CN103523043B - Coupler buffer and shell thereof used for compression overload protection - Google Patents
Coupler buffer and shell thereof used for compression overload protection Download PDFInfo
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- CN103523043B CN103523043B CN201310521114.6A CN201310521114A CN103523043B CN 103523043 B CN103523043 B CN 103523043B CN 201310521114 A CN201310521114 A CN 201310521114A CN 103523043 B CN103523043 B CN 103523043B
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- housing
- flexible member
- draft gear
- couple yoke
- coupler
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Abstract
The invention discloses a coupler buffer and a shell thereof used for compression overload protection. The shell is of a barrel-shaped structure with an opening formed at one end, an elastic part of the coupler buffer is arranged in the shell, and the outer edge of the cross section of the shell is orthohexagonal while the inner edge of the same is round. When a compression force applied on a vehicle exceeds bearing capacity of the coupler buffer, the shell has high strength, thereby being capable of effectively protecting the part of the coupler buffer.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly relate to a kind of coupler draft gear and for compressing
The housing of overload protection.
Background technology
Hitch is one of important device of rolling stock, by hitch, the compartment of rolling stock is connected to one
Rise.In order to avoid compartment is in the acceleration or deceleration stage, easily there is hard collision in hitch, in prior art,
Being additionally provided with coupler draft gear on vehicle, hitch is connected with compartment by coupler draft gear, and hitch buffers
Device can play cushioning effect.
Coupler draft gear of the prior art, generally uses one-way buffer structure, refer to Fig. 1, Fig. 1
Structural representation for coupler draft gear a kind of in prior art.
Coupler draft gear of the prior art include from plate 2, buffer 3, rear draft lug 4, couple yoke 5 and
Front draft lug 6, when vehicle bears compressive load, the direction of transfer of train longitudinal loading be hitch 1 → from
Plate 2 → bolster, 3 → rear draft lug 4, buffer unit can by external impact energy buffering fall, to coupler body,
Hook bolt, couple yoke, car body, goods etc. directly bear rigidity load and play a protective role.
But, when the compressive load suffered by vehicle exceedes buffer ability to bear, can be entered by hitch from plate
One step compression, until contacting with the housing of buffer from plate, buffer housing can play overload protection and make
With, thus avoiding because draft gear travel decrement is excessive, draw gear shoulder directly contacts with hook door, causes
Hook door destroys.But, owing to compressive load is excessive, buffer housing of the prior art is the most damaged.
Additionally, coupler draft gear of the prior art, when vehicle bears tensile load, train longitudinal loading
Transfer mode be hitch 1 → couple yoke, 5 → bolster 3 → from plate 2 → front draft lug 6, because of use at present
Bolster 3 is dry friction bolster, and the Quasi static Rigidity of bolster is very big, under less pull strength effect
Not having preferable cushioning effect, coupler body, hook bolt, couple yoke directly bear rigidity load, exacerbate tired
Strain wound.
Therefore, coupler draft gear how is solved in prior art when load by compression, buffer housing easily quilt
The problem damaged, becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
The invention provides a kind of housing for compressive overload protection, when vehicle power by compression exceedes hitch
During buffer bearing capacity, the housing that the present invention provides has preferable intensity, it is possible to coupler draft gear
Parts are effectively protected.Present invention also offers a kind of coupler draft gear, it has bidirectional buffering performance,
No matter being towed power effect or masterpiece used time by compression at car body, this coupler draft gear can play relatively
Good cushioning effect, it is to avoid the coupler body of vehicle, hook bolt, couple yoke because directly bearing rigidity load, and
The problem causing aggravating fatigue damage.
A kind of housing for compressive overload protection that the present invention provides, described housing is that one end is provided with opening
Tubular structure, the elastomeric element of described coupler draft gear is arranged in described housing, and described housing
The outward flange of cross section is shaped as regular hexagon, and inner edges is generally circular in shape.
Present invention also offers a kind of coupler draft gear, including as above for compressive overload protection
Housing.
