CN112864939A - Tool for replacing damper of power transmission line - Google Patents

Tool for replacing damper of power transmission line Download PDF

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Publication number
CN112864939A
CN112864939A CN202110017529.4A CN202110017529A CN112864939A CN 112864939 A CN112864939 A CN 112864939A CN 202110017529 A CN202110017529 A CN 202110017529A CN 112864939 A CN112864939 A CN 112864939A
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CN
China
Prior art keywords
ladder
vertical
damper
cross
horizontal
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
CN202110017529.4A
Other languages
Chinese (zh)
Inventor
张瑞
张涛
张浩然
彭玉金
杨旭
王飞林
沈毅
王飞
王军
张爱萍
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.)
State Grid Corp of China SGCC
Huaibei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Huaibei Power Supply Co of State Grid Anhui Electric Power 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 State Grid Corp of China SGCC, Huaibei Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202110017529.4A priority Critical patent/CN112864939A/en
Publication of CN112864939A publication Critical patent/CN112864939A/en
Pending legal-status Critical Current

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    • 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

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  • Ladders (AREA)

Abstract

The invention discloses a tool for replacing a damper of a power transmission line, which comprises a transverse ladder with adjustable length, a vertical ladder with adjustable length, a roller, a clamping seat and a steering hook, wherein the vertical ladder is fixed at one end of the transverse ladder, the roller and the clamping seat which are clamped with the line are respectively fixed at two ends of the transverse ladder, and the steering hook is fixed at one end of the vertical ladder, which is far away from the transverse ladder. The tool has the advantages that the roller wheels and the clamping groove seats on the cross ladder are clamped and placed on the line, the cross ladder is prevented from shaking on the line, the steering hooks are hung on the cross arms after the length of the vertical ladder is adjusted according to the length of the insulator, so that the tool is stable, an operator can easily put down the cross ladder from the cross arms to the cross ladder through the vertical ladder, the length of the cross ladder is adjusted to a proper position according to the position of the anti-vibration hammer on the line, and finally the anti-vibration hammer reaches the position through the cross ladder, so that the replacement and installation work of the anti-vibration hammer can be completed, the operation risk is reduced, and the working efficiency is greatly improved.

