Multifunctional operation vehicle and multifunctional garden vehicle

Abstract

The utility model relates to a multifunctional operation vehicle and a multifunctional garden vehicle. The vehicle comprises a vehicle frame, a driving walking assembly, an outdoor operation component, a shaft sleeve and a driven wheel. The driven wheels passively rotate when the driving walking assembly works to drive the vehicle to walk; the driven wheel is connected with a pivotal shaft, the pivotal shaft is coaxially and rotatably connected to a shaft sleeve, the pivotal shaft and the shaft sleeve are jointly provided with a detection part, and the detection part is used for measuring the rotation amount of the pivotal shaft relative to the shaft sleeve. The detection part is arranged at the shaft sleeve and the pivot shaft of the driven wheel, so that the rotation amount of the driven wheel can be detected in real time, the real-time motion state of the driven wheel can be obtained, a whole vehicle controller can conveniently adjust the driving wheel according to the motion state of the driven wheel, and the vehicle can work in a state expected by a user.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle engineering, and particularly relates to a multi-functional operation vehicle and a multi-functional garden vehicle. Background Art

[0002] Garden vehicles generally refer to vehicles used for garden operations outdoors, mainly including vehicles for operations such as cutting and maintaining gardens.

[0003] Taking a lawn mower as an example: The lawn mower among garden vehicles is one of the garden operation vehicles with relatively fast development speed in recent years. A cutting table for cutting and maintaining grass is provided on it. The driving wheels of the lawn mower are the rear wheels, and the front wheels are universal wheels; that is, the rear wheels push the lawn mower forward from the rear, and the user controls the straight running or turning of the vehicle by controlling the rotation speeds of the two driving wheels on both sides.

[0004] During the working process of the vehicle, the direction of the front wheels is affected by various situations such as road conditions, vehicle control, and insufficient tire pressure and is in an uncontrollable state, so that the vehicle cannot obtain the state of the front wheels in real time, that is, it cannot adjust the control of the driving wheels according to the state of the front wheels, and the vehicle cannot be better controlled by the vehicle computer for its body posture.

[0005] In the prior art, the above technical problems exist in garden vehicles, so it is particularly important to propose a multi-functional operation vehicle that can solve the above technical problems. Summary of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a multi-functional vehicle that can obtain the state of the front wheels in real time.

[0007] The technical solution adopted by the utility model to solve the problems of the prior art is as follows:

[0008] A multi-functional operation vehicle includes:

[0009] A vehicle frame;

[0010] A driving walking assembly, configured on the vehicle frame, for driving the driving wheels of the multi-functional operation vehicle to rotate;

[0011] An outdoor operation component, configured on the vehicle frame, for performing outdoor operations;

[0012] A bushing, configured on the vehicle frame;

[0013] A driven wheel, configured on the vehicle frame, which rotates passively when the driving walking assembly works to drive the vehicle to move; the driven wheel is connected with a pivot shaft, and the pivot shaft is coaxially rotatably connected to the bushing;

[0014] The pivot shaft and the bushing are jointly provided with a detection part for measuring the rotation amount of the pivot shaft relative to the bushing.

[0015] A further improvement is that the multi-functional work vehicle further includes a retaining member for defining the positional relationship between the pivot shaft and the bushing, and the retaining member connects the pivot shaft and the bushing.

[0016] A further improvement is that the retaining member includes a first bearing. An axial surface step is provided on the outer wall of the pivot shaft, and a first sleeve surface step is provided on the inner wall of the bushing. The two axial sides of the first bearing respectively abut against the axial surface step and the first sleeve surface step.

[0017] A further improvement is that the retaining member further includes a second bearing. The pivot shaft is connected with an axial surface protrusion, and a second sleeve surface step is provided on the inner wall of the bushing. The two axial sides of the second bearing respectively abut against the axial surface protrusion and the second sleeve surface step;

[0018] Both the first sleeve surface step and the second sleeve surface step are located between the first bearing and the second bearing.

[0019] A further improvement is that the detection part includes a magnetic element and a Hall induction element. One of the magnetic element and the Hall induction element is fixed to the bushing, and the other is fixed to the pivot shaft.

[0020] A further improvement is that the driven wheel includes:

[0021] A wheel frame that rotates relative to the vehicle frame around a first axis, and the first axis points downward to the ground;

[0022] A wheel body that rotates relative to the wheel frame around a second axis, and the second axis is parallel to the ground;

[0023] The bushing includes a first bushing fixed to the vehicle frame, the pivot shaft includes a first pivot shaft fixed to the wheel frame and coaxially rotatably connected to the first bushing, and the detection part includes a first detection part arranged between the first bushing and the first pivot shaft.

