CN104283146B - A kind of device and method changing insulator chain - Google Patents
A kind of device and method changing insulator chain Download PDFInfo
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- CN104283146B CN104283146B CN201410319619.9A CN201410319619A CN104283146B CN 104283146 B CN104283146 B CN 104283146B CN 201410319619 A CN201410319619 A CN 201410319619A CN 104283146 B CN104283146 B CN 104283146B
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- insulator chain
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Abstract
The invention discloses a kind of device changing insulator chain, it includes transmitting rope, assembly pulley, small slide, pull rope, the first pulley, the second pulley, traction wheel；First pulley, the second pulley are both secured on the cross-arm of steel tower, the transmission rope of structure is through on the first pulley ringwise, pull rope is through on the first pulley and traction wheel respectively and the upper end of the first insulator chain to be replaced is fixed in one end of this pull rope, the other end of this pull rope is fixed on steel tower on the column foot of the first insulator chain side, and the second pulley and traction wheel are positioned at the same side of pull rope；The lower end of the first insulator chain is fixed on transmission rope, and this transmission rope is also fixed in the upper end of the second insulator chain for replacing this first insulator chain；Assembly pulley includes fixed pulley group, running block and rope；The first annulus that small slide is formed in one and the figure-8 structure that the second annulus is formed.The invention also discloses a kind of method using this device to carry out replacing insulator string.
Description
Technical field
The present invention relates to a kind of hot line maintenance technical field, belong to change insulator chain device and
Method.
Background technology
At present, domestic field of power transmission, changing bunch of insulator is all to use motor-driven grinding mill.But supertension is defeated
Electric line is normally at scarcely populated " high, spacious " area.Once bus or train route is obstructed, only transports by manpower
Motor-driven grinding mill, so may result in, and cost is high, time-consuming for a long time, efficiency is low, there is also certain in transportation
Personal safety accident.
The method of existing replacing bunch of insulator generally there is problems in that
1, motor-driven grinding mill volume is big and heavy, transport difficult in the case of not having bus or train route to arrive tower position.
2, motor-driven grinding mill needs to consume gasoline, and parts are in use easily damaged, and needs constantly
Infusion of financial resources goes to safeguard.
3, motor-driven grinding mill professional operator is few, and operational risk is big, if operational error will result in the person
Security incident.
Summary of the invention
For overcoming the deficiencies in the prior art, an object of the present invention is joining by small slide and assembly pulley
Close structure, it is achieved a kind of light, practical, simple to operate device changing insulator chain.
To achieve these goals, the present invention adopts the technical scheme that:
A kind of device changing insulator chain, it include transmitting rope, assembly pulley, small slide, pull rope, the
One pulley, the second pulley, traction wheel；
Described first pulley, the second pulley are both secured on the cross-arm of steel tower, and the transmission rope of structure is worn ringwise
On described first pulley, described pull rope is through on the first pulley and traction wheel and the one of this pull rope respectively
End is fixed on the upper end of the first insulator chain to be replaced, and the other end of this pull rope is fixed on described steel tower and leans on
On the column foot of nearly first insulator chain side, wherein, described second pulley and traction wheel are positioned at the same of pull rope
Side；
The lower end of described first insulator chain is fixed on transmission rope, for replacing the of this first insulator chain
The upper end of two insulator chains is also fixed on this transmission rope；
It is described that described assembly pulley includes that fixed pulley group, running block and rope, described fixed pulley group are fixed on
On the steel tower column foot away from the first insulator chain side, fixed pulley group or dynamic sliding is fixed in one end of described rope
On wheels, in described fixed pulley group and running block after winding, the other end of this rope hand-held, described dynamic
Assembly pulley is fixed with traction wheel and is connected and the two is positioned at the both sides of pull rope；
The first annulus that described small slide is formed in one and the figure-8 structure that the second annulus is formed, be positioned at and lead
Pull rope between the other end of running wheel and described pull rope is through the first annulus and walks around the second annulus, described
Second annulus is fixed on described steel tower on the column foot of the first insulator chain side.
Described second annulus passes through a shackle and is fixedly connected on described steel tower near the first insulator chain side
The continuous rope of column foot achieves a fixed connection.
The radius of described first annulus is more than the radius of the second annulus.
Fixed pulley in described fixed pulley group and the movable pulley in running block are the integer more than 1, institute
The one end stating rope is fixed on running block, and described rope alternately walks around movable pulley and fixed pulley, and around
After crossing last fixed pulley hand-held.
