Module for the production of concrete parts, displacement body, use of a grid for the production of a module and concrete part

Abstract

A module for the production of concrete parts has a row of displacement bodies that are adjacently arranged in a horizontal longitudinal direction (L) and that are clamped captively to a grid structure made of at least two individual grids running in the longitudinal direction (L). Surfaces of the grids are oriented in a transverse or inclined manner in relation to the horizontal. Each of the grids has at least a first and a second longitudinal bar arranged at a distance in parallel to one another and running in the longitudinal direction (L) and a plurality of transverse bars being arranged at a distance from one another and oriented in a transverse or inclined manner in relation to the horizontal. The transverse bars are respectively connected with the longitudinal bars. One of the displacement bodies for each grid has a first and a second retaining device.

Claims

1. A module for a production of concrete parts, comprising: a row displacement bodies adjacently arranged in a horizontal longitudinal direction (L), which are clamped captively to a grid structure made of first and second grids extending running in the longitudinal direction (L), wherein the first and the second grids comprise grid surfaces oriented in a transverse or inclined manner relative the horizontal direction (L) and a first and a second longitudinal bar, arranged at a distance in parallel to one another and running in the longitudinal direction (L), and a plurality of transverse bars arranged at a distance from one another and oriented in a transverse or inclined manner relative to the horizontal direction (L) and respectively connected with the first and the second longitudinal bars, wherein at least one of the displacement bodies for each of the first and second grids comprises respectively at least one first retaining device and at least one second retaining device on its outer side, and wherein the at least one first and second retaining devices are formed and arranged in relation to one another so that both of the first and second grids are interlockingly and captively secured between the first and second retaining devices by accommodating the first longitudinal bar in the first retaining device and accommodating the second longitudinal bar in the second retaining device thereby holding together all of the displacement bodies.

2. The module according to claim 1, wherein the displacement bodies in the row for at least one of the first and second grids comprise respectively at least one of the first and the second retaining devices for accommodating the relevant first or second longitudinal bar.

3. A module for production of concrete parts, comprising: a plurality of stacked rows of displacement bodies adjacently arranged in a horizontal longitudinal direction (L), which are clamped captively to a grid structure made of first and second at least two individual grids extending running in the longitudinal direction (L), wherein the first and second grids have grid surfaces oriented in a transverse or inclined manner relative in relation to the horizontal direction (L) and comprise a first and a second longitudinal bar, arranged at a distance in parallel to one another and running in the longitudinal direction (L), and a plurality of transverse bars arranged at a distance from one another and oriented in a transverse or inclined manner relative the horizontal direction (L) and respectively connected with the longitudinal bars, wherein at least one of the displacement bodies in a bottom row of the stacked rows, on its outer side for each of the first and second grids comprises a first retaining device and at least one of the displacement bodies in a top row of the stacked rows, on its outer side comprises a retaining device, wherein the first and the second retaining devices are formed and arranged relative to one another so that both of the first and second grids are interlockingly and captively secured between the first and the second retaining devices by accommodating the first longitudinal bar in the first retaining device and accommodating the second longitudinal bar in the second retaining device thereby holding together all of the displacement bodies.

4. The module according to claim 3, wherein a plurality of the displacement bodies in the bottom row comprise the first retaining device for the first longitudinal bar of at least one of the first and second grids, or a plurality of displacement bodies in the top row (3) comprise the second retaining device for the second longitudinal bar of at least one of the first and second grids, or both.

5. The module.sub.(1b) according to claim 4, wherein one or a plurality of displacement bodies in at least one of the top and the bottom rows comprise at least one of the first and the second retaining devices for at least one of the first and second grids and wherein said one of the first and second grids for said at least one of the top and the bottom rows comprises a further first and a further second longitudinal bar.

6. The module according to claim 1, wherein at least one of the displacement bodies comprises a plurality of first retaining devices, a plurality of second retaining devices or pluralities of both first and second retaining devices adjacently arranged in the longitudinal direction (L), in which the respective first or second longitudinal bar is simultaneously accommodated.

