JP2507805Y2 - Work vehicle control device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a control device provided in an operation cabin provided on a chassis to control a work vehicle so that an operator can smoothly get in and out of the operation cabin. It relates to the device.

[0002]

2. Description of the Related Art Conventionally, a manipulator device and various working devices such as a monitor camera for monitoring the work hand of the manipulator device are provided on a base plate provided on the tip of a boom that is provided on a turntable at the rear of a chassis so as to extend and retract. In a work vehicle equipped with an operation cabin on the turntable side of the boom base end portion where an operator rides to perform various operations of the boom, manipulator device, monitor camera, etc. The actual situation was that operating devices such as booms and manipulator devices, monitor devices for video cameras, etc., were confined.

[0003]

[Problems to be Solved by the Invention] However, since the operation cabin turns along with the turntable turning, the size of the operation cabin cannot be set to a certain size or more, but the work is advanced with the recent sophistication of electrical work and facility work. The increase of various working devices added to the vehicle is significant, and therefore the operating devices for those devices installed in the operating cabin must be installed at various points in the operating cabin, but the switches and operating levers of all devices are installed. It is not considered to be placed efficiently and centrally in a position that is easy for the operator to operate, and it is not easy to use and has poor operability.Because the operation panel etc. are placed just before the seat. There was a problem that it was difficult for the operator to get on and off the cabin.

[0004]

The present invention has been made in view of the above-mentioned problems, and an object thereof is to improve a control device provided in an operation cabin provided on a chassis. In view of the above, there is a need to provide a control device for a work vehicle that enables an operator to smoothly get in and out of a cabin for operation.
In a control device for a work vehicle, which comprises an operation cabin, and an operation unit for controlling the operation of the work device is provided in the operation cabin, the operation unit is substantially different from a front panel of the operation cabin. It is swingably mounted on a horizontal position and a tilting device with its rear end lifted upward, and in a tilted state, it is slidable between a projecting position projecting backward from the front panel and a storage position stored in the front panel. To be installed.

[0005]

With the above-described configuration, when the operator gets on and off the operation cabin, the operator of the control unit is located at the storage position in the front panel so that the operator in the operation cabin can operate the work unit. When controlling, the operating part of the control device stored in the front panel is slid so that it protrudes rearward from the front panel, and in this state the operating part is swung downwards so that the operating part is in front of the operator. Since it is positioned substantially horizontally, the operation section does not become an obstacle when the operator gets on and off the operation cabin.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a control device for a work vehicle according to the present invention will be described in detail below with reference to FIGS. 1 to 4A and 4B. In addition, this embodiment will be described by taking a control device mounted on a work vehicle that is generally used for maintenance and management work of various facilities other than high-voltage distribution line construction as an example.

In the figure, reference numeral 1 is a work vehicle. The work vehicle 1 has a subframe 1b mounted on a chassis provided with a driving cabin 1a in front thereof, and it is sufficient that various work devices described later are mounted. It is configured to provide various strength and safety. Numeral 1c is an outrigger provided on the left and right front and rear of the sub-frame 1b so as to extend a predetermined width so as to be able to contact the ground. The operating range of the operating device on the sub-frame 1b, which will be described later, that is, the boom 3 and the working machine (manipulator device, video camera, etc. in this embodiment) provided at the tip of the boom 3 is configured to be expanded. .

A turntable 2 which is rotatable by a hydraulic motor (not shown) is installed on the subframe 1b behind the operation cabin 1a.
A boom 3 having a base end rotatably and telescopically supported at the top (in this embodiment, a boom having a three-stage telescopic structure in which the base boom 3a, the intermediate boom 3b, and the tip boom 3c are sequentially inserted) is shown. The boom 3 is mounted and lifted by expanding and contracting a lifting cylinder 4 mounted between the lower surface of the base end boom 3a and the turntable 2.

The expansion and contraction of the intermediate boom 3b and the tip boom 3c of the boom 3 is performed by the base boom 3a and the intermediate boom 3
It is configured so that the expansion and contraction of the expansion and contraction cylinder 5 built in b. Further, a base plate 6 is provided at the tip of the tip boom 3c so as to be always kept in balance, and a manipulator device 7 is installed at a lower portion of the base plate 6, and a desired work place and a manipulator device 7 are provided on the base plate 6. A video camera 8 is provided to monitor the work area of the.

An operation cabin 9 is provided on the turntable 2, and a control device 10 for controlling the operations of the turntable 2, the boom 3, the manipulator device 7, the video camera 8 and the like is provided in the operation cabin 9. A monitor television 8a for monitoring an image of a work place by the video camera 8 is provided. By the way, the front panel P in the operation cabin 9 has a seat 9 in the operation cabin 9.
The monitor TV 8a is attached at a height where the operator M can easily see it while sitting on a, and the storage case 10a is housed at the upper end of the front panel P located below the monitor TV 8a so that the front is inclined downward. In the storage case 10a, an operation portion 10b which is a part of the control device 10 is provided in a storage position where the operation portion 10b is stored in the storage case 10a and a projecting position which is pulled out rearward (on the operator side) from the front panel P. The operation portion 10b is provided so as to be slidable and swingable between an inclined position in which the rear end is lifted upward while protruding from the front panel P and an operation position substantially horizontal to the front panel P. At the rear end of the operation unit 10
The storage case 10a when the b is swung to the operating position
An abutting piece 11 is attached to abut the upper surface of the rear end portion and hold the operating portion 10b substantially horizontally with respect to the front panel P.

Further, when the operation portion 10b is pulled out from the storage case 10a, the operation portion 10b is detached from the storage case 10a and the rear end inner surface of the storage case 10a and falls off from the storage case 10a. In order to prevent this, stopper pieces 12a and 12b are attached, which abut when the operating portion 10b slides to a predetermined position with respect to the storage case 10a and prevent further sliding. Reference numerals 13a and 13b are sliders.

Hereinafter, the operation of the control device for a working vehicle according to the present invention will be described in detail based on the above configuration. That is, when performing work at a high place such as an overhead line using the work vehicle 1 adopting the work vehicle control device according to the above-described embodiment, first, the outrigger 1c of the work vehicle 1 parked at a predetermined position is set. Then, the turntable 2 and the boom 3 are swung, raised and retracted, and extended and retracted to move the manipulator device 7 mounted on the lower surface of the base plate 6 and the video camera 8 on the base plate 6 to a desired working position, and operate the video camera 8. The target work location is captured, the state is displayed on the monitor television 8a equipped in the operation cabin 9, and the manipulator device 7 is operated to perform a predetermined work at a high place.

In performing the above-described various operations, the operator M naturally enters the operation cabin 9, sits on the seat 9a, and watches the monitor television 8a above the front panel P located in front of the seat 9a. A predetermined control device 10 is operated, but when the operator M enters the operation cabin 9, the operation part 10b which is a part of the control device 10 is provided on the front panel P located below the monitor television 8a. It is in a state of being pushed and stored in the provided storage case 10a.

Therefore, when the operator M enters the operation cabin 9, the operation portion 10b does not interfere with the operator M and the operation portion 10b is in front of the storage case 10a while the operator M is seated on the seat 9a. Be drawn to. That is, the operation unit 1 stored in the storage case 10a
Since 0b is stored so that the front is inclined downward until it is pulled out, when pulling out during operation, the front side of the operation unit 10b is pulled out obliquely upward,
When the drawer reaches the limit, the inner side surface of the rear end of the storage case 10a and the stopper pieces 12a, 12b provided on the side surface of the rear end of the operation portion 10b come into contact with each other, so that the operation portion 10b may be accidentally dropped by the extraction. Stop without any. In this state, the operating portion 10b is in a state of being inclined with the front side thereof positioned above and the operator M seated on the seat 9a.
Pushes the front side of the operating portion 10b downward to swing downward, and the contact piece 1 provided at the rear end of the operating portion 10b.
1 contacts the upper surface of the rear end of the storage case 10a, the entire operation portion 10b is restricted to a substantially horizontal state, and the seat 9a
The operator M, who is seated at, is set at a position on the knee where it is easy to operate.

After the work is completed, the operating portion 10b can be easily stored in the storage case 10a by the reverse procedure of the above-mentioned withdrawing operation, so that the operator M seated on the seat 9a has no trouble in getting out of the operation cabin 9. It is possible to get off smoothly without any problems.

[0016]

As described in detail above, the present invention is a work in which a working device and an operating cabin are provided on a chassis, and an operating section for controlling the operation of the working device is provided in the operating cabin. In a vehicle control device, the operation part is swingably provided in a substantially horizontal position with respect to a front panel of the operation cabin and an inclining device having a rear end lifted upward, and in the inclined state, Since it is slidably installed between the protruding position that protrudes rearward from the panel and the storage position that is stored in the front panel, there is plenty of space around the seat and the operator does not have to be in an uncomfortable posture. It is possible to sit down, and when operating the work machine during work, the operator can pull out with one touch to the position where the operator can easily operate the operation part of the control device, so the operation and convenience are greatly improved. It has an excellent effect of.

[Brief description of drawings]

FIG. 1 is an explanatory view showing the structure of a work vehicle equipped with an embodiment of a work vehicle control device according to the present invention.

FIG. 2 is a partially cutaway explanatory view of a main part of FIG.

FIG. 3 is a perspective view showing a sliding / swinging structure of an operation unit with respect to a storage case.

4 (a) and 4 (b) are explanatory views showing a sliding and rocking state of the operating portion with respect to the storage case.

[Explanation of symbols]

 1 Work Vehicle 1a Driving Cabin 1b Subframe 1c Outrigger 2 Turntable 3 Boom 4 Elevating Cylinder 5 Telescopic Cylinder 6 Base Plate 7 Manipulator Device 8 Video Camera 8a Monitor TV 9 Operation Cabin 10 Control Device 10a Storage Case (Tilt Device) 10b Operation Unit 11 Contact piece 12a, 12b Stopper piece P Front panel

Claims (1)

(57) [Scope of utility model registration request] 1. A control device for a work vehicle, comprising: a work device on a chassis and an operation cabin; and an operation part for controlling the operation of the work device provided in the operation cabin. Is swingably provided in a substantially horizontal position with respect to the front panel of the operation cabin and a tilting device whose rear end is lifted upward, and in a tilted state, a protruding position and a front panel protruding rearward from the front panel. A control device for a work vehicle, which is slidably provided in a storage position stored inside.