CN209469495U - The automatically controlled adjustment device of engine oil advance angle - Google Patents
The automatically controlled adjustment device of engine oil advance angle Download PDFInfo
- Publication number
- CN209469495U CN209469495U CN201822010075.4U CN201822010075U CN209469495U CN 209469495 U CN209469495 U CN 209469495U CN 201822010075 U CN201822010075 U CN 201822010075U CN 209469495 U CN209469495 U CN 209469495U
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- centre wheel
- gear
- engine
- ecu
- 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
- 239000010705 motor oil Substances 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 239000000446 fuel Substances 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 description 7
- 239000010710 diesel engine oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
The utility model discloses a kind of automatically controlled adjustment devices of engine oil advance angle, are placed outside mechanical injection pump and are controlled by ECU；Including first planetary gear deceleration mechanism and the second planetary gear speed reducing mechanism, second gear ring also serves as cam shaft gear, first gear ring and cam axis connection, first planetary gear deceleration mechanism is identical as corresponding gear in second planetary gear reducing mechanism, realizes the equal revolving speeds operation of first gear ring and second gear ring.ECU acquires engine operating condition information, and inquires the position of corresponding second centre wheel of best fuel supply advance angle degree of each operating condition engine of calibration, and the ECU makes second centre wheel turn to the position of calibration by the centre wheel angle controller.The utility model according to the fuel supply advance angle of the different Operating condition adjustment engines of engine, can make the operating condition of engine be in best under the premise of not changing former engine fuel system.
Description
Technical field
The utility model relates to diesel motor fuel feed system technical fields, more particularly to a kind of and mechanical oil spout
Pump the automatically controlled adjustment device of matching used engine oil advance angle.
Background technique
Traditional diesel engine oil supply system carries out fuel feeding using mechanical injection pump, and the fuel feeding moment is by cam shape
Shape determines, as shown in Figure 1, crankshaft toothed wheel E and cam shaft gear D engaged transmission, for four-stroke engine, crankshaft toothed wheel
The gear ratio of E and cam shaft gear D are as follows: 1:2, for two stroke engine, gear ratio 1:1, camshaft B and cam
Shaft gear D links, and is provided with cam C on camshaft B, closes the linkage that cam C keeps stringent in crankshaft toothed wheel E and injection pump
System guarantees injection pump in strict accordance with the angular position commencement of fuel injection of crankshaft.
Diesel engine corresponds to a best fuel supply advance angle, all under different operating conditions in order to refer to the performance of engine
Mark reaches best, it is desirable to according to the operating condition of engine, be adjusted to the supply timing of engine, but above-mentioned traditional diesel oil hair
Motivation oil supply system cannot be adjusted in real time according to the operating condition of engine, the performance indicator of engine is made to be affected.
Traditional fuel supply advance angle automatic regulator, can according to the rotation speed change of engine, adjust automatically fuel supply advance angle,
But oil supply angle is only partially adjusted with the variation of revolving speed, is difficult for oil supply angle to be adjusted to the best time, and cannot be with negative
The variation of lotus changes oil supply angle, and application effect is restricted.
Chinese utility model patent CN86201594U discloses a kind of high-pressure injection pump of adjustable fuel supply advance angle, supplies
Although advance angle oil automatically controlled can adjust, it needs to be transformed injection pump.
Chinese utility model patent CN202690286U discloses a kind of single cylinder diesel engine oil jet pump fuel supply advance angle tune
Regulating device, although can be adjusted by the automatically controlled fuel feeding moment, fuel delivery is also changed while changing the fuel feeding moment, the dress
It installs inside injection pump, needs each plunger that will increase a set of mechanism, structure is complicated.
Utility model content
For the above-mentioned deficiency of the prior art, the utility model provides a kind of automatically controlled adjustment dress of engine oil advance angle
It sets, it, can be according to the fuel feeding of the different Operating condition adjustment engines of engine under the premise of not changing former engine fuel system
Advance angle makes the operating condition of engine be in best.
In order to solve the above technical problems, the utility model uses a kind of automatically controlled adjustment device of engine oil advance angle, outside
It is placed in mechanical injection pump and is controlled by ECU；It include: first planetary gear deceleration mechanism, the first planetary gear speed reducer
Structure includes the first gear ring, the first planetary gear and the first centre wheel, first ring gear against rotation installation and with the mechanical oil spout
The camshaft of pump is fixedly connected；Second planetary gear reducing mechanism, second planetary gear reducing mechanism include also serving as cam
The second gear ring, the second planetary gear and the second centre wheel of shaft gear；First planetary gear deceleration mechanism and second row
Corresponding gear is identical in star gear reduction, and first planetary gear and second planetary gear are rotatablely connected by pin shaft
Together；First centre wheel is fixedly connected with center-wheel arbor, and the center-wheel arbor is fixedly mounted, the second center rotation
Dynamic to be installed on the center-wheel arbor, second centre wheel is sequentially connected with centre wheel angle controller, the center rotation
Angle control is controlled by the ECU；Sensor, for detecting the angle position of second centre wheel, the sensor with
The ECU electrical connection, the ECU acquires engine operating condition information, and the best fuel feeding for inquiring each operating condition engine of calibration mentions
The position of corresponding second centre wheel of preceding angle, the ECU make second center by the centre wheel angle controller
Wheel turns to the position of calibration.
Wherein, the centre wheel angle controller includes the adjustment gear driven by power device, the adjustment gear
It is engaged with second centre wheel.
Wherein, the power device is motor.
After adopting the above technical scheme, the technical effect of the utility model is:
1) in the utility model, the first planet tooth is provided between the camshaft and cam shaft gear of mechanical injection pump
Take turns deceleration mechanism and the second planetary gear reducing mechanism, this two sets of deceleration mechanisms be respectively provided with independent gear ring, planetary gear and in
Heart wheel, and two planetary gears will be rotatably connected with same pin shaft, realize the connection of two planetary gear reducing mechanisms,
And second second gear ring of planetary gear reducing mechanism also serve as cam shaft gear, the first tooth of first planetary gear deceleration mechanism
Circle and cam axis connection, first planetary gear deceleration mechanism and corresponding gear in second planetary gear reducing mechanism
It is identical, to realize the equal revolving speeds operation of first gear ring and second gear ring.ECU acquires engine operating condition information,
And the position of corresponding second centre wheel of best fuel supply advance angle degree of each operating condition engine of calibration is inquired, the ECU passes through
The centre wheel angle controller makes second centre wheel turn to the position of calibration, and injection pump is by the optimal fuel feeding moment
For engine oil.
2) in the utility model, the second gear ring of the second planetary gear reducing mechanism also serves as cam shaft gear, makes whole knot
Structure is more compact.
In conclusion the utility model is under the premise of changing former engine fuel system, it can be according to engine
The fuel supply advance angle of different Operating condition adjustment engines makes the operating condition of engine be in best.
Detailed description of the invention
Fig. 1 is a kind of well known diesel motor fuel feed system structure sectional view；
Fig. 2 is the structural schematic diagram of the automatically controlled adjustment Installation practice of the utility model engine oil advance angle；
In figure:
1a- camshaft, the first centre wheel of 21a-, the first planetary gear of 22a-, the first gear ring of 23a-, the second centre wheel of 31a-,
The second planetary gear of 32a-, the second gear ring of 33a-, 4a- pin shaft, 5- centre wheel angle controller, 6- center-wheel arbor, 7- crank teeth
Wheel, 8- sensor；
The mechanical injection pump of A-, B- camshaft, C- cam, D- cam shaft gear, E- crankshaft toothed wheel.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Fig. 2, a kind of automatically controlled adjustment device of engine oil advance angle, it is placed outside mechanical injection pump and controlled
In ECU.
Between the camshaft 1a and cam shaft gear of mechanical injection pump be provided with first planetary gear deceleration mechanism and
Second planetary gear reducing mechanism, this two sets of deceleration mechanisms are respectively provided with independent gear ring, planetary gear and centre wheel, and with same
Two sets of planetary gears will be rotatably connected by pin shaft.Specific structure is as follows:
First planetary gear deceleration mechanism includes the first gear ring 23a, the first planetary gear 22a and the first centre wheel 21a,
First gear ring 23a is rotatablely installed and is fixedly connected with the camshaft 1a of the mechanical injection pump.Second planetary gear reduction
Fast mechanism includes the second gear ring 33a, the second planetary gear 32a and the second centre wheel 31a, and the second gear ring 33a is also served as and crankshaft toothed wheel
The cam shaft gear of 7 engagements.First centre wheel 21a is fixedly connected with center-wheel arbor 6, and center-wheel arbor 6 is fixedly mounted, the
Two centre wheel 31a are rotatablely installed in the center-wheel arbor 6.
The first planetary gear 22a and the second planetary gear 32a is rotatably connected by pin shaft 4a, thus institute
It states first planetary gear deceleration mechanism to connect with second planetary gear reducing mechanism, and the first planetary gear subtracts
Fast mechanism is identical as corresponding gear in second planetary gear reducing mechanism, so that the first gear ring 23a and the second gear ring 33a
Revolving speed it is identical.
Second gear ring 33a is sequentially connected with centre wheel angle controller 5, and centre wheel angle controller 5 is controlled by institute
State ECU.
Sensor 8 is used to detect the angle position of the second centre wheel 31a, and sensor 8 is electrically connected with ECU, ECU acquisition hair
Motivation work information, and inquire the corresponding second centre wheel 31a of best fuel supply advance angle degree of each operating condition engine of calibration
Position makes the second centre wheel 31a turn to the position of calibration by centre wheel angle controller 5.
In the present embodiment, centre wheel angle controller 5 includes the adjustment gear driven by power device, the adjustment tooth
Wheel is engaged with the second centre wheel 31a, and the power device is preferably torque motor.Centre wheel angle controller 5 can also be
The worm gear mechanism being driven by motor, motor driven worm screw, worm gear are set to the outer peripheral surface of rotation gear ring.Centre wheel corner control
Device 5 processed can also be realized by hydraulic gyration mechanism.The structure of centre wheel angle controller 5 is not limited to this, all
Can make to rotate the mechanism that gear ring turns to calibration position under the control of ECU, it is whether mechanical and or it is hydraulic be all feasible
's.
The utility model is not limited to the above embodiment, all design, principle, structure and methods based on the utility model
Made various improvement, fall within the protection scope of the utility model.
Claims (3)
1. a kind of automatically controlled adjustment device of engine oil advance angle, is placed outside mechanical injection pump and is controlled by ECU；Its feature exists
In, comprising:
First planetary gear deceleration mechanism, first planetary gear deceleration mechanism include the first gear ring, the first planetary gear and the
One centre wheel, first ring gear against rotation are installed and are fixedly connected with the camshaft of the mechanical injection pump；
Second planetary gear reducing mechanism, second planetary gear reducing mechanism include the second tooth for also serving as cam shaft gear
Circle, the second planetary gear and the second centre wheel；
First planetary gear deceleration mechanism is identical as corresponding gear in second planetary gear reducing mechanism, and described
One planetary gear is rotatably connected with second planetary gear by pin shaft；
First centre wheel is fixedly connected with center-wheel arbor, and the center-wheel arbor is fixedly mounted, the second centre wheel rotation
It is installed on the center-wheel arbor, second centre wheel is sequentially connected with centre wheel angle controller, the centre wheel corner
Control device is controlled by the ECU；
Sensor, for detecting the angle position of second centre wheel, the sensor is electrically connected with the ECU, the ECU
Engine operating condition information is acquired, and inquires corresponding second centre wheel of best fuel supply advance angle degree of each operating condition engine of calibration
Position, the ECU makes second centre wheel turn to the position of calibration by the centre wheel angle controller.
2. the automatically controlled adjustment device of engine oil advance angle as described in claim 1, which is characterized in that the centre wheel corner
Control device includes the adjustment gear driven by power device, and the adjustment gear is engaged with second centre wheel.
3. the automatically controlled adjustment device of engine oil advance angle as claimed in claim 2, which is characterized in that the power device is
Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010075.4U CN209469495U (en) | 2018-11-30 | 2018-11-30 | The automatically controlled adjustment device of engine oil advance angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010075.4U CN209469495U (en) | 2018-11-30 | 2018-11-30 | The automatically controlled adjustment device of engine oil advance angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209469495U true CN209469495U (en) | 2019-10-08 |
Family
ID=68088797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822010075.4U Active CN209469495U (en) | 2018-11-30 | 2018-11-30 | The automatically controlled adjustment device of engine oil advance angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209469495U (en) |
-
2018
- 2018-11-30 CN CN201822010075.4U patent/CN209469495U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4986801A (en) | Device for a relative angular adjustment between two shafts connected to one another by driving means | |
| CN106837460B (en) | Continuously variable valve timing device of internal combustion engine | |
| DE60019772D1 (en) | Internal combustion engine with variable compression ratio and adjustable valve timing | |
| CN110295964A (en) | A kind of engine valve control device that motor is adjusted | |
| DE3619956A1 (en) | Device for the automatic adjustment of the angle of rotation of a camshaft of internal combustion engines, especially for motor vehicles | |
| CN209469496U (en) | The automatically controlled adjustment device of engine oil advance angle | |
| CN202100332U (en) | Engine valve lifting and opening duration angle continuous control mechanism | |
| CN209469495U (en) | The automatically controlled adjustment device of engine oil advance angle | |
| KR20120089337A (en) | Variable valve timing device | |
| US7275506B2 (en) | Device for the variable setting of the control times of gas-exchange valves of an internal combustion engine | |
| JP2007071056A5 (en) | ||
| CN209385241U (en) | The automatically controlled adjustment device of engine oil advance angle | |
| CN104131854B (en) | Technique capable of continuously changing timing, phase and lift of valve of engine | |
| CN109653881A (en) | The automatically controlled adjustment device of engine oil advance angle | |
| CN109653879A (en) | The automatically controlled adjustment device of engine oil advance angle | |
| CN109653880A (en) | The automatically controlled adjustment device of engine oil advance angle | |
| CN104948249B (en) | Valve clearance governor motion | |
| CN107489470A (en) | A kind of engine and its VVT gear | |
| CN206707791U (en) | A kind of mechanical IC engine camshaft variable valve timing mechanism | |
| CN103925029B (en) | Variable valve lift driving device | |
| CN209179880U (en) | The automatically controlled adjustment device of engine oil advance angle | |
| CN206647145U (en) | A kind of internal-combustion engine continuous variable valve timing apparatus | |
| CN102943699B (en) | Cam rocker arm mechanism for internal combustion engine | |
| CN106121758B (en) | Variable valve timing advance/retard mechanism | |
| CN106545379B (en) | A kind of valve stroke continuous changeable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |