JPH06272210A - Remote control vibration roller - Google Patents

Abstract

PURPOSE:To improve the workability and safety by arranging a switching device of wireless operation and manual operation in a control unit of a vibration roller to compact the ground, and making it operable manually when the wireless operation by remote control becomes impossible. CONSTITUTION:A switch to switch wireless operation from a control box 20 to manual operation from a driver's seat is arranged in a control unit of a remote control vibration roller R to compact the ground. When reception from the control box 20 becomes impossible, or when malfunction is caused by sensing noise, operation is switched to manual operation. Thereby the workability and safety can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote control vibrating roller for controlling the traveling of a vibrating roller capable of compacting the ground by vibration and compaction by means of a control box.
It is related to the construction method.

[0002]

2. Description of the Related Art In recent years, due to the limited number of fossil fuels such as petroleum, coal and natural gas, and the geographical characteristics of Japan, hydroelectric power generation has been reviewed again, and construction plans or constructions have been carried out. In addition, many dam construction plans and constructions are being carried out for the purpose of water storage, water intake, and water level rise. Currently, as a dam construction method, a dam block construction method, a casting transportation construction method, a cooling construction method, an RCD (Roller Compacted Dam-comcrete) construction method, and the like are provided. Among these construction methods, there are various advantages such as being able to carry concrete by a dump truck, no cable crane, no cooling equipment, no joint formwork, etc. Therefore, the RCD method has become the mainstream of dam construction methods in recent years.

The RCD method is a method newly developed in Japan, in which the ultra-compacted concrete of North Lamp with a reduced amount of cement is transported by a dump, spread on a bulldozer, leveled, compacted by a vibrating roller, and layered. This is a construction method that can significantly reduce the construction period and cost compared to the conventional block placing construction method using a cable crane or the like. Conventionally, a manned type vibrating roller has been used as the vibrating roller used for compacting the north lamp concrete.

By the way, it has been clarified that the manned vibrating roller has an adverse effect on the operator such as headache, nausea, backache, numbness of limbs, and deterioration of visual acuity, and countermeasures against them are required. . In response to such demands, unmanned vibrating rollers have been developed and provided. The unmanned vibrating roller, without the operator riding on the vibrating roller body,
The wired controller at hand controls the traveling of the vibration roller body.

[0005]

However, the above-mentioned unmanned vibrating roller has the following problems. Since the unmanned vibrating roller controls the traveling of the vibrating roller main body by the wired controller, the operation position of the operator is limited, and the operator may not be able to fully visually check the rolling state of the vibrating roller. And because the vibration roller and the controller are connected by wire,
This work needs to be isolated and protected, which makes this work troublesome. Further, since the vibrating roller and the controller are connected by wire, troubles such as disconnection of the cable and poor contact of the connector have occurred.

The present invention effectively solves the above-mentioned problems, and an object thereof is to make the connection system between the vibration roller body and the control box wireless.
An object of the present invention is to provide a remote control vibrating roller that can be operated by an operator at an optimum place and eliminates the troublesome work such as wire isolation and protection.

[0007]

The remote control vibrating roller of the present invention comprises a vibrating roller body for compacting the ground by vibration and rolling, and a control box for controlling the running of the vibrating roller body. A remote control vibrating roller, wherein the control box is configured to wirelessly control a control unit installed in the vibrating roller body and operating the vibrating roller body, and the control unit is configured to be manually operated. It is characterized in that it is configured to be switchable between wireless operation by the control box.

[0008]

According to the remote control vibrating roller of the present invention, the control box is configured to wirelessly control the control unit installed in the vibrating roller body and operating the vibrating roller body. There is no limitation, and the work required for wired is eliminated. Further, troubles such as cable breakage and connector contact failure, which occur due to being wired, are eliminated. In addition, the control unit is configured to be able to switch between manual operation and wireless operation by the control box, so if the control unit that receives radio waves malfunctions or if it falls into an unreceivable state, The vibrating roller is surely operated by operating in.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the remote control vibrating roller of the present invention will be described in detail below with reference to the drawings. However, the dimensions and materials of the components described in this example,
Unless otherwise specified, the shape and the relative arrangement thereof are not intended to limit the scope of the present invention thereto, but are merely illustrative examples. First, the configuration of the remote control vibrating roller according to the present embodiment will be described with reference to FIGS. 1 to 11.

