Rope winch

Abstract

The present invention relates to a hoisting winch, in particular to a hoisting gear winch, having a hoisting drum whose winding region is bounded by two lateral flanged wheels, wherein at least one further flanged wheel is provided between the lateral flanged wheels for dividing the winding region into at least two part winding regions, wherein the cable can be guided beyond the named further flanged wheel into the at least two part winding regions. It is suggested in accordance with the invention to move the hoisting drum and/or a transverse cable guide arranged in front of the hoisting drum transversely to the longitudinal direction of the running in/running off cable approximately in the longitudinal direction of the drum and/or to adjust the angular position of the hoisting drum transversely to the longitudinal direction of the drum with respect to at least one transverse axis.

Claims

1. A hoisting gear winch, comprising: a hoisting drum having a winding region bounded by first and second lateral flanged wheels, with at least a third flanged wheel provided between the first and second lateral flanged wheels, thereby dividing the winding region into at least two part winding regions, a cable run-in control apparatus, and a detection device which detects a cable run-in deflection angle, wherein a cable is configured to be guided beyond the third flanged wheel into the at least two part winding regions, wherein the hoisting drum is axially adjustable in the longitudinal direction of the drum, and the cable run-in control apparatus is configured to set at least two axial positions of the hoisting drum for the winding/unwinding of the at least two different part winding regions, respectively, wherein the cable run-in control apparatus axially adjusts the hoisting drum continuously or stepwise depending on the cable run-in deflection angle, wherein the third flanged wheel includes a cable guide channel having a run-in which is an end of the cable guide channel opening to a first winding region of the at least two part winding regions and a run-out which is an end of the cable guide channel opening to a second winding region of the at least two part winding regions, wherein the run-in of the cable guide channel is provided at a height corresponding to a topmost winding layer of a first winding region of the at least two part winding regions and the run-out of the cable guide channel is provided at a height corresponding to a lowermost winding layer of a second winding region of the at least two part winding regions, and wherein the height of the run-in is higher than a circumferential wall portion of the first winding region by more than twice the diameter of the cable.

2. The hoisting gear winch in accordance with claim 1, wherein the hoisting drum is supported at oppositely disposed end sections by respective bearing slides, wherein the bearing slides are displaceably supported substantially parallel to the longitudinal direction of the hoisting drum, and wherein an actuating drive is associated with one of the bearing slides for adjusting the hoisting drum in the longitudinal direction thereof.

3. The hoisting gear winch in accordance with claim 2, wherein the bearing slides are displaceable independently of one another and are only held relative to one another in the axial direction by the hoisting drum.

4. The hoisting gear winch in accordance with claim 1, wherein the hoisting drum is configured to be tiltable, pivotable, or both tiltable and pivotable, about at least one transverse axis which is transverse to the longitudinal direction of the drum, and wherein the cable run-in control apparatus is configured to set at least two tilt/pivot positions of the hoisting drum for the winding/unwinding of the at least two different part winding regions, respectively, and wherein the cable run-in control apparatus adjusts the tilt/pivot positions of the hoisting drum depending on the cable run-in deflection angle.

5. The hoisting gear winch in accordance with claim 4, wherein the hoisting drum is tiltable and pivotable about two different transverse axes which are each transverse to the longitudinal direction of the hoisting drum and which are transverse with respect to each other.

6. The hoisting gear winch in accordance with claim 5, wherein the cable run-in control apparatus controls at least one of the tilt angle and pivot angle of the hoisting drum based on the run-in direction/run-off direction of the cable running into/off the hoisting drum.

7. The hoisting gear winch in accordance with claim 1, wherein the hoisting drum is supported by respective bearing plates at oppositely disposed end sections, and wherein the bearing plates are tiltably adjustable by a tilt drive, are pivotably adjustable by a pivot drive, or are both tiltably adjustable by the tilt drive and pivotably adjustable by the pivot drive.

8. The hoisting gear winch in accordance with claim 1, wherein a first end section of the hoisting drum is rotatably and tiltably supported at a bearing plane, wherein a second end section, disposed on an opposite side of the hoisting drum relative to the first end section, is coupled to at least one of a tilt drive, pivot drive or eccentric tappet, and wherein the second end section is adjustable relative to the first end section of the hoisting drum transversely to the longitudinal direction of the drum by actuating the at least one of the tilt drive, pivot drive or eccentric tappet.

