CN112400447A - Self-propelled sweet potato harvester with stone-proof emergency stop device - Google Patents
Self-propelled sweet potato harvester with stone-proof emergency stop device Download PDFInfo
- Publication number
- CN112400447A CN112400447A CN202011562210.1A CN202011562210A CN112400447A CN 112400447 A CN112400447 A CN 112400447A CN 202011562210 A CN202011562210 A CN 202011562210A CN 112400447 A CN112400447 A CN 112400447A
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- sweet potato
- potato harvester
- stone
- gearbox
- frame
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- 244000017020 Ipomoea batatas Species 0.000 title claims abstract description 54
- 235000002678 Ipomoea batatas Nutrition 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 239000004575 stone Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 56
- 238000009313 farming Methods 0.000 claims description 15
- 244000061456 Solanum tuberosum Species 0.000 claims description 12
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 2
- 239000011435 rock Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 9
- 239000002689 soil Substances 0.000 description 7
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D13/00—Diggers, e.g. potato ploughs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
- A01D33/12—Driving mechanisms, with or without motor
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Agricultural Machines (AREA)
Abstract
The invention discloses a self-propelled sweet potato harvester with a stone-preventing emergency stop device, which aims to solve the problem that a plowshare or a sweet potato harvester is easy to damage when a plowshare meets stones in the existing sweet potato harvester.A stone-preventing emergency stop device (5) capable of swinging up and down along with a plowing gearbox (3) and the sweet potato harvester (4) is arranged on the plowing gearbox (3) between the sweet potato harvester (4) and a crawler travelling mechanism (6), and a travelling gearbox (23) is obliquely arranged on a rack (26) so as to be convenient for placing a driver seat (2). This has the advantage of stopping the machine when a rock is encountered.
Description
Technical Field
The invention relates to agricultural machinery, in particular to a self-propelled sweet potato harvester with a stone-preventing emergency stop device, which consists of a frame, crawler travelling mechanisms positioned on two sides of the frame, an engine positioned at the front end of the frame, an agricultural implement suspension mechanism positioned at the rear end of the frame and a variable speed control device positioned on the frame.
Background
Chinese patent CN201888093U discloses such a sweet potato harvester, which is structurally characterized in that: the device comprises a triangular plowshare, a plow standard, a plow frame, a traction frame, a gear box, a conveying sieve, a driving wheel, a driving shaft, a driven wheel, a driven shaft, a bracket, a pull rod and other main components, wherein two sides of the triangular plowshare are connected with the plow frame through the plow standard; the front end of the triangular plowshare is provided with a plow tip, the two sides of the triangular plowshare are provided with soil separating plates, the upper part of the triangular plowshare is provided with a plurality of soil sliding ribs, and the bottom of the triangular plowshare is provided with a plow heel. When the tractor moves forward, the plough tip penetrates into the bottom of the potato ridge to arch up the potato blocks, the arched and turned-up broken soil of the potato ridge and the soil blocks on the two sides of the potato ridge are divided to the two sides by the left and right soil dividing plates, and the residual soil and the potato blocks in the middle of the potato ridge slide to the conveying sieve behind the plough column along the soil sliding ribs. Therefore, when the plowshare meets stones, the plowshare or the sweet potato harvester is easy to damage.
Disclosure of Invention
The invention aims to provide a self-propelled sweet potato harvester with a stone-preventing sudden stop device, which can stop the operation of the harvester when encountering stones.
The invention aims to achieve the aim, the self-propelled sweet potato harvester with the stone-preventing emergency stop device comprises a rack, crawler walking mechanisms positioned on two sides of the rack, an engine positioned at the front end of the rack, an agricultural implement suspension mechanism positioned at the rear end of the rack and a variable speed control device positioned on the rack, wherein the variable speed control device comprises a belt pulley, a V-belt, a continuously variable transmission, a walking gearbox and a chain transmission case, the belt pulley capable of being connected with a flywheel shaft of the engine is in transmission connection with an input shaft of the continuously variable transmission and an input shaft of the chain transmission respectively through the V-belt, an output shaft of the continuously variable transmission is in transmission connection with the walking gearbox, the continuously variable transmission is connected with a gear change mechanism, the chain transmission case is in transmission connection with one end of a farming gearbox on the agricultural implement suspension mechanism, the other end of the farming gearbox is in transmission connection with the sweet potato harvester, and the farming gearbox capable of being The stone-preventing emergency stop device which swings up and down arranges the walking gearbox on the frame in an inclined way, thereby being convenient for placing a driver seat.
Prevent stone scram device by first horizontal pole, second horizontal pole, montant, divide native board, touch panel and telescopic link structure to constitute, first horizontal pole is the form of parallel to each other with the second horizontal pole and sets up on farming gearbox bottom surface, there is the montant upper end at first horizontal pole both ends swing joint respectively, montant lower extreme and touch panel swing joint are provided with at two montant lower parts and divide native board, still swing joint has telescopic link structure lower extreme respectively in two montant lower parts, telescopic link structure upper end and second horizontal pole both ends swing joint respectively.
The telescopic rod structure comprises a large tube, a small tube, a spring and a contact switch, wherein the spring is arranged in the large tube with one closed end, one part of the small tube is arranged in the spring, the contact switch is arranged in the small tube, one end of the contact switch which can be electrically connected with the clutch device extends out of one part of the small tube and is close to the closed end of the large tube, a bulge in the closed end of the large tube is convenient to touch, and an end cover which can adjust the spring force, prevent the small tube from being separated and facilitate the small tube to pass through is arranged at the other open end of the.
The outer surface of the small pipe is provided with a waistcoat which is convenient to contact with one end of the spring and prevents the small pipe from separating from the large pipe, so that the axial sections of the waistcoat and the small pipe are in a cross shape, the small pipe between the waistcoat and the end cover is also provided with a top pipe, one end of the top pipe is in contact with one surface of the waistcoat, and the other end of the top pipe is in contact with the inner surface of the end cover.
The upper ends of the two vertical rods are movably connected with the two ends of the first cross rod through a first sleeve and a bolt respectively, so that the adjustment is convenient according to the sizes of the potato ridges.
The upper ends of the two telescopic rod structures are movably connected with the two ends of the second cross rod through a second sleeve and a bolt respectively, so that the two telescopic rod structures can be conveniently adjusted according to the sizes of the potato ridges.
The chain transmission case is provided with an adjusting mechanism which is convenient for adjusting the inclination angle of the walking gearbox and the tension degree of the triangular belt, one end of the adjusting mechanism is connected with the walking gearbox, and the other end of the adjusting mechanism is connected with the chain transmission case.
The rack is provided with an L-shaped guide plate which is convenient for the walking gearbox to obliquely swing according to a specified angle, and an arc-shaped long eye groove which is convenient for a bolt to pass through is arranged on a vertical plate of the guide plate vertical to the horizontal plane of the rack.
The self-propelled sweet potato harvester with the stone-preventing emergency stop device can also comprise a frame, crawler belt travelling mechanisms positioned on two sides of the frame, an engine positioned at the front end of the frame, an agricultural implement suspension mechanism positioned at the rear end of the frame and a variable speed control device positioned on the frame, wherein the variable speed control device comprises a belt pulley, a triangle belt, a stepless speed changer, a travelling speed changing box and a chain transmission box, the belt pulley which can be connected with a flywheel shaft of the engine is respectively in transmission connection with an input shaft of the stepless speed changer and an input shaft of the chain transmission box through the triangle belt, an output shaft of the stepless speed changer is in transmission connection with the travelling speed changing box, the stepless speed changer is connected with a gear changing mechanism, the chain transmission box is in transmission connection with one end of a farming speed changing box on the agricultural implement suspension mechanism, the other end of the farming speed changing box is in transmission connection with the sweet potato harvester, and, the walking gearbox is arranged on the frame in an inclined manner, so that a driver seat can be conveniently placed.
The stone-proof emergency stop device is connected with a pull rod on the sweet potato harvester in a cross shape through at least one longitudinal rod, and the pull rod on the longitudinal rod and the sweet potato harvester is also provided with a reinforcing plate.
After the structure is adopted, the stone-preventing sudden stop device which can swing up and down along with the cultivation gearbox and the sweet potato harvester is arranged on the cultivation gearbox between the sweet potato harvester and the crawler travelling mechanism, and the travelling gearbox is obliquely arranged on the frame, so that a driver seat is convenient to place. Thereby achieving the purpose of stopping the machine when encountering stones.
