Bogie for light rail

By setting up movable cleaning components and auxiliary wheel structures on the light rail bogie, the problem of cleaning leaves and debris on the rails is solved, automatic cleaning and wear reduction are achieved, and the operation stability of the light rail is improved.

CN223355596UActive Publication Date: 2025-09-19CHINA RAILWAY HI TECH IND CORP LTD +1
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Patent Information

Application Number
CN202422568586.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-09-19
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The rails on light rail lines are easily accumulated with leaves or other debris, which affects the movement of the bogies and is difficult to clean effectively with existing technology.

Method used

A bogie for light rail is designed. A cleaning assembly for brushing the rails is provided at the front and/or rear end of the frame. The cleaning assembly includes a brush that can move back and forth along the rails. Auxiliary wheels are in contact with the rails to provide guidance and support. A hydraulic rod drives the auxiliary wheels to move. A rotating wheel is used for driving. The cleaning assembly is detachable to facilitate replacement of the brush.

Benefits of technology

Automatically clean leaves and debris from the rails while the train is moving, reducing wheel wear, keeping the vehicle running correctly on the track, and improving operational stability and cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bogie for a light rail, the light rail comprises a track and two rails arranged on the track, and the two rails are symmetrically arranged in parallel; comprising a framework, a cleaning assembly used for brushing a rail is arranged at the front end and / or the rear end of the framework, and the framework can move in the front-back direction along the rail. When a train with the bogie runs, the cleaning assembly can clean leaves or other sundries on the rail.
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Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a bogie for light rail. Background Art

[0002] Bogies are one of the most critical components of rail vehicles, responsible for carrying, braking, traction, and steering. With the rapid urbanization of my country, urban traffic congestion has become a major challenge facing many large and medium-sized cities. Light rail systems are becoming a major mode of transportation due to their advantages, such as small footprint, low cost, low energy consumption, and environmental friendliness. However, some light rail lines are located on open-air sections, which can easily lead to the accumulation of leaves and other debris on the rails, hindering the operation of the bogies.

[0003] Therefore, how to clean the railroad tracks becomes an urgent problem to be solved. Utility Model Content

[0004] The purpose of the utility model is to provide a bogie for light rail.

[0005] In order to achieve one of the purposes of the above-mentioned utility model, one embodiment of the utility model provides a bogie for a light rail, the light rail comprising: a track and two rails arranged on the track, the two rails being arranged parallel and symmetrically to each other; comprising: a frame, a cleaning assembly for brushing the rails being arranged at the front end and / or the rear end of the frame, and the frame being capable of moving forward and backward along the rails.

[0006] As a further improvement of one embodiment of the present invention, the cleaning assembly includes: a main body, the main body is provided with a groove with an opening facing downward, the groove penetrates the main body in the front-to-back direction, and brushes are provided on the bottom surface and two inner side surfaces of the groove.

[0007] As a further improvement of an embodiment of the present invention, the cleaning component and the frame are detachably connected.

[0008] As a further improvement of an embodiment of the present invention, auxiliary wheels are provided on both the left and right sides of the frame, the auxiliary wheels are used to fit with the outer side of the track, and the distance between the auxiliary wheels and the frame can be adjusted.

[0009] As a further improvement of an embodiment of the present invention, there are multiple auxiliary wheels on the left and right sides of the frame, and they are arranged along the front-to-back direction.

[0010] As a further improvement of one embodiment of the present invention, hydraulic rods are provided on both the left and right sides of the frame, the main body of the hydraulic rods is fixedly connected to the frame, the end of the output end of the hydraulic rod away from the frame is connected to a rotating shaft, and the auxiliary wheel is provided on the rotating shaft.

[0011] As a further improvement of one embodiment of the present invention, the body of the hydraulic rod is connected to the frame through a sleeve, one end of the sleeve is fixedly connected to the frame, the sleeve is provided with an opening away from the frame, the body of the hydraulic rod extends into the opening and is connected to the sleeve.

[0012] As a further improvement of one embodiment of the present invention, two groups of rotating wheels are provided in the frame, the two groups of rotating wheels are distributed along the front-to-back direction, each group of rotating wheels includes two rotating wheels distributed along the left-to-right direction, and the two rotating wheels are connected by a rotating shaft.

[0013] As a further improvement of an embodiment of the present invention, a friction disc for braking is provided on each rotating shaft.

[0014] As a further improvement of an embodiment of the present invention, it further includes: a driving device for driving the rotating shaft to rotate.

[0015] Compared to the prior art, the present invention provides the following technical advantages: The present invention provides a bogie for a light rail system, comprising a track and two parallel, symmetrically arranged rails disposed on the track; and a frame, with a cleaning assembly for brushing the rails disposed at the front and / or rear ends of the frame, the frame being capable of forward and backward movement along the rails. When a train equipped with the bogie is moving, the cleaning assembly can clean leaves or other debris from the rails. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a bogie in an embodiment of the present utility model;

[0017] Figure 2 It is a structural diagram of the cleaning component in an embodiment of the present utility model;

[0018] Figure 3 This is a schematic structural diagram of an embodiment of the present invention including auxiliary wheels and a hydraulic rod;

[0019] Figure 4 It is a structural schematic diagram including a rotating wheel and a rotating shaft in an embodiment of the present utility model. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the various embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional modifications made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0021] As used herein, terms indicating spatial relative positions such as "upper," "above," "lower," and "below" are used for ease of explanation to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. Terms of spatial relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the drawings. For example, if the device in the drawings were turned over, units described as being "below" or "beneath" other units or features would be "above" the other units or features. Thus, the exemplary term "below" may encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein interpreted accordingly.

[0022] Embodiment 1 of the present invention provides a bogie for a light rail, which includes: a track and two rails arranged on the track, the two rails being arranged parallel and symmetrical to each other; and includes: a frame 1, a cleaning assembly 7 for brushing the rails being arranged at the front end and / or the rear end of the frame 1, and the frame 1 being capable of moving forward and backward along the rails.

[0023] Here, the frame 1 is arranged at the bottom of the train, as shown in FIG. Figure 1 and Figure 4 As shown, two groups of rotating wheels 10 are provided in the frame 1. The two groups of rotating wheels 10 are distributed along the front-back direction. Each group of rotating wheels 10 includes two rotating wheels 10 distributed along the left-right direction and connected by a rotating shaft 9.

[0024] When in use, each rotating wheel 10 contacts a rail, and when the rotating wheel 10 rotates, it drives the bogie to move in the forward and backward directions. Figure 1 In, only be provided with cleaning assembly 7 at the front end, also can only be provided with cleaning assembly 7 at the rear end, also can all have cleaning assembly 7 at the front and rear end settings. When this train is advancing, this cleaning assembly 7 just can clean up leaves or other foreign matter on the rail.

[0025] In this embodiment, the cleaning component 7 includes: a main body 701, the main body 701 is provided with a groove 703 with an opening facing downward, the groove 703 penetrates the main body 701 in the front-to-back direction, and brushes 702 are provided on the bottom surface and two inner side surfaces of the groove 703.

[0026] Here, the groove 703 is used to accommodate the rails, and the brush 702 is used to clean leaves or other debris on the rails.

[0027] In this embodiment, the cleaning assembly 7 and the frame 1 are detachably connected.

[0028] Here, it is understandable that after a long period of use, the brush needs to be replaced.

[0029] Here, as Figure 1 and Figure 2 As shown, the upper end of the cleaning assembly 7 can be connected to a fixing rod 6, and the upper end of the fixing rod 6 is connected to a disassembly plate 502, which is provided with a plurality of holes 503. A connecting plate 4 extending in the left and right directions is provided at the front end and / or rear end of the frame 1. Then, a first bolt 501 is used to pass through these holes 503 and fixed to the connecting plate 4. Figure 1 As shown, the outer sides of the front end and / or rear end of the frame 1 are fixedly connected with fixed blocks 2, one side of the two groups of fixed blocks 2 are fixedly connected with positioning rods 3, and the sides of the two groups of positioning rods 3 are fixedly connected with connecting plates 4.

[0030] In this embodiment, auxiliary wheels 807 are provided on both the left and right sides of the frame 1 . The auxiliary wheels are used to fit with the outer side surfaces of the track, and the distance between the auxiliary wheels 807 and the frame 1 is adjustable.

[0031] Here, as Figure 3 As shown, the movement of block 805 drives the auxiliary wheel 807 to move, and the auxiliary wheel 807 is fitted to the outer side of the track through block 805. When the vehicle passes through a curve, the auxiliary wheel 807 can provide additional support and guidance on the side, which helps to reduce the lateral force of the wheel on the track, reduce wheel wear, and keep the vehicle running in the correct track position.

[0032] In this embodiment, there are multiple auxiliary wheels 807 on the left and right sides of the frame 1, and they are arranged along the front-to-back direction.

[0033] In this embodiment, hydraulic rods are provided on both the left and right sides of the frame 1. The main body of the hydraulic rod is fixedly connected to the frame 1. The end of the output end 804 of the hydraulic rod away from the frame 1 is connected to a rotating shaft 806, and the auxiliary wheel 807 is provided on the rotating shaft 806.

[0034] Here, the end of the hydraulic rod output end 804 away from the frame 1 is connected to a block 805, and the bottom of the block 805 is connected to a rotating shaft 806. The auxiliary wheel 807 is made of polyurethane and coated with a noise reduction coating to reduce noise during rotation.

[0035] In this embodiment, the body of the hydraulic rod is connected to the frame 1 via a sleeve 803, one end of the sleeve 803 is fixedly connected to the frame 1, and the sleeve 803 is provided with an opening away from the frame 1. The body of the hydraulic rod extends into the opening and is connected to the sleeve 803.

[0036] Here, the use of sleeve 803 can better fix the hydraulic rod on the frame 1, as shown in FIG. Figure 3 As shown, an auxiliary plate 802 is provided at the end of the sleeve 803 close to the frame 1 , and a through hole is provided on the auxiliary plate 802 , which is then connected to the frame 1 using a second bolt 801 passing through the through hole.

[0037] In this embodiment, two groups of rotating wheels 10 are provided in the frame 1 . The two groups of rotating wheels 10 are distributed along the front-to-back direction. Each group of rotating wheels 10 includes two rotating wheels 10 distributed along the left-to-right direction, and the two rotating wheels 10 are connected by a rotating shaft 9 .

[0038] In this embodiment, a friction disc 11 for braking is provided on each rotating shaft 9 .

[0039] In this embodiment, it further includes: a driving device for driving the rotating shaft 9 to rotate.

[0040] When in use, the brush 702 is placed on the track. When the bogie moves, the brush 702 cleans leaves or debris on the track surface to prevent them from affecting the vehicle's travel. At the same time, after the brush 702 has been used for a period of time, the first bolt 501 is tightened to remove the disassembly plate 502 from the connecting plate 4, and the brush 702 can be replaced to avoid the brush 702 being damaged due to long-term use, resulting in unclean track cleaning.

[0041] When in use, the sleeve 803 is fixed to the frame 1 by the second bolt 801, and the hydraulic rod is started. The output end 804 of the hydraulic rod drives the auxiliary wheel 807 to move, and the auxiliary wheel 807 is fitted with the outer side of the track through the block 805. When the vehicle passes through a curve, the auxiliary wheel 807 can provide additional support and guidance on the side, which helps to reduce the lateral force of the wheel on the track, reduce wheel wear, and keep the vehicle running in the correct track position.

[0042] It should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation method can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0043] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bogie for a light rail, the light rail comprising: A track and two rails arranged on the track, wherein the two rails are arranged parallel and symmetrically to each other; characterized by comprising: A frame (1), wherein a cleaning assembly (7) for brushing rails is provided at the front end and / or the rear end of the frame (1), and the frame (1) is capable of moving in a forward and backward direction along the rails; The cleaning assembly (7) comprises a main body (701), the main body (701) being provided with a groove (703) with an opening facing downward, the groove (703) penetrating the main body (701) in the front-to-back direction, and brushes (702) being provided on the bottom surface and two inner side surfaces of the groove (703).

2. The bogie according to claim 1, characterized in that The cleaning component (7) and the frame (1) are detachably connected.

3. The bogie according to claim 1, characterized in that: Auxiliary wheels (807) are provided on both the left and right sides of the frame (1), and the auxiliary wheels are used to fit with the outer side surfaces of the track. The distance between the auxiliary wheels (807) and the frame (1) can be adjusted.

4. The bogie according to claim 3, characterized in that: On the left and right sides of the frame (1), there are multiple auxiliary wheels (807) arranged along the front-to-back direction.

5. The bogie according to claim 3, characterized in that: A hydraulic rod is provided on both the left and right sides of the frame (1), the main body of the hydraulic rod is fixedly connected to the frame (1), the end of the output end (804) of the hydraulic rod away from the frame (1) is connected to a rotating shaft (806), and the auxiliary wheel (807) is provided on the rotating shaft (806).

6. The bogie according to claim 5, characterized in that: The body of the hydraulic rod is connected to the frame (1) via a sleeve (803), one end of the sleeve (803) is fixedly connected to the frame (1), the sleeve (803) is provided with an opening away from the frame (1), the body of the hydraulic rod extends into the opening and is connected to the sleeve (803).

7. The bogie according to claim 1, characterized in that: Two groups of rotating wheels (10) are provided in the frame (1), the two groups of rotating wheels (10) are distributed along the front-back direction, each group of rotating wheels (10) includes two rotating wheels (10) distributed along the left-right direction, and the two rotating wheels (10) are connected via a rotating shaft (9).

8. The bogie according to claim 7, characterized in that: A friction disc (11) for braking is provided on each rotating shaft (9).

9. The bogie according to claim 7, characterized in that Also includes: A driving device for driving the rotating shaft (9) to rotate.