CN214271510U

CN214271510U - Sound insulation pad special for rail vehicle

Info

Publication number: CN214271510U
Application number: CN202120014504.4U
Authority: CN
Inventors: 刘伟新; 张延辉; 宗娜
Original assignee: Chengdu Henglian Juxin Rail Car Parts Co ltd
Current assignee: Chengdu Henglian Juxin Rail Car Parts Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-09-24
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a rail vehicle's sound insulation pad is exclusively used in, including rail and fixed plate, the fixed plate set up in the bottom of rail, the top of fixed plate all around equal fixedly connected with support is located two with one side rotate between the support and be connected with same pivot, two the equal fixedly connected with splint of lateral part of pivot, two the lateral part of splint all with the both sides of rail are laminated mutually, two the equal fixedly connected with magnet of opposite side of splint. The utility model discloses in, set up acoustic celotex board and a plurality of telescopic link and damping spring, utilize damping spring's elasticity to cushion the vibrations that the train traveles the production, cooperation acoustic celotex board accomplishes vibration/noise reduction's work, avoids the sound insulation means single, has improved noise reduction effect, utilizes the ball to reduce the friction between shock attenuation in-process fixed plate, acoustic celotex board and the U template simultaneously to reduce three's wearing and tearing, prolonged life.

Description

Sound insulation pad special for rail vehicle

Technical Field

The utility model relates to a noise insulation technical field, concretely relates to rail vehicle's sound insulation pad is exclusively used in.

Background

The rail transit is an important modern traffic mode, the rail can enable train wheels to roll with small friction force, the rail transit is stable in movement, energy is saved, the weight of a train can be evenly dispersed, the load carrying capacity of the train is greatly improved, along with the rapid development of urban rail transit and the improvement of environmental awareness of people, noise pollution of the rail transit becomes a hot spot concerned by people, and the rail transit is highly valued by relevant departments of the country. Therefore, the shock absorption treatment is required for many road conditions of urban rail transit.

The shock attenuation measure that current rail vehicle used is mostly set up one deck shock attenuation sound insulation backing plate under the rail, the vibrations that produce on the rail when being used for driving over to the train buffer, the stationarity that has guaranteed the train and has traveled has reduced the noise pollution of train to all ring edge borders, nevertheless current sound insulation pad structure is too simple, only carry out the shock attenuation through the individual layer sound insulation pad and give sound insulation, the effect that gives sound insulation is not enough, consequently, for solving above-mentioned problem, we have proposed a kind of sound insulation pad that is exclusively used in rail vehicle.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a rail vehicle's sound insulation pad is exclusively used in to improve syllable-dividing effect.

The utility model realizes the above purpose by the following technical proposal, a special sound insulation pad for rail vehicles, which comprises a rail and a fixed plate, wherein the fixed plate is arranged at the bottom of the rail, the top of the fixed plate is fixedly connected with a bracket all around, two brackets positioned at the same side are rotatably connected with the same rotating shaft, the side parts of the two rotating shafts are fixedly connected with clamping plates, the side parts of the two clamping plates are attached to the two sides of the rail, the other sides of the two clamping plates are fixedly connected with magnets, the bottom of the fixed plate is fixedly connected with a sound insulation plate, the bottom of the sound insulation plate is fixedly connected with a plurality of uniformly distributed telescopic rods, the bottom of the plurality of telescopic rods is fixedly connected with the same U-shaped plate, the fixed plate and the sound insulation plate are positioned inside the U-shaped plate, and a plurality of telescopic rods (8) are all slidably sleeved with damping springs, a plurality of damping spring's both ends respectively with the acoustic celotex board U template fixed connection, the bottom of U template is provided with the base, the both sides of U template are all installed and are used for installing the U template spacing portion on the base, two spacing portion all with the base is connected.

Preferably, the limiting part comprises a rotating seat fixedly connected to the side wall of the U-shaped plate, a limiting shaft is rotatably connected to the rotating seat, an arc-shaped plate is fixedly connected to the side part of the bottom end of the limiting shaft, a limiting groove is formed in the side part of the base, and the limiting groove is matched with the arc-shaped plate

Preferably, the top end of the limiting shaft is fixedly connected with a knob, and a plurality of anti-skidding grooves which are uniformly distributed are formed in the side portion of the knob.

Preferably, a plurality of evenly distributed's rotation groove has all been seted up on the both sides inner wall of U template, and is a plurality of all rotate in the rotation groove and be connected with the ball, lie in a plurality of with one side the ball all with the fixed plate with one side of acoustic celotex board contacts

Preferably, the top of the fixing plate is fixedly connected with a plurality of evenly distributed friction strips, and the tops of the friction strips are connected with the top of the rail

Preferably, a side of each of the plurality of brackets is adapted to a side of the rail.

