CN110707599A - Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag - Google Patents

Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag Download PDF

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Publication number
CN110707599A
CN110707599A CN201911113693.4A CN201911113693A CN110707599A CN 110707599 A CN110707599 A CN 110707599A CN 201911113693 A CN201911113693 A CN 201911113693A CN 110707599 A CN110707599 A CN 110707599A
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CN
China
Prior art keywords
threaded sleeve
bundle conductor
adjustment
conductor sag
shackles
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
CN201911113693.4A
Other languages
Chinese (zh)
Inventor
罗骋
张孝祖
张梁
王加海
李海顺
訾军
吕金
孙鱇
梅耕宁
王磊
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.)
Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Original Assignee
Kunming Power Supply Bureau of Yunnan 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 Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd filed Critical Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority to CN201911113693.4A priority Critical patent/CN110707599A/en
Publication of CN110707599A publication Critical patent/CN110707599A/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 discloses a special tool for live adjustment of 220kv vertically-arranged double-bundle conductor sag, and aims to provide a special tool for live adjustment of 220kv vertically-arranged double-bundle conductor sag, which can improve the working efficiency. The special tool comprises a regulating device and a protecting device which are matched for use; the adjusting device comprises a threaded sleeve, two screw rods which are screwed at two ends of the threaded sleeve, two first shackles which are respectively connected with the end parts of the two screw rods, and a handle rod which is fixedly arranged in the middle of the threaded sleeve and forms a T shape with the threaded sleeve. The invention has convenient and quick adjustment, can reduce the operation intensity of equipotential staff and reduce the operation time.

Description

Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag
Technical Field
The invention relates to the technical field of power grid construction appliances, in particular to a special tool for adjusting 220kv vertically-arranged double-bundle conductor sag in an electrified manner.
Background
At present, when the sag of a vertically arranged double-split conductor of a 220kV power transmission line is adjusted, power failure operation is adopted. After an operator climbs a tower to an installation position, the chain hoist and a backup steel rope are hoisted and conveyed by a ground electrician and installed by the operator, and the traditional construction method has the defects that: the chain hoist has the advantages that a large number of operators are required, the chain hoist is high in mass and has high requirements on the operators in the installation and removal processes, and when a steel wire rope sleeve is connected with a chain hoist tool, the chain hoist and the steel wire rope sleeve serving as backup protection are long and are both metal tools, so that interphase short circuit is easy to occur when the control is not good, the chain hoist cannot be operated in a live working mode, and the potential safety hazard is greatly caused; and the chain hoist is heavy, and the intensity of labour that the operation personnel carried and operate is very high, and the operation risk is high, and required multiplexer utensil is more, and the operation flow is comparatively complicated, has increased the circuit power off time, reduces the power supply volume.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a special tool for adjusting 220kv vertically-arranged double-split conductor sag in an electrified way, which is light in weight, convenient to carry and capable of improving the working efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a special tool for adjusting 220kv vertically-arranged double-bundle conductor sag in an electrified way comprises a regulating device and a protecting device which are matched; the adjusting device comprises a threaded sleeve, two screw rods which are screwed at two ends of the threaded sleeve, two first shackles which are respectively connected with the end parts of the two screw rods, and a handle rod which is fixedly arranged in the middle of the threaded sleeve and forms a T shape with the threaded sleeve.
Preferably, the protection device comprises a first denim cord lock and two second shackles respectively connected to both ends of the first denim cord lock.
Preferably, one of the first shackles is connected to the corresponding screw by a second dyneema rope knot.
Preferably, it further comprises an extension bar removably attached to the end of the handle bar.
Preferably, the end part of the screw rod for connecting the first shackle is provided with a U-shaped through groove, and the opening part of the through groove is provided with a bolt for connecting the shackles.
Compared with the prior art, the invention has the following advantages:
the arc sag adjusting device can safely and quickly adjust the arc sag of the 220kV vertically-arranged double-bundle conductor under the electrified condition; the dip adjustment work and the lead protection adopt a Dinima rope buckle, so that the risk that a metal tool possibly causes short circuit in live working is eliminated; the invention has the advantages of light structure, convenient and quick adjustment, and can greatly reduce the weight of tools and instruments, reduce the operation intensity of equipotential staff and reduce the operation time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention, in which a related structure of a first shackle and a wire connection is shown.
In the figure: the screw sleeve comprises a screw sleeve 1, a screw rod 2, a first shackle 3, a handle rod 4, a second shackle 5, a first denim rope fastener 6, a through groove 7, a bolt 8, a wire clamping device 9 and a wire 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention. In the following description, for the purpose of clearly illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by way of directional terms, but terms such as "front", "rear", "left", "right", "up", "down", etc. should be construed as words of convenience and should not be construed as limiting terms.
The special tool for regulating 220kv vertically-arranged double-bundle conductor sag with electricity shown in fig. 1 comprises a regulating device and a protecting device which are matched with each other; the adjusting device comprises a threaded sleeve 1, two screw rods 2 screwed at two ends of the threaded sleeve 1, two first shackles 3 respectively connected to the end parts of the two screw rods 2, and a handle rod 4 fixedly arranged in the middle of the threaded sleeve 1 and forming a T shape with the threaded sleeve 1.
As a preferable technical scheme, the protection device comprises a first Dinima rope buckle 6 and two second shackles 5 which are respectively connected to two ends of the first Dinima rope buckle 6, and the protection device is light in weight and has an interphase insulation function. Obviously, the protection device can also adopt the protection device which is common at present.
As a further improvement, one of the first shackles 3 is connected to the corresponding screw rod 2 through a second denyma cord fastener (not shown in the figure), and both ends of the second denyma cord fastener are connected to the corresponding first shackles 3 and screw rods 2 through quick release connectors (such as hanging buckles, etc.), so as to meet the requirement of use when the maximum length of the threaded sleeve 1 plus two screw rods 2 is not enough, and improve the applicability.
As a further improvement, the handle rod also comprises an extension rod (not shown in the figure) which is detachably connected with the end part of the handle rod 4, the extension rod can be connected with the handle rod 4 through a thread structure or a clamping structure, the handle rod is convenient to carry after being detached, and labor can be saved after the handle rod is assembled during use.
In this embodiment, the end of the screw rod 2 for connecting the first shackle 3 is provided with a U-shaped through slot 7, and the mouth of the through slot 7 is provided with a bolt 8 for shackle connection. Obviously, a hanging ring or other structures or components which are convenient for the connection of the first shackle 3 can be fixedly arranged on the end plate of the screw rod 2.
When the 220kv vertically-arranged double-bundle conductor sag adjustment needs to be carried out, an operator carries the special tool to reach an equipotential installation position by climbing a rope ladder, and if more tools need to be carried, the special tool can be hoisted and conveyed by a ground electrician; and then connecting a second shackle at one end of the protection device with a construction hole of the triangular yoke plate, connecting the second shackle at the other end with the wire through a wire clamping device (directly contacting and locking with the wire, which is a stress point of a tool and the wire, and selecting wire clamping devices of different specifications according to the wire diameters of different wires), and finishing the installation of the protection device. Then be connected the first 3 that break out of adjusting device one end with the triangle yoke plate, the first 3 that break out of the other end passes through the fixing-line device and is connected with the wire, after the connection is accomplished, can rotate handle pole 4 and make adjusting device shorten, cause the link atress of triangle yoke plate and wire to relieve, can loosen the connecting piece of triangle yoke plate and wire junction this moment, adjust the hookup location of triangle yoke plate and wire after and fasten the connecting piece, realize the adjustment of wire sag then, after the adjustment is accomplished, can demolish adjusting device and protection device in proper order.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made on the technical solutions or parts of the technical features described in the above embodiments can be included in the scope of protection of the present invention within the spirit and principle of the present invention.