7. The module according to claim 5, wherein in order to secure at least one of the first and second grids in various positions transversely or inclined towards the horizontal direction (L), the one or plurality of displacement bodies comprise a plurality of first retaining devices, a plurality of second retaining devices or pluralities of both the first and the second retaining devices that offset to each other transversely to the longitudinal direction (L).

8. The module according to claim 7, wherein at least one of the plurality of first retaining devices, the plurality of second retaining devices or the pluralities of both the first and the second retaining devices are formed as a locking device, and wherein the locking device is formed as any one of a locking hook, a locking recess, a locking nut, a locking groove and a locking clamp.

9. The module according to claim 3, wherein at least one of the first or second retaining devices comprises a nut or groove-like recess extending in the longitudinal direction (L), to accommodate one of the first or second longitudinal bars, and wherein the nut or groove-like recess comprises a contorted, circle segment-shaped cross-sectional profile line.

10. The module according to claim 9, wherein the nut or groove-like recess is formed in a web extension on an outer surface of the at least one of the displacement bodies, which extends transversely to the longitudinal direction (L).

11. The module (1a, 1b ) according to claim 3, wherein at least one of the first or the second retaining devices is formed as a single piece with the displacement bodies.

12. The module according to claim 3, wherein on at least one of the displacement bodies the first retaining device or a plurality of first retaining devices is or are arranged on a lower side of a respective one of the displacement bodies, and a respective one or a plurality of second retaining devices are arranged on an upper side of a respective one of the displacement bodies.

13. The module according to claim 12, wherein with at least one of the displacement bodies, the second retaining device for the one grid of the first and second grids and the second retaining device for the other grid of the first and second grids are arranged together such that an interval (D2) between the respectively accommodated second longitudinal bars does not exceed 75 mm or first retaining device for the one grid of the first and second grids and the first retaining device for the other grid of the first and second grids are arranged relative to each other such that an interval (D1) between the respectively accommodated first longitudinal bars is at least 75 mm.

14. The module according to claim 3, wherein all the displacement bodies are formed as any of the group consisting of: parallel to the longitudinal direction (L) relative to a vertical level, mirror-symmetrically relative to a horizontal level or both; as a closed hollow body or as a partially open hollow body with the opening downwardly facing into the module; of plastic, is formed specifically as a plastic injection moulded part; and of two identical half-body elements.

15. The module (1a, 1b) according to claim 3, wherein each of the transverse bars extends between each two adjacent displacement bodies in one of the top and bottom rows, at least sectionally, each of the displacement bodies in the longitudinal direction (L) is arranged between each two transverse bars that are fitted specifically to the each of the displacement bodies, or both, such that the transverse bars secure the respective displacement bodies against adjustment along the longitudinal direction (L) and to the side.

16. A displacement body (100) for use in a module according to claim 3, wherein the displacement body comprises for each of the first and second grids of the module respectively, at least one of the first and second retaining devices on its outer side.

17. A method of using at least one of the first and second grids for the production of a module according to claim 3, with at least two spaced first and second longitudinal bars extending in a longitudinal direction (L) parallel to each other and a plurality of spaced transverse bars (13, 23) aligned transversely to the longitudinal direction (L), and wherein the spaced transverse bars respectively connected with both longitudinal bars.

18. A concrete ceiling, using (at least one module according to claim 3.

Description

IN THE DRAWINGS

[0032] FIG. 1 shows a perspective view of a possible exemplary embodiment of a single-row module as per the invention for the production of a concrete part,

[0033] FIG. 2 shows a front view of the single-row module according to FIG. 1 in various stages of the assembly,

[0034] FIG. 3 shows the detailed view A of the single-row module according to FIG. 2,

[0035] FIG. 4 shows the detailed view B of the single-row module according to FIG. 2, and

[0036] FIG. 5 shows a perspective view of a possible exemplary embodiment of a multi-row module as per the invention for the production of a concrete part.

