CN214737033U - High shock attenuation front swing arm for high-speed railway - Google Patents

Abstract

The utility model discloses a railway accessory technical field's a high shock attenuation front swing arm for high-speed railway, include: a front swing arm; the two first shock absorption assemblies are symmetrically arranged at the top of the inner side of the front swing arm; the two second shock absorption assemblies are symmetrically arranged at the bottom of the inner side of the front swing arm, and the positions of the two second shock absorption assemblies correspond to the positions of the two first shock absorption assemblies; a plurality of third damper, it is a plurality of third damper evenly install first damper with between the second damper, third damper's top with first damper's bottom is connected, third damper's bottom with second damper's top is connected, the utility model discloses can reduce the vibrations of junction, reduce because of the damage that vibrations caused, improve the life of preceding swing arm, reduce the potential safety hazard.

Description

High shock attenuation front swing arm for high-speed railway

Technical Field

The utility model relates to a railway accessory technical field specifically is a high shock attenuation front swing arm for high-speed railway.

Background

The high-speed railway, called high-speed rail for short, is a railway system with high design standard grade and capable of allowing trains to run safely at high speed. The concept is not limited to tracks, let alone trains. High-speed rails have different regulations in different countries, different generations and different scientific research academic fields. In the document of high-speed railway design specifications issued by the State railway administration of China, a high-speed railway is defined as a passenger special line railway with a standard track gauge for operating motor train unit trains at a newly-built design speed per hour of 250 kilometers (inclusive) to 350 kilometers (inclusive). The China national development and improvement Commission defines the China high-speed railway as a new line or an existing line railway with the standard speed of 250 km/h and above, issues a corresponding file of medium and long-term railway network planning, and brings part of track lines with the speed of 200 km/h into the category of the China high-speed railway network.

Railway fittings are components of railway lines, and the rails referred to herein include rails, ties, ballast beds, anti-creep devices, rail braces, switches, and the like. As an integral engineering structure, the rail is laid on a roadbed, plays a role in guiding the running of a train and directly bears the huge pressure of rolling stocks and loads thereof. Under the power of train operation, each component of the train has to have sufficient strength and stability to ensure that the train operates safely, smoothly and uninterruptedly at the specified maximum speed.

The swing arm is one of railway accessories before the high-speed railway, and the swing arm is formed for the casting of integration before the high-speed railway, and the rigidity is stronger, in the use, because the rigidity is stronger, causes the damage easily, has reduced life, has very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a swing arm before high-speed railway uses high shock attenuation to swing arm before solving the high-speed railway that proposes in the above-mentioned background art is one of the railway accessories, and swing arm is formed for the casting of integration before the high-speed railway, and the rigidity is stronger, in the use, because the rigidity is stronger, causes the damage easily, has reduced life, has the problem of very big potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a high damping front swing arm for a high-speed rail comprises:

a front swing arm;

the two first shock absorption assemblies are symmetrically arranged at the top of the inner side of the front swing arm;

the two second shock absorption assemblies are symmetrically arranged at the bottom of the inner side of the front swing arm, and the positions of the two second shock absorption assemblies correspond to the positions of the two first shock absorption assemblies;

the shock absorption structure comprises a plurality of third shock absorption assemblies, wherein the third shock absorption assemblies are uniformly arranged between the first shock absorption assemblies and the second shock absorption assemblies, the top of each third shock absorption assembly is connected with the bottom of the corresponding first shock absorption assembly, and the bottom of each third shock absorption assembly is connected with the top of the corresponding second shock absorption assembly.

Preferably, the front swing arm includes:

a front swing arm body;

the two ear arms are arranged on the left side and the right side of the front swing arm body in a left-right mode, and are symmetrical;

the mounting hole is formed in the middle end of the top of the front swing arm body and penetrates through the middle end of the bottom of the front swing arm body;

the first mounting grooves are uniformly arranged at the tops of the side walls of the inner cavities of the mounting holes in an annular shape;

and the second mounting grooves are uniformly arranged at the bottom of the side wall of the inner cavity of the mounting hole in an annular shape, and the positions of the second mounting grooves correspond to the positions of the first mounting grooves.

Preferably, the first shock absorbing assembly includes:

a first housing;

the first fixing blocks are uniformly arranged at the middle end of the front surface of the first shell;

the first springs are correspondingly arranged at the upper ends and the lower ends of the first fixing blocks;

and the third mounting grooves are uniformly formed in the bottom of the first shell.

Preferably, the second shock absorbing assembly includes:

a second housing;

the second fixing blocks are uniformly arranged at the middle end of the front surface of the second shell;

the second springs are correspondingly arranged at the upper ends and the lower ends of the second fixed blocks;

and the fourth mounting grooves are formed in the top of the second shell uniformly.

