CN213603107U - Self-propelled straw carbonization returning machine - Google Patents

Abstract

The utility model provides a self-propelled straw carbonization field returning machine, its characterized in that self-propelled straw carbonization field returning machine includes: the header assembly (1) (reaping straw) is arranged at the forefront of the machine and is connected with the conveying trough assembly (2), the conveying trough assembly (2) is connected with a rear crusher, the stubble cleaner assembly (6) is arranged between the front wheel assembly (9) and the rear wheel assembly (10) and below the frame assembly (8), the cab assembly (3) is arranged behind the header assembly, above the frame assembly and in front of the engine assembly (5), the engine assembly is arranged above the frame assembly and behind the cab assembly, the hydraulic pump assembly (24) is arranged above the frame assembly and behind the engine assembly, the right-angle box assembly (25) is arranged on the frame assembly and between the engine assembly and the hydraulic pump assembly, the central transmission shaft assembly (29) is arranged behind the engine and above the frame assembly.

Description

Self-propelled straw carbonization returning machine

Technical Field

The utility model relates to a still field of straw carbonization especially relates to a self-propelled straw carbonization still field machine.

Background

At present, the straw returning is a straw treatment mode advocated by the country, and besides can the environmental protection, the straw returning can also increase nutrients and microorganism quantity in the soil, and the correct straw returning is meaningful positively, but if the returning mode is not properly treated, some drawbacks can be caused: firstly, when the crops grow, the plant diseases and insect pests are aggravated, the growth of the crops is influenced, and the investment cost is increased; secondly, the soil is loose, the soil gap is large, and favorable conditions are lacked for seed development; thirdly, the seedlings lack nitrogen elements, and the phenomena of yellow seedlings and weak seedlings appear in the growing period. So far, self-propelled straw carbonization still field machine has not been carried out on the market, the mode of most territories processing straw adopts the straw to reap the rubbing crusher and spray to the plot surface after smashing the straw, the plot after the straw is returned to the field, especially the plot that the quality is not good is smashed to the straw, soil becomes loose, the inside space grow of soil, if the suppression measure can not follow up, soil loses moisture soon, influence wheat and sprout, lead to the untidy of emerging, some wheat fall on maize straw and hardly sprout, cause the emergence of lacking the seedling broken ridge phenomenon.

A small number of regions adopt the straw carbonization device to change the straw into organic fertilizer through the device, and this mode can change the straw into organic fertilizer, nevertheless accomplishes this process and need at first bundle the processing through the bundling machine to the straw in the field, secondly carry through the vehicle transport to the straw carbonization device and carry out straw carbonization processing, should handle that the straw mode form is loaded down with trivial details, can not realize integral type mechanized processing, and take a lot of work and time, influence the cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-propelled straw carbonization still field machine, this straw carbonization still field machine of its characterized in that can once accomplish reaping, carrying, smashing, carbonization, returning, the stubble-cleaning operation of straw, can carry out carbonization still field processing to the straw effectively, reduce the manual work intensity in later stage, save cost of labor and treatment cost, improvement soil, increase soil fertility, improve agricultural product output and quality, make the straw carbonization still field realize integral type mechanized processing.

The self-propelled straw carbonization returning machine comprises a header assembly, a conveying groove assembly, a crusher assembly, a carbonizer assembly, a stubble cleaner assembly, a front wheel assembly, a cab assembly, an engine assembly, a rear wheel assembly, a rack assembly, a cutter rest assembly, a crushing cutter assembly, a hinge shaft, a front oil cylinder, a hydraulic pump assembly, a right-angle box assembly and a central transmission shaft assembly;

the cutting knife rest assembly is used for cutting off the straws and conveying the straws to the pulverizer assembly through the conveying groove assembly;

the pulverizer assembly is used for carrying out segmentation crushing to the straw, and the straw after segmentation crushing is carried to the carbonator assembly through receiving a material section of thick bamboo.

In the scheme, the self-propelled straw carbonization returning machine can finish the operations of harvesting, conveying, crushing, carbonizing, returning and stubble cleaning of the straws at one time. The straw is cut off in the header assembly, and transport to the conveyer trough assembly, carry the straw to the grinder assembly through the conveyer trough assembly, the grinder assembly carries out segmentation shredding and the straw after segmentation shredding to the straw of carrying gets into and connects the storage bucket, the straw is carried to the carbonizer assembly through connecing the storage bucket, carry out carbonization treatment and discharge through a material lid through the carbonizer assembly to the straw, material lid form is porous and the other connection of material lid is equipped with ejection of compact cutter, carry out segmentation cutting to the straw after the carbonization and handle, accomplish the segmentation work after the straw carbonization.

Optionally, in one possible implementation, the header assembly is connected to the trough assembly by a hinge shaft.

Optionally, in one possible implementation, the cutting carriage assembly is mounted on the header, and the straw is harvested on the header and conveyed to the trough assembly.

An oil cylinder is arranged below the header assembly and can enable the header to float up and down.

Optionally, in a possible implementation manner, the conveying trough assembly is arranged in front of the rack assembly and at the right side of the cab, the front end of the conveying trough assembly is connected with the header assembly through a hinge shaft, and the rear end of the conveying trough assembly is connected with the pulverizer assembly;

optionally, in a possible implementation manner, the conveying trough assembly comprises a feeding roller, a material stirring roller and a material conveying roller;

the feeding roller, the material stirring roller and the material conveying roller are arranged in the conveying groove assembly in an obliquely upward structural mode, and two ends of the rollers are fixed through bearing seats.

Optionally, in a possible implementation manner, the power output of the conveying trough assembly is that the engine assembly drives a central transmission shaft assembly, the central transmission shaft assembly drives a power output end of the pulverizer assembly through belt pulley transmission, and the power output end of the pulverizer assembly transmits power to the header assembly through a plurality of groups of chain connection transmission.

Optionally, in one possible implementation, the shredder assembly is bolted behind the trough assembly and above the frame assembly;

optionally, in a possible implementation manner, the carbonizer assembly comprises a material receiving barrel, a feeding propeller, a material carbonizer, a material discharging cover, a bearing cover, a bracket, a hydraulic motor a, a hydraulic motor B and a material discharging cutter;

the material receiving barrel is arranged above the carbonizing machine assembly;

optionally, in a possible implementation mode, the carbonizer assembly is fixed above the rearmost end of the frame assembly through bolts, and the upper opening of the charging barrel in the carbonizer assembly is aligned with the discharge opening of the upper pulverizer assembly;

alternatively, in one possible implementation, the feed pusher is located below the take-up barrel, with power being transmitted by the hydraulic motor a.

The bearing covers are arranged on the left side and the right side of the feeding propeller;

the feeding propeller is structurally a spiral iron plate welding through shaft, so that materials are pushed forwards and conveyed to the material carbonizer;

optionally, in one possible implementation, the material carbonizer is arranged behind and below the feeding propeller and transmits power through the engine belt pulley;

the material carbonizer is structurally a spiral through shaft, so that materials roll forwards and are extruded, heated and coked to realize carbonization.

A discharging cover is arranged behind the material carbonizer, and the discharging cover is of a porous structure;

optionally, in a possible implementation manner, the discharging cutter is arranged behind the carbonizing machine assembly and used for cutting off the straws discharged through the discharging cover after carbonization;

the discharging cutter transmits power through a hydraulic motor B.

Optionally, in a possible implementation manner, a bracket is arranged below the carbonizing machine assembly, and the bracket is welded on the machine body.

Optionally, in a possible implementation manner, the stubble cleaner assembly is hinged with the frame in the middle of the frame, the middle of the stubble cleaner assembly is connected with the frame through an oil cylinder, and the stubble cleaner can be adjusted up and down by stretching and contracting the oil cylinder;

optionally, in one possible implementation, the stubble cleaner assembly comprises a stubble blade assembly, a roller assembly, a transmission system;

the stubble cleaner is arranged below the middle part of the whole machine, and the power source is power transmitted by a chain at the front end of the engine;

optionally, in a possible implementation manner, the middle part of the stubble cleaner assembly and the bottom of the whole machine frame are connected with an oil cylinder;

optionally, in a possible implementation manner, the front wheel assembly is connected with the rear wheel assembly through a frame assembly, the front wheel in the machine is a driving wheel, the rear wheel is a steering wheel, the front wheel assembly and the rear wheel assembly are respectively fixed on the frame through bolts, the cab assembly is installed in front of the frame assembly and on the left side above the front wheel assembly and is fixed on the frame through bolts;

optionally, in one possible implementation, the engine assembly is bolted above the frame assembly, behind the front wheel assembly;

optionally, in one possible implementation, the hydraulic pump assembly is mounted above the frame and below the carbonizer;

optionally, in one possible implementation, the right angle case assembly is bolted to the rear of the engine assembly, above the frame assembly;

optionally, in one possible implementation, the central transmission shaft assembly is installed in the middle of the rack assembly, and is fixed by bolts above the right-angle box assembly;

optionally, in one possible implementation, the power transmission system of the self-propelled straw carbonization and returning machine comprises an engine assembly, a front wheel assembly, a central transmission shaft assembly and a right-angle box assembly;

the engine assembly is arranged in the middle of the machine body, is of a fixed structure and is used for providing a driving system for the walking and the work of the self-propelled straw carbonization returning machine;

optionally, in one possible implementation, the front wheel assembly is bolted to the front end of the frame;

optionally, in one possible implementation, the right angle box assembly is disposed behind the engine assembly;

optionally, in one possible implementation, the central drive shaft assembly is disposed above the right angle box assembly;

optionally, in a possible implementation manner, the traveling frame is assembled and connected with a cab assembly through a supporting frame, and the cab assembly is assembled and provided with a control system for controlling the power system, the hydraulic system and each execution working component.

Drawings

For a clearer explanation of the technical solutions of the embodiments of the present invention, the following brief descriptions of the drawings needed to be used in the embodiments will be given, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a self-propelled straw carbonization and returning machine in an embodiment of the present invention;

FIG. 2 is a side view of the self-propelled straw carbonization and returning machine in the embodiment of the present invention;

FIG. 3 is a top view of the self-propelled straw carbonization and returning machine in the embodiment of the present invention;

fig. 4 is a front view of the carbonizer assembly 7 of the present invention;

fig. 5 is a view of the discharge cover of the present invention.

The part name corresponding to the number: 1-a header assembly, 2-a conveying groove assembly, 3-a cab assembly, 4-a grinder assembly, 5-an engine assembly, 6-a stubble cleaner assembly, 7-a carbonizer assembly, 8-a frame assembly, 9-a front wheel assembly, 10-a rear wheel assembly, 11-a material receiving barrel, 12-a feeding propeller, 13-a material carbonizer, 14-a material discharging cover and 15-a bearing cover, 16-bracket, 17-cutting knife rest assembly, 18-feeding roller, 19-material stirring roller, 20-material conveying roller, 21-crushing knife, 22-articulated shaft, 23-front oil cylinder, 24-hydraulic pump assembly, 25-right-angle box assembly, 26-hydraulic motor A, 27-hydraulic motor B, 28-discharging cutter and 29-central transmission shaft assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The technical solution of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a specific structure of the self-propelled straw carbonization and returning machine in this embodiment.

Self-propelled straw carbonization returning field mainly includes: firstly, a power part; II, harvesting the straws: thirdly, crushing the straws; fourthly, a carbonization returning part; fifthly, a stubble cleaning and field returning part;

the first power part mainly comprises: the front wheel assembly 9, the engine assembly 5, the frame assembly 8 and the rear wheel assembly 10, wherein the front wheel assembly 9 is fixedly connected to the front end of the frame assembly 8 through bolts; the rear wheel assembly 10 is connected to the rear part of the frame assembly 8 and is fixed by bolts and nuts; the engine assembly 5 is transversely arranged in the middle of the frame assembly 8 from front to left, back to right and is fixed by bolts;

the engine assembly 5 transmits power to the gear box assembly in the front wheel assembly 9 and the stubble cleaner assembly 6 below through the belt pulley arranged at the rear of the engine assembly 5, the power is respectively transmitted to the central transmission shaft assembly 29 through the belt pulley arranged at the rear of the engine assembly 5, then the power is respectively transmitted to the triangular belt pulley on the crusher assembly 4 and the gear on the right-angle box assembly 25 through the central transmission shaft assembly 29 and the triangular belt pulley and the gear, the power drives the front wheel through the gear box in the front wheel assembly 9 to drive the whole machine to travel, and after the power is transmitted to the stubble cleaner assembly 6, the stubble cleaner is driven to rotate at a high speed to crush the straw stubbles and return the straw stubbles to the field.

After power is transmitted to the pulverizer assembly 4, the pulverizing cutter is driven to rotate at a high speed, straws conveyed by the conveying groove assembly 2 are cut into small sections of about one centimeter, then the small sections are thrown into the material receiving cylinder 11 in the carbonizer assembly 7, after the power is transmitted into the right-angle box assembly 25, the right-angle box assembly 25 is a bevel gear gearbox, the transmission direction of the force is changed, the output end of the right-angle box assembly 25 is provided with a triangular belt wheel which is connected with a triangular belt wheel of the material carbonizer 13 in the carbonizer assembly 7, the power is transmitted to drive the spiral propeller to pulverize, extrude, stir and carbonize the materials, a coupler is arranged on the end face of the power output triangular belt wheel of the right-angle box and is connected with the hydraulic pump 24 through a universal joint transmission shaft, and power is input to a hydraulic system of the whole vehicle.

Referring to fig. 2, fig. 2 is a concrete structure of a straw harvesting portion of the self-propelled straw carbonization and returning machine in the embodiment.

Secondly, the straw harvesting part mainly comprises: the cutting table assembly comprises a cutting table assembly 1, a hinge shaft 22, a front oil cylinder 23, a conveying groove assembly 2, a cutting knife rest assembly 17, a feeding roller 18, a material stirring roller 19 and a material conveying roller 20, wherein the cutting table assembly 1 and the conveying groove assembly 2 are hinged and connected through the hinge shaft 22, the tail end of the front oil cylinder 23 is connected with the front part of a rack assembly 8, and the front end of the oil cylinder is supported at the rear part of the cutting table and used for adjusting the cutting table to float up and down;

the conveying trough assembly 2 is obliquely arranged at the upper part of the frame assembly and at the right side of the cab and is firmly fixed by bolts; the power source of the whole harvesting part is that power is transmitted through a rear output shaft of the engine assembly 5, a triangular belt pulley is arranged on a shaft, the power is transmitted to a central transmission shaft assembly 29 through the triangular belt pulley, and the triangular belt pulley on the central transmission shaft drives a triangular belt pulley on a pulverizer assembly, so that the whole conveying groove and the cutting table are driven to rotate.

The straw is conveyed to a material conveying roller 20 by a material conveying roller 18 and a material stirring roller 19 on the header, the straw in the conveying groove 2 is conveyed to the pulverizer assembly 4 through the material conveying roller 20, is cut into fragments of about one centimeter through a pulverizing knife 21, and then is thrown into a material receiving cylinder 11 in the carbonizer assembly 7;

referring to fig. 3, fig. 3 is a specific structure of the carbonizer assembly of the self-propelled straw carbonization returning machine in this embodiment.

The straw fragments enter a feeding propeller 12 through a material receiving barrel 11, the crushed straws are pushed to a material carbonizer 13 through the pushing of the feeding propeller 12, the crushed straws entering the material carbonizer 13 are fully mixed, extruded, heated, glued and coked through the friction between a screw and a machine chamber in the material carbonizer 13, and finally extruded out of a carbonizer assembly 7 through a material discharging cover 14, and the crushed straws are cut by a material discharging cutter 28 to form small carbon blocks to be scattered on the ground.

