CN210406218U - Lily bulb combine harvester - Google Patents
Lily bulb combine harvester Download PDFInfo
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- CN210406218U CN210406218U CN201921260305.0U CN201921260305U CN210406218U CN 210406218 U CN210406218 U CN 210406218U CN 201921260305 U CN201921260305 U CN 201921260305U CN 210406218 U CN210406218 U CN 210406218U
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Abstract
The utility model relates to a lily bulb combine harvester, including frame and the excavating gear of setting in the frame, carry separator, turn to conveyor, vertical elevating gear, collecting box and transmission, frame work front end is arranged in to the excavating gear for excavate the lily bulb, be close to the tail end setting in the frame bottom and turn to conveyor, be provided with at frame bottom excavating gear and turn to between conveyor and carry separator, set up the collecting box at the frame top, vertical elevating gear arranges the frame in terminally, and its transport end is higher than the collecting box top, and transmission connects respectively and drives excavating gear, carries separator, turns to conveyor and vertical elevating gear, turns to on conveyor will carry the lily bulb that separator carried and transmits to vertical conveyor, carries to the collecting box in through vertical conveyor.
Description
Technical Field
The invention relates to a lily bulb combine harvester, and belongs to the technical field of harvesting machinery.
Background
The lily has high medicinal value and ornamental value, the lily planting area shows a trend of increasing year by year along with the enhancement of health consciousness of people, statistics shows that the lily planting area is increased to 30 ten thousand mu by 2015 in China, and the lily planting area is mainly concentrated in Jiangxi, Jiangsu and Gansu areas. With the continuous expansion of the lily industry, the mechanization of the production process thereof has become a demand of the market. Particularly, the lily bulb harvesting machine is easy to damage in the harvesting process because the lily bulbs do not protect the epidermis and the bulb tissues are directly contacted with the soil, the lily bulbs are harvested in China mainly by manual picking at present, the labor cost of the manual picking is gradually increased along with the increase of the yield, and meanwhile, a lily bulb harvesting machine which is popularized and applied is not found in the market, so that the lily bulb combined harvester with low damage and suitability for the existing lily planting agriculture is designed.
Disclosure of Invention
In view of the above technical problems, the present invention aims to provide a low damage lily bulb combine harvester, which can implement digging, conveying, separating and collecting operations at one time.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a lily bulb combine harvester which comprises a rack, an excavating device, a conveying and separating device, a steering conveying device, a vertical lifting device, a collecting box and a transmission device, wherein the excavating device, the conveying and separating device, the steering conveying device, the vertical lifting device, the collecting box and the transmission device are arranged on the rack, the excavating device is arranged at the front working end of the rack and used for excavating lily bulbs, the steering conveying device is arranged at the bottom of the rack close to the tail end, the conveying and separating device is arranged between the excavating device and the steering conveying device, the collecting box is arranged at the top end of the rack, the vertical lifting device is arranged at the tail end of the rack, the conveying tail end of the vertical lifting device is higher than the top of the collecting box, the transmission device is respectively connected with and drives the excavating device, the conveying and separating device, the steering conveying and separating device and the vertical lifting.
Preferably, the excavating device comprises a plurality of excavating shovels and a fixed shovel frame which are arranged in parallel, the shovel frame is obliquely fixed at the front working end of the frame, the inclination angle between the shovel frame and the horizontal plane is consistent with the included angle between the rear section of each excavating shovel and the horizontal plane, the rear end of each excavating shovel is connected with the shovel frame, and the distance between every two adjacent excavating shovels is less than 30 mm; the digging shovel is a two-stage digging shovel, the front section of the digging shovel and waterThe included angle α of the plane is 20-30 degrees, the included angle β of the rear section of the shovel and the horizontal plane is 30-35 degrees, the total height H of the digging shovel is 150-200mm, and the height H of the front section of the shovel 11/5-1/4 of the total height H, and the width W of the shovel is 60-100 mm.
Preferably, the conveying and separating device comprises a driving roller, a driven roller and an elevating belt, wherein the driving roller is connected with the transmission device, the elevating belt is wound on the peripheries of the driving roller and the driven roller, the elevating belt is a connecting rod type conveying belt and is obliquely arranged, the inclined angle between the elevating belt and the horizontal plane is 20-30 degrees, the material output end is higher than the input end, and the spacing distance between two adjacent connecting rods is smaller than the diameter of the lily bulb.
Preferably, a shaker is arranged on the rack on the bottom rotating belt side of the connecting rod type conveying belt, a shaking part of the shaker is arranged on the bottom rotating belt, and the distance L between the shaker and the lowest end of the connecting rod type conveying belt is equal to the distance L between the shaker and the lowest end of the connecting rod type conveying belt1The conveying length L of the whole connecting rod type conveying belt is 3/10-2/5, the rotating speed of the shaker is not more than 250r/min, and when the shaker works, the connecting rod type conveying belt is shaken in the conveying process to remove soil and impurities on the lily bulbs.
Preferably, the steering conveying device is a roller brush, and a driving wheel connected with the vertical lifting device is arranged on a roller brush shaft of the steering conveying device.
Preferably, the vertical lifting device comprises a vertical support frame, a lifting chain, scrapers, a lifting chain driving shaft, a lifting chain driven shaft, a steering wheel shaft and a tensioning wheel shaft, wherein the lifting chain consists of a vertical section and a top inclined section, a plurality of scrapers for carrying lily bulbs are arranged on the lifting chain driving shaft at equal intervals, the bottom end of the vertical support frame is provided with the lifting chain driving shaft connected with the transmission device, the top end of the vertical support frame is provided with the lifting chain driven shaft, the steering wheel shaft is arranged at the corner of the lifting chain, the lifting chain is sleeved on the peripheries of chain wheels on the lifting chain driving shaft, the lifting chain driven shaft and the steering wheel shaft, the tensioning wheel shaft is arranged on the vertical support frame close to the bottom and the upper end of the lifting chain, and the tensioning wheel shaft is arranged on the.
Preferably, the scraper is provided with a plurality of holes for screening soil blocks, and the inclined angle between the surface of the scraper for bearing the lily bulbs and the horizontal plane is 15-25 degrees.
Preferably, an inclined plate is arranged between the vertical support frame and the collection box of the vertical section and the top inclined section of the vertical lifting device, the lily bulbs running to the scraper of the inclined section slide into the collection box along the inclined plate, and the height of the interior of the collection box is not more than 300 mm.
Preferably, the periphery of the connecting rod type conveying belt, the periphery of the lifting chain of the vertical lifting device, the periphery of the roller brush of the steering conveying device, the surface of the scraper contacting the lily bulbs, the surface of the inclined plate, the bottom of the collecting box and the inner wall are all provided with flexible layers.
Preferably, the anti-winding device is further arranged on two sides of the working front end of the rack and comprises two symmetrically arranged rollers, bevel gears are arranged at the top ends of shafts of each roller and are respectively meshed with the bevel gears at two ends of the transmission shaft for transmission, one end of the transmission shaft is connected with an output shaft of the gearbox through belt transmission, the two rollers are driven to rotate in opposite directions to the outer side of the rack through rotation of the transmission shaft, 2-4 protruding ribs are fixed on the periphery of each roller to form a cutter bar, the protruding ribs extend from the bottom end of each roller to the top end, and the length of each protruding rib is 200-250 mm.
The invention has the beneficial effects that:
1. the utility model discloses can once only accomplish the three process of excavation, separation, results of lily, reduce a large amount of human labor. The utility model has the characteristics of easy operation, easy maintenance, with low costs, whole machine size is little, extensive applicability etc.
2. The digging shovel of the invention adopts a two-stage digging shovel, thus improving the soil crushing capability. The lifting separation device adopts an amplitude-adjustable active shaker, and is suitable for various soils. And brushing the soil blocks and the lily bulbs passing through the primary bar-type lifting belt onto a scraper plate of a vertical lifting chain by using a roller brush, and further separating the lily bulbs from the soil blocks. The vertical lifting chain type conveying device utilizes the upper space of the machine, and the size of the whole machine is greatly reduced.
3. The anti-winding device is arranged in front of the whole machine, when the machine works, the rollers are driven by the belt wheel of the transmission device to rotate towards the outer side of the machine, the rotating directions of the two rollers are opposite, and weeds wound at the front ends are cut off by the cutter bar under the action of radial force, so that further winding is avoided, and the anti-winding effect is achieved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a schematic diagram of the transmission of fig. 1.
Fig. 5 is a schematic view of the construction of the excavating blade of fig. 1.
Fig. 6 is a top view of fig. 5.
In the figure: 1. the excavator comprises a digging shovel, a shovel front section, a shovel rear section, a depth wheel, a shovel frame, a driven roller, a lifting belt, a conveying separating device, a shaker, a driving roller, a roller brush, a roller shaft, a ground wheel, a scraping plate, a driving roller shaft, a collecting box, a frame, a speed changing box, a roller, a cutter bar, a belt pulley, a lifting chain, a driving chain, a vertical supporting frame, a driving chain wheel, a tilting plate, a chain wheel, a lifting chain, a driving shaft, a driving chain driving shaft, a lifting chain driving shaft, a driving chain I, a driving chain 29, a driving chain III, a driving chain IV, a driving chain 32, a driving chain V, a supporting rod I, a supporting rod II, a steering chain driving shaft, a wheel shaft.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example 1: as shown in figures 1-3, the invention relates to a lily bulb combine harvester, which comprises a frame 14, an excavating device, a conveying and separating device, a steering conveying device, a vertical lifting device, a collecting box 13 and a transmission device, wherein the excavating device, the conveying and separating device, the steering conveying device, the vertical lifting device, the collecting box 13 and the transmission device are arranged on the frame 14, the excavating device is arranged at the front working end of the frame 14 and is used for excavating lily bulbs, the steering conveying device is arranged at the bottom of the frame 14 and is close to the tail end, the conveying and separating device is arranged between the excavating device at the bottom of the frame 14 and a roller brush 9 of the steering conveying device, the collecting box 13 is arranged at the top end of the frame 14, the vertical lifting device is arranged at the tail end of the frame 14, the conveying tail end of the vertical lifting device is higher than the top of the collecting box 13, the transmission, conveyed by vertical conveying means into a collecting bin 13.
As shown in figures 1, 5 and 6, the digging device comprises a plurality of digging shovels 1 and shovel frames 3 which are arranged in parallel, the shovel frames 3 are welded at the front working end of the rack 14 in an inclined mode, the inclined angle between the shovel frames 3 and the ground is consistent with the included angle between the rear section 1b of each digging shovel and the horizontal plane, the digging shovels 1 are connected to the shovel frames 3 in parallel through bolts and convenient to replace, the distance between the adjacent digging shovels 1 is smaller than 30mm, in the example, the included angle is 26mm, and lily can be shoveled, the digging shovels 1 are two-level digging shovels which are more beneficial to soil crushing, the rear ends of the digging shovels are connected with the shovel frames, the digging shovels 1 are two-level digging shovels, the included angle α between the front section 1a of each digging shovel and the horizontal plane is 28 degrees, the included angle β between the rear section 1b of each digging shovel and the horizontal plane is 30 degrees, the overall height H of the digging shovels 11/4 for total height H, its shovel width W is in the range of 70mm according to the three-axis dimensions of the lily.
