CN103490363A - Rapid Direct-current deicing short circuit device of electric transmission line - Google Patents
Rapid Direct-current deicing short circuit device of electric transmission line Download PDFInfo
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- CN103490363A CN103490363A CN201310416929.8A CN201310416929A CN103490363A CN 103490363 A CN103490363 A CN 103490363A CN 201310416929 A CN201310416929 A CN 201310416929A CN 103490363 A CN103490363 A CN 103490363A
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- fixture block
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- transmission line
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Abstract
The invention relates to a rapid direct-current deicing short circuit device of an electric transmission line and belongs to the technical field of electric power line device fittings. According to the structure, the rapid direct-current deicing short circuit device of the electric transmission line comprises a short circuit cable (1). The two ends of the short circuit cable (1) are respectively connected with one line hanging connection clamp. One end of an upper clamping block (2) of each line hanging connection clamp and one end of a lower clamping block (3) of the line hanging connection clamp are movably connected through a hinge, the other end of each upper clamping block (2) is provided with an upper semi-tile combined beryllium copper sleeve (5), and the other end of each lower clamping block (3) is provided with a lower semi-tile combined beryllium copper sleeve (6), wherein the upper semi-tile combined beryllium copper sleeve (5) and the lower semi-tile combined beryllium copper sleeve (6) are matched with the overhead line in diameter. The two ends of the short circuit cable (1) are respectively connected with a downward-convex conductive block (7) in a rapid screwing mode through an internal-thread clamping connector (8). The lower end of each pull rod (4) is square and is connected with the middle of one lower clamping block (3) through a shotpin mechanism. According to the rapid direct-current deicing short circuit device of the electric transmission line, the line hanging connection clamps are connected to two overhead lines which are erected in parallel, a large current power source is loaded between adjacent phases of the overhead lines, heat generated through a resistor of the overhead aluminum conductors is utilized, so that attached ice is rapidly deiced and eliminated, and adjacent phase connection can be rapidly and conveniently conducted. The rapid direct-current deicing short circuit device of the electric transmission line has the advantages of being capable of saving labor, short in time, rapid in installation, convenient to install, and firm.
Description
Technical field
The present invention relates to the deicing high-voltage power transmission line technical field, specifically refer to a kind of transmission line direct-current ice melting quick short connection, belong to power circuit equipment gold utensil technical field.
Background technology
Winter weather cold, the thick ice sheet of power transmission line Louis parcel one deck, ice sheet has increased the weight of overhead wire, easily produce resonance under wind action, electric tower is produced to very serious impact, thereby affect whole electric power system, produce threat to our life and economy.
The mode that current ice-melt operation adopts mostly is the ice-melt of direct current short circuit, need the staff that the short circuit cable is sling and carried out the high-altitude installation, when carrying out short circuit, need dress, tear the connection of multiply short-circuiting cable and overhead wire open, and a short circuit cable needs the nut of 6 left and right of hand Screw and need carry the instruments such as nut and screwdriver, in order to reduce interruption duration, new rules require to reduce the ice-melt time (the ice-melt actionable total time was controlled in 4 hours) as far as possible, and adopt the receipts of current technology short-circuiting cable, more while putting with fixed charge, fatigue easily occurs in the staff, the operational environment general summer coolness is wet and slippery in addition, operating time length and fail safe also are inversely proportional to.A large amount of ice-melt operations that the icing phenomenon of a large amount of high-voltage lines that exist in winter causes at present will have a strong impact on job safety.Therefore, carry out the design of novel ice-melt scheme and the exploitation of novel ice-melt gold utensil and there is important practical value, can reduce solve extensively exist carry out the spent a large amount of manpower, material resources and financial resources of line ice-melting operation, improved the operational security under harsh weather, operation quality and efficiency, solve the high-altitude application of original dependence relative complex and the limited insoluble de-icing technology problem of operation means.For solving the problem of above-mentioned situation, many New Products have appearred.Their structure, material are different, have also reached to a certain extent the purpose of protection circuit.
