JPH02133277A - Body supporting device for railway rolling stock - Google Patents

Abstract

PURPOSE:To enable maintenance work to be facilitated of a supporting member of a center pin by providing the center pin, center pin receiver inserting the pin to be fitted and accumulating lubricating oil and a cover member being able to be mounted and removed in a bottom surface of the pin receiver. CONSTITUTION:In case of replacing lubricating oil 6 in a center pin receiver 4, the lubricating oil 6 is discharged by removing a holder 4a. Thereafter in a condition mounting the holder 4a, a connecting pin 7 is removed supplying oil from its work hole. Accordingly, without separating a bolster 3 from a body 1, replacement work of the lubricating oil can be easily performed with the body 1 as supported onto the bolster 3. While in periodic maintenance of a bogie, in separating work from the body 1, it can be easily separated from the bolster 3 only by rotating the connecting pin 7 from the work hole of the body 1 so that a cotter 13 agrees with a notch (b) of the holder 4a. Further in replacement work of a bash 8 in the center pin receiver 4, the workability can be improved by enabling sufficient work space to be ensured when the holder 4a is left as removed.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a car body support device for a railway vehicle, and is particularly applicable to a vehicle having a structure that allows rotational displacement between a car body and a bogie using a center pin. The present invention relates to a suitable vehicle body support device for a railway vehicle.

[Conventional technology]

A car body support device for a railway vehicle has a structure that allows rotational displacement between the car body and the bogie and propagates traction force. The detailed structure will be explained. A pillow beam is provided on the bogie frame via an air spring, and the bogie frame and the pillow beam are connected by a bolster force. A vehicle body is supported on the pillow beam via side supports, and a center pin provided on the lower surface of the center of the vehicle body is rotatably fitted to the pillow beam. In addition,
Some of the above configurations have a structure in which the positional relationship between the bogie frame and the vehicle body is reversed.

In the configuration described in fuJ, rotational displacement of the bogie in the horizontal plane is allowed between the car body and the pillow beam. therefore,
The center pin is slidably fitted through a bush made of gun metal so that it can rotate relative to the center pin. Further, the center pin was configured to be fitted by being inserted into a hole in the pillow beam from above. Incidentally, related configurations of this type include, for example, Utility Model Publication No. 61-375.
No. 65 etc. are mentioned.

[Problem to be solved by the invention]

In the above-mentioned prior art, a bushing is interposed in the sliding portion of the center pin, and sufficient consideration is not given to the lubrication of this portion. However, when replacing the oil in the oil sump, there is a risk that problems may occur during routine work, such as having to carry out the work after removing the stop pin.

SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle body support device for a railway vehicle in which maintenance work on a center pin support portion can be easily performed.

[Failure to solve the problem]

The above purpose is to provide a center pin provided on one side of opposing members that allow rotation in a horizontal plane between a car body and a bogie, and a center pin provided on the other member to be fitted and inserted, and to apply lubricating oil. This is achieved by comprising a center pin receiver for storing the pin, and an M member detachably provided in a through hole provided on the bottom of the center pin receiver.

[For production]

The center pin receiver described in item 11ff not only rotatably supports the center pin into which the center pin is inserted, but also stores lubricating oil to lubricate the center pin sliding portion. The center pin receiver is provided with the above-mentioned lid member at the bottom thereof, and by removing the lid member, the lubricating oil can be easily replaced without separating the vehicle body and the truck. Maintenance work on the vehicle body support device becomes easier.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to FIGS. 1 to 3.

In the figure, reference numeral 1 denotes a vehicle body supported on a pillow beam 3 via side supports 9. The M pillow beam 3 is supported on a trolley 11 via an air spring 10. Further, the pillow beam 3 and the trolley beam (11) are connected by a bolster force for transmitting the 1iff rear force.

This bolster force is capable of supporting the load of the entire truck against the pillow beam 3. That is, by lifting the pillow beam 3, the entire truck can also be lifted. In addition to the above-mentioned side supports 9, a center plate device is provided between the vehicle body 1 and the pillow beam 3, corresponding to the center position of the bogie. The configuration of the second core plate device will be explained in detail. Reference numeral 2 denotes a center pin fixed to the bottom surface of the vehicle body 1 so that its center axis coincides with the center position of the bogie. The center pin 2 is hollow, and a connecting pin 7, which will be described later, passes through the center pin 2. Reference numeral 4 denotes a center pin receiver formed at the center position of the bogie of the pillow beam 3, and is configured to have a diameter that allows the center pin 2 to be inserted therein. And, on the inner periphery of the center pin receiver 4,
A bushing 8 is provided for receiving the center pin 2. Further, a through hole is formed in the bottom surface of the center pin receiver 4.

Reference numeral 4a denotes a holder corresponding to a lid member configured to fit into a through hole formed in the bottom surface of the center pin receiver 4. The holder 4a is formed into a cylindrical shape extending into the center pin receiver 4, and the coupling pin 7 is configured to be able to pass through the inside. Reference numeral 5 denotes a bolt for fitting the holder 4a into the through hole of the center pin receiver 4 to add the holder 4a. By the way, the center pin receiver 4 has a watertight structure so that the lubricating oil 6 is stored between its inner periphery and the holder 4a. The coupling pin 7 passes through the center pin 2 as described above, and
It passes through the holder 4a, and a copter 13, which is a hooking part, is symmetrically attached to the outer periphery of the lower end side of the holder 4a.

The piglet 13 has a size to engage the inner periphery of the bait record holder 4a, and a notch b corresponding to the shape of the piglet 13 is symmetrically formed on the inner circumference of the holder 4a. Further, the coupling pin 7 has a 7-rank portion on the upper end side that is in contact with the upper surface of the center pin 2, and has a strength capable of supporting the entire weight of the bogie. Further, the clasp 13 provided on the coupling pin 7 and the engaging portion of the holder 4a with the clasp 13 also have a strength capable of supporting the entire weight of the truck. In addition,
A working hole for attaching and detaching the coupling pin 7 is formed in the vehicle body l above the coupling pin 7.

In such a configuration, when working to connect the bogie and the car body 1, it is necessary to lower the car body 1 by lowering the center pin 2 into the center pin receiver 4 of the pillow beam 3 without providing the holder 4a in the center pin receiver 4. Insert by.

After that, attach the holder 4a from below the carriage, and
0 Apply lubricating oil 6 from the attachment/detachment work hole to the center pin receiver 4 and holder 4.
Inject the lubricating oil into the sump formed by a. When the injection of the lubricating oil 6 is completed, the H-coupling pin 7 is inserted into the center pin 2 and the holder 4a, and the connector 13 is aligned with the notch b and penetrated to the bottom of the holder 4a. In this state, the connecting pin 7 is rotated 90' to complete the work.

According to such a configuration, when replacing the lubricating oil 6 in the center pin receiver 4, the lubricating oil 6 can be discharged simply by removing the holder 4a. Thereafter, the coupling pin 7 can be pulled out with the holder 4a attached, and oil can be supplied through the working hole. Therefore, the lubricating oil replacement work, which conventionally had to be carried out by separating the vehicle body 1 and the pillow beam 3, can be easily performed while the vehicle body 1 is supported on the pillow beam 3.

Next, for the separation work from the car body l during regular maintenance of the bogie, remove the coupling pin 7 from the working hole in the car body l by rotating the pin 7 so that its clasp 13 aligns with the notch b of the holder 4a. This makes it possible to easily separate the vehicle body 1 and the pillow beam 3. Furthermore, when the bogie is suspended together with the car body 1, the connector 13 of the coupling pin 7 and the holder 5
As a result, the weight of the truck is supported by the coupling pin 7. Therefore, there is no need to use special supports or the like when hanging together.

Further, when replacing the bushing 8 in the center pin receiver 4, by removing the holder 4a, a sufficient working space can be secured and work efficiency can be improved.

By the way, in the above-mentioned configuration, the center pin is provided on the car body and the center pin receiver is configured on the pillow beam, but a structure in which the center pin is installed on the pillow beam and the center pin receiver is configured on the bogie frame Alternatively, the same effect can be obtained even with a structure in which the center pin is installed in the vehicle body and the center pin receiver is configured in the bogie frame.

〔Effect of the invention〕

As described above, according to the present invention, maintenance work on the center pin support portion can be easily performed.

[Brief explanation of the drawing]

FIG. 1 is an enlarged cross-sectional view of essential parts showing one embodiment of the vehicle body support device for a railway vehicle according to the present invention, FIG. 2 is a bottom view of the cotter shown in FIG. 1, and FIG. 3 is an embodiment of the vehicle body support device shown in FIG. 1. It is a front view showing the whole example. 1...Car body, 2...Center pin, 3...
...Pillow beam, 4...Center pin holder, 4a...
...Holder, 7...Connecting pin agent Patent attorney Katsuo Ogawa

Claims (1)

[Scope of Claims] 1. A center pin provided on one of opposing members that allows rotation in a horizontal plane between the vehicle body and the truck;
A center pin receiver provided on the other side of the member into which the center pin is inserted and which stores lubricating oil, and a lid member detachably provided in a through hole provided at the bottom of the center pin receiver. A car body support device for a railway vehicle, characterized by the following. 2. A center pin provided on one of the opposing members that allows rotation in a horizontal plane between the vehicle body and the truck;
a center pin receiver provided on the other side of the member into which the center pin is inserted and which stores lubricating oil; a coupling pin having an engaging portion that penetrates the center pin and the center pin receiver and supports the weight of the truck; and the center pin. The connecting pin is configured to be detachably attached to a through hole provided on the bottom surface of the receiver, and is formed into a cylindrical shape so that the connecting pin can be penetrated therethrough, and is configured to include a lid member that engages with the engaging portion of the connecting pin. A railway vehicle body support device characterized by: 3. The railway vehicle according to claim 2, wherein the hole portion of the lid member into which the coupling pin is inserted is provided with a notch formed to correspond to the engaging portion of the coupling pin. body support device.