9. The hoisting gear winch in accordance with claim 1, wherein a cable run-in guide is provided for guiding run-in/run-off of the cable, wherein the cable run-in guide is adjustable axially in the longitudinal direction of the hoisting drum relative to the hoisting drum, and wherein the cable run-in control apparatus is configured to set at least two axial positions of the cable run-in guide for the winding/unwinding of the at least two different part winding regions, respectively.

10. The hoisting gear winch in accordance with claim 9, wherein the cable run-in guide comprises an axially adjustable cable deflection roller and an actuating drive associated with the axially adjustable cable deflection roller.

11. The hoisting gear winch in accordance with claim 9, wherein the cable run-in guide comprises axially adjustable cable guide means arranged between the hoisting drum and the cable deflection roller, wherein the cable deflection roller is supported in at least one of an oscillating manner and a pivotable manner, and wherein the cable deflection roller aligns itself with respect to the transverse cable guide means in accordance with the axial position of the transverse cable guide means.

12. The hoisting gear winch in accordance with claim 9, wherein the cable run-in control apparatus is configured to hold at least one of the hoisting drum and the cable run-in guide at a first part winding region in a first axial adjustment region or at a second part winding region in a second axial adjustment region, and wherein the first and second axial adjustment regions do not overlap.

13. The hoisting gear winch in accordance with claim 9, wherein the cable run-in control apparatus is configured to hold at least one of the hoisting drum and the cable run-in guide at an axial position of the third flanged wheel, such that the cable runs substantially deflection-free onto the third flanged wheel.

14. The hoisting gear winch in accordance with claim 9, wherein the cable run-in control apparatus axially adjusts at least one of the hoisting drum and the cable run-in guide continuously or stepwise depending on at least one of revolution of the hoisting drum, a rotational position of the hoisting drum, a rotational speed of the hoisting drum, and a winch pitch.

15. The hoisting gear winch in accordance with claim 9, wherein the cable run-in control apparatus axially adjusts the cable run-in guide continuously or stepwise depending on the cable run-in deflection angle.

16. The hoisting gear winch in accordance with claim 9, wherein the cable run-in control apparatus provides only one axial position of at least one of the hoisting drum and the cable run-in guide for each part winding region.

17. The hoisting gear winch in accordance with claim 1, wherein the rotational speed of the hoisting drum is reduced by a control apparatus when the cable moves beyond the third flanged wheel.

18. The hoisting gear winch in accordance with claim 1, further comprising a second hoisting drum, the second hoisting drum being axially displaceably supported together with the first hoisting drum.

19. The hoisting gear winch in accordance with claim 1, wherein a second hoisting drum and the first hoisting drum are axially adjustable relative to one another, and wherein an axial position of the second hoisting drum always overlaps with an axial position of the first hoisting drum.

20. A hoisting gear winch, comprising: a hoisting drum having a winding region bounded by first and second lateral flanged wheels, with at least a third flanged wheel provided between the first and second lateral flanged wheels, thereby dividing the winding region into at least two part winding regions, a cable run-in control apparatus, and a detection device which detects a cable run-in deflection angle, wherein a cable is configured to be guided beyond the third flanged wheel into the at least two part winding regions, wherein the hoisting drum is axially adjustable in the longitudinal direction of the drum, and the cable run-in control apparatus is configured to set at least two axial positions of the hoisting drum for the winding/unwinding of the at least two different part winding regions, respectively, wherein the cable run-in control apparatus axially adjusts the hoisting drum continuously or stepwise depending on the cable run-in deflection angle, wherein the cable run-in control apparatus is configured to control the axial displacement of the hoisting drum such that, in each of the at least two different part winding regions, the cable is separately wound into a plurality of cable layers, wherein the cable run-in control apparatus is configured to control the axial displacement of the hoisting drum such that, in each of the at least two different part winding regions, the hoisting drum is positioned at a plurality of axial positions, wherein the third flanged wheel includes a cable guide channel having a run-in which is an end of the cable guide channel opening to a first winding region of the at least two part winding regions and a run-out which is an end of the cable guide channel opening to a second winding region of the at least two part winding regions, and wherein the run-in of the cable guide channel is provided at a height corresponding to a topmost winding layer of a first winding region of the at least two part winding regions and the run-out of the cable guide channel is provided at a height corresponding to a lowermost winding layer of a second winding region of the at least two part winding regions.

