CN220246575U - Vibration and noise reduction device for rail transit equipment - Google Patents
Vibration and noise reduction device for rail transit equipment Download PDFInfo
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- CN220246575U CN220246575U CN202321927750.4U CN202321927750U CN220246575U CN 220246575 U CN220246575 U CN 220246575U CN 202321927750 U CN202321927750 U CN 202321927750U CN 220246575 U CN220246575 U CN 220246575U
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- 230000009467 reduction Effects 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000006073 displacement reaction Methods 0.000 claims abstract description 52
- 238000013016 damping Methods 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of rail transit, in particular to a vibration and noise reduction device for rail transit equipment, which comprises a main body mechanism, a first vibration reduction mechanism, a second vibration reduction mechanism and a displacement mechanism, wherein the first vibration reduction mechanism is symmetrically arranged on the left side and the right side of the main body mechanism, the second vibration reduction mechanism is arranged in the middle of the first vibration reduction mechanism, the displacement mechanism is arranged on one side, far away from the main body mechanism, of the second vibration reduction mechanism, the displacement block is arranged on the left side of the first vibration reduction mechanism, a telescopic rod is fixedly connected to the right side of the displacement block, and a threaded rod is fixedly connected to the right extension end of the telescopic rod. According to the utility model, the first vibration reduction mechanism and the second vibration reduction mechanism are arranged to transversely fix and reduce vibration of the track main body, so that the condition of transverse shaking of the track can be slowed down, surrounding environment and building are avoided, the amplitude of the first spring can be adjusted by arranging the threaded rod, the telescopic rod, the threaded block and the first spring, different amplitude requirements are met, and the vibration reduction effect and the applicability are better improved.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a vibration and noise reduction device for rail transit equipment.
Background
Along with the continuous development of rail transit, more and more cities at present are in order to solve the problem of traffic jam, the rail transit is gradually built, a rail system is an important component part in the rail transit, the rail system at present mainly comprises a subway rail and a rail cushion block for supporting the subway rail, and a rail noise reduction and vibration reduction device is generally arranged on the rail in order to reduce vibration and noise in the running process of vehicles at present.
The utility model of patent application number 202122349377.6 discloses a subway track damping device that falls, includes: the concave table, the bottom of concave table inner wall is provided with a plurality of bradyseism mechanisms, and is a plurality of the top of bradyseism mechanism is provided with the base station, the top of base station is provided with the track main part, the bottom of concave table inner wall is connected with two supporting tables, two the top of supporting table all is connected with inhales the sound sponge, two inhale the top of sound sponge all and be connected with the bottom of base station.
According to the utility model, the stress plate and the first movable block are pressed through the base, the stress plate presses the piston block through the ejector rod, the piston block presses the first spring, the first spring is pressed to achieve the damping effect, meanwhile, the first movable block presses the telescopic rod, one pressure plate is driven to move to press the second spring due to shrinkage of the telescopic rod, further damping is achieved through the second spring, so that the running vibration of a subway is greatly slowed down, the influence on the surrounding environment and a building is avoided, the problem still exists, the utility model only dampens the vertical direction of the track main body, and the transverse fixed damping effect is lacked, so that the condition of transverse slight shaking can be produced when the subway passes through the track main body, noise can be produced, and the influence on the environment and pedestrians can be caused.
Disclosure of Invention
The utility model aims to provide a vibration and noise reduction device for rail transit equipment, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a vibration/noise reduction device for rail transit equipment comprises a main body mechanism, a first vibration reduction mechanism, a second vibration reduction mechanism and a displacement mechanism, wherein the first vibration reduction mechanism is symmetrically arranged on the left side and the right side of the main body mechanism, the second vibration reduction mechanism is arranged in the middle of the first vibration reduction mechanism, and the displacement mechanism is arranged on one side, far away from the main body mechanism, of the second vibration reduction mechanism.
The first vibration reduction mechanism comprises a displacement block, a telescopic rod, a first spring, a threaded rod, a threaded block and a sliding block, wherein the displacement block is arranged on the left side of the first vibration reduction mechanism, the telescopic rod is fixedly connected to the right side of the displacement block, the threaded rod is fixedly connected to the right side extension end of the telescopic rod, the threaded block is in threaded connection with the threaded surface of the threaded rod, the left side of the first spring is fixedly connected to the right side of the displacement block, the right side of the first spring is fixedly connected to the left side of the threaded block, and the sliding block is fixedly connected to the right side of the threaded rod.
The second vibration reduction mechanism comprises a fixed support, a round rod, a second spring, a connecting block, a connecting rod and a fixed block, wherein the fixed support is arranged on two sides of the second vibration reduction mechanism, the round rod is fixedly connected between the two fixed supports, the connecting block is symmetrically and slidingly connected to the outer surface of the round rod, the second spring is fixedly connected to the opposite surface of the connecting block, the connecting rod is rotationally connected to one side of the connecting block, and the fixed block is rotationally connected to the other side of the connecting rod.
Preferably, the main body mechanism comprises a track main body, sliding grooves and a bottom plate, wherein the track main body is arranged at the center of the main body mechanism, the sliding grooves are symmetrically arranged on two sides of the bottom of the track main body, and the bottom plate is fixedly connected to the bottom of the track main body.
Preferably, the displacement mechanism comprises acoustic celotex board, motor, two-way threaded rod and displacement groove, the outside of displacement mechanism is located to the acoustic celotex board, one side that the acoustic celotex board is close to the track main part is equipped with inhales the sound sponge, motor fixed connection is in the bottom the place ahead of acoustic celotex board, two-way threaded rod rotates and connects in the inside of acoustic celotex board, the front end of two-way threaded rod is connected in the output of motor, the displacement groove is offered in the acoustic celotex board be close to one side below of track main part, through acoustic celotex board and the acoustic celotex cotton that sets up, can block the propagation of the noise that the subway produced when passing through the track main part, and inhale the sound sponge and can absorb the noise, reduce the influence of noise to pedestrian and environment.
Preferably, the sliding block is in sliding connection with the inside of the sliding groove, the fixing support is symmetrically and fixedly connected with the upper part of the bottom plate, the fixing blocks are symmetrically and fixedly connected with the two sides of the track main body, the first vibration reduction mechanism can meet the tracks with various lengths through the sliding block, and the applicability of the device is improved.
Preferably, the center of displacement piece has seted up the hole, hole size and the size looks adaptation of two-way threaded rod, displacement piece and two-way threaded rod threaded connection, displacement piece sliding connection is in the inside of displacement groove, drives first damping mechanism through the displacement piece and removes, can satisfy the track of various length, improves the suitability of device.
Preferably, the telescopic link runs through first spring hollow inside, the round bar runs through second spring hollow inside, through setting up first spring and second spring, better the additional is fixed track main part, improves the damping effect of device.
Compared with the prior art, the utility model has the beneficial effects that:
1. this a damping device of making an uproar falls for track traffic equipment uses through the cooperation of first damping mechanism and second damping mechanism, carries out horizontal fixed damping to the track main part, can slow down the condition that the track transversely rocked, avoids influencing surrounding environment and building.
2. This a damping device of making an uproar falls for track traffic equipment through setting up the acoustic celotex board, can block the propagation of the noise that produces when subway passes through the track main part, and inhale the sound sponge and can absorb the noise, the noise is to pedestrian and environmental impact.
3. This a damping device of making an uproar falls for track traffic equipment through setting up threaded rod, telescopic link, screw thread piece and first spring, can adjust the amplitude of first spring, satisfies different amplitude demands, better improvement damping effect and suitability.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is a schematic cross-sectional view of a first vibration damping mechanism according to the present utility model.
In the figure: 1. a main body mechanism; 2. a first vibration reduction mechanism; 3. a second vibration reduction mechanism; 4. a displacement mechanism; 101. a rail main body; 102. a chute; 103. a bottom plate; 201. a displacement block; 202. a telescopic rod; 203. a first spring; 204. a threaded rod; 205. a screw block; 206. a slide block; 301. a fixed support; 302. a round bar; 303. a second spring; 304. a connecting block; 305. a connecting rod; 306. a fixed block; 401. a sound insulation board; 402. a motor; 403. a two-way threaded rod; 404. and a displacement groove.
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.
Referring to fig. 1-4, the present utility model provides a technical solution: a vibration damping and noise reducing device for track traffic equipment comprises a main body mechanism 1, a first vibration damping mechanism 2, a second vibration damping mechanism 3 and a displacement mechanism 4, wherein the first vibration damping mechanism 2 is symmetrically arranged on the left side and the right side of the main body mechanism 1, the second vibration damping mechanism 3 is arranged in the middle of the first vibration damping mechanism 2, the displacement mechanism 4 is arranged on one side, far away from the main body mechanism 1, of the second vibration damping mechanism 3, the main body mechanism 1 consists of a track main body 101, a sliding groove 102 and a bottom plate 103, the track main body 101 is arranged in the center of the main body mechanism 1, the sliding groove 102 is symmetrically arranged on the two sides of the bottom of the track main body 101, the bottom plate 103 is fixedly connected to the bottom of the track main body 101, the displacement mechanism 4 consists of a sound insulation plate 401, a motor 402, a bidirectional threaded rod 403 and a displacement groove 404, the sound insulation plate 401 is arranged on the outer side, close to the track main body, the motor 402 is fixedly connected to the bottom of the sound insulation plate 401, the bidirectional threaded rod 403 is rotationally connected to the inside the sound insulation plate 401, the front end of the motor 402 is connected to the output end of the displacement groove 404, the sound insulation plate is arranged below one side, close to the track main body 101, and the sound insulation plate 401 is arranged on the bottom of the sound insulation plate, and the sound insulation plate 403 is capable of absorbing sound sponge and the sound absorption sponge and the sound can be transmitted through the sound absorption sponge.
The first vibration reduction mechanism 2 comprises a displacement block 201, a telescopic rod 202, a first spring 203, a threaded rod 204, a thread block 205 and a sliding block 206, wherein the displacement block 201 is arranged on the left side of the first vibration reduction mechanism 2, a hole is formed in the center of the displacement block 201, the size of the hole is matched with the size of the bidirectional threaded rod 403, the displacement block 201 is in threaded connection with the bidirectional threaded rod 403, the displacement block 201 is slidably connected to the inside of a displacement groove 404, the displacement block 201 drives the first vibration reduction mechanism 2 to move through the displacement block 201, various length tracks can be met, the applicability of the device is improved, the telescopic rod 202 is fixedly connected to the right side of the displacement block 201, the threaded rod 204 is fixedly connected to the right side extension end of the telescopic rod 202, the thread block 205 is in threaded surface of the threaded rod 204, the left side of the first spring 203 is fixedly connected to the right side of the displacement block 201, the right side of the first spring 203 is fixedly connected to the left side of the thread block 205, the telescopic rod 202 penetrates through the hollow inside of the first spring 203, the round rod 302 penetrates through the hollow inside of the second spring 303, the track body 103 is better to the track main body 103, the track main body 103 can be matched with the track main body 101, the symmetric to the size of the sliding block 206 is improved, the device is fixedly connected to the right side of the sliding block 206 is fixedly connected to the track main body 101, and the two sides of the device can be fixedly connected to the sliding block 206, the device is fixedly connected to the right side of the sliding block 206, and the device is fixedly connected to the right side of the sliding device to the side 206, and can be connected to the side 2 to the side slide device to the right side 206.
The second vibration reduction mechanism 3 comprises a fixed support 301, a round rod 302, a second spring 303, a connecting block 304, a connecting rod 305 and a fixed block 306, wherein the fixed support 301 is arranged on two sides of the second vibration reduction mechanism 3, the round rod 302 is fixedly connected between the two fixed supports 301, the connecting block 304 is symmetrically and slidingly connected to the outer surface of the round rod 302, the second spring 303 is fixedly connected to the opposite surface of the connecting block 304, the connecting rod 305 is rotationally connected to one side of the connecting block 304, and the fixed block 306 is rotationally connected to the other side of the connecting rod 305.
When the device is used, the threaded block 205 is rotated, the first spring 203 is extruded or stretched, the amplitude is adjusted to be required, the motor 402 is started, the bidirectional threaded rod 403 is driven to rotate, the telescopic rod 202 and the threaded rod 204 are driven to move through the displacement block 201, the sliding block 206 slides in the sliding groove 102 to a required position, when a subway passes through the track main body 101, the connecting rod 305 is rotated by left and right shaking generated, the connecting block 304 is driven to move forwards and backwards, the second spring 303 is extruded or stretched to generate a reaction force, the connecting rod 305 is used for fixing the track main body 101, meanwhile, the left and right shaking can drive the telescopic rod 202 to stretch or shorten through the threaded rod 204, the first spring 203 is extruded or stretched, the reaction force generated by the first spring is used for fixing the track main body 101 through the sliding block 206, and noise generated by the sound insulation plate 401 is blocked, so that the influence on the surrounding environment is reduced.
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. The utility model provides a damping noise reduction device for track traffic equipment, includes main body mechanism (1), first damping mechanism (2), second damping mechanism (3) and displacement mechanism (4), its characterized in that: the first vibration reduction mechanisms (2) are symmetrically arranged at the left side and the right side of the main body mechanism (1), the second vibration reduction mechanisms (3) are arranged in the middle of the first vibration reduction mechanisms (2), and the displacement mechanisms (4) are arranged at one side, far away from the main body mechanism (1), of the second vibration reduction mechanisms (3);
the first vibration reduction mechanism (2) consists of a displacement block (201), a telescopic rod (202), a first spring (203), a threaded rod (204), a threaded block (205) and a sliding block (206), wherein the displacement block (201) is arranged on the left side of the first vibration reduction mechanism (2), the telescopic rod (202) is fixedly connected to the right side of the displacement block (201), the threaded rod (204) is fixedly connected to the right extension end of the telescopic rod (202), the threaded block (205) is in threaded connection with the threaded surface of the threaded rod (204), the left side of the first spring (203) is fixedly connected to the right side of the displacement block (201), the right side of the first spring (203) is fixedly connected to the left side of the threaded block (205), and the sliding block (206) is fixedly connected to the right side of the threaded rod (204);
the second vibration reduction mechanism (3) comprises a fixed support (301), round rods (302), second springs (303), connecting blocks (304), connecting rods (305) and fixed blocks (306), wherein the fixed support (301) is arranged on two sides of the second vibration reduction mechanism (3), the round rods (302) are fixedly connected to the middle of the two fixed supports (301), the connecting blocks (304) are symmetrically and slidably connected to the outer surfaces of the round rods (302), the second springs (303) are fixedly connected to the opposite surfaces of the connecting blocks (304), the connecting rods (305) are rotatably connected to one sides of the connecting blocks (304), and the fixed blocks (306) are rotatably connected to the other sides of the connecting rods (305).
2. A vibration and noise reducing device for rail transit equipment as claimed in claim 1, wherein: the main body mechanism (1) is composed of a track main body (101), sliding grooves (102) and a bottom plate (103), wherein the track main body (101) is arranged at the center of the main body mechanism (1), the sliding grooves (102) are symmetrically arranged on two sides of the bottom of the track main body (101), and the bottom plate (103) is fixedly connected to the bottom of the track main body (101).
3. A vibration and noise reducing device for rail transit equipment as claimed in claim 1, wherein: the displacement mechanism (4) comprises acoustic celotex board (401), motor (402), two-way threaded rod (403) and displacement groove (404), the outside of displacement mechanism (4) is located in acoustic celotex board (401), acoustic celotex board (401) are close to one side of track main part and are equipped with the sound sponge that inhales, motor (402) fixed connection is in the bottom place ahead of acoustic celotex board (401), two-way threaded rod (403) rotate connect in the inside of acoustic celotex board (401), the front end of two-way threaded rod (403) is connected in the output of motor (402), displacement groove (404) are seted up in one side below of acoustic celotex board (401) near track main part (101).
4. A vibration and noise reducing device for rail transit equipment as claimed in claim 1, wherein: the sliding block (206) is in size sliding connection with the inside of the sliding groove (102), the fixed support (301) is symmetrically and fixedly connected with the upper part of the bottom plate (103), and the fixed blocks (306) are symmetrically and fixedly connected with the two sides of the track main body (101).
5. A vibration and noise reducing device for rail transit equipment as claimed in claim 1, wherein: the center of the displacement block (201) is provided with a hole, the size of the hole is matched with the size of the bidirectional threaded rod (403), the displacement block (201) is in threaded connection with the bidirectional threaded rod (403), and the displacement block (201) is in sliding connection with the inside of the displacement groove (404).
6. A vibration and noise reducing device for rail transit equipment as claimed in claim 1, wherein: the telescopic rod (202) penetrates through the hollow inside of the first spring (203), and the round rod (302) penetrates through the hollow inside of the second spring (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321927750.4U CN220246575U (en) | 2023-07-21 | 2023-07-21 | Vibration and noise reduction device for rail transit equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321927750.4U CN220246575U (en) | 2023-07-21 | 2023-07-21 | Vibration and noise reduction device for rail transit equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246575U true CN220246575U (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321927750.4U Active CN220246575U (en) | 2023-07-21 | 2023-07-21 | Vibration and noise reduction device for rail transit equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246575U (en) |
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- 2023-07-21 CN CN202321927750.4U patent/CN220246575U/en active Active
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