CN101931181A - Strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device - Google Patents
Strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device Download PDFInfo
- Publication number
- CN101931181A CN101931181A CN 201010132821 CN201010132821A CN101931181A CN 101931181 A CN101931181 A CN 101931181A CN 201010132821 CN201010132821 CN 201010132821 CN 201010132821 A CN201010132821 A CN 201010132821A CN 101931181 A CN101931181 A CN 101931181A
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- Prior art keywords
- hanging
- connecting portion
- insulator chain
- link
- fork
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- 239000012212 insulator Substances 0.000 title claims abstract description 55
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 230000007306 turnover Effects 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001063191 Elops affinis Species 0.000 description 1
- 235000002756 Erythrina berteroana Nutrition 0.000 description 1
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to an insulator chain exchange device, in particular to a strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device. The structural of the device is characterized in that the device comprises a front clamp and a rear clamp; on one side edge is a link plate connecting part which is a fork clamp with an opening, the opening direction of the fork clamp and the extension direction of the side edge are the same; the end of the opening is in the shape of arc, the inner bottom of the fork clamp is an inclined plane, slope of the inclined plane is matched with the contact position of the link plate connected with the inclined plate; the rear clamp is a flap clamping apparatus which comprises a first connecting part connected with a screw rod and a second connecting part comprising a clamping apparatus body and a flap. The invention provides a tower-shaped insulator chain ground potential exchange device based on the insulator chain of the double-hanging-point single link plate of the strain tower, adopts innovative tools such as the front clamp and the rear clamp(flap clamping apparatus) as the front and rear supporting points for exchange operation and utilizes the screw rod and the insulation pulling plate with a tensioner for connection, thus realizing the live exchange operation on the tower-shaped insulator chain. In addition, the exchange operation is convenient and simple.
Description
Technical field
The present invention relates to a kind of more changing device of insulator string, particularly a kind of strain tower double-hanging-point single-link-plate insulator chain ground potential live is changing device more.
Background technology
Strain tower double hanging point simply connected plate is meant on strain tower, one side of two insulator strings of its installation is parallel to be connected on the cross-arm thread gripping-board, opposite side then is connected on the lead by a triangle yoke plate, formed cross-arm side double hanging point, the relative lead of lead side is the structure of single hanging point, and the connection yoke plate of this list hanging point correspondence is the simply connected plate.Because the insulator string of this turriform type is a double hanging point in the cross-arm side, the contact face width, number of contacts is many, the used more changing device of prior art all can't be useful in the insulator string of this turriform and change in the operation, therefore the insulator string of this turriform can only adopt to have a power failure and change operation, also brought thus a series of economically with society on problem, cause many inconvenience.
Invention constitutes
The objective of the invention is to provide a kind of according to the deficiencies in the prior art part need not to have a power failure that carry out and strain tower double-hanging-point single-link-plate insulator chain ground potential live simple to operate changing device more.
The present invention is achieved through the following channels:
Strain tower double-hanging-point single-link-plate insulator chain ground potential live is changing device more, include the screw mandrel and the insulation arm-tie that have wire grip, its structural feature is, card and back card before also including, one side of preceding card is insulation arm-tie connecting portion, fixedly connected with the bottom of insulation arm-tie in its end, another side is the yoke plate connecting portion, be a kind of opening fork, the opening direction of fork is consistent with the bearing of trend of side, open end is curved arc shape, and the inner bottom part of fork is a kind of inclined-plane, and its gradient cooperates by touching the position with the yoke plate that is connected; The back card is a kind of turnover panel jig, include and be connected first connecting portion with screw mandrel, and second connecting portion that includes jig body and turnover panel, one side of the turnover panel of second connecting portion is installed on the jig body, hinged with jig body, turnover panel and jig body opposed inside face have been opened the ladder caulking groove, and the cross-arm hanging point place structure of this ladder caulking groove and the insulator string of changing can tabling, has opened first through hole in the ladder caulking groove; The end cross of second connecting portion is penetrated with a kind of securing member can overlap second through hole that is inserted in wherein.
