CN201021298Y

CN201021298Y - Joint sealing type car coupler uncoupling device for train

Info

Publication number: CN201021298Y
Application number: CNU2007200360939U
Authority: CN
Inventors: 杜利清; 吴刚; 田国明; 姜晓东; 王起梁
Original assignee: CSR Qishuyan Institute Co Ltd
Current assignee: CRRC Qishuyan Institute Co Ltd
Priority date: 2007-04-18
Filing date: 2007-04-18
Publication date: 2008-02-13
Anticipated expiration: 2017-04-18

Abstract

The utility model relates to a vehicle hook which can be used to connect each vehicle of trains; the utility model comprises a convex-cone chassis which is provided with a convex-cone back seat thereon; the front of the convex cone back seat is connected with a convex cone; the back side of the convex-cone chassis is a round arc-shaped face; the round arc-shaped face, together with the front end of the upper arm of the convex cone chassis, limits a hemispherical-shaped or semi-cylindrical-shaped hook tongue therein; the hook tongue is connected with a deconstruction pole which is inserted in a slant way between the front end and the back end of the upper arm of the convex-cone chassis; the upper arm of the convex-corn chassis is provided with a resetting spring, the front end of which is hooked with the deconstruction pole; a concave cone is arranged between the upper arm and the lower arm of the convex-cone chassis; the convex cone can insert in the concave cone which matches with the convex cone in clearance way; the back end of the convex cone chassis is provided with a connecting opening; a lock device is arranged on the deconstruction pole and the lower wall of the convex cone chassis; with simple structure, reliable effect and high operational security, the utility model can be beneficial to improve the marshaling efficiency of trains.

Description

The train tight-lock coupler-uncoupling device

Technical field

The utility model relates to a kind of hitch that is used for connecting each vehicle in the train, and particularly a kind of train tight-lock coupler-uncoupling device belongs to railway car connecting device technical field.

Background technology

Hitch is that vehicle substantially the most also is one of most important parts.It is to be used for connecting that each vehicle makes it to maintain a certain distance each other in the train, and transmits longitudinal force or impulsive force that train is in operation or is produced when shunting.Along with China's rapid economy development, motor train unit and rapid transit railway vehicle all need tight lock coupler functional in a large number, reliable effect between a large amount of city undergrounds and city.

Because the some shortcomings that domestic existing tight lock coupler exists are difficult to satisfy the demand in market.Wherein the uncoupling technology of tight lock coupler is directly connected to reliability, safety of operators and the working strength of hitch and the efficient of train marshalling list.And parts such as China existing tight lock coupler (Fig. 1) mainly comprises convex cone back seat 4, hook tongue 5, separates shank 2, retracing spring 1 and pin 3.

The uncoupling process following (Fig. 2, Fig. 3 and Fig. 4) of existing tight lock coupler: operating personal takes out pin 3 earlier, the pulling force that overcomes retracing spring 1 is then pulled and is separated shank 2, when pulling the uncoupling position pin 3 is inserted into will separate shank 2 in the pinhole 17 of convex cone back seat 4 and be fixed on the uncoupling position.This moment is as long as train separates hitch and will separate automatically; Hitch separately after, operating personal will take out pin 3 and make and separate shank 2 and automatically reset under the effect of retracing spring 1, get back to and wait to hang the position, hang for company next time and get ready, and at last pin 3 be put back to original position and finish uncoupling.Owing to generally can only be finished by a people during uncoupling, so operating personal pulls and also pin 3 will be inserted in the pinhole 17 of convex cone back seat 4 when separating shank 2 overcoming bigger spring tension, make to separate shank 2 and be in the uncoupling position, so the one man operation difficulty is bigger; And also need from pinhole, to take out pin 3 after separately at hitch and make and separate shank 2 and get back to and wait to hang the position, for connect next time hang ready.Pin 3 also requires to be convenient to operating personal and takes off and load onto, and can not come off in train travelling process, otherwise just can't finish uncoupling.Reasons such as the uncoupling device of this type hitch exists reliability and poor stability, working strength is big, efficient is low can not satisfy the demand for development of product.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of simple in structure, reliable effect is provided, higher processing safety is arranged and helps to improve the train tight-lock coupler-uncoupling device of the efficient of train marshalling list.

The technical scheme that provides according to utility model, on the convex cone base, be provided with the convex cone back seat, convex cone back seat front is connected with convex cone, convex cone bottom rear side is an arc-shaped surface, this arc-shaped surface and convex cone base) the upper wall front end limits semisphere or semi-cylindrical hook tongue in it jointly, be connected with the destructing bar on the hook tongue, this destructing bar tilts to intert between convex cone base upper wall front end and convex cone rear end, the convex cone base upper wall is provided with retracing spring, end hook is located on the destructing bar before the retracing spring, be provided with concave cone between the lower wall of the upper wall of convex cone base and convex cone base, this concave cone can allow convex cone insert and plug together with the convex cone gap, the convex cone base rear end is provided with communication port, it is characterized in that: be provided with latching system on destructing bar and convex cone base lower wall.

In latching system, on the destructing bar boss is set, on convex cone base lower wall, hook lock is set, the snap close boss that cooperates snap close with boss is set on hook lock.Be provided with guide ledges on the convex cone top.When the snap close boss is arranged on the destructing bar and leans on the convex cone rear end and on the contour position of guide ledges.

The utility model mainly relies on to be arranged on and is provided with on the hook lock that is provided with on the boss separated on the shank, the convex cone base lower wall and the hook lock and separates snap close boss that the shank boss matches and finish uncoupling and move.Its simple in structure being convenient to is processed, is installed reliably, has avoided coming off of the latching system in the train travelling process, and does not need to take off separately and install when each the use, can substitute pin used when having tight-lock coupler-uncoupling now fully.During uncoupling, operating personal is pulled and is separated the operation that just can need not other after shank makes it be fastened by hook lock away from vehicle, improved processing safety, and the staff only need operate once just can finish the uncoupling action, and make tight lock coupler return to position to be hung automatically, needing when using pin having avoided manually taking out from pinhole pin makes hitch return to position to be hung, therefore shorten the time of uncoupling greatly and linked up with setup time, alleviate the working strength of operating personal, improved the efficient of train marshalling list.

Description of drawings

Fig. 1 is existing tight lock coupler structural representation.

Fig. 2, Fig. 3 and Fig. 4 are existing tight-lock coupler-uncoupling process scheme drawings.

Fig. 5 is a tight lock coupler structural representation of the present utility model.

Fig. 6, Fig. 7 and Fig. 8 are uncoupling process scheme drawings of the present utility model.Wherein Fig. 6 is uncoupling reference position figure; Fig. 7 is that pulling is separated shank to hook tongue and is horizontal figure; Fig. 8 is two constitutions diagram that hitch breaks away from mutually.

Fig. 9 is the upward view of Fig. 6.

Figure 10 and Figure 11 are fundamental diagrams of the present utility model.

The specific embodiment

As shown in Figure 5: on convex cone base 10, be provided with convex cone back seat 4, the front of convex cone back seat 4 is connected with convex cone 8, the bottom rear side of convex cone 8 is an arc-shaped surface 9, it and convex cone base 10 upper wall front ends limit semisphere or semi-cylindrical hook tongue 5 in it jointly, be connected with destructing bar 2 on the hook tongue 5, this destructing bar 2 tilts to intert between convex cone base 10 upper wall front ends and convex cone 8 rear ends, the upper wall of convex cone base 10 is provided with retracing spring 1, the preceding end hook of retracing spring 1 is located on the destructing bar 2, is used for being pulled to hook tongue 5 and being in the lock state separating shank 2.Be provided with concave cone 16 between the lower wall of the upper wall of convex cone base 10 and convex cone base 10, this concave cone 16 can allow convex cone 8 insert and plug together with convex cone 8 gaps, convex cone base 10 rear ends are provided with communication port 11, on destructing bar 2 and convex cone base 10 lower walls, be provided with latching system, this latching system can be the boss 13 that is provided with on the destructing bar 2, the hook lock 6 that on convex cone base 10 lower walls, is provided with, the snap close boss 14 that cooperates snap close with boss 13 is set on hook lock 6, preferably be provided with guide ledges 12 on convex cone 8 tops, and snap close boss 14 is when being arranged on destructing bar 2 and leaning on convex cones 8 rear ends and on the contour position of guide ledges 12.

