CN115606338A

CN115606338A - Land leveler and agricultural machine

Info

Publication number: CN115606338A
Application number: CN202211077027.1A
Authority: CN
Inventors: 李琪; 周志
Original assignee: Changsha Sanglaite Agricultural Mechanical Equipment Co Ltd
Current assignee: Changsha Sanglaite Agricultural Mechanical Equipment Co Ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-17

Abstract

The invention provides a land leveler and agricultural machinery, which comprises a rack, and a rake part and a land leveling part which are arranged on the rack; the rake tooth part comprises a turnover oil cylinder and a rake tooth beam, one end of the turnover oil cylinder is movably connected with the rack, the other end of the turnover oil cylinder is movably connected with the rake tooth beam, and the rake tooth beam is driven to turn around the rack when the turnover oil cylinder stretches; the land leveling part comprises a lifting oil cylinder and a telescopic harrow plate, one end of the lifting oil cylinder is movably connected with the rack, the other end of the lifting oil cylinder is movably connected with the harrow plate, and the lifting oil cylinder drives the harrow plate to rise or fall when being stretched; the land leveler further comprises a telescopic oil cylinder, two ends of the telescopic oil cylinder are respectively connected with two ends of the harrow plate, and the telescopic oil cylinder drives the harrow plate to stretch when stretching. The land leveler with the structure has the advantages of good land leveling effect, effectively improved cultivation efficiency and lower use cost.

Description

Land leveler and agricultural machine

Technical Field

The invention relates to the field of agricultural machinery, in particular to a land leveler and agricultural machinery.

Background

In recent years, with the continuous progress and development of technology, various agricultural machines such as rotary cultivators and land levelers have been widely used for the cultivation of wide farmlands.

Tillage machinery with the existing structure, such as a rotary cultivator, can only be used for rotary tillage generally, quits after the rotary tillage, levels farmlands through land leveling machinery and the like, so that the problems of single function, low utilization rate and tillage efficiency, high use cost and the like generally exist. In addition, the existing tillage machinery also has the problems of simple and thick structure, large limitation in the use process and the like.

In summary, the technical problems to be solved by those skilled in the art are solved by providing a land leveler with good land leveling effect, effectively improved cultivation efficiency, and relatively low use cost, and an agricultural machine including the land leveler.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the land leveler has the advantages that the land leveling effect is good, the cultivation efficiency can be effectively improved, the use cost is relatively low, and the agricultural machine comprising the land leveler is provided.

The solution of the invention is realized by the following steps: the invention provides a land leveler, which comprises a rack, a tooth harrow part and a land leveling part, wherein the tooth harrow part and the land leveling part are arranged on the rack; the rake tooth part comprises a turnover oil cylinder and a rake tooth beam, one end of the turnover oil cylinder is movably connected with the rack, the other end of the turnover oil cylinder is movably connected with the rake tooth beam, and the rake tooth beam is driven to turn around the rack when the turnover oil cylinder stretches; the leveling part comprises a lifting oil cylinder and a telescopic harrow plate, one end of the lifting oil cylinder is movably connected with the rack, the other end of the lifting oil cylinder is movably connected with the harrow plate, and the harrow plate is driven to rise or fall when the lifting oil cylinder is telescopic; the land leveler further comprises a telescopic oil cylinder, two ends of the telescopic oil cylinder are connected with two ends of the harrow plate respectively, and the telescopic oil cylinder drives the harrow plate to stretch when stretching. When the land leveler with the structure works, one end of the land leveler can be connected with a rotary cultivator and other machines together, after rotary tillage, large soil blocks are raked through the tooth raking part firstly, and then the plowing surface of the soil is raked finely through the land leveling part, so that powerful conditions are provided for subsequent seeding and the like. Compared with the land leveler with the existing structure, the land leveler has the advantages of good land leveling effect, capability of effectively improving the cultivation efficiency and lower production and use costs.

In another technical solution of the present invention, based on the above, the rake plate includes a main rake horizontally disposed, and an auxiliary rake disposed at one end or both ends of the main rake, wherein the auxiliary rake is disposed in the main rake and can move back and forth in the main rake.

On the basis, the telescopic oil cylinder comprises a first telescopic oil cylinder and a second telescopic oil cylinder which are oppositely or parallelly arranged on the main rake, the auxiliary rake comprises a first auxiliary rake arranged at one end of the main rake and a second auxiliary rake arranged at the other end of the main rake, one end of the first telescopic oil cylinder is connected with one end of the first auxiliary rake, one end of the second telescopic oil cylinder is connected with one end of the second auxiliary rake, the first auxiliary rake is driven to stretch when the first telescopic oil cylinder stretches, and the second auxiliary rake is driven to stretch when the second telescopic oil cylinder stretches.

On the basis, the rake tine beam is provided with a first hinged support and a second hinged support, the first hinged support is movably connected with the rack, the second hinged support is movably connected with one end of the turnover oil cylinder, and the turnover oil cylinder drives the rake tine beam to rotate around the first hinged support when stretching.

On the basis, a plurality of rake teeth with the same structure are arranged on the rake beam, and the rake teeth are uniformly arranged at intervals.

On the basis, the rack comprises two first rotating seats which are oppositely arranged, and a first cross beam of which two ends are connected with the two first rotating seats, wherein the first cross beam is also provided with a suspension for connection.

On the basis, the rack further comprises two second rotary bases which are arranged oppositely, each lifting oil cylinder comprises a first lifting oil cylinder and a second lifting oil cylinder which are arranged oppositely, one end of each first lifting oil cylinder is movably connected with one first rotary base, and the other end of each first lifting oil cylinder is movably connected with one second rotary base; one end of the second lifting oil cylinder is movably connected with the other first rotating base, and the other end of the second lifting oil cylinder is movably connected with the other second rotating base.

On the basis, the frame further comprises two lifting arms which are arranged oppositely, a second cross beam is arranged between the two lifting arms, and the second cross beam is arranged opposite to the first cross beam; two ends of the two lifting arms are respectively movably connected with the first rotating base and the second rotating base; the main harrow is fixedly connected with the two second rotary seats respectively, and when the first lifting oil cylinder and the second lifting oil cylinder stretch out and draw back, the two second rotary seats are driven to rotate around the end parts of the two lifting arms, so that the main harrow is driven to lift.

On the basis, a third hinged support is arranged on the second cross beam, and the other end of the turnover oil cylinder is movably connected with the third hinged support; and an adjusting bolt is further arranged beside the second rotary seat and used for adjusting the turning angle of the main rake.

In another aspect, the invention further provides an agricultural machine, which includes a rotary cultivator and a grader connected with the rotary cultivator, wherein the grader is the grader.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of a grader configuration according to the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of another embodiment of a grader of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic structural view of a rake part in FIG. 1;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is a schematic left side view of FIG. 5;

fig. 8 is a schematic structural view of the rake section of fig. 1;

fig. 9 is a left side view of fig. 8.

The corresponding relation of the reference signs is as follows:

