Railway overhead line system deicing device

By designing a railway catenary de-icing device, which utilizes drive wheel sets and guide wheel sets to provide power, and combines a de-icing motor and a detachable de-icing rod, the problems of low de-icing efficiency and safety hazards in existing technologies have been solved, achieving safe and efficient de-icing operations.

CN223613014UActive Publication Date: 2025-11-28SHIJIAZHUANG INST OF RAILWAY TECH
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202423135112.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing methods for de-icing railway overhead contact lines are inefficient and pose safety hazards, affecting train operation safety.

Method used

Design a railway catenary de-icing device, including a traveling frame, traveling wheel set and de-icing unit, using drive wheel set and guide wheel set to provide power and guidance, and using de-icing motor to drive rotating disk and detachable de-icing rod for safe and efficient de-icing.

Benefits of technology

It achieves safe de-icing while maintaining efficiency, reduces manpower and material consumption, minimizes the impact on pantograph lifespan, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223613014U_ABST
    Figure CN223613014U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of overhead line system deicing, and provides a railway overhead line system deicing device which comprises a walking rack, a walking wheel set and a deicing unit, the walking wheel set and the deicing unit are arranged on the walking rack, the walking rack comprises a wheel set installation part and a deicing installation part, and the walking wheel set comprises a driving wheel set and a guide wheel set. The driving wheel set comprises at least four driving wheel units, each driving wheel unit comprises a driving support, a hydraulic spring, a driving motor, a driving wheel body and a guide cover, the driving supports are hinged to the wheel set mounting parts, one ends of the hydraulic springs are hinged to the wheel set mounting parts, and the other ends of the hydraulic springs are hinged to the tops of the driving supports; the driving motor is arranged on the driving support, the driving wheel body is arranged at the output end of the driving motor, the guide cover is arranged at the upper end of the driving support and partially covers the driving wheel body, and the outer surface of the guide cover is an arc-shaped surface. By means of the technical scheme, the problems that in the prior art, a contact network deicing mode is low in efficiency, and potential safety hazards exist are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to contact net deicing technical field, specifically, relate to a railway contact net deicing device. BACKGROUND

[0002] The power supply contact net is an important part of train operation, but in the cold winter in the north, the surface of the power supply contact net is prone to icing, so that the power supply contact net equipment not only bears its own weight, but also bears the pressure brought by icing, greatly increasing the bearing load of the power supply contact net.

[0003] The existing railway contact net deicing method mainly has three kinds, one is manual deicing, which is under the condition that the contact net is powered off, relying on workers riding track cars to hold wooden sticks to hit the contact net, so that the ice frozen on the contact net falls off, the second method is to install an ice scraping plate above the diesel locomotive pantograph to remove the ice attached to the line contact net, the third method is to clamp the contact net in the middle of the deicing mechanism, so that the deicing mechanism is fixed on the contact net, and the ice is removed by the ice scraping knife. The three methods have certain danger in the process of high-altitude operation of workers, consume a lot of manpower and material resources, have influence on the service life of the pantograph, affect the safe operation of the train, and need to disassemble and reinstall the device when encountering the contact net hanging chord, which is complicated to operate. UTILITY MODEL CONTENT

[0004] The utility model provides a railway contact net deicing device, which solves the problems of low efficiency and safety hazards in the prior art contact net deicing method.

[0005] The technical scheme of the utility model is as follows:

[0006] The utility model relates to a railway overhead line system deicing device, the deicing device includes walking frame, and walking wheel group and deicing unit set on the walking frame, the walking frame includes wheel group installation part and deicing installation part, the deicing installation part is U type structure, the wheel group installation part sets up in the top both sides of deicing installation part, the deicing unit sets up in the deicing installation part, the walking wheel group includes drive wheel group and guide wheel group, wherein, the guide wheel group is located below the electric wire, the drive wheel group is located above the electric wire, the drive wheel group includes at least four drive wheel units, and at least two drive wheel units are installed on each wheel group installation part, the drive wheel unit includes drive support, hydraulic spring, drive motor, drive wheel body and guide cover, the drive support is hingedly arranged on the wheel group installation part, one end of the hydraulic spring is hingedly arranged on the wheel group installation part, the other end is hingedly arranged on the top of drive support, the drive motor is arranged on the drive support, the drive wheel body is arranged on the output end of drive motor, the guide cover is arranged on the upper end of drive support and partially covers the drive wheel body, and the outer surface of guide cover is arc surface.