21. A hoisting gear winch, comprising: a hoisting drum having a winding region bounded by first and second lateral flanged wheels, with at least a third flanged wheel provided between the first and second lateral flanged wheels, thereby dividing the winding region into at least two part winding regions, a cable run-in control apparatus, and a detection device which detects a cable run-in deflection angle, wherein a cable is configured to be guided beyond the third flanged wheel into the at least two part winding regions, wherein the hoisting drum is axially adjustable in the longitudinal direction of the drum, and the cable run-in control apparatus is configured to set at least two axial positions of the hoisting drum for the winding/unwinding of the at least two different part winding regions, respectively, wherein the cable run-in control apparatus axially adjusts the hoisting drum continuously or stepwise depending on the cable run-in deflection angle, wherein the cable run-in control apparatus is configured to control the axial displacement of the hoisting drum such that, in each of the at least two different part winding regions, the cable is separately wound into a plurality of cable layers, wherein the cable run-in control apparatus is configured to control the axial displacement of the hoisting drum such that, in each of the at least two different part winding regions, the hoisting drum is positioned at a plurality of axial positions, wherein the third flanged wheel includes a cable guide channel having a run-in which is an end of the cable guide channel opening to a first winding region of the at least two part winding regions and a run-out which is an end of the cable guide channel opening to a second winding region of the at least two part winding regions, wherein the run-in of the cable guide channel is provided at a height corresponding to a topmost winding layer of the first winding region of the at least two part winding regions and the run-out of the cable guide channel is provided at a height corresponding to a lowermost winding layer of the second winding region of the at least two part winding regions, and wherein the cable run-in control apparatus is configured to control the axial displacement of the hoisting drum such that a plurality of layers are wound in the first winding region of the at least two part winding regions before the cable is guided into the cable guide channel of the third flanged wheel and thereafter, the cable is wound in a plurality of layers in the second winding region of the at least two part winding regions.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The present invention will be explained in more detail in the following with respect to preferred embodiments and to associated drawings. There are shown in the drawings:

(2) FIG. 1 a plan view of a hoisting winch of a hoisting gear in accordance with an advantageous embodiment of the invention, with the hoisting drum being divided into two part winding regions and with the winding of both part regions being shown schematically, with the hoisting drum being configured as axially displaceable via a slide;

(3) FIG. 2: a plan view of the hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting drum is divided into three part winding regions, with the winding of a middle part winding region being shown and the hoisting drum being configured as longitudinally displaceable via a slide;

(4) FIG. 3: a plan view of the hoisting winch of a hoisting gear similar to FIG. 1 in accordance with a further advantageous embodiment of the invention, in accordance with which the one cable deflection roller is configured as axially displaceable, with the cable deflection roller being shown in different positions for the winding of different part winding regions;

(5) FIG. 4 a plan view of the hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the cable run-in guide comprises axially adjustable transverse cable guide means arranged between the hoisting drum and the cable deflection roller, with the named transverse cable guide means being shown in different positions for the winding of different part winding regions of the hoisting drum;

(6) FIG. 5: a plan view of the hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting winch comprises two hoisting drums which can be used as a main winch and as an auxiliary winch and which are adjustable together axially in the longitudinal direction of the drum;

(7) FIG. 6: a plan view of the hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting winch comprises two hoisting drums which can be used as a main winch and as an auxiliary winch and which are adjustable together and relative to one another axially in the longitudinal direction of the drum;

(8) FIG. 7: a plan view of a hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting drum is divided into a plurality of part winding regions and can be tilted about a tilt axis transversely to the longitudinal direction of the drum, with the two views FIG. 7a and FIG. 7b showing different tilt positions of the hoisting drum;

