Self-propelled snow and ice removing device and method for power transmission line

Abstract

The invention discloses a self-propelled power transmission line snow and ice removing device and method, and relates to the technical field of power transmission line deicing, the self-propelled power transmission line snow and ice removing device comprises wire-embracing type self-propelled mechanisms arranged in pairs, a plurality of heating type cleaning units are connected between the wire-embracing type self-propelled mechanisms, and the plurality of heating type cleaning units are used for wrapping a power transmission line in the circumferential direction; a plurality of curved plates are arranged on the outer sides of the heating type cleaning units, deicing agent containing cavities are formed in the curved plates, and a plurality of spray heads are installed on the inner surfaces of the curved plates. A heating wire is arranged in the heating type cleaning unit, and the heating type cleaning unit comprises an ice breaker and an ice sweeper which are alternately arranged; the ice breaker and the ice sweeper are used for mechanical deicing, the heating wire is used for thermal deicing, and the nozzle is used for spraying a deicing agent towards the power transmission line to perform chemical deicing. The mechanical deicing, thermal deicing and chemical deicing synergistic effect is adopted, the snow and ice removing efficiency is improved, and cleaning is more thorough.

Description

Technical Field

[0001] The present invention relates to the technical field of power transmission line deicing, and in particular to a self-propelled power transmission line snow and ice removal device and method. Background Art

[0002] There are usually thermal, mechanical, and chemical methods for de-icing and snow removal on transmission lines. Among them, the thermal method can melt the ice and snow by increasing the current or electromagnetic induction heating, but it has high energy consumption and can easily accelerate line aging; the mechanical method uses rotating brushes, scrapers, etc. to remove ice, or uses drones equipped with snow shovels to remove snow. It has good flexibility and can adapt to complex terrain, but is limited by the drone's payload and endurance, and has low efficiency in complex environments; the chemical method lowers the freezing point of ice and snow by spraying chemicals, and is easy to operate, but if a large amount of snow-melting solution is used, it will cause corrosion of metal parts and contaminate insulators.

[0003] There are also some solutions in the prior art that use a combination of multiple ice and snow removal methods. For example, a combined ice removal device includes a deicing sleeve, a thermal sleeve, and a snow removal sleeve. A rotatable deicing plate is installed in the deicing sleeve, and an infrared electric heating tube is installed in the thermal sleeve. The snow removal sleeve removes the snow on the transmission line by blowing air through rotating fan blades; the fan blades need sufficient power to blow away the snow, which places high requirements on the device; and the deicing sleeve, thermal sleeve and snow removal sleeve are independent of each other, and the synergistic effect is insufficient, which affects the deicing efficiency. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a self-propelled transmission line snow and ice removal device and method, which adopts the synergistic effect of mechanical deicing, thermal deicing and chemical deicing to improve the efficiency of snow and ice removal and make cleaning more thorough.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions: In a first aspect, an embodiment of the present invention provides a self-propelled transmission line snow and ice removal device, comprising a pair of wire-wrapping self-propelled mechanisms, a plurality of heated cleaning units connected between the wire-wrapping self-propelled mechanisms, the plurality of heated cleaning units being configured to wrap around the transmission line in a circumferential direction; a plurality of curved panels disposed outside the plurality of heated cleaning units, each of the curved panels having a deicing agent chamber disposed therein, and a plurality of nozzles mounted on the inner surface of the curved panels; The heating cleaning unit has a built-in heating wire and includes an ice breaker and an ice sweeper that are alternately arranged; the ice breaker and ice sweeper are used for mechanical deicing, the heating wire is used for thermal deicing, and the nozzle is used for spraying deicing agent toward the transmission line to perform chemical deicing.

[0006] As a further implementation, the heating cleaning unit is connected to a rotation drive mechanism.

[0007] As a further implementation, the ice breaker includes an ice-breaking cylinder, and a plurality of ice-breaking protrusions are provided on the outer side of the ice-breaking cylinder.

[0008] As a further implementation, the ice sweeper includes an ice sweeping cylinder, and a brush is installed on the outside of the ice sweeping cylinder.

[0009] As a further implementation, each curved plate covers at least two heated cleaning units.

[0010] As a further implementation, the curved panel is provided with a thermal insulation layer.

[0011] As a further implementation method, a snow removal plate is installed on the outside of at least one wire-holding self-propelled mechanism, and multiple snow removal plates are evenly distributed along the transmission line.

[0012] As a further implementation, the snow removal plate is a curved plate.

