CN210779821U - Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower - Google Patents

Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower Download PDF

Info

Publication number
CN210779821U
CN210779821U CN201922069527.0U CN201922069527U CN210779821U CN 210779821 U CN210779821 U CN 210779821U CN 201922069527 U CN201922069527 U CN 201922069527U CN 210779821 U CN210779821 U CN 210779821U
Authority
CN
China
Prior art keywords
transmission line
ground wire
lifting hook
screw
anticreep
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922069527.0U
Other languages
Chinese (zh)
Inventor
刘宝龙
李守信
王闯
王志鹏
韦秋玲
闻亮
高德雨
赵岗
曲志宇
邹权林
冯强强
黄广锐
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.)
Nanning Bureau of Extra High Voltage Power Transmission Co
Original Assignee
Nanning Bureau of Extra High Voltage Power Transmission Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanning Bureau of Extra High Voltage Power Transmission Co filed Critical Nanning Bureau of Extra High Voltage Power Transmission Co
Priority to CN201922069527.0U priority Critical patent/CN210779821U/en
Application granted granted Critical
Publication of CN210779821U publication Critical patent/CN210779821U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to an electric power system repair tools technical field discloses a device is changed to transmission line shaft tower overhead earth wire lifting mechanism and link fitting, include the Y-shaped mounting, tighten up lead screw and lifting hook, the one end of Y-shaped mounting is provided with U type groove, be provided with fixing bolt on the U type groove, the other end of Y-shaped mounting is connected with the one end of tightening up the lead screw, the other end of tightening up the lead screw is connected the lifting hook, be provided with the anticreep device on the lifting hook, the tip integrated into one piece of lifting hook has the anticreep barb, be provided with on the anticreep device with the opening of anticreep barb. The utility model discloses use fixing bolt to fix the construction hole on overhead earth wire support with the Y-shaped mounting, the lead screw is tightened up in the adjustment, receive and releases the ground wire, and the overhead earth wire of being convenient for promotes and link fitting, ground wire clamp's change makes high altitude construction personnel's work load show and reduces, and operating time reduces work efficiency and shows the improvement.

