CN108513786B - Bean potato harvester integrating seedling beating, digging, collecting, storing, mud removing, straw returning and field returning - Google Patents

Bean potato harvester integrating seedling beating, digging, collecting, storing, mud removing, straw returning and field returning Download PDF

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Publication number
CN108513786B
CN108513786B CN201810580184.1A CN201810580184A CN108513786B CN 108513786 B CN108513786 B CN 108513786B CN 201810580184 A CN201810580184 A CN 201810580184A CN 108513786 B CN108513786 B CN 108513786B
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shovel
soil
collecting
storing
frame
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CN108513786A (en
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谢云斐
冯凯萍
周兆忠
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Quzhou University
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Quzhou University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D27/00Machines with both topping and lifting mechanisms
    • A01D27/02Machines with both topping and lifting mechanisms with rigid tools
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D27/00Machines with both topping and lifting mechanisms
    • A01D27/04Machines with both topping and lifting mechanisms with moving or rotating tools
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D33/00Accessories for digging harvesters
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D33/00Accessories for digging harvesters
    • A01D33/06Haulm-cutting mechanisms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D33/00Accessories for digging harvesters
    • A01D33/08Special sorting and cleaning mechanisms

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The invention discloses a potato harvester integrating seedling beating, excavating, collecting, storing, mud removing and straw returning into a whole, which comprises a planetary gear type seedling beating device, a motor I, a potato collecting, storing device, wheels, a soil turning device, a straw returning device, a motor II, a frame and an excavating device; the frame is a main body support, the planetary gear type seedling device and the motor I are arranged at the front end of the frame and are connected through a belt, the straw returning device, the soil turning device and the excavating device are all driven by the motor II through belt wheel connection, the conveying belt is fixedly arranged at the rear end of the frame through a hydraulic rod, and the yam bean collecting and storing device is arranged in the middle of the frame and is positioned at the tail end of the conveying belt; the invention integrates multiple functions of seedling beating, digging, collecting and storing, mud removing, straw returning and the like, reduces the energy consumption during seedling beating, fully retreads the soil, is not easy to damage the yam beans, can obviously improve the working efficiency of the potato harvesting machine, and has low energy consumption.

Description

Bean potato harvester integrating seedling beating, digging, collecting, storing, mud removing, straw returning and field returning
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning.
Background
The yam beans are also called as 'root of kudzu vine, sweet potato, arrowroot and Ge Shu'. The edible part of the yam beans is a hypertrophied root tuber, the root tuber of the yam beans is hypertrophied and is circular and conical, the diameter is generally about 20-30 cm, and the yam beans are required to be deep and loose in soil layer and well drained in loam or sandy loam, so that the yam beans are not suitable for being planted on soil with poor viscosity and permeability. Straw returning is a method for applying directly or after piling up and decomposing straw which is not suitable for directly serving as feed into soil. Can improve soil property, accelerate raw soil curing and improve soil fertility. Since the field is returned by popularizing straw in China, after the farmland is harvested, the straw is used for cultivating and accumulating fertilizer and returning to the field, the reasonable utilization of the straw is an excellent tradition for farmers in China, but a large amount of straw is not fully utilized, and becomes a great hidden danger for environmental pollution, the field returning area of the straw is rapidly enlarged and popularized, and the defects of the straw are increasingly obvious. After the straw is returned to the field, a thick layer of straw is covered in the field, so that the plow and the harrowing are blocked, the fine tillage is seriously affected, and the method is a very headache for farmers. The direct crushing and returning of the straw to the field are important means for increasing soil organic matters, improving fertility, changing soil structure, improving water storage and energy conservation capacity, realizing synergism of agricultural production cost, protecting environment, developing ecological agriculture and realizing sustainable development of agriculture. And when the straw is directly ploughed, nitrogen fertilizer is applied to promote the straw to be decomposed in the soil, so that the competition of decomposing bacteria and crops on nitrogen is avoided.
Chinese patent application publication No. CN107306576a discloses an active seedling cutter, in which it is mentioned that seedling is driven by rotating a shaft to wind and cut sweet potato seedling, but the probability of winding sweet potato seedling is not great when rotating the shaft, so that the working efficiency cannot be effectively improved, and a large power is required for operation. Chinese patent application publication No. CN107306576a discloses an active seedling cutter, in which it is mentioned that seedling is driven by rotating a shaft to wind and cut sweet potato seedling, but the probability of winding sweet potato seedling is not great when rotating the shaft, so that the working efficiency cannot be effectively improved, and a large power is required for operation.
When harvesting the yam beans, soil turning is needed, but the soil turning is carried out by manpower, so that the working strength is high, the efficiency is low, and the time is long. With the continuous progress of technology, small-scale agricultural production and garden industry continuously adopt new mechanical devices to carry out production work, for example, a scarifier is widely used by people to turn or loosen soil, so that the labor intensity can be reduced, but compared with the existing scarifier with the growth characteristics of the yam beans, the potato is easily damaged, so that the proper scarifier is particularly necessary during the operation of a potato harvester.
