CN204030427U - Wire foreign matter process special-purpose rope is sawed - Google Patents
Wire foreign matter process special-purpose rope is sawed Download PDFInfo
- Publication number
- CN204030427U CN204030427U CN201420419850.0U CN201420419850U CN204030427U CN 204030427 U CN204030427 U CN 204030427U CN 201420419850 U CN201420419850 U CN 201420419850U CN 204030427 U CN204030427 U CN 204030427U
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- Prior art keywords
- rope
- foreign matter
- wire
- rope saw
- sling
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- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model relates to a kind of wire foreign matter process special-purpose rope saw, be applicable to the wire foreign matter process in power transmission lines overhauling live line working, 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 outer rope sling that is wrapped in rope sling in insulating cord outside and is wrapped in interior rope sling outside.The utility model improves the wire foreign matter processing speed in power transmission lines overhauling live line working, easy to operate, greatly reduces workload, alleviates staff's burden.
Description
Technical field
The utility model relates to a kind of wire foreign matter process special-purpose rope saw, is applicable to the wire foreign matter process in power transmission lines overhauling live line working, belongs to line maintenance device field.
Background technology
For overhead transmission line, need to carry out periodical inspection maintenance, often have the foreign matters such as some such as kite string, Polypropylence Sheet, woollen goods rope, oilpaper rope, fire balloons to waft on shaft tower or wire in external environment condition and enwind shaft tower or wire.The transmission line of different electric pressure 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 power system security and social electricity consumption reliable.And the foreign matter be hanging on wire is exactly likely air gap or insulator portion short circuit, makes safe distance inadequate, electric discharge occurs 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.
Power system operation three basic demands most important one to ensure exactly power reliability.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, and even cause the damage of the person and equipment, therefore, electric power system should ensure continuously to power to user as far as possible.Weigh power supply reliability index, the percentage generally accounting for annual time 8760h with the average power-on time of whole user represents.The every annual power failure of such as user comprises accident and maintenance interruption duration is 17.52h, then interruption duration accounts for annual 0.2%, and namely power supply reliability is 99.8%.
Accident maintenance is for making forced shutdown or the circuit that likely causes accident to occur at any time reply the combat resilience repair work normally run and carry out as early as possible, belonging to non-plan repair work.A kind of desirable defect elimination mode can be just become by service without power-off after finding defect.As run into wire road foreign matter problem, be treated to example with 220KV line conductor foreign matter, service work is generally remove by live line working.Conventional operating process is that live line working personnel climb up shaft tower and enter equal potential working under the cooperation of ground staff, to rely on driving to wire or climbs to wire along the rope ladder hung up properly carry out foreign matter process from cross-arm outlet.The workload of Equipotential live working is huge, dispose and to implement spended time long, the personnel assisted needed to the muscle power of at substantial, be unfavorable for that the quick of defect processing effectively carries out under operation on tower and tower.
Summary of the invention
According to above the deficiencies in the prior art, the purpose of this utility model is: provide a kind of wire foreign matter process special-purpose rope to saw, improve 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 process special-purpose rope saw described in the utility model, 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 outer rope sling that is wrapped in rope sling in insulating cord outside and is wrapped in interior rope sling outside.
Rope saw body is ridden on wire, by extending rope in the rubbing back and forth of ground control line saw body, by rope saw body repeatedly burr by wire foreign matter file break and dispose, the enterprising row relax of wire is arrived under not needing personnel, substantially increase defect elimination speed, alleviate staff's burden, improve fail safe simultaneously.
Described outer rope sling outer surface is provided with file silk, file silk be used for frustrating disconnected foreign matter, file silk use fine and closely woven duroplasts or insulative carbon fiber material optional, different file silk types and specification can be determined according to concrete wire foreign matter situation.
Described rope saw body length is 1000mm, and rope saw surface has fine and closely woven insulating material to file silk, but the insulation property of rope saw itself likely can be affected.Due to rope saw meeting vertical expansion in rise process, when running into the wire of upper and lower vertical arrangement, if rope saw is long, the air single gap between lower wire or combinational gap can be made excessively to shorten, phase spacing may be caused to cause short-circuit conditions not; If rope saw is too short, in burr foreign matter process back and forth, very possible underground population pulls up and down and drags from wire by rope saw in the process extending rope, and operation needs again to delay the time that a part allows rope saw reset, and is therefore provided with saw body length of reasonably restricting.
Described interior rope sling and insulating cord bond fixing, and interior rope sling outer surface and outer rope sling inner surface are respectively equipped with plastics hair and glue, and outer rope sling and interior rope sling are by the adhesion of plastics hair.
Described connecting ring diameter of section is greater than rope saw body diameter.
During use, step on bar personnel carry extend rope climb up shaft tower after carry out earth potential live operation, prolongation rope is taken on certain phase conductor of foreign matter, the other end is controlled by ground staff, assistance by extending personnel's insulating bar on self gravity of rope and shaft tower allow extend rope free end along lower to ground, ground staff controls.Rope saw body is connected to by the connecting ring at two ends and extends on rope, be connected into continuous rope mechanism, ground staff extends rope by control and rope saw is risen to abnormal contact tight, pulls prolongation rope to carry out file to foreign matter up and down and moves, foreign matter rubbed or takes away wire, reaching the function getting rid of foreign matter.
Compared with prior art, the beneficial effect that the utility model has is:
1) use special-purpose rope saw process wire foreign matter, avoid the Equipotential live working operation carried out by rope ladder or driving, optimize workflow, convenient operation, improve defect elimination speed, decrease workload, for upkeep operation provides great convenience;
2) connect reliably between each component of rope saw, easy accessibility;
3) file silk use fine and closely woven duroplasts or carbon fibre material optional, prevent from getting rid of the aluminium oxide layers or the zinc coat that destroy conductive line surfaces in foreign matter process, guarantee that conductor cross-section sum intensity meets regulations stipulate, avoid producing wire and hard object friction cause wear and tear, corner angle, burr, not because of the safe operation of overhauling circuit effect string road;
4) file silk according to different foreign matter determination types and specification, specific aim process is carried out for different foreign matters, improves the efficiency of upkeep operation, and facilitate mechanization and to put into operation production;
5) the trunk portion insulating cord of rope saw adopts diameter to be the insulating cord of 20mm, ensure that the requirement of transmission line safe distance and insulation, rope saw circular configuration force of rolling friction little, facilitate ground staff rope saw is risen to after on wire to rope saw position carry 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, has been conducive to standardized production.
7) this patent is treated to example design with wire foreign matter, is also applicable to the situation of overhead ground wire foreign matter process.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is rope saw body schematic cross-section;
Fig. 3 is utility model works schematic diagram;
Fig. 4 is A place enlarged drawing in Fig. 3;
Fig. 5 is that the utility model uses flow chart.
In figure: 1, connecting ring; 2, rope saw body; 3, rope is extended; 4, shaft tower; 5, wire; 6, foreign matter place; 7, in downward direction; 8, upward direction; 9, horizontal direction; 10, direction of transfer; 11, direction is pulled; 12, servo-actuated direction; 201, insulating cord; 202, interior rope sling; 203, outer rope sling.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Fig. 1 ~ 2, this wire foreign matter process special-purpose rope is sawed, 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 is 1000mm, rope saw body 2 is by the insulating cord 201 at center, the interior rope sling 202 being wrapped in insulating cord 201 outside and the outer rope sling 203 being wrapped in interior rope sling 202 outside form, insulating cord 201 is the trunk portion of rope saw, adopt isolation material, rope diameter is 20mm, if diameter is excessive, rope saw body 2 and conductor contact surface can be made to increase, increase frictional force, be unfavorable for the motion of rope saw body 2, if diameter is too small, the design of rope sling 202 and the installation of outer rope sling 203 in inconvenient, interior rope sling 202 inner surface and insulating cord 201 fix adhesion, and outer surface is that plastics hair glues, and be used for and the inner surface phase adhesion of outer rope sling 203, adhesion thickness is about 2mm, outer rope sling 203 inner surface is that plastics hair glues, and outer surface is file silk in small, broken bits, and file silk is used for frustrating disconnected foreign matter.Outer rope sling 203 is with interior rope sling 202 by the adhesion of plastics hair, and outer rope sling 203 can take off, and can determine different file silk types and specification according to concrete wire foreign matter situation, and length and the fine and closely woven degree of file silk are optional, and adhesion thickness is about 4mm.
Connecting ring 1 is isolation material, and natural length is 80mm, is designed to ring structures and is convenient to colligation prolongation rope.Connecting ring 1 diameter of section is greater than rope saw body 2 diameter, will become the shelves head of rope saw body 2 like this in the process moved back and forth, and can prevent crossing ambassador's saw body 2 of restricting due to the move distance that overexerts and depart from wire 5.
Extend rope and be adopted as isolation material, diameter is 14mm, and thinner prolongation rope sectional area design is convenient to step on bar personnel and is carried and facilitate ground staff to control, and can select different length according to line-to-ground distance.
The course of work:
As Fig. 3, shown in 4, during use, step on bar personnel carry extend rope 3 climb up shaft tower 4 after carry out earth potential live operation, by prolongation rope 3 take on certain phase conductor of foreign matter, the other end is controlled by ground staff, be connected to by the connecting ring 1 at two ends by rope saw body 2 and extend on rope 3, be connected into continuous rope mechanism, ground staff makes rope saw body 2 at foreign matter place 6 burr repeatedly of wire 5 by controlling to extend rope 3, foreign matter rubbed or takes away wire, reaching the function getting rid of foreign matter.
As shown in Figure 5 a, take on certain phase conductor 5 of foreign matter by one section that extends rope 3, under himself Action of Gravity Field, one end is along in downward direction 7 moving, and the other end is 8 motions in upward direction;
As shown in Figure 5 b, after prolongation rope 3 moves into place, ground staff controls the prolongation rope 3 be suspended on wire 5;
As shown in Figure 5 c, ground staff controls the prolongation rope 3 be suspended on wire 59 to move to foreign matter place 6 in the horizontal direction;
As fig 5d, rope saw body 2 and prolongation rope 3 are connected into continuous rope structure, then ground staff is by controlling to extend rope 3 along direction of transfer 10 action, and rope saw body 2 is risen to abnormal contact tight;
As depicted in fig. 5e, after moving rope saw body 2 to foreign matter place 6, ground staff is by extending moving along pulling direction 11 of rope, and rope saw body 2 moves along servo-actuated direction 12, and rope saw body 2 completes the file process to foreign matter.
Claims (5)
1. a wire foreign matter process 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 extends rope, and (3) two ends are dismountable is connected on connecting ring (1), rope saw body (2) by center insulating cord (201), be wrapped in the outside interior rope sling (202) of insulating cord (201) and the outer rope sling (203) that is wrapped in interior rope sling (202) outside forms.
2. wire foreign matter process special-purpose rope saw according to claim 1, is characterized in that: described outer rope sling (203) outer surface is provided with file silk.
3. wire foreign matter process special-purpose rope saw according to claim 2, is characterized in that: described rope saw body (2) length is 1000mm.
4. wire foreign matter process special-purpose rope saw according to claim 3, it is characterized in that: described interior rope sling (202) and insulating cord (201) bond fixing, interior rope sling (202) outer surface and outer rope sling (203) inner surface are respectively equipped with plastics hair and glue, and outer rope sling (203) and interior rope sling (202) are by the adhesion of plastics hair.
5., according to the arbitrary described wire foreign matter process special-purpose rope saw of Claims 1 to 4, 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 |
|---|---|---|---|
| CN201420419850.0U CN204030427U (en) | 2014-07-28 | 2014-07-28 | Wire foreign matter process special-purpose rope is sawed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419850.0U CN204030427U (en) | 2014-07-28 | 2014-07-28 | Wire foreign matter process special-purpose rope is sawed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030427U true CN204030427U (en) | 2014-12-17 |
Family
ID=52070256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419850.0U Expired - Fee Related CN204030427U (en) | 2014-07-28 | 2014-07-28 | Wire foreign matter process special-purpose rope is sawed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030427U (en) |
-
2014
- 2014-07-28 CN CN201420419850.0U patent/CN204030427U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 |