Multi-functional field management machine

Abstract

The application discloses a multifunctional field management machine, which comprises a front frame, a front drive axle, an engine, a gearbox, a rear frame, a rear drive axle, a first axle seat, a rotating shaft, a transmission shaft and a steering oil cylinder; the front drive axle is arranged on the front frame; the engine is arranged on the front frame; the gearbox is arranged on the front frame and is in transmission connection with the engine; the rear drive axle is arranged on the rear frame; the first axle seat is arranged on the front frame; the rotating shaft is parallel to the frame plane of the front frame, the rotating shaft is arranged on the rear frame, the rear frame is in transmission connection with the first axle seat through the rotating shaft, the rear frame can rotate around the rotating shaft to adapt to uneven ground; the gearbox is in transmission connection with the front drive axle and the rear drive axle through the transmission shaft, the transmission shaft spans the hinged part of the front frame and the rear frame; one end of the steering oil cylinder is connected with the front frame, the other end is connected with the rear frame, and the steering oil cylinder is used for driving the rear frame to steer relative to the front frame. The application solves the technical problem that the existing field management machine cannot adapt to the terrain when working on uneven ground.

Description

Technical Field

[0001] This invention relates to the field of garden management technology, and in particular to a multifunctional garden management machine. Background Technology

[0002] Currently, most multi-functional garden tillers adopt an integrated frame structure, with the engine, gearbox, and front and rear drive axles all mounted on the same frame. When the machine is moving and tilling, the frame moves with the terrain, and the relative positions of the front and rear wheels remain fixed.

[0003] However, when encountering uneven terrain, the unibody frame cannot allow the front and rear wheels to rise and fall independently with the terrain, resulting in some wheels being suspended in the air, reduced traction, insufficient overall traction, and impact on farming efficiency. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the purpose of this invention is to provide a multifunctional garden tiller to solve the technical problem that existing garden tillers cannot adapt to terrain when operating on uneven land.

[0005] The objective of this invention is achieved through the following technical solution:

[0006] A multi-functional garden management machine includes:

[0007] Front frame;

[0008] A front drive axle, which is mounted on the front frame and is used to drive the front frame to move.

[0009] An engine, which is mounted on the front frame;

[0010] A transmission, which is mounted on the front frame and is connected to the engine via a transmission connection;

[0011] Rear frame;

[0012] A rear drive axle, which is mounted on the rear frame and is used to drive the rear frame to move.

[0013] A first axle seat, which is mounted on the front frame;

[0014] A rotating shaft is provided along a frame plane parallel to the front frame; the rotating shaft is mounted on the rear frame, and the rear frame is connected to the first axle seat via the rotating shaft, so that the rear frame can rotate around the axis of the rotating shaft, thereby enabling the rear frame to adapt to uneven terrain during cultivation.

[0015] The transmission is connected to the front drive axle and the rear drive axle via the transmission shaft, and the transmission shaft spans the hinge between the front frame and the rear frame.

[0016] A steering cylinder, one end of which is connected to the front frame and the other end of which is connected to the rear frame, is used to drive the rear frame to steer relative to the front frame.

[0017] Furthermore, the multifunctional garden management machine includes a second axle seat and a swing shaft. The second axle seat is mounted on the rotating shaft and rotates with the rotating shaft. The swing shaft is mounted on the rear frame, and the rear frame is connected to the second axle seat via the swing shaft so that the rear frame can rotate around the axis of the swing shaft.

[0018] Furthermore, the rotating shaft includes a front drive shaft and an intermediate drive shaft. The gearbox is connected to the front drive axle via the front drive shaft, and the gearbox is connected to the rear drive axle via the intermediate drive shaft. The intermediate drive shaft spans the hinge between the front frame and the rear frame.

[0019] Furthermore, the front drive axle includes a front axle differential lock, and the rear drive axle includes a rear axle differential lock. The front axle differential lock and the rear axle differential lock are used to transfer power to the wheels on the ground when the wheels slip, so as to improve traction and get-out-of-trouble capability in complex terrain.

[0020] Further, the front axle differential lock includes a first shift fork sleeve and a first shift fork. The first shift fork sleeve is slidably sleeved on the half-shaft of the front drive axle, and the first shift fork is connected to the first shift fork sleeve, used to push the first shift fork sleeve to slide axially between a first position and a second position. When the first shift fork sleeve is in the first position, the left and right half-shafts of the front drive axle are locked together to achieve forced synchronous rotation of the left and right wheels. When the first shift fork sleeve is in the second position, the left and right half-shafts of the front drive axle can rotate relative to each other to achieve allowed differential rotation of the left and right wheels. The rear axle differential lock includes a second shift fork sleeve and a second shift fork. The second shift fork sleeve is slidably sleeved on the half-shaft of the rear drive axle, and the second shift fork is connected to the second shift fork sleeve, used to push the second shift fork sleeve to slide axially between a third position and a fourth position. When the second shift fork sleeve is in the third position, the left and right half-shafts of the rear drive axle are locked together to achieve forced synchronous rotation of the left and right wheels. When the second shift fork sleeve is in the fourth position, the left and right half-shafts of the rear drive axle can rotate relative to each other to achieve allowed differential rotation of the left and right wheels.

[0021] Furthermore, the front drive axle includes a front wheel-side reducer disposed at the wheel hub of the front drive axle; the rear drive axle also includes a rear wheel-side reducer disposed at the wheel hub of the rear drive axle.

[0022] Furthermore, the multi-functional garden management machine includes a tillage wheel, which is mounted on the front drive axle and / or the rear drive axle. The tillage wheel includes a wheel body and an anti-sinking structure, which is sleeved on the wheel body to bear vertical loads and prevent the wheel body from sinking into the soil.

[0023] Furthermore, the tillage wheel includes multiple anchor teeth, which are arranged around the outer circumference of the wheel body and enclose the anti-sinking structure to form a tillage cavity. The tillage cavity is used to allow soil to flow in and interact with the anchor teeth to generate traction.

[0024] Furthermore, the front drive axle is provided with a front reducer and a front power steering box; the rear drive axle is provided with a rear reducer, a rear power steering box, and a rear power steering box; the rear reducer is erected on the rear drive axle, and the rear drive axle is connected to the drive shaft through the rear power steering box.

[0025] Furthermore, the transmission is an integrated transmission, which integrates a main transmission, a secondary transmission, and a power transfer case.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0027] 1. The front drive axle, engine, and gearbox are mounted on the front frame, with the gearbox and engine connected in transmission. The rear drive axle is mounted on the rear frame, and the rear frame is connected to the first axle seat mounted on the front frame via a rotating shaft. This allows the rear frame to rotate around the axis of the rotating shaft, enabling the rear frame to swing relative to the front frame in a "left-up, right-down" or "left-down, right-up" manner, thus adapting the vehicle body to uneven terrain during cultivation.

[0028] 2. Based on the fact that the second axle seat is installed on the rotating shaft and rotates with the rotating shaft, the swing shaft is installed on the rear frame and its initial position is perpendicular to the frame plane of the front frame. The rear frame is connected to the second axle seat through the swing shaft, so that the rear frame can rotate around the axis of the swing shaft. This allows the rear frame to achieve adaptive up-and-down swinging with the rotating shaft, and further obtain lateral swinging freedom around the vertical axis.

[0029] 3. Based on the transmission being connected to the front and rear drive axles via a drive shaft, and the drive shaft spanning the hinge between the front and rear frames, power is synchronously transmitted from the transmission to the front and rear drive axles, ensuring that the entire machine can maintain all-wheel drive even during articulated steering and uneven terrain.

[0030] 4. Based on the fact that one end of the steering cylinder is connected to the front frame and the other end is connected to the rear frame, the steering cylinder drives the rear frame to turn relative to the front frame, so that the whole machine can significantly reduce the turning radius through the articulated steering method and improve the maneuverability in narrow fields. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of a multifunctional garden management machine according to the present invention;

[0032] Figure 2 for Figure 1 The top view shown is a structural schematic diagram, in which the rear frame is in a state of swinging around the swing axis;

[0033] Figure 3 for Figure 1 The diagram shows a structural design from another perspective, in which the rear frame is rotating about a rotation axis;

[0034] Figure 4 for Figure 1 The diagram shows the structural diagrams of the rear frame and the front frame;

[0035] Figure 5 for Figure 4 A magnified view of point A shown below;

[0036] Figure 6 for Figure 1 The diagram shown is a structural schematic of the front axle differential lock.

[0037] Figure 7 for Figure 1 The cross-sectional view of the tillage wheel shown is a structural schematic diagram.

[0038] In the diagram: 1. Front frame; 2. Front drive axle; 3. Engine; 4. Gearbox; 401. Main transmission; 402. Auxiliary transmission; 403. Power transfer case; 5. Rear frame; 6. Rear drive axle; 7. First axle seat; 8. Rotary shaft; 9. Drive shaft; 10. Steering cylinder; 11. Second axle seat; 12. Swing shaft; 13. Front axle differential lock; 131. First shift fork sleeve; 132. First shift fork; 14. Rear axle differential lock; 15. Tiller wheel; 151. Wheel body; 152. Anti-sinking structure; 153. Anchor tillage teeth; 154. Tillering chamber. Detailed Implementation

[0039] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0040] It should be noted that when an element is described as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is described as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0042] See Figures 1-7 A preferred embodiment of the present invention is described below:

