Laminated slab anti-crack connecting assembly

Abstract

The utility model relates to the technical field of laminated slabs, in particular to a laminated slab anti-crack connecting assembly which comprises a connecting assembly body, the connecting assembly body is arranged on the inner side of a prestressed hollow laminated slab, a first reinforcing piece is clamped on the inner side of the connecting assembly body, a hollow hole is formed in the inner side of the prestressed hollow laminated slab, and a second reinforcing piece is arranged on the inner side of the connecting assembly body. The connecting assembly comprises a connecting steel bar, an inserting hole is formed in the inner side of the connecting steel bar, a reset groove is formed in the inner side of the connecting steel bar, a spring groove is formed in the inner side of the connecting steel bar, a spring is fixedly connected to one side of the spring groove formed in the connecting steel bar, a clamping plate is fixedly connected to one side of the spring, and an operating rod is fixedly connected to one side of the clamping plate. According to the prestressed hollow laminated slab connecting structure, the overall strength and the crack resistance of the prestressed hollow laminated slab are improved, the construction difficulty of the connecting structure is simplified, and the construction efficiency and the safety are also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of laminated slab, specifically to a laminated slab anti-cracking connecting assembly. BACKGROUND

[0002] The laminated slab is a new cast-in-place formwork material, which is formed by embedding galvanized steel grid in the middle of fiber cement pressure plate and welding the back by embedded keel and steel bar truss, and the plate has smooth surface and grayish white color, mainly replacing traditional aluminum, iron and other formworks, and cracks are easily generated in the production, transportation and installation process, especially in the construction stage, indirect effects such as load action, temperature change, volume expansion and contraction and uneven settlement may cause forced displacement or constraint deformation in the component, thereby causing cracks.

[0003] The prestressed hollow laminated slab is composed of prestressed concrete hollow bottom plate and post-cast concrete laminated layer, the prestressed concrete hollow bottom plate is a prefabricated part, and the laminated layer is a cast-in-place layer poured in the construction stage, which enhances the integrity of the floor slab.

[0004] For the prestressed hollow laminated slab, the traditional prestressed hollow laminated slab is simply provided with a steel bar inside, which is convenient for construction, but has poor crack resistance, and the hollow inside of the prestressed hollow laminated slab increases the difficulty of the connecting structure inside the laminated slab, so how to improve the crack resistance of the prestressed hollow laminated slab and reduce the construction difficulty of the connecting structure is a problem to be solved, therefore, the laminated slab anti-cracking connecting assembly is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a laminated slab anti-cracking connecting assembly to solve the problems of improving the crack resistance of the prestressed hollow laminated slab and reducing the construction difficulty of the connecting structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A laminated slab anti-cracking connecting assembly, comprising a connecting assembly, the connecting assembly is arranged on the inner side of the prestressed hollow laminated slab, a first reinforcing part is clamped on the inner side of the connecting assembly, a hollow hole is arranged on the inner side of the prestressed hollow laminated slab, a second reinforcing part is arranged on the inner side of the connecting assembly, the connecting assembly comprises a connecting steel bar, a plug hole is arranged on the inner side of the connecting steel bar, a reset slot is arranged on the inner side of the connecting steel bar, a spring slot is arranged on the inner side of the connecting steel bar, a spring is fixedly connected on one side of the spring slot of the connecting steel bar, a clamping plate is fixedly connected on one side of the spring, an operating rod is fixedly connected on one side of the clamping plate, the first reinforcing part comprises a reinforcing steel bar, and a clamping slot is arranged on the end of the reinforcing steel bar close to the clamping plate.

[0008] As the further optimization of the utility model, wherein: the hollow hole penetrates the inner side of the prestressed hollow laminated slab, the second reinforcing member and the first reinforcing member are embedded in the inner side of the prestressed hollow laminated slab.

