CN105119193A - Power transmission line strain insulator string replacement method and tool - Google Patents
Power transmission line strain insulator string replacement method and tool Download PDFInfo
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- CN105119193A CN105119193A CN201510560707.2A CN201510560707A CN105119193A CN 105119193 A CN105119193 A CN 105119193A CN 201510560707 A CN201510560707 A CN 201510560707A CN 105119193 A CN105119193 A CN 105119193A
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- rear end
- jig
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Abstract
The invention relates to a power transmission line strain insulator string replacement method and tool. According to the invention, a special combined wing plate replacement tool is adopted. The replacement tool includes a front-end clamp, a back-end clamp, rotary joints, a tension frame and pull plates; the main body of the tension frame is a rectangular frame; the front-end clamp and the back-end clamp are clamped to two transverse edges of the tension frame respectively in a limited manner; two ends of the front-end clamp and the back-end clamp are respectively connected with one rotary joint; and one pull plate is installed at the middle portions of two longitudinal edges of the tension frame respectively. The replacement tool of the invention has the advantages of small size, light weight, high safety, high efficiency, simple operation, high practicability and wide application range, and is suitable for ultrahigh voltage tension insulator string replacement work and can be applied to string structures with identical tension fittings and different tension string lengths.
Description
Technical field
The present invention relates to power construction, especially a kind of power line tension insulator string replacing options and instrument.
Background technology
Along with the fast development of national economy and power grid construction, voltage levels circuit gets more and more, the requirement of circuit continued power is more and more higher, the power cut construction time is shorter and shorter, the development & application of this instrument, the comprehensive upkeep operation of UHV transmission line can be extended to use, be both the further investigation by this type of Novel work utensil, to from now on safe, efficiently carry out the research of Novel work utensil secure support be provided.
Through retrieval, find the following close technology of publication.
A kind of isolator hot-line replacing method (CN104201605A) preventing drag rope from skidding, use two-three pieces of gusset pieces, lap guard six pulley and charged for replacement gold utensil, described charged for replacement gold utensil comprises gold utensil body, gold utensil body side connects the first gusset piece that shape is isosceles triangle or isosceles trapezoid, opposite side connects the second gusset piece, described gold utensil body is formed with groove for embedding fixing described first gusset piece hypotenuse for connecting the first gusset piece place, described gold utensil body is provided with the hook for drawing fixing cord and walks two, walk three coasters.According to the present invention, when exchanging ultra high voltage strain insulator string, can alleviate ultra high voltage strain insulator string charged exchange time disengaging weight, and while gold utensil is not easy to skid off, and drag rope skidding, winding can be prevented, reduce work difficulty, conveniently charged exchange easily carried out to insulator string.
A kind of UHV transmission line bunch of insulator charged for replacement method (CN104201602A), use two-three pieces of gusset pieces and charged for replacement gold utensil, described charged for replacement gold utensil comprises gold utensil body, gold utensil body side connects the first gusset piece that shape is isosceles triangle or isosceles trapezoid, opposite side connects the second gusset piece, described gold utensil body is formed with groove for embedding fixing described first gusset piece hypotenuse for connecting the first gusset piece place, described gold utensil body is provided with the hook for drawing fixing cord and walks two and walk three coasters.When carrying out whole string and changing, after stringing lead to described strain insulator string gets loose, hang down to ground after described strain insulator string gets loose and change.According to the present invention, disengaging weight when ultra high voltage strain insulator string is charged to be exchanged can be alleviated, and gold utensil is not easy to skid off, and reduces work difficulty, conveniently carries out charged exchange easily to insulator string.
Through contrast, there is relatively big difference in the technical scheme of the above technology of publication and present patent application application.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of structure is simple, safe and reliable, easy to operate, cleaning effect is good power line tension insulator string replacing options and instrument are provided.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of power line tension insulator string replacing options, it is characterized in that: use special combination wing plate to change instrument, comprise front end jig, rear end jig, swivel, tension frame, arm-tie, tension frame main body is a rectangular frame, spacingly respectively on the horizontal both sides of this tension frame clamp front end jig and rear end jig, front end jig and jig two ends, rear end connection of rotating joint respectively; An arm-tie is separately installed with in the middle part of longitudinal both sides of tension frame.
And, described front end jig is made up of the front end jig monomer that two relative spiral-locks are fixing, front end jig monomer comprises front end wing plate and front end location-plate, in the middle part of the wing plate of front end, lower end symmetry is shaped with two front end location-plates, these two front end location-plates are shaped with coaxial front end screw, in the middle part of the jig of front end, form a clip slot; In front end, wing plate both lateral sides symmetry is shaped with hangers hole, front end.
And, be shaped with protruding front end rib in the middle part of the wing plate of front end, and be shaped with the limited impression of half arc in location-plate side, front end.
And the rear end jig monomer that rear end jig is fixedly mounted with by two relative spiral-locks forms, and rear end jig comprises rear end location-plate, bolt hole and rear end fin, is shaped with stopper slot inside the location-plate of rear end, on the location-plate of rear end, middle part is all shaped with bolt hole; The rear end positioning fixture monomer of two relative spiral-locks is fixed by construction bolt in the bolt hole of both sides, in the middle part of two rear end jig monomer links, form spacing hole.
And, be fixed with bed course in stopper slot.
And, be shaped with rear end fin at the outer middle side part of rear end floor, in the middle part of this rear end fin, be shaped with bolt hole.
And arm-tie is high-strength alloy arm-tie, high-strength alloy arm-tie is controlled flexible by lifting screw mandrel.
And, method of operation:
(1) use special combination wing plate to change instrument, by front end jig with rear end jig is spacing is respectively inlaid in tension frame;
(2) connect insulator string to be replaced, front end jig and rear end jig are connected to one end of insulator string to be replaced respectively by swivel;
(3) utilize lifting screw mandrel to tighten up the arm-tie on tension frame both sides, thus make tension force suffered by the insulator string in tension frame be transferred to tension frame and arm-tie, insulator is relaxed, then extracts insulator string to be replaced, change.
Advantage of the present invention and good effect are:
The feature that replacing instrument volume used in the present invention is little, lightweight, safe and efficient, simple to operate, practical, be adapted at using in superhigh pressure changing strain insulator string insulator work, and this replacing instrument is applied widely, can, serial type that strain insulator length different identical at strain hardware fitting use.
Accompanying drawing explanation
Fig. 1 is that the present invention constructs schematic diagram;
Fig. 2 is front end jig monomer structure front view;
Fig. 3 cuts open right view in Fig. 2;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is rear end jig monomer structure front view;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5.
Mark in accompanying drawing: 1 front end jig, 2 arm-ties, 3 swivels, 4 strain insulator strings, 5 rear end jigs, 6 tension frame,
101 front end wing plates, 102 front end location-plates, 103 front end fins, 104 front end screws, 105 limited impressions, 106 hangers holes, front end, 501 rear end location-plates, 502 bed courses, 503 rear end fins, 504 rear end hangers, 505 bolts hole.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of power line tension insulator string replacing options, uses special combination wing plate to change instrument, comprises front end jig 1, rear end jig 5, swivel 3, tension frame 6, arm-tie 2 and lifting screw mandrel (not shown),
Front end jig is made up of the front end jig monomer that two relative spiral-locks are fixing, shown in accompanying drawing 2 to 4, front end jig monomer comprises front end wing plate 101 and front end location-plate 102, in the middle part of the wing plate of front end, lower end symmetry is shaped with two front end location-plates, these two front end location-plates are shaped with coaxial front end screw 104, be connected by screw the front end location-plate of two front end jig monomers, two front end jig monomers be fixedly connected with and form a clip slot in the middle part of the jig of front end; In front end, wing plate both lateral sides symmetry is shaped with hangers hole, front end 106, and hangers hole, front end can be used for connection of rotating joint;
Be shaped with protruding front end rib 103 plate proof strength in the middle part of the wing plate of front end, and be shaped with the limited impression 105 of half arc in location-plate side, front end, be convenient to and location and installation.
The rear end jig monomer that rear end jig is fixedly mounted with by two relative spiral-locks forms, shown in accompanying drawing 5 to 7, rear end jig comprises rear end location-plate 501, bolt hole 505 and rear end fin 503, stopper slot is shaped with inside the location-plate of rear end, be fixed with bed course 502 in stopper slot, on the location-plate of rear end, middle part is all shaped with bolt hole; The rear end positioning fixture monomer of two relative spiral-locks is fixed by construction bolt in the bolt hole of both sides, forms spacing hole, be connected to framework for spacing in the middle part of two rear end jig monomer links; Be shaped with rear end fin at the outer middle side part of rear end floor, be shaped with bolt hole in the middle part of this rear end fin, this bolt hole can be used for connection of rotating joint.
Tension frame 6 main body is a rectangular frame, spacingly respectively on the horizontal both sides of this tension frame clamp front end jig and rear end jig, in the middle part of longitudinal both sides of tension frame, be separately installed with an arm-tie 2, this arm-tie is high-strength alloy arm-tie, and high-strength alloy arm-tie is controlled flexible by lifting screw mandrel.
Method of operation:
(1) use special combination wing plate to change instrument, by front end jig with rear end jig is spacing is respectively inlaid in tension frame;
(2) connect insulator string to be replaced, front end jig and rear end jig are connected to one end of insulator string to be replaced respectively by swivel;
(3) utilize lifting screw mandrel to tighten up the arm-tie on tension frame both sides, thus make tension force suffered by the insulator string in tension frame be transferred to tension frame and arm-tie, insulator is relaxed, then easily can extract, change.
Utilizing power line tension hardware string two ends to extend the gold utensils such as parallel link plate and towing plate is main stress point, the safety of operating personnel can be ensured, do not affect again insulator string to be replaced and the stressed problem and the structural relation that do not need to change insulator string, more can avoid between the stage of replacement, the risk that operation of power networks may occur.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (8)
1. a power line tension insulator string replacing options, it is characterized in that: use special combination wing plate to change instrument, comprise front end jig, rear end jig, swivel, tension frame, arm-tie, tension frame main body is a rectangular frame, spacingly respectively on the horizontal both sides of this tension frame clamp front end jig and rear end jig, front end jig and jig two ends, rear end connection of rotating joint respectively; An arm-tie is separately installed with in the middle part of longitudinal both sides of tension frame.
2. power line tension insulator string replacing options according to claim 1, it is characterized in that: described front end jig is made up of the front end jig monomer that two relative spiral-locks are fixing, front end jig monomer comprises front end wing plate and front end location-plate, in the middle part of the wing plate of front end, lower end symmetry is shaped with two front end location-plates, these two front end location-plates are shaped with coaxial front end screw, in the middle part of the jig of front end, form a clip slot; In front end, wing plate both lateral sides symmetry is shaped with hangers hole, front end.
3. power line tension insulator string replacing options according to claim 2, is characterized in that: be shaped with protruding front end rib in the middle part of the wing plate of front end, and be shaped with the limited impression of half arc in location-plate side, front end.
4. power line tension insulator string replacing options according to claim 1, it is characterized in that: the rear end jig monomer that rear end jig is fixedly mounted with by two relative spiral-locks forms, rear end jig comprises rear end location-plate, bolt hole and rear end fin, be shaped with stopper slot inside the location-plate of rear end, on the location-plate of rear end, middle part is all shaped with bolt hole; The rear end positioning fixture monomer of two relative spiral-locks is fixed by construction bolt in the bolt hole of both sides, in the middle part of two rear end jig monomer links, form spacing hole.
5. power line tension insulator string replacing options according to claim 1, is characterized in that: be fixed with bed course in stopper slot.
6. power line tension insulator string replacing options according to claim 1, is characterized in that: be shaped with rear end fin at the outer middle side part of rear end floor, is shaped with bolt hole in the middle part of this rear end fin.
7. power line tension insulator string replacing options according to claim 1, is characterized in that: arm-tie is high-strength alloy arm-tie, and high-strength alloy arm-tie is controlled flexible by lifting screw mandrel.
8. power line tension insulator string replacing options according to claim 1, is characterized in that: method of operation:
(1) use special combination wing plate to change instrument, by front end jig with rear end jig is spacing is respectively inlaid in tension frame;
(2) connect insulator string to be replaced, front end jig and rear end jig are connected to one end of insulator string to be replaced respectively by swivel;
(3) utilize lifting screw mandrel to tighten up the arm-tie on tension frame both sides, thus make tension force suffered by the insulator string in tension frame be transferred to tension frame and arm-tie, insulator is relaxed, then extracts insulator string to be replaced, change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560707.2A CN105119193B (en) | 2015-09-07 | 2015-09-07 | A kind of power line tension insulator string replacing options and instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560707.2A CN105119193B (en) | 2015-09-07 | 2015-09-07 | A kind of power line tension insulator string replacing options and instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119193A true CN105119193A (en) | 2015-12-02 |
| CN105119193B CN105119193B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510560707.2A Active CN105119193B (en) | 2015-09-07 | 2015-09-07 | A kind of power line tension insulator string replacing options and instrument |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112467616B (en) * | 2020-11-30 | 2022-05-06 | 贵州电网有限责任公司 | Assembly type strain insulator string reloading tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004372U (en) * | 2011-01-25 | 2011-10-05 | 福建省电力有限公司三明电业局 | Tool for live-line replacing large disc diameter and deadweight dead end insulator string |
| JP2014193068A (en) * | 2013-03-28 | 2014-10-06 | Chugoku Electric Power Co Inc:The | Insulator string shape holder, mounting method of tension insulator using the same, and handling method of tension insulator |
| CN203983865U (en) * | 2014-08-07 | 2014-12-03 | 国家电网公司 | Charged for replacement 110kV pre-twisted line hardware strain insulator jig |
| CN104242153A (en) * | 2014-09-29 | 2014-12-24 | 国家电网公司 | Construction technology for replacing monolithic 550kN glass insulators of strain towers of extra-high voltage direct-current transmission lines |
| CN104253394A (en) * | 2013-09-05 | 2014-12-31 | 国家电网公司 | Tension insulator string replacement tool |
-
2015
- 2015-09-07 CN CN201510560707.2A patent/CN105119193B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004372U (en) * | 2011-01-25 | 2011-10-05 | 福建省电力有限公司三明电业局 | Tool for live-line replacing large disc diameter and deadweight dead end insulator string |
| JP2014193068A (en) * | 2013-03-28 | 2014-10-06 | Chugoku Electric Power Co Inc:The | Insulator string shape holder, mounting method of tension insulator using the same, and handling method of tension insulator |
| CN104253394A (en) * | 2013-09-05 | 2014-12-31 | 国家电网公司 | Tension insulator string replacement tool |
| CN203983865U (en) * | 2014-08-07 | 2014-12-03 | 国家电网公司 | Charged for replacement 110kV pre-twisted line hardware strain insulator jig |
| CN104242153A (en) * | 2014-09-29 | 2014-12-24 | 国家电网公司 | Construction technology for replacing monolithic 550kN glass insulators of strain towers of extra-high voltage direct-current transmission lines |
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| CN105119193B (en) | 2017-12-01 |
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