Portable electric trolley for track maintenance vehicle bottom maintenance
Patent Information
- Application Number
- CN202521872187.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-09-01
AI Technical Summary
[0003]本实用新型针对上述的检修作业不方便进行的问题,提供了一种辅助维修人员进行检修作业的轨道作业车车底检修用便携式电动滑车
本实用新型可带动平躺的维修人员在轨道作业车车底沿轨道移动,解决了维修人员不便于在轨道作业车车底移动的问题,并且本实用新型可灵活移动,方便进行配备使用,利于方便灵活地展开检修作业。
Smart Images

Figure CN224659435U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of undercarriage maintenance of rail work vehicles, and relates to a portable electric trolley for undercarriage maintenance of rail work vehicles. Background Technology
[0002] To ensure the safe operation of rail maintenance vehicles, maintenance personnel need to inspect the undercarriage of the vehicles periodically. The main inspection items include checking the braking and release functions of the braking system. Due to the long body, numerous wheel hubs, and limited undercarriage space of the rail maintenance vehicles, when the vehicles are parked on the tracks, maintenance personnel can only access the undercarriage from the side, making the entire maintenance operation difficult and time-consuming. To facilitate maintenance, some large stations and factories have constructed train maintenance pits to increase undercarriage space for personnel access; however, these pits are fixed in location and limited in number, making their use inflexible. Therefore, to solve the maintenance problems of rail maintenance vehicles, a tool is needed to assist maintenance personnel in their work. Summary of the Invention
[0003] This utility model addresses the problem of inconvenient maintenance operations mentioned above by providing a portable electric trolley for inspecting the undercarriage of a rail maintenance vehicle to assist maintenance personnel in carrying out maintenance work.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a portable electric trolley for undercarriage maintenance of a rail work vehicle, comprising a main support frame, a power compartment connected to one end of the main support frame, a battery installed in the power compartment, sliding seats connected to both sides above the power compartment, a support arm slidably connected to the lower part of the sliding seat, the support arm being L-shaped, a drive wheel rotatably connected to the end of the support arm away from the power compartment, a reducer connected to the drive wheel, a drive motor connected to the reducer, and a bolt-fixed connection between the end of the support arm near the power compartment and the upper part of the sliding seat. Locking mechanisms are connected to both sides of the main support frame, the locking mechanism comprising a base, a support leg rotatably connected to the base, and a caster rotatably connected to the end of the support leg away from the main support frame.
[0005] Preferably, the casters are configured to be tilted.
[0006] Preferably, the height of the end of the support leg near the main support frame is lower than the height of the end of the support leg near the caster.
[0007] Preferably, the main support frame is recessed downwards in the middle.
[0008] Preferably, a baffle is connected above the base. The baffle is located on the side of the support leg and is perpendicular to the track. A buckle is rotatably connected to the side of the baffle away from the support leg. The buckle has an L-shaped cross-section. A protrusion is provided on the side of the support leg away from the baffle. The end of the buckle is used to insert between the protrusion and the main support frame.
[0009] Preferably, the main support frame is connected to positioning seats on both sides, the positioning seats are provided with grooves corresponding to the protrusions, and the positioning seats are threaded with top screws for pressing the protrusions.
[0010] Preferably, the support arm is also equipped with a brake for braking.
[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows: This utility model can move maintenance personnel lying flat along the track under the rail work vehicle, solving the problem that it is inconvenient for maintenance personnel to move under the rail work vehicle. In addition, this utility model can be moved flexibly, is easy to equip and use, and facilitates convenient and flexible maintenance operations.
[0012] This utility model is driven by a drive motor and equipped with a brake to prevent slippage on a sloping track. Attached Figure Description
[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model installed on the track; Figure 3 for Figure 2 Enlarged view of the structure at point A in the image.
[0015] In the above figures, 1. Main support frame; 2. Power compartment; 3. Battery; 4. Slide; 5. Support arm; 6. Drive wheel; 7. Reducer; 8. Drive motor; 9. Locking mechanism; 10. Support leg; 11. Caster; 12. Rail; 13. Sleeper; 14. Fixed seat; 15. Base; 16. Baffle; 17. Protrusion; 18. Buckle plate; 19. Positioning seat; 20. Set screw; 21. Brake. Detailed Implementation
[0016] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0018] like Figure 1 , Figure 2 , Figure 3 As shown, a portable electric trolley for undercarriage maintenance of a rail work vehicle includes a main support frame 1. One end of the main support frame 1 is connected to a power compartment 2, which contains a battery 3. Slide seats 4 are connected to the upper sides of the power compartment 2. A support arm 5 is slidably connected to the lower part of the slide seat 4. The support arm 5 is L-shaped. A drive wheel 6 is rotatably connected to the end of the support arm 5 away from the power compartment 2. A reducer 7 is connected to the drive wheel 6. A drive motor 8 is connected to the reducer 7. The end of the support arm 5 near the power compartment 2 is fixed to the upper part of the slide seat 4 by bolts. Tightening the bolts presses the drive wheel 6 tightly against the side of the rail 12. Locking mechanisms 9 are connected to both sides of the main support frame 1. The locking mechanism 9 includes a base 15. A support leg 10 is rotatably connected to the base 15. A caster 11 is rotatably connected to the end of the support leg 10 away from the main support frame 1. The support leg 10 and the caster 11 support the main support frame 1, and the caster 11 is used to rest on the bottom surface of the rail 12. In addition, this utility model is equipped with a signal receiving module for receiving signals emitted by a remote control, which is used to control the movement and braking of this utility model.