(9) FIG. 8: a representation of a hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting drum is divided into a plurality of part winding regions and is pivotable about a pivot axis perpendicular to the longitudinal direction of the drum, with the part view FIG. 8a showing a plan view of the hoisting drum and the part view FIG. 8b showing a side view of the hoisting drum;

(10) FIG. 9: a plan view of a hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting winch is divided into two or more part winding regions and its angular alignment is biaxially adjustable, and indeed tiltable about a tilt axis and pivotable about a pivot axis, with the tilt axis and the pivot axis extending in directions orientated perpendicular to one another;

(11) FIG. 10: a representation of a hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting drum is divided into a plurality of part winding regions and its angular division is biaxially adjustable—similar to the embodiment of FIG. 9—namely tiltable about a tilt axis and pivotable about a pivot axis, with—unlike in the embodiment of FIG. 9—the hoisting drum being tiltable and pivotable with respect to a fixed bearing plate and being connected to two adjustment actuators which can be actuated in two angular directions perpendicular to one another, with the part view FIG. 10a showing a plan view of the hoisting winch and the part view FIG. 10b showing a side view of the hoisting winch; and

(12) FIG. 11: a representation of a hoisting winch of a hoisting gear in accordance with a further advantageous embodiment of the invention, in accordance with which the hoisting drum is divided into several part winding regions and the angular position of the hoisting drum is biaxially adjustable, with one of the drum ends being supported in an oscillating manner for the angular adjustment of the hoisting drum and with the other one of the drum ends being adjustable by an eccentric tappet transversely to the longitudinal direction of the drum.

DETAILED DESCRIPTION OF THE INVENTION

(13) The hoisting winch 1 shown in the Figures comprises a substantially cylindrical hoisting drum 2 at whose end faces two flanged wheels 4 and 5 are provided which extend radially to the axis of rotation 3 of the hoisting drum and between which the winding region 6 of the hoisting drum 2 is defined. In a manner known per se, bearing and/or drive stubs 7 in the form of axially projecting shaft stumps can be provided at the hoisting drum 2 and the hoisting winch 1 can be installed with them in the hoisting gear of a crane or the like and can be longitudinally supported as will be explained below.

(14) The jacket surface of the hoisting drum 2 is, as FIG. 1 shows, provided with cable grooves 8 which extend spirally in the manner of a thread on the outer side of the hoisting drum 2 to guide the cable to be wound up, more precisely the first cable layer, on the hoisting drum 2.

(15) As FIG. 1 shows, the winding region 6 of the hoisting drum 2 is divided into two part winding regions 10 and 11 by a further flanged wheel 9 which is seated between the two end-face flanged wheels 4 and 5 on the hoisting drum 2 and likewise extends radially. In the drawn embodiment, the additional flanged wheel 9 is drawn between the two end-face flanged wheels 4 and 5; however, depending on the relationships in the typical cable winding, it can also be displaced toward the one or the other flanged wheel 4 or 5. It is furthermore stated that the winding region 6 of the hoisting drum 2 can be divided into more than two part winding regions by a plurality of additional flanged wheels 9. In the typical applications of a crane hoisting gear, the problem of the hoisting cable being clamped between the winding layers can, however, already be effectively suppressed by an additional flanged wheel so that an additional flanged wheel 9 is already sufficient.

(16) As FIGS. 1 and 2 show, a cable guide channel 13 is provided at and over the flanged wheel 9 as a cable guide apparatus 12 and is substantially worked into the jacket surface of the flanged wheel 9 in the form of depressions or grooves. The named cable guide channel 13 in this respect has ends or openings running out toward both part winding regions 10 and 11, i.e. toward both sides of the flanged wheel 9, so that it leads from the first part winding region 10 to the second part winding region 11.

(17) The cable guide channel 13 is in this respect formed spirally overall. Its run-in 14 facing the first part winding region 10 is in this respect approximately at the height of the topmost winding layer, i.e. the cable 16 only runs into the run-in 14 when winding onto the flanged wheel 9 when the first part winding region 10 is completely wound and the cable runs onto the flanged wheel 9 in the topmost winding position. On a division of the winding region 6 into only two part winding regions, the first wound part winding region 10 is that in which the abutment point of the cable 16 is provided at the hoisting drum 2.

