CN104029693B - Draft gear assemblies and vehicle - Google Patents
Draft gear assemblies and vehicle Download PDFInfo
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- CN104029693B CN104029693B CN201410299890.0A CN201410299890A CN104029693B CN 104029693 B CN104029693 B CN 104029693B CN 201410299890 A CN201410299890 A CN 201410299890A CN 104029693 B CN104029693 B CN 104029693B
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Abstract
The invention provides a kind of draft gear assemblies and vehicle.Draft gear assemblies includes the first hitch and the second hitch that mutual hook coordinates, and the first hitch includes: the first coupler body；First hook bolt, first hook bolt is pivotally disposed on the first coupler body, and first form the hook adapted space for accommodating the second hitch between hook bolt and the first coupler body, first hook bolt has the first hook bolt pulling face being oppositely arranged and the first hook bolt pushing and withstanding face, and the first hook bolt pulling face is towards hook adapted space；The relief portion of movement interference is produced when first hook bolt also has for avoiding the second hitch to stretch in hook adapted space, relief portion is between the first hook bolt pushing and withstanding face and the top of the first hook bolt, top is one end away from the first coupler body of the first hook bolt, and relief portion has dodges space.Draft gear assemblies in the present invention is it can be avoided that even hang interference, effectively two hitches of reduction and connect the gap after hanging, the shock loading reducing draft gear assemblies, avoid the draft gear assemblies impaired fracture of fatigue.
Description
Technical field
The present invention relates to equipment technology field of transport, more particularly, to a kind of draft gear assemblies and vehicle.
Background technology
Hitch be rail truck most basic be also one of most important parts, be installed on the two ends of vehicle, its effect is connection machine
Car vehicle, transmission train longitudinal force (pull strength and compression stress).Along with China railways and the development of locomotive & rolling stock industry, it is suitable
Answering the traffic requirements of various kinds of vehicles vehicle, China has developed various informative articulated type hitch, and articulated type hitch refers to hitch
Containing hook bolt, hook bolt can rotate the opening and closing realizing hitch around bearing pin.
As depicted in figs. 1 and 2, hitch includes coupler body 11 ' and hook bolt 12 ', forms hook and coordinate between coupler body 11 ' with hook bolt 12 '
Space 13 ', the both sides of coupler body 11 ' are respectively arranged with pullover 11b ' and running-on 11c '.After two hitches connect, by two cars
The pullover 11b ' of hook, the cooperation of running-on 11c ', make two hitches interlocking, and the most pullover 11b ' and running-on 11c ' is fitted to each other energy
Enough limit the relative vertical movement of two hitches, thus reduce hook bolt 12 ' and in use produce because vertical relative motion is relatively big
Raw abrasion.In this scenario, in order to ensure that two hitches can be smoothly on hook, so that set by hook adapted space 13 '
That puts is relatively big, thus ensures that the hook bolt 12 ' part of hitch can be hooked on together smoothly.But, hook adapted space 13 ' mistake
After conference causes hitch even to be hung, owing to two hitch connecting portions have bigger axial clearance, (it is left that gap even can reach 10mm
Right), along with the raising of train pull weight, vehicle load and the speed of service, no matter shunt work in train operation or vehicle marshalling
During industry, the longitudinal impulse between vehicle will be in nonlinear growth.The particularly even extension gap of the hitch between train is the biggest, train
Between impulsive force the biggest, easily cause vehicle and the damage of parts thereof or produce premature fatigue breakage problem.Additionally, hitch is even hung
Rear axial clearance the most also exacerbates the abrasion of hitch connecting portion, and easily causing hitch and parts thereof affects hitch make because abrasion are big
By performance and cause hitch parts to scrap problem, the runnability of train and the serviceability of hitch are produced harmful effect,
Affect the operation safety of train.
