CN211959962U - Positive and negative rotation ditching and depth limiting seeder - Google Patents
Positive and negative rotation ditching and depth limiting seeder Download PDFInfo
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- CN211959962U CN211959962U CN201922465238.2U CN201922465238U CN211959962U CN 211959962 U CN211959962 U CN 211959962U CN 201922465238 U CN201922465238 U CN 201922465238U CN 211959962 U CN211959962 U CN 211959962U
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Abstract
The utility model relates to a positive and negative rotation ditching and depth limiting seeder, which comprises an intermediate transmission case, a three-point suspension mechanism, a frame, a disc ditching and rotary tillage integrated device, a pressing and depth limiting roller, a rotary tillage soil covering device and a seeding case, wherein the intermediate transmission case and the three-point suspension mechanism are both fixed on the frame, and the three-point suspension device is used for being connected with a tractor; the disc ditching and rotary tillage integrated device, the compacting depth-limiting roller and the rotary tillage soil covering device are sequentially arranged at the bottom of the frame from front to back along the advancing direction of the seeder, the disc ditching and rotary tillage integrated device and the rotary tillage soil covering device are respectively in transmission connection with a middle transmission case, the disc ditching and rotary tillage integrated device is a counter-rotating rotary tillage device, the rotary tillage soil covering device is a forward-rotating rotary tillage device, and a plurality of protruding rings are arranged on the compacting depth-limiting roller; the seeding box is fixed above the frame, and the bottom of the seeding box is provided with a seed conveying pipe; the utility model discloses a seeder is difficult for sinking and difficult hilling.
Description
Technical Field
The utility model relates to a machine of sowing in limited depth of ditching is ditched to positive derotation belongs to agricultural machine technical field.
Background
The existing reverse rotation seeder for the clay soil has heavy weight of the machine body, and the whole machine is easy to sink during the operation of the clay soil, so that the machine is seriously heaped up; meanwhile, the tire indentation of the tractor is difficult to eliminate, the rotary tillage and sowing operation quality is seriously affected, and the sowing depth is different.
In addition, the prior seeder is not provided with a ditching device or a core-share type ditching device, which can not adapt to the clay rotten land operation, thereby causing hilling in the middle of the machine.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art, provide a positive derotation ditching limit deep-sowing machine that is difficult for sinking and is difficult for hilling.
In order to achieve the above object, the utility model provides a technical scheme does: a positive and negative rotation ditching and depth limiting seed sowing machine comprises a middle transmission case, a three-point suspension mechanism, a frame, a disc ditching and rotary tillage integrated device, a pressing and depth limiting roller, a rotary tillage soil covering device and a seed sowing case, wherein the middle transmission case and the three-point suspension mechanism are both fixed on the frame, and the three-point suspension mechanism is used for being connected with a tractor; the disc ditching and rotary tillage integrated device, the compacting depth-limiting roller and the rotary tillage soil covering device are sequentially arranged at the bottom of the frame from front to back along the advancing direction of the seeder, the disc ditching and rotary tillage integrated device and the rotary tillage soil covering device are respectively in transmission connection with a middle transmission case, the disc ditching and rotary tillage integrated device is a counter-rotating rotary tillage device, the rotary tillage soil covering device is a forward-rotating rotary tillage device, and a plurality of protruding rings are arranged on the compacting depth-limiting roller; the seeding box is fixed above the frame, and the bottom of the seeding box is provided with a seed conveying pipe.
The technical scheme is further designed as follows: the machine frame comprises a front machine frame and a rear machine frame, the middle transmission case, the three-point suspension mechanism and the seeding case are all arranged above the front machine frame, the disc ditching and rotary tillage integrated device is arranged at the bottom of the front machine frame, and the pressing depth-limiting roller and the rotary tillage soil-covering device are arranged at the bottom of the rear machine frame; the front frame and the rear frame are connected through a rotary tillage soil covering depth adjusting device, and the height of the rear frame can be adjusted up and down through the rotary tillage soil covering depth adjusting device.