[0024] A further improvement is that the first detection part includes a first Hall induction element and a first magnetic element;

[0025] The first bushing is fixedly provided with a first end cover, the first Hall induction element is fixedly arranged on the first end cover, and the first magnetic element is fixedly arranged on the first pivot shaft.

[0026] A further improvement is that the first detection part is coupled to the vehicle controller of the multi-functional work vehicle through a signal line. A wire groove is provided on the first bushing or the end cover cooperating with the first bushing, and the signal line penetrates through the wire groove.

[0027] A further improvement solution is as follows: The pivot shaft includes a second pivot shaft fixed to the wheel carrier, the shaft sleeve includes a second shaft sleeve fixed to the wheel body and rotatable coaxially with the second pivot seat, and the detection part includes a second detection part disposed between the second shaft sleeve and the second pivot shaft.

[0028] A further improvement solution is as follows: The second detection part includes a second Hall induction element and a second magnetic element;

[0029] The second shaft sleeve is fixedly provided with a second end cover, the Hall induction element is fixedly provided on the second pivot shaft, and the magnetic element is fixedly provided on the second end cover.

[0030] The present utility model also discloses a multifunctional garden vehicle, including:

[0031] A vehicle frame;

[0032] A garden operation component, disposed on the vehicle frame and used for performing garden operations;

[0033] A driving walking assembly, disposed on the vehicle frame and used for driving the driving wheels of the multifunctional operation vehicle to rotate;

[0034] A shaft sleeve, disposed on the vehicle frame;

[0035] A power supply system, disposed on the vehicle frame and used for supplying power to at least the garden operation component;

[0036] A driven wheel, disposed on the vehicle frame, and the driven wheel rotates passively when the driving walking assembly works to drive the vehicle to move; the driven wheel is connected with a pivot shaft, and the pivot shaft is rotatably connected coaxially with the shaft sleeve;

[0037] The pivot shaft and the shaft sleeve are jointly provided with a detection part, and the detection part is used for measuring the rotation amount of the pivot shaft relative to the shaft sleeve.

[0038] The present utility model also discloses another multifunctional garden vehicle, including:

[0039] A vehicle frame;

[0040] A garden operation component, disposed on the vehicle frame and used for performing garden operations;

[0041] A driving walking assembly, disposed on the vehicle frame and used for driving the driving wheels of the multifunctional operation vehicle to rotate;

[0042] A shaft sleeve, disposed on the vehicle frame;

[0043] A battery pack, detachably disposed on the vehicle frame and used for supplying power to at least the garden operation component;

[0044] The driven wheel is arranged on the vehicle frame and rotates passively when the active traveling assembly works to drive the vehicle to travel; the driven wheel is connected with a pivot shaft, and the pivot shaft is rotatably connected to a shaft sleeve coaxially.

[0045] The pivot shaft and the shaft sleeve are jointly provided with a detection part, and the detection part is used for measuring the rotation amount of the pivot shaft relative to the shaft sleeve.

[0046] Compared with the prior art, the utility model has the following beneficial effects:

[0047] By jointly arranging the detection part at the shaft sleeve and the pivot shaft of the driven wheel, the utility model realizes the real-time detection of the rotation amount of the driven wheel, and further obtains the real-time motion state of the driven wheel, which is convenient for the vehicle controller to adjust the driving wheel according to the motion state of the driven wheel and make the vehicle work in the state expected by the user. [Description of the Drawings]

[0048] The following further describes the specific embodiments of the utility model in detail with reference to the drawings:

[0049] Figure 1 is a perspective view of one embodiment of the multifunctional operation vehicle of the utility model;

[0050] Figure 2 is an exploded view of a part of the first pivot shaft in one embodiment of the utility model;

[0051] Figure 3 is a sectional view of a part of the first pivot shaft in one embodiment of the utility model;

[0052] Figure 4 is a structural view of a part of the first pivot shaft in one embodiment of the utility model with the first shaft sleeve hidden;

[0053] Figure 5 is a perspective view of another embodiment of the multifunctional operation vehicle of the utility model;

[0054] Figure 6 is an exploded view of a part of the second pivot shaft in one embodiment of the utility model;

[0055] Figure 7 、 8 、9 are all perspective views of another embodiment of the multifunctional operation vehicle of the utility model.