The remote control vibrating roller R
As shown in FIG. 1, the vibrating roller main body 10 for compacting the ground G by vibration and rolling pressure, and the vibrating roller main body 10
And a control box 20 for controlling the traveling of the vehicle. In the figure, reference numeral 11a is a left roller, reference numeral 1
Reference numeral 1b is a right roller, reference numeral 12a is a left roller lever, reference numeral 12b is a right roller lever, and reference numeral 13 is an operating seat.

As shown in FIG. 2, the control box 20 is an elongated rectangular parallelepiped box body, and on the left side of the front board 20x, a right front roll roller switch 21b, a high speed accelerator switch 21d, an oscillating switch 21c, and a left front roll. The roller switch 21a and the emergency stop switch 21e are arranged in this order from above. On the other hand, between the switches 21a to 21e on the right side and the left side of the front board 20x, a right rear roll roller switch 22b, a low speed accelerator switch 22d, a non-vibration switch 22c, and a left rear roll roller switch 22a are sequentially arranged from above. .

A power switch 23 for operating the control box 20 is attached to the lower surface of the control box 20. In the circuit for transmitting and receiving between the control box 20 and the control unit 30, for example, when the control box 20 is tilted from the vertical direction in all directions by about 100 ° C or more, the emergency stop function operates and the engine stops after 1 second. The method is adopted. The deadman switch system is a system in which the engine is stopped by detecting that radio waves are no longer received without turning off the power switch 23. A power lamp 24 that lights up when the power switch 23 is in the "ON" state is arranged on the upper right of the front board 20x. This power lamp 24 is, for example, continuously lit and flicker lit (control box 2) when the power is on.
If the battery voltage drops to 0), the light is turned off when the power is off. Further, an electronic buzzer 25 that warns by sound (for example, beeping at 1 second intervals) of the state of “power on” (during operation) is arranged at the lower left of the front board 20x.

The control box 20 sends radio waves containing various commands to the antenna A of the control unit 30 and sends commands to the control unit 30 via the antenna A. This radio wave
For example, it is a weak radio wave in which 80 waves are assigned to the 310 MHz band, and the cyclic digital system is adopted. This radio wave is sent to the control unit 30 installed in the vibrating roller body 10 by a radio operation.

As shown in FIGS. 3 to 9, the control unit 30 operates the vibrating roller body 10, and includes an operation switching section capable of switching between manual operation and wireless operation by the control box 20. , A hydraulic pump 31, an electromagnetic switching valve unit 34, four hydraulic cylinders 37a to 37d, and a link system 38. Here, the operation switching unit is configured to automatically switch from the manual operation to the wireless operation when, for example, a radio wave of the control box 20 is sent. A publicly-known commercially available product is used as the operation switching unit, but the gist of the present invention is not limited thereto, and a unit suitable for carrying out the present invention may be used.

The hydraulic pump 31 includes a left roller hydraulic cylinder 37a, a right roller hydraulic cylinder 37b, and a vibrating cylinder 37c via an electromagnetic switching valve unit 34.
It also communicates with the accelerator cylinder 37d and is stored in the rear portion of the driving seat 13.

The electromagnetic switching valve unit 34 includes a left roller switching valve 34a, a right roller electromagnetic switching valve 34b, a vibrating electromagnetic switching valve 34c, an accelerator electromagnetic switching valve 34d, and a distributor 32 communicating with them. It consists of In the present embodiment, the four-port three-position spring center A is attached to each of the electromagnetic switching valves 34a to 34d.
The BT type is used.

The distributor 32 is located below the electromagnetic switching valve unit 34, is connected to the hydraulic pump 31 by high pressure hoses 33, 33, and is connected to each of the hydraulic cylinders 37a to 37d. .

