JPH0729025Y2 - Railway vehicle connecting device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railway vehicle connecting device.

[0002]

2. Description of the Related Art Conventionally, in railway cars, the connecting devices at both ends of the rolling stock are also constructed in the same manner as the intermediate cars, and the connecting plates of the shock absorbers are connected to the supporting plate fixed to the vehicle body side. In general, the head of the container is always projected from the end of the vehicle so that it can be used. Recently, the front end of the leading car has been covered with a curved surface to reduce air resistance, and the design of the car has become more important. I am doing it.

As a conventional pull-out type connecting device, Japanese Patent Publication No.
There is one disclosed in Japanese Patent Publication No. 8-15482. This involves attaching the tip of the piston rod of the double-acting cylinder to the tail end of the connector frame, and moving the connecting device to the forward connectable position and the rearward retracting position by the operation of the double-acting cylinder, The mechanism for mounting the device on the vehicle body is designed to be performed in one operation. As an example of a mechanism for mounting this connecting device on a vehicle body, a mechanism for opening and closing a pawl by the operation of a double-acting cylinder and a mechanism for using a bell crank are described.

[0004]

However, in the above-mentioned conventional example, (a) in order to arrange the cylinder device and the bell crank in addition to the moving range of the connecting device, a large housing is placed behind the connecting device. Need space. (B) Since the use position of the connecting device is fixed to the vehicle body by the claw or the bell crank, it is difficult to obtain sufficient fixing strength in a small size, and the durability is poor.

[0005]

The present invention has been made in view of the above-mentioned conventional technical problems, and the structure thereof is as follows.
A shock absorber that extends in the longitudinal direction of the vehicle body and is movable on a rail fixed to the vehicle body side, and is connected to a beam that supports the connector body so that it can swing, and that does not hinder swinging of the connector body. And, the projections engaging with the both side portions of the pair of companion plates of the shock absorber are provided in the front and rear positions by respectively projecting inwardly facing each other,
And, a companion guard that is provided with ears having through holes at both front and rear positions and is movable back and forth with respect to the vehicle body, and is fixed above the companion guard and fixed to the vehicle body. A main cylinder device in which the tip of the piston rod is connected to the beam;
A fixing pin receiver that is fixed to the vehicle body side and has a fixing pin insertion hole that can communicate with the through hole of the ear portion, and is fixed to the vehicle body side as both side portions of the main cylinder device. A connecting device for a railway vehicle having a through-hole and an auxiliary cylinder device that is inserted into and removed from a fixing pin insertion hole.

[0006]

When the connecting device is not used, the main cylinder device is operated to return, the beam moving on the rail is drawn inward of the vehicle body, and at the same time, the connecting body, the shock absorber and the companion plate are swingably supported by the beam. Both the guards are retracted to a predetermined position inside the vehicle body. Then, the auxiliary cylinder device is moved forward to move the fixing pin, and the fixing pin is inserted into the through hole of the front ear of the companion plate guard and the fixing pin insertion hole of the fixing pin receiver fixed to the vehicle body side. Insert and fix the connector, shock absorber and guard guard to the vehicle body.

When the connecting device is used, the auxiliary cylinder device is operated to return, and the fixing pin is returned to be pulled out from the fixing pin insertion hole of the fixing pin receiver and the front ear portion. Then, the main cylinder device is operated to move forward, the beam on the rail is moved to a predetermined position on the front side of the vehicle body, and the integrated connector body, shock absorber and companion plate guard are moved forward. In this state, the auxiliary cylinder device 8 is moved forward to insert the fixing pin into the through hole of the rear ear of the companion plate protector and the fixing pin insertion hole of the fixing pin receiver, and the companion plate protector is mounted on the vehicle body. Fixed to the side. The pushing force or the pulling force that acts on the connecting device from the outside in a state where the vehicle is connected is absorbed by the buffer device and is transmitted to the protrusion of the plate guard through one plate, and the plate is attached. It is supported on the vehicle body side via the rear ear portion of the protector, the fixing pin, and the fixing pin receiver.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of the present invention. In the figure, reference numeral 1 is a pair of rails extending in the front-rear direction and fixed to the vehicle body side indicated by an imaginary line. A beam 2 is suspended and supported by the shaft of a wheel 1a rolling on the rail 1. There is. Spring boxes 4 are pivotally connected to both sides of the beam 2 so as to be swingable right and left, and lower ends of suspension rods 4b arranged in the spring boxes 4 via coil springs 4a are fixed to a connector body 3. Has been done. Thus, the connector body 3 can be elastically swung up, down, left and right with respect to the beam 2.

