JPH03132408A - Track travelling vehicle - Google Patents

Abstract

PURPOSE:To reduce the number of parts in a track travelling vehicle with track travelling wheels provided elevatingly by an elevating device at both longitudinal sides of the vehicle by making the elevating device an outrigger, and fixing a base for the wheel either at the fixed part or the outrigger by lock pins. CONSTITUTION:A track travelling vehicle 1 travelling freely on a track rail 2 by the power of an on-vehicle engine is provided with wheels having pneu matic tires 3, 4 for travelling the general road at both longitudinal sides of a body 2, and a driver's cabin 5 and a load-carrying platform 6 at the upper part of the body 2. In this case, elevating outrigger devices 7 are fitted at the lower part of the body 2, at both longitudinal ends in positions different from those of the wheels, and a wheel 8 rolling on the track rail 20 is rotatably supported at the lower end of each outrigger device 7. A square ring-formed base 12 for supporting the wheel 8 rotatably is slidably pierced with a fixed leg 1 of the outrigger device 7. This base 12 can be fixed selectively either at the lower end of a fixed part 9 or the fixed leg 10 by lock pins 13, 19.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a track running vehicle, and in particular, an outrigger device for fixing the vehicle can also be used as a lifting device for raising and lowering wheels for track running. Orbital running j] Regarding tun.

[Conventional technology]

This persimmon track running vehicle is known to have lifting devices fixed to both front and rear sides of the vehicle body, and each lifting device is equipped with wheels for track running so that they can move up and down. According to the track running vehicle having such a configuration, when traveling on a road, the wheels for running on the track are raised by the elevating device and stored in the vehicle body, and the vehicle can run on the road using tires. When traveling on a track, the wheels for running on the track are lowered by a lifting device, the wheels are placed on the track, and the tires are brought into contact with the track.

Most conventional track running vehicles are equipped with an elevating device for raising and lowering the 11 wheels used for running on tracks, and an outrigger device for fixing the vehicle to the ground when carrying out work, etc. There is. i1mThis outrigger device is usually attached to both the front and rear sides of the vehicle body of the track vehicle.

In a track vehicle having this configuration, in order to carry out construction work, the vehicle is fixed by extending the movable legs of the outrigger device and lifting the vehicle off the ground.

[Problem to be invented or solved]

According to such a track running vehicle, in addition to the outrigger device, a device for raising and lowering the wheels for running on the track is provided, so there is a device with the same function and purpose for raising and lowering the vehicle body. The disadvantage is that there are multiple parts and the number of parts increases.

Furthermore, in conventional track running IP, in addition to normal running tires, outrigger devices and lifting devices must be installed on both front and rear sides of the car body, and installation of the car body suspension takes up space. , the installation work is difficult, and the number of parts increases.

The present invention has been made to solve the above-mentioned drawbacks.
It is an object of the present invention to provide a track running vehicle that can reduce the installation space and the number of parts.

[Means for Solving the Problems] In order to achieve the above object, the track running vehicle of the present invention is equipped with wheels for track running on both the front and rear sides of the vehicle, each of which is movable up and down by a lifting device. In a car, the elevating device consists of an outrigger that can be raised and lowered with respect to the vehicle body, and a base for the track running wheels is slidably provided on the outrigger, and the base is attached to a fixed part or to the outrigger. It is characterized in that it can be fixed to either one with a lock pin.

[Effect]

In the present invention, when working with the vehicle body fixed to the ground,
By fixing the base on which the wheels for running on the track are pivoted ξ7 to the fixed part of the lifting device with a lock pin, only the fixed legs can be extended. As a result, the wheels for running on the track do not droop together with the fixed legs, and only the fixed legs come into contact with the ground, so that the normal outrigger device can function.

On the other hand, in order to run the track vehicle on the track, the base of the track drive wheel is fixed to the fixed leg of the lifting device with a lock pin. When the fixed leg is extended in this state, the wheels for running on the track are lowered together with the fixed leg, and the wheels for running on the track can be brought into contact with the track. Thereafter, the track vehicle can travel on track-7.

