Full electric control system of land leveler

Abstract

The utility model discloses a full-electric control system of a land leveler, belongs to the field of land leveler control, and solves the problems that the control mode of a traditional land leveler can distract the attention of a driver in the working process, and the driver is more prone to misoperation in complex and changeable control. The vehicle mainly comprises a vehicle body, a controller is arranged in the vehicle body, a left handle and a right handle are arranged on the vehicle body, rotary control seats are arranged at the bottoms of the left handle and the right handle, key modules are arranged on the left handle and the right handle, each key module comprises a hinged steering dial wheel, and the key modules and the rotary control seats are connected to the controller. The controller is connected with an angle sensor, a hydraulic lock switch and a parking brake switch, the angle sensor is fixed to the hinged position of a vehicle body, and the controller controls an electric control multi-way valve. The control system is mainly used for greatly improving the control comfort, reducing the labor intensity of a driver and improving the working efficiency and quality.

Description

Technical Field

[0001] The utility model relates to the field of grader control, in particular to a full-electric control system for a grader. Background Art

[0002] The blade of a motor grader can perform multi-dimensional actions such as lifting, translation, side swing and rotation. In actual work, it can adjust single or compound actions according to the on-site working conditions. In addition to the articulation and front and rear ripper, the motor grader needs to control many complex actions. The transmission motor grader control method matches a mechanical control handle for each action. The driver controls the corresponding action by adjusting the mechanical handle. In addition, the control process is accompanied by throttle control, machine steering and gear shifting. The distribution of these functions in the traditional motor grader cab is relatively scattered, which can easily distract the driver's attention during work, not only affecting the work effect but also increasing the driver's labor intensity. Utility Model Content

[0003] The purpose of the utility model is to provide a fully electronic control system for a grader to solve the problem that the control method of a traditional grader will distract the driver's attention during work, making it easier for the driver to make mistakes in complex and changeable controls.

[0004] The utility model is realized by the following technical solutions:

[0005] A fully electronic control system for a grader includes a vehicle body, a controller is arranged in the vehicle body, a left handle and a right handle are arranged on the vehicle body, the left handle and the right handle are used to send vehicle motion signals, a rotating control seat is arranged at the bottom of the left handle and the right handle, a key module is arranged on the left handle and the right handle, the key module includes an articulated steering dial, the key module and the rotating control seat are connected to the controller, the controller is connected to an angle sensor, a hydraulic lock switch and a parking brake switch, the angle sensor is fixed at the hinge of the vehicle body, the angle sensor is used to monitor the articulation angle of the front and rear frames, the controller controls an electronically controlled multi-way valve; the controller is connected to a GPS module, and the controller communicates with a cloud platform through the GPS module. The GPS module is used to locate the position of the vehicle and lock and unlock the vehicle; the electronically controlled multi-way valve is used to execute the vehicle motion control command. The parking brake switch is used to determine whether the vehicle can move according to the gear position and the driving direction.

[0006] Furthermore, the button module includes an angle adjustment switch, and the angle adjustment switch cooperates with the articulated steering dial.

[0007] Furthermore, the button module includes a gear key, and the gear key includes an FNR lever, an upshift key and a downshift key; the controller is electrically connected to a shift module; the FNR lever includes three gears, which are neutral, forward and reverse.

[0008] Furthermore, the button module includes a switching button, and the switching button includes a steering switching button, a front wheel control dial and a ripper switching button; a ripper is provided on the vehicle body, and the ripper is connected to the controller.

[0009] Furthermore, the button module includes a blade control button, and the blade control button includes a blade side swing dial, a blade tilt dial, and a blade rotation dial; a blade is provided on the vehicle body, and the blade is controlled by a rotating control seat.

[0010] Furthermore, the button module includes a speed control button and a speed adjustment switch, and the speed adjustment switch cooperates with the speed control button; the speed control button includes a speed increase button and a speed decrease button; and the controller is electrically connected to the engine speed module.

[0011] Furthermore, the controller is connected to a differential module and a parking module, the differential module includes a rear axle differential lock switch, and the rear axle differential lock switch is connected to a differential lock solenoid valve

[0012] Furthermore, the controller is electrically connected to a display for displaying the real-time current of the electric-controlled multi-way valve and the status of the entire motor grader.

