CN215663425U

CN215663425U - High-speed train carriage vibration isolation and noise reduction high damping

Info

Publication number: CN215663425U
Application number: CN202122267126.3U
Authority: CN
Inventors: 刘训海; 李超
Original assignee: Jiangsu Hanlong Aviation Technology Development Co ltd
Current assignee: Jiangsu Hanlong Aviation Technology Development Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-28
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of damping plates, in particular to a high damping for vibration isolation and noise reduction of a carriage of a high-speed train, which comprises an upper plate and a lower plate, wherein L-shaped fixing plates are arranged at four corners of the bottom of the upper plate, a rectangular connecting plate is arranged between every two adjacent L-shaped fixing plates and is connected with the upper plate in a sliding way, L-shaped connecting plates are connected with four corners of the top of the lower plate in a sliding way, the rectangular fixing plates are arranged at the top of the lower plate and positioned between every two adjacent L-shaped connecting plates, a plurality of first sound insulation plates are arranged at the bottom of the upper plate, a plurality of second sound insulation plates are arranged at the top of the lower plate, the rectangular connecting plates and the L-shaped connecting plates which are connected in a sliding way are respectively fixed through first springs and second springs, a reaction force is generated after the force is applied by the self characteristics of the springs, and the first sound insulation plates, the second sound insulation plates and sound insulation cotton are matched for use, the noise is conveniently weakened, so that the pollution of the noise to the carriage environment is reduced.

Description

High-speed train carriage vibration isolation and noise reduction high damping

Technical Field

The utility model relates to the technical field of damping plates, in particular to high-speed train carriage vibration isolation and noise reduction high damping.

Background

The damping material is a material which converts solid mechanical vibration energy into heat energy to be dissipated and is mainly used for controlling vibration and noise, the damping performance of the material can be measured according to the capability of the material for dissipating the vibration energy, and the standard for evaluating the damping magnitude is a damping coefficient;

the train refers to a train formed by weaving railway vehicles according to specified weaving conditions, weight and length, and the train usually generates a large amount of noise in the running process, so that noise pollution is generated to workers and passengers in a carriage.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a high-damping vibration isolation and noise reduction device for a carriage of a high-speed train.

The technical scheme of the utility model is as follows:

a high damping for vibration isolation and noise reduction of a carriage of a high-speed train comprises an upper plate and a lower plate, wherein L-shaped fixing plates are arranged at four corners of the bottom of the upper plate, a rectangular connecting plate is arranged between every two adjacent L-shaped fixing plates, the rectangular connecting plate is connected with the upper placing plate in a sliding way, the four corners at the top of the lower placing plate are connected with L-shaped connecting plates in a sliding way, a rectangular fixing plate is arranged on the top of the lower plate and between two adjacent L-shaped connecting plates, the bottom of the upper board is provided with a plurality of first sound insulation boards which are distributed at equal intervals, the top of the lower board is provided with a plurality of second sound insulation boards which are distributed at equal intervals, the rectangular fixing plate is characterized in that the positions, close to the two ends, of the top of the rectangular fixing plate are provided with symmetrically distributed adsorption magnetic blocks, a sliding chute in sliding connection with the adsorption magnetic blocks is formed in the rectangular connecting plate, and metal blocks in adsorption fit with the adsorption magnetic blocks are arranged on the inner wall of the top of the sliding chute.

According to a preferable technical scheme, a rectangular moving groove in sliding connection with the rectangular connecting plate is formed in the upper plate, and a first spring is arranged between the inner wall of the top of the rectangular moving groove and the rectangular connecting plate.

According to a preferable technical scheme, a positioning rod is arranged at the center of the first spring, and a cylindrical groove in sliding connection with the positioning rod is formed in the rectangular connecting plate.

According to a preferable technical scheme, an L-shaped moving groove in sliding connection with the L-shaped connecting plate is formed in the lower plate, and a second spring is arranged between the inner wall of the bottom of the L-shaped moving groove and the L-shaped connecting plate.