1. hang 2 first rotary seat of connecting seat 3

4. First beam 5, lifting arm 6 and second rotary seat

7. First lift cylinder 8 adjusting bolt 9 second lift cylinder

10. First telescopic oil cylinder 11, main rake 12 and second telescopic oil cylinder

13. Tooth harrow portion 14 second crossbeam 15 upset hydro-cylinder

16. Rake teeth of the rake beam 17 and the first hinge seat 18

19. The second hinged support 20 land leveling part 21 and the first auxiliary harrow

22. Front seat 24 and rear seat of first connecting part 23

25. Second connecting part of second auxiliary rake 27 of fixing plate 26

28. Third hinge seat

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

The embodiment of the invention is as follows, please refer to the land leveler shown in fig. 1-9, which specifically comprises a frame, and a rake part 13 and a land leveling part 20 which are arranged on the frame, wherein the rake part 13 comprises a turnover oil cylinder 15 and a rake beam 16, one end of the turnover oil cylinder 15, namely the left end shown in the figure, is movably connected with the frame, and the other end of the turnover oil cylinder 15, namely the right end shown in fig. 1, is movably connected with the rake beam 16, and when the turnover oil cylinder 15 stretches, the rake beam 16 can be driven to turn around the frame. The land leveling part 20 specifically comprises a lifting cylinder and a retractable harrow plate, one end of the lifting cylinder, namely the left end shown in fig. 1, is movably connected with the frame, and the other end of the lifting cylinder, namely the right end shown in the drawing, is movably connected with the harrow plate, so that when the lifting cylinder extends or shortens, the harrow plate can be driven to rise or fall. The land leveler further comprises a telescopic oil cylinder, two ends of the telescopic oil cylinder are respectively connected with two ends of the harrow plate, and when the telescopic oil cylinder extends or shortens, the harrow plate can be driven to extend or shorten. When the land leveler with the structure works, one end of the land leveler can be connected with a rotary cultivator and other machines together, after rotary tillage, large soil blocks are raked through the tooth rake part 13, and then the plowing surface of the soil is finely raked through the land leveling part 20, so that powerful conditions are provided for subsequent seeding and the like. Compared with the land leveler with the existing structure, the land leveler has the advantages of good land leveling effect, capability of effectively improving the cultivation efficiency and lower production and use costs.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3 and 8, the harrow plate comprises a main harrow 11 horizontally arranged and an auxiliary harrow arranged at one end or both ends of the main harrow 11, and the auxiliary harrow can be arranged in the main harrow 11 and can be extended and retracted back and forth in the main harrow 11. When the land is leveled, the auxiliary harrow can be extended or retracted according to the width of the land. In other embodiments, the main rake 11 and the auxiliary rake can be arranged in parallel to achieve the same technical effect.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3 and fig. 8, the telescopic cylinders specifically include a first telescopic cylinder 10 and a second telescopic cylinder 12 which are oppositely arranged or arranged in parallel on the main rake 11, the auxiliary rake includes a first auxiliary rake 21 arranged at one end of the main rake 11, i.e. the left end in the figure, and a second auxiliary rake 26 arranged at the other end of the main rake 11, i.e. the right end in the figure, one end of the first telescopic cylinder 10, i.e. the left end in the figure, is connected with one end of the first auxiliary rake 21, i.e. the left end in the figure, and one end of the second telescopic cylinder 12, i.e. the right end in the figure, is connected with one end of the second auxiliary rake 26, i.e. the right end in the figure. When the first telescopic cylinder 10 is telescopic, the first auxiliary rake 21 is driven to be telescopic. When the second telescopic cylinder 12 is telescopic, the second sub-rake 26 is driven to be telescopic. More specifically, the left end of the first telescopic cylinder 10 is connected to the left end of the first sub-rake 21 through a first connecting portion 22, and the right end of the second telescopic cylinder 12 is connected to the right end of the second sub-rake 26 through a second connecting portion 27. In addition, the main harrow 11 can be provided with a fixing plate 25 for fixing the telescopic oil cylinder, and the fixing plate 25 is also provided with a front seat 23, a rear seat 24 and other components.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 5 to 7, the rake beam 16 is provided with a first hinge base 17 for movably connecting with the frame, and a second hinge base 19 for movably connecting with one end of the tilting cylinder 15, and the first hinge base 17 and the second hinge base 19 are arranged opposite to each other, so that when the tilting cylinder 15 extends and retracts, the rake beam 16 is driven to rotate around the first hinge base 17. Preferably, the number of the first hinge bases 17, preferably two, is respectively provided at the left and right ends of the second hinge base.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 5 to 7, a plurality of rake teeth 18 with the same structure are arranged on the rake finger 16, the rake teeth 18 are evenly spaced, and the rake teeth 18 are oriented in the same direction, and the cross-sectional area of one end of the rake teeth 18 connected with the rake finger 16 is larger than that of the other end thereof.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, the frame specifically includes two first rotating seats 3 arranged oppositely, and a first cross beam 4 having front and rear ends connected to the two first rotating seats 3, the first cross beam 4 is further provided with a suspension 1 for connection, and in the using process, the suspension 1 is connected to an agricultural machine such as a tractor or a suspension cultivator. In addition, the lower parts of the two first rotating seats 3 are respectively provided with a connecting seat 2 for connection.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, the frame further includes two second swivel mounts 6 disposed opposite to each other, and for the lift cylinder, the first lift cylinder 7 and the second lift cylinder 9 disposed opposite to each other are also included, one end of the first lift cylinder 7, i.e., the left end shown in fig. 3, is movably connected to one of the first swivel mounts 3, i.e., the first swivel mount 3 at the front end in fig. 3, and the other end of the first lift cylinder 7, i.e., the right end shown in the figure, is movably connected to one of the second swivel mounts 6 at the front end in the figure. Similarly, one end of the second lift cylinder 9, i.e., the left end shown in fig. 3, is movably connected to the other, i.e., the first swivel base 3 at the rear end in the figure, and the other end of the second lift cylinder 9, i.e., the right end shown in fig. 3, is movably connected to the other, i.e., the second swivel base 6 at the rear end in the figure.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 4, the frame further includes two opposite lifting arms 5, and the two lifting arms 5 are respectively disposed below the first lifting cylinder 7 and the second lifting cylinder 9, a second beam 14 is disposed between the two lifting arms 5, two ends of the second beam 14 are respectively fixedly connected to the two lifting arms 5, and the second beam 14 is disposed opposite to the first beam 4. The left end and the right end of the two lifting arms 5 are respectively movably connected with the first rotating base 3 and the second rotating base 6, and when the first lifting oil cylinder 7 and the second lifting oil cylinder 9 stretch, the two second rotating bases 6 are driven to rotate around the right ends of the two lifting arms 5, so that the land leveling part 20 is driven to move up and down. Two ends of the main harrow 11 are respectively fixedly connected with the two second rotary bases 6, and when the first lifting oil cylinder 7 and the second lifting oil cylinder 9 stretch, the height of the main harrow 11 is lifted or lowered.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, a third hinge seat 28 is disposed on the second cross beam 14, and the other end of the tilting cylinder 15, i.e., the left end shown in fig. 3, is movably connected to the third hinge seat 28. Besides, an adjusting bolt 8 is arranged beside the second rotary seat 6, and the adjusting bolt 8 is used for adjusting the turning angle of the main rake 11.