[0013] As a further implementation, the wire-holding self-propelled mechanism includes a mounting body, the mounting body is equipped with a plurality of running wheels, and the running wheels are connected to a running drive mechanism.

[0014] On the second aspect, an embodiment of the present invention also provides a working method of a self-propelled snow and ice removal device for transmission lines. When the wire-holding self-propelled mechanism drives the snow and ice removal device to move along the transmission line, the nozzle sprays deicing agent onto the transmission line; the heating cleaning unit rotates, and the heating wire heats up at the same time, and the ice breaker and ice sweeper perform mechanical deicing.

[0015] The beneficial effects of the present invention are as follows: (1) The present invention arranges a plurality of heating cleaning units along the transmission line in a circular direction. Each heating cleaning unit includes an ice breaker and an ice sweeper arranged alternately, and a heating wire is arranged inside, that is, a mechanical de-icing structure and a thermal de-icing structure are integrated together, so that mechanical de-icing and thermal de-icing work together; at the same time, the heating cleaning unit is rotatable, and the ice breaker, ice sweeper and heating wire rotate synchronously, which can improve the de-icing efficiency; a curved plate is also arranged on the outside of the heating cleaning unit, and a de-icing agent is built into the curved plate to achieve chemical de-icing; the mechanical de-icing, thermal de-icing and chemical de-icing work together to form a "crushing-melting-decomposition" processing mechanism, so as to achieve complete snow and ice removal from the transmission line.

[0016] (2) The present invention provides a snow removal plate at the end of the device to achieve preliminary cleaning of accumulated snow; the ice breaker includes an ice breaker cylinder and an ice breaker protrusion provided on the surface of the ice breaker cylinder, and the ice sweeper includes an ice sweeper cylinder and a brush provided on the surface of the ice sweeper cylinder. During the rotation of the heated cleaning unit, the ice breaker protrusion can knock the ice layer on the surface of the transmission line to break the ice layer, and the broken ice layer is swept away by the rotating brush; the alternately arranged ice breakers and ice sweepers can achieve ice layer cleaning of various parts of the transmission line; heating wires are arranged on the inner side of each ice breaker cylinder and ice sweeper, and heating wires are arranged in each ice breaker cylinder and ice sweeper. The ice layer is melted by heating the heating wire, which facilitates the ice breaker and ice sweeper to break and clean the ice layer; the chemical deicing agent can accelerate volatilization and penetration in the high temperature environment provided by the heating wire to prevent the occurrence of secondary icing.

[0017] (3) The curved plate of the present invention can correspond to two or more heating cleaning units. In addition to carrying the deicing agent, the curved plate also plays a role in protecting its internal structure and making the overall structural layout more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0019] Figure 1 is an axonometric view of a snow and ice removal device according to one or more embodiments of the present invention; Figure 2 is a front view of a snow and ice removal device according to one or more embodiments of the present invention; Figure 3 is a schematic diagram of the arrangement of a heating cleaning unit according to one or more embodiments of the present invention; Figure 4 is a schematic diagram of a heating cleaning unit in an unfolded state according to one or more embodiments of the present invention; Figure 5 is a schematic diagram of the connection between an ice breaker and an ice sweeper according to one or more embodiments of the present invention; Figure 6 is a schematic diagram of a nozzle arrangement according to one or more embodiments of the present invention.

[0020] Among them, 1. Transmission line, 2. Wire-holding self-propelled mechanism, 3. Mounting body, 4. Connecting plate, 5. Ice breaker, 6. Snow removal plate, 7. Travel wheel, 8. Travel drive motor, 9. Rotation drive motor, 10. Ice-breaking protrusion, 11. Ice sweeper, 12. Brush, 13. Curved plate, 14. Gear set, 15. Adding port, 16. Nozzle, 17. Heating wire, 18. Butt joint, 19. Power supply. DETAILED DESCRIPTION

[0021] It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those skilled in the art to which the present invention belongs.

[0022] For the convenience of description, if the words "up", "down", "front" and "back" appear in the present invention, they only indicate that they are consistent with the up, down, front and back directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the present invention.

[0023] Example 1: This embodiment provides a self-propelled transmission line snow and ice removal device, including a wire-holding self-propelled mechanism 2, a heating cleaning unit, a curved panel 13, a snow removal plate 6, etc., so that the device has mechanical deicing, thermal deicing and chemical deicing functions, thereby effectively removing snow and ice accumulated on the transmission line 1.

[0024] like Figure 1 and Figure 2 As shown, the snow and ice removal device of this embodiment includes a pair of wire-holding self-propelled mechanisms 2, and there is a certain distance between the two wire-holding self-propelled mechanisms 2. A plurality of heating cleaning units and curved panels 13 are installed between the two, and a plurality of snow removal plates 6 are installed on the outside of the wire-holding self-propelled mechanisms 2 to realize snow and ice removal during walking.

[0025] The snowplow 6 can be mounted at one end of the device, with the forward end used to clear snow from the power transmission line 1 in front. Alternatively, the snowplow 6 can be mounted at both ends to facilitate rearward movement of the device to continue clearing snow. When the snowplow 6 is mounted at both ends of the device, to prevent the rear end snowplow 6 from directing snow into the device during forward movement, the snowplow 6 is movably connected to the wire-holding self-propelled mechanism 2, allowing the angle of the snowplow 6 to be adjusted.

[0026] Since the cross-section of the transmission line 1 is circular, in order to adapt to the shape of the transmission line 1, the axis of the heating cleaning unit is parallel to the axis of the transmission line 1, and multiple heating cleaning units are evenly arranged along the circumference of the transmission line 1; multiple heating cleaning units can work synchronously, or they can work together individually or partially. Similarly, multiple curved panels 13 are also arranged along the circumference of the transmission line 1, but each curved panel 13 can correspond to two or more heating cleaning units. The curved panels 13 not only protect its internal structure, but also supply deicing agent to the transmission line 1. If each heating cleaning unit corresponds to a curved panel 13, it will affect the storage capacity of the deicing agent and make the structure relatively complex. Therefore, this embodiment reduces the number of curved panels 13 and increases the capacity of a single curved panel 13.

[0027] The line-holding self-propelled mechanism 2 serves as a power base, which can drive the device to move along the transmission line 1. At the same time, the line-holding self-propelled mechanism 2 is an installation carrier for the heating cleaning unit, the curved panel 13, and the snow removal plate 6. In order to facilitate the installation of the device on the transmission line 1, the line-holding self-propelled mechanism 2 of this embodiment adopts a split structure.

[0028] Specifically, such as Figure 3 As shown, the wire-holding self-propelled mechanism 2 includes a mounting body 3, running wheels 7, and a travel drive mechanism. The mounting body 3 is annular in structure to fit within the transmission line 1; the diameter of the mounting body 3 is larger than that of the transmission line 1. To facilitate installation, the mounting body 3 in this embodiment is composed of multiple curved mounting plates, with adjacent mounting plates hinged to facilitate assembly and disassembly. Two of the mounting plates are secured at their ends by bolts. For example, the mounting body 3 may include two semicircular mounting plates, hinged at one end and bolted at the other end. Alternatively, the mounting body 3 may include four curved mounting plates, with only two of the mounting plates bolted at one end, while the remaining ends are hinged.

[0029] The mounting body 3 is provided with a mounting groove for mounting a travel wheel 7. The travel wheel 7 is rotatably connected to the mounting groove, and the portion of the travel wheel 7 located on the inner side of the mounting body 3 can contact the power transmission line 1, so that the device can move along the axis of the power transmission line 1. The surface of the travel wheel 7 is provided with anti-slip grooves. The travel wheel 7 is connected to a travel drive mechanism. The travel drive mechanism can drive the travel wheel 7 to rotate and can be implemented using an existing structure. The travel drive mechanism includes a travel drive motor 8. The travel drive motor 8 can be directly or indirectly connected to the travel wheel 7. To facilitate the installation of the travel drive motor 8, the travel drive motor 8 of this embodiment is connected to the travel wheel 7 via a gear transmission mechanism.

[0030] A connecting plate 4 is provided on the outside of the mounting body 3, and the curved plate 13 is mounted via the connecting plate 4. In this embodiment, the connecting plate 4 is fan-shaped, and its contact end with the curved plate 13 has the same curvature, making the overall structure more compact.

[0031] like Figure 1 and Figure 3 As shown, multiple snowplows 6 are evenly distributed around the mounting body 3. These snowplows 6 scrape away snow and weaker ice from the surface of the power transmission line 1. To facilitate cleaning, the snowplows 6 of this embodiment are curved and angled from one end connected to the mounting body 3 toward the other, forming a tapered structure. This allows the snowplows 6 to penetrate the snow to a certain depth, improving the cleaning effect.

[0032] The heating cleaning units of this embodiment are rotatable. As the device moves along the power transmission line 1, the rotation of the heating cleaning units enhances the deicing effect. Each heating cleaning unit rotates in the same direction. A rotation drive mechanism can be installed at the end of each heating cleaning unit, or multiple heating cleaning units can share a single rotation drive mechanism. In this embodiment, the rotation drive mechanism includes a rotation drive motor 9 and a gear set 14. The rotation drive motor 9 is connected to the heating cleaning units via the gear set 14. The number of gears in the gear set 14 depends on the number of heating cleaning units driven by the rotation drive mechanism.

[0033] like Figure 3-Figure 5 As shown, the heating cleaning unit includes an ice breaker 5, an ice sweeper 11 and a heating wire 17. The ice breaker 5 and the ice sweeper 11 are arranged alternately, and the ice breaker 5 and the ice sweeper 11 are connected by a docking joint 18; the docking joint 18 has an external thread or an internal thread, and the adjacent ice breakers 5 and ice sweepers 11 are matched with the docking joint 18 with an external thread and the docking joint 18 with an internal thread.

[0034] The ice breaker 5 comprises an ice-breaking cylinder with several ice-breaking protrusions 10 on its exterior. As the heated cleaning unit rotates, these protrusions 10 strike the ice on the surface of the power line 1, breaking it apart. In this embodiment, the protrusions 10 are made of rubber, preventing damage to the power line 1. The ice sweeper 11 comprises an ice-sweeping cylinder with a brush 12 on its exterior. The brush 12 rotates to sweep away the broken ice. In this embodiment, the brush 12 is made of steel, which exhibits a certain degree of flexibility and shape recovery.

[0035] The heating wire 17 is provided in the heating cleaning unit. Therefore, the heating wire 17 is arranged in each ice-breaking cylinder and the ice-sweeping cylinder. The heating wire 17 heats up the ice layer to melt the ice layer, making it easier for the ice breaker 5 to break the ice layer.

[0036] like Figure 1 and Figure 2 As shown, the curved plate 13 is installed along the axial direction of the transmission line 1, and its cross section is in the shape of an arc. A deicing agent chamber is provided inside the curved plate 13, and a filling port 15 is provided on the outside of the curved plate 13. Deicing agent is added to the deicing agent chamber through the filling port 15. The filling port 15 is blocked with a blocking piece when not in use. Figure 6 As shown, a plurality of nozzles 16 are provided on the inner side of the curved panel 13 , and deicing agent is sprayed out by the nozzles 16 to achieve chemical deicing.

[0037] Since the curved panel 13 is disposed outside the heated cleaning unit, it protects its internal structure. To maintain the heating temperature, the curved panel 13 of this embodiment is provided with a thermal insulation layer. The thermal insulation layer can be provided on the inner surface of the curved panel 13, or on both the inner and outer surfaces. A photovoltaic panel can also be provided on the outer side of the curved panel 13 to supply power to the power source 19, which is connected to each drive motor.

[0038] This embodiment integrates mechanical, thermal, and chemical deicing methods. A self-propelled mechanism 2, located at each end of the device, allows it to travel along a power transmission line 1. Snowplows 6 are mounted on the outside of the mechanism 2 to initially clear accumulated snow. A heated cleaning unit is located inside the mechanism 2. Its ice breaker 5 and ice sweeper 11 work together to mechanically remove ice, while internal heating wires 17 provide thermal deicing. The thermal cleaning unit is covered by a curved panel 13, which is filled with deicing agent for chemical deicing.

[0039] Mechanical deicing, as a fundamental step, breaks dense ice into manageable fragments through the striking and squeezing of icebreaker 5, facilitating subsequent operations. The heat generated by the heating wire 17 not only accelerates the melting of the broken ice layer but also preheats untreated areas, reducing ice hardness and improving mechanical ice-breaking efficiency. It also prevents brush 12 from becoming brittle due to low temperatures during ice sweeping, ensuring stable operation of the mechanical structure. Chemical deicing agents can accelerate their volatilization and penetration in the high-temperature environment provided by heating wire 17. Leveraging liquid surface tension, they quickly cover gaps in the ice layer, making full contact with the broken ice surface. A chemical reaction that lowers the freezing point completely disintegrates any remaining ice crystals, while also covering the deiced line to prevent secondary icing. Therefore, the synergistic effects of mechanical, thermal, and chemical deicing in this embodiment form a "crushing-melting-decomposition" treatment mechanism, achieving thorough snow and ice removal from transmission line 1.

[0040] Example 2: This embodiment provides a working method of a self-propelled transmission line snow and ice removal device. Based on the self-propelled transmission line snow and ice removal device in Example 1, the specific method is as follows: After the device is activated, the travel drive motor 8 powers the travel wheels 7, which grip the power line 1 and propel the device forward. As the device moves, the snowplow 6 removes accumulated snow and weak, unfrozen ice in the direction of the power line 1. The spray nozzles 16 on the inner side of the curved plate 13 spray deicing agent onto the power line 1, coating the surface with liquid and accelerating the melting of the surface ice.

[0041] The rotary drive motor 9 works, driving the gear set 14 to rotate, and driving the heated cleaning unit to rotate together. At the same time, the heating wire 17 begins to heat up, accelerating the melting of the ice. The ice breaker 5 knocks, squeezes and breaks the ice layer through the ice-breaking protrusion 10, and the brush 12 of the ice sweeper 11 removes the broken ice layer. As the heating wire 17 continues to heat up, the curved plate 13 prevents heat loss, plays a role in heat preservation and insulation, accelerates the melting speed of the ice on the transmission line 1, and speeds up the de-icing efficiency. At the same time, the higher temperature and the de-icing agent covering the surface of the line can slow down the re-freezing and snow accumulation of the transmission line 1 in a low temperature environment. After passing through the heated cleaning unit, the transmission line 1 with a small amount of residual crushed ice is scraped off by the snow removal plate 6 at the tail end of the device to achieve a further de-icing effect.

[0042] After the device has performed a deicing operation on the transmission line 1, the device can be moved back around the line without having to be dismantled, thereby performing multiple cycles of deicing operations.

[0043] The foregoing description is merely a preferred embodiment of the present application and is not intended to limit the present application. Persons skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A self-propelled transmission line snow and ice removal device, characterized in that: The invention comprises a pair of wire-holding self-propelled mechanisms, wherein a plurality of heating cleaning units are connected between the wire-holding self-propelled mechanisms, and the plurality of heating cleaning units are used to wrap the transmission line in a circumferential direction; a plurality of curved plates are arranged on the outside of the plurality of heating cleaning units, a deicing agent chamber is provided in the curved plates, and a plurality of nozzles are installed on the inner surface of the curved plates; The heating cleaning unit has a built-in heating wire and includes an ice breaker and an ice sweeper that are alternately arranged; the ice breaker and ice sweeper are used for mechanical deicing, the heating wire is used for thermal deicing, and the nozzle is used for spraying deicing agent toward the transmission line to perform chemical deicing.

2. The self-propelled snow and ice removal device for power transmission lines according to claim 1, characterized in that: The heating cleaning unit is connected to the rotation driving mechanism.

3. The self-propelled snow and ice removal device for power transmission lines according to claim 1, characterized in that: The ice breaker comprises an ice-breaking cylinder, and a plurality of ice-breaking protrusions are arranged on the outer side of the ice-breaking cylinder.

4. A self-propelled transmission line snow and ice removal device according to claim 1 or 3, characterized in that: The ice sweeper comprises an ice sweeping cylinder, and a brush is installed on the outer side of the ice sweeping cylinder.

5. The self-propelled snow and ice removal device for power transmission lines according to claim 1, characterized in that: Each curved plate covers at least two heated cleaning units.

6. A self-propelled transmission line snow and ice removal device according to claim 1 or 5, characterized in that: The curved panel is provided with a heat-insulating layer.

7. The self-propelled snow and ice removal device for power transmission lines according to claim 1, characterized in that: A snow removal plate is installed on the outer side of at least one wire-holding self-propelled mechanism, and a plurality of snow removal plates are evenly distributed along the ring direction of the transmission line.

8. The self-propelled snow and ice removal device for power transmission lines according to claim 7, characterized in that: The snow removal plate is a curved plate.

9. A self-propelled transmission line snow and ice removal device according to claim 1 or 7, characterized in that: The wire-holding self-propelled mechanism includes a mounting body, a plurality of running wheels are mounted on the mounting body, and the running wheels are connected to a running drive mechanism.

10. The operating method of the self-propelled transmission line snow and ice removal device according to any one of claims 1 to 9, characterized in that: The wire-holding self-propelled mechanism drives the snow and ice removal device to move along the transmission line, and the nozzle sprays deicing agent onto the transmission line; the heating cleaning unit rotates, and the heating wire heats up at the same time, and the ice breaker and ice sweeper perform mechanical deicing.

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