[0043] A multi-functional garden tiller includes a front frame 1, a front drive axle 2, an engine 3, a gearbox 4, a rear frame 5, a rear drive axle 6, a first axle seat 7, a rotating shaft 8, a transmission shaft 9, and a steering cylinder 10. The front drive axle 2 is mounted on the front frame 1 and is used to drive the front frame 1. The engine 3 is mounted on the front frame 1. The gearbox 4 is mounted on the front frame 1 and is connected to the engine 3. The rear drive axle 6 is mounted on the rear frame 5 and is used to drive the rear frame 5. The first axle seat 7 is mounted on the front frame 1. The rotating shaft 8 is parallel to the [missing information - likely a component or component]. The front frame 1 has a flat frame planar arrangement; a rotating shaft 8 is mounted on the rear frame 5, and the rear frame 5 is connected to the first axle seat 7 via the rotating shaft 8, allowing the rear frame 5 to rotate around the axis of the rotating shaft 8, so that the rear frame 5 can adapt to uneven terrain during cultivation; the gearbox 4 is connected to the front drive axle 2 and the rear drive axle 6 respectively via a drive shaft 9, and the drive shaft 9 spans the hinge between the front frame 1 and the rear frame 5; one end of the steering cylinder 10 is connected to the front frame 1, and the other end is connected to the rear frame 5, and the steering cylinder 10 is used to drive the rear frame 5 to turn relative to the front frame 1. A multi-functional garden tiller achieves adaptive fitting and flexible steering of the whole machine on uneven terrain through the hinged rotating connection between the front frame 1 and the rear frame 5 and all-wheel drive transmission, improving the passability and stability of garden tillage operations.

[0044] The power output from engine 3 is split by gearbox 4 and then synchronously transmitted to front drive axle 2 and rear drive axle 6 via driveshaft 9, driving the front and rear wheels. When driving on uneven terrain, the rear frame 5 can swing freely up and down relative to the front frame 1 around the axis of rotation shaft 8, ensuring the rear wheels remain in contact with the ground. When steering is required, the steering cylinder 10 extends and retracts, driving the rear frame 5 to deflect in the horizontal plane relative to the front frame 1 around the rotation shaft 8, achieving articulated steering.

[0045] In practice, the engine 3 and gearbox 4 are first fixedly mounted on the front frame 1. The front drive axle 2 is then mounted on the bottom of the front frame 1 and connected to one end of the drive shaft 9. The rear drive axle 6 is mounted on the bottom of the rear frame 5. The rotating shaft 8 is fixed to the front end of the rear frame 5, and both ends of the rotating shaft 8 are connected to the first axle seat 7 fixed on the front frame 1 via bearings or bushings. The other end of the drive shaft 9 is connected to the rear drive axle 6, ensuring that the middle section of the drive shaft 9 spans the hinge gap between the front frame 1 and the rear frame 5. The cylinder body of the steering cylinder 10 is hinged to the front frame 1, and the piston rod is hinged to the rear frame 5. After starting the engine 3, the gearbox 4 is engaged, and the machine can adaptively navigate complex terrain and complete tillage operations.

[0046] The front frame 1 is equipped with a front drive axle 2, an engine 3, and a transmission 4, with the engine 3 and transmission 4 connected by a drive mechanism. The rear frame 5 is equipped with a rear drive axle 6. The front frame 1 is fixed with a first axle seat 7, and the rear frame 5 is equipped with a rotating shaft 8, which is arranged along a frame plane parallel to the front frame 1. The rear frame 5 is connected to the first axle seat 7 via the rotating shaft 8. The transmission 4 is connected to both the front drive axle 2 and the rear drive axle 6 via a drive shaft 9, which spans the hinge between the front frame 1 and the rear frame 5. One end of the steering cylinder 10 is connected to the front frame 1, and the other end is connected to the rear frame 5. The rotating shaft 8 can also be mounted on the rear frame 5 using a pin structure with a self-lubricating bushing. The first axle seat 7 can also be a cast steel part with lugs to enhance the strength of the hinge point. The drive shaft 9 can also be a universal drive shaft 9 with a telescopic spline to accommodate length changes at the hinge point.

[0047] It is understandable that the front drive axle 2, engine 3, and gearbox 4 are installed on the front frame 1, and the gearbox 4 is connected to the engine 3. The rear drive axle 6 is installed on the rear frame 5, and the rear frame 5 is set along the frame plane parallel to the front frame 1 through the rotating shaft 8. The rear frame 5 is connected to the first axle seat 7 installed on the front frame 1 through the rotating shaft 8, so that the rear frame 5 can rotate around the axis of the rotating shaft 8, realizing the rear frame 5's adaptation to uneven land during cultivation.

[0048] Preferably, a multi-functional garden tiller includes a second axle seat 11 and a swing shaft 12. The second axle seat 11 is mounted on a rotating shaft 8 and rotates with the rotating shaft 8. The swing shaft 12 is mounted on a rear frame 5, and the rear frame 5 is connected to the second axle seat 11 via the swing shaft 12, allowing the rear frame 5 to rotate around the axis of the swing shaft 12. The second axle seat 11 cooperates with the swing shaft 12 to enable the rear frame 5 to obtain a swing degree of freedom about an axis perpendicular to the rotating shaft 8, thereby achieving horizontal steering of the rear frame 5 relative to the front frame 1 based on the up-and-down swing provided by the rotating shaft 8.

