CN103532046A - Operation method and device for additionally arranging column switch on linear rod improved strain section - Google Patents
Operation method and device for additionally arranging column switch on linear rod improved strain section Download PDFInfo
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- CN103532046A CN103532046A CN201310485467.5A CN201310485467A CN103532046A CN 103532046 A CN103532046 A CN 103532046A CN 201310485467 A CN201310485467 A CN 201310485467A CN 103532046 A CN103532046 A CN 103532046A
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Abstract
The invention relates to the field of the hot line work of a 10kV power distribution network, in particular to an operation method and device for additionally arranging a column switch on a linear rod improved strain section. The method is characterized in that a lead is lifted and descended by a self-hanging insulation cross bar in an assisting mode, then the column switch is positioned by an insulation bucket arm vehicle, and equipment does not need to transfer and carry a load in the operation flow of the whole column switch arranging process. Compared with the prior art, the operation method and device for additionally arranging the column switch on the linear rod improved strain section have the beneficial effects that (1) a hot line work technology is adopted, the power of enterprises at the lower end of the line is not influenced, after being mounted, the column switch can be directly put into use without the need of reducing the lower end load of an operation point, the number of people participating in the operation is reduced and the whole operation time is shortened; (2) the column switch is hoisted and mounted by an insulation crane arm of the insulation bucket arm vehicle, so the labor intensity of operation staff in the insulation bucket is reduced; participating of hoisting vehicles is reduced and the operation difficulty is reduced.
Description
Technical field
The present invention relates to 10kV live working of distribution network field, relate in particular 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 that solves power distribution network uninterrupted operation.Such as changing at straight line pole in the operation that strain section installs on-pole switch additional, be mainly to utilize equipment to turn on-load to reach the object of uninterrupted operation, but because operation participant is many, also need truck crane compounding practice, so 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 timely, 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 assisted lifting and the decline of wire from hanging insulator crossarm, then by aerial lift device with insulated arm, complete the in place of on-pole switch, in the whole work flow that installs on-pole switch additional, without equipment, turn on-load, its concrete operation step is as follows:
1) two operating personnels each with 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 insulate and covers, during operation according to by closely extremely far, from the bottom to top, the order of earth electrode sets gradually insulation masking material after ecto-entad, first electrified body;
2) will be installed to as far as possible the head of the mast from hanging insulator crossarm, the hoisting depth while guaranteeing traction wire meets job requirements, after installing, confirms 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 by first group, embrace cross-arm and be arranged on the position of single cross-arm, then in this group, embrace on cross-arm insulation masking material is set;
Operating personnel is installed to electric pole by embracing cross-arm for second group of fixing on-pole switch, embraces distance between cross-arm for two groups and 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) with the insulation arm of aerial lift device with insulated arm, on-pole switch is sling and delivered 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; The insulation suspension hook of operating personnel's operation on hanging insulator crossarm fallen wire; Operating personnel adopts insulation wire grip stringing lead, and utilization insulation tension wire clamp is fixed on first group by electric pole both sides wire and embraces on cross-arm, and wire is fixing rear dismounting from hanging insulator crossarm all;
5) operating personnel carries out on-pole switch and connects lead-in wire, should determine that on-pole switch is in out position before connecing lead-in wire, and the lead-in wire of on-pole switch both sides is connected with wire respectively; After lead-in wire connects, the on-pole switch that closes, tests stream to on-pole switch both sides lead-in wires, confirm through-flow normal after, apart from both sides insulation tension wire clamp central spot, cutting off wire;
6) remove insulation and 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.
In said method, use from hanging insulator crossarm, comprise that cross-arm main body, metal are holder, the soft band of tension and insulation suspension hook, curved metal upwarps holder two ends the top of being located at cross-arm main body, one end of the soft band of tension is connected one end of holder with metal, metal is provided with the other end of holder to tighten up handle, and metal is provided with metal stabilizing bracket holder; Described cross-arm main body below is provided with 1～3 insulation suspension hook, and insulation suspension hook is located at the lower end of insulating cord, and the upper end of insulating cord is wrapped on the self-locking bearing pin of being located in cross-arm main body, between one end of self-locking bearing pin and cross-arm main body, is provided with location jump ring.
Described cross-arm main body is insulation 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, after on-pole switch installation, can directly throw and use use, without the lower end load of reduction process point, reduced the number that participates in operating personnel, shortened overall operation duration;
2) by the insulation arm of the aerial lift device with insulated arm on-pole switch of slinging, and complete the installation of on-pole switch, having reduced the labour intensity of operating personnel in insulation bucket; Reduce the participation of lifting vehicle, significantly reduced 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-location jump ring the soft band of holder 3-tension 4-insulation suspension hook 5-
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 that cross-arm main body 1, metal be with 3 and insulation suspension hook 4 holder 2, tension are soft, curved metal upwarps holder 2 two ends the top of being located at cross-arm main body 1, the soft one end with 3 of tension is connected one end of holder 2 with metal, metal is provided with the other end of holder 2 to tighten up handle 5, and metal is provided with criss-cross metal stabilizing bracket 6 holder 2; Cross-arm main body 1 below is provided with 3 insulation suspension hooks 4, insulation suspension hook 4 is located at the lower end of insulating cord 7, the upper end of insulating cord 7 is wrapped on the self-locking bearing pin 8 of being located in cross-arm main body, between one end of self-locking bearing pin and cross-arm main body, be provided with location jump ring 9, the long 500mm of insulating cord 7, has draw-in groove on 8 of self-locking bearing pins, location jump ring 9 is stuck in draw-in groove can prevent that self-locking bearing pin from rotating, in the time will putting down insulation suspension hook 4, as long as pull out location jump ring 9 from draw-in groove, self-locking bearing pin 8 can rotate and put down insulation suspension hook.Cross-arm main body 1 is insulation material, and its length is 1780mm.
Operating personnel is when installing from hanging insulator crossarm, only the soft band of tension need be pierced into and tightens up handle, then operation is tightened up handle and is tightened up the soft band of tension, make to link together from hanging insulator crossarm and electric pole, the method is time saving and energy saving, can significantly reduce the labour intensity of operating personnel when installing insulating cross-arm, thisly from hanging insulator crossarm, is 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 assisted lifting and the decline of wire from hanging insulator crossarm, then by aerial lift device with insulated arm, complete the in place of on-pole switch, in the whole work flow that installs on-pole switch additional, without equipment, turn on-load, its concrete operation step is as follows:
1) two operating personnels each with 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 insulate and cover, action should be carried out as far as possible gently, during operation according to by near to far, from the bottom to top, the order of earth electrode sets gradually insulation masking material after ecto-entad, first electrified body;
2) will be installed to as far as possible the head of the mast from hanging insulator crossarm, the hoisting depth when guaranteeing to draw wire meets job requirements, after installing, confirms 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 by first group, embrace cross-arm and be arranged on the position of single cross-arm, then in this group, embrace on cross-arm insulation masking material is set;
Operating personnel embraces cross-arm by second group of fixing on-pole switch and is installed on electric pole, embraces distance between cross-arm for two groups and 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) with the insulation arm of aerial lift device with insulated arm, on-pole switch is sling and delivered 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; The insulation suspension hook of operating personnel's operation on hanging insulator crossarm fallen wire; Operating personnel adopts insulation wire grip stringing lead, and utilization insulation tension wire clamp is fixed on first group by electric pole both sides wire and embraces on cross-arm, and wire is fixing rear dismounting from hanging insulator crossarm all;
5) operating personnel carries out on-pole switch and connects lead-in wire, should determine that on-pole switch is in out position before connecing lead-in wire, and the lead-in wire of on-pole switch both sides is connected with wire respectively; After lead-in wire connects, the on-pole switch that closes, tests stream to on-pole switch both sides lead-in wires, confirm through-flow normal after, apart from both sides insulation tension wire clamp central spot, cutting off wire;
6) remove insulation and cover, action should be carried out as far as possible gently, 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 (3)
1. a straight line pole changes the operational method that strain section installs on-pole switch additional, it is characterized in that, by assisted lifting and the decline of wire from hanging insulator crossarm, then by aerial lift device with insulated arm, complete the in place of on-pole switch, in the whole work flow that installs on-pole switch additional, without equipment, turn on-load, its concrete operation step is as follows:
1) two operating personnels each with 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 insulate and covers, during operation according to by closely extremely far, from the bottom to top, the order of earth electrode sets gradually insulation masking material after ecto-entad, first electrified body;
2) will be installed to as far as possible the head of the mast from hanging insulator crossarm, the hoisting depth while guaranteeing traction wire meets job requirements, after installing, confirms 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 by first group, embrace cross-arm and be arranged on the position of single cross-arm, then in this group, embrace on cross-arm insulation masking material is set;
Operating personnel is installed to electric pole by embracing cross-arm for second group of fixing on-pole switch, embraces distance between cross-arm for two groups and 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) with the insulation arm of aerial lift device with insulated arm, on-pole switch is sling and delivered 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; The insulation suspension hook of operating personnel's operation on hanging insulator crossarm fallen wire; Operating personnel adopts insulation wire grip stringing lead, and utilization insulation tension wire clamp is fixed on first group by electric pole both sides wire and embraces on cross-arm, and wire is fixing rear dismounting from hanging insulator crossarm all;
5) operating personnel carries out on-pole switch and connects lead-in wire, should determine that on-pole switch is in out position before connecing lead-in wire, and the lead-in wire of on-pole switch both sides is connected with wire respectively; After lead-in wire connects, the on-pole switch that closes, tests stream to on-pole switch both sides lead-in wires, confirm through-flow normal after, apart from both sides insulation tension wire clamp central spot, cutting off wire;
6) remove insulation and 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.
2. described in claim 1, in method, use from hanging insulator crossarm, it is characterized in that, comprise that cross-arm main body, metal are holder, the soft band of tension and insulation suspension hook, curved metal upwarps holder two ends the top of being located at cross-arm main body, one end of the soft band of tension is connected one end of holder with metal, metal is provided with the other end of holder to tighten up handle, and metal is provided with metal stabilizing bracket holder; Described cross-arm main body below is provided with 1～3 insulation suspension hook, and insulation suspension hook is located at the lower end of insulating cord, and the upper end of insulating cord is wrapped on the self-locking bearing pin of being located in cross-arm main body, between one end of self-locking bearing pin and cross-arm main body, is provided with location jump ring.
3. according to claim 2ly from hanging insulator crossarm, it is characterized in that, described cross-arm main body is insulation material, and its length is 1700～1800mm.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN103532046A true CN103532046A (en) | 2014-01-22 |
| CN103532046B CN103532046B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
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 |
Non-Patent Citations (1)
| Title |
|---|
| 河南省电力公司配电带电作业培训基地: "《配电线路带电作业标准化作业指导》", 31 October 2012 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN103532046B (en) | 2016-01-13 |
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| SE01 | Entry into force of request for substantive examination | ||
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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 |