CN103419807B - Coupler knuckle push iron, railway vehicle coupler and railway vehicle - Google Patents

Coupler knuckle push iron, railway vehicle coupler and railway vehicle Download PDF

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Publication number
CN103419807B
CN103419807B CN201210156036.XA CN201210156036A CN103419807B CN 103419807 B CN103419807 B CN 103419807B CN 201210156036 A CN201210156036 A CN 201210156036A CN 103419807 B CN103419807 B CN 103419807B
Authority
CN
China
Prior art keywords
coupler
hook bolt
ferrum
kicking
bearing pin
Prior art date
Application number
CN201210156036.XA
Other languages
Chinese (zh)
Other versions
CN103419807A (en
Inventor
孟庆民
姜岩
赵天军
崔英俊
王长春
于跃斌
魏鸿亮
胡海滨
Original Assignee
中国铁路总公司
中车齐齐哈尔车辆有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国铁路总公司, 中车齐齐哈尔车辆有限公司 filed Critical 中国铁路总公司
Priority to CN201210156036.XA priority Critical patent/CN103419807B/en
Priority claimed from AU2013262225A external-priority patent/AU2013262225A1/en
Publication of CN103419807A publication Critical patent/CN103419807A/en
Application granted granted Critical
Publication of CN103419807B publication Critical patent/CN103419807B/en

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Abstract

The invention provides a piece of coupler knuckle push iron, a railway vehicle coupler and a railway vehicle. The piece of coupler knuckle push iron comprises a push iron pin shaft arranged in the perpendicular direction and used for being hinged to a coupler body, wherein a leg kicking portion and a locking base are respectively and fixedly arranged on the push iron pin shaft, the leg kicking portion is used for driving a coupler knuckle to horizontally rotate, and the locking base is matched with a piece of locking iron. The distance between the lower surface of the leg kicking portion and the lower surface of the locking base is a first distance. According to the piece of coupler knuckle push iron, when the push iron pin shaft rotates, in a vehicle coupler body of the piece of the coupler knuckle push iron, the horizontal rotating area of the leg kicking portion is arranged above the top face of a lower traction table, therefore, the strength of the coupler body can be improved by increasing the extending length of the lower traction table of the coupler body, the aim of optimizing the layout in the coupler body is achieved, meanwhile, the possibility that the lower traction table of the coupler body is cracked even broken is reduced, and the safety of operation of the railway vehicle is improved.

Description

Hook bolt pushes away ferrum, railway vehicle coupler and rolling stock

Technical field

The present invention relates to rolling stock manufacturing technology, more particularly, to a kind of hook bolt pushes away ferrum, railway vehicle coupler and railcar ?.

Background technology

Hitch is the vitals of coupler and draft gear, its function be realize railway locomotive and compartment or compartment and compartment it Between company hang, transmission pull strength and impulsive force, and make to keep certain distance between adjacent two compartment.

Fig. 1 is the structural representation on main view direction for the hitch of prior art, Fig. 2 be in Fig. 1 A-A to sectional view, Fig. 3 Be prior art hitch in hook bolt axonometric chart, Fig. 4 be prior art hitch in hook bolt push away the axonometric chart of ferrum, Fig. 5 is existing Hook bolt in technology is had to push away drive connection schematic diagram between ferrum and hook bolt.As Figure 1-5, hitch includes:Longitudinally disposed along level Coupler body 1 and hook bolt 2, coupler body 1 is hollow structure and its one end has opening, and the afterbody 201 of hook bolt extend into via this opening In the cavity of coupler body 1, and will be hinged with coupler body 1 for hook bolt 2 by the hook bolt bearing pin 21 being vertically located on coupler body 1, so that hook bolt 2 Can rotate around hook bolt bearing pin 21;At the rear of the afterbody 201 of hook bolt 2 and it is additionally provided with hook bolt in coupler body 1 and push away ferrum 3, hook bolt Push away ferrum 3 to be made up of kicking portion 31 and lock portion 32, and by positioned at kicking portion 31 and lock portion 32 junction push away ferrum bearing pin 33 that hook bolt is pushed away ferrum 3 is hinged with coupler body 1;Push away ferrum bearing pin 33 parallel with hook bolt bearing pin 21, and when hook bolt pushes away ferrum 3 around pushing away ferrum bearing pin 33 When rotating counterclockwise, hook bolt pushes away the promotion face 202 that the end in the kicking portion 31 of ferrum 3 is played in hook bolt 2, to drive hook bolt 2 around hook Tongue bearing pin 21 rotates clockwise, thus realizing opening of hitch(Rotate backward as locking).

