CN216474486U

CN216474486U - Bridge shock attenuation telescoping device

Info

Publication number: CN216474486U
Application number: CN202123273572.1U
Authority: CN
Inventors: 马季; 许爱娟; 马泽林; 黄增如
Original assignee: Jiangsu Tongda Engineering Technology Co ltd
Current assignee: Jiangsu Tongda Engineering Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-10
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a bridge shock attenuation telescoping device, include: a first bridge body and a second bridge body, wherein a gap is arranged between the first bridge body and the second bridge body, a waterproof rubber strip is arranged between the gaps, a first mounting groove is arranged above the first bridge body, the bridge damping telescopic device not only can meet the requirements of displacement, deflection and the like of a bridge, but also can be used for damping the vibration of the bridge through the arranged damper, the vibrations that can effectively avoid the telescoping device, lead to the damage of telescoping device, carry out absorbing effect to it when having satisfied the multi-directional displacement of telescoping device through spring one and bumper shock absorber, the upper and lower both ends of spring two are equipped with buffer board and lower buffer board respectively, the shock attenuation effect has not only been improved, the damage of spring to first fishback has effectively been reduced in addition, the blotter of first mounting groove and second mounting groove tank bottom installation can play the shock attenuation to first fishback and second fishback, when also having reduced the damage of first fishback and second fishback.

Description

Bridge shock attenuation telescoping device

Technical Field

The utility model relates to a bridge construction technical field, in particular to bridge shock attenuation telescoping device.

Background

The expansion device used on the bridge in China is developed along with the development of the traffic cause in China. Along with the increase of the number of highways and bridges in construction, the corresponding expansion devices used at the joints of the bridges are required to meet the functional requirements, and the form of the expansion devices and the driving comfort are continuously improved and perfected. The bridge telescoping device is because need directly bear the repeated impact effect of wheel load to the position at telescoping device place is whole bridge construction weakest, is destroyed relatively easily. Therefore, the telescopic device is not only required to be simple in structure, easy to replace and capable of meeting the function, but also required to be convenient to install and firmly combined with the beam body and the abutment.

The comb plate type telescopic device has higher rigidity and strong impact resistance; can bear larger horizontal deflection; better driving stability; the installation height is low; the construction is swift, advantages such as easy maintenance are widely used. However, the comb-shaped plate type bridge device and the unit type multidirectional displacement expansion device are usually fixed by a comb-shaped plate on one side, and have poor damping effect, so that the expansion device is damaged quickly.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned among the prior art, the utility model provides a bridge shock attenuation telescoping device.

In order to achieve the above object, the utility model adopts the following technical scheme:

a bridge shock absorbing telescopic device comprising: the bridge comprises a first bridge body and a second bridge body, wherein a gap is formed between the first bridge body and the second bridge body, a waterproof rubber strip is arranged between the gaps, a first mounting groove is formed above the first bridge body, a second mounting groove is formed on the second bridge body, a rectangular groove is formed in one side of the first mounting groove, a shock absorber is arranged in the center of the bottom surface of the rectangular groove, a movable hinge is arranged above the shock absorber, fixing plates are symmetrically arranged on two sides of the upper portion of the shock absorber, a first spring is arranged on one side, away from the shock absorber, of each fixing plate, a first comb plate is arranged above the first mounting groove, a first fastening bolt is arranged on one side of the first comb plate, a circular groove is formed in one side of the second mounting groove, a lower buffer plate is arranged at the bottom of the circular groove, a second spring is arranged above the lower buffer plate, and an upper buffer plate is arranged above the second spring, and a second comb plate is arranged above the second mounting groove, and a second fastening bolt is arranged on one side of the second comb plate.

As an improvement, the first comb plate is fixed with the first bridge body through the first fastening bolt.

As an improvement, the second comb plate is fixed with the second bridge body through the second fastening bolt.

As the improvement, the bottoms of the first mounting groove and the second mounting groove are provided with cushion pads.

As an improvement, the buffer pad, the upper buffer plate and the lower buffer plate are all made of rubber materials.

As a modification, the circular groove is located below one end of the first comb plate away from the first fastening bolt.

The utility model has the advantages that:

this bridge shock attenuation telescoping device, not only can satisfy the displacement of bridge, shift etc., and through the bumper shock absorber that is equipped with, can effectively avoid telescoping device's vibrations, lead to telescoping device's damage, carry out absorbing effect to it when having satisfied the multi-directional displacement of telescoping device through spring one and bumper shock absorber, the upper and lower both ends of spring two are equipped with buffer board and lower buffer board respectively, the shock attenuation effect has not only been improved, the damage of two pairs of first fishback of spring has still been reduced effectively, the blotter of first mounting groove and second mounting groove tank bottom installation can play the shock attenuation to first fishback and second fishback when, the damage of first fishback and second fishback has also been reduced.

Drawings

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

FIG. 2 is an enlarged schematic view of A in FIG. 1;

fig. 3 is an enlarged structural diagram of B in fig. 1.

