CN109066456B - Device and method for replacing insulator - Google Patents

Abstract

The invention provides a device and a method for replacing insulators, belonging to the technical field of insulator replacement, comprising an outer stretcher and an inner stretcher; the outer stretcher includes two detachably connected first half rings A fixed member and a deadlift arm, the deadlift arm is fixed on the first semicircular fixed member; the inner stretcher includes two detachably connected second semicircular members, a wire rope, a ratchet and a ratchet operating rod The second semicircular ring fixing member is provided with a connecting through hole, the ratchet is arranged on the second semicircular member on one side of the connecting through hole, and one end of the wire rope is fixed on the connecting through hole through the connecting through hole. On the ratchet wheel, the ratchet wheel operating lever is used to operate the ratchet wheel to fasten the wire rope. The device and method for replacing the insulator provided by the present invention can protect the wire and reduce the construction strength while speeding up the replacement time.

Description

Apparatus and method for replacing insulators

technical field

The invention belongs to the technical field of insulator replacement, and more particularly relates to a device and method for replacing insulators.

Background technique

In the distribution network, tension rods, corner rods and terminal rods are widely used. Due to their functional characteristics, the composition of insulators is usually composed of multiple pieces. In the thunderstorm season, a single piece of insulators are sometimes broken down. At this time, the piece of insulator needs to be replaced. The existing replacement technical process is as follows: ① Construction workers climb the pole, and install a temporary cable on the opposite side of the single-piece insulator to be replaced; → ② After the cable is tightened, the construction The operator climbs the pole again, removes the wire tension clamp that needs to be replaced with a single-piece insulator, relaxes the wire with a wire tensioner and a traction rope, and places it in a safe place such as the ground; → ③ From the terminal rod, remove the insulator assembly. Completed, place the traction rope on the ground; →④Complete the replacement of the single-piece insulator on the ground; →⑤Install the insulator assembly; →⑥Install the wire and tighten the wire; →⑦Remove the temporary cable on the opposite side; →⑧Complete the elimination of defects .

The defects and deficiencies of the prior art are: first, the power outage time is long; second, the construction intensity of the operators on the pole is high; third, there is a high risk of frequent power failure complaints; Thereby reducing the tensile strength of the wire and shortening the service cycle.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device and method for replacing insulators, so as to solve the technical problems of long power failure time, high construction intensity and shortened service life of wires in the prior art.

In order to achieve the above object, the technical scheme adopted in the present invention is to provide a device for replacing an insulator, including an outer stretcher and an inner stretcher;

The outer stretcher includes two detachably connected first half-circle fixing members and a deadlift arm, and a first through hole for accommodating wires is formed in the middle of the two first half-circle fixing members, and the deadlift is the arm is fixed on the first half ring member;

The inner stretcher includes two detachably connected second semicircular members, a wire rope, a ratchet and a ratchet operating rod; a second through hole for accommodating the wire is formed in the middle of the two second semicircular fixing members, and the first The two half-circle fixing members are also provided with connecting through holes, the ratchet is arranged on the second semi-circular member on one side of the connecting through hole, and one end of the wire rope is fixed to the ratchet wheel through the connecting through hole The other end of the wire rope is detachably connected to the deadlift arm, and the ratchet operating rod is used to operate the ratchet to fasten the wire rope.

Further, it also includes a cross-arm tightening fixture, and the cross-arm tightening fixture includes a detachably connected first upper clip, a first lower clip, a connecting rod, and the first upper clip and the first lower clip. The plate is used to be fixed on the cross arm, one end of the first upper clip and the first lower clip is provided with a connecting member, and the connecting member and the second half-circle fixing member are detachable through the connecting rod. connect.

Further, the connecting rod is a screw rod, the second half-circle fixing member is provided with a first bolt through hole, the connecting member is provided with a second bolt through hole, and the two ends of the screw rod are respectively fixed with in the first bolt via hole and the second bolt via hole.

Further, it also includes a wire tightening clip, the wire tightening clip includes a second upper clip and a second lower clip that are detachably connected, and one end of the second upper clip is provided with a first support member, One end of the second lower clip is provided with a second support member, a third through hole for fastening the wire is arranged between the second upper clip and the second lower clip, and the first support member and The second support is used for laterally supporting the outer stretcher.

Further, a ratchet wheel sleeve is fixed on the ratchet wheel, an internal thread is provided on the ratchet wheel sleeve, and one end of the ratchet wheel operating rod is provided with a screw buckle matching the internal thread, and the ratchet wheel operating rod passes through the The ratchet sleeve drives the ratchet to fasten the wire rope.

