CN108834513B - Multifunctional rice transplanter - Google Patents

Multifunctional rice transplanter Download PDF

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Publication number
CN108834513B
CN108834513B CN201811101765.9A CN201811101765A CN108834513B CN 108834513 B CN108834513 B CN 108834513B CN 201811101765 A CN201811101765 A CN 201811101765A CN 108834513 B CN108834513 B CN 108834513B
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China
Prior art keywords
transplanting
eccentric wheel
rotary table
rods
seedlings
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CN201811101765.9A
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Chinese (zh)
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CN108834513A (en
Inventor
高清海
袁兴茂
韩美坤
陈思刚
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Hebei Agricultural Mechanization Research Institute Co ltd
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Hebei Agricultural Mechanization Research Institute Co ltd
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Publication of CN108834513A publication Critical patent/CN108834513A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/02Transplanting machines for seedlings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/006Other parts or details or planting machines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • A01G13/02Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256Ground coverings
    • A01G13/0287Devices for laying-out or removing ground coverings

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Transplanting Machines (AREA)

Abstract

The invention discloses a multifunctional rice transplanter, which belongs to the technical field of agricultural mechanical equipment, and comprises a ridging and film-covering device arranged on a frame and a rice transplanting device arranged behind the ridging and film-covering device, wherein the rice transplanting device comprises a rice transplanting mechanism and a rice transplanting mechanism connected with the output end of the rice transplanting mechanism, the rice transplanting mechanism is a belt transmission mechanism, the rice transplanting mechanism comprises a rotary table driven by a power mechanism, an eccentric wheel coaxially arranged with the rotary table and fixed on the frame, and a group of rice transplanting rods which are arranged on the rotary table in an annular array, the middle parts of the rice transplanting rods are in running fit with the rotary table, the inner ends of the rice transplanting rods extend towards the eccentric wheel, the outer ends of the rice transplanting rods extend towards the direction far away from the eccentric wheel, fork heads for clamping rice seedlings are arranged at the end parts of the rice transplanting rods, and a sliding mechanism is arranged between the inner ends of the rice transplanting rods and the eccentric wheel for sliding fit. The roots of the seedlings can be horizontally planted into the soil, the number of the produced sweet potato blocks is large and the size of the produced sweet potato blocks is uniform, and the transplanting efficiency and the yield of the sweet potatoes can be improved.

Description

Multifunctional rice transplanter
Technical Field
The invention belongs to the technical field of agricultural mechanical equipment, and relates to sweet potato planting equipment, in particular to a multifunctional rice transplanter.
Background
At present, the ridging, drip irrigation tape laying, film covering and transplanting of sweet potatoes are generally completed by a single machine, so that the production cost is high, and a plurality of agricultural machines enter farmlands in turn to repeatedly roll soil, so that the soil is easy to harden and the growth of the sweet potatoes is not facilitated. Some devices integrate ridging, laying and drip irrigation belts, film covering and transplanting, but horizontal transplanting cannot be realized during transplanting, so that the yield of sweet potatoes is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention designs the multifunctional rice transplanter, the rice transplanter can horizontally transplant the roots of the seedlings into soil, the number of sweet potato blocks obtained by the seedlings is large and the size is uniform, and the mechanical rice transplanting is performed, so that time and labor are saved, and the rice transplanting efficiency and the yield of sweet potatoes can be greatly improved.
The specific technical scheme adopted by the invention is as follows: the multifunctional rice transplanter comprises a ridging film-covering device arranged on a frame and a rice transplanting device arranged behind the ridging film-covering device, wherein the rice transplanting device comprises a seedling conveying mechanism and a rice transplanting mechanism connected with an output end of the seedling conveying mechanism, and is characterized in that: the seedling conveying mechanism is a belt transmission mechanism, the seedling transplanting mechanism comprises a rotary table driven by a power mechanism, an eccentric wheel coaxially arranged with the rotary table and fixed on the frame, and a group of seedling transplanting rods which are arranged on the rotary table in a ring-shaped array, wherein the middle parts of the seedling transplanting rods are in running fit with the rotary table, the inner ends of the seedling transplanting rods extend towards the direction of the eccentric wheel, the outer ends of the seedling transplanting rods extend towards the direction away from the eccentric wheel, the end parts of the seedling transplanting rods are provided with fork heads for clamping seedlings, and a sliding mechanism is arranged between the inner ends of the seedling transplanting rods and the eccentric wheel for sliding fit.
The rotary table is of a circular structure sleeved on the periphery of the eccentric wheel, the inner end of the transplanting rod is bent and extended in the direction opposite to the direction of the eccentric wheel along the rotating direction of the rotary table, the outer end of the transplanting rod is bent and extended in the direction away from the eccentric wheel along the rotating direction of the rotary table, a group of connecting rods which are distributed in an annular array are arranged on the end face of the rotary table, one end of each connecting rod is fixedly connected with the rotary table, the other end of each connecting rod is fixedly connected with the output shaft of the power mechanism, a sleeve which is in rotary fit with the connecting rods is sleeved on the output shaft, the eccentric wheel is fixedly connected with the sleeve, a group of positioning rods which are distributed in an annular array are arranged on the end face of the eccentric wheel, one end of each positioning rod is fixedly connected with the eccentric wheel, the other end of each positioning rod is fixedly connected with the rack, and the connecting rods are located on one side of the rotary table.
The outer wall of the eccentric wheel is provided with a sliding groove, and the sliding mechanism comprises a sliding ring sleeved on the inner end of the transplanting rod and in sliding fit with the transplanting rod, a sliding block clamped with the sliding groove and in sliding fit with the sliding groove, and a sliding rod connected between the sliding block and the sliding ring.
The end part of the inner end of the transplanting rod is provided with an anti-drop edge protruding towards the periphery, and the slip ring is positioned between the anti-drop edge and the turntable.
The rotary table is located one side of the eccentric wheel, the track is arranged on the end face of the eccentric wheel, the transplanting rod comprises a driving shaft penetrating through the thickness direction of the rotary table and forming a sliding fit with the rotary table, one end of the transplanting rod is fixedly connected with the inner end of the driving shaft, the other end of the transplanting rod forms a sliding fit with the track on the eccentric wheel, the connecting rod is sleeved on the outer end of the driving shaft and is fixedly connected with the rotary table by means of a positioning shaft, the positioning shaft is vertically fixed on the rotary table, the fixing base forms a sliding fit with the driving shaft, the sliding mechanism is a sliding block hinged with the inner end of the connecting rod, the sliding block forms a sliding fit with the track on the eccentric wheel, two springs are sleeved on the driving shaft, the fixing base is located between the two springs, the fixing base and each spring are sleeved on the driving shaft and form a sliding fit connecting sleeve with the driving shaft, each clamping head comprises two L-shaped clamping pieces, each clamping piece comprises a connecting section, a contraction section and a clamping section, two clamping sections are sleeved on the connecting sleeve on the corresponding side, the two clamping sections are respectively sleeved in parallel, the distance between the two clamping sections is smaller than the two connecting sections, the distance between the two connecting sections is reduced from the connecting sections, the connecting sections by the connecting sections, the connecting sections face to the end face direction of the clamping sections, the clamping sections face towards the upper end faces of the connecting seat and the conical clamping grooves are arranged in a conical shape, the conical clamping grooves are in a transition state, and the conical clamping grooves are arranged between the conical clamping grooves and are in the conical clamping grooves, and are in a state of the conical state and in the state and between the conical clamping state.
The belt transmission mechanism comprises a conveying belt and a pressing belt arranged above the conveying belt, and a cavity between the conveying belt and the pressing belt is a seedling placing cavity.
The ridging tectorial membrane device include rotary tillage device, ridging forming device, lay drip irrigation zone device, lay plastic film device and earthing device in the frame, earthing device is including setting up in rotary tillage device rear dial native roller and guide plate, the setting of direction along controlling dials native roller and is located the top of guide plate front end, the up end of guide plate left and right sides all is provided with earthing passageway, the guide plate middle part is provided with drip irrigation zone via hole, lay plastic film device and fix in the guide plate below and lie in drip irrigation zone via hole rear, ridging forming device sets up in the guide plate below and lies in drip irrigation zone via hole the place ahead.
The guide plate comprises a horizontal plate and a sloping plate positioned at the rear of the horizontal plate, the rear end of the sloping plate is inclined downwards and extends to the rear of a mulching film laying device, a drip irrigation zone through hole with an upper end face protruding above the sloping plate is arranged in the middle of the sloping plate, two baffle plates are respectively arranged at the left side and the right side of the drip irrigation zone through hole, the front ends of the two baffle plates close to the drip irrigation zone through hole are tangential to the drip irrigation zone through hole, a splayed earthing channel is formed between the two baffle plates positioned at the same side of the drip irrigation zone through hole, and the width of the rear end of the earthing channel is smaller than that of the front end.
The rotary tillage device comprises a rotary tillage shaft and a group of rotary blades fixed on the rotary tillage shaft, wherein both ends of each rotary blade are bent to form wing plates, the wing plates of the left rotary blade are bent to the right side, the wing plates of the right rotary blade are bent to the left side, one wing plate of the middle rotary blade is bent to the right side, and the other wing plate is bent to the left side.
The machine frame on be fixed with fertilizer injection unit, fertilizer outlet of fertilizer injection unit is located rotary tillage axle top and is located rotary tillage axle's axis the place ahead.
The beneficial effects of the invention are as follows: the eccentric wheel is fixedly connected with the frame, the turntable is driven by the power mechanism to rotate, the transplanting rod is driven by the turntable to rotate together, the middle part of the transplanting rod is hinged with the turntable, the inner end of the transplanting rod is in sliding fit with the eccentric wheel, when the transplanting rod reaches the rear of the belt transmission mechanism, the fork head at the outer end of the transplanting rod clamps seedlings on the belt transmission mechanism, then the seedlings are driven to rotate backwards and downwards, after the seedlings are horizontally inserted into soil, the transplanting rod is separated from the seedlings and pulled out from the soil, the transplanting rod continues to move upwards and returns to an initial state, and the transplanting is ready for the next transplanting. The seedling transplanting device can horizontally transplant the root of the seedling into the soil, the number of sweet potato blocks obtained by the seedling is large and the size is uniform, the mechanical seedling transplanting is realized, the time and the labor are saved, and the seedling transplanting efficiency and the yield of the sweet potatoes can be greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a first embodiment of the transplanting device of the present invention.
Fig. 3 is a schematic structural view of the turntable in fig. 2.
Fig. 4 is a schematic diagram of a connection structure between the turntable and the power mechanism in fig. 2.
Fig. 5 is a schematic structural view of a second embodiment of the transplanting device of the present invention.
Fig. 6 is a schematic view of a connection structure of the transplanting rod and the turntable in fig. 5.
Fig. 7 is a schematic view of the fork in fig. 6 in a closed state.
Fig. 8 is a schematic view of the fork in fig. 6 in an open state.
Fig. 9 is a top view of a fixing base in a second embodiment of the present invention.
Fig. 10 is a top view of a connecting sleeve according to a second embodiment of the invention.
Fig. 11 is a schematic view illustrating a motion trajectory of a transplanting rod according to a second embodiment of the present invention.
Fig. 12 is a schematic structural view of the ridging and film-covering device in the present invention.
Fig. 13 is a top view of the baffle of fig. 12.
FIG. 14 is a right side view of the ridging device of the present invention.
