CN103441443A - Overhead ground wire damper positioning recovering device - Google Patents
Overhead ground wire damper positioning recovering device Download PDFInfo
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- CN103441443A CN103441443A CN2013102981680A CN201310298168A CN103441443A CN 103441443 A CN103441443 A CN 103441443A CN 2013102981680 A CN2013102981680 A CN 2013102981680A CN 201310298168 A CN201310298168 A CN 201310298168A CN 103441443 A CN103441443 A CN 103441443A
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- ground wire
- overhead ground
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- clamping plate
- side clamping
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Abstract
The invention discloses an overhead ground wire damper positioning recovering device which comprises two side clamping plates made of insulation materials and arranged in an opposite mode. Two pulleys used for spanning an overhead ground wire are arranged on the upper portions of the two side clamping plates, and hanging holes used for hooking insulation ropes are formed in the lower portions of the two side clamping plates. The overhead ground wire damper positioning recovering device further comprises a pushing device. The pushing device comprises a connection plate fixedly clamped between the two side clamping plates, one end, opposite to the pulleys, of the connection plate extends out of the side clamping plates, the two sides of the connection plate are respectively provided with a side pushing plate used for pushing a damper and being connected with clamps of the overhead ground wire, the connection lines of the lower edge of the connection plate and bottom grooves on the lower edges of the two pulleys are located on the same horizontal line, and the side pushing plates correspond to the clamps in width. The overhead ground wire damper positioning recovering device has the advantages of being simple in construction, reasonable in structure, small in size, light in weight, easy and convenient to use, convenient to carry, firm, durable, good in generality, and the like.
Description
Technical field
The present invention relates to a kind of electric power tool, a kind ofly specifically for stockbridge damper on overhead ground wire, recover instrument.
Background technology
Overhead ground wire also claims overhead ground wire, is the earthing conductor be erected on the horizontal direction of high-voltage power line conductive line top, and its Main Function is to prevent from being struck by lightning aerial condutor and reduce Lightning Over-voltage.Overhead ground wire is erected on the shaft tower in tens meters, field for a long time, and the impact of wind-engaging makes overhead ground wire produce vibration, and judder will cause the fatigue rupture of overhead ground wire material (steel strand wire) for a long time, causes disconnected strand of overhead grounding wire, broken string.In order to prevent or to alleviate overhead ground wire vibration and harm thereof, common method is, outside the ground wire hitch point, stockbridge damper is installed.Leave a certain distance of wire clamp (within first half-wavelength of all vibration waves of hitch point) on overhead ground wire, a certain number of stockbridge damper is installed.When quality and the number of stockbridge damper, select appropriately, installation site is correct, and the amplitude of ground wire significantly reduces, and can reduce amplitude to 0.1～0.2mm, makes overhead ground wire dangerous without disconnected strand.
Stockbridge damper on overhead ground wire due to originally when mounted bolt do not tighten or be in operation and be subject to the impact of field natural environment, there will be the phenomenon that departs from installation site, be commonly called as " positioning ".As recovered not in time, stockbridge damper does not just have antihunt action, sometimes also can play reaction, may aggravate the overhead ground wire vibration, is threatening the safe operation of electrical network constantly.Just need to hanging ladder operation on overhead ground wire in order to recover stockbridge damper, regulation in " electrical safe working order " still: " on the ground wire of span continuously, during hanging ladder work, the cross section of its ground wire must not be less than: 50mm
2(steel strand wire)." and in the 35KV-110KV transmission line of this work area administration operation, the overhead ground wire cross section of 69 to be arranged be 35mm
2, all can not the hanging ladder operation while processing the stockbridge damper far away of positioning on these overhead ground wires.
The operational method that take at present in this work area at present is:
1, to traffic department's contact, have a power failure, after having a power failure, operating personnel's loose unloading overhead ground wire from shaft tower lands;
2, then operating personnel (10 people) disassembles the stockbridge damper of positioning from the overhead ground wire fallen, and installs back original fixed position;
3, finally overhead ground wire is mounted back on shaft tower again, the backward traffic department of having worked reports and recovers power transmission.