Preferably, the third shock absorbing assembly includes:

a third spring;

an upper mounting block mounted on top of the third spring;

and the lower mounting block is mounted at the bottom of the third spring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can reduce the vibrations of junction, reduce the damage that causes because of vibrations, improve the life of preceding swing arm, the potential safety hazard is reduced, first fixed block forms with first casing processing as an organic whole, first fixed block and first mounting groove phase-match, first fixed block joint is in the inboard of first mounting groove, first casing uses the inner chamber top of installing at the mounting hole through the cooperation of first fixed block and first mounting groove, the top of first casing and the top parallel and level of preceding swing arm body, first spring joint is in the inboard of first mounting groove, carry out the shock attenuation through first spring, a plurality of second fixed blocks evenly set up the one side of keeping away from the second rubber pad on the second casing, the second fixed block forms with second casing processing as an organic whole, second fixed block and second mounting groove phase-match, second fixed block joint is in the inboard of second mounting groove, the second casing uses the inner chamber bottom of installing at the mounting hole through the cooperation of second fixed block and second mounting groove to use, the second casing is installed in the inner chamber bottom of mounting hole The utility model discloses a damping device for a swing arm, including a first mounting groove, a second mounting groove, a first spring, a third mounting groove, a third mounting block, a fourth mounting groove, a third damping assembly, a third spring, a fourth damping assembly, a fourth mounting groove, a fourth damping assembly, a fourth mounting groove, a fourth damping assembly, a fourth mounting groove, a fourth damping assembly, a fourth mounting groove.

Drawings

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

FIG. 2 is a schematic view of the front swing arm structure of the present invention;

FIG. 3 is a schematic structural view of a first damper assembly of the present invention;

FIG. 4 is a schematic structural view of a second damping assembly of the present invention;

FIG. 5 is a schematic structural view of a third damping assembly of the present invention;

in the figure: 100 front swing arms, 110 front swing arm bodies, 120 ear arms, 130 mounting holes, 140 first mounting grooves, 150 second mounting grooves, 200 first shock absorption components, 210 first shells, 220 first fixing blocks, 230 first springs, 240 third mounting grooves, 300 second shock absorption components, 310 second shells, 320 second fixing blocks, 330 second springs, 340 fourth mounting grooves, 400 third shock absorption components, 410 third springs, 420 upper mounting blocks and 430 lower mounting blocks.

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.

The utility model provides a high shock attenuation fore-arm for high-speed railway can reduce the vibrations of junction, reduces because of the damage that vibrations caused, improves the life of fore-arm, has reduced the potential safety hazard, please refer to figure 1, include: a front swing arm 100, a first shock absorbing assembly 200, a second shock absorbing assembly 300 and a third shock absorbing assembly 400;

referring to fig. 1-2, the front swing arm 100 includes:

a front swing arm body 110;

the two ear arms 120 are arranged on the left side and the right side of the front swing arm body 110, the two ear arms 120 are symmetrical, and the ear arms 120 and the front swing arm body 110 are formed by integrated casting processing;

the mounting hole 130 is formed in the top middle end of the front swing arm body 110, and the mounting hole 130 penetrates through the bottom middle end of the front swing arm body 110;

the first mounting grooves 140 are uniformly arranged on the top of the inner cavity side wall of the mounting hole 130 in an annular shape;

the second mounting grooves 150 are uniformly arranged at the bottom of the inner cavity side wall of the mounting hole 130 in an annular shape, and the positions of the second mounting grooves 150 correspond to the positions of the first mounting grooves 140;

referring to fig. 1-3, two first shock absorbing assemblies 200 are symmetrically mounted on the top of the inner side of the front swing arm 100, and the first shock absorbing assemblies 200 comprise:

the outer side wall of the first housing 210 contacts with the inner side wall of the mounting hole 130, the first housing 210 includes a first metal housing and a first rubber pad, and the first rubber pad is embedded in one side of the first metal housing;

the plurality of first fixing blocks 220 are uniformly arranged on one side, far away from the first rubber pad, of the first shell 210, the first fixing blocks 220 and the first shell 210 are integrally processed, the first fixing blocks 220 are matched with the first mounting grooves 140, the first fixing blocks 220 are clamped on the inner sides of the first mounting grooves 140, the first shell 210 is mounted at the top of an inner cavity of the mounting hole 130 through matching use of the first fixing blocks 220 and the first mounting grooves 140, and the top of the first shell 210 is flush with the top of the front swing arm body 110;

the plurality of first springs 230 are correspondingly installed at the upper and lower ends of the plurality of first fixing blocks 220, the first springs 230 are clamped at the inner sides of the first installation grooves 140, and the first springs 230 absorb shock;

a plurality of third mounting grooves 240 are uniformly formed at the bottom of the first housing 210;

referring to fig. 1-4, two second shock absorbing assemblies 300 are symmetrically installed at the inner bottom of the front swing arm 100, the positions of the two second shock absorbing assemblies 300 correspond to the positions of the two first shock absorbing assemblies 200, and the second shock absorbing assembly 300 includes:

the outer side wall of the second housing 310 contacts with the inner side wall of the mounting hole 130, the second housing 310 comprises a second metal housing and a second rubber pad, and the second rubber pad is embedded in one side of the second metal housing;

