CN211960094U - Shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops - Google Patents

Shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops Download PDF

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CN211960094U
CN211960094U CN202020191388.9U CN202020191388U CN211960094U CN 211960094 U CN211960094 U CN 211960094U CN 202020191388 U CN202020191388 U CN 202020191388U CN 211960094 U CN211960094 U CN 211960094U
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shovel
sieve
plate
deep
pin
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李永磊
宋建农
徐光浩
王继承
张超
董向前
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China Agricultural University
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China Agricultural University
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Abstract

The utility model relates to a balanced nearly normal position harvesting apparatus of deep rhizome class crop shovel sieve belongs to rhizome class crop results technical field among the agricultural machine. The shovel-sieve balanced near-in-situ harvesting device for the deep-rooted crops comprises a rack, a transmission system, an excitation system, an excavating device, a screening device and a depth limiting device; the utility model discloses based on soil farming vibration drag reduction principle, adopt to become the swing to screening material dispersion technique, through modular structure design, nearly normal position material screening design, the balanced damping design of shovel sieve, realized the vibration drag reduction of operation process, effectively reduced the frame vibration, solve the big, poor scheduling problem of operating comfort level of deep rhizome class crop results operation resistance. The utility model discloses can satisfy the high-efficient results demand of root tuber class crop especially deep root tuber class crop low resistance, simple structure, operation are reliable, have good popularization application prospect.

Description

Shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops
Technical Field
The utility model relates to a rhizome class crop results technical field among the agricultural machine, especially a balanced nearly normal position harvesting apparatus of deep rhizome class crop shovel sieve.
Background
The harvesting of the root crops is an important content in the technical field of agricultural mechanized harvesting, and the key technical equipment for harvesting the shallow root crops represented by peanuts and potatoes is a major breakthrough after years of development, the technical equipment for harvesting the shallow root crops with the harvesting operation depth of 15-30 cm is mature day by day, and various agricultural machinery equipment such as a 4H-2 type peanut harvester, a 4U-83 potato harvester, a 1600 potato combine harvester and the like are widely popularized and applied, but the equipment suitable for harvesting the deep root crops (the harvesting operation depth is more than or equal to 30cm) is lacked.
At present, the tuber crop harvesting equipment mainly comprises a shovel grid integrated type, a shovel screen combined type, a shovel chain combined type, a shovel roller combined type and the like, for example, a vibrating digging harvester (ZL201711179667.2) for potatoes adopts a vibrating digging shovel to reduce digging resistance, and a vibrating flow combing and sliding net to improve the white potato rate; a deep type rhizome excavator (ZL 201320726036.9) adopts a vibrating screen to realize the separation of crop rhizome and soil; a root tuber crop harvester (ZL02206482.6) adopts a multi-stage concave-convex wheel claw soil separating conveyor to realize the separation of crop roots and soil; in the aspect of vibration drag reduction technology utilization, a double-sieve self-balancing excavating harvester (ZL201610420655.3) achieves body vibration reduction while vibrating and screening materials by using a double-sieve self-balancing vibration device. Comprehensive analysis shows that the rootstock excavation and material separation links in the rootstock crop harvesting process have large soil disturbance and soil mass material conveying, so that large power consumption is caused, the deep rootstock crop harvesting process is particularly remarkable in performance, the problems of large operation resistance, low harvesting speed, poor operation comfort level (strong body vibration) and the like generally exist, and the research and development of novel low-resistance and high-efficiency harvesting technical equipment for the deep rootstock crops are urgently needed.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at providing a nearly normal position harvesting apparatus of dark rhizome class crop of shovel sieve balanced type. In order to achieve the purpose, the utility model discloses based on soil farming vibration drag reduction principle, adopt and become swing amplitude pendulum to screening material high efficiency dispersion technique, through modular structure design, nearly normal position material screening design, the balanced damping design of shovel sieve, solve the big, poor scheduling problem of operating comfort level of dark rhizome class crop results operation resistance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops comprises a frame 1, a transmission system 2, an excitation system 3, an excavating device 4, a screening device 5 and a depth limiting device 6;