The leveler of above-mentioned structure, the during operation, the left end links together through suspending agricultural machinery such as 1 and rotary cultivator, the rotary cultivator carries out the rotary tillage back, harrows the level earlier to bold clods through tooth harrow portion 13, then the level land portion 20 of rethread carries out meticulous harrow level to the cultivated face in soil, so that for subsequent seeding etc. provide strong condition, and the both ends of main harrow 11 still are equipped with the vice harrow of telescopic, can carry out real-time adjustment according to the width in soil, and the angle of main harrow 11 also can be adjusted according to the soil of difference. In addition, the rake part 13 can be opened or closed in real time according to the requirement, and the application is more convenient. Compared with the land leveller with the existing structure, the land leveller has the advantages of convenient application, better land levelness effect, effectively improved cultivation efficiency, lower production and use cost and the like.

In another aspect, the present invention further provides an agricultural machine, including a rotary cultivator and a grader connected to the rotary cultivator, wherein the grader is specifically the grader. The agricultural machine with the structure has the advantages of the land leveler correspondingly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A land leveler is characterized by comprising a rack, a rake part and a land leveling part, wherein the rake part and the land leveling part are arranged on the rack;

the rake tooth part comprises a turnover oil cylinder and a rake tooth beam, one end of the turnover oil cylinder is movably connected with the rack, the other end of the turnover oil cylinder is movably connected with the rake tooth beam, and the rake tooth beam is driven to turn around the rack when the turnover oil cylinder stretches;

the land leveling part comprises a lifting oil cylinder and a telescopic harrow plate, one end of the lifting oil cylinder is movably connected with the rack, the other end of the lifting oil cylinder is movably connected with the harrow plate, and the lifting oil cylinder drives the harrow plate to rise or fall when being stretched;

the land leveler further comprises a telescopic oil cylinder, two ends of the telescopic oil cylinder are connected with two ends of the harrow plate respectively, and the telescopic oil cylinder drives the harrow plate to stretch when stretching.

2. The grader of claim 1 wherein the rake plate comprises a horizontally disposed main rake and an auxiliary rake disposed at one or both ends of the main rake, the auxiliary rake being disposed within the main rake and movable back and forth within the main rake.

3. The grader according to claim 2, wherein the telescopic oil cylinder comprises a first telescopic oil cylinder and a second telescopic oil cylinder which are arranged on the main rake in a relative or parallel manner, the auxiliary rake comprises a first auxiliary rake arranged at one end of the main rake and a second auxiliary rake arranged at the other end of the main rake, one end of the first telescopic oil cylinder is connected with one end of the first auxiliary rake, one end of the second telescopic oil cylinder is connected with one end of the second auxiliary rake, the first auxiliary rake is driven to stretch when the first telescopic oil cylinder stretches, and the second auxiliary rake is driven to stretch when the second telescopic oil cylinder stretches.

4. The grader as in claim 3 wherein the rake beam has a first hinge mount for movably connecting to the frame and a second hinge mount for movably connecting to one end of the tilt cylinder, the tilt cylinder being retractable to drive the rake beam to rotate about the first hinge mount.

5. The grader as in claim 4 wherein said tine rake beam has a plurality of identically configured tines spaced apart from one another at regular intervals.

6. The grader according to claim 5, wherein the frame comprises two oppositely arranged first rotating seats and a first cross beam connected with the two first rotating seats at two ends, and the first cross beam is further provided with a connecting suspension.

7. The grader as in claim 6, wherein the frame further comprises two second swivel mounts disposed opposite to each other, the lift cylinder comprises a first lift cylinder and a second lift cylinder disposed opposite to each other, one end of the first lift cylinder is movably connected to one of the first swivel mounts, and the other end of the first lift cylinder is movably connected to one of the second swivel mounts;

one end of the second lifting oil cylinder is movably connected with the other first rotating base, and the other end of the second lifting oil cylinder is movably connected with the other second rotating base.

8. The grader of claim 7, wherein the frame further comprises two oppositely disposed lift arms, a second cross member disposed between the two lift arms, the second cross member disposed opposite the first cross member;

two ends of the two lifting arms are respectively movably connected with the first rotating seat and the second rotating seat;

the main rake is fixedly connected with the two second rotary seats respectively, and when the first lifting oil cylinder and the second lifting oil cylinder stretch, the two second rotary seats are driven to rotate around the two ends of the lifting arms, so that the main rake is driven to lift.

9. The grader according to claim 8, wherein a third hinge seat is arranged on the second cross beam, and the other end of the turnover cylinder is movably connected with the third hinge seat;

and an adjusting bolt is arranged beside the second rotating seat and is used for adjusting the turning angle of the main rake.

10. An agricultural machine comprising a rotary tiller and a grader connected to the rotary tiller, wherein the grader is as claimed in any one of claims 1 to 9.