CN111727748B

CN111727748B - Still field device is smashed to maize root stubble

Info

Publication number: CN111727748B
Application number: CN202010717456.5A
Authority: CN
Inventors: 刘畅; 周毅
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-11-05
Anticipated expiration: 2040-07-23
Also published as: CN111727748A

Abstract

The invention discloses a corn stubble smashing and returning device, and belongs to the field of agricultural machinery. A corn stubble smashing and returning device comprises: the device comprises a base, a rotary table, a conveyor belt, a first driving mechanism, a second driving mechanism, a third driving mechanism and a plurality of blades; the rotary table is horizontally arranged below the base, a through hole is formed in the base, a vertically arranged rotating shaft is rotatably connected in the through hole, and the lower end of the rotating shaft is fixedly connected with the rotary table; the lower end of the base is provided with a plurality of rollers; the outer edge of the rotary table is provided with a vertically arranged tool rest which is connected with the rotary table in a sliding manner; the tool rest is provided with a plurality of guide grooves, clamping jaws are connected to the guide grooves in a sliding mode, the guide grooves surround the tool rest, and the guide grooves extend towards the position under the tool rest. Compared with the prior art, the corn stubble smashing and returning device digs out the stubble through the sliding clamping jaw, the residual quantity of the stubble is less, and the smashing effect is better.

Description

Still field device is smashed to maize root stubble

Technical Field

The invention relates to the field of agricultural machinery, in particular to a corn stubble smashing and returning device.

Background

Wheat and corn belong to two-crop areas in one year, and after the corn is harvested, the seeding operation of the crops after the crops are continuously carried out. The corn stubble is difficult to rot and degrade in the soil to form overhead, which prevents the subsequent crop seeding. Therefore, in the existing agricultural technology, after the corn is harvested, the corn stubble needs to be broken manually or mechanically, and the broken stubble needs to be poured into the field again.

At present, a plurality of smashing and returning devices for corn stubbles exist in the market, but the existing smashing and returning devices mostly use a rotary cutter to dig the corn stubbles out of soil and then smash the corn stubbles. The corn stubble is easy to wind on the cutter shaft, and the crushing effect is not good. And the rotary cutter is difficult to cut off the part of the stubble in the soil, and the residual quantity is large.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a corn stubble smashing and returning device, which solves the technical problem that the smashing effect of the existing corn stubble smashing and returning device is poor.

The purpose of the invention can be realized by the following technical scheme:

a corn stubble smashing and returning device comprises: the device comprises a base, a rotary table, a conveyor belt, a first driving mechanism, a second driving mechanism, a third driving mechanism and a plurality of blades;

the rotary table is horizontally arranged below the base, a through hole is formed in the base, a vertically arranged rotating shaft is rotatably connected in the through hole, and the lower end of the rotating shaft is fixedly connected with the rotary table; the lower end of the base is provided with a plurality of rollers;

the outer edge of the rotary table is provided with a vertically arranged tool rest which is connected with the rotary table in a sliding manner; the tool rest is provided with a plurality of guide grooves, clamping jaws are connected in the guide grooves in a sliding mode, the guide grooves are arranged around the tool rest, and the guide grooves extend towards the right lower side of the tool rest;

the first driving mechanism drives each clamping jaw to slide along the guide groove; the second driving mechanism is used for driving the tool rest to move up and down;

the conveying belt is arranged below the base, and the projection part of the rotary table along the vertical direction falls on the conveying belt; the blade sets up in the top of conveyer belt, third actuating mechanism can drive the blade along vertical direction reciprocating motion.

Furthermore, the first driving mechanism comprises a telescopic cylinder and a pressing plate which is horizontally arranged, the pressing plate is sleeved on the tool rest and can drive the pressing plate to vertically slide along the vertical direction, a rope is arranged at the upper end of each clamping jaw, one end of each rope is fixedly connected with the clamping jaw, and the other end of each rope is fixedly connected with the pressing plate; the projection of the clamping jaw in the vertical direction completely falls on the pressure plate.

Furthermore, a soil turning cutter wheel is arranged on one side, away from the cutter rest, of the conveyor belt, and the central shaft of the soil turning cutter wheel is perpendicular to the conveying direction of the conveyor belt.

Further, the guide groove is arc-shaped.

Further, a tilt cylinder is installed on the base and drives the rotating shaft to rotate.

Furthermore, a lifting platform is arranged on the upper end surface of the base, and the rotating shaft penetrates through the lifting platform and is rotatably connected with the lifting platform; the rotating shaft is fixedly provided with a lug, so that the rotating shaft cannot move downwards relative to the lifting platform; the lifting platform is characterized in that a plurality of counter bores are formed in the upper end face of the base, vertically arranged screw rods are inserted into the counter bores, the screw rods are rotatably connected with the counter bores, and the screw rods penetrate through the lifting platform and are in threaded connection with the lifting platform.

