CN220923693U - Pre-tightening silencing ring for railway vehicle - Google Patents

Abstract

The utility model discloses a pre-tightening silencing ring for a railway vehicle, which comprises a silencing outer ring, wherein a fixing piece is arranged at the top of the silencing outer ring, fixing seats are arranged at two ends of the top of the silencing outer ring, fixing seats with the same structure are arranged at two ends of the fixing piece, threaded holes are formed in the fixing seats, hexagon socket bolts are arranged in the threaded holes, and a silencing inner ring is arranged at the inner side of the silencing outer ring; through set up both ends detachable mounting at the device, when the device is in the dismouting, can tear down the mounting earlier to reduce the maximum size of amortization outer loop, make this amortization ring conveniently assemble on the wheel, thereby convenience and practicality when having improved this amortization ring dismouting, set up the amortization inner loop of integral type simultaneously in the inboard of the device, through the effect of amortization inner loop, guarantee the structural strength of this amortization ring promptly, prevent to warp impaired in the use, and can play better amortization effect through the dicyclo structure.

Description

Pre-tightening silencing ring for railway vehicle

Technical Field

The utility model belongs to the technical field of noise reduction rings, and particularly relates to a pre-tightening noise reduction ring for a railway vehicle.

Background

The noise damping ring is a device for reducing noise, and when sound collides with the noise damping ring, the energy of the sound is absorbed by a sound absorbing material, thereby reducing the noise, and the noise damping ring is widely used in various fields including automobiles, airplanes, trains, buildings, sound recording rooms, etc., and it can be used for reducing different types of noise such as mechanical vibration, air noise, electromagnetic noise, etc., and in addition, the noise damping ring can improve sound quality and reduce echo.

The patent with the application number 201210243454.2 discloses a pre-tightening silencing ring for a railway vehicle silencing wheel, the contact length between a steel ring and a wheel groove reaches the maximum value through a pre-tightening bolt, and the silencing effect also reaches the maximum value.

Disclosure of utility model

The utility model aims to provide a pre-tightening silencing ring for a railway vehicle, which solves the problems that in the prior art, the steel ring needs to be assembled in a wheel and is in interference fit in the use process of the existing silencing ring, and meanwhile, the structure of the pre-tightening silencing ring has certain strength, and the pre-tightening silencing ring is inconvenient to install, so that the convenience and the practicability of the device in use are affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pretension amortization ring that rail vehicle used, includes the amortization outer loop, the top of amortization outer loop is provided with the mounting, the top both ends of amortization outer loop are provided with the fixing base, the both ends of mounting are provided with the fixing base of the same structure, just set up the screw hole in the fixing base, hexagon socket head cap screw is installed to the screw hole, the amortization inner loop is installed to the inboard of amortization outer loop.

Preferably, the fixing piece and the silencing outer ring are fixedly arranged with the fixing seat through inner hexagon bolts.

Preferably, one side of the silencing outer ring is provided with the fixing pieces which are the same as the top, and the two fixing pieces are vertically arranged.

Preferably, a connecting column is arranged between the silencing inner ring and the silencing outer ring, and the silencing outer ring is connected with the silencing inner ring through the connecting column.

Preferably, the silencing inner ring is of an integrated annular structure.

Preferably, the cross-section of the silencing outer ring is the same as that of the silencing inner ring, and the silencing inner ring is five cm smaller than the silencing outer ring in diameter.

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

(1) Through arranging the fixing pieces with two detachable ends on the device, when the device is disassembled, the fixing pieces can be disassembled firstly, so that the maximum size of the silencing outer ring is reduced, the silencing ring is conveniently assembled on a wheel, and the convenience and practicality of the silencing ring during disassembly are improved;

(2) Meanwhile, the inner side of the device is provided with an integrated silencing inner ring, the structural strength of the silencing inner ring is guaranteed through the effect of the silencing inner ring, deformation and damage in the using process are prevented, and the silencing inner ring is exposed in the air when being used and installed due to the fact that the silencing outer ring is embedded into a wheel when being used and operated, so that a certain heat dissipation effect is achieved when the silencing inner ring is used and installed, a better silencing effect can be achieved through the double-ring structure, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

In the figure: 100. a sound damping outer ring; 200. a fixing member; 201. a fixing seat; 202. a threaded hole; 203. an inner hexagon bolt; 300. a sound-deadening inner ring; 301. and (5) connecting the columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a pre-tightening amortization ring comprises cyclic annular metal frame, when the sound striking amortization ring, the energy of sound is absorbed by sound absorbing material, thereby noise abatement, a pre-tightening amortization ring for rail vehicle, including amortization outer loop 100, the top of amortization outer loop 100 is provided with mounting 200, the top both ends of amortization outer loop 100 are provided with integrated fixing base 201, the both ends of mounting 200 are provided with the fixing base 201 of the same structure, and screw hole 202 has been seted up in the fixing base 201, install hexagon socket 203 in the screw hole 202, amortization inner loop 300 is installed to the inboard of amortization outer loop 100, when installing and use this amortization ring on the amortization wheel on rail vehicle, can dismantle mounting 200 that are located two vertical directions on amortization outer loop 100, then reduce the outer loop 100's outer loop diameter, conveniently join in the wheel recess, install the mounting 200 again in the counterpoint after the installation, mounting 200 is through fixing base 201 cooperation, and use hexagon socket 203 in the screw hole 202 of counterpoint department, thereby use hexagon socket 200 when screwing into hexagon socket 203, thereby fix mounting 200 on amortization outer loop 100, can make the amortization outer loop 100 form the amortization device and the amortization device is realized through the amortization ring 200, the improvement of the amortization device is convenient, the improvement of the amortization device is realized through the amortization device, and the outer loop 200 is realized, the improvement of the structure is easy to be deformed, and the device is realized.

Specifically, the fixing member 200 is fixedly mounted with the fixing seat 201 through the socket head cap bolts 203 between the fixing member 200 and the silencing outer ring 100, stability between the fixing member 200 and the silencing outer ring 100 is guaranteed after the fixing member is mounted, the fixing member 200 which is identical to the top is arranged on one side of the silencing outer ring 100, the two fixing members 200 are vertically arranged, and after the fixing members 200 in the two vertical directions are dismounted, the silencing ring can be better dismounted for use.

Example 2

Referring to fig. 1 and 2 in combination with embodiment 1, the present utility model provides a technical solution: the pre-tightening silencing ring is composed of an annular metal frame, when sound collides with the silencing ring, the energy of the sound is absorbed by sound absorbing materials, so that noise is reduced, a connecting column 301 is arranged between the silencing inner ring 300 and the silencing outer ring 100, the silencing outer ring 100 and the silencing inner ring 300 are welded and fixed through the connecting column 301, the silencing inner ring 300 is of an integrated annular structure, the cross section size of the silencing outer ring 100 is identical with that of the silencing inner ring 300, the diameter of the silencing inner ring 300 is five centimeters smaller than that of the silencing inner ring 100, when the silencing outer ring 100 is subjected to vibration silencing, the vibration can be conducted to the silencing inner ring 300 through the connecting column 301, the noise generated by vibration can be reduced better through the silencing inner ring 300, and therefore a better silencing effect is achieved, and the practicability of the device is improved.

Example 3

Combining embodiment 1 and embodiment 2 obtains this embodiment, through setting up detachable mounting 200, improves the convenience when the whole dismouting of amortization outer loop 100, prevents the screens when installing to guaranteed the stability after this amortization ring installs, still played better amortization effect when strengthening this structure bulk strength through the amortization inner loop 300 of setting up, thereby improved the practicality of device.

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

Claims (6)

1. A pre-tensioned sound damping ring for a railway vehicle, comprising a sound damping outer ring (100), characterized in that: the top of amortization outer loop (100) is provided with mounting (200), the top both ends of amortization outer loop (100) are provided with fixing base (201), the both ends of mounting (200) are provided with fixing base (201) of the same structure, just screw hole (202) have been seted up in fixing base (201), install hexagon socket head cap screw (203) in screw hole (202), amortization inner ring (300) are installed to the inboard of amortization outer loop (100).

2. A pre-tensioned sound damping ring for a railway vehicle in accordance with claim 1 wherein: the fixing piece (200) and the silencing outer ring (100) are fixedly arranged with the fixing seat (201) through the inner hexagon bolts (203).

3. A pre-tensioned sound damping ring for a railway vehicle in accordance with claim 1 wherein: one side of the silencing outer ring (100) is provided with the fixing pieces (200) which are the same as the top, and the two fixing pieces (200) are vertically arranged.

4. A pre-tensioned sound damping ring for a railway vehicle in accordance with claim 1 wherein: a connecting column (301) is arranged between the silencing inner ring (300) and the silencing outer ring (100), and the silencing outer ring (100) is connected with the silencing inner ring (300) through the connecting column (301).

5. A pre-tensioned sound damping ring for a railway vehicle in accordance with claim 1 wherein: the silencing inner ring (300) is of an integrated annular structure.

6. A pre-tensioned sound damping ring for a railway vehicle in accordance with claim 1 wherein: the cross-sectional size of the sound-deadening outer ring (100) is the same as that of the sound-deadening inner ring (300), and the sound-deadening inner ring (300) is five cm smaller than the diameter of the sound-deadening outer ring (100).