CN103148998A - Automotive rotary sealing ring testing device - Google Patents
Automotive rotary sealing ring testing device Download PDFInfo
- Publication number
- CN103148998A CN103148998A CN201310044277XA CN201310044277A CN103148998A CN 103148998 A CN103148998 A CN 103148998A CN 201310044277X A CN201310044277X A CN 201310044277XA CN 201310044277 A CN201310044277 A CN 201310044277A CN 103148998 A CN103148998 A CN 103148998A
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- sealing ring
- feed cover
- jacket
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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 the test unit of the automobile-used rotating seal ring performance of a kind of evaluation test.
Background technology
In vehicle drive system, rotating seal ring is used 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 the future development of system of vehicle transmission technology towards 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 objective of the invention is: a kind of automobile-used rotating seal ring experimental provision 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 experimental provision, it is used for the performance of test 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, join oil jacket, pressure transducer B, temperature sensor, heat radiation cooling device and be used for the casing that fixedly oil-feed is overlapped;
The outer circumference surface of joining oil jacket bottom is provided with annular boss, the middle part is provided with circumferential annular groove, be provided with two mounting grooves in the both sides of circumferential hoop connected in star, two sealing rings are socketed in respectively the mounting groove periphery, and the head of joining oil jacket is provided with the spline that is connected with the variable frequency drive motors rotating shaft;
The oil-feed cover is the middle through post body structure of head with annular table, and its circumference is provided with through hole radially; The oil-feed cover is socketed in the periphery of joining oil jacket, forms clearance fit; Oil-feed cover leaves the gap with the annular boss of joining the oil jacket bottom, and the radial direction through hole of oil-feed cover communicates with circumferential hoop connected in star in the middle part of joining oil jacket;
The 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 the bottom is provided with notch, notch place connection traffic meter;
The rotating shaft of variable frequency drive motors is provided with torque sensor, and the fluting and the head spline joint of joining oil jacket of casing center of top passed in rotating shaft;
After the fuel-displaced pipeline of fuel tank connects surplus valve, pressure transducer A, temperature sensor and heat radiation cooling device successively, pass the oil circuit mouth of pipe of casing one side and oil-feed and put through hole spline joint perpendicular to axis; After the return line of fuel tank connects temperature sensor, pressure transducer B, pass the oil circuit mouth of pipe of casing opposite side and oil-feed and put 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 form single-stage pressure-control circuit change oil pocket internal pressure by motor pump surplus valve in parallel, thereby can the various different operating states of real simulation vehicle drive system.(2) the present invention can replace the oil jacket of joining that different inner diameters is installed, thus guarantee can evaluation test different inner diameters structure the sealing ring performance.(3) the present invention can control also monitoring system temperature by heat radiation cooling device and temperature sensor everywhere are 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 equipped with flowmeter, can accurately record leakage rate to estimate automobile-used rotating seal ring performance.
Description of drawings
Fig. 1 is that structure of the present invention forms schematic diagram;
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 experimental provision, it is used for the performance of test 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 be used for fixedly oil-feed and overlap 9 casing;
The outer circumference surface of joining oil jacket 10 bottoms is provided with annular boss, the middle part is provided with circumferential annular groove, be provided with two mounting grooves in the both sides of circumferential hoop connected in star, two sealing rings 11 are socketed in respectively the mounting groove periphery, and the head of joining oil jacket 10 is provided with the spline that is connected with the variable frequency drive motors rotating shaft;
Oil-feed cover 9 be head with the middle through post body structure of annular table, 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 the 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 the 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 the fluting and the head spline joint of joining oil jacket 10 of casing center of top passed in rotating shaft;
After the fuel-displaced pipeline of fuel tank 4 connects surplus valve 5, pressure transducer A6, temperature sensor and heat radiation cooling device 13 successively, pass on the oil circuit mouth of pipe of casing one side and oil-feed cover 9 the through hole spline joint perpendicular to axis; After the return line of fuel tank 4 connected temperature sensor, pressure transducer B12, the through hole spline joint perpendicular to axis was overlapped on 9 in the oil circuit mouth of pipe that passes the casing opposite side and oil-feed;
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 fuel-displaced pipeline and return line, and reading and regulation and control surplus valve 5 by reading pressure transducer A6 adjust the oil pressure in oil pipe line and return line; Temperature sensor is used for monitoring the temperature of fuel-displaced pipeline and return line, if find oil overheating, opens heat radiation cooling device 13 and regulates; Open variable frequency drive motors, rotating shaft drives joins oil jacket 10 rotations, 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 overlap 9 by oil-feed 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 under the effect of injecting oil pressure, to away from the direction motion of the circumferential hoop connected in star at middle part and 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 by bottom half arranges draws amount of leakage.
