CN101820144A - Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire - Google Patents
Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire Download PDFInfo
- Publication number
- CN101820144A CN101820144A CN 201010132824 CN201010132824A CN101820144A CN 101820144 A CN101820144 A CN 101820144A CN 201010132824 CN201010132824 CN 201010132824 CN 201010132824 A CN201010132824 A CN 201010132824A CN 101820144 A CN101820144 A CN 101820144A
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- China
- Prior art keywords
- screw mandrel
- charged
- heavy
- straight line
- firm banking
- Prior art date
- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 claims description 26
- 239000004020 conductor Substances 0.000 claims description 24
- 229920000742 Cotton Polymers 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 241000486679 Antitype Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract 1
- 231100000817 safety factor Toxicity 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920002577 polybenzoxazole Polymers 0.000 description 1
- -1 polyparaphenylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Abstract
The invention discloses a special tool of live line work for replacing a rectilinear insulator string of a large-section double multiple wire, which comprises an insulated wire lifting rope, an insulated rope pulley adjuster, wire hooks, a nut screw-rod rope tensioning device and a fixed base, wherein the fixed base is sheathed on a screw rod of the nut screw-rod rope tensioning device and moves relative to the screw rod; the lower end of the screw rod is connected with the insulated rope pulley adjuster; the insulated rope pulley adjuster is provided with a fixed pulley; after the wire lifting rope bypasses the fixed pulley of the insulated rope pulley adjuster, both ends of the wire lifting rope are provided with the wire hooks; and the fixed base is provided with a positioning locking device matched with cross arm angle iron. The insulated tool has the advantages of good electric properties, high mechanical strength, high safety factors and vertical arrangement, and is suitable for 220kV double multiple wires, rectilinear single and double string insulators of which the interval between the upper strand and the lower strand is 600 mm, and various other 220kV rectilinear type.
Description
Technical field
The present invention relates to a kind of charged for replacement wire insulation substring instrument, particularly a kind of charged for replacement heavy in section double bundle conductor straight line bunch of insulator specific purpose tool.
Background technology
Along with social fast development of national economy, town and country power consumption demand increases rapidly, and the line load of 220kV electrical network is also constantly soaring, because circuit corridor growing tension, the 220K circuit that puts into operation at present generally adopts and joint uses the double loop and adopt LGJ-630mm
2The heavy in section double bundle conductor, vertical arrangement; Sub-up and down distance between centers of tracks adopt the 220KV circuit of 600mm and design in the past to adopt conductor cross-section to increase to be twice many and vertical load big, sub-vertically distance between centers of tracks increases 200mm, the instrument of the restringing insulator string that was suitable for therefore can't be suitable for, and must develop the insulator string that can be applicable to novel 220kV heavy in section double bundle conductor and change instrument.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, and provide a kind of applied widely, can be applicable to the specific purpose tool of heavy in section double bundle conductor straight line bunch of insulator charged for replacement.
A kind of charged for replacement heavy in section double bundle conductor straight line bunch of insulator specific purpose tool, its structural feature is: comprising insulate carries cotton rope, insulation cable pulley type adjuster, the lead suspension hook, nut screw mandrel stringing device, firm banking, described firm banking is set on the screw mandrel of nut screw mandrel stringing device and moves relative to screw mandrel, the lower end of screw mandrel is connected with insulation cable pulley type adjuster, insulation cable pulley type adjuster is provided with fixed pulley, carry and be provided with the lead suspension hook at its two ends after cotton rope is walked around the fixed pulley of insulation cable pulley type adjuster, firm banking is provided with the positioning and locking device that matches with the cross-arm angle steel.
The charged for replacement heavy in section double bundle conductor straight line bunch of insulator specific purpose tool of this structure, in use, insulator string according to different length selects to carry accordingly cotton rope, after specific purpose tool assembled, utilize the positioning and locking device of firm banking that instrument is lock onto on the cross-arm, the lead suspension hook that then will carry the cotton rope two ends hooks lead, then, tighten up cross-arm top nut screw mandrel stringing device, under the balanced action of the fixed pulley of insulation cable pulley type adjuster bottom, upper and lower sub-conductor is promoted by equilibrium.
The structure of the positioning and locking device on the firm banking has a lot, below is two kinds of forms that the applicant provides:
A kind ofly be, firm banking is provided with bolt, and bolt passes the upper and lower end face of firm banking, utilizes bolt and nut that firm banking is fixed on the cross-arm.
