CN109168343B - General inter-plant weeding and scarifier for mulberry field and orchard - Google Patents
General inter-plant weeding and scarifier for mulberry field and orchard Download PDFInfo
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- CN109168343B CN109168343B CN201811298993.XA CN201811298993A CN109168343B CN 109168343 B CN109168343 B CN 109168343B CN 201811298993 A CN201811298993 A CN 201811298993A CN 109168343 B CN109168343 B CN 109168343B
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- weeding
- soil loosening
- tension spring
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- rotary
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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
- A01B39/00—Other machines specially adapted for working soil on which crops are growing
- A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
- A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/08—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a general inter-plant weeding and scarifier for mulberry fields and orchards, which comprises: the device comprises a three-point suspension frame unit, a transmission system unit, a weeding and soil loosening unit and a reset unit; according to the weeding and soil loosening device, the driven sprocket drives the weeding and soil loosening rotary shaft to rotate at a high speed, so that the weeding and soil loosening cutter is rotated at a high speed, and further weeding and soil loosening operation is realized; when the anti-collision wheel is subjected to the resistance of the stem, the movable cantilever rotates under the tension of the tension spring, so that the plant is protected from being damaged; under the action of the tension spring, the movable cantilever can return to the initial position again to finish resetting; the weeding and soil loosening method is applied to weeding and soil loosening operations in woody plants, and is suitable for inter-plant weed removal and soil loosening operations; safe and efficient, and can solve the problems of low efficiency of manual weeding and environmental pollution caused by herbicide.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a general inter-plant weeding and scarifier for mulberry fields and orchards.
Background
In the planting of woody plants, weeds often accompany the plants to grow around the terminal of the plants close to the ground, the weeds compete with the plants for nutrients, and diseases and insect pests are transmitted, so that the plants are not only unfavorable for growth, the stems of the plants are weak, but also the quality of the plants is affected, and therefore, the weeds among the plants must be removed in time.
At present, the weeding mode commonly used in production and life is used for manually weeding or various herbicides are used, and the traditional manual mode has the defects of low working efficiency, high labor consumption and the like. Although the herbicide can remove weeds timely, thoroughly, quickly, labor-saving, conveniently and labor-saving, the herbicide causes serious environmental pollution along with the use of a large amount of pesticides in recent years, and the drug resistance of the weeds is also prominent. Therefore, the invention is a mechanized, simple and convenient operation and environment-friendly inter-plant weeding and scarifier.
Disclosure of Invention
Aiming at the defects, the invention provides a general inter-plant weeding and scarifier for mulberry fields and orchards, which can solve the problems of low manual weeding efficiency and environmental pollution caused by herbicides.
A general inter-plant weeding and scarifier for mulberry field and orchard, comprising: the device comprises a three-point suspension frame unit, a transmission system unit, a weeding and soil loosening unit and a reset unit;
the three-point suspension rack unit comprises a three-point suspension rack, a rectangular steel pipe rack, a supporting universal wheel and a movable radial arm; the three-point suspension bracket is fixed in the middle of the rectangular steel pipe rack through a U-shaped bolt; the supporting universal wheel is movably fixed at the rear part of the rectangular steel pipe rack through a threaded rod, and plays a role in supporting the whole machine; the supporting universal wheels are rotated upwards or downwards through the threaded rods, so that the height adjustment is realized; the movable radial arm is movably fixed at the rear end of the rectangular steel pipe rack through a transmission shaft; the movable radial arm can freely rotate left and right around the transmission shaft;
