CN209456003U - Aerial earth wire installs lifting device - Google Patents

Aerial earth wire installs lifting device Download PDF

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Publication number
CN209456003U
CN209456003U CN201821893191.9U CN201821893191U CN209456003U CN 209456003 U CN209456003 U CN 209456003U CN 201821893191 U CN201821893191 U CN 201821893191U CN 209456003 U CN209456003 U CN 209456003U
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China
Prior art keywords
cross
arm
fixation kit
connect
lifting device
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Active
Application number
CN201821893191.9U
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Chinese (zh)
Inventor
张森
苗中杰
王莹
周启山
冯彬
范光哲
赵群
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State Grid Liaoning Electric Power Co Ltd
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State Grid Liaoning Electric Power Co Ltd
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Priority to CN201821893191.9U priority Critical patent/CN209456003U/en
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Abstract

The utility model relates to earth wire of power transmission line to install equipment technical field, specifically provide a kind of aerial earth wire installation lifting device, including fixation kit, lifting assembly and support component;The lifting assembly for promoting ground wire is mounted at the top of cross-arm, and the fixation kit of fixed lifting assembly covers on cross-arm, is connect with lifting assembly bottom, is supported support component one end of fixation kit to connect with fixation kit bottom, the other end is connected and fixed with shaft tower tower body.It is sleeved on cross-arm by fixation kit, ground wire is promoted by the lifting assembly at the top of fixation kit, in the process of ascension, cross-arm bottom, the support component connecting with fixation kit is supported cross-arm, prevents the over-stressed generation risk of breakage of cross-arm.

Description

Aerial earth wire installs lifting device
Technical field
The present invention relates to earth wire of power transmission line to install equipment technical field, specifically provides a kind of aerial earth wire installation promotion Device.
Background technique
In the arrangement and maintenance process of electric power facility, often ground wire is replaced, so unavoidable will make With lifting device by ground wire lifting to tower top, structure is complicated that installation is inconvenient for existing lifting device, is installing and replacing original ground wire When support is lacked to cross-arm bottom, simultaneously for some cement pillars or the power transmission tower of steel pipe, cross-arm when promoting ground wire by Power is larger, easily causes danger, and causes injury to personnel.
Summary of the invention
For the above technical problems, the present invention provides a kind of aerial earth wire installation lifting device, passes through fixed group Part is sleeved on cross-arm, is promoted by the lifting assembly at the top of fixation kit to ground wire, in the process of ascension, cross-arm bottom Portion, the support component connecting with fixation kit are supported cross-arm, prevent the over-stressed generation risk of breakage of cross-arm.
The purpose of the present invention is achieved through the following technical solutions:
A kind of aerial earth wire installation lifting device, including fixation kit, lifting assembly and support component;Promote mentioning for ground wire It rises component to be mounted at the top of cross-arm, the fixation kit of fixed lifting assembly covers on cross-arm, connect with lifting assembly bottom, supports Support component one end of fixation kit is connect with fixation kit bottom, and the other end is connected and fixed with shaft tower tower body inclining.
Further, the lifting assembly includes support plate, fixed pulley, movable pulley, boom hoist cable, suspension hook, promotes electricity Machine, spool, motor cabinet and cushion block;The support plate is arranged at the top of cross-arm, and two sides are respectively arranged there are two fixed pulley, bottom with Fixation kit connection;The promotion motor is mounted at the top of support plate by motor cabinet, and output shaft is connect with spool;The line The cushion block of support spool is installed between at the top of axis and support plate;The boom hoist cable arranges two, every one end connection one Fixed pulley is connect through fixed pulley with spool after the other end bypasses movable pulley;The suspension hook is arranged on movable pulley.
Further, being also equipped on the suspension hook can be self-locking from locking plate.
Further, the fixation kit includes convex set, intermediate plate and screw rod;Convex set be it is split type, with cross-arm Cross section match, be sleeved on cross-arm, distance is less than the length of support plate between the seperated vertical edges of convex set two, and two is seperated Top connect respectively with support plate, while the seperated vertical edges of convex set two have tapped through-hole;The folder Piece is two, is arranged in convex set, cross-arm two sides;The screw rod is two, has external screw thread, nibbles with the internal screw thread of through-hole It closes, each screw rod one end has nuts, and the other end passes through through-hole and is connected with intermediate plate, and rotation nuts adjusts intermediate plate and cross-arm Between distance.
Further, it is also separately installed with guide rail between the seperated top of the convex set two and support plate bottom, it is described to lead Rail at least arranges two, installs along cross-arm length direction.
Further, the convex covers the also spaced two otic placode I in bottom, is connected respectively by support component thereon Tower body.
Further, the support component includes hound and anchor ear;The anchor ear arranges two, for semicircle, both ends To have hoop ear with through-hole, it is interconnected and fixed on shaft tower tower body by binding round ear snail bolt;Otic placode II is had on the anchor ear, tiltedly Strut one end is connect with otic placode I, and the other end is connect with otic placode II.
The invention has the benefit that
1. fixation kit of the invention is matched with the cross-sectional shape of cross-arm, after being sleeved on cross-arm, pass through two phases Pair intermediate plate mutually clamp cross-arm be fixed, easy to operate, stable structure.
2. fixation kit bottom is connected with support component, fixation kit is propped up using the principle of triangle stability Support, mitigates the stress of cross-arm, prevents cross-arm because of the excessive danger being broken of stress during installation ground wire.
3. synchronize promotions to ground wire using motor cooperation fixed pulley is promoted, instead of manpower while dispersion stress point It is promoted, improves raising efficiency and stability.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the left view of Fig. 1;
Specifically, 1. shaft tower tower bodies, 2. promotion motors, 3. cushion blocks, 4. cross-arms, 5. intermediate plates, 6. nuts, 7. screw rods, 8. Convex set, 9. connection bolt I, 10. hounds, 11. hoop ears, 12. anchor ears, 13. connection bolt II, 14. otic placode II, 15. bind round ears Bolt, 16. otic placode I, 17. suspension hooks, 18. from locking plate, and 19. boom hoist cables, 20. fixed pulleys, 20-1. movable pulley, 21. support Plate, 22. motor cabinets, 23. spools, 24. shafts, 25. guide rails.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment 1, as depicted in figs. 1 and 2, a kind of aerial earth wire installation lifting device, including fixation kit, lifting assembly And support component;Lifting assembly is located at 4 top of cross-arm, is promoted to aerial earth wire, and fixation kit is sleeved on cross-arm 4, with The connection of lifting assembly bottom, is fixed lifting assembly, support component one end is connect with fixation kit bottom, the other end and bar The inclination of tower tower body 1 is connected and fixed, and is supported to fixation kit and lifting assembly, and preventing lifting force excessive is more than 4 load of cross-arm It causes danger.
