CN115843526B - Key-grid type swing and vibration harvesting device for deep-rhizome crops - Google Patents
Key-grid type swing and vibration harvesting device for deep-rhizome crops Download PDFInfo
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- CN115843526B CN115843526B CN202310186712.6A CN202310186712A CN115843526B CN 115843526 B CN115843526 B CN 115843526B CN 202310186712 A CN202310186712 A CN 202310186712A CN 115843526 B CN115843526 B CN 115843526B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a key grid type shimmy harvesting device for deep rhizome crops, which comprises a front frame, a main frame, a transmission system, a digging separation shovel grid, a shimmy driving device and a depth limiting device. The shimmy driving device obtains driving force through a transmission system, and the phase angles of a plurality of groups of digging separation shovel grids are sequentially staggered by 180 degrees. Adjacent two groups of digging separation shovel grids swing in a staggered way, so that the soil breaking and dispersing capacity is enhanced. The main frame in the horizontal position rotates around the rotating pin of the suspension lugs of the frame under the action of retraction or extension of the lifting cylinder. Through the rotation regulation of main frame, the harvesting apparatus can produce the great clearance that leaves the ground that satisfies the transportation requirement to for the real-time adjustment harvester's angle of entering soil provides the support. The invention has stronger soil excavation and separation capability, can realize rapid lifting and effective separation of the excavated rhizome and soil mixture, meets the low-resistance and high-efficiency harvesting requirements of deep rhizome crops, can be suitable for harvesting operation of various rhizome crops, and has good popularization and application prospects.
Description
Technical Field
The invention relates to the technical field of harvesting of deep-rhizome crops in agricultural machinery, in particular to a key grid type shimmy harvesting device for the deep-rhizome crops.
Background
The mechanical harvesting of the rhizome crops mainly refers to the comprehensive operation process of excavating underground rhizome from soil and realizing effective separation of the rhizome from the soil. The harvesting depth of shallow rhizome crops such as potatoes, peanuts and the like is usually 15-30 cm, and the separation operation of the rhizome and the soil of the crops is usually carried out by adopting a screening structure such as a chain type and a reciprocating vibrating screen. The harvesting depth of the deep rhizome crops is usually 30-60 cm or more, and the deep rhizome crops have the characteristics of deep excavation depth, large root soil separation amount, large working resistance, high operation energy consumption and the like when the typical harvesting principle or the machine tool is adopted for operation.
At present, typical rhizome crop harvesting equipment mainly comprises a shovel and grid integrated type, a shovel and screen combined type, a shovel chain combined type, a shovel roller combined type and the like, for example, a vibration type medicinal material rhizome harvester (CN 202022299185.4) adopts an operation mode of vibrating a soil contact part, so that the operation resistance is reduced, and the harvesting efficiency is improved; a crop excavating device (CN 202022011368.1) of a rhizome harvester adopts a chain type conveying mode, and can finish the rhizome and soil separation operation in the conveying process; the cutting edge support rods of a fork type excavating mechanism (CN 201821528594.3) of the root crop harvester are uniformly distributed at intervals, so that the cutting edge forms a tooth-harrow-like structure, and a separating screen vibrates and separates soil during operation, so that excavating resistance of the harvester is reduced. When the excavating and separating device improves the processing capacity and the separating efficiency through the measures such as large-scale and multistage design, vibration (shaking) strength improvement and the like, the problems of increased matched power, reduced structural strength and reliability and the like are generally generated, the existing harvesting technical equipment cannot meet the energy-saving and efficient harvesting requirements, and the development of new low-resistance and efficient harvesting technical equipment for deep-rootstock crops is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a key grid type crop shimmy harvesting device with deep roots.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a key grid type deep rhizome crop shimmy harvesting device comprises a front frame, a main frame, a transmission system, a digging separation shovel grid and a shimmy driving device;
the front frame comprises a hanging device and a lifting device; the lifting device is used for adjusting the installation angle;
the front frame is arranged at the front end of the device and is connected with the second connecting device of the main frame through the first connecting device respectively;
the main frame comprises a front main shaft, a left side plate and a right side plate which are symmetrically arranged;
the transmission system is connected with the front frame and the main frame and is used for controlling the front frame to rotate relative to the main frame through a connecting device;
the shimmy driving device is arranged at the rear end of the main frame and comprises a rear main shaft, a connecting rod and an eccentric shaft;
the eccentric shafts are provided with even groups and are arranged on the rear main shaft at equal intervals, and the phase angles of any two adjacent groups of eccentric shafts are staggered by 180 degrees;
the digging separation shovel grids are arranged at the lower end of the main frame and are arranged in an even number group, and the digging separation shovel grids comprise digging bucket teeth, bucket tooth mounting plates, separation grids, grid rear pipes, grid swing pin seats and grid front pipes;
the digging bucket tooth is arranged at the front end of the bucket tooth mounting plate, the separation grid is arranged at the rear end of the bucket tooth mounting plate, the grid front pipe and the grid rear pipe are respectively arranged at the front end and the rear end of the separation grid, the grid front pipe is connected with the front main shaft, and the grid rear pipe is fixedly arranged with the grid swing pin seat;
the grid front pipe is in pin joint with the front main shaft, and the grid swing pin seat is in pin joint with the connecting rod; when the rear main shaft rotates, the eccentric shaft drives the digging separation shovel bars to swing around the front main shaft through the connecting rod, and two adjacent digging separation shovel bars swing in a staggered mode.
On the basis of the scheme, the front frame specifically comprises a hanging frame, a frame beam, a lifting cylinder front support, a front support mounting beam, a support pin roll, a lifting cylinder rear support and a lifting cylinder;
the first connecting device of the front frame is in pin joint with the second connecting device of the main frame, and the installation angle of the main frame is dynamically adjusted under the action of the lifting cylinder;
under the retraction action of the lifting cylinder, the main frame rotates anticlockwise around the first connecting device, and the rotating angle range is 0-6 degrees;
under the extending action of the lifting cylinder, the main frame rotates clockwise around the first connecting device, and the rotating angle range is 0-20 degrees.
On the basis of the scheme, the main frame further comprises an upper mounting beam, a gearbox beam, a rear fixing beam and a front fixing beam;
the front main shaft, the upper mounting beam, the gearbox beam, the rear fixing beam and the front fixing beam are all arranged between the right side plate and the left side plate, the rear support is fixedly connected with the gearbox beam, and the second connecting device is symmetrically arranged on the upper mounting beam and connected with the first connecting device.
On the basis of the scheme, the first connecting device is a rack suspension lug; the second connecting device is an upper beam hanging lug.
On the basis of the scheme, the transmission system comprises a power receiving device, a power transmitting device, a speed changing device and a power distributing device.
On the basis of the scheme, the transmission system specifically comprises a front long universal joint, a side universal joint, a transmission half shaft, a chain wheel, a transmission chain, a half shaft mounting seat, a gearbox, a middle universal joint, a front bearing seat and a power input shaft;
the front bearing seat is fixed on the frame beam, and the rear end of the front long universal joint is arranged on the front bearing seat; the two half shaft mounting seats are symmetrically fixed on two sides of the gearbox beam, the two transmission half shafts are respectively mounted on the two half shaft mounting seats, and the two transmission half shafts are connected with the left end and the right end of the gearbox through side universal joints; the front end of the middle universal joint is connected with the rear end of the power input shaft; the two chain wheels are arranged on the two transmission half shafts, and the transmission chains are respectively meshed with the chain wheels at the two ends; the power of the tractor is connected to the power input shaft through the front long universal joint, is transmitted to the gearbox through the middle universal joint, is distributed to the transmission half shaft after being turned, and is transmitted backwards through the chain wheel and the transmission chain.
On the basis of the scheme, the device further comprises depth limiting devices arranged on two sides of the main frame and used for adjusting the digging depth.
On the basis of the scheme, the depth limiting device comprises a depth limiting bracket, a bracket mounting plate, a cylinder lug, a lifting cylinder body, a depth limiting wheel and a depth limiting wheel shaft;
the depth limiting wheel is arranged at the lower end of the depth limiting support, the lifting cylinder body is in pin joint with the cylinder lug, the depth limiting wheel is connected to the depth limiting support through a depth limiting wheel shaft, and the support mounting plate is fixedly connected with the right side plate or the left side plate;
the depth limiting device is characterized in that the depth limiting depth adjusting range is 0-90 mm.
