CN104122091A - Engine tilt test method and tilt test bed - Google Patents
Engine tilt test method and tilt test bed Download PDFInfo
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- CN104122091A CN104122091A CN201410345100.8A CN201410345100A CN104122091A CN 104122091 A CN104122091 A CN 104122091A CN 201410345100 A CN201410345100 A CN 201410345100A CN 104122091 A CN104122091 A CN 104122091A
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Abstract
The invention relates to the field of engine testing, in particular to an engine tilt test method and a tilt test bed. The method includes the steps of A, adjusting the tilt test bed to the horizontal position, mounting an engine onto the tilt test bed at a vehicle mounting angle, and connecting an oil-gas separation bottle at a PCV (Polyvinylchlorid) pipe connector; B, emptying oil in the engine and re-filling new oil; C, starting a heat engine of the engine to enable the oil temperature and coolant temperature to be 100+-5 DEG C, and enabling the heat engine to continuously operate for 10 minutes to obtain the stable oil temperature and oil pressure; D, accelerating the engine to enter the working condition to be tested; E, adjusting tilt angles of the engine sequentially, enabling the engine to stably operate for 60 seconds, and observing whether the oil pressure alarm occurs. The engine tilt test method and the tilt test bed has the advantages of being capable of simulating the impact of engine oil insufficiency on the acceleration including the acceleration for turning, braking or forward moving of a vehicle to determine the maximum achievable acceleration of the vehicle in the engine oil insufficiency state as well as the lubricating oil supply conditions, the oil-gas separation effects and the ultimate tilt angle when the engine is at different tilt angles.
Description
Technical field
The present invention relates to Engine Block Test field, relate in particular to a kind of engine inclining experiment method and inclined test bed.
Background technology
At present engine has been carried out the checking of multiple test, such as endurancing, fail-test, performance test, NVH test etc., but complete machine had not been carried out to inclining experiment, cannot the state of simulated engine on upward slope, descending and inclined slope road.Therefore, cannot understand machine oil impact on vehicle acceleration (turn, braking or to preacceleration) when not enough, also cannot determine the peak acceleration that when machine oil is not enough, vehicle can reach.At the engine development initial stage, cannot understand supply situation and the oil gas separation of engine lubricating oil under differing tilt angles, also cannot predict the limit angle of inclination that engine can reach, cannot assess lubricating system and under extreme conditions whether meet the demands, be unfavorable for exploitation and the optimization of engine lubrication system.
Summary of the invention
For the defect existing in prior art or deficiency, technical matters to be solved by this invention is: a kind of engine inclining experiment method and inclined test bed are provided, the various situations that this inclining experiment method occurs in the time of can analog machine shortage of oil, this inclined test bed can provide analogue means for this inclining experiment method.
The technical scheme that the present invention takes, for a kind of engine inclining experiment method and inclined test bed are provided, comprises the following steps:
A, inclined test bed is adjusted to horizontal level, according to car load setting angle, engine is mounted on inclined test bed, at PCV pipe interface place, connect gas-oil separation bottle;
B, emptying engine motor oil, add new machine oil again;
C, starting engine heat engine, make oil temperature and coolant temperature reach 100 ± 5 ℃, moves continuously 10min and make oil temperature oil pressure stable;
D, acceleration motor enter the operating mode of required test;
E, adjust successively the pitch angle of engine, make it stable operation 60s, observe oil pressure and whether report to the police.
As a further improvement on the present invention, described step e is divided into step by step following:
If E1 oil pressure is not reported to the police, the weight of machine oil in writing time 60s and gas-oil separation bottle, continues the test of next pitch angle;
If E2 oil pressure is reported to the police, engine is set and enters idling operation, rotating disk returns to position, 0 ° of pitch angle, the weight of machine oil in the time that record moves before reporting to the police simultaneously and gas-oil separation bottle; Stop test, the last pitch angle that can maintain minimum oil pressure level of record, as allowable angle of inclination.
As a further improvement on the present invention, after described step e, also has step F: complete the test at other pitch angle.
As a further improvement on the present invention, the angle at described other pitch angle is 0 °-50 °.
As a further improvement on the present invention, the operating mode of described required test comprises rotating speed and load.
As a further improvement on the present invention, a kind of use inclined test bed as claimed in claim 1, comprise pedestal, front and rear angles pallet, left and right angle pallet, the first reduction gear, the second reduction gear, the first stationary installation, the second stationary installation, described front and rear angles pallet is positioned at pedestal top, described left and right angle pallet is positioned at described front and rear angles pallet top, described the first stationary installation is arranged on described pedestal, described the second stationary installation is arranged on described front and rear angles pallet, described the first reduction gear is arranged on described front and rear angles pallet, described the second reduction gear is arranged on the angle pallet of described left and right.
As a further improvement on the present invention, described the first stationary installation comprises that fixedly axle bed, the first fixed arm and the first stationary shaft and described the first bracing frame are fixed on described pedestal for the first bracing frame, the first fixed mount, first, described the first fixed mount is fixed on described pedestal, described the first stationary shaft is fixed on described first fixedly on axle bed and described fixed arm by nut, and described the first stationary shaft and described the first fixed arm are fixed between described the first bracing frame and described the first fixed mount.
As a further improvement on the present invention, described the second stationary installation comprises the second bracing frame, the second fixed mount, second fixedly axle bed, the second fixed arm and the second stationary shaft, described the second bracing frame is fixed on described front and rear angles pallet, described the second fixed mount is fixed on described front and rear angles pallet, described the second stationary shaft is fixed on described second fixedly on axle bed and described the second fixed arm by nut, and described the second stationary shaft and described the second fixed arm are fixed between described the second bracing frame and described the second fixed mount.
As a further improvement on the present invention, described the first reduction gear comprises the first handwheel, the first reducer stent, the first hanger bracket and the first speed reduction unit, described the first handwheel connects described the first speed reduction unit, described speed reduction unit is fixed on described the first reducer stent, and described the first hanger bracket is suspended on described the first reduction carrier.
As a further improvement on the present invention, described the second reduction gear comprises the second handwheel, the second reducer stent, the second bracing frame, the second hanger bracket and the second speed reduction unit, described the second handwheel connects described the second speed reduction unit, described speed reduction unit is fixed on described the second reducer stent, and described the first hanger bracket is suspended on described the second reduction carrier.
The invention has the beneficial effects as follows: during analog machine shortage of oil on car add that fast degree ﹙ turns, braking or to the impact of preacceleration ﹚, determine the peak acceleration that when machine oil is not enough, vehicle can reach, determine the supply situation of engine lubricating oil under differing tilt angles, determine engine oil gas separation under differing tilt angles, determine the limit angle of inclination of engine.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of engine inclining experiment of the present invention method;
Fig. 2 is the structural representation of a kind of engine inclined test bed of the present invention;
Numeral wherein: 1, pedestal, 2, front and rear angles pallet, 3, left and right angle pallet, 4, the first fixed mount, 5, the first fixing axle bed, the 6, first fixed arm, the 7, first stationary shaft, 8, nut, 9, the second fixed mount, the 10, second fixing axle bed, the 11, second fixed arm, 12, the second stationary shaft, 13, the first handwheel, the 14, first reducer stent, the 15, first bearing support, 16, the first hanger bracket, 17, the second reducer stent, the 18, second bracing frame, the 19, second hanger bracket, 20, the first speed reduction unit, the 21, second speed reduction unit.22, the second handwheel.
Embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the present invention is further described.
As shown in Figure 1, the invention provides a kind of engine inclining experiment method, comprise the following steps:
A, inclined test bed is adjusted to horizontal level (angle pallet is 0 scale), according to car load setting angle, engine is mounted on inclined test bed, at PCV pipe interface place, connect gas-oil separation bottle;
B, emptying engine motor oil, add new machine oil again, and machine oil minimum is 0.5L;
C, starting engine heat engine, make oil temperature and coolant temperature reach 100 ± 5 ℃, moves continuously 10min and make oil temperature oil pressure stable;
D, acceleration motor enter the operating mode of required test;
E, according to the order of table one, adjust successively the pitch angle of engine, make it stable operation 60s, observe oil pressure and whether report to the police.
Table one
Described step e is divided into step by step following:
If E1 oil pressure is not reported to the police, the weight of machine oil in writing time 60s and gas-oil separation bottle, continues the test of next pitch angle;
If E2 oil pressure is reported to the police, engine is set and enters idling operation, rotating disk returns to position, 0 ° of pitch angle, the weight of machine oil in the time that record moves before reporting to the police simultaneously and gas-oil separation bottle; Stop test, the last pitch angle that can maintain minimum oil pressure level of record, as allowable angle of inclination.