The beneficial effects of the utility model are embodied in:

1. the utility model discloses in, set up acoustic celotex board and a plurality of telescopic links and damping spring, utilize damping spring's elasticity to cushion the vibrations that the train traveles and produce, cooperate the acoustic celotex board to accomplish the work of vibration/noise reduction, avoid the sound insulation means single, improved the noise reduction effect, utilize the ball to reduce the friction between fixed plate, acoustic celotex board and the U template in the shock attenuation process simultaneously, thereby reduced the wearing and tearing of three, lengthened life;

2. the utility model discloses in, the base is fixed subaerial, rotates the knob and roll over to the arc and roll over to the spacing groove, can control being connected of U template and base, the dismouting of being convenient for, the usable magnetic force of magnet and splint hinders the vertical relative displacement trend between rail and this sound insulation pad, and the mode of friction strip accessible increase frictional force hinders the horizontal relative displacement trend between the two, has improved the stability of this sound insulation pad.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a three-dimensional structure diagram of the fixing plate of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the middle position limiting part of the present invention.

In the attached drawing, 1-a rail, 2-a fixing plate, 3-a bracket, 4-a rotating shaft, 5-a clamping plate, 6-a magnet, 7-a sound insulation plate, 8-a telescopic rod, 9-a damping spring, 10-a U-shaped plate, 11-a base, 12-a rotating seat, 13-a limiting shaft, 14-an arc-shaped plate, 15-a knob, 16-a friction strip and 17-a ball.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1-4, a special sound insulation pad for rail vehicles comprises a rail 1 and a fixing plate 2, the fixing plate 2 is arranged at the bottom of the rail 1, the top of the fixing plate 2 is fixedly connected with supports 3 all around, the same rotating shaft 4 is rotatably connected between the two supports 3 on the same side, the lateral parts of the two rotating shafts 4 are fixedly connected with clamping plates 5, the lateral parts of the two clamping plates 5 are respectively attached to the two sides of the rail 1, the other sides of the two clamping plates 5 are respectively and fixedly connected with magnets 6, the bottom of the fixing plate 2 is fixedly connected with a sound insulation plate 7, the bottom of the sound insulation plate 7 is fixedly connected with a plurality of uniformly distributed telescopic rods 8, the bottom of the plurality of telescopic rods 8 is fixedly connected with the same U-shaped plate 10, the fixing plate 2 and the sound insulation plate 7 are respectively arranged inside the U-shaped plate 10, the plurality of telescopic rods 8 are respectively sleeved with damping springs 9 in a sliding manner, and the two ends of the damping springs 9 are respectively connected with the sound insulation plate 7, U template 10 fixed connection, the bottom of U template 10 is provided with base 11, and the spacing portion that is used for installing U template 10 on base 11 is all installed to the both sides of U template 10, and two spacing portions all are connected with base 11.

As a technical optimization scheme, spacing portion includes rotation seat 12 of fixed connection on U template 10 lateral wall, rotates 12 internal rotations in the seat and is connected with spacing axle 13, fixedly connected with arc 14 on spacing axle 13's the bottom lateral part, and the spacing groove has been seted up to base 11's lateral part, spacing groove and 14 looks adaptations of arc.

Further, through the setting of rotating seat 12, spacing axle 13, arc 14, spacing groove for through rotatory spacing axle 13, the arc 14 of both sides is rolled over out or is changeed over into the spacing groove, can realize the connection control of U template 10 and base 11, thereby the installation or the dismantlement of this sound insulation pad of being convenient for.

As a technical optimization scheme of the utility model, spacing 13's top fixedly connected with knob 15 sets up a plurality of evenly distributed's antiskid groove on the lateral part of knob 15.

Furthermore, the knob 15 is arranged to facilitate the rotation of the limiting shaft 13.

As a technical optimization scheme of the utility model, all set up a plurality of evenly distributed's rotation groove on the both sides inner wall of U template 10, a plurality of rotation inslots all rotate and are connected with ball 17, lie in all contacting with one side of fixed plate 2 and acoustic celotex board 7 with a plurality of balls 17 of one side.

Further, through the setting of ball 17 for utilize ball 17's roll to reduce the friction between shock attenuation in-process fixed plate 2, acoustic celotex board 7 and the U template 10, thereby reduced three's wearing and tearing, prolonged life.

As a technical optimization scheme of the utility model, a plurality of evenly distributed's of top fixedly connected with friction strip 16 of fixed plate 2, the top of a plurality of friction strips 16 all is connected with the top of rail 1

Further, the friction strip 16 is arranged, so that the friction strip 16 can resist the trend of the lateral relative displacement between the rail 1 and the sound insulation pad in a manner of increasing the friction force, thereby improving the stability of the sound insulation pad.

