CN109927744A - A kind of hitch - Google Patents

A kind of hitch Download PDF

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Publication number
CN109927744A
CN109927744A CN201711352052.5A CN201711352052A CN109927744A CN 109927744 A CN109927744 A CN 109927744A CN 201711352052 A CN201711352052 A CN 201711352052A CN 109927744 A CN109927744 A CN 109927744A
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CN
China
Prior art keywords
coupler body
flexural pivot
rubber bumper
cylinder
hitch
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711352052.5A
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Chinese (zh)
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CN109927744B (en
Inventor
余文超
许光华
李勇锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUZHOU CHUNHUA INDUSTRIAL Co Ltd
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ZHUZHOU CHUNHUA INDUSTRIAL Co Ltd
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Priority to CN201711352052.5A priority Critical patent/CN109927744B/en
Publication of CN109927744A publication Critical patent/CN109927744A/en
Application granted granted Critical
Publication of CN109927744B publication Critical patent/CN109927744B/en
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Abstract

The invention discloses a kind of hitches, including coupler body, Bidirectional buffering and hook tailstock, Bidirectional buffering includes U-shaped fork, flexural pivot rubber bumper and mounting base, mounting base is fixed on hook tailstock, it is provided with mounting hole, flexural pivot rubber bumper is arranged in mounting hole, and one end of U-shaped fork and coupler body are affixed, and the other end and flexural pivot rubber bumper are pivotally connected.Hitch of the invention significantly shortens the installation dimension of hitch by new type rubber buffer unit, and size shorten at least 50% or more, while the structure of couplers is compact, realizes that light-weight design, cost of manufacture reduce nearly 60%.

