Multifunctional vehicle, zero-steering multifunctional vehicle and walking assembly

Abstract

The utility model relates to a multifunctional vehicle, a zero steering multifunctional vehicle and a walking assembly, the multifunctional vehicle comprises a vehicle frame, an operation assembly and the walking assembly, and the operation assembly is connected to the vehicle frame and used for executing outdoor operation; the walking assembly comprises a driving wheel, a traveling motor and a gear box; the gear box is provided with an output shaft connected with a driving wheel, the output shaft is sequentially provided with an output gear, an axial supporting piece and the driving wheel in the axial direction, the axial side wall of the output shaft and the inner wall of the gear box jointly abut against the axial supporting piece, and when the driving wheel rotates and generates acting force pointing to the axial supporting piece on the output shaft, the driving wheel is driven to rotate. And rolling friction is generated between the axial supporting piece and the inner wall of the gear box. Sliding friction between the output shaft and the gear box is changed into rolling friction by arranging the axial supporting piece, the friction force between the output shaft and the gear box is reduced to a larger extent, the output shaft or the gear box is prevented from being abraded more easily, and the service life is prolonged.

Description

[Technical field]

[0001] The utility model relates to the technical field of garden tools, in particular to a multifunctional vehicle, a zero-turn multifunctional vehicle and a traveling component. [Background Technology]

[0002] Among garden tools, multi-purpose vehicles generally refer to vehicles used for gardening operations, which are equipped with operating components for garden maintenance operations. In order to make the multi-purpose vehicle run smoothly, a gearbox structure for power transmission is generally required. Limited by the actual working environment, multi-purpose vehicles inevitably need to turn or drive on ramps during operation. When the vehicle turns or drives on a ramp, the wheels on the left and right sides will generate axial forces in the left and right directions. The existing technology lacks a design to alleviate this axial force, resulting in the axial force causing serious wear on the tire shaft and the gearbox, thereby reducing the service life of the multi-purpose vehicle.

[0003] In view of this, it is indeed necessary to provide a multi-functional vehicle, a zero-turn multi-functional vehicle and a travel assembly to overcome the defects of the prior art. [Contents of the utility model]

[0004] In view of the deficiencies of the prior art, the purpose of the present utility model is to provide a multi-purpose vehicle, a zero-turn multi-purpose vehicle and a travel assembly which can effectively alleviate the shortening of vehicle life caused by axial force.

[0005] The technical solution adopted by the utility model to solve the existing technical problems is:

[0006] A walking assembly, applied to a multi-purpose vehicle, comprising:

[0007] A driving wheel configured to contact the ground and be driven to move the multi-purpose vehicle;

[0008] A driving motor configured to output driving force to a driving wheel;

[0009] The gear box is arranged between the driving wheel and the travel motor and is used to transmit the driving force of the travel motor to the driving wheel;

[0010] The gearbox is equipped with an output shaft connected to the driving wheel, and the output shaft is sequentially equipped with an output gear, an axial support and the driving wheel along the axial direction. The axial side wall of the output shaft and the inner wall of the gearbox abut the axial support together. When the driving wheel rotates and generates a force on the output shaft directed toward the axial support, rolling friction is generated between the axial support and the inner wall of the gearbox.

[0011] A further improvement is as follows: the axial support member includes a rolling member and a retaining frame, the retaining frame is used to keep the relative positions of the rolling members unchanged, when the output shaft rotates and abuts against the axial support member, the rolling member simultaneously rotates and revolves, the axis of rotation of the rolling member is the radial direction of the output shaft, and the axis of revolution of the rolling member is the axial direction of the output shaft.

[0012] A further improvement is as follows: the circumferential side wall of the output shaft is provided with an axial surface step, the inner wall of the gear box is provided with an inner box step, and the axial support is sleeved on the output shaft and abuts against the axial surface step and the inner box step on both sides respectively.

[0013] A further improvement is that a gasket is disposed on one side of the axial support member and at least partially covers the rolling member in the radial direction of the output shaft.

[0014] A further improvement is that the gasket completely covers the rolling element along the radial direction of the output shaft.

