CN210537461U - Sweet potato stem leaf harvester - Google Patents

Abstract

The utility model relates to a sweet potato stem leaf harvester, which comprises a tractor, a base is arranged at the front end of the tractor, a belt pulley is arranged on the base, the belt pulley is connected with a flywheel of the tractor through a belt, an oil tank and an oil pump are arranged on the base, a pump shaft of the oil pump is connected with a wheel shaft of the belt pulley, the middle part of the front end of the base is articulated with an upper cutting and conveying device, two sides of the front end of the base are articulated with a lower frame, two seedling poking devices are arranged on the lower frame, a vibration seedling picking device is arranged on the lower frame at the front end of the seedling poking device, the utility model takes the tractor as traction power, firstly, the vibration seedling picking device is used for picking up sweet potato seedling vines on furrows and ridge platforms, so that the vines are effectively separated from soil and cut off, then the vines are gathered from two sides to the middle by the seedling poking devices, finally, the cutting and conveying devices are, convenient for farmers to recycle and store.

Description

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 sweet potato stem leaf harvester that operation usefulness is reaped to ridge culture sweet potato stem leaf in plain area.

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.

The utility model has the following contents:

in summary, in order to overcome the deficiencies of the prior art, the utility model provides a sweet potato stem leaf harvester, it uses the tractor as traction power, utilizes the vibration to choose seedling device earlier and picks up sweet potato fibrous root, the seedling tendril on furrow, the ridge platform, makes seedling tendril and soil effectively separate and cut off, then utilizes to dial seedling device will gather together with the seedling tendril after soil separation to the centre by both sides, utilizes at last cutting conveyor to reap sweet potato seedling tendril centre gripping and carry to the air-drying dehydration on the open space between the tractor wheel, makes things convenient for peasant household to retrieve and stores.

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

a sweet potato stem leaf harvester, wherein: the seedling picking device comprises a traction tractor, a base, a vibration seedling picking device, a seedling shifting device and a cutting and conveying device, wherein the base is arranged at the front end of the traction tractor, a belt pulley is arranged on the base and is connected with a flywheel of the traction tractor through a belt, an oil tank and an oil pump are arranged on the base, a pump shaft of the oil pump is connected with a wheel shaft of the belt pulley, an oil inlet of the oil pump is communicated with the oil tank, an oil outlet of the oil pump is respectively connected with a main hydraulic cylinder, the vibration seedling picking device, the seedling shifting device and the cutting and conveying device through a solenoid valve and an oil supply pipeline, the oil pump provides power for the main hydraulic cylinder, the vibration seedling picking device, the seedling shifting device and the cutting and conveying device, an upper connecting plate is hinged to the middle part of the front end of the base and is connected with a cutting and conveying frame of the cutting and conveying device, and lower, the lower rack is provided with two seedling poking devices, the two seedling poking devices are identical in structure and are symmetrically arranged on two sides below the lower rack, a vibration seedling picking device is arranged on the lower rack at the front end of each seedling poking device, a herringbone frame is arranged on the base, the upper portion of the herringbone frame is connected with a cutting conveying frame of the cutting conveying device through a main hydraulic cylinder, the main hydraulic cylinder pushes the cutting conveying device to deflect up and down around a hinged point of an upper connecting plate and the base, the vibration seedling picking device can pick up sweet potato seedling vines to separate the seedling vines from soil and longitudinally cut the seedling vines, the two seedling poking devices poke the sweet potato seedling vines from two sides to the middle portion to gather, and the cutting conveying device conveys and transversely cuts the sweet potato seedling vines gathered by the seedling poking devices to separate the seedling vines from root blocks.

Further, the seedling device is chosen in vibration include break soil fixed plate, choose seedling hydraulic motor, vibration pivot, eccentric wheel, connecting rod, left break soil spade, right break soil spade, rotary cutter shaft and rotary cutter motor, the front end of lower frame fixed be provided with the vibration crossbeam, the left and right sides of vibration crossbeam all be provided with break soil fixed plate, the upper portion of break soil fixed plate be provided with choose seedling hydraulic motor, choose seedling hydraulic motor's output shaft and vibration pivot be connected, the vibration pivot arrange along the length direction of vibration crossbeam, the vibration crossbeam passes through the bearing and the bearing frame is connected with the vibration pivot, the vibration pivot on be provided with two eccentric wheels, two eccentric wheels arrange in the both sides of vibration pivot, two eccentric wheels pass through the connecting rod respectively and connect left break soil spade and right break soil spade, the left break soil spade lower part and the left break soil spade fixed plate of vibration crossbeam articulate, the lower part of right break shovel is articulated with the break soil fixed plate on vibrating beam right side, and left break shovel and right break shovel symmetrical arrangement, the break soil fixed plate of vibrating beam both sides on all be provided with the rotary cutter motor, the output shaft and the rotary cutter hub connection of rotary cutter motor, the rotary cutter shaft on be provided with rotary cutter.

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.

Further, the seedling poking device comprises a fixing frame, a seedling poking supporting plate, a front fixing plate, a rear fixing plate, a driving chain wheel, a driven chain wheel, a seedling poking chain, poking teeth, a driving shaft and a driven shaft, wherein the fixing frame is fixedly connected with the lower frame, the seedling poking supporting plate is connected with the lower part of the fixing frame, the seedling poking supporting plate is in relative rotation connection with the rear end of the front fixing plate through the driving shaft, the rear end of the rear fixing plate is connected with the driving shaft, a seedling poking hydraulic motor is arranged on the rear fixing plate, an output shaft of the seedling poking hydraulic motor is connected with the driving shaft, the front end of the front fixing plate is connected with the front end of the rear fixing plate through the driven shaft, the driving chain wheel is arranged on the driving shaft, the driven chain wheel is arranged on the driven shaft, the driving chain wheel is connected with the driven chain wheel through the, the plurality of seedling poking teeth are arranged along the length direction of the seedling poking chain.

Furthermore, a seedling shifting adjusting hydraulic cylinder is arranged on the front fixing plate, the upper end of the seedling shifting adjusting hydraulic cylinder is connected with the vibrating beam of the lower rack, the lower end of the seedling shifting adjusting hydraulic cylinder is connected with the front fixing plate, and the seedling shifting adjusting hydraulic cylinder can drive the seedling shifting device to deflect and adjust relative to the fixing frame by taking the driving shaft as a rotating shaft.

Further, the mount for fixing the square pipe of the vertical setting in the lower frame, its upper end is provided with seals the board, its lower extreme wears to be equipped with the movable support, the lower extreme of movable support be provided with can relative movable support pivoted furrow depth wheel, the upper end of movable support and the threaded connection of lead screw, the lead screw upper end pass and seal the board, the upper end of lead screw is provided with adjustment handle, rotate adjustment handle and can adjust the height of furrow depth wheel, furrow depth wheel correspond with the furrow of ridge culture sweet potato. .

The cutting and conveying device comprises a cutting conveying frame, the upper portion of the cutting conveying frame is connected with a main hydraulic cylinder, the middle portion of the cutting conveying frame is connected with an upper connecting plate, the main hydraulic cylinder drives the cutting conveying frame and the upper connecting plate to swing, a transmission bottom plate is arranged on the cutting conveying frame, a transmission device is arranged on the transmission bottom plate, a belt wheel base is arranged at the lower end of the cutting conveying frame, two belt conveying mechanisms with opposite rotation directions are arranged on the belt wheel base, the transmission device provides power and transmission for the rotation of the two belt conveying mechanisms, the two belt conveying mechanisms with opposite rotation directions clamp and convey sweet potato seedling vines, two disc knives are arranged on wheel shafts of driven belt wheels of the two belt conveying mechanisms respectively, and the sweet potato seedling vines are cut off by the two disc knives.

Furthermore, the transmission device comprises a cutting and conveying hydraulic motor, a power chain wheel, a first driven chain wheel, a first driving shaft, a second driven chain wheel and a second driving shaft, the cutting and conveying hydraulic motor is arranged on a transmission bottom plate, the power chain wheel is arranged on an output shaft of the cutting and conveying hydraulic motor, the power chain wheel is connected with the first driven chain wheel and the second driven chain wheel through a transmission chain, the first driven chain wheel turns oppositely to the second driven chain wheel, the first driven chain wheel is arranged on the upper portion of the first driving shaft, the second driven chain wheel is arranged on the upper portion of the second driving shaft, the first driving shaft and the second driving shaft are respectively connected with the transmission bottom plate through bearings, and the lower portion of the first driving shaft and the lower portion of the second driving shaft are respectively connected with the belt wheel base through bearings.

Furthermore, the two belt conveying mechanisms have the same structure and are opposite in steering direction, each belt conveying mechanism comprises a driving belt wheel, a driven belt wheel, a conveying belt and conveying teeth, the driving belt wheels of the two belt conveying mechanisms are respectively arranged at the lower ends of the first driving shaft and the second driving shaft, the driving belt wheels are connected with the driven belt wheels through the conveying belts, wheel shafts of the driven belt wheels are arranged on the belt wheel base, the conveying belts are provided with the conveying teeth, and the conveying teeth of the two belt conveying mechanisms opposite in steering direction are meshed with each other.

Further, the cutting carriage on be provided with the lift bar, the lift bar be located the below of sweet potato stem leaf harvester's lower carriage, the lower part of cutting carriage be provided with ridge top limit dark support, the lower extreme of ridge top limit dark support be provided with relative ridge top limit dark support pivoted ridge top limit dark wheel, ridge top limit dark wheel correspond with the ridge top of ridge culture sweet potato.

The utility model has the advantages that:

1. the utility model discloses use the tractor as traction power, utilize the vibration to choose seedling device earlier and pick up sweet potato fibrous root, the seedling tendril on furrow, the ridge platform, make seedling tendril and soil effectively separate and cut off, then utilize to dial the seedling device with the seedling tendril after the soil separation gather together to the centre by both sides, utilize at last cutting conveyor to reap sweet potato seedling tendril and carry to the air-ground between the tractor wheel on the sunning dehydration, make things convenient for the peasant household to retrieve and store.

2. The utility model discloses a vibration is chosen seedling device and is passed through choosing seedling hydraulic motor and is driven the vibration pivot and rotate, 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, the sweet potato seedling tendril that picks up gathers in the circular arc position of shovel head, later rotary knife motor drives a style of calligraphy rotary knife rotatory cutting tendril, make the cutting separation of intertwine seedling tendril, left break shovel and right break shovel symmetrical arrangement, make left and right shovel's shovel wing arrangement in the both sides of ridge work sweet potato, and similar with ridge platform cross-sectional shape, then cut the tendril after the separation under the effect of shovel wing, the furrows on the two sides of the ridge gather to the ridge.

3. The utility model discloses a dialling seedling device drives through dialling seedling hydraulic motor and dials the seedling chain and rotate to the messenger dials the tooth and removes, dials the tooth and dials the seedling climing and stir backward, and two symmetrical arrangement dial the seedling device dial the tooth that continuous will vibrate and choose the seedling device and gather together at the seedling climing of ridge platform backward, make the seedling climing stir to cutting conveyor, for follow-up transport and cutting provide the condition, the utility model discloses a set up of dialling seedling regulation pneumatic cylinder can promote to drive and dial the seedling device and use the driving shaft to deflect as pivot relative mount and adjust, thereby adjust the height of dialling the front end of seedling device, make and dial seedling device and the high profile modeling of sweet potato ridge platform to adapt to different ridge platform shapes.

4. The utility model discloses a be provided with movable support in dialling seedling device's the mount, the movable support upper end sets up the lead screw, and the lead screw upper end sets up adjustment handle, and through rotating adjustment handle, make the lead screw rotate, the lead screw then can adjust the relative height of movable support and mount with movable support swing joint to adjust the height of furrow depth limiter, make furrow ground contact on furrow depth limiter and sweet potato ridge.

5. The utility model discloses a cutting conveyor promotes the cutting conveyor to rotate around the articulated shaft of upper junction plate and base through main pneumatic cylinder, thereby adjust the angle of cutting conveyor, the utility model discloses when normal operating, main pneumatic cylinder promotes the cutting conveyor and arranges that make ridge top gauge wheel contact with the ridge top of sweet potato ridge, make the front end of the first conveyer belt of cutting conveyor and the second conveyer belt of conveyer belt correspond with the group seedling chain of dialling the seedling device, group seedling device gathers together the sweet potato seedling climing and dials to between the first conveyer belt and the second conveyer belt, the first conveyer belt meshes with the transport tooth of second conveyer belt each other, then first conveyer belt and second conveyer belt centre gripping and carry sweet potato seedling climing, because cutting conveyor arranges that inclines, then, when the first conveyer belt and the second conveyer belt carried the seedling climing, make the seedling height rise, later, cut off the separation with the sweet potato root tuber through disc cutter one and disc cutter two seedling climing, the separated seedling vines are conveyed by the first conveying belt and the second conveying belt to be gathered in a gap between wheels of the tractor, so that the seedling vines can be conveniently recovered subsequently.

6. The utility model discloses a front end middle part of base articulates there is the upper junction plate, can set up a plurality of hinge holes at base front end middle part, set up a plurality of hinge holes on the upper junction plate, the upper junction plate is articulated through the articulated shaft that passes the hinge hole with the base, it corresponds the position with the hinge hole to adjust the articulated shaft, the range of regulation of adjustable cutting conveyor's transport cutting off frame, the same reason, also can set up a plurality of hinge holes in the lower frame, base front end both sides set up a plurality of hinge holes, adjust the hinge hole that corresponds, the mounting height of adjustable lower frame, the same reason, dial the seedling backup pad that dials the seedling device and set up a plurality of holes that are used for wearing the dress driving shaft, the main shaft corresponds different hole, the mounted position of adjustable seedling device.

7. The utility model discloses simple structure, convenient to use, easy operation, strong adaptability, job stability are high, low cost, excellent in use effect, can effectually realize the stem leaf of ridge culture sweet potato, the recycle of seedling tendril.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the structure of fig. 1 according to the present invention;

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 V-shaped cutter groove, the cutting edge of the second disc cutter 519 extends into the V-shaped cutter groove of the first disc cutter 518, and in actual production, the V-shaped cutter groove can also be arranged on the outer circumference of the second disc cutter 519. 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 (7)

1. A sweet potato stem leaf harvester is characterized in that: including tractor (1), base (2), vibration choose seedling device (3), set up seedling device (4) and cutting conveyor (5), base (2) set up the front end at tractor (1), base (2) on be provided with belt pulley (6), belt pulley (6) be connected with the flywheel of tractor (1) through the belt, base (2) on be provided with oil tank (7) and oil pump (8), the pump shaft of oil pump (8) be connected with the shaft of belt pulley (6), the oil inlet intercommunication oil tank (7) of oil pump (8), the oil-out of oil pump (8) is respectively through solenoid valve and oil supply pipe connection master hydraulic cylinder (9), vibration choose seedling device (3), set up seedling device (4) and cutting conveyor (5), oil pump (8) for master hydraulic cylinder (9), The seedling picking device (3) is vibrated, the seedling poking device (4) and the cutting and conveying device (5) provide power, an upper connecting plate (10) is hinged to the middle of the front end of the base (2), the upper connecting plate (10) is connected with a cutting and conveying frame (501) of the cutting and conveying device (5), lower racks (11) are hinged to two sides of the front end of the base (2), two seedling poking devices (4) are arranged on the lower racks (11), the two seedling poking devices (4) are identical in structure and are symmetrically arranged on two sides below the lower racks (11), the vibrating seedling picking device (3) is arranged on the lower rack (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 vibration seedling raising device (3) can raise sweet potato seedling vines to separate the seedling vines from soil and longitudinally cut the seedling vines, the two seedling poking devices (4) poke and gather the sweet potato seedling vines from two sides to the middle, and the cutting and conveying device (5) conveys and transversely cuts the sweet potato seedling vines gathered by the seedling poking devices (4) to separate the seedling vines from root blocks.

2. The sweet potato stem leaf harvester of claim 1, wherein: the seedling picking device with vibration (3) comprises a soil loosening fixing plate (301), a seedling picking hydraulic motor (302), a vibration rotating shaft (303), eccentric wheels (304), a connecting rod (305), a left soil loosening shovel (306), a right soil loosening shovel (307), a rotary knife (308), a rotary knife shaft (309) and a rotary knife motor (310), wherein a vibration cross beam (13) is fixedly arranged at the front end of the lower frame (11), the soil loosening fixing plate (301) is arranged on the left side and the right side of the vibration cross beam (13), the seedling picking hydraulic motor (302) is arranged on the upper portion of the soil loosening fixing plate (301), an output shaft of the seedling picking hydraulic motor (302) is connected with the vibration rotating shaft (303), the vibration rotating shaft (303) is arranged along the length direction of the vibration cross beam (13), the vibration cross beam (13) is connected with the vibration rotating shaft (303) through a bearing and a bearing seat (311), the vibration rotating shaft (303) is provided with the 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 the left break fixing plate (301) of vibrating beam (13), the lower part of right break shovel (307) is articulated with break fixing plate (301) on vibrating beam (13) right side, break fixing plate (301) of vibrating beam (13) both sides on all be provided with rotary knife motor (310), the output shaft and the rotary knife axle (309) of rotary knife motor (310) be connected, rotary knife axle (309) on be provided with rotary knife (308).

3. The sweet potato stem leaf harvester of claim 1, wherein: 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 chain wheel (405), a driven chain wheel (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 in relative rotating connection 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 seedling transplanter is characterized in that a driving chain wheel (405) is arranged on the driving shaft (409), a driven chain wheel (406) is arranged on the driven shaft (410), the driving chain wheel (405) is connected with the driven chain wheel (406) through a seedling shifting chain (407), a plurality of seedling shifting teeth (408) are arranged on the seedling shifting chain (407), and the plurality of seedling shifting teeth (408) are arranged along the length direction of the seedling shifting chain (407).

4. The sweet potato stem leaf harvester of claim 3, wherein: the seedling poking device is characterized in that 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 a vibration cross beam (13) of the lower rack (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.

5. The sweet potato stem leaf harvester of claim 3, wherein: mount (401) for fixing the square pipe of 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), the lower extreme of movable support (413) be provided with movable support (413) pivoted furrow depth wheel (414) relatively, the upper end of movable support (413) and the threaded connection of lead screw (415), 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 wheel (414), furrow depth wheel (414) correspond with the furrow of ridge culture sweet potato.

6. The sweet potato stem leaf harvester of claim 1, wherein: the cutting and conveying device comprises a cutting and conveying frame (501), the upper part of the cutting and conveying frame (501) is connected with a main hydraulic cylinder (9), the middle part of the cutting and conveying frame (501) is connected with an upper connecting plate (10), the main hydraulic cylinder (9) drives the cutting and conveying frame (501) and the upper connecting plate (10) to swing, 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), a belt wheel base is arranged at the lower end of the cutting and conveying frame (501), two belt conveying mechanisms with opposite rotation directions are arranged on the belt wheel base, the transmission device provides power and transmission for the rotation of the two belt conveying mechanisms, the two belt conveying mechanisms with opposite rotation directions clamp and convey sweet potato vines, and two disc cutters are respectively arranged on wheel shafts of driven belt wheels of the two belt conveying mechanisms, the two disc knives cut off the sweet potato vine.

7. The sweet potato stem leaf harvester of claim 6, wherein: cutting carriage (501) on be provided with lift bar (520), lift bar (520) be located the below of lower frame (11), the lower part of cutting carriage (501) 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 support (521) pivoted ridge top limit deep wheel (521), ridge top limit deep wheel (522) and ridge make the ridge top of sweet potato correspond.

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