CN210444772U

CN210444772U - Crawler type mini-tiller

Info

Publication number: CN210444772U
Application number: CN201920593961.6U
Authority: CN
Inventors: 王晴; 刘洲; 刑国刚; 周伟; 邓潇; 吴迪; 姚远
Original assignee: FJ Dynamics Technology Co Ltd
Current assignee: FJ Dynamics Technology Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-25
Publication date: 2020-05-05
Anticipated expiration: 2029-04-25
Also published as: CN110063097A; CN210444770U; CN210444771U; CN110249722A

Abstract

The utility model discloses a crawler-type mini-tiller, which comprises a frame, at least one power supply unit, two crawler-type traveling units and a tilling unit. The frame includes a chassis defining a disposition space, the power supply unit being mounted to the chassis and held in the disposition space, and a rear end portion corresponding to the front end portion, each of the walking units being respectively mounted to both sides of the chassis symmetrically to each other and electrically connected to the power supply unit, the cultivating unit being rotatably mounted to the chassis and electrically connected to the power supply unit, and the cultivating unit being held in the rear end portion of the frame.

Description

Crawler type mini-tiller

Technical Field

The utility model relates to a plough the machine field a little, in particular to machine is ploughed a little to crawler.

Background

The tiller is a device capable of tilling land and comprises a frame, an internal combustion engine mounted on the frame, a group of wheels mounted at the bottom of the frame, a tilling blade mounted at the rear of the frame and a series of transmission mechanisms, wherein one part of the transmission mechanisms is connected with the internal combustion engine and the wheels for transmitting power generated by the internal combustion engine to the wheels to drive the tiller to walk, and the other part of the transmission mechanisms is connected with the internal combustion engine and the tilling blade for transmitting power generated by the internal combustion engine to the tilling blade to drive the tilling blade to rotate, so that the tilling land is tilled by the tilling blade when the tiller walks. Although the existing tiller can ensure the tillage efficiency, the existing tiller is powered by the internal combustion engine, on one hand, the internal combustion engine directly causes the height size of the tiller to be larger; on the other hand, the power generated by the internal combustion engine needs to be transmitted to the wheels and the tillage blades through a series of transmission mechanisms respectively, so that the mechanical structure of the tillage machine is complicated, and the miniaturization market demand cannot be met; on the other hand, if the tiller is used in an open-air use environment, the harmful gas generated by the internal combustion engine is directly discharged to the atmosphere environment to pollute the air, and if the tiller is used in a relatively closed use environment, such as a greenhouse, the harmful gas generated by the internal combustion engine is filled in the greenhouse, which not only pollutes crops, but also easily causes potential risks to the physical health of workers, for example, when the concentration of the harmful gas reaches or exceeds a certain concentration, the workers are poisoned or even die.

In addition, the conventional tiller realizes the walking of the tiller by the rotation of each wheel, so that the climbing capability of the tiller is weak, for example, when the tiller is used in a tillage land with a large gradient or a muddy use environment, each wheel of the tiller can generate a phenomenon of 'slipping', and once the tiller generates the phenomenon of 'slipping', the tiller cannot continue to walk in the tillage environment, so that the tillage efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick-witted is ploughed a little to crawler, wherein the quick-witted frame is ploughed a little to crawler provides a frame and is set up in an at least power supply unit of frame, power supply unit is used for providing power with the drive the quick-witted walking of ploughing a little to the crawler is ploughed and is ploughed, thereby is using when ploughing the quick-witted farming of ploughing a little to crawler, the quick-witted can not produce harmful gas and make is ploughed a little to the crawler ploughs the quick-witted specially adapted service environment that ploughs a little relatively closed.

An object of the utility model is to provide a quick-witted is ploughed a little to crawler, wherein the quick-witted is ploughed a little to crawler provides a farming unit, the farming unit rotationally install in the frame with be connected in the power supply unit, with power supply unit provides electric power extremely during the farming unit, the farming unit can realize ploughing to plough for current machine is ploughed a little, the utility model discloses a machine does not need complicated drive mechanism to the quick-witted is ploughed a little to crawler, and such mode is favorable to the miniaturization and the lightness of the quick-witted is ploughed a little to crawler.

An object of the utility model is to provide a quick-witted is ploughed a little to crawler, wherein the quick-witted two crawler-type traveling unit of ploughing is ploughed a little to crawler-type provides, every the traveling unit respectively set up in the both sides of frame with by the electricity connect in the power supply unit, with the power supply unit provides electric power extremely during the traveling unit, traveling unit can rotate and drive the quick-witted walking of ploughing is ploughed a little to crawler-type, thereby for the quick-witted walking of ploughing a little, the utility model discloses a machine does not need complicated drive mechanism to plough a little to crawler-type, and such mode is favorable to the machine is ploughed a little to crawler-type's miniaturization and.

An object of the utility model is to provide a quick-witted is ploughed a little to crawler, wherein the running unit is crawler-type running unit, through such mode, the climbing ability of ploughing the machine is ploughed a little to the crawler-type is by improvement by a wide margin, thereby makes the machine is ploughed a little to crawler-type specially adapted slope great arable land or muddy arable land.

An object of the utility model is to provide a quick-witted is ploughed a little to crawler, wherein the traveling unit provides a track, the track is supported and forms roughly parallelogram structure or falls the trapezium structure, and through such mode, the area of contact of track and ground can be increased to be favorable to improving the climbing ability of ploughing machine is ploughed a little to the crawler.

According to an aspect of the utility model, the utility model provides an assembly method of machine is ploughed a little to crawler, wherein assembly method includes following step:

(a) installing a power supply unit on a chassis of a frame;

(b) respectively installing a crawler-type walking unit on two sides of the chassis of the frame and electrically connecting a walking driving motor of the walking unit with the power supply unit;

(c) the crawler-type mini-tiller is characterized in that a tillage unit is adjustably mounted at one end of the chassis of the frame, and a tillage driving motor of the tillage unit is electrically connected with the power supply unit so as to assemble the crawler-type mini-tiller.

According to an embodiment of the present invention, the assembling method further comprises the steps of:

(d) adjustably mounting a blade unit at one end of the chassis of the frame, wherein the blade unit is retained at a front end of the frame and the tilling unit is retained at a rear end of the frame.

According to an embodiment of the present invention, in the step (a), the power supply unit is mounted to a front end portion of the frame.

According to an embodiment of the present invention, in the step (a), the power supply unit is mounted in a middle portion of the frame.

(e) a first housing is mounted to the frame to enclose the power supply unit.

According to an embodiment of the present invention, the step (b) further comprises the steps of:

(b.1) mounting the travel driving motor on a side portion of the chassis in such a manner that the travel driving motor is held at a front end portion of the frame;

(b.2) mounting a support frame on the side of the chassis in a manner that the support frame extends from the walking drive motor to the rear end of the frame;

(b.3) forming an upper row wheel and a lower row wheel on the upper side and the lower side of the supporting frame, respectively, wherein a driving wheel forming a part of the upper row wheel is drivably installed to the traveling driving motor; and

(b.4) sleeving a caterpillar on the upper row of wheels and the lower row of wheels so as to allow the upper row of wheels and the lower row of wheels to support the caterpillar to form a preset structure.

According to an embodiment of the present invention, in the step (b.4), the upper and lower rollers support the track to form an inverted trapezoidal structure.

According to an embodiment of the present invention, in the step (b.4), the upper and lower rollers support the track to form a parallelogram structure.

7. According to an embodiment of the present invention, the step (c) further comprises the steps of:

(c.1) mounting the cultivation driving motor on one side of the chassis at the rear end of the frame;

(c.2) allowing a first drive shaft of a gearbox to extend from a first end gear of a speed change gear set to and be mounted to said tilling drive motor;

(c.3) allowing a second drive shaft of said gearbox to extend from a second end gear of said speed change gear set to and be mounted to a first transfer wheel of a transmission; and

(c.4) mounting a tilling blade to a mounting shaft of the transmission device extending over a second transmission wheel.

According to another aspect of the utility model, the utility model discloses a machine is ploughed a little to crawler-type is further provided, and it includes:

a frame, wherein the frame includes a chassis and a rear end having a front end and a rear end corresponding to the front end, the chassis defining a deployment space;

at least one power supply unit, wherein the power supply unit is mounted to the chassis and the power supply unit is held in the configuration space;

two crawler-type traveling units, wherein each of the traveling units is installed at both sides of the chassis symmetrically to each other, and is electrically connected to the power supply unit; and

a cultivating unit, wherein the cultivating unit is rotatably mounted to the chassis and is electrically connected to the power supply unit, and the cultivating unit is held at the rear end of the frame.

According to an embodiment of the present invention, the tracked mini-tiller further comprises a blade unit, wherein the blade unit is rotatably mounted to the chassis and electrically connected to the power supply unit, and the blade unit is held to the front end of the frame.

According to an embodiment of the invention, the power supply unit is held at the front end of the frame.

According to an embodiment of the invention, the power supply unit is held at the rear end of the frame.

According to an embodiment of the present invention, the frame further comprises at least one battery compartment, the battery compartment is mounted to the chassis and held to the frame at the front end, wherein the battery compartment has at least one battery compartment and a battery access opening communicating with the battery compartment, the power supply unit is allowed to be installed from the battery compartment at the battery compartment in a detachable manner at the battery compartment access opening.

According to an embodiment of the present invention, the rack further comprises at least one battery compartment, the battery compartment is installed in the chassis and is kept in the middle part of the rack, wherein the battery compartment has at least one battery installation cavity and a battery access & exit of the battery installation cavity, the power supply unit is allowed from the battery compartment the battery access & exit detachably install in the battery compartment the battery installation cavity.

According to an embodiment of the utility model, the machine is ploughed a little to crawler-type further includes a first shell, first shell set up in the frame, in order to seal the power supply unit.

According to an embodiment of the present invention, the traveling unit includes a traveling driving motor, an upper traveling wheel, a lower traveling wheel, a track, and a support frame, wherein the traveling driving motor is installed in the side portion of the chassis and electrically connected to the power supply unit in such a manner as to be held in the front end portion of the frame, wherein the support frame is installed in the side portion of the chassis, the upper traveling wheel and the lower traveling wheel are respectively formed in the upper side and the lower side of the support frame, and a driving wheel of the upper traveling wheel is drivably installed in the traveling driving motor, wherein the track is sleeved in the upper traveling wheel and the lower traveling wheel to be supported by the upper traveling wheel and the lower traveling wheel to form a preset structure.

According to the utility model discloses an embodiment, go up the steamboat with lower steamboat supports the track forms the trapezium structure of falling.

According to an embodiment of the present invention, the upper and lower wheels support the track to form a parallelogram structure.

According to an embodiment of the invention, the tilling unit comprises:

a cultivating knife;

a tilling drive motor mounted to a side portion of the chassis in such a manner as to be held at the rear end portion of the frame, and electrically connected to the power supply unit;

a transmission device, wherein the transmission device comprises a holding portion, a first transmission wheel, a second transmission wheel, a transmission belt and a mounting shaft, wherein the first transmission wheel and the second transmission wheel are respectively rotatably held at a mounting end and a free end of the holding portion, the transmission belt is configured to connect the first transmission wheel and the second transmission wheel, the mounting shaft is provided to the second transmission wheel, the cultivating blade is mounted to the mounting shaft, wherein the mounting end of the holding portion is rotatably mounted to one end portion of the chassis; and

a gearbox, wherein the gearbox comprises a first drive shaft extending from a first end gear of the speed gearset to and connected to the farming drive motor, a second drive shaft extending from a second end gear of the speed gearset to and connected to the first transfer wheel of the transmission device, and a speed gearset.

According to an embodiment of the invention, the tilling unit comprises a first hydraulic device mounted to the frame, the mounting end of the holding portion of the transmission device being drivably mounted to the first hydraulic device.

According to an embodiment of the present invention, the first hydraulic device comprises a first connecting rod, a second connecting rod, a third connecting rod and a first hydraulic mechanism, wherein the first hydraulic mechanism is rotatably mounted to the frame, and the first hydraulic mechanism extends obliquely upward and toward the rear end portion of the frame, wherein one end of the first connecting rod is drivably connected to the first hydraulic mechanism, the other end of the first connecting rod is rotatably mounted to the frame, wherein one end portion of the second connecting rod is mounted to the mounting end of the holding portion, and wherein both end portions of the third connecting rod are rotatably mounted to the other end portion of the second connecting rod and the end portion of the first connecting rod connected to the first hydraulic mechanism, respectively.

According to an embodiment of the invention, the first hydraulic means comprises a first connecting rod and a first hydraulic mechanism, wherein the first hydraulic mechanism is rotatably mounted in the frame, and the first hydraulic mechanism extends obliquely downwards and towards the rear end portion of the frame, the two ends of the first connecting rod are rotatably mounted in the first hydraulic mechanism and the mounting end of the holding portion, respectively.

According to an embodiment of the utility model, push away shovel unit includes a second hydraulic means and one and pushes away the shovel device, wherein push away the shovel device include one push away shovel body and extend in push away a shovel installation mechanism of shovel body, push away shovel installation mechanism rotationally install in the frame preceding tip, wherein the second hydraulic means includes a second hydraulic means, second hydraulic means rotationally install in the frame, and second hydraulic means downwards and to the frame preceding tip direction extends aslope, push away shovel body or push away shovel installation mechanism rotationally install in second hydraulic means.

According to an embodiment of the present invention, the second hydraulic device includes a second hydraulic motor, the second hydraulic motor is electrically connected to the power supply unit, and the second hydraulic mechanism is connected to the second hydraulic motor.

Drawings

Fig. 1 shows a three-dimensional state of a crawler-type mini-tiller according to a preferred embodiment of the present invention.

Fig. 2 shows the disassembled state of the caterpillar type mini-tiller according to the above preferred embodiment of the present invention.

Fig. 3 shows the three-dimensional state of the crawler-type mini-tiller according to the above preferred embodiment of the present invention after a housing unit is removed.

Fig. 4 shows the side view of the tracked mini-tiller after the housing unit is removed according to the above preferred embodiment of the present invention.

Fig. 5 shows the top view of the crawler micro-cultivator after the housing unit is removed according to the above preferred embodiment of the present invention.

Fig. 6 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which depicts a three-dimensional state of a frame of the crawler micro-cultivator.

Fig. 7 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which describes the structural relationship of a frame and a power supply unit of the crawler micro-cultivator.

Fig. 8 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which illustrates a front view state of a cultivating unit of the crawler micro-cultivator.

Fig. 9 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which depicts the three-dimensional state of the cultivating unit of the crawler micro-cultivator.

Fig. 10 shows a part of the crawler type micro-cultivator according to the above preferred embodiment of the present invention, which illustrates the disassembled state of the cultivating unit of the crawler type micro-cultivator.

Fig. 11 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which describes the structural relationship of the frame and the cultivating unit of the crawler micro-cultivator.

Fig. 12 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which describes a main view state of a walking unit of the crawler micro-cultivator.

Fig. 13 shows a part of the crawler-type mini-tiller according to the above preferred embodiment of the present invention, which describes a three-dimensional state of the traveling unit of the crawler-type mini-tiller.

Fig. 14 shows a part of the crawler type mini-tiller according to the above preferred embodiment of the present invention, which describes a disassembled state of the traveling unit of the crawler type mini-tiller.

Fig. 15 shows a part of the crawler type micro-cultivator according to the above preferred embodiment of the present invention, which describes the structural relationship of the frame and the cultivating unit of the crawler type micro-cultivator.

Fig. 16 shows a three-dimensional state of a crawler-type mini-tiller according to another preferred embodiment of the present invention.

Fig. 17 shows the disassembled state of the caterpillar type mini-tiller according to the above preferred embodiment of the present invention.

Fig. 18 shows the three-dimensional state of the crawler micro-cultivator after a housing unit is removed according to the above preferred embodiment of the present invention.

Fig. 19 shows the side view of the tracked mini-tiller according to the above preferred embodiment of the present invention after the housing unit is removed.

Fig. 20 shows the top view of the crawler micro-cultivator after the housing unit is removed according to the above preferred embodiment of the present invention.

Fig. 21 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which depicts a three-dimensional state of a frame of the crawler micro-cultivator.

Fig. 22 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which describes the structural relationship of a frame and a power supply unit of the crawler micro-cultivator.

Fig. 23 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which illustrates a front view state of a cultivating unit of the crawler micro-cultivator.

