CN214882960U

CN214882960U - Connecting structure of bridge and FRP bridge deck

Info

Publication number: CN214882960U
Application number: CN202120141202.3U
Authority: CN
Inventors: 陈乐娜
Original assignee: China Railway Construction Kunlun Investment Group Co Ltd
Current assignee: China Railway Construction Kunlun Investment Group Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-26
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a connection structure of bridge and FRP decking, including the FRP bridge floor, the internally mounted of FRP bridge floor has the connector, the lower terminal surface fixed mounting of connector has the cylindricality pole, the lower terminal surface fixed mounting of cylindricality pole has bevel gear, driven bevel gear is all installed to bevel gear's both sides, one side fixed mounting of driven bevel gear has the threaded rod, the reference column has been cup jointed in the outside of threaded rod, No. two FRP bridge floors are installed to the front end of FRP bridge floor, the internally mounted of No. two FRP bridge floors has rotary joint, rotary joint's lower terminal surface fixed mounting has the screw thread post, the fixed bolster is installed to the lower extreme of screw thread post, the screw thread axle has been cup jointed to the inboard of fixed bolster, the helical gear is installed to one side of screw thread axle. The utility model discloses be convenient for high-speed joint FRP bridge floor and pier, easy operation, the excellent in connection effect has improved the security, the effectual construction period that has subtracted.

Description

Connecting structure of bridge and FRP bridge deck

Technical Field

The utility model relates to a bridge floor connection structure technical field specifically is a bridge and FRP decking's connection structure.

Background

The deck continuous construction is formed by connecting steel bars or plates at the pier top deck. The bridge deck continuous structure has the advantages of saving materials for continuous beams and smooth driving, and has the characteristics of saving brackets and templates for an assembled simple support structure and accelerating the progress of engineering. The system is converted into a statically indeterminate structure after the bridge deck continuum, but the stress of the bridge deck continuous structure is not clear enough, and the additional internal force of the structure is caused by the uneven settlement of the support between the simple support and the continuous structure, so that the method is suitable for building a bridge at a bridge position with a good foundation.

However, the existing bridge deck connecting structure is inconvenient to fix in the using process, poor in fixing effect, complex in fixing mode and potential safety hazard; therefore, the existing requirements are not met, and the connecting structure of the bridge and the FRP bridge deck is provided for the existing requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of bridge and FRP decking to the connection structure of the current decking that proposes in solving above-mentioned background art is fixed inconvenient in the use, and fixed effect is not good, and fixed mode is loaded down with trivial details, has the potential safety hazard scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting structure of a bridge and an FRP bridge deck comprises a first FRP bridge deck, wherein a connector is arranged inside the first FRP bridge deck, a cylindrical rod is fixedly arranged on the lower end face of the connector, a bevel gear is fixedly arranged on the lower end face of the cylindrical rod, driven bevel gears are arranged on two sides of each bevel gear, a threaded rod is fixedly arranged on one side of each driven bevel gear, a positioning column is sleeved on the outer side of the threaded rod, a second FRP bridge deck is arranged at the front end of the first FRP bridge deck, a rotary joint is arranged inside the second FRP bridge deck, a threaded column is fixedly arranged on the lower end face of the rotary joint, a fixed support is arranged at the lower end of the threaded column, a threaded shaft is sleeved on the inner side of the fixed support, a helical gear is arranged on one side of the threaded shaft, a driving helical gear is arranged at the upper end of the helical gear, and a joint is fixedly arranged at the top end of the upper end of the driving helical gear, a bridge support is installed to the lower extreme of a FRP bridge floor, the lower extreme fixed mounting of bridge support has the pier.

Preferably, the connector and the cylindrical rod are of an integrated structure, the cylindrical rod and the bevel gear are of an integrated structure, and the bevel gear is meshed with the driven bevel gear.

Preferably, the driven bevel gear and the threaded rod are of an integrated structure, and the threaded rod is connected with the positioning column through a threaded groove.

Preferably, the bevel gear is engaged with a driving bevel gear, and the driving bevel gear and the joint are of an integrated structure.

Preferably, the threaded shaft is connected with the fixed support through a threaded groove, the threaded column is connected with the second FRP bridge floor through a threaded groove, and the threaded column and the rotary joint are of an integrated structure.

Preferably, three sets of CRB550 stressed main reinforcements are fixedly mounted inside the bridge support, and C100 high-strength concrete is poured on the inner sides of the three sets of CRB550 stressed main reinforcements.

Preferably, a bridge stress pad is fixedly mounted at the upper end of one of the CRB stress main ribs, a bridge deck support is mounted at the upper end of the bridge stress pad, and the bridge deck support and the first FRP bridge deck are of an integrated structure.

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

1. the utility model discloses a rotation of cylindricality pole has driven bevel gear rotatory, has driven bevel gear's rotation through bevel gear's rotation, has driven the rotation of threaded rod through driven bevel gear's rotation, moves to one side through the effect reference column of threaded rod and reference column, when one side of reference column closely laminated with the bridge beam supports, has reached the fixed purpose to a FRP bridge floor, and easy operation fixed effectual, the connection efficiency is high, has effectively saved the construction cycle;

2. the utility model discloses a rotation of helical gear has driven the rotation of threaded spindle, effect through threaded spindle and fixed bolster, the fixed bolster that is remove to one end, when the fixed bolster removes the inboard to No. two FRP bridge floors, the rotatory rotary joint of staff, the rotatory effect through threaded post and thread groove that has driven the rotation of screw thread post through rotary joint's rotation, make rotary joint move down, when rotary joint's lower terminal surface and fixed bolster close fitting, the butt joint purpose of a FRP bridge floor and No. two FRP bridge floors has been reached, the butt joint is efficient, effect through CRB550 atress main muscle and C100 high strength concrete, the effectual security that improves the bridge floor.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic view of a partial structure of a bevel gear according to the present invention;

FIG. 3 is a schematic cross-sectional view of a portion of FIG. 1 according to the present invention;

fig. 4 is a schematic view of a partial structure of the threaded shaft of the present invention.

In the figure: 1. a first FRP bridge deck; 2. a connector; 3. a cylindrical rod; 4. a bevel gear; 5. a driven bevel gear; 6. a threaded rod; 7. a positioning column; 8. a second FRP bridge deck; 9. a rotary joint; 10. a threaded post; 11. fixing a bracket; 12. a threaded shaft; 13. a helical gear; 14. a driving bevel gear; 15. a joint; 16. a bridge support; 17. a bridge pier; 18. CRB550 stressed main rib; 19. c100 high-strength concrete; 20. a bridge stress pad; 21. bridge deck support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a connection structure of bridge and FRP decking, includes FRP bridge floor 1, its characterized in that: the inner part of the first FRP bridge floor 1 is provided with a connector 2, the lower end face of the connector 2 is fixedly provided with a cylindrical rod 3, the lower end face of the cylindrical rod 3 is fixedly provided with a bevel gear 4, both sides of the bevel gear 4 are provided with driven bevel gears 5, one side of the driven bevel gear 5 is fixedly provided with a threaded rod 6, the outer side of the threaded rod 6 is sleeved with a positioning column 7, the front end of the first FRP bridge floor 1 is provided with a second FRP bridge floor 8, the inner part of the second FRP bridge floor 8 is provided with a rotary joint 9, the lower end face of the rotary joint 9 is fixedly provided with a threaded column 10, the lower end of the threaded column 10 is provided with a fixed support 11 which is convenient to fix, the inner side of the fixed support 11 is sleeved with a threaded shaft 12, one side of the threaded shaft 12 is provided with a helical gear 13, the upper end of the helical gear 13 is provided with a driving helical gear 14, the top end of the upper end of the driving helical gear 14 is fixedly provided with a joint 15, and the lower end of the first FRP 1 is provided with a bridge support 16, the bridge deck is convenient to place, and the lower end of the bridge support 16 is fixedly provided with a pier 17.

Further, the connector 2 and the cylindrical rod 3 are of an integrated structure, the cylindrical rod 3 and the bevel gear 4 are of an integrated structure, and the bevel gear 4 is meshed with the driven bevel gear 5.

By adopting the technical scheme, the cylindrical rod 3 is driven to rotate through the rotation of the connector 2, the bevel gear 4 is driven to rotate through the rotation of the cylindrical rod 3, and the bevel gear 5 is driven to rotate conveniently through the rotation of the bevel gear 4.

Further, driven bevel gear 5 and threaded rod 6 are integrated structure, and threaded rod 6 is connected through the thread groove with reference column 7.

Through adopting above-mentioned technical scheme, through bevel gear 5's rotation, be convenient for drive threaded rod 6 rotatory.

Further, the helical gear 13 is engaged with the driving helical gear 14, and the driving helical gear 14 and the joint 15 are integrated.

By adopting the technical scheme, the driving bevel gear 14 can be conveniently driven to rotate through the rotation of the joint 15, and the driving bevel gear 14 can be conveniently driven to rotate through the rotation of the bevel gear 13.

Further, the threaded shaft 12 is connected with the fixed support 11 through a threaded groove, the threaded column 10 is connected with the second FRP bridge floor 8 through a threaded groove, and the threaded column 10 and the rotary joint 9 are of an integrated structure.

Through adopting above-mentioned technical scheme, be convenient for fixed bolster 11 through the effect of fixed bolster 11 with the thread groove and remove, be convenient for the thread post 10 through the effect of thread post 10 with the thread groove and remove.

Further, three sets of CRB550 stressed main reinforcements 18 are fixedly arranged inside the bridge support 16, and C100 high-strength concrete 19 is poured inside the three sets.

By adopting the technical scheme, the bearing capacity of the bridge support 14 is effectively improved by matching the CRB550 stressed main reinforcement 18 with the C100 high-strength concrete 19.

Further, a bridge stressed pad 20 is fixedly mounted at the upper end of one of the CRB550 stressed main ribs 18, a bridge deck support 21 is mounted at the upper end of the bridge stressed pad 20, and the bridge deck support 21 and the first FRP bridge deck 1 are of an integrated structure.

By adopting the technical scheme, the bridge deck is convenient to install and the construction period is effectively shortened by matching the bridge stress pad 20 with the bridge deck support 21.

The working principle is as follows: when the first FRP bridge deck 1 is installed, the bridge deck support 21 is placed to be aligned with the bridge stress pad 20, when the lower surface of the bridge deck support 21 is tightly attached to the upper surface of the bridge stress pad 20, a worker rotates the connector 2 to drive the cylindrical rod 3 to rotate, the bevel gear 4 is driven to rotate through the rotation of the cylindrical rod 3, the driven bevel gear 5 is driven to rotate through the rotation of the bevel gear 4, the threaded rod 6 is driven to rotate through the rotation of the driven bevel gear 5, the positioning column 7 moves to one side through the action of the threaded rod 6 and the positioning column 7, when one side of the positioning column 7 is tightly attached to the bridge deck 16, the purpose of fixing the first FRP bridge deck 1 is achieved, the operation is simple, the fixing effect is good, the connection efficiency is high, and the construction period is effectively saved,

when the first FRP bridge deck 1 and the second FRP bridge deck 8 need to be butted, the second FRP bridge deck 8 is placed at the front end of the first FRP bridge deck 1, at the moment, the rotary joint 15 drives the driving helical gear 14 to rotate through the rotation of the joint 15, the helical gear 13 is driven to rotate through the rotation of the driving helical gear 14, the threaded shaft 12 is driven to rotate through the rotation of the helical gear 13, the fixed support 11 moves towards one end through the action of the threaded shaft 12 and the fixed support 11, when the fixed support 11 moves to the inner side of the second FRP bridge deck 8, a worker rotates the rotary joint 9, the rotary joint 9 drives the threaded column 10 to rotate through the rotation of the rotary joint 9, the rotary joint 9 moves downwards through the action of the threaded column 10 and the threaded groove, when the lower end face of the rotary joint 9 is tightly attached to the fixed support 11, the butt joint purpose of the first FRP bridge deck 1 and the second FRP bridge deck 8 is achieved, the butt joint efficiency is high, and the safety of the bridge deck is effectively improved under the action of the CRB550 stressed main reinforcement 18 and the C100 high-strength concrete 19.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 connection structure of bridge and FRP decking, includes FRP bridge floor (1), its characterized in that: the interior of the first FRP bridge floor (1) is provided with a connector (2), the lower end face of the connector (2) is fixedly provided with a cylindrical rod (3), the lower end face of the cylindrical rod (3) is fixedly provided with a bevel gear (4), both sides of the bevel gear (4) are provided with driven bevel gears (5), one side of each driven bevel gear (5) is fixedly provided with a threaded rod (6), the outer side of each threaded rod (6) is sleeved with a positioning column (7), the front end of the first FRP bridge floor (1) is provided with a second FRP bridge floor (8), the interior of the second FRP bridge floor (8) is provided with a rotary joint (9), the lower end face of the rotary joint (9) is fixedly provided with a threaded column (10), the lower end of the threaded column (10) is provided with a fixed support (11), and the inner side of the fixed support (11) is sleeved with a threaded shaft (12), helical gear (13) are installed to one side of screw shaft (12), initiative helical gear (14) are installed to the upper end of helical gear (13), the top fixed mounting of the upper end of initiative helical gear (14) has joint (15), bridge support (16) are installed to the lower extreme of a FRP bridge floor (1), the lower extreme fixed mounting of bridge support (16) has pier (17).

2. A connecting structure of a bridge and an FRP bridge deck as claimed in claim 1, wherein: the connector (2) and the cylindrical rod (3) are of an integrated structure, the cylindrical rod (3) and the bevel gear (4) are of an integrated structure, and the bevel gear (4) is meshed with the driven bevel gear (5).

3. A connecting structure of a bridge and an FRP bridge deck as claimed in claim 1, wherein: driven bevel gear (5) and threaded rod (6) are integrated structures, threaded rod (6) are connected with positioning column (7) through the thread groove.

4. A connecting structure of a bridge and an FRP bridge deck as claimed in claim 1, wherein: the bevel gear (13) is meshed with the driving bevel gear (14), and the driving bevel gear (14) and the joint (15) are of an integrated structure.

5. A connecting structure of a bridge and an FRP bridge deck as claimed in claim 1, wherein: the threaded shaft (12) is connected with the fixed support (11) through a threaded groove, the threaded column (10) is connected with the second FRP bridge deck (8) through a threaded groove, and the threaded column (10) and the rotary joint (9) are of an integrated structure.

6. A connecting structure of a bridge and an FRP bridge deck as claimed in claim 1, wherein: three sets of CRB550 stressed main reinforcements (18) are fixedly installed inside the bridge support (16), and C100 high-strength concrete (19) is poured on the inner sides of the three sets of CRB550 stressed main reinforcements (18).

7. A connection structure of a bridge and FRP bridge deck according to claim 6, wherein: the upper end of one CRB550 stress main rib (18) is fixedly provided with a bridge stress pad (20), the upper end of the bridge stress pad (20) is provided with a bridge deck support (21), and the bridge deck support (21) and the first FRP bridge deck (1) are of an integrated structure.