CN211522839U

CN211522839U - Bridge shock-absorbing structure

Info

Publication number: CN211522839U
Application number: CN201922363677.2U
Authority: CN
Inventors: 陈真佗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-18
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a bridge shock-absorbing structure, including first fixed plate, second fixed plate, fixed block and second telescopic link, the top symmetry of first fixed plate is provided with the second fixed plate, and waits between second fixed plate and the first fixed plate and install first telescopic link, every the fixed block has all been welded at the upper and lower both ends of first telescopic link, every from top to bottom the fixed block other end all welds respectively on the lateral wall of second fixed plate and first fixed plate, every first spring has all been cup jointed to the surface of first telescopic link, and the upper and lower both ends of first spring all weld on first telescopic link. This bridge shock-absorbing structure passes through connecting block direct interconnect, decomposes power to the second telescopic link of both sides on, has realized shifting each other and sharing of power between the structure for the shock-absorbing structure of device is more effective and safe, prevents simultaneously that first spring and second spring from being compressed excessively, has improved the life of structure.

Description

Bridge shock-absorbing structure

Technical Field

The utility model relates to a shock-absorbing structure technical field specifically is a bridge shock-absorbing structure.

Background

Bridge, a building of crossing over natural or artificial barrier for the road, bridge can receive the vibrations that its road surface car normally drove and produce when normal use, so the bridge generally all is provided with shock-absorbing structure before the construction, traditional shock-absorbing structure weakens through the extrusion force effect that the spring received both ends from top to bottom, its shock-absorbing structure can only be according to self structural feature, offset or weaken power, can not decompose other damper with this power on, but when the shaking force that a certain position bore is great, can lead to the bridge to collapse, therefore need a bridge shock-absorbing structure to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge shock-absorbing structure to solve the problem that traditional shock-absorbing structure who proposes in the above-mentioned background art can not decompose power.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge damping structure comprises a first fixing plate, a second fixing plate, telescopic rods and a second telescopic rod, wherein the second fixing plate is symmetrically arranged above the first fixing plate, the first telescopic rods are arranged between the second fixing plate and the first fixing plate in an equal interval, the upper end and the lower end of each first telescopic rod are welded with fixing blocks, the other ends of the upper fixing block and the lower fixing block are respectively welded on the side walls of the second fixing plate and the first fixing plate, the outer surface of each first telescopic rod is sleeved with a first spring, the upper end and the lower end of the first spring are both welded on the first telescopic rod, each fixing block is symmetrically hinged with a connecting rod through a hinged shaft, the other end of each connecting rod is hinged with a connecting block through another hinged shaft, the bottom end of each connecting block is welded with a sliding block, a third fixing plate is arranged between the first fixing plate and the second fixing plate, the third fixed plate inscription is seted up with every slider complex slide rail, every two all welding has the second telescopic link between two connecting blocks between the first telescopic link, every the surface of second telescopic link has all cup jointed the second spring, and the both ends all weld on the second telescopic link about the second spring, every two all be provided with the bracing piece between the first telescopic link, and the bottom of bracing piece all welds on first fixed plate, every the top of bracing piece all is glued there is the second rubber pad.

Preferably, the maximum compression distance of the first springs is larger than the maximum distance of the connecting blocks moving in the sliding rail.

Preferably, the maximum distance that the connecting block moved in the slide rail equals the distance of second rubber pad top to second fixed plate bottom.

Preferably, the distance between the upper end and the lower end of the front side of each sliding rail is smaller than the distance between the upper end and the lower end of each sliding block.

Preferably, the left side and the right side of each sliding rail are glued with the first rubber pads.

Preferably, the maximum compression distance of the second spring is greater than twice the maximum distance that the connecting block moves within the slide rail.

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

1. this bridge shock-absorbing structure is provided with the second telescopic link, the fixed block, first spring, the articulated shaft, the connecting rod, connecting block and slide rail, when a certain department of second fixed plate receives the extrusion force, on the first telescopic link of its bottom of strength effect, drive two connecting rods and remove to both sides in the compression fixed block, and promote the connecting block and remove to both sides, compress the second spring, the reaction force that first spring and second spring produced is direct and indirect has offset the extrusion force that the second fixed plate received, simultaneously through connecting block direct interconnect, on the second telescopic link of both sides is decomposed to power, the mutual transfer and sharing of power between the structure have been realized, make the shock-absorbing structure of device more effective and safe.

