CN209126738U - A kind of centering supporting mechanism, the coupler and draft gear using the mechanism - Google Patents
A kind of centering supporting mechanism, the coupler and draft gear using the mechanism Download PDFInfo
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- CN209126738U CN209126738U CN201821410790.0U CN201821410790U CN209126738U CN 209126738 U CN209126738 U CN 209126738U CN 201821410790 U CN201821410790 U CN 201821410790U CN 209126738 U CN209126738 U CN 209126738U
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Abstract
The utility model relates to a kind of centering supporting mechanism, using the coupler and draft gear and centering method of the mechanism, belong to traveling vehicle technical field.The mechanism includes the device for exerting to mid-game and positioned at hitch extending direction two sides to form hitch rotation center, and the device for exerting constitutes cam pair with to the centering recess of mid-game by idler wheel；The neighbouring path section to mid-game of centering recess, and connect by increasing diametal curve with to the major diameter section of mid-game；Deviate the rotation center to mid-game towards major diameter section side in the idler wheel center of circle that the direction of exerting pressure of the device for exerting is fallen into centering recess.The utility model reasonably combines pressure biasing to mid-game the outline design with simple and direct, ingenious to solve the problems, such as that vehicle connects extension and roller stress dislocation automatically on bend.
Description
Technical field
The utility model relates to a kind of centering supporting mechanisms, and using the coupler and draft gear of the mechanism, belong to walking
Technical field of vehicle.
Background technique
Coupler and draft gear plays connection vehicle, mitigates impact, is the critical component in rail vehicle.It is therein right
Hitch is fixed on the vertical of vehicle lengthwise direction in horizontal direction by rubber, spring or other elastic elements by middle supporting mechanism
Phenomena such as making hitch entirety vertical height consistent on axis, on vertical direction, " come back, bow " does not occur, facilitates hitch even to hang.
Centering supporting mechanism is also able to achieve the automatic centering function in certain angle.
Pass through centering when as shown in Figure 1 (referring to Fig. 6) with the immediate existing centering supporting mechanism of the application, containing installation
What mounting disc and mounting base were connected is loaded on centering mounting disc to mid-game 3 and hinge and to the centering bracket between mid-game 3, the centering
Left baffle of the side of bracket equipped with constraint hitch swing and the radial device for exerting 1 positioned at hitch extending direction two sides
(pneumatic or mechanical compression), radial device for exerting 1 constitute cam pair with to the center-aligned arc depressed area of mid-game by idler wheel 2.
In work, when hitch horizontal direction force rotation, by connection centering bracket rotation, turn idler wheel opposing recesses
Position, and because realizing automatic centering reset due to generating under device for exerting acts on and returning to the trend of concave bottom.This prior art
Have the drawback that the demand that hitch is hooked in bending track section that can not adapt to --- because at this time since track turn bilge radius is smaller
Cause hitch pivot angle to connect extension range automatically beyond conventional, as a result have to connect extension using transition car coupler or manually, not only time-consuming consumption
Power, operation difficulty are big, and exist certain dangerous.
Retrieval is it is found that application No. is the Chinese patent literatures of 201710871656 .4 to disclose a kind of hitch automatic centering
Device and rail vehicle rescue mode, hitch automatic centring device include the cam being fixedly linked with coupler draft gear shell
The outer peripheral surface of disk, the cam disc is equipped with the first recess, the second recess and third recess, is correspondingly provided on the outside of each recess
One cylinder, three cylinders pass through corresponding air supply line respectively and are connected to train line, valve are housed, respectively on every air supply line
For valve by three control switch control switches, only a cylinder keeps aeration status in three cylinders making, therefore can solve
Hitch connects extension technical problem on sharp radius curve automatically.However, its structure is complex, regulation is inconvenient.
Summary of the invention
The purpose of this utility model is that: it is directed to above-mentioned disadvantage of the existing technology, proposes that a kind of structure is simple, manipulate
It is convenient, vehicle on minor radius bend can be properly settled and connect extension problem automatically.
In order to achieve the above object, the basic technical scheme of the utility model centering supporting mechanism are as follows: including forming hitch
The device for exerting to mid-game and positioned at hitch extending direction two sides at rotation center, the device for exerting is by idler wheel and to mid-game
Centering recess constitute cam pair；It is improved in that the neighbouring path section to mid-game of centering recess, and by increasing diameter
Curve is connect with to the major diameter section of mid-game；The direction of exerting pressure of the device for exerting is through being fallen into the idler wheel center of circle of centering recess towards major diameter
Deviate the rotation center to mid-game in section side.
