CN104821517A - Double-pull-rod wing-shaped lead lifting device - Google Patents

Double-pull-rod wing-shaped lead lifting device Download PDF

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Publication number
CN104821517A
CN104821517A CN201510298339.9A CN201510298339A CN104821517A CN 104821517 A CN104821517 A CN 104821517A CN 201510298339 A CN201510298339 A CN 201510298339A CN 104821517 A CN104821517 A CN 104821517A
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China
Prior art keywords
wing
lifting device
ratchet
pressure reducer
decompressor
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Application number
CN201510298339.9A
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Chinese (zh)
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CN104821517B (en
Inventor
高泽恒
朱长荣
张炳林
张靖
李宝忠
曹文军
郑爽
郭晨晨
张宇
牟建广
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State Grid Corp of China SGCC
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
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State Grid Corp of China SGCC
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
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Abstract

The invention relates to a double-pull-rod wing-shaped lead lifting device which belongs to the technical field of power transmission lines. The technical solution of the double-pull-rod wing-shaped lead lifting device is characterized in that two lead screws which are parallel with each other are connected with a wing-shaped fixture (9) through a fixing plate (7); the lower end of each lead screw (1) is connected with an insulated pull rod (10); the other end of the insulated pull rod (10) is provided with a lead hook (12); the portion of each lead screw (1) above the fixing plate (7) is provided with a decompressor (4) and a ratchet (2); each ratchet (2) is connected with a corresponding lead screw (1) in threaded connection; the decompressor (4) comprises a decompressor upper cover (23) and a decompressor lower cover (24); the decompressor upper cover (23) is internally provided with a bead rack (28); steel beads (27) are arranged on the bead rack (28); and the decompressor upper cover (23) is connected with the decompressor lower cover (24) in threaded connection. The double-pull-rod wing-shaped lead lifting device has beneficial effects of simple structure, convenient use, high safety and high reliability. The double-pull-rod wing-shaped lead lifting device facilitates lifting of a large-cross-section lead and realizes live changing for a linear suspended insulator string.