This operational method on average has a power failure 2 hours used times.If crossing over power line, highway, railway etc. below circuit, this operational method also will be subject to more restrictions.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of convenient and safe overhead ground wire stockbridge damper positioning and recover device.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Device is recovered in the positioning of overhead ground wire stockbridge damper, the side clamping plate that comprise two insulation materials that are oppositely arranged, clamping plate top, both sides arranges two for crossing over the pulley of overhead ground wire, the bottom of both sides clamping plate is provided for the hanging hole of hook insulating cord, also comprise thrust unit, described thrust unit comprises the yoke plate fixed to clamp between the clamping plate of both sides, one end of the relative pulley of yoke plate stretches out the outside of side clamping plate, the both sides of yoke plate respectively arrange the thruster plate of a clip for the connection overhead ground wire that promotes stockbridge damper, the kerve line of the lower limb of described yoke plate and two pulley lower edges is positioned at the same level line, the width of thruster plate is corresponding with the width of clip.
Further improvement of the present invention is: the corresponding thrust unit of described two side clamping plate is provided with elongated bars, described elongated bars comprises two smooth lengthened plates that connect as one with the side clamping plate that take turns the setting of line stretcher direction, the width of lengthened plate is corresponding with the width of thruster plate, yoke plate is fixed between two lengthened plates, and the end of two lengthened plates contacts with the thruster plate.
Further improvement of the present invention is: described hanging hole is for comprising a lateral aperture, and the central vertical of lateral aperture is communicated with a upright opening.
Further improvement of the present invention is: the main body of described side clamping plate is square, and side clamping plate top arranges two semicircular mounting ears, and the center of mounting ear wears the wheel shaft for fixed block.
Further improvement of the present invention is: the material of described side clamping plate is epoxy resin.
Owing to having adopted technique scheme, the technological progress that the present invention obtains is:
Designer of the present invention reaches a conclusion after the stockbridge damper of positioning is researched and analysed: since stockbridge damper can be along the own positioning of overhead ground wire, that explanation stockbridge damper can be movable on overhead ground wire.Clamp overhead ground wire according to two side clamping plate of this point design, by pulley and thrust unit acting in conjunction, can in the situation that circuit do not have a power failure, simple and easy to do, recover positioning stockbridge damper far away on overhead ground wire safely and efficiently.Two pulleys are set and not only make whole device easily slide, and avoided the wearing and tearing to zinc coat on overhead ground wire.Recover device when to returning back to top, pushing away stockbridge damper, if pass to the thrust deviation of stockbridge damper, will increase the frictional force of stockbridge damper and overhead ground wire, likely make stockbridge damper not slide on overhead ground wire, can not push up the vibration hammer that goes back on defense.Especially serious in the overhead ground wire corrosion, in the situation that mantle friction is strengthened, this phenomenon most possibly occurs.The present invention is according to the shape of stockbridge damper, end at the side clamping plate arranges thrust unit, the yoke plate of thrust unit is corresponding with the length of stockbridge damper one side, and the width of thruster plate is corresponding with the width of the clip of stockbridge damper, make before it to correct the position of the clamping plate card overhead ground wire that withstands on stockbridge damper, so can guarantee whole device impose on stockbridge damper to the thrust returned back to top along the slip of overhead ground wire direction, be convenient to promote stockbridge damper, not there will be inclination and be stuck in the phenomenon on overhead ground wire.The lower edge of yoke plate is positioned at the same level line with the pulley kerve, guarantees whole device smooth and easy sliding on overhead ground wire.
The present invention, according to the special construction design elongated bars of stockbridge damper, can effectively reach the purpose that promotes stockbridge damper, makes stockbridge damper oneself move playback along overhead ground wire.
The present invention designs mutually perpendicular lateral aperture and upright opening, can conveniently at both direction, pull whole device.
The advantages such as the present invention uses epoxide resin material to make, and epoxy resin has weight light (weight be about iron 1/3rd), is convenient to processing, tensile strength is high, corrosion-resistant, the weight of whole device is only 1 kilogram.
When the present invention uses, the staff pulls insulating cord on ground by control, makes whole device slide into assigned address.According to mechanics principle, the staff pulls while hanging over the insulating cord of recovering on device, pulls the power of insulating cord, decomposite a horizontal force, this horizontal force action on recovering device the time, is recovered device and just can be imposed on thrust slid back of stockbridge damper, and stockbridge damper is slided along overhead ground wire.And insulating cord can be adjusted arbitrarily length with convenient working according to height and the geographical environment of shaft tower.Preferably, the present invention can adopt insulation silk rope as the insulating cord (the insulation ropes discharge voltage of 1 meter long drying reaches 340KV) that pulls use, so just can be in the situation that the charged stockbridge damper of recovering positioning of circuit, the loss of having avoided line outage to bring to my company.
After the present invention completes, on the quickening circuit in this work area, according to the tightness of stockbridge damper fastening bolt, done test of many times, test effect is very desirable.The charged use of five place's stockbridge damper positioning defects of finding in 2005～2008 years, all recover the stockbridge damper of positioning smoothly, average operation number 3 people, average 35 minutes used times.
The present invention has not only solved that the equipment that former method of work brings has a power failure, operation is loaded down with trivial details, longevity of service, operating personnel are many, workload is large, across many problems of bringing potential safety hazard to the operating personnel such as power circuit power failures, and the time of recovering that makes the stockbridge damper positioning shifts to an earlier date (after the track walker finds to report work area to greatest extent, electric treatment is with in the work area person of sending someone going immediately), the potential safety hazard of having avoided the positioning stockbridge damper longer time to bring to circuit.
The present invention can calculate with average interruption duration in the situation that the charged operation of circuit has avoided the interruption maintenance operation to cause economic loss to company in 2 hours, and every subjob can be approximately 3.5 ten thousand yuan of company's wound effects.
The characteristics such as to sum up, the present invention has simple structure, rational in infrastructure, volume is little, lightweight, easy to use, easy to carry, sturdy and durable, versatility is good.
The accompanying drawing explanation
Fig. 1 is structure of the present invention and uses schematic diagram;
Fig. 2 is vertical view of the present invention in Fig. 1.
Wherein, 1, the side clamping plate, 2, mounting ear, 3, lengthened plate, 4, pulley, 5, hanging hole, 6, yoke plate, 7, the thruster plate, 8, stockbridge damper, 9, clip, 10, overhead ground wire.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details:
Device is recovered in the positioning of overhead ground wire stockbridge damper, as depicted in figs. 1 and 2, comprises two side clamping plate 1, thrust unit, and the material of described side clamping plate 1 and thrust unit is epoxy resin.
The main body of described side clamping plate 1 is rectangle structure, and the length of side clamping plate 1 main body is 45～50 centimetres, and width is 12～15 centimetres.Two side clamping plate 1 are oppositely arranged, and during due to use, both sides clamping plate 1 card holder, on overhead ground wire 10, so the spacing of two side clamping plate 1 is greater than the diameter of overhead ground wire, is about 2.5～3 centimetres.The top of both sides clamping plate 1 arranges two semicircular mounting ears 2, and the center of mounting ear 2 wears wheel shaft, wears pulley 4 on wheel shaft.After installation, two pulleys 4 are positioned at the same level line.The bottom of both sides clamping plate 1 arranges the hanging hole 5 that connects insulating cord, and described hanging hole 5 comprises a lateral aperture, also comprises the upright opening of a vertical connection at the lateral aperture center, and upright opening is positioned at the center of side cleat body substantially.A circular port that diameter is larger is offered in the end of lateral aperture and upright opening, is convenient to install the hook that connects insulating cord.One end of both sides clamping plate 1 is extended with elongated bars, and elongated bars comprises two lengthened plates 3, and lengthened plate arranges along the line stretcher direction of two pulleys.The width of lengthened plate 3 should not be too wide, should guarantee in use with stockbridge damper, not interfere, preferably, the central axis of lengthened plate 3 overlaps with the line of centres of two pulleys, and the width of lengthened plate is corresponding with the width of the clip 9 of stockbridge damper 8 connection overhead ground wires.
Described thrust unit comprises yoke plate 6 and two thruster plates 7.Yoke plate 6 is bolted between two lengthened plates 3, and the outside of lengthened plate 3 is stretched out in the outer end of yoke plate 6, and for whole device better slides at overhead ground wire, the line of the kerve of the lower edge of the lower limb of described yoke plate 6 and two pulleys 4 is positioned at the same level line.The both sides of yoke plate 6 outer ends arrange two thruster plates 7, and an end of thruster plate 7 contacts with lengthened plate 3 is concordant, and the other end of thruster plate 7 is for promoting stockbridge damper 8.Same as above, the width of thruster plate should not interfere with stockbridge damper, preferred, and the width of thruster plate is corresponding with the width of the clip 9 of stockbridge damper 8 connection overhead ground wires, and with the upper edge of lengthened plate 3 with lower along concordant setting.