[0013] Furthermore, the engine speed module includes an accelerator pedal, which is arranged on the vehicle body.

[0014] Furthermore, the button module includes a speaker button, and the speaker button is connected to the speaker.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a fully electronic control system for a grader. During the operation of the whole vehicle, the driver can complete all operations required in the operation process only through the electronic control handle, including the movement control of the whole vehicle and the adjustment of the blade posture. The controller communicates with the electronic control handle in real time, and converts the signal of the electronic control handle into the actual control of the whole vehicle in real time. The control process is smooth and the response is fast, which greatly improves the control comfort, reduces the labor intensity of the driver, and improves the work efficiency and quality.

[0017] The utility model realizes the function of automatically returning the articulated steering to the middle position through the combination of the multi-function key of the electric control handle and the articulated steering adjustment dial, thereby reducing the complexity of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a system block diagram of the utility model;

[0019] Figure 2 This is the front view of the left handle of the utility model;

[0020] Figure 3 It is a rear view of the left handle of the utility model;

[0021] Figure 4 This is the front view of the right handle of the utility model;

[0022] Figure 5 It is a rear view of the right handle of the utility model;

[0023] Figure 6 It is a wiring schematic diagram of the controller of the utility model.

[0024] In the figure: 1. Horn button; 2. Angle adjustment switch; 3. Articulated steering dial; 4. Upshift button; 5. Downshift button; 6. FNR lever; 7. Steering switch button; 8. Front wheel control dial; 9. Blade rotation dial; 10. Blade tilt dial; 11. Speed ​​increase button; 12. Speed ​​decrease button; 13. Blade side swing dial; 14. Speed ​​adjustment switch; 15. Scarifier switch button; 16. Reserve button. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the creation of the present invention.

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] Embodiment 1: A fully electronic control system for a grader, such as Figure 1The vehicle comprises a vehicle body, a controller is arranged in the vehicle body, a left handle and a right handle are arranged on the vehicle body, the left handle and the right handle are used to send the vehicle motion signal, a rotating control seat is arranged at the bottom of the left handle and the right handle, a key module is arranged on the left handle and the right handle, the key module comprises an articulated steering dial wheel 3, the key module and the rotating control seat are connected to the controller, the controller is connected to an angle sensor, a hydraulic lock switch and a parking brake switch, the angle sensor is fixed at the hinge of the vehicle body, the angle sensor is used to monitor the articulation angle of the front and rear frames, the controller controls an electric control multi-way valve; the controller is connected to a GPS module, and the controller communicates with a cloud platform through the GPS module. The GPS module is used to locate the position of the vehicle and lock and unlock the vehicle; the electric control multi-way valve is used to execute the vehicle motion control command. The parking brake switch is used to determine whether the vehicle can move according to the gear position and the driving direction. The GPS module can locate the position of the whole machine, and can also issue locking and unlocking instructions to the whole machine through the GPS module on the cloud platform. The controller outputs the engine speed control instructions after parsing according to different instructions to complete the locking and unlocking operations. The vehicle body is also provided with a brake pressure sensor for monitoring the parking brake pressure.

[0028] When the hydraulic lock switch is in the off state, push the articulated steering dial wheel 3 to the left and the vehicle will articulate and steer to the right, and push the articulated steering dial wheel 3 to the right and the vehicle will articulate and steer to the left; while pressing the angle adjustment switch 2, push the articulated steering dial wheel 3 at will, and the controller will determine the current articulation state of the whole machine according to the measurement value of the angle sensor. If the whole machine is articulated on the left side at this time, the controller outputs current to control the whole vehicle to articulate and steer to the right, otherwise it will articulate and steer to the left. When the vehicle is articulated in the middle position, the output current is stopped; when the hydraulic lock switch is in the on state, this function is turned off.

[0029] When the hydraulic lock switch is turned on, the vehicle's movement will maintain the current state and will no longer follow the signals of the left and right handles. When the hydraulic lock switch is turned off, the left and right handles will resume control of the vehicle's movement. When the parking brake switch is on, the vehicle is in the parking brake state. At this time, the gearbox always remains in neutral and will no longer follow the left and right handle signals to execute actions such as switching the driving direction and changing the gear position. When the parking brake switch is off, the electronic control handle will resume control of the gearbox.

