Building prefabricated floor slab reinforcing and connecting structure
By setting up filling grooves and reinforcement holes at the connections of prefabricated floor slabs, fixing reinforcement strips with reinforcement blocks and bolts, and filling mud with mud, the problem of easy dislocation at the connections of prefabricated floor slabs is solved, and a more stable connection structure is achieved.
Patent Information
- Application Number
- CN202422393436.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-30
AI Technical Summary
When splicing existing prefabricated floor slabs, misalignment is prone to occur at the connections, resulting in cracks that may occur in the grout poured at the joints, resulting in the unstable floor slabs and pose safety hazards.
Filling grooves and reinforcement holes are provided at the connection of prefabricated floor slabs. By combining reinforcement blocks and bolts, the reinforcement strips are fixed to the connection and poured into mud to reinforce the connection. Additional support is provided by reinforcement strips and support frames to prevent misalignment.
It effectively avoids misalignment at the connections of prefabricated floor slabs, enhances the stability and safety of the connection, and ensures the firmness of prefabricated floor slabs.
Smart Images

Figure CN223119623U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building board processing, and particularly relates to a reinforced connection structure for a precast floor slab of a building. Background Art
[0002] A precast floor slab is the floor slab used in buildings in the early 20th century. It is a module or plate to be used in a project and is a precast concrete component processed and formed in a precast yard. It is directly transported to the construction site for installation. Precast floor slabs are often spliced and used in building projects.
[0003] Nowadays, when precast floor slabs are spliced, the joints are connected by grouting. When an earthquake occurs, the joints between adjacent precast floor slabs are prone to dislocation, resulting in possible cracks in the grouting poured at the joints, making the precast floor slabs unstable and causing safety accidents. Therefore, to solve the above defects, the inventor of the present invention proposes a reinforced connection structure for a precast floor slab of a building. Summary of the Utility Model
[0004] The main purpose of the utility model is to provide a reinforced connection structure for a precast floor slab of a building, which can effectively solve the problem that the joints of the precast floor slabs in the prior art are prone to dislocation.
[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] A reinforced connection structure for a precast floor slab of a building includes two precast floor slabs and a reinforcement bar arranged on the top surface of a building wall for reinforcing the joints of the two precast floor slabs. A filling groove is formed at the joint of the two precast floor slabs, and a plurality of reinforcement holes are formed inside the filling groove. Two connection blocks are fixedly installed inside the reinforcement holes, and a fixing block is fixedly installed on one side of each of the two connection blocks. Fixing holes are formed on one side of each of the two fixing blocks. A plurality of reinforcement blocks are arranged on the bottom surface of the reinforcement bar, and connection holes are formed on both sides of the outer surface of each reinforcement block.
[0007] Preferably, a moving groove is formed on the bottom surface of the reinforcement bar, a sliding rod is fixedly installed inside the moving groove, and a plurality of reinforcement blocks are slidably connected to the sliding rod. A plurality of positioning holes are formed on both sides of the outer top surface of the reinforcement bar, and through holes corresponding to the positioning holes are formed on both sides of the top surface of each reinforcement block.
[0008] Preferably, fixing plates are fixedly installed on both sides of the outer surface of the reinforcement bar, and a plurality of installation holes are formed on the top surface of each of the two fixing plates. A plurality of fastening holes are formed on both sides inside the filling groove.
[0009] Preferably, support frames are fixedly installed on both sides of the building wall. One side inside the support frame is rotatably connected to a threaded rod. One side inside the support frame is slidably connected to an extension plate, and the extension plate is threadedly connected to the threaded rod. One side inside the support frame is rotatably connected to a rotating rod, and a vertical bevel gear is fixedly installed at one end of the rotating rod inside the support frame. A horizontal bevel gear is fixedly installed on one side of the outer surface of the threaded rod, and the horizontal bevel gear meshes with the vertical bevel gear.
[0010] Preferably, a telescopic sleeve is hinged to one side of the outer surface of the support frame. An extension rod is slidably connected inside the telescopic sleeve, and the extension rod is hinged to the extension plate. A plurality of locking holes are formed on the outer surface of the extension rod, and a limiting hole is formed on one side of the outer surface of the telescopic sleeve.
[0011] Preferably, the size of the locking hole is the same as that of the limiting hole.
[0012] Compared with the prior art, the present utility model has the following beneficial effects:
[0013] The present utility model discloses a reinforced connection structure for a building precast floor slab. During actual work, by setting the reinforcement adjustment, move a plurality of reinforcement blocks, and fix the moved reinforcement blocks with bolts. Then insert the reinforcement blocks into the reinforcement holes, so that the fixing holes can coincide with the connection holes, and a plurality of installation holes will coincide with a plurality of fastening holes. Insert bolts in sequence, and the reinforcement strip can be installed at the connection of two precast floor slabs. Then pour slurry into the filling groove, thereby facilitating the reinforcement of the connection of two precast floor slabs and effectively avoiding dislocation at the connection of two precast floor slabs. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0015] Figure 2 is a schematic diagram of the structure of the reinforcement hole of the present utility model;
[0016] Figure 3 is a schematic diagram of the structure of the reinforcement strip of the present utility model;
[0017] Figure 4 is a schematic diagram of the structure of the filling groove of the present utility model;
[0018] Figure 5 is a schematic cross-sectional view of the support frame of the present utility model.
[0019] In the figure: 1, building wall; 2, precast floor slab; 3, reinforcement strip; 4, support frame; 201, filling groove; 202, reinforcement hole; 203, connecting block; 204, fixing block; 205, fixing hole; 301, reinforcement block; 302, sliding rod; 303, positioning hole; 304, connecting hole; 305, moving groove; 306, fixing plate; 307, mounting hole; 308, fastening hole; 401, threaded rod; 402, horizontal bevel gear; 403, rotating rod; 404, vertical bevel gear; 405, extension plate; 406, extension rod; 407, telescopic sleeve; 408, locking hole; 409, limiting hole. Detailed implementation manner
[0020] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation manners.
[0021] The present utility model discloses a building precast floor slab reinforcement connection structure, as Figures 1-5 shown, including two precast floor slabs 2 and a reinforcement strip 3 arranged on the top surface of the building wall 1, used for reinforcing the connection part of the two precast floor slabs 2. A filling groove 201 is opened at the connection part of the two precast floor slabs 2, and a plurality of reinforcement holes 202 are opened inside the filling groove 201.
[0022] Two connecting blocks 203 are fixedly installed inside the reinforcement holes 202, and a fixing block 204 is fixedly installed on one side of each of the two connecting blocks 203. A fixing hole 205 is opened on one side of each of the two fixing blocks 204. A plurality of reinforcement blocks 301 are arranged on the bottom surface of the reinforcement strip 3. Connecting holes 304 are opened on both sides of the outer surface of the reinforcement block 301. When the reinforcement block 301 is inserted into the reinforcement hole 202, the two connecting blocks 203 will be inserted into the inside of the reinforcement block 301. At this time, the connecting hole 304 will coincide with the fixing hole 205, and then a bolt is inserted to fix the reinforcement block 301 inserted into the reinforcement hole 202.
[0023] A moving groove 305 is opened on the bottom surface of the reinforcement strip 3. A sliding rod 302 is fixedly installed inside the moving groove 305, and a plurality of reinforcement blocks 301 are all slidably connected with the sliding rod 302. The reinforcement block 301 can move along the sliding rod 302 to adjust the distance between the plurality of reinforcement blocks 301 so as to be able to correspond to the reinforcement holes 202 with different distances.
[0024] A plurality of positioning holes 303 are opened on both sides of the outer top surface of the reinforcement strip 3, and through holes corresponding to the positioning holes 303 are opened on both sides of the top surface of the reinforcement block 301. When the reinforcement block 301 moves, the through holes on the top surface of the reinforcement block 301 will coincide with the positioning holes 303, and a bolt is inserted to fix the moved reinforcement block 301.
[0025] On both sides of the outer surface of the reinforcement strip 3, fixing plates 306 are fixedly installed, and a plurality of mounting holes 307 are formed in the top surfaces of the two fixing plates 306. A plurality of fastening holes 308 are formed in both sides of the interior of the filling groove 201. After a plurality of reinforcement blocks 301 are inserted into the reinforcement holes 202, the plurality of mounting holes 307 will coincide with the plurality of fastening holes 308. Inserting bolts into the coincident mounting holes 307 and fastening holes 308 can fix the reinforcement strip 3 in the filling groove 201. Cooperating with the reinforcement blocks 301 inserted into the reinforcement holes 202, the connection between the two precast floor slabs 2 can be reinforced.
[0026] Support frames 4 are fixedly installed on both sides of the building wall 1. The support frames 4 can contact the bottom surface of the precast floor slab 2 to support the precast floor slab 2. A threaded rod 401 is rotatably connected to one side of the interior of the support frame 4. An extension plate 405 is slidably connected to one side of the interior of the support frame 4, and the extension plate 405 is threadedly connected to the threaded rod 401. When the threaded rod 401 rotates, the extension plate 405 can be moved to increase the area of contact with the bottom surface of the precast floor slab 2.
[0027] A rotating rod 403 is rotatably connected to one side of the interior of the support frame 4, and a vertical bevel gear 404 is fixedly installed at one end of the rotating rod 403 located inside the support frame 4. A horizontal bevel gear 402 is fixedly installed on one side of the outer surface of the threaded rod 401, and the horizontal bevel gear 402 meshes with the vertical bevel gear 404. Rotating the rotating rod 403 can drive the vertical bevel gear 404 to rotate, and then drive the horizontal bevel gear 402 to rotate.
[0028] A telescopic sleeve 407 is hinged to one side of the outer surface of the support frame 4. An extension rod 406 is slidably connected to the interior of the telescopic sleeve 407. The extension rod 406 can move inside the telescopic sleeve 407, and the extension rod 406 is hinged to the extension plate 405. A plurality of locking holes 408 are formed in the outer surface of the extension rod 406. A limiting hole 409 is formed in one side of the outer surface of the telescopic sleeve 407. When the extension rod 406 moves inside the telescopic sleeve 407, the plurality of locking holes 408 will coincide with the limiting hole 409 in sequence. Inserting a bolt into the coincident limiting hole 409 and locking hole 408 can fix the extension rod 406 in the current position.
[0029] The working principle of the present utility model is as follows: Move multiple reinforcing blocks 301 to adjust the spacing between the multiple reinforcing blocks 301 so as to be able to correspond to reinforcing holes 202 with different spacings, and fix the moved reinforcing blocks 301 with bolts. Then insert the reinforcing blocks 301 into the reinforcing holes 202, and the fixing holes 205 can coincide with the connecting holes 304, and then fix them with bolts, so that the reinforcing blocks 301 can be fixed in the reinforcing holes 202. During this process, multiple mounting holes 307 will coincide with multiple fastening holes 308. Insert bolts in sequence, and the reinforcing strip 3 can be installed at the connection of two precast floor slabs 2. After that, pour slurry into the filling groove 201 to complete the connection of the two precast floor slabs 2.
[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A reinforced connection structure for precast floor slabs of a building, comprising two precast floor slabs (2) and a reinforcement bar (3) arranged on the top surface of a building wall (1) for reinforcing the connection between the two precast floor slabs (2), characterized in that: A filling groove (201) is provided at the connection of the two precast floor slabs (2), and a plurality of reinforcing holes (202) are provided inside the filling groove (201). Two connecting blocks (203) are fixedly installed inside the reinforcing holes (202), and a fixing block (204) is fixedly installed on one side of each of the two connecting blocks (203). Fixing holes (205) are provided on one side of each of the two fixing blocks (204). A plurality of reinforcing blocks (301) are provided on the bottom surface of the reinforcing strip (3), and connecting holes (304) are provided on both sides of the outer surface of the reinforcing block (301).
2. The reinforced connection structure of a precast floor slab for a building according to claim 1, wherein: A moving groove (305) is provided on the bottom surface of the reinforcing strip (3). A sliding rod (302) is fixedly installed inside the moving groove (305), and a plurality of reinforcing blocks (301) are all slidably connected to the sliding rod (302). A plurality of positioning holes (303) are provided on both sides of the outer top surface of the reinforcing strip (3), and through holes corresponding to the positioning holes (303) are provided on both sides of the top surface of the reinforcing block (301).
3. A reinforced connection structure for a precast floor slab of a building according to claim 1, characterized in that: Fixing plates (306) are fixedly installed on both sides of the outer surface of the reinforcing strip (3), and a plurality of mounting holes (307) are provided on the top surfaces of the two fixing plates (306). A plurality of fastening holes (308) are provided on both sides inside the filling groove (201).
4. A reinforced connection structure for a precast floor slab of a building according to claim 1, characterized in that: Support frames (4) are fixedly installed on both sides of the building wall (1). A threaded rod (401) is rotatably connected to one side inside the support frame (4). An extension plate (405) is slidably connected to one side inside the support frame (4), and the extension plate (405) is threadedly connected to the threaded rod (401). A rotating rod (403) is rotatably connected to one side inside the support frame (4), and a vertical bevel gear (404) is fixedly installed at one end of the rotating rod (403) located inside the support frame (4). A horizontal bevel gear (402) is fixedly installed on one side of the outer surface of the threaded rod (401), and the horizontal bevel gear (402) is meshed with the vertical bevel gear (404).
5. The reinforced connection structure of a precast floor slab for a building according to claim 4, characterized in that: A telescopic sleeve (407) is hinged to one side of the outer surface of the support frame (4). An extension rod (406) is slidably connected inside the telescopic sleeve (407), and the extension rod (406) is hinged to the extension plate (405). A plurality of locking holes (408) are provided on the outer surface of the extension rod (406), and a limiting hole (409) is provided on one side of the outer surface of the telescopic sleeve (407).
6. The reinforced connection structure of a precast floor slab for a building according to claim 5, wherein: The size of the locking hole (408) is the same as the size of the limiting hole (409).