As a technical optimization scheme of the utility model, one side of a plurality of supports 3 all with the lateral part looks adaptation of rail 1.

Further, through the setting of one side of support 3 and the lateral part looks adaptation of rail 1, the laminating of support 3 and rail 1 of being convenient for to further improve this sound insulation pad's stability.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

The utility model discloses the theory of operation: this be exclusively used in rail vehicle's sound insulating pad has set up sound insulating board 7 and has driven over the noise that rail 1 produced to the train and reduce except, still set up a plurality of telescopic links 8 and damping spring 9 between U template 10 and sound insulating board 7, the vibrations that utilize damping spring 9's spring action to the train production of traveling are cushioned and are absorbed, thereby cooperation sound insulating board 7 accomplishes vibration/noise reduction's work, the singleness of sound insulation means has been avoided, the noise reduction effect has been improved, the roll that utilizes ball 17 simultaneously reduces shock attenuation in-process fixed plate 2, the friction between sound insulating board 7 and the U template 10, thereby three's wearing and tearing have been reduced, service life has been prolonged.

This gives sound insulation and fills up when installation or dismantlement are changed, base 11 is fixed subaerial through modes such as welding or spiro union, it is rotatory only to need to rotate knob 15 this moment and drive spacing axle 13, thereby roll over the arc 14 of both sides out or change over into the spacing groove, can realize the connection control of U template 10 and base 11, thereby be convenient for this give sound insulation and fill up the installation or dismantlement, magnet 6 and splint 5 set up usable magnetic force and hinder the vertical relative displacement trend between rail 1 and this give sound insulation and fill up, and the mode of rubbing strip 16 accessible increase frictional force hinders rail 1 and this give sound insulation and fill up horizontal relative displacement trend between the pad, thereby improve this give sound insulation and fill up the stability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A special sound insulation pad for rail vehicles, comprising a rail (1) and a fixing plate (2), wherein the fixing plate (2) is arranged at the bottom of the rail (1), characterized in that: the top of the fixing plate (2) is fixedly connected with supports (3) all around, two supports (3) positioned on the same side are rotatably connected with the same rotating shaft (4), the lateral parts of the two rotating shafts (4) are fixedly connected with clamping plates (5), the lateral parts of the two clamping plates (5) are attached to the two sides of the rail (1), the other sides of the two clamping plates (5) are fixedly connected with magnets (6), the bottom of the fixing plate (2) is fixedly connected with a sound insulation plate (7), the bottom of the sound insulation plate (7) is fixedly connected with a plurality of uniformly distributed telescopic rods (8), the bottom of the plurality of telescopic rods (8) is fixedly connected with the same U-shaped plate (10), the fixing plate (2) and the sound insulation plate (7) are positioned inside the U-shaped plate (10), and a plurality of the telescopic rods (8) are sleeved with damping springs (9) in a sliding mode, a plurality of the both ends of damping spring (9) respectively with acoustic celotex board (7) U template (10) fixed connection, the bottom of U template (10) is provided with base (11), the both sides of U template (10) are all installed and are used for installing U template (10) spacing portion on base (11), two spacing portion all with base (11) are connected.

2. An acoustic insulator mat, particularly for rail vehicles, as claimed in claim 1, characterized in that: spacing portion including fixed connection in rotation seat (12) on U template (10) lateral wall, it is connected with spacing axle (13) to rotate seat (12) internal rotation, fixedly connected with arc (14) on the bottom lateral part of spacing axle (13), the spacing groove has been seted up to the lateral part of base (11), the spacing groove with arc (14) looks adaptation.

3. An acoustic insulator mat, particularly for rail vehicles, as set forth in claim 2, characterized in that: the top end of the limiting shaft (13) is fixedly connected with a knob (15), and a plurality of anti-skidding grooves which are uniformly distributed are formed in the side portion of the knob (15).

4. An acoustic insulator mat, particularly for rail vehicles, as claimed in claim 1, characterized in that: all set up a plurality of evenly distributed's rotation groove on the both sides inner wall of U template (10), it is a plurality of all rotate in the rotation groove and be connected with ball (17), lie in a plurality of with one side ball (17) all with fixed plate (2) with one side of acoustic celotex board (7) contacts.

5. An acoustic insulator mat, particularly for rail vehicles, as claimed in claim 1, characterized in that: the top of the fixing plate (2) is fixedly connected with a plurality of uniformly distributed friction strips (16), and the tops of the friction strips (16) are connected with the top of the rail (1).

6. An acoustic insulator mat, particularly for rail vehicles, as claimed in claim 1, characterized in that: one side of each of the brackets (3) is matched with the side part of the rail (1).