CN103148998B - Automotive rotary sealing ring testing device and testing method thereof - Google Patents
Automotive rotary sealing ring testing device and testing method thereof Download PDFInfo
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- CN103148998B CN103148998B CN201310044277.XA CN201310044277A CN103148998B CN 103148998 B CN103148998 B CN 103148998B CN 201310044277 A CN201310044277 A CN 201310044277A CN 103148998 B CN103148998 B CN 103148998B
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Abstract
The invention belongs to the field of sealing engineering of automobile transmission devices, and particularly relates to a testing device used for estimating and testing the performance of an automotive rotary sealing ring. The technical scheme of an automotive rotary sealing ring testing device includes that the automotive rotary sealing ring testing device is used for testing the performance of the sealing ring and comprises a driving motor, a pump, a filter, an oil tank, an overflow valve, a pressure sensor A, a flowmeter, a torque sensor, a variable frequency driving motor, an oil inlet sleeve, an oil distribution sleeve, a pressure sensor B, a temperature sensor, a heat-sink cooling device and a box body used for fixing the oil inlet sleeve. The automotive rotary sealing ring testing device can be used for real simulation of a real working environment of the rotary sealing ring, a plurality of different working conditions can be provided by means of speed regulation, pressure regulation, temperature controlling and the like, and the performance of the sealing ring can be estimated by means of testing of a leakage rate and abrasion at the same time.
Description
Technical field
The invention belongs to the Seal field of automotive trannsmission system, be specifically related to test unit and the test method thereof of the automobile-used rotating seal ring performance of a kind of evaluation test.
Background technology
In vehicle drive system, rotating seal ring, for the distributing device of wet clutch or detent, is crucial seal element wherein, and the performance of sealing ring directly affects overall performance, security, reliability and the permanance of gearing.Along with system of vehicle transmission technology is towards the future development of high PV value, multi-state, the performance of rotating seal ring is also had higher requirement, but in prior art, be not specifically designed to the experimental provision of test rotating seal ring performance.
Summary of the invention
The object of the invention is: a kind of automobile-used rotating seal ring test unit is provided, energy real simulation rotating seal ring actual working environment, and can provide multiple different operating mode by means such as speed governing, pressure regulation, temperature controls, simultaneously can test for leaks amount and wear evaluation sealing ring performance.
Technical scheme of the present invention is: a kind of automobile-used rotating seal ring test unit, it is for testing the performance of sealing ring, and it comprises: drive motor, pump, filtrator, fuel tank, surplus valve, pressure transducer A, flowmeter, torque sensor, variable frequency drive motors, oil-feed cover, the casing of joining oil jacket, pressure transducer B, temperature sensor, heat radiation cooling device and overlapping for fixing oil-feed;
The outer circumference surface of joining oil jacket bottom is provided with annular boss, middle part is provided with circumferential annular groove, in the both sides of circumferential hoop connected in star, be provided with two mounting grooves, two sealing rings are socketed in respectively mounting groove periphery, and the head of joining oil jacket is provided with the spline being connected with variable frequency drive motors rotating shaft;
Oil-feed cover is for head is with the middle through post body structure of annular table, and its circumference is provided with through hole radially; Oil-feed cover is socketed in the periphery of joining oil jacket, forms clearance fit; Oil-feed cover leaves gap with the annular boss of joining oil jacket bottom, and the radial direction through hole of oil-feed cover communicates with the circumferential hoop connected in star of joining oil jacket middle part;
Oil-feed cover is fixed on box house, and the center of top of casing is provided with fluting, and the left and right sides is provided with the oil circuit mouth of pipe, and bottom is provided with notch, notch place connection traffic meter;
The rotating shaft of variable frequency drive motors is provided with torque sensor, and rotating shaft is through the fluting and the head spline joint of joining oil jacket of casing center of top;
The fuel-displaced pipeline of fuel tank connects after surplus valve, pressure transducer A, temperature sensor and heat radiation cooling device successively, through the oil circuit mouth of pipe and the oil-feed of casing one side, puts the through hole spline joint perpendicular to axis; The return line of fuel tank connects after temperature sensor, pressure transducer B, through the oil circuit mouth of pipe and the oil-feed of casing opposite side, puts the through hole spline joint perpendicular to axis;
Drive motor is connected with pump, and pump is connected with the fuel-displaced pipeline of fuel tank.
The invention has the beneficial effects as follows: (1) the present invention provide different rotational speeies by variable frequency drive motors, and change oil pocket internal pressure by motor pump surplus valve composition in parallel single-stage pressure-control circuit, thereby can the various different operating states of real simulation vehicle drive system.(2) the present invention can replace different inner diameters is installed join oil jacket, thereby guarantee can evaluation test different inner diameters structure sealing ring performance.(3) the present invention can control also monitoring system temperature by heat radiation cooling device and temperature sensor are everywhere installed at oil circuit, guarantees this device steady operation for a long time, carries out a large amount of sealing ring friction-wear tests.(4) the present invention is provided with flowmeter, can accurately record leakage rate to evaluate automobile-used rotating seal ring performance.
Accompanying drawing explanation
Fig. 1 is structure composition schematic diagram of the present invention;
Wherein, 1-drive motor, 2-pump, 3-filtrator, 4-fuel tank, 5-surplus valve, 6-pressure transducer A, 7-flowmeter, 8-torque sensor, 9-oil-feed cover, 10-join oil jacket, 11-sealing ring, 12-pressure transducer B, 13-heat radiation cooling device.
Embodiment
Referring to accompanying drawing, a kind of automobile-used rotating seal ring test unit, it is for testing the performance of sealing ring 11, and it comprises: drive motor 1, pump 2, filtrator 3, fuel tank 4, surplus valve 5, pressure transducer A6, flowmeter 7, torque sensor 8, variable frequency drive motors, oil-feed cover 9, join oil jacket 10, pressure transducer B12, temperature sensor, heat radiation cooling device 13 and the casing for fixing oil-feed cover 9;
The outer circumference surface of joining oil jacket 10 bottoms is provided with annular boss, middle part is provided with circumferential annular groove, in the both sides of circumferential hoop connected in star, be provided with two mounting grooves, two sealing rings 11 are socketed in respectively mounting groove periphery, and the head of joining oil jacket 10 is provided with the spline being connected with variable frequency drive motors rotating shaft;
Oil-feed cover 9 is the middle through post body structure of head with annular table, and its circumference is provided with through hole radially; Oil-feed cover 9 is socketed in the periphery of joining oil jacket 10, forms clearance fit; Oil-feed cover 9 leaves gap with the annular boss of joining oil jacket 10 bottoms, and the radial direction through hole of oil-feed cover 9 communicates with the circumferential hoop connected in star of joining oil jacket 10 middle parts;
Oil-feed cover 9 is fixed on box house, and the center of top of casing is provided with fluting, and the left and right sides is provided with the oil circuit mouth of pipe, and bottom is provided with notch, notch place connection traffic meter 7;
The rotating shaft of variable frequency drive motors is provided with torque sensor 8, and rotating shaft is through the fluting and the head spline joint of joining oil jacket 10 of casing center of top;
The fuel-displaced pipeline of fuel tank 4 connects after surplus valve 5, pressure transducer A6, temperature sensor and heat radiation cooling device 13 successively, through the oil circuit mouth of pipe and the oil-feed of casing one side, overlaps the through hole spline joint perpendicular to axis on 9; The return line of fuel tank 4 connects after temperature sensor, pressure transducer B12, through the oil circuit mouth of pipe and the oil-feed of casing opposite side, overlaps the through hole spline joint perpendicular to axis on 9;
Drive motor 1 is connected with pump 2, and pump 2 is connected with the fuel-displaced pipeline of fuel tank 4.
More excellent, in order to monitor the temperature in fuel tank 4, a described temperature sensor is set in fuel tank 4;
During test, drive motor 1 drives pump 2 oil suction from fuel tank 4, and oil is injected to fuel-displaced pipeline and return line, by reading the reading and regulation and control surplus valve 5 of pressure transducer A6, adjusts the oil pressure in oil pipe line and return line; Temperature sensor, for monitoring the temperature of fuel-displaced pipeline and return line, if find oil overheating, is opened heat radiation cooling device 13 and is regulated; Open variable frequency drive motors, rotating shaft drive is joined oil jacket 10 and is rotated, oil in fuel-displaced pipeline overlaps 9 by oil-feed and enters into the circumferential hoop connected in star of joining oil jacket 10 middle parts, and by oil-feed, overlap 9 and join in two mounting grooves of oil jacket 10 with the gap inflow of joining oil jacket 10, sealing ring 11 in mounting groove is injecting under the effect of oil pressure, to the direction motion of the circumferential hoop connected in star away from middle part distending gradually, a side that is attached to mounting groove forms sealing to joining oil jacket 10; In the incomplete situation of sealing, oil can flow out from mounting groove, and converges to bottom half by centrifugal force, and the flowmeter 7 arranging by bottom half, draws amount of leakage.