Chinese patent application publication No. CN107950099a discloses a mechanical type soil turning machine and a method thereof, in which it is mentioned that soil is turned by driving a soil turning roller by a motor, but only one soil turning roller is used for soil turning although it includes a weeding device, and the soil turning depth is limited and the efficiency is poor in practical operation. Chinese patent application publication No. CN207305310U discloses an agricultural soil-turning device, in which it is mentioned that soil is firstly drilled and broken by a breaking rod and a soil-turning roller, and then the soil is turned horizontally forward, but the structure of the soil-turning roller and the design of the breaking rod are not applicable to harvesting yam beans, and the yam beans are easily damaged during soil turning, and the structure is complex.
Wherein the potato digger is used for digging out the root tuber and conveying the root tuber to the storage equipment. The digging performance is an important index for evaluating the performance of the potato harvester and is closely related to the structure of the harvester, the operation parameters, the key component materials and other factors. The existing harvester has the problems of single digging shovel form, simple structure, serious clay phenomenon, large soil penetration resistance, poor soil breaking and crushing capacity, high potato damage and breaking rate, poor adaptability, low reliability and the like when digging potato blocks.
The digging method mentioned in the research of the crop harvesting method of the present situation and prospect of research application of the crop harvesting technology in China (university of agriculture, gansu, university of agriculture, zhili Niu Junyi) comprises a pulling type and a digging type, and the digging method is the latter. The existing harvester has less consideration on the collection and treatment of the excavated products, the post-collection is generally needed by manpower, and in order to be convenient for directly collecting the yam beans during the operation of the yam bean harvester, the storage and collection of the yam beans are needed to be considered. An intermittent transmission mechanism adopts an external gear tooth type unidirectional ratchet mechanism to perform intermittent stepping, which is a great help to design of the yam bean collecting and storing device, and is commonly used intermittent rotating mechanism (Mao Zhongyan) in packaging machinery.
The invention designs a potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning into fields for being more suitable for digging potatoes. The planetary gear type seedling device integrates multiple functions of seedling beating, digging, collecting, storing, removing mud, returning straw to the field and the like, has a simple, firm and compact design structure, and effectively reduces energy consumption during seedling beating; the soil turning device is designed to control the soil turning depth, so that the potato is not easy to damage while the soil is fully renovated, the structure is simple, the operation is convenient, and the soil turning efficiency is high; the design of the potato digger can effectively reduce the adverse effects of large digging resistance, unsatisfactory potato soil separation effect and the like of the digger in the potato digging process, can obviously improve the working efficiency of potato harvesting machinery, has low energy consumption and material saving, and improves the drag reduction performance by more than 40 percent compared with the traditional digger; the design of the yam bean collecting and storing device reasonably stores the yam beans when collecting and storing the yam beans, is beneficial to removing the residual dirt of the yam beans, and has low cost, easy control, convenient manufacture and reliable movement; the design of the straw returning device is to apply fertilizer in a matching way through the direct smashing and returning mode of the straw, and blow and scatter the fertilizer evenly, increase soil organic matters, increase fertility, change soil structure, improve water storage and energy conservation capacity, realize the synergy of agricultural production cost, fully reserve nutrient substances of the straw in the soil and improve the efficiency of straw returning.
Disclosure of Invention
The invention aims to provide a potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning into fields for being more suitable for harvesting potatoes.
The specific technical scheme of the invention is as follows:
the potato harvester integrating the functions of threshing, digging, collecting, storing, removing mud and returning straw into the field comprises a planetary gear type seedling threshing device, a motor I, a potato collecting, storing device, wheels, a soil turning device, a straw returning device, a motor II, a frame and a digging device;
the frame is a main body support, and the planetary gear type seedling beating device, the first motor, the potato collecting and storing device, the soil turning device, the straw returning device, the second motor and the excavating device are all arranged on the frame;
the wheels are symmetrically arranged on two sides of the frame, the planetary gear type seedling device is arranged at the upper end of the chassis of the frame and is positioned at the front end of the frame, the first motor is connected with the planetary gear type seedling device through a belt, the chassis is connected with a grass breaking mechanism of the straw returning device through a screw conveyer, the front end of the chassis is in a bushing shape, uniformly distributed hollowed-out parts are arranged on the front end of the chassis, the rear end of the chassis is a slipway container with a downward inclined bottom surface, a circular hollowed-out part is arranged at the lower end of the slipway and is used for being connected with the screw conveyer, and the screw conveyer drives a screw rod to carry out screw conveying through the motor;
the grass crushing mechanism is connected with the motor II through a belt, the soil turning device and the excavating device are driven by the motor II, the yam bean collecting and storing device is arranged in the middle of the frame, and the excavating device is arranged at the rear end of the frame.
Preferably, the planetary gear type seedling device comprises a fixed shaft, a connecting rod, a driving wheel, a large gear, a small gear, a seedling beating strip and a long shaft, wherein the inner ring of the driving wheel is provided with a tooth slot, the outer ring of the driving wheel is provided with a groove, the small gear is circumferentially and uniformly distributed between the large gear and the driving wheel and meshed with the large gear and the driving wheel respectively, and the small gear is connected with the long shaft through a key; the seedling beating strips are uniformly distributed in the axial direction of the long shaft at equal intervals, and the structures at the two ends of the long shaft are symmetrically distributed; the connecting rods are connected with the pinion gears to enable the pinion gears to move stably and synchronously, the fixing shafts penetrate through the connecting rods and are connected with the large gear in a key mode, protrusions are arranged on the fixing shafts, and the fixing shafts are fixed on the harvester through the protrusions, so that the large gear is fixed.