Description of the drawingsthe present invention will be described in further detail below with reference to the accompanying drawings and examples.
FIG. 1 is a schematic front view of a self-propelled sweet potato harvester with a stone-proof emergency stop device of the invention.
FIG. 2 is a partially enlarged perspective view of the self-propelled sweet potato harvester with the stone-proof emergency stop device of the present invention.
FIG. 3 is a schematic main sectional view of the telescopic rod structure of the self-propelled sweet potato harvester with the stone-proof emergency stop device of the invention.
FIG. 4 is a schematic perspective view of the power part of the self-propelled sweet potato harvester with the stone-proof emergency stop device of the invention.
FIG. 5 is a schematic bottom view of a self-propelled sweet potato harvester touch plate with a stone-proof scram device of the invention.
FIG. 6 is a schematic perspective view of the self-propelled sweet potato harvester regulating mechanism with the stone-proof emergency stop device of the invention.
FIG. 7 is a perspective view of the guide plate of the self-propelled sweet potato harvester with the stone-proof emergency stop device of the invention.
FIG. 8 is a partially enlarged perspective view of another embodiment of the self-propelled sweet potato harvester with stone-proof emergency stop device of the present invention.
In the figure: 1. the engine 2, the driver seat 3, the farming gearbox 4, the sweet potato harvester 5, the stone-preventing emergency stop device 6, the crawler walking mechanism 7, the second cross rod 8, the first cross rod 9, the telescopic rod structure 10, the soil-dividing plate 11, the vertical rod 12, the touch plate 13, the first sleeve 14, the second sleeve 15, the large pipe 16, the spring 17, the touch switch 18, the waistcoat 19, the top pipe 20, the small pipe 21, the end cover 22, the bulge 23, the walking gearbox 24, the adjusting mechanism 25, the chain transmission box 26, the rack 27, the guide plate 28 and the longitudinal rod.
Detailed description of the inventionas shown in the accompanying drawings 1 and 4, the self-propelled sweet potato harvester with stone-preventing emergency stop device of the invention comprises a frame 26, crawler walking mechanisms 6 arranged at both sides of the frame 26, an engine 1 arranged at the front end of the frame 26, an agricultural implement suspension mechanism arranged at the rear end of the frame 26 and a variable speed control device arranged on the frame 26, wherein the variable speed control device comprises belt pulleys, a V-belt, a continuously variable transmission, a walking gearbox 23 and a chain transmission box 25, the belt pulleys connected with a flywheel shaft of the engine 1 are respectively in transmission connection with an input shaft of the continuously variable transmission and an input shaft of the chain transmission box 25 through the V-belt, an output shaft of the continuously variable transmission is in transmission connection with the walking gearbox 23, the continuously variable transmission is connected with a gear change mechanism, the chain transmission box 25 is in transmission connection with one end of a farming gearbox 3 on the agricultural implement suspension mechanism, and the, a stone-preventing sudden stop device 5 capable of swinging up and down along with the cultivation gearbox 3 and the sweet potato harvester 4 is arranged on the cultivation gearbox 3 between the sweet potato harvester 4 and the crawler belt travelling mechanism 6, and the travelling gearbox 23 is obliquely arranged on the rack 26, so that the driver seat 2 can be conveniently placed.
Fig. 2, fig. 5 show stone emergency stop device 5 is by first horizontal pole 8, second horizontal pole 7, montant 11, divide native board 10, touch panel 12 and telescopic link structure 9 are constituteed, first horizontal pole 8 is the form setting of being parallel to each other on 3 bottom surfaces of farming gearbox with second horizontal pole 7, there is montant 11 upper end at 8 both ends of first horizontal pole respectively swing joint, montant 11 lower extreme and touch panel 12 swing joint, be provided with branch native board 10 in two montant 11 lower parts, still swing joint has telescopic link structure 9 lower extremes respectively in two montant 11 lower parts, telescopic link structure 9 upper end and 7 both ends difference swing joint of second horizontal pole.
