CN109937675B - Improved potato seedling pulling weeding machine - Google Patents
Improved potato seedling pulling weeding machine Download PDFInfo
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- CN109937675B CN109937675B CN201910124505.1A CN201910124505A CN109937675B CN 109937675 B CN109937675 B CN 109937675B CN 201910124505 A CN201910124505 A CN 201910124505A CN 109937675 B CN109937675 B CN 109937675B
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Abstract
The invention discloses an improved potato seedling pulling weeding machine which comprises a machine body (1), a positioning compression roller (2), two seedling pulling weeding wheels (3), a side ditch weeding device and a seedling collecting and scraping device; the positioning compression roller (2) is of a cylindrical roller-shaped structure, the positioning compression roller (2) is arranged at the front end of the lower part of the machine body (1), a compression roller shaft is arranged on a central shaft of the positioning compression roller (2), and two ends of the compression roller shaft are rotatably connected with the machine body (1); the two seedling-pulling weeding wheels (3) are arranged at the rear part of the positioning compression roller (2), the seedling-pulling weeding wheels (3) are connected with seedling-pulling weeding shafts (4), the seedling-pulling weeding shafts (4) are rotatably connected with the machine body (1), and a plurality of blunt teeth are uniformly embedded in the seedling-pulling weeding wheels (3) along the outer edge of the circumference; the side ditch weeding device comprises two side shaft weeding shafts (7), and a side ditch weeding knife (8) is fixedly connected to each side shaft weeding shaft (7). The invention has the advantages that the defects in the prior art can be overcome, and the structural design is reasonable and novel.
Description
Technical Field
The invention relates to an improved potato seedling pulling weeding machine, and belongs to the field of agricultural machinery.
Background
In recent years, as being motivated by the strong increase of the consumption demand of potatoes for food and the demand of industrial processing, and strong support of government policies, planting potatoes has become an important way to solve the food problem and increase the income of farmers. According to statistics, in 2010, the world yield of potatoes reaches 3 hundred million 2418 ten thousand 1889 tons, and China is the first big yield country in the world and approaches 7500 ten thousand tons. The main producing areas of Chinese potatoes are the southwest mountain area, the northwest area, the inner Mongolia area and the northeast area. Aiming at the current situation that a large number of potatoes are planted, the current potato seedling killing machine harvesting mode is difficult to carry out potato grading bagging, and the reason is that the weeds of potato seedling roots and the weeds with soil are too much and are difficult to remove, so that a grading device is blocked, impurities are removed in the seedling killing process, a bedding is provided for the subsequent potato grading bagging, and the potato seedling killing machine has important practical significance. The problem of stem and leaf treatment before potato harvest is definitely important to solve.
The existing potato seedling killing machine is single in structure, and a mode that a rotating shaft rotates to drive a reamer to rotate is adopted. The existing potato seedling killing machine is not provided with an accurate following positioning design, so that an operator cannot place the seedling killing machine to a height which enables a reamer to be close to the ground and is always higher than the ground in order to prevent the potato from being damaged in the working process, the working height of the seedling killing machine is changed due to different heights of ridges and furrows, weeds in furrows on two sides of a potato ridge cannot be removed due to the fact that side-furrow weeding equipment is not arranged, a large number of potato seedling roots and weeds which are not killed are always left, the killed potato seedlings are laid on the ground, and the potatoes can be blocked in the working process or the potato harvester can be blocked in different degrees. This is also the reason why the following potato harvest grading cannot be carried out under the existing seedling-killing technology.
The prior art discloses a potato seedling pulling weeding machine which can solve the problems. At the initial stage of potato planting, two sides of a potato ridge are in a slope shape, and the potato seedling pulling weeding machine in the prior art is designed based on the slope shape. But along with the field management on potato ridge, the size and the shape of the both sides of potato furrow have all taken place very big change, and the both sides of potato furrow can become to be close with ground vertical to the width on potato ridge also can become the variation in size, and the side furrow is weeded to the unable laminating potato ridge both sides and is carried out the side furrow and weed the operation like this, has influenced the practicality of equipment.
Disclosure of Invention
The technical scheme of the invention aims at the following problems in the prior art: "along with the field management on potato ridge, the size and the shape of the both sides of potato furrow have all taken place very big change, and the both sides of potato furrow can become to be close with perpendicular to the ground to the width on potato ridge also can become the variation in size, and the side ditch is weeded to unable laminating potato ridge both sides like this and is carried out the side ditch weeding operation, has influenced the not enough of the practicality of equipment", provides a modified potato and pulls out seedling weeder.
In order to solve the technical problems, the invention adopts the technical scheme that the improved potato seedling pulling weeding machine comprises a machine body, a positioning press roller, two seedling pulling weeding wheels, a side ditch weeding device and a seedling collecting and scraping device; the positioning compression roller is of a cylindrical roller-shaped structure, the positioning compression roller is arranged at the front end of the lower part of the machine body, a compression roller shaft is arranged on a central shaft of the positioning compression roller, and two ends of the compression roller shaft are rotatably connected with the machine body; the two seedling-pulling weeding wheels are arranged at the rear part of the positioning pressing roller, the seedling-pulling weeding wheels are connected with a seedling-pulling weeding shaft, the seedling-pulling weeding shaft is rotatably connected with the machine body, and a plurality of cogs are uniformly embedded on the seedling-pulling weeding wheels along the outer peripheral edge of the circumference; the side-ditch weeding device comprises two side-shaft weeding shafts, side-ditch weeding knives are fixedly connected to the side-shaft weeding shafts, side-ditch weeding shaft sleeves are sleeved on the side-ditch weeding shafts, and the side-ditch weeding shafts are rotatably connected with the side-ditch weeding shaft sleeves; a probe arm is connected to the side ditch weeding shaft sleeve, one end of the probe arm is fixedly connected with the side ditch weeding shaft sleeve, the other end of the probe arm is rotatably connected with the machine body, a tension spring is arranged between the two probe arms, and two ends of the tension spring are respectively and fixedly connected with one probe arm; the machine body is internally provided with a side ditch weeding cutter expansion and contraction assembly used for adjusting the distance between two side ditch weeding cutters; the expansion and contraction assembly of the side-ditch weeding cutter comprises a hydraulic cylinder, the hydraulic cylinder is fixed with the machine body, the end part of a piston rod of the hydraulic cylinder is connected with two expansion arms, one end of each expansion arm is hinged with a piston rod of the hydraulic cylinder, and the other end of each expansion arm is hinged with the outer surface of a side-ditch weeding shaft sleeve.
Compared with the technical scheme in the prior art, pass through in this application two side ditches weeding axle sleeves and visit the arm and be connected with the organism, visited and set up the extension spring between the arm for two, pull out the seedling weeder with the potato and place the potato ridge on after, the contained angle of two arm-probes can be adjusted to the pulling force through the extension spring, and then the interval of adjustment side ditches weeding axle sleeve. When the width of potato furrow changes in the potato seedling-pulling weeding machine advancing process, the pulling force through the extension spring can make two side furrow weeding knives can laminate the soil property lateral walls of potato furrow both sides, can not make the side furrow weeding knife can't carry out effectual weeding operation to the soil property lateral walls of potato furrow both sides because of the width change of potato furrow.
In the technical scheme of this application, pull out the seedling weeder with the potato and connect on agricultural traction equipment such as tractor, the power that whole potato pulled out the seedling weeder is provided by the tractor. In this application, the potato pulls out seedling weeder and moves along with advancing of tractor, wherein the location compression roller makes potato ridge top level at the in-process suppression soil of advancing to push down potato seedling and grass after the location compression roller is pressed, the subsequent seedling weeding wheel of pulling out of being convenient for pulls out the seedling weeding operation, makes follow-up seedling weeding operation of pulling out can not receive the influence because the change of ridge top height.
In this application, through pulling up the rotation of seedling weeder and drive the blunt tooth on it and follow rotatoryly, the rotation of blunt tooth is extracted potato seedling and grass, will cover simultaneously and take out in the plastic film on the potato ridge. The potato seedlings and the grass are rotationally conveyed to the potato furrows at two sides by the rotation of the seedling pulling and weeding wheels. In this application, after potato seedling and the grass that are pulled out are carried in the potato ridge, side ditch weeding axle and side ditch weeding sword are smashed the potato seedling and the grass of balling up.
Improve original rotary tillage arbor and rotary blade for side ditch weeding axle and side ditch weeding sword in this application, the side ditch weeding axle drives the side ditch weeding sword and rotates, and the side ditch weeding sword cuts into the degree of depth about one centimetre in the soil layer of potato ridge side, can cut the weeds root like this or pull up weeds with the root to owing to cut into the degree of depth not big, do not hinder the potato epidermis.
In this application, the contained angle of two extension arms when the activity of piston rod through the pneumatic cylinder changes, and then makes two side ditches weed the telescopic interval of axle increase of axle, can make two side ditches weed the sword more convenient enter into the potato furrow like this, pull out the seedling weeder at the potato and place the completion back, unload the oil pressure of pneumatic cylinder, the pulling force through the extension spring is taut with two side ditches weeding axle sleeves, and then makes the side ditches weed the sword and can laminate potato furrow both sides. The hydraulic cylinder of the application is connected with a hydraulic power device, and the hydraulic power device can be arranged on agricultural dragging equipment such as a tractor.
Preferably, the improved potato seedling-pulling weeding machine is characterized in that the machine body is provided with a seedling-pulling weeding shaft sleeve, and the seedling-pulling weeding shaft is sleeved in the seedling-pulling weeding shaft sleeve and is rotatably connected with the seedling-pulling weeding shaft sleeve through a bearing.
Preferably, the improved potato seedling pulling weeding machine is characterized in that a power system is arranged at the rear end of the machine body, a relay belt pulley is arranged on the machine body and connected with a belt pulley shaft, a belt pulley shaft sleeve is arranged on the machine body, the belt pulley shaft is sleeved in the belt pulley shaft sleeve and is rotationally connected with the belt pulley shaft sleeve through a bearing, the relay belt pulley is in transmission connection with the power system through a transmission belt, a weeding belt pulley is fixedly connected to the end part of the side ditch weeding shaft, a seedling pulling belt pulley is fixedly connected to the end part of the seedling pulling weeding shaft, and the weeding belt pulley and the seedling pulling belt pulley are in transmission connection with the relay belt pulley through the transmission belt respectively.
In this application, transmit driving system's power for pulling out seedling weeding axle and side ditch weeding axle through the relay belt pulley to drive and pull out seedling weeder and side ditch weeding sword and rotate, pull out seedling weeder, side ditch weeding sword's rotational speed can change through changing the seedling pulling out belt pulley of different diameters, the turf band pulley that removes.
Preferably, the improved potato seedling pulling weeding machine is characterized in that the end part of the probe arm is sleeved on the pulley shaft sleeve and is rotationally connected with the pulley shaft sleeve.
The end parts of the probe arms are sleeved on the belt pulley shaft sleeve, and when the angles of the two probe arms are changed, the tension force of a belt connected between the relay belt pulley and the turf removing belt pulley cannot be changed. In the advancing process of the potato seedling pulling weeding machine, even if the distance between the weeding shafts on the two side shafts is changed due to the width change of the potato ridges, the tension force of the belt connected between the relay belt pulley and the turf removing belt pulley can be kept stable within a certain range.
Preferably, in the improved potato seedling pulling weeding machine, the side ditch weeding cutter is a cylindrical cutter, a plurality of spiral weeding cutter teeth are arranged on the surface of the side ditch weeding cutter, and the weeding cutter teeth are wound on the surface of the side ditch weeding cutter in a cylindrical spiral shape.
Because the both sides of potato ridge are close to perpendicularly after long-time field management, set up the side ditch weeding sword into the cylinder cutter in this application to the shape change of the both sides soil wall of potato ridge after the adaptation field management can laminate the both sides soil wall of potato ridge as far as possible.
Preferably, the improved potato seedling-pulling weeding machine is characterized in that the seedling-pulling weeding wheels are arranged in parallel along the axis of the positioning pressing roller, the diameters of the two seedling-pulling weeding wheels are consistent, and the sum of the diameters of the two seedling-pulling weeding wheels is larger than or equal to the ridge top width of the potato ridge.
The sum of the diameters of the two seedling-pulling weeding wheels is more than or equal to the width of the ridge top of the potato ridge, so that the blunt teeth on the seedling-pulling weeding wheels can cover the whole ridge top and can convey the pulled seedling grass to the two sides of the ridge top of the potato ridge.
Preferably, in the improved potato seedling-pulling weeding machine, the plane where the lowest points of all the blunt teeth on the seedling-pulling weeding wheel are located is a reference plane, the tangent plane parallel to the reference plane in all the tangent planes at the lowest point of the surface of the positioning pressing roller is the lowest tangent plane of the positioning pressing roller, the reference plane is vertically lower than the lowest tangent plane of the positioning pressing roller, and a distance of-CM is arranged between the reference plane and the lowest tangent plane of the positioning pressing roller.
In the application, the lowest points of all the cogs on the seedling-pulling weeding wheel are set to be lower than the lowest point 11-2-CM of the positioning compression roller, so that the cogs can be positioned at 1-2CM in a potato ridge soil layer, and the seedling-pulling weeding wheel rotates at a slow speed to pull out potato seedlings and grass from the soil without breaking. If the cutting depth is too large, potatoes in the soil layer can be damaged, and if the cutting depth is too small, the potatoes cannot be pulled out of the soil layer, and the pulling-out of potato seedlings can be influenced, so that the cutting depth of the blunt teeth is limited to-CM in the application.
Preferably, in the improved potato seedling-pulling weeding machine, the two side-furrow weeding shafts are respectively erected in furrows at two sides of the double-row potato ridge.
The invention has the advantages that the defects in the prior art can be overcome, and the structural design is reasonable and novel. Compared with the technical scheme in the prior art, pass through in this application two side ditches weeding axle sleeves and visit the arm and be connected with the organism, visited and set up the extension spring between the arm for two, pull out the seedling weeder with the potato and place the potato ridge on after, the contained angle of two arm-probes can be adjusted to the pulling force through the extension spring, and then the interval of adjustment side ditches weeding axle sleeve. When the width of potato furrow changes in the potato seedling-pulling weeding machine advancing process, the pulling force through the extension spring can make two side furrow weeding knives can laminate the soil property lateral walls of potato furrow both sides, can not make the side furrow weeding knife can't carry out effectual weeding operation to the soil property lateral walls of potato furrow both sides because of the width change of potato furrow.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of a connection structure of a hydraulic cylinder and an expansion arm according to the present invention.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-3, the invention is an improved potato seedling-pulling weeding machine, which comprises a machine body 1, a positioning press roller 2, two seedling-pulling weeding wheels 3, a side-ditch weeding device and a seedling-collecting and scraping device; the positioning compression roller 2 is of a cylindrical roller-shaped structure, the positioning compression roller 2 is arranged at the front end of the lower part of the machine body 1, a compression roller shaft is arranged on a central shaft of the positioning compression roller 2, and two ends of the compression roller shaft are rotatably connected with the machine body 1; the two seedling-pulling weeding wheels 3 are arranged at the rear part of the positioning compression roller 2, the seedling-pulling weeding wheels 3 are connected with a seedling-pulling weeding shaft 4, the seedling-pulling weeding shaft 4 is rotatably connected with the machine body 1, and a plurality of blunt teeth are uniformly embedded on the seedling-pulling weeding wheels 3 along the outer edge of the circumference; the side ditch weeding device comprises two side shaft weeding shafts 7, side ditch weeding knives 8 are fixedly connected to the side shaft weeding shafts 7, side ditch weeding shaft sleeves 9 are sleeved on the side ditch weeding shafts 7, and the side ditch weeding shafts 7 are rotatably connected with the side ditch weeding shaft sleeves 9; be connected with a probe arm 10 on the side ditch weeding axle sleeve 9, the one end and the side ditch weeding axle sleeve 9 fixed connection of probe arm 10, the other end and the organism 1 of probe arm 10 rotate to be connected, are provided with extension spring 11 between two probe arms 10, and the both ends of extension spring 11 respectively with a probe arm 10 fixed connection.
Compared with the technical scheme in the prior art, two side ditch weeding shaft sleeves 9 are connected with the machine body 1 through exploring arm 10 in this application, have set up extension spring 11 between two exploring arms 10, after placing the potato ridge with potato seedling removal weeder on, the contained angle of two exploring arms 10 can be adjusted to the pulling force through extension spring 11, and then the interval of adjusting side ditch weeding shaft sleeve 9. When the width of potato furrow changes in the potato seedling-pulling weeding machine advancing process, the pulling force of the tension spring 11 can make the two side furrow weeding knives 8 can be attached to the soil side walls on the two sides of the potato furrow, and the side furrow weeding knives 8 can not effectively weed the soil side walls on the two sides of the potato furrow due to the width change of the potato furrow.
In the technical scheme of this application, pull out the seedling weeder with the potato and connect on agricultural traction equipment such as tractor, the power that whole potato pulled out the seedling weeder is provided by the tractor. In this application, the potato pulls out seedling weeder and moves along with advancing of tractor, wherein location compression roller 2 makes potato ridge top level and smooth at the in-process suppression soil that advances to push down potato seedling and grass after location compression roller 2 presses, the subsequent seedling weeding wheel 3 of pulling out of being convenient for pulls out the seedling weeding operation, makes follow-up seedling weeding operation of pulling out can not receive the influence because the change of ridge top height.
In this application, through pulling up the rotation of seedling weeder 3 and drive the blunt tooth on it and follow rotatoryly, the rotation of blunt tooth is extracted potato seedling and grass, will cover simultaneously and take out in the plastic film on the potato ridge. The potato seedlings and the grass are rotationally conveyed to the potato furrows at two sides by the rotation of the seedling pulling and weeding wheels 3. In the application, after the pulled potato seedlings and the pulled grass are conveyed to the potato ridges, the side-ditch weeding shaft 7 and the side-ditch weeding knife 8 smash the clustered potato seedlings and grass.
Improve original rotary tillage arbor and rotary blade for side ditch weeding axle 7 and side ditch weeding sword 8 in this application, side ditch weeding axle 7 drives side ditch weeding sword 8 and rotates, and side ditch weeding sword 8 cuts into the degree of depth about one centimetre in the soil layer of potato ridge side, can cut weeds root like this or pull up weeds with the root to owing to cut into the degree of depth not big, do not hinder the potato epidermis.
A side ditch weeding knife expansion and contraction assembly used for adjusting the distance between the two side ditch weeding knives 8 is arranged in the machine body 1; the expansion and contraction assembly of the side ditch weeding cutter comprises a hydraulic cylinder 12, the hydraulic cylinder 12 is fixed with the machine body 1, the end part of a piston rod of the hydraulic cylinder 12 is connected with two expansion arms 13, one end of each expansion arm 13 is hinged with the piston rod of the hydraulic cylinder 12, and the other end of each expansion arm 13 is hinged with the outer surface of the side ditch weeding shaft sleeve 9.
In this application, the contained angle of two extension arms 13 when the activity of piston rod through pneumatic cylinder 12 changes, and then makes two side ditches weed axle sleeve 9's interval increase, can make two side ditches weed sword 8 more convenient entering into the potato furrow like this, pull out the seedling weeder at the potato and place the completion back, unload the oil pressure of pneumatic cylinder 12, the pulling force through extension spring 11 is taut with two side ditches weeding axle sleeve 9, and then makes side ditches weed sword 8 can laminate potato furrow both sides.
The machine body 1 is provided with a seedling pulling weeding shaft sleeve 5, and a seedling pulling weeding shaft 4 is sleeved in the seedling pulling weeding shaft sleeve 5 and is rotatably connected with the seedling pulling weeding shaft sleeve 5 through a bearing.
The machine body is characterized in that a power system is arranged at the rear end of the machine body 1, a relay belt pulley 14 is arranged on the machine body 1, the relay belt pulley 14 is connected with a belt pulley shaft 15, a belt pulley shaft sleeve 16 is arranged on the machine body 1, the belt pulley shaft 15 is sleeved in the belt pulley shaft sleeve 16 and is rotationally connected with the belt pulley shaft sleeve 16 through a bearing, the relay belt pulley 14 is in transmission connection with the power system through a transmission belt, a turf removing belt pulley 17 is fixedly connected to the end portion of the side ditch weeding shaft 7, a seedling pulling belt pulley 18 is fixedly connected to the end portion of the seedling pulling weeding shaft 4, and the turf removing belt pulley 17 and the seedling pulling belt pulley 18 are in transmission connection with the relay belt pulley 14 through the transmission belt respectively.
In the application, the power of the power system is transmitted to the seedling-pulling weeding shaft 4 and the side-ditch weeding shaft 7 through the relay belt pulley 14, so that the seedling-pulling weeding wheel 3 and the side-ditch weeding cutter 8 are driven to rotate, and the rotating speeds of the seedling-pulling weeding wheel 3 and the side-ditch weeding cutter 8 can be changed by replacing the seedling-pulling belt pulley 18 and the turf-removing belt pulley 17 with different diameters.
The end of the probe arm 10 is sleeved on the pulley shaft sleeve 16 and is rotatably connected with the pulley shaft sleeve 16.
The end of the probe arm 10 is sleeved on the pulley shaft sleeve 16, and when the angles of the two probe arms 10 change, the tension force of the belt connected between the relay pulley 14 and the turf removing pulley 17 does not change. In the advancing process of the potato seedling pulling weeding machine, even if the distance between the weeding shafts 7 on the two side shafts is changed due to the width change of the potato ridges, the tension force of the belt connected between the relay belt pulley 14 and the turf removing belt pulley 17 can be kept stable within a certain range.
The side ditch weeding cutter 8 is a cylindrical cutter, a plurality of spiral weeding cutter teeth 19 are arranged on the surface of the side ditch weeding cutter 8, and the weeding cutter teeth 19 are wound on the surface of the side ditch weeding cutter 8 in a cylindrical spiral manner.
Because the both sides of potato ridge are close to perpendicularly after long-time field management, set up side ditch weeding sword 8 into the cylinder cutter in this application to the shape change of the both sides soil wall of potato ridge after the adaptation field management can laminate the both sides soil wall of potato ridge as far as possible.
The seedling-pulling weeding wheels 3 are arranged in parallel along the axis of the positioning compression roller 2, the diameters of the two seedling-pulling weeding wheels 3 are consistent, and the sum of the diameters of the two seedling-pulling weeding wheels 3 is more than or equal to the ridge top width of the potato ridge.
The sum of the diameters of the two seedling-pulling weeding wheels 3 is more than or equal to the width of the ridge top of the potato ridge, so that the blunt teeth on the seedling-pulling weeding wheels 3 can cover the whole ridge top and can convey pulled seedling grass to the two sides of the ridge top of the potato ridge.
The plane on which the lowest points of all the blunt teeth on the seedling-pulling weeding wheel 3 are located is a reference plane, the tangent plane parallel to the reference plane in all the tangent planes at the lowest position of the surface of the positioning pressing roller 2 is the lowest tangent plane of the positioning pressing roller 2, the reference plane is vertically lower than the lowest tangent plane of the positioning pressing roller 2, and a distance of 1-2CM is arranged between the reference plane and the lowest tangent plane.
In this application, the lowest point of all cogs on the weeding wheel 3 of pulling out seedlings sets up to being less than 2 lowest departments 1-2CM of location compression roller, can make the cogs can 1-2CM departments in the potato ridge soil layer like this, pulls out seedling weeding wheel 3 slow rotating and can accomplish to pull out potato seedling and grass from soil and do not break. If the cutting depth is too large, potatoes in the soil layer can be damaged, and if the cutting depth is too small, the potatoes cannot be pulled out of the soil layer, and the pulling-out of potato seedlings can be influenced, so that the cutting depth of the blunt teeth is limited to 1-2CM in the application.
Two side-furrow weeding shafts 7 are respectively erected in furrows at two sides of the double-row potato ridge.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (8)
1. An improved potato seedling pulling weeding machine is characterized in that: comprises a machine body (1), a positioning compression roller (2), two seedling-pulling weeding wheels (3), a side-ditch weeding device and a seedling-collecting and grass-scraping device; the positioning compression roller (2) is of a cylindrical roller-shaped structure, the positioning compression roller (2) is arranged at the front end of the lower part of the machine body (1), a compression roller shaft is arranged on a central shaft of the positioning compression roller (2), and two ends of the compression roller shaft are rotatably connected with the machine body (1); the two seedling-pulling weeding wheels (3) are arranged at the rear part of the positioning compression roller (2), the seedling-pulling weeding wheels (3) are connected with seedling-pulling weeding shafts (4), the seedling-pulling weeding shafts (4) are rotatably connected with the machine body (1), and a plurality of blunt teeth are uniformly embedded in the seedling-pulling weeding wheels (3) along the outer edge of the circumference; the side ditch weeding device comprises two side shaft weeding shafts (7), side ditch weeding knives (8) are fixedly connected to the side shaft weeding shafts (7), side ditch weeding shaft sleeves (9) are sleeved on the side ditch weeding shafts (7), and the side ditch weeding shafts (7) are rotatably connected with the side ditch weeding shaft sleeves (9); a detecting arm (10) is connected to the side ditch weeding shaft sleeve (9), one end of the detecting arm (10) is fixedly connected with the side ditch weeding shaft sleeve (9), the other end of the detecting arm (10) is rotatably connected with the machine body (1), a tension spring (11) is arranged between the two detecting arms (10), and two ends of the tension spring (11) are respectively and fixedly connected with one detecting arm (10); the side ditch weeding knife expansion and contraction assembly used for adjusting the distance between the two side ditch weeding knives (8) is arranged in the machine body (1); the expansion and contraction assembly of the side-ditch weeding cutter comprises a hydraulic cylinder (12), the hydraulic cylinder (12) is fixed with the machine body (1), the end part of a piston rod of the hydraulic cylinder (12) is connected with two expansion arms (13), one end of each expansion arm (13) is hinged to the piston rod of the hydraulic cylinder (12), and the other end of each expansion arm (13) is hinged to the outer surface of a side-ditch weeding shaft sleeve (9).
2. An improved potato seedling-pulling weeding machine as claimed in claim 1, wherein: the machine body (1) is provided with a seedling pulling weeding shaft sleeve (5), and a seedling pulling weeding shaft (4) is sleeved in the seedling pulling weeding shaft sleeve (5) and is rotatably connected with the seedling pulling weeding shaft sleeve (5) through a bearing.
3. An improved potato seedling-pulling weeding machine as claimed in claim 1, wherein: the machine body is characterized in that a power system is arranged at the rear end of the machine body (1), a relay belt pulley (14) is arranged on the machine body (1), the relay belt pulley (14) is connected with a belt pulley shaft (15), a belt pulley shaft sleeve (16) is arranged on the machine body (1), the belt pulley shaft (15) is sleeved in the belt pulley shaft sleeve (16) and is rotatably connected with the belt pulley shaft sleeve (16) through a bearing, the relay belt pulley (14) is in transmission connection with the power system through a transmission belt, a weeding belt pulley (17) is fixedly connected to the end part of a side ditch weeding shaft (7), a seedling pulling belt pulley (18) is fixedly connected to the end part of a seedling pulling weeding shaft (4), a turf removing belt pulley (17) and the seedling pulling belt pulley (18) are in transmission connection with the relay belt pulley (14) through the transmission belt respectively.
4. An improved potato seedling-pulling weeding machine as claimed in claim 3, wherein: the end part of the probe arm (10) is sleeved on the belt pulley shaft sleeve (16) and is rotationally connected with the belt pulley shaft sleeve (16).
5. An improved potato seedling-pulling weeding machine as claimed in claim 1, wherein: the side ditch weeding cutter (8) is a cylindrical cutter, a plurality of spiral weeding cutter teeth (19) are arranged on the surface of the side ditch weeding cutter (8), and the weeding cutter teeth (19) are wound on the surface of the side ditch weeding cutter (8) in a cylindrical spiral shape.
6. An improved potato seedling-pulling weeding machine as claimed in claim 1, wherein: the seedling-pulling weeding wheels (3) are arranged in parallel along the axis of the positioning compression roller (2), the diameters of the two seedling-pulling weeding wheels (3) are consistent, and the sum of the diameters of the two seedling-pulling weeding wheels (3) is more than or equal to the ridge top width of the potato ridge.
7. An improved potato seedling-pulling weeding machine as claimed in claim 1, wherein: the plane where the lowest points of all the blunt teeth on the seedling-pulling weeding wheel (3) are located is a reference plane, the tangent plane parallel to the reference plane in all the tangent planes at the lowest point of the surface of the positioning pressing roller (2) is the lowest tangent plane of the positioning pressing roller (2), the reference plane is vertically lower than the lowest tangent plane of the positioning pressing roller (2), and a distance of 1-2CM is arranged between the reference plane and the lowest tangent plane.
8. An improved potato seedling-pulling weeding machine as claimed in claim 1, wherein: two side-furrow weeding shafts (7) are respectively erected in furrows at two sides of the double-row potato ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124505.1A CN109937675B (en) | 2019-02-19 | 2019-02-19 | Improved potato seedling pulling weeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124505.1A CN109937675B (en) | 2019-02-19 | 2019-02-19 | Improved potato seedling pulling weeding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109937675A CN109937675A (en) | 2019-06-28 |
| CN109937675B true CN109937675B (en) | 2022-03-04 |
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| CN201910124505.1A Active CN109937675B (en) | 2019-02-19 | 2019-02-19 | Improved potato seedling pulling weeding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2716015C2 (en) * | 1977-04-09 | 1982-02-25 | Franz Kleine Maschinenfabrik Gmbh & Co, 4796 Salzkotten | Beet head cleaning device for beet harvesting machines |
| JP2000175530A (en) * | 1998-12-15 | 2000-06-27 | Seirei Ind Co Ltd | Self-propelled machine for treating sweet-potato runner |
| JP2004321180A (en) * | 2003-04-11 | 2004-11-18 | Fujimi Tekkosho:Kk | Stalk and leaf drawing machine for potato |
| CN204697518U (en) * | 2015-06-02 | 2015-10-14 | 青岛农业大学 | Beet kills seedling top-cutting machine |
| CN105103794A (en) * | 2015-08-31 | 2015-12-02 | 广西大学 | Orchard picking hand with arm of force adjustable |
| CN107931261B (en) * | 2017-10-30 | 2019-07-30 | 象山信基机械厂 | A kind of pipe fitting cleaning packaging system |
| CN107820746B (en) * | 2017-11-09 | 2020-05-12 | 吉林大学 | Machine is retrieved to limit membrane |
| CN107969193A (en) * | 2017-12-31 | 2018-05-01 | 桐乡市龙翔农机粮油专业合作社 | A kind of impeller regulating device and adjusting method for ridging machine |
| CN108668602A (en) * | 2018-05-21 | 2018-10-19 | 侯文会 | A kind of potato is pulled up seedlings weeder |
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