JP2001278600A - Work vehicle external adjustment device - Google Patents

Abstract

(57) [Problem] To enable simple and easy testing and adjustment of a work vehicle using an adjustment tool detachably connected to a controller from the outside. SOLUTION: An aerial work vehicle having a work table 7 attached to a tip end of a boom 3 which is freely undulated on a vehicle body,
It has an actuator device for controlling the up-and-down movement of the boom 3, a controller for controlling the operation of the actuator device, and an operation device 8 that is operated by an operator and outputs an operation signal to the controller. The external adjustment device has an adjustment tool 20 detachably attached to the work vehicle and electrically connected to the controller. The adjustment tool 20 can set an arbitrary adjustment signal by operating a keyboard or the like. The adjustment signal set by 20 is sent to the controller to control the adjustment operation of the boom 3 and the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work vehicle such as an aerial work vehicle and the like, in which the operation of a working device is controlled by an adjustment tool (for example, a personal computer) detachably connected from the outside. The present invention relates to an external adjustment device for performing operations and the like.

[0002]

2. Description of the Related Art An aerial work vehicle is configured such that a boom is provided on a movable vehicle such that the boom can freely rotate, undulate, expand and contract, and a work table is attached to a tip of the boom. An operating device is provided on the workbench, and a worker on the workbench operates the operating device to turn, bounce, extend and retract the boom, and move the workbench to a desired height to perform work. What is meant to do is generally known. In such an aerial work vehicle, when performing an operation test or operation adjustment of a working device, that is, a boom, or performing a start-up inspection, each time a worker rides on a workbench to operate the operating device. If it is performed, there is a problem that it is not preferable in terms of safety and that the efficiency is not good.

[0003] For this reason, conventionally, an adjustment tool is connected to the controller from the outside, and the controller is set to a mode for receiving an external signal (remote mode). The operation of a working device (such as a boom) is performed by a control signal, and an operation test, an operation adjustment, and a start-up inspection are performed.

[0004]

However, when performing an operation test, adjustment, or the like of a working device in this manner, it is desired that the working device be operated not only from the adjusting tool but also from an operating device on a working table. In some cases, in this case, it is necessary to switch the controller from the remote mode to the normal operation control mode each time, and there is a problem that the usability is not good. When an adjustment tool is used, the adjustment tool is connected to the controller instead of the operation device, and an operation signal is output from the adjustment tool to the controller instead of the operation device to perform an operation test, adjustment, and the like of the working device. However, in order to connect the adjustment tool to the controller in this way, a dedicated connection jig is required, and there is a problem that the reconnection operation is troublesome. Further, since the number of pins (the number of poles) and the pin position of the connector for connection with the controller slightly differ depending on the model, there is also a problem that a different connecting jig is required for each model.

When testing or adjusting a working device, data is often collected by operating the working device for a long time or by operating the working device according to a predetermined operation pattern. In such tests and adjustments, it is necessary for the operator to operate the operating device in accordance with the operation pattern for a long time or repeatedly, and there is also a problem that the burden on the operator is large.

The present invention has been made in view of such a problem.
Just connect one kind of adjustment tool to the controller,
A working vehicle in which the operating device and the controller provided in the working vehicle are kept as they are, and the working device is operated using this adjustment tool, so that the test and adjustment of the working vehicle can be performed easily and easily. It is an object of the present invention to provide an external adjustment device.

[0007]

In order to achieve the above object, an external adjusting device according to the present invention includes a working device provided on a vehicle body for performing a predetermined work, and an actuator device for operating the working device. A controller that controls the operation of the actuator device, and an operation device that is operated by an operator and outputs an operation signal to the controller. The controller is configured to operate the actuator device based on an operation signal input in response to the operation of the operation device. Is used in a work vehicle configured to control the operation of the operation device and to perform work by a work device according to operation of the operation device. This external adjustment device has an adjustment tool detachably attached to the work vehicle and electrically connected to the controller. The adjustment tool can set an arbitrary adjustment signal by an external operation, and can be set by the adjustment tool. By sending the adjusted signal to the controller, the adjustment operation of the working device can be controlled.

If an external adjustment device having such a configuration is used, simply by connecting the adjustment tool to the controller (while the connection between the operating device and the controller remains unchanged), the adjustment tool outputs an adjustment signal to the controller and outputs the adjustment signal. The operation control of the working device based on the operating device can be performed, and the test, adjustment, and the like can be easily and easily performed by operating the working device from the outside only by operating the adjustment tool without operating the operating device.

In this case, it is preferable that the adjustment tool is constituted by a personal computer and the adjustment signal to be output to the controller can be set by operating the personal computer. By doing so, for example, it is possible to generate an arbitrary adjustment signal by a keyboard operation, a mouse operation, or the like of the computer, and control the operation device to be arbitrarily operated by the external adjustment device.

When the external adjustment device of the present invention is used, a series of adjustment signals output from the adjustment tool to the controller can be stored, and the stored series of adjustment signals can be reproduced and output to the controller. It is preferable to do so. In this way, a series of adjustment operations performed using the adjustment tool can be repeated and reproduced as it is. Even when performing adjustment work of a plurality of aerial work vehicles, the series of adjustment operations can be performed individually. It can be accurately reproduced for each work vehicle, and the adjustment work and the like can be performed efficiently.

An adjustment signal program for performing a series of operations by the working device can be stored and saved in the adjustment tool, and the stored adjustment signal program is output from the adjustment tool to the controller to perform a series of operations by the working device. You may be made to be able to make it. This allows
It is possible to set and store an operation or the like according to a predetermined operation pattern as an adjustment signal program as an adjustment signal program, and accurately reproduce the operation in the predetermined operation pattern by outputting this adjustment signal program.
Adjustment work and the like can be performed easily and easily.

[0012] In a work vehicle having a detector for detecting the operation of the working device and a state generated in response to the operation, a detection signal from the detector is input to the controller. It is preferable that the configuration is such that when the work apparatus is operated by outputting the adjustment signal, the detection signal from the detector can be taken into the adjustment tool via the controller. This allows
The operating tool is operated based on the adjusting signal from the adjusting tool, and at the same time, the signal from the detector that detects the operating state of the operating device is also grasped by the adjusting tool, so that the adjusting operation and the like can be performed easily and quickly. it can.

When using the external adjusting device according to the present invention,
The controller is configured to be capable of performing both the operation control of the working device based on the operation signal sent from the operating device and the operation control of the working device based on the adjustment signal sent from the adjusting device. preferable. In this case, the controller is configured to, when simultaneously receiving the operation signal from the operation device and the adjustment signal from the adjustment device, transmit a signal for operating the work device from the controller based on a predetermined logic. Is preferred.

With this configuration, it is possible to operate the operating device by operating the operating device while operating the operating device using the adjustment tool, and by combining these two operations, the efficiency can be improved. Good adjustment work. However, when two signals are input simultaneously, for example,
Like giving priority to the operation signal or not outputting the signal when the two signals are different,
It is desirable to determine processing logic in advance and perform operation control based on this logic.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an aerial work vehicle to which an external adjustment device according to the present invention is detachably attached to perform operation adjustment and the like. This aerial work vehicle,
The vehicle has a swivel base 2 that can be horizontally swiveled on a vehicle body 1 that can run with an operating cabin 1a and front and rear wheels 1b. A boom 3 is pivotally connected to the swivel base 2 so as to be able to move up and down. Boom 3
Is composed of a base end boom 3a, an intermediate boom 3b and a distal end boom 3c assembled in a telescopic manner, and is telescopically operated by a built-in telescopic cylinder (not shown).

A vertical post 5 is attached to the tip end of the tip boom 3c so as to swing up and down, and a work table 7 is attached to the vertical post 5 so as to be able to vibrate the neck (horizontal rotation). The vertical post 5 is always held vertically by a leveling mechanism composed of an upper leveling cylinder 6a and a lower leveling cylinder 6b, and the work table 7 is always held horizontally. The workbench 7 is provided with an operation device 8 having an operation lever 8a operated by an operator boarded here.
A lifting device 9 is provided at the upper end of the vertical post 5. Further, outrigger jacks 10 are provided on the front, rear, left and right sides of the vehicle body 1 to lift and support the vehicle body when working at a high place.

