Land leveler and agricultural machinery

Abstract

The utility model provides a land leveler and agricultural machinery, the land leveler comprises a horizontally arranged cross beam, one end of the cross beam is provided with a first vertical beam, the other end of the cross beam is provided with a second vertical beam, one end of the first vertical beam is provided with a telescopic piece, one end of the second vertical beam is provided with a swing arm, and the swing arm is provided with a swing rod. One end of the swing arm is movably connected with one end of the second vertical beam, and one end of the telescopic piece is movably connected with the swing arm; a scraping plate is further arranged at the other end of the second vertical beam, and the scraping plate is rotatably arranged at the end part of the second vertical beam; the land leveler further comprises a connecting arm, one end of the connecting arm is movably connected with the other end of the swing arm, the other end of the connecting arm is movably connected with the scraper, and when the telescopic piece stretches out and draws back, the scraper can be driven to rotate around the end of the second vertical beam. The land leveler with the structure has the advantages of being high in land leveling efficiency, simple and practical in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to a land grader and agricultural machinery. Background Art

[0002] In recent years, with the continuous development of economy and technology, various types of agricultural machinery, such as graders, have been more and more widely used in agricultural production activities, greatly improving production efficiency.

[0003] When in use, the grader is usually installed at one end of the tractor, with the tractor as the power mechanism. When the tractor moves forward, it drives the grader to work and effectively level the land. The graders widely used at present have many shortcomings, such as complex structure and high cost; or the body is bulky and inconvenient to use; or the leveling efficiency is low.

[0004] Therefore, how to provide a grader with simple and practical structure, convenient use, and high land leveling efficiency, and agricultural machinery including the grader, has become a technical problem that technical personnel in this field need to solve urgently. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a land leveler which has a simple and practical structure, is relatively convenient to use and has high land leveling efficiency, and an agricultural machine comprising the land leveler.

[0006] The solution of the utility model is achieved as follows: the utility model proposes a grader, comprising a horizontally arranged cross beam, one end of the cross beam is provided with a first vertical beam, the other end of the cross beam is provided with a second vertical beam, one end of the first vertical beam is provided with a telescopic member, one end of the second vertical beam is provided with a swing arm, one end of the swing arm is movably connected to one end of the second vertical beam, and one end of the telescopic member is movably connected to the swing arm; the other end of the second vertical beam is also provided with a scraper, and the scraper is rotatably arranged at the end of the second vertical beam; the grader also includes a connecting arm, one end of the connecting arm is movably connected to the other end of the swing arm, and the other end of the connecting arm is movably connected to the scraper, and when the telescopic member is extended and retracted, it can drive the scraper to rotate around the end of the second vertical beam. In the motor grader of this structure, when the telescopic part is extended and retracted, the scraper can realize 180-degree flipping around the end of the second vertical plate under the action of the swing arm and the connecting arm. Therefore, when working on the flat ground, the land can be leveled both in the forward and backward processes. Compared with the motor grader of the existing structure, it has the advantage of high land leveling efficiency. At the same time, it also has the advantages of simple and practical structure and convenient use.

[0007] Another technical solution of the utility model is that on the basis of the above, the telescopic member is a cylinder, one end of the cylinder is connected to one end of the first vertical beam, and the other end of the cylinder is connected between the two ends of the swing arm.

[0008] Another technical solution of the utility model is that on the basis of the above, a first connecting shaft and a first hinge shaft are respectively provided at both ends of the first vertical beam, one end of the oil cylinder is connected to the first hinge shaft, and a second connecting shaft is also provided between the first connecting shaft and the first hinge shaft.

[0009] Another technical solution of the utility model is that on the basis of the above, a second hinge shaft and a third hinge shaft are respectively provided at both ends of the swing arm, one end of the swing arm is connected to the end of the second vertical beam through the second hinge shaft, and the other end of the swing arm is connected to one end of the connecting arm through the third hinge shaft.

[0010] Another technical solution of the utility model is that on the basis of the above, a third connecting shaft is further provided between the two ends of the swing arm, and one end of the oil cylinder is connected to the swing arm through the third connecting shaft.

[0011] Another technical solution of the utility model is that on the basis of the above, a fourth hinge shaft is further provided at the other end of the connecting arm, and the connecting arm is connected to the scraper through the fourth hinge shaft.

[0012] Another technical solution of the utility model is that on the basis of the above, a fifth hinge shaft is further provided at one end of the second vertical beam away from the second hinge shaft, and the second vertical beam is connected to the scraper through the fifth hinge shaft.

[0013] Another technical solution of the utility model is that on the basis of the above, both the swing arm and the connecting arm are provided with a bending portion.

[0014] In addition, the utility model also proposes an agricultural machinery, including a tractor and a grader, wherein a suspension device is provided at one end of the tractor, and the grader is detachably arranged on the suspension device, and the grader is the grader as described above.

[0015] Another technical solution of the utility model is that on the basis of the above, the suspension device includes a first connecting rod and a second connecting rod that are relatively arranged, and one end of the first connecting rod and the second connecting rod are respectively connected to two ends of the first vertical beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] Figure 1This is a schematic diagram of the structure of an agricultural machinery of the utility model;

[0018] Figure 2 for Figure 1 The structural diagram of the motor grader in working state;

[0019] Figure 3 for Figure 2 Schematic diagram of another working state of the motor grader.

[0020] 1 Tractor

[0021] 2Grader 21First connecting shaft 22Second connecting shaft

[0022] 23 first hinge shaft 24 oil cylinder 25 swing arm

[0023] 26 second hinge shaft 27 third hinge shaft 28 scraper

[0024] 29 Fourth hinge axis

[0025] 30 fifth hinge shaft 31 connecting arm 32 third connecting shaft

[0026] 33 horizontal beam 34 first vertical beam 35 second vertical beam

[0027] 4 Suspension device

[0028] 41 first connecting rod 42 second connecting rod DETAILED DESCRIPTION

[0029] The present invention is described in detail below in conjunction with the accompanying drawings. The description in this section is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention. In addition, those skilled in the art can make corresponding combinations of the features in the embodiments and in different embodiments of the present invention according to the description of this document.

[0030] The utility model embodiments are as follows, see Figures 1 to 3 The grader and agricultural machinery shown in the figure, for the grader, specifically, include a horizontally arranged crossbeam 33, one end of the crossbeam 33, i.e. Figure 2 and Figure 3The left end shown in the figure is provided with a first vertical beam 34, the other end of the cross beam 33, that is, the right end shown in the figure, is provided with a second vertical beam 35, one end of the first vertical beam 34, that is, the upper end shown in the figure, is provided with a telescopic member, one end of the second vertical beam 35, that is, the upper end shown in the figure, is provided with a swing arm 25, one end of the swing arm 25, that is, the right end shown in the figure, is movably connected to one end of the second vertical beam 35, that is, its upper end, and one end of the telescopic member, that is, the right end shown in the figure, is movably connected to the swing arm 25. The other end of the second vertical beam 35, that is, the lower end shown in the figure, is also provided with a scraper 28, which is rotatably arranged at the end of the second vertical beam 35. The grader also includes a connecting arm 31, one end of the connecting arm 31, that is, the upper end shown in the figure, is movably connected to the other end of the swing arm 25, that is, the lower end shown in the figure, and the other end of the connecting arm 31, that is, the lower end shown in the figure, is movably connected to the scraper 28. When the telescopic member is extended and retracted, the scraper 28 can be driven to rotate around the lower end of the second vertical beam 35. In the motor grader of this structure, when the telescopic part is extended and retracted, the scraper 28 can be turned 180 degrees around the end of the second vertical plate under the action of the swing arm 25 and the connecting arm 31. Therefore, when working on the flat ground, the land can be leveled both in the forward and backward processes. Compared with the motor grader of the existing structure, it has the advantage of high land leveling efficiency. At the same time, it also has the advantages of simple structure, practicality and convenient use.

[0031] Based on the above embodiment, in another embodiment of the utility model, as Figure 2 and Figure 3 As shown, the telescopic member is a cylinder 24, one end of the cylinder 24, that is, the left end shown in the figure is connected to one end of the first vertical beam 34, that is, the upper end, and the other end of the cylinder 24, that is, the right end shown in the figure is connected between the two ends of the swing arm 25, that is, the middle position thereof.

[0032] Based on the above embodiment, in another embodiment of the utility model, as Figure 2 and Figure 3 As shown, the first vertical beam 34 is provided with a first connecting shaft 21 and a first hinge shaft 23 at the upper and lower ends respectively, one end of the oil cylinder 24, i.e., its left end is connected to the first hinge shaft 23, and a second connecting shaft 22 is also provided between the first connecting shaft 21 and the first hinge shaft 23.

[0033] Based on the above embodiment, in another embodiment of the utility model, as Figure 2 and Figure 3 As shown, a second hinge shaft 26 and a third hinge shaft 27 are respectively provided at both ends of the swing arm 25. One end of the swing arm 25, i.e., the right end shown in the figure, is connected to the upper end portion of the second vertical beam 35 through the second hinge shaft 26, and the other end of the swing arm 25, i.e., its left end, is connected to one end of the connecting arm 31, i.e., the upper end portion, through the third hinge shaft 27.

[0034] Based on the above embodiment, in another embodiment of the utility model, as Figure 2 and Figure 3 As shown, a third connecting shaft 32 is provided between the two ends of the swing arm 25 , and the right end of the oil cylinder 24 is connected to the swing arm 25 via the third connecting shaft 32 . When the oil cylinder 24 is extended or retracted, the left end of the swing arm 25 is driven to rotate around the upper end of the second vertical beam 35 .

[0035] Based on the above embodiment, in another embodiment of the utility model, as Figure 2 and Figure 3 As shown, the other end of the connecting arm 31 is further provided with a fourth hinge shaft 29 , and the other end of the connecting arm 31 , ie, the lower end shown in the figure, is connected to the scraper 28 via the fourth hinge shaft 29 .

[0036] Based on the above embodiment, in another embodiment of the utility model, as Figure 2 and Figure 3 As shown, the end of the second vertical beam 35 away from the second hinge shaft 26 , namely the lower end shown in the figure, is also provided with a fifth hinge shaft 30 , and the second vertical beam 35 is connected to the scraper 28 via the fifth hinge shaft 30 .

[0037] Based on the above embodiment, in another embodiment of the utility model, as Figures 1 to 3 As shown, both the swing arm 25 and the connecting arm 31 are provided with a bending portion.

[0038] In addition, if Figure 1 As shown, the utility model further proposes an agricultural machine, including a tractor 1 and a grader 2. A suspension device 4 is provided at one end of the tractor 1. The grader 2 is detachably arranged on the suspension device 4. The grader 2 is the grader described above.

[0039] Based on the above embodiment, in another embodiment of the utility model, as Figure 1 As shown, the suspension device 4 includes a first connecting rod 41 and a second connecting rod 42 which are arranged opposite to each other. One end of the first connecting rod 41 and the second connecting rod 42, namely the right end shown in the figure, is connected to the upper and lower ends of the first vertical beam 34 respectively.

[0040] The agricultural machinery of this structure correspondingly has the advantages possessed by the above-mentioned grader.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A motor grader, characterized in that: It comprises a horizontally arranged cross beam, one end of the cross beam is provided with a first vertical beam, the other end of the cross beam is provided with a second vertical beam, one end of the first vertical beam is provided with a telescopic member, one end of the second vertical beam is provided with a swing arm, one end of the swing arm is movably connected to one end of the second vertical beam, and one end of the telescopic member is movably connected to the swing arm; A scraper is also provided at the other end of the second vertical beam, and the scraper is rotatably arranged at the end of the second vertical beam; The grader also includes a connecting arm, one end of which is movably connected to the other end of the swing arm, and the other end of the connecting arm is movably connected to the scraper. When the telescopic member is extended or retracted, the scraper can be driven to rotate around the end of the second vertical beam.

2. The motor grader according to claim 1, characterized in that: The telescopic member is an oil cylinder, one end of which is connected to one end of the first vertical beam, and the other end of which is connected to two ends of the swing arm.

3. The motor grader according to claim 2, characterized in that: A first connecting shaft and a first hinge shaft are respectively disposed at both ends of the first vertical beam, one end of the oil cylinder is connected to the first hinge shaft, and a second connecting shaft is further disposed between the first connecting shaft and the first hinge shaft.

4. The motor grader according to claim 3, characterized in that: A second hinge shaft and a third hinge shaft are respectively provided at both ends of the swing arm, one end of the swing arm is connected to the end of the second vertical beam through the second hinge shaft, and the other end of the swing arm is connected to one end of the connecting arm through the third hinge shaft.

5. The motor grader according to claim 4, characterized in that: A third connecting shaft is also provided between the two ends of the swing arm, and one end of the oil cylinder is connected to the swing arm through the third connecting shaft.

6. The motor grader according to claim 5, characterized in that: A fourth hinge shaft is also provided at the other end of the connecting arm, and the connecting arm is connected to the scraper via the fourth hinge shaft.

7. The motor grader according to claim 6, characterized in that: A fifth hinge shaft is further provided at one end of the second vertical beam away from the second hinge shaft, and the second vertical beam is connected to the scraper via the fifth hinge shaft.

8. The motor grader according to claim 7, characterized in that: The swing arm and the connecting arm are both provided with bending parts.

9. An agricultural machine, comprising a tractor and a grader, wherein one end of the tractor is provided with a suspension device, and the grader is detachably arranged on the suspension device, characterized in that: The motor grader is the motor grader according to any one of claims 1 to 8.

10. The agricultural machine according to claim 9, characterized in that: The suspension device comprises a first connecting rod and a second connecting rod which are arranged opposite to each other, and one end of the first connecting rod and the second connecting rod are respectively connected to two ends of the first vertical beam.

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