CN211543533U - Full-isolation type vibration and noise reduction train body of high-speed train - Google Patents
Full-isolation type vibration and noise reduction train body of high-speed train Download PDFInfo
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- CN211543533U CN211543533U CN201921954911.2U CN201921954911U CN211543533U CN 211543533 U CN211543533 U CN 211543533U CN 201921954911 U CN201921954911 U CN 201921954911U CN 211543533 U CN211543533 U CN 211543533U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The utility model discloses a high-speed train full-isolation type vibration-damping noise-reducing vehicle body, which comprises a vehicle body and an interior, wherein the interior comprises an upper top plate, a side wall plate, a floor and a luggage rack, and is characterized in that a vibration-damping noise-reducing connecting mechanism is arranged between the vehicle body and the interior structure, the vibration-damping noise-reducing connecting mechanism comprises a first flexible connecting mechanism, a second flexible connecting mechanism and a flexible supporting block, the first flexible connecting mechanism is arranged between the side wall plate and the vehicle body, the side wall plate, the upper top plate and the luggage rack are connected with the vehicle body through the second flexible connecting mechanism, the first flexible connecting mechanism comprises a U-shaped rack, an L-shaped hook rack and an S-shaped rubber block arranged between the U-shaped rack and the L-shaped hook rack, the U-shaped rack is connected with the side wall plate, the L-shaped hook rack is connected with the vehicle body, an elastic stop is arranged above the U-shaped rack, the elastic stop is fixed on the L-shaped hook frame.
Description
Technical Field
The utility model belongs to the technical field of the design of high-speed train, concretely relates to car body of making an uproar falls in full isolated damping of high-speed train.
Background
The noise problem of high-speed trains is increasingly prominent today in the current development of high-speed rail technology, and noise comfort represents the grade of the trains to a great extent, and particularly for special areas of the trains such as VIP sightseeing areas, the noise comfort index is also more severe. The main gravity center of the early noise design is placed on how to improve the sound insulation capability of the structure, and the vibration reduction performance of the structure design is not much involved.
In order to improve the vibration damping performance of the vehicle interior structure and reduce the vibration transmission, thereby further reducing the noise in the vehicle interior and improving the comfort of the noise in the vehicle interior, further improvement is required in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car body of making an uproar falls in full isolated damping of high-speed train aims at reducing the interior noise of car, improves the interior noise comfort level of car.
In order to solve the above problems, the utility model adopts the following technical scheme: a full-isolation type vibration-damping noise-reducing vehicle body of a high-speed train comprises a vehicle body and an interior trim, wherein the interior trim comprises an upper top plate, a side wall plate, a floor and a luggage rack, an inner space of the vehicle body is enclosed by the upper top plate, the side wall plate and the floor, a vibration-damping noise-reducing connecting mechanism is arranged between the vehicle body and an interior trim structure and comprises a first flexible connecting mechanism, a second flexible connecting mechanism and a flexible supporting block, the first flexible connecting mechanism is arranged between the side wall plate and the vehicle body, the side wall plate, the upper top plate and the luggage rack are connected with the vehicle body through the second flexible connecting mechanism, the first flexible connecting mechanism comprises a U-shaped rack, an L-shaped hook rack and an S-shaped rubber block arranged between the U-shaped rack and the L-shaped hook rack, the U-shaped rack is connected with the side wall plate, and the L-shaped hook rack is connected with the vehicle body, and an elastic stop is arranged above the U-shaped frame and fixed on the L-shaped hook frame.
The automobile body inboard sets up C type spread groove, L type couple frame passes through T type bolted connection with C type spread groove.
The elastic stop catch comprises a first metal framework and a rubber block, and the first metal framework and the rubber block are integrally vulcanized.
The first metal framework of the elastic stop is fixed with the L-shaped hook frame through a bolt.
And the L-shaped hook frame and the U-shaped frame are correspondingly clamped in the first clamping grooves at the two ends of the S-shaped rubber block.
The U-shaped frame is fixed on the side wall plate through bolts.
The flexible supporting block is arranged between the floor and the vehicle body, and an adjusting rubber gasket is arranged between the floor and the flexible supporting block.
The flexible supporting block is a novel polyurethane supporting block.
The second flexible connecting mechanism is arranged between the vehicle body and the luggage rack and comprises a second metal framework and damping rubber, a second clamping groove is formed in the inner side of the second metal framework, the damping rubber pad is clamped in the second clamping groove, and the second metal rack and the vehicle body are fixed through bolts.
The utility model has the advantages that:
1. the utility model discloses an interior trim and automobile body, the damping that first flexible coupling mechanism, second flexible coupling mechanism and flexible supporting block formed falls coupling mechanism of making an uproar between automobile body and interior trim, form the mode of full flexibility between automobile body and interior trim promptly and be connected, can effectually reduce the vibration transmission of automobile body to interior trim, utilize the damping project organization to build a relative confined quiet space in the car, provide low noise, the high comfort's of taking space experience for this regional passenger.
2. The utility model discloses a flexible coupling mechanism includes U type frame, L type couple frame and sets up the S type block rubber between U type frame and L type couple frame, realizes the full elastic connection of whole car interior trim and automobile body, replaces the full rigid connection between automobile body and the interior trim, plays and reduces the automobile body vibration transmission to reduce the purpose of structure noise, set up the elasticity backstop on the L type couple frame, this elasticity backstop is located U type frame top.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a first flexible connection mechanism of the present invention;
fig. 3 is a schematic perspective view of a first flexible connecting mechanism of the present invention;
FIG. 4 is a schematic view of a second flexible connection mechanism of the present invention;
FIG. 5 is a schematic view of the connection structure of the floor and the vehicle body of the present invention;
in the figure:
the automobile body comprises a 1-automobile body, a 101-C-shaped connecting groove, a 2-interior structure, a 201-top plate, a 202-side wall plate, a 203-luggage rack, a 204-floor, a 3-flexible supporting block, a 4-first flexible connecting mechanism, a 401-U-shaped rack, a 402-L-shaped hook rack, a 403-S-shaped rubber block, a 431-first clamping groove 4, a 404-elastic stopping block, a 441-metal framework, a 442-rubber block, a 5-second flexible connecting mechanism, a 501-second metal framework, 502-damping rubber, a 511-second clamping groove, a 6-T-shaped bolt and a 7-leveling gasket.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.
As shown in fig. 1 to 5, a fully isolated vibration damping and noise reducing vehicle body of a high-speed train comprises a vehicle body 1 and an interior structure 2, wherein the interior structure 2 comprises an upper top plate 201, a side wall plate 202, a floor 204 and a luggage rack 203, the upper top plate 201, the side wall plate 202 and the floor 204 enclose an internal space of the vehicle body, a vibration damping and noise reducing connecting mechanism is arranged between the vehicle body 1 and the interior structure 2, and the vibration damping and noise reducing connecting mechanism comprises a first flexible connecting mechanism 4, a second flexible connecting mechanism 5 and a flexible supporting block 3.
The vehicle body 1 is formed by welding aluminum profiles to form an outer layer vibration source of noise in the whole vehicle, the interior structure 2 comprises an upper top plate 201, a side wall plate 202, a floor 204 and a luggage rack 203 to form an inner layer vibration source of the noise in the whole vehicle, a rigid connection mode is replaced by a flexible connection mode between the inner layer and the outer layer, and the flexible connection mode plays a key role in reducing vibration transmission in the vehicle.
First flexible connection mechanism 4 sets up between side wall board 202 and automobile body 1, first flexible connection mechanism 4 includes U type frame 401, L type couple frame 402 and sets up the S type block rubber 403 between U type frame 401 and L type couple frame 402, U type frame 401 links to each other with side wall board 202, L type couple frame 402 links to each other with automobile body 1, U type frame 401 top sets up elasticity backstop 404, elasticity backstop 404 is fixed on L type couple frame 402, does not have any rigidity lug connection between side wall board 202 and the automobile body 1, effectively reduces the vibration transmission.
The inner side of the vehicle body 1 is provided with a C-shaped connecting groove 101, the first flexible connecting mechanism 4 is connected with the C-shaped connecting groove 101 through a T-shaped bolt 6, and specifically, an L-shaped hook frame 402 of the first flexible connecting mechanism 4 is connected with the C-shaped connecting groove 101 through the T-shaped bolt 6.
The elastic stopping piece 404 comprises a metal framework 441 and a rubber block 442, the metal framework 441 and the rubber block 442 are vulcanized and integrally formed, the first metal framework 441 of the elastic stopping piece 404 and the L-shaped hook frame 402 are fixed through bolts, specifically, the U-shaped frame is prevented from moving up and down through the arrangement of the elastic stopping piece 404, and further, the connection stability is improved.
The flexible supporting block 3 is arranged between the floor 204 and the vehicle body 1, the leveling gasket 7 is arranged between the floor 1 and the flexible supporting block 3, and the floor 204, the flexible supporting block 3 and the vehicle body 1 are connected in a bonding mode to meet the requirement of the flatness of the floor 204.
The flexible supporting block 3 is a novel polyurethane supporting block, and replaces a rigid section bar supporting mode, and the fully flexible floor supporting mode can reduce vibration transmission brought by the bottom of a vehicle body, particularly a wheel rail walking part, to the maximum extent, and reduce radiation noise in the vehicle.
The second flexible connecting mechanism 5 is arranged between the vehicle body 1 and the luggage rack 203, the second flexible connecting mechanism 5 comprises a second metal framework 501 and vibration damping rubber 502, a second clamping groove 511 is formed in the inner side of the second metal framework 501, the vibration damping rubber pad 502 is clamped in the second clamping groove 511, the second metal framework 501 and the vehicle body 1 are fixed through bolts, namely the bolts sequentially penetrate through the second metal framework 501, the vibration damping rubber 502 and the vehicle body 1, and the interior structure 2 and the vehicle body are not directly rigidly connected, so that the noise reduction effect is achieved.
The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. A full-isolation type vibration-damping noise-reducing vehicle body of a high-speed train comprises a vehicle body and an interior, wherein the interior comprises an upper top plate, a side wall plate, a floor and a luggage rack, and the upper top plate, the side wall plate and the floor enclose an inner space of the vehicle body, and is characterized in that a vibration-damping noise-reducing connecting mechanism is arranged between the vehicle body and an interior structure and comprises a first flexible connecting mechanism, a second flexible connecting mechanism and a flexible supporting block, the first flexible connecting mechanism is arranged between the side wall plate and the vehicle body, the side wall plate, the upper top plate and the luggage rack are connected with the vehicle body through the second flexible connecting mechanism, the first flexible connecting mechanism comprises a U-shaped rack, an L-shaped hook rack and an S-shaped rubber block arranged between the U-shaped rack and the L-shaped hook rack, the U-shaped rack is connected with the side wall plate, and the L-shaped hook rack is connected with the vehicle body, and an elastic stop is arranged above the U-shaped frame and fixed on the L-shaped hook frame.
2. The fully-isolated vibration-damping and noise-reducing train body of claim 1, wherein a C-shaped connecting groove is formed in the inner side of the train body, and the L-shaped hook frame is connected with the C-shaped connecting groove through a T-shaped bolt.
3. The fully-isolated vibration-damping and noise-reducing train body of claim 1, wherein the elastic stop comprises a first metal framework and a rubber block, and the first metal framework and the rubber block are integrally formed by vulcanization.
4. The fully-isolated vibration-damping and noise-reducing train body of claim 2, wherein the first metal framework of the elastic stop is fixed with the L-shaped hook frame through bolts.
5. The fully-isolated vibration-damping and noise-reducing train body of any one of claims 1 to 3, wherein the S-shaped rubber block has first slots at both ends, and the L-shaped hook frame and the U-shaped frame are correspondingly clamped in the first slots at both ends of the S-shaped rubber block.
6. The fully isolated vibration and noise reduction train body of claim 1, wherein the U-shaped frame is fixed on the side wall plate through bolts.
7. The fully-isolated vibration and noise reduction train body of claim 1, wherein the flexible supporting block is arranged between the floor and the train body, and an adjusting rubber gasket is arranged between the floor and the flexible supporting block.
8. The fully isolated vibration damping and noise reducing vehicle body of the high-speed train as claimed in claim 7, wherein the flexible support block is a new polyurethane support block.
9. The fully-isolated vibration and noise reduction train body of claim 8, wherein the second flexible connection mechanism is disposed between the train body and the luggage rack, the second flexible mechanism comprises a second metal frame and vibration-damping rubber, a second slot is disposed on the inner side of the second metal frame, the vibration-damping rubber is clamped in the second slot, and the second metal frame and the train body are fixed by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954911.2U CN211543533U (en) | 2019-11-12 | 2019-11-12 | Full-isolation type vibration and noise reduction train body of high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954911.2U CN211543533U (en) | 2019-11-12 | 2019-11-12 | Full-isolation type vibration and noise reduction train body of high-speed train |
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| Publication Number | Publication Date |
|---|---|
| CN211543533U true CN211543533U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921954911.2U Active CN211543533U (en) | 2019-11-12 | 2019-11-12 | Full-isolation type vibration and noise reduction train body of high-speed train |
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| CN (1) | CN211543533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4101721A1 (en) | 2021-06-11 | 2022-12-14 | SpeedInnov | Kit for mounting a trim panel to a body of a transport vehicle, body and vehicle comprising such a kit and associated assembly method |
-
2019
- 2019-11-12 CN CN201921954911.2U patent/CN211543533U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4101721A1 (en) | 2021-06-11 | 2022-12-14 | SpeedInnov | Kit for mounting a trim panel to a body of a transport vehicle, body and vehicle comprising such a kit and associated assembly method |
| FR3123871A1 (en) * | 2021-06-11 | 2022-12-16 | Speedinnov | Support for fixing a trim panel to a transport vehicle body, mounting sub-assembly, fixing kit, body and vehicle comprising such a support and associated mounting method |
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Address after: No.86, Jinhong East Road, Chengyang District, Qingdao City, Shandong Province Patentee after: Qingdao Sifang Alstom railway transportation equipment Co.,Ltd. Address before: No.86, Jinhong East Road, Chengyang District, Qingdao City, Shandong Province Patentee before: BOMBARDIER SIFANG (QINGDAO) TRANSPORTATION Ltd. |