Description

Tool for replacing damper of power transmission line
Technical Field
The invention relates to the technical field of maintenance tools for power transmission lines, in particular to a tool for replacing a damper of a power transmission line.
Background
In the operation process of a power line tower, a damper of a line is a necessary accessory and used for preventing the electric wire from excessively vibrating to protect the line, the damper also has a service life cycle, and the damper must be removed as soon as possible after reaching the service life to avoid the purpose of vibration prevention and prevent the damper from falling off from the top to hurt passers-by.
At present, in the construction of electric power industry transmission line, in the maintenance work, the installation, change damper work is very common, but what 95% left and right sides transmission line straight line shaft tower used now all is composite insulator, the electric power regulation stipulates composite insulator is forbidden to step on, forbid horizontal atress, because hang ladder downside can't be fixed, there is great safety risk at the in-process of wire down for the operating personnel, the operating personnel can only use to hang the ladder and go down on the wire, again along wire to operation point position change damper, the safety risk is great for work, waste time and energy, very difficult.
Disclosure of Invention
The technical problem to be solved by the invention is how to reduce the operation risk of replacing the damper and improve the working efficiency.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a change instrument of transmission line damper, includes length-adjustable horizontal ladder, length-adjustable vertical ladder, gyro wheel, draw-in groove seat and turns to the couple, horizontal ladder one end is fixed with erects the ladder, the horizontal ladder both ends are fixed with gyro wheel and the draw-in groove seat of joint circuit respectively, the one end that the horizontal ladder was kept away from to perpendicular ladder is fixed with and turns to the couple.
Will gyro wheel and draw-in groove seat joint on the cross ladder are placed on the circuit, adjust erect ladder length and cause the steering hanger hangs and establishes on the cross arm, adjust cross ladder length causes the cross ladder tip to be close to the damper, and the operation personnel is by the cross arm through erecting the ladder and reacing the cross ladder, finally change and install the damper on the cross ladder.
Hang this instrument through the jack-up coaster and establish to cross arm department, then place gyro wheel and draw-in groove seat joint on the cross arm on the circuit, prevent that the cross arm from rocking on the circuit, after will erecting ladder length adjustment according to the length of insulator, will turn to the couple and hang and establish on the cross arm, make and stabilize this instrument, thereby the operation personnel can be relaxed from the cross arm through erecting the ladder down to the cross arm on, again according to the length to the suitable position of the position adjustment cross arm of damper on the circuit, reach the position of damper through the cross arm at last, can accomplish the change and the installation work of damper, the operation danger is reduced, and work efficiency also improves greatly.
Preferably, the horizontal ladder includes first horizontal ladder, second horizontal ladder, transverse connection pole and horizontal locking pin, the setting that can remove respectively in the both ends of transverse connection pole is at the tip that first horizontal ladder and second horizontal ladder are relative, the tip that first horizontal ladder and second horizontal ladder are relative all is provided with the horizontal locking pin that can lock transverse connection pole.
Preferably, still be connected with first chain between the horizontal pole of first horizontal ladder and the horizontal pole of second horizontal ladder, prevent that the transverse connection pole from droing from first horizontal ladder and second horizontal ladder.
Preferably, erect the ladder and include that first perpendicular ladder, second erect ladder, vertical connecting rod and vertical locking pin, the both ends of vertical connecting rod can remove respectively set up at first perpendicular ladder and the relative tip of second perpendicular ladder, first perpendicular ladder and the relative tip of second perpendicular ladder all are provided with the vertical locking pin that can lock vertical connecting rod.
Preferably, still be connected with the second chain between the horizontal pole of first perpendicular ladder and the horizontal pole of second perpendicular ladder, prevent that vertical connecting rod from following first perpendicular ladder and second and erecting the ladder and coming off.
Preferably, the steering hook comprises a U-shaped connecting seat, a hook body, a connecting shaft and a fixing bolt, one end of the U-shaped connecting seat is fixed at one end of the vertical ladder far away from the transverse ladder, the other end of the U-shaped connecting seat is fixed with the hook body capable of rotating through the connecting shaft, and the fixing bolt is arranged on the hook head of the hook body; because the couple body can the pivoted fix at the top that the ladder was erected to the second, the cross arm of establishing in equidirectional and angle is hung to convenient this couple that turns to lock fixedly to the cross arm through fixing bolt, improve this instrument and hang the stability of establishing on the cross arm, improve operation personnel's factor of safety, reduced the operation danger.
