CN213086549U

CN213086549U - Municipal bridge buffer

Info

Publication number: CN213086549U
Application number: CN202021096077.0U
Authority: CN
Inventors: 郑明�; 路建; 滕非; 冯雷; 宋志冰; 彭炜; 王进民
Original assignee: China Railway Urban Construction Group Co Ltd; Third Engineering Co Ltd of China Railway Urban Construction Group Co Ltd
Current assignee: China Railway Urban Construction Group Co Ltd; Third Engineering Co Ltd of China Railway Urban Construction Group Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-30
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a municipal administration bridge buffer, including a supporting bench, brace table A inner wall is installed and is inhaled the sound storehouse, brace table surface one side is installed attenuator and is had two, concave type piece has all been welded at both ends about the attenuator surface, concave type piece welds in brace table and is close to attenuator one side, attenuator surface mounting has spring A, spring A welds on concave type piece inner wall, the bearing block is installed to the brace table inner wall, conveniently takes multiple buffer structure to cushion, conveniently in time absorbs the noise that produces, under the effect that carries out a lot of buffering component structure to the bridge, great extension the life-span of equipment use, after inhaling the timely absorption of sound storehouse to the noise, the puzzlement of great noise reduction.

Description

Municipal bridge buffer

Technical Field

The utility model relates to a bridge buffer technical field specifically is a municipal bridge buffer.

Background

The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. A bridge generally consists of an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

The patent CN210561675U discloses a bridge vibration damper for municipal bridge engineering, which discloses a bridge vibration damper for municipal bridge engineering in the technical field of bridge engineering, comprising an upper pad stone steel plate, wherein the middle part of the outer wall at one side opposite to the upper pad stone steel plate and the lower pad stone steel plate is provided with a fixed steel plate, the top part and the bottom part of the outer wall at one side opposite to an assembling rod are welded with a fixed screw, and two groups of the outer wall at one side opposite to the fixed steel plate are provided with shock insulation parts with the same structure, the utility model is provided with four groups of spring buffer rods, which can effectively prevent the vibration damper from being twisted or dislocated to one side when being used for a long time while buffering the shock force, prolong the service life of the vibration damper, and effectively prevent the rubber rings from being twisted and dislocated to one side when being used for a long time by inserting four groups of limit telescopic rods, the rubber ring is not influenced to buffer, the service life is long, and the integral connection strength is high.

The bridge vibration damping device for the municipal bridge engineering has the following defects: 1. when the bridge is buffered, the bridge vibration damper for the municipal bridge engineering only adopts a buffering method to buffer the bridge, and in daily use, because the load bearing of the bridge floor is different, if some vehicles are overweight, the bridge vibration damper for the municipal bridge engineering can be greatly impacted, and if the impact force is too large, the bridge vibration damper can be easily washed out, so that the potential safety hazard is greatly increased; 2. when buffering the bridge, especially when having the vehicle to pass through, can produce great noise at this moment, can damage the bridge structures to a certain extent, the puzzlement of unable effectual solution noise.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a municipal administration bridge buffer, conveniently take multiple buffer structure to cushion, conveniently in time absorb the noise that produces, under the effect of carrying out buffering component structure many times to the bridge, great extension the life-span of equipment use, in the sound storehouse of inhaling the back of in time absorbing of noise, the puzzlement of great noise reduction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a municipal bridge buffer, includes a supporting bench, prop up supporting bench inner wall and install and inhale the sound storehouse, it has two to prop up supporting bench surface one side and install attenuator and attenuator, the attenuator surface left and right sides both ends all weld has concave type piece, concave type piece welds in a supporting bench and is close to attenuator one side, attenuator surface mounting has spring A, spring A welds on concave type piece inner wall, it installs the bearing piece to prop up supporting bench inner wall.

As an optimal technical scheme of the utility model, the bearing block of brace table inner wall installation with inhale sound storehouse alternating arrangement.

As an optimal technical scheme of the utility model, inhale the sound storehouse inner wall and install spring B, inhale the sound storehouse inner wall and install and inhale the sound piece.

As a preferred technical scheme of the utility model, inhale sound storehouse surface and seted up and inhale the sound mouth and inhale sound mouth evenly distributed in inhaling sound storehouse surface.

