CN113170635A - Structure and seeder are adjusted in adaptation of seeder - Google Patents
Structure and seeder are adjusted in adaptation of seeder Download PDFInfo
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- CN113170635A CN113170635A CN202110455019.5A CN202110455019A CN113170635A CN 113170635 A CN113170635 A CN 113170635A CN 202110455019 A CN202110455019 A CN 202110455019A CN 113170635 A CN113170635 A CN 113170635A
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- rotating frame
- base
- seed
- rotating
- adjusting mechanism
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
Abstract
The invention discloses an adaptive adjusting structure of a seeder and the seeder, wherein the adaptive adjusting structure comprises a base, and a first adjusting mechanism and a second adjusting mechanism are arranged on the base, wherein the first adjusting mechanism is used for connecting a depth wheel, and the second adjusting mechanism is used for connecting an earthing device; the first adjusting mechanism comprises a first rotating frame; the first rotating frame is rotatably connected relative to the base, and the relative angle between the first rotating frame and the base can be controllably adjusted; the second adjusting mechanism comprises a second rotating frame; the second rotating frame is rotatably connected relative to the base, an elastic piece is arranged between the second rotating frame and the base, and the pre-stretching amount of the elastic piece can be adjusted. According to the adaptive adjusting structure of the seeder and the seeder, the first adjusting mechanism and the second adjusting mechanism are arranged, and the angle of the first rotating frame for mounting the depth wheel relative to the base and the pre-stretching amount of the elastic piece can be respectively adjusted by the first adjusting mechanism and the second adjusting mechanism, so that the purposes of adjusting the ditching depth and the soil covering performance can be achieved, and the seeder has good adaptability to different seeds and different soil types.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to an adaptive adjusting structure of a seeder and the seeder.
Background
The seeder is the agricultural machine commonly used, it is the basis that realizes automatic ploughing and sowing, the function of seeder has generally covered ditching, throw kind, the earthing function, current seeder generally all is dedicated seeder, a seeder generally is only applicable to a seed promptly, its ditching degree of depth, earthing ability all are confirmed, some disseminators can be used to ploughing the multiple type seed of sowing, the ditching degree of depth and the earthing requirement of different seeds are different, consequently need carry out the adaptability according to the demand to the seeder and adjust, current seeder does not generally possess regulatory function, lead to the adaptability poor.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides an adaptive adjusting structure of a seeder capable of adjusting the ditching depth and the soil covering performance and the seeder.
The technical scheme is as follows: in order to achieve the purpose, the adaptive adjusting structure of the seeder comprises a base, wherein a first adjusting mechanism used for connecting a depth wheel and a second adjusting mechanism used for connecting a soil covering device are arranged on the base;
the first adjusting mechanism comprises a first rotating frame; the first rotating frame is rotatably connected relative to the base, and the relative angle between the first rotating frame and the base can be controllably adjusted;
the second adjusting mechanism comprises a second rotating frame; the second rotating frame is rotatably connected relative to the base, an elastic piece is arranged between the second rotating frame and the base, and the pre-stretching amount of the elastic piece can be adjusted.
Furthermore, a rotating handle is installed on the second rotating frame, and two ends of the elastic piece are respectively connected with the base and the rotating handle;
the second rotating frame is provided with a plurality of holding grooves for the rotating handle to stop; when the rotating handle is stopped in different holding grooves, the relative angles of the rotating handle and the second rotating frame are different.
Furthermore, the second rotating frame is provided with a long groove for the handle to move inside, and all the holding grooves are arranged on two sides of the long groove in a staggered mode.
Further, one end of the holding groove close to the base is provided with a blocking part to prevent the rotating handle from falling out of the holding groove.
Furthermore, the second adjusting mechanism further comprises a third rotating frame, and the soil covering device is installed on the third rotating frame; the third rotating frame is rotatably arranged on the second rotating frame, and the relative angle between the third rotating frame and the second rotating frame can be reliably adjusted.
