Prefabricated slab connecting piece structure

Abstract

The utility model discloses a precast slab connecting piece structure, which comprises a socket plate and a spigot plate arranged on one side of the socket plate, and is characterized in that a connecting piece is arranged at the joint of the socket plate and the spigot plate, a bolt mounting hole is formed in the connecting piece, a high-strength bolt is arranged in the bolt mounting hole, and the socket plate is arranged on the socket plate. Lateral anchoring steel bars are arranged on the two sides of the connecting piece, and tail anchoring steel bars are arranged on one side of the connecting piece. The connecting structure can be simultaneously suitable for horizontal connection of floor slabs or vertical connection of wallboards, a high-strength bolt mechanical connection mode is adopted, the current situation that in an existing connection mode, steel bars still need to be extended outwards for post-pouring is solved, and construction efficiency and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated building technical field, concretely is a prefabricated slab connecting piece structure. BACKGROUND

[0002] Building industrialization is the inevitable direction of sustainable development of China's construction industry, is the important way of improving labor productivity, improving engineering quality and technological progress, realizing the transformation and upgrading of construction industry. Implementing building industrialization construction technology can greatly reduce the labor, shorten the construction period, improve the working conditions of workers, reduce the labor intensity, meet the requirements of "four saving and one environmental protection", is the only way for the transformation and development of China's construction enterprises and construction industry, and has developed vigorously in China.

[0003] The prefabricated floor is prefabricated in the factory, and then installed at the construction site. The prefabricated floor can be divided into prefabricated composite floor and prefabricated dry floor according to the different prefabricated degrees. The prefabricated composite floor refers to the floor along the thickness direction is divided into two parts, the bottom is the prefabricated bottom plate, and the upper part is the post-cast concrete composite layer. The prefabricated plate needs to extend the steel bars around, and can be poured after binding the rear frame in the post-cast area, forming a whole, which is complex and has many wet operations, seriously affecting the construction period and quality. The connection of the dry prefabricated plate still has no better connection mode, and has the problems of unreliable connection and complex construction. Therefore, we provide a prefabricated plate connecting piece structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a prefabricated plate connecting piece structure to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a prefabricated plate connecting piece structure, including the socket plate, the one side of socket plate is provided with the socket plate, its characterized in that, the connecting piece is provided at the connecting place of socket plate and socket plate, the inside of connecting piece is provided with bolt mounting hole, and the inside of bolt mounting hole is provided with high-strength bolt, the both sides of connecting piece are provided with lateral anchoring steel bars, the one side of connecting piece is provided with tail anchoring steel bar.

[0006] Preferably, the connecting piece is made of structural steel plate by welding or casting, and the inside of the connecting piece is divided into compartments by rib plates.

[0007] Preferably, the connecting piece, the socket plate and the socket plate are integrally cast and formed, and the connecting piece is arranged at the edge of the socket plate and the socket plate with a spacing of 400-2000mm.

[0008] Preferably, equal-interval reinforcing connecting plates are fixed on the outer walls of the two sides of the connecting piece.

[0009] Preferably, the tail anchoring steel bars are integrally formed with the connecting pieces by welding, and the tail anchoring steel bars are linear and form a "π" type connecting structure.

[0010] Preferably, the lateral anchoring steel bars are integrally formed with the connecting pieces by welding, and the lateral anchoring steel bars are linear and respectively extend to the inside of the bell mouth plate and the spigot plate.

[0011] Preferably, the bolt mounting holes are smooth hole walls, and the bolt mounting holes are matched with the high-strength bolts.

[0012] Preferably, the bottom end of the high-strength bolt is sleeved with a gasket nut, and the gasket nut is tightly attached to the connecting piece.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The prefabricated plate is mechanically connected through high-strength bolts, the connection is reliable and the stress is reasonable, when the floor plane produces dislocation damage under the action of an earthquake, damage generally only occurs at the connecting pieces, the connecting pieces can be processed during later repair, the repair is simple, and the connecting pieces can absorb most of the energy consumption, which is beneficial to structural seismic resistance; compared with the connection of a laminated slab, the outer extending steel bars are omitted, the amount of steel bars can be saved, and the cost is saved; automatic factory production can be realized, the production efficiency is high, and labor is saved; the degree of standardization is high, different modules can be freely combined, and is suitable for different spans; a full dry construction process can be used, on-site support and formwork can be omitted, mechanical dry connection is used, installation is simple, labor is saved, construction speed is fast, the construction period is greatly shortened, no pouring operation is needed, the upper layer construction is not affected, the on-site environment is good, and the environment is conducive to environmental protection; the floor can realize pipeline separation, space is saved, and later detection and maintenance are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0017] Figure 3 It is a top view structural schematic diagram of the utility model;

[0018] Figure 4 It is a local enlarged structural schematic diagram of the utility model;

[0019] Figure 5 It is a local enlarged structural schematic diagram of the utility model;

[0020] Figure 6 It is a local enlarged structural schematic diagram of the utility model;

[0021] Figure 7The partial enlarged structure schematic view of the utility model;

[0022] Figure 8 The partial enlarged structure schematic view of the utility model;

[0023] Figure 9 The partial enlarged structure schematic view of the utility model.

[0024] In the figure: 1, connecting piece; 102, tail anchoring steel bar; 103, lateral anchoring steel bar; 104, bolt mounting hole; 105, reinforced bonding plate; 106, rib plate; 2, socket plate; 3, spigot plate; 4, high-strength bolt; 5, gasket nut. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model protection.

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model protection.

[0027] Please refer to Figures 1-9 The utility model provides an embodiment: a prefabricated slab connecting piece structure, including socket plate 2, one side of socket plate 2 is provided with spigot plate 3, its characterized in that, the junction of socket plate 2 and spigot plate 3 is provided with connecting piece 1, the inside of connecting piece 1 is provided with bolt mounting hole 104, and the inside of bolt mounting hole 104 is provided with high-strength bolt 4, the both sides of connecting piece 1 are provided with lateral anchoring steel bar 103, one side of connecting piece 1 is provided with tail anchoring steel bar 102;

[0028] Specifically, the prefabricated slab is divided into socket plate 2 and spigot plate 3 according to different positions, the prefabricated slab and connecting piece 1 should be integrally poured into shape, connecting piece 1 should be arranged at the slab edge of prefabricated slab, and the interval can be determined according to the stress condition of component, and the general interval can be controlled between 400 ~ 2000mm, connecting piece 1 is formed by welding or casting of structural steel plate, adopts rib plate 106 to divide into compartments in the inside, ensures structural strength and realizes light weight;

[0029] The bolt mounting hole 104 can be provided with one or more, and can adopt one of a round hole or an oval hole. The hole wall can be provided with a bolt or a smooth through hole. The lateral anchoring steel bar 103 is integrally formed with the connecting piece 1 through welding;

[0030] The prefabricated plate on-site installation stage: when the prefabricated plate is used as a wall plate, the connecting piece 1 is arranged along the two side plates of the wall plate; when the prefabricated plate is used as a floor plate, it can be arranged around. First, install the socket plate 2. For waterproofing requirements, a groove can be provided on the tongue of the socket plate 2, and a conventional waterproof rubber strip is laid in the groove. Then install the socket plate 3, and extrude the waterproof rubber strip tightly through the socket plate 3;

[0031] The socket plate 3 is installed so that the bolt mounting hole 104 of the connecting piece 1 corresponds, then the high-strength bolt 4 is installed and tightened, and the installation of the two prefabricated plates is completed. After the prefabricated plate is installed, the plate joint can be glued or treated with anti-cracking mortar, and the connecting piece 1 of the socket plate 3 can be lower than the plate surface;

[0032] The high-strength bolt 4 is installed around the installation gap at the top, and an elastic rubber pad is pressed in; further, the installation hole of the high-strength bolt 4 can be sealed with self-compacting concrete;

[0033] The connecting piece 1 is made of structural steel plate by welding or casting, and the inside of the connecting piece 1 is divided into compartments by a rib plate 106; the connecting piece 1 is integrally cast with the socket plate 2 and the socket plate 3, and the connecting piece 1 is arranged on the plate edge of the socket plate 2 and the socket plate 3 with a spacing of 400-2000mm; the outer wall on both sides of the connecting piece 1 is fixed with equally spaced reinforcing connecting plates 105;

[0034] The tail anchoring steel bar 102 is integrally formed with the connecting piece 1 through welding, and the tail anchoring steel bar 102 is in a straight line and forms a “π” type connection structure; the lateral anchoring steel bar 103 is integrally formed with the connecting piece 1 through welding, and the lateral anchoring steel bar 103 is in a straight line and extends to the inside of the socket plate 2 and the socket plate 3 respectively;

[0035] The bolt mounting hole 104 is a smooth through hole, and the bolt mounting hole 104 cooperates with the high-strength bolt 4; the bottom end of the high-strength bolt 4 is sleeved with a gasket nut 5, and the gasket nut 5 is closely attached to the connecting piece 1;

[0036] The tail anchoring steel bar 102 can be in a straight line to form a “π” type connection, or can be in an angular form to enhance the anchoring capacity; the reinforcing connecting plate 105 is provided to enhance the bonding strength between the connecting piece 1 and the prefabricated plate, and the recess or pattern provided on the steel plate surface connected with the prefabricated plate can effectively improve the shear resistance of the connection;

[0037] The prefabricated slab is mechanically connected through high-strength bolts 4, the connection is reliable and the stress is reasonable, when the floor plane is damaged by the earthquake action, the damage generally occurs only at the connecting piece 1, the repair can be processed at the connecting piece 1 in the later repair, the repair is simple, and the connecting piece 1 can absorb most of the energy consumption, which is beneficial to the structure seismic resistance;

[0038] Compared with the connection of the laminated slab, the external reinforcing steel bars are omitted, the amount of reinforcing steel bars can be saved, the cost is saved, automatic factory production can be realized, the production efficiency is high, the labor is saved, the standardization degree is high, different modules can be freely combined, and is suitable for different spans, the full dry construction process can be used, the site can be free of support and formwork, the mechanical dry connection is used, the installation is simple, the labor is saved, the construction speed is fast, the construction period is greatly shortened, no pouring operation is needed, the upper layer construction is not affected, the site environment is good, and the environment is beneficial to the environment protection, the floor slab can realize pipeline separation, the space is saved, and the later detection and maintenance are facilitated;

[0039] The scheme can be suitable for the horizontal connection of the floor slab or the vertical connection of the wall slab, the mechanical connection mode of the high-strength bolt is used, the present situation that the external reinforcing steel bars are still needed for post-pouring is solved, the construction efficiency and reliability are improved, in addition, the connecting piece 1 can be connected through the high-strength bolt 4, riveting, welding or other connection forms.

