CN103490363B - 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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- CN103490363B CN103490363B CN201310416929.8A CN201310416929A CN103490363B CN 103490363 B CN103490363 B CN 103490363B CN 201310416929 A CN201310416929 A CN 201310416929A CN 103490363 B CN103490363 B CN 103490363B
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- fixture block
- short circuit
- transmission line
- pull bar
- lower fixture
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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 deicing high-voltage power transmission line technical field, refer specifically to a kind of quick short circuit of power line DC ice-melting
Device, belongs to power circuit equipment gold utensil technical field.
Background technology
Winter weather cold, the thick ice sheet of thick layer is wrapped up in power transmission line Louis, and ice sheet increased the weight of trolley line, in wind
In the presence of be also easy to produce resonance, very serious impact is produced to electric tower, thus affecting whole electric power system, to our life
Produce threat with economy.
Current ice-melt operation using by the way of mostly be direct current short circuit ice-melt, need staff by short circuit cable sling into
Row high-altitude is installed, and when carrying out short circuit, needs to fill, tear open the connection of multiply short-circuiting cable and trolley line, and a short circuit cable needs
Want the nut of hand Screw 6 about and the instruments such as nut and screwdriver need to be carried, in order to reduce power off time, new code will
Ask and reduce the ice-melt time (ice-melt actionable total time control is within 4 hours) as far as possible, and adopt current technology short circuit electricity
More when the retractable of cable and fixed charge, staff is susceptible to fatigue, and in addition working environment general summer coolness is wet and slippery, during work
Between length be also inversely proportional to security.A large amount of ice-melt operations that winter a large amount of high-voltage line icing phenomenon existing leads at present will
Have a strong impact on job safety.Therefore, the exploitation of the design and new ice-melt gold utensil that carry out new ice-melt scheme has important reality
With being worth, it is possible to reduce a large amount of manpower, material resources and financial resources carrying out spent by line ice-melting operation being widely present in solution, improve
Operational security, operation quality and efficiency under harsh weather, solves original to rely on relative complex high-altitude application and have
The operation means insoluble de-icing technology problem of limit.For solving the problems, such as above-mentioned situation, occur in that many new technologies are newly produced
Product.Their structure, material are different, have also reached the purpose of protection circuit to a certain extent.
On 07 18th, 2012 Chinese utility model Authorization Notice No. cn 202340108 u, disclose public by Guizhou Power Grid
Department transmission operation overhaul branch company propose a kind of transmission line direct-current ice melting quick short connection, it include spliced cables, on
One end of fixture block and lower fixture block, upper fixture block and lower fixture block adopts chain connection, and being connected through the hinge in the other end of lower plate has
Locking nut, offers the grooved mouth with locking nut cooperation in upper fixture block；The opposite face of upper fixture block and lower fixture block is opened
It is provided with the cable bayonet socket matching, the clamping joint being quickly connected with spliced cables is connected with lower fixture block, spliced cables connect
On clamping joint.Electric wire tower need to manually be climbed up during this technical scheme dress short-circuit device, upper fixture block and lower fixture block are stuck in power transmission line
On, then the screw rod of locking nut is stuck on grooved mouth, then use locking nut spinning, tear open and manually climb up again during short-circuit device
Electric wire tower, locking nut is revolved in derotation, screw rod is separated from grooved mouth, just can take down short-circuit device.Therefore the receipts of short-circuiting cable,
Put and fix, repeatedly climbing tower, time-consuming or more.Work high above the ground twice simultaneously, the personal safety of operating personnel cannot ensure.
Content of the invention
The invention aims to overcoming the shortcomings of above-mentioned background technology, a kind of job safety being provided and the activity duration is short
Transmission line direct-current ice melting quick short connection.
In order to realize object above, the technical scheme is that a kind of power line DC ice-melting of offer is quickly short
Connection device, including short circuit cable, described short circuit cable two ends are connected to a wire mounting folder, and described wire mounts clip pack
Include upper fixture block, lower fixture block and pull bar；One end of described upper lower fixture block adopts articulate to connect, on the relative clamping face of the other end
It is respectively equipped with installation clamping up and down；Install up and down and be separately installed with, in clamping, the upper and lower half-watt group matching with built on stilts linear diameter
Close beryllium copper sleeve, wherein descend half-watt combine beryllium copper sleeve excircle be provided with carry externally threaded under convex conducting block；Described short circuit cable
Two ends be respectively by an internal thread clamping joint with above-mentioned under convex conducting block quickly spin；Described pull bar lower end is square and lower folder
The middle part of block is connected by shotpin mechanism, and the middle part that above-mentioned upper fixture block is run through in pull bar upper end is connected with locking nut；Described stops
Pin mechanism is evolution shape blind hole in lower fixture block, and sets annular groove in the pull bar part lower end side entering square blind hole；?