As shown in fig. 1-3, the conveying and separating device includes a driving roller 8, a driven roller 4 and an elevating belt 5, the driving roller 8 is connected with a transmission device, the driving roller 8 is connected with the driven roller 4 through the elevating belt 5, the driving roller 8 is connected with the transmission device through a transmission chain, the elevating belt 5 is a link-type conveyor belt, a link on the link protrudes out of the plane of the elevating belt 5 to prevent the lily bulbs from rolling, the elevating belt 5 is obliquely arranged, the inclination angle between the elevating belt and the horizontal plane is 20-30 degrees, the material output end is higher than the input end, the lily bulbs can be smoothly conveyed backwards, the lily bulbs can be separated from the soil block, the spacing distance between two adjacent links is smaller than the diameter of the lily bulbs, and the lily bulbs are conveyed obliquely upwards of the rack 14 through the conveying and separating device. An active shaker 7 is arranged on a rack 14 on the bottom rotating belt side of the connecting rod type conveying belt, the shaker 7 is an outsourcing part, a shaker rotating shaft 24 is installed on the rack 14, a shaking part of the shaker 7 is arranged on the bottom rotating belt, three rows of chain wheels 23 are arranged at one end of the shaker rotating shaft 24 and connected with the three rows of chain wheels 23 on the lifting conveying belt driving roller 8 through a driving chain III 30, chain transmission of the three chain wheels with different transmission ratios is designed, the chain transmission with different transmission ratios can be selected according to soil conditions, and therefore the vibration amplitude of the shaker 7 is changed so as to be suitable for various kinds of soil. When the shaking device 7 works, the connecting rod type conveyer belt shakes in the conveying process to remove soil and impurities on the lily bulbs. The driving roller 8, the driven roller 4 and the shaker rotating shaft 24 are all installed on the frame 14 through bearing seats.
As shown in fig. 1-3, the steering conveying device is a roller brush 9, a driving wheel connected with the vertical lifting device is arranged on a roller brush shaft 9 of the roller brush 9, the driving wheel is connected with the vertical lifting device through a driving chain iv 32, the roller brush 9 is of a conventional structure and comprises a roller core, a nylon tube and bristles, two ends of the roller brush shaft 91 are fixed on the frame 14 through bearing seats, the roller core is connected with the roller brush shaft 91 through a flat key, so that the roller core is sleeved on the roller brush shaft 91, the nylon tube is sleeved on the roller core, the bristles are made of nylon wires, and the nylon wires are planted on the nylon tube through a hair planting machine. In the embodiment, the roller brush 9 is adopted, so that the lily can be conveyed to the vertical lifting chain 19, and the effect of further separation is achieved by utilizing the specific gravity difference between the soil blocks and the lily balls.
As shown in fig. 1-3, the vertical lifting device comprises a vertical support frame 20, a lifting chain 19, a lifting chain driving shaft 26, a lifting chain driven shaft 27, a steering wheel shaft 35, a tensioning wheel shaft i 36 and a tensioning wheel shaft ii 37, wherein the frame of the top of the vertical support frame 20 close to the collecting box 13 is provided with an inclined plane, the lifting chain driven shaft 27 is installed on the frame through a bearing seat, a support rod i 33 and a support rod ii 34 are respectively arranged at the positions of the vertical support frame 20 higher than the top and close to the bottom of the collecting box 13, an inclined plate 22 is arranged opposite to the side of the collecting box 13, the collecting box 13 is connected through the inclined plate 22, the steering wheel shaft 35 is arranged on the support rod i 33, the tensioning wheel shaft i 36 is arranged on the support rod ii 34, the tensioning wheel shaft ii 37 is installed on the vertical support rod of the vertical support frame 20 through a bearing seat, the tensioning wheel shaft ii 37 is higher than the, the lifting chain 17 is used for tensioning the lifting chain 17, the lifting chain 17 is sleeved on the peripheries of chain wheels on the steering wheel shaft 35, the lifting chain driven shaft 27 and the lifting chain driving shaft 26, a tensioning wheel on a tensioning wheel shaft I36 is arranged on the outer side of the lifting chain 17, a tensioning wheel on a tensioning wheel shaft II 37 is arranged on the inner side of the lifting chain 17 and used for tensioning the lifting chain 17, a plurality of scraping plates 11 for carrying lily bulbs are arranged on the lifting chain 17 at equal intervals, and the chain wheel 21 arranged on the lifting chain driving shaft 26 is connected with the chain wheel on the roller brush shaft 91 through a driving chain IV 32. In the embodiment, the scraper 11 is made of plastic, so that the weight of the whole machine is reduced, and the scraper 11 is provided with a plurality of holes, so that the weight is reduced conveniently, and soil blocks are sieved off; the inclined angle between the surface of the scraper for bearing the lily bulbs and the horizontal plane is 20 degrees, so that the lily bulbs are prevented from sliding off in the lifting process; the inclination angle of the collecting box meets the requirement that the lily can not slide off in the vertical lifting process, and meanwhile, the collecting box 13 can be ensured to smoothly slide into the inclined position at the top.
The inclined plate 22 is positioned between the vertical support frame 20 and the collection box 13, and the lily bulbs running to the scraper 11 of the inclined section slide into the collection box 13 along the inclined plate 22. The structural design of the vertical lifting device reduces the length of the whole machine.
Rubber layers are arranged on the periphery of the connecting rod type conveying belt, the periphery of the lifting chain 19 of the vertical lifting device and the bottom of the collecting box 13, and play a role in buffering so as to reduce damage to the lilies.
The working front end of the frame 14 is also provided with a depth limiting wheel 2 which is connected to the frame 14 at the two sides of the digging shovel 1 through a fixed frame, and the digging depth of the digging shovel 1 is controlled through profiling the ground; the rear end of the frame 14 is provided with a ground wheel 10 which supports the frame 14 to run.
As shown in fig. 1-3, the two sides of the working front end of the frame are further provided with anti-winding devices, the anti-winding devices comprise two symmetrically arranged rollers 16, the top end of each roller shaft is provided with a bevel gear which is respectively engaged with the bevel gears at the two ends of the transmission shaft 25 for transmission, the transmission shaft 25 is connected with an output shaft of the gearbox 15 through belt transmission, the transmission shaft 25 rotates to drive the two rollers to reversely rotate towards the outer side of the frame 14, 2-4 protruding ribs are fixed on the periphery of the rollers 16 to form cutter strips 17, and the cutter strips 17 extend from the bottom end to the top end of the rollers 16 and have the length of 240 mm. When the machine is in operation, the rollers 16 are driven by the belt wheel to rotate towards the outer side of the machine frame, the rotating directions of the two rollers 16 are opposite, and weeds wound at the front ends are cut off by the cutter strips under the action of radial force, so that the winding prevention effect is achieved.
As shown in fig. 4, the transmission device of this embodiment includes a transmission case 15, a belt transmission and 5 sets of chain transmissions, wherein one end of an output shaft of the transmission case 15 is provided with a transmission chain wheel and a belt wheel, the transmission belt is connected with the belt wheel on a transmission shaft 25 of the anti-winding device, the transmission chain I28 is connected with the chain wheel at one end of an elevating belt driving roller 8, the other end of the elevating belt driving roller 8 is provided with two sets of chain wheels, one set of chain wheels is connected with a roller brush shaft 91 through a transmission chain II 29, the other set of chain wheels is three rows of chain wheels, the three rows of chain wheels 23 on a shaker rotating shaft 24 are connected through a transmission chain III 30, the roller brush shaft 91 is connected with an elevating chain driving shaft 26 through a transmission chain IV 31, and the elevating chain driving shaft 26 is connected with an elevating chain shaft.
The working process of the invention is as follows:
the front working end of a frame 14 of the lily combine harvester is connected with a tractor through a three-point suspension bracket, and an operator controls the tractor to realize the operation of the lily combine harvester; the tractor output power shaft is connected with a gearbox 15, power is transmitted to a roller 16 and a conveying separation device of the anti-winding device through the gearbox 15 to drive an elevating belt 5 of the anti-winding device to rotate, a digging shovel 1 of the digging device shovels lily balls, the lily balls are shaken through the elevating belt 5 to remove soil and impurities, then the lily balls are conveyed to a roller brush 9 of a steering conveying device, are steered through the roller brush 9 to be conveyed to a scraper 11 of an elevating chain 19 of a vertical conveying device, are conveyed to the top through the elevating chain 19, slide down along an inclined section of the lily balls, and slide into a collecting box 13 through an inclined plate 22. Because the surfaces of the lifting belt 5, the scraper 11 and the inclined plate 22 and the bottom surface and the inner wall of the collecting box 13 are all provided with flexible surface layers, the damage rate of the lily bulbs is low.
In the embodiment, experimental research and simulation analysis are performed on the selection of each parameter. During design, in order to reduce damage of a machine to lily bulbs in a harvesting process, possible influence factors of a lily bulb recovery coefficient are tested and analyzed, the recovery coefficient is a coefficient reflecting deformation recovery capability of an object during collision, the recovery coefficient is defined as a ratio of a normal relative separation speed and a normal relative approach speed of the two objects at a contact point before and after collision, the method has important significance for damage research of the lily bulbs, and test results show that the factors influencing the lily bulb recovery coefficient sequentially comprise from major to minor: collision material, drop height, material thickness. In the design, a material with a larger coefficient of restitution, such as Q235, is used for conveying the separating component, and the bouncing height of the lily bulbs in the separating process is comprehensively considered to be not more than 300mm, so that the rotating speed of the shaker is controlled to be not more than 250 r/min. The scraper 11 of the vertical lifting component is made of material with low coefficient of restitution, such as plastic, or covered with a layer of material with low coefficient of restitution, such as rubber, etc., and the bottom of the collecting box is placed with foam plastic to reduce the damage of lily bulbs. As for the internal height of the collection box 13, the influence of the falling height on the recovery coefficient of the lily bulbs is fully considered, and the height of the collection box does not exceed 300mm, and 300mm is selected in the example.
In the embodiment, EDEM is used for carrying out simulation analysis on the separation stage of lily bulbs and soil in the harvesting process, from the damage mechanism, the damage conditions of the lily bulbs under different conditions are analyzed by taking the normal force, the collision frequency and the bouncing height after collision of the lily bulbs and machines as indexes, so as to achieve the best protection effect on the lily bulbs, parameters of the lily bulbs and soil are tested and consulted before analysis, the parameters comprise density, elastic modulus, Poisson ratio and the like, a lily bulb particle model is established, a conveying separation part model is simplified, an elastic-damping-sliding-frictional contact mechanical model is selected as a contact model, so that the inclination angles (18, 20, 22, 24, 26 and 28) of a lifting belt, the belt speeds (1.5, 1.8, 2.1, 2.3 and 2.5m/s) and the shaking machine rotating speeds (150, 160, 180, 200 and 220r/min) of the lily bulbs on a conveying separation device are changed to analyze the collision frequency of the lily bulbs on the conveying separation device, a spring height, whereby a combination is obtained which optimally reduces damage to the lily bulbs. The simulation result is as follows: the inclination angle between the lifting belt 5 and the horizontal plane is 22 degrees, the belt speed of the lifting belt 5 is 1.8m/s, and when the rotating speed of the shaker is 180r/min, the lily bulbs can be separated from the soil, and meanwhile, the low damage of the lily bulbs is guaranteed.
The inclination angle between the lifting belt 5 and the horizontal plane is 25 degrees, and the rotating speed of the shaker is 200 r/min. The distance L between the shaker arranged on the upper part and the lowest end of the connecting rod type conveying belt1The entire link belt is conveyed 3/10 of length L. The inclined angle between the surface of the scraper plate of the vertical lifting device for bearing the lily bulbs and the horizontal plane is 15 degrees. The cutter strip of anti-winding device's roller periphery is 2, extends to the top by the roller bottom, and length is 200 mm. The internal height of the collection tank 13 is 250 mm.