[0049] When the steering cylinder 10 drives the rear frame 5 to turn relative to the front frame 1, the rear frame 5 swings left and right in the horizontal plane around the axis of the swing shaft 12. At the same time, the second axle seat 11 rotates with the rotating shaft 8 to maintain connection stability, so that the rear frame 5 can still swing up and down with the rotating shaft 8 to adapt to the undulation of the ground while obtaining the horizontal steering freedom.

[0050] In this embodiment, the second axle seat 11 is welded and fixed to one end of the rotating shaft 8, and the swing shaft 12 is installed at the front end of the rear frame 5 through a bearing. One end of the swing shaft 12 extends into the second axle seat 11 and forms a rotational engagement with the second axle seat 11, so that the rear frame 5 can swing up and down with the rotating shaft 8 and can independently turn horizontally around the swing shaft 12, realizing a composite motion in two degrees of freedom.

[0051] The second axle seat 11 is fixedly installed on the rotating shaft 8 and can rotate synchronously with the rotating shaft 8. The swing shaft 12 is installed on the rear frame 5, and the axis of the swing shaft 12 is perpendicular to the axis of the rotating shaft 8. The rear frame 5 forms a rotatable transmission connection with the second axle seat 11 through the swing shaft 12. A keyed connection or spline connection can also be provided between the second axle seat 11 and the rotating shaft 8 to achieve circumferential positioning. A bushing or bearing can also be provided between the swing shaft 12 and the rear frame 5 to reduce rotational friction.

[0052] Preferably, the rotating shaft 8 includes a front drive shaft 9 and an intermediate drive shaft 9. The gearbox 4 is connected to the front drive axle 2 via the front drive shaft 9, and to the rear drive axle 6 via the intermediate drive shaft 9. The intermediate drive shaft 9 spans the hinge between the front frame 1 and the rear frame 5. The front drive shaft 9 and the intermediate drive shaft 9 are used to transmit the power of the gearbox 4 to the front drive axle 2 and the rear drive axle 6 respectively. The intermediate drive shaft 9 spans the hinge between the front frame 1 and the rear frame 5, so that the vehicle body can maintain all-wheel drive when the front frame 1 and the rear frame 5 are in relative motion.

[0053] When the gearbox 4 outputs power, the front driveshaft 9 directly transmits power to the front drive axle 2 to drive the front wheels, and the intermediate driveshaft 9 transmits power to the rear drive axle 6 to drive the rear wheels. When the rear frame 5 swings up and down relative to the front frame 1 around the rotating shaft 8 or turns horizontally around the swing shaft 12, the intermediate driveshaft 9 adapts to the angle change through the universal joints at both ends and compensates for the axial length change through the telescopic joint, so that the power transmission is always continuous and uninterrupted.

[0054] The gearbox 4 has a front output end and a rear output end. One end of the front drive shaft 9 is connected to the front output end of the gearbox 4, and the other end is connected to the front drive axle 2. One end of the intermediate drive shaft 9 is connected to the rear output end of the gearbox 4, and the other end is connected to the rear drive axle 6. The intermediate drive shaft 9 is arranged along the hinge direction of the front frame 1 and the rear frame 5 and crosses the hinge point. Universal joints can also be provided at both ends of the front drive shaft 9 and the intermediate drive shaft 9 to accommodate angle changes. The intermediate drive shaft 9 can also be provided with a telescopic joint to compensate for the length changes when the front and rear frames 5 swing.

[0055] Preferably, the front drive axle 2 includes a front axle differential lock 13, and the rear drive axle 6 includes a rear axle differential lock 14. The front axle differential lock 13 and the rear axle differential lock 14 are used to transfer power to the wheel in contact with the ground when the wheel slips, thereby improving traction and off-road capability in complex terrain. The front axle differential lock 13 is used to improve the overall traction and off-road capability of the machine in complex terrain.

[0056] When one wheel of a drive axle slips, the front axle differential lock 13 or the rear axle differential lock 14 is triggered. The first shift fork 132 pushes the first shift fork sleeve 131 to move, so that the first shift fork sleeve 131 engages with the differential housing or half-shaft gear, locking the differential function of the differential, forcing the left and right half-shafts to rotate synchronously, and transferring power from the slipping wheel to the wheel on the ground. The working principle of the rear axle differential lock 14 is the same as that of the front axle, thereby enabling the whole machine to get out of trouble.

