CN209981511U

CN209981511U - Miniature low-voltage short-circuit and grounding personal security line

Info

Publication number: CN209981511U
Application number: CN201921175033.4U
Authority: CN
Inventors: 娄先义
Original assignee: Xiangyang Xianyi Electric Power Technology Co Ltd
Current assignee: Xiangyang Xianyi Electric Power Technology Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-01-21
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a miniature low-voltage short-circuit and grounding personal security wire, which comprises a large wire clamp, a small wire clamp, a grounding wire and a plurality of grounding connecting wires; many ground connection line one end and a screwed joint crimping are in the same place, and every ground connection line's the other end is connected with a little fastener, earth connection one end is connected with a big fastener, and the other end and screwed joint threaded connection, this safety wire enable the switch short circuit in, can also carry out ground connection, simple structure, safe and reliable can dismantle between earth connection line and the ground connection line, conveniently carry.

Description

Miniature low-voltage short-circuit and grounding personal security line

Technical Field

The utility model belongs to the technical field of electric power electrical overhaul and specifically relates to a miniature low pressure short circuit, individual safety line of ground connection.

Background

Electric power workman is when carrying out the overhaul of the equipments, need be when guaranteeing the circuit outage, in order to guarantee the absolute safety of maintenance in-process, often need with this circuit short circuit, but because the variety and the complexity of overhauing equipment, often lead to the safety wire short circuit connection difficulty, however, can all connect the circular telegram switch before general power equipment, and the simple structure of switch, have the commonality, all have A, B, C three-phase live wire and neutral conductor O, as long as can link together A, B, C three-phase live wire and neutral conductor O simultaneously through the wire, just can make the switch short circuit. If a safety line which has a simple structure and can short-circuit a switch can be provided, great convenience is provided for electric power overhaul work.

SUMMERY OF THE UTILITY MODEL

The utility model provides a miniature low pressure short circuit, the personal security line of ground connection when enabling the switch short circuit, can also carry out ground connection, simple structure, safe and reliable can dismantle between earth connection and the ground connection line, conveniently carries.

A miniature low-voltage short-circuit and grounding personal security wire comprises a large wire clamp, a small wire clamp, a grounding wire and a plurality of grounding connecting wires; many ground connection line one end and a screwed joint crimping are in the same place, and every ground connection line's the other end is connected with a little fastener, earth connection one end is connected with a big fastener, other end and screwed joint threaded connection.

Preferably, the large wire clamp and the small wire clamp both comprise a first spring clamp and a second spring clamp, the first spring clamp is hinged with the second spring clamp through a spring shaft, and the spring shaft divides the first spring clamp and the second spring clamp into a handheld part and a clamping end respectively; wherein, the clamping end of the small wire clamp is provided with saw tooth sections which are engaged with each other; the ends of the clamping ends of the large wire clamp are engaged in a staggered mode, and arc-shaped clamping parts are symmetrically arranged on the side faces of the clamping ends.

Preferably, the end of the ground wire connected with the ground connection wire is crimped through a first copper connector, one end of each of the ground connection wires is crimped through a second copper connector, and an internal thread matched with the threaded connector is arranged in the first copper connector.

Preferably, the large wire clamp and the small wire clamp are externally provided with first insulating sleeves, the handheld portion of the first spring clamp is in compression joint with the grounding connecting wire, and the outer side of the compression joint is wrapped by an insulating adhesive tape.

Preferably, the two sides of the copper joint are wrapped by a second insulating sleeve, and the second insulating sleeve extends towards the direction of the threaded joint and is provided with a cylindrical enlarged opening.

The beneficial effects of the utility model reside in that:

1. the grounding wire and the grounding connecting wire can be detached, and the carrying is convenient.

2. The clamping is firm, safe and reliable, the maintenance equipment can be effectively short-circuited and grounded, and the personal safety of the maintenance field workers is fully ensured.

3. To the inconvenient circumstances of ground connection when overhauing small-size equipment and overhauing, can demolish the earth connection, only use four ground connection lines can satisfy the function that causes the short circuit, the flexibility is strong.

Drawings

Fig. 1 is a schematic view of the structure splitting of the present invention.

Fig. 2 is a schematic view of the structural connection of the present invention.

Fig. 3 is a schematic view of a large wire clamp structure.

Fig. 4 is a schematic view of a small wire clamp structure.

The reference numbers are as follows: 1-large wire clamp, 2-small wire clamp, 3-grounding wire, 4-grounding connecting wire, 5-threaded joint, 6-spring clamp I, 7-spring clamp II, 8-handheld part, 9-clamping end, 10-sawtooth section, 11-arc clamping part, 12-insulating sleeve I, 13-insulating sleeve II, 14-enlarged opening, 15-copper joint I and 16-copper joint II.

Detailed Description

The present embodiment is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a miniature low-voltage short-circuit and grounding personal security wire comprises a large wire clamp 1, a small wire clamp 2, a grounding wire 3 and a plurality of grounding connecting wires 4; many 4 one end of ground connection line and a screwed joint 5 crimping are in the same place, and every 4 other ends of ground connection line are connected with a

little fastener

2, 3 one ends of earth connection line are connected with a big fastener 1, the other end and screwed joint 5 threaded connection. The grounding connecting wire 4 and the grounding wire 3 are wrapped by insulating outer skins.

In the embodiment, the large wire clamp 1 and the small wire clamp 2 both comprise a first spring clamp 6 and a second spring clamp 7, the first spring clamp 6 is hinged with the second spring clamp 7 through a spring shaft, and the spring shaft divides the first spring clamp 6 and the second spring clamp 7 into a handheld part 8 and a clamping end 9 respectively; wherein, the clamping end 9 of the small wire clamp 2 is provided with saw tooth sections 10 which are meshed with each other; the ends of the clamping ends 9 of the big wire clamp 1 are engaged in a staggered way, and arc-shaped clamping parts 11 are symmetrically arranged on the side surfaces. Wherein, the ground connection connecting wire 4 has four, the exposed core 9 of little fastener 2 is used for the A, B, C three-phase live wire of centre gripping linked switch and neutral conductor O's fixed screw, can cause the switch short circuit, wherein setting up of sawtooth section 10 can make little fastener 2 centre gripping more firm, prevent to drop, it further improves the security to set up earth connection 3, big fastener 1 is used for centre gripping earth bar or other ground structure, wherein, the exposed core 9 of big fastener 1 sets up arc clamping part 11 and can make big fastener 1 and the inseparable firm contact of earth bar more, also be in order to prevent that big fastener 1 from droing at the ground connection in-process.

In this embodiment, the ends of the ground wires 3 connected with the ground connection wires 4 are crimped by the first copper connectors 15, one ends of the ground connection wires 4 are crimped by the second copper connectors 16, and the first copper connectors 15 are internally provided with internal threads matched with the threaded connectors 5.

In the embodiment, the large wire clamp 1 and the small wire clamp 2 are respectively provided with an insulation sleeve I12, the handheld part 8 of the spring clamp I6 is in compression joint with the grounding connection wire 4, and the outer side of the compression joint is wrapped with insulation tapes.

In this embodiment, the second copper joint 16 is wrapped by the second insulating sleeve 13, and the second insulating sleeve 13 extends toward the threaded joint 5 and is provided with a cylindrical enlarged opening 14. The arrangement of the first insulating sleeve 12, the second insulating sleeve 13, the insulating tape and the arrangement of the cylindrical expandable opening 14 at the end of the second insulating sleeve 13 are all used for improving the corrosion resistance and safety performance of the equipment.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A miniature low-voltage short-circuit and grounding personal security line is characterized in that: the cable comprises a large cable clamp, a small cable clamp, a grounding wire and a plurality of grounding connecting wires; many ground connection line one end and a screwed joint crimping are in the same place, and every ground connection line's the other end is connected with a little fastener, earth connection one end is connected with a big fastener, other end and screwed joint threaded connection.

2. A miniature low-voltage short-circuit, grounded personal security wire as claimed in claim 1, wherein: the large wire clamp and the small wire clamp both comprise a first spring clamp and a second spring clamp, the first spring clamp and the second spring clamp are hinged through a spring shaft, and the spring shaft divides the first spring clamp and the second spring clamp into a handheld part and a clamping end respectively; wherein, the clamping end of the small wire clamp is provided with saw tooth sections which are engaged with each other; the ends of the clamping ends of the large wire clamp are engaged in a staggered mode, and arc-shaped clamping parts are symmetrically arranged on the side faces of the clamping ends.

3. A miniature low-voltage short-circuit, grounded personal security wire as claimed in claim 1, wherein: the end that earth connection and ground connection line are connected passes through the crimping of copper joint one, many ground connection line one end passes through the crimping of copper joint two, is equipped with the internal thread that uses with the screwed joint cooperation in the copper joint one.

4. A miniature low-voltage short-circuit, grounded personal security wire as claimed in claim 2, wherein: big fastener and little fastener all are equipped with insulating cover one outward, the handheld portion and the crimping of spring clamp one are in the same place and crimping department outside parcel has insulating tape.

5. A miniature low-voltage short-circuit, grounded personal security wire as claimed in claim 3, wherein: and the two sides of the copper joint are wrapped by a second insulating sleeve, and the second insulating sleeve extends towards the direction of the threaded joint and is provided with a cylindrical enlarged opening.