CN110663295A - Rotary cultivator based on worm and gear leveling and automatic leveling method thereof - Google Patents
Rotary cultivator based on worm and gear leveling and automatic leveling method thereof Download PDFInfo
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- CN110663295A CN110663295A CN201911106217.XA CN201911106217A CN110663295A CN 110663295 A CN110663295 A CN 110663295A CN 201911106217 A CN201911106217 A CN 201911106217A CN 110663295 A CN110663295 A CN 110663295A
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- inclination angle
- rotary cultivator
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/12—Arrangement of the tools; Screening of the tools
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Power Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
A rotary cultivator based on worm and gear leveling and an automatic leveling method thereof are disclosed, the rotary cultivator comprises a walking chassis and a rotary cultivator tool, the rotary cultivator tool is rotatably arranged on the walking chassis, and a rotation driving device for driving the rotary cultivator tool to rotate so as to adjust an inclination angle is further arranged; the rotation driving device comprises an adjusting worm wheel and an adjusting worm, the adjusting worm wheel is fixedly arranged on the rotary cultivator tool, the adjusting worm is rotatably arranged on the walking chassis and meshed with the adjusting worm wheel, and the rotation driving device is also used for driving the adjusting worm to rotate. The adjustable flat width adjustable type air compressor has the advantages of simple and compact structure, easiness in manufacturing and assembling, low cost, high operation quality, long service life, high response speed and large adjustable flat width. The automatic leveling method comprises the steps of detecting the inclination angle of the rotary cultivator tool by adopting two inclination angle sensors, and controlling the rotation driving device to enable the rotary cultivator tool to rotate and level according to the comparison result of the difference value of the inclination angle values detected by the two sensors and a preset value, and the automatic leveling method is simple in manufacturing process and capable of eliminating the influence of shaking in normal working.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a rotary cultivator based on worm and gear leveling and an automatic leveling method thereof.
Background
The rotary tillage is used as a ring before planting crops, and the quality of the working quality of the rotary tillage affects the subsequent planting links. At present, a leveling mode aiming at the inclination of a rotary cultivator is usually adjusted by a hydraulic rod, but the leveling speed is slower and the occupied space is larger by adjusting the hydraulic mode, so that the operation speed is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a rotary cultivator based on worm and gear leveling, which has the advantages of simple and compact structure, easy manufacture and assembly, low cost, high operation quality, long service life, high response speed and large adjustable width, and correspondingly provides an automatic leveling method of the rotary cultivator, which has simple control flow and can eliminate the influence of shaking in normal work.
In order to solve the technical problems, the invention adopts the following technical scheme:
a rotary cultivator based on worm and gear leveling comprises a walking chassis and a rotary cultivator tool, wherein the rotary cultivator tool is rotatably arranged on the walking chassis in a manner of adjusting an inclination angle, and the rotary cultivator tool is also provided with a rotation driving device for driving the rotary cultivator tool to rotate so as to adjust the inclination angle; the rotary driving device comprises an adjusting worm wheel and an adjusting worm, the adjusting worm wheel is fixedly mounted on the rotary cultivator tool, the adjusting worm is rotatably mounted on the walking chassis and meshed with the adjusting worm wheel, and a rotary driving assembly for driving the adjusting worm to rotate is further mounted on the walking chassis.
As a further improvement of the above technical solution:
the walking chassis is provided with a mounting bracket, the rotary cultivator tool is rotatably mounted on the mounting bracket in a manner of adjusting the inclination angle, and the adjusting worm is rotatably mounted on the mounting bracket.
The installing support includes interconnect's front truck and after-poppet, the top fixed mounting of rotary cultivator attachment has the transmission case, the both sides of transmission case and with transmission case normal running fit are located respectively to front truck and after-poppet, and front truck and transmission case normal running fit's axis and after-poppet and transmission case normal running fit's axis coincidence.
The front frame is provided with a front rotating sleeve hole, the front rotating sleeve hole is rotatably sleeved at the front end of the transmission case and axially limited through a clamping ring, the rear frame is provided with a rear rotating sleeve hole, and the rear rotating sleeve hole is rotatably sleeved at the rear end of the transmission case and axially limited through the clamping ring.
The front frame is provided with three suspension connecting seats and is arranged on the walking chassis through the three suspension connecting seats.
The front frame and the rear frame are connected through more than two connecting rods, one end of each connecting rod is connected with the front frame through a pin, and the other end of each connecting rod is connected with the rear frame through a pin.
The rotary cultivator also comprises an automatic leveling device for adjusting the inclination angle of the rotary cultivator to be in a set range relative to the horizontal plane, the automatic leveling device comprises two inclination sensors, a motor controller for controlling the driving motor and a computer control unit connected with the motor controller, the two inclination sensors are respectively arranged on two sides of a rotary cultivator rotation shaft and detect the inclination angle of the rotary cultivator, the computer control unit is connected with the inclination sensors and controls the driving motor to work according to the inclination data detected by the inclination sensors so that the inclination angle of the rotary cultivator is in the set range relative to the horizontal plane.
The automatic leveling device also comprises a leveling switch used for controlling the computer control unit to start and stop working.
The driving motor is a speed reducing motor.
The automatic leveling method of the rotary cultivator comprises the following steps:
(S1) dividing the two tilt sensors into a left sensor and a right sensor, the left sensor and the right sensor detecting the tilt angle of the rotary cultivator tool and transmitting the detected tilt angle values to the computer control unit;
(S2) the computer control unit comparing the inclination angle value detected by the left sensor with the inclination angle value detected by the right sensor, and when the inclination angle value detected by the left sensor is greater than the inclination angle value detected by the right sensor and the difference between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is greater than a predetermined value, the computer control unit controlling the driving motor to drive the adjusting worm to rotate through the motor controller, so that the rotary cultivator rotates in a direction in which the difference between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is smaller, until the difference between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is within a predetermined range; when the inclination angle value detected by the right sensor is larger than the inclination angle value detected by the left sensor, and the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is larger than a preset value, the computer control unit controls the driving motor through the motor controller to drive the adjusting worm to rotate, so that the rotary cultivator rotates towards the direction in which the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is reduced until the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is within a preset range.
Compared with the prior art, the invention has the advantages that:
in the rotary cultivator based on the leveling of the worm and the gear, the rotary cultivator tool is rotatably arranged on the walking chassis in a manner of adjusting the inclination angle, and the rotary driving device is adopted to drive the rotary cultivator tool to rotate so as to adjust the inclination angle of the rotary cultivator tool, so that the rotary cultivator tool can be leveled, the operation quality can be improved, and the service life of the rotary cultivator can be prolonged. Meanwhile, the rotary tillage machine adopts a rotary installation mode to adjust the inclination angle, the adjustment stability is good, a complex structure is not needed, the structure is simple and compact, the manufacturing and assembling difficulty is reduced, and the cost is saved. In addition, the rotary cultivator tool is driven to rotate to adjust the inclination angle by adopting the combination of the adjusting worm wheel and the adjusting worm, the response speed is high, the adjustable open width is large, and the working efficiency is high.
The automatic leveling method has simple control flow and can eliminate the influence of shaking in normal work.
Drawings
Fig. 1 is a schematic front view structure diagram of a rotary cultivator.
FIG. 2 is a schematic view of a three-dimensional structure of a rotary cultivator mounted on a mounting bracket.
Fig. 3 is a schematic perspective view of the mounting bracket.
Fig. 4 is a schematic perspective view of the rotation driving device.
Fig. 5 is a schematic diagram of an automatic leveling device.
Illustration of the drawings:
1. a walking chassis; 11. mounting a bracket; 111. a front frame; 112. a rear frame; 113. a front rotary sleeve hole; 114. then the sleeve hole is rotated; 115. hanging the connecting seat; 116. a connecting rod; 2. a rotary tillage implement; 21. a transmission case; 3. adjusting the worm gear; 4. adjusting the worm; 5. a drive motor; 51. a motor controller; 6. a tilt sensor; 7. a computer control unit; 8. a leveling switch.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 and fig. 2, the rotary cultivator based on worm and gear leveling of the present embodiment comprises a walking chassis 1 and a rotary cultivator tool 2, wherein the rotary cultivator tool 2 is rotatably mounted on the walking chassis 1 in a manner of adjusting an inclination angle, and the rotary cultivator is further provided with a rotation driving device for driving the rotary cultivator tool 2 to rotate so as to adjust the inclination angle; the rotation driving device comprises an adjusting worm wheel 3 and an adjusting worm 4, the adjusting worm wheel 3 is fixedly installed on the rotary cultivator tool 2, the adjusting worm 4 is rotatably installed on the walking chassis 1 and meshed with the adjusting worm wheel 3, and a rotation driving assembly used for driving the adjusting worm 4 to rotate is further installed on the walking chassis 1. When the rotation driving assembly drives the adjusting worm 4 to rotate, the adjusting worm 4 drives the adjusting worm wheel 3 to rotate correspondingly, and then drives the rotary cultivator 2 to rotate so as to adjust the inclination angle. In this rotary cultivator based on worm gear leveling, rotary cultivator attachment 2 rotates with the mode that can adjust inclination and installs on walking chassis 1, adopts rotation drive arrangement to order about rotary cultivator attachment 2 and rotates the inclination who adjusts rotary cultivator attachment 2, and then makes rotary cultivator attachment 2 can the leveling, can improve the operation quality, prolongs the life-span of rotary cultivator. Meanwhile, the rotary cultivator 2 adopts a rotary mounting mode to adjust the inclination angle, has good adjustment stability, does not need a complex structure, can improve the simple and compact structure, reduces the manufacturing and assembling difficulty and saves the cost. In addition, the combination of the adjusting worm wheel 3 and the adjusting worm rod 4 is adopted to drive the rotary cultivator 2 to rotate and adjust the inclination angle, the response speed is high, the adjustable breadth is large, and the working efficiency is high.
In this embodiment, as shown in fig. 1 to 3, a mounting bracket 11 is provided on the traveling chassis 1, the rotary cultivator 2 is rotatably mounted on the mounting bracket 11 in a manner of adjusting an inclination angle, and the adjusting worm 4 is rotatably mounted on the mounting bracket 11, so as to facilitate manufacture, assembly and maintenance.
In this embodiment, the mounting bracket 11 includes a front frame 111 and a rear frame 112 connected to each other, the transmission case 21 is fixedly mounted on the top of the rotary cultivator tool 2, the front frame 111 and the rear frame 112 are respectively disposed on two sides of the transmission case 21 and rotatably engaged with the transmission case 21, and an axis of the front frame 111 rotatably engaged with the transmission case 21 coincides with an axis of the rear frame 112 rotatably engaged with the transmission case 21. The front frame 111 and the rear frame 112 of the mounting bracket 11 are respectively in running fit with two sides of the transmission case 21 of the rotary cultivator 2, and the rotary cultivator has good structure compactness and stable and reliable connection.
In this embodiment, the front frame 111 is provided with a front rotation sleeve hole 113, the front rotation sleeve hole 113 is rotatably sleeved at the front end of the transmission case 21 and axially limited by a snap ring, the rear frame 112 is provided with a rear rotation sleeve hole 114, and the rear rotation sleeve hole 114 is rotatably sleeved at the rear end of the transmission case 21 and axially limited by the snap ring. The matching structure is simple and reliable and is easy to assemble.
In this embodiment, the front frame 111 is provided with three suspension connection seats 115 and is installed on the traveling chassis 1 through the three suspension connection seats 115, and the installation stability is good, and the mounting bracket 11 is convenient to disassemble and assemble. The front frame 111 with three suspension connection sockets 115 is equivalent to a three-point suspension in the prior art, and each suspension connection socket 115 has a lug structure with a hinged mounting hole.
In this embodiment, the front frame 111 and the rear frame 112 are connected by two links 116, one end of each link 116 is connected to the front frame 111 by a pin, and the other end of each link 116 is connected to the rear frame 112 by a pin. The manufacture, assembly and maintenance are convenient.
In this embodiment, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the rotation driving assembly includes a driving motor 5, the rotary cultivator is further provided with an automatic leveling device for adjusting the inclination angle of the rotary cultivator 2 relative to the horizontal plane within a set range, the automatic leveling device includes two tilt sensors 6, a motor controller 51 for controlling the driving motor 5, and a computer control unit 7 connected to the motor controller 51, the two tilt sensors 6 are respectively disposed on two sides of the rotation axis of the rotary cultivator 2 and detect the inclination angle of the rotary cultivator 2, and the computer control unit 7 is connected to each tilt sensor 6 and controls the driving motor 5 to operate through the motor controller 51 according to the tilt angle data detected by the tilt sensor 6, so that the inclination angle of the rotary cultivator 2 relative to the horizontal plane is within the set range.
In this embodiment, the automatic leveling device further includes a leveling switch 8 for controlling the computer control unit 7 to start and stop working, so as to conveniently control the working state of the automatic leveling device. The leveling switch 8 can be a switch for directly controlling the on-off of the computer control unit 7 and the power supply.
In the present embodiment, the drive motor 5 is a reduction motor.
The automatic leveling method of the rotary cultivator comprises the following steps:
(S1) dividing the two tilt angle sensors 6 into a left sensor and a right sensor, the left sensor and the right sensor detecting the tilt angle of the rotary cultivator tool 2 and transmitting the detected tilt angle value to the computer control unit 7;
(S2) the computer control unit 7 compares the inclination angle value detected by the left sensor with the inclination angle value detected by the right sensor, and when the inclination angle value detected by the left sensor is greater than the inclination angle value detected by the right sensor and the difference between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is greater than a predetermined value, the computer control unit 7 controls the driving motor 5 through the motor controller 51 to drive the adjusting worm 4 to rotate, so that the rotary cultivator 2 rotates in a direction in which the difference between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor becomes smaller until the difference between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is within a predetermined range (corresponding to a predetermined equilibrium position); when the inclination angle detected by the right sensor is greater than the inclination angle detected by the left sensor, and the difference between the inclination angle detected by the right sensor and the inclination angle detected by the left sensor is greater than the preset value, the computer control unit 7 controls the driving motor 5 through the motor controller 51 to drive the adjusting worm 4 to rotate, so that the rotary cultivator 2 rotates in a direction in which the difference between the inclination angle detected by the right sensor and the inclination angle detected by the left sensor is reduced until the difference between the inclination angle detected by the right sensor and the inclination angle detected by the left sensor is within the preset range (corresponding to the set balance position).
According to the automatic leveling method, when the difference value between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is larger than a preset value, or the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is larger than a preset value, leveling is carried out, when the difference value is smaller than or equal to the preset value, leveling is not carried out, namely, leveling is carried out only when the rotary cultivator 2 inclines beyond the preset angle range, and the influence of shaking in normal work can be eliminated. The automatic leveling method also has the advantages of accurate leveling and quick response.
Adopt two inclination sensor 6 can avoid because single sensor leads to the leveling to go wrong because of the error to effectively improve measurement accuracy, promote the leveling quality, and the data judgement of accessible two sensor outputs is because the machines vibration or the slope leads to the rotary cultivator not in balanced state, avoids appearing the mistake and adjusts. Meanwhile, the two sensors can be used for avoiding the deviation between the data measured by the sensors and the actual data caused by the deformation of one side of the rotary cultivator 2, and when the data output by one sensor shows that the data reaches the horizontal state, the data output by the other sensor can be used for judging whether the structure of the side rotary cultivator is deformed or not, so that the detection is multipurpose.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (10)
1. The utility model provides a rotary cultivator based on worm gear leveling, includes walking chassis (1) and rotary cultivator attachment (2), its characterized in that: the rotary cultivator is characterized in that the rotary cultivator tool (2) is rotatably arranged on the walking chassis (1) in a manner of adjusting the inclination angle, and the rotary cultivator is also provided with a rotation driving device for driving the rotary cultivator tool (2) to rotate so as to adjust the inclination angle; rotate drive arrangement including adjusting worm wheel (3), adjusting worm (4), adjust worm wheel (3) fixed mounting on rotary cultivator attachment (2), adjust worm (4) rotate install on walking chassis (1) and with adjust worm wheel (3) meshing, still install on walking chassis (1) and be used for ordering about adjusting worm (4) pivoted and rotate drive assembly.
2. The rotary cultivator of claim 1, wherein: the walking chassis (1) is provided with a mounting bracket (11), the rotary cultivator tool (2) is rotatably mounted on the mounting bracket (11) in a manner of adjusting the inclination angle, and the adjusting worm (4) is rotatably mounted on the mounting bracket (11).
3. The rotary cultivator of claim 2, wherein: installing support (11) are including interconnect's front truck (111) and after-poppet (112), the top fixed mounting of rotary cultivator attachment (2) has transmission case (21), the both sides of transmission case (21) and with transmission case (21) normal running fit are located respectively to front truck (111) and after-poppet (112), and front truck (111) and transmission case (21) normal running fit's axis and after-poppet (112) coincide with transmission case (21) normal running fit's axis.
4. The rotary cultivator of claim 3, wherein: the front frame (111) is provided with a front rotating sleeve joint hole (113), the front rotating sleeve joint hole (113) is rotatably sleeved at the front end of the transmission case (21) and is axially limited through a clamping ring, the rear frame (112) is provided with a rear rotating sleeve joint hole (114), and the rear rotating sleeve joint hole (114) is rotatably sleeved at the rear end of the transmission case (21) and is axially limited through the clamping ring.
5. The rotary cultivator of claim 3, wherein: the front frame (111) is provided with three suspension connecting seats (115) and is arranged on the walking chassis (1) through the three suspension connecting seats (115).
6. The rotary cultivator of claim 3, wherein: the front frame (111) and the rear frame (112) are connected through more than two connecting rods (116), one end of each connecting rod (116) is connected with the front frame (111) through a pin, and the other end of each connecting rod (116) is connected with the rear frame (112) through a pin.
7. The rotary cultivator of any one of claims 1 to 6, wherein: the rotary cultivator is also provided with an automatic leveling device for adjusting the inclination angle of the rotary cultivator tool (2) relative to the horizontal plane within a set range, the automatic leveling device comprises two inclination angle sensors (6), a motor controller (51) for controlling a driving motor (5) and a computer control unit (7) connected with the motor controller (51), the two inclination angle sensors (6) are respectively arranged at two sides of a rotating shaft of the rotary cultivator tool (2) and detect the inclination angle of the rotary cultivator tool (2), the computer control unit (7) is connected with each inclination angle sensor (6) and controls the driving motor (5) to work through the motor controller (51) according to the inclination angle data detected by the inclination angle sensors (6) so that the inclination angle of the rotary cultivator tool (2) relative to the horizontal plane is in a set range.
8. The rotary cultivator of claim 7, wherein: the automatic leveling device also comprises a leveling switch (8) for controlling the computer control unit (7) to start and stop working.
9. The rotary cultivator of claim 7, wherein: the driving motor (5) is a speed reducing motor.
10. The automatic leveling method of the rotary cultivator in claim 7, wherein the method comprises the following steps: the method comprises the following steps:
(S1) dividing the two tilt sensors (6) into a left sensor and a right sensor, the left sensor and the right sensor detecting the tilt angle of the rotary cultivator attachment (2) and transmitting the detected tilt angle value to the computer control unit (7);
(S2) the computer control unit (7) compares the inclination angle value detected by the left sensor with the inclination angle value detected by the right sensor, when the inclination angle value detected by the left sensor is larger than the inclination angle value detected by the right sensor, and the difference value between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is larger than a preset value, the computer control unit (7) controls the driving motor (5) to drive the adjusting worm (4) to rotate through the motor controller (51), so that the rotary cultivator tool (2) rotates in the direction of reducing the difference value between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor until the difference value between the inclination angle value detected by the left sensor and the inclination angle value detected by the right sensor is within a preset range; when the inclination angle value detected by the right sensor is larger than the inclination angle value detected by the left sensor, and the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is larger than a preset value, the computer control unit (7) controls the driving motor (5) to drive the adjusting worm (4) to rotate through the motor controller (51), so that the rotary cultivator tool (2) rotates towards the direction that the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is reduced until the difference value between the inclination angle value detected by the right sensor and the inclination angle value detected by the left sensor is within a preset range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106217.XA CN110663295A (en) | 2019-11-13 | 2019-11-13 | Rotary cultivator based on worm and gear leveling and automatic leveling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106217.XA CN110663295A (en) | 2019-11-13 | 2019-11-13 | Rotary cultivator based on worm and gear leveling and automatic leveling method thereof |
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| CN110663295A true CN110663295A (en) | 2020-01-10 |
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| CN201911106217.XA Pending CN110663295A (en) | 2019-11-13 | 2019-11-13 | Rotary cultivator based on worm and gear leveling and automatic leveling method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112703833A (en) * | 2020-12-29 | 2021-04-27 | 王常方 | Multi-angle adjustable agricultural machine rotary cultivator |
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| CN105474816A (en) * | 2015-12-28 | 2016-04-13 | 华南农业大学 | Rotary cultivator with automatic leveling function and leveling method thereof |
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| CN112703833A (en) * | 2020-12-29 | 2021-04-27 | 王常方 | Multi-angle adjustable agricultural machine rotary cultivator |
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Application publication date: 20200110 |