Embodiment 3 the difference between the present embodiment and embodiment 1 is that the rear end of the digging shovel is connected with a shovel frame, the distance between adjacent digging shovels is 25mm, the digging shovel is a two-level digging shovel, the included angle α between the front segment of the shovel and the horizontal plane is 20 degrees, the included angle β between the rear segment of the shovel and the horizontal plane is 30 degrees, the total height H of the digging shovel is 150mm, and the height H of the front segment of the shovel is 150mm 11/5 for the total height H, the shovel width W is 100 mm.
The inclination angle between the lifting belt 5 and the horizontal plane is 30 degrees, and the rotating speed of the shaker is 220 r/min. The distance L between the shaker arranged on the upper part and the lowest end of the connecting rod type conveying belt1The entire link belt is conveyed 2/5 of length L. The surface of the scraper plate of the vertical lifting device for bearing the lily bulbs and the horizontal plane have an inclination angle of 25 degrees. The cutter strips on the periphery of the roller of the anti-winding device are 2-4, extend from the bottom end to the top end of the roller and are 250mm in length. The internal height of the collection tank 13 is 200 mm.
Embodiment 4 the difference between the present embodiment and embodiment 1 is that the rear end of the digging shovel is connected with a shovel frame, the distance between adjacent digging shovels is 28mm, the digging shovel is a two-level digging shovel, the included angle α between the front segment of the shovel and the horizontal plane is 25 degrees, the included angle β between the rear segment of the shovel and the horizontal plane is 32 degrees, the total height H of the digging shovel is 180mm, and the height H of the front segment of the shovel is 180mm 19/40 for the total height H, the shovel width W is 80 mm.
The rotating speed of the shaking separator is controlled to be 250r/min in the embodiment. Sponge is placed at the bottom of the collection box to reduce the damage of the lily bulbs, and the height of the interior of the collection box is 220 mm.
The inclination angle between the lifting belt 5 and the horizontal plane is 30 degrees, and the distance L between the shaker arranged on the lifting belt 5 and the lowest end of the connecting rod type conveying belt is1The entire link belt is conveyed 1/3 of length L. The surface of the scraper of the vertical lifting device for bearing the lily bulbs and the horizontal plane have an inclination angle of 20 degrees. The cutter strips on the periphery of the roller of the anti-winding device are 2-4, extend from the bottom end to the top end of the roller and have the length of 230 mm.
Claims (10)
1. A lily bulb combine harvester is characterized in that: the lily bulb harvester comprises a rack, and an excavating device, a conveying and separating device, a steering conveying device, a vertical lifting device, a collecting box and a transmission device which are arranged on the rack, wherein the excavating device is arranged at the front working end of the rack and used for excavating lily bulbs, the steering conveying device is arranged at the bottom of the rack close to the tail end, the conveying and separating device is arranged between the excavating device and the steering conveying device at the bottom of the rack, the collecting box is arranged at the top end of the rack, the vertical lifting device is arranged at the tail end of the rack, the conveying tail end of the vertical lifting device is higher than the top of the collecting box, the transmission device is respectively connected with and drives the excavating device, the conveying and separating device, the steering conveying device and the vertical lifting device, and the steering conveying device transfers the lily bulbs conveyed by the conveying and separating device.
2. The lily bulb combine harvester as claimed in claim 1, wherein the digging device comprises a plurality of digging shovels and a fixed shovel frame which are arranged in parallel, the shovel frame is obliquely fixed at the front working end of the frame, the inclination angle between the shovel frame and the horizontal plane is consistent with the included angle between the rear section of the digging shovel and the horizontal plane, the rear end of the digging shovel is connected with the shovel frame, the distance between adjacent digging shovels is less than 30mm, the digging shovel is a two-step digging shovel, the included angle α between the front section of the shovel and the horizontal plane is 20-30 degrees, the included angle β between the rear section of the shovel and the horizontal plane is 30-35 degrees, the overall height H of the digging shovel is 150-200mm, and the height H of the front section of the11/5-1/4 of the total height H, and the width W of the shovel is 60-100 mm.
3. The lily bulb combine harvester according to claim 1, wherein: the conveying and separating device comprises a driving roller, a driven roller and an elevating belt, wherein the driving roller is connected with the transmission device, the elevating belt is wound on the peripheries of the driving roller and the driven roller, the elevating belt is a connecting rod type conveying belt and is obliquely arranged, the inclination angle between the elevating belt and the horizontal plane is 20-30 degrees, the material output end of the elevating belt is higher than the material input end, and the spacing distance between two adjacent connecting rods is smaller than the diameter of the lily bulb.
4. A lily bulb combine harvester according to claim 3, characterized in that: a shaker is arranged on the rack at the bottom rotary belt side of the connecting rod type conveying belt, a shaking part of the shaker is arranged on the bottom rotary belt, and the distance L between the shaker and the lowest end of the connecting rod type conveying belt is1The conveying length L of the whole connecting rod type conveying belt is 3/10-2/5, the rotating speed of the shaker is not more than 250r/min, and when the shaker works, the connecting rod type conveying belt is shaken in the conveying process to remove soil and impurities on the lily bulbs.
5. A lily bulb combine harvester according to claim 3, characterized in that: the steering conveying device is a roller brush, and a driving wheel connected with the vertical lifting device is arranged on a shaft of the roller brush.
6. The lily bulb combine harvester according to claim 1, wherein: the vertical lifting device comprises a vertical support frame, a lifting chain, scraping plates, a lifting chain driving shaft, a lifting chain driven shaft, a steering wheel shaft and a tensioning wheel shaft, wherein the lifting chain consists of a vertical section and a top inclined section, a plurality of scraping plates for carrying lily bulbs are arranged on the lifting chain driving shaft at equal intervals, the bottom end of the vertical support frame is provided with the lifting chain driving shaft connected with the transmission device, the top end of the vertical support frame is provided with the lifting chain driven shaft, the steering wheel shaft is arranged at the corner of the lifting chain, the lifting chain is sleeved on the peripheries of chain wheels on the lifting chain driving shaft, the lifting chain driven shaft and the steering wheel shaft, the tensioning wheel shaft is arranged on the vertical support frame and close to the bottom and the upper end of the lifting chain, and the tensioning wheel shaft is arranged.
7. The lily bulb combine harvester according to claim 6, wherein: the scraper is provided with a plurality of holes for screening soil blocks, and the inclined angle between the surface of the scraper for bearing the lily bulbs and the horizontal plane is 15-25 degrees.
8. The lily bulb combine harvester according to claim 1, wherein: an inclined plate is arranged between the vertical supporting frame and the collecting box of the vertical section and the top inclined section of the vertical lifting device, lily balls running to the scraper of the inclined section slide into the collecting box along the inclined plate, and the height of the inside of the collecting box is not more than 300 mm.
9. A lily bulb combine harvester according to any one of claims 1 to 6, wherein: the periphery of a connecting rod of the connecting rod type conveying belt, the periphery of a lifting chain of the vertical lifting device, the periphery of a roller brush of the steering conveying device, the surface of the scraper plate contacting the lily bulbs, the surface of the inclined plate, the bottom of the collecting box and the inner wall are all provided with flexible layers.
10. The lily bulb combine harvester according to claim 1, wherein: the anti-winding device is further arranged on two sides of the working front end of the rack and comprises two symmetrically arranged rollers, bevel gears are arranged at the top ends of shafts of the rollers and are respectively meshed with the bevel gears at two ends of a transmission shaft for transmission, one end of the transmission shaft is connected with an output shaft of a gearbox through belt transmission and drives the two rollers to rotate towards the outer side of the rack in a reverse direction through rotation of the transmission shaft, 2-4 protruding ribs are fixed on the periphery of each roller to form a cutter bar, the protruding ribs extend from the bottom end of each roller to the top end of each roller, and the length of each protruding rib is 200-plus 250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110352687A (en) * | 2019-08-06 | 2019-10-22 | 沈阳农业大学 | A kind of lily ball combined harvester |
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| CN110352687A (en) * | 2019-08-06 | 2019-10-22 | 沈阳农业大学 | A kind of lily ball combined harvester |
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