[0009] As the further optimization of the utility model, wherein: the second reinforcing member and the reinforcing steel bar are the same in shape, the structural arrangement of the second reinforcing member is opposite to that of the reinforcing steel bar, and the second reinforcing member and the reinforcing steel bar are surrounded outside the hollow hole.

[0010] As the further optimization of the utility model, wherein: the number of the hollow holes is the same as that of the first reinforcing members, the number of the first reinforcing members is the same as that of the second reinforcing members, and the first reinforcing members and the second reinforcing members are arranged equidistantly inside the prestressed hollow laminated slab.

[0011] As the further optimization of the utility model, wherein: the opening shape of the clamping groove is a right triangular body, the middle end of the reinforcing steel bar is inside the middle end of the jack, and the middle end of the second reinforcing member is inside the middle end of the jack.

[0012] As the further optimization of the utility model, wherein: the shape of the clamping plate is composed of a rectangular body and a triangular body, one end of the triangular body of the clamping plate is clamped inside the clamping groove, and the second reinforcing member is clamped with the clamping plate through the clamping groove.

[0013] As the further optimization of the utility model, wherein: the opening shape of the reset groove and the spring groove is a rectangular body, the reset groove, the spring groove and the jack are communicated, the outer side of the clamping plate slides inside the spring groove, the operating rod is partially installed inside the reset groove, and one end of the operating rod protrudes and connects the outer side of the steel bar.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] In the utility model, the first reinforcing member, the second reinforcing member and the connecting assembly are arranged, the device is designed through the specific connecting assembly and the construction method, the overall strength and the crack resistance of the prestressed hollow laminated slab are improved, the construction difficulty of the connecting structure is simplified, the laminated slab is more stable in the construction process, the crack risk caused by the load, the temperature change, the volume expansion and contraction and the uneven settlement and other factors is reduced, and the construction efficiency and the safety are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the prestressed hollow laminated slab structure schematic view of the utility model;

[0018] Figure 3 Hollow hole structure schematic view of the present utility model;

[0019] Figure 4 Connecting assembly structure schematic view of the present utility model;

[0020] Figure 5 Second reinforcing member structure schematic view of the present utility model;

[0021] Figure 6 Reinforcing steel bar structure schematic view of the present utility model;

[0022] Figure 7 Connecting steel bar structure schematic view of the present utility model.

[0023] In the drawing: 1, prestressed hollow composite slab; 2, hollow hole;

[0024] 3, connecting assembly; 31, connecting steel bar; 32, jack; 33, reset slot; 34, spring slot; 35, spring; 36, clamping plate; 37, operating rod;

[0025] 4, first reinforcing member; 41, reinforcing steel bar; 42, clamping slot;

[0026] 5, second reinforcing member. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0028] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0029] Please refer to Figures 1-7 The present utility model provides a technical solution:

[0030] The utility model provides a kind of laminated slab anti-cracking connecting assembly, including connecting assembly 3, connecting assembly 3 is arranged in prestressed hollow laminated slab 1 inside, first reinforcing member 4 is clamped in connecting assembly 3 inside, prestressed hollow laminated slab 1 inside is provided with hollow hole 2, second reinforcing member 5 is set in connecting assembly 3 inside, connecting assembly 3 includes connecting steel bar 31, the insertion hole 32 is set in connecting steel bar 31 inside, reset slot 33 is set in connecting steel bar 31 inside, spring slot 34 is set in connecting steel bar 31 inside, connecting steel bar 31 side of spring slot 34 set is fixedly connected with spring 35, spring 35 side is fixedly connected with clamping plate 36, clamping plate 36 side is fixedly connected with operating lever 37, first reinforcing member 4 includes reinforcing steel bar 41, reinforcing steel bar 41 end close to clamping plate 36 is provided with clamping slot 42.

