Basement bottom plate post-cast strip structure

Abstract

The utility model discloses a basement bottom plate post-cast strip structure, relates to the technical field of post-cast strips, and solves the problems that concrete in a post-cast strip can generate certain pressure stress on basement bottom plates on the two sides of the post-cast strip, and when the pressure stress intensity of the part is large, the basement bottom plates can crack and even be broken. Comprising a post-cast strip and basement bottom plates arranged on the two sides of the post-cast strip, a thickened cushion layer is arranged at the bottom of the post-cast strip, and a rubber waterstop is arranged in the post-cast strip and located above the thickened cushion layer; when the pressure reducing device is used, the steel plate on the pressure reducing assembly has high strength and hardness and is not prone to deformation, so that the basement bottom plate is restrained through the steel plate, the direct contact area of the post-cast strip and the basement bottom plate is reduced, the pressure stress of the post-cast strip acting on the basement bottom plate is reduced, and the service life of the basement bottom plate is prolonged. And the possibility of cracks caused by overlarge stress on the basement bottom plate and the post-cast strip is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to post-pouring band field especially post-pouring band structure of basement floor. BACKGROUND

[0002] At present, in high-rise building or large infrastructure construction, the application of post-pouring band of basement floor is very extensive, and the post-pouring band refers to the temporary deformation joint reserved during construction in cast-in-place reinforced concrete structure to prevent harmful cracks caused by uneven shrinkage or uneven settlement, which plays a role in digesting settlement shrinkage deformation, and after a period of time, the structure is poured and compacted with concrete to become a continuous whole.

[0003] The post-pouring band temporarily divides the structure into several parts, and after internal shrinkage of the components, the construction joint concrete is poured and vibrated after a period of time, and the structure is connected into a whole. After pouring the post-pouring band, the concrete in the post-pouring band will generate a certain compressive stress on the two sides of the basement floor of the post-pouring band. When the compressive stress intensity of this part is large, the basement floor may crack or even break, so a post-pouring band structure of basement floor is proposed. SUMMARY

[0004] In order to improve the problem that the concrete in the post-pouring band will generate a certain compressive stress on the two sides of the basement floor of the post-pouring band, and when the compressive stress intensity of this part is large, the basement floor may crack or even break, the utility model provides a post-pouring band structure of basement floor.

[0005] The utility model provides a post-pouring band structure of basement floor adopts the following technical scheme:

[0006] A post-pouring band structure of basement floor, comprising a post-pouring band and a basement floor arranged on both sides of the post-pouring band, wherein the bottom of the post-pouring band is provided with a thickened cushion layer, the inside of the post-pouring band is provided with a rubber waterstop above the thickened cushion layer, the rubber waterstop is provided with a steel mesh above, and the inside of the post-pouring band is provided with a pressure relief assembly above the steel mesh.

[0007] By adopting the technical scheme, in use, the rubber waterstop can be elastically deformed under various loads due to its high elasticity and compressive deformation, can play a role in fastening and sealing, and can prevent water leakage and seepage of building structures and play a role in shock absorption and buffering. The steel mesh formed by the plurality of horizontal steel bars and the plurality of vertical steel bars can better increase the structural strength of the post-poured strip. The waterstop steel strip can effectively change the water permeation path and prolong the water permeation route, and can also play a role in corrosion resistance. The steel plate on the pressure relief assembly has high strength and hardness and is not prone to deformation, so that the basement floor is constrained by the steel plate, the area of the post-poured strip directly contacting the basement floor is reduced, the compressive stress of the post-poured strip acting on the basement floor is reduced, and the possibility of cracks in the basement floor and the post-poured strip due to excessive stress is reduced.

[0008] Optionally, the pressure relief assembly comprises a first adjusting rod, a first threaded rod is rotatably connected inside the first adjusting rod, a driving assembly is arranged on the first threaded rod, a moving plate is threadedly connected to the outer surface of the first threaded rod, a second adjusting rod is fixedly connected to the outer surface of the moving plate, the first threaded rod is arranged inside the second adjusting rod, the second adjusting rod is arranged inside the first adjusting rod, a sliding assembly is arranged on the opposite sides of the second adjusting rod, and a steel plate is fixedly mounted on the outer surfaces of the first adjusting rod and the second adjusting rod.

[0009] By adopting the technical scheme, when facing post-poured strips of different widths, the staff can control the rotation of the first threaded rod through the driving assembly, the first threaded rod can drive the second adjusting rod and the steel plate on the second adjusting rod to move under the cooperation of the sliding assembly, and the steel plate can abut against the basement floor.

