JP2873166B2 - Compaction machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compacting machine for use in applications requiring water spraying, wherein an operation panel and operation switches for water absorption operation are monitored while operating a water absorption hose on the ground. The invention relates to a compaction machine mounted in a position where it can be operated while it is being operated.

[0002]

2. Description of the Related Art Many compaction machines, such as tire rollers, which spray water on asphalt roads and roads when leveling roads, absorb water from reservoirs or rivers, store water in tanks in a vehicle body, and spray water as necessary. Like that. For this purpose, a hose for water absorption is generally mounted. Conventionally, in such a compacting machine, the hose is mounted on the floor of the vehicle, and the engine control switch, the pump drive switch, and the like are all disposed on the instrument panel in the driver's seat. Further, an inspection lid for checking the water storage state of the tank in the vehicle body is provided on the floor of the vehicle.

[0003] Therefore, at the time of water absorption work, after moving the vehicle near a reservoir or a river (hereinafter, represented by a reservoir), an operator must take out a hose from the vehicle and descend from the vehicle in order to dip the tip of the hose into the reservoir. There is. Thereafter, it is necessary to set the engine output to a predetermined value, take out the power for water absorption, drive the water absorption pump, and climb the driver's seat again to check the state of water storage in the tank. Then, when the water absorption is completed, it is necessary to go down from the vehicle again to store the hose.

[0004]

As described above, in the conventional compacting machine, it is necessary to go back and forth between the vehicle and the ground several times during the water absorbing operation. Further, since the work is performed in the driver's seat, the work cannot be performed while monitoring the water absorption state of the hose. Therefore, even if an abnormality such as the foreign matter such as aquatic plants covers the tip of the hose or the hose tip is exposed to the water for some reason, it is not possible to take immediate action.

The present invention has been made in order to solve such a problem, and there is no need to reciprocate between the ground and a driver's seat for a water absorbing operation, and all operations for water absorption are monitored while monitoring a hose. It is intended to provide a compaction machine that can be performed on the ground.

[0006]

SUMMARY OF THE INVENTION The compaction machine of the present invention comprises:
A switch for driving and stopping a motor for driving a water suction pump, an engine control switch, and water level display means are provided on a portion of the vehicle body that can be operated from the ground.

It is preferable that the water level display means includes means for stopping the rotation of the water suction pump driving motor when the water in the water storage tank reaches a predetermined full position.

A control panel having a switch for driving and stopping a motor for driving the water suction pump, an engine control switch, and a water level display means is removably housed in a portion of the vehicle body that can be operated on the ground. Is preferred in terms of convenience. Alternatively, the detachable operation panel is provided with a switch for driving and stopping the suction pump driving motor and an engine control switch, and the water level display means is attached to a visible part of the vehicle body. Good.

[0009]

According to the compacting machine of the present invention, it is a compacting machine of the type in which the hose is placed on the floor of the vehicle body and which is stored at a height at which the end of the chassis can be easily taken out. After immersing the hose end in water, all the water absorption operations can be performed on the ground. That is, by operating the engine control switch on the ground, the engine output can be set to a predetermined value to take out the power for water absorption work, and the water suction pump can be driven. It is very convenient because the water absorption operation can be performed while monitoring the water storage state in the inside by the water level display means.

Further, in the case where the above-mentioned various switches for operation are provided on an operation panel which can be taken out of the vehicle body, the operator can move away from the vehicle, which is more convenient.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the compacting machine of the present invention will be described with reference to the drawings.

FIG. 1 is a side view showing an embodiment of the compacting machine of the present invention, FIG. 2 is a piping diagram showing an example of a water absorbing mechanism of the compacting machine of FIG. 1, and FIG. 3 is a diagram of the compacting machine of FIG. FIG. 4 is a perspective view showing a main part of another embodiment of the compaction machine of the present invention.

FIG. 1 shows a tire roller R, and a hose H is provided in a space provided at the rear end of the vehicle body.
Is stored. Strainer S at the end of hose H
Is attached. In addition, the space where the hose H is stored is a position that is easy to handle for workers on the ground.

Incidentally, in the water absorbing mechanism of the tire roller R shown in FIG. 1, the hose H with the strainer S is connected to the first three-way switching valve V1, as shown in the piping diagram of FIG.
From there, it is connected to a water absorption pump P by a hose h1. A hose h2 is connected from the water suction pump P to the second three-way switching valve V2, a hose h3 is connected from the second three-way switching valve V2 to the water tank T, and a hose h4 is also connected to the water spray nozzle N. . Further, the first three-way switching valve V1 is also connected to the water tank T by a hose h5.

Therefore, water is absorbed by the hose H and supplied to the water tank T through the first three-way switching valve V1 → hose h1 → water pump P → hose h2 → second three-way switching valve V2 → hose h3. According to the piping diagram, the water suction pump can be used as a watering pump. In this case, the hose h5 from the water tank T → the first three-way switching valve V1 → the hose h1 → the water suction pump P → the hose h2 → 2 Water is sprayed from the watering nozzle N through the three-way switching valve V2 → hose h4.

The water pump P is driven by a hydraulic motor M. The hydraulic motor M is rotated by hydraulic oil pumped from the hydraulic pump OP, and the hydraulic pump OP is driven by the engine E.

