Wheelset transport vehicle and wheelset cleaning system

Abstract

The utility model belongs to rail transit technical field discloses a wheel set transport vehicle and wheel set cleaning system, including AGV car body, wheel set support mechanism, wheel set rotation mechanism and lifting mechanism, wheel set support mechanism sets up on AGV car body, and wheel set support mechanism is used for supporting wheel set and restricts wheel set movement, wheel set rotation mechanism includes the first state of abutting at wheel set and the second state of wheel set's disengagement, when wheel set rotation mechanism is in the first state, can lift wheel set and drive wheel set rotation, lifting mechanism sets up on AGV car body, and lifting mechanism is used for driving wheel set rotation mechanism to lift, to make wheel set rotation mechanism switch between the first state and the second state. The wheel set transport vehicle in the utility model can be used in the wheel set cleaning process, and wheel set is transferred from wheel set unloading area to the cleaning station of wheel set, breaks away from the restriction of rail mechanism, and the use is flexible.

Description

Technical Field

[0001] This utility model relates to the field of rail transit technology, and in particular to a wheelset transport vehicle and a wheelset cleaning system. Background Technology

[0002] As a core running gear of railway locomotives and rolling stock, the cleanliness of wheelsets directly affects maintenance quality, operational safety, and service life. During regular locomotive maintenance, thick layers of oil, rust, and debris accumulate on the wheelset surface, requiring thorough cleaning before subsequent processes such as flaw detection, measurement, and assembly can proceed. Traditional wheelset cleaning methods involve transferring the wheelsets from the unloading area to the track mechanism, then moving them along the track mechanism to the cleaning chamber. Inside the cleaning chamber, manual cleaning is performed using high-pressure water guns or fixed cleaning equipment.

[0003] The above-mentioned wheelset cleaning method has certain limitations. The wheelset must travel on the track mechanism, which greatly limits the travel path and makes obstacle avoidance difficult. Utility Model Content

[0004] The purpose of this invention is to provide a wheelset transport vehicle to solve the problem that the movement of wheelsets is restricted by the track mechanism during wheelset cleaning.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] This utility model provides a wheelset transport vehicle, including an AGV body, a wheelset support mechanism, a wheelset rotation mechanism, and a lifting mechanism. The wheelset support mechanism is disposed on the AGV body and is used to support the wheelset and restrict its movement. The wheelset rotation mechanism includes a first state of abutting against the wheelset and a second state of disengaging from the wheelset. When the wheelset rotation mechanism is in the first state, it can lift the wheelset and drive it to rotate. The lifting mechanism is disposed on the AGV body and is used to drive the wheelset rotation mechanism to rise and fall, so that the wheelset rotation mechanism switches between the first state and the second state.

[0007] In one embodiment, the AGV body includes a frame and a steering wheel, the steering wheel being disposed at the bottom of the frame, and the steering wheel including a shock-absorbing steering wheel.

[0008] In one embodiment, the AGV vehicle body also includes navigation sensors.

[0009] In one embodiment, the wheelset support mechanism includes two first support members spaced apart, each first support member having a receiving groove, into which the axle of the wheelset can be placed.

[0010] In one embodiment, the receiving groove is configured as a V-shape.

[0011] In one embodiment, the wheelset support mechanism further includes a second support member disposed between the two first supports members for supporting the gearbox of the wheelset.

[0012] In one embodiment, the wheelset rotation mechanism includes at least two spaced-apart rotating wheel sets. Each rotating wheel set includes a wheel slot, a rotation drive, and two spaced-apart rotating wheels. The wheel slot is installed at the output end of the lifting mechanism, the rotating wheels are installed in the wheel slot, and the rotation drive is connected to the rotating wheels.

[0013] In one embodiment, the rotating wheel is provided with an annular groove.

[0014] In one embodiment, the lifting mechanism employs a scissor lift structure or a hydraulic column lift structure.

[0015] Secondly, this utility model provides a wheelset cleaning system, including a cleaning device and a wheelset transport vehicle as described in any of the above claims.

[0016] The beneficial effects of this utility model are:

[0017] The aforementioned wheelset transport vehicle utilizes the AGV body to transport wheelsets, no longer limited to rail transport and eliminating the need for a rail mechanism. It can also automatically plan routes, offering high flexibility. Furthermore, the wheelset support mechanism on the AGV body supports the wheelsets during transport and restricts their movement, maintaining stability relative to the AGV body and reducing the possibility of wheelsets detaching. The wheelset rotation mechanism drives the wheelsets to rotate, ensuring comprehensive cleaning in the cleaning station for excellent results. Additionally, the wheelset rotation mechanism, mounted on the lifting mechanism, lifts the wheelsets as they rotate, disengaging them from the wheelset support mechanism. This reduces friction between the wheelsets and the support mechanism during rotation, extending the wheelset's lifespan. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the wheelset assembly on the wheelset transport vehicle according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the wheelset transport vehicle according to an embodiment of the present invention;

[0020] Figure 3 This is a three-dimensional structural diagram of the AGV vehicle body according to an embodiment of the present invention;

[0021] Figure 4 This is a front view of the AGV vehicle body described in this embodiment of the utility model (with hidden exterior sheet metal parts);

[0022] Figure 5 This is a schematic diagram of the wheelset support mechanism described in an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of the wheelset rotation mechanism described in an embodiment of the present invention.

[0024] In the picture:

[0025] 1. AGV body; 11. Frame; 12. Steering wheel; 13. Navigation sensor; 15. Emergency stop button; 16. Anti-collision strip; 17. Exterior sheet metal parts; 2. Wheelset support mechanism; 21. First support member; 22. Mounting seat; 23. Second support member; 24. Connecting beam; 3. Wheelset rotation mechanism; 31. Rotating wheel; 32. Rotating wheel groove seat; 33. Rotation drive member; 4. Wheelset. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar parts or parts having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] In the description of this utility model, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0030] like Figures 1 to 6 As shown, this utility model provides a wheelset transport vehicle for transferring wheelset 4 to the cleaning station where the cleaning device is located. The wheelset transport vehicle includes an AGV body 1, a wheelset support mechanism 2, a lifting mechanism (not shown in the figure), and a wheelset rotation mechanism 3. The AGV body 1 can autonomously travel along a preset path on the ground and eventually move to the cleaning station. The wheelset support mechanism 2 and the lifting mechanism are both mounted on the AGV body 1. The wheelset support mechanism 2 supports the wheelset 4 and restricts its movement. The wheelset rotation mechanism 3 is mounted on the lifting mechanism and includes a first state of contact with the wheelset 4 and a second state of disengagement from the wheelset 4. When the wheelset rotation mechanism 3 is in the first state, it can lift the wheelset 4, causing the wheelset 4 to disengage from the wheelset support mechanism 2 and drive the wheelset 4 to rotate. The lifting mechanism is used to drive the wheelset rotation mechanism 3 to rise and fall, thereby switching the wheelset rotation mechanism 3 between the first and second states. The lifting mechanism can specifically adopt a scissor-type lifting structure or a hydraulic column type lifting structure, without specific limitations.

[0031] The aforementioned wheelset transport vehicle utilizes the AGV body 1 to transport wheelsets 4, no longer limited to rail transport and eliminating the need for a rail mechanism. It also features automatic path planning, offering high flexibility. Furthermore, the wheelset support mechanism 2 on the AGV body 1 supports the wheelsets 4 during transport and restricts their movement, maintaining stability relative to the AGV body 1 and reducing the possibility of them detaching. The wheelset rotation mechanism 3 drives the wheelsets 4 to rotate, ensuring thorough cleaning without blind spots and achieving excellent cleaning results. Additionally, the wheelset rotation mechanism 3 is mounted on the lifting mechanism. When driving the wheelset 4 to rotate, it lifts the wheelset 4, disengaging it from the wheelset support mechanism 2, thus reducing friction between the wheelset 4 and the support mechanism 2 during rotation and extending the service life of the wheelset 4. Of course, the wheelset rotation mechanism 3 only contacts the wheelset 4 when driving the wheelset 4 to rotate, which can reduce the time when the wheelset 4, especially the heavy motorcycle wheelset 4, applies pressure to the wheelset rotation mechanism 3, which is beneficial to improving the service life of the wheelset rotation mechanism 3.

[0032] refer to Figure 2 and Figure 3As shown, the AGV body 1 includes a frame 11, steering wheels 12, navigation sensors 13, a battery, a PLC controller, and exterior sheet metal parts 17. The frame 11 is designed for heavy-duty loads. The exterior sheet metal parts 17 cover the frame 11. Four steering wheels 12 are located at the four corners of the bottom of the frame 11, and each steering wheel 12 can be driven independently to meet the power requirements when transporting heavy motorcycle wheelsets 4. Specifically, two of the four steering wheels 12 are shock-absorbing steering wheels to maintain the stability of the AGV body 1 when crossing ditches, bumps, etc., and to compensate for height differences during the manufacturing of the frame 11 or the installation of the steering wheels 12. The navigation sensors 13 are mounted on the exterior sheet metal parts 17 and are not limited to lidar or magnetic guidance sensors. A battery compartment is located in the middle of the frame 11, and the battery is housed inside. The PLC controller is located in a control cabinet mounted on the top of the frame 11 and is used to coordinate and control the operation of the entire wheelset transport vehicle.

[0033] In some embodiments, the AGV vehicle body 1 also includes a wireless communication module and a power management unit connected to a PLC controller. The wireless communication module can be connected to an external control device to achieve remote control, while the power management unit is used to manage the battery.

[0034] Based on the wireless communication module, the AGV body 1 is also equipped with an emergency stop button 15 connected to the PLC controller. In case of emergency, such as when the external control device fails, the movement of the AGV body 1 can be stopped by pressing the emergency stop button 15.

[0035] In some embodiments, the AGV body 1 also includes a crash bar 16 surrounding the exterior sheet metal 17 to provide a buffer when the AGV body 1 collides with an external object during its movement.

[0036] Understandably, the AGV body is waterproof to prevent water from entering and damaging the AGV body during the wheelset cleaning process.

[0037] refer to Figure 5 As shown, the wheelset support mechanism 2 includes two spaced-apart first support members 21. Each first support member 21 has a receiving groove, allowing the axle of the wheelset 4 to be placed within the groove, which restricts the movement of the wheelset 4. Specifically, the receiving groove is V-shaped to accommodate wheelsets 4 of different sizes supported by the first support members 21, thus improving the applicability of the wheelset transport vehicle. More specifically, the wheelset support mechanism 2 also includes mounting seats 22, of which two are spaced apart. The mounting seats 22 are bolted to the top of the AGV body 1, and the first support members 21 are correspondingly mounted on each mounting seat 22. The mounting seats 22 raise the height of the first support members 21, providing more clearance for the wheelsets 4.

[0038] In some embodiments, a connecting beam 24 is provided between the two mounting bases 22 to improve the structural strength of the mounting base 22.

[0039] It is understandable that some existing wheelsets 4 include a gearbox. In order to improve the support capacity of the wheelset 4, the wheelset support mechanism 2 also includes a second support member 23. The second support member 23 is disposed between the two first support members 21 and is used to support the gearbox of the wheelset 4.

[0040] refer to Figure 6 As shown, the wheelset rotation mechanism 3 includes at least two spaced-apart rotating wheel sets located between two first support members 21. Each rotating wheel set includes two spaced-apart rotating wheels 31, a wheel seat 32, and a rotation drive member 33. The wheel seat 32 is installed at the output end of the lifting mechanism, the rotating wheels 31 are installed in the wheel seat 32, and the rotation drive member 33 is connected to the rotating wheels 31 via a coupling. For example, the rotation drive member 33 is a servo motor. It can be understood that the rotation drive member 33 can be configured in a one-to-one correspondence with the rotating wheels 31, or only one of the two rotating wheels 31 in the rotating wheel set can be connected to the rotation drive member 33. That is, one of the two rotating wheels 31 in the rotating wheel set is the driving wheel, and the other is the driven wheel, to reduce the operating cost of the wheelset transport vehicle.

[0041] Specifically, in order to improve the stability of the wheelset 4 on the rotating wheel 31, an annular groove is provided on the rotating wheel 31, and the wheelset 4 is at least partially embedded in the groove, thereby restricting the axial movement of the wheelset 4 along the rotating wheel 31.

[0042] An embodiment of this utility model also proposes a wheelset cleaning system, including the aforementioned wheelset transport vehicle and cleaning device. The cleaning device is set at the cleaning station. The wheelset transport vehicle can transfer the wheelset 4 to the cleaning station where the cleaning device is located. The cleaning device is used to clean the wheelset 4. The cleaning device can be a conformal nozzle or a robot with a high-pressure water jet nozzle, without specific limitations.