Claims (3)
1. automobile-used rotating seal ring experimental provision, it is used for the performance of test 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 be used for the casing of fixing described oil-feed cover (9);
Described outer circumference surface of joining oil jacket (10) bottom is provided with annular boss, the middle part is provided with circumferential annular groove, be provided with two mounting grooves in the both sides of circumferential hoop connected in star, two described sealing rings (11) are socketed in respectively the mounting groove periphery, and described head of joining oil jacket (10) is provided with the spline that is connected with described variable frequency drive motors rotating shaft;
Described oil-feed cover (9) be head with the middle through post body structure of annular table, its circumference is provided with through hole radially; Described oil-feed cover (9) is socketed in described periphery of joining oil jacket (10), forms clearance fit; Described oil-feed cover (9) leaves the gap with described annular boss of joining oil jacket (10) bottom, and the radial direction through hole of described oil-feed cover (9) communicates with described circumferential hoop connected in star of joining in the middle part of oil jacket (10);
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 the 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), and fluting and the described head spline joint of joining oil jacket (10) of described casing center of top passed in described rotating shaft;
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), pass 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 one side; The return line of described fuel tank (4) connects described temperature sensor, pressure transducer B(12) after, the oil circuit mouth of pipe that passes described casing opposite side and described oil-feed cover (9) are gone up the through hole spline joint perpendicular to axis;
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).
2. a kind of automobile-used rotating seal ring experimental provision as claimed in claim 1 or 2, is characterized in that, a described temperature sensor is set in described fuel tank (4).
3. a kind of automobile-used rotating seal ring experimental provision as claimed in claim 1 or 2, it is characterized in that, its test method is: described drive motor (1) drives described pump (2) oil suction from described fuel tank (4), oil is injected described fuel-displaced pipeline and return line, by reading described pressure transducer A(6) reading with regulation and control described surplus valve (5), regulate the oil pressure in described fuel-displaced pipeline and return line, described temperature sensor is used for monitoring the temperature of described fuel-displaced pipeline and return line, if find oil overheating, opens described heat radiation cooling device (13) and regulates, open described variable frequency drive motors, rotating shaft drives described oil jacket (10) rotation of joining, oil in described fuel-displaced pipeline enters into described circumferential hoop connected in star of joining oil jacket (10) middle part by described oil-feed cover (9), and flow in described two mounting grooves of joining oil jacket (10) by described oil-feed cover (9) and the gap of joining oil jacket (10), described sealing ring (11) in described mounting groove is under the effect of injecting oil pressure, to away from the direction motion of the circumferential hoop connected in star at middle part and 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) by described bottom half arranges draws amount of leakage.
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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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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769952A (en) * | 2014-01-06 | 2014-05-07 | 江苏腾旋科技股份有限公司 | Detection device for rotating joint used for machine tool |
| CN104062084A (en) * | 2014-07-03 | 2014-09-24 | 哈尔滨工程大学 | Test bench for comparison of working conditions of seal ring |
| CN105004518A (en) * | 2015-07-22 | 2015-10-28 | 闫胜昝 | Service life test equipment for shaft sealing ring |
| CN106197962A (en) * | 2016-06-15 | 2016-12-07 | 北京理工大学 | A kind of automobile-used rotatory sealing cavitation zone direct observation experiment platform |
| CN106482935A (en) * | 2016-09-20 | 2017-03-08 | 天津航天瑞莱科技有限公司 | Contact seal part comprehensive test system |
| CN107560842A (en) * | 2017-10-30 | 2018-01-09 | 张旭 | A kind of rubber seal bearing capacity Auto-Test System |
| CN107829972A (en) * | 2017-09-06 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
| CN108254260A (en) * | 2018-02-07 | 2018-07-06 | 常州进出口工业及消费品安全检测中心 | A kind of high-accuracy hydraulic dynamometer |
| CN108375469A (en) * | 2018-02-12 | 2018-08-07 | 西北工业大学 | Rubber seal life predication apparatus and method |
| CN108444643A (en) * | 2018-02-28 | 2018-08-24 | 北京联合大学 | A kind of O-ring dynamic sealing performance testing equipment |
| CN108776021A (en) * | 2018-03-30 | 2018-11-09 | 安徽江淮汽车集团股份有限公司 | The detection device of wet-type dual-clutch assembly |
| CN108955980A (en) * | 2018-07-26 | 2018-12-07 | 陕西奉航橡胶密封件有限责任公司 | A kind of outside framework oil seal force moment testing device and its detection method |
| CN108956104A (en) * | 2018-03-27 | 2018-12-07 | 南京利德东方橡塑科技有限公司 | Oil sealing torque experimental provision |
| CN109141839A (en) * | 2017-06-19 | 2019-01-04 | 发那科株式会社 | The inordinate wear detection device and motor rotary body apparatus of containment member |
| CN109708823A (en) * | 2019-01-17 | 2019-05-03 | 同济大学 | A kind of experimental rig and test method for rotary seal structure test |
| CN110940470A (en) * | 2019-10-15 | 2020-03-31 | 西北工业大学 | Rubber seal performance testing device |
| 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 |
| CN111828437A (en) * | 2020-06-19 | 2020-10-27 | 中国北方车辆研究所 | Clutch centrifugal oil pressure testing device capable of adjusting axial space |
| CN112683523A (en) * | 2020-12-22 | 2021-04-20 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
| CN114252257A (en) * | 2021-12-13 | 2022-03-29 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173875A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Engine cylinder oil duct sealing inspection method and inspection device |
| CN101315311A (en) * | 2008-07-01 | 2008-12-03 | 徐州天地重型机械制造有限公司 | Energy-saving hydraulic sealing experimental bench and method thereof |
| KR100897409B1 (en) * | 2007-05-17 | 2009-05-14 | 마그나파워트레인코리아 주식회사 | Testing Equipment For Seal Ring And Oil Pump Housing |
| CN101726396A (en) * | 2009-12-17 | 2010-06-09 | 中国航天科技集团公司第五研究院第五一○研究所 | Device and method for detecting leak rate of O type rubber sealing ring used for spaceflight |
| CN102507166A (en) * | 2011-10-17 | 2012-06-20 | 西南石油大学 | Bilaterally-charging high-pressure dynamic-seal test bed and test method |
| CN102507103A (en) * | 2011-10-11 | 2012-06-20 | 浙江工业大学 | Gas sealing experimental device and method |
| CN102589821A (en) * | 2012-02-20 | 2012-07-18 | 南京林业大学 | Novel mechanical sealing performance testing apparatus |
-
2013
- 2013-02-04 CN CN201310044277.XA patent/CN103148998B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173875A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Engine cylinder oil duct sealing inspection method and inspection device |
| KR100897409B1 (en) * | 2007-05-17 | 2009-05-14 | 마그나파워트레인코리아 주식회사 | Testing Equipment For Seal Ring And Oil Pump Housing |
| CN101315311A (en) * | 2008-07-01 | 2008-12-03 | 徐州天地重型机械制造有限公司 | Energy-saving hydraulic sealing experimental bench and method thereof |
