Power cable deicing device

Abstract

The invention discloses a power cable deicing device, and relates to the field of cable deicing, the power cable deicing device comprises a limiting plate, an icebreaking mechanism is mounted on a plate body of the limiting plate, a notch is formed in the top of the limiting plate, the icebreaking mechanism comprises a conical body, a toothed ring and a filling toothed plate, and an arc strip is fixedly mounted on one side of the limiting plate. The conical body is rotationally installed on one side of the limiting plate through the arc-shaped strip, and the gear ring is arranged on the inner side of the limiting plate. The ice breaking mechanism adopts a combined design of'cone-shaped body ice shoveling and gear ring ice cutting ', when the device moves, a large ice layer on the surface of a cable is shoveled firstly, obstacles are preliminarily broken, the gear ring and a filling gear plate are spliced into a ring to be sleeved on the cable, a cutting blade on the inner side of the ring rotates along with the gear ring to deeply cut the residual ice layer, multi-stage deicing of'shoveling first and then cutting' is realized, the efficiency is improved, and the ice breaking efficiency is improved. A safe distance of 1-2mm is kept between a supporting wheel of the supporting mechanism and the cutting blade, so that the cable is prevented from being damaged by the blade by contacting with the cable stabilizing device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable deicing, in particular to a power cable deicing device. BACKGROUND

[0002] The deicing device is a device for removing ice layer from an object, which is widely used in the problem of ice covering on the surface of power cable, aiming at efficiently and safely removing the ice layer to ensure stable power transmission.

[0003] However, in the prior art, a single deicing method cannot cope with ice layers of different thickness and hardness, for example, relying only on mechanical impact or simple scraping cannot achieve layered removal of the ice layer, and the coordination between the moving speed of the device and the deicing action is poor, resulting in repeated work or missed deicing, and insufficient protection of the cable. The lack of control of the distance between the deicing component and the cable is usually due to the fact that the traditional blade directly contacts the cable, which can easily cause scratches, or the lack of a buffer structure, which can damage the cable surface or even the internal structure due to excessive impact force when the ice layer is hard. The poor applicability of the device is reflected in the structural fixation, which cannot adapt to cables of different diameters and directions (such as straight lines and curved sections). For example, the size of the clamping mechanism of traditional deicing equipment is single, which cannot be stably fixed when facing cables of varying thickness, and the flexibility is insufficient in complex terrain or high-altitude operations, and the operation is complex. The operation is complex due to the independent control of multiple components or the dependence of the power system on external lines. For example, multiple deicing components need to be manually operated synchronously, or the equipment needs to be connected to an external power supply, which makes the wiring complicated, especially in the field or high-altitude environment. Not only does it increase the operation difficulty, but it also may cause safety risks due to line entanglement. At the same time, the maintenance process is complex, the components are not easy to disassemble, and the emergency deicing efficiency is affected. These problems are interrelated, and a single defect may exacerbate the impact of other problems, making it difficult for the prior art to meet the efficient, safe, and flexible deicing requirements. SUMMARY

[0004] The present application aims to provide a power cable deicing device to solve the problems of low deicing efficiency, insufficient protection of the cable, poor applicability of the device, or complex operation as described in the background.

[0005] In order to achieve the above object, the present application provides the following technical scheme: An electric power cable deicing device, comprising a limiting plate, an ice breaking mechanism is installed on the plate body of the limiting plate, a notch is formed at the top of the limiting plate, the ice breaking mechanism comprises a conical body, a gear ring and a filling gear plate, an arc-shaped strip is fixedly installed on one side of the limiting plate, the conical body is rotatably installed on one side of the limiting plate through the arc-shaped strip, the gear ring is arranged on the inner side of the limiting plate, the filling gear plate and the gear ring are mutually spliced to form a complete annular structure, a positioning groove is formed at the end of the gear ring, in use, the annular structure is sleeved on the electric power cable, a cutting blade is fixedly installed on the inner side wall of the gear ring, the limiting plate moves along the cable, the conical body shovels off the ice blocks on the surface of the cable, the gear ring rotates to cut the ice layer by using the cutting blade, a supporting mechanism is fixedly installed on the plate body of the limiting plate for contacting the cable, the distance between the cutting edge of the cutting blade and the contact part of the supporting mechanism and the cable is between 1mm and 2mm, the combination mode of the conical body for shoveling ice and the gear ring for driving the cutting blade to cut ice is adopted, the division of labor is clear, and multi-step cooperative operation is performed from preliminary ice shoveling to deep ice cutting, the ice layer on the electric power cable can be efficiently removed, the stability of electric power transmission is ensured, the design that the gear ring and the filling gear plate are spliced into an annular shape facilitates sleeving of the device on the cable, operation is simple and convenient, and the device has strong applicability.

[0006] Preferably, the bottom of the limiting plate is fixedly connected with an extension support, one side of the extension support is fixedly installed with a servo motor, the output end of the servo motor is fixedly connected with a main transmission wheel, and the main transmission wheel is located below the arc bottom of the limiting plate. The servo motor, the main transmission wheel and other components are reasonably arranged through the extension support, so that the structure is compact and stable, the space is fully utilized, and the operation reliability of the device is ensured.

[0007] Preferably, two eighth equal division points of the limiting plate are rotatably installed with driven wheels, and a transmission belt is connected between the driven wheels and the main transmission wheel. Limiting wheels are rotatably installed on the plate body of the limiting plate and the support body of the extension support. In the transmission process, the limiting wheels on the plate body of the limiting plate and the support body of the extension support play a guiding and stabilizing role, the running track of the transmission belt is ensured to be accurate, and the power is stably transmitted.

[0008] Preferably, the bottom of the extension support is fixedly installed with a cover body, the bottom of the cover body is clamped with a battery module, and the wiring end of the battery module is connected with the wiring end of the servo motor. The connection design of the battery module and the servo motor realizes the self-powered operation of the device, does not need to rely on external complex power supply lines, is convenient to use flexibly in different environments, improves the applicability and convenience of the device, the clamping mode of the cover body and the battery module facilitates the disassembly and replacement of the battery module, and facilitates maintenance and continuous operation.

[0009] Preferably, one end of the driven wheel is fixedly connected with a first transmission gear, the first transmission gear is located on the inner side of the limiting plate, the first transmission gear is in meshing connection with the tooth ring, the other end of the first transmission gear is fixedly connected with a second transmission gear, and the gear transmission mode ensures the accuracy and stability of power transmission; the driven wheel can efficiently and stably transmit power to the tooth ring and the conical body through the first transmission gear and the second transmission gear, so that the stable operation of the tooth ring and the conical body is ensured, and the ice removal efficiency and effect are improved.

[0010] Preferably, the second transmission gear and the conical body are located on the same side of the limiting plate, the edge of the conical body is provided with an annular groove, the conical body is in sliding connection with the arc-shaped strip through the annular groove, the conical body is in meshing connection with the second transmission gear, and the conical body 21 is in sliding connection with the arc-shaped strip 7 through the annular groove 26, so that the flexibility of rotation of the conical body 21 is ensured, and the movement track of the conical body 21 is limited, thereby preventing deviation and affecting the ice removal operation.

[0011] Preferably, the supporting mechanism comprises a positioning block and a supporting wheel, the positioning block is fixedly installed on one side of the limiting plate in a symmetrical mode, and the supporting wheel is rotatably installed at the end of the positioning block; the supporting wheel cooperates with the cutting blade to ensure that the cutting blade keeps a safe distance from the cable during ice removal, so that the cable is prevented from being damaged.

[0012] Preferably, the other end of the positioning block is fixedly installed with an electric cylinder, one end of a piston rod of the electric cylinder is fixedly installed with a connecting block, the connecting block is sleeved on a connecting rod of the supporting wheel, when the electric cylinder works, the piston rod is retracted and extended to drive the connecting block to slide in the strip-shaped hole, so that the contact tightness and position of the supporting wheel and the cable are adjusted, and the flexible adjustment of the position of the supporting wheel is realized through the design of the electric cylinder and the connecting block, so that the electric power cable with different diameters can be adapted, and the universality of the ice removal device is enhanced.

[0013] Preferably, the connecting block is in sliding connection in the interior of the positioning block, the interior of the positioning block is provided with a strip-shaped hole, the connecting block is located in the hole of the strip-shaped hole, the connecting rod of the supporting wheel is located in the interior of the strip-shaped hole, the electric cylinder is fixed to the other end of the positioning block, the connecting block at the end of the piston rod of the electric cylinder is sleeved on the connecting rod of the supporting wheel and slides in the strip-shaped hole in the interior of the positioning block.

[0014] Compared with the prior art, the ice removal device has the following beneficial effects: 1、In the application, the conical body part cuts into the ice layer during the device running, and uses its unique geometric shape to shovel the large ice on the cable surface as a whole, completing the preliminary ice breaking. The tooth ring assembly that follows is composed of spliced tooth plates, closely surrounding the cable to form a complete ring structure. The sharp cutting blades distributed on the inner edge of the ring rotate accurately and cut into the residual ice layer, completely crushing the stubborn ice shell. This phased operation mode of "first overall removal and then fine cutting" not only ensures the thoroughness of ice breaking, but also significantly improves the ice removal efficiency. The support mechanism always maintains a safe gap with the cutting blades, ensuring stable operation of the device while completely avoiding direct contact between the blades and the cable. Through precise distance control and mechanical balance design, the cable surface is protected to the greatest extent while the ice layer is quickly removed, effectively extending the service life of the cable and significantly reducing the safety risk during operation.

[0015] 2、In the application, the servo motor drives the device to move along the cable through the transmission system composed of the main transmission wheel, the transmission belt and the driven wheel. The limiting wheel ensures the stability of the belt running track, providing continuous uniform driving force to ensure the continuity of ice removal operation. The driven wheel synchronously drives the tooth ring and the conical body through the first transmission gear and the second transmission gear. The gear meshing transmission is accurate and stable, with low power loss. The conical body is connected with the arc strip through the annular groove, which not only ensures the flexibility of rotation but also limits the deviation, making the ice shoveling and ice cutting actions coordinated and orderly. The electric cylinder drives the support wheel to slide in the strip-shaped hole, which can flexibly adjust the contact tightness and adapt to different diameter cables, enhancing the versatility of the device.

[0016] 3、In the application, the extension bracket integrates the servo motor, the main transmission wheel and other components at the bottom of the limiting plate, with compact and reasonable layout, fully utilizing the space and ensuring stable operation. The battery module is clamped at the bottom of the extension bracket through the cover, realizing self-powered and freeing from external line dependence, suitable for complex environment operation. The clamping design facilitates quick disassembly and replacement, improving maintenance convenience. The overall structure parts are combined cleverly, such as the spliced ring structure of the tooth ring and the filler tooth plate, which is quickly installed on the cable through the positioning groove, with simple operation. Combined with gear transmission and electric adjustment mechanism, it has high efficiency, reliability and ease of use, optimizing the power cable ice removal operation process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a side structure schematic view of the power cable ice removal device of the application; Figure 2 is another side structure schematic view of the power cable ice removal device of the application; Figure 3 is a cover and battery module structure split schematic view of the power cable ice removal device of the application; Figure 4It is the split schematic view of the ice breaking mechanism and the limiting plate structure of the power cable deicing device of the present application; Figure 5 It is the three-dimensional structure schematic view of the tooth ring and the filling tooth plate of the power cable deicing device of the present application; Figure 6 It is the plane structure schematic view of the limiting plate and the ice breaking mechanism of the power cable deicing device of the present application; Figure 7 It is the structure schematic view of the second transmission gear and the limiting plate of the power cable deicing device of the present application; Figure 8 It is the internal structure schematic view of the supporting mechanism of the power cable deicing device of the present application.

[0018] In the figure: 1, limiting plate; 2, ice breaking mechanism; 3, extension support; 4, cover; 5, battery module; 6, supporting mechanism; 7, arc-shaped strip; 8, notch; 9, servo motor; 21, conical body; 22, tooth ring; 23, main transmission wheel; 24, limiting wheel; 25, driven wheel; 26, annular groove; 27, filling tooth plate; 28, first transmission gear; 29, cutting blade; 210, positioning groove; 211, second transmission gear; 61, positioning block; 62, supporting wheel; 63, electric cylinder; 64, connecting block; 65, strip-shaped hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0020] Embodiment one: refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7As shown: a power cable deicing device, including a limiting plate 1, the plate body of the limiting plate 1 is provided with an ice breaking mechanism 2, the top of the limiting plate 1 is provided with a gap 8, the ice breaking mechanism 2 includes a conical body 21, a gear ring 22 and a filling tooth plate 27, one side of the limiting plate 1 is fixedly provided with an arc-shaped strip 7, the conical body 21 is rotatably installed on one side of the limiting plate 1 through the arc-shaped strip 7, the gear ring 22 is arranged on the inner side of the limiting plate 1, the filling tooth plate 27 and the gear ring 22 are spliced to form a complete annular structure, the end of the gear ring 22 is provided with a positioning groove 210, in use, the annular structure is sleeved on the power cable, the inner side wall of the gear ring 22 is fixedly provided with a cutting blade 29, the limiting plate 1 moves along the cable, the conical body 21 shovels off the ice blocks on the surface of the cable, the gear ring 22 rotates to cut the ice layer by using the cutting blade 29, the plate body of the limiting plate 1 is fixedly provided with a supporting mechanism 6 for contacting the cable, the distance between the cutting edge of the cutting blade 29 and the contact position of the supporting mechanism 6 and the cable is between 1mm and 2mm.

[0021] In this embodiment, the limiting plate 1 is sleeved on the outside of the power cable through the gap 8 in use, then the filling tooth plate 27 is spliced to the limiting gear ring 22 to form an annular structure sleeved on the power cable, then the limiting plate 1 is pushed to move along the cable, in the moving process, the conical body 21 rotatably installed on one side of the limiting plate 1 through the arc-shaped strip 7 will shovel off the ice blocks on the surface of the cable to preliminarily break the ice layer, at the same time, the gear ring 22 arranged on the inner side of the limiting plate 1 rotates, and the cutting blade 29 fixedly installed on the inner side wall thereof further cuts the ice layer to realize deep deicing, the supporting mechanism 6 on the plate body of the limiting plate 1 contacts the cable to ensure the stability of the device on the cable, the distance between the cutting edge of the cutting blade 29 and the contact position of the supporting mechanism 6 and the cable is kept between 1mm and 2mm to ensure that the cutting blade effectively cuts the ice layer without damaging the cable, the device adopts the combined mode of the conical body 21 for shoveling ice and the gear ring 22 for driving the cutting blade 29 to cut ice, the division of labor is clear, and the multiple-step cooperative operation from preliminary ice shoveling to deep ice cutting can efficiently remove the ice layer on the power cable to ensure stable power transmission, the design that the gear ring 22 and the filling tooth plate 27 are spliced into an annular shape facilitates the device to be sleeved on the cable, the operation is simple and convenient, and the applicability is strong, the distance between the supporting mechanism 6 and the cutting blade 29 is accurately set to ensure the deicing effect and maximize the protection of the cable from damage, prolong the service life of the cable, reduce the maintenance cost and safety risk caused by cable damage due to deicing, and the overall structure design is reasonable and highly practical.

[0022] Embodiment two: according to Figure 1 , Figure 2 and Figure 3As shown, the bottom of the limiting plate 1 is fixedly connected with an extension bracket 3, one side of the extension bracket 3 is fixedly installed with a servo motor 9, the output end of the servo motor 9 is fixedly connected with a main transmission wheel 23, the main transmission wheel 23 is located below the arc bottom of the limiting plate 1, two eighth equal division points of the limiting plate 1 are rotatably installed with driven wheels 25, the driven wheels 25 and the main transmission wheel 23 are connected with a transmission belt, the plate body of the limiting plate 1 and the bracket body of the extension bracket 3 are rotatably installed with limiting wheels 24, the bottom of the extension bracket 3 is fixedly installed with a cover body 4, the bottom of the cover body 4 is clamped with a battery module 5, and the wiring end of the battery module 5 is connected with the wiring end of the servo motor 9.

[0023] In the embodiment, the battery module 5 is installed at the bottom of the cover body 4 and connected with the wiring end of the servo motor 9 to supply power for the servo motor 9. After the servo motor 9 is started, the main transmission wheel 23 at the output end of the servo motor 9 starts to rotate. The main transmission wheel 23 is located below the arc bottom of the limiting plate 1. The main transmission wheel 23 drives the driven wheels 25 at the two eighth equal division points of the limiting plate 1 to rotate synchronously through the transmission belt. In the transmission process, the limiting wheels 24 on the plate body of the limiting plate 1 and the bracket body of the extension bracket 3 play a guiding and stabilizing role, ensuring the accuracy of the running track of the transmission belt and enabling the power to be transmitted smoothly. The ice breaking mechanism 2 is combined to complete the ice removing work. The components such as the servo motor 9 and the main transmission wheel 23 are reasonably arranged through the extension bracket 3, so that the structure is compact and stable. The space is fully utilized while the reliability of the device in operation is ensured. The transmission system of the main transmission wheel 23, the driven wheels 25 and the transmission belt can effectively transmit power and provide stable and continuous driving force. The ice removing device can move at a constant speed on the cable to ensure the ice removing efficiency and effect. The setting of the limiting wheels 24 enhances the stability of the transmission system, reduces the problems such as belt slip and deviation, reduces the failure rate, and prolongs the service life of the device. The connection design of the battery module 5 and the servo motor 9 enables the device to operate independently and does not need to rely on external complex power supply lines. It is convenient to use flexibly in different environments, improves the applicability and convenience of the device, and the cover body 4 and the battery module 5 are clamped, which facilitates the disassembly and replacement of the battery module 5 and facilitates maintenance and continuous operation.

[0024] Embodiment three: according to Figure 3 , Figure 4 , Figure 6 and Figure 7 , one end of the driven wheel 25 is fixedly connected with a first transmission gear 28, the first transmission gear 28 is located on the inner side of the limiting plate 1, the first transmission gear 28 is meshed and connected with the tooth ring 22, the other end of the first transmission gear 28 is fixedly connected with a second transmission gear 211, the second transmission gear 211 is located on the same side of the limiting plate 1 as the conical body 21, the edge of the conical body 21 is provided with an annular groove 26, the conical body 21 is slidably connected with the arc-shaped strip 7 through the annular groove 26, and the conical body 21 is meshed and connected with the second transmission gear 211.

[0025] In this embodiment, when the driven wheel 25 rotates, the first transmission gear 28 fixedly connected at one end rotates with it. Since the first transmission gear 28 is in meshing connection with the tooth ring 22, the tooth ring 22 is driven to rotate inside the limiting plate 1, so that the cutting blade 29 on the inner side wall of the tooth ring 22 can cut open the cable ice layer. At the same time, the second transmission gear 211 at the other end of the driven wheel 25 also rotates synchronously. The second transmission gear 211 is in meshing connection with the conical body 21, and the conical body 21 is in sliding connection with the arc-shaped strip 7 through the annular groove 26. Under the driving of the second transmission gear 211, the conical body 21 rotates along the arc-shaped strip 7 to shovel off the ice blocks on the surface of the cable. In this way, the driven wheel 25 drives the tooth ring 22 and the conical body 21 through gear transmission respectively, realizing cooperative ice removal. The gear transmission mode ensures the accuracy and stability of power transmission. The driven wheel 25 can efficiently and stably transmit power to the tooth ring 22 and the conical body 21 through the first transmission gear 28 and the second transmission gear 211, ensuring stable operation of the two and improving ice removal efficiency and effect. The conical body 21 is in sliding connection with the arc-shaped strip 7 through the annular groove 26, which not only ensures the flexibility of the rotation of the conical body 21, but also limits its movement trajectory to prevent deviation and affect ice removal work. The compact gear meshing structure rationally utilizes the inside space of the limiting plate 1, making the whole ice removal device layout exquisite and facilitating installation and use. This linkage design makes the conical body 21 shovel ice and the tooth ring 22 cut ice form orderly cooperation, first preliminarily shovel off large ice layer, and then cut residual ice layer in depth, avoiding repeated work to complete power cable ice removal work in a more efficient way and ensure safe and stable power transmission.

[0026] In the fourth embodiment, as shown in Figure 3 、 Figure 4 and Figure 8 , the support mechanism 6 includes a positioning block 61 and a support wheel 62. The positioning block 61 is fixedly installed symmetrically on one side of the limiting plate 1. The support wheel 62 is rotatably installed at the end of the positioning block 61. The other end of the positioning block 61 is fixedly installed with an electric cylinder 63. One end of the piston rod of the electric cylinder 63 is fixedly installed with a connecting block 64. The connecting block 64 is sleeved on the connecting rod of the support wheel 62 and is in sliding connection with the inside of the positioning block 61. The inside of the positioning block 61 is provided with a strip-shaped hole 65, and the connecting block 64 is located in the hole. The connecting rod of the support wheel 62 is located in the inside of the strip-shaped hole 65.

[0027] In this embodiment, the supporting mechanism 6 is fixed by the positioning block 61 symmetrically installed on one side of the limiting plate 1, the supporting wheel 62 is rotatably installed at the end of the positioning block 61 and in contact with the cable, the electric cylinder 63 is fixed to the other end of the positioning block 61, the adapter block 64 at the end of the piston rod of the electric cylinder 63 is sleeved on the connecting rod of the supporting wheel 62 and slides in the strip-shaped hole 65 in the positioning block 61, when the electric cylinder 63 works, the piston rod retracts and expands to drive the adapter block 64 to slide in the strip-shaped hole 65, so as to adjust the tightness and position of the contact between the supporting wheel 62 and the cable, the design of the electric cylinder 63 and the adapter block 64 realizes flexible adjustment of the position of the supporting wheel 62, which can be adapted to power cables with different diameters and enhances the versatility of the deicing device, the rotating design of the supporting wheel 62 can reduce the friction when the deicing device moves on the cable, so that the device moves more smoothly, reduces energy consumption, and the supporting wheel 62 cooperates with the cutting blade 29 to ensure that the cutting blade 29 maintains a safe distance from the cable during deicing, avoiding damage to the cable. At the same time, this structure is simple and stable, easy to install and maintain, and effectively improves the reliability and safety of deicing operation.

[0028] The working principle and method of using the device: when in use, first, the limiting plate 1 is sleeved outside the power cable through the gap 8 at the top of the limiting plate 1, then the filling tooth plate 27 is spliced onto the tooth ring 22 to form a ring structure and is sleeved on the power cable, then the battery module 5 is clamped on the bottom cover 4 of the extension support 3 to supply power to the servo motor 9, the servo motor 9 is started, the main transmission wheel 23 rotates, the driven wheel 25 is driven by the transmission belt, the limiting wheel 24 ensures stable operation of the transmission belt, and the deicing device moves along the power cable. During the movement process, the driven wheel 25 drives the first transmission gear 28 and the second transmission gear 211 to rotate, the first transmission gear 28 drives the tooth ring 22 to rotate, the cutting blade 29 cuts the ice layer, the second transmission gear 211 drives the conical body 21 to rotate along the arc-shaped strip 7, and the ice on the surface of the cable is removed. At the same time, according to the diameter of the cable, the adapter block 64 is controlled to slide in the strip-shaped hole 65 by the electric cylinder 63, the tightness and position of the contact between the supporting wheel 62 and the cable are adjusted, stable operation of the device is ensured, the cutting blade 29 maintains a distance of 1mm-2mm from the contact part between the supporting wheel 62 and the cable, and the cable is protected while deicing efficiently.

[0029] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features within the spirit and principles of the present application, and any modification, equivalent replacement, improvement, etc. made within the protection scope of the present application shall be included in the protection scope of the present application.

Claims

1. A power cable de-icing device, characterized in that: Includes a limiting plate (1), on which an ice-breaking mechanism (2) is installed. The top of the limiting plate (1) has a notch (8). The ice-breaking mechanism (2) includes a cone (21), a toothed ring (22), and a filling toothed plate (27). An arc-shaped strip (7) is fixedly installed on one side of the limiting plate (1). The cone (21) is rotatably installed on one side of the limiting plate (1) through the arc-shaped strip (7). The toothed ring (22) is set on the inner side of the limiting plate (1). The filling toothed plate (27) and the toothed ring (22) are spliced ​​together to form a complete ring structure. 2) The end is provided with a positioning groove (210). When in use, the ring structure is fitted on the power cable. A cutting blade (29) is fixedly installed on the inner side wall of the toothed ring (22). The limiting plate (1) moves along the cable. The cone (21) scrapes off the ice on the surface of the cable. The toothed ring (22) rotates and uses the cutting blade (29) to cut the ice layer. A support mechanism (6) is fixedly installed on the plate of the limiting plate (1) for contact with the cable. The distance between the edge of the cutting blade (29) and the contact part between the support mechanism (6) and the cable is between 1mm and 2mm.

2. The power cable de-icing device according to claim 1, characterized in that: An extension bracket (3) is fixedly connected to the bottom of the limiting plate (1). A servo motor (9) is fixedly installed on one side of the extension bracket (3). A main drive wheel (23) is fixedly connected to the output end of the servo motor (9). The main drive wheel (23) is located below the arc bottom of the limiting plate (1).

3. The power cable de-icing device according to claim 1, characterized in that: The limit plate (1) has driven wheels (25) rotatably installed at two of its eight-eighths points. A transmission belt connects the driven wheels (25) and the main drive wheel (23). Limit wheels (24) are rotatably installed on the plate body of the limit plate (1) and on the frame of the extension bracket (3).

4. The power cable de-icing device according to claim 2, characterized in that: The bottom of the extension bracket (3) is fixedly installed with a cover (4), and the bottom of the cover (4) is snapped with a battery module (5). The wiring terminal of the battery module (5) is connected to the wiring terminal of the servo motor (9).

5. The power cable de-icing device according to claim 4, characterized in that: One end of the driven wheel (25) is fixedly connected to a first transmission gear (28), which is located inside the limiting plate (1). The first transmission gear (28) meshes with the gear ring (22), and the other end of the first transmission gear (28) is fixedly connected to a second transmission gear (211).

6. The power cable de-icing device according to claim 1, characterized in that: The second transmission gear (211) and the cone (21) are located on the same side of the limiting plate (1). An annular groove (26) is provided at the edge of the cone (21). The cone (21) is slidably connected to the arc strip (7) through the annular groove (26). The cone (21) is meshed with the second transmission gear (211).

7. The power cable de-icing device according to claim 1, characterized in that: The support mechanism (6) includes a positioning block (61) and a support wheel (62). The positioning block (61) is symmetrically fixed on one side of the limiting plate (1), and the support wheel (62) is rotatably mounted on the end of the positioning block (61).

8. A power cable de-icing device according to claim 3, characterized in that: An electric cylinder (63) is fixedly installed at the other end of the positioning block (61). A connecting block (64) is fixedly installed at one end of the piston rod of the electric cylinder (63). The connecting block (64) is sleeved on the connecting rod of the support wheel (62).

9. A power cable de-icing device according to claim 8, characterized in that: The connecting block (64) is slidably connected inside the positioning block (61). The positioning block (61) has a strip hole (65) inside. The connecting block (64) is located inside the strip hole (65), and the connecting rod of the support wheel (62) is located inside the strip hole (65).

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