The rotary tillage soil covering depth adjusting device comprises a turntable, a screw rod, a fixed sleeve and a movable sleeve, wherein the turntable is rotatably connected to the top of the fixed sleeve, the screw rod is fixed at the bottom of the turntable, the movable sleeve is slidably connected in the fixed sleeve and is provided with a threaded hole, and the screw rod extends into the fixed sleeve and is in threaded connection with the movable sleeve; rotating the turntable, and enabling the movable sleeve to slide up and down in the fixed sleeve; the fixed sleeve is fixedly connected with the front frame, and the movable sleeve is fixedly connected with the rear frame.
The seeder still is equipped with suppression limit roller degree of depth adjusting device, through the adjustable suppression limit roller of suppression limit roller degree of depth adjusting device height for the rear frame.
Side plates are arranged on two sides of the rear rack, vertically arranged strip-shaped holes are formed in the side plates, the suppression depth-limiting roller depth adjusting device comprises flange plates which are rotatably connected to two ends of the shaft portion of the suppression depth-limiting roller, round holes are formed in the flange plates at positions corresponding to the strip-shaped holes, and the flange plates sequentially penetrate through the strip-shaped holes and the round holes through pin shafts and are connected to the side plates; the side plate is provided with an adjusting bolt, and one end of the adjusting bolt is abutted against the flange plate; and rotating the adjusting bolt to push the flange plate to slide up and down along the strip-shaped hole.
The compacting depth-limiting roller is of a bilateral symmetry structure, shaft heads are arranged at two ends of the compacting depth-limiting roller, a ditch passing shaft is arranged in the middle of the compacting depth-limiting roller, and compacting rollers are arranged at two sides of the ditch passing shaft; the ring flange rotates to be connected on the axle head, protruding ring sets up along suppression roller circumference, and a plurality of protruding rings evenly set up along suppression roller axial.
The disc ditching and rotary tillage integrated device comprises a connecting shaft, a bearing seat and a rotary tillage cutter shaft, wherein the connecting shaft is rotatably connected with the bearing seat through a bearing, the bearing seat is fixedly connected with the front frame, one end of the connecting shaft is in transmission connection with the middle transmission case, the other end of the connecting shaft is fixedly connected with the rotary tillage cutter shaft, a rotary tillage cutter magazine, a wall cutter magazine and a ditching disc are arranged on the rotary tillage cutter shaft, the ditching disc is positioned in the middle of the rotary tillage cutter shaft and is provided with a plurality of disc cutter magazines, and disc cutters are arranged; a plurality of wall tool magazines are symmetrically arranged at two sides of the ditching disc, and wall tools are arranged on the wall tool magazines; a plurality of rotary blade storehouses are symmetrically arranged on the rotary blade shaft, and rotary blades are arranged on the rotary blade storehouses.
The seeder still includes hangs the flat board, hang flat board upper end and articulate on the rear frame, and hang the flat board and lie in rotary tillage earthing device rear along the seeder direction of advance.
The seeder also comprises a hanging plate angle adjusting device, wherein the hanging plate angle adjusting device comprises a rotary table, a screw rod, a fixed sleeve, a movable sleeve and a spring rod, the rotary table is rotatably connected to the top of the fixed sleeve, the screw rod is fixed at the bottom of the rotary table, the movable sleeve is slidably connected in the fixed sleeve and provided with a threaded hole, and the screw rod extends into the fixed sleeve and is in threaded connection with the movable sleeve; rotating the turntable, and enabling the movable sleeve to slide up and down in the fixed sleeve; the fixed sleeve is fixedly connected with the rear rack, the movable sleeve is hinged to the middle of the spring rod, the upper end of the spring rod is hinged to the rear rack, and the lower end of the spring rod is hinged to the lower end of the hanging plate.
The seeder still includes electronic seed metering device, electronic seed metering device includes motor and seed metering sprocket group, two sprockets of seed metering sprocket group set up respectively on motor output shaft and seeding case, connect through the chain between two sprockets.