the transmission system unit comprises a spiral bevel gear reverser, a driving sprocket, a double-row sprocket, a driven sprocket, a tensioning wheel, a bearing with a seat, a transmission shaft and a universal joint; the spiral bevel gear reverser is fixed on the rectangular steel pipe rack, the universal joint is connected to the power input shaft end of the spiral bevel gear reverser through a key, the driving sprocket is connected with the power output shaft of the spiral bevel gear reverser through a key, and the power output shaft end is fixed by a shaft end retainer ring; the two bearings with the seats are vertically symmetrically arranged on the rectangular steel pipe rack, and two ends of the transmission shaft are respectively arranged in bearing holes of the bearings with the seats; the double-row chain wheel is fixed at the upper end of the transmission shaft through two identical bearings, the coaxiality of the transmission shaft can be ensured by the two identical bearings, and the abrasion of the transmission shaft can be effectively reduced to a certain extent; the driven chain wheel is positioned at the tail end of the movable cantilever and is connected with the weeding and soil loosening rotary shaft through a key; the driving chain wheel is connected with the upper chain wheel of the double-row chain wheel through a first chain; the lower chain wheel of the double-row chain wheel is connected with the driven chain wheel through a second chain; the two tensioning wheels are respectively welded on the rectangular steel pipe rack and the movable radial arm and respectively play a tensioning role on the first chain and the second chain; the lower end of the weeding and soil loosening rotary shaft is connected with a rotary cutter head or a rotary rope disc; the power output of the tractor is transmitted to the power input shaft end of the spiral bevel gear reverser through a universal joint, the power is transmitted to the double-row chain wheel through the first chain wheel after 90-degree reversing through the spiral bevel gear reverser, and then the power is transmitted to the driven chain wheel through the second chain wheel, so that the rotary cutter head is finally driven to rotate at a high speed, and the protective iron ring is welded on the rotary cutter head to protect the rotary cutter head; the power input shaft of the spiral bevel gear reverser realizes power input, and the speed increase and power transmission are realized through a chain.
The weeding and scarifying unit comprises a weeding and scarifying rotating shaft, an anti-collision wheel, a flange disc bearing, an anti-collision wheel and a rotary cutter disc (or a rotary rope disc); the anti-collision wheel is arranged on the weeding and soil loosening rotary shaft through a flange disc bearing; the anti-collision wheel can freely rotate around the weeding and soil loosening rotary shaft, so that the protection effect on plant stems in weeding and soil loosening operation is realized; when weeding, a rotary cutter disc or a rotary rope disc is selected according to the requirement, and the bottom of the weeding and scarifying rotating shaft is connected with the rotary cutter disc or the rotary rope disc; the bottom of the rotary cutterhead is uniformly and vertically provided with weeding and soil loosening cutters downwards along the circumference; the rotary rope disc is cylindrical, and the outer wall of the rotary rope disc is connected with a plurality of rows of weed removing ropes; the rotary cutter disc or the rotary rope disc rotates at a high speed, so that the high-speed rotation operation of the weeding and soil loosening cutter is realized;
the reset unit comprises a tension spring and a tension spring fixing support; two groups of reset units are arranged on the side surface of the frame side by side up and down; two groups of tension spring fixing supports are symmetrically arranged on the movable radial arms at two sides of the transmission shaft and the frame at the same side of the rectangular steel pipe frame up and down; each group of tension spring fixing supports consists of two tension spring fixing supports which are arranged front and back and positioned on a horizontal line; the two ends of the tension spring are horizontally fixed in tension spring fixing supports on the left side and the right side; the upper tension spring and the lower tension spring are arranged in parallel; when the anti-collision wheel is subjected to stem resistance, the movable cantilever rotates under the action of the tension spring, and returns to the initial position under the tension of the elastic tension spring to finish resetting.
Preferentially, four weeding and scarifying cutters are uniformly arranged on the rotary cutter disc at intervals of 90 degrees along the circumference of the rotary cutter disc;
the length of the weeding rope is smaller than or equal to the radius of the rotating disc, so that the damage to crop stems caused by overlong length of the weeding rope is avoided when weeding with the cutting rope;
preferably, the rotating rope disc is uniformly fixed with four grass cutting ropes along the circumference thereof; three straw cutting ropes are arranged in each row; the three grass cutting ropes are evenly arranged at intervals of 120 degrees along the circumferential direction.
According to the weeding and soil loosening device, the driven sprocket drives the weeding and soil loosening rotary shaft to rotate at a high speed, so that the weeding and soil loosening cutter is rotated at a high speed, and further weeding and soil loosening operation is realized; when the anti-collision wheel is subjected to the resistance of the stem, the movable cantilever rotates under the tension of the tension spring, so that the plant is protected from being damaged; under the action of the tension spring, the movable cantilever can return to the initial position again to finish the reset.
The beneficial effects are that:
the invention is mainly applied to weeding and soil loosening operations in woody plants, such as weeding and soil loosening operations in mulberry fields and orchards; compared with the existing manual weeding and herbicide weeding, the weeding machine has the advantages that the weeding machine is driven by the three-point type hanging tractor, the weeding machine walks along plants, the weeding among plants can be completed, the weeding machine is simple and convenient to operate, unnecessary labor force is not needed to assist, the tension springs, the movable rotating arms and the anti-collision wheels are arranged, the plants cannot be damaged mechanically, safety and high efficiency are achieved, and the weeding machine is suitable for weeding among plants and scarifying.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a diagram of the movable cantilever structure with the cutter;
FIG. 3 is a diagram of a movable cantilever structure with a cutting cord
FIG. 4 is a block diagram of a transmission unit;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 7 is a diagram of a cutter disc structure;
fig. 8 is a structural view of a cutting rope reel;
FIG. 9 is a schematic view of a mowing cord arrangement;
FIG. 10 is a weeding ripper blade;
FIG. 11 is a view of a weeding and ripping shaft;
in the figure: 1. three-point hanger bracket 2, rectangular steel tube frame 3, supporting universal wheel 4, movable suspension 5, spiral bevel gear reverser 6, driving sprocket 7, double row sprocket 8, driven sprocket 9, tensioning wheel 10, drive shaft 11, seat bearing 12, double-ended screw 13, chain 14, universal joint 15, herbicidal looseness shaft 16, herbicidal looseness shaft bearing 17, flange bearing 18, crashproof wheel 19, herbicidal looseness knife 20, protective iron ring 21, rotary cutterhead 22, herbicidal looseness knife fastening bolt 23, flange bearing fastening bolt 24, tension spring 25, tension spring fixing support 26, threaded rod 27, fastening piece 28, U-shaped bolt 29, spiral bevel gear reverser fastening bolt 30, supporting universal wheel fastening bolt 31, drive shaft bearing 32, driven sprocket shaft end retainer 33, driving sprocket shaft end retainer 34, fastening nut 35, fastening nut two 36, crop rope 37, rotary rope 38, chain two
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
As shown in the figure, a general inter-plant weeding loosener for mulberry fields and orchards, which is characterized by comprising: the device comprises a three-point suspension frame unit, a transmission system unit, a weeding and soil loosening unit and a reset unit; the weeding and soil loosening cutter is a commercially available piece.
The three-point suspension gantry unit comprises: the three-point type suspension bracket 1, a rectangular steel pipe frame 2, a supporting universal wheel 3 and a movable radial arm 4, wherein the three-point type suspension bracket 1 is fixed on the rectangular steel pipe frame 2 through a U-shaped bolt 28, the supporting universal wheel 3 is fixed in a reserved hole of the rectangular steel pipe frame 2 through a fastener 27 and a threaded rod 26, the movable radial arm 4 passes through a transmission shaft 10, and the bottom of the transmission shaft 10 is matched with a fastening nut 34 to form movable connection of the movable radial arm 4, and the movable radial arm 4 can freely rotate around the transmission shaft 2;
the transmission system unit includes: the double-row sprocket wheel 7 is fixed on the rectangular steel tube frame 2 through the bearing with a seat 11, the double-row sprocket wheel 7 is fixed on the upper end of the transmission shaft 10 through two identical bearings 31, the driven sprocket wheel 8 is connected with a weeding and soil loosening rotary shaft 15 through a key and fixed through a shaft end retainer ring 32, the two tensioning wheels 9 are respectively welded on the rectangular steel tube frame 2 and the movable radial arm 4, a tensioning effect is exerted on a first chain 13, the PTO output of a tractor transmits power to the power input shaft end of the spiral bevel gear reverser 5 through the universal joint 14, the power is transmitted to the double-row sprocket wheel 7 through a first chain 590 after the power is converted to the power output shaft end through the spiral bevel gear reverser, the double-row sprocket wheel 7 is rotated through a second chain 590 through a first chain 13, the driven sprocket wheel 8 is driven by a second chain 38, and the cutter disc 21 is protected from rotating, and finally the cutter disc 21 is protected by the high-speed rotation protection;