Especially centering recess is arc depression, and the device for exerting is Pneumatic pressing device, and increasing diametal curve can be with
It is the increasing diameter tangent line tangent with arc depression.
Using the coupler and draft gear of the utility model centering supporting mechanism are as follows: described to be hung to mid-game by centering mounting disc
Dress is fixed under the mounting base being fixedly connected with the vehicle body；Described fill to hinge between mid-game and centering mounting disc can be around to mid-game rotation
The centering bracket of center rotation is symmetrically arranged Pneumatic pressing device in hitch extending direction two sides on the centering bracket；
The outer end of the Pneumatic pressing device connects pneumatic supply by hose, and inner end piston is made up of idler wheel with to the arc depression of mid-game
Cam pair.
Further, left and right baffle is respectively fixedly connected on the inside of two Pneumatic pressing devices of the centering bracket, two baffles are solid respectively
It is scheduled on centering bracket, the centering pedestal lower end is by adjusting the lower pallet of stay bolt and resilient support to be connected, the elasticity branch
The upper end of support and the spill sliding block constrained between two baffles are connected, and draw bar is clamped in the sliding block.
Further, the draw bar is mainly by the axis of traction of front end, the elastomer and suit that are fixed on axis of traction
And the balance staff for being axially and radially constrained in elastomer is constituted.
Further, the elastomer by folder gear balance staff both ends and serve as a contrast elastic component in balance staff inner hole combine and
At.
Further, the outboard containment of the balance staff is in the spill of sliding block.
Also further, the rear end of the draw bar extends into the hole in the middle part of mounting base.
In work, though the rotation center to mid-game is deviateed in idler wheel compression direction, since arc depression is located at path section, and
The torque that two pairs of rollers generate mid-game rotation center mutually balances, therefore still generates the trend for returning to arc depression bottom and protect
Automatic centering is demonstrate,proved to reset.
When hitch horizontal direction force connection centering bracket drives device for exerting rotation clockwise or counterclockwise (even if pendulum
Larger gyration is idler wheel threshing arc depression), centering supporting mechanism (or centering bracket component) will be simultaneously by mid-game
The power apply to right roller and power that mid-game, centering mounting disc are applied to centering bracket, since centering bracket is nested in pair
Can be with rotation in mid-game and centering mounting disc, and the pressure that two sides device for exerting applies is identical, therefore is indexed into increasing diametal curve
On idler wheel cause the arm of force to increase because increasing diameter, necessarily lead to the torque for being greater than another idler wheel relative to rotation center, as a result make pair
Middle device has the trend for returning to arc depression bottom and guarantees automatic centering and reset.
And when bending track radius is smaller to cause hitch pivot angle to connect extension range automatically beyond routine, as long as control two sides are applied
Pressure device generates appropriate pressure difference, and two idler wheels press to the torque that generates to mid-game for disequilibrium, make centering bracket connection hitch by
Need to deflect, until reaching a certain position makes equal with anti-clockwise torque, mutual balance clockwise, lull in the position,
To meet the needs of bending track section is even hung.
It follows that including: using the centering method of the utility model coupler and draft gear
When hitch be in automatically connect hang range when, enable alignment function and deactivate pivot angle adjustment --- guarantee two sides pressure dress
The air pressure set is identical, and two idler wheels is kept to have the trend for returning to arc depression bottom；
When hitch beyond extension range is connected automatically, deactivate alignment function and enable pivot angle adjustment --- regulation two sides processed on demand
The draught head of device for exerting guarantees that two idler wheels pause at required swash angle position respectively.
In short, the utility model reasonably combines pressure biasing to mid-game the outline design with simple and direct, it is ingenious to solve bend
Upper vehicle connects the problem of extension and roller stress dislocation automatically.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the embodiment that attached drawing provides.
Fig. 1 is and the immediate existing centering supporting mechanism structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model embodiment one.
Fig. 3 is the centering plate wheel exterior feature curve synoptic diagram of Fig. 2 embodiment.
Fig. 4 is the coupler and draft gear schematic perspective view using Fig. 2 embodiment.
Fig. 5 is the dimensional decomposition structure diagram of Fig. 4.
Fig. 6 is Fig. 2 embodiment to mid-game twisting states stress analysis schematic diagram.
