CN105977860B - A kind of replacement overhead transmission line composite cross-arm insulator device and method - Google Patents
A kind of replacement overhead transmission line composite cross-arm insulator device and method Download PDFInfo
- Publication number
- CN105977860B CN105977860B CN201510823062.7A CN201510823062A CN105977860B CN 105977860 B CN105977860 B CN 105977860B CN 201510823062 A CN201510823062 A CN 201510823062A CN 105977860 B CN105977860 B CN 105977860B
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- China
- Prior art keywords
- support frame
- cross
- arm
- composite cross
- conductor support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012212 insulator Substances 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 11
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000035882 stress Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Abstract
The invention discloses a kind of replacement overhead transmission line composite cross-arm insulator devices, including conductor support frame, conductor support frame one end is equipped with the pulley blocks suspension centre for installing lifting lead wire, and the other end is equipped with the U-shaped anchor ear for being fixed on supporting rack on steel tube tower aerial earth wire cross-arm；The reinforcement tripod of intensity for improving conductor support frame is set on conductor support frame.Apparatus of the present invention are simple in structure, and installation operation is convenient, and can effectively be promoted and fix conducting wire, prevents wire dropping, substantially increases efficiency.It can be used for a replacement composite cross-arm insulator in the multiloop overhead transmission line of steel tube tower erection, effectively reduce frequency of power cut, it is ensured that power supply reliability realizes economic benefit, is the more economic values of social creativity.
Description
【Technical field】
The invention belongs to maintenance of overhead transmission line equipment technical fields, are related to a kind of compound cross of replacement overhead transmission line
Load insulation sub- instrument.
【Background technology】
To ensure power circuit power supply reliability, need periodically to safeguard transmission line of electricity, wherein a most important work
Work is exactly to replace composite insulator, and wherein composite cross-arm insulator is one kind in composite insulator again.Composite cross-arm insulator
Refer to and setting up the insulator of conducting wire with making cross-arm on steel tube tower.When being replaced to this composite cross-arm insulator, without special
Replacement tool, also without method appropriate.Harmful effect is caused to power circuit maintenance work, power supply reliability, gives line
Normal life, the production of resident, municipal administration and industrial and mining enterprises in the supply district of road affect.
【Invention content】
The object of the present invention is to provide a kind of replacement overhead transmission line composite cross-arm insulator device and methods, solve
The work of composite cross-arm insulator is replaced, technical ability replaces the compound cross-arm of overhead transmission line in time, and can ensure that power circuit supplies
Electric reliability；It is improved work efficiency again using the device and method simultaneously, reduces task difficulty, can safely and conveniently complete
Task, it is ensured that power circuit power supply reliability.
In order to achieve the above objectives, the present invention is achieved by the following scheme：
A kind of replacement overhead transmission line composite cross-arm insulator device, including conductor support frame, conductor support frame one end
Equipped with the pulley blocks suspension centre for installing lifting lead wire, the other end is equipped with for supporting rack to be fixed on steel tube tower aerial earth wire
U-shaped anchor ear on cross-arm；The reinforcement tripod of intensity for improving conductor support frame is set on conductor support frame.
The present invention, which further improves, to be：
The conductor support frame includes cross bar and the connecting rod that is vertically arranged on cross bar, and connecting rod is provided at both ends with screw thread,
The lower end of connecting rod is installed on by nut on cross bar, and upper end is arranged connection sheet, and is fixed by nut.
The cross bar is U-steel.
The reinforcement tripod is two round steel, and one end of two round steel makes to be fixed by bolts to the two of conductor support frame
End, the other end use the upper end for being bolted to connecting rod.
The pulley blocks suspension centre includes two pieces of yoke plates, and two pieces of yoke plates are fixed on conductor support frame two by upper and lower two bolts
Side.
U-shaped anchor ear is also equipped in the middle part of the conductor support frame.
The invention also discloses a kind of methods for replacing overhead transmission line composite cross-arm insulator, include the following steps：
1) composite cross-arm insulator device will be replaced first to be promoted to steel tube tower aerial earth wire hanging point position, use U-shaped armful
Hoop is installed on aerial earth wire cross-arm；
2) pulley blocks are promoted using transmission rope, and be suspended on the pulley blocks suspension centre of supporting rack one end；
3) other end of pulley blocks is mounted on the conducting wire for replacing composite cross-arm insulator erection needed；
4) lifting lead wire makes between suspension clamp and composite cross-arm insulator no longer stress, opens suspension clamp and compound cross
Insulator connection is carried on a shoulder pole, removes composite cross-arm insulator, and composite cross-arm insulator is dropped into ground；
5) promote new composite cross-arm insulator to answering installation site, and install it is firm；
6) restore the connection between suspension clamp and composite cross-arm insulator, and loosen pulley blocks rope, make conducting wire stress；
7) pulley blocks are removed and drop to ground；
8) it removes composite cross-arm insulator and drops to ground, replace composite cross-arm insulator and terminate.