[0015] A further improvement is that the circumferential side wall of the output shaft and the inner wall of the gear box are jointly provided with a radial support member, the radial support member includes an inner ring and an outer ring, and when the inner ring of the radial support member rotates with the driving wheel, rolling friction exists between the inner ring and the outer ring of the radial support member.

[0016] A further improvement is that: the output shaft is provided with an axial counter-support, the axial counter-support is arranged on the side of the output gear away from the driving wheel, and the axial counter-support includes the rolling element and the retaining frame.

[0017] A further improvement is that the axial counter-support, output gear, axial support and driving wheel are sequentially arranged on the output shaft.

[0018] The utility model also discloses a zero-turn multifunctional vehicle, comprising:

[0019] Frame;

[0020] A user platform, configured on the frame and used to carry a user;

[0021] An operating component, which is configured on the vehicle frame and is used to perform outdoor operations;

[0022] A travel assembly, including a left travel assembly and a right travel assembly, configured to enable the zero-turn vehicle to travel;

[0023] A battery pack is arranged on the frame and is used to supply power to the working components and the traveling components;

[0024] A control mechanism, configured to be controlled by a user and send a travel signal to the walking mechanism;

[0025] The left walking component and the right walking component include:

[0026] a drive wheel configured to contact the ground and be driven to move the zero-turn multi-purpose vehicle;

[0027] A driving motor configured to output driving force to a driving wheel;

[0028] The gear box is arranged between the driving wheel and the travel motor and is used to transmit the driving force of the travel motor to the driving wheel;

[0029] The gearbox is equipped with an output shaft connected to the driving wheel, and the output shaft is sequentially equipped with an output gear, an axial support and the driving wheel along the axial direction. The axial side wall of the output shaft and the inner wall of the gearbox abut the axial support together. When the driving wheel rotates and generates a force on the output shaft directed toward the axial support, rolling friction is generated between the axial support and the inner wall of the gearbox.

[0030] The utility model also discloses a multifunctional vehicle, comprising:

[0031] Frame;

[0032] An operating component, which is configured on the vehicle frame and is used to perform outdoor operations;

[0033] Walking components, including:

[0034] A driving wheel configured to contact the ground and be driven to move the multi-purpose vehicle;

[0035] A driving motor configured to output driving force to a driving wheel;

[0036] The gear box is arranged between the driving wheel and the travel motor and is used to transmit the driving force of the travel motor to the driving wheel;

[0037] The gearbox is equipped with an output shaft connected to the driving wheel, and the output shaft is sequentially equipped with an output gear, an axial support and the driving wheel along the axial direction. The axial side wall of the output shaft and the inner wall of the gearbox abut the axial support together. When the driving wheel rotates and generates a force on the output shaft directed toward the axial support, rolling friction is generated between the axial support and the inner wall of the gearbox.

[0038] Compared with the prior art, the utility model has the following beneficial effects:

[0039] The utility model reduces friction loss by configuring an axial support member between the output shaft and the gear box. Specifically, the axial support member changes the sliding friction between the output shaft and the gear box into rolling friction, thereby reducing the friction between the two to a greater extent, preventing the output shaft or the gear box from being relatively easily subjected to greater wear, thereby extending the service life.

[0040] The axial support member of the utility model comprises a rolling member and a retaining frame. The rolling member simultaneously rotates and revolves to change the sliding friction between the output shaft and the gear box into rolling friction, thereby reducing friction loss and extending the service life of the gear box and the output shaft. [Drawings]

[0041] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings:

[0042] Figure 1 It is a three-dimensional view of the multi-functional vehicle of the utility model;

[0043] Figure 2 It is a cutaway schematic diagram of the gearbox in the utility model;

[0044] Figure 3 yes Figure 2 A three-dimensional schematic diagram of the structure of the middle part;

[0045] Figure 4 It is a three-dimensional schematic diagram of the output shaft in the utility model;

[0046] Figure 5 This is a partial exploded schematic diagram of the output shaft in the utility model;

[0047] Figure 6 yes Figure 3 A magnified schematic diagram of the structure of part A;

[0048] Figure 7 It is a structural schematic diagram of the axial support member and the gaskets on both sides in the utility model.

[0049] Meaning of the reference numerals in the figures:

[0050] 1. Frame; 2. Cutting table; 3. Seat; 4. Driving wheel; 5. Gearbox; 6. Output shaft; 7. Axial step; 8. Output gear; 9. First gasket; 10. First radial support; 11. Second gasket; 12. Axial counter-support; 13. Axial support; 131. Cage; 132. Rolling element; 14. Second radial support; 15. First box inner step; 16. Second box inner step. [Specific implementation method]

[0051] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. For example, the words "upper", "lower", "front", "back" and the like indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0052] Unless otherwise specified, the terms "disposed", "connected" and "connected" in this utility model 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 directly connected or indirectly connected through an intermediate medium. "Fixed connection" in this utility model should also be understood in a broad sense as integral molding or welding or connection through other fasteners.

[0053] See also Figure 1 , shown is a multifunctional vehicle disclosed in the utility model, including a frame 1, an operating component and a traveling component. The operating component is connected to the frame 1 and is used to perform outdoor operations; the figure shows that the operating component of this embodiment is a cutting table 2 connected to the frame 1, and a mowing motor and a blade are arranged in the cutting table 2. When mowing, the mowing motor drives the blade to rotate to achieve mowing. In other embodiments, the operating component can select components such as snow sweeping, snow blowing, snow shoveling, flushing, buckets, or components for grabbing and carrying goods. Those skilled in the art should be able to adaptably replace the operating components in this embodiment with various functional components without creative work, and the above should all be included in the protection scope of this embodiment.

[0054] The travel assembly in this embodiment includes: a driving wheel 4, a traveling motor (not shown in the figure), and a gear box 5; the traveling motor and the gear box 5 are installed on the frame 1, and the driving wheel 4 is connected to the gear box 5; the traveling motor is configured to output a driving force to the driving wheel 4 to drive the multi-functional vehicle to travel, and the gear box 5 is configured between the driving wheel 4 and the traveling motor, and is used to transmit the driving force of the traveling motor to the driving wheel 4; the gear box 5 can be configured as a reducer with a gear structure, which has a certain reduction ratio, and reduces the speed output by the motor and transmits it to the driving wheel 4, while also increasing the torque of the driving wheel 4, so that the driving speed of the vehicle is more stable; in addition, since the gear box 5 is configured between the traveling motor and the driving wheel 4, and the two are connected by a transmission structure such as a gear, the connection mode between the traveling motor and the driving wheel 4 is an indirect connection, and this indirect connection mode liberates the positional relationship of the direct connection between the traveling motor and the driving wheel 4, that is, technicians in this field can adjust the position of the traveling motor according to the actual space and center of gravity requirements, and increase the feasibility space of the arrangement of the physical structure position.

[0055] It is particularly noted that the aforementioned gearbox 5 is arranged between the driving wheel 4 and the traveling motor, which is not limited to the spatial position of the gearbox 5 being arranged between the driving wheel 4 and the traveling motor. Instead, it should be understood that the gearbox 5 is located between the driving wheel 4 and the traveling motor in the power transmission path, that is, the power output by the traveling motor is transmitted to the driving wheel 4 via the gearbox 5.

[0056] like Figure 2As shown, the gear box 5 is provided with an output shaft 6 connected to the driving wheel 4, and the output shaft 6 is provided with an output gear 8, an axial support 13 and the driving wheel 4 ( Figure 2 The axial side wall of the output shaft 6 and the inner wall of the gear box 5 abut against the axial support 13. When the driving wheel 4 rotates and generates a force on the output shaft 6 directed toward the axial support 13, rolling friction is generated between the axial support 13 and the inner wall of the gear box 5.