Furthermore, a plurality of traction hooks are fixedly installed on the base.

The invention has the beneficial effects that:

compared with the existing rotary cutter, the movable clamping jaw can completely pull out stubbles from soil, the residue is less, and the stubble removing effect is better. Moreover, the vertical reciprocating cutter is adopted in the crushing process instead of the rotary cutter, so that the situation that the cutter shaft is wound by the root hair and the stalks can not occur in the whole digging process and the crushing process, the use is more convenient, the crushing effect is better, and the maintenance is more convenient.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present application

FIG. 2 is a front view of the present application;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

The parts corresponding to the reference numerals in the figures are as follows:

1. a base; 2. a rotating shaft; 3. oscillating a cylinder; 4. a screw; 5. a towing hook; 6. a roller; 7. a turntable; 8. a conveyor belt; 9. a tool holder; 10. a telescopic cylinder; 11. a clamping jaw; 12. a guide groove; 13. a blade; 14. pressing a plate; 15. a rope.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-3, a corn stubble crushing and returning device includes: the device comprises a base 1, a rotary table 7, a conveyor belt 8, a first driving mechanism, a second driving mechanism, a third driving mechanism and a plurality of blades 13; the rotary table 7 is horizontally arranged below the base 1, a through hole is formed in the base 1, the vertically arranged rotary shaft 2 is rotatably connected in the through hole, and the lower end of the rotary shaft 2 is fixedly connected with the rotary table 7; the lower end of the base 1 is provided with a plurality of rollers 6; a vertically arranged tool rest 9 is arranged on the outer edge of the turntable 7, and the tool rest 9 is connected with the turntable 7 in a sliding manner; a plurality of guide grooves 12 are formed in the tool rest 9, clamping jaws 11 are slidably connected in the guide grooves 12, the guide grooves 12 are arranged around the tool rest 9, and the guide grooves 12 extend towards the right lower part of the tool rest 9; the first driving mechanism drives each clamping jaw 11 to slide along the guide groove 12; the second driving mechanism is used for driving the tool rest 9 to move up and down; the conveyor belt 8 is arranged below the base 1, and the projection part of the turntable 7 along the vertical direction falls on the conveyor belt 8; the blade 13 is disposed above the conveyor belt 8, and the third driving mechanism can drive the blade 13 to reciprocate in the vertical direction.

More specifically, when the stubble is crushed and returned to the field, the device is moved to the farmland, the turntable 7 is static in the treatment state, one cutter frame 9 is positioned right above the conveyor belt 8, and the projections of the rest cutter frames 9 along the vertical direction are supposed to fall outside the conveyor belt 8. When moving to the working area, the knife rest 9 is aligned with the root stubble of a corn, the second driving mechanism is started to move the knife rest 9 downwards, and then the first driving mechanism is started to make the clamping jaws 11 simultaneously slide downwards along the guide grooves 12, insert into the soil and grasp the corn root stubble. The second driving mechanism is started again, so that the knife rest 9 moves upwards to pull the corn stubble out of the soil. Then the rotating disc 7 is rotated to move the clamped stubbles to the upper part of the conveyor belt 8, and then the first driving mechanism is started to reset the clamping jaws 11, so that the dug-out corn stubbles fall on the conveyor belt 8 and move to the lower part of the blade 13 along with the conveyor belt 8. The corn stubble is chopped into small pieces by the chopping of the reciprocating blade 13 and then falls into the field from the tail end of the conveyor belt 8, so that the corn stubble is crushed and returned to the field.

Compared with the existing rotary cutter, the movable clamping jaw 11 can completely pull out stubbles from soil, so that the residue is less, and the stubble removing effect is better. Moreover, the vertical reciprocating cutter is adopted in the crushing process instead of the rotary cutter, so that the situation that the cutter shaft is wound by the root hair and the stalks can not occur in the whole digging process and the crushing process, the use is more convenient, the crushing effect is better, and the maintenance is more convenient.

More specifically, the first driving mechanism comprises a telescopic cylinder 10 and a pressure plate 14 which is horizontally arranged, the pressure plate 14 is sleeved on the tool rest 9, the telescopic cylinder 10 can drive the pressure plate 14 to vertically slide along the vertical direction, a rope 15 is arranged at the upper end of each clamping jaw 11, one end of the rope 15 is fixedly connected with the clamping jaw 11, and the other end of the rope 15 is fixedly connected with the pressure plate 14; the projection of the clamping jaw 11 in the vertical direction falls completely on the pressure plate 14.

That is, during the operation, the telescopic cylinder 10 drives the pressing plate 14 to move downwards, presses the clamping jaws 11 downwards, forces the clamping jaws 11 to move downwards along the guide grooves 12, and when the plurality of clamping jaws 11 clamp the stubbles, the pressing plate 14 tightly abuts against the upper ends of the clamping jaws 11, so as to form a firm clamping effect. When resetting is needed, the telescopic air cylinder 10 drives the clamping plate 14 to move upwards, and the clamping jaw 11 is lifted by the rope 15 in the process of moving upwards of the clamping plate 14 due to the fact that the clamping jaw 11 is connected with the clamping plate through the rope 15, so that the clamping jaw 11 moves upwards along the guide groove 12 to reset. Through this kind of setting, accomplish the clamp of clamping jaw 11 with resetting high-efficiently, simple structure is convenient for maintain.

Furthermore, a soil turning cutter wheel is arranged on one side of the conveyor belt 8, which is far away from the cutter rest 9, and the central shaft of the soil turning cutter wheel is perpendicular to the conveying direction of the conveyor belt. With the arrangement, when the corn stubbles are discharged into the soil from the conveyor belt 8, the soil turning cutter wheel performs soil turning plowing, so that the crushed stubbles are fully mixed into the soil.

Further, the guide groove 12 is arc-shaped. The base 1 is provided with a tilt cylinder 3, and the tilt cylinder 3 drives the rotating shaft 2 to rotate. The tilt cylinder 3 can provide a large torque, suitable for use in this operating condition.

Furthermore, a lifting platform is arranged on the upper end surface of the base 1, and the rotating shaft 2 penetrates through the lifting platform and is rotatably connected with the lifting platform; the rotating shaft 2 is fixedly provided with a lug, so that the rotating shaft 2 cannot move downwards relative to the lifting platform; a plurality of counter bores have been seted up to base 1 up end, have inserted vertical screw rod 4 of arranging in a plurality of counter bores, and screw rod 4 rotates with the counter bore to be connected, and screw rod 4 runs through the elevating platform, and with elevating platform threaded connection.

An operator can finely adjust the height of the lifting platform by rotating the screw rod 4, so as to adjust the height of the tool rest 9 and the bottom surface and control the maximum depth of the clamping jaw 11 added to the ground.

A plurality of traction hooks 5 are fixedly installed on the base 1, and can be connected with a driving vehicle through the traction hooks 5.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a still field device is smashed to maize stubble, its characterized in that includes: the device comprises a base, a turntable, a conveyor belt, a first driving mechanism, a second driving mechanism, a third driving mechanism and a plurality of blades;

the rotary table is horizontally arranged below the base, a through hole is formed in the base, a vertically arranged rotary shaft is rotatably connected in the through hole, and the lower end of the rotary shaft is fixedly connected with the rotary table; the lower end of the base is provided with a plurality of rollers;

the conveying belt is arranged below the base, and the projection part of the rotary table along the vertical direction falls on the conveying belt; the blade is arranged above the conveyor belt, and the third driving mechanism can drive the blade to reciprocate along the vertical direction; the first driving mechanism comprises a telescopic cylinder and a pressing plate which is horizontally arranged, the pressing plate is sleeved on the tool rest and can drive the pressing plate to vertically slide along the vertical direction, a rope is arranged at the upper end of each clamping jaw, one end of each rope is fixedly connected with the clamping jaw, and the other end of each rope is fixedly connected with the pressing plate; the projection of the clamping jaw in the vertical direction completely falls on the pressure plate.

2. The corn stubble smashing and returning device as claimed in claim 1, wherein a soil turning cutter wheel is arranged on one side of the conveyor belt far away from the cutter rest, and the central axis of the soil turning cutter wheel is perpendicular to the conveying direction of the conveyor belt.

3. The corn stubble chopping and returning device as claimed in claim 1, wherein the guide groove is arc-shaped.

4. The corn stubble smashing and returning device as claimed in claim 1, wherein a tilt cylinder is mounted on the base and drives the rotating shaft to rotate.

5. The corn stubble smashing and returning device as claimed in claim 1, wherein a lifting platform is arranged on the upper end face of the base, and the rotating shaft penetrates through the lifting platform and is rotatably connected with the lifting platform; the rotating shaft is fixedly provided with a lug, so that the rotating shaft cannot move downwards relative to the lifting platform; the lifting platform is characterized in that a plurality of counter bores are formed in the upper end face of the base, vertically arranged screw rods are inserted into the counter bores, the screw rods are rotatably connected with the counter bores, and the screw rods penetrate through the lifting platform and are in threaded connection with the lifting platform.

6. The corn stubble smashing and returning device as claimed in claim 1, wherein a plurality of traction hooks are fixedly mounted on the base.