JPS61207704A - Road maintenance vehicle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a road maintenance vehicle that can serve as both a snow plow vehicle and a spraying vehicle.

BACKGROUND OF THE INVENTION Heretofore, snow plow vehicles and spreader vehicles are well known and both have been used to maintain roads. However, snow plow vehicles are used during short periods of snowfall in winter but are unnecessary during other periods, while spraying vehicles, especially water sprinklers, are used during spring and summer periods but are unnecessary during snowy periods. Neither of them operated individually throughout the year, and the operating rate was low, making them uneconomical.

(Purpose of J! Ming) Therefore, the purpose of this invention is to provide a road maintenance vehicle that can be used as a snow plow vehicle or a spray vehicle as needed, and to solve the above-mentioned problems. be.

(Structure of the Invention) The present invention provides tank equipment mounted on a vehicle chassis so that it can be loaded and unloaded, a snow plow that is detachably provided on the front part of the vehicle chassis, and a snow plow that is disposed on the vehicle chassis and can be disconnected from the tank equipment. This is a road maintenance vehicle equipped with a possible spraying pipe.

(Example) An embodiment of the present invention will be described in detail below with reference to the drawings.

As shown in FIG. 1, reference numeral 1 denotes a road maintenance vehicle according to an embodiment of the present invention, and tank equipment 4 is mounted on a chassis 2 via a loading/unloading means 3. Further, a snow plow mounting frame 5 is provided at the front of the chassis 2.

Furthermore, a dispersing pipe 6 is disposed on the vehicle chassis 2, and the base end of the dispersing pipe 6 and the terminal end of the tank equipment 4 are detachably connected to each other by a coupler 7.

The details of each part will be further explained below with reference to FIG. 2 and subsequent figures.

The snow plow 8 includes a snow plow main body 8a and a mounting member 8b.
and a drive member 8c that connects the two and controls the vertical position of the snow plow main body 8a. The mounting member 8b has a mounting hook 8d protruding from its upper part.
The mounting member 8b is attached to the snow plow mounting frame 5 by fitting the mounting member 8b into the mounting hole 5a at the upper part of the snow plow mounting frame 5. The driving member 8c consists of a parallelogram link device 8e that connects the mounting member 8b and the snow plow main body 8a, and a hydraulic cylinder device [8f] that deforms the parallelogram link device 8e and raises and lowers the snow plow main body 8a. . The hydraulic cylinder device 8f is connected via piping to a hydraulic pressure generating means (not shown) provided in the vehicle chassis 2. Mounting member 8b
The attachment to the snow plow attachment frame 5 can be done not only by engaging the attachment hook 8d and the attachment hole 5a as described above, but also by known means such as fastening the two together with bolt means.

The loading/unloading means 3 is for loading/unloading the tank equipment 4 onto/from the vehicle chassis 2, and in this embodiment, it is a roll-on system (trade name) well known from, for example, Japanese Unexamined Patent Publication No. 57-7725. That is, at the rear of the vehicle platform 2, a loading platform frame 3b is pivotally supported by a left-right axis 3a, and a tilting cylinder assembly M3c is provided to enable the loading platform frame 3b to tilt. A winch 3 is attached to the front end of the cargo frame 3c.
d is provided, and the winch wire 3e of this winch 3d
A hook 3f is provided at the tip. In addition to the above-mentioned embodiments, the loading/unloading means 3 may be of the known arm roll (trade name) type, and furthermore, the loading/unloading means 3 may be of the known arm roll (trade name) type,
By providing retractable legs at certain locations and extending the retractable legs to raise the tank equipment 4 higher than the vehicle chassis 2, the tank equipment 4
It is also possible to use other known means, such as loading and unloading.

The tank equipment 4 has a liquid tank 41 mounted on a cart 4b provided with wheels 4a at the front and rear. The inside of the liquid tank 41 is partitioned into several parts in the front and back by a wave-proof plate 41a. The truck 4b is further equipped with a pump 42 for pressurizing the liquid in the liquid tank 41, and a power means 43 for driving the pump 42. The power means 43 uses an independent power different from the driving power of the road maintenance vehicle 1, such as an engine. Further, the truck 4b is provided with piping for connecting a liquid tank 41, a pump 42, and the like. That is, as shown in FIG. 7, one of the two branched pipes connected to the bottom of the liquid tank 41 is equipped with a stop valve 4.
Water intake 4d is provided via C, and the other one is No. 3.
It is connected to the suction side of the pump 42 via the connector 4e. Further, a pipe branched from the suction side of the pump 42 is provided with a right suction port 4g via a strainer S and a first two-way tank 4f. A left suction port 4h is provided through a strainer S to another pipe connected to the first three-way pot 4e. A water cannon attachment port 41 for attaching a water cannon 44 is provided on the discharge side of the pump 42, and a second water cannon attachment port 41 is provided on the discharge side of the pump 42.
Connect to the tank side coupler 7a of the Kaphra via the direction Kotoku 4j.
is provided. Also, the discharge side of the pump 42 and the liquid tank 4
Piping is also installed between the inside of 1 and the inside of 1 via the 3rd 2-way pipe 4k.

Next, to explain the dispersion pipe 6 provided in the vehicle chassis 2, the pipes connected to the dispersion pipe side coupler 7b are as follows:
It is branched into four directions, one of which is connected to the right outlet 6b via the 4th 2nd direction Kotsukuro a, and the other is connected to the left outlet 6d via the 5th 2nd direction Kotsukuro c. Ru. The remaining two go to the water spray nozzle 6i16j16 via the 62nd way Kotukuro e, the 7th 2nd way Kotukuro f, the 2nd 3rd way Kotukuro g and the 3rd way Kotukuro h? 61 as shown. Each of these water spray nozzles 61 to 61 has a rotary joint J, is configured so that the nozzle can be directed in any direction, and is arranged one each on the front, rear, left and right sides of the road maintenance vehicle 1. It is. In the piping configuration described above, the piping from the dispersion pipe side coupler 7b to the right discharge port 6b and the left discharge port 6d is branched to the discharge side piping of the pump 42 on the tank equipment 4 side.

Both discharge ports 6b and 6d may be provided on the tank equipment 4 side.

The operation of the above-mentioned embodiment will be described below.

First, to use the road maintenance vehicle 1 as a spraying vehicle.

To load the tank equipment 4 by the loading/unloading means 3.

As shown in FIG. 3, the tilting cylinder device 3c is extended to tilt the platform frame 3b. On the other hand, tank equipment 4
approach the rear of the road maintenance vehicle and connect the winch wire 3e.
'Extend f and connect the hook 3f to tank equipment 4''
do. Then, by driving the winch 3d to wind in the winch wire 3e, the tank equipment 4 is pulled together and raised along the platform frame 3b (as shown in FIG. 4). Finally, the tank equipment 4 is mounted on the loading platform frame 3b (as shown in FIG. 5), and when the tilting cylinder device 3c is contracted and the loading platform frame 3b is laid down, the state shown in FIG. 1 is achieved, and the coupler 7 is connected. Then it can be used as a scattering vehicle.

To fill the liquid tank 41 with liquid, use the stop valve 4
Close c, close 2nd 2nd direction Kotoku 4j, close 3rd 2nd direction Kotoku 4k
For example, the first three-way socket 4e is communicated in the vertical direction in the figure, and the first two-way socket 4f is closed, and then
If the left suction port 4h is connected to a liquid source, such as a water source or a spray liquid reservoir, and the pump 42 is driven by the power means 43, the liquid sucked from the left suction port 4h will be transferred to the strainer S, the first 3 4e, pump 42. It reaches the inside of the liquid tank 41 via the third two-way tank 4k.

To spray the liquid in the liquid tank 41, operate the first three-way tap 4e to connect the liquid tank 41 and the suction side of the pump 42, close the third two-way tap 4k, and open the second two-way tap 4e. Kotukuro 4j is open, 4th 2nd Kotukuro a and 52nd Kotukuro C are closed, 62nd Kotukuro e and 7th 2nd Kotukuro f are open, 2nd 3rd Kotukuro g and 3rd are open. If the road maintenance vehicle 1 is run and the pump 42 is driven by the power means 43 after making the three-way Kotsukuro h connectable in three directions, the liquid in the liquid tank 41 is
1st 3rd way kotukuro 4e, pump 42, 2nd 2nd way kotukuro 4゜j, coupler 7, 6th 2nd way kotukuro e, 7th 2nd way kotukuro f, 2nd 3rd way kotukuro g and 3rd 3rd way kotukuro h
The water is sprayed from the respective water spray nozzles 61 to 61 via the water spray nozzles 61 to 61. It is also possible to selectively sprinkle water from the water spray nozzles 61 to 6■ by operating the second and third three-way tips 6g and 6h.

Next, in order to use this road maintenance vehicle 1 as a snow plow vehicle, remove the tank equipment 4 from the loading frame 3b by performing the operations in the reverse order as described above, and attach the snow plow 8 to the mounting hole 5a of the snow plow mounting frame 5. Engage the mounting hook 8d of the mounting member 8b and attach the snow plow 8 to the snow plow mounting frame 5.
Fixed to.

Then, by operating the hydraulic cylinder device 8f, adjusting the vertical position of the snow plow body 8a, and driving the road maintenance vehicle 1, it can be used as a snow plow vehicle (as shown in FIG. 6). When used as a snow plow vehicle, the vehicle body requires a certain amount of weight, and the cargo frame 3
In addition to the case where nothing is loaded on b, an appropriate packing box may be loaded as necessary, or the tank equipment 4 may be left mounted.

(Effects of the Invention) As described above, this invention allows a single road maintenance vehicle to be used as a spraying vehicle or as a snow plow vehicle as needed, so it is possible to increase its availability, and It has a unique and remarkable effect in that it can also be expected to save resources.

[Brief explanation of drawings]

The drawings all show an embodiment of the present invention, with FIG. 1 being an overall side view and FIG. 2 being a partially broken side view of essential parts. 3 to 6 are side views for explaining the operation, and FIG. 7 is a piping diagram. 2... Vehicle platform, 3... Loading/unloading means, 4...
... Tank equipment, 41 ... Liquid tank, 4
2... Pump, 43... Power means, 5
... Snow plow mounting frame, 6 ... Spraying pipe, 7 ... Coupler, 8 ... Snow plow.

Claims (3)

[Claims] (1) Tank equipment mounted on the vehicle chassis so that it can be loaded and unloaded, a snow plow that is removably installed on the front of the vehicle chassis, and a spraying pipe that is installed on the vehicle chassis and can be connected to and disconnected from the tank equipment. Road maintenance vehicles equipped with and. (2) The road maintenance vehicle according to claim 1, wherein the tank equipment includes a tank, a pump for pressurizing the liquid in the tank, and power means for driving the pump. (3) The road maintenance vehicle according to claim 1, wherein a coupler is provided between the tank equipment and the spray pipe so that they can be connected and disconnected.