CN201252363Y - Combined tool for replacing a linear insulator of an electric transmission line - Google Patents
Combined tool for replacing a linear insulator of an electric transmission line Download PDFInfo
- Publication number
- CN201252363Y CN201252363Y CNU2008200272133U CN200820027213U CN201252363Y CN 201252363 Y CN201252363 Y CN 201252363Y CN U2008200272133 U CNU2008200272133 U CN U2008200272133U CN 200820027213 U CN200820027213 U CN 200820027213U CN 201252363 Y CN201252363 Y CN 201252363Y
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- Prior art keywords
- lead
- rope
- hand
- wire grip
- transmission line
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- Expired - Lifetime
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Abstract
The utility model relates to a combined tool replacing a linear insulator of an electric transmission line. The combined tool is characterized by comprising a high-strength fiber rope, a hand tightener and a flexible ladder; one end of the high-strength fiber rope is provided with a connecting piece and the other end thereof is connected with the tightener; and one end of the tightener is connected with the flexible ladder and the other end thereof is connected with a connecting hook. When operators repair the line and need to go down to the lead or lift the lead, the high-strength fiber rope is firstly wound on a lead crossarm so as to lead the hook of the lower end of the flexible ladder to hook the lead; then a ratchet spanner tightening flexible ladder is used for lifting the lead; the operators is fastened by a safety rope and go down to the lead to operate under the protection of the safety belt. The utility model reduces the weight of the tool, reduces the operating difficulty and improves the working efficiency.
Description
Technical field
The utility model belongs to the Maintenance of Electric Transmission Line service kit, and particularly a kind of 110KV transmission line is changed the instrument of straight line insulator.
Background technology
The insulator widespread usage is porcelain formula and composite material matter in the present transmission line.Because the insulator that uses in the circuit, the withstand voltage effect of electrical equipment that will bear relevant voltage grade electric parameter on the one hand, bear the load of overhead line structures gold utensil, lead, vertical and longitudinal force on the other hand again, and have the outside wind load that causes naturally, lead to carry out ice, lead owing to wind-induced vibrations, wave to insulator and bring various fatigues and strain, wear out etc.According to rules and international customary recommend method, need be to long-time running, aging serious, long-term depreciation, various performance index descend, and reach retired standard, and more the changing jobs of the electric transmission line isolator that causes of major repair of track, transformation, newly-built and various accident.Circuit cathetus shaft tower accounts for 80% of whole overhead line structures, and the Method and kit for that replacing straight line pole insulator was adopted in the past is backward relatively.Check man's technology rules regulation according to electric network operation: change the main 3 kinds of methods of customary method of insulator, the one, live line working method, the 2nd, indirect live line working method, the 3rd, line outage working system.
Plan and specifically implement the operation or work standard requirement according to specification requirements such as workload, weather, the maintenance of whole electrical network,, promote to such an extent that mainly replacing method is to choose the third method now from safety, reliable and operating risk coefficient balance.Normally according to plan and the unified scheduling arrangement that has a power failure.After work unit and personnel wait for that the whole piece circuit has stopped electricity; Send work order; The staff fulfils the work formality, handles work ticket, explains safety measure and dangerous spot; Operating personnel's electrical verification, carry out safety measure, after grounding measures is carried out in protection section both sides; Can begin to step on the work that bar is changed insulator.Change insulator and belong to work high above the ground from technical the saying of operating environment; Since with equipment more, the instrument that adds use mostly is operating conditions such as jack cucurbit, standby steel wire cover, assembly pulley and belongs to high-risk status; More changing jobs is generally two people's operations on the bar, and operation and the scene of monitoring two people under bar center on the guarantee services on the bar.The personnel that work on the whole bar are from preparing replacing, need again and again up and down the personnel will operation twice on the tense-lax lead, and intermediate demand is reconciled each size distance, and personnel are difficult to effectively cooperate be transferred to just in time suitable distance on the bar, under the bar.
The existing employed instrument of insulator of changing mainly comprises jack cucurbit, assembly pulley, safety rope, hard ladder, transmits rope etc., and total weight reaches 20Kg, complex procedures, and the needed time is long.On the operation process king-rod with bar under the personnel labor intensity height, cause muscular fatigue to cause danger easily.Personnel on the bar particularly, accidents such as falling object from high altitude very easily take place in operation on the narrow and small shaft tower in space.
Summary of the invention
Technical problem to be solved in the utility model provides the combination tool that a kind of transmission line is changed the straight line insulator, reduces instrument weight, reduces task difficulty, raises labour efficiency.
The utility model transmission line is changed the combination tool of straight line insulator, it is characterized in that comprising that high strength fibre rope, hand pull wire grip and rope ladder, high strength fibre rope one end has connector, the other end is pulled wire grip with hand and is connected, the other end that hand is pulled wire grip is connected with rope ladder, the other end coupling hook of rope ladder.
It can be commercially available various suitable constructed products that described hand is pulled wire grip, and the utility model preferably adopts the ratchet hand to pull wire grip, and two ends have the pulley hook respectively.Wire grip is as lifting tool, adopts load greater than 2 tons ratchet palm wire grip, tightens up and loosens by adjusting the adjustment of ratchet rotation direction.Load-bearing material is selected high strength fibre rope (as diameter 10mm), can proof strength, alleviated weight again.If select steel wire rope for use, do not reach the purpose of loss of weight.Original replacing instrument adopts old-fashioned hard ladder, causes danger easily in the line process under the maintainer, and the utility model adopts the rope ladder of adjustable in length, can guarantee safety.
Advantage of the present utility model:
(1) reduced instrument weight.The high strength fibre rope that adopts diameter 10mm is as main material; Select to adopt the ratchet palm wire grip of loading greater than 2 tons.The instrument total weight is less than 10Kg, like this can proof strength, alleviated weight again.
(2) reduce the staff, reduced task difficulty.Need 2 people on the former operation bar, need 1 people's operation to get final product on the utility model bar, the required stressed distance of the insulator that personnel can will change on bar simply, optimization is accomplished in adjustment, realize laborsaving, save time, reduce to prolong, guaranteed that operating personnel's operation power center is stable on the bar, accomplish safe and reliable operation because of the expansion of the excessive various out-of-balance forces that cause of operation distance.
(3) compare with conventional tool, the utility model weight alleviates greatly, has reduced staff's labour intensity, has guaranteed safety in production indirectly.Personnel reduce to 1 people by 2～3 people on the bar, change time average and reduce 17 minutes, have improved efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 pulls the wire grip structural representation for the ratchet hand.
Among the figure: 1 connector, 2 high strength fibre ropes, 3 ratchet hands are pulled wire grip 4 rope ladders 5 hooks 6 pulley hooks 7 chain wheel ropes 8 ratchets 9 pulley hooks 10 spanners
Embodiment
Fig. 1, Fig. 2 are example structure schematic diagram of the present utility model.Below in conjunction with description of drawings the utility model.
The 110KV transmission line is changed the combination tool of straight line insulator, comprise that load bearing element high strength fibre rope 2, lifting tool ratchet hand pull wire grip 3 and rope ladder 4, high strength fibre rope 2 one ends have connector 1, the other end is pulled wire grip 3 with the ratchet hand and is connected, the other end that the ratchet hand is pulled wire grip is connected with rope ladder 4, the other end coupling hook 5 of rope ladder 4.Pull wire grip as Fig. 2 for a kind of ratchet hand of known configurations mode, just change chain wheel rope 7 into the high strength fibre rope by original steel wire rope.This ratchet hand is pulled the wire grip two ends and is had the pulley hook, and convenience is connected with load bearing element and rope ladder.
0.9 meter of rope ladder 4 length are tightened up 0.5 meter of scope, load greater than 2.0 tons, a complete set of deadweight 6Kg.High strength fibre rope 2 diameters are 10cm, and the ratchet hand is pulled the load of wire grip 3 greater than 2 tons.When the operation personnel overhaul that circuit need play on the lead or promote lead; earlier with high strength fibre rope 2 lash on the lead cross-arm; make the hook of rope ladder lower end hook lead; re-use ratchet spanner and tighten up rope ladder lifting lead; the operating personnel fastens the security insurance rope; under the protection of safety belt, get final product operation to lead down.Earlier the link of insulator and lead is taken, taken an end that is connected in the lead cross-arm again, change new insulator then.The arming rope loosens wire grip after hours, recalls complete unit and puts into knapsack and get final product.
Claims (2)
1, a kind of transmission line is changed the combination tool of straight line insulator, it is characterized in that comprising that high strength fibre rope (2), hand pull wire grip and rope ladder (4), high strength fibre rope (2) one ends have connector (1), the other end is pulled wire grip with hand and is connected, the other end that hand is pulled wire grip is connected with rope ladder (4), the other end coupling hook (5) of rope ladder (4).
2, combination tool according to claim 1 is characterized in that described hand pulls wire grip and pull wire grip (3) for the ratchet hand, and two ends have the pulley hook respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200272133U CN201252363Y (en) | 2008-08-25 | 2008-08-25 | Combined tool for replacing a linear insulator of an electric transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200272133U CN201252363Y (en) | 2008-08-25 | 2008-08-25 | Combined tool for replacing a linear insulator of an electric transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201252363Y true CN201252363Y (en) | 2009-06-03 |
Family
ID=40748026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200272133U Expired - Lifetime CN201252363Y (en) | 2008-08-25 | 2008-08-25 | Combined tool for replacing a linear insulator of an electric transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201252363Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879477A (en) * | 2018-07-27 | 2018-11-23 | 国网山东省电力公司烟台供电公司 | Replace transmission line of electricity linear insulator specific purpose tool |
| CN109038362A (en) * | 2018-07-27 | 2018-12-18 | 国网山东省电力公司烟台供电公司 | A kind of replacement transmission line of electricity linear insulator specific purpose tool |
-
2008
- 2008-08-25 CN CNU2008200272133U patent/CN201252363Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879477A (en) * | 2018-07-27 | 2018-11-23 | 国网山东省电力公司烟台供电公司 | Replace transmission line of electricity linear insulator specific purpose tool |
| CN109038362A (en) * | 2018-07-27 | 2018-12-18 | 国网山东省电力公司烟台供电公司 | A kind of replacement transmission line of electricity linear insulator specific purpose tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POW Effective date: 20130812 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER CORPORATION Effective date: 20130812 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POW Free format text: FORMER NAME: ZIBO POWER SUPPLY COMPANY |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 255032 ZIBO, SHANDONG PROVINCE TO: 100031 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: STATE GRID ZIBO POWER SUPPLY COMPANY OF SHANDONG PROVINCE Address before: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee before: State Grid Corporation of China Patentee before: Zibo Power Supply Company of Shandong Electric Power Corp. Address after: 255032 No. 61 West Village Road, Zhangdian District, Shandong, Zibo Patentee after: Zibo Power Supply Company of Shandong Electric Power Corp. Address before: 255032 No. 61 West Village Road, Zhangdian District, Shandong, Zibo Patentee before: Zibo Power Supply Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130812 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Zibo Power Supply Company of Shandong Electric Power Corp. Address before: 255032 No. 61 West Village Road, Zhangdian District, Shandong, Zibo Patentee before: Zibo Power Supply Company of Shandong Electric Power Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |
|
| CX01 | Expiry of patent term |