[0056] The meanings of the reference numerals in the drawings:

[0057] 1, vehicle frame; 2, driving wheel; 3, driven wheel; 4, cutting table; 5, seat; 6, steering rod;

[0058] 301. Wheel carrier; 302. First pivot shaft; 303. First bushing; 304. First bearing; 305. Second bearing; 306. First magnetic element; 307. First Hall induction element; 308. First end cap; 309. Pressure plate; 310. Oil seal

[0059] 3031. First sleeve surface step; 3032. Second sleeve surface step; 3033. Wire groove

[0060] 311. Wheel body; 312. Second pivot shaft; 313. Second bushing; 314. Second Hall induction element; 315. Second magnetic element; 316. Second end cap [Specific implementation manner]

[0061] The terms used in the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. For example, the terms such as "upper", "lower", "front", "rear", etc. indicating the orientation or position relationship are only based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device referred to must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model.

[0062] Unless otherwise specified, the terms "arranged", "connected" and "coupled" in the present 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. The "fixed connection" in the present utility model should also be understood in a broad sense as being integrally formed, welded or connected by other fasteners.

[0063] This embodiment discloses a multi-functional work vehicle. Refer to the attached Figure 1 , including a vehicle frame 1, a driving walking assembly, and an outdoor working component; wherein the driving walking assembly and the outdoor working component are arranged on the vehicle frame 1. The driving walking assembly is used to drive the driving wheel 2 of the multi-functional work vehicle to rotate to realize vehicle driving, and the outdoor working component is used to perform outdoor work.

[0064] The multi-functional work vehicle in this embodiment further includes a bushing and a driven wheel 3 that are directly or indirectly arranged on the vehicle frame 1; wherein, the driven wheel 3 rotates passively when the driving walking assembly works to drive the vehicle to move, that is, the driven wheel 3 is not directly driven by the driving walking assembly.

[0065] The driven wheel 3 is fixedly connected with a pivot shaft, and the pivot shaft is coaxially rotatably connected to the bushing, that is, the bushing has a certain limiting effect on the pivot shaft; further, a detection part is jointly arranged on the pivot shaft and the bushing in this embodiment, and the detection part is used to measure the rotation amount of the pivot shaft relative to the bushing.

[0066] Further, the rotation amount of the pivot shaft relative to the bushing is the same as the rotation amount of the driven wheel 3 relative to the bushing. By this rotation amount, the rotation condition of the driven wheel 3 can be obtained, and thus the motion state of the driven wheel 3 can be calculated, facilitating the vehicle to more quickly and sensitively reflect the motion condition of the whole vehicle.

[0067] Specifically, in this embodiment, the driven wheel 3 is located in the front of the vehicle, and the driving wheels 2 are located in the rear of the vehicle. When the vehicle is running, the driving wheels 2 push the vehicle forward in the rear of the vehicle. If the rotational speeds of the two driving wheels 2 of the vehicle are inconsistent, the vehicle will turn, and the center of the turning radius of the driving wheels 2 (i.e., the steering center) is located on the connection line of the axes of the two driving wheels 2 or the extension line of the connection line.

[0068] Compared with the driving wheels 2, the driven wheel 3 is farther from the steering center of the driving wheels 2. When the vehicle turns, the driven wheel 3 will also rotate around the turning radius of the driving wheels 2. Because it is farther from the turning radius, when the vehicle turns, the movement amount of the driven wheel 3 around the steering center will be significantly greater than that of the driving wheels 2 and is also easier to be detected. Therefore, in this embodiment, a detection part is arranged on the driven wheel 3, and the turning information of the vehicle can be detected more accurately.

[0069] Further, the multi-functional work vehicle further includes a holding member for defining the positional relationship between the pivot shaft and the bushing. The holding member connects the pivot shaft and the bushing, that is, it keeps the pivot shaft and the bushing form a stable rotational shaft connection.

[0070] In one optional embodiment, referring to the attached Figure 2 and the attached Figure 3 , the holding member includes a first bearing 304. The outer wall of the first pivot shaft 302 is provided with an axial surface step, and the inner wall of the first bushing 303 is provided with a first sleeve surface step 3031. The two axial sides of the first bearing 304 respectively abut against the axial surface step and the first sleeve surface step 3031. The first bearing 304 is limited by the abutment of the first sleeve surface step 3031 and the axial surface step, and this limiting relationship is used to define the axial positional relationship between the first pivot shaft 302 and the first bushing 303.