the frame 1 includes: the device comprises a welding frame 101, an upper suspension frame 102, a lower suspension frame 103, a swing rod pin seat 104 and a depth wheel mounting bracket 105;
the upper suspension bracket 102 is welded in the middle of the front part of the welding frame 101, the lower suspension bracket 103 is welded at the front end of the welding frame 101 and on the outer side of the upper suspension bracket 102, the swing rod pin boss 104 is welded below the front part of the welding frame 101, and the depth wheel mounting bracket 105 is welded below the front part of the welding frame 101 and on the inner side of the swing rod pin boss 104;
the transmission system 2 comprises a gearbox 201, an input extension shaft 202, a coupler 203 and a fixed bearing seat 204;
the input extension shaft 202 is fixed on a fixed bearing seat 204, and the input extension shaft 202 is connected with the gearbox 201 through a coupler 203;
the excitation system 3 is symmetrically arranged on two sides of the transmission system 2, the excitation system 3 is composed of four groups of crank connecting rod oscillating bar mechanisms, and each crank connecting rod oscillating bar mechanism comprises a transmission shaft 301, an eccentric shaft head 302, a connecting rod 303, a connecting rod pin 304, an oscillating bar 305, an oscillating bar pin 306 and a mounting bearing seat 307;
the gearbox 201 is connected with the transmission shaft 301 through a coupler 203, two ends of the transmission shaft 301 are connected with a mounting bearing seat 307, and the mounting bearing seat 307 is fixed on the welding frame 101; the eccentric shaft head 302 is arranged at two ends of the transmission shaft 301 through a flat key and is used for transmitting power, one end of the connecting rod 303 is connected with the eccentric shaft head 302, the other end of the connecting rod 303 is in pin joint with the swing rod 305 through a connecting rod pin 304, and the swing rod 305 is in pin joint with the rack swing rod pin seat 104 through a swing rod pin 306;
the excavating device 4 comprises a shovel handle 401, excavating bucket teeth 402, an excavating shovel 403, a supporting shovel plate 404, a shovel plate connecting pin 405, an excavating tail boom 406, a shovel handle tensioning pull rod 407 and a shovel handle tensioning pull rod pin 408;
the left end and the right end of the handle tensioning pull rod 407 are connected with the upper part of the handle 401 through a handle tensioning pull rod pin 408, the left end and the right end of the supporting shovel plate 404 are connected with the lower part of the handle 401, the front end of the supporting shovel plate 404 is provided with an excavating shovel 403, and the excavating shovel 403 is provided with excavating bucket teeth 402; the digging tail boom 406 is fixed at the bottom of the supporting shovel plate 404;
the supporting shovel plate 404 comprises a left supporting shovel plate and a right supporting shovel plate, and the left supporting shovel plate and the right supporting shovel plate are hinged through a shovel plate connecting pin 405;
the excavating device 4 is fixed at the rear parts of the two groups of swing rods at the outer side and swings around the swing rod pin 306 under the action of the excitation system 3;
the screening device 5 comprises a screen frame 501, separation bars 502, a support screen plate 503, a screen plate connecting pin 504, a screen plate tensioning pull rod 505 and a screen plate tensioning pull rod pin 506;
two ends of the sieve plate tensioning pull rod 505 are connected with the upper part of the sieve frame 501 through a sieve plate tensioning pull rod pin 506, two ends of the support sieve plate 503 are fixed on the lower part of the sieve frame 501, and the separation grid 502 is fixed on the support sieve plate 503;
the supporting sieve plate 503 comprises a left supporting sieve plate and a right supporting sieve plate, and the left supporting sieve plate and the right supporting sieve plate are hinged through a sieve plate connecting pin 504;
the screening device 5 is fixed at the rear parts of the two groups of swing rods at the inner side and swings around the swing rod pin 306 under the action of the excitation system 3;
the depth limiting device 6 comprises a depth limiting wheel 601, a depth limiting wheel bracket 602, a mud scraper 603 and a depth limiting wheel mounting pin 604;
the mud scraper 603 is arranged at the upper part of the depth wheel bracket 602, two ends of the depth wheel 601 are connected with the depth wheel bracket 602, and the depth wheel bracket 602 is arranged on the depth wheel mounting bracket 105 through a depth wheel mounting pin 604;
on the basis of the scheme, the phase angles of the four groups of crank link mechanisms are respectively 0 degree, 180 degrees and 0 degree;
on the basis of the scheme, the eccentric shaft heads 302 at two ends of the transmission shaft 301 are arranged in a 180-degree manner, and the transmission shafts 301 at the left side and the right side and the corresponding eccentric shaft heads 302 are symmetrically arranged.
