CN219226656U

CN219226656U - High-voltage line overhauls with ground connection pincers

Info

Publication number: CN219226656U
Application number: CN202223137178.XU
Authority: CN
Inventors: 戴勤; 彭正; 周利
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-20
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a pair of grounding pliers for high-voltage line overhaul, which relates to the technical field of high-voltage line overhaul devices and comprises a supporting rod, wherein a fixing block which is integrally arranged is fixedly connected to the side wall of the top of the supporting rod, an arc-shaped notch is formed in the bottom of the fixing block, a fixing cylinder with both ends being sealed is connected to the side wall of the supporting rod through a connecting block, a supporting rod is connected to the fixing cylinder through an elastic device, and a clamping piece which is arranged in an arc shape is fixedly connected to the top of the supporting rod and penetrates through the fixing cylinder. According to the high-voltage wire clamping device, the elastic piece pulls the sliding block to move upwards, the sliding block moves upwards to drive the supporting rod to move upwards, the supporting rod moves upwards to drive the U-shaped clamping piece to be matched with the fixed block to clamp the high-voltage wire, the elastic piece can keep the clamping piece and the fixed block to be always in contact with the surface of the high-voltage wire, and in addition, the U-shaped clamping piece is inserted into the limiting opening on the fixed block, so that the clamping piece and the fixed block can clamp the high-voltage wire more stably.

Description

High-voltage line overhauls with ground connection pincers

Technical Field

The utility model relates to the technical field of high-voltage line overhaul devices, in particular to a grounding clamp for high-voltage line overhaul.

Background

The high-voltage line generally refers to a power transmission line for transmitting voltage above 10KV, the definition of the high-voltage line is 2.1, the high-voltage line does not contain 1000V, and the voltage class of the high-voltage power transmission line in China is generally divided into: 35KV, 110KV, 220KV, 330KV, 500KV, 750KV and the like.

In the prior art, the currently used grounding clamp is usually characterized in that the clamp head of the grounding clamp is hung on a high-voltage wire in a hook manner, and the grounding clamp is connected with the high-voltage wire in a hook manner, so that the grounding clamp is connected with the high-voltage wire in an unstable manner, the phenomenon of poor contact is easy to occur, and great potential safety hazards exist for life safety of maintenance personnel.

Disclosure of Invention

The utility model aims to solve the problem that the existing hook type grounding clamp and a high-voltage wire are unstable in connection mode in the prior art, and provides a grounding clamp for high-voltage line overhaul.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high-voltage line overhauls and uses earthing clamp, includes the vaulting pole, the fixed block that top lateral wall fixedly connected with an organic whole set up of vaulting pole, the bottom of fixed block is provided with the arc notch, the lateral wall of vaulting pole is connected with the fixed cylinder that both ends all seal to set up through the connecting block, the fixed cylinder is connected with branch through resilient means, the top of branch runs through fixed cylinder and fixedly connected with and is the holder that the arc set up, the top of fixed cylinder is provided with the through-hole a that corresponds with branch, be provided with the spacing mouth that the holder corresponds in the arc notch, the haulage rope is installed to the bottom of branch, the bottom of haulage rope runs through the fixed cylinder and extends to the bottom of fixed cylinder, the bottom of fixed cylinder is provided with the through-hole b that corresponds with the haulage rope, the earth conductor is installed to the bottom of vaulting pole.

Preferably, the clamping piece is arranged in a U shape.

Preferably, the elastic device comprises a sliding block fixedly connected to the bottom of the supporting rod, the sliding block is in sliding connection with the inner side wall of the fixed cylinder, the top of the sliding block is connected with the inner top of the fixed cylinder through an elastic piece, and the elastic piece is sleeved on the outer side wall of the supporting rod.

Preferably, the elastic member is a spring.

Preferably, the shape of the strut is cuboid.

Preferably, the bottom of the sliding block is fixedly connected with a fixed ring, and one end of the traction rope is tied on the fixed ring.

Preferably, one end of the traction rope far away from the fixed ring is fixedly connected with a finger ring.

Preferably, the outer side wall of the bottom of the supporting rod is fixedly sleeved with an anti-slip sleeve, and the anti-slip sleeve is made of rubber.

Compared with the prior art, the utility model has the beneficial effects that:

according to the high-voltage wire clamping device, the elastic piece pulls the sliding block to move upwards, the sliding block moves upwards to drive the supporting rod to move upwards, the supporting rod moves upwards to drive the U-shaped clamping piece to be matched with the fixed block to clamp the high-voltage wire, the elastic piece can keep the clamping piece and the fixed block to be always in contact with the surface of the high-voltage wire, and in addition, the U-shaped clamping piece is inserted into the limiting opening on the fixed block, so that the clamping piece and the fixed block can clamp the high-voltage wire more stably.

Drawings

Fig. 1 is a schematic structural view of a pair of grounding pliers for high-voltage line overhaul, which is provided by the utility model;

fig. 2 is a schematic cross-sectional structure of a pair of grounding pliers for high-voltage line overhaul provided by the utility model;

fig. 3 is a schematic diagram of the structure at a in fig. 2.

In the figure: 1. a brace rod; 2. a fixed block; 3. an arcuate recess; 4. a clamping member; 5. a support rod; 6. a connecting block; 7. a fixed cylinder; 8. a traction rope; 9. a finger ring; 10. an anti-slip sleeve; 11. a ground wire; 12. a limit opening; 13. an elastic member; 14. a sliding block; 15. and a fixing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a grounding clamp for high-voltage line overhaul comprises a supporting rod 1, and is characterized in that the side wall of the top of the supporting rod 1 is fixedly connected with a fixing block 2 which is integrally arranged, the bottom of the fixing block 2 is provided with an arc-shaped notch 3, the side wall of the supporting rod 1 is connected with a fixing cylinder 7 which is provided with both ends in a sealing way through a connecting block 6, the fixing cylinder 7 is connected with a supporting rod 5 through an elastic device, the top of the supporting rod 5 penetrates through the fixing cylinder 7 and is fixedly connected with a clamping piece 4 which is arranged in an arc shape, the top of the fixing cylinder 7 is provided with a penetrating hole a corresponding to the supporting rod 5, the elastic device comprises a sliding block 14 which is fixedly connected at the bottom of the supporting rod 5, the sliding block 14 is in sliding connection with the inner side wall of the fixing cylinder 7, the top of sliding block 14 is connected with the interior top of fixed section of thick bamboo 7 through elastic component 13, and elastic component 13 cover is established on the lateral wall of branch 5, upwards stretches sliding block 14 through elastic component 13, and upward motion of sliding block 14 drives clamping piece 4 and the cooperation of arc notch 3 on the fixed block 2 through branch 5, and it is fixed to carry out the centre gripping to the high-voltage wire, can improve the stability to high-voltage wire clamping, and elastic component 13 can keep clamping piece 4 and fixed block 2 to keep contacting with the surface of high-voltage wire always, avoids being connected between earth clamp and the high-voltage wire unstable, prevents to appear the phenomenon of poor contact, has reduced the life safety hazard to maintainer.

In the present utility model, the slider 14 is preferably circular in shape.

In the utility model, preferably, the arc-shaped notch 3 is internally provided with the limiting opening 12 corresponding to the clamping piece 4, and the limiting opening 12 has the function of limiting the clamping piece 4, so that the clamping piece 4 is prevented from shaking left and right, and the clamping stability of the high-voltage wire is improved.

The haulage rope 8 is installed to the bottom of branch 5, and the bottom of haulage rope 8 runs through fixed section of thick bamboo 7 and extends to the bottom of fixed section of thick bamboo 7, and the bottom of fixed section of thick bamboo 7 is provided with the through-hole b that corresponds with haulage rope 8, and ground lead 11 is installed to the bottom of vaulting pole 1. The traction rope 8 is used for adjusting the position of the sliding block 14 so that the clamping piece 4 is disconnected from the fixed block 2, and the high-voltage wire is positioned between the clamping piece 4 and the fixed block 2.

In the present utility model, the holding member 4 is preferably provided in a U-shape.

In the present utility model, the strut 5 is preferably rectangular parallelepiped in shape. The cuboid-shaped supporting rod 5 can limit the movement direction of the clamping piece 4, so that the clamping piece 4 can only move up and down and cannot rotate, and can be matched with the arc-shaped notch 3 on the fixed block 2 to stably clamp and fix the high-voltage wire.

In the present utility model, preferably, the bottom of the sliding block 14 is fixedly connected with a fixing ring 15, and one end of the traction rope 8 is tied on the fixing ring 15. The function of the fixing ring 15 is to facilitate a stable connection of one end of the traction rope 8 with the slider 14.

In the present utility model, preferably, the end of the traction rope 8 far from the fixing ring 15 is fixedly connected with the finger ring 9. The function of the finger ring 9 is to facilitate the maintenance personnel to pull the hauling rope 8 to adjust the position of the sliding block 14.

In the utility model, preferably, the outer side wall of the bottom of the stay bar 1 is fixedly sleeved with the anti-slip sleeve 10, and the anti-slip sleeve 10 is made of rubber. The anti-slip sleeve 10 can not only increase the friction between the stay bar 1 and the hands of the maintainer, but also increase the insulation of the stay bar 1.

The utility model can explain its functional principle by the following modes of operation:

according to the high-voltage line overhaul grounding clamp, when an maintainer uses the high-voltage line overhaul grounding clamp, the finger ring 9 is pulled to drive the bottom of the traction rope 8 to move downwards, the bottom of the traction rope 8 moves downwards to drive the sliding block 14 to move downwards, the sliding block 14 moves downwards to drive the clamping piece 4 to be disconnected with the fixed block 2, the high-voltage line overhaul grounding clamp is adjusted to move, so that a high-voltage line is positioned between the clamping piece 4 and the fixed block 2, the finger ring 9 is loosened, the sliding block 14 moves upwards due to elastic potential energy of the elastic piece 13, and the clamping piece 4 moves upwards to be matched with the arc-shaped notch 3 on the fixed block 2 to stably clamp the high-voltage line.

After the use is finished, the ring 9 is pulled to drive the bottom of the traction rope 8 to move downwards, the bottom of the traction rope 8 moves downwards to drive the sliding block 14 to move downwards, the sliding block 14 moves downwards to drive the clamping piece 4 to be disconnected with the fixed block 2, and then the high-voltage line overhaul grounding clamp is adjusted to move, so that the high-voltage line overhaul grounding clamp is far away from a high-voltage line, and the ring 9 is loosened.

The grounding clamp for high-voltage line overhaul is simple in structure, convenient to use, good in clamping stability on a high-voltage line, not prone to falling off and poor in contact, and capable of solving the problem that an existing hook-type grounding clamp is unstable in connection mode with the high-voltage line.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a high-voltage line overhauls and uses ground connection pincers, includes vaulting pole (1), its characterized in that, fixed block (2) that top lateral wall fixedly connected with of vaulting pole (1) set up an organic whole, the bottom of fixed block (2) is provided with arc notch (3), the lateral wall of vaulting pole (1) is connected with fixed section of thick bamboo (7) that both ends all seal to set up through connecting block (6), fixed section of thick bamboo (7) are connected with branch (5) through resilient means, fixed section of thick bamboo (7) and fixedly connected with clamping piece (4) that are the arc setting are run through at the top of branch (5), the top of fixed section of thick bamboo (7) is provided with through-hole a that corresponds with branch (5), be provided with spacing mouth (12) that clamping piece (4) correspond in arc notch (3), haulage rope (8) are installed to the bottom of haulage rope (8) run through fixed section of thick bamboo (7) and extend to the bottom of fixed section of thick bamboo (7), the bottom of fixed section of thick bamboo (7) is provided with and corresponds with haulage rope (8), wire (11) are installed to the bottom of vaulting pole (1).

2. The grounding clamp for high-voltage line overhaul as claimed in claim 1, wherein the clamping piece (4) is arranged in a U shape.

3. The grounding clamp for high-voltage line overhaul as claimed in claim 1, wherein the elastic device comprises a sliding block (14) fixedly connected to the bottom of the supporting rod (5), the sliding block (14) is slidably connected with the inner side wall of the fixed cylinder (7), the top of the sliding block (14) is connected with the inner top of the fixed cylinder (7) through an elastic piece (13), and the elastic piece (13) is sleeved on the outer side wall of the supporting rod (5).

4. A pair of earthing pliers for high voltage line maintenance according to claim 3, characterized in that the strut (5) is rectangular in shape.

5. A pair of grounding pliers for high-voltage line overhaul as claimed in claim 3, characterized in that the bottom of the sliding block (14) is fixedly connected with a fixing ring (15), and one end of the hauling rope (8) is tied on the fixing ring (15).

6. The grounding clamp for high-voltage line overhaul as claimed in claim 5, wherein one end of the hauling cable (8) far away from the fixed ring (15) is fixedly connected with a finger ring (9).

7. The grounding clamp for high-voltage line overhaul as claimed in claim 1, wherein the outer side wall of the bottom of the supporting rod (1) is fixedly sleeved with an anti-slip sleeve (10), and the anti-slip sleeve (10) is made of rubber.