| CN101726396A (en) * | 2009-12-17 | 2010-06-09 | 中国航天科技集团公司第五研究院第五一○研究所 | Device and method for detecting leak rate of O type rubber sealing ring used for spaceflight |
| CN102507103A (en) * | 2011-10-11 | 2012-06-20 | 浙江工业大学 | Gas sealing experimental device and method |
| CN102507166A (en) * | 2011-10-17 | 2012-06-20 | 西南石油大学 | Bilaterally-charging high-pressure dynamic-seal test bed and test method |
| CN102589821A (en) * | 2012-02-20 | 2012-07-18 | 南京林业大学 | Novel mechanical sealing performance testing apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 符永宏: "不同激光表面造型机械密封环的性能试验研究", 《流体机械》 * |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103769952A (en) * | 2014-01-06 | 2014-05-07 | 江苏腾旋科技股份有限公司 | Detection device for rotating joint used for machine tool |
| CN104062084A (en) * | 2014-07-03 | 2014-09-24 | 哈尔滨工程大学 | Test bench for comparison of working conditions of seal ring |
| CN105004518A (en) * | 2015-07-22 | 2015-10-28 | 闫胜昝 | Service life test equipment for shaft sealing ring |
| CN106197962A (en) * | 2016-06-15 | 2016-12-07 | 北京理工大学 | A kind of automobile-used rotatory sealing cavitation zone direct observation experiment platform |
| CN106197962B (en) * | 2016-06-15 | 2018-08-31 | 北京理工大学 | A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone |
| CN106482935A (en) * | 2016-09-20 | 2017-03-08 | 天津航天瑞莱科技有限公司 | Contact seal part comprehensive test system |
| CN106482935B (en) * | 2016-09-20 | 2019-06-25 | 天津航天瑞莱科技有限公司 | Contact seal part comprehensive test system |
| CN109141839B (en) * | 2017-06-19 | 2019-07-05 | 发那科株式会社 | The inordinate wear detection device and motor rotary body apparatus of containment member |
| CN109141839A (en) * | 2017-06-19 | 2019-01-04 | 发那科株式会社 | The inordinate wear detection device and motor rotary body apparatus of containment member |
| CN107829972B (en) * | 2017-09-06 | 2019-11-08 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
| CN107829972A (en) * | 2017-09-06 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
| CN107560842A (en) * | 2017-10-30 | 2018-01-09 | 张旭 | A kind of rubber seal bearing capacity Auto-Test System |
| CN107560842B (en) * | 2017-10-30 | 2019-03-22 | 鬼怒川橡塑（广州）有限公司 | A kind of rubber seal bearing capacity Auto-Test System |
| CN108254260A (en) * | 2018-02-07 | 2018-07-06 | 常州进出口工业及消费品安全检测中心 | A kind of high-accuracy hydraulic dynamometer |
| CN108375469A (en) * | 2018-02-12 | 2018-08-07 | 西北工业大学 | Rubber seal life predication apparatus and method |
| CN108444643B (en) * | 2018-02-28 | 2020-07-17 | 北京联合大学 | O-shaped ring dynamic sealing performance test equipment |
| CN108444643A (en) * | 2018-02-28 | 2018-08-24 | 北京联合大学 | A kind of O-ring dynamic sealing performance testing equipment |
| CN108956104A (en) * | 2018-03-27 | 2018-12-07 | 南京利德东方橡塑科技有限公司 | Oil sealing torque experimental provision |
| CN108776021A (en) * | 2018-03-30 | 2018-11-09 | 安徽江淮汽车集团股份有限公司 | The detection device of wet-type dual-clutch assembly |
| CN108955980A (en) * | 2018-07-26 | 2018-12-07 | 陕西奉航橡胶密封件有限责任公司 | A kind of outside framework oil seal force moment testing device and its detection method |
| CN109708823A (en) * | 2019-01-17 | 2019-05-03 | 同济大学 | A kind of experimental rig and test method for rotary seal structure test |
| CN110940470A (en) * | 2019-10-15 | 2020-03-31 | 西北工业大学 | Rubber seal performance testing device |
| CN110940470B (en) * | 2019-10-15 | 2021-10-26 | 西北工业大学 | Rubber seal performance testing device |
| 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 |
| CN111828437A (en) * | 2020-06-19 | 2020-10-27 | 中国北方车辆研究所 | Clutch centrifugal oil pressure testing device capable of adjusting axial space |
| CN111828437B (en) * | 2020-06-19 | 2022-10-28 | 中国北方车辆研究所 | Clutch centrifugal oil pressure testing device capable of adjusting axial space |
| CN112683523A (en) * | 2020-12-22 | 2021-04-20 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
| CN114252257A (en) * | 2021-12-13 | 2022-03-29 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
| CN114252257B (en) * | 2021-12-13 | 2023-11-03 | 安庆帝伯功能塑料有限公司 | Dynamic sealing ring testing machine |
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