CN206673464U - One kind lives across stringing protection device - Google Patents

One kind lives across stringing protection device Download PDF

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Publication number
CN206673464U
CN206673464U CN201720373897.1U CN201720373897U CN206673464U CN 206673464 U CN206673464 U CN 206673464U CN 201720373897 U CN201720373897 U CN 201720373897U CN 206673464 U CN206673464 U CN 206673464U
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China
Prior art keywords
vertical rod
rocking arm
ground
epimere
hypomere
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Application number
CN201720373897.1U
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Chinese (zh)
Inventor
杨军
罗彬�
何金波
邱卫卫
倪红献
张洪宁
阮灵琪
沈建力
梁雨哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201720373897.1U priority Critical patent/CN206673464U/en
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Abstract

The utility model discloses one kind to live across stringing protection device, it is arranged symmetrically in crossed line both sides, including the fixed pole for standing on ground, the pole includes hypomere vertical rod, epimere vertical rod and at least one section stage casing vertical rod between hypomere vertical rod and epimere vertical rod, the hypomere vertical rod, it is assembled together between stage casing vertical rod and epimere vertical rod by threaded fastener, rocking arm is hinged with the top of the epimere vertical rod, the front portion of the rocking arm is provided with catch net, the rear portion of the rocking arm is provided with balancing weight, the hypomere vertical rod is provided with line slideway, the sliding block that can be slided up and down along line slideway is provided with the line slideway, the sliding block is connected with pulling force rope and pull rope, the front side connection of the pulling force rope and rocking arm, the pull rope is connected with draw-gear.The utility model is compared with existing crossing frame, it is not necessary to work high above the ground, the assembling of finishing device on ground, is easy to construct, safety coefficient is high.

Description

One kind lives across stringing protection device
Technical field
The utility model is related to power transmission and transformation line construction field, especially one kind can prevent during high-tension line stringing Only circuit drops produces a kind of protection device destroyed to crossed line.
Background technology
Live across, do not have a power failure also referred to as leap, refers to be spanned power line in stringing powered, sets up or remove crossing frame When should be had a power failure across power line.Electric transmission line erection construction in, unfolding lead, ground wire when frequent crossing live-line.At present I Mode largely is crossed over using having a power failure when state's power transmission engineering is led, ground wire unfolding is constructed, it influences the economic benefit of power supply department, and Speed of application is slow.And loss of outage can be reduced using live crossing frame, power supply reliability and speed of application are improved, is power transmission line The direction of road development.Only consider to meet that specification will for the research lived across is general in Construction practices both at home and abroad simultaneously Ask, the problem of reparation without the workload for considering to construct and young crops, therefore for power network code requirement should be met, account for again The technology that lives across that ground area is small, work progress is simple and reliable turns into urgent problem to be solved.
The technology of living across is originally derived from power failure operation.In order to realize the target for having a power failure in short-term or not having a power failure, earliest Develop out wooden (bamboo, steel) matter and live across stringing construction technology.Also have on the material of crossing frame in addition to timber, mao bamboon is used Steel pipe etc..Abroad, 132kV circuits are once successfully crossed over using steel crossing frame by Britain Dixon Scaffold companies;At home, Wooden (bamboo, steel) matter crossing frame is that low-voltage circuit lives across one of technology across what is often selected.At present, it is domestic using more whole Body crossing frame has:Tension force does not have a power failure crossing frame;The parallel crossing frame of twin columns;Lifting energized spanning frame;It is multi-functional to live across Frame is used.But there is the defects of installation is complicated and safety coefficient is relatively low in existing crossing frame.
Utility model content
Technical problem to be solved in the utility model is just to provide one kind and lives across stringing protection device, overcomes existing The shortcomings that installation complexity and relatively low safety coefficient of crossing frame so that can be in the feelings not having a power failure in high pressure stringing work progress Under condition, protection work is fast and safely carried out.
In order to solve the above technical problems, the utility model adopts the following technical scheme that:One kind lives across stringing protection dress Put, be arranged symmetrically in crossed line both sides, including the fixed pole for standing on ground, the pole include hypomere vertical rod, on Section vertical rod and at least one section stage casing vertical rod between hypomere vertical rod and epimere vertical rod, the hypomere vertical rod, stage casing vertical rod It is assembled together between epimere vertical rod by threaded fastener, vertical rod is along the circumferential direction evenly equipped with some bracing wires, bracing wire and ground Anchor is connected and tenses pole, rocking arm is hinged with the top of the epimere vertical rod, the front portion of the rocking arm is provided with catch net, described to shake The rear portion of arm is provided with balancing weight, and the hypomere vertical rod is provided with line slideway, and being provided with the line slideway can be along line slideway The sliding block slided up and down, the sliding block are connected with drawstring and pull rope, the front side connection of the drawstring and rocking arm, the pull rope It is connected with draw-gear;Under off working state in the presence of balancing weight, rocking arm rotates backward, during working condition, draw-gear Pull rope is drawn, pull rope pulls sliding block along line slideway slide downward, and drives drawstring to pull downward on rocking arm, makes rocking arm forward Horizontal level is turned to, so that the rocking arm of crossed line both sides docks, the mat set on rocking arm, which is located at, to be spanned Above circuit.
Preferably, the epimere vertical rod, which is provided with, holds fixed holding fixture tightly, between the holding fixture and rocking arm Provided with bearing revolute pair is formed so as to hold tightly between fixture and rocking arm.
Preferably, the bracing wire includes being connected in epimere vertical rod and in the upper bracing wire of uniform circular arrangement, is connected to It is connected in the vertical rod of stage casing and in the pull-down line of uniform circular arrangement, the pull-down line by double hook with earth anchor, the upper bracing wire is led to Lever Blocks is crossed with earth anchor to be connected.
Preferably, being provided with ground post on the ground, the hypomere vertical rod is transferred on ground post by pin.
Preferably, the bottom of the hypomere vertical rod and ground post, in base, the base is fixed by ground nail On the ground.
The utility model is arranged symmetrically in crossed line both sides, and position is determined by the width of crossed line, and rocking arm Also thus width determines active length.During work, rocking arm rotates to the Planar realization vertical with pole and docked, and makes to set on rocking arm Mat be located above crossed line, so as to play a part of protection to crossed line.
The utility model is compared with existing crossing frame, it is not necessary to work high above the ground, the assembling of finishing device on ground, vertical rod it Afterwards, the protection of alive circuit is realized by device, is easy to construct, safety coefficient is high, and is easy to transport and assembles, and recycles Efficiency high.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A direction views in Fig. 1;
Fig. 3 is enlarged drawing at II in Fig. 1;
Fig. 4 is the attachment structure schematic diagram of pole and rocking arm;
Fig. 5 is rocking arm assembling structure schematic diagram;
Fig. 6 be pole, post and base attachment structure schematic diagram;
Fig. 7 is schematic diagram of the utility model when crossed line both sides are arranged symmetrically.
Reference:
1. pole, 2. balancing weights, 3. rocking arms, 4. spacing ropes, 5. epimere vertical rods, 6. stage casing vertical rods, 7. line slide rails, 8. Sliding block, 9. hypomere vertical rods, 10. bases, 11. assembly pulleys, 12. traction electric machines, 13. earth anchors, 14. Lever Blocks, 15. double hooks, 16. Pull-down line, bracing wire on 17., 18. drawstrings, 19. work are spacing, and 20. inoperatives are spacing, 21. catch nets, 22. first screw threads for fastening Part, 23. bearings, 24. hold fixture, 25. second threaded fasteners, 26. pins, 27. ground posts, 28. ground nails tightly.
Embodiment
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment, Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model Protection domain.
As depicted in figs. 1 and 2, one kind lives across line protective devices, including the fixed pole 1 for standing on ground, embraces Bar 1 is using cylinder hollow structure (LB-3 types pole can also, depending on actual conditions, it mainly provides support effect).It is described Pole 1 includes hypomere vertical rod 9, epimere vertical rod 5 and at least one section stage casing between hypomere vertical rod 9 and epimere vertical rod 5 and stood Bar 6.The adjustment of present apparatus height can be realized according to the height of crossed line, mainly utilizes stage casing vertical rod 6, general hypomere is stood Bar is highly 8 meters, and epimere vertical rod is highly 8 meters, and vertical rod single height in stage casing is 6 meters, can determine that stage casing is stood according to being actually needed The quantity of bar.
Pole 1 is along the circumferential direction evenly equipped with some bracing wires, and bracing wire is connected with earth anchor 13 and tenses pole.Specific to this implementation Example, bracing wire include being connected in epimere vertical rod 5 and in the upper bracing wire 17 of uniform circular arrangement, are connected in stage casing vertical rod 6 and are in The pull-down line 16 of uniform circular arrangement, pull-down line 16 are connected by double hook 15 with earth anchor 13, and upper bracing wire 17 passes through Lever Blocks 14 It is connected with earth anchor.The secure localization of whole device is realized by bracing wire.
Hypomere vertical rod 9 is provided with line slideway 7, and the cunning that can be slided up and down along line slideway is provided with the line slideway 7 Block 8, the sliding block 8 are connected with drawstring 18 and pull rope, and the front side connection of the drawstring and rocking arm, the pull rope fills with traction Put connection.
Welding job spacing 19 and inoperative spacing 20 are with working condition of the realization to rocking arm 3 and non-work in epimere vertical rod 5 Make the restriction of state position.Working spacing 19 prevents that rocking arm is in singular position, and work spacing 18 and spacing rope 4 prevent rocking arm Rotational angle is excessive, influences crossed line.
Epimere vertical rod is provided with positioning of the annular groove realization to holding fixture, has an annular groove to be equipped with every 3 meters of positions corresponding Work spacing 19 and inoperative spacing 20 and spacing rope 4, realize to the spacing of rocking arm.Work spacing 19 and inoperative limit Held tightly by holding fixture (such as anchor ear) tightly in annular groove position 20.
As shown in figure 3, pass through the first threaded fastener 22 between the hypomere vertical rod 9, stage casing vertical rod 6 and epimere vertical rod 5 It is assembled together.
As shown in Fig. 2, Fig. 4 and Fig. 5, the front portion of rocking arm 3 is provided with catch net 21, and the epimere vertical rod 5, which is provided with, holds tightly admittedly Fixed holding fixture 24, hold fixture 24 tightly and held tightly by the second threaded fastener 25 and fixed, holding fixture 24 and the rocking arm 3 it Between be provided with bearing 23, hold fixture tightly and be provided with rotating shaft, bearing is installed on rocking arm 3, shaft support is on bearing 23, so that holding fixture Revolute pair is formed between 24 and rocking arm 3.
As shown in fig. 6, being provided with ground post 27 on the ground, the hypomere vertical rod 9 is transferred on ground post 27 by pin 26.And And the bottom of the hypomere vertical rod and ground post, in base 10, the base 10 is fixed on the ground by ground nail 28.
As shown in fig. 7, being arranged symmetrically the present apparatus in crossed line both sides, position is determined by the width of crossed line, And also thus width determines rocking arm active length.During work, rocking arm rotates to the Planar realization vertical with pole and docked, so as to right Crossed line plays a part of protection.
Under off working state, the assembling of rocking arm 3 and pole 1 is carried out on ground, in the presence of balancing weight 2, rocking arm 3 is backward Rotate, the catch net 21 of rocking arm 3 will not be realized with the alive circuit being spanned and intersected during pole is upright.
Draw-gear includes traction electric machine 12, assembly pulley 11, during work, the scrolling pull rope of traction electric machine 12, pulls sliding block 8 Down moved along line slide rail 7, drive drawstring 18, so as to pull rocking arm 3 to turn to operating position, i.e. horizontal level, realization pair It is spanned the protection of circuit.
Because rocking arm can hang catch net in itself, while using the operation principle of crank block, when sliding block moves along a straight line The rotation of rocking arm is realized, turns to the plane vertical with pole, realizes the protection to circuit.So as to increase protection domain.
Can be according to shown in Fig. 4 and Fig. 5, realizing rocking arm 3 and hold the assembling of fixture 24, mainly bearing 23 tightly on ground Assembling, ensure that rocking arm 3 forms revolute pair between and holding fixture 24 tightly.And carry out hanging catch net 21 on ground.
Before being constructed, height and certain safe altitude with reference to crossed line, calculate used in stage casing vertical rod 6 Quantity.The own wt and circuit for considering rocking arm drop to the impulse force applied on safety net, and rule of thumb formula calculates Go out the specification of drawstring 18 and spacing rope 4, the weight of balancing weight 2, flat so as to play according to needed for net rocking arm and net re-computation The effect of weighing apparatus.The tractive force that required pull tension gauge calculates corresponding drawstring 18 is rotated according to rocking arm 3, so as to select to lead accordingly Draw motor 12 and pull rope and select assembly pulley 11.
After all parts are all selected, the assembling of the present apparatus is realized according to Fig. 1.Hypomere vertical rod 9 and ground post 27 first Between the revolute pair formed connected by pin 26, base 10 is fixed on the ground by ground nail 28 afterwards.Welded in hypomere vertical rod 9 Line slide rail 7, the top shoe 8 of line slide rail 7 realize linear motion.Hypomere vertical rod 9 can be tight by screw thread with more stage casing vertical rods 6 Firmware is fixed.
Secondly epimere vertical rod 5 and the assembling of associated components are carried out.Annular groove in epimere vertical rod 5 can position holding fixture 24, after realizing that the assembling of rocking arm 3 and epimere vertical rod 5, assembling are completed, solderable balancing weight 2 and spacing rope 4.On Section vertical rod 5 is also needed in annular groove periphery welding job spacing 19 and inoperative spacing 20.
After the assembling of epimere vertical rod 5 is completed, the assembling of epimere vertical rod and stage casing vertical rod is carried out by threaded fastener.
After the whole assembling of pole 1 is completed, the upright process of pole 1 is realized in the presence of drawstring 18, now, due to The effect of pouring weight 2, whole rocking arm 3 are in erectility, i.e. off working state.After upright, can by the auxiliary positioning of base 10, And be connected in the presence of the upper bracing wire 17 of uniform circular arrangement and pull-down line 16 and Lever Blocks 14 and double hook 15 with earth anchor 13, Secure localization is realized in the presence of pulling force.
During work, the scrolling pull rope of traction electric machine 12, pull sliding block 8 to realize the down motion of sliding block, drive drawstring 18, from And pull rocking arm 3 to turn to operating position, i.e. horizontal level, realize the protection to being spanned circuit.
After stringing is completed, tractive force is slowly uninstalled, in the presence of balancing weight 2, rocking arm 3 returns to inoperative shape State, then fell pole 1, carries out the dismounting of each several part.
It is that code fo practice can be realized and recycled according to the present apparatus, and convenient assembly and disassembly and transport.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims Scope in.

