CN106229881A - Enter the method for 500/220 kilovolt of multiple-loop line transmission line of electricity electric field and rope ladder head used - Google Patents
Enter the method for 500/220 kilovolt of multiple-loop line transmission line of electricity electric field and rope ladder head used Download PDFInfo
- Publication number
- CN106229881A CN106229881A CN201610635282.1A CN201610635282A CN106229881A CN 106229881 A CN106229881 A CN 106229881A CN 201610635282 A CN201610635282 A CN 201610635282A CN 106229881 A CN106229881 A CN 106229881A
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- rope ladder
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- electric field
- ladder head
- kilovolt
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- 230000005684 electric field Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000009194 climbing Effects 0.000 claims 1
- 208000019901 Anxiety disease Diseases 0.000 abstract 1
- 230000036506 anxiety Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention relates to a kind of method entering 500/220 kilovolt of multiple-loop line transmission line of electricity electric field and rope ladder head used, the tail end of rope ladder is fixed on tower body correct position；Ground coordinates personnel to be pulled along ground wire to away from tower body direction by rope ladder head；Equipotential live line work personnel climb up rope ladder at tower body；Earth potential working personnel discharge rope ladder tail end tricing line, make rope ladder tail end enter electric field near wire, equipotential live line work personnel.Rope ladder head is provided with self-locking device, self-locking device includes spring (32), connecting rod (33), stay cord (35), compressing member (36) and the abutment (37) being fixedly installed on rope ladder head, equipotential live line work personnel one climb up rope ladder, just self-locking device is triggered, stay cord (35) is tightened, and rope ladder head can not slide along ground wire.Utilizing the method, operating personnel can pass in and out electric field smoothly, solves 500/220 kilovolt of multiple-loop line transmission line of electricity because of many combinational gaps complexity, safe distance anxiety, the problem that operating personnel is difficult to pass in and out electric field.
Description
Technical field
The present invention relates to the method for 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of a kind of entrance and the soft of improvement used
Ladder head.
Background technology
Multiple-loop line transmission line of electricity can subtract while improving unit are transmission capacity, meeting power transmission demand
Few comprehensive cost and line corridor cost, have obvious economic benefit and social benefit.Because of multiple-loop line transmission line of electricity full cut-off
Maintenance probability is low, and it is particularly important that defect elimination work is carried out in livewire work.The most how entering electric field is that livewire work primarily solves
Problem, 500/220 kilovolt of multiple-loop line transmission line of electricity, because many combinational gaps are complicated, safe distance is nervous, uses traditional rope ladder
Method, operating personnel cannot pass in and out highfield.
Summary of the invention
It is an object of the invention to provide a kind of method of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field and used of entering
The rope ladder head improved, it is possible to pass in and out highfield easily, method is implemented simple.
The technical scheme is that a kind of method entering 500/220 kilovolt of multiple-loop line transmission line of electricity electric field, including
Following step:
A. rope ladder head and insulated flexible ladder being suspended on ground wire, the tail end of rope ladder is fixed on tower body correct position；
B. ground coordinates personnel to be pulled along ground wire to away from tower body direction by rope ladder head；
C. equipotential live line work personnel climb up rope ladder at tower body；
D. earth potential working personnel discharge rope ladder tail end tricing line, make rope ladder tail end enter near wire, equipotential live line work personnel
Electric field；
Described rope ladder head is provided with self-locking device, and self-locking device includes spring 32, connecting rod 33, stay cord 35, compressing member 36 and fixes
The abutment 37 being arranged on rope ladder head；
Spring 32 one end is connected on rope ladder head, and the other end is connected with connecting rod 33 tail end, and connecting rod 33 head end is fixed with compressing member
36, connecting rod 33 can be rotatably set on rope ladder head；
Stay cord 35 one end is connected to connecting rod 33 tail end, and the other end ties up on rope ladder, and equipotential live line work personnel one climb up rope ladder, just touch
From locking device so that stay cord 35 is tightened, by ground clamp between, rope ladder head can not be along ground for compressing member 36 and abutment 37
Line slides.
