Setting tool, set for a setting tool system and setting tool system

Abstract

A setting tool for a setting tool system for setting capsule anchors is specified, having a shank and a head, arranged at one end of the shank, with a recess for receiving a drive head of a capsule anchor, wherein the shape of the recess is formed substantially by two superimposed hexagons that are arranged in an offset manner to one another. Further, a set for a setting tool system for setting capsule anchors is specified, having an adapter which is able to be coupled to a drive machine, and at least one setting tool. Moreover, a setting tool system is specified, including a setting tool for a setting tool system for setting capsule anchors or a set for a setting tool system for setting capsule anchors, and a capsule anchor and/or a drive machine.

Claims

1. A setting tool for a setting tool system for setting capsule anchors, comprising: a shaft, wherein the shaft has a threaded section; and a head comprising: a bottom and, a circumferential side wall, wherein the bottom comprises a first face and a second face, wherein the second face is opposite and parallel to the first face, wherein the shaft abuts the first face, and wherein a recess is defined by the second face and an inside of the circumferential side wall, wherein the recess is for holding a drive head of a capsule anchor, wherein a shape of a top portion of the recess is formed by two hexagons that are superimposed on one another and arranged offset relative to one another, and wherein a shape of a bottom portion of the recess is defined by the second face and a circumferential chamfer that is arranged on the inside of the circumferential wall.

2. The setting tool according to claim 1, wherein center points of the two superimposed hexagons lie one on top of the other.

3. The setting tool according to claim 1, wherein the hexagons are arranged rotated relative to one another by an angle between 5° and 15°.

4. The setting tool according to claim 1, wherein each of the hexagons are configured to be equilateral.

5. The setting tool according to claim 1, wherein each of the hexagons form a recess configured as a hexagonal socket.

6. The setting tool according to claim 1, wherein the circumferential chamfer has an angle between 40° and 59° relative to the bottom of the recess.

7. A set for a setting tool system for setting capsule anchors, comprising: an adapter that can be coupled with a drive machine, and at least one setting tool according to claim 1.

8. The set according to claim 7, wherein the set has multiple selling tools.

9. The set according to claim 8, wherein the recesses of the multiple selling tools are configured to be different in size.

10. The set according to claim 7, wherein the adapter has an SDS insertion end.

11. The set according to claim 10, wherein the adapter has a holding section at an end opposite the insertion end for holding the setting tool.

12. A setting tool system, comprising: (a). the setting tool according to claim 1, or (b). a set comprising an adaptor that can be coupled with a drive machine, and at least one setting tool according to claim 1, and a capsule anchor, and/or a drive machine.

13. The setting tool according to claim 1, wherein the threaded section is disposed between a thread-free section and the head.

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) Further characteristics and advantages of the invention are evident from the following description and from the following drawings, to which reference is made. In the drawings, the figures show:

(2) FIG. 1 a setting tool according to the invention,

(3) FIG. 2 the head of a setting tool from FIG. 1 in a top view,

(4) FIG. 3 the head of the setting tool from FIG. 1 in a view that illustrates the shape of the recess,

(5) FIG. 4 a head of the setting tool from FIG. 1 in a side view,

(6) FIG. 5 a set according to the invention having multiple setting tools according to FIG. 1, and

(7) FIG. 6 a setting tool system according to the invention.

DETAILED DESCRIPTION OF THE INVENTION

(8) FIG. 1 shows a setting tool 10 for setting capsule anchors. The setting tool 10 has a shaft 12 and a head 14 arranged at one end of the shaft 12.

(9) A connection section 16 is arranged on the head 14, wherein the connection section 16 comprises a recess 18. The connection section 16 is particularly formed by the recess 18. The recess 18 is a depression having a hexagonal profile; in particular, the recess 18 has a hexagonal socket geometry.

(10) In general, the connection section 16 or the recess 18 is arranged in the end face of the head 14, which faces away from the shaft 12.

(11) An end of the capsule anchor can be inserted into the recess 18, in particular with shape fit, which end is also referred to as a drive head. As a result, a drive torque can be transferred from the setting tool 10 to the capsule anchor. For this purpose, the capsule anchor has a corresponding external hex geometry on an anchor rod, which is coupled with a capsule, as will still be explained below.