Preferably, the grass crushing mechanism comprises a shell, rivets, screws, blades, a rotating rod, bearings, belt pulleys and a bracket, wherein the blades are connected with the rotating rod through the screws, the bearings and the belt pulleys are arranged at two ends of the rotating rod, the bracket is arranged on the outer ring of the bearing, the bracket is fixed with the shell through the rivets, and the inner structure of the shell comprises a feed inlet, a crushing opening and a discharge opening; the discharge gate department of garrulous grass mechanism is equipped with the direct vibrator of taking the charging tray, is equipped with the charging tray that contains the hollow groove on the direct vibrator of taking the charging tray, and the lower extreme discharge gate department of garrulous grass mechanism is equipped with blast apparatus, and blast apparatus comprises blast housing and fan wheel group, and blast apparatus is connected with the rotary rod on the garrulous grass mechanism through the belt, and blast apparatus blows it down during blanking, plays the homogenization effect of blanking material.
Preferably, the soil turning device comprises a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, two chain universal joints, two crushing rollers, a soil turning roller, a belt wheel, a belt, a hydraulic rod, a universal joint support and a bevel gear support;
the bevel gear support is a main body support, and the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are arranged in the bevel gear support in a cross manner and meshed with each other, wherein the first bevel gear is a driving wheel; the two chain universal joints are respectively connected with the bevel gear II and the bevel gear three-phase, the chain universal joints are arranged in the universal joint support, the chain universal joints are formed by connecting a plurality of universal joints in a chain manner, the hydraulic rod is arranged below the universal joint support and used for controlling the depth of the crushing rolls for crushing soil, the other end of each chain universal joint is connected with the corresponding crushing roll, and the front crushing roll and the rear crushing roll are staggered; the soil turning roller is arranged between the two crushing rollers, and the belt wheel is driven by the motor to drive the soil turning roller to rotate.
Preferably, the digging device comprises a potato digging shovel, a spiral roller and a conveying belt; the potato digger comprises a shovel shell, an upper hollowed layer, a soil touching shovel surface, a soil entering shovel tooth and a lower hollowed layer; the shovel body is in a bucket shape, wherein the soil contact shovel surface and the upper hollowed-out layer are positioned on the front surface of the digging shovel, the lower hollowed-out layer is positioned on the back surface of the digging shovel, the lower hollowed-out layer is fixedly connected with the soil contact shovel surface, the soil entering shovel teeth are positioned at the front end of the digging shovel, and the soil contact shovel surface is arranged between the soil entering shovel teeth and the upper hollowed-out layer to play a role in connection; the soil contact shovel surface is formed by transversely arranging partial spherical outer shells, the spherical outer shells are in smooth connection, and gaps are formed between the spherical outer shells, so that the soil contact shovel surface can be used for reducing excavation resistance and facilitating soil deployment and separation; the upper hollowed-out layer and the lower hollowed-out layer are provided with regularly arranged hollowed-out parts; the shovel shell is coated on the outer ring of the excavating shovel, the top end of the shovel shell is rectangular, transits to the bottom end through an arc, and is fixedly connected with the upper hollowed-out layer and the lower hollowed-out layer; the range of the wedge angle of the digging shovel for entering the soil is as follows: [30 DEG, 55 DEG ], the clearance angle range of the edge of the entering shovel tooth is: [5 °,8 ° ]; the spiral roller is arranged in the potato digger, a convex plate is arranged at one end of the spiral roller, which is close to the conveying belt, and is used for poking the potato on the conveying belt, the conveying belt is fixedly arranged at the rear end of the frame through a hydraulic rod, and the potato collecting and storing device is arranged in the middle of the frame and is positioned at the tail end of the conveying belt.
Preferably, the yam bean collecting and storing device comprises a storing bin and a base; the storage bin is arranged at the upper end of the base, a flower-shaped hollow gap is formed in the bottom surface of the storage bin, a spiral disc-shaped hollow gap is formed in the side bag of the storage bin, a partition plate is arranged in the storage bin, uniformly distributed hollow gaps are formed in the partition plate, and the width range of the hollow gap arranged in the storage bin is between [2.5,4.5] cm.
The base comprises a supporting disc, a small pawl, a first cylinder, a supporting frame, a direct vibrator, a small ratchet wheel, a large pawl, a bolt and a second cylinder; the small pawl is in hydraulic driving connection with the cylinder I, and the small pawl is connected with the small ratchet wheel; the large pawl is hydraulically connected with the second cylinder, and the large pawl is connected with the large ratchet wheel; the first cylinder pushes the small pawl to drive the small ratchet wheel to rotate by an angle, and the second cylinder drives the large pawl to clamp and position the large ratchet wheel by an angle; the supporting plate is arranged on the base through the supporting frame, the circumference of the supporting plate is supported by the supporting frame, the compression resistance and stability of the supporting plate are improved, and the pressure for collecting and storing the yam beans on the supporting plate can be shared while the level of the supporting plate is ensured; the direct vibrators are symmetrically distributed on the base; the large ratchet wheel is connected with the storage bin through the bolt, and the bottom surface of the storage bin is in the same plane with the large ratchet wheel, the surface of the supporting disc and the surface of the vibrator. The first cylinder and the second cylinder are used for driving the ratchet pawls so that the storage bin intermittently rotates at an accurate angle, and the potato residual dirt is removed in a shaking manner under the vibration of the direct vibrator, so that the potato is separated and stored, the effect of removing the residual dirt is achieved, and the double ratchet pawls enable the structure to be more stable and reliable and have high precision.
Preferably, the seedling beating strips on the planetary gear type seedling beating device can be any one of plum blossom-shaped distribution or herringbone distribution, the grooves on the driving wheel on the seedling beating device can be any one of V-shaped grooves, round grooves or rectangular grooves, and the driving wheel is a driving wheel.
Preferably, the discharge hole of the grass crushing mechanism is provided with the direct vibrator with the material tray, and the fertilizer on the direct vibrator with the material tray can be any one of ammonium bicarbonate, calcium superphosphate, common phosphate fertilizer, nitrogen fertilizer or mixture of the phosphate fertilizer and the nitrogen fertilizer.
Preferably, the part of the spherical shell on the soil contact shovel surface is one quarter to one fifth of the spherical shell.
The invention has the following advantages: the planetary gear type seedling device integrates multiple functions of seedling beating, digging, collecting, storing, removing mud, returning straw to the field and the like, has a simple, firm and compact design structure, and effectively reduces energy consumption during seedling beating; the soil turning device is designed to control the soil turning depth, so that the potato is not easy to damage while the soil is fully renovated, the structure is simple, the operation is convenient, and the soil turning efficiency is high; the design of the potato digger can effectively reduce the adverse effects of large digging resistance, unsatisfactory potato soil separation effect and the like of the digger in the potato digging process, can obviously improve the working efficiency of potato harvesting machinery, has low energy consumption and material saving, and improves the drag reduction performance by more than 40 percent compared with the traditional digger; the design of the yam bean collecting and storing device reasonably stores the yam beans when collecting and storing the yam beans, is beneficial to removing the residual dirt of the yam beans, and has low cost, easy control, convenient manufacture and reliable movement; the design of the straw returning device is to apply fertilizer in a matching way through the direct smashing and returning mode of the straw, and blow and scatter the fertilizer evenly, increase soil organic matters, increase fertility, change soil structure, improve water storage and energy conservation capacity, realize the synergy of agricultural production cost, fully reserve nutrient substances of the straw in the soil and improve the efficiency of straw returning.
Drawings
FIG. 1 is a schematic diagram of a potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning into the field;
FIG. 2 is a perspective view of the potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning into the field;
FIG. 3 is an exploded view of the planetary gear type seedling device;
FIG. 4 is a view of the storage bin from various directions;
FIG. 5 is a view showing a structure of a base of the yam bean collecting and storing device;
FIG. 6 is a schematic diagram of a straw returning device;
FIG. 7 is an exploded view of the grass cutting mechanism;
FIG. 8 is a cross-sectional view of the housing;
FIG. 9 is a view of the chassis from various directions;
FIG. 10 is a schematic view of the structure of the soil turning device;
FIG. 11 is a schematic view of a potato digger;
FIG. 12 is a cross-sectional view of the potato digger;
reference numerals illustrate: the seedling raising device comprises a planetary gear type seedling raising device 1, a first motor 2, a potato collecting and storing device 3, wheels 4, a soil turning device 5, a straw returning device 6, a second motor 7, a frame 8 and a digging device 9; a fixed shaft 10, a connecting rod 11, a driving wheel 12, a large gear 13, a small gear 14, a seedling strip 15 and a long shaft 16; the device comprises a supporting disc 19, a small pawl 20, a first cylinder 21, a supporting frame 22, a vibrator 23, a small ratchet wheel 24, a large ratchet wheel 25, a large pawl 26, a bolt 27 and a second cylinder 28; bevel gear one 29, bevel gear two 30, bevel gear three 31, bevel gear four 32, chain universal joint 33, crushing roller 34, soil turning roller 35, belt wheel 36, belt 37, hydraulic rod 38, universal joint bracket 39 and bevel gear bracket 40; the grass breaking mechanism 41, the screw conveyor 42, the underframe 43, the air blowing device 44, the straight vibrator 45 with the material tray, the shell 46, the rivet 47, the screw 48, the blade 49, the rotating rod 50, the bearing 51 and the bracket 52; shovel shell a1, upper hollowed-out layer a2, soil contact shovel surface a3, soil entering shovel teeth a4 and lower hollowed-out layer a5.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention.
As shown in fig. 1, 2 and 6, the potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning into one body is characterized by comprising a planetary gear type seedling beating device 1, a first motor 2, a potato collecting, storing device 3, wheels 4, a soil turning device 5, a straw returning device 6, a second motor 7, a frame 8 and a digging device 9;
the frame 8 is a main body support, the wheels 4 are symmetrically arranged at the left end and the right end of the frame 8, the planetary gear type seedling device 1 is arranged at the upper end of the underframe 43 and is positioned at the front end of the frame 8, and the straw returning device 6, the soil turning device 5 and the excavating device 9 are all driven by a motor two 7 through the connection of belt wheels 36.
As shown in fig. 3, in a preferred embodiment of the present invention, the planetary gear type seedling device 1 comprises a fixed shaft 10, a connecting rod 11, a driving wheel 12, a large gear 13, a small gear 14, a seedling strip 15 and a long shaft 16, wherein the inner ring of the driving wheel 12 is provided with tooth grooves, the outer ring is provided with grooves, the small gear 14 is circumferentially and uniformly distributed between the large gear 13 and the driving wheel 12, and is respectively meshed with the large gear 13 and the driving wheel 12, and the small gear 14 is connected with the long shaft 16 in a key manner; the long shaft 16 is provided with the seedling beating strips 15, a pair of seedling beating strips 15 are distributed in a plum blossom shape, each pair of seedling beating strips 15 are uniformly distributed on the long shaft 16 at equal intervals in the axial direction of the long shaft 16, and the structures at two ends of the long shaft 16 are symmetrically distributed; the connecting rods 11 are connected with the pinion gears 14 to enable the pinion gears 14 to move stably and synchronously, the fixed shafts 10 penetrate through the connecting rods 11 and are connected with the large gears 13 in a key manner, bulges are arranged on the fixed shafts 10, and the fixed shafts 10 are fixed on a harvester through the bulges so that the large gears 13 are fixed; the first motor 2 is connected with the planetary gear type seedling device 1 through the belt.
7-9, in a preferred embodiment of the present invention, the bottom frame 43 is connected to the grass breaking mechanism 41 through the screw conveyor 42, the front end of the bottom frame 43 is in a shape of a bushing, and is provided with uniformly distributed hollowed-out parts, the rear end of the bottom frame 43 is a sliding table container with a bottom surface inclined downward and rightward when seen from front to back, and a circular hollowed-out part is arranged at the lower right for connecting the screw conveyor 42, and the screw conveyor 42 drives a screw rod to perform screw transmission through a motor; the grass breaking mechanism 41 comprises a machine shell 46 (shown in fig. 8), rivets 47, screws 48, blades 49, a rotating rod 50, bearings 51, pulleys 36 and a support 52, wherein the blades 49 are connected with the rotating rod 50 through the screws 48, the bearings 51 and the pulleys 36 are arranged at two ends of the rotating rod 50, the support 52 is arranged on the outer ring of the bearings 51, the support 52 is fixed with the machine shell 46 through the rivets 47, and the inner structure of the machine shell 46 comprises a feed inlet, a crushing opening and a discharge outlet; the discharge hole of the grass crushing mechanism 41 is provided with a direct vibrator 45 with a material tray, the direct vibrator 45 with the material tray is provided with a material tray with a hollow groove, the grass crushing mechanism 41 is connected with the motor II 7 through the belt 37, the discharge hole at the lower end of the grass crushing mechanism 41 is provided with the air blowing device 44, the blowing device 44 is composed of a blowing shell and a fan wheel, the blowing device 44 is connected with the rotating rod 50 on the grass breaking mechanism 41 through the belt 37, and the blowing device 44 blows off the grass breaking mechanism during blanking, so that a blanking homogenization effect is achieved.
As shown in fig. 10, in a preferred embodiment of the present invention, the soil turning device 5 includes a first bevel gear 29, a second bevel gear 30, a third bevel gear 31, a fourth bevel gear 32, a chain universal joint 33, a crushing roller 34, a soil turning roller 35, a belt wheel 36, a belt 37, a hydraulic rod 38, a universal joint support 39, and a bevel gear support 40; the bevel gear bracket 40 is a main body bracket 52, and the first bevel gear 29, the second bevel gear 30, the third bevel gear 31 and the fourth bevel gear 32 are arranged in a cross shape in the bevel gear bracket 40 and meshed with each other, wherein the first bevel gear 29 is a driving wheel; the chain universal joint 33 is respectively connected with the bevel gear II 30 and the bevel gear III 31, the chain universal joint 33 is arranged in the universal joint bracket 39, the chain universal joint 33 is formed by connecting a plurality of universal joints in a chain manner, the hydraulic rod 38 is arranged below the universal joint bracket 39 and used for controlling the depth of the crushing roller 34 for crushing soil, the other end of the chain universal joint 33 is connected with the crushing roller 34, and the front and rear crushing rollers 34 are arranged in a staggered manner; the soil turning rollers 35 are arranged between the crushing rollers 34, and the belt wheels 36 are driven by a motor on the yam bean harvester to drive the soil turning rollers 35 to rotate.
In a preferred embodiment of the invention, as shown in fig. 11-12, the excavating device 9 comprises a potato excavating shovel, a helical roller and a conveyor belt; the yam bean digging shovel comprises a shovel shell a1, an upper hollowed-out layer a2, a soil contact shovel surface a3, a soil entering shovel tooth a4 and a lower hollowed-out layer a5; the shovel body is in a bucket shape, wherein the soil contact shovel surface a3 and the upper hollowed-out layer a2 are positioned on the front surface of the shovel, the lower hollowed-out layer a5 is positioned on the back surface of the shovel, the lower hollowed-out layer a5 is fixedly connected with the soil contact shovel surface a3, the soil entering shovel tooth a4 is positioned at the front end of the shovel, and the soil contact shovel surface a3 is arranged between the soil entering shovel tooth a4 and the upper hollowed-out layer a2 to play a role in connection; the soil contact shovel surface a3 is formed by arranging partial spherical outer shells transversely, the spherical outer shells are connected smoothly, and gaps are formed between the spherical outer shells, so that the soil contact shovel surface can be used for reducing excavation resistance and facilitating soil deployment and separation; the upper hollowed-out layer a2 and the lower hollowed-out layer a5 are provided with regularly arranged hollowed-out parts; the shovel shell a1 is coated on the outer ring of the shovel, the top end of the shovel shell a1 is rectangular, transits to the bottom end through an arc, and is fixedly connected with the upper hollowed-out layer a2 and the lower hollowed-out layer a5; the range of the wedge angle of the digging shovel for entering the soil is as follows: [30 DEG, 55 DEG ], the clearance angle range of the cutting edge of the entering shovel tooth a4 is: [5 °,8 ° ]; the spiral roller is arranged in the potato digger, a convex plate is arranged at one end of the spiral roller, which is close to the conveying belt, and is used for poking the potatoes on the conveying belt, the conveying belt is fixedly arranged at the rear end of the frame 8 through a hydraulic rod 38, and the potato collecting and storing device 3 is arranged in the middle of the frame 8 and is positioned at the tail end of the conveying belt.
In a preferred embodiment of the invention as shown in fig. 4 and 5, the yam bean collecting and storing device 3 comprises a storing bin and a base; the storage bin is arranged at the upper end of the base, a flower-shaped hollowed-out gap is formed in the bottom surface of the storage bin, hollowed-out gaps are also formed in the side bag surface of the storage bin in a spiral coil shape, a partition plate is arranged in the storage bin, hollowed-out gaps are uniformly distributed on the partition plate, and the width range of the hollowed-out gaps arranged in the storage bin is between [2.5,4.5] cm; the base comprises a supporting disc 19, a small pawl 20, a first cylinder 21, a supporting frame 22, a vibrator 23, a small ratchet wheel 24, a large ratchet wheel 25, a large pawl 26, a bolt 27 and a second cylinder 28; the small pawl 20 is hydraulically connected with the first cylinder 21, and the small pawl 20 is connected with the small ratchet wheel 24; the large pawl 26 is hydraulically connected with the second cylinder 28, and the large pawl 26 is connected with the large ratchet wheel 25; the first cylinder 21 pushes the small pawl 20 to drive the small ratchet wheel 24 to rotate by an angle, and the second cylinder 28 drives the large pawl 26 to clamp and position the large ratchet wheel 25 by an angle; the supporting plate 19 is arranged on the base through the supporting frame 22, the circumference of the supporting plate 19 is supported by the supporting frame 22, the compression resistance and stability of the supporting plate 19 are improved, and the pressure for collecting and storing the yam beans on the supporting plate 19 can be shared while the supporting plate 19 is ensured to be horizontal; the direct vibrators 23 are symmetrically distributed on the base; the large ratchet wheel 25 is connected with the storage bin through the bolt 27, and the bottom surface of the storage bin is positioned on the same plane with the large ratchet wheel 25, the surface of the supporting disc 19 and the surface of the vibrator 23; the first cylinder 21 and the second cylinder 28 are used for driving the ratchet pawls so that the storage bin 17 intermittently rotates at an accurate angle and shakes off under the vibration of the direct vibrator 23 to remove residual mud and dirt of the potato, the potato is separated and stored, the effect of removing the residual mud and dirt is achieved, and the double ratchet pawl form enables the structure to be more stable and reliable and high in precision. The invention has the following advantages: the planetary gear type seedling device integrates multiple functions of seedling beating, digging, collecting, storing, removing mud, returning straw to the field and the like, has a simple, firm and compact design structure, and effectively reduces energy consumption during seedling beating; the soil turning device is designed to control the soil turning depth, so that the potato is not easy to damage while the soil is fully renovated, the structure is simple, the operation is convenient, and the soil turning efficiency is high; the design of the potato digger can effectively reduce the adverse effects of large digging resistance, unsatisfactory potato soil separation effect and the like of the digger in the potato digging process, can obviously improve the working efficiency of potato harvesting machinery, has low energy consumption and material saving, and improves the drag reduction performance by more than 40 percent compared with the traditional digger; the design of the yam bean collecting and storing device reasonably stores the yam beans when collecting and storing the yam beans, is beneficial to removing the residual dirt of the yam beans, and has low cost, easy control, convenient manufacture and reliable movement; the design of the straw returning device is to apply fertilizer in a matching way through the direct smashing and returning mode of the straw, and blow and scatter the fertilizer evenly, increase soil organic matters, increase fertility, change soil structure, improve water storage and energy conservation capacity, realize the synergy of agricultural production cost, fully reserve nutrient substances of the straw in the soil and improve the efficiency of straw returning.

Claims (8)

1. The potato harvester integrating the functions of threshing, digging, collecting, storing, removing mud and returning straw to the field is characterized by comprising a planetary gear type seedling threshing device (1), a motor I (2), a potato collecting, storing device (3), wheels (4), a soil turning device (5), a straw returning device (6), a motor II (7), a frame (8) and a digging device (9);
the frame (8) is a main body support, and the planetary gear type seedling device (1), the motor I (2), the yam bean collecting and storing device (3), the soil turning device (5), the straw returning device (6), the motor II (7) and the excavating device (9) are all arranged on the frame (8);
wheels (4) are symmetrically arranged on two sides of a frame (8), a planetary gear type seedling device (1) is arranged at the upper end of a bottom frame (43) of the frame (8) and is positioned at the front end of the frame (8), a motor I (2) is connected with the planetary gear type seedling device (1) through a belt, the bottom frame (43) is connected with a grass breaking mechanism (41) of the straw returning device (6) through a spiral conveyor (42), the front end of the bottom frame (43) is in a bush shape, evenly distributed hollows are arranged on the bottom frame, the rear end of the bottom frame (43) is a slipway container with a downward inclined bottom surface, a circular hollowness is arranged at the lower end of the slipway and is used for being connected with the spiral conveyor (42), and the spiral conveyor (42) drives a spiral rod through the motor to carry out spiral conveying;
the grass crushing mechanism (41) is connected with the motor II (7) through a belt, the soil turning device (5) and the excavating device (9) are driven by the motor II (7), the yam bean collecting and storing device (3) is arranged in the middle of the frame (8), and the excavating device (9) is positioned at the rear end of the frame (8);
the excavating device (9) comprises a potato excavating shovel, a spiral roller and a conveying belt; the potato digging shovel comprises a shovel shell (a 1), an upper hollowed-out layer (a 2), a soil contact shovel surface (a 3), a soil entering shovel tooth (a 4) and a lower hollowed-out layer (a 5); the shovel body is in a bucket shape, wherein the soil contact shovel surface (a 3) and the upper hollowed-out layer (a 2) are positioned on the front surface of the shovel, the lower hollowed-out layer (a 5) is positioned on the back surface of the shovel, the lower hollowed-out layer (a 5) is fixedly connected with the soil contact shovel surface (a 3), the soil entering shovel teeth (a 4) are positioned at the front end of the shovel, and the soil contact shovel surface (a 3) is arranged between the soil entering shovel teeth (a 4) and the upper hollowed-out layer (a 2) to play a role in connection; the soil contact shovel surface (a 3) is formed by arranging partial spherical outer shells transversely, the spherical outer shells are connected smoothly, and gaps are formed between the spherical outer shells, so that the soil contact shovel surface can be used for reducing digging resistance and facilitating soil deployment and separation; the upper hollowed-out layer (a 2) and the lower hollowed-out layer (a 5) are provided with regularly arranged hollowed-out parts; the shovel shell (a 1) is coated on the outer ring of the excavating shovel, the top end of the shovel shell (a 1) is rectangular, transits to the bottom end through an arc, and is fixedly connected with the upper hollowed-out layer (a 2) and the lower hollowed-out layer (a 5); the range of the wedge angle of the digging shovel for entering the soil is as follows: [30 DEG, 55 DEG ], the clearance angle range of the cutting edge of the entering shovel tooth (a 4) is: [5 °,8 ° ]; the spiral roller is arranged in the potato digger, a convex plate is arranged at one end of the spiral roller, which is close to the conveying belt, and is used for poking the potato on the conveying belt, the conveying belt is fixedly arranged at the rear end of the frame (8) through a hydraulic rod (38), and the potato collecting and storing device (3) is arranged in the middle of the frame (8) and is positioned at the tail end of the conveying belt.
2. The potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning as claimed in claim 1, wherein the planetary gear type seedling beating device (1) comprises a fixed shaft (10), a connecting rod (11), a driving wheel (12), a large gear (13), a small gear (14), a seedling beating strip (15) and a long shaft (16), the inner ring of the driving wheel (12) is provided with tooth grooves, the outer ring is provided with grooves, the small gear (14) is circumferentially distributed between the large gear (13) and the driving wheel (12) and is meshed with the large gear (13) and the driving wheel (12) respectively, and the small gear (14) is connected with the long shaft (16) in a key way; the seedling beating strips (15) are arranged on the long shaft (16), the seedling beating strips (15) are uniformly distributed at equal intervals in the axial direction of the long shaft (16), and the structures at the two ends of the long shaft (16) are symmetrically distributed; the connecting rods (11) are connected with the pinion gears (14) to enable the pinion gears to move stably and synchronously, the fixed shafts (10) penetrate through the connecting rods (11) to be connected with the large gears (13) in a key mode, protrusions are arranged on the fixed shafts (10), and the fixed shafts (10) are fixed on the harvester through the protrusions to enable the large gears (13) to be fixed.
3. The potato harvester integrating functions of threshing, digging, collecting, storing, removing mud and returning straws into fields as claimed in claim 1, wherein the grass crushing mechanism (41) comprises a machine shell (46), rivets (47), screws (48), blades (49), a rotating rod (50), a bearing (51), a belt wheel (36) and a bracket (52), the blades (49) are connected with the rotating rod (50) through the screws (48), the two ends of the rotating rod (50) are respectively provided with the bearing (51) and the belt wheel (36), the bracket (52) is arranged on the outer ring of the bearing (51), the bracket (52) is fixed with the machine shell (46) through the rivets (47), and the inner structure of the machine shell (46) comprises a feed inlet, a crushing opening and a discharge opening; the utility model provides a garrulous grass mechanism (41) discharge gate department is equipped with the direct vibrator (45) of taking the charging tray, is equipped with the charging tray that contains the hollow groove on the direct vibrator (45) of taking the charging tray, and the lower extreme discharge gate department of garrulous grass mechanism (41) is equipped with blast apparatus (44), and blast apparatus (44) are become by blast shell and fan wheel group, and blast apparatus (44) are connected with rotary rod (50) on garrulous grass mechanism (41) through belt (37), and blast apparatus (44) blows off it during the blanking, plays the effect of falling material homogenization.
4. The potato harvester integrating seedling beating, excavating, collecting, storing, mud removing and straw returning as set forth in claim 1, wherein the soil turning device (5) comprises a first bevel gear (29), a second bevel gear (30), a third bevel gear (31), a fourth bevel gear (32), two chain universal joints (33), two crushing rollers (34), a soil turning roller (35), a belt wheel (36), a belt (37), a hydraulic rod (38), a universal joint bracket (39) and a bevel gear bracket (40);
the bevel gear bracket (40) is a main body bracket, the first bevel gear (29), the second bevel gear (30), the third bevel gear (31) and the fourth bevel gear (32) are arranged in a cross shape in the bevel gear bracket (40) and meshed with each other, wherein the first bevel gear (29) is a driving wheel; the two chain universal joints (33) are respectively connected with the bevel gear II (30) and the bevel gear III (31), the chain universal joints (33) are arranged in the universal joint support (39), the chain universal joints (33) are formed by connecting a plurality of universal joints in a chain manner, the hydraulic rod (38) is arranged below the universal joint support (39) and used for controlling the depth of the crushing roller (34) for crushing soil, the other end of the chain universal joint (33) is connected with the crushing roller (34), and the front crushing roller and the rear crushing roller (34) are arranged in a staggered manner; the soil turning roller (35) is arranged between the two crushing rollers (34), and the belt wheel (36) is driven by a motor to drive the soil turning roller (35) to rotate.
5. The potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning as set forth in claim 1, wherein the potato collecting, storing device (3) comprises a storing bin and a base; the storage bin is arranged at the upper end of the base, a flower-shaped hollowed-out gap is formed in the bottom surface of the storage bin, the side bag of the storage bin is spiral and disc-shaped, hollowed-out gaps are also formed in the side bag of the storage bin, a partition plate is arranged in the storage bin, uniformly distributed hollowed-out gaps are formed in the partition plate, and the width range of the hollowed-out gaps arranged in the storage bin is between [2.5,4.5] cm;
the base comprises a supporting disc (19), a small pawl (20), a first cylinder (21), a supporting frame (22), a direct vibrator (23), a small ratchet wheel (24), a large ratchet wheel (25), a large pawl (26), a bolt (27) and a second cylinder (28); the small pawl (20) is hydraulically connected with the first cylinder (21), and the small pawl (20) is connected with the small ratchet wheel (24); the large pawl (26) is hydraulically connected with the second cylinder (28), and the large pawl (26) is connected with the large ratchet wheel (25); the first cylinder (21) pushes the small pawl (20) to drive the small ratchet wheel (24) to rotate by an angle, and the second cylinder (28) drives the large pawl (26) to clamp and position the large ratchet wheel (25) by an angle; the supporting plate (19) is arranged on the base through the supporting frame (22), the circumference of the supporting plate (19) is supported by the supporting frame (22), the compression resistance and stability of the supporting plate (19) are improved, and the pressure for collecting and storing the yam beans on the supporting plate (19) can be shared while the supporting plate (19) is ensured to be horizontal; the direct vibrators (23) are symmetrically distributed on the base; the large ratchet wheel (25) is connected with the storage bin (17) through the bolts (27), and the bottom surface of the storage bin (17) is in the same plane with the large ratchet wheel (25), the surface of the supporting disc (19) and the surface of the direct vibrator (23).
6. The potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning as set forth in claim 2, wherein the seedling beating strips on the planetary gear type seedling beating device are any one of quincuncial distribution and herringbone distribution, the grooves on the driving wheel on the seedling beating device are any one of V-shaped grooves, circular grooves or rectangular grooves, and the driving wheel is a driving wheel.
7. The potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning as set forth in claim 3, wherein the discharge port of the grass crushing mechanism is provided with a direct vibrator with a material tray, and the fertilizer on the direct vibrator with the material tray is any one of ammonium bicarbonate, calcium superphosphate, common phosphate fertilizer, nitrogen fertilizer or mixture of phosphate fertilizer and nitrogen fertilizer.
8. The potato harvester integrating seedling beating, digging, collecting, storing, mud removing and straw returning as set forth in claim 1, wherein the part of the sphere shell on the soil contact shovel surface is one quarter to one fifth of the sphere shell.
CN201810580184.1A 2018-06-07 2018-06-07 Bean potato harvester integrating seedling beating, digging, collecting, storing, mud removing, straw returning and field returning Active CN108513786B (en)

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