During operation, the yoke plate connecting portion of preceding card fork is enclosed within yoke plate one side, the open end button of fork touches on yoke plate and bolt point that lead is connected, is fixing point, and the inner bottom part of fork touches on the side that leans against yoke plate, is the point that links.The turnover panel of back card is opened, jig body be placed on the insulator string of changing in the side at the hanging point place of cross-arm guy plate, the ladder caulking groove embeds on the structure of hanging point place correspondence, turnover panel then closes, this moment, the ladder caulking groove of turnover panel inboard also embedded on hanging point place opposite side counter structure, with jig body insulator string is formed matched moulds nested connection of shape at the hanging point place of cross-arm guy plate, and form first fixing point; Second through hole that the back is blocked the end of second connecting portion moves in the hole slot of cross-arm guy plate, and cover is inserted and the installation securing member, forms second fixing point, blocks thereby fix the back on the cross-arm guy plate.Tighten up screw mandrel, be fixed on cross-arm guy plate on because of the back card this moment, the insulation arm-tie connecting portion that blocks before the insulation arm-tie drives blocks direction backward and moves, fix fixed point in the past and be fulcrum, its interlock point is being lifted yoke plate respective side (insulator string one side that will change) and is also being blocked direction thereupon backward and move, shorten the original distance of insulator string, lax insulator string is changed the work of insulator then.
The present invention can realize single string of strain tower double hanging point simply connected plate insulator chain is changed operation, two kinds of instruments creating at the characteristics of this turriform have been adopted: preceding card and back card, as the front and back supporting tool of changing insulator string, realized charged for replacement operation, and changed convenient and simple for operation this turriform insulator string.
The present invention can further be specially:
The insulation arm-tie connecting portion of preceding card is a kind of opening fork, and the bottom of fork is diclinic degree structure, and the summit is "＜" shape towards the opening part of fork.
Owing to be stuck in when using before being somebody's turn to do, with the fixing point is that fulcrum carries out rotational motion, must bring the position of the insulation arm-tie connecting portion of insulation arm-tie and preceding card to change thus, can adopt dual mode in order to adapt to this variation: the one, the space of reservation insulation arm-tie and connecting portion bottom, when it is rotated space can be arranged, the 2nd, above-mentioned diclinic degree structure is made in the bottom of connecting portion, make its position that can comply with rotation carry out conversion.Therefore first kind of mode may be brought the strength reduction problem of link position, the preferred second way.
Corresponding also has:
The fork pockets inner bottom part of the yoke plate connecting portion of preceding card is diclinic degree structure, and the summit is "＞" shape towards the opening part of fork.
Same, be changed to the rotational motion that adapts in operating process at the preceding card connection position that is connected with yoke plate, also adopt diclinic degree structure.Certainly can also adopt single gradient structure, when rotating like this, inevitable before card with can form a contact or line contact being connected of yoke plate, also can realize rotational motion, consider point (line) contact not as the face contact come stable, so preferred employing diclinic degree is constructed.
Back card can further be specially:
On first connecting portion of back card connecting hole is arranged, the end portion of insulation arm-tie is furnished with plurality of through holes, and the through hole on first connecting portion is connected by securing member with a wherein through hole of insulation arm-tie bottom.
The length that can regulate the insulation arm-tie by the selection of the through hole of insulation on the arm-tie is with the replacing operation of the insulator string that adapts to different length.
The jig body of back card and the ladder caulking groove of turnover panel the inboard horizontal axial line of card later on are that line of symmetry is a symmetric construction.
When the insulator string hanging point on the cross-arm arm-tie was the front and back symmetry, the ladder caulking groove of the second connecting portion inboard of back card also should be symmetrical.Difference to some extent on the size, therefore:
Described ladder caulking groove is for being the structure that disperse a horizontal side of center back card with first through hole.
So just, the hanging point of difference structure slightly on can suitable dimensions, simultaneously, when insulator string was changed operation and carried out, the hanging point of insulator string may produce certain rotation, and this divergent configuration provides the position to the hanging point place of possible conversion, enough wide space.
Back card can also further be specially:
Jig body and turnover panel are plugged on the hinged place by a kind of pin to carry out hinge and is connected.The securing member that the end cross of back card second connecting portion runs through at second through hole is a kind of high strength bolt.
In sum, insulator string based on strain tower double hanging point simply connected plate is changed operation, the invention provides more changing device of a kind of insulator chain ground potential, card blocked (turnover panel jig) as the front and back strong point of changing operation with the back before it had adopted the innovation instrument, adopt the screw mandrel of band wire grip to be connected with the insulation arm-tie, realized charged for replacement operation, and changed convenient and simple for operation this turriform insulator string.
Description of drawings
Figure 1 shows that the more structural representation of changing device of the described strain tower double-hanging-point single-link-plate insulator chain ground potential live of most preferred embodiment;
Figure 2 shows that the structural representation of the back card in the insulator string charged for replacement device among Fig. 1;
Figure 3 shows that the vertical view of back card among Fig. 2;
Figure 4 shows that the structural representation of the preceding card in the insulator string charged for replacement device among Fig. 1;
Figure 5 shows that the vertical view of Fig. 4;
Below in conjunction with embodiment the present invention is described further.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1, strain tower double-hanging-point single-link-plate insulator chain ground potential live is changing device more, includes the screw mandrel 2 that has wire grip 1, insulation arm-tie 3, preceding card 4 and back card 5, below introduce earlier main points of the present invention in detail, promptly before card 4 and back card 5.
With reference to accompanying drawing 2 and accompanying drawing 3, back card is a kind of turnover panel jig, include to be connected first connecting portion 51 with screw mandrel, and second connecting portion that includes jig body 52 and turnover panel 53, connecting hole 59 is arranged, in order to connect insulation arm-tie 3 on first connecting portion 51; One side of the turnover panel 53 of second connecting portion is installed on the jig body 52, hinged by a kind of pin 57 with jig body 52, turnover panel 53 has all been opened ladder caulking groove 54 with jig body 52 opposed inside faces, opened first through hole 55 in the ladder caulking groove 54, this through hole can be socketed in insulator string on the connecting bolt on the cross-arm arm-tie; Horizontal axial lines of card are that line of symmetry is a symmetric construction after this two ladders caulking groove 54, and are the structure that disperse a horizontal side of center back card with first through hole 55, and with the cross-arm hanging point place structure of replacing insulator string can tabling.The end cross of second connecting portion is penetrated with a kind of securing member can overlap second through hole 56 that is inserted in wherein, and the securing member of employing can be selected high strength bolt 58.
With reference to accompanying drawing 4 and accompanying drawing 5, preceding card is a kind of machete jig, and the one side is insulation arm-tie connecting portion 41, and another side is a yoke plate connecting portion 42.Insulation arm-tie connecting portion 41 is a kind of opening fork, and the bottom 45 of fork is diclinic degree structure, and the summit is "＜" shape towards the opening part of fork.Yoke plate connecting portion 42 also is a kind of opening fork, reverse with insulation arm-tie connecting portion 41 openings, the opening direction of fork is consistent with the bearing of trend of side, open end 43 is curved arc shape, the inner bottom part 44 of fork is diclinic degree structure, the summit is "＞" shape towards the opening part of fork, wherein gradient structure can with the yoke plate that is connected by touching the position cooperation.
According to above-mentioned structure, in conjunction with the accompanying drawings 1, and with reference to the structure of accompanying drawing 2-5 to strain tower double-hanging-point single-link-plate insulator chain ground potential live of the present invention more the course of work of changing device be described:
1, the insulation arm-tie connecting portion with preceding card 4 couples together with insulation arm-tie 3 usefulness securing members.The screw mandrel that will have wire grip is connected on first connecting portion 51 of back card 5 with securing member (as bolt or pin).
2, the yoke plate connecting portion of preceding card 4 fork is enclosed within yoke plate 6 one sides, open end 43 buttons of fork touch on yoke plate 6 and bolt point that lead is connected, are fixing point, and the inner bottom part of fork touches on the side that leans against yoke plate, is the point that links.
3, the turnover panel 53 of back card 5 is opened, jig body 52 be placed on the insulator string of changing in the side at the hanging point place of cross-arm guy plate 7, ladder caulking groove 54 embeds on the structure of hanging point place correspondence, turnover panel then closes, this moment, the ladder caulking groove of turnover panel 53 inboards also embedded on hanging point place opposite side counter structure, form matched moulds nested connection of shape with 52 pairs of insulator strings of jig body at the hanging point place of cross-arm guy plate, and form first fixing point;
Second through hole of end that 4, will back card 5 second connecting portions moves in the hole slot of cross-arm guy plate 7, and cover inserts and securing member is installed, and forms second fixing point, thereby fix the back card on the cross-arm guy plate.
5, tighten up screw mandrel, this moment is because back card 5 is fixed on the cross-arm guy plate, the insulation arm-tie connecting portion that insulation arm-tie 3 drives preceding card 4 blocks 5 directions backward and moves, card 4 fixing points were fulcrum in the past, its interlock point is being lifted yoke plate 6 respective side (insulator string one side that will change) and is also being blocked 5 directions thereupon backward and move, shorten the original distance of insulator string, lax insulator string is changed the work of insulator then.
It is same as the prior art that the present invention does not state part.
Claims (8)
1. strain tower double-hanging-point single-link-plate insulator chain ground potential live changing device more, include the screw mandrel (2) and the insulation arm-tie (3) that have wire grip (1), it is characterized in that, also include preceding card (4) and back card (5), one side of preceding card (4) is insulation arm-tie connecting portion (41), fixedly connected with the bottom of insulation arm-tie (3) in its end, another side is yoke plate connecting portion (42), be a kind of opening fork, the opening direction of fork is consistent with the bearing of trend of side, open end (43) is curved arc shape, and the inner bottom part of fork (44) is a kind of inclined-plane, and its gradient cooperates by touching the position with the yoke plate that is connected; Back card (5) is a kind of turnover panel jig, include with screw mandrel (2) and be connected first connecting portion (51), and second connecting portion that includes jig body (52) and turnover panel (53), one side of the turnover panel of second connecting portion (53) is installed on the jig body (52), hinged with jig body (52), turnover panel (53) has been opened ladder caulking groove (54) with jig body (52) opposed inside face, the cross-arm hanging point place structure of this ladder caulking groove (54) and the insulator string of changing can tabling, opened first through hole (55) in the ladder caulking groove (54), it can be socketed in insulator string on the bolt of cross-arm hanging point; The end cross of second connecting portion is penetrated with a kind of securing member can overlap second through hole (56) that is inserted in wherein.
2. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that, the insulation arm-tie connecting portion (41) of preceding card (4) is a kind of opening fork, the bottom of fork (45) is diclinic degree structure, the summit is "＜" shape towards the opening part of fork.
3. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that, the fork pockets inner bottom part (44) of the yoke plate connecting portion (42) of preceding card (4) is diclinic degree structure, and the summit is "＞" shape towards the opening part of fork.
4. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that, on first connecting portion (51) of back card (5) connecting hole is arranged, the end portion of insulation arm-tie (3) is furnished with plurality of through holes, and the through hole on first connecting portion (51) is connected by securing member with a wherein through hole of insulation arm-tie (3) bottom.
5. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that the horizontal axial line that the inboard ladder caulking groove (54) of the jig body (52) of back card (5) and turnover panel (53) blocks later on is that line of symmetry is a symmetric construction.
6. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that, described ladder caulking groove (54) is for being the structure that disperse a horizontal side of center back card with first through hole (55).
7. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that, described jig body (52) and turnover panel (53) are plugged on the hinged place by a kind of pin (57) to carry out hinge and be connected.
8. strain tower double-hanging-point single-link-plate insulator chain ground potential live according to claim 1 is changing device more, it is characterized in that, the securing member that the end cross of described second connecting portion runs through at second through hole (56) is a kind of high strength bolt (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010132821 CN101931181B (en) | 2010-03-26 | 2010-03-26 | Strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010132821 CN101931181B (en) | 2010-03-26 | 2010-03-26 | Strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101931181A true CN101931181A (en) | 2010-12-29 |
| CN101931181B CN101931181B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010132821 Expired - Fee Related CN101931181B (en) | 2010-03-26 | 2010-03-26 | Strain tower double-hanging-point single-link-plate insulator chain ground potential live exchange device |
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| CN (1) | CN101931181B (en) |
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| CN102231495A (en) * | 2011-07-07 | 2011-11-02 | 福建省电力有限公司漳州电业局 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN102231493A (en) * | 2011-07-07 | 2011-11-02 | 福建省电力有限公司漳州电业局 | Method for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN102664364A (en) * | 2012-03-21 | 2012-09-12 | 浙江省电力公司培训中心 | Universal broadsword fixture |
| CN103683110A (en) * | 2013-12-26 | 2014-03-26 | 国家电网公司 | L-LF type insulator string ground potential live replacement method |
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| CN102231495A (en) * | 2011-07-07 | 2011-11-02 | 福建省电力有限公司漳州电业局 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN102231493A (en) * | 2011-07-07 | 2011-11-02 | 福建省电力有限公司漳州电业局 | Method for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN102231495B (en) * | 2011-07-07 | 2013-09-18 | 国家电网公司 | Disassembled fixture for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN102231493B (en) * | 2011-07-07 | 2013-09-18 | 国家电网公司 | Method for replacing ground potentials of tension insulator string in vertical dual-string arrangement |
| CN102664364A (en) * | 2012-03-21 | 2012-09-12 | 浙江省电力公司培训中心 | Universal broadsword fixture |
| CN104283173A (en) * | 2013-07-04 | 2015-01-14 | 上海艾迪欧电力防振金具有限公司 | Anticorona voltage-sharing type strain insulator-string set |
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| CN103683110A (en) * | 2013-12-26 | 2014-03-26 | 国家电网公司 | L-LF type insulator string ground potential live replacement method |
| CN103683110B (en) * | 2013-12-26 | 2016-10-19 | 国家电网公司 | L-LF pattern insulator chain ground potential electrification replacing operational method |
| CN103683109B (en) * | 2013-12-26 | 2017-01-11 | 国家电网公司 | 220kV line L-LF type insulator string live replacement tool |
| CN103825217A (en) * | 2014-03-04 | 2014-05-28 | 国家电网公司 | Anti-tension triple-connected middle string clamp for 1,000kV ultrahigh-voltage power transmission line |
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| CN108736426A (en) * | 2018-07-24 | 2018-11-02 | 国网辽宁省电力有限公司本溪供电公司 | A kind of single string strain insulator puts, stringing attachment device |
| CN109672111A (en) * | 2019-02-11 | 2019-04-23 | 国家电网有限公司 | The combination tool and method of horizontal rotation method replacement direct current grounding pole line tension string |
| CN109830913A (en) * | 2019-02-11 | 2019-05-31 | 国家电网有限公司 | The combination tool and method of vertical rotary method replacement direct current grounding pole line tension string |
| CN109672111B (en) * | 2019-02-11 | 2024-01-30 | 国家电网有限公司 | Combined tool and method for replacing direct current grounding electrode line strain insulator string by horizontal rotation method |
| CN112202106A (en) * | 2020-10-31 | 2021-01-08 | 国网河南省电力公司平顶山供电公司 | Tool and operation method for replacing double-bundle conductor strain insulator string at earth potential |
| CN114362041A (en) * | 2021-12-14 | 2022-04-15 | 云南电网有限责任公司昆明供电局 | Method for changing straight rod into tension rod and hardware fitting for changing straight rod into tension rod |
| CN114362041B (en) * | 2021-12-14 | 2024-03-01 | 云南电网有限责任公司昆明供电局 | Method for changing straight line rod into tension rod and hardware fitting for changing straight line rod into tension rod |
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| CN101931181B (en) | 2012-12-05 |
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