2. This bridge shock-absorbing structure is provided with first rubber pad, the bracing piece, the slider and, the distance at both ends is greater than between the upper and lower both ends of slider about the slide rail front side to can prevent that the slider from following the slide rail roll-off when the second fixed plate is extruded on the second rubber pad, the bracing piece can prevent that the second fixed plate continues the compression, the second rubber pad on bracing piece top can prevent that the second fixed plate from wearing and tearing simultaneously, prevent that first spring and second spring from being compressed excessively simultaneously, improved the life of structure.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front sectional view of the structure of the present invention in a compressed state;

fig. 3 is a schematic front sectional view of a partial structure of the connecting block, the slide rail, the third fixing plate and the slide block of the present invention;

fig. 4 is the local structure of connecting block, slide rail, third fixed plate and slider of the utility model looks sideways at the section schematic diagram.

In the figure: 1. a first fixing plate; 2. a second fixing plate; 3. a first telescopic rod; 4. a fixed block; 5. a first spring; 6. hinging a shaft; 7. a connecting rod; 8. connecting blocks; 9. a slide rail; 10. a third fixing plate; 11. a first rubber pad; 12. a second telescopic rod; 13. a second spring; 14. a support bar; 15. a second rubber pad; 16. a slide block.

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

Referring to fig. 1-4, the present invention provides an embodiment: a bridge damping structure comprises a first fixing plate 1, a second fixing plate 2, a first telescopic rod 3 and a second telescopic rod 12, wherein the second fixing plate 2 is symmetrically arranged above the first fixing plate 1, the first telescopic rod 3 is arranged between the second fixing plate 2 and the first fixing plate 1 at equal intervals, the first telescopic rod 3 is a telescopic hollow cylindrical rod formed by rolling metal strips or plastic sheets, the upper end and the lower end of each first telescopic rod 3 are welded with fixing blocks 4, the other ends of the upper fixing block and the lower fixing block 4 are respectively welded on the side walls of the second fixing plate 2 and the first fixing plate 1, the outer surface of each first telescopic rod 3 is sleeved with a first spring 5, the upper end and the lower end of each first spring 5 are welded on the first telescopic rod 3, the maximum compression distance of each first spring 5 is larger than the maximum distance of the connecting block 8 moving in a sliding rail 9, and the function of limiting the compression distance of each first spring 5 by limiting the moving distance of the connecting block 8, the first spring 5 is prevented from being excessively compressed, the service life of the first spring 5 is prolonged, each fixed block 4 is symmetrically hinged with a connecting rod 7 through a hinged shaft 6, the other end of each connecting rod 7 is hinged with a connecting block 8 through another hinged shaft 6, a sliding block 16 is welded at the bottom end of each connecting block 8, a third fixed plate 10 is arranged between the first fixed plate 1 and the second fixed plate 2, a sliding rail 9 matched with each sliding block 16 is arranged in the third fixed plate 10 in an inscribed mode, the distance between the upper end and the lower end of the front side of each sliding rail 9 is smaller than the distance between the upper end and the lower end of each sliding block 16, the sliding blocks 16 are prevented from moving out of the sliding, thereby fixing the sliding blocks 16 in the sliding rails 9, the left side and the right side of each sliding rail 9 are glued with the first rubber pads 11, the connecting block is used for preventing the connecting block 8 from being abraded when sliding in the sliding rail 9, and the service life of the structure is prolonged.

The second telescopic rods 12 are welded between two connecting blocks 8 between every two first telescopic rods 3, the outer surface of each second telescopic rod 12 is sleeved with a second spring 13, the left end and the right end of each second spring 13 are welded on the second telescopic rods 12, the maximum compression distance of each second spring 13 is more than twice of the maximum movement distance of the connecting blocks 8 in the slide rails 9 and is used for limiting and matching with the slide rails 9 to prevent the second springs 13 from being compressed excessively, supporting rods 14 are arranged between every two first telescopic rods 3, the bottom ends of the supporting rods 14 are welded on the first fixing plates 1, a second rubber pad 15 is glued at the top end of each supporting rod 14, the maximum movement distance of the connecting blocks 8 in the slide rails 9 is equal to the distance from the top end of the second rubber pad 15 to the bottom end of the second fixing plate 2 and is used for limiting and matching with the slide rails 9 through the second rubber pad 15, the compression length of the first spring 5 and the second spring 13 is limited, and the first spring 5 and the second spring 13 are prevented from being compressed excessively.

