CN212753306U

CN212753306U - Straw crushing and returning machine

Info

Publication number: CN212753306U
Application number: CN202020774317.1U
Authority: CN
Inventors: 陈思彦
Original assignee: Harbin Linpan Technology Co ltd
Current assignee: Harbin Linpan Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-03-23
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to the technical field of agricultural machinery, and a still field machine is smashed to straw is disclosed, which comprises a housing, one side fixedly connected with transmission case of housing, the rear axle has been cup jointed in the activity of the inside both sides of housing, it rotates the wheel to cup joint respectively fixedly on rear axle and the driving shaft, epaxial rotation wheel of rear axle passes through the driving belt transmission with the epaxial rotation wheel of driving, the vertical fixedly connected with front axle in back of housing, the lower extreme fixedly connected with stationary knife of front axle, the middle part fixedly connected with box assembly of housing upper end, driving shaft and box assembly swing joint. The utility model discloses a smash still field machine's working part to the straw and improve, will move the knife blade and change into shovel shape blade, and shovel shape blade tip is great, has increased rotation inertia, makes its straw that more is favorable to smashing crops, and moves more intensive that the knife blade set up for the straw can fully smash, has avoided the straw to smash the problem of varying in size.

Description

Straw crushing and returning machine

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a straw crushing and returning machine.

Background

The straw crushing and returning machine is used for crushing straws of grain crops such as corn and the like collected in a field, and then throwing the crushed straws into the field, so that nutrition in the straws acts on soil, and soil nutrients are increased.

However, the existing straw crushing and returning machine has uneven stress on the cutter for crushing the straws, so that the crushed straws are different in size, the quantity of the straws left after harvesting crops is larger than the quantity required for returning the straws to the field, and the contradiction that soil microorganisms (namely the microorganisms for converting the straws) compete for nutrients with crop seedlings is easy to occur, so that the phenomena of yellow seedlings, dead seedlings, yield reduction and the like are caused; insect eggs, thallus and other pests in the straws cannot be killed in the direct crushing process of the existing straw crushing and returning machine, the pests and the insects are left in the soil after returning to the field, and the crop yield is reduced due to the direct occurrence of the pests and the insects or the occurrence of the pests in the next winter; after the crop straws are crushed and returned to the field, most of the crushed straws are not turned deeply in time to cover, and the crushed straw nutrients are based on the surface layer of the soil, so that the water infiltration is influenced, the soil cannot fully absorb the nutrients in the straws, and the nutrient supply in the later period of the post-production is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a still field machine is smashed to straw possesses and smashes the straw abundant, and the nutrient composition that the straw produced fully acts on in soil, increases the advantage of soil nutrient, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: a straw crushing and returning machine comprises a housing, wherein a transmission case is fixedly connected to one side of the housing, rear shafts are movably sleeved on two sides inside the housing, rotating wheels are fixedly sleeved on the rear shafts and a driving shaft respectively, the rotating wheels on the rear shafts are in transmission connection with the rotating wheels on the driving shaft through a transmission belt, a front shaft is longitudinally and fixedly connected to the back surface of the housing, a fixed cutter is fixedly connected to the lower end of the front shaft, a box body assembly is fixedly connected to the middle of the upper end of the housing, the driving shaft is movably connected with the box body assembly, a suspension bracket is arranged at the upper end of the box body assembly, four corners of the lower end of the suspension bracket are fixedly connected with a support respectively, the bottom end of the support is fixedly connected with the housing, a fertilizer box is arranged on the upper surface of the housing, the front lower portion of the housing is fixedly connected with one end of, the lower extreme fixedly connected with wheel of iron plough, the fertilizer hole has been seted up to the bottom of fertilizer case, the epaxial activity of rear axle is riveted with moves the sword, move fixedly connected with hammer leaf formula blade on the sword.

Preferably, the fixed knife is of a trapezoidal structure, and sawteeth are arranged on two sides of the fixed knife.

Preferably, the number of the iron plows is three, and the three iron plows are uniformly arranged.

Preferably, the number of the fertilizer holes is nine, and the nine fertilizer holes are uniformly arranged at the bottom of the fertilizer box.

Preferably, the gap value between adjacent blades on the fixed knife and the gap value between adjacent hammer type blades on the movable knife are both 1-2mm, and the materials of the fixed knife and the movable knife are all high-carbon manganese steel.

Preferably, the movable knife is provided with three hammer-piece type blades, and the three hammer-piece type blades are fixedly connected to the movable knife through bolts.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a smash still field machine's working part to the straw and improve, will move the knife blade and change into shovel shape blade, and shovel shape blade tip is great, has increased rotation inertia, makes its straw that more is favorable to smashing crops, and moves more intensive that the knife blade set up for the straw can fully smash, has avoided the straw to smash the problem of varying in size.

2. The utility model discloses an increase the iron plough device, after the crops straw is smashed and is returned to the field, the iron plough turns over earth on the straw after smashing, can in time deeply turn over and cover the straw, make soil fully absorb the nutrient in the straw, avoided the straw nutrient after smashing to be difficult to for the problem existence of later stage crop supply nutrient based on the soil surface layer; meanwhile, a fertilizer box is added at the upper end of the housing, and nitrogen and phosphate fertilizers are added in the crushed straws, so that the contradiction that the microorganisms converted from the straws compete for nutrients with crop seedlings is avoided, and the phenomena of yellow seedlings, dead seedlings and yield reduction are avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the fertilizer can of the present invention;

FIG. 4 is a schematic view of the rear axle structure of the present invention;

fig. 5 is a schematic view of the moving blade structure of the present invention.

In the figure: 1. a housing; 2. a transmission case; 3. a rear axle; 4. a drive shaft; 5. a drive belt; 6. a front axle; 7. fixing a cutter; 8. a box body assembly; 9. a suspension bracket; 10. a support; 11. a fertilizer box; 12. an iron plough; 13. a plowshare; 14. a wheel; 15. fertilizer holes; 16. moving a knife; 17. a hammer blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a straw crushing and returning machine comprises a housing 1, a transmission case 2 is fixedly connected to one side of the housing 1, a rear shaft 3 is movably sleeved to two sides inside the housing 1, rotating wheels are respectively fixedly sleeved on the rear shaft 3 and a driving shaft 4, the rotating wheels on the rear shaft 3 are in transmission connection with the rotating wheels on the driving shaft 4 through a transmission belt 5, a front shaft 6 is longitudinally and fixedly connected to the back surface of the housing 1, a fixed cutter 7 is fixedly connected to the lower end of the front shaft 6, the fixed cutter 7 is made of high carbon manganese steel, the gap value between adjacent blades on the fixed cutter 7 is 1-2mm, the fixed cutter 7 is in a trapezoidal structure, sawteeth are arranged on two sides of the fixed cutter 7, a box assembly 8 is fixedly connected to the middle part of the upper end of the housing 1, the driving shaft 4 is movably connected with the box assembly 8, a suspension bracket 9 is arranged at the upper end of the box assembly 8, the lower end, the bottom end of the bracket 10 is fixedly connected with the housing 1, the upper surface of the housing 1 is provided with a fertilizer box 11, nitrogen and phosphate fertilizers are added in the crushed straws, so that the contradiction that microorganisms converted from the straws compete for nutrients with crop seedlings is avoided, and further the phenomena of yellow seedlings, dead seedlings and yield reduction are avoided, the front lower part of the housing 1 is fixedly connected with one end of an iron plough 12, the iron plough 12 turns soil over the crushed straws to cover the straws deeply in time, so that the soil fully absorbs the nutrients in the straws, the problem that the crushed straw nutrients are difficult to supply nutrients for later-stage crops on the basis of the soil surface layer is avoided, the number of the iron ploughs 12 is three, the three iron ploughs 12 are uniformly arranged, the other end of the iron plough 12 is fixedly connected with a plough head 13, the lower end of the iron plough 12 is fixedly connected with a wheel 14, the bottom of the fertilizer box 11 is provided with fertilizer holes 15, and the number of the fertilizer holes, nine fertilizer holes 15 are uniformly arranged at the bottom of the fertilizer box 11, the movable knife 16 is movably riveted on the rear shaft 3, blades of the movable knife 16 are arranged more densely, so that straws can be fully crushed, and the problem of different sizes of crushed straws is avoided, the blades of the movable knife 16 are also made of high-carbon manganese steel, the movable knife 16 is fixedly connected with a hammer blade 17, the end part of the shovel blade is larger, the rotation inertia is increased, so that the straw crushing is more favorable for crushing the straws of crops, the movable knife 16 is provided with three hammer blades 17, the gap between the adjacent hammer blades 17 on the movable knife 16 is also 1-2mm, and the three hammer blades 17 are fixedly connected on the movable knife 16 through bolts.

The working principle is as follows: when the straw crushing and returning machine is used, firstly, the straw crushing and returning machine is installed at the tail part of a tractor, a plowshare 13 enters soil, then a proper amount of nitrogen and phosphate fertilizer is poured into a fertilizer box 11, then the tractor is started, the power of the tractor drives the straw crushing and returning machine, a box body assembly 8 drives a driving shaft 4 to rotate, the driving shaft 4 drives a rear shaft 3 to rotate through a transmission belt 5, when the rear shaft 3 rotates at a high speed, a hammer blade 17 and a fixed blade 7 act oppositely to cut straws fed from the front of a housing 1, the straws are repeatedly cut until the straws fall from the lower part of the housing 1, meanwhile, the nitrogen and the phosphate fertilizer fall onto the crushed straws, and finally, an iron plough 12 turns up the soil to cover the straws and the nitrogen and the phosphate fertilizer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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.

Claims

1. The utility model provides a still field machine is smashed to straw, includes housing (1), its characterized in that: one side of the housing (1) is fixedly connected with a transmission case (2), two sides of the interior of the housing (1) are movably sleeved with a rear shaft (3), the rear shaft (3) and the driving shaft (4) are respectively and fixedly sleeved with a rotating wheel, the rotating wheel on the rear shaft (3) is in transmission connection with the rotating wheel on the driving shaft (4) through a transmission belt (5), the back of the housing (1) is longitudinally and fixedly connected with a front shaft (6), the lower end of the front shaft (6) is fixedly connected with a fixed cutter (7), the middle part of the upper end of the housing (1) is fixedly connected with a box body assembly (8), the driving shaft (4) is movably connected with the box body assembly (8), the upper end of the box body assembly (8) is provided with a suspension bracket (9), four corners of the lower end of the suspension bracket (9) are respectively and fixedly connected with a support (10), and the bottom end of the support (10) is fixedly connected, the upper surface of housing (1) is provided with fertilizer case (11), the positive lower part of housing (1) and the one end fixed connection of iron plough (12), the other end fixedly connected with ploughshare (13) of iron plough (12), the lower extreme fixedly connected with wheel (14) of iron plough (12), fertilizer hole (15) have been seted up to the bottom of fertilizer case (11), the movable riveting has moved sword (16) on rear axle (3), move fixedly connected with hammer leaf formula blade (17) on sword (16).

2. The straw crushing and returning machine as claimed in claim 1, wherein: the fixed knife (7) is of a trapezoidal structure, and sawteeth are arranged on two sides of the fixed knife (7).

3. The straw crushing and returning machine as claimed in claim 1, wherein: the number of the iron plows (12) is three, and the three iron plows (12) are uniformly arranged.

4. The straw crushing and returning machine as claimed in claim 1, wherein: the fertilizer holes (15) are nine in number, and the nine fertilizer holes (15) are uniformly arranged at the bottom of the fertilizer box (11).

5. The straw crushing and returning machine as claimed in claim 1, wherein: the clearance values between adjacent blades on the fixed cutter (7) and between adjacent hammer-type blades (17) on the movable cutter (16) are 1-2mm, and the blades of the fixed cutter (7) and the movable cutter (16) are made of high-carbon manganese steel.

6. The straw crushing and returning machine as claimed in claim 1, wherein: the movable knife (16) is provided with three hammer-blade type blades (17), and the three hammer-blade type blades (17) are fixedly connected to the movable knife (16) through bolts.