CN101719640A - Operation method of connecting charged lead with by-pass jumper for 10 kV wire multi-loop on same tower - Google Patents
Operation method of connecting charged lead with by-pass jumper for 10 kV wire multi-loop on same tower Download PDFInfo
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- CN101719640A CN101719640A CN200910073185A CN200910073185A CN101719640A CN 101719640 A CN101719640 A CN 101719640A CN 200910073185 A CN200910073185 A CN 200910073185A CN 200910073185 A CN200910073185 A CN 200910073185A CN 101719640 A CN101719640 A CN 101719640A
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Abstract
The invention discloses an operation method of connecting a charged lead with a by-pass jumper for 10 kV wire multi-loop on same tower. The operation method comprises the following steps of: installing a cross arm fixed drainage line on the outside of a lower layer of a cross arm which needs crossing, and enlarging space between the drainage line and the charged lead; and using an insulating rod to operate a charged peeler to remove a lead insulation layer by an indirect operation method, and respectively connecting the by-pass jumper into the charged wire. Because a combination method of a direct operation method and an indirect operation method is adopted, hands of operators do not contact leads directly and the operation of peeling the joints of the lead insulation layer and the drainage line is all fulfilled by operating an insulating bar, thereby completely eradicating that the operators cross the charged leads and guaranteeing the safety of operators. The invention is an operation method with safety, reliability and simple operation, avoids power failure in large area, and has wide practical value.
Description
Technical field
The present invention relates to a kind of method of operation of live line working, relate in particular to a kind of 10kV circuit and joint use the charged drainage thread method of operation that connects of multiloop lead, belong to the power industry technical field.
Background technology
At present, raising along with 10KV line insulation level, the 10kV circuit adopts many loop lines of parallel lines on same tower road (three are back to four go back tos) more, wire spacing is 0.5 meter-0.6 meter, when newly-increased load circuit connects drainage thread, utilize aerial lift device with insulated arm to adopt direct operation method (tape insulation gloves working system) to carry out operation.At first need to divest wire insulation, when the lead of loop, upper strata or intermediate loop is peeled, operating personnel's both hands and health need enter between live wire can touch lead, and the drainage thread of loop, upper strata or intermediate loop needs to pass through between the lead on many loop lines road when connecting drainage thread, operating personnel's health and both hands need enter between live wire or lead and grounding parts interdigit carry out, and the safe distance of human body and electrified body is 0.7 meter national standard well below the 10kV safe following distance of " electric power safety working regulation " regulation.As adopt indirect operating method (insulating bar working system) to carry out operation, and drainage thread is passed through between many times leads, and single-phase earthing or phase fault accident very easily take place in the operating process, serious threat is to operating personnel's personal safety.In the case, be personal safety and the device security of guaranteeing the operating personnel, other several return leads need be had a power failure simultaneously and handle.The problem that said method exists: the one, make the power failure expanded range, electric quantity loss increases, and causes bigger economic loss; The 2nd, make a large amount of electricity consumption client outages in the power supply area, cause bad social influence; The 3rd, prolonged the activity duration, inefficiency.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of 10kV circuit to joint use the charged drainage thread method of operation that connects of multiloop lead, the mode that adopts direct operation method and indirect operating method to combine, operating personnel's both hands do not need direct contact electrification lead, divest and undertaken being connected all of wire insulation and drainage thread by the operation insulating bar, stop the operating personnel effectively and passed through live wire, guaranteed operating personnel's safety, it is a kind of safe and reliable, simple to operate live line working method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of 10kV circuit is joint used the charged drainage thread method of operation that connects of multiloop lead, it is that drainage thread cross-arm and fixing drainage thread, the distance between increase drainage thread and live wire are installed in the lower floor cross-arm outside of passing through at needs.Use the charged parer of suspended insulated guide wire to take the method for indirect operating to use the insulating bar operation to divest wire insulation, in three-phase drainage thread difference line attachment.Its concrete operation method is:
(1) operating personnel dresses a complete set of insulating protection apparatus, carries insulation transmission rope by aerial lift device with insulated arm and taking advantage of the insulation bucket to the appropriate location.
(2) use the insulation rope that Work tools such as wire cap, insulated target are reached respectively on the insulation bucket.