[0030] When the hydraulic lock switch is in the off state, push the right handle to the left and the blade moves to the left, push the right handle to the right and the blade moves to the right; when the hydraulic lock switch is in the on state, this function is turned off.

[0031] When the blade rotates left or right: when the hydraulic lock switch is in the off state, push the blade rotation dial wheel 9 upwards and the blade rotates left, push the blade rotation dial wheel 9 downwards and the blade rotates right; when the hydraulic lock switch is in the on state, this function is turned off.

[0032] When the blade tilts forward or backward: When the hydraulic lock switch is in the off state, push the blade tilt angle dial wheel 10 upwards to tilt the blade forward, and push the blade tilt angle dial wheel 10 downwards to tilt the blade backward; when the hydraulic lock switch is in the on state, this function is turned off.

[0033] When the blade swings to the left or right: when the hydraulic lock switch is in the off state, push the blade side swing dial wheel 13 to the left, the blade swings to the left, push the blade side swing dial wheel 13 to the right, the blade swings to the right; when the hydraulic lock switch is in the on state, this function is turned off.

[0034] When the left side of the blade rises or falls: when the hydraulic lock switch is in the off state, push the left handle forward to lower the left side of the blade, and pull the left handle backward to raise the left side of the blade; when the hydraulic lock switch is in the on state, this function is turned off.

[0035] When the right side of the blade rises or falls: when the hydraulic lock switch is in the off state, push the right handle forward to lower the right side of the blade, and pull the right handle backward to raise the right side of the blade; when the hydraulic lock switch is in the on state, this function is turned off.

[0036] Embodiment 2: A fully electronic control system for a grader, such as Figure 2-Figure 6 As shown, the key module includes a gear key, and the gear key includes an FNR lever 6, an upshift key 4 and a downshift key 5; the controller is electrically connected to a shift module; the FNR lever 6 includes three gears, which are neutral, forward and reverse. When the FNR lever 6 is in the middle position, the vehicle is in a neutral state; when the FNR lever 6 is moved forward, the vehicle moves forward, and at this time, the upshift key 4 and the downshift key 5 can be pressed to shift up and down between the F1-F8 gears; when the FNR lever 6 is moved backward, the vehicle moves backward, and at this time, the upshift key 4 and the downshift key 5 can be pressed to shift up and down between the R1-R4 gears. The key module also includes a reserved key 16 to facilitate the subsequent expansion of new functions.

[0037] The button module includes a switching button, which includes a steering switch button 7, a front wheel control dial 8 and a ripper switching button 15; the vehicle body is provided with a ripper, which is connected to the controller. When the ripper rises and falls: when the hydraulic lock switch is in the off state, the ripper falls when the ripper switching button 15 is pressed and the right handle is pushed forward, and the ripper rises when the ripper switching button 15 is pressed and the right handle is pulled back; when the hydraulic lock switch is in the on state, this function is turned off. When the hydraulic lock switch is in the off state, the front wheel tilts to the left by turning the front wheel control dial 8, and the front wheel tilts to the right by turning the front wheel control dial 8; when the hydraulic lock switch is in the on state, this function is turned off. When the hydraulic lock switch is in the off state, the front wheel turns left by pressing the steering switch button 7 and the left handle is turned left at the same time, and the front wheel turns right by pressing the steering switch button 7 and the left handle is turned right at the same time; when the hydraulic lock switch is in the on state, this function is turned off.

[0038] The button module includes a blade control button, and the blade control button includes a blade side swing dial wheel 13, a blade tilt dial wheel 10, and a blade rotation dial wheel 9; a blade is provided on the vehicle body, and the blade is controlled by a rotating control seat.

[0039] The button module includes a speed control button, and the speed control button includes a speed increase button 11 and a speed decrease button 12; the controller is electrically connected to the engine speed module; the engine speed module includes an accelerator pedal, and the accelerator pedal is set on the vehicle body. When the whole machine is in the starting state, press the speed adjustment switch 14 on the right handle, and then press the speed increase button 11, the engine speed can be increased according to a fixed value based on the current engine speed, but the engine speed will not be higher than the maximum speed, and press the speed decrease button 12, the engine speed can be reduced according to a fixed value based on the current engine speed, but the engine speed will not be lower than the idle value. When the accelerator pedal and the right handle control the speed at the same time, the higher value of the requested speed of the two is taken as the actual speed value.

[0040] The controller is electrically connected to a display.

[0041] The controller is connected to a differential module and a parking module, the differential module includes a rear axle differential lock switch, and the rear axle differential lock switch is connected to a differential lock solenoid valve; when the rear axle differential lock switch is in an on state, the gear is in a gear range that allows differential opening, and the differential lock pressure is in a normal range, a signal is output to the rear axle differential lock solenoid valve to open the rear axle differential lock and lock the rear axle differential function; if the gear or pressure range does not meet the differential lock opening conditions, the differential lock is not opened, and the display makes a corresponding prompt; when the rear axle differential lock switch is in a closed state, no signal is output to the rear axle differential lock solenoid valve, and the rear axle differential lock is not opened.

[0042] When the parking brake switch is in the on state and the brake pressure is within the normal range, a signal is output to the parking brake solenoid valve to turn on the parking brake. If the brake pressure is not within the normal range, no signal is output to the parking brake solenoid valve, and the display makes a corresponding alarm prompt; when the parking brake switch is in the off state, no signal is output to the parking brake solenoid valve, and the parking brake is not turned on.

[0043] The button module includes a speaker button 1, and the speaker button 1 is connected to the speaker.

[0044] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A fully electronic control system for a motor grader, comprising a vehicle body, a controller disposed in the vehicle body, characterized in that: The vehicle body is provided with a left handle and a right handle, the bottom of the left handle and the right handle are both provided with a rotary control seat, the left handle and the right handle are both provided with a key module, the key module comprises an articulated steering dial wheel (3), the key module and the rotary control seat are both connected to a controller, the controller is connected to an angle sensor, a hydraulic lock switch and a parking brake switch, the angle sensor is fixed at the hinge of the vehicle body, the controller controls an electric control multi-way valve; the controller is connected to a GPS module, and the controller communicates with a cloud platform via the GPS module.

2. The fully electronic control system for a motor grader according to claim 1, characterized in that: The key module comprises an angle adjustment switch (2), and the angle adjustment switch (2) cooperates with the articulated steering dial (3).

3. The fully electronic control system for a motor grader according to claim 1, characterized in that: The key module comprises a gear key, and the gear key comprises an FNR lever (6), an upshift key (4) and a downshift key (5); the controller is electrically connected to the gear shift module; the FNR lever (6) comprises three gears, and the three gears are respectively a neutral gear, a forward gear and a reverse gear.

4. The fully electronic control system for a motor grader according to claim 1, characterized in that: The key module comprises a switching key, and the switching key comprises a steering switching key (7), a front wheel control dial (8) and a tiller switching key (15); the vehicle body is provided with a tiller, and the tiller is connected to the controller.

5. The fully electronic control system for a motor grader according to claim 1, characterized in that: The key module comprises a blade control key, and the blade control key comprises a blade side swing dial (13), a blade tilt dial (10), and a blade rotation dial (9); a blade is provided on the vehicle body, and the blade is controlled by a rotating control seat.

6. The fully electronic control system for a motor grader according to claim 1, characterized in that: The button module comprises a speed control button and a speed regulating switch (14), and the speed regulating switch (14) cooperates with the speed control button; the speed control button comprises a speed increase button (11) and a speed decrease button (12); and the controller is electrically connected to the engine speed module.

7. The fully electronic control system for a motor grader according to claim 1, characterized in that: The controller is connected to a differential module and a parking module, the differential module includes a rear axle differential lock switch, and the rear axle differential lock switch is connected to a differential lock solenoid valve.

8. The fully electronic control system for a motor grader according to claim 1, characterized in that: The controller is electrically connected to a display.

9. The fully electronic control system for a motor grader according to claim 6, characterized in that: The engine speed module comprises an accelerator pedal, which is arranged on the vehicle body.

10. The fully electronic control system for a motor grader according to claim 1, characterized in that: The button module comprises a speaker button (1), and the speaker button (1) is connected to the speaker.

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