Portable grounding wire

Abstract

The utility model discloses a portable grounding wire, which belongs to the technical field of power system safety equipment and comprises an insulating rod, a wire clamp is arranged at the top of the insulating rod, and one side of the wire clamp is connected with a grounding terminal through the grounding wire. The insulating rod comprises an outer pipe and an inner pipe, the lower end of the inner pipe is inserted into the outer pipe, a plurality of positioning holes are formed in the inner pipe, and the positioning pieces are arranged in the positioning holes to limit the inner pipe. The insulating rod comprises the outer pipe and the inner pipe, and when the insulating rod is not used, the inner pipe is inserted into the outer pipe, so that the overall length of the insulating rod is reduced, and the insulating rod is convenient to carry; when in use, the inner pipe is pulled out, and the positioning piece is mounted in the positioning hole to limit the inner pipe, so that the overall length of the inner pipe and the outer pipe is increased, and the use is convenient; by improving the structure of the insulating rod, the length of the insulating rod can be freely adjusted, and the insulating rod is convenient to carry and use.

Description

Technical Field

[0001] The utility model relates to the technical field of safety equipment for power systems, and particularly relates to a portable grounding wire. Background Art

[0002] The grounding wire is a commonly used safety tool in the maintenance of power equipment. The grounding wire consists of components such as a short-circuit element (wire terminal clamp and multi-strand flexible copper wire), an insulating element (grounding operating rod), and a grounding element (ground terminal clamp and temporary grounding electrode). The existing operating rod of the grounding wire is relatively long. Since installing the grounding wire requires workers to climb onto the wire tower, this grounding wire with a long operating rod is not convenient to carry. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a portable grounding wire to solve the problem that the existing operating rod of the grounding wire is relatively long and not convenient to carry.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A portable grounding wire of the utility model includes an insulating rod. A clamp is arranged at the top of the insulating rod. One side of the clamp is connected with a grounding terminal through a grounding wire. The insulating rod includes an outer tube and an inner tube. The lower end of the inner tube is inserted into the outer tube. A plurality of positioning holes are arranged on the inner tube, and positioning members are arranged in the positioning holes to limit the inner tube.

[0006] Further, the clamp includes a first adjusting screw. The first adjusting screw is arranged on the top surface of the inner tube. A fixed clamping plate is arranged at the top of the first adjusting screw. An adjustable clamping plate is threadedly connected to the first adjusting screw and located below the fixed clamping plate. Connecting frames are arranged on the front and rear sides of the fixed clamping plate and the adjustable clamping plate. The left sides of the two connecting frames are connected to the fixed clamping plate and the adjustable clamping plate through fixed shafts. The right sides of the two connecting frames are connected together through sliding shafts. The fixed clamping plate and the adjustable clamping plate are both provided with sliding grooves, and the sliding shaft slides along the sliding grooves.

[0007] Still further, the connecting frame includes two connecting rods, and the middle parts of the two connecting rods are hinged together.

[0008] Still further, a limiting portion is arranged at the right end of the fixed clamping plate.

[0009] Still further, clamping arms are arranged on the bottom surface of the fixed clamping plate and the top surface of the adjustable clamping plate, and the upper and lower clamping arms are corresponding in position.

[0010] Still further, the cross-section of the clamping arm is arranged in an arc shape.

[0011] Furthermore, the cross-section of the clamping arm is set as a rectangle.

[0012] Furthermore, the grounding terminal includes a clamping seat which is arranged in a U-shaped structure with an opening on the left side. A second adjusting screw is provided at the top of the clamping seat, and a clamping plate is provided at the bottom surface of the second adjusting screw.

[0013] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0014] The insulating rod of the present utility model includes an outer tube and an inner tube. When not in use, the inner tube is inserted into the outer tube, reducing the overall length of the insulating rod for easy carrying. When in use, the inner tube is pulled outwards, and a positioning member is installed in the positioning hole to limit the inner tube, increasing the overall length of the inner tube and the outer tube for easy use. By improving the structure of the insulating rod, the length of the insulating rod can be freely adjusted, facilitating carrying and use. Description of the Drawings

[0015] The present utility model will be further described below in conjunction with the drawings.

[0016] Figure 1 It is the front view of the first embodiment of the present utility model;

[0017] Figure 2 It is the three-dimensional structure diagram of the insulating rod in the first embodiment of the present utility model;

[0018] Figure 3 It is the three-dimensional structure diagram of the wire clamp in the first embodiment of the present utility model;

[0019] Figure 4 It is the position relationship diagram of the connecting frame, sliding shaft and fixed shaft in the first embodiment of the present utility model;

[0020] Figure 5 It is the cross-sectional view of the wire clamp in the first embodiment of the present utility model;

[0021] Figure 6 It is the three-dimensional structure diagram of the grounding terminal in the first embodiment of the present utility model;

[0022] Figure 7 It is the front view of the second embodiment of the present utility model.

[0023] Description of reference numerals: 1, insulating rod; 2, wire clamp; 3, grounding wire; 4, grounding terminal; 1-1, outer tube; 1-2, inner tube; 1-2-1, positioning hole; 1-3, positioning member; 2-1, fixed clamping plate; 2-1-1, limiting portion; 2-2, movable clamping plate; 2-3, connecting frame; 2-4, first adjusting screw; 2-5, sliding groove; 2-6, sliding shaft; 2-7, fixed shaft; 2-8, clamping arm; 4-1, clamping seat; 4-2, second adjusting screw; 4-3, clamping plate. Detailed implementation manners

[0024] Embodiment 1

[0025] As Figures 1-6 shown, a portable grounding wire includes an insulating rod 1, a wire clamp 2 is installed at the top of the insulating rod 1, and a grounding terminal 4 is connected to one side of the wire clamp 2 through a grounding wire 3.

[0026] As Figure 2 shown, the insulating rod 1 includes an outer tube 1-1 and an inner tube 1-2. The lower end of the inner tube 1-2 is inserted into the outer tube 1-1. A plurality of positioning holes 1-2-1 are formed in the inner tube 1-2. The plurality of positioning holes 1-2-1 are equidistantly distributed. A positioning member 1-3 is installed in the positioning holes 1-2-1 to limit the inner tube 1-2; specifically, a sleeve is threadedly connected to the top of the outer tube 1-1, and two handles are installed on the outer wall of the sleeve to facilitate the staff to carry the insulating rod; when not in use, the inner tube 1-2 is inserted into the outer tube 1-1 to reduce the overall length of the insulating rod 1 for easy carrying; when in use, the inner tube 1-2 is pulled outwards, and the positioning member 1-3 is installed in the positioning holes 1-2-1 to limit the inner tube 1-2, so that the overall length of the inner tube 1-2 and the outer tube 1-1 increases for easy use.

[0027] As Figures 3-5 shown, the wire clamp 2 includes a first adjusting screw 2-4. The first adjusting screw 2-4 is connected to the top surface of the inner tube 1-2. The top of the first adjusting screw 2-4 is rotatably connected to a fixed clamping plate 2-1 through a bearing. An movable clamping plate 2-2 is threadedly connected to the first adjusting screw 2-4 and located below the fixed clamping plate 2-1. Connecting frames 2-3 are arranged on the front and rear sides of the fixed clamping plate 2-1 and the movable clamping plate 2-2. The two end portions on the left side of the two connecting frames 2-3 are connected together through a fixed shaft 2-7. The upper and lower fixed shafts 2-7 are respectively connected to the fixed clamping plate 2-1 and the movable clamping plate 2-2. The two end portions on the right side of the two connecting frames 2-3 are connected together through a sliding shaft 2-6. The fixed clamping plate 2-1 and the movable clamping plate 2-2 are both provided with sliding grooves 2-5, and the two sliding shafts 2-6 respectively slide along the two sliding grooves 2-5.

[0028] AsFigure 4 As shown, the connecting frame 2-3 includes two connecting rods, and the middle parts of the two connecting rods are hinged together; the connecting frame 2-3 is in an X-shaped structure.

[0029] A limiting part 2-1-1 is connected to the right end of the fixed clamping plate 2-1; the limiting part 2-1-1 and the fixed clamping plate 2-1 are of an integral structure. The limiting part 2-1-1 is mainly used to limit the wire to prevent the wire from slipping out, so as to ensure a reasonable contact area between the grounding wire clamp and the wire.

[0030] Clamping arms 2-8 are installed on the bottom surface of the fixed clamping plate 2-1 and the top surface of the movable clamping plate 2-2, and the positions of the upper and lower two clamping arms 2-8 correspond to each other; one side of the clamping arm 2-8 is connected with a threaded rod, and the threaded rod matches the threaded holes on the bottom surface of the fixed clamping plate 2-1 and the top surface of the movable clamping plate 2-2, so as to detachably connect the clamping arm 2-8 to the fixed clamping plate 2-1 and the movable clamping plate 2-2.

[0031] The cross section of the clamping arm 2-8 is set as an arc shape, and the arc structure can prevent the wire from detaching from the clamping arm 2-8.

[0032] During use, rotate the insulating rod 1, the insulating rod 1 drives the first adjusting screw 2-4 to rotate, the first adjusting screw 2-4 rotates to drive the movable clamping plate 2-2 to move upward, the sliding shaft 2-6 slides along the sliding groove 2-5, and the distance between the fixed clamping plate 2-1 and the movable clamping plate 2-2 decreases, clamping the wire.

[0033] As Figure 6 shown, the grounding terminal 4 includes a clamping seat 4-1. The clamping seat 4-1 is set as a U-shaped structure with an opening on the left side. A second adjusting screw 4-2 is threadedly connected to the top of the clamping seat 4-1, and a clamping plate 4-3 is connected to the bottom surface of the second adjusting screw 4-2; during use, the clamping plane at the bottom of the clamping seat 4-1 is in contact with the grounding pile, rotate the second adjusting screw 4-2, the second adjusting screw 4-2 drives the clamping plate 4-3 to move downward, and the distance between the clamping plate 4-3 and the clamping plane at the bottom of the clamping seat 4-1 decreases, clamping the grounding pile, so as to connect the grounding terminal 4 with the grounding pile together.

[0034] The using process of the utility model is as follows:

[0035] First, connect the grounding terminal 4 with the grounding pile; then, hang the wire clamp 2 on the wire, rotate the insulating rod 1, the insulating rod 1 drives the first adjusting screw 2-4 to rotate, the first adjusting screw 2-4 rotates to drive the movable clamping plate 2-2 to move upward, the sliding shaft 2-6 slides along the sliding groove 2-5, and the distance between the fixed clamping plate 2-1 and the movable clamping plate 2-2 decreases, clamping the wire, and completing the hanging of the grounding wire.

[0036] Embodiment Two

[0037] This embodiment improves the clamping arms on the basis of Embodiment 1. As Figure 7 shown, the cross-section of the clamping arms 2-8 is set to be rectangular, and the rectangular structure makes the two clamping arms 2-8 fit more closely to the surface of the wire.

[0038] By designing the clamping arms into different shapes, it is convenient to match with circular conductors and square conductors, and the applicable range is wider.

[0039] The above-described embodiments are only descriptions of the preferred modes of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A convenient grounding wire, characterized in that: The invention comprises an insulating rod (1), a wire clamp (2) is arranged on the top of the insulating rod (1), and one side of the wire clamp (2) is connected to a grounding terminal (4) via a grounding wire (3); the insulating rod (1) comprises an outer tube (1-1) and an inner tube (1-2), the lower end of the inner tube (1-2) is inserted into the outer tube (1-1), a plurality of positioning holes (1-2-1) are arranged on the inner tube (1-2), and a positioning member (1-3) is arranged in the positioning hole (1-2-1) to limit the inner tube (1-2).

2. The portable grounding wire according to claim 1, characterized in that: The wire clamp (2) comprises a first adjusting screw (2-4), the first adjusting screw (2-4) being arranged on the top surface of the inner tube (1-2), a fixed clamping plate (2-1) being arranged on the top of the first adjusting screw (2-4), a movable clamping plate (2-2) being threadedly connected on the first adjusting screw (2-4) and located below the fixed clamping plate (2-1), connecting frames (2-3) being arranged on the front and rear sides of the fixed clamping plate (2-1) and the movable clamping plate (2-2), the left sides of the two connecting frames (2-3) being connected to the fixed clamping plate (2-1) and the movable clamping plate (2-2) through a fixed shaft (2-7), the right sides of the two connecting frames (2-3) being connected together through a sliding shaft (2-6), the fixed clamping plate (2-1) and the movable clamping plate (2-2) both being provided with a sliding groove (2-5), and the sliding shaft (2-6) sliding along the sliding groove (2-5).

3. The portable grounding wire according to claim 2, characterized in that: The connecting frame (2-3) comprises two connecting rods, and the middle parts of the two connecting rods are hinged together.

4. The portable grounding wire according to claim 2, characterized in that: A limiting portion (2-1-1) is provided at the right end of the fixed clamping plate (2-1).

5. The portable grounding wire according to claim 2, characterized in that: The bottom surface of the fixed clamping plate (2-1) and the top surface of the movable clamping plate (2-2) are provided with clamping arms (2-8), and the positions of the upper and lower clamping arms (2-8) correspond to each other.

6. The portable grounding wire according to claim 5, characterized in that: The cross section of the clamping arm (2-8) is arranged to be arc-shaped.

7. The portable grounding wire according to claim 5, characterized in that: The cross section of the clamp arm (2-8) is arranged to be rectangular.

8. The portable grounding wire according to claim 1, characterized in that: The grounding terminal (4) comprises a clamping seat (4-1), the clamping seat (4-1) being arranged as a U-shaped structure with an opening on the left side, a second adjusting screw (4-2) being arranged on the top of the clamping seat (4-1), and a clamping plate (4-3) being arranged on the bottom surface of the second adjusting screw (4-2).

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