the weeding and scarifying unit comprises: the weeding and scarifying rotary shaft 15, the anti-collision wheel 18, the weeding and scarifying cutter 19, the rotary cutter head 21, the mowing rope 36, the rotary rope disc 37 and the flange disc bearing 17; the weeding and scarifying cutters are two types, the weeding and scarifying cutters 19 are fixed on the rotary cutter head 21 through bolts, four weeding and scarifying cutters 19 are fixed on the rotary cutter head 21, the weeding ropes 36 are fixed on the outer wall of the rotary rope disc 37, and four rows of three weeding ropes are fixed on the outer wall of the rotary rope disc 37. The weeding and scarifying rotary shaft 15 is connected with the driven sprocket 8 through a key to realize the rotation of the weeding and scarifying rotary shaft 15, the anti-collision wheel 18 is fixed on the weeding and scarifying rotary shaft 15 through a flange disc bearing 17 and a fastening bolt 23, the anti-collision wheel 18 can freely rotate around the weeding and scarifying rotary shaft 15 to realize the protection effect on plant stems in weeding and scarifying operation, the rotary cutter disc 21 or the rotary rope disc 37 is fixed at the lower end of the weeding and scarifying rotary shaft 15 through a fastening nut II 35 to realize the rotation of the rotary cutter disc 21 or the rotary rope disc 37, so that PTO power is transferred to the driving sprocket 6 after 590-degree reversing through a spiral bevel gear reverser and then transferred to the driven sprocket 8 through a double-row sprocket 7 through a chain II 38, and the rotary cutter disc 21 or the rotary rope disc 37 rotates at a high speed under the driving of the weeding and scarifying rotary cutter is finally realized at a high speed;
the reset unit includes: the tension spring 24 and the tension spring fixing support 25, the tension spring fixing support 25 is welded on the side surfaces of the movable radial arm 4 and the side surfaces of the movable radial arm respectively, the tension spring 24 is horizontally hung at two ends of the tension spring fixing support 25, two groups of reset mechanisms are arranged on the side surfaces of the frame side by side up and down, and the reset mechanisms realize the reset operation of the rotary displacement of the movable radial arm 4 under the resistance of the stems of the anti-collision wheels 18.
The reset unit includes: the tension spring 24 and the tension spring fixing support 25, the tension spring fixing support 25 is welded on the side surfaces of the movable radial arm 4 and the side surfaces of the movable radial arm respectively, the tension spring 24 is horizontally hung at two ends of the tension spring fixing support 25, two groups of reset mechanisms are arranged on the side surfaces of the frame side by side up and down, and the reset mechanisms realize the reset operation of the rotary displacement of the movable radial arm 4 under the resistance of the stems of the anti-collision wheels 18.
The length, width and height of the invention are 1615mm, 512mm and 823mm respectively.
The supporting universal wheel 3 realizes height adjustment through adjusting the fastener 27 and the threaded rod 26, and plays a role in supporting the whole machine.
The power input shaft of the spiral bevel gear reverser 5 realizes power input, and the speed increase and power transmission are realized through a first chain 13.
The driven sprocket 8 drives the weeding and soil loosening rotary shaft 15 to rotate at a high speed, so that the weeding and soil loosening cutter is rotated at a high speed, and further weeding and soil loosening operation is realized.
The tension spring 24 receives tension in the working process, and resets the movable radial arm 4 by means of elasticity generated in the stretching process, and the final resetting effect is the state of the movable radial arm 4 when the anti-collision wheel 18 is not subjected to the resistance of the stems.
The invention is connected with a tractor through a pin shaft by the three-point suspension bracket 1, the movement of the tractor drives the whole machine to move, and the PTO output of the tractor transmits power to the power input shaft end of the spiral bevel gear reverser 5 through the universal joint 14, so that the supply of the working power of the whole machine is realized.
The invention mainly relates to weeding and soil loosening operation of woody plants, which is applied to weeding and soil loosening operation of mulberry fields and fruits.
The working principle and working process of the invention are as follows:
the invention is hung on a tractor through a three-point type suspension, a universal joint 34 is used for connecting a PTO of the tractor with a power input shaft of a spiral bevel gear reverser 5, the whole machine moves along with the tractor, the PTO of the tractor provides power, and a supporting universal wheel 3 of the whole machine is contacted with the ground through adjusting the three-point type suspension of the tractor, so that the supporting universal wheel 3 plays a supporting role. When a weeding mode of a weeding and scarifying cutter is selected, fixing a rotary cutter head 21 at the lower end of a weeding and scarifying rotary shaft 15; the weeding and scarifying cutter 19 is fixed on the rotary cutter head 21 through a bolt, the tip of the weeding and scarifying cutter 19 is inserted into the soil, the tractor moves along one side of the plant row, the circle center of the anti-collision wheel 18 is enabled to be in line coincidence with the center of the plant row, the rotary cutter head 21 is driven by a transmission system to rotate at a high speed to remove weeds between the plant and the plant row, when the rotary cutter head 21 moves to the root of the plant, the anti-collision wheel 18 contacts with a stem, the movable radial arm 4 is subjected to angle deflection by the resistance force, meanwhile, the tension spring 24 is stretched to generate tension, the anti-collision wheel 18 moves rotationally along the arc surface of the stem, at the moment, the rotary cutter head 21 moves along the surface of the stem in an arc route, the weeding and scarifying rotary shaft 15 rotates at a high speed to remove weeds below the arc route in the moving process, the whole machine continues to move forwards, when the connecting line of the circle center of the anti-collision wheel 18 and the diameter circle center of the tree is perpendicular to the center of the plant row, the tension spring 24 reaches the stretching limit position, the movable radial arm 4 resets under the action of the tension spring 24, the path of the rotary cutter head 21 is still along the arc of the stem in the resetting process, the weeds on the surface of the soil are removed by the weeding and scarifying cutter. When a mowing rope is selected for weeding, a rotary rope disc is arranged at the lower end of a weeding and soil loosening rotary shaft 15; the grass cutting rope 36 rotates at a high speed under the high-speed drive of the rotating rope disc 37, the grass cutting rope 36 can crush weeds into soil, different weeds can be aimed at by changing the type of the grass cutting rope, and other mechanisms operate in the same way as the first type. The weed cleaning and soil loosening work without mechanical damage between plants is completed under the cooperation of the mechanisms, and the tractor drives the whole machine to continuously move forward to enter the next weeding and soil loosening period.
According to the weeding and scarifying machine, according to the weeding and scarifying method, weeding and scarifying knives or mowing ropes can be selected for weeding according to the weeding and scarifying conditions of different heights; the weeding and scarifying knife is mainly applied to weeds with shorter heights, eliminates the entering soil, and has the function of scarifying the soil at the same time of eliminating the weeds; the mowing rope is used for weeding weeds with higher heights, and the weeds with higher heights are broken and crushed by using the mowing rope.
Claims (1)
1. The utility model provides a general inter-plant weeding loosener in mulberry field and orchard, its characterized in that includes: the device comprises a three-point suspension frame unit, a transmission system unit, a weeding and soil loosening unit and a reset unit;
the three-point suspension frame unit comprises a three-point suspension frame, a rectangular steel pipe frame, a supporting universal wheel and a movable radial arm; the three-point suspension bracket is fixed in the middle of the rectangular steel pipe rack through a U-shaped bolt; the supporting universal wheel is movably fixed at the rear part of the rectangular steel pipe rack through a threaded rod; the supporting universal wheel rotates upwards or downwards through the threaded rod, so that the height adjustment is realized; the movable radial arm is movably fixed at the rear end of the rectangular steel pipe rack through a transmission shaft; the movable radial arm can freely rotate left and right around the transmission shaft;
the transmission system unit comprises a spiral bevel gear reverser, a driving sprocket, a double-row sprocket, a driven sprocket, a tensioning wheel, a bearing with a seat, a transmission shaft and a universal joint; the spiral bevel gear reverser is fixed on the rectangular steel pipe rack, the universal joint is connected to the power input shaft end of the spiral bevel gear reverser through a key, the driving sprocket is connected with the power output shaft of the spiral bevel gear reverser through a key, and the power output shaft end is fixed by a shaft end retainer ring; the two bearings with the seats are vertically symmetrically arranged on the rectangular steel pipe rack, and two ends of the transmission shaft are respectively arranged in bearing holes of the bearings with the seats; the double-row chain wheel is fixed at the upper end of the transmission shaft through two identical bearings; the driven chain wheel is positioned at the tail end of the movable cantilever and is connected with the weeding and soil loosening rotary shaft through a key; the driving chain wheel is connected with the upper chain wheel of the double-row chain wheel through a first chain; the lower chain wheel of the double-row chain wheel is connected with the driven chain wheel through a second chain; the two tensioning wheels are respectively welded on the rectangular steel pipe rack and the movable radial arm and play a role in tensioning the first chain and the second chain; the lower end of the weeding and soil loosening rotary shaft is connected with a rotary cutter head or a rotary rope disc; the power output of the tractor is transmitted to the power input shaft end of the spiral bevel gear reverser through the universal joint, the power is transmitted to the double-row chain wheel through the first chain wheel by the driving chain wheel after 90-degree reversing of the spiral bevel gear reverser, and the power is transmitted to the driven chain wheel through the second chain wheel to drive the rotary cutter to rotate; when weeding, selecting a rotary cutter disc or a rotary rope disc according to the requirements; the bottom of the weeding and soil loosening rotating shaft is connected with a rotating cutter disc or a rotating rope disc; the bottom of the rotary cutterhead is uniformly and vertically provided with weeding and soil loosening cutters downwards along the circumference; the rotary rope disc is cylindrical, and the outer wall of the rotary rope disc is connected with a plurality of rows of weed removing ropes; four weeding and scarifying cutters are uniformly arranged on the rotary cutter disc at intervals of 90 degrees along the circumference of the rotary cutter disc; the length of the weeding rope is smaller than or equal to the radius of the rotating disc; four straw cutting ropes are uniformly fixed on the rotating rope disc along the circumference of the rotating rope disc up and down; three straw cutting ropes are arranged in each row; the three grass cutting ropes are evenly arranged at intervals of 120 degrees along the circumferential direction;
the weeding and soil loosening unit comprises a weeding and soil loosening rotating shaft, an anti-collision wheel, a flange disc bearing and an anti-collision wheel; the anti-collision wheel is arranged on the weeding and soil loosening rotary shaft through a flange disc bearing; the anti-collision wheel can freely rotate around the weeding and soil loosening rotary shaft, so that the protection effect on plant stems in weeding and soil loosening operation is realized;
two groups of reset units are arranged on the side surface of the rectangular steel pipe rack side by side up and down; the reset unit comprises a tension spring and a tension spring fixing support; two groups of tension spring fixing supports are symmetrically arranged on the movable radial arms at two sides of the transmission shaft and the frame at the same side face of the rectangular steel tube frame up and down, and each group of tension spring fixing supports consists of two tension spring fixing supports which are arranged front and back and are positioned on a horizontal line; the two ends of the tension spring are horizontally fixed in tension spring fixing supports on the left side and the right side; the upper tension spring and the lower tension spring are arranged in parallel; when the anti-collision wheel is subjected to stem resistance, the movable cantilever rotates under the action of the tension spring, and returns to the initial position under the tension of the elastic tension spring to finish resetting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811298993.XA CN109168343B (en) | 2018-11-02 | 2018-11-02 | General inter-plant weeding and scarifier for mulberry field and orchard |
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| CN201811298993.XA CN109168343B (en) | 2018-11-02 | 2018-11-02 | General inter-plant weeding and scarifier for mulberry field and orchard |
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| CN109168343B true CN109168343B (en) | 2023-10-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110036710A (en) * | 2019-05-29 | 2019-07-23 | 西南大学 | It is a kind of suitable for the crop in the ranks weed and loose soil machine structure between strain |
| CN110313466A (en) * | 2019-08-07 | 2019-10-11 | 国家林业和草原局哈尔滨林业机械研究所 | One kind is loosened the soil knife head device from avoidance weed and loose soil machine weeding |
| CN111955069B (en) * | 2020-08-26 | 2022-05-06 | 山东大学 | Profiling inter-plant weeding mechanism, weeding device and method |
| CN114303480B (en) * | 2022-01-10 | 2023-06-27 | 广东运昌隆后勤科技有限公司 | District miscellaneous plant clears away collection device |
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