CN109927750A - A kind of hitch - Google Patents
A kind of hitch Download PDFInfo
- Publication number
- CN109927750A CN109927750A CN201711360964.7A CN201711360964A CN109927750A CN 109927750 A CN109927750 A CN 109927750A CN 201711360964 A CN201711360964 A CN 201711360964A CN 109927750 A CN109927750 A CN 109927750A
- Authority
- CN
- China
- Prior art keywords
- coupler body
- cylinder
- buffer
- cylindrical rubber
- hitch
- Prior art date
- 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.)
- Pending
Links
- 230000003139 buffering effect Effects 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 241001236644 Lavinia Species 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Landscapes
- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of hitches, including coupler body, Bidirectional buffering and hook tailstock, Bidirectional buffering includes U-shaped fork, cylindrical rubber buffer and mounting base, mounting base is fixed on hook tailstock, it is provided with mounting hole, cylindrical rubber buffer is arranged in mounting hole, and one end of U-shaped fork and coupler body are affixed, and the other end and cylindrical rubber buffer 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
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, cylindrical rubber buffer and mounting base, and the mounting base is fixed on hook tailstock,
On be provided with mounting hole, the cylindrical rubber buffer is arranged in the mounting hole, one end of the U-shaped fork and the hook
Body is affixed, and the other end and cylindrical rubber buffer 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 cylindrical rubber buffer 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 cylindrical rubber buffer 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 cylindrical rubber buffer, the cylindrical rubber buffer is by tubular rubber layer and tubular
Steel disc integral molding, the tubular rubber layer and tubular steel disc are spaced apart from each other arrangement.
Further, it is provided in the mounting base for installing positioning pin to prevent determining for cylindrical rubber buffer rotation
Position pin hole, the dowel hole are through in the mounting hole.
It further, further include a buffer unit, the buffer unit includes a resilient rubbber cushion, the resilient rubbber cushion
Bottom be mounted on the support base, 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 plate is set to the resilient rubbber cushion
Upper 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 cylindrical rubber buffer, Bidirectional buffering can be born from 360 ° of impact force before and after car body
Buffering；
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 cylindrical rubber buffer 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 cylindrical rubber buffer；
Fig. 3 is the schematic cross-sectional view of mounting base disclosed in the preferred embodiment of the present invention and cylindrical rubber buffer；
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, cylindrical rubber buffer；6, mounting base；7,
Mounting hole；8, support base；9, limited step；10, annular groove；11, snap ring；12, pivoted hole；13, shaft；14, tubular rubber
Layer；15, tubular steel disc；16, dowel hole；17, buffer unit；18, resilient rubbber cushion；19, slip blade；20, fixed block；
21, swing cylinder；22, the first cylinder body；23, First piston bar；24, uncoupling crank；25, uncoupling cylinder；26, the second cylinder
Body；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, cylindrical rubber buffer 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, cylinder
Rubber bumper 5 is arranged in mounting hole 7, and one end of U-shaped fork 4 and coupler body 1 are affixed, the other end and cylindrical rubber buffer 5
Pivot joint.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 cylindrical rubber buffer 5 makes Bidirectional buffering
2 can bear the impact force in plane from 360 ° before and after car body, expand the range of bumper and absorbing shock.
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 cylindrical rubber buffer 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 replacing circle
When column rubber bumper 5, it is only necessary to exit shaft 13 (usually pin), taking out snap ring 11 can be taken off changing cylindrical rubber buffering
Device 5, since the unitary moduleization of cylindrical rubber buffer 5 designs, interchangeability is good, so as to realize vulnerable part cylindrical rubber
The quick-replaceable of buffer 5 further increases the Quick overhaul efficiency of present rail vehicle.
In the present embodiment, the center of cylindrical rubber buffer 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 cylindrical rubber buffer 5, cylindrical rubber buffer 5 is by tubular rubber layer 14 and tubular steel disc
15 integral moldings, tubular rubber layer 14 and tubular 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 cylindrical rubber buffer 5 by steel disc simultaneously, this kind of cylindrical rubber buffer 5 makes Bidirectional buffering
2 can bear to improve buffer capacity of the car body in mounting and operation from the bumper and absorbing shock of 360 ° of impact force before and after car body
Power.
In the present embodiment, it is provided in mounting base 6 for installing positioning pin to prevent cylindrical rubber buffer 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, uncoupling crank 24 is driven by uncoupling cylinder 25
And then 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, cylindrical rubber buffer and mounting base, the mounting base are fixed on hook tailstock, are provided with mounting hole, described
Cylindrical rubber buffer is arranged in the mounting hole, and one end of the U-shaped fork and the coupler body are affixed, the other end and cylinder
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 cylindrical rubber buffer 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 cylindrical rubber buffer offers pivot joint
Hole, the shaft that the U-shaped fork passes through the pivoted hole by one are pivotally connected with the cylindrical rubber buffer, the cylinder rubber
Glue buffer is spaced apart from each other row by tubular rubber layer and tubular steel disc integral molding, the tubular rubber layer and tubular steel disc
Column.
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 cylindrical rubber buffer 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360964.7A CN109927750A (en) | 2017-12-15 | 2017-12-15 | A kind of hitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360964.7A CN109927750A (en) | 2017-12-15 | 2017-12-15 | A kind of hitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109927750A true CN109927750A (en) | 2019-06-25 |
Family
ID=66982124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711360964.7A Pending CN109927750A (en) | 2017-12-15 | 2017-12-15 | A kind of hitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109927750A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE458552B (en) * | 1987-08-14 | 1989-04-10 | Volvo Ab | Bush with different degrees of stiffness |
| 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 |
| 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 |
| CN208576564U (en) * | 2017-12-15 | 2019-03-05 | 株洲春华实业有限责任公司 | A kind of hitch |
-
2017
- 2017-12-15 CN CN201711360964.7A patent/CN109927750A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE458552B (en) * | 1987-08-14 | 1989-04-10 | Volvo Ab | Bush with different degrees of stiffness |
| 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 |
| 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 |
| CN208576564U (en) * | 2017-12-15 | 2019-03-05 | 株洲春华实业有限责任公司 | A kind of hitch |
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