CN112502232B - Excavator control handle, traveling system and excavator - Google Patents
Excavator control handle, traveling system and excavator Download PDFInfo
- Publication number
- CN112502232B CN112502232B CN202011421829.0A CN202011421829A CN112502232B CN 112502232 B CN112502232 B CN 112502232B CN 202011421829 A CN202011421829 A CN 202011421829A CN 112502232 B CN112502232 B CN 112502232B
- Authority
- CN
- China
- Prior art keywords
- excavator
- circuit
- handle
- knob
- rolling
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- E02F9/2004—Control mechanisms, e.g. control levers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The utility model provides an excavator control handle, traveling system and excavator, an excavator control handle, including handle main part and signal of electricity circuit, be provided with the roll knob in the handle main part, the roll knob is connected with the signal of electricity circuit electricity, through the knob roll different circuit parts in the different position switch-on signal of electricity circuit to output different signals of electricity, the signal of electricity of rolling knob output of left handle and right handle is received to the complete machine controller, the opening and the hydraulic oil flow of the corresponding fuel feeding return circuit of control hydraulic unit, realization traveling control, this disclosure adopts electrical control signal to replace the pilot valve, can carry out once roll knob rotatory back, continuous control corresponding walking, need not operate always, the travelling comfort of operation has been improved, the big problem of current excavator traveling system energy consumption has been solved simultaneously.
Description
Technical Field
The disclosure relates to the technical field of excavator correlation, in particular to an excavator control handle, a walking system and an excavator.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the development of information intelligent products becoming more mature, the product can be used in the aspects of technology, quality and the like, and in addition, the requirement of people on the operation comfort of the excavator is higher and higher, meanwhile, the low energy consumption is pursued more, so that the requirement on the excavator is higher and higher.
The inventor finds that the existing excavator walking is realized by always operating a walking operating lever by hands or feet, the walking operating device generally adopts two operating modes of and a pedal plate, the two operating modes are connected with respective pilot valves, and the front-back driving and the unilateral steering can be realized by operating or the pedal plate. The conventional operation is that the hydraulic excavator moves forwards by simultaneously pushing a left operating lever and a right operating lever forwards (or stepping on a pedal); simultaneously, the two control rods are pulled backwards (or the pedals are stepped), and the hydraulic excavator retreats. The forward and backward walking can be adjusted in speed according to the amount of movement of the operation or the amount of stepping on the foot pedal. The walking control lever controls walking through hydraulic control, meanwhile, two control levers are pulled or pedals are stepped on all the time in the moving process, energy consumption is high, the structure operability of the existing operating lever of the excavator is poor, safety is low, and high energy consumption is achieved.
Disclosure of Invention
In order to solve the problems, the utility model provides an excavator control handle, walking control system and excavator, through set up the rolling button on the handle, the different signals of telecommunication of exporting to main control unit of rolling button roll angle are different to main control unit exports the walking control parameter of excavator according to the signal of telecommunication of difference, realizes the automatically controlled of excavator, does not need to trample always simultaneously or push-and-pull handle operation, has reduced the energy consumption, has improved the travelling comfort of operation simultaneously.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
one or more embodiments provide an excavator control handle, which includes a handle main body and an electrical signal circuit, wherein a rolling knob is arranged on the handle main body, the rolling knob is electrically connected with the electrical signal circuit, and different circuit parts in the electrical signal circuit are switched on by rolling the knob to different positions, so that different electrical signals are output.
One or more embodiments provide a walking control system of an excavator, which comprises a left handle, a right handle, a complete machine controller and a hydraulic control unit, wherein the left handle and the right handle adopt the excavator control handle, the complete machine controller receives electric signals output by rolling knobs of the left handle and the right handle, and the opening of corresponding oil supply loops of the hydraulic unit and the flow rate of hydraulic oil are controlled.
One or more embodiments provide an excavator, characterized by: the excavator adopts the walking control system of the excavator.
Compared with the prior art, the beneficial effect of this disclosure is:
this is disclosed through the roll knob that sets up on the excavator handle, roll different circuit parts in the different position switch-on electric signal circuit, thereby output different electric signals, the electric signal of the roll knob output of left handle and right handle is received to the complete machine controller, the opening and the hydraulic oil flow of the corresponding fuel feeding return circuit of control hydraulic unit, realize walking control, this disclosure adopts electrical control signal to replace the pilot valve, can be after carrying out a roll knob rotation, continuously control corresponding walking, do not need to operate always, the travelling comfort of operation has been improved, the big problem of current excavator traveling system energy consumption has been solved simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure.
Fig. 1 is a schematic structural view of an excavator manipulation handle of embodiment 1 of the present disclosure;
fig. 2 is an electrical signal circuit diagram of embodiment 1 of the present disclosure;
FIG. 3 is a block diagram of the walk control system of the excavator of the present disclosure;
fig. 4 is a control schematic diagram of the travel control system of the excavator according to the present disclosure.
The specific implementation mode is as follows:
the present disclosure is further illustrated by the following examples in conjunction with the accompanying drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present disclosure may be combined with each other. The embodiments will be described in detail below with reference to the accompanying drawings.
Example 1
In one or more embodiments, as shown in fig. 1, an excavator control handle includes a handle main body and an electrical signal circuit, the handle main body is provided with a rolling knob, the rolling knob is electrically connected with the electrical signal circuit, different circuit parts in the electrical signal circuit are connected by rolling the knob to different positions, so as to output different electrical signals, and the electrical signals can be used for controlling the excavator to walk.
The electric signal circuit can be set to different switch-on positions, and the rolling knob can be switched on at different switch-on positions in the circuit when rolling to different positions, so that different electric signals can be obtained.
In some embodiments, the electrical signal circuit may be as shown in fig. 2, including an input-side circuit and an output-side circuit, the output-side circuit having a plurality of branches, the input-side circuit being connected to the branches of the output-side circuit via a scroll knob.
Specifically, the input circuit in this embodiment includes a power supply VCC and a limiting resistor R, and each branch circuit of the output circuit is provided with a resistor having a different resistance value, and the resistors have different sizes, so that the output currents have different sizes. Different current signals enable different operations, including walking speed, forward or reverse. The resistances of the R1, the R2, the R3 and the RN are different, and the output terminal E1 of the input circuit may be connected to the terminals F1, F2, F3 or FN to output different current signals.
In other embodiments, the electrical signal circuit may be configured as a waveform generator that outputs a square wave, sine wave, or the like, and the change in frequency or amplitude of the waveform and selection of different waveforms may be accomplished by rolling the knob. The waveform generator outputs different electrical signals according to the selection signal. The waveform signal is converted into a digital signal as a walking control signal by an AD converter.
As a typical structure, the rolling knob is arranged in a disc shape, a plurality of first contacts are arranged on the disc, the rolling knob further comprises a circuit board arranged opposite to the rolling knob, the electric signal circuit is arranged on the circuit board, one surface of the circuit board, which is provided with the first contacts, is arranged opposite to the rolling knob in a rotatable manner, second contacts corresponding to each connection position of the electric signal circuit are arranged on the circuit board, and the positions of the first contacts and the second contacts are opposite to each other for connecting two of the second contacts; the rolling knob is rotated to connect different circuit parts in the electric signal circuit through contacts at different positions, so that the electric signal circuit can output different electric signals.
As another implementation, the electrical signal circuit may be configured as a sliding rheostat circuit, and the rolling knob is electrically connected to the sliding rheostat and changes the position of the sliding rheostat scribe, thereby outputting current signals of different magnitudes.
Example 2
The present embodiment provides a walking control system of an excavator, as shown in fig. 3 and 4, including a left handle, a right handle, a complete machine controller and a hydraulic control unit, where the left handle and the right handle adopt the excavator control handle in embodiment 1, and the complete machine controller receives electrical signals output by rolling knobs of the left handle and the right handle, and controls the opening of corresponding oil supply loops of the hydraulic unit and the flow rate of hydraulic oil, thereby implementing walking control of the excavator.
