CN210840685U - Vibration seedling picking device of sweet potato stem leaf harvester - Google Patents

Abstract

The utility model relates to a seedling device is chosen in vibration of sweet potato stem leaf harvester, including vibrating beam, the fixed plate that loosens the soil, choose seedling hydraulic motor, vibration pivot, eccentric wheel, connecting rod, left break shovel, right break shovel, rotary knife axle and rotary knife motor, the utility model discloses a rotation through the eccentric wheel drives the break shovel swing to make the continuous do of break shovel lower extreme insert the not hard up soil of soil downwards, later pick up sweet potato seedling climing upwards again, thereby make sweet potato seedling climing and soil separation, thereby make fibrous root and soil separation, utilize the rotatory longitudinal cutting seedling climing of rotary knife simultaneously, cut off the fibrous root of seedling of mutual winding, overcome the influence that fibrous root of seedling and winding seedling climing and sweet potato stem leaf reaped, make things convenient for the mechanical operation that the sweet potato stem leaf reaped.

Description

Vibration seedling picking device of sweet potato stem leaf harvester

The technical field is as follows:

the utility model belongs to the technical field of agricultural machine, concretely relates to seedling device is chosen in vibration of sweet potato stem leaf harvester that plain area reaped the operation usefulness to ridge culture sweet potato stem leaf.

Background art:

the sweet potato fruit is root tuber, belongs to underground fruit, and the harvest needs to adopt the processes of digging and the like, but the sweet potato seedling tendrils grow in a creeping way and are seriously wound and flourish, sweet potato ridges are corroded by wind and water in a growing season, the sweet potato is complex in shape and irregular in fluctuation when being harvested, and the factors seriously restrict the mechanical harvest operation of the sweet potato. Therefore, at present, the harvest of the sweet potatoes still adopts manual harvest, the harvest efficiency is low, the labor intensity is high, and the harvest cost is high. Therefore, the manual harvest can not meet the requirement of the scale planting of the sweet potatoes, and the development of the sweet potato planting industry in China is severely restricted.

With the development of agricultural machinery technology, some harvesting machines for sweet potatoes appear in the market, but most of the current sweet potato harvesting machines adopt a sectional type harvesting mode, namely firstly, the stems and leaves of the sweet potatoes need to be cleaned manually, and then the sweet potatoes are harvested mechanically.

The whole body of the sweet potato is treasure, except for the root tuber, the sweet potato leaves and the stem and tendrils have high utilization value, about 30 tons of stem leaves can be produced from each hectare of the sweet potato, and the sweet potato is high-quality silage, has high plant protein content and can be used for raising poultry and livestock; in the current harvesting mode, after the sweet potato stems and seedlings are smashed and returned to the field, the sweet potato stems and seedlings cannot be recycled, and the investment cost of manual harvesting is too high, so that the sweet potato stems and seedlings are difficult to popularize in a large area; the harvesting machine for the stem and leaf of the sweet potato with advanced technology and reliable performance is urgently needed, the potato grower can be helped to recycle the stem and leaf so as to meet the requirement of sustainable development of sweet potato production, and after the stem and leaf are mechanically harvested, favorable conditions are created for the next mechanical harvesting of the sweet potato; at present, no mature and reliable harvester for sweet potato stems and leaves exists in the domestic market, which is one of important factors for restricting the comprehensive utilization of the sweet potato stems and leaves.

In addition, the seedling vines of the sweet potatoes belong to long vine varieties and are mutually wound and spread, and after the seedling vines are contacted with soil, a plurality of fibrous roots are influenced by the environment or bred, so that the fibrous roots have no utilization value, and the growth of the tuberous roots of the sweet potatoes is influenced. Moreover, the existence of mutually-wound and spread seedling vines and fibrous roots is also one of the important factors influencing the mechanized harvesting of the sweet potato seedling vines.

