CN214459597U

CN214459597U - Comb-tooth type bridge expansion device

Info

Publication number: CN214459597U
Application number: CN202021717560.6U
Authority: CN
Inventors: 李苗苗
Original assignee: Yunnan Dianyue Highway Engineering Co ltd
Current assignee: Yunnan Dianyue Highway Engineering Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-10-22
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a broach formula bridge telescoping device relates to bridge construction technical field, including the first bridge body, the second bridge body, the top fixed mounting of the first bridge body has seam fishback, the top fixed mounting of the second bridge body has fixed fishback, the bottom fixed mounting who strides seam fishback has the rubber pad, first mounting groove has been seted up to inside one side of the first bridge body, the interior diapire fixed mounting of first mounting groove has the fixed plate. The utility model discloses broach formula bridge telescoping device can effectually cushion the vibrations of seam fishback striding on the first bridge body, can effectually cushion the vibrations of seam fishback striding on the second bridge body, and the buffering area is great, and buffering effect is better, can effectually carry out vibration/noise reduction, can filter debris such as the rubble that gets into the bridge gap to effectually avoid the rubble to pile up on the flexible waterstop, prevent that the flexible waterstop is impaired.

Description

Comb-tooth type bridge expansion device

Technical Field

The utility model relates to a bridge building technical field specifically is a comb-tooth formula bridge telescoping device.

Background

In order to meet the requirement of bridge body deformation, a bridge expansion device is generally arranged between two beam ends of a bridge, between the beam ends and an abutment or on the hinged position of the bridge, but with the development of highway transportation, the highway traffic volume and the automobile load are increasingly large, and the requirements on various telescopic performances of the highway bridge are continuously improved.

At present, the traditional comb-tooth type expansion device adopts rigid connection, can meet multidirectional displacement, but is lack of damping property, and has the defects of high noise, high loss, easy vehicle jumping and the like, the bridge deck pavement is easy to break under the impact of load, and the bridge body is damaged in different degrees.

Therefore, it is necessary to provide a comb-type bridge expansion device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comb-tooth type bridge telescoping device to propose the relatively poor problem of easily piling up the rubble of current comb-tooth type bridge telescoping device shock-absorbing measure among the solution above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a comb-tooth type bridge expansion device comprises a first bridge body and a second bridge body, wherein a seam crossing comb plate is fixedly mounted at the top of the first bridge body, a fixed comb plate is fixedly mounted at the top of the second bridge body, a rubber pad is fixedly mounted at the bottom of the seam crossing comb plate, a first mounting groove is formed in one side of the inside of the first bridge body, a fixed plate is fixedly mounted on the inner bottom wall of the first mounting groove, a first damping spring is fixedly mounted at the top of the fixed plate, a movable plate is fixedly mounted at the top end of the first damping spring, slide bars are fixedly mounted on two sides of the top of the fixed plate, a second mounting groove is formed in the other side of the inside of the first bridge body, a first spring plate is fixedly mounted on the inner bottom wall of the second mounting groove, a second damping spring is fixedly mounted on two sides of the top of the first spring plate, a second spring plate is fixedly mounted on the top end of the second damping spring, the bridge is characterized in that a third mounting groove is formed in one side inside the second bridge body, a fixing column is fixedly mounted on the inner bottom wall of the third mounting groove, a movable cylinder is movably connected to the outer side of the top end of the fixing column, a third damping spring is fixedly mounted at the inner top of the movable cylinder, a flexible filter belt is fixedly mounted between the first bridge body and the second bridge body, and a flexible water stop belt is fixedly mounted between the first bridge body and the second bridge body and close to the bottom of the flexible filter belt.

Optionally, a first anchor bolt is fixedly mounted inside the first bridge body, and the top end of the first anchor bolt penetrates through the rubber pad and is fixed to the seam-crossing comb plate.

Optionally, the bottom of the rubber pad is provided with a groove, and the top end of the sliding rod penetrates through the movable plate and extends into the groove.

Optionally, the inside fixed mounting of the second bridge body has the fixed crab-bolt of second, the top of the fixed crab-bolt of second is fixed with fixed broach board, the inside of the first bridge body and the second bridge body all is provided with the pre-buried muscle.

Optionally, the top of the movable plate is fixed to the bottom of the rubber pad, and the tops of the second spring plate and the movable cylinder are fixed to the bottom of the seam crossing comb plate.

Optionally, one end of the seam crossing comb plate is mounted on the first bridge body, and the other end of the seam crossing comb plate crosses a gap between the first bridge body and the second bridge body and is mounted on the second bridge body.

Optionally, a plurality of filtering holes are formed in the outer surface of the flexible filtering belt, and the flexible filtering belt is U-shaped.

