CN211960164U - Straw crushing and returning machine - Google Patents
Straw crushing and returning machine Download PDFInfo
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- CN211960164U CN211960164U CN201922346290.6U CN201922346290U CN211960164U CN 211960164 U CN211960164 U CN 211960164U CN 201922346290 U CN201922346290 U CN 201922346290U CN 211960164 U CN211960164 U CN 211960164U
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Abstract
The utility model provides a straw crushing and returning machine, which belongs to the technical field of agricultural equipment and comprises a hanging mechanism, a gearbox, a driving belt wheel, a hammer claw or a blade, a cutter shaft assembly, a cutter shaft belt pulley, a triangular belt, a depth-limiting roller and a casing, wherein the hanging mechanism is hung on a tractor, an output shaft of the tractor is connected with the gearbox through a universal joint, the gearbox is respectively connected with the driving belt wheel and drives the driving belt wheel to rotate, the driving belt wheel is connected with the cutter shaft belt pulley through the triangular belt, the cutter shaft belt pulley is axially connected with the cutter shaft assembly, and the cutter shaft belt pulley and the cutter shaft assembly are driven to synchronously rotate; a plurality of hammer claws or blades which are uniformly distributed are arranged in the axial direction of the cutter shaft assembly, a depth-limiting roller is arranged at the lower side of the cutter shaft assembly, and the hammer claws or blades and the cutter shaft assembly are arranged in the shell. Has the characteristics of reasonable structure, durability, stable performance, low maintenance cost and the like. The hammer claw or the blade is hard and wear-resistant, has good crushing effect, and the crushing qualified rate is more than 90%.
Description
Technical Field
The utility model belongs to the technical field of agricultural machine, especially, relate to a still field machine is smashed to straw.
Background
The direct crushing and returning of the crop straws to the field can increase the organic matter content of the soil, increase the fertilizer efficiency, improve the soil structure, relieve the soil hardening, improve the soil fertility and reduce the plant diseases and insect pests; but also can reduce the labor intensity of farmers and effectively avoid environmental pollution and fire hazard caused by burning straws.
At present, a lot of machines are used for returning crop straws of corn, sorghum, cotton and the like, wheat and rice soft straws and weeds which are vertical or paved on the ground to the field, the general straw returning machine has high energy consumption, poor transmission reliability and stability, and the durability of the returning cutter is checked, so that the crushing effect is poor and the qualification rate is low after the straw returning machine is used for a long time, and therefore, the straw returning machine suitable for the crop straws of corn, sorghum, cotton and the like, the wheat and rice soft straws and the weeds is very necessary to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a still field machine is smashed to straw to solve the problem that proposes among the above-mentioned background art. The straw crushing and returning machine has the characteristics of reasonable structure, durability, stable performance, low maintenance cost and the like. The hammer claw or the blade is hard and wear-resistant, has good crushing effect, the crushing qualified rate is more than 90 percent, and the stubble height is less than 50 mm. The returning machine is matched with a wheeled tractor for operation, is convenient to transport and can make a turn at the ground flexibly.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the straw crushing and returning machine developed by the project group comprises a hanging mechanism, a gearbox, a driving belt wheel, a hammer claw or a blade, a cutter shaft assembly, a cutter shaft belt wheel, a triangular belt, a depth-limiting roller and a casing, wherein the hanging mechanism is hung on a tractor, an output shaft of the tractor is connected with the gearbox through a universal joint, the gearbox is respectively connected with the driving belt wheel and drives the driving belt wheel to rotate, the driving belt wheel is connected with the cutter shaft belt wheel through the triangular belt, the cutter shaft belt wheel is axially connected with the cutter shaft assembly, and the cutter shaft belt wheel and the cutter shaft assembly are driven to synchronously rotate through the triangular belt; the special tool is characterized in that a plurality of hammer claws or blades which are uniformly distributed are axially arranged on the cutter shaft assembly, a depth limiting roller is arranged on the lower side of the cutter shaft assembly, and the hammer claws or blades and the cutter shaft assembly are arranged in the shell.
Preferably, the casing selection structure is an open fold line type casing. Provides convenient conditions for daily maintenance, maintenance and removal of sundries in the shell.
Preferably, the electric hammer further comprises fixed cutter teeth arranged in the front row in the shell, and the hammer claw or the blade is matched with the fixed cutter teeth.
Preferably, the fixed cutter teeth adopt a sawtooth structure.
Preferably, the device also comprises a rear row of blades arranged in the shell, and the hammer claw or the blades are matched with the fixed blades.
Preferably, a two-shaft power transmission device is arranged in the gearbox.
Preferably, the hammer claw or the blade is connected with a selection bracket of the cutter shaft assembly, and the bracket is a reinforced bracket. The crushing quality and the service life of the machine are further improved, and the mechanical property is more stable.
The straw crushing and returning machine has the application range of good crushing effect on crop straws of corn, sorghum, cotton and the like, wheat and rice soft straws and weeds which are vertical or paved on the ground.