This embodiment adopts electrical signal to replace the pilot valve, can carry out once roll the knob rotatory back, and the corresponding walking of continuous control need not operate always, has improved the travelling comfort of operation, has solved the big problem of current excavator traveling system energy consumption simultaneously.
In some embodiments, the hydraulic control unit comprises a traveling solenoid valve, a main valve and a traveling motor which are connected in sequence, the traveling solenoid valve is connected with the whole machine controller, the traveling solenoid valve receives a control signal controlled by the whole machine to push a valve core of the main valve to slide so as to connect each hydraulic oil circulation loop communicated with the main valve, and the hydraulic oil circulation loop comprises an oil return loop and an oil supply loop.
Specifically, in the specific structure of this embodiment, as shown in fig. 4, the traveling motor is specifically a hydraulic motor, the main valve includes two main valves for controlling the left and right motors, and the main valve may be a three-position four-way valve. The left and right traveling motors can rotate respectively to drive the traveling device to realize traveling. The oil return and supply of the three-position four-way valve can realize the rotation direction of the output shaft of the walking motor, and the forward or backward movement is realized.
The specific walking control process comprises the following steps: different electric signals are output to the controller through rolling buttons on the left handle and the right handle, the controller controls the walking solenoid valve through the electric signals to push a valve core of the walking solenoid valve to slide, and then the valve core of the main valve is pushed to slide, so that hydraulic oil reaches a left walking motor and a right walking motor, the walking motor rotates to drive the walking device, and walking is achieved.
Optionally, the hydraulic control unit further comprises a hydraulic oil flow control module, the hydraulic oil flow control module comprises a main pump electromagnetic valve, an engine controller, an engine and a main pump, the whole machine controller, the main pump electromagnetic valve and the main pump are sequentially connected and used for controlling the discharge capacity of the main pump, the whole machine controller, the engine and the main pump are sequentially connected and used for controlling the running speed of the main pump, and an oil conveying pipeline connected with the main pump is connected with an oil tank and a main valve of the excavator.
The specific control process of the flow of the main pump comprises the following steps: the controller is communicated with the engine controller and controls the engine to output different rotating speeds to the main pump; meanwhile, the controller controls the main pump electromagnetic valve through an electric signal to push the valve core of the main pump electromagnetic valve to slide, and the main pump electromagnetic valve controls the discharge capacity of the main pump through the regulator. The rotation speed and the displacement are equal to the flow, so that the flow of the main pump is controlled, hydraulic oil entering a main valve is controlled, and the walking speed is controlled.
As a further improvement, an emergency stop button is further arranged on the left handle or/and the right handle and connected with a complete machine controller. When the emergency stop switch is pressed down in case of emergency while walking, the engine controller receives the signal to stop the engine.
When the handle is operated by mistake during walking, namely the handle is touched to rotate, the bucket rod, the movable arm and the bucket are controlled by mistake, the controller receives corresponding signals to judge, and the rotating speed is controlled to be reduced or the walking is stopped.
Specifically, when the scroll knob is operated to travel, if other operations are performed simultaneously, the collision is considered to be mistaken, and the requirement is that other operations cannot be performed during the traveling process.
When the complete machine controller detects the corresponding pressure change, the rest operations are considered to be carried out. When the rotation, the bucket rod, the movable arm and the bucket act, the operation pressure and the pump pressure of the corresponding pilot valve change, and the whole machine controller judges whether other operations exist or not through calculation by acquiring the operation pressure and the pump pressure of the pilot valve, so that the control of the other operations is realized.
The embodiment further provides an excavator, and the excavator adopts the walking control system of the excavator.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (9)
1. An excavator control handle is characterized in that: the electric signal circuit comprises a handle main body and an electric signal circuit, wherein a rolling knob is arranged on the handle main body and is electrically connected with the electric signal circuit, and different circuit parts in the electric signal circuit are switched on by rolling the knob to different positions so as to output different electric signals; the electric signal circuit comprises an input end circuit and an output end circuit, wherein the output end circuit is provided with a plurality of branch circuits, and the input end circuit is connected to each branch circuit of the output end circuit through a rolling knob; the input end circuit comprises a power supply and a limiting resistor, resistors with different resistance values are arranged on each branch circuit of the output end circuit, and the output end of the input end circuit is connected with the input end of each branch circuit of the output end circuit through a rolling knob.
2. An excavator manipulation handle as claimed in claim 1,
the rolling knob is set to be of a disc type, a plurality of first contacts are arranged on the disc, the rolling knob further comprises a circuit board which is arranged opposite to the rolling knob, the electric signal circuit is arranged on the circuit board, one surface of the circuit board, which is provided with the first contacts, of the rolling knob is arranged in a rotatable and opposite mode, second contacts which correspond to all the connection positions of the electric signal circuit are arranged on the circuit board, and the positions of the first contacts and the second contacts are used for connecting two of the second contacts.
3. The excavator manipulation handle of claim 1, wherein: the electric signal circuit is set to be a slide rheostat circuit, the rolling knob is electrically connected with the slide rheostat, and the rolling knob changes the position of a slide rheostat scribing sheet, so that current signals with different sizes are output.
4. A walking control system of an excavator is characterized in that: the excavator control handle comprises a left handle, a right handle, a complete machine controller and a hydraulic control unit, wherein the left handle and the right handle adopt the excavator control handle as claimed in any one of claims 1 to 3, and the complete machine controller receives electric signals output by rolling knobs of the left handle and the right handle and controls the opening of corresponding oil supply loops of the hydraulic unit and the flow of hydraulic oil.
5. The walking control system of an excavator according to claim 4, wherein: the hydraulic control unit comprises a traveling electromagnetic valve, a main valve and a traveling motor which are sequentially connected, the traveling electromagnetic valve is connected with the whole machine controller, and the traveling electromagnetic valve receives a control signal controlled by the whole machine to push a valve core of the main valve to slide so as to connect each hydraulic oil circulation loop communicated with the main valve.
6. The traveling control system of an excavator according to claim 5, wherein: the main valve adopts a three-position four-way valve, or the walking motor is specifically a hydraulic motor.
7. The travel control system of an excavator according to claim 5, wherein: the hydraulic control unit further comprises a hydraulic oil flow control module, the hydraulic oil flow control module comprises a main pump electromagnetic valve, an engine controller, an engine and a main pump, the whole machine controller, the main pump electromagnetic valve and the main pump are sequentially connected and used for controlling the discharge capacity of the main pump, the whole machine controller, the engine and the main pump are sequentially connected and used for controlling the rotating speed of the main pump, and an oil conveying pipeline connected with the main pump is connected with an oil tank and a main valve of the excavator.
8. The walking control system of an excavator according to claim 4, wherein: and an emergency stop button is further arranged on the left handle or/and the right handle and is connected with the whole machine controller.
9. An excavator is characterized in that: the excavator adopts the walking control system of the excavator as claimed in any one of claims 4 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011421829.0A CN112502232B (en) | 2020-12-08 | 2020-12-08 | Excavator control handle, traveling system and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011421829.0A CN112502232B (en) | 2020-12-08 | 2020-12-08 | Excavator control handle, traveling system and excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112502232A CN112502232A (en) | 2021-03-16 |
| CN112502232B true CN112502232B (en) | 2022-06-07 |
Family
ID=74970523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011421829.0A Active CN112502232B (en) | 2020-12-08 | 2020-12-08 | Excavator control handle, traveling system and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112502232B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089763B (en) * | 2021-04-16 | 2022-11-18 | 徐州徐工挖掘机械有限公司 | Multi-stage safety handle control system and method for excavator |
| CN113152573B (en) * | 2021-05-06 | 2022-08-02 | 徐州徐工挖掘机械有限公司 | Control method and system for matching speeds of excavator under different working conditions |
| CN113482087A (en) * | 2021-07-28 | 2021-10-08 | 柳工常州机械有限公司 | Generic tool flow adjusting system and excavator |
| CN113983226B (en) * | 2021-10-26 | 2023-08-22 | 三一重机有限公司 | Excavator walking control method and device and excavator |
| CN114250818B (en) * | 2021-12-30 | 2023-05-12 | 徐州徐工挖掘机械有限公司 | Control method of multifunctional tool of excavator |
| CN114775723A (en) * | 2022-05-24 | 2022-07-22 | 江苏朗禾控制***有限公司 | Intelligent electric control handle for excavator |
| CN114960825A (en) * | 2022-07-26 | 2022-08-30 | 雷沃工程机械集团有限公司 | Hydraulic circuit for controlling excavator to walk by using handle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315376A (en) * | 1987-06-17 | 1988-12-23 | Toyota Autom Loom Works Ltd | Skid steering vehicle |
| JP3335677B2 (en) * | 1992-09-22 | 2002-10-21 | 株式会社小松製作所 | Travel operating device for construction machinery |
| US6292729B2 (en) * | 1999-04-14 | 2001-09-18 | Deere & Company | Vehicle function management system |
| CN210597443U (en) * | 2019-06-28 | 2020-05-22 | 三一重机有限公司 | Safety device of construction vehicle traveling system and construction vehicle |
| CN111663600B (en) * | 2020-06-08 | 2022-11-11 | 雷沃工程机械集团有限公司 | Automatic cruising method and system for excavator |
-
2020
- 2020-12-08 CN CN202011421829.0A patent/CN112502232B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112502232A (en) | 2021-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112502232B (en) | Excavator control handle, traveling system and excavator | |
| CN106208238B (en) | phase-shifting full-bridge charger control system and control method | |
| CN110412920A (en) | A kind of control method of electrically driven curtain | |
| CN201763941U (en) | Non-contact magnetic induction AMT shift knob actuating mechanism | |
| CN106803675A (en) | Three-phase distribution circuit automatic regulating voltage method of the no-flashy-flow without electric arc gear shift | |
| CN203732904U (en) | Bus handle control system for rotary drilling rig | |
| CN103322181A (en) | Electromechanical combination gear-shifting operation system and engineering machinery | |
| CN202404409U (en) | Control system of variable frequency locomotive based on programmable logic controller (PLC) and touch screen | |
| CN201994900U (en) | Storage battery mining electric locomotive speed regulation device | |
| CN106050635B (en) | A kind of manual variable pump control system | |
| CN205991159U (en) | Electric cabinet loader FNR control system | |
| CN109713946B (en) | Modularized touch perception control device and method | |
| CN109853661B (en) | Variable priority control system of excavator and control method thereof | |
| CN114135545B (en) | Arm support control circuit and method of folding arm type overhead working truck | |
| CN204998342U (en) | Electrical system of road roller | |
| CA1088148A (en) | Speed control for rotatable element driven by direct current motors | |
| CN205876687U (en) | Manual variable pump control system | |
| CN207718202U (en) | A kind of ECM control systems based on intelligent pinboard | |
| CN207393603U (en) | The monolever hydraulic control operation system thereof of drilling machine | |
| CN106803676A (en) | Three-phase distribution circuit automatic regulating voltage method and its equipment of the no-flashy-flow without electric arc gear shift | |
| CN107628216B (en) | Comprehensive electric propulsion power system for ship and control center device thereof | |
| CN111856976A (en) | Control system and method for hydraulic motor of electric loader | |
| CN201432670Y (en) | Driver controller of electric power locomotive engine having signal output at redundancy level | |
| CN201825212U (en) | Electromagnetic gear shift device and electric hub | |
| CN215835335U (en) | Single-knob multifunctional direct current motor control device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.75, Huanghe East Road, Huangdao District, Qingdao City, Shandong Province 266599 Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: No.75, Huanghe East Road, Huangdao District, Qingdao City, Shandong Province 266599 Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |