Device for deicing contact wire of electrified railway

Abstract

The invention discloses a device for deicing a contact wire of an electrified railway, and the device comprises a containing housing which is provided with a first drive motor at the bottom, and the first drive motor is used for driving the containing housing to rotate horizontally; the rotating rod is horizontally arranged, the inner end of the rotating rod extends into the accommodating shell, and the outer end of the rotating rod extends out of the accommodating shell; the second driving motor is located in the containing shell, and a rotor of the second driving motor is fixedly connected with the inner end of the rotating rod; the deicing hammer is mounted at the outer end of the rotating rod and is used for vertically rotating under the driving of the second driving motor, so that the deicing hammer impacts the contact wire of the electrified railway, and ice on the contact wire is broken; the device belongs to physical deicing, can effectively remove a high-hardness ice layer, and is lower in energy consumption and safer to operate.

Description

Technical Field

[0001] This invention belongs to the field of railway contact wire de-icing, and particularly relates to a device for de-icing contact wires of electrified railways. Background Technology

[0002] With the rapid development of modern technology, my country's electrified railway construction has also achieved leapfrog development. Currently, the railway department attaches great importance to the safe operation of electrified railways. Icing accidents frequently occur on the overhead contact lines of my country's electrified railways, which has a very negative impact on the rapidly developing electrified railway system, especially during the cold winter when the contact lines are very prone to icing.

[0003] Ice accumulation on railway overhead contact lines poses a significant challenge to high-speed railway operations under extreme conditions. In my country, high-speed railways are widely affected by icing, with significant differences in icing types across different regions and complex and diverse icing patterns on the overhead contact lines. Ice accumulation on high-speed railway overhead contact lines not only disrupts current collection from the pantograph and catenary but also easily triggers ice galloping, which can lead to power outages in severe cases.

[0004] Currently, railway departments mainly employ two methods to address the problem of ice accumulation on the overhead contact line: mechanical de-icing, which involves using specialized ice scrapers or manual tapping to remove the ice layer; and thermal de-icing, which utilizes carbon-aluminum or copper-based powder metallurgy sliding plates on the pantograph to melt or remove the ice layer through frictional heating or mechanical cutting. Additionally, an existing technology involves pre-embedding a heatable, insulated, soft copper stranded wire within the existing contact line. In cold weather, heating this wire with electricity can quickly resolve the ice accumulation problem on the external contact line. Furthermore, another existing technology utilizes the power grid's DC de-icing device, applying a stable and adjustable DC current to the contact line to directly heat and melt the ice layer. This technology, based on the principle of short-circuit heating, has been widely used in high-voltage transmission lines.

[0005] All of the above methods have certain limitations and drawbacks. Existing mechanical de-icing methods often involve manual operation, such as using long insulated rods or moisture-proof insulated ropes to knock or pull the insulated ropes to remove ice. In low-temperature conditions, this is difficult to work continuously for extended periods, is time-consuming and labor-intensive, and has low efficiency. Some heating de-icing methods also often involve technical problems, are cumbersome to operate, consume a lot of energy, have limited use, and may even pose safety risks. Therefore, current de-icing technologies generally suffer from low efficiency, high energy consumption, high losses, and high labor costs, and are particularly difficult to adapt to the high-speed, high-density, and high-voltage operating characteristics of high-speed rail. Summary of the Invention

[0006] The purpose of this invention is to provide a device for de-icing the contact wires of electrified railways, so as to solve the problems of inefficiency, high cost, limited application scenarios, cumbersome operation, and high energy consumption of existing de-icing technologies.

[0007] This invention adopts the following technical solution: a device for de-icing contact wires of electrified railways, comprising: The housing has a first drive motor at its bottom, which is used to drive the housing to rotate horizontally. The rotating rod is set horizontally, with its inner end extending into the housing and its outer end extending outward from the housing. The second drive motor is located inside the housing, and its rotor is fixedly connected to the inner end of the rotating rod. The de-icing hammer, installed at the outer end of the rotating rod, is used to rotate vertically under the drive of the second drive motor, thereby causing the de-icing hammer to strike the contact wire of the electrified railway and break the ice on the contact wire.

[0008] The beneficial effects of this invention are: This invention is a physical de-icing method that can effectively remove hard ice layers, consumes less energy, and is safer to operate. The present invention, by setting a first drive motor and a second drive motor, can adjust the rotation speed of the de-icing hammer and the rotation speed of the housing, thereby adapting to ice layers of different thicknesses and the hardness of the ice covering, so as to change the number and force of the tapping on the contact wire and improve the de-icing efficiency. The de-icing hammer of this invention uses a wooden hammer body, which will not damage the contact wire. Physical de-icing is also safer, avoiding the potential defects of removing ice through heating or chemical methods. It protects personal safety while maintaining the system and can also effectively protect the contact wire from damage by external forces, making train operation safer and more reliable.

[0009] By setting up a support frame, the present invention can be fixed on a trolley that travels along the contact wire, thereby enabling the trolley to drive the present invention to run along the contact wire. In addition, the trolley also needs to provide power to the first drive motor and the second drive motor of the present invention to facilitate the rotation of the de-icing hammer for de-icing. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a partial structural diagram of the present invention.

[0011] Among them: 10, housing; 11, rotating rod; 12, de-icing hammer; 13, mounting ring; 14, fixing rod; 15, first pull ring; 16, connecting rod; 17, second pull ring; 18, fixing tube; 19, pendulum. Detailed Implementation

[0012] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0013] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "multiple" means two or more. The term "orientation" in this invention refers to the orientation of the device or element according to the invention. Figure 1 Description of the state's progression.

[0014] This invention discloses a device for de-icing contact wires of electrified railways, such as... Figure 1-2 As shown, it includes: a housing 10, a rotating rod 11, a second drive motor, and an ice-removing hammer 12.

[0015] A first drive motor is provided at the bottom of the housing 10, which is used to drive the housing 10 to rotate horizontally.

[0016] The rotating rod 11 is set horizontally, with its inner end extending into the housing 10 and its outer end extending outward from the housing 10.

[0017] The second drive motor is located inside the housing 10, and the rotor of the second drive motor is fixedly connected to the inner end of the rotating rod 11.

[0018] The de-icing hammer 12 is installed at the outer end of the rotating rod 11. The de-icing hammer 12 is used to rotate vertically under the drive of the second drive motor, so that the de-icing hammer 12 can strike the contact wire of the electrified railway and break the ice on the contact wire.

[0019] The top of the housing 10 is close to the contact wire, ensuring that the de-icing hammer 12 can strike and contact the contact wire during rotation. When the de-icing hammer 12 rotates to the top of the vertical track, its highest point is higher than the horizontal height of the top of the housing 10. This arrangement ensures that the de-icing hammer 12 can contact and strike the contact wire when it reaches its highest point.

[0020] A support frame is also provided on the lower side of the housing 10. The support frame is horizontally arranged and a first drive motor is installed at its center. The lower side of the support frame is fixed on the trolley that travels along the contact wire, so that the de-icing hammer 12 de-ices the contact wire along the contact wire under the drive of the trolley.

[0021] A fixed tube 18 is sleeved on the outer side of the rotating rod 11. The inner end of the fixed tube 18 is fixedly connected to the side of the housing 10. The outer end of the fixed tube 18 extends outward. Bearings are installed in the inner and outer cavities of the fixed tube 18. The rotating rod 11 is installed in the cavities of the two bearings, so that the rotating rod 11 can rotate inside the fixed tube 18, while the fixed tube 18 remains stable and does not rotate. Three mounting rings 13 are provided at the end of the rotating rod 11 that extends out of the fixed tube 18.

[0022] The de-icing hammers 12 are arranged in two rows, with three hammers in each row. This arrangement ensures that the rotating rod 11 is subjected to even force and also allows for better de-icing.

[0023] A fixing tube 18 is sleeved on the inner end of the rotating rod 11, and three mounting rings 13 are sleeved on the outer end of the rotating rod 11. Each mounting ring 13 has three horizontally penetrating mounting holes, which are evenly distributed on the mounting ring 13 with the center line of the rotating rod 11 as the central axis. The axes of the mounting holes corresponding to each mounting ring 13 coincide with each other. The mounting holes corresponding to each mounting ring 13 are used for fixing rods 14 to pass through. The three fixing rods 14 pass through the three mounting rings 13. A gap is provided between two adjacent mounting rings 13. The fixing rods 14 in the gap are used to sleeve the first pull ring 15. The first pull ring 15 is used to fix the de-icing hammer 12.

[0024] The de-icing hammer 12 includes: a connecting rod 16, the two ends of which are fixedly connected to a first pull ring 15 and a second pull ring 17 respectively; the second pull ring 17 is used to be sleeved on the pull rod, the two ends of the pull rod are fixedly connected to a pendulum 19, the pendulum 19 is a block structure with a predetermined weight, one end of the pendulum 19 is provided with a receiving groove, the receiving groove is used to receive the second pull ring 17, and the pendulum 19 and the two sides of the receiving groove are respectively provided with locking holes, the two locking holes are respectively used for the two ends of the pull rod to extend into and be fixed.

[0025] The housing 10 is a hollow, horizontally positioned cylindrical structure. Three rotating rods 11 and three second drive motors are provided, evenly distributed around the center line of the cylindrical housing 10. This arrangement facilitates the installation of the second drive motors and rotating rods 11, and also ensures the balance of the housing 10.

[0026] The housing 10 has an air inlet at the bottom and an air outlet at the top. The air inlet is used for high-pressure air to enter and then be discharged from the air outlet to blow off the ice fragments generated on the contact wire during the ice breaking process.

[0027] The vehicle is also equipped with an air compressor, which allows high-pressure gas to enter through the air inlet at the bottom of the housing 10 and the airflow to exit through the air outlet at the top of the housing 10. This can quickly blow off the ice fragments on the wires, making the de-icing process more thorough.

[0028] The method of using this invention is as follows: A support frame with the first drive motor mounted at its center is placed on a trolley, which then moves continuously along the contact wire. The housing 10 is then connected to the first drive motor. At this point, it is crucial that the top of the housing 10 is in contact with the contact wire or that the distance between them is minimal. This ensures that the de-icing hammer 12 can strike and touch the contact wire during rotation. The first drive motor is then started, causing the housing 10 to rotate horizontally. The second drive motor is then started, causing the de-icing hammer 12 to rotate vertically, breaking up the ice on the contact wire during this rotation.

[0029] In use, the second drive motor can be driven first, and then the first drive motor can be started.

[0030] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for de-icing contact wires of electrified railways, characterized in that, include: The housing (10) is equipped with a first drive motor at its bottom, which is used to drive the housing (10) to rotate horizontally; The rotating rod (11) is set horizontally, with its inner end extending into the housing (10) and its outer end extending outward from the housing (10); The second drive motor is located inside the housing (10), and its rotor is fixedly connected to the inner end of the rotating rod (11); The de-icing hammer (12) is installed at the outer end of the rotating rod (11) and is used to rotate vertically under the drive of the second drive motor, so that the de-icing hammer (12) can strike the contact wire of the electrified railway and break the ice on the contact wire.

2. The device for de-icing contact wires of electrified railways according to claim 1, characterized in that, When the de-icing hammer (12) rotates along the vertical trajectory to the top of the trajectory, the highest point of the de-icing hammer (12) is higher than the horizontal height of the top of the housing (10).

3. The device for de-icing contact wires of electrified railways according to claim 1, characterized in that, A support frame is also provided on the lower side of the housing (10). The support frame is horizontally arranged and a first drive motor is installed at its center. The lower side of the support frame is fixed on the trolley that travels along the contact wire, so that the de-icing hammer (12) de-ices the contact wire along the contact wire under the drive of the trolley.

4. The device for de-icing contact wires of electrified railways according to claim 1, characterized in that, A fixing tube (18) is sleeved on the outside of the rotating rod (11).

5. The device for de-icing contact wires of electrified railways according to claim 1, characterized in that, The de-icing hammers (12) are arranged in two rows, with three hammers in each row.

6. The device for de-icing contact wires of electrified railways according to claim 5, characterized in that, The outer end of the rotating rod (11) is fitted with three mounting rings (13). Each mounting ring (13) has three horizontally penetrating mounting holes. The three mounting holes are evenly distributed on the mounting rings (13) with the center line of the rotating rod (11) as the central axis. The axes of the mounting holes corresponding to each mounting ring (13) coincide with each other. The mounting holes corresponding to each mounting ring (13) are used for fixing rods (14) to pass through. The three fixing rods (14) pass through the three mounting rings (13). There is a gap between two adjacent mounting rings (13). The fixing rods (14) at the gap are used to fit the first pull ring (15). The first pull ring (15) is used to fix the de-icing hammer (12).

7. The device for de-icing contact wires of electrified railways according to claim 6, characterized in that, The de-icing hammer (12) includes: The connecting rod (16) is fixedly connected at both ends to the first pull ring (15) and the second pull ring (17), respectively; The second pull ring (17) is used to be sleeved on the pull rod. The two ends of the pull rod are fixedly connected to the pendulum (19). The pendulum (19) is a block structure with a predetermined weight. One end of the pendulum has a receiving groove. The receiving groove is used to receive the second pull ring (17). The pendulum (19) and the two sides of the receiving groove have through holes. The two holes are used for the two ends of the pull rod to extend into and be fixed.

8. The device for de-icing contact wires of electrified railways according to claim 1, characterized in that, The housing (10) is a hollow, horizontally arranged cylindrical structure.

9. A device for de-icing contact wires of electrified railways according to claim 8, characterized in that, The rotating rod (11) and the second drive motor are each provided in threes, and are evenly distributed with the center line of the cylindrical structure of the housing (10) as the axis.

10. A device for de-icing contact wires of electrified railways according to claim 1, characterized in that, The bottom of the housing (10) is provided with an air inlet and the top is provided with an air outlet. The air inlet is used for high-pressure air to enter and then be discharged from the air outlet to blow off the ice fragments generated on the contact wire during the ice breaking process.

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