CN201825053U - Car coupler capable of preventing automatic latching - Google Patents

Car coupler capable of preventing automatic latching Download PDF

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Publication number
CN201825053U
CN201825053U CN2010205689249U CN201020568924U CN201825053U CN 201825053 U CN201825053 U CN 201825053U CN 2010205689249 U CN2010205689249 U CN 2010205689249U CN 201020568924 U CN201020568924 U CN 201020568924U CN 201825053 U CN201825053 U CN 201825053U
Authority
CN
China
Prior art keywords
coupler
pivot pin
tongue
hook tongue
hitch
Prior art date
Application number
CN2010205689249U
Other languages
Chinese (zh)
Inventor
李竹
肖颖
刘文中
徐五一
刘成勇
王之成
安磊
杨晓明
袁永宏
余汝松
刘幼平
Original Assignee
南车眉山车辆有限公司
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 南车眉山车辆有限公司 filed Critical 南车眉山车辆有限公司
Priority to CN2010205689249U priority Critical patent/CN201825053U/en
Application granted granted Critical
Publication of CN201825053U publication Critical patent/CN201825053U/en

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Abstract

The utility model discloses a car coupler capable of preventing automatic latching, comprising a coupler body, a coupler tongue and a coupler tongue pin, wherein the coupler tongue pin is articulated with the coupler body through the coupler tongue pin arranged in the coupler tongue pin hole of the coupler body; an inner cavity of the coupler tongue is provided with an elastic part; the coupler tongue pin and the coupler body are relatively fixed; two plane sections are processed on the arc surface of the coupler tongue pin; a relatively convex transition section is formed between the two plane sections; the head of the elastic part is in close fit with the plane sections after bending towards the surface S of the coupler tongue, and the tail of the elastic part is relatively fixed with the coupler tongue; and the head and the middle bending point of the elastic part are supported by a heave in the inner cavity of the coupler tongue. Without affecting the composition and use performance of the existing car coupler, the external force needed for changing the car coupler from fully open state to latched state is effectively increased, the automatic latching phenomenon that the coupler tongue is rotated due to the coupling impact of a rear car coupler during the operation of car rolling is overcome, and further the efficiency of railway vehicles in shunting work is improved.

Description

A kind of hitch that prevents coupler lock

Technical field

The hump that the utility model relates to the scheduling of a kind of goods train vehicle slips and prevents that train from connecting the hitch of coupler lock when hanging in the car operating process.

Background technology

Hitch is that railway truck connects the key components and parts of hanging part, newly make at present the hitch that lorry assembled of lorry and circuit operation, as illustrated in fig. 1 and 2, mainly comprise coupler body 1, hook tongue 2 and knuckle pivot pin 3, its knuckle pivot pin 3 relative to coupler body 1, hook tongue 2 only overcome friction promptly can rotate, and hook tongue 2 is being unblanked, when locking is turned round, also only need overcome the friction force between hook tongue 2 and each part around knuckle pivot pin 3.

In practical operation, the Freight Transport management is accompanied by marshalling, the despatching work of a large amount of vehicles usually.And in the vehicle scheduling process, when hump slips the car operation, need be in full-gear by skating vehicle rear end hitch, and could realize the continuous slide car operation of vehicle like this, finish the despatching work of vehicle.Yet when most of car speed surpasses 4km/h, in the time of this vehicle and the place ahead train company extension, its rear end hitch is under the moment impact effect, the torque that this speed generation momentum forms has exceeded the friction moment sum between hook tongue and each part, thereby has broken the moment balance of hook tongue around knuckle pivot pin, so that back end hook tongue rotation, make hitch generation coupler lock, as shown in Figure 3, occur rear end hitch coupler lock during for coupling of vehicles, cause the scheme drawing that to realize connecting once more extension.Like this, because after skating vehicle is even hung and is incorporated next train into, because of its rear end hitch generation coupler lock, if rolling realizes connecting and hangs once more, just must come and go the hitch that coupler lock will take place and open to the standard-sized sheet position by operating personal, thereby make troubles to shunting service, cause Shunting Service Efficiency lower, be unfavorable for improving the Freight Transport management work.

Summary of the invention

Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of in the railway truck scheduling operation, can prevent effectively that being surpassed 4km/h by skating vehicle speed connects when hanging, and the hitch of coupler lock phenomenon takes place.

The technical solution of the utility model is achieved in that a kind of hitch that prevents coupler lock, comprise coupler body, hook tongue and knuckle pivot pin, described hook tongue is hinged by knuckle pivot pin and coupler body in the knuckle pivot pin hole that is arranged at coupler body, it is characterized in that: in the inner chamber of described hook tongue, be provided with elastomeric element, described knuckle pivot pin is by the coupler body relative fixed, curved surfaces at described knuckle pivot pin processes two planar sections, between described two planar sections, form the transition phase that protrudes relatively, the head of described elastomeric element is fitting tightly with described planar section to hook tongue S face bending back, its afterbody and hook tongue relative fixed, the break place at the head of described elastomeric element and its middle part supports by the projection in the hook tongue inner chamber.

The hitch that prevents coupler lock described in the utility model, it is provided with position plate in described knuckle pivot pin end, and described position plate is by the coupler body orientation.

The hitch that prevents coupler lock described in the utility model, its described two planar sections are arranged on the middle part of knuckle pivot pin.

The hitch that prevents coupler lock described in the utility model, its in the inner chamber of described hook tongue, elastomeric element middle part is provided with detent by the linkage section corresponding position of afterbody, the middle part of described elastomeric element is the convex by described detent coupling by the linkage section of afterbody.

The hitch that prevents coupler lock described in the utility model, the afterbody of its described elastomeric element is curved, and the segmental arc of described afterbody is connected to the opening part of the hook tongue bottom of the coupling of leaning on.

The hitch that prevents coupler lock described in the utility model, its described elastomeric element is a laminated spring, described laminated spring thickness is 1.5mm~4.5mm.

The hitch that prevents coupler lock described in the utility model, its described laminated spring is 1mm~8mm in the deformation of the squeezing action head portion generation of knuckle pivot pin.

The utility model with respect to the beneficial effect of prior art is: the utility model is guaranteeing on the not affected basis of three action functions that existing hitch is formed, by in the hook tongue, elastomeric element being set, simultaneously the structure of knuckle pivot pin is improved, at elastomeric element and under the cooperation of the knuckle pivot pin after improving, effectively increase hitch and become the needed external force of blocking from full-gear, promptly be to have improved skating vehicle rear end hitch the needed skating vehicle speed of coupler lock takes place when even hanging, improved 1.5km/h at least on the original basis, greatly reduce the coupler lock phenomenon that the impact when the rear end hitch is hung because of connecting in the operation of slide car causes the hook tongue to rotate, avoided the frequent long distance of professional operating personal to come and go to open the hitch of coupler lock, thereby improved the efficient of Freight Transport management relevant work greatly, met China Railway Freight career development demand.And the cost of structure that the utility model increases is lower, and the improvement of knuckle pivot pin and supporting new system spring cost are about 500 yuan, and new system hitch, circuit operation hitch are all easily realized improving; And the hitch after improving, on original 232.5 kilograms basis, its weight increases less than millesimal.

Description of drawings

Fig. 1 and Fig. 2 are the structural representations of existing hitch.

Fig. 3 is the hump slide car operating process of goods train vehicle scheduling.

Fig. 4 is the structural representation of the utility model hitch under full-gear.

Fig. 5 is the structural representation of the utility model hitch under blocking.

Fig. 6 is the structural representation of knuckle pivot pin in the utility model.

Fig. 7 is the right elevation of Fig. 5.

Fig. 8 is an A-A section-drawing among Fig. 6.

Fig. 9 is the structural representation of laminated spring in the utility model.

Mark among the figure: 1 is coupler body, and 2 is the hook tongue, and 3 is knuckle pivot pin, 4 is the knuckle pivot pin hole, and 5 is elastomeric element, and 5a is the head of elastomeric element, 5b is the middle part of elastomeric element, and 5c is the afterbody of elastomeric element, and 5d is the linkage section of elastomeric element middle part by afterbody, 6 is planar section, and 7 is transition phase, and 8 is hook tongue S face, 9 is break, and 10 is the projection that supports break in the hook tongue inner chamber, and 11 is position plate, 12 is detent, and 13 is the bayonet socket of hook tongue bottom, and 14 is coupler knuckle pin hole.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is done detailed explanation.

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Shown in Fig. 4 to 9, a kind of hitch that prevents coupler lock, comprise coupler body 1, hook tongue 2 and knuckle pivot pin 3, described hook tongue 2 is hinged by coupler body 1 by the knuckle pivot pin 3 in the knuckle pivot pin hole 4 that is arranged at coupler body 1, in the inner chamber of described hook tongue 2, be provided with elastomeric element 5, described elastomeric element 5 is a laminated spring, and its thickness is 1.5mm~4.5mm; Be connected with a position plate 11 in described knuckle pivot pin 3 top flange stationkeeping, after knuckle pivot pin 3 inserted in the knuckle pivot pin hole 4, described position plate 11 was by coupler body 1 orientation, and knuckle pivot pin 3 rotates relative to coupler body with the restriction knuckle pivot pin by coupler body 1 relative fixed like this; Curved surfaces middle part at described knuckle pivot pin 3 processes two planar sections 6, between described two planar sections 6, form the transition phase 7 that protrudes relatively, the head 5a of described laminated spring is fitting tightly by described planar section 6 to hook tongue S face 8 bending backs, work in-process, stretch into knuckle pivot pin hole 4 with a lever from coupler body 1 downside coupler knuckle pin hole 14, overcoming laminated spring head elastic force by lever exerts pressure, to extend knuckle pivot pin bore portion laminated spring head and press to hook tongue S face one side, and abdicate the assembling knuckle pivot pin and need the space, the knuckle pivot pin that will be processed with two planar sections simultaneously inserts, and takes out lever; The afterbody 5c of described laminated spring is curved, the segmental arc of described afterbody 5c is connected to bayonet socket 13 places of hook tongue 2 bottoms of the coupling of leaning on, thereby make the laminated spring afterbody by hook tongue 2 relative fixed, the head 5a of described laminated spring supports by the projection in hook tongue 2 inner chambers 10 by break 9 places of its middle part 5b, and the deformation that described laminated spring produces under the squeezing action of knuckle pivot pin 3 is 1mm~8mm.

Wherein, in the inner chamber of described hook tongue 2, laminated spring middle part 5b is provided with detent 12 by the linkage section 5d corresponding position of afterbody 5c, the middle part 5b of described laminated spring is the convex by described detent 12 couplings by the linkage section 5d of afterbody 5c, thereby the laminated spring in the hook tongue inner chamber is played positioning action.

Principle of work of the present utility model: as shown in Figure 4, hitch is in full-gear at this moment, and the head of laminated spring fits tightly by a planar section on the knuckle pivot pin, and this moment, laminated spring was less to the elastic force of knuckle pivot pin.

When being hung in company by skating vehicle, its rear end hitch is under the moment impact effect, the hook tongue has produced the moment of inertia of rotating around knuckle pivot pin, this moment the hook tongue by full-gear in the blocking rotating process, because laminated spring is by hook tongue relative fixed, so laminated spring can be followed the hook tongue and be rotated around knuckle pivot pin, when the laminated spring head when knuckle pivot pin rotates, the head of laminated spring begins through the transition phase on the knuckle pivot pin, because transition phase protrudes with respect to planar section, when the laminated spring head when this transition phase, this salient branch produces the power that compresses to hook tongue S face direction to the laminated spring head, simultaneously in addition hook tongue inner chamber protrusions part to the supporting role at laminated spring break place, thereby the laminated spring in the hook tongue inner chamber is increased by the elastic force that knuckle pivot pin takes place, thereby produced a resistance that prevention hook tongue rotates around knuckle pivot pin, when the hook tongue turned to midway location, laminated spring was to the elastic force maximum of knuckle pivot pin.Like this, when unblank, when block action impels the hook tongue to rotate, increased the damping that elastic force brings on the original basis, the phenomenon of hitch coupler lock takes place when then effectively having avoided lorry to slip the car operation in the shock damping action that this elastic force brings, thereby improved the shunt purpose of work efficiency of rolling stock greatly.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. hitch that can prevent coupler lock, comprise coupler body (1), hook tongue (2) and knuckle pivot pin (3), described hook tongue (2) is hinged by knuckle pivot pin (3) in the knuckle pivot pin hole (4) that is arranged at coupler body (1) and coupler body (1), it is characterized in that: in the inner chamber of described hook tongue (2), be provided with elastomeric element (5), described knuckle pivot pin (3) and coupler body (1) relative fixed, curved surfaces at described knuckle pivot pin (3) processes two planar sections (6), between described two planar sections (6), form the transition phase (7) that protrudes relatively, the head (5a) of described elastomeric element (5) is fitting tightly with described planar section (6) to hook tongue S face (8) bending back, its afterbody (5c) and hook tongue (2) relative fixed, the head (5a) of described elastomeric element (5) is located to support by the projection (10) in hook tongue (2) inner chamber with the break (9) at its middle part (5b).
2. the hitch that prevents coupler lock according to claim 1 is characterized in that: be provided with position plate (11) in described knuckle pivot pin (3) end, described position plate (11) is by coupler body (1) orientation.
3. the hitch that prevents coupler lock according to claim 1 is characterized in that: described two planar sections (6) are arranged on the middle part of knuckle pivot pin (3).
4. according to claim 1 or the 2 or 3 described hitches that prevent coupler lock, it is characterized in that: in the inner chamber of described hook tongue (2), elastomeric element (5) middle part (5b) be provided with detent (12) with linkage section (5d) corresponding position of afterbody (5c), the middle part (5b) of described elastomeric element (5) be the convex of mating with described detent (12) with the linkage section (5d) of afterbody (5c).
5. the hitch that prevents coupler lock according to claim 4 is characterized in that: the afterbody (5c) of described elastomeric element (5) is curved, and the segmental arc of described afterbody (5c) is connected to the bayonet socket (13) of hook tongue (2) bottom that matches and locates.
6. the hitch that prevents coupler lock according to claim 5 is characterized in that: described elastomeric element (5) is a laminated spring, and described laminated spring thickness is 1.5mm~4.5mm.
7. the hitch that prevents coupler lock according to claim 6 is characterized in that: described laminated spring is 1mm~8mm in the deformation of the squeezing action head portion generation of knuckle pivot pin (3).
CN2010205689249U 2010-10-20 2010-10-20 Car coupler capable of preventing automatic latching CN201825053U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205689249U CN201825053U (en) 2010-10-20 2010-10-20 Car coupler capable of preventing automatic latching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205689249U CN201825053U (en) 2010-10-20 2010-10-20 Car coupler capable of preventing automatic latching

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CN201825053U true CN201825053U (en) 2011-05-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101962024A (en) * 2010-10-20 2011-02-02 南车眉山车辆有限公司 Vehicle coupler capable of preventing automatic locking
CN103419807A (en) * 2012-05-18 2013-12-04 齐齐哈尔轨道交通装备有限责任公司 Coupler knuckle push iron, railway vehicle coupler and railway vehicle
CN103434529A (en) * 2013-08-29 2013-12-11 齐齐哈尔轨道交通装备有限责任公司 Railway vehicle and vehicle coupler thereof
CN106494451A (en) * 2016-10-21 2017-03-15 中车青岛四方机车车辆股份有限公司 Draft gear assemblies and the rail vehicle with the draft gear assemblies
US10518789B2 (en) 2016-10-21 2019-12-31 Crrc Qingdao Sifang Co., Ltd. Coupling assembly and rail vehicle having same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101962024A (en) * 2010-10-20 2011-02-02 南车眉山车辆有限公司 Vehicle coupler capable of preventing automatic locking
CN101962024B (en) * 2010-10-20 2012-10-03 南车眉山车辆有限公司 Vehicle coupler capable of preventing automatic locking
CN103419807A (en) * 2012-05-18 2013-12-04 齐齐哈尔轨道交通装备有限责任公司 Coupler knuckle push iron, railway vehicle coupler and railway vehicle
CN103419807B (en) * 2012-05-18 2017-02-08 中国铁路总公司 Coupler knuckle push iron, railway vehicle coupler and railway vehicle
CN103434529A (en) * 2013-08-29 2013-12-11 齐齐哈尔轨道交通装备有限责任公司 Railway vehicle and vehicle coupler thereof
CN103434529B (en) * 2013-08-29 2016-01-27 齐齐哈尔轨道交通装备有限责任公司 A kind of railway vehicle and hitch thereof
CN106494451A (en) * 2016-10-21 2017-03-15 中车青岛四方机车车辆股份有限公司 Draft gear assemblies and the rail vehicle with the draft gear assemblies
US10518789B2 (en) 2016-10-21 2019-12-31 Crrc Qingdao Sifang Co., Ltd. Coupling assembly and rail vehicle having same

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110511

Effective date of abandoning: 20121003