CN114552483B - Special tool for replacing lightning conductor damper with ground potential and mounting method of special tool - Google Patents
Special tool for replacing lightning conductor damper with ground potential and mounting method of special tool Download PDFInfo
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- CN114552483B CN114552483B CN202210324031.7A CN202210324031A CN114552483B CN 114552483 B CN114552483 B CN 114552483B CN 202210324031 A CN202210324031 A CN 202210324031A CN 114552483 B CN114552483 B CN 114552483B
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- damper
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- 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
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- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Suspension Of Electric Lines Or Cables (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention relates to a special tool for replacing a lightning conductor damper with a ground potential, and belongs to the technical field of power transmission line overhaul. Including the fastener, the fastener is installed in square front intermediate position, square front still installs two bearing couples that extend to square back, square back is by the position department down install the support hammer hook that is used for placing the damper, support hammer hook is located between two bearing couples, square bottom of the plate portion has offered the hole that is used for installing the action bars, the fastener is including passing bearing couple and can follow the horizontal clamp plate that weighs couple direction of height and reciprocate, be equipped with even board under the horizontal clamp plate one end, even board one side is fixed in on the square, be provided with spring mechanism perpendicularly between horizontal clamp plate and the even board, even board bottom is equipped with and is used for driving spring mechanism to stretch out and draw back and then drive horizontal clamp plate oscilaltion actuating mechanism. The invention has the advantages of convenient installation, safety and reliability, improving the live working efficiency, reducing the working intensity and reducing the safety risk of operators.
Description
Technical Field
The invention relates to a special tool for replacing a lightning conductor damper with a ground potential, which is widely applied to the work of replacing the lightning conductor damper with a power transmission line ground potential method, and belongs to the technical field of power transmission line maintenance.
Background
The overhead transmission line is used as a main transmission channel of electric energy, and daily operation, maintenance and overhaul of the overhead transmission line are important guarantees for guaranteeing safe and reliable power supply of a power grid. The damper mainly plays a role in reducing vibration of a line caused by external factors such as wind power and the like in a power transmission line. However, due to the influences of working properties and external conditions, the damper sometimes loosens or even falls off, and potential safety hazards are generated for reliable operation of the circuit.
After the lightning rod damper is replaced and the ground wire is hung by a man, an operator climbs to the top of the tower to directly replace the ground wire, but induction electric shock risks exist when the lightning rod damper is not directly grounded. And the operation mode is that the operation personnel directly contact with the live body or the line with induced electricity through the spanner, and the operating point often is located the transmission tower top, and suitable station is looked for difficultly, and the operation risk is higher. At present, no tool for replacing the damper by utilizing a special operating rod to carry out ground potential is available, so that the damper replacement operation efficiency is low, the intensity is high and the danger is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a special tool for replacing the lightning wire damper by using the ground potential, which is convenient to install, safe and reliable, improves live working efficiency, reduces working intensity and safety risk of operators.
The special tool for replacing the lightning rod damper with the ground potential is characterized by comprising a fastener 3 for pressing down the damper, wherein the fastener 3 is arranged in the middle of the front surface of a square plate 1, the top of the fastener is higher than the square plate 1, two bearing hooks 2 extending towards the back surface of the square plate 1 are further arranged on the front surface of the square plate 1, a damper hook 1-2 for placing the damper is arranged at the position, close to the lower back surface, of the square plate 1, the damper hook 1-2 is positioned between the two bearing hooks 2, a hole 1-1 for installing an operating rod is formed in the bottom of the square plate 1, the fastener 3 comprises a horizontal pressing plate 3-11 which penetrates through the bearing hooks and can move up and down along the height direction of the weighing hook 2, a connecting plate 3-12 is arranged under one end of the horizontal pressing plate 3-11, one side of the connecting plate 12 is fixed on the square plate 1, a spring mechanism is vertically arranged between the horizontal pressing plate 3-11 and the connecting plate 12, and the bottom of the connecting plate 12 is provided with a driving mechanism for driving the spring mechanism to stretch so as to drive the horizontal pressing plate 3-11 to lift up and down;
