CN116345381B - Rope wave resonance deicing device for icing of overhead transmission line - Google Patents
Rope wave resonance deicing device for icing of overhead transmission line Download PDFInfo
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- CN116345381B CN116345381B CN202310592519.2A CN202310592519A CN116345381B CN 116345381 B CN116345381 B CN 116345381B CN 202310592519 A CN202310592519 A CN 202310592519A CN 116345381 B CN116345381 B CN 116345381B
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- 239000011248 coating agent Substances 0.000 claims abstract description 53
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- 238000004364 calculation method Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000003708 edge detection Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
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Classifications
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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
- H02G7/16—Devices for removing snow or ice from lines or cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses a rope wave resonance deicing device for icing of an overhead transmission line, which solves the problem of how to efficiently remove the icing on the transmission line in a convenient mode and belongs to the technical field of transmission cables; the locking type wire clamping device is clamped on the wire ice coating layer through the unmanned aerial vehicle, and the insulating rope is connected to the locking type wire clamping device; the ground is provided with a horizontal rotating disc, the lower end of an insulating rope is connected to the rotating disc, the middle part of the insulating rope is provided with a rubber insulating heavy hammer, the insulating rope and the rubber insulating heavy hammer on the insulating rope are thrown up through the rotating disc to make the insulating rope perform circular motion, namely, the rope wave can make the locking type wire clamping device vibrate like a large rope; the circumferential swinging frequency of the insulating rope is adjusted by controlling the rotating speed of the rotating disc, so that the vibration frequency generated by the locking wire clamping device is equal to the natural frequency of the ice coating section, namely, the phenomenon that the ice coating section and the locking wire clamping device resonate, namely, the rope wave resonates is created, and the quick removal of ice coating on the wire is realized.
Description
Technical Field
The invention relates to an overhead power transmission line, in particular to a rope wave resonance deicing device for icing of the overhead power transmission line.
Background
Due to the influence of large climates, microtopography and microclimate conditions, the icing phenomenon of overhead transmission lines is extremely easy to occur in rainy, snowy and frozen weather in many areas, so that the load of the transmission lines is increased, even accidents such as tower inversion, line breakage and flashover are caused, and huge economic losses are caused; for example: in the last ten days of 1 month of 2022, under the influence of low-temperature weather, a main network line of a jin city suffers from unprecedented freezing disasters, 21 lines of 110 kilovolts and more are sequentially subjected to ice coating at different degrees, and the main network of the jin city is seriously endangered to safe operation and reliable power supply in urban areas due to tripping caused by ice damage; aiming at the icing of overhead transmission lines, research works on snow theory, icing thickness, wire monitoring, tower reinforcement and the like are carried out at home and abroad, a large number of ice observation stations and weather stations are established, field observation and related data collection are carried out, and a large number of technologies of icing monitoring, wire deicing and the like are presented.
Patent publication No. CN113595007a, entitled "a deicing device and deicing method for electric transmission line" discloses a deicing device for removing ice coating on electric transmission line, the deicing device comprises an air compressor, a deicing device and an unmanned aerial vehicle, the deicing device is connected with a haulage rope and an insulated air pipe, the unmanned aerial vehicle is used for bypassing the electric transmission line and landing the haulage rope to the ground, the haulage rope is used for pulling the deicing device below the electric transmission line, the other end of the insulated air pipe is connected with the air compressor, the deicing device is provided with a piston, the air compressor provides air flow to drive the piston to reciprocate, a controller component is arranged at the joint of the insulated air pipe and the air compressor, the controller component is used for controlling start-stop and output quantity of air flow output, a guiding device is arranged on the upper surface of the deicing device, and the deicing device can more effectively remove ice coating on the electric transmission line; such deicing devices have the following problems: firstly, the outdoor mountain land of the overhead line is provided with a conducting wire with a height of tens of meters, and an insulating air pipe with the same length is required to be connected to generate air flow, so that the reciprocating motion effect is greatly reduced; secondly, a plurality of guide posts on the deicing device are possibly suitable for a light ice region (the ice coating thickness is not less than 10 mm) and a medium ice region (the ice coating thickness is not less than 20 mm) of the line, but the guide posts are influenced by the width of the light ice region (the ice coating thickness is not less than 30 mm) of the line, so that the piston is difficult to guide to the lower part of the guide wire; thirdly, the patent does not consider how to lock the icing section, the icing position can not be found in time, and the deicing timeliness is to be improved.