[0037] FIG. 1 to 4 show a possible exemplary embodiment of a single-row module la for the production of a concrete part. The module 1 a comprises a row 2 of a plurality of displacement bodies 100 being adjacently arranged in a horizontal longitudinal direction L, which are clamped captively to a grid structure of two individual grids 10, 20 running in the longitudinal direction L, whose grid surfaces are oriented in a transverse or inclined manner in relation to the horizontal. In doing so, each of the grids 10, 20 comprises at least one first and one second longitudinal bar 11, 12 or 21, 22 being arranged at a distance in parallel to one another and running in the longitudinal direction L and a plurality of transverse bars 13, 23 being spaced apart and oriented in a transverse or inclined manner in relation to the horizontal, which are each respectively connected with the longitudinal bars 11, 12 or 21, 22, preferably welded. The longitudinal bars 11, 12 or 21, 22 and transverse bars 13, 23 comprise preferably reinforcing steel and comprise the same diameter. If in the present exemplary embodiment of the inventive single-row module 1a according to FIG. 1 only a total of two displacement bodies 100 are shown for reasons of clarity, then this illustration is also representative of modules with more than two displacement bodies in one row. In this respect, the module 1a can therefore be extended as needed in the longitudinal direction L. Typically, the modules in the longitudinal direction L can have an extension of up to about 250 cm and comprise in total up to about fourteen adjacently arranged displacement bodies 100.

[0038] All displacement bodies 100 comprise at least one first retaining device 311 or 321 and at least one second retaining device 412 or 422 on its outer side for both respective grids 10 or 20, said retaining devices being formed and arranged in relation to one another in such a way that both respective grids 10 or 20 are at least interlockingly and captively secured between the first and second retaining device 311, 312 or 412, 422, by accommodating the first longitudinal bar 11 or 21 in the first retaining device 311 or 321 and accommodating the second longitudinal bar 12 or 22 in the second retaining device 412 or 422, and thereby holding together all displacement bodies 100.

[0039] The first retaining devices 311, 321 for the first longitudinal bars 11, 21 of the first and second grid 10, 20 are arranged vertically to the longitudinal direction L on the lower side of the displacement bodies at an interval D1, which is about 185 mm in the present exemplary embodiment. This guarantees that the module 1a has a secure position on the typically thereunder arranged (not shown here) reinforcement steel supports, on which the first longitudinal bars 11, 12 are generally directly supported when producing concrete parts. As can be seen specifically from FIGS. 1 and 2, the respective second retaining devices 412, 422 for the second longitudinal bars 12, 22 are arranged on the upper side of the displacement bodies 100 at an interval D2, which is considerably smaller than the interval D1 on the lower side and is only about 50 mm in the present exemplary embodiment. An interval D2 of this magnitude ensures that the module 1 a is safely accessible at both upper, second longitudinal bars 12, 22 of both grids 10, 20 when producing a concrete part, without there existing the risk that a person could step with their foot directly onto the displacement bodies 100 between the two longitudinal bars 12, 22 and damage these. When viewed in the longitudinal direction L—as shown in FIG. 2—the grid surfaces of the two grids 10, 20 are therefore respectively arranged at an incline to the vertical with an angle a of about 15°.

[0040] As can be seen specifically in FIGS. 3 and 4, the first retaining devices 311, 321 are formed on the lower side of the displacement bodies 100 as nuts or groove-like recesses in web extensions, which are arranged transversely to the longitudinal direction L on the outer side of the displacement bodies. Each displacement body 100 comprises respectively two first retaining devices 311 or 321 for each of the longitudinal bars 11 or 21 of the first or second grid 10, 20, which are adjacently arranged in the longitudinal direction L and into which the respective longitudinal bar 11, 21 is simultaneously accommodated. For this purpose, the respective nuts or groove-like recesses of the first retaining devices 311 or 321, which are allocated to one of the longitudinal bars 11 or 21, are aligned in the longitudinal direction L. The depth of the nuts or groove-like recesses and the height of the web extensions are selected such that structurally required coverages (layer thickness of the concrete between reinforcement steel supports and displacement bodies arranged thereon or thereunder) can be complied with. The used second retaining devices 412, 422 on the upper side of the displacement bodies 100 are substantially formed as locking hooks in the present exemplary embodiment, which are also aligned transversely to the longitudinal direction L, in this case vertically to the longitudinal direction L. For each of the longitudinal bars 12, 22, at least one second retaining device 412, 422 being formed as a locking hook is located on the upper side.

