CN114914845A - Live-line operation repairing tool for overhead line - Google Patents
Live-line operation repairing tool for overhead line Download PDFInfo
- Publication number
- CN114914845A CN114914845A CN202210246663.6A CN202210246663A CN114914845A CN 114914845 A CN114914845 A CN 114914845A CN 202210246663 A CN202210246663 A CN 202210246663A CN 114914845 A CN114914845 A CN 114914845A
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- CN
- China
- Prior art keywords
- arm
- fastening
- insulating
- hoop
- telescopic arm
- 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.)
- Granted
Links
- 230000008439 repair process Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 210000000245 forearm Anatomy 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides a live-line operation repairing tool for an overhead line, which comprises: the telescopic arm is fixed at an operation position through a rotatable hoop, and the operation position is arranged on a telegraph pole; the fastening end of the supporting arm is arranged on the telescopic arm through an annular fastening clamp, and the suspended end of the supporting arm is used for fixing operation related objects; and the telescopic arm is also connected with a plurality of insulating ropes capable of hanging heavy objects. The invention solves the difficulty that operators have no place to place equipment, materials, tools and the like, and simultaneously, the operators save time and labor when adjusting the position and the angle of equipment to be overhauled or replaced in the operation process, thereby reducing the labor intensity of operation and improving the working efficiency.
Description
Technical Field
The invention belongs to the technical field of power grid maintenance, and particularly relates to a live-line operation repairing tool for an overhead line.
Background
During 10kV overhead line live working overhauls, need carry at the operation in-process often to the wire, cross arm, fastener or the instrument of overhauing and hang or fix, if unable reliable support, fixed, there is a great deal of inconvenience in the operation process, the operation is wasted time, hard problem, simultaneously because of fixed insecure, the equipment swing causes the safe distance not enough, brings the potential safety hazard for the operation personnel. Firstly, there is the unable reliably fixed problem temporarily of its link or support in the overhead equipment change process, even find reliable fixed mode, also can cause the process complicated, work efficiency is low. If the insulator and the cross arm of the straight line rod are replaced in a charged way by an insulating glove method, after the old cross arm and the insulator are removed, the conducting wire of the straight line rod cannot be reliably fixed; and then, if the fuse is replaced under load, the upper lead of the fuse cannot be reliably fixed after being detached, at present, an operator wraps the lead and then fixes the lead to the original lead, and the operation position of the insulating bucket arm vehicle is repeatedly adjusted in the operation process, so that the working efficiency is low. Secondly, part of overhead equipment is heavy and long in length, and the position of the equipment is difficult to adjust simply by manpower in the operation process; if the load-carrying straight rod of the double-circuit line is changed into the tension rod, the lower-layer cross arm is about 40kg in weight, and 2 workers of the insulating arm car can hardly complete the disassembly and assembly of the double cross arms smoothly due to the large weight. At present, the work is completed by two insulating bucket arm vehicles and 4 workers in a matched mode, and the work efficiency is low.
Disclosure of Invention
The invention provides a live working repair tool for an overhead line, aiming at solving the technical problems that in the prior art, overhead equipment such as a lead, a cross arm and the like cannot be temporarily fixed or supported, so that the working efficiency of live working is low, the working procedure is complex, and the working risk is high.
The invention provides a live-line operation repairing tool for an overhead line, which comprises:
the telescopic arm is fixed at an operation position through a rotatable hoop, and the operation position is arranged on a telegraph pole; the fastening end of the supporting arm is arranged on the telescopic arm through an annular fastening clamp, and the suspended end of the supporting arm is used for fixing operation related objects; and the telescopic arm is also connected with a plurality of insulating ropes capable of hanging heavy objects.
Furthermore, scalable arm includes insulating big arm and insulating forearm, rotatable staple bolt is connected to the one end of insulating big arm, the other end and the insulating forearm of insulating big arm cup joint.
Furthermore, the sleeving length between the large insulating arm and the small insulating arm is controlled by a screw rod stepping motor.