[0010] Optionally, the steel mesh comprises a plurality of vertically and horizontally spaced cruciform horizontal steel bars, and a plurality of vertical steel bars are welded between adjacent cruciform horizontal steel bars.

[0011] By adopting the technical scheme, the steel mesh formed by the plurality of horizontal steel bars and the plurality of vertical steel bars can better increase the structural strength of the post-poured strip.

[0012] Optionally, the driving assembly comprises a rotating rod, the rotating rod is rotatably connected with the first adjusting rod, a first bevel gear is fixedly mounted on one end of the rotating rod, the first bevel gear is meshingly connected with a second bevel gear, and the second bevel gear is fixedly connected with the first threaded rod.

[0013] By adopting the technical scheme, in use, the rotating rod can drive the first bevel gear to rotate, the first bevel gear can drive the second bevel gear to rotate, the second bevel gear can drive the first threaded rod to rotate, and the stability of the rotation of the first threaded rod is improved.

[0014] Optionally, the post-cast strip and the basement floor are internally provided with a water-stop steel belt.

[0015] By adopting the technical scheme, the water-stop steel belt can effectively change the permeation path of water, prolong the permeation route of water, and also has the effect of corrosion resistance.

[0016] Optionally, the sliding assembly comprises a sliding block, one side of the sliding block is fixedly connected with the second adjusting rod, and the first adjusting rod is internally provided with a sliding groove matched with the sliding block.

[0017] By adopting the technical scheme, the sliding block and the sliding groove can limit the moving range of the second adjusting rod, and also make the second adjusting rod move more stably.

[0018] Optionally, the inner side of the steel plate is fixedly provided with a telescopic rod, and the telescopic end of the telescopic rod is fixedly connected with the inner side of the other steel plate.

[0019] By adopting the technical scheme, the telescopic rod can reduce the shaking of the steel plate when the steel plate moves.

[0020] Optionally, one end of the rotating rod, away from the first bevel gear, penetrates to the outside of the first adjusting rod and is fixedly connected with a hand wheel.

[0021] By adopting the technical scheme, the hand wheel can facilitate the rotation of the rotating rod by the staff.

[0022] In summary, the utility model has the following beneficial effects:

[0023] 1. In use, the rubber water-stop belt can produce elastic deformation under various loads due to its high elasticity and compression deformation, can play a role in fastening and sealing, can prevent water leakage and seepage of building structure, and can play a role in shock absorption and buffering, the steel mesh formed by the plurality of horizontal steel bars and the plurality of vertical steel bars can better increase the structural strength of the post-cast strip, the water-stop steel belt can effectively change the permeation path of water, prolong the permeation route of water, and also has the effect of corrosion resistance, the steel plate on the pressure relief assembly has high strength and hardness and is not easy to deform, so that the basement floor is constrained by the steel plate, the area of direct contact between the post-cast strip and the basement floor is reduced, thereby the compressive stress of the post-cast strip on the basement floor is reduced, and the possibility of cracks of the basement floor and the post-cast strip due to excessive stress is reduced.

[0024] 2. When facing post-cast strips of different widths, the staff can control the rotation of the first threaded rod through the driving assembly, the first threaded rod can drive the second adjusting rod and the steel plate on the second adjusting rod to move under the cooperation of the sliding assembly, the distance between the steel plates is adjusted, and the steel plates can abut against the basement floor. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 This is a frontal cross-sectional structural diagram of the present invention.

[0026] Figure 2 This is a top view cross-sectional structural diagram of the pressure-reducing component of this utility model.

[0027] Figure 3 This is a utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0028] Figure 4 This is a utility model Figure 2 Enlarged structural diagram at point B.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Post-pouring strip; 2. Basement floor slab; 3. Thickened cushion layer; 4. Rubber waterstop; 5. Steel mesh; 51. Horizontal reinforcement; 52. Vertical reinforcement; 6. First adjusting rod; 7. First threaded rod; 8. Drive assembly; 81. Rotating rod; 82. First bevel gear; 83. Second bevel gear; 9. Moving plate; 10. Second adjusting rod; 11. Sliding assembly; 111. Sliding block; 112. Slide groove; 12. Steel plate; 13. Waterstop steel strip; 14. Telescopic rod; 15. Hand crank. Detailed Implementation

[0031] The following description, in conjunction with the embodiments of this utility model, includes appendices. Figures 1-4 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] Please refer to Figure 1 A post-cast strip structure for basement floor slabs includes a post-cast strip 1 and basement floor slabs 2 disposed on both sides of the post-cast strip 1. A thickened pad 3 is disposed at the bottom of the post-cast strip 1, and a rubber waterstop 4 is disposed inside the post-cast strip 1 above the thickened pad 3. The rubber waterstop 4, through its high elasticity and compressive deformation, can generate elastic deformation under various loads, thereby playing a role in fastening and sealing, preventing water leakage and seepage in the building structure, and providing shock absorption and buffering.