The one side of lower fixture block also has the through hole that communicate axially vertical with above-mentioned square blind hole, piece middle part set of through hole interpolation therein
There is the pin rod of back-moving spring, so that one end of pin rod is against in the annular groove of pull bar, another end is stretched out lower fixture block and fixed with draw ring；Institute
The draw ring stated connects long bracing wire.
In such scheme, near articulate junction between upper fixture block and lower fixture block, if compression spring or torsion bullet
Spring.
In such scheme, in described lower fixture block, it is provided with locking draft control lever；The upper end of locking draft control lever and upper fixture block
Contact.
In such scheme, described locking nut is connected with rotating ratchet spanner, such staff need not take again
Strap wrenches, it also avoid spanner and drops the generation of accident.
In such scheme, at described locking nut outer end, it is provided with screwed retaining ring；It is provided with anticreep spiral shell at screwed retaining ring outer end
Nail.
In such scheme, described upper fixture block, lower fixture block and pull bar are all made using aerolite.
In such scheme, the bare copper wire that described short circuit cable coats for steel wire.
Wire mounting folder is connected on the trolley line of two parallel erections the present invention, loads between the adjacent phase of trolley line
High-current supply, two trolley lines are connected to become a loop, and the resistance using built on stilts aluminum stranded conductor itself produces heat, thus
Ice coating is melted and removes, can fast, easily carry out neighbour and be connected, there is rapid operation, time short, safe and efficient, firm
Advantage.When the present invention is installed, first on ground, suitably upper and lower half-watt combination beryllium copper sleeve is got ready according to the diameter of trolley line, adjustment is locked
Clamp force and the opening angle of upper fixture block and lower fixture block.This wire mounting folder is directly hung on trolley line, need not be right in the air in height
Draw rod positions are aligned, and directly operate rotating ratchet spanner locking nut, you can realize the mounting of this fixture, save operation
Time.Dismantlement work after the completion of ice-melt work, as long as manually standing in ground, directly firmly drags the long bracing wire connecting draw ring, wire
Mounting folder is pulled out by draw ring because of pin rod in the annular groove of pull bar, and pull bar lower end is in the presence of compression spring or torque spring
Depart from lower fixture block, lead to upper fixture block and lower fixture block to lose constraint and open and unclamp trolley line, wire mounting folder is together with short circuit cable
Just split away off.Thus dismounting is quick, need not step on again and climb electric wire tower, realize conveniently, safely, laborsaving.
Compared with the prior art, it also have the advantage that
1st, the wire mounting folder that the present invention passes through to add respectively at the two ends of short circuit cable achieves the quick of short circuit cable
Wiring, quickly can adjust according to the thickness of ice-melt cable, structure is simple and easy to use in the case of round-the-clock；
2nd, the aviation aluminium that main part of the present invention adopts lightweight, resistance is little and through-current capacity is big, overall weight≤3kg, ratchet
Spanner facilitates operating personnel's Quick fastening fixture, by the application of this wire mounting folder, operating personnel can be made to step on twice and climb electricity
Transmission tower operates, and becomes once, can significantly shorten the operating time of operating personnel；Between operationally, length also becomes anti-with security
Reduce the work high above the ground time under the condition of construction of ratio, increased working security；Greatly reduce the labour intensity of ice-melt operation
And the working time, short circuit wire installation effectiveness can be improved more than twice；
3rd, upper fixture block of the present invention and installing in clamping of lower fixture block are respectively equipped with the upper lower half matching with built on stilts linear diameter
Watt combination beryllium copper sleeve, increases the contact area of conducting block and trolley line by the combination beryllium copper sleeve adding, makes contact resistance
Little, thus ensure that the reliability that trolley line and short circuit cable connect；
4th, short circuit cable of the present invention coats for lightweight steel wire bare copper wire is it is ensured that through-flow, and this material also ensures
The temperature of ice-melt cable is within the temperature range that ice-melt requires；
5th, present invention locking draft control lever can adjust the pressure to trolley line for the lower fixture block, prevents pressure excessive damage wire
Surface, beryllium copper intermediate plate can select not installing all size according to the size of required ice melting electric cable.
Brief description
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the overlooking the structure diagram of Fig. 1.
Fig. 3 is the a-a partial sectional view of Fig. 1.
In figure, 1 short circuit cable；2 upper fixture blocks；3 lower fixture blocks；4 pull bars；Half-watt combination beryllium copper sleeve on 5；6 times half-watt combines beryllium
Copper sheathing；Convex conducting block under 7；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 compression springs or torque spring；18 locking draft control levers；19 rotating ratchet spanneres；20 anticreep spiral shells
Female；21 anti-loosing screws.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but this embodiment should not be construed as right
The restriction 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, including short circuit cable
1, short circuit cable 1 two ends are connected to a wire mounting folder, and wire mounting folder includes upper fixture block 2, lower fixture block 3 and pull bar 4；
It is characterized in that: described upper fixture block 2, one end of lower fixture block 3 adopt articulate to connect, on the relative clamping face of the other end respectively
It is provided with installation clamping up and down；Install up and down to be separately installed with clamping and combine beryllium copper sleeve with the upper half-watt that built on stilts linear diameter matches
5 and lower half-watt combination beryllium copper sleeve 6, wherein descend half-watt combine beryllium copper sleeve 6 excircle be provided with carry externally threaded under convex conducting block
7, described upper half-watt combines beryllium copper sleeve 5 and the lower half-watt combination corresponding position of beryllium copper sleeve 6 is also respectively equipped with installing hole, described upper and lower
Clamping is installed beryllium copper sleeve 5 and lower half-watt combination beryllium copper sleeve 6 are combined by the fixing upper half-watt of described installing hole installation；By add
Upper half-watt combination beryllium copper sleeve 5 and lower half-watt combination beryllium copper sleeve 6, increase down the contact area of convex conducting block 7 and trolley line, thus
Ensure that the reliability that trolley line and short circuit cable 1 connect；Described short circuit cable 1 two ends are by an internal thread clamping joint respectively
8 with above-mentioned under convex conducting block 7 quickly spin；The wire mounting folder being added respectively by the two ends in short circuit cable 1 achieves short
The fast-wiring of wiring cable 1, structure is simple and easy to use.
As shown in figure 3, described pull bar 4 lower end is square and the middle part of lower fixture block 3 is connected by shotpin mechanism, on pull bar 4
The middle part that above-mentioned upper fixture block 2 is run through at end is connected with locking nut 9；Described shotpin mechanism is evolution shape blind hole in lower fixture block 3
10, and set annular groove 11 in the pull bar 4 part lower end side entering square blind hole 10；Also have in the one side of lower fixture block 3
The through hole 12 that communicate axially vertical with above-mentioned square blind hole 10, piece middle part of through hole therein 12 interpolation is cased with back-moving spring 13
Pin rod 14, makes one end of pin rod 14 be against in the annular groove 11 of pull bar 4, and it is fixing with draw ring 15 that another end stretches out lower fixture block 3；Described
Draw ring 15 connect long bracing wire 16.
In the above-described embodiments, near articulate junction between described upper fixture block 2 and lower fixture block 3, if compression bullet
Spring or torque spring 17.
In the above-described embodiments, it is provided with locking draft control lever 18 in described lower fixture block 3；The upper end of locking draft control lever 18
Contact with upper fixture block 2.By described locking draft control lever 18 structure is designed to adjustable structure so that energy is pressed from both sides in the mounting of this wire
It is applied to the trolley line of different-diameter.
In the above-described embodiments, described locking nut 9 is connected with rotating ratchet spanner 19；Described locking nut
It is provided with screwed retaining ring 20 at 9 outer ends；Screwed retaining ring 20 is provided with anti-loosing screw 21 at outer end；So staff need not carry again and pull
Hand, it also avoid spanner and drops the generation of accident.
In the above-described embodiments, described upper fixture block 2, lower fixture block 3 and pull bar 4 are all made using aerolite.Pass through
Make the main part of this wire mounting folder using lightweight, resistance is little and through-current capacity is big aviation aluminum alloy material, reduce this
The weight of wire mounting folder, is 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 (3)
1. a kind of transmission line direct-current ice melting quick short connection, including short circuit cable (1), short circuit cable (1) two ends connect respectively
It is connected to a wire mounting folder, wire mounting folder includes upper fixture block (2), lower fixture block (3) and pull bar (4)；It is characterized in that: described
One end of upper lower fixture block (2,3) adopts articulate to connect, and the relative clamping face of the other end is respectively equipped with installation clamping up and down；
Install up and down to be separately installed with clamping and combine beryllium copper sleeve (5,6), wherein lower half with the upper and lower half-watt that built on stilts linear diameter matches
Watt combination beryllium copper sleeve (6) excircle be provided with band externally threaded under convex conducting block (7)；Described short circuit cable (1) two ends are respectively
Be by an internal thread clamping joint (8) with above-mentioned under convex conducting block (7) quickly spin；Described pull bar (4) lower end is square, side
If annular groove (11), pull bar (4) lower end is connected by shotpin mechanism with the middle part of lower fixture block (3), and pull bar (4) upper end is run through
The middle part stating upper fixture block (2) is connected with locking nut (9)；Described shotpin mechanism is evolution shape blind hole upper in lower fixture block (3)
(10), pull bar (4) end portion can enter square blind hole (10)；Also have square with above-mentioned in the one side of lower fixture block (3)
The axially vertical through hole (12) communicating of blind hole (10), piece middle part of through hole (12) interpolation therein is cased with the pin of back-moving spring (13)
Bar (14)；And so that one end of pin rod (14) is against in the annular groove (11) of pull bar (4), the another end of pin rod (14) stretches out lower fixture block
(3) fixing with draw ring (15)；Described draw ring (15) connects long bracing wire (16)；
Near articulate junction between described upper fixture block (2) and lower fixture block (3), if compression spring or torque spring
(17)；
It is provided with locking draft control lever (18) in described lower fixture block (3)；The upper end of locking draft control lever (18) is connect with upper fixture block (2)
Touch；It is connected with rotating ratchet spanner (19) on described locking nut (9)；It is provided with anti-at described locking nut (9) outer end
De- nut (20)；It is provided with anti-loosing screw (21) at screwed retaining ring (20) outer end.
2. transmission line direct-current ice melting quick short connection according to claim 1 it is characterised in that: described upper fixture block
(2), lower fixture block (3) and pull bar (4) are all made using aerolite.
3. transmission line direct-current ice melting quick short connection according to claim 1 it is characterised in that: described shorting stub
The bare copper wire that cable (1) coats for steel wire.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
|---|---|
| CN103490363A CN103490363A (en) | 2014-01-01 |
| CN103490363B true CN103490363B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416929.8A Active CN103490363B (en) | 2013-09-13 | 2013-09-13 | Rapid Direct-current deicing short circuit device of electric transmission line |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN106025919B (en) * | 2016-06-28 | 2017-11-24 | 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 deicing termination |
| CN106451231B (en) * | 2016-10-08 | 2018-06-08 | 广西电网有限责任公司电力科学研究院 | A kind of method of quick mounting power distribution network ice-melt connecting wire |
| 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 |
| CN109524920B (en) * | 2018-12-13 | 2020-06-23 | 国网山东省电力公司潍坊供电公司 | Aluminum armor tape winding device |
| 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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| CN202340108U (en) * | 2011-12-14 | 2012-07-18 | 贵州电网公司输电运行检修分公司 | Transmission line direct-current ice melting quick short connection device |
| CN202363854U (en) * | 2011-12-09 | 2012-08-01 | 武汉里得科技有限公司 | Ice-melting lap joint line device |
| CN103078284A (en) * | 2012-12-28 | 2013-05-01 | 国网电力科学研究院武汉南瑞有限责任公司 | Rapid working clamp of pre-hanging type power distribution line de-icing engaged line |
| CN202930884U (en) * | 2012-11-29 | 2013-05-08 | 南京特瑞线路器材有限公司 | Ice-melting short circuit fitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000184567A (en) * | 1998-12-18 | 2000-06-30 | Fujikura Ltd | Snow-melting spiral rod for overhead power transmission line |
| CN201246173Y (en) * | 2008-09-02 | 2009-05-27 | 徐州天能机电有限责任公司支柱厂 | Reverse-proof machine of single hydraulic prop |
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|---|---|---|---|---|
| CN202363854U (en) * | 2011-12-09 | 2012-08-01 | 武汉里得科技有限公司 | Ice-melting lap joint line device |
| CN202340108U (en) * | 2011-12-14 | 2012-07-18 | 贵州电网公司输电运行检修分公司 | Transmission line direct-current ice melting quick short connection device |
| CN202930884U (en) * | 2012-11-29 | 2013-05-08 | 南京特瑞线路器材有限公司 | Ice-melting short circuit fitting |
| CN103078284A (en) * | 2012-12-28 | 2013-05-01 | 国网电力科学研究院武汉南瑞有限责任公司 | Rapid working clamp of pre-hanging type power distribution line de-icing engaged line |
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| CN103490363A (en) | 2014-01-01 |
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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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