CN215121818U

CN215121818U - Straw cleaning device applied to front end of seeder

Info

Publication number: CN215121818U
Application number: CN202121039787.4U
Authority: CN
Inventors: 张臣宇
Original assignee: Yakeshi Yufeng Agricultural And Animal Husbandry Machinery Manufacturing Co ltd
Current assignee: Yakeshi Yufeng Agricultural And Animal Husbandry Machinery Manufacturing Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-14
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a be applied to straw cleaning device of seeder front end, it includes the cross beam and sets up the straw clearance ware on the cross beam, the straw clearance ware is including adding the string subassembly, rising soon the subassembly, linking the arm and dialling the stubble dish, the straw clearance ware still creative be provided with rise soon the device, revolve even mechanism and gravity mechanism. The utility model relates to a be applied to its profitable effect of straw cleaning device of seeder front end is, 1) through rising rotary device not only can adjust from top to bottom group stubble dish its ground clearance still have the rotation regulation group stubble dish its with plough ridge about the contained angle function, 2) connect the mechanism rotation regulation group stubble dish with plough the surface about the contained angle with group stubble dish invade the degree of depth on ploughing the surface, adapt to the arable land of different surface soil softness, 3) the gravity mechanism of straw cleaner setting, gravity mechanism is adjustable group stubble dish is to the pressure on ploughing the surface.

Description

Straw cleaning device applied to front end of seeder

Technical Field

The utility model relates to a be applied to straw cleaning device of seeder front end relates to an agricultural implement, concretely relates to be used for clear stubble device of crops seeder front end straw.

Background

Under the protective farming modes such as no-tillage soil moisture conservation and the like, a large amount of straws and stubbles are remained on the surface of the farmland, and the sowing quality is seriously influenced. Therefore, before the seeding and ditching operation, the residual covering of the seedbed needs to be effectively cleaned, the operation congestion of the seeder is reduced, and the passing rate and the operation quality of the seeder are improved.

In the Chinese patent literature, the invention name which is applied earlier is published with a profiling claw type floating stubble cleaning and grass mechanism with a publication No. CN101336575A of 2009-01-07, or the invention name which is applied later is published with a bionic claw type structure with a concave stubble cleaning mechanism with a publication No. CN 112243609A of 2021-01-22.

The stubble plucking mechanism disclosed in the above two patent applications has the following drawbacks in the specific no-tillage seeding.

1) The grass poking wheel of the grass poking mechanism for cleaning and poking the stubbles is arranged at a fixed angle in the whole mechanical device, namely, the angle between the grass poking wheel and a farmland ridge in the whole machine is fixedly arranged without an angle adjusting function. The stubble cleaning device is single in use, and the stubble cleaning effect is different when the stubble height, the density or the ridge spacing of crops are different in the face of ploughing, so that the requirement of one machine for multiple purposes cannot be met.

2) When the grass poking wheel of the grass poking mechanism rotates and rolls on the surface of a cultivated land, the pressure generated on the surface of the cultivated land is from the total amount of the grass poking wheel, and when the surface of the cultivated land is different in surface soil softness, the depth of the grass poking wheel invading the surface of the cultivated land is different, so that the no-tillage soil moisture conservation effect of crop seeding is influenced.

Disclosure of Invention

In order to solve the problem, the utility model provides a be applied to straw cleaning device of seeder front end, its straw clearance ware of straw cleaning device has to rise rotary device, through rising rotary device not only can adjust from top to bottom group stubble dish (group grass wheel in the background art) its ground clearance still have the function of contained angle about its and the arable land ridge of rotatory regulation group stubble dish. The straw cleaning device is also provided with a gravity mechanism, and the pressure of the stubble poking disc on the surface of the cultivated land can be adjusted by adjusting the gravity mechanism.

Specifically, the utility model relates to a be applied to straw cleaning device of seeder front end includes the cross beam and sets up the straw clearance ware on the cross beam, the straw clearance ware is including adding string subassembly, liter revolve the subassembly, link the arm and dial the stubble dish, and the straw clearance ware can dismantle the removal through adding string subassembly and connect on the cross beam, the front end of linking the arm is provided with curved even head, dials the stubble dish and changes the connection on curved even head, link the arm other end and rise to revolve the subassembly and be connected, rise to revolve the subassembly and be connected with hanging the subassembly with adding. The lifting and rotating assembly has the functions of adjusting the ground clearance of the stubble poking disc up and down and adjusting the left and right included angles between the stubble poking disc and the farmland ridges in a rotating manner.

Further specifically, add and hang the subassembly and constitute by pressing from both sides the cardboard and passing the U type stud that presss from both sides the cardboard.

Further specifically, it comprises sliding sleeve, axostylus axostyle and the top anchor bolt that sets up on sliding sleeve to rise to revolve the subassembly, and sliding sleeve connects on the clamp cardboard that adds the string subassembly, and the axostylus axostyle slides and wears to hang in sliding hole in sliding sleeve, and the lower extreme at the axostylus axostyle is connected to the link arm.

Furthermore, the straw cleaner also comprises a rotary connecting mechanism arranged between the lifting rotary assembly and the connecting arm, and the stubble poking disc can adjust the upper and lower included angles between the stubble poking disc and the surface of the cultivated land through the rotary connecting mechanism.

Further specifically, it links the mechanism soon including solid even board, revolves even board, axle connecting bolt and revolves even bolt, links the lower extreme that the board is connected at the lift subassembly axostylus axostyle soon, links the arm and links the board with revolving soon and be connected, solid even board and revolve even board swivelling joint. The fixed connecting plate is provided with a positioning hole and an arc strip hole I, and the rotary connecting plate is provided with a connecting hole I and a connecting hole II.

Further specifically, it links the mechanism soon including solid even board, revolves even board, axle connecting bolt and revolves even bolt, links the lower extreme that the board is connected at the lift subassembly axostylus axostyle soon, links the arm and links the board with revolving soon and be connected, solid even board and revolve even board swivelling joint. The fixed connecting plate is provided with an arc strip hole I and an arc strip hole II, and the rotary connecting plate is provided with a connecting hole I and a connecting hole II.

Furthermore, the straw cleaner is also provided with a gravity mechanism, and the gravity mechanism can adjust the pressure of the stubble poking disc on the surface of the cultivated land.

Further specifically, the gravity mechanism comprises a rotary connecting shaft and a torsion spring, the connecting arm is rotatably connected with a rotary connecting plate of the rotary connecting mechanism through the rotary connecting shaft, and the torsion spring is sleeved on the rotary connecting shaft.

Further specifically, the gravity mechanism comprises a rotary connecting shaft, a torsion spring fixing plate and an adjusting bolt, wherein the torsion spring fixing plate is rotatably connected with the rotary connecting plate of the rotary connecting mechanism, and the connecting angle of the torsion spring fixing plate and the rotary connecting plate is adjusted through the adjusting bolt. The connecting arm is rotationally connected with a rotary connecting plate of the rotary connecting mechanism through a rotary connecting shaft, and the torsion spring is sleeved on the rotary connecting shaft.

Furthermore, the stubble poking disc is inclined outwards at an angle of 8-15 degrees relative to the vertical direction of the ground of the cultivated land.

The utility model relates to a straw cleaning device applied to the front end of a seeder, which has the beneficial effect that.

1) The straw cleaner of the straw cleaning device is provided with a lifting and rotating device, and the lifting and rotating device not only can adjust the ground clearance of the stubble poking disc up and down, but also has the function of rotatably adjusting the left and right included angles between the stubble poking disc and the farmland ridges.

2) The rotary connecting mechanism arranged on the straw cleaner can rotatably adjust the vertical included angle between the stubble poking disc and the surface of the cultivated land and the depth of the stubble poking disc invading the surface of the cultivated land, so that the straw cleaner is suitable for cultivated lands with different surface soil softness.

3) The gravity mechanism is arranged on the straw cleaner and can adjust the pressure of the stubble poking disc on the surface of the cultivated land.

Drawings

FIG. 1 is a three-dimensional structure diagram (I) of the straw cleaning device applied to the front end of the seeder of the utility model

FIG. 2 is a three-dimensional structure diagram of an embodiment of a straw cleaning device rotary connecting mechanism applied to the front end of a seeder

FIG. 3 is a two-dimensional structure diagram of an embodiment of a straw cleaning device rotary connecting mechanism applied to the front end of a seeder

FIG. 4 is a three-dimensional structure diagram (I) of the gravity mechanism of the straw cleaning device applied to the front end of the seeder

FIG. 5 is a three-dimensional structure diagram (II) of the gravity mechanism of the straw cleaning device applied to the front end of the seeder

FIG. 6 is the utility model discloses a three-dimensional structure enlarged view of straw cleaning device gravity mechanism applied to the front end of seeder

FIG. 7 is a three-dimensional structure diagram (II) of the straw cleaning device applied to the front end of the seeder of the utility model

Detailed Description

The following description will be made by combining the accompanying drawings, but not by way of limitation, of the concrete structure and the working principle of the straw cleaning device applied to the front end of the seeder.

As shown in figure 1, the utility model relates to a straw cleaning device applied to the front end of a seeder, which comprises a cross connecting beam 1 and a straw cleaner 2 arranged on the cross connecting beam.

The straw cleaner 2 comprises a hanging component 21, a lifting and rotating component 22, a connecting arm 23 and a stubble shifting disc 24, and the straw cleaner 2 is detachably and movably connected to the transverse connecting beam 1 through the hanging component 21.

The front end of the connecting arm 23 is provided with a bent connecting head 23a, the stubble shifting disc 24 is rotatably connected to the bent connecting head 23a, the other end of the connecting arm 23 is connected with the rotation lifting assembly 22, and the rotation lifting assembly 22 is connected with the hanging assembly 21.

The lifting and rotating assembly 22 has the functions of adjusting the ground clearance of the stubble poking disc 24 up and down and adjusting the left-right included angle between the stubble poking disc 24 and the farmland ridges in a rotating manner.

Specifically, as shown in fig. 1, the hanging assembly 21 is composed of a clamping plate 21a and a U-shaped stud 21b penetrating through the clamping plate 21 a. The straw cleaner 2 is matched with the U-shaped stud bolts 21b of the clamping plates 21a of the hanging component 21 to be detachably and movably arranged at any position of the transverse connecting beam 1.

Specifically, as shown in fig. 1, the lift-rotation assembly 22 is composed of a shaft sliding sleeve 22a, a shaft rod 22b and a top fixing bolt 22c arranged on the shaft sliding sleeve 22a, the shaft sliding sleeve 22a is connected to a clamping plate 21a of the hanging assembly 21, the shaft rod 22b is slidably hung in an inner sliding hole 22a1 of the shaft sliding sleeve 22a, and the connecting arm 23 is connected to the lower end of the shaft rod 22 b.

After the top fixing bolt 22c is loosened, the shaft lever 22b is pushed up and down to adjust the distance between the stubble ploughing disc 24 and the surface of the cultivated land, and the connecting arm 23 is pushed left and right to adjust the angle between the stubble ploughing disc 24 and the seedling ridge of the cultivated land.

For the arable land of adaptation different surface soil texture softness degree, control its degree of depth that invades the arable land surface of group stubble dish 24 of straw clearance ware 2, the utility model relates to a be applied to its straw clearance ware 2 of straw cleaning device of seeder front end still is provided with and links mechanism 25 soon including two kinds of embodiments. The rotary connecting mechanism 25 is arranged between the rotary lifting component 22 and the connecting arm 23), and the stubble poking disc 24 can adjust the vertical included angle between the stubble poking disc and the surface of the cultivated land through the rotary connecting mechanism 25.

In the first embodiment shown in fig. 2, the rotation connecting mechanism 25 includes a fixed connecting plate 25a, a rotation connecting plate 25b, a shaft connecting bolt 25c and a rotation connecting bolt 25d, the fixed connecting plate 25a is connected to the lower end of the shaft 22b of the rotation lifting assembly 22, and the connecting arm 23 is connected to the rotation connecting plate 25 b. The fixed connecting plate 25a is provided with a positioning hole 25a1 and an arc-shaped hole I25a 2, and the rotary connecting plate 25b is provided with a connecting hole I25b 1 and a connecting hole II25b 2.

The rotating connection between the rotating connection plate 25b and the fixed connection plate 25a is realized by the shaft connecting bolt 25c passing through the connecting hole I25b 1 and the positioning hole 25a1, and the rotating connection between the rotating connection plate 25b and the fixed connection plate 25a is fixed by the rotating connection bolt 25d passing through the connecting hole II25b2 and the arc strip hole I25a 2.

In the second specific embodiment, as shown in fig. 3, the rotary connecting mechanism 25 includes a fixed connecting plate 25a, a rotary connecting plate 25b, a shaft connecting bolt 25c and a rotary connecting bolt 25d, the fixed connecting plate 25a is connected to the lower end of the shaft 22b of the rotation lifting assembly 22, and the connecting arm 23 is connected to the rotary connecting plate 25 b. The fixed connecting plate 25a is provided with an arc-shaped hole I25a 2 and an arc-shaped hole II25a3, and the rotary connecting plate 25b is provided with a connecting hole I25b 1 and a connecting hole II25b 2.

The shaft connecting bolt 25c penetrates through the connecting hole I25b 1 and the arc strip hole II25a3, and the rotary connecting bolt 25d penetrates through the connecting hole II25b2 and the arc strip hole I25a 2 so as to realize the rotary connection and the rotation angle adjusting and positioning fixation of the rotary connecting plate 25b and the fixed connecting plate 25 a.

When the stubble pulling disc 24 of the straw cleaner 2 rotates and rolls on the surface of the cultivated land, the pressure generated by the stubble pulling disc 24 on the cultivated land surface is derived from the total amount of the stubble pulling disc. In order to further adjust the pressure of the stubble poking disc 24 on the surface of the cultivated land, the straw cleaner 2 is more suitable for the cultivated land with loose soil quality.

As shown in fig. 4-6, the straw cleaner 2 is further provided with a gravity mechanism 26, and the gravity mechanism 26 can adjust the pressure of the stubble ploughing disc 25 on the surface of the cultivated land.

As further shown in fig. 4, the gravity mechanism 26 includes a rotation coupling shaft 26a and a torsion spring 26b, the coupling arm 23 is rotatably coupled to a rotation coupling plate 25b of the rotation coupling mechanism 25 via the rotation coupling shaft 26a, and the torsion spring 26b is fitted around the rotation coupling shaft 26 a. The torsion spring 26b can apply downward pressure to the stubble poking disc 24 through the connecting arm 23, thereby realizing the enhancement of the pressure of the stubble poking disc 24 on the surface of the cultivated land.

Preferably, as shown in fig. 5 and 6, the gravity mechanism 26 includes a rotation coupling shaft 26a, a torsion spring 26b, a torsion spring fixing plate 26c and an adjusting bolt 26d, the torsion spring fixing plate 26c is rotatably connected with the rotation coupling plate 25b of the rotation coupling mechanism 25, the connecting angle between the two is adjusted by the adjusting bolt 26d, the connecting arm 23 is rotatably connected with the rotation coupling plate 25b of the rotation coupling mechanism 25 through the rotation coupling shaft 26a, and the torsion spring 26b is hung on the rotation coupling shaft 26a in a sleeving manner.

In order to enhance the adaptability of the straw cleaner 2 to cleaning of crop straws and stubble with different heights and hardness, the contact area of the stubble poking disc 24 with the crop straws and the stubble is increased.

Preferably, as shown in fig. 7, the stubble ploughing disc 24 is inclined outwards at an angle of 8-15 degrees relative to the vertical direction of the cultivated land surface.

The embodiment of the utility model provides a be applied to straw cleaning device's of seeder front end detailed introduction, to the general technical personnel in this field, the foundation the utility model discloses the thought of embodiment all has the change part on concrete implementation mode and range of application. In summary, the content of the present specification should not be understood as a limitation of the present invention, and any changes made according to the design concept of the present invention are all within the protection scope of the present invention.

Claims

1. A straw cleaning device applied to the front end of a seeder is characterized by comprising a cross connecting beam (1) and a straw cleaner (2) arranged on the cross connecting beam;

the straw cleaner (2) comprises a hanging component (21), a lifting and rotating component (22), a connecting arm (23) and a stubble shifting disc (24), and the straw cleaner (2) is detachably and movably connected to the transverse connecting beam (1) through the hanging component (21);

the front end of the connecting arm (23) is provided with a bent connecting head (23a), the stubble shifting disc (24) is rotatably connected to the bent connecting head (23a), the other end of the connecting arm (23) is connected with the lifting and rotating assembly (22), and the lifting and rotating assembly (22) is connected with the hanging assembly (21);

the rotary lifting component (22) has the functions of adjusting the ground clearance of the stubble poking disc (24) up and down and adjusting the left and right included angles between the stubble poking disc (24) and the farmland ridges in a rotary manner.

2. The straw-cleaning device applied to the front end of the sowing machine according to claim 1, wherein the hanging component (21) is composed of a clamping plate (21a) and a U-shaped stud bolt (21b) penetrating through the clamping plate (21 a).

3. The straw cleaning device applied to the front end of the seeding machine as claimed in claim 1, characterized in that the lifting and rotating assembly (22) is composed of a shaft sliding sleeve (22a), a shaft rod (22b) and a top fixing bolt (22c) arranged on the shaft sliding sleeve (22 a);

the shaft sliding sleeve (22a) is connected to a clamping plate (21a) of the hanging assembly (21), the shaft lever (22b) is hung in an inner sliding hole (22a1) of the shaft sliding sleeve (22a) in a sliding mode, and the connecting arm (23) is connected to the lower end of the shaft lever (22 b).

4. The straw cleaning device applied to the front end of the seeding machine as claimed in claim 1, characterized in that the straw cleaning device (2) further comprises a rotary connecting mechanism (25) arranged between the rotary lifting assembly (22) and the connecting arm (23), and the stubble poking disc (24) can be adjusted to be at an upper and lower included angle with the surface of the cultivated land through the rotary connecting mechanism (25).

5. The straw cleaning device applied to the front end of the seeder as claimed in claim 4, wherein the rotary connecting mechanism (25) comprises a fixed connecting plate (25a), a rotary connecting plate (25b), a shaft connecting bolt (25c) and a rotary connecting bolt (25d), the fixed connecting plate (25a) is connected to the lower end of a shaft lever (22b) of the lifting and rotating assembly (22), the connecting arm (23) is connected with the rotary connecting plate (25b), and the fixed connecting plate (25a) is rotatably connected with the rotary connecting plate (25 b);

the fixed connecting plate (25a) is provided with a positioning hole (25a1) and an arc hole I (25a2), and the rotary connecting plate (25b) is provided with a connecting hole I (25b1) and a connecting hole II (25b 2).

6. The straw cleaning device applied to the front end of the seeder as claimed in claim 4, wherein the rotary connecting mechanism (25) comprises a fixed connecting plate (25a), a rotary connecting plate (25b), a shaft connecting bolt (25c) and a rotary connecting bolt (25d), the fixed connecting plate (25a) is connected to the lower end of a shaft lever (22b) of the lifting and rotating assembly (22), the connecting arm (23) is connected with the rotary connecting plate (25b), and the fixed connecting plate (25a) is rotatably connected with the rotary connecting plate (25 b);

the fixed connecting plate (25a) is provided with an arc-shaped hole I (25a2) and an arc-shaped hole II (25a3), and the rotary connecting plate (25b) is provided with a connecting hole I (25b1) and a connecting hole II (25b 2).

7. Straw-cleaning device applied to the front end of a sowing machine, according to claim 1, characterised in that the straw cleaner (2) is further provided with a gravity mechanism (26);

the gravity mechanism (26) can adjust the pressure of the stubble poking disc (25) on the surface of the cultivated land.

8. Straw clearing apparatus as claimed in claim 7 applied to the front end of a sowing machine, characterized in that the gravity mechanism (26) comprises a swivel shaft (26a), a torsion spring (26 b);

the link arm (23) is rotatably connected to a rotary link plate (25b) of the rotary link mechanism (25) via a rotary link shaft (26a), and the torsion spring (26b) is hung on the rotary link shaft (26 a).

9. The straw clearing apparatus applied to the front end of the sowing machine according to claim 7, wherein the gravity mechanism (26) comprises a rotary coupling shaft (26a), a torsion spring (26b), a torsion spring fixing plate (26c) and an adjusting bolt (26 d);

the torsional spring fixing plate (26c) is rotationally connected with the rotary connecting plate (25b) of the rotary connecting mechanism (25), and the connecting angle of the torsional spring fixing plate and the rotary connecting plate is adjusted by an adjusting bolt (26d),

10. The straw cleaning device applied to the front end of the seeding machine as claimed in claim 1, characterized in that the stubble poking disc (24) is arranged at an angle of 8-15 degrees relative to the vertical direction of the cultivated land surface.