[0057] The front drive axle 2 houses a differential and a front axle differential lock 13, while the rear drive axle 6 houses a differential and a rear axle differential lock 14. The front axle differential lock 13 and the rear axle differential lock 14 are respectively mounted on one side of their respective differentials. The front axle differential lock 13 includes a first shift fork sleeve 131 and a first shift fork 132. The first shift fork sleeve 131 is fitted onto the outside of the differential half-shaft or differential housing, and the first shift fork 132 is linked to the first shift fork sleeve 131. The rear axle differential lock 14 includes a second shift fork sleeve and a second shift fork, with the second shift fork sleeve and the second shift fork being linked to each other. Splines can also be provided on the inner walls of the first shift fork sleeve 131 and the second shift fork sleeve to enhance the connection strength. The first shift fork 132 and the second shift fork can also be driven by a pneumatic cylinder or an electromagnet for remote control.

[0058] Preferably, the front axle differential lock 13 includes a first shift fork sleeve 131 and a first shift fork 132. The first shift fork sleeve 131 is slidably sleeved on the half-shaft of the front drive axle 2, and the first shift fork 132 is connected to the first shift fork sleeve 131, used to push the first shift fork sleeve 131 to slide axially between a first position and a second position. When the first shift fork sleeve 131 is in the first position, the left and right half-shafts of the front drive axle 2 are locked together to achieve forced synchronous rotation of the left and right wheels. When the first shift fork sleeve 131 is in the second position, the left and right half-shafts of the front drive axle 2 can rotate relative to each other. The differential lock 14 of the rear axle includes a second shift fork sleeve and a second shift fork. The second shift fork sleeve is slidably mounted on the half-shaft of the rear drive axle 6. The second shift fork is connected to the second shift fork sleeve and is used to push the second shift fork sleeve to slide axially between a third position and a fourth position. When the second shift fork sleeve is in the third position, the left and right half-shafts of the rear drive axle 6 are locked together to achieve forced synchronous rotation of the left and right wheels. When the second shift fork sleeve is in the fourth position, the left and right half-shafts of the rear drive axle 6 can rotate relative to each other to achieve allowed differential rotation of the left and right wheels. The first shift fork sleeve 131 cooperates with the first shift fork 132 to control the differential lock state of the front drive axle 2. The second shift fork sleeve cooperates with the second shift fork to control the differential lock state of the rear drive axle 6, so that the whole machine can force the left and right wheels to rotate synchronously to get out of trouble when slipping, and restore the differential function during normal driving to ensure smooth turning.

[0059] When the first shift fork 132 pushes the first shift fork sleeve 131 to the first position, the first shift fork sleeve 131 locks the left and right half-shafts of the front drive axle 2 together, forcing the left and right wheels to rotate synchronously, transferring power from the slipping wheel to the wheel in contact with the ground. When the first shift fork 132 pushes the first shift fork sleeve 131 to the second position, the first shift fork sleeve 131 is unlocked, the left and right half-shafts can rotate relative to each other, and the differential returns to its normal differential function. The second shift fork sleeve works on the same principle as the second shift fork; it is locked when in the third position and unlocked when in the fourth position.

[0060] The first shift fork sleeve 131 is slidably sleeved on the half-shaft of the front drive axle 2. The first shift fork 132 is connected to the first shift fork sleeve 131. The first shift fork sleeve 131 can slide along the half-shaft axial direction between a first position and a second position under the push of the first shift fork 132. The second shift fork sleeve is slidably sleeved on the half-shaft of the rear drive axle 6. The second shift fork is connected to the second shift fork sleeve. The second shift fork sleeve can slide along the half-shaft axial direction between a third position and a fourth position under the push of the second shift fork. Splines can also be provided on the inner walls of the first shift fork sleeve 131 and the second shift fork sleeve to enhance the connection strength with the half-shaft. The first shift fork 132 and the second shift fork can also be driven by a pneumatic cylinder or a hydraulic cylinder to achieve remote control.

[0061] Preferably, the front drive axle 2 includes a front wheel-side reducer disposed at the wheel hub; the rear drive axle 6 also includes a rear wheel-side reducer disposed at the wheel hub. The front and rear wheel-side reducers are used to perform secondary speed reduction on the output speed of the drive axle at the wheel hub, thereby increasing the output torque and improving the traction of the entire machine under heavy loads or complex terrain.

[0062] The front wheel-side reducer is located at the hub of the front drive axle 2, with its input end connected to the half-shaft of the front drive axle 2 and its output end connected to the hub of the front tiller wheel 15. The rear wheel-side reducer is located at the hub of the rear drive axle 6, with its input end connected to the half-shaft of the rear drive axle 6 and its output end connected to the hub of the rear tiller wheel 15. Planetary gear mechanisms can also be installed inside the front and rear wheel-side reducers to achieve a compact layout. Grease-sealed cavities can also be provided in the front and rear wheel-side reducers to ensure long-term operational reliability.

[0063] When power is transmitted from gearbox 4 to front drive axle 2 and rear drive axle 6, the half-shaft of front drive axle 2 inputs power to the front wheel-side reducer. The front wheel-side reducer reduces the speed and increases the torque through the internal gear pair before outputting it to the front tiller 15. The half-shaft of rear drive axle 6 inputs power to the rear wheel-side reducer. The rear wheel-side reducer outputs the increased torque to the rear tiller 15 in the same way, so that the whole machine can obtain greater driving force when operating at low speed.

