CN101916971B - Earth potential live replacing device for tangent tower inverted insulator string on attachment plate - Google Patents
Earth potential live replacing device for tangent tower inverted insulator string on attachment plate Download PDFInfo
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- CN101916971B CN101916971B CN2010101306529A CN201010130652A CN101916971B CN 101916971 B CN101916971 B CN 101916971B CN 2010101306529 A CN2010101306529 A CN 2010101306529A CN 201010130652 A CN201010130652 A CN 201010130652A CN 101916971 B CN101916971 B CN 101916971B
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- insulator string
- screw mandrel
- attachment plate
- replacing device
- earth potential
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- 239000012212 insulator Substances 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims description 53
- 239000004020 conductor Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to a replacing device for an insulator string, in particular to an earth potential live replacing device for a tangent tower inverted insulator string on an attachment plate. Based on the replacing operation of the tangent tower inverted insulator string on the attachment plate, the invention provides the earth potential live replacing device for the tower-shaped insulator string, wherein a T-shaped lead screw clamping seat is adopted and arranged on inverted angle steel on a cross arm to realize a first step of the live operation, namely fixed supporting above the insulator string; then double lower lifting hooks are adopted; because the tower-shaped insulator string is also connected with two wires of a tangent tower, the double lower lifting hooks are used for balancing the acting force of the two wires and the insulator string in order to ensure the stable replacement; and thus the lower supporting operation of the live operation is realized; therefore, the live replacing operation of the tower-shaped insulator string is realized through the innovation of the two tools, and a series of economic and social problems brought by the power-cut operation are prevented.
Description
Technical field
The present invention relates to a kind of more changing device of insulator string, particularly a kind of tangent tower inverted insulator string on attachment plate earth potential live replacing device.
Background technology
The cross-arm of flip-over type tangent tower is to adopt two angle steel upside-down mountings to become
type; Suspension insulator upper end on the tangent tower hangs in the jack on angle steel two vertical planes, and the bottom is directly connected on the lead (line conductor).
Because two angle steel upside-down mountings become
type, the middle space of reserving is little, will promote lead exactly and change insulator string; Dwindle the distance between lead and the cross-arm; The load transfer that insulator string is born is to the instrument of changing, but insulator string charged for replacement device of the prior art can't solve the support problem of upper space, by another patented technology (application number: 2008100708700 of applicant's application; Name is called: electric replacement device for suspended insulator chain) also can't realize this technical problem; Because first hook in should technology can't be articulated on the wherein angle steel of upside-down mounting, the open end of hook can't be stretched and is embedded in the middle of two angle steel, if hang on the cross-arm of this tower; Just need be across two angle steel; Need internal channel to link up with greatly,, improved cost of manufacture though realize easily; And wide groove also brings operational instability, this be in hot line job the hidden danger that should stop; Therefore on the other hand, the insulator string bottom of this turriform is connecting two leads, only adopts single suspension hook to ensure and operationally stablizes feasiblely, and original charged for replacement device can't be applied in the insulator string charged for replacement operation of this tower.At present, the insulator string of this turriform replacing operation can only be based upon on the power failure basis and carry out.
Invention constitutes
But the objective of the invention is to provides a kind of hot line job and tangent tower inverted insulator string on attachment plate earth potential live replacing device simple to operate according to the weak point of prior art.
The present invention realizes through following approach:
The tangent tower inverted insulator string on attachment plate earth potential live replacing device includes insulated hanging pole, screw mandrel and screw mandrel operating parts, and its structural feature is; Also include screw mandrel deck and a kind of two suspension hook down, the screw mandrel deck is the T-shape structure, and top is horizontal type; Every edge lengths of its both shoulders is half the greater than the angle steel width, and the bottom is the biped structure, and width is slightly less than the distance between the angle steel of upside-down mounting; The axis of screw mandrel deck connects, and forms through hole, and screw mandrel is installed in this through hole; The screw mandrel operating parts is installed on the screw mandrel of screw mandrel deck top; The below of screw mandrel connects insulated hanging pole, and the bottom of insulated hanging pole connects two suspension hooks down, between first suspension hook of two suspension hooks down and the second suspension hook distance and two-conductor line that insulator string is connected apart from identical.
During use, the screw mandrel deck both shoulders portion that T-shape is constructed is placed on the angle steel horizontal plane of upside-down mounting, stretches under the biped of the bottom structure to embed between two angle steel; Two leads that two suspension hook hooks are down lived the insulator string lower end; Because the insulator string of this turriform is single string, therefore for guaranteeing left and right sides balance, stable operation; Need two subband charged renewal devices, be installed in the both sides at insulator string hanging point place respectively.During operation, the action of screw mandrel operating parts is also tightened up screw mandrel, promotes insulated hanging pole, thereby lifts lead through two suspension hooks down, on the secondary instrument of the load transfer to two of insulator string, carries out the charged for replacement operation of insulator string then.
T-shape screw mandrel deck be created to the firm support that tangent tower inverted insulator string on attachment plate is changed provides top; Connection and lifting that two suspension hooks down are the bottom have ensured stable and safety; So just realized the condition of charged for replacement for the insulator string of this turriform; For the charged for replacement insulator string provides the more changing device of easy operation, ensured carrying out smoothly of charged for replacement operation, a series of economy, social concern that having avoided having a power failure operation brings.
The present invention can further be specially:
The top of screw mandrel deck has an opening " U " type stopper slot, and it is positioned at the both sides of symmetry on the deck upper width axis.
When screw mandrel is installed on the screw mandrel deck, the ear shape member inlay card on the screw mandrel in this " U " type stopper slot, thereby define the link position between screw mandrel and the screw mandrel deck, the rotation of screw mandrel when preventing to operate.In addition, can also further be specially:
Bilateral symmetry at " U " type stopper slot is distributed with two spacing holes.
When screw mandrel is installed on the screw mandrel deck, and ear shape member inlay card in stopper slot the time, can be passed through this two spacing holes mounting fixing parts, with further fixedly screw mandrel and screw mandrel deck.
The bottom of insulated hanging pole is connected with two suspension hooks down through a kind of securing member.
This securing member can be a kind of high-strength rivet.
Insulated hanging pole can be specially with two suspension hooks down:
The end portion of insulated hanging pole is furnished with a plurality of location holes, and two first suspension hook and second suspension hooks of suspension hook down are installed in respectively in two location holes, and two conductor spacings that the distance of two location holes is connected with insulator string equate.
Can also be:
Two first suspension hooks of suspension hook down are connected through a kind of high-strength securing member with second suspension hook, and its first suspension hook is fixedly connected with the bottom of insulated hanging pole through securing member.
Two mouths of hook of suspension hook down are gradually big from inside to outside shape.
Can make things convenient for lead to get into suspension hook like this.
Two suspension hooks down can also be:
Suspension hook includes coupler body and movable fastener, and movable fastener is a kind of carbine spare, and one of which end and coupler body are hinged, and the other end extends to the hook groove formation of the mouth of hook and coupler body and surrounds shape.
During use; When lead will get into the hook groove, movable fastener can make mouth of hook Zhang Degeng big so that lead gets into the hook groove under the effect of spring; After lead is in place; The resilience under the prestressing force of spring of movable fastener is surrounded with the hook groove formation of coupler body, guarantees that lead can firmly be hung in two suspension hooks down.
In sum, based on the replacing operation of tangent tower inverted insulator string on attachment plate, the invention provides a kind of earth potential live replacing device of realizing above-mentioned turriform insulator string; Adopt a kind of T-shape screw mandrel deck, on the angle steel that is installed in upside-down mounting on the cross-arm, realized the first step of hot line job; It is the fixed support of insulator string top; Next has adopted two suspension hooks down, because the insulator string of this turriform is connecting two leads of tangent tower simultaneously, is the stable guarantee that guarantees to change; Can balance two leads and the active force of insulator string with two suspension hooks down, the following support operation of realization hot line job; Thus,, accomplish, realized charged for replacement operation, a series of economy, the social concern of having avoided the power failure operation to bring this turriform to the more integral body creation of changing device of tangent tower inverted insulator string on attachment plate through innovation to top two kinds of instruments.
Description of drawings
Shown in Figure 1 is the structural representation of the said tangent tower inverted insulator string on attachment plate earth potential live replacing device of embodiment;
Shown in Figure 2 is the left view of insulator string charged for replacement device among Fig. 1.