the plurality of second fixing blocks 320 are uniformly arranged on one side, far away from the second rubber pad, of the second shell 310, the second fixing blocks 320 and the second shell 310 are integrally processed, the second fixing blocks 320 are matched with the second mounting groove 150, the second fixing blocks 320 are clamped on the inner side of the second mounting groove 150, the second shell 310 is mounted at the bottom of the inner cavity of the mounting hole 130 through matching of the second fixing blocks 320 and the second mounting groove 150, and the bottom of the second shell 310 is flush with the bottom of the front swing arm body 110;

the plurality of second springs 330 are correspondingly installed at the upper and lower ends of the plurality of second fixing blocks 320, the second springs 330 are clamped at the inner sides of the first installation grooves 140, and the shock absorption is performed through the first springs 230;

a plurality of fourth mounting grooves 340 are uniformly formed in the top of the second housing 310;

referring to fig. 1 to 5, a plurality of third shock absorbing members 400 are uniformly installed between the first shock absorbing member 200 and the second shock absorbing member 300, a top portion of the third shock absorbing member 400 is connected to a bottom portion of the first shock absorbing member 200, a bottom portion of the third shock absorbing member 400 is connected to a top portion of the second shock absorbing member 300, and the third shock absorbing member 400 includes:

the top of the third spring 410 is in contact with the bottom of the first housing 210, and the bottom of the third spring 410 is in contact with the top of the second housing 310;

the upper mounting block 420 is mounted on the top of the third spring 410, the upper mounting block 420 is matched with the third mounting groove 240, and the third spring 410 is mounted on the bottom of the first housing 210 through the cooperation of the upper mounting block 420 and the third mounting groove 240;

the lower mounting block 430 is mounted at the bottom of the third spring 410, the lower mounting block 430 is matched with the fourth mounting groove 340, the third spring 410 is mounted at the top of the first housing 210 by the lower mounting block 430 matching with the fourth mounting groove 340, the first housing 210 is connected with the second housing 310 by the third shock absorbing assembly 400, and the shock absorption is performed by the third spring 410.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. The utility model provides a high shock attenuation front swing arm for high-speed railway which characterized in that: the method comprises the following steps:

a front swing arm (100);

two first shock absorption assemblies (200), wherein the two first shock absorption assemblies (200) are symmetrically arranged at the top of the inner side of the front swing arm (100);

two second shock absorption assemblies (300), wherein the two second shock absorption assemblies (300) are symmetrically arranged at the inner bottom of the front swing arm (100), and the positions of the two second shock absorption assemblies (300) correspond to the positions of the two first shock absorption assemblies (200);

a plurality of third shock absorbing assemblies (400), a plurality of third shock absorbing assemblies (400) are uniformly arranged between the first shock absorbing assembly (200) and the second shock absorbing assembly (300), the top of the third shock absorbing assembly (400) is connected with the bottom of the first shock absorbing assembly (200), and the bottom of the third shock absorbing assembly (400) is connected with the top of the second shock absorbing assembly (300).

2. The high damping front swing arm for the high-speed rail according to claim 1, is characterized in that: the front swing arm (100) comprises:

a front swing arm body (110);

the two ear arms (120) are arranged on the left side and the right side of the front swing arm body (110) in a left-right mode, and the two ear arms (120) are symmetrical;

the mounting hole (130) is formed in the middle end of the top of the front swing arm body (110), and the mounting hole (130) penetrates through the middle end of the bottom of the front swing arm body (110);

the first mounting grooves (140) are uniformly arranged at the top of the side wall of the inner cavity of the mounting hole (130) in an annular shape;

a plurality of second mounting grooves (150), it is a plurality of second mounting groove (150) are the annular and evenly set up the inner chamber lateral wall bottom of mounting hole (130), and is a plurality of the position of second mounting groove (150) and a plurality of the position of first mounting groove (140) is corresponding.

3. The high damping front swing arm for the high-speed rail according to claim 1, is characterized in that: the first shock absorbing assembly (200) comprises:

a first housing (210);

a plurality of first fixing blocks (220), the plurality of first fixing blocks (220) being uniformly disposed at a middle end of a front surface of the first housing (210);

a plurality of first springs (230), the plurality of first springs (230) being correspondingly mounted at upper and lower ends of the plurality of first fixing blocks (220);

a plurality of third mounting grooves (240), a plurality of the third mounting grooves (240) are uniformly arranged at the bottom of the first housing (210).

4. The high damping front swing arm for the high-speed rail according to claim 1, is characterized in that: the second shock absorbing assembly (300) comprises:

a second housing (310);

a plurality of second fixing blocks (320), the plurality of second fixing blocks (320) being uniformly arranged at the middle end of the front surface of the second housing (310);

the second springs (330) are correspondingly arranged at the upper end and the lower end of the second fixed blocks (320);

a plurality of fourth mounting grooves (340), a plurality of fourth mounting grooves (340) are evenly arranged on the top of the second shell (310).

5. The high damping front swing arm for the high-speed rail according to claim 1, is characterized in that: the third shock absorbing assembly (400) comprises:

a third spring (410);

an upper mounting block (420), the upper mounting block (420) being mounted on top of the third spring (410);

a lower mounting block (430), the lower mounting block (430) being mounted at a bottom of the third spring (410).

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