Disclosure of Invention
The invention provides a rope wave resonance deicing device for icing of an overhead transmission line, which solves the technical problem of how to efficiently remove the icing on the transmission line in a convenient mode.
The invention solves the technical problems by the following technical proposal:
the present general inventive concept: the locking wire clamping device is transported and firmly clamped on an ice-covered layer of a high-altitude power transmission wire through the unmanned aerial vehicle, and is a hoop type metal clamping ring; the upper end of the insulating rope is connected to the locking wire clamping device, a horizontal rotating disc is arranged on the ground, the lower end of the insulating rope is connected to the rotating disc, and a rubber insulating heavy hammer is arranged in the middle of the insulating rope; the insulating rope and the rubber insulating heavy hammer on the insulating rope are thrown up through the rotation of the rotary disk, so that the insulating rope is made to do circular motion, namely, the insulating rope is swung up like a large rope, and the swinging insulating rope and the rubber insulating heavy hammer which do circular motion can generate reciprocating vibration waves, namely, rope waves, and the rope waves act on a locking type wire clamping device at the upper end of the insulating rope, so that the locking type wire clamping device generates left-right reciprocating vibration; the circumferential swinging frequency of the insulating rope is adjusted by controlling the rotating speed of the rotating disc, so that the vibration frequency generated on the locking wire clamping device is equal to the natural frequency of the wire and the ice coating section on the wire, namely, the phenomenon that the ice coating section resonates with the locking wire clamping device, namely, the rope wave resonates is created, and the quick removal of ice coating on the wire is realized; the natural frequency refers to the natural vibration of a structural system according to a specific frequency when the structural system is excited to generate motion, and the specific frequency is called as the natural frequency of the structure, and the natural frequency is called as the natural frequency; the structural system of the invention refers to an ice-covered wire, and external excitation is an external excitation system which is formed by an insulating rope, a rubber insulating heavy hammer and a locking wire clamping device and generates rope wave vibration.
The rope wave resonance deicing device comprises an overhead transmission line, an unmanned aerial vehicle and a rotary driving motor, wherein an ice coating section is arranged on the overhead transmission line, the rotary driving motor is arranged on the ground right below the ice coating section, a horizontal rotary disk is connected to an output shaft extending upwards from the rotary driving motor, a locking type wire clamping device is clamped on the ice coating section, and the locking type wire clamping device is transported through the unmanned aerial vehicle and is clamped on the ice coating section; an upper section insulating rope is connected to the locking wire clamping device, a rubber insulating heavy hammer is hung at the lower end of the upper section insulating rope, a lower section insulating rope is connected to the lower end of the rubber insulating heavy hammer, and the lower end of the lower section insulating rope is connected to the outer circumference of the top surface of the horizontal rotating disc; after the rotary driving motor drives the horizontal rotary disk to rotate, the rubber insulation heavy hammer pulls the locking wire clamping device to vibrate, and the vibration frequency generated by the locking wire clamping device is equal to the natural frequency of the ice coating section.
Be provided with the snap ring on unmanned aerial vehicle's lower bottom surface, be provided with the hoist and connect insulating rope between snap ring and locking formula card line ware, the lower extreme of hoist and connect insulating rope is in the same place with locking formula card line ware.
The locking type wire clamping device consists of a sickle-shaped fixing half ring and a rotary swinging half ring, a connecting hinge is arranged between the lower end of the sickle-shaped fixing half ring and the upper end of the rotary swinging half ring, a torsion spring is arranged outside the connecting hinge, one end of the torsion spring is propped against the outer side surface of the lower end of the sickle-shaped fixing half ring, and the other end of the torsion spring is propped against the outer side surface of the upper end of the rotary swinging half ring; the lower end of the hanging insulating rope is connected with the upper end of the sickle-shaped fixing half ring, the upper end of the upper insulating rope is connected with the lower end of the sickle-shaped fixing half ring, and the rotary swinging half ring is connected with a manual traction insulating rope for overcoming torsion of the torsion spring; rubber elastic telescopic columns are arranged on the sickle-shaped fixing semi-ring and the rotary swinging semi-ring at intervals, and are propped inwards and connected to the outer side face of the ice-covering section.
