CN214153731U

CN214153731U - Grounding device of transformer substation

Info

Publication number: CN214153731U
Application number: CN202120266810.7U
Authority: CN
Inventors: 杨波
Original assignee: Guangxi Electrical Polytechnic Institute
Current assignee: Guangxi Electrical Polytechnic Institute
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-09-07
Anticipated expiration: 2031-01-30

Abstract

The utility model discloses a transformer substation grounding device, which comprises a wire clamp, a wiring terminal, a supporting rod and a traction rope; the wire clamp comprises two arc-shaped clamping jaws, one end of the wire clamp is provided with a handle, the end of the wire clamp is provided with a hinge for hinging the two clamping jaws, a spring is arranged in the hinge, the two clamping jaws can be opened after the two handles are pressed to be contracted, the other end of the clamping jaw is provided with comb-shaped staggered teeth, the staggered teeth are mutually staggered when the clamping jaws are meshed, the opposite surfaces of the two clamping jaws are covered with a conductive layer, and the clamping jaws and the handles are made of insulating materials; the connecting terminal protrudes out of one clamping jaw, and the connecting terminal can be conductively connected with the conducting layer; the supporting rod is supported and fixed on the same side face of the clamping jaw where the wiring terminal is located; one end of the traction rope is fixedly connected to the handle at the opposite side of the supporting rod, and the other end of the traction rope penetrates through the handles at the same side of the supporting rod and is used for pulling the two handles to be retracted. The device can conveniently grip cables with different thicknesses and other grounding parts with different specifications and shapes, and has good universality.

Description

Grounding device of transformer substation

Technical Field

The utility model relates to a transformer substation grounding device, this transformer substation grounding device are the fastener that a ground connection was used.

Background

At present, electrical connection equipment of a transformer substation is mainly connected by electric conductors such as busbars and aluminum wires, and when the equipment is overhauled due to power failure, a grounding device is generally arranged in the working range of workers and used for protecting the personal safety of the maintainers. The existing grounding wire head is mostly a hook-type grounding wire head, and a cable is hooked through the grounding wire head during use, so that the grounding wire can be conveniently connected into a grounding wire. The hook type grounding wire head cannot be adjusted, so that the contact surface between the grounding wire head and the lead is small and the grounding wire head is easy to fall off; and the operation is complicated, the management is inconvenient, the device fittings are not universal, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a transformer substation grounding device is provided, this transformer substation grounding device's centre gripping position is adjustable, and the commonality is good.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a transformer substation grounding device comprises a wire clamp, a wiring terminal, a supporting rod and a traction rope; the wire clamp comprises two arc-shaped clamping jaws, one end of the wire clamp is provided with a handle, the end part of the wire clamp is provided with a hinge for hinging the two clamping jaws, a spring is arranged in the hinge, the two clamping jaws are mutually occluded into a ring shape in a natural state under the elastic force action of the spring, the two handles are opened into a V shape in a natural state, the two clamping jaws can be opened after the two handles are pressed to be internally contracted, the other ends of the clamping jaws are provided with staggered teeth in a comb shape, the staggered teeth of the two clamping jaws are mutually staggered when the clamping jaws are occluded, the opposite surfaces of the two clamping jaws are covered with a conductive layer, and the clamping jaws and the handles are made of insulating materials; the connecting terminal protrudes out of the surface of one clamping jaw, which is opposite to the other clamping jaw, and can be conductively connected with the conductive layer; the supporting rod is supported and fixed on the same side face of the clamping jaw where the wiring terminal is located; one end of the pulling rope is fixedly connected to the handle on the opposite side of the supporting rod, the other end of the pulling rope penetrates through the handle on the same side of the supporting rod and extends to the non-fixed end of the supporting rod, and the pulling rope is used for pulling the two handles to be retracted.

As a further improvement of the above technical solution:

the bracing piece includes connecting pipe and telescopic link, the one end and the clamping jaw of connecting pipe, the coaxial threaded connection of the other end and telescopic link.

The non-fixed end of the supporting rod is sleeved with an anti-slip sleeve, and anti-slip lines are arranged on the outer side of the anti-slip sleeve.

The protruding end of the wiring terminal is a tip, and the outer side of the wiring terminal is provided with an annular convex pattern.

And a non-fixed end of the traction rope is provided with a pull ring.

The conducting layer and the wiring terminal are made of copper or aluminum.

The utility model has the advantages that:

the utility model discloses earthing device of transformer substation can conveniently the cable of the different thicknesses of centre gripping through the clamping jaw that is provided with crisscross tooth each other to and the ground connection spare part of other different specifications, shapes, the commonality is good.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

The reference numbers in the figures are: 1. wire clamps; 11. a clamping jaw; 12. a handle; 13. a hinge; 14. a spring; 15. a conductive layer; 16. staggered teeth; 2. a wiring terminal; 3. a connecting pipe; 4. a telescopic rod; 5. an anti-slip sleeve; 6. a pulling rope; 7. and (4) a pull ring.

Detailed Description

The present invention will be described with reference to the accompanying drawings, wherein the specific embodiments are described herein for illustrative and explanatory purposes only and are not limiting.

As shown in fig. 1, the substation grounding device of the present embodiment includes a wire clamp 1, a wiring terminal 2, a support rod and a pulling rope 6; the wire clamp 1 comprises two arc-shaped clamping jaws 11, one end of the wire clamp 1 is provided with a handle 12, the end part of the wire clamp is provided with a hinge 13 for hinging the two clamping jaws 11, a spring 14 is arranged in the hinge 13, the two clamping jaws 11 are mutually meshed into a ring shape under the elastic force action of the spring 14, the two handles 12 are opened to form a V shape in a natural state, the two clamping jaws 11 can be opened after the two handles 12 are pressed to be shrunk inwards, the other ends of the clamping jaws 11 are provided with staggered teeth 16 in a comb shape, the staggered teeth 16 of the two clamping jaws 11 are mutually staggered when the clamping jaws 11 are meshed, the opposite surfaces of the two clamping jaws 11 are covered with a conductive layer 15, and the clamping jaws 11 and the handles 12 are made of insulating materials; the connecting terminal 2 protrudes from the surface of one clamping jaw 11 opposite to the other clamping jaw 11, and the connecting terminal 2 can be electrically connected with the conductive layer 15; the supporting rod is supported and fixed on the same side surface of the clamping jaw 11 where the wiring terminal 2 is positioned; one end of the pulling rope 6 is fixedly connected to the handle 12 at the opposite side of the supporting rod, the other end of the pulling rope 6 penetrates through the handle 12 at the same side of the supporting rod and extends to the non-fixed end of the supporting rod, and the pulling rope 6 is used for pulling the two handles 12 to be retracted.

Wherein, the bracing piece includes connecting pipe 3 and telescopic link 4, the one end and the clamping jaw 11 of connecting pipe 3, the coaxial threaded connection of the other end and telescopic link 4. The non-fixed end of the supporting rod is sleeved with an anti-slip sleeve 5, and anti-slip lines are arranged on the outer side of the anti-slip sleeve 5. The protruding end of the wiring terminal 2 is a tip, and the outer side of the wiring terminal 2 is provided with an annular convex pattern. The non-fixed end of the pulling rope 6 is provided with a pull ring 7. The conductive layer 15 and the connection terminal 2 are made of copper or aluminum.

The using method of the embodiment comprises the following steps:

before the ground connection, earlier be connected to binding post 2 with the ground connection cable, then adjust telescopic link 4, promote clamping jaw 11 to the position that needs the double-layered line, pull again and draw the stay cord 6 and open two clamping jaws 11, clip the position back that needs to be carried, loosen and draw the rope 6, rotate telescopic link 4 then and take off telescopic link 4, lay the ground connection cable at last, can.

Claims

1. Transformer substation's earthing device, its characterized in that: comprises a wire clamp (1), a wiring terminal (2), a support rod and a traction rope (6); the wire clamp (1) comprises two arc-shaped clamping jaws (11), one end of the wire clamp (1) is provided with a handle (12), the end part of the wire clamp is provided with a hinge (13) for hinging the two clamping jaws (11), a spring (14) is arranged in the hinge (13), the two clamping jaws (11) are mutually occluded into a ring shape under the action of the elastic force of the spring (14), the two handles (12) are opened into a V shape in a natural state, the two clamping jaws (11) can be opened after the two handles (12) are pressed to be internally contracted, the other end of each clamping jaw (11) is provided with comb-shaped staggered teeth (16), the staggered teeth (16) of the two clamping jaws (11) are mutually staggered when the clamping jaws (11) are occluded, the opposite surfaces of the two clamping jaws (11) are covered with a conductive layer (15), and the clamping jaws (11) and the handles (12) are both made of insulating materials; the connecting terminal (2) protrudes out of the surface of one clamping jaw (11) opposite to the other clamping jaw (11), and the connecting terminal (2) can be connected with the conducting layer (15) in a conducting mode; the supporting rod is supported and fixed on the same side face of the clamping jaw (11) where the wiring terminal (2) is located; one end of the pulling rope (6) is fixedly connected to the handle (12) on the opposite side of the supporting rod, the other end of the pulling rope penetrates through the handle (12) on the same side of the supporting rod and extends to the non-fixed end of the supporting rod, and the pulling rope (6) is used for pulling the two handles (12) to be retracted.

2. The substation grounding device of claim 1, wherein: the bracing piece includes connecting pipe (3) and telescopic link (4), the one end and clamping jaw (11) of connecting pipe (3), the other end and telescopic link (4) coaxial threaded connection.

3. A substation grounding device according to claim 1 or 2, characterized in that: the non-fixed end of the supporting rod is sleeved with an anti-slip sleeve (5), and anti-slip lines are arranged on the outer side of the anti-slip sleeve (5).

4. The substation grounding device of claim 1, wherein: the protruding end of the wiring terminal (2) is a tip, and the outer side of the wiring terminal (2) is provided with an annular convex pattern.

5. The substation grounding device of claim 1, wherein: and a pull ring (7) is arranged at the non-fixed end of the traction rope (6).

6. The substation grounding device of claim 1, wherein: the conducting layer (15) and the wiring terminal (2) are made of copper or aluminum.