The utility model has the advantages that:
the utility model arranges the press depth-limiting roller between the front and the back cutter shafts, which can reduce the sinking phenomenon of the tool during the operation in the rotten land, and the press depth-limiting roller can be adjusted up and down to control the operation depth of the whole machine; in addition, the press depth-limiting roller is provided with the convex ring, so that the resistance can be increased, the slipping is reduced, meanwhile, the soil adhesion is avoided, and the phenomenon of hilling of machines is relieved.
The utility model discloses a seeder sets up the disc furrow opener on the rotary tillage arbor, compares with current soil sticking contra-rotation seeder and has reduced independent ditching link, and the operating efficiency improves.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a transmission device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the disk ditching and rotary tillage integrated device in FIG. 1;
FIG. 4 is a schematic view of the structure of the pressing depth-limiting roller shown in FIG. 1;
fig. 5 is a schematic structural view of the depth adjusting device of the compacting depth-limiting roller in fig. 1.
In the figure: 1. the device comprises a middle transmission case, 2, a three-point suspension mechanism, 3, a front frame, 4, a disc ditching and rotary tillage integrated device, 5, a press depth limiting roller, 6, a press depth limiting roller depth adjusting device, 7, a rotary tillage soil covering device, 8, a hanging plate, 9, a hanging plate angle adjusting device, 10, a seed conveying pipe, 11, a seeding case, 12, an electric seed sowing device, 13, a rotary tillage soil covering depth adjusting device, 14-a rear frame, 15-a spring rod, 4-1, a rotary tillage cutter shaft, 4-2, a rotary tillage cutter, 4-3, a rotary tillage cutter base, 4-4, a wall cutter base, 4-5, a wall cutter, 4-6, a ditching disc, 4-7, a disc cutter, 4-8, a disc cutter base, 4-9, a bearing base, 4-10, a bearing, 4-11, a connecting shaft, 5-1, a shaft head, 5-2, a ditching disc, a rotary, 5-3 parts of a pressing roller, 5-4 parts of a raised ring, 6-1 parts of a ditch passing shaft, 6-2 parts of a flange plate, 6-3 parts of a circular hole, 6-4 parts of a strip-shaped hole and an adjusting bolt.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 and fig. 2, the forward and reverse rotation ditching and depth limiting seed sowing machine of the present embodiment comprises an intermediate transmission case 1, a three-point suspension mechanism 2, a frame, a disc ditching and rotary tillage integrated device 4, a pressing and depth limiting roller 5, a rotary tillage soil covering device 7 and a seed sowing case 11; in the embodiment, the frame comprises a front frame 3 and a rear frame 14, the middle transmission case 1, the three-point suspension mechanism 3 and the seeding case 11 are all arranged above the front frame 3, the disc ditching and rotary tillage integrated device 4 is arranged at the bottom of the front frame 3, and the pressing depth-limiting roller 5 and the rotary tillage soil-covering device 7 are arranged at the bottom of the rear frame 14; the three-point suspension device 2 is used for being connected with a tractor; the disc ditching and rotary tillage integrated device 4, the pressing depth-limiting roller 5 and the rotary tillage soil-covering device 7 are sequentially arranged from front to back along the advancing direction of the seeder.
Referring to fig. 2, two sides of the middle transmission case 1 are respectively provided with a transmission shaft, one side of the transmission shaft is in transmission connection with the shaft of the integrated disc ditching and rotary tillage device, the other side of the transmission shaft is connected with a secondary transmission shaft and is in transmission connection with the rotary tillage soil covering device 7 through the secondary transmission shaft, the integrated disc ditching and rotary tillage device 4 is a counter-rotating rotary tillage device, and the rotary tillage soil covering device 7 is a forward-rotating rotary tillage device.
Referring to fig. 4, in the embodiment, the compacting depth-limiting roller 5 has a bilateral symmetry structure, the two ends are provided with shaft heads 5-1, the middle part is provided with a ditch passing shaft 5-4, and the two sides of the ditch passing shaft 5-4 are provided with compacting rollers 5-2; the pressing roller 5-2 is provided with a plurality of protruding rings 5-3, the protruding rings 5-3 are arranged along the circumferential direction of the pressing roller, and the protruding rings 5-3 are evenly arranged along the axial direction of the pressing roller 5-2.