preferably, the spring mechanism comprises a spring cylinder 3-3, a spring is arranged in the spring cylinder 3-3, one end of the spring is contacted with the pressing plate 3-11, and one end of the spring is contacted with the connecting plate 3-12;
preferably, the driving mechanism comprises a push-pull arm 3-4, one end of the push-pull arm extends into the spring cylinder 3-3, the other end of the push-pull arm is arranged outside the spring cylinder 3-3, the bottom of the push-pull arm 3-4 is connected with an arc-shaped connecting arm 3-10 through a first fixed shaft 3-5, the arc-shaped connecting arm 3-10 is connected with a push-pull handle 3-8 through a second fixed shaft 3-6 and a third fixed shaft 3-7, a triangle plate 3-13 is simultaneously connected at the second fixed shaft 3-6, one side of the triangle plate 3-13 is arranged on the square plate 1, and the tail end of the push-pull handle 3-8 is provided with an anti-slip barb 3-9;
preferably, an adjusting groove is formed in the length direction of the pressing plate 3-11, and the nut 3-1 and the gasket 3-2 are respectively arranged on the upper side and the lower side of the pressing plate 3-11 to play a role in fixing;
preferably, the height of the spring cylinder 3-3 is 2.5cm, the diameter of the spring cylinder is 0.5cm, the height of the push-pull arm 3-4 is 5cm, and the diameter of the push-pull arm is 0.4cm;
preferably, the square plate 1 is a rectangular plate with the length of 10cm, the height of 12cm and the thickness of 1cm, and two symmetrical bearing hook mounting holes with the diameter of 0.5cm are formed at the position, which is 4cm away from the top and 1.5cm away from the edge;
preferably, the bearing hook 2 comprises an arc-shaped hook 2-1, a fixing screw hole 2-2 and a hook straight arm 2-3, wherein the fixing screw hole 2-2 is a round hole with the diameter of 0.5cm, the bearing hook is fixed on the square plate 1 through a screw, and the hook straight arm 2-3 is of a cuboid design with the length of 1cm, the height of 8cm and the thickness of 1 cm;
preferably, the diameter of the hole 1-1 is 1.5cm, the central angle of the hammer supporting hook 1-2 is 120 degrees, and the central angle of the arc-shaped hook 2-1 is 150 degrees;
preferably, the included angle between the push-pull handle 3-8 and the arc-shaped connecting arm 3-10 is 150 degrees.
The invention relates to a method for installing a special tool for replacing a lightning conductor damper with a ground potential, which is characterized by comprising the following steps of:
1. the ground operator pushes up the push-pull handle 3-8, and the push-pull handle 3-8 drives the push-pull arm 3-4 to ascend through the arc-shaped connecting arm 3-10, so that the pressing plate 3-11 is pushed to ascend, and the distance between the pressing plate 3-11 and the hammer supporting hook 1-2 is increased;
2. horizontally placing the damper on the damper hook 1-2, unscrewing a damper nut, pulling down the push-pull handle 3-8, driving the pressing plate 3-11 to move downwards, and opening the movable hanging plate of the damper along with the continuous descending of the pressing plate 3-11 after the pressing plate 3-11 touches the movable hanging plate of the damper, so that the damper is in a state of waiting for hanging a lightning wire, and at the moment, the push-pull handle 3-8 is pulled down to form a self-locking state;
3. one end of an operating rod is connected to the hole 1-1 and fixed, an electrician hangs the bearing hook 2 on a lightning conductor through the operating rod, lifts the operating rod after adjusting to a proper angle, clamps the lightning conductor between the movable hanging plate and the fixed hanging plate of the damper, then uses another operating rod to operate the anti-slip barb 3-9 so as to reset the pressing plate 3-11, and after the pressing plate 3-11 is reset, the pressing plate 3-11 is separated from the damper, so that the movable hanging plate of the damper falls;
4. the nuts between the movable damper hanging plate and the fixed damper hanging plate are screwed tightly through the sleeve, so that the damper is firmly hung on the lightning conductor.
Compared with the prior art, the invention has the following positive effects: according to the invention, the damper replacement work can be efficiently completed by utilizing a special tool through the ground potential, so that the electric shock risk of manual equipotential or direct operation on a lightning conductor which is not directly grounded is avoided. It has the following components:
1. simple structure and convenient installation. The damper is only required to be installed on the tool supporting hook, and the damper clamping plate is opened. The installation process is quick and convenient.
2. The double bearing hooks are arranged, so that the working strength is further reduced. The upper end of the tool is provided with two hooks, and the tool can be temporarily hung on a circuit during installation, so that the labor intensity of operators is reduced.