(18) If the cable 16 runs into the run-in 14 after a complete winding of the first part winding region 10, it is automatically guided onto the other side of the flanged wheel 9 by the cable guide channel 13 on a further winding up. The run-out 15 of the cable guide channel 13 there opens in this respect into the second part winding region 11 approximately at the height of the jacket surface of the hoisting drum 2, i.e. the cable 16 gently runs onto the hoisting drum 2 directly at the height of the very first winding layer directly on the hoisting drum 2. The pitch of the cable guide channel 13 in the radial direction thus gently overcomes the height difference between the topmost winding position of the first part wincing region 10 and the bottommost, i.e. first, winding layer in the part winding region 11.

(19) On the further winding up onto the hoisting drum 2, the second part winding region 11 is then wound until it is full and the cable is completely wound up. When unwinding the cable 16, the second part winding region 11 conversely first empties until, on the further unwinding, the cable 16 is unwound out of the cable guide channel 13 and in this respect the running-out end is guided beyond the flanged wheel 9 into the first part winding region 10 so that said first part winding region can be unwound.

(20) As FIG. 1 shows, the hoisting drum 2 can be moved in the axial direction, i.e. approximately parallel to the axis of rotation 3 of the drum or to the longitudinal direction of the drum. The lateral bearing plates at which the drive stubs 7 of the hoisting drum 2 are supported form bearing slides 17 and 18 which are longitudinally displaceably supported at a slide guide 19, for example in the form of a T rail section. As FIG. 1 shows, the two bearing slides 17 and 18 can advantageously be longitudinally displaceably displaced independently of one another, with them only being held by the hoisting drum 2 relative to one another in the axial direction. Strains in the named bearing plates or bearing slides 17 and 18 can hereby be avoided.

(21) To be able to control the longitudinal displacement of the hoisting drum 2, an adjustment drive 20 can be connected to one of the bearing slides 17; it can be configured, for example, as a pressure medium cylinder 27 in accordance with the drawn embodiment and displaces one of the bearing slides 17 in the axial direction S. The hoisting drum support is accordingly configured in the manner of a movable-fixed bearing, with the fixed bearing being axially adjustable by the named actuating drive.

(22) The displacement of the hoisting drum 2 in the axial direction can generally be controlled differently, with the control at least having the property in an advantageous further development of the invention that the deflection angle α of the cable 18 running off or onto the hoisting drum 2 does not exceed a predefined limit, with advantageously ≦1.5° being maintained. Depending on the geometrical relationships of the hoisting winch 1, in particular on the spacing of the cable deflection roller 21 from the hoisting drum 2 and on the number of cable grooves 8 of a part winding region 10 or 11, it can be sufficient to set a fixed axial setting of the hoisting rum 2 relative to the cable deflection roller 21 for each part winding region 10 and 11. In an advantageous further development of the invention, however, provision can also be made that a respective plurality of axial positions can be moved to for the winding and unwinding of each part winding region 10 and 11 to keep the deflection angle α of the cable 16 sufficiently small. The axial positions of the hoisting drum 2 relative to the cable deflection roller 21 are in this respect advantageously varied with a respective adjustment range for each part winding region 10 and 11, with the adjustment regions being able to be configured differently, in particular free of overlap with respect to one another.

(23) In accordance with an advantageous further development of the invention, the hoisting drum 2 can also be adjusted continuously or quasi continuously in the sense of incremental steps in dependence on the rotational position of the hoisting drum 2 and on the pitch of the cable grooves 2 to keep the named deflection angle α as small as possible. Alternatively or additionally, the said deflection angle α can itself also be taken into account for the setting of the axial position of the hoisting drum 2. This can be monitored or determined for this purpose by a suitable detection device 82, for example in the form of a limit switch or a different sensor system. The actuating drive 20 can be controlled in dependence on the detected deflection angle α to keep the named deflection angle α within a predetermined range or at a desired value.

(24) If the flanged wheel 9 bounding the part winding region 10 is moved over by the cable 16 after the winding of this part winding region 10, the speed of rotation of the hoisting drum 2 can advantageously be reduced for this purpose to minimize the wear at the cheeks of the cable guide channel 13. Alternatively or additionally, the hoisting drum 2 can be moved into an axial position in which the named deflection angle α becomes minimal or moves toward zero so that the cable runs into the cable guide channel 13 in the flanged wheel 9 in an exactly straight manner, as FIG. 1 illustrates.