The horizontal rotating disc consists of a central hemisphere and four cuboid-shaped swing arms, the inner side ends of the cuboid-shaped swing arms are fixedly connected with the lower ends of the outer spherical surfaces of the central hemispheres, and the four cuboid-shaped swing arms are arranged in a cross shape by taking the central hemispheres as the centers; a gear connecting spline is arranged at the center of the bottom end surface of the central hemisphere, and the central hemisphere is connected with a driving gear on an output shaft of the rotary driving motor through the gear connecting spline; vertical screw holes are formed in the cuboid-shaped swing arm at equal intervals, a wiring stud is connected to the lower end of the lower insulating rope, and the lower end of the wiring stud is screwed into the vertical screw holes; a counterweight stud is screwed in a vertical screw hole on the other cuboid-shaped swing arm which is 180 radians away from the wiring stud; an arc-shaped connecting beam is connected between the outer side ends of the two adjacent cuboid-shaped swing arms.
The rotary driving motor is fixedly arranged on the motor support, the splayed supporting legs of the motor support are arranged in subsurface soil, the splayed supporting legs are connected with a grounding wire device, the upper ends of liftable grounding wire struts in the grounding wire device are connected with the splayed supporting legs in a welded mode, and the lower ends of the liftable grounding wire struts are connected with the shoe-shaped gold ingot-shaped anti-pull-up base.
A camera is arranged on the unmanned aerial vehicle; the natural frequency of the ice-covered segment is obtained by modeling calculation after the image of the ice-covered segment is acquired by a camera.
The beneficial effects of the invention are as follows: through the same-frequency resonance principle, rope wave vibration of an external driving force is utilized, when the vibration frequency of the locking wire clamping device is equal to or close to the natural frequency of the ice coating on the wire, the wire ice coating is made to generate resonance, the live deicing operation of the wire ice coating section is completed, the treatment efficiency of the ice damage of the power transmission line is greatly improved, the risk of broken wire of the inverted tower is reduced, and the safe and stable operation of the line is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the structure of the latch-type thread clamp 7 of the present invention in an opened state;
fig. 3 is a schematic view of the structure of the locking wire clamp 7 of the present invention in a closed state;
fig. 4 is a schematic view of the structure of the horizontal rotary disk 11 of the present invention;
fig. 5 is a schematic structural view of the ground wire device 15 of the present invention;
in the figure: the cable comprises a 1-overhead transmission line, a 2-icing section, a 3-unmanned aerial vehicle, a 4-camera, a 5-clasp, a 6-lifting insulating rope, a 7-locking cable clamp, a 7-1-sickle-shaped fixed semi-ring, a 7-2-rotating swinging semi-ring, a 7-3-connecting hinge, a 7-4-torsion spring, a 7-5-rubber elastic telescopic column, an 8-upper insulating rope, a 9-rubber insulating heavy hammer, a 10-lower insulating rope, a 11-horizontal rotating disk, a 11-1-center hemisphere, a 11-2-gear connecting spline, a 11-3-cuboid swing arm, a 11-4-vertical screw hole, a 11-5-wiring stud, a 11-6-arc-shaped connecting beam, a 12-rotating driving motor, a 13-motor support, a 14-splayed support leg, a 15-grounding wire device, a 15-1-shoe-lifting base, a 15-2-liftable grounding wire support, a 16-counterweight stud and a 17-manual traction insulating rope.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the rope wave resonance deicing device for the ice coating of the overhead transmission line comprises an overhead transmission line 1, an unmanned aerial vehicle 3 and a rotary driving motor 12, wherein the overhead transmission line 1 is provided with an ice coating section 2, the rotary driving motor 12 is arranged on the ground right below the ice coating section 2, an output shaft extending upwards from the rotary driving motor 12 is connected with a horizontal rotary disk 11, a locking type wire clamping device 7 is clamped on the ice coating section 2, and the locking type wire clamping device 7 is conveyed through the unmanned aerial vehicle 3 and is clamped on the ice coating section 2; an upper section of insulating rope 8 is connected to the locking wire clamping device 7, a rubber insulating heavy hammer 9 is hung at the lower end of the upper section of insulating rope 8, a lower section of insulating rope 10 is connected to the lower end of the rubber insulating heavy hammer 9, and the lower end of the lower section of insulating rope 10 is connected to the outer circumference of the top surface of the horizontal rotary disk 11; after the rotary driving motor 12 drives the horizontal rotary disk 11 to rotate, the rubber insulation heavy hammer 9 pulls the locking wire clamping device 7 to vibrate, and the frequency of vibration generated by the locking wire clamping device 7 is equal to the natural frequency of the ice coating section 2; the rubber insulating heavy hammer 9 can adopt a high-strength rubber material as a main body material of the heavy hammer, the rubber insulating heavy hammer 9 is shaped like an insulator string, the diameter is larger than 60 mm, and the height is larger than 150 mm so as to bear possible induced voltage and mechanical stress; in order to ensure the strength and stability of the rubber insulation heavy hammer 9, the rubber insulation heavy hammer 9 adopts a mode of overlapping a plurality of rubber sleeves, and a steel core with anti-tearing fibers is inserted into the rubber insulation heavy hammer 9 to increase the bearing capacity of the rubber insulation heavy hammer 9; the two ends of the rubber insulation weight 9 are connected with thick insulation ropes (Dinima ropes with the length of more than 8 mm).