After described step e, also has step F: complete the test at other pitch angle.
The angle at described other pitch angle is 0 °-50 °.
The operating mode of described required test comprises rotating speed and load.Rotating speed: determine according to test assignment before test, such as 4500rpm.Load: admission pressure is that 50kpa or moment of torsion are 50N.m
Use the same method, completing respectively oil sump machine oil volume is the test of Min, Max, Max+1.0L.
As shown in Figure 2, a kind of inclined test bed that uses inclining experiment method, comprise pedestal 1, front and rear angles pallet 2, left and right angle pallet 3, the first reduction gear, the second reduction gear, the first stationary installation, the second stationary installation, described front and rear angles pallet 2 is positioned at pedestal 1 top, described left and right angle pallet 3 is positioned at described front and rear angles pallet 2 tops, described the first stationary installation is arranged on described pedestal 1, described the second stationary installation is arranged on described front and rear angles pallet 2, described the first reduction gear is arranged on described front and rear angles pallet 2, described the second reduction gear is arranged on described left and right angle pallet 3.
As shown in Figure 2, described the first stationary installation comprises the first bracing frame 15, the first fixed mount 4, first fixedly axle bed 5, the first fixed arm 6 and the first stationary shaft 7, described the first bracing frame 15 is fixed on described pedestal 1, described the first fixed mount 4 is fixed on described pedestal 1, described the first stationary shaft 7 is fixed on described first fixedly on axle bed 5 and described fixed arm 6 by nut 8, and described the first stationary shaft 7 and described the first fixed arm 6 are fixed between described the first bracing frame 15 and described the first fixed mount 4.
As shown in Figure 2, described the second stationary installation comprises the second bracing frame 18, the second fixed mount 9, second fixedly axle bed 10, the second fixed arm 11 and the second stationary shaft 12, described the second bracing frame 18 is fixed on described front and rear angles pallet 2, described the second fixed mount 9 is fixed on described front and rear angles pallet 2, described the second stationary shaft 10 is fixed on described second fixedly on axle bed 10 and described the second fixed arm 11 by nut 8, and described the second stationary shaft 10 and described the second fixed arm 11 are fixed between described the second bracing frame 18 and described the second fixed mount 9.
As shown in Figure 2, described the first reduction gear comprises the first handwheel 13, the first reducer stent 14, the first hanger bracket 16 and the first speed reduction unit 20, described the first handwheel 13 connects described the first speed reduction unit 20, described speed reduction unit is fixed on described the first reducer stent 14, and described the first hanger bracket 16 is suspended on described the first reduction carrier 14.
As shown in Figure 2, described the second reduction gear comprises the second handwheel 22, the second reducer stent 17, the second bracing frame 18, the second hanger bracket 19 and the second speed reduction unit 21, described the second handwheel 22 connects described the second speed reduction unit 21, described the second speed reduction unit 21 is fixed on described the second reducer stent 17, and described the first hanger bracket 19 is suspended on described the second reduction carrier 17.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an engine inclining experiment method, is characterized in that: comprise the following steps:
A, inclined test bed is adjusted to horizontal level, according to car load setting angle, engine is mounted on inclined test bed, at PCV pipe interface place, connect gas-oil separation bottle;
B, emptying engine motor oil, add new machine oil again;
C, starting engine heat engine, make oil temperature and coolant temperature reach 100 ± 5 ℃, moves continuously 10min and make oil temperature oil pressure stable;
D, acceleration motor enter the operating mode of required test;
E, adjust successively the pitch angle of engine, make it stable operation 60s, observe oil pressure and whether report to the police.
2. engine inclining experiment method according to claim 1, is characterized in that: described step e is divided into step by step following:
If E1 oil pressure is not reported to the police, the weight of machine oil in writing time 60s and gas-oil separation bottle, continues the test of next pitch angle;
If E2 oil pressure is reported to the police, engine is set and enters idling operation, rotating disk returns to position, 0 ° of pitch angle, the weight of machine oil in the time that record moves before reporting to the police simultaneously and gas-oil separation bottle; Stop test, the last pitch angle that can maintain minimum oil pressure level of record, as allowable angle of inclination.
3. engine inclining experiment method according to claim 1, is characterized in that: after described step e, also have step F: complete the test at other pitch angle.
4. engine inclining experiment method according to claim 3, is characterized in that: the angle at described other pitch angle is 0o-50o.
