Railway vehicle maintenance method

Abstract

The invention relates to a railway vehicle maintenance method, and belongs to the technical field of railway vehicle maintenance. The railway vehicle maintenance method comprises the following steps that two maintenance platforms are built, and a reserved space for the railway vehicle to enter and exit is reserved between the two maintenance platforms; each maintenance platform comprises multiple layers of platforms arranged in the vertical direction, the rail vehicle is divided into multiple parts in the vertical direction, and the multiple parts of the rail vehicle and the multiple layers of platforms are arranged in a one-to-one correspondence mode so that maintenance personnel can maintain the corresponding parts of the rail vehicle on the corresponding platforms; the shell is arranged in the receding opening of the maintenance platform, and the shell is arranged in the vertical direction; a cage is arranged in the shell, and a winch used for lifting the cage is installed on the top of the shell; after the railway vehicle is parked in the reserved space, the railway vehicle is overhauled; in the maintenance process, articles or maintenance personnel needing to be used in the maintenance process are transported through the suspension cage.

Description

Technical Field

[0001] The invention belongs to the technical field of rail vehicle maintenance, and in particular relates to a rail vehicle maintenance method. Background Art

[0002] The maintenance of rail vehicles is of great significance to the safe operation of rail vehicles. During the long-term operation of rail vehicles, the various components of the vehicle will inevitably produce wear and fatigue. By inspecting and repairing the vehicle, possible problems of the rail vehicle can be discovered and eliminated in time, thus ensuring the safe operation of the rail vehicle.

[0003] Since rail vehicles are usually at a high height, maintenance personnel sometimes stand on a maintenance platform to maintain the rail vehicles. The maintenance platform usually includes multiple layers. Maintenance personnel need to go up and down the maintenance platform during the maintenance process, and some maintenance tools need to be transferred between the multiple layers of platforms, and some rail vehicle parts need to be replaced. In the prior art, maintenance personnel go up and down the maintenance platform, and maintenance tools, vehicle parts and other items waiting to be transported between the multiple layers of platforms usually rely on manual transfer or the use of an overhead crane. Manual transfer increases the transfer time, and the overhead crane is prone to collision with the maintenance platform, rail vehicles, etc. Therefore, the rail vehicle maintenance method in the prior art cannot meet the rail vehicle maintenance requirements well. Summary of the invention

[0004] In view of the deficiencies existing in the related art, the present invention provides a rail vehicle maintenance method to improve the maintenance efficiency of the rail vehicle.

[0005] The present invention provides a rail vehicle maintenance method, comprising the following steps:

[0006] Two maintenance platforms are built, and a reserved space for rail vehicles to enter and exit is reserved between the two maintenance platforms; each maintenance platform includes multiple layers of platforms arranged in a vertical direction, and the multiple layers of platforms are arranged in correspondence with the rail vehicles in the vertical direction;

[0007] The shell is arranged vertically in the avoidance opening of the maintenance platform, the cage is arranged in the shell, and the hoisting machine for raising and lowering the cage is installed on the top of the shell;

[0008] Drive the rail vehicle that needs to be repaired into the reserved space, and during the repair process, transport the items or repair personnel needed during the repair process through the cage;

[0009] After the current rail vehicle is overhauled, the current rail vehicle leaves the reserved space, and the next rail vehicle that needs to be overhauled enters the reserved space for overhaul.

[0010] The technical solution parks the rail vehicle that needs maintenance in the reserved space reserved between two maintenance platforms, so that the vehicle maintenance can be carried out after the rail vehicle is parked, thereby saving maintenance time; an avoidance opening is provided on the maintenance platform, and a shell is provided in the avoidance opening, and a lifting cage is also provided in the shell, so that the cage can be used for transportation during the vehicle maintenance process, saving transportation time, thereby improving maintenance efficiency; the current vehicle leaves the reserved space after maintenance is completed, and the next vehicle that needs maintenance enters the reserved space for maintenance, and maintenance personnel and maintenance tools do not need to change sites, so that the flow operation of vehicle maintenance can be realized, thereby improving the overall efficiency of vehicle maintenance.

[0011] In some of the embodiments, the rail vehicle is divided into multiple parts in the vertical direction, and the multiple parts are arranged corresponding to the multi-layer platforms; the rail vehicle is inspected from bottom to top in sequence during the maintenance process. After the corresponding part of the rail vehicle is inspected on a certain platform, the rail vehicle is lifted to the upper platform by a cage for inspection.

[0012] In some of the embodiments, the cage is provided with a cage opening for maintenance personnel and / or items to be transported to enter and exit the cage, and the shell is provided with a shell opening, which is arranged corresponding to the cage opening; the shell opening and the cage opening are respectively arranged along the length direction of the rail train.

[0013] In some embodiments, a door body is provided at the shell opening, and the door body is used to open or close the shell opening; the door body is provided in plurality, and the plurality of door bodies are provided corresponding to the multi-layer platforms. When the cage is transported to a certain platform, the corresponding door body is opened to take and place the items to be transported from the cage or for maintenance personnel to enter and exit.

[0014] This technical solution provides a door body and uses the door body to close the shell opening to prevent maintenance personnel from mistakenly entering the avoidance opening or entering the cage through the shell opening.

[0015] In some of the embodiments, the avoidance opening is located in the middle portion of the maintenance platform, and the avoidance opening is arranged to penetrate the maintenance platform in a vertical direction.

[0016] The technical solution arranges the avoidance opening in the middle part of the maintenance platform so that when the shell is arranged in the avoidance opening, the maintenance platform can support the shell to prevent the shell from tilting.

[0017] In some of the embodiments, an opening is provided at the top of the shell, a mounting rod is provided at the top opening of the shell, and a winch is installed on the mounting rod; the winch is located at the center of the top opening of the shell; the winch raises or lowers the cage by winding or releasing the rope; the connection between the rope and the cage is located on the center line of the cage set in the vertical direction.

[0018] In some of the embodiments, the shell is provided with a guide rail, which is located inside the shell and extends in a vertical direction; the outer periphery of the cage is provided with a roller, which contacts with the guide rail and moves along the guide rail.

[0019] The technical solution provides guide rails on the shell and rollers on the outer periphery of the cage, and utilizes the rollers to move along the guide rails to guide the movement of the cage, thereby increasing the reliability and stability of the cage movement.

[0020] In some of the embodiments, the shell includes a column and a fence, the fence is connected to the column, and the winch is installed on the upper end of the column; when installing the shell, the column is first placed in the avoidance opening along the vertical direction, and then the fence is connected to the column.

[0021] The technical solution increases the height of the winch by arranging the columns in the vertical direction and installing the winch on the upper end of the columns, so that the winch is a certain distance away from the ground, so that the winch can lift the cage; by arranging the columns in the avoidance opening, on the one hand, it can facilitate the lifting of the cage through the avoidance opening, and on the other hand, it can also support the columns to a certain extent to prevent the columns from tipping over, thereby increasing the stability and reliability of the vertical setting of the columns, thereby increasing the safety and reliability of the lifting device; by arranging the fence, the fence and the columns together define a shell, and the cage is lifted and lowered in the shell, on the one hand, it can prevent maintenance personnel from mistakenly entering the cage, and on the other hand, the fence can close the avoidance opening to prevent maintenance personnel from mistakenly entering the avoidance opening and causing safety accidents.

[0022] In some of the embodiments, the cage is equipped with a gravity sensor, and the gravity sensor is connected to an alarm, and when the total weight of the cage is overweight, the alarm sounds an alarm.

[0023] This technical solution detects the weight of the cage by setting a gravity sensor to avoid damage to the cage or breakage of the rope or damage to the winch due to overweight of the cage, thereby preventing adverse consequences; and by setting an alarm, when the cage is overweight, the alarm sounds to remind the staff that it is overweight.

[0024] In some of the embodiments, when the cage is overweight, the items transported in the cage are transported in multiple times; if the items in the cage cannot be transported in multiple times, an overhead crane is used to transport the items in the cage.

[0025] This technical solution uses an overhead crane to transport the items in the cage when the cage is overweight and the items in the cage cannot be transported in multiple times, so as to transport the items to the required platform.

[0026] Based on the above technical solution, the rail vehicle maintenance method in the embodiment of the present invention is not only simple and easy to operate, but also has high maintenance efficiency, low maintenance cost and high safety during the maintenance process. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0028] Figure 1 This is a schematic diagram of the structure of the maintenance platform after the housing, cage and winch are installed in one embodiment of the rail vehicle maintenance method of the present invention;

[0029] Figure 2 This is a schematic diagram of the structure after the housing is installed with a cage and a winch in one embodiment of the rail vehicle maintenance method of the present invention;

[0030] Figure 3 It is a structural schematic diagram of a rail vehicle maintenance method in one embodiment of the present invention when a winch is installed on a column and a cage is hoisted;

[0031] Figure 4 for Figure 3 A partial enlarged view of the middle part;

[0032] Figure 5 A schematic diagram of the structure of a housing in one embodiment of a rail vehicle maintenance method of the present invention;

[0033] Figure 6 This is a schematic diagram of the structure when a winch is connected to a cage through a rope in one embodiment of a rail vehicle maintenance method of the present invention;

[0034] Figure 7 It is a schematic diagram of the structure of a cage in one embodiment of the rail vehicle maintenance method of the present invention.

[0035] In the figure:

[0036] 1. Column; 2. Fence; 3. Door; 4. Winch; 5. Inspection platform; 6. Mounting rod; 7. Cage; 8. Roller;

[0037] 11. Guide rails;

[0038] 41. Rope;

[0039] 71. Support platform; 72. Fence; 73. Lifting parts. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Thus, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] like Figure 1-Figure 7 As shown, in an exemplary embodiment of the rail vehicle maintenance method of the present invention, the rail vehicle maintenance method includes the following steps:

[0045] Two maintenance platforms 5 are built, and a reserved space for rail vehicles to enter and exit is reserved between the two maintenance platforms 5, so that the rail vehicles can be parked in the reserved space for maintenance; each maintenance platform 5 includes a multi-layer platform, and the multi-layer platforms are arranged in the vertical direction. The multi-layer platforms and the rail vehicles are arranged in the vertical direction, so that maintenance personnel can stand on the platform to maintain the rail vehicles.

[0046] The shell is arranged in the avoidance opening of the maintenance platform 5 along the vertical direction, the cage 7 is arranged in the shell, and the winch 4 for lifting the cage 7 is installed on the top of the shell; it should be noted that the cage 7 is used to carry the items to be transported and / or maintenance personnel, and the surrounding wall of the cage 7 is provided with a cage opening for the items to be transported and / or maintenance personnel to enter and exit the cage 7; it should also be noted that the shell is an internally hollow structure, the shell is provided with a shell opening, and the shell opening is arranged corresponding to the cage opening, so that the maintenance personnel and / or the items to be transported can pass through the shell opening and the cage opening in turn to enter and exit the cage 7.

[0047] The rail vehicle to be repaired is driven into the reserved space. During the repair process, the items or repair personnel needed during the repair process are transported by the cage 7, so as to save the time of the repair personnel going up and down the repair platform 5 and the time of transporting items. It should be noted that the items transported by the cage 7 include but are not limited to repair personnel, repair tools, parts that need to be newly installed on the rail vehicle, and old parts that are replaced.

[0048] After the current rail vehicle is overhauled, the current rail vehicle leaves the reserved space, and the next rail vehicle that needs to be overhauled enters the reserved space for overhaul.

[0049] The above-mentioned rail vehicle maintenance method builds a maintenance platform 5 in advance and sets a reserved space between the two maintenance platforms 5, so that the vehicle that needs maintenance can enter the reserved space to save maintenance time, and two groups of maintenance personnel can respectively perform maintenance on both sides of the rail vehicle on the two maintenance platforms 5 to improve the maintenance efficiency; by setting an avoidance opening on the maintenance platform 5, and setting the shell in the avoidance opening, and a lifting cage 7 that can be raised and lowered is also set in the shell, so that the cage 7 can be used for transportation during the vehicle maintenance process, saving transportation time, thereby improving the maintenance efficiency; after the current vehicle is completed, it leaves the reserved space, and the next vehicle that needs maintenance enters the reserved space for maintenance, and the maintenance personnel and maintenance tools do not need to change the site, and the flow operation of vehicle maintenance can be realized, thereby improving the overall efficiency of vehicle maintenance.

[0050] For the convenience of expression, the multi-layer platforms are called the first platform, the second platform, etc. from bottom to top, among which the first platform is located above the ground.

[0051] It can be considered that the rail vehicle is divided into multiple parts in the vertical direction, and the multiple parts of the rail vehicle are arranged in a one-to-one correspondence with the multi-layer platforms, and the maintenance personnel perform maintenance on the corresponding parts of the rail vehicle on the corresponding platforms.

[0052] During the maintenance process, the maintenance personnel first stand on the ground to inspect the corresponding part of the rail vehicle, and after the maintenance is completed, they are lifted to the first-level platform by the cage 7 to inspect the corresponding part of the rail vehicle; after the maintenance of the part corresponding to the rail vehicle and the first-level platform is completed, the part corresponding to the rail vehicle and the second-level platform is inspected, and so on.

[0053] In some embodiments, during the maintenance process, if it is necessary to replace parts of the rail vehicle, the old parts are first transported to the ground by the cage 7, and then the new parts are transported to the corresponding platform by the cage 7 for replacement. On the one hand, the old parts can be transported to the ground in time to reduce the weight of the maintenance platform 5. On the other hand, the maintenance personnel on the ground can check whether the new parts match the old parts. If they do not match, they can be corrected in time to avoid the maintenance personnel discovering that the new parts do not match after the new parts are delivered to the corresponding platform, thereby avoiding delays in maintenance time and reducing maintenance efficiency.

[0054] In other embodiments, during the maintenance process, if it is necessary to replace parts of the rail vehicle, the maintenance personnel first inform other staff members through communication equipment such as telephones and intercoms, and other staff members transport the new parts to the corresponding platform through the cage 7. Some maintenance personnel on the platform dismantle the old parts, and other maintenance personnel check whether the new parts match. If they do not match, other staff members are informed in time to replace the new parts in time to avoid delays in maintenance time and reduced maintenance efficiency due to mismatched new parts.

[0055] In some embodiments, the length direction of the maintenance platform 5 is arranged along the length direction of the rail vehicle, and the shell opening and the cage opening are respectively arranged along the length direction of the rail train, so that the platform can have a larger space for maintenance personnel and items to enter and exit the cage 7.

[0056] like Figure 1 , Figure 2 and Figure 5 As shown, a door body 3 is provided at the shell opening, and the door body 3 is rotatably provided at the shell opening for opening or closing the shell opening. The shell opening is sealed by the door body 3 to prevent maintenance personnel from mistakenly entering the avoidance opening or entering the cage 7 through the shell opening.

[0057] There are multiple door bodies 3, and multiple door bodies 3 are set corresponding to multi-layer platforms. When the cage 7 is transported to a certain platform, the corresponding door body 3 is opened to take and place the items to be transported or the maintenance personnel in and out of the cage 7; the door body 3 on the platform corresponding to the part where the rail vehicle maintenance is completed is closed to prevent the items or maintenance personnel from falling from the shell opening to the avoidance port and causing safety hazards. It should be noted that the door body 3 is located above the corresponding platform to ensure that the door body 3 can be opened smoothly.

[0058] In some embodiments, when the winch 4 stops working, the door body 3 is closed so that the door body 3 blocks the shell opening and the escape hole to prevent objects or maintenance personnel from mistakenly entering the shell opening or the escape hole, thereby causing adverse consequences.

[0059] In some embodiments, the avoidance opening is located in the middle part of the maintenance platform 5, and the avoidance opening is arranged to penetrate the maintenance platform 5 in the vertical direction. The shell is arranged in the avoidance opening, so that the maintenance platform 5 can support the shell to prevent the shell from tilting.

[0060] In the above-mentioned rail vehicle maintenance method, the shell is arranged in the vertical direction and the winch 4 is installed on the upper end of the shell to increase the height of the winch 4, so that the winch 4 is a certain distance away from the ground, so that the winch 4 can lift the cage 7; by arranging the shell in the avoidance, on the one hand, it is convenient for the cage 7 to pass through the avoidance for lifting and lowering, and on the other hand, the maintenance platform 5 can support the shell to a certain extent to prevent the shell from tipping over, thereby increasing the stability and reliability of the vertical arrangement of the shell, thereby increasing the safety and reliability of the lifting device.

[0061] like Figure 1 and Figure 3 As shown, the shell includes a column 1 and a fence 2. The column 1 is arranged in the vertical direction, and the fence 2 is connected to the column 1. The fence 2 can prevent maintenance personnel from mistakenly entering the cage 7 on the one hand, and on the other hand, it can close the escape opening to prevent maintenance personnel from mistakenly entering the escape opening and causing safety accidents.

[0062] When installing the shell, firstly place the column 1 in the avoidance opening along the vertical direction, and then weld the fence 2 to the column 1.

[0063] In some embodiments, four pillars 1 are provided, and the four pillars 1 are correspondingly provided at the four corners of the shell.

[0064] like Figure 4 As shown, the housing is provided with a guide rail 11, which is located inside the housing and extends in the vertical direction; the outer periphery of the cage 7 is provided with a roller 8, which contacts with the guide rail 11 and moves along the guide rail 11. When the hoist 4 lifts the cage 7 through the rope 41, the roller 8 moves synchronously along the guide rail 11 to guide the cage 7 to move, thereby increasing the reliability and stability of the cage 7 movement.

[0065] In some embodiments, the guide rail 11 is provided on the column 1. When there are four columns 1, there are also four guide rails 11, and the four guide rails 11 are provided in a one-to-one correspondence with the four columns 1. Accordingly, there are four rollers 8, and the four rollers 8 are provided correspondingly to the four corners of the cage 7. The four rollers 8 are provided in a one-to-one correspondence with the four guide rails 11. By providing four guide rails 11 and four rollers 8, respectively, the reliability and stability of the movement of the cage 7 are increased.

[0066] In some of the embodiments, an opening is provided at the top of the shell, a mounting rod 6 is provided at the top opening of the shell, and a winch 4 is installed on the mounting rod 6; the winch 4 is located at the center of the top opening of the shell; the winch 4 raises or lowers the cage 7 by winding or releasing the rope 41; the connection between the rope 41 and the cage 7 is located on the center line of the cage 7 set in the vertical direction.

[0067] It should be noted that the rotation speed of the winch 4 can be adjusted, and the lifting speed of the cage 7 can be controlled by adjusting the rotation speed of the winch 4. This is common knowledge in the field and will not be described in detail.

[0068] The working principle of the winch 4 is as follows: the winch 4 releases the rope 41, causing the cage 7 to fall under its own weight and / or the tension of the rope 41; the winch 4 reels the rope 41, and the cage 7 moves upward under the tension of the rope 41.

[0069] It should be noted that when the cage 7 moves upward, it moves upward under the tension of the rope 41; when the cage 7 descends, the rope 41 may not apply tension to the cage 7, so that the cage 7 falls under the action of its own gravity, or the rope 41 may apply tension to the cage 7, so that the cage 7 falls under the combined action of its own gravity and the tension of the rope 41.

[0070] In some embodiments, the mounting rod 6 is welded to the column 1. Before placing the column 1 in the avoidance opening, the cage 7 is first placed in the avoidance opening and the cage 7 is placed on the ground. Then the column 1 is placed in the avoidance opening, and the winch 4 is installed on the mounting rod 6. Finally, the winch 4 releases the rope 41, and then the rope 41 is connected to the cage 7.

[0071] like Figure 7 As shown, the cage 7 includes a support platform 71, a fence 72 and a lifting component 73. The support platform 71 is used to place the items to be transported or for maintenance personnel to stand; the fence 72 is used to protect the items to be transported and / or the maintenance personnel to prevent the transported items and / or the maintenance personnel from falling from the support platform 71; the bottom of the fence 72 is connected to the support platform 71, and the fence 72 extends along the outer periphery of the support platform 71. The lifting component 73 is arranged on the top of the fence 72, and the lifting component 73 is connected to the rope 41, so that the winch 4 can lift the cage 7 through the rope 41.

[0072] In some embodiments, the connection between the rope 41 and the lifting member 73 is located on the center line of the cage 7 set in the vertical direction, so that the cage 7 has only one lifting point, so that the cage 7 can automatically perform balance calibration during transportation.

[0073] In some embodiments, the cage 7 is installed with a gravity sensor to detect the total weight of the cage 7 and the items and / or maintenance personnel in the cage 7 to avoid adverse consequences due to overweight.

[0074] In other embodiments, the gravity sensor is connected to an alarm. When the total weight of the cage 7 and the items in the cage 7 and / or the maintenance personnel exceeds a certain value, the alarm sounds an alarm to alert the maintenance personnel.

[0075] During the inspection process, when the total weight of the cage 7 is overweight and the alarm sounds, the items transported in the cage 7 are transported in multiple times.

[0076] It should be noted that if the items in the cage 7 cannot be transported in multiple times (for example, there is only one item in the cage 7), the cage 7 cannot be used for transportation at this time, and an overhead crane is used to transport the items in the cage 7 to transport the items to the required layer platform.

[0077] In some embodiments, the gravity sensor is connected to a controller, and the controller is also connected to an alarm. The controller controls the operation of the alarm according to the detection result of the gravity sensor.

[0078] In other embodiments, the door body 3 is connected to an automatic switch component, which is connected to a controller, and the controller is also connected to a winch 4. When the winch 4 lifts the cage 7 to the required platform, the door body 3 corresponding to the required platform is automatically opened by the automatic switch component. After all items in the cage 7 are taken out, the door body 3 is automatically closed by the automatic switch component to avoid safety hazards caused by staff forgetting to close the door body 3 or the door body 3 is not closed tightly.

[0079] It should be noted that the automatic door opening and closing components belong to the prior art in this field and will not be described in detail here.

[0080] The following takes the maintenance platform 5 including three-layer platforms as an example to describe the above rail vehicle maintenance method in detail.

[0081] Two maintenance platforms 5 are built respectively, each maintenance platform 5 includes three layers, and a reserved space for rail vehicles to enter and exit is reserved between the two maintenance platforms 5, wherein the length direction of the maintenance platform 5 is arranged in the same direction as the entry and exit direction of the rail vehicles;

[0082] The housing is arranged in the avoidance along the vertical direction, and the housing opening is arranged along the length direction of the maintenance platform 5; the cage 7 is arranged inside the housing, and the cage opening and the housing opening are arranged in the same direction; the mounting rod 6 is installed on the top of the housing, the rope 41 is connected to the hanging member 73, and the winch 4 is fixedly installed on the mounting rod 6;

[0083] The rail vehicle that needs to be repaired drives into the reserved space and temporarily parks in the reserved space. The maintenance personnel first stand on the ground to repair the rail vehicle. When the maintenance personnel cannot repair it due to height problems while standing on the ground, the maintenance personnel enter the cage 7 and control the winch 4 to reel in the rope 41, so that the cage 7 moves to the first-layer platform. The maintenance personnel enter the first-layer platform to continue to repair the rail vehicle. After the repair of the part of the rail vehicle corresponding to the first-layer platform is completed, the maintenance personnel enter the second-layer platform through the cage 7 for repair. Similarly, after the repair of the part of the rail vehicle corresponding to the second-layer platform is completed, the maintenance personnel enter the third-layer platform through the cage 7 for repair. During the repair process, if it is necessary to replace parts of the rail vehicle, the maintenance personnel first inform other staff members through communication equipment such as telephones and intercoms, and other staff members transport the new parts to the current-layer platform through the cage 7. Some maintenance personnel on the current-layer platform dismantle the old parts, and other maintenance personnel check whether the new parts match. If they do not match, they will promptly inform other staff members and replace the new parts in time.

[0084] After all the current rail vehicles are overhauled, the current rail vehicle leaves the reserved space, and the next rail vehicle that needs to be overhauled enters the reserved space.

[0085] It should be noted that since the current vehicle is inspected from bottom to top, after the current vehicle is inspected, the maintenance personnel stay on the uppermost platform. When the next rail vehicle enters the reserved space for inspection at a short time interval after the current vehicle leaves, the next rail vehicle is inspected from top to bottom, the purpose of which is to reduce the time for maintenance personnel to go up and down the inspection platform 5 and improve the overall inspection efficiency.

[0086] The above rail vehicle maintenance method is simple and easy to operate, and has low maintenance cost and high maintenance efficiency. The cage 7 can be operated to rise and fall only by using the winch 4, which shortens the transportation time of maintenance personnel and items.

[0087] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0088] The above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. A rail vehicle maintenance method, characterized in that: The following steps are involved: Two maintenance platforms are built, and a reserved space for rail vehicles to enter and exit is reserved between the two maintenance platforms; each maintenance platform includes multiple layers of platforms arranged in a vertical direction, and the multiple layers of platforms are arranged corresponding to the rail vehicles in the vertical direction; The shell is arranged in the avoidance opening of the maintenance platform along the vertical direction, the cage is arranged in the shell, and the hoisting machine for lifting the cage is installed on the top of the shell; The rail vehicle to be repaired is driven into the reserved space, and during the repair process, items or repair personnel required for the repair process are transported by the cage; After the current rail vehicle is overhauled, the current rail vehicle leaves the reserved space, and the next rail vehicle that needs to be overhauled enters the reserved space for overhaul.

2. The rail vehicle maintenance method according to claim 1, characterized in that: The rail vehicle is divided into multiple parts in the vertical direction, and the multiple parts are arranged corresponding to the multi-layer platforms; during the maintenance process, the rail vehicle is inspected from bottom to top in sequence. After the corresponding part of the rail vehicle is inspected on a certain platform, the cage is lifted to the upper platform for inspection.

3. The rail vehicle maintenance method according to claim 1, characterized in that: The cage is provided with a cage opening for maintenance personnel and / or items to be transported to enter and exit the cage, and the shell is provided with a shell opening, and the shell opening is arranged corresponding to the cage opening; the shell opening and the cage opening are respectively arranged along the length direction of the rail train.

4. The rail vehicle maintenance method according to claim 3, characterized in that: A door body is provided at the shell opening, and the door body is used to open or close the shell opening; the door body is provided in plurality, and the plurality of door bodies are provided corresponding to the multiple layers of the platforms. When the cage is transported to a certain platform, the corresponding door body is opened to take in and place the items to be transported from the cage or for maintenance personnel to enter and exit.

5. The rail vehicle maintenance method according to claim 1, characterized in that: The avoidance opening is located in the middle part of the maintenance platform, and the avoidance opening is arranged to penetrate the maintenance platform in a vertical direction.

6. The rail vehicle maintenance method according to claim 1, characterized in that: The shell has an opening at the top, a mounting rod at the top opening, and the winch is mounted on the mounting rod; the winch is located at the center of the top opening of the shell; the winch raises or lowers the cage by winding or releasing the rope; the connection between the rope and the cage is located on the center line of the cage set in the vertical direction.

7. The rail vehicle maintenance method according to claim 1, characterized in that: The shell is provided with a guide rail, which is located inside the shell and extends in a vertical direction; the outer periphery of the cage is provided with a roller, which contacts with the guide rail and moves along the guide rail.

8. The rail vehicle maintenance method according to claim 1, characterized in that: The shell includes a column and a fence, the fence is connected to the column, and the winch is installed on the upper end of the column; when installing the shell, the column is first placed in the avoidance opening along the vertical direction, and then the fence is connected to the column.

9. The rail vehicle maintenance method according to claim 1, characterized in that: The cage is equipped with a gravity sensor, and the gravity sensor is connected to an alarm. When the total weight of the cage is overweight, the alarm sounds an alarm.

10. The rail vehicle maintenance method according to claim 9, characterized in that: When the cage is overweight, the items transported in the cage are transported in multiple times; if the items in the cage cannot be transported in multiple times, an overhead crane is used to transport the items in the cage.

Images