CN202797762U - Live line disconnecting connecting lead arc extinguishing device - Google Patents

Abstract

The utility model discloses an arc suppressing device for disconnecting a lead wire with electricity, which comprises a lead wire clamp and an arc suppressing pulley. The arc suppression device for live wire disconnection of the utility model hangs on the wire through the opening of the hook, and then turns the locking bolt to make it pass through the through hole on the fixed side of the hook and make it stuck on the hook, and then tighten it by rotating The fixed screw drives the fixed block and the hook connected thereto to move until the wire is locked. Pass the copper wire part of the arc-suppression rope through the pulley of the arc-suppression block, and fix it on the drainage line with a lead wire clamp after winding a circle at the end of the drain line. The fixing of the drain wire on the lead wire fixture is to open the two arc-shaped pieces of the lead wire fixture, insert the arc-extinguishing rope between the two arc-shaped pieces, and then clamp the two arc-shaped pieces on the drain wire to lock Tighten the locking bolt, and then adjust the small arc-shaped piece to press the copper wire part of the drainage line and the arc-extinguishing rope.

Description

Live disconnect lead wire arc suppression device

technical field

The utility model relates to a disconnection lead wire arc suppression device, in particular to a live disconnection lead wire arc suppression device.

Background technique

At present, the arc suppressing device used in the live disconnection lead used in the power transmission and transformation work is basically the traditional tool made by the predecessors. The arc suppressing block body is made of iron material with poor conductivity, and the hook of the block is directly hung on the wire. There is no locking device on the wire, the contact surface with the wire is small, the holding force is also small, and the contact resistance is large. The arc suppression rope is only connected with the lead wire by binding, and it is easy to fall off due to poor contact. Therefore, the flow capacity of the traditional arc suppression device is not strong, and heating may occur during the operation process. The arc suppression rope is bound in a way that the lead wire may fall off and cause short circuit accidents due to loose binding, and the safety and reliability are not high.

Utility model content

The purpose of this utility model is to overcome the disadvantages of the prior art, and provide a live disconnection lead wire arc suppression device with large contact surface, high grip force, strong flow capacity, safety, reliability and convenient operation. .

A lead wire arc suppression device for live disconnection, characterized in that it includes a lead wire clamp and an arc suppression pulley,

The arc-extinguishing block includes a hook, a locking bolt is arranged at the opening of the hook, a fixed pulley is arranged at the lower part of the fixed side of the hook, and a locking bolt is hinged on the opening side of the hook. The side is provided with a through hole extending along the height direction of the fixed side, and the locking bolt passes through the through hole and protrudes outside the through hole when locking the opening of the hook. A hook is provided, and the hook is hinged on a fixed block. The hook can swing back and forth along a plane perpendicular to the locking bolt. A fastening screw is arranged above the fixed block. A nut is fixed on the outer surface of the upper part of the through hole, the fastening screw rod is passed through the nut to hang the fixed block and the hook, and the upper part of the hook is provided with a lifting ring for convenient operation of the operating rod;

The lead wire clamp includes two arc-shaped pieces that embrace each other, one opening side of the arc-shaped pieces is hinged together, and one of the arc-shaped pieces on the other opening side of the arc-shaped pieces is provided with two locks. Bolt, the locking bolt is hinged on the arc-shaped piece, the locking bolt swings along the swing direction of the arc-shaped piece, and an opening slot for locking the locking bolt is arranged on the corresponding side of the other arc-shaped piece, and the locking bolt snaps After entering the opening slot, lock it with a nut. There is also a small arc-shaped piece inside one of the arc-shaped pieces. The arc-shaped piece is screwed to the arc-shaped piece through a threaded connection. The curved pieces stand facing each other.

The arc suppressing device for live wire disconnection with this structure hangs on the wire through the opening of the hook, and then turns the locking bolt to make it pass through the through hole on the fixed side of the hook and make it stuck on the hook, and then tighten it by turning The fixed screw drives the fixed block and the hook connected to it to move until the wire is locked. Since the hook can move up and down, the space between the locking bolt and the upper part of the hook changes, so it can be used for different wires. Pass the copper wire part of the arc-suppression rope through the pulley of the arc-suppression block, and fix it on the drainage line with a lead wire clamp after winding a circle at the end of the drain line. The fixing of the drain wire on the lead wire fixture is to open the two arc-shaped pieces of the lead wire fixture, insert the arc-extinguishing rope between the two arc-shaped pieces, and then clamp the two arc-shaped pieces on the drain wire to lock Tighten the locking bolt, and then adjust the small arc-shaped piece to press the copper wire part of the drainage line and the arc-extinguishing rope.

An opening slot for the locking bolt to pass through is arranged on the opening side of the hook.

In summary, the utility model has the following advantages compared with the prior art:

The live disconnection lead wire arc suppression device and the live disconnection lead wire method of the utility model 1. It has strong versatility, and the improved live disconnection lead wire arc suppression device can be used for 120mm ² -400mm ² power transmission and transformation equipment wires, with Strong versatility.

2. The advantages of convenient use. The main body of the arc suppression device is made of aluminum alloy, which is light in weight and easy to carry and install at high altitude. The arc-suppressing block is improved, and all components such as adjustment and locking are unified and can be installed in place at one time. The operation is simple, convenient and quick.

3. The flow capacity is strong, which reduces the possibility of arc-suppression rope heating and fusing. The lead wire clamp can firmly lock the arc-suppression rope and the drainage wire, eliminating the possibility of the drainage wire falling off, and has high safety and reliability.

Description of drawings

Figure 1 is a schematic structural diagram of the arc suppression pulley of the live disconnection lead wire arc suppression device of the present utility model.

Figure 2 is the left side view of Figure 1.

Figure 3 is the A-direction view of Figure 1.

Fig. 4 is a structural schematic diagram of a lead clamp.

Figure 5 is a schematic diagram of the structure of the lead clamp opened.

Explanation of Reference Signs 1 Arc suppression block 11 Hook 111 Hook opening 112 Hook fixed side 1121 Through hole on Hook fixed side 113 Hook opening side 1131 Hook opening side opening groove 12 Locking bolt 121 Radius on locking bolt 13 Fixed pulley 14 Grab hook 15 fixed block 16 fastening screw rod 17 suspension ring 2 lead clamp 21 arc-shaped piece 211 opening slot on the arc-shaped piece 22 locking bolt 23 small arc-shaped piece.

Detailed ways

Below in conjunction with embodiment the utility model is described in more detail.

Example 1

A lead wire arc suppression device for live disconnection, comprising a lead wire clamp 2 and an arc suppression pulley 1,

The arc-extinguishing block is shown in Figure 1-3, including a hook 11, a locking bolt 12 is arranged at the opening 111 of the hook, and a fixed pulley 13 is arranged at the lower part of the fixed side of the hook for fixing. The opening side 113 is hinged with a locking bolt, and the hook fixing side 112 is provided with a through hole 1121 extending along the height direction of the fixing side. Outside the hole, a hook 14 is provided at the through hole on the outside surface of the hook fixing side. The hook is hinged on a fixed block 15, and the hook can swing back and forth along a plane perpendicular to the locking bolt. A fastening screw 16 is arranged above the fixed block, and a nut is fixed on the outer surface of the upper part of the through hole on the fixed side of the hook. The fastening screw passes through the nut to hang the fixed block and the hook. Lifting ring 17 operated by operating lever. An opening slot 1131 through which the locking bolt passes is provided on the opening side of the hook. The side of the locking bolt in contact with the wire has a radian 121 to facilitate cooperation with the wire.

Described lead wire clamp is shown in Figure 4, 5, and it comprises two arc-shaped pieces 21 that embrace together, and one opening side of the arc-shaped piece is hinged together, and the arc on the other opening side of the arc-shaped piece One of the shaped pieces is provided with two locking bolts 22, the locking bolts are hinged on the arc-shaped piece, the locking bolts swing along the swing direction of the arc-shaped piece, and a locking bolt is arranged on the corresponding side of the other arc-shaped piece. Insert the opening slot 211 of the locking bolt, lock the locking bolt with a nut after snapping into the opening slot, and a small arc-shaped piece 23 is also arranged on the inner side of one of the arc-shaped pieces, and the arc-shaped piece passes through the screw of the threaded connector. Connected to the arc-shaped sheet, the small arc-shaped sheet is opposite to another arc-shaped sheet.

The parts not described in this embodiment are the same as the prior art.

Claims (3)

1. A lead wire arc suppression device for live disconnection, characterized in that: it includes a lead wire clamp and an arc suppression block, The arc-extinguishing block includes a hook, a locking bolt is arranged at the opening of the hook, a fixed pulley is arranged at the lower part of the fixed side of the hook, and a locking bolt is hinged on the opening side of the hook. The side is provided with a through hole extending along the height direction of the fixed side, and the locking bolt passes through the through hole and protrudes outside the through hole when locking the opening of the hook. A hook is provided, and the hook is hinged on a fixed block. The hook can swing back and forth along a plane perpendicular to the locking bolt. A fastening screw is arranged above the fixed block. A nut is fixed on the outer surface of the upper part of the through hole, and the fastening screw rod is passed through the nut to hang the fixing block and the hook, and the upper part of the hook is provided with a lifting ring for convenient operation of the operating rod; The lead wire clamp includes two arc-shaped pieces that embrace each other, one opening side of the arc-shaped pieces is hinged together, and one of the arc-shaped pieces on the other opening side of the arc-shaped pieces is provided with two locks. Bolt, the locking bolt is hinged on the arc-shaped piece, the locking bolt swings along the swing direction of the arc-shaped piece, and an opening slot for locking the locking bolt is arranged on the corresponding side of the other arc-shaped piece, and the locking bolt snaps After entering the opening slot, lock it with a nut. There is also a small arc-shaped piece inside one of the arc-shaped pieces. The arc-shaped piece is screwed to the arc-shaped piece through a threaded connection. The curved pieces stand facing each other. 2. The arc suppressing device for live disconnecting leads according to claim 1, characterized in that: an opening slot for the locking bolt to pass is provided on the opening side of the hook. 3. The arc suppressing device for live disconnecting lead wires according to claim 2, characterized in that: the side of the locking bolt in contact with the wire has a curvature to facilitate cooperation with the wire.

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