Fixed pulley in described fixed pulley group may be contained within one first installation axle, moving in described running block
Pulley may be contained within one second installation axle in, and fixed pulley all along described first install axle axis be center
Rotate, movable pulley all along described second install axle axis be center rotating.
Described first installs axle is arranged in the first mounting bracket, and described first mounting bracket is exhausted with away from first
The column foot of edge substring side is fixed.
Described second installs axle is arranged in the second mounting bracket, and the upper end of described second mounting bracket is fixing even
Connecing a hook being connected with traction wheel, the lower end of described second mounting bracket is fixing connects one for rope even
The retainer ring connect.
Another object of the present invention is to the fit structure by small slide and assembly pulley, it is achieved a kind of light,
Practical, the simple to operate method changing insulator chain.
A kind of device changing insulator chain realizes the method changing insulator chain, and it comprises the following steps:
Chain block is hung over tower head by step 1, tower head staff, and conductor wire end staff tightens up chain block
With thread hook, insulator chain stress is transferred to chain block, make insulator chain be in relaxed state, unload absolutely
The bolt linked with yoke plate bottom edge substring, such first insulator chain afterbody is connected releasing with yoke plate；
Step 2, pull rope, after pull rope stress therewith, the first insulator chain is mentioned, make tower head fix
The bolt at one insulator chain top is in loosening state, and tower head staff takes advantage of a situation and extracted out by this bolt, so,
First insulator chain top also loses connection；
Step 3, recovery rope, until removing assembly pulley, now the first insulation when pull rope is in exceptionally straight state
The pulling force of pull rope is transferred completely on small slide by substring；
Step 4, unclamp the other end being fixed on steel tower near the pull rope of the column foot of the first insulator chain side,
Slowly played back pull rope by small slide, the top of the first insulator chain begins to decline the downside to its head；
Step 5, pull transmission rope, make the first insulator chain drop to ground, now, the second insulator chain quilt
It is pulled to tower head, to be replaced.
In the case of the weight of the first insulator chain is more than the second insulator chain weight, step 5 can be omitted,
When slowly playing back pull rope by small slide, the action of gravity of the first insulator chain is relied on to make the first insulator chain
Dropping to ground, the second insulator chain is pulled to tower head.
Described first insulator chain is dish-type insulator chain, and described second insulator chain is composite insulation substring.
Compared with prior art, it has the beneficial effects that the present invention:
1, simplify the method that motor-driven grinding mill changes bunch of insulator, make Renewal process convenient, quick.
2, more simple to operate than motor-driven grinding mill behaviour, it is not necessary to training specialty motor-driven grinding mill operator.
3, control tail rope and only need an operated by personnel, relative to operation motor-driven grinding mill, there is not generation people
Body security incident probability.
4, alleviate the weight of Work tool, in task afterwards, go on a journey convenient, quick.If
It is then can to save manpower traffic expense in mountain region operation.
5, small slide is durable, it is not necessary to maintenance is gone in constantly infusion of financial resources, it is not necessary to consume fuel.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of device changing insulator chain of the present invention；
Fig. 2 is the structural representation of the embodiment one of Fig. 1 middle pulley group；
Fig. 3 is the structural representation of the embodiment two of Fig. 1 middle pulley group；
Fig. 4 is the structural representation of small slide.
Wherein: 1, steel tower；2, the first insulator chain；3, transmission rope；31, the first pulley；4, second is exhausted
Edge substring；5, assembly pulley；51, fixed pulley group；511, first axle is installed；512, the first mounting bracket；
52, running block；521, second axle is installed；522, the second mounting bracket；523, hook；524, solid
Determine ring；53, rope；6, small slide；61, the first annulus；62, the second annulus；63, shackle；7、
Pull rope；71, the second pulley；8, traction wheel；9, continuous rope.
Detailed description of the invention
With detailed description of the invention, present disclosure is described in further details below in conjunction with the accompanying drawings.
