JPH068355Y2 - Double type shock absorber - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a double type shock absorber for a railway vehicle using two rubber shock absorbers.

(Prior Art) In order to improve the riding comfort of a vehicle, two rubber shock absorbers are used, and the pulling force and the pushing force applied to the vehicle body are received by separate rubber shock absorbers. Double type shock absorbers as shown in FIG. 4 are used in railway vehicles.

Reference numeral 1 denotes a frame body, and a connecting portion 1c including an opening 1c 'and a through hole 1c "orthogonal to the opening 1c' is provided at a tip end portion of the both side plates 1a, 1b. The joint 2 is inserted into the opening 1c 'of the connecting portion with the axis of the vertical hole 2a aligned with the through hole 1c ", and the vertical pin 3 is inserted from below. The joint 2 is pivotally supported by the frame body 1 by being inserted into the hole 1c ″ and the joint hole 2a. The joint 2 is attached to the connector 10 of the vehicle by the lateral pin 11 inserted into the lateral hole 2b. It is pivotally supported.

A front companion plate 4'is arranged on the front side of the partition plate 1d, and the partition plate 1
A rear companion plate 5'is arranged on the rear side of d, and a partition plate 1d and a front companion plate 4 '
The first shock absorber 6 is disposed between the first shock absorber 6 and the second shock absorber 7 and the second shock absorber 7 is disposed between the partition plate 1d and the trailing plate 5 '. By applying compression, both side ends of the front companion plate 4'are attached to the front inner side surface 13a of the companion plate guard 13 fixed to the vehicle body 12, and both sides of the rear companion plate 5'are attached to the rear inner side surface 13a 'of the companion plate guard 13. The ends are locked.

In the state as described above, the double shock absorber is used.

Next, a procedure for attaching and detaching the frame body 1 into which the vertical pin 3 is inserted from below from between the front and rear inner side surfaces 13a and 13a 'of the guard plate will be described.

Reference numeral 8 denotes a shock absorber tightening bolt, which is a bolt hole 4'a in the front companion plate 4 ', a broth hole 6a in the first shock absorber 6, and a partition plate 1d.
To the bolt hole 1d ', the second shock absorber 7 to the bolt hole 7a,
A female screw 5'a is coaxially provided on the backing plate 5 ', respectively.

Then, attach the shock absorber tightening bolt 8 to the bolt hole 4'of the front companion plate.
Inserted from a, inserted into each bolt hole 6a, 1d ', 7a, and screwed into the female screw 5'a to fully compress the first shock absorber 6 and the second shock absorber 7, and to bring the both support plates 4', 5 '. In front of Mamoru Ban
The frame body 1 is positioned on the vehicle body 12 by inserting it between the rear inner side surfaces 13a and 13a ', and the rear frame support 15 is attached to the vehicle body side. Next, loosen the shock absorber tightening bolt 8 from the opening 1c 'side,
Alternatively, the both side ends of each companion plate 4 ′, 5 ′ are locked to the front and rear inner side surfaces 13a, 13a ′ of the companion plate guards, and the first shock absorber 6 and the second shock absorber 7 are removed. Apply the specified initial compression and install. After that, insert the joint 2 into the opening 1c ',
Insert the vertical pin 3 into the through hole 1c ″ and the vertical hole 2a from below,
The front frame support 14 is attached to the vehicle body side. Reference numeral 16 indicates a floor plate of the vehicle.

The mounting of the frame 1 on the vehicle body 12 is completed as described above. Also, to inspect and repair the double type shock absorber,
When removing from the vehicle body 12, the front frame support 14 is removed from the vehicle body side, the vertical pin 3 is pulled out downward, and the joint 2 is connected to the connector 10.
It is separated from the frame body 1 in the state of being attached to. Next, from the opening 1c 'side, the shock absorber tightening bolt 8 is inserted into the female screw 5'of the backing plate.
It is screwed into a to compress the first shock absorber 6 and the second shock absorber 7, and the front and rear inner side surfaces 13a and 13a 'of the guard plate and both the guard plates.
A gap is formed between 4'and 5 ', the rear frame support 15 is removed from the vehicle body side, and the frame body 1 is removed from the vehicle body 12.

(Problems to be solved by the invention) The fitting of the double type shock absorber in which the vertical pin 3 is inserted from below from the joint 2 that is pin-coupled to the coupler 10 and is pin-coupled to the frame 1 is mounted on the vehicle body 12 as described above. However, depending on the vehicle model, a double type shock absorber in which the vertical pin 3 is inserted from above may be required. In this case, at the time of mounting on the vehicle, the floor plate 16 of the vehicle interferes with the insertion of the vertical pin 3 into and out of the frame body 1, and therefore the joint 2 is previously framed by the vertical pin 3. The double shock absorber is attached to the vehicle body 12 in a state of being pin-connected to the body 1. Therefore, the shock absorber tightening bolt 8 cannot be handled using the opening 1c '.

(Means for Solving the Problems) The present invention has been made in view of the above circumstances, and in a state in which a joint that is pin-coupled to a connector of a vehicle is pin-coupled to a frame,
The frame is mounted on the vehicle body to enable the use as a double type shock absorber, and the structure thereof is as follows.

A connecting portion for axially supporting a joint for pin-connecting to a vehicle connector with a vertical pin is provided at the tip of both side plates, and the front side of the partition plate of a frame body having a partition plate in the middle of the both side plates. The front companion plate, the rear companion plate on the rear side of the partition plate, the partition plate and the front companion plate as the first shock absorber, and the partition plate and the rear companion plate as the second shock absorber. In the double type shock absorber that sandwiches each of them and locks both companion plates to the companion plate guard to provide initial compression, a bolt hole for inserting the shock absorber tightening bolt is formed in the rear companion plate, the second shock absorber, the partition plate and It is a double type shock absorber in which the first shock absorber is provided so as to penetrate therethrough, and a female screw for screwing the shock absorber tightening bolt is provided in the front companion plate.

(Operation) Therefore, when mounting the double type shock absorber in which the joint for pin-connecting to the connector of the vehicle is pivotally supported by the vertical pin at the joint portion of the frame body to the vehicle body, the shock absorber tightening bolt is used. From the opposite side of the joint portion of the frame body, insert into the bolt hole penetrating the back companion plate, the second shock absorber, the partition plate and the first shock absorber, and screw into the female screw of the front companion plate to form the first shock absorber and the second shock absorber. Compress the vessel with both side plates,
After positioning both companion plates between the front and rear inner sides of the companion plate guard, unscrew the shock absorber tightening bolts and pull out the two companion plates to the companion plate guard, 2 Use the buffer with initial compression.

In addition, when removing the double type shock absorber from the vehicle body, the shock absorber tightening bolt is screwed into the female screw of the front companion plate from the side opposite to the connecting portion of the frame body in the same manner as when mounting the double shock absorber, and the first shock absorber and the second shock absorber This is done by compressing the shock absorber and both side plates and separating both side plates from the front and rear inner surfaces of the side plate guard.

(Example) A double type shock absorber according to the present invention will be described with reference to Figs.

Reference numeral 1 is a frame, 1a and 1b are side plates, 1c is a connecting portion, 1c 'is an opening provided in the connecting portion 1c, 11c "is a through hole orthogonal to the opening 1c', 1d is a partition plate, and 1d 'is a bolt hole, 2 is a joint,
2a is a vertical hole, 2b is a horizontal hole, 3 is a vertical pin inserted from above, 6 is a rubber first shock absorber, 6a is a bolt hole, 7 is a rubber second shock absorber, 7a is a bolt hole, 8 is a shock absorber tightening bolt, 10 is a vehicle connector, 11 is a lateral pin, 12 is a vehicle body, 13 is a guard plate, 13a and 13a 'are front and rear inner side faces of the guard plate, and 14 is a front frame support. , 15 is a rear frame support, and 16 is a floor plate of the vehicle, which is not substantially different from the conventional example.

Reference numeral 4 denotes a front companion plate, which is provided with a female screw 4a, and 5 is a rear companion plate, which is provided with a bolt hole 5a.

The vertical pin 3 is inserted into the through hole 1c ″ and the vertical hole 2a from above in the joint 2 inserted through the opening 1c ′, and the joint 2 is preliminarily pin-joined to the joint portion 1c of the frame body.

On the front side of the partition plate 1d having the frame body with bolt holes 1d ',
A front companion plate 4 provided with an internal screw 4a is arranged, a rear companion plate 5 provided with a bolt hole 5a is arranged on the rear side of the partition plate 1d, and between the partition plate 1d and the front companion plate 4. A rubber first shock absorber 6 having a bolt hole 6a and a rubber second shock absorber 7 having a bolt hole 7a are arranged between the partition plate 1d and the trailing plate 5.

Next, the operation of the present invention will be described.

Insert the shock absorber tightening bolts 8 from the side opposite to the coupling portion 1c, that is, from the backing plate 5 side, to the bolt holes 5a, 7a, 1d ', 6 respectively.
a and insert it into the female screw 4a of the front companion plate to compress the first shock absorber 6 and the second shock absorber 7, and measure the length from the front surface of the front companion plate 4 to the rear surface of the rear companion plate 5 It is arranged so that it is fitted between the front and rear inner side surfaces 13a, 13a 'of the guard plate fixed to 12.

Then, the both side plates 4 and 5 are attached to the front and rear inner side surfaces 13 of the side plate.
The front frame holder 14 and the rear frame holder 15 are mounted on the vehicle body side while being positioned between a and l3a ', and the frame body 1 is held on the vehicle body 12.

Next, the shock absorber tightening bolt 8 is unscrewed and withdrawn, both ends of both companion plates 4 and 5 are locked to the front and rear inner side surfaces 13a and 13a 'of the counter plate guard, respectively, and the first shock absorber 6 And the second
The buffer 7 is used after being given an initial compression.

In addition, the vehicle body 1 for inspection and repair of the double type shock absorber
For removal from 2, the shock absorber tightening bolt 8 is inserted from the rear companion plate 5 side into the bolt holes 5a, 7a, 1d ', 6a, and screwed into the female screw 4a of the front companion plate to remove the first shock absorber 6a. And the second
The shock absorber 7 is compressed, the front and rear inner side surfaces 13a and 13a 'of the guard plates of both companion plates 4 and 5 are unlocked, and then the front and rear frame supports 14 and 15 are removed from the vehicle body side. Done.

(Effects of the Invention) As can be understood from the above description, the double-type shock absorber according to the present invention has the following effects.

A joint for pin coupling to the vehicle connector, at the joint of the frame,
When mounting and removing the double type shock absorber that is pre-pin-joined with the vertical pin on the vehicle body, use the shock absorber tightening bolts to perform two shock absorbers in the frame body only from the rear side of the frame body. By compressing or extending the container, the front and rear companion plates can be detached from the companion plate guards or locked to the companion plate guards. Removes the shock absorber tightening bolts,
It was possible to prevent the shock absorber tightening bolts from falling off and to make noise, and it was also possible to use a double-type shock absorber with a frame body in which vertical pins were inserted from above.

[Brief description of drawings]

FIG. 1 shows an embodiment of a double type shock absorber according to the present invention.
FIG. 2 is a plan view showing, in a half section, a state in which it is inserted between the front and rear inner side surfaces of the guard plate of the vehicle body, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. FIG. 4 is a view showing a conventional example of the device similarly to FIG. 1, and FIG. 4 is a sectional view taken along line IV-IV of FIG. 1: frame, 1a, 1b: side plate, 1c: connecting part, 1c ':
Opening, 1c ″: through hole, 1d: partition plate, 1d ′: bolt hole,
2: Joint, 2a: Vertical hole, 2b: Horizontal hole, 3: Vertical pin, 4:
Front companion plate, 4a: female screw, 5: rear companion plate, 5a: bolt hole,
6: 1st shock absorber, 6a: bolt hole, 7: 2nd shock absorber, 7
a: bolt hole, 8: shock absorber tightening bolt, 10: connector,
12: vehicle body, 13: companion plate guard, 13a, 13a ': front and rear inner surface (of companion plate guard).

Claims (1)

[Scope of utility model registration request] Claim: What is claimed is: 1. A frame body in which a joint portion for pivotally supporting a joint for pin-coupling to a connector of a vehicle by a vertical pin is provided at a tip end portion of both side plates, and a partition plate is provided at an intermediate portion of the both side plates. The front companion plate is arranged on the front side of the partition plate, the rear companion plate is arranged on the rear side of the partition plate, the first shock absorber is composed of the partition plate and the front companion plate, and the partition plate and the rear companion plate. In a double type shock absorber in which a second shock absorber is sandwiched and both companion plates are locked to the companion plate guard to provide initial compression, a bolt hole through which a shock absorber tightening bolt is inserted is formed in the rear companion plate and the second shock absorber. It is provided by penetrating the container, partition plate and first shock absorber,
A double type shock absorber, characterized in that a female screw for screwing the shock absorber tightening bolt is provided on the front companion plate.