Description

The wing wire lifting device of duplex pull rod
Technical field
The present invention relates to the wing wire lifting device of a kind of duplex pull rod, especially in the insulation hoisting apparatus of 630 square millimeters and above large-section lead, belong to transmission line equipment technical field.
Background technology
High pressure overhead power line is the important component part of electrical network, which is responsible the effect of transmission of electric energy, in order to improve power delivery ability, usually adopting the method increasing diameter of wire and adopt phase bundle conductor, improving conveying electrical power.After increasing conductor cross-section and employing phase bundle conductor, the weight of wire increases, and vertical load increases, when changing straight line suspension insulator operation, due to the increase of wire vertical load, and the mechanical load also corresponding increase of lifting lead wire Work tool used.Change the operation of straight line suspension insulator and be divided into have a power failure replacing and charged for replacement two kinds of modes.Have a power failure replacing straight line suspension insulator, and usual chain block or the Hand operating hoist of using, as the specific purpose tool of lifting lead wire, plays greatly chain block or the Hand operating hoist of heavy load, can meet the heavy load after the increase of wire vertical load.Electrified replacing linear suspension insulator, uses tackle pulley or screw mandrel and insulation pulling plate (pipe) as lifting lead wire specific purpose tool usually.The screw mandrel of tackle pulley and single group and insulation pulling plate (pipe) are only suitable for the lifting work of Smaller load, and be not suitable for the hoisting operation of large load, especially for 630 square millimeters and with upper conductor, it plays heavy load and cannot meet the demands.When straight line suspension insulator is damaged or flashover needs to change, owing to there is no specific purpose tool, can not live line working be carried out, can only have a power failure and change.Ultra-high-tension power transmission line has a power failure, and has not only had a strong impact on the reliability of power supply, has decreased the electricity sales amount of power supply enterprise simultaneously, cause user and power supply enterprise all to suffer huge economic loss.
Summary of the invention
The object of the invention is to provide the wing wire lifting device of a kind of duplex pull rod, when circuit is charged, conveniently can promote large-section lead, realize electrified replacing linear suspension insulator, solves Problems existing in background technology.
Technical scheme of the present invention is:
The wing wire lifting device of a kind of duplex pull rod, comprise screw mandrel, ratchet, rocking handle, pressure reducer, fixed head, wing shaped clamp, insulated tension pole and wire hook, two screw mandrels be parallel to each other are connected with wing shaped clamp by fixed head, fixed head and wing shaped clamp are in the trench structure cooperatively interacted, screw mandrel lower end is connected with insulated tension pole, the other end of insulated tension pole is provided with wire hook, screw mandrel above fixed head is provided with pressure reducer and ratchet successively, ratchet is connected with wire rod thread, described pressure reducer comprises pressure reducer upper cover and lower cover of decompressor, pearl frame is provided with in pressure reducer upper cover, pearl frame is provided with steel ball, pressure reducer upper cover and lower cover of decompressor are threaded, described ratchet comprises ratchet shaft and circular frame, circular frame is provided with outside ratchet shaft, circular frame is fixedly connected with rocking handle.
Also be provided with commutation in the circular frame of described ratchet to grab, commutation is grabbed and is contacted with ratchet shaft.
Described commutation packet capturing is containing at the bottom of left wing, right wing and wing, and at the bottom of left wing, wing, right wing is integrally formed, successively in swallowtail shape.
Described ratchet shaft is cylindrical, and outside is provided with gear, and inner side is connected with wire rod thread.
The lower end of described insulated tension pole is provided with multiple adjustment hole, and described wire hook is fish hook shape.
Be provided with accumulator tank in described pressure reducer upper cover, pearl is erected in accumulator tank.
Adopt the present invention, shake rocking handle clockwise, ratchet moves down gradually on screw mandrel, and screw mandrel is raised gradually, drives insulated tension pole by lifting wire.After wire rises, insulator string relaxes, and takes the connection of insulator string and wire, more renews insulator string.After new replacing insulator string, shake rocking handle counterclockwise, screw mandrel declines gradually, and wire declines thereupon and sets back, and replacing insulator string completes.
The invention has the beneficial effects as follows: structure is simple, easy to use, safe and reliable, when circuit is charged, conveniently can promote large-section lead, realize electrified replacing linear suspension insulator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is wing shaped clamp structural representation of the present invention;
Fig. 3 is ratchet structure schematic diagram of the present invention;
Fig. 4 is spring top bead mounting structure schematic diagram of the present invention;
Fig. 5 is pressure reducer structural representation of the present invention;
Fig. 6 is pressure reducer decomposition texture schematic diagram of the present invention;
Fig. 7 is pressure reducer superstructure schematic diagram of the present invention;
Fig. 8 is fixed plate structure schematic diagram of the present invention;
Fig. 9 is that the present invention commutates and grabs structural representation;
Figure 10 is that the present invention uses schematic diagram;
In figure: screw mandrel 1, ratchet 2, rocking handle 3, pressure reducer 4, stiffener bolt 5, center set bolt 6, fixed head 7, connecting bolt 8, wing shaped clamp 9, insulated tension pole 10, adjustment hole 11, wire hook 12, hook bolt 13, lateral opening 14, side opening 15, centre bore 16, stiffener 17, ratchet shaft 18, ratchet shaft through hole 19, reversible claw 20, spring top bead 21, pressure reducer through hole 22, pressure reducer upper cover 23, lower cover of decompressor 24, upper cover external screw thread 25, flat shim 26, steel ball 27, pearl frame 28, ratchet shaft perforation 29, lower cover internal thread 30, holding tank 31, fixing hole 32, left wing 33, right wing 34, at the bottom of wing 35.