[0071] In one optional embodiment, referring to the attached Figure 3 , the holding member further includes a second bearing 305. The first pivot shaft 302 is connected with an axial surface protrusion, and the inner wall of the first bushing 303 is provided with a second sleeve surface step 3032. The two axial sides of the second bearing 305 respectively abut against the axial surface protrusion and the second sleeve surface step 3032; the second bearing 305 is limited by the abutment of the second sleeve surface step 3032 and the axial surface protrusion, and this limiting relationship is also used to define the axial positional relationship between the first pivot shaft 302 and the first bushing 303.

[0072] Reference appendix Figure 3 Figure 3 , the above-mentioned axial surface protrusion is a pressing plate 309 installed on the pivot shaft. After placing the second bearing 305 in the corresponding position, the pressing plate 309 is installed on the pivot shaft, thereby realizing the installation of the second bearing 305. Further, in one optional embodiment, a nut is threadedly connected to the first pivot shaft 302, and the pressing plate 309 is limited to the pivot shaft by the nut, thereby realizing the limitation of the second bearing 305.

[0073] In one optional embodiment, reference appendix Figure 3 Both the first sleeve surface step 3031 and the second sleeve surface step 3032 are located between the first bearing 304 and the second bearing 305. That is, along the axis direction of the first pivot shaft 302, the pressing plate 309 (axial surface protrusion), the second bearing 305, the second sleeve surface step 3032, the first sleeve surface step 3031, the first bearing 304, and the axial surface step are arranged in sequence. Thereby realizing the installation of two bearings between the first pivot shaft 302 and the first sleeve 303.

[0074] In one optional embodiment, the driven wheel 3 includes a wheel frame 301 and a wheel body 311, wherein: the wheel frame 301 rotates relative to the vehicle frame 1 around a first axis, and the first axis points downward to the ground. In some embodiments, the first axis is perpendicular to the ground. In another part of the embodiments, the first axis is not perpendicular to the ground, but forms an oblique angle, but the first axis still remains in a state close to perpendicular to the ground (hereinafter referred to as the first axis is nearly perpendicular to the ground); the wheel body 311 rotates relative to the wheel frame 301 around a second axis, and the second axis is parallel to the ground.

[0075] In this embodiment, the sleeve includes a first sleeve 303 fixed to the vehicle frame 1, the pivot shaft includes a first pivot shaft 302 fixed to the wheel frame 301 and coaxially rotatably connected to the first sleeve 303, and the detection part includes a first detection part disposed between the first sleeve 303 and the first pivot shaft 302.

[0076] In one optional embodiment, the first detection part includes a first Hall induction element 307 and a first magnetic element 306; the first sleeve 303 is fixedly provided with a first end cover 308, the first Hall induction element 307 is fixedly arranged on the end cover, and the first magnetic element 306 is fixedly arranged on the first pivot shaft 302. When the wheel frame 301 rotates around the first axis, the first pivot shaft 302 rotates synchronously with the wheel frame 301, that is, the first magnetic element 306 rotates relative to the first Hall induction element 307 at the first end cover 308. At this time, the first Hall induction element 307 can detect the rotation amount of the first magnetic element 306, thereby identifying the rotation amount of the frame around the first axis.

[0077] Reference appendixFigure 2 , attached Figure 3 , attached Figure 4 , in this embodiment, the first Hall sensing element 307 is connected to the first end cap 308 by bolts; the first magnetic element 306 is connected to the top of the first pivot shaft 302 by interference fit. The pressure plate 309 is limited by the nut threaded to the first pivot shaft 302. The above specific connection method is only an example and should not be construed as the protection scope of this embodiment. Those skilled in the art should, on the premise of this specification, select other connection methods that can meet the requirements of this embodiment without creative work, and should be included in the protection scope of this specification.

[0078] In one alternative embodiment, the first detection unit is coupled to the vehicle controller of the multi-functional work vehicle through a signal line. A wire groove 3033 is provided in the first bushing 303 or the end cap cooperating with the first bushing 303. The signal line passes through the wire groove 3033 and is arranged along the vehicle frame 1 and connected to the vehicle controller.

[0079] In another alternative embodiment, the first detection unit is coupled to the vehicle controller of the multi-functional work vehicle wirelessly. In this embodiment, the driven wheel should be configured with a wireless transmission module to transmit signals wirelessly to the vehicle controller; correspondingly, a wireless reception module is configured at the vehicle controller.

[0080] In one alternative embodiment, a sealing member is jointly configured between the lower part of the first bushing 303 and the first pivot shaft 302. The sealing member is used to close the upward movement of debris such as grass clippings to the position of the first bearing 304, that is, to prevent the first bearing 304 from being affected by debris and the like and affecting its normal operation; refer to attached Figure 2 , attached Figure 3 , in this embodiment, the sealing member is an oil seal 310.

[0081] Furthermore, in one alternative embodiment, grease is provided inside the bushing, and the oil seal 310 can prevent the grease from leaking from the gap between the bushing and the pivot shaft.

[0082] Refer to attached Figure 5 , attached Figure 6 , in one alternative embodiment, the pivot shaft includes a second pivot shaft 312 fixed to the wheel carrier 301, the bushing includes a second bushing 313 fixed to the wheel body 311 and coaxially rotating on the second pivot seat, and the detection unit includes a second detection unit arranged between the second bushing 313 and the second pivot shaft 312.

[0083] It should be noted that the connection method of the second bushing 313 and the second pivot shaft 312 is the same as that of the first bushing 303 and the first pivot shaft 302, and will not be elaborated.

[0084] Furthermore, the second detection unit includes a second Hall induction element 314 and a second magnetic element 315; a second end cap 316 is fixedly arranged on the second bushing 313, the second Hall induction element 314 is fixedly arranged on the second pivot shaft 312, and the second magnetic element 315 is fixedly arranged on the second end cap 316. When the wheel body 311 rotates around the second axis, the second bushing 313 rotates synchronously with the wheel body 311, that is, the second Hall induction element 314 rotates relative to the second magnetic element 315 at the second end cap 316. At this time, the second Hall induction element 314 can detect the rotation amount of the second magnetic element 315, so as to identify the rotation amount of the wheel body 311 around the second axis.

[0085] Further explanation: Since the first axis and the second axis are respectively nearly perpendicular and parallel to the ground, when the wheel frame 301 rotates around the first axis, the wheel body 311 rotates synchronously with the wheel frame 301. When the vehicle has a turning tendency, the passive wheel 3 located in front of the vehicle rotates around the first axis, and the first detection unit can quickly detect this rotation amount and send it to the vehicle controller, so as to determine that the vehicle starts to turn.

[0086] During the driving process of the vehicle, the passive wheel 3 contacts the ground and rotates around the second axis, and the rotation amount of the passive wheel 3 is positively correlated with the path length traveled by the passive wheel 3. When the vehicle turns, the rotation amount of the passive wheel 3 on the inner side of the turn (the side close to the center of the turning radius) is less than that on the other side. Therefore, in this embodiment, the rotation amounts of the two passive wheels 3 around the second axis are detected. When the detected rotation amounts of the two passive wheels 3 are inconsistent, it can be determined that the vehicle has deflected.

[0087] In summary: This specification discloses at least two embodiments. One of the embodiments is that a multi-functional operation vehicle is configured with a wheel frame 301 for detecting the rotation amount of at least one passive wheel 3 around the first axis. When the detected passive wheel 3 rotates around the first axis, it means that the vehicle is in a turning state.

[0088] Another embodiment is that a multi-functional vehicle is configured with a wheel body 311 for detecting the rotation amounts of two passive wheels 3 around the second axis. When it is compared and found that the rotation amounts of the two wheel bodies 311 around the second axis are not equal, the vehicle is in a turning state.

[0089] Further explanation: In this specification, the rotation amount of the driven wheel 3 is detected to quickly determine whether the vehicle is in a turning state. Due to the position of the driven wheel 3 described above, the detected wheel turning state is more sensitive, and the vehicle controller can more accurately judge the driving state of the vehicle. If the detection unit detects that the vehicle is in a turning state, while the user or the driving system hopes that the vehicle maintains a straight driving state, the vehicle controller should adjust the speed of the driving wheel 2 according to the detected information so that the vehicle can return to the desired straight driving state.

[0090] Further, when no wheel is in a slipping state, the extension lines of the axes of each wheel (i.e., the second pivot axis 312 in this specification) intersect at the steering center when the vehicle turns. When both driven wheels 3 are equipped with the first detection unit, the vehicle controller can judge the orientations of the second pivot axes 312 of the two driven wheels 3 according to the detected results, and calculate the position of the steering center or directly calculate what the turning radius is, so as to accurately know the driving state of the vehicle.

[0091] Further, if the vehicle controller determines that the vehicle is currently in a turning state based on the signal of the detection unit, but the user or the driving system hopes that the vehicle maintains a straight driving state, the vehicle can be made to return to a straight driving state by adjusting the rotational speeds of the two driving wheels 2.

[0092] Further, if the vehicle controller determines that the vehicle is currently in a turning state based on the signal of the detection unit, but the calculated actual turning radius of the vehicle is different from the expected value, the vehicle can be made to change to the expected turning radius by adjusting the rotational speeds of the two driving wheels 2, which is applicable to the path driving calibration automatically planned by the driving system.

[0093] In the above embodiments of this specification, the detection unit is implemented to detect the steering amount through a Hall sensor, and the Hall sensor itself is an existing technology that can be mastered by those skilled in the art; in another alternative embodiment, the detection unit can also be configured as other detection devices such as a potentiometer that can achieve the same function. Those skilled in the art can freely select at least one of the multiple detection devices as the detection unit during specific implementation, and none of them should be understood as breaking through the protection scope of the above embodiments.

[0094] In summary: The embodiments disclosed in this specification solve the technical problem in the prior art that the state of the driven wheel 3 cannot be obtained in real time. Specifically, by detecting the real-time rotation amounts of the wheel body 311 of the driven wheel 3 around two axes through two detection units, the vehicle controller can judge the current driving state of the vehicle according to the data of the real-time rotation amounts. Even under abnormal working conditions such as bumps and insufficient tire pressure, the vehicle controller can relatively simply calculate the adjustments required for the driving wheels, and finally enable the vehicle to work according to the expectations of the user (or the driving system).

[0095] In another alternative embodiment, the present specification also discloses an electric multi-functional work vehicle, which includes the frame 1, the active walking assembly, the outdoor work components, the bushing, the passive wheel 3 and the power supply system as described above; the power supply system is configured on the frame 1 and is used to supply power to the outdoor work components and / or the active walking assembly.

[0096] Further explanation: The above power supply system is detachably connected to the frame 1. The power supply system includes a plurality of battery units. The plurality of battery units can select 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.

[0097] In some alternative embodiments, the difference between the first specification battery pack and the second specification battery pack lies in the different battery pack capacities. The capacity of the first specification battery pack is greater than that of the second specification battery pack. The second specification battery pack is configured to provide power for handheld gardening tools. For example, the second specification battery pack can supply power to garden tools such as lawn mowers, pruning machines, blowers, and chain saws. In addition, the second specification battery pack can also supply power to torque output tools such as electric drills and electric hammers; supply power to sawing tools such as circular saws, jigsaws, and reciprocating saws, or supply power to grinding tools such as angle grinders and sanders.

[0098] In some alternative embodiments, the difference between the first specification battery pack and the second specification battery pack lies in the different cell types selected. For example, the first specification battery pack and the second specification battery pack can select lithium iron phosphate cells and ternary lithium cells respectively. The plurality of battery units in the power supply system can also select nickel-chromium battery cells, lead-acid battery cells, graphene cells, etc.

[0099] The plurality of battery units of the power supply system select at least one of the first specification battery pack and the second specification battery pack. In this way, the multi-functional vehicle can be compatible with different specification battery packs, meeting the high-power work requirements and being able to adapt to handheld electric gardening tools at the same time, making the working mode of garden workers more flexible.

[0100] In one of the alternative embodiments, the power supply system further includes a battery compartment, a battery management system, etc. The battery compartment is used to accommodate the battery pack, and the battery management system is used to manage the power supply of the battery pack to each component of the vehicle.

[0101] In one optional embodiment, the battery compartment and / or the battery management system are configured on the vehicle frame 1, and the battery pack is detachably configured in the battery compartment, so as to realize the detachable and replaceable battery pack, and the removed battery pack can be used for the above-mentioned other electric gardening tools; and the design of the detachable battery pack enables the vehicle to quickly return to a workable state by simply replacing the battery pack without waiting for a long charging time when the battery power of the vehicle is low or exhausted.

[0102] In one optional embodiment, the battery compartment is detachably configured on the vehicle frame 1, and the battery pack is contained in the battery compartment, that is, the battery compartment can be separated or combined with the vehicle frame 1 as a whole.

[0103] In another optional embodiment, the work vehicle further includes a user platform for carrying the user.

[0104] In one optional embodiment, referring to the attached Figure 1 , the user platform of this embodiment is configured as a seat 5 for carrying the user. When driving the work vehicle, the user sits on the seat 5 and controls the vehicle.

[0105] In one optional embodiment, the user platform of this embodiment is configured as a standing platform for carrying the user. The user stands on the standing platform and controls the vehicle.

[0106] In another optional embodiment, this specification also discloses a multi-functional gardening vehicle, including gardening operation components and the vehicle frame 1, the active walking assembly, the bushing, the passive wheel 3, and the power supply system as described above; the power supply system is configured on the vehicle frame 1 and is used to supply power to the outdoor operation components and / or the active walking assembly. The passive wheel 3 of the multi-functional gardening vehicle is configured on the vehicle frame, and the passive wheel 3 rotates passively when the active walking assembly works to drive the vehicle to move; the passive wheel 3 is connected with a pivot shaft, and the pivot shaft is coaxially rotatably connected to the bushing; the pivot shaft and the bushing are jointly configured with a detection part, and the detection part is used to measure the rotation amount of the pivot shaft relative to the bushing.

[0107] Further, referring to the attached Figure 1 , the gardening operation components in the above embodiment are schematically shown in the form of a cutting table 4, and the gardening work vehicle in this embodiment is a lawn mower; in addition, if the gardening operation component is a snow sweeping component, then the multi-functional gardening vehicle is a snow sweeper; that is, the gardening operation component, as the main functional component of the multi-functional gardening vehicle, can be changed according to the user's choice; at the same time, in some embodiments, the above-mentioned gardening operation components can also be components replaced by the user according to actual needs. For example, if the cutting table 4 for mowing grass is removed and replaced with a sweeping disc for sweeping, then the lawn mower is changed to a sweeper. To sum up: replacing the gardening operation components with any functional components according to the user's needs should not be understood as breaking through the protection scope of this embodiment.

[0108] As described above, a work vehicle equipped with a power system is a charging-type work vehicle. Compared with traditional fuel-powered work vehicles, the charging-type work vehicle has the advantages of all-weather zero emissions, zero fuel consumption, low noise, and simple maintenance (no gasoline, no engine oil, no air filter, no spark plug, no fuel storage, etc.). The power system of the charging-type work vehicle uses an electric motor instead of a fuel engine, and the electric motors of the drive wheels can be controlled separately to achieve motion control of the whole vehicle, such as going straight, reversing, turning, and zero turning, reducing the structural complexity of the whole vehicle and making the control of the whole vehicle more flexible.

[0109] For the same purpose, in another aspect, an embodiment of this specification also provides a ride-on mower, which includes a frame, a cutting table, a driving walking assembly, a seat, and a power system; the seat is arranged on the frame and is used for the user to sit on.

[0110] For the same purpose, in another aspect, an embodiment of this specification also provides a stand-on mower, which includes a frame, a cutting table, a walking assembly, a standing platform, and a power system; the standing platform is arranged on the frame and is used for the user to stand on.

[0111] Refer to the attached Figure 7 , the work vehicle shown in the figure is equipped with a steering lever 6. The user manipulates the steering lever 6 to change the rotational speed of the drive wheel 2, thereby driving and controlling the vehicle; in other embodiments, the steering lever 6 can also be changed to a steering wheel structure, that is, the control method of vehicle steering should not be understood as breaking through the protection scope of this embodiment.

[0112] Further, refer to the attached Figure 8 , the figure shows a multi-functional work vehicle in the form of a tractor. The drive wheels of this work vehicle are also the rear wheels, and the front wheels are configured as driven wheels. Then, the driven wheels in this embodiment can also be configured with the above-mentioned detection unit, which is used to detect the rotation amount of the wheel body of the driven wheel and the corresponding wheel axle.

[0113] Further, refer to the attached Figure 9 , the figure shows an all-terrain work vehicle. The drive wheels of this work vehicle are also the rear wheels, and the front wheels are configured as driven wheels. Then, the driven wheels in this embodiment can also be configured with the above-mentioned detection unit, which is used to detect the rotation amount of the wheel body of the driven wheel and the corresponding wheel axle.

[0114] It should also be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, commodity or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, commodity or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, commodity or device comprising said element.

[0115] Each embodiment in this specification is described in a progressive manner, and the same or similar parts among the embodiments can be referred to each other. Each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.

[0116] The present utility model is not limited to the above specific embodiments. It can be easily understood by those of ordinary skill in the art that, without departing from the principle and scope of the present utility model, there are many alternative solutions for the lawn mower and the control handle of the present utility model. The protection scope of the present utility model shall be subject to the content of the claims.

Claims

1. A multifunctional working vehicle, characterized in that: include: Frame; An active travel assembly, arranged on the frame, for driving the driving wheels of the multifunctional working vehicle to rotate; An outdoor work component is arranged on the frame and is used to perform outdoor work; A shaft sleeve, disposed on the frame; A passive wheel is arranged on the frame, and the passive wheel rotates passively when the active travel assembly works to drive the vehicle to travel; the passive wheel is connected to a pivot shaft, and the pivot shaft is coaxially rotatably connected to the shaft sleeve; The pivot shaft and the shaft sleeve are jointly provided with a detection part, and the detection part is used to measure the rotation amount of the pivot shaft relative to the shaft sleeve.

2. The multifunctional working vehicle according to claim 1, characterized in that: The multi-purpose working vehicle further includes a retaining member for defining a positional relationship between the pivot shaft and the shaft sleeve, wherein the retaining member connects the pivot shaft and the shaft sleeve.

3. The multifunctional working vehicle according to claim 2, characterized in that: The retaining member comprises a first bearing, the outer wall of the pivot shaft is provided with an axial surface step, the inner wall of the sleeve is provided with a first sleeve surface step, and the first bearing abuts against the axial surface step and the first sleeve surface step at two sides along its axial direction respectively.

4. The multifunctional working vehicle according to claim 3, characterized in that: The retaining member also includes a second bearing, the pivot shaft is connected with an axial surface protrusion, the inner wall of the sleeve is provided with a second sleeve surface step, and the second bearing abuts against the axial surface protrusion and the second sleeve surface step on both sides along its axial direction; the first sleeve surface step and the second sleeve surface step are both located between the first bearing and the second bearing.

5. The multifunctional working vehicle according to claim 1, characterized in that: The detection unit includes a magnetic element and a Hall sensor element. One of the magnetic element and the Hall sensor element is fixed to the shaft sleeve, and the other of the magnetic element and the Hall sensor element is fixed to the pivot shaft.

6. The multifunctional working vehicle according to claim 5, characterized in that: The passive wheel comprises: a wheel carrier, rotatable relative to the vehicle frame about a first axis, the first axis pointing downwardly toward the ground; A wheel body, rotating relative to the wheel frame about a second axis, wherein the second axis is parallel to the ground; The bushing includes a first bushing fixed to the vehicle frame, the pivot shaft includes a first pivot shaft fixed to the wheel frame and coaxially rotatably connected to the first bushing, and the detection portion includes a first detection portion configured on the first bushing and the first pivot shaft.

7. The multifunctional working vehicle according to claim 6, characterized in that: The first detection unit includes a first Hall sensor element and a first magnetic element; The first sleeve is fixedly configured with a first end cover, the first Hall sensor element is fixedly configured on the first end cover, and the first magnetic element is fixedly configured on the first pivot shaft.

8. The multifunctional working vehicle according to claim 6, characterized in that: The pivot shaft includes a second pivot shaft fixed to the wheel frame, the sleeve includes a second sleeve fixed to the wheel body and coaxially rotated on the second pivot seat, and the detection part includes a second detection part configured on the second sleeve and the second pivot shaft.

9. The multifunctional working vehicle according to claim 8, characterized in that: The second detection unit includes a second Hall sensor element and a second magnetic element; The second sleeve is fixedly configured with a second end cover, the Hall sensor element is fixedly configured on the second pivot shaft, and the magnetic element is fixedly configured on the second end cover.

10. A multifunctional garden vehicle, characterized in that: include: Frame; A gardening operation component, arranged on the frame, for performing gardening operations; An active travel assembly, arranged on the frame, for driving the driving wheels of the multifunctional working vehicle to rotate; a shaft sleeve, arranged on the frame; A power supply system, arranged on the frame, for supplying power to at least the gardening operation components; A passive wheel is arranged on the frame, and the passive wheel rotates passively when the active travel assembly works to drive the vehicle to travel; the passive wheel is connected to a pivot shaft, and the pivot shaft is coaxially rotatably connected to the shaft sleeve; The pivot shaft and the sleeve are jointly provided with a detection part, and the detection part is used to measure the rotation amount of the pivot shaft relative to the sleeve.

11. A multifunctional garden vehicle, characterized in that: include: Frame; A gardening operation component, arranged on the frame, for performing gardening operations; An active travel assembly, arranged on the frame, for driving the driving wheels of the multifunctional working vehicle to rotate; a shaft sleeve, arranged on the frame; A battery pack, detachably disposed on the frame, for supplying power to at least the gardening operation components; A passive wheel is arranged on the frame, and the passive wheel rotates passively when the active travel assembly works to drive the vehicle to travel; the passive wheel is connected to a pivot shaft, and the pivot shaft is coaxially rotatably connected to the shaft sleeve; The pivot shaft and the sleeve are jointly provided with a detection part, and the detection part is used to measure the rotation amount of the pivot shaft relative to the sleeve.

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