CN115928834A - Excavator accelerator knob checking method - Google Patents
Excavator accelerator knob checking method Download PDFInfo
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- CN115928834A CN115928834A CN202211533946.5A CN202211533946A CN115928834A CN 115928834 A CN115928834 A CN 115928834A CN 202211533946 A CN202211533946 A CN 202211533946A CN 115928834 A CN115928834 A CN 115928834A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012790 confirmation Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000009191 jumping Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The invention discloses a checking method for an accelerator knob of an excavator, which comprises the steps of adding an accelerator knob setting function on a display and control integrated machine, when the accelerator gears are displayed normally, the function is not needed to be used, entering an accelerator knob setting page after wrong gears or skip gears appear on the display and control integrated machine, rotating the accelerator knob according to the prompt of the page, pressing a confirmation key once every gear is rotated, automatically acquiring and recording the actual input voltage of each gear of the accelerator knob by a system at the moment, pressing the confirmation key for storage until 10 gears are completely determined, completing accelerator rotation setting at the moment, checking each gear of the accelerator knob, rotating the accelerator knob again, enabling the corresponding gear to be completely consistent with the displayed gear, and enabling wrong gears or skip gears to disappear on site.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a checking method for an accelerator knob of an excavator.
Background
At present, the speed and energy consumption control of an excavator basically adopts a combined form of mode control and gear selection, the mode control is in modes of heavy load, light load, crushing, flat ground and the like, a user can select the modes according to working conditions and preferences, a plurality of gears (generally 10 gears) can be selected under each mode, the higher the gear is, the higher the corresponding speed is, the current gear control is basically realized by rotating an accelerator knob, a sliding rheostat is arranged in the accelerator knob, a steel ball is arranged at the upper rotating part, a groove is arranged at the bottom mounting plate, and the resistance value of a variable resistor is driven to change when the upper part rotates, so that different voltages are output (the structure of the accelerator knob is shown in figure 1), then an accelerator motor is controlled by an accelerator controller or an engine controller is used for controlling the accelerator of an engine, so that the engine outputs different rotating speeds are controlled, and then the rotating speed is fed back to a control display machine by a rotating speed sensor for rotating speed display (the structure of the accelerator control system of the excavator is shown in figure 2).
Because the resistance value of each gear of the accelerator knob has a certain range, when the resistance value of a certain gear exceeds the set range, the voltage output by the accelerator knob also deviates from the set range, and an accelerator potentiometer in the display and control all-in-one machine receives the deviated or unstable voltage, so that a screen has wrong gear (the display gear is inconsistent with the gear of the knob) or gear jumping (the gears jump back and forth) phenomena.
Because the accelerator knobs are supplied by a plurality of manufacturers, voltage calibration values of all gears of the accelerator knobs of different manufacturers are different, the same electric control program cannot meet application requirements of the plurality of manufacturers, and the problem that the electric parts are installed and are not matched with the program can be caused.
Therefore, the method for ensuring the consistent gear of the accelerator knob and the display gear, rapidly solving the phenomena of gear skipping and gear missing and reducing the fault rate is designed, and is the problem to be solved by the inventor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for checking an accelerator knob of an excavator, which can realize the functions of ensuring that the gear of the accelerator knob is consistent with the display gear, quickly solving the phenomena of gear jumping and gear missing and reducing the fault rate.
The technical scheme adopted by the device is as follows: a method for checking an accelerator knob of an excavator comprises the following steps:
(1) An accelerator knob setting function is added on the display and control integrated machine;
(2) When the throttle gear is displayed normally, the function is not needed, and when a wrong gear or a gear skipping occurs on the display and control integrated machine, the display and control integrated machine enters a throttle knob setting page;
(3) Rotating the accelerator knob according to the prompt of the page, pressing a confirmation key once when the accelerator knob rotates for one gear, automatically acquiring and recording the actual input voltage of each gear of the accelerator knob by the system at the moment, and pressing the confirmation key for storage until all 10 gears are completely rotated and confirmed;
(4) At the moment, the rotation of the accelerator is set, each gear of the accelerator knob is checked, after the accelerator knob is rotated again, the corresponding gear is completely consistent with the displayed gear, and the wrong gear or the skip gear disappears on site.
Furthermore, an accelerator knob is arranged in the display and control all-in-one machine.
Further, an accelerator gear algorithm is preset in the display and control integrated machine.
Further, the accelerator knob gear comprises 10 gears.
Further, the center typical voltage values of 10 of the shift positions are, respectively, 1.67V for shift position 1, 1.86V for shift position 2, 2.04V for shift position 3, 2.22V for shift position 4, 2.42V for shift position 5, 2.61V for shift position 6, 2.80 for shift position 7, 3.00V for shift position 8, 3.19V for shift position 9, and 3.37V for shift position 10.
Further, the throttle knob comprises a shell, a cap is rotatably assembled on one side of the shell, a bottom plate is arranged at the end of the object, a rheostat is arranged on one side of the bottom plate, the rheostat is connected with a wire harness, and the wire harness is connected with the display and control all-in-one machine.
The device of the invention has the beneficial effects that:
1. according to the invention, by adding the function of setting the accelerator knob to the display and control integrated machine, the problems of wrong gear and skip gear can be solved by one-to-one correction according to steps under the condition of wrong gear and skip gear, the method is quick and convenient, the accessory is not required to be replaced, the cost and the operation time are invisibly saved, the condition that the gears of the accelerator knob are consistent with the display gears is ensured, the phenomena of skip gear and wrong gear are quickly solved, and the fault rate is reduced.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
FIG. 2 is a block diagram of a conventional excavator throttle control system.
FIG. 3 is a flow chart of the throttle gear algorithm of the present invention.
FIG. 4 is a schematic diagram of the system interface of the present invention.
Fig. 5 is a view showing the structure of the throttle knob of the present invention.
Description of reference numerals: 1-a varistor; 2-a bottom plate; 3-a cap; 4-a shell; 5-harness.
Detailed Description
The apparatus of the present invention will be further illustrated with reference to specific examples, which are provided for illustration only and are not intended to limit the scope of the invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the teaching of the apparatus of the present invention, and such equivalents also fall within the scope of the claims appended hereto.
Referring to fig. 1 to 5, which are a system block diagram of the invention, a traditional excavator throttle control system block diagram, an accelerator gear algorithm flow diagram of the invention, a system interface schematic diagram of the invention, and an accelerator knob structure view of the invention, an excavator accelerator knob checking method comprises the following steps:
(1) An accelerator knob setting function is added on the display and control integrated machine;
(2) When the throttle gear is displayed normally, the function is not needed, and when a wrong gear or a gear skipping occurs on the display and control integrated machine, the display and control integrated machine enters a throttle knob setting page;
(3) Rotating the accelerator knob according to the prompt of the page, pressing a confirmation key once when the accelerator knob rotates for one gear, automatically acquiring and recording the actual input voltage of each gear of the accelerator knob by the system at the moment, and pressing the confirmation key for storage until all 10 gears are completely rotated and confirmed;
(4) At the moment, the rotation of the accelerator is set, each gear of the accelerator knob is checked, after the accelerator knob is rotated again, the corresponding gear is completely consistent with the displayed gear, and the wrong gear or the skip gear disappears on site.
And an accelerator knob is arranged in the display and control all-in-one machine.
An accelerator gear algorithm is preset in the display and control integrated machine.
The accelerator knob gear comprises 10 gears.
The center typical voltage values for 10 gears are 1.67V for gear 1, 1.86V for gear 2, 2.04V for gear 3, 2.22V for gear 4, 2.42V for gear 5, 2.61V for gear 6, 2.80 for gear 7, 3.00V for gear 8, 3.19V for gear 9, and 3.37V for gear 10, respectively.
The accelerator knob comprises a shell 4, a cap 3 is rotatably assembled on one side of the shell 4, a bottom plate 2 is arranged at the end of an object, a rheostat 1 is arranged on one side of the bottom plate 2, the rheostat 1 is connected with a wire harness 5, and the wire harness 5 is connected with the display and control integrated machine.
See table 1 for throttle knob gear parameter table:
the invention changes the control strategy of the accelerator of the display and control integrated machine, and adds the setting function of the accelerator knob in the process of directly converting the signal of the accelerator potentiometer into gear information for display. The initial default gear display is consistent with the set voltage range of the accelerator knob, when the phenomenon of gear jumping or gear missing occurs, the accelerator knob is used for setting functions, the system automatically acquires and records the actual input voltage of each gear of the accelerator knob, the monitor gears can be matched with the new voltage interval range of each gear again through a pre-designed software program algorithm, and after 10 gears are acquired correspondingly, the monitoring is confirmed and stored, and the accelerator knob check is completed. At the moment, the gear setting on the display and control integrated machine is in correct one-to-one correspondence with the actual input voltage of each gear of the knob, so that the phenomenon of wrong gear or gear skipping caused by the fact that the input voltage of the accelerator knob is out of tolerance or the difference of components is solved, and the consistency of each gear and the actual set rotating speed is achieved.
According to the invention, by adding the function of setting the accelerator knob to the display and control integrated machine, the problems of wrong gear and skip gear can be solved by one-to-one correction according to steps under the condition of wrong gear and skip gear, the method is quick and convenient, the accessory is not required to be replaced, the cost and the operation time are invisibly saved, the condition that the gears of the accelerator knob are consistent with the display gears is ensured, the phenomena of skip gear and wrong gear are quickly solved, and the fault rate is reduced.
Claims (6)
1. A method for checking an accelerator knob of an excavator comprises the following steps:
(1) An accelerator knob setting function is added on the display and control integrated machine;
(2) When the throttle gear is displayed normally, the function is not needed, and when a wrong gear or a gear skipping occurs on the display and control integrated machine, the display and control integrated machine enters a throttle knob setting page;
(3) Rotating the accelerator knob according to the prompt of the page, pressing a confirmation key once when the accelerator knob rotates for one gear, automatically acquiring and recording the actual input voltage of each gear of the accelerator knob by the system at the moment, and pressing the confirmation key for storage until all 10 gears are completely rotated and confirmed;
(4) At the moment, the rotation of the accelerator is set, each gear of the accelerator knob is checked, after the accelerator knob is rotated again, the corresponding gear is completely consistent with the displayed gear, and the wrong gear or the skip gear disappears on site.
2. The excavator throttle knob checking method according to claim 1, characterized in that: and an accelerator knob is arranged in the display and control all-in-one machine.
3. The excavator throttle knob checking method according to claim 1, characterized in that: and an accelerator gear algorithm is preset in the display and control integrated machine.
4. The excavator throttle knob checking method according to claim 1, characterized in that: the accelerator knob gear comprises 10 gears.
5. The excavator throttle knob checking method according to claim 4, characterized in that: the center typical voltage values for 10 of the gears are 1.67V for gear 1, 1.86V for gear 2, 2.04V for gear 3, 2.22V for gear 4, 2.42V for gear 5, 2.61V for gear 6, 2.80 for gear 7, 3.00V for gear 8, 3.19V for gear 9, and 3.37V for gear 10, respectively.
6. The excavator throttle knob checking method according to claim 1, characterized in that: the accelerator knob comprises a shell, a cap is rotatably assembled on one side of the shell, a bottom plate is arranged at the end part of the object, a rheostat is arranged on one side of the bottom plate, the rheostat is connected with a wire harness, and the wire harness is connected with the display and control all-in-one machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211533946.5A CN115928834A (en) | 2022-12-02 | 2022-12-02 | Excavator accelerator knob checking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211533946.5A CN115928834A (en) | 2022-12-02 | 2022-12-02 | Excavator accelerator knob checking method |
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| Publication Number | Publication Date |
|---|---|
| CN115928834A true CN115928834A (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211533946.5A Pending CN115928834A (en) | 2022-12-02 | 2022-12-02 | Excavator accelerator knob checking method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0777270A (en) * | 1993-09-08 | 1995-03-20 | Nissan Motor Co Ltd | Control device of automatic transmission |
| CN103556668A (en) * | 2013-11-12 | 2014-02-05 | 上海华兴数字科技有限公司 | Control method for automatic calibration for excavator gear |
| CN204136868U (en) * | 2014-09-26 | 2015-02-04 | 徐州派特控制技术有限公司 | Grip gear detection device |
| CN104832298A (en) * | 2015-03-17 | 2015-08-12 | 北京市三一重机有限公司 | Engine gear control system and rotary drilling rig |
| CN208459791U (en) * | 2018-05-08 | 2019-02-01 | 中国第一汽车股份有限公司 | A kind of customized device of gas pedal aperture |
| CN217439048U (en) * | 2022-03-08 | 2022-09-16 | 上海茗爱电子有限公司 | Intelligent throttle switch of excavator |
-
2022
- 2022-12-02 CN CN202211533946.5A patent/CN115928834A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0777270A (en) * | 1993-09-08 | 1995-03-20 | Nissan Motor Co Ltd | Control device of automatic transmission |
| CN103556668A (en) * | 2013-11-12 | 2014-02-05 | 上海华兴数字科技有限公司 | Control method for automatic calibration for excavator gear |
| CN204136868U (en) * | 2014-09-26 | 2015-02-04 | 徐州派特控制技术有限公司 | Grip gear detection device |
| CN104832298A (en) * | 2015-03-17 | 2015-08-12 | 北京市三一重机有限公司 | Engine gear control system and rotary drilling rig |
| CN208459791U (en) * | 2018-05-08 | 2019-02-01 | 中国第一汽车股份有限公司 | A kind of customized device of gas pedal aperture |
| CN217439048U (en) * | 2022-03-08 | 2022-09-16 | 上海茗爱电子有限公司 | Intelligent throttle switch of excavator |
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Application publication date: 20230407 |
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