Claims (5)
1. device is recovered in the positioning of overhead ground wire stockbridge damper, it is characterized in that: the side clamping plate (1) that comprise two insulation materials that are oppositely arranged, both sides clamping plate (1) top arranges two pulleys (4) for crossing over overhead ground wire, the bottom of both sides clamping plate (1) is provided for the hanging hole (5) of hook insulating cord, also comprise thrust unit, described thrust unit comprises the yoke plate (6) fixed to clamp between both sides clamping plate (1), one end of the relative pulley (4) of yoke plate (6) stretches out the outside of side clamping plate (1), the both sides of yoke plate (6) respectively arrange the thruster plate (7) of a clip (9) for the connection overhead ground wire that promotes stockbridge damper (8), the kerve line of the lower limb of described yoke plate (6) and two pulleys (4) lower edge is positioned at the same level line, the width of thruster plate (7) is corresponding with the width of clip (9).
2. device is recovered in overhead ground wire stockbridge damper according to claim 1 positioning, it is characterized in that: the corresponding thrust unit of described two side clamping plate (1) is provided with elongated bars, described elongated bars comprises two smooth lengthened plates (3) that connect as one with the side clamping plate that take turns the setting of line stretcher direction, the width of lengthened plate (3) is corresponding with the width of thruster plate, yoke plate (6) is fixed between two lengthened plates (3), and the end of two lengthened plates (3) contacts with thruster plate (7).
3. device is recovered in overhead ground wire stockbridge damper according to claim 1 and 2 positioning, it is characterized in that: described hanging hole (5) is for comprising a lateral aperture, and the central vertical of lateral aperture is communicated with a upright opening.
4. device is recovered in overhead ground wire stockbridge damper according to claim 3 positioning, it is characterized in that: the main body of described side clamping plate (1) is square, side clamping plate (1) top arranges two semicircular mounting ears (2), and the center of mounting ear (2) wears the wheel shaft for fixed block (4).
5. device is recovered in overhead ground wire stockbridge damper according to claim 4 positioning, it is characterized in that: the material of described side clamping plate (1) is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298168.0A CN103441443B (en) | 2013-07-16 | 2013-07-16 | Device is recovered in aerial earth wire damper positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298168.0A CN103441443B (en) | 2013-07-16 | 2013-07-16 | Device is recovered in aerial earth wire damper positioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441443A true CN103441443A (en) | 2013-12-11 |
| CN103441443B CN103441443B (en) | 2016-11-16 |
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ID=49695125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298168.0A Active CN103441443B (en) | 2013-07-16 | 2013-07-16 | Device is recovered in aerial earth wire damper positioning |
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| Country | Link |
|---|---|
| CN (1) | CN103441443B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406391A (en) * | 2015-11-25 | 2016-03-16 | 国网河南洛宁县供电公司 | Reset device of anti-vibration hammer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490669U (en) * | 2009-09-18 | 2010-05-26 | 衡水供电公司 | Damper replacer for overhead static cable |
| CN202231359U (en) * | 2011-09-28 | 2012-05-23 | 华北电网有限公司张家口供电公司 | Shockproof hammer restorer for aerial earth wire of high-tension transmission lines |
| CN102646947A (en) * | 2012-05-20 | 2012-08-22 | 安徽省电力公司蚌埠供电公司 | Restorer for overhead ground wire damper |
| CN203398639U (en) * | 2013-07-16 | 2014-01-15 | 国家电网公司 | Vibration-proof hammer moving recovering device for overhead ground wire |
-
2013
- 2013-07-16 CN CN201310298168.0A patent/CN103441443B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490669U (en) * | 2009-09-18 | 2010-05-26 | 衡水供电公司 | Damper replacer for overhead static cable |
| CN202231359U (en) * | 2011-09-28 | 2012-05-23 | 华北电网有限公司张家口供电公司 | Shockproof hammer restorer for aerial earth wire of high-tension transmission lines |
| CN102646947A (en) * | 2012-05-20 | 2012-08-22 | 安徽省电力公司蚌埠供电公司 | Restorer for overhead ground wire damper |
| CN203398639U (en) * | 2013-07-16 | 2014-01-15 | 国家电网公司 | Vibration-proof hammer moving recovering device for overhead ground wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406391A (en) * | 2015-11-25 | 2016-03-16 | 国网河南洛宁县供电公司 | Reset device of anti-vibration hammer |
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| Publication number | Publication date |
|---|---|
| CN103441443B (en) | 2016-11-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CB02 | Change of applicant information |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Handan Power Supply Branch Company, State Grid Hebei Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: Handan Power Supply Company |
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| COR | Change of bibliographic data | ||
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| GR01 | Patent grant |