Rail transit roof operation protection device
By designing a protective device for working on the roof of rail transit vehicles, and using components such as buckles, movable plates and suction cups to achieve flexible fixation of the roof, the problem of insufficient roof maintenance resources has been solved, and the resource utilization rate and operational safety of the maintenance depot have been improved.
Patent Information
- Application Number
- CN202423117546.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing rail transit vehicle maintenance depot resources are strained, and rooftop maintenance operations are prohibited due to insufficient protective measures, making it impossible to effectively utilize maintenance resources.
A protective device for working on the roof of a rail transit vehicle was designed, including a top cover, a support plate, fixed railings, and a fixing and adjusting device. Through components such as buckles, movable plates, adjusting railings, and suction cups, the device can flexibly fix and protect the roof of the vehicle.
It improved the utilization efficiency of maintenance depot resources, enhanced the safety of rooftop operations, provided reliable protective measures, and solved the problem of insufficient resources for rooftop maintenance.
Smart Images

Figure CN223508272U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of vehicle manufacturing, repair and maintenance technology, and in particular relates to a protective device for working on the roof of a rail transit vehicle. Background Technology
[0002] Rail transit vehicle roof work refers to a series of tasks including maintenance, inspection, and cleaning of the roof of rail transit vehicles such as subways and light rails to ensure the normal operation of roof equipment such as pantographs, cables, and air conditioning systems, as well as the vehicle's safety performance. This work is usually carried out by professionals under specific safety measures and work instructions.
[0003] Because some subway vehicle maintenance depots have been under construction for a long time, the track resources considered in the early stages of construction did not keep pace with the development speed of the rail transit industry. This has resulted in an extreme shortage of track resources required for daily vehicle maintenance. Since some tracks can only handle limited maintenance work, they can only handle maintenance work inside and under the car. Roof maintenance work is prohibited because the roof only has a single-sided guardrail and the protection measures are inadequate. Therefore, roof work has become a major problem.
[0004] Based on this, this utility model designs a protective device for working on the roof of a rail transit vehicle to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to solve the problem of the extremely tight resources required for daily vehicle maintenance tracks. Due to the limited maintenance capacity of some tracks, which can only undertake maintenance work inside and under the car, maintenance work on the car roof is prohibited because the car roof only has a single-sided guardrail and the protection measures are inadequate. Therefore, a protective device for roof operation of rail transit vehicles is proposed.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A protective device for working on the roof of a rail transit vehicle includes a roof cover, a support plate connected to the front of the roof cover, two fixed railings connected to the support plate, two fixed adjustment devices for adapting to different roof covers being fixedly mounted on the outside of the railings, and an adaptation device for adsorbing the curved roof cover being connected to the outside of the fixed adjustment device.
[0008] As a further description of the above technical solution:
[0009] The fixed adjustment device includes a buckle that is snapped onto the outside of the fixed railing. A frame is connected to the back of the buckle. A movable plate is slidably connected inside the frame. A first rotating handle is rotatably connected inside the frame. A movable shell is installed on the back of the movable plate. Two adjustable railings are connected to the outside of the two movable shells.
[0010] As a further description of the above technical solution:
[0011] A threaded rod is connected to the first rotating handle, and the threaded rod is locked outside the moving plate.
[0012] As a further description of the above technical solution:
[0013] Several connecting shells are connected inside the two adjustable rails, and an extension shell is connected to one side of each of the two connecting shells. A fixed suction cup is connected to the bottom of both the connecting shell and the extension shell, and the fixed suction cup is attached to the outside of the top cover.
[0014] As a further description of the above technical solution:
[0015] The length of the extension shell is slightly longer than the length of the connecting shell.
[0016] As a further description of the above technical solution:
[0017] The adapter includes an adjustment plate and a slide rod. A second rotating handle is rotatably connected inside the adjustment plate. The slide rod is disposed inside the movable housing and a rotating shaft is rotatably connected inside the slide rod. Two fixing plates are sleeved on the rotating shaft. The same rotating suction cup is connected under the two fixing plates and is attached to the outside of the top cover.
[0018] As a further description of the above technical solution:
[0019] The movable housing has a through hole, and the slide rod and the through hole form a sliding connection structure.
[0020] As a further description of the above technical solution:
[0021] The second rotating handle is connected to a threaded rod, which is locked outside the slide bar.
[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0023] 1. In this utility model, the device uses two buckles to secure itself to two fixed railings, which serve as the support points for the device, enabling flexible adjustment in both the longitudinal and lateral directions. After adjustment to a suitable working area, the first rotating handle is turned clockwise to fix the moving plate with its internal threaded rod. Then, the sliding rod is pulled to slide within the moving shell, and the rotating suction cup is adjusted to adhere to the arc-shaped surface of the top cover. Several connecting shells and extension shells are pressed to adhere the fixed suction cups at their bottoms to the top cover. Finally, the second rotating handle is turned to limit and fix the sliding rod with its threaded rod. This solution provides reliable protection for temporary maintenance work on the top cover of subway vehicles, improves the utilization efficiency of maintenance depot resources, and enhances operational safety. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of a protective device for working on the roof of a rail transit vehicle proposed in this utility model;
[0025] Figure 2 This utility model proposes a protective device for working on the roof of a rail transit vehicle. Figure 1 Enlarged structural diagram of section A;
[0026] Figure 3 This is a three-dimensional structural diagram of a fixing and adjusting device for a protective device on the roof of a rail transit vehicle, as proposed in this utility model.
[0027] Figure 4 This utility model proposes a protective device for working on the roof of a rail transit vehicle. Figure 3 Enlarged structural diagram of section B;
[0028] Figure 5 This is a three-dimensional structural diagram of the extended shell of a protective device for rooftop operations on rail transit vehicles proposed in this utility model;
[0029] Legend:
[0030] 1. Top cover; 2. Support plate; 3. Fixed railing; 4. Fixed adjustment device; 41. Buckle; 42. Frame; 43. Moving plate; 44. First rotating handle; 45. Moving shell; 46. Adjusting railing; 5. Adaptor device; 51. Adjusting plate; 52. Second rotating handle; 53. Slide rod; 54. Fixed plate; 55. Rotating shaft; 56. Rotating suction cup; 6. Connecting shell; 7. Extension shell; 8. Fixed suction cup. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0032] Please see Figures 1-5 ,
[0033] First embodiment:
[0034] This utility model provides a technical solution: a protective device for working on the roof of a rail transit vehicle, including a top cover 1, a support plate 2 connected to the front of the top cover 1, two fixed railings 3 connected to the support plate 2, two fixed adjustment devices 4 for adapting to different top covers 1 are fixedly attached to the outside of the railings, and an adaptation device 5 for adsorbing the arc-shaped top cover 1 is connected to the outside of the fixed adjustment device 4.
[0035] Specifically, such as Figure 2-5 As shown, the fixed adjustment device 4 includes a buckle 41, which is snapped onto the outside of the fixed railing 3. A frame 42 is connected to the back of the buckle 41. A movable plate 43 is slidably connected inside the frame 42. A first rotating handle 44 is rotatably connected inside the frame 42. A movable shell 45 is installed on the back of the movable plate 43. Two adjustable railings 46 are connected to the outside of the two movable shells 45. The adjustable railings 46 are made of aluminum alloy for easy handling. The railings have a telescopic adjustment function, and the threaded rod is easy to tighten.
[0036] A threaded rod is connected to the first rotating handle 44, and the threaded rod is locked outside the moving plate 43. Several connecting shells 6 are connected inside the two adjusting rails 46. An extension shell 7 is connected to one side of each of the two connecting shells 6. A fixed suction cup 8 is connected to the bottom of both the connecting shell 6 and the extension shell 7. The fixed suction cup 8 is attached to the outside of the top cover 1. The length of the extension shell 7 is slightly longer than the length of the connecting shell 6. The adapter device 5 includes an adjusting plate 51 and a sliding rod 53. A second rotating handle 52 is rotatably connected inside the adjusting plate 51. The sliding rod 53 is located inside the moving shell 45. A rotating shaft 55 is rotatably connected inside the sliding rod 53. Two fixed plates 54 are sleeved on the rotating shaft 55. The same rotating suction cup 56 is connected to the bottom of the two fixed plates 54. The rotating suction cup 56 is attached to the outside of the top cover 1. The movable shell 45 has a through hole, and the slide rod 53 and the through hole form a sliding connection structure. By setting the slide rod 53 and the movable shell 45, the movable shell 45 limits the slide rod 53, so that the slide rod 53 remains stable during the sliding process. The second rotating handle 52 is connected to a threaded rod, and the threaded rod is locked outside the slide rod 53. By setting the fixed railing 3, the fixed railing 3 on one side is used as the fixing point of this device, and the device is fixed on the fixed railing 3. This device can be extended and adjusted in the longitudinal and lateral directions. It can be adjusted to a position suitable for the working area and then completely fixed, forming a rectangle around the working area so that it can work safely within the area.
[0037] During operation, the two buckles 41 are respectively engaged with the two fixed railings 3. Then, the movable shell 45 is pulled, causing the movable plate 43 to slide within the frame 42. After sliding to the designated position, the first rotating handle 44 is rotated clockwise. The threaded rod inside the first rotating handle 44 rotates within the frame 42, fixing and limiting the movable plate 43. Then, the sliding rod 53 can be pulled to slide within the movable shell 45, and the rotating disc can be adjusted via the fixed plate 54 and the rotating shaft 55 on the sliding rod 53. The internal rotation is performed. When the rotating suction cup 56 is attached to the arc-shaped surface of the top cover 1, the second rotating handle 52 is rotated to fix and limit the sliding rod 53 with its internal threaded rod, and press the other connecting shells 6 and extension shells 7 so that the fixed suction cup 8 at the bottom is attached to the top cover 1. This solution provides a solution for the maintenance operation of the top cover 1 of subway vehicles, realizes a protective solution for temporary operation of the top cover 1 when the operation resources in the garage are tight, improves the utilization rate of operation resources in the vehicle maintenance garage, and provides safety guarantee during operation.
[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A protective device for working on the roof of a rail transit vehicle, comprising a top cover (1), characterized in that, The top cover (1) is connected to a support plate (2) on the front. Two fixed railings (3) are connected to the support plate (2). Two fixed adjustment devices (4) for adapting to different top covers (1) are fixedly attached to the outside of the railings. An adaptation device (5) for adsorbing the arc-shaped top cover (1) is connected to the outside of the fixed adjustment device (4).
2. The protective device for working on the roof of a rail transit vehicle according to claim 1, characterized in that, The fixed adjustment device (4) includes a buckle (41), which is snapped onto the outside of the fixed railing (3). A frame (42) is connected to the back of the buckle (41). A movable plate (43) is slidably connected inside the frame (42). A first rotating handle (44) is rotatably connected inside the frame (42). A movable shell (45) is installed on the back of the movable plate (43). Two adjustment railings (46) are connected to the outside of the two movable shells (45).
3. A protective device for working on the roof of a rail transit vehicle according to claim 2, characterized in that, A threaded rod is connected to the first rotating handle (44), and the threaded rod is locked outside the moving plate (43).
4. A protective device for working on the roof of a rail transit vehicle according to claim 2, characterized in that, Several connecting shells (6) are connected inside the two adjustable rails (46), and an extension shell (7) is connected to one side of the two connecting shells (6). A fixed suction cup (8) is connected to the bottom of both the connecting shell (6) and the extension shell (7), and the fixed suction cup (8) is attached to the outside of the top cover (1).
5. A protective device for working on the roof of a rail transit vehicle according to claim 4, characterized in that, The length of the extension shell (7) is slightly longer than the length of the connecting shell (6).
6. A protective device for working on the roof of a rail transit vehicle according to claim 2, characterized in that, The adapter (5) includes an adjustment plate (51) and a slide rod (53). A second rotating handle (52) is rotatably connected inside the adjustment plate (51). The slide rod (53) is set inside the movable shell (45). A rotating shaft (55) is rotatably connected inside the slide rod (53). Two fixing plates (54) are sleeved on the rotating shaft (55). The same rotating suction cup (56) is connected under the two fixing plates (54). The rotating suction cup (56) is attached to the outside of the top cover (1).
7. A protective device for working on the roof of a rail transit vehicle according to claim 6, characterized in that, The movable housing (45) has a through hole, and the slide rod (53) and the through hole form a sliding connection structure.
8. A protective device for working on the roof of a rail transit vehicle according to claim 7, characterized in that, The second rotating handle (52) is connected to a threaded rod, which is locked outside the slide bar (53).