[0031] As a further embodiment of the present scheme, the hollow hole 2 penetrates the inside of the prestressed hollow laminated slab 1, the second reinforcing member 5 and the first reinforcing member 4 are embedded in the inside of the prestressed hollow laminated slab 1, the second reinforcing member 5 and the reinforcing steel bar 41 are the same shape, the structural arrangement of the second reinforcing member 5 is opposite to that of the reinforcing steel bar 41, the second reinforcing member 5 and the reinforcing steel bar 41 are surrounded outside the hollow hole 2, the number of hollow holes 2 is the same as the number of first reinforcing members 4, the number of first reinforcing members 4 is the same as the number of second reinforcing members 5, the first reinforcing members 4 and the second reinforcing members 5 are equidistantly arranged inside the prestressed hollow laminated slab 1, by making the second reinforcing member 5 and the reinforcing steel bar 41 the same shape but opposite structural arrangement, symmetric mechanical support is achieved, which enhances the overall stability outside the hollow hole 2, this symmetrical layout helps to evenly distribute the load and reduce local stress concentration, by ensuring the number of hollow holes 2, first reinforcing members 4 and second reinforcing members 5 is consistent and equidistantly arranged, the uniformity and symmetry of the structure are achieved, which helps to more evenly distribute the load and stress, reduce structural deformation, and improve the overall stability and crack resistance of the prestressed hollow laminated slab 1;

[0032] As a further embodiment of the present scheme, the clamping slot 42 is set in the shape of a right triangular body, the middle end of the reinforcing steel bar 41 is inside the middle end of the insertion hole 32, the middle end of the second reinforcing member 5 is inside the middle end of the insertion hole 32, which facilitates each clamping plate 36 to be clamped inside the clamping slot 42 on the reinforcing steel bar 41 and the clamping slot 42 on the second reinforcing member 5, achieving the fixing effect of the first reinforcing member 4 and the second reinforcing member 5, and facilitating the later pouring of the prestressed hollow laminated slab 1;

[0033] As a further implementation of the present scheme, the shape of the card plate 36 is composed of a rectangular body and a triangular body, the triangular body of the card plate 36 is engaged in the inside of the card slot 42, the second reinforcing member 5 is engaged with the card plate 36 through the card slot 42, the reset slot 33 and the spring slot 34 are both rectangular bodies, the reset slot 33, the spring slot 34 and the jack 32 are communicated, the card plate 36 slides in the inside of the spring slot 34, the operating rod 37 is partially installed in the inside of the reset slot 33, and one end of the operating rod 37 protrudes to connect the outside of the steel bar 31. This design not only enhances the connection strength of the structure, but also simplifies the assembly and disassembly operation in the construction process, and improves the construction efficiency.