Fig. 24 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which depicts the three-dimensional state of the cultivating unit of the crawler micro-cultivator.

Fig. 25 shows a part of the crawler type micro-cultivator according to the above preferred embodiment of the present invention, which illustrates the disassembled state of the cultivating unit of the crawler type micro-cultivator.

Fig. 26 shows a part of the crawler type micro-cultivator according to the above preferred embodiment of the present invention, which describes the structural relationship of the frame and the cultivating unit of the crawler type micro-cultivator.

Fig. 27 shows a part of the crawler micro-cultivator according to the above preferred embodiment of the present invention, which illustrates a front view state of a blade unit of the crawler cultivator.

Fig. 28 shows a part of the crawler type mini-tiller according to the above preferred embodiment of the present invention, which describes a three-dimensional state of the blade unit of the crawler type mini-tiller.

Fig. 29 shows a part of the crawler type mini-tiller according to the above preferred embodiment of the present invention, which describes the structural relationship between the frame and the blade unit of the crawler type mini-tiller.

Fig. 30 shows a part of the crawler type mini-tiller according to the above preferred embodiment of the present invention, which describes a main view state of a walking unit of the crawler type mini-tiller.

Fig. 31 shows a part of the crawler type mini-tiller according to the above preferred embodiment of the present invention, which describes a three-dimensional state of the traveling unit of the crawler type mini-tiller.

Fig. 32 shows a part of the crawler type micro-cultivator according to the above preferred embodiment of the present invention, which describes the disassembled state of the traveling unit of the crawler type micro-cultivator.

Fig. 33 shows a part of the crawler type micro-cultivator according to the above preferred embodiment of the present invention, which describes the structural relationship of the frame and the cultivating unit of the crawler type micro-cultivator.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1 to 15 of the drawings of the specification, a crawler type micro-cultivator in accordance with a preferred embodiment of the present invention is disclosed and explained in the following description, wherein the crawler type micro-cultivator includes a frame 10, at least one power supply unit 20, two traveling units 30 and a cultivating unit 40, wherein the power supply unit 20 is provided in the frame 10, wherein each of the traveling units 30 is respectively provided symmetrically to each other at opposite sides of the frame 10, and each of the traveling units 30 is respectively electrically connected to the power supply unit 20, wherein the cultivating unit 40 is provided at an end of the frame 10, and the cultivating unit 40 is electrically connected to the power supply unit 20. When the power supply unit 20 supplies power to the traveling unit 30, the crawler micro-cultivator can travel, for example, the crawler micro-cultivator can move forward, backward or turn, and when the power supply unit 20 supplies power to the cultivating unit 40, the cultivating unit 40 can cultivate land.

Specifically, the frame 10 has a front end portion 11 and a rear end portion 12 corresponding to the front end portion 11. The power supply unit 20 is a battery (battery pack) and is disposed at the front end 11 of the frame 10 to ensure the gravity distribution balance of the crawler micro-cultivator, referring to fig. 3. Alternatively, the power supply unit 20 is disposed at the middle of the rack 10, or the power supply unit 20 is disposed at the rear end 12 of the rack 10. In some other examples of the tracked mini-tiller, the power supply unit 20 is two batteries (battery packs), wherein one battery (battery pack) of the power supply unit 20 is disposed at the front end portion 11 of the frame 10, and the other battery (battery pack) is disposed at the rear end portion 12 of the frame 10. For current machine of ploughing a little, the utility model discloses a machine is ploughed a little to track formula not only can avoid through electric power as the power supply the machine is ploughed a little to track formula produces harmful waste gas at the in-process that is used, can reduce the vibration range moreover, and noise abatement is in order to allow the workman to use in the service environment of relative silence. In addition, for current adoption internal-combustion engine ploughs machine as the machine of ploughing a little of power supply, the utility model discloses a crawler-type ploughs machine a little and adopts the mode of electric power action power supply to reduce the height dimension of ploughing the machine is ploughed a little to the improvement the trafficability characteristic of ploughing the machine is ploughed a little to the crawler-type, thereby allows the crawler-type ploughs machine a little and is suitable for service environment such as orchard, warmhouse booth very much.

It is worth mentioning that the type of the power supply unit 20 is not limited in the crawler micro-cultivator of the present invention, for example, the power supply unit 20 may be, but not limited to, a rechargeable lithium battery (battery pack).

Further, referring to fig. 6, the rack 10 includes a chassis 13 and two side frames 14, wherein each of the side frames 14 extends upward from two sides of the chassis 13 symmetrically to each other, respectively, so as to define a configuration space 15 of the rack 10 between the chassis 13 and the two side frames 14 for assembling the power supply unit 20. In other words, the power supply unit 20 is provided to the rack 10 so as to be fitted to the arrangement space 15.

With continued reference to fig. 6, the rack 10 further includes at least one battery compartment 16, the battery compartment 16 has a battery mounting cavity 161 and a battery access 162 communicating with the battery mounting cavity 161, wherein the battery compartment 16 is mounted on the chassis 13 and is retained in the configuration space 15, and the power supply unit 20 is detachably mounted on the battery compartment 16 through the battery access 162 of the battery compartment 16. Preferably, the battery compartment 16 is mounted to the front end portion 11 of the chassis 13, and the battery access opening 162 of the battery compartment 16 faces the front end portion 11 of the rack 10, so as to allow the power supply unit 20 to be detachably mounted to the battery compartment 16 of the rack 10 from the front end portion 11 of the rack 10, so that the power supply unit 20 is fitted to the front end portion 11 of the rack 10.

Referring to fig. 1 to 5 and 12 to 15, each of the traveling units 30 includes a traveling driving motor 31, a driving wheel 32, a tension wheel 33, a set of support wheels 34, a crawler 35, and a support 36. The travel driving motor 31 of each of the travel units 30 is installed at a connection position of the chassis 13 and the side frame 14 of the frame 10 to be symmetrical to each other, and the travel driving motor 31 is electrically connected to the power supply unit 20, and the travel driving motor 31 is located at the front end portion 11 of the frame 10. The driving wheels 32 of each of the traveling units 30 are drivably mounted to the traveling drive motors 31, respectively, such that the driving wheels 32 are held at the front end portion 11 of the frame 10. The driving wheel 32 forms a part of an upper row of wheels of the traveling unit 30. The supporting frames 36 of each traveling unit 30 are symmetrically mounted to opposite sides of the frame 10, and the supporting frames 36 extend from the driving wheels 32 in a direction toward the rear end 12 of the frame 10. The tension pulley 33 is rotatably attached to the support bracket 36, and the tension pulley 33 is held at the rear end portion 12 of the frame 10. The tension pulley 33 forms a part of the upper-row pulley of the traveling unit 30. At least one of the support wheels 34 is rotatably mounted to an upper side of the support frame 36, and at least one of the support wheels 34 is rotatably mounted to a lower side of the support frame 36, wherein the support wheel 34 mounted to the upper side of the support frame 36 forms a part of the upper row of wheels, and the support wheel 34 mounted to the lower side of the support frame 36 forms a part of a lower row of wheels of the traveling unit. The crawler 35 is installed outside the driving wheel 32, the tension wheel 33, and the support wheel 34, so that the crawler 35 is supported by the driving wheel 32, the tension wheel 33, and the support wheel 34. In other words, the traveling unit 30 includes the upper wheels and the lower wheels, and the crawler 35 is supported by the upper wheels and the lower wheels to form a predetermined structure, for example, in the specific example of the crawler micro-cultivator shown in fig. 1 to 15, the crawler 35 is supported by the upper wheels and the lower wheels to form an inverted trapezoidal structure. When the power supply unit 20 supplies power to the walking driving motor 31, the walking driving motor 31 can provide power to drive the driving wheel 32, so that under the cooperation of the tension wheel 33 and the supporting wheel 34, the crawler 35 can rotate to drive the crawler micro-cultivator to walk.

Preferably, in this preferred example of the crawler type mini-tiller of the present invention, two of the support wheels 34 are mounted to the upper side of the support frame 36 in a spaced apart manner, thereby allowing the drive wheel 32, two of the support wheels 34 and the tension wheel 33 to form the upper row of wheels, and five of the support wheels 34 are mounted to the lower side of the support frame 36 in a spaced apart manner, thereby allowing five of the support wheels 34 to form the lower row of wheels. In other words, the upper row wheels and the lower row wheels can support the crawler 35 to allow the crawler 35 to form a certain shape, for example, the upper row wheels and the lower row wheels can support the crawler 35 to allow the crawler 35 to form an inverted trapezoidal structure, which is beneficial to enlarging the contact area of the crawler 35 and the ground, thereby improving the climbing capability of the crawler-type mini-tiller.

More preferably, the traveling unit 30 includes two adjusting parts 37, wherein the two adjusting parts 37 are adjustably installed at both ends of the lower side of the supporting frame 36, respectively, wherein at least two supporting wheels 34 forming the lower wheels are installed at one adjusting part 37 at intervals from each other, in such a manner that the heights of the two supporting wheels 34 installed at the supporting frame 36 may have a height difference when the crawler micro-cultivator travels uphill, and the heights of the two supporting wheels 34 installed at the supporting frame 36 are the same when the crawler micro-cultivator travels flatly.

It is worth mentioning that the walking driving motor 31 of the walking unit 30 may be, but not limited to, a dc motor, and the track 35 may be, but not limited to, a rubber track, a chain track.

Referring to fig. 1 to 5 and 8 to 11, the tilling unit 40 includes a tilling driving motor 41, a gear box 42, and a tilling blade 43. The cultivation drive motor 41 is provided to the rear end portion 12 of the frame 10, and the cultivation drive motor 41 is electrically connected to the power supply unit 20 so that the cultivation drive motor 41 can supply power after the power supply unit 20 supplies electric power to the cultivation drive motor 41. The gearbox 42 is held at the rear end portion 12 of the frame 10, and the gearbox 42 is connected to the tilling drive motor 41. The tilling blade 43 is drivably connected to the gearbox 42. When the power supply unit 20 supplies power to the tilling drive motor 41 to allow the tilling drive motor 41 to supply power, the transmission 42 can decelerate to transmit power to the tilling blade 43 after increasing the torque, thereby driving the tilling blade 43 to rotate for tilling operations. In the preferred example of the crawler micro-cultivator illustrated in fig. 1 to 9, the cultivating unit 40 further includes a transmission device 46, wherein the cultivating blade 43 can be drivably connected to the gear box 42 through the transmission device 46, so that the power generated by the cultivating driving motor 41 after being supplied with electric power is further transmitted to the cultivating blade 43 through the transmission device 46 after being added with torque through the gear box 42 to drive the cultivating blade 43 to rotate.

Specifically, the tilling drive motor 41 is mounted at the connecting position of the chassis 13 and the side frame 14 of the frame 10, and the tilling drive motor 41 is held in the arrangement space 15.

Referring to fig. 10, the transmission case 42 includes a first transmission shaft 421, a second transmission shaft 422, and a speed change gear set 423 formed of a plurality of gear combinations having a first end portion and a second end portion corresponding to the first end portion, wherein the gear forming the first end portion of the speed change gear set 423 is named a first end gear 4231, and correspondingly, the gear forming the second end portion of the speed change gear set 423 is named a second end gear 4232, wherein the first transmission shaft 421 is provided at the first end gear 4231 of the speed change gear set 423, and the first transmission shaft 421 is extended from the first end gear 4231 of the speed change gear set 423 and is drivably mounted to the cultivation driving motor 41, wherein the second transmission shaft 422 is provided at the second end gear 4232 of the speed change gear set 423, and the second transmission shaft 422 extends from the second end gear 4232 of the speed change gear set 423 to and is connected to the transmission device 46, so that the gearbox 42 can transmit the power provided by the cultivation drive motor 41 to the transmission device 46 after increasing the torque.

It should be noted that the manner in which the first transmission shaft 421 is disposed on the first end gear 4231 of the transmission gear set 423 and the manner in which the second transmission shaft 422 is disposed on the second end gear 4232 of the transmission gear set 423 are not limited in the crawler type mini-tiller of the present invention, for example, the first transmission shaft 421 may be mounted on the first end gear 4231 or the first transmission shaft 421 integrally extends from the first end gear 4231, and correspondingly, the second transmission shaft 422 may be mounted on the second end gear 4232 or the second transmission shaft 422 integrally extends from the second end gear 4232.

Alternatively, the speed change gear set 423 is composed of the first end gear 4231 and the second end gear 4232 and a chain connected to the first end gear 4231 and the second end gear 4232. Preferably, the transmission case 42 further includes a case housing 424 configured to cover the gearset 423 such that the gearset 423 is prevented from being exposed to protect the gearset 423. It is understood that the first and

second transmission shafts

421 and 422 can pass through the transmission case 424 to extend from the inside to the outside of the transmission case 424. In other words, the speed change gear set 423 is accommodated inside the transmission case 424, and the first transmission shaft 421 and the second transmission shaft 422 extend from the inside to the outside of the transmission case 424, respectively.

Referring to fig. 10, the transfer device 46 includes a first transfer wheel 461, a second transfer wheel 462, a mounting shaft 463, a transfer belt 464, and a holding portion 465. The holding portion 465 has a mounting end 4651 and a free end 4652 corresponding to the mounting end 4651, and the mounting end 4651 of the holding portion 465 is rotatably mounted to the chassis 13 of the housing 10. For example, the mounting end 4651 of the holding portion 465 is mounted to the chassis 13 of the housing 10 via a pivot so that the height of the free end 4652 of the holding portion 465 from the ground can be adjusted when the mounting end 4651 of the holding portion 465 is driven to rotate about the pivot. The first transfer wheel 461 is rotatably mounted to the mounting end 4651 of the holder 465, wherein the second transfer shaft 422 of the gearbox 42 extends from the second end gear 4232 of the change gear set 423 to and is connected to the first transfer wheel 461 of the transmission 46. The second transmission wheel 462 is rotatably mounted to the free end 4652 of the holding section 465, and the mounting shaft 463 is provided to the second transmission wheel 462 so that the mounting shaft 463 can rotate in synchronization with the second transmission wheel 462. Preferably, the installation shaft 463 is integrally formed with the second transfer wheel 462, and both ends of the installation shaft 463 protrude from both sides of the second transfer wheel 462, respectively. Alternatively, the installation shaft 463 is installed on the second transmission wheel 462, and both ends of the installation shaft 463 protrude from both sides of the second transmission wheel 462, respectively. Both ends of the transmission belt 464 are respectively connected to the first transmission wheel 461 and the second transmission wheel 462 to allow power to be transmitted from the first transmission wheel 461 to the second transmission wheel 462.

It is worth mentioning that the types of the first transmission wheel 461, the second transmission wheel 462 and the transmission belt 464 correspond to each other, for example, when the first transmission wheel 461 and the second transmission wheel 462 are gears, the transmission belt 464 is a chain transmission belt.

Preferably, the holding portion 465 is a holding case to accommodate the first transmission wheel 461, the second transmission wheel 462 and the transmission belt 464, and both ends of the mounting shaft 463 extend from the inside to the outside of the holding portion 465 at the free ends 4652 of the holding portion 465, respectively.

The cultivating blade 43 includes a first cultivating section 431 and a second cultivating section 432, wherein the first cultivating section 431 is mounted to one end of the mounting shaft 463 of the transmission device 46, and the second cultivating section 432 is mounted to the other end of the mounting shaft 463 of the transmission device 46. Preferably, the first and second tilling

portions

431 and 432 have the same structure, and the first and second tilling

portions

431 and 432 are symmetrical to each other.

Specifically, the first and second tilling

portions

431 and 432 further include a mounting body 4301 and at least one blade set 4302 mounted to the mounting body 4301, respectively, wherein the mounting body 4301 is mounted to the mounting shaft 463 of the transmission device 46. Preferably, the mounting body 4301 of the tilling blade 43 is detachably mounted to the mounting shaft 463 of the transmission device 46.

Preferably, the mounting body 4301 of the tilling blade 43 is fitted around the outside of the mounting shaft 463 of the transmission device 46.

The process in which the tilling blade 43 is driven is: first, after the power supply unit 20 supplies electric power to the farming drive motor 41, the farming drive motor 41 can supply power; secondly, the first transmission shaft 421 of the gearbox 42 transmits the power provided by the cultivation driving motor 41 from the first end gear 4231 to the speed change gear set 423; third, the second transmission shaft 422 of the transmission 42 will be decelerated and torque-increased by the transmission gear set 423 to transmit power to the first transmission wheel 461 of the transmission device 46; fourth, the transmission belt 464 of the transmission device 46 further transmits power to the second transmission wheel 462, so that when the second transmission wheel 462 rotates the mounting shaft 463 synchronously, the mounting shaft 463 rotates the first and second tilling

portions

431 and 432 of the tilling blade 43 synchronously, thereby tilling the land with the tilling blade 43.

Referring to fig. 6 and 7, the housing 10 further includes a mounting mechanism 17, the mounting mechanism 17 being disposed on the chassis 13, and the mounting mechanism 17 being located at the rear end portion 12 of the housing 10, wherein the mounting end 4651 of the holding portion 465 of the transport device 46 is rotatably mounted to the mounting mechanism 17 of the housing 10. Preferably, the mounting mechanism 17 has two mounting arms 171 and a mounting space 172, wherein the two mounting arms 171 are mounted to the chassis 13 symmetrically and at intervals to form the mounting space 172 between the two mounting arms 171, and wherein the mounting end 4651 of the holding portion 465 of the transmission device 46 is rotatably mounted to the two mounting arms 171 in such a manner as to be rotatably held in the mounting space 172 of the mounting mechanism 17. Preferably, the second transmission shaft 422 of the transmission case 42 extends from the second end gear 4232 of the speed change gear set 423 to the inside of the holding portion 465 through one of the mounting arms 171 of the mounting mechanism 17 and the holding portion 465 to be connected to the first transmission wheel 461.

Referring to fig. 8-11, the cultivating unit 40 further includes a first hydraulic device 44, wherein the first hydraulic device 44 is disposed at the rear end portion 12 of the housing 10, and the first hydraulic device 44 is electrically connected to the power supply unit 20, and the mounting end 4651 of the holding portion 465 of the transmission device 46 is drivably mounted to the first hydraulic device 44. The first hydraulic device 44 is capable of controlling the angle of the tilling blade 43 with respect to the frame 10 to control whether the tilling blade 43 tills and the tilling depth. For example, when the crawler micro-cultivator needs only walking and does not need to cultivate land, the first hydraulic device 44 can lift the cultivating blade 43 to avoid the cultivating blade 43 from contacting the ground by driving the transmission device 46 to rotate relative to the frame 10, so that the cultivating blade 43 is protected, and when the crawler micro-cultivator needs to cultivate land, the first hydraulic device 44 can press the cultivating blade 43 downwards by driving the transmission device 46 to rotate relative to the frame 10 to allow the cultivating blade 43 to contact the ground and can go deep below the ground surface to cultivate land.

Specifically, the first hydraulic device 44 includes a first connecting rod 441, a second connecting rod 442, a third connecting rod 443, and a first hydraulic mechanism 444, wherein the first hydraulic mechanism 444 is rotatably mounted to the chassis 13 of the frame 10, and the first hydraulic machine 444 extends obliquely upward and toward the rear end portion 12 of the frame 10, wherein one end of the first connecting rod 441 is drivably mounted to the first hydraulic mechanism 444, the other end of the first connecting rod 441 is rotatably mounted to the chassis 13 of the frame 10, one end portion of the second connecting rod 442 is mounted to the mounting end 4651 of the holding portion 465 of the transmission device 46, both ends of the third connecting rod 443 are rotatably connected to the end of the first connecting rod 441 connected to the first hydraulic mechanism 444 and the end of the second connecting rod 442, respectively. When the first hydraulic mechanism 444 is contracted, the first connecting rod 441, the third connecting rod 443 and the second connecting rod 442 cooperate with each other to drive the holding portion 465 of the transmission device 46 to rotate relative to the frame 10 so that the cultivating blade 43 is lifted up to be prevented from contacting the ground, and accordingly, when the first hydraulic mechanism 444 is expanded, the first connecting rod 441, the third connecting rod 443 and the second connecting rod 442 cooperate with each other to drive the holding portion 465 of the transmission device 46 to rotate relative to the frame 10 so that the cultivating blade 43 is pressed down to allow contact with the ground even deep under the ground surface.

Preferably, the first hydraulic device 44 further includes a first hydraulic motor 445, wherein the first hydraulic motor 445 is electrically connected to the power supply unit 20, and the first hydraulic mechanism 444 is connected to the first hydraulic motor 445. When the power supply unit 20 supplies electric power to the first hydraulic motor 445, the first hydraulic motor 445 can control the state of the first hydraulic mechanism 444, for example, the first hydraulic motor 445 can allow the first hydraulic mechanism 444 to be switched from the contracted state to the extended state and from the extended state to the contracted state. Preferably, the first hydraulic motor 445 is mounted to the first hydraulic mechanism 444.

Preferably, the cultivating unit 40 further comprises a guard 45, wherein the guard 45 is covered on the outer side of the cultivating blade 43, and the guard 45 is held between the frame 10 and the cultivating blade 43, and when the cultivating blade 43 cultivates the ground to cause an earth-up condition, the guard 45 prevents the earth-up condition from being further turned up to the frame 10. More preferably, the protection device 45 is further covered on the upper side of the cultivating blade 43, so that the situation that the cultivating blade 43 turns up soil when cultivating the soil is further reduced or even prevented by the protection device 45. Preferably, the guard 45 is mounted to the holder 465 of the transmission device 46 to allow the holder 465 and the tilling blade 43 to be synchronously driven by the first hydraulic device 44 for rotation relative to the frame 10.

Further, the crawler micro-cultivator includes a control unit 50, wherein the power supply unit 20, the walking drive motor 31 of each walking unit 30, and the cultivation drive motor 41 and the first hydraulic device 44 of the cultivation unit 40 are controllably connected to the control unit 50, respectively, so as to control the power supply state of the power supply unit 20 to the walking drive motor 31 of each walking unit 30 and the cultivation drive motor 41 and the first hydraulic device 44 of the cultivation unit 40 by the control unit 50.

Specifically, when the control unit 50 allows the power supply unit 20 to supply power to the travel driving motor 31 of the travel unit 30, the rotor of the travel driving motor 31 can be rotated to synchronously drive the driving wheels 32. It is understood that the control unit 50 can control the power supply unit 20 to simultaneously supply power to the traveling drive motors 31 of the two traveling units 30, so that the two traveling units 30 of the tracked mini-tiller travel synchronously, thereby controlling the tracked mini-tiller to move forward or backward. The control unit 50 can control the power supply unit 20 to individually supply power to the traveling drive motor 31 of one of the traveling units 30, so that one of the traveling units 30 of the tracked mini-tiller travels while the other traveling unit 30 of the tracked mini-tiller is stationary, thereby controlling the tracked mini-tiller to turn.

The control unit 50 allows the power supply unit 20 to supply power to the first hydraulic devices 44 of the cultivating unit 40 to contract or expand the first hydraulic devices 44, so that when the first hydraulic devices 44 contract, the cultivating blades 43 are lifted to be prevented from contacting the ground, and correspondingly, when the first hydraulic devices 44 expand, the cultivating blades 43 are pressed downward to be allowed to contact the ground even deep under the ground.

The control unit 50 allows the power supply unit 20 to supply power to the tilling drive motor 41 of the tilling unit 40, and the rotor of the tilling drive motor 41 is rotatable to transmit power to the tilling blades 43 after being decelerated and torque increased by the transmission case 42, so that the tilling blades 43 can be driven to rotate.

Preferably, the control unit 50 is capable of receiving a control signal to control the power supply state of the power supply unit 20 to the walking drive motor 31 of each walking unit 30 and the tilling drive motor 41 of the tilling unit 40 and the first hydraulic device 44 when the control signal is executed.

For example, in a preferred example of the tracked mini-tiller of the present invention, a remote controller can be allowed to be connected to the control unit 50 of the tracked mini-tiller, so that the remote controller can generate the control signal and transmit the control signal to the control unit 50 of the tracked mini-tiller when operated by a worker, so as to allow the control unit 50 to control the power supply state of the power supply unit 20 to the walking drive motor 31 of each walking unit 30 and the tilling drive motor 41 of the tilling unit 40 and the first hydraulic device 44 when executing the control signal.

In another preferred example of the crawler type micro-cultivator of the present invention, a cultivation program is set so that when the crawler type micro-cultivator cultivates, the cultivation program can generate the control signal according to the state of the crawler type micro-cultivator, cultivation environment, etc., so that, subsequently, when the control signal is executed by the control unit 50, the control unit 50 can control the power supply unit 20 to each of the walking unit 30, the walking drive motor 31, and the cultivation drive motor 41, and the first hydraulic device 44, the power supply state of the power supply unit 40 is controlled.

Referring to fig. 1 to 5, the tracked mini-tiller further comprises a housing unit 70, wherein the housing unit 70 comprises a set of first housings 71 and two second housings 72, each first housing 71 is respectively mounted on the frame 10 to form the appearance of the main body of the tracked mini-tiller, and each second housing 72 is respectively mounted on the traveling unit 30 to form the appearance of the traveling mechanism of the tracked mini-tiller.

Preferably, the first housing 71 may be made of at least one plastic plate or metal plate, and is mounted to the frame 10 by a screw or snap-fit structure to form a main body appearance of the crawler micro-cultivator; accordingly, the second housing 72 may be made of at least one plastic plate or metal plate, and is mounted to the traveling unit 30 by a screw or a snap-fit structure to form the appearance of the traveling mechanism of the crawler micro-cultivator. Preferably, the first casing 71 of the casing unit 70 covers the power supply unit 20 and the control unit 50, so that the power supply unit 20 and the control unit 50 can be hidden to avoid the power supply unit 20 and the control unit 50 from being exposed. In addition, the crawler micro-cultivator can provide a waterproof function by covering the power supply unit 20 and the control unit 50 with the first housing 71, so as to ensure the reliability of the power supply unit 20 and the control unit 50.

Fig. 16 to 33 show a crawler-type mini-tiller according to a second preferred embodiment of the present invention, different from the crawler-type mini-tiller shown in fig. 1 to 15, in the crawler-type mini-tiller shown in fig. 16 to 33, the traveling driving motor 31 of the traveling unit 30 is mounted on the chassis 13 of the frame 10 and is electrically connected to the power supply unit 20, and the traveling driving motor 31 is located at the front end portion 11 of the frame 10. The driving wheels 32 of the traveling unit 30 are drivably mounted to the traveling drive motor 31 such that the driving wheels 32 are held at the front end portion 11 of the frame 10. The driving wheels 32 form a part of the upper wheels of the traveling unit 30. The supporting frames 36 of each traveling unit 30 are respectively installed at opposite sides of the chassis 13 of the frame 10 symmetrically to each other, and the supporting frames 36 extend from the driving wheels 32 in a direction toward the rear end portion 12 of the frame 10. The tension pulley 33 is rotatably attached to the support bracket 36, and the tension pulley 33 is held at the rear end portion 12 of the frame 10. The tension pulley 33 forms a part of the lower wheels of the traveling unit 30. At least one of the support wheels 34 is rotatably mounted to an upper side of the support frame 36 to form a part of the upper wheels, and at least one of the support wheels 34 is rotatably mounted to a lower side of the support frame 36 to form a part of the lower wheels. The crawler 35 is installed outside the driving wheel 32, the tension wheel 33, and the support wheel 34, so that the crawler 35 is supported by the driving wheel 32, the tension wheel 33, and the support wheel 34. When the power supply unit 20 supplies power to the walking driving motor 31, the walking driving motor 31 can provide power to drive the driving wheel 32, so that under the cooperation of the tension wheel 33 and the supporting wheel 34, the crawler 35 can rotate to drive the crawler micro-cultivator to walk.

Preferably, referring to fig. 30 to 33, in this preferred example of the crawler type mini-tiller of the present invention, two of the support wheels 34 are mounted on the upper side of the support frame 36 in a spaced manner to allow the driving wheel 32 and two of the support wheels 34 to form the upper row wheel, and three of the support wheels 34 are mounted on the lower side of the support wheel 36 in a spaced manner to allow the tension wheel 33 and three of the support wheels 34 to form the lower row wheel. In other words, the upper wheels and the lower wheels can support the crawler 35 to allow the crawler 35 to form a certain shape, for example, the upper wheels and the lower wheels can support the crawler 35 to allow the crawler 35 to form a substantially parallelogram structure, which is advantageous for enlarging the contact area of the crawler 35 with the ground, thereby improving the climbing capability of the crawler micro-cultivator.

Referring to fig. 16 to 20, and 23 to 26, the tilling unit 40 includes a tilling driving motor 41, a gear box 42, and a tilling blade 43. The cultivation drive motor 41 is provided to the rear end portion 12 of the frame 10, and the cultivation drive motor 41 is electrically connected to the power supply unit 20 so that the cultivation drive motor 41 can supply power after the power supply unit 20 supplies electric power to the cultivation drive motor 41. The gearbox 42 is held at the rear end portion 12 of the frame 10, and the gearbox 42 is connected to the tilling drive motor 41. The tilling blade 43 is drivably connected to the gearbox 42. When the power supply unit 20 supplies power to the tilling drive motor 41 to allow the rotor of the tilling drive motor 41 to rotate to provide power, the transmission 42 can be decelerated to transmit power to the tilling blade 43 after increasing the torque, thereby driving the tilling blade 43 to rotate for tilling operations.

In the preferred example of the crawler-type mini-tiller shown in fig. 16 to 33, the tilling unit 40 includes a transmission device 46, and the tilling blade 43 is drivably connected to the transmission case 42 through the transmission device 46, so that the power generated by the tilling drive motor 41 after being supplied with electric power is added with torque through the transmission case 43 and then further transmitted to the tilling blade 43 through the transmission device 46 to rotate the tilling blade 43.

Specifically, the tilling drive motor 41 is mounted at the connecting position of the chassis 13 and the side frame 14 of the frame 10, and the tilling drive motor 41 is held in the arrangement space 15 of the frame 10.

Referring to fig. 25, the transmission case 42 includes a first transmission shaft 421, a second transmission shaft 422, and a speed change gear set 423 formed of a plurality of gear combinations having a first end portion and a second end portion corresponding to the first end portion, wherein the gear forming the first end portion of the speed change gear set 423 is named a first end gear 4231, and correspondingly, the gear forming the second end portion of the speed change gear set 423 is named a second end gear 4232, wherein the first transmission shaft 421 is provided at the first end gear 4231 of the speed change gear set 423, and the first transmission shaft 421 is extended from the first end gear 4231 of the speed change gear set 423 and is drivably mounted to the cultivation driving motor 41, wherein the second transmission shaft 422 is provided at the second end gear 4232 of the speed change gear set 423, and the second transmission shaft 422 extends from the second end gear 4232 of the speed change gear set 423 to and is connected to the transmission device 46, so that the gearbox 42 can transmit the power provided by the cultivation drive motor 41 to the transmission device 46 after increasing the torque. Preferably, the transmission case 42 further includes a case housing 424 configured to cover the gearset 423 such that the gearset 423 is prevented from being exposed to protect the gearset 423. It is understood that the first and

second transmission shafts

421 and 422 can pass through the transmission case 424 to extend from the inside to the outside of the transmission case 424. In other words, the speed change gear set 423 is accommodated inside the transmission case 424, and the first and

second transmission shafts

421 and 422 extend from the inside to the outside of the transmission case 424, respectively.

The transmission device 46 includes a first transmission wheel 461, a second transmission wheel 462, a mounting shaft 463, a transmission belt 464, and a holding portion 465. The holding portion 465 has a mounting end 4651 and a free end 4652 corresponding to the mounting end 4651, and the mounting end 4651 of the holding portion 465 is rotatably mounted to the chassis 13 of the housing 10. The first transfer wheel 461 is rotatably mounted to the mounting end 4651 of the holder 465, wherein the second transfer shaft 422 of the gearbox 42 extends from the second end gear 4232 of the change gear set 423 to and is connected to the first transfer wheel 461 of the transmission 46. The second transmission wheel 462 is rotatably mounted to the free end 4652 of the holding section 465, and the mounting shaft 463 is provided to the second transmission wheel 462 so that the mounting shaft 463 can rotate in synchronization with the second transmission wheel 462. Preferably, the installation shaft 463 is integrally formed with the second transfer wheel 462, and both ends of the installation shaft 463 protrude from both sides of the second transfer wheel 462, respectively. Alternatively, the installation shaft 463 is installed on the second transmission wheel 462, and both ends of the installation shaft 463 protrude from both sides of the second transmission wheel 462, respectively. Both ends of the transmission belt 464 are respectively connected to the first transmission wheel 461 and the second transmission wheel 462 to allow power to be transmitted from the first transmission wheel 461 to the second transmission wheel 462.

Preferably, the holding portion 465 is a holding case to accommodate the first transmission wheel 461, the second transmission wheel 462 and the transmission belt 464, and both ends of the mounting shaft 463 extend from the inside to the outside of the holding portion 465 at the free ends 4652 of the holding portion 465, respectively. In other words, the first transfer wheel 461, the second transfer wheel 462, and the transfer belt 464 are respectively accommodated inside the holding case.

portions

431 and 432 have the same structure, and the first and second tilling

portions

431 and 432 are symmetrical to each other.

Specifically, the first and second tilling

portions

431 and 432 further include a mounting body 4301 and at least one blade set 4302 mounted to the mounting body 4301, respectively, wherein the mounting body 4301 is mounted to the mounting shaft 463 of the transmission device 46.

portions

Referring to fig. 21 and 22, the housing 10 further includes a mounting mechanism 17, the mounting mechanism 17 being disposed on the chassis 13 and located at the rear end portion 12 of the housing 10, wherein the mounting end 4651 of the holding portion 465 of the transmission device 46 is rotatably mounted to the mounting mechanism 17 of the housing 10. Preferably, the mounting mechanism 17 has two mounting arms 171 and a mounting space 172, wherein the two mounting arms 171 are mounted to the chassis 13 symmetrically and at intervals to form the mounting space 172 between the two mounting arms 171, and wherein the mounting end 4651 of the holding portion 465 of the transmission device 46 is rotatably mounted to the two mounting arms 171 in such a manner as to be rotatably held in the mounting space 172 of the mounting mechanism 17. Preferably, the second transmission shaft 422 of the transmission case 42 extends from the second end gear 4232 of the speed change gear set 423 to the inside of the holding portion 465 through one of the mounting arms 171 of the mounting mechanism 17 and the holding portion 465 to be connected to the first transmission wheel 461.

Preferably, the cultivating unit 40 further comprises a first hydraulic device 44, wherein the first hydraulic device 44 is disposed at the rear end portion 12 of the frame 10, and the first hydraulic device 44 is electrically connected to the power supply unit 20, and the mounting end 4651 of the holding portion 465 of the transmission device 46 is drivably mounted to the first hydraulic device 44. The first hydraulic device 44 is capable of controlling the angle of the tilling blade 43 with respect to the frame 10 to control whether the tilling blade 43 tills and the tilling depth. For example, when the crawler micro-cultivator needs only walking and does not need to cultivate land, the first hydraulic device 44 can lift the cultivating blade 43 to avoid the cultivating blade 43 from contacting the ground by driving the transmission device 46 to rotate relative to the frame 10, so that the cultivating blade 43 is protected, and when the crawler micro-cultivator needs to cultivate land, the first hydraulic device 44 can press the cultivating blade 43 downwards by driving the transmission device 46 to rotate relative to the frame 10 to allow the cultivating blade 43 to contact the ground and can go deep below the ground surface to cultivate land.

Specifically, the first hydraulic device 44 includes a first connecting rod 441 and a first hydraulic mechanism 444, wherein the first hydraulic mechanism 444 is rotatably mounted to the chassis 13 of the frame 10, and the first hydraulic mechanism 444 extends downward from the chassis 13 and obliquely toward the rear end portion 12 of the frame 10, and both ends of the first connecting rod 441 are respectively connected to the first hydraulic mechanism 444 and the mounting end 4651 of the holding portion 465 of the transmission device 46. When the first hydraulic mechanism 444 is contracted, the first hydraulic mechanism 444 presses down the cultivating blade 43 through the first connecting rod 441 so that the cultivating blade 43 is pressed down to allow contact with the ground even deep under the ground surface, and when the first hydraulic mechanism 444 is extended, the first hydraulic mechanism 444 lifts up the cultivating blade 43 through the first connecting rod 441 so that the cultivating blade 43 is lifted up to be prevented from contacting with the ground surface.

Preferably, the first hydraulic device 44 further comprises a first hydraulic motor 445, wherein the first hydraulic motor 445 is electrically connected to the power supply unit 20 and to the first hydraulic means 444. When the power supply unit 20 supplies electric power to the first hydraulic motor 445, the first hydraulic motor 445 can control the state of the first hydraulic mechanism 444, for example, the first hydraulic motor 445 can allow the first hydraulic mechanism 444 to be switched from the contracted state to the extended state and from the extended state to the contracted state.

Referring to fig. 16 to 20 and 27 to 29, the crawler micro-cultivator further comprises a blade unit 60, wherein the blade unit 60 comprises a second hydraulic device 61 and a blade device 62. The blade device 62 further includes a blade body 621 and a blade mounting mechanism 622 extending from the blade body 621, wherein the blade mounting mechanism 622 is rotatably mounted on the chassis 13 of the frame 10 and located at the front end 11 of the frame 10, so as to hold the blade body 621 at the front end 11 of the frame 10 by the blade mounting mechanism 622. The second hydraulic device 61 includes a second hydraulic mechanism 611, the second hydraulic mechanism 611 is rotatably mounted to the chassis 13 of the frame 10, the second hydraulic mechanism 611 extends downward from the chassis 13 and obliquely toward the front end 11 of the frame 10, and the blade body 621 is rotatably mounted to the second hydraulic mechanism 611. When the second hydraulic mechanism 611 is extended, the blade body 621 and the blade mounting mechanism 622 are driven to rotate relative to the frame 10 to press the blade body 621 down to contact the ground, and accordingly, when the second hydraulic mechanism 611 is retracted, the blade body 621 and the blade mounting mechanism 622 are driven to rotate relative to the frame 10 to lift the blade body 621 up to prevent the blade body 621 from contacting the ground.

Preferably, the second hydraulic device 61 further comprises a second hydraulic motor 612, wherein the second hydraulic motor 612 is electrically connected to the power supply unit 20 and to the second hydraulic mechanism 611. When the power supply unit 20 supplies electric power to the second hydraulic motor 612, the second hydraulic motor 612 can control the state of the second hydraulic mechanism 611, for example, the second hydraulic motor 612 can allow the second hydraulic mechanism 611 to transition from the contracted state to the extended state and from the extended state to the contracted state.

The utility model discloses a specific farming process of track type mini tiller can be: the control unit 50 controls the second hydraulic device 61 to extend to press the blade body 621 down to allow the blade body 621 to contact the ground; the control unit 50 controls the first hydraulic device 44 to extend to press the tilling blades 43 down to allow the tilling blades 43 to contact the ground and have a tendency to dig into the ground below; the control unit 50 controls the power supply unit 20 to supply power to the travel driving motor 31 of each of the travel units 30 to drive the driving wheels 32 to rotate synchronously by the travel driving motor 31, thereby driving the crawler 35 to rotate to advance the crawler micro-cultivator, and the cultivating blade 43 penetrates into the ground surface to cultivate the soil during the advance of the crawler micro-cultivator. Preferably, the control unit 50 may monitor the operating state of the crawler micro-cultivator to adjust the state of the second hydraulic device 61 at any time according to the operating state of the crawler micro-cultivator so as to ensure that the blade body 621 can flatten the ground, and adjust the state of the first hydraulic device 43 at any time according to the operating state of the crawler micro-cultivator so as to ensure the cultivation depth of the cultivation blade 43, in such a way that the crawler micro-cultivator can reduce the influence of the reaction force of the ground on the cultivation depth.

According to another aspect of the utility model, the utility model discloses a crawler-type mini-tiller assembly method is further provided, wherein the assembly method includes following step:

(a) mounting the power supply unit 20 to the chassis 13 of the rack 10;

(b) respectively installing the crawler-type traveling units 30 on both sides of the chassis 13 of the frame 10, and electrically connecting the traveling driving motors 31 of the traveling units 30 to the power supply unit 20;

(c) adjustably mounting the cultivating unit 40 to one end of the chassis 13 of the frame 10, and electrically connecting the cultivating driving motor 41 of the cultivating unit 40 to the power supply unit 20 to assemble the crawler type micro-cultivator.

Preferably, the step (b) further comprises the steps of:

(b.1) mounting the traveling drive motor 31 on the side of the chassis 13 in such a manner that the traveling drive motor 31 is held at the front end portion 11 of the frame 10;

(b.2) mounting the support frame 36 on the side of the chassis 13 in such a manner that the support frame 36 extends from the travel driving motor 31 toward the rear end portion 12 of the frame 10;

(b.3) forming the upper and lower wheels on upper and lower sides of the support frame 36, respectively, wherein the driving wheel 32 forming a part of the upper wheel is drivably mounted to the travel driving motor 31; and

(b.4) sleeving the caterpillar 36 on the upper and lower wheels to allow the upper and lower wheels to support the caterpillar 36 to form a predetermined structure. For example, in one preferred example of the tracked mini-tiller the upper and lower wheels support the track 36 to form an inverted trapezoidal structure, and in another preferred example of the tracked mini-tiller the upper and lower wheels support the track 36 to form a parallelogram structure,

Preferably, the step (c) further comprises the steps of:

(c.1) mounting said tilling drive motor 31 at one side portion of said chassis 13 at said rear end portion 12 of said frame 10;

(c.2) allowing the first transmission shaft 421 of the gearbox 42 to extend from the first end gear 4231 of the speed change gear set 423 to and be mounted to the farming drive motor 31;

(c.3) allowing the second transfer shaft 422 of the gearbox 42 to extend from the second end gear 4232 of the speed change gear set 423 to and be mounted to the first transfer wheel 461 of the transmission 46; and

(c.4) mounting the tilling blade 43 to the mounting shaft 463 of the transmission device 46 extending from the second transmission wheel 462.

The assembly method further comprises the steps of:

(d) adjustably mounting the blade unit 60 to one end of the chassis 13 of the frame 10, wherein the blade unit 60 is retained at the front end 11 of the frame 10 and the tilling unit 40 is retained at the rear end 12 of the frame 10.

The assembly method further comprises the steps of:

(e) the first housing 71 is mounted to the frame 10 to enclose the power supply unit 20 in such a manner that the power supply unit 20 is prevented from being exposed, thereby improving the waterproof performance of the crawler type mini tiller.

It will be appreciated by persons skilled in the art that the above embodiments are only examples, wherein features of different embodiments may be combined with each other to obtain embodiments which are easily imaginable in accordance with the disclosure of the invention, but which are not explicitly indicated in the drawings.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A crawler-type mini-tiller is characterized by comprising:

2. The tracked mini-tiller of claim 1, further comprising a blade unit, wherein the blade unit is rotatably mounted to the chassis and is electrically connected to the power supply unit, and the blade unit is retained at the front end of the frame.

3. The tracked mini-tiller of claim 1, wherein the power supply unit is retained at the front end of the frame.

4. The tracked mini tiller of claim 1, wherein the power supply unit is retained at the rear end of the frame.

5. The tracked mini-tiller of claim 3, wherein said frame further comprises at least one battery compartment mounted to said chassis and retained at said front end of said frame, wherein said battery compartment has at least one battery mounting cavity and a battery access opening communicating with said battery mounting cavity, said power supply unit being allowed to be removably mounted to said battery mounting cavity of said battery compartment from said battery access opening of said battery compartment.

6. The tracked mini-tiller of claim 4, wherein the frame further comprises at least one battery compartment mounted to the chassis and held in the middle of the frame, wherein the battery compartment has at least one battery mounting cavity and a battery access opening communicating with the battery mounting cavity, and the power supply unit is allowed to be detachably mounted to the battery mounting cavity of the battery compartment from the battery access opening of the battery compartment.

7. The tracked mini-tiller of any one of claims 1-5, further comprising a first housing disposed in the frame to enclose the power supply unit.

8. The crawler type mini-tiller of any one of claims 1 to 5, wherein the traveling unit includes a traveling driving motor, an upper row of wheels, a lower row of wheels, a crawler, and a support frame, wherein the traveling driving motor is mounted to a side portion of the chassis in such a manner as to be held at the front end portion of the frame and is electrically connected to the power supply unit, wherein the support frame is mounted to the side portion of the chassis, the upper row of wheels and the lower row of wheels are formed at upper and lower sides of the support frame, respectively, and a driving wheel forming the upper row of wheels is drivably mounted to the traveling driving motor, wherein the crawler is sleeved on the upper row of wheels and the lower row of wheels to be supported by the upper row of wheels and the lower row of wheels to form a predetermined structure.

9. The tracked mini-tiller of claim 8, wherein said upper and lower rows of wheels support said track to form an inverted trapezoidal configuration.

10. The tracked mini-tiller of claim 8, wherein the upper and lower rows of wheels support the track to form a parallelogram structure.

11. The tracked mini-tiller of claims 1, 3, 4 or 5, wherein the tilling unit includes:

a cultivating knife;

12. The tracked mini-tiller of claim 2, wherein the tilling unit includes:

a cultivating knife;

13. The tracked mini-tiller of claim 11, wherein the tilling unit includes a first hydraulic device mounted to the frame, the mounting end of the holding portion of the transmission device being drivably mounted to the first hydraulic device.

14. The tracked mini-tiller of claim 12, wherein the tilling unit includes a first hydraulic device mounted to the frame, the mounting end of the holding portion of the transmission device being drivably mounted to the first hydraulic device.

15. The tracked mini-tiller of claim 13, wherein said first hydraulic device comprises a first connecting rod, a second connecting rod, a third connecting rod and a first hydraulic mechanism, wherein the first hydraulic mechanism is rotatably mounted to the frame, and the first hydraulic mechanism extends obliquely upward and toward the rear end portion of the frame, wherein one end of the first connecting rod is drivably connected to the first hydraulic mechanism, the other end of the first connecting rod is rotatably mounted to the frame, wherein one end portion of the second connecting rod is mounted to the mounting end of the holding portion, and wherein both end portions of the third connecting rod are rotatably mounted to the other end portion of the second connecting rod and the end portion of the first connecting rod connected to the first hydraulic mechanism, respectively.

16. The tracked mini-tiller of claim 14, wherein said first hydraulic device comprises a first connecting rod, a second connecting rod, a third connecting rod and a first hydraulic mechanism, wherein the first hydraulic mechanism is rotatably mounted to the frame, and the first hydraulic mechanism extends obliquely upward and toward the rear end portion of the frame, wherein one end of the first connecting rod is drivably connected to the first hydraulic mechanism, the other end of the first connecting rod is rotatably mounted to the frame, wherein one end portion of the second connecting rod is mounted to the mounting end of the holding portion, and wherein both end portions of the third connecting rod are rotatably mounted to the other end portion of the second connecting rod and the end portion of the first connecting rod connected to the first hydraulic mechanism, respectively.

17. The tracked mini-tiller of claim 13, wherein said first hydraulic means comprises a first connecting rod and a first hydraulic mechanism, wherein said first hydraulic mechanism is rotatably mounted to said frame and extends obliquely downward and toward said rear end of said frame, and both ends of said first connecting rod are rotatably mounted to said mounting ends of said first hydraulic mechanism and said holder, respectively.

18. The tracked mini-tiller of claim 14, wherein said first hydraulic means comprises a first connecting rod and a first hydraulic mechanism, wherein said first hydraulic mechanism is rotatably mounted to said frame and extends obliquely downward and toward said rear end of said frame, and both ends of said first connecting rod are rotatably mounted to said mounting ends of said first hydraulic mechanism and said holder, respectively.

19. The tracked mini-tiller of claim 16, wherein said blade unit includes a second hydraulic device and a blade device, wherein said blade device includes a blade body and a blade mounting mechanism extending from said blade body, said blade mounting mechanism being rotatably mounted to said front end of said frame, wherein said second hydraulic device includes a second hydraulic mechanism, said second hydraulic mechanism being rotatably mounted to said frame, and said second hydraulic mechanism extending downwardly and obliquely toward said front end of said frame, said blade body or said blade mounting mechanism being rotatably mounted to said second hydraulic mechanism.

20. The tracked mini-tiller of claim 19, wherein said second hydraulic means comprises a second hydraulic motor, said second hydraulic motor being electrically connected to said power unit, said second hydraulic mechanism being connected to said second hydraulic motor.