5. engine inclining experiment method according to claim 1, is characterized in that: the operating mode of described required test comprises rotating speed and load.
6. one kind is used inclined test bed as claimed in claim 1, it is characterized in that: comprise pedestal, front and rear angles pallet, left and right angle pallet, the first reduction gear, the second reduction gear, the first stationary installation, the second stationary installation, described front and rear angles pallet is positioned at pedestal top, described left and right angle pallet is positioned at described front and rear angles pallet top, described the first stationary installation is arranged on described pedestal, described the second stationary installation is arranged on described front and rear angles pallet, described the first reduction gear is arranged on described front and rear angles pallet, described the second reduction gear is arranged on the angle pallet of described left and right.
7. inclined test bed according to claim 6, it is characterized in that: described the first stationary installation comprises that fixedly axle bed, the first fixed arm and the first stationary shaft and described the first bracing frame are fixed on described pedestal for the first bracing frame, the first fixed mount, first, described the first fixed mount is fixed on described pedestal, described the first stationary shaft is fixed on described first fixedly on axle bed and described fixed arm by nut, and described the first stationary shaft and described the first fixed arm are fixed between described the first bracing frame and described the first fixed mount.
8. inclined test bed according to claim 6, it is characterized in that: described the second stationary installation comprises the second bracing frame, the second fixed mount, second fixedly axle bed, the second fixed arm and the second stationary shaft, described the second bracing frame is fixed on described front and rear angles pallet, described the second fixed mount is fixed on described front and rear angles pallet, described the second stationary shaft is fixed on described second fixedly on axle bed and described the second fixed arm by nut, and described the second stationary shaft and described the second fixed arm are fixed between described the second bracing frame and described the second fixed mount.
9. inclined test bed according to claim 6, it is characterized in that: described the first reduction gear comprises the first handwheel, the first reducer stent, the first hanger bracket and the first speed reduction unit, described the first handwheel connects described the first speed reduction unit, described speed reduction unit is fixed on described the first reducer stent, and described the first hanger bracket is suspended on described the first reduction carrier.
10. inclined test bed according to claim 6, it is characterized in that: described the second reduction gear comprises the second handwheel, the second reducer stent, the second bracing frame, the second hanger bracket and the second speed reduction unit, described the second handwheel connects described the second speed reduction unit, described speed reduction unit is fixed on described the second reducer stent, and described the first hanger bracket is suspended on described the second reduction carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345100.8A CN104122091A (en) | 2014-07-18 | 2014-07-18 | Engine tilt test method and tilt test bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345100.8A CN104122091A (en) | 2014-07-18 | 2014-07-18 | Engine tilt test method and tilt test bed |
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| CN104122091A true CN104122091A (en) | 2014-10-29 |
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| CN201410345100.8A Pending CN104122091A (en) | 2014-07-18 | 2014-07-18 | Engine tilt test method and tilt test bed |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106969918A (en) * | 2017-04-24 | 2017-07-21 | 南通信达诺测控技术有限公司 | A kind of aero-engine use can load inclined testing device |
| CN108548674A (en) * | 2018-05-23 | 2018-09-18 | 中国汽车技术研究中心有限公司 | A kind of engine friction pumping loss decomposition is test bed |
| CN109269600A (en) * | 2018-10-10 | 2019-01-25 | 上汽通用汽车有限公司 | Automobile-used cooling liquid pot liquid level auxiliary examination device |
| CN109269805A (en) * | 2017-07-18 | 2019-01-25 | 上海汽车集团股份有限公司 | Engine tilts test method and inclining test system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969918A (en) * | 2017-04-24 | 2017-07-21 | 南通信达诺测控技术有限公司 | A kind of aero-engine use can load inclined testing device |
| CN109269805A (en) * | 2017-07-18 | 2019-01-25 | 上海汽车集团股份有限公司 | Engine tilts test method and inclining test system |
| CN109269805B (en) * | 2017-07-18 | 2020-06-05 | 上海汽车集团股份有限公司 | Engine inclination test method and inclination test system |
| CN108548674A (en) * | 2018-05-23 | 2018-09-18 | 中国汽车技术研究中心有限公司 | A kind of engine friction pumping loss decomposition is test bed |
| CN109269600A (en) * | 2018-10-10 | 2019-01-25 | 上汽通用汽车有限公司 | Automobile-used cooling liquid pot liquid level auxiliary examination device |
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Application publication date: 20141029 |