On 07 18th, 2012 Chinese utility model Granted publication CN 202340108 U, a kind of transmission line direct-current ice melting quick short connection proposed by transmission operation maintenance branch company of Guizhou Power Grid company is disclosed, it comprises spliced cables, upper fixture block and lower fixture block, one end of upper fixture block and lower fixture block adopts chain connection, at the other end of the lower plate locking nut that has been connected through the hinge, offer the grooved mouth coordinated with locking nut on upper fixture block; Offer the cable bayonet socket matched on the opposite face of upper fixture block and lower fixture block, be connected with the clamping joint be connected fast with spliced cables on lower fixture block, spliced cables is connected on clamping joint.Need manually climb up electric wire tower during this technical scheme dress short-circuit device, upper fixture block and lower fixture block are stuck on power transmission line, again the screw rod of locking nut is stuck on the grooved mouth, then use locking nut spinning, manually climb up again electric wire tower while tearing short-circuit device open, locking nut is revolved in derotation, and screw rod is separated from the grooved mouth, just can take down short-circuit device.Therefore the retractable of short-circuiting cable and fixing, climbing tower, time-consuming or more repeatedly.Twice work high above the ground simultaneously, operating personnel's personal safety can't ensure.
Summary of the invention
The objective of the invention is, in order to overcome the deficiency of above-mentioned background technology, provides short transmission line direct-current ice melting quick short connection of a kind of job safety and activity duration.
In order to realize above purpose, technical scheme of the present invention is: a kind of transmission line direct-current ice melting quick short connection provided, comprise the short circuit cable, described short circuit cable two ends are connected with respectively a wire and articulate folder, and described wire articulates folder and comprises fixture block, lower fixture block and pull bar; One end of described upper and lower fixture block adopts hinge to be flexibly connected, and on the relative clamping area of the other end, is respectively equipped with clamping is installed up and down; Install up and down in clamping and be separately installed with the upper and lower half-watt combination beryllium copper sleeve matched with the overhead wire diameter, the excircle that wherein descends half-watt to combine beryllium copper sleeve is provided with is with externally threaded lower protruding conducting block; Described short circuit cable two ends are respectively to spin fast by an internal thread clamping joint and above-mentioned lower protruding conducting block; Described pull bar lower end is square and links by shotpin mechanism with the middle part of lower fixture block, and the middle part that above-mentioned upper fixture block is run through in the pull bar upper end is connected with locking nut; Described shotpin mechanism is evolution shape blind hole on lower fixture block, and establishes annular groove in the pull bar part lower end side that enters square blind hole; In a side of lower fixture block, also have and the axial vertical through hole communicated of above-mentioned square blind hole, middle part cover of through hole interpolation wherein has the pin rod of back-moving spring, and an end of pin rod is against in the annular groove of pull bar, and another end is stretched out lower fixture block and draw ring is fixed; Described draw ring connects long bracing wire.
In such scheme, between upper fixture block and lower fixture block, near the hinge active connection place, establish Compress Spring or torque spring.
In such scheme, in described lower fixture block, be provided with the coupling mechanism force adjusting rod; The upper end of coupling mechanism force adjusting rod contacts with upper fixture block.
In such scheme, be connected with the rotating ratchet spanner on described locking nut, the staff is without carrying spanner again like this, also avoided the drop generation of accident of spanner.
In such scheme, place, described locking nut outer end is provided with screwed retaining ring; Place, screwed retaining ring outer end is provided with anti-loosing screw.
In such scheme, described upper fixture block, lower fixture block and pull bar all adopt aerolite to make.
In such scheme, described short circuit cable is the bare copper wire that steel wire coats.
The present invention articulates folder by wire and is connected on two parallel overhead wires that set up, load high-current supply between the adjacent phase of overhead wire, two overhead wires are connected to become to a loop, utilize the resistance of overhead aluminum twisted wire self to produce heat, thereby ice coating is melted and removes, can carry out fast, easily the neighbour and be connected, have that rapid operation, time are short, safe and efficient, advantage firmly.Install when of the present invention, first on ground, according to the diameter of overhead wire, get the suitable combination of half-watt up and down beryllium copper sleeve, the opening angle of adjustment coupling mechanism force and upper fixture block and lower fixture block ready.This wire is articulated to folder and directly hang on overhead wire, without at height, draw rod positions being carried out to contraposition in the air, direct control rotating ratchet spanner locking nut, can realize articulating of this fixture, saves the operating time.Dismantlement work after ice-melt work completes, as long as manually stand in ground, directly firmly drag the long bracing wire that connects draw ring, wire articulates folder and is pulled out in the annular groove of pull bar by draw ring because of pin rod, fixture block under the pull bar lower end breaks away under the effect of Compress Spring or torque spring, cause fixture block and lower fixture block to lose constraint and open and unclamp overhead wire, wire articulates folder and just splits away off together with the short circuit cable.Thereby dismounting fast, without again stepping on creepage transmission tower, realize safety, convenient, laborsaving.