The left roller electromagnetic switching valve 34a is connected to the left roller hydraulic cylinder 37a, the right roller electromagnetic switching valve 34b is connected to the right roller hydraulic cylinder 37b, and the vibration electromagnetic switching valve 34c is generated. Cylinder 37c
Further, the accelerator electromagnetic switching valve 34d is connected to the accelerator hydraulic cylinder 37d via the distributor 32 through the distributor 32 as shown in FIGS. 3 to 4, and the extension high pressure hoses 35 ,. , ... are connected together.

The link system 38 is shown in FIGS.
As shown in FIG. 5, the driving seat 13 is disposed below the driving seat 13 and includes a left roller link mechanism 38a, a right roller link mechanism 38b, a vibration raising link mechanism 38c, and an accelerator link mechanism 38d. .

The left roller link mechanism 38a comprises a left roller arm 39a connected to the left roller hydraulic cylinder 37a, and one end of the left roller arm 39a connected to the left roller arm 39a. The left roller rod 40a is connected to the lever 12a. The right roller link mechanism 38b includes a right roller arm 39b connected to the right roller hydraulic cylinder 37b and one end of the right roller arm 39b. The other end of the right roller arm 39b is connected to the right roller lever 12b. The right roller rod 40b is connected.

The vibration-exciting link mechanism 38c is connected to the vibration-exciting hydraulic cylinder 37c.
9c and an oscillating rod 40c having one end connected to the oscillating arm 39c and the other end connected to the oscillating lever 12c. Link mechanism 38d for the accelerator
Is an accelerator arm 39d connected to the accelerator hydraulic cylinder 37d, and the accelerator arm 3d.
9d has one end connected, and the other end has an accelerator lever 1
It is composed of an accelerator rod 40d connected to 2d.

The hydraulic cylinders 37a to 37 are used.
Although the joining of d and the rods 40a to 40d and the joining of the rods 40a to 40d and the levers 12a to 12d are performed by a rotatable ball pin, the gist of the present invention is limited thereto. Instead, in the present invention, those suitable for carrying out the present invention may be used. Further, in this embodiment, as shown in FIG.
A proximity switch 50 is provided near each of the arms 39a to 39d.
a to 50d are provided.

Next, the circuit related to the remote control vibrating roller R will be described with reference to FIGS. 10 and 11 are circuit diagrams showing a specific configuration of such a circuit. In this figure, the same parts as those in FIGS. 1 to 9 are designated by the same reference numerals. The left front roll roller switch 21a and the left rear roll roller switch 22
and a are connected in the control box 20.
These are electromagnetic switching valves 34 for the left roller via radio waves.
a, the hydraulic pump 31, the proximity switch 50 a, and the battery 64 are connected in the vibrating roller body 10. The right front roller switch 21b and the right rear roller switch 22b are connected in the control box 20. These are connected to the right roller electromagnetic switching valve 34b, the hydraulic pump 31, the proximity switch 50b, and the battery 64 in the vibrating roller body 10 via radio waves.

The excitation switch 21c and the non-vibration switch 22c are connected in the control box 20. These are electromagnetic switching valves for vibration 3 via radio waves.
4c, the hydraulic pump 31, the proximity switch 50c, and the battery 64 are connected in the vibrating roller body 10. The accelerator high speed switch 21d and the accelerator low speed switch 22d are connected in the control box 20. These are connected to the accelerator electromagnetic switching valve 34d, the hydraulic pump 31, the proximity switch 50d, and the battery 64 in the vibrating roller body 10 via radio waves.
Emergency stop switch 2 in the control box 20
1e is connected to the battery 64 and the engine stopper 65 in the vibrating roller body 10 via radio waves.

In the connection between the vibrating roller body 10 and the control unit 30 as described above, as shown in FIG.
Plug 62 connected to control unit 30
The vibrating roller body 10 is fitted and connected to an adapter 63 connected to the internal wiring. Here, reference numeral 61
Is a key switch that connects the internal circuit of the vibrating roller body 10 and starts the operation of the vibrating roller body 10.

However, the switch 2 for the left front roll roller is used.
When either one of 1a and the switch 22a for the left rear roll roller is pressed, a radio wave is sent from the control box 20 to the vibrating roller body 10. Due to this radio wave, the left roller electromagnetic switching valve 34a is activated, and the hydraulic pump 31 is activated to feed oil to the left roller hydraulic cylinder 37a. When neither the left front-rolling roller switch 21a nor the left rear-rolling roller switch 22a is pressed, the control box 20 moves the vibration roller main body 10
No radio wave is transmitted to the left roller, and the 4-roller 3-position spring center ABT type is used for the left roller electromagnetic switching valve 34a. Therefore, the spool automatically returns to the neutral position by the spring, and the hydraulic pump 31 also stops. The control unit 30 performs the same operation when the right front turning switch 21b and the right rear turning switch 22b are activated.

When the oscillating switch 21c is pressed, radio waves are sent from the control box 20 to the vibrating roller body 10. This signal causes the electromagnetic switching valve 34 for vibration
When c is operated, the hydraulic pump 31 is operated and oil is sent to the vibration hydraulic cylinder 37c. When neither the vibration-raising switch 21c nor the vibration-damping switch 22c is pressed, radio waves are not sent from the control box 20 to the vibrating roller body 10, and the vibration-causing electromagnetic switching valve 34c.
The spool also automatically returns to the neutral position by the spring,
The hydraulic pump 31 also stops. When either one of the accelerator high speed switch 21d and the accelerator low speed switch 22d is pressed, the accelerator electromagnetic switching valve 34d operates and the hydraulic pump 31 operates to feed oil to the accelerator hydraulic cylinder 37d. When neither the accelerator high speed switch 21d nor the accelerator low speed switch 22d is pressed, the piston of the accelerator electromagnetic switching valve 34d is automatically returned to the neutral position by the spring, and the hydraulic pump 31 is stopped. Further, when the emergency stop switch 21e is pushed, the engine stopper 65 is moved to the vibration roller body 10
Stop the engine.

Next, the operation of the remote control vibrating roller R configured as described above will be described. The control box 20 enables remote control. The left front roll roller switch 21a and the left rear roll roller switch 2
2a controls the rotation of the left roller 11a. Switch 21b for right front rolling roller and switch 22b for right rear rolling roller
Controls the rotation of the right roller 11b. The oscillation switch 21c and the non-vibration switch 22c control on / off of vibration. The accelerator high speed switch 21d and the accelerator low speed switch 22d control the speed of the vibrating roller body 10 (high speed / low speed).

The hydraulic pump 31 sends oil to the distributor 32. This distributor 32
The pressure oil from the hydraulic pump 31 is supplied to each of the electromagnetic switching valves 34a to 34a.
Oil is distributed to each port of 4d. Each of these electromagnetic switching valves 34a
34d feed oil to each hydraulic cylinder 37a-37d. These hydraulic cylinders 37a to 37d expand and contract the cylinder rods based on the oil supply from the electromagnetic switching valves 34a to 34d. Each of these hydraulic cylinders 37a-3
Each link transmits the force from 7d to each lever 12a-12d. These hydraulic cylinders 37a to 37d are
The levers 12a to 12d are tilted via the link system 38. The proximity switches 50a to 50d determine the operating state of each arm 39a to 39d. When the switches 21a to 21d and 22a to 22d are not pressed, as shown in FIG. 11, the left traveling lever 12a, the right traveling lever 12b, the oscillating lever 12c, the accelerator lever 1 are used.
2d is released and each of the levers 12a to 12d is manually operated.

Next, a method of using, operating and manipulating the remote control vibrating roller R will be described. (How to use) As shown in FIG. 1, the operator turns the key switch 61 of the vibrating roller body 10 to start the engine. And control box 2
When the power switch 23 of 0 is turned on, the operator moves the vibrating roller R to a position where it is easy to operate. Next, the operator operates the vibrating roller body 10 so as to travel in a desired direction. In addition, each switch 21a-d, 22a-
Since the levers 12a to 12d are released when the operator does not press 22d, the operator can also sit on the driving seat 13 to drive.

(Operation) Next, the operation of the remote control vibrating roller R will be described. When the switch 21a for the left front roll roller is pressed, the solenoid directional control valve 34a for the left roller is actuated, and the hydraulic directional control valve 3 for the left roller is applied to the hydraulic pump 31.
Oil is fed to the left roller hydraulic cylinder 37a via 4a. With such pressure oil, the left roller hydraulic cylinder 37
The cylinder rod of a retracts, and the arm 39a connected to the cylinder rod and the left roller rod 40a connected to the arm 39a tilt the left roller lever 12a forward. As a result, the left roller 11a of the vibrating roller body 10 rotates forward. The switch 21a
When is released, the spool of the left roller electromagnetic switching valve 34a returns to the neutral position by the internally provided spring, and the hydraulic pump 31 stops.

On the other hand, when the left rear-rolling roller switch 22a is pressed, the hydraulic pump 31 sends oil to the left-roller hydraulic cylinder 37a via the left-roller electromagnetic switching valve 34a, and the left-roller hydraulic pressure is supplied by the pressure oil. The cylinder rod of the cylinder 37a extends, the arm 39a connected to the cylinder rod, and the left roller rod 40a connected to the arm 39a are connected to the left roller lever 12b.
And the left roller 11a of the vibrating roller body 10 is rotated backward. The same applies to the operations of the right front roll roller switch 21b and the right rear roll roller switch 22b.

When the vibration-exciting switch 21c is pressed, the hydraulic pump 31 sends oil to the vibration-exciting hydraulic cylinder 37c through the vibration-exciting electromagnetic switching valve 34c. The cylinder rod extends,
An arm 39c connected to the cylinder rod, and an exciting rod 40c connected to the arm 39c.
However, the oscillating lever 12c is tilted forward, whereby the vibrating roller body 10 starts vibrating. In addition, when the vibration damping switch 22c is pressed, the reverse operation is performed, and the vibration roller body 1
0 stops the vibration.

When the accelerator high speed switch 21d is pressed, the hydraulic pump 31 sends oil to the accelerator hydraulic cylinder 37d through the accelerator electromagnetic switching valve 34d, and the pressure oil causes the cylinder rod of the accelerator hydraulic cylinder 37d to move. An arm 39d that extends and is connected to the cylinder rod and an accelerator rod 40d that is connected to the arm 39d tilts the accelerator lever 12d rearward, whereby the vibrating roller body 10 runs at high speed. When the accelerator low speed switch 22d is pressed, the reverse operation is performed and the vibrating roller body 10 runs at a low speed. Further, when the emergency stop switch 21e is pressed, the engine stopper 65 operates and the engine of the vibrating roller body 10 stops.

(Control Method) When the remote control vibrating roller R is moved forward, the left front roller switch 21a and the right front roller switch 21b may be pressed. The left roller 11a and the right roller 11b roll forward and can move forward. The switch 21 for the left front roller is
Since the left roller lever 12a and the right roller lever 12b are in the same positions even when the hand is released from the switch a for the right front roll roller 21a and the right roller lever 12b, the vibrating roller body 10 continues to move forward. In addition, in the case of stopping, it can be stopped by pressing the left rear-rolling roller switch 22a and the right rear-rolling roller switch 22b to set the left roller lever 12a and the right roller lever 12b to the neutral position.
In addition, when moving backward, switch 2 for the left rear roller
2a and the right rear roll roller switch 22b may be further pressed.

The left roller 1 of the vibrating roller body 10
1a and the right roller 11b can be driven independently. Therefore, by pushing the left front roll roller switch 21a and the right front roll roller switch 21b, it is possible to turn right or left. Further, by pushing the switch 21a for the left front rolling roller and the switch 22b for the right rear rolling roller, or vice versa, it is possible to turn right or left at a fixed position. When the vibration raising switch 21c is pressed, the vibration roller main body 10 is vibrated, and when the non-vibration switch 22c is pressed, the vibration roller main body 10 is stopped. When the accelerator high speed switch 21d is pressed, the vehicle runs at high speed, and when the accelerator low speed switch 22d is pressed, the vehicle travels at low speed.

According to such a remote control vibrating roller R, the control box 20 is configured to wirelessly control the control unit 30 installed in the vibrating roller body 10 for operating the vibrating roller body 10. It is possible to eliminate troublesome work such as isolating and protecting the wire, and eliminating troubles such as cable disconnection and connector contact failure that occur because it is wire, improving safety and reducing costs. can do. Further, the operation position of the operator is not limited, and the operator can sufficiently see the rolling state of the vibrating roller R, and the workability can be improved.

Further, since the control unit 30 is constructed so that it can be switched between manual operation and wireless operation by the control box 20, there is a case where the control unit 30 which receives radio waves detects noise and malfunctions. Even if the power switch 23 of the control box 20 is turned off, the manual operation is automatically switched to the manual operation of the vibrating roller R. Therefore, the safety of the vibrating roller R can be improved.

In the present embodiment, when connecting the control unit 30 and the vibration roller body 10, the plug 62 of the control unit 30 is fitted to the adapter 63 of the vibration roller body 10, and various known connectors are used. The plug 62 and the adapter 63 may be directly connected without using the plug 62 and the adapter 63. In the present embodiment, hydraulic cylinders are used as the cylinders 37a to 37d, but the scope of the present invention is not limited thereto, and other fluids such as empty cylinders are used in the present invention. A pressure type device or the like suitable for carrying out the present invention can be used. Further, the control box 20 controls only the rotation, speed, and on / off of vibration of the left roller 11a and the right roller 11b of the vibrating roller body 10, but the scope of the present invention is not limited thereto. In the present invention, it is possible to control other things, for example, starting of the engine of the vibrating roller body 10, horn, turning on / off of lights, etc., which are suitable for carrying out the present invention.

Further, each of the electromagnetic switching valves 34a to 34d.
The four-port three-position spring center ABT type is used in the present invention, but the scope of the present invention is not limited thereto, and in the present invention, for example, a four-port throttle switching valve, etc. Any suitable one can be used. Further, although the proximity switches 50a to 50d are provided near the arms 39a to 39d, the scope of the present invention is not limited thereto, and the present invention is suitable for carrying out the present invention. Can be installed in any position. Further, although the link system 38 has the above-mentioned configuration, it is not intended to limit the scope of the present invention thereto, and the present invention can have a suitable configuration for carrying out the present invention.

[0041]

As is apparent from the above description, according to the remote control vibrating roller of the present invention, the control box controls the control unit installed on the vibrating roller body and operating the vibrating roller body by wireless operation. Since the configuration is adopted, it is possible to eliminate the work of handling the wire, and it is possible to avoid troubles such as cable breakage caused by the wire, which improves safety and reduces cost. Further, since the vibrating roller can be operated wirelessly, the operation position of the operator is not limited, and the operator can fully see the rolling state of the vibrating roller, and the workability can be improved.

Further, since the control unit is configured to be capable of switching between manual operation and wireless operation by the control box, when the wireless receiving device malfunctions or falls into the unreceivable state, it is manually operated. By operating, the vibrating roller is operated reliably. Therefore, it is possible to obtain the effect of improving safety.

[Brief description of drawings]

FIG. 1 is a perspective view of a remote control vibrating roller of the present invention.

FIG. 2 is a front view of the control box of FIG.

FIG. 3 is a plan view of a control unit.

FIG. 4 is a side view showing a connection state between a left hydraulic cylinder and a distributor.

FIG. 5 is a side view showing a connection state between an accelerator hydraulic cylinder and a distributor.

FIG. 6 is a side view showing a connected state between a vibration hydraulic cylinder and a distributor.

FIG. 7 is a front view of a control unit.

FIG. 8 is a plan view of the link system.

FIG. 9 is a side view of the link system.

FIG. 10 is a circuit diagram of a control unit operated by wireless operation.

FIG. 11 is a circuit diagram of a vibrating roller body that is manually operated.

[Explanation of symbols] R Remote control vibration roller 10 Vibration roller main body 20 Control box 30 Control unit 31 Hydraulic pump 32 Distributor 33 High pressure hose 34 Electromagnetic switching valve unit 38 Link system

Claims (1)

[Claims] 1. A remote control vibrating roller comprising: a vibrating roller body for compacting the ground by vibration and rolling pressure; and a control box for controlling the traveling of the vibrating roller body, wherein the control box comprises: A control unit installed in the vibrating roller body for operating the vibrating roller body is configured to be controlled by wireless operation, and the control unit is configured to be switchable between manual operation and wireless operation by the control box. Remote control vibrating roller.