CN103532046B - A kind of straight line pole changes operational method and the device that strain section installs on-pole switch additional - Google Patents
A kind of straight line pole changes operational method and the device that strain section installs on-pole switch additional Download PDFInfo
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- CN103532046B CN103532046B CN201310485467.5A CN201310485467A CN103532046B CN 103532046 B CN103532046 B CN 103532046B CN 201310485467 A CN201310485467 A CN 201310485467A CN 103532046 B CN103532046 B CN 103532046B
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Abstract
The present invention relates to 10kV live working of distribution network field, particularly relate to a kind of straight line pole and change operational method and the device that strain section installs on-pole switch additional, it is characterized in that, by having assisted lifting and the decline of wire from hanging insulator crossarm, then complete the in place of on-pole switch by aerial lift device with insulated arm, turn on-load whole installing additional in the work flow of on-pole switch without the need to equipment.Compared with prior art, the invention has the beneficial effects as follows: 1) adopt live line working technology, do not affect the electricity consumption of circuit lower end enterprise, directly can throw after on-pole switch installation and use use, without the need to end load under reduction process point, decrease the number participating in operating personnel, shorten overall operation duration; 2) to be sling on-pole switch by the insulation arm of aerial lift device with insulated arm, and complete the installation of on-pole switch, reducing the labour intensity of operating personnel in insulation bucket; Decrease the participation of lifting vehicle, significantly reduce task difficulty.
Description
Technical field
The present invention relates to 10kV live working of distribution network field, particularly relate to a kind of straight line pole and change operational method and the device that strain section installs on-pole switch additional.
Background technology
At present, the live line working of power distribution network is the main direction of studying of power distribution network operation technique, and hot line maintenance is the Main Means solving power distribution network uninterrupted operation.Such as changing strain section at straight line pole installs additional in the operation of on-pole switch, mainly utilizes equipment to turn on-load to reach the object of uninterrupted operation, but due to operation participant many, also need truck crane compounding practice, therefore length consuming time, difficulty is large, labour intensity is large, is unfavorable for promoting the use of.
Summary of the invention
The object of this invention is to provide a kind of straight line pole and change operational method and the device that strain section installs on-pole switch additional, utilize simply from hanging insulator crossarm device, realize on-load operation, reduce task difficulty and labour intensity, shorten consuming time, reach that few people carries out, the object of uninterrupted operation.
To achieve these goals, the present invention is by the following technical solutions:
A kind of straight line pole changes the operational method that strain section installs on-pole switch additional, by having assisted lifting and the decline of wire from hanging insulator crossarm, then the in place of on-pole switch is completed by aerial lift device with insulated arm, turn on-load whole installing additional in the work flow of on-pole switch without the need to equipment, its concrete operation step is as follows:
1) two operating personnels respectively use an aerial lift device with insulated arm respectively in the both sides of electric pole, to gold utensil on the wire in job area and bar simultaneously, synchronously carry out insulation and cover, during operation according to by near to far, the order of earth electrode sets gradually insulation masking material from the bottom to top, after ecto-entad, first electrified body;
2) will be installed to the head of the mast as far as possible from hanging insulator crossarm, hoisting depth when ensureing traction wire meets job requirements, confirms firm and reliable connection after installation;
3) the insulation suspension hook on hanging insulator crossarm is connected with wire, untie the binding wire of fixing cord and single cross-arm, promote insulating hanging hook block and play wire, wire and single cross-arm are departed from, remove the single cross-arm on electric pole, two operating personnels cooperatively interact and embrace cross-arm by first group and be arranged on the position of single cross-arm, then embrace on cross-arm in this group and arrange insulation masking material;
Operating personnel is installed to electric pole by embracing cross-arm for second group of fixing on-pole switch, and two groups of spacings of embracing cross-arm should meet the job requirements that on-pole switch is installed, and the lead-in wire of on-pole switch both sides should complete installation on the ground;
4) to be sling by on-pole switch with the insulation arm of aerial lift device with insulated arm and deliver to second group and embrace on cross-arm, two operating personnels cooperatively interact and on-pole switch is fixed to second group embraces on cross-arm; Wire is fallen by the insulation suspension hook of operating personnel's operation on hanging insulator crossarm; Operating personnel adopts insulation wire grip stringing lead, and utilize insulation tension wire clamp that electric pole both sides wire is fixed on first group and embrace on cross-arm, wire is removed from hanging insulator crossarm after all fixing;
5) operating personnel carries out on-pole switch and connects lead-in wire, should determine that on-pole switch is in out position, be connected respectively by the lead-in wire of on-pole switch both sides with wire before connecing lead-in wire; After lead-in wire connects, close on-pole switch, tests stream to on-pole switch both sides lead-in wire, confirm through-flow normal after, cutting off wire apart from both sides insulation tension wire clamp central spot;
6) remove insulation to cover, according to from far near, from top to bottom, from inside to outside, first ground connection after this order of electrified body carry out successively;
7) operating personnel returns to ground, the end of job.
