CN212412622U - 220kV straight line cement pole electrified operation tool for replacing insulator string - Google Patents
220kV straight line cement pole electrified operation tool for replacing insulator string Download PDFInfo
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- CN212412622U CN212412622U CN202021416609.4U CN202021416609U CN212412622U CN 212412622 U CN212412622 U CN 212412622U CN 202021416609 U CN202021416609 U CN 202021416609U CN 212412622 U CN212412622 U CN 212412622U
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- cross arm
- main body
- arm main
- hoisting assembly
- cement pole
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Abstract
The utility model relates to an operation tool for replacing an insulator string of a 220kV linear cement pole in a charged manner, which comprises a temporary cross arm and a hoisting assembly; the temporary cross arm is an arched cross arm main body, through holes are symmetrically formed in the cross arm main body, the cross arm main body is fixed on a cross arm of the cement pole through arranging steel wire ropes in the through holes, U-shaped grooves are formed in two ends of the cross arm main body, and hoisting assembly connecting clamping grooves are formed in side plates of a groove body on two sides of each U-shaped groove; the hoisting assembly is composed of a manual hoist and a bearing lead screw, the two ends of the bearing lead screw are connected with the hoisting assembly connecting clamping groove and fixed in the hoisting assembly connecting clamping groove, and the manual hoist is respectively arranged at two sides of the cross arm main body through the bearing lead screw. Through the utility model discloses the multiplexer utensil can accomplish the operation that 220kV straight line cement pole electrified changed insulator chain portably, has solved the heavy problem of 220kV straight line cement pole change insulator chain operation, reduces the use of manpower, material resources to reduce intensity of labour, easily popularization and application.
Description
Technical Field
The utility model relates to an electric power overhauls operation utensil, in particular to 220kV straight line cement pole electrified operation multiplexer utensil of changing insulator chain.
Background
The insulator string refers to an assembly of two or more insulator elements combined together to flexibly suspend a wire. The insulator string is provided with a protection device required for fixing and running, the upper end of the insulator string is hung on the cross arm of the linear cement pole, the lower end of the insulator string is used for hanging a conducting wire, and the conducting wire can be insulated from a pole tower and the ground through the insulator string.
When a live-line worker replaces a 220kV linear cement pole insulator string, generally, a lead is connected with the lower end of the insulator string, the lead and the insulator string are simultaneously pulled up by one or two sets of insulating pulley blocks through a hanging point on a cross arm, and then the upper end of the insulator string is hung on the cross arm of the linear cement pole. However, since the cross arm of the 220kV cement pole is of a single cement cross arm structure, a plurality of hanging points on the cross arm are all gathered together, which causes mutual influence during operation and low operation efficiency. Meanwhile, the weight load of the conducting wire and the insulator string on the insulating pulley block is large, and the safety is low. In addition, the cross arm of the cement pole is not provided with a hanging point for hanging the protection rope independently, and the operating personnel has high falling risk.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a structural design is with strong points, the reliable operation multiplexer utensil of insulator chain is changed in 220kV straight line cement pole electrification.
The utility model adopts the technical proposal that:
an operation tool for replacing an insulator string of a 220kV linear cement pole in a charged manner comprises a temporary cross arm and a hoisting assembly; the temporary cross arm is an arched cross arm main body, through holes are symmetrically formed in the cross arm main body, the cross arm main body is fixed on a cross arm of the cement pole through arranging steel wire ropes in the through holes, U-shaped grooves are formed in two ends of the cross arm main body, and hoisting assembly connecting clamping grooves are formed in side plates of a groove body on two sides of each U-shaped groove; the hoisting assembly is composed of a manual hoist and a bearing lead screw, the two ends of the bearing lead screw are connected with the hoisting assembly connecting clamping groove and fixed in the hoisting assembly connecting clamping groove, and the manual hoist is respectively arranged at two sides of the cross arm main body through the bearing lead screw.
Preferably, a semicircular ring capable of hanging the protection rope is arranged at the center of the top surface of the cross arm main body.
Preferably, the working tool is further provided with a foot support, and the foot support is fixedly hung on the semicircular ring through a hanging rod.
Preferably, the foot support is made of an insulating material.
Preferably, the opening of the groove body of the hoisting component connecting clamping groove is provided with a pin capable of horizontally rotating.
Preferably, the cross arm body is further provided with a bolt which is screwed and can be inserted into the through hole to abut against the wire rope.
The utility model has the advantages that:
1. the utility model discloses it is complicated to hang some on the single cement cross arm when can effectively solving live working, and the chaotic problem of operation point can strengthen the operation standardization, increases the operating efficiency.
2. The utility model discloses a hoist and mount subassembly perfect replacement insulation pulley block can reduce manpower and materials input, improves the operation security.
3. The utility model discloses structural design is with strong points, simple to operate is reliable, easily popularizes and applies.
4. Through the utility model discloses live working personnel can utilize interim cross arm atress, are convenient for change insulator chain, ensure personal safety better.
5. Through the utility model discloses can optimize operation number ratio, reduce intensity of labour and operating cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
in the figure 1, 1-temporary cross arm, 2-hoisting component, 3-cross arm main body, 4-through hole, 5-cross arm of cement pole, 6-U-shaped groove, 7-hoisting component connecting clamping groove, 8-hand block, 9-bearing lead screw, 10-semicircular ring, 11-foot support, 12-hanging connecting rod, 13-pin and 14-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described, clearly and completely, and the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, in the accompanying drawings of the embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
As shown in figure 1, the utility model relates to a 220kV straight line cement pole electrified work tool that changes insulator chain, this work tool include interim cross arm 1 and hoist and mount subassembly 2 constitution. Interim cross arm 1 is arch cross arm main part 3, and the symmetry is equipped with through-hole 4 on the cross arm main part 3, and cross arm main part 3 is fixed on the cross arm 5 of cement pole through set up wire rope in through-hole 4, and the both ends of cross arm main part 3 are equipped with U type groove 6, are equipped with hoist and mount subassembly connecting groove 7 on the cell body curb plate of U type groove 6 both sides. The hoisting assembly 2 is composed of a hand hoist 8 and a bearing lead screw 9, the two ends of the bearing lead screw 9 are led out of the hoisting assembly connecting clamping groove 7 and are fixed in the hoisting assembly connecting clamping groove 7, and the hand hoist 8 is respectively arranged at the two sides of the cross arm main body 3 through the bearing lead screw 9.
During the use, whether at first the inspection is temporarily cross arm 1 is connected firmly with the cross arm 5 of cement pole, then whether inspection load lead screw 9 and hoist and mount subassembly connecting clamping groove 7 complete joint. After the inspection is finished, the insulator string can be replaced, the insulator string is pulled up through the hanging points on the cross arm of the cement pole, the upper end of the insulator string is hung on the cross arm 5 of the linear cement pole, and then the wires are pulled up by using the manual hoists 8 on the two sides of the cross arm main body 3; at the moment, the gravity loads of the lead and the insulator string are borne by the cross arm 5 of the cement rod, so that the lead can be easily suspended at the lower end of the insulator string; and finally, loosening the hand-operated hoist 8 to separate the hand-operated hoist 8 from the lead, thereby finishing the insulator string replacement operation of the 220kV linear cement pole.
Because the cross arm 5 of the cement pole is not provided with a hanging point for hanging the protection rope independently, the operating personnel has high falling risk. Therefore, the utility model discloses a center department of 3 top surfaces of cross arm main part still is equipped with the semicircle ring 10 that can articulate the protection rope to this provides the hanging point of protection rope.
In addition, this operation tool still is equipped with foot's eyelidretractor 11, and foot's eyelidretractor 11 connects on semicircle ring 10 through hanging pole 12 is fixed, and it is more convenient to operate on the cross arm 5 of cement pole through foot's eyelidretractor 11, and foot's eyelidretractor 11 adopts insulating material to make, further protects operation personnel's safety.
In order to further guarantee the clamping stability of the bearing lead screw 9 and the hoisting assembly connecting clamping groove 7, a pin 13 capable of horizontally rotating is further arranged at the opening of the groove body of the hoisting assembly connecting clamping groove 7, and the bearing lead screw 9 can be prevented from being separated from the hoisting assembly connecting clamping groove 7 by additionally arranging the pin 13 capable of horizontally rotating.
In order to ensure that the temporary cross arm 1 is firmly connected with the cross arm 5 of the cement pole, the cross arm main body 3 is further provided with a bolt 14 which is connected with the screw thread and can be inserted into the through hole 4 to be abutted against the steel wire rope, and the bolt 14 is abutted against the steel wire rope to ensure that the temporary cross arm 1 is firmly connected with the cross arm 5 of the cement pole.
Claims (6)
1. The utility model provides a 220kV straight line cement pole electrified operation multiplexer utensil of changing insulator chain which characterized in that: the operation tool comprises a temporary cross arm and a hoisting assembly; the temporary cross arm is an arched cross arm main body, through holes are symmetrically formed in the cross arm main body, the cross arm main body is fixed on a cross arm of the cement pole through arranging steel wire ropes in the through holes, U-shaped grooves are formed in two ends of the cross arm main body, and hoisting assembly connecting clamping grooves are formed in side plates of a groove body on two sides of each U-shaped groove; the hoisting assembly is composed of a manual hoist and a bearing lead screw, the two ends of the bearing lead screw are connected with the hoisting assembly connecting clamping groove and fixed in the hoisting assembly connecting clamping groove, and the manual hoist is respectively arranged at two sides of the cross arm main body through the bearing lead screw.
2. The work tool of claim 1, wherein: and a semicircular ring capable of hanging the protection rope is arranged at the center of the top surface of the cross arm main body.
3. The work tool of claim 2, wherein: the working tool is also provided with a foot support which is fixedly hung on the semicircular ring through a hanging rod.
4. The work tool of claim 3, wherein: the foot support is made of an insulating material.
5. The work tool of claim 1, wherein: the groove body opening part of hoisting component connecting clamping groove is equipped with can the horizontal pivoted pin.
6. The work tool of claim 1, wherein: the cross arm main body is further provided with a bolt which is in threaded connection and can be inserted into the through hole to be abutted against the steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021416609.4U CN212412622U (en) | 2020-07-17 | 2020-07-17 | 220kV straight line cement pole electrified operation tool for replacing insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021416609.4U CN212412622U (en) | 2020-07-17 | 2020-07-17 | 220kV straight line cement pole electrified operation tool for replacing insulator string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212412622U true CN212412622U (en) | 2021-01-26 |
Family
ID=74404518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021416609.4U Active CN212412622U (en) | 2020-07-17 | 2020-07-17 | 220kV straight line cement pole electrified operation tool for replacing insulator string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212412622U (en) |
-
2020
- 2020-07-17 CN CN202021416609.4U patent/CN212412622U/en active Active
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