[0041] In FIG. 2, an advantageous method for producing or assembling a module 1a is illustrated among other things. For this purpose, both grids 10, 20 are initially positioned flatly adjacent on an even foundation in parallel to the longitudinal direction L at an interval D1. Thereafter the displacement bodies 100 are arranged adjacently on the grids 10, 20 in the longitudinal direction L such that the nuts or groove-like recesses of the first retaining devices 311 or 321 engage with the first longitudinal bars 11 or 21. Furthermore, both grids 10 or 20 are folded up along the longitudinal axis of the respectively first longitudinal bars 11 or 21 until the respectively second longitudinal bars 12 or 22 engage into the second retaining devices 412 or 422 being formed as locking hooks, for example under temporary flexible deformation of the locking hooks. As can be seen specifically in FIG. 4, the nut or groove-like recess of the first retaining device 311, 321 comprises a circle segment-shaped cross-section profile line, which is preferably adapted to the radius of the longitudinal bars 11, 21 such that the nuts or groove-like recesses serve advantageously as a pivoting bearing for the respectively first longitudinal bars 11, 12. Collectively, the cooperation of the accommodation of the respectively first longitudinal bars 11, 21 with the first retaining devices 311, 321 and the respectively second longitudinal bars 12, 22 with the second retaining devices 412, 422 leads to both grids 10, 20 being interlockingly and captively secured respectively individually to the displacement bodies 100 and thus holding together the entirety of all displacement bodies.

[0042] As also seen specifically in FIG. 1, each grid 10, 20 per displacement body 100 each comprises two transverse bars 13 or 23, which are laterally fitted to the relevant displacement body 100, in this case such that the transverse bars 13, 23 secure the displacement bodies 100 against adjustment along the longitudinal direction L. Collectively, each two pairs of transverse bars 13 or 23 and the respectively first and second longitudinal bars 11, 12 or 21, 22 thus define a receiving space each for a displacement body 100, which surrounds or fixes the displacement body 100 to the effect that any raising or slipping of the displacement body within the receiving space can be substantially avoided.

[0043] As can be further seen from FIGS. 1 and 2, the displacement bodies 100 in the present exemplary embodiment are all identical and formed mirror-symmetrically parallel to the horizontal (except for the recesses on the upper and lower side) in relation to a level. Therefore, the displacement bodies comprise a plurality of retaining devices on both the lower side and upper side, which are offset transversely to the longitudinal direction L among other things. In this respect, the above described first retaining devices 311 or 321 on the lower side of the displacement body 100 are identical to the further second retaining devices 312 or 322 on its upper side. Similarly, the above described second retaining devices 412 or 422 on the upper side of the displacement body 100 are identical to the two other retaining devices 411 or 421 on its lower side. Hereby, the modularity of the displacement bodies 100 increases as they have no mandatory mounting direction at least regarding the upper and lower side such that the modules can be assembled very quickly and without any elaborate rotating or positioning of the displacement bodies.

[0044] Instead of one or both of the above described first and second retaining devices 311, 321 or 412, 422, the further first or further second retaining devices 411, 421 or 312, 322 can be used alternatively to secure the respective grid, wherein the interval between the two longitudinal bars of a grid must be adapted for this as applicable. Hereby it is advantageously achieved that the relevant grid 10, 20 can be secured in various positions transversely to the horizontal on the displacement bodies 100. So for example the two grids 10, 20 with their respective first longitudinal bars 11, 21 can be respectively secured in the first retaining devices 311 and 321 on the lower side of the displacement bodies 100 and with their respective second longitudinal bars 12, 22 to the further second retaining devices 312 and 322 on the upper side of the displacement bodies 100. In this case, the two grid surfaces are aligned parallel to the vertical or vertical to the horizontal.

