Splicing connecting piece of laminated slab with self-locking function

Abstract

This invention relates to the field of building construction technology, specifically to a composite slab assembly connector with a self-locking function. It includes a connecting plate and a pressure plate fixedly welded to the upper end of a steel beam. The invention works by inserting a tie block into a pre-drilled hole, and then inserting a plug-in plate into a slotted hole, with teeth one and two interlocking to lock the plug-in plate, thereby fixing two adjacent composite slabs. One end of a connecting plate is fixed to the composite slab, and the other end is fixed with a fixing bolt, generating tension on the two connecting plates, thus pulling them closer and fixing them together. When the other end of the connecting plate is installed, a connecting rod is simultaneously fixed. The connecting plate at the outer end of the connecting rod is located above the pressure plate and fixed with a fixing bolt, further locking the pressure plate. Concrete can then be poured at the upper end of the composite slab, effectively connecting two adjacent composite slabs with strong overall integrity and preventing cracks in the concrete poured between adjacent composite slabs.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, specifically to a composite slab assembly connector with a self-locking function. Background Technology

[0002] As is well known, composite floor slabs are assembled monolithic floor slabs made by stacking precast slabs and cast-in-place reinforced concrete layers. Composite floor slabs have good integrity, and the upper and lower surfaces of the slab are flat, which facilitates the finishing layer decoration. They are suitable for high-rise buildings and large-span buildings with high requirements for overall rigidity.

[0003] Composite slabs refer to precast slabs that make up composite floor slabs, and they are widely used in the field of prefabricated building construction. In the current construction of composite slabs, they are usually laid one after another on walls or beams. However, it has been found that there is no effective connection between two adjacent composite slabs, resulting in poor overall integrity. At the same time, the concrete poured between two adjacent composite slabs is prone to cracking, which leads to poor practicality. Summary of the Invention

[0004] The purpose of this invention is to provide a self-locking assembly connector for composite plates to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a composite plate assembly connector with self-locking function, comprising: a connecting plate and a pressure plate fixedly welded to the upper end of a steel beam, a fixing groove welded to the middle part of the upper end of the connecting plate, a strip-shaped hole opened on one side of the upper end of the fixing groove, a movable plate slidably connected in the fixing groove through an installation component, and a tooth first fixedly installed at one end of the movable plate, the tooth first being located below the strip-shaped hole;

[0006] The upper left and right sides of the connecting plate are overlapped with composite plates, which are located on the left and right sides of the fixing groove. The upper left and right sides of the composite plates are respectively provided with several reserved holes and several sets of pre-embedded screws. The lower left and right sides of the pressure plate are fixedly installed with tie blocks corresponding to the reserved holes. The inner end of the tie block is inclined from top to bottom. The lower end of the pressure plate is fixedly installed with a plug plate corresponding to the strip hole. Several teeth are evenly fixedly installed on one end of the plug plate. When the tie block is inserted into the reserved hole, the plug plate is inserted into the strip hole, and teeth one and teeth two interlock with each other.

[0007] Preferably, the mounting component includes a plurality of sliding holes evenly spaced on the movable plate, and a guide post is slidably connected in each sliding hole. One end of the guide post is fixedly installed on the inner wall of the fixing groove, and the other end passes through the sliding hole and is fixedly installed with a fixing plate, which is fixed at the opening of the fixing groove.

[0008] Preferably, a plurality of springs are uniformly fixedly installed on the end of the fixed plate near the movable plate, and the end of the spring away from the fixed plate is fixedly connected to the movable plate. The movable plate can slide in the fixed groove by compressing the spring. When the spring is in a balanced state, the tooth is located directly below the strip hole.

[0009] Preferably, reinforcing rods are fixedly installed on both the left and right sides of the upper end of the plug plate, and the upper end of the reinforcing rods is fixedly connected to the lower end of the pressure plate. The sum of the thickness of the tooth and the thickness of the plug plate is less than the width of the strip hole.

[0010] Preferably, the upper end of the first tooth is provided with a guide slope, and the lower end of the second tooth is provided with a guide slope.

[0011] Preferably, the upper end of the composite plate is provided with several docking plates, which are L-shaped. One end of the docking plate is evenly provided with several fixing holes corresponding to the pre-embedded screws, and the other end of the docking plate is evenly provided with several fixing holes. One end of the docking plate is placed on the upper end of the composite plate and the fixing holes are connected to the outside of the pre-embedded screws and fixed by nuts.

[0012] Preferably, the other ends of the two adjacent mating plates are arranged in parallel, and the centers of the two fixing holes are located on the same horizontal line and are fixed by a fixing bolt. One end of the fixing bolt passes through the two fixing holes and is threaded with a nut.