Use in said method from hanging insulator crossarm, comprise cross-arm main body, metal holder, tension soft ribbons and insulation suspension hook, curved metal upwarps holder two ends the top being located at cross-arm main body, one end of tension soft ribbons is connected the one end of holding in the palm with metal, metal is provided with the other end of holder and tightens up handle, and metal is provided with metal stabilizing bracket holder; Be provided with 1 ~ 3 insulation suspension hook below described cross-arm main body, the lower end of insulating cord is located at by insulation suspension hook, and the upper end of insulating cord is wrapped on the self-locking bearing pin be located in cross-arm main body, is provided with location jump ring between one end of self-locking bearing pin and cross-arm main body.
Described cross-arm main body is isolation material, and its length is 1700 ~ 1800mm.
Compared with prior art, the invention has the beneficial effects as follows:
1) adopt live line working technology, do not affect the electricity consumption of circuit lower end enterprise, directly can throw after on-pole switch installation and use use, without the need to end load under reduction process point, decrease the number participating in operating personnel, shorten overall operation duration;
2) to be sling on-pole switch by the insulation arm of aerial lift device with insulated arm, and complete the installation of on-pole switch, reducing the labour intensity of operating personnel in insulation bucket; Decrease the participation of lifting vehicle, significantly reduce task difficulty.
Accompanying drawing explanation
Fig. 1 is that the present invention is from hanging insulator crossarm example structure schematic diagram;
Fig. 2 is operating principle figure of the present invention;
Fig. 3 is work flow schematic block diagram of the present invention.
In figure: 1-cross-arm main body 2-metal tightens up handle 6-metal stabilizing bracket 7-insulating cord 8-self-locking bearing pin 9-holder 3-tension soft ribbons 4-insulation suspension hook 5-and locates jump ring
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
See Fig. 1, that the present invention is from hanging insulator crossarm example structure schematic diagram, comprise cross-arm main body 1, metal holder 2, tension soft ribbons 3 and insulation suspension hook 4, curved metal upwarps holder 2 two ends the top being located at cross-arm main body 1, one end of tension soft ribbons 3 is connected one end of holder 2 with metal, metal is provided with the other end of holder 2 and tightens up handle 5, and metal is provided with criss-cross metal stabilizing bracket 6 holder 2; 3 insulation suspension hooks 4 are provided with below cross-arm main body 1, the lower end of insulating cord 7 is located at by insulation suspension hook 4, the upper end of insulating cord 7 is wrapped on the self-locking bearing pin 8 be located in cross-arm main body, be provided with between one end of self-locking bearing pin and cross-arm main body and locate jump ring 9, the long 500mm of insulating cord 7, self-locking bearing pin 8 has draw-in groove, location jump ring 9 is stuck in draw-in groove and can prevents self-locking bearing pin from rotating, when putting down insulation suspension hook 4, as long as jump ring 9 is located in pull-out from draw-in groove, self-locking bearing pin 8 can rotated down insulation suspension hook.Cross-arm main body 1 is isolation material, and its length is 1780mm.
Operating personnel is when installing from hanging insulator crossarm, only tension soft ribbons need be pierced into and tighten up handle, then operation is tightened up handle and is tightened up tension soft ribbons, make to link together from hanging insulator crossarm and electric pole, the method is time saving and energy saving, significantly can reduce the labour intensity of operating personnel when installing insulating cross-arm, this from hanging insulator crossarm be easy to install, simple to operate, be applicable to distribution network live line work.
A kind of straight line pole of the present invention changes the operational method that strain section installs on-pole switch additional, exactly by having assisted lifting and the decline of wire from hanging insulator crossarm, then the in place of on-pole switch is completed by aerial lift device with insulated arm, turn on-load whole installing additional in the work flow of on-pole switch without the need to equipment, its concrete operation step is as follows:
1) two operating personnels respectively use an aerial lift device with insulated arm respectively in the both sides of electric pole, to gold utensil on the wire in job area and bar simultaneously, synchronously carry out insulation and cover, action should as far as possible lightly be carried out, during operation according to by near to far, the order of earth electrode sets gradually insulation masking material from the bottom to top, after ecto-entad, first electrified body;
2) head of the mast will be installed to as far as possible from hanging insulator crossarm, to ensure that hoisting depth when drawing wire meets job requirements, after installation, confirm firm and reliable connection;
3) the insulation suspension hook on hanging insulator crossarm is connected with wire, untie the binding wire of fixing cord and single cross-arm, promote insulating hanging hook block and play wire, wire and single cross-arm are departed from, remove the single cross-arm on electric pole, two operating personnels cooperatively interact and embrace cross-arm by first group and be arranged on the position of single cross-arm, then embrace on cross-arm in this group and arrange insulation masking material;
Operating personnel embraces cross-arm by second of fixing on-pole switch group and is installed on electric pole, and two groups of spacings of embracing cross-arm should meet the job requirements that on-pole switch is installed, and the lead-in wire of on-pole switch both sides should complete installation on the ground;
4) to be sling by on-pole switch with the insulation arm of aerial lift device with insulated arm and deliver to second group and embrace on cross-arm, two operating personnels cooperatively interact and on-pole switch is fixed to second group embraces on cross-arm; Wire is fallen by the insulation suspension hook of operating personnel's operation on hanging insulator crossarm; Operating personnel adopts insulation wire grip stringing lead, and utilize insulation tension wire clamp that electric pole both sides wire is fixed on first group and embrace on cross-arm, wire is removed from hanging insulator crossarm after all fixing;
5) operating personnel carries out on-pole switch and connects lead-in wire, should determine that on-pole switch is in out position, be connected respectively by the lead-in wire of on-pole switch both sides with wire before connecing lead-in wire; After lead-in wire connects, close on-pole switch, tests stream to on-pole switch both sides lead-in wire, confirm through-flow normal after, cutting off wire apart from both sides insulation tension wire clamp central spot;
6) remove insulation to cover, action should as far as possible lightly be carried out, according to from far near, from top to bottom, from inside to outside, first ground connection after this order of electrified body carry out successively;
7) operating personnel returns to ground, the end of job.
Claims (1)
1. a straight line pole changes the operational method that strain section installs on-pole switch additional, it is characterized in that, by having assisted lifting and the decline of wire from hanging insulator crossarm, then complete the in place of on-pole switch by aerial lift device with insulated arm, turn on-load whole installing additional in the work flow of on-pole switch without the need to equipment; Described from hanging insulator crossarm, comprise cross-arm main body, metal holder, tension soft ribbons and insulation suspension hook, curved metal upwarps holder two ends the top being located at cross-arm main body, one end of tension soft ribbons is connected the one end of holding in the palm with metal, metal is provided with the other end of holder and tightens up handle, and metal is provided with metal stabilizing bracket holder; Be provided with 1 ~ 3 insulation suspension hook below described cross-arm main body, the lower end of insulating cord is located at by insulation suspension hook, and the upper end of insulating cord is wrapped on the self-locking bearing pin be located in cross-arm main body, is provided with location jump ring between one end of self-locking bearing pin and cross-arm main body;
Described straight line pole changes the operational method that strain section installs on-pole switch additional, and its concrete operation step is as follows:
1) two operating personnels respectively use an aerial lift device with insulated arm respectively in the both sides of electric pole, to gold utensil on the wire in job area and bar simultaneously, synchronously carry out insulation and cover, during operation according to by near to far, the order of earth electrode sets gradually insulation masking material from the bottom to top, after ecto-entad, first electrified body;
2) will be installed to the head of the mast as far as possible from hanging insulator crossarm, hoisting depth when ensureing traction wire meets job requirements, confirms firm and reliable connection after installation;
3) the insulation suspension hook on hanging insulator crossarm is connected with wire, untie the binding wire of fixing cord and single cross-arm, promote insulating hanging hook block and play wire, wire and single cross-arm are departed from, remove the single cross-arm on electric pole, two operating personnels cooperatively interact and embrace cross-arm by first group and be arranged on the position of single cross-arm, then embrace on cross-arm in this group and arrange insulation masking material;
Operating personnel is installed to electric pole by embracing cross-arm for second group of fixing on-pole switch, and two groups of spacings of embracing cross-arm should meet the job requirements that on-pole switch is installed, and the lead-in wire of on-pole switch both sides should complete installation on the ground;
4) to be sling by on-pole switch with the insulation arm of aerial lift device with insulated arm and deliver to second group and embrace on cross-arm, two operating personnels cooperatively interact and on-pole switch is fixed to second group embraces on cross-arm; Wire is fallen by the insulation suspension hook of operating personnel's operation on hanging insulator crossarm; Operating personnel adopts insulation wire grip stringing lead, and utilize insulation tension wire clamp that electric pole both sides wire is fixed on first group and embrace on cross-arm, wire is removed from hanging insulator crossarm after all fixing;
5) operating personnel carries out on-pole switch and connects lead-in wire, should determine that on-pole switch is in out position, be connected respectively by the lead-in wire of on-pole switch both sides with wire before connecing lead-in wire; After lead-in wire connects, close on-pole switch, tests stream to on-pole switch both sides lead-in wire, confirm through-flow normal after, cutting off wire apart from both sides insulation tension wire clamp central spot;
6) remove insulation to cover, according to from far near, from top to bottom, from inside to outside, first ground connection after this order of electrified body carry out successively;
7) operating personnel returns to ground, the end of job.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485467.5A CN103532046B (en) | 2013-10-16 | 2013-10-16 | A kind of straight line pole changes operational method and the device that strain section installs on-pole switch additional |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485467.5A CN103532046B (en) | 2013-10-16 | 2013-10-16 | A kind of straight line pole changes operational method and the device that strain section installs on-pole switch additional |
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| Publication Number | Publication Date |
|---|---|
| CN103532046A CN103532046A (en) | 2014-01-22 |
| CN103532046B true CN103532046B (en) | 2016-01-13 |
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| CN201310485467.5A Active CN103532046B (en) | 2013-10-16 | 2013-10-16 | A kind of straight line pole changes operational method and the device that strain section installs on-pole switch additional |
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| CN114374170A (en) * | 2021-11-29 | 2022-04-19 | 国网浙江省电力有限公司金华供电公司 | Method for changing straight pole into strain pole and additionally installing switch on 10kV overhead line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001142A (en) * | 2012-09-03 | 2013-03-27 | 辽宁省电力有限公司鞍山供电公司 | Operation method for on-load replacing of 10kV pole-mounted disconnector |
| CN203481749U (en) * | 2013-10-16 | 2014-03-12 | 国家电网公司 | Self-lifting type insulation cross arm |
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2013
- 2013-10-16 CN CN201310485467.5A patent/CN103532046B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001142A (en) * | 2012-09-03 | 2013-03-27 | 辽宁省电力有限公司鞍山供电公司 | Operation method for on-load replacing of 10kV pole-mounted disconnector |
| CN203481749U (en) * | 2013-10-16 | 2014-03-12 | 国家电网公司 | Self-lifting type insulation cross arm |
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| CN103532046A (en) | 2014-01-22 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Anshan Power Supply Company of State Grid Liaoning Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: ANSHAN POWER SUPPLY COMPANY, LIAONING ELECTRIC POWER Co.,Ltd. |
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Address after: 114002 Anshan South Road, Tiedong District, Liaoning, Shengli Road, No. 52 Patentee after: Anshan Power Supply Company of State Grid Liaoning Electric Power Company Patentee after: State Grid Corporation of China Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Anshan Power Supply Company of State Grid Liaoning Electric Power Company |