Furthermore, a limiting pin is mounted on the third rotating frame, an arc-shaped groove is formed on the second rotating frame, and a plurality of stopping grooves are formed in the side edge of the arc-shaped groove; when the limiting pin is embedded into different stopping grooves, relative angles between the second rotating rack and the third rotating rack are different.
Further, a connecting rod is mounted on the third rotating frame; the limiting pin is fixed at one end of the connecting rod, and a locking screw is arranged at the other end of the connecting rod; and a first sliding groove and a second sliding groove which are respectively used for the limiting pin and the locking screw to slide in are formed on the third rotating frame.
Further, the first adjusting mechanism further comprises an adjusting screw rod rotatably mounted relative to the base and an adjusting nut seat matched with the adjusting screw rod; the adjusting nut seat is provided with a shaft part, and the first rotating frame is provided with a strip-shaped groove for the shaft part to move in.
Furthermore, the first adjusting mechanism further comprises a scale, the scale extends along the axial direction of the adjusting screw rod, one end of the scale is connected with the adjusting nut seat, the other end of the scale is provided with an indicating member, the machine base is provided with indicating scales, and the indicating member can move along the indicating scales when the adjusting nut seat moves.
A seeder comprises the adaptive adjusting structure of the seeder, and further comprises a ditching device, a seed feeding pipe, a seed pressing device and a soil covering device; the ditching device comprises the depth wheel.
Has the advantages that: according to the adaptive adjusting structure of the seeder and the seeder, the first adjusting mechanism and the second adjusting mechanism are arranged, and the angle of the first rotating frame for mounting the depth wheel relative to the base and the pre-stretching amount of the elastic piece can be respectively adjusted by the first adjusting mechanism and the second adjusting mechanism, so that the purposes of adjusting the ditching depth and the soil covering performance can be achieved, and the seeder has good adaptability to different seeds and different properties of land.
Drawings
FIG. 1 is a view of a sowing machine with an adaptive adjustment structure of the sowing machine of the present invention;
FIG. 2 is a cross-sectional view of the seeding machine;
FIG. 3 is a first perspective view of a second adjustment mechanism;
FIG. 4 is a second perspective view of the second adjustment mechanism;
FIG. 5 is a third perspective view of the second adjustment mechanism;
FIG. 6 is an enlarged structural view of portion A of FIG. 1;
FIG. 7 is a view showing the structure of the seed feeding tube and the seed pressing wheel.
In the figure: 1-a machine base; 11-indicating scale; 12-a receiving groove; 2-ditching device; 21-a disc furrow opener; 22-depth wheel; 23-a first wiper blade; 3-seed casting; 31-a vertically extending section; 32-an obliquely extending section; 4-seed pressing device; 41-a seed pressing wheel; 42-wheel seat; 43-tension spring; 5-a soil covering device; 51-a soil covering wheel; 52-second wiper blade; 6-a first adjustment mechanism; 61-a first rotating frame; 611-a strip-shaped groove; 62-adjusting the screw; 63-adjusting the nut seat; 631-a shaft portion; 64-scale; 65-an indicator; 7-a second adjustment mechanism; 71-a second turret; 711-a holding groove; 712-an elongated slot; 713-the blocking portion; 714-an arc-shaped slot; 715-a docking slot; 72-a resilient member; 73-a third turret; 731-first chute; 732-a second runner; 74-a spacing pin; 75-a connecting rod; 76-a locking screw; 77-rotating the handle; 10-speed detection sensor; 20-electric push rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The adaptive adjusting structure in the seeding machine as shown in the attached figures 1 and 2 comprises a base 1, wherein a first adjusting mechanism 6 for connecting a depth limiting wheel 22 of the seeding machine (the depth limiting wheel 22 is used for limiting the depth of a seed groove opened by the seeding machine) and a second adjusting mechanism 7 for connecting a soil covering device 5 of the seeding machine are arranged on the base 1.
As shown in fig. 1, the first adjusting mechanism 6 includes a first rotating frame 61; the first rotating frame 61 is rotatably connected with respect to the base 1, and the relative angle between the first rotating frame and the base can be controllably adjusted.
As shown in fig. 2, the second adjusting mechanism 7 includes a second rotating frame 71; the second rotating frame 71 is rotatably connected with respect to the base 1, and an elastic member 72 is disposed therebetween, and the amount of pretension of the elastic member 72 can be adjusted. In this embodiment, the elastic member 72 is a spring, and the elastic member 72 can ensure that the soil covering device 5 is sufficiently contacted with the ground, and the soil covering device 5 cannot be separated from the ground along with the bumping movement of the machine base 1 in the field; on the other hand, by adjusting the amount of pretension of the elastic member 72, in actual operation, the relative angle between the second rotating frame 71 and the machine base 1 is different, so that the soil covering amount per unit time of the soil covering device 5 can be adjusted to change the soil covering performance of the soil covering device 5. The larger the pretensioning amount of the elastic member 72 is, the larger the initial effective stiffness of the elastic member 72 is, the more difficult the deformation thereof is, the larger the rotation difficulty of the second rotating frame 71 relative to the machine base 1 is, the deeper the acting depth of the soil covering device 5 in the field is, and the larger the soil covering amount per unit time is, and conversely, the smaller the pretensioning amount of the elastic member 72 is, the shallower the acting depth of the soil covering device 5 is, and the smaller the soil covering amount per unit time is.
Specifically, as shown in fig. 3, a rotating handle 77 is installed on the second rotating frame 71, and both ends of the elastic member 72 are respectively connected to the base 1 and the rotating handle 77; the second rotating frame 71 is provided with a plurality of holding grooves 711 for the stop of the rotating handle 77; the relative angles of the rotating handle 77 and the second rotating frame 71 are different when the rotating handle is stopped in different holding grooves 711. With the above-described structure, when the handle 77 is stopped in the different holding grooves 711, the amount of pretension of the elastic member 72 is different, and thus the initial stiffness of the spring is different. The handle 77 is stopped in the different holding grooves 711, which corresponds to the different shift positions, as shown in fig. 3, there are 5 holding grooves 711, and there are 5 shift positions.
In order to facilitate the movement of the operating handle 77 and switch the operating handle to different shift positions, the second rotating frame 71 is formed with a long groove 712 for the inner movement of the operating handle 72, and all the retaining grooves 711 are alternately arranged on both sides of the long groove 712, that is: if the two sides of the long groove 712 are referred to as the first side and the second side, two adjacent holding grooves 711 are provided, one holding groove 711 is disposed on the first side of the long groove 712, and the other holding groove 711 is disposed on the second side of the long groove 712, so that the arrangement compactness of the holding grooves 711 can be ensured, and the arrangement distance of the holding grooves 711 is not limited by the width of the rotating handle 77. When the shift position is switched, the operating handle 77 is moved out of the holding groove 711 where it is currently located, the operating handle 77 is moved along the long groove 712 to the position of the target holding groove 711, and finally the operating handle 77 is stopped at the target holding groove 711.
The end of the holding groove 711 close to the housing 1 is provided with a stopper 713, and since the rotating handle 77 is pulled by the elastic member 72, it is directly against the end of the elastic member 72 close to the housing 1, so that the stopper 713 prevents the rotating handle 77 from coming out of the holding groove 711.
Since the relative angle between the second rotating frame 71 and the machine base 1 is different when the rotating handle 77 is at different gear positions and during actual operation, in order to avoid the influence of the relative angle between the two on the soil covering effect of the soil covering device 5, preferably, the second adjusting mechanism 7 further comprises a third rotating frame 73, and the soil covering device 5 is mounted on the third rotating frame 73; the third rotating frame 73 is rotatably mounted on the second rotating frame 71, and the relative angle between the third rotating frame and the second rotating frame can be reliably adjusted.
Specifically, the third rotating frame 73 is provided with a limiting pin 74, the second rotating frame 71 is provided with an arc-shaped groove 714, the side edge of the arc-shaped groove 714 is provided with a plurality of stopping grooves 715, the number of the stopping grooves 715 is the same as that of the retaining grooves 711, and each retaining groove 711 corresponds to each gear of the rotating handle 77; when the limit pin 74 is inserted into different stop grooves 715, the relative angles between the second rotating frame 71 and the third rotating frame 73 are different. A connecting rod 75 is arranged on the third rotating frame 73; the limit pin 74 is fixed at one end of the connecting rod 75, and a locking screw 76 is arranged at the other end of the connecting rod 75; the third rotating frame 73 has a first slide groove 731 and a second slide groove 732, in which the stopper pin 74 and the locking screw 76 slide, respectively.
Through the structure, when the rotating handle 77 is switched to different gears, the limiting pin 74 is correspondingly embedded into the corresponding retaining groove 711, so that the orientation of the soil covering device 5 is correct during operation, and the soil covering effect is ensured. When the angle of the third rotating frame 73 needs to be adjusted, the locking screw 76 is firstly unscrewed; then, the connecting rod 75 is integrally translated relative to the third rotating frame 73, and at this time, the locking screw 76 and the limiting pin 74 respectively slide in the first sliding groove 731 and the second sliding groove 732; then, the third rotating frame 73 is pulled to rotate relative to the second rotating frame 71, so that the limit pin 74 reaches the position of the target holding groove 711, and at the moment, the limit pin 74 moves in the arc-shaped groove 714; finally, the link 75 is integrally translated with respect to the third rotating frame 73 to fit the stopper pin 74 into the target holding groove 711, and the lock screw 76 is tightened.
As shown in fig. 4 and 5, the first adjusting mechanism 6 further includes an adjusting screw 62 rotatably mounted with respect to the housing 1 and an adjusting nut seat 63 engaged with the adjusting screw 62; the adjustment nut holder 63 includes a shaft portion 631, and the first rotating frame 61 includes a strip groove 611 in which the shaft portion 631 moves. With the structure, the first rotating frame 61 can be driven to rotate relative to the machine base 1 through the adjusting screw rod 62 so as to adjust the height position of the depth wheel 22, and thus the depth of the groove formed by the ditching device can be limited. A rotating handle is fixed to the adjusting screw 62 for convenient operation.
In order to facilitate the user to adjust the height position of the depth wheel 22, as shown in fig. 1 and fig. 2, the first adjusting mechanism 6 further includes a scale 64 extending along the axial direction of the adjusting screw 62, one end of the scale is connected to the adjusting nut seat 63, the other end of the scale is provided with an indicating member 65, the machine base 1 is provided with an indicating scale 11, and the indicating member 65 can move along the indicating scale 11 due to the movement of the adjusting nut seat 63. In this embodiment, as shown in fig. 6, the indicating member 65 is a pin, the housing 1 is formed with an accommodating groove 12, the pin can slide in the accommodating groove 12, and the indicating scale 11 is a plurality of pointed concave portions formed on one side of the accommodating groove 12. In this way, when the user rotates the adjusting screw 62, the height position of the depth wheel 22 can be known according to the scale position of the indicating member 65, and the adjustment is more accurate without relying on experience or trial and error.
A seeding machine, as shown in the attached figures 1 and 2, which comprises the adaptive adjusting structure of the seeding machine, and further comprises a ditching device 2, a seed feeding pipe 3, a seed pressing device 4 and a soil covering device 5;
wherein, ditching device 2 is used for opening out the kind groove in the soil, it includes the disc furrow opener 21 of two symmetry settings, still include two above-mentioned depth wheel 22, depth wheel 22 is installed on above-mentioned first rotating frame 61, depth wheel 22's wheel width is great, under the same condition, depth wheel 22 can dig the degree of depth and far be less than disc furrow opener 21 can dig the degree of depth, so, depth wheel 22 can effectively restrict disc furrow opener 21's ditching degree of depth, along with ground undulation, the ditch groove depth that disc furrow opener 21 opened is comparatively unanimous.
The seed feeding pipe 3 is used for feeding seeds into the seed groove; the seed pressing device 4 comprises a seed pressing wheel 41, and the seed pressing wheel 41 is used for pressing the seeds thrown into the seed groove by the seed throwing pipe 3; the soil covering device 5 is used for covering and burying the seed tanks with soil, and the soil covering device 5 is mounted on the third rotating frame 73.
Above-mentioned seed wheel 41 is the flexbile wheel, its wheel hub portion all has the flexibility with outer wheel circle part, so, when seed wheel 41 contacts with ground, through the deformation of self, the area of contact on outer wheel circle and ground is big, the regional grow that the seed wheel 41 pressed has been pressed to one side, the drop point of the seed of throwing the kind pipe 3 and throwing has certain deviation also can be pushed down, on the other hand, because seed wheel 41's flexibility is pressed, can make its pressure to ground comparatively suitable, can not crush the seed, the third aspect, the area of contact on outer wheel circle and ground can increase the friction greatly, press kind of in-process can not skid and lead to seed position to change.
Preferably, in order to make the seed pressing wheel 41 more flexible, the hub portion thereof has a hollow hole, and in order to save the manufacturing cost, the hub portion and the outer rim portion thereof are integrally formed, and the whole is made of the same flexible material.
The seed feeding pipe 3 is provided with a vertical extension section 31 and an inclined extension section 32, and the inclined extension section 32 inclines backwards; in this way, the dropping direction of the seeds in the seed feeding tube 3 can be made to face the front side of the contact area between the seed pressing wheel 41 and the ground. Preferably, the intersection point of the extension direction of the inclined extension section 32 and the ground is located in front of the front end point of the contact area when viewed in the axial direction of the seed pressing wheel 41, so that the seeds thrown by the seed throwing pipe 3 can be prevented from hitting the seed pressing wheel 41 and causing more disordered bouncing.
The seed pressing wheel 41 is arranged on the machine base 1 through a wheel seat 42; the wheel seat 42 is rotatably installed relative to the machine base 1, a tension spring 43 is arranged between the wheel seat 42 and the machine base 1, the tension spring 43 can enable the seed pressing wheel 41 to be always in contact with the bottom of the groove and not to be separated from the ground, and in addition, seed pressing force can be provided, and the seed pressing effect is ensured.
In addition, if the seed freely falls kind in seed throwing pipe 3, the seed falls kind of in-process can frequently collide with the inner wall of seed throwing pipe 3, the direction that leads to the seed when throwing out is unset, can influence the point of fall of seed like this, lead to pressing wheel 41 probably not to press the seed, in order to solve above-mentioned problem, intraductal the leading-in of seed throwing pipe 3 when falling kind has the air current, the air current plays acceleration effect to the seed, and make the direction of motion of seed and the extending direction of seed throwing pipe 3 keep unanimous basically, can reduce the collision of seed and inside pipe wall by a wide margin, so final seed is more fixed its motion orbit when shooting out from the lower extreme of seed throwing pipe 3, and the point of falling kind is also comparatively unanimous, can guarantee the quality of seeding.
In order to ensure that the seeds can be pressed by the seed pressing wheel 41 just after landing, the relationship between the seed landing point and the seed speed thrown by the seed throwing pipe 3 is calculated according to the following formula:
wherein: x-displacement of the seeds in the horizontal direction; y-the height above the ground of the lower end of the seed throwing pipe 3; v-the speed of the seeds when they leave the end of the seed-casting tube 3; v. of0-the running speed of the stand 1; beta-the projection angle of the seeds when the seeds are separated from the seed-casting tube 3; g-acceleration of gravity. The intuitive meanings of the above parameters are shown in FIG. 7.
According to the above formula, the speed v and the projection angle β when the seed is separated from the end of the seed-feeding tube 3 directly affect the horizontal displacement x of the seed, so that the drop point of the seed can be controlled by controlling the speed v and the projection angle β when the seed is separated from the end of the seed-feeding tube 3, and the drop point is more reasonable. Based on this, in a preferred embodiment, as shown in fig. 7, a speed detection sensor 10 may be provided at the end of the seed feeding tube 3, and a controller may be provided, by which the dropping point of the seed is controlled in the following two ways.