Preferably, the bottom of the upper board is provided with a first accommodating groove slidably connected to the second baffle, and the top of the lower board is provided with a second accommodating groove slidably connected to the first baffle.

According to the preferable technical scheme, sound absorption cotton is embedded in the corresponding positions of the upper sound insulation plate and the lower sound insulation plate on the corresponding sides of the first sound insulation plate and the second sound insulation plate.

According to the preferable technical scheme, a rubber gasket is arranged in a gap between the L-shaped fixing plate and the rectangular connecting plate, and a rubber gasket is also arranged in a gap between the rectangular fixing plate and the L-shaped connecting plate.

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

1. the rectangular connecting plate and the L-shaped connecting plate which are connected in a sliding mode are fixed through the first spring and the second spring respectively, reaction force is generated after the springs are stressed by means of the characteristics of the springs, and therefore the vibration isolation effect is achieved.

2. According to the utility model, the tightness between the rectangular connecting plate and the rectangular fixing plate is conveniently increased through the adsorption matching of the adsorption magnetic block and the metal block.

Drawings

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

FIG. 2 is a partial sectional view of the lower plate and the L-shaped connecting plate of the present invention after being cut;

FIG. 3 is a schematic diagram of a portion of the structure of the present invention;

FIG. 4 is a second partial schematic view of the present invention;

FIG. 5 is a partial sectional view of the upper plate and the rectangular connecting plate of the present invention after being cut;

FIG. 6 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

fig. 7 is an enlarged view of the structure at B in fig. 5 according to the present invention.

The meaning of the individual reference symbols in the figures is:

an upper setting plate 1; an L-shaped fixing plate 11; a rectangular connecting plate 12; a first baffle plate 13; a first receiving groove 14; a rectangular moving slot 15; a first spring 151; a chute 16; a metal block 161;

a lower plate 2; an L-shaped connecting plate 21; a rectangular fixing plate 22; an adsorption magnetic block 221; a second soundproof plate 23; a second receiving groove 24; an L-shaped moving slot 25; a second spring 251;

a positioning rod 3;

a cylindrical groove 4;

and sound absorption cotton 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a high damping of making an uproar falls in high speed train carriage vibration isolation, including overhead 1 and lower board 2 of putting, four corners of overhead 1 bottom of board all are equipped with L shape fixed plate 11, all be equipped with rectangular connecting plate 12 between two adjacent L shape fixed plates 11, rectangular connecting plate 12 and overhead 1 sliding connection, four corners sliding connection at lower board 2 top has L shape connecting plate 21, the top of putting board 2 down and be located and all be equipped with rectangular fixing plate 22 between two adjacent L shape connecting plates 21, the bottom of overhead 1 is equipped with a plurality of equidistant distribution's first acoustic celotex board 13, the top of putting board 2 down is equipped with a plurality of equidistant distribution's second acoustic celotex board 23, rectangular fixing plate 22 top and the position that is close to both ends are equipped with symmetric distribution's absorption magnetic path 221, set up the spout 16 with absorption magnetic path 221 sliding connection on the rectangular connecting plate 12, the top inner wall of spout 16 is equipped with adsorbs complex metal block 161 with absorption magnetic path 221.

It should be added that the upper board 1 and the lower board 2 have the same size, the length of the L-shaped fixing board 11 and the height of the L-shaped connecting board 21 and the rectangular connecting board 12 and the rectangular fixing board 22 are the same, the top of the first baffle board 13 passes through the outer wall of the bottom of the upper board 1 and communicates with the inside of the upper board 1, the bottom of the second baffle board 23 passes through the inner wall of the top of the lower board 2 and communicates with the inside of the lower board, further, when the corresponding sides of the upper board 1 and the lower board are not in contact, the first baffle board 13 and the second baffle board 23 are respectively located inside the upper board 1 and the lower board, so that the upper board 1 and the lower board have certain sound insulation effect, thereby being convenient for attenuating noise.

Preferably, in the present embodiment, the upper plate 1 is provided with a rectangular moving groove 15 slidably connected to the rectangular connecting plate 12, a first spring 151 is disposed between the inner wall of the top of the rectangular moving groove 15 and the rectangular connecting plate 12, when the first spring 151 is in a normal state, one end of the rectangular connecting plate 12 away from the first spring 151 contacts with the top of the rectangular fixing plate 22, and when the first spring 151 contracts, one end of the rectangular connecting plate 12 away from the first spring 151 and the bottom of the upper plate 1 are on the same horizontal line.

Preferably, the positioning rod 3 is disposed at a center position of the first spring 151, the cylindrical groove 4 slidably connected to the positioning rod 3 is disposed inside the rectangular connecting plate 12, and the positioning rod 3 is additionally disposed to prevent the first spring 151 from affecting the service life of the first spring 151 when the first spring 151 is laterally displaced during deformation.

Preferably, in the present embodiment, an L-shaped moving slot 25 slidably connected to the L-shaped connecting plate 21 is formed in the lower plate 2, a second spring 251 is disposed between an inner wall of a bottom of the L-shaped moving slot 25 and the L-shaped connecting plate 21, when the second spring 251 is in a normal state, one end of the L-shaped connecting plate 21 away from the second spring 251 contacts with a bottom of the L-shaped fixing plate 11, and when the second spring 251 contracts, one end of the L-shaped connecting plate 21 away from the second spring 251 and a top of the lower plate 2 are on the same horizontal line.

It is worth to say that, the central position department of second spring 251 also is equipped with locating lever 3, and locating lever 3 activity is pegged graft in the inside of L-shaped connecting plate 21, avoids second spring 251 to produce the side skew in the deformation process, and first spring 151 and second spring 251 all adopt damping spring.

Preferably, in the present embodiment, the bottom of the upper panel 1 is formed with a first receiving groove 14 slidably connected to the second baffle plate 23, and the top of the lower panel 2 is formed with a second receiving groove 24 slidably connected to the first baffle plate 13, so that when the upper panel 1 or the lower panel 2 receives an impact force, the first baffle plate 13 and the second baffle plate 23 can be received in the second receiving groove 24 and the first receiving groove 14, respectively.

As the preferred of this embodiment, it all inlays and is equipped with and inhale sound cotton 5 with lower board 2 of putting to correspond the side and be located corresponding position between first acoustic celotex board 13 and the second acoustic celotex board 23, inhale the cotton 5 enhancement noise reduction effect of being convenient for of sound through addding, in addition, it adopts plastic egg cotton to inhale sound cotton 5, make the surface of inhaling sound cotton 5 have the convex surface that is wave shape, thereby increase and inhale the frictional force between sound cotton 5 and first acoustic celotex board 13 and the second sound insulation, and then delay the speed that first acoustic celotex board 13 and second sound insulation removed.

Preferably, a rubber gasket is disposed in a gap between the L-shaped fixing plate 11 and the rectangular connecting plate 12, and a rubber gasket is also disposed in a gap between the rectangular fixing plate 22 and the L-shaped connecting plate 21, so as to improve the sealing performance between the L-shaped fixing plate 11 and the rectangular connecting plate 12, and between the rectangular fixing plate 22 and the L-shaped connecting plate 21.

When the high-speed train carriage vibration isolation and noise reduction high damping is used, when the upper plate 1 is impacted, the upper plate 1 drives the L-shaped fixed plate 11, the rectangular connecting plate 12 and other components to synchronously move downwards, then the L-shaped connecting plate 21 moves downwards under the thrust of the L-shaped fixed plate 11, the L-shaped connecting plate 21 moves in the L-shaped moving groove 25 and extrudes the second spring 251, in addition, the second spring 251 deforms after being stressed, the positioning rod 3 at the central position of the second spring 251 moves in the cylindrical groove 4 formed in the L-shaped connecting plate 21, meanwhile, the rectangular connecting plate 12 is supported by the rectangular fixed plate 22 when moving downwards, then the rectangular connecting plate 12 moves upwards in the rectangular moving groove 15 and extrudes the first spring 151, the first spring 151 deforms, and the positioning rod 3 arranged at the central position of the first spring 151 is accommodated in the rectangular connecting plate 12, at this time, the bottom of the first baffle 13 enters the inside of the second receiving groove 24, the top of the second baffle 23 enters the inside of the first receiving groove 14, the first baffle 13 and the second baffle 23 rub against the outer wall of the sound-absorbing cotton 5 while moving, and then resistance is generated, and after the buffering is finished, the resilience of the first spring 151 and the second spring 251 pushes the L-shaped connecting plate 21 and the rectangular connecting plate 12 to move in the opposite direction, thereby realizing the resetting.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high damping of making an uproar falls in high speed train carriage vibration isolation, includes upper plate (1) and puts board (2) down, its characterized in that: the four corners of the bottom of the upper plate (1) are respectively provided with an L-shaped fixing plate (11), a rectangular connecting plate (12) is arranged between every two adjacent L-shaped fixing plates (11), the rectangular connecting plates (12) are in sliding connection with the upper plate (1), the four corners of the top of the lower plate (2) are in sliding connection with L-shaped connecting plates (21), the top of the lower plate (2) is provided with a rectangular fixing plate (22) between every two adjacent L-shaped connecting plates (21), the bottom of the upper plate (1) is provided with a plurality of first sound insulation plates (13) which are distributed at equal intervals, the top of the lower plate (2) is provided with a plurality of second sound insulation plates (23) which are distributed at equal intervals, the positions of the top of the rectangular fixing plates (22) and close to the two ends are provided with symmetrically distributed adsorption magnetic blocks (221), and the rectangular connecting plates (12) are provided with chutes (16) which are in sliding connection with the adsorption magnetic blocks (221), and a metal block (161) which is in adsorption fit with the adsorption magnetic block (221) is arranged on the inner wall of the top of the sliding chute (16).

2. The high-speed train carriage vibration isolation, noise reduction and high damping device as claimed in claim 1, wherein: the inner part of the upper plate (1) is provided with a rectangular moving groove (15) which is connected with the rectangular connecting plate (12) in a sliding manner, and a first spring (151) is arranged between the inner wall of the top of the rectangular moving groove (15) and the rectangular connecting plate (12).

3. The high-speed train carriage vibration isolation, noise reduction and high damping device as claimed in claim 2, wherein: the center position department of first spring (151) is equipped with locating lever (3), the inside of rectangle connecting plate (12) seted up with locating lever (3) sliding connection's cylindrical groove (4).

4. The high-speed train carriage vibration isolation, noise reduction and high damping device as claimed in claim 1, wherein: an L-shaped moving groove (25) in sliding connection with the L-shaped connecting plate (21) is formed in the lower plate (2), and a second spring (251) is arranged between the inner wall of the bottom of the L-shaped moving groove (25) and the L-shaped connecting plate (21).

5. The high-speed train carriage vibration isolation, noise reduction and high damping device as claimed in claim 1, wherein: the bottom of the upper board (1) is provided with a first accommodating groove (14) in sliding connection with the second sound insulation board (23), and the top of the lower board (2) is provided with a second accommodating groove (24) in sliding connection with the first sound insulation board (13).

6. The high-speed train carriage vibration isolation, noise reduction and high damping device as claimed in claim 1, wherein: the upper board (1) and the lower board (2) correspond to each other and are located corresponding positions between the first sound insulation boards (13) and the second sound insulation boards (23) are respectively embedded with sound absorption cotton (5).

7. The high-speed train carriage vibration isolation, noise reduction and high damping device as claimed in claim 1, wherein: rubber gaskets are arranged in gaps between the L-shaped fixing plates (11) and the rectangular connecting plates (12), and rubber gaskets are also arranged in gaps between the rectangular fixing plates (22) and the L-shaped connecting plates (21).