3. Has the advantages of negative angle locking and spring-assisted resetting, and is convenient to operate. The tool is provided with a spring, when the tool is installed, the tool is automatically locked by utilizing the negative angle of the wrench, and after the tool is installed, the tool can be quickly reset by utilizing the operating rod, so that the tool is convenient to install and detach.
4. The live working efficiency is improved, and the safety risk of operators is reduced. By using the tool, the lightning conductor damper can be efficiently replaced, an operator can operate through the insulating operation rod, the operator station is convenient to find, the operation time is shortened, the step of tool installation during equipotential operation is omitted, the labor intensity of the operator is reduced, the live working efficiency is improved, and the safety risk of the operator is reduced.
Drawings
Fig. 1 is a schematic structural view of a special tool for replacing a lightning arrester damper with ground potential according to the present invention;
fig. 2 is a side view of fig. 1.
In the figure: 1. a square plate; 1-1, holes; 1-2, a hammer supporting hook; 2. a bearing hook; 2-1, an arc-shaped hook; 2-2, fixing screw holes; 2-3, hooking a straight arm; 3. a fastener; 3-1, nuts; 3-2, a gasket; 3-3, a spring cylinder; 3-4, push-pull arms; 3-5, a first fixed shaft; 3-6, a second fixed shaft; 3-7, a third fixed shaft; 3-8, push-pull handles; 3-9, anti-slip barbs; 3-10, arc connecting arms; 3-11, pressing plate; 3-12, connecting plates; 3-13, triangle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, a special tool for replacing a damper of a lightning conductor with a ground potential in the embodiment mainly comprises three parts: square plate 1, bearing couple 2, fastener 3. The square plate 1 is of a rectangular design with the length of 10cm, the height of 12cm and the thickness of 1cm, two symmetrical round holes with the diameter of 0.5cm are formed in the position which is 4cm away from the top and 1.5cm away from the edge and used for fixing the bearing hooks 2, the lower part of the square plate 1 is provided with a hole 1-1 with the diameter of 1.5cm and is connected with an insulating operating rod, and the lower part of the square plate is provided with a hammer supporting hook 1-2 with the central angle of 120 degrees and used for fixing a damper. The bearing hook 2 comprises an arc-shaped hook 2-1, a fixed screw hole 2-2 and a hook straight arm 2-3. The arc hook 2-1 adopts an annular design with 150-degree central angle, 0.5cm thickness and 1-level width; the fixing screw hole 2-2 is a round hole with the diameter of 0.5cm, the fixing screw hole is fixed on the square plate 1 through a screw, and the hook straight arm 2-3 is of a cuboid design with the length of 1cm, the height of 8cm and the thickness of 1 cm.
The fastener 3 comprises a fixed nut 3-1, a gasket 3-2, a spring cylinder 3-3, a push-pull arm 3-4, a first fixed shaft 3-5, a second fixed shaft 3-6, a third fixed shaft 3-7, a push-pull handle 3-8, an anti-slip barb 3-9, an arc connecting arm 3-10, a pressing plate 3-11, a connecting plate 3-12 and a triangular plate 3-13, wherein the nut 3-1 and the gasket 3-2 are respectively arranged on the upper side and the lower side of the pressing plate 3-11 to play a role in fixing, the spring cylinder 3-3 is 2.5cm high and 0.5cm in diameter, and is fixed on the square plate 1 through a connecting plate at the lower end, and a spring is arranged in the spring cylinder for resetting the pressing plate 3-11. The push-pull arm 3-4 has a height of 5cm and a diameter of 0.4cm and is used for pulling down the pressing plate 3-11. The diameters of the first fixed shaft 3-5, the second fixed shaft 3-6 and the third fixed shaft 3-7 are 0.3cm, and the fixed and connecting functions are achieved. The push-pull handle 3-8 adopts a 150-degree inclined design and is used for forming self-locking when the push-pull arm 3-4 is pulled down so as to prevent non-artificial rebound reset. The anti-slip barb 3-9 adopts an arc design and is used for an operator to operate the push-pull handle 3-8 by using the operating rod so as to enable the pressing plate 3-11 to rebound and reset. The arc connecting arms 3-10 adopt a circular arc design with 160-degree central angle, and play a role in transmission, locking and rebound prevention. The pressing plate 3-11 has a thickness of 0.5cm, a length of 6cm and a width of 3cm, and is provided with a groove with a width of 0.5cm and a length of 2cm for adjusting the protruding length of the pressing plate 3-11, so that the damper is suitable for different dampers.