The utility model has the following contents:

in conclusion, in order to overcome the deficiency of the prior art problem, the utility model provides a seedling device is chosen in vibration of sweet potato stem leaf harvester, it drives the break shovel swing through the rotation of eccentric wheel, thereby make the shovel head of break shovel lower extreme constantly do and insert soil loosening soil downwards, later pick up sweet potato seedling tendril upwards again, thereby make sweet potato seedling tendril and soil separation, thereby make fibrous root and soil separation, utilize the rotatory vertical cutting seedling tendril of rotary knife simultaneously, will twine each other, overcome the influence that fibrous root and winding seedling tendril and sweet potato stem leaf were reaped, make things convenient for the mechanical operation that the sweet potato stem leaf was reaped.

For solving the technical problem, the technical scheme of the utility model is realized like this:

the utility model provides a seedling device is chosen in vibration of sweet potato stem leaf harvester, wherein: including vibrating beam, the fixed plate that loosens the soil, choose seedling hydraulic motor, vibration pivot, eccentric wheel, connecting rod, left break shovel, right break shovel, rotary cutter axle and rotary cutter motor, vibrating beam's both ends and sweet potato stem leaf harvester's lower frame fixed connection, sweet potato stem leaf harvester's lower frame one end be connected with vibrating beam, sweet potato stem leaf harvester's the other end of lower frame is articulated with sweet potato stem leaf harvester's base, sweet potato stem leaf harvester's base setting at the front end of traction tractor, vibrating beam's the left and right sides all be provided with the fixed plate that loosens the soil, the upper portion of fixed plate that loosens the soil be provided with chooses seedling hydraulic motor, the output shaft and the vibration pivot of choosing seedling hydraulic motor be connected, the vibration pivot arrange along vibrating beam's length direction, vibrating beam passes through bearing and bearing frame and is connected with the vibration pivot, the vibration pivot on be provided with two eccentric wheels, two eccentric wheels arrange the both sides in the vibration pivot, two eccentric wheels connect left break shovel and right break shovel through the connecting rod respectively, left break shovel's lower part articulated with the left break fixing plate of vibration crossbeam, right break shovel's lower part is articulated with the break fixing plate on vibration crossbeam right side, and left break shovel and right break shovel symmetrical arrangement, the break fixing plate of vibration crossbeam both sides on all be provided with rotary cutter motor, rotary cutter motor's output shaft and rotary cutter hub connection, rotary cutter shaft on be provided with rotary cutter, rotary cutter motor for rotary cutter rotation provide power.

Further, left break shovel and right break shovel all include shovel wing, shovel handle and shovel head, the upper portion of shovel handle articulated with the connecting rod, the lower part of shovel handle be provided with the articulated thru hole of usefulness of break fixing plate, the lower extreme of shovel handle set up the shovel head, one side of shovel head set up the shovel wing, the front end and the shovel head front end of shovel wing be connected, the rear end of shovel wing is freely unsettled, the shovel wing slope arrange, the rear end of shovel wing to the side back top slope keep away from the shovel handle, the shovel wing setting of left break shovel on the right side of the shovel head of left break shovel, the shovel wing setting of right break shovel is in the left side of the shovel head of right break shovel, the shovel wing of left break shovel and the shovel wing "eight" style of calligraphy structure of right break shovel.

Furthermore, the included angle between the shovel wing and the horizontal direction is 30-40 degrees.

Furthermore, the rotary cutter is a circular blade or a linear rotary cutter.

The utility model has the advantages that:

1. the utility model discloses a rotation through the eccentric wheel drives the break shovel swing to make the continuous shovel head of break shovel lower extreme do and insert soil loosening soil downwards, later pick up sweet potato seedling tendril again to the top, thereby make sweet potato seedling tendril and soil separation, thereby make fibrous root and soil separation, utilize the rotatory longitudinal cutting seedling tendril of rotary cutter simultaneously, will cut off each other winding seedling tendril, overcome the influence that fibrous root and winding seedling tendril and sweet potato stem leaf reaped, make things convenient for the mechanical operation that the sweet potato stem leaf reaped.

2. The utility model discloses a seedling device is chosen in vibration drives the vibration pivot through choosing seedling hydraulic motor and rotates, under the effect of eccentric wheel and connecting rod, make left and right break shovel swing around its articulated shaft with the fixed plate that loosens the soil, thereby make left and right break shovel's shovel head do constantly and insert soil loosening soil downwards, later pick up sweet potato seedling tendril upwards again, thereby make sweet potato seedling tendril separate with soil, because the rear end of left and right break shovel's shovel wing inclines to the side back top and keeps away from the shovel handle, then, sweet potato seedling tendril that picks up gathers in the circular arc position of shovel head, later rotary knife motor drives the rotatory sword of a style of calligraphy rotation cutting tendril, make the cutting separation of intertwined seedling tendril, left break shovel and right break shovel symmetrical arrangement, make left and right shovel's shovel wing arrange in the both sides of ridge as sweet potato, left break shovel's shovel wing and right break shovel's shovel wing "eight" style of calligraphy structure, the shape of the section of the ridge is similar to that of the section of the ridge, and the cut and separated seedling vines are gathered to the ridge from furrows on two sides of the ridge under the action of the shovel wings.

3. The utility model has the advantages of being simple in structure and convenient in use, easy operation, strong adaptability, job stabilization nature are high, low cost, excellent in use effect, sweet potato seedling tendril is picked up to left and right break shovel's shovel head, and the slope of shovel wing is arranged and is made sweet potato seedling tendril continuous by raising to gather together to sweet potato ridge, rotatory rotary knife vertically cuts off the seedling tendril, for follow-up sweet potato seedling tendril's mechanical recovery provides the condition, makes things convenient for the mechanical operation that the sweet potato stem leaf was reaped.

Description of the drawings:

FIG. 1 is a schematic structural view of a sweet potato stem leaf harvester;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of the vibration seedling picking device;

FIG. 4 is a schematic top view of the structure of FIG. 3;

FIG. 5 is a schematic diagram of the right side view of FIG. 3;

FIG. 6 is a schematic view of the structure of the seedling-plucking device;

FIG. 7 is a schematic top view of the structure of FIG. 6;

FIG. 8 is a left side view of the structure of FIG. 6;

FIG. 9 is a schematic structural view of the cutting and conveying device;

FIG. 10 is a schematic top view of the structure of FIG. 9;

FIG. 11 is a left side view of the structure of FIG. 9;

fig. 12 is a schematic structural view of the left ripper blade;

FIG. 13 is a schematic top view of the structure of FIG. 12;

FIG. 14 is a left side view of the structure of FIG. 12;

fig. 15 is a schematic structural view of a right ripper blade;

FIG. 16 is a schematic top view of the structure of FIG. 15;

FIG. 17 is a left side view of the structure of FIG. 15;