[0064] Preferably, a multi-functional garden tiller includes a tillage wheel 15, which is mounted on a front drive axle 2 and / or a rear drive axle 6. The tillage wheel 15 includes a wheel body 151 and an anti-sinking structure 152. The anti-sinking structure 152 is fitted onto the wheel body 151 to bear vertical loads and prevent the wheel body 151 from sinking into the soil. The tillage wheel 15 is used to contact the soil and provide traction during operation, while the anti-sinking structure 152 is fitted onto the wheel body 151 to bear vertical loads and prevent the wheel body 151 from sinking into soft soil or paddy fields.

[0065] When the tillage wheel 15 is working in soft soil or paddy fields, the anti-sinking structure 152 first contacts the soil surface, distributing the vertical load of the whole machine to a larger contact area, thereby reducing the pressure per unit area and preventing the wheel 151 from sinking into the soil; at the same time, the wheel 151 drives the anti-sinking structure 152 to rotate synchronously, so that the tillage wheel 15 can continue to propel while maintaining its load-bearing capacity.

[0066] The tillage wheel 15 is mounted on the front drive axle 2 and / or the rear drive axle 6. The tillage wheel 15 includes a wheel body 151 and an anti-sinking structure 152. The anti-sinking structure 152 is fitted onto the outer circumferential surface of the wheel body 151. The wheel body 151 is used to connect to the drive axle to receive power. The outer diameter of the anti-sinking structure 152 is greater than or equal to the outer diameter of the wheel body 151. Multiple anchor teeth 153 can also be provided on the outer circumferential surface of the anti-sinking structure 152 to enhance grip. A sealing element can also be provided between the anti-sinking structure 152 and the wheel body 151 to prevent mud and water from entering the interior of the wheel body 151.

[0067] Preferably, the tillage wheel 15 includes a plurality of anchor teeth 153, which are arranged around the outer circumference of the wheel body 151 and enclose the anti-sinking structure 152 to form a tillage cavity 154. The tillage cavity 154 is used to allow soil to flow in and interact with the anchor teeth 153 to generate traction. The anchor teeth 153 and the anti-sinking structure 152 enclose the tillage cavity 154, which is used to contain soil during tillage, so that the soil and the anchor teeth 153 can fully contact and interact to generate a stable traction force.

[0068] When the tillage wheel 15 rotates, the soil is scooped up by the anchor tillage teeth 153 and flows into the tillage chamber 154. The anchor tillage teeth 153 are embedded in the soil. As the wheel body 151 continues to rotate, the relative motion between the anchor tillage teeth 153 and the soil generates a forward thrust. The soil in the tillage chamber 154 forms a continuous flow and discharge under the drive of the anchor tillage teeth 153, so that the traction force is continuously output.

[0069] Multiple anchor teeth 153 are spaced apart around the outer circumference of the wheel body 151. One end of each anchor tooth 153 is fixedly connected to the wheel body 151 or the anti-sinking structure 152. A tillage cavity 154 is formed between the anchor teeth 153 and the anti-sinking structure 152. The tillage cavity 154 is a space with its opening facing the rotation direction of the wheel body 151. An arc-shaped or inclined structure can also be provided on the soil-facing surface of the anchor teeth 153 to guide the soil to flow smoothly into the tillage cavity 154. Multiple anchor teeth 153 can also be arranged in multiple rows along the axial direction of the wheel body 151 to increase the uniformity of traction.

[0070] Preferably, the front drive axle 2 is provided with a front reducer and a front power steering box; the rear drive axle 6 is provided with a rear reducer, a rear power steering box and a rear power steering box; the rear reducer is vertically mounted on the rear drive axle 6, and the rear drive axle 6 is connected to the drive shaft 9 through the rear power steering box.

[0071] The front and rear reducers are used to reduce the input power and increase the torque. The front and rear power steering boxes are used to change the direction of power transmission so that the power can be smoothly transmitted to the front drive axle 2 and the rear drive axle 6.

[0072] When power is transmitted to the front power gearbox, the front power gearbox changes the power transmission direction by 90 degrees and inputs it to the front reducer. The front reducer reduces the power and increases the torque before transmitting it to the front wheels. When power is transmitted to the rear power gearbox, the rear power gearbox changes the power transmission direction by 90 degrees and inputs it to the vertically mounted rear reducer. The rear reducer reduces the power and increases the torque before transmitting it to the rear wheels, so that the front and rear wheels obtain matched speeds and torques.

[0073] The front reducer is mounted on the front drive axle 2, and the front power steering box is located between the front reducer and the front drive shaft 9. The front drive shaft 9 is connected to the front reducer via the front power steering box. The rear reducer is mounted vertically on the rear drive axle 6, and the rear power steering box is located between the rear reducer and the intermediate drive shaft 9. The intermediate drive shaft 9 is connected to the rear reducer via the rear power steering box. A bevel gear pair can also be installed inside the front and rear power steering boxes to achieve 90-degree steering. The rear reducer can also be offset to lower the overall center of gravity.

[0074] Preferably, the transmission 4 is an integrated transmission 4, which integrates a main transmission 401, a secondary transmission 402, and a power transfer case 403. The integrated transmission 4 is used to change the speed, change the torque, and distribute the power of the engine 3 to simultaneously meet the power requirements of the front drive axle 2, the rear drive axle 6, and the external working device.

[0075] When engine 3 outputs power, main transmission 401 performs initial gear shifting and reversal of the power, and auxiliary transmission 402 performs further gear shifting of the power after it has been shifted by main transmission 401 to expand the gear shifting range. Power transfer case 403 distributes the power output by auxiliary transmission 402 to multiple output ends, which are respectively transmitted to front drive axle 2, rear drive axle 6 and external working device, so that the whole machine can obtain appropriate power output under different working conditions such as driving, farming and transportation.

[0076] The integrated transmission 4 incorporates a main transmission 401, an auxiliary transmission 402, and a power transfer case 403. The main transmission 401 is connected to the output end of the engine 3, the auxiliary transmission 402 is located at the output end of the main transmission 401, and the power transfer case 403 is located at the output end of the auxiliary transmission 402. Multiple output flanges can also be provided on the housing of the integrated transmission 4 to connect the front drive shaft 9, the intermediate drive shaft 9, and external working devices, respectively. Synchronizers can also be installed inside the main transmission 401 and the auxiliary transmission 402 to achieve smooth shifting.

[0077] In summary, a multi-functional garden tiller transmits power from engine 3 to an integrated gearbox 4. The integrated gearbox 4 contains a main transmission 401, a secondary transmission 402, and a power transfer case 403, which perform speed changes, torque conversion, and power distribution. The power transfer case 403 distributes power to three outputs: one path transmits power through the front drive shaft 9 to the front power angle box, where the power direction is changed before being input to the front reducer, then through the front drive axle 2 to the front wheel-side reducer, where secondary reduction and torque amplification drives the front tiller wheel 15; another path transmits power through the intermediate drive shaft 9 across the hinge between the front frame 1 and the rear frame 5 to the rear power angle box, where the power direction is changed before being input to the vertically mounted rear reducer, then through the rear drive axle 6 to the rear wheel-side reducer, where secondary reduction and torque amplification drives the rear tiller wheel 15; a third path is reserved for driving external operating devices.

[0078] The front frame 1 and the rear frame 5 are connected by a connecting assembly consisting of a first axle seat 7, a rotating shaft 8, a second axle seat 11, and a swing shaft 12. The rear frame 5 can swing around the axis of the rotating shaft 8 in "upper left and lower right" and "lower left and upper right" directions to adapt to ground undulations; at the same time, the rear frame 5 can swing left and right in the horizontal plane around the axis of the swing shaft 12, which, in conjunction with the drive of the steering cylinder 10, achieves articulated steering and significantly reduces the turning radius of the entire machine.

[0079] When operating in soft soil or paddy fields, the tillage wheel 15 mounted on the front drive axle 2 and / or the rear drive axle 6 bears the vertical load through its wheel body 151 and the anti-sinking structure 152 fitted on the wheel body 151, preventing the wheel body 151 from sinking into the soil. Multiple anchor tillage teeth 153 are arranged around the outer circumference of the wheel body 151, forming a tillage cavity 154 with the anti-sinking structure 152. After the soil flows into the tillage cavity 154, it interacts with the anchor tillage teeth 153 to generate traction.

[0080] When one wheel on one side of a drive axle slips, the front axle differential lock 13 or the rear axle differential lock 14 is triggered. The first shift fork 132 pushes the first shift fork sleeve 131 to slide to the locked position, forcing the left and right half-shafts of the front drive axle 2 to rotate synchronously, transferring power from the slipping wheel to the wheel on the ground; the rear axle differential lock 14 works on the same principle. The entire machine can freely switch between two-wheel drive, four-wheel drive, and six-wheel drive modes through the front drive pneumatic switching cylinder and the rear drive pneumatic switching cylinder to adapt to different working conditions and transportation needs.

[0081] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0082] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0083] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A multi-functional garden management machine, characterized in that, include: Front frame (1); A front drive axle (2) is mounted on the front frame (1) and is used to drive the front frame (1) to move. Engine (3), said engine (3) is mounted on the front frame (1); The gearbox (4) is mounted on the front frame (1) and is connected to the engine (3) in a transmission. Rear frame (5); The rear drive axle (6) is mounted on the rear frame (5) and is used to drive the rear frame (5) to move. The first axle seat (7) is mounted on the front frame (1); A rotating shaft (8) is arranged along a frame plane parallel to the front frame (1); the rotating shaft (8) is mounted on the rear frame (5), and the rear frame (5) is connected to the first axle seat (7) through the rotating shaft (8) so that the rear frame (5) can rotate around the axis of the rotating shaft (8) so that the rear frame (5) can adapt to uneven land during cultivation; The transmission shaft (9) is connected to the front drive axle (2) and the rear drive axle (6) respectively via the transmission shaft (9), and the transmission shaft (9) spans the hinge between the front frame (1) and the rear frame (5); Steering cylinder (10), one end of which is connected to the front frame (1) and the other end of which is connected to the rear frame (5), the steering cylinder (10) is used to drive the rear frame (5) to turn relative to the front frame (1).

