CN202541573U - Elastic damping and buffering core for frictional buffer of rail wagon - Google Patents
Elastic damping and buffering core for frictional buffer of rail wagon Download PDFInfo
- Publication number
- CN202541573U CN202541573U CN2012201177081U CN201220117708U CN202541573U CN 202541573 U CN202541573 U CN 202541573U CN 2012201177081 U CN2012201177081 U CN 2012201177081U CN 201220117708 U CN201220117708 U CN 201220117708U CN 202541573 U CN202541573 U CN 202541573U
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- elastic
- buffering core
- elastic shock
- energy disperser
- type energy
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Abstract
The utility model relates to an elastic damping and buffering core for a frictional buffer of a rail wagon. The elastic damping and buffering core is characterized by comprising an elastic barrel, wherein a circle of groove is formed at the periphery of each of two ends of the elastic barrel; two semi-circular pressing rings are embedded into each groove; an end cover is arranged at each of two ends of the elastic barrel; turbulence rods which are in press mounting with the end covers integrally are arranged on inner sides of the two end covers and are positioned in the elastic barrel; a plurality of impact damping granules are filled into the elastic barrel; and a guiding sleeve is sleeved on the outer side of each of two ends of the elastic barrel. The elastic damping and buffering core consists of the elastic barrel, the end covers, the turbulence rods and a plurality of impact damping granules, and the elastic barrel is made of a thermoplastic polyester elastomer material, so when the elastic barrel is impacted, the capacity of the buffer can be improved, and a buffering and damping effect can be improved effectively. The elastic damping and buffering core can be widely applied to the frictional buffer of the rail wagon.
Description
Technical field
The utility model relates to a kind of elastic shock attenuation buffering core body, particularly about a kind of elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser.
Background technology
Railway truck is installed on draw beam inside, railway truck two ends with the friction-type energy disperser, plays the effect of buffering longitudinal direction of car impulsion.The friction-type energy disperser is made up of friction pair and steel spring, and it is that Conversion of energy with impacting is that heat energy is discharged in the environment that friction pair mainly acts on, and the effect of steel spring is for friction pair elastic force to be provided.But; The following problem that the elastic system that is made up of steel spring exists: 1, because steel spring itself does not absorb the function of energy or dissipation energy; Therefore steel spring just simply is converted into elastic potential energy with kinetic energy when impacting receiving; Again elastic potential energy is converted into kinetic energy then and discharges, steel spring does not have consumed energy in whole process.2, because the force-displacement curve of steel spring is a straight line, the bounce that is to say steel spring increases along with the increase of reduction length is linear, and this specific character is disadvantageous for improving energy disperser single-piece capacity.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides a kind of ability actv. and improves the friction-type buffer capacity, and can improve the elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser of buffering and damping effect.
For realizing above-mentioned purpose; The utility model is taked following technical scheme: a kind of elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser; It is characterized in that: it comprises an elasticity bucket; Said elasticity bucket both ends peripheral region is provided with a circle groove, all is embedded with two semicircle pressure rings in each said groove; Said elasticity bucket two ends are separately installed with an end cap, and it is inboard to be positioned at two said end caps, are respectively arranged with one and press-fit all-in-one-piece flow-disturbing bar with said end cap, and two said flow-disturbing bars all are positioned at said elasticity bucket; Also be filled with some impact damping particles in the said elasticity bucket; Be positioned at outside, said elasticity bucket two ends and also be arranged with an orienting sleeve respectively.
Be provided with screw hole on each said pressure ring, also be provided with on each said end cap with said pressure ring screwing hole and be cooresponding screw hole; Each said end cap screwing hole is fixed on said end cap on the said elasticity bucket through tightening screw.
Said elasticity bucket adopts the thermoplastic polyester elastomer material to process.
It is that the high strength steel ball of 46～50HRC is processed that said some impact damping particles all adopt rough surface and hardness.
