JPH07109734B2 - Insulator washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention cleans insulators that have been damaged by typhoons, soot, seasonal winds, etc. to maintain a predetermined design insulation strength and prevent accidents due to insulator contamination. Involved in insulator washing machine to prevent,
In particular, the present invention relates to an insulator washer capable of washing insulators used in electric stations and power transmission lines in a live state.

[Prior Art] A conventional insulator cleaning machine of this type is disclosed in, for example, JP-A-62-62.
The structures shown in Japanese Patent Laid-Open No. 217814 and Japanese Patent Laid-Open No. 62-217815 are known.

In these conventional configurations, an injection nozzle is provided at the tip of the operation rod made of an insulating material, and a water tank is provided between the operation end of the operation rod and the injection nozzle. The compressed gas is supplied to the injection nozzle via the air supply hose, and the compressed gas causes the water in the water tank to be injected from the discharge port provided under the end face of the injection nozzle via the water supply pipe. Are mixed by suction and ejected from the ejection nozzle.

[Problems to be Solved by the Invention] However, in this conventional insulator cleaning machine, the water tank is formed in an annular shape having a through hole at the center, and the operation rod is inserted into the through hole of the water tank. Since the water tank is rotatably supported by the operation rod, the structure of the water tank is complicated and the manufacturing is troublesome, and the operation rod comes into contact with the entire circumference of the through hole of the water tank. Therefore, when the operation rod is rotated to change the injection direction of the injection nozzle, the water tank is contacted and rotated integrally with the operation rod to move the position of the discharge port upward, There was a problem that water was not smoothly supplied from the tank.

The present invention has been made by paying attention to the problems existing in such a conventional technique, and an object of the present invention is that the structure of the water tank is simple and easy to manufacture, and the operation is easy. Even when the injection direction of the injection nozzle is changed by rotating the rod, the water tank is not rotated integrally with the operation rod, and the discharge port is always maintained at the predetermined position, Another object of the present invention is to provide an insulator washing machine which can prevent the water supply from being hindered.

Another object of the present invention is to provide an insulator washing machine in which the jetting direction of the jetting nozzle can be freely changed in any direction.

[Means for Solving the Problems] In order to achieve the above object, in the insulator cleaning machine of the present invention, an injection nozzle is provided at the tip of the operating rod made of an insulating material, and the proximal end operating portion of the operating rod is provided. A water tank is provided between the injection nozzle and the injection nozzle, the water tank and the injection nozzle are connected by a water supply pipe, and an air supply hose for supplying compressed gas from a compressed gas supply source to the injection nozzle is provided. In the insulator washing machine, a support member is provided on the outer surface of the water tank, and the support member is rotatably attached to the operation rod.

Further, in the insulator washing machine of the present invention, in addition to the above configuration, the injection nozzle is attached to the tip of the operating rod so as to be able to change the injection direction via a universal joint.

[Operation] In the insulator cleaning machine configured as described above, since the water tank is supported by the operation rod through the support member so as to be rotatable relative to the operation tank, the water tank is formed in a simple closed cylindrical shape or the like. And can be easily manufactured. Further, since the operating rod does not contact the entire length of the water tank but partially contacts only at the engaging portion between the operating rod and the support member, the operating rod is rotated to change the injection direction of the injection nozzle. Even if the water tank is changed, the water tank is not rotated integrally with the operation rod, the discharge port is always maintained at the predetermined position, and the water in the water tank can be supplied without any trouble.

Further, according to the structure in which the injection nozzle is attached to the tip end portion of the operation rod through the universal joint, the injection direction of the injection nozzle can be freely changed in any direction by the universal joint. The cleaning work can be easily performed.

[Example] An example of an insulator cleaning machine embodying the present invention will be described below.
It will be described in detail with reference to the drawings.

As shown in FIG. 1, the operating rod 1 is formed by connecting a pair of pipes 2 and 3 made of an insulating material such as FRP, and the outer circumference of each pipe 2 and 3 is made of rubber for expanding the insulation distance. Tsuba 4, 5 are provided. The pipe 2 on the base end side of the operation rod 1 constitutes an operation part, and a backpack band 6 is attached to the outer periphery of the operation rod 1 via a pair of attachment rings 7. The main valve 8 is provided at the base end portion of the operating rod 1, and by opening the main valve 8, the inside of the operating rod 1 is supplied from a compressed gas supply source (not shown) through a flexible air supply hose 9. Compressed gas is supplied to.

As shown in FIGS. 1 and 2, the connecting bush 10 is connected and fixed to the tip of the operating rod 1, and a hose connecting port 11 is provided on the upper surface thereof. A support base 12 made of an insulating material such as FRP is fixed to the upper surface of the connecting bush 10, and a support arm 13 also made of an insulating material such as FRP is attached to the tip end of the connecting bush 10 by a tightening bolt 14 so as to be rotatable and adjustable. ing. The pipe joint 15 is fixed to the tip of a support arm 13, and an injection nozzle 16 is connected to and supported at one end thereof via a universal joint pipe 17 so that the injection direction can be changed. The connection hose 18 for air supply is provided between the hose connection port 11 of the connection bush 10 and the injection nozzle 16, and the compressed gas supplied from the compressed gas supply source into the operation rod 1 is connected from the connection bush 10 to this connection. It is supplied to the injection nozzle 16 via a hose 18.

As shown in FIGS. 1 to 3, the water tank 19 is formed into a substantially closed cylindrical shape by a cylindrical main body 20 made of an insulating material such as FRP and end face plates 21 and 22 fitted at both ends thereof. It is configured. The pair of support members 23 are formed on the outer peripheral surface of the main body 20 of the water tank 19 so as to project in a substantially flange shape, and the through holes 24 are formed in the upper portions thereof. The water tank 19 is operated by screwing the restriction rings 25 onto the operation rods 1 on both sides of the support member 23 in a state where the through hole 24 of the support member 23 is fitted and inserted into the distal end portion of the operation rod 1. Between the base end operating portion 2 of the rod 1 and the injection nozzle 16, it is supported on the operating rod 1 so as to be relatively rotatable.

The discharge port 26 is provided below the end face plate 21 on the jet nozzle side of the water tank 19, and a water supply pipe 27 is provided between the discharge port 26 and the other end of the pipe joint 15. When the compressed gas is supplied to the injection nozzle 16, the compressed gas causes the water in the water tank 19 to have a venturi effect, and the discharge port 26
Is suction-mixed from the jet nozzle 16 through the water supply pipe 27, and jetted and ejected from the jet nozzle 16 in the form of mist. An air intake port 28 that also serves as a water supply port is provided on the outer periphery of the main body 20 of the water tank 19, and this air intake port 28 is provided with a check valve (not shown). The opening 29 is provided in the upper portion of the end face plate 22 on the operation portion side of the water tank 19, and the cap 30 is fixed to the opening 29 from the outside by an adhesive.

Next, the operation of the insulator cleaning machine configured as described above will be described.

Now, in the case of using this insulator cleaning machine to clean an insulator string 31 composed of a plurality of suspension insulators 32 mounted on a transmission line tower as shown in FIG.
When the main valve 8 is opened by advancing between 32, the compressed gas from the compressed gas supply source is supplied to the injection nozzle 16 through the air supply hose 9, the operation rod 1, the connection bush 10 and the connection hose 18. . The compressed gas causes the water in the water tank 19 to be suction-mixed from the discharge port 26 through the water supply pipe 27, the pipe joint 15 and the universal joint pipe 17 to the jet nozzle 16, and jetted and discharged from the jet nozzle 16 in the form of mist.

At this time, when the operation rod 1 is rotated in the direction of the arrow in FIG. 3, the injection nozzle 16 is rotated in the same direction,
The water jet direction is enlarged and moved in an arc shape, and each suspension insulator 32
Can be effectively cleaned to every corner. When the operation rod 1 is rotated, the operation rod 1 does not come into contact with the entire length of the water tank 19 and the operation rod 1
Since it is partially in contact only with the engaging portion between the support member 23 and the through hole 24, the water tank 19 is rotated integrally with the operation rod 1 even if the operation rod 1 is rotated. There is no such thing. Therefore, the discharge port 26 is always maintained at the lower predetermined position without being moved to the upper position, and the water in the water tank 19 is supplied to the jet nozzle 16 without any trouble.

Further, in this embodiment, as described above, the water tank 19
Is rotatably supported by the operating rod 1 via a support member 23, it is not necessary to form the water tank 19 in a complicated shape such as an annular shape having a through hole in the center, and a closed cylindrical shape The water tank 19 can be easily manufactured.

Further, in the insulator washing machine of this embodiment, since the injection nozzle 16 is attached to the tip end portion of the operation rod 1 via the universal joint pipe 17, when the suspension insulator 32 is washed, the injection direction of the injection nozzle 16 is increased. Universal joint pipe 17
Thereby, it can be freely changed in any of the front-rear direction, the left-right direction, and the up-down direction, and the cleaning work can be easily performed.

In the above-mentioned embodiment, the cleaning work of the suspended insulator 32 among the insulators for the transmission line tower was explained, but this is another insulator, for example, the long insulator, or the insulator or the support insulator used in the electric station to be cleaned. In the case of, it basically works in the same way.

The present invention is not limited to the configuration of the above embodiment, and can be modified and embodied as follows.

(1) The air supply hose 9 is connected to the connection bush 10 or the injection nozzle 16 so that the compressed gas from the compressed gas supply source is supplied to the injection nozzle 16 without passing through the operation rod 1. To do.

(2) The water supply pipe 27 from the water tank 19 is connected to the jet nozzle 16 so that the water in the water tank 19 is supplied to the jet nozzle 16 without passing through the universal joint pipe 17.

(3) The support member 23 is formed separately from the water tank 19, and this is fitted and fixed to the outer periphery of the main body 20 of the water tank 19 to be integrated.

[Effects of the Invention] Since the present invention is configured as described above, it has the following excellent effects.

In the insulator washing machine of the present invention, a support member is provided on the outer surface of the water tank, and the support member is attached to the operation rod so as to be relatively rotatable. Therefore, the structure of the water tank is simple and easy to manufacture. The water tank is not rotated integrally with the operation rod even when the operation rod is rotated to change the injection direction of the injection nozzle, and the discharge port is always maintained at the predetermined position. As a result, it is possible to reliably prevent the supply of water in the water tank from being hindered, and the water can be effectively used.

Further, according to the structure in which the injection nozzle is attached to the tip of the operation rod through the universal joint, the injection direction of the injection nozzle can be freely changed in any direction by the universal joint, and the insulator is washed. Work can be performed easily.

[Brief description of drawings]

FIG. 1 is a front view showing a state of use of an insulator washing machine embodying the present invention, FIG. 2 is a partially cutaway front view showing an enlarged water tank portion thereof, and FIG. 3 is an AA of FIG. It is an expanded sectional view in a line. 1 ... Operation rod, 2 ... Pipe as operation unit, 9 ...
… Air supply hose, 16 …… Injection nozzle, 17 …… Universal joint pipe, 19 …… Water tank, 23 …… Supporting member, 24 ……
Through hole, 27 ... water supply pipe.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-1-176613 (JP, A) JP-A-48-53288 (JP, A)

Claims (2)

[Claims] 1. An operating rod (1) provided with an injection nozzle (16) at the tip of the operating rod (1) made of an insulating material.
A water tank (19) is provided between the base end operation part (2) and the injection nozzle (16), and the water tank (19) and the injection nozzle (16) are connected by a water supply pipe (27), In an insulator washing machine provided with an air supply hose (9) for supplying compressed gas from a compressed gas supply source to the injection nozzle (16), a support member (23) is provided on the outer surface of the water tank (19). An insulator cleaning machine, wherein the supporting member (23) is attached to the operation rod (1) so as to be rotatable relative thereto. 2. An operating rod (1) for connecting the injection nozzle (16).
The insulator cleaning machine according to claim 1, wherein the tip end of the insulator is mounted via a universal joint (17) so that the injection direction can be changed.