Preferably, the end part of the horizontal ladder far away from the vertical ladder is fixed with a pedal, so that a foot stepping position is provided for an operator in working, the stability of the operator in working is ensured, and the operation is more convenient.
Preferably, the vertical ladder is fixed at the end of the adjustable cross bar by a through bolt.
Preferably, an adjustable chain is further arranged between the end parts of the connecting parts of the horizontal ladder and the vertical ladder, so that the rotating angle of the vertical ladder can be controlled by controlling the length of the adjustable chain, and the influence on the stability of the tool caused by the overlarge rotation of the vertical ladder is prevented.
Preferably, the roller is a grooved roller.
Compared with the prior art, the invention has the beneficial effects that:
1. hang this instrument through the jack-up coaster and establish to cross arm department, then place gyro wheel and draw-in groove seat joint on the cross arm on the circuit, prevent that the cross arm from rocking on the circuit, after will erecting ladder length adjustment according to the length of insulator, will turn to the couple and hang and establish on the cross arm, make and stabilize this instrument, thereby the operation personnel can be relaxed from the cross arm through erecting the ladder down to the cross arm on, again according to the length to the suitable position of the position adjustment cross arm of damper on the circuit, reach the position of damper through the cross arm at last, can accomplish the change and the installation work of damper, the operation danger is reduced, and work efficiency also improves greatly.
2. Because the couple body can the pivoted fix at the top that the ladder was erected to the second, the cross arm of establishing in equidirectional and angle is hung to convenient this couple that turns to lock fixedly to the cross arm through fixing bolt, improve this instrument and hang the stability of establishing on the cross arm, improve operation personnel's factor of safety, reduced the operation danger.
3. Through the setting of pedal, provide the position that a foot was stepped on for the operation personnel at the during operation, stability when guaranteeing personnel's operation makes things convenient for the operation more.
4. Through the setting of adjustable chain, not only can control the pivoted angle of erecting the ladder through the length of control adjustable chain, also prevented simultaneously that the ladder of erecting from rotating too big and influencing the stability of this instrument.
Drawings
Fig. 1 is a schematic structural diagram of a tool for replacing a damper of a power transmission line according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a horizontal ladder according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a vertical ladder according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a steering hanger according to an embodiment of the invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, this embodiment discloses a change instrument of transmission line damper, including length adjustable horizontal ladder 1, length adjustable vertical ladder 2, cross-core bolt 3, gyro wheel 4, draw-in groove seat 5, steering hanger 6, pedal 7 and adjustable chain 8, horizontal ladder 1 one end is fixed through cross-core bolt 3 vertical ladder 2, horizontal ladder 1 both ends are fixed with gyro wheel 4 and the draw-in groove seat 5 of joint circuit respectively, in this embodiment, gyro wheel 4 is the recess formula gyro wheel, gyro wheel 4 is fixed in horizontal ladder 1 one end of keeping away from vertical ladder 2, draw-in groove seat 5 is fixed in the one end that the horizontal ladder is close to vertical ladder 2, vertical ladder 2 keeps away from the one end of horizontal ladder 1 and is fixed with the steering hanger 6 that can hang and establish the cross arm.
Hang this instrument through the jack-up coaster and establish to cross arm department, then place gyro wheel 4 and the 5 joints of draw-in groove seat on the cross arm 1 on the circuit, prevent that cross arm 1 from rocking on the circuit, after 2 length adjustment of vertical ladder is good according to the length of insulator, will turn to couple 6 and hang and establish on the cross arm, make and stabilize this instrument, thereby operation personnel can be relaxed from the cross arm through vertical ladder 2 down to cross arm 1 on, again according to the position adjustment cross arm 1's of damper on the circuit length to suitable position, reach the position of damper through cross arm 1 at last, can accomplish the change and the installation work of damper, the operation danger is reduced, and work efficiency also improves greatly.
