Metro overhead line system deicing device and using method

Abstract

The invention discloses a subway overhead line system deicing device and a use method, a roller operation table is installed at the top of a box body, one end of a first belt is installed on a first plane belt pulley in a sleeving mode, the other end of the first belt is installed on a second plane belt pulley in a sleeving mode, and a stepping motor comprises a motor belt pulley; one end of the second belt is mounted on the motor belt pulley in a sleeving manner, the other end of the second belt is mounted on the second plane belt pulley in a sleeving manner, and when the stepping motor rotates, the second roller and the first roller are driven to rotate so as to rotationally knock ice on the contact net; the worm gear is arranged on the outer side wall of the telescopic end in a sleeving mode and matched with the lead screw in a spiral mode, and when the servo motor rotates, the lead screw drives the roller operation table to ascend and descend. According to the subway overhead line system deicing device and the using method, manual beating and uninterrupted running deicing operation of an electric passenger car are replaced, the working efficiency is improved, drivers are saved, the number of overhead line system maintenance emergency personnel and the workload are reduced, electric energy consumed by the electric passenger car is reduced, and the cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of subway contact network deicing, and more particularly to a subway contact network deicing device and a method of using the device. Background Art

[0002] Due to the high passenger volume and density of traffic on subways, ice on the contact wire can significantly impact safety and operational order, posing a significant social impact. Ice can cause uneven power distribution to the pantograph as it glides along the contact wire, hindering current flow and causing arcing. Furthermore, ice-covered contact wires can vibrate in gusty winds, potentially causing disconnection and breaking of the pantograph angle, forcing a power outage or suspension of subway operations. Therefore, the development of de-icing devices for key subway contact wire components is urgent and crucial to ensuring safe and stable operation.

[0003] The problems with existing technologies are: 1) Subway contact network de-icing is mainly done by manual hammering, which has low efficiency and high cost; 2) Subway contact network de-icing also involves the continuous empty-car operation of electric passenger cars, which has low efficiency, high energy consumption and high cost. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to propose a subway contact network de-icing device and a method of use to replace manual hammering and continuous running of electric passenger cars for de-icing operations, improve work efficiency, save drivers, reduce the number and workload of emergency personnel for contact network maintenance, reduce the electricity consumption of electric passenger cars, and reduce costs.

[0005] For the above purposes, the present invention provides a de-icing device for a subway catenary, including a roller operation table, a box body, a lift, a control cabinet, and a power cabinet, wherein: the roller operation table is installed on the top of the box body, the control cabinet and the power cabinet are both arranged in the box body, and the box body is used to be installed on an engineering vehicle; the roller operation table includes a platform, and a first roller, a second roller, a first belt, a second belt, and a stepping motor installed on the platform. The outer surface of the first roller is provided with a plurality of first cylindrical bodies. The first roller includes a first flat belt pulley. The outer surface of the second roller is provided with a plurality of second cylindrical bodies. Both the first cylindrical bodies and the second cylindrical bodies are used to contact the catenary; the second roller includes a second flat belt pulley. One end of the first belt is sleeved and installed on the first flat belt pulley, and the other end of the first belt is sleeved and installed on the second flat belt pulley. The stepping motor includes a motor belt pulley. One end of the second belt is sleeved and installed on the motor belt pulley, and the other end of the second belt is sleeved and installed on the second flat belt pulley. When the stepping motor rotates, it drives the second roller and the first roller to rotate, so as to rotate and knock the ice on the catenary; the lift includes a lead screw, a meshing worm and worm gear, a motor gearbox, and a base. The motor gearbox is installed on the base. The motor gearbox includes a servo motor and a motor shaft. The motor shaft is installed on the worm. The lead screw includes a mounting end and a telescopic end. The worm gear is sleeved on the outer side wall of the telescopic end and is in screw fit with the lead screw. The mounting end is installed in the box body, and the end face of the telescopic end is installed on the platform. When the servo motor rotates, the lead screw drives the roller operation table to lift; the control cabinet is in communication connection with the stepping motor and the servo motor, and the power cabinet is electrically connected to the control cabinet.

[0006] Optionally, the wheel diameters of the first flat belt pulley, the second flat belt pulley, and the motor belt pulley increase in sequence.