[0019] The method of using this utility model is as follows: When not in use, rotate the support leg 10 so that the caster 11 rotates to the side of the main support frame 1, and remove the bolts to allow the support arm 5 to slide freely. When using this utility model, place it between the two tracks, rotate the support leg 10 so that the caster 11 moves away from the main support frame 1 and into the space on the side of the track, then push the support arm 5 to slide so that the drive wheel 6 engages with the side of the track, tighten the bolts so that the drive wheel 6 presses firmly against the side of the track, and then the maintenance personnel lie flat on the main support frame 1, and this utility model moves the maintenance personnel along the track under the vehicle.
[0020] Furthermore, the caster 11 is designed to be inclined, which facilitates connection with the support arm 5 and avoids friction between the side of the caster 11 and the track.
[0021] Furthermore, the height of the end of the support leg 10 near the main support frame 1 is lower than the height of the end of the support leg 10 near the caster 11, so as to conform to the shape of the sleeper 13 which is high on both sides and low in the middle. The support leg 10 is connected to the top of the caster 11 to avoid hitting the fixed seat 14, which is used to fix the rail to the sleeper 13.
[0022] Furthermore, the main support frame 1 is recessed in the middle, which also conforms to the shape of the sleeper 13, which is high on both sides and low in the middle.
[0023] Furthermore, a baffle 16 is connected above the base 15. The baffle 16 is located on the side of the support leg 10 and is perpendicular to the extension direction of the track. A buckle 18 is rotatably connected to the side of the baffle 16 away from the support leg 10. The buckle 18 has an L-shaped cross-section. A protrusion 17 is provided on the side of the support leg 10 away from the baffle 16. The end of the buckle 18 is used to insert between the protrusion 17 and the main support frame 1. When the buckle 18 is opened, the support leg 10 can rotate. After rotating until the caster 11 enters the side of the track, the buckle 18 is snapped down. The end of the buckle 18 is inserted between the protrusion 17 and the main support frame 1. The baffle 16 and the buckle 18 prevent the support leg 10 from rotating, thus positioning the support leg 10.
[0024] Furthermore, positioning seats 19 are connected to both sides of the main support frame 1. The positioning seats 19 are provided with grooves corresponding to the protrusions 17. The positioning seats 19 are threaded with a set screw 20 for pressing the protrusions 17. When the buckle plate 18 is opened and the support leg 10 is rotated to be parallel to the track, the protrusions 17 enter the grooves. Then, the set screw 20 is screwed to press the protrusions 17 and position the support leg 10.
[0025] Furthermore, a brake 21 for braking is also installed on the support arm 5. The brake 21 is existing technology and will not be described in detail here.
[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A portable electric trolley for undercarriage maintenance of a railcar, characterized in that, The system includes a main support frame, one end of which is connected to a power compartment containing a battery. Slides are connected to both sides of the upper part of the power compartment, and support arms are slidably connected to the lower part of the slides. The support arms are L-shaped, with a drive wheel rotatably connected to the end of the support arm furthest from the power compartment. A speed reducer is connected to the drive wheel, and a drive motor is connected to the speed reducer. The end of the support arm closest to the power compartment is fixed to the upper part of the slides by bolts. Locking mechanisms are connected to both sides of the main support frame. Each locking mechanism includes a base, with support legs rotatably connected to the base. Casters are rotatably connected to the end of each support leg furthest from the main support frame.
2. The portable electric trolley for undercarriage maintenance of a railcar according to claim 1, characterized in that, The casters are set to tilt.
3. The portable electric trolley for undercarriage maintenance of a railcar according to claim 1, characterized in that, The height of the end of the support leg near the main support frame is lower than the height of the end of the support leg near the caster.
4. The portable electric trolley for undercarriage maintenance of a railcar according to claim 1, characterized in that, The main support frame is recessed downwards in the middle.
5. The portable electric trolley for undercarriage maintenance of a railcar according to claim 1, characterized in that, A baffle is connected above the base. The baffle is located on the side of the support leg and is set perpendicular to the track. A buckle is rotatably connected to the side of the baffle away from the support leg. The buckle has an L-shaped cross section. A protrusion is provided on the side of the support leg away from the baffle. The end of the buckle is used to insert between the protrusion and the main support frame.
6. The portable electric trolley for undercarriage maintenance of a railcar according to claim 5, characterized in that, The main support frame is connected to positioning seats on both sides. The positioning seats are provided with grooves corresponding to the protrusions. The positioning seats are threaded with top screws for pressing the protrusions.
7. The portable electric trolley for undercarriage maintenance of a railcar according to claim 1, characterized in that, The support arm is also equipped with a brake for braking.