(25) As FIG. 2 illustrates, the hoisting drum 2 can also be divided into more than two part winding regions, with two additional flanged wheels, 9 and 23, for example, being able to be arranged between the lateral flanged wheels 4 and 5 at the end sides in accordance with the embodiment in accordance with FIG. 2 to divide the winding region 6 into three part winding regions 10, 11 and 22. In principle, any number of part winding regions can be provided to be able to store, at least in theory, an infinitely long cable and nevertheless to observe the desired winding parameters, in particular limited number of windings, limited number of lengths and limited deflection angles. In accordance with an advantageous further development of the invention, the hoisting drum 2 is divided into a plurality of part winding regions such that fewer than 40 windings are wound next to one another and fewer than eight layers over one another in one part winding region, with the axial adjustment of the hoisting drum 2 and/or of the cable run-in guide 24 being guided such that the maximum deflection angle α does not exceed 1.5°.

(26) As FIG. 3 shows, additionally or alternatively to the axial adjustment of the hoisting drum 2, the cable run-in guide 24 can also be adjusted axially approximately parallel to the axis of rotation 3 of the drum. The cable run-in guide 24 can in this respect comprise a cable deflection roller 21 which can be moved axially displaceably in the longitudinal direction S in the named manner, wherein an actuating drive 20, for example in the form of a pressure medium cylinder 27, can provide a displacement of the cable deflection roller. A control of the axial adjustment and the winding of the hoisting drum 2 can in another respect take place analog to the previously described embodiment so that reference can be made hereto.

(27) As FIG. 4 shows, the transverse displaceability of the cable run-in guide 24 can also be effected by transverse cable guide means 25 which are arranged between the cable deflection roller 21 and the hoisting drum 2 and can transversely guide the cable 16. The named transverse cable guide means 25 can, for example, comprise two deflection rollers between which the cable 16 runs off. As FIG. 4 shows, the transverse cable guide means 25 can be displaced axially approximately parallel to the axis of rotation 3 of the drum, with an actuating drive 20 being connected to the named transverse cable guide means 25 and being able to be formed by a pressure means cylinder, for example.

(28) So that the cable deflection roller 21 can be aligned independently and can adapt to the respective axial position of the transverse cable guide means 25, the named cable deflection roller 21 can advantageously be pivotably supported, for example in a gimbaled manner, so that the alignment of the pivot axis can vary, cf. FIG. 4, depending on which axial position the transverse cable means 25 adopt.

(29) As FIG. 5 shows, the hoisting winch arrangement can also comprise two hoisting drums 2 and 26 of which a first hoisting drum 2 can be divided in the previously described manner into a plurality of part winding regions 10 and 11. The second hoisting drum 26 can likewise be divided in a corresponding manner into a plurality of part winding regions, but can as FIG. 5 shows, also comprise only one winding region 6 in an advantageous further development of the invention. The one of the two hoisting drums 2 and 26 can be used as a main winch and the other as an auxiliary winch. In an advantageous further development of the invention, the hoisting drum 2 can in this respect be placed onto the hoisting drum 26 and/or a common, displaceable bearing can be provided for the two hoisting drums 2 and 26 so that the two hoisting drums 2 and 26 can be displaced together in the axial direction, i.e. substantially parallel to the axis of rotation 3 of the hoisting drum. Corresponding to the previously described embodiments, an actuating drive 20 can also be provided here which can, for example, be connected to one of the bearing slides 17 of the winch arrangement.

(30) As FIG. 6 shows, the two hoisting drums 2 and 26 can in this respect also have different drum lengths or widths. For example, the hoisting drum 26 only having one winding region can be wider than the hoisting drum 2 divided into different part winding regions.