The horizontal ladder 1 comprises a first horizontal ladder 11, a second horizontal ladder 12, a transverse connecting rod 13, a transverse locking pin 14 and a first chain 15, two ends of the transverse connecting rod 13 are respectively movably arranged at the opposite ends of the first horizontal ladder 11 and the second horizontal ladder 12, the opposite ends of the first horizontal ladder 11 and the second horizontal ladder 12 are respectively provided with the transverse locking pin 14 capable of locking the transverse connecting rod 13, and the length of the horizontal ladder 1 is changed by changing the length of the transverse connecting rod 13 inserted into the ends of the first horizontal ladder 11 and the second horizontal ladder 12, so that the horizontal ladder 1 can adapt to the replacement and installation of vibration dampers at different positions; still be connected with first chain 15 between the horizontal pole of first horizontal ladder 11 and the horizontal pole of second horizontal ladder 12, prevent that transverse connection pole 13 from droing from first horizontal ladder 11 and second horizontal ladder 12.
The vertical ladder 2 comprises a first vertical ladder 21, a second vertical ladder 22, a vertical connecting rod 23, a vertical locking pin 24 and a second chain 25, two ends of the vertical connecting rod 23 are respectively movably arranged at the opposite ends of the first vertical ladder 21 and the second vertical ladder 22, the opposite ends of the first vertical ladder 21 and the second vertical ladder 22 are respectively provided with the vertical locking pin 24 capable of locking the vertical connecting rod 23, and the length of the vertical ladder 2 is changed by changing the length of the vertical connecting rod 23 inserted into the ends of the first vertical ladder 21 and the second vertical ladder 22, so that the vertical ladder 2 can adapt to cross arms with different heights; still be connected with second chain 25 between the montant of first vertical ladder 21 and the montant of second vertical ladder 22, prevent that vertical connecting rod 23 from following first vertical ladder 21 and second vertical ladder 22 and drop.
Refer to fig. 4, turn to couple 6 and include U type connecting seat 61, couple body 62, connecting axle 63 and fixing bolt 64, U type connecting seat 61 one end is fixed the top of second vertical ladder 22, the other end is fixed with can pivoted couple body 62 through connecting axle 63, be provided with fixing bolt 64 on the gib head of couple body 62, because couple body 62 can the pivoted fix at the top of second vertical ladder 22, conveniently should turn to couple 6 and hang the cross arm of establishing at equidirectional and angle to lock fixedly to the cross arm through fixing bolt 64, improve this instrument and hang the stability of establishing on the cross arm, improve operation personnel's factor of safety, reduced the operation danger.
First horizontal ladder 11 is kept away from the end fixing who erects ladder 2 and is had pedal 7, provides the position that a foot was stepped on for the operation personnel at the during operation, stability when guaranteeing personnel's operation, makes things convenient for the operation more.
Still be provided with adjustable chain 8 between the tip of second horizontal ladder 12 and first perpendicular ladder 21 junction, 8 one end of adjustable chain is connected with second horizontal ladder 12 side, and the other end is connected with first perpendicular ladder 21 side, not only can control the pivoted angle of erecting ladder 2 through the length of controlling adjustable chain 8, has also prevented to erect ladder 2 simultaneously and has rotated too greatly and influence the stability of this instrument.
The working principle of the embodiment is as follows: the tool is hung at the cross arm through a hoisting tackle, then the roller 4 and the clamping groove seat 5 on the cross ladder 1 are clamped and placed on the line to prevent the cross ladder 1 from shaking on the line, the vertical locking pin 24 is loosened according to the length of an insulator, the length of the end part of the vertical connecting rod 23 inserted into the first vertical ladder 21 and the second vertical ladder 22 is changed to change the length of the vertical ladder 2, so that the vertical ladder 2 can adapt to cross arms with different heights, then the vertical locking pin 24 is locked, the hook body 62 is hung on the cross arm, the cross arm is locked and fixed through the fixing bolt 64, therefore, an operator can easily go down from the cross arm to the cross ladder 1 through the vertical ladder 2, then the length of the end part of the cross ladder 1 inserted into the first cross ladder 11 and the second cross ladder 12 is changed according to the position of the vibration damper on the line, and the roller 4 rolls on the line to drive the cross ladder 1 to reach the position of the vibration damper, the operation personnel can be on horizontal ladder 1 operation to place the shank in pedal 7, accomplish the change and the installation work of damper at last, reduced the operation danger, and work efficiency also improves greatly.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a change instrument of transmission line damper which characterized in that: the steering ladder comprises a horizontal ladder with adjustable length, a vertical ladder with adjustable length, rollers, a clamping groove seat and a steering hook, wherein the vertical ladder is fixed at one end of the horizontal ladder, the rollers and the clamping groove seat for clamping a circuit are respectively fixed at two ends of the horizontal ladder, and the steering hook is fixed at one end of the vertical ladder, which is far away from the horizontal ladder;
will gyro wheel and draw-in groove seat joint on the cross ladder are placed on the circuit, adjust erect ladder length and cause the steering hanger hangs and establishes on the cross arm, adjust cross ladder length causes the cross ladder tip to be close to the damper, and the operation personnel is by the cross arm through erecting the ladder and reacing the cross ladder, finally change and install the damper on the cross ladder.
2. The tool for replacing the damper of the power transmission line according to claim 1, wherein: the horizontal ladder comprises a first horizontal ladder, a second horizontal ladder, a transverse connecting rod and a transverse locking pin, the two ends of the transverse connecting rod can be respectively moved and are arranged at the opposite ends of the first horizontal ladder and the second horizontal ladder, and the opposite ends of the first horizontal ladder and the second horizontal ladder are respectively provided with the transverse locking pin capable of locking the transverse connecting rod.
3. The tool for replacing the damper of the power transmission line according to claim 2, wherein: and a first chain is connected between the cross rod of the first transverse ladder and the cross rod of the second transverse ladder.
4. The tool for replacing the damper of the power transmission line according to claim 1, wherein: the vertical ladder comprises a first vertical ladder, a second vertical ladder, a vertical connecting rod and a vertical locking pin, the two ends of the vertical connecting rod can be respectively movably arranged at the opposite end parts of the first vertical ladder and the second vertical ladder, and the opposite end parts of the first vertical ladder and the second vertical ladder are respectively provided with the vertical locking pin capable of locking the vertical connecting rod.
5. The tool for replacing the damper of the power transmission line according to claim 4, wherein: and a second chain is connected between the cross rod of the first vertical ladder and the cross rod of the second vertical ladder.
6. The tool for replacing the damper of the power transmission line according to claim 1, wherein: the steering hook comprises a U-shaped connecting seat, a hook body, a connecting shaft and a fixing bolt, one end of the U-shaped connecting seat is fixed at one end, away from the horizontal ladder, of the vertical ladder, the other end of the U-shaped connecting seat is fixed with the hook body capable of rotating through the connecting shaft, and the fixing bolt is arranged on a hook head of the hook body.
7. The tool for replacing the damper of the power transmission line according to claim 1, wherein: the end part of the horizontal ladder far away from the vertical ladder is fixed with a pedal.
8. The tool for replacing the damper of the power transmission line according to claim 1, wherein: the vertical ladder is fixed at the end part of the adjustable transverse rod through a through bolt.
9. The tool for replacing the damper of the power transmission line according to claim 1, wherein: an adjustable chain is further arranged between the end parts of the joints of the horizontal ladder and the vertical ladder.
10. The tool for replacing the damper of the power transmission line according to claim 1, wherein: the roller is a groove type roller.
CN202110017529.4A 2021-01-07 2021-01-07 Tool for replacing damper of power transmission line Pending CN112864939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110017529.4A CN112864939A (en) 2021-01-07 2021-01-07 Tool for replacing damper of power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110017529.4A CN112864939A (en) 2021-01-07 2021-01-07 Tool for replacing damper of power transmission line

Publications (1)

Publication Number Publication Date
CN112864939A true CN112864939A (en) 2021-05-28

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CN202110017529.4A Pending CN112864939A (en) 2021-01-07 2021-01-07 Tool for replacing damper of power transmission line

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN114552483A (en) * 2022-03-30 2022-05-27 国网山东省电力公司烟台供电公司 Special tool for replacing lightning conductor damper at ground potential and mounting method thereof
CN114856408A (en) * 2022-04-27 2022-08-05 国网山东省电力公司青岛供电公司 Folding arm ladder for equipotential live working of power transmission line and use method

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CN210273316U (en) * 2019-09-27 2020-04-07 国家电网有限公司 Combined insulating ladder
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552483A (en) * 2022-03-30 2022-05-27 国网山东省电力公司烟台供电公司 Special tool for replacing lightning conductor damper at ground potential and mounting method thereof
CN114552483B (en) * 2022-03-30 2023-07-25 国网山东省电力公司烟台供电公司 Special tool for replacing lightning conductor damper with ground potential and mounting method of special tool
CN114856408A (en) * 2022-04-27 2022-08-05 国网山东省电力公司青岛供电公司 Folding arm ladder for equipotential live working of power transmission line and use method

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Application publication date: 20210528