Another kind is: the lower surface of firm banking is provided with the location and uses draw-in groove, cross-arm angle steel can snap in this draw-in groove, also is provided with the long slot bore of the communication firm banking upper and lower end face that parallels with draw-in groove on firm banking, is provided with the screw-threaded coupling part at long slot bore.
The positioning and locking device of this structure, in use, can be earlier the draw-in groove of firm banking be snapped in cross-arm after, utilize the screw-threaded coupling part that they are fixed again.
Draw-in groove on the described firm banking is two.
Two draw-in groove is set on firm banking, and the Two bors d's oeuveres angle steel that the cross-arm end can be hung straight line insulator string place snaps in the draw-in groove respectively and positions.
Between firm banking and screw mandrel, also be provided with rubber blanket.
Because firm banking is set on the screw mandrel, and screw mandrel must the relative fixed base be done and is moved up and down, if directly contact between screw mandrel and the firm banking, so just be easy to cause between the two wear and tear, therefore between is provided with rubber blanket, can play preventing to wear and tear between the two, can play spacing effect again.
Described nut screw mandrel stringing device is the anti-type nut screw mandrel of turning round, and the described anti-type nut screw mandrel of turning round comprises that screw mandrel and ratchet locking nut constitute.
When the rotation lock nut, screw mandrel is along with ratchet nut rotates, do vertically upward or move downward by intermeshing helix running between them, and screw mandrel can not produce and horizontally rotate, thereby realize special-purpose charged instrument to double bundle conductor tighten up or loose, thereby realize the replacing of insulator string.
The described screw mandrel lower end and being connected to movable detachable connection the between the cable pulley type adjuster of insulating.
Be connected the employing activity is detachable between screw mandrel and the insulation cable pulley type adjuster, can dismantle conveniently to preserve into transportation this special-purpose charged worker easily.
Described movable detachable being connected of carrying between cotton rope and the lead suspension hook that be connected to.
The detachable connection of described activity can be screw-type and connects, or is the bolt-type connection.
Described insulation cable pulley type adjuster is provided with into the adjustment hole of row from top to bottom, and described fixed pulley activity removably connects in the adjustment hole of insulation cable pulley type adjuster.
To adopt the flexible connection of this form between fixed pulley and the insulation cable pulley type adjuster, can as required fixed pulley be fixed in the diverse location place of exhausted level cable pulley type adjuster.
In sum, the invention has the advantages that:
The exhausted sub-specific purpose tool of insulating sublayer of the whole string of this charged for replacement heavy in section double bundle conductor straight line have safety light, install and alleviate operating personnel's labour intensity easily, on-the-spot live line working work efficiency height has solved the difficult problem that can't carry out heavy in section circuit straight line insulator string charged for replacement operation at present.After this project problem was finished, the charged for replacement Work tool of filling up the 220kV circuit heavy in section double bundle conductor straight line bunch of insulator of present appearance and other 220KV circuit straight line pole insulator string adopted the blank of new material.
2. should cover insulating tool good electric property, mechanical strength height, coefficient of safety be big, can be suitable for line circuit heavy in section, village double bundle conductor on the 220kV, vertical arrangement; The sub-up and down distance between centers of tracks 600mm single, double insulator string of straight line and other 220kV circuit straight line different types completely; The charged for replacement work of the insulator string of different length.
3. characteristics such as this Work tool is easy to carry, substitutes the heavy rigid insulation pull bar that tradition is used, and has simple to operate easy for installationly, reduces the work high above the ground personnel labor intensity, and operation process is safe and efficient.
Description of drawings
Fig. 1 is the structural representation of charged for replacement of the present invention heavy in section double bundle conductor straight line bunch of insulator specific purpose tool
Fig. 2 is the A place enlarged drawing of Fig. 1
Fig. 3 is the firm banking structural representation
Fig. 4 is the upward view of Fig. 3
Embodiment
Below in conjunction with embodiment the present invention is described in more detail.
Embodiment 1
A kind of charged for replacement heavy in section double bundle conductor straight line bunch of insulator specific purpose tool shown in Fig. 1-4 comprises that cotton rope 1 is carried in insulation, cable pulley type adjuster 2, lead suspension hook 3, nut screw mandrel stringing device 4, firm banking 5 insulate.The lower surface of described firm banking is provided with location draw-in groove 51, and cross-arm angle steel 7 can snap in this draw-in groove, also is provided with the long slot bore 52 of the communication firm banking upper and lower end face that parallels with draw-in groove on firm banking, is provided with screw-threaded coupling part 53 at long slot bore.Draw-in groove on the described firm banking is two.Between firm banking and screw mandrel, also be provided with rubber blanket 54.Described nut screw mandrel stringing device 4 is the anti-type nut screw mandrel of turning round, and the described anti-type nut screw mandrel of turning round comprises that screw mandrel 41 and ratchet locking nut 42 constitute.Screw mandrel 41 lower ends and movable detachable being threaded that be connected to of insulating between the cable pulley type adjuster 2.Described movable detachable being threaded of carrying between cotton rope and the lead suspension hook that be connected to.Be provided with into the adjustment hole 21 of row from top to bottom at insulation cable pulley type adjuster 2, described fixed pulley 6 is movable dismountable to be connected in the adjustment hole 21 of insulation cable pulley type adjuster.Described insulation is " polyparaphenylene's benzo twoport oxazole fiber " (being called for short PBO, the grand Zylon of commodity bavin by name), carries cotton rope by the live line working force status through the insulation that special structure is processed into.This be a kind of, a kind of essence higher more than 10 times than steel wire fibre rope with tensile strength do not get wet regain only 0.6%, a kind of elongation at break only 2.5-3.5%, a kind of limit oxygen index be 68, the superelevation that almost nil super (excellent) fiber of length that burns in vertical flame the is made rope that insulate by force.Therefore, be that cotton rope is carried in the best both at home and abroad at present strong insulation of protection against the tide, flame retardant type superelevation.Described lead suspension hook is a high-strength aluminum alloy lead drop hanger.
It is same as the prior art that present embodiment is not stated part.
Claims (9)
1. charged for replacement heavy in section double bundle conductor straight line bunch of insulator specific purpose tool, it is characterized in that: comprising insulate carries cotton rope (1), insulation cable pulley type adjuster (2), lead suspension hook (3), nut screw mandrel stringing device (4), firm banking (5), described firm banking is set in the screw mandrel (41) of nut screw mandrel stringing device and goes up and move relative to screw mandrel, the lower end of screw mandrel is connected with insulation cable pulley type adjuster, insulation cable pulley type adjuster is provided with fixed pulley (6), insulation is carried cotton rope (10 walk around the fixed pulley 96 of insulation cable pulley type adjuster) back and is provided with lead suspension hook (3) at its two ends, and firm banking is provided with the positioning and locking device that matches with the cross-arm angle steel.
2. charged for replacement according to claim 1 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool, it is characterized in that: the lower surface of firm banking (5) is provided with location draw-in groove (51), the cross-arm angle steel can snap in this draw-in groove, on firm banking, also be provided with the long slot bore (52) of the communication firm banking upper and lower end face that parallels with draw-in groove, be provided with screw-threaded coupling part (53) at long slot bore.
3. charged for replacement according to claim 2 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool, it is characterized in that: the draw-in groove on the described firm banking (51) is two.
4. charged for replacement according to claim 3 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool is characterized in that: also be provided with rubber blanket (54) between firm banking (5) and screw mandrel (41).
5. according to any one described charged for replacement heavy in section double bundle conductor straight line bunch of insulator specific purpose tool of claim 1 to 4, it is characterized in that: described nut screw mandrel stringing device is the anti-type nut screw mandrel of turning round, and the described anti-type nut screw mandrel of turning round comprises that screw mandrel (41) and ratchet locking nut (42) constitute.
6. charged for replacement according to claim 5 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool is characterized in that: the described screw mandrel lower end and being connected to movable detachable connection the between the cable pulley type adjuster of insulating.
7. charged for replacement according to claim 6 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool is characterized in that: described movable detachable being connected of carrying between cotton rope and the lead suspension hook that be connected to.
8. charged for replacement according to claim 7 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool is characterized in that: the detachable connection of described activity can be screw-type and connects, or is the bolt-type connection.
9. charged for replacement according to claim 8 heavy in section double bundle conductor straight line bunch of insulator specific purpose tool, it is characterized in that: described insulation cable pulley type adjuster is provided with into the adjustment hole (21) of row from top to bottom, and described fixed pulley (6) activity removably connects in the adjustment hole of insulation cable pulley type adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101328246A CN101820144B (en) | 2010-03-26 | 2010-03-26 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101328246A CN101820144B (en) | 2010-03-26 | 2010-03-26 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101820144A true CN101820144A (en) | 2010-09-01 |
| CN101820144B CN101820144B (en) | 2012-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101328246A Active CN101820144B (en) | 2010-03-26 | 2010-03-26 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101820144B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594966A (en) * | 2013-11-18 | 2014-02-19 | 国家电网公司 | Lifting device of high-voltage insulator string |
| CN103779809A (en) * | 2014-02-20 | 2014-05-07 | 国家电网公司 | Tool special for electrically adjusting gap between double split sub-conductors and working method |
| CN103825223A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool and working method for live change of 220KV narrow base tower strain insulator string |
| CN103825222A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool for changing 220kV narrow base tower strain insulator string with charges |
| CN103840394A (en) * | 2012-11-23 | 2014-06-04 | 天津市宝坻供电有限公司 | Method for quickly enlarge cross section of low-voltage overhead wire |
| CN103872621A (en) * | 2014-03-10 | 2014-06-18 | 国家电网公司 | Fixture for replacing strain insulator string under electrified state based on earth potential method and operation method |
| CN104201603B (en) * | 2014-07-25 | 2016-11-16 | 国网上海市电力公司 | A kind of more than 500KV strain insulator string used for transmission line charged for replacement gold utensil and using method thereof |
| CN109888672A (en) * | 2019-03-07 | 2019-06-14 | 国网福建省电力有限公司福州供电公司 | Double bundle conductor tightening device |
| CN110071460A (en) * | 2019-06-04 | 2019-07-30 | 国网北京市电力公司 | Stringing tool |
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2010
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840394A (en) * | 2012-11-23 | 2014-06-04 | 天津市宝坻供电有限公司 | Method for quickly enlarge cross section of low-voltage overhead wire |
| CN103594966A (en) * | 2013-11-18 | 2014-02-19 | 国家电网公司 | Lifting device of high-voltage insulator string |
| CN103779809B (en) * | 2014-02-20 | 2016-02-03 | 国家电网公司 | The two oidiospore wire pitch operational method of charged adjustment |
| CN103779809A (en) * | 2014-02-20 | 2014-05-07 | 国家电网公司 | Tool special for electrically adjusting gap between double split sub-conductors and working method |
| CN103872621B (en) * | 2014-03-10 | 2016-08-24 | 国家电网公司 | A kind of earth potential method charged changing tension-resisting insulator fixture and operational method |
| CN103872621A (en) * | 2014-03-10 | 2014-06-18 | 国家电网公司 | Fixture for replacing strain insulator string under electrified state based on earth potential method and operation method |
| CN103825222A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool for changing 220kV narrow base tower strain insulator string with charges |
| CN103825223A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool and working method for live change of 220KV narrow base tower strain insulator string |
| CN103825223B (en) * | 2014-03-25 | 2016-09-14 | 国家电网公司 | Charged for replacement 220KV narrow base tower strain insulator string tool and operational method |
| CN103825222B (en) * | 2014-03-25 | 2016-09-14 | 国家电网公司 | A kind of charged for replacement 220kV narrow base tower strain insulator string instrument |
| CN104201603B (en) * | 2014-07-25 | 2016-11-16 | 国网上海市电力公司 | A kind of more than 500KV strain insulator string used for transmission line charged for replacement gold utensil and using method thereof |
| CN109888672A (en) * | 2019-03-07 | 2019-06-14 | 国网福建省电力有限公司福州供电公司 | Double bundle conductor tightening device |
| CN109888672B (en) * | 2019-03-07 | 2024-04-02 | 国网福建省电力有限公司福州供电公司 | Double split wire takeup device |
| CN110071460A (en) * | 2019-06-04 | 2019-07-30 | 国网北京市电力公司 | Stringing tool |
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| CN101820144B (en) | 2012-06-27 |
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Owner name: FUJIAN ELECTRIC POWER CO., LTD. FUJIAN ELECTRIC PO Effective date: 20121221 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: FUJIAN ELECTRIC POWER CO., LTD., PUTIAN ELECTRIC BUREAU Effective date: 20121221 |
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Effective date of registration: 20121221 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Fujian Electric Power Co., Ltd. Patentee after: Putian Electric Power Bureau, Fujian Electric Power Co. Ltd. Address before: Putian City, Fujian Province, 351100 Lane Road Chengxiang District No. 7 Patentee before: Putian Electric Power Bureau, Fujian Electric Power Co. Ltd. |