On the basis of the scheme, the eccentricity of the eccentric shaft head 302 is 5-10 mm.
On the basis of the scheme, the rotating speed of the transmission shaft 301 is 250-350 r/min.
On the basis of the scheme, the included angle between the supporting shovel plate 404 and the horizontal plane is 20-30 degrees;
on the basis of the scheme, the included angle between the support sieve plate 503 and the horizontal plane is 15-25 degrees;
on the basis of the scheme, the horizontal projection of the digging tail grating 406 and the separating grating strips 502 in the advancing direction of the machine has a superposition action area of 50-100 mm;
on the basis of the scheme, the depth limiting degree of the depth limiting device 6 can be adjusted according to needs, and the adjusting range is 0-90 mm;
the utility model has the advantages that: the utility model discloses based on soil farming vibration drag reduction principle, adopt and become the swing amplitude pendulum to screening material high-efficient dispersion technique, make full use of the low energy consumption condition of breaking of the soil body and the low resistance transport characteristic of class fluidization soil, and soil passes through the advantage that the sieve ability progressively strengthens along with the swing amplitude increase when digger blade and the unequal amplitude vibration of separation grid, through the modular structure design, nearly normal position material screening design, the balanced damping design of shovel sieve, the vibration drag reduction of operation process has been realized, effectively reduced the frame vibration, it is big to solve deep-rooted tuber class crop results operation resistance, the scheduling problem that operating comfort is poor. The utility model discloses can satisfy the high-efficient results demand of root tuber class crop low resistance especially of deep root tuber class crop, simple structure, operation are reliable, through changing digger blade and separation grating, applicable in multiple root tuber class crop results operation, have good popularization and application prospect.
Drawings
The utility model discloses there is following figure:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the frame structure of the present invention;
FIG. 3 is a schematic structural diagram of the transmission system and the excitation system of the present invention;
fig. 4 is a schematic structural view of the excavating device of the present invention;
figure 5 is a schematic view of a screening device of the present invention;
fig. 6 is a schematic structural view of the depth stop device of the present invention;
FIG. 7 is a schematic view of the operation principle of the variable swing direction pendulum screening of the present invention;
in the figure: 1. a frame, 101, a welding frame, 102, an upper hanging frame, 103, a lower hanging frame, 104, a swing rod pin seat, 105, a depth wheel mounting bracket, 2, a transmission system, 201, a gear box, 202, an input extension shaft, 203, a coupler, 204, a fixed bearing seat, 3, an excitation system, 301, a transmission shaft, 302, an eccentric shaft head, 303, a connecting rod, 304, a connecting rod pin, 305, a swing rod, 306, a swing rod pin, 307, a mounting bearing seat, 4, an excavating device, 401, a shovel handle, 402, an excavating tooth, 403, an excavating shovel, 404, a supporting shovel plate, 405, a shovel plate connecting pin shaft, 406, an excavating tail gate, 407, a shovel handle tensioning pull rod, 408, a shovel handle tensioning pull rod pin, 5 screening devices, 501, a screen frame, 502, a separation grid bar, 503, a supporting screen plate, 504, a screen plate connecting pin shaft, 505, a screen plate tensioning pull rod, 506, a screen plate tensioning pull rod pin, 6, a depth limiting device, 601, a depth wheel, 602. depth wheel bracket 603, mud scraper 604, depth wheel mounting pin
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 7 and examples.
As shown in figure 1, the shovel-sieve balanced near-normal position harvesting device for deep-rooted crops comprises a frame 1, a transmission system 2, an excitation system 3, an excavating device 4, a screening device 5 and a depth limiting device 6.
As shown in fig. 2, the frame 1 includes a welding frame 101, an upper suspension frame 102, a lower suspension frame 103, a rocker pin boss 104, and a depth wheel mounting bracket 105.
The upper suspension bracket 102 is welded in the middle of the front part of the welding frame 101, the lower suspension bracket 103 is welded at the front end of the welding frame 101 and on the outer side of the upper suspension bracket 102, the swing rod pin boss 104 is welded below the front part of the welding frame 101, and the depth wheel mounting bracket 105 is welded below the front part of the welding frame 101 and on the inner side of the swing rod pin boss 104;
as shown in fig. 3, the transmission system 2 includes a transmission case 201, an input extension shaft 202, a coupling 203, and a fixed bearing base 204,
the input extension shaft 202 is fixed on a fixed bearing seat 204, and the input extension shaft 202 is connected with the gearbox 201 through a coupler 203;
the power of the rear output shaft of the tractor is transmitted to the gearbox 201 through the input extension shaft 202, is reversed and then is distributed to the transmission shafts 301 on the two sides to drive the excitation system.
The excitation system 3 is symmetrically arranged at two sides of the transmission system 2, the excitation system 3 is composed of four groups of crank connecting rod and swing rod mechanisms, each crank connecting rod and swing rod mechanism comprises a transmission shaft 301, an eccentric shaft head 302, a connecting rod 303, a connecting rod pin 304, a swing rod 305, a swing rod pin 306 and a mounting bearing seat 307,
the gearbox 201 is connected with the transmission shaft 301 through a coupler 203, two ends of the transmission shaft 301 are connected with a mounting bearing seat 307, and the mounting bearing seat 307 is fixed on the welding frame 101; the eccentric shaft head 302 is arranged at two ends of the transmission shaft 301 through a flat key and is used for transmitting power, one end of the connecting rod 303 is connected with the eccentric shaft head 302, the other end of the connecting rod 303 is in pin joint with the swing rod 305 through a connecting rod pin 304, and the swing rod 305 is in pin joint with the rack swing rod pin seat 104 through a swing rod pin 306;
the eccentric shaft heads 302 are connected with the transmission shafts 301 through flat keys and are used for transmitting power, two eccentric shaft heads 302 on the same transmission shaft 301 are arranged in a phase angle of 180 degrees, the transmission shafts 301 on the left side and the right side and the eccentric shaft heads 302 are symmetrically arranged, and the phase angles of four groups of crank connecting rods are respectively 0 degree, 180 degrees and 0 degree; during operation, the excavating device 4 and the screening device 5 are lifted alternately to realize dynamic balance of the screening shoveling operation; the eccentricity of the eccentric shaft head 302 is 5-10 mm; the rotating speed of the transmission shaft 301 is 250-350 r/min;
as shown in fig. 4, the excavating device 4 includes a shank 401, an excavating tooth 402, an excavating blade 403, a supporting blade 404, a blade connecting pin 405, an excavating tail boom 406, a shank tensioning link 407, and a shank tensioning link pin 408;
the left end and the right end of the handle tensioning pull rod 407 are connected with the upper part of the handle 401 through a handle tensioning pull rod pin 408, the left end and the right end of the supporting shovel plate 404 are connected with the lower part of the handle 401, the front end of the supporting shovel plate 404 is provided with an excavating shovel 403, and the excavating shovel 403 is provided with excavating bucket teeth 402; the digging tail boom 406 is fixed at the bottom of the supporting shovel plate 404;
the supporting shovel plate 404 comprises a left supporting shovel plate and a right supporting shovel plate, and the left supporting shovel plate and the right supporting shovel plate are hinged through a shovel plate connecting pin 405; so as to eliminate the installation error of the two groups of swing rods at the outer side and the over-constraint caused by asynchronous operation; the included angle between the supporting shovel plate 404 and the horizontal plane is 20-30 degrees;