Preferably, including:
For the couple yoke being connected with hitch；
For the front pedestal being arranged on car body；
The first flexible member that rear end and described couple yoke abut against, front end abuts against with described front pedestal,
When car body is towed power, described first flexible member forced compression, described housing is arranged at described hook tail
The rear end of frame, the rear end of described housing is for being connected with car body, and described housing passes through with described couple yoke
Connecting shaft concatenates mutually, and described couple yoke can be along the axial displacement of described connecting shaft；
It is arranged in described housing, and the second flexible member between described housing and described couple yoke,
When car body power by compression, described second flexible member forced compression.
Preferably, be provided with from plate in described couple yoke, the front end of described first flexible member by described from
Plate abuts against with described front pedestal, and the described tail end from plate with hitch abuts against.
Preferably, described connecting shaft by described from plate, described first flexible member, described couple yoke, institute
State the second flexible member and described housing is serially connected.
Preferably, the described side corresponding with coupler body from plate is provided with cambered surface groove, described cambered surface groove with
The sphere end of described coupler body matches.
Preferably, the rear pedestal being arranged on described car body and offseting with the rear end of described housing is also included.
Preferably, described first flexible member and described second flexible member all include the elasticity of multiple superposed
Body.
Preferably, described elastomer is sheet rubber.
Preferably, described connecting shaft stretches out in the rear end of described housing, and extension is provided with screw thread, institute
State connecting shaft to be connected with car body by the nut suitable with described screw thread.
A kind of housing for compressive overload protection that the present invention provides, described housing is that one end is provided with opening
Tubular structure, the elastomeric element of described coupler draft gear is arranged in described housing, and described housing
The outward flange of cross section is shaped as regular hexagon, and inner edges is generally circular in shape.Due to present invention offer
Overload protection housing, it has the tubular structure of opening for one end, and the flexible member of buffer can be by opening
Mouth is installed on enclosure interior, owing to the outward flange of the cross section of housing is shaped as regular hexagon, inner edges
Generally circular in shape, the housing of this structure is the shell of circle or rectangle relative to inside rim and outward flange shape
Body, can bear bigger load vertically, when the compressive load suffered by vehicle exceedes flexible member
During bearing capacity, the flexible member of its inside can effectively be protected by housing.
Present invention also offers a kind of coupler draft gear, 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 installed
On car body, the rear end of housing is connected on car body.The rear end of the first flexible member and described couple yoke phase
Abutting, front end abuts against with described front pedestal, and when car body is towed power, described first flexible member is subject to
Force compresses.Housing is arranged at the rear end of described couple yoke, and described housing and described couple yoke pass through connecting shaft
Concatenate mutually, and described couple yoke can be along the axial displacement of described connecting shaft；Second flexible member is arranged at
Between described housing and described couple yoke, when car body power by compression, described second flexible member is defeated
Contracting.
It should be noted that the "front", "rear" noun of locality is all at hitch and coupler draft gear herein
And coupler draft gear and car body are at normal mounting situation purgation indication, wherein, the hook of relatively close hitch
One end of head is front, after the one end of the gib head being relatively distant from hitch is.
Be arranged such, when car body is towed the masterpiece used time, hitch pull couple yoke along connecting shaft axial to
Front displacement, owing to the rear end of the first flexible member abuts against with couple yoke, front end abuts against with front pedestal,
Therefore, under the pressure of couple yoke, the first flexible member forced compression, plays preferable cushioning effect.
And simultaneously, pull strength is transferred to housing by connecting shaft by couple yoke, and the rear end of housing is connected on car body,
And then pull car body to travel forward.
When car body active force by compression, compression stress is transferred to couple yoke by hitch, and couple yoke is by compression stress
Being transferred to housing by the second flexible member, compression stress is transferred to car body by housing again.Now, the second bullet
Property element stress is compressed, and then can play preferable cushioning effect.
In sum, the coupler draft gear that the present invention provides has bidirectional buffering performance, no matter is subject at car body
The pull strength effect masterpiece used time the most by compression, this coupler draft gear can play preferable cushioning effect,
Avoid the coupler body of vehicle, hook bolt, couple yoke because directly bearing rigidity load, and cause aggravating tired damage
The problem of wound.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of coupler draft gear in prior art；
Fig. 2 is the cross sectional representation of specific embodiment of the invention middle shell；
Fig. 3 is the vertical section schematic diagram of specific embodiment of the invention middle shell；
Fig. 4 is coupler draft gear and hitch connection diagram in the specific embodiment of the invention；
Fig. 5 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-Fig. 5:
Couple yoke 11, front pedestal the 12, first flexible member 13, the elastic unit of housing 14, second
Part 15, hitch 16, connecting shaft 17, from plate 18, rear pedestal 19.
Detailed description of the invention
The housing for compressive overload protection that this detailed description of the invention provides, when vehicle power by compression exceedes
During coupler draft gear bearing capacity, the housing that the present invention provides has preferable intensity, it is possible to delay hitch
Rush device parts effectively to protect.This detailed description of the invention additionally provides a kind of coupler draft gear, and it has
No matter bidirectional buffering performance, be towed power effect or masterpiece used time by compression at car body, and this hitch buffers
Device can play preferable cushioning effect, it is to avoid the coupler body of vehicle, hook bolt, couple yoke are because directly holding
By rigidity load, and the problem causing aggravating 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 present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, aobvious
So, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are institute under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Refer to Fig. 2-Fig. 5, a kind of housing for compressive overload protection that this detailed description of the invention provides,
Housing 14 is provided with the tubular structure of opening for one end, and the elastomeric element of coupler draft gear is arranged at housing 14
In, and the outward flange of the cross section of housing 14 is shaped as regular hexagon, inner edges is generally circular in shape.
The overload protection housing provided due to this detailed description of the invention, it has the tubular knot of opening for one end
Structure, the flexible member of buffer can be installed on enclosure interior by opening, due to the cross section of housing outside
Edge shape is regular hexagon, and inner edges is generally circular in shape, the housing of this structure relative to inside rim and
Outward flange shape is the housing of circle or rectangle, can bear bigger load vertically, when vehicle institute
When the compressive load being subject to exceedes the bearing capacity of flexible member, housing can be to the flexible member of its inside
Effectively protect.
This detailed description of the invention additionally provides a kind of coupler draft gear, including couple yoke 11, front pedestal 12,
First flexible member 13, housing 14 and the second flexible member 15.When assembling the hitch 16 of vehicle with
The couple yoke 11 of coupler draft gear is connected, and the front pedestal 12 of coupler draft gear is arranged on car body, shell
The rear end of body 14 is connected on car body.The rear end of the first flexible member 13 abuts against with couple yoke 11, front
End abuts against with front pedestal 12, when car body is towed power, and the first flexible member 13 forced compression.Shell
Body 14 is arranged at the rear end of couple yoke 11, and housing 14 is concatenated by connecting shaft 17 phase with couple yoke 11,
And couple yoke 11 can be along the axial displacement of connecting shaft 17；Second flexible member 15 is arranged at housing 14
And between couple yoke 11, when car body power by compression, the second flexible member 15 forced compression.
It should be noted that the "front", "rear" noun of locality is all to buffer with hitch at hitch 16 herein
Device and coupler draft gear and car body are at normal mounting situation purgation indication, wherein, relatively close hitch 16
One end of gib head be front, after the one end of the gib head being relatively distant from hitch 16 is.
It is arranged such, when car body is towed the masterpiece used time, and hitch 16 pulls couple yoke 11 along connecting shaft 17
Forward axial displacement, owing to the rear end of the first flexible member 13 abuts against with couple yoke 11, front end with
Front pedestal 12 abuts against, therefore, under the pressure of couple yoke 11, and the first flexible member 13 forced compression,
Play preferable cushioning effect.And simultaneously, pull strength is transferred to shell by connecting shaft 17 by couple yoke 11
Body 14, 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, couple yoke 11 by hitch 16
By the second flexible member 15, compression stress is transferred to housing 14, and compression stress is transferred to car by housing 14 again
Body.Now, the second flexible member 15 stress is compressed, and then can play preferable cushioning effect.
In sum, the coupler draft gear that this detailed description of the invention provides has bidirectional buffering performance no matter
Being towed the power effect masterpiece used time the most by compression at car body, this coupler draft gear can play preferably
Cushioning effect, it is to avoid the coupler body of vehicle, hook bolt, couple yoke 11 is because directly bearing rigidity load, and lead
The problem causing aggravation fatigue damage.
Furthermore, it is necessary to explanation, the axial compressive force being subject to when vehicle is more than the carrying energy of flexible member
During power, couple yoke 11 abuts against with housing 14, and the housing 14 provided due to this detailed description of the invention has
Higher intensity, it is possible to avoid housing 14 by crushing, and then can be to the second flexible member 15 of its inside
Effectively protect.
In the preferred version that this detailed description of the invention provides, being provided with from plate 18 in couple yoke 11, first is elastic
The front end of element 13 is passed through to abut against with front pedestal 12 from plate 18, and from the tail end of plate 18 with hitch 16
Abut against.
When the car body masterpiece used time by compression, compression stress can be transferred directly to couple yoke 11 by hitch 16
Meanwhile, the tail end of hitch 16 also abuts against with from plate 18, and a part of compression stress is passed through its tail by hitch 16
End is transferred to from plate 18, and then compression the first flexible member 13, and the first flexible member 13 stress is compressed
Having cushioning effect, power is transferred to couple yoke 11 by the first flexible member 13, and power is passed by couple yoke 11 again
It is handed to the second flexible member 15, the second flexible member 15 forced compression, plays cushioning effect.It is arranged such,
When the car body masterpiece used time by compression, the first flexible member 13 and the second flexible member 15 compress simultaneously, tool
There is more preferable buffering effect.
Further, it is also possible to be provided with cambered surface groove in the side corresponding with coupler body from plate 18, coupler body
Tail end needs to be set to spherical, and spherical matches with cambered surface groove.It is arranged such, when coupler body is being subject to
During compression stress, if producing relative rotation with from plate 18, owing to the two contact surface is cambered surface, the two contact surface
Relatively rounder and more smooth, and contact area is bigger, it is to avoid to produce therebetween contact stress, and then cause the two
The problem of abrasion.
In order to increase the stability of buffer, connecting shaft 17 will be from plate the 18, first flexible member 13, hook
Tail frame the 11, second flexible member 15 and housing 14 are serially connected.It should be noted that from plate 18,
After first flexible member 13, couple yoke 11 and the second flexible member 15 are serially connected in connecting shaft 17, also need
Want to carry out displacement along connecting shaft 17, in order to 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
Second flexible member 15 produces elastic deformation.
Be arranged such, from plate the 18, first flexible member 13, couple yoke the 11, second flexible member 15 and
Housing 14 is serially connected by connecting shaft 17, is allowed to form an entirety, improve all parts it
Between assembly reliability.
In another preferred version that this detailed description of the invention provides, coupler draft gear can also include being arranged on
The rear pedestal 19 offseted on car body and with the rear end of housing 14.
Being arranged such, when car body is in compressive state, housing 14 offsets with the rear pedestal 19 of its rear end,
And then compression stress is transferred to car body.Compression stress suffered by car body is relatively big, and this detailed description of the invention carries
The scheme of confession, 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 first flexible member 13 and buffering effect of the second flexible member 15, the first elastic unit
Part 13 and the second flexible member 15 all include the elastomer of multiple superposed.It is arranged such, elastic by first
Element 13 and the second flexible member 15 are set to multiple structure, it is possible to be effectively improved the first flexible member 13
Buffering effect with the second flexible member 15.
Above-mentioned elastomer can be sheet rubber, and the first flexible member 13 and the second flexible member 15 are by many
Layer sheet rubber is stacked to be formed, and sheet rubber self has preferable elasticity, and its buffering effect is preferable.Certainly,
Above-mentioned elastomer is alternatively other and has the most elastic material, such as silica gel, nylon etc..
In order to be connected with car body by coupler draft gear easily, connecting shaft 17 can stretch out in housing 14
Rear end, and extension is provided with screw thread, and connecting shaft 17 is by the nut suitable with screw thread and car body phase
Connect.
It is arranged such, can be attached with car body by the nut in connecting shaft 17 and connecting shaft 17,
Easy to connect reliably.
Above a kind of coupler draft gear provided by the present invention is described in detail, used herein
Principle and the embodiment of the present invention are set forth by specific case, and the explanation of above example is simply used
In helping to understand method and the core concept thereof of the present invention.It should be pointed out that, for the art is common
For technical staff, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some changing
Entering and modify, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (6)
1. a coupler draft gear, including the housing protected for compressive overload, it is characterised in that also wrap
Include:
For the couple yoke being connected with hitch；
For the front pedestal being arranged on car body；
The first flexible member that rear end and described couple yoke abut against, front end abuts against with described front pedestal,
When car body is towed power, described first flexible member forced compression, described housing is arranged at described hook tail
The rear end of frame, the rear end of described housing is for being connected with car body, and described housing passes through with described couple yoke
Connecting shaft concatenates mutually, and described couple yoke can be along the axial displacement of described connecting shaft；
It is arranged in described housing, and the second flexible member between described housing and described couple yoke,
When car body power by compression, described second flexible member forced compression；
Described housing is the tubular structure that one end is provided with opening, and the elastomeric element of described coupler draft gear is arranged
In described housing, and the outward flange of the cross section of described housing is shaped as regular hexagon, inner edges shape
Shape is circular；
Be provided with from plate in described couple yoke, the front end of described first flexible member by described from plate with described
Front pedestal abuts against, and the described tail end from plate with hitch abuts against；
Described connecting shaft by described from plate, described first flexible member, described couple yoke, described second bullet
Property element and described housing are serially connected.
2. coupler draft gear as claimed in claim 1, it is characterised in that described relative with coupler body from plate
The side answered 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 also include being arranged on described car
The rear pedestal offseted on body and 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 includes 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 connecting shaft stretches out in institute
Stating the rear end of housing, and extension is provided with screw thread, described connecting shaft is by suitable with described screw thread
Nut is connected with car body.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521114.6A CN103523043B (en) | 2013-10-25 | 2013-10-25 | Coupler buffer and shell thereof used for compression overload protection |
| 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 |
| AU2014339562A AU2014339562B2 (en) | 2013-10-25 | 2014-10-20 | Car-coupler buffer and railway car |
| CA2893181A CA2893181C (en) | 2013-10-25 | 2014-10-20 | Car-coupler buffer and railway car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521114.6A CN103523043B (en) | 2013-10-25 | 2013-10-25 | Coupler buffer and shell thereof used for compression overload protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103523043A CN103523043A (en) | 2014-01-22 |
| CN103523043B true CN103523043B (en) | 2017-01-11 |
Family
ID=49925508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310521114.6A Active CN103523043B (en) | 2013-10-25 | 2013-10-25 | Coupler buffer and shell thereof used for compression overload protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103523043B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9707981B2 (en) | 2013-10-25 | 2017-07-18 | Crrc Qiqihar Rolling Stock Co., Ltd. Dalian Research & Development Center | Car-coupler buffer and rail way car |
| CN115272287B (en) * | 2022-08-19 | 2023-04-07 | 哈尔滨市科佳通用机电股份有限公司 | Fault detection method, medium and system for rail wagon buffer and slave plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2463373A (en) * | 1946-11-29 | 1949-03-01 | Miner Inc W H | Friction shock absorbing mechanism for railway draft riggings |
| US2588488A (en) * | 1950-04-11 | 1952-03-11 | Miner Inc W H | Friction shock absorber for railway draft riggings |
| RU2350501C1 (en) * | 2007-08-22 | 2009-03-27 | Открытое акционерное общество "Научно-производственная корпорация "Уралвагонзавод" им. Ф.Э. Дзержинского | Automatic coupler absorbing device |
| CN102632906A (en) * | 2012-04-17 | 2012-08-15 | 青岛思锐科技有限公司 | Compact buffer with overload protection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6446820B1 (en) * | 2000-09-07 | 2002-09-10 | Amsted Industries Incorporated | Railcar draft gear assembly and system |
-
2013
- 2013-10-25 CN CN201310521114.6A patent/CN103523043B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2463373A (en) * | 1946-11-29 | 1949-03-01 | Miner Inc W H | Friction shock absorbing mechanism for railway draft riggings |
| US2588488A (en) * | 1950-04-11 | 1952-03-11 | Miner Inc W H | Friction shock absorber for railway draft riggings |
| RU2350501C1 (en) * | 2007-08-22 | 2009-03-27 | Открытое акционерное общество "Научно-производственная корпорация "Уралвагонзавод" им. Ф.Э. Дзержинского | Automatic coupler absorbing device |
| CN102632906A (en) * | 2012-04-17 | 2012-08-15 | 青岛思锐科技有限公司 | Compact buffer with overload protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103523043A (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. |