CN221589222U

CN221589222U - Bridge prefabricated section case roof beam convenient to installation

Info

Publication number: CN221589222U
Application number: CN202323416750.0U
Authority: CN
Inventors: 任森森; 刘华鉴; 黄通通
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-08-23
Anticipated expiration: 2033-12-14

Abstract

The utility model belongs to the technical field of box girders, and particularly relates to a bridge prefabricated section box girder convenient to install, which comprises a girder body, wherein steel bars are arranged in the girder body, a top plate is arranged at the top of the girder body, frames are symmetrically arranged at the bottom of the top plate, battery assemblies are arranged in the frames, sliding grooves are arranged in the frames, driving assemblies are arranged in the sliding grooves, and limiting plates are arranged in the sliding grooves in a penetrating mode. According to the utility model, the bridge prefabricated section box girder is convenient to install rapidly through the limit plate and the square groove, after the spliced girder body positions are aligned, the servo motor is driven to move the limit plate into the square groove, after the limit plate moves into the square groove, the pressure spring makes the limit shaft move into the positioning groove and then limit the position of the limit plate, so that the adjacent girder bodies are convenient to temporarily limit and connect, the installation is convenient, and the splicing and installation efficiency is improved.

Description

Bridge prefabricated section case roof beam convenient to installation

Technical Field

The utility model relates to the technical field of box girders, in particular to a bridge prefabricated section box girder convenient to install.

Background

The prefabricated section box girder of the bridge is a common bridge construction method, which is to prefabricated box girder sections in factories and then to be assembled on a construction site to form a whole bridge, the construction method has the advantages of high construction speed, easy quality control, lower cost and the like, the prefabricated section box girder generally comprises prefabricated box girder sections and connecting pieces, the prefabricated box girder sections are generally composed of concrete and reinforcing steel bars, the connecting pieces can be prestressed tendons or common reinforcing steel bars, when the bridge is assembled, the prefabricated box girder sections are required to be assembled according to design requirements, and meanwhile, the connecting pieces are used for connecting the sections to form a complete bridge structure;

Patent document CN214530155U discloses a prefabricated box girder, "including a top plate, a bottom plate, and a first web and a second web between the top plate and the bottom plate, a cavity is defined between the top plate, the bottom plate, and the first web and the second web, and its characterized in that: a plurality of prestressing devices are arranged at the top between the first web plate and the second web plate, and the prestressing devices are arranged at intervals along the length direction of the top plate. The present application has the effect of improving the strength of the bridge surface and reducing the risk of the box girder breaking, however, the prefabricated box girder of the above publication mainly considers the problem of improving the strength of the bridge surface, but does not consider the problem of not installing and splicing the same, so that it is necessary to develop a prefabricated segment box girder of the bridge which is convenient to install, and thus the construction efficiency can be improved.

Disclosure of utility model

The utility model aims to provide a bridge prefabricated section box girder convenient to install, which solves the technical problem that the bridge prefabricated section box girder is inconvenient to install and splice rapidly in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bridge prefabricated section box girder comprises a girder body, wherein steel bars are arranged in the girder body, a top plate is arranged at the top of the girder body, and frames are symmetrically arranged at the bottom of the top plate;

The battery assembly is arranged in the frame, the sliding groove is arranged in the frame, the driving assembly is arranged in the sliding groove, the limiting plate is arranged in the sliding groove in a penetrating mode, and the limiting plate is located on one side of the driving assembly;

The inside of frame is provided with square groove, and square groove is located one side of battery pack, and the top of square groove is provided with spacing subassembly, and the top of limiting plate is provided with the constant head tank.

Preferably, the drive assembly includes square piece, screw thread section of thick bamboo, servo motor and screw thread lead screw, square piece fixed mounting is in the inside of limiting plate, screw thread section of thick bamboo sets up in the inside of square piece, and servo motor sets up in the inside of sliding tray, and servo motor and battery pack electric connection, servo motor's output fixedly connected with screw thread lead screw, and screw thread lead screw wears to establish in the inside of screw thread section of thick bamboo, and the inside of limiting plate is provided with the guide way, wears to be equipped with the deflector in the inside of guide way, and the inside fixed connection of deflector and sliding tray.

Preferably, the spacing subassembly includes square frame, guide bar, sliding plate and spacing axle, square frame slidable mounting in the top of square groove, guide bar one side sets up in the inside of square frame, and the sliding plate sets up in the inside of square frame, and the guide bar runs through the inside of sliding plate, and the bottom of sliding plate is connected with spacing axle, and the one end of spacing axle extends to the inside of square groove, and the top of sliding plate is connected with the stay cord.

Preferably, a pressing spring is arranged on the guide rod, and one end of the pressing spring is fixedly connected with the top of the sliding plate.

Preferably, the inside of roof is inlayed and is provided with the mounting box, and the inside of mounting box is provided with the protective housing, and the inside of protective housing is provided with driving motor, and driving motor and battery pack electric connection.

Preferably, the output end of the driving motor is fixedly connected with a reciprocating screw rod, a sliding block is arranged on the reciprocating screw rod, a guide rod is arranged in the mounting box, and the guide rod penetrates through the sliding block.

Preferably, the outer wall fixed mounting of slider has the connecting block, has the cleaning board through bolted connection on the connecting block, and the cleaning board is the spill, is provided with the through groove on the roof, and the connecting block wears to establish in the inside of through groove.

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

1. According to the utility model, the bridge prefabricated section box girder is convenient to install rapidly through the limit plate and the square groove, after the spliced girder body positions are aligned, the servo motor works to drive the threaded screw rod to rotate, the threaded screw rod rotates to enable the threaded cylinder to move, the position of the limit plate is adjusted through the square block when the threaded cylinder moves, the limit plate can further move into the square groove, after the limit plate moves into the square groove, the slide plate is pushed to move by the pressing spring, the limit shaft is driven to synchronously move when the slide plate moves, the position of the limit plate is limited after the limit shaft moves into the positioning groove, so that the adjacent girder bodies are convenient to temporarily limit and connect, the installation is facilitated, and the splicing installation efficiency is improved;

2. According to the utility model, the cleaning plate and the reciprocating screw rod are arranged, so that the cleanliness of the bridge prefabrication section box girder is improved, when the adsorbate on the surface of the bridge prefabrication section box girder convenient to install is removed, the reciprocating screw rod is driven to rotate by the driving motor, the sliding block is moved when the reciprocating screw rod rotates, the guide rod guides the sliding block, the sliding block stably slides, the cleaning plate is driven to synchronously move by the connecting block when the sliding block moves, the adsorbate on the surface of the bridge prefabrication section box girder convenient to install can be scraped when the cleaning plate moves, the cleanliness is improved, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a frame structure of the present utility model;

FIG. 3 is a schematic view of a limiting plate structure according to the present utility model;

FIG. 4 is a schematic view of a square groove structure of the present utility model;

FIG. 5 is a schematic cross-sectional view of the present utility model;

fig. 6 is a schematic view of the structure of the mounting box of the present utility model.

In the figure: 1. a beam body; 2. reinforcing steel bars; 3. a top plate; 4. a frame; 5. a sliding groove; 6. a limiting plate; 7. square blocks; 8. a thread cylinder; 9. a guide groove; 10. a positioning groove; 11. a guide plate; 12. a servo motor; 13. a threaded screw rod; 14. a battery assembly; 15. a square groove; 16. a square frame; 17. a pull rope; 18. a guide rod; 19. a sliding plate; 20. a pressing spring; 21. a limiting shaft; 22. a mounting box; 23. a through groove; 24. a cleaning plate; 25. a connecting block; 26. a reciprocating screw rod; 27. a protective box; 28. a driving motor; 29. a slide block; 30. and a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, a bridge prefabricated section case roof beam convenient to install, including the roof beam body 1, the inside of roof beam body 1 is provided with reinforcing bar 2, the top of roof beam body 1 is provided with roof plate 3, the bottom symmetry of roof plate 3 is provided with frame 4, the inside of frame 4 is provided with battery pack 14, the inside of frame 4 is provided with sliding tray 5, the inside of sliding tray 5 is provided with drive assembly, the inside of sliding tray 5 wears to be equipped with limiting plate 6, and limiting plate 6 is located one side of drive assembly, the inside of frame 4 is provided with square groove 15, and square groove 15 is located one side of battery pack 14, the top of square groove 15 is provided with spacing subassembly, the top of limiting plate 6 is provided with constant head tank 10, when splicing the bridge prefabricated section case roof beam convenient to install, after the roof beam body 1 position alignment of concatenation, drive assembly work can make the position of limiting plate 6 remove, after the inside of square groove 15 is moved into to limiting plate 6, position through limiting plate 6 carries out spacing, and then be convenient for make adjacent bridge body 1 connect temporarily, the improvement in that is convenient for install, the bridge girder 1 is convenient for install, the load-carrying out the roof beam 3 is convenient for install, the roof beam 3 has improved.

Referring to fig. 1 and 5, the driving assembly includes a square block 7, a thread cylinder 8, a servo motor 12 and a thread screw 13, the square block 7 is fixedly installed inside the limiting plate 6, the thread cylinder 8 is disposed inside the square block 7, the servo motor 12 is disposed inside the sliding groove 5, and the servo motor 12 is electrically connected with the battery assembly 14, the output end of the servo motor 12 is fixedly connected with the thread screw 13, the thread screw 13 is threaded inside the thread cylinder 8, a guide groove 9 is disposed inside the limiting plate 6, a guide plate 11 is threaded inside the guide groove 9, and the guide plate 11 is fixedly connected with the sliding groove 5, during operation of the driving assembly, the servo motor 12 is enabled to drive the thread screw 13 to rotate, the thread screw 8 is enabled to move, during movement of the thread cylinder 8, the position of the limiting plate 6 is adjusted through the square block 7, and then the limiting plate 6 is enabled to move into the inside the square groove 15, during movement of the limiting plate 6, the guide groove 9 slides outside the guide plate 11, and then the limiting plate 6 is enabled to guide.

Referring to fig. 4 and 5, the limiting component includes a square frame 16, a guide rod 18, a sliding plate 19 and a limiting shaft 21, wherein the square frame 16 is slidably mounted above the square groove 15, one side of the guide rod 18 is disposed inside the square frame 16, the sliding plate 19 is disposed inside the square frame 16, the guide rod 18 penetrates through the sliding plate 19, the bottom of the sliding plate 19 is connected with the limiting shaft 21, one end of the limiting shaft 21 extends to the inside of the square groove 15, the top of the sliding plate 19 is connected with a pull rope 17, after the limiting plate 6 moves into the inside of the square groove 15, the positioning groove 10 is overlapped with the limiting shaft 21, the limiting shaft 21 enters into the inside of the positioning groove 10, and then the positioning groove 10 is limited, and the position of the limiting plate 6 is limited.

Referring to fig. 5 and 6, a pressing spring 20 is disposed on the guide rod 18, one end of the pressing spring 20 is fixedly connected with the top of the sliding plate 19, a mounting box 22 is embedded in the top plate 3, a protection box 27 is disposed in the mounting box 22, a driving motor 28 is disposed in the protection box 27, the driving motor 28 is electrically connected with the battery assembly 14, the pressing spring 20 works to push the sliding plate 19 to move, and the sliding plate 19 drives a limiting shaft 21 to synchronously move when moving, so that the limiting shaft 21 moves into the positioning groove 10 and then limits the position of the limiting plate 6, and the protection box 27 protects the driving motor 28.

Referring to fig. 1 and 6, the output end of the driving motor 28 is fixedly connected with a reciprocating screw rod 26, a sliding block 29 is arranged on the reciprocating screw rod 26, a guide rod 30 is arranged in the installation box 22, the guide rod 30 penetrates through the sliding block 29, a connecting block 25 is fixedly arranged on the outer wall of the sliding block 29, a cleaning plate 24 is connected to the connecting block 25 through bolts, the cleaning plate 24 is concave, a penetrating groove 23 is formed in the top plate 3, the connecting block 25 penetrates through the penetrating groove 23, when adsorbates on the surface of a bridge prefabrication section box girder convenient to install are removed, the driving motor 28 is enabled to drive the reciprocating screw rod 26 to rotate, the sliding block 29 is enabled to move when the reciprocating screw rod 26 rotates, the guide rod 30 guides the sliding block 29, the sliding block 29 slides steadily, the cleaning plate 24 is enabled to move synchronously when the sliding block 29 moves through the connecting block 25, the adsorbates on the surface of the bridge prefabrication section box girder convenient to install can be scraped when the cleaning plate 24 moves, and therefore the cleaning degree can be improved, and when the bridge prefabrication section box girder convenient to install can be detached, and the cleaning plate 24 is prevented from affecting construction.

The work principle, firstly, when the adsorbate on the bridge prefabrication section case roof beam surface convenient to install is clear away, make driving motor 28 work can drive reciprocating screw 26 and rotate, can make slider 29 remove when reciprocating screw 26 rotates, guide arm 30 leads to slider 29, make slider 29 steadily slide, can drive clean board 24 synchronous motion through connecting block 25 when slider 29 moves, can strike off the adsorbate on the bridge prefabrication section case roof beam surface convenient to install when clean board 24 moves, and then can improve the cleanliness, after the roof beam body 1 position alignment that will splice, servo motor 12 work can drive screw rod 13 rotation, screw rod 13 rotates and can make screw barrel 8 remove, can adjust the position of limiting plate 6 through square piece 7 when screw barrel 8 removes, and then can make limiting plate 6 remove the inside of entering square groove 15, after limiting plate 6 removes the inside of entering square groove 15, the pressure spring 20 work can promote the sliding plate 19 and remove, can drive spacing axle 21 synchronous motion when the sliding plate 19 removes, can carry out the position to limiting plate 6 after making spacing axle 21 remove the inside of entering into positioning groove 10, and then can carry out the position to the adjacent roof beam body convenient to install, and convenient for install the spacing body, and convenient for install.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prefabricated festival section case roof beam of bridge convenient to installation, includes the roof beam body (1), its characterized in that: the steel bar (2) is arranged in the beam body (1), a top plate (3) is arranged at the top of the beam body (1), and frames (4) are symmetrically arranged at the bottom of the top plate (3);

The battery pack (14) is arranged in the frame (4), the sliding groove (5) is formed in the frame (4), the driving assembly is arranged in the sliding groove (5), the limiting plate (6) is arranged in the sliding groove (5) in a penetrating mode, and the limiting plate (6) is located on one side of the driving assembly;

The inside of frame (4) is provided with square groove (15), and square groove (15) are located one side of battery pack (14), and the top of square groove (15) is provided with spacing subassembly, and the top of limiting plate (6) is provided with constant head tank (10).

2. A prefabricated bridge segment box girder for installation according to claim 1, wherein: the driving assembly comprises a square block (7), a thread cylinder (8), a servo motor (12) and a thread screw (13), wherein the square block (7) is fixedly installed inside a limiting plate (6), the thread cylinder (8) is arranged inside the square block (7), the servo motor (12) is arranged inside a sliding groove (5), the servo motor (12) is electrically connected with a battery assembly (14), the output end of the servo motor (12) is fixedly connected with the thread screw (13), the thread screw (13) is arranged inside the thread cylinder (8) in a penetrating mode, a guide groove (9) is formed in the limiting plate (6), a guide plate (11) is arranged inside the guide groove (9) in a penetrating mode, and the guide plate (11) is fixedly connected with the sliding groove (5).

3. A prefabricated bridge section box girder for installation according to claim 2, wherein: limiting component includes square frame (16), guide bar (18), sliding plate (19) and spacing axle (21), square frame (16) slidable mounting is in the top of square groove (15), guide bar (18) one side sets up in the inside of square frame (16), sliding plate (19) set up in the inside of square frame (16), and inside that guide bar (18) run through sliding plate (19), the bottom of sliding plate (19) is connected with spacing axle (21), and the one end of spacing axle (21) extends to the inside of square groove (15), the top of sliding plate (19) is connected with stay cord (17).

4. A prefabricated bridge section box girder for installation according to claim 3, wherein: the guide rod (18) is provided with a pressing spring (20), and one end of the pressing spring (20) is fixedly connected with the top of the sliding plate (19).

5. A prefabricated bridge segment box girder for installation according to claim 1, wherein: the inside of roof (3) is inlayed and is provided with install bin (22), and the inside of install bin (22) is provided with protective housing (27), and the inside of protective housing (27) is provided with driving motor (28), and driving motor (28) and battery pack (14) electric connection.

6. A prefabricated bridge girder segment for a bridge, which is convenient to install, according to claim 5, wherein: the output end of the driving motor (28) is fixedly connected with a reciprocating screw rod (26), a sliding block (29) is arranged on the reciprocating screw rod (26), a guide rod (30) is arranged in the installation box (22), and the guide rod (30) penetrates through the sliding block (29).

7. A prefabricated bridge girder segment according to claim 6, wherein: the outer wall fixed mounting of slider (29) has connecting block (25), has clean board (24) through bolted connection on connecting block (25), and clean board (24) are the spill, are provided with on roof (3) and run through groove (23), and connecting block (25) wears to establish in the inside of running through groove (23).