The connector body 3 is supported by the companion plate guard 6 via a shock absorber 5. The shock absorber 5 includes a pair of companion plates 5a and 5a.
It is a known shock absorber including a shock absorber 5c, a frame 5d, and a joint 5e, which are usually made of rubber b. The rear end portion of the connector body 3 is connected to the front end portion of the joint 5e by the pin 13a extending left and right, and the rear end portion of the joint 5e extends vertically by the pin 13b. Is connected to the front end of the. Thus, the swinging motion of the connector body 3 is freely performed with respect to the shock absorber 5.

The companion plate guard 6 has projections 6a and 6b which are located at the front and rear and are provided so as to project inwardly facing each other.
The front surface or the rear surface of both sides of each companion plate 5a, 5b is normally locked by a, 6b. Reference numerals 6c and 6d are ears provided with through holes 6c 'and 6d', respectively, and are provided at front and rear positions outside the companion plate guard 6. When the connecting device is not used, the through hole 6c 'of the front ear portion 6c is aligned with the fixing pin insertion hole 10a of the fixing pin receiver 10 fixed to the vehicle body side,
When the coupling device is used, that is, in the pulled-out state, the rear ear portion 6d
The through hole 6d 'is adapted to match the fixing pin insertion hole 10a. Thus, the companion plate guard 6 is guided by a guide (not shown) so that only the movement in the front-rear direction is allowed on the vehicle body side. Reference numeral 11 denotes a roller arranged on the vehicle body side, which supports the frame 5d of the shock absorber 5 and the lower surface of the companion plate guard 6 to facilitate the forward and backward movement of the connecting device.

Reference numeral 7 denotes a double-acting main cylinder device which is operated by air pressure or hydraulic pressure, is located above the companion plate guard 6 and the shock absorber 5, and is fixedly installed on the vehicle body side, and its piston rod 7a is provided.
The tip of the pin is pin-connected to the rear end of the beam 2. Therefore, the double-acting main cylinder device 7 is operated to operate the beam 2
By moving back and forth along the rail 1, the connector body 3 can be moved back and forth. Reference numeral 8 denotes a double-acting sub-cylinder device that is located on both sides of the main cylinder device 7 and is fixed to the vehicle body side and that operates by air pressure or hydraulic pressure.
The pin a is pin-coupled to the base end of a lever 8c having a bell crank shape. The bell crank-shaped lever 8c is pivotally supported by a bracket 8b fixed to the vehicle body so that the middle portion thereof can swing.
The tip portion has a two-pronged shape, and an arcuate hole 8c 'is formed in each.

Reference numeral 9 is a fixing pin, and a pin 9a provided on the upper end portion and projecting to both sides at a right angle to the axis engages with the pair of arcuate holes 8c '. Further, the fixing pin 9 can be moved only up and down by being guided by the guide member 12 fixed to the vehicle body at the intermediate portion thereof. Therefore, the lever 8c is operated by the double-acting auxiliary cylinder device 8 to move the fixing pin 9 to the position shown in FIG.
It can be moved up and down, and thereby the fixing pin receiving hole 10a of the fixing pin receiver 10 and the through hole 6c 'of the front ear portion 6c or the through hole 6d' of the rear ear portion 6d. The fixing pin 9 can be inserted and removed freely.

Next, the operation of the above embodiment will be described.
FIG. 1 shows a state in which the connecting device is pulled out and can be connected. That is, in the state in which the main cylinder device 7 is in the forward operation, the beam 2 pin-joined to the tip end portion of the piston rod 7a takes the forward position by the wheel 1a rolling on the rail 1. Since the connector body 3 is elastically supported with respect to the beam 2 via the coil spring 4a, the shock absorber 5 and the companion plate guard 6 integrated with the connector body 3 are pulled out together with the beam 2. It is in a predetermined position where it can be connected. In this state, if the auxiliary cylinder device 8 is moved forward to lower the tip of the lever 8c, it is fixed to the through hole 6d 'of the rear ear 6d and the fixing pin insertion hole 10a of the fixing pin receiver 10. The pin 9 is inserted. Thus, the companion plate guard 6 is mechanically fixed to the vehicle body side.

When a pushing force or a pulling force is applied to the connecting device in the connected state of the vehicle, one companion plate 5a or 5b moves through the connecting body 3, the joint 5e and the frame 5d, so that a rubber cushion is used. The container 5c is compressed and deformed, and is transmitted to the projection 6b or 6a of the companion plate guard 6 through the other companion plate 5b or 5a, and then the rear ear portion 6d and the fixing pin 9 are provided.
Also, it is received on the vehicle body side via a pair of fixing pin receivers 10. In this way, the cushioning device 5 functions and is cushioned, and the companion plate guard 6 is firmly supported on the vehicle body side by the fixing pin 9. Further, the connector body 3 is supported by the rail 1 via the suspension rod 4b, the coil spring 4a, the spring box 4 and the beam 2, and the spring box 4 is pin-coupled to the beam 2. It elastically swings up, down, left, and right to follow the curve passage of the vehicle.

On the other hand, when the connecting device is not used, for example, when it is located at both ends of the rolling stock, the pair of sub-cylinder devices 8 are actuated back to raise the tip of the lever 8c and pull up the fixing pin 9. Fixing pin receiver 10 and rear ear portion 6d
Pull out from. Next, the main cylinder device 7 is actuated back to restore the beam 2, and the integral connector body 3, shock absorber 5, and companion plate guard 6 are retracted to predetermined positions. In this state, the pair of auxiliary cylinder devices 8 are operated to move forward, and the pair of fixing pins 9 are inserted into the through holes 6c 'of the front ear portion 6c.
And, the companion plate protector 6 is mechanically fixed to the vehicle body side by inserting them into the fixing pin insertion holes 10a of the fixing pin receivers 10, respectively.

By the way, in this embodiment, the pair of rails 1
Although the beam 2 is suspended and supported, the rail 1 can be replaced by various guide members. For example, one I-shaped rail can be used and the beam 2 can be suspended and supported on both sides thereof. Further, although the fixing pin 9 is configured to be operated via the lever 8c, the lever 8c may be omitted and the fixing pin 9 may be directly operated by the sub cylinder device 8. In that case, the sub cylinder device 8 is arranged vertically. Further, the main cylinder device 7 or the sub cylinder device 8 is
It is also possible to use a spring return type single acting cylinder.

[0017]

[Effect of the Invention] As can be understood from the above description,
According to the present invention, the following effects can be obtained. (1) Since the connecting device is retracted to the lower portion of the vehicle body when not in use, the front surface of the vehicle body can be covered with a curved surface that can be opened and closed to improve the aesthetics of the vehicle and reduce air resistance. (2) Since the main cylinder device or the like, which is the drawing device of the coupling device, is arranged above the coupling device, the coupling device is compactly accommodated at the end of the vehicle, and the accommodation space in the vehicle front-rear direction is reduced. You can

(3) Since the companion plate guard of the connecting device is mechanically fixed to the fixing pin receiver provided on the vehicle body side with the fixing pin, the pulling force and the pushing force acting on the connecting device are firmly supported. And has excellent durability.

[Brief description of drawings]

FIG. 1 is a side view showing a partial cross-section of a railway vehicle connecting device according to an embodiment of the present invention.

FIG. 2 is a plan view showing a companion plate guard as well.

FIG. 3 is a view showing a line III-III in FIG.

[Explanation of symbols]

1: rail, 2: beam, 3: connector body, 4: spring box,
4a: coil spring, 4b: suspension rod, 5: shock absorber, 5
a, 5b: companion plate, 5c: shock absorber, 5d: frame, 6: companion plate guard, 6a, 6b: protrusion, 6c, 6d: ear, 6c ',
6d ': through hole, 7: main cylinder device, 7a: piston rod, 8: auxiliary cylinder device, 8c: lever, 8c': arc-shaped hole, 9: fixing pin, 9a: pin, 10: fixing pin receiver, 10a: fixing pin insertion hole.

Claims (1)

[Scope of utility model registration request] 1. A beam that extends in the front-rear direction of a vehicle body and is movable on a rail fixed to the vehicle body side, and a beam that supports the connector body so that it can swing, and a beam that swings the connector body is not hindered. The shock absorbers to be connected and the projections engaging with the both side portions of the pair of companion plates of the shock absorbers are provided in the front and rear positions so as to face each other inward, and the ear portions having the through holes are provided at the front and rear positions on both sides. And a main body that is fixed above the companion plate guard body and fixed to the car body side so that the piston rod tip is connected to the beam. A cylinder device, a fixing pin receiver fixed to the vehicle body side and having a fixing pin insertion hole capable of communicating with the through hole of the ear portion, and fixed to both sides of the main cylinder device on the vehicle body side and fixed respectively. For inserting / removing the work pin into / from the through hole and fixing pin insertion hole A railway vehicle connecting device, comprising: a cylinder device.