Precast concrete laminated slab abutted seam connecting structure

Abstract

The utility model discloses an abutted seam connecting structure for prefabricated concrete laminated slabs, and relates to the technical field of building construction. Comprising a first prefabricated plate, a second prefabricated plate, a first assembling shell and a second assembling shell, multiple sets of mounting grooves are formed in the first assembling shell in a penetrating mode, multiple sets of connecting cylinders are arranged at the bottom end of the first assembling shell, and multiple sets of connecting shells are arranged on the outer side of a supporting shell. According to the concrete pouring device, by arranging the first assembling shell, the first assembling shell, the second assembling shell and the supporting shell, poured concrete can be stored, and the poured concrete can flow into the connecting cylinder to be connected with the positioning holes; and after concrete stored in the first assembling shell and the second assembling shell is solidified, anchoring steel bars inserted into the first assembling shell and the second assembling shell can be connected, the laying efficiency of the prefabricated slabs is effectively improved, the supporting shell and the connecting shell can be connected with concrete poured at the tops of the first prefabricated slab and the second prefabricated slab, and the stability of splicing connection of the prefabricated slabs is improved.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a joint connection structure for precast concrete composite slabs. Background Technology

[0002] Composite slabs are monolithic concrete slabs composed of precast prestressed thin slabs and cast-in-place concrete layers. They combine the advantages of prefabricated floor slabs and cast-in-place floor slabs, possessing high load-bearing capacity and stiffness, while also improving the crack resistance and integrity of the floor slab. Common types of composite slabs include prestressed concrete (flat) composite slabs, prestressed ribbed concrete composite slabs, prestressed concrete steel truss composite slabs, and prestressed concrete steel pipe truss composite slabs.

[0003] Currently, most existing composite slab splicing methods involve pre-installing anchor bars around the perimeter for on-site binding of the reinforcing bars between adjacent slabs to create joints, followed by formwork erection and pouring. This type of splicing structure with pre-installed anchor bars is cumbersome and requires secondary binding of the reinforcing bars, which not only slows down the laying efficiency of the composite slabs but also increases labor costs and economic expenses. To solve this technical problem, this utility model proposes a splicing connection structure for precast concrete composite slabs. Utility Model Content

[0004] The main purpose of this utility model is to provide a precast concrete composite slab splice connection structure, which can effectively solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A precast concrete composite slab joint connection structure includes a first precast slab, a second precast slab, a first assembly shell, and a second assembly shell. The first precast slab has multiple sets of positioning holes inside. The first assembly shell is fitted and connected to one side of the first precast slab. The first assembly shell has multiple sets of mounting grooves running through its interior. The bottom end of the first assembly shell is provided with multiple sets of connecting cylinders, which are fitted and movably connected to the positioning holes. The first assembly shell has multiple sets of support shells inside, and multiple sets of connecting shells are provided on the outer side of the support shells.

[0007] Preferably, the second precast slab and the first precast slab are precast composite slabs of the same size, and the top of the first precast slab is provided with multiple sets of arched steel bars.

[0008] Preferably, multiple sets of anchoring steel bars are provided through the outer side of the No. 1 precast slab, and the anchoring steel bars are respectively installed through the installation grooves inside the No. 1 assembly shell and the No. 2 assembly shell.

[0009] Preferably, the back of the first assembly shell is provided with multiple sets of locking blocks, and the interior of the second assembly shell is provided with connecting blocks.

[0010] Preferably, the connecting block has multiple sets of locking slots inside, and the locking slots are movably connected to the locking block.

[0011] Preferably, the height of the support shell is higher than the arched reinforcing bars that penetrate the top of the No. 1 and No. 2 precast slabs.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In this invention, by providing components such as a first assembly shell and a second assembly shell, the first assembly shell, the second assembly shell, and the support shell can store the poured concrete, and the poured concrete can flow into the interior of the connecting cylinder and connect with the positioning hole. After the concrete stored inside the first assembly shell and the second assembly shell solidifies, it can connect with the anchoring steel bars inserted inside, effectively improving the laying efficiency of the precast slab. The support shell and the connecting shell can be used to connect with the concrete poured on the top of the first precast slab and the second precast slab, increasing the stability of the precast slab joint connection.

