CN103419807A - 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
CN103419807A
CN103419807A CN201210156036XA CN201210156036A CN103419807A CN 103419807 A CN103419807 A CN 103419807A CN 201210156036X A CN201210156036X A CN 201210156036XA CN 201210156036 A CN201210156036 A CN 201210156036A CN 103419807 A CN103419807 A CN 103419807A
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CN
China
Prior art keywords
coupler
iron
hook tongue
lock
kicking
Prior art date
Application number
CN201210156036XA
Other languages
Chinese (zh)
Other versions
CN103419807B (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
齐齐哈尔轨道交通装备有限责任公司
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Publication date
Application filed by 齐齐哈尔轨道交通装备有限责任公司 filed Critical 齐齐哈尔轨道交通装备有限责任公司
Priority to CN201210156036.XA priority Critical patent/CN103419807B/en
Priority claimed from PCT/CN2013/075579 external-priority patent/WO2013170740A1/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

The hook tongue pushes away iron, railway vehicle coupler and rolling stock

Technical field

The present invention relates to the rolling stock manufacturing technology, relate in particular to a kind of hook tongue and push away iron, railway vehicle coupler and rolling stock.

Background technology

Hitch is the vitals of coupler and draft gear, and its function is company's extension, transmitting tractive power and the impulsive force of realizing between railway locomotive and compartment or compartment and compartment, and makes to keep certain distance between two adjacent compartments.

Fig. 1 is the structural representation of hitch on main apparent direction of prior art, Fig. 2 be in Fig. 1 A-A to cutaway view, Fig. 3 is the block diagram of hook tongue in the hitch of prior art, Fig. 4 is the block diagram that in the hitch of prior art, the hook tongue pushes away iron, and Fig. 5 is that in prior art, the hook tongue pushes away drive connection schematic diagram between iron and hook tongue.As Figure 1-5, hitch comprises: the coupler body 1 and the hook tongue 2 that along level, vertically arrange, coupler body 1 has opening for hollow structure and one end, the afterbody 201 of hook tongue extend in the cavity of coupler body 1 via this opening, and by the knuckle pivot pin axle 21 vertically be located on coupler body 1, that hook tongue 2 and coupler body 1 is hinged, so that hook tongue 2 can rotate around knuckle pivot pin axle 21; At the rear of the afterbody 201 of hook tongue 2 and also be provided with the hook tongue push away iron 3 in coupler body 1, the hook tongue pushes away iron 3 and is comprised of kicking section 31 and lock section 32, and the iron bearing pin 33 that pushes away of the junction by being positioned at kicking section 31 and lock section 32 that the hook tongue is pushed away to iron 3 is hinged with coupler body 1; Push away iron bearing pin 33 parallel with knuckle pivot pin axle 21, and when the hook tongue pushes away iron 3 when pushing away iron bearing pin 33 and rotate counterclockwise, the hook tongue pushes away the end of the kicking section 31 of iron 3 and plays the promotion face 202 on hook tongue 2, to drive hook tongue 2, around knuckle pivot pin axle 21, clockwise rotate, thus open (rotate backward and be locking) of realizing hitch.

Fig. 6 is tractive force transfer principle schematic diagram between hook tongue and coupler body in railway vehicle coupler.Please first with reference to Fig. 6, the direction that in figure, F is tractive force, knuckle pivot pin axle 21 is along vertical setting, on coupler body 1, for around two the first pin-and-holes wearing knuckle pivot pin axle 21, being formed with respectively upper flange 101 and lower flange 102, and on coupler body 1, the place ahead of corresponding hook tongue 2 afterbodys is formed with respectively traction table 103 and lower traction table 104.When rolling stock moves, hitch in locking states to transmit tractive force longitudinally, normally front end face by upper traction table 103 and lower traction table 104 and hook tongue 2 afterbodys contacts to transmit this tractive force, when upper traction table 103 and lower traction table 104 after long-time abrasion, by upper traction table 103 and lower traction table 104 and upper flange 101 and the common transmitting tractive power of lower flange 102.

Fig. 7 removes the structural representation that hook tongue and hook tongue push away iron in Fig. 2, as Fig. 2, shown in Fig. 4 and Fig. 7, the kicking section 31 that pushes away iron 3 due to this hook tongue of the prior art is coplanar with lock section 32, make the most of space that zone has occupied the bottom of coupler body 1 internal cavity that horizontally rotates of kicking section 31 and lock section 32, and the lower traction table 104 of coupler body 1 is formed on the bottom surface of coupler body 1 internal cavity, under such layout, must strictly limit the development length of lower traction table 104 along continuous straight runs (as shown in Figure 6, the development length of traction table 104 is very short), under guarantee, traction table 104 can not form and interfere the rotation of kicking section 31, and then could realize that hook tongue 2 can open and locking functions, but, the limited meeting of the development length of lower traction table along continuous straight runs directly causes the undercapacity of coupler hook body, make after train operation a period of time, crackle very easily appears in lower traction table place, increased the potential safety hazard in the rolling stock operational process.

Summary of the invention

For above-mentioned defect of the prior art, the invention provides a kind of hook tongue and push away iron, railway vehicle coupler and rolling stock, its hook tongue push away iron can drive the hook tongue rotate to realize hitch open with locking functions in, also help the layout of improving inner each part of coupler hook body, thereby reach the further purpose of hook body structure with the intensity of raising coupler body of improving.

One aspect of the present invention is to provide a kind of hook tongue and pushes away iron, comprise: one along vertical setting, for coupler body hinged push away the iron bearing pin, described push away on the iron bearing pin to be fixedly installed respectively to be useful on drive kicking and the lock for matching with described lock iron that described hook tongue horizontally rotates, the lower surface of described kicking and the lower surface of described lock be the first distance apart.

Hook tongue as above pushes away iron, preferably, the described iron bearing pin that pushes away comprises the axle sleeve that is located at the tubular on described center pin for wearing center pin on described coupler body and coaxial sleeve, described kicking and lock are fixedly installed on respectively the lateral surface of described axle sleeve, and described axle sleeve is stretched out respectively at the two ends of described center pin.

Another aspect of the present invention is to provide a kind of railway vehicle coupler, comprise: along vertical arrange, coupler body hollow of level, one end of described coupler body has opening, be provided with a hook tongue at described opening part, the front end of described hook tongue is that head, rear end are afterbody, the head of described hook tongue is hinged by knuckle pivot pin axle and the described coupler body of vertical setting, and the afterbody of described hook tongue extend in described coupler body; Be provided with lock iron and hook tongue as above and push away iron in described coupler body and after the afterbody of described hook tongue, describedly push away the iron bearing pin and described coupler body is hinged, described lock matches with described lock iron, and described kicking can drive described hook tongue and horizontally rotates around described knuckle pivot pin axle.

Another aspect of the present invention is to provide a kind of rolling stock, comprising: a plurality of compartments are hooked together by railway vehicle coupler as above respectively between two adjacent described compartments.

Hook tongue provided by the invention pushes away iron, railway vehicle coupler and rolling stock, when the hook tongue in coupler body pushes away the iron rotation, kicking horizontally rotate the top face of zone in lower traction table, and then, the development length of lower traction table that can be by increasing coupler body improves the intensity of coupler body, reach in optimizing coupler body in layout, crackle, the possibility of fracture even appear in the lower traction table place that is reduced in coupler body, have improved the safety of rolling stock operation.

The accompanying drawing explanation

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

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

Fig. 3 is the block diagram of hook tongue in the hitch of prior art;

Fig. 4 is the block diagram that in the hitch of prior art, the hook tongue pushes away iron;

Fig. 5 is that in prior art, the hook tongue pushes away drive connection schematic diagram between iron and hook tongue;

Fig. 6 is tractive force transfer principle schematic diagram between hook tongue and coupler body in railway vehicle coupler;

Fig. 7 removes the structural representation that hook tongue and hook tongue push away iron in Fig. 2;

Fig. 8 is the block diagram that in railway vehicle coupler embodiment of the present invention, the hook tongue pushes away iron;

Fig. 9 is the block diagram of the hook tongue after improving;

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

The specific embodiment

" vertically " described in the present invention refers to the direction that rail extends; " front " refers to current of traffic; " the greatest limit projected position of kicking " and " the minimum limit projected position of kicking " refers to respectively, when kicking when pushing away the iron bearing pin and rotate in horizontal surface, with respect to vertically forward the maximum angle position to time kicking along vertical projection, with with respect to vertically forward the minimum angles position to time kicking along vertical projection, be when hitch during respectively in locking and full-gear kicking position projection longitudinally.

Fig. 8 is the block diagram that in railway vehicle coupler embodiment of the present invention, the hook tongue pushes away iron; Please refer to Fig. 8, the present embodiment provides a kind of hook tongue to push away iron, comprise: one along vertical setting, for coupler body hinged push away iron bearing pin 73, push away on iron bearing pin 73 to be fixedly installed respectively being useful on driving kicking 71 and the lock 72 for matching with lock iron that the hook tongue horizontally rotates, the lower surface of kick 71 lower surface and lock 72 is the first distance apart.

The hook tongue of the present embodiment pushes away iron and can be used in railway vehicle coupler.Fig. 6 is tractive force transfer principle schematic diagram between hook tongue and coupler body in railway vehicle coupler.Referring to Fig. 6 and Fig. 8, usually, railway vehicle coupler comprises: coupler body 1 that longitudinally arrange, hollow, one end of coupler body 1 has opening, be provided with a hook tongue 2 at opening part, the front end of hook tongue 2 is that head, rear end are afterbody 201, and the head of hook tongue 2 is hinged with coupler body 1 by the knuckle pivot pin axle 21 of vertical setting, and the afterbody 201 of hook tongue 2 extend in coupler body 1, the hook tongue pushes away iron and lock iron can along being horizontally installed on, coupler body 1 be interior, the rear of the afterbody of hook tongue 2, to push away iron by the moving hook tongue of lock sheet iron strip, around pushing away iron bearing pin 73, rotate, the kicking 71 that makes the hook tongue push away iron is played the afterbody 201 of hook tongue and is driven hook tongue 2 and rotates around knuckle pivot pin axle 21, and the front end face be formed with on the inner bottom surface of coupler body 1 for the afterbody 201 with the hook tongue contacts the lower traction table 104 with transmitting tractive power, the kicking 71 and the lock 72 that push away on iron bearing pin 73 can be perpendicular to pushing away iron bearing pin 73, also can be an acute angle with kicking 71, and the value of the first distance can be according to kicking 71, lock 72 and lower traction table 104 are determined at the height on vertical, as long as can guarantee to kick, the vertical distance of the inner bottom surface of the relative coupler body 1 of 71 lower surface is greater than the vertical height of lower traction table 104, can not interfere horizontally rotating of kicking 71 to guarantee lower traction table 104, that is to say, now kick 71 pivot region on the end face at lower traction table 104, thereby, the kicking 71 that no longer is subject to the hook tongue to push away iron along elongation of lower traction table 104 limits, like this, just, can improve by the development length in the horizontal direction that increases lower traction table 102 intensity of coupler body 1, particularly, can make lower traction table 104 along continuous straight runs extend beyond the minimum limit projected position of kicking 71, optimally, lower traction table 104 can extend to the side-walls of coupler body always, to improve as much as possible coupler body intensity.

The hook tongue that adopts the present embodiment to provide pushes away locking and the opening function that iron can be realized hitch equally, following specific description process can be simultaneously with reference to Fig. 2 and Fig. 8, when hitch during in locking states (during train operation), lock iron 5 pushes away the hook tongue locking position of the lock 72 of iron, now, kicking 71 is not had an effect with hook tongue 2, and the head of lock iron is in extreme lower position; When hitch need to be opened (after train stops, need to remove articulating between hitch), can touch lock 72 by latch gear operated lock iron 5, make the hook tongue push away iron rotates counterclockwise in horizontal surface, rotation along with kicking 71, kicking 71 distal end faces can touch the promotion face on hook tongue 2, and hook tongue 2 is clockwise rotated under the playing of kicking 71, and soon hook tongue 2 is opened gradually; When kicking 71 turns to the greatest limit angle position, the hook tongue also reaches full-gear.It should be noted that, pushed away by the hook tongue promotion face that position that the kicking 71 of iron plays is the hook tongue on hook tongue 2, it can be a side of hook tongue 2, it can be also certain position on the side of hook tongue 2, certainly, because pushing away kicking 71 on iron hook tongue in vertical residing position will be higher than prior art, the hook tongue of the present embodiment pushes away the kicking section on iron, therefore, with promotion face 211(of the prior art as shown in Figure 5) on the hook tongue, residing position is compared, the residing position on the hook tongue of the promotion face in the present embodiment is also higher.

The hook tongue that the present embodiment provides pushes away iron, by improvement, kick and the relative position of lock, can make to adopt this hook tongue to push away the coupler hook body inside of iron, the zone that horizontally rotates of kicking no longer includes common factor with the regional occupied space of the horizontal-extending of lower traction table, and then, the development length of lower traction table that just can be by increasing coupler body improves the intensity of coupler body, greatly reduce train after operation a period of time, occur crackle, the possibility even ruptured at the lower traction table place of coupler body, improved the safety of rolling stock operation.

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

Further, the top that pushes away iron bearing pin 73 is fixedly installed diameter and is greater than the spacer 731 that pushes away iron bearing pin 73, be the edge of spacer 731 stretch out push away iron bearing pin 73 around, owing to pushing away iron bearing pin 73, be vertically to be located on coupler body 1, the spacer 731 at its top can be realized pushing away the vertical location of iron.The hitch of the present embodiment, without adopting other locations location hook tongue to push away iron, further simplify the structure again, and saved cost.

Further, in order further to coordinate hook tongue in above-described embodiment, push away the structure of iron, also can the hook tongue structure of hitch be improved; Fig. 9 is the block diagram of the hook tongue after improving, as shown in Figure 9, be long and narrow connecting portion 203 between the head 204 of hook tongue 2 and afterbody 201, on the side of connecting portion 203, can longitudinally offer groove 205, groove 205 bottom surfaces are the promotion face 211 contacted for the distal end faces with kicking 71.The setting of promotion face 211 in the present embodiment, 71 the end of can making to kick slides along groove 205 when playing the hook tongue, prevent vertical impact or vibrated 71 displacements in vertical appearance that may cause kicking, further to guarantee that hook tongue 2 rotates in horizontal surface, thereby can when guaranteeing open angle, reduce unnecessary wearing and tearing.

Figure 10 is the structural representation that hook tongue of the present invention pushes away another embodiment of iron, in another embodiment of the present invention, as shown in Fig. 7 and Figure 10, push away iron bearing pin 73 and comprise the axle sleeve 702 that is located at the tubular on center pin for wearing center pin (not shown) on coupler body 1 and coaxial sleeve, kick 71 and lock 72 be fixedly installed on respectively the lateral surface of axle sleeve 702; In the scheme of the present embodiment, axle sleeve 702 can be stretched out respectively in the two ends of center pin, and can be fixedly connected with being horizontally disposed with coupler body 1, and center pin vertically fixedly is located on coupler body 1, so that axle sleeve 702 can be around center pin 701 rotation, thereby realize that equally the hook tongue pushes away the hinged of iron and coupler body 1.

Certainly, between center pin and coupler body 1, must not be yet fully can not relative motion be fixedly connected with, but can to the vertical positioning instant of center pin as long as meet, for example, the top of center pin can be provided with the location division for vertical center of location pin, for example, can be arranged on the center pin top, diameter is greater than on coupler body 1 locating plate of the centre hole for wearing center pin, this locating plate just can prevent the slippage of center pin; Further, also can the locating plate similar to top be set simultaneously in the bottom of this center pin, to reach the end float misalignment that further prevents the axle center pin.The center pin of the present embodiment and the type of attachment of coupler body, guaranteeing that kicking and lock, in the horizontally rotating of center pin, also further simplified processing and assembly process, be conducive to reduce and manufacture and maintenance cost.

Another embodiment of the present invention provides a kind of railway vehicle coupler, please refer to Fig. 6 and Fig. 8, comprise: along vertical arrange, the coupler body 1 hollow of level, one end of coupler body 1 has opening, be provided with a hook tongue 2 at 1 opening part, the front end of hook tongue 2 is that head, rear end are afterbody 201, and the head of hook tongue 2 is hinged with coupler body 1 by the knuckle pivot pin axle 21 of vertical setting, and the afterbody 201 of hook tongue 2 extend in coupler body 1; In coupler body 1 and after the afterbody of hook tongue 2, be provided with lock iron and as the hook tongue of above-mentioned arbitrary embodiment push away iron, wherein, the 26S Proteasome Structure and Function that described hook tongue pushes away iron is similar to the above embodiments, does not repeat them here; Push away iron bearing pin 73 hinged with coupler body 1, lock 72 matches with described lock iron, and kicks and 71 can drive hook tongue 2 and horizontally rotate around knuckle pivot pin axle 21, thereby realizes the function that hitch is changed opening, between locking and three kinds of mode of operations of standard-sized sheet and three kinds of mode of operations.

The railway vehicle coupler that the present embodiment provides, because its hook tongue pushes away the top face of position in the lower traction table of coupler body of the kicking of iron, make the occupied space of the horizontal-extending that horizontally rotates zone and lower traction table of kicking no longer include common factor, therefore, the development length of the lower traction table of coupler body greatly increases, improved the intensity of coupler body, also greatly reduce train after operation a period of time, occur crackle, the possibility even ruptured at the lower traction table place of coupler body, improved the safety of rolling stock operation.

Another aspect of the present invention is to provide a kind of rolling stock, comprise: a plurality of compartments, between two adjacent described compartments respectively the railway vehicle coupler by above-described embodiment be hooked together, wherein, concrete structure and the function of railway vehicle coupler are similar to the above embodiments, repeat no more herein.

The rolling stock that the present embodiment provides, kicking by the hook tongue being pushed away to iron is from lock is arranged on different horizontal surfaces, make the top face that zone is positioned at the lower traction table of coupler body that horizontally rotates of kicking, thereby the lower traction table development length in the horizontal direction made greatly increases, improved the intensity of coupler body, greatly reduce train after operation a period of time, occur the possibility of crackle at the lower traction table place of coupler body, reduced the potential safety hazard in the rolling stock operational process.

Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a hook tongue pushes away iron, comprise: one along vertical setting, for coupler body hinged push away the iron bearing pin, described push away on the iron bearing pin to be fixedly installed respectively to be useful on drive kicking and the lock for matching with described lock iron that described hook tongue horizontally rotates, it is characterized in that, the lower surface of described kicking and the lower surface of described lock are at a distance of the first distance.
2. hook tongue according to claim 1 pushes away iron, it is characterized in that, and described kicking and lock is all perpendicular to the described iron bearing pin that pushes away.
3. hook tongue according to claim 1 and 2 pushes away iron, it is characterized in that, described the first distance is more than or equal to 25mm.
4. hook tongue according to claim 3 pushes away iron, it is characterized in that, the described top that pushes away the iron bearing pin is fixedly installed diameter and is greater than the described spacer that pushes away the iron bearing pin.
5. hook tongue according to claim 1 and 2 pushes away iron, it is characterized in that, the described iron bearing pin that pushes away comprises the axle sleeve that is located at the tubular on described center pin for wearing center pin on described coupler body and coaxial sleeve, and described kicking and lock are fixedly installed on respectively the lateral surface of described axle sleeve.
6. hook tongue according to claim 5 pushes away iron, it is characterized in that, the top of described center pin is provided with the location division for the described center pin in vertical location.
7. a railway vehicle coupler, it is characterized in that, comprise: along vertical arrange, coupler body hollow of level, one end of described coupler body has opening, be provided with a hook tongue at described opening part, the front end of described hook tongue is that head, rear end are afterbody, and the head of described hook tongue is hinged by knuckle pivot pin axle and the described coupler body of vertical setting, and the afterbody of described hook tongue extend in described coupler body; Be provided with lock iron and described hook tongue as arbitrary as claim 1-6 and push away iron in described coupler body and after the afterbody of described hook tongue, describedly push away the iron bearing pin and described coupler body is hinged, described lock matches with described lock iron, and described kicking can drive described hook tongue and horizontally rotates around described knuckle pivot pin axle.
8. a rolling stock comprises: a plurality of compartments, it is characterized in that, and between two adjacent described compartments, by railway vehicle coupler as claimed in claim 7, be hooked together respectively.
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
PCT/CN2013/075579 WO2013170740A1 (en) 2012-05-18 2013-05-14 Coupler push-block, coupler tongue, coupler, and railroad car
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

Publications (2)

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

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Publication number Priority date Publication date Assignee Title
CN107873007A (en) * 2015-04-06 2018-04-03 贝德罗工业有限责任公司 Railcar hitch
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
CN108839665A (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 hook body
CN108891441A (en) * 2018-06-29 2018-11-27 中车齐齐哈尔车辆有限公司 A kind of rolling stock, hitch and hook bolt
CN108891440A (en) * 2018-06-29 2018-11-27 中车齐齐哈尔车辆有限公司 A kind of rolling stock, hitch and hook bolt
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

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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
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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107873007A (en) * 2015-04-06 2018-04-03 贝德罗工业有限责任公司 Railcar hitch
US10532753B2 (en) 2015-04-06 2020-01-14 Bedloe Industries Llc Railcar coupler
CN107873007B (en) * 2015-04-06 2019-09-13 贝德罗工业有限责任公司 Railcar hitch
CN108839665A (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 hook body
CN108891441A (en) * 2018-06-29 2018-11-27 中车齐齐哈尔车辆有限公司 A kind of rolling stock, hitch and hook bolt
CN108891440A (en) * 2018-06-29 2018-11-27 中车齐齐哈尔车辆有限公司 A kind of rolling stock, hitch and hook bolt
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
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

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