As can be seen here, by increase hook adapted space 13 ', prior art ensures that the technical scheme that two hitches connect extension smoothly is deposited
Even hang latter two hitch even hang that gap is big, shock loading is strong, fatiguability is impaired, fracture, shortcoming that safety in utilization is low.
Summary of the invention
It is desirable to provide a kind of draft gear assemblies and vehicle, to solve prior art is ensured by increase hook adapted space
Two hitches connect the technical scheme of extension smoothly and exist and even hang latter two hitch and even hang that gap is big, shock loading is strong, fatiguability is impaired
Problem.
For solving above-mentioned technical problem, according to an aspect of the invention, it is provided a kind of draft gear assemblies, join including mutual hook
The first hitch closed and the second hitch, the first hitch includes: the first coupler body；First hook bolt, the first hook bolt is pivotally disposed at
On first coupler body, and between the first hook bolt and the first coupler body, form the hook adapted space for accommodating the second hitch, the first hook bolt
Having the first hook bolt pulling face being oppositely arranged and the first hook bolt pushing and withstanding face, the first hook bolt pulling face is towards hook adapted space；The
Producing the relief portion of movement interference when one hook bolt also has for avoiding the second hitch to stretch in hook adapted space, relief portion is positioned at
Between first hook bolt pushing and withstanding face and the top of the first hook bolt, top is one end away from the first coupler body of the first hook bolt, and relief portion has
Dodge space.
Further, relief portion is the escape groove in the first hook bolt, and escape groove has dodges space, and the width of escape groove is more than
The thickness of the second hitch at escape groove.
Further, relief portion is the face of dodging, and dodges to be formed between face and the second hitch and dodges space.
Further, the first hook bolt pushing and withstanding face, the second hitch includes that the second coupler body, the second coupler body have and the first hook bolt pushing and withstanding face
The the second coupler body pushing and withstanding face matched, and the second coupler body pushing and withstanding face and the first hook bolt pushing and withstanding plane-plane contact.
Further, the first hook bolt pushing and withstanding face, the second hitch includes that the second coupler body, the second coupler body have and the first hook bolt pushing and withstanding face
The the second coupler body pushing and withstanding face matched, and the first hook bolt pushing and withstanding face and the second coupler body pushing and withstanding face be plane.
Further, the second hitch and the first structure of couplers are identical.
Further, the first coupler body has the first coupler body pushing and withstanding face arranged towards hook adapted space, the second hitch and the first car
After hook hook connects, it is hitch joint face at 1/2nd between the first coupler body pushing and withstanding face and the second coupler body pushing and withstanding face, the first hook
Tongue pushing and withstanding face and the second coupler body pushing and withstanding face all be arranged in parallel with hitch joint face.
Further, the distance in hitch joint face and the first coupler body pushing and withstanding face equal to hitch joint face and the first hook bolt pushing and withstanding face away from
From.
Further, the first coupler body includes the first coupler body pushing and withstanding face arranged towards hook adapted space, and the first hitch also includes using
In eliminating the thickening part of movement clearance between the first hitch and the second hitch, thickening part is arranged on the first hook bolt pulling face or the first hook
At body pushing and withstanding face.
According to another aspect of the present invention, it is provided that a kind of vehicle, including draft gear assemblies, draft gear assemblies is above-mentioned hitch group
Part.
Draft gear assemblies in the present invention includes the first hitch and the second hitch that mutual hook coordinates, and the first hitch includes the first coupler body
With the first hook bolt, the first hook bolt is pivotally disposed on the first coupler body, and between the first hook bolt and the first coupler body, formation is used for holding
Receiving the hook adapted space of the second hitch, the first hook bolt has the first hook bolt pulling face being oppositely arranged and the first hook bolt pushing and withstanding face,
First hook bolt pulling face is towards hook adapted space, and the first hook bolt also has for avoiding the second hitch to stretch in hook adapted space
Time produce movement interference relief portion, relief portion is between the first hook bolt pushing and withstanding face and the top of the first hook bolt, and top is first
One end away from the first coupler body of hook bolt, relief portion has dodges space.Owing to being provided with relief portion in the first hook bolt, thus
When carrying out two hitches even hanging, it is possible to ensure that the second hitch stretches in hook adapted space smoothly, and without specially by hook
Adapted space arranges excessive, thus while interference is hung by the company of avoiding, it is also possible to effectively reduce the gap after two hitches are even hung,
Thus reduce the shock loading of draft gear assemblies, avoid the tired impaired fracture of draft gear assemblies, extend draft gear assemblies service life,
Ensure that the safety in utilization of draft gear assemblies, and then improve the driving safety of train.Meanwhile, the draft gear assemblies in the present invention
Also there is the feature of simple in construction, low cost of manufacture.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates working state schematic representation when draft gear assemblies of the prior art bears longitudinal traction；
Fig. 2 diagrammatically illustrates working state schematic representation when draft gear assemblies of the prior art bears longitudinal compressing force；
Fig. 3 diagrammatically illustrates the structural representation of the first hitch in the present invention；
Fig. 4 diagrammatically illustrates the structural representation of the draft gear assemblies in the present invention；
Fig. 5 diagrammatically illustrates the view during draft gear assemblies assembling in the present invention；And
Fig. 6 diagrammatically illustrates the schematic diagram interfering position of the second hitch in the present invention.
Reference in figure: 10, the first hitch；11, the first coupler body；11a, the first coupler body pushing and withstanding face；11b, pullover；11c、
Running-on；12, the first hook bolt；12a, the first hook bolt pulling face；12b, the first hook bolt pushing and withstanding face；12c, relief portion；12d, top
End；12e, dodge space；13, hook adapted space；20, the second hitch；21, the second coupler body；21a, the second coupler body push away
End face；22, the second hook bolt；22a, interference position；30, hitch joint face；11 ', coupler body；11b ', pullover；11c ', set
Mouthful；12 ', hook bolt；13 ', hook adapted space.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways implement.
The invention provides a kind of draft gear assemblies.As shown in Figures 3 to 6, draft gear assemblies includes the first car that mutual hook coordinates
Hook 10 and the second hitch 20, the first hitch 10 includes the first coupler body 11 and the first hook bolt 12, and the first hook bolt 12 sets pivotly
Put on the first coupler body 11, and between the first hook bolt 12 with the first coupler body 11, formation coordinates for the hook accommodating the second hitch 20
Space 13, the first hook bolt 12 has the first hook bolt pulling face 12a and the first hook bolt pushing and withstanding face 12b, the first hook bolt being oppositely arranged
Pulling face 12a is towards hook adapted space 13；First hook bolt 12 also has for avoiding the second hitch 20 to stretch into hook cooperation sky
Between in 13 time produce relief portion 12c of movement interference, relief portion 12c is positioned at the first hook bolt pushing and withstanding face 12b and the first hook bolt 12
Between the 12d of top, top 12d is one end away from the first coupler body 11 of the first hook bolt 12, and relief portion 12c has dodges space
12e.Owing to being provided with relief portion 12c in the first hook bolt 12, thus when carrying out two hitches even hanging, it is possible to ensure second
Hitch 20 stretches in hook adapted space 13 smoothly, and without specially hook adapted space 13 being arranged excessive, thus avoiding
Even hang while interfering, it is also possible to effectively reduce the gap after two hitches are even hung, thus reduce draft gear assemblies shock loading,
Avoid the tired impaired fracture of draft gear assemblies, extend the service life of draft gear assemblies, ensure that the safety in utilization of draft gear assemblies,
And then improve the driving safety of train.Meanwhile, the draft gear assemblies in the present invention also has simple in construction, low cost of manufacture
Feature.
Preferably, the first hook bolt pulling face 12a is curved surface (refer to Fig. 3 to Fig. 5).
In preferred implementation as shown in Figure 5, relief portion 12c is the escape groove in the first hook bolt 12, and escape groove has to be dodged
Space 12e, and the width of escape groove is more than the thickness of the second hitch 20 at escape groove.Owing to setting in the first hook bolt 12
It is equipped with escape groove, namely adds the installation adapted space between the first hitch 10 and the second hitch 20, so that two cars
Hook can connect extension smoothly.Owing to escape groove is between the first hook bolt pushing and withstanding face 12b and the top 12d of the first hook bolt 12, thus
Longitudinal direction (train direction of advance is also simultaneously the bearing of trend after two hitches connect) and laterally in the easy stress of draft gear assemblies
Gap hangs in (direction being transversely to the machine direction and the plane being positioned at two the hitches formation) company of there is no, but at top 12d
Stress point and the stress surface of the first hook bolt pushing and withstanding face 12b between formed the region that do not stresses in escape groove is set, from without shadow
Reliability is hung by the company ringing draft gear assemblies.This scheme that escape groove is set in the first hook bolt 12, it is possible to ensure the first hook bolt 12
The length of the contact surface of the first hook bolt pushing and withstanding face 12b of the first hook bolt 12 and the second hitch 20 when pushing and withstanding position, thus protecting
On the premise of card does not reduce the lifting surface area of the first hook bolt pushing and withstanding face 12b, it is prevented effectively from draft gear assemblies and produces because stress surface is too small
The problem that stress is concentrated.As shown in Figure 6, the second hitch 20 includes the second hook bolt 22, has above-mentioned interference at the second hook bolt 22
Position 22a.
In preferred implementation as shown in Figure 4, relief portion 12c is the face of dodging, and dodges to be formed between face and the second hitch 20 and keeps away
Allow space 12e.Owing to being provided with, in the first hook bolt 12, the face of dodging, namely add the first hitch 10 and the second hitch 20
Between installation adapted space so that two hitches can connect extension smoothly.Owing to the face of dodging is positioned at the first hook bolt pushing and withstanding face 12b
And between the top 12d of the first hook bolt 12, thus (train direction of advance is also simultaneously in the longitudinal direction of the easy stress of draft gear assemblies
Bearing of trend after two hitches connections) and lateral (direction being transversely to the machine direction and the plane being positioned at two hitches formation) base
Do not connect extension gap in basis, but formed between the stress point and the stress surface of the first hook bolt pushing and withstanding face 12b of top 12d and be not subject to
Face of dodging is set in power region, thus reliability is hung by the company not interfering with draft gear assemblies.
The first hook bolt pushing and withstanding face 12b in the present invention, the second hitch 20 includes that the second coupler body 21, the second coupler body 21 have and the
The second coupler body pushing and withstanding face 21a that one hook bolt pushing and withstanding face 12b matches, and the second coupler body pushing and withstanding face 21a and the first hook bolt pushing and withstanding face 12b
Face contacts.Owing to the second coupler body pushing and withstanding face 21a and the first 12b face, hook bolt pushing and withstanding face contact, thus bear train when draft gear assemblies and indulge
When the pull strength of power, the first hook bolt 12 of the first hitch 10 abuts with 21 faces of the second coupler body of the second hitch 20, thus
Add the lifting surface area of the two, effectively prevent the stress at the two abutting and concentrate, and then ensure that the work of draft gear assemblies can
By property.
As shown in Figures 3 to 5, the first hook bolt pushing and withstanding face 12b, the second hitch 20 includes the second coupler body 21, the second coupler body 21
There is the second coupler body pushing and withstanding face 21a matched with the first hook bolt pushing and withstanding face 12b, and the first hook bolt pushing and withstanding face 12b and the second coupler body
Pushing and withstanding face 21a is plane.Owing to the first hook bolt pushing and withstanding face 12b and the second coupler body pushing and withstanding face 21a is plane, hereby it is ensured that
Contact area both when first hitch 10 and the second hitch 20 bear longitudinal traction, and avoid stress raisers, from
And ensure that the first hitch 10 and power transfer reliability of the second hitch 20.
Preferably, the second hitch 20 is identical with the first hitch 10 structure.Due to the second hitch 20 and the first hitch 10 structure phase
With, thus the second hitch 20 is consistent with the performance of the first hitch 10, so that the two has, matching is good, connection reliability is high,
The feature of good operating stability.
The first coupler body 11 in the present invention has the first coupler body pushing and withstanding face 11a arranged towards hook adapted space 13, the second hitch
After 20 are connected with the first hitch 10 hook, at 1/2nd between the first coupler body pushing and withstanding face 11a and the second coupler body pushing and withstanding face 21a
All it be arranged in parallel with hitch joint face 30 for hitch joint face 30, the first hook bolt pushing and withstanding face 12b and the second coupler body pushing and withstanding face 21a.
Owing to the first hook bolt pushing and withstanding face 12b and the second coupler body pushing and withstanding face 21a all be arranged in parallel with hitch joint face 30, thus the first hook bolt
Pushing and withstanding face 12b and the second coupler body pushing and withstanding face 21a is all vertically arranged with longitudinal traction, the most just bears longitudinal force traction when draft gear assemblies
During power, it is possible to ensure that the first hook bolt pushing and withstanding face 12b and the second coupler body pushing and withstanding face 21a stress everywhere are identical, thus avoid the two local
Stress is concentrated, and then ensure that the functional reliability of draft gear assemblies.
In preferred embodiment as shown in Figure 4, hitch joint face 30 is connected equal to hitch with the distance of the first coupler body pushing and withstanding face 11a
Face 30 and the distance of the first hook bolt pushing and withstanding face 12b.Owing to the distance of hitch joint face 30 and the first coupler body pushing and withstanding face 11a is equal to car
Hook joint face 30 and the distance of the first hook bolt pushing and withstanding face 12b, thus when the second hitch 20 is fully inserted in hook adapted space 13
After, the second hook bolt 22 and the first coupler body 11 at longitudinally the second hitch 20 do not connect extension axial clearance, thus ensure draft gear assemblies
Shock loading will not be produced because even hanging gap when bearing longitudinal force, and then be prevented effectively from the tired impaired fracture of draft gear assemblies, prolong
Grow the service life of draft gear assemblies, ensure that the safety in utilization of draft gear assemblies.
Preferably, the first coupler body 11 includes the first coupler body pushing and withstanding face 11a arranged towards hook adapted space 13, the first hitch 10
Also include that thickening part is arranged on the first hook bolt for eliminating the thickening part of movement clearance between the first hitch 10 and the second hitch 20
At pulling face 12a or the first coupler body pushing and withstanding face 11a.Owing to setting at the first hook bolt pulling face 12a or the first coupler body pushing and withstanding face 11a
It is equipped with thickening part, it is thus possible to effectively make up the company between the first hitch 10 and the second hitch 20 and hang gap, make two hitches
Pulling face and pushing and withstanding face all fit tightly (even hanging gap is zero), thus ensure the job stability of draft gear assemblies.Need explanation
It is to arrange compared with thickening part arranges thickening part with on the first coupler body pushing and withstanding face 11a on the first hook bolt pulling face 12a, first
On hook bolt pulling face 12a, thickening part is set and can save the material of half.
The first hitch 10 in the present invention also includes the first pullover 11b and the first running-on 11c, the first pullover 11b and the first running-on
11c is separately positioned on the both sides of the first coupler body 11, and the first running-on 11c is concave structure, and the first pullover 11b is convex structure.
Similarly, the second hitch 20 also includes second pullover and the second running-on, and second is pullover and the second running-on is separately positioned on the second coupler body
The both sides of 21, the second running-on is the concave structure coordinated with the first pullover 11b, second pullover be to coordinate with the first running-on 11c
Convex structure (refer to Fig. 3 to Fig. 5).When draft gear assemblies is even hung, due to the pullover running-on all stretching into correspondence of two hitches,
It is thus able to limit two motions vertical, laterally opposed connecting wagon coupling trip to a certain extent.Certainly, draft gear assemblies is not provided with running-on
With pullover can also, simply draft gear assemblies does not have an interlock vertical, and after two hitches are even hung, vertical relative motion is bigger.
As second aspect of the present invention, it is provided that a kind of vehicle.Vehicle includes that draft gear assemblies, draft gear assemblies are above-mentioned hitches
Assembly.Due to the draft gear assemblies in the present invention have without even hang interfere, even hang that gap is little, shock loading is little, indefatigability is impaired,
Service life length feature, hereby it is ensured that reliability is hung by the company of vehicle, thus improve the driving safety of vehicle.
Draft gear assemblies in the present invention has the feature that gap is little of even hanging, thus when vehicle is in traction working condition and the conversion of compression condition
During will not cause longitudinal impulse because even hanging gap, longitudinal direction of car dynamic performance can be effectively improved.Along with leading of vehicle
Draw the raising of weight, vehicle load and the speed of service, no matter run or during vehicle marshalling shunting service at vehicle, it is possible to
Ensure that the longitudinal impulse between vehicle is basically identical.Owing to company's extension gap of draft gear assemblies is little, thus effectively prevent two hitches
Connecting portion can relatively rotate, thus avoid hitch junction easily to wear away, extend vehicle and the service life of draft gear assemblies, subtract
Little maintenance workload.
In the present invention, draft gear assemblies is applicable not only to general-purpose vehicle, clipper transport vehicle, is also applied for heavy-load transport vehicle.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a draft gear assemblies, it is characterised in that include the first hitch (10) and the second hitch (20), institute that mutual hook coordinates
State the first hitch (10) to include:
First coupler body (11)；
First hook bolt (12), described first hook bolt (12) is pivotally disposed on described first coupler body (11), and institute
State to be formed between the first hook bolt (12) and described first coupler body (11) and be used for accommodating the hook of described second hitch (20) and join
Closing space (13), described first hook bolt (12) has the first hook bolt pulling face (12a) being oppositely arranged and the first hook bolt pushes away
End face (12b), described first hook bolt pulling face (12a) is towards described hook adapted space (13)；
Described first hook bolt (12) also has for avoiding described second hitch (20) to stretch into described hook adapted space (13)
Producing the relief portion (12c) of movement interference time interior, described relief portion (12c) is positioned at described first hook bolt pushing and withstanding face (12b)
And between the top (12d) of described first hook bolt (12), described top (12d) is the remote of described first hook bolt (12)
From one end of described first coupler body (11), described relief portion (12c) has dodges space (12e)；
Described first coupler body (11) includes the described first coupler body pushing and withstanding face arranged towards described hook adapted space (13)
(11a), described first hitch (10) also includes for eliminating described first hitch (10) and described second hitch (20)
Between the thickening part of movement clearance, described thickening part is arranged on described first hook bolt pulling face (12a) or described first coupler body
Pushing and withstanding face (11a) place.
Draft gear assemblies the most according to claim 1, it is characterised in that described relief portion (12c) is described first hook bolt (12)
On escape groove, described escape groove have described in dodge space (12e), and the width of described escape groove more than through described in keep away
Allow the thickness of described second hitch (20) at groove.
Draft gear assemblies the most according to claim 1, it is characterised in that described relief portion (12c) is the face of dodging, described in dodge
Space (12e) is dodged described in being formed between face and described second hitch (20).
Draft gear assemblies the most according to claim 1, it is characterised in that described first hook bolt pushing and withstanding face (12b), described second car
Hook (20) includes that the second coupler body (21), described second coupler body (21) have and described first hook bolt pushing and withstanding face (12b) phase
The the second coupler body pushing and withstanding face (21a) coordinated, and described second coupler body pushing and withstanding face (21a) and described first hook bolt pushing and withstanding face (12b)
Face contacts.
Draft gear assemblies the most according to claim 1, it is characterised in that described first hook bolt pushing and withstanding face (12b), described second car
Hook (20) includes that the second coupler body (21), described second coupler body (21) have and described first hook bolt pushing and withstanding face (12b) phase
The the second coupler body pushing and withstanding face (21a) coordinated, and described first hook bolt pushing and withstanding face (12b) and described second coupler body pushing and withstanding face (21a)
It is plane.
Draft gear assemblies the most according to any one of claim 1 to 5, it is characterised in that described second hitch (20) is with described
First hitch (10) structure is identical.
Draft gear assemblies the most according to claim 6, it is characterised in that described first coupler body (11) has joins towards described hook
Close the described first coupler body pushing and withstanding face (11a) that space (13) is arranged, described second hitch (20) and described first hitch (10)
After hook connects, 1/2nd between described first coupler body pushing and withstanding face (11a) and described second coupler body pushing and withstanding face (21a)
Place for hitch joint face (30), described first hook bolt pushing and withstanding face (12b) and described second coupler body pushing and withstanding face (21a) all with
Described hitch joint face (30) be arranged in parallel.
Draft gear assemblies the most according to claim 7, it is characterised in that described hitch joint face (30) pushes away with described first coupler body
The distance of end face (11a) is equal to the distance of described hitch joint face (30) with described first hook bolt pushing and withstanding face (12b).
9. a vehicle, including draft gear assemblies, it is characterised in that described draft gear assemblies is according to any one of claim 1 to 8
Draft gear assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299890.0A CN104029693B (en) | 2014-06-27 | 2014-06-27 | Draft gear assemblies and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299890.0A CN104029693B (en) | 2014-06-27 | 2014-06-27 | Draft gear assemblies and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104029693A CN104029693A (en) | 2014-09-10 |
| CN104029693B true CN104029693B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299890.0A Active CN104029693B (en) | 2014-06-27 | 2014-06-27 | Draft gear assemblies and vehicle |
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| Country | Link |
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| CN (1) | CN104029693B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9701323B2 (en) | 2015-04-06 | 2017-07-11 | Bedloe Industries Llc | Railcar coupler |
| CN108891441B (en) * | 2018-06-29 | 2020-01-07 | 中车齐齐哈尔车辆有限公司 | Locomotive, car coupler and coupler knuckle |
| CN108839665B (en) * | 2018-06-29 | 2020-06-30 | 中车齐齐哈尔车辆有限公司 | Locomotive, car coupler and coupler body |
| CN108839664A (en) * | 2018-06-29 | 2018-11-20 | 中车齐齐哈尔车辆有限公司 | A kind of rolling stock, hitch and coupler body |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB486443A (en) * | 1935-12-05 | 1938-06-02 | Nat Malleable & Steel Castings | Improvements in or relating to car couplers |
| US2922532A (en) * | 1958-03-31 | 1960-01-26 | Nat Malleable & Steel Castings | Car coupler |
| US3670901A (en) * | 1970-12-28 | 1972-06-20 | Midland Ross Corp | Car coupler |
| US3856156A (en) * | 1973-08-06 | 1974-12-24 | Midland Ross Corp | Railway car coupler |
| US6488163B1 (en) * | 1999-10-01 | 2002-12-03 | Trn Business Trust | Knuckle coupler pin |
| CN102295012B (en) * | 2010-06-23 | 2015-12-23 | 齐齐哈尔轨道交通装备有限责任公司 | A kind of hook tongue and comprise the railway vehicle of this hook tongue |
| CN204077693U (en) * | 2014-06-27 | 2015-01-07 | 齐齐哈尔轨道交通装备有限责任公司 | Draft gear assemblies and vehicle |
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2014
- 2014-06-27 CN CN201410299890.0A patent/CN104029693B/en active Active
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|---|---|
| CN104029693A (en) | 2014-09-10 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |