CN102879177A - Hydro-viscous drive characteristic testing system - Google Patents
Hydro-viscous drive characteristic testing system Download PDFInfo
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- CN102879177A CN102879177A CN2012103731122A CN201210373112A CN102879177A CN 102879177 A CN102879177 A CN 102879177A CN 2012103731122 A CN2012103731122 A CN 2012103731122A CN 201210373112 A CN201210373112 A CN 201210373112A CN 102879177 A CN102879177 A CN 102879177A
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Abstract
The invention discloses a hydro-viscous drive characteristic testing system, and is applicable to simulating oil film power drive characteristic between rotary interfaces on various working conditions. The hydro-viscous drive characteristic testing system mainly comprises a base, a motor, a coupler, a torque sensor, a hydro-viscous drive device and a hydraulic control system. The hydro-viscous drive device comprises an input shaft, an output shaft, a driving friction plate, a driven friction plate, a left supporting plate, a right supporting plate, a shell, a sealing component and the like. The hydraulic control system mainly comprises a motor, a double-pump, a proportional spill valve, an electromagnetic reversing valve, a throttling valve, a flowmeter, a filter, a pressure transmitter, an oil tank and the like. The hydro-viscous drive characteristic testing device and the system are implemented according to the operation principle of utilizing shear force of an oil film between the friction plates to transmit power and regulating transmission torque by changing the thickness of the oil film or rotational speed of the motor. The hydro-viscous drive characteristic testing system is simple in structure, low in cost, convenient to operate, safe and reliable, can be used for researching on characteristics of flow field, pressure field, temperature field and transmission torque of the oil film between the rotary interfaces on various working conditions, and has practicability in a wide scope.
Description
Technical field
The present invention relates to the sticking drive characteristic test macro of a kind of liquid, be particularly useful for simulating and rotate oil film dynamic transfer characteristics between the interface under the various working, flow field, pressure field, temperature field and the transmitting torque of oil film between research rotation interface are for the design of the sticking gearing of liquid and the application of the sticking drive technology of liquid provide certain technical support.
Background technology
Utilize viscosity or the shear action transmitting torque of liquid, be also referred to as liquid viscosity transmission (being called for short the sticking transmission of liquid), it is a kind of novel fluid type of belt drive that 20 century 70s get up from development abroad mid-term, it is based on law of friction in the newton, by changing the size of oil film thickness transmitting torque, be characterized in that speed governing is highly sensitive, good stability, output speed can be realized step-less adjustment in 0~100% scope, it is the effective means that realizes that plant equipment is energy-saving and cost-reducing, realize stepless speed regulation and soft start in the plant equipment operational process, at high-power blower, obtain in the plant equipment such as water pump and belt conveyor to use widely.
The sticking drive technology of liquid is through nearly 30 years development, obtaining larger achievement aspect the theory research, Chinese scholars has been carried out a large amount of research on oil film state, oil film thickness, interface groove, surfaceness etc. to the impact of the sticking drive characteristic of liquid, mostly adopts the method for numerical simulation or theoretical approximate derivation to launch research.There is certain deficiency in experimental study and product application facet, especially experimental study aspect, lack test unit rational in infrastructure, if adopt model machine to carry out site test research, have following shortcoming: (1) device fabrication cycle is long and expense is high, (2) Installation and Debugging are complicated and waste time and energy, and (3) failure rate is high and be not easy to safeguard.Therefore, develop the sticking transmission test device of a kind of simple in structure, with low cost, easy and simple to handle, safe and reliable liquid, be used for simulating the dynamic transfer characteristics of oil film under the various operating modes, be only unique feasible approach.
Summary of the invention
The objective of the invention is for the deficiency that exists in the prior art, provide a kind of liquid simple and compact for structure, that floor area is little, cost is low, easy to operate sticking transmission test device.
Technical scheme of the present invention is: a kind of liquid glues the drive characteristic test macro, comprises that base, motor, the first shaft coupling, torque sensor, the second shaft coupling and liquid glue gearing; The sticking gearing of described liquid comprises left support dish and the right support dish that is fixed on the shell two ends, the left support dish is provided with gland bonnet, left support dish and gland bonnet are provided with input shaft, input shaft right-hand member and left end disc welding, left end disc right-hand member screw is connected with active friction plate, and output shaft is connected on the right support dish by flat key, output shaft left end and right end disc welding, right end disc left end screw is connected with driven friction, and described right support dish is provided with control port; The sticking gearing of described liquid links to each other with hydraulic control system, described hydraulic control system comprises the duplex pump that is connected with fuel tank, described duplex pump is driven by small machine, and the right pump output fluid of described duplex pump links to each other with control port with control oil pipe through solenoid directional control valve; The left pump output circuit of described duplex pump is provided with throttling valve, flowmeter, and glues the import of gearing working oil by working oil oil inlet pipe to liquid; Described shell upper is provided with the working oil outlet, and described working oil outlet links to each other with described fuel tank with the return filter of described hydraulic control system through the working oil scavenge pipe.
The oil absorbing end of described duplex pump is provided with oil absorption filter, the proportional pressure control valve that the right pump output terminal of described duplex pump is provided with fine filter, tensimeter, pressure unit and is connected with fuel tank.
The left pump of described duplex pump links to each other with fuel tank through surplus valve.
Described input shaft is kept right to hold and is had the axle center hole that communicates with its working oil import.
Micro pressure sensor and temperature sensor are installed on the described driven friction, and described pressure transducer and temperature sensor are all according to circumferential and radial arrangement.
Described driven friction surface working has groove.
Further, this system also comprises flow sensor and displacement transducer, and described flow sensor is connected with the working oil outlet, and described displacement transducer is installed on the driven friction.
Further, this system also comprises data acquisition processing system, comprises data collecting card and the computing machine that is attached thereto, described data collecting card and pressure transducer, temperature sensor, displacement transducer, torque sensor and flow sensor.
Beneficial effect of the present invention: by changing the pressure of control port, the output shaft move left and right that promotion and driven friction are connected as a single entity, to adjust the thickness of oil film between the interior active friction plate, adjust simultaneously the flow of working oil path by throttling valve, be used for simulating and rotate oil film dynamic transfer characteristics between the interface under the various working, flow field, pressure field, temperature field and the transmitting torque of oil film between research rotation interface.The present invention is simple in structure, with low cost, easy and simple to handle, safe and reliable, can be used for simulating the dynamic transfer characteristics of oil film under the various operating modes.
Description of drawings
Fig. 1 is the sticking drive characteristic measurement system diagram of liquid of the present invention;
Fig. 2 is the sticking transmission structures figure of liquid of the present invention;
Fig. 3 is driven friction structural drawing of the present invention;
Fig. 4 is hydraulic system principle figure of the present invention;
Fig. 5 is data acquisition process synoptic diagram of the present invention;
Among Fig. 1: 1. base, 2. motor, 3 first shaft couplings, 5. the second shaft coupling, 4. torque sensor, the 6. sticking gearing of liquid, 7. frequency converter, a. control oil pipe, b. working oil oil inlet pipe, c. working oil scavenge pipe;
Among Fig. 2: 6-1. input shaft, 6-2. gland bonnet, 6-3. left support dish, 6-4. left end disc, 6-5. active friction plate, the outlet of 6-6. working oil, 6-7. shell, 6-8. driven friction, 6-9. right support dish, 6-10. output shaft, 6-11. flat key, 6-12. control port, 6-13. right end disc, 6-14. drainage plug, the import of 6-15. working oil, 6-16. axle center hole;
Among Fig. 3: Y-1. oil absorption filter, Y-2. small machine, Y-3. duplex pump, Y-4. fine filter, Y-5. pressure unit, Y-6, Y-12. tensimeter, Y-7. proportional pressure control valve, Y-8. solenoid directional control valve, Y-9. surplus valve, Y-10. throttling valve, Y-11. flowmeter, Y-13. return filter, Y-14. fuel tank.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Shown in Figure 1, the sticking transmission test device of liquid comprises: base 1 and the motor 2, shaft coupling 3, torque sensor 4, shaft coupling 5 and the liquid that are installed on the base 1 glue gearing 6, what link to each other with motor 2 is the sticking gearing 6 of shaft coupling 3, torque sensor 4, shaft coupling 5 and liquid successively, also comprises the hydraulic control system that links to each other with the sticking gearing 6 of liquid.
Shown in Figure 2, the sticking gearing 6 of liquid comprises shell 6-7, its top is provided with the working oil outlet 6-6 that is communicated with working oil scavenge pipe c, be fixed on left support dish 6-3 and the right support dish 6-9 at shell 6-7 two ends, left support dish 6-3 is provided with gland bonnet 6-2, left support dish 6-3 and gland bonnet 6-2 are provided with input shaft 6-1, input shaft 6-1 right-hand member and left end disc 6-4 welding, left end disc 6-4 right-hand member screw is connected with active friction plate 6-5, and input shaft 6-1 keeps right and holds a side shaft section to have the axle center hole 6-16 that communicates with its working oil import 6-15; Output shaft 6-10 is connected on the right support dish 6-9 by flat key 6-11, and right support dish 6-9 is provided with drainage plug 6-14 and the control port 6-12 that links to each other with control oil pipe a; Output shaft 6-10 left end and right end disc 6-13 welding, right end disc 6-13 left end screw is connected with driven friction 6-8; The distance of described active friction plate 6-5 and driven friction 6-8 is that 0 ~ 1mm is adjustable; Described active friction plate 6-5 is ganoid steel disc, and as shown in Figure 3, driven friction 6-8 surface working has groove, and shape and the quantity of groove design according to requirement of experiment, and general described groove is radial distribution.
The micro pressure sensor of measuring oil film pressure and the temperature sensor of measuring the oil film temperature are installed on the driven friction 6-8, and pressure transducer and temperature sensor are all according to circumferential and radial arrangement, in order to analyze the circumferential and regularity of distribution radially of pressure field and edge, temperature field of oil film; Flow sensor is connected with working oil outlet 6-6, is used for the flow of surveying work oil; Displacement transducer is installed on the driven friction 6-8, is used for measuring the thickness of oil film.
Shown in Figure 4, hydraulic control system comprises the duplex pump Y-3 that is connected with fuel tank Y-14, be provided with oil absorption filter Y-1 therebetween, duplex pump Y-3 is driven by small machine Y-2, the proportional pressure control valve Y-7 that the right pump output terminal of duplex pump Y-3 is provided with fine filter Y-4, tensimeter Y-6, pressure unit Y-5 and is connected with fuel tank, the right pump output fluid of duplex pump Y-3 links to each other with control port 6-12 with control oil pipe a through solenoid directional control valve Y-8; The surplus valve Y-9 that the left pump main road of duplex pump Y-3 is provided with throttling valve Y-10, flowmeter Y-11, tensimeter Y-12 and is connected with fuel tank links to each other with the sticking gearing working oil import 6-15 of liquid through working oil oil inlet pipe b; Working oil scavenge pipe c links to each other with the sticking gearing working oil outlet of liquid 6-6, and oil return is flowed back to fuel tank Y-14 through return filter Y-13.
The sticking transmission test device test method of liquid of the present invention and process:
(1) starter motor 2, power glues the input shaft 6-1 of gearing 6 to liquid through shaft coupling 3, torque sensor 4, shaft coupling 5, input shaft 6-1 drives active friction plate 6-5 rotation, by the rotating speed of frequency converter 7 regulating electric machines 2, utilizes the numerical value of torque sensor 4 record rotating speeds and moment of torsion;
(2) start small machine Y-2, drive duplex pump Y-3, working oil flow through successively right pump, fine filter Y-4, solenoid directional control valve Y-8, control oil pipe a, the control port 6-12 of duplex pump Y-3, this oil circuit control is provided with proportional pressure control valve Y-7, be used for regulating the size of control oil pressure, promote output shaft 6-10 move left and right, to change the thickness of oil film between active friction plate 6-5 and the driven friction 6-8;
(3) working oil of the left pump output of duplex pump Y-3 is through the axle center hole 6-16 of throttling valve Y-10, flowmeter Y-11, working oil oil inlet pipe b, the sticking gearing working oil import 6-15 of liquid, input shaft 1, enter the gap between active friction plate 6-5 and the driven friction, form working oil membrane, the heat that simultaneously can cooling system produces; By throttling valve Y-10 adjust flux, by the size of flowmeter Y-11 record flow; Surplus valve Y-9 is used for setting the size of working oil path oil pressure.
(4) Fig. 5 is experimental data acquisition process synoptic diagram of the present invention, the computer compilation data acquisition program, the flow of flow sensor surveying work oil, pressure transducer are measured the pressure of oil film, the temperature of temperature sensor measurement oil film, the thickness of displacement sensor oil film, torque sensor is measured the moment of torsion that transmits, and carries out data sampling and processing and analysis by data acquisition system (DAS).
Claims (8)
1. the sticking drive characteristic test macro of liquid comprises that base (1), motor (2), the first shaft coupling (3), torque sensor (4), the second shaft coupling (5) and liquid glue gearing (6); It is characterized in that: described liquid glues gearing (6) and comprises left support dish (6-3) and the right support dish (6-9) that is fixed on shell (6-7) two ends, left support dish (6-3) is provided with gland bonnet (6-2), left support dish (6-3) and gland bonnet (6-2) are provided with input shaft (6-1), input shaft (6-1) right-hand member and left end disc (6-4) welding, left end disc (6-4) right-hand member screw is connected with active friction plate (6-5), output shaft (6-10) is connected on the right support dish (6-9) by flat key (6-11), output shaft (6-10) left end and right end disc (6-13) welding, right end disc (6-13) left end screw is connected with driven friction (6-8), and described right support dish (6-9) is provided with control port (6-12); Described liquid glues gearing (6) and links to each other with hydraulic control system, described hydraulic control system comprises the duplex pump (Y-3) that is connected with fuel tank (Y-14), described duplex pump (Y-3) is driven by small machine (Y-2), and the right pump output fluid of described duplex pump (Y-3) links to each other with control port (6-12) with control oil pipe (a) through solenoid directional control valve (Y-8); The left pump output circuit of described duplex pump (Y-3) is provided with throttling valve (Y-10), flowmeter (Y-11), and glues gearing working oil import (6-15) by working oil oil inlet pipe (b) to liquid; Described shell (6-7) top is provided with working oil outlet (6-6), and described working oil outlet (6-6) links to each other with described fuel tank (Y-14) with the return filter (Y-13) of described hydraulic control system through working oil scavenge pipe (c).
2. a kind of liquid according to claim 1 glues the drive characteristic test macro, it is characterized in that: the oil absorbing end of described duplex pump (Y-3) is provided with oil absorption filter (Y-1), the proportional pressure control valve (Y-7) that the right pump output terminal of described duplex pump (Y-3) is provided with fine filter (Y-4), tensimeter (Y-6), pressure unit (Y-5) and is connected with fuel tank (Y-14).
3. a kind of liquid according to claim 1 glues the drive characteristic test macro, and it is characterized in that: the left pump of described duplex pump (Y-3) links to each other with fuel tank (Y-14) through surplus valve (Y-9).
4. a kind of liquid according to claim 1 glues the drive characteristic test macro, it is characterized in that: described input shaft (6-1) is kept right to hold and is had the axle center hole (6-16) that communicates with its working oil import.
5. a kind of liquid according to claim 1 glues the drive characteristic test macro, it is characterized in that: on the described driven friction (6-8) micro pressure sensor and temperature sensor are installed, and described pressure transducer and temperature sensor are all according to circumferential and radial arrangement.
6. a kind of liquid according to claim 1 glues the drive characteristic test macro, and it is characterized in that: described driven friction (6-8) surface working has groove.
7. a kind of liquid according to claim 1 glues the drive characteristic test macro, it is characterized in that: also comprise flow sensor and displacement transducer, described flow sensor is connected with working oil outlet (6-6), and described displacement transducer is installed on the driven friction (6-8).
8. a kind of liquid according to claim 7 glues the drive characteristic test macro, it is characterized in that: also comprise data acquisition processing system, comprise data collecting card and the computing machine that is attached thereto, described data collecting card and pressure transducer, temperature sensor, displacement transducer, torque sensor (4) and flow sensor.
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CN201210373112.2A CN102879177B (en) | 2012-09-29 | 2012-09-29 | A kind of liquid glues drive characteristic test macro |
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Cited By (10)
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CN103629267A (en) * | 2013-11-26 | 2014-03-12 | 江苏大学 | Energy-saving hydraulic system of liquid viscosity speed regulation clutch |
CN104502092A (en) * | 2014-12-11 | 2015-04-08 | 江苏大学 | Vertical visual oil film power test device |
CN104568431A (en) * | 2014-12-29 | 2015-04-29 | 浙江大学 | Hydro-viscous transmission testing device for measuring dynamic parameter of oil film |
CN106353091A (en) * | 2016-08-31 | 2017-01-25 | 江苏大学 | Hydro-viscous drive test device with friction plate number and oil film thickness controllable |
CN106840676A (en) * | 2017-03-21 | 2017-06-13 | 上海大学 | Shearing and tension and compression dual drive and the visual sliding bearing noise testing testing machine of film shape |
CN107366692A (en) * | 2017-08-05 | 2017-11-21 | 苏州方德锐精密机电科技有限公司 | A kind of hand-adjusting type transparent hydro-viscous speed governing clutch in high precision |
CN107421737A (en) * | 2017-08-05 | 2017-12-01 | 苏州方德锐精密机电科技有限公司 | A kind of high-precision transparent liquid glues drive experiments test device |
CN107747933A (en) * | 2017-08-18 | 2018-03-02 | 江苏大学 | A kind of method that sensor monitors antithesis piece deformation in real time |
CN107781331A (en) * | 2016-08-30 | 2018-03-09 | 力博重工科技股份有限公司 | Intellectualized visual hydro viscous variable speed drive experimental rig |
CN109187188A (en) * | 2018-09-30 | 2019-01-11 | 常州大学 | Circular ring type optical elastohydrodynamic oil film measures testing machine |
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Cited By (15)
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CN103629267B (en) * | 2013-11-26 | 2015-12-09 | 江苏大学 | A kind of hydro-viscous speed governing clutch energy-saving hydraulic system |
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CN104568431A (en) * | 2014-12-29 | 2015-04-29 | 浙江大学 | Hydro-viscous transmission testing device for measuring dynamic parameter of oil film |
CN107781331A (en) * | 2016-08-30 | 2018-03-09 | 力博重工科技股份有限公司 | Intellectualized visual hydro viscous variable speed drive experimental rig |
CN106353091A (en) * | 2016-08-31 | 2017-01-25 | 江苏大学 | Hydro-viscous drive test device with friction plate number and oil film thickness controllable |
CN106353091B (en) * | 2016-08-31 | 2018-10-09 | 江苏大学 | A kind of viscous transmission test device of liquid of controllable friction piece quantity and oil film thickness |
CN106840676A (en) * | 2017-03-21 | 2017-06-13 | 上海大学 | Shearing and tension and compression dual drive and the visual sliding bearing noise testing testing machine of film shape |
CN107366692A (en) * | 2017-08-05 | 2017-11-21 | 苏州方德锐精密机电科技有限公司 | A kind of hand-adjusting type transparent hydro-viscous speed governing clutch in high precision |
CN107421737A (en) * | 2017-08-05 | 2017-12-01 | 苏州方德锐精密机电科技有限公司 | A kind of high-precision transparent liquid glues drive experiments test device |
CN107747933A (en) * | 2017-08-18 | 2018-03-02 | 江苏大学 | A kind of method that sensor monitors antithesis piece deformation in real time |
CN107747933B (en) * | 2017-08-18 | 2019-11-05 | 江苏大学 | A kind of method of sensor real time monitoring antithesis piece deformation |
CN109187188A (en) * | 2018-09-30 | 2019-01-11 | 常州大学 | Circular ring type optical elastohydrodynamic oil film measures testing machine |
CN109187188B (en) * | 2018-09-30 | 2020-12-01 | 常州大学 | Circular ring type photoelastic flow oil film measuring and testing machine |
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