the excavating device 4 is fixed at the rear parts of the two groups of swing rods at the outer side and swings around the swing rod pin 306 under the action of the excitation system 3;
as shown in fig. 5, the screening device 5 includes a screen frame 501, separation grid bars 502, a support screen 503, a screen connecting pin 504, a screen tensioning pull rod 505, and a screen tensioning pull rod pin 506;
two ends of the sieve plate tensioning pull rod 505 are connected with the upper part of the sieve frame 501 through a sieve plate tensioning pull rod pin 506, two ends of the support sieve plate 503 are fixed on the lower part of the sieve frame 501, and the separation grid 502 is fixed on the support sieve plate 503;
the supporting sieve plate 503 comprises a left supporting sieve plate and a right supporting sieve plate, and the left supporting sieve plate and the right supporting sieve plate are hinged through a sieve plate connecting pin 504; so as to eliminate the installation error of the two groups of swing rods at the inner side and the over-constraint caused by asynchronous operation; the included angle between the support sieve plate 503 and the horizontal plane is 15-25 degrees; the horizontal projection of the excavation tail gate 406 and the separation grid bars 502 in the advancing direction of the machine has a superposition action area of 50-100 mm, and the continuous conveying of the soil flow is realized.
The screening device 5 is fixed at the rear parts of the two groups of swing rods at the inner side and swings around the swing rod pin 306 under the action of the excitation system 3.
As shown in fig. 7, the depth stop device 6 includes a depth stop wheel 601, a depth stop wheel bracket 602, a mud scraper 603, and a depth stop wheel mounting pin 604;
the mud scraper 603 is arranged at the upper part of the depth wheel bracket 602, two ends of the depth wheel 601 are connected with the depth wheel bracket 602, and the depth wheel bracket 602 is arranged on the depth wheel mounting bracket 105 through a depth wheel mounting pin 604; adjusting the depth limit depth as required, wherein the adjusting range is 0-90 mm;
the basic working principle and the operation process of the utility model are as shown in fig. 7, the tractor pulls the frame 1 to go forward and provides the exciting vibration power through the power output shaft, the four groups of pendulum rods of the excitation system 3 swing around the O point in a small scale under the drive of the crank link mechanism, and the motion of the shovel surface of the excavating gear 4 and the screen surface of the screening device 5 is the combined motion of the forward direction linear motion and the swing around the O point. Each point on the shovel surface of the excavating device 4 and the screen surface of the screening device 5 swings around the point O, the swing amplitude and the swing direction are changed, for example, the points A1, A2, B1, B2 and B3 gradually increase along with the increase of the swing arm, the swing direction angle (the included angle between the swing direction and the horizontal plane) also gradually increases, the excavating bucket tooth 402 and the excavating shovel 403 are sequentially carried out in the processes of cutting, soil cutting and soil upturned soil lifting in the direction of 30-45 degrees (the included angle between the excavating bucket tooth 402 and the horizontal plane and the included angle between the excavating bucket tooth and the horizontal plane are also the low-energy-consumption soil farming direction angle), and the soil excavating power consumption can be effectively reduced; the vertical swing of each point of the separation grid 502 is large and gradually increased, and the shaking capability is strong, so that the separation of crop roots and stems from soil is facilitated, and the separation power consumption is reduced. During harvesting operation, the excavating device 4 and the screening device 5 are lifted alternately under the action of the excitation system 3, the dug soil slices (mixture of crop roots and stems and soil) are conveyed backwards in a fluidization-like state with low resistance along with the forward movement of a tractor, loose soil falls below the separation grid bars, the crop roots and stems fall to the ground surface after operation, and the crop root and stem falling points are located within 1-2 times of the harvesting depth distance near the growing points of the crop roots and stems because the soil slices do not move for a long distance and in a large range in the operation process, namely near-situ harvesting.
To sum up, the utility model discloses based on soil farming vibration drag reduction principle, adopt to become swing amplitude pendulum to screening material high efficiency dispersion technique, through modular structure design, nearly normal position material screening design, the balanced damping design of shovel sieve, realized the vibration drag reduction of operation process, effectively reduced the frame vibration, solve the big, poor scheduling problem of operating comfort level of deep-rooted tuber class crop results operation resistance, the utility model discloses can satisfy the especially high-efficient results demand of deep-rooted tuber class crop low resistance of root-rooted tuber class crop.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions implemented by the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the present invention, which should be covered by the claims of the present invention.
Those not described in detail in this specification are within the skill of the art.

Claims (9)

1. A shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops is characterized by comprising a rack (1), a transmission system (2), an excitation system (3), an excavating device (4), a screening device (5) and a depth limiting device (6);
the frame (1) comprises: the device comprises a welding frame (101), an upper suspension frame (102), a lower suspension frame (103), a swing rod pin seat (104) and a depth wheel mounting bracket (105);
the upper suspension rack (102) is welded in the middle of the front part of the welding rack (101), the lower suspension rack (103) is welded at the front end of the welding rack (101) and on the outer side of the upper suspension rack (102), the swing rod pin seat (104) is welded below the front part of the welding rack (101), and the depth wheel mounting bracket (105) is welded below the front part of the welding rack (101) and on the inner side of the swing rod pin seat (104);
the transmission system (2) comprises a gearbox (201), an input extension shaft (202), a coupler (203) and a fixed bearing seat (204);
the input extension shaft (202) is fixed on a fixed bearing seat (204), and the input extension shaft (202) is connected with the gearbox (201) through a coupler (203);
the vibration excitation system (3) is symmetrically arranged on two sides of the transmission system (2), the vibration excitation system (3) is composed of four groups of crank connecting rod and swing rod mechanisms, and each crank connecting rod and swing rod mechanism comprises a transmission shaft (301), an eccentric shaft head (302), a connecting rod (303), a connecting rod pin (304), a swing rod (305), a swing rod pin (306) and a mounting bearing seat (307);
the gearbox (201) is connected with the transmission shaft (301) through a coupler (203), two ends of the transmission shaft (301) are connected with mounting bearing seats (307), and the mounting bearing seats (307) are fixed on the welding frame (101); the eccentric shaft head (302) is mounted at two ends of the transmission shaft (301) through a flat key and used for transmitting power, one end of the connecting rod (303) is connected with the eccentric shaft head (302), the other end of the connecting rod (303) is connected to the swing rod (305) through a connecting rod pin (304), and the swing rod (305) is hinged to the rack swing rod pin seat (104) through a swing rod pin (306);
the excavating device (4) comprises a shovel handle (401), an excavating bucket tooth (402), an excavating shovel (403), a supporting shovel plate (404), a shovel plate connecting pin shaft (405), an excavating tail gate (406), a shovel handle tensioning pull rod (407) and a shovel handle tensioning pull rod pin (408);
the left end and the right end of the shovel handle tensioning pull rod (407) are connected with the upper part of the shovel handle (401) through a shovel handle tensioning pull rod pin (408), the left end and the right end of the supporting shovel plate (404) are connected with the lower part of the shovel handle (401), the front end of the supporting shovel plate (404) is provided with a digging shovel (403), and the digging shovel (403) is provided with digging bucket teeth (402); the excavating tail gate (406) is fixed at the bottom of the supporting shovel plate (404);