[0014] In this utility model, by setting components such as locking blocks and locking slots, the locking blocks are connected and installed on the back of the first assembly shell, and the connecting block is set inside the second assembly shell. Thus, the locking blocks and the locking slots opened inside the connecting block are fitted and locked together, which facilitates the assembly and splicing of the first assembly shell and the second assembly shell to extend the length of use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a precast concrete composite slab joint connection structure according to the present invention.

[0016] Figure 2 This is a top view of precast slab No. 1 and precast slab No. 2, which are part of the precast concrete composite slab splice connection structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the No. 2 assembly shell structure of a precast concrete composite slab splice connection structure according to the present invention.

[0018] Figure 4 This is a schematic diagram of the No. 1 assembly shell structure of a precast concrete composite slab splice connection structure according to the present invention.

[0019] Figure 5 This utility model relates to a precast concrete composite slab joint connection structure. Figure 1 A magnified view of the local structure at point A.

[0020] In the diagram: 1. Precast slab No. 1; 2. Precast slab No. 2; 3. Arched steel bar; 4. Anchor steel bar; 5. Positioning hole; 6. Assembly shell No. 1; 7. Locking block; 8. Assembly shell No. 2; 9. Connecting block; 10. Locking groove; 11. Installation groove; 12. Connecting cylinder; 13. Support shell; 14. Connecting shell. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a precast concrete composite slab joint connection structure;

[0023] It includes a first precast slab 1, a second precast slab 2, a first assembly shell 6, and a second assembly shell 8. The first precast slab 1 has multiple sets of positioning holes 5 inside. The first assembly shell 6 is fitted and connected to one side of the first precast slab 1. The first assembly shell 6 has multiple sets of installation grooves 11 running through its interior. The bottom end of the first assembly shell 6 is provided with multiple sets of connecting cylinders 12, and the connecting cylinders 12 are fitted and movably connected to the positioning holes 5. The first assembly shell 6 has multiple sets of support shells 13 inside its interior. The outside of the support shells 13 is provided with multiple sets of connecting shells 14. The height of the support shells 13 is higher than the arched steel bars 3 running through the top of the first precast slab 1 and the second precast slab 2.

[0024] Both precast slab 1 and precast slab 2 have an oblique design on one side for fitting and assembling with one side of assembly shell 6 and assembly shell 8. Both precast slab 1 and precast slab 2 have through-holes 5 for fitting and connecting with connecting cylinder 12. The 5 positioning holes facilitate the assembly of assembly shell 6 and assembly shell 8 with precast slab 1 and precast slab 2 respectively. The mounting grooves 11 inside assembly shell 6 and assembly shell 8 allow the anchoring steel bars 4 on the outside of precast slab 1 and precast slab 2 to be inserted into the interior of assembly shell 6 and assembly shell 8 and arranged evenly.

[0025] When precast slab 1 and precast slab 2 are laid and then poured, the open-mouth design of assembly shell 6 and assembly shell 8 allows the concrete to be stored and flow into the interior of connecting cylinder 12. After the concrete stored inside assembly shell 6 and assembly shell 8 solidifies, it can connect to the anchor steel bars 4 inserted inside, effectively improving the laying efficiency of the precast slabs. The support shell 13 and connecting shell 14 can connect with the concrete poured on top of precast slab 1 and precast slab 2, increasing the stability of the precast slab joint connection.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a precast concrete composite slab joint connection structure;

[0027] Precast slab 2 and precast slab 1 are precast composite slabs of the same size. Multiple sets of arched steel bars 3 are installed through the top of precast slab 1. Multiple sets of anchoring steel bars 4 are installed through the outer side of precast slab 1. The anchoring steel bars 4 are installed through the installation grooves 11 and installed inside the first assembly shell 6 and the second assembly shell 8 respectively. Multiple sets of locking blocks 7 are provided on the back of the first assembly shell 6. A connecting block 9 is provided inside the second assembly shell 8. Multiple sets of locking grooves 10 are opened inside the connecting block 9, and the locking grooves 10 are engaged and movably connected with the locking blocks 7.

