JPH05282949A - Insulator stain removal device - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] It is possible to clean insulators of several sizes. [Constitution] When the insulator has a small diameter, a semi-arcuate base 1
Two 0s are connected facing each other, and when the insulator has a large diameter, the number is increased to connect the semi-circular base portions 10 to each other. The rotating brushes 22 and 23 and the roller 31 on the inner peripheral surface side of the arc.
Is supported, the tips of the rotating brushes 22 and 23 are inserted between the umbrellas of the insulator to wash the upper and lower surfaces, and the roller 31
Holds the peripheral edge portion of the insulator while abutting it to support the entire contamination removing device of the insulator and assists the rotation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulator fouling removal device, and more particularly to a fouling removal device that removes fouling while surrounding an insulator in a radial direction.

[0002]

2. Description of the Related Art As a conventional pollutant removing device for insulators, the one disclosed in Japanese Utility Model Laid-Open No. 61-79420 is known.
In the insulator fouling removing device shown in the same publication, an insulator string to be cleaned is covered with a cylindrical body on which brushes are brushed on the inner peripheral surface, and an endless belt is hung on the outer periphery of the cylindrical body and rotated by a separately installed electric motor. ..

Here, the cylindrical body is formed by combining a pair of semi-cylindrical bodies and winding a magic tape around the outer peripheral surface to form a cylindrical body.

[0004]

The above-described conventional insulator fouling removing device has the following problems.
In the case of using a large number of insulators, for example, in a substation of a thermal power plant, since there are many types of outer diameter dimensions of insulators, it is necessary to prepare a device of a size corresponding to each insulator outer diameter. I have to.

Since the cylindrical body is rotated by driving the belt, it is difficult to install the drive motor at a high place when it is used for a tension insulator for a transmission line of a steel tower. Insulators are 400 mm to 1200 mm long, and the number of caps is 4 to 20.
Since there are many large-sized ones, it is necessary to prepare many types of cylinders with the axial length corresponding to each length of the insulator string.

The present invention has been made in view of the above problems, and it is possible to expand or expand the diameter by combining a standard mold piece with an insulator string having various kinds of outer diameters and lengths.
It is an object of the present invention to provide an insulator fouling removal device capable of collectively cleaning a series of insulators.

[0007]

In order to achieve the above object, the invention according to claim 1 relates to a frame body in which a plurality of adjacent frame pieces are detachably connected to each other to form an annular shape, and to this frame body. And a cleaning mechanism that is disposed so as to project toward the inner surface side of the frame body and that cleans the insulator, and is disposed so as to project toward the inner surface side of the frame body, and the outer peripheral surface of the cap of the insulator is circumferentially arranged. And a rolling mechanism that rolls.

Further, in the invention according to claim 2 configured as described above, a cylindrical frame body formed by connecting a plurality of adjacent frame pieces detachably in the vertical and horizontal directions to form a cylindrical body, and the cylindrical frame. A cleaning mechanism that is disposed so as to project toward the inner surface side of the cylindrical frame body with respect to the body and cleans the insulator, and a cleaning mechanism that is disposed so as to project toward the inner surface side of the cylindrical frame body, and the outer circumference of the insulator cap And a rolling mechanism that rolls the surface in the circumferential direction.

[0009]

In the invention according to claim 1 configured as described above, two or more adjacent frame pieces can be connected at both ends thereof, and can be connected as an annular frame body. At this time, the rolling mechanism projects toward the inside of the annular body, and when the annular body is arranged around the insulator, the rolling mechanism abuts on the peripheral surface of the cap of the insulator and rotatably supports it. On the other hand, when the frame rotates around the insulator, the cleaning mechanism arranged on the inner surface side of the frame removes the stains over the entire circumference of the insulator.

That is, since the inner peripheral diameter of the frame changes depending on the number of connected modular frame pieces, the connected state is changed to match the size of the insulator. Further, in the invention according to claim 2 configured as described above, the frame pieces can be connected to each other in the horizontal direction and the vertical direction, and the necessary number is connected in the vertical direction according to the length of the insulator to be cleaned. In the lateral direction, a predetermined number of pieces are connected so that they can be opened and closed according to the diameter of the insulator. After the cylinder frame is opened to surround the insulator from the side direction, and when the cylinder frame is closed, the rolling mechanism that is arranged so as to project to the inner surface side comes into contact with the outer peripheral surface of the insulator cap and is rotatable. To support. Further, the cleaning mechanism arranged so as to project to the inner surface side of the cylindrical frame body cleans the insulator when it surrounds the outer periphery of the insulator.

That is, the length and inner peripheral diameter of the cylindrical frame can be adjusted by the number of vertical and horizontal connections, and the connected state can be changed to suit the size of the insulator to be cleaned.

[0012]

As described above, according to the present invention, by changing the connection mode of the frame pieces according to the size and length of the insulator, an insulator having different outer diameters and lengths can be used by using a common frame piece. It is possible to provide an insulator fouling removal device capable of cleaning the.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a top view of an insulator stain removing device according to an embodiment of the present invention, and FIG. 2 is a perspective view of each frame piece constituting the stain removing device. In this embodiment, as shown in FIG. 1, three arc-shaped frame pieces 10 are connected in a lateral direction to surround an insulator to be cleaned, and each frame piece 10 is covered with a rotary brush between the insulator caps. Brush drive mechanism (cleaning mechanism) for cleaning 2
0 and a roller support mechanism (rolling mechanism) 30 for rotating around the insulator.

In FIG. 2, the frame piece 10 is formed by bending an elongated strip plate in an arc shape, and at both ends in the circumferential direction thereof, as shown in FIG. 3, a connecting portion is formed so that it can be connected to another frame piece 10. 10
a and 10b are formed. The frame piece 10 can be made of duralumin, aluminum, FRP, or iron, and at this time, a plurality of holes may be formed within the range sufficient in strength for weight reduction. ..

The connecting portion 10a is formed by folding back the upper third and the lower third of the right end of the frame piece 10 so as to form a tube outward with respect to the bending direction.
b is formed by folding back one-third of the left end of the frame piece 10 so as to form a cylinder in the outward direction with respect to the bending direction. At this time, the hinge structure is formed so that the axes of the cylinders match when the connecting portions 10a and 10b of the two frame pieces 10 are combined.

In the middle of the frame piece 10 in the widthwise direction, FIG.
The brush drive mechanism 20 is fixed so as to penetrate from the outer side to the inner side of the curved surface as shown in FIG. The brush drive mechanism 20 is a rotary brush 2 in which a brush is planted at the tip of the shaft center.
The motors 24 fixed to the frame piece 10 while directing 2 and 23 toward the center point of the inner circumference of the curved surface of the frame piece 10.
And the rotary shaft 24a of the bearing 25 and the rotary shaft 25a are connected to each other, and the pulleys 24b and 25b are fixed to the rotary shafts 24a and 25a, respectively, and the driving round belt 26 is stretched between the pulleys 24b and 25b. Configured. The spacing between the rotating brushes 22 and 23 is equal to the spacing between the insulators.
Several types of 3 having different axial lengths are prepared and can be selectively connected to the motor 24 and the bearing 25. Furthermore, FIG.
As shown in FIG. 3, a nozzle 27 is arranged so as to discharge the cleaning liquid toward the cleaning surface, which is the brush portion of the rotating brushes 22 and 23, and a pump 28 for delivering the cleaning liquid is provided at the other end of the nozzle 27. It is connected.

The brush drive mechanism 20 in the frame piece 10
A roller support mechanism 30 is fixed between the connection portion 10a and the connection portion 10a so as to penetrate from the outside of the curved surface toward the inside as shown in FIG. The roller support mechanism 30 has a support arm 33 that is swingably supported by an arm receiving portion 32 of the frame piece 10. The tip end of the support arm 33 is a roller 31 that abuts on the tip of the peripheral edge of the shade of the insulator. Is rotatably held.

The arm receiving portion 32 supports the support arm 33 in a horizontal plane within a range of a slight angle so that the support arm 33 can be swung, and the protruding length of the support arm 33 toward the inner peripheral surface of the frame piece 10 can be adjusted. ing. The swing angle and the protruding length of the support arm 33 can be fixed by the lock knob 34. The roller support mechanism 30 includes
A drive type roller support mechanism 30 having a motor 35 (shown by a broken line in FIG. 5) and capable of rotating the roller 31.
There are two types: a and a free roller support mechanism 30b that supports the roller 31 so as to freely rotate.

Motor 2 in the brush drive mechanism 20
4 and the motor 35 in the roller support mechanism 30 are both controlled to be driven by remote operation.
Further, the nozzle 27 of the brush drive mechanism 20 can also be controlled to discharge the cleaning liquid by remote control. Next, the operation of this embodiment having the above configuration will be described. Now, it is assumed that the insulator having a relatively large diameter is washed. For a large-diameter insulator, as shown in FIG. 7, the concave surfaces of three frame pieces (each of which is also referred to as a module) 10 face each other, and the connecting portions 10a and 10b are combined to sandwich the insulator. To do so.

Specifically, first, the rotating brushes 22 and 23
A long one is selected and connected to the rotating shafts 24a and 25a of the motor 24 and the bearing 25. next,
Three modules are vertically stacked in accordance with the number of insulators, but the frame piece 10 having the drive type roller support mechanism 30a is used for the uppermost one, and the free roller support is provided for the other ones. The frame piece 10 having the mechanism 30b is used. The connecting portions 10a and 10b on both sides of the frame piece 10 of one set among the three sets stacked in the vertical direction
The connecting portions 10b and 10a of the two sets of the frame pieces 10 are connected to each other and fixed with the bolt 41 and the nut 42. Connection part 1
Since the axes formed on 0a and 10b are aligned with each other, the long bolt 41 is inserted from the upper stage in a state of being vertically overlapped, and the lower end of the bolt 41 is fixed by the nut 42.

In this state, the two sets of frame pieces 10 are rotatable at both ends of the one set of frame pieces 10 around the bolts 41 as supporting shafts, and are sandwiched so as to be wrapped from the outside of the insulator. At this time, in each frame piece 10, the two rotary brushes 22 and 23 enter between the caps of the insulator as shown in FIG. 6, and the roller 31 of the roller support mechanism 30 abuts the peripheral edge of the insulator. Adjust the height so that it is pressed down. The connection end 1 on the side that was the free end in the pressed state
A long bolt 41 is inserted into the 0a and 10b from above, and the lower end of the bolt 41 is fixed with a nut 42. In this embodiment, the long bolt 41 is used, but a box clamp or the like may be used so that it can be stopped with one touch.

As the motor 24 in the brush drive mechanism 20 is energized and the rotary shaft 24a of the motor 24 rotates, the rotary drive force is transmitted to the rotary shaft 25a via the pulley 24b, the drive round belt 26 and the pulley 25b, and the respective rotary drive forces are transmitted. The rotary brush 22, which is connected to the rotary shafts 24a and 25a,
23 starts to rotate. Further, when the cleaning liquid is supplied from the pump 28 to the nozzle 27 at the same time, the cleaning liquid is sprayed from the tip of the nozzle 27 to the brush portions of the rotating brushes 22 and 23. Therefore, the rotating brushes 22 and 23 use the cleaning liquid and The upper surface and the lower surface are washed to remove stains adhering to the surface of the insulator.

When the motor 24 of the brush drive mechanism 20 is energized and at the same time the motor 35 of the drive type roller support mechanism 30a used for the uppermost frame pieces 10 and 10 is energized, the roller 31 contacting with the uppermost insulator is obtained. Is driven by the motor 35, and the entire insulator fouling removal device starts to rotate around the insulator. As a result, the rotating brush 22,
Since 23 moves gradually around the insulator, the insulator is cleaned over the entire circumference. In this embodiment, the rotating brushes 22 and 23 are brought into contact with the entire circumference of the insulator when it is rotated at least 120 degrees to perform cleaning.

Next, an insulator having a diameter smaller than that shown in FIG. 1 is to be washed. In this case, as shown in FIG. 7, two sets of frame pieces 10 in which short rotating brushes 22 and 23 are connected to rotating shafts 24a and 25a are prepared and are laterally connected to each other to form an annular shape. That is, the two sets of frame pieces 10 are vertically stacked according to the number of insulators, and the connecting portions 10a of the frame pieces 10 in one set are connected to the connecting portions 10b of the frame pieces 10 in the other set. Secure with bolts 41 and nuts 42. Even in this case, the uppermost frame piece 1
Regarding 0, the drive type roller support mechanism 30a is provided.

A pair of frame pieces 10, which can be opened and closed with the bolt 41 as a spindle, are sandwiched from the outside of the insulator, and the frame pieces 10,
The connecting portions 10b and 10a at the ends of the
And the nut 42 are connected to complete the assembly. After this,
When the motor 24 in the brush drive mechanism 20 and the motor 35 in the uppermost drive type roller support mechanism 30a are energized and the cleaning liquid is supplied to the nozzle 27, the cleaning liquid starts to rotate around the insulator and when it rotates at least 180 degrees. This means that the rotating brushes 22 and 23 have washed the upper and lower surfaces of the shade.

In this way, by changing the number of connections in accordance with the diameter of the insulator to be cleaned, it is possible to clean both small diameter insulators and large diameter insulators using a common module. 8 and 9 show a modified example in which the connected frame pieces 10 can be opened and closed more easily.
When connecting the two frame pieces 10, the bolts 41 and the nuts 42 are used at the one connecting ends 10a and 10b as in the above-described embodiment. In the other connecting portion, bent portions 11a and 11b are formed by bending the ends in parallel to each other toward the outside in the radial direction, and the two connected frame pieces 10 are closed to form the bent portions 11a and 11b. It has a fastening metal fitting 43 for sandwiching both bent portions 11a and 11b when 11b abuts.

The frame pieces 10, which are openably and closably connected by the bolts 41, are opened to cover the insulator, the open end is closed, and then the fastening fasteners 43 are fixed on the bent portions 11a and 11b. As a result, the open end is held in the closed state. In addition, in the above-described embodiment, the frame piece 10 is formed in an arc shape, but as shown in FIG.
Wings 12b1, 12 in which both ends of a are bent in the same direction
b2 may be formed so as to have a hexagonal shape when facing each other, or as shown in FIG. 11, a base portion 13a and wing portions 13b1 and 13b2 made of three separate members are combined at a predetermined angle. Alternatively, a concave surface may be formed in one direction. At this time, the wings 13 are attached to the base 13a.
Since the distance between 3b1 and 13b2 can be changed, the length at the time of connection can be adjusted, and the types of washable insulator diameters can be increased.

Although the topmost frame piece 10 is provided with the drive type roller support mechanism 30a, it may be provided at any stage. Further, the cleaning liquid may be a normal cleaning liquid or a solvent. Although the rotating brushes 22 and 23 are prepared separately according to the diameter of the insulator, they can be shared as a structure capable of expanding and contracting with respect to the rotating shafts 24a and 25a.

In addition, the number of rotary brushes 22 and 23 provided on the frame piece 10 is not limited to two as in the present embodiment, but the number and mounting positions may be changed depending on the case. .. The roller support mechanism 30 is also attached to both sides of the brush drive mechanism 20, and the rotary brushes 22, 2 are attached.
You may make it contact | abut on the peripheral part of the shade on both sides of 3. When the frame body is attached to the insulator, the insulator does not have to be vertical, and may be horizontal or may be arranged diagonally.

[Brief description of drawings]

FIG. 1 is a top view of an insulator fouling removal device according to an embodiment of the present invention for cleaning a large-diameter insulator.

FIG. 2 is a perspective view of each frame piece.

FIG. 3 is a top view of each frame piece.

FIG. 4 is a cross-sectional view showing a brush drive mechanism.

FIG. 5 is a cross-sectional view showing a roller support mechanism.

FIG. 6 is a side view showing height adjustment of a frame piece and an insulator.

FIG. 7 is a top view of the insulator fouling removal device when cleaning a small-diameter insulator.

FIG. 8 is a top view showing a state before being mounted in the insulator fouling removing device according to another embodiment.

FIG. 9 is a top view showing a state in which an insulator stain removing device according to another embodiment is mounted.

FIG. 10 is a top view of a frame piece according to another embodiment.

FIG. 11 is a top view of a frame piece according to another embodiment.

[Explanation of reference numerals] 10 ... Frame pieces 10a, 10b ... Connecting ends 11a, 11b ... Bending portion 20 ... Brush drive mechanism 22, 23 ... Rotating brush 24 ... Motor 24a ... Rotating shaft 25 ... Bearing 25a ... Rotating shaft 30 ... Roller support Mechanism 30a ... Drive roller support mechanism 30b ... Free roller support mechanism 31 ... Roller 32 ... Arm receiving part 33 ... Support arm 35 ... Motor 41 ... Bolt 42 ... Nut 43 ... Fastening metal fitting

Claims (2)

[Claims] 1. A frame body in which a plurality of adjacent frame pieces are detachably connected to each other to form an annular shape, and an insulator which is disposed so as to project toward the inner surface side of the frame body with respect to the frame body. And a cleaning mechanism that is arranged so as to project toward the inner surface side of the frame body and that rolls in the circumferential direction on the outer peripheral surface of the porcelain insulator insulator. apparatus. 2. A cylindrical frame body formed by connecting a plurality of adjoining frame pieces detachably in the vertical and horizontal directions to form a cylindrical body, and projecting toward the inner surface side of the cylindrical frame body with respect to the cylindrical frame body. And a cleaning mechanism for cleaning the insulator, and a cleaning mechanism disposed so as to protrude toward the inner surface side of the cylindrical frame body.
An insulator fouling removal device, comprising: a rolling mechanism that rolls the outer peripheral surface of the insulator cap in the circumferential direction.