[0034] Work flow: When reducing the connection difficulty of the connecting assembly and improving the crack resistance of the prestressed hollow composite slab 1, first, the connecting assembly is assembled, the two ends of the reinforcing steel bar 41 are upward, the two ends of the reinforcing steel bar 41 are respectively inserted into the jacks 32 of the two connecting steel bars 31, when the reinforcing steel bar 41 slides into the jacks 32 and contacts the card plate 36, the triangular end of the card plate 36 protrudes into the jack 32, under the extrusion of the reinforcing steel bar 41, the card plate 36 and the operating rod 37 are extruded and moved at the same time, the spring 35 slides into the spring slot 34, the operating rod 37 slides into the reset slot 33, the card plate 36 extrudes the spring 35, the spring 35 elastically deforms, when the card plate 36 is aligned with the card slot 42 of the reinforcing steel bar 41, under the action of the spring force of the spring 35, the triangular end of the card plate 36 is engaged into the inside of the card slot 42, when the two ends of the reinforcing steel bar 41 are respectively connected and fixed with the connecting steel bars 31, at this time, the second reinforcing member 5 is installed, the two ends of the second reinforcing member 5 are downward, and the second reinforcing member 5 is installed between the two connecting steel bars 31 in the above-mentioned operation mode, the second reinforcing member 5 after installation can be disassembled by pulling the operating rod 37, by making the second reinforcing member 5 and the reinforcing steel bar 41 have the same shape but opposite structure, symmetrical mechanical support is realized, the overall stability of the outside of the hollow hole 2 is enhanced, at this time, the second reinforcing member 5 and the reinforcing steel bar 41 can be fixed with the two connecting steel bars 31, according to the above operation, the second reinforcing member 5 and the first reinforcing member 4 are installed, and then they are equally distributed, a partition is erected between the second reinforcing member 5 and the first reinforcing member 4, the prestressed hollow composite slab 1 is poured between them, and then the partition is removed to form the hollow hole 2, at this time, the hollow hole 2 is between the second reinforcing member 5 and the first reinforcing member 4, the overall strength of the prestressed hollow composite slab 1 is improved, and the crack resistance of the prestressed hollow composite slab 1 is improved, the crack risk caused by load, temperature change, volume expansion and shrinkage and uneven settlement is reduced, and the difficulty of connecting assembly construction is reduced.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A crack resistant connection assembly for laminated wood panels comprising a connection assembly (3), characterized in that: The connecting assembly (3) is arranged on the inner side of the prestressed hollow composite slab (1), the first reinforcing member (4) is clamped on the inner side of the connecting assembly (3), the hollow hole (2) is arranged on the inner side of the prestressed hollow composite slab (1), and the second reinforcing member (5) is arranged on the inner side of the connecting assembly (3). The connecting assembly (3) comprises a connecting steel bar (31), the connecting steel bar (31) is provided with a plug hole (32) on the inner side, the connecting steel bar (31) is provided with a reset slot (33) on the inner side, the connecting steel bar (31) is provided with a spring slot (34) on the inner side, one side of the spring slot (34) of the connecting steel bar (31) is fixedly connected with a spring (35), one side of the spring (35) is fixedly connected with a clamping plate (36), one side of the clamping plate (36) is fixedly connected with an operating rod (37), the first reinforcing member (4) comprises a reinforcing steel bar (41), and one end of the reinforcing steel bar (41) close to the clamping plate (36) is provided with a clamping groove (42).

2. The crack-resistant connection assembly for a laminated slab according to claim 1, characterized in that: The hollow hole (2) penetrates the inner side of the prestressed hollow composite slab (1), and the second reinforcing member (5) and the first reinforcing member (4) are embedded in the inner side of the prestressed hollow composite slab (1).

3. The crack-resistant connection assembly of claim 1, wherein: The second reinforcing member (5) and the reinforcing steel bar (41) are the same in shape, the structural arrangement of the second reinforcing member (5) is opposite to that of the reinforcing steel bar (41), and the second reinforcing member (5) and the reinforcing steel bar (41) are surrounded on the outer side of the hollow hole (2).

4. The crack-resistant connection assembly of claim 1, wherein: The number of the hollow hole (2) is the same as that of the first reinforcing member (4), the number of the first reinforcing member (4) is the same as that of the second reinforcing member (5), and the first reinforcing member (4) and the second reinforcing member (5) are arranged equidistantly in the prestressed hollow composite slab (1).

5. The crack resistant connection assembly for a composite panel of claim 1, wherein: The clamping groove (42) is a right triangular body, the middle end of the reinforcing steel bar (41) is arranged in the middle end of the plug hole (32), and the middle end of the second reinforcing member (5) is arranged in the middle end of the plug hole (32).

6. The crack resistant connection assembly of claim 1, wherein: The clamping plate (36) is a rectangular body and a triangular body, one end of the triangular body of the clamping plate (36) is clamped in the clamping groove (42), and the second reinforcing member (5) is clamped with the clamping plate (36) through the clamping groove (42).

7. The crack resistant connection assembly of claim 1, wherein: The reset slot (33) and the spring slot (34) are both rectangular bodies, the reset slot (33), the spring slot (34) and the plug hole (32) are communicated, the clamping plate (36) slides on the inner side of the spring slot (34), the operating rod (37) is partially arranged in the reset slot (33), and one end of the operating rod (37) protrudes from the outer side of the connecting steel bar (31).

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