The working principle is as follows: the power transmitted by the output shaft of the tractor is transmitted to the gear box of the machine through a universal joint transmission shaft, the two shafts and the driving belt wheel are driven to synchronously rotate after speed change, the cutter shaft belt wheel and the cutter shaft are driven to synchronously rotate through a triangular belt, hammer claws or blades arranged on the cutter shaft are opened under the action of centrifugal force generated by high-speed rotation of the roller, the blades or the hammer claws rotating at high speed pick up straws, and the straws are fed into a crushing chamber formed by a shell and the cutter shaft, and at the moment, the straws are blocked by front-row fixed cutter teeth to be cut, and most of; the uncut straws are crushed by the impact of hammer claws or blades for many times due to the change of the airflow direction in the broken line type shell; when the straw enters the overlapping part of the hammer claw or the blade and the rear scheduling blade, the straw is sheared and torn again, and the crushed straw is thrown on the ground along with the airflow. The straws and the remained stubbles are compacted on the ground through a depth-limiting roller which follows the straws, and the whole process of crushing the straws and returning the straws to the field is completed.
The utility model has the advantages that:
the straw crushing and returning machine has the characteristics of reasonable structure, durability, stable performance, low maintenance cost and the like. The hammer claw or the blade is hard and wear-resistant, has good crushing effect, the crushing qualified rate is more than 90 percent, and the stubble height is less than 50 mm. The returning machine is matched with a wheeled tractor for operation, is convenient to transport and can make a turn at the ground flexibly.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a view showing the construction of a straw chopper of example 1.
FIG. 2 is a view showing the structure of the straw chopper of example 2.
In the figure: 1. the device comprises a shell, 2 parts of a depth limiting roller, 3 parts of a hammer claw or a blade, 4 parts of a cutter shaft assembly, 5 parts of a cutter shaft belt pulley, 6 parts of a triangular belt, 7 parts of a driving belt pulley, 8 parts of a gearbox, 9 parts of a hanging mechanism.
Detailed Description
In order to make the technical solutions in the present invention better understood, the embodiments of the present invention will be described clearly and completely below, 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 those skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Embodiment 1, as shown in fig. 1, a straw crushing and returning machine includes a hitching mechanism 9, a gearbox 8, a driving pulley 7, a hammer claw, a cutter shaft assembly 4, a cutter shaft belt pulley 5, a triangular belt 6, a depth-limiting roller 2 and a casing 1, wherein the hitching mechanism 9 is hitched with a tractor, an output shaft of the tractor is connected with the gearbox 8 through a universal joint, the gearbox 8 is respectively connected with the driving pulley 7 and drives the driving pulley 7 to rotate, the driving pulley 7 is connected with the cutter shaft belt pulley 5 through the triangular belt 6, the cutter shaft belt pulley 5 is axially connected with the cutter shaft assembly 4, and the cutter shaft belt pulley 5 and the cutter shaft assembly 4 are driven to synchronously rotate through the triangular belt 6; a plurality of hammer claws which are uniformly distributed are arranged in the axial direction of the cutter shaft assembly 4, a depth-limited roller 2 is arranged on the lower side of the cutter shaft assembly 4, and the hammer claws and the cutter shaft assembly 4 are arranged in the machine shell 1.
In this embodiment, the selected structure of the housing 1 is an open-type cover with a broken line. Provides convenient conditions for daily maintenance, maintenance and removal of sundries in the shell.
In this embodiment, the hammer further comprises fixed cutter teeth arranged in the front row in the machine shell 1, and the hammer claw is matched with the fixed cutter teeth.
In this embodiment, the fixed cutter teeth adopt a sawtooth structure.
In this embodiment, the device further comprises a rear row of blades arranged in the casing 1, and the hammer claw is matched with the fixed blade.
In this embodiment, a two-shaft power transmission device is arranged in the gearbox 2.
In this embodiment, the hammer claw is connected with the cutter shaft assembly 4 by a selective support, and the support is a reinforced support. The crushing quality and the service life of the machine are further improved, and the mechanical property is more stable.
The straw crushing and returning machine has the application range of good crushing effect on crop straws of corn, sorghum, cotton and the like, wheat and rice soft straws and weeds which are vertical or paved on the ground.
The working principle is as follows: the power transmitted by the output shaft of the tractor is transmitted to the gearbox of the machine through a universal joint transmission shaft, the two shafts and the driving belt wheel are driven to synchronously rotate after speed change, the cutter shaft belt wheel and the cutter shaft are driven to synchronously rotate through a triangular belt, hammer claws arranged on the cutter shaft are opened under the action of centrifugal force generated by high-speed rotation of the roller, the hammer claws rotating at high speed pick up straws, and the straws are fed into a crushing chamber formed by a shell and the cutter shaft, and are blocked and cut by front-row fixed cutter teeth at the moment, and most of the straws are chopped; the uncut straws are crushed by the impact of the hammer claws for many times due to the change of the airflow direction in the broken line type shell; when the straws enter the overlapped part of the hammer claw and the rear scheduling blade, the straws are sheared and torn again, and the crushed straws are scattered on the ground along with the airflow. The deep roller which follows the straw crushing roller compacts the straw and the remained stubbles on the ground, and the whole process of crushing the straw and returning the straw to the field is completed.
In this embodiment, the selected structure of the housing 1 is an open-type cover with a broken line. Provides convenient conditions for daily maintenance, maintenance and removal of sundries in the shell.
In this embodiment, the cutting device further comprises a fixed cutter tooth arranged in the front row in the casing 1, and the blade is matched with the fixed cutter tooth.
In this embodiment, the fixed cutter teeth adopt a sawtooth structure.
In this embodiment, the device further comprises a rear row of blades arranged in the housing 1 and matched with the fixed blades.
In this embodiment, a two-shaft power transmission device is arranged in the gearbox 2.
In this embodiment, the blade is connected with the cutter shaft assembly 4 by a selective bracket, and the bracket is a reinforced bracket. The crushing quality and the service life of the machine are further improved, and the mechanical property is more stable.
The straw crushing and returning machine has the application range of good crushing effect on crop straws of corn, sorghum, cotton and the like, wheat and rice soft straws and weeds which are vertical or paved on the ground.
The working principle is as follows: the power transmitted by the output shaft of the tractor is transmitted to the gearbox of the machine through a universal joint transmission shaft, the two shafts and the driving belt wheel are driven to synchronously rotate after speed change, the cutter shaft belt wheel and the cutter shaft are driven to synchronously rotate through a triangular belt, blades arranged on the cutter shaft are opened under the action of centrifugal force generated by high-speed rotation of the roller, the blades rotating at high speed pick up straws, and the straws are fed into a crushing chamber formed by a shell and the cutter shaft, and at the moment, the straws are blocked and cut by front-row fixed cutter teeth, and most of the straws are; the uncut straws are crushed by the impact of the blades for many times due to the change of the airflow direction in the broken line type shell; when the straw enters the superposition position of the blades and the rear scheduling blade, the straw is sheared and torn again, and the crushed straw is thrown on the ground along with the airflow. The deep roller which follows the straw crushing roller compacts the straw and the remained stubbles on the ground, and the whole process of crushing the straw and returning the straw to the field is completed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A straw crushing and returning machine is characterized in that: the multifunctional deep-cutting machine comprises a hanging mechanism (9), a gearbox (8), a driving belt wheel (7), a hammer claw or a blade (3), a cutter shaft assembly (4), a cutter shaft belt pulley (5), a triangular belt (6), a depth-limiting roller (2) and a casing (1), wherein the hanging mechanism (9) is hung on a tractor, an output shaft of the tractor is connected with the gearbox (8) through a universal joint, the gearbox (8) is respectively connected with the driving belt wheel (7) and drives the driving belt wheel (7) to rotate, the driving belt wheel (7) is connected with the cutter shaft belt pulley (5) through the triangular belt (6), the cutter shaft belt pulley (5) is axially connected with the cutter shaft assembly (4), and the triangular belt (6) drives the cutter shaft belt pulley (5) and the cutter shaft assembly (4) to synchronously rotate; the special knife shaft assembly is characterized in that a plurality of hammer claws or blades (3) which are uniformly distributed are axially arranged on the knife shaft assembly (4), a depth limiting roller (2) is arranged on the lower side of the knife shaft assembly (4), and the hammer claws or blades (3) and the knife shaft assembly (4) are arranged in the shell (1).
2. The straw crushing and returning machine as claimed in claim 1, wherein the structure of the machine shell (1) is an open-type broken line type cover.
3. The straw crushing and returning machine as claimed in claim 1, further comprising a fixed cutter tooth arranged at the front row in the machine shell (1), wherein the hammer claw or the blade (3) is matched with the fixed cutter tooth.
4. The straw crushing and returning machine as claimed in claim 3, wherein the fixed cutter teeth are of a sawtooth structure.
5. The straw crushing and returning machine as claimed in claim 1, further comprising a rear row of blades arranged in the machine housing (1), wherein the hammer claw or the blade (3) is matched with the fixed blade.
6. The straw crushing and returning machine as claimed in claim 1, wherein a two-shaft power transmission device is arranged in the gearbox (8).
7. The straw crushing and returning machine as claimed in claim 1, wherein the hammer claw or the blade (3) is connected with a cutter shaft assembly (4) through a selective support, and the support is a reinforced support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346290.6U CN211960164U (en) | 2019-12-24 | 2019-12-24 | Straw crushing and returning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346290.6U CN211960164U (en) | 2019-12-24 | 2019-12-24 | Straw crushing and returning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211960164U true CN211960164U (en) | 2020-11-20 |
Family
ID=73379208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922346290.6U Active CN211960164U (en) | 2019-12-24 | 2019-12-24 | Straw crushing and returning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211960164U (en) |
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2019
- 2019-12-24 CN CN201922346290.6U patent/CN211960164U/en active Active
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