[0007] The guide wheel group includes at least two guide wheel units, and at least one guide wheel unit is arranged on each wheel group installation part, the guide wheel unit includes guide support and guide wheel body, the guide support is arranged on the wheel group installation part, and the guide wheel body is rotatably arranged on the guide support.

[0008] The deicing unit is arranged in two groups and arranged on the two side walls of the deicing installation part respectively, the deicing unit includes deicing motor, rotating disc, deicing rod, the deicing motor is arranged on the deicing installation part, the rotating disc is arranged on the output end of deicing motor, the rotating disc is provided with a plurality of mounting ends, and the deicing rod is detachably arranged on the mounting end of the rotating disc.

[0009] The walking frame further includes a diagonal rib, one end of the diagonal rib is connected with the wheel group installation part, and the other end is connected with the deicing installation part.

[0010] The deicing unit further includes a U-shaped connecting piece, the U-shaped connecting piece is swingably arranged on the mounting end of the rotating disc, and the deicing rod is arranged on the U-shaped connecting piece.

[0011] The working principle and beneficial effects of the utility model are as follows:

[0012] The utility model discloses a railway overhead line system deicing device, install walking wheel group and deicing unit on walking frame, and walking frame is constituted by wheel group installation department and deicing installation department, and the deicing installation department of U type forms the recessed installation space, is used to install deicing unit, and the wheel group installation department is on the both sides of the deicing installation department of U type, and installs guide wheel group and drive wheel group respectively, and guide wheel group is guided below the wire, and the drive wheel group is above the guide, provides the power of moving and suspends walking frame, and the drive wheel group includes at least four drive wheel units, and each drive wheel unit structure is same, and the drive support of hinged mounting is on the wheel group installation department, and one side of the drive support deviating from the wire is provided with hydraulic spring, and the both sides of hydraulic spring are also hinged, and the length design of hydraulic spring makes the drive support just stand upright, and the drive motor is installed on the drive support, and the drive wheel body is on the output end of drive motor, and the guide cover is installed on the drive support and covers a part of guide wheel, when encountering the existence of the obstacle on the wire, the arc-shaped guide cover will be extruded under the obstacle, and the drive support is deviated around the hinge point, and the hydraulic spring is compressed, and at this time, the other three drive wheel units also cooperate with the wire, therefore the whole deicing device will not fall down, and each drive wheel unit can bypass the obstacle according to the same principle, and the deicing unit deices the wire, so that the safe deicing under the premise of giving consideration to efficiency can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be explained further in detail in connection with the specific embodiment and the accompanying drawings.

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 It is the partial close-up of A in the utility model;

[0016] Figure 3 It is the structure schematic diagram of deicing unit in the utility model;

[0017] In the drawing: 1, walking frame, 2, wheel group installation department, 3, deicing installation department, 4, drive wheel unit, 5, drive support, 6, hydraulic spring, 7, drive motor, 8, drive wheel body, 9, guide cover, 10, guide support, 11, guide wheel body, 12, deicing motor, 13, rotary disc, 14, deicing rod, 15, inclined tendon, 16, U type connecting piece. CONCRETE EMBODIMENT

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0019] As shown in Figures 1-3 The present embodiment provides a railway overhead line deicing device, which comprises a walking frame 1, a walking wheel set and a deicing unit arranged on the walking frame 1. The walking frame comprises a wheel set mounting portion 2 and a deicing mounting portion 3. The deicing mounting portion 3 is in a U-shaped structure. The wheel set mounting portion 2 is arranged on both sides of the top of the deicing mounting portion 3. The deicing unit is arranged in the deicing mounting portion 3. The walking wheel set comprises a driving wheel set and a guide wheel set. The guide wheel set is located below the electric wire, and the driving wheel set is located above the electric wire. The driving wheel set comprises at least four driving wheel units 4. Each wheel set mounting portion 2 is provided with at least two driving wheel units 4. Each driving wheel unit 4 comprises a driving bracket 5, a hydraulic spring 6, a driving motor 7, a driving wheel body 8 and a guide cover 9. The driving bracket 5 is hingedly arranged on the wheel set mounting portion 2. One end of the hydraulic spring 6 is hingedly arranged on the wheel set mounting portion 2, and the other end is hingedly arranged on the top of the driving bracket 5. The driving motor 7 is arranged on the driving bracket 5. The driving wheel body 8 is arranged on the output end of the driving motor 7. The guide cover 9 is arranged on the upper end of the driving bracket 5 and partially covers the driving wheel body 8. The outer surface of the guide cover 9 is in an arc shape.

[0020] In this embodiment, a railway catenary deicing device is disclosed, which is provided with a walking wheel set and a deicing unit mounted on a walking frame 1. The walking frame 1 is composed of a wheel set mounting part 2 and a deicing mounting part 3. The U-shaped deicing mounting part 3 forms an inner recessed mounting space for mounting the deicing unit. The wheel set mounting part 2 is arranged on both sides of the U-shaped deicing mounting part 3. The wheel set mounting part 2 is provided with a guide wheel set and a driving wheel set. The guide wheel set is arranged below the electric wire for guiding. The driving wheel set is arranged above the guide wheel set for providing the power for moving and suspending the walking frame 1. The driving wheel set includes at least four driving wheel units 4. Each driving wheel unit 4 has the same structure and is hingedly mounted on a driving bracket 5 of the wheel set mounting part 2. A hydraulic spring 6 is arranged on one side of the driving bracket 5 away from the electric wire. The two sides of the hydraulic spring 6 are also hingedly connected. The length of the hydraulic spring 6 is designed to make the driving bracket 5 stand upright. A driving motor 7 is mounted on the driving bracket 5. A driving wheel body 8 is arranged on the output end of the driving motor 7. A guide cover 9 is mounted on the driving bracket 5 and covers part of the guide wheel. When an obstacle is encountered on the electric wire, the arc-shaped guide cover 9 will be pressed by the obstacle to make the driving bracket 5 deviate around the hinge point, and the hydraulic spring 6 will be compressed. At this time, the other three driving wheel units 4 are still in cooperation with the electric wire, so that the whole deicing device will not fall down. Each subsequent driving wheel unit 4 can bypass the obstacle according to the same principle. The deicing unit deices the electric wire, so that the deicing can be safely performed with the efficiency taken into account. The installation direction of the driving wheel unit 4 can be the same side or opposite, which can be flexibly selected according to the installation needs.

[0021] The guide wheel set includes at least two guide wheel units. Each side of the wheel set mounting part 2 is provided with at least one guide wheel unit. The guide wheel unit includes a guide bracket 10 and a guide wheel body 11. The guide bracket 10 is arranged on the wheel set mounting part 2. The guide wheel body 11 is freely rotatably arranged on the guide bracket 10.

[0022] In this embodiment, at least one guide wheel unit is arranged on each side of the wheel set mounting part 2. The guide wheel body 11 is arranged on the guide bracket 10. The guide wheel body 11 is designed as a groove wheel body, which is convenient for guiding on the electric wire.

[0023] The deicing unit is arranged in two groups and arranged on the two side walls of the deicing mounting part 3. The deicing unit includes a deicing motor 12, a rotating disc 13 and a deicing rod 14. The deicing motor 12 is arranged on the deicing mounting part 3. The rotating disc 13 is arranged on the output end of the deicing motor 12. The rotating disc 13 is provided with a plurality of mounting ends. The deicing rod 14 is detachably arranged on the mounting end of the rotating disc 13.

[0024] In the embodiment, the driving source of the deicing unit is a deicing motor 12, the deicing motor 12 is arranged on the side wall of the deicing mounting portion 3, the output end of the deicing motor 12 is a rotating disc 13, the rotating disc 13 has a plurality of mounting ends arranged in the circumference, the specific number can be designed flexibly according to the requirement, and the deicing rod 14 can be detachably mounted on the mounting end of the rotating disc 13, and the deicing rod 14 can be replaced.

[0025] The walking frame 1 further comprises a diagonal rib 15, one end of the diagonal rib 15 is connected with the wheel set mounting portion 2, and the other end of the diagonal rib 15 is connected with the deicing mounting portion 3.

[0026] In the embodiment, the diagonal rib 15 is arranged between the wheel set mounting portion 2 and the deicing mounting portion 3 to improve the overall strength.

[0027] The deicing unit further comprises a U-shaped connecting piece 16, the U-shaped connecting piece 16 is swingably arranged on the mounting end of the rotating disc 13, and the deicing rod 14 is arranged on the U-shaped connecting piece 16.

[0028] In the embodiment, the U-shaped connecting piece 16 is swingably arranged on the rotating disc 13, the deicing rod 14 is arranged on the U-shaped connecting piece 16, and the swing of the U-shaped connecting piece 16 can reduce the hard impact of the deicing rod 14 on the ice layer when the deicing rod 14 is rotated, so that the damage of the deicing rod 14 is reduced.

[0029] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for de-icing a catenary of a railway, characterized in that The deicing device comprises a walking frame (1), a walking wheel set and a deicing unit arranged on the walking frame (1), the walking frame comprises a wheel set mounting portion (2) and a deicing mounting portion (3), the deicing mounting portion (3) is a U-shaped structure, the wheel set mounting portion (2) is arranged on both sides of the top of the deicing mounting portion (3), the deicing unit is arranged in the deicing mounting portion (3), the walking wheel set comprises a driving wheel set and a guide wheel set, wherein the guide wheel set is located below the power line, the driving wheel set is located above the power line, the driving wheel set comprises at least four driving wheel units (4), each side of the wheel set mounting portion (2) is provided with at least two driving wheel units (4), the driving wheel unit (4) comprises a driving support (5), a hydraulic spring (6), a driving motor (7), a driving wheel body (8) and a guide cover (9), the driving support (5) is hingedly arranged on the wheel set mounting portion (2), one end of the hydraulic spring (6) is hingedly arranged on the wheel set mounting portion (2), the other end is hingedly arranged on the top of the driving support (5), the driving motor (7) is arranged on the driving support (5), the driving wheel body (8) is arranged on the output end of the driving motor (7), the guide cover (9) is arranged on the upper end of the driving support (5) and partially covers the driving wheel body (8), the outer surface of the guide cover (9) is an arc surface.

2. The railway catenary de-icing device according to claim 1, characterized in that The guide wheel set comprises at least two guide wheel units, each side of the wheel set mounting portion (2) is provided with at least one guide wheel unit, the guide wheel unit comprises a guide support (10) and a guide wheel body (11), the guide support (10) is arranged on the wheel set mounting portion (2), and the guide wheel body (11) is arranged on the guide support (10) in a free rotating manner.

3. The railway catenary de-icing device according to claim 1, characterized in that The deicing unit is arranged in two groups and arranged on the two side walls of the deicing mounting portion (3) respectively, the deicing unit comprises a deicing motor (12), a rotating disc (13) and a deicing rod (14), the deicing motor (12) is arranged on the deicing mounting portion (3), the rotating disc (13) is arranged on the output end of the deicing motor (12), the rotating disc (13) is provided with a plurality of mounting ends, and the deicing rod (14) is detachably arranged on the mounting end of the rotating disc (13).

4. The railway catenary de-icing device according to claim 1, characterized in that The walking frame (1) further comprises a diagonal rib (15), one end of the diagonal rib (15) is connected with the wheel set mounting portion (2), and the other end is connected with the deicing mounting portion (3).

5. The railway catenary de-icing device according to claim 3, characterized in that The deicing unit further comprises a U-shaped connecting piece (16), the U-shaped connecting piece (16) is arranged on the mounting end of the rotating disc (13) in an oscillating manner, and the deicing rod (14) is arranged on the U-shaped connecting piece (16).

Citation Information

Cited By

  • Obstacle-crossing line patrol ice breaking device and method for railway contact line

    CN121546495A