CN112886519A - Intelligent automatic deicing robot for ultrahigh-voltage power grid cable - Google Patents
Intelligent automatic deicing robot for ultrahigh-voltage power grid cable Download PDFInfo
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- CN112886519A CN112886519A CN202110158722.XA CN202110158722A CN112886519A CN 112886519 A CN112886519 A CN 112886519A CN 202110158722 A CN202110158722 A CN 202110158722A CN 112886519 A CN112886519 A CN 112886519A
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- ice crushing
- ice
- box
- fixed
- wheel
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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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Abstract
The invention discloses an intelligent automatic deicing robot for cables of an extra-high voltage power grid, which comprises a sensing wheel box, a guide disc box, a stabilizing device, elastic rods and an ice crushing device, wherein the guide disc box is of a double-layer hollow structure, so that the sensing wheel box is concentrically embedded into the guide disc box, the side surface of the guide disc box is provided with arc-shaped cavities, a plurality of groups of arc-shaped cavities are arranged, the stabilizing device is arranged in each arc-shaped cavity, the outer side of each stabilizing device is connected with the ice crushing device, the center of each ice crushing device is of a hollow structure, so that the cables can be conveniently introduced into the ice crushing devices, and the other side, corresponding to the stabilizing device, of each ice crushing device is provided with a clamping cavity, so that the ice crushing devices are sleeved on the outer side surface of the cables, adjacent ice crushing devices are connected through.
Description
Technical Field
The invention relates to the technical field of cable deicing, in particular to an intelligent automatic deicing robot for cables of an extra-high voltage power grid.
Background
In cold weather, rain and snow accumulated on the ultrahigh voltage power grid cable are easy to form an ice layer, so that the cable bears a large load, safety accidents such as disconnection, collapse of a line tower and the like are easy to occur, and the rain, snow and ice layer covered on the cable needs to be removed in time. Because the ultrahigh voltage cable is in high-altitude operation, the wind power received by the ultrahigh voltage cable is large, and the cable continuously swings. The existing deicing device for the cable of the extra-high voltage power grid has the advantages that when an ice layer on the outer side wall of the cable is deiced, the cable continuously swings, so that the contact between an ice crushing cutter and the outer side wall of the cable is uneven, the ice crushing cutter is easy to damage, the depth of crushing, cutting or grinding the ice layer by the ice crushing cutter is too high or too low, and the cable is scratched or even cut off; and deicing efficiency is lower, and the broken ice that gets rid of directly drops, causes danger to resident, passerby below the cable.
Therefore, the person skilled in the art provides an intelligent automatic deicing robot for cables of an extra-high voltage power grid to solve the problems mentioned in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent automatic deicing robot for cables of an ultrahigh voltage power grid comprises a sensing wheel box, a guide disc box, a stabilizing device, an elastic rod and an ice crushing device, wherein the guide disc box is of a double-layer hollow structure, so that the sensing wheel box is concentrically embedded into the guide disc box, arc-shaped cavities are formed in the side surface of the guide disc box, multiple groups are arranged, the stabilizing device is arranged in each arc-shaped cavity, the ice crushing device is connected to the outer side of each stabilizing device, and the center of each ice crushing device is of a hollow structure, so that the cables can be conveniently transmitted into the ice crushing devices;
and the other side of the stabilizing device, which is corresponding to the ice crushing device, is provided with a clamping cavity so that the ice crushing device is sleeved on the outer side surface of the cable, and the adjacent ice crushing devices are connected through an elastic rod to form a closed structure in a city.
As a preferred technical scheme of the invention, the guide disc box comprises a rotating shaft, a semi-elliptical disc and a return spring, a fixed column is fixed at the center of the semi-elliptical disc, arc-shaped sliding grooves are formed in the plate surface of the inner side of the guide disc box close to the edge, a plurality of groups are arranged in a circumferential arrangement manner, the rotating shaft is fixed on the plate surface between the adjacent arc-shaped sliding grooves, arc-shaped sliding rails are arranged on the plate surface of the inner side of the arc-shaped sliding grooves, the return spring is arranged in the arc-shaped sliding rails, and two ends of the return spring are connected with the bottom ends of.
As a preferred technical scheme of the invention, the stabilizing device comprises a telescopic machine, a concave column box and a telescopic rod, wherein the left end of the telescopic machine is hinged to the sensing wheel box, the output end of the telescopic machine is fixedly connected with the inner top wall of the concave column box, and a semi-elliptical disc is clamped on the outer side wall of the concave column box;
a T-shaped rotating ring is fixed at the right end of the concave column box, a concave seat is rotatably connected at the right end of the T-shaped rotating ring, and a dislocation plate is hinged and connected in the concave seat;
the outer side wall of the concave column box close to the left side of the T-shaped rotating ring is fixedly sleeved with a connecting ring, and the left end and the right end of the telescopic rod are respectively hinged with the upper ends of the rotating shaft and the connecting ring and are arranged in two groups in a vertically symmetrical mode.
As a preferred technical scheme of the invention, the ice crushing device comprises an ice crushing wheel, a dislocation seat and an ice crushing blade, wherein a connecting seat is fixed on the left side wall of the ice crushing wheel, and a concave seat is fixed at the left end of the connecting seat and is hinged with the right end of the dislocation plate;
dislocation seats are further fixed on the side walls of the upper ice crushing wheel and the lower ice crushing wheel far away from the connecting seat, and an included angle formed by the dislocation seats and the connecting seat is 60 degrees;
the inside rotation of garrulous ice wheel is connected with the garrulous ice subassembly, be equipped with garrulous ice sword in the garrulous ice subassembly, and be the circumference and arrange and set up six groups, be close to still seted up the bin outlet on the garrulous ice wheel casing of garrulous ice subassembly lateral wall.
As a preferred technical scheme of the invention, the ice crushing component comprises a rotary ring box, a motor and an oscillator, wherein a straight gear rack ring groove is formed in the outer side wall of the rotary ring box, a main straight gear meshed with the straight gear rack ring groove is fixed at the output end of the motor, six groups of oscillators are fixed on the central side wall in the rotary ring box and are arranged in a circumferential manner, ice crushing cutters are fixed at the output ends of the oscillators, and torsion springs are sleeved on central hinge shafts of the ice crushing cutters;
the left side and the right side of the oscillator are also provided with air flow channels, telescopic pieces are fixed on the inner walls of the rotary ring boxes in the air flow channels, micro-heating fans are arranged in the middle of the telescopic pieces, and the output ends of the telescopic pieces are connected with cleaning balls.
As a preferable technical scheme of the invention, the right side of the ice crushing assembly is also provided with driving assemblies, and six groups of driving assemblies are arranged in a circumferential manner.
As a preferred technical scheme of the invention, the driving assembly comprises positioning telescopic rods, three groups of fixed plates and a main driving wheel, the upper ends of the positioning telescopic rods are fixed with the inner wall of the ice crushing wheel shell and are transversely and linearly arranged, the lower ends of the positioning telescopic rods are fixedly connected with the upper plate surface of the fixed plates, the adjacent fixed plates are transversely hinged, a vertical plate is fixed on the lower end surface of the fixed plate, the lower ends of the vertical plates are hinged and connected with rollers, and the right-most roller is the main driving wheel.
As a preferable technical scheme of the invention, a micro-rotating motor is arranged in the cleaning ball, and a cleaning brush is fixed at the output end of the micro-rotating motor.
Compared with the prior art, the invention provides an intelligent automatic deicing robot for an extra-high voltage power grid cable, which has the following beneficial effects:
1. according to the invention, the deicing device with the circular structure is arranged, so that the acting force on the cable in the deicing process is more uniform, each group of ice crushing wheels are connected through the elastic rods to form a closed loop structure, the cable is prevented from being affected by wind force and swings, and the tensile acting force generated by the deicing device is fixed by combining the semi-elliptical disc to guide the concave column box, so that the ice crushing wheels are more stable in the advancing process, and the deicing efficiency of the ice crushing cutter on the surface of the cable is improved.