(12) The shaft 12 has a threaded section 20 having a thread 22 and a thread-free section 24. In this regard, the thread-free section 24 can serve to directly connect the setting tool 10 with a drive machine, not shown here. For this purpose, the thread-free section 24 has a hexagonal profile, in particular a hexagon profile, by means of which the setting tool 10 can be coupled with a three-jaw chuck of the drive machine, for example. Alternatively, the thread-free section 24 can also have a quadrangular profile, in particular a square profile.

(13) By means of the threaded section 20, the setting tool 10 can be connected with an adapter shown in FIG. 5, in particular screwed into it. The adapter is used, above all, if the geometry of the thread-free section 24 does not agree with the geometry of the holder of the drive machine. Furthermore, further functions can be made available by way of the adapter, as will still be explained below.

(14) The setting 10 accordingly has essentially three regions, namely the connection section 16 at a first end, the threaded section 20 that follows it, as well as the thread-free section 24 at the other end, by way of which the setting tool 10 can be directly connected with a drive machine. These three sections 16, 20, 24 make a transition into one another.

(15) FIG. 2 shows the head 14 of the setting tool 10 from FIG. 1 in a top view.

(16) In the top view, the shape of the recess 18 of the connection section 16 can be seen. The shape of the recess 18 is essentially formed by two partial recesses 26, 28, which each have a base surface in the shape of a hexagon, which hexagons are superimposed and offset from one another.

(17) For a better understanding, the two hexagonal partial recesses 26, 28, which together define the shape of the recess 18, are indicated differently in FIG. 3, wherein the first hexagonal partial recess 26 is shown with a solid line, and the second hexagonal partial recess 28 is shown with a broken line. In this regard, the recess 18 is formed by the two partial recesses 26, 28, having the hexagonal base surfaces, which are merged with one another.

(18) The partial recesses 26, 28 are arranged offset from one another in a common plane, which means that the bottoms 30 of the two partial recesses 26, 28 are arranged in a common plane, which runs perpendicular to a center axis of the setting tool 10.

(19) The center points 32, 34 of the partial recesses 26, 28, in other words of the respective hexagons, lie one on top of the other. Furthermore, the center points 32, 34 lie on the center axis of the setting tool 10. Therefore the center points 32, 34 are arranged centered in the head 14 of the setting tool 10.

(20) In the embodiment shown, the partial recesses 26, 28 are arranged rotated relative to one another by an angle α of 10°. In this regard, the hexagonal base surfaces of the partial recesses 26, 28 are rotated relative to one another by the angle α.

(21) In general, the angle α can amount to between 5° and 15°, in particular between 8° and 13°. In this regard, the center axis of the setting tool 10 forms the axis of rotation about which the two partial recesses 26, 28, in other words their hexagonal base surfaces, are rotated relative to one another. In FIGS. 2 and 3, the center axis of the setting tool 10 runs perpendicular to the plane of the drawing, specifically through the center points 32, 34 of the hexagons of the partial recesses 26, 28.

(22) In the embodiment shown, the partial recesses 26, 28 each have a hexagonal base surface, which is equilateral and regular. In particular, the partial recesses 26, 28 are configured as a hexagonal socket, in each instance.

(23) In the case of superimposition of the partial recesses 26, 28, which are rotated relative to one another, in particular of their base surfaces, peaks that point inward occur between the corner points of the base surfaces; these are flattened off, since otherwise they would promote wedging of a capsule anchor in the setting tool 10.

(24) In this regard, regions 35 are also removed; these regions are defined by the connection of directly adjacent corners of the two hexagonal base surfaces of the partial recesses 26, 28 as well as the sides of the two hexagons that run toward one another up to their intersection point, in each instance. This is illustrated dearly in FIG. 3, in which the corresponding regions 35 are shown cross-hatched in a magnified detail, to identify them. As has already been explained, these regions 35 or the corresponding peaks that project inward are flattened off, so that the regions 35 are also part of the recess 18.

