CN104979652A - Direction-changeable short circuit grounding wire clamp and grounding method - Google Patents

Abstract

A variable direction short-circuit grounding wire clip and a grounding method of the present invention include a ground wire clip, a movable connector, an A-side fixing plate, and a B-side fixing plate, and the A-side fixing plate and the B-side fixing plate are vertically fixed on On one side of the ground clip, the movable connector is hinged between the fixed plate on side A and the fixed plate on side B. On the fixed plate on side A, there is an arc-shaped slideway hole with the hinge point as the center of the circle. On the arc-shaped slideway The outer side of the hole is provided with a number of joint fixing slots. The joint fixing cards on the movable connector drive the movable connector to move along the slideway hole. The angle between the clips is fixed. Because the angle between the ground wire clamp and the insulating rod of the present invention is adjustable, the ground wire clamp can approach the wire from multiple different directions and angles, and clamp the wire with the most suitable angle, which can be used for All kinds of use environments that need to hang short-circuit grounding wires.

Description

A variable direction short-circuit grounding wire clip and grounding method

technical field

The invention relates to a construction method for high-altitude operation of a power system, in particular to a variable-direction short-circuit grounding wire clamp and a grounding method.

Background technique

Grounding wires are widely used in power systems. At present, portable short-circuiting grounding wires are widely used in power systems. The structure of portable short-circuiting grounding wires in the prior art is that the grounding wire clamps and insulating rods are arranged in parallel, and are used when the wires are grounded. Connect the insulating rod to the conductor terminal clamp of the grounding wire, send the grounding wire clamp vertically upward to a position higher than the point to be grounded, and clamp the grounding wire clamp from top to bottom to the wire. The portable short-circuit grounding wire of this structure is more suitable for the situation where the wire position is relatively open and the installation direction is vertically upward from the bottom. However, there are many types of substation equipment nowadays, and the environment for using short-circuit grounding wires is complex. When the grounding wire clamp cannot be vertically sent to the high-altitude installation position, the traditional portable short-circuiting grounding wire is not only time-consuming and laborious to install, but also easily installed. , The situation that the short-circuit grounding wire falls off occurs, leaving hidden dangers for safe production.

Contents of the invention

The purpose of the present invention is to provide a variable-direction short-circuit grounding wire clamp and grounding method. Since the angle between the grounding wire clamp and the insulating rod is adjustable, the grounding wire clamp can be used in many different directions and from multiple different angles. It is close to the wire and clamped with the wire at the most suitable angle to make up for the disadvantages of the original ground wire being clamped at a high place when the wire installation position is limited and cannot be clamped with the wire from a suitable angle, making the grounding of the wire more convenient and safe .

To achieve the above object, the present invention adopts the following technical solutions:

A variable-direction short-circuit ground wire clamp, comprising a ground wire clamp, a movable connector, an A-side fixed plate, and a B-side fixed plate, wherein the A-side fixed plate and the B-side fixed plate are vertically fixed on one side of the ground wire clamp. side, the movable joint is hinged between the A-side fixed plate and the B-side fixed plate, and an arc-shaped slideway hole with the hinge point as the center is arranged on the A-side fixed plate, and an arc-shaped slideway hole is arranged on the outside of the arc-shaped slideway hole Several connector fixing slots, the connector fixing card on the movable connector drives the movable connector to move along the slideway hole, when the connector fixing card is inserted into the connector fixing slot, the movable connector and the ground clip The angle is fixed.

The movable connector includes a connector main body, a connector fixing card, and a spring. The journal of the connector fixing card passes through the arc-shaped slideway hole and is arranged in the through hole on the connector main body. In the main body of the connector, the clip A at the other end is embedded in the connector fixing slot, and the spring is sleeved on the journal of the connector fixing card.

The joint fixing card includes a chuck A, a chuck B, and a journal, and the chuck A and the chuck B are respectively fixed at two ends of the journal.

A grounding method using a variable direction short-circuit grounding wire clip, comprising the following steps:

1) Determine the location and angle of the ground wire clamp and the wire socket according to the position of the ground wire to be grounded on site;

2) Fixedly connect the movable joint with the insulating rod;

3) Pull out the clamp head A of the joint fixing card from the joint fixing slot, pull the ground wire clamp to make the ground wire clamp rotate around the hinge point, and when the ground wire clamp is adjusted to a suitable angle, loosen the joint fixing card The clamping head A is embedded in the joint fixing groove at the opposite position, and the angle of the ground wire clamp is fixed;

4) Use the insulating rod to send the ground wire clamp into the sky, so that the ground wire clamp clamps the wire to complete the grounding work.

Compared with prior art, the beneficial effect of the present invention is:

A variable-direction short-circuit grounding wire clamp and grounding method, because the angle between the grounding wire clamp and the insulating rod is adjustable, so the grounding wire clamp can approach the wire from multiple different directions and angles, and the Clamping the wires at a suitable angle can make up for the disadvantage that the original grounding wire clamp cannot be clamped with the wires from a suitable angle when the installation position of the wires at a high place is limited. It can be used in various environments where short-circuited grounding wires need to be suspended. The utility model has the characteristics of simple structure, reasonable design, flexible use and strong practicability, and is favorable for popularization.

Description of drawings

Fig. 1 is a schematic structural view of a variable direction short-circuit ground wire clip of the present invention;

Fig. 2 is the back view of Fig. 1;

Fig. 3 is the A-A direction view of Fig. 1;

In the figure: 1. Ground clip 2. Movable connector 3. Connector fixing card 4. Connector fixing card slot 5. Connector shaft 6. Arc-shaped slideway hole 7. Grounding wire 8. A side fixing plate 9.B Side fixing plate 10. Spring 11. Height A 12. Height B 13. Movable connector through hole.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the present invention is not limited to the following embodiments.

As shown in Figures 1-3, a variable direction short-circuit ground wire clamp includes a ground wire clamp 1, a movable connector 2, an A-side fixed plate 8, and a B-side fixed plate 9, and the A-side fixed plate 8 and B-side fixed plate 9 are vertically fixed on one side of the ground clamp 1, and the movable connector 2 is hinged between the A-side fixed plate 8 and the B-side fixed plate 9, and the A-side fixed plate 8 is provided with a hinge The arc-shaped slideway hole 6 whose point is the center of the circle is provided with several joint fixing slots 4 on the outside of the arc-shaped slideway hole 6, and the joint fixing card 3 on the movable connector 2 drives the movable connector 2 along the arc. The slideway hole 6 moves, and when the joint fixing card 3 is embedded in the joint fixing slot 4, the angle between the movable connector 2 and the ground clamp 1 is fixed.

A ground wire 7 is fixed at the closed end of the ground wire clamp 1 .

The movable joint 2 is hinged to the A-side fixed plate 8 and the B-side fixed plate 9 through the joint rotating shaft 5 .

The arc-shaped slideway hole 6 can be set as a 1/4 circular arc, and a joint fixing slot 4 is provided every 30° of the circumferential angle, and the number of the slots that can be set is 4. When the first slot or the last slot is used to position the ground wire clamp 1, the geometric relationship between the ground wire clamp 1 and the movable connector 2 (that is, the insulating rod) is parallel and vertical respectively.

As shown in Fig. 3, the movable connector 2 includes a connector body, a connector fixing card 3, and a spring 10. The journal 3-2 of the connector fixing card 3 passes through the arc-shaped slideway hole 6 and is arranged on the connector body. In the hole 13, one end of the clamping head B3-3 of the joint fixing card 3 is embedded in the main body of the connecting head, the other end of the clamping head A3-1 is embedded in the joint fixing slot 4, and the spring 10 is sleeved on the journal 3 of the joint fixing card -2 on. Under the elastic force of the spring, the clip A3-1 is tightly stuck in the connector fixing slot 4, at this time, the height B12 of the clip B3-3 from the end surface of the main body of the connector is higher than the height A11 of the groove wall of the connector fixing slot 4 To be slightly higher. the

The joint fixing card includes a chuck A3-1, a chuck B3-3, and a journal 3-3, and the chuck A3-1 and the chuck B3-3 are respectively fixed at both ends of the journal 3-3. The chuck A3-1, the chuck B3-3, and the journal 3-3 can be connected by threads.

A grounding method using a variable direction short-circuit grounding wire clip, comprising the following steps:

1) Determine the position and angle of the ground wire clip 1 and the wire socket according to the position of the ground wire to be grounded on site;

2) Fixedly connect the movable joint 2 with the insulating rod;

3) Pull out the clamp head A3-1 of the joint fixing card 3 from the joint fixing slot 4, and pull the ground wire clamp 1 to make the ground wire clamp 1 rotate around the hinge point, and adjust the ground wire clamp 1 to a suitable angle , loosen the clamp head A3-1 of the joint fixing card to embed it in the joint fixing slot 4 at the opposite position, and fix the angle of the ground wire clamp 1;

4) Use the insulating rod to send the ground wire clamp 1 into the high altitude, so that the ground wire clamp 1 clamps the wire to complete the grounding work.

The above is only the basic principle of the present invention, and does not impose any restrictions on this patent. All equivalent changes and modifications made according to this patent are within the scope of this patent's technical protection scheme.

Claims (4)

1. A variable direction short-circuit ground wire clamp, characterized in that: it includes a ground wire clamp, a movable connector, an A-side fixed plate, and a B-side fixed plate, and the A-side fixed plate and the B-side fixed plate are vertically fixed On one side of the ground clamp, the movable connector is hinged between the fixed plate on side A and the fixed plate on side B. On the fixed plate on side A, there is an arc-shaped slideway hole with the hinge point as the center of the circle. The outer side of the channel hole is provided with a number of joint fixing slots. The joint fixing cards on the movable connector drive the movable connector to move along the slideway hole. When the joint fixing cards are inserted into the joint fixing slots, the movable connector and the The angle between the ground clips is fixed. 2. A reversible short-circuit ground wire clip according to claim 1, characterized in that: the movable connector includes a connector body, a connector fixing card, and a spring, and the journal of the connector fixing card passes through the arc The slideway hole is set in the through hole on the main body of the connector. One end of the joint fixing card, the clamp B is embedded in the connector main body, the other end of the clamp A is embedded in the joint fixing slot, and the spring is sleeved on the joint fixing card. on the journal. 3. A variable-direction short-circuit ground wire clip according to claim 2, characterized in that: said joint fixing card includes clamp A, clamp B, and journal, and clamp A and clamp B are respectively fixed at both ends of the journal. 4. A grounding method adopting the variable direction short-circuit grounding wire clip as claimed in claim 1, characterized in that, comprising the following steps: 1) Determine the location and angle of the ground wire clamp and the wire socket according to the position of the ground wire to be grounded on site; 2) Fixedly connect the movable joint with the insulating rod; 3) Pull out the clamp head A of the joint fixing card from the joint fixing slot, pull the ground wire clamp to make the ground wire clamp rotate around the hinge point, and when the ground wire clamp is adjusted to a suitable angle, loosen the joint fixing card The clamping head A is embedded in the joint fixing groove at the opposite position, and the angle of the ground wire clamp is fixed; 4) Use the insulating rod to send the ground wire clamp into the sky, so that the ground wire clamp clamps the wire to complete the grounding work.