Embodiment
Refer to shown in Fig. 1, a kind of device changing insulator chain, it include transmit rope 3, assembly pulley 5,
Small slide 6, pull rope 7, pulley 31, pulley 71, traction wheel 8；Pulley 31, pulley 71 are both secured to
On the cross-arm of steel tower 1, the transmission rope 3 of structure is through on pulley 31 ringwise, and pull rope 7 is through at cunning respectively
The upper end of insulator chain 2 to be replaced is fixed on wheel 71 and traction wheel 8 and one end of this pull rope 7, should
The other end of pull rope 7 is fixed on steel tower 1 on the column foot of insulator chain 2 side, wherein, and pulley 71
With the same side that traction wheel 8 is positioned at pull rope 7；The lower end of insulator chain 2 is fixed on transmission rope 3, uses
Also it is fixed on this transmission rope 3 in the upper end of the insulator chain 4 replacing this insulator chain 2；Assembly pulley 5 wraps
Including fixed pulley group 51, running block 52 and rope 53, fixed pulley group 51 is fixed on steel tower 1 away from insulation
On the column foot of substring 2 side, one end of rope 53 is fixed on fixed pulley group 51 or running block 52,
In fixed pulley group 51 and running block 52 after winding, the other end of this rope 53 hand-held, running block 52
Fixing with traction wheel 8 it is connected and the two is positioned at the both sides of pull rope 7；
Refer to shown in Fig. 2, the fixed pulley in fixed pulley group 51 and the movable pulley in running block 52 are 3
Individual, the pulling force of such configuration is 1/6th of traction wheel 8 stress, and labour-saving is at the same time it can also be reduce
Staff, it is of course also possible to configure more fixed pulley and movable pulley.One end of rope 53 is fixed on dynamic
On assembly pulley 52, rope 53 alternately walks around fixed pulley and movable pulley, and after walking around last movable pulley
Hand-held.When pulling rope 53, running block 53 gradually moves to fixed pulley group 51, causes pull rope 7 quilt
Stretch out, so that the top of insulator chain 2 loosens because of bending.In like manner, when unclamping rope 53,
Under the action of gravity of insulator chain 2, pull rope 7 is gradually restored to exceptionally straight state, so that running block 52
It is gradually distance from fixed pulley group 51.
As assembly pulley 5 of the present invention another embodiment, the fixed pulley in fixed pulley group 51 may be contained within
One installs in axle 511, and the movable pulley in running block 52 may be contained within an installation axle 521, and fixed sliding
Wheel all along installation axle 511 axis be center rotating, movable pulley all along installation axle 521 axis be that center turns
Dynamic.Wherein, axle 511 is installed and is arranged in mounting bracket 512, mounting bracket 512 with away from insulator chain 2
The column foot of side is fixed.Installing axle 521 to be arranged in mounting bracket 522, the upper end of mounting bracket 522 is solid
Surely connecting a hook 523 being connected with traction wheel 8, the fixing connection in the lower end of mounting bracket 522 one is used for and rope
The retainer ring 524 that rope 53 connects.
Refer to shown in Fig. 4, annulus 61 that small slide 6 is formed in one and the 8-shaped that annulus 62 is formed
Structure, the pull rope 7 between the other end of traction wheel 8 and pull rope 7 through annulus 61 and walks around circle
Ring 62, annulus 62 is fixed on steel tower 1 on the column foot of insulator chain 2 side.Annulus 62 unloads by one
Button 63 achieves a fixed connection with being fixedly connected on the steel tower 1 continuous rope 9 near the column foot of insulator chain 2 side.
The radius of annulus 61 is more than the radius of annulus 62.
Use the replacing to insulator chain of the above-mentioned device installed, to be replaced to by dish-type insulator chain
As a example by composite insulation substring (weight of dish-type insulator chain is much larger than the weight of composite insulation substring), it is changed
Process is as follows:
Chain block is hung over tower head by step 1, tower head staff, and conductor wire end staff tightens up chain block
With thread hook, insulator chain stress is transferred to chain block, make insulator chain be in relaxed state, unload absolutely
The bolt linked with yoke plate bottom edge substring, such dish-type insulator chain afterbody is connected releasing with yoke plate.
Step 2, pulls rope 53, is mentioned by dish-type insulator chain, make tower head after pull rope 7 stress therewith
The bolt at fixing dish-type insulator chain top is in loosening state, and tower head staff takes advantage of a situation and extracted out by this bolt,
So, dish-type insulator chain top also loses connection.
Step 3, reclaims rope 53, until removing assembly pulley 5, this hour indicator when pull rope 7 is in exceptionally straight state
The pulling force of pull rope 7 is transferred completely on small slide 6 by type insulator chain.
Step 4, unclamp another of pull rope 7 being fixed on steel tower 1 near the column foot of dish-type insulator chain side
End, slowly plays back pull rope 7 by small slide 6, while dish-type insulator chain declines, due to transmission rope 3
Being connected to dish-type insulator chain afterbody, dish-type insulator chain be enough to handle to the pulling force transmitting rope 3 during declining
Composite insulator moves tower head to, this eliminates after dish-type insulator drops to ground, more artificial uses transmission rope
Composite insulator is moved to the process of tower head.Certainly, if the weight of insulator chain 2 is not more than insulator
The weight of string 4, then ground staff pulls transmission rope can realize the exchange of the two position.
Finally, ground staff coordinates tower head personnel to draw transmission rope that composite insulator is pulled to bolt on insulator chain
Hole and tower head U-shaped link plate bolt hole overlap, and insert screw rod, fastening nut, and first-class R sells.Conductor wire end works
Personnel adjust chain block, by yoke plate bolt hole be directed at socket-clevis eye bolt hole, first-class bolt, fastening nut,
It is plugged R pin.Follow-up remove operation Work tool by job step, without legacy on tower, tower under personal security,
I.e. complete to change.
Although the present invention is illustrated by specific embodiment, it will be appreciated by those skilled in the art that,
Without departing from the present invention, it is also possible to the present invention is carried out various conversion and equivalent substitutes.It addition,
For particular condition or application, the present invention can be made various amendment, without deviating from the scope of the present invention.Cause
This, the present invention is not limited to disclosed specific embodiment, and should include falling into the claims in the present invention model
Enclose interior whole embodiments.
Claims (9)
1. the device changing insulator chain, it is characterised in that it include transmission rope (3), assembly pulley (5),
Small slide (6), pull rope (7), the first pulley (31), the second pulley (71), traction wheel (8)；
Described first pulley (31), the second pulley (71) are both secured on the cross-arm of steel tower (1), in ring
The transmission rope (3) of shape structure is through on described first pulley (31), and described pull rope (7) is through at respectively
To be replaced first is fixed in second pulley (71) and upper and this pull rope (7) the one end of traction wheel (8)
The upper end of insulator chain (2), the other end of this pull rope (7) is fixed on described steel tower (1) near first
On the column foot of insulator chain (2) side, wherein, described second pulley (71) and traction wheel (8) are positioned at
The same side of pull rope (7)；
The lower end of described first insulator chain (2) is fixed in transmission rope (3), is used for replacing this first exhausted
The upper end of second insulator chain (4) of edge substring (2) is also fixed on this transmission rope (3)；
Described assembly pulley (5) includes fixed pulley group (51), running block (52) and rope (53), institute
State fixed pulley group (51) to be fixed on the described steel tower (1) column foot away from the first insulator chain (2) side,
One end of described rope (53) is fixed on fixed pulley group (51) or running block (52), described fixed
After assembly pulley (51) and the upper winding of running block (52), the other end of hand-held this rope (53), described
Running block (52) and traction wheel (8) be fixing to be connected and the two is positioned at the both sides of pull rope (7)；
The first annulus (61) that described small slide (6) is formed in one and the second annulus (62) is formed 8
Character form structure, the pull rope (7) being positioned between the other end of traction wheel (8) and described pull rope (7) is worn
Crossing the first annulus (61) and walk around the second annulus (62), described second annulus (62) is fixed on described steel tower
(1) on the column foot of the first insulator chain (2) side.
The device of replacing insulator chain the most according to claim 1, it is characterised in that described second circle
Ring (62) passes through a shackle (63) and is fixedly connected on described steel tower (1) near the first insulator chain (2)
The continuous rope (9) of the column foot of side achieves a fixed connection.
The device of replacing insulator chain the most according to claim 1 and 2, it is characterised in that described
The radius of one annulus (61) is more than the radius of the second annulus (62).
The device of replacing insulator chain the most according to claim 1, it is characterised in that described fixed pulley
Fixed pulley in group (51) and the movable pulley in running block (52) are the integer more than 1, described
One end of rope (53) is fixed on running block (52), and movable pulley alternately walked around by described rope (53)
And fixed pulley, and hand-held after walking around last fixed pulley.
