JPS6181111A - Facility for hot-line construction - 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 live line construction equipment used, for example, to draw out branch distribution lines from high-voltage distribution lines.

(Prior art) It has become common practice for work such as maintenance of overhead power distribution systems and high-voltage overhead lines in urban areas, connection of service lines, branch work, etc. to be carried out in a energized state, that is, in a live line state, due to the demand for uninterrupted service to customers. ing. In order to avoid the dangers of this work, in recent years the so-called potstick method has been adopted, in which the work is carried out using electrical insulating rods while the wires are live. This construction method is preferable because it can meet the strong demand for uninterrupted construction methods from customers. However, construction work at high places requires multiple work steps, and each time these multiple work steps are performed, electric insulating rods are used. It is necessary to replace the tool at the tip of the hot stick, which is dangerous, requires a lot of labor, and has the drawback of low work efficiency.

In order to overcome this drawback, it has been proposed to carry out construction using a robot mounted on an insulated boom extending from an aerial work vehicle (see Japanese Patent Application No. 59-26955). According to this construction method.

Because work is carried out via a robot that is electrically isolated by an insulated boom, even if a part of the aerial work system accidentally comes into contact with a high-voltage line or a low-voltage line, the insulated boom ensures that the aerial work system and the ground system are connected. Since it is electrically insulated, workers will not receive an electric shock. However, even with this construction method, workers had to ride on a basket to operate the robot, which meant working at heights, which was dangerous.

(Purpose of the invention) The purpose of the present invention is to allow one worker to remain on the ground.

Another object of the present invention is to provide live-line construction equipment that allows work to be carried out while completely electrically insulating a high-altitude work place from the ground.

(Structure of the Invention) The live line construction equipment according to the present invention includes a robot mounted on the upper end of an insulated boom extending from an aerial work vehicle and a robot control device for controlling the robot. The robot control device and the robot control panel are connected by an optical fiber extending inside an insulated boom, and the robot control device and the robot control panel are connected by an optical fiber extending inside an insulated boom. It is characterized by being connected by a power cable via an insulated transformer or fluid piping extending inside an insulated boom.

According to this live line construction equipment, one worker can safely work from the ground without having to climb high places.

(Embodiment) An embodiment of the present invention will be described in detail with reference to the drawings. Fig. 1 shows an embodiment of live line construction equipment 10 according to the present invention, and this equipment 10 is a high-rise vehicle such as a packet car. The aerial work vehicle 12 includes a work vehicle body 14 and a packet 18 provided at the upper end of a boom 16 extending from the work vehicle body. The equipment 10 of the present invention has an insulating boom portion 16a at its upper end.
The system includes an elevated work system 20 mounted on a base 18 and a ground system 22 mounted on the work vehicle body 14.

The aerial work system 20 includes at least one robot 2
4, a robot control panel 26 that controls the robot 24, and a hydraulic and pneumatic actuator 2 that drives the robot 24.
8.30 oil chamber pressure equipment 32 (see Figure 2) and power supply 35
including. The robot 24 includes an insulating arm 25.25'. The ground system 22 includes a robot operation panel 34, a hydraulic pressure unit 36, and a relay device 38. It is connected to the robot control panel 26. The hydropneumatic unit 36 is insulated and connected to the aerial work system 20 by hydraulic piping 42 and pneumatic piping 44 located within the insulated boom 16 . As shown in FIG. 2, the hydraulic pneumatic unit 36 includes a hydraulic source 50 consisting of a hydraulic tank 46 and a pump 48, and a pneumatic source 52 consisting of a compressor. The upper system 22 further includes an operation box 54, and the relay device 38 is a control panel 5 that controls the valve 56 of the hydraulic piping 42 and the pump 48.
The operation box 54 , including 8 , is connected to a control panel 58 .

1st E! 4, the 0 worker 64 is using the aerial work vehicle 12.
The hydraulic and pneumatic actuators 28.3 are operated via the robot control panel 26 while operating the robot operation panel 34 while sitting on the robot.
0 to drive the insulating arm 25, 25' and connect the high voltage line l.
Or 0 worker 64 who performs the prescribed work on the low voltage line 2
It is safe because it is mounted on the aerial work vehicle 12 that is close to the ground.

When starting or stopping the equipment 10, the operator presses a button on the operation box 54 to start or stop the hydraulic/pneumatic pressure 22 and 36 and the valve 5.
Operate 6. Aerial work system 20 and ground system 2
2 refers to hydraulic and pneumatic piping 42.2 in the insulating boom 16a.
44 and the optical cable 40, it can be seen that they are electrically insulated.

Although not shown, the control panel 58 above # is connected to a ground power source (not shown), and the pump 48 and air pressure source 52 extract power from the engine of the aerial work vehicle 12. Further, in FIG. 1, reference numeral 3 indicates a mounting pillar.

(Effects of the Invention) According to the present invention, as described above, the high-place work system and the ground system are electrically insulated, so work can be carried out safely, and Since only the above equipment is installed, the aerial system is lighter, and the work vehicle does not need to be at a height and can work on the aerial vehicle, making it safer.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram of live line construction equipment according to the present invention, and FIG. 2 is a system diagram of the equipment according to the present invention. 1-----1 High voltage line, 10---- Live line construction equipment,
12---11 aerial work vehicle, 16a---insulated boom, 20---111 aerial work system, 22---1 ground system, 24-1111 robot, 26- ---
-0 pot control panel, 34----1 robot operation panel, 3
2------Tomari pneumatic equipment, 40---Ikko cable,
42.44 - Hydraulic and pneumatic piping section 21!1

Claims (1)

[Claims] A high-altitude work system for working at high places, which is mounted on the upper end of an insulated boom extending from a high-altitude work vehicle and includes a robot and a robot control device that controls the robot; and a robot operation panel installed on the high-altitude work vehicle or on the ground. and a ground system including a power source, the robot control device and the robot operation panel are connected by a fiber optic cable extending within the insulated boom, and the robot and the power source are connected to a ground system including a fluid source extending within the insulated boom. Live-line construction equipment characterized by being connected by a power cable via piping or an isolation transformer.