4 section of cross-arm is convex shape, is mounted on cement or steel pipe tower tower body 1, is existing structure.
The lifting assembly includes support plate 21, fixed pulley 20, movable pulley 20-1, boom hoist cable 19, suspension hook 17, is promoted Motor 2, spool 23, motor cabinet 22 and cushion block 3;The support plate 21 is arranged in the top of cross-arm 4, and two sides are respectively arranged that there are two fixed Pulley 20, the mounting means of fixed pulley in this example are as follows: 21 two sides of support plate are provided with groove, and two fixed pulleys 20 pass through two respectively Shaft 24 is arranged in the groove of 21 two sides of support plate, and other modes can also be used and install to fixed pulley 20;The promotion Motor 2 is mounted on 21 top of support plate by motor cabinet 22, and output shaft is connect with spool 23;In 23 bottom of spool and support plate Cushion block 3 is installed between 21 tops, spool 23 is supported, double flute spool is used in this example;19 cloth of boom hoist cable Set two, every one end connects fixed pulley 20, after the other end bypasses movable pulley 20-1, along 21 side of support plate fixed pulley 20 with One wire casing of spool 23 connects, and suspension hook 17 is mounted on movable pulley 20-1, and it is great to lifting wire to install movable pulley 20-1 additional Reduce the load for promoting motor 2, lifting work both can be completed using micro-machine.
Being also equipped on the suspension hook 17 can be self-locking from locking plate, and the ground wire being put into suspension hook 17 is locked, is prevented Ground wire is deviate from out of suspension hook 17 in lifting process.
The fixation kit includes convex set 8, intermediate plate 5 and screw rod 7;It is convex that the convex, which covers 8 sections, be it is split type, It matches, is removably sleeved on cross-arm 4 with the cross section of cross-arm 4, convex covers 8 liang of seperated vertical distance between the surface and is less than branch The top of the length of fagging 21, two seperated vertical planes is connect with support plate 21 respectively, while on two seperated vertical planes respectively It is provided with tapped through-hole;The intermediate plate 5 is arranged two, is arranged in convex set 8, the two sides of cross-arm 4, and two-phase intermediate plate 5 is mutual The fixed cross-arm 4 of extrusion fit convex set 8;The screw rod 7 is two, has external screw thread, engages with the internal screw thread of through-hole, each spiral shell 7 one end of bar has nuts 6, and the other end passes through through-hole and is connected with intermediate plate 5;Nuts 6 is rotated, in 7 external screw thread of screw rod and is led to Under the engagement of hole internal screw thread, intermediate plate 5 and the spacing of cross-arm 4 are adjusted, prevent two fissions of convex set 8 along 4 length of cross-arm Play occurs for direction.The convex covers the also spaced apart two otic placode I16 in 8 bottoms, connects support component,.
It is covered in convex and also adds guide rail 25 at the top of 8 two fissions between 21 bottom of support plate, two are arranged in this example, edge 4 length direction of cross-arm arrangement makes ground wire that can carry out the adjustment along 4 length direction of cross-arm according to position during lifting, It avoids generating other conducting wires obstruction, while cooperating with two otic placode I16 of bottom, two fissions of convex set 8 are carried out tight Gu.
The support component includes hound 10 and anchor ear 12;The anchor ear 12 is along 1 vertical direction interval cloth of shaft tower tower body Two groups are set, the monolithic of every group of anchor ear 12 is semicircle, and both ends are the hoop ear 11 with through-hole, will be embraced by two hoop ear snail bolts 15 Two monolithics of hoop 12 are interconnected and fixed on shaft tower tower body 1;Otic placode II14,10 one end of hound are had on the anchor ear 12 It is connect by connection bolt I9 with otic placode I16, the other end is connect by connecting bolt II13 with otic placode II14, inclined shore convex Set 8, another group of connection type is identical, and the angle of cut of two hounds 10 is 20 °~35 °, carries out two o'clock support to convex set 8, together When two points stress along the vertical direction is formed on shaft tower tower body 1, tangential force when to lifting and the horizontal torsion generated by wind Power is divided equally, and is improved convex and is covered 8 stresses.
The hound 10 is to be engaged by screw thread, length-adjustable flexible metallic rod.
When installation, first two fissions of convex set 8 are respectively fitted on cross-arm 4,10 length of hound is adjusted, makes two diagonal braces Two otic placode I16 that bar 10 covers 8 bottoms with convex respectively are connect, and the support plate of lifting assembly 21 and convex are then covered the two of 8 A seperated top is connected and fixed, and completes the suit that convex covers 8 pairs of cross-arms 4;It is solid that rotation nuts 6 makes intermediate plate 5 clamp the completion of cross-arm 4 It is fixed;Two groups of anchor ears 12 are surrounded into shaft tower tower body 1, are interconnected and fixed between monolithic;By two hounds 10 respectively with two anchor ears 12 On otic placode II13 connection, make to form multiple gusseted knots between lifting device and vertical shaft tower tower body 1 and horizontal cross-arm 4 Structure completes installation.
When lifting, ground wire is hooked in two suspension hooks 17, promotion motor 2 is opened and promotion is synchronized to ground wire, pass through Guide rail 25 changes the relative position of ground wire, while the transmission of electricity component such as can also promote insulator chain, connection gold utensil.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (7)

1. a kind of aerial earth wire installs lifting device, which is characterized in that including fixation kit, lifting assembly and support component;It mentions The lifting assembly for rising ground wire is mounted at the top of cross-arm, and the fixation kit of fixed lifting assembly covers on cross-arm, with lifting assembly bottom Portion's connection, supports support component one end of fixation kit to connect with fixation kit bottom, the other end is connect with shaft tower tower body inclining It is fixed.
2. a kind of aerial earth wire according to claim 1 installs lifting device, which is characterized in that the lifting assembly includes Support plate, movable pulley, boom hoist cable, suspension hook, promotes motor, spool, motor cabinet and cushion block at fixed pulley;The support plate cloth It sets at the top of cross-arm, two sides are respectively arranged there are two fixed pulley, and bottom is connect with fixation kit;The promotion motor passes through motor Seat is mounted at the top of support plate, and output shaft is connect with spool;Support spool is installed between at the top of the spool and support plate Cushion block;The boom hoist cable arranges two, and every one end connects a fixed pulley, after the other end bypasses movable pulley, through determining cunning Wheel is connect with spool;The suspension hook is arranged on movable pulley.
3. a kind of aerial earth wire according to claim 2 installs lifting device, which is characterized in that also installed on the suspension hook Having can be self-locking from locking plate.
4. a kind of aerial earth wire according to claim 2 installs lifting device, which is characterized in that the fixation kit includes Convex set, intermediate plate and screw rod;Convex set be it is split type, match, be sleeved on cross-arm with the cross section of cross-arm, convex set Distance is less than the length of support plate between two seperated vertical edges, and two seperated tops are connect with support plate respectively, while convex set Two seperated vertical edges have tapped through-hole;The intermediate plate is two, is arranged in convex set, cross-arm two sides; The screw rod is two, has external screw thread, engages with the internal screw thread of through-hole, and each screw rod one end has nuts, and the other end is worn It crosses through-hole to be connected with intermediate plate, rotation nuts adjusts distance between intermediate plate and cross-arm.
5. a kind of aerial earth wire according to claim 4 installs lifting device, which is characterized in that the convex set two is seperated Guide rail is also separately installed between top and support plate bottom, the guide rail at least arranges two, installs along cross-arm length direction.
6. a kind of aerial earth wire according to claim 4 installs lifting device, which is characterized in that convex set bottom is also Spaced two otic placode I, connect tower body by support component respectively thereon.
7. a kind of aerial earth wire according to claim 6 installs lifting device, which is characterized in that the support component includes Hound and anchor ear;The anchor ear arranges two, and for semicircle, both ends are to have hoop ear with through-hole, mutual by hoop ear snail bolt It is fastened on shaft tower tower body;Otic placode II is had on the anchor ear, hound one end is connect with otic placode I, the other end and otic placode II connection.
CN201821893191.9U 2018-11-16 2018-11-16 Aerial earth wire installs lifting device Active CN209456003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821893191.9U CN209456003U (en) 2018-11-16 2018-11-16 Aerial earth wire installs lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821893191.9U CN209456003U (en) 2018-11-16 2018-11-16 Aerial earth wire installs lifting device

Publications (1)

Publication Number Publication Date
CN209456003U true CN209456003U (en) 2019-10-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110729666A (en) * 2019-10-22 2020-01-24 国网辽宁省电力有限公司辽阳供电公司 Top-loading type overhead ground wire mounting and paying-off device
CN111355185A (en) * 2020-03-06 2020-06-30 广东电网有限责任公司 Transmission line straight pole overhead earth wire overhauls support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110729666A (en) * 2019-10-22 2020-01-24 国网辽宁省电力有限公司辽阳供电公司 Top-loading type overhead ground wire mounting and paying-off device
CN111355185A (en) * 2020-03-06 2020-06-30 广东电网有限责任公司 Transmission line straight pole overhead earth wire overhauls support

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