CN205429570U - Electrified instrument of installing ground connection link on high voltage insulation circuit - Google Patents

Abstract

The utility model relates to a tool for live-installing a grounding hanging ring on a high-voltage insulated line, which belongs to the technical field of cable or electric wire installation. The tool for installing the grounding ring with electricity includes a fixed seat, an operating arm and a support frame; the fixed seat is a hoop structure, which matches the outer diameter of the pole in the power transmission line, and an annular slide is set on the outer wall of the fixed seat. Slot; the operating arm is a telescopic structure, its lower end is fitted with a slider and an annular chute, and a ball hinge seat is set at its upper end; one end of the support frame is fitted with a ball hinge seat, and the The locking pin in the head hinge seat limits the spatial state of the support frame, and two magnets for absorbing the grounding ring are arranged symmetrically at the other end of the support frame, and the magnets are assembled with the magnet slide rails arranged on the support frame. The utility model solves the live installation problem of the grounding ring of the high-voltage insulating line, ensures the safe operation of the transmission line, and reduces the maintenance cost of the high-voltage insulating line.

Description

A tool for live installation of grounding rings on high-voltage insulated lines

technical field

The utility model relates to an installation tool for live installation of a grounding hanging ring on a high-voltage insulated wire, which belongs to the technical field of installation of cables or wires.

Background technique

In my country's urban or rural areas, high-voltage distribution overhead lines generally use insulated conductors. But at present, some high-voltage insulated conductors are not equipped with grounding rings during the erection process, which brings inconvenience to the operation of electrical inspection and grounding wires. To solve this problem, it is necessary to install grounding rings on the high-voltage insulated wires of transmission lines.

As shown in accompanying drawings 1 and 2, a puncture-type grounding link 1 suitable for insulated wires includes a wire clamp 1-1, a link body 1-2 and a compression bolt assembly 1-3, wherein the link body The exposed part of the ground terminal of 1-2 is used to hang the ground wire, and the wire clamp 1-1 is provided with a wire clamping groove and a hanging ring clamping groove, and a locking tooth 1-1-1 is set on the inner wall of the wire clamping groove, which can be Tighten the compression bolt to make the locking teeth 1-1-1 pierce the insulating layer 2-1 of the insulated wire 2, so that the hanging ring in the hanging ring slot can obtain a short-circuit current. At present, for the installation of the above-mentioned puncture-type grounding link 1 , most of them use power-off operations or use high-altitude live working vehicles, which affect the normal operation of the transmission line and cause high construction costs.

Utility model content

The purpose of this utility model is to aim at the drawbacks of the prior art, to provide a tool for installing a grounding hanging ring on a high-voltage insulated line with easy operation and reliable performance, so as to ensure the safe operation of the transmission line and reduce the maintenance cost of the high-voltage insulated line .

The above-mentioned purpose of the utility model is achieved through the following technical solutions:

A tool for live-installing a grounding link on a high-voltage insulated line, including a fixing seat, an operating arm and a support frame; the fixing seat is a hoop structure, which matches the outer diameter of the pole in the power transmission line, and is outside the fixing seat An annular chute is set on the wall; the operating arm is a telescopic structure, the lower end of which is assembled with the annular chute through a slider, and a ball joint hinge seat is set at its upper end; one end of the support frame is matched with the ball joint hinge seat. The space state of the support frame is defined by the locking pin penetrating into the ball joint hinge seat, and two magnets for absorbing the grounding ring are symmetrically arranged at the other end of the support frame. Magnetic slide assembly.

The above-mentioned tool for installing the grounding link on the high-voltage insulated line with electricity is also provided with a set of pull ropes, which include a first pull rope for driving two magnets to separate from the grounding link, and a set of pull ropes for tightening the compression bolts. The second stay rope and the third stay rope used to release the locked state of the support frame are provided with a stay rope control box at the operating end of the stay rope; the number of the first stay rope is two, and its fixed ends are respectively symmetrical to The two set magnets are connected; the number of the second pull rope matches the number of the tightening bolt assembly, and its fixed end is wound on the sleeve of the tightening bolt assembly; the fixed end of the third pull rope is connected with the locking pin.