5. according to the device changing insulator chain described in claim 1 or 4, it is characterised in that described fixed
Fixed pulley in assembly pulley (51) may be contained within one first installation axle (511), described running block (52)
In movable pulley may be contained within one second installation axle (521), and fixed pulley all installs axle along described first
(511) axis is center rotating, movable pulley all along described second install axle (521) axis be center
Rotate.
The device of replacing insulator chain the most according to claim 5, it is characterised in that described first peace
Dress axle (511) be arranged in the first mounting bracket (512), described first mounting bracket (512) with away from
The column foot of the first insulator chain (2) side is fixed.
The device of replacing insulator chain the most according to claim 5, it is characterised in that described second peace
Dress axle (521) is arranged in the second mounting bracket (522), the upper end of described second mounting bracket (522)
The hook (523) that fixing connection one is connected with traction wheel (8), under described second mounting bracket (522)
End is fixing connects one for the retainer ring (524) being connected with rope (53).
8. the device of a replacing insulator chain according to claim 1 realizes changing the side of insulator chain
Method, it is characterised in that it comprises the following steps:
Chain block is hung over tower head by step 1, tower head staff, and conductor wire end staff tightens up chain block
With thread hook, insulator chain stress is transferred to chain block, make insulator chain be in relaxed state, unload absolutely
The bolt linked with yoke plate bottom edge substring, such first insulator chain (2) afterbody is connected releasing with yoke plate；
Step 2, pull rope (53), after pull rope (7) stress therewith, the first insulator chain (2) is carried
Rising, the bolt making tower head fix the first insulator chain (2) top is in loosening state, and tower head staff is suitable
Will definitely extract out by this bolt, so, the first insulator chain (2) top also loses connection；
Step 3, recovery rope (53), until removing assembly pulley (5) when pull rope (7) is in exceptionally straight state,
Now the pulling force of pull rope (7) is transferred completely on small slide (6) by the first insulator chain (2)；
Step 4, unclamp the pull rope of column foot being fixed on steel tower (1) near the first insulator chain (2) side
(7) the other end, slowly plays back pull rope (7) by small slide (6), the first insulator chain (2)
Top begins to decline the downside to its head；
Step 5, pull transmission rope (3), make the first insulator chain (2) drop to ground, now, second
Insulator chain (4) is pulled to tower head, to be replaced.
The method of replacing insulator chain the most according to claim 8, it is characterised in that described first exhausted
Edge substring (2) is dish-type insulator chain, and described second insulator chain (4) is composite insulation substring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319619.9A CN104283146B (en) | 2014-07-07 | 2014-07-07 | A kind of device and method changing insulator chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319619.9A CN104283146B (en) | 2014-07-07 | 2014-07-07 | A kind of device and method changing insulator chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104283146A CN104283146A (en) | 2015-01-14 |
| CN104283146B true CN104283146B (en) | 2017-01-04 |
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ID=52257773
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410319619.9A Active CN104283146B (en) | 2014-07-07 | 2014-07-07 | A kind of device and method changing insulator chain |
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| CN (1) | CN104283146B (en) |
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| CN104638570A (en) * | 2015-02-12 | 2015-05-20 | 中国南方电网有限责任公司超高压输电公司百色局 | Power transmission line blackout and live-working split-type six-bundled-conductor lifter and application thereof |
| CN105514867A (en) * | 2015-12-28 | 2016-04-20 | 中国电力科学研究院 | Method for replacing V-shaped insulator string of power transmission line pole |
| CN105762702B (en) * | 2016-04-01 | 2017-08-04 | 中国南方电网有限责任公司超高压输电公司南宁局 | The method of replacing ± 800kV DC power transmission line L insulator strings |
| CN106129896A (en) * | 2016-07-26 | 2016-11-16 | 中国南方电网有限责任公司超高压输电公司柳州局 | Pole insulator chain transmission method on ± 500kV common-tower double-return DC line tangent tower |
| CN110086120B (en) * | 2019-06-03 | 2020-10-09 | 国家电网有限公司 | Anti-bundle tightening device for electrified dismounting insulator string, dismounting device and dismounting method |
| CN114195050A (en) * | 2021-09-30 | 2022-03-18 | 安捷电维智能科技研究院(广州)有限公司 | Pulley lifting mechanism |
| CN115132043A (en) * | 2022-07-27 | 2022-09-30 | 国网山西省电力公司晋城供电公司 | Simulation training teaching aid for power transmission line construction and method thereof |
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|---|---|
| CN104283146A (en) | 2015-01-14 |
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