[0007] Optionally, the lift further includes an upper flange and a lower flange. The upper flange is installed on the end face of the telescopic end, and the lower flange is installed on the end face of the mounting end. An opening for the lift to pass through is provided at the top of the box body. The upper flange is threadedly installed on the bottom surface of the platform, and the lower flange is threadedly installed on the bottom of the box body.

[0008] Optionally, the control cabinet includes a power-on button, a start button, a button for adjusting the rotation speed of the stepping motor, an up button, a down button, and a display screen. A slot hole is provided on the outer side surface of the box body. The power-on button, the start button, the button for adjusting the rotation speed of the stepping motor, the up button, the down button, and the display screen are all installed in the slot hole.

[0009] Based on the same inventive concept, the present invention also provides a method for using an ice removal device for a subway catenary. The ice removal device for the subway catenary described in any one of the foregoing is used to remove ice from the catenary, including the following steps:

[0010] Step 1: Install the first roller, the second roller, the first belt, the second belt, and the stepping motor on the platform of the roller operation table. Sleeve one end of the first belt on the first flat belt pulley, and sleeve the other end of the first belt on the second flat belt pulley. Sleeve one end of the second belt on the motor belt pulley, and sleeve the other end of the second belt on the second flat belt pulley. A plurality of first cylindrical bodies are arranged on the outer surface of the first roller, and a plurality of second cylindrical bodies are arranged on the outer surface of the second roller. Bring the first cylindrical bodies and the second cylindrical bodies into contact with the catenary. When the stepping motor rotates, drive the second roller and the first roller to rotate, so as to rotate and knock the ice on the catenary;

[0011] Step 2: Install the motor gearbox on the base. The motor gearbox includes a servo motor and a motor shaft. Install the motor shaft on the worm. The lead screw includes an installation end and a telescopic end. Sleeve the worm gear on the outer side wall of the telescopic end, and be in spiral cooperation with the lead screw. Install the installation end in the box body, and install the end face of the telescopic end on the platform. When the servo motor rotates, the lead screw drives the roller operation table to lift and lower;

[0012] Step 3: Install the roller operation table on the top of the box body. Set the control cabinet and the power cabinet in the box body. Install the box body on the engineering vehicle. Communicate and connect the control cabinet with the stepping motor and the servo motor. Electrically connect the power cabinet with the control cabinet;

[0013] Step 4: Move the engineering vehicle to the catenary area that needs to be de-iced, and turn on the power cabinet to supply power to the device;

[0014] Step 5: Control the elevator to rise, lift the roller operation table below the catenary, and make the first cylindrical bodies and the second cylindrical bodies all slightly contact the bottom of the catenary;

[0015] Step 6: Start the stepping motor, and adjust the rotation speed of the stepping motor as needed. The stepping motor drives the second roller to rotate through the second belt, and then drives the first roller to rotate synchronously. The first cylindrical bodies of the first roller knock on the catenary to knock down long strip-shaped ice cones, and the second cylindrical bodies of the second roller further scrape the remaining broken ice on the surface, realizing dynamic continuous ice removal;

[0016] Step 7: After the ice removal is completed, turn off the stepping motor and the servo motor, lower the elevator, reset the roller operation table to the initial position, and cut off the main power supply of the power cabinet to end the operation.

[0017] The subway catenary de-icing device and its usage method provided by the present invention. The subway catenary de-icing device includes a roller operation platform, a box body, a lift, a control cabinet, and a power cabinet. First, install the first roller, the second roller, the first belt, the second belt, and the stepping motor on the platform of the roller operation platform. Sleeve one end of the first belt on the first flat belt pulley, and sleeve the other end of the first belt on the second flat belt pulley. Sleeve one end of the second belt on the motor belt pulley, and sleeve the other end of the second belt on the second flat belt pulley. A plurality of first cylindrical bodies are arranged on the outer surface of the first roller, and a plurality of second cylindrical bodies are arranged on the outer surface of the second roller. Make the first cylindrical bodies and the second cylindrical bodies all contact the catenary. When the stepping motor rotates, it drives the second roller and the first roller to rotate, so as to rotate and knock the ice on the catenary. Then, install the motor gearbox on the base. The motor gearbox includes a servo motor and a motor shaft. Install the motor shaft on the worm. The lead screw includes an installation end and a telescopic end. Sleeve the worm gear on the outer side wall of the telescopic end, and it is in spiral cooperation with the lead screw. Install the installation end in the box body, and install the end face of the telescopic end on the platform. When the servo motor rotates, the lead screw drives the roller operation platform to lift. Install the roller operation platform on the top of the box body. Set the control cabinet and the power cabinet in the box body. Install the box body on the engineering vehicle. Communicate and connect the control cabinet with the stepping motor and the servo motor, and electrically connect the power cabinet with the control cabinet. Finally, control the lift to rise, lift the roller operation platform below the catenary, make the first cylindrical bodies and the second cylindrical bodies all slightly contact the bottom of the catenary, start the stepping motor, and adjust the rotation speed of the stepping motor as needed. The stepping motor drives the second roller to rotate through the second belt, and then drives the first roller to rotate synchronously. The first cylindrical bodies of the first roller knock the catenary to knock down long ice cones, and the second cylindrical bodies of the second roller further scrape the residual broken ice on the surface, realizing dynamic continuous de-icing. The subway catenary de-icing device and its usage method provided by the present invention replace manual knocking and the continuous operation of electric multiple units for de-icing, improve work efficiency, save drivers, reduce the number and workload of catenary maintenance emergency personnel, reduce the electric energy consumed by electric multiple units, and reduce costs. Description of the Drawings

[0018] The following will describe in detail the preferred embodiments of the present invention with the help of the drawings, which will help to understand the purpose and advantages of the present invention, where:

[0019] Figure 1 It is a schematic structural diagram of the subway catenary de-icing device according to an embodiment of the present invention;

[0020] Figure 2 It is a schematic structural diagram of the roller operation platform in the subway catenary de-icing device according to an embodiment of the present invention;

[0021] Figure 3Schematic structural diagram of the box body in the de-icing device for subway catenary according to an embodiment of the present invention;

[0022] Figure 4 Schematic structural diagram of the elevator in the de-icing device for subway catenary according to an embodiment of the present invention;

[0023] Figure 5 Flowchart of the usage method of the de-icing device for subway catenary according to an embodiment of the present invention.

[0024] Explanation of reference numerals:

[0025] 1: Roller operating table; 2: Box body; 3: Elevator; 4: Control cabinet; 5: Power cabinet; 6: Platform; 7: First roller; 8: Second roller; 9: First belt; 10: Second belt; 11: Slot hole; 12: Lower flange; 13: Stepper motor; 14: First cylindrical body; 15: Second cylindrical body; 16: Catenary; 17: First flat belt pulley; 18: Second flat belt pulley; 19: Motor belt pulley; 20: Lead screw; 21: Worm gear; 22: Worm; 23: Motor gearbox; 24: Base; 25: Telescopic end; 26: Mounting end; 27: Upper flange. Detailed description of the invention

[0026] The present invention will be described in detail below with reference to the embodiments. The same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component, respectively.

[0027] As Figures 1 to 4As shown in the figure, the de-icing device for subway catenary provided by the present invention includes a roller operating table 1, a box body 2, a lift 3, a control cabinet 4, and a power cabinet 5, where: the roller operating table 1 is installed on the top of the box body 2, the control cabinet 4 and the power cabinet 5 are both arranged inside the box body 2, and the box body 2 is used to be installed on an engineering vehicle; the roller operating table 1 includes a platform 6, a first roller 7, a second roller 8, a first belt 9, a second belt 10, and a stepping motor 13 installed on the platform 6. A plurality of first cylindrical bodies 14 are arranged on the outer surface of the first roller 7. The first roller 7 includes a first flat belt pulley 17. A plurality of second cylindrical bodies 15 are arranged on the outer surface of the second roller 8. Both the first cylindrical body 14 and the second cylindrical body 15 are used to contact the catenary 16; the second roller 8 includes a second flat belt pulley 18. One end of the first belt 9 is sleeved and installed on the first flat belt pulley 17, and the other end of the first belt 9 is sleeved and installed on the second flat belt pulley 18. The stepping motor 13 includes a motor belt pulley 19. One end of the second belt 10 is sleeved and installed on the motor belt pulley 19, and the other end of the second belt 10 is sleeved and installed on the second flat belt pulley 18. When the stepping motor 13 rotates, it drives the second roller 8 and the first roller 7 to rotate, so as to rotate and knock the ice on the catenary 16; the lift 3 includes a lead screw 20, a meshing worm gear 21 and a worm 22, a motor gear box 23, and a base 24. The motor gear box 23 is installed on the base 24. The motor gear box 23 includes a servo motor and a motor shaft. The motor shaft is installed on the worm 22. The lead screw 20 includes a mounting end 26 and a telescopic end 25. The worm gear 21 is sleeved on the outer side wall of the telescopic end 25 and is in screw fit with the lead screw 20. The mounting end 26 is installed inside the box body 2, and the end face of the telescopic end 25 is installed on the platform 6. When the servo motor rotates, the lead screw 20 drives the roller operating table 1 to lift; the control cabinet 4 is communicatively connected with the stepping motor 13 and the servo motor, and the power cabinet 5 is electrically connected with the control cabinet 4.

[0028] It should be noted that: the main controller in the control cabinet 4 uses an industrial PLC, such as Siemens S7-1200.

[0029] The de-icing device for subway catenary provided by the present invention includes a roller operation platform 1, a box body 2, a lift 3, a control cabinet 4, and a power cabinet 5. First, install the first roller 7, the second roller 8, the first belt 9, the second belt 10, and the stepping motor 13 on the platform 6 of the roller operation platform 1. One end of the first belt 9 is sleeved and installed on the first flat belt pulley 17, and the other end of the first belt 9 is sleeved and installed on the second flat belt pulley 18. One end of the second belt 10 is sleeved and installed on the motor belt pulley 19, and the other end of the second belt 10 is sleeved and installed on the second flat belt pulley 18. A plurality of first cylindrical bodies 14 are arranged on the outer surface of the first roller 7, and a plurality of second cylindrical bodies 15 are arranged on the outer surface of the second roller 8. Both the first cylindrical body 14 and the second cylindrical body 15 are in contact with the catenary 16. When the stepping motor 13 rotates, it drives the second roller 8 and the first roller 7 to rotate, so as to rotate and knock the ice on the catenary 16. Then, install the motor gearbox 23 on the base 24. The motor gearbox 23 includes a servo motor and a motor shaft. Install the motor shaft on the worm 22. The lead screw 20 includes a mounting end 26 and a telescopic end 25. The worm gear 21 is sleeved on the outer side wall of the telescopic end 25 and is in screw fit with the lead screw 20. Install the mounting end 26 in the box body 2, and install the end face of the telescopic end 25 on the platform 6. When the servo motor rotates, the lead screw 20 drives the roller operation platform 1 to lift. Install the roller operation platform 1 on the top of the box body 2. Both the control cabinet 4 and the power cabinet 5 are arranged in the box body 2. Install the box body 2 on the engineering vehicle. The control cabinet 4 is in communication connection with the stepping motor 13 and the servo motor. The power cabinet 5 is electrically connected to the control cabinet 4. Finally, control the lift 3 to rise, lift the roller operation platform 1 below the catenary 16, so that both the first cylindrical body 14 and the second cylindrical body 15 are slightly in contact with the bottom of the catenary 16. Start the stepping motor 13 and adjust the rotation speed of the stepping motor 13 as needed. The stepping motor 13 drives the second roller 8 to rotate through the second belt 10, and then drives the first roller 7 to rotate synchronously. The first cylindrical body 14 of the first roller 7 knocks on the catenary 16 to knock down long ice cones, and the second cylindrical body 15 of the second roller 8 further scrapes the residual broken ice on the surface, realizing dynamic continuous de-icing. The de-icing device for subway catenary provided by the present invention replaces manual knocking and the continuous running-in de-icing operation of electric multiple units, improves work efficiency, saves drivers, reduces the number and workload of catenary 16 maintenance emergency personnel, reduces the electric energy consumed by electric multiple units, and reduces costs.

[0030] Such as Figure 1 And Figure 2As shown, the diameters of the first flat pulley 17, the second flat pulley 18, and the motor pulley 19 increase in sequence. In this embodiment, the diameters of the first flat pulley 17, the second flat pulley 18, and the motor pulley 19 are different, and the speed ratios are different, thus driving the rotation speeds of the first roller 7 and the second roller 8 to be the same, and the knocking frequencies of the first roller 7 and the second roller 8 are different. The first roller 7 mainly knocks off the ice by vibration, and the second roller 8 can scrape the broken ice on the surface of the catenary 16. The rotation speed of the stepper motor 13, the rotation speed of the first flat pulley 17, and the rotation speed and diameter of the second flat pulley 18 can be as shown in Table 1, and the rotation speed of the stepper motor 13 is adjusted through the control cabinet 4;

[0031] Table 1

[0032] As Figure 4 shown, the elevator 3 further includes an upper flange 27 and a lower flange 12. The upper flange 27 is installed on the end face of the telescopic end 25, and the lower flange 12 is installed on the end face of the installation end 26. An opening for the elevator 3 to pass through is provided at the top of the box body 2. The upper flange 27 is threadedly installed on the bottom surface of the platform 6, and the lower flange 12 is threadedly installed at the bottom inside the box body 2. In this embodiment, the elevator 3 is detachably installed on the platform 6 and the box body 2 through the upper flange 27 and the lower flange 12, improving the convenience of installation and disassembly of the subway catenary de-icing device.

[0033] As Figure 1 shown, the control cabinet 4 includes a power-on button, a start button, a button for adjusting the rotation speed of the stepper motor 13, a raise button, a lower button, and a display screen. A slot hole 11 is provided on the outer side surface of the box body 2, and the power-on button, the start button, the button for adjusting the rotation speed of the stepper motor 13, the raise button, the lower button, and the display screen are all installed in the slot hole 11. In this embodiment, the operation of the subway catenary de-icing device is facilitated.

[0034] As Figures 1 to 5 shown, based on the same inventive concept, the present invention further provides a use method of a subway catenary de-icing device. Using the subway catenary de-icing device of any of the foregoing embodiments to de-ice the catenary 16 includes the following steps:

[0035] Step 1: Install the first roller 7, the second roller 8, the first belt 9, the second belt 10, and the stepper motor 13 on the platform 6 of the roller operation table 1. Sleeve one end of the first belt 9 on the first flat belt pulley 17, and sleeve the other end of the first belt 9 on the second flat belt pulley 18. Sleeve one end of the second belt 10 on the motor belt pulley 19, and sleeve the other end of the second belt 10 on the second flat belt pulley 18. A plurality of first cylindrical bodies 14 are provided on the outer surface of the first roller 7, and a plurality of second cylindrical bodies 15 are provided on the outer surface of the second roller 8. Bring the first cylindrical bodies 14 and the second cylindrical bodies 15 into contact with the catenary 16. When the stepper motor 13 rotates, it drives the second roller 8 and the first roller 7 to rotate, so as to rotate and knock the ice on the catenary 16;

[0036] Step 2: Install the motor gearbox 23 on the base 24. The motor gearbox 23 includes a servo motor and a motor shaft. Install the motor shaft on the worm 22. The lead screw 20 includes an installation end 26 and a telescopic end 25. Sleeve the worm gear 21 on the outer side wall of the telescopic end 25, and helically cooperate with the lead screw 20. Install the installation end 26 in the box body 2, and install the end face of the telescopic end 25 on the platform 6. When the servo motor rotates, the lead screw 20 drives the roller operation table 1 to lift and lower;

[0037] Step 3: Install the roller operation table 1 on the top of the box body 2. Set the control cabinet 4 and the power cabinet 5 in the box body 2. Install the box body 2 on the engineering vehicle. Communicate and connect the control cabinet 4 with the stepper motor 13 and the servo motor. Electrically connect the power cabinet 5 with the control cabinet 4;

[0038] Step 4: Move the engineering vehicle to the area of the catenary 16 that needs to be de-iced, and turn on the power cabinet 5 to supply power to the device;

[0039] Step 5: Control the elevator 3 to rise, lift the roller operation table 1 below the catenary 16, and make the first cylindrical bodies 14 and the second cylindrical bodies 15 all slightly contact the bottom of the catenary 16;

[0040] Step 6: Start the stepper motor 13, and adjust the rotation speed of the stepper motor 13 as needed. The stepper motor 13 drives the second roller 8 to rotate through the second belt 10, and then drives the first roller 7 to rotate synchronously. The first cylindrical bodies 14 of the first roller 7 knock on the catenary 16 to knock down long ice cones, and the second cylindrical bodies 15 of the second roller 8 further scrape the residual broken ice on the surface to achieve dynamic continuous de-icing;

[0041] Step 7: After the de-icing is completed, turn off the stepper motor 13 and the servo motor, lower the elevator 3, reset the roller operation table 1 to the initial position, and cut off the main power supply of the power cabinet 5 to end the operation.

[0042] The subway catenary de-icing device and its usage method provided by the present invention. The subway catenary de-icing device includes a roller operation table 1, a box body 2, a lift 3, a control cabinet 4, and a power cabinet 5. First, install the first roller 7, the second roller 8, the first belt 9, the second belt 10, and the stepping motor 13 on the platform 6 of the roller operation table 1. Set one end of the first belt 9 on the first flat belt pulley 17, and set the other end of the first belt 9 on the second flat belt pulley 18. Set one end of the second belt 10 on the motor belt pulley 19, and set the other end of the second belt 10 on the second flat belt pulley 18. A plurality of first cylindrical bodies 14 are arranged on the outer surface of the first roller 7, and a plurality of second cylindrical bodies 15 are arranged on the outer surface of the second roller 8. Bring the first cylindrical bodies 14 and the second cylindrical bodies 15 into contact with the catenary 16. When the stepping motor 13 rotates, it drives the second roller 8 and the first roller 7 to rotate, so as to rotate and knock the ice on the catenary 16. Then, install the motor gearbox 23 on the base 24. The motor gearbox 23 includes a servo motor and a motor shaft. Install the motor shaft on the worm 22. The lead screw 20 includes an installation end 26 and a telescopic end 25. Set the worm gear 21 on the outer side wall of the telescopic end 25 and be helically engaged with the lead screw 20. Install the installation end 26 in the box body 2, and install the end face of the telescopic end 25 on the platform 6. When the servo motor rotates, the lead screw 20 drives the roller operation table 1 to lift. Install the roller operation table 1 on the top of the box body 2. Set the control cabinet 4 and the power cabinet 5 in the box body 2. Install the box body 2 on an engineering vehicle. Communicate the control cabinet 4 with the stepping motor 13 and the servo motor, and electrically connect the power cabinet 5 with the control cabinet 4. Finally, control the lift 3 to rise, lift the roller operation table 1 below the catenary 16, so that the first cylindrical bodies 14 and the second cylindrical bodies 15 are both in slight contact with the bottom of the catenary 16. Start the stepping motor 13, and adjust the rotation speed of the stepping motor 13 as needed. The stepping motor 13 drives the second roller 8 to rotate through the second belt 10, and then drives the first roller 7 to rotate synchronously. The first cylindrical bodies 14 of the first roller 7 knock on the catenary 16 to knock down long ice cones, and the second cylindrical bodies 15 of the second roller 8 further scrape the remaining broken ice on the surface, realizing dynamic continuous de-icing. The subway catenary de-icing device and its usage method provided by the present invention replace manual knocking and the continuous running-in de-icing operation of electric multiple units, improve work efficiency, save drivers, reduce the number of maintenance emergency personnel and workload of the catenary 16, reduce the electric energy consumed by electric multiple units, and reduce costs.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. However, such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ice removal device for a subway catenary, characterized in that, It includes a roller operating platform, a box body, a lift, a control cabinet, and a power cabinet, where: The roller operating platform is installed on the top of the box body, the control cabinet and the power cabinet are both arranged inside the box body, and the box body is used to be installed on an engineering vehicle; The roller operating platform includes a platform, and a first roller, a second roller, a first belt, a second belt, and a stepping motor installed on the platform. A plurality of first cylindrical bodies are arranged on the outer surface of the first roller. The first roller includes a first flat belt pulley. A plurality of second cylindrical bodies are arranged on the outer surface of the second roller. Both the first cylindrical body and the second cylindrical body are used to contact the catenary; The second roller includes a second flat belt pulley. One end of the first belt is sleeved and installed on the first flat belt pulley, and the other end of the first belt is sleeved and installed on the second flat belt pulley. The stepping motor includes a motor belt pulley. One end of the second belt is sleeved and installed on the motor belt pulley, and the other end of the second belt is sleeved and installed on the second flat belt pulley. When the stepping motor rotates, it drives the second roller and the first roller to rotate, so as to rotate and knock the ice on the catenary; The lift includes a lead screw, a meshing worm and worm gear, a motor gearbox, and a base. The motor gearbox is installed on the base. The motor gearbox includes a servo motor and a motor shaft. The motor shaft is installed on the worm. The lead screw includes an installation end and a telescopic end. The worm gear is sleeved on the outer side wall of the telescopic end and is in spiral cooperation with the lead screw. The installation end is installed inside the box body, and the end face of the telescopic end is installed on the platform. When the servo motor rotates, the lead screw drives the roller operating platform to rise and fall; The control cabinet is in communication connection with the stepping motor and the servo motor, and the power cabinet is electrically connected to the control cabinet.

2. The subway catenary de-icing device according to claim 1, wherein The wheel diameters of the first flat belt pulley, the second flat belt pulley, and the motor belt pulley increase in sequence.

3. The subway catenary de-icing device according to claim 1, characterized in that, The lift further includes an upper flange and a lower flange. The upper flange is installed on the end face of the telescopic end, and the lower flange is installed on the end face of the installation end. An opening for the lift to pass through is provided at the top of the box body. The upper flange is threadedly installed on the bottom surface of the platform, and the lower flange is threadedly installed at the bottom inside the box body.

4. The de-icing device for subway catenary according to claim 1, characterized in that, The control cabinet includes a power-on button, a start button, a button for adjusting the rotation speed of the stepping motor, a rise button, a fall button, and a display screen. A slot hole is provided on the outer side surface of the box body. The power-on button, the start button, the button for adjusting the rotation speed of the stepping motor, the rise button, the fall button, and the display screen are all installed in the slot hole.

5. A method for using an ice removal device for a subway catenary, using the ice removal device for the subway catenary according to any one of claims 1-4 to remove ice from the catenary, characterized in that, It includes the following steps: Step 1: Install the first roller, the second roller, the first belt, the second belt, and the stepper motor on the platform of the roller operation table. Set one end of the first belt on the first flat belt pulley and the other end on the second flat belt pulley. Set one end of the second belt on the motor belt pulley and the other end on the second flat belt pulley. There are multiple first cylindrical bodies on the outer surface of the first roller and multiple second cylindrical bodies on the outer surface of the second roller. Bring the first cylindrical bodies and the second cylindrical bodies into contact with the catenary. When the stepper motor rotates, it drives the second roller and the first roller to rotate, so as to rotate and strike the ice on the catenary. Step 2: Install the motor gearbox on the base. The motor gearbox includes a servo motor and a motor shaft. Install the motor shaft on the worm. The lead screw includes an installation end and a telescopic end. Set the worm gear on the outer side wall of the telescopic end and be helically engaged with the lead screw. Install the installation end in the box body and install the end face of the telescopic end on the platform. When the servo motor rotates, the lead screw drives the roller operation table to lift and lower. Step 3: Install the roller operation table on the top of the box body. Set the control cabinet and the power cabinet in the box body. Install the box body on the engineering vehicle. Connect the control cabinet to communicate with the stepper motor and the servo motor, and electrically connect the power cabinet to the control cabinet. Step 4: Move the engineering vehicle to the catenary area where de-icing is required, and turn on the power cabinet to supply power to the device. Step 5: Control the elevator to rise, lift the roller operation table below the catenary, and make both the first cylindrical body and the second cylindrical body slightly contact the bottom of the catenary. Step 6: Start the stepper motor and adjust the rotation speed of the stepper motor as needed. The stepper motor drives the second roller to rotate through the second belt, and then drives the first roller to rotate synchronously. The first cylindrical body of the first roller strikes the catenary to knock down long ice cones, and the second cylindrical body of the second roller further scrapes the residual broken ice on the surface, realizing dynamic continuous de-icing. Step 7: After de-icing is completed, turn off the stepper motor and the servo motor, lower the elevator to reset the roller operation table to the initial position, and cut off the main power supply of the power cabinet to end the operation.

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