Control system and agricultural machine

Abstract

The utility model provides a control system which is used for agricultural machinery and comprises a hydraulic system, a handle and an air pressure system, the hydraulic system and the air pressure system are respectively connected with the handle, and when the handle is operated, the hydraulic system and the air pressure system can be controlled to act. The hydraulic system comprises a hydraulic valve, the hydraulic valve is connected with the handle, and the handle can control the station of the hydraulic valve; the air pressure system comprises a reversing valve, the reversing valve is connected with the handle, and the handle can control the station of the reversing valve. According to the control system of the structure, the hydraulic system and the air pressure system of the agricultural machine can be controlled through one handle, the traditional operation mode that the hydraulic system and the air pressure system are controlled through at least two handles is changed, and generally, the control system has the advantages of being more reasonable in structural design, more convenient to operate and small in operation intensity. In addition, the utility model further provides an agricultural machine comprising the control system.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to a control system and an agricultural machine. Background Art

[0002] In recent years, with the continuous development of economy and technology, various agricultural machines, such as tractors, have been more and more widely used in agricultural production activities.

[0003] On the currently commonly used tractors, there are usually a hydraulic system and a pneumatic system, and the two systems are relatively independent. In terms of operation, usually two or more joysticks are set, one for controlling the hydraulic system and one for controlling the pneumatic system. During the operation, when simultaneous operation is required, one tends to be flustered and prone to errors. Moreover, it is usually necessary to move the joystick back and forth, with a large operating intensity, time-consuming and laborious.

[0004] In summary, how to provide a control system with a more reasonable structural design, more convenient operation and less operating intensity, as well as an agricultural machine including this control system, has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is: to provide a control system with a more reasonable structural design, more convenient operation and less operating intensity, as well as an agricultural machine including this control system.

[0006] The solution of the utility model is realized as follows: The utility model provides a control system for an agricultural machine, including a hydraulic system, a handle and a pneumatic system. The hydraulic system and the pneumatic system are respectively connected to the handle. When the handle is operated, the hydraulic system and the pneumatic system can be controlled to act. The hydraulic system includes a hydraulic valve, and the hydraulic valve is connected to the handle. The handle can control the working position of the hydraulic valve. The pneumatic system includes a reversing valve, and the reversing valve is connected to the handle. The handle can control the working position of the reversing valve. The hydraulic system and the pneumatic system of the agricultural machine are controlled, changing the traditional operation mode of at least using two handles to respectively control the hydraulic system and the pneumatic system. Generally speaking, it has the advantages of more reasonable structural design, more convenient operation and less operating intensity.

[0007] Another technical solution of the utility model is that on the basis of the above, there are several buttons on the handle. The buttons include a first button and a second button arranged on one side of the first button. The first button and the second button are used to control the hydraulic system.

[0008] Another technical solution of the present utility model lies in that on the basis of the above, the button further includes a third button disposed on the other side of the first button, and a fourth button is further provided on one side of the third button. The third button and the fourth button are used to control the pneumatic system.

[0009] Another technical solution of the present utility model lies in that on the basis of the above, the hydraulic system includes an oil cylinder and a solenoid valve, and the oil cylinder is communicated with the solenoid valve.

[0010] Another technical solution of the present utility model lies in that on the basis of the above, the solenoid valve is a three-position four-way electromagnetic reversing valve.

[0011] Another technical solution of the present utility model lies in that on the basis of the above, the hydraulic system further includes a gear pump and an oil tank. One end of the gear pump is communicated with the oil tank, and the other end of the gear pump is communicated with the solenoid valve.

[0012] Another technical solution of the present utility model lies in that on the basis of the above, the pneumatic system includes a reversing valve and a cylinder, and the cylinder is communicated with the reversing valve.

[0013] Another technical solution of the present utility model lies in that on the basis of the above, the pneumatic system further includes an air compressor for providing compressed gas. The air compressor is communicated with the reversing valve, and the reversing valve is a two-position five-way electromagnetic reversing valve.

[0014] Another technical solution of the present utility model lies in that on the basis of the above, the pneumatic system further includes an air storage tank for storing compressed gas. The air storage tank is disposed between the air compressor and the reversing valve and is respectively communicated with the air compressor and the reversing valve.

[0015] In addition, the present utility model also provides an agricultural machine, including a control system, and the control system is the control system as described above. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 1 It is a working principle diagram of a control system of the present utility model.

[0018] The corresponding relationship of the reference numerals is as follows:

[0019] 1 oil tank 2 filter 3 gear pump

[0020] 4 oil pressure gauge 5 hydraulic valve 6 oil cylinder

[0021] 7 handle 8 cylinder 9 reversing valve

[0022] 10 Barometer, 11 Air storage cylinder, 12 Check valve

[0023] 13 Air compressor, 14 First button, 15 Second button

[0024] 16 Third button, 17 Fourth button Detailed implementation mode

[0025] The present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and shall not have any restrictive effect on the protection scope of the present utility model. In addition, those skilled in the art can make corresponding combinations of the features in the embodiments and different embodiments in this document according to the description of this document.

[0026] The embodiments of the present utility model are as follows. Please refer to Figure 1 The shown control system is used for agricultural machinery and specifically includes a hydraulic system, a handle 7 and a pneumatic system. The hydraulic system and the pneumatic system are respectively connected to the handle 7. When the handle 7 is operated, the actions of the hydraulic system and the pneumatic system can be controlled. More specifically, the hydraulic system includes a hydraulic valve 5, and the hydraulic valve 5 is connected to the handle 7. The handle 7 can control the working position of the hydraulic valve 5. The pneumatic system includes a directional control valve 9, and the directional control valve 9 is connected to the handle 7. Similarly, through the handle 7, the working position of the directional control valve 9 can be controlled. Compared with the existing operating system with this structure, this control system can control the hydraulic system and the pneumatic system of the agricultural machinery through one handle 7, changing the traditional operation mode of at least using two handles 7 to control the hydraulic system and the pneumatic system respectively. Generally, it has the advantages of more reasonable structural design, more convenient operation, and less operation intensity.

[0027] On the basis of the above embodiments, in another embodiment of the present utility model, as Figure 1 shown, several buttons are also provided on the handle 7. The several buttons respectively include a first button 14 and a second button 15 arranged on one side of the first button 14. The first button 14 and the second button 15 are used to control the related actions of the hydraulic system.

[0028] On the basis of the above embodiments, in another embodiment of the present utility model, as Figure 1 shown, the button also includes a third button 16 arranged on the other side of the first button 14, and a fourth button 17 is also arranged on one side of the third button 16. The third button 16 and the fourth button 17 are used to control the related actions of the pneumatic system.

[0029] On the basis of the above embodiments, in another embodiment of the present utility model, as Figure 1As shown in the figure, the hydraulic system includes a hydraulic cylinder 6 and a solenoid valve. The hydraulic cylinder 6 is connected to the solenoid valve. By switching the working position of the solenoid valve, the action of the hydraulic cylinder 6 can be changed in real time.

[0030] Based on the above embodiment, in another embodiment of the present utility model, as Figure 1 shown, for the solenoid valve, it is preferably a three-position four-way electromagnetic directional valve 9. In addition, the hydraulic system further includes an oil pressure gauge 4, which is arranged on the hydraulic pipeline for monitoring the pressure of the hydraulic oil.

[0031] Based on the above embodiment, in another embodiment of the present utility model, as Figure 1 shown, the hydraulic system further includes a gear pump 3 and a fuel tank 1. One end of the gear pump 3, that is, the lower end shown in the figure, is connected to the fuel tank 1, and the other end of the gear pump 3, that is, the upper end shown in the figure, is connected to the solenoid valve. Through the gear pump 3, pressure oil is provided for the solenoid valve, thereby driving the hydraulic cylinder 6 to act. In addition, the hydraulic system further includes a filter 2 for filtering the hydraulic oil, and the filter 2 is arranged between the fuel tank 1 and the gear pump 3.

[0032] Based on the above embodiment, in another embodiment of the present utility model, as Figure 1 shown, the pneumatic system includes a directional valve 9 and a cylinder 8. The cylinder 8 is connected to the directional valve 9. By switching the working position of the directional valve 9, the action of the cylinder 8 can be changed in real time.

[0033] Based on the above embodiment, in another embodiment of the present utility model, as Figure 1 shown, the pneumatic system further includes an air compressor 13 for providing compressed gas. The air compressor 13 is connected to the directional valve 9 to provide compressed gas for the directional valve 9. For the directional valve 9, it is preferably a two-position five-way electromagnetic directional valve 9. In addition, a pressure gauge 10 is provided in the pneumatic system, and the pressure gauge 10 is arranged on the pneumatic pipeline for monitoring the gas pressure in real time.

[0034] Based on the above embodiment, in another embodiment of the present utility model, as Figure 1 shown, the pneumatic system further includes an air storage tank 11 for storing compressed gas. The air storage tank 11 is arranged between the air compressor 13 and the directional valve 9 and is respectively connected to the air compressor 13 and the directional valve 9. In addition, a one-way valve 12 is provided between the air storage tank 11 and the compressor.

[0035] For the control system with the above structure, by setting four buttons on a handle 7, the hydraulic system and the pneumatic system of the agricultural machinery can be controlled respectively, which changes the traditional operation mode of controlling the hydraulic system and the pneumatic system by at least two handles 7 respectively. Therefore, it has the advantages of more reasonable structural design, more convenient operation and less operation intensity.

[0036] On the other hand, the present utility model also provides an agricultural machine, including a control system, which is specifically the control system described above. More specifically, the agricultural machine is preferably a tractor.

[0037] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A control system for agricultural machinery, characterized in that, It includes a hydraulic system, a handle, and a pneumatic system. The hydraulic system and the pneumatic system are respectively connected to the handle. When the handle is operated, the actions of the hydraulic system and the pneumatic system can be controlled. The hydraulic system includes a hydraulic valve, and the hydraulic valve is connected to the handle. The handle can control the working position of the hydraulic valve. The pneumatic system includes a directional control valve, and the directional control valve is connected to the handle. The handle can control the working position of the directional control valve.

2. The control system according to claim 1, characterized in that There are several buttons on the handle. The buttons include a first button and a second button arranged on one side of the first button. The first button and the second button are used to control the hydraulic system.

3. The control system according to claim 2, characterized in that, The buttons further include a third button arranged on the other side of the first button, and a fourth button is also arranged on one side of the third button. The third button and the fourth button are used to control the pneumatic system.

4. The control system according to claim 3, wherein The hydraulic system includes an oil cylinder and a solenoid valve, and the oil cylinder is communicated with the solenoid valve.

5. The control system according to claim 4, wherein The solenoid valve is a three-position four-way electromagnetic directional control valve.

6. The control system according to claim 5, characterized in that, The hydraulic system further includes a gear pump and a fuel tank. One end of the gear pump is communicated with the fuel tank, and the other end of the gear pump is communicated with the solenoid valve.

7. The control system according to claim 6, characterized in that, The pneumatic system includes a directional control valve and a cylinder, and the cylinder is communicated with the directional control valve.

8. The control system according to claim 7, characterized in that, The pneumatic system further includes an air compressor for providing compressed gas. The air compressor is communicated with the directional control valve. The directional control valve is a two-position five-way electromagnetic directional control valve.

9. The control system according to claim 8, characterized in that, The pneumatic system further includes an air storage tank for storing compressed gas. The air storage tank is arranged between the air compressor and the directional control valve and is respectively communicated with the air compressor and the directional control valve.

10. An agricultural machine, comprising a control system, characterized in that, The control system is the control system according to any one of claims 1 to 9.

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