CN102916364A - Live line insulated locking lever, and method for installing and disassembling lead - Google Patents

Abstract

The invention belongs to the technical field of a fixing device for installing and dismounting a lead wire and a method for installing and dismounting a lead wire, and discloses an insulating locking rod for live work and a method for installing and dismounting a lead wire. Its main technical features are as follows: it includes a thread-locking head body located in front and an insulating rod located in the rear, a stopper with front and rear arc-shaped curved surfaces is arranged near the middle of the thread-locker body, and front and rear of the stopper are respectively provided with The front block and the rear block of the lead wire slot and the lead wire slot are formed between the block and the block. The front block is controlled by an insulating rod, and the rear block is controlled by a control mechanism. When installing the lead wire, first fix the lead wire in the lead wire slot, hold the insulating rod and put the wire into the wire slot, avoiding the damage to the operator due to discharge during contact, and fix the lead wire and the wire together by turning the insulating rod , One worker can complete the work of installing the lead wires, avoiding the misoperation and electric shock accidents easily caused by two people due to cooperation and other reasons, saving manpower and reducing labor intensity.

Description

Insulated locking rod for live work and methods for installing and removing lead wires

technical field

The invention belongs to the technical field of a live wire fixing device and a method for installing and removing a lead wire, and in particular relates to an insulating locking rod for live work and a method for installing and removing a lead wire.

Background technique

At present, in the work of lead wire lapping in power distribution live work (insulated glove operation), two operators generally operate on an insulating platform to realize lead wire lapping and removal. This operation method is easy due to coordination and other reasons. The resulting misoperation caused an electric shock accident, and at the same time, it did not meet the requirement that only one operator is allowed to operate in the bucket stipulated in the State Grid Corporation's "10kV Overhead Line Live Work Management Regulations".

Contents of the invention

The first technical problem to be solved by the present invention is to provide an insulated locking wire rod for live work that is safe and convenient to use, and can be completed by one person for lapping and removing lead wires for live work.

In order to solve the above-mentioned technical problems, the technical solution proposed by the present invention is as follows: comprising a wire locking head body positioned at the front and an insulating rod positioned at the rear, an insulating rod hole is arranged behind the wire locking head body, and the insulating rod and the insulating rod Hole bearing connection, near the middle part of the thread lock head body, a block with arc-shaped curved surface is arranged at the front and rear, and a cylindrical slideway with a gap at the upper end is arranged in front of the block, and a The front block that moves back and forth along the cylindrical slideway, the rear end surface of the upper part of the front block is an arc-shaped curved surface, and the rear end surface of the upper part of the front block and the front end surface of the stop block form a wire card slot, the lower half of the front block has a first screw hole with internal threads, and the front end of the insulating rod is a screw inserted into the first screw hole; behind the stopper, there is a control mechanism to control its front and rear The moving rear clamping block, the front end of the rear clamping block and the rear end of the stop block form a lead wire clamping groove.

Its additional technical features are:

The control mechanism includes a second screw hole with an internal thread and an adjusting bolt arranged in the second screw hole behind the locking thread head body, and the rear block is fixed on the top of the adjusting bolt;

A holding piece is arranged under the thread locking head body.

The second technical problem to be solved by the present invention is to provide a method for installing lead wires using the above-mentioned live working insulation locking rod.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the method comprises the following steps:

In the first step, the operator moves the rear block back through the control mechanism on the ground, puts the lead wire into the lead wire slot, and then adjusts the control mechanism to move the rear block forward to clamp the lead wire;

In the second step, the operator takes the insulating rod part of the live working insulating locking rod with the lead wire on the locking head body to the insulating platform;

The third step is to turn the insulating rod counterclockwise to make the front block move forward and put the wire into the wire slot;

The fourth step is to turn the insulating rod clockwise so that the front block moves backward, and the wire is tightly clamped in the wire slot;

The fifth step is to fix the wires and leads with parallel groove clamps;

In the sixth step, the operator moves the rear block back through the control mechanism, so that the lead wire is out of the lead wire slot, and then turns the insulating rod counterclockwise, so that the front block moves forward, and the wire is out of the wire slot, and the insulating lock wire for live work is removed. pole.

The third technical problem to be solved by the present invention is to provide a method for removing lead wires by using the above-mentioned live working insulation locking rod.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the method comprises the following steps:

In the first step, the operator fixes the wire in the wire clamping groove and the lead wire in the lead wire clamping groove through the control mechanism and rotating the insulating rod;

The second step is to remove the parallel groove clamp;

In the third step, the operator rotates the insulating rod counterclockwise, so that the front block moves forward, the wire breaks away from the wire slot, and the live working insulating locking rod with the lead wire is removed;

In the fourth step, the rear clamping block is moved backward through the control mechanism, so that the lead wire is detached from the lead wire clamping groove, and the lead wire is removed.

Compared with the prior art, the insulating wire locking rod for live work provided by the present invention has the following advantages: First, since it includes the wire locking head body at the front and the insulating rod at the rear, an insulating rod is arranged behind the wire locking head body The insulating rod is connected with the bearing of the insulating rod hole, and a stopper with an arc-shaped curved surface is provided at the front and rear near the middle of the locking thread head body, and a cylindrical slide with a notch on the upper end is provided in front of the stopper. Road, in the cylindrical slideway is provided with a front block that moves back and forth along the cylindrical slideway, the rear end surface of the upper part of the front block is an arc-shaped curved surface, and the rear end surface of the upper part of the front block The front end of the block is surrounded by a wire slot, the lower part of the front block has a first screw hole with internal threads, and the front end of the insulating rod is a screw inserted into the first screw hole; The back of the block is provided with a rear block which is controlled by the control mechanism to move forward and backward. The front end of the rear block and the rear end of the block form a lead wire slot. When installing the lead, the lead is first fixed on the lead card In the groove, hold the insulating rod to put the wire into the wire card groove, avoiding the damage to the operator caused by the discharge during contact. After turning the insulating rod, the lead wire and the wire are fixed together, and one worker can complete the work of installing the lead wire. It avoids the misoperation and electric shock accident easily caused by two people due to cooperation and other reasons, saves manpower and reduces labor intensity; The second screw hole and the adjusting bolt arranged in the second screw hole, the described rear clamping block is fixed on the top of the adjusting bolt, which is more convenient to use; thirdly, since a holding piece is arranged under the lock thread head body, the It is more convenient to remove the leads.

Description of drawings

Fig. 1 is a structural schematic diagram of an insulated locking wire rod for live work;

Fig. 2 is a structural schematic diagram of a section of an insulating locking rod for live work;

Fig. 3 is a cross-sectional view along line A-A of Fig. 1 .

Detailed ways

Below in conjunction with accompanying drawing, the structure of the live working insulation locking wire rod proposed by the present invention will be further described.

As shown in Fig. 1, Fig. 2 and Fig. 3, it is a schematic diagram of the structure of the insulating locking rod for live work. Its structure includes a thread-locking head body 1 at the front and an insulating rod 2 at the rear. An insulating rod hole 11 is provided behind the thread-locking head body 1. The insulating rod 2 and the insulating rod hole 11 are connected by a bearing 12. The thread-locking head body 1 is close to the The middle part is provided with stopper 5, and the front end face 51 of stopper 5 and the rear end face 52 are arc-shaped curved surfaces, and the front of this stopper 5 is provided with the columnar slideway 6 that upper end has gap 61, in columnar slideway 6 The front block 7 that moves back and forth along the cylindrical slideway 6 is arranged inside, the upper part rear end face 71 of the front block 7 is an arc-shaped curved surface, and the upper part rear end face 71 of the front block is in contact with the front end face of the block 5. Surrounded by a wire slot 8, the lower half of the front block 7 has a first screw hole 72 with an internal thread, and the front end of the insulating rod 2 is a screw 21 inserted into the first screw hole 72; The rear clamping block 3 which is controlled by the control mechanism 9 to move back and forth is arranged at the rear, and the front end surface 31 of the rear clamping block 3 and the rear end surface 52 of the stopper 5 enclose the lead wire clamping groove 10 .

The control mechanism 9 includes a second screw hole 91 with an internal thread and an adjusting bolt 92 arranged in the second screw hole at the rear of the thread lock head body 1, and the rear block 3 is fixed on the top of the adjusting bolt 92. More convenient.

A holding piece 4 is arranged under the thread locking head body 1, which is more convenient when installing and removing the lead wire.

The method for installing lead wires by using the above-mentioned live working insulation locking rod includes the following steps:

In the first step, the operator moves the rear block 3 backward through the control mechanism 9 on the ground, puts the lead wire into the lead wire slot 10, then adjusts the control mechanism 9, moves the rear block 3 forward, and tightens the lead wire;

In the second step, the operator takes the insulating rod 2 part of the live working insulating locking rod with lead wires on the locking head body 1 and places it on the insulating platform;

The third step is to rotate the insulating rod 2 counterclockwise, so that the front block 5 moves forward, and the wire is inserted into the wire clamping groove 8;

The fourth step is to turn the insulating rod 2 clockwise, so that the front clamping block 5 moves backward, and the wire is tightly clamped in the wire clamping groove 8;

The fifth step is to fix the wires and leads with parallel groove clamps;

In the sixth step, the operator moves the rear clamping block 3 backward through the control mechanism 9, so that the lead wire is separated from the lead wire clamping groove 10, and then rotates the insulating rod 2 counterclockwise, so that the front clamping block 5 moves forward, and the wire is separated from the wire clamping groove 8, and the Lower live working insulation locking wire rod.

The method for removing the lead wire by using the above-mentioned live working insulated locking rod includes the following steps:

In the first step, the operator fixes the wire in the wire clamping groove 8 and the lead wire in the lead wire clamping groove 10 through the control mechanism 9 and rotating the insulating rod 2;

The second step is to remove the parallel groove clamp;

In the third step, the operator rotates the insulating rod 2 counterclockwise, so that the front block 5 moves forward, the wire is separated from the wire clamping groove 8, and the live working insulating locking rod with the lead wire is removed;

In the fourth step, the rear clamping block 3 is moved backward by the control mechanism 9, so that the lead wire is detached from the lead wire clamping groove 10, and the lead wire is removed.

The scope of protection of the present invention is not limited to the above-mentioned embodiments, as long as the structure is the same as that of the live working insulation lock wire rod of the present invention, it falls within the protection scope of the present invention.

Claims (5)

1. Insulated wire locking rod for live work, characterized in that: it includes a wire locking head body at the front and an insulating rod at the rear, an insulating rod hole is arranged behind the wire locking head body, and the insulating rod and the insulating rod hole Bearing connection, near the middle of the lock thread head body, a stopper with front and rear arc-shaped curved surfaces is provided, and a cylindrical slideway with a notch on the upper end is provided in front of the stopper, and a cylindrical slideway along the The front block of the cylindrical slideway moves forward and backward, the rear end surface of the upper part of the front block is an arc-shaped curved surface, and the rear end surface of the upper part of the front block and the front surface of the stop block form a wire clamping groove , the lower half of the front block has a first screw hole with internal threads, and the front end of the insulating rod is a screw inserted into the first screw hole; behind the stopper is provided a control mechanism to control its forward and backward movement The rear clamping block, the front end surface of the rear clamping block and the rear end surface of the stop block form a lead wire clamping groove. 2. The insulated wire locking rod for live work according to claim 1, characterized in that: the control mechanism includes a second screw hole with an internal thread arranged behind the wire locking head body and a second screw hole in the second screw hole The adjusting bolt is arranged inside, and the rear block is fixed on the top of the adjusting bolt. 3. The insulated wire locking lever for live working according to claim 1, characterized in that: a grip piece is provided under the wire locking head body. 4. The method for installing lead wires by using the live working insulated locking wire rod described in any one of claims 1-3, characterized in that: the method comprises the following steps: In the first step, the operator moves the rear block back through the control mechanism on the ground, puts the lead wire into the lead wire slot, and then adjusts the control mechanism to move the rear block forward to clamp the lead wire; In the second step, the operator takes the insulating rod part of the live working insulating locking rod with the lead wire on the locking head body to the insulating platform; The third step is to turn the insulating rod counterclockwise to make the front block move forward and put the wire into the wire slot; The fourth step is to turn the insulating rod clockwise so that the front block moves backward, and the wire is tightly clamped in the wire slot; The fifth step is to fix the wires and leads with parallel groove clamps; In the sixth step, the operator moves the rear block back through the control mechanism, so that the lead wire is out of the lead wire slot, and then turns the insulating rod counterclockwise, so that the front block moves forward, and the wire is out of the wire slot, and the insulating lock wire for live work is removed. pole. 5. The method for removing the lead wire by using the live working insulated locking wire rod described in any one of claims 1-3, characterized in that: the method comprises the following steps: In the first step, the operator fixes the wire in the wire clamping groove and the lead wire in the lead wire clamping groove through the control mechanism and rotating the insulating rod; The second step is to remove the parallel groove clamp; In the third step, the operator rotates the insulating rod counterclockwise, so that the front block moves forward, the wire breaks away from the wire slot, and the live working insulating locking rod with the lead wire is removed; In the fourth step, the rear clamping block is moved backward through the control mechanism, so that the lead wire is detached from the lead wire clamping groove, and the lead wire is removed.

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