In this embodiment, the sowing box 11 is fixed above the front frame 3, and the bottom of the sowing box is provided with the seed conveying pipe 10, and the bottom of the seed conveying pipe 10 is close to the ground and is positioned between the pressing depth-limiting roller 5 and the rotary tillage soil-covering device 7. The seeder of this embodiment still includes electronic seed metering device 12, electronic seed metering device 12 includes motor and seed metering sprocket group, two sprockets of seed metering sprocket group set up respectively on motor output shaft and seeding case 11, connect through the chain between two sprockets, and the motor shaft rotates, drives the sprocket and rotates, and the seed in the seeding case 11 flows to ground along seed delivery pipe 10.
The seeder complete machine of this embodiment hangs in the tractor rear through three point suspension mechanism 2, and the tractor passes through the universal joint with power input middle transmission case 1, and middle transmission case 1 distributes power to the integrative device 4 of disc ditching rotary tillage and the rotary tillage earthing device 7 in rear from both sides through gearbox and transmission shaft. When the rotary tillage machine works, the front-mounted integrated disc ditching and rotary tillage device 4 carries out first reverse rotation and disc ditching operation, the compacting and flattening of soil after reverse rotation is carried out by the compacting and depth limiting roller 5, at the moment, the seeds in the seeding box 11 are sowed on the compacted and flattened soil in a row by the electric seed metering device 12 through the seed conveying pipe 10, and the soil is covered on the seeds through rotary tillage and rotary tillage by the short-blade dense-tooth rotary tillage cutter through the rear-mounted rotary tillage soil covering device 7.
In this embodiment, the front frame 3 and the rear frame 14 are connected by a rotary tillage soil covering depth adjusting device 13, and the height of the rear frame 14 can be adjusted up and down by the rotary tillage soil covering depth adjusting device 13.
In the embodiment, the rotary tillage soil covering depth adjusting device 13 comprises a rotary table, a screw rod, a fixed sleeve and a movable sleeve, wherein the rotary table is rotatably connected to the top of the fixed sleeve, the screw rod is fixed at the bottom of the rotary table, the movable sleeve is slidably connected in the fixed sleeve and is provided with a threaded hole, and the screw rod extends into the fixed sleeve and is in threaded connection with the movable sleeve; rotating the turntable, and enabling the movable sleeve to slide up and down in the fixed sleeve; the fixed sleeve is fixedly connected with the front frame 3, and the movable sleeve is fixedly connected with the rear frame 14.
The seeder of this embodiment still includes and hangs dull and stereotyped 8, hang dull and stereotyped 8 upper end and articulate on rear frame 14, and hang dull and stereotyped 8 and lie in rotary tillage earthing device 7 rear along the seeder direction of advance. The angle of the hanging flat plate 8 can be adjusted through the hanging flat plate angle adjusting device 9, the structure of the hanging flat plate angle adjusting device 9 is similar to that of the rotary tillage soil covering depth adjusting device 13, the hanging flat plate angle adjusting device comprises a rotary table, a screw rod, a fixed sleeve, a movable sleeve and a spring rod 15, the rotary table is rotatably connected to the top of the fixed sleeve, the screw rod is fixed at the bottom of the rotary table, the movable sleeve is slidably connected into the fixed sleeve and provided with a threaded hole, and the screw rod extends into the fixed sleeve and is in threaded connection with the; rotating the turntable, and enabling the movable sleeve to slide up and down in the fixed sleeve; the fixed sleeve is fixedly connected with the rear rack 14, the movable sleeve is hinged with the middle of the spring rod 15, the upper end of the spring rod 15 is hinged with the rear rack 14, and the lower end of the spring rod is hinged with the lower end of the hanging flat plate 8.
In the embodiment, the rotary tillage soil covering depth adjusting device 13 is used for adjusting and controlling the soil covering operation to be 2-3cm in depth, and the soil covering operation is strickleed off by the hanging plate 8, so that the ridge surface is flat and the sowing depth is consistent.