[0028] Precast slab 1 and precast slab 2 are precast composite slabs. The arched steel bars 3 set on the top of precast slab 1 and precast slab 2 can enhance the compressive strength and strength of the concrete poured on the top of precast slab 1 and precast slab 2. They are connected and installed on the back of the first assembly shell 6 through the locking block 7, and the connecting block 9 is set inside the second assembly shell 8. Then the locking block 7 and the locking groove 10 opened inside the connecting block 9 are fitted and locked together, which facilitates the assembly and splicing of the first assembly shell 6 and the second assembly shell 8 to extend the length of use.

[0029] When in use, after the No. 1 precast slab 1 and the No. 2 precast slab 2 are laid, the open-mouth design of the No. 1 assembly shell 6 and the No. 2 assembly shell 8 allows the No. 1 assembly shell 6, the No. 2 assembly shell 8 and the support shell 13 to store the poured concrete, and the poured concrete can flow into the interior of the connecting cylinder 12. After the concrete stored inside the No. 1 assembly shell 6 and the No. 2 assembly shell 8 solidifies, it can connect with the anchor steel bars 4 inserted inside, effectively improving the laying efficiency of the precast slabs. The support shell 13 and the connecting shell 14 can connect with the concrete poured on top of the No. 1 precast slab 1 and the No. 2 precast slab 2, increasing the stability of the precast slab joint connection.

[0030] The locking block 7 is installed on the back of the first assembly shell 6, and the connecting block 9 is located inside the second assembly shell 8. The locking block 7 and the locking slot 10 opened inside the connecting block 9 are fitted and locked together, which facilitates the assembly and splicing of the first assembly shell 6 and the second assembly shell 8 to extend the length of use.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A precast concrete composite slab joint connection structure, comprising a first precast slab (1), a second precast slab (2), a first assembly shell (6), and a second assembly shell (8), characterized in that: The first precast slab (1) has multiple sets of positioning holes (5) inside. The first assembly shell (6) is fitted and connected to one side of the first precast slab (1). The first assembly shell (6) has multiple sets of mounting grooves (11) through it. The bottom of the first assembly shell (6) is provided with multiple sets of connecting cylinders (12), and the connecting cylinders (12) are fitted and movably connected to the positioning holes (5). The first assembly shell (6) has multiple sets of support shells (13) inside it, and multiple sets of connecting shells (14) are provided on the outside of the support shells (13).

2. The precast concrete composite slab joint connection structure according to claim 1, characterized in that: The No. 2 precast slab (2) and the No. 1 precast slab (1) are precast composite slabs of the same size, and the top of the No. 1 precast slab (1) is provided with multiple sets of arched steel bars (3).

3. The precast concrete composite slab joint connection structure according to claim 2, characterized in that: Multiple sets of anchoring steel bars (4) are provided through the outer side of the No. 1 precast slab (1), and the anchoring steel bars (4) are respectively installed through the installation groove (11) inside the No. 1 assembly shell (6) and the No. 2 assembly shell (8).

4. The precast concrete composite slab joint connection structure according to claim 3, characterized in that: The back of the first assembly shell (6) is provided with multiple sets of locking blocks (7), and the interior of the second assembly shell (8) is provided with connecting blocks (9).

5. The precast concrete composite slab joint connection structure according to claim 4, characterized in that: The connecting block (9) has multiple sets of slots (10) inside, and the slots (10) are engaged and connected with the slot block (7).

6. The precast concrete composite slab joint connection structure according to claim 1, characterized in that: The height of the support shell (13) is higher than the top of the arched steel bars (3) that are installed through the top of the No. 1 precast slab (1) and the No. 2 precast slab (2).

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