[0033] Please refer to Figure 1The upper portion of the rubber waterstop 4 is provided with a reinforcing mesh 5, the reinforcing mesh 5 comprises a plurality of vertically and horizontally distributed cross-shaped horizontal reinforcing bars 51, a plurality of vertical reinforcing bars 52 are welded between adjacent cross-shaped horizontal reinforcing bars 51, the reinforcing mesh 5 formed by the plurality of horizontal reinforcing bars 51 and the plurality of vertical reinforcing bars 52 can better increase the structural strength of the post-pouring belt 1. The post-pouring belt 1 and the basement floor 2 are both provided with a waterstop steel belt 13, the waterstop steel belt 13 can effectively change the water permeation path, prolong the water permeation route, and also has the effect of corrosion resistance.

[0034] Please refer to Figures 1-3 The upper portion of the post-pouring belt 1 is provided with a pressure relief assembly, the pressure relief assembly comprises a first adjusting rod 6, the first adjusting rod 6 is rotatably connected with a first threaded rod 7, the first threaded rod 7 is provided with a driving assembly 8, the driving assembly 8 comprises a rotating rod 81, the rotating rod 81 is rotatably connected with the first adjusting rod 6, one end of the rotating rod 81 is fixedly connected with a first bevel gear 82, the first bevel gear 82 is rotatably connected with a second bevel gear 83, the second bevel gear 83 is fixedly connected with the first threaded rod 7. When it is needed to rotate the first threaded rod 7, the staff can control the rotating rod 81 to rotate, the rotating rod 81 can drive the first bevel gear 82 to rotate, the first bevel gear 82 can drive the second bevel gear 83 to rotate, the second bevel gear 83 can drive the first threaded rod 7 to rotate, thereby facilitating to improve the stability of the rotation of the first threaded rod 7. One end of the rotating rod 81 away from the first bevel gear 82 penetrates to the outside of the first adjusting rod 6 and is fixedly connected with a hand wheel 15, the hand wheel 15 can facilitate the staff to rotate the rotating rod 81.

[0035] Please refer to Figure 2 and Figure 4The outer surface of the first threaded rod 7 is threadedly connected with a moving plate 9, the outer surface of the moving plate 9 is fixedly connected with a second adjusting rod 10, the first threaded rod 7 is arranged in the second adjusting rod 10, one end of the first threaded rod 7 is fixedly installed with a limiting block, the limiting block can limit the moving path of the moving plate 9, and the situation that the moving plate 9 slides off from the first threaded rod 7 is prevented. The second adjusting rod 10 is arranged in the first adjusting rod 6, the opposite sides of the second adjusting rod 10 are both provided with a sliding assembly 11, the sliding assembly 11 comprises a sliding block 111, one side of the sliding block 111 is fixedly connected with the second adjusting rod 10, the inside of the first adjusting rod 6 is provided with a sliding groove 112 matched with the sliding block 111, the sliding block 111 and the sliding groove 112 can limit the moving range of the second adjusting rod 10, and the second adjusting rod 10 can move more stably, the outer surfaces of the first adjusting rod 6 and the second adjusting rod 10 are both fixedly installed with a steel plate 12, the steel plate 12 is made of high-strength structural steel, has high strength and hardness, and is not easy to deform, the outer side of the steel plate 12 is fixedly installed with a rubber anti-skid pad, the rubber anti-skid pad can increase the anti-skid performance of the steel plate 12, and the steel plate 12 can be more stable when being fixed. When facing the post-cast strip 1 with different widths, the staff can control the first threaded rod 7 to rotate through the driving assembly 8, the first threaded rod 7 can drive the second adjusting rod 10 and the steel plate 12 on the second adjusting rod 10 to move under the cooperation of the sliding assembly 11, so that the steel plate 12 can abut against the basement floor 2. The inner side of the steel plate 12 is fixedly installed with an extension rod 14, the extension rod 14 is fixedly connected with the inner side of the other steel plate 12 at the extension end, and the extension rod 14 can reduce the shaking of the steel plate 12 when the steel plate 12 moves.

[0036] The utility model discloses an implementation principle is: through the design of post-pouring zone 1, basement floor 2, thickened cushion 3, rubber waterstop 4, reinforcing mesh 5, horizontal steel bars 51, vertical steel bars 52, first adjusting rod 6, first threaded rod 7, drive assembly 8, rotating rod 81, first bevel gear 82, second bevel gear 83, moving plate 9, second adjusting rod 10, sliding assembly 11, sliding block 111, slide groove 112, steel plate 12, waterstop steel belt 13, telescopic rod 14 and hand wheel 15, when using, the rubber waterstop 4 passes through its high elasticity and compression deformation, can produce elastic deformation under various loads, can play the role of fastening sealing, prevent the water leakage, seepage of building structure and the effect of shock attenuation and buffering, and the reinforcing mesh 5 formed by multiple horizontal steel bars 51 and multiple vertical steel bars 52 can better increase the structural strength of post-pouring zone 1, and the waterstop steel belt 13 can effectively change the permeation path of water, prolong the permeation route of water, and also can play the role of corrosion resistance, and the steel plate 12 on pressure relief assembly has higher strength and hardness, and is not easy to deform, and the basement floor 2 is constrained through the steel plate 12, the area of post-pouring zone 1 and the basement floor 2 direct contact is reduced, thereby the compressive stress of post-pouring zone 1 on the basement floor 2 is reduced, and the possibility of crack of the basement floor 2 and post-pouring zone 1 under excessive stress is reduced.

[0037] When facing the post-pouring zone 1 of different width, the staff can rotate the hand wheel 15, the hand wheel 15 can drive the first bevel gear 82 to rotate, the first bevel gear 82 can drive the second bevel gear 83 to rotate, the second bevel gear 83 can drive the first threaded rod 7 to rotate, and the first threaded rod 7 can drive the second adjusting rod 10 and the steel plate 12 on the second adjusting rod 10 to move under the cooperation of the sliding block 111 and the slide groove 112, so as to adjust the distance between the steel plate 12, and the steel plate 12 is abutted with the basement floor 2.

[0038] The above is only the preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A basement floor slab post-cast strip structure, comprising a post-cast strip (1) and basement floor slabs (2) disposed on both sides of the post-cast strip (1), characterized in that: The bottom of the post-cast strip (1) is provided with a thickened pad (3), and a rubber waterstop (4) is provided inside the post-cast strip (1) above the thickened pad (3). A steel mesh (5) is provided above the rubber waterstop (4), and a pressure-reducing component is provided inside the post-cast strip (1) above the steel mesh (5).

2. The post-cast strip structure for a basement floor slab according to claim 1, characterized in that: The pressure-reducing assembly includes a first adjusting rod (6), a first threaded rod (7) is rotatably connected inside the first adjusting rod (6), a driving assembly (8) is provided on the first threaded rod (7), a moving plate (9) is threadedly connected to the outer surface of the first threaded rod (7), a second adjusting rod (10) is fixedly connected to the outer surface of the moving plate (9), the first threaded rod (7) is located inside the second adjusting rod (10), the second adjusting rod (10) is located inside the first adjusting rod (6), sliding assemblies (11) are provided on both opposite sides of the second adjusting rod (10), and steel plates (12) are fixedly installed on the outer surfaces of both the first adjusting rod (6) and the second adjusting rod (10).

3. The post-cast strip structure for a basement floor slab according to claim 1, characterized in that: The steel mesh (5) includes multiple horizontal steel bars (51) arranged vertically and horizontally at intervals, and multiple vertical steel bars (52) are welded between adjacent horizontal steel bars (51).

4. The post-cast strip structure for a basement floor slab according to claim 2, characterized in that: The drive assembly (8) includes a rotating rod (81), which is rotatably connected to a first adjusting rod (6). A first bevel gear (82) is fixedly installed at one end of the rotating rod (81). A second bevel gear (83) is meshed with the first bevel gear (82). The second bevel gear (83) is fixedly connected to a first threaded rod (7).

5. The post-cast strip structure for a basement floor slab according to claim 1, characterized in that: Both the post-pouring strip (1) and the basement floor slab (2) are equipped with water-stop steel strips (13).

6. The post-cast strip structure for a basement floor slab according to claim 2, characterized in that: The sliding assembly (11) includes a slider (111), one side of which is fixedly connected to the second adjusting rod (10), and the first adjusting rod (6) has a groove (112) inside that is adapted to the slider (111).

7. The post-cast strip structure for a basement floor slab according to claim 2, characterized in that: A telescopic rod (14) is fixedly installed on the inner side of the steel plate (12), and the telescopic end of the telescopic rod (14) is fixedly connected to the inner side of another steel plate (12).

8. The post-cast strip structure for a basement floor slab according to claim 4, characterized in that: The end of the rotating rod (81) away from the first bevel gear (82) extends through to the outside of the first adjusting rod (6) and is fixedly connected to a hand crank (15).

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