The sowing machine of the embodiment shown in connection with fig. 5 is further provided with a press depth-limiting roller depth adjusting device 6, and the height of the press depth-limiting roller 5 relative to the rear frame 14 can be adjusted by the press depth-limiting roller depth adjusting device 6.
Side plates are arranged on two sides of the rear rack 14, strip-shaped holes 6-3 which are vertically arranged are formed in the side plates, the compacting depth-limiting roller depth adjusting device 6 comprises flange plates 6-1 which are rotatably connected to shaft heads 5-1 at two ends of a compacting depth-limiting roller 5, round holes 6-2 are formed in the positions, corresponding to the strip-shaped holes 6-3, of the flange plates 6-1, and the flange plates 6-1 sequentially penetrate through the strip-shaped holes 6-3 and the round holes 6-2 through pin shafts to be connected to the side plates; the side plate is provided with an adjusting bolt 6-4, the adjusting bolt 6-4 is in threaded connection with the side plate, the adjusting bolt 6-4 is rotated, the adjusting bolt 6-4 can move up and down relative to the side plate, and one end of the adjusting bolt 6-4 abuts against the flange plate 6-1; the adjusting bolts 6-4 are rotated to push the flange 6-1 to slide up and down along the strip-shaped holes 6-3, so that the height of the pressing depth limiting roller 5 is adjusted, and the purpose of adjusting the operation depth of the whole machine is achieved.
Referring to fig. 3, the disc ditching and rotary tillage integrated device 4 comprises a connecting shaft 4-11, bearing seats 4-9 and a rotary tillage cutter shaft 4-1, wherein the connecting shaft 4-11 is rotatably connected with the bearing seats 4-9 through bearings 4-10, the bearing seats 4-9 are fixedly connected with a front frame 3, one end of the connecting shaft 4-11 is in transmission connection with an intermediate transmission case 1, the other end of the connecting shaft is fixedly connected with the rotary tillage cutter shaft 1, a rotary tillage cutter bank 4-3, a wall cutter bank 4-4 and a ditching disc 4-6 are arranged on the rotary tillage cutter shaft 1, the ditching disc 4-6 is positioned in the middle of the rotary tillage cutter shaft 4-1 and is provided with a plurality of groups of disc cutter banks 4-8, and each group of disc cutter banks 4-8 is provided with a; two groups of wall tool magazines 4-4 are symmetrically arranged at two sides of the ditching disc 4-6, three wall tool magazines 4-4 are arranged on the plane of each group of wall tool magazines, and each wall tool magazine 4-4 is provided with a wall tool 4-5; a plurality of groups of rotary blade banks 4-3 are symmetrically arranged on two sides of the rotary blade shaft 4-1, and rotary blades 4-2 are arranged on each group of rotary blade banks 4-3. In the embodiment, the rotary tillage cutter shaft 4-1 is provided with the reverse rotation device and the disc ditching device, so that the ditching and reverse rotation functions are realized.
The seeder of the embodiment is suitable for sowing in clay rotten lands, integrates five processes of ditching, counter-rotating, flat land, sowing and pressing, is beneficial to improving soil fineness, stubble cleaning, leveling and compacting degree of the clay rotten lands, and solves the problem of influence of tire indentation of a tractor on land leveling. The process of independent ditching when reducing current seeding is favorable to reducing the tractor and rolls the number of times, reduces the operating cost, improves the soil preparation efficiency. Compared with the traditional single operation, the labor intensity and the operation cost of the machine are greatly reduced, the operation quality and the efficiency are greatly improved, and the agricultural production benefit is obviously increased. The machine has the advantages of simple and compact ditching structure, small resistance, low manufacturing cost, good ditching quality, low power consumption and the like.
The technical scheme of the utility model is not limited to above-mentioned each embodiment, and the technical scheme that all adopt to equate substitution mode to obtain all falls the utility model discloses the within range that claims.
Claims (10)
1. A positive and negative rotation ditching and depth limiting seeder is characterized in that: the rotary tillage and soil covering device comprises a middle transmission case, a three-point suspension mechanism, a frame, a disc ditching and rotary tillage integrated device, a pressing depth-limiting roller, a rotary tillage and soil covering device and a seeding box, wherein the middle transmission case and the three-point suspension mechanism are fixed on the frame, and the three-point suspension device is used for being connected with a tractor; the disc ditching and rotary tillage integrated device, the compacting depth-limiting roller and the rotary tillage soil covering device are sequentially arranged at the bottom of the frame from front to back along the advancing direction of the seeder, the disc ditching and rotary tillage integrated device and the rotary tillage soil covering device are respectively in transmission connection with a middle transmission case, the disc ditching and rotary tillage integrated device is a counter-rotating rotary tillage device, the rotary tillage soil covering device is a forward-rotating rotary tillage device, and a plurality of protruding rings are arranged on the compacting depth-limiting roller; the seeding box is fixed above the frame, and the bottom of the seeding box is provided with a seed conveying pipe.
2. The machine of claim 1 for sowing in furrowing and depth-limiting manner, wherein: the machine frame comprises a front machine frame and a rear machine frame, the middle transmission case, the three-point suspension mechanism and the seeding case are all arranged above the front machine frame, the disc ditching and rotary tillage integrated device is arranged at the bottom of the front machine frame, and the pressing depth-limiting roller and the rotary tillage soil-covering device are arranged at the bottom of the rear machine frame; the front frame and the rear frame are connected through a rotary tillage soil covering depth adjusting device, and the height of the rear frame can be adjusted up and down through the rotary tillage soil covering depth adjusting device.
3. The counter-rotating ditching and depth-limiting seeder as claimed in claim 2, wherein: the rotary tillage soil covering depth adjusting device comprises a turntable, a screw rod, a fixed sleeve and a movable sleeve, wherein the turntable is rotatably connected to the top of the fixed sleeve, the screw rod is fixed at the bottom of the turntable, the movable sleeve is slidably connected in the fixed sleeve and is provided with a threaded hole, and the screw rod extends into the fixed sleeve and is in threaded connection with the movable sleeve; rotating the turntable, and enabling the movable sleeve to slide up and down in the fixed sleeve; the fixed sleeve is fixedly connected with the front frame, and the movable sleeve is fixedly connected with the rear frame.
4. The counter-rotating ditching and depth-limiting seeder as claimed in claim 2, wherein: the seeder still is equipped with suppression limit roller degree of depth adjusting device, through the adjustable suppression limit roller of suppression limit roller degree of depth adjusting device height for the rear frame.
5. The machine of claim 4 for sowing in furrowing and depth-limiting manner, wherein: side plates are arranged on two sides of the rear rack, vertically arranged strip-shaped holes are formed in the side plates, the suppression depth-limiting roller depth adjusting device comprises flange plates which are rotatably connected to two ends of the shaft portion of the suppression depth-limiting roller, round holes are formed in the flange plates at positions corresponding to the strip-shaped holes, and the flange plates sequentially penetrate through the strip-shaped holes and the round holes through pin shafts and are connected to the side plates; the side plate is provided with an adjusting bolt, and one end of the adjusting bolt is abutted against the flange plate; and rotating the adjusting bolt to push the flange plate to slide up and down along the strip-shaped hole.
6. The machine of claim 5 for sowing in furrowing and depth-limiting manner, wherein: the compacting depth-limiting roller is of a bilateral symmetry structure, shaft heads are arranged at two ends of the compacting depth-limiting roller, a ditch passing shaft is arranged in the middle of the compacting depth-limiting roller, and compacting rollers are arranged at two sides of the ditch passing shaft; the ring flange rotates to be connected on the axle head, protruding ring sets up along suppression roller circumference, and a plurality of protruding rings evenly set up along suppression roller axial.
7. The counter-rotating ditching and depth-limiting seeder as claimed in claim 2, wherein: the disc ditching and rotary tillage integrated device comprises a connecting shaft, a bearing seat and a rotary tillage cutter shaft, wherein the connecting shaft is rotatably connected with the bearing seat through a bearing, the bearing seat is fixedly connected with the front frame, one end of the connecting shaft is in transmission connection with the middle transmission case, the other end of the connecting shaft is fixedly connected with the rotary tillage cutter shaft, a rotary tillage cutter magazine, a wall cutter magazine and a ditching disc are arranged on the rotary tillage cutter shaft, the ditching disc is positioned in the middle of the rotary tillage cutter shaft and is provided with a plurality of disc cutter magazines, and disc cutters are arranged; a plurality of wall tool magazines are symmetrically arranged at two sides of the ditching disc, and wall tools are arranged on the wall tool magazines; a plurality of rotary blade storehouses are symmetrically arranged on the rotary blade shaft, and rotary blades are arranged on the rotary blade storehouses.
8. The counter-rotating ditching and depth-limiting seeder as claimed in claim 2, wherein: the seeder still includes hangs the flat board, hang flat board upper end and articulate on the rear frame, and hang the flat board and lie in rotary tillage earthing device rear along the seeder direction of advance.
9. The machine of claim 8 for sowing in furrowing and depth-limiting manner, wherein: the seeder also comprises a hanging plate angle adjusting device, wherein the hanging plate angle adjusting device comprises a rotary table, a screw rod, a fixed sleeve, a movable sleeve and a spring rod, the rotary table is rotatably connected to the top of the fixed sleeve, the screw rod is fixed at the bottom of the rotary table, the movable sleeve is slidably connected in the fixed sleeve and provided with a threaded hole, and the screw rod extends into the fixed sleeve and is in threaded connection with the movable sleeve; rotating the turntable, and enabling the movable sleeve to slide up and down in the fixed sleeve; the fixed sleeve is fixedly connected with the rear rack, the movable sleeve is hinged to the middle of the spring rod, the upper end of the spring rod is hinged to the rear rack, and the lower end of the spring rod is hinged to the lower end of the hanging plate.
10. The counter-rotating ditching and depth-limiting seeder as claimed in claim 2, wherein: the seeder still includes electronic seed metering device, electronic seed metering device includes motor and seed metering sprocket group, two sprockets of seed metering sprocket group set up respectively on motor output shaft and seeding case, connect through the chain between two sprockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922465238.2U CN211959962U (en) | 2019-12-31 | 2019-12-31 | Positive and negative rotation ditching and depth limiting seeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922465238.2U CN211959962U (en) | 2019-12-31 | 2019-12-31 | Positive and negative rotation ditching and depth limiting seeder |
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| CN211959962U true CN211959962U (en) | 2020-11-20 |
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| CN201922465238.2U Active CN211959962U (en) | 2019-12-31 | 2019-12-31 | Positive and negative rotation ditching and depth limiting seeder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942266A (en) * | 2021-02-05 | 2021-06-11 | 董晓亮 | High-efficiency ditching and drainage equipment for farmland |
| CN113179690A (en) * | 2021-05-14 | 2021-07-30 | 田永新 | Agricultural automatic sowing equipment |
| CN115413450A (en) * | 2022-09-14 | 2022-12-02 | 中国农业机械化科学研究院集团有限公司 | Grain drill and sowing depth control device and method thereof |
-
2019
- 2019-12-31 CN CN201922465238.2U patent/CN211959962U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942266A (en) * | 2021-02-05 | 2021-06-11 | 董晓亮 | High-efficiency ditching and drainage equipment for farmland |
| CN113179690A (en) * | 2021-05-14 | 2021-07-30 | 田永新 | Agricultural automatic sowing equipment |
| CN115413450A (en) * | 2022-09-14 | 2022-12-02 | 中国农业机械化科学研究院集团有限公司 | Grain drill and sowing depth control device and method thereof |
| CN115413450B (en) * | 2022-09-14 | 2023-08-18 | 中国农业机械化科学研究院集团有限公司 | Grain drill and sowing depth control device and method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |