Deicing device for electrified railway power supply contact net

By introducing a sliding seat and calibration frame structure into the de-icing device for the power supply contact network of electrified railways, and combining it with the design of the ice-breaking components of the drive shaft and eccentric wheel, the problem of low ice-breaking efficiency of the existing device during the movement of the maintenance vehicle has been solved, and a highly efficient ice and snow removal effect has been achieved.

CN223912221UActive Publication Date: 2026-02-13CHINA RAILWAY ELECTRIFICATION BUREAU GROUP CO LTD ELECTRIFICATION CO HONG KONG & MACAU BRANCH
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Patent Information

Application Number
CN202423109330.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-02-13
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing de-icing device for the power supply contact network of electrified railways lacks a calibration structure during the movement of maintenance vehicles, which prevents the de-icing components from moving with the contact network, resulting in reduced de-icing efficiency.

Method used

An ice removal device was designed, comprising a base, a sliding seat, a support frame, and a calibration frame. The sliding seat is slidably connected to the base, and the calibration frame is slidably connected along the axis of the contact network. The ice-breaking component is located behind the calibration frame. The device achieves intermittent knocking and brush roller cleaning through a combination structure of a drive shaft, an eccentric wheel, and an ice-breaking rod, ensuring that the ice-breaking component is always in contact with the contact network.

Benefits of technology

It improves ice-breaking efficiency and ensures that the ice-breaking components can still effectively act on the overhead contact line even when the maintenance vehicle deviates, thus improving the de-icing effect.

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Abstract

The utility model relates to the technical field of railway facilities, and discloses an electrified railway power supply contact net deicing device which comprises a base. The sliding seat is connected above the base in a sliding mode in the radial direction of the contact network, a supporting frame is installed above the sliding seat, a calibration frame and an icebreaking assembly are installed on the supporting frame, the calibration frame is connected with the contact network in a sliding mode in the axial direction of the contact network, and the icebreaking assembly is located behind the calibration frame and used for breaking ice and snow on the contact network. During use, the base is installed on a maintenance car, or the supporting assembly is installed on the maintenance car to be connected with the base, so that the calibration frame can be in sliding connection with the contact net in the axis direction of the contact net, and the deicing assembly is located behind the calibration frame and used for breaking ice and snow on the contact net. When the maintenance car deviates, the calibration frame can drive the supporting frame and the sliding seat to slide on the base, so that the deicing assembly can act on the contact net all the time, and then the icebreaking efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway facilities technical field especially relates to a kind of electrification railway power supply catenary deicing device. BACKGROUND

[0002] Electrification railway power supply catenary deicing device is a kind of device for removing ice and snow on electrification railway catenary, mainly through heating or vibration to melt or remove the ice and snow on catenary, to ensure the safe operation of railway in cold weather conditions.

[0003] Patent with the announcement number CN221995096U discloses a kind of railway catenary mechanical ice breaking device, the utility model is lifted to suitable operating height position by the setting of support assembly, since railway catenary is arranged in the shape of "Z", the position of catenary relative to railway locomotive is changeable, the distance between two ice breaking components and catenary is not equal and real-time change in the process of moving with maintenance vehicle. By the setting of two ice breaking components, at least one ice breaking rod of ice breaking component can be contacted with catenary in the process of moving of maintenance vehicle, and then it is ensured that ice breaking device can break ice on catenary in the process of moving of maintenance vehicle. Even if the shape and position of catenary change, ice breaking rod can be contacted with catenary, and then ice breaking effect is guaranteed.

[0004] However, the above scheme has the following defects: in the process of use, with the moving process of maintenance vehicle, since the device is not provided with calibration structure, the device cannot move with the offset of catenary, catenary can be offset to one of two ice breaking components, so that only one ice breaking component works, thereby reducing ice breaking efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of electrification railway power supply catenary deicing device to overcome the above-mentioned situation deficiency.

[0006] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A kind of electrification railway power supply catenary deicing device, comprising:

[0008] Base;And

[0009] Sliding seat is slidably connected above the base along the radial direction of catenary, support frame is installed above the sliding seat, calibration frame and ice breaking component are installed on the support frame, the calibration frame is slidably connected along the catenary axis direction, the ice breaking component is located behind the calibration frame, and is used to break the ice and snow on catenary.

[0010] Further, the calibration frame is V-shaped in section, the opening faces upward, and is used to be in sliding connection with the lower surface of the contact net.

[0011] Further, the calibration frame is inclined from front to back to an oblique upward direction, both ends of the calibration frame are fixedly connected with the support frame, and a connecting block is fixedly connected to the bottom of the middle part of the calibration frame and fixedly connected to the support frame.

[0012] Further, the ice breaking assembly comprises:

[0013] A drive shaft is rotationally connected to the support frame, and an eccentric wheel is keyed connected to the drive shaft;

[0014] A connecting sleeve is sleeved on the circumferential side of the eccentric wheel and rotationally connected with the eccentric wheel, an ice breaking rod is installed on the connecting sleeve, the ice breaking rod is located in the radial direction of the eccentric wheel, a sliding ring is arranged on one side of the connecting sleeve, and a strip-shaped hole is arranged in the sliding ring;

[0015] A sliding rod is slidingly connected to one end of the strip-shaped hole, and the other end of the sliding rod is slidingly connected with the support frame in the length direction of the ice breaking rod; and

[0016] A first power member is installed on the support frame and used to drive the rotation of the drive shaft, the first power member drives the rotation of the drive shaft, and the ice breaking rod can be intermittently knocked against the contact net.

[0017] Further, the connecting sleeve is provided with a blind hole, one end of the ice breaking rod is slidingly connected in the blind hole, an elastic member is arranged in the blind hole, the elastic member is used to drive one end of the ice breaking rod to move away from the blind hole, the other end of the ice breaking rod is fixedly connected with an ice breaking plate, and the projection area of the ice breaking plate is greater than the projection area of the ice breaking rod in the length direction of the ice breaking rod.

[0018] Further, the drive shaft, the eccentric wheel, the connecting sleeve, the ice breaking rod and the sliding rod are provided with two and are one-to-one correspondingly arranged, the two ice breaking rods are arranged in a staggered manner in the contact net axis direction, the drive shaft is spline-connected with a sprocket, the two sprockets are transmissionally connected through a chain, the first power member is a first driving motor, and the first driving motor is transmissionally connected with one of the drive shafts.

[0019] Further, the ice breaking assembly further comprises:

[0020] Two brush rollers are rotationally connected to the support frame, the brush rollers are located behind the ice breaking rods, and are used to clean the ice and snow on the contact net; and

[0021] A second power element is installed on the support frame and used to drive the two brush rollers to rotate.

[0022] Further, the central shafts of the two brush rollers pass through the support frame and are correspondingly connected with two gears, the two gears are engaged, the second power element is a second driving motor, and the second driving motor is in transmission connection with the central shaft of one brush roller.

[0023] Further, a plurality of connecting holes are installed on the support frame, a plurality of threaded rods are fixedly connected to the upper surface of the sliding seat in the vertical direction, each threaded rod passes through the connecting hole and is screw-connected with two nuts, and the two nuts are located on the upper and lower sides of the connecting hole, respectively.

[0024] Further, the upper surface of the base is provided with a sliding rail in the radial direction of the contact net, and the lower surface of the sliding seat is installed with a sliding block in sliding connection with the sliding rail.

[0025] Compared with the prior art, the utility model has at least the following advantages:

[0026] In use, the base is installed on the inspection vehicle, or the support assembly is installed on the inspection vehicle to connect the base, so that the calibration frame can be in sliding connection with the contact net in the axial direction of the contact net, and the deicing assembly is located at the rear of the calibration frame and is used for breaking ice and snow on the contact net. When the inspection vehicle deviates, the calibration frame can drive the support frame and the sliding seat to slide on the base, so that the deicing assembly can always act on the contact net, thereby improving the ice breaking efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0028] Figure 1 It is a whole structure schematic view of the utility model electrical railway power supply contact net deicing device;

[0029] Figure 2 It is another view whole structure schematic view of the utility model electrical railway power supply contact net deicing device;

[0030] Figure 3 It is the assembly schematic view of the support frame and the deicing assembly.

[0031] Mark No. : 1, base; 2, slide rail; 3, sliding seat; 4, sliding block; 5, support frame; 6, calibration frame; 7, catenary; 8, connecting block; 9, drive shaft; 10, eccentric wheel; 11, connecting sleeve; 12, blind hole; 13, elastic piece; 14, ice breaking rod; 15, ice breaking plate; 16, sliding ring; 17, sliding rod; 18, positioning ring; 19, sprocket; 20, chain; 21, first drive motor; 22, brush roller; 23, gear; 24, second drive motor; 25, threaded rod; 26, nut. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.

[0033] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0034] Reference Figures 1-2 The utility model provides a kind of electrified railway power supply catenary deicing device, including base 1, sliding seat 3, support frame 5, calibration frame 6 and deicing component. Among them, base 1 is provided along horizontal direction, and stable support is provided for the whole device;Sliding seat 3 is slidably connected above base 1 along the radial direction of catenary 7, and support frame 5 is installed above sliding seat 3, calibration frame 6 and deicing component are installed on the support frame 5, calibration frame 6 is slidably connected along the axis direction of catenary 7, and deicing component is located behind calibration frame 6, and its role is to break ice and snow on catenary 7.

[0035] The upper surface of base 1 is provided with slide rail 2, and slide rail 2 is located in the radial direction of catenary 7.The lower surface of sliding seat 3 is provided with sliding block 4, and sliding block 4 is slidably connected with slide rail 2.This kind of sliding connection structure makes that sliding seat 3 can move smoothly on base 1, and the position of device is adjusted conveniently.

[0036] When using, base 1 is installed on the maintenance vehicle, or support component is installed on the maintenance vehicle to connect base 1, so that calibration frame 6 can be slidably connected along the axis direction of catenary 7, and deicing component is located behind calibration frame 6, and is used to break ice and snow on catenary 7.When the maintenance vehicle deviates, calibration frame 6 can drive support frame 5 and sliding seat 3 to slide on base 1, so that deicing component can always act on catenary 7, and then the ice breaking efficiency is improved.

[0037] Preferably, the calibration frame 6 is V-shaped in cross section, with the opening facing upwards, for sliding connection with the lower surface of the overhead contact line 7. This design can better fit the overhead contact line 7, ensuring the stability of the device during operation.

[0038] Specifically, the calibration frame 6 is inclined towards the obliquely upward direction from front to back, both ends of the calibration frame 6 are fixedly connected with the support frame 5, and the middle bottom of the calibration frame 6 is fixedly connected with the connecting block 8, and the connecting block 8 is fixedly connected on the support frame 5. This design is conducive to the sliding of the calibration frame 6 along the axis direction of the overhead contact line 7, and the overhead contact line 7 is more easily slid into the calibration frame 6, so as to calibrate the position of the sliding seat 3.

[0039] In combination with reference Figure 3 The deicing assembly comprises a driving shaft 9, an eccentric wheel 10, a connecting sleeve 11, an ice breaking rod 14, a sliding rod 17 and a first power member. The driving shaft 9 is rotationally connected on the support frame 5, and the eccentric wheel 10 is keyed on the driving shaft 9. The connecting sleeve 11 is sleeved on the circumferential side of the eccentric wheel 10 and rotationally connected with the eccentric wheel 10, and the ice breaking rod 14 is installed on the connecting sleeve 11 and located in the radial direction of the eccentric wheel 10. The connecting sleeve 11 is provided with a sliding ring 16 on one side, and the sliding ring 16 is provided with a strip-shaped hole. One end of the sliding rod 17 is perpendicularly and slidably connected in the strip-shaped hole, and the other end of the sliding rod 17 is fixedly connected with two positioning rings 18 which are respectively located on both sides of the strip-shaped hole. The other end of the sliding rod 17 is slidably connected with the support frame 5, and the sliding rod 17 is arranged in parallel with the ice breaking rod 14. Preferably, the sliding rod 17 perpendicularly intersects with the strip-shaped hole, and the strip-shaped hole can move along one end of the sliding rod 17. The first power member is installed on the support frame 5 and used to drive the driving shaft 9 to rotate. The first power member drives the driving shaft 9 to rotate, so as to realize the intermittent knocking of the ice breaking rod 14 on the overhead contact line 7.

[0040] Specifically, the first power member drives the driving shaft 9 to rotate, and in turn drives the eccentric wheel 10 to rotate, further drives the connecting sleeve 11 to slide along the length direction of the sliding rod 17, and drives the ice breaking rod 14 to periodically approach and move away from the overhead contact line 7.

[0041] Optionally, the connecting sleeve 11 is provided with a blind hole 12, one end of the ice breaking rod 14 is slidably connected in the blind hole 12, and the blind hole 12 is provided with an elastic member 13. The elastic member 13 is used to push one end of the ice breaking rod 14 to move away from the blind hole 12. In one specific embodiment of the present application, the elastic member 13 is a compression spring, and both ends of the compression spring are respectively connected with the end wall of the blind hole 12 and one end of the ice breaking rod 14. The other end of the ice breaking rod 14 is fixedly connected with an ice breaking plate 15, and the projection area of the ice breaking plate 15 is greater than the projection area of the ice breaking rod 14 in the length direction of the ice breaking rod 14. In this way, the contact area of ice breaking can be increased, and the ice breaking efficiency can be improved.

[0042] Specifically, the drive shaft 9, the eccentric wheel 10, the connecting sleeve 11, the ice breaking rod 14 and the sliding rod 17 are provided with two, and are one-to-one correspondence, two ice breaking rods 14 are staggered along the contact net 7 axis direction, the drive shaft 9 is spline connected with a chain wheel 19, two chain wheels 19 are transmission connected through a chain 20, the first power element is a first drive motor 21, and the first drive motor 21 is transmission connected with one of the drive shafts 9 through a transmission mechanism.

[0043] Referring again to Figure 1 The ice breaking assembly further comprises two brush rollers 22 rotationally connected to the support frame 5, the brush rollers 22 are located behind the ice breaking rods 14, and are used for cleaning ice and snow on the contact net 7. The second power element is used for driving the two brush rollers 22 to rotate.

[0044] Preferably, the central shafts of the two brush rollers 22 penetrate the support frame 5 and are one-to-one correspondence spline connected with two gears 23, the two gears 23 are engaged, the second power element is a second drive motor 24, and the second drive motor 24 is transmission connected with the central shaft of one of the brush rollers 22.

[0045] It should be explained that the first drive motor 21 and the second drive motor 24 are all provided with power through an external power supply, for example, can be connected with a power supply in a maintenance vehicle, for example, a battery, etc., and the first drive motor 21 and the second drive motor 24 are controlled to open and close through an air switch and the like control unit, which belongs to the prior art, and will not be described here.

[0046] The support frame 5 is provided with a plurality of connecting holes, and the upper surface of the sliding seat 3 is fixedly connected with a plurality of threaded rods 25 in the vertical direction. Each threaded rod 25 penetrates the connecting hole and is threadedly connected with two nuts 26, and the two nuts 26 are located on the upper and lower sides of the connecting hole respectively. This connection mode can conveniently adjust the height of the support frame 5 to adapt to different working requirements.

[0047] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0048] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope determined by the claims of the utility model.

Claims

1. An electrified railway power supply catenary de-icing device, characterized by, The utility model relates to a kind of contact net ice breaking device, including: Base (1); And Sliding seat (3) is connected above the base (1) along the radial direction of contact net (7), support frame (5) is installed above the sliding seat (3), calibration frame (6) and ice breaking assembly are installed on the support frame (5), the calibration frame (6) is slidably connected with contact net (7) along the axial direction, and the ice breaking assembly is located behind the calibration frame (6) and is used to break ice and snow on contact net (7). The calibration frame (6) is V-shaped in cross section, the opening is upward, and is used to be slidably connected with the lower surface of the contact net (7).

2. The electrified railway power supply catenary de-icing device according to claim 1, characterized in that, The calibration frame (6) is inclined to the oblique upward direction along the front-to-back direction, both ends of the calibration frame (6) are fixedly connected with the support frame (5), and the middle bottom of the calibration frame (6) is fixedly connected with the connecting block (8), and the connecting block (8) is fixedly connected on the support frame (5).

3. The electrified railway power supply catenary de-icing device according to claim 2, characterized in that, The ice breaking assembly includes:

4. The electrified railway power supply catenary de-icing device according to claim 1, characterized in that, Driving shaft (9) is rotatably connected on the support frame (5), eccentric wheel (10) is keyed on the driving shaft (9); Connecting sleeve (11) is sleeved on the circumferential side of the eccentric wheel (10), and is rotatably connected with the eccentric wheel (10), ice breaking rod (14) is installed on the connecting sleeve (11), the ice breaking rod (14) is located in the radial direction of the eccentric wheel (10), one side of the connecting sleeve (11) is provided with sliding ring (16), and strip-shaped hole is arranged in the sliding ring (16); Sliding rod (17) is slidably connected in the strip-shaped hole, and the other end of the sliding rod (17) is slidably connected with the support frame (5) along the length direction of the ice breaking rod (14);And First power member is installed on the support frame (5) and is used to drive the driving shaft (9) to rotate, the first power member drives the driving shaft (9) to rotate, and the ice breaking rod (14) can be intermittently knocked on the contact net (7). The connecting sleeve (11) is provided with blind hole (12), one end of the ice breaking rod (14) is slidably connected in the blind hole (12), elastic member (13) is arranged in the blind hole (12), the elastic member (13) is used to drive one end of the ice breaking rod (14) to move away from the blind hole (12), the other end of the ice breaking rod (14) is fixedly connected with ice breaking plate (15), and the projection area of the ice breaking plate (15) is greater than the projection area of the ice breaking rod (14) along the length direction of the ice breaking rod (14).

5. The electrified railway power supply catenary de-icing device according to claim 4, characterized in that, The driving shaft (9), eccentric wheel (10), connecting sleeve (11), ice breaking rod (14), sliding rod (17) are provided with two, and are one-to-one correspondence, the two ice breaking rods (14) are staggered along the axial direction of contact net (7), the driving shaft (9) is spline-connected with sprocket (19), the two sprockets (19) are transmissionally connected through chain (20), and the first power member is first driving motor (21), and the first driving motor (21) is transmissionally connected with one of the driving shaft (9).

6. The electrified railway power supply catenary de-icing device according to claim 5, characterized in that, The ice breaking assembly further includes:

7. The electrified railway power supply catenary de-icing device according to claim 5, characterized in that, ​ Two brush rollers (22) are rotatably connected to the support frame (5) and are located behind the ice-breaking rod (14) for cleaning ice and snow on the overhead contact line (7); and A second power source is installed on the support frame (5) and is used to drive the two brush rollers (22) to rotate.

8. The electrified railway power supply catenary de-icing device according to claim 7, characterized in that, The central shafts of the two brush rollers (22) pass through the support frame (5) and are respectively and correspondingly connected with two gears (23), the two gears (23) are engaged, the second power source is a second driving motor (24), and the second driving motor (24) is in transmission connection with the central shaft of one of the brush rollers (22).

9. The electrified railway power supply catenary de-icing device according to claim 8, characterized in that, A plurality of connecting holes are installed on the support frame (5), the upper surface of the sliding seat (3) is fixedly connected with a plurality of threaded rods (25) in the vertical direction, each threaded rod (25) passes through the connecting hole and is threadedly connected with two nuts (26), and the two nuts (26) are respectively located on the upper and lower sides of the connecting hole.

10. The electrified railway power supply catenary de-icing device according to claim 1, characterized in that, The upper surface of the base (1) is provided with a sliding rail (2), the sliding rail (2) is located in the radial direction of the overhead contact line (7), the lower surface of the sliding seat (3) is installed with a sliding block (4), and the sliding block (4) is in sliding connection with the sliding rail (2).

Citation Information

Patent Citations

  • Mechanical icebreaking device for railway contact net

    CN221995096U