CN104113013A - Special rope saw for wire foreign matter treatment - Google Patents
Special rope saw for wire foreign matter treatment Download PDFInfo
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- CN104113013A CN104113013A CN201410363211.1A CN201410363211A CN104113013A CN 104113013 A CN104113013 A CN 104113013A CN 201410363211 A CN201410363211 A CN 201410363211A CN 104113013 A CN104113013 A CN 104113013A
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- rope saw
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Abstract
The invention relates to a special rope saw for wire foreign matter treatment and belongs to the field of line overhaul devices. The special rope saw is suitable for wire foreign matter treatment in power transmission line overhaul live working. The special rope saw comprises a rope saw body (2), connecting rings (1) are fixed at two ends of the rope saw body (2), two ends of a lengthened rope (3) are detachably connected to the connecting rings (1), and the rope saw body (2) is composed of an insulating rope (201) at the center, an inner rope sleeve (202) wrapping the outer portion of the insulating rope (201), an outer rope sleeve (203) wrapping the outer portion of the inner rope sleeve (202), a bearing (204) sleeving the outer portion of the outer rope sleeve (203) and a saw blade (205) embedded in the outer portion of the bearing. The special rope saw improves wire foreign matter treatment speed in power transmission line overhaul live working, is convenient to operate and greatly reduces workload and burden of workers.
Description
Technical field
The present invention relates to a kind of wire foreign matter and process special-purpose rope saw, be applicable to the wire foreign matter processing in power transmission lines overhauling live line working, belong to line maintenance device field.
Background technology
For overhead transmission line, need to carry out periodical inspection maintenance, in external environment condition, often there are the foreign matters such as some such as kite string, Polypropylence Sheet, woollen goods rope, oilpaper rope, fire balloons waft on shaft tower or wire and enwind shaft tower or wire.The transmission line of different electric pressures has different requirements for safe distance, guarantee wire and ground wire relatively, wire and shaft tower relatively, safe distance that wire maintenance alternate with wire is enough, cause single-phase short circuit or phase fault to cause line tripping in order to avoid the high-tension electricity in circuit punctures air gap, guarantee that power system security and social electricity consumption are reliable.And be hanging to foreign matter on wire exactly likely air gap or insulator part short circuit, and make safe distance inadequate, there is electric discharge dangerous.So maintainer should process wire foreign matter defect problem as soon as possible after operations staff finds foreign matter defect, get rid of circuit hidden danger.
Most important one of three basic demands of power system operation will ensure the reliability of powering exactly.Because power industry is closely connected with all trades and professions, the interruption of power supply will cause the pause of production and the destruction of people's lives order, even causes the damage of the person and equipment, and therefore, electric power system should ensure user continuously to power as far as possible.Weigh power supply reliability index, the percentage that generally accounts for annual time 8760h with the average power-on time of whole users recently represents.The every annual of for example user has a power failure and comprises that accident and maintenance interruption duration are 17.52h, and interruption duration accounts for 0.2% of the whole year, and power supply reliability is 99.8%.
Accident maintenance is to reply as early as possible for the circuit that makes forced shutdown or likely cause at any time accident to occur the repairing repair work that normal operation is carried out, and belongs to non-plan repair work.Finding can just become a kind of desirable defect elimination mode by service without power-off after defect.As run into wire road foreign matter problem, and being treated to example with 220KV line conductor foreign matter, service work is generally to remove by live line working.Conventional operating process is, live line working personnel climb up shaft tower and enter equal potential working under ground staff's cooperation, relies on driving to wire or climbs to wire along the rope ladder hanging up properly and carry out foreign matter processing from cross-arm outlet.The workload of Equipotential live working is huge, dispose and to implement spended time long, need to expend a large amount of muscle power for the personnel that assist under operation on tower and tower, is unfavorable for effectively carrying out fast of defect processing.
Summary of the invention
According to above the deficiencies in the prior art, the object of the invention is to: provide a kind of wire foreign matter to process special-purpose rope saw, improved the wire foreign matter processing speed in power transmission lines overhauling live line working, easy to operate, greatly reduce workload, alleviate staff's burden.
Wire foreign matter of the present invention is processed special-purpose rope saw, comprise rope saw body, rope saw body two ends are fixed with connecting ring, one extends rope, and two ends are dismountable is connected on connecting ring, and rope saw body is made up of the insulating cord at center, the interior rope sling that is wrapped in insulating cord outside, the outer rope sling that is wrapped in interior rope sling outside, the saw cutter that is sleeved on the bearing of outer rope sling outside and is embedded in bearing outside.
Rope saw body is ridden on wire, restrict in the rubbing back and forth of ground control line saw body by prolongation, by rope saw body repeatedly burr the foreign matter file on wire is broken and is disposed, do not need to wire, to process under personnel, greatly improve defect elimination speed, alleviate staff's burden, improved fail safe simultaneously.Described rope sling appearance surface cover has bearing and is embedded in the saw cutter of bearing outside, foreign bodies removal is mainly frustrated back and forth by saw cutter, bearing and saw cutter use duroplasts, pottery or insulation carbon fibre material optional, can determine different saw cutter type and specification according to concrete wire foreign matter situation.
Described rope saw body length is 1000mm, there is bearing and the saw cutter of insulating material on the surface of the outer rope sling of rope saw, due to rope saw meeting vertical expansion in rise process, in the time running into the wire of upper and lower vertical arrangement, if rope saw is long, can make air single gap or combinational gap between lower wire excessively shorten, may cause phase spacing to cause not short-circuit conditions; If rope saw is too short, in burr foreign matter process back and forth, very possible underground personnel pull up and down in the process that extends rope rope saw are dragged from wire, and operation needs again to delay a part allows time of rope saw reset, is therefore provided with rational rope saw body length.
Described interior rope sling and insulating cord bonding are fixing, and it is sticky that interior rope sling outer surface and outer rope sling inner surface are respectively equipped with plastics hair, and outer rope sling and interior rope sling are by the sticky adhesion of plastics hair.
Described connecting ring diameter of section is greater than rope saw body diameter.
When use, stepping on bar personnel carries and extends rope and carry out earth potential live operation after climbing up shaft tower, take on certain phase conductor of foreign matter extending rope, the other end is controlled by ground staff, by extend rope self gravity and shaft tower on personnel with the assistance of insulating bar allow extend restrict free end along lower to ground, ground staff controls.Rope saw body is connected to and is extended on rope by the connecting ring at two ends, be connected into continuous rope mechanism, ground staff extends rope by control rope saw is risen to and contacted with foreign matter closely, pulls up and down prolongation rope to file foreign matter, foreign matter is rubbed or taken away wire, reach the function of getting rid of foreign matter.
Compared with prior art, the beneficial effect that the present invention has is:
1) use special-purpose rope saw to process wire foreign matter, avoided carrying out the Equipotential live working operation by rope ladder or driving, optimized workflow, convenient operation, has improved defect elimination speed, has reduced workload, for upkeep operation provides great convenience;
2) between the each member of rope saw, connect reliably easy accessibility;
3) bearing and saw cutter use duroplasts or carbon fibre material, prevent from getting rid of the aluminium oxide layers or the zinc coat that in foreign matter process, destroy conductive line surfaces, guarantee that sectional area of wire and intensity meet code regulation, avoid producing wire and cause wearing and tearing, corner angle, burr with hard thing friction, not because the safe operation of maintenance line influence circuit;
4) bearing and saw cutter are determined type and specification according to different foreign matters, carry out specific aim processing for different foreign matters, have improved the efficiency of upkeep operation, and have facilitated the mechanization production that puts into operation;
5) the trunk portion insulating cord of rope saw adopts the insulating cord that diameter is 20mm, ensure the requirement of transmission line safe distance and insulation, the circular configuration force of rolling friction of rope saw is little, and rope being sawed to position after having facilitated ground staff that rope saw is risen on wire carries out trickle adjustment;
6) Design of length of rope saw taken into full account overhead transmission line safe distance requirement, use in rope sling process, gap and combinational gap meet the demands.The sectional area of rope saw, according to wire thickness and frictional force design, has been taken into account the installation of rope sling, is conducive to standardized production.
7) this patent is to be treated to example design with wire foreign matter, is also applicable to the situation of overhead ground wire foreign matter processing.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is rope saw body insulating cord, interior rope sling and outer rope sling schematic cross-section;
Fig. 3 is work schematic diagram of the present invention;
Fig. 4 is A place enlarged drawing in Fig. 3;
Fig. 5 is that the present invention uses flow chart.
In figure: 1, connecting ring; 2, rope saw body; 3, extend rope; 4, shaft tower; 5, wire; 6, foreign matter place; 7, downward direction; 8, upward direction; 9, horizontal direction; 10, direction of transfer; 11, pull direction; 12, servo-actuated direction; 201, insulating cord; 202, interior rope sling; 203, outer rope sling; 204, bearing; 205, saw cutter.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described further.
As shown in Fig. 1～2, this wire foreign matter is processed special-purpose rope saw, comprise rope saw body 2, rope saw body 2 two ends are fixed with connecting ring 1, one extends rope 3 two ends fastens on connecting ring 1, rope saw body 2 length are 1000mm, rope saw body 2 is by the insulating cord 201 at center, be wrapped in the interior rope sling 202 of insulating cord 201 outsides, be wrapped in the outer rope sling 203 of interior rope sling 202 outsides, the saw cutter 205 that is sleeved on the bearing 204 of outer rope sling 203 outsides and is embedded in bearing outside forms, insulating cord 201 is the trunk portion of rope saw, adopt insulation material, rope diameter is 20mm, if diameter is excessive, the saw body 2 that can make to restrict increases with wire contact-making surface, increase frictional force, the motion of saw body 2 is unfavorable for restricting, if diameter is too small, the inconvenient interior design of rope sling 202 and the installation of outer rope sling 203, the fixing adhesion of interior rope sling 202 inner surfaces and insulating cord 201, outer surface is that plastics hair is sticky, is used for and the inner surface phase adhesion of outer rope sling 203, adhesion thickness is about 2mm, outer rope sling 203 inner surfaces are that plastics hair is sticky, outer rope sling 203 outer surface bearing sets 204, and the outside inlaying saw cutter 205 of bearing 204, bearing 204 and saw cutter 205 are used for frustrating disconnected foreign matter.Outer rope sling 203 is with interior rope sling 202 by the sticky adhesion of plastics hair, and outer rope sling 203 can take off, and can determine different bearings and saw cutter type and specification according to concrete wire foreign matter situation.
Connecting ring 1 is insulation material, and natural length is 80mm, is designed to ring type structure and is convenient to colligation prolongation rope.Connecting ring 1 diameter of section is greater than rope saw body 2 diameters, will become like this shelves head of rope saw body 2 in the process moving back and forth, and can prevent from crossing ambassador's saw body 2 of restricting and departing from wire 5 due to the move distance that overexerts.
Extend rope and is adopted as insulation material, diameter is 14mm, and the design of thinner prolongation rope sectional area is convenient to step on bar personnel and is carried and facilitate ground staff to control, and can be according to line-to-ground apart from selecting different length.
The course of work:
As Fig. 3, shown in 4, when use, step on bar personnel and carry and extend rope 3 and carry out earth potential live operation after climbing up shaft tower 4, take on certain phase conductor of foreign matter extending rope 3, the other end is controlled by ground staff, rope saw body 2 is connected to and is extended on rope 3 by the connecting ring 1 at two ends, be connected into continuous rope mechanism, ground staff extends rope 3 by control makes to restrict saw body 2 at the foreign matter place 6 of wire 5 burr repeatedly, foreign matter is rubbed or taken away wire, reach the function of getting rid of foreign matter.
As shown in Figure 5 a, take on certain phase conductor 5 of foreign matter extending rope 3 a section, under himself Action of Gravity Field, move along downward direction 7 in one end, and the other end moves along upward direction 8;
As shown in Figure 5 b, after prolongation rope 3 moves into place, ground staff controls the prolongation rope 3 being suspended on wire 5;
As shown in Figure 5 c, ground staff controls and moves to foreign matter place 6 by being suspended to prolongation on wire 53 along continuous straight runs 9 of restricting;
As shown in Fig. 5 d, by rope saw body 2 with extend rope 3 and be connected into continuous rope structure, then ground staff extends to restrict by controls and 3 moves along direction of transfer 10, and the saw body 2 of restricting is risen to and contacted with foreign matter closely;
As shown in Fig. 5 e, after moving rope saw body 2 to foreign matter place 6, what ground staff restricted by prolongation moves along pulling direction 11, and rope saw body 2 moves along servo-actuated direction 12, and rope saw body 2 completes the file processing to foreign matter.
Claims (4)
1. a wire foreign matter is processed special-purpose rope saw, it is characterized in that: comprise rope saw body (2), rope saw body (2) two ends are fixed with connecting ring (1), one prolongation is restricted, and (3) two ends are dismountable to be connected on connecting ring (1), rope saw body (2) is by the insulating cord (201) at center, be wrapped in the outside interior rope sling (202) of insulating cord (201), be wrapped in the outside outer rope sling (203) of interior rope sling (202), be sleeved on the outside bearing (204) of outer rope sling (203) and be embedded in saw cutter (205) composition of bearing outside.
2. wire foreign matter according to claim 1 is processed special-purpose rope saw, it is characterized in that: described rope saw body (2) length is 1000mm.
3. wire foreign matter according to claim 2 is processed special-purpose rope saw, it is characterized in that: described interior rope sling (202) is fixing with insulating cord (201) bonding, it is sticky that interior rope sling (202) outer surface and outer rope sling (203) inner surface are respectively equipped with plastics hair, and outer rope sling (203) glues adhesion with interior rope sling (202) by plastics hair.
4. process special-purpose rope saw according to the arbitrary described wire foreign matter of claim 1～3, it is characterized in that: described connecting ring (1) diameter of section is greater than rope saw body (2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363211.1A CN104113013B (en) | 2014-07-28 | 2014-07-28 | Special rope saw for wire foreign matter treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363211.1A CN104113013B (en) | 2014-07-28 | 2014-07-28 | Special rope saw for wire foreign matter treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104113013A true CN104113013A (en) | 2014-10-22 |
| CN104113013B CN104113013B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363211.1A Active CN104113013B (en) | 2014-07-28 | 2014-07-28 | Special rope saw for wire foreign matter treatment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931616A2 (en) * | 1998-01-27 | 1999-07-28 | Büdiam Diamantwerkzeuge R. u. N. Büttner GmbH | Saw wire with cutting elements having a differentiated outer contour |
| CN202292918U (en) * | 2011-10-17 | 2012-07-04 | 钟欣琰 | Rope-shaped saw |
| CN202633825U (en) * | 2012-05-30 | 2012-12-26 | 招远市东晟橡胶制品有限公司 | Efficient foreign body clearer for line |
| CN202749749U (en) * | 2012-08-21 | 2013-02-20 | 谢诤让 | Foreign-matter cleaning belt for power transmission line |
-
2014
- 2014-07-28 CN CN201410363211.1A patent/CN104113013B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931616A2 (en) * | 1998-01-27 | 1999-07-28 | Büdiam Diamantwerkzeuge R. u. N. Büttner GmbH | Saw wire with cutting elements having a differentiated outer contour |
| CN202292918U (en) * | 2011-10-17 | 2012-07-04 | 钟欣琰 | Rope-shaped saw |
| CN202633825U (en) * | 2012-05-30 | 2012-12-26 | 招远市东晟橡胶制品有限公司 | Efficient foreign body clearer for line |
| CN202749749U (en) * | 2012-08-21 | 2013-02-20 | 谢诤让 | Foreign-matter cleaning belt for power transmission line |
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| Publication number | Publication date |
|---|---|
| CN104113013B (en) | 2017-01-11 |
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