2. According to the device, the advancing distance of each group of ice crushing wheels is collected through the sensing wheel box, the advancing speed of the ice crushing wheels is adjusted, the speed of a local thick ice layer area is reduced, incomplete ice crushing is avoided, the safety of the ice crushing is enhanced, and under the action of wind force, the ice crushing wheels can freely slightly twist at a certain angle through the matching of the T-shaped rotating ring and the dislocation plate, so that the twisting force between the connecting structures is reduced, and the stability and the firmness of the structure are further improved.
Drawings
Fig. 1 is a schematic structural view of an ultra-high voltage cable deicing robot according to the present invention;
fig. 2 is an enlarged schematic view of a partial structure of the ultra-high voltage cable deicing robot according to the present invention;
FIG. 3 is an enlarged view of the ice crushing assembly of the present invention;
in the figure: 1. a sensing wheel box; 2. a guide disc box; 3. a securing device; 4. an elastic rod; 5. an ice crushing device; 6. an ice crushing assembly; 7. a drive assembly; 21. a semi-elliptical disk; 22. a rotating shaft; 23. fixing a column; 24. a return spring; 31. a compressor; 32. a concave column box; 33. a telescopic rod; 34. t-shaped swivel; 35. a concave seat; 36. a dislocation plate; 37. rolling a ring; 51. an ice crushing wheel; 52. a dislocation seat; 53. an ice crushing blade; 54. a discharge outlet; 61. rotating the ring box; 62. a motor; 63. an oscillator; 64. a telescoping member; 65. cleaning balls; 71. a fixing plate; 72. positioning the telescopic rod; 73. a main drive wheel.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: an intelligent automatic deicing robot for cables of an extra-high voltage power grid comprises a sensing wheel box 1, a guide disc box 2, a stabilizing device 3, an elastic rod 4 and an ice crushing device 5, wherein the guide disc box 2 is of a double-layer hollow structure, so that the sensing wheel box 1 is concentrically embedded into the guide disc box 2, arc-shaped cavities are formed in the side surfaces of the guide disc box 2 and are provided with a plurality of groups, the stabilizing device 3 is arranged in each arc-shaped cavity, the ice crushing device 5 is connected to the outer side of each stabilizing device 3, and the center of the ice crushing device 5 is of a hollow structure, so that the cables can be conveniently transmitted into the ice crushing device 5;
a clamping cavity is formed in the other side, corresponding to the stabilizing device 3, of the ice crushing device 5, so that the ice crushing device 5 is sleeved on the outer side face of the cable, and the adjacent ice crushing devices 5 are connected through an elastic rod 4 to form a closed structure;
as the best embodiment, the fixing device 3, the elastic rod 4 and the ice crushing device 5 are all provided with six groups, and the elastic rod 4 and the fixing device 3 are matched with each other to telescopically adjust the distance between the ice crushing devices 5, so that the ice crushing device can adapt to the ice removal of different cable distances and multiple cables, and the attaching degree of the ice crushing devices 5 and the outer walls of the cables is improved.
Referring to fig. 2, in this embodiment, the guiding disc box 2 includes a rotating shaft 22, a semi-elliptic disc 21 and a return spring 24, a fixing column 23 is fixed at the center of the semi-elliptic disc 21, an arc-shaped sliding groove is formed in the plate surface of the guiding disc box 2 close to the edge, a plurality of sets are arranged in a circumferential manner, the rotating shaft 22 is fixed on the plate surface between the adjacent arc-shaped sliding grooves, an arc-shaped sliding rail is arranged on the plate surface of the inner side of the arc-shaped sliding groove, the return spring 24 is arranged in the arc-shaped sliding rail, two end heads of the return spring 24 are connected with the bottom end of the connecting fixing column 23, and the concave column box 32 is positioned and guided by the flat plate surface of the semi-.
In this embodiment, the stabilizing device 3 includes a telescopic machine 31, a concave column box 32 and a telescopic rod 33, the left end of the telescopic machine 31 is hinged to the sensing wheel box 1, the output end of the telescopic machine 31 is fixedly connected with the top wall inside the concave column box 32, and the outer side wall of the concave column box 32 clamps the semi-elliptic disc 21;
a T-shaped rotating ring 34 is fixed at the right end of the concave column box 32, a concave seat 35 is rotatably connected at the right end of the T-shaped rotating ring 34, and a dislocation plate 36 is hinged and connected inside the concave seat 35;
the outer side wall of the concave column box 32 close to the left side of the T-shaped swivel 34 is fixedly sleeved with a connecting ring, and the left end and the right end of the telescopic rod 33 are respectively hinged with the rotating shaft 22 and the upper end of the connecting ring and are symmetrically arranged in two groups up and down;
the telescopic rod 33 is matched with the telescopic machine 31 to adjust the telescopic length of the concave column box 32, the supporting strength of the concave column box 32 is enhanced, the twisting of the ice crushing wheel 51 can be matched and rotated through the T-shaped rotating ring 34 and the concave seat 35 connected with the left end of the T-shaped rotating ring in a rotating mode, and the ice crushing wheel 51 can be matched with the swinging in the ice crushing and walking process through the hinged connection structure of the dislocation plate 36, so that the acting force of the concave column box 32 is reduced.
In this embodiment, the ice crushing device 5 includes an ice crushing wheel 51, a dislocation seat 52 and an ice crushing blade 53, a connecting seat is fixed on the left side wall of the ice crushing wheel 51, and a concave seat 35 is fixed on the left end of the connecting seat and is hinged with the right end of the dislocation plate 36;
a dislocation seat 52 is fixed on the side wall 51 of the upper and lower ice crushing wheels far away from the connecting seat, and the included angle formed by the dislocation seat 52 and the connecting seat is 60 degrees;
the ice crushing wheel 51 is rotatably connected with an ice crushing assembly 6, six groups of ice crushing blades 53 are arranged in the ice crushing assembly 6 in a circumferential arrangement manner, and a discharge port 54 is formed in a shell of the ice crushing wheel 51 close to the outer side wall of the ice crushing assembly 6;
it should be noted that the elastic rod 4 connected to the dislocation seat 52 is a hinged structure, so as to reduce the direct acting force on the elastic rod 4 during the movement of the ice crushing wheel 51;
in a preferred embodiment, the discharge openings 54 are arranged in six groups circumferentially, and each group of the discharge openings 54 is located at a position between adjacent ice crushing blades 53.
Referring to fig. 3, in this embodiment, the ice crushing assembly 6 includes a rotary ring box 61, a motor 62 and an oscillator 63, a spur gear rack ring groove is formed in an outer side wall of the rotary ring box 61, a main spur gear meshed with the spur gear rack ring groove is fixed to an output end of the motor 62, the oscillator 63 is fixed to a central side wall inside the rotary ring box 61, six groups are circumferentially arranged, an ice crushing cutter 53 is fixed to an output end of the oscillator 63, and a torsion spring is sleeved on a central hinge shaft of the ice crushing cutter 53;
the left side and the right side of the oscillator 63 are also provided with air flow channels, telescopic pieces 64 are fixed on the inner walls of the rotary ring boxes 61 in the air flow channels, the middle parts of the telescopic pieces 64 are provided with micro-heating fans, and the output ends of the telescopic pieces 64 are connected with cleaning balls 65;
in a preferred embodiment, the ice crushing blade 53 is urged to be in a continuously opened and closed state by the elastic action of the torsion spring 63 to crush the ice layer, the cleaning ball 65 and the micro-heating fan 64 on the left side of the oscillator 63 clean the ice and snow in advance, and the cleaning ball 65 and the micro-heating fan 64 on the left side of the oscillator 63 on the right side deice the ice layer, so that the blockage of the accumulated snow entering the cleaning brush is reduced, the ice crushing blade 53 can directly act on the ice layer, and the accuracy of the amplitude depth of the driven ice crushing blade 53 in the process of crushing the ice layer is enhanced.
In this embodiment, the right side of the ice crushing assembly 6 is further provided with a driving assembly 7, and six groups are arranged in a circumferential manner.
In this embodiment, drive assembly 7 includes location telescopic link 72, fixed plate 71 and main drive wheel 73, location telescopic link 72 upper end is fixed with shredded ice wheel 51 casing inner wall, is horizontal linear arrangement and sets up three groups, face fixed connection on location telescopic link 72 lower extreme and the fixed plate 71 is adjacent fixed plate 71 is horizontal articulated to be connected, the terminal surface is fixed with vertical board under the fixed plate 71, vertical board lower extreme articulates and is connected with the gyro wheel, and rightmost side the gyro wheel is main drive wheel 73.
In this embodiment, a micro-rotating motor is arranged inside the cleaning ball 65, and a cleaning brush is fixed at the output end of the micro-rotating motor.
In specific implementation, a plurality of groups of clamping cavities on the ice crushing wheels 51 are sequentially opened, the elastic rods 4, the telescopic machine 31 and the telescopic rod 33 are matched for expansion and contraction, the ice crushing wheels 51 are sleeved on the outer side wall of a cable, the expansion and contraction lengths of the telescopic machine 31 and the telescopic rod 33 are adjusted and fixed through the sensing wheel box 1, the distance between the expansion and contraction lengths and the distance between the expansion and the telescopic rod 33 and the original cable are the same, the rotating ring box 61 is driven to rotate by the motor 62, the positioning telescopic, the forward speed is adjusted, and the ice crushing wheel 51 can freely slightly twist at a certain angle by the cooperation of the T-shaped rotary ring 34 and the offset plate 36.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an automatic deicing robot of extra-high voltage power grid cable intelligence, its includes sensing wheel case (1), deflector case (2), securing device (3), elastic rod (4) and trash ice device (5), its characterized in that: the guide disc box (2) is of a double-layer hollow structure, so that the sensing wheel box (1) is concentrically embedded into the guide disc box (2), arc-shaped cavities are formed in the side surface of the guide disc box (2), a plurality of groups of guide disc boxes are arranged, a stabilizing device (3) is arranged in each arc-shaped cavity, an ice crushing device (5) is connected to the outer side of each stabilizing device (3), and the center of each ice crushing device (5) is of a hollow structure so that cables can be conveniently transmitted into the ice crushing devices (5);
and the other side of the stabilizing device (3) corresponding to the ice crushing device (5) is provided with a clamping cavity, so that the ice crushing device (5) is sleeved on the outer side surface of the cable, and the adjacent ice crushing devices (5) are connected through an elastic rod (4) to form a closed structure.
2. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 1, wherein: the guiding disc box (2) comprises a rotating shaft (22), a semi-elliptical disc (21) and a reset spring (24), a fixing column (23) is fixed at the center of the semi-elliptical disc (21), arc-shaped sliding grooves are formed in the face, close to the edge, of the inner side of the guiding disc box (2), a plurality of groups are arranged on the circumference, and are adjacent to each other, the rotating shaft (22) is further fixed on the face between the arc-shaped sliding grooves, arc-shaped sliding rails are arranged on the face, on the inner side of the arc-shaped sliding grooves, the reset spring (24) is arranged in the arc-shaped sliding rails, and the two ends of the reset spring (24) are connected.
3. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 1, wherein: the stabilizing device (3) comprises a telescopic machine (31), a concave column box (32) and a telescopic rod (33), the left end of the telescopic machine (31) is hinged to the sensing wheel box (1), the output end of the telescopic machine (31) is fixedly connected with the inner top wall of the concave column box (32), and the outer side wall of the concave column box (32) is clamped with a semi-elliptical disc (21);
a T-shaped rotating ring (34) is fixed at the right end of the concave column box (32), a concave seat (35) is rotatably connected at the right end of the T-shaped rotating ring (34), and a dislocation plate (36) is hinged and connected in the concave seat (35);
the outer side wall of the concave column box (32) close to the left side of the T-shaped rotating ring (34) is fixedly sleeved with a connecting ring, and the left end and the right end of the telescopic rod (33) are respectively hinged with the rotating shaft (22) and the upper end of the connecting ring and are symmetrically arranged in two groups up and down.
4. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 1, wherein: the ice crushing device (5) comprises an ice crushing wheel (51), a dislocation seat (52) and an ice crushing blade (53), wherein a connecting seat is fixed on the left side wall of the ice crushing wheel (51), a concave seat (35) is fixed at the left end of the connecting seat, and the concave seat is hinged with the right end of the dislocation plate (36);
a dislocation seat (52) is further fixed on the side walls (51) of the upper ice crushing wheel and the lower ice crushing wheel far away from the connecting seat, and an included angle formed by the dislocation seat (52) and the connecting seat is 60 degrees;
garrulous ice wheel (51) internal rotation is connected with garrulous ice subassembly (6), be equipped with garrulous ice sword (53) in garrulous ice subassembly (6), and be the circumference and arrange and set up six groups, be close to bin outlet (54) have still been seted up on garrulous ice wheel (51) casing of garrulous ice subassembly (6) lateral wall.
5. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 4, wherein: the ice crushing component (6) comprises a rotary ring box (61), a motor (62) and an oscillator (63), wherein a straight gear rack ring groove is formed in the outer side wall of the rotary ring box (61), a main straight gear meshed with the straight gear rack ring groove is fixed at the output end of the motor (62), the oscillator (63) is fixed on the central side wall inside the rotary ring box (61) and is arranged in six groups in a circumferential arrangement mode, ice crushing knives (53) are fixed at the output end of the oscillator (63), and torsion springs are sleeved on central hinge shafts of the ice crushing knives (53);
the utility model discloses a cleaning ball, including oscillator (63), oscillator (64), be located be fixed with extensible member (64) on rotatory ring case (61) inner wall in the air current passageway, extensible member (64) middle part is equipped with little hot fan, extensible member (64) output is connected with cleaning ball (65).
6. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 4, wherein: and the right side of the ice crushing component (6) is also provided with a driving component (7) which is circumferentially arranged with six groups.
7. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 6, wherein: drive assembly (7) are including location telescopic link (72), fixed plate (71) and main drive wheel (73), location telescopic link (72) upper end is fixed with garrulous ice wheel (51) casing inner wall, is horizontal linear arrangement and sets up three groups, face fixed connection is gone up with fixed plate (71) to location telescopic link (72) lower extreme, and is adjacent fixed plate (71) horizontal articulated connection, the terminal surface is fixed with vertical board under fixed plate (71), vertical board lower extreme articulated is connected with the gyro wheel, and rightmost side the gyro wheel is main drive wheel (73).
8. The intelligent automatic deicing robot for the extra-high voltage power grid cables as claimed in claim 7, wherein: a micro-rotating motor is arranged inside the cleaning ball (65), and a cleaning brush is fixed at the output end of the micro-rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158722.XA CN112886519A (en) | 2021-02-04 | 2021-02-04 | Intelligent automatic deicing robot for ultrahigh-voltage power grid cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158722.XA CN112886519A (en) | 2021-02-04 | 2021-02-04 | Intelligent automatic deicing robot for ultrahigh-voltage power grid cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112886519A true CN112886519A (en) | 2021-06-01 |
Family
ID=76057373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110158722.XA Withdrawn CN112886519A (en) | 2021-02-04 | 2021-02-04 | Intelligent automatic deicing robot for ultrahigh-voltage power grid cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN112886519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090620A (en) * | 2022-07-12 | 2022-09-23 | 郑州铁路职业技术学院 | Cleaning device is patted on electric power transmission cable surface |
-
2021
- 2021-02-04 CN CN202110158722.XA patent/CN112886519A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090620A (en) * | 2022-07-12 | 2022-09-23 | 郑州铁路职业技术学院 | Cleaning device is patted on electric power transmission cable surface |
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Application publication date: 20210601 |