CN103523048B - A kind of coupler draft gear - Google Patents
A kind of coupler draft gear Download PDFInfo
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- CN103523048B CN103523048B CN201310521145.1A CN201310521145A CN103523048B CN 103523048 B CN103523048 B CN 103523048B CN 201310521145 A CN201310521145 A CN 201310521145A CN 103523048 B CN103523048 B CN 103523048B
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- flexible member
- couple yoke
- car body
- housing
- draft gear
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Abstract
The invention discloses a kind of coupler draft gear, including: for the couple yoke being connected with hitch；For being arranged on the front pedestal on car body；The first flexible member that rear end and couple yoke abut against, front end and front pedestal abut against, when car body is towed power, the first flexible member forced compression；Being arranged at the housing of the rear end of couple yoke, the rear end of housing is for being connected with car body, and housing concatenates by being connected axle mutually with couple yoke, and couple yoke can along the axial displacement connecting axle；It is arranged at the second flexible member between housing and couple yoke, when car body power by compression, the second flexible member forced compression.So arrange, coupler draft gear provided by the invention, it has bidirectional buffering performance, power effect or masterpiece used time by compression no matter it is towed at car body, this coupler draft gear can both play good cushioning effect, avoid the coupler body of vehicle, hook bolt, couple yoke because directly bearing rigidity load, and the problem causing aggravation fatigue damage.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly relate to a kind of coupler draft gear.
Background technology
Hitch is one of important device of rolling stock, is linked together in the compartment of rolling stock by hitch.In order to avoid compartment is in the acceleration or deceleration stage, easily there is hard collision in hitch, in prior art, is additionally provided with coupler draft gear on vehicle, and hitch is connected with compartment by coupler draft gear, and coupler draft gear can play cushioning effect.
Coupler draft gear of the prior art, what generally adopt is one-way buffer structure, and refer to Fig. 1, Fig. 1 is the structural representation of a kind of coupler draft gear in prior art.
When vehicle bears compressive load; the direction of transfer of train longitudinal loading is hitch 1 → from plate 2 → bolster, 3 → rear draft lug 4; external impact energy buffering can be fallen by buffer unit, coupler body, hook bolt, couple yoke, car body, goods etc. directly bears rigidity load and plays a protective role.
But, when vehicle bears tensile load, the transfer mode of train longitudinal loading is hitch 1 → couple yoke, 5 → bolster 3 → from plate 2 → front draft lug 6, bolster 3 because adopting at present is dry friction bolster, the Quasi static Rigidity of bolster is very big, not having good cushioning effect under less pull strength effect, coupler body, hook bolt, couple yoke directly bear rigidity load, exacerbate fatigue damage.
Therefore, how to prevent when vehicle bears tensile load, because coupler draft gear does not have good cushioning effect, and cause that the coupler body of vehicle, hook bolt, couple yoke directly bear rigidity load, and then exacerbate the problem of fatigue damage, become those skilled in the art's important technological problems to be solved.
Summary of the invention
The invention provides a kind of coupler draft gear, it has bidirectional buffering performance, power effect or masterpiece used time by compression no matter it is towed at car body, this coupler draft gear can both play good cushioning effect, avoid the coupler body of vehicle, hook bolt, couple yoke because directly bearing rigidity load, and the problem causing aggravation fatigue damage.
A kind of coupler draft gear provided by the invention, including:
For the couple yoke being connected with hitch；
For being arranged on the front pedestal on car body；
The first flexible member that rear end and described couple yoke abut against, front end and described front pedestal abut against, when car body is towed power, described first flexible member forced compression；
Being arranged at the housing of the rear end of described couple yoke, the rear end of described housing is for being connected with car body, and described housing concatenates by being connected axle mutually with described couple yoke, and described couple yoke can along the axial displacement of described connection axle；
It is arranged at the second flexible member between described housing and described couple yoke, when car body power by compression, described second flexible member forced compression.
Preferably, being provided with from plate in described couple yoke, the front end of described first flexible member is abutted against from plate and described front pedestal by described, and the described tail end from plate Yu hitch abuts against.
Preferably, described connection axle by described from plate, described first flexible member, described couple yoke, described second flexible member and described housing be serially connected.
Preferably, the described side corresponding with coupler body from plate is provided with cambered surface groove, and described cambered surface groove matches with the sphere end of described coupler body.
Preferably, the rear pedestal also including being arranged on described car body and offset with the rear end of described housing.
Preferably, described first flexible member and described second flexible member all include the elastomer of multiple superposed.
Preferably, described elastomer is sheet rubber.
Preferably, described connection axle stretches out in the rear end of described housing, and extension is provided with screw thread, and described connection axle is connected with car body by the nut suitable with described screw thread.
A kind of coupler draft gear provided by the invention, including couple yoke, front pedestal, the first flexible member, housing and the second flexible member, the hitch of vehicle is connected with couple yoke in use, and front pedestal is arranged on car body, and the rear end of housing is connected on car body.The rear end of the first flexible member and described couple yoke abut against, and front end and described front pedestal abut against, when car body is towed power, and described first flexible member forced compression.Housing is arranged at the rear end of described couple yoke, and described housing concatenates by being connected axle mutually with described couple yoke, and described couple yoke can along the axial displacement of described connection axle；Second flexible member is arranged between described housing and described couple yoke, when car body power by compression, and described second flexible member forced compression.
It should be noted that, the "front", "rear" noun of locality is all at normal mounting situation purgation indication at hitch and coupler draft gear and coupler draft gear and car body herein, wherein, one end of the gib head of relatively close hitch is front, is relatively distant from after one end of the gib head of hitch is.
So arrange, when car body is towed the masterpiece used time, hitch pulls couple yoke edge to connect the forward axial displacement of axle, owing to the rear end of the first flexible member abuts against with couple yoke, front end and front pedestal abut against, therefore, under the pressure of couple yoke, first flexible member forced compression, plays good cushioning effect.And simultaneously, pull strength is transferred to housing by connecting axle by couple yoke, the rear end of housing is connected on car body, and then pulls car body to travel forward.
When car body active force by compression, compression stress is transferred to couple yoke by hitch, and compression stress is transferred to housing by the second flexible member by couple yoke, and compression stress is transferred to car body by housing again.Now, the second flexible member stress is compressed, and then can play good cushioning effect.
In sum, coupler draft gear provided by the invention has bidirectional buffering performance, power effect or masterpiece used time by compression no matter it is towed at car body, this coupler draft gear can both play good cushioning effect, avoid the coupler body of vehicle, hook bolt, couple yoke because directly bearing rigidity load, and the problem causing aggravation fatigue damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of coupler draft gear in prior art；
Fig. 2 is coupler draft gear and hitch connection diagram in the specific embodiment of the invention；
Fig. 3 is coupler draft gear schematic diagram in the specific embodiment of the invention；
In Fig. 1:
Hitch 1, from plate 2, bolster 3, rear draft lug 4, couple yoke 5, front draft lug 6；
In Fig. 2 and Fig. 3:
Couple yoke 11, front pedestal the 12, first flexible member 13, housing the 14, second flexible member 15, hitch 16, connect axle 17, from plate 18, rear pedestal 19.
Detailed description of the invention
This detailed description of the invention provides a kind of coupler draft gear, it has bidirectional buffering performance, power effect or masterpiece used time by compression no matter it is towed at car body, this coupler draft gear can both play good cushioning effect, avoid the coupler body of vehicle, hook bolt, couple yoke because directly bearing rigidity load, and the problem causing aggravation fatigue damage.
In order to make those skilled in the art be better understood from technical solution of the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 2 and Fig. 3, a kind of coupler draft gear that this detailed description of the invention provides, including couple yoke 11, front pedestal the 12, first flexible member 13, housing 14 and the second flexible member 15.When assembling, the hitch 16 of vehicle is connected with the couple yoke 11 of coupler draft gear, and the front pedestal 12 of coupler draft gear is arranged on car body, and the rear end of housing 14 is connected on car body.The rear end of the first flexible member 13 and couple yoke 11 abut against, and front end and front pedestal 12 abut against, when car body is towed power, and the first flexible member 13 forced compression.Housing 14 is arranged at the rear end of couple yoke 11, and housing 14 concatenates by being connected axle 17 phase with couple yoke 11, and couple yoke 11 can along the axial displacement connecting axle 17；Second flexible member 15 is arranged between housing 14 and couple yoke 11, when car body power by compression, and the second flexible member 15 forced compression.
It should be noted that, the "front", "rear" noun of locality is all at normal mounting situation purgation indication at hitch 16 and coupler draft gear and coupler draft gear and car body herein, wherein, one end of the gib head of relatively close hitch 16 is front, is relatively distant from after one end of the gib head of hitch 16 is.
So arrange, when car body is towed the masterpiece used time, hitch 16 pull couple yoke 11 along connect axle 17 forward axial displacement, owing to the rear end of the first flexible member 13 abuts against with couple yoke 11, front end and front pedestal 12 abut against, therefore, under the pressure of couple yoke 11, first flexible member 13 forced compression, plays good cushioning effect.And simultaneously, pull strength is transferred to housing 14 by connecting axle 17 by couple yoke 11, the rear end of housing 14 is connected on car body, and then pulls car body to travel forward.
When car body active force by compression, compression stress is transferred to couple yoke 11 by hitch 16, and compression stress is transferred to housing 14 by the second flexible member 15 by couple yoke 11, and compression stress is transferred to car body by housing 14 again.Now, the second flexible member 15 stress is compressed, and then can play good cushioning effect.
In sum, the coupler draft gear that this detailed description of the invention provides has bidirectional buffering performance, power effect or masterpiece used time by compression no matter it is towed at car body, this coupler draft gear can both play good cushioning effect, avoid the coupler body of vehicle, hook bolt, couple yoke 11 because directly bearing rigidity load, and the problem causing aggravation fatigue damage.
In the preferred version that this detailed description of the invention provides, being provided with from plate 18 in couple yoke 11, the front end of the first flexible member 13 is by abutting against from plate 18 and front pedestal 12, and abuts against from the tail end of plate 18 with hitch 16.
When the car body masterpiece used time by compression, compression stress can be transferred directly to while couple yoke 11 by hitch 16, the tail end of hitch 16 also abuts against with from plate 18, a part of compression stress is transferred to from plate 18 by hitch 16 by its tail end, and then compression the first flexible member 13, and the first flexible member 13 stress is had cushioning effect by compression, power is transferred to couple yoke 11 by the first flexible member 13, power is transferred to the second flexible member 15 by couple yoke 11 again, the second flexible member 15 forced compression, plays cushioning effect.So arranging, when the car body masterpiece used time by compression, the first flexible member 13 and the second flexible member 15 compress simultaneously, have better buffering effect.
Further, it is also possible to be provided with cambered surface groove in the side corresponding with coupler body from plate 18, the tail end of coupler body needs to be set to spherical, and spherical matches with cambered surface groove.So arrange, when coupler body is when power by compression, if producing relative rotation with from plate 18, owing to the two contact surface is cambered surface, the two contact surface is rounder and more smooth, and contact area is bigger, it is to avoid produce therebetween contact stress and then the problem causing the two abrasion.
In order to increase the stability of buffer, connecting axle 17 will be serially connected from plate the 18, first flexible member 13, couple yoke the 11, second flexible member 15 and housing 14.It should be noted that, after being serially connected in upper connection axle 17 from plate the 18, first flexible member 13, couple yoke 11 and the second flexible member 15, there is a need for being able to carry out displacement along connection axle 17, the first flexible member 13 can be compressed from plate 18, first flexible member 13 can produce elastic deformation, and couple yoke 11 can compress the second flexible member 15 and make the second flexible member 15 produce elastic deformation.
So arrange, be serially connected by connecting axle 17 from plate the 18, first flexible member 13, couple yoke the 11, second flexible member 15 and housing 14, so as to form an entirety, improve the assembly reliability between all parts.
In another preferred version that this detailed description of the invention provides, the rear pedestal 19 that coupler draft gear can also include being arranged on car body and offset with the rear end of housing 14.
So arranging, when car body is in compressive state, the rear pedestal 19 of housing 14 and its rear end offsets, and then compression stress is transferred to car body.Compression stress suffered by car body is relatively big, the scheme that this detailed description of the invention provides, it is possible to the problem preventing from damaging car body because housing 14 and car body directly come in contact.
In order to improve the buffering effect of the first flexible member 13 and the second flexible member 15, the first flexible member 13 and the second flexible member 15 all include the elastomer of multiple superposed.So arrange, the first flexible member 13 and the second flexible member 15 are set to multiple structure, it is possible to be effectively improved the buffering effect of the first flexible member 13 and the second flexible member 15.
Above-mentioned elastomer can be sheet rubber, and the first flexible member 13 and the second flexible member 15 form by multilayer rubber is stacked, and sheet rubber self has good elasticity, and its buffering effect is better.Certainly, above-mentioned elastomer is alternatively other and has better elastic material, such as silica gel, nylon etc..
In order to easily coupler draft gear is connected with car body, connect axle 17 and can stretch out in the rear end of housing 14, and extension is provided with screw thread, connect axle 17 and be connected with car body by the nut suitable with screw thread.
So arrange, can be attached with car body by connecting axle 17 and the nut connected on axle 17, easy to connect reliably.
Above a kind of coupler draft gear provided by the present invention is described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (6)
1. a coupler draft gear, it is characterised in that including:
For the couple yoke being connected with hitch；
For being arranged on the front pedestal on car body；
The first flexible member that rear end and described couple yoke abut against, front end and described front pedestal abut against, when car body is towed power, described first flexible member forced compression；
Being arranged at the housing of the rear end of described couple yoke, the rear end of described housing is for being connected with car body, and described housing concatenates by being connected axle mutually with described couple yoke, and described couple yoke can along the axial displacement of described connection axle；
It is arranged at the second flexible member between described housing and described couple yoke, when car body power by compression, described second flexible member forced compression；
Being provided with in described couple yoke from plate, the front end of described first flexible member is abutted against from plate and described front pedestal by described, and the described tail end from plate Yu hitch abuts against；
Described connection axle by described from plate, described first flexible member, described couple yoke, described second flexible member and described housing be serially connected.
2. coupler draft gear as claimed in claim 1, it is characterised in that the described side corresponding with coupler body from plate is provided with cambered surface groove, and described cambered surface groove matches with the sphere end of described coupler body.
3. coupler draft gear as claimed in claim 1, it is characterised in that the rear pedestal also including being arranged on described car body and offseting with the rear end of described housing.
4. coupler draft gear as claimed in claim 1, it is characterised in that described first flexible member and described second flexible member all include the elastomer of multiple superposed.
5. coupler draft gear as claimed in claim 4, it is characterised in that described elastomer is sheet rubber.
6. coupler draft gear as claimed in claim 1, it is characterised in that described connection axle stretches out in the rear end of described housing, and extension is provided with screw thread, and described connection axle is connected with car body by the nut suitable with described screw thread.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521145.1A CN103523048B (en) | 2013-10-25 | 2013-10-25 | A kind of coupler draft gear |
| PCT/CN2014/088917 WO2015058662A1 (en) | 2013-10-25 | 2014-10-20 | Car-coupler buffer and railway car |
| US14/648,085 US9707981B2 (en) | 2013-10-25 | 2014-10-20 | Car-coupler buffer and rail way car |
| CA2893181A CA2893181C (en) | 2013-10-25 | 2014-10-20 | Car-coupler buffer and railway car |
| AU2014339562A AU2014339562B2 (en) | 2013-10-25 | 2014-10-20 | Car-coupler buffer and railway car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521145.1A CN103523048B (en) | 2013-10-25 | 2013-10-25 | A kind of coupler draft gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103523048A CN103523048A (en) | 2014-01-22 |
| CN103523048B true CN103523048B (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310521145.1A Active CN103523048B (en) | 2013-10-25 | 2013-10-25 | A kind of coupler draft gear |
Country Status (1)
| Country | Link |
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| CN (1) | CN103523048B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015058662A1 (en) * | 2013-10-25 | 2015-04-30 | 齐齐哈尔轨道交通装备有限责任公司大连研发中心 | Car-coupler buffer and railway car |
| CN106809239A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Coupler draft gear and the Rail Transit System with it |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5360124A (en) * | 1993-07-27 | 1994-11-01 | Mcconway & Torley Corporation | Slackless buff gear connection system with sliding yoke casting |
| DE20009859U1 (en) * | 2000-05-31 | 2001-10-11 | Sab Wabco Bsi Verkehrstechnik | Device for the elastic mounting of the coupling arm of a central buffer coupling on a rail vehicle |
| CN201410961Y (en) * | 2009-07-02 | 2010-02-24 | 中国北车集团大同电力机车有限责任公司 | Buffer |
| CN202124042U (en) * | 2011-07-12 | 2012-01-25 | 中国北车集团大同电力机车有限责任公司 | Draw gear buffering device |
| CN202320351U (en) * | 2011-11-22 | 2012-07-11 | 齐齐哈尔轨道交通装备有限责任公司 | Front draft lug and railway truck |
| CN102717813A (en) * | 2012-05-23 | 2012-10-10 | 西南交通大学 | Heavy-load car coupler device with coupler tail arc contact and elastic stopping functions |
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2013
- 2013-10-25 CN CN201310521145.1A patent/CN103523048B/en active Active
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| Publication number | Publication date |
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| CN103523048A (en) | 2014-01-22 |
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Address after: Guangyuan Lushun Economic Development Zone, Dalian street Dalian city Liaoning province 116000 No. 19 Patentee after: R & D center Dalian Zhongche Qigihar Vehicle Co Ltd Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: Guangyuan Street Lushun Economic Development Zone Dalian city Liaoning province 116000 No. 19 Patentee before: Dalian research and development centre of Qiqihar orbit Transport equipment, limited liability Co.ltd Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |