CN206031386U - Coupling adapter and rail vehicle rescue equipment - Google Patents
Coupling adapter and rail vehicle rescue equipment Download PDFInfo
- Publication number
- CN206031386U CN206031386U CN201621080846.1U CN201621080846U CN206031386U CN 206031386 U CN206031386 U CN 206031386U CN 201621080846 U CN201621080846 U CN 201621080846U CN 206031386 U CN206031386 U CN 206031386U
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- China
- Prior art keywords
- hitch
- jacking
- hole
- connection
- hook bolt
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a coupling adapter and rail vehicle rescue equipment, the coupling adapter, including the basis frame, be equipped with connect the via hole and jacking groove on the frame of basis, connect the via hole is used for the coupler knuckle joint with the coupling, the jacking groove includes the jacking face that is used for with the re railing device butt, along the horizontal direction, connect the via hole with jacking groove interval sets up, along vertical direction, the jacking facial height in connect the via hole's diapire. During the use, the tie point that the re railing device used re railing device and jacking face upwards lifts the jacking groove as the fulcrum, and then drive rail vehicle upwards lifts. Because along the horizontal direction, connect the via hole with jacking groove interval sets up, along vertical direction, the jacking facial height in connect the via hole's diapire, the hookup location of re railing device and jacking face is higher than the coupler knuckle's of coupling bottom, therefore the hookup location of re railing device and jacking face increases for orbital distance, has increased the installation space of re railing device effectively.
Description
Technical field
This utility model is related to rail vehicle rescue aid technical field, more particularly, to a kind of hitch adapter, and
A kind of rail vehicle rescue aid using the hitch adapter.
Background technology
Rail vehicle refers to the vehicle for travelling on the railroad track, is generally made up of more piece compartment, often saves the two ends in compartment
Hitch is equipped with, more piece compartment is coupled together by hitch, while hitch also has traction and the effect for buffering.
Rail vehicle due to a variety of causes such as hypervelocity, collision, line qualities, often occurs de- during operation
Rail phenomenon.When there is derailment occurring, need to rescue rail vehicle using re-railing block.The course of work of re-railing block is general
It is divided into three steps：First vehicle is lifted, then by vehicle translational, finally by vehicle rerail.
When rescue using re-railing block, need to be connected re-railing block with hitch, with the connection of re-railing block and hitch
Point is fulcrum, and vehicle is lifted.But the space between the hitch and track of existing rail vehicle is less, the installation of re-railing block
Space wretched insufficiency, has a strong impact on rescue effect.
Utility model content
The purpose of this utility model is to provide a kind of hitch adapter and rail vehicle rescue aid, to solve existing skill
The technical problem of the re-railing block installing space deficiency in art.
This utility model provides a kind of hitch adapter, and including foundation frame, the foundation frame is provided with connection through hole and top
Groove is risen, the connection through hole includes the jacking face for abutting with re-railing block for the hook bolt clamping with hitch, the jacking groove；
In the horizontal direction, the connection through hole and the jacking groove interval setting；
Vertically, diapire of the jacking face higher than the connection through hole.
Further, the jacking groove is in inverted U-shaped, and in the horizontal direction, the jacking groove is near the side of the foundation frame
Edge is arranged.
Further, roof of the jacking face less than the connection through hole.
Further, diapire 250mm of the jacking face higher than the connection through hole, the connection through hole and the jacking
Groove interval 100mm is arranged.
Further, the hitch adapter also includes longitudinal crimp assemblies；
Longitudinal crimp assemblies include the upper crimping plate on the foundation frame, the upper crimping plate and the company
The diapire interval setting in hole is connected, the upper end for the hook bolt with hitch crimps.
Further, longitudinal crimp assemblies also include the fishplate bar that pushes on the foundation frame, described to push
Fishplate bar relative spacing is arranged on the lower section of the upper crimping plate, and the lower end for the hook bolt with hitch crimps.
Further, the upper crimping plate and the fishplate bar that pushes are slidably socketed with the foundation frame.
Further, the hitch adapter also includes horizontal crimp, and the horizontal crimp is solid with the foundation frame
Fixed to connect, the horizontal crimp includes the electrolysis for crimp with the side of the hook bolt of the hitch, the electrolysis and
The sidewall spacers of the connection through hole are arranged.
Further, the electrolysis stretch into the connection through hole, for crimping with the side of the hook bolt of the hitch.
The purpose of this utility model also resides in a kind of rail vehicle rescue aid of offer, including re-railing block and this utility model
The hitch adapter of offer, the re-railing block and the jacking groove clamping.
The hitch adapter that this utility model is provided, including foundation frame, the foundation frame is provided with connection through hole and jacking
Groove, the connection through hole include the jacking face for abutting with re-railing block for the hook bolt clamping with hitch, the jacking groove；Edge
Horizontal direction, the connection through hole and jacking groove interval setting；Vertically, the jacking face is higher than the connection through hole
Diapire.During use, re-railing block is lifted up jacking groove with the junction point in re-railing block and jacking face as fulcrum, and now foundation frame exists
Can also be lifted up, and then connect through hole being also lifted up under the drive of foundation frame under the drive of jacking groove, due to hitch
Hook bolt be connected in connection through hole, the hook bolt of hitch can be together lifted up with connection through hole, and then drives rail vehicle
It is lifted up.It is due in the horizontal direction, described to connect through hole and jacking groove interval setting；Vertically, the jacking face is high
In the diapire of the connection through hole, the bottom of the link position in re-railing block and jacking face higher than the hook bolt of hitch, therefore re-railing block
Increase relative to the distance of track with the link position of jacking groove, effectively increase the installing space of re-railing block, it will be apparent that carry
Rise rescue effect.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation one of the hitch adapter that this utility model embodiment is provided；
Fig. 2 is the structural representation two of the hitch adapter that this utility model embodiment is provided；
Fig. 3 is the use state figure of the hitch adapter that this utility model embodiment is provided.
Reference：
1- foundation frames；2- longitudinal directions crimp assemblies；The horizontal crimps of 3-；
The hook bolt of 4- hitches；11- connects through hole；12- jacking grooves；
Plate is crimped on 21-；22- pushes fishplate bar；31- electrolysis；
121- jacking faces.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to practical
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outward " or position relationship are, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", be only used for describe purpose, and it is not intended that indicate or imply relative importance.Wherein, term " first
Put " it is two different positions with " second position ".
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
Fig. 1 is the structural representation one of the hitch adapter that this utility model embodiment is provided；Fig. 2 is this utility model reality
The structural representation two of the hitch adapter of example offer is provided；Fig. 3 is making for the hitch adapter that this utility model embodiment is provided
Use state diagram.
This utility model provides a kind of hitch adapter, and as shown in Figure 1 to Figure 3, including foundation frame 1, foundation frame 1 is provided with
Connection through hole 11 and jacking groove 12, connection through hole 11 for 4 clamping of hook bolt with hitch, jacking groove 12 include for re-railing block
The jacking face of abutting 121；In the horizontal direction, connect 12 interval setting of through hole 11 and jacking groove；Vertically, jacking face 121
Higher than the diapire of connection through hole 11.
For 4 clamping of hook bolt with hitch, connection through hole 11 can be various suitable shapes to connection through hole 11, Ke Yiwei
Rectangle, or it is trapezoidal, as long as can be with 4 clamping of hook bolt of hitch.
Wherein, connect 4 clamping of hook bolt of through hole 11 and hitch, can be by connecting through hole 11 by the hook bolt 4 of hitch and base
Plinth frame 1 is fixedly connected, when re-railing block drives foundation frame 1 to move, you can drive the hook bolt 4 of hitch as foundation frame 1 is moved.
Additionally, can arrange pad between connection through hole 11 and the hook bolt 4 of hitch, so that the two connection is more steady
Gu, prevent the hook bolt 4 of hitch from coming off from connection through hole 11, strengthen the reliability for using.
Jacking groove 12 includes the jacking face 121 for abutting with re-railing block, and in rescue, re-railing block is supported with jacking face 121
Connect, re-railing block with the junction point in re-railing block and jacking face 121 as fulcrum, jacking foundation frame 1 upwards, and then drive the hook bolt of hitch
4 move upwards.During jacking, jacking face 121 is moved upward along camber line, and re-railing block is in jacking jacking face 121 upwards
While, can be along 121 slide downward of jacking face, jacking groove 12 can block re-railing block, make re-railing block in jacking groove 12 along top
121 slide downward of face is risen, prevents re-railing block from coming off, it is ensured that the safety for using.
In the horizontal direction, connect 12 interval setting of through hole 11 and jacking groove；Vertically, jacking face 121 is higher than connection
The diapire of through hole 11, due to connecting the bottom clamping of the diapire of through hole 11 and the hook bolt 4 of hitch, therefore jacking face 121 is located at car
The top of the bottom of the hook bolt 4 of hook, and connect 12 interval setting of through hole 11 and jacking groove, make jacking face 121 not be located at hitch
Hook bolt 4 surface, but the oblique upper of the hook bolt 4 positioned at hitch, and then make the installation site of re-railing block by the hook of hitch
The bottom of tongue 4 is improved to the position in jacking face 121, and jacking face 121 is located at the oblique upper of the hook bolt 4 of hitch, can be effective
Ground avoids the hook bolt 4 of hitch, prevents the hook bolt 4 of hitch from taking installing space, effectively increases the installing space of re-railing block, just
In re-railing block is installed, rescue effect is lifted.
The hitch adapter that this utility model is provided, including foundation frame 1, foundation frame 1 is provided with connection through hole 11 and jacking
Groove 12, for 4 clamping of hook bolt with hitch, jacking groove 12 includes the jacking face 121 for abutting with re-railing block to connection through hole 11；
In the horizontal direction, connect 12 interval setting of through hole 11 and jacking groove；Vertically, jacking face 121 is higher than connection through hole 11
Diapire.During use, re-railing block is lifted up jacking groove 12 with the junction point in re-railing block and jacking face 121 as fulcrum, now basis
Frame 1 also can be moved under the drive of jacking groove 12 upwards, and then connection through hole 11 also can be transported under the drive of foundation frame 1 upwards
Dynamic, as the hook bolt 4 of hitch is connected in connection through hole 11, the hook bolt 4 of hitch together can be moved upwards with connection through hole 11,
And then drive rail vehicle to move upwards, due in the horizontal direction, connecting 12 interval setting of through hole 11 and jacking groove；Along vertically side
To jacking face 121 is higher than the link position in the diapire of connection through hole 11, re-railing block and jacking face 121 higher than the hook bolt 4 of hitch
Bottom, therefore the link position of re-railing block and jacking groove 12 effectively increases re-railing block relative to the distance increase of track
Installing space, it will be apparent that lift rescue effect.
Further, as shown in figure 1, jacking groove 12 is in inverted U-shaped, and in the horizontal direction, jacking groove 12 is near foundation frame 1
Edge is arranged.
Jacking groove 12 in it is inverted U-shaped can be effectively prevented re-railing block occur during 121 slide downward of jacking face it is de-
Fall, it is ensured that the safety of rescue.
Jacking groove 12 is arranged near the edge of foundation frame 1, re-railing block can be easy to install, re-railing block is quickly stretched into
In jacking groove 12.Additionally, when using jacking groove 12 can towards the front of the hook bolt 4 of hitch, can also so prevent foundation frame 1 and
The hook bolt 4 of hitch takes the installing space of re-railing block, further expands the installing space of re-railing block, lifts rescue effect.
Further, roof of the jacking face 121 less than connection through hole 11.
Stress point of the junction point of jacking face 121 and re-railing block for hitch adapter, jacking face 121 is less than connection through hole 11
Roof, the roof of the stress point of hitch adapter less than connection through hole 11 can be made, due to connecting the roof and hitch of through hole
Hook bolt 4 top clamping, therefore the stress point of hitch adapter less than hitch hook bolt 4 top, stress point position can be made
In more suitable position, prevent stress point stress excessive, cause jacking face 121 to rupture, ensure the safety for using.
Preferably, diapire 250mm of the roof in jacking face 121 higher than connection through hole 11, connection through hole 11 and jacking groove 12
Interval 100mm is arranged.Now, jacking face 121 is located at more suitable position, and stress is relatively reasonable, can effectively prevent jacking
Face 121 is ruptured, and jacking face 121 is higher than the diapire 250mm of connection through hole 11, connects the diapire of through hole 11 and the hook bolt of hitch
4 bottom clamping, thus the hook bolt 4 of hitch apart from track distance be approximately connection through hole 11 diapire apart from track away from
Hook bolt 4 from, the hitch of existing rail vehicle is 300mm apart from the distance of track, thus jacking face 121 apart from track away from
From for 550mm, this distance can be installed and used for most of re-railing blocks.
Further, hitch adapter also includes longitudinal crimp assemblies 2；Longitudinal crimp assemblies 2 are included installed in foundation frame 1
On upper crimping plate 21, the upper crimping plate 21 and diapire interval setting for being connected through hole 11, for the upper side pressure with the hook bolt 4 of hitch
Connect.
Upper crimping plate 21 is crimped for the upper end of the hook bolt 4 with hitch, and upper crimping plate 21 can be various suitable shapes
And structure, can be rectangular slab, or trapezoidal hollowed-out board, as long as can crimp with the upper end of the hook bolt 4 of hitch.
Upper crimping plate 21 can be fixedly connected with foundation frame 1, it is also possible to be slidably socketed with foundation frame.
In one embodiment of the present utility model, upper crimping plate 21 blocks and is connected with foundation frame 1, using upper crimping plate 21
When, first the hook bolt 4 of hitch is connected in connection through hole 11, choose suitable position upper crimping plate 21 is blocked with foundation frame 1 and
Connection, you can.Furthermore, it is possible to the upper crimping plate 21 of different-thickness is changed, to adjust upper crimping plate 21 and the bottom for being connected through hole 11
The distance between wall, can be applied to the hook bolt 4 of various sizes of hitch, increase operation rate.
The hook bolt 4 of hitch is connected in connection through hole 11, the upper end of the hook bolt 4 of upper crimping plate 21 crimping hitch, makes hitch
The lower end of hook bolt 4 can be with the diapire more firmly clamping for being connected through hole 11, while the upper end of the hook bolt 4 of hitch can be with
Upper crimping plate 21 is more firmly crimped, and then the hook bolt 4 of hitch is more firmly secured on foundation frame 1, so as to
During rescue, ensure that the hook bolt 4 of hitch is firmly moved upwards with foundation frame 1, improve rescue effect.
Further, longitudinal crimp assemblies 2 also include pushing fishplate bar 22 on foundation frame 1, push 22 phase of fishplate bar
To being disposed on the lower section of upper crimping plate 21, the lower end for the hook bolt 4 with hitch crimps.
Push fishplate bar 22 to be fixedly connected with foundation frame 1, it is also possible to be slidably socketed with foundation frame.Specific embodiment with it is upper
Crimping plate 21 is similar to the embodiment of the connected mode of foundation frame 1, and here is omitted.
Push fishplate bar 22 and crimp for the lower end of the hook bolt 4 with hitch, it can be various suitable shapes to push fishplate bar 22
And structure, can be rectangular slab, or trapezoidal hollowed-out board, as long as can crimp with the lower end of the hook bolt 4 of hitch.
The hook bolt 4 of hitch is connected in connection through hole 11, the upper end of the hook bolt 4 of upper crimping plate 21 crimping hitch, lower crimping
The lower end of the hook bolt 4 of the crimping hitch of plate 22, by upper crimping plate 21 and pushes fishplate bar 22 and makes 4 in the vertical direction of hook bolt of hitch
Fastening, can more be firmly secured on foundation frame 1, be favorably improved the safety for using.
Further, upper crimping plate 21 and push fishplate bar 22 and be slidably socketed with foundation frame 1.Upper crimping plate 21 and lower crimping
Plate 22 can slide along the longitudinal direction of foundation frame 1, to adjust upper crimping plate 21 and push the distance between fishplate bar 22, so as to
The hook bolt 4 that various sizes of hitch can be applied to is used, and improves the utilization rate of hitch adapter.
Further, hitch adapter also includes horizontal crimp 3, and horizontal crimp 3 is fixedly connected with foundation frame 1, horizontal
Include the electrolysis 31 for crimping with the side of the hook bolt 4 of hitch, electrolysis 31 and the side wall for being connected through hole 11 to crimp 3
Interval setting.
Electrolysis 31 are crimped for the side of the hook bolt 4 with hitch, and the hook bolt 4 of hitch is connected in connection through hole 11, pressure
The side of the hook bolt 4 of the crimping hitch of junction 31, enables the side of the hook bolt 4 of hitch more to consolidate with the side wall for being connected through hole 11
Ground clamping, and then enable the hook bolt 4 of hitch to be more firmly secured to prevent on foundation frame 1 hook bolt 4 of hitch from occurring laterally
Rock, so as to the hook bolt 4 that during rescue, ensure that hitch is firmly moved upwards with foundation frame 1, improve rescue effect
Really.
Further, electrolysis 31 stretch into connection through hole 11, and the side for the hook bolt 4 with hitch crimps.
Electrolysis 31 are stretched in connection through hole 11, and a part for electrolysis 31 just can be relative with the side wall of connection through hole 11
Arrange, when electrolysis 31 are crimped with the side of the hook bolt 4 of hitch, the side wall of electrolysis 31 and connection through hole 11 is jointly to hitch
Hook bolt 4 exert a force, the hook bolt 4 of hitch is fastened in the horizontal direction.
Due to connecting the side wall of through hole 11 with a part for electrolysis 31 for being oppositely arranged, torsion therebetween can be reduced
Square, prevents the hook bolt 4 of hitch from rotating relative to connection through hole 11 in the presence of the two, it is possible to increase the stability for using.
The purpose of this utility model also resides in a kind of rail vehicle rescue aid of offer, including re-railing block and this utility model
The hitch adapter of offer, re-railing block and 12 clamping of jacking groove.
The rail vehicle rescue aid that this utility model is provided, re-railing block and 12 clamping of jacking groove, re-railing block is with re-railing block
Junction point with jacking face 121 is fulcrum, is lifted up jacking groove 12, and now foundation frame 1 also can under the drive of jacking groove 12
It is lifted up, and then connects through hole 11 to be also lifted up under the drive of foundation frame 1, due to 4 company of being connected to of hook bolt of hitch
Connect in hole 11, the hook bolt 4 of hitch can be together lifted up with connection through hole 11, and then drives rail vehicle to be lifted up.
It is due in the horizontal direction, described to connect 12 interval setting of through hole 11 and jacking groove；Vertically, the jacking face 121 is higher than
Bottom of the link position in the diapire of the connection through hole 11, re-railing block and jacking face 121 higher than the hook bolt 4 of hitch, thus it is multiple
Rail device is increased relative to the distance of track with the link position of jacking groove 12, effectively increases the installing space of re-railing block, bright
Rescue effect is lifted aobviously.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of hitch adapter, it is characterised in that including foundation frame, the foundation frame are provided with connection through hole and jacking groove,
For the hook bolt clamping with hitch, the jacking groove includes the jacking face for abutting with re-railing block to the connection through hole；
In the horizontal direction, the connection through hole and the jacking groove interval setting；
Vertically, diapire of the jacking face higher than the connection through hole.
2. hitch adapter according to claim 1, it is characterised in that the jacking groove in inverted U-shaped, and along level side
To the jacking groove is arranged near the edge of the foundation frame.
3. hitch adapter according to claim 1, it is characterised in that top of the jacking face less than the connection through hole
Wall.
4. hitch adapter according to claim 1, it is characterised in that bottom of the jacking face higher than the connection through hole
Wall 250mm, the connection through hole and jacking groove interval 100mm are arranged.
5. hitch adapter according to claim 1, it is characterised in that the hitch adapter also includes longitudinal crimping group
Part；
Longitudinal crimp assemblies include the upper crimping plate on the foundation frame, and the upper crimping plate is logical with the connection
The diapire interval setting in hole, the upper end for the hook bolt with hitch crimps.
6. hitch adapter according to claim 5, it is characterised in that longitudinal crimp assemblies are also included installed in institute
State the fishplate bar that pushes on foundation frame, it is described to push the lower section that fishplate bar relative spacing is arranged on the upper crimping plate, for hitch
Hook bolt lower end crimping.
7. hitch adapter according to claim 6, it is characterised in that the upper crimping plate and it is described push fishplate bar with
The foundation frame is slidably socketed.
8. hitch adapter according to claim 1, it is characterised in that the hitch adapter also includes laterally crimping
Part, the horizontal crimp are fixedly connected with the foundation frame, and the horizontal crimp is included for the hook bolt with the hitch
Side crimping electrolysis, the electrolysis and it is described connection through hole sidewall spacers arrange.
9. hitch adapter according to claim 8, it is characterised in that the electrolysis stretch into the connection through hole, uses
Crimp in the side with the hook bolt of the hitch.
10. a kind of rail vehicle rescue aid, it is characterised in that including re-railing block and according to any one of claim 1-9 institute
The hitch adapter stated, the re-railing block and the jacking groove clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080846.1U CN206031386U (en) | 2016-09-26 | 2016-09-26 | Coupling adapter and rail vehicle rescue equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080846.1U CN206031386U (en) | 2016-09-26 | 2016-09-26 | Coupling adapter and rail vehicle rescue equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206031386U true CN206031386U (en) | 2017-03-22 |
Family
ID=58296512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621080846.1U Withdrawn - After Issue CN206031386U (en) | 2016-09-26 | 2016-09-26 | Coupling adapter and rail vehicle rescue equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206031386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218661A (en) * | 2016-09-26 | 2016-12-14 | 王江山 | Hitch adapter and rail vehicle rescue aid |
-
2016
- 2016-09-26 CN CN201621080846.1U patent/CN206031386U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218661A (en) * | 2016-09-26 | 2016-12-14 | 王江山 | Hitch adapter and rail vehicle rescue aid |
| CN106218661B (en) * | 2016-09-26 | 2018-11-09 | 王江山 | Hitch adapter and rail vehicle rescue aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170322 Effective date of abandoning: 20181109 |
|
| AV01 | Patent right actively abandoned |