CN201099258Y - Railway carriage trucks coupler safety hook chain device - Google Patents

Abstract

The utility model relates to a railway freight car drafting and coupling mechanism, in particular to a safety device for a coupler of a railway freight car. According to the utility model, a base plate is fixed below the end of a draft sill of the railway freight car; an upper baffle plate and a lower baffle plate are installed and welded on the base plate; a front baffle plate is installed and welded in front of the upper baffle plate and the lower baffle plate to form a safety chain seat. A supporting hole is arranged on the front baffle plate; a buffer rod body which is positioned in the safety chain seat passes through the supporting hole; the buffer rod body in the safety chain seat is sheathed with a buffer spring and a moving block. The other end of the buffer rod body is the head of the buffer rod body with a connecting hole arranged on the end thereof, a chain link is connected via the connecting hole, and a hook head is connected with the chain link. The railway freight car drafting and coupling mechanism has the advantage that emergency protection measures can be provided for the coupler of the railway freight car when necessary, thereby maximizing the operational safety of the railway freight car.

Description

A kind of railway goods train hook safety hook-chain mechanism

Technical field

The utility model relates to a kind of railway truck traction and connects on-hook structure, the especially safety guard of railway freight car hitch.

Background technology

As everyone knows, owing to there are very big difference in countries in the world railway road conditions, rolling stock maintenance system, the condition of public security etc., the application operating mode of railway truck is far from it.The country that has because poor, the rolling stock of railway road conditions maintenance system is unsound, social security disorderly, cause that technology state of vehicle is poor, parts are lost, badly broken, critical component fault rate height seriously jeopardizes traffic safety.Therefore, need take the necessary security safeguard to some critical component that may jeopardize traffic safety, to guarantee the traffic safety of train.

Summary of the invention

Problem to be solved in the utility model is exactly to provide a kind of safety device that is applicable to railway freight-car coupler---safety hook-chain mechanism at above demand, during coupling of vehicles, the safety hook-chain mechanism that is installed in every joint vehicle two ends is also even hung with adjacent shackles immediately, to guarantee the traffic safety of train.The employing technical scheme is as follows:

It is a fixed base plate below railway truck draw beam end, and assembly welding has overhead gage and lower baffle plate on seat board, is welded with front apron in the previous groups of upper and lower baffle plate and constitutes the snubber chain seat.On front apron, have supported hole, pass a shock strut body through supported hole and be positioned at the snubber chain seat, be set with recoil spring and active block stop on the shock strut body in the snubber chain seat.The shock strut body other end is the shock strut head, and the end of shock strut head has connecting bore, and by the connecting bore lugless joining shackle, chain link is connected with gib head.

The utlity model has following advantage:

1, train is in the operation way; when causing hitch to lose efficacy separation for a certain reason; because the traction of safety hook-chain mechanism connects the extension effect; train still can continue to connect extension and move to the safety stop circuit; be unlikely to separate the parking separation accident of train that cause at mainline railway because hitch loses efficacy; the emergency protection measure is provided for the hitch of tractor-trailer train, at utmost ensures train traffic safety.2, easy to use, safe and reliable.3, simple in structure, easy to maintenance.4, recoil spring adopts gauge member, and commonality is good, and maintenance is simple.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is Figure 1A-A cutaway view;

Fig. 3 is snubber chain apparatus structure scheme drawing;

Fig. 4 is snubber chain holder structure scheme drawing;

Fig. 5 is the shock strut structural representation;

Fig. 6, for Fig. 5 B to view.

Among the figure, the 1st, snubber chain seat, the 1.1st, seat board, the 1.2nd, front apron, the 1.3rd, overhead gage, the 1.4th, lower baffle plate; The 2nd, snubber chain device, the 2.1st, shock strut body, the 2.11st, shock strut head, the 2.2nd, gib head, the 2.3rd, chain link, the 2.4th, connecting bore, the 2.5th, boss; The 3rd, recoil spring; The 4th, active block stop; The 5th, the railway truck hook; The 6th, railway truck draw beam, the 6.1st, mounting hole; The 7th, hitch.

The specific embodiment

Referring to Fig. 1-Fig. 6, the utility model is to connect seat board 1.1 by mounting hole 6.1 usefulness bolts or rivet below railway truck draw beam 6 ends.Assembly welding has overhead gage 1.3 and the lower baffle plate 1.4 that is parallel to each other on seat board 1.1, is welded with the front apron vertical with upper and lower baffle plate 1.2 in the previous groups of upper and lower baffle plate, and overhead gage 1.3, lower baffle plate 1.4 and front apron 1.2 constitute snubber chain seats 1.On front apron 1.2, have supported hole 1.21, pass a shock strut body 2.1 through supported hole 1.21 and be positioned at snubber chain seat 1, be set with recoil spring 3, active block stop 4 and nut, female, the spring cotter of the locking back of the body on the shock strut body 2.1 in snubber chain seat 1, active block stop 4 is vertically between overhead gage 1.3 and lower baffle plate 1.4.Supported hole 1.21 is the rectangle supported hole, and the cross section of shock strut body 2.1 is a rectangle.Recoil spring 3 is the buffer mediums that adopt the gauge member disk spring to form.The shock strut body other end is a shock strut head 2.11, be positioned at outside the snubber chain seat 1, the end of shock strut head is an annulus, the center of annulus constitutes connecting bore 2.4, the neck of shock strut head and shock strut body engagement place have boss 2.5, connect the chain link 2.3 that interlocks more than two by connecting bore 2.4, chain link 2.3 is connected with gib head 2.2, constitutes flexible chain hook.On the railway truck end carriage, rivet or be welded with hook 5.

The utility model principle of work is as follows: during coupling of vehicles, and hitch and be installed in the safety hook-chain mechanism at every joint vehicle two ends and adjacent shackles connects extension simultaneously.Safety hook-chain mechanism plays the security insurance effect.

Train is in the operation way, when causing hitch to lose efficacy separation for a certain reason, because the traction of safety hook-chain mechanism connects the extension effect, train still can continue to connect extension and move to the safety stop circuit, is unlikely to separate the parking separation accident of train at mainline railway that cause because hitch loses efficacy.The emergency protection measure is provided for the hitch of tractor-trailer train.

Safety hook-chain mechanism connects when hanging, and gib head 2.2 connects on the gib head 2.2 that hangs over adjacent safety hook-chain or on the chain link 2.3.Safety hook-chain mechanism is when being subjected to tractive force, the pulling force of gib head 2.2 is delivered to the head 2.11 of shock strut body 2.1 by chain link 2.3, drive shock strut body 2.1 with respect to snubber chain seat moving by a small margin, simultaneously since the supported hole 1.21 of front apron 1.2 match with the square-section of shock strut body 2.1 front ends, make chain hook be subjected to pulling force after shock strut body 2.1 can only move forward and backward and can not rotate.Drive active block stop 4 compression recoil springs 3 when shock strut body 2.1 is subjected to pulling force, because the buffering shock damping action of recoil spring 3, consume and absorbed most of kinetic energy, slowed down the rigid shock power of chain hook greatly, realized the function of chain hitch.The shackles that interconnection is mutually hung can not decompose disengaging automatically, the reliability that the company of assurance hangs.Safety hook-chain mechanism is in non-company when hanging state, and gib head 2.2 hangs on the hook 5 and gets final product.

Claims (8)

1, a kind of railway goods train hook safety hook-chain mechanism, it is characterized in that at below, draw beam (6) end fixed base plate (1.1), go up assembly welding at seat board (1.1) overhead gage (1.3) and lower baffle plate (1.4) are arranged, last, the previous groups of lower baffle plate is welded with front apron (1.2) and constitutes snubber chain seat (1), on front apron (1.2), have supported hole (1.21), pass a shock strut body (2.1) through supported hole (1.21) and be positioned at snubber chain seat (1), be set with recoil spring (3) and active block stop (4) on the shock strut body (2.1) in snubber chain seat (1), the shock strut body other end is shock strut head (2.11), the end of shock strut head has connecting bore (2.4), by connecting bore (2.4) lugless joining shackle (2.3), chain link (2.3) is connected with gib head (2.2).

2, railway goods train hook safety hook-chain mechanism as claimed in claim 1 is characterized in that the installation that is parallel to each other of overhead gage (1.3) and lower baffle plate (1.4), and front apron (1.2) is installed with upper and lower baffle plate is vertical.

3, railway goods train hook safety hook-chain mechanism as claimed in claim 1 is characterized in that active block stop (4) vertically is positioned between overhead gage (1.3) and the lower baffle plate (1.4).

4, railway goods train hook safety hook-chain mechanism as claimed in claim 1 is characterized in that in the end of the shock strut body (2.1) that is positioned at snubber chain seat (1) nut being installed.

5, railway goods train hook safety hook-chain mechanism as claimed in claim 1, it is characterized in that the shock strut head is positioned at outside the snubber chain seat (1), the end of shock strut head is an annulus, the center of annulus constitutes connecting bore (2.4), and the neck of shock strut head and shock strut body engagement place have boss (2.5).

6, railway goods train hook safety hook-chain mechanism as claimed in claim 1 is characterized in that supported hole (1.21) is the rectangle supported hole, and the cross section of shock strut body (2.1) is a rectangle.

7, railway goods train hook safety hook-chain mechanism as claimed in claim 1 is characterized in that chain link (2.3) interlocks with contrachain ring by two to constitute.

8, railway goods train hook safety hook-chain mechanism as claimed in claim 1 is characterized in that being equipped with hook (5) on end carriage.

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