(25) The circumference radii of the hexagonal base surfaces of the partial recesses 26, 28, on which all the corner points of the hexagons lie, can have different sizes. As a result, a shape-fit connection between a setting tool 10 and a drive head of a capsule anchor is produced, and this improves the quality of the shape fit. At the same time, the setting tool 10 can be easily released from the capsule anchor after a setting procedure, even if the drive head of the capsule anchor might have been plastically deformed during the setting process. Due to the different sizes of the partial recesses 26, 28, the contour of one partial recess 26, 28 can serve for holding the capsule anchor, whereas the other partial recess 26, 28 serves for easy release of the capsule anchor after it has been set.

(26) Alternatively, the two partial recesses 26, 28 can also be the same size, in terms of surface area, in other words their hexagonal base surfaces can have the same circumference radii. Accordingly, the contours of both partial recesses 26, 28 serve both for holding the capsule anchor and for easy release of the capsule anchor.

(27) FIG. 4 shows the head 14 of the setting tool from FIG. 1 in a side view.

(28) A circumferential chamfer 36 is arranged proceeding from the bottom 30 of the recess 18, as is already evident from FIGS. 2 and 3. The chamfer 36 has an angle of 45° from the bottom 30 of the recess 18; this results in a cone angle β of the recess 18 of 90°. In the case of such a cone angle β, the setting performance of the setting process is particularly high.

(29) In particular, the chamfer 36 or the cone angle β of the recess 18 serves to improve the setting behavior during percussion operation, as will still be explained below.

(30) FIG. 5 shows a set 40 for setting capsule anchors, consisting of an adapter 42 and four different setting tools 10. The recesses 18 of the respective setting tools 10 are configured in different sizes. As a result, each setting tool 10 can be coupled with a specific capsule anchor, which has a size that corresponds to the corresponding recess 18 of the setting tools 10. For example, the setting tools 10 that are shown can be coupled with capsule anchors having the thread sizes M8, M10, M12, and M16.

(31) The shaft 12, in particular the threaded section 20 and the thread-free section 24, can be configured identically in the case of each of the setting tools 10. As a result, all the setting tools 10 can be connected with the one adapter 42.

(32) In order to connect a setting tool 10 with the adapter 42, the setting tool 10 can be screwed onto the adapter 42 by means of the threaded section 20. For this purpose, the adapter 42 has a thread that corresponds to the threaded section 20 on its holding section 44. This thread is configured as an inside thread, which corresponds to the outside thread of the threaded section 20 of the respective setting tool 10. The thread of the adapter 42 cannot be seen in FIG. 2, since a setting tool 10 is already shown in connection with the adapter 42.

(33) In this regard, a shape-fit or force-fit threaded connection is produced between the setting tool 10 that is being used and the adapter 42.

(34) Since the setting tools 10 are coupled with the adapter 42 by way of the corresponding threaded section 20, in each instance, it is sufficient if the threaded sections 20 of the different setting tools 10 are configured to be the same, in each instance. With regard to the thread-free sections 24 of the setting tools 10, it merely has to be ensured that these can be held in the adapter 42.

(35) At one end of the adapter 42, on which the thread of the adapter 42 is also arranged, the adapter 42 has at least one key surface 46, which is configured as an outside flattened part on the adapter 42. This key surface 46 serves for being able to release the setting tool 10 in simple manner, for example using a corresponding tool.

(36) The adapter 42 furthermore has an insertion end 48, which is provided on the end that lies opposite the holding section 44. The adapter 42 can be coupled with a drive machine using the insertion end 48. Here, the insertion end 48 is configured as an SDS-Plus insertion end. Optionally, this can also be structured as an SDS-Max insertion end, in particular in order to be able to hold setting tools with which anchor rods having a size of M20 or greater can be set. In this regard, SDS describes an insertion system in which the insertion end 48 is provided with special grooves, which guarantee better transfer of force and, at the same time, percussion. In particular, the insertion end 48 has two longitudinal grooves 50, which extend in the longitudinal direction of the adapter 42 all the way to the end of the adapter 42, at which the insertion end 48 is formed. In FIG. 5, only one of the longitudinal grooves 50 can be seen, since the second longitudinal groove 50 is situated on the opposite side of the adapter 42. The adapter 42 can be inserted into a drive machine with shape fit by means of the longitudinal grooves 50, in accordance with the key/hole principle, and thereby a torque can be transferred from a drive machine to the adapter 42.

