CN204760896U - Shield aerial live -line line's insulating boot - Google Patents

Abstract

The utility model discloses an insulating cover for shielding live lines in the air, which comprises a shielding device, a transmission device and an insulating hollow tube; wherein the shielding device includes a push-pull plate, a fixed slide plate, a universal slide plate and an upper and a lower insulating cover; wherein the push-pull plate includes One end of the first push-pull plate hinged with the upper insulation cover, one end of the second push-pull plate hinged with the lower insulation cover, the other ends of the two push-pull plates are hinged in the strip-shaped slide hole on the fixed slide plate through the pin shaft, and can move along the The strip-shaped sliding hole is close to or far away from the insulating hollow tube; the fixed sliding plate is arranged in the insulating hollow tube and has a first connecting portion and a second connecting portion protruding from opposite sides of the insulating hollow tube; one end of the universal sliding plate and the lower insulating cover And the second push-pull plate is hinged through the pin shaft, and the other end is hinged with the transmission device to receive the driving force. Driven by the transmission device, the upper and lower insulating covers can be opened or closed to realize insulation and isolation of live wires and clamps in the air.

Description

Insulation cover for shielding aerial live lines

technical field

The utility model relates to an insulating cover for shielding live lines in the air, in particular to an insulating cover for covering exposed wires and wire clamps on the upper bow when the bird's nest on the tension rod of the live line is removed.

Background technique

When removing the bird's nest on the tension rod of the 10kV live line, since there is no special tool, when the live operation is performed, the metal wire in the bird's nest will often fall on the wire, causing the line to trip or ground.

In the prior art, when metal wires are found in the bird's nest, in order to prevent accidents, power outage operations are often used to remove the bird's nest. The demolition of bird nests during power outages requires not only arranging power outages, but also taking a series of safety measures such as power inspections, sealing and hanging ground wires, etc.; After that, send power again. Because the power outage brings certain losses to power users, it also affects the completion of the electricity sales target of the power supply company.

Regardless of the use of live work vehicles, considering the ground potential live work method, if bare wire insulation shields and other tools to prevent wire short circuit and grounding are developed, it will be possible to remove the bird's nest of the 10kV line erected by the bare wire. The metal wire in the bird's nest of the tension pole tower will not fall on the wire, which will prevent the operator from electric shock and improve the safety and sense of security of the operator.

Utility model content

The problem to be solved by the utility model is to provide an auxiliary tool that can remove the bird's nest on the tension rod when the overhead line composed of bare wires and wire clips is charged, so that the operator can use this tool to avoid manual contact. Remove the bird's nest material by contacting the overhead wires to prevent workers from being electrocuted.

In order to solve the above problems, the utility model provides an insulating cover for shielding live lines in the air, including a shielding device, a transmission device and an insulating hollow tube; the shielding device includes an insulating cover, a push-pull plate, a fixed slide plate and a universal slide plate; The insulating cover includes an upper insulating cover and a lower insulating cover; the push-pull plate includes a first push-pull plate whose end is hinged to the upper insulating cover, and a second push-pull plate whose end is hinged to the lower insulating cover; the first push-pull plate and the second The other end of the push-pull plate is hinged in the strip-shaped sliding hole on the fixed slide plate through a pin shaft and can approach or move away from the insulating hollow tube along the strip-shaped sliding hole; the fixed sliding plate is arranged in the insulating hollow tube and have a first connecting portion and a second connecting portion protruding from opposite sides of the insulating hollow tube; one end of the universal slide plate is hinged to the lower insulating cover and the second push-pull plate through a pin shaft, The other end of the universal slide is hinged to the transmission device to receive the driving force.

The middle part of the upper insulation cover and the middle part of the lower insulation cover are hinged on the second connecting part of the fixed slide plate at the same time;

The fixed sliding plate is arranged on the upper end of the insulating hollow tube and is parallel to the insulating hollow tube, and the strip-shaped sliding hole is located on the first connecting part, and its length direction is perpendicular to the insulating hollow tube.

The upper part of the insulating hollow tube is provided with a strip-shaped first installation hole, a second installation hole and a third installation hole passing through the insulating hollow tube along the length direction, and the third installation hole is set in the first installation hole and between the second installation hole; the fixed slide plate is fixed in the first installation hole; the first push-pull plate and the second push-pull plate are arranged in the second installation hole and can be Driven by the slide plate to slide along the strip-shaped slide hole, at the same time, one end of the first push-pull plate and one end of the second push-pull plate approach or move away from each other; the universal slide plate is arranged in the third mounting hole and It can move in the third installation hole driven by the transmission device.

The transmission device includes an insulating pull rod and a limit mechanism, one end of the insulating pull rod is hinged to one end of the universal slide, and the other end of the insulating pull rod is hinged to one end of the insulating handle; the limit mechanism includes a sleeve The spring on the insulating pull rod, the upper limit tube abutted against one end of the spring and the lower limit plate abutted against the other end of the spring, the upper limit tube is sleeved on the insulating pull rod and connected to the The insulating rod is fixed and hinged, the lower limiting plate is provided with a perforation for the lower limiting plate to be sleeved on the insulating rod, and the insulating hollow tube is pierced with a hole that is away from the lower limiting plate. One side of the spring abuts against the bolt to fix the lower limit plate.

One end of the insulating handle passes through the fourth installation hole provided on the insulating hollow tube and is hinged to one end of the insulating clamp fixed on the insulating hollow tube, and the part of the insulating handle located in the insulating hollow tube is connected to the insulating hollow tube. The second end of the insulating pull rod is hinged.

The first push-pull plate and the second push-pull plate are arc-shaped with the same radian and are arranged in relative buckle. Both the upper and lower insulating covers include a cover body and an arc-shaped plate, and the two arc-shaped plates have the same arc. And relatively fastened, one end of the two arc-shaped plates is respectively hinged with the first push-pull plate and the second push-pull plate, and the other ends of the two arc-shaped plates are fixedly connected with the two covers respectively, and At the same time, it is hinged with the second connecting portion of the fixed slide plate, and the opposite sides of the two covers form a cavity for wrapping the exposed wires and wire clips.

The insulating cover for shielding live lines in the air also includes an extension plate for extending the length of the cover along the length direction of the wires; screw holes for installing the extension plate are provided at both ends of the cover.

Both the upper end and the lower end of the insulating hollow tube are provided with plugs.

The insulating hollow pipe, the insulating handle, the insulating clamp, the insulating pull rod and the insulating cover are all made of insulating materials.

The beneficial effect of the utility model is that the operator can dismantle the bird's nest on the exposed wire and the wire clip when it is charged, and can prevent the metal wire mixed with the bird's nest material from falling into the charged bare wire clip and the adjacent wires. live conductors to ensure personnel safety and stay away from electric shock hazards.

Description of drawings

Fig. 1 is the structural perspective view of the closed state of the shielding device of the insulating cover shielding the live line in the air of the present invention;

Fig. 2 is a structural perspective view of the open state of the shielding device of the insulating cover shielding the live line in the air of the present invention.

Fig. 3 is a structural schematic diagram of the insulating hollow tube of the insulating cover that shields the live line in the air according to the present invention.

Fig. 4 is a schematic diagram of the fixed slide plate of the insulating cover for shielding the live line in the air of the present invention.

Fig. 5 is a cross-sectional view of the upper insulating cover for shielding live lines in the air of the utility model.

Fig. 6 is a side view of the upper insulating cover for shielding live lines in the air of the utility model.

Fig. 7 is a top view of the upper insulating cover for shielding live lines in the air of the present invention.

Explanation of main reference signs:

1 ~ insulating hollow tube;

2 ~ insulated handle;

3～Fixed skateboard;

4～Universal skateboard;

5 ~ the first connecting part;

6 ~ the first mounting hole;

7～strip sliding hole;

8 ~ the first push-pull plate;

9 ~ the second push-pull plate;

10 ~ upper insulating cover;

11～lower insulating cover;

12 ~ the second connecting part;

13 ~ the second mounting hole;

14 to the third mounting hole;

15 ~ the first curved plate;

16 ~ upper cover body;

17 ~ the second curved plate;

18 ~ lower cover body;

19 ~ the left section of the cover body;

20 ~ the right section of the cover body;

21 ~ insulation pull rod;

22 ~ spring;

23 ~ upper limit tube;

24～lower limit plate;

25～rectangular hole;

26 ~ handle;

27 ~ connecting shaft;

28 to the fourth mounting hole;

29～insulation clamp;

30 ~ plug;

31 ~ fixing bolts;

32～left extension board;

33～right extension plate.

Detailed ways

The insulating cover for shielding live lines in the air of the present invention will be described in detail below in conjunction with the accompanying drawings, but it is not intended to limit the present invention.

As shown in Figures 1 to 4, the utility model discloses an insulating cover for shielding live lines in the air, including a shielding device, a transmission device and an insulating hollow tube;

The shielding device comprises an insulating cover, a push-pull plate, a universal slide plate 4 and a fixed slide plate 3; the insulating cover comprises an upper insulating cover 10 and a lower insulating cover 11; The second push-pull plate 9 hinged by the cover 11; the other end of the first push-pull plate 8 and the second push-pull plate 9 are hinged in the strip-shaped slide hole 7 on the fixed slide plate 3 through a pin shaft, and can be moved along the strip. The shape slide 7 is close to or away from the insulating hollow tube 1; one end of the universal slide 4 is hinged to the lower insulating cover 11 and the second push-pull plate through a pin, and the other end of the universal slide 4 is connected to the insulating One end of the pull rod 21 is hinged to receive the driving force; the fixed slide plate 3 is arranged in the insulating hollow tube 1 and has a first connecting portion 5 and a second connecting portion 12 protruding from opposite sides of the insulating hollow tube 1; the transmission device An insulated handle 2 for the operator to hold and apply force is provided.

The middle part of the upper insulating cover 10 and the middle part of the lower insulating cover 11 are hinged on the second connection part 12 of the fixed slide plate 3 at the same time; The axes are parallel, the strip-shaped sliding hole 7 is located on the first connecting part 5 , and its length direction is perpendicular to the insulating hollow tube 1 . When the insulating handle 2 is grasped, the universal slide 4 moves under the drive of the insulating pull rod 21, driving the upper and lower insulating covers to open or close to realize the insulation wrapping of the exposed wires and clamps.

The upper part of the insulating hollow tube 1 is provided with a strip-shaped first mounting hole 6 , a second mounting hole 13 and a third mounting hole 14 passing through the insulating hollow tube 1 along the length direction, and the third mounting hole 14 is located in the first mounting hole 6 and the second mounting hole 13; the fixed slide plate 3 is fixed in the first mounting hole 6; the first push-pull plate 8 and the second push-pull plate 9 are located in the second mounting hole 13 and can Driven to slide along the strip-shaped slide hole 7, at the same time, one end of the first push-pull plate 8 and one end of the second push-pull plate 9 approach or move away from each other; the universal slide plate 4 is located in the third mounting hole 14 and can Driven by the device, it moves in the third mounting hole 14; the middle part of the insulating hollow tube 1 is provided with a rectangular hole 25 whose shape can accommodate the vertical insertion of the lower limit plate 24 into the insulating hollow tube 1.

One end of the insulating pull rod 21 is hinged to one end of the universal slide 4, and the other end of the insulating pull rod 21 is hinged to one end of the insulating handle 2; The upper limit tube 23 and the lower limit plate 24 abutted against the other end of the spring 22, the upper limit tube 23 is sleeved on the insulating pull rod 21 and fixedly hinged with the insulating pull rod 21, and the lower limit plate 24 is provided with a lower limit plate 24 Bolts abutting against the side of the lower limiting plate 24 away from the spring 22 are pierced through the insulating hollow tube 1 to fix the lower limiting plate 24 .

The first push-pull plate 8 and the second push-pull plate 9 are arc-shaped with the same radian and are relatively snap-fitted. The upper insulating cover 10 includes an upper cover body 16 and a first arc-shaped plate 15, and the lower insulating cover 11 includes The lower cover body 18 and the second arc-shaped plate 17, the two arc-shaped plates have the same radian and are arranged in a buckle shape relative to each other. One end of the two arc-shaped plates is respectively hinged with the first push-pull plate 8 and the second push-pull plate 9. The other end of the arc-shaped plate is fixedly connected with the two covers respectively, and is hinged with the second connecting part 12 of the fixed slide plate 3 at the same time, and the opposite side of the two covers forms a cavity for wrapping the exposed wire and the wire clamp. One end of the insulating handle 2 passes through the fourth mounting hole 28 provided on the insulating hollow tube 1 and is hinged to one end of the insulating clamp 29 fixed on the insulating hollow tube 1 , and the part located in the insulating hollow tube 1 is connected to one end of the insulating pull rod 21 hinged.

In this embodiment, the cover body is symmetrical up and down. As shown in FIGS. . When the wires that need to be shielded are relatively long, the spare left extension plate 32 and the right extension plate 33 can also be connected to the cover body by fixing bolts 31 to meet the needs of use.

In addition, both ends of the insulating hollow tube 1 in this embodiment are provided with plugs. The insulating hollow tube 1, the insulating handle 26, the insulating clamp 29, the insulating pull rod 21 and the insulating cover are all made of insulating materials.

In other embodiments, the upper and lower covers can also be in other styles that can effectively shield the exposed wires and wire clips, such as a rhombus or ellipse in the vertical length direction. The insulating cover can also be an upper and lower asymmetric structure.

The operation steps of using this embodiment are as follows:

As shown in Figures 1 and 2, press the grip 26 of the insulating handle 2 to move it toward the direction of the insulating hollow tube 1, and the connecting rod of the insulating handle 2 extending into the insulating hollow tube 1 pushes the insulating pull rod 21 toward the insulating hollow tube 1 upper end movement. At this time, the spring 22 is stretched, and the universal slide plate 4 is driven by the insulating pull rod 21 to push the lower insulating cover 11 to rotate clockwise relative to the pin shaft on the second connecting part 12, and at the same time push the second push-pull plate 9 to move along the strip shape. The sliding hole 7 slides away from the insulating hollow tube 1; and then drives the first push-pull plate 8 to slide along the bar-shaped sliding hole 7 in a direction away from the insulating hollow tube 1, and the upper insulating cover 10 is relatively The pin rotates counterclockwise. At this time, the upper cover body 16 and the lower cover body 18 are opened.

Loosen the grip 26 of the insulating handle 2, and the spring 22 shrinks to drive the insulating pull rod 21 to move downward, and the universal slide 4 is driven by the insulating pull rod 21, and pulls the lower insulating cover 11 against the pin shaft on the second connecting part 12. Turn clockwise, and at the same time pull the second push-pull plate 9 to slide along the strip-shaped sliding hole 7 toward the direction close to the insulating hollow tube 1; and then drive the first push-pull plate 8 to also slide along the strip-shaped sliding hole 7 toward the direction close to the insulating hollow tube 1, The upper insulating cover 10 rotates clockwise relative to the pin shaft on the second connecting portion 12 . At this time, the upper cover body 16 and the lower cover body 18 are closed, and the exposed wires and wire clips can be fastened in the cover body, thereby providing insulation protection for manual work near the wire rod.

The above embodiments are only exemplary embodiments of the utility model, and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the utility model.

Claims (9)

1. An insulating cover for shielding live lines in the air, characterized in that: it comprises a shielding device, a transmission device and an insulating hollow tube; The shielding device includes an insulating cover, a push-pull plate, a fixed slide plate and a universal slide plate; The insulating cover includes an upper insulating cover and a lower insulating cover; The push-pull plate includes a first push-pull plate with one end hinged to the upper insulation cover, and a second push-pull plate with one end hinged to the lower insulation cover; the other ends of the first push-pull plate and the second push-pull plate are hinged to the fixed in the strip-shaped sliding hole on the sliding plate and can approach or move away from the insulating hollow tube along the strip-shaped sliding hole; The fixed sliding plate is arranged in the insulating hollow tube and has a first connecting portion and a second connecting portion protruding from opposite sides of the insulating hollow tube; One end of the universal slide plate is hinged with the lower insulating cover and the second push-pull plate through a pin, and the other end of the universal slide plate is hinged with the transmission device to receive the driving force. 2. The insulating cover for shielding aerial live lines according to claim 1, characterized in that: The middle part of the upper insulation cover and the middle part of the lower insulation cover are hinged on the second connecting part of the fixed slide plate at the same time; The fixed sliding plate is arranged on the upper end of the insulating hollow tube and is parallel to the insulating hollow tube, and the strip-shaped sliding hole is located on the first connecting part, and its length direction is perpendicular to the insulating hollow tube. 3. The insulating cover for shielding aerial live lines according to claim 2, characterized in that: The upper part of the insulating hollow tube is provided with a strip-shaped first installation hole, a second installation hole and a third installation hole passing through the insulating hollow tube along the length direction, and the third installation hole is set in the first installation hole and between the second mounting hole; The fixed slide plate is fixed in the first installation hole; The first push-pull plate and the second push-pull plate are arranged in the second installation hole and can slide along the strip-shaped sliding hole driven by the universal slide plate. At the same time, one end of the first push-pull plate close to or away from one end of the second push-pull plate; The universal slide is arranged in the third installation hole and can move in the third installation hole driven by the transmission device. 4. The insulating cover for shielding aerial live lines according to claim 2, characterized in that: The transmission device includes an insulating pull rod and a limit mechanism, one end of the insulating pull rod is hinged to one end of the universal slide, and the other end of the insulating pull rod is hinged to one end of the insulating handle; The limit mechanism includes a spring sleeved on the insulating pull rod, an upper limit tube abutted against one end of the spring, and a lower limit plate abutted against the other end of the spring, and the upper limit tube is sleeved on the The insulating pull rod is fixed and hinged with the insulating pull rod, the lower limit plate is provided with a perforation for the lower limit plate to be sleeved on the insulating pull rod, and the insulating hollow tube is pierced with a The side of the lower limiting plate facing away from the spring abuts against the bolt to fix the lower limiting plate. 5. The insulating cover for shielding aerial live lines according to claim 4, characterized in that: One end of the insulating handle passes through the fourth installation hole provided on the insulating hollow tube and is hinged to one end of the insulating clamp fixed on the insulating hollow tube, and the part of the insulating handle located in the insulating hollow tube is connected to the insulating hollow tube. The second end of the insulating pull rod is hinged. 6. The insulation cover for shielding aerial live lines according to claim 2, characterized in that: The first push-pull plate and the second push-pull plate are arc-shaped with the same radian and are arranged in relative buckle, the upper and lower insulating covers both include a cover body and an arc-shaped plate, and the two arc-shaped plates have the same arc And relatively fastened, one end of the two arc-shaped plates is respectively hinged with the first push-pull plate and the second push-pull plate, and the other ends of the two arc-shaped plates are fixedly connected with the two covers respectively, and At the same time, it is hinged with the second connecting portion of the fixed slide plate, and the opposite sides of the two covers form a cavity for wrapping the exposed wires and wire clips. 7. The insulating cover for shielding the live line in the air according to claim 6, characterized in that: it also includes an extension plate for extending the length of the cover along the length direction of the wire; the two ends of the cover are provided with The screw hole of the extension plate. 8. The insulating cover for shielding aerial live lines according to any one of claims 1 to 7, characterized in that: Both the upper end and the lower end of the insulating hollow tube are provided with plugs. 9. The insulating cover for shielding aerial live lines according to claim 8, characterized in that: The insulating hollow pipe, the insulating handle, the insulating clamp, the insulating pull rod and the insulating cover are all made of insulating materials.