Further, the rotatable hoop comprises an inner hoop and an outer hoop, the inner hoop comprises a locking screw, and the locking screw fixes the inner hoop at an operation position; the outer hoop is welded on the outer side of the inner hoop, a movable connecting piece is arranged on the outer hoop, and the movable connecting piece is connected with a fastening end of the telescopic arm.
Furthermore, the movable connecting piece comprises an arc-shaped sliding strip and a fastening cylinder, and the fastening cylinder is welded on the arc-shaped sliding strip; the arc-shaped sliding strip slides in a matched sliding rail at the outer side of the outer hoop; the fastening cylinder is a cylindrical cylinder with a bottom surface, the diameter of the fastening cylinder is adapted to the size of the fastening end of the telescopic arm, and the fastening end of the telescopic arm is inserted into the fastening cylinder.
Further, a pressure sensor is laid on the bottom surface of the fastening cylinder, the pressure sensor is electrically connected with a controller, the controller is electrically connected with a buzzer, and the controller controls the buzzer to give an alarm when pressure data received from the pressure sensor exceeds a set threshold value.
Furthermore, a plurality of pressure sensors are paved on the bottom surface of the fastening cylinder, and are connected with the controller; the controller generates pressure difference after receiving pressure data of the pressure sensors and controls the buzzer to give an alarm when the pressure difference exceeds a set difference threshold value.
Further, the hanging end of insulating rope is connected from sealing the couple, the other end of insulating rope passes the rope hole of scalable arm, be equipped with the auto-lock buckle on the rope hole, the insulating rope passes the auto-lock buckle.
The tool for repairing the overhead line in the live-wire operation has the advantages that the telescopic arm is fixed at a proper position near an operation point by an operator before the operation, the large arm, the small arm, the support arm and the insulating rope provide reliable fixed supporting points, the difficulty that the operator places equipment, materials, tools and the like everywhere is solved, time and labor are saved when the operator adjusts the position and the angle of the equipment to be repaired or replaced in the operation process, the labor intensity of the operation is reduced, and the working efficiency is improved.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of an overhead line live working repair tool according to an embodiment of the present application;
wherein, 1, a telegraph pole; 2. the hoop can be rotated; 3. a fastening cylinder; 4. an insulating large arm; 5. an insulating small arm; 6. a support arm.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, the present invention provides a repairing tool for live line operation of an overhead line, including the following structures:
the telescopic arm is fixed at an operation position on the telegraph pole 1 through the rotatable hoop 2; the fastening end of the support arm 6 is mounted on the telescopic arm by means of a ring-shaped fastening clip, and the free end of the support arm 6 is used for fixing work-related objects, wherein the angle and height of the support arm 6 can be adjusted by the worker by adjusting the position of the ring-shaped fastening clip. The telescopic arm is also connected with a plurality of insulating ropes which can be used for hanging heavy objects.
The telescopic boom is fixed at a proper position near an operation point by an operator before working, the large boom, the small boom, the support arm and the insulating rope provide a reliable fixed pivot, the difficulty that the operator places equipment, materials, tools and the like without places is solved, time and labor are saved when the operator adjusts the position and the angle of equipment to be overhauled or replaced in the operation process, the labor intensity of the operation is reduced, and the working efficiency is improved.
In one embodiment of the invention, the telescopic arm comprises an insulating large arm 4 and an insulating small arm 5, one end of the insulating large arm 4 is connected with the rotatable hoop 2, and the other end of the insulating large arm 4 is sleeved with the insulating small arm 5. The length of the sleeve joint between the large insulating arm 4 and the small insulating arm 5 is controlled by a screw rod stepping motor. The screw rod stepping motor can be controlled by a remote switch, and an operator controls the total length of the telescopic arm by controlling the screw rod stepping motor.
In order to facilitate the adjustment of the position of the telescopic arm by an operator in the operation process, in one embodiment of the invention, the rotatable hoop 2 comprises an inner hoop and an outer hoop, the inner hoop comprises a locking screw, and the locking screw fixes the inner hoop at the operation position; the outer hoop is welded on the outer side of the inner hoop, a movable connecting piece is arranged on the outer hoop, and the movable connecting piece is connected with the fastening end of the telescopic arm. The movable connecting piece comprises an arc-shaped sliding strip and a fastening barrel 3, and the fastening barrel 3 is welded on the arc-shaped sliding strip; the arc-shaped sliding strip slides in a matched sliding rail at the outer side of the outer hoop; the fastening cylinder 3 is a cylindrical cylinder with a bottom surface, and the diameter of the fastening cylinder 3 is sized to fit the size of the fastening end of the telescopic arm, which is inserted into the fastening cylinder 3. After the tool is installed, if the position of the telescopic rod needs to be adjusted, the telescopic arm can be pushed upwards in the horizontal direction, and the telescopic arm can rotate around the telegraph pole 1. In the absence of a force in the horizontal direction, the telescopic arm is kept in a rest state.
The whole tool material can be made of insulating materials such as epoxy resin. An alarm mechanism is provided for enhancing the safety and stability of the tool. Specifically, a plurality of pressure sensors are laid on the bottom surface of the fastening cylinder 3, the pressure sensors are electrically connected with a controller, the controller is electrically connected with a buzzer, and the controller controls the buzzer to give an alarm when pressure data received from any one of the pressure sensors exceeds a set threshold value. The controller generates pressure difference after receiving the pressure data of the pressure sensors, and controls the buzzer to give an alarm when the pressure difference exceeds a set difference threshold value. Therefore, the tool damage and even safety accidents caused by the fact that the supporting object is overweight or the supporting object causes uneven stress on the tool are avoided.
The hanging end of insulating rope is connected from sealing the couple, and the other end of insulating rope passes the rope hole of scalable arm, be equipped with the auto-lock buckle on the rope hole, the insulating rope passes the auto-lock buckle. The hanging object is prevented from falling off by the self-sealing hook. The length of the insulating rope is adjusted through the self-locking buckle.
According to the invention, the position of the double-side rotary large arm can be adjusted in the 360-degree direction of the transverse tangent plane of the electric pole, the telescopic small arm extends the working radius, the maximum adjustment distance of the double-loop large arm is up to the side phase conductor of a 10kV double-loop overhead line, the adjustable support arm can realize transverse adjustment along the positions of the large arm and the small arm, and can be adjusted in a rotating manner in the 360-degree range in the direction of the large arm, and the flexible adjustment of the direction ensures that all supports in the operation direction can be quickly fixed. The telescopic arm is made of high-quality insulating materials, so that the operation safety is ensured. Meanwhile, the hard insulating material ensures the compression strength and the tensile strength of the telescopic arm. Parts such as the rotatory staple bolt in the flexible arm, big arm, forearm, support arm are single part, and through cup jointing fastening mode equipment during the use, whether dispose forearm or support arm quantity as required decision, the equipment is simple and convenient, use is nimble, firm reliable.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an overhead line live working repair instrument which characterized in that includes:
the telescopic arm is fixed at an operation position through a rotatable hoop, and the operation position is arranged on a telegraph pole; the fastening end of the supporting arm is arranged on the telescopic arm through an annular fastening clamp, and the suspended end of the supporting arm is used for fixing operation related objects; and the telescopic arm is also connected with a plurality of insulating ropes capable of hanging heavy objects.
2. The overhead line live working repair tool of claim 1, wherein the telescopic arm comprises a large insulating arm and a small insulating arm, one end of the large insulating arm is connected with the rotatable hoop, and the other end of the large insulating arm is sleeved with the small insulating arm.
3. The overhead line live working repair tool of claim 2, wherein the length of the sleeve connection between the large insulating arm and the small insulating arm is controlled by a lead screw stepping motor.
4. The overhead line live working repair tool of claim 1, wherein the rotatable hoop comprises an inner hoop and an outer hoop, the inner hoop comprising a locking screw, the locking screw securing the inner hoop in a working position; the outer hoop is welded on the outer side of the inner hoop, a movable connecting piece is arranged on the outer hoop and connected with a fastening end of the telescopic arm.
5. The overhead line live working repair tool of claim 4, wherein the movable connector comprises an arc-shaped sliding bar and a fastening barrel, and the fastening barrel is welded on the arc-shaped sliding bar; the arc-shaped sliding strip slides in a matched sliding rail at the outer side of the outer hoop; the fastening cylinder is a cylindrical cylinder with a bottom surface, the diameter of the fastening cylinder is adapted to the size of the fastening end of the telescopic arm, and the fastening end of the telescopic arm is inserted into the fastening cylinder.
6. The overhead line live working repair tool of claim 5, wherein a pressure sensor is laid on the bottom surface of the fastening cylinder, the pressure sensor is electrically connected with a controller, the controller is electrically connected with a buzzer, and the controller controls the buzzer to give an alarm when pressure data received from the pressure sensor exceeds a set threshold value.
7. The overhead line live working repair tool of claim 6, wherein a plurality of pressure sensors are laid on the bottom surface of the fastening cylinder, and are connected with a controller; the controller generates pressure difference after receiving pressure data of the pressure sensors and controls the buzzer to give an alarm when the pressure difference exceeds a set difference threshold value.
8. The overhead line live working repair tool of claim 1, wherein a free end of the insulating rope is connected with a self-sealing hook, the other end of the insulating rope passes through a rope hole of the telescopic arm, a self-locking buckle is arranged on the rope hole, and the insulating rope passes through the self-locking buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210246663.6A CN114914845B (en) | 2022-03-14 | 2022-03-14 | Repair and inspection tool for live working of overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210246663.6A CN114914845B (en) | 2022-03-14 | 2022-03-14 | Repair and inspection tool for live working of overhead line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114914845A true CN114914845A (en) | 2022-08-16 |
| CN114914845B CN114914845B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210246663.6A Active CN114914845B (en) | 2022-03-14 | 2022-03-14 | Repair and inspection tool for live working of overhead line |
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| Country | Link |
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| CN (1) | CN114914845B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191874A (en) * | 2011-03-25 | 2011-09-21 | 河南省电力公司郑州供电公司 | Insulating cross arm with movable arc grooves |
| JP2011234596A (en) * | 2010-04-30 | 2011-11-17 | Asahi Electric Works Ltd | Push-in device of wedge-type anchor clamp and its construction method for push-in |
| CN102403674A (en) * | 2011-11-02 | 2012-04-04 | 辽宁省电力有限公司葫芦岛供电公司 | Live-wire work insulating cross arm |
| CN110593635A (en) * | 2019-08-14 | 2019-12-20 | 浙江中新电力工程建设有限公司配电分公司 | Lifting cross arm for live-wire work and use method thereof |
| CN212695606U (en) * | 2020-08-21 | 2021-03-12 | 国网河南省电力公司平顶山供电公司 | Special holding rod for replacing side phase pin insulator of linear rod |
| CN215419334U (en) * | 2021-08-05 | 2022-01-04 | 俞晓江 | Power transmission and distribution line construction maintenance tool |
-
2022
- 2022-03-14 CN CN202210246663.6A patent/CN114914845B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011234596A (en) * | 2010-04-30 | 2011-11-17 | Asahi Electric Works Ltd | Push-in device of wedge-type anchor clamp and its construction method for push-in |
| CN102191874A (en) * | 2011-03-25 | 2011-09-21 | 河南省电力公司郑州供电公司 | Insulating cross arm with movable arc grooves |
| CN102403674A (en) * | 2011-11-02 | 2012-04-04 | 辽宁省电力有限公司葫芦岛供电公司 | Live-wire work insulating cross arm |
| CN110593635A (en) * | 2019-08-14 | 2019-12-20 | 浙江中新电力工程建设有限公司配电分公司 | Lifting cross arm for live-wire work and use method thereof |
| CN212695606U (en) * | 2020-08-21 | 2021-03-12 | 国网河南省电力公司平顶山供电公司 | Special holding rod for replacing side phase pin insulator of linear rod |
| CN215419334U (en) * | 2021-08-05 | 2022-01-04 | 俞晓江 | Power transmission and distribution line construction maintenance tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114914845B (en) | 2024-05-24 |
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