CN103401177A - Method for replacing vibration damper - Google Patents
Method for replacing vibration damper Download PDFInfo
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- CN103401177A CN103401177A CN2013102904735A CN201310290473A CN103401177A CN 103401177 A CN103401177 A CN 103401177A CN 2013102904735 A CN2013102904735 A CN 2013102904735A CN 201310290473 A CN201310290473 A CN 201310290473A CN 103401177 A CN103401177 A CN 103401177A
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- stockbridge damper
- bar
- sleeve
- grapple
- hollow pipe
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Abstract
The invention discloses a method for replacing a vibration damper. In the operation method, a bracket and a vibration damper claw hook for replacing the vibration damper are adopted for supporting, so that labor force is reduced, and the labor intensity of operators is reduced; and meanwhile, a bolt is locked and detached by using an electric bolt locking device, so that safety and reliability are achieved, and the function of remote operation can be realized.
Description
Technical field
The present invention relates to a kind of stockbridge damper and change, particularly a kind of stockbridge damper replacing method.
Background technology
As the indispensable gold utensil of overhead transmission line, stockbridge damper is widely used in all circuit paragraphs.The problems such as its damage, displacement are one of FAQs of circuit, the phenomenon such as impaired or displacement for stockbridge damper, if all apply for that interruption maintenance will reduce grid stability, also can affect supply of electric power simultaneously, if but wait the power failure chance to change again and will certainly strengthen line security hidden danger, the reduction circuit general level of the health, therefore for the best solution of problems, be to adopt charged mode in time to carry out the defect elimination processing, guarantee that line security is stable.
The master operation of changing the stockbridge damper operation requires operation finer and smoother, and conventional earth potential working instrument can't meet its job requirements, reaches the operation purpose.Therefore, the equal potential working mode is generally adopted in various places at present, by the operating personnel, enters the electric field equipotential and carries out upkeep operation.But the equal potential working security risk is larger, this " safety " is required very strict for persons' composition gap, operation gap, and (take 110kV and following tower as main) often can't meet job requirements on the tower of a lot of little spaces.Thereby causing changing operation can't in time complete.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, and a kind of a kind of stockbridge damper replacing method applicable to the charged for replacement stockbridge damper is provided.
A kind of stockbridge damper replacing method, (1) will change the stockbridge damper bracing frame, insulating bar, electronic bolt locking device, complete being lifted on tower of stockbridge damper grapple assembling; (2) stockbridge damper be will change and formation gusseted form on different tower materials, locking will be separately fixed at the grapple of stent support boom end; (3) insulating bar is inserted into and changes stockbridge damper with on the connection-peg of bracing frame, also locking, the stockbridge damper grapple is connected to the head of insulating bar; (4) regulate and change stockbridge damper with bracing frame triangle length, will change stockbridge damper and use bracing frame connection-peg extension to cross-arm, the control operation bar, hook stockbridge damper by stockbridge damper; (5) operating personnel selects the turnbarrel angle of electronic bolt locking device according to site work environment, adjusts position, uses electronic bolt locking device to carry out the dismounting of stockbridge damper bolt, then controls insulating bar, takes off damaged stockbridge damper; (6) utilize insulating bar that new stockbridge damper is in place, then with electronic bolt locking device, lock the stockbridge damper bolt to realize the new and old replacing of stockbridge damper.
This operational method, play support by changing stockbridge damper with support, stockbridge damper grapple, reduces the labour, alleviate operating personnel's labour intensity, utilize simultaneously electronic bolt locking device to lock and demounting bolt, have safety, reliably, can realize remote operated function.
A kind of replacing stockbridge damper support, include the support bar of the adjustable length of 3, the support bar of 3 is connected on a contiguous block, the support bar of three is hinged on contiguous block, in the upper end of contiguous block, be provided with the connection-peg be used to the insulating bar of pegging graft, described connection-peg, for by universal joint, to be connected on contiguous block, is provided with a grapple in the bottom of every support bar, and described grapple is hinged on support bar.
The replacing stockbridge damper support of this structure, in use, be hooked in respectively the support bars of three on pylon, up square neck is oblique with support to make the replacing stockbridge damper, then the insulating bar bar is plugged on connection-peg, and the stockbridge damper grapple is arranged on to the head of insulating bar, just can realize the replacing of stockbridge damper, adopt replacing stockbridge damper of the present invention can realize earthy safety work with support, can alleviate again the labour intensity of changing stockbridge damper.
Hinged between hinged, grapple between described support bar and contiguous block and support bar is detachable hinged.
Adopt detachable being hinged on while not needing to use, can, by this support dismounting packing, be convenient to deposit and carry.
Described grapple includes two snatch pin that become 90 degree, on the snatch pin of every, is provided with screw thread, on the snatch pin, is provided with compressing tablet and a locking nut of a L-type, and compressing tablet and locking nut can move on the snatch pin.
The grapple of this structure, utilize two to become the snatch pin of 90 degree and the 90 crooked angle bar of spending of shaft tower tower material to fasten, then with compressing tablet and locking nut locking.
The support bar of described adjustable length, for support bar is consisted of mutual sheathing inside and outside two pipe fittings together, is provided with through hole in a row along its axis direction on inside and outside two pipe fittings, with connector, they are locked after adjusting as required relative length.
As required the length of three support bars of length adjustment of bracing frame is to adapt to the on-the-spot needs that use in use.
Described connection-peg is the connection-peg of hood type.
Described electronic bolt locking device, include electronic mobile jib and many secondary auxiliary connection bars, wherein electronic mobile jib includes electric wrench, rotation mandrel, insulated hollow pipe, electric wrench is movably connected on an end of insulated hollow pipe, and the rotation mandrel is movably connected in the rotating shaft of electric wrench and is positioned at the inner chamber of insulated hollow pipe; Each auxiliary connection bar comprises insulated hollow pipe, rotation mandrel or directly connects with the sleeve at inner polygon angle or connect the sleeve with the inner polygon angle by transmission device, the rotating shaft of described auxiliary connection rod sleeve and rotation mandrel or transmission device is detachable flexible connection, the flexible connection that the insulated hollow pipe of electronic mobile jib and the insulated hollow pipe of auxiliary connection bar are detachable, the rotation mandrel of electronic mobile jib is connected with the mutually movable detachable of rotation mandrel of auxiliary connection bar.
The electronic bolt locking device of this structure, by sleeve being adopted transmission device be connected with the rotation mandrel of auxiliary connection bar, by controlling the driving angle of transmission device, just can realize the sleeve movement output of multiple angles, thereby design the auxiliary connection bar of a plurality of different rotary angles, then sleeve is aimed to threaded connector, restart electric wrench and rotate by electric wrench driven rotary mandrel, then the sleeve rotation that is driven with interior angle by the rotation mandrel realizes tightening or dismantling.
Between the rotation mandrel of the sleeve of described electronic bolt locking device and auxiliary connection bar or the rotating shaft of transmission device, adopt buckle-type to be connected, after sleeve was in place, buckle blocked sleeve, during dismounting, pressed buckle and just sleeve can be taken off.
The buckle of described electronic bolt locking device is clamp button of the spring, in the rotating shaft of the rotation mandrel of auxiliary connection bar or transmission device, grab is set, and in the relevant position of sleeve, draw-in groove is set.
Detachable flexible connection between the electronic mobile jib insulated hollow pipe of described electronic bolt locking device and auxiliary connection bar insulated hollow pipe arranges respectively external screw thread for the link of the insulated hollow pipe of the insulated hollow pipe at electronic mobile jib and auxiliary connection bar, then at the inner chamber two ends of one section sleeve pipe, the internal thread that matches with it is set, electronic mobile jib is connected with sleeve pipe respectively with the insulated hollow pipe of auxiliary connection bar.
The rotation mandrel of the electronic mobile jib of described electronic bolt locking device adopts inserting type to be connected between the two with being connected to of axle of the rotation mandrel of auxiliary connection bar, namely therein the end of a rotation mandrel arranges the blind hole with interior angle, in end of another rotation mandrel, corresponding exterior angle is set with interior angle, matches.
Adopt this fit system, the effect of playing transferring power that can be good.
The transmission device of described electronic bolt locking device is Bevel Gear Transmission.
Adopt Bevel Gear Transmission, can realize 180 degree corners of power.
Described stockbridge damper grapple, include two grapples that are set up in parallel, two grapples be oriented one to backward previous, and grapple is opening up, two grapples link together by connecting rod, and the middle part above the relative direction of connecting rod two grapples is provided with the connector that is connected with insulating bar.
The stockbridge damper grapple of this structure, the length of grapple is according to the stockbridge damper type design, after under two grapple snatches, just withstand the both sides weight, in use first control operation bar, make grapple and stockbridge damper that certain angle be arranged, adjusted position postpone, control operation bar rotation grapple, to parallel with stockbridge damper, then mentioned grapple and just can firmly be caught stockbridge damper, by connecting insulating bar, can realize the crawl of charged remote stockbridge damper.
The connector of described stockbridge damper grapple is the connector of plum blossom-shaped.
The end of described insulating bar is provided with the connector of plum blossom-shaped.
In sum, the present invention's following advantage compared to existing technology:
Stockbridge damper replacing method of the present invention, play support by changing stockbridge damper with support, stockbridge damper grapple, reduces the labour, alleviate operating personnel's labour intensity, utilize simultaneously electronic bolt locking device to lock and demounting bolt, have safety, reliably, can realize remote operated function.
If adopting replacing stockbridge damper method of the present invention calculates by 100,000 kilowatts of 110kV circuit on-loads, power failure operation needed line outage 3 hours (comprise that power failure operation, work permit and termination check-in, power transmission operation required time) at least, more than will losing amount of power supply 300,000 kilowatt hours.And if can adopt live line working, one-stop operation can reduce the amount of power supply loss of about 300,000 kilowatt hours, if by 0.5 yuan of calculating of every kilowatt hour, can reduce 150,000 yuan of direct economic losses; No matter more 220kV and Above Transmission Lines institute on-load are more, the economic benefit of generation just will be turned at double; On the other hand, the application of this project achievement, can reduce the change that stops power transmission operational ton and whole power system operating mode, greatly improves the safe operation of electric network reliability.Adopt replacing stockbridge damper device of the present invention, package unit supports the use, and can realize live line working, can greatly alleviate operating personnel's labour intensity simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of replacing stockbridge damper of the present invention with bracing frame.
Fig. 2 is the structural representation of stockbridge damper grapple of the present invention.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is that the B of Fig. 3 is to view.
Fig. 5 is electronic bolt locking device structural representation of the present invention.
Fig. 6 is another secondary bar structural representation of electronic bolt locking device.
Fig. 7 is the use state diagram that stockbridge damper of the present invention is changed instrument.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.
A kind of stockbridge damper replacing method, (1) will be changed stockbridge damper bracing frame 1, insulating bar 3, electronic bolt locking device 2, complete being lifted on tower of stockbridge damper grapple 4 assembling; (2) stockbridge damper be will change and formation gusseted form on different tower materials, locking will be separately fixed at the grapple of stent support boom end; (3) insulating bar is inserted into and changes stockbridge damper with on the connection-peg of bracing frame, also locking, the stockbridge damper grapple is connected to the head of insulating bar; (4) regulate and change stockbridge damper with bracing frame triangle length, will change stockbridge damper and use bracing frame connection-peg extension to cross-arm, the control operation bar, hook stockbridge damper by stockbridge damper; (5) operating personnel selects the turnbarrel angle of electronic bolt locking device according to site work environment, adjusts position, uses electronic bolt locking device to carry out the dismounting of stockbridge damper bolt, then controls insulating bar, takes off damaged stockbridge damper; (6) utilize insulating bar that new stockbridge damper is in place, then with electronic bolt locking device, lock the stockbridge damper bolt to realize the new and old replacing of stockbridge damper.
Described replacing stockbridge damper support such as Fig. 1, include the support bar 11 of the adjustable length of 3, the support bar of 3 is connected on a contiguous block 12, the support bar of three is hinged on contiguous block, in the upper end of contiguous block, be provided with the connection-peg 13 be used to the insulating bar of pegging graft, described connection-peg, for by universal joint, to be connected on contiguous block, is provided with a grapple 14 in the bottom of every support bar, described grapple is hinged on support bar.Described grapple includes two snatch pin 15 that become 90 degree, on the snatch pin of every, is provided with screw thread, on the snatch pin, is provided with compressing tablet 16 and a locking nut of a L-type, and compressing tablet and locking nut can move on the snatch pin.The support bar of described adjustable length, for support bar is consisted of mutual sheathing inside and outside two pipe fittings together, is provided with through hole in a row along its axis direction on inside and outside two pipe fittings, with connector, they are locked after adjusting as required relative length.Described replacing stockbridge damper is detachable hinged with hinged between hinged, the grapple between the support bar of support and contiguous block and support bar.
Described stockbridge damper grapple In Figure 2-4, include two grapples that are set up in parallel 41, two grapples be oriented one to backward previous, and grapple is opening up, two grapples link together by connecting rod 42, and the middle part above the relative direction of connecting rod two grapples is provided with the connector 43 that is connected with insulating bar.Described connector is the joint of plum blossom-shaped.
Described electronic bolt locking device such as Fig. 5-6, mainly the auxiliary connection bar 22 by electronic mobile jib 21 and two pairs forms, wherein electronic mobile jib includes electric wrench 23, rotation mandrel 24, insulated hollow pipe 25, electric wrench is movably connected on an end of hollow pipe, and the rotation mandrel is movably connected in the rotating shaft of electric wrench and is positioned at the inner chamber of hollow pipe; Each auxiliary connection bar comprises insulated hollow pipe, rotation mandrel, wherein the auxiliary connection bar of a pair directly connects the sleeve 26 with the inner polygon angle, another secondary auxiliary connection bar is by the sleeve at bevel gearing and inner polygon angle, it between the output shaft of described auxiliary connection rod sleeve and rotation mandrel or bevel gear, is detachable flexible connection, between the rotation mandrel of sleeve and auxiliary connection bar or the output shaft of bevel gear, adopt buckle-type to be connected, after sleeve is in place, buckle blocks sleeve, during dismounting, presses buckle and just sleeve can be taken off.Described buckle is clamp button of the spring, on the output shaft of the rotation mandrel of auxiliary connection bar or bevel gear, grab is set, and draw-in groove is set in the relevant position of sleeve and connects realizing.Detachable flexible connection between electronic mobile jib insulated hollow pipe and auxiliary connection bar insulated hollow pipe arranges respectively external screw thread for the link of the insulated hollow pipe of the insulated hollow pipe at electronic mobile jib and auxiliary connection bar, then at the inner chamber two ends of one section sleeve pipe, the internal thread that matches with it is set, electronic mobile jib is connected with sleeve pipe 27 respectively with the insulated hollow pipe of auxiliary connection bar.The rotation mandrel of described electronic mobile jib adopts inserting type to be connected between the two with being connected to of axle of the rotation mandrel of auxiliary connection bar, namely therein the end of a rotation mandrel arranges the blind hole with interior angle, in end of another rotation mandrel, corresponding exterior angle is set with interior angle, matches.
The end of insulating bar is provided with the connector of plum blossom-shaped.
It is same as the prior art that the present embodiment is not stated part.
