CN110571704A - Tool and method suitable for disassembling B-phase drainage line insulator of strain tower - Google Patents

Tool and method suitable for disassembling B-phase drainage line insulator of strain tower Download PDF

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Publication number
CN110571704A
CN110571704A CN201910818215.7A CN201910818215A CN110571704A CN 110571704 A CN110571704 A CN 110571704A CN 201910818215 A CN201910818215 A CN 201910818215A CN 110571704 A CN110571704 A CN 110571704A
Authority
CN
China
Prior art keywords
insulator
clamping
rod body
phase
disassembling
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.)
Pending
Application number
CN201910818215.7A
Other languages
Chinese (zh)
Inventor
聂刚
李克明
陈友坤
侯永洪
庄红军
彭进
何阳健
陈杰
钟以平
刘峰海
聂晶
张坤
莫刚
邱万洪
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.)
Guizhou Power Grid Co Ltd
Original Assignee
Guizhou Power Grid Co Ltd
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 Guizhou Power Grid Co Ltd filed Critical Guizhou Power Grid Co Ltd
Priority to CN201910818215.7A priority Critical patent/CN110571704A/en
Publication of CN110571704A publication Critical patent/CN110571704A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Abstract

the invention provides a tool and a dismounting method suitable for dismounting a B-phase lead wire insulator of a strain tower, wherein the tool comprises the following components: the ground wire clamping device comprises a rod body part, a clamping part and a hook part, wherein the clamping part is used for being connected with a ground wire cross arm, the clamping part is movably connected with the first end of the rod body part along the axis direction of the rod body part, the hook part is connected with the second end of the rod body part, the hook part is detachably connected with a B-phase streamline supporting pipe, and the clamping rod body part is moved to drive the clamping part and the hook part to be away from or close to each other along the axis direction of the rod body part. The tool and the dismounting method can keep the horizontal distance between the B-phase lead wire support tube and the tower unchanged, avoid the problem of support tube swing when the insulator is replaced in a live-line manner, ensure the safety distance between workers and the tower, and improve the safety and the working efficiency of power maintenance operation.