Be provided with snap ring 5 on unmanned aerial vehicle 3's lower bottom surface, be provided with the hoist insulating rope 6 between snap ring 5 and locking formula card line ware 7, hoist insulating rope 6's lower extreme is in the same place with locking formula card line ware 7 connection.
The locking wire clamp 7 consists of a sickle-shaped fixing semi-ring 7-1 and a rotary swinging semi-ring 7-2, a connecting hinge 7-3 is arranged between the lower end of the sickle-shaped fixing semi-ring 7-1 and the upper end of the rotary swinging semi-ring 7-2, a torsion spring 7-4 is arranged outside the connecting hinge 7-3, one end of the torsion spring 7-4 is propped against the outer side surface of the lower end of the sickle-shaped fixing semi-ring 7-1, and the other end of the torsion spring 7-4 is propped against the outer side surface of the upper end of the rotary swinging semi-ring 7-2; the lower end of the hanging insulating rope 6 is connected with the upper end of the sickle-shaped fixing semi-ring 7-1, the upper end of the upper insulating rope 8 is connected with the lower end of the sickle-shaped fixing semi-ring 7-1, and the rotary swinging semi-ring 7-2 is connected with a manual traction insulating rope 17 which overcomes the torsion force of the torsion spring 7-4; rubber elastic telescopic columns 7-5 are arranged on the sickle-shaped fixed semi-ring 7-1 and the rotary swinging semi-ring 7-2 at intervals, and the rubber elastic telescopic columns 7-5 are propped inwards and connected to the outer side surface of the ice-covering section 2; after the ice coating section 2 on the overhead transmission line 1 is locked, the locking type wire clamping device 7 in the open state is hung on the clamping ring 5, the unmanned aerial vehicle 3 is put away, the unmanned aerial vehicle 3 is hung on the locking type wire clamping device 7 in the open state, the locking type wire clamping device flies to the ice coating section 2 in the high air, in the ascending process, ground operators overcome the torsion force of the torsion spring 7-4 by pulling the manual traction insulating rope 17, the locking type wire clamping device 7 is in the open state, when the unmanned aerial vehicle 3 is hung on the ice coating section 2 on the overhead transmission line 1, the unmanned aerial vehicle 3 is released from the traction of the manual traction insulating rope 17, the rotary swinging half ring 7-2 is rotated and closed under the action of the torsion spring 7-4, the locking type wire clamping device 7 is clamped on the outer side surface of the ice coating section 2, and the inner side end of the rubber elastic telescopic column 7-5 on the unmanned aerial vehicle is propped against the ice coating section 2, and the hanging of the locking type wire clamping device 7 on the ice coating section 2 is completed.
The horizontal rotary disc 11 is a rotary disc frame composed of a central hemisphere 11-1 and four cuboid-shaped swing arms 11-3, the inner side ends of the cuboid-shaped swing arms 11-3 are fixedly connected with the lower ends of the outer spherical surfaces of the central hemisphere 11-1, and the four cuboid-shaped swing arms 11-3 are arranged in a cross shape by taking the central hemisphere 11-1 as the center; a gear connecting spline 11-2 is arranged at the center of the bottom end surface of the central hemisphere 11-1, and the central hemisphere 11-1 is connected with a driving gear on the output shaft of the rotary driving motor 12 through the gear connecting spline 11-2; vertical screw holes 11-4 are formed in the cuboid-shaped swing arm 11-3 at equal intervals, a wiring stud 11-5 is connected to the lower end of the lower section of the insulating rope 10, and the lower end of the wiring stud 11-5 is in threaded connection with the vertical screw holes 11-4; a counterweight stud 16 is screwed in a vertical screw hole 11-4 on the other cuboid-shaped swing arm 11-3 which is 180 radians away from the wiring stud 11-5; an arc-shaped connecting beam 11-6 is connected between the outer side ends of the two adjacent cuboid-shaped swing arms 11-3; the upper section insulating rope 8, the rubber insulating heavy hammer 9 and the lower section insulating rope 10 are connected together, the length of the upper section insulating rope is larger than the distance between the locking wire clamping device 7 and the horizontal rotating disk 11, and when the horizontal rotating disk 11 rotates, the lower end of the lower section insulating rope 10 is driven to do circular motion, so that the whole insulating rope swings, like a large rope, the motion track of the whole insulating rope is in a stick shape with large middle and small two ends, rope wave vibration is formed, the rope wave enables the locking wire clamping device 7 clamped on the ice coating section 2 to vibrate, when the vibration frequency generated by the locking wire clamping device 7 is close to or equal to the natural frequency of the ice coating section 2, resonance occurs between the locking wire clamping device 7 and the horizontal rotating disk 11, and resonance waves enable ice coating to generate cracks and fall off, so that the ice coating section ice removing device has a rapid ice removing effect.
The rotary driving motor 12 is fixedly arranged on the motor support 13, the splayed supporting leg 14 of the motor support 13 is arranged in subsurface soil, the splayed supporting leg 14 is connected with a grounding wire device 15, the upper end of a liftable grounding wire support 15-2 in the grounding wire device 15 is welded with the splayed supporting leg 14, and the lower end of the liftable grounding wire support 15-2 is connected with a shoe-shaped gold ingot-shaped anti-pull-up base 15-1; because the insulating rope drives the rubber insulating heavy hammer 9 to rotate, upward pulling force can be generated, and the shoe-shaped gold ingot-shaped anti-pull-up base 15-1 can overcome the pulling force.
A camera 4 is arranged on the unmanned aerial vehicle 3; the natural frequency of the ice-covered segment 2 is obtained by modeling calculation after the image of the ice-covered segment 2 is acquired by the camera 4; by adjusting the length of the insulating rope and the rotational speed of the rotary drive motor 12, an adjustment of the rotational frequency of the insulating rope can be achieved so as to be close to or equal to the natural frequency of the ice-covered section 2.
The natural frequency of the ice-covered section 2 is obtained by the following method:
firstly, an onboard icing thickness monitoring device is installed on the top of an unmanned aerial vehicle 3, and the functions of the onboard icing thickness monitoring device comprise that the front end collects image and temperature and humidity data, information is transmitted through GPRS/CDMP/OPGW/4G, and the icing condition is monitored in real time by a screen of an unmanned aerial vehicle controller;
secondly, acquiring pictures before and after an icing section of a wire by adopting technologies such as an image processing method, an edge detection algorithm and the like, an icing terminal acquisition system of a power transmission line and a designed system, and analyzing and calculating the icing thickness and width; extracting the boundary of the target wire by using an image edge detection algorithm, performing contour tracking, geometric shape feature analysis and other treatments on the extracted boundary to obtain a complete wire boundary after icing, and obtaining the number of relevant pixels; converting the image coordinate pixel value into a world coordinate metric unit value by using a camera calibration technology, so as to calculate the icing thickness and width of the lead;
then, an approximate differential equation of the ice-covered wire of the power transmission line is established as follows:
acquiring an image before ice coating and an image after ice coating of the ice coating section (2), calculating the thickness and width of the ice coating section (2), and then establishing an approximate differential equation of the ice coating section (2):
EI (∂ 2 y) ∕(∂ 2 x)=M(x)；
the mathematical model of the natural frequencies of each order of the ice-coating section (2) is as follows:
(ω n ) 2 =(n∕l) 4 (π∕b) 2 (EI∕ρ), n=1,2,3,4,5……；
wherein,,M(x)is a bending moment, and is a bending moment,lis the length of ice coating; b is the thickness of the ice coating,ρis the density of ice, E is the elastic modulus of the wire of the ice-covered segment (2), I is the section moment of inertia, omega i Is the i-order natural frequency;
natural frequency omega of ice-covered segment (2) G The method comprises the following steps:
ω G =ω 1 +ω 2 +ω 3 +ω 4 +……+ω n ；
analyzing and establishing a mathematical model of the external driving force after icing, analyzing the vibration frequency of the external driving force, setting the vibration amplitude, determining the vibration frequency range required by deicing, and completing the determination of vibration parameters, thereby determining the operation parameters of a system which is formed by an insulating rope, a rubber insulating heavy hammer and a locking wire clamping device and generates sound wave vibration.
Claims (6)
1. The rope wave resonance deicing device for the ice coating of the overhead transmission line comprises the overhead transmission line (1), an unmanned aerial vehicle (3) and a rotary driving motor (12), wherein an ice coating section (2) is arranged on the overhead transmission line (1), the rotary driving motor (12) is arranged on the ground right below the ice coating section (2), and a horizontal rotary disk (11) is connected to an output shaft extending upwards from the rotary driving motor (12), and the deicing device is characterized in that a locking type wire clamping device (7) is clamped on the ice coating section (2), and the locking type wire clamping device (7) is conveyed through the unmanned aerial vehicle (3) and is clamped on the ice coating section (2); an upper section of insulating rope (8) is connected to the locking wire clamping device (7), a rubber insulating heavy hammer (9) is hung at the lower end of the upper section of insulating rope (8), a lower section of insulating rope (10) is connected to the lower end of the rubber insulating heavy hammer (9), and the lower end of the lower section of insulating rope (10) is connected to the outer circumference of the top surface of the horizontal rotary disc (11); after the rotary driving motor (12) drives the horizontal rotary disk (11) to rotate, the rubber insulation heavy hammer (9) pulls the locking wire clamping device (7) to vibrate, and the frequency of vibration generated by the locking wire clamping device (7) is equal to the natural frequency of the ice coating section (2).
2. Rope wave resonance deicing device for overhead transmission line icing according to claim 1, characterized in that a clamping ring (5) is arranged on the lower bottom surface of the unmanned aerial vehicle (3), a hanging insulation rope (6) is arranged between the clamping ring (5) and the locking wire clamping device (7), and the lower end of the hanging insulation rope (6) is connected with the locking wire clamping device (7).
3. The rope wave resonance deicing device for ice coating of overhead transmission lines according to claim 2, characterized in that the locking wire clamping device (7) consists of a sickle-shaped fixing semi-ring (7-1) and a rotary swinging semi-ring (7-2), a connecting hinge (7-3) is arranged between the lower end of the sickle-shaped fixing semi-ring (7-1) and the upper end of the rotary swinging semi-ring (7-2), a torsion spring (7-4) is arranged outside the connecting hinge (7-3), one end of the torsion spring (7-4) is propped against the outer side surface of the lower end of the sickle-shaped fixing semi-ring (7-1), and the other end of the torsion spring (7-4) is propped against the outer side surface of the upper end of the rotary swinging semi-ring (7-2); the lower end of the hanging insulating rope (6) is connected with the upper end of the sickle-shaped fixing half ring (7-1), the upper end of the upper insulating rope (8) is connected with the lower end of the sickle-shaped fixing half ring (7-1), and the rotary swinging half ring (7-2) is connected with a manual traction insulating rope (17) which overcomes the torsion force of the torsion spring (7-4); rubber elastic telescopic columns (7-5) are arranged on the sickle-shaped fixing semi-ring (7-1) and the rotary swinging semi-ring (7-2) at intervals, and the rubber elastic telescopic columns (7-5) are propped inwards and connected to the outer side face of the ice coating section (2).
