CN217174360U

CN217174360U - Wave form steel web prestressed concrete continuous rigid frame bridge telescoping device

Info

Publication number: CN217174360U
Application number: CN202220966579.7U
Authority: CN
Inventors: 董星雨; 李新文
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-12
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a wave form steel web prestressed concrete rigid frame bridge telescoping device in succession belongs to road bridge expansion joint technical field. The utility model discloses a bridge main part and pier, a plurality of first buffer boards of bridge main part lateral wall fixedly connected with, a plurality of second buffer boards of a pier lateral wall fixedly connected with, first buffer board and second buffer board sliding fit, a plurality of first spliced poles of a pier lateral wall fixedly connected with, a plurality of second spliced poles of bridge main part lateral wall fixedly connected with, a plurality of first connecting holes have been seted up to a bridge main part lateral wall, and a plurality of second connecting holes have been seted up to a pier lateral wall. The utility model discloses a set up multiunit spliced pole, multiunit connecting hole, connecting plate, dashpot and buffer spring, let the connectivity stronger between bridge main part and the pier, make the flexible more stable between pontic and the pier, be difficult for appearing rocking greatly promoted flexible stability.

Description

Wave form steel web prestressed concrete continuous rigid frame bridge telescoping device

Technical Field

The utility model relates to a road bridge expansion joint technical field especially relates to a wave form steel web prestressed concrete continuous rigid frame bridge telescoping device.

Background

Along with the change of temperature, because expend with heat and contract with cold's principle, the length of bridge also can change thereupon to cause the bridge tip to produce the displacement, in order to guarantee that the driving is smooth-going, must set up bridge expansion joint device. The bridge expansion device is the weakest part in a bridge structure, directly bears the repeated action of vehicle load, is easily influenced by various natural or external factors and is easily damaged, and the conventional bridge expansion device has poor buffering effect, general stability and insufficiently firm connection; therefore, the corrugated steel web prestressed concrete continuous rigid frame bridge expansion device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wave form steel web prestressed concrete rigid frame bridge telescoping device in succession, it is poor to solve current bridge telescoping device buffering effect, and stability is general and connect firm problem inadequately.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model discloses a wave form steel web prestressed concrete rigid frame bridge telescoping device in succession, including bridge main part and pier, a plurality of first buffer boards of bridge main part lateral wall fixedly connected with, a plurality of second buffer boards of pier lateral wall fixedly connected with, first buffer board and second buffer board sliding fit, a plurality of first spliced poles of pier lateral wall fixedly connected with, a plurality of second spliced poles of bridge main part lateral wall fixedly connected with, a plurality of first connecting holes have been seted up to a bridge main part lateral wall, first spliced pole and first connecting hole sliding fit, a plurality of second connecting holes have been seted up to a pier lateral wall, second spliced pole and second connecting hole sliding fit.

Further, a buffer groove has all been seted up to a first connecting hole and a second connecting hole lateral wall, the equal fixedly connected with connecting plate of first spliced pole and second spliced pole one end, connecting plate and buffer groove sliding fit, be connected with buffer spring between connecting plate and the buffer groove.

Furthermore, the peripheral sides of the first connecting hole and the second connecting hole are provided with buffer rings.

Further, surface mounting has a plurality of first spacing posts on the first buffer board, first spacing post internally mounted has first reset spring, first reset spring one end is connected with first buffer post, first buffer post one end is connected with another first buffer board bottom surface.

Further, surface mounting has a plurality of spacing posts of second on the second buffer board, spacing post internally mounted of second has second reset spring, second reset spring one end is connected with the second buffer post, second buffer post one end is connected with another second buffer board bottom surface.

Further, second buffer board upper surface fixed connection has the stopper, the spacing groove has been seted up to first buffer board bottom surface, stopper and spacing groove sliding fit.

Further, the upper surface of the pier is in sliding fit with a guide plate, and one side wall of the guide plate is connected with the first buffer plate.