In the above-mentioned tool for installing a grounding link on a high-voltage insulated line with electricity, the upper end of the operating arm is also provided with a pulley bracket, and a pulley for controlling the steering of the pull rope is installed on the pulley bracket.

As for the above-mentioned tool for installing a grounding link with electricity on a high-voltage insulated line, the lower end of the operating arm is also provided with a space angle adjustment mechanism, and the space angle adjustment mechanism includes a pin shaft and a ratchet and pawl transmission assembly, which is limited by the ratchet and pawl transmission assembly. The operating arm rotates freely clockwise under the action of gravity.

The above-mentioned tool for live-installing the grounding link on the high-voltage insulated line is also provided with a locking mechanism for limiting the position of the operating arm in the annular chute of the fixing seat, and the locking mechanism includes a locking plate and a card slot; The locking plate is evenly arranged along the circumference of the fixing seat, and is hingedly assembled with the fixing seat; the card slot is located on the slider fixing seat at the lower end of the operating arm.

As for the above-mentioned tool for installing the grounding ring with electricity on the high-voltage insulated line, the support frame is provided with a wedge-shaped guide element for guiding the insulated wire into the wire slot of the grounding ring, and the wedge-shaped guide element is symmetrically arranged on both sides of the grounding ring. side.

The above-mentioned tool for installing the grounding link on the high-voltage insulated line with electricity is also provided with a buzzer for prompting that the compression bolt is tightened in place. The buzzer is installed on the support frame or the operating arm, and its two contacts are connected to the The exposed part of the ground end of the ground hanging ring is connected.

When the utility model is performing the installation operation of the grounding ring of the high-voltage insulated line, the fixing seat of the clamp structure can be installed on the pole of the transmission line, and the grounding ring to be installed can be adsorbed on the supporting frame by the magnet provided on the supporting frame , and then insert the locking pin into the ball joint seat to limit the spatial state of the support frame; then, through the cooperation of the slider at the lower end of the operating arm and the ring-shaped chute on the outer wall of the fixing seat, the operating arm is within 360° of the horizontal plane. Adjust the position of the operating arm, adjust the angle between the operating arm and the central axis of the pole through the space angle adjustment mechanism at the lower end of the operating arm, and adjust the length of the operating arm with a telescopic structure so that the support frame matched with the upper end of the operating arm is in the grounding position The best position for ring installation, operate the third pull rope used to release the locking state of the support frame, so that the support frame and the wire follow up, and under the guidance of the guide element, the insulated wire enters the wire clamping groove of the grounding ring; operation The second pull rope used to tighten the compression bolt makes the insulated wire be clamped by the grounding ring wire slot, and the teeth on the inner wall of the wire slot pierce the insulation layer of the insulated wire, so that the hanging ring is stuck in the slot. The body of the hanging ring obtains short-circuit current, and stops the operation of the second pull rope when the buzzer sounds; operate the first pull rope used to drive the two magnets to separate from the grounding ring, so that the two magnets are connected to the grounding ring Separate to complete the installation of the grounding ring. It can be seen that the utility model solves the live installation problem of the grounding ring of the high-voltage insulated line, ensures the safe operation of the transmission line, and reduces the maintenance cost of the high-voltage insulated line.

Description of drawings

Fig. 1 is a schematic diagram of the relationship between the grounding ring and the wire assembly involved in the utility model;

Fig. 2 is a schematic diagram of A-A section structure in Fig. 1;

Fig. 3 is the front view of the tool for live installation of the grounding link on the high-voltage insulated line described in the utility model;

Figure 4 is an enlarged view of the structure at I in Figure 3;

Fig. 5 is B-B sectional structure schematic diagram among Fig. 4 (after enlargement);

Fig. 6 is an enlarged view of the structure at II in Fig. 3;

Fig. 7 is a top view of a tool for live-installing a grounding link on a high-voltage insulated line according to the utility model;

Fig. 8 is a schematic diagram of the C-C section structure in Fig. 7;

Fig. 9 is a schematic diagram of the working state of the tool for installing the grounding link on the high-voltage insulated line according to the utility model.

The list of symbols in the figure is:

1. Grounding ring, 1-1, wire clip, 1-1-1, locking teeth, 1-2, hanging ring body, 1-3, compression bolt assembly, 2, insulated wire, 2-1, insulating layer , 3. Grounding ring installation tool, 3-1, fixed seat, 3-1-1, annular chute, 3-1-2, locking plate, 3-2, operating arm, 3-2-1, Ball joint seat, 3-2-2, pulley bracket, 3-2-3, pulley, 3-3, support frame, 3-3-1, wedge guide element, 3-3-2, magnet, 3-3 -3, magnet slide rail, 3-4, locking pin, 3-5, buzzer, 3-5-1, contact point, 3-6, slider fixing seat, 3-7, slider, 3- 8. Pin shaft, 3-9, ratchet pawl transmission assembly, 3-10, pull rope control box, 3-11, card slot, 4, electric pole;

S, pull rope, S1, the first pull rope, S2, the second pull rope, S3, the third pull rope.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, and Fig. 7, the tool 3 for installing the grounding link with electricity according to the utility model includes a fixed seat 3-1, an operating arm 3-2 and a support frame 3-3; The fixing seat 3-1 is a hoop structure, which matches the outer diameter of the pole 4 in the power transmission line, and an annular chute 3-1-1 is arranged on the outer wall of the fixing seat 3-1; the operating arm 3-2 It is a telescopic structure, its lower end is assembled with the annular chute 3-1-1 through the slider 3-7, and a ball joint hinge seat 3-2-1 is arranged at its upper end; one end of the support frame 3-3 is connected with the ball The head hinge seat 3-2-1 is assembled, and the space state of the support frame 3-3 is limited by the locking pin 3-4 penetrating into the ball joint hinge seat 3-2-1, at the other end of the support frame 3-3 Two magnets 3-3-2 for absorbing the grounding ring 1 are arranged symmetrically, and the magnets 3-3-2 are assembled with the magnet slide rail 3-3-3 arranged on the support frame 3-3.

Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the tool 3 for installing the grounding ring with electricity according to the utility model is also provided with a set of stay ropes S, and the stay rope S includes two magnets for driving 3-3- 2 The first pull rope S1 separated from the grounding ring 1, the second pull rope S2 used to tighten the compression bolt, and the third pull rope S3 used to release the locked state of the support frame 3-3, on the pull rope S The operating end is provided with a stay cord control box 3-10; the quantity of the first stay cord S1 is two, and its fixed ends are respectively connected with two symmetrically arranged magnets 3-3-2; the second stay cord The number of S2 matches the number of tightening bolt assemblies 1-3, and its fixed end is wound on the sleeve of the tightening bolt assembly; the fixed end of the third stay rope S3 is connected with the locking pin 3-4.

Referring to Fig. 4, the tool 3 of the live installation grounding hanging ring described in the utility model is also provided with a pulley bracket 3-2-2 at the upper end of the operating arm 3-2, and the pulley bracket 3-2-2 is installed for Pulley 3-2-3 to control pulley steering.

Referring to Fig. 6, the tool 3 of the utility model for installing the grounding hanging ring with electricity is also provided with a space angle adjustment mechanism at the lower end of the operation arm 3-2, and the space angle adjustment mechanism includes a pin shaft 3-8 and a ratchet pawl The transmission assembly 3-9 restricts the free rotation of the operating arm 3-2 in the clockwise direction under the action of gravity through the ratchet and pawl transmission assembly 3-9. The tool 3 of the live installation grounding link described in the utility model is also provided with a locking mechanism for limiting the position of the operating arm 3-2 in the annular chute 3-1-1 of the fixed seat 3-1; the locking mechanism It includes a locking plate 3-1-2 and a card slot 3-11, the locking plate 3-1-2 is evenly arranged along the circumference of the fixing seat 3-1, and is hingedly assembled with the fixing seat 3-1; the card slot 3-11 is located on the slider holder 3-6 at the lower end of the operating arm 3-2.

Referring to Fig. 7 and Fig. 8, the tool 3 for live installation of the grounding ring according to the utility model is also provided with a wedge-shaped guide element 3-3 on the support frame 3-3 for guiding the insulated wire 2 into the wire slot of the grounding ring. 3-1, the wedge-shaped guide elements 3-3-1 are symmetrically arranged on both sides of the grounding ring 2 .

Referring to Fig. 3 and Fig. 4, the tool 3 for live installation of the grounding ring described in the utility model is also provided with a buzzer 3-5 for prompting that the compression bolt is screwed in place, and the buzzer 3-5 is installed on the support On the frame 3-3 or the operating arm 3-2, its two contacts 3-5-1 are connected in a detachable manner with the exposed part of the grounding end of the hanging ring body 1-2 of the grounding hanging ring 1.

Referring to Fig. 3 to Fig. 9, the tool 3 for installing the grounding link with electricity according to the utility model performs the following operation steps when performing the installation operation of the grounding link for the high-voltage insulated line:

1. Install the fixing seat 3-1 of the clamp structure on the pole 4 of the transmission line, and the magnet 3-3-2 set on the support frame 3-3 will adsorb the grounding ring 1 to be installed on the support frame 3- 3, the two contacts 3-5-1 of the buzzer 3-5 are connected to the exposed part of the grounding end of the grounding ring 1 in a detachable manner;

2. Insert the locking pin 3-4 into the ball joint seat 3-2-1 at the upper end of the operating arm 3-2 to limit the spatial state of the support frame;

3. Through the cooperation of the slider 3-7 located at the lower end of the operating arm 3-2 and the ring-shaped chute 3-1-1 on the outer wall of the fixing seat 3-1, the operating arm 3-2 can move within 360° in the horizontal plane. Adjustment, adjust the angle between the operating arm 3-2 and the central axis of the pole 4 through the space angle adjustment mechanism at the lower end of the operating arm 3-2, and adjust the length of the operating arm 3-2 of the telescopic structure so that it is aligned with the upper end of the operating arm 3-2. The matching support frame 3-3 is in the best position for the installation of the grounding ring;

4. Operate the third pull rope S3 used to release the locked state of the support frame 3-3, so that the support frame 3-3 and the insulated wire 2 follow the movement, and the insulated wire enters under the guidance of the wedge-shaped guide element 3-3-1 In the wire slot of the grounding ring 1;

5. Operate the second pull rope S2 for tightening the compression bolt, drive the nut sleeve of the compression bolt assembly 1-3 to rotate through the fixed end of the second pull rope S2, and clamp it through the wire slot of the grounding ring 1 Insulate the wire 2, and pierce the insulating layer 2-1 of the insulated wire 2 by the teeth 1-1-1 on the inner wall of the wire clamping groove, so that the hanging ring body 1-2 in the hanging ring clamping groove obtains a short-circuit current until Stop the operation of the second pull cord S2 after the buzzer 3-5 sends out the prompt sound;

6. The operation is used to drive the first pull rope S1 separating the two magnets 3-3-2 from the grounding link 1, so that the two magnets 3-3-2 are separated from the grounding link 1, and the grounding link 1 is installed on the Insulated wire 2;

7. Remove the grounding ring installation tool 3 from the pole 4 to complete the installation of the grounding ring 1 .

Claims (7)

1. the charged instrument installing ground connection link on High-Voltage Insulation circuit, is characterized in that, the described charged instrument (3) installing ground connection link includes fixing seat (3-1), motion arm (3-2) and bracing frame (3-3)；Described fixing seat (3-1) is yoke configurations, mates with the outside dimension of electric pole in transmission line of electricity (4), arranges circular track (3-1-1) on fixing seat (3-1) lateral wall；Described motion arm (3-2) is telescopic structure, and its lower end is equipped with circular track (3-1-1) by slide block (3-7), and end arranges bulb hinged seat (3-2-1) thereon；Support frame as described above (3-3) one end is equipped with bulb hinged seat (3-2-1), the spatiality of bracing frame (3-3) is limited by penetrating the lock pin (3-4) in bulb hinged seat (3-2-1), the other end at bracing frame (3-3) is symmetrical arranged two pieces and is equipped with the Magnet slide rail (3-3-3) being arranged on bracing frame (3-3) for the Magnet (3-3-2) adsorbing ground connection link (1), described Magnet (3-3-2).

The charged instrument installing ground connection link on High-Voltage Insulation circuit the most according to claim 1, it is characterized in that, the described charged instrument (3) installing ground connection link also sets up one group of stay cord (S), described stay cord (S) includes the first stay cord (S1) for driving two pieces of Magnet (3-3-2) to separate with ground connection link (1), is used for screwing second stay cord (S2) of hold-down bolt and being used for releasing the 3rd stay cord (S3) of bracing frame (3-3) lockup state, is provided with stay cord control chamber (3-10) in the operating side of stay cord (S)；The quantity of described first stay cord (S1) is two, and its fixing end is connected with symmetrically arranged two pieces of Magnet (3-3-2) respectively；Described second stay cord (S2) quantity and screwing bolts assembly (1-3) quantity Matching, its fixing end is wrapped on the sleeve of screwing bolts assembly；The fixing end of described 3rd stay cord (S3) is connected with lock pin (3-4).

The charged instrument installing ground connection link on High-Voltage Insulation circuit the most according to claim 2, it is characterized in that, described motion arm (3-2) upper end is additionally provided with pulley bracket (3-2-2), is used for controlling the pulley (3-2-3) that stay cord turns to upper installation of described pulley bracket (3-2-2).

The charged instrument installing ground connection link on High-Voltage Insulation circuit the most according to claim 3, it is characterized in that, described motion arm (3-2) lower end is additionally provided with space angle guiding mechanism, described space angle guiding mechanism includes bearing pin (3-8) and click transmission component (3-9), limits motion arm (3-2) by click transmission component (3-9) the most clockwise freely rotatable.

5. according to the charged instrument installing ground connection link on High-Voltage Insulation circuit described in claim 4, it is characterized in that, the described charged instrument (3) installing ground connection link is additionally provided with for limiting motion arm (3-2) lockable mechanism of position in fixing seat (3-1) circular track (3-1-1)；Described lockable mechanism includes locking plate (3-1-2) and draw-in groove (3-11), and described locking plate (3-1-2) is evenly arranged, with fixing seat (3-1) hinge mounted along fixing seat (3-1) circumference；Described draw-in groove (3-11) is positioned at the slide block of motion arm (3-2) lower end to be fixed on seat (3-6).

The charged instrument installing ground connection link on High-Voltage Insulation circuit the most according to claim 5, it is characterized in that, being additionally provided with on support frame as described above (3-3) for guiding insulated conductor (2) to enter the wedge shape director element (3-3-1) of ground connection link wire draw-in groove, described wedge shape director element (3-3-1) is arranged symmetrically in the both sides of ground connection link (2).

The charged instrument installing ground connection link on High-Voltage Insulation circuit the most according to any one of claim 1 to 6, it is characterized in that, the described charged instrument (3) installing ground connection link is additionally provided with the buzzer (3-5) put in place for pointing out hold-down bolt to screw, described buzzer (3-5) is arranged on bracing frame (3-3) or motion arm (3-2), and two contact (3-5-1) is connected with the earth terminal exposed part of ground connection link (1).