CN217694381U

CN217694381U - Corn stalk returning equipment with adjustable row spacing

Info

Publication number: CN217694381U
Application number: CN202221428386.2U
Authority: CN
Inventors: 李翠兰; 张晋京; 李金艳; 李梦瑶
Original assignee: Jilin Agricultural University
Current assignee: Jilin Agricultural University
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-01
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to the technical field of straw returning, in particular to a corn straw returning device with adjustable row spacing, which comprises a returning vehicle body, an adjusting device and a cutting device, wherein the adjusting device comprises a mounting plate and a movable plate; the outer part of the mounting plate is provided with a plurality of first through grooves, the inner part of the movable plate is provided with a circular groove, a spring is arranged in the circular groove, a clamping block is arranged at the free end of the spring, and the cutting device comprises a second stirring rod and a second cutting blade; the externally mounted of fly leaf has still field case, the bearing is installed to the inside symmetry of still field case, install the second puddler between two bearings, the externally mounted of second puddler has a plurality of second cutting blade of group, the square groove of a plurality of has been seted up to the bottom of still field case, can realize carrying out the secondary cutting to the straw through second cutting blade, the straw after the cutting is accomplished evenly drops at soil through square groove, the straw of avoiding after the cutting is difficult to smooth the application and spills on soil, lead to soil nutrient absorption inhomogeneous.

Description

Corn stalk returning equipment with adjustable row spacing

Technical Field

The utility model relates to a still field of straw technology field, concretely relates to still field equipment of maize straw of adjustable row spacing.

Background

Most of the corn harvesters developed and researched in the domestic market at present are large and medium-sized corn combine harvesters, and the small corn harvesters are backpack corn harvesters which generally use small four wheels as power, and have the advantages of large whole machine volume and mass, large turning radius, poor field passing performance, non-adjustable harvesting row spacing and poor cross-region operability. In most areas of China, large and medium corn harvesters cannot adapt to corn harvesting operation in the areas due to complex terrain, small land parcels, narrow field roads and poor passing performance. The company finds that although a small corn harvester matched with a walking tractor is available in the market through market research, the corn harvester can only harvest one line at a time, the line spacing cannot be adjusted, the line needs to be opened before harvesting, time and labor are wasted, the operation is inflexible, the comfort is poor, and the requirement of users cannot be met.

Traditional straw returning device is when using in areas such as narrow, the plot of land of field road, is difficult to adjust cutting device, leads to the device to be difficult to use it to in the use, be difficult to carry out the secondary cutting to the straw, lead to the straw of cutting out to be difficult to the natural corrosion, its nutrient is difficult to soil absorption, and the straw falls to the ground naturally simultaneously, does not have even application and spills on the soil surface, leads to soil nutrient to absorb inhomogeneous.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a row spacing adjustable corn stalk still field equipment has solved and has been difficult to adjust cutting device according to the topography, and the use limitation that leads to the device is low excessively, in addition, has still solved and has been difficult to evenly executed the problem of spilling to the straw after smashing.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a corn straw returning device with adjustable row spacing comprises a returning vehicle body, an adjusting device and a cutting device, wherein the adjusting device comprises a mounting plate and a movable plate; a plurality of first through grooves are formed in the outer portion of the mounting plate, a circular groove is formed in the inner portion of the movable plate, a spring is installed in the circular groove, and a clamping block is installed at the free end of the spring;

the cutting device comprises a second stirring rod and a second cutting blade; the externally mounted of fly leaf has still field case, the bearing is installed to the inside symmetry of still field case, two install the second puddler between the bearing, the externally mounted of second puddler has a plurality of groups second cutting blade, still the bottom of field case has seted up the square groove of a plurality of. And discharging the cut corn straws through the square groove.

Furthermore, the mounting plate is fixedly mounted outside the returning vehicle body, and a stop lever is arranged on one side, away from the mounting plate, of the returning vehicle body. The stop lever is to rolling the maize straw that will cut promptly, makes still field car body pass through the resistance that the in-process received and diminishes.

Furthermore, a first U-shaped plate is installed on one side of the returning box, a first motor is installed on one side of the returning box, a second U-shaped plate is further installed on one side of the returning box, and a second motor is installed on one side of the returning box.

Furthermore, the second U-shaped plate and the second motor are fixed through a support frame, a second through groove is formed in the outer portion of the returning box, and the end portion of a rotating shaft of the second motor is in key connection with the end portion of the second stirring rod.

Furthermore, the inside of returning to the field case is provided with first puddler, the externally mounted of first puddler has the first cutting blade of a plurality of groups, the axis of rotation of first motor passes returning to the field case and is the key-type connection with the tip of first puddler. The first cutting blade performs a first cut on corn stover located at the ground surface.

Furthermore, inclined plates are symmetrically arranged on one side of the returning box, a fixing plate is arranged between the two inclined plates, and rolling rollers are arranged outside the fixing plate. And rolling the maize straws cut on the ground by the rolling roller.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model discloses in use through the cooperation of first through groove and fixture block, can realize changing the position to the fly leaf, when using in special area (special area: field road, wall side when need change the position to it, the staff can carry out the shift position to the fly leaf with the fixture block according to the inside of extruding first through groove, can carry out corresponding adjustment to the position of fly leaf through the straw to field road, wall side this moment, avoid using to special position because of being difficult to carry out the adjustment position to the fly leaf, this mode can avoid this type of phenomenon to take place, the practicality of device has been improved.

The utility model discloses in use through the cooperation of second puddler and second cutting blade, can realize carrying out the secondary cutting to the straw, in the use, use through the cooperation of second puddler and second cutting blade and can realize carrying out the secondary cutting to the straw, the straw after the cutting is accomplished evenly drops on soil through square groove, and the straw of avoiding after the cutting is difficult to smooth the application and spills on soil, leads to soil nutrient absorption inhomogeneous.

Drawings

In order to more clearly illustrate 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. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of a first three-dimensional structure of the present invention;

fig. 2 is a schematic view of a second three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the adjusting structure of the present invention;

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

FIG. 5 is an enlarged view of the structure at A in FIG. 3;

FIG. 6 is an enlarged view of the structure at B in FIG. 4;

the reference numerals in the drawings denote: 1. returning to the field vehicle body; 2. a stop lever; 3. mounting a plate; 4. a first through groove; 5. a movable plate; 6. a circular groove; 7. a spring; 8. a clamping block; 9. returning to the field box; 10. a first U-shaped plate; 11. a first motor; 12. a support frame; 13. a first stirring rod; 14. a first cutting blade; 15. a second U-shaped plate; 16. a second motor; 17. a second through groove; 18. a bearing; 19. a second stirring rod; 20. a second cutting blade; 21. a square groove; 22. an inclined plate; 23. a fixing plate; 24. and rolling the roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.

The present invention will be further described with reference to the following examples.

Examples

The corn straw returning equipment with the adjustable row spacing comprises a returning vehicle body 1, an adjusting device and a cutting device, wherein the adjusting device comprises a mounting plate 3 and a movable plate 5; a plurality of first through grooves 4 are formed in the outer portion of the mounting plate 3, a circular groove 6 is formed in the movable plate 5, a spring 7 is installed in the circular groove 6, and a clamping block 8 is installed at the free end of the spring 7;

the cutting means comprises a second stirring rod 19 and a second cutting blade 20; the external mounting of fly leaf 5 has still field case 9, and the inside symmetry of returning field case 9 installs bearing 18, installs second puddler 19 between two bearings 18, and the external mounting of second puddler 19 has a plurality of second cutting blade 20 of group, and the square groove 21 of a plurality of has been seted up to the bottom of returning field case 9. Discharging the cut corn straws through a square groove 21;

the mounting plate 3 is fixedly mounted outside the returning vehicle body 1, and a stop lever 2 is arranged on one side, far away from the mounting plate 3, of the returning vehicle body 1. The stop lever 2 rolls the corn straws to be cut, so that the resistance of the returning trolley body 1 in the passing process is reduced, a first U-shaped plate 10 is arranged on one side of the returning box 9, a first motor 11 is arranged on one side of the returning box 9, a second U-shaped plate 15 is also arranged on one side of the returning box 9, and a second motor 16 is arranged on one side of the returning box 9;

second U template 15 and second motor 16 are fixed through support frame 12, and the second has been seted up to the outside of returning field case 9 and has been run through groove 17, and the pivot tip of second motor 16 is the key-type connection with the tip of second puddler 19, and the inside of returning field case 9 is provided with first puddler 13, and the externally mounted of first puddler 13 has the first cutting blade 14 of a plurality of groups, and the axis of rotation of first motor 11 passes returning field case 9 and the tip of first puddler 13 is the key-type connection. The first cutting blade 14 cuts the corn straws on the ground for the first time, one side of the returning box 9 is symmetrically provided with inclined plates 22, a fixing plate 23 is arranged between the two inclined plates 22, and the outside of the fixing plate 23 is provided with a rolling roller 24. The rolling roller 24 rolls the cut maize straws on the ground.

When the device is needed to return corn straws to the field, the field returning vehicle body 1 is started, the field returning vehicle body 1 drives the stop lever 2 and the movable plate 5 to move forwards, the stop lever 2 rolls the corn straws, so that the field returning vehicle body 1 is not blocked in the passing process, the first motor 11 and the second motor 16 are started at the moment, the first motor 11 drives the first stirring rod 13 to rotate, the corn straws on the soil are cut by the first cutting blades 14 arranged outside the first stirring rod 13, the cut corn straws enter the upper part of the second stirring rod 19 through the inertia of the first cutting blades 14, the second motor 16 drives the second stirring rod 19 to rotate at the moment, the second cutting blades 20 arranged outside the second stirring rod 19 cut the corn straws cut by the first cutting blades 14 for the second time, the cut straws drop to the soil in a square shape and pass through the groove 21, and the rolling roller 24 rolls the soil at the moment;

when needs use to the special position, carry out corresponding adjustment to fly leaf 5 according to geographical position, the staff is according to the inside of extruding first through groove 4 with fixture block 8, can carry out the adjusting position to fly leaf 5 this moment, the adjustment is accomplished the back, fixture block 8 gets into the inside of first through groove 4 through the self elasticity of spring 7, can carry out still field operation to the maize straw that lies in the special position this moment, avoid because of being difficult to carry out the adjusting position to fly leaf 5, lead to the device to be difficult to carry out work to the maize straw of special position, this kind of phenomenon can be avoided taking place to this mode, the practicality of device has been improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a row spacing adjustable maize straw still field equipment, includes still field car body (1), adjusting device and cutting device, its characterized in that:

the adjusting device comprises a mounting plate (3) and a movable plate (5); a plurality of first through grooves (4) are formed in the outer portion of the mounting plate (3), a circular groove (6) is formed in the movable plate (5), a spring (7) is installed in the circular groove (6), and a clamping block (8) is installed at the free end of the spring (7);

the cutting device comprises a second stirring rod (19) and a second cutting blade (20); the externally mounted of fly leaf (5) has still field case (9), bearing (18), two are installed to the inside symmetry of still field case (9) install second puddler (19) between bearing (18), the externally mounted of second puddler (19) has a plurality of second cutting blade of group (20), square groove of a plurality of (21) has been seted up to the bottom of still field case (9).

2. The corn straw returning equipment with the adjustable row spacing as claimed in claim 1, wherein the mounting plate (3) is fixedly mounted outside the returning vehicle body (1), and a stop lever (2) is arranged on one side of the returning vehicle body (1) far away from the mounting plate (3).

3. The corn straw returning equipment with the adjustable row spacing as claimed in claim 1, wherein a first U-shaped plate (10) is installed on one side of the returning box (9), a first motor (11) is installed on one side of the returning box (9), a second U-shaped plate (15) is installed on one side of the returning box (9), and a second motor (16) is installed on one side of the returning box (9).

4. The equipment for returning the corn stalks to the field as claimed in claim 3, wherein the second U-shaped plate (15) and the second motor (16) are fixed by a support frame (12), a second through groove (17) is formed outside the returning box (9), and the end of a rotating shaft of the second motor (16) is in key connection with the end of the second stirring rod (19).

5. The equipment for returning the corn stalks to the field with the adjustable row spacing as claimed in claim 3, wherein a first stirring rod (13) is arranged inside the field returning box (9), a plurality of groups of first cutting blades (14) are arranged outside the first stirring rod (13), and the rotating shaft of the first motor (11) passes through the field returning box (9) and is in key connection with the end part of the first stirring rod (13).

6. The corn straw returning equipment with the adjustable row spacing as claimed in claim 5, wherein one side of the returning box (9) is symmetrically provided with inclined plates (22), a fixing plate (23) is arranged between the two inclined plates (22), and the outside of the fixing plate (23) is provided with a rolling roller (24).