CN113062377B - Positive and negative hand switching method and system for electric control excavator, electronic equipment and storage medium - Google Patents
Positive and negative hand switching method and system for electric control excavator, electronic equipment and storage medium Download PDFInfo
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- CN113062377B CN113062377B CN202110347616.6A CN202110347616A CN113062377B CN 113062377 B CN113062377 B CN 113062377B CN 202110347616 A CN202110347616 A CN 202110347616A CN 113062377 B CN113062377 B CN 113062377B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/422—Drive systems for bucket-arms, front-end loaders, dumpers or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
Abstract
The invention provides a method and a system for switching the forehand and the backhand of an electric control excavator, an electronic device and a storage medium, wherein the method for switching the forehand and the backhand of the electric control excavator comprises the following steps: receiving a first input of a target object by a user; reading a first handle signal in response to the first input; updating the first variable into a fourth variable, assigning a second output variable value to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the bucket rod electromagnetic valve; and updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary solenoid valve. According to the method for switching the positive hand and the negative hand of the electric control excavator, the interchange of the control algorithm and the transmission address is realized according to the switching value signal under the condition that an auxiliary oil path does not need to be installed, the positive hand and the negative hand of the excavator can be quickly switched, an additional oil path switching valve is not needed, and the method is simple, convenient and easy to realize.
Description
Technical Field
The invention relates to the technical field of excavators, in particular to a method and a system for switching between a positive hand and a negative hand of an electric control excavator, electronic equipment and a storage medium.
Background
At present, the main forms of home and abroad hydraulic excavator pilot control systems are as follows: the left pilot valve left and right controls respectively control the left rotation and the right rotation of the upper platform of the excavator, and the left pilot valve front and rear controls respectively control the outward swinging and inward contraction of the bucket rod of the excavator; the left and right operations of the right pilot valve respectively control the inward contraction and outward swinging of the bucket of the excavator, and the front and rear operations of the right pilot valve respectively control the descending and ascending of the movable arm of the excavator.
However, when the excavator is used to the left and right operations in some special conditions, such as when the excavator is not required to perform the swing operation, but the arm needs to be frequently moved, fatigue is easily generated when the excavator is frequently performed in the front and rear operations, and therefore, many excavator hands are required to change the swing operation and the arm operation. If the user needs to change the operation mode according to the operation habit or training of the user, the pilot oil pipe or the manual operation solenoid valve is usually required to be disassembled and assembled. The two modes not only waste time and hydraulic oil, but also easily pollute the environment.
Disclosure of Invention
The invention provides a method and a system for switching between a front hand and a back hand of an electric control excavator, electronic equipment and a storage medium, which are used for solving the problems that the realization mode for switching between the front hand and the back hand of the electric control excavator in the prior art is complex and time-consuming.
The invention provides a method for switching a forward hand and a reverse hand of an electric control excavator, which comprises the following steps:
receiving a first input of a target object by a user;
reading a first handle signal in response to the first input;
updating the first variable into a fourth variable, assigning a second output variable value to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the solenoid valve of the bucket rod; and updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary electromagnetic valve.
According to the method for switching the forward hand and the reverse hand of the electric control excavator, provided by the invention, the method further comprises the following steps:
receiving a second input of the target object by the user;
reading a first handle signal in response to the second input;
associating a slew signal with the first variable and an arm signal with the second variable;
first output variable value is assigned to first variable, outputs first output variable value is in order to adjust the duty cycle of gyration solenoid valve, and second output variable value is assigned to the second variable, outputs the duty cycle of second output variable value in order to adjust the dipper solenoid valve.
According to the method for switching the forward hand and the reverse hand of the electric control excavator, provided by the invention, the method further comprises the following steps:
receiving a third input of the target object by the user;
reading a second handle signal in response to the third input;
updating the fifth variable into an eighth variable, assigning a fourth output variable value to the eighth variable, and outputting the fourth output variable value to adjust the duty ratio of the bucket electromagnetic valve; and updating the sixth variable into a seventh variable, assigning a third output variable value to the seventh variable, and outputting the third output variable value to adjust the duty ratio of the boom solenoid valve.
According to the method for switching the forward hand and the reverse hand of the electric control excavator, provided by the invention, the method further comprises the following steps:
receiving a fourth input of the target object by the user;
reading a second handle signal in response to the fourth input;
associating a boom signal with the fifth variable, associating a bucket signal with the fourth variable, assigning a third output variable value to the fifth variable, outputting the third output variable value to adjust a duty cycle of a boom solenoid valve, assigning a fourth output variable value to the sixth variable, and outputting the fourth output variable value to adjust a duty cycle of a bucket solenoid valve.
The invention also provides a system for switching the forehand and the backhand of the electric control excavator, which comprises the following components:
the first handle, the second handle, the rotary electromagnetic valve, the bucket rod electromagnetic valve, the bucket electromagnetic valve and the movable arm electromagnetic valve are all connected with the ECU controller;
and the display screen is provided with an operation interface and is connected with the ECU controller, and the operation interface is provided with a right-hand operation key and a reverse-hand operation key.
According to the positive and negative hand switching system of the electric control excavator, the first handle, the second handle and the display screen are in communication connection with the ECU controller through the CAN bus.
According to the electric control excavator forehand and backhand switching system provided by the invention, the forehand and backhand operation key comprises a first switch corresponding to the first handle and a second switch corresponding to the second handle.
According to the positive and negative hand switching system of the electric control excavator, the rotary electromagnetic valve, the bucket rod electromagnetic valve, the bucket electromagnetic valve and the movable arm electromagnetic valve are proportional electromagnetic valves.
The invention also provides electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the program to realize the steps of the method for switching the forehand and the backhand of the electric control excavator.
The invention also provides a non-transitory computer readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the method for switching between the right and the left hands of the electric excavator.
According to the method, the system, the electronic equipment and the storage medium for switching the forward and reverse hands of the electric control excavator, the interchange of a control algorithm and a transmission address is realized according to the switching value signal under the condition that an auxiliary oil path is not required to be installed, the forward and reverse hands of the excavator can be quickly switched, an additional oil path switching valve is not required, and the method, the system, the electronic equipment and the storage medium are simple and convenient and easy to realize.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a method for switching between a right hand and a reverse hand of an electrically controlled excavator provided by the invention;
FIG. 2 is a block diagram of a system for switching between the forward and reverse hands of the electric control excavator provided by the invention;
FIG. 3 is a schematic structural diagram of an electronic device provided by the present invention;
reference numerals:
1: an ECU controller; 2: a display screen; 3: a first handle;
4: a rotary solenoid valve; 5: a bucket rod electromagnetic valve; 6: a processor;
7: a communication interface; 8: a memory; 9: a communication bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method for switching the forward and reverse hands of the electric control excavator is described in the following with reference to fig. 1.
In order to realize the switching between left rotation and right rotation of an upper platform of an excavator and the outward swinging and inward retracting of a bucket rod of the excavator, as shown in fig. 1, the method for switching the forward hand and the reverse hand of the electric control excavator comprises the following steps:
s100, receiving a first input of a user to a target object;
it should be noted that, a user may click an icon on the display screen, and the display screen is provided with a plurality of icons, and the plurality of icons may respectively represent different meanings. For example, the first icon represents switching between left and right swing of the excavator upper deck, and between outer swing and inner swing of the excavator arm, and the second icon represents switching between inner swing and outer swing of the excavator bucket, and between lowering and raising of the excavator boom.
S200, responding to a first input, reading a first handle signal;
wherein, first handle can be used for controlling excavator upper mounting plate left side gyration and right gyration to and the outer pendulum and the adduction of excavator dipper.
It should be noted that, after a user clicks a first icon, the ECU controller may receive a switch signal corresponding to the icon, and the ECU controller may determine whether to perform a forward operation or a backward operation, at this time, the ECU controller reads the first handle signal, and in an initial state, the swivel signal is associated with the first variable, the arm signal is associated with the second variable, the first output variable value is assigned to the first variable, and the second output variable value is assigned to the second variable.
S300, updating the first variable I1 into a fourth variable I4, assigning a second output variable value O2 to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the solenoid valve of the arm; the second variable I2 is updated to a third variable, and the first output variable value O1, which is output to adjust the duty cycle of the rotary solenoid valve, is assigned to the third variable I3.
If the ECU controller judges that the operation is carried out in an anti-hand mode, the ECU controller updates the first variable into a fourth variable at the moment, assigns the second output variable value to the fourth variable, and outputs the second output variable value to adjust the duty ratio of the electromagnetic valve of the bucket rod; and updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary electromagnetic valve.
According to the method for switching the forehand and the backhand of the electric control excavator, under the condition that an auxiliary oil way is not needed to be installed, the interchange of a control algorithm and a transmission address is realized according to a switching value signal, the forehand and the backhand of the excavator can be quickly switched, an additional oil way switching valve is not needed, and the method is simple, convenient and easy to realize.
On the basis of the above embodiment, the method for switching between the forward hand and the reverse hand of the electric control excavator further comprises the following steps:
receiving a second input of the target object by the user;
at which point the user clicks on the first icon on the display screen.
Reading the first handle signal in response to the second input;
after the user clicks the icon, the ECU controller receives a switch signal corresponding to the icon, and at the moment, the ECU controller judges that the operation is the forehand operation.
At the moment, the revolution signal is associated with a first variable, the bucket rod signal is associated with a second variable, the first output variable value is assigned to the first variable, and the second output variable value is assigned to the second variable;
the ECU controller outputs a first output variable value to adjust the duty ratio of the rotary solenoid valve, and the ECU controller outputs a second output variable value to adjust the duty ratio of the arm solenoid valve.
In the embodiment of the invention, the ECU controller can judge whether the forward-handed operation or the backward-handed operation is carried out according to the received switch signal corresponding to the icon, and the implementation mode is simple and reliable.
In order to realize the switching between the inward contraction and the outward swinging of the excavator bucket and the descending and the ascending of the excavator movable arm, on the basis of the embodiment, the method for switching the forward hand and the reverse hand of the electric control excavator further comprises the following steps:
receiving a third input of the target object by the user;
it should be noted that the user may click on a second icon on the display screen.
Reading a second handle signal in response to a third input;
the second handle can be used for controlling the inward contraction and outward swinging of the excavator bucket and the descending and ascending of the excavator boom.
It should be noted that, after the user clicks the second icon, the ECU controller may receive the switch signal corresponding to the icon, and the ECU controller may determine whether to perform the forward operation or the backward operation, at this time, the ECU controller reads the second handle signal, and in an initial state, the boom signal is associated with the fifth variable, the bucket signal is associated with the fourth variable, the third output variable value is assigned to the fifth variable, and the fourth output variable value is assigned to the sixth variable.
If the ECU controller judges that the operation is carried out in an opposite hand mode, the ECU controller updates the fifth variable into an eighth variable at the moment, assigns a fourth output variable value to the eighth variable, and outputs the fourth output variable value to adjust the duty ratio of the bucket electromagnetic valve; and updating the sixth variable into a seventh variable, assigning the third output variable value to the seventh variable, and outputting the third output variable value to adjust the duty ratio of the movable arm electromagnetic valve.
On the basis of the above embodiment, the method for switching between the forward hand and the reverse hand of the electric control excavator further comprises the following steps:
receiving a fourth input of the target object by the user;
at which point the user clicks on a second icon on the display screen.
Reading a second handle signal in response to the fourth input;
after the user clicks the icon, the ECU controller receives a switch signal corresponding to the icon, and at the moment, the ECU controller judges that the operation is the forehand operation.
At the moment, the boom signal is associated with a fifth variable, the bucket signal is associated with a fourth variable, the third output variable value is assigned to the fifth variable, and the fourth output variable value is assigned to a sixth variable;
the ECU controller outputs a third output variable value to adjust the duty ratio of the boom solenoid valve, assigns a fourth output variable value to a sixth variable, and outputs a fourth output variable value to adjust the duty ratio of the bucket solenoid valve.
As shown in fig. 2, the system for switching between the forward and reverse hands of the electric control excavator according to the embodiment of the present invention includes:
the ECU controller 1 is connected with the first handle 3, the second handle, the rotary electromagnetic valve 4, the bucket rod electromagnetic valve 5, the bucket electromagnetic valve and the movable arm electromagnetic valve;
and the display screen 2 is provided with an operation interface and is connected with the ECU controller 1, and the operation interface is provided with a right-hand operation key and a left-hand operation key.
It should be noted that the first handle 3, the second handle and the display screen are in communication connection with the ECU controller 1 through a CAN bus.
The positive and negative hand operation keys comprise a first change-over switch corresponding to the first handle 3 and a second change-over switch corresponding to the second handle.
That is, the first switch corresponds to the first icon for switching between left and right swing of the upper deck of the excavator and outward and inward swing of the arm of the excavator. The second selector switch corresponds to the second icon and is used for switching between inward retraction and outward swinging of the excavator bucket and descending and ascending of the excavator boom.
In an alternative embodiment, the swing solenoid valve 4, the arm solenoid valve 5, the bucket solenoid valve, and the boom solenoid valve are all proportional solenoid valves.
The following description will be made by taking an example of switching between left and right swiveling of the excavator upper deck and outward swinging and inward retraction of the excavator arm.
A user can click a first change-over switch on the display screen;
after a user clicks a first change-over switch, the ECU controller 1 receives a switch signal corresponding to the first change-over switch, the ECU controller 1 judges whether the first change-over switch is used for forehand operation or backhand operation, at the moment, the ECU controller 1 reads a first handle signal, in an initial state, a gyration signal is associated with a first variable, a dipper handle signal is associated with a second variable, a first output variable value is assigned to the first variable, and a second output variable value is assigned to the second variable.
If the ECU controller 1 judges that the backhand operation is performed, the ECU controller 1 updates the first variable into a fourth variable, assigns a second output variable value to the fourth variable, and outputs the second output variable value to adjust the duty ratio of the arm solenoid valve 5; the second variable is updated to a third variable, the first output variable value is assigned to the third variable, and the first output variable value is output to adjust the duty ratio of the rotary solenoid valve 4.
Or after the user clicks the first switch, the ECU controller may receive a switch signal corresponding to the first switch, and at this time, the ECU controller may determine that the first switch is a right-handed operation.
At the moment, the revolution signal is associated with a first variable, the bucket rod signal is associated with a second variable, the first output variable value is assigned to the first variable, and the second output variable value is assigned to the second variable;
the ECU controller 1 outputs a first output variable value to adjust the duty ratio of the swing solenoid valve 4, and the ECU controller 1 outputs a second output variable value to adjust the duty ratio of the arm solenoid valve 5.
The positive and negative hand switching system of the electric control excavator provided by the embodiment of the invention can quickly realize positive and negative hand switching of the excavator, does not need an additional oil circuit switching valve, and is simple, convenient and easy to realize.
Fig. 3 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 3: a processor (processor)6, a communication Interface (communication Interface)7, a memory (memory)8 and a communication bus 9, wherein the processor 6, the communication Interface 7 and the memory 8 complete communication with each other through the communication bus 9. The processor 6 can call the logic instructions in the memory 8 to execute a forehand and backhand switching method of the electric control excavator, and the method comprises the following steps: receiving a first input of a target object by a user;
reading a first handle signal in response to the first input;
updating the first variable into a fourth variable, assigning a second output variable value to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the solenoid valve of the bucket rod; and updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary electromagnetic valve.
Furthermore, the logic instructions in the memory 8 may be implemented in the form of software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer readable storage medium, the computer program includes program instructions, when the program instructions are executed by a computer, the computer can execute the method for switching forehand and backhand of the electric excavator provided by the above methods, the method includes: reading a first handle signal in response to the first input;
updating the first variable into a fourth variable, assigning a second output variable value to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the solenoid valve of the bucket rod; and updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary electromagnetic valve.
In another aspect, the present invention also provides a non-transitory computer-readable storage medium, on which a computer program is stored, the computer program being implemented by a processor to execute the method for switching between the right and the left hands of the electrically controlled excavator, the method including: reading a first handle signal in response to the first input;
updating the first variable into a fourth variable, assigning a second output variable value to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the bucket rod electromagnetic valve; and updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary solenoid valve.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A method for switching between the positive hand and the negative hand of an electric control excavator is characterized by comprising the following steps:
receiving a first input of a user to a target object, wherein the first input of the user to the target object is that the user clicks a first icon, and the first icon represents switching between left rotation and right rotation of an upper platform of the excavator and outward swinging and inward swinging of a bucket rod of the excavator;
reading a first handle signal in response to the first input; after a user clicks a first icon, the ECU controller receives a switch signal corresponding to the first icon, judges that the ECU controller is in reverse-hand operation, reads a first handle signal, and in an initial state, a gyration signal is associated with a first variable, a bucket rod signal is associated with a second variable, a first output variable value is assigned to the first variable, and a second output variable value is assigned to the second variable;
updating the first variable into a fourth variable, assigning a second output variable value to the fourth variable, and outputting the second output variable value to adjust the duty ratio of the solenoid valve of the bucket rod; updating the second variable into a third variable, assigning the first output variable value to the third variable, and outputting the first output variable value to adjust the duty ratio of the rotary electromagnetic valve;
receiving a second input of the target object by the user; the second input of the target object by the user is that the user clicks the first icon;
reading the first handle signal in response to the second input; after the user clicks the first icon, the ECU controller receives a switch signal corresponding to the first icon, and the ECU controller judges that the operation is a right-handed operation;
associating a slew signal with the first variable and an arm signal with the second variable;
assigning a first output variable value to a first variable, outputting the first output variable value to adjust the duty cycle of the rotary solenoid valve, assigning a second output variable value to a second variable, and outputting the second output variable value to adjust the duty cycle of the bucket rod solenoid valve;
receiving a third input of the target object by the user, wherein the third input of the target object by the user is used for clicking a second icon on the display screen, and the second icon represents switching between inward swinging and outward swinging of the excavator bucket and descending and ascending of the excavator movable arm;
reading a second handle signal in response to the third input; after the user clicks the second icon, the ECU controller receives a switch signal corresponding to the second icon, judges that the operation is reverse-handed operation, reads a second handle signal, associates a boom signal with a fifth variable, associates a bucket signal with a sixth variable, assigns a third output variable value to the fifth variable, and assigns a fourth output variable value to the sixth variable in an initial state;
updating the fifth variable into an eighth variable, assigning a fourth output variable value to the eighth variable, and outputting the fourth output variable value to adjust the duty ratio of the bucket electromagnetic valve; updating the sixth variable into a seventh variable, assigning a third output variable value to the seventh variable, and outputting the third output variable value to adjust the duty ratio of the movable arm electromagnetic valve;
receiving a fourth input of the target object by the user, wherein the fourth input of the target object by the user is that the user clicks a second icon on the display screen;
reading a second handle signal in response to the fourth input; after the user clicks the second icon, the ECU controller receives a switch signal corresponding to the second icon, and the ECU controller judges that the second icon corresponds to the first icon;
associating a boom signal with the fifth variable, associating a bucket signal with the sixth variable, assigning a third output variable value to the fifth variable, outputting the third output variable value to adjust a duty cycle of a boom solenoid valve, assigning a fourth output variable value to the sixth variable, and outputting the fourth output variable value to adjust a duty cycle of a bucket solenoid valve.
2. An electric control excavator forehand and backhand switching system according to the electric control excavator forehand and backhand switching method of claim 1, characterized by comprising:
the first handle, the second handle, the rotary electromagnetic valve, the bucket rod electromagnetic valve, the bucket electromagnetic valve and the movable arm electromagnetic valve are all connected with the ECU controller;
and the display screen is provided with an operation interface and is connected with the ECU controller, and a right-hand operation key and a reverse-hand operation key are arranged on the operation interface.
3. The electric control excavator forehand and backhand switching system according to claim 2, wherein the first handle, the second handle and the display screen are in communication connection with the ECU controller through a CAN bus.
4. The system of claim 2, wherein the forward/reverse operation keys comprise a first switch corresponding to the first handle and a second switch corresponding to the second handle.
5. The electric control excavator forehand and backhand switching system according to claim 2, wherein the swing solenoid valve, the arm solenoid valve, the bucket solenoid valve, and the boom solenoid valve are proportional solenoid valves.
6. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method for switching between hands of an electric excavator according to claim 1 when executing the computer program.
7. A non-transitory computer readable storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method for switching between hands of an electrically controlled excavator according to claim 1.
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| JPS63151730A (en) * | 1986-12-16 | 1988-06-24 | Komatsu Ltd | Operating lever device for power shovel |
| CN103669456B (en) * | 2013-12-30 | 2015-10-21 | 青岛雷沃挖掘机有限公司 | A kind of excavator pilot handle operation function switchover and method |
| CN204753686U (en) * | 2015-02-12 | 2015-11-11 | 徐州徐工挖掘机械有限公司 | Automatically controlled guide control system redundancy apparatus of excavator |
| CN211080375U (en) * | 2019-11-22 | 2020-07-24 | 三一重机有限公司 | Mode switching electric control device, mode switching electric control system and excavator |
| CN112127414A (en) * | 2020-09-25 | 2020-12-25 | 柳州柳工挖掘机有限公司 | Excavator control method and system and operation mode switching method and system |
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