CN109915355B - Engine oil pump test device and use method thereof - Google Patents
Engine oil pump test device and use method thereof Download PDFInfo
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- CN109915355B CN109915355B CN201910199314.1A CN201910199314A CN109915355B CN 109915355 B CN109915355 B CN 109915355B CN 201910199314 A CN201910199314 A CN 201910199314A CN 109915355 B CN109915355 B CN 109915355B
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Abstract
According to the oil pump test device and the use method thereof, the oil-gas mixing pump sucks engine oil without air from the oil supply tank, the compressed air input device inputs compressed air into the oil-gas mixing pump, the oil-gas mixing pump mixes the engine oil and the compressed air and inputs the mixture into the test tank, and the test tank provides mixed oil mixed with the compressed air for the test oil pump. Therefore, the oil pump test device can provide the mixed oil mixed with air for the test oil pump, and the mixed oil with different air contents can be obtained by adjusting the ratio of the engine oil sucked by the oil-air mixing pump and the air input by the compressed air input device, so that the working parameters of the test oil pump under different oil-air mixing ratios can be tested.
Description
Technical Field
The invention relates to an oil pump test device and a using method thereof, in particular to an oil pump test device for an engine lubricating system and a using method thereof.
Background
The engine oil pump is an important component of an engine lubricating system, and has the functions of ensuring certain oil pressure through engine oil pressure and continuously and forcedly supplying oil to all friction surfaces so as to reliably lubricate the engine. The rotation speed of the oil pump on the engine is changed along with the rotation speed of the engine, once the rotation speed of the oil pump is increased, cavitation is serious, the volumetric efficiency of the oil pump is greatly influenced, vibration noise and pressure pulsation are also generated, and gas corrosion cavity is generated to influence the normal oil supply of the engine.
However, there is no test device capable of conveniently testing the working conditions of the engine oil pump under different oil-gas mixing conditions, which also results in a blank of researching the working conditions of the engine oil pump under different oil-gas mixing ratios.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an oil pump test device and a method for using the same, which can conveniently test an oil pump at different oil-gas mixing ratios.
In order to achieve the above purpose, the invention provides an oil pump test device, which comprises the following technical scheme: the device comprises a test oil pump, a test oil tank, an oil-gas mixing device and an oil supply oil tank; the oil-gas mixing device comprises an oil-gas mixing pump and a compressed air input device, the oil-gas mixing pump sucks engine oil from an oil supply oil tank, the compressed air input device inputs compressed air into the oil-gas mixing pump, the oil-gas mixing pump mixes the engine oil and the compressed air into mixed oil and then inputs the mixed oil into a test oil tank, and the test oil tank provides the mixed oil mixed with the compressed air for the test oil pump.
Preferably, the oil-gas mixing pump and the compressed air input device are arranged on a frame, a driving motor is arranged on the frame, and the oil-gas mixing pump is driven by the driving motor.
More preferably, the driving motor is a variable frequency motor.
More preferably, the driving motor is connected with the oil-gas mixing pump through a coupling.
More preferably, the compressed air input device is connected to a compressed air source.
Further, the motor driving device also comprises a control device, and the rotating speed of the driving motor is controlled by the control device.
Correspondingly, the invention also provides a using method of the oil pump test device, and the oil pump test device adopting the technical scheme or any preferable technical scheme is used for operation, and comprises the following operation steps:
1) The oil-gas mixing pump sucks engine oil from an oil supply tank, and the compressed air input device inputs compressed air into the engine oil of the oil-gas mixing pump;
2) The oil-gas mixing pump inputs the mixed oil mixed with the compressed air into a test oil tank;
3) The test oil pump sucks mixed oil mixed with compressed air from the test oil tank;
4) And detecting and recording various test parameters of the test oil pump.
Preferably, the method further comprises the step 5) of adjusting the quantity of the engine oil sucked by the oil-gas mixing pump and the quantity of the air input by the compressed air input device so as to adjust the mixing ratio of the engine oil and the compressed air, and then repeating the steps 1) to 4) so as to obtain the test parameters of the test oil pump under the condition of different oil-gas mixing ratios.
Preferably, in said step 4), the measured test parameters of the test oil pump include pressure pulsation, vibration and noise level.
As described above, the oil pump test device and the use method thereof provided by the invention have the following beneficial effects: in the oil pump test device, the oil-gas mixing pump sucks engine oil without air from the oil supply tank, the compressed air input device inputs compressed air into the oil-gas mixing pump, the oil-gas mixing pump mixes the engine oil and the compressed air and inputs the mixture into the test oil tank, and the test oil tank provides mixed oil mixed with the compressed air for the test oil pump. Therefore, the oil pump test device can provide the mixed oil mixed with air for the test oil pump, and the mixed oil with different air contents can be obtained by adjusting the proportion of the engine oil sucked by the oil-air mixed pump and the air sucked by the compressed air input device, so that the working parameters of the test oil pump under different oil-air mixing proportions can be tested. Therefore, the oil pump test device can conveniently test the oil pump under different oil-gas mixing ratios.
Drawings
Fig. 1 shows a schematic block diagram of a test apparatus for an oil pump according to the present invention.
Fig. 2 is a schematic perspective view of an oil-gas mixing device.
Fig. 3 shows a schematic diagram of the connection of the control device, the drive motor and the flow control valve.
Description of element reference numerals
1 test oil pump
2 test oil tank
3 oil-gas mixing device
4 oil-gas mixing pump
5 compressed air input device
6 machine frame
7 drive motor
8 flow control valve
9 coupling
10 oil supply tank
11 control device
12 air suction port
13 oil outlet
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
As shown in fig. 1 to 3, the invention provides an oil pump test device, which comprises the following technical schemes: an oil pump test device comprises a test oil pump 1, a test oil tank 2, an oil-gas mixing device 3 and an oil supply oil tank 10; the oil-gas mixing device 3 comprises an oil-gas mixing pump 4 and a compressed air input device 5, the oil-gas mixing pump 4 sucks engine oil from an oil supply oil tank 10, the compressed air input device 5 inputs compressed air into the oil-gas mixing pump 4, the oil-gas mixing pump 4 mixes the engine oil and the compressed air into mixed oil and then inputs the mixed oil into a test oil tank 2, and the test oil tank 2 provides the mixed oil mixed with the compressed air for the test oil pump 1.
In the oil pump test device of the present invention, the oil-gas mixing pump 4 sucks the engine oil without air from the oil supply tank 10, the compressed air input device 5 inputs the compressed air into the oil-gas mixing pump 4, the oil-gas mixing pump 4 mixes the engine oil and the compressed air and inputs the mixture into the test oil tank 2, and the test oil tank 2 provides the mixed oil mixed with the compressed air for the test oil pump 1 (the test oil pump 1 is an engine oil pump of an engine). In this way, the oil pump test device can provide the mixed oil mixed with air for the test oil pump 1, and the mixed oil with different air contents can be obtained by adjusting the ratio of the engine oil sucked by the oil-gas mixing pump 4 and the air input by the compressed air input device 5, so that the working parameters of the test oil pump 1 under different oil-gas mixing ratios can be tested. Therefore, the oil pump test device can conveniently test the oil pump under different oil-gas mixing ratios.
In the oil pump test device of the present invention, compressed air can be mixed into engine oil by the oil-gas mixing device 3 to obtain mixed oil containing air components, and the test oil pump 1 is operated by sucking the mixed oil containing air components to perform a test, so that the test parameters of the test oil pump 1 can be obtained, and the operating state of the test oil pump 1 when operated by the mixed oil containing air components can be analyzed. By controlling the air quantity input into the oil-gas mixing pump 4 by the compressed air input device 5, the mixing proportion of the air in the mixed oil discharged by the oil-gas mixing device 3 and the engine oil can be controlled, so that the test parameters of the test oil pump 1 under different engine oil and air proportion states can be obtained.
In order to facilitate controlling the ratio of engine oil to air in the mixed oil, as a preferred embodiment, as shown in fig. 2 and 3, the oil-gas mixing pump 4 and the compressed air input device 5 are mounted on a frame 6, a driving motor 7 is mounted on the frame 6, the oil-gas mixing pump 4 is driven by the driving motor 7, and the driving motor 7 and the oil-gas mixing pump 4 can be connected through a coupling 9. The engine oil sucked by the oil-gas mixing pump 4 can be controlled by controlling the rotating speed of the driving motor 7, the compressed air input device 5 is communicated with a compressed air source, a flow control valve 8 (see fig. 3) is arranged on the compressed air input device 5, and the air quantity input into the oil-gas mixing pump 4 by the compressed air input device 5 can be controlled by controlling the rotating speed of the flow control valve 8.
In order to facilitate control of the rotation speed of the driving motor 7, a variable frequency motor may be used as the driving motor 7, so that the rotation speed of the driving motor 7 may be conveniently controlled, thereby facilitating control of the ratio of engine oil to air in the mixed oil output by the oil-gas mixing device 3.
In an oil pump test apparatus of the present invention, an oil-gas mixture pump 4 sucks in engine oil from an oil supply tank 10 and inputs the mixture oil into a test tank 2, and as shown in fig. 2, the oil-gas mixture pump 4 has an oil outlet 13, and the oil outlet 13 communicates with the test tank 2. The compressed air input device 5 sucks in the outside air, compresses the outside air, and then inputs the compressed air into the air-fuel mixture pump 4 to mix the outside air, and as shown in fig. 2, the compressed air input device 5 has an intake port 12, the intake port 12 is connected to a compressed air source, and the flow control valve 8 is connected to the intake port 12.
In order to facilitate controlling the rotation speed of the driving motor 7, as a preferred embodiment, the oil pump test device of the present invention further includes a control device 11, wherein the rotation speed of the driving motor 7 and the opening degree of the flow control valve 8 are controlled by the control device 11, so that the ratio of the engine oil and the compressed air in the mixed oil outputted from the oil-gas mixing device 3 can be controlled by the control device 11.
Correspondingly, the invention also provides a using method of the oil pump test device, and the oil pump test device adopting the technical scheme or any preferable technical scheme is used for operation, and comprises the following operation steps:
1) The oil-gas mixing pump 4 sucks in the engine oil from the oil supply tank 10, and the compressed air input device 5 inputs air and compresses the air and mixes the air into the engine oil sucked by the oil-gas mixing pump 4;
2) The oil-gas mixing pump 4 inputs the mixed oil mixed with the compressed air into the test oil tank 2;
3) The test oil pump 1 sucks the mixed oil mixed with the compressed air from the test oil tank 2;
4) Each test parameter of the test oil pump 1 is detected and recorded.
The use method of the oil pump test device of the invention utilizes the oil pump test device of the invention to perform operation, and certainly has the beneficial effects of the oil pump test device of the invention, and the description is omitted here.
As a preferred embodiment, the method for using the oil pump test device of the present invention further includes step 5) of adjusting the amount of the oil sucked by the oil-gas mixing pump 4 and the amount of the air inputted by the compressed air input device 5, thereby adjusting the mixing ratio of the oil and the compressed air, and then repeating steps 1) to 4) so as to obtain the test parameters of the test oil pump 1 under different oil-gas mixing ratios. Thus, the test oil pump 1 can be conveniently tested under different oil-gas mixing proportion working conditions.
As a preferred embodiment, in said step 4), the measured test parameters of the test oil pump 1 include pressure pulsation, vibration and noise level.
Based on the technical scheme of the embodiment, the oil pump test device and the use method thereof can conveniently test the oil pump under different oil-gas mixing ratios, and have the advantages of simple structure, convenient operation and convenient test operation.
In summary, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. The device for testing the oil pump is characterized by comprising a test oil pump (1), a test oil tank (2), an oil-gas mixing device (3) and an oil supply oil tank (10); the oil-gas mixing device (3) comprises an oil-gas mixing pump (4) and a compressed air input device (5), the oil-gas mixing pump (4) sucks engine oil from an oil supply oil tank (10), the compressed air input device (5) inputs compressed air into the oil-gas mixing pump (4), the oil-gas mixing pump (4) mixes the engine oil and the compressed air into mixed oil and then inputs the mixed oil into a test oil tank (2), and the test oil tank (2) provides the mixed oil mixed with the compressed air for the test oil pump (1);
the air-fuel mixture pump (4) and the compressed air input device (5) are installed on the rack (6), a driving motor (7) is installed on the rack (6), the air-fuel mixture pump (4) is driven by the driving motor (7), the driving motor (7) is a variable frequency motor, the rotating speed of the driving motor (7) is controlled by the control device (11), the compressed air input device (5) is provided with an air suction port (12), and a flow control valve (8) electrically connected with the control device (11) is arranged on the air suction port (12).
2. The oil pump test device according to claim 1, wherein: the driving motor (7) is connected with the oil-gas mixing pump (4) through a coupler (9).
3. The oil pump test device according to claim 1, wherein: the compressed air input device (5) is connected with a compressed air source.
4. A method of using the oil pump test apparatus according to any one of claims 1 to 3, characterized by comprising the steps of:
1) The oil-gas mixing pump (4) sucks engine oil from the oil supply tank (10), and the compressed air input device (5) inputs compressed air into the engine oil of the oil-gas mixing pump (4);
2) The oil-gas mixing pump (4) inputs the mixed oil mixed with the compressed air into the test oil tank (2);
3) The test oil pump (1) sucks mixed oil mixed with compressed air from the test oil tank (2);
4) And detecting and recording various test parameters of the test oil pump (1).
5. The method of using the oil pump test apparatus according to claim 4, further comprising step 5) of adjusting the amount of oil sucked by the oil-gas mixing pump (4) and the amount of air inputted by the compressed air input device (5) to thereby adjust the mixing ratio of the oil and the compressed air, and then repeating steps 1) to 4) to thereby obtain the test parameters of the test oil pump (1) under different oil-gas mixing ratios.
6. The method of using an oil pump test apparatus according to claim 5, wherein in said step 4), the test parameters of the test oil pump (1) measured include pressure pulsation, vibration and noise level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199314.1A CN109915355B (en) | 2019-03-15 | 2019-03-15 | Engine oil pump test device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199314.1A CN109915355B (en) | 2019-03-15 | 2019-03-15 | Engine oil pump test device and use method thereof |
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| CN109915355A CN109915355A (en) | 2019-06-21 |
| CN109915355B true CN109915355B (en) | 2023-10-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927754A (en) * | 2020-08-27 | 2020-11-13 | 华域皮尔博格泵技术有限公司 | Test tool for oil pump |
| CN112524015A (en) * | 2020-11-26 | 2021-03-19 | 宁波圣龙智能汽车系统有限公司 | Durability testing mechanism and method for oil pump in gas-containing oil liquid |
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| CN200982216Y (en) * | 2006-12-01 | 2007-11-28 | 中国航空动力机械研究所 | Oil and gas mixer |
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