JPH059268Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a transportation jig used when transporting a drive wheel unit in a railway vehicle for inspection within a factory.

(Prior art) A drive wheel unit in a railway vehicle is constructed by mounting a pair of left and right wheels on both ends of an axle that is supported through an axle case, and a gear box that transmits transmission to the axle. A railway vehicle is constructed by assembling a driving wheel unit and a rolling wheel unit to the front chassis that is installed in the train.

When inspecting the rotation of the drive wheel unit,
The drive wheel unit removed from the trolley is manually pushed along a track-like running path and transported to the inspection equipment.

In this case, the gearbox, which is integrated with the axle case, is attached to the wheel so that it can rotate, so the lower part of the heavier side of the gearbox comes into contact with the running surface at the part of the gearbox that protrudes outward from the outer periphery of the wheel. Therefore, the driving wheel unit was pushed while lifting that part.

(Problem to be solved by the invention) However, the weight of the acceleration/deceleration gearbox used in such a drive wheel unit is considerably large;
Maintaining the above-mentioned lifted state manually requires a great deal of effort, and requires a plurality of workers at all times, resulting in low work efficiency.

The present invention has been made in view of the above-mentioned circumstances, and it is an object of the present invention to provide a transportation jig that allows a single worker to easily roll and move a drive wheel unit within a factory. With the goal.

(Means for Solving the Problems) In order to achieve the above object, the present invention includes an axle case with wheels supported at both ends thereof, an accelerating/decelerating gearbox fixed to one end of the axle case, A transporting jig for a driving wheel unit, which supports the lower end of one side of the acceleration/deceleration gearbox in a state in which the wheels can rotate on the ground, the driving wheel unit comprising: The present invention provides a transportation jig for a drive wheel unit, which is equipped with a fixing part for positioning and fixing the drive wheel unit to a positioning part of an inspection device or the like.

(Function) According to the characteristic configuration described above, by providing the transportation jig to support the lower end of one side of the gearbox, the drive wheel unit is placed on the running surface with three points of contact with the left and right wheels and the caster. Stably supported. Further, the drive wheel unit can be fixed to a rotation inspection device or the like using the fixing portion without removing the drive wheel unit from the transportation jig.

(Example) An example of the present invention will be described in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a drive wheel unit transport jig according to an embodiment, and FIG. 2 is an external perspective view of a drive wheel unit 1 equipped with this jig.

In these figures, reference numeral 1 indicates a drive wheel unit, and the drive wheel unit 1 connects a pair of left and right wheels 3, 3 to both protruding ends of an axle (not shown) inserted into an axle case 2, and A reduction gearbox 4 is provided at one end of the case 2, and bearing boxes 5, 5 for connection to the chassis are attached to both ends of the axle. 4a is provided, and the power of an electric motor mounted on the truck is inputted to the input section 4a to drive the axle to increase/decelerate.

The transportation jig A of the present invention used when rolling and transporting the drive wheel unit 1 in a factory has an arm 7 extending in a horizontal cantilever shape from a vertically oriented pipe frame 6, and a gear box attached to the tip of the arm 7. A bifurcated receiver 8 is installed to insert and support a part of the arm 7 from below, a moving caster 9 is attached to the bottom surface of the tip of the arm 7, and a support for connecting the gearbox is attached to the upper end of the pipe frame 6. At the same time as the plate 10 was attached, a cylindrical boss 11 with a screw formed on the outer periphery was erected on the support plate 10, and a handle 12 was attached across the outer end of the support plate 10 and the outer surface of the pipe frame 6. It has a structure.

As shown in FIG. 3, this transportation jig A is attached to the bracket 4b on the input section 4a side of the bracket 4b for mounting on the trolley provided in front of the gearbox 4. 4
b is placed on the ring-shaped mounting seat 10a protruding from the upper surface of the support plate 10, and the cylindrical boss 11 is inserted from below into the inner recess 13 for engaging the connecting member formed on the bracket 4b. By tightening the nut 14 to this cylinder boss 11, the transportation jig A is fixed to the input section 4a side of the gearbox 4. Then, in the jig mounted state, the caster 9
is from the axis of the axle case 2 to the gearbox input section 4.
It is designed to touch the ground at a position deviated to the a side.

Therefore, the drive wheel unit 1 equipped with the transport jig A is stably grounded with the left and right wheels 3, 3 and the caster 9 in contact with the ground at three points, and can freely roll with the gearbox 4 floating above the running surface. You will be able to move around.

When inspecting the rotation of the drive wheel unit 1 in a rotation inspection device, the transportation jig A is used as a jig for positioning and fixing the unit for inspection. It shows.

An outer boss 16 and an inner boss 17 constituting the positioning part 15 are fixedly installed at the inspection location, and the transport jig A
The lower end of the pipe frame 6 is positioned and engaged with the outer boss 16, and the bolt 18 inserted from above the pipe frame 6 is tightened into the inner boss 17. The upper surface of the bracket 4b of the gearbox 4 is equipped with a large-diameter collar 19 that surrounds the nut 14, and the bolt 18 is inserted through this collar 19 and the cylindrical boss 11, and then passed through the collar 19 and the carrying jig A. Then, the bracket 4b is fastened to the positioning portion 15. Due to this tightening, color 1
The lower edge of 9 and the mounting seat 10a fix the bracket 4b portion therebetween. The above-mentioned pipe frame 6, cylinder boss 11, and support plate 10 constitute a fixed part.

By firmly fixing as described above, lifting of the drive wheel unit 1 during rotation inspection is also avoided.

FIGS. 5 and 6 show an embodiment of a transportation jig A for a drive wheel unit equipped with gearboxes 4 of different specifications. In this case, the bracket 4b for connecting the gearbox 4 to the truck is configured in a bifurcated shape. It has a structure in which holes 20 are formed through which bolts are inserted from the left and right sides.

The transportation jig A has an arm 7 connected to the pipe frame 6, a caster 9 attached to the end surface of the arm 7, and a thick connecting block 22 with a pin hole 21 drilled in the end of the pipe connected to the pipe frame 6. frame 6
The connecting block 22 is inserted into the bifurcated space of the bracket 4b and the headed pin 23 is inserted through the bracket 4b, so that the transportation jig A can be connected to the input of the gearbox 4. Part 4
It is designed to be attached to the lower side of a.

In addition, when the transportation jig A is not used, the headed pin 23
It is connected to the side of the frame 7 with a chain 24 so as not to be lost, and can be inserted into a boss 25 fixed to the side of the frame 7 and stored.

In addition, when the transportation jig A of this embodiment is used as a positioning jig at an inspection location, as shown by the imaginary line in FIG. While engaging the lower end of the pipe frame 6, the top plate 2 of the pipe frame 6
A bolt 18 inserted from above through 6 is fastened to the inner boss 17 of the positioning portion 15. In this case, the bolt insertion hole 27 formed in the top plate 26 of the pipe frame 6 is configured as a long hole, so that the bolt 18 can be easily attached to the inner boss 17 even if the jig A is slightly tilted. ing.

(Effects of the invention) As explained above, by attaching the transportation jig of the invention to the drive wheel unit separated from the trolley, the gearbox rotates under its own weight and a part of it comes into contact with the running surface. It is now possible to roll the product with a stable three-point contact with the ground without any problems, and it has become possible to roll and transport it easily with a very small number of workers or even just one worker.

Furthermore, since this transportation jig can also be used as a jig for positioning the drive wheel unit at various inspection points, the structure is simpler than when a dedicated positioning means is incorporated, and it is practical and can be carried out at low cost. There are advantages.

[Brief explanation of drawings]

1 to 6 relate to embodiments of the present invention,
Fig. 1 is an exploded perspective view of the transport jig, Fig. 2 is an external perspective view showing the transport jig attached to the drive wheel unit, Fig. 3 is a sectional view of the same, and Fig. 4 is the main points for positioning and setting. 5 is an exploded perspective view of another embodiment of the transportation jig, and FIG. 6 is a sectional view showing the transportation jig of the embodiment shown in FIG. 5 attached to a drive wheel unit. . 1... Drive wheel unit, 2... Case, 3...
Wheels, 4...Gearbox, 9...Casters,
15...Positioning part, A...Transportation jig.

Claims (1)

[Scope of Claim for Utility Model Registration] A drive wheel unit comprising an axle case with a wheel supported at each end thereof, and an increase/decelerate gearbox fixed to one end of the axle case. This is a transportation jig for a drive wheel unit that supports and transports the lower end of one side of the unit so that the wheels can rotate on the ground, and has casters for moving on the lower surface, and the positioning part of the inspection device, etc. A transportation jig for a drive wheel unit, comprising a fixing part for positioning and fixing the drive wheel unit.