Fig. 7 is the centering plate wheel exterior feature curve synoptic diagram of the utility model embodiment two.
Specific embodiment
Embodiment one
The centering supporting mechanism basic structure of the present embodiment is (referring to Fig. 3, Fig. 4) as shown in Figure 2, to the center hinge of mid-game 3
It fills hole and forms hitch rotation center O, hitch extending direction (horizontal direction through rotation center in figure) two sides respectively symmetrically dispose
The piston of Pneumatic pressing device 1, Pneumatic pressing device 1 constitutes cam pair with to the arc depression of mid-game 3 by idler wheel 2.
As shown in figure 3, have between corresponding two Pneumatic pressing devices 1 to the gabarit of mid-game 3, the major diameter section that radius is Rb,
And correspond to except two Pneumatic pressing devices 1, the path section that radius is Ra, the arc depression that radius is R20 is neighbouring to mid-game 3
Path section (its center of circle with to mid-game rotation center distance L), and by with the tangent increasing diameter tangent line Q and centering of arc depression
The major diameter section of disk 3 connects.For reliable centering, the radius R20 of arc depression can be equal to or less than (being preferably slightly less than) and roll
The radius Rc of wheel 2.The distance of the bottom of arc depression to rotation center O is slightly less than path section radius Ra, arc depression and path
The junction of section and increasing diameter tangent line and major diameter section is formed with fillet r.
Using the coupler and draft gear of the present embodiment centering supporting mechanism as described in Fig. 4, Fig. 5, main assembly relation
Are as follows: centering mounting disc 5 is fixed on to the lifting of mid-game 3, the mounting base 6 being fixedly connected with the vehicle body is fixed in the lifting of centering mounting disc 5
Under.It can be around the centering bracket 7 to 3 rotation center O rotation of mid-game to hinge dress between mid-game 3 and centering mounting disc 5.Centering bracket 7
On in hitch extending direction (horizontal direction through rotation center in figure) two sides be respectively symmetrically equipped with Pneumatic pressing device 1.Pneumatically
The outer end of device for exerting 1 connects pneumatic supply by hose, the piston of inner end by idler wheel 2 with it is convex to the arc depression composition of mid-game 3
Wheel set.
Left and right baffle 11 is respectively fixedly connected on the inside of two Pneumatic pressing devices 1 of centering bracket 7, two baffles 11 pass through spiral shell respectively
Bolt is fixed on centering bracket 7, and the lower end of centering bracket 7 is by adjusting stay bolt and flexibly supporting the lower pallet of (rubber material) 13
13-1 is connected, and the upper end of the resilient support 13 and the spill sliding block 12 constrained between two baffles 11 are connected, card in the sliding block 12
Draw bar 8 is filled, the draw bar 8 is mainly by the axis of traction 8-1 of front end, the elastomer 8-2 and suit that are fixed on axis of traction 8-1
And the balance staff 8-3 for being axially and radially constrained in elastomer 8-2 is constituted, specifically, elastomer 8-2 is by folder gear in balance staff 8-3 two
End and the elastic component served as a contrast in balance staff 8-3 inner hole are composed, and can have axially and radially buffering and circumferential damping is made
With.Locking nut 8-4 plays axial lock.The outboard containment of balance staff 3 is in the spill of sliding block 12.Prolong the rear end of draw bar 8
It protrudes into the hole at 6 middle part of mounting base, limits it in a certain range activity.
In installation, hitch portion is connected by snap ring with the axis of traction 8-1 of draw bar 8；It is vertical at this time to be propped up by elasticity
The tune stay bolt for supportting 13 lower parts adjusts draw bar, to be adapted to the height of hitch；Horizontal direction is then by can opposite mounting base 6, right
Middle mounting disc 5 makes draw bar 8 take the circumstances into consideration rotation on the centering bracket 7 of 3 indexing of mid-game by baffle 11, to adapt to the extension with hitch
Connect needs.
The regulation screw 6-1 of horizontal direction is housed, to mid-game 3 on the support arm that the mounting base 6 of the present embodiment is extended downward
Side towards support arm is the supporting plane for being resisted against regulation screw 6-1, therefore can be to avoid centering disk by adjusting screw 6-1
The deflection of 3 horizontal directions.
Under normal conditions, as shown in Figures 2 and 3, the stress connection centering bracket of hitch horizontal direction drives device for exerting
When there is rotation trend, due to being in two idler wheels near mid-game path section under the effect of respective Pneumatic pressing device 1, even if
Since the direction F1 and F2 of exerting pressure does not cause to generate torque by centering disk rotation center, as two reactive torques are mutual
It balances and centering bracket 7 is kept to reset trend together with 8 automatic centering of draw bar.
Once stress in hitch horizontal direction it is excessive cause idler wheel abjection arc depression deviate center position after, must have side
Idler wheel by relative shift to increase diameter tangent section, such as Fig. 6 is such, at this time since the air pressure of two device for exerting is equal, centering
Disk is right to right roller directed force F ' and its corresponding arm of force L right (deviateing the original angle action direction y) and the torque that generates greater than it
The torque that a left side roller directed force F left side ' its corresponding arm of force L left (deviateing the original angle action direction x) is generated, therefore make centering
Bracket 7 still automatically returns to the trend of recess, i.e. holding alignment function together with draw bar 8 with idler wheel.
When cause since bending track radius is smaller hitch pivot angle beyond it is conventional connect automatically hang range when, two idler wheels that are disturbed
It exerts pressure under F1 and F2 effect, is generated respectively to the torque to mid-game rotation center, as long as at this time in respective Pneumatic pressing device 1
The device for exerting for controlling two sides generates appropriate pressure difference, can make two direction torque disequilibrium, lead to centering bracket connection hitch
Deflection on demand, until a certain position is reached, so that the right side ' right side xL clockwise torque F is left with the anti-clockwise torque F ' left side xL is equal, i.e., logical
Cross two sides apply different air pressures make two idler wheels in required position balance and lull in the position, to adapt to bending track
The demand that section is even hung.
Embodiment two
The technical solution of the present embodiment is basically the same as the first embodiment, the difference is that the outer profile curve of mid-game 3 into
Optimization is gone.
Being constituted to 3 gabarit of mid-game as shown in fig. 7, as embodiment one for its centering supporting mechanism, has corresponding two gas
Between dynamic device for exerting 1, except the major diameter section that radius is Rb and corresponding two Pneumatic pressing devices 1, the path section that radius is Ra, with
And radius is the arc depression of R20, optimization place is arc depression and the tangent increasing diameter tangent line Q to 3 major diameter section of mid-game is radius
RQ(the present embodiment is the increasing diameter circular arc Q ' of 2000mm), and the device for exerting force direction in the idler wheel center of circle is crossed in the center of circle in center position
On line.It is more convenient for perceiving idler wheel " increasing diameter " variation in this way, and then regulates and controls the good centering bracket connection hitch of pressure control and deflect on demand,
And processing technology is good.
In addition, having also been devised positioned at the idler wheel lower limit position pole of path section position recess R20 '.The lower limit position is corresponding
The upper limit position of opposite side wheel, and the upper limit position of idler wheel can be determined by the intersection point of major diameter Duan Yuzeng diameter circular arc Q '.This
Sample may insure that centering process safety is reliable.Pole position recess can be that V-arrangement is recessed or radius is equal to, is slightly less than the circular arc of roller radius
It is recessed.
In addition to the implementation, the utility model can also have other embodiments.It is also possible to gradually for example, increasing diametal curve
It bursts at the seams, other conic sections such as Archimedes spiral or hyperbola, ellipse, parabola.It is all to use equivalent substitution or equivalent transformation
The technical solution of formation, all falls in the protection scope of the requires of the utility model.
Claims (21)
1. a kind of centering supporting mechanism is applied including formation hitch rotation center to mid-game and positioned at hitch extending direction two sides
Pressure device, the device for exerting constitute cam pair with to the centering recess of mid-game by idler wheel；It is characterized by: described to concave
The neighbouring path section to mid-game is fallen into, and is connect by increasing diametal curve with to the major diameter section of mid-game；The pressure side of the device for exerting
Deviate the rotation center to mid-game to the idler wheel center of circle through falling into centering recess towards major diameter section side.
2. centering supporting mechanism according to claim 1, it is characterised in that: the device for exerting is Pneumatic pressing device.
3. centering supporting mechanism according to claim 2, it is characterised in that: the centering recess is arc depression.
4. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is tangent with arc depression
Increasing diameter tangent line.
5. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is tangent with arc depression
Increasing diameter circular arc.
6. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is involute.
7. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is Archimedes spiral.
8. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is hyperbola.
9. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is elliptic curve.
10. centering supporting mechanism according to claim 3, it is characterised in that: the increasing diametal curve is parabola.
11. according to any centering supporting mechanism of claim 4 to 10, it is characterised in that: the path section also has rolling
Take turns lower limit position pole position recess.
12. centering supporting mechanism according to claim 11, it is characterised in that: pole position recess is that V-arrangement is recessed.
13. centering supporting mechanism according to claim 11, it is characterised in that: pole position recess is that circular arc is recessed.
14. centering supporting mechanism according to claim 13, it is characterised in that: the lower limit position is corresponding to sidewinder relatively
The upper limit position of wheel, the upper limit position are determined by the intersection point of major diameter Duan Yuzeng diametal curve.
15. centering supporting mechanism according to claim 14, it is characterised in that: the connection of the arc depression and path section
The junction at place, the increasing diameter tangent line and major diameter section is formed with fillet.
16. using the coupler and draft gear of centering supporting mechanism as claimed in claim 15, it is characterised in that: described to mid-game
(3) it is fixed under the mounting base (6) being fixedly connected with the vehicle body by centering mounting disc (5) lifting；It is described that mid-game and centering are pacified
Hinge dress can be on the centering bracket (7) to mid-game rotation center rotation, the centering bracket in hitch extending direction between sabot
Two sides are symmetrically arranged Pneumatic pressing device (1)；The outer end of the Pneumatic pressing device connects pneumatic supply by hose, and inner end is living
Plug constitutes cam pair with to the arc depression of mid-game by idler wheel (2).
17. coupler and draft gear according to claim 16, it is characterised in that: the two of the centering bracket (7) pneumatically apply
Left and right baffle (11) are respectively fixedly connected on the inside of pressure device (1), two baffles are separately fixed on centering bracket, under the centering bracket
End is connected by adjusting stay bolt and flexibly supporting the lower pallet (13-1) of (13), the upper end of the resilient support and constrains in two gears
Spill sliding block (12) between plate is connected, and clamps draw bar (8) in the sliding block.
18. coupler and draft gear according to claim 17, it is characterised in that: the draw bar (8) is mainly by front end
Axis of traction (8-1), the elastomer (8-2) being fixed on axis of traction and suit and the balance staff for being axially and radially constrained in elastomer
(8-3) is constituted.
19. coupler and draft gear according to claim 18, it is characterised in that: the elastomer (8-2) is being put by folder gear
The axis both ends (8-3) and the elastic component served as a contrast in balance staff inner hole are composed.
20. coupler and draft gear according to claim 19, it is characterised in that: the outboard containment of the balance staff (8-3) exists
In the spill of sliding block (12).
21. coupler and draft gear according to claim 20, it is characterised in that: the rear end of the draw bar (8) extends into
In hole in the middle part of mounting base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821410790.0U CN209126738U (en) | 2018-08-29 | 2018-08-29 | A kind of centering supporting mechanism, the coupler and draft gear using the mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821410790.0U CN209126738U (en) | 2018-08-29 | 2018-08-29 | A kind of centering supporting mechanism, the coupler and draft gear using the mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN209126738U true CN209126738U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821410790.0U Active CN209126738U (en) | 2018-08-29 | 2018-08-29 | A kind of centering supporting mechanism, the coupler and draft gear using the mechanism |
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| CN (1) | CN209126738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304097A (en) * | 2019-07-25 | 2019-10-08 | 中车青岛四方车辆研究所有限公司 | Buffer unit, coupler buffering device and track train |
| CN111497889A (en) * | 2020-05-28 | 2020-08-07 | 常州中车铁马科技实业有限公司 | Automatic coupler centering device and assembling method thereof |
-
2018
- 2018-08-29 CN CN201821410790.0U patent/CN209126738U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304097A (en) * | 2019-07-25 | 2019-10-08 | 中车青岛四方车辆研究所有限公司 | Buffer unit, coupler buffering device and track train |
| US11498596B2 (en) | 2019-07-25 | 2022-11-15 | Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | Draft gear, coupler and draft gear and railway train |
| CN111497889A (en) * | 2020-05-28 | 2020-08-07 | 常州中车铁马科技实业有限公司 | Automatic coupler centering device and assembling method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200622 Address after: Xue Jia Zhen 213000 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Address before: 213011 No. 258 Wuyi Road, Jing Kai District, Jiangsu, Changzhou Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220518 Address after: 266111 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 213000 No.19 Shunyuan Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Patentee before: CRRC Qishuyan Locomotive and rolling stock Technology Research Institute Co., Ltd |