(31) To be able to use both hoisting drums 2 and 26 simultaneously, provision can be made in an advantageous further development of the invention that in addition to the axial displaceability of the hoisting drums 2 and 26 by the slide bearing and the actuating drive 20, an axial displaceability of the cable run-in guide 24 is also additionally provided which can be formed in accordance with the embodiment in accordance with FIGS. 3 and 4 and can have an axially displaceable cable deflection roller 21 and/or additional transverse cable guide means 25 which are axially adjustable. A cable run-in having the desired small deflection angles α can be realized for both hoisting drums by such a so-to-say double axial displaceability by a displacement in opposite directions and the transition from one part winding region into the other part winding region can take place in a controlled manner.

(32) Furthermore, in a further development of the invention, an axial displacement of the cable drums 2 and 26 can also be provided relative to one another.

(33) As FIG. 7 shows, the aforesaid deflection angle α of the cable 16 running off the hoisting drum 2 or running in to it can also be kept small despite a plurality of part winding regions in that the hoisting drum 2 can be tilted about a tilt axis. The named tilt axis 30 in this respect extends transversely to the longitudinal direction S of the drum and advantageously at least approximately perpendicular to the run-in direction of the cable 16 so that a drift of the cable with respect to the hoisting drum can be eliminated or minimized by tilting the hoisting drum. As FIG. 7 shows, the named tilt axis 30 can in this respect extend approximately parallel to the fastening plane of the hoisting winch 1. The adjustability of the angles from the direction of the hoisting drum 2 can in this respect be achieved by a corresponding support of the lateral bearing plates 17 and 18. As FIG. 7 shows, a bearing plate 17 can be supported tiltably about the said tilt axis 30, while the oppositely disposed bearing plate 18 is adjustable by an actuating drive 32, for example in the form of a servo control cylinder, such that the hoisting winch 1 can tilt about the tilt winch 1, as a comparison of FIGS. 7a and 7b shows.

(34) As FIG. 8 shows, the hoisting drum 2 can also be configured as pivotable about a pivot axis 31, with here the named pivot axis 31 being orientated substantially perpendicular to the longitudinal axis of the drum and being able to extend in the region of the center of the hoisting drum such that on the pivoting of the hoisting drum 2 its ends carry out movements in an equal measure. The named pivot axis 31 in this respect advantageously likewise extends at least approximately perpendicular to the run-in direction of the cable 16, cf. FIG. 8b.

(35) The pivotability of the hoisting drum 2 can, as FIG. 8 shows, be achieved by a corresponding pivotable suspension of the lateral bearing plates 17 and 18. The named bearing plates 17 and 18 can be fastened to a base carrier 34 which is pivotably supported about the named pivot axis. The base carrier 34 and thus the hoisting drum 2 can be pivoted in the desired manner by a corresponding pivot drive 33.

(36) As FIG. 9 shows, the tiltability of the embodiment in accordance with FIG. 7 and the pivotability of the embodiment in accordance with FIG. 8 can also be combined with one another, in particular such that the tilt axis 30 and the pivot axis 33 are orientated in directions extending transversely to one another. Such a biaxial angular adjustability of the hoisting drum 2 is in particular of advantage when the cable run-in into the hoisting winch 1 is variable, i.e. the running in/running off cable 16 is pivoted about the longitudinal axis of the drum or about an axis parallel thereto so that the cable run-in point/cable run-off point migrates in the peripheral direction. This is, for example, frequently the case with cranes which have a luffable boom at which the run-in roller is fastened so that the cable run-in direction pivots in the named manner on the luffing up and down of the crane boom.

(37) As FIG. 9 shows, the bearing plates 17 and 18 of the hoisting drum 2 are, in a similar manner to the embodiment in accordance with FIG. 7, tiltably supported about a tilt axis 30 or are connected to a corresponding tilt drive 32, with the tiltability being provided with respect to a base carrier 34 which is in turn, in a manner similar to the embodiment in accordance with FIG. 8, pivotably supported about the pivot axis 31 and can be actuated by a pivot drive 33.