[0057] When the output shaft 6 rotates and contacts the axial support, rolling friction is generated between the contact surfaces of the output shaft 6 and the axial support 13, that is, the contact surfaces of the two will not generate sliding friction during operation, thereby avoiding friction loss caused by relative sliding. It should be noted that: gaskets and other structures may be arranged between the two sides of the axial support 13 and the axial side walls of the output shaft 6, but at this time, the gaskets and other structures are relatively stationary with the output shaft 6 and generate rolling friction with the axial support 13. At this time, the gaskets and other structures should be regarded as integrated with the output shaft 6, that is, they should not be understood as exceeding the aforementioned protection range. Rolling friction is also generated at the connection between the axial support 13 and the inner wall of the gear box 5, which is also used to avoid friction loss caused by relative sliding at the connection between the two.

[0058] When the multi-purpose vehicle turns or there is a height difference between the left and right ends, the multi-purpose vehicle will be subjected to lateral force: when the multi-purpose vehicle turns, the centrifugal force of the multi-purpose vehicle makes it tend to move outward; when there is a height difference between the two sides of the multi-purpose vehicle, gravity tends to make the multi-purpose vehicle move to the lower side; in these cases, the tires provide a reverse force to prevent the multi-purpose vehicle from slipping. During the transmission of the above force, the output shaft 6 located between the drive wheel 4 and the frame 1 will be subjected to a large axial force. In order to maintain the structural stability of the multi-purpose vehicle, it is necessary to provide a reverse support force inside the multi-purpose vehicle to prevent the output shaft 6 from shifting inside the multi-purpose vehicle. At the same time, because the output shaft 6 is in a rotating state, but the gear box 5 connected to the output shaft 6 does not rotate, an axial support member 13 is configured in this embodiment. The two ends of the axial support member 13 respectively abut the gear box 5 and the output shaft 6, and both sides of the axial support member 13 generate rolling friction with the adjacent surfaces.

[0059] Reference Figure 4 , Attachment Figure 7The axial support 13 includes a rolling member 132 and a retaining frame 131. The retaining frame 131 is used to keep the relative positions of each rolling member 132 unchanged. When the output shaft 6 rotates and contacts the axial support 13, the rolling member 132 rotates and revolves simultaneously. The axis of rotation of the rolling member 132 is the radial direction of the output shaft 6, and the axis of revolution of the rolling member 132 is the axial direction of the output shaft 6. The retaining frame 131 rotates around the axial direction of the output shaft 6 when the axial support 13 is working and is used to limit the positions of each rolling member 132 to remain unchanged.

[0060] Furthermore, the retainer 131 is an annular plate structure, and a groove for accommodating the rolling element 132 is provided on the retainer 131. The rolling element 132 can be spherical, ellipsoidal, spindle-shaped, cylindrical, truncated cone-shaped, conical or other rotary structures; Figure 6 The rolling element 132 in this embodiment is of cylindrical structure, and its circumferential surface can bear a large load and keep rotating during operation, so as to maintain a relatively low friction between the output shaft 6 and the inner wall of the gear box 5, thereby reducing friction loss.

[0061] The circumferential side wall of the output shaft 6 is provided with an axial surface step 7, the inner wall of the gear box 5 is provided with a first box inner step 15, and the axial support member 13 is sleeved on the output shaft 6 and abuts against the axial surface step 7 and the first box inner step 15 on both sides. Figure 2 , Attachment Figure 4 , Attachment Figure 7 As shown, in this embodiment, both sides of the axial support 13 are directly in contact with gaskets, and the sides of the two gaskets away from the axial support 13 are directly in contact with the axial surface step 7 and the first box inner step 15. During operation, the axial surface step 7 transmits the axial force to the axial support 13 through the gasket, and the axial support 13 then transmits the axial force to the gear box 5 through the gasket. In the above force transmission process, the existence of the axial support 13 avoids direct friction between the output shaft 6 and the inner wall of the gear box 5, reducing friction loss.

[0062] It is particularly noted that the function of the above-mentioned gasket is that the contact surface of the axial support 13 covers more of the rolling element 132 in the radial contour of the output shaft 6, that is, the entire circumferential surface of the rolling element 132 can be well in contact with the output shaft 6. In other embodiments, the gaskets on both sides of the axial support 13 should completely cover the rolling element 132 in the radial contour of the output shaft 6, but at this time, the contour of the component directly in contact with the gasket does not need to meet the above conditions. In summary: the components located on both sides of the axial support 13 and in direct contact with the axial support 13 are preferably completely covered with the rolling element 132 in the radial contour of the output shaft 6.

[0063] The circumferential side wall of the output shaft 6 is provided with a radial support member, which includes an inner ring and an outer ring. When the inner ring of the radial support member rotates with the driving wheel 4, rolling friction occurs between the inner ring and the outer ring of the radial support member. The radial support member may be a deep groove ball bearing, a needle bearing or the like. When the multi-functional vehicle is traveling, the contact surface between the radial support member and the output shaft 6 does not slide relative to each other. The radial support member is used to fix the output shaft 6 and the gear box 5 in the radial direction of the output shaft 6. When the vehicle is supported on the ground, the weight of the frame 1 is supported on the driving wheel 4 via the gear box 5, the radial support member and the output shaft 6.

[0064] Reference Figure 3 , Attachment Figure 5 In this embodiment, two radial supports are arranged on the output shaft 6: a first radial support 10 and a second radial support 14. The first radial support 10 and the second radial support 14 are respectively located on both sides of the output gear 8 for better supporting the multi-functional vehicle in the vertical direction.

[0065] Reference Figure 2 , Attachment Figure 3 , Attachment Figure 5 , Attachment Figure 6 In this embodiment, an axial counter support 12 (attached Figure 5 The gaskets on both sides of the axial counter-support 12 are not shown in the figure. The axial counter-support 12 is arranged on the side of the output gear 8 away from the driving wheel 4. The axial counter-support 12 includes the rolling element 132 and the retaining frame 131 as described above. Further, the axial counter-support 12, the first radial support 10, the output gear 8, the axial support 13, and the driving wheel 4 are sequentially arranged on the output shaft 6. The axial support 13 and the axial counter-support 12 are respectively used to bear the forces in the positive and negative directions along the axial direction of the output shaft 6.

[0066] Reference Figure 2 , Attachment Figure 3 , Attachment Figure 6 In this embodiment, one side of the axial step 7 is sequentially provided with an output gear 8, a first gasket 9, a first radial support member 10, a second gasket 11, and an axial counter-support member 12. The above components all penetrate the output shaft 6 and abut against each other in sequence. The gearbox 5 is provided with a second box inner step 16 at the position corresponding to the axial counter-support member 12. The side of the axial counter-support member 12 away from the second gasket 11 abuts against the second box inner step 16. In this embodiment, the first radial support member 10 is a deep groove ball bearing, and the first gasket 9 and the second gasket 11 abut against the two sides of the inner ring of the deep groove ball bearing, respectively.

[0067] Reference Figure 2 , Attachment Figure 3The axial surface step 7 is in contact with an axial support member 13 on one side close to the driving wheel 4 , and the gear box 5 is provided with a first box inner step 15 close to the axial support member 13 , and the axial support member 13 is in contact with the first box inner step 15 .

[0068] Reference Figure 2 , Attachment Figure 3 , Attachment Figure 4 A second radial support member 14 is disposed on the side of the output shaft 6 close to the driving wheel 4. In this embodiment, the second radial support member 14 is a needle bearing.

[0069] Reference Figure 2 In this embodiment, the axial counter support 12 carries the output shaft 6 to the left of the gear box 5 (with the attached Figure 2 Taking the pressure of the output shaft 6 as an example, the same below), the axial support 13 bears the pressure of the output shaft 6 on the gear box 5 to the right. Because the pressures in the above two directions may appear when the vehicle is working normally, the configuration of the axial support 13 and the axial counter-support 12 in a gear box 5 can avoid the technical problem of severe wear of the output shaft 6 and the gear box 5 due to the axial force to the greatest extent.

[0070] Different from the above-mentioned embodiment, the utility model also discloses a zero-turn multi-functional vehicle, which is equipped with a control mechanism, a battery pack, and a user platform connected to the frame 1 and used to carry a user, and the user platform is a seat 3 (such as Figure 2 As shown in FIG. 1 , the seat 3 is connected to the frame 1; in other embodiments, the user platform may also be a standing platform for the user to stand on. The control mechanism is configured to be controlled by the user to send a travel signal to the walking mechanism, and the battery pack is configured on the frame 1 and is used to supply power to the working component and the walking component; the above-mentioned control mechanism is a conventional technical means that should be mastered by those skilled in the art, and will not be described in detail here.

[0071] In particular, different from the above-mentioned embodiments, the present invention also discloses Figure 2 A riding lawn mower shown includes a frame 1, a seat 3, a cutting platform 2, a battery pack, a control mechanism, and a travel assembly, wherein the seat 3 is arranged on the upper side of the frame 1 and is used for a user to sit on, the cutting platform 2 is arranged on the lower side of the frame 1 and is used for mowing, the control mechanism is configured to be controlled by the user and send a travel signal to the travel mechanism, the battery pack is arranged on the frame 1 and is used to supply power to the cutting platform 2 and the travel assembly; the travel assembly includes a left travel assembly and a right travel assembly, which are configured to make the riding lawn mower travel; wherein the left travel assembly and the right travel assembly are the same as the travel assembly of the aforementioned multi-purpose vehicle.

[0072] It is additionally noted that the battery pack in the above embodiment is arranged on the frame 1 and is detachably connected to the frame 1. The battery pack includes a plurality of battery cells. The plurality of battery cells can be selected from at least one of the first specification battery pack and the second specification battery pack. The specification differences between the first specification battery pack and the second specification battery pack include but are not limited to differences in battery pack capacity, voltage, battery internal resistance, weight, size, energy density, cell type, charge information, battery health status information, etc.

[0073] In some optional embodiments, the difference between the first specification battery pack and the second specification battery pack is the different battery pack capacities. The capacity of the first specification battery pack is greater than the capacity of the second specification battery pack. The second specification battery pack is configured to provide power for handheld garden tools. For example, the second specification battery pack can power garden tools such as lawn mowers, pruning machines, hair dryers, and chain saws. In addition, the second specification battery pack can also power torque output tools such as electric drills and electric hammers; power sawing tools such as electric circular saws, jigsaws, and reciprocating saws, or power grinding tools such as angle grinders and sanders.

[0074] In some optional embodiments, the difference between the first specification battery pack and the second specification battery pack is that the types of battery cells used are different. For example, the first specification battery pack and the second specification battery pack can respectively use lithium iron phosphate battery cells and ternary lithium battery cells. Multiple battery cells in the battery pack can also use nickel-chromium battery cells, lead-acid battery cells, graphene battery cells, etc.

[0075] The multiple battery cells of the battery pack are selected from at least one of the first specification battery pack and the second specification battery pack. This allows the multi-functional vehicle to be compatible with battery packs of different specifications, meeting high-power working requirements while also being able to adapt to handheld electric gardening tools, making the working methods of gardening staff more flexible.

[0076] Different from the above-mentioned embodiments, the utility model also discloses a walking assembly as described above, which is used to adapt to various multi-functional vehicles and provide necessary conditions for the driving of the multi-functional vehicles. Similarly, the walking assembly is not only suitable for lawn mowers, but also for snow blowers, snow sweepers, and sweepers, such as riding snow blowers, riding snow sweepers, riding sweepers, or other riding agricultural machinery and other multi-functional vehicles. In fact, as long as these tools include the above-mentioned description of the present application, they all fall within the protection scope of the present application.

[0077] The present invention is not limited to the above specific embodiments. A person skilled in the art can easily understand that there are many alternatives to the multifunctional vehicle and the travel assembly of the present invention without departing from the principle and scope of the present invention. The protection scope of the present invention shall be subject to the content of the claims.

Claims

1. A traveling assembly, applied to a multi-purpose vehicle, characterized in that: include: A driving wheel configured to contact the ground and be driven to move the multi-purpose vehicle; A driving motor configured to output driving force to a driving wheel; The gear box is arranged between the driving wheel and the travel motor and is used to transmit the driving force of the travel motor to the driving wheel; The gearbox is equipped with an output shaft connected to the driving wheel, and the output shaft is sequentially equipped with an output gear, an axial support and the driving wheel along the axial direction. The axial side wall of the output shaft and the inner wall of the gearbox abut the axial support together. When the driving wheel rotates and generates a force on the output shaft directed toward the axial support, rolling friction is generated between the axial support and the inner wall of the gearbox.

2. The walking assembly according to claim 1, characterized in that: The axial support member includes a rolling member and a retaining frame, and the retaining frame is used to keep the relative positions of each rolling member unchanged. When the output shaft rotates and abuts against the axial support member, the rolling member rotates and revolves simultaneously. The axis of rotation of the rolling member is the radial direction of the output shaft, and the axis of revolution of the rolling member is the axial direction of the output shaft.

3. The walking assembly according to claim 2, characterized in that: The circumferential side wall of the output shaft is provided with an axial surface step, the inner wall of the gear box is provided with an inner box step, and the axial support member is sleeved on the output shaft and abuts against the axial surface step and the inner box step on both sides respectively.

4. The walking assembly according to claim 3, characterized in that: A gasket is disposed on one side of the axial support member and at least partially covers the rolling member in the radial direction of the output shaft.

5. The walking assembly according to claim 4, characterized in that: The gasket completely covers the rolling element along the radial direction of the output shaft.

6. The walking assembly according to claim 2, characterized in that: The circumferential side wall of the output shaft and the inner wall of the gear box are jointly provided with a radial support member, and the radial support member includes an inner ring and an outer ring. When the inner ring of the radial support member rotates with the driving wheel, rolling friction exists between the inner ring and the outer ring of the radial support member.

7. The walking assembly according to claim 6, characterized in that: The output shaft is provided with an axial counter-support, which is located on a side of the output gear away from the driving wheel, and includes the rolling element and the retaining frame.

8. The walking assembly according to claim 7, characterized in that: The axial counter-support, the output gear, the axial support and the driving wheel are sequentially arranged on the output shaft.

9. A zero-turn multi-purpose vehicle, characterized in that: include: Frame; A user platform, configured on the frame and used to carry a user; An operating component, which is configured on the vehicle frame and is used to perform outdoor operations; A travel assembly, including a left travel assembly and a right travel assembly, configured to enable the zero-turn vehicle to travel; A battery pack is arranged on the frame and is used to supply power to the working components and the traveling components; A control mechanism, configured to be controlled by a user and send a travel signal to the walking mechanism; The left walking component and the right walking component include: a drive wheel configured to contact the ground and be driven to move the zero-turn multi-purpose vehicle; A driving motor configured to output driving force to a driving wheel; The gear box is arranged between the driving wheel and the travel motor and is used to transmit the driving force of the travel motor to the driving wheel; The gearbox is equipped with an output shaft connected to the driving wheel, and the output shaft is sequentially equipped with an output gear, an axial support and the driving wheel along the axial direction. The axial side wall of the output shaft and the inner wall of the gearbox abut the axial support together. When the driving wheel rotates and generates a force on the output shaft directed toward the axial support, rolling friction is generated between the axial support and the inner wall of the gearbox.

10. A multi-functional vehicle, characterized in that: include: Frame; An operating component, which is configured on the vehicle frame and is used to perform outdoor operations; Walking components, including: A driving wheel configured to contact the ground and be driven to move the multi-purpose vehicle; A driving motor configured to output driving force to a driving wheel; The gear box is arranged between the driving wheel and the travel motor and is used to transmit the driving force of the travel motor to the driving wheel; The gearbox is equipped with an output shaft connected to the driving wheel, and the output shaft is sequentially equipped with an output gear, an axial support and the driving wheel along the axial direction. The axial side wall of the output shaft and the inner wall of the gearbox abut the axial support together. When the driving wheel rotates and generates a force on the output shaft directed toward the axial support, rolling friction is generated between the axial support and the inner wall of the gearbox.

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