Compared with the prior art, the present invention also has the following advantages:
1, the wire that the present invention adds respectively by the two ends at the short circuit cable articulates folder and has realized the fast-wiring of short circuit cable, can be according to the thickness rapid adjustment of ice-melt cable in round-the-clock situation, and simple in structure and easy to use;
2, main part of the present invention adopts lightweight, resistance is little and through-current capacity is large aviation aluminium, overall weight≤3kg, ratchet spanner handled easily personnel Quick fastening fixture, articulate the application of folder by this wire, can make operating personnel step on creepage transmission tower operation for twice, become once, can significantly shorten operating personnel's operating time; Reduce the work high above the ground time under the condition of construction also be inversely proportional in operating time length and fail safe, increased working security; Greatly reduce labour intensity and the operating time of ice-melt operation, more than short circuit wire installation effectiveness can being improved to twice;
3, be respectively equipped with the combination of the half-watt up and down beryllium copper sleeve matched with the overhead wire diameter in the present invention in the installation clamping of fixture block and lower fixture block, increased the contact area of conducting block and overhead wire by the combination beryllium copper sleeve added, make the contact resistance minimum, thereby guaranteed the reliability that overhead wire is connected with the short circuit cable;
4, short circuit cable of the present invention is the bare copper wire that the lightweight steel wire coats, guarantee through-flow, and within this material also guaranteed temperature range that the temperature of ice-melt cable requires in ice-melt;
5, coupling mechanism force adjusting rod of the present invention can be regulated the pressure of upper and lower fixture block to overhead wire, prevents the excessive damage conductive line surfaces of pressure, and the beryllium copper intermediate plate can, according to the size of required ice melting electric cable, select not install all size.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
The plan structure schematic diagram that Fig. 2 is Fig. 1.
The A-A partial sectional view that Fig. 3 is Fig. 1.
In figure, 1 short circuit cable; Fixture block on 2; 3 times fixture blocks; 4 pull bars; Half-watt combination beryllium copper sleeve on 5; 6 times half-watt combination beryllium copper sleeves; 7 times protruding conducting blocks; 8 internal thread clamping joints; 9 locking nuts; 11 annular grooves; 12 through holes; 13 back-moving springs; 14 pin rods; 15 draw rings; 16 long bracing wires; 17 Compress Springs or torque spring; 18 coupling mechanism force adjusting rods; 19 rotating ratchet spanneres; 20 screwed retaining rings; 21 anti-loosing screws.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
As shown in Figure 1, 2, the present embodiment provides a kind of transmission line direct-current ice melting quick short connection, comprises short circuit cable 1, and short circuit cable 1 two ends are connected with respectively a wire and articulate folder, and wire articulates folder and comprises fixture block 2, lower fixture block 3 and pull bar 4; It is characterized in that: an end of described upper fixture block 2, lower fixture block 3 adopts hinge to be flexibly connected, and on the relative clamping area of the other end, is respectively equipped with clamping is installed up and down; Install up and down in clamping and be separately installed with upper half-watt combination beryllium copper sleeve 5 and the lower half-watt combination beryllium copper sleeve 6 matched with the overhead wire diameter, the excircle that wherein descends half-watt to combine beryllium copper sleeve 6 is provided with is with externally threaded lower protruding conducting block 7, the position of described upper half-watt combination beryllium copper sleeve 5 and lower half-watt combination beryllium copper sleeve 6 correspondences also is respectively equipped with installing hole, describedly clamping is installed up and down by described installing hole, fixing upper half-watt combination beryllium copper sleeve 5 and lower half-watt combination beryllium copper sleeve 6 is installed; Increase time protruding conducting block 7 and the contact area of making somebody a mere figurehead 3 by upper half-watt combination beryllium copper sleeve 5 and the lower half-watt combination beryllium copper sleeve 6 added, thereby guaranteed the reliability that overhead wire is connected with short circuit cable 1; Described short circuit cable 1 two ends are respectively to spin fast with above-mentioned lower protruding conducting block 7 by an internal thread clamping joint 8; The wire added respectively by the two ends at short circuit cable 1 articulates the fast-wiring that folder has been realized short circuit cable 1, simple in structure and easy to use.
As shown in Figure 3, described pull bar 4 lower ends are square and link by shotpin mechanism with the middle part of lower fixture block 3, and the middle part that above-mentioned upper fixture block 2 is run through in pull bar 4 upper ends is connected with locking nut 9; Described shotpin mechanism is evolution shape blind hole 10 on lower fixture block 3, and establishes annular groove 11 in the pull bar 4 part lower end side that enter square blind hole 10; In a side of lower fixture block 3, also have and the axial vertical through hole communicated 12 of above-mentioned square blind hole 10, middle part cover of through hole 12 interpolation wherein has the pin rod 14 of back-moving spring 13, one end of pin rod 14 is against in the annular groove 11 of pull bar 4, and it is fixing with draw ring 15 that another end is stretched out lower fixture block 3; Described draw ring 15 connects long bracing wire 16.
In the above-described embodiments, near the hinge active connection place, establish Compress Spring or torque spring 17 between described upper fixture block 2 and lower fixture block 3.
In the above-described embodiments, be provided with coupling mechanism force adjusting rod 18 in described lower fixture block 3; The upper end of coupling mechanism force adjusting rod 18 contacts with upper fixture block 2.By described coupling mechanism force adjusting rod 18 structures are designed to adjustable structure, make this wire articulate the overhead wire that folder can be applicable to different-diameter.
In the above-described embodiments, be connected with rotating ratchet spanner 19 on described locking nut 9; Described locking nut 9 places, outer end are provided with screwed retaining ring 20; Screwed retaining ring 20 places, outer end are provided with anti-loosing screw 21; The staff is without carrying spanner again like this, also avoided the drop generation of accident of spanner.
In the above-described embodiments, described upper fixture block 2, lower fixture block 3 and pull bar 4 all adopt aerolite to make.By adopting lightweight, resistance is little and through-current capacity is large aviation aluminum alloy material to make the main part that this wire articulates folder, reduced the weight that this wire articulates folder, be convenient for carrying and rapid operation.
In the above-described embodiments, the bare copper wire that described short circuit cable 1 coats for steel wire.
Claims (7)
1. a transmission line direct-current ice melting quick short connection, comprise short circuit cable (1), and short circuit cable (1) two ends are connected with respectively a wire and articulate folder, and wire articulates folder and comprises fixture block (2), lower fixture block (3) and pull bar (4); It is characterized in that: an end of described upper and lower fixture block (2,3) adopts hinge to be flexibly connected, and on the relative clamping area of the other end, is respectively equipped with clamping is installed up and down; Install up and down in clamping and be separately installed with the upper and lower half-watt combination beryllium copper sleeve (5,6) matched with the overhead wire diameter, the excircle that wherein descends half-watt to combine beryllium copper sleeve (6) is provided with is with externally threaded lower protruding conducting block (7); Described short circuit cable (1) two ends are respectively to spin fast by an internal thread clamping joint (8) and above-mentioned lower protruding conducting block (7); Described pull bar (4) lower end is square and links by shotpin mechanism with the middle part of lower fixture block (3), and the middle part that above-mentioned upper fixture block (2) is run through in pull bar (4) upper end is connected with locking nut (9); Described shotpin mechanism is in the upper evolution shape blind hole (10) of lower fixture block (3), and establishes annular groove (11) in the pull bar that enters square blind hole (10) (4) part lower end side; In a side of lower fixture block (3), also have and the axial vertical through hole communicated (12) of above-mentioned square blind hole (10), middle part cover of through hole wherein (12) interpolation has the pin rod (14) of back-moving spring (13), one end of pin rod (14) is against in the annular groove (11) of pull bar (4), and it is fixing with draw ring (15) that another end is stretched out lower fixture block (3); Described draw ring (15) connects long bracing wire (16).
2. transmission line direct-current ice melting quick short connection according to claim 1, is characterized in that: between described upper fixture block (2) and lower fixture block (3), near the hinge active connection place, establish Compress Spring or torque spring (17).
3. transmission line direct-current ice melting quick short connection according to claim 1, is characterized in that: be provided with coupling mechanism force adjusting rod (18) in described lower fixture block (3); The upper end of coupling mechanism force adjusting rod (18) contacts with upper fixture block (2).
4. transmission line direct-current ice melting quick short connection according to claim 1, is characterized in that: be connected with rotating ratchet spanner (19) on described locking nut (9).
5. transmission line direct-current ice melting quick short connection according to claim 1 is characterized in that: place, described locking nut (9) outer end is provided with screwed retaining ring (20); Place, screwed retaining ring (20) outer end is provided with anti-loosing screw (21).
6. transmission line direct-current ice melting quick short connection according to claim 1, it is characterized in that: described upper fixture block (2), lower fixture block (3) and pull bar (4) all adopt aerolite to make.
7. transmission line direct-current ice melting quick short connection according to claim 1, is characterized in that: the bare copper wire that described short circuit cable (1) coats for steel wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416929.8A CN103490363B (en) | 2013-09-13 | 2013-09-13 | Rapid Direct-current deicing short circuit device of electric transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416929.8A CN103490363B (en) | 2013-09-13 | 2013-09-13 | Rapid Direct-current deicing short circuit device of electric transmission line |
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| CN103490363A true CN103490363A (en) | 2014-01-01 |
| CN103490363B CN103490363B (en) | 2017-01-18 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852343A (en) * | 2015-06-02 | 2015-08-19 | 江苏省电力公司淮安供电公司 | Cable connector |
| CN105966760A (en) * | 2016-06-24 | 2016-09-28 | 苏州华本机电有限公司 | Internal cable clamping device |
| CN106025919A (en) * | 2016-06-28 | 2016-10-12 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Flexible ground wire ice melting wiring apparatus |
| CN106451231A (en) * | 2016-10-08 | 2017-02-22 | 广西电网有限责任公司电力科学研究院 | Method for rapidly hitching power distribution network ice-melting connection lead |
| CN108923364A (en) * | 2018-07-05 | 2018-11-30 | 广东电网有限责任公司 | Intelligent DC ice-melt short-circuit tool and device |
| CN109510148A (en) * | 2018-08-16 | 2019-03-22 | 金华八达集团有限公司科技信息分公司 | A kind of power transmission line DC de-icing device of Fast Installation |
| CN109524920A (en) * | 2018-12-13 | 2019-03-26 | 国网山东省电力公司潍坊供电公司 | A kind of aluminium armor tape wrapping head |
| CN111404103A (en) * | 2019-11-26 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | Transmission line direct current ice-melt short circuit chuck |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852343A (en) * | 2015-06-02 | 2015-08-19 | 江苏省电力公司淮安供电公司 | Cable connector |
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| CN106025919A (en) * | 2016-06-28 | 2016-10-12 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Flexible ground wire ice melting wiring apparatus |
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| CN106451231A (en) * | 2016-10-08 | 2017-02-22 | 广西电网有限责任公司电力科学研究院 | Method for rapidly hitching power distribution network ice-melting connection lead |
| CN108923364A (en) * | 2018-07-05 | 2018-11-30 | 广东电网有限责任公司 | Intelligent DC ice-melt short-circuit tool and device |
| CN109510148A (en) * | 2018-08-16 | 2019-03-22 | 金华八达集团有限公司科技信息分公司 | A kind of power transmission line DC de-icing device of Fast Installation |
| CN109524920A (en) * | 2018-12-13 | 2019-03-26 | 国网山东省电力公司潍坊供电公司 | A kind of aluminium armor tape wrapping head |
| CN111404103A (en) * | 2019-11-26 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | Transmission line direct current ice-melt short circuit chuck |
| CN111404103B (en) * | 2019-11-26 | 2021-10-08 | 国网浙江省电力有限公司金华供电公司 | Transmission line direct current ice-melt short circuit chuck |
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| CN103490363B (en) | 2017-01-18 |
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Effective date of registration: 20200901 Address after: Room 214, administrative committee of Chenzhou export processing zone, Linyi Avenue, bailutang Town, Suxian District, Chenzhou City, Hunan Province Patentee after: Chenzhou Dongsheng Technology Co., Ltd Address before: 423000 Suxian District, Chenzhou Hunan science and Technology Industrial Park Chenzhou Tong Tong Electric Equipment Co., Ltd. Patentee before: Chenzhou Dongtang Electrical Equipment Co.,Ltd. |
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