CN109258084B

CN109258084B - Tractor with straw is smashed and incomplete membrane of function is retrieved

Info

Publication number: CN109258084B
Application number: CN201811089035.1A
Authority: CN
Inventors: 梁明; 薛天东
Original assignee: Zhejiang Benquan Intelligent Equipment Co ltd
Current assignee: Zhejiang Benquan Intelligent Equipment Co ltd
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2021-04-27
Anticipated expiration: 2038-09-18
Also published as: CN109258084A

Abstract

The invention relates to a tractor, in particular to a tractor with straw smashing and residual film recycling functions. It solves the tractor that prior art exists's structure comparatively complicated, and is less incomplete to the smashing of straw, smashes efficiency and is lower to can't carry out the plastic film and retrieve, the function is comparatively single, degree of automation is also lower technical problem. The straw stubble cutting and screening machine comprises a frame (1), wherein a traction frame (2) is arranged at the front end of the frame (1), a straw crushing mechanism is further arranged at the front end of the frame, a film lifting edge shovel (3) is arranged below the straw crushing mechanism, a film lifting roller mechanism is arranged at the rear part of the straw crushing mechanism, the film lifting roller mechanism is connected with a power transfer mechanism (4), a straw stubble crushing mechanism, an upper conveying and screening mechanism, a film cleaning and screening mechanism and a round bale packing mechanism are sequentially arranged at the rear part of the film lifting roller mechanism, and a conveying mechanism (5) is connected onto the frame.

Description

Tractor with straw is smashed and incomplete membrane of function is retrieved

Technical Field

The invention relates to a tractor, in particular to a tractor with straw smashing and residual film recycling functions.

Background

The method has the advantages that while grassland animal husbandry is developed, straw resources are vigorously developed, and the development of the animal husbandry in the agricultural area taking straws as main feed is an important way for the development of the animal husbandry in China, has important significance for relieving the grain shortage condition in China, improving soil fertility, reducing environmental pollution and the like, and can generate huge social and economic benefits and ecological benefits. Chinese patent discloses a straw smashing tractor (publication number: CN 107750660A) used on a field, which comprises a tractor, wherein a smashing box is arranged on the tractor, two smashing rollers with gears meshed with each other are arranged inside the smashing box, a smashing rotating shaft is arranged on the smashing box below the smashing rollers, a first motor is arranged on the right side of the smashing rotating shaft, a discharging pipe is arranged on the smashing box below the smashing rotating shaft, a flood dragon is arranged inside the discharging pipe, a second motor is arranged on the left side of the flood dragon, a discharging port is arranged at the lower end of the discharging pipe, a first fixing bracket is fixed on the left side of the smashing box through a fixing column, a cylinder is hinged in the middle of the first fixing bracket through a fixing plate, conveying belts are fixed on two sides of the upper surface of the first fixing bracket through fixing rods, baffle plates distributed in an array manner are arranged on the conveying belts, a first rotating, rake teeth are arranged on the periphery of the rake tooth rotating wheel, a third rotating wheel is arranged in the middle of the rake tooth rotating wheel and connected with a second rotating wheel through a belt, and an inclined plate is arranged on the left side of the second fixed support; crushing knives distributed in an array manner are arranged around the crushing rotating shaft, and the crushing knives are provided with vertical knives and horizontal knives; the flood dragon is provided with blades distributed in a transverse array manner; the crushing roller, the crushing rotating shaft and the crushing box on the upper side of the discharge pipe are all provided with straw guide partition plates; the baffle is set to be in a triangle shape with a large upper part and a small lower part. But the structure of this kind of tractor is comparatively complicated, and is less incomplete to the smashing of straw, smashes efficiency and is lower to can't carry out the plastic film and retrieve, the function is comparatively single, and degree of automation is also lower.

Disclosure of Invention

The invention provides a tractor with straw smashing and residual film recycling functions, and mainly solves the technical problems that in the prior art, the tractor is complex in structure, incomplete in straw smashing, low in smashing efficiency, incapable of recycling mulching films, single in function, low in automation degree and the like.

The technical problem of the invention is mainly solved by the following technical scheme:

the tractor with the functions of straw crushing and residual film recycling comprises a frame, wherein a traction frame is arranged at the front end of the frame, a straw crushing mechanism is further arranged at the front end of the frame, a film lifting edge shovel is arranged below the straw crushing mechanism, a film lifting roller mechanism is arranged at the rear part of the straw crushing mechanism and is connected with a power transfer mechanism, a straw root stubble crushing mechanism, an upward feeding screening mechanism, a film cleaning screening mechanism and a round bale packing mechanism are sequentially arranged at the rear part of the film lifting roller mechanism, and a conveying mechanism is connected onto the frame. The straw smashing mechanism is used for smashing straws, then the residual films are shoveled by the film removing edge, the film removing roller mechanism conveys the residual films to the upper conveying screening mechanism, stubbles of the straws are smashed by the straw stubble smashing mechanism, the upper conveying screening mechanism can separate straw residues from the residual films, and the residual films are conveyed to the round bundle packing mechanism by the film cleaning screening mechanism to be packed. Therefore, the whole system can crush the straws and collect the residual films.

Preferably, the straw crushing mechanism comprises a feeding platform, a rotary five-sickle cutting knife is arranged below the feeding platform, a straw crushing shield is arranged at the upper part of the feeding platform, a first notch is formed in the straw crushing shield, a shield crushing knife is annularly arranged on the inner wall of the straw crushing shield, two ends of the straw crushing shield are connected with a straw crushing end plate, a straw crushing main shaft is connected onto the straw crushing end plate in a penetrating manner, a first bearing is arranged between the straw crushing main shaft and the straw crushing end plate, a first sealing cover is arranged at the inner end of the first bearing, a knife rest is arranged on the straw crushing main shaft, a main shaft crushing knife is arranged on the knife rest, the main shaft crushing knife and the shield crushing knife are arranged at intervals and are provided with gaps, a pair of grinding rollers is arranged at the lower part of the straw crushing shield, obliquely arranged convex edges are arranged on the grinding rollers, a spiral output device is. Utilize straw to smash guard shield and straw to smash the main shaft for the straw is after entering into straw and smashing the guard shield, and the interval sets up and leaves gapped main shaft and smash the sword and can smash the straw simultaneously with the guard shield, because the clearance of two kinds of cutters is less, and kibbling efficiency is higher like this. The first bearing can ensure that the straw crushing main shaft can rotate smoothly. The first sealing cover and the straw crushing end plate can be manufactured into a whole. The straw after smashing through main shaft crushing sword and guard shield crushing sword can be rolled to utilizing two rolls to further smash the straw, and the effect that rolls can be strengthened to the bead that the slant set up. The crushed straws can be conveyed and recovered by the spirally arranged impellers. The size of first breach is the size of quarter straw crushing guard shield at least, and the straw that like this enters into the straw crushing guard shield from the side after, smashes, and the straw that has handled can fall on the grinding roller from the lower part of straw crushing guard shield.

Preferably, the guard crushing cutter comprises a cutter blade body, caulking grooves are formed in two sides of the cutter blade body, a reinforced alloy layer is arranged in the caulking grooves, a cutter groove is formed in the middle of the cutter blade body, and an auxiliary cutter blade capable of entering the cutter groove is formed in the middle of the main shaft crushing cutter. The durability of the vertical knife can be enhanced by utilizing the reinforced alloy layer, and the efficiency of cutting the straw stubbles is higher. And the contact area between the shield crushing knife and the main shaft crushing knife and the straw can be increased through the knife grooves and the auxiliary blades, so that the crushing efficiency is higher.

Preferably, the film lifting roller mechanism comprises a first transmission shaft connected with the power transfer mechanism, the first transmission shaft is connected with a film lifting roller through a mounting flange, shoveling knives are distributed on the circumference of the film lifting roller and arranged in a cyclone shape, the shoveling knives are distributed over the length of the whole film lifting roller, the film lifting roller consists of a wide film lifting roller with a wide width and a narrow film lifting roller with a narrow width, the narrow film lifting rollers are positioned in the middle and at two ends, the wide film lifting roller is positioned between two adjacent narrow film lifting rollers, the wide film lifting roller and the narrow film lifting roller are spliced together through a splicing opening, the shoveling knives consist of a long shoveling knife and a short shoveling knife, the long shoveling knives and the short shoveling knives are arranged at intervals, and the wide film lifting roller, the narrow film raising roller is provided with a convex block, the convex block is provided with a step, the long scraper knife or the short scraper knife is embedded on the step through a connecting piece, a chain wheel is arranged in the power transfer mechanism, the first transmission shaft is connected to the chain wheel, and the chain wheel is connected with a chain. The scraper knife arranged in a cyclone shape can be attached to the ground when the mulching film removing roller operates, and can easily remove the mulching film. Because the scraper knife is fully distributed on the whole film lifting roller, the coverage area is wider, and the film lifting efficiency is higher. The film lifting roller is assembled with the narrow film lifting roller through the wide film lifting roller, and the scraper knife is fixed on the wide film lifting roller or the narrow film lifting roller, so that the assembly is simple. The lug also becomes the whirlwind type and arranges, and the spiller is installed the back on the step, can fix the spiller through cross-under connecting piece promptly the bolt on the lug.

Preferably, the straw stubble crushing mechanism comprises a pair of fixing plates, a stubble crushing main shaft is connected between the two fixing plates in a penetrating mode, a stubble crushing end plate is fixed on the inner side of each fixing plate, a circular protective cover is arranged on each stubble crushing end plate, a second notch is formed in each circular protective cover, vertical cutters are arranged on the outer surface of each stubble crushing main shaft and the inner surface of each circular protective cover, a vertical cutter mounting plate is arranged in each circular protective cover, the vertical cutters are mounted on the vertical cutter mounting plates, a second bearing is arranged between each stubble crushing main shaft and each stubble crushing end plate, and a second sealing cover is arranged at the inner end of each second bearing. The round shield and the stubble crushing main shaft are utilized, so that the vertical knife fixed on the round shield and the rotary vertical knife of the stubble crushing main shaft can crush the stubbles after the stubbles of the straws enter the round shield, and the crushing efficiency is higher. The second bearing can ensure that the stubble crushing main shaft can rotate smoothly. The second cover and the stubble breaking end plate can be made into a whole. The size of the second gap is at least the size of a quarter of the circular shield, so that the stubbles of the straws can fall from the lower part of the circular shield after being crushed after entering the circular shield from the side surface.

Preferably, the vertical cutter comprises a vertical cutter body, vertical cutter caulking grooves are formed in two sides of the vertical cutter body, a vertical cutter reinforcing alloy layer is arranged in each vertical cutter caulking groove, an infrared sensor is arranged on the stubble crushing end plate, an air nozzle is arranged on the upper portion of the circular protective cover and connected with an air pump through an air pipe, and the infrared sensor is connected with the air pump through a numerical control mechanism. The durability of the vertical knife can be enhanced by utilizing the reinforced alloy layer, and the efficiency of cutting the straw stubbles is higher. When the broken straw stubbles are remained on the upper part of the circular protective cover, the infrared sensor can send out signals, and the numerical control mechanism controls the air pump to blow downwards to blow off the remained straw stubbles.

Preferably, the upward feeding and screening mechanism comprises a pair of rib plates, a second transmission shaft and a second driven shaft are connected between the two rib plates respectively, a conveying sieve is connected between the second transmission shaft and the second driven shaft, a film raising head is fixed to the lower portion of each rib plate through a film raising head mounting frame, the front end of the film raising head is a sharp portion, a partition plate strip is arranged below the conveying sieve, and the upper end of the partition plate strip is bent downwards. And turning the residual film after the film shoveling by using a film lifting head, and then conveying the residual film to a collecting mechanism by using a conveying sieve. The conveying sieve is connected with a vibration motor, so that the conveying sieve can convey residual membranes on one side and shake soil off on the other side.

Preferably, the film cleaning and screening mechanism comprises a third transmission shaft arranged on the frame, the third transmission shaft is connected with a third driven shaft through a transmission chain, a film separating screen obliquely arranged upwards is arranged on the transmission chain, and a long partition plate and a short partition plate are arranged in the film separating screen. The membrane separating sieve can convey the residual membrane upwards, can discharge the residual soil, achieves the membrane cleaning effect, and can respectively retain the residual membrane with large area and the residual membrane with small area by using the long partition plate and the short partition plate.

Preferably, the conveying chain is connected with a rotating shaft, the rotating shaft is connected with the film separating sieve, the rotating shaft is connected with a swing rod, the outer end of the swing rod is provided with a contact wheel, a shifting rod is arranged on a frame on the upper portion of the conveying chain, the outer end of the shifting rod is provided with a shifting wheel capable of touching the contact wheel, a fan heater is arranged below the conveying chain, one side of the film separating sieve is provided with a temperature sensor, the temperature sensor is connected with the fan heater through a numerical control mechanism, a film separating chain wheel is connected onto a third transmission shaft, a sawtooth groove is formed in the inner ring of the film separating chain wheel, the third transmission shaft is. The film separating sieve can rotate, and when the film separating sieve reaches the upper side, the shifting wheel of the shifting lever can shift the contact wheel, and the film separating sieve rotates through the oscillating bar, so that residual films are overturned. Residual water on the residual film can be dried by a warm air blower. The temperature sensor can sense the temperature and automatically control whether the fan heater works or not. The connection strength of the whole third transmission shaft and the film-separating chain wheel can be enhanced by utilizing the wear-resistant alloy layer, so that the service life is prolonged. The wear-resistant alloy layer can be made of commercially available wear-resistant alloy.

Preferably, the round bale packing mechanism comprises a pair of conveying rollers arranged at the discharge port of the film cleaning and screening mechanism, a packing roller is arranged behind the conveying rollers, a pressing wheel is arranged on the outer surface of the packing roller, the pressing wheel is connected with a pressing telescopic rod, and the pressing telescopic rod is hinged to the frame. After the residual film is sent to the packing roller through the conveying roller, the residual film can be bundled through winding, and the pressure can be kept when the residual film is wound through the pressing wheel.

Therefore, the straw smashing machine can smash straws completely, has high smashing efficiency, can recycle mulching films, has diversified functions and high automation degree, and is simple and reasonable in structure.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a schematic structural view of the straw crushing mechanism of the present invention;

FIG. 3 is a schematic side view of the structure of FIG. 2;

FIG. 4 is a schematic view of a configuration of a pocket and counter-blade in accordance with the present invention;

FIG. 5 is a schematic structural view of the film raising roller mechanism of the present invention;

FIG. 6 is a schematic side view of the structure of FIG. 5;

FIG. 7 is a schematic structural view of the straw stubble breaking mechanism of the present invention;

FIG. 8 is a schematic side view of the structure of FIG. 7;

FIG. 9 is a schematic view of a construction of the vertical cutter of the present invention;

FIG. 10 is a schematic view of the construction of the feed sifting mechanism of the present invention;

FIG. 11 is a schematic side view of FIG. 10;

FIG. 12 is a schematic structural view of the film cleaning and screening mechanism of the present invention;

FIG. 13 is a schematic side view of the structure of FIG. 12;

FIG. 14 is a schematic structural view of a rocker and a contact wheel according to the present invention;

fig. 15 is a schematic structural view of a wear-resistant alloy layer according to the present invention.

Parts, positions and numbers in the drawings: the device comprises a frame 1, a traction frame 2, a film lifting edge shovel 3, a power transfer mechanism 4, a conveying mechanism 5, a feeding platform 6, a straw crushing shield 7, a first notch 8, a shield crushing knife 9, a straw crushing end plate 10, a straw crushing main shaft 1, a first bearing 12 of the 1, a first seal cover 13, a knife rest 14, a main shaft crushing knife 15, a grinding roller 16, a convex edge 17, a spiral output device 18, an impeller 19, a first transmission shaft 20, a wide film lifting roller 21, a narrow film lifting roller 22, an assembling opening 23, a long shovel knife 24, a short shovel knife 25, a convex block 26, a step 27, a chain wheel 28, a chain 29, a fixing plate 30, a root stubble crushing main shaft 31, a root stubble crushing end plate 32, a circular shield 33, a second notch 34, a vertical knife 35, a vertical knife mounting plate 36, a second bearing 37, a second seal cover 38, a rib plate 39, a second transmission shaft 40, a second driven shaft 41, a conveying sieve 42, a film lifting head mounting rack 43, a, The film separating device comprises a partition plate strip 45, a third transmission shaft 46, a transmission chain 47, a three driven shaft 48, a film separating screen 49, a long partition plate 50, a short partition plate 51, a transmission roller 52, a packing roller 53, a pressing wheel 54, a pressing telescopic rod 55, a blade body 56, a caulking groove 57, a reinforced alloy layer 58, a knife groove 59, an auxiliary blade 60, a vertical knife body 61, a vertical knife caulking groove 62, a vertical knife reinforced alloy layer 63, an infrared sensor 64, an air jet 65, an air pipe 66, an air pump 67, a rotating shaft 68, a swing rod 69, a contact wheel 70, a shifting lever 71, a shifting wheel 72, a warm air blower 73, a temperature sensor 74, a film separating chain wheel 75, a sawtooth groove 76, a wear-resistant alloy layer 77, a mounting.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): the tractor with the functions of straw crushing and residual film recycling comprises a frame 1, a traction frame 2 is arranged at the front end of the frame, a straw crushing mechanism is further arranged at the front end of the frame, a film lifting edge shovel 3 is arranged below the straw crushing mechanism, a film lifting roller mechanism is arranged at the rear portion of the straw crushing mechanism and is connected with a power transfer mechanism 4, a straw root stubble crushing mechanism, an upper conveying screening mechanism, a film cleaning screening mechanism and a round bale packing mechanism are sequentially arranged at the rear portion of the film lifting roller mechanism, and a conveying mechanism 5 is connected to the frame.

The straw crushing mechanism is shown in figures 2 and 3 and comprises a feeding platform 6, a rotary five-sickle cutting knife 79 is arranged below the feeding platform, a straw crushing shield 7 is arranged at the upper part of the feeding platform, a first notch 8 is arranged on the straw crushing shield, a shield crushing knife 9 is annularly arranged on the inner wall of the straw crushing shield, two ends of the straw crushing shield are connected with straw crushing end plates 10, a straw crushing main shaft 11 is connected on each straw crushing end plate in a penetrating manner, a first bearing 12 is arranged between each straw crushing main shaft and each straw crushing end plate, a first sealing cover 13 is arranged at the inner end of each first bearing, a knife rest 14 is arranged on each straw crushing main shaft, a main shaft crushing knife 15 is arranged on each knife rest, a pair of grinding rollers 16 are arranged at the lower part of the straw crushing shield, obliquely arranged convex edges 17 are arranged on each grinding roller, and a spiral output device 18 is arranged below each grinding roller, the spiral output device is internally provided with a spiral impeller 19. As shown in fig. 4, the guard crushing cutter includes a cutter body 56, caulking grooves 57 are formed on both sides of the cutter body, a reinforcing alloy layer 58 is provided in the caulking grooves, a cutter groove 59 is formed in the middle of the cutter body, and an auxiliary cutter 60 capable of entering the cutter groove is formed in the middle of the main shaft crushing cutter 15.

The film lifting roller mechanism comprises a first transmission shaft 20 connected with a power transfer mechanism 4, the first transmission shaft is connected with a film lifting roller through a mounting flange 78, the circumference of the film lifting roller is distributed with shoveling knives which are arranged in a cyclone shape, the shoveling knives are distributed over the length of the whole film lifting roller, the film lifting roller consists of a wide film lifting roller 21 with a wide width and narrow film lifting rollers 22 with a narrow width, the narrow film lifting rollers are positioned in the middle and at two ends, the wide film lifting roller is positioned between two adjacent narrow film lifting rollers, the wide film lifting roller and the narrow film lifting rollers are spliced together through a splicing opening 23, the shoveling knives consist of a long shoveling knife 24 and a short shoveling knife 25, the long shoveling knives and the short shoveling knives are arranged at intervals, the wide film lifting roller and the narrow film lifting roller are provided with convex blocks 26, the convex blocks are provided with steps 27, the long shoveling knives or the short shoveling knives are embedded on the steps through connecting pieces, a chain wheel 28 is arranged in the power transfer mechanism 4, a chain 29 is connected to the sprocket.

The straw stubble crushing mechanism is shown in fig. 7 and 8 and comprises a pair of fixing plates 30, a stubble crushing main shaft 31 is connected between the two fixing plates in a penetrating mode, a stubble crushing end plate 32 is fixed on the inner side of each fixing plate, a circular protective cover 33 is arranged on each stubble crushing end plate, a second notch 34 is arranged on each circular protective cover, a vertical cutter 35 is arranged on the outer surface of each stubble crushing main shaft and the inner surface of each circular protective cover, a vertical cutter mounting plate 36 is arranged in each circular protective cover, each vertical cutter is mounted on each vertical cutter mounting plate, a second bearing 37 is arranged between each stubble crushing main shaft and each stubble crushing end plate, and a second sealing cover 38 is arranged at the inner end of each second. As shown in fig. 9, the vertical knife 35 includes a vertical knife body 61, vertical knife caulking grooves 62 are provided on both sides of the vertical knife body, a vertical knife reinforcing alloy layer 63 is provided in the vertical knife caulking grooves, an infrared sensor 64 is provided on the stubble breaking end plate 32, an air jet 65 is provided on the upper portion of the circular guard 33, the air jet is connected to an air pump 67 through an air pipe 66, and the infrared sensor is connected to the air pump through a numerical control mechanism.

Go up and send screening mechanism as fig. 10, 11, including a pair of floor 39, be connected with second transmission shaft 40 and second driven shaft 41 between two floors respectively, be connected with between second transmission shaft and the second driven shaft and carry sieve 42, the lower part of floor is fixed with film-forming head 44 through film-forming head mounting bracket 43, and film-forming head front end is sharp portion, carries the below of sieve to be equipped with partition plate strip 45, and the downward bending in partition plate strip upper end.

The film cleaning and screening mechanism is shown in fig. 12 and 13 and comprises a third transmission shaft 46 arranged on the frame 1, the third transmission shaft is connected with a third driven shaft 48 through a transmission chain 47, a film separating screen 49 obliquely arranged upwards is arranged on the transmission chain, and a long partition plate 50 and a short partition plate 51 are arranged in the film separating screen. As shown in fig. 14, a rotating shaft 68 is connected to the conveying chain 47, the rotating shaft is connected to the film separating screen 49, the rotating shaft is connected to a swing rod 69, a contact wheel 70 is arranged at the outer end of the swing rod, a shift lever 71 is arranged on the frame 1 at the upper portion of the conveying chain, a shift wheel 72 capable of touching the contact wheel is arranged at the outer end of the shift lever, a warm air blower 73 is arranged below the conveying chain, a temperature sensor 74 is arranged on one side of the film separating screen 49, the temperature sensor is connected to the warm air blower through a numerical control mechanism, a film separating chain wheel 75 is connected to the third transmission shaft 46, as shown in fig. 15, a sawtooth groove 76 is formed in the inner ring of the.

The round bale packing mechanism comprises a pair of conveying rollers 52 arranged at the discharge port of the film cleaning screening mechanism, a packing roller 53 is arranged behind the conveying rollers, a pressing wheel 54 is arranged on the outer surface of the packing roller, the pressing wheel is connected with a pressing telescopic rod 55, and the pressing telescopic rod is hinged on the frame 1.

When the straw crushing device is used, straws are cut by the rotary five-sickle cutting knife 79 and conveyed to the straw crushing shield 7 from the feeding platform 6, the straw is cut and crushed by the shield crushing knife 9 and the main shaft crushing knife 15 after entering the straw crushing shield 7 from the horizontal direction, crushed residues fall from the lower part of the shield, the grinding roller 16 rolls and crushes the residues, and the crushed materials are conveyed out by the spiral output device 18; the chain 29 drives the chain wheel 28 to rotate, the first transmission shaft 20 drives the wide film lifting roller 21 and the narrow film lifting roller 22 to rotate, and therefore the long scraper knife 24 and the short scraper knife 25 rotate to lift residual films on the ground; after the straw stubbles enter the circular protective cover 33 from the horizontal direction, the vertical knife 35 of the stubble crushing main shaft 31 and the vertical knife fixed by the circular protective cover 33 cut and crush the straw stubbles, and crushed residues fall from the lower part of the circular protective cover 33; the film lifting head 44 conveys the residual film to the conveying sieve 42, and the conveying sieve conveys the residual film to the film cleaning and screening mechanism; after the residual film enters the film separating sieve 49, the conveying chain 47 moves upwards, and soil on the residual film falls; the residual film is finally taken up and collected by a packing roller 53.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

Claims

1. A tractor with straw smashing and residual film recycling functions comprises a frame (1) and is characterized in that a traction frame (2) is arranged at the front end of the frame (1), a straw smashing mechanism is further arranged at the front end of the frame, a film lifting edge shovel (3) is arranged below the straw smashing mechanism, a film lifting roller mechanism is arranged at the rear portion of the straw smashing mechanism and connected with a power transfer mechanism (4), a straw root stubble smashing mechanism, an upper conveying and screening mechanism, a film cleaning and screening mechanism and a round bundle packaging mechanism are sequentially arranged at the rear portion of the film lifting roller mechanism, and a conveying mechanism (5) is connected to the frame; the straw smashing mechanism comprises a feeding platform (6), a rotary five-sickle cutting knife (79) is arranged below the feeding platform, a straw smashing shield (7) is arranged at the upper part of the feeding platform, a first notch (8) is arranged on the straw smashing shield, a shield smashing knife (9) is annularly arranged on the inner wall of the straw smashing shield, the shield smashing knife (9) comprises a blade body (56), caulking grooves (57) are arranged on two sides of the blade body, a reinforced alloy layer (58) is arranged in the caulking grooves, a knife groove (59) is arranged in the middle of the blade body, an auxiliary blade (60) capable of entering the knife groove is arranged in the middle of a main shaft smashing knife (15), straw smashing end plates (10) are connected to two ends of the straw smashing shield, a straw smashing main shaft (11) is connected to the straw smashing end plates in a penetrating manner, and a first bearing (12) is, a first sealing cover (13) is arranged at the inner end of the first bearing, a cutter frame (14) is arranged on the straw crushing main shaft, a main shaft crushing cutter (15) is arranged on the cutter frame, the main shaft crushing cutter and the shield crushing cutter are arranged at intervals and have a gap, a pair of grinding rollers (16) are arranged at the lower part of the straw crushing shield, ribs (17) which are obliquely arranged are arranged on the grinding rollers, a spiral output device (18) is arranged below the grinding rollers, and an impeller (19) which is spirally arranged is arranged in the spiral output device; the film lifting roller mechanism comprises a first transmission shaft (20) connected with a power transfer mechanism (4), the first transmission shaft is connected with a film lifting roller through a mounting flange (78), the circumference of the film lifting roller is distributed with shoveling knives which are arranged in a cyclone shape, the shoveling knives are fully distributed over the length of the whole film lifting roller, the film lifting roller consists of a wide film lifting roller (21) with a wide width and narrow film lifting rollers (22) with a narrow width, the narrow film lifting rollers are positioned in the middle and at two ends, the wide film lifting roller is positioned between two adjacent narrow film lifting rollers, the wide film lifting roller and the narrow film lifting rollers are spliced together through a splicing opening (23), the shoveling knives consist of long shoveling knives (24) and short shoveling knives (25), the long shoveling knives and the short shoveling knives are arranged at intervals, the wide film lifting roller and the narrow film lifting rollers are provided with lugs (26), the lugs (27) are arranged on the lugs, the long shoveling knives or the short shoveling knives are arranged on the steps through connecting pieces, and a chain wheel (28) is arranged in the power transfer, the first transmission shaft is connected to a chain wheel, and the chain wheel is connected with a chain (29); the upper feeding and screening mechanism comprises a pair of rib plates (39), a second transmission shaft (40) and a second driven shaft (41) are respectively connected between the two rib plates, a conveying sieve (42) is connected between the second transmission shaft and the second driven shaft, film raising heads (44) are fixed on the lower portions of the rib plates through film raising head mounting frames (43), the front ends of the film raising heads are tip portions, partition plate strips (45) are arranged below the conveying sieve, and the upper ends of the partition plate strips are bent downwards; the film cleaning and screening mechanism comprises a third transmission shaft (46) arranged on a frame (1), the third transmission shaft is connected with a third driven shaft (48) through a transmission chain (47), a film separating sieve (49) which is obliquely arranged upwards is arranged on the transmission chain, a long partition plate (50) and a short partition plate (51) are arranged in the film separating sieve, the transmission chain (47) is connected with a rotating shaft (68), the rotating shaft is connected with the film separating sieve (49), the rotating shaft is connected with a swing rod (69), the outer end of the swing rod is provided with a contact wheel (70), a shifting lever (71) is arranged on the frame (1) on the upper portion of the transmission chain, the outer end of the shifting lever is provided with a shifting wheel (72) which can touch the contact wheel, a fan heater (73) is arranged below the transmission chain, one side of the film separating sieve (49) is provided with a temperature sensor (74), the, the inner ring of the film separating chain wheel is provided with a sawtooth groove (76), the third transmission shaft is embedded in the sawtooth groove, and the root part of the sawtooth groove is provided with a wear-resistant alloy layer (77).

2. The tractor with the functions of straw crushing and residual film recycling as claimed in claim 1, wherein the straw stubble crushing mechanism comprises a pair of fixing plates (30), a stubble crushing main shaft (31) penetrates between the two fixing plates, a stubble crushing end plate (32) is fixed on the inner side of each fixing plate, a circular protective cover (33) is arranged on each stubble crushing end plate, a second notch (34) is arranged on each circular protective cover, a vertical knife (35) is arranged on the outer surface of each stubble crushing main shaft and the inner surface of each circular protective cover, a vertical knife mounting plate (36) is arranged in each circular protective cover, the vertical knives are mounted on the vertical knife mounting plates, a second bearing (37) is arranged between each stubble crushing main shaft and each stubble crushing end plate, and a second sealing cover (38) is arranged at the inner end of each second bearing.

3. The tractor with the functions of straw smashing and residual film recycling according to claim 2 is characterized in that the vertical cutter (35) comprises a vertical cutter body (61), vertical cutter embedding grooves (62) are formed in two sides of the vertical cutter body, a vertical cutter reinforcing alloy layer (63) is arranged in each vertical cutter embedding groove, an infrared sensor (64) is arranged on a stubble crushing end plate (32), an air jet opening (65) is formed in the upper portion of the circular protective cover (33) and is connected with an air pump (67) through an air pipe (66), and the infrared sensor is connected with the air pump through a numerical control mechanism.

4. The tractor with the functions of straw crushing and residual film recycling as claimed in claim 1, 2 or 3, characterized in that the round bale packing mechanism comprises a pair of conveying rollers (52) arranged at the discharge port of the film cleaning and screening mechanism, a packing roller (53) is arranged behind the conveying rollers, a pressing wheel (54) is arranged on the outer surface of the packing roller, the pressing wheel is connected with a pressing telescopic rod (55), and the pressing telescopic rod is hinged on the frame (1).