Power device for replacing lower part of motor train unit
Through the power device driven by forklifts and remote controls, the components under the EMU can be quickly positioned and replaced, solving the maintenance problems of limited operating space and heavy weight, improving maintenance efficiency and reducing operating costs.
Patent Information
- Application Number
- CN202423166678.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-12-23
AI Technical Summary
When replacing the components under the EMU, the operating space is limited and the weight of the accessories is heavy, resulting in a longer maintenance time and affecting production organization and maintenance efficiency.
The forklift and power device with a remote control are adopted, including a rotating working platform, a motor traverse system and a workpiece clamping system. The base and displacement device of the forklift drive device are moved to achieve rapid transmission and positioning of components. Combined with the electrical control system and the power supply system, the precise positioning and replacement of components are achieved.
It reduces the maintenance time of EMUs, reduces operating costs, improves maintenance efficiency and quality, and can quickly complete the replacement of components and fault handling in the warehouse.
Smart Images

Figure CN223175784U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of maintenance and repair of EMUs, in particular to a power device for replacing lower components of an EMU. Background Art
[0002] At present, with the increase of the operation years of EMUs, the occurrence of EMU failures remains high. Some fault disposals need to be carried out in the emergency repair depot, which seriously affects the production organization arrangement of the EMU depot. This is more prominent during holidays with "zero inspection preparation", and there are risks of failure to fulfill the inspection time of the train set and late departure.
[0003] Most of the key components of EMUs are installed under the vehicle. Due to their position and structure, when replacing the lower parts, there are problems such as limited operating space, heavy component weight, and difficulty in manual replacement, which seriously affect the maintenance time of EMUs. Content of the Utility Model
[0004] In order to reduce the maintenance time of EMUs and quickly complete the maintenance of EMUs, the utility model provides a power device for replacing lower components of an EMU.
[0005] The power device for replacing lower components of an EMU provided by the utility model adopts the following technical scheme:
[0006] A power device for replacing lower components of an EMU includes a forklift and a remote controller with buttons. An electrical control system is fixedly connected inside the forklift. The remote controller includes a controller. A device base is fixedly connected to the end of the extended fork arm of the forklift. A displacement device and a power supply system are fixedly connected to one side of the device base. The displacement device includes a rotary operation platform, a motor transverse movement system, and a workpiece clamping system. The electrical control system is communicatively connected with the power supply system. The rotary operation platform, the motor transverse movement system, and the workpiece clamping system are all communicatively connected with the electrical control system, the controller, and the power supply system.
[0007] By adopting the above technical scheme, the forklift drives the device base and the displacement device to move, and can realize up and down, left and right movements and 360-degree rotation, so as to realize the rapid transfer and positioning of components. Most of the key components of EMUs are installed under the vehicle, which is beneficial to adapt to the maintenance under the conditions of limited operating space and heavy component weight when replacing lower parts.
[0008] Preferably, the motor transverse movement system includes a transverse movement motor, a walking guide rail, and a walking frame. A rack is fixedly connected inside the walking guide rail. One end of the bottom of the walking frame is rotatably connected with a gear. The outer surface of the transverse movement motor is fixedly connected to one side of the walking frame. The end of the output shaft of the transverse movement motor is fixedly connected to the inside of the gear. The other end of the bottom of the walking frame is slidably connected to the top of the walking guide rail. The electrical control system and the remote controller are both communicatively connected with the transverse movement motor.
[0009] By adopting the above technical solution, the transverse movement motor drives the transverse telescopic push, and the rotary working platform has a fixed part of the workpiece clamping system, realizing the fixation of the underbody parts.
[0010] Preferably, the rotary working platform includes a rotary motor and a rotary tray. The rotary motor is fixedly connected to the top of the walking frame, and the end of the output shaft of the rotary motor is drivingly connected to the bottom of the rotary tray. The electrical control system and the remote controller are both communicatively connected to the rotary motor.
[0011] By adopting the above technical solution, the rotary working platform is also equipped with a device for self-wheel pushing, and has functions such as fixed wheels, etc., which can realize the replacement and disposal of the underbody parts in the maintenance depot.
[0012] Preferably, the workpiece clamping system includes a brake clamp. The bottom of the brake clamp is fixedly connected to the top of the rotary tray. The electrical control system, the controller and the power supply system are all communicatively connected to the brake clamp.
[0013] By adopting the above technical solution, the brake clamp fixes and replaces parts.
[0014] Preferably, the power supply system includes a rechargeable battery and a power inverter system. The power supply system is fixedly connected to the outer surface of the walking frame.
[0015] By adopting the above technical solution, the power supply system has a built-in and rechargeable battery to maintain the endurance of the displacement device.
[0016] In summary, the utility model has the following beneficial technical effects:
[0017] 1. This device is provided with a forklift and a displacement device. A workpiece clamping system is installed on the rotary working platform, which can clamp the workpiece to be installed, and then lift it by the lifting mechanism and position it by the rotating structure to realize the fixation of the underbody parts; operating the forklift can realize the up and down operation and the fine-tuning function in the front and rear directions of the power device for replacing the underbody parts of the EMU; the hydraulic lifting forklift provides the walking power, which can facilitate the rapid transfer in the depot, is beneficial to reducing the maintenance time of the EMU, quickly completing the maintenance of the EMU, and at the same time, the replaceable maintenance device can meet the needs of fault handling at any position in the depot;
[0018] 2. The device is equipped with a remote controller. By operating the controller, the staff can send components such as the under-car traction converter module, foundation brake calipers, and auxiliary power supply unit chassis placed on the rotating operation platform into or out of the replacement position under the power unit locomotive. The staff operates the controller to drive the rotating tray to rotate 360 degrees by the rotating motor, achieving accurate positioning of the replacement components, assisting the operators to complete heavy and complex work, reducing the number of operators from multiple to two, greatly reducing the operation cost, and significantly improving the work efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 FIG. 6 is a schematic structural diagram of a power device for replacing components under a multiple unit train according to the present utility model;
[0020] Figure 2 FIG. 10 is a side view of a power device for replacing components under a multiple unit train according to the present utility model;
[0021] Figure 3 FIG. 14 is a schematic structural diagram of a rotating operation platform in a power device for replacing components under a multiple unit train according to the present utility model;
[0022] Figure 4 FIG. 18 is a schematic structural diagram of a device base in a power device for replacing components under a multiple unit train according to the present utility model.
[0023] DESCRIPTION OF THE REFERENCE NUMERALS:
[0024] 1, forklift; 2, device base; 3, rotating operation platform; 31, rotating motor; 32, rotating tray;
[0025] 4, motor transverse movement system; 41, transverse movement motor; 42, walking guide rail;
[0026] 5, brake caliper; 6, charging battery; 7, electrical control system. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] The following further describes the present utility model in detail with reference to the Figures 1-4 drawings.
[0028] An embodiment of the present utility model discloses a power device for replacing components under a multiple unit train.
[0029] Refer to Figure 1 , Figure 2, including a forklift 1 and a remote control with buttons. The forklift 1 is a hydraulic lift forklift. The device base 2 and the displacement device are powered by the hydraulic lift forklift 1 to facilitate rapid transfer in the warehouse. Operating the forklift 1 can achieve the up and down operation and fine-tuning function in the front and rear directions of the device base 2 and the displacement device under the EMU. An electrical control system 7 is fixedly connected inside the forklift 1. The remote control includes a controller. Thus, this device provides two operation modes: cab operation and wireless remote control operation, and can also perform interface display operations. At the end of the extended fork arm on the forklift 1, there is a fixedly connected device base 2. On one side of the device base 2, there is a fixedly connected displacement device and a power supply system. The displacement device includes a rotary operation platform 3, a motor transverse movement system 4, and a workpiece clamping system. The electrical control system 7 is communicatively connected to the power supply system. The rotary operation platform 3, the motor transverse movement system 4, and the workpiece clamping system are all communicatively connected to the electrical control system 7, the controller, and the power supply system. The rotary operation platform 3 and the motor transverse movement system 4 are installed on the device base. The workpiece clamping system is installed on the rotary operation platform 3, which can clamp the workpiece to be installed, and then lift it by the lifting mechanism of the forklift 1 and position it by the rotary operation platform 3 to fix the components under the EMU.
[0030] Refer to Figure 3 , the motor transverse movement system 4 includes a transverse movement motor 41, a walking guide rail 42, and a walking frame. A rack is fixedly connected inside the walking guide rail 42. One end of the bottom of the walking frame is rotatably connected to a gear. The outer surface of the transverse movement motor 41 is fixedly connected to one side of the walking frame. The end of the output shaft of the transverse movement motor 41 is fixedly connected to the inside of the gear. The other end of the bottom of the walking frame is slidably connected to the top of the walking guide rail 42. After starting the transverse movement motor 41, the transverse movement motor 41 drives the walking frame to move along the length direction of the walking guide rail 42, so that the rotary operation platform and the workpiece clamping system move together. The rotary operation platform 3 and the motor transverse movement system 4 have the function of preventing collision with the vehicle body, which can effectively prevent collision with the EMU vehicle body during the operation process.
[0031] Refer to Figure 2 、 Figure 3 , the rotary operation platform 3 includes a rotary motor 31 and a rotary tray 32. The rotary motor 31 is fixedly connected to the top of the walking frame. The end of the output shaft of the rotary motor 31 is drivingly connected to the bottom of the rotary tray 32. A vehicle-mounted traction converter module is also installed on the rotary operation platform 3. The operator can operate the controller to send components such as the vehicle-mounted traction converter module, the brake caliper 5, and the power supply system placed on the rotary operation platform 3 into or out of the replacement position under the power unit locomotive.
[0032] Refer to Figure 1 、 Figure 3, the workpiece clamping system includes a braking clamp 5, the bottom of the braking clamp 5 is fixedly connected to the top of the rotating tray 32, the electrical control system 7, the controller and the power supply system are all communicatively connected to the braking clamp 5. By operating the electrical control system 7 or the controller of the forklift 1, the workpiece to be installed is clamped by the braking clamp 5, and the power supply system provides power for the braking clamp 5.
[0033] Refer to Figure 1 , the electrical control system 7 and the remote controller are both communicatively connected to the transverse movement motor 41. The electrical control system 7 and the remote controller can both control the start, stop, rotation frequency, etc. of the transverse movement motor 41 and the rotation motor 31.
[0034] Refer to Figure 1 , the electrical control system 7 and the remote controller are both communicatively connected to the rotation motor 31.
[0035] Refer to Figure 1 , the power supply system includes a charging battery 6 and a power inverter system. The power supply system is fixedly connected to the outer surface of the walking frame. The charging battery 6 can be charged by an external power supply. The power inverter system protects the charging battery 6, and the power supply system provides power for the device base 2.
[0036] The implementation principle of a power device for replacing lower components of a bullet train in an embodiment of the present utility model is as follows:
[0037] 1. An operator operates the forklift 1 to realize the up-and-down operation and the fine-tuning function in the front and rear directions of the power device for replacing lower components of the bullet train. The lifting forklift 1 provides the walking power, which can facilitate the rapid transfer of the rotating operation platform 3, the motor transverse movement system 4 and the workpiece clamping system in the warehouse;
[0038] 2. The workpiece clamping system is installed on the rotating operation platform 3, which can clamp the workpiece to be installed, and then the workpiece is lifted by the lifting mechanism of the forklift 1 and positioned by the rotating structure to realize the fixation of the lower component. The operator in the forklift 1 operates the electrical control system 7, or another operator operates the buttons of the remote controller, and the transverse movement motor 41 drives the walking frame on the top of the walking guide rail 42 and moves along the length direction of the walking guide rail 42, so that the rotating operation platform 3 and the braking clamp 5 are also driven to move;
[0039] 3. The operator in the forklift 1 operates the electrical control system 7, or another operator operates the buttons of the remote controller, and the rotation motor 31 drives the rotating tray 32 to rotate, realizing the 360-degree rotation of the rotating operation platform 3, and further realizing the accurate positioning of the replaced component;
[0040] 4. The operator of the forklift 1 controls the walking and lifting of the forklift 1, and the operator operating the controller performs further positioning. The operation is reduced from multiple people to two people, and the operation cost is greatly reduced, and the work efficiency and quality are greatly improved.
[0041] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.
Claims
1. A power device for replacing lower components of a multiple unit train, characterized in that: It includes a forklift truck (1) and a remote control with buttons. An electrical control system (7) is fixedly connected inside the forklift truck (1). The remote control includes a controller. A device base (2) is fixedly connected to the end of the extended fork arm on the forklift truck (1). A displacement device and a power supply system are fixedly connected to one side of the device base (2). The displacement device includes a rotary working platform (3), a motor transverse movement system (4), and a workpiece clamping system. The electrical control system (7) is communicatively connected to the power supply system. The rotary working platform (3), the motor transverse movement system (4), and the workpiece clamping system are all communicatively connected to the electrical control system (7), the controller, and the power supply system.
2. The power device for replacing the lower components of a multiple unit train according to claim 1, characterized in that: The motor transverse movement system (4) includes a transverse movement motor (41), a walking guide rail (42), and a walking frame. A rack is fixedly connected inside the walking guide rail (42). One end of the bottom of the walking frame is rotatably connected to a gear. The outer surface of the transverse movement motor (41) is fixedly connected to one side of the walking frame. The end of the output shaft of the transverse movement motor (41) is fixedly connected to the inside of the gear. The other end of the bottom of the walking frame is slidably connected to the top of the walking guide rail (42).
3. The power device for replacing lower components of a multiple unit train according to claim 2, characterized in that: The rotary working platform (3) includes a rotary motor (31) and a rotary tray (32). The rotary motor (31) is fixedly connected to the top of the walking frame. The end of the output shaft of the rotary motor (31) is drivingly connected to the bottom of the rotary tray (32).
4. The power device for replacing the lower components of a multiple unit train according to claim 3, characterized in that: The workpiece clamping system includes a braking clamp (5). The bottom of the braking clamp (5) is fixedly connected to the top of the rotary tray (32). The electrical control system (7), the controller, and the power supply system are all communicatively connected to the braking clamp (5).
5. The power device for replacing lower components of a multiple unit train according to claim 4, characterized in that: The electrical control system (7) and the remote control are both communicatively connected to the transverse movement motor (41).
6. The power device for replacing the lower components of a multiple unit train according to claim 5, characterized in that: The electrical control system (7) and the remote control are both communicatively connected to the rotary motor (31).
7. The power device for replacing the lower components of a multiple unit train according to claim 6, wherein: The power supply system includes a charging storage battery (6) and a power inverter system. The power supply system is fixedly connected to the outer surface of the walking frame.