Damping support for road and bridge design

By introducing a multi-layered damping design in the damping bearing, which includes support plates, buffer pads, damping blocks, and springs, and combining it with height adjustment components, the problems of unsatisfactory damping effect and non-adjustable height are solved, achieving better damping effect and adaptability, and extending the service life of the bridge.

CN223780701UActive Publication Date: 2026-01-09HEIHE XUXIN HIGHWAY SURVEY & DESIGN CO LTD
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Patent Information

Application Number
CN202520116281.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-09
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The existing road and bridge design uses shock-absorbing bearings with unsatisfactory shock absorption effect, which cannot effectively buffer bridge vibrations, making the bridge vulnerable to damage. In addition, they do not have height adjustment function and are prone to detachment due to factors such as overload, temperature changes, concrete shrinkage and creep.

Method used

A shock-absorbing support structure was designed, comprising a support plate, a buffer pad, a damping block, a first spring, a second spring, and a protective frame. It buffers vibrations through a multi-layer shock absorption mechanism and achieves height adjustment through an adjustment component, which includes a combination of a screw, an adjustment ring, an anti-slip groove, and an adjustment seat, enabling flexible height adjustment.

Benefits of technology

It improves the damping effect of the shock-absorbing bearing, avoids bridge damage, extends service life, and enhances practicality by adapting to the deformation requirements of the bridge under different conditions through the height adjustment function.

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Abstract

The utility model belongs to the technical field of bridge supports, and particularly relates to a damping support for road bridge design, which comprises a bottom plate, a damping seat arranged on one side of the top of the bottom plate, a supporting plate arranged in the damping seat, a cushion arranged at the bottom of the supporting plate, a sliding rod arranged on one side of the top of the supporting plate, and a damping block arranged above the outer surface of the sliding rod. The sliding rod is provided with a first spring on the top of the damping block. The supporting plate, the buffering pad, the damping block, the first spring, the second spring and the protection frame are matched with one another, the damping effect of the support is improved, the problem that in the using process of the support, vibration borne by a bridge cannot be effectively buffered is solved, and through the cooperation of the screw rod, the adjusting ring, the anti-skid groove, the adjusting base and the top plate, the damping effect of the support is improved. The support has the height adjusting function, and the problem that a bridge is disengaged from the support under the influence of factors such as overload, temperature change, concrete shrinkage and creep in the using process is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge support technical field, concretely is a shock absorption support for road bridge design. BACKGROUND

[0002] In bridge structure, support is erected on pier, top surface supports bridge superstructure's device, is the important part of connecting bridge superstructure and substructure, its function is to fix superstructure on pier, bears the various force acting on superstructure, and reliably gives it to pier, under the action of load, temperature, concrete shrinkage and creep, support can adapt to the corner and displacement of superstructure, make superstructure can freely deform and not produce additional additional internal force, support is the important force transmission device of bridge, good shock absorption support can effectively reduce the oscillation, reduce the vibration, reduce traffic accidents, prolong the service life of bridge;

[0003] The existing patent number CN217053018U discloses a shock absorption support for road bridge design, which comprises a bottom plate, a shock absorption chamber is fixedly connected to the upper surface of the bottom plate, a filler is arranged in the shock absorption chamber, a baffle is arranged on the top of the filler, a rubber plate is arranged on the upper surface of the baffle, a metal plate is arranged on the upper surface of the rubber plate, an upper cover is sleeved on the top of the shock absorption chamber, a second protruding block is fixedly connected to the top of the upper cover, and the number of the second protruding blocks is more than one. The utility model has a reasonable structure, and the shock absorption chamber, the filler, the rubber plate and the metal plate can absorb the energy generated by the vibration of the bridge during use, weaken the vibration energy, achieve the effect of shock absorption of the bridge, and compared with the conventional ordinary integrated structure of the pier, the device can achieve good shock absorption effect of the bridge, protect the bridge and reduce the probability of damage of the bridge due to vibration.

[0004] The existing technology has the following problems:

[0005] 1. The shock absorption effect of the existing shock absorption support for road bridge design is not ideal, which leads to the problem that the support cannot effectively buffer the vibration received by the bridge during use, and further causes the bridge to be prone to damage or damage, reduces the service life of the bridge, and cannot meet the use requirements.

[0006] 2. The existing shock absorption support for road bridge design does not have the function of height adjustment, which leads to the problem that the bridge may be separated from the support due to the influence of factors such as overload, temperature change, concrete shrinkage and creep during use, reduces the practicality of the support, and is not convenient for promotion. UTILITY MODEL CONTENTS

[0007] The utility model provides a shock -absorbing support for road bridge design, solve the shock -absorbing effect of existing not especially ideal, this also leads to support in the use process, unable to effectively buffer the vibration that bridge receives, and then cause bridge to appear easily damaged or damaged, and do not have the function of height adjustment, this also leads to in use, bridge under the influence of factors such as overload, temperature change, concrete shrinkage and creep, can appear with the problem of support emptying.

[0008] To realize above-mentioned purpose, the utility model provides following technical scheme: a shock -absorbing support for road bridge design, including bottom plate, bottom plate top one side is provided with shock -absorbing seat, the inside of shock -absorbing seat is provided with support plate, the bottom of support plate is provided with buffer pad, support plate top one side is provided with slide rod, the upper surface of slide rod is provided with damping block, the top of slide rod is provided with first spring in damping block, support plate top middle is provided with connecting rod, the upper surface of connecting rod is provided with second spring, the top of connecting rod is provided with protection frame, the top of protection frame is provided with connecting plate, connecting plate top one side is provided with adjusting assembly, the top of adjusting assembly is provided with top plate.

[0009] As a preferred technical scheme of the utility model, the buffer pad is installed on the shock-absorbing seat by adhesive connection, the buffer pad is in the shape of a cross as a whole, and the buffer pad is made of rubber material.

[0010] As a preferred technical scheme of the utility model, the slide rod is installed on the shock-absorbing seat by fixed connection, the number of slide rods is several groups, the slide rods are arranged in a rectangular array, and the support plate is in sliding connection with the outer surface of the slide rods.

[0011] As a preferred technical scheme of the utility model, the first spring is installed on the damping block by fixed connection, the size of the first spring is matched with the size of the slide rod, and the damping block is in sliding connection with the outer surface of the slide rod.

[0012] As a preferred technical scheme of the utility model, the adjusting assembly comprises a bearing seat, a screw rod is arranged at the top of the bearing seat, an adjusting ring is arranged below the outer surface of the screw rod, anti-skid grooves are formed in the outer surface of the adjusting ring, and an adjusting seat is arranged above the outer surface of the screw rod.

[0013] As a preferred technical scheme of the utility model, the top end of the screw rod is in threaded connection with the adjusting seat, and the bottom end of the screw rod is installed on the bearing seat in rotational connection.

[0014] As a preferred technical scheme of the utility model, the number of anti-skid grooves is several groups, the anti-skid grooves are arranged in an annular array on the adjusting ring, and the adjusting ring is installed on the screw rod in fixed connection.

[0015] Compared with the prior art, the utility model provides a shock -absorbing support for road bridge design has the following beneficial effects:

[0016] 1、 this road bridge design shock -absorbing support, through setting up support plate, buffer pad, damping block, first spring, second spring and protection frame, when facing the vibration, first through protection frame extrusion second spring, and drive support plate vertical displacement downward, then through support plate extrusion buffer pad, and then drive damping block extrusion first spring, buffer pad, first spring and second spring are deformed under extrusion, play three -layer shock -absorbing effect, the impact force and the amplitude of vibration produced by vibration are weakened and buffered, and then improve the shock -absorbing effect of support, this design avoids the problem that support can not effectively buffer the vibration that bridge receives in the use process, improves the service life of bridge, satisfies the use requirement.