It is that the high strength steel of 55～60HRC is processed that two said flow-disturbing bars all adopt hardness.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, the utility model is because employing is made up of elasticity bucket, end cap, flow-disturbing bar and some impact damping particles, and the elasticity bucket adopts the thermoplastic polyester elastomer material to process.When receiving when impacting; The elasticity bucket can provide certain bounce and absorb certain energy through the friction between its interior molecules; And the resistance of the elastic shock attenuation of the utility model buffering core body is nonlinearities change along with the increase of amount of compression, and the capacity that improves energy disperser is had good effect.2, the utility model is because two flow-disturbing bars are positioned at elasticity bucket inside; And two flow-disturbing bars all adopt high strength steel to process; When receiving when impacting, the flow-disturbing bar can impact some impact damping particles, and certain resistance is provided; While reaches impact damping particle and produces friction consumption certain energy each other between flow-disturbing bar and impact damping particle, so can improve buffering and damping effect effectively.3, the utility model when receiving slight vibrations, can produce friction between some impact damping particles because some impact damping particles all adopt shaggy high strength steel ball to process, thereby the absorbing vibration energy reaches the purpose of damping.The utility model can be extensively used in the friction-type energy disperser at railway truck.
Description of drawings
Fig. 1 is the integral structure scheme drawing of the utility model;
Fig. 2 is that the utility model is assembled in the structural representation in the friction-type energy disperser.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
As shown in Figure 1, the utility model comprises an elasticity bucket 1, and elasticity bucket 1 both ends peripheral region is provided with a circle groove 2, all is embedded with two semicircle pressure rings 3 in each groove 2.Elasticity bucket 1 two ends are separately installed with an end cap 4, and each end cap 4 is fitted with elasticity bucket 1 end through two semicircle pressure rings 3 respectively closely.Be positioned at two end cap 4 inboards, be respectively arranged with one and press-fit 5, two flow-disturbing bars 5 of all-in-one-piece flow-disturbing bar and all be positioned at elasticity bucket 1 with end cap 4; In elasticity bucket 1, also be filled with some impact damping particles 6; Be positioned at outside, elasticity bucket 1 two ends and also be arranged with an orienting sleeve 7 respectively.
In the foregoing description, be provided with screw hole 8 on each pressure ring 3, also be provided with screw hole 8 on each end cap 4, be corresponding setting with pressure ring 3 screwing holes 8.Each end cap 4 screwing hole 8 is fixed on end cap 4 on the elasticity bucket 1 through tightening screw 9.
Among above-mentioned each embodiment; Elasticity bucket 1 adopts the thermoplastic polyester elastomer material to process; Thermoplastic polyester elastomer has good resistance to abrasion, Dent resistance, counter-bending fatigability and rebound resilience, low permanent deformation, high peel strength, and good fuel resistance and chemical resistance.
Among above-mentioned each embodiment, it is that the high strength steel of 55～60HRC is processed that two flow-disturbing bars 5 all adopt hardness.
Among above-mentioned each embodiment, it is that the high strength steel ball of 46～50HRC is processed that some impact damping particles 6 all adopt rough surface and hardness.
In sum, in use, when the elastic shock attenuation of the utility model buffering core body receives when impacting, elasticity bucket 1 can provide certain bounce and absorb certain energy through the friction between its interior molecules; Two flow-disturbing bars 5 can impact some impact damping particles 6 simultaneously, and certain resistance is provided.Between two flow-disturbing bars 5 and some impact damping particles 6 and some impact damping particles 6 produce friction each other and consume certain energy.When elastic shock attenuation buffering core body receives slight vibrations, impact between some impact damping particles 6 to produce friction, thereby the absorbing vibration energy reaches the purpose of damping.
As shown in Figure 2; When being installed in the elastic shock attenuation of the utility model buffering core body 10 in the railway truck friction-type energy disperser 11; Receiving when impacting, the resistance of elastic shock attenuation buffering core body 10 has good effect along with the increase of amount of compression is nonlinearities change to the capacity that improves energy disperser 11.Simultaneously, when being given a shock, produce friction between the some impact dampings of the elastic shock attenuation buffering core body 10 in-to-ins particle 6, consume vibration energy, play the purpose of damping.
Above-mentioned each embodiment only is used to explain the utility model; The connection of each parts and structure all can change to some extent; On the basis of the utility model technical scheme; All improvement and equivalents of the connection and the structure of individual component being carried out according to the utility model principle all should not got rid of outside the protection domain of the utility model.
Claims (7)
1. an elastic shock attenuation that is used for railway truck friction-type energy disperser cushions core body, and it is characterized in that: it comprises an elasticity bucket, and said elasticity bucket both ends peripheral region is provided with a circle groove, all is embedded with two semicircle pressure rings in each said groove; Said elasticity bucket two ends are separately installed with an end cap, and it is inboard to be positioned at two said end caps, are respectively arranged with one and press-fit all-in-one-piece flow-disturbing bar with said end cap, and two said flow-disturbing bars all are positioned at said elasticity bucket; Also be filled with some impact damping particles in the said elasticity bucket; Be positioned at outside, said elasticity bucket two ends and also be arranged with an orienting sleeve respectively.
2. the elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser as claimed in claim 1 is characterized in that: be provided with screw hole on each said pressure ring, also be provided with on each said end cap with said pressure ring screwing hole and be cooresponding screw hole; Each said end cap screwing hole is fixed on said end cap on the said elasticity bucket through tightening screw.
3. the elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser as claimed in claim 1, it is characterized in that: said elasticity bucket adopts the thermoplastic polyester elastomer material to process.
4. the elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser as claimed in claim 2, it is characterized in that: said elasticity bucket adopts the thermoplastic polyester elastomer material to process.
5. like claim 1 or 2 or the 3 or 4 described elastic shock attenuations buffering core bodys that are used for railway truck friction-type energy disperser, it is characterized in that: it is that the high strength steel ball of 46～50HRC is processed that said some impact damping particles all adopt rough surface and hardness.
6. like claim 1 or 2 or the 3 or 4 described elastic shock attenuations buffering core bodys that are used for railway truck friction-type energy disperser, it is characterized in that: it is that the high strength steel of 55～60HRC is processed that two said flow-disturbing bars all adopt hardness.
7. the elastic shock attenuation buffering core body that is used for railway truck friction-type energy disperser as claimed in claim 5 is characterized in that: it is that the high strength steel of 55～60HRC is processed that two said flow-disturbing bars all adopt hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201177081U CN202541573U (en) | 2012-03-26 | 2012-03-26 | Elastic damping and buffering core for frictional buffer of rail wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201177081U CN202541573U (en) | 2012-03-26 | 2012-03-26 | Elastic damping and buffering core for frictional buffer of rail wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202541573U true CN202541573U (en) | 2012-11-21 |
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ID=47162247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201177081U Expired - Lifetime CN202541573U (en) | 2012-03-26 | 2012-03-26 | Elastic damping and buffering core for frictional buffer of rail wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202541573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606661A (en) * | 2012-03-26 | 2012-07-25 | 南车二七车辆有限公司 | Elastic damping and buffering core body for friction type buffer of rail wagon |
| CN113715863A (en) * | 2021-09-09 | 2021-11-30 | 原宇博 | Subway vehicle traction mechanism with buffer mechanism during emergency stop |
-
2012
- 2012-03-26 CN CN2012201177081U patent/CN202541573U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606661A (en) * | 2012-03-26 | 2012-07-25 | 南车二七车辆有限公司 | Elastic damping and buffering core body for friction type buffer of rail wagon |
| CN113715863A (en) * | 2021-09-09 | 2021-11-30 | 原宇博 | Subway vehicle traction mechanism with buffer mechanism during emergency stop |
| CN113715863B (en) * | 2021-09-09 | 2022-06-28 | 原宇博 | Subway vehicle traction mechanism with buffer mechanism during emergency stop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100072 No. 1 Zhangguozhuangjia, Fengtai District, Beijing Patentee after: CRRC BEIJING ERQI VEHICLE Co.,Ltd. Address before: 100072 No. 1 Zhangguozhuangjia, Fengtai District, Beijing Patentee before: CSR Erqi Vehicle Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190625 Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR ROLLING STOCK Co.,Ltd. Address before: 100072 No. 1 Zhangguozhuangjia, Fengtai District, Beijing Patentee before: CRRC BEIJING ERQI VEHICLE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |