CN109219999B - Miniature rotary tillage weeder - Google Patents
Miniature rotary tillage weeder Download PDFInfo
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- CN109219999B CN109219999B CN201811198821.5A CN201811198821A CN109219999B CN 109219999 B CN109219999 B CN 109219999B CN 201811198821 A CN201811198821 A CN 201811198821A CN 109219999 B CN109219999 B CN 109219999B
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- supporting
- lifting plate
- rotary tillage
- grabbing
- plate
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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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a miniature rotary tillage weeder, comprising: the rotary cultivator comprises a rack, a rotary tillage cutter, a power device, a supporting wheel and a handrail, wherein the rotary tillage cutter, the power device, the supporting wheel and the handrail are connected to the rack; the supporting auxiliary device comprises a supporting body, a lifting plate and a grabbing nail; the supporting bodies are vertically arranged and connected to the machine frame behind the rotary tillage cutter, the lifting plate is connected to the supporting bodies and can move up and down along the supporting bodies, and the plurality of grabbing nails are arranged at the lower ends of the lifting plate and are uniformly arranged along the central axis direction of the supporting wheels; the grabbing nails extend downwards, so that the lower ends of the grabbing nails can retract or protrude out of the lower edges of the supporting wheels when the lifting plate moves up and down. The miniature rotary tillage weeding machine can provide great convenience for weeding operation, and has low operation intensity and good weeding effect.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a miniature rotary tillage weeding machine.
Background
With the development of industry, more and more traditional operations are replaced by machines, and the trend of agricultural mechanization is more and more obvious in recent years, besides some large-scale agricultural machines, many miniature agricultural machines are favored by users, and the miniature weeder is one of the most popular miniature weeders. The existing miniature weeder mainly uses a rotary cultivator, and the main structure of the miniature weeder comprises: the rotary cultivator comprises a frame, a rotary tillage cutter used for weeding is arranged below the frame, a power device used for driving the rotary tillage cutter to work is arranged on the frame, the power device generally comprises an engine and a gearbox and is used for providing needed power and rotating speed for the rotary tillage cutter, and a handrail is arranged on the rear side of the frame. When the rotary tillage machine is used, the power device is started to drive the rotary tillage cutter to rotate, the rotary tillage cutter provides forward power for the whole machine while rotating to weed, and an operator controls the forward speed and the forward direction of the machine by lifting, pushing, pulling the handrail and the like. Partial weight of equipment during operation needs the operation to bear, very big increase operator's burden, and then some miniature rotary tillage weeders have still set up the supporting wheel in the frame of rotary tillage cutter rear to support equipment weight and make it can steadily advance.
However, although the advancing speed of the mini rotary tillage weeding machine can be controlled by adjusting the rotating speed, the weeding capability of the rotary tillage cutter is reduced after the rotating speed of the rotary tillage cutter is reduced, so that an operator usually keeps the rotary tillage cutter at a high rotating speed to ensure the weeding effect and then controls the advancing speed of the weeding machine by pulling the handrail, thus the working strength of the operator is obviously increased, and the use of the weeding machine is inconvenient.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a miniature rotary tillage weeder with low operation intensity and good weeding effect, which provides convenience for weeding operation.
In order to achieve the technical effects, the invention adopts the technical scheme that:
miniature rotary tillage weeder includes: the rotary cultivator comprises a rack, and a rotary tillage cutter, a power device, a supporting wheel and a handrail which are connected to the rack, wherein a supporting auxiliary device is also arranged on the rack behind the rotary tillage cutter; the supporting auxiliary device comprises a supporting body, a lifting plate and a grabbing nail; the supporting bodies are vertically arranged and connected to the machine frame behind the rotary tillage cutter, the lifting plate is connected to the supporting bodies and can move up and down along the supporting bodies, and the plurality of grabbing nails are arranged at the lower ends of the lifting plate and are uniformly arranged along the central axis direction of the supporting wheels; the grabbing nails extend downwards, so that the lower ends of the grabbing nails can retract or protrude out of the lower edges of the supporting wheels when the lifting plate moves up and down.
The miniature rotary tillage weeder is additionally provided with the supporting auxiliary device, and the two states of the grabbing nails retracting or protruding relative to the lower edge of the supporting wheel can be obtained by adjusting the upper position and the lower position of the lifting plate in the supporting auxiliary device. When the nails are retracted upwards, the conventional function of the weeding machine is not changed, and the movement and the transfer of the weeding machine are facilitated. When the rotary tillage weeding is carried out at a high speed, the grabbing nails can be extended downwards, and the grabbing force is formed on the ground through the grabbing nails, so that the advancing speed of the weeding machine is limited, the rotary tillage time in unit area is prolonged, and the rotary tillage weeding effect is ensured; under this state, the rear portion weight of weeder is born by supporting wheel and grabbing nail completely, and need not the operator and draws the weeder in order to control the speed of advancing, the operator only need simple control weeder the direction of advance can, very big reduction operator's working strength, bring the convenience for the use of weeder.
Furthermore, the supporting body is provided with an accommodating cavity with an opening at the lower end and matched with the lifting plate, and the lifting plate can be arranged in the accommodating cavity in a vertically sliding manner; the supporting body outside the containing cavity is provided with a positioning hole, the lifting plate is provided with an upper adjusting hole and a lower adjusting hole which can be aligned with the positioning hole, and a bolt penetrates through the positioning hole and is connected with one of the two adjusting holes, so that the lower end of the grabbing nail retracts into or protrudes out of the lower edge of the supporting wheel respectively.
The supporter passes through the holding chamber and pegs graft with the lifter plate to select and fix the upper and lower position of lifter plate with the bolt, thereby realize grabbing the conversion of nail indentation and outstanding state, simple structure, convenient operation.
Furthermore, a spring is arranged between the upper end of the lifting plate and the top of the containing cavity.
The spring is arranged to provide downward moving power for the lifting plate, when the lifting plate is switched to the upper adjusting hole from the lower adjusting hole, the bolt is pulled out, the lifting plate can automatically move downwards, and when the lifting plate moves to the position that the upper adjusting hole is aligned with the positioning hole, the bolt is inserted, and the positioning of the lifting plate can be realized; on the contrary, under a proper terrain environment (such as a raised hard ground), the bolt is pulled out, the lifting plate can move upwards by overcoming the elasticity of the spring by pressing the rear end of the weeding machine downwards through the handrail, and when the lifting plate moves to the lower adjusting hole and is aligned with the positioning hole, the bolt is inserted to realize the positioning of the lifting plate; the regulation of the position of the grabbing nail is simpler, and the use is more convenient.
Further, the miniature rotary tillage weeder also comprises: set up the nipper adjustment mechanism on the lifter plate, the nipper adjustment mechanism includes: a sliding table and an adjusting screw; the lower end of the lifting plate is provided with an upward concave sliding groove, and the lifting plate at the upper part of the sliding groove is provided with a screw hole which is communicated up and down; the sliding table is arranged in the sliding groove in a vertically sliding mode, the adjusting screw rod is in threaded connection with the threaded hole, the lower end of the adjusting screw rod protrudes into the sliding groove and is rotatably connected with the sliding table, and the upper end of the adjusting screw rod protrudes out of the supporting body and is provided with a rotating handle.
The grabbing nails are connected with the lifting plate through the grabbing nail adjusting mechanism, so that the telescopic adjusting function of the grabbing nails relative to the lifting plate is realized; according to the same subaerial, the greater the inserting depth of the grabbing nail, the stronger the ground grabbing force, the same inserting depth, the looser the ground soil property, the physical principle that the ground grabbing force is smaller, under different weeding environments, the length of the grabbing nail protruding out of the lower edge of the supporting wheel can be changed by rotating the adjusting screw rod, so that the ground grabbing force required by selection can be adapted, the balance between the advancing speed and the weeding quality can be better realized, and the use performance of the weeding machine is better.
Furthermore, the upper portion of slip table is provided with the guide bar that upwards extends, set up on the lifter plate on spout upper portion with the guiding hole of guide bar slip adaptation.
Through the cooperation of guide bar and guiding hole, for the lift removal of slip table provides more steady direction effort, the removal of slip table is more smooth and easy, and the regulation of grabbing nail is more convenient.
Further, the external thread of the adjusting screw is a trapezoidal thread.
Compared with common threads, the trapezoidal threads have higher strength, can provide reliable support for longitudinal force borne by the grabbing nail, and ensure the reliability of grabbing the ground by the grabbing nail; meanwhile, the pitch of the trapezoidal thread is large, so that the sliding table can be quickly adjusted to ascend and descend, and the operation is quick and convenient.
Furthermore, a plastering plate is arranged at the lower end of the lifting plate, and nail grabbing holes are formed in the position, corresponding to the grabbing nails, of the plastering plate; when the bolt is connected with one of the two adjusting holes, the lower surface of the wiping plate retracts or protrudes out of the lower edge of the supporting wheel respectively.
Set up the lower extreme that supports auxiliary device one can be selective with the board of wiping of ground contact, can be in loose subaerial through wiping the board and ground contact of soil property, and then bear the rear portion weight of equipment through wiping the board, avoid the supporting wheel to sink into, ensure that weeder is gone forward smooth and easy and steady of going.
Further, the lower surface of the trowel is a downward convex cambered surface.
The downward convex cambered surface can reduce the resistance between the cleaning plate and the ground, and the forward movement is smoother.
Further, the supporting wheels are arranged on two sides of the supporting body.
The supporting wheels are integrated on the supporting auxiliary device, so that the structure of the weeding machine is more compact and small, and the weeding machine is more in line with the definition of micro equipment.
In conclusion, the miniature rotary tillage weeding machine adopting the technical scheme can provide great convenience for weeding operation, and has low operation intensity and good weeding effect.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic side sectional view of a support aid according to an embodiment of the present invention;
FIG. 4 is a schematic view of the section A in FIG. 3 when an upper adjustment hole is selected;
FIG. 5 is a schematic view of the section A in FIG. 3 when a lower adjustment hole is selected;
reference numerals: 1-a rack, 2-a rotary tillage cutter, 3-a power device, 4-a supporting wheel, 5-a handrail, 6-a supporting auxiliary device, 61-a supporting body, 611-a containing cavity, 612-a positioning hole, 613-a bolt, 62-a lifting plate, 621-an adjusting hole, 622-a sliding groove, 623-a screw hole, 624-a guide hole, 63-a grab nail, 64-a spring, 65-a grab nail adjusting mechanism, 651-a sliding table, 652-an adjusting screw rod, 653-a rotating handle, 654-a guide rod and 66-a wiping plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or structures must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention.
As shown in fig. 1 to 5, the present embodiment provides a miniature rotary tillage weeding machine, including: the specific connection modes of the frame 1, the rotary tillage cutter 2 connected to the frame 1, the power device 3, the supporting wheel 4 and the handrail 5 can be referred to a conventional miniature rotary tillage weeding machine (also described in the background art), and are not described herein. Unlike the conventional miniature rotary tillage weeding machine, the present invention is also provided with a support auxiliary device 6 on the frame 1 behind the rotary tillage cutter 2.
Referring to fig. 3 and 4, the supporting auxiliary device 6 mainly includes a supporting body 61, a lifting plate 62, and a gripping nail 63; the supporting body 61 is vertically arranged and connected to the frame 1 behind the rotary tillage cutter 2, the lifting plate 62 is connected to the supporting body 61 and can move up and down along the supporting body 61, the plurality of grabbing nails 63 are arranged at the lower end of the lifting plate 62 and are uniformly arranged along the central axis direction of the supporting wheel 4, and the grabbing nails 63 extend downwards; further, when the lifting plate 62 moves up and down, the lower end of the catch pin 63 can be retracted into or protruded from the lower edge of the support wheel 4. When the nails 63 are retracted upward, no change is made to the normal function of the weeding machine, and the movement and transfer of the weeding machine are facilitated. When the rotary tillage weeding is carried out at a high speed, the grabbing nails 63 can be extended downwards, and the grabbing force is formed on the ground through the grabbing nails 63, so that the advancing speed of the weeding machine is limited, the rotary tillage time in unit area is prolonged, and the rotary tillage weeding effect is ensured; in addition, in this state, the weight of the rear part of the weeding machine is completely borne by the supporting wheels 4 and the grabbing nails 63, an operator does not need to pull the weeding machine to control the advancing speed, the operator only needs to simply control the advancing direction of the weeding machine, the working strength of the operator is greatly reduced, and convenience is brought to the use of the weeding machine. Meanwhile, the supporting wheels 4 are preferably arranged on two sides of the supporting body 61, so that the supporting wheels 4 and the supporting auxiliary devices 6 are integrated, the structure of the weeding machine is more compact and small, and the weeding machine is more in line with the definition of micro equipment.
In this embodiment, the supporting body 61 is inserted into the lifting plate 62, specifically, referring to fig. 4, the supporting body 61 is provided with an accommodating cavity 611 with an opening at the lower end and adapted to the lifting plate 62, and the lifting plate 62 is slidably disposed in the accommodating cavity 611 up and down; the supporting body 61 outside the containing cavity 611 is provided with a positioning hole 612, the lifting plate 62 is provided with an upper adjusting hole 621 and a lower adjusting hole 621 which can be aligned with the positioning hole 612, and a pin 613 passes through the positioning hole 612 and is selectively connected with one of the two adjusting holes 621, so that the lower ends of the grabbing nails 63 respectively retract into or protrude out of the lower edge of the supporting wheel 4. In this embodiment, the positioning holes 612 and the adjusting holes 621 are respectively disposed in a group on two sides of the supporting body 61, so that two points are positioned and more stable. The lifting plate 62 is inserted into the accommodating cavity 611 of the supporting body 61, and the upper and lower positions of the lifting plate 62 are selected and fixed by the bolt 613, so that the conversion between the retracted state and the protruding state of the grabbing nail 63 is realized, the structure is simple, and the operation is convenient.
Meanwhile, in the present embodiment, a spring 64 is further disposed between the upper end of the lifting plate 62 and the top of the accommodating cavity 611, and specifically, one spring may be disposed at each of two side sections of the lifting plate 62 to provide a smooth power for the lifting plate 62 to move downward. When the lifting plate 62 is switched from the lower adjusting hole 621 to the upper adjusting hole 621, the bolt 613 is pulled out, the lifting plate 62 can automatically move downwards under the action of elastic force, when the lifting plate is moved to the position that the upper adjusting hole 621 is aligned with the positioning hole 612, the bolt 613 is inserted, the lifting plate 62 can be positioned, the grabbing nail 63 is locked at the position of the protruding supporting wheel 4, and the ground grabbing force is provided for equipment; on the contrary, after the pin 613 is pulled out, the lifting plate 62 can move upwards by overcoming the elasticity of the spring 64 by manually lifting or pressing the rear end of the weeding machine downwards through the armrest 5 in a proper terrain environment (such as a raised hard ground), and when the adjusting hole 621 moving to the lower part is aligned with the positioning hole 612, the pin 613 can be inserted to position the lifting plate 62, so that the position of the grabbing nail 63 can be adjusted more simply and the use is more convenient.
Considering the situation that the larger the insertion depth of the gripping nail 63 is, the stronger the gripping force is, and the looser the ground soil is, the smaller the gripping force is, in the same ground, the present embodiment connects the gripping nail 63 with the lifting plate 62 through a gripping nail adjusting mechanism 65, so as to realize the telescopic adjustment function of the gripping nail 63 relative to the lifting plate 62, so as to change the length of the gripping nail 63 protruding out of the lower edge of the supporting wheel 4.
Specifically, the lower end of the lifting plate 62 is provided with an upwardly concave chute 622, and the lifting plate 62 above the chute 622 is provided with a screw hole 623 which is vertically through; and the staple adjusting mechanism 65 includes: the sliding table 651 and the adjusting screw 652 are arranged in the sliding groove 622 in a vertically sliding manner, the adjusting screw 652 is screwed in the screw hole 623, the lower end of the adjusting screw 652 protrudes into the sliding groove 622 and is rotatably connected with the sliding table 651, and the upper end of the adjusting screw 652 protrudes out of the supporting body 61 and is provided with a rotating handle 653; furthermore, the length of the grabbing nail 63 protruding out of the lower edge of the supporting wheel 4 can be changed by rotating the adjusting screw 652, so that the required grabbing force can be adaptively selected according to the ground environment of weeding operation, the balance between the advancing speed and the weeding quality is better realized, and the service performance of the weeding machine is better.
In this embodiment, the upper portion of the sliding table 651 can be further provided with a guide rod 654 extending upwards, the lifting plate 62 on the upper portion of the sliding groove 622 is provided with a guide hole 624 matched with the guide rod 654 in a sliding manner, and through the matching of the guide rod 654 and the guide hole 624, a more stable guide acting force is provided for the lifting movement of the sliding table 651, the sliding table 651 is moved more smoothly, and the adjustment of the staples 63 is more convenient. Meanwhile, the external thread of the adjusting screw 652 is preferably a trapezoidal thread, and the cap has higher strength than a common thread due to the trapezoidal thread, so that reliable support can be provided for the longitudinal force borne by the grabbing nail 63, and the reliability of grabbing the ground by the grabbing nail 63 is ensured; moreover, the pitch of the trapezoidal thread is large, so that the lifting of the sliding table 651 can be quickly adjusted, and the operation is quicker and more convenient.
Considering that the supporting wheel 4 is easy to sink when weeding on loose ground, the lower end of the lifting plate 62 is further provided with a floating plate 66, and the position of the floating plate 66 corresponding to the grabbing nail 63 is provided with a grabbing nail hole, so that the grabbing nail 63 smoothly passes through the hole; and when bolt 613 and two regulation holes 621 alternatives are connected, the lower surface of trowelling plate 66 contracts respectively or stands out in the lower edge of supporting wheel 4 to trowelling plate 66 can be selective with ground contact, with the selection on the loose subaerial of soil texture through trowelling plate 66 and ground contact, and then bear the rear portion weight of equipment through trowelling plate 66, avoid supporting wheel 4 to fall into, ensure smooth and steady that the weeder went forward. The lower surface of the trowel 66 is preferably configured as a downward convex arc surface to reduce the resistance between the trowel 66 and the ground, so that the movement is smoother.
To sum up, adopt above-mentioned technical scheme's miniature rotary tillage weeder, can provide very big convenience for weeding operation, and operating strength is low, weeding effect is good.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (6)
1. A miniature rotary tillage weeder comprises: the rotary cultivator comprises a frame, and a rotary tillage cutter, a power device, a supporting wheel and a handrail which are connected to the frame, and is characterized in that a supporting auxiliary device is also arranged on the frame behind the rotary tillage cutter;
the supporting auxiliary device comprises a supporting body, a lifting plate and a grabbing nail; the supporting bodies are vertically arranged and connected to the machine frame behind the rotary tillage cutter, the lifting plate is connected to the supporting bodies and can move up and down along the supporting bodies, and the plurality of grabbing nails are arranged at the lower ends of the lifting plate and are uniformly arranged along the central axis direction of the supporting wheels; the grabbing nails extend downwards, so that the lower ends of the grabbing nails can retract or protrude out of the lower edges of the supporting wheels when the lifting plate moves up and down;
the supporting body is provided with an accommodating cavity with an opening at the lower end and matched with the lifting plate, and the lifting plate can be arranged in the accommodating cavity in a vertically sliding manner; a positioning hole is formed in the supporting body outside the accommodating cavity, an upper adjusting hole and a lower adjusting hole which can be aligned with the positioning hole are formed in the lifting plate, and a bolt penetrates through the positioning hole and is connected with one of the two adjusting holes, so that the lower ends of the grabbing nails respectively retract into or protrude out of the lower edge of the supporting wheel;
a spring is arranged between the upper end of the lifting plate and the top of the accommodating cavity;
further comprising: set up the nipper adjustment mechanism on the lifter plate, the nipper adjustment mechanism includes: a sliding table and an adjusting screw;
the lower end of the lifting plate is provided with an upward concave sliding groove, and the lifting plate at the upper part of the sliding groove is provided with a screw hole which is communicated up and down; the sliding table is arranged in the sliding groove in a vertically sliding mode, the adjusting screw rod is in threaded connection with the threaded hole, the lower end of the adjusting screw rod protrudes into the sliding groove and is rotatably connected with the sliding table, and the upper end of the adjusting screw rod protrudes out of the supporting body and is provided with a rotating handle.
2. A miniature rotary tillage weeder according to claim 1,
the upper portion of slip table is provided with the guide bar that upwards extends, set up on the lifter plate on spout upper portion with the guiding hole of guide bar slip adaptation.
3. A miniature rotary tillage weeder according to claim 1,
the external thread of the adjusting screw is a trapezoidal thread.
4. A miniature rotary tillage weeder according to any one of claims 1 to 3,
a plastering plate is arranged at the lower end of the lifting plate, and nail grabbing holes are formed in the position, corresponding to the grabbing nails, of the plastering plate; when the bolt is connected with one of the two adjusting holes, the lower surface of the wiping plate retracts or protrudes out of the lower edge of the supporting wheel respectively.
5. A miniature rotary tillage weeder according to claim 4,
the lower surface of the troweling plate is a downward convex cambered surface.
6. A miniature rotary tillage weeder according to claim 5,
the supporting wheels are arranged on two sides of the supporting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198821.5A CN109219999B (en) | 2018-10-15 | 2018-10-15 | Miniature rotary tillage weeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198821.5A CN109219999B (en) | 2018-10-15 | 2018-10-15 | Miniature rotary tillage weeder |
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| Publication Number | Publication Date |
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| CN109219999A CN109219999A (en) | 2019-01-18 |
| CN109219999B true CN109219999B (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811198821.5A Active CN109219999B (en) | 2018-10-15 | 2018-10-15 | Miniature rotary tillage weeder |
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| CN107896528A (en) * | 2017-11-06 | 2018-04-13 | 贾杨博 | A kind of landscape garden afforestation project lawn perforating device |
| CN107950094A (en) * | 2017-12-25 | 2018-04-24 | 温岭正峰动力有限公司 | A kind of tilling depth in agricultural ploughing machine adjusts damping unit |
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2018
- 2018-10-15 CN CN201811198821.5A patent/CN109219999B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201612000U (en) * | 2010-02-03 | 2010-10-27 | 颜志江 | Rear wheel adjusting device of plowing scarifier |
| JP2012016284A (en) * | 2010-07-06 | 2012-01-26 | Mitsubishi Agricultural Machinery Co Ltd | Walking type managing machine |
| CN102077706A (en) * | 2011-02-24 | 2011-06-01 | 常州思马德动力设备制造有限公司 | Direct-current rotary cultivator |
| CN103907418A (en) * | 2013-01-05 | 2014-07-09 | 泰州市五鑫泵阀动力机械制造有限公司 | Sliding-plate resistance rod |
| CN203523269U (en) * | 2013-08-31 | 2014-04-09 | 贺成祖 | Labor saving machine special for farm-oriented mini-tiller |
| CN107484444A (en) * | 2017-08-24 | 2017-12-19 | 武汉中智德远科技开发有限公司 | A kind of gardens hand-held lawn punch device |
| CN107896528A (en) * | 2017-11-06 | 2018-04-13 | 贾杨博 | A kind of landscape garden afforestation project lawn perforating device |
| CN107950094A (en) * | 2017-12-25 | 2018-04-24 | 温岭正峰动力有限公司 | A kind of tilling depth in agricultural ploughing machine adjusts damping unit |
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| CN109219999A (en) | 2019-01-18 |
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