CN201584701U - Tool for replacing 'V' string insulator of 220kV line in live state - Google Patents
Tool for replacing 'V' string insulator of 220kV line in live state Download PDFInfo
- Publication number
- CN201584701U CN201584701U CN2009202944074U CN200920294407U CN201584701U CN 201584701 U CN201584701 U CN 201584701U CN 2009202944074 U CN2009202944074 U CN 2009202944074U CN 200920294407 U CN200920294407 U CN 200920294407U CN 201584701 U CN201584701 U CN 201584701U
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- Prior art keywords
- lead screw
- line
- angle steel
- tie
- connecting plate
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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.)
- Expired - Lifetime
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- 239000012212 insulator Substances 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 19
- 210000005069 ears Anatomy 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model relates to a tool for replacing a 'V' string insulator of a 220kV line in a live state, comprising a bearing member and a V-shaped connecting plate member which are matched for use, wherein the bearing member comprises two same longitudinal first insulating pulling plates, a first line-tensioning lead screw and a double-split suspension wire hook; the first line-tensioning lead screw and the double-split suspension wire hook are respectively connected at the top ends and the bottom ends of the first insulating pulling plates along the longitudinal direction; the first line-tensioning lead screw is respectively and symmetrically sheathed with a first angle steel clamp; a horizontal double-headed lead screw, two ends of which are respectively lead screws, is connected between the two first angle steel clamps; the V-shaped connecting plate member comprises a longitudinal second insulating pulling plate, a second line-tensioning lead screw and a V-shaped connecting plate clamp; the second line-tensioning lead screw and the V-shaped connecting plate clamp are respectively connected at the top ends and the bottom ends of the second insulating pull plates; two lower lugs of the V-shaped connecting plate clamp are respectively provided with upward clamping hooks; and a second angle steel clamp is sheathed on the second line-tensioning lead screw. When in disassembling and assembling the insulating string, the tool has simple operation, safety, reliability and high operating efficiency and can reduce the labor intensity of operators.
Description
Technical field
The utility model relates to electric power transmission line live line working technical field, relates generally to a kind of instrument of charged for replacement insulator string.
Background technology
For the narrow circuit corridor of reasonable use; use " V " insulator string through regular meeting; " V " insulator string can limit the insulator string angle of oscillation to greatest extent, reduces the width in tower head size and circuit corridor simultaneously, thereby has reduced the cost of construction, operation and maintenance greatly.Because the insulator long-time running in the field, is subjected to the influence of various factors, the deterioration of insulator, damage are unavoidably.In order to guarantee the power supply reliability of 220kV transmission line, must change the insulator of deterioration, damage.And the 220kV transmission line is important passway for transmitting electricity, will produce greatly influence to operation of power networks and supply of electrical energy if the mode that adopt to have a power failure is changed insulator, even can not realize, selects the mode of live line working to change just to become inevitable.Prior art is when charged for replacement 220kV circuit " V " insulator string, employed instrument is the comparatively complicated combination tool of structure, its operation sequence trouble, operation complexity, operating personnel's labour intensity is big, and at the insulator string of different model and length, the applicable surface of every kind of combination tool is less.In addition, the insulator string of newly changing can't recover to put in place usually, can produce angular deflection, influences the fail safe and the reliability of circuit operation.
Summary of the invention
It is a kind of when charged for replacement 220kV circuit " V " insulator string that the purpose of this utility model provides for the deficiency that solves the prior art existence just, and the dismounting insulator string is simple to operate, safe and reliable, operating efficiency is high, can reduce operating personnel's labour intensity and be applicable to different model and the instrument of the insulator string of length.
The purpose of this utility model is achieved by the following technical solution.
The instrument of a kind of charged for replacement 220kV circuit " V " insulator string, this instrument comprise matching used load-carrying member and V-type yoke plate member; Described load-carrying member comprise identical two longitudinally the first insulation arm-tie, longitudinally be connected in first thread-tightening lead screw on two first insulation arm-tie tops and be connected in two division line hanging hooks of the first insulation arm-tie bottom respectively, symmetry is set with the first angle steel jig respectively on two first thread-tightening lead screws, is connected with the horizontal double end screw mandrel that two is screw mandrel between two first angle steel jigs of symmetry; Described V-type yoke plate member comprise one longitudinally the second insulation arm-tie, longitudinally be connected in second thread-tightening lead screw on the second insulation arm-tie top and be connected in the V-type yoke plate jig of the second insulation arm-tie bottom, two following ears of V-type yoke plate jig have grab upwards respectively, are set with the second angle steel jig on second thread-tightening lead screw.
The utility model compared with prior art, simple in structure, highly versatile is applicable to the insulator string of different model and length, the dismounting insulator string is simple to operate.Utilize the operation of this tool belt charged renewal 220kV transmission line straight line " V " insulator string easy, safe, reliable, reduced operating personnel's labour intensity, improved operating efficiency.
Further set forth content of the present utility model below in conjunction with Figure of description.
Description of drawings
Fig. 1 is the structural representation of the utility model load-carrying member;
The schematic diagram that Fig. 3 is used in combination for kit (iron tower and insulator omit);
Kit was lifted on the schematic diagram on the iron tower when Fig. 4 was operation;
Fig. 5 is the I partial enlarged drawing of Fig. 4.
Embodiment
Instrument of the present utility model comprises matching used load-carrying member and V-type yoke plate member.Load-carrying member comprise as shown in Figure 1 identical two longitudinally the first insulation arm-tie 4,4 ', respectively longitudinally be connected in first thread-tightening lead screw 1,1 on two first insulation arm-tie tops ' and be connected in two division line hanging hooks 5,5 of the first insulation arm-tie bottom ', two first thread-tightening lead screws 1,1 ' on respectively symmetry be set with the first angle steel jig 2,2 ', between two first angle steel jigs of symmetry, be connected with the horizontal double end screw mandrel 3 that two is screw mandrel.V-type yoke plate member comprise as shown in Figure 2 one longitudinally the second insulation arm-tie 8, longitudinally be connected in second thread-tightening lead screw 6 on the second insulation arm-tie top and be connected in the V-type yoke plate jig 9 of the second insulation arm-tie bottom, two following ears of V-type yoke plate jig have grab 9a, 9a ' upwards respectively, are set with the second angle steel jig 7 on second thread-tightening lead screw.
When utilizing load-carrying member and V-type yoke plate component composition charged for replacement 220kV circuit " V " insulator string, step operation as follows:
1. load-carrying member and V-type yoke plate member are hung on electric power tower successively, with load-carrying member and V-type yoke plate member as shown in Figure 3, Figure 4 respectively by the first angle steel jig 2,2 ' and the second angle steel jig 7 be fixed on the iron tower 13, V-type yoke plate member two first of load-carrying member insulation arm-ties 4,4 ' between, with the two division line hanging hooks 5,5 of two leads 11,11 up and down of transmission line ' be hung in ' on, with two grab 9a of V-type yoke plate jig 9,9a ' difference grab 10 both sides, steel angle of " V " insulator string firmly;
2. shift load: screw double end screw mandrel 3, screw simultaneously two first thread-tightening lead screws 1,1 ', the tension force of insulator string is transferred on the load-carrying member, be relaxed state to insulator string;
3. screw second thread-tightening lead screw 6 of V-type yoke plate member, strengthen a steel insulator pin angle and bowl space of head;
4. on the tower electrician with action bars take out insulator string by first connecting pin 12,12 of lead side ', free being connected of insulator string and lead; The electrician cooperates with the ground electrician on the tower, take out insulator string by second connecting pin 13,13 of cross-arm side ', free being connected of insulator string and cross-arm; With the insulation rope insulator string is applied to ground;
5. hang on new insulator string, first connecting pin 12,12 on the plug-in mounting ' new insulator string of recovery connects with lead again, and plug-in mounting second connecting pin 13,13 ' new insulator string of recovery is connected with cross-arm;
6. unscrew second thread-tightening lead screw 6, first thread-tightening lead screw 1,1 ' and double end screw mandrel 3, load-carrying member and V-type yoke plate member are taken off from electric power tower, promptly finish the charged for replacement of 220kV circuit " V " insulator string.
First connecting pin 12,12 ' and second connecting pin 13,13 ' be general W pin of industry or R pin.
Instrument of the present utility model and live line working method are adapted to all straight lines of 220kV " V " insulator string.
Claims (1)
1. the instrument of a charged for replacement 220kV circuit " V " insulator string is characterized in that, this instrument comprises matching used load-carrying member and V-type yoke plate member; Described load-carrying member comprise identical two longitudinally the first insulation arm-tie (4,4 '), longitudinally be connected in first thread-tightening lead screw (1,1 ') on two first insulation arm-tie tops and be connected in two line hanging hooks (5,5 ') that divide of the first insulation arm-tie bottom respectively, symmetry is set with the first angle steel jig (2,2 ') respectively on two first thread-tightening lead screws (1,1 '), is connected with the horizontal double end screw mandrel (3) that two is screw mandrel between two first angle steel jigs of symmetry; Described V-type yoke plate member comprise one longitudinally the second insulation arm-tie (8), longitudinally be connected in second thread-tightening lead screw (6) on the second insulation arm-tie top and be connected in the second V-type yoke plate jig (9) that insulate the arm-tie bottom, two following ears of V-type yoke plate jig (9) have grab (9a, 9a ') upwards respectively, are set with the second angle steel jig (7) on second thread-tightening lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202944074U CN201584701U (en) | 2009-12-15 | 2009-12-15 | Tool for replacing 'V' string insulator of 220kV line in live state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202944074U CN201584701U (en) | 2009-12-15 | 2009-12-15 | Tool for replacing 'V' string insulator of 220kV line in live state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584701U true CN201584701U (en) | 2010-09-15 |
Family
ID=42726713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202944074U Expired - Lifetime CN201584701U (en) | 2009-12-15 | 2009-12-15 | Tool for replacing 'V' string insulator of 220kV line in live state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136695A (en) * | 2010-12-28 | 2011-07-27 | 河北省电力公司超高压输变电分公司 | Overhauling tool used for +/-660kV direct-current transmission line |
| CN101814707B (en) * | 2009-12-15 | 2011-12-21 | 云南电网公司大理供电局 | Tool for live replacement of 220kV line 'V' string insulator and method |
| CN104600629A (en) * | 2015-02-12 | 2015-05-06 | 中国南方电网有限责任公司超高压输电公司百色局 | Compact-circuit six-bundled conductor linkage plate fixture and application thereof |
-
2009
- 2009-12-15 CN CN2009202944074U patent/CN201584701U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814707B (en) * | 2009-12-15 | 2011-12-21 | 云南电网公司大理供电局 | Tool for live replacement of 220kV line 'V' string insulator and method |
| CN102136695A (en) * | 2010-12-28 | 2011-07-27 | 河北省电力公司超高压输变电分公司 | Overhauling tool used for +/-660kV direct-current transmission line |
| CN102136695B (en) * | 2010-12-28 | 2012-11-28 | 河北省电力公司超高压输变电分公司 | Overhauling tool used for +/-660kV direct-current transmission line |
| CN104600629A (en) * | 2015-02-12 | 2015-05-06 | 中国南方电网有限责任公司超高压输电公司百色局 | Compact-circuit six-bundled conductor linkage plate fixture and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100915 Effective date of abandoning: 20091215 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100915 Effective date of abandoning: 20091215 |