[0040] In use, the embodiment of the application first divides the prefabricated plates into the socket plate 2 and the spigot plate 3 according to different positions, and the prefabricated plates and the connecting piece 1 should be integrally cast and formed, the connecting piece 1 is divided into grids by the rib plate 106 inside, to ensure the structural strength and realize the light weight; the prefabricated plate on-site installation stage: when the prefabricated plate is used as a wall plate, the connecting piece 1 is arranged along the two sides of the wall plate; when the prefabricated plate is used as a floor slab, it can be arranged around. First, install the socket plate 2, for the case with waterproof requirements, a groove can be arranged on the socket of the socket plate 2, and a common waterproof rubber strip is laid in the groove, then install the spigot plate 3, and the waterproof rubber strip is extruded tightly through the spigot plate 3. The installation of the spigot plate 3 should make the bolt mounting hole 104 of the connecting piece 1 correspond, then install the high-strength bolt 4, and tighten the high-strength bolt 4, to complete the installation of the two prefabricated plates. After the installation of the prefabricated plate is completed, the joint between the plates can be glued or treated with anti-cracking mortar, the connecting piece 1 of the spigot plate 3 can be lower than the plate surface, and an elastic rubber pad is pressed into the installation gap around the top of the high-strength bolt 4. Further, the mounting hole of the high-strength bolt 4 can be sealed with self-compacting concrete. By using the scheme of the application, the prefabricated plates are mechanically connected through the high-strength bolt 4, the connection is reliable and the stress is reasonable, when the floor slab plane is damaged by the earthquake, damage generally only occurs at the connecting piece 1, the connecting piece 1 can be treated during the later repair, the repair is simple, and the connecting piece 1 can absorb most of the energy, which is beneficial to the structure anti-seismic; compared with the connection of the laminated slab, the outer steel bars are omitted, the amount of steel bars can be saved, and the cost is saved; automatic factory production can be realized, the production efficiency is high, and the labor is saved; the standardization degree is high, different modules can be freely combined, and it is suitable for different spans; the full dry construction process can realize on-site free support and free formwork, mechanical dry connection, simple installation, saving labor; the construction speed is fast, the construction period is greatly shortened, no pouring operation is needed, the upper construction is not affected, the on-site environment is good, and it is beneficial to environmental protection; the floor slab can realize pipeline separation, save space, and facilitate later detection and maintenance.

[0041] Obviously, the above-described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the application.

Claims

1. A precast panel connection structure comprising a socket panel (2) provided with a spigot panel (3) on one side, characterized in that, The connecting part (1) is provided with bolt mounting holes (104) inside, and the inside of the bolt mounting holes (104) is provided with high-strength bolts (4), the two sides of the connecting part (1) are provided with lateral anchoring steel bars (103), and one side of the connecting part (1) is provided with a tail anchoring steel bar (102).

2. A precast panel connector structure according to claim 1, wherein: The connecting part (1) is made of structural steel plate by welding or casting, and the inside of the connecting part (1) is divided into grids by rib plates (106).

3. A precast panel connector structure according to claim 1, wherein: The connecting part (1) is integrally poured and formed with the socket plate (2) and the spigot plate (3), and the connecting part (1) is arranged at the edge of the socket plate (2) and the spigot plate (3) with a spacing of 400-2000mm.

4. A precast panel connector assembly according to claim 1 wherein: The outer walls of the two sides of the connecting part (1) are fixed with equally spaced reinforcing connecting plates (105).

5. A precast panel connector assembly according to claim 1 wherein: The tail anchoring steel bar (102) is integrally formed with the connecting part (1) by welding, and the tail anchoring steel bar (102) is linear and forms a "π" type connecting structure.

6. A precast panel connector structure according to claim 1 wherein: The lateral anchoring steel bars (103) are integrally formed with the connecting part (1) by welding, and the lateral anchoring steel bars (103) are linear and respectively extend to the inside of the socket plate (2) and the spigot plate (3).

7. A precast panel connector assembly according to claim 1 wherein: The bolt mounting holes (104) are through holes with smooth hole walls, and the bolt mounting holes (104) are matched with the high-strength bolts (4).

8. A precast panel connector assembly according to claim 1 wherein: The bottom end of the high-strength bolt (4) is sleeved with a gasket nut (5), and the gasket nut (5) is closely attached to the connecting part (1).

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