On the basis of the scheme, the shimmy driving device further comprises a rear axle seat end cover, a rear axle middle seat, a connecting rod pin, a rear axle mounting seat and a rear axle middle seat bottom plate;
the two rear axle seat end covers and the two rear axle installation seats are arranged at the left end and the right end of the rear main shaft, the rear axle middle seat is arranged in the middle of the rear main shaft, and the rear axle middle seat bottom plate are fixedly connected on the rear fixing beam.
On the basis of the scheme, the eccentricity of the eccentric shaft is 10-20 mm; the rotating speed of the rear main shaft is 420-600 r/min; the included angle between the separation grid and the horizontal plane is 20-30 degrees; the included angle between the excavating bucket tooth and the horizontal plane is 15-25 degrees; the included angle between the tail end of the separation grid and the horizontal plane is 4-8 degrees.
The invention has the beneficial effects that:
the invention is based on the vibration drag reduction excavation and shimmy efficient separation principle, adopts an inter-group vibration balance technology and a modularized structural design, realizes the drag reduction excavation of deep rhizome crops and the rapid migration and separation of the mixture of the rhizome and the soil after the excavation, and provides a novel solution for solving the problems of deep excavation depth, large root-soil separation amount, large working resistance, high operation energy consumption and the like in the harvesting operation of the deep rhizome crops. The invention can meet the low-resistance and high-efficiency harvesting requirements of deep rhizome crops, can be suitable for harvesting operation of various rhizome crops, and has good popularization and application prospects.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the front frame structure of the present invention;
FIG. 3 is a schematic view of the main frame structure of the present invention;
FIG. 4 is a schematic diagram of the transmission system of the present invention;
FIG. 5 is a schematic view of the structure of the digging separation blade of the present invention;
FIG. 6 is a schematic diagram of the shimmy drive of the present invention;
FIG. 7 is a schematic view of the depth limiting device of the present invention;
FIG. 8 is a schematic view of the main components and direction of motion of the present invention;
reference numerals: 1. front frame, 101, hanger bracket, 102, frame rails, 103, lift cylinder front support, 104 front support mounting rails, 105 support pins, 106 lift cylinder rear support, 107 lift cylinders, 108 frame suspension lugs, 2, main frame, 201, front main shaft, 202, right side plate, 203, upper mounting rails, 204, gearbox rails, 205, rear fixed rails, 206, left side plate, 207, upper Liang Guaer, 208, front fixed rails, 3, drive system, 301, front long universal joint, 302, side universal joint, 303, drive half shaft, 304, sprocket, 305, drive chain, 306, half shaft mounting brackets, 307, gearbox, 308, intermediate universal joint, 309, front bearing housing, 310, power input shaft, 4, digging separation blade, 401, digging tooth, 402, tooth mounting plate, 403, separation blade, 404, grid rear tube, 405, grid swing pin housing, 406, grid front tube, 5, lag drive, 501, rear axle seat end cap, 502, rear main shaft, 503, rear axle center housing, 504, link pin, 505, rear axle mounting, 506, link, 507, eccentric shaft, 508, rear axle center housing bottom plate, 6, depth limiting device, 601, depth limiting bracket, 602, bracket mounting plate, 603, cylinder ear, 604, lifting cylinder, 605, depth limiting wheel, 606, depth limiting wheel shaft.
Detailed Description
The invention is described in further detail below in connection with fig. 1-8.
The whole structure of the key grid type deep rhizome crop shimmy harvesting device is shown in fig. 1, and comprises a front frame 1, a main frame 2, a transmission system 3, a digging separation shovel grid 4, a shimmy driving device 5 and a depth limiting device 6;
as shown in fig. 2, the front frame 1 specifically includes a suspension bracket 101, a frame beam 102, a front support 103, a front support mounting beam 104, a support pin 105, a rear support 106, a lifting cylinder 107, and a frame suspension bracket 108, where the suspension bracket 101, the frame beam 102, and the lifting cylinder front support 103 are a front frame body, the front support 103 is fixed on the front support mounting beam 104 by bolts, the lifting cylinder 107 is pinned with the front support 103 and the rear support 106, and the frame suspension bracket 108 is welded on the frame beam 102;
as shown in fig. 3, the main frame 2 specifically includes a front main shaft 201, a right side plate 202, an upper mounting beam 203, a transmission beam 204, a rear fixing beam 205, a left side plate 206, an upper Liang Guaer 207, and a front fixing beam 208; the front main shaft 201, the upper mounting beam 203, the gearbox beam 204, the rear fixing beam 205 and the front fixing beam 208 are all arranged between the right side plate 202 and the left side plate 206, the rear support 106 is fixed on the gearbox beam 204 through bolts, and the upper Liang Guaer 207 is symmetrically welded on the upper mounting beam 203 and is in pin joint with the rack suspension lugs 108.
The front frame 1 and the main frame 2 are in pin joint with the upper Liang Guaer and the upper Liang Guaer through frame hanging lugs 108, the transmission system 3 is fixed on the front frame 1 and the main frame 2, the digging separation shovel grating 4 is fixed on a front main shaft 201 of the main frame 2 and is arranged between a right side plate 202 and a left side plate 206, the shimmy driving device 5 is arranged on a rear fixing beam 205 of the main frame 2 and is arranged between the right side plate 202 and the left side plate 206, and the depth limiting device 6 is arranged on the main frame 2 and is symmetrically arranged behind the right side plate 202 and the left side plate 206.
As shown in fig. 4, the transmission system 3 specifically includes a front long universal joint 301, a side universal joint 302, a transmission half shaft 303, a sprocket 304, a transmission chain 305, a half shaft mounting seat 306, a gearbox 307, a middle universal joint 308, a front bearing seat 309, and a power input shaft 310, wherein the front bearing seat 309 is fixed on the frame beam 102, and the rear end of the front long universal joint 301 is mounted on the front bearing seat 309; the two half shaft mounting seats 306 are symmetrically fixed on the two sides of the gearbox beam 204, the two transmission half shafts 303 are respectively mounted on the two half shaft mounting seats 306, and the two transmission half shafts 303 are connected with the left end and the right end of the gearbox 307 through side universal joints 302; the front end of the middle universal joint 308 is connected with the rear end of the power input shaft 310; two chain wheels 304 are arranged on the two transmission half shafts 303, and the transmission chains 305 are respectively meshed with the chain wheels 304 at the two ends; tractor power is coupled to a power input shaft 310 through a front long universal joint 301, is transmitted to a gearbox 307 through a middle universal joint 308, is distributed to a transmission half shaft 303 after power steering, and is transmitted backwards through a sprocket 304 and a transmission chain 305.
As shown in fig. 5, the digging separation shovel grating 4 specifically includes a digging bucket tooth 401, a bucket tooth mounting plate 402, a separation grating 403, a grating rear tube 404, a grating swing pin seat 405, and a grating front tube 406, the digging bucket tooth 401 is mounted at the front end of the bucket tooth mounting plate 402, the separation grating 403 is mounted at the rear end of the bucket tooth mounting plate 402, the grating front tube 406 and the grating rear tube 404 are respectively mounted at the front and rear ends of the separation grating 403, the grating front tube 406 is connected with the front spindle 201, and the grating rear tube 404 is fixedly mounted with the grating swing pin seat 405.
As shown in fig. 6, the shimmy driving device 5 specifically includes a rear axle seat end cover 501, a rear main axle 502, a rear axle middle seat 503, a connecting rod pin 504, a rear axle mounting seat 505, a connecting rod 506, an eccentric axle 507, a rear axle middle seat bottom plate 508, two rear axle seat end covers 501, two rear axle mounting seats 505 are mounted at the left and right ends of the rear main axle 502, the rear axle middle seat 503 is mounted in the middle of the rear main axle 502, the rear axle middle seat 503 and the rear axle middle seat bottom plate 508 are connected and fixed on the rear fixed beam 205 through bolts, four groups of eccentric axles 507 are sequentially staggered 180 ° and distributed on the rear main axle 502 at equal intervals, four groups of connecting rods 506 are correspondingly connected with the eccentric axles 507, and the connecting rod pin 504 connects the grid bar shimmy pin seat 405 and the connecting rod 506.
As shown in fig. 7, the depth limiting device 6 specifically includes a depth limiting support 601, a support mounting plate 602, a cylinder lug 603, a lifting cylinder 604, a depth limiting wheel 605, and a depth limiting wheel axle 606, the depth limiting wheel 605 is mounted at the lower end of the depth limiting support 601, the lifting cylinder 604 is pinned with the cylinder lug 603, the depth limiting wheel 605 is connected to the depth limiting support 601 through the depth limiting wheel axle 606, and the support mounting plate 602 is connected to the right side plate 202 or the left side plate 206 through bolts.
The position relation and the operation process of the main components of the invention are shown in figure 8, the tractor is connected with the harvesting device through the suspension 101 of the traction front frame 1, the rear output shaft of the tractor provides power, the power is transmitted to the shimmy driving device 5 through the transmission system 3 and drives the eccentric shaft 507 on the rear main shaft 502 to rotate, and the excavation separation shovel grid is driven to perform reciprocating shimmy, so that the drag reduction excavation and the efficient root soil separation of soil are realized; the phase angles of the four groups of eccentric shafts 507 are staggered by 180 degrees in sequence, and the four groups of digging and separating shovel grids 4 corresponding to the four groups of eccentric shafts alternately lift to form a shimmy key grid type digging and separating system, so that the system has stronger material dispersing capability and is beneficial to dispersing and separating crop rootstocks and soil. During harvesting operation, the digging separation shovel grating 4 reciprocates and shakes, the digging bucket teeth 401 cut and lift soil to form soil-rhizome upturned soil strips, and then the soil-rhizome backwardly conveys and efficiently separates under the shimmy action of the separation grating 403, wherein the soil falls to the ground surface firstly through gaps of the separation grating 403, and the rhizome is paved on the soil after the operation at the tail end of the separation grating; the depth limiting device 6 realizes the change adjustment of the excavation depth by adjusting the telescopic adjustment of the lifting cylinder body 604; during harvesting operation, the main frame 2 rotates around the rotating pin of the frame suspension lug 207, and under the retracting action of the lifting cylinder 107, the counterclockwise rotating angle range of the main frame 2 is 0-6 degrees; under the extending action of the lifting cylinder 107, the clockwise rotation angle range of the main frame 2 is 0-20 degrees, and technical support is provided for adjusting the soil entering angle of the harvester in real time; after harvesting operation, the lifting cylinder 107 of the front frame 1 is extended, the main frame 2 rotates clockwise by a certain angle and generates a larger ground clearance, which is beneficial to the transportation of the harvesting device.
The above embodiments are only for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, so that all equivalent technical solutions fall within the scope of the present invention, which is defined by the claims.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (10)
1. The key grid type deep rhizome crop shimmy harvesting device is characterized by comprising a front frame (1), a main frame (2), a transmission system (3), a digging separation shovel grid (4) and a shimmy driving device (5);
the front frame (1) comprises a suspension device and a lifting device; the lifting device is used for adjusting the installation angle;
the front frame (1) is arranged at the front end of the device and is connected with the second connecting device of the main frame (2) through the first connecting device respectively;
the main frame (2) comprises a front main shaft (201), a left side plate (206) and a right side plate (202) which are symmetrically arranged;
the transmission system (3) is connected with the front frame (1) and the main frame (2), the tractor is connected with the harvesting device through a suspension bracket (101) of the front frame (1), the rear output shaft of the tractor provides power, the power is transmitted to the shimmy driving device (5) through the transmission system (3) and drives an eccentric shaft (507) on the rear main shaft (502) to rotate, and the excavation separation shovel grid is driven to perform reciprocating shimmy, so that drag reduction of soil and efficient separation of root soil are realized; the phase angles of the four groups of eccentric shafts (507) are staggered by 180 degrees in sequence, and the four groups of digging and separating shovel grids (4) corresponding to the four groups of eccentric shafts alternately lift to form a shimmy key grid type digging and separating system, so that the system has stronger material dispersing capability and is beneficial to dispersing and separating crop rootstocks and soil; during harvesting operation, the digging separation shovel grating (4) is reciprocated and oscillated, the digging bucket teeth (401) cut and lift soil to form soil-rhizome upturned strips, then the soil-rhizome backward transportation and high-efficiency separation are realized through the oscillation action of the separation grating (403), wherein the soil falls to the ground surface firstly through the gap of the separation grating (403), and the rhizome is paved on the soil after the operation at the tail end of the separation grating; the depth limiting device (6) realizes the change adjustment of the excavation depth by adjusting the telescopic adjustment of the lifting cylinder body (604); during harvesting operation, the main frame (2) rotates around a rotating pin of the frame suspension lug (108), and under the retracting action of the lifting cylinder (107), the counterclockwise rotating angle range of the main frame (2) is 0-6 degrees; under the extending action of the lifting cylinder (107), the clockwise rotation angle range of the main frame (2) is 0-20 degrees, and technical support is provided for adjusting the soil entering angle of the harvester in real time; after harvesting operation, the lifting cylinder (107) of the front frame (1) is extended, and the main frame (2) rotates clockwise for a certain angle and generates a larger ground clearance;
the shimmy driving device (5) is arranged at the rear end of the main frame (2) and comprises a rear main shaft (502), a connecting rod (506) and an eccentric shaft (507);
the eccentric shafts (507) are provided with even groups and are arranged on the rear main shaft (502) at equal intervals, and the phase angles of any two adjacent groups of eccentric shafts (507) are staggered by 180 degrees;
the digging separation shovel grating (4) is arranged at the lower end of the main frame (2) and is arranged in an even number group, and comprises digging bucket teeth (401), a bucket tooth mounting plate (402), a separation grating (403), a grating rear pipe (404), a grating swing pin seat (405) and a grating front pipe (406);
the digging bucket tooth (401) is arranged at the front end of the bucket tooth mounting plate (402), the separation grid (403) is arranged at the rear end of the bucket tooth mounting plate (402), the grid front pipe (406) and the grid rear pipe (404) are respectively arranged at the front end and the rear end of the separation grid (403), the grid front pipe (406) is connected with the front main shaft (201), and the grid rear pipe (404) is fixedly arranged with the grid swing pin seat (405);
the grid front pipe (406) is in pin joint with the front main shaft (201), and the grid swing pin seat (405) is in pin joint with the connecting rod (506); when the rear main shaft (502) rotates, the eccentric shaft (507) drives the digging separation shovel grating (4) to swing around the front main shaft (201) through the connecting rod (506), and two adjacent digging separation shovel grating (4) are staggered to swing.
2. Key-grid type deep-rootstock shimmy harvesting device according to claim 1, characterized in that the front frame (1) comprises a suspension frame (101), a frame beam (102), a lifting cylinder front support (103), a front support mounting beam (104), a support pin (105), a lifting cylinder rear support (106) and a lifting cylinder (107);
the first connecting device of the front frame (1) is in pin joint with the second connecting device of the main frame (2), and the installation angle of the main frame is dynamically adjusted under the action of the lifting cylinder (107);
under the retracting action of the lifting cylinder (107), the main frame (2) rotates anticlockwise around the first connecting device, and the rotating angle range is 0-6 degrees;
under the extending action of the lifting cylinder (107), the main frame (2) rotates clockwise around the first connecting device, and the rotation angle range is 0-20 degrees.
3. A key-grid type deep-rootstock shimmy harvesting device as defined in claim 1, wherein said main frame (2) further comprises an upper mounting beam (203), a gearbox beam (204), a rear fixed beam (205), a front fixed beam (208);
front main shaft (201), upper mounting beam (203), gearbox beam (204), rear fixed beam (205), front fixed beam (208) are all installed between right side board (202) and left side board (206), rear support (106) and gearbox beam (204) fixed connection, and second connecting device symmetry is installed in upper mounting beam (203) and is connected with first connecting device.
4. A key-grid type deep rootstock shimmy harvesting device as defined in claim 3, characterized in that said first connection means is a frame suspension (108); the second connection means is an upper Liang Guaer (207).
5. Key-grid type deep-rootstock shimmy harvesting device according to claim 2, characterized in that said transmission system (3) comprises power receiving means, power transmitting means, speed changing means, power distributing means.
6. Key-grid type deep-rootstock shimmy harvesting device according to claim 5, characterized in that the transmission system (3) comprises in particular a front long universal joint (301), a side universal joint (302), a transmission half shaft (303), a sprocket (304), a transmission chain (305), a half shaft mounting seat (306), a gearbox (307), a middle universal joint (308), a front bearing seat (309) and a power input shaft (310);
the front bearing seat (309) is fixed on the frame beam (102), and the rear end of the front long universal joint (301) is arranged on the front bearing seat (309); the two half shaft mounting seats (306) are symmetrically fixed on two sides of the gearbox beam (204), the two transmission half shafts (303) are respectively mounted on the two half shaft mounting seats (306), and the two transmission half shafts (303) are connected with the left end and the right end of the gearbox (307) through side universal joints (302); the front end of the middle universal joint (308) is connected with the rear end of the power input shaft (310); the two chain wheels (304) are arranged on the two transmission half shafts (303), and the transmission chains (305) are respectively meshed with the chain wheels (304) at the two ends; tractor power is connected into a power input shaft (310) through a front long universal joint (301), is transmitted to a gearbox (307) through a middle universal joint (308), is distributed to a transmission half shaft (303) after steering, and is transmitted backwards through a sprocket (304) and a transmission chain (305).
7. Key-grid type deep-rootstock shimmy harvesting device according to claim 1, further comprising depth limiting devices (6) mounted on both sides of the main frame (2) for adjusting the digging depth.
8. Key-grid type deep rhizome crop shimmy harvesting device as claimed in claim 7, wherein the depth limiting device (6) comprises a depth limiting bracket (601), a bracket mounting plate (602), a cylinder lug (603), a lifting cylinder (604), a depth limiting wheel (605) and a depth limiting wheel shaft (606);
the depth limiting wheel (605) is arranged at the lower end of the depth limiting support (601), the lifting cylinder body (604) is in pin joint with the cylinder lug (603), the depth limiting wheel (605) is connected to the depth limiting support (601) through a depth limiting wheel shaft (606), and the support mounting plate (602) is fixedly connected with the right side plate (202) or the left side plate (206);
the depth limiting device (6) has a depth limiting adjusting range of 0-90 mm.
9. A key-grid type deep rootstock shimmy harvesting device as defined in claim 1, wherein said shimmy driving device (5) further comprises a rear axle seat end cap (501), a rear axle center (503), a link pin (504), a rear axle mount (505), a rear axle center bottom plate (508);
two rear axle seat end covers (501) and two rear axle mounting seats (505) are arranged at the left end and the right end of the rear main shaft (502), a rear axle middle seat (503) is arranged in the middle of the rear main shaft (502), and the rear axle middle seat (503) and a rear axle middle seat bottom plate (508) are fixedly connected on the rear fixed beam (205).
10. Key-grid type deep-rootstock shimmy harvesting device according to claim 1, characterized in that the eccentricity of the eccentric shaft (507) is 10-20 mm; the rotating speed of the rear main shaft (502) is 420-600 r/min; the included angle between the separation grid (403) and the horizontal plane is 20-30 degrees; the included angle between the excavating bucket tooth (401) and the horizontal plane is 15-25 degrees; the included angle between the tail end of the separation grid (403) and the horizontal plane is 4-8 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310186712.6A CN115843526B (en) | 2023-03-02 | 2023-03-02 | Key-grid type swing and vibration harvesting device for deep-rhizome crops |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310186712.6A CN115843526B (en) | 2023-03-02 | 2023-03-02 | Key-grid type swing and vibration harvesting device for deep-rhizome crops |
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| CN115843526B true CN115843526B (en) | 2023-05-16 |
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| CN2365866Y (en) * | 1998-04-03 | 2000-03-01 | 白宝仁 | Mounted type harvester for multiple crops |
| CN208987455U (en) * | 2018-09-18 | 2019-06-18 | 中国农业大学 | A kind of oscillatory type grape nursery stock plant lifter |
| JP7385451B2 (en) * | 2019-12-06 | 2023-11-22 | 株式会社伊藤商会 | Sieve structure of sieve bucket |
| CN111279869A (en) * | 2020-02-21 | 2020-06-16 | 中国农业大学 | Shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops |
| CN111296037A (en) * | 2020-03-11 | 2020-06-19 | 中国农业大学 | Towed rhizome class crop harvesting apparatus |
| CN112970409A (en) * | 2021-01-19 | 2021-06-18 | 中国农业大学 | Parallel vibrating cassava harvester |
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2023
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