CN205300933U - Internal -combustion engine piston surface oil film testing platform - Google Patents
Internal -combustion engine piston surface oil film testing platform Download PDFInfo
- Publication number
- CN205300933U CN205300933U CN201620045630.5U CN201620045630U CN205300933U CN 205300933 U CN205300933 U CN 205300933U CN 201620045630 U CN201620045630 U CN 201620045630U CN 205300933 U CN205300933 U CN 205300933U
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- piston
- bent axle
- combustion engine
- calibrator
- connecting rod
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Abstract
The utility model discloses an internal -combustion engine piston surface oil film testing platform, its piston are arranged in the cylinder liner, and the piston passes through a round pin axle hinge joint linkage, the lower extreme and the the crankshaft of connecting rod, and the bent axle is arranged in the oil tank, has the heater in the oil tank, and force sensor sets up on the connecting rod, piston top stationary mast, the spring housing is on the stand, and pressure sensor sets up at the stand top, and pressure sensor is connected with the manometer, and force sensor is connected with the PC, temperature sensor sets up in the oil tank, and temperature sensor is connected with the PC, the calibrator sets up at the cylinder liner outer wall, and the calibrator is connected with the PC, inverter motor drives the bent axle and rotates, and inverter motor is connected with the PC and is controlled by the PC, and the bent axle sinks in the lubricating oil of oil tank. The utility model discloses to the friction between piston in the internal -combustion engine and cylinder liner and the lubricated circumstances detect comprehensive, the precision is high, the oil film motion circumstances can be understood totally in simple and convenient, the easy arrangement of data acquisition, can draw piston shape design's optimization law.
Description
Technical field
This utility model relates to a kind of internal combustion engine sea surface oil slick Detecting data, and this utility model can detect the friction condition between internal combustion engine surface lubrication oil film arrangement situation and piston-cylinder, it is adaptable to various internal combustion engines are gasoline engine, diesel engine such as.
Background technology
Internal combustion engine is the power source of automobile, is also the main source of automobile harmful exhaust emissions. Combustion in IC engine energy has 10%��20% consumption in mechanical loss, and mechanical loss has 45%��65% energy expenditure in the friction pair of piston, piston ring and cylinder. Lubricating oil film motion is the key of research piston and cylinder inner room scraping mechanism, when oil film motion is completely understood, just can draw the favorable combination of piston-shaped design. The factor affecting lubricating oil film motion is piston-shaped and piston ring condition, and oil film thickness and speed are the most important factor of research piston oil film stroke and motion.
Summary of the invention
The purpose of this utility model is to provide a kind of internal combustion engine sea surface oil slick Detecting data, and this utility model can detect the frictional force between piston-cylinder and oil film thickness, draws the favorable combination of piston-shaped design. By reducing piston duty in internal combustion engine, set speed of crankshaft and top land pressure, to realize piston operation under declared working condition, make between piston and cylinder sleeve the detection of frictional force and the observation of oil film thickness closer to internal combustion engine actual condition. For the lubricant effect between various novel pistons and cylinder sleeve, andfrictional conditions and the detection thus causing engine performance change, it is provided that technical support.
This utility model is by fuel tank, connecting rod, pulling force sensor, piston, bearing pin, cylinder sleeve, column, spring, pressure transducer, Pressure gauge, calibrator, PC, frequency conversion motor, temperature sensor, bent axle and heater are constituted, piston is arranged in cylinder sleeve, piston passes through hinge connecting rod, the lower end of connecting rod is connected with bent axle, bent axle is arranged in fuel tank, fuel tank has heater, pulling force sensor is arranged on connecting rod, piston column fixed above, spring housing is on column, pressure transducer is arranged on column top, pressure transducer is connected with Pressure gauge, pulling force sensor is connected with PC,Temperature sensor is arranged in fuel tank, and temperature sensor is connected with PC; Calibrator is arranged on outer wall of cylinder jachet, and calibrator is connected with PC; Frequency conversion motor drives crank rotation, and frequency conversion motor is connected with PC and by PC control, bent axle is submerged in the lubricating oil of fuel tank.
The beneficial effects of the utility model are:
This utility model, by controlling speed of crankshaft and top land pressure, realizes the dry run under declared working condition between piston and cylinder sleeve. It is consistent with real vehicle by lubricating oil heating is realized its material properties. Therefore the frictional force between detected piston and cylinder sleeve is more nearly real vehicle and runs. Transparent cylinder sleeve can observe piston thickness of lubricating oil film under different operating modes and between cylinder sleeve more accurately. Thus the optimization for the design of various novel piston shapes provides experimental basis.
This utility model to friction between piston and cylinder sleeve in internal combustion engine and lubrication circumstances detection comprehensively, precision high, data acquisition is easy, easily arrange, and can understand oil film motion conditions completely, can draw the favorable combination of piston-shaped design. For the lubricant effect between various novel pistons and cylinder sleeve, andfrictional conditions and the detection thus causing engine performance change, it is provided that technical support.
This utility model can be applicable in various internal combustion engine such as gasoline engine, diesel engine. Concrete size is adjusted according to piston skirt size.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-lubricating oil; 2-fuel tank; 3-connecting rod; 4-pulling force sensor; 5-piston; 6-bearing pin; 7-cylinder sleeve; 8-column; 9-spring; 10-pressure transducer; 11-Pressure gauge; 12-calibrator; 13-PC machine; 14-frequency conversion motor; 15-temperature sensor; 16-bent axle; 17-heater.