The method comprises the following steps: step one, calculating the target speed of the seed according to a preset target displacement (namely the target value of x in the formula) and the formula; and step two, acquiring the actual separation speed of the seeds in real time through the speed detection sensor 10, and adjusting the airflow speed passing through the seed throwing pipe 3, so that the difference between the actual separation speed of the subsequent seeds and the target speed does not exceed a preset range.
The second method comprises the following steps: the inclined extension section 32 is a hard pipe, the other parts are hoses, the electric push rod 20 is additionally arranged to adjust the inclined angle (namely, the projection angle beta can be adjusted) of the inclined extension section 32 of the seed casting pipe 3, the rotating shaft position of the inclined extension section 32 is the tail end of the seed casting pipe 3, so that the numerical value of y in the formula can be kept unchanged, the electric push rod 20 is connected with a controller, and the controller adjusts the falling point of the seeds based on the following process: step one, acquiring the actual separation speed of the seeds in real time through a speed detection sensor 10; substituting the actual separation speed and the target displacement into the formula to calculate a target projection angle; step three, controlling the electric push rod 20 to operate according to the target projection angle, so that the inclination angle of the inclined extension section 32 is equal to the target projection angle; the second step and the third step are circularly operated, so that the controller can adjust the projection angle of the seeds in real time according to the actual speed when the seeds are separated from the tail end of the seed throwing pipe 3, the consistency of the seed falling points is ensured, and the seeds can be pressed by the seed pressing wheel 41 after a very small time interval just after falling to the ground.
The seed pipe 3 of the seed pipe 3 has a portion interposed between two disc openers 21. Preferably, in the overlooking direction, the rearmost end of the seed feeding pipe 3 is in front of the rearmost end of the disc opener 21, so that the seed outlet of the seed feeding pipe 3 is also in the real-time ditching range of the disc opener 21, the seed fed out can be ensured to effectively fall into the bottom of the seed groove, and the situation that the seed groove is collapsed to cause that the seed feeding is not in place can not occur.
Above-mentioned ditching device 2 still including acting on depth wheel 22 first mud scraper 23 all around, first mud scraper 23 can prevent that depth wheel 22 foreign steamer face from wrapping up in earth for effective wheel footpath increase leads to the slot degree of depth that disc furrow opener 21 left to diminish.
The soil covering device 5 comprises two soil covering wheels 51 which are symmetrically arranged, the two soil covering wheels 51 are obliquely arranged, and the two soil covering wheels 51 are arranged in a V shape when seen from the front and the back. The soil covering device 5 further comprises a second mud scraping sheet 52 acting on the periphery of the soil covering wheel 51, and the second mud scraping sheet 52 can timely scrape soil wrapped on the periphery of the soil covering wheel 51 so as to guarantee the soil covering effect.
According to the adaptive adjusting structure of the seeder and the seeder, the first adjusting mechanism and the second adjusting mechanism are arranged, and the angle of the first rotating frame for mounting the depth wheel relative to the base and the pre-stretching amount of the elastic piece can be respectively adjusted by the first adjusting mechanism and the second adjusting mechanism, so that the purposes of adjusting the ditching depth and the soil covering performance can be achieved, and the seeder has good adaptability to different seeds and different properties of land.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (10)
1. An adaptive adjusting structure of a seeder is characterized by comprising a base (1), wherein a first adjusting mechanism (6) for connecting a depth wheel (22) and a second adjusting mechanism (7) for connecting a soil covering device (5) are arranged on the base (1);
the first adjusting mechanism (6) comprises a first rotating frame (61); the first rotating frame (61) is rotatably connected relative to the base (1), and the relative angle between the first rotating frame and the base can be controllably adjusted;
the second adjusting mechanism (7) comprises a second rotating frame (71); the second rotating frame (71) is rotatably connected relative to the base (1), an elastic piece (72) is arranged between the second rotating frame and the base, and the pretension amount of the elastic piece (72) can be adjusted.
2. The adaptation and adjustment structure of a seeding machine according to claim 1, characterized in that a rotating handle (77) is mounted on the second rotating frame (71), and both ends of the elastic member (72) are respectively connected with the machine base (1) and the rotating handle (77);
the second rotating frame (71) is provided with a plurality of holding grooves (711) for the rotating handle (77) to stop; when the rotating handle (77) is parked in different holding grooves (711), the relative angle of the rotating handle and the second rotating frame (71) is different.
3. The adaptive adjustment structure of a sowing machine according to claim 2, wherein the second rotating frame (71) is formed with a long groove (712) in which the handle (72) moves, and all the holding grooves (711) are alternately provided on both sides of the long groove (712).
4. The adaptive adjustment structure of a sowing machine according to claim 3, wherein an end of the holding groove (711) near the housing (1) is provided with a blocking portion (713) to prevent the rotating handle (77) from coming out of the holding groove (711).
5. Adaptation and adjustment structure of a seeding machine according to claim 1, characterised in that the second adjustment mechanism (7) further comprises a third turret (73), the covering device (5) being mounted on the third turret (73); the third rotating frame (73) is rotatably arranged on the second rotating frame (71), and the relative angle between the third rotating frame and the second rotating frame can be reliably adjusted.
6. The adaptive adjusting structure of the seeding machine as claimed in claim 5, characterized in that a limit pin (74) is installed on the third rotating frame (73), an arc-shaped groove (714) is formed on the second rotating frame (71), and the side of the arc-shaped groove (714) is provided with a plurality of stopping grooves (715); when the limiting pin (74) is embedded into different parking grooves (715), relative angles between the second rotating frame (71) and the third rotating frame (73) are different.
7. Adaptation and adjustment structure of a sowing machine according to claim 6, wherein a connecting rod (75) is mounted on the third rotating carriage (73); the limiting pin (74) is fixed at one end of the connecting rod (75), and a locking screw (76) is arranged at the other end of the connecting rod (75); the third rotating frame (73) is provided with a first sliding groove (731) and a second sliding groove (732) which are used for the limiting pin (74) and the locking screw (76) to slide inwards respectively.
8. Adaptive adjustment structure of a seeding machine according to claim 1, characterised in that the first adjustment mechanism (6) further comprises an adjustment screw (62) mounted in rotation with respect to the base (1) and an adjustment nut seat (63) cooperating with the adjustment screw (62); the adjusting nut seat (63) is provided with a shaft part (631), and the first rotating frame (61) is provided with a strip-shaped groove (611) in which the shaft part (631) moves.
9. The adaptive adjustment structure of a seeding machine according to claim 8, wherein the first adjustment mechanism (6) further comprises a scale (64) extending along the axial direction of the adjustment screw (62), one end of the scale is connected with the adjustment nut seat (63), the other end of the scale is provided with an indicating member (65), the machine base (1) is provided with an indicating scale (11), the movement of the adjustment nut seat (63) enables the indicating member (65) to move along the indicating scale (11).
10. Seeding machine, characterised in that it comprises an adaptation structure of the seeding machine according to any one of claims 1 to 9, also comprising ditching means (2), seed feeding pipes (3), seed pressing means (5) and covering means (5); the ditching device (2) comprises the depth wheel (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110455019.5A CN113170635A (en) | 2021-04-26 | 2021-04-26 | Structure and seeder are adjusted in adaptation of seeder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110455019.5A CN113170635A (en) | 2021-04-26 | 2021-04-26 | Structure and seeder are adjusted in adaptation of seeder |
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| CN113170635A true CN113170635A (en) | 2021-07-27 |
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| CN202110455019.5A Pending CN113170635A (en) | 2021-04-26 | 2021-04-26 | Structure and seeder are adjusted in adaptation of seeder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892324A (en) * | 2021-09-30 | 2022-01-07 | 海南大学 | Seed direct seeding device and cultivator |
| CN114287210A (en) * | 2022-01-05 | 2022-04-08 | 刘爱玲 | Corn precision seeder |
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