The telescopic rod structure 9 shown in fig. 3 is composed of a large tube 15, a small tube 20, a spring 16 and a contact switch 17, wherein the spring 16 is arranged in the large tube 15 with one closed end, a part of the small tube 20 is arranged in the spring 16, the contact switch 17 is arranged in the small tube 20, one end of the contact switch 17 which can be electrically connected with a clutch device extends out of a part of the small tube 20 and is close to the closed end of the large tube 15 so as to be convenient for touching a bulge 22 in the closed end of the large tube 15, and an end cover 21 which can adjust the force of the spring 16, prevent the small tube 20 from being separated and facilitate the small tube 20 to pass through is arranged at the; the outer surface of the small pipe 20 is provided with a sleeveless jacket 18 which is convenient to contact with one end of the spring 16 and prevents the small pipe 20 from separating from the large pipe 15, the axial section of the sleeveless jacket 18 and the small pipe 20 is in a cross shape, a top pipe 19 is further arranged on the small pipe 20 between the sleeveless jacket 18 and the end cover 21, one end of the top pipe 19 is in contact with one surface of the sleeveless jacket 18, the other end of the top pipe 19 is in contact with the inner surface of the end cover 21, the length of the top pipe 19 is larger than the distance from one surface of the sleeveless jacket 18 close to the end cover 21 to the opening end surface of the large pipe 15 and smaller than the distance from the inner surface of the end cover 21 to one surface of the.
The upper ends of two vertical rods 11 shown in the attached figure 2 are respectively movably connected with the two ends of a first cross rod 8 through a first sleeve 13 and a bolt, so that the adjustment is convenient according to the sizes of potato ridges; the upper ends of the two telescopic rod structures 9 are movably connected with the two ends of the second cross rod 7 through second sleeves 14 and bolts respectively, and adjustment according to the sizes of the potato ridges is facilitated.
The chain transmission case 25 shown in the attached figures 4 and 6 is provided with an adjusting mechanism 24 which is convenient for adjusting the inclination angle of the walking gearbox 23 and the tension degree of the V-belt, one end of the adjusting mechanism 24 is connected with the walking gearbox 23, and the other end of the adjusting mechanism 24 is connected with the chain transmission case 25.
As shown in fig. 7, an L-shaped guide plate 27 for facilitating the inclined swing of the traveling transmission 23 at a predetermined angle is provided on the frame 26, and an arc-shaped long-hole slot for facilitating the penetration of a bolt is provided on a vertical plate of the guide plate 27 perpendicular to the horizontal plane of the frame 26.
The self-propelled sweet potato harvester with the stone-preventing emergency stop device shown in the attached figure 8 can also comprise a frame 26, crawler walking mechanisms 6 positioned on two sides of the frame 26, an engine 1 positioned on the front end of the frame 26, an agricultural implement suspension mechanism positioned on the rear end of the frame 26 and a variable speed control device positioned on the frame 26, wherein the variable speed control device comprises belt pulleys, a V-belt, a continuously variable transmission, a walking gearbox 23 and a chain transmission case 25, the belt pulleys connected with a flywheel shaft of the engine 1 are respectively in transmission connection with an input shaft of the continuously variable transmission and an input shaft of the chain transmission case 25 through the V-belt, an output shaft of the continuously variable transmission is in transmission connection with the walking gearbox 23, the continuously variable transmission is connected with a gear shifting mechanism, the chain transmission case 25 is in transmission connection with one end of a farming gearbox 3 on the agricultural implement suspension mechanism, and the other end, a stone-preventing emergency stop device 5 which can swing up and down along with the cultivation gearbox 3 and the sweet potato harvester 4 is arranged in front of the sweet potato harvester 4, and the walking gearbox 23 is obliquely arranged on the rack 26, so that a driver seat 2 can be conveniently placed; the stone-proof emergency stop device 5 is connected with a pull rod on the sweet potato harvester 4 in a cross shape through at least one longitudinal rod 28, and the pull rod on the longitudinal rod 28 and the sweet potato harvester 4 is also provided with a reinforcing plate.
Claims (10)
1. The utility model provides a self-propelled sweet potato harvester of stone scram prevention device in area, by the frame with be located the track running gear of frame both sides, the engine that is located the front end on the frame, the agricultural implement that is located the frame upper end hangs the mechanism and is located the variable speed control device on the frame and constitute, variable speed control device comprises belt pulley, V-belt, buncher, walking gearbox and chain drive case, the belt pulley that can be connected with engine flywheel axle is connected through V-belt and buncher input shaft transmission connection respectively, buncher output shaft and walking gearbox transmission connection, be connected with the gear change mechanism on the buncher, the chain drive case is connected with farming gearbox transmission one end transmission on the agricultural implement hangs the mechanism, the farming gearbox other end and sweet potato harvester transmission connection, its characterized in that: a stone-preventing emergency stop device (5) capable of swinging up and down along with the cultivation gearbox (3) and the sweet potato harvester (4) is arranged on the cultivation gearbox (3) between the sweet potato harvester (4) and the crawler walking mechanism (6), and the walking gearbox (23) is obliquely arranged on the rack (26) so as to be convenient for placing the driver seat (2).
2. The self-propelled sweet potato harvester with stone-proof scram device of claim 1, characterized in that: prevent stone scram device (5) by first horizontal pole (8), second horizontal pole (7), montant (11), divide native board (10), touch panel (12) and telescopic link structure (9) are constituteed, first horizontal pole (8) are the form of being parallel to each other with second horizontal pole (7) and set up on farming gearbox (3) bottom surface, there are montant (11) upper end at first horizontal pole (8) both ends swing joint respectively, montant (11) lower extreme and touch panel (12) swing joint, be provided with branch native board (10) in two montant (11) lower parts, there are telescopic link structure (9) lower extreme still respectively swing joint in two montant (11) lower parts, telescopic link structure (9) upper end and second horizontal pole (7) both ends swing joint respectively.
3. The self-propelled sweet potato harvester with stone-proof scram device of claim 2, characterized in that: the telescopic rod structure (9) is composed of a large tube (15), a small tube (20), a spring (16) and a contact switch (17), the spring (16) is arranged in the large tube (15) with one closed end, one part of the small tube (20) is arranged in the spring (16), the contact switch (17) is arranged in the small tube (20), one end of the contact switch (17) which can be electrically connected with a clutch device extends out of one part of the small tube (20) and is close to the closed end of the large tube (15), a bulge (22) in the closed end of the large tube (15) is convenient to touch, and an end cover (21) which can adjust the force of the spring (16), prevent the small tube (20) from being separated and is convenient for the small tube (20) to pass through is arranged at the other open end of the large tube (15).
4. The self-propelled sweet potato harvester with stone-proof scram device of claim 3, characterized in that: the outer surface of the small pipe (20) is provided with a sleeveless jacket (18) which is convenient to contact with one end of the spring (16) and prevents the small pipe (20) from separating from the large pipe (15), the axial sections of the sleeveless jacket (18) and the small pipe (20) are in a cross shape, a top pipe (19) is further arranged on the small pipe (20) between the sleeveless jacket (18) and the end cover (21), one end of the top pipe (19) is in contact with one surface of the sleeveless jacket (18), and the other end of the top pipe (19) is in contact with the inner surface of the end cover (21).
5. The self-propelled sweet potato harvester with stone-proof scram device of claim 2, characterized in that: the upper ends of the two vertical rods (11) are respectively movably connected with the two ends of the first cross rod (8) through a first sleeve (13) and a bolt, so that the adjustment can be conveniently carried out according to the sizes of the potato ridges.
6. The self-propelled sweet potato harvester with stone-proof scram device of claim 2, characterized in that: the upper ends of the two telescopic rod structures (9) are movably connected with the two ends of the second cross rod (7) through a second sleeve (14) and a bolt respectively, so that the adjustment can be conveniently carried out according to the sizes of the potato ridges.
7. The self-propelled sweet potato harvester with stone-proof scram device of claim 1, characterized in that: an adjusting mechanism (24) which is convenient for adjusting the inclination angle of the walking gearbox (23) and the tension degree of the V-belt is arranged on the chain transmission case (25), one end of the adjusting mechanism (24) is connected with the walking gearbox (23), and the other end of the adjusting mechanism (24) is connected with the chain transmission case (25).
8. The self-propelled sweet potato harvester with stone-proof scram device of claim 1, characterized in that: the frame (26) is provided with an L-shaped guide plate (27) which is convenient for the walking gearbox (23) to obliquely swing according to a specified angle, and the vertical plate of the guide plate (27) vertical to the horizontal plane of the frame (26) is provided with an arc-shaped long eye groove which is convenient for a bolt to pass through.
9. The utility model provides a self-propelled sweet potato harvester of stone scram prevention device in area, by the frame with be located the track running gear of frame both sides, the engine that is located the front end on the frame, the agricultural implement that is located the frame upper end hangs the mechanism and is located the variable speed control device on the frame and constitute, variable speed control device comprises belt pulley, V-belt, buncher, walking gearbox and chain drive case, the belt pulley that can be connected with engine flywheel axle is connected through V-belt and buncher input shaft transmission connection respectively, buncher output shaft and walking gearbox transmission connection, be connected with the gear change mechanism on the buncher, the chain drive case is connected with farming gearbox transmission one end transmission on the agricultural implement hangs the mechanism, the farming gearbox other end and sweet potato harvester transmission connection, its characterized in that: the stone-preventing emergency stop device (5) capable of swinging up and down along with the cultivation gearbox (3) and the sweet potato harvester (4) is arranged in front of the sweet potato harvester (4), and the walking gearbox (23) is obliquely arranged on the rack (26) so as to be convenient for placing the driver seat (2).
10. The self-propelled sweet potato harvester with stone-proof scram device of claim 9, characterized in that: the stone-proof emergency stop device (5) is connected with a pull rod on the sweet potato harvester (4) in a cross shape through at least one longitudinal rod (28), and the pull rod on the longitudinal rod (28) and the sweet potato harvester (4) is also provided with a reinforcing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562210.1A CN112400447A (en) | 2020-12-25 | 2020-12-25 | Self-propelled sweet potato harvester with stone-proof emergency stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562210.1A CN112400447A (en) | 2020-12-25 | 2020-12-25 | Self-propelled sweet potato harvester with stone-proof emergency stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112400447A true CN112400447A (en) | 2021-02-26 |
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ID=74782646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011562210.1A Pending CN112400447A (en) | 2020-12-25 | 2020-12-25 | Self-propelled sweet potato harvester with stone-proof emergency stop device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112400447A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1348903A (en) * | 1963-02-20 | 1964-01-10 | Strix S A | Device for mounting a work instrument at the rear of a vehicle |
| CN201499446U (en) * | 2009-01-23 | 2010-06-09 | 崔祥联 | potato harvester |
| CN201888093U (en) * | 2010-02-01 | 2011-07-06 | 崔祥联 | Sweet potato harvester |
| CN203446229U (en) * | 2012-08-06 | 2014-02-26 | 株式会社久保田 | Harvester |
| CN108657094A (en) * | 2018-07-05 | 2018-10-16 | 广东纵行科技有限公司 | A kind of collision prevention device |
| CN108668543A (en) * | 2018-05-28 | 2018-10-19 | 金寨益企学农业科技有限公司 | A kind of agricultural dry farmland seeder tool equipment |
| CN210610289U (en) * | 2019-08-21 | 2020-05-26 | 唐山师范学院 | A seeder for orchard interplanting millet |
| CN214413499U (en) * | 2020-12-25 | 2021-10-19 | 福建诚德农业机械有限公司 | Self-propelled sweet potato harvester with stone-proof emergency stop device |
-
2020
- 2020-12-25 CN CN202011562210.1A patent/CN112400447A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1348903A (en) * | 1963-02-20 | 1964-01-10 | Strix S A | Device for mounting a work instrument at the rear of a vehicle |
| CN201499446U (en) * | 2009-01-23 | 2010-06-09 | 崔祥联 | potato harvester |
| CN201888093U (en) * | 2010-02-01 | 2011-07-06 | 崔祥联 | Sweet potato harvester |
| CN203446229U (en) * | 2012-08-06 | 2014-02-26 | 株式会社久保田 | Harvester |
| CN108668543A (en) * | 2018-05-28 | 2018-10-19 | 金寨益企学农业科技有限公司 | A kind of agricultural dry farmland seeder tool equipment |
| CN108657094A (en) * | 2018-07-05 | 2018-10-16 | 广东纵行科技有限公司 | A kind of collision prevention device |
| CN210610289U (en) * | 2019-08-21 | 2020-05-26 | 唐山师范学院 | A seeder for orchard interplanting millet |
| CN214413499U (en) * | 2020-12-25 | 2021-10-19 | 福建诚德农业机械有限公司 | Self-propelled sweet potato harvester with stone-proof emergency stop device |
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