[0043] The aforementioned wheelset cleaning system can automatically clean wheelset 4. During the transfer process, wheelset 4 is not restricted by the track and can plan its movement path according to the actual environment in the maintenance workshop, which is highly flexible.

[0044] This utility model also provides a wheelset cleaning method, which uses the above-mentioned wheelset cleaning system to clean the wheelset 4, mainly including the following steps:

[0045] S1. Loading of wheelset 4: The AGV body 1 receives the dispatching instruction, travels to the wheelset unloading area, lifts wheelset 4 onto the AGV body 1, and places it on the wheelset support mechanism 2. The wheelset support mechanism 2 supports and limits the wheelset 4 during the movement of the AGV body 1.

[0046] S2, Wheelset 4 Transportation: The AGV body 1 travels along the preset path to the cleaning station where the cleaning device is located. The navigation sensor 13 monitors the position and status of the AGV body 1 in real time to ensure driving safety.

[0047] S3, Wheelset 4 Cleaning: After the AGV body 1 arrives at the cleaning station, the lifting mechanism lifts the wheelset rotation mechanism 3, causing the wheelset 4 to detach from the wheelset support mechanism 2. The rotating wheel 31 supports the wheelset 4, and the wheelset 4 rotates under the power of the rotating drive component 33. Then the cleaning device is turned on to clean the wheelset 4.

[0048] S4, Wheelset 4 unloading: After wheelset 4 is cleaned, the lifting mechanism is lowered, and wheelset 4 is placed back on wheelset support mechanism 2. AGV body 1 receives the dispatching instruction, returns to the wheelset unloading area, and lifts wheelset 4 off AGV body 1.

[0049] The above-mentioned wheelset cleaning method can adjust the movement path of the AGV body according to the environmental changes in the maintenance workshop, which is highly flexible.

[0050] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A wheelset transport vehicle, characterized in that, include: AGV vehicle body (1); A wheelset support mechanism (2) is provided on the AGV body (1). The wheelset support mechanism (2) is used to support the wheelset (4) and restrict the movement of the wheelset (4). The wheelset rotation mechanism (3) includes a first state of abutting against the wheelset (4) and a second state of disengaging from the wheelset (4). When the wheelset rotation mechanism (3) is in the first state, it can lift the wheelset (4) and drive the wheelset (4) to rotate. A lifting mechanism is provided on the AGV body (1). The lifting mechanism is used to drive the wheel set rotation mechanism (3) to rise and fall, so that the wheel set rotation mechanism (3) switches between the first state and the second state.

2. The wheelset transport vehicle according to claim 1, characterized in that, The AGV vehicle body (1) includes a frame (11) and a steering wheel (12). The steering wheel (12) is located at the bottom of the frame (11) and includes a shock-absorbing steering wheel.

3. The wheelset transport vehicle according to claim 1, characterized in that, The AGV vehicle body (1) also includes a navigation sensor (13).

4. The wheelset transport vehicle according to claim 1, characterized in that, The wheelset support mechanism (2) includes two first support members (21) spaced apart. The first support member (21) is provided with a receiving groove, and the axle of the wheelset (4) can be placed in the receiving groove.

5. The wheelset transport vehicle according to claim 4, characterized in that, The receiving slot is configured as V-shaped.

6. The wheelset transport vehicle according to claim 4, characterized in that, The wheelset support mechanism (2) further includes a second support member (23), which is disposed between the two first support members (21) and is used to support the gearbox of the wheelset (4).

7. The wheelset transport vehicle according to claim 4, characterized in that, The wheelset rotation mechanism (3) includes at least two spaced-apart rotating wheel sets. Each rotating wheel set includes a wheel slot (32), a rotation drive (33), and two spaced-apart rotating wheels (31). The wheel slot (32) is installed at the output end of the lifting mechanism, the rotating wheels (31) are installed in the wheel slot (32), and the rotation drive (33) is connected to the rotating wheels (31).

8. The wheelset transport vehicle according to claim 7, characterized in that, The rotating wheel (31) is provided with an annular groove.

9. The wheelset transport vehicle according to any one of claims 1-8, characterized in that, The lifting mechanism adopts a scissor lift structure or a hydraulic column lift structure.

10. A wheelset cleaning system, characterized in that, It includes a cleaning device and a wheelset transport vehicle as described in any one of claims 1-9.

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