Claims (5)

1. A special tool for adjusting 220kv vertically-arranged double-bundle conductor sag in an electrified way comprises a regulating device and a protecting device which are matched; the method is characterized in that: the adjusting device comprises a threaded sleeve, two screw rods which are screwed at two ends of the threaded sleeve, two first shackles which are respectively connected with the end parts of the two screw rods, and a handle rod which is fixedly arranged in the middle of the threaded sleeve and forms a T shape with the threaded sleeve.
2. The tool special for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag according to claim 1, wherein: the protection device comprises a first Dynima rope fastener and two second shackles which are respectively connected with two ends of the first Dynima rope fastener.
3. The tool special for electrified adjustment of 220kv vertical arrangement double-bundle conductor sag according to claim 1 or 2, characterized in that: one of the first shackles is connected with the corresponding screw rod through a second Dyneema rope buckle.
4. The tool special for electrified adjustment of 220kv vertical arrangement double-bundle conductor sag according to claim 1 or 2, characterized in that: it also includes an extension bar detachably connected to the end of the handle bar.
5. The tool special for electrified adjustment of 220kv vertical arrangement double-bundle conductor sag according to claim 1 or 2, characterized in that: the end part of the screw rod, which is used for connecting the first shackle, is provided with a U-shaped through groove, and the opening part of the through groove is provided with a bolt for connecting the shackles.
CN201911113693.4A 2019-11-14 2019-11-14 Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag Pending CN110707599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911113693.4A CN110707599A (en) 2019-11-14 2019-11-14 Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911113693.4A CN110707599A (en) 2019-11-14 2019-11-14 Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag

Publications (1)

Publication Number Publication Date
CN110707599A true CN110707599A (en) 2020-01-17

Family

ID=69204309

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911113693.4A Pending CN110707599A (en) 2019-11-14 2019-11-14 Special tool for electrified adjustment of 220kv vertically-arranged double-bundle conductor sag

Country Status (1)

Country Link
CN (1) CN110707599A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112134239A (en) * 2020-08-19 2020-12-25 成都理工大学 Overhead ground wire icing sag eliminating device and method
CN112134237A (en) * 2020-08-19 2020-12-25 成都理工大学 Overhead ground wire icing sag eliminating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112134239A (en) * 2020-08-19 2020-12-25 成都理工大学 Overhead ground wire icing sag eliminating device and method
CN112134237A (en) * 2020-08-19 2020-12-25 成都理工大学 Overhead ground wire icing sag eliminating device
CN112134239B (en) * 2020-08-19 2021-11-26 成都理工大学 Overhead ground wire icing sag eliminating device and method

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