Claims (2)
1. an automobile-used rotating seal ring test unit, it is for testing the performance of sealing ring (11), it is characterized in that, it comprises: drive motor (1), pump (2), filtrator (3), fuel tank (4), surplus valve (5), pressure transducer A(6), flowmeter (7), torque sensor (8), variable frequency drive motors, oil-feed cover (9), join oil jacket (10), pressure transducer B(12), temperature sensor, heat radiation cooling device (13) and the casing for fixing described oil-feed cover (9);
Described outer circumference surface of joining oil jacket (10) bottom is provided with annular boss, middle part is provided with circumferential annular groove, in the both sides of circumferential hoop connected in star, be provided with two mounting grooves, two described sealing rings (11) are socketed in respectively mounting groove periphery, described in join oil jacket (10) head be provided with the spline being connected with described variable frequency drive motors rotating shaft;
Described oil-feed cover (9) is the middle through post body structure of head with annular table, and its circumference is provided with through hole radially; Described in described oil-feed cover (9) is socketed in, join the periphery of oil jacket (10), form clearance fit; Described oil-feed cover (9) with described in join oil jacket (10) bottom annular boss leave gap, the radial direction through hole of described oil-feed cover (9) with described in the circumferential hoop connected in star of joining in the middle part of oil jacket (10) communicate;
Described oil-feed cover (9) is fixed on box house, and the center of top of described casing is provided with fluting, and the left and right sides is provided with the oil circuit mouth of pipe, and bottom is provided with notch, and described notch place connects described flowmeter (7);
The rotating shaft of described variable frequency drive motors is provided with described torque sensor (8), described rotating shaft through the fluting of described casing center of top with described in join the head spline joint of oil jacket (10);
The fuel-displaced pipeline of described fuel tank (4) connects described surplus valve (5), pressure transducer A(6 successively), after temperature sensor and heat radiation cooling device (13), through the oil circuit mouth of pipe and the described oil-feed cover (9) of described casing one side, go up the through hole spline joint perpendicular to axis; The return line of described fuel tank (4) connects described temperature sensor, pressure transducer B(12) after, through the oil circuit mouth of pipe and the upper through hole spline joint perpendicular to axis of described oil-feed cover (9) of described casing opposite side;
Described drive motor (1) is connected with described pump (2), and described pump (2) is connected with the fuel-displaced pipeline of described fuel tank (4), and a described temperature sensor is also set in described fuel tank (4).
2. the test method of an automobile-used rotating seal ring test unit, it is characterized in that: described drive motor (1) drives described pump (2) oil suction from described fuel tank (4), oil is injected to described fuel-displaced pipeline and return line, by reading described pressure transducer A(6) reading with regulation and control described surplus valves (5), regulate the oil pressure in described fuel-displaced pipeline and return line, described temperature sensor, for monitoring the temperature of described fuel-displaced pipeline and return line, if find oil overheating, is opened described heat radiation cooling device (13) and is regulated, open described variable frequency drive motors, described in driving, rotating shaft joins oil jacket (10) rotation, described in entering into by described oil-feed cover (9), oil in described fuel-displaced pipeline joins the circumferential hoop connected in star at oil jacket (10) middle part, and join in two mounting grooves of oil jacket (10) described in flowing into by described oil-feed cover (9) and the gap of joining oil jacket (10), described sealing ring (11) in described mounting groove is injecting under the effect of oil pressure, to the direction motion of the circumferential hoop connected in star away from middle part distending gradually, a side that is attached to described mounting groove forms sealing to the described oil jacket (10) of joining, in the incomplete situation of sealing, oil can flow out from described mounting groove, and converges to described bottom half by centrifugal force, and the described flowmeter (7) arranging by described bottom half, draws amount of leakage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310044277.XA CN103148998B (en) | 2013-02-04 | 2013-02-04 | Automotive rotary sealing ring testing device and testing method thereof |
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| CN201310044277.XA CN103148998B (en) | 2013-02-04 | 2013-02-04 | Automotive rotary sealing ring testing device and testing method thereof |
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| CN103148998B true CN103148998B (en) | 2014-04-16 |
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| CN111024329A (en) * | 2019-12-28 | 2020-04-17 | 清华大学 | High-pressure rotation combined sealing element performance detection and test device and method |
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| CN101173875A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Method and device for checking oil channel sealing of engine cylinder |
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| CN111024329A (en) * | 2019-12-28 | 2020-04-17 | 清华大学 | High-pressure rotation combined sealing element performance detection and test device and method |
| CN111024329B (en) * | 2019-12-28 | 2021-09-07 | 清华大学 | High-pressure rotation combined sealing element performance detection and test device and method |
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| CN103148998A (en) | 2013-06-12 |
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