Claims (5)

1. one kind lives across stringing protection device, it is arranged symmetrically in crossed line both sides, it is characterised in that:Including fixed straight The pole on ground is stood on, the pole includes hypomere vertical rod, epimere vertical rod and between hypomere vertical rod and epimere vertical rod At least one section stage casing vertical rod, is assembled together between the hypomere vertical rod, stage casing vertical rod and epimere vertical rod by threaded fastener, Vertical rod is along the circumferential direction evenly equipped with some bracing wires, and bracing wire is connected with earth anchor and tenses pole, and the top of the epimere vertical rod is hinged There is rocking arm, the front portion of the rocking arm is provided with catch net, and the rear portion of the rocking arm is provided with balancing weight, and the hypomere vertical rod is provided with straight Line guide rail, the sliding block that can be slided up and down along line slideway is provided with the line slideway, and the sliding block connects with drawstring and pull rope Connect, the front side connection of the drawstring and rocking arm, the pull rope is connected with draw-gear;In the work of balancing weight under off working state Under, rocking arm rotates backward, and during working condition, draw-gear traction pull rope, pull rope pulls sliding block downward along line slideway Slide, and drive drawstring to pull downward on rocking arm, rocking arm is turned to horizontal level forward, so that crossed line both sides are shaken Arm is docked, and the mat set on rocking arm is located above crossed line.
2. one kind according to claim 1 lives across stringing protection device, it is characterised in that:Set in the epimere vertical rod Have and hold fixed holding fixture tightly, be provided with bearing between the holding fixture and rocking arm forms so as to hold tightly between fixture and rocking arm Revolute pair.
3. one kind according to claim 1 lives across stringing protection device, it is characterised in that:The bracing wire includes connection In epimere vertical rod and in the upper bracing wire of uniform circular arrangement, the drop-down for being connected in the vertical rod of stage casing and being arranged in uniform circular Line, the pull-down line are connected by double hook with earth anchor, and the upper bracing wire is connected by Lever Blocks with earth anchor.
4. one kind according to claim 1 lives across stringing protection device, it is characterised in that:It is provided with ground on the ground Post, the hypomere vertical rod are transferred on ground post by pin.
5. one kind according to claim 4 lives across stringing protection device, it is characterised in that:The bottom of the hypomere vertical rod In base, the base is fixed on the ground by ground nail for portion and ground post.
CN201720373897.1U 2017-04-11 2017-04-11 One kind lives across stringing protection device Active CN206673464U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720373897.1U CN206673464U (en) 2017-04-11 2017-04-11 One kind lives across stringing protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720373897.1U CN206673464U (en) 2017-04-11 2017-04-11 One kind lives across stringing protection device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107221880A (en) * 2017-04-11 2017-09-29 国网浙江台州市路桥区供电公司 One kind lives across stringing protection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107221880A (en) * 2017-04-11 2017-09-29 国网浙江台州市路桥区供电公司 One kind lives across stringing protection device
CN107221880B (en) * 2017-04-11 2023-08-29 国网浙江台州市路桥区供电有限公司 Electrified crossing overhead line protection device

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