As an optimized technical scheme of the utility model, two concave type piece length sums are the same with spring A complete compression length.

Compared with the prior art, the beneficial effects of the utility model are that: 1. when the automobile passes through the bridge, the bridge is instantaneously inclined and the torsional stress of the middle beam is reduced, and the device is used for buffering the bridge, when the external pressure begins to press the equipment, the gaps between the bridges generate mutual pressing force, the damper is used for resisting the relative movement of the objects and effectively converting the generated motion friction energy into required heat energy or other actions capable of dissipating the energy, the first buffer action is performed by the cooperation of the spring A, and if the bridge is pressed continuously, at this time, the concave blocks can forcibly repel the extrusion force between the bridges to prevent the bridges from directly colliding, the second buffering and damping treatment is formed, so that external force generated by external factors such as vehicles and the like is greatly buffered and weakened, the service life of the bridge is greatly prolonged, and the service life of the buffering device is greatly prolonged; 2. when the wheels drive on the bridge, the force generated on the bridge can generate a certain amount of noise, the sound absorption port is arranged on the surface of the support platform, and the sound absorption port cannot be damaged to the stable structure because of smaller size, the lower end of the sound absorbing port is connected with the sound absorbing bin, when the support platform and the received noise can absorb the sound energy into the interior through the sound absorbing port, the sound energy can be reflected in the closed space in the interior, at this time, a part of the sound is consumed, and the sound is absorbed by the sound absorption block when the part is not consumed, thereby greatly reducing the noise, the sound absorption block is made of damping block, and the damping block is made of macromolecule resin material or rubber material, such as butyl rubber (the chewing gum has the component), and the damping block is used as raw material, and has stable physical and chemical properties, excellent shock absorption and noise reduction performance, heat resistance, cold resistance, aging resistance and strong adhesion. The artificial leather has no stimulation to human skin, has no corrosion to materials such as metal, plastic, rubber and the like, greatly increases the absorption of sound, reduces noise and improves the working quality.

Drawings

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

FIG. 2 is a schematic view of a supporting platform of the present invention;

FIG. 3 is the schematic view of the surface structure of the sound-absorbing bin of the present invention

In the figure: 1 supporting table, 2 dampers, 3 springs A, 4 concave blocks, 5 sound-absorbing openings, 6 sound-absorbing bins, 7 bearing blocks, 8 sound-absorbing blocks and 9 springs B.

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.

A municipal bridge buffer device according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of municipal bridge buffer, including brace table 1, the sound storehouse 6 is inhaled to 1 inner wall of brace table installation, 1 surface one side of brace table is installed and is had two attenuator 2 and attenuator 2, concave type piece 4 has all been welded at both ends about 2 surperficial of attenuator, concave type piece 4 welds in brace table 1 and is close to 2 one sides of attenuator, 2 surface mounting of attenuator has spring A3, spring A3 welds on 4 inner walls of concave type piece, support 1 inner wall of brace table is installed and is born weight block 7.

Illustratively, the force generated by the bridge deck is firstly buffered through the cooperation of the damper 2 and the spring A3, the generated vibration is forcibly absorbed through the mutual contact between the two concave blocks 4, the use efficiency is greatly increased, and the buffering effect is greatly increased, wherein the damper 2 is used for obstructing the relative movement of objects and effectively converting the generated movement friction energy into required heat energy or other actions capable of dissipating the energy.

Referring to fig. 2, the bearing blocks 7 and the sound-absorbing chambers 6 mounted on the inner wall of the support platform 1 are arranged alternately.

By way of example, the bearing blocks 7 and the sound-absorbing bins 6 are arranged alternately on the inner wall of the supporting table 1, so that the bearing of the sound-absorbing bins 6 is greatly reduced, and the service life of the device is prolonged.

Referring to fig. 2, a spring B9 is installed on the inner wall of the sound-absorbing bin 6, and a sound-absorbing block 8 is installed on the inner wall of the sound-absorbing bin 6.

