CN205081393U - Electrified insulator chain lifting mechanism - Google Patents
Electrified insulator chain lifting mechanism Download PDFInfo
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- CN205081393U CN205081393U CN201520786238.1U CN201520786238U CN205081393U CN 205081393 U CN205081393 U CN 205081393U CN 201520786238 U CN201520786238 U CN 201520786238U CN 205081393 U CN205081393 U CN 205081393U
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- insulation
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- insulation wheel
- fixed pulley
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- 239000012212 insulator Substances 0.000 title abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 95
- 239000000725 suspension Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
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Abstract
The utility model provides an electrified insulator chain lifting mechanism, includes the insulating rope of fixed pulley, movable pulley and winding movable pulley and fixed pulley, insulating wheel on fixed pulley and the movable pulley all disposes according to the two -stage quintuplet, the fixed pulley top is articulated to have the yoke plate to connect, and the yoke plate connects and links to each other with construction mounting hole on the cross arm through the round pin axle, the movable pulley bottom is articulated to have the lifting hook to connect, and the lifting hook connects and links to each other with the four -bundled conductor lifting hook through the round pin axle. The advantage is: can provide sufficient traction force, guarantee that four -bundled conductor's insulator chain is lax simultaneously, the change is more swift, by transferring to ground to the stringing operation from the tower, can reduce clearance operation work volume, has both improved the operating efficiency, can also reduce intensity of labour.
Description
Technical field
The utility model relates to the insulator string service kit field on 500kV ultra-high-tension power transmission line, particularly a kind of charged insulating substring lifter.
Background technology
Because aerial high-voltage power transmission sequence bears electrically and mechanical load for a long time, and be subject to the impact of the factors such as temperature, rainwater, sunlight, make insulator easily occur aging and damage.Therefore, must change underproof insulator in time, guarantee the safe and stable operation of circuit.Insulator on charged for replacement 500kV ultra-high-tension power transmission line in the past, the hot line job on tower of many employing messenger wire bars, insulator string length difference is comparatively large, and the length adjustment inconvenience of messenger wire bar, therefore often can not successfully depart from and installing insulating substring.
The utility model of application number 201220598935.0 discloses one " instrument of the two insulator string of replacing linear pole under live state tower double bundle conductor ", structure comprises the fixation kit be connected with insulator string cross-arm side two yoke plate, the coupling assembling be connected with insulator string double bundle conductor two yoke plate, has insulation connection cord between fixation kit and coupling assembling; Fixation kit comprises connecting plate two pieces, yoke plate clamp, insulating block, unloads buckle assembly, yoke plate clamp, insulating block and unload buckle assembly and be connected between two pieces of connecting plates from top to bottom successively; Coupling assembling comprises fixed head two pieces, insulating block assembly, four holder yoke plate snap fit components, and insulating block assembly is connected between two pieces of fixed heads, is positioned at the length direction midpoint of fixed head, the holder yoke plate snap fit component symmetrical two ends being connected to fixed head between two.Only need by after fixing to fixation kit and two yoke plates of cross-arm side, surface personnel utilizes the lifting of the connection cord that insulate can realize the replacing of insulator string.This device has installs reliable, quick, safe advantage, and its weak point is that drawing tension is little, can not meet the requirement of 500KV overhead transmission line, and the replacing for the insulator string of conductors on quad bundled is also had any problem.
Summary of the invention
The purpose of this utility model is to provide a kind of charged insulating substring lifter, enough tractive effort can be provided, ensure that the insulator string of conductors on quad bundled relaxes simultaneously, change faster, by stringing operation is transferred to ground from tower, gap operating workload can be reduced, both improved operating efficiency, can also labour intensity be reduced.
For achieving the above object, the utility model is achieved through the following technical solutions:
Charged insulating substring lifter, comprises the insulating cord of fixed pulley, movable pulley and winding movable pulley and fixed pulley, and the insulation wheel on described fixed pulley and movable pulley all configures by two-stage 5-linked; Described fixed pulley top is hinged with yoke plate joint, and yoke plate joint is connected with the construction and installation hole on cross-arm by bearing pin, and described movable pulley bottom-hinged has suspension hook joint, and suspension hook joint is connected with conductors on quad bundled suspension hook by bearing pin.
One end of described insulating cord lies in the lower end of fixed pulley, and the other end of insulating cord is connected with the hand winch be connected in ground fixture downwards.
The structure of described fixed pulley comprises insulation gap plate, bolt, insulation gap cover, large footpath insulation wheel and path insulation wheel, six insulation gap plates are linked into an integrated entity by bolt and insulation gap cover, a large footpath insulation wheel and a path insulation wheel is furnished with between adjacent insulation gap cover, large footpath insulation wheel is upper, path insulation wheel under, described large footpath insulation wheel diameter D1 is greater than the insulating cord diameter d that path insulation wheel diameter D2 adds twice.
The structure of described movable pulley comprises insulation gap plate, bolt, insulation gap cover, large footpath insulation wheel and path insulation wheel, six insulation gap plates are linked into an integrated entity by bolt and insulation gap cover, a large footpath insulation wheel and a path insulation wheel is furnished with between adjacent insulation gap cover, path insulation wheel is upper, large footpath insulation wheel under, described large footpath insulation wheel diameter D1 is greater than the insulating cord diameter d that path insulation wheel diameter D2 adds twice.
Described large footpath insulation wheel and path insulation wheel are equipped with ball bearing with between corresponding bolt.
Compared with prior art, the beneficial effects of the utility model are:
1) overcome the shortcoming that the use model of the charged Work tools of hard such as messenger wire bar is single, lift portion tool length is freely adjustable, thus reaches the object of saving acquisition expenses, also facilitates installation personnel to use operation simultaneously.
2) ten take turns the tractive effort that assembly pulley can provide enough, the hot line maintenance meeting 500KV electric pressure changes the instructions for use of tangent tower bunch of insulator;
3) by stringing operation is transferred to ground from tower, greatly reduce gap operating workload, improve operating efficiency, reduce the labour intensity of operation electrician;
4) configuration of yoke plate joint and conductors on quad bundled suspension hook, makes this lifter be applicable to the cross arm end structure of multiple tower, meets versatility requirement.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the utility model application state schematic diagram;
Fig. 3 is the utility model fixed pulley example structure schematic diagram;
Fig. 4 is the utility model movable pulley example structure schematic diagram;
Fig. 5 is the utility model insulation wheel mounting structure example structure schematic diagram.
In figure: 1-fixed pulley, 2-movable pulley, 3-insulating cord, 4-yoke plate joint, 5-cross-arm, 6-suspension hook joint, 7-conductors on quad bundled suspension hook, 8-hand winch, 9-insulation gap plate, 10-bolt, 11-insulation gap cover, 12-large footpath insulation wheel, 13-path insulation wheel, 14-ball bearing, 15-check ring, 16-limiting gasket, 17-wire, 18-insulating cord connecting ring.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
See Fig. 1, Fig. 2, it is the utility model charged insulating substring lifter example structure schematic diagram, comprise fixed pulley 1, movable pulley 2 and be wound around the insulating cord 3 of movable pulley and fixed pulley, the insulation wheel on fixed pulley and movable pulley, all by the configuration of two-stage 5-linked, to be namely respectively respectively made up of 10 wheels that insulate; Fixed pulley 1 top is hinged with yoke plate joint 4, yoke plate joint is connected with the construction and installation hole on cross-arm 5 by bearing pin, movable pulley 2 bottom-hinged has suspension hook joint 6, suspension hook joint 6 is connected with conductors on quad bundled suspension hook 7 by bearing pin, because no matter the cross-arm of what form all has construction and installation hole, so the versatility of the utility model lifter can be improved.
One end of insulating cord 3 lies in the lower end of fixed pulley 1, the other end of insulating cord is first wound around movable pulley and fixed pulley in turn, the last downward hand winch 8 with being connected in ground fixture (such as steel tower foot basis) is connected, the product of hand winch preferably with manual reverse of direction and auto-lock function, to improve operating characteristics.
When changing insulator string, fixed pulley 1 hangs on cross-arm 5 by operating personnel, and conductors on quad bundled suspension hook 7 hooks four wires 17 respectively; in order to prevent accident; reply circuit installs one deck backup protection additional, then at ground traction insulating cord stringing lead, after wire tightens up; strain insulator string becomes lax; on tower, operating personnel is departed from wire with joint efforts, replaces with new insulator, then repeatedly checks strong degree; broadcast insulating cord and unclamp wire, pull down lifter.Because stringing operation has been transferred to ground from tower, therefore gap operating workload can be greatly reduced, reduce labour intensity tower operating electrician, raised the efficiency, reduction accident Probability simultaneously.
See Fig. 3, it is the utility model fixed pulley example structure schematic diagram, the structure of fixed pulley comprises insulation gap plate 9, bolt 10, insulation gap cover 11, large footpath insulation wheel 12 and path insulation wheel 13, six insulation gap plates 9 are linked into an integrated entity by bolt 10 and insulation gap cover 11, a large footpath insulation wheel 12 and a path insulation wheel 13 is furnished with between adjacent insulation gap cover, large footpath insulation wheel 12 is upper, path insulation wheel 13 under, for alleviating the wearing and tearing between insulating cord 3, large footpath insulation wheel diameter D1 is greater than the insulating cord diameter d that path insulation wheel diameter D2 adds twice.Insulating cord connecting ring 18 is positioned at the below of the side path insulation wheel of fixed pulley, fixing for insulating cord termination.
See Fig. 4, it is the utility model movable pulley example structure schematic diagram, the structure of movable pulley and fixed pulley are mirror symmetry, also insulation gap plate 9 is comprised, bolt 10, insulation gap cover 11, large footpath insulation wheel 12 and path insulation wheel 13, six insulation gap plates 9 are linked into an integrated entity by bolt 10 and insulation gap cover 11, a large footpath insulation wheel 12 and a path insulation wheel 13 is furnished with between adjacent insulation gap cover, path insulation wheel 13 is upper, large footpath insulation wheel 12 under, also for ease of the wearing and tearing alleviated between insulating cord 3, large footpath insulation wheel diameter D1 is greater than the insulating cord diameter d that path insulation wheel diameter D2 adds twice.
See Fig. 5, it is the utility model insulation wheel mounting structure example structure schematic diagram, large footpath insulation wheel 12 and path insulate between wheel 13 and bolt 10 and are equipped with ball bearing 14, the outer ring of ball bearing is located by check ring 15, the inner ring both sides of ball bearing are located by limiting gasket 16, ensure that position of bearings can not play, insulation wheel Free-rolling, frictional resistance is little.
The above embodiment is only the instantiation chosen for describing the purpose of this utility model, technical scheme and beneficial effect in detail; but should in no way limit protection range of the present utility model; all under the prerequisite without prejudice to spirit of the present utility model and principle; the various modifications done, equivalent replacement and improvement, all should fall within protection range of the present utility model.
Claims (5)
1. charged insulating substring lifter, comprises the insulating cord of fixed pulley, movable pulley and winding movable pulley and fixed pulley, it is characterized in that, the insulation wheel on described fixed pulley and movable pulley all configures by two-stage 5-linked; Described fixed pulley top is hinged with yoke plate joint, and yoke plate joint is connected with the construction and installation hole on cross-arm by bearing pin, and described movable pulley bottom-hinged has suspension hook joint, and suspension hook joint is connected with conductors on quad bundled suspension hook by bearing pin.
2. charged insulating substring lifter according to claim 1, is characterized in that, one end of described insulating cord lies in the lower end of fixed pulley, and the other end of insulating cord is connected with the hand winch be connected in ground fixture downwards.
3. charged insulating substring lifter according to claim 1, it is characterized in that, the structure of described fixed pulley comprises insulation gap plate, bolt, insulation gap cover, large footpath insulation wheel and path insulation wheel, six insulation gap plates are linked into an integrated entity by bolt and insulation gap cover, a large footpath insulation wheel and a path insulation wheel is furnished with between adjacent insulation gap cover, large footpath insulation wheel is upper, path insulation wheel under, described large footpath insulation wheel diameter D1 is greater than the insulating cord diameter d that path insulation wheel diameter D2 adds twice.
4. charged insulating substring lifter according to claim 1, it is characterized in that, the structure of described movable pulley comprises insulation gap plate, bolt, insulation gap cover, large footpath insulation wheel and path insulation wheel, six insulation gap plates are linked into an integrated entity by bolt and insulation gap cover, a large footpath insulation wheel and a path insulation wheel is furnished with between adjacent insulation gap cover, path insulation wheel is upper, large footpath insulation wheel under, described large footpath insulation wheel diameter D1 is greater than the insulating cord diameter d that path insulation wheel diameter D2 adds twice.
5. the charged insulating substring lifter according to claim 3 or 4, is characterized in that, described large footpath insulation wheel and path insulation wheel are equipped with ball bearing with between corresponding bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786238.1U CN205081393U (en) | 2015-10-12 | 2015-10-12 | Electrified insulator chain lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786238.1U CN205081393U (en) | 2015-10-12 | 2015-10-12 | Electrified insulator chain lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081393U true CN205081393U (en) | 2016-03-09 |
Family
ID=55433769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520786238.1U Active CN205081393U (en) | 2015-10-12 | 2015-10-12 | Electrified insulator chain lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862080A (en) * | 2018-08-14 | 2018-11-23 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of run-in index tackle pulley |
-
2015
- 2015-10-12 CN CN201520786238.1U patent/CN205081393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862080A (en) * | 2018-08-14 | 2018-11-23 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of run-in index tackle pulley |
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| GR01 | Patent grant |