CN105071287B - A kind of device for installing insulating sleeve additional for bare conductor - Google Patents

Abstract

A device for adding insulating sleeves to bare wires, including a fixing plate, a sliding plate, a pull wire, an insulating sleeve and a guide tube, the fixing plate is connected to the first pole, and the surface of the fixing plate is parallel to the first pole , a slideway is set on the fixed plate, the slideboard is an L-shaped folded plate, pulleys are arranged on both sides of the folded plate, the folded plate is turned upside down, and the vertical edge of the folded plate is embedded in the slideway, and the stay wire is Wrapped in the wheel grooves of the two pulleys for the first time, one end of the stay wire is connected with the traction mechanism on the ground, and the other end of the stay wire is connected with the insulating sleeve. On the second electric pole, the inner wall of the guide tube is provided with a partition block for separating the opening of the insulating sleeve, and the top opening of the guide tube is connected to the bare wire. The invention can quickly cover the outer circumference of the bare wire with an insulating sleeve, which is convenient and practical, reduces safety accidents, improves work efficiency and reduces labor intensity.

Description

A device for installing insulating sleeves on bare wires

technical field

The invention relates to a device for installing a bushing on a power line, which belongs to the technical field of power transmission line installation tools.

Background technique

Due to the low cost, long service life and convenient erection and maintenance of bare conductors, they are widely used in the erection of long-distance transmission lines. However, bare wires are more dangerous. When foreign matter overlaps the bare wires, and the bare wires are affected by condensation flashing, dirty flashing, and icicle sticky snow, it is easy to cause electrical safety accidents. In rural or remote areas, due to factors such as tree barriers not being felled in time, heightened ground level and overage operating lines, the distance between the conductor and the ground does not meet the requirements, and fish ponds are built near the conductor, etc., which pose a huge threat to the safe operation of the power grid.

If the bare wire is replaced with an insulated wire, there are many difficulties such as high cost, difficult approval, complicated construction, etc., and a power outage operation is required during the replacement, which seriously affects the power consumption for production and life. In order to strengthen the construction of electrical safety, installing insulating sleeves outside the bare wires in a short time can solve the problems caused by the bare wires.

Contents of the invention

The invention provides a device for installing insulating sleeves on bare wires, which can conveniently and quickly install insulating sleeves on the outer circumference of the bare wires, thereby improving work efficiency and avoiding safety accidents.

To achieve the above object, the present invention adopts the following technical solutions:

A device for adding insulating sleeves to bare wires, which includes a fixed plate, a slide plate, a pull wire, an insulating sleeve and a guide tube, the fixed plate is connected to the first electric pole, and the surface of the fixed plate is connected to the first electric pole. The rods are arranged parallel to each other, and vertical slideways are set on the fixed plate. The slide plate is an L-shaped folded plate. Pulleys are arranged on the inner sides of both sides of the folded plate. The folded plate is upside down, and the vertical edge of the folded plate is Embedded in the slideway, the pull wire is wound in the wheel grooves of the two pulleys in sequence, one end of the pull wire is connected to the traction mechanism on the ground, and the other end of the pull wire is connected to the insulating sleeve, and the insulating sleeve is arranged longitudinally Opening, the guide tube is a hollow tube vertically arranged on the second pole, the inner wall of the guide tube is provided with a partition block for separating the opening of the insulating sleeve, and the top opening of the guide tube is connected to the bare wire .

In the above-mentioned device for installing insulating sleeves on bare wires, the top of the guide tube is also provided with a clamping piece for preventing the bare wires from shaking and shifting.

The above-mentioned device for adding insulating sleeves to bare wires is provided with a bonding mechanism for sealing the opening of the insulating sleeve at the top opening of the guide tube. The bonding mechanism includes a bracket and an insulating tape, and the bracket is a tripod structure, one corner of the bracket is hingedly arranged on the clamping piece, and the insulating tape is worn on the bracket.

In the above-mentioned device for installing an insulating sleeve on a bare wire, the pull wire is connected to the insulating sleeve through a tension terminal, and the tension terminal includes a pull rope and a connecting head, and the connecting head is a cone, and the small diameter of the cone is The end is mounted on the end of the insulating sleeve and fixedly connected by a plurality of screws; the large end of the cone is provided with a plurality of pull ropes, and the other ends of the pull ropes are connected with the pull wires.

In the above-mentioned device for adding insulating sleeves to bare wires, the top end of the guide pipe is bent into an arc segment, and the open end of the arc segment is connected to the bare wire.

In the above-mentioned device for installing insulating sleeves on bare wires, the partition block includes a horizontal plate and a vertical plate, one end of the vertical plate is connected to the inner wall of the guide tube; the other end of the vertical plate is perpendicularly intersected with the horizontal plate to form T-shaped.

The invention can quickly put an insulating sleeve on the outer circumference of the bare wire, and realize the installation of the insulating sleeve without power failure, which is convenient and practical, reduces safety accidents, improves work efficiency, and reduces labor intensity.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the connection structure between the tension terminal and the insulating sleeve in the box M in Fig. 1;

Fig. 3 is a sectional view of A-A in Fig. 1 .

The list of labels in the figure is: 1. first pole, 2. hoop, 3. cross arm, 4. fixed plate, 5. slide plate, 6. pull wire, 7. pull terminal, 7-1, pull rope, 7 -2, connector, 8, insulating sleeve, 9, guide tube, 9-1, pipe wall, 9-2, partition block, 10, second pole, 11, clamping piece, 12, fastening frame, 13, pulley, 14, bare wire, 15, roller shaft, 16, pressing roller, 17, insulating tape.

detailed description

Referring to FIG. 1 , a device for installing an insulating sleeve on a bare wire is used to quickly install an insulating sleeve 8 on a bare wire 14 between a first pole 1 and a second pole 10 . The present invention includes a fixed plate 4 , a slide plate 5 , a stay wire 6 , an insulating sleeve 8 and a guide tube 9 . Set a plurality of hoops 2 on different levels of the first pole 1 and the second pole 10, the fixed plate 4 is vertically arranged, connected with the first pole 1 through hoops, and the guide pipe 9 passes through The hoop is vertically arranged on the second electric pole 10 . One end of the stay wire 6 is connected to the traction mechanism on the ground, and the other end of the stay wire 6 is connected to the end of the insulating sleeve 8 . The insulating sleeve 8 is longitudinally provided with an opening, and the insulating sleeve 8 is made of an elastic material. A kind of elastic material with the function of cutting and tightening is selected, that is, shrinkage occurs after cutting, the diameter becomes smaller and there is no gap at the cut. Insulating materials, such as rubber, ensure that the opening can rebound and be in a closed state when it is in a natural state.

The plate surface of the fixed plate 4 and the first pole 1 are arranged parallel to each other, and a vertical slideway is set on the fixed plate 4, and the slide plate 5 is embedded in the slideway, and moves vertically up and down along the slideway. Slide plate 5 is an L-shaped folded plate, and the folded plate is assembled upside down, wherein the vertical limit of the folded plate is embedded in the slideway, and the balance edge of the folded plate is on the top. Pulleys 13 are arranged on the inner sides of both sides of the folded plate, and the backguy 6 is wound in the wheel grooves of the two pulleys sequentially from top to bottom. Sleeves 8 are connected.

The structure of the pull terminal 7 is shown in Figure 2, including a pull cord 7-1 and a connector 7-2, the connector 7-2 is a cone, and the small end of the cone is mounted on the insulating sleeve. The ends are fixedly connected by multiple screws at the joints of the ends; the large end of the cone is provided with multiple stay ropes, and the other ends of the stay ropes are all connected to the upper ends of the stay wires.

The guide tube 9 is vertically arranged on the second electric pole 10 through a hoop, the guide tube 9 is a hollow tube, and is bent into an arc segment at the top of the guide tube 9, and the open end of the arc segment is connected to the bare wire. 14-phase top connection. A clamping piece 11 is also arranged on the top of the guide pipe, and the clamping piece 11 includes two insulating plates arranged longitudinally. The two insulating plates are parallel to each other to fix the bare wire inside, and the insulating plates are fixedly connected by fastening screws. The clamping piece 11 is used to fix the bare wire and the guide tube to prevent the bare wire from shaking during the operation, and the bare wire deviates from the guide tube to ensure the smooth progress of the work. The cross-section of the guide tube is shown in Fig. 3, including a tube wall 9-1 and a partition block 9-2, and the partition block 9-2 is arranged perpendicular to the inner wall. The partition block 9-2 includes a horizontal plate and a vertical plate, one end of the vertical plate is connected with the inner wall of the guide tube; the other end of the vertical plate is vertically intersected with the horizontal plate to form a T shape, which is used to separate the opening of the insulating sleeve, When the insulating sleeve is dragged to the bare wire by the pull wire, it is ensured that the opening of the insulating sleeve matches the bare wire, and the covering of the bare wire is successfully realized.

In order to prevent the insulation sleeve from being tightly sealed, a bonding mechanism is provided at the top opening of the guide tube 9 to seal the opening of the insulation sleeve. The bonding mechanism includes a bracket, an insulating tape 17 and a pressure roller 16. The bracket is a tripod structure, and one corner of the bracket is hingedly arranged on the clamping sheet 11. The bracket hangs down under gravity, and the pressure roller 16 is installed at the included angle of the lower end of the support, and the pressure roller 16 abuts against the bare wire. Roller shafts 15 are arranged at the included angles of the upper ends of the brackets, and the insulating tape 17 is worn in the roller shafts 15 . During the operation, the insulating tape is pulled out along with the moving direction of the insulating sleeve, and pasted on the opening of the insulating sleeve by the pressure roller 16 .

When installing an insulating sleeve, the bare wire will be subjected to a relatively large pulling force. In order to protect electrical components such as insulators on the second pole 10, a fastening frame is provided outside the electrical components of the second pole 10 before the operation. 12.

Working process of the present invention is:

Adjust the horizontal height of the fixed plate 4 and the guide tube 9 according to the height of the bare wire, the partition block 9-2 of the guide tube 9 corresponds to the bare wire, and then fix the fixed plate 4 and the guide tube 9, and the clamping piece 11 is aligned with the bare wire fixed. The lower end of the backguy 6 is connected to the traction mechanism, and the upper end of the backguy 6 bypasses the pulley 13 respectively from bottom to top, and is connected with the tension terminal 7 . The insulating sleeve 8 passes through the guide tube 9 from bottom to top, and the end is connected with the tension terminal 7 .

At the opening at the top of the guide pipe 9, the insulating sleeve 8 is placed outside the bare wire 14, and the initial end of the insulating tape 17 is bonded and fixed. Afterwards, the pull wire is pulled by the traction mechanism, and at the place where the top of the guide tube 9 contacts the bare wire, the opening of the insulating sleeve 8 is closed by its own elastic force, and the opening is further sealed by the insulating tape 17 of the bonding mechanism. Constantly move to complete the operation of installing an insulating sleeve on the entire bare wire.

Claims (4)

1. A device for adding insulating bushings to bare conductors, characterized in that it includes a fixed plate (4), a slide plate (5), a backguy (6), an insulating bushing (8) and a guide tube (9) , the fixed plate (4) is connected to the first electric pole (1), the plate surface of the fixed plate (4) is arranged parallel to the first electric pole (1), and the vertical slide is arranged on the fixed plate (4). Said slide plate (5) is an L-shaped folded plate, pulleys (13) are arranged on the inside of both sides of the folded plate, the folded plate is upside down, and the vertical edge of the folded plate is embedded in the slideway. The backguy (6) is wound in the wheel grooves of the two pulleys sequentially, one end of the backguy (6) is connected with the traction mechanism on the ground, and the other end of the backguy (6) is connected with the insulating sleeve (8), and the insulating sleeve The pipe (8) is longitudinally provided with an opening, the guide pipe (9) is a hollow pipe vertically arranged on the second electric pole (10), and the inner wall of the guide pipe (9) is provided for opening the insulating sleeve The separated spacer block (9-2), the top opening of the guide tube (9) is connected to the top of the bare wire; The partition block (9-2) includes a horizontal plate and a vertical plate, one end of the vertical plate is connected with the inner wall of the guide tube; the other end of the vertical plate intersects vertically with the horizontal plate to form a T shape; The top end of the guide tube (9) is bent into an arc segment, and the open end of the arc segment is connected to the bare wire (14). 2. A device for adding insulating sleeves to bare wires according to claim 1, characterized in that, the top of the guide tube (9) is also provided with a clamping piece for preventing the bare wires from shaking and shifting (11). 3. A kind of device that is used for adding insulating bushing to bare wire according to claim 2 is characterized in that, a bonding mechanism for sealing the opening of the insulating bushing is set at the top opening of the guide tube (9), The bonding mechanism includes a bracket and insulating tape (17), the bracket is a tripod structure, one corner of the bracket is hingedly arranged on the clamping piece (11), and the insulating tape (17) is worn on the bracket. 4. A kind of device that is used for adding insulating bushing to bare wire according to claim 1, is characterized in that, described backguy (6) is connected with insulating bushing (8) through tension terminal (7), so The pull terminal (7) includes a pull cord (7-1) and a connector (7-2). The connector (7-2) is a cone, and the small end of the cone is mounted on the end of the insulating sleeve. The parts are fixed and connected by a plurality of screws; the large end of the cone is provided with a plurality of pull ropes, and the other ends of the pull ropes are all connected with the pull wires.