[0017] 2、 this road bridge design shock -absorbing support, through setting up screw rod, adjusting ring, antiskid groove, adjusting seat and top plate, when needing to adjust height, first through the antiskid groove setting, increase the friction force that user's hand and adjusting ring contact, so that user passes through the rotation adjusting ring, drive screw rod rotation, make it in adjusting seat inside up and down displacement, to drive top plate vertical displacement upward, the height of support is adjusted, this design makes support have the function of height adjustment, avoids the problem that bridge appears and support is emptying under the influence of overload, temperature change, concrete shrinkage and creep etc. in use, improves the practicality of support, and is convenient for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is cross section structure schematic diagram of the utility model shock -absorbing seat;

[0020] Figure 3 It is cross section structure schematic diagram of the utility model protection frame;

[0021] Figure 4 It is cross section structure schematic diagram of the utility model adjusting seat.

[0022] In the drawing: 1, bottom plate;2, shock -absorbing seat;3, support plate;4, buffer pad;5, sliding rod;6, damping block;7, first spring;8, connecting rod;9, second spring;10, protection frame;11, connecting plate;12, adjusting assembly;121, bearing seat;122, screw rod;123, adjusting ring;124, antiskid groove;125, adjusting seat;13, top plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of shock-absorbing support for road and bridge design, including bottom plate 1, bottom plate 1 top side is provided with shock-absorbing seat 2, shock-absorbing seat 2 is internally provided with support plate 3, support plate 3 bottom is provided with buffer pad 4, support plate 3 top side is provided with slide bar 5, slide bar 5 upper surface is provided with damping block 6, slide bar 5 is located in the top of damping block 6 and is provided with first spring 7, support plate 3 top middle is provided with connecting rod 8, connecting rod 8 upper surface is provided with second spring 9, connecting rod 8 top end is provided with protection frame 10, protection frame 10 top is provided with connecting plate 11, connecting plate 11 top side is provided with adjusting assembly 12, adjusting assembly 12 top is provided with top plate 13;Slide bar 5 is installed on shock-absorbing seat 2 by fixed connection, the quantity of slide bar 5 has several groups, slide bar 5 is arranged in rectangular array, support plate 3 is slidably connected with the outer surface of slide bar 5;

[0025] Specifically: it is convenient to limit support plate 3 by slide bar 5, improve the stability when support plate 3 vertical displacement.

[0026] With reference to Figure 2 , buffer pad 4 is installed on shock-absorbing seat 2 by adhesion, and buffer pad 4 is in the form of a cross as a whole, and buffer pad 4 is made of rubber material;

[0027] Specifically: it is convenient to buffer the impact force and the amplitude of vibration generated by vibration by buffer pad 4 being extruded and deformed, thereby strengthening the shock-absorbing effect of the support.

[0028] With reference to Figure 2 , first spring 7 is installed on damping block 6 by fixed connection, the size of first spring 7 is matched with the size of slide bar 5, and damping block 6 is slidably connected with the outer surface of slide bar 5.

[0029] Specifically: it is convenient to weaken the impact force and the amplitude of vibration generated by vibration by the cooperation of damping block 6 and first spring 7, thereby improving the shock-absorbing effect of the support.

[0030] With reference to Figure 1 and Figure 4, the adjusting assembly 12 comprises a bearing seat 121, a screw rod 122 is arranged on the top of the bearing seat 121, an adjusting ring 123 is arranged below the outer surface of the screw rod 122, anti-skid grooves 124 are formed in the outer surface of the adjusting ring 123, and an adjusting seat 125 is arranged above the outer surface of the screw rod 122; the top end of the screw rod 122 is threadedly connected with the adjusting seat 125, and the bottom end of the screw rod 122 is rotatably connected and arranged on the bearing seat 121;

[0031] Specifically, the staff can rotate the screw rod 122 to make the screw rod 122 displace upward and downward in the adjusting seat 125, so that the top plate 13 is vertically displaced upward, and the height of the support is adjusted.

[0032] Referring to Figure 1 and Figure 4 The number of the anti-skid grooves 124 is several groups, the anti-skid grooves 124 are arranged in an annular array on the adjusting ring 123, and the adjusting ring 123 is fixedly connected and arranged on the screw rod 122.

[0033] Specifically, the anti-skid grooves 124 increase the friction between the hands of the user and the adjusting ring 123, so that the user can better rotate the adjusting ring 123.

[0034] Working principle and use process of the utility model: when facing vibration, first, the protective frame 10 extrudes the second spring 9 on the damping seat 2, and drives the support plate 3 on the connecting rod 8 to vertically displace downward, then the support plate 3 extrudes the buffer pad 4, and further drives the damping block 6 to extrude the first spring 7 on the outer surface of the slide rod 5, at the same time, the buffer pad 4, the first spring 7 and the second spring 9 are deformed by extrusion, and three layers of damping effects are achieved, the impact force and the amplitude of vibration caused by vibration are weakened and buffered, and the damping effect of the support is improved.

[0035] When the height needs to be adjusted, the anti-skid grooves 124 arranged in the adjusting assembly 12 increase the friction between the hands of the user and the adjusting ring 123, so that the user can rotate the adjusting ring 123, drive the screw rod 122 on the bearing seat 121 to rotate, make the screw rod 122 displace upward and downward in the adjusting seat 125, and drive the top plate 13 to vertically displace upward, so that the height of the support is adjusted.

[0036] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A shock-absorbing support for road and bridge design, comprising a base plate (1), characterized in that: The bottom plate (1) top side is provided with a damping seat (2), the damping seat (2) is provided with a support plate (3) inside, the support plate (3) bottom is provided with a buffer pad (4), the support plate (3) top side is provided with a slide bar (5), the slide bar (5) outer surface is provided with a damping block (6) above, the slide bar (5) is provided with a first spring (7) on the top of damping block (6), the support plate (3) top is provided with a connecting rod (8), the connecting rod (8) outer surface is provided with a second spring (9) above, the connecting rod (8) top end is provided with a protective frame (10), the protective frame (10) top is provided with a connecting plate (11), the connecting plate (11) top side is provided with an adjusting assembly (12), the adjusting assembly (12) top is provided with a top plate (13).

2. A shock absorbing support for road and bridge design according to claim 1, characterized in that: The buffer pad (4) is installed on the damping seat (2) by adhesive connection, the buffer pad (4) is provided as a whole in cross shape, and the buffer pad (4) is made of rubber material.

3. The shock-absorbing support for road and bridge design according to claim 1, characterized in that: The slide bar (5) is installed on the damping seat (2) by fixed connection, the number of slide bars (5) is several groups, the slide bars (5) are arranged in rectangular array, and the support plate (3) is slidably connected with the outer surface of the slide bar (5).

4. The shock-absorbing support for road and bridge design, as set forth in claim 1, wherein: The first spring (7) is installed on the damping block (6) by fixed connection, the size of the first spring (7) is matched with the size of the slide bar (5), and the damping block (6) is slidably connected with the outer surface of the slide bar (5).

5. The shock-absorbing support for road and bridge design, as set forth in claim 1, wherein: The adjusting assembly (12) comprises a bearing seat (121), the bearing seat (121) top is provided with a screw rod (122), the screw rod (122) outer surface is provided with an adjusting ring (123) below, the adjusting ring (123) outer surface is provided with an anti-skid groove (124), and the screw rod (122) outer surface is provided with an adjusting seat (125) above.

6. A shock-absorbing support for road and bridge design according to claim 5, characterized in that: The top end of the screw rod (122) is threadedly connected with the adjusting seat (125), and the bottom end of the screw rod (122) is installed on the bearing seat (121) by rotary connection.

7. A shock absorbing support for road and bridge design according to claim 5, characterized in that: The number of anti-skid grooves (124) is several groups, the anti-skid grooves (124) are arranged in annular array on the adjusting ring (123), and the adjusting ring (123) is installed on the screw rod (122) by fixed connection.