CN103883454B - The detecting method of engine oil advance angle - Google Patents
The detecting method of engine oil advance angle Download PDFInfo
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- CN103883454B CN103883454B CN201410134474.5A CN201410134474A CN103883454B CN 103883454 B CN103883454 B CN 103883454B CN 201410134474 A CN201410134474 A CN 201410134474A CN 103883454 B CN103883454 B CN 103883454B
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- pointer
- advance angle
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Abstract
The invention discloses a kind of detecting method of engine oil advance angle.The concrete steps of this detecting method comprise: step one: tear Injection Pump timing window swivel nut open, take out timing latch; Step 2: rotate steering wheel by engine operation and turn bent axle, and then rotate cam of injection pump axle by driving gear, make the timing pointer be contained on oil spout pump shaft forward the neutral position of oil pump timing window to; Step 3: plug together with the timing pointer that the bayonet socket of timing latch is aimed in oil pump timing window; Step 4: the bayonet socket of the timing latch of oil pump plug together completely put in place time, read belt pulley pointer and to make a comment or criticism the scale of belt pulley, be the fuel supply advance angle of motor first cylinder; Step 5: the multiple timing latch of dress and timing window swivel nut.This detecting method utilizes uniquely plugging together of Injection Pump timing latch and timing pointer, ensure that the uniqueness of Injection Pump first oil supply cylinder initial point, thus ensure that conformity, the accuracy of engine oil advance angle, and easily simple to operate.
Description
Technical field
The present invention relates to motor detection field, particularly a kind of detecting method of engine oil advance angle.
Background technique
Need during motor delivery test to check and control fuel supply advance angle, traditional inspection method emits oil process: turn engine crankshaft (namely rotating cam of injection pump axle) by engine operation rotation steering wheel and just opened bleed (i.e. the commencement of fuel supply) to Injection Pump first cylinder outlet valve, now corresponding crank angle is engine oil advance angle.Contrast technical order scope determines whether to readjust.
But adopt the Injection Pump first oil supply cylinder initial point that emits oil process to determine by many factors (throttle do not pull in maximum position, oil circuit have air, the speed of turning crankshaft, outlet valve sealing, outlet valve emit the control of oil mass standard, operator's experience etc.), be difficult in operation hold, commencement of fuel supply change in location is caused not have a uniqueness, thus the engine oil advance angle change causing inspection is inaccurate greatly, repetition regulation is high, and labor intensive cannot ensure again accurately.Dismounting high-pressure oil pipe, bavin filter and the loss into and out of part of damages such as oil pipes thereof when emitting oil process to examine fuel supply advance angle, bending distortion and leave hidden danger of quality, affect reliability generation external feedback fault simultaneously.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of simple and reasonable steps, utilize uniquely plugging together of Injection Pump timing latch and timing pointer, ensure that the uniqueness of Injection Pump first oil supply cylinder initial point, thus ensure that conformity, the accuracy of engine oil advance angle, and the detecting method of easy engine oil advance angle simple to operate, solve and emit the commencement of fuel supply nonuniqueness of oil process to cause fuel supply advance angle to change greatly, inaccurate, repetition regulation is high, operation easier is large, the problem such as accessory loss and hidden danger of quality.
For achieving the above object, the invention provides the detecting method of engine oil advance angle, concrete steps comprise: step one: tear Injection Pump timing window swivel nut open, take out timing latch; Step 2: rotate steering wheel by engine operation and turn bent axle, and then rotate cam of injection pump axle by driving gear, make the timing pointer be contained on oil spout pump shaft forward the neutral position of oil pump timing window to; Step 3: plug together with the timing pointer that the bayonet socket of timing latch is aimed in oil pump timing window, when the bayonet socket of timing latch plugs together on the timing pointer in timing window completely, be the commencement of fuel supply of oil pump first cylinder; Step 4: the bayonet socket of the timing latch of oil pump plug together completely put in place time, read belt pulley pointer and to make a comment or criticism the scale of belt pulley, be the fuel supply advance angle of motor first cylinder; Step 5: the multiple timing window swivel nut of dress.
Preferably, in technique scheme, the frock latch with bayonet socket and limited step is adopted to plug together to replace the timing pointer in the timing latch of oil pump and timing window.
Compared with prior art, the present invention has following beneficial effect: the detecting method simple and reasonable steps of this engine oil advance angle, utilize uniquely plugging together of Injection Pump timing latch and timing pointer, ensure that the uniqueness of Injection Pump first oil supply cylinder initial point, thus ensure that conformity, the accuracy of engine oil advance angle, and easily simple to operate.
Accompanying drawing explanation
Fig. 1 is the flow chart of the detecting method according to engine oil advance angle of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figure 1, be suitable for the type of Injection Pump band timing pin according to the detecting method of the engine oil advance angle of the specific embodiment of the invention, its concrete steps comprise:
Step one: tear Injection Pump timing window swivel nut open, takes out timing latch.
Step 2: rotate steering wheel by engine operation and turn bent axle, and then rotate cam of injection pump axle by driving gear, make the timing pointer be contained on oil spout pump shaft forward the neutral position of oil pump timing window to.
Step 3: plug together with the timing pointer that the bayonet socket of timing latch is aimed in oil pump timing window, when the bayonet socket of timing latch plugs together on the timing pointer in timing window completely, be the commencement of fuel supply of oil pump first cylinder.
Oil pump feed timing points is determined in oil pump factory oil-break method, oil-break method is namely: with the pressure diesel oil of equipment to high pressure oil pump conveying 1.5MPa, wash oil pump first cylinder outlet valve open, the oil inlet hole (Requirements is that the first cylinder oil pipe mouth 1 ~ 2 diesel oil per second oozes) that rotation cam of injection pump axle makes plunger just close plunger bushing is the commencement of fuel supply, now timing window adjustment plate is preloaded onto on oil pump, the timing pointer of oil pump is plugged together by timing window, then 2 clamping bolts of urgent timing window adjustment plate with the timing latch of oil pump.The commencement of fuel supply of oil pump first cylinder is just converted into plugging together of timing latch and timing pointer, namely timing latch and timing pointer only have an inserted position, just ensure that the uniqueness of the Injection Pump commencement of fuel supply, because the fuel supply advance angle checking motor is for reference point with an oil supply cylinder initial point of Injection Pump, reference point is unique, and corresponding fuel supply advance angle is just accurately unique.The detecting method of this engine oil advance angle decreases fuel supply advance angle and readjusts rate, improves manufacturing efficiency.
In addition, the frock latch with bayonet socket and limited step can also be adopted to plug together to replace the timing pointer in the timing latch of oil pump and timing window, be the commencement of fuel supply of oil pump first cylinder when the bayonet socket of frock latch plugs together on the timing pointer in timing window completely.Judge that plugging together completely is with the limited step of frock latch and timing end contact outside window.
Step 4: the bayonet socket of the timing latch of oil pump plug together completely put in place time, read belt pulley pointer and to make a comment or criticism the scale of belt pulley, be the fuel supply advance angle of motor first cylinder.
Step 5: the multiple timing window swivel nut of dress.
If fuel supply advance angle is defective, then need to be readjusted to qualified after refill multiple timing latch and timing window swivel nut.
Engine oil advance angle adopts always emits oil process to detect, only emit the technical requirement of oil process, the commencement of fuel supply emitting oil process to examine fuel supply advance angle is actually the commencement of fuel supply that the detecting method (Implant Method) lagging behind this engine oil advance angle detects fuel supply advance angle, the advance angle that two kinds of methods are examined will be different, so emit the fuel supply advance angle technical order scope of oil process not to be suitable for Implant Method, need the fuel supply advance angle technical order scope increasing Implant Method.
To sum up, the detecting method simple and reasonable steps of this engine oil advance angle, utilizes uniquely plugging together of Injection Pump timing latch and timing pointer, ensure that the uniqueness of Injection Pump first oil supply cylinder initial point, thus ensure that conformity, the accuracy of engine oil advance angle, and easily simple to operate.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (2)
1. a detecting method for engine oil advance angle, is characterized in that, concrete steps comprise:
Step one: tear Injection Pump timing window swivel nut open, takes out timing latch;
Step 2: rotate steering wheel by engine operation and turn bent axle, and then rotate cam of injection pump axle by driving gear, make the timing pointer be contained on oil spout pump shaft forward the neutral position of oil pump timing window to;
Step 3: plug together with the timing pointer that the bayonet socket of timing latch is aimed in oil pump timing window, when the bayonet socket of timing latch plugs together on the timing pointer in timing window completely, be the commencement of fuel supply of oil pump first cylinder;
Step 4: the bayonet socket of the timing latch of oil pump plug together completely put in place time, read belt pulley pointer and to make a comment or criticism the scale of belt pulley, be the fuel supply advance angle of motor first cylinder;
Step 5: the multiple timing window swivel nut of dress.
2. the detecting method of engine oil advance angle according to claim 1, is characterized in that, adopts the frock latch with bayonet socket and limited step to plug together to replace the timing pointer in the timing latch of oil pump and timing window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134474.5A CN103883454B (en) | 2014-04-02 | 2014-04-02 | The detecting method of engine oil advance angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134474.5A CN103883454B (en) | 2014-04-02 | 2014-04-02 | The detecting method of engine oil advance angle |
Publications (2)
| Publication Number | Publication Date |
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| CN103883454A CN103883454A (en) | 2014-06-25 |
| CN103883454B true CN103883454B (en) | 2016-04-27 |
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| CN201410134474.5A Active CN103883454B (en) | 2014-04-02 | 2014-04-02 | The detecting method of engine oil advance angle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593736B (en) * | 2016-12-08 | 2018-08-07 | 中国北方发动机研究所(天津) | Engine oil advance angle debugging apparatus |
| CN110486206B (en) * | 2019-08-12 | 2024-04-19 | 中车资阳机车有限公司 | Measuring device and measuring method for oil supply advance angle of electronic injection diesel engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546819U (en) * | 2009-12-02 | 2010-08-11 | 广西玉柴机器股份有限公司 | Timing device for fuel supply advance angles |
| CN202228239U (en) * | 2011-09-14 | 2012-05-23 | 东风康明斯发动机有限公司 | Injection timing structure of engine |
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