Shown in Figure 3 is the structural representation of screw mandrel deck in the said charged for replacement device of embodiment;
Shown in Figure 4 is the A-A cutaway view of Fig. 3;
Shown in Figure 5 is the vertical view of Fig. 3;
Below in conjunction with embodiment the present invention is done and to further describe.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1, the tangent tower inverted insulator string on attachment plate earth potential live replacing device includes insulated hanging pole 1, screw mandrel 2, screw mandrel operating parts 3, screw mandrel deck 4 and a kind of two suspension hook 5 down.
With reference to accompanying drawing 3,4,5, the screw mandrel deck is the T-shape structure, and top 40 is horizontal type; Every edge lengths of its both shoulders is half the greater than the angle steel width; Bottom 42 is the biped structure, and width is slightly less than the distance between the angle steel of upside-down mounting, and the axis of screw mandrel deck connects; Form through hole 41, this through hole is the screw mandrel connecting hole.Screw mandrel deck top 40 has " U " type stopper slot 43 of an opening, and it is positioned at the both sides of symmetry on the deck upper width axis; Bilateral symmetry at " U " type stopper slot 43 is distributed with two spacing holes 44.
With reference to accompanying drawing 2, screw mandrel 2 runs through and is installed in the through hole of screw mandrel deck 4, and inlay card adopts stopping means that it is reinforced in the stopper slot of screw mandrel deck 4 simultaneously; Screw mandrel operating parts 3 is installed on the screw mandrel 2 of screw mandrel deck 4 tops, and the below of screw mandrel 2 connects insulated hanging pole 1, and the bottom of insulated hanging pole 1 connects first suspension hook 51 in two suspension hooks 5 down through a kind of high-strength rivet; Two suspension hooks down also include second suspension hook 52; First suspension hook 51 is connected through a kind of high-strength securing member 53 with second suspension hook 52; First suspension hook 51 and second suspension hook 52 have included coupler body 54 and movable fastener 55; Movable fastener 55 is a kind of carbine spare, and one of which end and coupler body 54 are hinged, and the other end extends to the hook groove formation of the mouth of hook and coupler body 54 and surrounds shape.
According to above-mentioned structure, further set forth job step of the present invention in conjunction with accompanying drawing 1:
Provide two pairs above-mentioned tangent tower inverted insulator string on attachment plate earth potential live replacing device,
There is the screw mandrel deck 4 of screw mandrel 2 and screw mandrel operating parts 3 to be respectively installed to the both sides at insulator string hanging point place on the angle steel 6 two subbands; Two shoulders of T-shape screw mandrel deck 4 are placed on the horizontal plane of two angle steel 6; Deck bottom two feet are stretched and are embedded between two angle steel 6; When operating to place, deck horizontally slips;
To have the two upper end and the screw mandrels 2 of the insulated hanging pole 1 of suspension hook 5 down and connect, two suspension hooks 5 down catch on the two-conductor line 7 that is connected with insulator string respectively;
Through the motion of operation as the wire grip of screw mandrel operating parts 3, tighten up screw mandrel, promote lead, with the load transfer of insulator string to two subband charged renewal devices;
Carry out the charged for replacement operation of insulator string.
It is identical with prior art that the present invention does not state part.
Claims (8)
1. the tangent tower inverted insulator string on attachment plate earth potential live replacing device includes insulated hanging pole (1), screw mandrel (2) and screw mandrel operating parts (3), it is characterized in that; Also include screw mandrel deck (4) and a kind of two suspension hook (5) down, screw mandrel deck (4) is the T-shape structure, and top (40) are horizontal type; Every edge lengths of its both shoulders is half the greater than the angle steel width; Bottom (42) is the biped structure, and width is slightly less than the distance between the angle steel of upside-down mounting, and the axis of screw mandrel deck (4) connects; Form through hole (41); Screw mandrel (2) is installed in this through hole (41), and screw mandrel operating parts (3) is installed on the screw mandrel (2) of screw mandrel deck (4) top, and the below of screw mandrel (2) connects insulated hanging pole (1); The bottom of insulated hanging pole (1) connects two suspension hooks (5) down, between first suspension hook (51) of two suspension hooks (5) down and second suspension hook (52) distance and two-conductor line that insulator string is connected apart from identical.
2. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; The top of screw mandrel deck (4) has " U " type stopper slot (43) of an opening, and it is positioned at the both sides of symmetry on screw mandrel deck (4) the upper width axis.
3. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 2 is characterized in that, is distributed with two spacing holes (44) in the bilateral symmetry of " U " type stopper slot (43).
4. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 1 is characterized in that, the bottom of insulated hanging pole (1) is connected with two suspension hooks (5) down through a kind of securing member.
5. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; The end portion of insulated hanging pole (1) is furnished with a plurality of location holes; Two first suspension hook (51) and second suspension hooks (52) of suspension hook (5) down are installed in respectively in two location holes, and two conductor spacings that the distance of two location holes is connected with insulator string equate.
6. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; Two first suspension hooks (51) of suspension hook (5) down are connected through a kind of securing member with second suspension hook (52), and its first suspension hook (51) is fixedly connected with the bottom of insulated hanging pole (1) through this securing member.
7. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 1 is characterized in that, two mouths of hook of suspension hook (5) down are gradually big from inside to outside shape.
8. tangent tower inverted insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; First suspension hook (51) and second suspension hook (52) have included coupler body (54) and movable fastener (55); Movable fastener (55) be a kind of carbine spare, and one of which end and coupler body (54) are hinged, and the other end is the hook groove formation that camber line around the coupler body periphery extends to the mouth of hook and coupler body (54) and surrounds shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101306529A CN101916971B (en) | 2010-03-23 | 2010-03-23 | Earth potential live replacing device for tangent tower inverted insulator string on attachment plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101306529A CN101916971B (en) | 2010-03-23 | 2010-03-23 | Earth potential live replacing device for tangent tower inverted insulator string on attachment plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101916971A CN101916971A (en) | 2010-12-15 |
| CN101916971B true CN101916971B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101306529A Active CN101916971B (en) | 2010-03-23 | 2010-03-23 | Earth potential live replacing device for tangent tower inverted insulator string on attachment plate |
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| CN (1) | CN101916971B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231492B (en) * | 2011-04-20 | 2013-06-12 | 国家电网公司 | Multifunctional suspension insulator string cross arm side hardware fitting replacement fixture |
| CN107425474B (en) * | 2017-08-22 | 2023-05-26 | 河南送变电建设有限公司 | Device for replacing tension insulator |
| CN107769079A (en) * | 2017-11-22 | 2018-03-06 | 广西电网有限责任公司贺州供电局 | For changing the specific purpose tool of suspension clamp shield lines |
| CN108512122A (en) * | 2018-06-13 | 2018-09-07 | 云南电网有限责任公司德宏供电局 | A kind of tangent tower conducting wire supporter |
| CN110011218B (en) * | 2019-03-28 | 2020-10-27 | 国网浙江慈溪市供电有限公司 | Method for replacing strain insulator string of 10kV distribution network |
| CN116706768B (en) * | 2023-08-01 | 2024-01-12 | 国网山东省电力公司宁阳县供电公司 | Anti-drop structure for electric tower cable installation |
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| JP2007195357A (en) * | 2006-01-20 | 2007-08-02 | Tokyo Electric Power Co Inc:The | Support tool and method for rebuilding electric pole |
| CA2620970A1 (en) * | 2008-01-31 | 2009-07-31 | Andre Lessard | Portable manipulator for working on live power lines |
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| US5201090A (en) * | 1990-10-04 | 1993-04-13 | Donato Jans | Apparatus for cleaning the insulators of live power lines by means of helicopter |
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| CN201312079Y (en) * | 2008-11-07 | 2009-09-16 | 江苏省电力公司徐州供电公司 | Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method |
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| CN101916971A (en) | 2010-12-15 |
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Owner name: FUJIAN ELECTRIC POWER CO., LTD. XIAMEN ELECTRIC PO Effective date: 20121120 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: XIAMEN ELECTRIC POWER BUREAU OF FUJIAN ELECTRIC POWER COMPANY LIMITED Effective date: 20121120 |
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Free format text: CORRECT: ADDRESS; FROM: 361000 XIAMEN, FUJIAN PROVINCE TO: 100031 XICHENG, BEIJING |
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Effective date of registration: 20121120 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Fujian Electric Power Co., Ltd. Patentee after: Xiamen Electric Power Bureau of Fujian Electric Power Company Limited Address before: Siming Lake Road Xiamen city Fujian province 361000 No. 21 Patentee before: Xiamen Electric Power Bureau of Fujian Electric Power Company Limited |