A deicing device for power transmission lines in cold areas

Abstract

The present invention relates to the field of cable installation technology, and in particular to a deicing device for power transmission lines in cold regions. A deicing device for power transmission lines in cold regions includes a scraping mechanism and an auxiliary mechanism. The scraping mechanism includes a scraping assembly, and the scraping assembly includes two scraping half-rings. The auxiliary mechanism includes two clamping assemblies, and each clamping assembly includes a first hinged rod, a second hinged rod, a first hydraulic cylinder, and a clamping block. The two scraping half-rings and the cable are clamped, and then the housing is driven to move on the cable by the walking mechanism, and the scraping half-rings remove the ice layer on the cable. The auxiliary mechanism assists the housing in moving forward, and the auxiliary mechanism provides additional power for the scraping half-rings to scrape the ice layer, thereby helping to improve the crushing efficiency and prevent the entire device from being stuck by the ice layer. The present invention provides a deicing device for power transmission lines in cold regions to solve the problem that the existing deicing device is prone to getting stuck when the ice layer is thicker and harder.

Description

Technical Field

[0001] The present invention relates to the technical field of cable installation, and in particular to a deicing device for power transmission lines in cold regions. Background Art

[0002] In cold regions, icing of transmission lines caused by severe weather conditions such as low temperatures, freezing rain, and snow has become a significant threat to the safe operation of power systems. Icing increases the mechanical load on conductors, causing line galloping, line breakage, tower collapse, and even severe regional power outages. De-icing technology has evolved through several stages, but existing methods still have significant limitations in terms of efficiency, energy consumption, and adaptability.

[0003] Traditional de-icing technologies include direct ice removal using manual or mechanical devices (such as pulleys and scrapers), melting ice using Joule heat (short-circuit current heating) or external heat sources (such as lasers and electromagnetic induction), or spraying antifreeze (such as ethylene glycol and sodium chloride) to lower the freezing point or inhibit ice formation. However, thermal de-icing consumes a large amount of electricity, which conflicts with the goal of a low-carbon power grid. Extreme temperatures (e.g., below -40°C) can render mechanical de-icing devices ineffective. Most technologies rely on manual judgment and lack real-time monitoring and automated response capabilities.

[0004] For example, patent publication CN115102125B discloses a power line de-icing robot with a locking arm assembly. The locking arm assembly can lock the angles of the first connecting arm and the second connecting arm relative to the arm assembly to stabilize the device's center of gravity. However, this de-icing device is prone to jamming when exposed to thick and hard ice. Summary of the Invention

[0005] The present invention provides a deicing device for power transmission lines in cold regions, so as to solve the problems that the existing deicing device is prone to getting stuck when the ice layer is thick and hard, and the deicing device is less efficient at locations where the ice layer is thin and soft and easy to break.

[0006] The present invention provides a technical solution: a deicing device for power transmission lines in cold regions, comprising a housing, a running mechanism, a scraping mechanism, and an auxiliary mechanism. The scraping mechanism comprises two scraping half-rings with opposing concave surfaces mounted on the housing, the concave surfaces of the scraping half-rings contacting the cables. The running mechanism drives the housing to move over the cables.

[0007] The auxiliary mechanism includes a drive assembly and two clamping assemblies, distributed along the circumference of the cable. Each clamping assembly includes a clamping block, a first articulated rod, a second articulated rod, and a first hydraulic cylinder, all located on the same reference plane parallel to the cable. One end of the first articulated rod is hinged to the housing. One end of the second articulated rod is hinged to the other end of the first articulated rod, while the clamping block and the other end of the second articulated rod are hinged. One end of the first hydraulic cylinder is hinged to the housing, while the other end of the first hydraulic cylinder is hinged to the second articulated rod.

[0008] The auxiliary mechanism has a first operating mode and a second operating mode. In the first operating mode, the first hydraulic cylinder is at its longest position, causing the first articulated rod to rotate forward, driving the clamping block forward and approaching the cable for clamping, with forward referring to the front of the housing's direction of movement. In the second operating mode, the first articulated rod rotates in the reverse direction, shortening the first hydraulic cylinder and causing the clamping block to remain stationary, thereby driving the housing forward. The drive assembly controls the forward and reverse rotation of the first articulated rod, thereby controlling the alternating between the first and second operating modes.

[0009] Furthermore, the housing is provided with two connecting brackets, one located on either side of the cable circumference. The two connecting brackets are arranged in a first direction, which is horizontal, and the connecting brackets are capable of sliding along the first direction. Each connecting bracket is provided with a first arc groove, with the concave surface of the first arc groove facing the cable, and each scraper half-ring is rotatably disposed within a first arc groove. A rack is fixedly disposed on the convex surface of each scraper half-ring. A first motor is fixedly disposed on each connecting bracket, and a first gear is fixedly disposed on the output shaft of the first motor, and the first gear and the rack are meshed.

[0010] Furthermore, the scraping mechanism also includes a scraping assembly, which includes a plurality of ice-breaking cones. The two ends of the ice-breaking cone are a first end and a second end. The first end of the ice-breaking cone is fixedly mounted on one side of the scraping semi-ring, and the second end of the ice-breaking cone is used to contact the ice layer on the cable. The plurality of ice-breaking cones are distributed in sequence along the circumference of the scraping semi-ring. The ice-breaking cones are arranged at an angle, and an angle is formed between the ice-breaking cones and the plane on one side of the scraping semi-ring along the axial direction of the cable. And along the rotation direction of the scraping semi-ring, the first end of the ice-breaking cone is located behind the second end.

[0011] Furthermore, a slot is provided at one end of each scraping half ring, and a block is provided at the other end of each scraping half ring, and each block is arranged in the slot on another scraping half ring.

[0012] Furthermore, the housing includes a power storage box, a first support frame, and a second support frame. The first support frame and the second support frame are slidably mounted on the power storage box along the axial direction of the cable. The first support frame and the second support frame are sequentially arranged along the axial direction of the cable. The first support frame is positioned forward of the second support frame in the direction of movement of the housing. The scraping mechanism and the auxiliary mechanism are both mounted on the first support frame.

[0013] The scraping mechanism further includes a transmission assembly comprising a second motor and a bidirectional screw. The second motor is mounted on the first support frame, and the bidirectional screw is fixedly connected to the output shaft of the second motor. The bidirectional screw is arranged along a first direction. Both connecting frames are engaged with the bidirectional screw in a helical transmission, and the helical engagement between the two connecting frames and the bidirectional screw has opposite rotational directions.

[0014] Furthermore, a turbine is fixedly mounted on one end of each first hinged rod connected to the housing. The auxiliary mechanism also includes a drive assembly comprising a third motor and a turbine. The third motor is fixedly mounted on the first support frame, and the turbine is fixedly connected to the output shaft of the third motor. The turbine engages with the two turbines.

[0015] Each clamping block further comprises a connecting rod and a clamping head. The connecting rod is vertically disposed, with the upper end of the connecting rod pivotally connected to the second hinged rod. The clamping head is fixedly mounted to the lower end of the connecting rod. Each clamping head has a second arc groove defined therein, with the concave surface of the second arc groove facing the cable. Multiple protrusions are fixed within the second arc groove, which contact the cable.

[0016] Furthermore, two auxiliary frames are rotatably provided on the first support frame and the second support frame. The two auxiliary frames are sequentially distributed along the axial direction of the cable. A torsion spring is provided at the rotation connection between each auxiliary frame and the first support frame or the second support frame.

[0017] The walking mechanism includes two walking assemblies, and the two walking assemblies are respectively arranged on the first support frame and the second support frame, and each walking assembly includes a fourth motor, a power wheel and two auxiliary clamping wheels. The axial directions of the power wheel and the auxiliary clamping wheel are both arranged along the first direction. The two power wheels are rotatably arranged on the first support frame and the second support frame respectively. Each auxiliary clamping wheel is rotatably arranged on an auxiliary frame, and the auxiliary clamping wheel is below the power wheel. The power wheel and the auxiliary clamping wheel are respectively on the upper and lower sides of the cable, and the power wheel and the auxiliary clamping wheel are both against the cable. The fourth motor is fixedly arranged on the housing. The output shaft of each fourth motor is fixedly connected to a power wheel.

[0018] Furthermore, two second hydraulic cylinders are fixedly mounted on the power storage box, and are arranged along the axial direction of the cable. The two second hydraulic cylinders are respectively located between the first support frame and the second support frame. The extended ends of the two second hydraulic cylinders are respectively fixedly connected to the first support frame and the second support frame.