Description

tool and method suitable for disassembling B-phase drainage line insulator of strain tower
Technical Field
the invention relates to the field of power maintenance tools, in particular to a tool and a method suitable for disassembling and replacing a B-phase lead wire insulator of a strain tower.
Background
When the B-phase drainage wire insulator of the strain tower is replaced in an electrified manner, the B-phase drainage wire supporting pipe can swing, and the safety distance of the tower body is insufficient to cause discharging, so that accidents are caused. In order to prevent the problems, a tool special for replacing the B-phase drainage line insulator of the strain tower is developed, and the safe and convenient replacement of the insulator is urgently needed in the technical field of the current power grid.
Disclosure of Invention
The invention mainly aims to provide a tool suitable for disassembling a B-phase current-leading wire insulator of a strain tower, so as to solve the problem that the insulator is easy to get an electric shock accident when being disassembled in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a tool for disassembling a B-phase streamline insulator of a strain tower, including: a lever portion; the clamping part is used for being connected with the ground wire cross arm and movably connected with the first end of the rod body part along the axial direction of the rod body part; and the hook part is connected with the second end of the rod body part, detachably connected with the B-phase flow guide line supporting pipe, and moved to drive the clamping part and the hook part to be away from or close to each other along the axis direction of the rod body part.
Further, the clamping part is connected with the first end of the rod body part through a screw rod assembly, and the screw rod assembly is operated to enable the rod body part to move relative to the clamping part.
Further, the clamping portion includes: the fixed base is provided with an accommodating space, and the screw rod assembly is positioned in the accommodating space; the clamping piece is movably connected with the fixed foundation through a bolt, and a clamping space for clamping the ground wire cross arm is arranged between the clamping piece and the fixed foundation.
further, the lead screw assembly includes: the nut is fixed in the accommodating space; the screw rod is rotationally connected with the nut in a matched mode, the first end of the screw rod is an operation end, and the second end of the screw rod is connected with the rod body.
further, the first end of the screw rod is provided with a handle, and the axis of the handle is perpendicular to the axis of the screw rod.
further, the body of rod portion includes: the first rod body part is connected with the second end of the screw rod; the second rod body part is detachably connected with the first rod body part.
Furthermore, a plurality of first connecting holes are formed in the first rod body portion, the first connecting holes are arranged at intervals along the axis of the first rod body portion, a plurality of second connecting holes are formed in the second rod body portion, the second connecting holes are arranged at intervals along the axis of the second rod body portion, and the first connecting holes and the second connecting holes are selectively connected.
Further, the hook is rotatably connected with the second end of the lever body.
According to another aspect of the invention, a method for disassembling an insulator is provided, which is implemented based on the above tool suitable for disassembling and replacing a strain tower B-phase streamline insulator, and comprises the following steps: connecting the clamping part with the ground wire cross arm, and hanging the hook part on the B-phase drainage wire supporting pipe; rotating the screw rod assembly along a first direction to enable the hook part to drive the B-phase drainage line supporting tube to move upwards so as to prevent the insulator from being subjected to the gravity of the B-phase drainage line supporting tube; disassembling the insulator and replacing the insulator with a new one; rotating the screw rod assembly along a second direction to enable the hook part to drive the B-phase drainage line supporting pipe to move downwards so as to enable a new insulator to bear the gravity of the B-phase drainage line supporting pipe, wherein one of the first direction and the second direction is clockwise, and the other one of the first direction and the second direction is anticlockwise; the clamping part is separated from the ground wire cross arm.
By applying the technical scheme of the invention, the clamping part is fixed on the ground wire cross arm, the hook part is hung on the B-phase drainage line supporting tube, and the clamping part and the hook part are separated along the axial direction of the rod body part by moving the rod body part, so that the horizontal distance between the B-phase drainage line supporting tube and the tower is kept unchanged, the problem of swinging of the supporting tube when the insulator is replaced in a charged mode is avoided, the safety distance between workers and the tower is ensured, and the safety and the working efficiency of power maintenance operation are improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of an embodiment of the tool suitable for disassembling a B-phase streamline insulator of a strain tower according to the invention.
Fig. 2 is another view of the tool suitable for disassembling the B-phase streamline insulator of the strain tower shown in fig. 1.
Wherein the figures include the following reference numerals:
10. A lever portion; 11. a first lever body portion; 12. a second shaft portion;
20. A clamping portion; 21. fixing a foundation; 22. a clamping member;
30. A hook portion;
40. a lead screw assembly.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Specifically, as shown in fig. 1 and fig. 2, a frock suitable for strain insulator tower B looks streamline insulator dismantles includes: the ground wire cross arm comprises a rod body part 10, a clamping part 20 and a hook part 30, wherein the clamping part 20 is used for being connected with a ground wire cross arm, the clamping part 20 is movably connected with a first end of the rod body part 10 along the axial direction of the rod body part 10, the hook part 30 is connected with a second end of the rod body part 10, the hook part 30 is detachably connected with a B-phase flow guiding line supporting pipe, and the clamping rod body part 10 is moved to drive the clamping part 20 and the hook part 30 to be away from or close to each other along the axial direction of the rod body part 10.
in this embodiment, through being fixed in the clamping part on the ground wire cross arm, the couple portion hangs on B looks streamline stay tube, makes clamping part and couple portion follow the axis direction phase separation of shaft part through the mobile pole body portion, sets up like this and makes B looks streamline stay tube and shaft tower horizontal distance remain unchanged, has avoided when changing the insulator live the stay tube wobbling problem and ensured the safe distance of workman with the shaft tower, has improved power maintenance operation security and work efficiency.
Further, the clamping portion 20 is connected to the first end of the body portion 10 through a lead screw assembly 40, and the lead screw assembly 40 is operated to move the body portion 10 relative to the clamping portion 20. The clamping part 20 and the hook part 30 move relatively close to each other by operating the screw rod assembly, so that the insulator is not stretched by the gravity of the B-phase streamline support pipe, the support pipe is prevented from swinging, and the safety performance of replacing the insulator is improved.
in the present embodiment, the clamping portion 20 includes: fixed basis 21 and holder 22, fixed basis 21 has accommodation space, and lead screw assembly 40 is located accommodation space, and holder 22 is connected through the bolt is movable with fixed basis 21, has the centre gripping space of centre gripping ground wire cross arm between holder 22 and the fixed basis 21. The arrangement is convenient for fixing the tool on the ground wire cross arm through the fixed foundation 21 and the clamping piece 22, and the tool is prevented from shaking.
Wherein, lead screw assembly 40 includes: nut and screw rod, the nut is fixed in the accommodation space, and the screw rod is rotationally connected with the nut cooperation, and the first end of screw rod is the operation end, and the second end of screw rod is connected with body of rod portion 10.
in this embodiment, the first end of the screw has a handle, and the axis of the handle is perpendicular to the axis of the screw. Set up like this and be convenient for the workman through handle operation lead screw assembly, reduced the amount of labour.
Further, the rod body portion 10 includes: a first body portion 11 and a second body portion 12, the first body portion 11 being connected to the second end of the screw, the second body portion 12 being detachably connected to the first body portion 11. So that the worker can select an appropriate length of the rod body 10.
Preferably, the first body portion 11 is provided with a plurality of first connection holes spaced along an axis of the first body portion 11, the second body portion 12 is provided with a plurality of second connection holes spaced along an axis of the second body portion 12, and the first connection holes and the second connection holes are selectively connected. The length of the first rod part 11 and the length of the second rod part 12 are controlled to be a new length by a worker according to the actual situation, so that the insulator is not stretched by the gravity of the B-phase lead line support tube, the support tube is prevented from swinging, and the safety performance of replacing the insulator is improved.
In this embodiment, the hook is rotatably connected to the second end of the rod 10. The hook is convenient to arrange, and can be connected with the B-phase streamline support pipe with multiple degrees of freedom, so that the connection convenience is improved.
According to another aspect of the present invention, a method for disassembling an insulator is provided, where the method for disassembling a fixture suitable for disassembling a B-phase streamline insulator of a strain tower is implemented based on the foregoing embodiment, and includes: connecting the clamping part 20 with the ground wire cross arm, and hanging the hook part on the B-phase drainage wire supporting pipe; rotating the screw assembly 40 in a first direction to make the hook portion 30 drive the B-phase streamline support tube to move upwards so as to prevent the insulator from being subjected to the gravity of the B-phase streamline support tube; disassembling the insulator and replacing the insulator with a new one; rotating the screw assembly 40 in a second direction to make the hook portion 30 drive the B-phase streamline support pipe to move downwards so that the new insulator bears the gravity of the B-phase streamline support pipe, wherein one of the first direction and the second direction is clockwise, and the other one is counterclockwise; separating the clip 20 from the ground cross-arm.
when the strain tower B-phase drainage line insulator of the power transmission line needs to be replaced in an electrified manner, the tool is installed on a ground wire cross arm, the clamping portion clamps the ground wire cross arm, the hook portion hooks the B-phase drainage line supporting tube, the lead screw is tightened, the hook portion is driven to generate vertical upward displacement, a hanging point on the insulator is free of stress, a new insulator is replaced and installed, the lead screw is loosened after the replacement, the supporting tube and the newly installed insulator generate vertical downward displacement simultaneously, and after the stress of the hanging point on the insulator is in place, the installation tool is removed, and the strain tower B-phase drainage line insulator is replaced.
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 (9)

1. The utility model provides a frock suitable for strain insulator tower B looks streamline insulator is dismantled which characterized in that includes:
A lever body portion (10);
The clamping part (20) is used for being connected with a ground wire cross arm, and the clamping part (20) is movably connected with the first end of the lever body part (10) along the axial direction of the lever body part (10);
The clamping device comprises a hook part (30), the hook part (30) is connected with the second end of the rod body part (10), the hook part (30) is detachably connected with a B-phase flow line supporting pipe, and the clamping rod body part (10) is moved to drive the clamping part (20) and the hook part (30) to move away from or close to each other in the axis direction of the rod body part (10).
2. the tooling for disassembling the B-phase lead wire insulator of the strain tower according to claim 1, wherein the clamping portion (20) is connected with the first end of the rod body portion (10) through a lead screw assembly (40), and the lead screw assembly (40) is operated to move the rod body portion (10) relative to the clamping portion (20).
3. the tooling applicable to the disassembly of the B-phase streamline insulator of the strain tower as recited in claim 2, wherein the clamping part (20) comprises:
A fixed base (21), wherein the fixed base (21) is provided with an accommodating space, and the screw rod assembly (40) is positioned in the accommodating space;
the ground wire cross arm fixing device comprises a clamping piece (22), wherein the clamping piece (22) is movably connected with the fixed foundation (21) through a bolt, and a clamping space for clamping the ground wire cross arm is arranged between the clamping piece (22) and the fixed foundation (21).
4. The tooling applicable to the disassembly of the B-phase lead wire insulator of the strain tower according to claim 3, wherein the lead screw assembly (40) comprises:
The nut is fixed in the accommodating space;
The screw rod is rotatably connected with the nut in a matched mode, the first end of the screw rod is an operation end, and the second end of the screw rod is connected with the rod body portion (10).
5. The tool suitable for disassembling the B-phase streamline insulator of the strain tower as claimed in claim 4, wherein the first end of the screw rod is provided with a handle, and an axis of the handle is perpendicular to an axis of the screw rod.
6. The tooling applicable to the disassembly of the B-phase streamline insulator of the strain tower as recited in claim 4, wherein the rod body part (10) comprises:
A first body portion (11), the first body portion (11) being connected to a second end of the screw;
A second stem portion (12), the second stem portion (12) being detachably connected with the first stem portion (11).
7. the tool suitable for disassembling the B-phase flow guide insulator of the strain tower according to claim 6, wherein a plurality of first connecting holes are formed in the first rod body portion (11), the plurality of first connecting holes are arranged at intervals along an axis of the first rod body portion (11), a plurality of second connecting holes are formed in the second rod body portion (12), the plurality of second connecting holes are arranged at intervals along an axis of the second rod body portion (12), and the first connecting holes and the second connecting holes are selectively connected.
8. the tool for disassembling the B-phase streamline insulator of the strain tower as recited in claim 1, wherein the hook part (30) is rotatably connected with the second end of the rod body part (10).
9. an insulator disassembling method is implemented by the tool suitable for disassembling the B-phase streamline insulator of the strain tower according to any one of claims 1 to 8, and the disassembling method comprises the following steps:
connecting the clamping part (20) with the ground wire cross arm, and hanging the hook part on the B-phase drainage wire supporting pipe;
Rotating the screw rod assembly (40) along a first direction to enable the hook portion (30) to drive the B-phase drainage line supporting pipe to move upwards so as to prevent the insulator from being subjected to the gravity of the B-phase drainage line supporting pipe;
Disassembling the insulator and replacing the insulator with a new one;
Rotating the screw rod assembly (40) along a second direction to enable the hook portion (30) to drive the B-phase drainage line supporting pipe to move downwards so as to enable a new insulator to bear the gravity of the B-phase drainage line supporting pipe, wherein one of the first direction and the second direction is clockwise, and the other direction is anticlockwise;
The clamping part (20) is separated from the ground wire cross arm.
CN201910818215.7A 2019-08-30 2019-08-30 Tool and method suitable for disassembling B-phase drainage line insulator of strain tower Pending CN110571704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910818215.7A CN110571704A (en) 2019-08-30 2019-08-30 Tool and method suitable for disassembling B-phase drainage line insulator of strain tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910818215.7A CN110571704A (en) 2019-08-30 2019-08-30 Tool and method suitable for disassembling B-phase drainage line insulator of strain tower