[0045] In addition, the displacement bodies 100 in the present exemplary embodiment are formed as hollow bodies, which are composed of two identical half-shell plastic elements, which can be space-savingly stacked into or onto each other. To produce a displacement body from these elements, no other, complementary element is also required. All displacement bodies 100 are substantially formed as oblate spheroids with oblate upper and lower sides, whereby flat concrete parts can specifically be produced. In addition, all retaining devices are formed as a single piece with the displacement bodies or half-shell elements, for example as a singular injection moulded part.

[0046] FIG. 5 shows a possible exemplary embodiment of an inventive multi-row module 1b, which is used specifically for the production of thicker concrete parts. The module 1b comprises a plurality of stacked rows 2, 3 of a plurality of displacement bodies 100 adjacently arranged in a horizontal longitudinal direction L, which are identical to the displacement bodies 100 in FIG. 1 to 4. The displacement bodies 100 are also clamped captively to a grid structure of two individual grids 10, 20 running in the longitudinal direction L, whose grid surfaces are oriented in a transverse or inclined manner in relation to the horizontal. If in the present exemplary embodiment of the module 1b according to FIG. 5 only two rows 2, 3 each with two displacement bodies 100 are shown for reasons of clarity, then this illustration is also representative of modules with more than two rows and/or more than two displacement bodies 100 in one row. In this respect, the module 1b can therefore be extended or scaled as needed in the longitudinal direction L and/or in the horizontal direction.

[0047] Each of the grids 10, 20 comprises at least one first and one second longitudinal bar 11, 12 or 21, 22 being arranged at a distance in parallel to one another and running in the longitudinal direction L and a plurality of transverse bars 13, 23 being spaced apart and oriented in a transverse or inclined manner in relation to the horizontal, which are each connected respectively with the longitudinal bars 11, 12 or 21, 22, specifically welded. The first longitudinal bars 11, 21 of the two grids 10, 20—similarly to the single-row module 1a—are accommodated respectively into the first retaining devices 311, 321 on the lower side of the displacement bodies 100 in the bottom row 2, while the second longitudinal bars 12, 22 are accommodated respectively into the second retaining devices 312, 322 on the upper side of the displacement bodies 100 in the top row 3. This is sufficient to secure both respective grids 10, 20 at least interlockingly and captively between the first retaining devices 311 or 321 and the second retaining devices 312 or 322 such that all displacement bodies 100 are thereby held together as a composite between both grids 10, 20.

[0048] To strengthen the composite, the two grids 10, 20 respectively comprise additionally a further first longitudinal bar 11.1 or 21.1 and a further second longitudinal bar 12.1 or 22.1, which are accommodated accordingly in the further first retaining devices 311.1 or 321.1 on the lower side of the displacement bodies 100 of the upper row 3 or in the further second retaining devices 412.1 or 422.1 on the upper side of the displacement bodies 100 of the bottom row 2. With more than two rows, it is similarly feasible that each displacement body respectively in a first retaining device, for example on its lower side, and in a second retaining device, for example on its upper side, interacts with a corresponding first or second longitudinal bar of one of the grids. It is however also feasible to forego all further first and second longitudinal bars and to secure the grid as described above only between the first retaining devices of the bottom row and the second retaining devices of the top row. Specifically it would be feasible to forego the two respectively additional longitudinal bars 11.1, 12.1 or 21.1, 22.1 with the two grids 10, 20 shown in FIG. 5 and to accommodate the respective second longitudinal bars 12, 22 in the further second retaining devices 412 or 422 instead of the retaining devices 312 or 322, with the result that the grids 10, 20 would incline in relation to the vertical. In all these configurations, the multi-row module can be advantageously assembled similarly to the single-row module by folding the grids.