the supporting shovel plate (404) comprises a left supporting shovel plate and a right supporting shovel plate, and the left supporting shovel plate and the right supporting shovel plate are hinged through a shovel plate connecting pin shaft (405);
the excavating device (4) is fixed at the rear parts of the two groups of swing rods at the outer side and swings around the swing rod pin (306) under the action of the excitation system (3);
the screening device (5) comprises a screen frame (501), separation grids (502), a support screen plate (503), a screen plate connecting pin shaft (504), a screen plate tensioning pull rod (505) and a screen plate tensioning pull rod pin (506);
two ends of the sieve plate tensioning pull rod (505) are connected with the upper part of the sieve frame (501) through a sieve plate tensioning pull rod pin (506), two ends of the support sieve plate (503) are fixed on the lower part of the sieve frame (501), and the separation grid bars (502) are fixed on the support sieve plate (503);
the supporting sieve plate (503) comprises a left supporting sieve plate and a right supporting sieve plate, and the left supporting sieve plate and the right supporting sieve plate are hinged through a sieve plate connecting pin shaft (504);
the screening device (5) is fixed at the rear parts of the two groups of swing rods at the inner side and swings around a swing rod pin (306) under the action of the vibration excitation system (3);
the depth limiting device (6) comprises a depth limiting wheel (601), a depth limiting wheel bracket (602), a mud scraper (603) and a depth limiting wheel mounting pin (604);
the mud scraper (603) is installed on the upper portion of a depth wheel support (602), two ends of the depth wheel (601) are connected with the depth wheel support (602), and the depth wheel support (602) is installed on a depth wheel installation support (105) through a depth wheel installation pin (604).
2. The deep-rooted stem crop shoveling, screening, balancing and near-in-situ harvesting device of claim 1, wherein the phase angles of the four groups of crank-link mechanisms are respectively 0 °, 180 °, 0 °.
3. The shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops according to claim 1, wherein eccentric shaft heads (302) at two ends of the transmission shaft (301) are arranged at 180 degrees, and the transmission shafts (301) at the left side and the right side and the corresponding eccentric shaft heads (302) are symmetrically arranged.
4. The shovel screen balanced near-in-situ harvesting device for deep-rooted crops as claimed in claim 1, wherein the eccentricity of the eccentric shaft head (302) is 5-10 mm.
5. The shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops as claimed in claim 1, wherein the rotation speed of the transmission shaft (301) is 250-350 r/min.
6. The shovel screen balanced near-in-situ harvesting device for deep-rooted stem crops as claimed in claim 1, wherein the included angle between the supporting shovel plate (404) and the horizontal plane is 20-30 °.
7. The shovel-sieve balanced near-in-situ harvesting device for deep-rooted stem crops as claimed in claim 1, wherein the included angle between the supporting sieve plate (503) and the horizontal plane is 15-25 °.
8. The shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops as claimed in claim 1, wherein the excavation tail boom (406) and the separation boom (502) have a coincident action area of 50-100 mm in horizontal projection in the forward direction of the machine.
9. The deep-rooted stem crop shovel screen balancing near-in-situ harvesting device as claimed in claim 1, characterized in that the depth limiting device (6) has its depth adjustable as required, the adjustment range being 0-90 mm.
CN202020191388.9U 2020-02-21 2020-02-21 Shovel-sieve balanced near-in-situ harvesting device for deep-rooted crops Active CN211960094U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114651593A (en) * 2021-04-29 2022-06-24 成都宇亨智能科技有限公司 Separating device
CN111279869B (en) * 2020-02-21 2024-07-09 中国农业大学 Deep rhizome class crop shovel sieve balanced near-in-situ harvesting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111279869B (en) * 2020-02-21 2024-07-09 中国农业大学 Deep rhizome class crop shovel sieve balanced near-in-situ harvesting device
CN114651593A (en) * 2021-04-29 2022-06-24 成都宇亨智能科技有限公司 Separating device

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