The utility model discloses following beneficial effect has:

the utility model has the advantages that by arranging the plurality of groups of connecting columns, the plurality of groups of connecting holes, the connecting plates, the buffer slots and the buffer springs, the bridge main body and the bridge pier are more strongly connected, the expansion between the bridge body and the bridge pier is more stable, and the expansion stability is greatly improved due to the difficult occurrence of shaking; by arranging the buffer groove, the connecting plate, the buffer spring and the buffer ring, the bridge body can be stably reset, the telescopic structure has a good buffer reset effect, the buffer ring can effectively reduce the abrasion of the connecting column and the connecting hole when longitudinal acting force is applied to the connecting column and the connecting hole, and the service life of the device is prolonged; the buffer plate has a good supporting effect due to the multiple groups of limiting columns, the multiple groups of buffer columns and the multiple groups of reset springs.

Drawings

Fig. 1 is a schematic isometric view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a schematic view of the cross-section B-B in FIG. 3;

fig. 5 is a front view of the present invention.

In the figure: 1. a bridge main body; 2. a bridge pier; 3. a first buffer plate; 4. a second buffer plate; 5. a first connecting column; 6. a first connection hole; 7. a buffer tank; 8. a connecting plate; 9. a buffer spring; 10. a buffer ring; 11. a limiting groove; 12. a limiting block; 13. a second connecting column; 14. a second connection hole; 15. a guide plate; 16. a first limit post; 17. a first return spring; 18. a first buffer column; 19. a second limit post; 20. a second return spring; 21. a second buffer column.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the corrugated steel web prestressed concrete continuous rigid frame bridge expansion device of the present embodiment includes a bridge main body 1 and a bridge pier 2, a side wall of the bridge main body 1 is fixedly connected with a plurality of first buffer plates 3, a side wall of the bridge pier 2 is fixedly connected with a plurality of second buffer plates 4, the first buffer plates 3 are in sliding fit with the second buffer plates 4, a side wall of the bridge pier 2 is fixedly connected with a plurality of first connecting columns 5, a side wall of the bridge main body 1 is fixedly connected with a plurality of second connecting columns 13, a side wall of the bridge main body 1 is provided with a plurality of first connecting holes 6, the first connecting columns 5 are in sliding fit with the first connecting holes 6, a side wall of the bridge pier 2 is provided with a plurality of second connecting holes 14, and the second connecting columns 13 are in sliding fit with the second connecting holes 14; first spliced pole 5 cooperates first connecting hole 6, and second spliced pole 13 cooperation second connecting hole 14 lets the connectivity stronger between bridge main part 1 and the pier 2, makes the flexible more stable between the pontic and the pier 2, and difficult appearance rocks and has greatly promoted flexible stability.

Buffer grooves 7 are formed in one side wall of each of the first connecting hole 6 and the second connecting hole 14, one end of each of the first connecting column 5 and the second connecting column 13 is fixedly connected with a connecting plate 8, the connecting plate 8 is in sliding fit with the buffer grooves 7, and buffer springs 9 are connected between the connecting plates 8 and the buffer grooves 7; the connecting plate 8 cooperates with the buffer slot 7, and the buffer spring 9 enables the bridge body to stably reset, so that the telescopic structure has a good buffer reset effect.

The peripheral sides of the first connecting hole 6 and the second connecting hole 14 are provided with the buffer rings 10, the buffer rings 10 can effectively reduce the abrasion of the connecting column and the connecting holes when the connecting column and the connecting holes are subjected to longitudinal acting force, and the service life of the device is prolonged.

A plurality of first limiting columns 16 are mounted on the upper surface of the first buffer plate 3, first return springs 17 are mounted inside the first limiting columns 16, one ends of the first return springs 17 are connected with first buffer columns 18, and one ends of the first buffer columns 18 are connected with the bottom surface of the other first buffer plate 3; the first limit column 16 cooperates with the first buffer column 18 and the first return spring 17, so that the first buffer plate 3 has a good supporting effect.

A plurality of second limiting columns 19 are arranged on the upper surface of the second buffer plate 4, second return springs 20 are arranged in the second limiting columns 19, one ends of the second return springs 20 are connected with second buffer columns 21, and one ends of the second buffer columns 21 are connected with the bottom surface of the other second buffer plate 4; the second limiting column 19 is matched with the second buffer column 21 and the second return spring 20, so that the second buffer plate 4 has a good supporting effect.

Fixed surface is connected with stopper 12 on the second buffer board 4, and spacing groove 11 has been seted up to first buffer board 3 bottom surface, stopper 12 and spacing groove 11 sliding fit.

The upper surface sliding fit of pier 2 has baffle 15, and a baffle 15 lateral wall is connected with first buffer board 3, and baffle 15 lets the bridge body can be stable travel.

The working principle of the embodiment is as follows: the first connecting column 5 is matched with the first connecting hole 6, and the second connecting column 13 is matched with the second connecting hole 14, so that the bridge main body 1 and the bridge pier 2 are stronger in connectivity, the bridge body and the bridge pier 2 are more stable in expansion and contraction, and shaking is not easy to occur; the connecting plate 8 is matched with the buffer groove 7, and the buffer spring 9 enables the bridge body to stably reset, so that the telescopic structure has a good buffer resetting effect; the buffer ring 10 can effectively reduce the abrasion of the connecting column and the connecting hole when the connecting column and the connecting hole are subjected to longitudinal acting force; the first limiting column 16 is matched with the first buffer column 18 and the first return spring 17, so that the first buffer plate 3 has a good supporting effect; the second limiting column 19 is matched with the second buffer column 21 and the second return spring 20, so that the second buffer plate 4 has a good supporting effect; the guide plate 15 allows the bridge to stably travel.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a wave form steel web prestressed concrete continuous rigid frame bridge telescoping device, includes bridge subject (1) and pier (2), its characterized in that: bridge main part (1) a plurality of first buffer board (3) of a side wall fixedly connected with, a plurality of second buffer board (4) of pier (2) a side wall fixedly connected with, first buffer board (3) and second buffer board (4) sliding fit, a plurality of first spliced pole (5) of pier (2) a side wall fixedly connected with, a plurality of second spliced pole (13) of bridge main part (1) a side wall fixedly connected with, a plurality of first connecting hole (6) have been seted up to bridge main part (1) a side wall, first spliced pole (5) and first connecting hole (6) sliding fit, a plurality of second connecting holes (14) have been seted up to pier (2) a side wall, second spliced pole (13) and second connecting hole (14) sliding fit.

2. The expansion device of the corrugated steel web prestressed concrete continuous rigid frame bridge of claim 1, wherein: buffer slot (7) have all been seted up to first connecting hole (6) and second connecting hole (14) a lateral wall, the equal fixedly connected with connecting plate (8) of first spliced pole (5) and second spliced pole (13) one end, connecting plate (8) and buffer slot (7) sliding fit, be connected with buffer spring (9) between connecting plate (8) and buffer slot (7).

3. The expansion device of the corrugated steel web prestressed concrete continuous rigid frame bridge of claim 1, wherein: and buffer rings (10) are arranged on the peripheral side surfaces of the first connecting hole (6) and the second connecting hole (14).

4. The expansion device of the corrugated steel web prestressed concrete continuous rigid frame bridge of claim 1, wherein: surface mounting has a plurality of first spacing posts (16) on first buffer board (3), first spacing post (16) internally mounted has first reset spring (17), first reset spring (17) one end is connected with first buffer post (18), first buffer post (18) one end is connected with another first buffer board (3) bottom surface.

5. The expansion device of the corrugated steel web prestressed concrete continuous rigid frame bridge of claim 1, wherein: surface mounting has a plurality of spacing posts of second (19) on second buffer board (4), spacing post of second (19) internally mounted has second reset spring (20), second reset spring (20) one end is connected with second buffer post (21), second buffer post (21) one end is connected with another second buffer board (4) bottom surface.

6. The expansion device of the corrugated steel web prestressed concrete continuous rigid frame bridge of claim 1, wherein: fixed surface is connected with stopper (12) on second buffer board (4), spacing groove (11) have been seted up to first buffer board (3) bottom surface, stopper (12) and spacing groove (11) sliding fit.

7. The expansion device of the corrugated steel web prestressed concrete continuous rigid frame bridge of claim 1, wherein: the upper surface of the pier (2) is in sliding fit with a guide plate (15), and one side wall of the guide plate (15) is connected with the first buffer plate (3).