Further, the tail end of rope ladder is fixed on wire cross-arm.
Further, ground coordinates personnel to be pulled along ground wire to away from tower body direction by rope ladder head, it is ensured that rope ladder head and ferrum
Tower keeps enough safe distances.
Further, at rope ladder in wire process, equipotential live line work personnel adjust oneself position on rope ladder, make
The shoulder of oneself is tried one's best concordant with wire.
Further, when isoelectric level personnel's distance of wire about 0.4m distance, earth potential working personnel accelerate insulating cord and release
Putting speed, isoelectric level personnel catch rapidly wire, are successfully entered isoelectric level.
Rope ladder head used in the process of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance that the present invention provides,
Rope ladder head is provided with self-locking device, and self-locking device includes spring 32, connecting rod 33, stay cord 35, compressing member 36 and is fixedly installed
Abutment 37 on rope ladder head；
Spring 32 one end is connected on rope ladder head, and the other end is connected with connecting rod 33 tail end, and connecting rod 33 head end is fixed with compressing member
36, connecting rod 33 can be rotatably set on rope ladder head；
Stay cord 35 one end is connected to connecting rod 33 tail end, and the other end ties up on rope ladder in use, and equipotential live line work personnel one climb up
Rope ladder, just triggers self-locking device so that stay cord 35 is tightened, and wire is clipped in therebetween by compressing member 36 and abutment 37, rope ladder
Head can not slide along wire.
Described self-locking device is arranged on the lower section of the pulley of rope ladder head.
Described connecting rod 33 is rotatably connected on rope ladder head by rotating shaft 34.
Described compressing member 36 and abutment 37 are semicircular arc.
Described compressing member 36 and abutment 37 clamp wire from upper and lower side respectively.
When the rope ladder head that the present invention improves is used for 500/220 kilovolt of multiple-loop line hot line maintenance, isoelectric level people
Member's turnover electric field, is suspended on ground wire, can realize being inspired rope ladder head self-locking and reset by weight change on rope ladder.
The method entering electric field that the present invention is specific to 500/220 kilovolt of multiple-loop line transmission line of electricity and proposes, this
Inventive method has the advantage that
1) utilizing the method, operating personnel can pass in and out electric field smoothly, solves 500/220 kilovolt of multiple-loop line transmission line of electricity because of many
Combinational gap is complicated, safe distance is nervous, the problem that operating personnel is difficult to pass in and out electric field；
2) rope ladder head has the self-locking and reset function inspired with weight change, when operating personnel climbs rope ladder, rope ladder position
Do not change, can effective guarantee operating personnel's safety.
Accompanying drawing explanation
Accompanying drawing 1 is 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance of one detailed description of the invention of the present invention
Method schematic diagram.
Accompanying drawing 2 is the rope ladder head schematic diagram of one specific embodiment of the present invention.
Wherein, position one S1, position two S2, position three S3, ground wire A, wire B, along ground wire drag direction d, ground wire cross-arm
1, wire cross-arm 2, rope ladder 3, rope ladder tail end tricing line 4, pulley 5, fixed component 31, spring 32, connecting rod 33, rotating shaft 34, stay cord
35, compressing member 36, abutment 37.
Detailed description of the invention
Such as Fig. 2, for the rope ladder head of one specific embodiment of the present invention, a self-locking is set below the pulley 5 of rope ladder head
Device, self-locking device can be arranged on rope ladder head by fixed component 31.Self-locking device include spring 32, connecting rod 33, stay cord 35,
Compressing member 36, abutment 37.
Spring 32 one end is arranged on rope ladder head by fixed component 31, and the other end is connected with connecting rod 33 tail end.Connecting rod 33
It can be such as brake block that head end is fixedly installed compressing member 36().Connecting rod 33 is rotatably connected on rope ladder head by rotating shaft 34.
Stay cord 35 one end is connected to connecting rod 33 tail end, and the other end tightens with rope ladder 3 when using.
Abutment 37 is fixedly installed on rope ladder head.Compressing member 36 and abutment 37 can be semicircular arc, in order to by ground wire A
It is clipped in therebetween.
During operation, after rope ladder 3 and rope ladder head connect, rope ladder head is hung on ground wire A, abutment 37 is against wire
Above B, being tied up to by stay cord 35 at rope ladder 3 correct position, now due to the pulling force of spring 32, the weight of rope ladder can't trigger certainly
Locking device, rope ladder head can slide along ground wire A.Once people climbs up rope ladder, triggers self-locking device so that stay cord 35 is tightened, spring 32
Elongation, stay cord 35 pulls downward on connecting rod 33, and connecting rod 33 rotates counterclockwise, and compressing member 36 contacts ground wire A, is tightly clipped in by ground wire A
Central authorities, fix rope ladder head, and rope ladder head can not slide along ground wire A.People once leave rope ladder, spring reset.
Accompanying drawing 1 is 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of turnover of one detailed description of the invention of the present invention
Method schematic diagram, specifically includes following step:
1), after ground coordinates personnel to be combined with insulated flexible ladder by rope ladder head, personnel coordinate with earth potential, are suspended on ground by rope ladder head
On line, the tail end of rope ladder is fixed on tower body correct position (wire cross-arm 2 root somewhere in such as figure), and now rope ladder is in position
One S1；
2) ground coordinates personnel to be pulled along ground wire to away from tower body direction by rope ladder head, it is ensured that rope ladder head and steel tower keep enough
Safe distance, now rope ladder is in position two S2；
3) equipotential live line work personnel climb up rope ladder at tower body (at wire cross-arm 2), trigger the self-locking device of rope ladder head, the softest
Ladder head cannot move along ground wire；
4) earth potential working personnel (being positioned at wire cross-arm 2) release rope ladder tail end tricing line 4, makes rope ladder tail end the most close
Wire (such as figure position three S3), at rope ladder in wire process, equipotential live line work personnel adjust oneself position on rope ladder,
The shoulder making oneself is tried one's best concordant with wire；
5) when isoelectric level personnel's distance of wire 0.4m distance, earth potential working personnel accelerate insulating cord rate of release, isoelectric level
Personnel catch rapidly wire, are successfully entered isoelectric level；
6) after equipotential live line work personnel enter electric field, by rope ladder bolt on wire, and run to trouble point along wire, complete corresponding
Job task；
7), when going out electric field, equipotential live line work personnel return to fixing rope ladder position, and climb up rope ladder, untie rope ladder；
8) earth potential working personnel tighten up insulation ropes, when isoelectric level personnel and wire 0.4m distance, and earth potential working personnel
Accelerating to tighten up insulating cord speed, isoelectric level personnel unclamp rapidly wire, successfully exit electric field.
Claims (10)
1. the method entering 500/220 kilovolt of multiple-loop line transmission line of electricity electric field, it is characterised in that include following step:
A. rope ladder head and insulated flexible ladder being suspended on ground wire, the tail end of rope ladder is fixed on tower body correct position；
B. ground coordinates personnel to be pulled along ground wire to away from tower body direction by rope ladder head；
C. equipotential live line work personnel climb up rope ladder at tower body；
D. earth potential working personnel discharge rope ladder tail end tricing line, make rope ladder tail end enter near wire, equipotential live line work personnel
Electric field；
Described rope ladder head is provided with self-locking device, and self-locking device includes spring (32), connecting rod (33), stay cord (35), compressing member
And the abutment (37) that is fixedly installed on rope ladder head (36)；
Spring (32) one end is connected on rope ladder head, and the other end is connected with connecting rod (33) tail end, and connecting rod (33) head end is fixed with
Compressing member (36), connecting rod (33) can be rotatably set on rope ladder head；
Stay cord (35) one end is connected to connecting rod (33) tail end, and the other end ties up on rope ladder, and equipotential live line work personnel one climb up rope ladder,
Just trigger self-locking device so that stay cord (35) is tightened, compressing member (36) and abutment (37) by ground clamp between, rope ladder
Head can not slide along ground wire.
The method of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 1, its feature exists
In: the tail end of rope ladder is fixed on wire cross-arm.
The method of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 1, its feature exists
In: ground coordinates personnel to be pulled along ground wire to away from tower body direction by rope ladder head, it is ensured that rope ladder head and steel tower keep enough peaces
Full distance.
The method of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 1, its feature exists
In: at rope ladder in wire process, equipotential live line work personnel adjust oneself position on rope ladder, make the shoulder of oneself as far as possible
Concordant with wire.
The method of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 1, its feature exists
In: during when isoelectric level personnel's distance of wire about 0.4m distance, earth potential working personnel accelerate insulating cord rate of release, isoelectric level people
Member catches rapidly wire, is successfully entered isoelectric level.
6. one kind enters rope ladder head used in the process of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field, it is characterised in that:
Rope ladder head is provided with self-locking device, self-locking device include spring (32), connecting rod (33), stay cord (35), compressing member (36) and
The abutment (37) being fixedly installed on rope ladder head；
Spring (32) one end is connected on rope ladder head, and the other end is connected with connecting rod (33) tail end, and connecting rod (33) head end is fixed with
Compressing member (36), connecting rod (33) can be rotatably set on rope ladder head；
Stay cord (35) one end is connected to connecting rod (33) tail end, and the other end ties up on rope ladder in use, equipotential live line work personnel one
Climbing up rope ladder, just trigger self-locking device so that stay cord (35) is tightened, wire is clipped in the two by compressing member (36) and abutment (37)
Between, rope ladder head can not slide along wire.
Rope ladder head used in the process of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 6,
It is characterized in that: self-locking device is arranged on the lower section of the pulley of rope ladder head.
Rope ladder head used in the process of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 6,
It is characterized in that: connecting rod (33) is rotatably connected on rope ladder head by rotating shaft (34).
Rope ladder head used in the process of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 6,
It is characterized in that: compressing member (36) and abutment (37) are semicircular arc.
Rope ladder used in the process of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field of entrance the most according to claim 9
Head, it is characterised in that: compressing member (36) and abutment (37) clamp wire from upper and lower side respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635282.1A CN106229881B (en) | 2016-08-05 | 2016-08-05 | Into the method and rope ladder head used of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635282.1A CN106229881B (en) | 2016-08-05 | 2016-08-05 | Into the method and rope ladder head used of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229881A true CN106229881A (en) | 2016-12-14 |
| CN106229881B CN106229881B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610635282.1A Active CN106229881B (en) | 2016-08-05 | 2016-08-05 | Into the method and rope ladder head used of 500/220 kilovolt of multiple-loop line transmission line of electricity electric field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905719A (en) * | 2017-10-31 | 2018-04-13 | 国网河南省电力公司检修公司 | A kind of electric power overhaul ladder |
| CN108640051A (en) * | 2018-07-19 | 2018-10-12 | 国网辽宁省电力有限公司盘锦供电公司 | Insulated lifting device |
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| CN201802298U (en) * | 2010-09-29 | 2011-04-20 | 新疆电力公司昌吉电业局 | Overhead power transmission line electrified ladder head locking device |
| DE202013006652U1 (en) * | 2013-07-24 | 2013-08-23 | Schwemmer & Dorn + Co Gmbh | mast Head |
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| CN104979776A (en) * | 2015-07-10 | 2015-10-14 | 中国电力科学研究院 | Method for entering equipotential level for tension support of UHV transmission line |
| CN205039456U (en) * | 2015-10-23 | 2016-02-17 | 江苏省电力公司无锡供电公司 | Patrol and examine electric ranaway for single string |
| CN105429046A (en) * | 2015-12-17 | 2016-03-23 | 国家电网公司 | Rope ladder head used for equipotential live working and application method therefor |
| CN205863782U (en) * | 2016-08-05 | 2017-01-04 | 国网湖南省电力公司带电作业中心 | Rope ladder head used during entering 500/220 kilovolt of multiple-loop line transmission line of electricity electric field |
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2016
- 2016-08-05 CN CN201610635282.1A patent/CN106229881B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010007283U1 (en) * | 2010-05-20 | 2010-08-26 | GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | Ladder fuse for a ladder |
| CN201802298U (en) * | 2010-09-29 | 2011-04-20 | 新疆电力公司昌吉电业局 | Overhead power transmission line electrified ladder head locking device |
| DE202013006652U1 (en) * | 2013-07-24 | 2013-08-23 | Schwemmer & Dorn + Co Gmbh | mast Head |
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| CN104979776A (en) * | 2015-07-10 | 2015-10-14 | 中国电力科学研究院 | Method for entering equipotential level for tension support of UHV transmission line |
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| CN205863782U (en) * | 2016-08-05 | 2017-01-04 | 国网湖南省电力公司带电作业中心 | Rope ladder head used during entering 500/220 kilovolt of multiple-loop line transmission line of electricity electric field |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905719A (en) * | 2017-10-31 | 2018-04-13 | 国网河南省电力公司检修公司 | A kind of electric power overhaul ladder |
| CN107905719B (en) * | 2017-10-31 | 2019-02-22 | 国网河南省电力公司检修公司 | A kind of electric power overhaul ladder |
| CN108640051A (en) * | 2018-07-19 | 2018-10-12 | 国网辽宁省电力有限公司盘锦供电公司 | Insulated lifting device |
| CN108640051B (en) * | 2018-07-19 | 2024-02-02 | 国网辽宁省电力有限公司盘锦供电公司 | Insulating lifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106229881B (en) | 2017-11-03 |
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Address after: 410100 No. 8 Lixiangzhong Road, Changsha Economic Development Zone, Hunan Province Co-patentee after: STATE GRID HUNAN ELECTRIC POWER Co.,Ltd. Patentee after: THE LIVE WORKING CENTER OF HUNAN ELECTRIC POWER Corp. Co-patentee after: STATE GRID CORPORATION OF CHINA Co-patentee after: HUNAN PEACE PROSPERITY ELECTRIC Ltd. Address before: 410100 No. 8 Lixiangzhong Road, Changsha Economic Development Zone, Hunan Province Co-patentee before: STATE GRID HUNAN ELECTRIC POWER Co. Patentee before: THE LIVE WORKING CENTER OF HUNAN ELECTRIC POWER Corp. Co-patentee before: State Grid Corporation of China Co-patentee before: HUNAN PEACE PROSPERITY ELECTRIC Ltd. |
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Effective date of registration: 20190325 Address after: 410004 Xiangchaoyuan Experimental Building, 339 Xinshaodong Road, Tianxin District, Changsha City, Hunan Province Co-patentee after: STATE GRID HUNAN ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED, MAINTENANCE Co. Co-patentee after: STATE GRID CORPORATION OF CHINA Address before: 410100 No. 8 Lixiangzhong Road, Changsha Economic Development Zone, Hunan Province Co-patentee before: STATE GRID HUNAN ELECTRIC POWER Co.,Ltd. Patentee before: THE LIVE WORKING CENTER OF HUNAN ELECTRIC POWER Corp. Co-patentee before: STATE GRID CORPORATION OF CHINA Co-patentee before: HUNAN PEACE PROSPERITY ELECTRIC Ltd. |