(3) operating personnel adopts the direct operation method that the electrified body in the job area and earth electrode are insulated reliably to cover, return ground.
(4) install aerial lift device with insulated arm and hang the back for a short time, the drainage thread cross-arm of the measure of covering of taking to insulate is reached in the bucket to the appropriate location.
(5) hang elder generation for a short time with insulation orlop (needing to install lead-in wire cross-arm phase) lead is hung the jail, open pin insulator wiring or nut, operation is hung for a short time slowly lead is sling to suitable distance.
(6) will go between cross-arm, pin insulator installs, and insulate and cover the back operation and hang slowly for a short time lead is replaced, and recovers pin insulator wiring or nut.And insulate and cover.
(7) determine to treat unmanned work on the link, really do not have ground short circuit, insulation is good.
(8) treat each other three and connecing lead-in wire by being installed on the pin insulator of new clothes drainage thread cross-arm mutually.
(9) measured the length of three phase terminals respectively with the insulation measurement bar, unnecessary then lead-in wire is cut off, and is good along the colligation of this line.
(10) parer, insulating bar are transmitted rope by insulation and reach on the bucket.
(11) measure wire gauge with suspended insulated guide wire survey line chi, adjust cutter hub with the lead model, cutter head is advisable apart from conductor 0.5～1mm according to wire gauge.
(12) opening of the ratchet cover plate, ratchet is transferred to about two wire blocking ports consistent, the distance of tool rest main body and main body base is drawn back the greatest limit position, rotate clamping lever and steering tiller, make wire blocking port reach the greatest limit position.
(13) action bars is installed on clamping lever and the steering tiller, operating personnel's coordination is suspended to the parer main frame on the lead.
(14) rotate clamping lever with action bars, main wire blocking port clamping wire is fixed on skiving machine on the lead.Rotating the steering tiller card with action bars makes attached wire blocking port and lead transfer to slip suitable (tightening the loose half-turn in back gets final product).
(15) reflective mirror card pole is installed and adjusts the reflective mirror angle, promoting arm-tie along lead vertical direction position with action bars makes cutter hub rotate the cutting insulating barrier around lead, and by reflective mirror observation cutting situation, cutting is pressed turning handle counterclockwise with action bars after one week, make cutter hub when lead rotates, along the direction moving linearly of lead near main body base.Insulating barrier is reamed one section.
(16) end-of-job of peeling takes off skiving machine by above opposite step.
(17) adjust drainage thread, make it to meet safe distance requirement and good looking appearance.
(18) operating personnel uses locking bar to pin the other end of drainage thread, delivers to lead and connects and draw the position, with drainage wire clamp action bars drainage wire clamp hedgehog hydnum is hung on the live wire, and tights a bolt, and drainage wire clamp and lead are closely fixed.
(19) remove insulation and cover apparatus, return scene, all-of.
The invention has the beneficial effects as follows: owing to use the drainage thread cross-arm, increased the safe distance between drainage thread and live wire, effectively prevented ground connection and each phase fault accident that may cause in the operating process.Use the charged parer of suspended insulated guide wire, indirect operation divests wire insulation, has avoided the operating personnel to pass through live wire and has carried out direct control, has guaranteed operating personnel's personal safety.Simple to operate, operating efficiency increases substantially, and has realized sharp work, and wide practical value is arranged.Solved condition restriction such as being subjected to geographical environment, wire spacing at present and joint used the situation that live line working can not be carried out in many loop lines road, avoided large-area power-cuts,, guaranteed power supply reliability for uninterrupted power supply has been created condition.
Embodiment
A kind of 10kV circuit is joint used the charged drainage thread method of operation that connects of multiloop lead, and it is in the lower floor cross-arm outside of passing through at needs fixedly drainage thread of drainage thread cross-arm to be installed, and increases the distance between drainage thread and live wire; Use the charged parer of suspended insulated guide wire to take the method for indirect operating to use the insulating bar operation to divest wire insulation, in three phase terminals difference line attachment.Its concrete operation method is:
(1) operating personnel dresses a complete set of insulating protection apparatus, carries insulation transmission rope by aerial lift device with insulated arm and taking advantage of the insulation bucket to the appropriate location.
(2) use the insulation rope that Work tools such as wire cap, insulated target are reached respectively on the insulation bucket.
(3) operating personnel adopts the direct operation method that the electrified body in the job area and earth electrode are insulated reliably to cover, return ground.
(4) install aerial lift device with insulated arm and hang the back for a short time, the drainage thread cross-arm of the measure of covering of taking to insulate is reached in the bucket to the appropriate location.
(5) hang elder generation for a short time with insulation orlop (needing to install lead-in wire cross-arm phase) lead is hung the jail, open pin insulator wiring or nut, operation is hung for a short time slowly lead is sling to suitable distance.
(6) will go between cross-arm, pin insulator installs, and insulate and cover the back operation and hang slowly for a short time lead is replaced, and recovers pin insulator wiring or nut.And insulate and cover.
(7) determine to treat unmanned work on the link, really do not have ground short circuit, insulation is good.
(8) treat each other three and connecing lead-in wire by being installed on the pin insulator of new clothes drainage thread cross-arm mutually.
(9) measured the length of three phase terminals respectively with the insulation measurement bar, unnecessary then lead-in wire is cut off, and is good along the colligation of this line.
(10) parer, insulating bar are transmitted rope by insulation and reach on the bucket.
(11) measure wire gauge with suspended insulated guide wire survey line chi, adjust cutter hub with the lead model, cutter head is advisable apart from conductor 0.5～1mm according to wire gauge.
(12) opening of the ratchet cover plate, ratchet is transferred to about two wire blocking ports consistent, the distance of tool rest main body and main body base is drawn back the greatest limit position, rotate clamping lever and steering tiller, make wire blocking port reach the greatest limit position.
(13) action bars is installed on clamping lever and the steering tiller, operating personnel's coordination is suspended to the parer main frame on the lead.
(14) rotate clamping lever with action bars, main wire blocking port clamping wire is fixed on skiving machine on the lead.Rotating the steering tiller card with action bars makes attached wire blocking port and lead transfer to slip suitable (tightening the loose half-turn in back gets final product).
(15) reflective mirror card pole is installed and adjusts the reflective mirror angle, promoting arm-tie along lead vertical direction position with action bars makes cutter hub rotate the cutting insulating barrier around lead, and by reflective mirror observation cutting situation, cutting is pressed turning handle counterclockwise with action bars after one week, make cutter hub when lead rotates, along the direction moving linearly of lead near main body base.Insulating barrier is reamed one section.
(16) end-of-job of peeling takes off skiving machine by above opposite step.
(17) adjust drainage thread, make it to meet safe distance requirement and good looking appearance.
(18) operating personnel uses locking bar to pin the other end of drainage thread, delivers to lead and connects and draw the position, with drainage wire clamp action bars drainage wire clamp hedgehog hydnum is hung on the live wire, and tights a bolt, and drainage wire clamp and lead are closely fixed.
(19) remove insulation and cover apparatus, return scene, all-of.
Claims (2)
1. a 10kV circuit is joint used the charged drainage thread method of operation that connects of multiloop lead, the mode that adopts direct operation method and indirect operating method to combine, carry out the charged drainage thread operation of connecing, it is characterized in that: cross-arm and fixing drainage thread are installed in the lower floor cross-arm outside that needs pass through; Operating charged parer with insulating bar divests wire insulation and drainage thread is inserted in the alive circuit respectively.
2. a kind of 10kV circuit according to claim 1 is joint used the charged drainage thread method of operation that connects of multiloop lead, and it is characterized in that: its concrete operation method is:
(1) operating personnel dresses a complete set of insulating protection apparatus, carries insulation transmission rope by aerial lift device with insulated arm and taking advantage of the insulation bucket to the appropriate location;
(2) use the insulation rope that Work tools such as wire cap, insulated target are reached respectively on the insulation bucket;
(3) operating personnel adopts the direct operation method that the electrified body in the job area and earth electrode are insulated reliably to cover, return ground;
(4) install aerial lift device with insulated arm and hang the back for a short time, the drainage thread cross-arm of the measure of covering of taking to insulate is reached in the bucket to the appropriate location;
(5) hang elder generation for a short time with insulation orlop (needing to install lead-in wire cross-arm phase) lead is hung the jail, open pin insulator wiring or nut, operation is hung for a short time and slowly lead is sling to suitable distance;
(6) will go between cross-arm, pin insulator installs, and insulate and cover the back operation and hang slowly for a short time lead is replaced, and recovers pin insulator wiring or nut, and insulate and cover;
(7) determine to treat unmanned work on the link, really do not have ground short circuit, insulation is good;
(8) treat each other three and connecing lead-in wire by being installed on the pin insulator of new clothes drainage thread cross-arm mutually;
(9) measured the length of three phase terminals respectively with the insulation measurement bar, unnecessary then lead-in wire is cut off, and is good along the colligation of this line;
(10) parer, insulating bar are transmitted rope by insulation and reach on the bucket;
(11) measure wire gauge with suspended insulated guide wire survey line chi, adjust cutter hub with the lead model, cutter head is advisable apart from conductor 0.5～1mm according to wire gauge;
(12) opening of the ratchet cover plate, ratchet is transferred to about two wire blocking ports consistent, the distance of tool rest main body and main body base is drawn back the greatest limit position, rotate clamping lever and steering tiller, make wire blocking port reach the greatest limit position;
(13) action bars is installed on clamping lever and the steering tiller, operating personnel's coordination is suspended to the parer main frame on the lead;
(14) rotate clamping lever with action bars, main wire blocking port clamping wire is fixed on skiving machine on the lead, rotate the steering tiller card with action bars and make attached wire blocking port and lead transfer to slip suitable (tightening the loose half-turn in back gets final product);
(15) reflective mirror card pole is installed and adjusts the reflective mirror angle, promoting arm-tie along lead vertical direction position with action bars makes cutter hub rotate the cutting insulating barrier around lead, and by reflective mirror observation cutting situation, cutting is pressed turning handle counterclockwise with action bars after one week, make cutter hub when lead rotates, along the direction moving linearly of lead, insulating barrier is reamed one section near main body base;
(16) end-of-job of peeling takes off skiving machine by above opposite step;
(17) adjust drainage thread, make it to meet safe distance requirement and good looking appearance;
(18) operating personnel uses locking bar to pin the other end of drainage thread, delivers to lead and connects and draw the position, with drainage wire clamp action bars drainage wire clamp hedgehog hydnum is hung on the live wire, and tights a bolt, and drainage wire clamp and lead are closely fixed;
(19) remove insulation and cover apparatus, return scene, all-of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910073185A CN101719640A (en) | 2009-11-05 | 2009-11-05 | Operation method of connecting charged lead with by-pass jumper for 10 kV wire multi-loop on same tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910073185A CN101719640A (en) | 2009-11-05 | 2009-11-05 | Operation method of connecting charged lead with by-pass jumper for 10 kV wire multi-loop on same tower |
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| CN101719640A true CN101719640A (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910073185A Pending CN101719640A (en) | 2009-11-05 | 2009-11-05 | Operation method of connecting charged lead with by-pass jumper for 10 kV wire multi-loop on same tower |
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| CN103746315A (en) * | 2013-12-30 | 2014-04-23 | 江苏省电力公司常州供电公司 | Quick hot-line by-pass jumper overlapping operation method for 10kV insulated power distribution line |
| CN104037648A (en) * | 2014-05-14 | 2014-09-10 | 国家电网公司 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
| CN104143785A (en) * | 2014-07-18 | 2014-11-12 | 国家电网公司 | Method and device for 10 kV electrified work for connecting lead of branch connecting circuit |
| CN104427788A (en) * | 2013-09-10 | 2015-03-18 | 上海空间电源研究所 | Through hole setting method and structure of multi-layer power printed circuit board for power supply controller |
| CN104868403A (en) * | 2015-05-08 | 2015-08-26 | 国家电网公司 | Portable 120-to-400mm2 aluminum conductor steel reinforced cable shunting clamp and use method thereof |
| CN105305311A (en) * | 2015-11-25 | 2016-02-03 | 国网辽宁省电力有限公司阜新供电公司 | Safety protection method for distribution line live work |
| CN109378606A (en) * | 2018-11-29 | 2019-02-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of conduction wire clamp |
| CN109473905A (en) * | 2018-11-07 | 2019-03-15 | 国网浙江桐乡市供电有限公司 | Distribution uninterrupted operation " 3+1 " insulating bar working system |
| CN109494616A (en) * | 2018-12-13 | 2019-03-19 | 国网山东省电力公司烟台供电公司 | A method of electrification connects 35kv zero load lead |
| CN110797796A (en) * | 2019-12-05 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Streamline operation method for breaking or connecting breaker of insulating short rod |
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| CN114039227A (en) * | 2021-11-09 | 2022-02-11 | 贵州电网有限责任公司 | Novel closed-phase assembled grounding wire |
| CN114465153A (en) * | 2021-12-23 | 2022-05-10 | 国网浙江省电力有限公司金华供电公司 | Method for shearing reconnected 10kV overhead bare conductor under load |
| CN115459151A (en) * | 2022-10-27 | 2022-12-09 | 国网山东省电力公司菏泽供电公司 | Post insulator wire fixing device capable of working without power failure and using method |
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2009
- 2009-11-05 CN CN200910073185A patent/CN101719640A/en active Pending
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| CN104427788A (en) * | 2013-09-10 | 2015-03-18 | 上海空间电源研究所 | Through hole setting method and structure of multi-layer power printed circuit board for power supply controller |
| CN104427788B (en) * | 2013-09-10 | 2017-10-24 | 上海空间电源研究所 | The via method to set up and structure of power-supply controller of electric multilayer power printed circuit board |
| CN103746315A (en) * | 2013-12-30 | 2014-04-23 | 江苏省电力公司常州供电公司 | Quick hot-line by-pass jumper overlapping operation method for 10kV insulated power distribution line |
| CN104037648A (en) * | 2014-05-14 | 2014-09-10 | 国家电网公司 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
| CN104143785A (en) * | 2014-07-18 | 2014-11-12 | 国家电网公司 | Method and device for 10 kV electrified work for connecting lead of branch connecting circuit |
| CN104868403A (en) * | 2015-05-08 | 2015-08-26 | 国家电网公司 | Portable 120-to-400mm2 aluminum conductor steel reinforced cable shunting clamp and use method thereof |
| CN104868403B (en) * | 2015-05-08 | 2017-11-28 | 国家电网公司 | A kind of portable 120~400mm2Steel-cored aluminium strand shunt line fixture and application method |
| CN105305311A (en) * | 2015-11-25 | 2016-02-03 | 国网辽宁省电力有限公司阜新供电公司 | Safety protection method for distribution line live work |
| CN109473905A (en) * | 2018-11-07 | 2019-03-15 | 国网浙江桐乡市供电有限公司 | Distribution uninterrupted operation " 3+1 " insulating bar working system |
| CN109378606A (en) * | 2018-11-29 | 2019-02-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of conduction wire clamp |
| CN109378606B (en) * | 2018-11-29 | 2023-10-31 | 国网安徽省电力有限公司滁州供电公司 | Drainage wire clamp |
| CN109494616A (en) * | 2018-12-13 | 2019-03-19 | 国网山东省电力公司烟台供电公司 | A method of electrification connects 35kv zero load lead |
| CN110797796A (en) * | 2019-12-05 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Streamline operation method for breaking or connecting breaker of insulating short rod |
| CN112531564A (en) * | 2020-12-07 | 2021-03-19 | 国网上海市电力公司 | Bypass operation combined insulation short rod bridging method overhauling method |
| CN114039227A (en) * | 2021-11-09 | 2022-02-11 | 贵州电网有限责任公司 | Novel closed-phase assembled grounding wire |
| CN114039227B (en) * | 2021-11-09 | 2024-04-12 | 贵州电网有限责任公司 | Combined assembled grounding wire |
| CN114465153A (en) * | 2021-12-23 | 2022-05-10 | 国网浙江省电力有限公司金华供电公司 | Method for shearing reconnected 10kV overhead bare conductor under load |
| CN115459151A (en) * | 2022-10-27 | 2022-12-09 | 国网山东省电力公司菏泽供电公司 | Post insulator wire fixing device capable of working without power failure and using method |
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Open date: 20100602 |