In this aerial work vehicle, the swivel base 2 is swiveled by a swivel motor (not shown), and the boom 3 is swung up and down by an up and down cylinder 4 and is operated by a telescopic cylinder. In the present specification, these turning motors, undulating cylinders, telescopic cylinders, and the like are referred to as actuators. These actuators are operated by receiving hydraulic pressure from an operation control valve (not shown), and the actuator and the operation control valve constitute an actuator device according to the claims.

When working with the aerial work vehicle having the above structure, the outrigger jack 10 is first extended to lift and support the vehicle body 1 as shown in FIG. At this time, the boom 3 is completely reduced, and is placed on the boom rest 11 and is in a stored state. Next, the operator gets on the worktable 7 and operates the operation lever 8a of the operation device 8 to turn the turntable 2.
, Turning the boom 3 up and down and expanding and contracting,
After moving the workbench 7 to a desired height, a work on the workbench 7 is performed by a worker on the workbench.

As described above, when the worker is on the work table 7 to perform a high-altitude operation, the operator only has to operate the operation lever 8a. When performing an operation check or the like at the time, it is convenient if various operations can be performed from the ground without boarding the work table 7. For this reason, the adjustment tool 20 can be detachably connected to the rear part of the vehicle body 1 via the connector 16 and the cable 16, and the operation test or the like is performed by operating the boom 3 using the adjustment tool 20. Have to be able to. In this example, the adjustment tool 20 is constituted by a commercially available personal computer, but a dedicated computer may be used.

The structure of the adjusting tool 20 and the structure of the controller 30 provided in the aerial work vehicle for controlling the operation of the actuator will be described with reference to FIG. First, the configuration and operation of the controller 30 for the aerial work vehicle will be described.

The controller 30 has a control operation output unit 3 which receives an operation signal from an operation device 8 provided on the work table 7.
3 is provided. The operator on the platform 7 operates the operating lever 8
When a is operated, an operation signal corresponding to the operation is input from the operation device 8 to the control calculation output unit 33, an output signal is calculated based on the operation signal, and the output signal is output to the control valve 55. The control valve 55 is actuated by this output signal to supply hydraulic oil to the actuator 56. As a result, the actuator 56, that is, the swing motor, the up-and-down cylinder, and the telescopic cylinder are operated, and the swivel base 2 and the boom 3 are operated in response to the operation of the operation lever 8a.

At this time, from the output signal, which direction or how the work table 7 moves is determined by the control calculation output unit 33, and this operation information is output as audio information by the audio guide unit 57. For example, when the workbench 7 descends due to the operation of lowering and raising the boom 3,
The voice information “Workbench descends” is output to the worker boarding the workbench 7 to warn the user.

Various sensors (detectors) 51 are provided for detecting the turning angle of the swivel 2, the up-and-down angle and extension of the boom 3, the work table load, the axial force of the up-and-down cylinder 4, and the like. When the swivel 2 and the boom 3 are operated as described above, the detection value of the sensor 51 is input to the monitor data transmission unit 34 in the controller 30 and the detection result is displayed on the display 52 provided on the operation device 8. Is displayed in.

The adjustment tool 20 has a keyboard / mouse input unit 21 composed of a keyboard, a mouse, and the like, and can input an adjustment signal by keyboard operation and mouse operation. The adjustment signal thus input is stored in the operation recording unit 2.
3 and sent to the command transmitting unit 25 and sent to the command receiving unit 31 of the controller 30 via the cable 16. The adjustment signal received by the command receiving unit 31 is replaced by a signal equivalent to the operation signal from the operation device 8 by the signal replacement unit 32 and sent to the control calculation output unit 33. The control calculation output unit 33 calculates an output signal based on a signal equivalent to the operation signal, and outputs the output signal to the control valve 55. As a result, control for operating the swivel 2 and the boom 3 according to the adjustment signal is performed.

The adjustment tool 20 has a sequence processing unit 24, and can send a series of adjustment signals recorded and stored in the operation recording unit 23 to the command transmission unit 25 via the sequence processing unit 24. Keyboard / mouse input unit 2
1 are stored in the operation recording unit 23 in chronological order, and a series of adjustment signals stored in chronological order are processed in the sequence processing unit 24 and sent to the command transmitting unit 25. Outgoing, and the controller 30
, A series of swivel and boom operations corresponding to the series of adjustment signals can be performed. For this reason, for example, the same operation as a series of operations performed by inputting from the keyboard / mouse input unit 21 can be easily reproduced, and the same adjustment operation can be repeatedly performed.
The same adjustment operation can be easily performed by another vehicle.

The adjustment tool 20 further has a simplified language program section 22. Simple language program unit 22
Is configured to input and store a series of adjustment signal programs by a keyboard operation or the like using a simple language. It should be noted that the adjustment signal program separately created using the simple language is stored in the simple language program section 22.
May be stored. The adjustment signal program stored in this way is sent to the command transmission unit 25 via the sequence processing unit 24, and further sent to the controller 30 to perform a series of operations of the swivel base and the boom based on the adjustment signal program. it can.

The adjustment tool 20 includes a monitor data receiving unit 2
6, a data recording unit 27, and a data display unit 28. The monitor data receiving unit 26 is connected to the connector 15 and the cable 1 from the monitor data transmitting unit 34 of the controller 30.
6, the detection signal sent from the sensor 51 is received and stored in the data recording unit 27 and displayed on the data display unit 28 as necessary.

As can be clearly understood from the above configuration, an adjustment signal from the adjustment tool 20 and an operation signal from the operating device 8 can be input to the controller 30, and any of the signals can be used to operate the swivel, the boom, or the like. Can be performed. Therefore, the adjustment signal and the operation signal may be input at the same time. At this time, if both signals are signals for instructing the same operation, an output signal based on this signal is output from the control calculation output unit 33 to the control valve 55.

On the other hand, when the two signals are different from each other, an output signal processed by the control operation output unit 33 in accordance with the processing logic set in advance is output to the control valve 55. As this processing logic, for example, a processing logic that prioritizes an operation signal from the operation device 8, a processing logic that cancels both signals and does not operate, and a decision as to which one is prioritized according to the difference between the two signals are determined. There is a processing logic or the like performed according to this. In this case, what action is performed on the worker on the workbench 7 is output by the voice guide device 57 to call attention of the worker.

The operating device 8 is often provided with a button or lever for outputting a command to move the worktable vertically or horizontally. When such a vertical or horizontal movement command is output, control for moving the work table vertically or horizontally by simultaneously controlling the turning, raising and lowering, and extension and contraction operations of the boom is performed. In the case of an aerial work vehicle having such a function, a command to perform vertical or horizontal movement is output from the adjustment tool 20 so that an operation test thereof can also be performed.

[0031]

As described above, the external adjusting device according to the present invention has an adjusting tool detachably attached to a work vehicle and electrically connected to a controller, and the adjusting tool can be arbitrarily operated by an external operation. Adjustment signal can be set, and the adjustment signal set by the adjustment tool is sent to the controller so that the adjustment operation of the working device can be controlled. Therefore, only by connecting the adjustment tool to the controller (operation device The connection between the controller and the controller remains the same), the adjustment tool outputs an adjustment signal to the controller, and the operation of the working device can be controlled based on the adjustment signal. The operation and operation of the working device can be performed easily and easily.

In this case, it is preferable that the adjustment tool be constituted by a personal computer, whereby an arbitrary adjustment signal is generated by operating the keyboard or mouse of the computer, and the external adjustment device is used to control the operation device to operate arbitrarily. Becomes possible. In addition, it is preferable that a series of adjustment signals output from the adjustment tool to the controller be stored, and the series of adjustment signals stored as described above be reproduced and output to the controller. It is possible to repeat the series of adjustment operations performed using it as it is, and even when performing adjustment work for multiple aerial work vehicles, the series of adjustment operations are accurately reproduced for each work vehicle And adjustment work and the like can be performed efficiently.

Further, the adjustment signal program may be stored and stored in the adjustment tool, and the stored and stored adjustment signal program may be output from the adjustment tool to the controller so that a series of operations can be performed by the working device. This makes it possible to set and store the operation etc. according to the predetermined operation pattern as an adjustment signal program as an adjustment signal program, and to accurately reproduce the operation in the predetermined operation pattern by outputting this adjustment signal program. Thus, the adjustment work and the like can be performed easily and easily.

Further, it is preferable that when the operating device is operated by outputting an adjustment signal from the adjustment tool to the controller, a detection signal from the detector can be taken into the adjustment tool via the controller. Thus, the operating device is operated based on the adjusting signal from the adjusting tool, and at the same time, the signal from the detector that detects the operating state of the operating device is also grasped by the adjusting tool, so that the adjusting operation and the like can be performed easily and quickly. be able to.

When using the external adjusting device according to the present invention,
The controller is configured to be able to perform any of the operation control of the working device based on the operation signal sent from the operating device and the operation control of the working device based on the adjustment signal sent from the adjusting device. Preferably, in this case, the controller sends a signal for operating the working device from the controller based on a predetermined logic when the controller receives the operation signal from the operation device and the adjustment signal from the adjustment device at the same time. It is preferable to configure as follows.

With this configuration, it is possible to operate the operating device by operating the operating device while operating the operating device using the adjustment tool. By combining these two operations, the efficiency can be improved. Good adjustment work. However, when two signals are input simultaneously, for example,
Like giving priority to the operation signal or not outputting the signal when the two signals are different,
It is desirable to determine processing logic in advance and perform operation control based on this logic.

[Brief description of the drawings]

FIG. 1 is a front view showing an aerial work vehicle to which an external adjustment device according to the present invention is detachably attached.

FIG. 2 is a block diagram showing a configuration of an adjusting device according to the present invention and a controller to which the adjusting device is connected.

[Explanation of symbols]

 2 Swivel 3 Boom 7 Workbench 8 Operating device 20 Adjustment tool 30 Controller 55 Control valve 56 Actuator

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3F333 AA08 AA15 AB01 AC01 AC12 BA12 BB08 BB23 BD02 BE02 CA21 CA24 FA40

Claims (6)

[Claims] A working device provided on a vehicle body for performing a predetermined work, an actuator device for operating the working device, a controller for controlling the operation of the actuator device, and the controller being operated by a worker. An operation device that outputs an operation signal to the controller, wherein the controller controls the operation of the actuator device based on an operation signal input in response to the operation of the operation device, and responds to the operation of the operation device. An external adjustment device used in a work vehicle configured to perform work by the work device, wherein the adjustment tool is detachably attached to the work vehicle and is electrically connected to the controller. The adjustment tool can set an arbitrary adjustment signal by an external operation, and the adjustment signal set by the adjustment tool is Work vehicle external adjustment device, characterized in that by sending the controller has become possible to adjust the operation control of the working device. 2. The method according to claim 1, wherein a series of adjustment signals output from the adjustment tool to the controller is stored, and the stored series of adjustment signals is reproduced and output to the controller. The work vehicle external adjustment device according to claim 1. 3. An adjustment signal program for causing the operation device to perform a series of operations can be stored and stored in the adjustment tool, and the stored adjustment signal program is output from the adjustment tool to the controller. The external adjustment device for a work vehicle according to claim 1, wherein the series of operations can be performed by the work device. 4. A controller for detecting an operation of the working device and a state generated in accordance with the operation, wherein a detection signal from the detector is input to the controller. When the adjustment device outputs the adjustment signal from the tool to the controller to operate the work device, a detection signal from the detector can be input to the adjustment tool via the controller. Item 4. An external adjustment device for a work vehicle according to any one of Items 1 to 3. 5. The controller according to claim 1, wherein the controller controls operation of the working device based on an operation signal transmitted from the operation device.
The external adjustment device according to any one of claims 1 to 3, wherein control can be performed by any of operation control of the working device based on an adjustment signal sent from the adjustment tool. 6. When the controller receives an operation signal from the operation device and an adjustment signal from the adjustment device at the same time, the controller controls the operation of the working device based on a predetermined logic. The external adjustment device according to claim 5.