The utility model discloses a technological effect and advantage:

1. the utility model discloses, through the rubber pad, the fixed plate, first damping spring, the fly leaf, first spring board, second damping spring, cooperation setting between the second spring board, can effectually cushion the vibrations of striding seam fishback on the first bridge body, through the fixed column, a movable section of thick bamboo, cooperation setting between the third damping spring, can effectually cushion the vibrations of striding seam fishback on the second bridge body, the buffering area is great, the buffering effect is better, can effectually carry out vibration/noise reduction, the relatively poor problem of shock-absorbing measure has been solved.

2. The utility model discloses, through being equipped with flexible filter belt, can filter debris such as the rubble that gets into the bridge gap to effectually avoid the rubble to pile up on the flexible waterstop, prevent that the flexible waterstop is impaired, avoid waterproof function to appear the defect, solved the problem of easily piling up the rubble.

Drawings

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

FIG. 2 is a schematic sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic perspective view of the movable plate structure of the present invention.

In the figure: 1. a first bridge body; 2. a second bridge body; 3. a seam crossing comb plate; 4. fixing the comb plate; 5. a rubber pad; 6. a first anchor bolt; 7. a first mounting groove; 8. a fixing plate; 9. a first damping spring; 10. a movable plate; 11. a slide bar; 12. a groove; 13. a second mounting groove; 14. a first spring plate; 15. a second damping spring; 16. a second spring plate; 17. a third mounting groove; 18. fixing a column; 19. a movable barrel; 20. a third damping spring; 21. a flexible filter belt; 22. a flexible water stop; 23. a second fixing anchor; 24. and (5) embedding the ribs.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a comb-tooth type bridge expansion device as shown in figures 1-4, which comprises a first bridge body 1 and a second bridge body 2, wherein the first bridge body 1 and the second bridge body 2 are formed by concrete pouring, a seam-crossing comb plate 3 is fixedly arranged at the top of the first bridge body 1, a fixed comb plate 4 is fixedly arranged at the top of the second bridge body 2, comb teeth of the seam-crossing comb plate 3 and the fixed comb plate 4 are mutually crossed and have a gap, one end of the seam-crossing comb plate 3 is arranged at the first bridge body 1, the other end of the seam-crossing comb plate 3 crosses the gap between the first bridge body 1 and the second bridge body 2 and is arranged at the second bridge body 2, a second fixed anchor bolt 23 is fixedly arranged inside the second bridge body 2, the top end of the second fixed anchor bolt 23 is fixed with the fixed comb plate 4, pre-buried ribs 24 are arranged inside the first bridge body 1 and the second bridge body 2, a rubber pad 5 is fixedly installed at the bottom of the seam crossing comb plate 3, a first anchor bolt 6 is fixedly installed inside the first bridge body 1, the top end of the first anchor bolt 6 penetrates through the rubber pad 5 and is fixed with the seam crossing comb plate 3, a groove 12 is formed in the bottom of the rubber pad 5, a first installation groove 7 is formed in one side inside the first bridge body 1, a fixed plate 8 is fixedly installed on the inner bottom wall of the first installation groove 7, a first damping spring 9 is fixedly installed at the top of the fixed plate 8, a movable plate 10 is fixedly installed at the top end of the first damping spring 9, the top end of the movable plate 10 is fixed with the bottom of the rubber pad 5, slide bars 11 are fixedly installed on both sides of the top of the fixed plate 8, the top end of each slide bar 11 penetrates through the movable plate 10 and extends into the groove 12, a second installation groove 13 is formed in the other side inside the first bridge body 1, a first spring plate 14 is fixedly installed on the inner bottom wall of the second installation groove 13, the two sides of the top of the first spring plate 14 are fixedly provided with second damping springs 15, the top of the second damping springs 15 is fixedly provided with a second spring plate 16, the vibration of the seam-crossing comb plate 3 on the first bridge body 1 can be effectively buffered through the matching arrangement of the rubber pads 5, the fixed plate 8, the first damping springs 9, the movable plate 10, the first spring plate 14, the second damping springs 15 and the second spring plate 16, a third installation groove 17 is formed in one side inside the second bridge body 2, a fixed column 18 is fixedly arranged on the inner bottom wall of the third installation groove 17, the outer side of the top end of the fixed column 18 is movably connected with a movable cylinder 19, the tops of the second spring plate 16 and the movable cylinder 19 are fixed with the bottom of the seam-crossing comb plate 3, a third damping spring 20 is fixedly arranged on the inner top of the movable cylinder 19, and the third damping spring 20 is arranged through the matching arrangement of the fixed column 18, the movable cylinder 19 and the third damping spring 20, can effectually cushion the vibrations of seam fishback 3 on the second bridge body 2, the buffer area is great, the cushioning effect is better, can effectually carry out vibration/noise reduction, the relatively poor problem of shock-absorbing measure has been solved, fixed mounting has flexible filter belt 21 between the first bridge body 1 and the second bridge body 2, a plurality of filtration pores have been seted up to flexible filter belt 21's surface, flexible filter belt 21 is the U type, be close to flexible filter belt 21's bottom fixed mounting between the first bridge body 1 and the second bridge body 2 and have flexible waterstop 22, through being equipped with flexible filter belt 21, can filter debris such as the rubble that gets into the bridge gap, thereby effectually avoid the rubble to pile up on flexible waterstop 22, prevent that flexible waterstop 22 is impaired, avoid waterproof function defect, the problem of easily piling up has been solved.

This practical theory of operation: when striding seam fishback 3 and receiving vibrations on first bridge body 1, through rubber pad 5, first damping spring 9, the flexible of second damping spring 15, to striding seam fishback 3 vibrations cushion, when striding seam fishback 3 and receiving vibrations on second bridge body 2, through rubber pad 5 and the flexible of third damping spring 20, can cushion striding seam fishback 3 vibrations, the cushioning effect is better, when the aquatic contains debris such as rubble, flexible cassette 21 filters debris such as rubble, the rethread filtration pore is discharged water.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a comb-tooth formula bridge telescoping device, includes the first bridge body (1), the second bridge body (2), its characterized in that: the top of the first bridge body (1) is fixedly provided with a seam crossing comb plate (3), the top of the second bridge body (2) is fixedly provided with a fixed comb plate (4), the bottom of the seam crossing comb plate (3) is fixedly provided with a rubber pad (5), one side of the inside of the first bridge body (1) is provided with a first mounting groove (7), the inner bottom wall of the first mounting groove (7) is fixedly provided with a fixed plate (8), the top of the fixed plate (8) is fixedly provided with a first damping spring (9), the top end of the first damping spring (9) is fixedly provided with a movable plate (10), two sides of the top of the fixed plate (8) are both fixedly provided with a sliding rod (11), the other side of the inside of the first bridge body (1) is provided with a second mounting groove (13), the inner bottom wall of the second mounting groove (13) is fixedly provided with a first spring plate (14), the equal fixed mounting in top both sides of first spring board (14) has second damping spring (15), the top fixed mounting of second damping spring (15) has second spring board (16), third mounting groove (17) have been seted up to inside one side of the second bridge body (2), the interior diapire fixed mounting of third mounting groove (17) has fixed column (18), the top outside swing joint of fixed column (18) has a movable section of thick bamboo (19), the interior top fixed mounting of a movable section of thick bamboo (19) has third damping spring (20), fixed mounting has flexible waterstop (21) between the first bridge body (1) and the second bridge body (2), the bottom fixed mounting that is close to flexible waterstop (21) between the first bridge body (1) and the second bridge body (2) has flexible waterstop (22).

2. The comb-tooth bridge expansion device of claim 1, wherein:

the inside fixed mounting of first bridge body (1) has first anchor bolt (6), the top of first anchor bolt (6) runs through rubber pad (5) and is fixed mutually with seam fishback (3) striding.

3. The comb-tooth bridge expansion device of claim 1, wherein:

the bottom of the rubber pad (5) is provided with a groove (12), and the top end of the sliding rod (11) penetrates through the movable plate (10) and extends into the groove (12).

4. The comb-tooth bridge expansion device of claim 1, wherein:

the inside fixed mounting of the second bridge body (2) has the fixed crab-bolt of second (23), the top of the fixed crab-bolt of second (23) is fixed mutually with fixed fishback (4), the inside of the first bridge body (1) and the second bridge body (2) all is provided with pre-buried muscle (24).

5. The comb-tooth bridge expansion device of claim 1, wherein:

the top of the movable plate (10) is fixed with the bottom of the rubber pad (5), and the tops of the second spring plate (16) and the movable cylinder (19) are fixed with the bottom of the seam-crossing comb plate (3).

6. The comb-tooth bridge expansion device of claim 1, wherein:

one end of the seam crossing comb plate (3) is arranged on the first bridge body (1), and the other end of the seam crossing comb plate (3) crosses a seam between the first bridge body (1) and the second bridge body (2) and is arranged on the second bridge body (2).

7. The comb-tooth bridge expansion device of claim 1, wherein:

a plurality of filtering holes are formed in the outer surface of the flexible filtering belt (21), and the flexible filtering belt (21) is U-shaped.