Working platform device for overhauling escape door of subway train

Abstract

The utility model relates to a working platform device for overhauling an escape door of a subway train. The working platform device comprises a working platform frame (1), rail wheels (2) and a rail fixing plate (3), the rail wheels (2) and the rail fixing plate (3) are fixed on the operation platform frame (1) through welding; and the rail fixing plate (3) is positioned above the rail wheels (2). Compared with the prior art, the maintenance platform has the advantages of providing a maintenance operation platform, providing operation comfort, improving maintenance work efficiency, improving safety of workers, being high in applicability and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit maintenance, in particular to an operating platform device for maintenance of subway train escape doors. Background Art

[0002] The escape door of a rail transit train, also known as an emergency evacuation door, is a key safety feature on a subway train. It is located at the head of the train, next to the driver's cab, and each subway train is usually equipped with two sets. When a subway train encounters an emergency such as a fire or a breakdown, the driver can pull the red handle on the emergency evacuation door to open and straighten the pre-folded evacuation ramp in the car, turning it into an emergency passage directly to the ground.

[0003] The escape door is a vital component of the subway train safety system, and the maintenance of the escape door is also an important maintenance and guarantee measure. At present, the maintenance of the escape door is to open the escape door to check whether there are any damaged parts and whether the operation is smooth. Since most of the maintenance work of the train is completed on the pit track, there is no good working platform on the pit to support the workers to complete the maintenance of the escape door. The workers cannot get enough working space to complete the maintenance work, which makes the maintenance of the escape door inefficient. When the train stops on the pit track, it is convenient for workers to enter the bottom of the train to inspect the bottom of the train, but it brings changes to the maintenance of the train escape door. When the train escape door is opened, the escape door is directly above the tunnel, and the reserved space is very small. The personnel cannot stand in the tunnel to inspect the escape door. When standing on the outside of the track for maintenance, the long distance brings inconvenience to the maintenance work.

[0004] How to realize the working platform for escape door maintenance has become a technical problem that needs to be solved. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects of the prior art and provide a working platform device for the inspection and maintenance of subway train escape doors.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] According to one aspect of the utility model, there is provided a working platform device for inspecting and repairing escape doors of subway trains, the device comprising a working platform frame, track wheels and a track fixing plate;

[0008] The rail wheel is fixed to the working platform frame at one end close to the ground by welding;

[0009] The track fixing plate is located above the track wheel;

[0010] The track fixing plate is rotatably connected to the working platform frame.

[0011] Preferably, the track wheel has an H-shaped structure.

[0012] More preferably, the track wheel comprises a universal roller with a brake.

[0013] Preferably, the device further comprises a fixed handrail, wherein the fixed handrail is welded and fastened to an end of the working platform frame away from the ground.

[0014] More preferably, the device further comprises a movable door, and the movable door is fixed to the fixed armrest by a hinge.

[0015] More preferably, the movable doors are parallel to the rails and located at both ends of the working platform frame.

[0016] More preferably, the number of the movable doors is two.

[0017] More preferably, the device further comprises a latch, one end of which is fixed to the fixed handrail, and the other end of which is fixed to the movable door.

[0018] Preferably, the track fixing plate comprises a handle and a concave buckle which are connected in sequence.

[0019] More preferably, the concave buckle includes a mounting hole, the handle includes a waist-shaped hole, and the waist-shaped hole is located in the middle of the handle; the rail fixing plate clamps the rail by screws passing through the mounting hole.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The working platform device of the utility model provides an escape door maintenance working platform and a good support platform for maintenance personnel. Sufficient space is left in the middle of the working platform to allow the escape door to be unfolded, so that maintenance personnel have more space to carry out operations, thereby improving maintenance work efficiency, improving operation comfort, and reducing labor intensity.

[0022] 2. The track fixing plate of the working platform device of the utility model enables the working platform to be stably fixed on the track plane, and the movable doors on both sides can be opened for maintenance personnel to go up and down, and the latches fix them to form guardrails, which provide an extra layer of protection for maintenance personnel.

[0023] 3. The working platform device of the utility model uses H-type track wheels, which can make the platform be pushed on flat ground or on tracks, making it convenient for the device to enter the working environment.

[0024] 4. The movable design of the working platform device of the utility model takes into account a variety of maintenance working environments, and has strong flexibility and applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the working platform device in the utility model;

[0026] Figure 2 It is a schematic diagram of the working platform device in the utility model used for the maintenance of the escape door;

[0027] Attached Figure 1 In the figure, 1: working platform frame, 2: H-type track wheel, 3: track fixing plate, 4: fixed handrail, 5: movable door, 6: latch, 7: rail, 31: handle, 32: concave buckle, 33: mounting hole, 311: waist-shaped hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0029] A work platform device for inspecting and repairing subway train escape doors, such as Figure 1 As shown, the device includes a working platform frame 1, track wheels 2, track fixing plates 3, fixed handrails 4, movable doors 5 and latches 6.

[0030] The main structure of the work platform is welded, and two movable doors 5 are arranged on both sides of the platform to facilitate the staff to get on and off the platform. At the same time, the entire work platform is designed to be movable, using H-type track wheels 2, so that the platform can be pushed on flat ground or on tracks.

[0031] In order to ensure its flexibility, the track wheel 2 under the platform adopts a universal belt brake structure; at the same time, in order to ensure the stability of the platform on the track, a track fixing plate 3 is arranged above the H-shaped track wheel 2, and the track fixing plate 3 is rotatably connected to the working platform frame 1.

[0032] The track fixing plate 3 comprises a handle 31 and a concave buckle 32 which are connected in sequence.

[0033] The concave buckle 32 includes a mounting hole 33, and the handle 31 includes a waist-shaped hole 311, and the waist-shaped hole 311 is located in the middle position of the handle 31; the track fixing plate 3 uses an H-shaped track wheel 2 so that it can walk on the track and on the flat ground; after the track fixing plate 3 is folded upward, it can move on the track 7 and on the flat ground; after the track fixing plate 3 is lowered, the rail 7 is clamped by screws on both sides of the track fixing plate 3 through the mounting holes 33, so that it is firmly fixed on the rail 7, so that the platform can be firmly fixed on the track plane, avoiding the platform from being unstable when the workers are working.

[0034] There is enough space in the middle of the working platform to allow the escape door to be opened, which is convenient for the operators to inspect the escape door more comprehensively and carefully. The movable doors 5 on both sides can be opened for the maintenance personnel to go up and down. The movable door 5 is equipped with a latch 6, which fixes the movable door 5 and forms a guardrail together with the fixed handrail 4 to provide an extra layer of protection for the maintenance personnel.

[0035] One end of the latch 6 is fixed to the fixed handrail 4 , and the other end is fixed to the movable door 5 .

[0036] like Figure 2 As shown, during the operation of the escape door maintenance, the working platform device is pushed to the maintenance track, and at the intersection of the flat ground and the track, the platform is pushed onto the rails so that the H-shaped track wheel 2 can be stuck on the rails 7, so that the platform can walk on the rails 7;

[0037] Then push the working platform device to a suitable position and step on the brake on the H-shaped track wheel 2, so that the platform can be initially stabilized;

[0038] The track fixing plate 3 is turned over to make it contact with the rail 7, and the hand-tightening bolts on the track fixing plate 3 are turned to clamp the rail 7. This will make the maintenance platform more stable. The operator opens the movable door 5 and can go up to the maintenance work platform to work.

[0039] This work platform can take into account a variety of working environments and has strong flexibility. It provides a good support platform for maintenance personnel, allowing them to have more space to work; it improves the comfort of work and reduces labor intensity.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A working platform device for subway train escape door maintenance, characterized in that: The device comprises a working platform frame (1), track wheels (2) and a track fixing plate (3); The track wheel (2) is fixed to one end of the working platform frame (1) close to the ground by welding; The track fixing plate (3) is located above the track wheel (2); The track fixing plate (3) is rotatably connected to the working platform frame (1).

2. The working platform device for subway train escape door maintenance according to claim 1, characterized in that: The track wheel (2) has an H-shaped structure.

3. The working platform device for subway train escape door maintenance according to claim 2 is characterized in that: The track wheel (2) comprises a universal roller with a brake.

4. The working platform device for subway train escape door maintenance according to claim 1, characterized in that: The device also comprises a fixed handrail (4), wherein the fixed handrail (4) is welded and fastened to an end of the working platform frame (1) away from the ground.

5. The working platform device for subway train escape door maintenance according to claim 4, characterized in that: The device also comprises a movable door (5), wherein the movable door (5) is fixed to the fixed handrail (4) via a hinge.

6. The working platform device for subway train escape door maintenance according to claim 5, characterized in that: The movable doors (5) are parallel to the steel rails and are located at both ends of the working platform frame (1).

7. The working platform device for subway train escape door maintenance according to claim 5, characterized in that: The number of the movable doors (5) is two.

8. The working platform device for subway train escape door maintenance according to claim 5, characterized in that: The device also includes a latch (6), one end of which is fixed to the fixed handrail (4) and the other end of which is fixed to the movable door (5).

9. The working platform device for subway train escape door maintenance according to claim 1, characterized in that: The track fixing plate (3) comprises a handle (31) and a concave buckle (32) which are connected in sequence.

10. The working platform device for subway train escape door maintenance according to claim 9, characterized in that: The concave buckle (32) comprises a mounting hole (33), the handle (31) comprises a waist-shaped hole (311), and the waist-shaped hole (311) is located in the middle of the handle (31); the rail fixing plate (3) is screwed through the mounting hole (33) to clamp the rail.

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