CN217217358U

CN217217358U - Integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping

Info

Publication number: CN217217358U
Application number: CN202220456100.5U
Authority: CN
Inventors: 孟维伟; 张正; 万书波; 么传训; 康建明; 南镇武; 林松明; 郭峰
Original assignee: Shandong Academy of Agricultural Machinery Sciences; CROP Research Institute of Shandong Academy of Agricultural Sciences; Shandong Academy of Agricultural Sciences
Current assignee: Shandong Academy of Agricultural Machinery Sciences; CROP Research Institute of Shandong Academy of Agricultural Sciences; Shandong Academy of Agricultural Sciences
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-19
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a double-suppression integrated precision seeder suitable for wheat stubble rotary tillage and intercropping corn and soybean, which comprises a frame and a rotary tillage mechanism arranged at the bottom of the frame, three corn sowing units are arranged in the middle of the rear end of the frame, two soybean sowing units are respectively arranged at the left end and the right end of the rear end of the frame, the rear ends of the corn sowing unit and the soybean sowing unit are both provided with rear press wheels, the rear part of the rotary tillage mechanism is provided with a front press wheel, two ends of the front press roller are respectively connected with the rear end of the connecting arm in a shaft way, the front end of the connecting arm is hinged with the frame, the frame is also provided with an elastic pressing mechanism which presses the connecting arm downwards, the utility model carries out rotary tillage on wheat stubble soil through the rotary tillage mechanism to realize soil loosening, then realize two suppression through preceding suppression roller and back suppression wheel, improve soybean maize's rate of emergence and the regularity of emerging.

Description

Integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping

Technical Field

The utility model relates to a seeder field especially involves maize soybean intercropping field, specifically is a suitable wheat stubble rotary tillage is two to suppress maize soybean intercropping integration precision planter.

Background

The corn and soybean intercropping technology can increase the land multiple cropping index, improve the land utilization rate and increase the grain yield, 80-150 kg of soybeans are harvested per mu in an intercropping mode on the basis of ensuring the corn yield, and the soybeans can also reduce the nitrogen content in the land and protect the environment.

However, most corn and soybean seeders are independent nowadays, and corn seeding and soybean seeding are different in ditching depth and pressing force, so that the corn and soybean seeder cannot be used universally. And the existing corn and soybean intercropping is carried out after wheat is harvested, stubble cleaning is needed before sowing, and a sowing machine capable of carrying out rotary tillage stubble cleaning and corn and soybean intercropping planting is absent in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a two suppression maize soybean intercropping integration precision planter of suitable wheat stubble rotary tillage, including the frame and install the rotary tillage mechanism in the frame bottom, three maize seeding unit is equipped with at the middle part of frame rear end, and two soybean seeding units are respectively equipped with at both ends about the frame rear end, back press wheel is all equipped with to the rear end of maize seeding unit and the rear end of soybean seeding unit, and preceding press roller is equipped with at institute rotary tillage mechanism's rear, the both ends of preceding press roller are the hub connection respectively at the rear end of linking arm, the front end and the frame of linking arm are articulated, still be equipped with in the frame and push down the elasticity mechanism of linking arm pushing down.

As an optimal technical scheme of the utility model, preceding compression roller is provided with threely, and the preceding compression roller in the middle covers three maize seeding unit, and the preceding compression roller at both ends covers the soybean seeding unit of tip respectively.

As an optimal technical scheme of the utility model, frame lower extreme rigid coupling has the fender board that is located between preceding compression roller and the rotary tillage mechanism, the fender board lower extreme is equipped with the rubber flattening board.

As a preferred technical scheme of the utility model, elasticity pushes down the mechanism and includes vertical sliding block of landing in the frame, the last gland of rigid coupling on the sliding block and the lower support lid of rigid coupling on the linking arm, upward be equipped with the spring between gland and the lower support lid, threaded connection has the adjusting bolt of top at the sliding block up end in the frame.

As a preferred technical scheme of the utility model, elasticity pushes down mechanism still including the guiding axle that is located the spring, the lower extreme and the linking arm of guiding axle are articulated, and the gland is passed to the upper end of guiding axle, still be equipped with the adjusting nut who is located the gland top on the guiding axle.

As a preferred technical scheme of the utility model, the linking arm includes with frame articulated first vertical section, from the horizontal segment of first vertical section lower extreme horizontal extension backward and from the vertical section of second of horizontal segment rear end downwardly extending, preceding ballast roller of town connects on the vertical section of second, the under bracing lid rigid coupling is on the horizontal segment.

As a preferred technical scheme of the utility model, the rigid coupling has the deflector in the frame, it has vertical guide way to open on the deflector, the vertical sliding connection of sliding block is in the guide way.

As an optimized technical scheme of the utility model, the rigid coupling has the layer board that is located the sliding block below in the frame.

As a preferred technical scheme of the utility model, the lower terminal surface of going up the gland and the up end of under bracing lid all opened with the circular counter bore of spring adaptation.

The utility model has the advantages that: the utility model discloses a rotary tillage mechanism carries out the rotary tillage to wheat stubble soil, realizes loosening the soil, then carries out first suppression to the soil after the rotary tillage through preceding suppression roller, because preceding suppression roller suppression length is big, consequently pushes down the mechanism through elasticity and pushes down preceding suppression roller, increases the overdraft.

The attached drawing of ditching and seed discharging of corns and soybeans is realized through the corn seeding unit and the soybean seeding unit after the pressing, so that intercropping planting is realized, the secondary after the planting is realized through the rear pressing wheel, and the emergence rate and the emergence uniformity of soybean corns are improved.

The middle part of the seeder is provided with three corn sowing units, and the left end and the right end of the seeder are respectively provided with two soybean sowing units, thereby realizing the intercropping planting of four rows of soybeans and three rows of corns, and the soybeans and the corns sowed by the arrangement mode have good growth effect and high harvest height.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a front view of the elastic pressing mechanism of the present invention;

FIG. 4 is a top view of the resilient hold-down mechanism of the present invention without the adjusting bolt and the bolt mounting plate;

fig. 5 is a cross-sectional view taken along the line a-a of fig. 3 in accordance with the present invention;

in the figure: 1. the device comprises a rack, 2, a rotary tillage mechanism, 3, a soil retaining plate, 4, a rubber leveling plate, 5, a front press roller, 6, a connecting arm, 7, a soybean seeding unit, 8, a corn seeding unit, 9, a furrow opener, 10, a seed discharging opening, 11, an earthing wheel, 12, a rear press roller, 13, a seed discharging device, 14, a seed box, 15, an undercarriage, 16, a transmission box, 17, a spring, 18, a guide shaft, 19, an adjusting nut, 20, an upper gland, 21, a lower support cap, 22, a bolt mounting plate, 23, a sliding block, 24, a guide plate, 25, an adjusting bolt, 26 and a supporting plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-5, the utility model relates to a suitable wheat stubble rotary tillage is two to suppress integration precision planter between maize soybean, including frame 1 and install rotary tillage mechanism 2 in frame 1 bottom, rotary tillage mechanism 2 is located the front end of frame 1, and rotary tillage mechanism 2 is including the rotary tillage axle of hub connection in frame 1 and the epaxial rotary blade of rigid coupling in rotary tillage, and the rotary tillage axle passes through the drive of the transmission case 16 of rigid coupling on frame 1, the input shaft of transmission case 16 and the output shaft of tractor.

An undercarriage 15 is fixedly connected above the front end of the frame 1 and is used for being connected with a tractor.

The corn seeder comprises a rack 1, and is characterized in that three corn seeding units 8 are arranged in the middle of the rear end of the rack 1, the three corn seeding units 8 are arranged side by side left and right, two soybean seeding units 7 are respectively arranged at the left end and the right end of the rear end of the rack 1, the corn seeding units 8 and the soybean seeding units 7 respectively comprise a furrow opener 9, a seed discharging port 10 and a soil covering wheel 11 which are arranged from front to back, the furrow opener 9 is used for ditching, and the seed discharging port 10 is connected with a seed discharging device 13 and is used for discharging seeds. The rear ends of the corn sowing unit 8 and the soybean sowing unit 7 are respectively provided with a rear press wheel 12 for secondary pressing of soil after covering soil.

A seed box 14 is arranged on the frame 1 and used for containing seeds and providing the seeds for the seeding device 13, and a partition plate is arranged in the seed box 14 and used for separating the corn seeds and the soybean seeds.

The rear of rotary tillage mechanism 2 is equipped with preceding press roller 5, as shown in fig. 1, preceding press roller 5 is provided with threely, and middle preceding press roller 5 covers three maize seeding unit 8, and the preceding press roller 5 at both ends covers the soybean seeding unit 7 of tip respectively. Thereby carry out a suppression through preceding suppression roller 5 in the middle of to the soil in 8 the place ahead of maize seeding unit, carry out a suppression through preceding suppression roller 5 at both ends to the soil in 7 the place ahead of soybean seeding unit.

The both ends of preceding compression roller 5 are the coupling respectively in the rear end of linking arm 6, the front end of linking arm 6 is articulated with frame 1, and the articulated shaft level sets up to make 6 rear ends of linking arm can the luffing motion.

Connecting arm 6 in this embodiment is the zigzag, connecting arm 6 includes with frame 1 articulated first vertical section, from the horizontal segment of first vertical section lower extreme horizontal extension backward and from the vertical section of second of horizontal segment rear end downwardly extending, the upper end of first vertical section is articulated with the lower terminal surface of frame 1, preceding press roll 5 hub connection is at the lower extreme of the vertical section of second.

Still be equipped with the elasticity that pushes down the linking arm 6 on the frame 1 and construct, owing to be provided with three preceding compression roller 5, therefore elasticity pushes down the mechanism and is provided with 6.

The elastic pressing mechanism comprises a sliding block 23 vertically connected to the rack 1 in a sliding mode, an upper pressing cover 20 fixedly connected to the sliding block 23, and a lower supporting cover 21 fixedly connected to the connecting arm 6, and the lower supporting cover 21 is fixedly connected to the horizontal section.

The spring 17 is arranged between the upper gland 20 and the lower support cover 21, the upper gland 20 is circular and horizontally arranged, the side surface of the upper gland 20 is fixedly connected with the sliding block 23, the lower support cover 21 is also circular and horizontally arranged, and the upper gland 20 is positioned above the lower support cover 21, so that the spring 17 is vertically arranged.

The lower end face of the upper gland 20 and the upper end face of the lower support cap 21 are both provided with circular counter bores matched with the springs 17, so that the end parts of the springs 17 are prevented from moving radially.

And the frame 1 is in threaded connection with an adjusting bolt 25 which is propped against the upper end face of the sliding block 23. The adjusting bolt 25 is in threaded connection with the bolt mounting plate 22, and the bolt mounting plate 22 is welded and fixed with the frame 1. By tightening the adjusting bolt 25, the up-down position of the upper cover 20 can be adjusted, thereby adjusting the amount of compression of the spring 17.

As shown in fig. 5, the elastic pressing mechanism further includes a guide shaft 18 located in the spring 17, the guide shaft 18 serves as a guide to prevent the spring 17 from bending, a lower end of the guide shaft 18 is hinged to the connecting arm 6, an upper end of the guide shaft 18 passes through the upper cover 20, the upper cover 20 is provided with an upper through hole through which the guide shaft 18 passes, and the diameter of the upper through hole is larger than that of the guide shaft 18, so that the guide shaft 18 does not interfere with the upper through hole when the connecting arm 6 swings.

The lower end of the guide shaft 18 is fixedly connected with a connecting lifting lug penetrating through the lower support cover 21, and the connecting lifting lug is hinged with the connecting arm 6.

The guide shaft 18 is also provided with an adjusting nut 19 which is positioned above the upper gland 20. The adjusting nut 19 is kept at a certain distance from the upper gland 20 to prevent the guide shaft 18 from coming out downward.

In order to realize the vertical sliding connection of the sliding block 23, as shown in fig. 4, a guide plate 24 is fixedly connected to the frame 1, a vertical guide groove is formed in the guide plate 24, the sliding block 23 is vertically slidably connected in the guide groove, and an opening is formed in the side surface of the guide groove, so that the sliding block 23 is conveniently connected with the upper gland 20.

The frame 1 is fixedly connected with a supporting plate 26 positioned below the sliding block 23, and the supporting plate 26 is spaced from the lower end of the sliding block 23 to prevent the sliding block 23 from being separated from the lower end of the guide groove after the seeder is lifted.

1 lower extreme rigid coupling of frame has the fender apron 3 that is located between preceding compression roller 5 and the rotary tillage mechanism 2, keeps off the vertical setting of fender apron 3 to block the soil that the rotary blade was thrown up, 3 lower extremes of fender apron are equipped with rubber leveling plate 4, and the laminating of 4 lower extremes of rubber leveling plate is on soil for with the soil flattening after the rotary tillage, the subsequent suppression of being convenient for.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a suitable wheat stubble rotary tillage is two to suppress integrated precision planter of maize soybean intercropping which characterized in that: including frame (1) and install rotary tillage mechanism (2) in frame (1) bottom, the middle part of frame (1) rear end is equipped with three maize seeding unit (8), and both ends respectively are equipped with two soybean seeding units (7) about frame (1) rear end, back press wheel (12) are all equipped with to the rear end of maize seeding unit (8) and the rear end of soybean seeding unit (7), and rotary tillage mechanism's (2) rear is equipped with preceding press roller (5), the both ends difference coupling of preceding press roller (5) is in the rear end of linking arm (6), the front end of linking arm (6) is articulated with frame (1), still be equipped with on frame (1) and push down the mechanism with the elasticity of linking arm (6) decurrent.

2. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping as claimed in claim 1, characterized in that: preceding compression roller (5) are provided with threely, and middle preceding compression roller (5) cover three maize seeding unit (8), and preceding compression roller (5) at both ends cover soybean seeding unit (7) of tip respectively.

3. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn-soybean intercropping according to claim 1, characterized in that: frame (1) lower extreme rigid coupling has and is located fender breast board (3) between preceding compression roller (5) and rotary tillage mechanism (2), it is equipped with rubber evener (4) to keep off breast board (3) lower extreme.

4. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping as claimed in any one of claims 1 to 3, wherein: elasticity pushes down the mechanism and includes vertical sliding connection sliding block (23) in frame (1), rigid coupling last gland (20) and lower supporting cover (21) of rigid coupling on linking arm (6) on sliding block (23), it is equipped with spring (17) to go up between gland (20) and lower supporting cover (21), threaded connection has adjusting bolt (25) of top at sliding block (23) up end on frame (1).

5. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn-soybean intercropping according to claim 4, characterized in that: the elastic pressing mechanism further comprises a guide shaft (18) located in the spring (17), the lower end of the guide shaft (18) is hinged to the connecting arm (6), the upper end of the guide shaft (18) penetrates through the upper gland (20), and an adjusting nut (19) located above the upper gland (20) is further mounted on the guide shaft (18).

6. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping as claimed in claim 4, characterized in that: linking arm (6) include with frame (1) articulated first vertical section, from the horizontal segment of first vertical section lower extreme horizontal extension backward and from the vertical section of second of horizontal segment rear end downwardly extending, preceding press roll (5) hub connection is on the vertical section of second, under bracing lid (21) rigid coupling is on the horizontal segment.

7. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping as claimed in claim 4, characterized in that: the guide plate (24) is fixedly connected to the rack (1), a vertical guide groove is formed in the guide plate (24), and the sliding block (23) is vertically connected in the guide groove in a sliding mode.

8. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping as claimed in claim 7, is characterized in that: and a supporting plate (26) positioned below the sliding block (23) is fixedly connected to the rack (1).

9. The integrated precision seeder suitable for wheat stubble rotary tillage double-suppression corn and soybean intercropping as claimed in claim 4, characterized in that: the lower end surface of the upper gland (20) and the upper end surface of the lower support cover (21) are both provided with circular counter bores matched with the springs (17).