FIG. 18 is a schematic structural view of a fixed frame, a movable support and a furrow depth limiting wheel of the seedling poking device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a sweet potato stem leaf harvester comprises a traction tractor 1, a base 2, a vibration seedling picking device 3, a seedling poking device 4 and a cutting and conveying device 5, wherein the base 2 is arranged at the front end of the traction tractor 1, a belt pulley 6 is arranged on the base 2, the belt pulley 6 is connected with a flywheel of the traction tractor 1 through a belt, an oil tank 7 and an oil pump 8 are arranged on the base 2, a pump shaft of the oil pump 8 is connected with a wheel shaft of the belt pulley 6, an oil inlet of the oil pump 8 is communicated with the oil tank 7, an oil outlet of the oil pump 8 is respectively connected with a main hydraulic cylinder 9, the vibration seedling picking device 3, the seedling poking device 4 and the cutting and conveying device 5 through an electromagnetic valve and an oil supply pipeline, the oil pump 8 provides power for the main hydraulic cylinder 9, the vibration seedling picking device 3, the seedling poking device 4 and the cutting and conveying device 5, an upper connecting plate 10 is hinged to the, the upper connecting plate 10 is connected with a cutting and conveying frame 501 of a cutting and conveying device 5, two sides of the front end of the base 2 are hinged with a lower frame 11, two seedling poking devices 4 are arranged on the lower frame 11, the two seedling poking devices 4 are identical in structure and are symmetrically arranged on two sides below the lower frame 11, a vibrating seedling picking device 3 is arranged on the lower frame 11 at the front end of each seedling poking device 4, a herringbone frame 12 is arranged on the base 2, the upper portion of the herringbone frame 12 is connected with the cutting and conveying frame 501 of the cutting and conveying device 5 through a main hydraulic cylinder 9, the main hydraulic cylinder 9 pushes the cutting and conveying device 5 to deflect up and down around a hinged point of the upper connecting plate 10 and the base 2, the vibrating seedling picking device 3 can pick up vines of sweet potato so as to separate the vines from soil and cut the vines longitudinally, the two seedling poking devices 4 pull the vines together from two sides to the middle portion, the cutting and conveying device 5 conveys the sweet potato seedling vines gathered by the seedling poking device 4 and transversely cuts the sweet potato seedling vines to separate the seedling vines from the root tubers.

As shown in fig. 3, 4, 5, 12-17, the vibrating seedling picking device 3 includes a soil loosening fixing plate 301, a seedling picking hydraulic motor 302, a vibrating rotating shaft 303, eccentric wheels 304, a connecting rod 305, a left soil loosening shovel 306, a right soil loosening shovel 307, rotary knives 308, a rotary knife shaft 309 and a rotary knife motor 310, a vibrating beam 13 is fixedly disposed at the front end of the lower frame 11, the soil loosening fixing plate 301 is disposed at both left and right sides of the vibrating beam 13, the seedling picking hydraulic motor 302 is disposed at the upper portion of the soil loosening fixing plate 301, an output shaft of the seedling picking hydraulic motor 302 is connected with the vibrating rotating shaft 303, the vibrating rotating shaft 303 is disposed along the length direction of the vibrating beam 13, the vibrating beam 13 is connected with the vibrating rotating shaft 303 through a bearing and a bearing seat 311, the vibrating rotating shaft 303 is provided with two eccentric wheels 304, the two eccentric wheels 304 are disposed at both sides of the vibrating rotating shaft 303, two eccentric wheels 304 connect left break shovel 306 and right break shovel 307 through connecting rod 305 respectively, the lower part of left break shovel 306 articulated with the left break fixing plate 301 of vibrating beam 13, the lower part of right break shovel 307 is articulated with the break fixing plate 301 on vibrating beam 13 right side, and left break shovel 306 and right break shovel 307 symmetrical arrangement, the break fixing plate 301 of vibrating beam 13 both sides on all be provided with rotary cutter motor 310, rotary cutter motor 310's output shaft and rotary cutter shaft 309 be connected, rotary cutter shaft 309 on be provided with rotary cutter 308, rotary cutter 308 be a style of calligraphy rotary cutter 308. The left ripper blade 306 and the right ripper blade 307 each include a blade 312, a handle 313 and a blade 314, the upper portion of the handle 313 is hinged to the link 305, the lower portion of the handle 313 is provided with a through hole for hinging with the ripping fixing plate 301, the lower end of the handle 313 is provided with the blade 314, one side of the blade 314 is provided with the blade 312, the front end of the blade 312 is connected with the front end of the blade 314, the rear end of the blade 312 is freely suspended, the blade 312 is obliquely arranged, the rear end of the blade 312 is obliquely inclined to the rear upper side away from the handle 313, the included angle between the blade 312 and the horizontal direction is 35 °, the blade 312 of the left ripper blade 306 is arranged on the right side of the blade 314 of the left ripper blade 306, the blade 312 of the right ripper blade 307 is arranged on the left side of the blade 314 of the right ripper blade 307, and the blade 312 of the left ripper blade 306 and the blade 312 of the right ripper blade 307 are in an eight-shaped structure.

As shown in fig. 6, 7, 8 and 18, the seedling poking device 4 comprises a fixed frame 401, a seedling poking support plate 402, a front fixed plate 403, a rear fixed plate 404, a driving sprocket 405, a driven sprocket 406, a seedling poking chain 407, a poking tooth 408, a driving shaft 409 and a driven shaft 410, wherein the fixed frame 401 is fixedly connected with the lower frame 11, the seedling poking support plate 402 is connected with the lower part of the fixed frame 401, the seedling poking support plate 402 is relatively and rotatably connected with the rear end of the front fixed plate 403 through the driving shaft 409, the rear end of the rear fixed plate 404 is connected with the driving shaft 409, a seedling poking hydraulic motor 417 is arranged on the rear fixed plate 404, the output shaft of the seedling poking hydraulic motor 417 is connected with the driving shaft 409, the front end of the front fixed plate 403 is connected with the front end of the rear fixed plate 404 through the driven shaft 410, the driving sprocket 405 is arranged on the driving shaft 409, the driven sprocket 406, the driving sprocket 405 is connected with the driven sprocket 406 through a seedling shifting chain 407, the seedling shifting chain 407 is provided with a plurality of shifting teeth 408, and the plurality of shifting teeth 408 are arranged along the length direction of the seedling shifting chain 407. A seedling poking adjusting hydraulic cylinder 411 is arranged on the front fixing plate 403, the upper end of the seedling poking adjusting hydraulic cylinder 411 is connected with the vibrating beam 13 of the lower frame 11, the lower end of the seedling poking adjusting hydraulic cylinder 411 is connected with the front fixing plate 403, and the seedling poking adjusting hydraulic cylinder 411 can drive the seedling poking device 4 to deflect and adjust relative to the fixing frame 401 by taking the driving shaft 409 as a rotating shaft. The square pipe of mount 401 for fixing the vertical setting on lower frame 11, its upper end is provided with seals board 412, its lower extreme wears to be equipped with movable support 413, movable support 413's lower extreme be provided with can relative movable support 413 pivoted furrow depth limiting wheel 414, movable support 413's upper end and lead screw 415's threaded connection, lead screw 415 upper end pass and seal board 412, the upper end of lead screw 415 is provided with adjustment handle 416, rotate adjustment handle 416 and can adjust the height of furrow depth limiting wheel 414, furrow depth limiting wheel 414 correspond with the furrow of ridge culture sweet potato.

As shown in fig. 9, 10 and 11, the cutting and conveying device 5 includes a cutting and conveying frame 501, the upper portion of the cutting and conveying frame 501 is connected with a master hydraulic cylinder 9, the middle portion of the cutting and conveying frame 501 is connected with an upper connecting plate 10, a transmission bottom plate 502 is arranged on the cutting and conveying frame 501, a transmission device is arranged on the transmission bottom plate 502, the transmission device includes a cutting and conveying hydraulic motor 503, a power sprocket 504, a driven sprocket one 505, a drive shaft one 506, a driven sprocket two 507 and a drive shaft two 508, the cutting and conveying hydraulic motor 503 is arranged on the transmission bottom plate 502, the power sprocket 504 is arranged on an output shaft of the cutting and conveying hydraulic motor 503, the power sprocket 504 is connected with the driven sprocket one 505 and the driven sprocket two 507 through a transmission chain, the turning direction of the driven sprocket one 505 is opposite to the turning direction of the driven sprocket two 507, the driven sprocket one 505 is arranged on the upper portion of the drive shaft one 506, a driven chain wheel II 507 is arranged at the upper part of a driving shaft II 508, the driving shaft I506 and the driving shaft II 508 are respectively connected with the transmission bottom plate 502 through bearings, the lower part of the driving shaft I506 is connected with a belt wheel base I509 through a bearing, the lower part of the driving shaft II 508 is connected with a belt wheel base II 510 through a bearing, a driving belt wheel I511 is arranged at the lower end of the driving shaft I506, a driving belt wheel II 512 is arranged at the lower end of the driving shaft II 508, a driven belt wheel I513 is arranged on the belt wheel base I509, a driven belt wheel II 514 is arranged on the belt wheel base II 510, the driving belt wheel I511 is connected with the driven belt wheel I513 through a conveying belt I515, the driving belt wheel II 512 is connected with the driven belt wheel II 514 through a conveying belt II 516, conveying teeth 517 are arranged on the conveying belt I515 and the conveying belt II 516, the conveying teeth, the lower end of the axle of the first driven pulley 513 is provided with a first disc cutter 518, and the lower end of the axle of the second driven pulley 514 is provided with a second disc cutter 519. The outer circumference of the first disc cutter 518 is provided with a cutter groove, the blade of the second disc cutter 519 is inserted into the cutter groove of the first disc cutter 518, and the cutter groove can be arranged on the outer circumference of the second disc cutter 519 in practical production. Cutting carriage 501 on be provided with lift bar 520, lift bar 520 be located the below of lower carriage 11, cutting carriage 501's lower part be provided with ridge top limit deep support 521, the lower extreme of ridge top limit deep support 521 be provided with relative ridge top limit deep wheel 522 of ridge top limit deep support 521 pivoted, ridge top limit deep wheel 522 correspond with the ridge top of ridge culture sweet potato.

When in use, the traction tractor 1 provides power for the movement of the utility model, and simultaneously, the oil pump 8 is driven to work through the belt pulley 6 and the belt, the oil pump 8 is enabled to transmit the hydraulic oil in the oil tank 7 to the main hydraulic cylinder 9 through the electromagnetic valve, the main hydraulic cylinder 9 pushes the cutting and conveying frame 501 of the cutting and conveying device 5 to rotate around the articulated shaft of the upper connecting plate 10 hinged with the base 2, the cutting and conveying device 5 is enabled to incline downwards until the ridge top depth limiting wheel 522 arranged on the cutting and conveying frame 501 contacts with the ridge top of the sweet potato ridge, in the process, the lifting rod 520 on the cutting and conveying frame 501 is separated from the lower frame 11, the lower frame 11 lacks support, and automatically falls to the lowest position under the action of gravity, the adjusting handle 416 is rotated, the movable support 413 is enabled to move downwards relative to the fixed frame 401 through the screw rod 415, thereby driving the furrow depth limiting wheel 414 to move downwards until the furrow depth limiting wheel 414 contacts with the ground of the sweet, then, the hydraulic oil in the oil tank 7 is conveyed to the seedling poking adjusting hydraulic cylinder 411 of the seedling poking device 4 by the oil pump 8 through an electromagnetic valve, the telescopic rod of the seedling poking adjusting hydraulic cylinder 411 stretches, the height of the seedling poking device 4 is adjusted, and the seedling poking device 4 is enabled to profile the height of the sweet potato ridge.

An electromagnetic valve is used for enabling an oil pump 8 to convey hydraulic oil in an oil tank 7 to a seedling picking hydraulic motor 302, the seedling picking hydraulic motor 302 drives a vibration rotating shaft 303 to rotate, so that two eccentric wheels 304 arranged on the vibration rotating shaft 303 rotate, the two eccentric wheels 304 drive a left soil loosening shovel 306 and a right soil loosening shovel 307 to swing around a hinged shaft of the left soil loosening fixing plate 301 and a hinged shaft of the right soil loosening fixing plate 301 in a reciprocating mode through a connecting rod 305, so that shovel heads 314 at the lower ends of the left soil loosening shovel 307 and the right soil loosening shovel 307 constantly move up and down, the shovel heads 314 extend downwards into a soil layer and then hook upwards, so that sweet potato seedling vines are picked up and separated from soil, as the rear ends of shovel wings 312 of the left soil loosening shovel 307 and the right shovel wings 312 incline upwards and laterally away from a shovel handle 313, the picked sweet potato seedling vines are gathered at an arc position of the shovel heads 314, a rotating motor is started, the rotating knife motor 310 drives a linear rotating knife 308, the cut and separated seedling vines are gathered to the ridge from furrows at two sides of the ridge under the action of the shovel wings 312.

The hydraulic oil in the oil tank 7 is conveyed to a seedling poking hydraulic motor 417 by an electromagnetic valve by an oil pump 8, the seedling poking hydraulic motor 417 drives a driving shaft 409 to rotate, so that a driving chain wheel 405 rotates, the driving chain wheel 405 drives a driven chain wheel 406 to rotate through a seedling poking chain 407, a poking tooth 408 moves along with the seedling poking chain 407 to poke seedlings, and the seedling poking is realized, and seedling vines picked up and cut by the vibration seedling picking device 3 are gathered to a ridge platform and move to the cutting and conveying device 5.

An oil pump 8 is used for conveying hydraulic oil in an oil tank 7 to a cutting and conveying hydraulic motor 503 through an electromagnetic valve, the cutting and conveying hydraulic motor 503 drives a power chain wheel 504 to rotate, the power chain wheel 504 drives a driven chain wheel I505 and a driven chain wheel II 507 through a transmission chain so as to enable a driving shaft I506 and a driving shaft II 508 to rotate, a driving belt wheel I511 at the lower end of the driving shaft I506 rotates, a driving belt wheel II 512 at the lower end of the driving shaft II 508 rotates, the driving belt wheel I511 drives a driven belt wheel I513 to rotate through a conveying belt I515, the driving belt wheel II 512 drives the driven belt wheel II 514 to rotate through a conveying belt II 516, the conveying belt I515 and the conveying belt II 516 are both provided with conveying teeth 517, the conveying teeth 517 on the conveying belt I515 are mutually meshed with the conveying teeth 517 on the conveying belt II 516, so that sweet potato seedlings dialed by a, then, the height of the seedling vines is increased while the first conveying belt 515 and the second conveying belt 516 convey the seedling vines, the first disc cutter 518 is arranged at the lower end of the wheel shaft of the first driven pulley 513, the second disc cutter 519 is arranged at the lower end of the wheel shaft of the second driven pulley 514, the first disc cutter 518 rotates due to rotation of the first driven pulley 513, the second disc cutter 519 rotates due to rotation of the second driven pulley 514, the seedling vines are lifted while the first conveying belt 515 and the second conveying belt 516 convey the seedling vines, so that connecting positions of the seedling vines and the tuberous roots are exposed, and then the seedling vines and the tuberous roots are cut off by the first rotating disc cutter and the second rotating disc cutter to enable the tuberous roots to be. The separated seedling vines are gathered in a gap between wheels of the tractor under the conveying of the first conveying belt 515 and the second conveying belt 516, and the subsequent recovery is facilitated.

After harvesting is completed, the direction can be changed by an electromagnetic valve, the cutting and conveying hydraulic motor 503 and the seedling picking hydraulic motor 417 are enabled to stop picking the seedling hydraulic motor 302, then the rotating motor is stopped, then the direction is changed by the electromagnetic valve, the main hydraulic cylinder 9 is retracted, the cutting and conveying device 5 is driven to swing upwards, the lifting rod 520 arranged on the cutting and conveying frame 501 of the cutting and conveying device 5 moves upwards along with the lifting rod, and after the lifting rod 520 is contacted with the lower part of the lower frame 11, the lower frame 11 is driven to lift upwards, so that the seedling picking device 4 and the vibrating seedling picking device 3 are lifted upwards, the shovel heads 314 of the left and right scarification shovels 307 are separated from soil, and cutting and harvesting of sweet potato seedling vines are completed.

It should be noted that the above-mentioned embodiments are illustrative and not restrictive of the technical solutions of the present invention, and equivalents of those skilled in the art or other modifications made according to the prior art are intended to be included within the scope of the claims of the present invention as long as they do not exceed the spirit and scope of the technical solutions of the present invention.

Claims (4)

1. The utility model provides a seedling device is chosen in vibration of sweet potato stem leaf harvester which characterized in that: comprises a vibrating beam (13), a soil loosening fixing plate (301), a seedling picking hydraulic motor (302), a vibrating rotating shaft (303), an eccentric wheel (304), a connecting rod (305), a left soil loosening shovel (306), a right soil loosening shovel (307), a rotary cutter (308), a rotary cutter shaft (309) and a rotary cutter motor (310), wherein two ends of the vibrating beam (13) are fixedly connected with a lower frame (11) of the sweet potato stem and leaf harvester, one end of the lower frame (11) of the sweet potato stem and leaf harvester is connected with the vibrating beam (13), the other end of the lower frame (11) of the sweet potato stem and leaf harvester is hinged with a base (2) of the sweet potato stem and leaf harvester, the base (2) of the sweet potato stem and leaf harvester is arranged at the front end of a traction tractor (1), the soil loosening fixing plates (301) are arranged on the left side and the right side of the vibrating beam (13), and the seedling picking hydraulic motor (302) is arranged on the upper portion of the soil, choose the output shaft of seedling hydraulic motor (302) to be connected with vibration pivot (303), vibration pivot (303) arrange along the length direction of vibration crossbeam (13), vibration crossbeam (13) are connected with vibration pivot (303) through bearing and bearing frame (311), vibration pivot (303) on be provided with two eccentric wheels (304), two eccentric wheels (304) arrange the both sides at vibration pivot (303), two eccentric wheels (304) connect left break shovel (306) and right break shovel (307) through connecting rod (305) respectively, the lower part of left break shovel (306) articulated with vibration crossbeam (13) left break fixing plate (301), the lower part of right break shovel (307) is articulated with break fixing plate (301) on vibration crossbeam (13) right side, and left break shovel (306) and right break shovel (307) symmetrical arrangement, break fixing plate (301) of vibration crossbeam (13) both sides on all be provided with rotary cutter motor (310) The output shaft of the rotary knife motor (310) is connected with a rotary knife shaft (309), a rotary knife (308) is arranged on the rotary knife shaft (309), and the rotary knife motor (310) provides power for the rotation of the rotary knife (308).

2. The vibrating seedling picking device of the sweet potato stem leaf harvester as claimed in claim 1, characterized in that: the left ripper blade (306) and the right ripper blade (307) respectively comprise a blade (312), a handle (313) and a blade head (314), the upper part of the handle (313) is hinged with the connecting rod (305), the lower part of the handle (313) is provided with a through hole for hinging with the ripping fixing plate (301), the lower end of the handle (313) is provided with the blade head (314), one side of the blade head (314) is provided with the blade (312), the front end of the blade (312) is connected with the front end of the blade head (314), the rear end of the blade (312) is freely suspended, the blades (312) are obliquely arranged, the rear end of the blade (312) is obliquely far away from the handle (313) towards the rear upper side, the blade (312) of the left ripper blade (306) is arranged on the right side of the blade head (314) of the left ripper blade (306), and the blade (312) of the right ripper blade (307) is arranged on the left side of the left blade head (314) of the right ripper blade (307), the shovel wing (312) of the left ripper shovel (306) and the shovel wing (312) of the right ripper shovel (307) are in a splayed structure.

3. The vibrating seedling picking device of the sweet potato stem leaf harvester as claimed in claim 2, characterized in that: the included angle between the shovel wing (312) and the horizontal direction is 30-40 degrees.

4. The vibrating seedling picking device of the sweet potato stem leaf harvester as claimed in claim 1, characterized in that: the rotary cutter (308) is a circular blade or a linear rotary cutter.

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