Embodiment
Below in conjunction with accompanying drawing, by example, the invention will be further described.
With reference to accompanying drawing 1-9, the wing wire lifting device of a kind of duplex pull rod, comprise screw mandrel 1, ratchet 2, rocking handle 3, pressure reducer 4, fixed head 7, wing shaped clamp 9, insulated tension pole 10 and wire hook 12, two screw mandrels be parallel to each other 1 are connected with wing shaped clamp 9 by fixed head 7, fixed head 7 and wing shaped clamp 9 are in the trench structure cooperatively interacted, screw mandrel 1 lower end is connected with insulated tension pole 10, the other end of insulated tension pole 10 is provided with wire hook 12, screw mandrel 1 above fixed head 7 is provided with successively pressure reducer 4 and ratchet 2, ratchet 2 is threaded with screw mandrel 1, described pressure reducer 4 comprises pressure reducer upper cover 23 and lower cover of decompressor 24, pearl frame 28 is provided with in pressure reducer upper cover 23, pearl frame 28 is provided with steel ball 27, pressure reducer upper cover 23 and lower cover of decompressor 24 are threaded, described ratchet 2 comprises ratchet shaft 18 and circular frame, circular frame is provided with outside ratchet shaft 18, circular frame is fixedly connected with rocking handle 3.
In the present embodiment:
With reference to accompanying drawing 1, screw mandrel 1 is made for high strength steel, upper end to root with external screw thread, lower end root with U-shaped groove, for being connected with insulated tension pole 10.Insulated tension pole 10 is made up of insulating material, and upper end is with metal connector, and lower end, with multiple adjustment hole 11, links up with 12 for installation and adjustment plain conductor.Wire hook 12 is made up of aluminum alloy materials, in fish hook shape, is fixed on the adjustment hole 11 of insulated tension pole 10 bottom with hook bolt 13.
With reference to accompanying drawing 2, wing shaped clamp 9 is made up of Steel material, in grooved, with lateral opening 14, side opening 15, centre bore 16.Stiffener 17, is made up of Steel material, is rectangle, and is fixed on wing shaped clamp 9 both sides with stiffener bolt 5 through side opening 15.
With reference to accompanying drawing 3, ratchet 2 is made up of high strength steel material, and be divided into inside and outside two-layer, internal layer is ratchet shaft 18, and skin is circular frame, and circular frame and rocking handle 3 are integrated.Ratchet shaft 18 is made up of high strength steel material, cylindrical, and outside is with gear, and center is ratchet shaft through hole 19, and with the internal thread adapted with screw mandrel 1.Also be provided with commutation in the circular frame of ratchet 2 and grab 20, with reference to accompanying drawing 9, commutation is grabbed 20 and is contacted with ratchet shaft 18.Reversible claw 20 is made up of Steel material, in swallowtail shape, comprises left wing 33, right wing 34, at the bottom of wing 35.
With reference to accompanying drawing 4, spring top bead 21 is made up of Steel material, is arranged on ratchet 2 root, has a spring under it.
With reference to accompanying drawing 5-7, pressure reducer 4 is made for Steel material, and comprise pressure reducer upper cover 23, lower cover of decompressor 24, flat shim 26, steel ball 27, pearl frame 28, flat shim 26, pearl frame 28 can be put in holding tank 31.
With reference to accompanying drawing 8, fixed head 7 is made up of Steel material, in grooved, middle with fixing hole 32.
During use, first wing for duplex pull rod wire lifting device is assembled on ground, assemble method is for upwards to be passed screw mandrel 1 upper end by lateral opening 14 lower ends, the fixing hole 32 of fixed head 7 is penetrated on the screw mandrel 1 exposed, the two ends of fixed head 7 are made to be buckled in outside stiffener 17, again the pressure reducer through hole 22 of pressure reducer 4 is penetrated on screw mandrel 1, pressure reducer upper cover 23 is made to be positioned at fixed head 7 side, ratchet shaft through hole 19 on ratchet 2 is aimed at screw mandrel 1, rotate clockwise, the external screw thread of screw mandrel 1 enters in the internal thread of ratchet shaft through hole 19.Then, wing for duplex pull rod wire lifting device is reached tower upper conductor cross-arm place with circulating transfer rope by surface personnel, on tower, staff is placed on wing shaped clamp 9 above the cross-arm angle steel of insulator string side, make wing shaped clamp 9 vertical with angle steel, fixed head 7 is placed on below cross-arm angle steel, fixes through fixing hole 32, centre bore 16 with center set bolt 6.Insulated tension pole 10 is passed on tower with circulating transfer rope by surface personnel, and on tower, staff connects in screw mandrel lower end with connecting bolt 8.Wire is also suspended to after in hook by the position of equal potential working personnel adjustment wire hook 12, on tower, staff is by bottom left wing 33, make the engaged gears of the left wing apex of the wing and ratchet shaft 18, shake two groups of rocking handles 3 clockwise simultaneously, ratchet shaft 18 projection enter into ratchet shaft perforation 29 in and push down flat shim 26, steel ball 27 turns clockwise under the effect of ratchet shaft 18 pressure in pearl frame 28, plays and reduces handle pressure effect.Along with the rotation of rocking handle 3, ratchet 2 moves down gradually on screw mandrel 1, and the pressure reducer upper cover 23 of pressure reducer 4 withstands the fixing hole 32 of fixed head 7, and pressure reducer is not moving down, and is rotated further rocking handle 3, and screw mandrel 1 is raised gradually, drives insulated tension pole by lifting wire.After wire rises, insulator string relaxes, and takes the connection of insulator string and wire, more renews insulator string.After new replacing insulator string, by bottom right wing 34, the engaged gears of the right wing apex of the wing and ratchet shaft 18, the left wing apex of the wing separates with the gear of ratchet shaft 18, counterclockwise shake rocking handle 3, and screw mandrel 1 declines gradually, and wire declines thereupon and sets back, and replacing insulator string completes.Finally remove, under reaching tower with circulating transfer rope by installing the contrary program of the wing wire lifting device of duplex pull rod.

Claims (6)

1. the wing wire lifting device of duplex pull rod, it is characterized in that comprising screw mandrel (1), ratchet (2), rocking handle (3), pressure reducer (4), fixed head (7), wing shaped clamp (9), insulated tension pole (10) and wire hook (12), two screw mandrels be parallel to each other (1) are connected with wing shaped clamp (9) by fixed head (7), fixed head (7) and wing shaped clamp (9) are in the trench structure cooperatively interacted, screw mandrel (1) lower end is connected with insulated tension pole (10), the other end of insulated tension pole (10) is provided with wire hook (12), the screw mandrel (1) of fixed head (7) top is provided with pressure reducer (4) and ratchet (2) successively, ratchet (2) is threaded with screw mandrel (1), described pressure reducer (4) comprises pressure reducer upper cover (23) and lower cover of decompressor (24), pearl frame (28) is provided with in pressure reducer upper cover (23), pearl frame (28) is provided with steel ball (27), pressure reducer upper cover (23) and lower cover of decompressor (24) are threaded, described ratchet (2) comprises ratchet shaft (18) and circular frame, ratchet shaft (18) outside is provided with circular frame, circular frame is fixedly connected with rocking handle (3).
2. the wing wire lifting device of duplex pull rod according to claim 1, is also provided with commutation in the circular frame that it is characterized in that described ratchet (2) and grabs (20), and commutation is grabbed (20) and contacted with ratchet shaft (18).
3. the wing wire lifting device of duplex pull rod according to claim 2, it is characterized in that described commutation is grabbed (20) and comprised at the bottom of left wing (33), right wing (34) and wing (35), at the bottom of left wing (33), wing, (35), right wing (34) are integrally formed, successively in swallowtail shape.
4. the wing wire lifting device of duplex pull rod according to claim 2, it is characterized in that described ratchet shaft (18) is cylindrical, outside is provided with gear, and inner side is threaded with screw mandrel (1).
5. the wing wire lifting device of duplex pull rod according to claim 1, it is characterized in that the lower end of described insulated tension pole (10) is provided with multiple adjustment hole (11), described wire hook (12) is in fish hook shape.
6. the wing wire lifting device of duplex pull rod according to claim 1, it is characterized in that being provided with accumulator tank (31) in described pressure reducer upper cover (23), pearl frame (28) is located in accumulator tank (31).
CN201510298339.9A 2015-06-03 2015-06-03 The wing wire lifting device of duplex pull rod Active CN104821517B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186366A (en) * 2015-09-21 2015-12-23 云南电网有限责任公司普洱供电局 Vertical double-hanging clamp
CN105449579A (en) * 2015-12-14 2016-03-30 国家电网公司 Novel lifting tool for overhead line of 500kV transmission line
CN106329389A (en) * 2016-10-27 2017-01-11 国网浙江省电力公司绍兴供电公司 Hoisting device for large-tonnage live wire
CN106786143A (en) * 2016-12-15 2017-05-31 云南电网有限责任公司带电作业分公司 The wire fixing device of distribution line indirect operating method charged for replacement ceramics cross-arm
CN109904785A (en) * 2019-02-28 2019-06-18 国网福建省电力有限公司 The line lifter and its working method of the double string composite insulators of electrified replacing linear
CN109941911A (en) * 2019-04-01 2019-06-28 安徽工程大学 A kind of novel double-screw formula lifter
CN115149455A (en) * 2022-05-13 2022-10-04 国网江苏省电力有限公司超高压分公司 Tool and method for replacing tension insulator of extra-high voltage line