Thirdly, the straw crushing part mainly comprises: the straw crushing device comprises a crusher assembly 4 and a crushing cutter assembly 21, wherein the crusher assembly 4 is mounted at the uppermost part of the frame, the tail end of the conveying groove assembly 2 is fixed by bolts, the crushing cutter assembly 21 is one part of the crusher assembly 4, a triangular belt wheel on the crushing cutter assembly 21 is connected with a triangular belt wheel on a central transmission shaft assembly 29, transmission power drives the crushing cutter assembly 21 to rotate at a high speed, the straw is cut into small fragments of about one centimeter, and the crushed straw falls into the material receiving cylinder 11 and enters a carbonization field returning part.

The carbonization returning part mainly comprises: the straw crushing device comprises a carbonizing machine assembly 7, a material receiving barrel 11, a feeding propeller 12, a material carbonizer 13, a material discharging cover 14, a bearing cover 15, a support 16, a hydraulic motor A26, a hydraulic motor B27 and a material discharging cutter 28, wherein the carbonizing machine assembly 7 is arranged at the rear part of a rack and is fixed by bolts and nuts, the interface of the material receiving barrel 11 is aligned to the material discharging port of a crusher assembly 4, crushed straws enter the feeding propeller 12 through the material receiving barrel 11 and are pushed into the material carbonizer 13 through the screw of the feeding propeller;

the hydraulic motor A26 provides power for the feeding propeller, and the hydraulic motor B27 provides power for the discharging cutter 28.

The carbonization returning part is characterized in that crushed straws are conveyed to a material receiving barrel 11 through a crusher assembly 4, enter a feeding propeller 12, are propelled through the feeding propeller 12, and are then conveyed into a material carbonizer 13, the materials are fully mixed, extruded, heated, glued and coked along with the friction between a screw and a machine chamber in the carbonizer, so that all structures of the straws are damaged, meanwhile, mechanical energy is converted into heat energy through the friction effect of the materials in a chamber, so that the materials are in a coking state with flowing property, the pressure is instantly changed from high pressure to normal pressure when the materials are extruded to an outlet, the high temperature is instantly changed to normal temperature, so that moisture is rapidly evaporated from the tissue structure, and then the materials are cut, cooled, namely carbonized and molded through a discharging cutter 28 and finally scattered on the ground.

The stubble ploughing and field returning part mainly comprises: the stubble cleaner assembly 6 mainly comprises a stubble cleaner assembly, a roller assembly, a transmission system and the like, the stubble cleaner assembly 6 mainly has the task of smashing the roots of crops by using stubble cleaner blades rotating at a high speed, the depth of the stubble cleaner blades is about 10 cm, smashed straw roots are pressed into soil by a rolling roller at the back to accelerate the straw rotting, and the power source of the stubble cleaner assembly 6 is that a chain wheel at the front end of an engine assembly 5 is connected through a chain to provide power for the stubble cleaner assembly 6.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. Self-propelled straw carbonization field returning machine which characterized in that: self-propelled straw carbonization still field machine includes: the device comprises a header assembly (1), a conveying groove assembly (2), a pulverizer assembly (4), a carbonizer assembly (7), a stubble cleaner assembly (6), a front wheel assembly (9), a cab assembly (3), an engine assembly (5), a rear wheel assembly (10), a rack assembly (8), a cutter frame assembly (17), a hinge shaft (22), a front oil cylinder (23), a hydraulic pump assembly (24), a right-angle box assembly (25) and a central transmission shaft assembly (29); the header assembly (1) is arranged at the foremost part of the harvester and is connected with the conveying trough assembly (2), the harvested straws are conveyed to the pulverizer assembly (4) to be pulverized, the pulverized straws directly enter the carbonizer assembly (7) to be carbonized, and the processed small crushed carbon blocks are scattered into a field; the stubble cleaner assembly (6) is arranged between a front wheel assembly (9) and a rear wheel assembly (10), the lower part of a frame assembly (8) is used, the power of the stubble cleaner is derived from the front output of an engine and is transmitted to the stubble cleaner through a chain and a chain wheel, the stubble cleaner is used for cleaning and preparing stubble, the cab assembly (3) is arranged at the rear part of the header assembly, the upper part of the frame assembly and the front part of the engine assembly (5), the cutting knife rest assembly (17) and a hinge shaft (22) are parts arranged in the header assembly, the front oil cylinder (23) is used for adjusting the lifting of the header assembly, the hydraulic pump assembly (24) is arranged on the upper part of the frame assembly, the rear part of the engine assembly is used for providing power for a hydraulic system of the whole vehicle, the right-angle box assembly (25) is arranged on the upper part of the frame assembly and between the engine assembly and the hydraulic pump assembly, the central transmission shaft assembly (29) is arranged behind the engine and above the frame assembly, transmits the power of the engine through a belt pulley and respectively transmits the power to the conveying trough assembly and the right-angle box assembly through the central transmission shaft.

2. The self-propelled straw carbonization and returning machine as claimed in claim 1, characterized in that: the header assembly (1) is connected with the conveying groove assembly (2) through a hinge shaft (22); an oil cylinder is arranged behind the header assembly (1);

the oil cylinder can enable the header to float up and down;

the cutting knife rest assembly (17) is arranged on the cutting table.

3. The self-propelled straw carbonization and returning machine as claimed in claim 2, characterized in that: the conveying trough assembly (2) comprises a feeding roller (18), a material stirring roller (19) and a material conveying roller (20); the feeding roller (18), the material stirring roller (19) and the material conveying roller (20) are arranged in the conveying groove assembly (2) in an obliquely upward structural mode, and two ends of the rollers are fixed through bearing seats;

the conveying groove assembly (2) is arranged in front of the rack assembly and on the right side of the cab assembly (3); the front end of the conveying groove assembly (2) is connected with the header assembly through a hinge shaft (22), and the rear end of the conveying groove assembly is connected with the pulverizer assembly (4).

4. The self-propelled straw carbonization and returning machine as claimed in claim 3, characterized in that: the pulverizer assembly (4) is fixed behind the conveying groove assembly (2) and above the rack assembly (8) by bolts.

5. The self-propelled straw carbonization and returning machine as claimed in claim 1, characterized in that: the engine assembly (5) is fixed above the frame assembly and behind the front wheel assembly (9) by bolts;

the rear part of the engine assembly (5) is connected with a right-angle box assembly (25).

6. The self-propelled straw carbonization and returning machine as claimed in claim 5, characterized in that: and a central transmission shaft assembly (29) is fixedly connected above the right-angle box assembly (25) through a bolt, and the central transmission shaft assembly (29) is arranged in the middle of the rack assembly.

7. The self-propelled straw carbonization and returning machine as claimed in claim 1, characterized in that: the stubble cleaner assembly (6) comprises a stubble cleaning cutter assembly, a roller assembly and a transmission system, the stubble cleaner assembly (6) is hinged with the frame in the middle of the frame, the middle of the stubble cleaner assembly is connected with the frame through an oil cylinder, and the stubble cleaner assembly (6) can be adjusted up and down through the telescopic function of the oil cylinder.

8. The self-propelled straw carbonization and returning machine as claimed in claim 1, characterized in that: the carbonizing machine assembly (7) comprises a material receiving barrel (11), a feeding propeller (12), a material carbonizing device (13), a discharging cover (14), a bearing cover (15), a support (16), a hydraulic motor A (26), a hydraulic motor B (27) and a discharging cutter (28);

the carbonizer assembly (7) is connected to the rear part of the rack and fixed by bolts and nuts;

the material receiving barrel (11) is arranged above the carbonizing machine assembly (7);

the bearing covers (15) are arranged on the left side and the right side of the feeding propeller (12);

the feeding propeller (12) is arranged below the material receiving barrel (11), and the left end and the right end of the feeding propeller are fixed above the carbonizer assembly (7) through bearing seats;

the material carbonizer (13) is arranged below the feeding propeller (12), and the left end and the right end of the material carbonizer are fixed below the carbonizer assembly (7) through bearing seats;

the hydraulic motor A (26) is connected to the right side of the feeding propeller (12), and the hydraulic motor B (27) is connected to the lower right side of the material carbonizer (13);

the discharging cover (14) is connected to the right side of the feeding propeller (12) and is of a porous structure;

the discharging cutter (28) is connected to a hydraulic motor B (27).

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