(38) Alternatively to such a pivotability of the bearing plates, the angular adjustability of the hoisting drum 2 can also be achieved by a movability of the hoisting drum 2 relative to the bearing plates as FIGS. 10 and 11 show. In accordance with FIG. 10, a rigidly fastened bearing plate 17 can be provided at which the ends of the hoisting drum 2 are supported in a rotatable and oscillating or tiltable manner. This is possible, for example, by a pivot drive pendulum bearing 35 having a spherically arched bearing shell. The hoisting drum is multiaxially tiltable with respect to the named bearing plate 17. To control this multiaxial tiltability, two actuating drives are provided at the oppositely disposed end of the hoisting drum 2 which have effective directions which are essentially perpendicular to one another and which allow the hoisting drum 2 to be displaced at this end in each case perpendicular to the longitudinal direction S of the drum. The one actuating drive in this respect forms a tilt drive 32, while the other actuating drive forms a pivot drive 33 so that the hoisting drum is both tiltable and pivotable about tilt and pivot axes 30 and 31 in the aforesaid manner.

(39) As FIG. 11 shows, an adjustment of the angular alignment of the hoisting drum 2 can also be achieved by an eccentric bearing. In this respect, in a similar manner to the embodiment of FIG. 10, an end of the hoisting drum 2 can be supported in a routable and oscillating or tiltable manner at a bearing plate 17 rigid per se. The oppositely disposed end of the hoisting drum 2 is rotatably supported in an eccentric tappet 36 which is adjustable with respect to a likewise rigidly supported bearing plate 18. The named eccentric tappet 36 can in this respect form a rotatable eccentric disk which is rotatably supported in the named bearing plate 18 about an axis parallel to the longitudinal direction of the drum. The named end of the hoisting drum 2 can be adjusted by rotating the eccentric tappet 36 such that a tilting or pivoting of the hoisting drum 2 is achieved about an axis transverse to the longitudinal direction of the drum. A corresponding actuating drive 37 can be provided to adjust the said eccentric tappet, with an electric motor as an actuating drive, for example, being able to drive the named eccentric tappet via a gear stage.

(40) The tilting and/or pivoting of the hoisting drum 2 can generally be controlled differently, with the control at least having the property in an advantageous further development of the invention that the deflection angle α of the cable 16 running off or running into the hoisting drum 2 does not exceed a predefined limit and is advantageously held ≦1.5°. Depending on the geometrical relationships of the hoisting winch 1, in particular on the spacing of the cable deflection roller 21 from the hoisting drum 2 and on the number of cable grooves 8 of a part winding region 10 or 11, it can be sufficient to set a fixed angular position of the hoisting drum 2 with respect to the tilt axis 30 and/or with respect to the pivot axis 31 for each part winding region 10 and 11. In an advantageous embodiment of the invention, however, provision can also be made that respective different angular positions are traveled to for the winding or unwinding of each part winding region 10 and 11 to keep the deflection angle α of the cable sufficiently small. The tilt or pivot positions of the cable drum 2 are in this respect advantageously varied within a respective adjustment range for each part winding region 10, with the adjustment ranges being configured differently for the different part winding regions and can in particular be overlap-free with respect to one another.

(41) In accordance with an advantageous further development of the invention, the hoisting drum 2 can also be tilted or pivoted continuously or quasi continuously in the sense of incremental steps in dependence on the rotational position of the hoisting drum 2 and on the pitch of the cable grooves 2 to keep the named deflection angle α as small as possible. Alternatively or additionally, the said deflection angle α can itself also be taken into account for the setting of the angular position of the hoisting drum 2. This can be monitored or determined for this purpose by a suitable detection device 28, for example in the form of a limit switch or a different sensor system. The tilt drive 32 and/or the pivot drive 33 can be controlled in dependence on the detected deflection angle α to keep the named deflection angle α within a predetermined range or at a desired value.

(42) If the flanged wheel 9 bounding the part winding region 10 is moved over by the cable 16 after the winding of this part winding region 10, the speed of rotation of the hoisting drum 2 can advantageously be reduced for this purpose to minimize the wear at the cheeks of the cable guide channel 13. Alternatively or additionally, the hoisting drum 2 can be tilted or pivoted such that the named deflection angle α becomes minimal or moves toward zero so that the cable 16 runs into the cable guide channel 13 in the flanged wheel 9 in an exactly straight manner, as FIG. 1 illustrates. The hoisting drum 2 can advantageously also be tilted or pivoted such that the cable runs away from the flanged wheels or end disks.

(43) The named tilt or pivot of the hoisting drum can optionally be combined with the axial displacement of the hoisting drum and/or of the cable deflection roller.