阅读说明：本技术 一种农业机械用稻麦节秸秆吸收切碎收集装置 (Rice and wheat festival straw absorbs, cuts up collection device for agricultural machine ) 是由 邓章循 于 2021-05-27 设计创作，主要内容包括：本发明公开了一种农业机械用稻麦节秸秆吸收切碎收集装置,包括U形框架和连接块二,所述U形框架的内壁固定连接有动力机构,所述U形框架的内壁定轴转动连接有由动力机构驱动转动的轴一,所述轴一的两端贯穿U形框架并固定连接有滚轮一,所述U形框架的侧面转动定轴连接有滚轮二,所述U形框架的上表面固定连接有盖板,两个所述滚轮一的相背侧上的偏心位置处均固定连接有连接块一。本发明,通过上述结构之间的配合使用,解决了在实际使用过程中,由于传统的秸秆收集装置,难以针对秸秆进行充分的粉碎以及难以进行及时充分的收集,使得麦田里仍残留有大量的秸秆,工作效率以及处理的质量难以得到提升,给后续的农业播种带来不便的问题。(The invention discloses a rice and wheat section straw absorbing, chopping and collecting device for agricultural machinery, which comprises a U-shaped frame and a connecting block II, wherein the inner wall of the U-shaped frame is fixedly connected with a power mechanism, the fixed shaft of the inner wall of the U-shaped frame is rotatably connected with a shaft I driven by the power mechanism to rotate, two ends of the shaft I penetrate through the U-shaped frame and are fixedly connected with a roller I, the side surface of the U-shaped frame is rotatably connected with a fixed shaft II, the upper surface of the U-shaped frame is fixedly connected with a cover plate, and eccentric positions on the opposite sides of the two roller I are fixedly connected with the connecting block I. According to the invention, through the matching use of the structures, the problems that in the actual use process, due to the fact that the traditional straw collecting device is difficult to fully crush the straws and timely and fully collect the straws, a large amount of straws still remain in the wheat field, the working efficiency and the treatment quality are difficult to improve, and the subsequent agricultural seeding is inconvenient are solved.)

1. The utility model provides a rice and wheat festival straw absorbs, cuts up collection device for agricultural machine which characterized in that: the device comprises a U-shaped frame (1) and a second connecting block (10), wherein the inner wall of the U-shaped frame (1) is fixedly connected with a power mechanism (2), the inner wall of the U-shaped frame (1) is fixedly connected with a first shaft (3) which is driven by the power mechanism (2) to rotate in a fixed shaft mode, two ends of the first shaft (3) penetrate through the U-shaped frame (1) and are fixedly connected with a first roller (4), the side surface of the U-shaped frame (1) is rotatably connected with a second roller (16) in a fixed shaft mode, and the upper surface of the U-shaped frame (1) is fixedly connected with a cover plate (5);

the eccentric positions on the opposite sides of the two first idler wheels (4) are fixedly connected with a first connecting block (6), one side, away from the first idler wheels (4), of the first connecting block (6) is provided with a groove and is rotationally connected with a first universal ball (7) in a limiting mode through the groove, the surface of the first universal ball (7) is fixedly connected with a rotating rod (8), one end, away from the first universal ball (7), of the rotating rod (8) is fixedly connected with a second universal ball (9), the side face of the second connecting block (10) is provided with a groove and is rotationally connected with the surface of the second universal ball (9) in a limiting mode through the groove, the front side of the second connecting block (10) is fixedly connected with a transmission plate (11), the side face of the U-shaped frame (1) is fixedly connected with an insertion rod (12), the insertion rod (12) penetrates through the transmission plate (11) and is slidably connected with the transmission plate (11), and a chopping device (13) is arranged on the transmission plate (11), the shredding device (13) is provided with a collecting device (14), and the collecting device (14) is provided with an adsorption device (15).

2. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 1, wherein: the chopping device (13) comprises two first toothed plates (17), wherein the two opposite ends of the first toothed plates (17) are respectively fixedly connected with the two opposite sides of the transmission plate (11), two teeth on the opposite sides of the first toothed plates (17) are meshed with the first gears (18), the tops of the first gears (18) are rotatably connected with the lower surface of the cover plate (5) in a limiting mode, the bottoms of the first gears (18) are coaxially fixedly connected with a first ring gear rod (19), two sides of the first ring gear rod (19) are respectively meshed with a first cutting gear set (20) and a second cutting gear set (21), and the tops of the first cutting gear set (20) and the second cutting gear set (21) are rotatably connected with the lower surface of the cover plate (5) in a fixed axis mode.

3. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 1, wherein: the collecting device (14) comprises a toothed plate II (22) and a toothed plate III (23) which are in front-back limiting sliding on the inner wall of the U-shaped frame (1), teeth on the toothed plate II (22) are meshed with teeth on the cutting gear set II (21), teeth on the toothed plate III (23) are meshed with teeth on the cutting gear set I (20), the rear end of the toothed plate III (23) is fixedly connected with a connecting plate I (24), the left end of the connecting plate I (24) is fixedly connected with a cylinder (26), a through hole is arranged on the front side of the U-shaped frame (1) and is connected with a cylinder (26) in a limiting rotating mode through the through hole, an inclined annular groove (27) is formed in the arc-shaped contour of the cylinder (26), the inner wall of the inclined annular groove (27) is connected with the surface of the sliding block (25) in a sliding mode, and an arc-shaped bump (28) is fixedly connected to the surface, close to the rear end, of the cylinder (26), sliding connection has connecting plate two (29) on the arc profile of arc lug (28), the rear side of connecting plate two (29) and the front end fixed connection of pinion rack two (22), the last fixed surface of connecting plate two (29) is connected with digs claw (30), the inner wall fixed connection of U-shaped frame (1) has inclined plane guide block (31), box (32) are collected to the front side fixedly connected with of inclined plane guide block (31), collect the both sides of box (32) and the inner wall fixed connection of U-shaped frame (1).

4. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 1, wherein: the adsorption device (15) comprises a through groove (33) formed in the surface of the leftmost excavating claw (30), a rectangular crank (34) is connected to the front and back of the inner wall of the through groove (33) in a limiting and sliding manner, a damping spring (35) is fixedly connected to the rear side of the rectangular crank (34), the rear end of the damping spring (35) is fixedly connected with the inner wall of the through groove (33), the surface, close to the left end, of the rectangular crank (34) penetrates through the side face of the U-shaped frame (1) and is connected with the U-shaped frame (1) in a limiting and rotating manner, a second gear (36) is fixedly sleeved on the surface, close to the horizontal section of the left end, of the rectangular crank (34), a fourth toothed plate (37) is meshed with the lower surface of the second gear (36), the front end of the fourth toothed plate (37) penetrates through the front side of the U-shaped frame (1) and is connected with the U-shaped frame (1) in a limiting and sliding manner, a three-way pipe (38) is fixedly connected to the front side of the U-shaped frame (1), the left end of the three-way pipe (38) penetrates through the left sides of the U-shaped frame (1) and the collecting box (32) and extends into the collecting box (32), the inner wall of the three-way pipe (38) is fixedly connected with a one-way air valve I (39) and a one-way air valve II (40), the front end of the toothed plate IV (37) penetrates through the rear side of the three-way pipe (38) and is fixedly connected with a piston (41), and the surface of the piston (41) is in limited sliding connection with the inner wall of the three-way pipe (38).

5. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 3, wherein: the surface of the cylinder (26) close to the front end is fixedly connected with two limit rings (261), and the opposite surfaces of the two limit rings (261) are rotatably connected with the inner wall of the U-shaped frame (1) and the front side of the U-shaped frame (1).

6. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 1, wherein: the power mechanism (2) comprises a motor (42), the right side of the motor (42) is fixedly connected with the inner wall of the U-shaped frame (1), a second shaft (43) is fixedly connected with the left end of an output shaft on the motor (42), a third gear (44) is fixedly sleeved on the surface, close to the left end, of the second shaft (43), a fourth gear (45) is meshed with the lower surface of the third gear (44), and the inner wall of the fourth gear (45) is fixedly connected with the surface of the first shaft (3).

7. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 2, wherein: the second cutting gear set (21) and the first cutting gear set (20) are formed by vertically spacing and stacking a plurality of cutting gears.

8. The rice and wheat straw absorption, chopping and collection device for the agricultural machine as claimed in claim 3, wherein: the sliding block (25) is a spherical sliding block, and the sliding block (25) is connected with the inner wall of the inclined annular groove (27) in a sliding mode through an arc-shaped surface on the sliding block.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a rice and wheat straw absorbing, cutting and collecting device for agricultural machinery.

Background

The straw is a general term of stem leaf (ear) part of mature crops. Typically refers to the remainder of the wheat, rice, corn, potatoes, oilseed rape, cotton, sugar cane and other crops (typically roughages) after harvesting the seed. More than half of the products of crop photosynthesis exist in the straws, and the straws are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, are multipurpose renewable biological resources, and are also coarse feed. It features high coarse fibre content (30-40%), and lignin content.

The related national departments forbid the burning of straws strictly. The straw returning technology has the effects of increasing the yield, improving the nitrogen, phosphorus and potassium nutrient content of soil, improving the soil and the like, and is an important way for effectively utilizing the straws; returning straws to the field is the most effective way for soil to obtain cellulose, but the capacity of the soil to the fibers is limited, so that on one hand, too much straw is returned to the field, and the later-stage crop seeding is directly influenced; on the other hand, the soil is too fibrous, so that the decomposed organic acid cannot influence the root development, but the yield of crops is reduced; therefore, the method for converting biomass energy by concentrating the straws is an effective way for solving the problems of large straw yield and insufficient energy.

But in the in-service use process, because traditional straw collection device is difficult to carry out abundant smashing and be difficult to carry out timely abundant collection to the straw for still remaining a large amount of straws in the wheat field, the quality of work efficiency and processing is difficult to obtain promoting, brings inconvenience for subsequent agricultural seeding.

Disclosure of Invention

The invention aims to provide a rice and wheat straw absorbing, chopping and collecting device for agricultural machinery, which has the advantages of chopping straws, collecting in a centralized manner and adsorbing and collecting, and solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rice and wheat festival straw absorbs cuts up collection device for agricultural machine, includes U-shaped frame and connecting block two, the inner wall fixedly connected with power unit of U-shaped frame, the inner wall dead axle of U-shaped frame rotates and is connected with and drives pivoted axle one by power unit, the both ends of axle one run through U-shaped frame and fixedly connected with gyro wheel one, the side of U-shaped frame is rotated the dead axle and is connected with gyro wheel two, the last fixed surface of U-shaped frame is connected with the apron.

Two equal fixedly connected with connecting block one of eccentric position department on the looks of the back of the body side of gyro wheel one, the one side of keeping away from gyro wheel one on the connecting block one is seted up flutedly and is connected with universal ball one through the spacing rotation of recess, the fixed surface of universal ball one is connected with the dwang, the one end fixedly connected with universal ball two of keeping away from universal ball one on the dwang, the side of connecting block two is seted up flutedly and is connected through the spacing rotation in surface of recess and universal ball two, the front side fixedly connected with driving plate of connecting block two, the side fixedly connected with inserted bar of U-shaped frame, the inserted bar run through the driving plate and with driving plate sliding connection, be equipped with the comminution device on the driving plate, be equipped with collection device on the comminution device, be equipped with adsorption equipment on the collection device.

Preferably, the shredding device includes two first pinion racks, two the back of the body end of carrying on the back of the body of pinion rack respectively with two opposite side fixed connection of driving plate, two the tooth meshing on the opposite side of first pinion rack has gear one, the top of gear one is connected with the lower surface spacing rotation of apron, the coaxial ring tooth pole that has linked firmly in bottom of gear one, the both sides of ring tooth pole meshing respectively have cutting gear group one and cutting gear group two, the top of cutting gear group one and cutting gear group two all with lap the lower surface on the dead axle rotation be connected.

Preferably, the collecting device comprises a toothed plate II and a toothed plate III which are in front-back limit sliding on the inner wall of the U-shaped frame, teeth on the toothed plate II are meshed with teeth on the cutting gear set II, teeth on the toothed plate III are meshed with teeth on the cutting gear set I, the rear end of the toothed plate III is fixedly connected with a connecting plate I, the left end of the connecting plate I is fixedly connected with a cylinder, the front side of the U-shaped frame is provided with a through hole and is connected with the cylinder in a limit rotating manner through the through hole, an inclined annular groove is formed in the arc profile of the cylinder, the inner wall of the inclined annular groove is connected with the surface of the sliding block in a sliding manner, an arc-shaped convex block is fixedly connected to the surface of the cylinder close to the rear end, a connecting plate II is connected to the arc profile of the arc-shaped convex block in a sliding manner, the rear side of the connecting plate II is fixedly connected with the front end of the toothed plate II, and the upper surface of the connecting plate II is fixedly connected with an excavating claw, the inner wall fixed connection of U-shaped frame has the inclined plane guide block, the front side fixedly connected with of inclined plane guide block collects the box, the both sides of collecting the box and the inner wall fixed connection of U-shaped frame.

Preferably, the adsorption device comprises a through groove formed in the surface of the leftmost excavating claw, a rectangular crank is connected with the front and back of the inner wall of the through groove in a limiting and sliding manner, a damping spring is fixedly connected with the rear side of the rectangular crank, the rear end of the damping spring is fixedly connected with the inner wall of the through groove, the surface of the rectangular crank, which is close to the left end, penetrates through the side face of the U-shaped frame and is in limiting and rotating connection with the U-shaped frame, a second gear is fixedly sleeved on the surface of the rectangular crank, which is close to the horizontal section of the left end, the lower surface of the second gear is engaged with a fourth toothed plate, the front end of the fourth toothed plate penetrates through the front side of the U-shaped frame and is in limiting and sliding connection with the U-shaped frame, a three-way pipe is fixedly connected with the front side of the U-shaped frame, the left end of the three-way pipe penetrates through the left sides of the U-shaped frame and the collecting box and extends into the collecting box, and a first one-way air valve and a second one-way air valve are fixedly connected with the inner wall of the three-way pipe, the front end of the toothed plate IV penetrates through the rear side of the three-way pipe and is fixedly connected with a piston, and the surface of the piston is in limit sliding connection with the inner wall of the three-way pipe.

Preferably, the surface of the cylinder close to the front end is fixedly connected with two limiting rings, and the opposite surfaces of the two limiting rings are rotatably connected with the inner wall of the U-shaped frame and the front side of the U-shaped frame.

Preferably, the power mechanism comprises a motor, the right side of the motor is fixedly connected with the inner wall of the U-shaped frame, the left end of an output shaft on the motor is fixedly connected with a second shaft, a third gear is fixedly sleeved on the surface, close to the left end, of the second shaft, a fourth gear is meshed with the lower surface of the third gear, and the inner wall of the fourth gear is fixedly connected with the surface of the first shaft.

Preferably, the second cutting gear set and the first cutting gear set are formed by vertically spacing and stacking a plurality of cutting gears.

Preferably, the sliding block is a spherical sliding block, and the sliding block is in sliding connection with the inner wall of the inclined annular groove through an arc-shaped surface on the sliding block.

Compared with the prior art, the invention has the following beneficial effects: the U-shaped frame plays a role in integral fixing and supporting, and the opening of the U-shaped frame faces backwards; the power mechanism drives the first shaft to rotate, so that the first shaft drives the first roller to rotate synchronously, and after the first roller rotates, the U-shaped frame can move backwards in the wheat field integrally under the cooperation of the second roller;

the connecting block I is driven to synchronously rotate by the roller, and because the connecting block I is located at the eccentric position on the roller I, namely the connecting block I eccentrically rotates on the roller I, the motion track of the driving plate is limited by the inserted link, so that the driving plate can only slide left and right.

Under the coordination of the universal ball I, the rotating rod, the universal ball II, the connecting block II, the transmission plate and the inserted link, when the connecting block I rotates along with the roller I, the connecting block II drives the transmission plate to rotate on the inserted link in a left-right reciprocating manner, and through the coordination of the transmission plate and the chopping device, the chopping operation of the straws in the U-shaped frame is realized;

through the arrangement of the collecting device, the cut straws can be collected;

through adsorption equipment's setting, can carry out the secondary negative pressure to the wheat field after collecting and adsorb the collection operation, avoid appearing slight clastic omission, realize more abundant cleanness.

Through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional straw collection device is difficult to carry out abundant smashing and be difficult to carry out timely abundant collection to the straw for still remaining a large amount of straws in the wheat field, the quality of work efficiency and processing is difficult to obtain promoting, brings inconvenient problem for subsequent agricultural seeding.

Drawings

FIG. 1 is a top view of a U-shaped frame of the present invention;

FIG. 2 is a left side view of the channel of the present invention;

FIG. 3 is a top view of the cover plate of the present invention;

FIG. 4 is a top view of the ring gear rack of the present invention;

FIG. 5 is a front view of the cylinder of the present invention;

FIG. 6 is a top cross-sectional view of the piston of the present invention;

fig. 7 is a front view of a swivelling lever of the present invention;

FIG. 8 is a left side view of the ramp guide block of the present invention;

fig. 9 is a front view of a first cutting gear set of the present invention.

In the figure: 1. a U-shaped frame; 2. a power mechanism; 3. a first shaft; 4. a first roller; 5. a cover plate; 6. a first connecting block; 7. a first universal ball; 8. rotating the rod; 9. a second universal ball; 10. a second connecting block; 11. a drive plate; 12. inserting a rod; 13. a shredding device; 14. a collection device; 15. an adsorption device; 16. a second roller; 17. a toothed plate I; 18. a first gear; 19. a ring gear rack; 20. a first cutting gear set; 21. a second cutting gear set; 22. a toothed plate II; 23. a toothed plate III; 24. a first connecting plate; 25. a slider; 26. a cylinder; 261. a limiting ring; 27. an annular groove is obliquely arranged; 28. an arc-shaped bump; 29. a second connecting plate; 30. digging claws; 31. a bevel guide block; 32. a collection box; 33. a through groove; 34. a rectangular crank; 35. a damping spring; 36. a second gear; 37. a toothed plate IV; 38. a three-way pipe; 39. a one-way air valve I; 40. a one-way air valve II; 41. a piston; 42. a motor; 43. a second shaft; 44. a third gear; 45. and gear four.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: a rice and wheat section straw absorbing, chopping and collecting device for agricultural machinery comprises a U-shaped frame 1 and a second connecting block 10, wherein the U-shaped frame 1 plays a role in integral fixed support, and the opening of the U-shaped frame 1 faces backwards; the inner wall of the U-shaped frame 1 is fixedly connected with a power mechanism 2, the inner wall of the U-shaped frame 1 is fixedly connected with a first shaft 3 which is driven to rotate by the power mechanism 2 in a fixed-axis mode, the power mechanism 2 comprises a motor 42, the right side of the motor 42 is fixedly connected with the inner wall of the U-shaped frame 1, the left end of an output shaft on the motor 42 is fixedly connected with a second shaft 43, a third gear 44 is fixedly sleeved on the surface, close to the left end, of the second shaft 43, a fourth gear 45 is meshed with the lower surface of the third gear 44, and the inner wall of the fourth gear 45 is fixedly connected with the surface of the first shaft 3.

When the device is used, the motor 42 is powered on, the output shaft on the motor drives the second shaft 43 to synchronously rotate, the second shaft 43 drives the third gear 44 to rotate, the fourth gear 45 meshed with the third gear 44 drives the first shaft 3 to rotate, and finally the first shaft 3 drives the first two rollers 4 to rotate.

The both ends of axle one 3 run through U-shaped frame 1 and fixedly connected with gyro wheel one 4, drive the rotation of axle one 3 through power unit 2, make axle one 3 drive the synchronous rotation of gyro wheel one 4, and after gyro wheel one 4 rotates, under the cooperation of gyro wheel two 16, make U-shaped frame 1 whole can remove in the wheat field towards the back, because U-shaped frame 1's uncovered towards the back, can make the entering U-shaped frame 1 that the straw in the wheat field can be smooth, in this scheme, U-shaped frame 1 moves towards the back. The side surface of the U-shaped frame 1 is connected with a second roller 16 through a rotating fixed shaft, and the upper surface of the U-shaped frame 1 is fixedly connected with a cover plate 5;

the eccentric positions on the opposite sides of the two first rollers 4 are fixedly connected with a first connecting block 6, the first connecting block 6 is driven to synchronously rotate through the first rollers 4, the first connecting block 6 is positioned at the eccentric position on the first rollers 4, namely the first connecting block 6 eccentrically rotates on the first rollers 4, one side of the first connecting block 6, which is far away from the first rollers 4, is provided with a groove and is rotatably connected with a first universal ball 7 through the groove in a limiting way, the surface of the first universal ball 7 is fixedly connected with a rotating rod 8, one end of the rotating rod 8, which is far away from the first universal ball 7, is fixedly connected with a second universal ball 9, the side surface of the second connecting block 10 is provided with a groove and is rotatably connected with the surface of the second universal ball 9 through the groove, the front side of the second connecting block 10 is fixedly connected with a driving plate 11, the side surface of the U-shaped frame 1 is fixedly connected with an inserting rod 12, and the inserting rod 12 penetrates through the driving plate 11 and is slidably connected with the driving plate 11, the motion track of the transmission plate 11 is limited by the inserted rod 12, so that the transmission plate can only slide left and right.

Under the cooperation of the first universal ball 7, the rotating rod 8, the second universal ball 9, the second connecting block 10, the transmission plate 11 and the inserted link 12, after the first connecting block 6 rotates along with the first roller 4, the second connecting block 10 can drive the transmission plate 11 to rotate on the inserted link 12 in a left-right reciprocating mode.

The transmission plate 11 is provided with a chopping device 13, and the chopping operation of the straws in the U-shaped frame 1 is realized through the matching of the transmission plate 11 and the chopping device 13.

The chopping device 13 comprises two toothed plate I17, the opposite ends of the two toothed plate I17 are fixedly connected with the opposite sides of the two transmission plates 11 respectively, teeth on the opposite sides of the two toothed plate I17 are meshed with a first gear 18, the top of the first gear 18 is in limited rotary connection with the lower surface of the cover plate 5, the bottom of the first gear 18 is coaxially and fixedly connected with a ring gear rod 19, two sides of the ring gear rod 19 are respectively meshed with a first cutting gear set 20 and a second cutting gear set 21, and the tops of the first cutting gear set 20 and the second cutting gear set 21 are in fixed-axis rotary connection with the lower surface of the cover plate 5.

When the straw chopping machine is used, the first gear 18 can rotate on the cover plate 5 in a reciprocating mode through mutual movement of the first two toothed plates 17, the first gear 18 drives the annular toothed rod 19 to rotate synchronously, as shown in fig. 4, when the first gear 18 drives the annular toothed rod 19 to rotate clockwise, the first cutting gear set 20 and the second cutting gear set 21 meshed with the annular toothed rod 19 can rotate anticlockwise step by step, at the moment, the annular toothed rod 19 is meshed with the first cutting gear set 20 in a matched mode, straw entering between the annular toothed rod 19 and the first cutting gear set 20 can be chopped, and at the moment, the annular toothed rod 19 is meshed with the second cutting gear set 21, more straw can enter between the annular toothed rod 19 and the second cutting gear set 21.

The second cutting gear set 21 and the first cutting gear set 20 are formed by vertically spacing and stacking a plurality of cutting gears, and when the straw chopping machine is used, straws can be chopped into a plurality of small sections through meshing of the second cutting gear set 21 and the first cutting gear set 20 and the annular tooth toothed bar 19, so that the straws are convenient to collect.

Because the annular gear rod 19 can rapidly rotate reversely along with the first gear 18, once the annular gear rod 19 is adjusted in the direction of rotation, straws which are positioned between the annular gear rod 19 and the second cutting gear set 21 are chopped, and the straws are collected temporarily between the annular gear rod 19 and the first cutting gear set 20.

The cutting device 13 is provided with a collecting device 14, and the cut straws can be collected by the collecting device 14.

Collecting device 14 includes spacing gliding pinion rack two 22 and pinion rack three 23 around on U-shaped frame 1 inner wall, tooth meshing on tooth and the cutting gear train two 21 on the pinion rack two 22, tooth meshing on tooth and the cutting gear train one 20 on the pinion rack three 23, the rear end fixedly connected with connecting plate one 24 of pinion rack three 23, the left end fixedly connected with cylinder 26 of connecting plate one 24, the front side of U-shaped frame 1 is opened and is equipped with the through-hole and is connected with cylinder 26 through the spacing rotation of through-hole, the fixed surface that is close to the front end on the cylinder 26 is connected with two spacing rings 261, the opposite face of two spacing rings 261 and the inner wall of U-shaped frame 1 and the front side rotation of U-shaped frame 1 are connected.

Through the setting of two spacing rings 261 on the cylinder 26, can further restrict the spacing rotation of cylinder 26 on U-shaped frame 1, stability when guaranteeing its rotation.

Seted up on the arc profile of cylinder 26 and put annular groove 27 to one side, put annular groove 27's inner wall and slider 25's sliding surface connection to one side, be close to the fixed surface of rear end on cylinder 26 and be connected with arc lug 28, sliding connection has connecting plate two 29 on the arc profile of arc lug 28, the rear side of connecting plate two 29 and the front end fixed connection of pinion rack two 22, the last fixed surface of connecting plate two 29 is connected with digs claw 30, the inner wall fixed connection of U-shaped frame 1 has inclined plane guide block 31, the box 32 is collected to the front side fixedly connected with of inclined plane guide block 31, collect the both sides of box 32 and the inner wall fixed connection of U-shaped frame 1.

When the cutting device is used, the toothed plate three 23 and the toothed plate two 22 which are engaged with the cutting gear set first 20 and the cutting gear set second 21 are driven to synchronously move through the rotation of the cutting gear set first 20 and the cutting gear set second 21, as shown in fig. 1, as the cylindrical column 26 can only perform limited rotation on the front side of the U-shaped frame 1, when the toothed plate three 23 drives the connecting plate one 24 to perform front and back movement, the connecting plate one 24 and the sliding block 25 can perform front and back movement synchronously, so that the sliding block 25 and the inclined annular groove 27 can generate relative sliding, and the cylindrical column 26 can smoothly rotate on the U-shaped frame 1 under the guidance of an annular track on the inclined annular groove 27, and the cylindrical column 26 can perform reciprocating rotation on the U-shaped frame 1 in cooperation with the front and back reciprocating movement of the toothed plate three 23.

The connecting plate two 29 and the digging claw 30 are driven to move back and forth through the back and forth movement of the gear wheel two 22, when the connecting plate two 29 carries the digging claw 30 to move back, the lower surface of the connecting plate two 29 is gradually transited from the cylindrical column 26 to the arc-shaped convex block 28 along with the rotation of the cylindrical column 26 and the arc-shaped convex block 28, as shown in fig. 5, when the lower surface of the connecting plate two 29 is transited from the cylindrical column 26 to the arc-shaped convex block 28 and slides down to the cylindrical column 26 through the arc-shaped convex block 28, the gear wheel two 22 carries the connecting plate two 29 and the digging claw 30 to move back, at the moment, the digging claw 30 moves up and down first, so that the digging claw 30 can simulate the downward digging action, the straws chopped by the ring gear rod 19, the cutting gear set one 20 and the cutting gear set two 21 can be collected from the ground, and then the gear wheel one 18 and the ring gear rod 19 are adjusted in steering direction, so that the gear wheel two 22 carries the connecting plate two 29 and the digging claw 30 to move back, during the backward movement, the straw scraps collected by the digging claw 30 are pulled to the inclined plane guide block 31, and finally the straw scraps are thrown into the collecting box 32 by the inclined plane on the inclined plane guide block 31, and the final collection of the straws is completed in the collecting box 32. In the process, the second connecting plate 29 also ascends when passing through the arc surface on the arc-shaped projection 28, and a part of straw scraps are lost through the ascending adjustment, so that the remaining scraps excavated by the excavating claw 30 can smoothly enter the collecting box 32 through the guide of the inclined surface on the inclined surface guide block 31. The chopped straw can be collected in a centralized manner by the reciprocating operation of the digging claw 30.

The slider 25 is spherical slider, and the slider 25 is through the arcwall face on it and put annular groove 27's inner wall sliding connection to one side, and the setting that is spherical slider through slider 25 for the frictional resistance between slider 25 and the inclined annular groove 27 inner wall reduces greatly, makes the slider 25 can be more smooth in the slip of putting annular groove 27 to one side.

Be equipped with adsorption equipment 15 on the collection device 14, through adsorption equipment 15's setting, can carry out the secondary negative pressure to the wheat field after collecting and adsorb the collection operation, avoid appearing slight clastic omission, realize more abundant cleanness.

The adsorption device 15 comprises a through groove 33 formed in the surface of the leftmost excavating claw 30, a rectangular crank 34 is connected with the front and back of the inner wall of the through groove 33 in a limiting and sliding manner, a damping spring 35 is fixedly connected with the back side of the rectangular crank 34, the back end of the damping spring 35 is fixedly connected with the inner wall of the through groove 33, the surface of the rectangular crank 34 close to the left end penetrates through the side surface of the U-shaped frame 1 and is connected with the U-shaped frame 1 in a limiting and rotating manner, a second gear 36 is fixedly sleeved on the surface of the rectangular crank 34 close to the horizontal section of the left end, a fourth toothed plate 37 is meshed with the lower surface of the second gear 36, the front end of the fourth toothed plate 37 penetrates through the front side of the U-shaped frame 1 and is connected with the U-shaped frame 1 in a limiting and sliding manner, a three-way pipe 38 is fixedly connected with the front side of the U-shaped frame 1, the left end of the three-way pipe 38 penetrates through the left sides of the U-shaped frame 1 and the collecting box 32 and extends into the collecting box 32, a first one-way air valve 39 and a second one-way air valve 40 are fixedly connected with the inner wall of the three-way pipe 38, the front end of the toothed plate four 37 penetrates through the rear side of the three-way pipe 38 and is fixedly connected with a piston 41, and the surface of the piston 41 is in limited sliding connection with the inner wall of the three-way pipe 38.

Through the reciprocating swing of the digging claw 30, the rectangular crank 34 can be driven to perform fixed-axis rotation on the U-shaped frame 1, through the rotation, the gear second 36 can smoothly perform reciprocating rotation, through the rotation, the back and forth movement of the toothed plate fourth 37 is realized, the toothed plate fourth 37 drives the piston 41 to perform back and forth movement in the three-way pipe 38, when the piston 41 moves forwards, the air pressure of an L space on the three-way pipe 38 is increased, the air in the space is forced to enter a left pipeline of the three-way pipe 38 through the one-way air valve second 40 and finally enter the collecting box 32, when the piston 41 moves backwards in the L space, the air pressure in the space is sharply reduced, the outside air can enter the L space through the one-way air valve first 39, the outside air adsorption is completed, and when a right port of the three-way pipe 38 faces downwards vertically, the debris in the wheat residues can be adsorbed and collected, the scraps of the straws are further collected, so that the sufficient degree of collection is improved. Considering that the connecting plate two 29 cannot be lifted when the lower surface of the connecting plate two 29 is in contact with the arc-shaped contour surface of the column 26, only the toothed plate two 22 drives the connecting plate two 29 and the digging claw 30 to move forwards or backwards, and because the digging claw 30 cannot swing at this time, the movement in a single direction cannot drive the fixed shaft of the rectangular crank 34 to rotate, the partial back and forth movement of the digging claw 30 is counteracted through the movement of the rectangular crank 34 in the through groove 33, and through the arrangement of the damping spring 35, the situation that the rectangular crank 34 slides in the through groove 33 when the digging claw 30 swings is avoided, and meanwhile, the damping effect is achieved.

The working principle is as follows: when the rice and wheat section straw absorbing, chopping and collecting device for the agricultural machine is used, the U-shaped frame 1 plays a role in integral fixed support, and the opening of the U-shaped frame 1 faces backwards; the power mechanism 2 drives the shaft I3 to rotate, so that the shaft I3 drives the roller I4 to synchronously rotate, after the roller I4 rotates, the U-shaped frame 1 can integrally move backwards in the wheat field under the cooperation of the roller II 16, and the straws in the wheat field can smoothly enter the U-shaped frame 1 due to the backward opening of the U-shaped frame 1; the first roller 4 drives the first connecting block 6 to synchronously rotate, and the first connecting block 6 is positioned at an eccentric position on the first roller 4, namely the first connecting block 6 eccentrically rotates on the first roller 4, so that the motion track of the driving plate 11 is limited by the inserted rod 12 and can only slide left and right; under the matching of the universal ball I7, the rotating rod 8, the universal ball II 9, the connecting block II 10, the transmission plate 11 and the inserted link 12, after the connecting block I6 rotates along with the roller I4, the connecting block II 10 can drive the transmission plate 11 to rotate on the inserted link 12 in a left-right reciprocating mode, and the straw is chopped in the U-shaped frame 1 through the matching of the transmission plate 11 and the chopping device 13; through the arrangement of the collecting device 14, the collecting operation can be carried out on the chopped straws; through the arrangement of the adsorption device 15, the wheat field after collection can be subjected to secondary negative pressure adsorption collection operation, so that fine debris is prevented from being omitted, and more sufficient cleaning is realized; through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional straw collection device is difficult to carry out abundant smashing and be difficult to carry out timely abundant collection to the straw for still remaining a large amount of straws in the wheat field, the quality of work efficiency and processing is difficult to obtain promoting, brings inconvenient problem for subsequent agricultural seeding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.