CN115158460A - Steering angle display system of loader and control method - Google Patents
Steering angle display system of loader and control method Download PDFInfo
- Publication number
- CN115158460A CN115158460A CN202210978257.9A CN202210978257A CN115158460A CN 115158460 A CN115158460 A CN 115158460A CN 202210978257 A CN202210978257 A CN 202210978257A CN 115158460 A CN115158460 A CN 115158460A
- Authority
- CN
- China
- Prior art keywords
- loader
- steering angle
- steering
- display area
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/021—Determination of steering angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/029—Steering assistants using warnings or proposing actions to the driver without influencing the steering system
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/205—Remotely operated machines, e.g. unmanned vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention relates to a loader steering angle display system, which comprises: an angle sensor for detecting a steering angle of the loader; a controller for analyzing the angle sensor data and calculating the steering state of the loader; and the steering angle display device is used for displaying the steering state of the loader. The steering angle control method of the loader comprises the following steps: the method comprises the following steps: the angle sensor acquires steering angle data of the loader and sends the steering angle data to the controller; step two: the controller judges the steering angle of the loader according to the steering angle data; step three: and the steering angle display device displays the current steering angle of the loader. According to the system and the method, the angle sensor is used for collecting the steering angle of the loader, the controller is used for analyzing the data measured by the angle sensor, the steering state of the loader is calculated, a cab can know the working state of the loader in time conveniently, operators can be helped to better exert the performance of the whole loader, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a steering angle display system and a control method of a loader.
Background
The loader is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port and mine, and is mainly used for shoveling and loading bulk materials such as soil, gravel, lime and coal, and also for light shoveling and digging of ore and hard soil. The different auxiliary working devices can be replaced to carry out bulldozing, hoisting and other material loading and unloading operations such as wood.
When dangerous working conditions such as engineering rescue or rescue are faced, the loader also has certain rescue capacity, but when the working environment threatens the personal safety of a driver, the conventional loader does not have remote control operation capacity, if the driver operates in the loader, a large safety risk exists, and under the scene, the loader with the remote control driving function needs to be used for operation.
The front frame and the rear frame are hinged through a pin shaft, when the loader starts to steer, the front frame rotates around the pin shaft, and after the front frame and the rear frame rotate relatively, the loader can steer normally.
The current driver carries out remote control driving operation, because can't closely observe the concrete driving state of loader, when facing to turn to the operation, turn to the angle to the loader and do not have very audio-visual perception, consequently, in the operation process, when probably having the shovel material operation, the condition that the frame is not on a straight line before the complete machine, back frame, influence the shovel fortune operation in, the performance of complete machine performance's performance influences whole machine operating efficiency, and complete machine traction force can't effectively be brought into play simultaneously, can cause the energy waste, the fuel inefficiency scheduling problem.
Disclosure of Invention
The invention aims to provide a loader steering angle display system and a control method, which can enable a driver to know the running state of a loader in time when the loader is remotely controlled to work.
In order to achieve the aim, the invention discloses a steering angle display system of a loader and a control method, which are structurally characterized in that: the method comprises the following steps:
an angle sensor for detecting a steering angle of the loader;
a controller for analyzing the angle sensor data and calculating the steering state of the loader;
and the steering angle display device is used for displaying the steering state of the loader.
The angle sensor is used for collecting the steering angle of the loader, the controller analyzes data measured by the angle sensor, the steering state of the loader is calculated, the steering state of the loader is displayed on the angle display device, a cab can conveniently know the working state of the loader in time, and the loader can work normally.
Preferably, the angle sensor is installed at a hinge position of a front frame and a rear frame of the vehicle body. When the loader turns, the front frame and the rear frame turn relatively at the hinged position, and the angle sensor can measure the relative rotation angle of the front frame and the rear frame.
Preferably, the steering angle display device is provided with an LED lamp. The steering angle of the loader is displayed by the LED lamp, so that the loader is more striking.
Preferably, the steering angle display device has three display areas, including a middle display area, a left-turn display area and a right-turn display area, the left-turn display area and the right-turn display area are respectively arranged at left and right intervals, and the middle display area is located between the left-turn display area and the right-turn display area. When the loader is in different steering states, the LED lamp corresponding to the display area is turned on, and if the loader is in a left steering state, the LED lamp in the left steering display area is turned on.
Preferably, the left-turn display area and the right-turn display area are respectively provided with 10 display lamps, the middle display area is provided with 1 display lamp, the light display color of the left-turn display area and the light display color of the right-turn display area are yellow, and the light display color of the middle display area is red. According to the steering range of the loader, different numbers of display lamps are lightened, and if the left steering degree is 50%, 5 display lamps are driven to be lightened.
In order to make it easier for the driver to view the steering angle display device, the steering angle display device is mounted on the roof of the loader.
The control method based on the steering angle display system of the loader is characterized by comprising the following steps:
the method comprises the following steps: the angle sensor collects steering angle data of the loader and sends the steering angle data to the controller;
step two: the controller judges the steering angle of the loader according to the steering angle data;
step three: and the steering angle display device displays the current steering angle of the loader.
Preferably, in the second step, if the steering angle data is between 39 ° and 41 °, the controller determines that the loader is currently in the neutral state;
if the steering angle data is between 0 and 39 degrees, the controller judges that the loader is currently in a left-turning state;
if the steering angle data is between 41 degrees and 80 degrees, the controller judges that the loader is currently in a right-turn state. The starting angle of the angle sensor is set in the extreme position of the left turn of the loader.
Preferably, in the second step, if the loader is initially in the neutral position state, when steering to the left, and when the required terminal angle is smaller than 38.8 °, the steering to the left is effective;
if the loader is initially in a left-turn state, when the loader turns to the middle position, the middle-position turning is effective when the required terminal angle is larger than 39.2;
if the loader is initially in a neutral state, when the loader turns to the right, and the required terminal angle is larger than 41.2 degrees, the right turning is effective;
if the loader is in a right steering state initially, when steering to the middle position, the middle steering is effective when the required terminal angle is less than 40.8 degrees.
That is, different operations are based on the previous state, and a hysteresis section is provided when switching between the two states, thereby preventing frequent switching between the two states in the vicinity of the critical point of change.
Preferably, in step two, the difference between the current steering angle and 40 ° is calculated, and the absolute value of the difference is calculated, wherein the larger the value is, the more the display lamps in the corresponding area are lighted. The driver can be made aware of the steering range of the loader.
In conclusion, the beneficial effects of the invention are as follows: utilize angle sensor to gather the angle of turning to of loader, carry out the analysis by the controller to the data that angle sensor surveyed, calculate the loader and turn to the state, the state that turns to of loader shows on angle display device, makes things convenient for the driver's cabin in time to know the operating condition of loader, makes the loader can normal operation, and help operating personnel better performance complete machine improves the operating efficiency.
Drawings
FIG. 1 is a schematic diagram of a steering angle display system control method according to the present invention;
FIG. 2 is a schematic structural diagram of a steering angle display device;
FIG. 3 is a schematic view of the mounting position of the steering angle display and the angle sensor on the loader;
fig. 4 is a schematic view showing the mounting position of the steering angle display device on the loader.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
A loader steering angle display system and a control method thereof comprise:
an angle sensor for detecting a steering angle of the loader;
a controller for analyzing the angle sensor data and calculating the steering state of the loader;
and the steering angle display device is used for displaying the steering state of the loader.
The angle sensor is used for collecting the steering angle of the loader, the controller analyzes data measured by the angle sensor, the steering state of the loader is calculated, the steering state of the loader is displayed on the angle display device, a cab can conveniently know the working state of the loader in time, and the loader can work normally.
The angle sensor is installed at the hinged position of the front frame and the rear frame of the vehicle body. When the loader turns, the front frame and the rear frame turn relatively at the hinged position, and the angle sensor can measure the relative rotation angle of the front frame and the rear frame. Refer to region a of fig. 3.
Referring to fig. 2, the steering angle display device is provided with an LED lamp. The steering angle of the loader is displayed by the LED lamp, so that the loader is more striking.
Referring to fig. 2, the steering angle display device has three display regions including a center display region, a left-turn display region, and a right-turn display region, the left-turn display region and the right-turn display region are respectively arranged at left and right intervals, and the center display region is located between the left-turn display region and the right-turn display region. When the loader is in different steering states, the LED lamp corresponding to the display area is turned on, and if the loader is in a left steering state, the LED lamp in the left steering display area is turned on.
Referring to fig. 2, the left-turn display area and the right-turn display area each have 10 display lamps, the middle display area has 1 display lamp, the light display color of the left-turn display area and the right-turn display area is yellow, and the light display color of the middle display area is red. According to the steering range of the loader, different numbers of display lamps are lighted, and if the left steering degree is 50%, 5 display lamps are driven to be lighted.
In order to make it easier for the driver to view the steering angle display device, the steering angle display device is mounted on the roof of the loader. Refer to region B in fig. 3, and region C in fig. 4.
Referring to fig. 1, a control method based on a loader steering angle display system is characterized by comprising the following steps:
the method comprises the following steps: the angle sensor collects steering angle data of the loader and sends the steering angle data to the controller;
step two: the controller judges the steering angle of the loader according to the steering angle data;
step three: and the steering angle display device displays the current steering angle of the loader.
Preferably, in the second step, if the steering angle data is between 39 ° and 41 °, the controller determines that the loader is currently in a neutral state;
if the steering angle data is between 0 and 39 degrees, the controller judges that the loader is currently in a left-turning state;
if the steering angle data is between 41 degrees and 80 degrees, the controller judges that the loader is currently in a right-turn state. The starting angle of the angle sensor is set in the extreme position of the left turn of the loader.
Referring to fig. 1, in step two, if the loader is initially in the neutral position, when steering to the left, and the required terminal angle is less than 38.8 °, the left steering is effective;
if the loader is initially in a left-turn state, when the loader turns to the middle position, the middle-position turning is effective when the required terminal angle is larger than 39.2;
if the loader is initially in a neutral state, when the loader turns to the right, and the required terminal angle is larger than 41.2 degrees, the right turning is effective;
if the loader is in a right steering state initially, when steering to the middle position, the middle steering is effective when the required terminal angle is less than 40.8 degrees.
That is, different operations are based on the previous state, and a hysteresis section is provided when switching between the two states, thereby preventing frequent switching between the two states in the vicinity of the critical point of change.
Referring to fig. 1, in step two, the difference between the current steering angle and 40 ° is calculated, and the absolute value of the difference is calculated, and the larger the value is, the more the display lamps of the corresponding area are lighted. The driver can be made aware of the steering range of the loader.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A loader steering angle display system, comprising:
an angle sensor for detecting a steering angle of the loader;
a controller for analyzing the angle sensor data and calculating the steering state of the loader;
and the steering angle display device is used for displaying the steering state of the loader.
2. The loader steering angle display system of claim 1, wherein the angle sensor is mounted at a hinge position of a front frame and a rear frame of the vehicle body.
3. The steering angle display system and the control method of the loader according to claim 1, wherein the steering angle display device is provided with an LED lamp.
4. The loader steering angle display system of claim 3, wherein the steering angle display device has three display areas including a center display area, a left turn display area and a right turn display area, the left turn display area and the right turn display area being spaced left and right, respectively, the center display area being located between the left turn display area and the right turn display area.
5. The loader steering angle display system of claim 4, wherein the left turn display area and the right turn display area each have 10 display lights, the center display area has 1 display light, the left turn display area and the right turn display area are illuminated yellow, and the center display area is illuminated red.
6. The loader steering angle display system of claim 5, wherein the steering angle display device is mounted on the roof of the loader.
7. The control method based on the loader steering angle display system according to claim 1, characterized by comprising the steps of:
the method comprises the following steps: the angle sensor collects steering angle data of the loader and sends the steering angle data to the controller;
step two: the controller judges the steering angle of the loader according to the steering angle data;
step three: and the steering angle display device displays the current steering angle of the loader.
8. The control method based on the steering angle display system of the loader as claimed in claim 7, wherein in the second step, if the steering angle data is between 39 ° and 41 °, the controller judges that the loader is currently in the neutral state;
if the steering angle data is between 0 and 39 degrees, the controller judges that the loader is currently in a left-turning state;
if the steering angle data is between 41 degrees and 80 degrees, the controller judges that the loader is in a right-turning state currently.
9. The control method based on the steering angle display system of the loader according to claim 7, wherein in the second step, if the loader is in the neutral state initially, when steering to the left, the end point angle is required to be less than 38.8 degrees, and the steering to the left is effective;
if the loader is initially in a left-turn state, when the loader turns to the middle position, the middle-position turning is effective when the required terminal angle is larger than 39.2;
if the loader is initially in a neutral state, when the loader turns to the right, and the required terminal angle is larger than 41.2 degrees, the right turning is effective;
if the loader is initially in a right steering state, when steering to the middle position, the end point angle is required to be smaller than 40.8 degrees, and the middle steering is effective.
10. The control method based on the loader steering angle display system according to claim 7, wherein in step two, the difference between the current steering angle and 40 ° is calculated, and the absolute value of the difference is calculated, and the larger the value is, the more the display lamps of the corresponding zone are lighted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210978257.9A CN115158460A (en) | 2022-08-16 | 2022-08-16 | Steering angle display system of loader and control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210978257.9A CN115158460A (en) | 2022-08-16 | 2022-08-16 | Steering angle display system of loader and control method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115158460A true CN115158460A (en) | 2022-10-11 |
Family
ID=83479254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210978257.9A Pending CN115158460A (en) | 2022-08-16 | 2022-08-16 | Steering angle display system of loader and control method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115158460A (en) |
-
2022
- 2022-08-16 CN CN202210978257.9A patent/CN115158460A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9702121B2 (en) | State information display for work machine, caution-sign displaying method for work machine, and caution-sign displaying program for work machine | |
JP6200121B2 (en) | Work machine periphery monitoring device | |
WO2016159012A1 (en) | Work-machine periphery monitoring device | |
CN106574455A (en) | Work vehicle | |
US20150029017A1 (en) | Attitude display system for remotely operated machine | |
CN105358770B (en) | For the control system of machine | |
CN102884253A (en) | Control device and method for controlling pitch angle | |
CN218519746U (en) | Steering angle display system of loader | |
CN115158460A (en) | Steering angle display system of loader and control method | |
CN102797461B (en) | For monitoring the method and system of the operation of cable shovel | |
JP3430361B2 (en) | Fall prevention device for turning work vehicle with work arm | |
CN111442247A (en) | Lamp group adjusting system and method | |
CN215669832U (en) | Loading machine | |
KR101793961B1 (en) | Excavator with control system of rotating arm | |
CN114895651A (en) | Remote control system and control method for loader | |
CN218756791U (en) | Supplementary tamping operation system | |
CN217496102U (en) | Loader emergency stop braking circuit | |
EP3974585A1 (en) | Construction machine | |
CN209162916U (en) | Crawler-mounted excavator | |
CN211716504U (en) | Lamp set adjusting system and excavator | |
KR102181127B1 (en) | Construction machinery | |
KR20220029901A (en) | Construction machinery and its driving method | |
KR101124473B1 (en) | Multipurpose heavy machinery | |
JP3460894B2 (en) | Construction machine attitude monitoring system | |
JPH04277229A (en) | Method of diagnosing impact ripper |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Applicant after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Applicant before: LOVOL Engineering Machinery Group Co.,Ltd. |
|
CB02 | Change of applicant information |