[0019] The beneficial effects of the present invention are as follows: the de-icing device for power transmission lines in cold regions of the present invention clamps the two scraping half-rings and the cable through the provided scraping mechanism and auxiliary mechanism, and then drives the shell to move on the cable through the walking mechanism, and the scraping half-rings remove the ice layer on the cable. The auxiliary mechanism is first in the first working mode, the first articulated rod rotates forward, the first hydraulic cylinder is in the longest state, and then drives the clamping block to move forward and move in the direction close to the cable until the clamping block clamps the cable and preliminarily breaks the ice layer. After that, the auxiliary mechanism is in the second working mode, the first articulated rod rotates in the opposite direction, the first hydraulic cylinder shortens, the clamping block is stationary, and then drives the shell to move further forward, thereby increasing the forward speed of the shell and thereby improving the ice-breaking effect of the scraping half-rings. Then the first working mode and the second working mode of the auxiliary mechanism are continuously switched alternately.

[0020] When the ice is soft, the auxiliary mechanism is in its second operating mode, increasing the forward speed of the housing and speeding up ice removal. When the ice is hard, the scraping rings struggle to break the ice due to the hardness of the ice. Therefore, the auxiliary mechanism assists the housing in moving forward, providing additional power to the scraping rings, thereby improving breaking efficiency and preventing the entire device from becoming stuck in the ice.

[0021] When the ice is thin, the clamping block needs to move further to contact the ice on the cable. Therefore, when the auxiliary mechanism is in the first operating mode, the first hinged rod drives the clamping block forward further, increasing the distance between the first hinged rod and the clamping block along the cable's axis. Then, when the auxiliary mechanism is in the second operating mode, the auxiliary mechanism assists the housing in moving forward further, further increasing the housing's forward speed and improving ice removal efficiency.

[0022] When the ice is thick, the clamping block only needs to move a short distance to contact the ice on the cable. Once the clamping block is engaged with the thick ice layer, it stops moving. Therefore, the auxiliary mechanism drives the clamping block forward a short distance, and the distance between the first hinged rod and the clamping block along the cable axis is close. The auxiliary mechanism then enters its second operating mode, assisting the housing to move forward a shorter distance. This allows the auxiliary mechanism to divide the ice on the cable into multiple shorter segments, making it easier for the scraping ring to scrape the ice and preventing it from becoming stuck.

[0023] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0026] Figure 3 for Figure 1 Enlarged view of point B in the middle.

[0027] Figure 4 It is the front view of the present invention.

[0028] Figure 5 for Figure 4 Enlarged view of point C in the middle.

[0029] Figure 6 It is a structural schematic diagram of another perspective of the present invention.

[0030] Figure 7 for Figure 6 Enlarged view of point D in the middle.

[0031] In the figure: 100, power storage box; 110, first support frame; 120, second support frame; 200, scraper half ring; 201, rack; 202, slot; 210, ice breaker cone; 220, connecting frame; 230, first motor; 240, first gear; 250, second motor; 260, bidirectional screw; 300, first articulated rod; 310, second articulated rod; 320, first hydraulic cylinder; 330, clamping block; 331, second arc groove; 332, protrusion; 340, turbine; 350, third motor; 360, vortex rod; 400, auxiliary frame; 410, fourth motor; 420, power wheel; 430, auxiliary clamping wheel; 500, second hydraulic cylinder; 600, cable. DETAILED DESCRIPTION

[0032] Reference Figures 1 to 7 As shown, an embodiment of the present invention provides a deicing device for power transmission lines in cold regions, comprising a housing, a running mechanism, a scraping mechanism, and an auxiliary mechanism. The scraping mechanism includes a scraping assembly, which comprises two scraping half-rings 200 with opposing concave surfaces. The scraping half-rings 200 are mounted on the housing, with the concave surfaces of the scraping half-rings 200 contacting the outer circumferential wall of the cable 600. The running mechanism drives the housing to move over the cable 600.

[0033] The auxiliary mechanism includes a drive assembly and two clamping assemblies, which are distributed along the circumference of the cable 600. Each clamping assembly includes a clamping block 330, a first hinged rod 300, a second hinged rod 310, and a first hydraulic cylinder 320, which are located on the same reference plane parallel to the cable 600. One end of the first hinged rod 300 is rotatably mounted on the housing. One end of the second hinged rod 310 is hingedly connected to the other end of the first hinged rod 300, and the clamping block 330 is rotatably mounted on the other end of the second hinged rod 310. One end of the first hydraulic cylinder 320 is rotatably mounted on the housing, and the other end of the first hydraulic cylinder 320 is hingedly connected to the second hinged rod 310.

[0034] The auxiliary mechanism has a first operating mode and a second operating mode. In the first operating mode, the first hydraulic cylinder 320 is at its longest position, causing the first articulated rod 300 to rotate forward, thereby driving the clamping block 330 forward and toward the cable 600 to clamp the cable 600. The forward direction refers to the front side of the housing's movement. In the second operating mode, the first articulated rod 300 rotates in the reverse direction, shortening the first hydraulic cylinder 320 and causing the clamping block 330 to stop, thereby driving the housing forward. The drive assembly controls the forward and reverse rotation of the first articulated rod 300, thereby controlling the alternating between the first and second operating modes.

[0035] The two scraping half-rings 200 and the cable 600 are clamped together, and the housing is then driven to move on the cable 600 by the traveling mechanism, and the scraping half-rings 200 remove the ice on the cable 600. The auxiliary mechanism is first in the first working mode, with the first articulated rod 300 rotating forward and the first hydraulic cylinder 320 in its longest state, thereby driving the clamping block 330 to move forward and toward the cable 600 until the clamping block 330 clamps the cable 600 and performs a preliminary breaking of the ice. The auxiliary mechanism is then in the second working mode, with the first articulated rod 300 rotating in the opposite direction, the first hydraulic cylinder 320 shortening, and the clamping block 330 stationary, thereby driving the housing to move further forward, thereby increasing the forward speed of the housing and thereby improving the ice-breaking effect of the scraping half-rings 200. The first working mode and the second working mode of the auxiliary mechanism are then continuously switched alternately.

[0036] When the ice layer is relatively soft, the auxiliary mechanism is in the second working mode, which increases the forward speed of the shell, thereby speeding up the cleaning of the ice layer.

[0037] When the ice is hard and the auxiliary mechanism is in the second operating mode, the scraping half-ring 200 has difficulty breaking the ice due to the hardness of the ice. Therefore, the auxiliary mechanism assists the housing in moving forward, providing additional power for the scraping half-ring 200 to scrape the ice. This helps improve breaking efficiency and prevents the entire device from getting stuck in the ice.

[0038] When the ice is thin, the clamping block 330 needs to move further to contact the ice on the cable 600. Therefore, when the auxiliary mechanism is in the first operating mode, the first hinged rod 300 drives the clamping block 330 forward further, increasing the distance between the first hinged rod 300 and the clamping block 330 along the axial direction of the cable 600. Then, when the auxiliary mechanism is in the second operating mode, the auxiliary mechanism assists the housing in moving forward further, further increasing the housing's forward speed and improving ice removal efficiency.

[0039] When the ice is thick, the clamping block 330 only needs to move a short distance to contact the ice on the cable 600. Once the clamping block 330 is engaged with the thick ice, it no longer moves. Therefore, the auxiliary mechanism drives the clamping block 330 forward for a short distance, and the axial distance between the first hinged rod 300 and the clamping block 330 along the cable 600 is relatively close. The auxiliary mechanism then enters its second operating mode, assisting the housing to move forward for a shorter distance. This allows the auxiliary mechanism to divide the ice on the cable 600 into multiple, shorter ice segments, making it easier for the scraping ring 200 to scrape the ice away and preventing the scraping ring 200 from becoming stuck.

[0040] In this embodiment, two connecting frames 220 are provided on the housing. The two connecting frames 220 are respectively located on both sides of the cable 600 in the circumferential direction. The two connecting frames 220 are arranged in a first direction, and the first direction is the horizontal direction. The connecting frames 220 can slide along the first direction. Each connecting frame 220 is provided with a first arc groove, the concave surface of the first arc groove facing the cable 600, and each scraper half ring 200 is rotatably disposed in a first arc groove. A rack 201 is fixedly provided on the convex surface of each scraper half ring 200. A first motor 230 is fixedly provided on each connecting frame 220, and a first gear 240 is fixedly provided on the output shaft of the first motor 230. The first gear 240 is meshed with the rack 201.

[0041] In this embodiment, the scraping mechanism also includes a scraping assembly, which includes a plurality of ice-breaking cones 210. The two ends of the ice-breaking cone 210 are a first end and a second end. The first end of the ice-breaking cone 210 is fixedly arranged on one side of the scraping half ring 200, and the second end of the ice-breaking cone 210 is used to contact the ice layer on the cable 600. The plurality of ice-breaking cones 210 are distributed in sequence along the circumference of the scraping half ring 200. The ice-breaking cone 210 is arranged at an angle, and there is an angle between the ice-breaking cone 210 and the plane on one side of the scraping half ring 200 along the axial direction of the cable 600. And along the rotation direction of the scraping half ring 200, the first end of the ice-breaking cone 210 is located on the rear side of the second end. The ice-breaking cone 210 is arranged at an angle, which has a peeling effect on the ice layer, thereby improving the effect of breaking the ice layer.

[0042] In this embodiment, a slot 202 is formed at one end of each scraping half ring 200 , and a block is formed at the other end of each scraping half ring 200 . Each block is disposed in the slot 202 on another scraping half ring 200 .

[0043] After the two scraper half rings 200 come into contact with each other, the block is locked into the slot 202. The first motor 230 is started, and the first motor 230 starts to drive the scraper half ring 200 to rotate through the first gear 240. When the scraper half ring 200 rotates, it drives the multiple ice-breaking cones 210 to rotate synchronously.

[0044] In this embodiment, the housing includes a power storage box 100, a first support frame 110, and a second support frame 120. The first support frame 110 and the second support frame 120 are slidably mounted on the power storage box 100 along the axial direction of the cable 600. The first support frame 110 and the second support frame 120 are sequentially arranged along the axial direction of the cable 600. The first support frame 110 is positioned forward of the second support frame 120 in the direction of housing movement. The scraping mechanism and the auxiliary mechanism are both mounted on the first support frame 110.

[0045] In this embodiment, the scraping mechanism further includes a transmission assembly comprising a second motor 250 and a bidirectional screw 260. The second motor 250 is mounted on the first support frame 110, and the bidirectional screw 260 is fixedly connected to the output shaft of the second motor 250. The bidirectional screw 260 is arranged along a first direction. The connecting frames 220 are both engaged in a helical transmission with the bidirectional screw 260, and the helical rotation directions of the two connecting frames 220 and the bidirectional screw 260 are opposite.

[0046] The second motor 250 is started, and the second motor 250 drives the bidirectional screw 260 to rotate in the forward direction. When the bidirectional screw 260 rotates in the forward direction, it drives the two connecting frames 220 to approach each other.

[0047] In this embodiment, a turbine 340 is fixedly mounted on one end of each first hinged rod 300 connected to the housing. The auxiliary mechanism further includes a drive assembly comprising a third motor 350 and a worm gear 360. The third motor 350 is fixedly mounted on the first support frame 110, and the worm gear 360 is fixedly connected to the output shaft of the third motor 350. The worm gear 360 meshes with the two turbines 340.

[0048] When the third motor 350 rotates forward, it drives the worm gear 360 to rotate forward, and drives the first hinged rod 300 to rotate forward through the turbine 340. When the third motor 350 rotates backward, it drives the worm gear 360 to rotate backward, and drives the first hinged rod 300 to rotate backward through the turbine 340.

[0049] In this embodiment, each clamping block 330 includes a connecting rod and a clamping head. The connecting rod is vertically arranged, with the upper end of the connecting rod pivotally connected to the second hinged rod 310. The clamping head is fixed to the lower end of the connecting rod. Each clamping head has a second arc groove 331, with the concave surface of the second arc groove 331 facing the cable 600. A plurality of protrusions 332 are fixed within the second arc groove 331, and the protrusions 332 contact the cable 600. When the two clamping blocks 330 clamp the cable 600, the protrusions 332 contact the ice layer, breaking the ice.

[0050] In this embodiment, two auxiliary frames 400 are rotatably provided on the first support frame 110 and the second support frame 120. The two auxiliary frames 400 are distributed in sequence along the axial direction of the cable 600. A torsion spring is provided at the rotating connection between each auxiliary frame 400 and the first support frame 110 or the second support frame 120.

[0051] The walking mechanism includes two walking assemblies, which are respectively arranged on the first support frame 110 and the second support frame 120. Each walking assembly includes a fourth motor 410, a power wheel 420 and two auxiliary clamping wheels 430. The axial directions of the power wheel 420 and the auxiliary clamping wheels 430 are both arranged along the first direction. The two power wheels 420 are respectively rotatably arranged on the first support frame 110 and the second support frame 120. Each auxiliary clamping wheel 430 is rotatably arranged on an auxiliary frame 400, and the auxiliary clamping wheel 430 is located below the power wheel 420. The power wheel 420 and the auxiliary clamping wheel 430 are respectively located on the upper and lower sides of the cable 600, and the power wheel 420 and the auxiliary clamping wheel 430 are both against the cable 600. The fourth motor 410 is fixedly mounted on the housing. The output shaft of each fourth motor 410 is fixedly connected to a power wheel 420.

[0052] The housing is mounted on the cable 600, and the power wheel 420 and the auxiliary clamping wheel 430 are in contact with the cable 600. The fourth motor 410 is started, and the fourth motor 410 drives the power wheel 420 to rotate, and when the power wheel 420 rotates, the housing is driven to move forward.

[0053] In this embodiment, two second hydraulic cylinders 500 are fixedly mounted on the power storage box 100. The second hydraulic cylinders 500 are arranged axially along the cable 600. The two second hydraulic cylinders 500 are respectively positioned between the first support frame 110 and the second support frame 120. The extended ends of the two second hydraulic cylinders 500 are respectively fixedly connected to the first support frame 110 and the second support frame 120.

[0054] During operation, the second hydraulic cylinder 500 is activated and extended, so that the first support frame 110 and the second support frame 120 are separated from each other. When the operation is completed, the second hydraulic cylinder 500 is shortened, so that the first support frame 110 and the second support frame 120 are close to each other, thereby facilitating storage.

[0055] Working process: The housing is mounted on the cable 600, with the power wheel 420 and auxiliary clamping wheel 430 in contact with the cable 600. The fourth motor 410 is activated, which drives the power wheel 420 to rotate, which in turn drives the housing forward. Initially, the two scraper half-rings 200 are spaced far apart and not engaged.

[0056] The second motor 250 is started, and the second motor 250 drives the bidirectional screw 260 to rotate forward. The bidirectional screw 260 rotates forward, and the two connecting frames 220 move closer together until the two scraper half rings 200 contact each other, and the block on one scraper half ring 200 enters the groove 202 on the other scraper half ring 200. The first motor 230 is started, and the first motor 230 starts to drive the scraper half ring 200 to rotate via the first gear 240.

[0057] As the shell moves along the cable 600, the scraping half ring 200 scrapes the ice layer on the cable 600. At the same time, the scraping half ring 200 drives multiple ice-breaking cones 210 to rotate synchronously when it rotates. Since the ice-breaking cones 210 are set at an angle, the ice-breaking cones 210 have the effect of stripping the ice layer when rotating, thereby improving the ice-breaking effect.

[0058] At the same time, the third motor 350 is activated, and the auxiliary mechanism enters the first operating mode. The third motor 350 initially rotates forward, driving the worm gear 360 in forward rotation, which in turn drives the first articulated rod 300 in forward rotation via the turbine 340. While the first articulated rod 300 is rotating forward, the first hydraulic cylinder 320 remains stationary. The first articulated rod 300, via the second articulated rod 310, drives the clamping block 330 toward the cable 600. The clamping block 330 moves forward until it clamps the cable 600, initially breaking up the ice.

[0059] The auxiliary mechanism then enters the second operating mode, causing the third motor 350 to rotate in the opposite direction. This in turn drives the first hinged rod 300 to rotate in the opposite direction. This reverse rotation of the first hinged rod 300 simultaneously activates the first hydraulic cylinder 320, causing it to contract. The reverse rotation of the first hinged rod 300 tends to move the clamping block 330 away from the cable 600 via the second hinged rod 310. However, the contraction of the first hydraulic cylinder 320 acts to limit the movement of the clamping block 330 away from the cable 600, causing the clamping block 330 to remain stationary.

[0060] When the clamping block 330 is stationary, the rotation of the first hinged rod 300 shortens the distance between the first hinged rod 300 and the clamping block 330. The first hinged rod 300 then drives the first support block forward, thereby increasing the forward speed of the housing and, in turn, improving the ice-breaking effect of the scraper half-ring 200. The auxiliary mechanism then alternates between the first and second operating modes.

[0061] When the ice layer is relatively soft, the auxiliary mechanism is in the second working mode, which increases the forward speed of the shell, thereby speeding up the cleaning of the ice layer, improving the efficiency of cleaning the ice layer, and saving time.

[0062] When the ice is hard and the auxiliary mechanism is in the second operating mode, the scraping half-ring 200 has difficulty breaking the ice due to the hardness of the ice, so the shell is not easy to move forward. Therefore, the auxiliary mechanism assists the shell in moving forward, providing additional power for the scraping half-ring 200 to scrape the ice. When the scraping half-ring 200 rotates, the ice-breaking cone 210 rotates synchronously. Because the ice-breaking cone 210 is tilted, the ice-breaking cone 210 is squeezed by the harder ice layer and can exert a stripping force on the ice layer. Therefore, when the ice-breaking cone 210 rotates, it has a stripping effect on the ice layer. At the same time, the auxiliary mechanism provides the ice-breaking cone 210 with additional power to break the ice layer, which helps to improve the crushing efficiency and prevent the entire device from being stuck in the ice layer.

[0063] When the ice is thin, the clamping block 330 needs to move further to contact the ice on the cable 600. Therefore, when the auxiliary mechanism is in the first operating mode, the first hinged rod 300 drives the clamping block 330 forward further, increasing the distance between the first hinged rod 300 and the clamping block 330 along the axial direction of the cable 600. Then, when the auxiliary mechanism is in the second operating mode, the auxiliary mechanism assists the housing in moving forward further, further increasing the housing's forward speed and improving ice removal efficiency.

[0064] When the ice is thick, the clamping block 330 only needs to move a short distance to contact the ice on the cable 600. After the clamping block 330 contacts the ice, the protrusions 332 on the clamping block 330 prevent the clamping block 330 from moving. Therefore, the auxiliary mechanism drives the clamping block 330 forward for a short distance, and the axial distance between the first hinged rod 300 and the clamping block 330 along the cable 600 is relatively close. Furthermore, when the protrusions 332 on the clamping block 330 contact the ice, they also have a breaking effect on the ice.

[0065] Afterwards, the auxiliary mechanism is in the second working mode again, and the distance that the auxiliary mechanism auxiliary shell moves forward is shorter, so the auxiliary mechanism divides the ice layer on the cable 600 into multiple ice layer segments with shorter distances, thereby making it easier for the scraping half ring 200 to scrape off the ice layer and preventing the scraping half ring 200 from being stuck.

[0066] The above description is only a specific embodiment of the present invention, and the various examples do not limit the essential content of the present invention.

Claims

1. A deicing device for power transmission lines in cold regions, characterized by: It comprises a housing, a running mechanism, a scraping mechanism and an auxiliary mechanism; the scraping mechanism comprises two scraping half rings (200) with opposite concave surfaces arranged on the housing, the concave surfaces of the scraping half rings (200) being in contact with the cable (600); the running mechanism drives the housing to move on the cable (600); The auxiliary mechanism includes a driving assembly and two clamping assemblies, the two clamping assemblies are distributed along the circumference of the cable (600), and each clamping assembly includes a clamping block (330) and a first hinged rod (300), a second hinged rod (310) and a first hydraulic cylinder (320) located on the same reference plane parallel to the cable (600); one end of the first hinged rod (300) is hinged to the housing; one end of the second hinged rod (310) is hinged to the other end of the first hinged rod (300), and the clamping block (330) is hinged to the other end of the second hinged rod (310); one end of the first hydraulic cylinder (320) is hinged to the housing, and the other end of the first hydraulic cylinder (320) is hinged to the second hinged rod (310); The auxiliary mechanism has a first working mode and a second working mode. The first working mode of the auxiliary mechanism is that the first hydraulic cylinder (320) is at its longest position, the first hinged rod (300) rotates in the forward direction, and drives the clamping block (330) to move forward and approach the cable (600) to clamp it, and the forward direction is the front side of the movement direction of the shell; the second working mode of the auxiliary mechanism is that the first hinged rod (300) rotates in the reverse direction, the first hydraulic cylinder (320) shortens, and the clamping block (330) is stationary, thereby driving the shell to move forward; the driving component controls the forward and reverse rotation of the first hinged rod (300) and thereby controls the alternating conversion between the first working mode and the second working mode. Two connecting frames (220) are provided on the housing, and the two connecting frames (220) are respectively located on both sides of the cable (600) in a circumferential direction. The direction in which the two connecting frames (220) are sequentially distributed is a first direction, and the first direction is a horizontal direction. The connecting frames (220) can slide along the first direction; a first arc groove is provided on each connecting frame (220), and the concave surface of the first arc groove faces the cable (600); each scraping half ring (200) is rotatably provided in a first arc groove; a rack (201) is fixedly provided on the convex surface of each scraping half ring (200); a first motor (230) is fixedly provided on each connecting frame (220), and a first gear (240) is fixedly provided on the output shaft of the first motor (230), and the first gear (240) and the rack (201) are meshed; The shell comprises a power storage box (100), a first support frame (110) and a second support frame (120); the first support frame (110) and the second support frame (120) are slidably arranged on the power storage box (100) along the axial direction of the cable (600); and the first support frame (110) and the second support frame (120) are sequentially distributed along the axial direction of the cable (600); the first support frame (110) is located at the front side of the shell movement direction relative to the second support frame (120); the scraping mechanism and the auxiliary mechanism are both arranged on the first support frame (110); A turbine (340) is fixedly provided at one end of each first hinged rod (300) connected to the housing; the drive assembly comprises a third motor (350) and a vortex rod (360); the third motor (350) is fixedly provided on the first support frame (110); the vortex rod (360) and the output shaft of the third motor (350) are fixedly connected; the vortex rod (360) and the two turbines (340) are meshed.

2. The deicing device for power transmission lines in cold regions according to claim 1, characterized in that: The scraping mechanism further includes a scraping assembly, which includes a plurality of ice-breaking cones (210); the two ends of the ice-breaking cone (210) are a first end and a second end, the first end of the ice-breaking cone (210) is fixedly arranged on one side of the scraping semi-ring (200), and the second end of the ice-breaking cone (210) is used to contact the ice layer on the cable (600); the plurality of ice-breaking cones (210) are sequentially distributed along the circumference of the scraping semi-ring (200); the ice-breaking cone (210) is tilted, and an angle is formed between the ice-breaking cone (210) and a plane on one side of the scraping semi-ring (200) along the axial direction of the cable (600); and along the rotation direction of the scraping semi-ring (200), the first end of the ice-breaking cone (210) is located behind the second end.

3. The deicing device for power transmission lines in cold regions according to claim 1, characterized in that: A clamping groove (202) is provided at one end of each scraping half ring (200), and a clamping block is provided at the other end of each scraping half ring (200), and each clamping block is arranged in the clamping groove (202) on another scraping half ring (200).

4. The deicing device for power transmission lines in cold regions according to claim 1, characterized in that: The scraping mechanism further comprises a transmission assembly, which comprises a second motor (250) and a bidirectional screw (260); the second motor (250) is arranged on the first support frame (110), and the bidirectional screw (260) is fixedly connected to the output shaft of the second motor (250); the bidirectional screw (260) is arranged along a first direction; the two connecting frames (220) are both spirally coupled with the bidirectional screw (260), and the spiral coupling directions of the two connecting frames (220) and the bidirectional screw (260) are opposite.

5. The deicing device for power transmission lines in cold regions according to claim 1, characterized in that: Each clamping block (330) includes a connecting rod and a clamping head, wherein the connecting rod is vertically arranged, and the upper end of the connecting rod is rotatably connected to the second hinge rod (310); the clamping head is fixedly arranged at the lower end of the connecting rod; each clamping head is provided with a second arc groove (331), and the concave surface of the second arc groove (331) faces the cable (600); a plurality of protrusions (332) are fixed in the second arc groove (331), and the protrusions (332) are in contact with the cable (600).

6. The deicing device for power transmission lines in cold regions according to claim 1, characterized in that: Two auxiliary frames (400) are rotatably provided on both the first support frame (110) and the second support frame (120), the two auxiliary frames (400) being sequentially distributed along the axial direction of the cable (600), and a torsion spring being provided at a rotational connection between each auxiliary frame (400) and the first support frame (110) or the second support frame (120); The walking mechanism comprises two walking assemblies, the two walking assemblies are respectively arranged on the first support frame (110) and the second support frame (120), each walking assembly comprises a fourth motor (410), a power wheel (420) and two auxiliary clamping wheels (430); the axial directions of the power wheel (420) and the auxiliary clamping wheels (430) are both arranged along the first direction; the two power wheels (420) are respectively rotatably arranged on the first support frame (110) and the second support frame (120); each auxiliary clamping wheel The wheel (430) is rotatably arranged on an auxiliary frame (400), and the auxiliary clamping wheel (430) is located below the power wheel (420); the power wheel (420) and the auxiliary clamping wheel (430) are respectively located on the upper and lower sides of the cable (600), and the power wheel (420) and the auxiliary clamping wheel (430) are both against the cable (600); the fourth motor (410) is fixedly arranged on the housing; the output shaft of each fourth motor (410) is fixedly connected to a power wheel (420).

7. The deicing device for power transmission lines in cold regions according to claim 1, characterized in that: Two second hydraulic cylinders (500) are fixedly arranged on the power storage box (100), and the second hydraulic cylinders (500) are arranged along the axial direction of the cable (600); the two second hydraulic cylinders (500) are respectively located between the first support frame (110) and the second support frame (120); and the extended ends of the two second hydraulic cylinders (500) are respectively fixedly connected to the first support frame (110) and the second support frame (120).

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