[0013] Preferably, a connecting rod is provided between two adjacent mating plates, and a plurality of fixing holes three corresponding to fixing holes two are evenly opened in the middle part of the connecting rod. When the connecting rod is located between two mating plates, fixing bolt one passes through fixing holes three.

[0014] Preferably, two connecting strips are fixedly installed at both ends of the connecting rod, and the connecting strips and the connecting rod form a Y shape.

[0015] Preferably, the end of the connecting strip away from the connecting rod is located at the upper end of the pressure plate, and a number of bolt holes are evenly provided at the end of the connecting strip away from the connecting rod. A number of threaded holes corresponding to the bolt holes are provided at the upper end of the pressure plate, and the connecting strip is fixed to the upper end of the pressure plate by fixing bolts.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] This invention fixes two adjacent composite plates by inserting the tie block into the pre-drilled hole and the plug plate into the slotted hole, with teeth one and two interlocking to lock the plug plate in place. One end of the butt plate is fixed to the composite plate, and the other end is fixed with a fixing bolt, which generates tension on the two butt plates, thereby pulling the two composite plates closer together and fixing them in place. When the other end of the butt plate is installed, the connecting rod is fixed at the same time. The connecting plate at the outer end of the connecting rod is located on the upper end of the pressure plate and is fixed with a fixing bolt, further locking the pressure plate. Concrete can then be poured on the upper end of the composite plates, effectively connecting the two adjacent composite plates, resulting in strong overall integrity and preventing cracks from forming in the concrete poured between the two adjacent composite plates. Attached Figure Description

[0018] Figure 1 This is a front view of the overall structure of the present invention;

[0019] Figure 2 This is a front view of the overall structure of the present invention;

[0020] Figure 3 This is a front view of the overall structure of the present invention;

[0021] Figure 4 This is a front view of the overall structure of the present invention;

[0022] Figure 5 This is a partial schematic diagram of the present invention;

[0023] Figure 6 This is a schematic diagram of the guide post of the present invention;

[0024] Figure 7 This is a partial schematic diagram of the present invention;

[0025] Figure 8 This is a partial schematic diagram of the present invention.

[0026] In the diagram: 1. Steel beam; 2. Connecting plate; 3. Fixing groove; 4. Fixing plate; 5. Strip hole; 6. Moving plate; 7. Sliding hole; 8. Tooth 1; 9. Guide column; 10. Spring; 11. Composite plate; 12. Reserved hole; 13. Embedded screw; 14. Butt plate; 15. Fixing hole 1; 16. Fixing hole 2; 17. Fixing bolt 1; 18. Connecting rod; 19. Fixing hole 3; 20. Connecting strip; 21. Bolt hole; 22. Pressure plate; 23. Threaded hole; 24. Fixing bolt 2; 25. Insert plate; 26. Tooth 2; 27. Reinforcing rod; 28. Tie block. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see Figures 1 to 8 This invention provides a technical solution: a composite plate assembly connector with self-locking function, comprising: a connecting plate 2 and a pressure plate 22 fixedly welded to the upper end of a steel beam 1; a fixing groove 3 welded to the middle of the upper end of the connecting plate 2; a strip-shaped hole 5 opened on one side of the upper end of the fixing groove 3; a movable plate 6 slidably connected to the fixing groove 3 through an installation component; a tooth 8 fixedly installed at one end of the movable plate 6, the tooth 8 being located below the strip-shaped hole 5; the installation component includes a plurality of sliding holes 7 evenly opened on the movable plate 6, the sliding holes 7 being circular; a guide post 9 slidably connected in each sliding hole 7; one end of the guide post 9 fixedly installed on the inner wall of the fixing groove 3; the other end passing through the sliding hole 7 and fixedly installed with a fixing plate 4; the fixing plate 4 being fixed at the opening of the fixing groove 3; the outer end of the movable plate 6 being slidably connected to the inner wall of the fixing groove 3; when the movable plate 6 moves, the sliding hole 7 slides on the guide post 9, guiding and limiting the movable plate 6.

[0029] Several springs 10 are evenly fixedly installed on one end of the fixed plate 4 near the movable plate 6. The end of the spring 10 away from the fixed plate 4 is fixedly connected to the movable plate 6. The movable plate 6 can slide in the fixed groove 3 by squeezing the spring 10. When the spring 10 is in a balanced state, the tooth 8 is located directly below the strip hole 5. The elastic potential energy of the spring 10 is greater than the frictional resistance encountered by the movable plate 6 when it moves. Therefore, when the movable plate 6 is not subjected to external force, the spring 10 can quickly reset the movable plate 6.

[0030] The upper left and right sides of the connecting plate 2 are overlapped with composite plates 11. The composite plates 11 are located on the left and right sides of the fixing groove 3. The upper left and right sides of the composite plates 11 are respectively provided with several reserved holes 12 and several sets of pre-embedded screws 13. The lower left and right sides of the pressure plate 22 are fixedly installed with pull blocks 28 corresponding to the reserved holes 12. The inner end of the pull block 28 has a slope that slopes from top to bottom. When the pull block 28 is inserted into the reserved hole 12, the slope exerts an inward pulling force on the two composite plates 11. The lower end of the pressure plate 22 is fixedly installed with a plug plate 25 corresponding to the strip hole 5. The upper left and right sides of the plug plate 25 are fixedly installed with reinforcing rods 27. The upper end of 7 is fixedly connected to the lower end of the pressure plate 22 to strengthen the plug plate 25. Several teeth 26 are evenly fixedly installed on one end of the plug plate 25. The sum of the thickness of the teeth 26 and the plug plate 25 is less than the width of the strip hole 5. The upper end of the tooth 8 is provided with a guide slope, and the lower end of the tooth 26 is provided with a guide slope to facilitate pushing the tooth 8 so that the tooth 8 and the tooth 26 can mesh with each other. When the pull block 28 is inserted into the reserved hole 12, the plug plate 25 is inserted into the strip hole 5, and the teeth 8 and the tooth 26 mesh with each other, locking the plug plate 25 and fixing the pressure plate 22 and the pull block 28, thereby fixing the two adjacent stacked plates 11.

[0031] Several mating plates 14 are provided on the upper end of the composite plate 11. The mating plates 14 are L-shaped. Several fixing holes 15 corresponding to the pre-embedded screws 13 are evenly opened on one end of the mating plate 14. Several fixing holes 2 16 are evenly opened on the other end of the mating plate 14. One end of the mating plate 14 is placed on the upper end of the composite plate 11 and the fixing holes 15 are sleeved on the outside of the pre-embedded screws 13 and fixed with nuts. One end of the mating plate 14 is fixed to the upper end of the composite plate 11. The other ends of two adjacent mating plates 14 are arranged in parallel and the centers of the fixing holes 2 16 are located on the same horizontal line. They are fixed with fixing bolts 17. One end of the fixing bolts 17 passes through two fixing holes 2 16 in sequence and is threaded with nuts. By tightening the nuts, a pulling force is generated on the two mating plates 14, thereby pulling the two composite plates 11 closer together and fixing them.

[0032] A connecting rod 18 is provided between two adjacent mating plates 14. Several fixing holes 19 corresponding to fixing holes 16 are evenly opened in the middle part of the connecting rod 18. When the connecting rod 18 is located between the two mating plates 14, fixing bolt 17 passes through fixing holes 19 to fix the connecting rod 18 between the two mating plates 14. Two connecting strips 20 are fixedly installed at both ends of the connecting rod 18. The connecting strips 20 and the connecting rod 18 form a Y shape. The end of the connecting strip 20 away from the connecting rod 18 is located at the upper end of the pressure plate 22. Several bolt holes 21 are evenly opened at the end of the connecting strip 20 away from the connecting rod 18. Several threaded holes 23 corresponding to bolt holes 21 are opened at the upper end of the pressure plate 22. The connecting strip 20 is fixed to the upper end of the pressure plate 22 by fixing bolt 24. Fixing bolt 24 passes through bolt holes 21 and is threaded to the inner wall of threaded hole 23 to fix the connecting strip 20 to the upper end of the pressure plate 22, further locking the pressure plate 22.