The working principle is as follows: when the device is normally used, when an extrusion force is applied to the upper part of the second fixing plate 2, the extrusion force acts on the first telescopic rod 3 through the fixing block 4, the first telescopic rod 3 is compressed, the first spring 5 welded on the first telescopic rod 3 is also compressed, so that the upper fixing block 4 and the lower fixing block 4 move towards the middle, the connecting rod 7 is opened towards two sides under the action of the hinge shaft 6 when the fixing block 4 moves towards the middle, the connecting rod 7 is driven to move towards two sides under the coordination of the other hinge shaft 6 when the connecting rod 7 is opened towards two sides, the connecting rod 8 moves towards two sides to compress the second telescopic rod 12 between the two connecting blocks 8, and the second spring 13 welded on the second telescopic rod 12 is also compressed, at the moment, the first spring 5 and the second spring 13 generate a reaction force due to the self structural characteristics, the reaction force generated by the first spring 5 directly offsets a part of the extrusion force of the, the reaction force that second spring 13 produced offsets connecting block 8 to the power that both sides removed, thereby offset the power that connecting rod 7 removed to both sides, hinder connecting rod 7 to remove to both sides, thereby offset the extrusion force of partly second fixed plate 2, the connection cooperation of rethread structure, when making certain first telescopic link 3 receive the extrusion force, can be through connecting rod 7, connecting block 8 and slide rail 9 with the first telescopic link 3 of power decomposition to both sides on, thereby realize the decomposition of power.

When the second fixing plate 2 is compressed to the top end of the second rubber pad 15, the supporting rod 14 at the bottom end of the second rubber pad 15 prevents the first fixing plate 1 and the second fixing plate 2 from being compressed continuously, and the maximum compression distance of the first spring 5 is greater than the distance from the bottom end of the second fixing plate 2 to the top end of the second rubber pad 15, so that the bottom surface of the second fixing plate 2 is prevented from being worn after the device is used for a long time, and the service life of the device is shortened.

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 bridge shock-absorbing structure, includes first fixed plate (1), second fixed plate (2), first telescopic link (3) and second telescopic link (12), its characterized in that: the upper portion of the first fixing plate (1) is symmetrically provided with a second fixing plate (2), first telescopic rods (3) are arranged between the second fixing plate (2) and the first fixing plate (1) at equal intervals, fixed blocks (4) are welded at the upper end and the lower end of each first telescopic rod (3), the other ends of the fixed blocks (4) are welded on the side walls of the second fixing plate (2) and the first fixing plate (1) respectively, a first spring (5) is sleeved on the outer surface of each first telescopic rod (3), the upper end and the lower end of each first spring (5) are welded on the first telescopic rods (3), connecting rods (7) are symmetrically hinged on each fixed block (4) through hinge shafts (6), connecting blocks (8) are hinged at the other ends of the connecting rods (7) through another hinge shaft (6), and sliders (16) are welded at the bottom ends of the connecting blocks (8), be provided with third fixed plate (10) in the middle of first fixed plate (1) and second fixed plate (2), third fixed plate (10) internal connection seted up with every slider (16) complex slide rail (9), per two all weld between two connecting blocks (8) between first telescopic link (3) second telescopic link (12), every second spring (13) has all been cup jointed to the surface of second telescopic link (12), and both ends all weld on second telescopic link (12) about second spring (13), per two all be provided with bracing piece (14) between first telescopic link (3), and the bottom of bracing piece (14) all welds on first fixed plate (1), every the top of bracing piece (14) all is glued with second rubber pad (15).

2. The bridge shock absorbing structure according to claim 1, wherein: the maximum compression distance of the first spring (5) is larger than the maximum distance of the connecting block (8) moving in the sliding rail (9).

3. The bridge shock absorbing structure according to claim 1, wherein: the maximum distance of the connecting block (8) moving in the sliding rail (9) is equal to the distance from the top end of the second rubber pad (15) to the bottom end of the second fixing plate (2).

4. The bridge shock absorbing structure according to claim 1, wherein: the distance between the upper end and the lower end of the front side of each sliding rail (9) is smaller than the distance between the upper end and the lower end of each sliding block (16).

5. The bridge shock absorbing structure according to claim 1, wherein: the left side and the right side of each sliding rail (9) are glued with first rubber pads (11).

6. The bridge shock absorbing structure according to claim 1, wherein: the maximum compression distance of the second spring (13) is more than twice of the maximum distance of the connecting block (8) moving in the sliding rail (9).