Detailed description of the invention
As shown in Figure 1, the present embodiment is by fuel tank 2, connecting rod 3, pulling force sensor 4, piston 5, bearing pin 6, cylinder sleeve 7, column 8, spring 9, pressure transducer 10, Pressure gauge 11, calibrator 12, PC 13, frequency conversion motor 14, temperature sensor 15, bent axle 16 and heater 17 are constituted, piston 5 is arranged in cylinder sleeve 7, piston 5 is by bearing pin 6 articulated linkage 3, the lower end of connecting rod 3 is connected with bent axle 16, bent axle 16 is arranged in fuel tank 2, fuel tank 2 has heater 17, pulling force sensor 4 is arranged on connecting rod 3, piston 5 column 8 fixed above, spring 9 is enclosed within column 8, pressure transducer 10 is arranged on column 8 top, pressure transducer 10 is connected with Pressure gauge 11, pulling force sensor 4 is connected with PC 13, temperature sensor 15 is arranged in fuel tank 2, and temperature sensor 15 is connected with PC 13, calibrator 12 is arranged on cylinder sleeve 7 outer wall, and calibrator 12 is connected with PC 13, frequency conversion motor 14 band dynamic crankshaft 16 rotates, and frequency conversion motor 14 is connected with PC 13 and is controlled by PC 13, and bent axle 16 is submerged in the lubricating oil 1 of fuel tank 2.
Work process of the present utility model and principle:
Adopting heater 17 that lubricating oil 1 is heated, temperature controls when internal combustion engine is properly functioning in the temperature range of lubricating oil. Controlled bent axle 16 by frequency conversion motor 14 to rotate, regulate the spring 9 pressure to piston 5 top to simulate internal combustion engine gaseous-pressure, choosing several internal combustion engine declared working condition makes bent axle 16 rotating speed and piston 5 top pressure meet each working condition requirement, this control process is reacted to PC 13 each through pulling force sensor 4 and pressure transducer 10, in order to carry out data acquisition and accurately regulation and control. Cylinder sleeve 7, piston 5, bent axle 16 and connecting rod 3 all can arbitrarily be changed, in order to different types of internal combustion engine is lubricated Oil spill detection and research.When cylinder sleeve 7 is normal size, this utility model can detect piston-ring friction power; When cylinder sleeve 7 is for coordinating skirt section dimensioned, this utility model can detect piston skirt frictional force. When cylinder sleeve 7 is replaced by transparent material, calibrator 12 can be passed through and detect piston 5 skirt section and piston ring oil film thickness and arrangement situation.
Claims (1)
1. an internal combustion engine sea surface oil slick Detecting data, it is characterised in that: it is by fuel tank (2), connecting rod (3), pulling force sensor (4), piston (5), bearing pin (6), cylinder sleeve (7), column (8), spring (9), pressure transducer (10), Pressure gauge (11), calibrator (12), PC (13), frequency conversion motor (14), temperature sensor (15), bent axle (16) and heater (17) are constituted, piston (5) is arranged in cylinder sleeve (7), piston (5) is by bearing pin (6) articulated linkage (3), the lower end of connecting rod (3) is connected with bent axle (16), bent axle (16) is arranged in fuel tank (2), fuel tank (2) has heater (17), pulling force sensor (4) is arranged on connecting rod (3), piston (5) column fixed above (8), spring (9) is enclosed within column (8), pressure transducer (10) is arranged on column (8) top, and pressure transducer (10) is connected with Pressure gauge (11), and pulling force sensor (4) is connected with PC (13), temperature sensor (15) is arranged in fuel tank (2), and temperature sensor (15) is connected with PC (13), calibrator (12) is arranged on cylinder sleeve (7) outer wall, and calibrator (12) is connected with PC (13), frequency conversion motor (14) band dynamic crankshaft (16) rotates, and frequency conversion motor (14) is connected with PC (13) and is controlled by PC (13), and bent axle (16) is submerged in the lubricating oil (1) of fuel tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045630.5U CN205300933U (en) | 2016-01-19 | 2016-01-19 | Internal -combustion engine piston surface oil film testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045630.5U CN205300933U (en) | 2016-01-19 | 2016-01-19 | Internal -combustion engine piston surface oil film testing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205300933U true CN205300933U (en) | 2016-06-08 |
Family
ID=56429391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045630.5U Expired - Fee Related CN205300933U (en) | 2016-01-19 | 2016-01-19 | Internal -combustion engine piston surface oil film testing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205300933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907335A (en) * | 2017-09-30 | 2018-04-13 | 中国北方发动机研究所(天津) | A kind of performance testing device of rebreather of engine |
| CN113236398A (en) * | 2021-06-09 | 2021-08-10 | 滨州学院 | Visual observation method for piston lubrication |
| CN114235417A (en) * | 2021-12-07 | 2022-03-25 | 北京理工大学 | Expandable crankshaft system simulation device of internal combustion engine |
-
2016
- 2016-01-19 CN CN201620045630.5U patent/CN205300933U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907335A (en) * | 2017-09-30 | 2018-04-13 | 中国北方发动机研究所(天津) | A kind of performance testing device of rebreather of engine |
| CN107907335B (en) * | 2017-09-30 | 2020-06-30 | 中国北方发动机研究所(天津) | Performance test device of engine respirator |
| CN113236398A (en) * | 2021-06-09 | 2021-08-10 | 滨州学院 | Visual observation method for piston lubrication |
| CN113236398B (en) * | 2021-06-09 | 2022-02-22 | 滨州学院 | Visual observation method for piston lubrication |
| CN114235417A (en) * | 2021-12-07 | 2022-03-25 | 北京理工大学 | Expandable crankshaft system simulation device of internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |