CN209469496U - The automatically controlled adjustment device of engine oil advance angle - Google Patents
The automatically controlled adjustment device of engine oil advance angle Download PDFInfo
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- CN209469496U CN209469496U CN201822010144.1U CN201822010144U CN209469496U CN 209469496 U CN209469496 U CN 209469496U CN 201822010144 U CN201822010144 U CN 201822010144U CN 209469496 U CN209469496 U CN 209469496U
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- gear
- gear ring
- planetary gear
- advance angle
- engine
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- 239000010705 motor oil Substances 0.000 title claims abstract description 17
- 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 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000010710 diesel engine oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 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
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- High-Pressure Fuel Injection Pump Control (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, first centre wheel is fixedly connected with the camshaft of mechanical injection pump, second centre wheel is fixedly connected with cam shaft gear, first planetary gear deceleration mechanism is identical as corresponding gear in second planetary gear reducing mechanism, and the first planetary gear is rotatably connected with the second planetary gear by pin shaft；Rotation gear ring is sequentially connected with gear ring angle controller, ECU acquires engine operating condition information, and the position for the corresponding rotation gear ring of best fuel supply advance angle degree for inquiring each operating condition engine of calibration, ECU make the position for rotating gear ring and turning to calibration by gear ring 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, the cam of first centre wheel and the mechanical injection pump
Axis is fixedly connected；Second planetary gear reducing mechanism, second planetary gear reducing mechanism include the second gear ring, the second planet
Wheel and the second centre wheel, second centre wheel are fixedly connected with cam shaft gear；First planetary gear deceleration mechanism with
Corresponding gear is identical in second planetary gear reducing mechanism, and first planetary gear and second planetary gear pass through pin
Axis is rotatably connected；In first gear ring and second gear ring, one be fixedly mounted be denoted as fixed gear ring, separately
One be rotational installation be denoted as rotation gear ring, the rotation gear ring is sequentially connected with gear ring angle controller, the gear ring
Angle controller is controlled by the ECU；Sensor, for detect it is described rotation gear ring angle position, 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 corresponding position for rotating gear ring of preceding angle, the ECU make the rotation ring gear against rotation by the gear ring angle controller
To the position of calibration.
Wherein, first planetary gear deceleration mechanism and second planetary gear reducing mechanism are located at the camshaft
Between gear and the camshaft.
Wherein, the cam shaft gear rotational installation is in the camshaft, and the second centre wheel rotational installation is in described
Camshaft, the camshaft are fixedly connected axially across second centre wheel with first centre wheel.
Wherein, the gear ring angle controller includes the adjustment gear driven by power device, and the rotation gear ring is set
It is equipped with external gear, the adjustment gear is engaged with the external gear.
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
Wheel deceleration mechanism and the second planetary gear reducing mechanism, this two sets deceleration mechanisms being connected are respectively provided with independent gear ring, row
Star-wheel and centre wheel, and two planetary gears will be rotatably connected with same pin shaft, realize two planet-gear speed reducers
The connection of structure.ECU acquires engine operating condition information, and the best fuel supply advance angle degree for inquiring each operating condition engine of calibration is corresponding
Rotation gear ring position, ECU makes to rotate gear ring by gear ring angle controller turns to the position of calibration, and injection pump is pressed most
The good fuel feeding moment is engine oil.
2) in the utility model, the cam shaft gear rotational installation is in the camshaft, the second centre wheel rotation
It is installed on the camshaft, the camshaft is fixedly connected axially across second centre wheel with first centre wheel, should
Structure is more compact, reequips and is easier on conventional engines.
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 structure sectional view of the automatically controlled adjustment Installation practice 1 of the utility model engine oil advance angle；
Fig. 3 is the forward structure schematic diagram of the second planetary gear reducing mechanism and its associated components in Fig. 1；
Fig. 4 is the structure sectional view of the automatically controlled adjustment Installation practice 2 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- gear ring angle controller, 6- cam shaft gear, 7- crank teeth
Wheel, 8- sensor；
1b- camshaft, the first centre wheel of 21b-, the first planetary gear of 22b-, the first gear ring of 23b-, the second centre wheel of 31b-,
The second planetary gear of 32b-, the second gear ring of 33b-, 4b- pin shaft；
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.
Embodiment 1
As Fig. 2 and Fig. 3 jointly shown in, a kind of automatically controlled adjustment device of engine oil advance angle is placed outside mechanical spray
Oil pump is simultaneously controlled by ECU.
The first planetary gear being connected is provided between the camshaft 1a and cam shaft gear 6 of mechanical injection pump to subtract
Fast mechanism and the second planetary gear reducing mechanism, this two sets of deceleration mechanisms are respectively provided with independent gear ring, planetary gear and centre wheel,
And two sets of planetary gears will be rotatably connected with same 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 the fixed gear ring being fixedly mounted, and the camshaft 1a of the first centre wheel 21a and the mechanical injection pump are fixed
Connection.
Second planetary gear reducing mechanism includes the second gear ring 33a, the second planetary gear 32a and the second centre wheel 31a,
Second gear ring 33a is the rotation gear ring of rotational installation, and the second centre wheel 31a is fixedly connected with cam shaft gear 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 centre wheel 21a and the second center
The revolving speed for taking turns 31a is identical.
Second gear ring 33a transmission connection rack gear angle controller 5, gear ring angle controller 5 is controlled by described
ECU。
Sensor 8 is used to detect the angle position of rotation gear ring, and sensor 8 is electrically connected with ECU, and ECU acquires engine work
Condition information, and the position for the corresponding rotation gear ring of best fuel supply advance angle degree for inquiring each operating condition engine of calibration, pass through tooth
Circle angle controller 5 makes to rotate the position that gear ring turns to calibration.
In the present embodiment, gear ring angle controller 5 includes the adjustment gear driven by power device, rotation gear ring setting
There is external gear, the adjustment gear is engaged with the external gear, and the power device is preferably torque motor.The control of gear ring corner
Device 5 can also be that the worm gear mechanism being driven by motor, motor driven worm screw, worm gear are set to the periphery of rotation gear ring
Face.Gear ring angle controller 5 can also be realized by hydraulic gyration mechanism.The structure of gear ring angle controller 5 is not limited to
In this, all can make to rotate the mechanism that gear ring turns to calibration position under control of the ecu, whether mechanical and or hydraulic
Be all feasible.
In the present embodiment, the first gear ring 23a can also can also be with using the rotation gear ring of rotational installation, the second gear ring 33a
Using the fixed gear ring of fixed installation.
Embodiment 2
As shown in figure 4, the structure of embodiment 2 is substantially the same manner as Example 1, the difference is that, cam shaft gear 6 rotates
It is installed on camshaft 1b, the second centre wheel 31b is rotatablely installed in camshaft 1b, and camshaft 1b is axially across the second centre wheel 31b
It is fixedly connected with the first centre wheel 21b.Compared with Example 1, the structure is more compact, is easier to change on conventional engines
Dress.
In the present embodiment, the first gear ring 23b is rotation gear ring, and the second gear ring 33a is that fixed gear ring is in actual use
It is easy for installation, the two can also be exchanged.
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 (7)
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 centre wheel are fixedly connected with the camshaft of the mechanical injection pump；
Second planetary gear reducing mechanism, second planetary gear reducing mechanism include the second gear ring, the second planetary gear and the
Two centre wheels, second centre wheel are fixedly connected with cam shaft gear；
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；
In first gear ring and second gear ring, one be fixedly mounted be denoted as fixed gear ring, the other is rotation peace
Dress is denoted as rotation gear ring, and the rotation gear ring is sequentially connected with gear ring angle controller, the gear ring angle controller
It is controlled by the ECU；
Sensor, for detecting the angle position of the rotation gear ring, the sensor is electrically connected with the ECU, and the ECU is adopted
Collect engine operating condition information, and the position of the corresponding rotation gear ring of the best fuel supply advance angle degree for inquiring each operating condition engine of calibration
It sets, the ECU makes the position for rotating gear ring and turning to calibration by the gear ring angle controller.
2. the automatically controlled adjustment device of engine oil advance angle as described in claim 1, which is characterized in that the first planet tooth
Deceleration mechanism and second planetary gear reducing mechanism are taken turns between the cam shaft gear and the camshaft.
3. the automatically controlled adjustment device of engine oil advance angle as claimed in claim 2, which is characterized in that first gear ring is
Fixed gear ring, second gear ring are rotation gear rings.
4. the automatically controlled adjustment device of engine oil advance angle as described in claim 1, which is characterized in that the cam shaft gear
It is rotatablely installed in the camshaft, the second centre wheel rotational installation is in the camshaft, and the camshaft is axially across institute
The second centre wheel is stated to be fixedly connected with first centre wheel.
5. the automatically controlled adjustment device of engine oil advance angle as claimed in claim 4, which is characterized in that first gear ring is
Gear ring is rotated, second gear ring is fixed gear ring.
6. the automatically controlled adjustment device of engine oil advance angle as described in claim 1, which is characterized in that the gear ring corner control
Device processed includes the adjustment gear driven by power device, and the rotation gear ring is provided with external gear, the adjustment gear and institute
State external gear engagement.
7. the automatically controlled adjustment device of engine oil advance angle as claimed in claim 6, which is characterized in that the power device is
Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010144.1U CN209469496U (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 |
|---|---|---|---|
| CN201822010144.1U CN209469496U (en) | 2018-11-30 | 2018-11-30 | The automatically controlled adjustment device of engine oil advance angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209469496U true CN209469496U (en) | 2019-10-08 |
Family
ID=68088642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822010144.1U Active CN209469496U (en) | 2018-11-30 | 2018-11-30 | The automatically controlled adjustment device of engine oil advance angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209469496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653879A (en) * | 2018-11-30 | 2019-04-19 | 潍坊力创电子科技有限公司 | The automatically controlled adjustment device of engine oil advance angle |
-
2018
- 2018-11-30 CN CN201822010144.1U patent/CN209469496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653879A (en) * | 2018-11-30 | 2019-04-19 | 潍坊力创电子科技有限公司 | The automatically controlled adjustment device of engine oil advance angle |
| CN109653879B (en) * | 2018-11-30 | 2024-04-09 | 潍坊力创电子科技有限公司 | Engine oil supply advance angle electric control adjusting device |
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