(Example〕 Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 1 is a perspective view showing an embodiment of the track running vehicle of the present invention, FIG. 2 is an explanatory view showing the installation state of the same embodiment, and FIG. 3 is a perspective view showing the main parts of the same embodiment. Figure 4 is the cross section V of Figure 3.
It is.

In Figures 1 to 4, the track vehicle (2) is equipped with a gasoline engine or a Y easel engine, and is configured to be self-propelled.

This track vehicle 1 has rubber wheels 3.4, which are used for running on general roads, pivoted on both the front and rear sides of the vehicle body 2. Moreover, this track vehicle 1 has a structure in which a driving cabin 5 and a loading platform 6 located behind the driving cabin 5 are provided on the upper part of the vehicle body 2. In this loading platform 6,
For example, construction tools, construction materials, etc. are loaded.

The tire 3.
An outrigger device 7 is installed on both front and rear sides of the A device separate from 4.
is installed. A wheel 8 for running on a track that contacts a track rail (described later) is pivotally supported on the outliquor device 7.

This outrigger device 7 includes an internal hollow prismatic identification part 9 fixed to the lower part of the vehicle body 2, and this fixed part 9.
The fixed leg 10 has a hollow prismatic shape that slides up and down against the ground, and an installation plate 11 that contacts the ground is fixed to the lower end of the fixed leg 111110. A rectangular ring-shaped base 12 that pivotally supports the track running wheels 8 is slidably inserted into the fixed leg 10, and this base 12 is attached to the upper end of the fixed part 9 or to the fixed leg. It can be selectively fixed to either one of 10 with a lock pin 13 or 19.

That is, the hole 14 is formed on the lower end side surface of the fixing part 9 by a penetration amount [ ].
A hole 16 is also opened through the locking piece 15 extending from the upper end of the base 12. When connecting this base 12 to the fixing part 9, one piece 1 is attached to the hole 14 of the fixing part 9.
By overlapping the holes 16 of 5 and inserting the lock pin 19 into the hole 14.16, only the fixed leg 10 of the outrigger device 7 has the function of a device that simply moves up and down. Further, a hole 17 is formed on the side surface of the lower end of the fixed leg 10 by a penetration amount 1, and a hole 18 is formed on the side surface of the lower end of the base 12. This base 12 is connected to the fixed leg I.
When connecting the base 120 to the hole 1f of the fixed leg 1 (), insert the lock pin 13 into the hole 17 and the hole 18. , and the base 12 can be moved downward F in accordance with the -1-downward movement of the fixed leg 10.

5, this outliquor device 7 is connected to the hydraulic cylinder 2.
The W part of the hydraulic cylinder 22 is fixed in the space inside the fixed part 9, and the cylinder part 17F' 2 of the hydraulic cylinder 22 is operated by the cylinder 17F' 2.
3 is directed downward and its lower end is connected to the rigid leg 10. Note that the device for driving the hydraulic solinter 22 described in ①- is not particularly related to the present invention and will therefore be omitted.

The operation of the embodiment configured as described above is explained in FIGS. 1 to 6.
This will be explained with reference to 1.

5M and 6 are for explaining the operation of the above-mentioned embodiment. It is a usage explanatory diagram showing a state in which the vehicle body is fixed to the ground with ``7''.

First, a description will be given of the usage condition in which this embodiment is originally used as the track running vehicle 1 and runs on a track rail.

- When traveling on a ship road, the arm trigger device 7 supplies hydraulic oil from the hydraulic cylinder 22 in a direction to reduce the cylinder loft 23, and operates the fixed leg 10 so that it is housed in the identification part 9. . In this state, the track running wheels 8 are lifted sufficiently high above the surface of the road 24.

Therefore, there is no problem in running on the normal road 24, and the vehicle can be driven on the road surface just like a normal car.

Next, the case where the vehicle travels on the track rail 20 will be described.

Operate the track vehicle 1 and place the vehicle body 2 on the top surface of the track rail 20.
move. Then, in a state where the outrigger device 7 is contracted and the fixed leg 10 lifts the base 12, the lock pin 19 inserted into the hole 14.16 is pulled out. Next, the hole 18 drilled in the base 12 is inserted into the fixed leg 10.
Insert the cock pin 13 into the hole 17.18, overlapping the hole 17 provided in the hole 17. By switching the lock pins 13 and 19, the base 12 is fixed from the fixed part 9 to the fixed leg IO.

Then, hydraulic oil is applied to the hydraulic cylinder 22 in the outrigger device 7 to lower the cylinder loft 23 one step, and as shown in FIG.
Place it on top of 0. At this time, the front outrigger mounting w7
As shown in Fig. 5, the front tire 3 is connected to the track rail 2.
The fixed leg 10 is extended so that it does not touch 0. Further, the rear trigger device 7 extends and fixes the fixed leg 10 so that the rear tire 4 contacts the track rail 20 as shown in the fifth column. As a result, the track running vehicle 1 can rotate with the power side tires 4 in contact with the upper surface of the track rail 20, and the track running vehicle 1 can rotate on the track rail 20-1.
This means that you will be able to drive -.

Furthermore, a case where the track vehicle 1 is fixed to the ground 24 will be explained.

The track vehicle 1 is moved to a predetermined position on the ground 24+. At this time, in the outrigger device 7, the fixed leg 10 is accommodated in the fixed part 9.

Then, align the hole 16 opened in the locking piece 15 extending from the base 12 with the hole 14 opened in the fixing part 9, insert the lock pin 19 into the hole 16.14, and fix the base 12. Part 9
to be identified. Then lock pin 13 is inserted through hole 17.18.
is pulled out to release the base 12 from the fixed legs 10.

In this state, hydraulic oil is sent to the hydraulic cylinder 22 to extend the cylinder loft 23 and move the fixed leg 10.
lower only. In this way, even after the fixed leg 10 is lowered and the installation plate 11 contacts the ground 24, the fixed leg 10 is lowered.
Lower 0. Then, as shown in FIG. 6, the tires 3.4 of the track vehicle 1 are separated from the ground 24, and the vehicle body 2 is fixed to the ground 24.

In this embodiment, the outrigger device 7 is composed of a fixed part 9 and a fixed leg 10 that moves up and down with respect to the fixed part 9, and a base 12 of a wheel 8 for running on a track is attached to the fixed leg 10. By making the base 12 slidable downward and fixing it to one end of either the fixing part 9 or the fixing leg 10 with a pin 13, 19, the out-0 rigger device 7 can be used as The function of the F downward movement of the wheel 8,
It can also be used for the function of fixing the vehicle body 2. In addition, according to this embodiment, since the outrigger device and the wheel lifting device are not provided separately, the number of parts used is half that of a conventional track vehicle, and the space occupied by the parts is reduced. .

In this embodiment, the fixing part 9 and the fixing leg 10 of the outrigger device 7 are described as being prismatic, but it goes without saying that both may be made of cylindrical members.

〔Effect of the invention〕

As explained above, according to the present invention, the outrigger device is composed of a fixed leg that moves up and down with respect to a fixed part, and a base for a wheel for running on a track is slidably provided on the fixed leg. By making it possible to fix it to either the fixed part or the fixed leg with a lock pin, it can be used both as a lifting device for wheels for track running and as an outrigger device. With this configuration, since the outrigger device and the lifting device are not provided separately, the number of components is reduced to half that of the conventional device, and the space occupied by the components is reduced.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of the track running vehicle of the present invention, Fig. 2 is a diagram showing the installation state of the elevating device, etc. of the same embodiment,
FIG. 3 is a perspective view showing a main part of the same embodiment, FIG. 4 is a sectional view of FIG. 3, and FIGS. 5 and 6 are explanatory diagrams for explaining the operation of the same embodiment. l... Track running vehicle, 2... Vehicle body, 3.4... Tires, 5... Cab, 7... Outrigger device, 8...
・Wheel for track running, 9... Fixed part, 10... Fixed leg, 12... Base, 13... Lock bin, 14.1
6.17.18...hole, 15...locking piece.

Claims (1)

[Claims] A track running vehicle is equipped with wheels for track running on both the front and rear sides of the vehicle, each of which can be raised and lowered by an elevating device. A track running vehicle, characterized in that a base for a wheel is slidably provided, and the base can be fixed to either a fixed part or an outrigger with a lock pin.