Fig. 6 is pull strength transfer principle schematic diagram between hook bolt and coupler body in railway vehicle coupler.Please also refer to Fig. 6, scheme Middle F is the direction of pull strength, and hook bolt bearing pin 21 is vertically arranged, and coupler body 1 is used for wear two first pins of hook bolt bearing pin 21 The front that the surrounding in hole is respectively formed with corresponding hook bolt 2 afterbody on upper flange 101 and lower flange 102, and coupler body 1 is respectively formed with Upper traction table 103 and lower traction table 104.When rolling stock runs, hitch is in locking states to transmit longitudinal pull strength, To transmit this pull strength typically by upper traction table 103 with the contact with the front end face of hook bolt 2 afterbody of lower traction table 104, When upper traction table 103 and lower traction table 104 are after long-time abrasion, then by upper traction table 103 and lower traction table 104 and Upper flange 101 and lower flange 102 transmit pull strength jointly.

Fig. 7 is to remove the structural representation that hook bolt and hook bolt push away ferrum in Fig. 2;As shown in Fig. 2, Fig. 4 and Fig. 7, due to existing This hook bolt in technology push away ferrum 3 kicking portion 31 coplanar with lock portion 32 so that the level in kicking portion 31 and lock portion 32 turns Dynamic region occupies most of space of the bottom of coupler body 1 internal cavity, and the lower traction table 104 of coupler body 1 is formed at sky in coupler body 1 On the bottom surface in chamber, it is necessary to strict limit lower traction table 104 development length in the horizontal direction under such layout(As Fig. 6 institute Show, the development length of traction table 104 is very short), under guarantee, traction table 104 will not form to the rotation in kicking portion 31 and interfere, And then just enable hook bolt 2 can opening and locking functions, but, lower traction table development length in the horizontal direction is limited can be straight Connecing the intensity deficiency leading to coupler hook body so that after train operation for a period of time, crackle easily occurs at lower traction table, increasing Potential safety hazard in rolling stock running.

Content of the invention

For drawbacks described above of the prior art, the present invention provides a kind of hook bolt to push away ferrum, railway vehicle coupler and railcar , its hook bolt pushes away ferrum and hook bolt can driven to rotate to realize while opening with locking functions of hitch, also helps improvement The layout of the internal each part of coupler hook body, thus reach the purpose of the intensity improving hook body structure further to improve coupler body.

It is an aspect of the invention to provide a kind of hook bolt pushes away ferrum, including:One vertically arrange, for hinged with coupler body Push away ferrum bearing pin, described push away be fixedly installed respectively on ferrum bearing pin kicking for driving described hook bolt to horizontally rotate and for The lock of described lock iron phase cooperation, the lower surface first distance of the lower surface of described kicking and described lock.

Hook bolt as above pushes away ferrum it is preferable that the described ferrum bearing pin that pushes away is included for wearing the center on described coupler body Pin and the axle sleeve of the tubular being coaxially set on described centrepin, described kicking and lock are respectively fixedly disposed at described axle sleeve Lateral surface, and described axle sleeve is stretched out at the two ends of described centrepin respectively.

Another aspect of the present invention is to provide a kind of railway vehicle coupler, including:Longitudinally disposed along level, hollow Coupler body, one end of described coupler body has opening, is provided with a hook bolt at described opening, the front end of described hook bolt is head, after Hold as afterbody, the head of described hook bolt is hinged with described coupler body by the hook bolt bearing pin of vertical setting, and the afterbody of described hook bolt is stretched Enter in described coupler body;It is provided with lock ferrum and hook bolt as above pushes away in described coupler body and after the afterbody of described hook bolt Ferrum, the described ferrum bearing pin that pushes away is hinged with described coupler body, and described lock is coordinated with described lock iron phase, and described kicking can drive described hook Tongue horizontally rotates around described hook bolt bearing pin.

An additional aspect of the present invention is to provide a kind of rolling stock, including:Multiple compartments, adjacent two described compartments Between be hooked together by railway vehicle coupler as above respectively.

The hook bolt that the present invention provides pushes away ferrum, railway vehicle coupler and rolling stock, when the hook bolt in coupler body pushes away ferrum rotation, That kicks horizontally rotates the top face that region is in lower traction table, and then, can be by increasing the extension of the lower traction table of coupler body Length, to improve the intensity of coupler body, reaches while optimizing layout in coupler body, reduces and occur splitting at the lower traction table of coupler body The probability of stricture of vagina, even fracture, improves the safety of rolling stock operation.

