CN217719980U

CN217719980U - Self-locking type grounding wire clamp

Info

Publication number: CN217719980U
Application number: CN202221162109.1U
Authority: CN
Inventors: 李雅南
Original assignee: Shijiazhuang Huawei Electrical Equipment Co ltd
Current assignee: Shijiazhuang Huawei Electrical Equipment Co ltd
Priority date: 2022-05-14
Filing date: 2022-05-14
Publication date: 2022-11-01
Anticipated expiration: 2032-05-14

Abstract

The utility model relates to an earth clamp technical field, the utility model provides a from locking-type earth clamp, its reliability is higher, including the earth clamp body, the earth clamp body is equipped with first holding piece and second holding piece, be provided with the ground wire joint on the first holding piece, still include the support frame, be connected with a plurality of reset spring between first holding piece and the second holding piece, two backup pads of top fixedly connected with of support frame, the earth clamp body rotates to be connected between two backup pads, the inside of support frame rotates and is connected with the regulation pole, the motor is installed to the support frame, the output of motor passes the support frame and adjusts pole fixed connection, the periphery of adjusting the pole is provided with two external screw threads to opposite soon, it has two movable blocks to adjust pole threaded connection, the movable block is connected with the locating part, the top fixedly connected with of movable block compresses tightly the frame, the bottom of first holding piece and second holding piece is located the inside that the frame that compresses tightly that corresponds respectively.

Description

Self-locking type grounding wire clamp

Technical Field

The utility model relates to an earth clamp technical field, concretely relates to from locking-type earth clamp.

Background

As is well known, the ground clamp can hang a ground wire on a high-voltage wire to ground the high-voltage wire, so that an operator can be protected when the operator operates the high-voltage wire, and the ground clamp is widely used in the field of high-voltage operation.

Through retrieval, china 2015, on 8.4.8, discloses a self-locking ground wire clamp for a ground wire suspension vehicle with patent publication number CN204257855U, which is roughly described as comprising a clamp body, one end of a torsion spring is fixedly connected with a first clamping piece, the other end of the torsion spring is fixedly connected with a second clamping piece, one end of a locking rod penetrates through a through groove on the first clamping piece to be hinged with the second clamping piece, the other end of the locking rod protrudes out of the first clamping piece and reciprocates in the through groove, a ground wire joint is arranged on the first clamping piece and is connected with a ground wire, the clamp further comprises a rope throwing device and a recovery rope, the rope throwing device comprises a positioning plate, the top end of the positioning plate is provided with a rope throwing rod and a high-pressure wire contact rod, the rope throwing rod and the high-pressure wire contact rod are hinged with the positioning plate, a rope hanging rod at the top of the rope rod is vertically arranged and fixedly connected with the rope throwing rod, and a rope tying hole is formed in the locking rod protruding out of the outer side of the first clamping piece.

Although foretell prior art scheme has the auto-lock effect, can lock the high-voltage line, make anchor clamps fall perpendicularly along the electric wire simultaneously, avoided accident's emergence, it uses throwing the rope pole to throw the recovery rope to the opposite side of earth clamp when locking the high-voltage line, uses the recovery rope to carry out the unblock to the earth clamp, the recovery rope probably takes place to twine in the use, articulate on high-voltage line or earth clamp, simultaneously when strong wind weather, the recovery rope is blown, influences its result of use, use reliability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a from locking-type earth clamp to the prior art who provides in the solution background uses the relatively poor problem of reliability.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from locking-type earth clamp, includes the earth clamp body, the earth clamp body is equipped with first holding piece and second holding piece, be provided with the ground wire on the first holding piece and connect, still includes the support frame, be connected with a plurality of reset spring between first holding piece and the second holding piece, two backup pads of top fixedly connected with of support frame, the earth clamp body rotates to be connected between two backup pads, the inside of support frame rotates and is connected with the regulation pole, the motor is installed to the support frame, the output of motor pass the support frame and with adjust pole fixed connection, the periphery of adjusting the pole is provided with two external screw threads that revolve to opposite, it has two movable blocks to adjust pole threaded connection, the movable block is connected with the locating part, the top fixedly connected with of movable block compresses tightly the frame, the bottom of first holding piece and second holding piece is located the inside that the frame compresses tightly that corresponds respectively.

Preferably, the limiting part comprises a sliding block, the sliding block is fixedly connected to the bottom end of the moving block, a sliding groove matched with the sliding block is formed in the supporting frame, and the sliding block is in sliding fit with the sliding groove.

Furthermore, the rotating groove is formed in the bottom of each of the first clamping piece and the second clamping piece, the roller is connected to the inside of the rotating groove in a rotating mode, and the roller is in contact with the inner wall of the pressing frame.

Still further, two limiting plates are fixedly connected to the top end of the supporting frame, two limiting rods are fixedly connected to one ends, away from each other, of the pressing frames, and limiting holes matched with the limiting rods are formed in the limiting plates.

As a further scheme of the scheme, a reinforcing plate is fixedly connected between the supporting plate and the supporting frame.

As a further scheme of the scheme, the bottom end of the sliding block is rotatably connected with a plurality of balls, and the balls are in contact with the inner bottom wall of the sliding groove.

On the basis of the scheme, the inner part of the limiting hole is rotatably connected with a plurality of rotating beads, and the rotating beads are in contact with the corresponding limiting rods.

On the basis of the scheme, a cushion pad is fixedly sleeved on the periphery of the roller.

(III) advantageous effects

Compared with the prior art, the utility model provides a from locking-type earth clamp possesses following beneficial effect:

the utility model discloses in, can drive through the motor and adjust the pole and rotate, screw-thread fit and locating part through movable block and regulation pole are to the limiting displacement of movable block, can make the movable block drive and compress tightly the frame and be close to each other, it presses down to the bottom of first cramping piece and second cramping piece to compress tightly the frame, make the earth clamp body open, thereby can make the high-voltage line remove to between first cramping piece and the second cramping piece, control motor reversal, thereby can drive two and compress tightly the frame and keep away from each other, it presss from both sides tightly to make the earth clamp body reply the closure state to the high-voltage line under reset spring's drive, thereby realize the ground connection of high-voltage line, when needs make this self-locking type earth clamp break away from the high-voltage line, it drives to compress tightly the frame and press down first cramping piece and second cramping piece to open the motor, compare foretell prior art, this scheme reliability is higher.

Drawings

Fig. 1 is a schematic view of a partially cut-away three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of the utility model shown in FIG. 1;

fig. 4 is a schematic view of the overall three-dimensional structure of the present invention.

In the figure: 1. a first clamping piece; 2. a second clamping piece; 3. a ground wire connection; 4. a support frame; 5. a return spring; 6. a support plate; 7. adjusting a rod; 8. a motor; 9. a moving block; 10. a pressing frame; 11. a slider; 12. a roller; 13. a limiting plate; 14. a limiting rod; 15. a reinforcing plate; 16. a ball bearing; 17. rotating the beads; 18. a cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a self-locking ground clip includes a ground clip body, the ground clip body has a first clamping piece 1 and a second clamping piece 2, the first clamping piece 1 has a ground wire connector 3, the ground clip body is a common ground clip on the market, the connection between the ground clip body and a ground wire and the grounding principle of a high-voltage wire are prior art, and are not innovative points of the patent, so that the description is not repeated herein, the self-locking ground clip also includes a support frame 4, before working, the support frame 4 needs to be connected with a telescopic operating rod, the using method of the telescopic operating rod can refer to the using method in the patent with the patent publication number CN204257855U, the telescopic operating rod is an auxiliary using device, and has no innovative points of the patent, a plurality of reset springs 5 are connected between the first clamping piece 1 and the second clamping piece 2, the stability of the first clamping piece 1 and the second clamping piece 2 can be ensured through the elasticity of the reset spring 5, so that the grounding wire clamp body is in a closed state, the top end of the support frame 4 is fixedly connected with two support plates 6, the grounding wire clamp body is rotatably connected between the two support plates 6, a reinforcing plate 15 is fixedly connected between the support plates 6 and the support frame 4, so that the stability of the support plates 6 is improved, and the stability of the grounding wire clamp body is ensured, the inner part of the support frame 4 is rotatably connected with an adjusting rod 7, the support frame 4 is provided with a motor 8, the output end of the motor 8 penetrates through the support frame 4 and is fixedly connected with the adjusting rod 7, the periphery of the adjusting rod 7 is provided with two external threads with opposite rotation directions, the adjusting rod 7 is in threaded connection with two moving blocks 9, the moving blocks 9 are connected with a limiting part, the limiting part comprises a sliding block 11, the sliding block 11 is fixedly connected to the bottom end of the moving block 9, and the support frame 4 is provided with a sliding groove matched with the sliding block 11, slider 11 and spout are sliding fit, sliding fit through slider 11 and spout, can realize the removal of movable block 9, can carry on spacingly to movable block 9 simultaneously, guarantee its stability, the bottom of slider 11 is rotated and is connected with a plurality of balls 16, the interior diapire contact of ball 16 and spout, rotation through ball 16 can reduce the friction between the bottom of slider 11 and the interior diapire of spout, thereby reduce the resistance when slider 11 and movable block 9 etc. remove, the top fixedly connected with of movable block 9 compresses tightly frame 10, the bottom of first clamping piece 1 and second clamping piece 2 is located the inside that compresses tightly frame 10 that corresponds respectively.

It should be further noted that the adjusting rod 7 can be driven to rotate by the motor 8, the moving block 9 can be moved by the threaded fit of the moving block 9 and the adjusting rod 7 and the limiting action of the limiting member on the moving block 9, the two external threads on the periphery of the adjusting rod 7 have opposite rotation directions, so that the relative movement of the two moving blocks 9 can be realized, the two pressing frames 10 can be close to or away from each other, the two pressing frames 10 can be close to each other to press the bottoms of the first clamping piece 1 and the second clamping piece 2, so that the grounding wire clamp body is opened, so that the high-voltage wire can be moved into the grounding wire clamp body or moved out of the grounding wire clamp body, the bottoms of the first clamping piece 1 and the second clamping piece 2 are respectively provided with a rotating groove, the inside of the rotating groove is rotatably connected with a roller 12, and the roller 12 is in contact with the inner wall of the pressing frames 10, the first clamping piece 1 and the second clamping piece 2 are not in direct contact with the pressing frame 10 through the arrangement of the roller 12, the first clamping piece 1 and the second clamping piece 2 are convenient to move through the rotation of the roller 12, so that the abrasion between the first clamping piece 1 and the pressing frame 10 and the abrasion between the second clamping piece 2 and the pressing frame 10 can be reduced, the cushion pad 18 is fixedly sleeved on the periphery of the roller 12, the collision between the pressing frame 10 and the roller 12 is reduced, the pressing frame 10 and the roller 12 are protected in a buffering way, the top end of the supporting frame 4 is fixedly connected with two limiting plates 13, one ends of the two pressing frames 10, which are far away from each other, are fixedly connected with limiting rods 14, limiting holes matched with the limiting rods 14 are formed in the limiting plates 13, the stability of the pressing frame 10 can be ensured while the movement of the pressing frame 10 is realized through the sliding fit between the limiting rods 14 and the limiting plates 13, and a plurality of rotating balls 17 are rotatably connected in the limiting holes, the rotating balls 17 are in contact with the corresponding limiting rods 14, and the friction between the limiting rods 14 and the limiting plates 13 can be reduced through the rotation of the balls 16, so that the resistance of the pressing frame 10 during movement is reduced.

The motor 8 in this embodiment is a conventional device purchased on the market and known to those skilled in the art, and the model can be selected or customized according to actual needs, and in this patent, we only use it, and do not improve its structure and function, and its setting mode, installation mode, and electrical connection mode, for those skilled in the art, it is only necessary to perform debugging operation according to the requirements of their usage specifications, and they are not described here again.

In conclusion, when the self-locking ground wire clamp is used, the support frame 4 is connected with the telescopic operating rod, the telescopic operating rod is stretched to the longest, the two initial pressing frames 10 are in a state of being away from each other, the ground wire clamp body is in a closed state, in the process, an operator turns on the motor 8, the motor 8 drives the adjusting rod 7 to rotate, so as to drive the two moving blocks 9 to approach each other, the two pressing frames 10 approach each other to press the bottoms of the first clamping piece 1 and the second clamping piece 2 mutually, so that the tops of the first clamping piece 1 and the second clamping piece 2 are opened, a high-voltage wire is moved between the first clamping piece 1 and the second clamping piece 2, and the motor 8 is controlled to rotate reversely, make two and compress tightly frame 10 and keep away from each other to remove compressing tightly first holding piece 1 and second holding piece 2, make the bottom of first holding piece 1 and second holding piece 2 keep away from each other under reset spring 5's effect, make the earth clamp body resume to be the closure state and press from both sides tightly the high-voltage line, realize the ground connection to the high-voltage line through ground wire joint 3 and ground wire, can carry out the relevant work of high-voltage line, the back that the staff finished working, operating personnel opens motor 8, motor 8 drives and adjusts pole 7 and rotate and make two and compress tightly frame 10 and be close to each other, open the earth clamp body, remove the locking to the high-voltage line, it can to retrieve this self-locking type earth clamp.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from locking-type earth clamp, includes the earth clamp body, the earth clamp body is equipped with first holding piece (1) and second holding piece (2), be provided with ground wire joint (3) on first holding piece (1), its characterized in that still includes support frame (4), be connected with a plurality of reset spring (5) between first holding piece (1) and second holding piece (2), two backup pad (6) of top fixedly connected with of support frame (4), the earth clamp body rotates to be connected between two backup pad (6), the inside rotation of support frame (4) is connected with regulation pole (7), motor (8) are installed in support frame (4), the output of motor (8) passes support frame (4) and with regulation pole (7) fixed connection, the periphery of adjusting pole (7) is provided with two external screw threads that revolve to opposite, adjust pole (7) threaded connection have two movable block (9), movable block (9) are connected with the locating part, the top fixedly connected with of movable block (9) compresses tightly frame (10), the bottom that first holding piece (1) and second holding piece (2) compress tightly the inside respectively in corresponding to the frame (10).

2. The self-locking type grounding clamp as claimed in claim 1, wherein the limiting member comprises a sliding block (11), the sliding block (11) is fixedly connected to the bottom end of the moving block (9), the supporting frame (4) is provided with a sliding groove matched with the sliding block (11), and the sliding block (11) and the sliding groove are in sliding fit.

3. The self-locking type grounding wire clamp as claimed in claim 2, wherein the bottoms of the first clamping piece (1) and the second clamping piece (2) are both provided with a rotary groove, the interior of the rotary groove is rotatably connected with a roller (12), and the roller (12) is in contact with the inner wall of the pressing frame (10).

4. The self-locking type grounding clamp as claimed in claim 3, wherein two limiting plates (13) are fixedly connected to the top end of the supporting frame (4), two limiting rods (14) are fixedly connected to the ends of the pressing frames (10) away from each other, and limiting holes matched with the limiting rods (14) are formed in the limiting plates (13).

5. A self-locking grounding clamp as claimed in claim 4, characterized in that a reinforcing plate (15) is fixedly connected between the support plate (6) and the support frame (4).

6. A self-locking ground clamp as claimed in claim 5, characterized in that a plurality of balls (16) are rotatably connected to the bottom end of the slider (11), and the balls (16) are in contact with the inner bottom wall of the sliding groove.

7. The self-locking grounding wire clamp as claimed in claim 6, wherein a plurality of rotating balls (17) are rotatably connected to the inside of the limiting hole, and the rotating balls (17) are in contact with the corresponding limiting rods (14).

8. The self-locking ground clamp as claimed in claim 7, wherein a cushion (18) is fixedly sleeved on the periphery of the roller (12).