CN216673730U

CN216673730U - Farming machine

Info

Publication number: CN216673730U
Application number: CN202123229001.8U
Authority: CN
Inventors: 俞利闰; 胡松涛; 郭庚鑫; 夏保升
Original assignee: Zhejiang Xinglaihe Agricultural Equipment Co ltd
Current assignee: Zhejiang Xinglaihe Agricultural Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-07
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a farming machine; the rotary cultivator comprises a walking part, a rotary tillage mechanism, a suspension mechanism and a horizontal detection mechanism, wherein the suspension mechanism comprises a suspension frame assembly and a suspension seat assembly, the suspension frame assembly comprises an upper cantilever, a lower cantilever, a hanging frame and a driving cylinder, and the end parts of the upper cantilever and the lower cantilever on the same side are hinged with the hanging frame; one end of the driving cylinder acts on the lower cantilever to drive the upper cantilever, the lower cantilever and the hanging rack to be linked, so that the hanging seat assembly is lifted or lowered; the bottom end of the hanging seat assembly is provided with a shaft hole for connecting agricultural implements of different styles, the hanging seat assembly is detachably connected to the hanging frame assembly, the other ends of the upper cantilever and the lower cantilever are hinged to the traveling part, and the other end of the driving cylinder is also hinged to the traveling part; the hanging seat assembly is hung and fixed on the hanging frame assembly, and the rotary tillage mechanism is connected with the hanging seat assembly through a shaft body; the rotary tillage mechanism is adaptive to various types of agricultural implements and can be automatically adjusted to be horizontal.

Description

Farming machine

Technical Field

The utility model relates to the technical field of farming, in particular to a farming machine.

Background

In modern agricultural production, ecological agriculture is more and more required, and protective farming techniques just meet the requirement. The protective farming refers to a sustainable agricultural technology which reduces the soil erosion of the farmland, protects the ecological environment of the farmland and obtains the coordinated development of ecological benefit, economic benefit and social benefit through less tillage, no tillage, surface micro-topography transformation technology, surface covering, reasonable planting and other comprehensive supporting measures. The core technology comprises the farmland soil surface cultivation technologies such as minimum tillage, no tillage, high tillage of gentle slope lands, furrow ridge cultivation, stubble covering cultivation, straw covering and the like, and special machines and tools matched with the farmland soil surface cultivation technologies.

In view of the fact that the field surface may have unevenness, the left and right wheels may not be on the same horizontal plane when the walking part works in the field, and the vehicle body inclines, and the three-point suspension rotary cultivator commonly used in the market inclines along with the inclination of the walking part, for example, the 'rotary tillage deep loosening fertilizer applicator' of patent number CN108605450A comprises a frame, a fertilizer arrangement mechanism, a land wheel transmission system, a deep loosening mechanism and a rotary tillage mechanism. The subsoiling shovel is inserted into the ground surface to subsoil the farmland; when the tractor marchs, drive the land wheel and rotate, the epaxial driven sprocket of fertilizer discharging is driven through the chain to the drive sprocket on the land wheel to the fertilizer discharging axle rotates, carries out the fertilizer discharging to fertilizer, and fertilizer rotates through two sections reverse helical blade and transports the fertile bucket both ends of row, falls into toper unloading funnel, and the fertile union coupling of rethread gets into the fertilization pipe on the subsoiler, and then fertilizes the farmland of going into the subsoiling, accomplishes rotary tillage subsoiling fertilization operation. Once the rotary cultivator of the scheme is inclined, rotary tillage performance indexes such as tilling depth, planeness after tilling and the like are seriously influenced, so that the rotary tillage effect is poor; in addition, once the existing farming machine is connected and fixed with a farming tool, the function of the farming machine is fixed and single, for example, after the walking part is connected and fixed with the weeding mechanism, the farming machine is singly used for weeding, so that the farming machine which can automatically adjust the level and can be matched with various farming machines of different types has great significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an agricultural cultivator which is suitable for various types of agricultural implements and can automatically adjust the level of a rotary tillage mechanism of the agricultural cultivator.

In order to achieve the purpose, the main technical solution of the utility model is a farming machine, which comprises a walking part, a rotary tillage mechanism, a suspension mechanism and a horizontal detection mechanism, wherein the suspension mechanism comprises a suspension frame assembly and a suspension seat assembly, the suspension frame assembly comprises an upper cantilever, a lower cantilever, a hanging frame and a driving cylinder, and the end parts of the upper cantilever and the lower cantilever on the same side are hinged with the hanging frame; one end of the driving cylinder acts on the lower cantilever to drive the upper cantilever, the lower cantilever and the hanging rack to be linked, so that the hanging seat assembly is lifted or lowered; the bottom end of the hanging seat assembly is provided with a shaft hole for connecting agricultural implements of different styles, the hanging seat assembly is detachably connected to the hanging frame assembly, the other ends of the upper cantilever and the lower cantilever are hinged to the traveling part, and the other end of the driving cylinder is also hinged to the traveling part; the hanging seat assembly is hung and fixed on the hanging frame assembly, and the rotary tillage mechanism is connected with the hanging seat assembly through a shaft body; the horizontal detection mechanism comprises a rotating arm part and a horizontal detection device, wherein the rotating arm part is movably connected with the side wall of the hanging seat assembly, and the rotating arm part can rotate around a movable connection point relative to the hanging seat; the horizontal detection device is transversely and horizontally fixedly arranged on the wall surface of the rotating arm piece and is used for monitoring whether the rotating arm piece deviates or not; a tooth moving component is arranged on the side wall of the hanging seat, the rotating arm component is provided with an arc-shaped tooth section meshed with the tooth moving component, and the circle center of the arc-shaped tooth section is overlapped with the movable connection point; the horizontal detection device and the tooth moving assembly are connected with the controller through signals, and two ends of the rotating arm part which is symmetrical along the central axis are respectively provided with a connecting part for connecting the rotary tillage mechanism; through the signal feedback of the horizontal detection device, the tooth moving component is started to drive the rotary arm component and the arc-shaped tooth section to adjust and rotate so as to keep the rotary tillage mechanism horizontal.

In some examples, the bottom end of the hanging seat assembly and the bottom end of the rotating arm piece are sleeved on the shaft body, and the rotating arm piece can axially rotate around the shaft body relative to the hanging seat.

In some examples, the rotating arm part is integrally in a fan-shaped structure, a space avoiding area is arranged in the middle of the rotating arm part, and the gear moving component is positioned in the space avoiding area; the rotary cultivator is characterized in that two sides of the top end of the rotary arm part are respectively provided with a hanging lug hole, the hanging lug holes are used for hanging and establishing a fixed connecting part, the connecting part is a tension spring, one end of the tension spring is arranged and hung on the rotary cultivator, and the other end of the tension spring is hung and arranged in the hanging lug holes, so that the two tension springs are symmetrical to each other by taking the central axis as a reference.

In some examples, the gear-driven assembly includes a gear set and a driving motor, the gear set includes a driving gear and a driven gear, an output end of the driving motor can act on the driving gear and drive the driving gear to rotate, the driving gear is meshed with the driven gear, and the driven gear is meshed with the arc-shaped tooth section; the driven gear comprises a main tooth and a movable tooth which are coaxially arranged, the main tooth and the movable tooth synchronously rotate, the main tooth is meshed with the driving gear, and the movable tooth is meshed with the arc-shaped tooth section.

In some examples, the level detection device comprises a level controller, a support plate, a mounting plate and a U-shaped plate spring, wherein the support plate is fixedly connected to the side wall of the rotating arm piece, the end part of the support plate of the mounting plate is butted through the U-shaped plate spring, and the level controller is mounted on the mounting plate.

In some examples, the driving motor is parallel to a wall surface of the hanging seat, and the driving gear is sleeved on the output end to drive the driving gear to rotate.

In some examples, the top of the hanging rack is provided with a hanging groove, the top of the hanging seat is provided with a transverse shaft, the transverse shaft can be embedded in the hanging groove, and the bottom of the hanging seat is fixedly connected with the bottom of the hanging rack.

In some examples, the bottom of the hanging rack is provided with a C-shaped opening, and the bottom end of the hanging seat is provided with a clamping column for clamping the C-shaped opening; the two side wall surfaces of the hanging rack positioned at the C-shaped opening are respectively provided with a rotatable hook, and the clamping columns can be locked or unlocked by rotating the hooks to open and close.

In some examples, the end of the lower cantilever is movably connected with the side wall of the hanger through a movable shaft, two ends of the inner side wall of the hanging seat assembly which are transversely symmetrical are respectively provided with a locking piece, and the locking pieces can be sleeved on the movable shaft body.

In some examples, the lower cantilever comprises two arms and a cross rod arranged between the two arms, a linkage piece is sleeved at the middle part of the cross rod, and the output end of the driving cylinder is connected with the linkage piece.

Due to the adoption of the technical scheme, the utility model realizes the following effects: (1) whether the rotary tillage mechanism is in the horizontal state or not is monitored through the horizontal detection mechanism, and the tooth moving assembly is started in time to adjust the rotary tillage mechanism to rotate so as to keep the rotary tillage mechanism in the horizontal state all the time. (2) Hang the detachable connection of seat subassembly on hanging the frame subassembly, only need different style agricultural implements to be equipped with an axis body, dock through the axis body and the shaft hole of hanging the seat subassembly, can change different style agricultural implements, and then can change the different effect of farming machine, for example: weeding, farming, sowing and the like.

Drawings

Figure 1 is an embodiment of the utility model not arranged on the walking part,

figure 2 is an exploded view of the embodiment of figure 1 from another perspective,

figure 3 is an exploded view of the suspension mechanism of the embodiment of figure 1 arranged in the upper boom,

figure 4 is an exploded view of the suspension mechanism of the embodiment of figure 3,

figure 5 is the level detection mechanism of the embodiment of figure 1 arranged on a hanging seat,

figure 6 is a horizontal detection mechanism from another perspective of the embodiment of figure 5,

figure 7 is an exploded view of the level detection mechanism of the embodiment of figure 5,

in the figure: the device comprises a rotating arm component 1, a hanging seat component 2, a tension spring 3, a horizontal controller 4, a mounting plate 5, a U-shaped plate spring 6, a supporting plate 7, a driving motor 8, a driven gear 9, a shaft body 10, a clearance area 11, a hanging lug hole 12, an arc-shaped tooth section 13, an upper cantilever 14, a lower cantilever 15, a driving cylinder 16, a hanging frame component 17, a hanging groove 18, a hook 19, a movable shaft body 20, a transverse shaft 21, a clamping column 22, a locking component 23, a shaft hole 24, a C-shaped opening 25, a main tooth 91, a movable tooth 92 and a limiting part 131.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. 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 underlying principles of the utility model, 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 utility model.

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 an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

The first embodiment is as follows:

referring to the drawings of the specification, a farming machine according to a preferred embodiment of the present invention is used for working soil, and can finely crush the soil and uniformly blend soil and fertilizer, as shown in fig. 1 to 7. The farming machine comprises a walking part, a rotary tillage mechanism, a suspension mechanism and a horizontal detection mechanism, wherein the walking part mainly comprises a vehicle body, a steering wheel mechanism, a driving wheel mechanism and the like, and the structure of the walking part is shown in the technical scheme which can be applied by the applicant before; the suspension mechanism comprises a suspension bracket assembly 17 and a suspension seat assembly 2, the suspension bracket assembly 17 comprises an upper cantilever 14, a lower cantilever 15, a hanging rack and a driving cylinder 16, and the end parts of the upper cantilever 14 and the lower cantilever 15 on the same side are hinged with the hanging rack; one end of the driving cylinder 16 acts on the lower cantilever 15 to drive the upper cantilever 14, the lower cantilever 15 and the hanger to be linked, so as to lift or lower the hanging seat assembly 2; the bottom end of the hanging seat assembly 2 is provided with a shaft hole 24 for connecting agricultural implements of different styles, the hanging seat assembly 2 is detachably connected to the suspension frame assembly 17, the other ends of the upper cantilever 14 and the lower cantilever 15 are hinged to the walking part, and the other end of the driving cylinder 16 is also hinged to the walking part; the hanging seat assembly 2 is hung and fixed on the suspension bracket assembly 17, and the rotary tillage mechanism is connected with the hanging seat assembly 2 through a shaft body 10; the horizontal detection mechanism comprises a rotating arm part 1 movably connected with the side wall of the hanging seat assembly 2 and a horizontal detection device, and the rotating arm part 1 can rotate around a movable connection point relative to the hanging seat; the horizontal detection device is transversely and horizontally fixedly arranged on the wall surface of the rotating arm piece 1 and is used for monitoring whether the rotating arm piece 1 deviates or not; a tooth moving component is arranged on the side wall of the hanging seat, the rotating arm component 1 is provided with an arc-shaped tooth section 13 meshed with the tooth moving component, and the circle center of the arc-shaped tooth section 13 is overlapped with the movable connection point; the horizontal detection device and the tooth moving assembly are connected with the controller through signals, and two ends of the rotating arm part 1 which is symmetrical along the central axis are respectively provided with a connecting piece for connecting the rotary tillage mechanism; through signal feedback of the horizontal detection device, the tooth moving component is started to drive the rotary arm component 1 and the arc-shaped tooth section 13 to adjust and rotate so as to keep the rotary tillage mechanism horizontal; the main innovation points of the technical scheme are as follows: on one hand, whether the rotary tillage mechanism is positioned or not is monitored through the horizontal detection mechanism, and the tooth moving assembly is started in time to adjust the rotary tillage mechanism to rotate so as to keep the rotary tillage mechanism to be always in a horizontal state. On the other hand hang seat subassembly 2 detachable connection on hanger bracket subassembly 17, only need different style agricultural implements to be equipped with an axis body 10, dock with the shaft hole 24 of hanging seat subassembly 2 through axis body 10, can change different style agricultural implements, and then can change the different effect of agro-farming machine, for example: weeding, farming, sowing and the like.

Specifically, the bottom end of the hanging seat assembly 2 and the bottom end of the rotating arm member 1 are sleeved on the same shaft body 10, the shaft body 10 is the above-mentioned shaft body 10 for butting the rotary tillage mechanism and the hanging seat, the rotating arm member 1 can axially rotate around the shaft body 10 relative to the hanging seat, and the hanging seat assembly 2 comprises a hanging seat; the whole rotating arm piece 1 is of a fan-shaped structure, a clearance area 11 is arranged in the middle of the rotating arm piece, and the tooth moving assembly is located in the clearance area 11; the utility model discloses a rotary cultivator, including rotary arm spare 1, hanger hole 12, seat subassembly 2, connecting piece, extension spring 3, the one end setting of extension spring 3 is hung and is established on the rotary cultivator, and the other end is hung and is established in hanger hole 12 for two extension springs 3 use the axis as the benchmark symmetry each other, so adopt the aim at of extension spring 3, when rotary tillage mechanism left and right rocking, can open the buffering left and right sides, current three point rotary cultivator mostly adopts the mode of connecting rod to connect, and the inertia when adopting the connecting rod then to swing is great, is used for hanging establishing fixed connector, wherein sets up the benefit of keeping away empty region 11 and lies in can moving the subassembly with the tooth and install in this region, can reduce occupation space to rationally design rotary arm spare 1 and hang the relation of connecting of seat subassembly 2, wherein, in this embodiment, the connecting piece is extension spring 3, can open the left and right rocking the buffering left and right sides, and current three point rotary cultivator adopts the mode of connecting rod to connect, and then inertia when swinging is great, in order to damage the junction. The tooth moves the subassembly and includes a gear assembly and driving motor 8, the gear assembly includes driving gear and driven gear 9, driving motor 8's output can act on the driving gear and drive the driving gear and rotate, driving gear and driven gear 9 meshing, driven gear 9 and the meshing of arc tooth section 13, when level detection device takes place to incline and detects out that rotary tillage mechanism is not in the horizontality, with its signal transmission to controller, controller feedback to driving motor 8, driving motor 8 rotates and drive gear assembly rotates, finally rotates and adjusts the rotation of rocking arm spare 1 through gear assembly and the meshing of arc tooth section 13, pulls both sides extension spring 3 and makes rotary tillage mechanism resume the horizontality.

The driven gear 9 can be implemented as a single gear, but in this embodiment, the driven gear 9 includes a main tooth 91 and a moving tooth 92 that are coaxially disposed, the main tooth 91 and the moving tooth 92 rotate synchronously, the main tooth 91 is engaged with the main tooth 92, the moving tooth 92 is engaged with the arc-shaped tooth section 13, and the diameter of the main tooth 91 is larger than that of the moving tooth 92, so that the design is aimed at that the diameter of the main tooth 91 is large, the rotation amplitude thereof is large, and cannot be adjusted more accurately, so that the rotation size can be further adjusted more accurately by adopting the arrangement compared with only one driven gear 9.

The horizontal detection device comprises a horizontal controller 4, a supporting plate 7, a mounting plate 5 and a U-shaped plate spring 6, wherein the supporting plate 7 is fixedly connected to the side wall of the rotating arm member 1, the end part of the supporting plate 7 of the mounting plate 5 is in butt joint through the U-shaped plate spring 6, the horizontal controller 4 is mounted on the mounting plate 5, and the detection sensitivity of the horizontal controller 4 can be enhanced by arranging the U-shaped plate spring 6; of course, the mounting plate 5 is mounted to the side wall of the boom member 1 only by the horizontal controller 4, the mounting plate 5, and the horizontal controller 4 is mounted in the mounting plate 5.

The driving motor 8 is parallel to the wall surface of the hanging seat, the driving gear is sleeved on the output end to drive the driving gear to rotate, the driving motor 8 is arranged in parallel to save the use space, certainly, in some embodiments, the driving motor 8 can also be vertically arranged in the rotating arm member 1, the driving gear can be directly sleeved on the output shaft of the driving motor 8, and the driving gear is engaged with the driven gear 9 in parallel, the transmission mode is simple in installation, but the driving motor 8 is vertical to the rotating arm member 1, so the use space is large; however, the problem that the use space is unreasonable is solved by the transmission mode of the present embodiment, but the output shaft of the driving motor 8 needs to drive the driving gear to rotate finally in a linkage mechanism mode, and the linkage mechanism can generate linkage in a conical tooth mode and the like, which belongs to the prior art and is not described in detail herein.

The two ends of the arc-shaped tooth section 13 are provided with limiting parts 131, the protruding height of the limiting parts 131 is larger than the protruding height of each tooth of the arc-shaped tooth section 13, and the limiting parts 131 are arranged for preventing the moving tooth 92 from separating from the arc-shaped tooth section 13 and limiting the maximum swing amplitude of the rotating arm member 1.

In this embodiment, a hanging groove 18 is formed in the top of the hanging rack, a transverse shaft 21 is formed in the top of the hanging seat, the transverse shaft 21 can be embedded in the hanging groove 18, and the bottom of the hanging seat is fixedly connected to the bottom of the hanging rack. This embodiment is hung through stores pylon and hanging the seat and is established the butt joint fixed, hangs the seat and docks through axis body 10 and rotary tillage mechanism, just can form and accomplish, and not only is limited to the rotary cultivator, all can insert fixedly through axis body 10 hang the seat can, realize that same walking portion constitutes different effect farming equipment, adaptability is more extensive. Further, the stores pylon is connected fixed mode various with hanging a seat bottom, in this embodiment, the bottom of stores pylon is equipped with a C type mouth 25, the bottom of hanging the seat is equipped with one and is used for going into card post 22 of C type mouth 25, and this technical scheme can include one of them scheme that the inlet bore of C type mouth 25 is less than the diameter of card post 22 a bit, card post 22 can be followed one side and penetrated the back and will hang the seat and meet with the stores pylon. The other scheme is that the diameter of an inlet of the C-shaped opening 25 is larger than or equal to the diameter of the clamping column 22, the clamping column 22 directly enters from the inlet and contacts with the inner cavity wall surface of the C-shaped opening 25 by utilizing the self gravity of the rotary tillage mechanism when being hung, and the connection stability of the clamping column 22 and the C-shaped opening 25 is not strong when the hanging rack is lifted and lowered, so that in order to further enhance the connection stability, rotatable hooks 19 are respectively arranged on two side wall surfaces of the hanging rack positioned at the C-shaped opening 25, the clamping column 22 can be locked or unlocked by rotating opening and closing of the hooks 19, and when the clamping column 22 needs to be in butt joint with the C-shaped opening 25, the hooks 19 are opened, so that the clamping column 22 can move in; when the hook 19 is closed, the clamping column 22 can be locked in a cavity formed by closing the hook 19 and the C-shaped opening. The tip of cantilever 15 meets through the lateral wall activity of loose axle and stores pylon respectively down, hang the horizontal symmetry both ends of the inside wall of seat subassembly 2 and be equipped with a locking part 23 respectively, locking part 23 can overlap and establish on movable axis body 20, cantilever 15 includes two armed levers and sets up the horizontal pole between two armed levers down, the middle part cover of horizontal pole is equipped with a linkage, the output that drives actuating cylinder 16 meets with the linkage.

Example two:

the cultivator is also provided with no level detection mechanism, so that the cultivator does not have the function of automatically adjusting the rotary tillage mechanism to keep level, and the cultivator is mainly provided with a hanging frame and a hanging seat, and the rotary tillage mechanism is butted with the hanging seat through a shaft body 10, so that the cultivator is widely applicable.

And (3) implementation:

the cultivator also can provide an effect that the cultivator does not have adaptability universality, and can realize the function of automatically adjusting the rotary tillage mechanism to keep horizontal only by being provided with the horizontal detection mechanism.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model.

The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. The farming machine is characterized by comprising a walking part, a rotary tillage mechanism, a suspension mechanism and a horizontal detection mechanism, wherein the suspension mechanism comprises a suspension frame assembly (17) and a suspension seat assembly (2), the suspension frame assembly (17) comprises an upper cantilever (14), a lower cantilever (15), a hanging frame and a driving cylinder (16), and the end parts of the upper cantilever (14) and the lower cantilever (15) on the same side are hinged with the hanging frame; one end of the driving cylinder (16) acts on the lower cantilever (15) to drive the upper cantilever (14), the lower cantilever (15) and the hanging rack to be linked, so that the hanging seat assembly (2) is lifted or lowered; the bottom end of the hanging seat assembly (2) is provided with a shaft hole (24) for connecting agricultural implements of different styles, the hanging seat assembly (2) is detachably connected to the suspension frame assembly (17), the other ends of the upper cantilever (14) and the lower cantilever (15) are hinged to the walking part, and the other end of the driving cylinder (16) is hinged to the walking part; the hanging seat assembly (2) is hung and fixed on the hanging frame assembly (17), and the rotary tillage mechanism is connected with the hanging seat assembly (2) through a shaft body (10); the horizontal detection mechanism comprises a rotating arm part (1) and a horizontal detection device, wherein the rotating arm part (1) is movably connected with the side wall of the hanging seat assembly (2), and the rotating arm part (1) can rotate around a movable connection point relative to the hanging seat; the horizontal detection device is transversely and horizontally fixedly arranged on the wall surface of the rotating arm piece (1) and is used for monitoring whether the rotating arm piece (1) deviates or not; a tooth moving component is arranged on the side wall of the hanging seat, the rotating arm component (1) is provided with an arc-shaped tooth section (13) meshed with the tooth moving component, and the circle center of the arc-shaped tooth section (13) is overlapped with the movable connection point; the horizontal detection device and the tooth moving assembly are in signal connection with the controller, and two ends of a rotary arm piece (1) which is symmetrical along the central axis are respectively provided with a connecting piece for connecting the rotary tillage mechanism; through the signal feedback of the horizontal detection device, the tooth moving component is started to drive the rotary arm component (1) and the arc-shaped tooth section (13) to adjust and rotate so as to keep the rotary tillage mechanism horizontal.

2. The farming machine according to claim 1, wherein the bottom end of the hanging seat assembly (2) and the bottom end of the rotary arm member (1) are sleeved on the shaft body (10), and the rotary arm member (1) can axially rotate around the shaft body (10) relative to the hanging seat.

3. The farming machine of claim 1, wherein the rotating arm member (1) is integrally in a fan-shaped structure, a clearance area (11) is arranged in the middle of the rotating arm member, and the tooth moving assembly is positioned in the clearance area (11); the rotary arm piece (1) top both sides are equipped with an hangers hole (12) respectively, hangers hole (12) are used for hanging and establish fixed connector, the connecting piece is extension spring (3), extension spring (3) one end sets up to hang and establishes on the rotary cultivator, and the other end is hung and is established and in hangers hole (12) for two extension springs (3) use the axis as the mutual symmetry of benchmark.

4. The farming machine of claim 1, wherein the gear-driven assembly comprises a gear set and a driving motor (8), the gear set comprises a driving gear and a driven gear (9), the output end of the driving motor (8) can act on the driving gear and drive the driving gear to rotate, the driving gear is meshed with the driven gear (9), and the driven gear (9) is meshed with the arc-shaped tooth section (13); driven gear (9) are including coaxial main tooth (91) and the tooth (92) that moves that sets up, and main tooth (91) and the synchronous rotation of tooth (92) move, main tooth (91) mesh with the driving gear mutually, move tooth (92) and arc tooth section (13) mesh mutually.

5. The farming machine according to claim 1, wherein the level detection device comprises a level controller (4), a support plate (7), a mounting plate (5) and a U-shaped plate spring (6), the support plate (7) is fixedly connected to the side wall of the rotating arm member (1), the end of the support plate (7) of the mounting plate (5) is butted through the U-shaped plate spring (6), and the level controller (4) is mounted on the mounting plate (5).

6. The farming machine of claim 4, wherein the driving motor (8) is parallel to the wall surface of the hanging seat, and the driving gear is sleeved on the output end to drive the driving gear to rotate.

7. The farming machine of claim 1, wherein the top of the hanging frame is provided with a hanging groove (18), the top of the hanging seat is provided with a transverse shaft (21), the transverse shaft (21) can be embedded in the hanging groove (18), and the bottom of the hanging seat is fixedly connected to the bottom of the hanging frame.

8. The farming machine of claim 7, wherein the bottom of the hanging rack is provided with a C-shaped opening (25), and the bottom end of the hanging seat is provided with a clamping column (22) for clamping the C-shaped opening (25); the two side wall surfaces of the hanging rack positioned at the C-shaped opening (25) are respectively provided with a rotatable hook (19), and the clamping column (22) can be locked or unlocked by rotating the hook (19) to open and close.

9. The farming machine of claim 8, wherein the end of the lower cantilever (15) is movably connected with the side wall of the hanging rack through a movable shaft, two transversely symmetrical ends of the inner side wall of the hanging seat assembly (2) are respectively provided with a locking piece (23), and the locking pieces (23) can be sleeved on the movable shaft body (20).

10. An agricultural tiller according to claim 1, characterized in that the lower boom (15) comprises two arms and a cross bar arranged between the two arms, the middle part of the cross bar is sleeved with a linkage member, and the output end of the driving cylinder (16) is connected with the linkage member.