CN206864977U - A kind of grounding wire device - Google Patents

Abstract

The utility model relates to a grounding wire device, which comprises a conductive end wire clamp, a radial angle adjustment mechanism, and an insulating operating rod. The insulating operating rod includes a plurality of insulating rods with different diameters. Each insulating rod is hollow inside and has a small diameter. One end of the insulating rod is inserted into the inside of the large-diameter insulating rod; a locking structure is provided between any two adjacent insulating rods, and the locking structure is used to lock and loosen the two insulating rods when they rotate relative to each other. open; the lower end of the conductive end clamp is connected to the radial angle adjustment mechanism, and the insulating rod with the smallest diameter among the insulating operating rods is connected to the radial angle adjustment mechanism. The radial angle adjustment mechanism is used to adjust the distance between the conductive end clamp and the insulating operating rod. angle between. The beneficial effects of the utility model are: simple operation, easy to carry, the operator can freely adjust the hanging angle of the conductive terminal clamp according to the actual situation, and at the same time, the insulating rod can be extended, effectively increasing the working radius.

Description

A ground wire device

technical field

The utility model relates to the technical field of electric equipment maintenance grounding wires, in particular to a grounding wire device.

Background technique

The grounding wire device is one of the necessary tools when performing power outage inspection and maintenance on electrical equipment. Most of the conductive terminal clamps of the existing grounding wire devices are fixed hook structures, which are mainly suitable for the situation where the on-site working environment is good, that is, the working space is large, and the operators can operate flexibly. When the grounding wire is hung on the bench-type distribution transformer, due to the limited operating space on site, the mounting of the grounding wire becomes time-consuming and laborious, and even the situation that it cannot be hooked to the wire or equipment occurs. In addition, the insulating operating rod in the existing grounding wire device is in the form of fixed connection, the length cannot be adjusted arbitrarily, and the working radius range is limited by it. For example, when working on a high-voltage and low-voltage distribution line erected on the same pole, the working radius is limited when the pole is connected to the ground wire to the medium-voltage line.

Utility model content

The technical problem to be solved by the utility model is to provide a grounding wire device to overcome the above-mentioned deficiencies in the prior art.

The technical scheme of the utility model for solving the above-mentioned technical problems is as follows: a grounding wire device, including a conductive end wire clamp, a radial angle adjustment mechanism, an insulating operating rod, and the insulating operating rod includes a plurality of insulating rods with different diameters, each insulating rod The interior is hollow, and one end of the small-diameter insulating rod is inserted into the inside of the large-diameter insulating rod; a locking structure is provided between any two adjacent insulating rods, and the locking structure is used for relative rotation of the two insulating rods. Lock and loosen the two; the lower end of the conductive end clamp is connected to the radial angle adjustment mechanism, and the insulating rod with the smallest diameter among the insulating operating rods is connected to the radial angle adjustment mechanism. The radial angle adjustment mechanism is used to adjust The angle between the conductive terminal clamp and the insulating operating rod.

The beneficial effects of the utility model are: simple operation, easy to carry, the operator can freely adjust the hanging angle of the conductive terminal clamp according to the actual situation, and at the same time can extend the insulating rod, effectively increasing the working radius and improving the operating efficiency by 80% , shorten the time of power outage and power transmission in the line and station area, provide reliable power supply for factories, high-power customers and ordinary users, improve the operation level, reduce waiting and rush operations, and ensure the safety of operators.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the number of insulating rods in the insulating operating rod is two, namely an upper insulating rod and a lower insulating rod, the outer diameter of the upper insulating rod is smaller than the outer diameter of the lower insulating rod, and the upper insulating rod is axially A first through hole is provided, the lower end of the upper insulating rod is inserted into the first through hole, and the diameter of the first through hole is greater than or equal to the outer diameter of the upper insulating rod.

Further, the locking structure includes a rib provided on the outer wall of the upper insulating rod and a card slot provided on the inner wall of the first through hole, the rib matches the card slot, and the card slot is arranged along the length direction of the first through hole , at least one end of the slot runs through one of the end faces of the lower insulating rod.

Further, the radial cross section of the slot is arc-shaped, and the radial cross-section of the protruding rib is arc-shaped.

Further, the two ends of the clamping slot penetrate through the two end faces of the lower insulating rod respectively.

The further beneficial effects of adopting the above are: simple structure, good stability, easy adjustment and low production cost.

Further, a ferrule is also included, the ferrule is arranged on the upper end of the lower insulating rod, and the ferrule is used to limit the detachment of the upper insulating rod from the lower insulating rod.

Further, the ferrule is cylindrical, the upper end face of the ferrule is provided with a first blind hole, the lower end face of the ferrule is provided with a second blind hole, the first blind hole communicates with the second blind hole, and the first blind hole The aperture of the second blind hole is greater than or equal to the outer diameter of the upper insulating rod, the aperture of the second blind hole is greater than or equal to the outer diameter of the lower insulating rod, the upper end of the lower insulating rod is inserted into the second blind hole, and the lower end of the upper insulating rod passes through the first blind hole at the same time. The blind hole and the second blind hole extend into the lower insulating rod.

The further beneficial effect of adopting the above is that it can effectively prevent the upper insulation rod and the lower insulation rod from falling off.

Further, the radial angle adjustment mechanism includes an upper connecting seat, a lower connecting seat, and a locking bolt. The upper end of the upper connecting seat is connected with the conductive end clamp, and the lower end of the upper connecting seat is movably connected with the lower connecting seat through the locking bolt. The lower insulated The upper end of the rod is connected with the lower connecting seat.

Further, the lower connecting seat includes a base, a left side plate, and a right side plate, the left side plate and the right side plate are arranged on the base in parallel, there is a gap between the left side plate and the right side plate, and the lower end of the upper connecting seat is inserted into the left In the gap formed between the side plate and the right side plate, the part inserted into the gap by the lower end of the upper connecting seat is fixed between the left side plate and the right side plate by locking bolts, and the locking bolts pass through the left side plate and the right side plate at the same time. Side panels, upper connection seat.

The further beneficial effects of adopting the above are: simple structure, good stability, and large adjustment range.

Description of drawings

Fig. 1 is the structural representation of ground wire device described in the utility model;

Figure 2 is a partial enlarged view of the radial angle adjustment mechanism;

Fig. 3 is the sectional view of Fig. 2;

Figure 4 is a partial enlarged view of the locking structure;

Fig. 5 is a sectional view of Fig. 4;

Fig. 6 is a schematic structural diagram of the ferrule.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Conductive terminal clamp, 2. Radial angle adjustment mechanism, 210, upper connection seat, 220, lower connection seat, 221, base, 222, left side plate, 223, right side plate, 230, locking bolt, 3, Insulation operating rod, 310, upper insulation rod, 320, lower insulation rod, 321, first through hole, 4, locking structure, 410, rib, 420, card slot, 5, ferrule, 510, first blind hole , 520, the second blind hole.

detailed description

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, and Fig. 6, a grounding wire device includes a conductive end wire clamp 1, a radial angle adjustment mechanism 2, and an insulating operating rod 3.

The insulating operating rod 3 includes a plurality of insulating rods with different diameters, each insulating rod is hollow inside, and one end of the insulating rod with a small diameter is inserted into the inside of the insulating rod with a large diameter, and any two adjacent insulating rods are provided with The locking structure 4 is used to lock and release the two insulating rods when they rotate relative to each other. The specific number of insulating rods can be two, three, four, five, etc. In this embodiment, two insulating rods are used as an example for illustration, and the two insulating rods are respectively recorded as upper insulating rod 310 and lower insulating rod 320 .

Wherein, the outer diameter of the upper insulating rod 310 is smaller than the outer diameter of the lower insulating rod 320, the lower insulating rod 320 is provided with a first through hole 321 along the axial direction of the lower insulating rod 320, and the lower end of the upper insulating rod 310 is inserted into the first through hole 320. In the through hole 321 , the diameter of the first through hole 321 is greater than or equal to the outer diameter of the upper insulating rod 310 , and the diameter of the first through hole 321 is preferably about 2 mm larger than the outer diameter of the upper insulating rod 310 .

The locking structure 4 includes a rib 410 arranged on the outer wall of the upper insulating rod 310 and a locking groove 420 arranged on the inner wall of the first through hole 321 . When inside the through hole 321 , the convex rib 410 matches the locking groove 420 . The card slot 420 is preferably arranged along the length direction of the first through hole 321 when laying, and at least one end of the card slot 420 penetrates one end surface of the lower insulating rod 320 , when only one end of the card slot 420 penetrates the lower insulating rod 320 For one end face, the clamping groove 420 preferably runs through the lower end face of the lower insulating rod 320 . In this embodiment, considering the production cost, the two ends of the slot 420 respectively penetrate the upper end surface of the lower insulating rod 320 and the lower end surface of the lower insulating rod 320 , that is, the slot 420 is as long as the first through hole 321 .

The radial cross-sectional shape of the slot 420 can be square, hemispherical or arc-shaped, preferably arc-shaped, and the radial cross-sectional shape of the rib 410 can also be correspondingly square, hemispherical or arc-shaped, preferably arc-shaped shape. The connection between the slot 420 and the first through hole 321 is streamlined, that is, there are no edges and corners, and the connection between the rib 410 and the outer wall of the upper insulating rod 310 is a streamlined transition, that is, there are no edges and corners. The length of the rib 410 is 1.8 times of the diameter of the upper insulating rod 310, the maximum width of the rib 410 is equal to 0.6 times of the diameter of the upper insulating rod 310, and the maximum height of the rib 410 is equal to 0.2 times of the diameter of the upper insulating rod 310, which can ensure The locking structure 4 perfectly connects the upper insulating rod 310 and the lower insulating rod 320 together, and has the best stability.

Since the two ends of the draw-in groove 420 run through the upper end surface of the lower insulating rod 320 and the lower end surface of the lower insulating rod 320 respectively, the grounding wire device also includes a ferrule 5, which is arranged on the upper end of the lower insulating rod 320, and the ferrule 5 is used for To limit the separation of the upper insulating rod 310 from the lower insulating rod 320 . The ferrule 5 is made of insulating plastic.

The ferrule 5 is cylindrical, the upper end surface of the ferrule 5 is provided with a first blind hole 510, the lower end face of the ferrule 5 is provided with a second blind hole 520, and the first blind hole 510 communicates with the second blind hole 520 , the diameter of the first blind hole 510 is greater than or equal to the outer diameter of the upper insulating rod 310, and the diameter of the first blind hole 510 is preferably about 2.4 mm larger than the outer diameter of the upper insulating rod 310. The diameter of the second blind hole 520 is greater than or equal to the outer diameter of the lower insulating rod 320 , the upper end of the lower insulating rod 320 is inserted into the second blind hole 520 , and the ferrule 5 and the lower insulating rod 320 are connected together by screws. The lower end of the upper insulating rod 310 passes through the first blind hole 510 and the second blind hole 520 at the same time, and then extends into the lower insulating rod 320 .

The lower end of the conductive terminal clamp 1 is connected to the radial angle adjustment mechanism 2, and the upper end of the upper insulating rod 310 is connected to the radial angle adjustment mechanism 2. The radial angle adjustment mechanism 2 is used to adjust the conductive terminal clamp 1 and the insulating operating rod 3 angle between.

Among them, the radial angle adjustment mechanism 2 includes an upper connecting seat 210, a lower connecting seat 220, and a locking bolt 230. The upper end of the upper connecting seat 210 is connected with the conductive terminal clamp 1 by screws, and the lower end of the upper connecting seat 210 is connected by a locking bolt. 230 is movably connected with the lower connecting seat 220, and the upper end of the lower insulating rod 320 is connected with the lower connecting seat 220 by screws.

The lower connecting seat 220 comprises a base 221, a left side plate 222, and a right side plate 223, and the left side plate 222 and the right side plate 223 are arranged on the base 221 in parallel, there is a gap between the left side plate 222 and the right side plate 223, and the upper connection The lower end of the seat 210 is inserted into the gap formed between the left side plate 222 and the right side plate 223, and the part of the lower end of the upper connecting seat 210 inserted into the gap is fixed on the left side plate 222 and the right side plate by locking bolts 230. 223, the locking bolt 230 passes through the left side plate 222, the right side plate 223, and the upper connecting seat 210 at the same time, the locking bolt 230 is threaded with the left side plate 222, and the locking bolt 230 is threaded with the right side plate 223. When the locking bolt 230 is tightened, the left side plate 222 and the right side plate 223 can clamp the upper connecting seat 210 .

When it is necessary to adjust the overall length of the insulating operating rod 3, hold the lower insulating rod 320, turn the upper insulating rod 310 clockwise or counterclockwise, so that the rib 410 is completely out of the slot 420, so that the rib 410 will be tightly against The inner wall of the first through hole 321 makes the upper insulating rod 310 and the lower insulating rod 320 locked. When it is necessary to adjust the overall length of the insulating operating rod 3 again, turn the upper insulating rod 310 clockwise or counterclockwise so that the rib 410 is completely After entering the card slot 420, the overall length of the insulating operating rod 3 can be adjusted arbitrarily. When the length needs to be locked, hold the lower insulating rod 320 tightly, and turn the upper insulating rod 310 clockwise or counterclockwise, so that the convex rib 410 is completely Just get out of the card slot 420 .

When it is necessary to adjust the hanging angle of the conductive terminal clamp 1, turn the locking bolt 230 so that the left side plate 222 and the right side plate 223 do not clamp the upper connecting seat 210, then turn the upper connecting seat 210, and the upper connecting seat 210 is wound around The locking bolt 230 is rotated, and when the upper connecting seat 210 is adjusted to a corresponding angle, the locking bolt 230 is tightened again to complete the adjustment of the suspension angle of the conductive terminal clamp 1 .

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (9)

1. A grounding wire device, characterized in that it comprises a conductive terminal clamp (1), a radial angle adjustment mechanism (2), an insulating operating rod (3), and the insulating operating rod (3) includes a plurality of wires with different diameters Each insulation rod is hollow inside, and one end of the insulation rod with a small diameter is inserted into the inside of the insulation rod with a large diameter; a locking structure (4) is provided between any two adjacent insulation rods, and the lock The stop structure (4) is used to lock and release the two insulating rods when they rotate relative to each other; the lower end of the conductive terminal clamp (1) is connected with the radial angle adjustment mechanism (2), and the The insulating rod with the smallest diameter among the insulating operating rods (3) is connected to the radial angle adjustment mechanism (2), and the radial angle adjusting mechanism (2) is used to adjust the conductive terminal clamp (1) and the insulating operating rod (3) angle between. 2. A kind of grounding wire device according to claim 1, characterized in that, the number of insulating rods in the insulating operating rod (3) is two, which are respectively an upper insulating rod (310) and a lower insulating rod ( 320), the outer diameter of the upper insulating rod (310) is smaller than the outer diameter of the lower insulating rod (320), and the lower insulating rod (320) is provided with a first A through hole (321), the lower end of the upper insulating rod (310) is inserted into the first through hole (321), and the diameter of the first through hole (321) is greater than or equal to that of the upper insulating rod (310). outside diameter. 3. A ground wire device according to claim 2, characterized in that, the locking structure (4) comprises a rib (410) arranged on the outer wall of the upper insulating rod (310) and a rib (410) arranged on the first The card slot (420) on the inner wall of the through hole (321), the rib (410) matches the card slot (420), and the card slot (420) is along the length of the first through hole (321) Arranged in the same direction, at least one end of the clamping slot (420) runs through one end surface of the lower insulating rod (320). 4. A grounding wire device according to claim 3, characterized in that, the radial cross-sectional shape of the locking groove (420) is arc-shaped, and the radial cross-sectional shape of the rib (410) is arc-shaped . 5 . The ground wire device according to claim 3 , characterized in that, two ends of the clamping groove ( 420 ) respectively penetrate through two end surfaces of the lower insulating rod ( 320 ). 5 . 6. A grounding wire device according to claim 4, characterized in that it further comprises a ferrule (5), the ferrule (5) is arranged on the upper end of the lower insulating rod (320), the ferrule The sleeve (5) is used to limit the separation of the upper insulating rod (310) from the lower insulating rod (320). 7. A ground wire device according to claim 6, characterized in that, the ferrule (5) is cylindrical, and a first blind hole (510) is provided on the upper end surface of the ferrule (5) , the lower end surface of the ferrule (5) is provided with a second blind hole (520), the first blind hole (510) communicates with the second blind hole (520), and the first blind hole The aperture of (510) is greater than or equal to the outer diameter of the upper insulating rod (310), the aperture of the second blind hole (520) is greater than or equal to the outer diameter of the lower insulating rod (320), and the upper end of the lower insulating rod (320) Socketed in the second blind hole (520), the lower end of the upper insulating rod (310) passes through the first blind hole (510) and the second blind hole (520) at the same time, and then extends into the lower insulating rod (320) Inside. 8. A ground wire device according to claim 2, characterized in that the radial angle adjustment mechanism (2) comprises an upper connecting seat (210), a lower connecting seat (220), a locking bolt (230) , the upper end of the upper connecting seat (210) is connected to the conductive terminal clamp (1), the lower end of the upper connecting seat (210) is movably connected with the lower connecting seat (220) through a locking bolt (230), and the The upper end of the lower insulating rod (320) is connected with the lower connecting seat (220). 9. A ground wire device according to claim 8, characterized in that, the lower connecting seat (220) comprises a base (221), a left side plate (222), a right side plate (223), and the left The side plate (222) and the right side plate (223) are arranged on the base (221) in parallel, there is a gap between the left side plate (222) and the right side plate (223), and the upper connecting seat (210 ) is inserted into the gap formed between the left side plate (222) and the right side plate (223), and the lower end of the upper connecting seat (210) inserted into the gap is passed through the locking bolt (230) is fixed between the left side plate (222) and the right side plate (223), and the locking bolt (230) passes through the left side plate (222), the right side plate (223), the upper connecting seat (210) ).