A stable connection type prestressed hollow slab beam

By designing structures such as slide chutes, cross plates, connecting blocks and bevel gears in prestressed hollow plate beams, the problem of troublesome connection and disassembly operation of prestressed hollow plate beams in the prior art is solved, and rapid and stable connection and disassembly are achieved, and working efficiency is improved.

CN222715784UActive Publication Date: 2025-04-04SHANGHAI MUNICIPAL CONSTR ROAD & BRIDGE ENG CO LTD
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Patent Information

Application Number
CN202420780589.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-04-04
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

Existing prestressed hollow plate beams are troublesome to operate when connecting and disassembly, and cannot be quickly connected and disassembled, which affects working efficiency.

Method used

A stable connection type prestressed hollow plate beam is designed. Quick connection and disassembly are achieved by setting a slide chute and a cross plate on the inner wall of the hollow plate beam body, sliding connection between the connecting block and the clamp, and the cooperation of bevel gears and threaded rods.

Benefits of technology

The rapid and stable connection and disassembly of two adjacent hollow plate beams is achieved, improving working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stable connection type prestressed hollow slab beam, comprising a hollow slab beam body, wherein four slide grooves are symmetrically provided on the left inner wall of the hollow slab beam body, a cross plate is provided on the left inner wall of the hollow slab beam body, and the cross plate is slidably connected to the four slide grooves, four connection blocks are symmetrically installed on the left end of the cross plate, and the connection blocks pass through the hollow slab beam body, a clamping hole is provided on the left inner wall of the connection block, the cross plate is internally threaded to connect a threaded rod 1, the outer surface of the threaded rod 1 is symmetrically rotated to connect a baffle, a bevel gear 1 is installed on the right end of the threaded rod 1, the bevel gear 1 is meshed with the bevel gear 2, and a rotating rod is installed at the rear end of the bevel gear 2. The utility model drives the four connection blocks to move and insert into the four connection grooves of another hollow slab beam body through the cross groove block 1, drives the clamping block to move and insert into the clamping hole through the cross groove block 2, and the connection block is fixed in the connection groove, so that two adjacent hollow slab beam bodies can be quickly and stably connected together, and the two hollow slab beam bodies can also be quickly disassembled.
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Description

Technical Field

[0001] The utility model relates to the field of hollow slab beams, in particular to a stable connection type prestressed hollow slab beam. Background Art

[0002] Prestressed hollow slab beam is a hollow slab beam made by prestressing technology. It has the advantages of high strength, high rigidity, good durability, etc., and therefore has been widely used in bridge engineering. In the production process of prestressed hollow slab beam, it is necessary to use high-strength materials, advanced construction technology and strict quality control measures to ensure that its quality and performance meet the design requirements. In the prior art, when connecting and disassembling two adjacent prestressed hollow slab beams, the operation is cumbersome and cannot be quickly connected and disassembled, which is time-consuming and labor-intensive, affecting work efficiency. Therefore, those skilled in the art provide a stable connection type prestressed hollow slab beam to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a stable connection type prestressed hollow slab beam, including a hollow slab beam body, four slide grooves are symmetrically opened on the left part of the inner wall of the hollow slab beam body, a cross plate is arranged on the left part of the inner wall of the hollow slab beam body, and the cross plate is slidably connected to the four slide grooves, four connecting blocks are symmetrically installed on the left end of the cross plate, and the connecting blocks pass through the hollow slab beam body, and a clamping hole is opened on the left part of the connecting block, the inner thread of the cross plate is connected to the threaded rod 1, the outer surface of the threaded rod 1 is symmetrically rotated to connect the baffle, the right end of the threaded rod 1 is installed with a bevel gear 1, the bevel gear 1 is meshed with the bevel gear 2, and the rear end of the bevel gear 2 is installed with a rotating rod;

[0004] Four connection grooves are symmetrically arranged at the right end of the hollow slab beam body, and the connection grooves correspond to the positions of the connection blocks. Four threaded rods 2 are symmetrically arranged at the right part of the hollow slab beam body. One end of the threaded rod 2 is rotatably connected to the inner wall of the hollow slab beam body. The other end of the threaded rod 2 is installed with a bevel gear 3. The outer surface of the threaded rod 2 is threadedly connected to the threaded sleeve block. A clamping block is installed at one end of the threaded sleeve block close to the inner wall of the hollow slab beam body, and the clamping block passes through the position of the inner wall of the hollow slab beam body corresponding to the clamping hole;

[0005] A limit rod is installed on the right part of the hollow slab beam body, and the limit rod passes through four threaded sleeves to be fixedly connected to the inner wall of the hollow slab beam body. The limit rod and the threaded sleeve are slidably connected, and the limit rod is internally rotatably connected to the rotating shaft. Bevel gear four is installed on the right end of the rotating shaft, and bevel gear four is meshed with four bevel gear threes. Bevel gear five is installed on the left end of the rotating shaft, and a transmission rod is installed on the rear end of bevel gear five.

[0006] Preferably, support rods are symmetrically installed on the side surfaces of the baffle, and the support rods are fixedly connected to the inner wall of the hollow slab beam body.

[0007] Preferably, a cross slot block 1 is installed at the rear end of the rotating rod, and the cross slot block 1 is rotatably connected to the rear end of the hollow slab beam body.

[0008] Preferably, the limiting rod is cross-shaped.

[0009] Preferably, a cross slot block 2 is installed at the rear end of the transmission rod, and the cross slot block 2 is rotatably connected to the rear end of the hollow slab beam body.

[0010] Preferably, the second outer surfaces of the threaded rod are rotatably connected to the bearing, and the bearing is fixedly connected to the limit rod through a support rod.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model fits two hollow slab beam bodies together, drives four connection blocks to move and insert into four connection grooves of another hollow slab beam body through the first cross groove block, and then drives the clamping block to move and insert into the clamping hole through the second cross groove block, so that the connection block is fixed in the connection groove, so that the two adjacent hollow slab beam bodies are quickly and stably connected together, and at the same time, the two hollow slab beam bodies can also be quickly disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of this application;

[0014] Figure 2 It is a structural schematic diagram of the left part of the hollow slab beam body of the present application;

[0015] Figure 3 It is a structural schematic diagram of the right part of the hollow slab beam body of the present application;

[0016] In the figure: 1. hollow slab beam body; 2. slide groove; 3. cross plate; 4. connecting block; 5. clamping hole; 6. threaded rod one; 7. baffle; 8. bevel gear one; 9. bevel gear two; 10. rotating rod; 11. cross groove block one; 12. connecting groove; 13. threaded rod two; 14. bevel gear three; 15. bearing; 16. threaded sleeve block; 17. clamping block; 18. limit rod; 19. bevel gear four; 20. bevel gear five; 21. bevel gear six; 22. cross groove block two. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0018] See also Figures 1 to 3In this embodiment, a stable connection type prestressed hollow slab beam is provided, including a hollow slab beam body 1, four sliding grooves 2 are symmetrically provided on the left inner wall of the hollow slab beam body 1, a cross plate 3 is provided on the left inner wall of the hollow slab beam body 1, and the cross plate 3 is slidably connected to the four sliding grooves 2, four connecting blocks 4 are symmetrically installed on the left end of the cross plate 3, and the connecting blocks 4 pass through the hollow slab beam body 1, and a clamping hole 5 is provided on the left inner wall of the connecting block 4, the inner thread of the cross plate 3 is connected to a threaded rod 6, the outer surface of the threaded rod 6 is symmetrically rotated to connect a baffle 7, and a support rod is symmetrically installed on the side of the baffle 7, and the support rod is fixedly connected to the inner wall of the hollow slab beam body 1, a bevel gear 8 is installed on the right end of the threaded rod 6, the bevel gear 8 is meshed with the bevel gear 2 9, a rotating rod 10 is installed at the rear end of the bevel gear 2 9, a cross groove block 11 is installed at the rear end of the rotating rod 10, and the cross groove block 11 is rotatably connected to the rear end of the hollow slab beam body 1;

[0019] Four connecting grooves 12 are symmetrically provided at the right end of the hollow slab beam body 1, and the connecting grooves 12 correspond to the positions of the connecting blocks 4. Four threaded rods 13 are symmetrically arranged at the right inner part of the hollow slab beam body 1. One end of the threaded rod 13 is rotatably connected to the inner wall of the hollow slab beam body 1. The other end of the threaded rod 13 is installed with a bevel gear 3 14. The outer surface of the threaded rod 13 is threadedly connected to a threaded sleeve block 16. A clamping block 17 is installed at one end of the threaded sleeve block 16 close to the inner wall of the hollow slab beam body 1, and the clamping block 17 passes through the position of the inner wall of the hollow slab beam body 1 corresponding to the clamping hole 5. A limiting rod 18 is installed at the right inner part of the hollow slab beam body 1, and the limiting rod 18 is Cross-shaped, the limit rod 18 passes through four threaded sleeves 16 and is fixedly connected to the inner wall of the hollow slab beam body 1, the limit rod 18 and the threaded sleeve 16 are slidably connected, the limit rod 18 is internally rotatably connected to the rotating shaft, a bevel gear four 19 is installed on the right end of the rotating shaft, and the bevel gear four 19 is meshed with four bevel gears three 14, a bevel gear five 20 is installed on the left end of the rotating shaft, a transmission rod is installed at the rear end of the bevel gear five 20, a cross groove block two 22 is installed at the rear end of the transmission rod, the cross groove block two 22 is rotatably connected to the rear end of the hollow slab beam body 1, the outer surface of the threaded rod two 13 is rotatably connected to the bearing 15, and the bearing 15 is fixedly connected to the limit rod 18 through a support rod.

[0020] The working principle of the utility model is: two hollow slab beam bodies 1 are fitted together, and the rotating rod 10 is driven to rotate through the cross groove block 11, and the rotating rod 10 drives the threaded rod 6 to rotate through the meshing of the bevel gear 2 9 and the bevel gear 1 8, and the threaded rod 1 6 drives the cross plate 3 to move, and the cross plate 3 drives the four connecting blocks 4 to move and insert into the four connecting grooves 12 of the other hollow slab beam body 1, and then, the transmission rod is driven to rotate through the cross groove block 22, and the transmission rod drives the bevel gear 4 19 to rotate through the bevel gear 6 21 and the bevel gear 5 20, and the bevel gear 4 19 and the four bevel gears 3 14 are meshed to drive the four threaded rods 2 13 to rotate, and the threaded rod 2 13 drives the threaded sleeve block 16 to move, and the threaded sleeve block 16 drives the clamping block 17 to move and insert into the clamping hole 5, so that the connecting block 4 is fixed in the connecting groove 12, so that the two adjacent hollow slab beam bodies 1 are quickly and stably connected together.

[0021] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A stable connection type prestressed hollow slab beam, comprising a hollow slab beam body (1), characterized in that: The inner wall of the hollow slab beam body (1) is symmetrically provided with four slide grooves (2), the inner left part of the hollow slab beam body (1) is provided with a cross plate (3), and the cross plate (3) is slidably connected to the four slide grooves (2), four connecting blocks (4) are symmetrically installed at the left end of the cross plate (3), and the connecting blocks (4) pass through the hollow slab beam body (1), and a clamping hole (5) is provided at the inner left part of the connecting block (4), the inner thread of the cross plate (3) is connected to the threaded rod 1 (6), the outer surface of the threaded rod 1 (6) is symmetrically rotated to connect the baffle plate (7), the right end of the threaded rod 1 (6) is provided with a bevel gear 1 (8), the bevel gear 1 (8) is meshed with the bevel gear 2 (9), and the rear end of the bevel gear 2 (9) is provided with a rotating rod (10); Four connecting grooves (12) are symmetrically provided at the right end of the hollow slab beam body (1), and the connecting grooves (12) correspond to the positions of the connecting blocks (4). Four threaded rods (13) are symmetrically provided at the right inner part of the hollow slab beam body (1). One end of the threaded rod (13) is rotatably connected to the inner wall of the hollow slab beam body (1), and the other end of the threaded rod (13) is installed with a bevel gear (14). The outer surface of the threaded rod (13) is threadedly connected to a threaded sleeve block (16). A clamping block (17) is installed at one end of the threaded sleeve block (16) close to the inner wall of the hollow slab beam body (1), and the clamping block (17) passes through the position of the inner wall of the hollow slab beam body (1) corresponding to the clamping hole (5); A limit rod (18) is installed at the right inner part of the hollow slab beam body (1), the limit rod (18) passes through four threaded sleeves (16) and is fixedly connected to the inner wall of the hollow slab beam body (1), the limit rod (18) and the threaded sleeves (16) are slidably connected, the limit rod (18) is internally rotatably connected to a rotating shaft, a bevel gear four (19) is installed at the right end of the rotating shaft, and the bevel gear four (19) is meshed with four bevel gear threes (14), a bevel gear five (20) is installed at the left end of the rotating shaft, and a transmission rod is installed at the rear end of the bevel gear five (20).

2. The stable connection type prestressed hollow slab beam according to claim 1, characterized in that: Support rods are symmetrically mounted on the side surfaces of the baffle plates (7), and the support rods are fixedly connected to the inner wall of the hollow slab beam body (1).

3. The stable connection type prestressed hollow slab beam according to claim 1, characterized in that: A cross slot block (11) is installed at the rear end of the rotating rod (10), and the cross slot block (11) is rotatably connected to the rear end of the hollow slab beam body (1).

4. The stable connection type prestressed hollow slab beam according to claim 1, characterized in that: The limiting rod (18) is in a cross shape.

5. The stable connection type prestressed hollow slab beam according to claim 1, characterized in that: A second cross slot block (22) is installed at the rear end of the transmission rod, and the second cross slot block (22) is rotatably connected to the rear end of the hollow slab beam body (1).

6. The stable connection type prestressed hollow slab beam according to claim 1, characterized in that: The outer surface of the second threaded rod (13) is rotatably connected to the bearing (15), and the bearing (15) is fixedly connected to the limit rod (18) via a support rod.