[0033] When this device is in operation, a connecting plate 2 and a fixing groove 3 are welded to the upper end of the steel beam 1. Then, one end of the composite plate 11 is overlapped on the upper end of the connecting plate 2. When the tie block 28 is inserted into the reserved hole 12, the plug plate 25 is inserted into the strip hole 5, and the teeth 1 8 and teeth 26 mesh with each other to lock the plug plate 25. At the same time, the pressure plate 22 and the tie block 28 are fixed, thereby fixing the two adjacent composite plates 11. One end of the butt plate 14 is placed on the upper end of the composite plate 11, and the fixing hole 15 is sleeved on the outside of the pre-embedded screw 13 and fixed with a nut. The fixing bolt 17 is then used to fix the plate. The two ends pass through two fixing holes 16 and are threaded with nuts. By tightening the nuts, a pulling force is generated on the two mating plates 14, thereby pulling the two composite plates 11 closer together and fixing them. When the other end of the mating plate 14 is installed, the connecting rod 18 is fixed at the same time. The connecting strip 20 at the outer end of the connecting rod 18 is located at the upper end of the pressure plate 22 and is fixed by fixing bolt 24, further locking the pressure plate 22. Concrete can then be poured at the upper end of the composite plate 11, effectively connecting the two adjacent composite plates 11, with strong integrity, and avoiding cracks in the concrete poured between the two adjacent composite plates 11.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A composite plate assembly connector with self-locking function, characterized in that: include: A connecting plate (2) and a pressure plate (22) are fixedly welded to the upper end of the steel beam (1). A fixing groove (3) is welded to the middle part of the upper end of the connecting plate (2). A strip hole (5) is opened on one side of the upper end of the fixing groove (3). A movable plate (6) is slidably connected in the fixing groove (3) through the installation component. A tooth (8) is fixedly installed at one end of the movable plate (6). The tooth (8) is located below the strip hole (5). The upper left and right sides of the connecting plate (2) are overlapped with a composite plate (11). The composite plate (11) is located on the left and right sides of the fixing groove (3). The upper left and right sides of the composite plate (11) are respectively provided with a number of reserved holes (12) and a number of pre-embedded screws (13). The lower left and right sides of the pressure plate (22) are fixedly installed with a tie block (28) corresponding to the reserved hole (12). The inner end of the tie block (28) is inclined from top to bottom. The lower end of the pressure plate (22) is fixedly installed with a plug plate (25) corresponding to the strip hole (5). A number of teeth two (26) are evenly fixedly installed on one end of the plug plate (25). When the tie block (28) is inserted into the reserved hole (12), the plug plate (25) is inserted into the strip hole (5), and teeth one (8) and teeth two (26) mesh with each other. The upper end of the composite plate (11) is provided with several docking plates (14). The docking plates (14) are L-shaped. One end of the docking plate (14) is evenly provided with several fixing holes (15) corresponding to the pre-embedded screws (13). The other end of the docking plate (14) is evenly provided with several fixing holes (16). One end of the docking plate (14) is placed on the upper end of the composite plate (11) and the fixing holes (15) are sleeved on the outside of the pre-embedded screws (13) and fixed by nuts. The other ends of the two adjacent docking plates (14) are arranged in parallel, and the center of the second fixing hole (16) is located on the same horizontal line and is fixed by the first fixing bolt (17). One end of the first fixing bolt (17) passes through the two second fixing holes (16) in sequence and is threaded with a nut. A connecting rod (18) is provided between two adjacent docking plates (14). Several fixing holes (19) corresponding to fixing holes two (16) are evenly opened in the middle part of the connecting rod (18). When the connecting rod (18) is located between two docking plates (14), fixing bolt one (17) passes through fixing hole three (19). Two connecting strips (20) are fixedly installed at both ends of the connecting rod (18), and the connecting strips (20) and the connecting rod (18) form a Y shape.

2. The self-locking composite plate assembly connector according to claim 1, characterized in that: The mounting component includes several sliding holes (7) evenly opened on the movable plate (6). Each sliding hole (7) is slidably connected to a guide post (9). One end of the guide post (9) is fixedly installed on the inner wall of the fixing groove (3), and the other end passes through the sliding hole (7) and is fixedly installed with a fixing plate (4). The fixing plate (4) is fixed at the opening of the fixing groove (3).

3. The self-locking composite plate assembly connector according to claim 2, characterized in that: Several springs (10) are evenly fixedly installed on one end of the fixed plate (4) near the moving plate (6). The end of the spring (10) away from the fixed plate (4) is fixedly connected to the moving plate (6). The moving plate (6) can slide in the fixed groove (3) by squeezing the spring (10). When the spring (10) is in a balanced state, the tooth (8) is located directly below the strip hole (5).

4. The self-locking composite plate assembly connector according to claim 1, characterized in that: The upper left and right sides of the plug plate (25) are fixedly installed with reinforcing rods (27). The upper end of the reinforcing rod (27) is fixedly connected to the lower end of the pressure plate (22). The sum of the thickness of the tooth (26) and the plug plate (25) is less than the width of the strip hole (5).

5. The self-locking composite plate assembly connector according to claim 4, characterized in that: The upper end of tooth one (8) is provided with a guide slope, and the lower end of tooth two (26) is provided with a guide slope.

6. The self-locking composite plate assembly connector according to claim 1, characterized in that: The end of the connecting strip (20) away from the connecting rod (18) is located at the upper end of the pressure plate (22). A number of bolt holes (21) are evenly provided at the end of the connecting strip (20) away from the connecting rod (18). A number of threaded holes (23) corresponding to the bolt holes (21) are provided at the upper end of the pressure plate (22). The connecting strip (20) is fixed to the upper end of the pressure plate (22) by fixing bolts (24).

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