Returning to FIG. 1, an openable / closable lid C is attached to the hose storage space. An operation panel 1 is located beside the hose storage section inside the space.
Are provided with various switches for water absorption operation and a water level indicator lamp 2. In addition,
Although not shown, exactly the same switches and water level indicators are also provided in the driver's seat, so that a water absorbing operation can be performed from the driver's seat as in the related art.

The details of the operation panel 1 are shown in FIG.

In FIG. 3, disposed on the operation panel 1 are a water level indicator light 2, an engine control switch 3, and a water suction pump drive switch 4. The water level indicator light 2 is electrically connected to a known sensor provided in a water storage tank of the vehicle body. The sensor detects when the water level in the tank exceeds a predetermined height, and issues a lighting signal to the water level indicator lamp 2.

The engine control switch 3 performs an accelerator operation of the engine, that is, an operation of raising and lowering the engine speed. The water suction pump drive switch 4 is a switch for driving and stopping the water suction pump P. The drive and stop of the water suction pump P are performed by switching the electromagnetic switching valve SV (see FIG. 2) interposed between the hydraulic pump OP and the hydraulic motor M by the water suction pump drive switch 4.

The two-way switching valves V1, V2 shown in FIG.
Is switched by a manual switching lever (not shown) provided in the driver's seat. That is, switching between water absorption and water sprinkling is performed in the driver's seat before the start of water absorption work.

The sensor outputs a signal not only to the water level indicator light 2 but also to an electromagnetic switching valve so that the rotation of the hydraulic motor M can be stopped, for example, when the storage tank becomes full. I have.

If a well-known water level gauge with a built-in float is attached to the vehicle body instead of or together with the water level indicator light, it is possible to check the process of filling the tank during work. It is convenient because you can do it.

FIG. 4 shows another embodiment. The compacting machine is provided with a handy type operation panel 11 for water absorption. That is, the operation panel 11 can be taken out of the vehicle body via the electric cable 7.
The operation panel 11 is provided with a main power switch 8 for enabling or disabling operation of the operation panel 11. In other respects, a water level indicator light 12, an engine control switch 13, and a water suction pump drive switch 14 are provided similarly to the operation panel 1 of FIG. In such a compacting machine, the operator can hold the operation panel 11 in his hand, and when necessary, move the operator to a place where the end of the hose can be clearly seen to perform the water absorbing operation. When the work is performed, the main power switch 8 is first turned on and then turned off after the work is completed, so that careless malfunction is prevented.

The water absorbing operation of the compacting machine constructed as described above will be briefly described.

First, the vehicle is moved near the reservoir. Next, the engine is set in an idle state without stopping, and the three-way switching valve is switched to water absorption by a switching lever.

Next, the worker goes down to the ground, opens the lid at the rear of the vehicle, takes out the hose, and immerses the end of the hose in the water of the reservoir. Then, take out the handy type operation panel and turn on its main power switch. Next, the engine output is set to a predetermined value by operating the engine control switch in order to take out the working power. Next, the water absorption pump drive switch is operated to start water absorption. If it is confirmed by the water level indicator light on the operation panel or the water level gauge on the vehicle body that water is full, the water absorption pump drive switch is operated to stop the water absorption (or automatically stop the water absorption). Next, the engine control switch is operated to return the engine speed to the idle state. Turn off the main power switch on the operation panel, store the hose, and return to the driver's seat.

As described above, the worker only needs to go down once to the ground for the water absorbing work.

[0029]

According to the present invention, all the water absorbing operations can be performed on the ground after the hose tip is immersed in water. That is, by operating the engine control switch on the ground, the engine output can be set to a predetermined value to take out the power for water absorption work, and the water suction pump can be driven. It is very convenient because the water absorption operation can be performed while monitoring the water storage state in the inside by the water level display means.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a compaction machine according to the present invention.

FIG. 2 is a piping diagram showing an example of a water absorption mechanism of the compacting machine of FIG.

FIG. 3 is a perspective view showing a main part of the compacting machine of FIG. 1;

FIG. 4 is a perspective view showing a main part of another embodiment of the compacting machine of the present invention.

[Explanation of symbols]

 11, 1 ・ ・ ・ Operation panel 12, 2 ・ ・ ・ Water level indicator 13, 3 ・ ・ ・ Engine control switch 14, 4 ・ ・ ・ Water absorption pump drive switch H ・ ・ ・ Hose M ・ ・ ・ Hydraulic motor P ・..Suction pump R: tire roller S: strainer

────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Hiroshi Nishikawa 2680, Oka, Inami-cho, Kako-gun, Hyogo Kawasaki Heavy Industries, Ltd. Banshu Plant (58) Fields investigated (Int. Cl. ⁶ , DB name) E01C 19 / 26

Claims (4)

(57) [Claims] 1. A fastening device comprising: a switch for driving and stopping a motor for driving a water suction pump; an engine control switch; Compacting machine. 2. The compacting apparatus according to claim 1, wherein said water level display means includes means for stopping rotation of said water pump driving motor when the water in said water storage tank reaches a predetermined full position. machine. 3. An operation panel including a switch for driving and stopping a motor for driving a water suction pump, an engine control switch, and a water level display means is removably housed in a portion of a vehicle body that can be operated on the ground. 2. The compacting machine according to claim 1, wherein the compacting machine comprises: 4. An operation panel having a switch for driving and stopping a motor for driving a water suction pump and an engine control switch is removably housed in a portion of a vehicle body that can be operated on the ground, and has a water level. 2. The compacting machine according to claim 1, wherein the display means is attached to a portion of the vehicle body that is visible from the ground.