Compared with prior art, the invention has the advantages that：
Apparatus of the present invention are simple in structure, and installation operation is convenient, and can effectively be promoted and fix conducting wire, prevents wire dropping,
Substantially increase efficiency.It can be used for a replacement composite cross-arm insulator in the multiloop overhead transmission line of steel tube tower erection,
Effectively reduce frequency of power cut, it is ensured that power supply reliability realizes economic benefit, is the more economic values of social creativity.
【Description of the drawings】
Fig. 1 is the axonometric drawing of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the left view of the present invention；
Fig. 4 is the vertical view of the present invention；
Fig. 5 is the structural schematic diagram of the U-shaped anchor ear of the present invention；
Wherein 1 is conductor support frame；2 be pulley blocks suspension centre；3 be reinforcement tripod；4 be U-shaped anchor ear；5 be connecting rod.
【Specific implementation mode】
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1 to Fig. 5, apparatus of the present invention, including conductor support frame 1,1 one end of conductor support frame is equipped with to be carried for installing
The pulley blocks suspension centre 2 of conducting wire is risen, the other end and middle part are equipped with for supporting rack to be fixed on steel tube tower aerial earth wire cross-arm
U-shaped anchor ear 4；The reinforcement tripod 3 of intensity for improving conductor support frame 1 is set on conductor support frame 1.Conductor support frame
1 includes cross bar and the connecting rod 5 being vertically arranged on cross bar, and connecting rod 5 is provided at both ends with screw thread, and the lower end of connecting rod 5 passes through nut
It is installed on cross bar, upper end is arranged connection sheet, and is fixed by nut.Cross bar is U-steel.Reinforcement tripod 3 is two circles
Steel, one end of two round steel are respectively welded at the both ends of conductor support frame 1,.The other end is welded on the connection sheet of 5 upper end of connecting rod
On.Pulley blocks suspension centre 2 includes two pieces of yoke plates, and two pieces of yoke plates are fixed on 1 both sides of conductor support frame by upper and lower two bolts.
The method that the present invention replaces overhead transmission line composite cross-arm insulator, includes the following steps：
1) composite cross-arm insulator device will be replaced first to be promoted to steel tube tower aerial earth wire hanging point position, use U-shaped armful
Hoop is installed on aerial earth wire cross-arm；
2) pulley blocks are promoted using transmission rope, and be suspended on the pulley blocks suspension centre of supporting rack one end；
3) other end of pulley blocks is mounted on the conducting wire for replacing composite cross-arm insulator erection needed；
4) lifting lead wire makes between suspension clamp and composite cross-arm insulator no longer stress, opens suspension clamp and compound cross
Insulator connection is carried on a shoulder pole, removes composite cross-arm insulator, and composite cross-arm insulator is dropped into ground；
5) promote new composite cross-arm insulator to answering installation site, and install it is firm；
6) restore the connection between suspension clamp and composite cross-arm insulator, and loosen pulley blocks rope, make conducting wire stress；
7) pulley blocks are removed and drop to ground；
8) it removes composite cross-arm insulator and drops to ground, replace composite cross-arm insulator and terminate.
By taking 110 kilovolts of XX circuit #05 tower composite cross-arm insulators operation time limits expire and need to change and inspected by random samples as an example, at present
Circuit does not occur operation exception also, but is not inspected by random samples to circuit composite cross-arm insulator, is likely to result in insulator dielectric water
Flat aging, Insulator detection influence about 200,000 family of user that powers to cause power circuit ground connection, wire dropping accident.Transmission of electricity
Livewire work class staff, which determines to use after carrying out site inspection, replaces composite cross-arm insulator device and method into traveling
Row replacement operation.
The above content is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every to press
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within claims of the present invention
Protection domain within.
Claims (1)
1. a kind of method for replacing overhead transmission line composite cross-arm insulator, the method are based on a kind of replacement overhead transmission line
Road composite cross-arm insulator device, including conductor support frame (1), conductor support frame (1) one end are equipped with for installing lifting lead wire
Pulley blocks suspension centre (2), the other end is equipped with the U-shaped anchor ear for being fixed on supporting rack on steel tube tower aerial earth wire cross-arm
(4)；The reinforcement tripod (3) of intensity for improving conductor support frame (1) is set on conductor support frame (1)；
The conductor support frame (1) includes cross bar and the connecting rod (5) that is vertically arranged on cross bar, and connecting rod (5) are provided at both ends with
The lower end of screw thread, connecting rod (5) is installed on by nut on cross bar, and upper end is arranged connection sheet, and is fixed by nut；The cross bar
For U-steel；
The pulley blocks suspension centre (2) includes two pieces of yoke plates, and two pieces of yoke plates are fixed on conductor support frame (1) by upper and lower two bolts
Both sides；
The reinforcement tripod (3) is two round steel, and one end of two round steel makes to be fixed by bolts to conductor support frame (1)
Both ends, the other end use the upper end for being bolted to connecting rod (5)；It is also equipped with U-shaped anchor ear in the middle part of the conductor support frame (1)
(4)；It is characterized in that, the described method comprises the following steps：
1) composite cross-arm insulator device will be replaced first to be promoted to steel tube tower aerial earth wire hanging point position, it will using U-shaped anchor ear
It is mounted on aerial earth wire cross-arm；
2) pulley blocks are promoted using transmission rope, and be suspended on the pulley blocks suspension centre of supporting rack one end；
3) other end of pulley blocks is mounted on the conducting wire for replacing composite cross-arm insulator erection needed；
4) lifting lead wire makes between suspension clamp and composite cross-arm insulator no longer stress, opens suspension clamp and compound cross-arm is exhausted
Edge connects, and removes composite cross-arm insulator, and composite cross-arm insulator is dropped to ground；
5) promote new composite cross-arm insulator to answering installation site, and install it is firm；
6) restore the connection between suspension clamp and composite cross-arm insulator, and loosen pulley blocks rope, make conducting wire stress；
7) pulley blocks are removed and drop to ground；
8) it removes composite cross-arm insulator and drops to ground, replace composite cross-arm insulator and terminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823062.7A CN105977860B (en) | 2015-11-23 | 2015-11-23 | A kind of replacement overhead transmission line composite cross-arm insulator device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823062.7A CN105977860B (en) | 2015-11-23 | 2015-11-23 | A kind of replacement overhead transmission line composite cross-arm insulator device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105977860A CN105977860A (en) | 2016-09-28 |
| CN105977860B true CN105977860B (en) | 2018-10-02 |
Family
ID=56988445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823062.7A Active CN105977860B (en) | 2015-11-23 | 2015-11-23 | A kind of replacement overhead transmission line composite cross-arm insulator device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105977860B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904824B (en) * | 2019-03-14 | 2021-01-01 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Small wire line lifting cross arm |
| CN114482674A (en) * | 2020-11-13 | 2022-05-13 | 上海神马电力工程有限公司 | Transformation method of power transmission tower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670988A (en) * | 2009-08-25 | 2010-03-17 | 山东迅实电气有限公司 | Hoisting tool for electric distribution network overhead wire |
| CN201490624U (en) * | 2009-05-31 | 2010-05-26 | 华北电网有限公司廊坊供电公司 | Fixture for replacing line linear insulator under electrification |
| CN202888721U (en) * | 2012-11-15 | 2013-04-17 | 国家电网公司 | Wire fixing device |
| CN202917892U (en) * | 2012-08-31 | 2013-05-01 | 国家电网公司 | Replacing tool for supporting insulator of tubular busbar |
| CN203932836U (en) * | 2014-07-03 | 2014-11-05 | 国家电网公司 | Angle pole china bottle replacement servicing unit |
| US8991790B2 (en) * | 2012-02-02 | 2015-03-31 | Andrew Herman | Multiple action hoist |
-
2015
- 2015-11-23 CN CN201510823062.7A patent/CN105977860B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490624U (en) * | 2009-05-31 | 2010-05-26 | 华北电网有限公司廊坊供电公司 | Fixture for replacing line linear insulator under electrification |
| CN101670988A (en) * | 2009-08-25 | 2010-03-17 | 山东迅实电气有限公司 | Hoisting tool for electric distribution network overhead wire |
| US8991790B2 (en) * | 2012-02-02 | 2015-03-31 | Andrew Herman | Multiple action hoist |
| CN202917892U (en) * | 2012-08-31 | 2013-05-01 | 国家电网公司 | Replacing tool for supporting insulator of tubular busbar |
| CN202888721U (en) * | 2012-11-15 | 2013-04-17 | 国家电网公司 | Wire fixing device |
| CN203932836U (en) * | 2014-07-03 | 2014-11-05 | 国家电网公司 | Angle pole china bottle replacement servicing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105977860A (en) | 2016-09-28 |
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