CN103196469B - A kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof - Google Patents
A kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof Download PDFInfo
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- CN103196469B CN103196469B CN201310101490.XA CN201310101490A CN103196469B CN 103196469 B CN103196469 B CN 103196469B CN 201310101490 A CN201310101490 A CN 201310101490A CN 103196469 B CN103196469 B CN 103196469B
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- fuel
- stay cord
- flow control
- control lever
- transmission stay
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The present invention relates to a kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof, the fuel-flow control lever that this device comprises rotating potentiometer and is connected with throttle stay cord, the rotating shaft of described rotating potentiometer is provided with an interlock fork, described fuel-flow control lever is connected through a transmission stay cord with described interlock fork, the length of described transmission stay cord and the spindle central of described rotating potentiometer to described fuel-flow control lever pivot point between distance equal, the tie point of described transmission stay cord and interlock fork is equal to the distance between described pivot point with the tie point of described transmission stay cord and fuel-flow control lever to the distance between described spindle central.This device and installation method thereof can ensure that the anglec of rotation of rotating potentiometer truly reflects the throttle opening information of engine reality, accelerator open degree and rotating potentiometer are outputed signal and keeps reliable linear relationship, improve the accuracy that accelerator open degree detects.
Description
Technical field
The present invention relates to engine throttle location detecting technology field, particularly a kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof.
Background technology
Vehicle diesel engine repacking is become electronically controlled dual-fuel engine, and wherein the accelerator opening amount signal of Obtaining Accurate driver and the tach signal of engine are the Back ground Informations of electric-control system most critical.For adopting the vehicle diesel engine of mechanical speed governors, the accelerator open degree wish of driver acts on the throttle speed regulating pull bar of control oil mass rack position eventually through stay cord, and the pendulum angle of speed governing pull bar is directly proportional to the stroke of driver's gas pedal.In the control system of above-mentioned diesel motor, the general detection method of accelerator open degree position is: install pedal position sensor under the gas pedal in pilothouse, the opening amount signal of extracting directly pedal.
The vehicle diesel engine of mechanical pump type, driver steps on the throttle pedal, pedal travel finally acts on the oil mass speed governing pull bar on speed regulator through a series of lever construction, stay cord etc., the pivot angle size of oil mass speed governing pull bar affects the position of oil mass tooth bar, i.e. the pivot angle truly expressed accelerator open degree of oil mass speed governing pull bar.In the application of reality, because driver pedal stroke finally will act on oil mass speed governing pull bar through a series of lever construction, stay cord etc., unavoidably there is error at the transmittance process of this pedal travel, in fact along with the increase in car age, this error constantly increases.For example, the real accelerator open degree wish of driver is 70%, due to the existence of error, gas pedal be stepped on 80% stroke, the pivot angle of oil mass speed governing pull bar just can be made to reach the position of 70%.So directly installing pedal position sensor under gas pedal truly can not reflect the real throttle opening information of engine to obtain throttle opening information on mechanical pump type vehicle diesel engine.
Summary of the invention
The object of the present invention is to provide a kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof, this device and installation method thereof can ensure that the anglec of rotation of rotating potentiometer truly reflects the throttle opening information of engine reality, accelerator open degree and rotating potentiometer are outputed signal and keeps reliable linear relationship, improve the accuracy that accelerator open degree detects.
For achieving the above object, technical scheme of the present invention is: a kind of dual-fuel engine accelerator open degree pick-up unit, the fuel-flow control lever comprising rotating potentiometer and be connected with throttle stay cord, the rotating shaft of described rotating potentiometer is provided with an interlock fork, described fuel-flow control lever is connected through a transmission stay cord with described interlock fork, the length of described transmission stay cord and the spindle central of described rotating potentiometer to described fuel-flow control lever pivot point between distance equal, the tie point of described transmission stay cord and interlock fork is equal to the distance between described pivot point with the tie point of described transmission stay cord and fuel-flow control lever to the distance between described spindle central.
The tie point of the tie point of above-mentioned transmission stay cord and fuel-flow control lever, described throttle stay cord and fuel-flow control lever is divided into the pivot point both sides of described fuel-flow control lever.
Present invention also offers the installation method of above-mentioned dual-fuel engine accelerator open degree pick-up unit: comprise the following steps:
(1) an interlock fork is set in the rotating shaft of described rotating potentiometer;
(2) get one for connecting the transmission stay cord of described fuel-flow control lever and interlock fork, the length of described transmission stay cord and the spindle central D of described rotating potentiometer to described fuel-flow control lever pivot point B between distance equal;
(3) on described fuel-flow control lever, 1 A is got as the tie point of described transmission stay cord on fuel-flow control lever, and measure this point to described fuel-flow control lever pivot point B between distance AB, then on described interlock fork, be defined as the tie point C of transmission stay cord on interlock fork with described spindle central for starting point the measures length equal with distance AB;
(4) described transmission stay cord two ends are connected on tie point A, C, the installation of finishing device.
The invention has the beneficial effects as follows
Compared with prior art, the invention has the beneficial effects as follows the parallelogram method mount scheme providing a kind of dual-fuel engine throttle position switch, ensure that from source obtained throttle opening information truly reflects the actual accelerator open degree of engine.Based on accelerator open degree pick-up unit of the present invention and installation method thereof, can ensure oil mass governor lever rotates how many angles well by parallel four limit row rules, similarly rotating potentiometer also rotates how many angles, can keep the linear relationship of accelerator open degree and rotating potentiometer and effectively improve its accuracy of detection.
Accompanying drawing explanation
Fig. 1 is the structural representation of accelerator open degree pick-up unit of the present invention.
Embodiment
Dual-fuel engine accelerator open degree pick-up unit of the present invention, as shown in Figure 1, the fuel-flow control lever 1 comprising rotating potentiometer 7 and be connected with throttle stay cord 4, the rotating shaft of described rotating potentiometer 7 is provided with an interlock fork 6, described fuel-flow control lever 1 is connected through a transmission stay cord 5 with described interlock fork 6, the length AC of described transmission stay cord 5 and the pivot point 3(B point of the spindle central D of described rotating potentiometer 7 to described fuel-flow control lever 1) between distance BD equal, distance CD and described transmission stay cord 5 between the tie point C to described spindle central D of described transmission stay cord 5 and interlock fork 6 and the tie point 2(A point of fuel-flow control lever 1) to described pivot point 3(B point) between distance AB equal.
The tie point 2(A point of above-mentioned transmission stay cord 5 and fuel-flow control lever 1), the tie point of described throttle stay cord 4 and fuel-flow control lever 1 is divided into pivot point 3 both sides of described fuel-flow control lever 1.
The installation method of dual-fuel engine accelerator open degree pick-up unit of the present invention: comprise the following steps:
(1) an interlock fork is set in the rotating shaft of described rotating potentiometer;
(2) get one for connecting the transmission stay cord 5 of described fuel-flow control lever 1 and interlock fork 6, the length AC of described transmission stay cord 5 and the spindle central D of described rotating potentiometer to described fuel-flow control lever 1 pivot point B between distance equal;
(3) on described fuel-flow control lever 1,1 A is got as the tie point of described transmission stay cord 5 on fuel-flow control lever 1, and measure this point to described fuel-flow control lever 1 pivot point B between distance AB, then on described interlock fork 6, be defined as the tie point C of transmission stay cord on interlock fork with described spindle central D for starting point the measures length equal with distance AB;
(4) described transmission stay cord 5 two ends are connected on tie point A, C, the installation of finishing device.Based on such installation, can ensure oil mass speed governing pull bar rotates how many angles, and same rotating potentiometer also rotates how many angles well by parallel four limit row rules, thus realize the linear relationship of throttle position aperture and pot position angle.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (2)
1. the installation method of a dual-fuel engine accelerator open degree pick-up unit, it is characterized in that: the fuel-flow control lever that this device comprises rotating potentiometer and is connected with throttle stay cord, the rotating shaft of described rotating potentiometer is provided with an interlock fork, described fuel-flow control lever is connected through a transmission stay cord with described interlock fork, the length of described transmission stay cord and the spindle central of described rotating potentiometer to described fuel-flow control lever pivot point between distance equal, the tie point of described transmission stay cord and interlock fork is equal to the distance between described pivot point with the tie point of described transmission stay cord and fuel-flow control lever to the distance between described spindle central, the installation method of this device comprises the following steps:
(1) an interlock fork is set in the rotating shaft of described rotating potentiometer;
(2) get one for connecting the transmission stay cord of described fuel-flow control lever and interlock fork, the length of described transmission stay cord and the spindle central D of described rotating potentiometer to described fuel-flow control lever pivot point B between distance BD equal;
(3) on described fuel-flow control lever, 1 A is got as the tie point of described transmission stay cord on fuel-flow control lever, and measure this point to described fuel-flow control lever pivot point B between distance AB, then on described interlock fork, be defined as the tie point C of described transmission stay cord on interlock fork with described spindle central for starting point the measures length equal with distance AB;
(4) described transmission stay cord two ends are connected on tie point A, C, the installation of finishing device.
2. the installation method of a kind of dual-fuel engine accelerator open degree pick-up unit according to claim 1, is characterized in that: the tie point of the tie point of described transmission stay cord and fuel-flow control lever, described throttle stay cord and fuel-flow control lever is divided into the pivot point both sides of described fuel-flow control lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310101490.XA CN103196469B (en) | 2013-03-27 | 2013-03-27 | A kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310101490.XA CN103196469B (en) | 2013-03-27 | 2013-03-27 | A kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103196469A CN103196469A (en) | 2013-07-10 |
| CN103196469B true CN103196469B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310101490.XA Expired - Fee Related CN103196469B (en) | 2013-03-27 | 2013-03-27 | A kind of dual-fuel engine accelerator open degree pick-up unit and installation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103196469B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785781A (en) * | 1986-12-03 | 1988-11-22 | Vdo Adolf Schindling Ag | Device for transmitting the position of a control element which can be actuated by the driver of a vehicle |
| CN1719011A (en) * | 2005-07-21 | 2006-01-11 | 贵州红华科技开发有限公司 | Control method of proportional electromagnetic type electron throttle and proportional electromagnet |
| CN2752461Y (en) * | 2004-08-11 | 2006-01-18 | 中国重型汽车集团有限公司 | Engine throttle aperture signal inputting apparatus |
| CN101429894A (en) * | 2008-12-15 | 2009-05-13 | 三一重工股份有限公司 | Diesel engine throttle position detection method and detection apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814077A (en) * | 1994-06-28 | 1996-01-16 | Kubota Corp | Speed governing device for spark ignition type engine |
-
2013
- 2013-03-27 CN CN201310101490.XA patent/CN103196469B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785781A (en) * | 1986-12-03 | 1988-11-22 | Vdo Adolf Schindling Ag | Device for transmitting the position of a control element which can be actuated by the driver of a vehicle |
| CN2752461Y (en) * | 2004-08-11 | 2006-01-18 | 中国重型汽车集团有限公司 | Engine throttle aperture signal inputting apparatus |
| CN1719011A (en) * | 2005-07-21 | 2006-01-11 | 贵州红华科技开发有限公司 | Control method of proportional electromagnetic type electron throttle and proportional electromagnet |
| CN101429894A (en) * | 2008-12-15 | 2009-05-13 | 三一重工股份有限公司 | Diesel engine throttle position detection method and detection apparatus |
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| CN103196469A (en) | 2013-07-10 |
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