Mortar leakage prevention device for post-cast strip of prefabricated laminated slab

Abstract

The utility model provides a prefabricated laminated slab post-cast strip slurry leakage prevention device, and relates to the technical field of post-cast strip slurry leakage prevention. The leakage-proof film is arranged at the bottom of the laminated slab; one end of the supporting assembly is connected with the side, away from the laminated plate, of the leakage-proof film, and the supporting assembly is used for supporting the leakage-proof film; and the leakage-proof assembly is arranged on the supporting assembly and used for clamping the leakage-proof film. According to the utility model, the supporting plate is connected with the plurality of leakage-proof components, and the leakage-proof components are utilized to extrude the leakage-proof film between the laminated plate and the supporting plate into the closed groove of the laminated plate, so that the leakage-proof film is tightly attached to the closed groove, and the slurry leakage-proof effect is improved; therefore, no component is added in the concrete pouring space of the post-cast strip, and the stability and firmness degree of a reinforced concrete structure after pouring of the post-cast strip are prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-leakage slurry of a post-casting belt, and in particular to an anti-leakage slurry device for a post-casting belt of a prefabricated composite slab. Background Art

[0002] With the development of the construction industry, the application of prefabricated buildings has become more and more extensive. In prefabricated assembled concrete composite slabs, the size is limited due to transportation, lifting and handling. The prefabricated composite slabs of large sections need to be split into two pieces. The joints of the prefabricated composite slabs generally need to be provided with post-cast strips. The purpose is to effectively ensure the stability of the connection between the two prefabricated composite slabs. The connection is made on site through cast-in-place joints, and then concrete is poured to achieve the same stress performance as the cast-in-place slabs. In the prior art, when taking measures to prevent leakage of slurry during the pouring of the post-cast strip of the composite slab, connecting parts are added between adjacent composite slabs to promote the connection of adjacent composite slabs to achieve the requirement of preventing leakage of slurry. For example, Chinese patent No. CN220318820U discloses a prefabricated composite slab post-cast strip anti-leakage structure, including a prefabricated composite slab, the interior of the prefabricated composite slab is fixedly cast with steel bars, one side of the prefabricated composite slab is fixedly cast with a left post-cast strip, a slide groove is arranged inside the left post-cast strip, a slide bar is sleeved inside the slide groove, one side of the slide bar is fixedly connected to the right post-cast strip, a connecting mechanism is arranged between adjacent composite slabs, thereby achieving the effect of preventing leakage of slurry.

[0003] However, this method adds components to the post-cast strips between the composite slabs, reduces the amount of concrete poured in the post-cast strips, occupies the concrete pouring space of the post-cast strips, and affects the stability and firmness of the reinforced concrete structure after the post-cast strips are poured.

[0004] In view of this, this application is hereby filed. Utility Model Content

[0005] The utility model provides a file storage cabinet, which performs leakproof treatment on a post-cast strip through a leakproof film, does not occupy the concrete pouring space of the post-cast strip, and thus does not affect the firmness of the post-cast strip after pouring.

[0006] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0007] The embodiment of the utility model provides a slurry leakage prevention device for a post-cast belt of a prefabricated composite slab, comprising:

[0008] Composite panels;

[0009] A leak-proof membrane is arranged at the bottom of the laminated board;

[0010] A support assembly, one end of which is connected to a side of the leak-proof membrane away from the stacking plate, and is used to provide support for the leak-proof membrane;

[0011] The anti-leakage component is arranged on the supporting component and is used for clamping the anti-leakage membrane.

[0012] Furthermore, the composite plate comprises:

[0013] A steel bar, one end of which is connected to one side of the composite slab;

[0014] The closed groove is arranged on the composite plate and is connected with the leak-proof component.

[0015] Furthermore, the support assembly includes:

[0016] A support plate, the top surface of which is connected to a side of the leakproof membrane away from the laminated plate;

[0017] A first supporting threaded tube, one end of which is connected to the bottom surface of the supporting plate, wherein the first supporting threaded tube is provided with threads;

[0018] A rotating member, one end of which is inserted into the first supporting threaded tube and connected to the first supporting threaded tube;

[0019] A second supporting threaded tube, one end of which is sleeved on the other end of the rotating member and connected to the rotating member;

[0020] The support frame is connected to the other end of the second support threaded tube.

[0021] Furthermore, the support plate comprises:

[0022] A chute is provided on the top surface of the support plate and is connected to the anti-leakage component;

[0023] A first threaded hole is provided at the bottom of the slide groove and penetrates to the bottom surface of the support plate;

[0024] The groove is formed on the bottom surface of the support plate and is located below the first threaded hole.

[0025] Furthermore, the rotating member comprises:

[0026] A first threaded rod, one end of which is inserted into the first supporting threaded tube;

[0027] A rotating column, one end of which is connected to the other end of the threaded rod;

[0028] One end of the second threaded rod is connected to the other end of the rotating column, and the other end is inserted into the second supporting threaded tube.

[0029] Furthermore, the anti-leakage component comprises:

[0030] A clamping strip, located in the slide groove and connected to the leak-proof membrane;

[0031] A slider is located in the slide groove and connected to the bottom of the clamping strip, and the slider is provided with a second threaded hole;

[0032] The fixing component is located on the supporting plate, and one end of the fixing component is connected to the bottom of the clamping bar.

[0033] Furthermore, the fixing assembly includes:

[0034] A threaded rod, one end of which is provided with a second threaded hole and connected to the bottom of the clamping bar;

[0035] A fastening threaded tube is located in the groove and sleeved on the other end of the threaded rod;

[0036] A knob is connected to the other end of the threaded rod.

[0037] The above solution of the utility model includes at least the following beneficial effects:

[0038] The utility model provides a slurry leakage prevention device for the post-casting belt of a prefabricated composite plate, wherein a plurality of leakage prevention components are connected to a support plate, and then the leakage prevention components are used to squeeze the leakage prevention film between the composite plate and the support plate into the closed groove of the composite plate, so that the leakage prevention film is closely attached to the closed groove, thereby improving the slurry leakage prevention effect;

[0039] By sticking the leakproof membrane to the post-cast strip, no components need to be added in the concrete pouring space of the post-cast strip, thereby avoiding affecting the stability and firmness of the reinforced concrete structure after the post-cast strip is poured. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a three-dimensional schematic diagram of the utility model of the slurry leakage prevention device for the post-casting belt of the prefabricated composite slab;

[0041] Figure 2 It is a schematic diagram of the framework of the utility model of the slurry leakage prevention device for the post-casting belt of the prefabricated composite slab;

[0042] Figure 3 This is an enlarged view of the frame schematic of the leakage prevention device for the post-cast belt of the prefabricated composite slab of the utility model at point A;

[0043] Figure 4 It is a schematic diagram of the connection between the support assembly and the composite plate of the utility model of the anti-leakage slurry device of the post-casting belt of the prefabricated composite plate;

[0044] Figure 5 It is a schematic diagram of the support assembly of the utility model of the slurry leakage prevention device for the post-casting belt of the prefabricated composite slab;

[0045] Figure 6 It is a schematic diagram of the rotating parts of the slurry leakage prevention device for the post-casting belt of the prefabricated composite slab of the utility model;

[0046] Figure 7 It is a schematic diagram of a support plate of a slurry leakage prevention device for a post-cast belt of a prefabricated composite slab of the utility model;

[0047] Figure 8The utility model is a schematic diagram of the anti-leakage component of the anti-leakage slurry device of the post-cast belt of the prefabricated composite slab.

[0048] Description of reference numerals:

[0049] 1. Composite plate; 11. Rebar; 12. Post-cast strip; 13. Closed groove; 2. Support assembly; 21. Support plate; 211. First threaded hole; 212. Groove; 213. Slide; 22. First support threaded tube; 23. Second support threaded tube; 24. Rotating member; 241. First threaded rod; 242. Rotating column; 243. Second threaded rod; 25. Support frame; 3. Leak-proof assembly; 31. Clamping strip; 32. Sliding block; 321. Second threaded hole; 33. Fixing assembly; 331. Threaded rod; 332. Knob; 333. Fastening threaded tube; 4. Leak-proof membrane. DETAILED DESCRIPTION

[0050] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0051] like Figures 1 to 4 As shown, an embodiment of the utility model provides a leakage-proof slurry device for the post-cast strip of a prefabricated composite slab, comprising: a composite slab 1; a leakage-proof membrane 4, which is arranged at the bottom of the composite slab 1; a support component 2, one end of which is connected to a side of the leakage-proof membrane 4 away from the composite slab 1, for providing support for the leakage-proof membrane 4; and a leakage-proof component 3, which is arranged on the support component 2 and is used to clamp the leakage-proof membrane 4.

[0052] In the embodiment of the utility model, the composite plates 1 are provided with two groups and are connected to each other, wherein the pouring space between the two groups of composite plates 1 is a post-cast strip 12; in actual use, the leak-proof membrane 4 is first attached to the bottom surface of the two groups of composite plates 1, and the post-cast strip 12 is completely covered, and then the leak-proof membrane 4 is tightly pressed against the bottom surface of the composite plates 1 through the support component 2, and then the leak-proof membrane 4 is further pressed against the bottom of the composite plates 1 through the leak-proof component 3, so that during pouring, the cement slurry can be completely poured into the post-cast strip 12 without leaking from the bottom. At the same time, since the post-cast strip 12 is leak-proofed only by the leak-proof membrane 4, no device is mixed in the post-cast strip 12, and the concrete pouring space of the post-cast strip 12 is not occupied, and thus the firmness of the post-cast strip 12 after pouring is not affected.

[0053] like Figures 1 to 4 As shown, the composite plate 1 includes: a steel bar 11 , one end of which is connected to one side of the composite plate 1 ; and a closed groove 13 , which is opened on the composite plate 1 and connected to the anti-leakage component 3 .

[0054] In the embodiment of the utility model, the composite plate 1 is connected to another composite plate 1 through the steel bar 11, and the concrete pouring space where the steel bar 11 is located is the post-cast strip 12; the closed groove 13 is opened at one end of the composite plate 1 close to the steel bar 11.

[0055] like Figures 1 to 4 As shown, the support assembly 2 includes: a support plate 21, the top surface of which is connected to a side of the leak-proof membrane 4 away from the composite plate 1; a first support threaded tube 22, one end of which is connected to the bottom surface of the support plate 21, and a thread is provided inside the first support threaded tube 22; a rotating member 24, one end of which is inserted into the first support threaded tube 22 and connected to the first support threaded tube 22; a second support threaded tube 23, one end of which is sleeved on the other end of the rotating member 24 and connected to the rotating member 24; a support frame 25, which is connected to the other end of the second support threaded tube 23.

[0056] In the embodiment of the utility model, the support plate 21 can press the leak-proof membrane 4 on the bottom of the composite plate 1; the support frame 25 is a cross plate; the first support threaded tube 22, the support frame 25, the rotating member 24 and the second support threaded tube 23 are each provided with two groups; in actual installation, firstly, one end of the two groups of first support threaded tubes 22 are symmetrically fixedly connected to the two ends of the bottom of the support plate 21, and then one end of the two groups of second support threaded tubes 23 are welded together with the two groups of support frames 25, and then one end of the rotating member 24 is inserted into the other end of the inner wall of the first support threaded tube 22, so that the other end of the rotating member 24 is inserted into the other end of the inner wall of the second support threaded tube 23, and further the distance between the first support threaded tube 22 and the second support threaded tube 23 is expanded by rotating the rotating member 24, so that the support plate 21 presses the leak-proof membrane 4 on the composite plate 1.

[0057] like Figures 1 to 4 As shown, the support plate 21 includes: a slide groove 213, which is opened on the top surface of the support plate 21 and connected to the anti-leakage component 3; a first threaded hole 211, which is opened at the bottom of the slide groove 213 and penetrates to the bottom surface of the support plate 21; a groove 212, which is opened on the bottom surface of the support plate 21 and is located below the first threaded hole 211.

[0058] In the embodiment of the utility model, the slide groove 213 is a T-shaped slide groove 213; the first threaded holes 211 are provided in multiple groups; and the grooves 212 are provided in multiple groups.

[0059] like Figures 1 to 4 As shown, the rotating member 24 includes: a first threaded rod 241, one end of which is inserted into the first supporting threaded tube 22; a rotating column 242, one end of which is connected to the other end of the threaded rod 331; a second threaded rod 243, one end of which is connected to the other end of the rotating column 242, and the other end is inserted into the second supporting threaded tube 23.

[0060] In the embodiment of the utility model, the first threaded rod 241 is driven to move along the first supporting threaded tube 22 by rotating the rotating column 242 , and the second threaded rod 243 is also driven to move along the second supporting threaded tube 23 .

[0061] like Figures 1 to 4 As shown, the anti-leakage component 3 includes: a clamping bar 31, which is located in the slide groove 213 and connected to the anti-leakage membrane 4; a slider 32, which is located in the slide groove 213 and connected to the bottom of the clamping bar 31, and the slider 32 is provided with a second threaded hole 321; a fixing component 33, which is located on the support plate 21 and one end of which is connected to the bottom of the clamping bar 31.

[0062] In the embodiment of the utility model, the clamping strip 31 is composed of a rectangular parallelepiped and a semi-cylinder, and is provided with multiple groups. The clamping strip 31 is located in the vertical area of ​​the slide groove 213; the slider 32 is provided with multiple groups, and is fixedly connected to the clamping strip 31 one by one. The slider 32 is located in the horizontal area of ​​the slide groove 213, and the slider 32 can slide up and down in the horizontal area. In actual use, the fixing component 33 is first inserted into the first threaded hole 211, and inserted into the slider 32 through the second threaded hole 321, and then the fixing component 33 is rotated to push the slider 32 to move upward along the inner wall of the slide groove 213, thereby driving the clamping strip 31 to move upward, thereby cooperating with the support plate 21 to clamp the leakproof membrane 4, and the leakproof membrane 4 is stuck in the closed groove 13.

[0063] like Figures 1 to 4 As shown, the fixing assembly 33 includes: a threaded rod 331, one end of which is provided with a second threaded hole 321 and connected to the bottom of the clamping strip 31; a fastening threaded tube 333, which is located in the groove 212 and sleeved on the other end of the threaded rod 331; and a knob 332, which is connected to the other end of the threaded rod 331.

[0064] In the embodiment of the utility model, the threaded rod 331 is penetrated on the first threaded hole 211 and the second threaded hole 321; in actual use, the fastening threaded tube 333 is first placed in the groove 212, and then the rotating threaded rod 331 is driven to rotate along the fastening threaded tube 333 into the fastening threaded tube 333 by turning the knob 332, and then the knob 332 is turned again to drive the threaded rod 331 through the first threaded hole 211 into the second threaded hole 321 of the slider 32 until it contacts the clamping bar 31.

[0065] In actual use, first, two sets of composite plates 1 are connected by steel bars 11, and the concrete pouring space where the steel bars 11 are located is the post-casting strip 12. The anti-leakage membrane 4 is first attached to the bottom surface of the two sets of composite plates 1, and the post-casting strip 12 is completely covered;

[0066] Secondly, one end of the two groups of first support threaded tubes 22 is fixedly connected to the two ends of the bottom of the support plate 21, and then one end of the two groups of second support threaded tubes 23 is welded to the two groups of support frames 25, and then one end of the first threaded rod 241 is inserted into the other end of the inner wall of the first support threaded tube 22, and then the other end of the second threaded rod 243 is inserted into the other end of the inner wall of the second support threaded tube 23, so that the first threaded rod 241 and the second threaded rod 243 are fixedly connected together by the rotating column 242, and further the rotating column 242 is rotated to drive the first threaded rod 241 to move downward along the first support threaded tube 22, and at the same time drive the second threaded rod 243 to move upward along the second support threaded tube 23, so as to expand the distance between the first support threaded tube 22 and the second support threaded tube 23, so that the support plate 21 presses the leak-proof membrane 4 on the composite plate 1, and then multiple groups of sliders 32 and clamping strips 31 are inserted into the slide groove 213;

[0067] Finally, place the fastening threaded tube 333 in the groove 212 first, and then drive the rotating threaded rod 331 to rotate along the fastening threaded tube 333 into the fastening threaded tube 333 by turning the knob 332, and then turn the knob 332 again to drive the threaded rod 331 to pass through the first threaded hole 211 and enter the second threaded hole 321 of the slider 32 until it contacts the clamping strip 31 to press the leak-proof membrane 4 tightly against the bottom surface of the composite plate 1, and then further press the leak-proof membrane 4 into the closed groove 13 at the bottom of the composite plate 1 through the clamping strip 31, so that during pouring, the cement slurry can be completely poured into the post-cast strip 12 without leaking from the bottom. At the same time, since the post-cast strip 12 is leak-proofed only by the leak-proof membrane 4, it does not occupy the concrete pouring space of the post-cast strip 12, and thus will not affect the firmness of the post-cast strip 12 after pouring.

[0068] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A slurry leakage prevention device for post-casting strips of prefabricated composite slabs, characterized in that: include: Composite plate (1); A leak-proof membrane (4) is arranged at the bottom of the laminated plate (1); A support assembly (2), one end of which is connected to a side of the leakproof membrane (4) away from the laminated plate (1), and is used to provide support for the leakproof membrane (4); The anti-leakage component (3) is arranged on the supporting component (2) and is used for clamping the anti-leakage membrane (4).

2. The device for preventing slurry leakage of post-cast strip of prefabricated composite slab according to claim 1, characterized in that: The composite plate (1) comprises: A steel bar (11), one end of which is connected to one side of the composite plate (1); The closed groove (13) is formed on the laminated plate (1) and is connected to the leak-proof component (3).

3. The device for preventing slurry leakage of post-cast strip of prefabricated composite slab according to claim 2, characterized in that: The support assembly (2) comprises: A support plate (21), the top surface of which is connected to a side of the leakproof membrane (4) away from the laminated plate (1); A first supporting threaded tube (22), one end of which is connected to the bottom surface of the supporting plate (21), and a thread is formed inside the first supporting threaded tube (22); A rotating member (24), one end of which is inserted into the first supporting threaded tube (22) and connected to the first supporting threaded tube (22); A second supporting threaded tube (23), one end of which is sleeved on the other end of the rotating member (24) and connected to the rotating member (24); The support frame (25) is connected to the other end of the second support threaded tube (23).

4. The device for preventing slurry leakage of post-cast strip of prefabricated composite slab according to claim 3 is characterized in that: The support plate (21) comprises: A slide groove (213) is provided on the top surface of the support plate (21) and is connected to the anti-leakage component (3); A first threaded hole (211) is formed at the bottom of the slide groove (213) and penetrates to the bottom surface of the support plate (21); The groove (212) is formed on the bottom surface of the support plate (21) and is located below the first threaded hole (211).

5. The device for preventing slurry leakage of post-cast strip of prefabricated composite slab according to claim 4, characterized in that: The rotating member (24) comprises: A first threaded rod (241), one end of which is inserted into the first supporting threaded tube (22); A rotating column (242), one end of which is connected to the other end of the threaded rod (331); One end of the second threaded rod (243) is connected to the other end of the rotating column (242), and the other end is inserted into the second supporting threaded tube (23).

6. The device for preventing slurry leakage of post-cast strip of prefabricated composite slab according to claim 5, characterized in that: The anti-leakage component (3) comprises: A clamping strip (31) is located in the slide groove (213) and is connected to the leak-proof membrane (4); A sliding block (32) is located in the sliding groove (213) and connected to the bottom of the clamping strip (31), and the sliding block (32) is provided with a second threaded hole (321); The fixing assembly (33) is located on the supporting plate (21) and one end of the fixing assembly (33) is connected to the bottom of the clamping strip (31).

7. The device for preventing slurry leakage of post-cast strip of prefabricated composite slab according to claim 6, characterized in that: The fixing assembly (33) comprises: A threaded rod (331) with a second threaded hole (321) at one end thereof connected to the bottom of the clamping bar (31); A fastening threaded tube (333) is located in the groove (212) and sleeved on the other end of the threaded rod (331); The knob (332) is connected to the other end of the threaded rod (331).

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