The method for installing the special tool for replacing the lightning conductor damper with the ground potential comprises the following steps of:
1. the ground operator pushes up the push-pull handle 3-8, and the push-pull handle 3-8 drives the push-pull arm 3-4 to ascend through the arc-shaped connecting arm 3-10, so that the pressing plate 3-11 is pushed to ascend, and the distance between the pressing plate 3-11 and the hammer supporting hook 1-2 is increased;
2. horizontally placing the damper on the damper hook 1-2, unscrewing a damper nut, pulling down the push-pull handle 3-8, driving the pressing plate 3-11 to move downwards, and opening the movable hanging plate of the damper along with the continuous descending of the pressing plate 3-11 after the pressing plate 3-11 touches the movable hanging plate of the damper, so that the damper is in a state of waiting for hanging a lightning wire, and at the moment, the push-pull handle 3-8 is pulled down to form a self-locking state;
3. one end of an operating rod is connected to the hole 1-1 and fixed, an electrician hangs the bearing hook 2 on a lightning conductor through the operating rod, lifts the operating rod after adjusting to a proper angle, clamps the lightning conductor between the movable hanging plate and the fixed hanging plate of the damper, then uses another operating rod to operate the anti-slip barb 3-9 so as to reset the pressing plate 3-11, and after the pressing plate 3-11 is reset, the pressing plate 3-11 is separated from the damper, so that the movable hanging plate of the damper falls;
4. and finally, fastening the movable hanging plate of the damper and the fixed hanging plate of the damper by using the existing universal joint operating rod through screws and nuts, so that the damper is firmly hung on a lightning wire, and the device is taken down after the vibration damper is completed.
According to the invention, the damper replacement work can be efficiently completed by utilizing a special tool through the ground potential, so that the electric shock risk of manual equipotential or direct operation on a lightning conductor which is not directly grounded is avoided.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a specialized tool that lightning-arrest line damper is changed to ground potential, a serial communication port includes the binding clasp that is used for pushing down damper, the binding clasp is installed in square board front intermediate position and top is higher than square board, square board openly still installs two bearing hooks that extend to square board back, square board back is by lower position department install the support hammer hook that is used for placing damper, support hammer hook is located between two bearing hooks, square board bottom has seted up the hole that is used for installing the action bars, the binding clasp is including passing bearing hook and can follow the horizontal clamp plate that bearing hook direction of height reciprocated, be equipped with the link plate under the one end of horizontal clamp plate, link plate one side is fixed in on the square board, be provided with spring mechanism between horizontal clamp plate and the link plate perpendicularly, link plate bottom is equipped with the actuating mechanism that is used for driving spring mechanism and stretches out and draws back and go up and down and then drive horizontal clamp plate, spring mechanism includes a spring section of thick bamboo, spring is installed in the spring section of thick bamboo, spring one end contacts with the clamp plate, one end and link plate contacts, support hammer hook is located two bearing hooks, the push-pull arm that one end extends to the spring section of thick bamboo outside, push-pull arm bottom has the push-pull arm, push-pull arm passes through first arm connection, link plate connection handle connection has the arc-pull fixed axle, push-pull handle connection end connection is established in arc-shaped handle connection, arc connection end, arc handle connection is established in arc connection with arc handle connection end.
2. The special tool for replacing the lightning rod damper with the ground potential according to claim 1, wherein the adjusting groove is formed in the length direction of the pressing plate, and the nut and the gasket are respectively arranged on the upper side and the lower side of the pressing plate and play a role in fixing.
3. A special tool for replacing a lightning arrester damper at ground potential according to claim 1, wherein the spring barrel has a height of 2.5cm and a diameter of 0.5cm, and the push-pull arms have a height of 3-4 to 5cm and a diameter of 0.4cm.
4. The special tool for replacing lightning rod damper with ground potential according to claim 1, wherein the square plate is a rectangular plate with the length of 10cm, the height of 12cm and the thickness of 1cm, and two symmetrical bearing hook mounting holes with the diameter of 0.5cm are formed at the position, which is 4cm away from the top and 1.5cm away from the edge.
5. The special tool for replacing the lightning arrester vibration damper with the ground potential is characterized in that the bearing hook comprises an arc hook, a fixing screw hole and a hook straight arm, the fixing screw hole is a round hole with the diameter of 0.5cm, the fixing screw hole is fixed on a square plate through a screw, and the hook straight arm is of a cuboid design with the length of 1cm, the height of 8cm and the thickness of 1 cm.
6. A special tool for replacing a lightning arrester at ground potential according to claim 5, wherein the hole has a diameter of 1.5cm, the central angle of the hammer hook is 120 °, and the central angle of the arc hook is 150 °.
7. A special tool for replacing a lightning arrester at ground potential according to claim 1, wherein the angle between the push-pull handle and the arc-shaped connecting arm is 150 °.
8. A method for installing a special tool for replacing a lightning conductor damper with a ground potential according to any one of claims 1 to 7, comprising the steps of:
1) The ground operator pushes up the push-pull handle, and the push-pull handle drives the push-pull arm to ascend through the arc-shaped connecting arm, so that the pressing plate is pushed to ascend, and the distance between the pressing plate and the hammer supporting hook is increased;
2) Horizontally placing the damper on the damper hook, unscrewing a damper nut, and pulling down a push-pull handle, so as to drive the pressing plate to move downwards, and opening the movable hanging plate of the damper along with the continuous descending of the pressing plate after the pressing plate touches the movable hanging plate of the damper, so that the damper is in a state that a lightning wire is to be hung, and at the moment, the push-pull handle is pulled down to form a self-locking state;
3) One end of an operating rod is connected to the hole and fixed, an electrician hooks the bearing hook on the lightning conductor through the operating rod, lifts the operating rod after adjusting to a proper angle, clamps the lightning conductor between the movable hanging plate and the fixed hanging plate of the damper, then uses another operating rod to operate the anti-slip barb to reset the pressing plate, and the pressing plate is separated from the damper after reset, so that the movable hanging plate of the damper falls;
4) The nuts between the movable damper hanging plate and the fixed damper hanging plate are screwed tightly through the sleeve, so that the damper is firmly hung on the lightning conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210324031.7A CN114552483B (en) | 2022-03-30 | 2022-03-30 | Special tool for replacing lightning conductor damper with ground potential and mounting method of special tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210324031.7A CN114552483B (en) | 2022-03-30 | 2022-03-30 | Special tool for replacing lightning conductor damper with ground potential and mounting method of special tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114552483A CN114552483A (en) | 2022-05-27 |
| CN114552483B true CN114552483B (en) | 2023-07-25 |
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ID=81664695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210324031.7A Active CN114552483B (en) | 2022-03-30 | 2022-03-30 | Special tool for replacing lightning conductor damper with ground potential and mounting method of special tool |
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| Country | Link |
|---|---|
| CN (1) | CN114552483B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010200389A (en) * | 2009-02-23 | 2010-09-09 | Chugoku Electric Power Co Inc:The | Mounting tool of damper for overhead wire |
| CN106911112A (en) * | 2017-04-20 | 2017-06-30 | 国网河南省电力公司检修公司 | A kind of fixing device of transmission line antivibration hammer |
| CN112165023A (en) * | 2020-08-28 | 2021-01-01 | 广西电网有限责任公司来宾供电局 | Simple replacer for power line damper |
| CN112864939A (en) * | 2021-01-07 | 2021-05-28 | 国网安徽省电力有限公司淮北供电公司 | Tool for replacing damper of power transmission line |
-
2022
- 2022-03-30 CN CN202210324031.7A patent/CN114552483B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010200389A (en) * | 2009-02-23 | 2010-09-09 | Chugoku Electric Power Co Inc:The | Mounting tool of damper for overhead wire |
| CN106911112A (en) * | 2017-04-20 | 2017-06-30 | 国网河南省电力公司检修公司 | A kind of fixing device of transmission line antivibration hammer |
| CN112165023A (en) * | 2020-08-28 | 2021-01-01 | 广西电网有限责任公司来宾供电局 | Simple replacer for power line damper |
| CN112864939A (en) * | 2021-01-07 | 2021-05-28 | 国网安徽省电力有限公司淮北供电公司 | Tool for replacing damper of power transmission line |
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| Publication number | Publication date |
|---|---|
| CN114552483A (en) | 2022-05-27 |
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