Fig. 15 is a view in the direction A-A of fig. 14.
Figure 16 is a schematic view of the rotary tillage apparatus of the present invention.
In the drawing, 1 represents a conveying belt, 2 represents a rotary table, 3 represents an eccentric wheel, 4 represents a transplanting rod, 4-1 represents a driving shaft, 4-2 represents a connecting rod, 4-3 represents a fixed seat, 5 represents a fork head, 5-1 represents a connecting section, 5-2 represents a contracting section, 5-3 represents a clamping section, 6 represents a slip ring, 7 represents an anti-drop edge, 8 represents a connecting rod, 9 represents an output shaft, 10 represents a positioning rod, 11 represents a compacting belt, 12 represents a connecting sleeve, 13 represents a conical protrusion, 14 represents a spring, 15 represents a transitional inclined surface, 16 represents a clamping groove, 17 represents a positioning shaft, 18 represents a fertilizing device, 19 represents a drip irrigation belt through hole, 20 represents a ridging forming device, 20-1 represents a plate body, 20-2 represents a ridging block, 21 represents a mulching film laying device, 22 represents a soil poking roller, 23 represents a deflector, 23-1 represents a horizontal plate, 23-2 represents a sloping plate, 23-3 represents a baffle, 24 represents a paving belt device, 25 represents a rotary tillage device, 25-1 represents a rotary tillage shaft, 25-2 represents a rotary tillage cutter, 26 represents a ploughshare.
Detailed Description
The invention will now be described in detail with reference to the drawings and to specific embodiments.
The multifunctional rice transplanter comprises a ridging film-covering device arranged on a frame and a rice transplanting device arranged behind the ridging film-covering device, wherein the rice transplanting device comprises a rice transplanting mechanism and a rice transplanting mechanism connected with an output end of the rice transplanting mechanism, the rice transplanting mechanism is a belt transmission mechanism, the rice transplanting mechanism comprises a rotary table 2 driven by a power mechanism, an eccentric wheel 3 coaxially arranged with the rotary table 2 and fixed on the frame, and a group of rice transplanting rods 4 arranged on the rotary table 2 in an annular array, the middle part of each rice transplanting rod 4 forms a running fit with the rotary table 2, the inner end of each rice transplanting rod 4 extends towards the direction of the eccentric wheel 3, the outer end of each rice transplanting rod extends towards the direction away from the eccentric wheel 3, and a fork head 5 for clamping rice seedlings is arranged at the end of each rice transplanting rod, and a sliding mechanism is arranged between the inner end of each rice transplanting rod 4 and the eccentric wheel 3 for sliding fit.
The power mechanism is used for driving the turntable 2 to rotate, the turntable 2 drives the transplanting rods 4 to rotate together, when the transplanting rods 4 reach the rear of the belt transmission mechanism, the fork heads 5 at the outer ends of the transplanting rods 4 clamp seedlings on the belt transmission mechanism, then the seedlings are driven to rotate backwards and downwards, after the seedlings are horizontally inserted into soil, the transplanting rods 4 are separated from the seedlings and are pulled out of the soil, and the transplanting rods 4 continue to move upwards and restore to an initial state to prepare for next transplanting. The seedling transplanting machine can horizontally transplant the root of the seedling into the soil, the number of sweet potato blocks obtained by the seedling is large and the size is uniform, the seedling transplanting machine can mechanically transplant the seedling, time and labor are saved, and the seedling transplanting efficiency and the yield of the sweet potato can be greatly improved.
As a further improvement of the invention, the belt transmission mechanism comprises a conveying belt 1 and a pressing belt 11 positioned above the conveying belt 1, and a cavity between the conveying belt 1 and the pressing belt 11 is a seedling placing cavity. The seedlings are placed on the conveying belt 1, the pressing belt 11 is matched with the conveying belt 1, the seedlings can be prevented from being deviated due to shaking, and the fork heads 5 can be ensured to accurately clamp the seedlings. The length of the compressing belt 11 is smaller than that of the conveying belt 1, and the tail end of the compressing belt 11 and the tail end of the conveying belt 1 are positioned on the same vertical surface, so that the head end of the compressing belt 11 is positioned behind the head end of the conveying belt 1, and seedlings are more conveniently placed on the conveying belt 1.
As a further improvement of the invention, the ridging and film covering device comprises a rotary tillage device 25, a ridging and forming device 20, a drip tape laying device 24, a mulching film laying device 21 and a soil covering device which are fixed on a frame, wherein the drip tape laying device 24 comprises a drip tape frame and a drip tape reel, the drip tape frame is fixedly connected with the frame, and the drip tape reel is arranged on the drip tape frame and forms a rotary fit with the drip tape frame. The mulching film laying device 21 is a mulching film roll supporting shaft with an axis arranged along the left-right direction, and when in use, the mulching film roll is sleeved on the mulching film roll supporting shaft, and the mulching film roll supporting shaft form a running fit. The earthing device is including setting up in the earth roller 22 and the guide plate 23 of dialling in rotary tillage device 25 rear, and the earth roller 22 of dialling that sets up along left and right directions is located the top of guide plate 23 front end, and the up end of guide plate 23 left and right sides all is provided with earthing passageway, and guide plate 23 middle part is provided with drip irrigation zone via hole 19, lays mulching film device 21 and fixes in guide plate 23 below and lie in drip irrigation zone via hole 19 rear, and ridging forming device 20 sets up in guide plate 23 below and lies in drip irrigation zone via hole 19 the place ahead. In the advancing process of the frame, the rotary tillage device 25 is utilized to throw soil to the rear, the soil falls onto the guide plate 23, and falls onto the mulching film through the soil covering channel under the action of the soil poking roller 22 to cover the two sides of the mulching film. Compared with the existing structure of covering soil on the left side and the right side, the structure of the soil throwing device from front to back for mulching the plastic film is more compact in structure, small in size and more convenient to operate.
The deflector 23 comprises a horizontal plate 23-1 and an inclined plate 23-2 positioned at the rear of the horizontal plate, the rear end of the inclined plate 23-2 is inclined downwards and extends to the rear of the mulching film laying device 21, a drip irrigation zone through hole 19 with the upper end face protruding above the inclined plate 23-2 is arranged in the middle of the inclined plate 23-2, two baffles 23-3 are respectively arranged on the left side and the right side of the drip irrigation zone through hole 19, the front ends of the two baffles 23-3 close to the drip irrigation zone through hole 19 are tangential to the drip irrigation zone through hole 19, a splayed soil covering channel is formed between the two baffles 23-3 positioned on the same side of the drip irrigation zone through hole 19, and the width of the rear end of the soil covering channel is smaller than that of the front end. The left side and the right side of the mulching film are covered by the soil falling from the earthing channel, the fixing is firm and reliable, no soil exists above the drip irrigation belt, and the flow of water in the drip irrigation belt is facilitated. In order to prevent the drip irrigation tape from being worn out by directly contacting with the mulch film roll on the mulch film laying device 21, a guide roller is arranged in front of the mulch film laying device 21, the axis of the guide roller is flush with the axis of the mulch film laying device 21, namely the mulch film roll supporting shaft or is positioned below the axis of the mulch film laying device 21, and the drip irrigation tape is contacted with the guide roller and positioned in front of the guide roller. The rear end of the inclined plate 23-2 is bent downward to form a vertical shielding plate.
The ridging forming device 20 comprises a plate body 20-1 fixedly connected with the frame, and the left end and the right end of the plate body 20-1 are downwards bent to form ridging blocks 20-2. In the forward process of the frame, the ridging block 20-2 is driven to move forward by the plate body 20-1, the ridging block 20-2 pushes the soil in front of the ridging block forward, the ridging process is completed, and the ridging device is simple in structure and convenient to use. In order to better meet the use requirement, the ridging forming device 20 is detachably connected with the rack, the ridging forming devices 20 with different cross-sectional shapes can be replaced according to the requirements, and the ridging forming device is convenient to assemble and disassemble and convenient to maintain.
Ploughshares 26 are fixed in front of each ridging block 20-2, and the ploughshares 26 in front of the two ridging blocks 20-2 are symmetrically arranged left and right. The ploughshare 26 can assist the rotary tillage device 25 to turn the soil in the furrows onto the ridges, and the ridging effect is better. The horizontal distance between the two ridging blocks 20-2 is linearly reduced from front to back, which is beneficial to the forward pushing of the ridging blocks 20-2 and the ridging effect is better.
The rotary tillage device 25 comprises a rotary tillage shaft 25-1 and a group of rotary tillage blades 25-2 fixed on the rotary tillage shaft 25-1, a fertilizer outlet of the fertilizer applying device 18 is positioned in front of the axis of the rotary tillage shaft 25-1, two ends of the rotary tillage blades 25-2 are bent to form wing plates, the wing plates of the left rotary tillage blade 25-2 are bent to the right, the wing plates of the right rotary tillage blade 25-2 are bent to the left, one wing plate of the middle rotary tillage blade 25-2 is bent to the right, and the other wing plate is bent to the left. This rotary tillage device 25 gathers the soil toward the middle, facilitating ridging.
A fertilizer device 18 is fixed on the frame, and a fertilizer outlet of the fertilizer device 18 is positioned above the rotary tillage shaft 25-1 and in front of the axis of the rotary tillage shaft 25-1. At the same time of rotary tillage, ridging, film covering and earthing, the fertilizer application device 18 is utilized for fertilizer application, the process of single fertilizer application is omitted, and the production efficiency can be improved. And the fertilizer falls directly on rotary tillage device 25, then gets rid of the rear along with soil, and the fertilizer is buried in soil, can reduce the volatile volume of fertilizer, makes fertilizer give full play to fertilizer efficiency, is favorable to crops to grow.
In the first embodiment, as shown in fig. 1, 2 and 3, a turntable 2 is of a circular structure sleeved on the periphery of an eccentric wheel 3, the inner end of a transplanting rod 4 is bent and extended in the direction opposite to the rotating direction of the turntable 2 and in the direction away from the eccentric wheel 3, the outer end of the transplanting rod is bent and extended in the direction away from the eccentric wheel 3 in the rotating direction of the turntable 2, a group of connecting rods 8 distributed in an annular array are arranged on the end face of the turntable 2, one end of each connecting rod 8 is fixedly connected with the turntable 2, the other end of each connecting rod is fixedly connected with an output shaft 9 of a power mechanism, a sleeve in rotating fit with the output shaft 9 is sleeved on the output shaft 9, the eccentric wheel 3 is fixedly connected with the sleeve, a group of positioning rods 10 distributed in an annular array are arranged on the end face of the eccentric wheel 3, one end of each positioning rod 10 is fixedly connected with the eccentric wheel 3, the other end of each positioning rod 10 is fixedly connected with a rack, one side of the turntable 2, and the connecting rods 8 are positioned on the other side of the turntable 2. The rotary table 2 is reliably connected with the output shaft 9 of the power mechanism by the connecting rod 8, the eccentric wheel 3 is reliably connected with the frame by the positioning rod 10, and the structure is simple, and the connection is firm and reliable.
The gap between the outer wall of the eccentric wheel 3 and the inner wall of the rotary table 2 is divided into an upper clamping cavity and a lower reversing cavity, the radial width of each part of the upper clamping cavity is equal, and the radial width of the lower reversing cavity is gradually increased from two ends to the middle and is larger than the width of the upper clamping cavity. When the transplanting rod 4 is positioned in the upper clamping cavity, the seedlings are clamped, and when the transplanting rod 4 is positioned in the lower reversing cavity, the seedlings are inserted into soil, separated from the seedlings and pulled out of the soil.
The outer wall of the eccentric wheel 3 is provided with a sliding groove, and the sliding mechanism comprises a sliding ring 6 sleeved on the inner end of the transplanting rod 4 and in sliding fit with the transplanting rod, a sliding block clamped with the sliding groove and in sliding fit with the sliding groove, and a sliding rod connected between the sliding block and the sliding ring 6. The sliding groove can play a limiting role, so that the sliding fit between the transplanting rod 4 and the eccentric wheel 3 is more stable and reliable. The end part of the inner end of the transplanting rod 4 is provided with an anti-falling edge 7 protruding towards the periphery, the slip ring 6 is positioned between the anti-falling edge 7 and the turntable 2, and the transplanting rod 4 and the slip ring 6 can be prevented from being separated by the anti-falling edge 7.
The fork head 5 comprises two clamping pieces arranged along the axis direction of the turntable 2, a gap between the two clamping pieces is a clamping cavity of seedlings, a slot is formed in the end face of the seedling transplanting rod 4, a group of screw holes arranged along the width direction of the seedling transplanting rod 4 are formed in the seedling transplanting rod 4 above the slot, a jacking bolt is additionally arranged, the clamping pieces are spliced with the slot and are fixedly connected with the seedling transplanting rod 4 by means of the matching of the jacking bolt and the screw holes, the size of the gap between the two clamping pieces can be adjusted according to actual needs, the seedling is clamped more firmly, and the seedlings can be prevented from sliding off.
A group of adjusting holes are formed in the outer wall of the rotary table 2 along the circumferential direction, a rotating shaft which is in running fit with the rotary table 2 is arranged at the adjusting holes, the axis of the rotating shaft is parallel to the axis of the rotary table 2, the middle part of the transplanting rod 4 is sleeved and fixed on the rotating shaft and is in running fit with the rotary table 2 by virtue of the rotating shaft, the inner end of the transplanting rod 4 is of an arc-shaped structure with the middle part recessed towards the direction of the eccentric wheel 3, and when the transplanting rod 4 rotates and commutates, the slip ring 6 slides on the inner end of the transplanting rod 4 more smoothly and stably.
In the embodiment, when the seedling transplanting machine is specifically used, the conveying belt 1 and the power mechanism are fixed on the frame, the turntable 2 and the eccentric wheel 3 are erected on the frame, the frame is used for driving the turntable 2 and the eccentric wheel 3 to advance, as shown in fig. 1, the conveying belt 1 is positioned in front of the turntable 2, the turntable 2 rotates anticlockwise, the turntable 2 is connected with the output shaft 9 of the power mechanism, sweet potato seedlings are placed on the conveying belt 1, the sweet potato seedlings move backwards along with the conveying belt 1, meanwhile, the power mechanism is used for driving the turntable 2 to rotate anticlockwise around the eccentric wheel 3, the turntable 2 drives the transplanting rods 4 on the outer circumferential surface of the transplanting rods to rotate together, initially, when the transplanting rods 4 rotate to the rear of the conveying belt 1 through the highest position of the turntable 2, the fork heads 5 at the outer ends of the transplanting rods 4 clamp seedlings positioned at the tail ends of the conveying belt 1, and at the moment, the transplanting rods 4 are positioned in the upper clamping cavity, the middle part of the inner end of the transplanting rod 4 is contacted with a chute on the eccentric wheel 3, as the rotating disc 2 rotates, seedlings move backwards and downwards along with the transplanting rod 4, when the transplanting rod 4 inserts the seedlings into the soil, the transplanting rod 4 enters into a lower reversing cavity from an upper clamping cavity, as the interval between the eccentric wheel 3 and the rotating disc 2 increases, the anti-drop edge 7 of the inner end part of the transplanting rod 4 approaches to the eccentric wheel 3, the transplanting rod 4 rotates clockwise along with a rotating shaft on the outer circumferential surface of the rotating disc 2, the outer end of the transplanting rod 4 is separated from the seedlings and extracted from the soil, then as the interval between the eccentric wheel 3 and the rotating disc 2 decreases, the anti-drop edge 7 of the inner end part of the transplanting rod 4 moves away from the eccentric wheel 3, the transplanting rod 4 rotates anticlockwise along with the rotating shaft on the outer circumferential surface of the rotating disc 2, and the transplanting rod 4 returns into the upper clamping cavity, waiting for the next transplanting. The seedling transplanting machine can ensure that seedlings are horizontally inserted into soil and smoothly pulled out from the soil, the number of sweet potato blocks formed by the seedlings is large, the size is uniform, mechanical transplanting is realized, time and labor are saved, and the transplanting efficiency and the sweet potato yield can be greatly improved.
In the second embodiment, as shown in fig. 4 to 10, unlike the first embodiment, the turntable 2 is located at one side of the eccentric wheel 3, the end surface of the eccentric wheel 3 facing the turntable 2 is provided with a track, the transplanting rod 4 comprises a driving shaft 4-1 penetrating through the thickness direction of the turntable 2 and forming a running fit with the turntable 2, one end of the connecting rod 4-2 is fixedly connected with the inner end of the driving shaft 4-1, the other end of the connecting rod forms a sliding fit with the track on the eccentric wheel 3, a fixed seat 4-3 sleeved at the outer end of the driving shaft 4-1 and fixedly connected with the turntable 2 by means of a positioning shaft 17, the positioning shaft 17 is vertically fixed on the turntable 2, the fixed seat 4-3 and the driving shaft 4-1 form a running fit, the sliding mechanism is a sliding block hinged with the inner end of the connecting rod 4-2, the sliding block and the track on the eccentric wheel 3 form a sliding fit with the track on the turntable 2, the fixed seat 4-3 is positioned between the two springs 14, a connecting sleeve 12 which is fixedly connected with the inner end of the driving shaft 4-1 and forms a sliding fit with the driving shaft 4-1, the fork 5 comprises two L-shaped clamping pieces 5, the clamping pieces 5 are fixedly connected with the clamping pieces 5-1 in parallel to each clamping piece 5-1, the clamping pieces 5 are respectively arranged in parallel to the two clamping pieces 5-1 and are respectively arranged in parallel to the two clamping pieces 1 and are in parallel to each clamping piece 1 and 5-5 and are respectively arranged in the small space between the two clamping pieces 1 and 5-1, the end face of the fixed seat 4-3 facing the connecting sleeve 12 is provided with a clamping groove 16, a transitional inclined plane 15 is arranged between the clamping groove 16 and the end face of the fixed seat 4-3, the end face of the connecting sleeve 12 is provided with a conical bulge 13, the conical bulge 13 is sunk in the clamping groove 16 to enable the two clamping pieces to be in a closed state, and the conical bulge 13 protrudes outside the end face of the fixed seat 4-3 to enable the two clamping pieces to be in an open state.
When the rotary table 2 rotates, the driving shaft 4-1 is driven to move together, the driving shaft 4-1 drives a sliding block at the end part of the connecting rod 4-2 to slide along a track on the eccentric wheel 3 through the connecting rod 4-2, when the fork head 5 moves from the lower reversing cavity to the upper clamping cavity, the connecting rod 4-2 drives the driving shaft 4-1 to rotate because the width of the upper clamping cavity is smaller than that of the lower reversing cavity, the driving shaft 4-1 drives the two connecting sleeves 12 to rotate, the conical protrusions 13 on the connecting sleeves 12 slide into the clamping grooves 16 along the transition inclined planes 15 from the end surfaces of the fixed seat 4-3, the springs 14 stretch, the connecting sleeves 12 move towards the fixed seat 4-3, and the two clamping pieces are closed to clamp seedlings; when the fork head 5 moves from the upper clamping cavity to the lower reversing cavity, the connecting rod 4-2 drives the driving shaft 4-1 to reversely rotate because the width of the upper clamping cavity is smaller than that of the lower reversing cavity, the driving shaft 4-1 drives the connecting sleeve 12 to reversely rotate together, so that the conical protrusions 13 on the connecting sleeve 12 slide from the clamping grooves 16 to the end face of the fixed seat 4-3 along the transition inclined planes 15, thereby pushing the two connecting sleeves 12 to move in a direction away from the fixed seat 4-3, the springs 14 are compressed, the two clamping pieces are opened, the fork head 5 is separated from seedlings, and the seedlings are planted in the soil horizontally.
The two embodiments of the invention can ensure that the seedling is horizontally inserted into the soil, and the transplanting rod is smoothly pulled out from the soil, so that the seedling has a large number of sweet potato blocks with uniform size, and the seedling is mechanically transplanted, thereby saving time and labor and greatly improving the transplanting efficiency and the sweet potato yield.
When the invention is specifically used, the axis of the rotary tillage shaft 25-1 and the axis of the mulching film roll supporting shaft are positioned on the same horizontal plane, the drip irrigation belt reel is firstly erected on the drip irrigation belt frame, the mulching film roll is sleeved on the mulching film roll supporting shaft, then the drip irrigation belt and the rear end of the mulching film are paved on the ground, the drip irrigation belt extends backwards through the drip irrigation belt through holes 19 and is pressed below the mulching film, the drip irrigation belt is paved in the middle part of the ridge, the mulching film is covered by soil, the frame is connected with a tractor, the tractor is used for driving the frame to advance, meanwhile, the power mechanism drives the rotary tillage shaft 25-1 and the soil poking roller 22 to rotate, the lowest part of the rotary tillage shaft 25-1 is screwed backwards to throw soil backwards, the soil falls on the guide plate 23, the soil falls on the mulching film through the soil poking roller 22, the two sides of the mulching film are covered, and the upper side of the drip irrigation belt is free of soil. Simultaneously, the ploughshare 26 and the ridging forming device 20 together complete the ridging process, the rear transplanting device completes the transplanting process, the ridging, drip irrigation tape laying, film covering, soil covering and transplanting processes can be completed at one time, if necessary, the fertilization process can be completed at the same time, the number of times of rolling the soil can be reduced, and the sweet potato growth is facilitated. Compared with the existing structure of covering soil on the left side and the right side, the structure of the invention which is covered by the plastic film by throwing soil from front to back has the advantages of more compact structure, small volume and more convenient operation.

Claims (8)

1. The multifunctional rice transplanter comprises a ridging film-covering device arranged on a frame and a rice transplanting device arranged behind the ridging film-covering device, wherein the rice transplanting device comprises a seedling conveying mechanism and a rice transplanting mechanism connected with an output end of the seedling conveying mechanism, and is characterized in that: the seedling conveying mechanism is a belt transmission mechanism, the seedling transplanting mechanism comprises a rotary table (2) driven by a power mechanism, an eccentric wheel (3) coaxially arranged with the rotary table (2) and fixed on a frame, and a group of seedling transplanting rods (4) which are arranged on the rotary table (2) in an annular array, the middle parts of the seedling transplanting rods (4) and the rotary table (2) form running fit, the inner ends of the seedling transplanting rods (4) extend towards the direction of the eccentric wheel (3), the outer ends extend towards the direction away from the eccentric wheel (3), and the end parts of the seedling transplanting rods are provided with fork heads (5) for clamping seedlings, and sliding mechanisms are arranged between the inner ends of the seedling transplanting rods (4) and the eccentric wheel (3) for sliding fit;
the rotary table (2) is of a circular structure sleeved on the periphery of the eccentric wheel (3), the inner end of the transplanting rod (4) is bent and extended in the direction opposite to the direction of the eccentric wheel (3) in the rotating direction of the rotary table (2), the outer end of the transplanting rod is bent and extended in the direction away from the eccentric wheel (3) in the rotating direction of the rotary table (2), a group of connecting rods (8) which are distributed in an annular array are arranged on the end face of the rotary table (2), one end of each connecting rod (8) is fixedly connected with the rotary table (2), the other end of each connecting rod is fixedly connected with an output shaft (9) of the power mechanism, a sleeve which is in running fit with the output shaft (9) is sleeved on each connecting rod, the eccentric wheel (3) is fixedly connected with the sleeve, a group of positioning rods (10) which are distributed in an annular array are arranged on the end face of the eccentric wheel (3), one end of each positioning rod (10) is fixedly connected with the eccentric wheel (3), the other end of each positioning rod (10) is fixedly connected with the frame, and the connecting rod (8) is positioned on one side of the rotary table (2);
the gap between the outer wall of the eccentric wheel (3) and the inner wall of the rotary table (2) is divided into an upper clamping cavity and a lower reversing cavity, the widths of the upper clamping cavity along the radial direction are equal, the widths of the lower reversing cavity along the radial direction are gradually increased from two ends to the middle and are larger than the widths of the upper clamping cavity, when the transplanting rod (4) is positioned in the upper clamping cavity, seedlings are clamped, when the transplanting rod (4) is positioned in the lower reversing cavity, the seedlings are inserted into soil, and then separated from the seedlings and extracted from the soil;
the power mechanism is used for driving the turntable (2) to rotate, the turntable (2) drives the transplanting rods (4) to rotate together, when the transplanting rods (4) reach the rear of the belt transmission mechanism, the fork heads (5) at the outer ends of the transplanting rods (4) clamp seedlings on the belt transmission mechanism, then the seedlings are driven to rotate downwards and backwards, after the seedlings are horizontally inserted into soil, the transplanting rods (4) are separated from the seedlings and are pulled out from the soil, and the transplanting rods (4) continue to move upwards and return to an initial state to prepare for next transplanting;
the belt transmission mechanism comprises a conveying belt (1) and a pressing belt (11) arranged above the conveying belt (1), and a cavity between the conveying belt (1) and the pressing belt (11) is a seedling placing cavity.
2. The multi-functional rice transplanter according to claim 1, wherein: the outer wall of the eccentric wheel (3) is provided with a sliding groove, and the sliding mechanism comprises a sliding ring (6) sleeved on the inner end of the transplanting rod (4) and in sliding fit with the transplanting rod, a sliding block clamped with the sliding groove and in sliding fit with the sliding groove, and a sliding rod connected between the sliding block and the sliding ring (6).
3. The multi-functional rice transplanter according to claim 2, wherein: the end part of the inner end of the transplanting rod (4) is provided with an anti-falling edge (7) protruding towards the periphery, and the slip ring (6) is positioned between the anti-falling edge (7) and the turntable (2).
4. The multi-functional rice transplanter according to claim 1, wherein: the ridging tectorial membrane device include rotary tillage device (25), ridging forming device (20), lay drip irrigation zone device (24), lay plastic film device (21) and earthing device in the frame, earthing device is including setting up in rotary tillage device (25) rear plectrum roller (22) and guide plate (23), the plectrum roller (22) that set up along controlling the direction is located the top of guide plate (23) front end, the up end of guide plate (23) both sides all is provided with earthing passageway, guide plate (23) middle part is provided with drip irrigation zone via hole (19), lay plastic film device (21) and fix in guide plate (23) below and lie in drip irrigation zone via hole (19) rear, ridging forming device (20) set up in guide plate (23) below and lie in drip irrigation zone via hole (19) the place ahead.
5. The multi-functional rice transplanter according to claim 4, wherein: the guide plate (23) comprises a horizontal plate (23-1) and an inclined plate (23-2) positioned at the rear of the horizontal plate, the rear end of the inclined plate (23-2) is inclined downwards and extends to the rear of the mulching film laying device (21), a drip irrigation zone through hole (19) with the upper end face protruding above the inclined plate (23-2) is arranged in the middle of the inclined plate (23-2), two baffle plates (23-3) are respectively arranged on the left side and the right side of the drip irrigation zone through hole (19), the front ends of the two baffle plates (23-3) close to the drip irrigation zone through hole (19) are tangent to the drip irrigation zone through hole (19), a splayed soil covering channel is formed between the two baffle plates (23-3) positioned on the same side of the drip irrigation zone through hole (19), and the width of the rear end of the soil covering channel is smaller than that of the front end.
6. The multi-functional rice transplanter according to claim 4, wherein: the rotary tillage device (25) comprises a rotary tillage shaft (25-1) and a group of rotary tillage blades (25-2) fixed on the rotary tillage shaft (25-1), wherein both ends of the rotary tillage blades (25-2) are bent to form wing plates, the wing plates of the left rotary tillage blades (25-2) are bent to the right, the wing plates of the right rotary tillage blades (25-2) are bent to the left, one wing plate of the middle rotary tillage blade (25-2) is bent to the right, and the other wing plate is bent to the left.
7. The multi-functional rice transplanter according to claim 6, wherein: the machine frame is fixedly provided with a fertilizer application device (18), and a fertilizer outlet of the fertilizer application device (18) is positioned above the rotary tillage shaft (25-1) and in front of the axis of the rotary tillage shaft (25-1).
8. The multifunctional rice transplanter comprises a ridging film-covering device arranged on a frame and a rice transplanting device arranged behind the ridging film-covering device, wherein the rice transplanting device comprises a seedling conveying mechanism and a rice transplanting mechanism connected with an output end of the seedling conveying mechanism, and is characterized in that: the seedling conveying mechanism is a belt transmission mechanism, the seedling transplanting mechanism comprises a rotary table (2) driven by a power mechanism, an eccentric wheel (3) coaxially arranged with the rotary table (2) and fixed on a frame, and a group of seedling transplanting rods (4) which are arranged on the rotary table (2) in an annular array, the middle parts of the seedling transplanting rods (4) and the rotary table (2) form running fit, the inner ends of the seedling transplanting rods (4) extend towards the direction of the eccentric wheel (3), the outer ends extend towards the direction away from the eccentric wheel (3), and the end parts of the seedling transplanting rods are provided with fork heads (5) for clamping seedlings, and sliding mechanisms are arranged between the inner ends of the seedling transplanting rods (4) and the eccentric wheel (3) for sliding fit;
the rotary table (2) is positioned at one side of the eccentric wheel (3), a track is arranged on the end face of the eccentric wheel (3) facing the rotary table (2), the transplanting rod (4) comprises a driving shaft (4-1) which penetrates through the thickness direction of the rotary table (2) and forms a running fit with the rotary table (2), one end of the driving shaft (4-1) is fixedly connected with the inner end of the driving shaft and the other end of the driving shaft forms a sliding fit with the track on the eccentric wheel (3), a connecting rod (4-2) which is sleeved at the outer end of the driving shaft (4-1) and is fixedly connected with the rotary table (2) by virtue of a positioning shaft (17), the positioning shaft (17) is vertically fixed on the rotary table (2), the fixing seat (4-3) forms a running fit with the driving shaft (4-1), the sliding mechanism is a sliding block hinged with the inner end of the connecting rod (4-2), the sliding block forms a sliding fit with the track on the eccentric wheel (3), two springs (14) are sleeved on the driving shaft (4-1), the fixing seat (4-3) is positioned between the two springs (14), the fixing seat (4-3) and each spring (14) is sleeved with the two connecting sleeves (4-1) and form a connecting sleeve (12) which are matched with the driving shaft (4-1), each clamping piece comprises a connecting section (5-1), a contracting section (5-2) and a clamping section (5-3) which are sequentially arranged, the two connecting sections (5-1) are arranged in parallel and are respectively sleeved and fixed on a connecting sleeve (12) at the corresponding side, the two clamping sections (5-3) are arranged in parallel, the distance between the two clamping sections is smaller than the distance between the two connecting sections (5-1), the distance between the two contracting sections (5-2) is linearly reduced from the connecting sections (5-1) to the clamping sections (5-3), a clamping groove (16) is formed in the end face of the fixing seat (4-3) facing the connecting sleeve (12), a transition inclined plane (15) is arranged between the clamping groove (16) and the end face of the fixing seat (4-3), a conical bulge (13) is arranged on the end face of the connecting sleeve (12), the conical bulge (13) is arranged in the clamping groove (16) in a sinking mode, the two clamping pieces are in a closed state, and the conical bulge (13) is projected out of the end face of the fixing seat (4-3) to enable the two clamping pieces to be in an open state;
when the rotary table (2) rotates, the driving shaft (4-1) is driven to move together, the driving shaft (4-1) drives a sliding block at the end part of the connecting rod (4-2) to slide along a track on the eccentric wheel (3) through the connecting rod (4-2), when the fork head (5) moves from the lower reversing cavity to the upper clamping cavity, the connecting rod (4-2) drives the driving shaft (4-1) to rotate because the width of the upper reversing cavity is smaller than that of the lower reversing cavity, the driving shaft (4-1) drives the two connecting sleeves (12) to rotate, conical protrusions (13) on the connecting sleeves (12) slide into the clamping grooves (16) along transition inclined planes (15) from the end face of the fixed seat (4-3), the springs (14) stretch, the connecting sleeves (12) move towards the fixed seat (4-3), and the two clamping pieces are closed to clamp seedlings; when the fork head (5) moves from the upper clamping cavity to the lower reversing cavity, the connecting rod (4-2) drives the driving shaft (4-1) to reversely rotate because the width of the upper clamping cavity is smaller than that of the lower reversing cavity, the driving shaft (4-1) drives the connecting sleeve (12) to reversely rotate together, so that the conical bulge (13) on the connecting sleeve (12) slides from the clamping groove (16) to the end face of the fixed seat (4-3) along the transition inclined plane (15), thereby pushing the two connecting sleeves (12) to move in a direction away from the fixed seat (4-3), the springs (14) are compressed, the two clamping pieces are opened, the fork head (5) is separated from seedlings, and the seedlings are horizontally planted in soil;
the power mechanism is used for driving the turntable (2) to rotate, the turntable (2) drives the transplanting rods (4) to rotate together, when the transplanting rods (4) reach the rear of the belt transmission mechanism, the fork heads (5) at the outer ends of the transplanting rods (4) clamp seedlings on the belt transmission mechanism, then the seedlings are driven to rotate downwards and backwards, after the seedlings are horizontally inserted into soil, the transplanting rods (4) are separated from the seedlings and are pulled out from the soil, and the transplanting rods (4) continue to move upwards and return to an initial state to prepare for next transplanting;
the belt transmission mechanism comprises a conveying belt (1) and a pressing belt (11) arranged above the conveying belt (1), and a cavity between the conveying belt (1) and the pressing belt (11) is a seedling placing cavity.
CN201811101765.9A 2018-09-20 2018-09-20 Multifunctional rice transplanter Active CN108834513B (en)

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CN111183772B (en) * 2020-03-03 2024-06-28 河北省农业机械化研究所有限公司 Bucket-lifting type earth-covered sweet potato horizontal transplanting machine
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CN111802004B (en) * 2020-07-30 2022-03-29 农业农村部南京农业机械化研究所 Planting type ridging seedling planting machine for sweet potato planting
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