2. The multifunctional garden management machine according to claim 1, characterized in that, The multifunctional garden management machine includes a second axle seat (11) and a swing shaft (12). The second axle seat (11) is mounted on the rotating shaft (8) and rotates with the rotating shaft (8). The swing shaft (12) is mounted on the rear frame (5). The rear frame (5) is connected to the second axle seat (11) through the swing shaft (12) so that the rear frame (5) can rotate around the axis of the swing shaft (12).

3. The multifunctional garden management machine according to claim 1, characterized in that, The rotating shaft (8) includes a front drive shaft (9) and an intermediate drive shaft (9). The gearbox (4) is connected to the front drive axle (2) via the front drive shaft (9). The gearbox (4) is connected to the rear drive axle (6) via the intermediate drive shaft (9). The intermediate drive shaft (9) spans the hinge between the front frame (1) and the rear frame (5).

4. The multifunctional garden management machine according to claim 1, characterized in that, The front drive axle (2) includes a front axle differential lock (13), and the rear drive axle (6) includes a rear axle differential lock (14). The front axle differential lock (13) and the rear axle differential lock (14) are used to transfer power to the wheels on the ground when the wheels slip, so as to improve traction and get-out-of-trouble capability in complex terrain.

5. A multifunctional garden management machine according to claim 4, characterized in that, The front axle differential lock (13) includes a first shift fork sleeve (131) and a first shift fork (132). The first shift fork sleeve (131) is slidably sleeved on the half-shaft of the front drive axle (2). The first shift fork (132) is connected to the first shift fork sleeve (131) and is used to push the first shift fork sleeve (131) to slide axially between a first position and a second position. When the first shift fork sleeve (131) is in the first position, the left and right half-shafts of the front drive axle (2) are locked together to achieve forced synchronous rotation of the left and right wheels. When the first shift fork sleeve (131) is in the second position, the left and right half-shafts of the front drive axle (2) are locked together to achieve forced synchronous rotation of the left and right wheels. The half-shafts can rotate relative to each other to allow differential rotation of the left and right wheels; the rear axle differential lock (14) includes a second shift fork sleeve and a second shift fork, the second shift fork sleeve is slidably sleeved on the half-shaft of the rear drive axle (6), the second shift fork is connected to the second shift fork sleeve, and is used to push the second shift fork sleeve to slide axially between the third position and the fourth position; when the second shift fork sleeve is in the third position, the left and right half-shafts of the rear drive axle (6) are locked together to achieve forced synchronous rotation of the left and right wheels; when the second shift fork sleeve is in the fourth position, the left and right half-shafts of the rear drive axle (6) can rotate relative to each other to allow differential rotation of the left and right wheels.

6. A multifunctional garden management machine according to claim 1, characterized in that, The front drive axle (2) includes a front wheel-side reducer, which is disposed at the hub of the front drive axle (2); the rear drive axle (6) also includes a rear wheel-side reducer, which is disposed at the hub of the rear drive axle (6).

7. A multifunctional garden management machine according to claim 1, characterized in that, The multi-functional garden management machine includes a tillage wheel (15), which is mounted on the front drive axle (2) and / or the rear drive axle (6). The tillage wheel (15) includes a wheel body (151) and an anti-sinking structure (152). The anti-sinking structure (152) is sleeved on the wheel body (151) and is used to bear vertical loads to prevent the wheel body (151) from sinking into the soil.

8. A multifunctional garden management machine according to claim 7, characterized in that, The tillage wheel (15) includes a plurality of anchor tillage teeth (153), which are arranged around the outer circumference of the wheel body (151) and enclose the anti-sinking structure (152) to form a tillage cavity (154). The tillage cavity (154) is used to allow soil to flow in and interact with the anchor tillage teeth (153) to generate traction.

9. A multifunctional garden management machine according to claim 1, characterized in that, The front drive axle (2) is provided with a front reducer and a front power steering box; the rear drive axle (6) is provided with a rear reducer, a rear power steering box and a rear power steering box; the rear reducer is erected on the rear drive axle (6), and the rear drive axle (6) is connected to the drive shaft (9) through the rear power steering box.

10. A multifunctional garden management machine according to claim 1, characterized in that, The gearbox (4) is an integrated gearbox (4), which integrates a main gearbox (401), a secondary gearbox (402) and a power transfer case (403).

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