CN215070487U

CN215070487U - Grounding mechanism with automatic take-up and pay-off function

Info

Publication number: CN215070487U
Application number: CN202120725480.3U
Authority: CN
Inventors: 王飞; 何沁鸿
Original assignee: State Grid Corp of China SGCC; Jingmen Power Supply Co of State Grid Hubei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Jingmen Power Supply Co of State Grid Hubei Electric Power Co Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-07
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a grounding mechanism with automatic receive and release line function, first swing arm and first slewing mechanism swing joint, the second swing arm passes through second slewing mechanism and first swing arm swing joint, the third swing arm passes through third slewing mechanism and second swing arm swing joint, frame fixed mounting is on first slewing mechanism, the extension board passes through fourth slewing mechanism and third swing arm swing joint, frame fixed mounting is on the extension board, main shaft movable mounting is on the frame, first motor fixed mounting is on the frame to be connected with spindle drive, wire reel fixed mounting is on the main shaft, the opening has been seted up to the front portion of wire reel, insulating cylinder fixed mounting is on the frame to penetrate in the wire reel from the opening part, the utility model discloses the advantage is: the grounding operation of the electric power overhaul personnel during power failure overhaul of the power transmission line is facilitated, the labor intensity of workers is reduced, and the potential safety hazard during operation is reduced.

Description

Grounding mechanism with automatic take-up and pay-off function

Technical Field

The utility model relates to an electric power apparatus's technical field, more specifically say so and relate to a technical field that is used for electric power insulation ground connection apparatus.

Background

The ground rod is a safety appliance for short-circuit grounding of power failure equipment, and the zero potential of the earth is connected with the electrical equipment through the ground rod, so that the connected electrical equipment is at the zero potential. When the power transmission line is in power failure and overhauled, the grounding rod hung at the working section is one of technical measures for ensuring safe work on the power transmission line, and the grounding rod mainly plays the roles of introducing residual charges of a power failure line into the ground, eliminating induction of an adjacent live line, preventing sudden power transmission of the line and the like. At present, when using the earth bar to carry out the ground connection operation to low tension transmission line, generally climb to the concrete pole by electric power maintainer on, articulate the earth bar on the transmission line, however adopt this kind of operating mode, staff's intensity of labour is big, has certain potential safety hazard to an equipment that can realize automatic ground connection function has not appeared in the market at present, electric power staff is when carrying out the ground connection operation, often need carry cleaning device and earthing device, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned not enough and provide one kind and need not to adopt artifical pole-climbing, can realize automatic ground connection function, alleviate staff's intensity of labour, reduce the potential safety hazard's the ground mechanism who has automatic receipts and releases the line function.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

a grounding mechanism with an automatic wire winding and unwinding function comprises a machine base, a rocker arm mechanism, a wire winding and unwinding mechanism and a wire clamping mechanism, wherein the rocker arm mechanism comprises a first swing arm, a second swing arm, a third swing arm and a support plate, the first swing arm is movably connected with a first rotating mechanism, the second swing arm is movably connected with the first swing arm through a second rotating mechanism, the third swing arm is movably connected with the second swing arm through a third rotating mechanism, the machine base is fixedly arranged on the first rotating mechanism, the support plate is movably connected with the third swing arm through a fourth rotating mechanism, the wire winding and unwinding mechanism comprises a frame, a main shaft, a wire winding disc, a grounding wire, an insulating cylinder, an insulating base, an annular conducting plate, a conducting plate and a first motor, the frame is fixedly arranged on the support plate, the main shaft is movably arranged on the frame, the first motor is fixedly arranged on the frame, the wire clamping mechanism comprises a bracket, a paired insulation opening and closing seat and paired conductive clamping blocks, wherein the wire winding disk is fixedly arranged on the main shaft, the front part of the wire winding disk is provided with an opening, the insulation cylinder is fixedly arranged on the frame and penetrates into the wire winding disk from the opening, the wire winding disk is internally provided with an insulation cylinder, the annular conductive sheet is fixedly sleeved outside the insulation cylinder, the insulation seat is fixedly arranged in the insulation cylinder, the conductive plate is fixedly arranged on the insulation seat, the conductive plate is provided with a splayed conductive pressing sheet which is pressed outside the annular conductive sheet, the grounding wire is wound on the wire winding disk, one end part of the grounding wire penetrates inside the wire winding disk and is fixedly arranged in the insulation cylinder, the grounding wire positioned in the insulation cylinder is electrically connected with the annular conductive sheet, and the wire clamping mechanism comprises a bracket, a paired insulation opening and closing seat and a paired conductive clamping block, the bracket is fixedly arranged on the support plate, the paired insulating opening and closing seats are movably arranged on the bracket, an opening and closing mechanism is arranged between the paired insulating opening and closing seats and the bracket, the paired conductive clamping blocks are respectively and fixedly arranged on the paired insulating opening and closing seats, and the paired conductive clamping blocks are electrically connected with the conductive plates of the take-up and pay-off mechanism through connecting wires.

First to fourth rotation mechanism is including shell seat, revolving stage, second motor and worm respectively, the week portion of revolving stage is provided with the worm wheel, the worm wheel is through mated first bearing movable mounting in the shell seat, worm movable mounting is in the shell seat to mesh mutually with the worm wheel, second motor fixed mounting is on the shell seat to be connected with worm transmission through the second shaft coupling, a tip of first swing arm and first rotation mechanism's revolving stage fixed connection, second rotation mechanism's shell seat fixed mounting is on another tip of first swing arm, a tip of second swing arm and second rotation mechanism's revolving stage fixed connection, the shell seat fixed mounting of third rotation mechanism is on another tip of second swing arm, a tip of third swing arm and third rotation mechanism's revolving stage fixed connection, fourth rotation mechanism's shell seat fixed mounting is on another tip of third swing arm, the support plate is fixedly arranged on a rotating table of the fourth rotating mechanism, and the machine base is fixedly arranged on a shell base of the first rotating mechanism.

The mechanism that opens and shuts is including guide arm, lead screw and third motor, guide arm fixed mounting is on the bracket, through-hole and screw have been seted up on the insulating seat that opens and shuts in pairs, insulating seat that opens and shuts in pairs puts on the guide arm through-hole movable sleeve, be provided with on the lead screw and revolve to opposite mated external screw thread, lead screw movable mounting is on the bracket to put soon in the screw of insulating seat that opens and shuts in pairs through it to opposite mated external screw thread soon, third motor fixed mounting is on the bracket to be connected with screw drive through the third shaft coupling, the main shaft is through mated second bearing movable mounting on the frame, first motor is connected with spindle drive through first shaft coupling, insulating seat passes through branch fixed mounting in the insulator spindle.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is: a grounding mechanism with an automatic wire winding and unwinding function is characterized in that when the grounding function of a power transmission line is needed to be realized, a wire clamping mechanism is moved to the power transmission line through a rocker arm mechanism, paired conductive clamping blocks are arranged on two sides of the power transmission line, then a twelfth motor of the wire clamping mechanism drives a third screw rod, paired insulating opening and closing seats are driven to move oppositely through the third screw rod, further the paired conductive clamping blocks are driven to be in clamping and electric connection with the power transmission line, then a main shaft and a wire winding disc are driven to rotate through an eleventh motor, a grounding wire is unwound through the wire winding disc, the grounding end of the grounding wire is lowered to the ground, and then a worker grounds the grounding end of the grounding wire, so that the concrete pole cross arm insulator cleaning device with the grounding function has the grounding function while having the insulator cleaning function, and does not need to climb to a concrete pole to perform the grounding operation, the grounding operation of electric power maintainers is very convenient when the power transmission line is interrupted to overhaul, the labor intensity of workers is reduced, and the potential safety hazard during operation is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is an enlarged partial view of FIG. 2 at A1;

FIG. 4 is an enlarged partial view of FIG. 2 at A2;

FIG. 5 is a schematic sectional view of the structure of FIG. 4B-B;

FIG. 6 is a schematic view of the structure of FIG. 2 in partial section at C;

FIG. 7 is a schematic cross-sectional view of D-D of FIG. 6;

FIG. 8 is a schematic cross-sectional view E-E of FIG. 1;

fig. 9 is a schematic sectional structure view of F-F of fig. 8.

Detailed Description

As shown in fig. 1, a grounding mechanism with automatic wire winding and unwinding functions comprises a machine base 0, a rocker arm mechanism, a wire winding and unwinding mechanism and a wire clamping mechanism, wherein the rocker arm mechanism comprises a first swing arm 1, a second swing arm 2, a third swing arm 3 and a support plate 4, the first swing arm 1 is movably connected with the machine base 0 through a first swing mechanism 15, the second swing arm 2 is movably connected with the first swing arm 1 through a second swing mechanism 5, the third swing arm 3 is movably connected with the second swing arm 2 through a third swing mechanism 6, the support plate 4 is movably connected with the third swing arm 3 through a fourth swing mechanism 7, and the specific structures of the first to fourth swing mechanisms and the specific connection relations between the first swing arm 1, the second swing arm 2, the third swing arm 3 and the support plate 4 are as follows: as shown in fig. 6 to 9, the first to fourth swing mechanisms respectively include a housing base 8, a rotating base 9, a second motor 10 and a worm 11, a worm wheel 12 is disposed on the periphery of the rotating base 9, the worm wheel 12 of the rotating base 9 is movably mounted in the housing base 8 through a pair of first bearings 13, the worm 11 is movably mounted in the housing base 8 and is engaged with the worm wheel 12, the second motor 10 is fixedly mounted on the housing base 8 and is in transmission connection with the worm 11 through a second coupling 14, the machine base 0 is fixedly mounted on the housing base 8 of the first swing mechanism 15, one end of the first swing arm 1 is fixedly connected with the rotating base 9 of the first swing mechanism 15, the housing base 8 of the second swing mechanism 5 is fixedly mounted on the other end of the first swing arm 1, one end of the second swing arm 2 is fixedly connected with the rotating base 9 of the second swing mechanism 5, the housing base 8 of the third swing mechanism 6 is fixedly mounted on the other end of the second swing arm 2, one end part of the third swing arm 3 is fixedly connected with a rotating platform 9 of the third rotating mechanism 6, a shell seat 8 of the fourth rotating mechanism 7 is fixedly arranged on the other end part of the third swing arm 3, and the support plate 4 is fixedly arranged on the rotating platform 9 of the fourth rotating mechanism 7. As shown in fig. 2, 4 and 5, the take-up and pay-off mechanism includes a frame 16, a main shaft 17, a wire spool 18, a ground wire 19, an insulating cylinder 20, an insulating base 21, an annular conducting strip 22, a conducting plate 23 and a first motor 24, the frame 16 is fixedly mounted on the supporting plate 4, the main shaft 17 is movably mounted on the frame 16 through a pair of second bearings 25, the first motor 24 is fixedly mounted on the frame 16 and is in transmission connection with the main shaft 17 through a first coupler 26, the wire spool 18 is fixedly mounted on the main shaft 17, an opening 27 is formed in the front of the wire spool 18, the insulating cylinder 20 is fixedly mounted on the frame 16 and penetrates into the wire spool 18 from the opening 27, an insulating cylinder 28 is arranged in the wire spool 18, the annular conducting strip 22 is fixedly sleeved outside the insulating cylinder 28, the insulating base 21 is fixedly mounted in the insulating cylinder 20 through a supporting rod 29, the conducting plate 23 is fixedly mounted on the insulating base 21, a conductive sheet 41 is disposed on the conductive plate 23, the conductive sheet 41 is pressed against the outside of the annular conductive sheet 22, the ground wire 19 is wound on the wire spool 18, one end of the ground wire 19 is inserted into the wire spool 18 and is fixedly inserted into the insulating cylinder 28, and the ground wire 19 in the insulating cylinder 28 is electrically connected to the annular conductive sheet 22. As shown in fig. 2 and 3, the wire clamping mechanism includes a bracket 30, a pair of insulating opening and closing seats 33 and a pair of conductive clamping blocks 34, the bracket 30 is fixedly mounted on the support plate 4, the pair of insulating opening and closing seats 33 is movably mounted on the bracket 30, an opening and closing mechanism is arranged between the pair of insulating opening and closing seats 33 and the bracket 30, and the specific structure of the opening and closing mechanism and the connection relationship between the insulating opening and closing seats 33 and the bracket 30 are as follows: the opening and closing mechanism comprises a guide rod 31, a screw rod 32 and a third motor 35, the guide rod 31 is fixedly installed on the bracket 30, a first through hole 36 and a screw hole 37 are formed in the paired insulating opening and closing seats 33, the paired insulating opening and closing seats 33 are movably sleeved on the guide rod 31 through the through hole 36, paired external threads 38 with opposite screwing directions are arranged on the screw rod 32, the screw rod 32 is movably installed on the bracket 30 and is screwed in the screw hole 37 of the paired insulating opening and closing seats 33 through the paired external threads 38 with opposite screwing directions, the third motor 35 is fixedly installed on the bracket 30 and is in transmission connection with the screw rod 32 through a third coupler 39, the paired conductive clamping blocks 34 are respectively and fixedly installed on the paired insulating opening and closing seats 33, and the paired conductive clamping blocks 34 are electrically connected with the conductive plate 23 of the take-up and pay-off mechanism through a connecting lead wire 40.

The utility model discloses an earthing mechanism with automatically, receive and release line function when using, when needs realize the earthing function to transmission line, fix frame 0 earlier, then remove clamping mechanism to transmission line department through rocker mechanism, and arrange the transmission line both sides in with mated electrically conductive clamp splice 34, then third motor 35 through clamping mechanism drives lead screw 32 and rotates, drive mated insulating opening and closing seat 33 opposite direction through lead screw 32 and move, and then drive mated electrically conductive clamp splice 34 and transmission line clamp and press from both sides tight electricity and be connected, then rotate through first motor 24 drive main shaft 17 and wire reel 18, pay-off to earthing wire 19 through wire reel 18, make earthing wire 19's earthing terminal fall to ground, again by staff with earthing wire 19's earthing terminal ground connection, thereby realize the earthing function.

Claims

1. The utility model provides a ground mechanism with automatic receive and release line function which characterized in that: the wire winding and unwinding device comprises a machine base, a rocker arm mechanism, a wire winding and unwinding mechanism and a wire clamping mechanism, wherein the rocker arm mechanism comprises a first swing arm, a second swing arm, a third swing arm and a support plate, the first swing arm is movably connected with a first rotating mechanism, the second swing arm is movably connected with the first swing arm through a second rotating mechanism, the third swing arm is movably connected with the second swing arm through a third rotating mechanism, the machine base is fixedly arranged on the first rotating mechanism, the support plate is movably connected with the third swing arm through a fourth rotating mechanism, the wire winding and unwinding mechanism comprises a frame, a main shaft, a wire winding disc, a grounding lead, an insulating cylinder, an insulating base, an annular conducting plate, a conducting plate and a first motor, the frame is fixedly arranged on the support plate, the main shaft is movably arranged on the frame, the first motor is fixedly arranged on the frame and is in transmission connection with the main shaft, the wire winding disc is fixedly arranged on the main shaft, the front part of the wire spool is provided with an opening, the insulating cylinder is fixedly arranged on the frame and penetrates into the wire spool from the opening, an insulating cylinder is arranged in the wire spool, the annular conducting strip is fixedly sleeved outside the insulating cylinder, the insulating seat is fixedly arranged in the insulating cylinder, the conducting plate is fixedly arranged on the insulating seat, a splayed conducting pressing sheet is arranged on the conducting plate and pressed on the outer side of the annular conducting strip, the grounding wire is wound on the wire spool, one end part of the grounding wire penetrates inside the wire spool and is fixedly arranged in the insulating cylinder, the grounding wire in the insulating cylinder is electrically connected with the annular conducting strip, the wire clamping mechanism comprises a bracket, a pair of insulating opening and closing seats and a pair of conducting clamping blocks, the bracket is fixedly arranged on the supporting plate, and the pair of insulating opening and closing seats are movably arranged on the bracket, the pair of conductive clamping blocks are fixedly arranged on the pair of insulating opening and closing seats respectively, and are electrically connected with the conductive plates of the take-up and pay-off mechanism through connecting wires.

2. The grounding mechanism with automatic wire take-up and pay-off function as claimed in claim 1, wherein: first to fourth rotation mechanism is including shell seat, revolving stage, second motor and worm respectively, the week portion of revolving stage is provided with the worm wheel, the worm wheel is through mated first bearing movable mounting in the shell seat, worm movable mounting is in the shell seat to mesh mutually with the worm wheel, second motor fixed mounting is on the shell seat to be connected with worm transmission through the second shaft coupling, a tip of first swing arm and first rotation mechanism's revolving stage fixed connection, second rotation mechanism's shell seat fixed mounting is on another tip of first swing arm, a tip of second swing arm and second rotation mechanism's revolving stage fixed connection, the shell seat fixed mounting of third rotation mechanism is on another tip of second swing arm, a tip of third swing arm and third rotation mechanism's revolving stage fixed connection, fourth rotation mechanism's shell seat fixed mounting is on another tip of third swing arm, the support plate is fixedly arranged on a rotating table of the fourth rotating mechanism, and the machine base is fixedly arranged on a shell base of the first rotating mechanism.

3. The grounding mechanism with automatic pay-off and take-up function as claimed in claim 1 or 2, wherein: the mechanism that opens and shuts is including guide arm, lead screw and third motor, guide arm fixed mounting is on the bracket, through-hole and screw have been seted up on the insulating seat that opens and shuts in pairs, insulating seat that opens and shuts in pairs puts on the guide arm through-hole movable sleeve, be provided with on the lead screw and revolve to opposite mated external screw thread, lead screw movable mounting is on the bracket to put soon in the screw of insulating seat that opens and shuts in pairs through it to opposite mated external screw thread soon, third motor fixed mounting is on the bracket to be connected with screw drive through the third shaft coupling, the main shaft is through mated second bearing movable mounting on the frame, first motor is connected with spindle drive through first shaft coupling, insulating seat passes through branch fixed mounting in the insulator spindle.