Description

Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower
Technical Field
The utility model belongs to the technical field of the power system repair tools, especially, relate to a device is changed to transmission line shaft tower overhead earth wire lifting mechanism and link fitting.
Background
At present, in the field of domestic power transmission, the length of a 500kV power transmission line G5 tower type is longer than that of other tower type overhead ground wire connecting fittings, and the original tool for replacing the overhead ground wire connecting fittings and ground wire clamps cannot be used on a G5 tower type. The original method for replacing the overhead ground wire connection fitting generally adopts a hand-operated hoist and a lead screw, and the connection fitting is loosened by tightening the hand-operated hoist and the lead screw and then replaced. However, the contact surfaces of the hand-operated hoist and the lead screw and the overhead ground wire are generally screw rods of the shackle or the lead screw, so that the contact area is small, the joint can generate shearing force to cause invisible damage to the overhead ground wire, the larger the span is, the larger the damage is, and the great potential safety hazard exists. In addition, the method has long time for high-altitude operation, greatly reduces the safety of the high-altitude operation and is not beneficial to field operation.
Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a transmission line shaft tower overhead earth wire lifting mechanism and link fitting change device, it is not enough to have solved prior art.
The embodiment of the utility model is realized like this:
the utility model provides a device is changed to transmission line shaft tower overhead earth wire lifting mechanism and link fitting, includes Y-shaped mounting, tightens up lead screw and lifting hook, the one end of Y-shaped mounting is provided with U type groove, be provided with fixing bolt on the U type groove, the other end of Y-shaped mounting is connected with the one end of tightening up the lead screw, the other end of tightening up the lead screw is connected the lifting hook, be provided with the anticreep device on the lifting hook, the tip integrated into one piece of lifting hook has the anticreep barb, be provided with on the anticreep device with the opening of antic.
Furthermore, the tightening screw rod comprises an outer screw tube, a middle screw tube and an inner screw rod, the inner screw rod is connected in the middle screw tube in a threaded mode, the middle screw tube is connected in the outer screw tube in a threaded mode, the outer screw tube is connected with the fork-shaped fixing part, and the inner screw rod is connected with the lifting hook.
Furthermore, an adjusting handle perpendicular to the axis of the inner screw rod is arranged on the inner screw rod.
Furthermore, the tail end of the adjusting handle is connected with an extension rod.
Furthermore, a first retaining block is arranged at one end part, close to the fork-shaped fixing piece, of the middle wire barrel.
Furthermore, a second retaining block is arranged at one end part, close to the fork-shaped fixing piece, of the outer wire barrel.
The utility model has the advantages that:
the utility model discloses simple structure, convenient operation, safe and reliable uses fixing bolt to fix the construction hole on overhead earth wire support with the Y-shaped mounting, and the lead screw is tightened up in the adjustment, receive and releases the ground wire, does not cause the damage to overhead earth wire, and the 500kV transmission line G5 tower type overhead earth wire of being convenient for promotes and the change of link fitting, ground wire clamp, makes high altitude construction personnel's work load show and reduces, and operating time reduces work efficiency and shows the improvement. Meanwhile, the device is suitable for power failure operation and live-line operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of the utility model provides a transmission line tower overhead ground wire lifter and a connection fitting replacement device;
fig. 2 is the utility model provides a transmission line shaft tower overhead earth wire lifting mechanism and link fitting change device's top view.
Icon: 1-forked fixing piece, 2-tightening screw rod, 3-lifting hook, 4-fixing bolt, 5-first backstop block, 6-second backstop block, 7-adjusting handle, 8-overhead ground wire support, 201-outer wire barrel, 202-middle wire barrel, 203-inner screw rod, 301-anti-falling device and 302-anti-falling barb.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 2, the present embodiment provides a device for replacing an overhead ground wire lifter and a connecting hardware of a power transmission line tower, including a fork-shaped fixing member 1, a tightening screw rod 2 and a hook 3, where the fork-shaped fixing member 1, the tightening screw rod 2 and the hook 3 are all made of a high-strength titanium alloy.
One end of the forked fixing piece 1 is a U-shaped groove, a fixing bolt 4 is connected to the U-shaped groove in a threaded mode, the fixing bolt 4 is perpendicular to a notch of the U-shaped groove, and the other end of the forked fixing piece 1 is welded with the tightening screw rod 2.
The tightening screw rod 2 comprises an outer screw tube 201, a middle screw tube 202 and an inner screw rod 203, the fork-shaped fixing piece 1 is welded with the outer screw tube 201, the inner screw rod 203 is in threaded connection with the middle screw tube 202, after the installation is completed, a first retaining block 5 is welded at one end part of the middle screw tube 202 close to the fork-shaped fixing piece 1, and the middle screw tube 202 and the inner screw rod 201 are prevented from loosening in a loosening state by welding retaining; the middle screw tube 202 is in threaded connection with the inside of the outer screw tube 201, after installation is completed, a second backstop block 6 is welded at the end part, close to the fork-shaped fixing piece 1, of the outer screw tube 201, and the inner screw rod 203 is prevented from loosening under the loosening state of the outer screw tube 201 and the middle screw tube 202 through welding backstop. The inner screw rod 203 is provided with an adjusting handle 7 vertical to the axis of the inner screw rod, the tail end of the adjusting handle 7 is connected with an extension rod through threads, so that labor is saved in adjustment, and one end of the inner screw rod 203, far away from the forked fixing piece 1, is connected with the lifting hook 3 through a pivot.
The pivot articulates on lifting hook 3 has anticreep device 301, and the tip integrated into one piece of lifting hook 3 has anticreep barb 302, be provided with on the anticreep device 301 with the opening of anticreep barb 302 lock joint, when the object on the lifting hook 3 during the outside roll-off, because anticreep barb 302 and anticreep device 301 lock joint block the object roll-off, improved the security of work.
The utility model discloses during the use, hook overhead earth wire with the lifting hook earlier to prevent through anticreep device 301 and anticreep barb 301 that overhead earth wire from droing, then use fixing bolt 4 to pass overhead earth wire support 8's construction hole to install forked mounting 1 on overhead earth wire support 8 and fixed through nut locking, tighten up lead screw 2 through the adjustment at last, tighten up and relax lead screw assembly and play promotion and transfer overhead earth wire, so that change link fitting, ground wire clamp.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Transmission line shaft tower overhead earth wire lifting mechanism and link fitting change device, its characterized in that: including forked fixing member (1), tighten up lead screw (2) and lifting hook (3), the one end of forked fixing member (1) is provided with U type groove, be provided with fixing bolt (4) on the U type groove, the other end of forked fixing member (1) is connected with the one end of tightening up lead screw (2), the other end of tightening up lead screw (2) is connected lifting hook (3), be provided with anticreep device (301) on lifting hook (3), the tip integrated into one piece of lifting hook (3) has anticreep barb (302), be provided with on anticreep device (301) with the opening of anticreep barb (302) lock joint.
2. The transmission line tower overhead ground wire lifter and connecting hardware replacing device of claim 1, characterized in that: the tightening screw rod (2) comprises an outer screw tube (201), a middle screw tube (202) and an inner screw rod (203), the inner screw rod (203) is in threaded connection with the inside of the middle screw tube (202), the middle screw tube (202) is in threaded connection with the inside of the outer screw tube (201), the outer screw tube (201) is connected with the fork-shaped fixing part (1), and the inner screw rod (203) is connected with the lifting hook (3).
3. The transmission line tower overhead ground wire lifter and connecting hardware replacing device of claim 2, characterized in that: an adjusting handle (7) vertical to the axis of the inner screw rod (203) is arranged on the inner screw rod.
4. The transmission line tower overhead ground wire lifter and connecting hardware fitting replacing device of claim 3, characterized in that: the tail end of the adjusting handle (7) is connected with an extension bar.
5. The transmission line tower overhead ground wire lifter and connecting hardware replacing device of claim 2, characterized in that: the middle wire tube (202) is provided with a first retaining block (5) at one end close to the fork-shaped fixing piece (1).
6. The transmission line tower overhead ground wire lifter and connecting hardware replacing device of claim 2, characterized in that: and a second retaining block (6) is arranged at one end part of the outer wire cylinder (201) close to the fork-shaped fixing piece (1).
CN201922069527.0U 2019-11-26 2019-11-26 Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower Active CN210779821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922069527.0U CN210779821U (en) 2019-11-26 2019-11-26 Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922069527.0U CN210779821U (en) 2019-11-26 2019-11-26 Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower

Publications (1)

Publication Number Publication Date
CN210779821U true CN210779821U (en) 2020-06-16

Family

ID=71040321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922069527.0U Active CN210779821U (en) 2019-11-26 2019-11-26 Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower

Country Status (1)

Country Link
CN (1) CN210779821U (en)

Similar Documents

Publication Publication Date Title
CN201584697U (en) Overhead ground wire crossarm clamp used on 500KV transmission line steel tower
CN210779821U (en) Overhead ground wire lifter and connecting hardware replacing device for power transmission line tower
CN110707599A (en) Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag
CN210710366U (en) Lifting hook
CN207470592U (en) A kind of automobile bolt nut locking structure
CN210779816U (en) Electrified repacking instrument of equalizer ring bolt with self-locking function
CN210335949U (en) Novel connecting disc for manipulator
CN214590479U (en) Hardware string for ultra-high voltage transmission line
CN213341574U (en) Electric power overhead line link fitting
CN209871515U (en) Track lock
CN210153069U (en) F-shaped through bolt locking device
CN212781182U (en) Looped netowrk cabinet cable crimping is not real detection device
CN210744602U (en) Replacement device for overhead ground wire single-hanging double-wire clamp of power transmission line
CN213509853U (en) High-strength telegraph pole heightening section
CN211351474U (en) 66KV inner wedge type strain fast wire clamp fixture
CN208204524U (en) A kind of holding screw lock handle
CN202480011U (en) Fast fastening wrench for UT (Unit Test) clip nut for transmission line
CN211127046U (en) Adjustable base for preventing windage yaw of power transmission line
CN212154112U (en) Reusable scaffold wall connecting piece
CN210264116U (en) Integrated insulating support
CN207398720U (en) Grading ring bolt live mends holding tool
CN212653351U (en) Duckbilled adjustable portable wrench
CN214588246U (en) High-voltage electric power fitting for electric power circuit
CN211266394U (en) Energy-saving direction-adjusting U-shaped padlock
CN209999096U (en) Bolt replacing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant