CN111193236B - Overhead line defroster - Google Patents
Overhead line defroster Download PDFInfo
- Publication number
- CN111193236B CN111193236B CN202010162485.XA CN202010162485A CN111193236B CN 111193236 B CN111193236 B CN 111193236B CN 202010162485 A CN202010162485 A CN 202010162485A CN 111193236 B CN111193236 B CN 111193236B
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- deicing
- arc
- ice
- shaped
- cylindrical
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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
Abstract
The invention discloses an overhead line deicing device, which comprises two cylindrical ice breaking hammers and is characterized in that one end of each cylindrical ice breaking hammer is fixedly provided with an arc-shaped bulge, the top of each arc-shaped bulge is fixedly provided with a quadrangular frustum, the top surfaces of the quadrangular frustum are symmetrically fixedly provided with two inner arc-shaped cutters, the arc-shaped surfaces of the inner arc-shaped cutters are provided with first cutting edges, the ice knocking device comprises two triangular ice knocking rods, a plurality of triangular bulges are fixed on the side surfaces of the ice knocking rods, two cylinder deicing wheels of defroster body installation, a plurality of triangular prism sword are fixed to cylinder deicing wheel lateral surface, arc prism sword in the side of triangular prism sword is fixed, and the prism sword of arc is prismatic outside three prism sword another side is fixed, and arc deicing wheel in two of defroster body installation, interior arc deicing wheel include interior arc deicing wheel body, and arc triangular prism sword is fixed to interior arc deicing wheel body side, and the deicing sword is fixed at interior arc triangular prism sword both ends. The invention can improve the defects of the prior art and improve the deicing effect of the overhead line deicing device.
Description
Technical Field
The invention relates to the technical field of electric power facility maintenance, in particular to an overhead line deicing device.
Background
With the development of the national electric power industry, the coverage of a power supply grid is continuously increased, and a power transmission line is erected in the outdoor high air, so that the power transmission line is particularly important to protect the power transmission line. In winter with sufficient rain and snow, due to sudden drop of temperature, moisture on the surface of the power transmission line is easy to condense into ice, and meanwhile, the moisture accumulated on the surface of the power transmission line during snowing is easy to condense for a long time to form frozen ice, so that the power transmission line is damaged in different degrees. Because overhead lines are extremely wide in distribution, the aim of deicing is difficult to achieve only by manpower, the deicing effect is poor, the efficiency is low, the period is long, the labor consumption is high, and the requirement for large-scale line deicing is difficult to achieve. The existing mechanical deicing has the problems of low efficiency and incomplete deicing.
Disclosure of Invention
The invention aims to provide an overhead line deicing device, which can overcome the defects of the prior art and can quickly and effectively remove ice on the surface of an overhead line.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
An overhead line deicing device comprises two cylindrical ice breaking hammers, and is characterized in that one end of each cylindrical ice breaking hammer, close to an overhead line, is fixedly provided with an arc-shaped bulge, the top of each arc-shaped bulge is fixedly provided with a quadrangular frustum pyramid, the top surface of the quadrangular frustum pyramid is symmetrically fixedly provided with two side-surface contact inner arc-shaped cutters, the symmetry axes of the two inner arc-shaped cutters are perpendicular to the top surface of the quadrangular frustum pyramid, the arc-shaped surfaces of the inner arc-shaped cutters are provided with first cutting edges, the two cylindrical ice breaking hammers are symmetrically distributed on two sides of the overhead line, the side surfaces of the cylindrical ice breaking hammers are in threaded connection with cylindrical connecting rods, one end of each cylindrical connecting rod, close to the overhead line, is fixedly provided with an arc-shaped convex surface, the other end of each cylindrical connecting rod is connected with a deicing device body through a first piston mechanism, the first piston mechanism is sleeved with a first spring, the arc-shaped convex surface is in contact with an elliptic column rotating wheel, the elliptic column rotating wheel is installed on the deicing device body, the deicing device is provided with an ice knocking device, the ice knocking device comprises two triangular plane ice knocking rods, the ice knocking rods are arranged below an overhead line, a plurality of triangular bulges are fixed on the side surfaces of the ice knocking rods, the two ice knocking rods are symmetrically fixed on the side surfaces of a circular base plate, the circular base plate is arranged on a deicing device body, a heating device is arranged on the deicing device body close to the overhead line, a storage battery is arranged on the deicing device body, the heating device is electrically connected with the storage battery, two cylindrical deicing wheels are arranged on the deicing device body, the two cylindrical deicing wheels are symmetrically distributed on two sides of the overhead line, each cylindrical deicing wheel comprises a deicing cylindrical ring, a plurality of triangular prism knives are fixed on the outer side surfaces of the deicing cylindrical rings, another inner arc prism knife is fixed on the side surface of each triangular prism knife, another outer arc prism knife is fixed on the side surface of each triangular prism knife, each deicing cylindrical ring is connected with a second piston mechanism through a first support, and a second spring is sleeved on the second piston mechanism, the second piston mechanism is connected with the deicing device body, two inner arc-shaped deicing wheels are installed on the deicing device body, the two inner arc-shaped deicing wheels are symmetrically distributed on two sides of an overhead line, each inner arc-shaped deicing wheel comprises an inner arc-shaped deicing wheel body, the side face of each inner arc-shaped deicing wheel body is provided with an arc-shaped triangular prism blade, two ends of each arc-shaped triangular prism blade are symmetrically fixed with the deicing blade, each inner arc-shaped deicing wheel is connected with the deicing device body through a second support, a first guide ring and a second guide ring are installed on the deicing device body, the first guide ring and the second guide ring are sleeved on the outer side of the overhead line, and the two cylindrical ice breaking hammers, the ice knocking device, the heating device, the storage battery, the cylindrical deicing wheels, the inner arc-shaped deicing wheels, the first guide ring and the second guide ring are sequentially arranged from the front portion to the tail portion of the deicing device body.
Preferably, conical protrusions are fixed to four side surfaces of the quadrangular frustum pyramid respectively.
Preferably, a plurality of arched cutters are fixed on the side surface of the inner arc prismatic cutter, and the arched surfaces of the arched cutters are tangent to the arched surface of the inner arc prismatic cutter.
Preferably, a reinforcing rib is arranged on the top surface of the ice knocking rod.
Preferably, the elliptic cylinder rotating wheel is sleeved with the lower part of the outer ring of the bearing, the upper part of the outer ring of the bearing is sleeved with the belt shaft, the inner ring of the bearing is sleeved with the fixed rod, and the fixed rod is fixed with the deicing device body through the fixed frame.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the ice removing device is sequentially provided with four ice removing components, namely a cylindrical ice breaking hammer, an ice knocking device, a cylindrical ice removing wheel and an inner arc-shaped ice removing wheel, and can be used for sequentially removing ice on the surface of an overhead line. Firstly, the elliptic cylinder runner is sleeved with the lower part of the outer ring of the bearing, the upper part of the outer ring of the bearing is sleeved with the belt shaft, the inner ring of the bearing is sleeved with the fixed rod, and the elliptic cylinder runner rotates to drive the two cylindrical ice breaking hammers to stably knock the ice surface of the overhead line at the same time. The cylindrical ice breaking hammer is characterized in that an inner arc-shaped knife is in contact with an ice surface on the side surface of an overhead line and penetrates into the ice surface, a quadrangular frustum props up the ice surface, a conical protrusion further breaks the ice surface processed by the quadrangular frustum, the ice is finally broken and falls off, cracks are caused on the bottom surface and the top surface, an ice knocking rod of an ice knocking device knocks an ice pendant below the overhead line, a triangular protrusion on the side surface of the ice knocking rod easily punctures the surface of the ice pendant, the bottom surface ice which is knocked by the cylindrical ice breaking hammer to generate cracks can be knocked off, further damage is caused on the surrounding ice surface, an ice knocking rod reinforcing rib is designed to effectively enhance the strength and toughness of the ice knocking rod, then the heating device heats the ice, a cutter easily penetrates into the ice surface, an arch-shaped knife penetrates into the ice surface on the side surface which generates cracks, the inner arc-shaped prism-shaped knife is used for rotary cutting, and an outer arc-shaped prism-shaped knife further penetrates into the ice surface to remove the residual ice on the two side surfaces of the overhead line, in the process, further cracks are caused on the upper portion and the bottom ice surface of the overhead line due to the side ice rotary cutting, the two side faces of the overhead line are thoroughly cleared through the arc triangular prism blades by the inner arc-shaped ice removing wheels, the top ice and the side ice are accumulated and broken, a certain degree of cutting is generated, the ice removing blades are symmetrically arranged at two ends of the inner arc-shaped triangular prism blades, and the ice remained at the bottom and the upper portion of the overhead line can be effectively removed through cutting. When above four kinds of deicing parts clear away this position ice surface to destroy adjacent ice surface, so destroy and clear away same ice surface repeatedly, finally clear away overhead line surface thoroughly, and cylinder deicing wheel and interior arc deicing wheel have the effect of deicing on the one hand, and on the other hand accessible and the interlock drive whole overhead line defroster of overhead line ice surface advance. Meanwhile, the arrangement of the first guide ring and the second guide ring enables the whole overhead line deicing device to operate stably, and the deicing effect of the device is further facilitated.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a structural view of a cylindrical ice breaking hammer according to an embodiment of the present invention.
Fig. 3 is a structural view of a circular arc-shaped protrusion in an embodiment of the present invention.
Fig. 4 is a structural view of an ice striking bar according to an embodiment of the present invention.
FIG. 5 is a structural view of a cylindrical ice removing wheel according to an embodiment of the present invention.
FIG. 6 is a block diagram of an inner curved prismatic knife in accordance with one embodiment of the present invention.
FIG. 7 is a structural view of an inner arc-shaped ice removing wheel body according to an embodiment of the present invention.
FIG. 8 is a block diagram of an ice blade according to an embodiment of the present invention.
Figure 9 is a block diagram of an elliptical cylinder rotor in accordance with an embodiment of the present invention.
In the figure: 1. a cylindrical ice-breaking hammer; 2. a first piston mechanism; 3. a cylindrical connecting rod; 4. an elliptic cylindrical rotating wheel; 5. a first spring; 6. a circular ring chassis; 7. an ice knocking rod; 8. an ice knocking device; 9. a heating device; 10. a second piston mechanism; 11. a cylindrical de-icing wheel; 12. a first bracket; 13. a storage battery; 14. a second bracket; 15. an inner arc-shaped deicing wheel; 16. a first guide ring; 17. a second guide ring; 18. an overhead line; 19. a deicer body; 20. a second spring; 21. a circular arc-shaped bulge; 102. a quadrangular frustum pyramid; 103. a conical projection; 104. an inner arc-shaped knife; 105. a first blade, 71, a triangular protrusion; 72. reinforcing ribs; 111. deicing cylindrical rings; 112. a triangular prism-shaped knife; 113. an inner arc prism knife; 114. an inner arc prism knife; 115. an arched knife; 151. an arc triangular prism blade; 152. an ice removing blade; 153. a first fan blade; 154. a triangular knife; 155. a third blade; 156. an isosceles right triangle knife face; 157. a second fan-shaped knife; 158. a second blade; 159. an inner arc-shaped deicing wheel body; 41. fixing the rod; 42. a bearing; 43. a belt shaft; 44. a fixing frame.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-9, a specific embodiment of the present invention includes two cylindrical ice breaking hammers 1, and is characterized in that one end of the cylindrical ice breaking hammer 1 close to an overhead line 18 is fixed with an arc-shaped protrusion 101, the top of the arc-shaped protrusion 101 is fixed with a quadrangular frustum 102, the top surface of the quadrangular frustum 102 is symmetrically fixed with two side surfaces contacting inner arc-shaped knives 104, the symmetry axes of the two inner arc-shaped knives 104 are perpendicular to the top surface of the quadrangular frustum 102, the arc-shaped surface of the inner arc-shaped knife 104 is provided with a first knife edge 105, the two cylindrical ice breaking hammers 1 are symmetrically distributed on both sides of the overhead line 18, the side surfaces of the cylindrical ice breaking hammers 1 are screwed with cylindrical connecting rods 3, one end of the cylindrical connecting rods 3 close to the overhead line 18 is fixed with an arc-shaped convex surface 31, the other end of the cylindrical connecting rods 3 is connected with a deicing device body 19 through a first piston mechanism 2, the first piston mechanism 2 is sleeved with a first spring 5, the arc-shaped convex surface 31 is contacted with an elliptic cylindrical rotating wheel 4, the elliptic cylindrical rotating wheel 4 is arranged on a deicing device body 19, the deicing device body 19 is provided with an ice knocking device 8, the ice knocking device 8 comprises two triangular plane ice knocking rods 7, the ice knocking rods 7 are arranged below an overhead line 18, a plurality of triangular protrusions 71 are fixed on the side surfaces of the ice knocking rods 7, the two ice knocking rods 7 are symmetrically fixed on the side surfaces of a circular base plate 6, the circular base plate 6 is arranged on the deicing device body 19, a heating device 9 is arranged on the deicing device body 19 close to the overhead line 18, a storage battery 13 is arranged on the deicing device body 19, the heating device 9 is electrically connected with the storage battery 13, the deicing device body 19 is provided with two cylindrical deicing wheels 11, the two cylindrical deicing wheels 11 are symmetrically distributed on two sides of the overhead line 18, each cylindrical deicing wheel 11 comprises a deicing cylindrical ring 111, and a plurality of triangular prism cutters 112 are fixed on the outer side surface of the deicing cylindrical ring 111, an inner arc prism blade 113 is fixed on the side surface of the triangular prism blade 112, an outer arc prism blade 114 is fixed on the other side surface of the triangular prism blade 112, the deicing cylinder ring 111 is connected with the second piston mechanism 10 through the first support 12, the second piston mechanism 10 is sleeved with the second spring 20, the second piston mechanism 10 is connected with the deicing device body 19, the deicing device body 19 is provided with two inner arc ice wheels 15, the two inner arc ice wheels 15 are symmetrically distributed on two sides of the overhead line 18, the inner arc ice wheels 15 comprise inner arc deicing wheel bodies 159 with inner arc side surfaces, the arc prism blades 151 are fixed on the side surfaces of the inner arc deicing wheel bodies 159, the deicing blades 152 are symmetrically fixed on two ends of the arc prism blades 151, the inner arc deicing wheels 15 are connected with the deicing device body 19 through the second support 14, the deicing device body 19 is provided with the first guide ring 16 and the second guide ring 17, the first guide ring 16 and the second guide ring 17 are sleeved on the outer side of the overhead line 18, and the two cylindrical ice breaking hammers 1, the ice knocking device 8, the heating device 9, the storage battery 13, the cylindrical deicing wheel 11, the inner arc deicing wheel 15, the first guide ring 16 and the second guide ring 17 are sequentially arranged from the front part to the tail part of the deicing device body 19. The deicing component is used for repeatedly destroying and cleaning the same ice surface while cleaning the ice surface of the local part, and finally, the surface of the overhead line is thoroughly cleaned, and the cylindrical deicing wheel 11 and the inner arc deicing wheel 15 have deicing functions on one hand, and on the other hand, the whole overhead line deicing device can be driven to advance by meshing with the ice surface of the overhead line 18. Meanwhile, the arrangement of the first guide ring 16 and the second guide ring 17 enables the whole overhead line deicing device to operate stably, and further the deicing effect of the device is facilitated. Furthermore, conical protrusions 103 are respectively fixed on four side surfaces of the quadrangular frustum 102, and further crush the ice surface processed by the quadrangular frustum 102, so that the ice is finally crushed and falls off, and cracks are caused to the ice on the bottom surface and the top surface of the overhead line 18. A plurality of arched knives 115 are fixed on the side surfaces of the inner arc prism-shaped knives, and the arched knives 115 go deep into the side ice surface generating cracks. The top surface of the ice knocking rod 7 is provided with the reinforcing ribs 72, so that the strength and toughness of the ice knocking rod 7 can be effectively enhanced. The elliptic cylinder runner 4 is sleeved with the lower part of the outer ring of the bearing 42, the upper part of the outer ring of the bearing 42 is sleeved with the belt shaft 43, the inner ring of the bearing 42 is sleeved with the fixed rod 41, and the elliptic cylinder runner 4 rotates to drive the two cylindrical ice breaking hammers 1 to stably knock the ice surface of the overhead line 18 at the same time.
In addition, the deicing cutter 152 comprises a first fan-shaped cutter 153 with a central angle of 90 degrees, the bottom surface of the first fan-shaped cutter 153 is parallel to the bottom surface of the inner arc-shaped deicing wheel body 159, an isosceles right triangle cutter surface 156 is fixed on the side surface of the first fan-shaped cutter 153, a second fan-shaped cutter 157 is fixed on the long side of the isosceles right triangle cutter surface 156, the central angle of the second fan-shaped cutter 157 is 45 degrees, a second cutting edge 158 is arranged on the side surface of the second fan-shaped cutter 157, a plurality of triangle cutters 154 are arranged on the arc surfaces of the first fan-shaped cutter 153 and the second fan-shaped cutter 157, a third cutting edge 155 is arranged on the triangle cutters 154, and the third cutting edge 155 and the second cutting edge 158 are in the same direction. When the deicing cutter 152 works, the second blade 158 firstly cuts into the surface ice surface, the second fan-shaped cutter 157 further cuts the surface ice surface, the isosceles right triangle blade 156 and the first fan-shaped cutter 153 further damage the ice at the position, the third blade 155 cuts into the deep ice surface, the triangle blade 154 further stretches open the ice surface, and the deicing cutter 152 is favorable for thoroughly removing the ice remained at the top and the bottom of the overhead line 18, so that the deicing effect is enhanced.
According to the invention, the cylindrical ice breaking hammer, the ice knocking device, the cylindrical deicing wheel and the inner arc deicing wheel are driven by the motor, the cylindrical deicing wheel rotates in the opposite direction, the inner arc deicing wheel rotates in the opposite direction, the cylindrical deicing wheel and the inner arc deicing wheel on the same side rotate in the same direction, the deicing device is driven to move forwards, and the motor provides electric energy through the storage battery. The piston mechanism, the storage battery, the guide ring, the bracket and other devices used in the invention belong to the mature prior art, and the specific structure of the piston mechanism, the storage battery, the guide ring, the bracket and other devices is not described in detail.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An overhead line deicing device comprises two cylindrical ice breaking hammers (1), and is characterized in that one end of each cylindrical ice breaking hammer (1), which is close to an overhead line (18), is fixedly provided with a circular arc-shaped protrusion (101), the top of each circular arc-shaped protrusion (101) is fixedly provided with a quadrangular frustum pyramid (102), the top surface of each quadrangular frustum pyramid (102) is symmetrically fixedly provided with two side-surface contact inner arc-shaped cutters (104), the symmetry axes of the two inner arc-shaped cutters (104) are perpendicular to the top surface of the quadrangular frustum pyramid (102), the arc-shaped surfaces of the inner arc-shaped cutters (104) are provided with first cutting edges (105), the two cylindrical ice breaking hammers (1) are symmetrically distributed on two sides of the overhead line (18), the side surfaces of the cylindrical ice breaking hammers (1) are screwed with cylindrical connecting rods (3), one ends, which are close to the overhead line (18), of the cylindrical connecting rods (3) are fixedly provided with arc-shaped convex surfaces (31), and the other ends of the cylindrical connecting rods (3) are connected with a deicing device body (19) through first piston mechanisms (2), the ice removing device is characterized in that a first spring (5) is sleeved on the first piston mechanism (2), an arc-shaped convex surface (31) is in contact with an elliptic cylinder rotating wheel (4), the elliptic cylinder rotating wheel (4) is installed on a deicing device body (19), an ice knocking device (8) is installed on the deicing device body (19), the ice knocking device (8) comprises two triangular plane ice knocking rods (7), the ice knocking rods (7) are arranged below an overhead line (18), a plurality of triangular bulges (71) are fixed on the side surface of the ice knocking rods (7), the two ice knocking rods (7) are symmetrically fixed on the side surface of a circular ring chassis (6), the circular ring chassis (6) is installed on the deicing device body (19), a heating device (9) is installed above the overhead line (18) close to the deicing device body (19), a storage battery (13) is installed on the deicing device body (19), and the heating device (9) is electrically connected with the storage battery (13), the deicing device is characterized in that two cylindrical deicing wheels (11) are mounted on the deicing device body (19), the two cylindrical deicing wheels (11) are symmetrically distributed on two sides of an overhead line (18), each cylindrical deicing wheel (11) comprises a deicing cylindrical ring (111), a plurality of triangular prism knives (112) are fixed on the outer side surfaces of the deicing cylindrical rings (111), inner arc prism knives (113) are fixed on the side surfaces of the triangular prism knives (112), outer arc prism knives (114) are fixed on the other side surfaces of the triangular prism knives (112), the deicing cylindrical rings (111) are connected with a second piston mechanism (10) through a first support (12), a second spring (20) is sleeved on the second piston mechanism (10), the second piston mechanism (10) is connected with the deicing device body (19), the deicing device body (19) is provided with two inner arc deicing wheels (15), and the two inner arc deicing wheels (15) are symmetrically distributed on two sides of the overhead line (18), the inner arc-shaped deicing wheel (15) comprises an inner arc-shaped deicing wheel body (159) with an inner arc-shaped side surface, an arc-shaped triangular prism blade (151) is fixed on the side surface of the inner arc-shaped deicing wheel body (159), deicing blades (152) are symmetrically fixed at two ends of the arc-shaped triangular prism blade (151), the inner arc-shaped deicing wheel (15) is connected with the deicing device body (19) through a second support (14), a first guide ring (16) and a second guide ring (17) are installed on the deicing device body (19), the first guide ring (16) and the second guide ring (17) are sleeved on the outer side of an overhead line (18), the two cylindrical ice breaking hammers (1), the ice knocking device (8), the heating device (9), the storage battery (13), the cylindrical deicing wheel (11), the inner arc deicing wheel (15), the first guide ring (16) and the second guide ring (17) are sequentially arranged from the front part to the tail part of the deicing device body (19); conical bulges (103) are respectively fixed on four side surfaces of the quadrangular frustum pyramid (102).
2. Overhead line deicing apparatus as set forth in claim 1, wherein: a plurality of arched cutters (115) are fixed on the side surfaces of the inner arc prism cutters (113), and the arched surfaces of the arched cutters (115) are tangent to the arched surfaces of the inner arc prism cutters (113).
3. Overhead line deicing apparatus as set forth in claim 1, wherein: and the top surface of the ice knocking rod (7) is provided with a reinforcing rib (72).
4. Overhead line deicing apparatus as set forth in claim 1, wherein: the elliptic cylinder rotating wheel (4) is sleeved with the lower part of an outer ring of the bearing (42), the upper part of the outer ring of the bearing (42) is sleeved with the belt shaft (43), an inner ring of the bearing (42) is sleeved with the fixed rod (41), and the fixed rod (41) is fixed with the deicing device body (19) through the fixed frame (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162485.XA CN111193236B (en) | 2020-03-10 | 2020-03-10 | Overhead line defroster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162485.XA CN111193236B (en) | 2020-03-10 | 2020-03-10 | Overhead line defroster |
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| CN111193236A CN111193236A (en) | 2020-05-22 |
| CN111193236B true CN111193236B (en) | 2021-08-06 |
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| CN202010162485.XA Active CN111193236B (en) | 2020-03-10 | 2020-03-10 | Overhead line defroster |
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| CN113216066A (en) * | 2021-04-21 | 2021-08-06 | 河北宣工机械发展有限责任公司 | Snow beating teeth of snow pressing vehicle capable of improving snow beating efficiency |
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| US8373095B2 (en) * | 2009-03-24 | 2013-02-12 | Tung Minh Huynh | Power line de-icing apparatus |
| CN202187310U (en) * | 2011-06-24 | 2012-04-11 | 郑明法 | Tool bit of ice breaker |
| CN202550453U (en) * | 2012-05-10 | 2012-11-21 | 郭斌 | Knocking type deicing machine for high tension line |
| CN105207158A (en) * | 2015-09-07 | 2015-12-30 | 湖南大学 | High-voltage electric wire deicing robot |
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| CN111193236A (en) | 2020-05-22 |
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