Brief description

Fig. 1 is the structural representation on main view direction for the hitch of prior art;

Fig. 2 be in Fig. 1 A-A to sectional view;

Fig. 3 be prior art hitch in hook bolt axonometric chart;

Fig. 4 be prior art hitch in hook bolt push away the axonometric chart of ferrum;

Fig. 5 is that in prior art, hook bolt pushes away drive connection schematic diagram between ferrum and hook bolt;

Fig. 6 is pull strength transfer principle schematic diagram between hook bolt and coupler body in railway vehicle coupler;

Fig. 7 is to remove the structural representation that hook bolt and hook bolt push away ferrum in Fig. 2;

Fig. 8 is the axonometric chart that in railway vehicle coupler embodiment of the present invention, hook bolt pushes away ferrum;

Fig. 9 is the axonometric chart of the hook bolt after improving;

Figure 10 is the structural representation that hook bolt of the present invention pushes away another embodiment of ferrum.

Specific embodiment

Heretofore described " longitudinal " refers to the direction that rail extends;" front " refers to current of traffic;" kicking is Big limit projected position " and " the least limit projected position of kicking " refer respectively to, when kicking around pushing away ferrum bearing pin in the horizontal plane During rotation, go to kicking projection vertically during maximum angle position with respect to longitudinal, and go to minimum angles with respect to longitudinal Kicking projection vertically during position, as when hitch is respectively at locking and full-gear, kicking position is along longitudinally Projection.

Fig. 8 is the axonometric chart that in railway vehicle coupler embodiment of the present invention, hook bolt pushes away ferrum;Refer to Fig. 8, the present embodiment carries Push away ferrum for a kind of hook bolt, including:One vertically arrange, push away ferrum bearing pin 73 for hinged with coupler body, push away on ferrum bearing pin 73 point Be not fixedly installed for drive the kicking 71 that hook bolt horizontally rotates and for and lock iron phase cooperation lock 72, under kicking 71 Surface and the lower surface first distance of lock 72.

The hook bolt of the present embodiment pushes away ferrum and can be used in railway vehicle coupler.Fig. 6 is hook bolt and hook in railway vehicle coupler Pull strength transfer principle schematic diagram between body.Referring to Fig. 6 and Fig. 8, usually, railway vehicle coupler includes:Along longitudinally Setting, the coupler body 1 of hollow, one end of coupler body 1 has opening, is provided with a hook bolt 2, the front end of hook bolt 2 is head at opening Portion, rear end are afterbody 201, and the head of hook bolt 2 is hinged with coupler body 1 by the hook bolt bearing pin 21 of vertical setting, the afterbody of hook bolt 2 201 extend in coupler body 1;Hook bolt pushes away ferrum and lock ferrum can transversely be arranged on the interior, rear of the afterbody of hook bolt 2 of coupler body 1, to pass through The dynamic hook bolt of lock sheet iron strip pushes away ferrum and rotates around pushing away ferrum bearing pin 73, so that the kicking 71 that hook bolt pushes away ferrum is played the afterbody 201 of hook bolt and drive hook Tongue 2 rotates around hook bolt bearing pin 21, the inner bottom surface of coupler body 1 is formed with for contact with the front end face of the afterbody 201 of hook bolt with The lower traction table 104 of transmission pull strength;Pushing away the kicking 71 on ferrum bearing pin 73 and lock 72 can be perpendicular to pushing away ferrum bearing pin 73, also can be with Kicking 71 is in an acute angle, and the value of the first distance can be according to kicking 71, lock 72 and lower traction table 104 height on vertical To determine, as long as ensure that kicking 71 lower surfaces are more than lower traction table 104 relative to the vertical distance of the inner bottom surface of coupler body 1 Vertical height, to ensure that what lower traction table 104 will not interfere with kicking 71 horizontally rotate that is to say, that now kicking 71 Pivot region on the top surface in lower traction table 104, thus, lower traction table 104 no longer pushed away ferrum by hook bolt along elongation Kicking 71 restriction;So, just coupler body 1 can be improved by increasing the development length in the horizontal direction of lower traction table 102 Intensity;Specifically, the horizontally extending least limit projected position exceeding kicking 71 of lower traction table 104 can be made, optimally, Lower traction table 104 can extend to the side-walls of coupler body, to improve coupler body intensity as much as possible.

Locking and the opening function that ferrum equally can realize hitch is pushed away using the hook bolt that the present embodiment provides, in detail below Declarative procedure can be referring concurrently to Fig. 2 and Fig. 8, when hitch is in locking states(During train operation), lock ferrum 5 and hook bolt pushed away The position locking of the lock 72 of ferrum, now, kicking 71 is not had an effect with hook bolt 2, and the head of lock ferrum is in extreme lower position;Work as car When hook needs to open(After train stops, needing to release the mounting between hitch), lock ferrum 5 can be manipulated by latch gear and touch Lock 72, makes hook bolt push away ferrum and rotates counterclockwise in the horizontal plane, and with the rotation of kicking 71, the distal end faces of kicking 71 can contact Promotion face in hook bolt 2, and so that hook bolt 2 is rotated clockwise under kicking 71 play, will hook bolt 2 be gradually opened;When playing When lower limb 71 turns to maximum limit angle position, hook bolt also reaches full-gear.It should be noted that, hook bolt 2 is pushed away ferrum by hook bolt The position played of kicking 71 be the promotion face of hook bolt, it can be a side of hook bolt 2 or the side of hook bolt 2 Certain position on face, certainly, the kicking 71 being pushed away due to the hook bolt of the present embodiment on ferrum is higher than now in vertical location Hook bolt in technology is had to push away the kicking portion on ferrum, therefore, with promotion face 211 of the prior art(As shown in Figure 5)Institute in hook bolt The position at place is compared, and the location in hook bolt of the promotion face in the present embodiment is also higher.

The hook bolt that the present embodiment provides pushes away ferrum, by improving the relative position of kicking and lock, can make to push away using this hook bolt Inside the coupler hook body of ferrum, the region that horizontally rotates of kicking is no longer had with the space occupied by the horizontal-extending region of lower traction table Occur simultaneously, and then, just can improve the intensity of coupler body by increasing the development length of the lower traction table of coupler body, greatly reduce train After running a period of time, crackle, the probability of even fracture occur at the lower traction table of coupler body, improve rolling stock fortune The safety of row.

In the above-described embodiments, for most railway vehicle couplers, the top surface of lower traction table 104 is than under lock 72 The high 25mm in surface, accordingly, described first distance that hook bolt pushes away between kicking 71 and lock on ferrum can take and be more than or equal to The value of 25mm, just can effectively optimize the layout in coupler body internal cavities, to improve coupler body intensity further.

Further, the top pushing away ferrum bearing pin 73 is fixedly installed with diameter greater than the spacer 731 pushing away ferrum bearing pin 73, that is, fixed The edge of bit slice 731 stretches out and pushes away ferrum bearing pin 73 around, is vertically to be located on coupler body 1 due to pushing away ferrum bearing pin 73, its top Spacer 731 can realize to the vertical positioning pushing away ferrum.The hitch of the present embodiment, need not adopt other keeper location hooks again Tongue pushes away ferrum, further simplify structure, has saved cost.

Further, in order to coordinate the hook bolt in above-described embodiment to push away the structure of ferrum further, also can be to the hook of hitch Tongue structure improves;Fig. 9 is the axonometric chart of the hook bolt after improving, as shown in figure 9, the head 204 of hook bolt 2 and afterbody 201 it Between be long and narrow connecting portion 203, can be along longitudinally open up fluted 205 on the side of connecting portion 203, groove 205 bottom surface is use The promotion face 211 contacting in the distal end faces with kicking 71.Promote the setting in face 211 in the present embodiment, kicking 71 can be made Slide along groove 205 when playing hook bolt in end it is therefore prevented that vertical impact or vibration may lead to kick 71 in vertical appearance Displacement, to be further ensured that hook bolt 2 rotates in the horizontal plane, unnecessary such that it is able to reduce while ensureing open angle Abrasion.

Figure 10 is the structural representation that hook bolt of the present invention pushes away another embodiment of ferrum, in an alternative embodiment of the invention, such as Fig. 7 Include for wearing the centrepin on coupler body 1 with shown in Figure 10, pushing away ferrum bearing pin 73(Not shown)Coaxially it is set in centrepin On tubular axle sleeve 702, kicking 71 and lock 72 are respectively fixedly disposed at the lateral surface of axle sleeve 702;Side in the present embodiment In case, axle sleeve 702 can be stretched out respectively it is possible to be fixedly connected with being horizontally disposed with coupler body 1, that is, centrepin is vertical in the two ends of centrepin Fixation is located on coupler body 1, so that axle sleeve 702 can rotate around centrepin 701, thus equally realizing hook bolt to push away ferrum and coupler body 1 Hinged.

Certainly, also it is necessarily to be unable to being fixedly connected of relative motion completely between centrepin and coupler body 1, as long as but full Foot positions to the vertical of centrepin, and for example, the top of centrepin can be provided with the location division for vertical centre of location pin, For example, it may be centrally disposed pin top, with diameter greater than on coupler body 1 be used for wear centrepin centre bore location-plate, This location-plate just can prevent the slippage of centrepin;Further, also can arrange in the bottom of this centrepin simultaneously similar to top Location-plate, with reach prevent further axle center pin axial float.The centrepin of the present embodiment and the type of attachment of coupler body, Ensure kicking and lock around centrepin while horizontally rotating, further simplified processing and assembly process, be conducive to drop Low manufacture and maintenance cost.

Another embodiment of the present invention provides a kind of railway vehicle coupler, refer to Fig. 6 and Fig. 8, including:Along level longitudinally Setting, the coupler body 1 of hollow, one end of coupler body 1 has opening, is provided with a hook bolt 2, the front end of hook bolt 2 is head at 1 opening Portion, rear end are afterbody 201, and the head of hook bolt 2 is hinged with coupler body 1 by the hook bolt bearing pin 21 of vertical setting, the afterbody of hook bolt 2 201 extend in coupler body 1;It is provided with lock ferrum and the hook as above-mentioned any embodiment in coupler body 1 and after the afterbody of hook bolt 2 Tongue pushes away ferrum, and wherein, the 26S Proteasome Structure and Function that described hook bolt pushes away ferrum is similar to the above embodiments, will not be described here;Push away ferrum bearing pin 73 Hinged with coupler body 1, lock 72 is coordinated with described lock iron phase, and kicking 71 can drive hook bolt 2 to horizontally rotate around hook bolt bearing pin 21, from And realize the function of hitch conversion opening, between locking and three kinds of working conditions of standard-sized sheet and three kinds of working conditions.

The railway vehicle coupler that the present embodiment provides, because the position that its hook bolt pushes away the kicking of ferrum is in the lower traction of coupler body The top face of platform is so that no longer there is friendship in the region that horizontally rotates of kicking with the horizontal-extending occupied space of lower traction table Collection, therefore, the development length of the lower traction table of coupler body greatly increases, and improves the intensity of coupler body, has been greatly reduced train and has existed After running a period of time, crackle, the probability of even fracture occur at the lower traction table of coupler body, improve rolling stock and run Safety.

An additional aspect of the present invention is to provide a kind of rolling stock, including:Multiple compartments, adjacent two described compartments Between be hooked together by the railway vehicle coupler of above-described embodiment respectively, wherein, the concrete structure of railway vehicle coupler and Function is similar to the above embodiments, and here is omitted.

The rolling stock that the present embodiment provides, is arranged on different horizontal planes by hook bolt pushes away the kicking of ferrum and lock Interior so that kicking horizontally rotate region be located at coupler body lower traction table top face so that lower traction table in level Development length on direction greatly increases, and improves the intensity of coupler body, greatly reduces train after running a period of time, in hook The probability of crackle occurs at the lower traction table of body, reduces the potential safety hazard in rolling stock running.

Finally it should be noted that:Various embodiments above only in order to technical scheme to be described, is not intended to limit;To the greatest extent Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that:Its according to So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered Row equivalent;And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme.

Claims (5)

1. a kind of railway vehicle coupler is it is characterised in that include:Longitudinally disposed along the level, coupler body of hollow, described coupler body One end has opening, is provided with a hook bolt at described opening, and the front end of described hook bolt is head, rear end is afterbody, described hook The head of tongue is hinged with described coupler body by the hook bolt bearing pin of vertical setting, and the afterbody of described hook bolt extend in described coupler body; It is provided with lock ferrum and hook bolt pushes away ferrum in described coupler body and after the afterbody of described hook bolt;Shape in the inner bottom surface of described coupler body Become to have for contacting with the front end face of the afterbody of described hook bolt to transmit the lower traction table of pull strength;
Described hook bolt push away ferrum include one vertically arrange push away ferrum bearing pin, described pushing away is fixedly installed respectively for carrying on ferrum bearing pin Move kicking and lock, the lower surface of described kicking and the described lock for coordinating that described hook bolt horizontally rotates with described lock iron phase The lower surface first distance of seat;
The horizontally extending least limit projected position exceeding described kicking of described lower traction table, described lower traction table is always Extend to the side-walls of described coupler body;
The described ferrum bearing pin that pushes away is hinged with described coupler body, described lock and described lock iron phase cooperation, and described in described kicking can drive Hook bolt horizontally rotates around described hook bolt bearing pin;
It is provided with connecting portion between the described head of described hook bolt and described afterbody, the side of described connecting portion opens up along longitudinal Fluted, the bottom surface of described groove is promotion face, and described promotion face is used for contacting with the distal end faces of described kicking.
2. railway vehicle coupler according to claim 1 is it is characterised in that the described top pushing away ferrum bearing pin is fixedly installed With diameter greater than the described spacer pushing away ferrum bearing pin;Or,
The described ferrum bearing pin that pushes away is included for wearing the centrepin on described coupler body and the cylinder being coaxially set on described centrepin The axle sleeve of shape, described kicking and lock are respectively fixedly disposed at the lateral surface of described axle sleeve;
The top of described centrepin is provided with the location division for the described centrepin of vertical positioning.
3. railway vehicle coupler according to claim 1 and 2 it is characterised in that and described kicking and lock be each perpendicular to Described push away ferrum bearing pin.
4. railway vehicle coupler according to claim 3 is it is characterised in that described first distance is more than or equal to 25mm.
5. a kind of rolling stock, including:Multiple compartments are it is characterised in that pass through respectively such as between adjacent two described compartments Railway vehicle coupler described in any one of claim 1-4 is hooked together.
CN201210156036.XA 2012-05-18 2012-05-18 Coupler knuckle push iron, railway vehicle coupler and railway vehicle CN103419807B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210156036.XA CN103419807B (en) 2012-05-18 2012-05-18 Coupler knuckle push iron, railway vehicle coupler and railway vehicle

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201210156036.XA CN103419807B (en) 2012-05-18 2012-05-18 Coupler knuckle push iron, railway vehicle coupler and railway vehicle
AU2013262225A AU2013262225A1 (en) 2012-05-18 2013-05-14 Coupler push-block, coupler tongue, coupler, and railroad car
AU2013101707A AU2013101707A4 (en) 2012-05-18 2013-05-14 Coupler push-block, coupler tongue, coupler, and railroad car
PCT/CN2013/075579 WO2013170740A1 (en) 2012-05-18 2013-05-14 Coupler push-block, coupler tongue, coupler, and railroad car

Publications (2)

Publication Number Publication Date
CN103419807A CN103419807A (en) 2013-12-04
CN103419807B true CN103419807B (en) 2017-02-08

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* Cited by examiner, † Cited by third party
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
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
CN108891440B (en) * 2018-06-29 2020-04-24 中车齐齐哈尔车辆有限公司 Locomotive, car coupler and coupler knuckle

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USRE17690E (en) * 1930-06-03 richards
US3693809A (en) * 1970-12-14 1972-09-26 Midland Ross Corp Railway car coupler
WO2001025070A1 (en) * 1999-10-01 2001-04-12 Trinity Industries, Inc. Knuckle coupler pin
CN201808573U (en) * 2010-09-29 2011-04-27 齐齐哈尔轨道交通装备有限责任公司 Coupler knuckle push iron and car coupler
CN201825053U (en) * 2010-10-20 2011-05-11 南车眉山车辆有限公司 Car coupler capable of preventing automatic latching

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US493833A (en) * 1893-03-21 Car-coupling

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE17690E (en) * 1930-06-03 richards
US3693809A (en) * 1970-12-14 1972-09-26 Midland Ross Corp Railway car coupler
WO2001025070A1 (en) * 1999-10-01 2001-04-12 Trinity Industries, Inc. Knuckle coupler pin
CN201808573U (en) * 2010-09-29 2011-04-27 齐齐哈尔轨道交通装备有限责任公司 Coupler knuckle push iron and car coupler
CN201825053U (en) * 2010-10-20 2011-05-11 南车眉山车辆有限公司 Car coupler capable of preventing automatic latching

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Applicant after: CRRC QIQIHAR VEHICLE CO., LTD.

Address before: 10 Fuxing Road, Beijing, No. 100844

Applicant before: CHINA RAILWAY CORPORATION

Applicant before: Qiqihar Railway Rolling Stock Co., Ltd.

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