Publications (1)

Publication Number Publication Date
CN110571704A true CN110571704A (en) 2019-12-13

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Application Number Title Priority Date Filing Date
CN201910818215.7A Pending CN110571704A (en) 2019-08-30 2019-08-30 Tool and method suitable for disassembling B-phase drainage line insulator of strain tower

Country Status (1)

Country Link
CN (1) CN110571704A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070252122A1 (en) * 2001-06-11 2007-11-01 Daewon Electric Co. Ltd. Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supply
CN201440584U (en) * 2009-06-11 2010-04-21 华北电力科学研究院有限责任公司 Ground potential replacement device for tension tower insulators and accessories in power transmission line
CN104538891A (en) * 2014-12-15 2015-04-22 国家电网公司 Line outgoing method of composite insulator
CN205159913U (en) * 2015-11-26 2016-04-13 云南电网有限责任公司带电作业分公司 Wire lifting hook with adjustable length
CN205355675U (en) * 2016-01-25 2016-06-29 国网福建省电力有限公司泉州供电公司 Suspension insulator changes device
CN205646622U (en) * 2016-01-25 2016-10-12 国网福建省电力有限公司泉州供电公司 Device is changed to modified insulator
CN205666535U (en) * 2016-06-07 2016-10-26 国家电网公司 Transmission line steel pipe tower electrified conducting wire promotes fixture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070252122A1 (en) * 2001-06-11 2007-11-01 Daewon Electric Co. Ltd. Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supply
CN201440584U (en) * 2009-06-11 2010-04-21 华北电力科学研究院有限责任公司 Ground potential replacement device for tension tower insulators and accessories in power transmission line
CN104538891A (en) * 2014-12-15 2015-04-22 国家电网公司 Line outgoing method of composite insulator
CN205159913U (en) * 2015-11-26 2016-04-13 云南电网有限责任公司带电作业分公司 Wire lifting hook with adjustable length
CN205355675U (en) * 2016-01-25 2016-06-29 国网福建省电力有限公司泉州供电公司 Suspension insulator changes device
CN205646622U (en) * 2016-01-25 2016-10-12 国网福建省电力有限公司泉州供电公司 Device is changed to modified insulator
CN205666535U (en) * 2016-06-07 2016-10-26 国家电网公司 Transmission line steel pipe tower electrified conducting wire promotes fixture

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Application publication date: 20191213