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JP2000050442A (en) * 1998-07-24 2000-02-18 Tsuken:Kk Pulling device for rope
CN203787855U (en) * 2014-03-27 2014-08-20 国家电网公司 Power transmission line linear charged wire lifting device
CN104332884A (en) * 2014-09-18 2015-02-04 云南电网公司红河供电局 Wire lifter for replacement of linear string insulator
CN204167793U (en) * 2014-11-10 2015-02-18 云南电网公司带电作业分公司 Straight line steel tube tower side, double loop cross-arm jig
CN204258157U (en) * 2014-12-18 2015-04-08 国家电网公司 Composite insulator string Special-purpose lifting device
CN204304320U (en) * 2015-01-23 2015-04-29 国网四川省电力公司成都供电公司 A kind of wire list insulator string changes bont
CN204615264U (en) * 2015-06-03 2015-09-02 国网冀北电力有限公司唐山供电公司 The wing wire lifting device of duplex pull rod

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000050442A (en) * 1998-07-24 2000-02-18 Tsuken:Kk Pulling device for rope
CN203787855U (en) * 2014-03-27 2014-08-20 国家电网公司 Power transmission line linear charged wire lifting device
CN104332884A (en) * 2014-09-18 2015-02-04 云南电网公司红河供电局 Wire lifter for replacement of linear string insulator
CN204167793U (en) * 2014-11-10 2015-02-18 云南电网公司带电作业分公司 Straight line steel tube tower side, double loop cross-arm jig
CN204258157U (en) * 2014-12-18 2015-04-08 国家电网公司 Composite insulator string Special-purpose lifting device
CN204304320U (en) * 2015-01-23 2015-04-29 国网四川省电力公司成都供电公司 A kind of wire list insulator string changes bont
CN204615264U (en) * 2015-06-03 2015-09-02 国网冀北电力有限公司唐山供电公司 The wing wire lifting device of duplex pull rod

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186366A (en) * 2015-09-21 2015-12-23 云南电网有限责任公司普洱供电局 Vertical double-hanging clamp
CN105449579A (en) * 2015-12-14 2016-03-30 国家电网公司 Novel lifting tool for overhead line of 500kV transmission line
CN106329389A (en) * 2016-10-27 2017-01-11 国网浙江省电力公司绍兴供电公司 Hoisting device for large-tonnage live wire
CN106329389B (en) * 2016-10-27 2018-04-10 国网浙江省电力公司绍兴供电公司 A kind of lifting device of large-tonnage live wire
CN106786143A (en) * 2016-12-15 2017-05-31 云南电网有限责任公司带电作业分公司 The wire fixing device of distribution line indirect operating method charged for replacement ceramics cross-arm
CN109904785A (en) * 2019-02-28 2019-06-18 国网福建省电力有限公司 The line lifter and its working method of the double string composite insulators of electrified replacing linear
CN109941911A (en) * 2019-04-01 2019-06-28 安徽工程大学 A kind of novel double-screw formula lifter
CN115149455A (en) * 2022-05-13 2022-10-04 国网江苏省电力有限公司超高压分公司 Tool and method for replacing tension insulator of extra-high voltage line

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