(37) In addition, the adapter 42 has two further grooves 52, provided on opposite surfaces, which grooves have a distance from the end face 54 of the adapter 42 at the insertion end 48. The grooves 52 serve to limit the axial movement of the adapter 42 in a drive machine, in particular during percussion, in that rollers or balls that are mounted in the drive machine engage into the grooves 52. Furthermore, the grooves 52 can contribute to the transfer of torque.

(38) FIG. 6 shows a setting tool system 56 having a set 40 according to FIG. 5 or at least one setting tool 10 according to FIG. 1, as well as a capsule anchor 58. The capsule anchor 58 has an anchor rod 60 as well as a capsule 68, in which the at least two components are accommodated. The anchor rod 60 has a drive head 62, which is configured as an external hex.

(39) Accordingly, the anchor rod 60 can be coupled, by way of the drive head 62, with a correspondingly configured setting tool 10, in other words a setting tool 10 having a recess 18 that matches the geometry of the drive head 62.

(40) In addition, the setting tool system 56 can have a drive machine 64, shown schematically, for example a drill/screwdriver or a hammer drill. The drive machine 64 has a holder 66 for the adapter 42. Alternatively or supplementally, the setting tools 10 can be directly inserted into the holder 66 by way of the respective thread-free section 24.

(41) In general, first a hole is introduced into a substratum into which the capsule anchor 58 is to be introduced, for example a borehole. Subsequently, this borehole can be cleaned.

(42) Then the capsule 68 is inserted into the hole to fasten the capsule anchor 58 in place; at least two components are contained in the capsule, which components react with one another if they are mixed with one another. This is implemented in that the capsule anchor 58, in particular its anchor rod 60, is introduced into the borehole that has been provided with the capsule 68, while being rotated, wherein the capsule 68 breaks or tears and releases the at least two components. Due to the rotation of the capsule anchor 58 or of the anchor rod 60, the two components are mixed and react chemically with one another. After the mixture has cured, the capsule anchor 58 is held in the borehole with force fit and shape fit.

(43) As a function of the borehole and/or of the capsule anchor 58, the corresponding setting tool 10 is used, so that a recess 18 that is suitable for the drive head 62 of the capsule anchor 58 is provided in the selected setting tool 10.

(44) Alternatively to separate configuration of the anchor rod 60 and of the capsule 68, the capsule 68 can also be arranged integrally on the anchor rod 60, so as to form an integral capsule anchor 58.

(45) As has already been explained, the chamfer 36 or the cone angle β of the recess 18 serves to improve the setting behavior during percussion operation. In this regard, the recess 18, in particular by way of its chamfer 36, and the drive head 60 make contact with one another, and thereby plastic deformation of the corresponding materials can occur.

(46) Due to the cone angle that has been set, β=90°, however, this is reduced to the greatest possible extent, and thereby it is also ensured that the capsule anchor 58 does not become wedged in the recess 18 of the setting tool 10. In this regard, the setting tool and the capsule anchor 58 can easily be released from one another, so that a further capsule anchor 58 can quickly be set.

(47) Because of the circumferential chamfer 36 at the bottom 30 of the recess 18, a capsule anchor 58 cannot be introduced into the recess 18 completely, but rather only up to an upper edge 38 of the chamfer 36, in particular up to the beginning of the chamfer 36. If, therefore, a capsule anchor 58 is inserted into the recess 18 of the setting tool 10, a cavity occurs between the head of the capsule anchor 58 and the bottom 30 of the recess 18. In the case of a transfer of percussion onto the capsule anchor 58, the material of the same can flow into this cavity in the case of plastic deformation. It is thereby prevented that too much material is forced into the small interstice between the drive head 62 of the capsule anchor 58 and a side wall of the recess 18, which could lead to the result that the capsule anchor 58 becomes wedged in the recess 18.

(48) Due to the set 40 or the setting tool system 56, it is furthermore possible to set a capsule anchor 58 having a different size, in correspondingly rapid manner, since the correspondingly assigned setting tool 10 can quickly be changed.