For example, the spring B9 and the sound absorption block 8 installed inside the sound absorption chamber 6 absorb sound, and the sound absorption block 8 is made of damping block, and the damping block is generally made of high molecular resin material or rubber material, such as butyl rubber (which is a component of chewing gum), and the raw materials are stable in physical and chemical properties, have excellent shock absorption and noise reduction properties, heat resistance, cold resistance, aging resistance and strong adhesion, so that sound energy can be reflected in the closed space inside, and a part of the sound energy can be consumed.

Referring to fig. 1 and 3, sound absorbing openings 5 are formed in the surface of the sound absorbing bin 6, and the sound absorbing openings 5 are uniformly distributed on the surface of the sound absorbing bin 6.

The example, through inhale 6 surfaces in the sound storehouse and be equipped with sound mouthful 5 and inhale sound mouthful 5 evenly distributed in inhaling sound storehouse 6, inhale sound mouthful 5 and absorb the noise, let in sound energy can be timely transmit inhale sound storehouse 6.

Referring to fig. 1, the two female blocks 4 are the same length as the fully compressed length of spring a 3.

Illustratively, the two female segments 4 are of the same length as the fully compressed length of spring A3, which serves to maximize the effect of spring A3 when the two female segments 4 are in full contact.

When in use, the buffer device is arranged in a gap between bridges, when an automobile passes through the bridge, the bridge is caused to roll instantaneously and the torsional stress of the middle beam is reduced, the buffer device is used for buffering the automobile, when the external pressure begins to extrude the device, the gap between the bridges generates mutual extrusion force, the damper 2 obstructs the relative motion of objects and effectively converts the generated motion friction energy into required heat energy or other action capable of dissipating the energy, the damper is matched with the spring A3 for the first buffering action, when the bridge is continuously pressed, the concave block 4 can forcibly repel the extrusion force between the bridges to prevent the bridge from directly colliding, the second buffering and damping treatment is formed, so that the external force generated by external factors such as the automobile and the like is greatly buffered and weakened, greatly prolongs the service life of the bridge and the service life of the buffer device, when wheels run on the bridge, the force generated to the bridge can generate a certain amount of noise, the surface of the support platform 1 is provided with the sound absorption port 5, the sound absorption port 5 can not stably damage the structure because of small size, the lower end of the sound absorption port 5 is connected with the sound absorption bin 6, at the moment, when the support platform 1 and the received noise can absorb sound energy into the interior through the sound absorption port 5, the sound energy can be reflected in the closed space in the interior, a part of the sound energy can be consumed, when the sound energy is not consumed, the sound absorption block can absorb the sound energy, the noise is greatly reduced, the sound absorption block 8 is made of a damping block, the damping block generally adopts high molecular resin materials or rubber materials, such as butyl rubber (chewing gum has the component), and the damping block is used as a raw material, and the physical and chemical properties of the damping block, has excellent shock absorbing and noise reducing performance, heat resistance, cold resistance, aging resistance and strong adhesion. The artificial leather has no stimulation to human skin, has no corrosion to materials such as metal, plastic, rubber and the like, greatly increases the absorption of sound, reduces noise and improves the working quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a municipal bridge buffer, includes brace table (1), its characterized in that: supporting bench (1) inner wall is installed and is inhaled sound storehouse (6), supporting bench (1) surface one side is installed attenuator (2) and has two, attenuator (2) surface left and right sides both ends all weld concave type piece (4), concave type piece (4) weld in supporting bench (1) are close to attenuator (2) one side, attenuator (2) surface mounting has spring A (3), spring A (3) weld on concave type piece (4) inner wall, supporting bench (1) inner wall is installed bearing block (7).

2. The municipal bridge buffer device of claim 1, wherein: bearing blocks (7) and sound-absorbing bins (6) arranged on the inner wall of the supporting table (1) are arranged alternately.

3. The municipal bridge buffer device of claim 2, wherein: inhale sound storehouse (6) inner wall and install spring B (9), inhale sound storehouse (6) inner wall and install and inhale sound piece (8).

4. The municipal bridge buffer device of claim 2, wherein: inhale sound storehouse (6) surface and seted up and inhale sound mouth (5) evenly distributed on inhaling sound storehouse (6) surface.

5. The municipal bridge buffer device of claim 1, wherein: the sum of the lengths of the two concave blocks (4) is the same as the fully compressed length of the spring A (3).