CN104201490B - High-tension line throws hanging earthing clamp - Google Patents

Abstract

The invention provides a throwing-type ground clamp for high-voltage lines, which includes a main splint and an auxiliary splint. The main splint is provided with a grounding wire interface. There is a movable splint clamp between the main splint and the auxiliary splint, a torsion spring is arranged between the main splint and the auxiliary splint, a positioning groove is arranged on the main splint, a slot is arranged on the auxiliary splint, and a spring pressure plate is arranged on the outside of the slot , the spring pressing plate is connected with an insulating rope, the main splint is provided with a hook, and the insulating rope is provided with a hook pull ring, and the length of the insulating rope between the ring hook and the spring pressing plate is greater than the connection between the spring pressing plate and the insulating rope. The distance between hooks. The present invention can use its own structure to clamp and loosen high-voltage lines by itself, and can be applied to various high-voltage lines. The operation is simple, safe and reliable, and reduces the climbing burden of construction personnel, improves the working efficiency of high-voltage line construction, and increases the The safety of line grounding work.

Description

High voltage line hanging type grounding clamp

technical field

The present invention relates to electrical equipment, in particular to insulating ground clamps.

Background technique

The grounding clamp is mainly used for grounding, discharging or electrical inspection of 35KV insulated overhead cables. At present, the placement of the grounding wire clamp is mainly carried by the construction personnel to the high-voltage tower, and released through the insulating operating rod. After the operation is completed, it is manually removed through the insulating operating rod. There is a certain degree of danger, and when the high-voltage line construction personnel need to carry materials and related tools (such as insulating operating rods) to climb to the height of the high-voltage tower that is not far from the high-voltage line that needs to be operated, due to the material And related tools are relatively heavy, and the insulating operating rod also has a certain length, which increases the difficulty and risk factor for climbing work.

Contents of the invention

The technical problem to be solved by the present invention is to provide a throwing-type grounding clamp for high-voltage lines, which does not require an insulating operating rod, adopts throwing-type clamping and recovery during the release process, has a wide range of applications, is easy to operate, and is safe and reliable.

The technical solution adopted by the present invention to solve the technical problem is: a high-voltage line hanging type grounding clamp, including a main splint and an auxiliary splint, the main splint and the auxiliary splint are rotatably connected, and the main splint is provided with a grounding wire interface. The main splint and the auxiliary splint are provided with grooves that cooperate with each other and are adapted to the shape of the high-voltage line. A movable splint is provided between the main splint and the auxiliary splint, and the movable splint is located on the The edge of the groove, the main splint and the secondary splint are provided with a torsion spring, the main splint is provided with a positioning groove for the torsion spring, and the secondary splint is provided with a slot for the torsion spring. The outer side of the slot is provided with a rotatable spring pressing plate, the spring pressing plate is connected with an insulating rope, the main splint is provided with a hook, the insulating rope is provided with a hook pull ring, and the pulling ring hook is connected with the spring pressing plate The length of the insulating rope between them is greater than the distance between the connection of the spring pressing plate and the insulating rope to the hook.

While adopting the above-mentioned technical solution, the present invention can also adopt or adopt the following further technical solutions in combination:

One end of the movable splint is rotatably connected to the auxiliary splint, and the other end is provided with a clip slot, and the main splint is provided with a clip hole matched with the clip slot.

Both the main splint and the auxiliary splint are provided with connecting pieces, the connecting pieces are rotatably connected by bolts, and the torsion springs are sheathed on the bolts between the connecting pieces.

One side of the auxiliary splint is provided with a spring buckle, and the spring buckle is provided with a buckle groove for positioning the spring pressing plate.

The main splint and the secondary splint are made of metal materials.

The insulating rope is made of nylon rope with a diameter not less than 3mm.

The beneficial effects of the present invention are: adopting the throwing-type grounding clamp of the present invention, high-voltage line construction personnel do not need to carry additional operating tools such as insulating operating rods when releasing the grounding clamp, and only need to carry the grounding clamp itself, climbing Climb to an appropriate height, hook the hook pull ring on the insulating rope on the hook to ensure that the position of the spring pressing plate remains unchanged, grasp the insulating rope, align the grounding wire clip of the present invention with the high-voltage line and pull it upward, and the spring presses the high-voltage line Press to the movable splint, so that the movable splint loosens the main and auxiliary splints. Under the action of the torsion spring, the main and auxiliary splints clamp the high-voltage line to achieve the purpose of construction. When the construction needs to be removed, pull the insulating rope to make it The hook pull ring on the hook breaks away from the pull ring, and the insulating rope is pulled hard, the spring pressure plate is pulled out from the spring buckle, and the torsion spring is released, the main and secondary splints can rotate freely relative to each other, thereby releasing the high-voltage line and removing it. Grounding wire clip, the hanging type grounding wire clip of the present invention does not need other auxiliary tools, can use its own structure to clamp and release high-voltage lines by itself, and can be applied to various high-voltage lines, which solves the cumbersome process of hanging the grounding wire in the past. The grounding clamp has problems such as poor versatility and small application range, and is simple, safe and reliable to operate, which reduces the climbing burden of construction personnel, improves the work efficiency of high-voltage line construction, and increases the safety of high-voltage line grounding work.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the grounding clamp of the present invention.

FIG. 2 is a cross-sectional view of FIG. 1 .

Fig. 3 is a schematic diagram of the grounding clamp of the present invention in a clamped state.

Fig. 4 is a schematic diagram of the ground wire clip of the present invention in a state where the spring pressure plate is released.

Figure 5 is a schematic diagram of the main splint.

Figure 6 is a schematic diagram of the auxiliary splint.

Labels in the figure: 1-main splint, 2-secondary splint, 3-connecting piece, 4-M5 bolt, 5-ground wire interface, 6-groove, 7-movable splint card, 8-card slot, 9-card hole , 10-torsion spring, 11-location slot, 12-slot, 13-spring pressure plate, 14-spring buckle, 15-buckle slot, 16-insulation rope, 17-hook, 18-hook pull ring.

detailed description

Refer to attached picture.

The high-voltage line hanging type grounding clamp of the present invention includes a main splint 1 and an auxiliary splint 2, the main splint 1 and the auxiliary splint 2 are provided with a connecting piece 3, and the connecting piece 3 is provided with an opening, and an M5 bolt 4 passes through it. The opening on the connecting piece 3 connects the main splint 1 and the auxiliary splint 2 together, and the main splint 1 and the auxiliary splint 2 can rotate relatively, thereby clamping or releasing the high-voltage line. The main splint 1 is provided with a grounding wire interface 5 for connecting the grounding wire. In order to ensure a certain connection strength and firmness, the main splint 1 and the auxiliary splint 2 are both made of metal materials.

The main splint 1 and the auxiliary splint 2 are provided with grooves 6 that cooperate with each other and are adapted to the shape of the high-voltage line. When the main splint 1 and the auxiliary splint 2 are closed, the groove 6 can hold the high-voltage line. Between the main splint 1 and the auxiliary splint 2, a movable splint card 7 for positioning the main splint 1 and the auxiliary splint 2 is provided. One end of the movable splint card 7 is rotatably connected to the auxiliary splint 2 through an M4 screw 19, and the other end is provided There is a card slot 8, and the main splint 1 is provided with a card hole 9 that matches the card slot 8. When the card slot 8 of the movable splint card 7 clamps the inner wall of the card hole 9, the positions of the main splint 1 and the auxiliary splint 2 are relatively fixed. , unable to rotate, when the card slot 8 of the movable splint card 7 loosens the card hole 9, the main splint 1 and the auxiliary splint 2 can rotate relatively, and the movable splint card 7 is located at the bottom edge of the groove 6, so that when the high-voltage line is located in the concave When in the groove 6, just can hold against movable splint card 7 and push it outwards, make the draw-in groove 8 of movable splint card 7 loosen card hole 9.

A torsion spring 10 is provided between the main splint 1 and the auxiliary splint 2, and the torsion spring 10 is sleeved on the M5 bolt 4 between the connecting pieces of the main splint 1 and the auxiliary splint 2, and the inner side of the main splint 1 is provided with a torsion spring 10 Locating groove 11, one end of torsion spring 10 is against in locating groove 11, the slot 12 of torsion spring 10 is provided on the auxiliary splint 2, and the outside of slot 12 is provided with rotatable spring pressure plate 13, one side of auxiliary splint 2 A spring buckle 14 is provided, and the spring buckle 14 is provided with a buckle groove 15 for positioning the spring pressure plate 13. When the spring pressure plate 13 is located in the buckle groove 15, the other end of the torsion spring 10 passes through the slot 12 and is against the spring pressure plate 13. When the spring pressing plate 13 rotates to not block the slot 12, the torsion spring 10 is released, and the main and secondary splints are no longer subjected to the elastic force of the torsion spring 10. The spring pressing plate 13 is connected with an insulating rope 16. Pulling the insulating rope 16 can make the spring pressing plate 13 withdraw from the buckle groove 15, so that the torsion spring 10 is no longer blocked, and the main and auxiliary splints are released. The main splint 1 is provided with a hook 17 and an insulating rope 16. Be provided with hook pull ring 18, the length of the insulating rope 16 between the pull ring hook 18 and the spring pressure plate 13 is greater than the distance between the junction of the spring pressure plate 13 and the insulation rope 16 to the hook 17, so as to ensure that when the hook pull ring 18 When the hook 17 is hooked, no matter how much the insulating rope 16 is pulled, the spring pressure plate 13 cannot escape from the buckle groove 15. In order to ensure the firmness and safety of the insulating rope 16, it is usually made of nylon rope with a diameter of not less than 3MM. .

During use, the card groove 8 of the movable splint card 7 blocks the inner wall of the card hole 9, the movable splint card 7 is in a state of relatively fixing the main and auxiliary splints, the main and auxiliary splints will not rotate relatively, and the grounding wire is connected to the grounding wire interface 5 , hang the hook pull ring 18 on the hook 17, so that the insulating rope 16 between the hook pull ring 18 and the spring pressure plate 13 remains loose, and the spring pressure plate 13 will not be pulled, and the high-voltage line construction personnel climb to the high-voltage tower Not far from the top of the high-voltage line, hold the end of the insulating rope 16, put the grounding wire clamp down to the groove of the main and auxiliary splints to align with the high-voltage line, lift it upwards, and the high-voltage line presses down on the movable splint card 7 and slot 8 Loosen from the clamping hole 9, the main and auxiliary splints rotate under the action of the torsion spring 10 and firmly clamp the high-voltage line. At this time, the construction operation can be carried out. After the construction operation is completed, loosen the insulating rope 16 and pull the hook pull ring 18 from the Loosen in the hook 17, lift the insulating rope 16 upwards firmly, at this moment, the spring pressing plate 13 is pulled upwards, and deviates from the buckle groove 15, and the pressed end of the torsion spring 10 is released, and one end of the torsion spring 10 can be released from the auxiliary splint 2 free entry and exit in the slot 12, no elastic force will be generated between the main and auxiliary splints, so the main and auxiliary splints can rotate relatively freely, thereby loosening the high-voltage line. At this time, pull up the insulating rope 16 to retract the grounding clamp Can.

Claims (4)

1. null1. high-tension line throws hanging earthing clamp，Including bottom plate and auxiliary splint，Described bottom plate and auxiliary splint are rotatably connected，It is characterized in that: described bottom plate is provided with earth connection interface，Described bottom plate and described auxiliary splint are provided with and cooperate and the groove suitable with high-tension line shape，Ambulatory splint card it is provided with between described bottom plate and described auxiliary splint，Described ambulatory splint is positioned in the edge of described groove，It is provided with torsion spring between described bottom plate and described auxiliary splint，Described bottom plate is provided with the locating slot of torsion spring，Described auxiliary splint is provided with the fluting of torsion spring，The outside of described fluting is provided with rotating spring bearer plate，Connect on described spring bearer plate and have insulating cord，Described bottom plate is provided with hook，Described insulating cord is provided with hook draw ring，The length of the insulating cord between described hook draw ring and spring bearer plate more than the junction of described spring bearer plate and insulating cord to the distance between described hook；

   One end of described ambulatory splint card is rotatably connected on described auxiliary splint, and the other end is provided with draw-in groove, and described bottom plate is provided with and the hole clipping of described card slot fit；

   Being equipped with connection sheet on described bottom plate and auxiliary splint, described connection sheet is rotatably connected by bolt, and described torsion spring set is located on the bolt between described connection sheet.
2. 2. high-tension line as claimed in claim 1 throws hanging earthing clamp, it is characterised in that: the side of described auxiliary splint is provided with snak link, and described snak link is provided with the catching groove for positioning described spring bearer plate.
3. 3. high-tension line as claimed in claim 1 throws hanging earthing clamp, it is characterised in that: described bottom plate and auxiliary splint use metal material to make.
4. 4. high-tension line as claimed in claim 1 throws hanging earthing clamp, it is characterised in that: described insulating cord uses the diameter nylon rope not less than 3mm to make.