Description

A kind of hitch
Technical field
The present invention relates to a kind of rail vehicle components more particularly to it is a kind of can significantly shorten hitch size, simplify hitch Structure, the hitch substantially to reduce the cost.
Background technique
Rail vehicle includes coupler body and hook tailstock with gib head for the hitch that car body is even hung, wherein buffer is logical Often it is mounted on hook tailstock, and the position that coupler body and hook tailstock are pivotally connected by bolt is between hook tailstock and coupler body, to make At hitch, length dimension is very big on vehicle traffic direction, and the installation and replacement of buffer are all pretty troublesome.Meanwhile the hook of coupler body Head even hang to it is middle when, coupler body cannot achieve automatic adjusting position centering.
Summary of the invention
Hitch size can significantly be shortened it is an object of that present invention to provide a kind of, simplify structure of couplers, substantially reduce the cost Hitch, to solve the above problems.
To achieve the above object, the invention discloses a kind of hitch, including coupler body, Bidirectional buffering and hook tailstock, institutes Stating Bidirectional buffering includes U-shaped fork, flexural pivot rubber bumper and mounting base, and the mounting base is fixed on hook tailstock, On be provided with mounting hole, the flexural pivot rubber bumper is arranged in the mounting hole, one end of the U-shaped fork and the hook Body is affixed, and the other end and flexural pivot rubber bumper are pivotally connected.
It further, further include one for holding up the support base of the coupler body when the coupler body is swung, the support base One end and the hook tailstock are pivotally connected, and the other end extends near the front end of the coupler body.
Further, the bottom of the mounting hole is provided with limited step, and one end of the flexural pivot rubber bumper passes through Limited step limit, the other end are limited by the snap ring being mounted in the annular groove in mounting hole.
Further, the center of the flexural pivot rubber bumper offers pivoted hole, and the U-shaped fork passes through institute by one It states the shaft of pivoted hole and is pivotally connected with the flexural pivot rubber bumper, the flexural pivot rubber bumper is by spherical shell rubber layer and spherical shell Steel disc integral molding, the spherical shell rubber layer and spherical shell steel disc are spaced apart from each other arrangement, are provided in the middle part of the shaft and ball Cut with scissors the matched bulbous protrusion of rubber bumper.
Further, it is provided in the mounting base for installing positioning pin to prevent determining for flexural pivot rubber bumper rotation Position pin hole, the dowel hole are through in the mounting hole.
It further, further, further include a buffer unit, the buffer unit includes a resilient rubbber cushion, described The bottom of resilient rubbber cushion is mounted on the support base, and the other end extends to the downside of the coupler body.
Further, the buffer unit further includes fixed block and the slip blade that can slide up and down along the fixed block, The fixed block is mounted on support base and is located at the coupler body two sides, and the slip blade is set on the resilient rubbber cushion And two sides are fastened on respectively in the sliding slot of the fixed block.
Further, the first buffer plate is connected on the downside of the top of the slip blade, the coupler body, it is described The two sides of coupler body are provided with the second buffer plate for compressing the coupler body, and second buffer plate is fixed in the fixation On block.
Further, the coupler body two sides are provided with the cylinder that swings, and the cylinder that swings includes the first cylinder body And First piston bar, first cylinder body are mounted on hook tailstock, the end of the First piston bar is fixed on coupler body.
Further, further include uncoupling crank on the coupler body, the driving uncoupling is additionally provided on the coupler body The uncoupling cylinder of crank rotation, the uncoupling cylinder include the second cylinder body and second piston bar, second cylinder body and the hook Body pivot joint, the second piston bar and the uncoupling crank are pivotally connected.
Compared with the prior art, the advantages of the present invention are as follows:
1, hitch of the invention significantly shortens the installation dimension of hitch, size contracting by new type rubber buffer unit Short is at least 50% or more, while the structure of couplers is compact, realizes that light-weight design, cost of manufacture reduce nearly 60%;
2, by the way that in flexural pivot rubber bumper, the band spherical surface shaft of Bidirectional buffering can bear to carry out space any direction Impact vibration, greatly improve the buffering energy-absorbing ability of hitch.
3, by the way that the limit of snap ring and limited step is arranged in the mounting hole in mounting base, so as to realize vulnerable part The quick-replaceable of flexural pivot rubber bumper further increases the Quick overhaul efficiency of present rail vehicle.
4, gib head is adjusted by left and right adjusting cylinder to deflect, meanwhile, uncoupling crank is driven by uncoupling cylinder, it can be real The automatic butt and disengaging of gib head when existing different compartments are even hung.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the axonometric schematic diagram of hitch disclosed in the preferred embodiment of the present invention;
Fig. 2 is the mounting structure schematic diagram of mounting base disclosed in the preferred embodiment of the present invention and flexural pivot rubber bumper;
Fig. 3 is the schematic cross-sectional view of mounting base disclosed in the preferred embodiment of the present invention and flexural pivot rubber bumper;
Fig. 4 is the schematic front view of hitch disclosed in the preferred embodiment of the present invention.
Marginal data:
1, coupler body;2, Bidirectional buffering;3, hook tailstock;4, U-shaped fork;5, flexural pivot rubber bumper;6, mounting base;7, Mounting hole;8, support base;9, limited step;10, annular groove;11, snap ring;12, pivoted hole;13, shaft;14, spherical shell rubber Layer;15, spherical shell steel disc;16, dowel hole;17, buffer unit;18, up and down adjustment cylinder;19, the first cylinder body;20, first is living Stopper rod;21, swing cylinder;22, the first cylinder body;23, First piston bar;24, uncoupling crank;25, uncoupling cylinder;26, Two cylinder bodies;27, second piston bar;28, hook bolt;29, the first buffer plate;30, the second buffer plate.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.
As Figure 1-Figure 4, the embodiment of the invention discloses a kind of hitches, including coupler body 1, Bidirectional buffering 2 and hook Tailstock 3, wherein hook tailstock 3 is mounted on the car body of rail vehicle by bolt, and coupler body 1 is used to even hang with another car body, two-way Buffer unit 2 includes U-shaped fork 4, flexural pivot rubber bumper 5 and mounting base 6, and main function is even hung or run in car body When buffering energy-absorbing, mounting base 6 be fixed on hook tailstock 3 or with hook tailstock 3 be integrally formed, be provided with mounting hole 7, ball It cuts with scissors rubber bumper 5 to be arranged in mounting hole 7, one end of U-shaped fork 4 and coupler body 1 are affixed, the other end and flexural pivot rubber bumper 5 pivot joints.Hitch length ruler is realized under conditions of guaranteeing same buffering vibration absorption ability by this kind of Bidirectional buffering 2 Very little 50% or more diminution, while the quality and volume of hitch are reduced, while flexural pivot rubber bumper 5 makes Bidirectional buffering 2 can bear the impact force in all directions of space, realize the maximization of bumper and absorbing shock range.
It in the present embodiment, further include one for holding up the support base 8 of coupler body 1 when coupler body 1 is swung, the support base 8 One end and hook tailstock 3 are pivotally connected, and the other end extends near the front end of coupler body 1, and when hitch is during docking, can hold up can The coupler body 1 of rotation, convenient for the company of being mutually inserted in adjacent car body gib head and gib head hole extension.
In the present embodiment, the bottom of mounting hole 7 is provided with limited step 9, and one end of flexural pivot rubber bumper 5 passes through limit Position step 9 limits, and the other end is limited by the snap ring 11 in the annular groove 10 that is mounted in mounting hole 7, when needing more flexural pivot When rubber bumper 5, it is only necessary to exit shaft 13 (usually pin), taking out snap ring 11 is that can be taken off changing the shuttle cutting with scissors rubber bumper 5, since the unitary moduleization of flexural pivot rubber bumper 5 designs, interchangeability is good, so as to realize that vulnerable part flexural pivot rubber is slow The quick-replaceable for rushing device 5 further increases the Quick overhaul efficiency of present rail vehicle.
In the present embodiment, the center of flexural pivot rubber bumper 5 offers pivoted hole 12, and U-shaped fork 4 passes through pivot by one It connects the shaft 13 in hole 12 and is pivotally connected with flexural pivot rubber bumper 5, flexural pivot rubber bumper 5 is by spherical shell rubber layer 14 and spherical shell steel disc 15 integral moldings, spherical shell rubber layer 14 and spherical shell steel disc 15 are spaced apart from each other arrangement, not only ensure that buffer capacity by rubber, It ensure that the service life of flexural pivot rubber bumper 5 by steel disc simultaneously, this kind of flexural pivot rubber bumper 5 makes Bidirectional buffering 2 can bear to carry out the impact vibration of space all directions, to increase the ability of 5 vibration damping of flexural pivot rubber bumper.
In the present embodiment, it is provided in mounting base 6 for installing positioning pin to prevent flexural pivot rubber bumper 5 from rotating Dowel hole 16, dowel hole 16 are through in mounting hole 7.
In the present embodiment, a buffer unit 17 is also additionally provided between support base 8 and coupler body 1, buffer unit 17 wraps Include a resilient rubbber cushion 18, fixed block 20 and can be along the slip blade 19 that fixed block slides up and down, the bottom of resilient rubbber cushion 18 It is mounted on support base 8, the other end extends to the downside of coupler body 1, passes through the buffering energy-absorbing function of resilient rubbber cushion 18, coupler body 1 When moving downward during car body is even hung or moved, rigid shock will not occur with support base 8, fixed block 20 be mounted on On support base 8 and it is located at 1 two sides of coupler body, slip blade 19 is set on resilient rubbber cushion 18 and two sides are fastened on fixed block respectively In 20 sliding slot, when coupler body 1 is when deflecting, since the power of the pushing of coupler body 1 can act directly on slip blade 19, pass through Power can be evenly transferred on resilient rubbber cushion 18 by the switching of slip blade 19, thus make the uniform force of resilient rubbber cushion 18, To make, the effect of its buffering energy-absorbing is more preferable, the service life is longer.Meanwhile in the case where being located at the top of slip blade 19, coupler body 1 Side is connected with the first buffer plate 29, and the two sides of coupler body 1 are provided with the second buffer plate 30 for compressing coupler body 1, and second is slow It rushes backing plate 30 to be fixed on fixed block 20, to avoid the direct rigidity of the coupler body 1 of iron material matter, fixed block 20 and slip blade 19 The problems such as contacting bring abrasive vibration.
In the present embodiment, 1 two sides of coupler body are provided with the cylinder 21 that swings, and the cylinder 21 that swings includes the first cylinder body 22 and First piston bar 23, the first cylinder body 22 be mounted on hook tailstock 3, the end of First piston bar 23 is articulated on coupler body 1.Together When, further include uncoupling crank 24 on coupler body 1, the uncoupling cylinder 25 of a driving uncoupling crank 24 rotation be additionally provided on coupler body 1, Uncoupling cylinder 25 includes the second cylinder body 26 and second piston bar 27, and the second cylinder body 26 is pivotally connected with coupler body 1, second piston bar 27 and solution Hook crank 24 is pivotally connected.By up and down adjustment cylinder and left and right adjusting cylinder, meanwhile, cross uncoupling cylinder 25 drive uncoupling crank 24 into And hook bolt 28 is driven to complete the unlocking, it can be achieved that the automatic butt of gib head and de- when different compartment is even hung of the mutual gib head of the company of extension From.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of hitch, which is characterized in that including coupler body, Bidirectional buffering and hook tailstock, the Bidirectional buffering includes U Type fork, flexural pivot rubber bumper and mounting base, the mounting base are fixed on hook tailstock, are provided with mounting hole, described Flexural pivot rubber bumper is arranged in the mounting hole, and one end of the U-shaped fork and the coupler body are affixed, the other end and flexural pivot Rubber bumper pivot joint.
2. hitch according to claim 1, which is characterized in that further include one for described in the picking-up when the coupler body is swung The support base of coupler body, one end of the support base and the hook tailstock are pivotally connected, and the other end extends near the front end of the coupler body.
3. hitch according to claim 1, which is characterized in that the bottom of the mounting hole is provided with limited step, described One end of flexural pivot rubber bumper is limited by limited step, and the other end passes through the card that is mounted in the annular groove in mounting hole Ring limit.
4. hitch according to claim 1, which is characterized in that the center of the flexural pivot rubber bumper offers pivot joint Hole, the shaft that the U-shaped fork passes through the pivoted hole by one are pivotally connected with the flexural pivot rubber bumper, the flexural pivot rubber Glue buffer is spaced apart from each other row by spherical shell rubber layer and spherical shell steel disc integral molding, the spherical shell rubber layer and spherical shell steel disc It arranges, is provided with and the matched bulbous protrusion of flexural pivot rubber bumper in the middle part of the shaft.
5. hitch according to claim 4, which is characterized in that be provided in the mounting base for install positioning pin to prevent Only the dowel hole of flexural pivot rubber bumper rotation, the dowel hole are through in the mounting hole.
6. hitch according to claim 1, which is characterized in that further include a buffer unit, the buffer unit includes one Resilient rubbber cushion, the bottom of the resilient rubbber cushion are mounted on the support base, and the other end extends to the downside of the coupler body.
7. hitch according to claim 6, which is characterized in that the buffer unit further includes fixed block and can be along described solid Determine the slip blade that block slides up and down, the fixed block is mounted on support base and is located at the coupler body two sides, the sliding support Plate is set on the resilient rubbber cushion and two sides are fastened on respectively in the sliding slot of the fixed block.
8. hitch according to claim 7, which is characterized in that under the top of the slip blade, the coupler body Side is connected with the first buffer plate, and the two sides of the coupler body are provided with the second buffer plate for compressing the coupler body, described Second buffer plate is fixed on the fixed block.
9. -8 any hitch according to claim 1, which is characterized in that the coupler body two sides are provided with the gas that swings Cylinder, the cylinder that swings includes the first cylinder body and First piston bar, and first cylinder body is mounted on hook tailstock, and described the The end of one piston rod is fixed on coupler body.
10. -8 any hitch according to claim 1, which is characterized in that it further include uncoupling crank on the coupler body, it is described It is additionally provided with the uncoupling cylinder of driving uncoupling crank rotation on coupler body, the uncoupling cylinder includes the second cylinder body and the Two piston rods, second cylinder body and the coupler body are pivotally connected, and the second piston bar and the uncoupling crank are pivotally connected.
CN201711352052.5A 2017-12-15 2017-12-15 Car coupler Active CN109927744B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711352052.5A CN109927744B (en) 2017-12-15 2017-12-15 Car coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711352052.5A CN109927744B (en) 2017-12-15 2017-12-15 Car coupler

Publications (2)

Publication Number Publication Date
CN109927744A true CN109927744A (en) 2019-06-25
CN109927744B CN109927744B (en) 2021-07-13

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Family Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110979353A (en) * 2019-12-06 2020-04-10 株洲春华实业有限责任公司 Automatic connection coupler for aerial rail vehicle
CN110979354A (en) * 2019-12-06 2020-04-10 株洲春华实业有限责任公司 Automatic connection and unhooking method of aerial rail vehicle

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360248A (en) * 1971-12-03 1974-07-17 Mini Verkehrswesen Support for an automatic central buffer coupling arm of a rail vehicle
US5219082A (en) * 1990-09-21 1993-06-15 Westinghouse Air Brake Company Male connection member for an articulated coupling arrangement
CN201487024U (en) * 2009-07-29 2010-05-26 浙江省三门县世泰实业有限公司 Vibration reduction spherical joint
CN101890965A (en) * 2010-08-06 2010-11-24 南车眉山车辆有限公司 Spherical joint car coupler of railway wagon
CN102390397A (en) * 2011-10-25 2012-03-28 南车资阳机车有限公司 Installing and cushioning device for tight-lock coupler
CN102501876A (en) * 2011-11-09 2012-06-20 天津机辆轨道交通装备有限责任公司 Novel semi-automatic tight-lock coupler structure
CN204236487U (en) * 2014-11-12 2015-04-01 绵阳天和机械制造有限公司 A kind of rail vehicle couplers
CN205034128U (en) * 2015-09-23 2016-02-17 鞍钢集团铁路运输设备制造公司 Buffer is connected to ultrashort short -tail coupling
CN107031680A (en) * 2017-04-18 2017-08-11 青岛思锐科技有限公司 Coupler-uncoupling controlling organization

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360248A (en) * 1971-12-03 1974-07-17 Mini Verkehrswesen Support for an automatic central buffer coupling arm of a rail vehicle
US5219082A (en) * 1990-09-21 1993-06-15 Westinghouse Air Brake Company Male connection member for an articulated coupling arrangement
CN201487024U (en) * 2009-07-29 2010-05-26 浙江省三门县世泰实业有限公司 Vibration reduction spherical joint
CN101890965A (en) * 2010-08-06 2010-11-24 南车眉山车辆有限公司 Spherical joint car coupler of railway wagon
CN102390397A (en) * 2011-10-25 2012-03-28 南车资阳机车有限公司 Installing and cushioning device for tight-lock coupler
CN102501876A (en) * 2011-11-09 2012-06-20 天津机辆轨道交通装备有限责任公司 Novel semi-automatic tight-lock coupler structure
CN204236487U (en) * 2014-11-12 2015-04-01 绵阳天和机械制造有限公司 A kind of rail vehicle couplers
CN205034128U (en) * 2015-09-23 2016-02-17 鞍钢集团铁路运输设备制造公司 Buffer is connected to ultrashort short -tail coupling
CN107031680A (en) * 2017-04-18 2017-08-11 青岛思锐科技有限公司 Coupler-uncoupling controlling organization

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110979353A (en) * 2019-12-06 2020-04-10 株洲春华实业有限责任公司 Automatic connection coupler for aerial rail vehicle
CN110979354A (en) * 2019-12-06 2020-04-10 株洲春华实业有限责任公司 Automatic connection and unhooking method of aerial rail vehicle

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