Further, a connection collar is provided on the deadlift arm, and the connection collar is used for the connection between the deadlift arm and the steel wire rope.

Further, both ends of the first semi-circular ring fixing member are provided with connecting hinges, and the connecting hinges of the two first semi-circular ring fixing members are symmetrically fixed by screws.

Further, reinforcing ribs are provided on the detachably connected second upper clip and the second lower clip.

Further, rubber pads are provided on the sides of the inner stretcher and the outer stretcher in contact with the insulator.

Another object of the embodiments of the present invention is to provide an insulator replacement method using the above-mentioned device for replacing insulators. The method is used to replace damaged insulators located in the middle piece, including:

installing the inner stretcher on the inner side of the damaged insulator;

installing the outer tensioner on the outer side of the damaged insulator;

Connect the inner stretcher and the outer stretcher, empty the damaged insulator, and replace the damaged insulator.

The beneficial effect of the device and method for replacing insulators provided by the present invention is that compared with the prior art, the device for replacing insulators provided by the present invention adopts a variety of special devices to replace damaged insulators at different positions in a targeted manner. , the operation is simple and convenient, and it can protect the wire and reduce the construction strength while speeding up the replacement time.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a front view of a schematic structural diagram of an outer stretcher provided by an embodiment of the present invention;

2 is a left side view of a schematic structural diagram of an outer stretcher provided by an embodiment of the present invention;

3 is a right side view of a schematic structural diagram of an outer stretcher provided by an embodiment of the present invention;

4 is a front view of a schematic structural diagram of an inner stretcher provided by an embodiment of the present invention;

5 is a left side view of a schematic structural diagram of an inner stretcher provided by an embodiment of the present invention;

6 is a right side view of a schematic structural diagram of an inner stretcher provided by an embodiment of the present invention;

7 is a front view of a schematic structural diagram of a cross-arm fastening fixture provided in an embodiment of the present invention;

8 is a left side view of a schematic structural diagram of a cross-arm fastening fixture provided by an embodiment of the present invention;

9 is a top view of a schematic structural diagram of a cross-arm fastening fixture provided in an embodiment of the present invention;

10 is a front view of a schematic structural diagram of a wire fastening clip provided by an embodiment of the present invention;

11 is a left side view of a schematic structural diagram of a wire fastening clip provided by an embodiment of the present invention;

12 is a right side view of a schematic structural diagram of a wire fastening clip provided by an embodiment of the present invention;

FIG. 13 is a schematic diagram of different types of deadlift arms according to an embodiment of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Please refer to FIG. 1 to FIG. 6 together, and now the device for replacing the insulator provided by the present invention will be described. A device for replacing insulators, including an outer stretcher and an inner stretcher;

The outer stretcher includes two detachably connected first half-circle fixing members 101 and deadlift arms 102 , a first through hole 103 for accommodating wires is formed in the middle of the two first half-circle fixing members 101 , and the deadlift arm 102 be fixed on the first half ring member 101;

The inner stretcher includes two detachably connected second semicircular members 201, wire ropes 202, ratchets 203 and ratchet operating rods 204; a second through hole 205 for accommodating wires is formed in the middle of the two second semicircular fixing members 201. The two half-circle fixing members 201 are also provided with a connecting through hole 206, the ratchet 203 is arranged on the second semi-circular member on one side of the connecting through hole 206, and one end of the wire rope 202 passes through the connecting through hole 206 and is fixed on the ratchet wheel 203; The other end of the 202 is detachably connected to the deadlift arm 102 , and the ratchet lever 204 is used to operate the ratchet 203 to fasten the wire rope 202 .

In this embodiment, the first half-ring fixing member 101 is further provided with a threaded hole 104 , one end of the hard pull arm 102 is provided with an external thread, and the hard pulling arm 102 is fixed to the first half-ring fixing member through the threaded hole 104 On 101, there are multiple threaded holes 104 to ensure stable connection between the outer stretcher and the inner stretcher.

The beneficial effect of the device for replacing insulators provided by the embodiments of the present invention is that, compared with the prior art, the device for replacing insulators provided by the present invention adopts a variety of special devices to specifically replace damaged insulators at different positions. , the operation is simple and convenient, and it can protect the wire and reduce the construction strength while speeding up the replacement time.

Further, please refer to FIG. 7 to FIG. 9 together, as a specific embodiment of the device for replacing the insulator provided by the present invention, the device for replacing the insulator also includes a cross-arm tightening fixture, a cross-arm tightening fixture. The first upper clip 301 and the first lower clip 302 and the connecting rod 303 are detachably connected. The first upper clip 301 and the first lower clip 302 are used to be fixed on the cross arm. The first upper clip 301 One end of the first lower clip 302 is provided with a connecting member 304 , and the connecting member 304 is detachably connected with the second half-circle fixing member 201 through a connecting rod 303 .

In this embodiment, the first upper clip 301 and the second upper clip 302 are connected by a fixing screw 306 and a fixing nut 307 .

Further, please refer to FIG. 7 to FIG. 9 , as a specific embodiment of the device for replacing the insulator provided by the present invention, the connecting rod 303 is a screw rod, and the second semi-circular ring fixing member 201 is provided with a first bolt to pass through. In the hole 207 , the connecting member 304 is provided with a second bolt through hole 305 , and both ends of the screw rod are respectively fixed in the first bolt through hole 207 and the second bolt through hole 305 .

Further, please refer to FIG. 10 to FIG. 12 together, as a specific embodiment of the device for replacing insulators provided by the present invention, the device for replacing insulators also includes a wire tightening clip, a wire tightening clip. The second upper clip 401 and the second lower clip 402 are detachably connected. One end of the second upper clip 401 is provided with a first support 403, and one end of the second lower clip 402 is provided with a second support 404. There is a third through hole 405 between the two upper clips 401 and the second lower clip 402 for fastening wires, and the first support 403 and the second support 404 are used for laterally supporting the outer stretcher.

In this embodiment, the side surfaces of the first support member and the second support member are provided with semi-circular inner grooves 406, so that the side surfaces can support the outer stretcher.

Further, please refer to FIG. 7 to FIG. 9 together, as a specific embodiment of the device for replacing the insulator provided by the present invention, a ratchet sleeve 208 is fixed on the ratchet wheel 203, and the ratchet wheel sleeve 208 is provided with an internal thread One end of the ratchet operating rod 204 is provided with a turnbuckle matched with the internal thread, and the ratchet operating rod 204 drives the ratchet wheel 203 to fasten the wire rope 202 through the ratchet wheel sleeve 208 .

Further, please refer to FIG. 10 to FIG. 13 together, as a specific embodiment of the device for replacing the insulator provided by the present invention, the hard pull arm 102 is provided with a connection collar 105, and the connection collar 105 is used for hard pulling The connection between the pulling arm 102 and the wire rope 202 .

In this embodiment, the deadlift arm is fixed on the first half-circle fixing member 101 by bolts and screws, and the type of the deadlift arm can be determined according to the position of the damaged insulator to be replaced, and the length of the deadlift arm of different models different.

Further, referring to FIG. 1 to FIG. 6 , as a specific embodiment of the device for replacing insulators provided by the present invention, both ends of the first half-circle fixing member 101 are provided with connecting hinges 106, and the two The connecting hinges 106 of the half-circle fixing member 101 are symmetrically fixed by screws.

In this embodiment, correspondingly, both ends of the second half-circle fixing member 201 of the inner stretcher are also provided with connecting hinges 209, and the connecting hinges 209 of the two second half-circular fixing members 201 pass through The screw is fixed symmetrically.

Further, please refer to FIG. 10 to FIG. 12 together, as a specific embodiment of the device for replacing the insulator provided by the present invention, the detachably connected second upper clip 401 and the second lower clip 402 are Equipped with reinforcing ribs.

In this embodiment, the second upper clip 401 and the second lower clip 402 are connected by screws 407 , and reinforcing ribs are provided on the second upper clip 401 and the second lower clip 402 . The reinforcement ribs include transverse reinforcement ribs 408 and longitudinal reinforcement ribs 409 , and the transverse reinforcement ribs 408 and the longitudinal reinforcement ribs 409 are used to strengthen the connection between the second upper clip 401 and the second lower clip 402 .

Further, as a specific embodiment of the device for replacing the insulator provided by the present invention, rubber pads are provided on the sides of the inner stretcher and the outer stretcher that are in contact with the insulator to protect the insulator and prevent it from being pulled by the inner side. The stretcher and outer stretcher are crushed.

In this embodiment, the purpose of the rubber pads of the inner stretcher and the outer stretcher is to protect the undamaged insulators, and to avoid damage to the undamaged insulators when the damaged insulators are replaced.

The embodiment of the present invention also provides an insulator replacement method using the above-mentioned device for replacing insulators. The method is used to replace the damaged insulator located in the middle piece, including:

Install the inner tensioner on the inner side of the damaged insulator;

Install an outer tensioner on the outer side of the damaged insulator;

Connect the inner tensioner and outer tensioner, empty the damaged insulator, and replace the damaged insulator.

In this embodiment, the method further includes the replacement of the damaged insulator on the inner sheet:

Install the cross-arm fixing clamps at the cross-arm

Connect the cross arm fixing fixture and the inner stretcher;

Install an outer tensioner on the outer side of the damaged insulator;

Connect the inner tensioner and outer tensioner, empty the damaged insulator, and replace the damaged insulator.

The above method also includes the replacement of the damaged insulator on the outer sheet:

Install the inner tensioner on the inner side of the damaged insulator;

Install the wire tightening clip on the outside of the wire tension clip;

Connect the wire tightening clip and the outside tensioner;

Connect the inner tensioner and outer tensioner, empty the damaged insulator, and replace the damaged insulator.

The above method also includes the replacement of the entire set of insulators:

Install the cross-arm fixing fixture at the cross-arm;

Connect the cross arm fixing fixture and the inner stretcher;

Install the wire tightening clip on the outside of the wire tension clip;

Connect the wire tightening clip and the outside tensioner;

Connect the inner tensioner and outer tensioner, empty the damaged insulator, and replace the damaged insulator.

In the embodiment of the present invention, different appliances are selected for insulators at different positions, the operation is convenient and fast, and the applicability is more extensive.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (9)

1. a device for replacing an insulator, characterized in that, comprising: an outer stretcher, an inner stretcher and a cross-arm tightening fixture; The outer stretcher includes two detachably connected first half-circle fixing members and a deadlift arm, and a first through hole for accommodating wires is formed in the middle of the two first half-circle fixing members, and the deadlift is the arm is fixed on the first half ring member; The inner stretcher includes two detachably connected second half-circle fixing members, a wire rope, a ratchet and a ratchet operating rod; a second through hole for accommodating the wire is formed in the middle of the two second half-circle fixing members, The second half-ring fixing member is also provided with a connecting through hole, the ratchet is arranged on the second half-ring fixing member on one side of the connecting through hole, and one end of the wire rope passes through the connecting through hole. The hole is fixed on the ratchet; the other end of the wire rope is detachably connected to the deadlift arm, and the ratchet operating rod is used to operate the ratchet to fasten the wire rope; The cross arm fastening fixture includes a detachably connected first upper clip, a first lower clip, and a connecting rod, and the first upper clip and the first lower clip are used to be fixed on the cross arm, and the One end of the first upper clip and the first lower clip is provided with a connecting member, and the connecting member and the second half-circle fixing member are detachably connected through the connecting rod. 2 . The device for replacing insulators according to claim 1 , wherein the connecting rod is a screw rod, the second half-circle fixing member is provided with a first bolt through hole, and the connecting member is provided with a first bolt through hole. 3 . A second bolt through hole is provided, and both ends of the screw rod are respectively fixed in the first bolt through hole and the second bolt through hole. 3. The device for replacing an insulator according to claim 1, further comprising: a wire tightening clip, the wire tightening clip comprising a detachably connected second upper clip and a second lower clip A clip, one end of the second upper clip is provided with a first support, one end of the second lower clip is provided with a second support, and the second upper clip and the second lower clip are provided with a middle The third through hole of the wire is fastened, and the first support member and the second support member are used for laterally supporting the outer stretcher. 4 . The device for replacing insulators according to claim 1 , wherein a ratchet sleeve is fixed on the ratchet wheel, an internal thread is provided on the ratchet wheel sleeve, and one end of the ratchet wheel operating rod is provided with a The inner thread is matched with the screw buckle, and the ratchet operating rod drives the ratchet through the ratchet sleeve to fasten the wire rope. 5 . The device for replacing insulators according to claim 1 , wherein the deadlift arm is provided with a connection collar, and the connection collar is used for the connection between the deadlift arm and the steel wire rope. 6 . . 6 . The device for replacing insulators according to claim 1 , wherein one end of the first half-circle fixing member is provided with a connecting hinge, and the connection between the two first half-circle fixing members is 6 . The hinge is fixed symmetrically by the screw. 7 . The device for replacing insulators according to claim 3 , wherein the detachably connected second upper clip and the second lower clip are provided with reinforcing ribs. 8 . 8 . The device for replacing an insulator according to claim 1 , wherein the sides of the inner stretcher and the outer stretcher in contact with the insulator are provided with rubber pads. 9 . 9. An insulator replacement method using the device for replacing insulators as claimed in claim 1, the method being used to replace damaged insulators located in the middle piece, characterized in that, comprising: installing the inner stretcher on the inner side of the damaged insulator; installing the outer tensioner on the outer side of the damaged insulator; Connect the inner stretcher and the outer stretcher, empty the damaged insulator, and replace the damaged insulator.

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