Reference symbol comparison table:

1. a first bridge body; 2. a second bridge body; 3. a gap; 4. a waterproof rubber strip; 5. a second mounting groove; 6. a first mounting groove; 7. a cushion pad; 8. a first fastening bolt; 9. a second fastening bolt; 10. a rectangular groove; 11. a shock absorber; 12. a living hinge; 13. a fixing plate; 14. a second comb plate; 15. a first spring; 16. a circular groove; 17. a lower buffer plate; 18. a second spring; 19. an upper buffer plate; 20. first fishback.

Detailed Description

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, a bridge damping telescopic device comprises: a first bridge body 1 and a second bridge body 2.

Be equipped with gap 3 between the first bridge body 1 and the second bridge body 2, be equipped with waterproof rubber strip 4 between the gap 3, the top of the first bridge body 1 is equipped with first mounting groove 6, be equipped with second mounting groove 5 on the second bridge body 2, one side of first mounting groove 6 is equipped with rectangle recess 10.

As shown in fig. 2, a shock absorber 11 is arranged at the center of the bottom surface of the rectangular groove 10, a movable hinge 12 is arranged above the shock absorber 11, fixing plates 13 are symmetrically arranged on two sides above the shock absorber 11, and a first spring 15 is arranged on one side, far away from the shock absorber 11, of each fixing plate 13.

As shown in fig. 1 and 3, a first comb plate 20 is arranged above the first mounting groove 6, a first fastening bolt 8 is arranged on one side of the first comb plate 20, a circular groove 16 is arranged on one side of the second mounting groove 5, a lower buffer plate 17 is arranged at the bottom of the circular groove 16, a second spring 18 is arranged above the lower buffer plate 17, an upper buffer plate 19 is arranged above the second spring 18, a second comb plate 14 is arranged above the second mounting groove 5, and a second fastening bolt 9 is arranged on one side of the second comb plate 14.

The first comb plate 20 is fixed to the first bridge body 1 by the first fastening bolt 8, and the second comb plate 14 is fixed to the second bridge body 2 by the second fastening bolt 9.

The tank bottoms of first mounting groove 6 and second mounting groove 5 all are equipped with blotter 7, blotter 7 the material of going up buffer board 19 and lower buffer board 17 is rubber materials.

The circular groove 16 is located below the end of the first comb plate 20 remote from the first fastening bolt 8.

The utility model discloses at its during operation, first fishback 20 and second fishback 14 are placed respectively on first mounting groove 6 and second mounting groove 5, then carry out fixed connection through first fastening bolt 8 and second fastening bolt 9.

When the car passes through the telescoping device, blotter 7 can reduce external buffering, has also reduced first fishback 20 and second fishback 14, and the damage that causes with the direct contact of first bridge body 1 and second bridge body 2, the vibrations power of the part that bumper shock absorber 11 can reduce does the less damage of telescoping device of great degree.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bridge shock attenuation telescoping device which characterized in that includes: the bridge structure comprises a first bridge body (1) and a second bridge body (2), a gap (3) is arranged between the first bridge body (1) and the second bridge body (2), a waterproof rubber strip (4) is arranged between the gaps (3), a first mounting groove (6) is arranged above the first bridge body (1), a second mounting groove (5) is arranged on the second bridge body (2), a rectangular groove (10) is arranged on one side of the first mounting groove (6), a shock absorber (11) is arranged at the center of the bottom surface of the rectangular groove (10), a movable hinge (12) is arranged above the shock absorber (11), fixing plates (13) are symmetrically arranged on two sides above the shock absorber (11), a first spring (15) is arranged on one side, far away from the shock absorber (11), of each fixing plate (13), a first comb plate (20) is arranged above the first mounting groove (6), one side of first fishback (20) is equipped with first fastening bolt (8), one side of second mounting groove (5) is equipped with circular recess (16), the bottom of circular recess (16) is equipped with down buffer board (17), the top of buffer board (17) is equipped with spring two (18) down, the top of spring two (18) is equipped with buffer board (19), the top of second mounting groove (5) is equipped with second fishback (14), one side of second fishback (14) is equipped with second fastening bolt (9).

2. A bridge shock absorbing telescopic device according to claim 1, characterized in that said first comb plate (20) is fixed with said first bridge body (1) by said first fastening bolt (8).

3. A bridge shock absorbing telescopic device according to claim 1, characterized in that said second comb plate (14) is fixed with said second bridge body (2) by means of said second fastening bolt (9).

4. The bridge shock-absorbing telescopic device according to claim 1, wherein the bottom of each of the first installation groove (6) and the second installation groove (5) is provided with a buffer pad (7).

5. A shock-absorbing telescopic device for bridge according to claim 4, characterized in that said buffer pads (7), said upper buffer plate (19) and said lower buffer plate (17) are made of rubber material.

6. A bridge shock absorbing telescopic device according to claim 1, characterized in that said circular groove (16) is located below the end of said first comb plate (20) remote from said first fastening bolt (8).