4. The rope wave resonance deicing device for ice coating of overhead transmission lines according to claim 1, wherein the horizontal rotary disk (11) consists of a central hemisphere (11-1) and four cuboid-shaped swing arms (11-3), the inner side ends of the cuboid-shaped swing arms (11-3) are fixedly connected with the lower ends of the outer spherical surfaces of the central hemispheroids (11-1), and the four cuboid-shaped swing arms (11-3) are centered on the central hemispheroids (11-1) and are arranged in a cross shape; a gear connecting spline (11-2) is arranged at the center of the bottom end surface of the central hemisphere (11-1), and the central hemisphere (11-1) is connected with a driving gear on the output shaft of the rotary driving motor (12) through the gear connecting spline (11-2); vertical screw holes (11-4) are formed in the cuboid-shaped swing arm (11-3) at equal intervals, a wiring stud (11-5) is connected to the lower end of the lower-section insulating rope (10), and the lower end of the wiring stud (11-5) is in threaded connection with the vertical screw holes (11-4); a counterweight stud (16) is screwed in a vertical screw hole (11-4) on the other cuboid-shaped swing arm (11-3) which is 180 radians away from the wiring stud (11-5); an arc-shaped connecting beam (11-6) is connected between the outer side ends of the two adjacent cuboid-shaped swing arms (11-3).
5. Rope wave resonance deicing device for overhead transmission line icing according to claim 1, characterized in that the rotary driving motor (12) is fixedly arranged on the motor support (13), the splayed supporting leg (14) of the motor support (13) is arranged in the subsurface soil, the splayed supporting leg (14) is connected with a grounding wire device (15), the upper end of a liftable grounding wire support (15-2) in the grounding wire device (15) is welded with the splayed supporting leg (14), and the lower end of the liftable grounding wire support (15-2) is connected with a shoe-shaped anti-pull-up base (15-1).
6. Rope wave resonance deicing device for overhead transmission line icing according to claim 1, characterized in that a camera (4) is arranged on the unmanned aerial vehicle (3); the natural frequency of the ice-covered segment (2) is obtained by modeling calculation after the image of the ice-covered segment (2) is acquired by the camera (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| WO2002084834A1 (en) * | 2001-04-11 | 2002-10-24 | Lars Berglund | A method and a device for removing ice and snow from a powerline |
| JP2005156414A (en) * | 2003-11-27 | 2005-06-16 | Aisin Seiki Co Ltd | Apparatus for measuring surface plasmon resonance |
| CN203491645U (en) * | 2013-08-30 | 2014-03-19 | 贵州电网公司输电运行检修分公司 | Mechanical-vibration-type deicing device for power transmission line |
| CN103810923A (en) * | 2012-11-03 | 2014-05-21 | 江苏省天一中学 | Resonance and standing wave dual-purpose demonstrator |
| CN212114725U (en) * | 2020-06-26 | 2020-12-08 | 刘�东 | Mechanical vibration type deicing device for power transmission wire |
| CN112930872A (en) * | 2021-03-03 | 2021-06-11 | 新疆农业科学院农业机械化研究所 | Pull-type vibration fruit-dropping harvester |
| CN115800166A (en) * | 2022-12-05 | 2023-03-14 | 河南送变电建设有限公司 | Novel ground wire deicing device and deicing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO313219B1 (en) * | 2000-12-07 | 2002-08-26 | Protura As | Apparatus and method for removing foreign matter such as ice / snow from an overhead line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002084834A1 (en) * | 2001-04-11 | 2002-10-24 | Lars Berglund | A method and a device for removing ice and snow from a powerline |
| JP2005156414A (en) * | 2003-11-27 | 2005-06-16 | Aisin Seiki Co Ltd | Apparatus for measuring surface plasmon resonance |
| CN103810923A (en) * | 2012-11-03 | 2014-05-21 | 江苏省天一中学 | Resonance and standing wave dual-purpose demonstrator |
| CN203491645U (en) * | 2013-08-30 | 2014-03-19 | 贵州电网公司输电运行检修分公司 | Mechanical-vibration-type deicing device for power transmission line |
| CN212114725U (en) * | 2020-06-26 | 2020-12-08 | 刘�东 | Mechanical vibration type deicing device for power transmission wire |
| CN112930872A (en) * | 2021-03-03 | 2021-06-11 | 新疆农业科学院农业机械化研究所 | Pull-type vibration fruit-dropping harvester |
| CN115800166A (en) * | 2022-12-05 | 2023-03-14 | 河南送变电建设有限公司 | Novel ground wire deicing device and deicing method thereof |
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| CN116345381A (en) | 2023-06-27 |
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