Claims (10)
1. stockbridge damper replacing method, it is characterized in that: (1) will change the stockbridge damper bracing frame, insulating bar, electronic bolt locking device, complete being lifted on tower of stockbridge damper grapple assembling; (2) stockbridge damper be will change and formation gusseted form on different tower materials, locking will be separately fixed at the grapple of stent support boom end; (3) insulating bar is inserted into and changes stockbridge damper with on the connection-peg of bracing frame, also locking, the stockbridge damper grapple is connected to the head of insulating bar; (4) regulate and change stockbridge damper with bracing frame triangle length, will change stockbridge damper and use bracing frame connection-peg extension to cross-arm, the control operation bar, hook stockbridge damper by stockbridge damper; (5) operating personnel selects the turnbarrel angle of electronic bolt locking device according to site work environment, adjusts position, uses electronic bolt locking device to carry out the dismounting of stockbridge damper bolt, then controls insulating bar, takes off damaged stockbridge damper; (6) utilize insulating bar that new stockbridge damper is in place, then with electronic bolt locking device, lock the stockbridge damper bolt to realize the new and old replacing of stockbridge damper.
2. stockbridge damper replacing method according to claim 1, it is characterized in that: described replacing stockbridge damper support, include the support bar of the adjustable length of 3, the support bar of 3 is connected on a contiguous block, the support bar of three is hinged on contiguous block, in the upper end of contiguous block, be provided with the connection-peg be used to the insulating bar of pegging graft, described connection-peg is for to be connected on contiguous block by universal joint, in the bottom of every support bar, be provided with a grapple, described grapple is hinged on support bar.
3. stockbridge damper replacing method according to claim 2, it is characterized in that: described replacing stockbridge damper includes two snatch pin that become 90 degree with the grapple of support, on the snatch pin of every, be provided with screw thread, on the snatch pin, be provided with compressing tablet and a locking nut of a L-type, compressing tablet and locking nut can move on the snatch pin.
4. stockbridge damper replacing method according to claim 3, it is characterized in that: described replacing stockbridge damper is that support bar is consisted of mutual sheathing inside and outside two pipe fittings together with the support bar of the adjustable length of support, on inside and outside two pipe fittings, along its axis direction, be provided with through hole in a row, with connector, they locked after adjusting as required relative length.
According to claim 1 to 4 any one described stockbridge damper replacing method, it is characterized in that: described electronic bolt locking device, include electronic mobile jib and many secondary auxiliary connection bars, wherein electronic mobile jib includes electric wrench, rotation mandrel, insulated hollow pipe, electric wrench is movably connected on an end of insulated hollow pipe, and the rotation mandrel is movably connected in the rotating shaft of electric wrench and is positioned at the inner chamber of insulated hollow pipe; Each auxiliary connection bar comprises insulated hollow pipe, rotation mandrel or directly connects with the sleeve at inner polygon angle or connect the sleeve with the inner polygon angle by transmission device, the rotating shaft of described auxiliary connection rod sleeve and rotation mandrel or transmission device is detachable flexible connection, the flexible connection that the insulated hollow pipe of electronic mobile jib and the insulated hollow pipe of auxiliary connection bar are detachable, the rotation mandrel of electronic mobile jib is connected with the mutually movable detachable of rotation mandrel of auxiliary connection bar.
6. stockbridge damper replacing method according to claim 5, it is characterized in that: between the rotation mandrel of the sleeve of described electronic bolt locking device and auxiliary connection bar or the rotating shaft of transmission device, adopt buckle-type to be connected, after sleeve is in place, buckle blocks sleeve, during dismounting, presses buckle and just sleeve can be taken off.
7. stockbridge damper replacing method according to claim 6, it is characterized in that: the buckle of described electronic bolt locking device is clamp button of the spring, in the rotating shaft of the rotation mandrel of auxiliary connection bar or transmission device, grab is set, in the relevant position of sleeve, draw-in groove is set.
8. stockbridge damper replacing method according to claim 7, it is characterized in that: the detachable flexible connection between the electronic mobile jib insulated hollow pipe of described electronic bolt locking device and auxiliary connection bar insulated hollow pipe arranges respectively external screw thread for the link of the insulated hollow pipe of the insulated hollow pipe at electronic mobile jib and auxiliary connection bar, then at the inner chamber two ends of one section sleeve pipe, the internal thread that matches with it is set, electronic mobile jib is connected with sleeve pipe respectively with the insulated hollow pipe of auxiliary connection bar.
9. stockbridge damper replacing method according to claim 8, it is characterized in that: the rotation mandrel of the electronic mobile jib of described electronic bolt locking device adopts inserting type to be connected between the two with being connected to of axle of the rotation mandrel of auxiliary connection bar, namely therein the end of a rotation mandrel arranges the blind hole with interior angle, in end of another rotation mandrel, corresponding exterior angle is set with interior angle, matches.
10. stockbridge damper replacing method according to claim 1, it is characterized in that: described stockbridge damper grapple, include two grapples that are set up in parallel, two grapples be oriented one to backward previous, and grapple is opening up, two grapples link together by connecting rod, and the middle part above the relative direction of connecting rod two grapples is provided with the connector that is connected with insulating bar.
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CN201310290473.5A CN103401177B (en) | 2013-07-11 | 2013-07-11 | A kind of stockbridge damper replacing options |
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CN201310290473.5A CN103401177B (en) | 2013-07-11 | 2013-07-11 | A kind of stockbridge damper replacing options |
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CN103401177B CN103401177B (en) | 2016-04-27 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104218496A (en) * | 2014-09-16 | 2014-12-17 | 国家电网公司 | Method for inverse climbing cross arm replacement for live line |
CN108123400A (en) * | 2017-12-14 | 2018-06-05 | 国家电网公司 | Insulating bar auxiliary device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105552801B (en) * | 2016-02-05 | 2017-11-10 | 国家电网公司 | Power transmission circuit caused by windage defence method and device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0159536A2 (en) * | 1984-04-06 | 1985-10-30 | RIGANTI S.p.A. | Vibration damper for a conductor of an overhead electric line |
JPS6192112A (en) * | 1984-03-22 | 1986-05-10 | ア、サルビイ アンド シ− エス、ピ、エイ | Vibration-damping damper for stretched cable |
CN102064496A (en) * | 2010-12-02 | 2011-05-18 | 河南省电力公司南阳供电公司 | Replaceable tool of covered line shockproof hammer |
CN202231354U (en) * | 2011-09-22 | 2012-05-23 | 河南省电力公司焦作供电公司 | Replacing tool for vibration damper on power transmission line |
CN102882157A (en) * | 2012-10-30 | 2013-01-16 | 安徽省电力公司淮北供电公司 | Portable tool for replacing tension wire shockproof hammer in power cut |
-
2013
- 2013-07-11 CN CN201310290473.5A patent/CN103401177B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6192112A (en) * | 1984-03-22 | 1986-05-10 | ア、サルビイ アンド シ− エス、ピ、エイ | Vibration-damping damper for stretched cable |
EP0159536A2 (en) * | 1984-04-06 | 1985-10-30 | RIGANTI S.p.A. | Vibration damper for a conductor of an overhead electric line |
CN102064496A (en) * | 2010-12-02 | 2011-05-18 | 河南省电力公司南阳供电公司 | Replaceable tool of covered line shockproof hammer |
CN202231354U (en) * | 2011-09-22 | 2012-05-23 | 河南省电力公司焦作供电公司 | Replacing tool for vibration damper on power transmission line |
CN102882157A (en) * | 2012-10-30 | 2013-01-16 | 安徽省电力公司淮北供电公司 | Portable tool for replacing tension wire shockproof hammer in power cut |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104218496A (en) * | 2014-09-16 | 2014-12-17 | 国家电网公司 | Method for inverse climbing cross arm replacement for live line |
CN108123400A (en) * | 2017-12-14 | 2018-06-05 | 国家电网公司 | Insulating bar auxiliary device |
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CN103401177B (en) | 2016-04-27 |
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