The principle of work of tight lock coupler as shown in Figure 1, two cars connect when hanging, the convex cone 8 of coupler body injects in the other side's the concave cone 16.At this moment the medial surface of convex cone base 10 is oppressed the other side's hook tongue 5 rotations in advancing, and makes the retracing spring 1 in hook tongue 5 reset attachments stressed, hook tongue 5 anticlockwise directions rotation 40 degree.After two hook joint faces 15 contacted, the medial surface of convex cone 8 was no longer oppressed the other side's hook tongue 5, at this moment, because the effect of retracing spring 1 makes hook tongue 5 return to original state, promptly was in locked position of coupler.During two car uncouplings, pull and separate shank 2 and make it remain on the uncoupling position, two cars just can decompose, and the communication port 11 that afterbody can adopt butt flange or connect pin-and-hole is connected with energy disperser.

Compared with prior art, tight lock coupler has increased hook lock 6, and original pin 3 does not re-use.The uncoupling process as shown in Figure 5, operating personal rides over one of them hook lock 6 on the guide ledges 12 of the other side's hitch earlier during uncoupling, the pulling force that overcomes retracing spring 1 is then pulled and is separated shank 2, the snap close boss 14 of hook lock 6 fastens the boss 13 of uncoupling bar 2 automatically during to the uncoupling position, make and separate shank 2 and be fixed on the uncoupling position, as long as train separates hitch and will separate automatically; Hitch is separated into to a certain degree hook lock 6 and separates shank 2 and will throw off automatically, separates shank 2 after throwing off and automatically resets under the pulling force of spring, and hook lock 6 also automatically resets under the gravity of self, and hitch was in and waited to hang the position this moment, need not other operation of operating personal.This kind structure operation is simple, reliable effect, and higher processing safety is arranged.Operating personal is separated shank 2 and is made it be fastened the back by hook lock 6 just can to need not other operation away from vehicle, guarantee the safety of operating personal, can also shorten the time of uncoupling simultaneously greatly, the efficient of raising train marshalling list pulling.

Claims

1. train tight-lock coupler-uncoupling device, on convex cone base (10), be provided with convex cone back seat (4), convex cone back seat (4) front is connected with convex cone (8), convex cone (8) bottom rear side is arc-shaped surface (9), this arc-shaped surface (9) limits semisphere or semi-cylindrical hook tongue (5) in it jointly with convex cone base (10) upper wall front end, be connected with destructing bar (2) on the hook tongue (5), this destructing bar (2) tilts to intert between convex cone base (10) upper wall front end and convex cone (8) rear end, convex cone base (10) upper wall is provided with retracing spring (1), the preceding end hook of retracing spring (1) is located on the destructing bar (2), be provided with concave cone (16) between the lower wall of the upper wall of convex cone base (10) and convex cone base (10), this concave cone (16) can allow convex cone (8) insert and plug together with convex cone (8) gap, convex cone base (10) rear end is provided with communication port (11), it is characterized in that: be provided with latching system on destructing bar (2) and convex cone base (10) lower wall.

2. train tight-lock coupler-uncoupling device according to claim 1, it is characterized in that: in latching system, boss (13) is set on the destructing bar (2), on convex cone base (10) lower wall, hook lock (6) is set, goes up at hook lock (6) the snap close boss (14) that cooperates snap close with boss (13) is set.

3. train tight-lock coupler-uncoupling device according to claim 1 is characterized in that: be provided with guide ledges (12) on convex cone (8) top.

4. train tight-lock coupler-uncoupling device according to claim 2 is characterized in that: when snap close boss (14) is arranged on destructing bar (2) and leans on convex cone (8) rear end and on the contour position of guide ledges (12).