CN102879177B - A kind of liquid glues drive characteristic test macro - Google Patents
A kind of liquid glues drive characteristic test macro Download PDFInfo
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- CN102879177B CN102879177B CN201210373112.2A CN201210373112A CN102879177B CN 102879177 B CN102879177 B CN 102879177B CN 201210373112 A CN201210373112 A CN 201210373112A CN 102879177 B CN102879177 B CN 102879177B
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Abstract
The present invention discloses a kind of liquid and glues drive characteristic test macro, to be applicable under simulation various working oil film dynamic transfer characteristics between rotary interface.It glues gearing and hydraulic control system composition primarily of base, motor, shaft coupling, torque sensor, liquid, and liquid glues gearing and is made up of input shaft, output shaft, active friction plate, driven friction, left support dish, right support dish, shell and seal assembly etc.; Hydraulic control system is primarily of compositions such as motor, duplex pump, proportional pressure control valve, solenoid directional control valve, throttling valve, flowmeter, filtrator, pressure unit and fuel tanks.The principle of work that liquid of the present invention glues drive characteristic proving installation and system is the shear transfer power utilizing oil film between friction disc, by changing the size of the thickness of oil film or the rotational speed regulation transmitting torque of motor.Structure of the present invention is simple, with low cost, easy and simple to handle, safe and reliable, can be used for studying the flow field of oil film between rotary interface under various operating mode, pressure field, temperature field and transmitting torque characteristic, has practicality widely.
Description
Technical field
The present invention relates to a kind of liquid and glue drive characteristic test macro, to be particularly useful under simulation various working oil film dynamic transfer characteristics between rotary interface, the flow field of oil film, pressure field, temperature field and transmitting torque between research rotary interface, provide certain technical support for liquid glues the application that the design of gearing and liquid glues drive technology.
Background technology
Utilize viscosity or the shear action transmitting torque of liquid, also referred to as hydro-viscous drive (be called for short liquid and glue transmission), 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 newton module, by changing the size of oil film thickness transmitting torque, be characterized in that speed governing is highly sensitive, good stability, output speed can realize step-less adjustment in 0 ~ 100% scope, realize the energy-saving and cost-reducing effective means of plant equipment, realize the stepless speed regulation in plant equipment operational process and soft start, at high-power blower, obtain in the plant equipment such as water pump and belt conveyor and apply widely.
Liquid glues drive technology through the development of nearly 30 years, larger achievement is achieved in theoretical research, Chinese scholars has carried out large quantifier elimination on oil film state, oil film thickness, interface groove, surfaceness etc. to the impact that liquid glues drive characteristic, mostly adopts the method for numerical simulation or theoretical approximate derivation to launch research.Certain deficiency is there is in experimental study and products application, especially experimental study aspect, lack test unit rational in infrastructure, field test research is carried out according to model machine, there is following shortcoming: (1) device fabrication cycle is long and costly, (2) Installation and Debugging are complicated and waste time and energy, and (3) failure rate is high and be not easy to safeguard.Therefore, the liquid developing a kind of structure simple, with low cost, easy and simple to handle, safe and reliable glues transmission test device, for simulating the dynamic transfer characteristics of oil film under various operating mode, is only the approach of unique feasible.
Summary of the invention
The object of the invention is the deficiency for existing in prior art, providing a kind of liquid simple and compact for structure, that floor area is little, cost is low, easy to operate to glue transmission test device.
Technical scheme of the present invention is: a kind of liquid glues drive characteristic test macro, comprises base, motor, the first shaft coupling, torque sensor, the second shaft coupling and liquid and glues gearing; Described liquid glues gearing and comprises the left support dish and right support dish that are fixed on shell two ends, left support dish is provided with gland bonnet, left support dish and gland bonnet are provided with input shaft, input shaft right-hand member welds with left end disc, left end disc right-hand member screw is connected with active friction plate, and output shaft is connected on right support dish by flat key, and output shaft left end welds with right end disc, right end disc left end screw is connected with driven friction, and described right support dish is provided with control port; Described liquid glues gearing and is connected with hydraulic control system, described hydraulic control system comprises the duplex pump be connected with fuel tank, described duplex pump is driven by small machine, and the right pump of described duplex pump exports fluid and is connected 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 transmission operation oil inlet by working oil oil inlet pipe to liquid; Described shell upper is provided with working oil outlet, and described working oil outlet is connected with described fuel tank with the return filter of described hydraulic control system through 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 is connected with fuel tank through surplus valve.
Described input shaft is kept right to hold and is had the axle center hole communicated with its working oil import.
Described driven friction is provided with micro pressure sensor and temperature sensor, and described pressure transducer and temperature sensor are all according to circumference and radial arrangement.
Described driven friction surface working has groove.
Further, this system also comprises flow sensor and displacement transducer, and described flow sensor exports with working oil and is connected, and institute's displacement sensors is arranged in driven friction.
Further, this system also comprises data acquisition processing system, the computing machine comprising data collecting card He be 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 promoting to be connected as a single entity with driven friction moves left and right, to adjust the thickness of oil film between interior active friction plate, simultaneously by the flow of throttling valve adjustment working oil path, to be used under simulation various working oil film dynamic transfer characteristics between rotary interface, the flow field of oil film, pressure field, temperature field and transmitting torque between research rotary interface.Structure of the present invention is simple, with low cost, easy and simple to handle, safe and reliable, can be used for simulating the dynamic transfer characteristics of oil film under various operating mode.
Accompanying drawing explanation
Fig. 1 is that liquid of the present invention glues drive characteristic measurement system diagram;
Fig. 2 is that liquid of the present invention glues transmission structures figure;
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 schematic diagram of the present invention;
In Fig. 1: 1. base, 2. motor, 3 first shaft couplings, 5. the second shaft coupling, 4. torque sensor, 6. liquid glues gearing, 7. frequency converter, a. control oil pipe, b. working oil oil inlet pipe, c. working oil scavenge pipe;
In 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, 6-6. working oil exports, 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;
In 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 Fig. 1, liquid glues transmission test device and comprises: base 1 and motor 2, shaft coupling 3, torque sensor 4, shaft coupling 5 and the liquid be arranged on base 1 glue gearing 6, what be connected with motor 2 is shaft coupling 3 successively, torque sensor 4, shaft coupling 5 and liquid glue gearing 6, also comprises the hydraulic control system of to glue gearing 6 with liquid and being connected.
Shown in Fig. 2, liquid glues gearing 6 and comprises shell 6-7, its top is provided with the working oil be communicated with working oil scavenge pipe c and exports 6-6, 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 is provided with input shaft 6-1, input shaft 6-1 right-hand member welds with left end disc 6-4, 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 side shaft part to have the axle center hole 6-16 communicated with its working oil import 6-15; Output shaft 6-10 is connected on right support dish 6-9 by flat key 6-11, the control port 6-12 that right support dish 6-9 is provided with drainage plug 6-14 and is connected with control oil pipe a; Output shaft 6-10 left end welds with right end disc 6-13, and 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 the shape of groove and quantity experimentally require design, and general described groove is radial distribution.
Driven friction 6-8 is provided with the micro pressure sensor measuring oil film pressure and the temperature sensor measuring oil film temperature, and pressure transducer and temperature sensor are all according to circumference and radial arrangement, so as to analyze the pressure field of oil film and temperature field circumferentially with the regularity of distribution of radial direction; Flow sensor and working oil export 6-6 and are connected, for the flow of surveying work oil; Displacement transducer is arranged on driven friction 6-8, for measuring the thickness of oil film.
Shown in Fig. 4, hydraulic control system comprises the duplex pump Y-3 be 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 right pump of 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, duplex pump Y-3 exports fluid and is connected 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, glues transmission operation oil inlet 6-15 through working oil oil inlet pipe b with liquid and is connected; Working oil scavenge pipe c and liquid glue transmission operation oil export 6-6 and are connected, and oil return flows back to fuel tank Y-14 through return filter Y-13.
Liquid of the present invention glues transmission test device test method 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 to rotate, and is regulated the rotating speed of motor 2, utilize torque sensor 4 to record the numerical value of rotating speed and moment of torsion by frequency converter 7;
(2) small machine Y-2 is started, drive duplex pump Y-3, working oil flows through 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 successively, this oil circuit control is provided with proportional pressure control valve Y-7, be used for the size of regulable control oil pressure, promote output shaft 6-10 to move left and right, to change the thickness of oil film between active friction plate 6-5 and driven friction 6-8;
(3) working oil that exports of the left pump of duplex pump Y-3 glues the axle center hole 6-16 of transmission operation oil inlet 6-15, input shaft 1 through throttling valve Y-10, flowmeter Y-11, working oil oil inlet pipe b, liquid, enter the gap between active friction plate 6-5 and driven friction, form working oil membrane, simultaneously can the heat that produces of cooling system; By throttling valve Y-10 adjust flux, recorded the size of flow by flowmeter Y-11; Surplus valve Y-9 is for setting the size of working oil path oil pressure.
(4) Fig. 5 is experimental data acquisition process schematic diagram of the present invention, computer compilation data acquisition program, the flow of flow sensor surveying work oil, pressure transducer measure pressure, the temperature of temperature sensor measurement oil film, the thickness of displacement sensor oil film of oil film, the moment of torsion transmitted measured by torque sensor, carries out data sampling and processing and analysis by data acquisition system (DAS).
Claims (7)
1. liquid glues a drive characteristic test macro, comprises base (1), motor (2), the first shaft coupling (3), torque sensor (4), the second shaft coupling (5) and liquid and glues gearing (6), it is characterized in that: described liquid glues gearing (6) and comprises the left support dish (6-3) and right support dish (6-9) that are 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 welds with left end disc (6-4), left end disc (6-4) right-hand member screw is connected with active friction plate (6-5), output shaft (6-10) is connected on right support dish (6-9) by flat key (6-11), output shaft (6-10) left end welds with right end disc (6-13), right end disc (6-13) left end screw is connected with driven friction (6-8), described right support dish (6-9) is provided with control port (6-12), described liquid glues gearing (6) and is connected with hydraulic control system, described hydraulic control system comprises the duplex pump (Y-3) be connected with fuel tank (Y-14), described duplex pump (Y-3) is driven by small machine (Y-2), and the right pump of described duplex pump (Y-3) exports fluid and is connected 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 transmission operation oil inlet (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) is connected with described fuel tank (Y-14) with the return filter (Y-13) of described hydraulic control system through working oil scavenge pipe (c), it is that 0 ~ 1mm is adjustable with the distance of driven friction (6-8) that described right support dish (6-9) is provided with drainage plug (6-14), described active friction plate (6-5), described active friction plate (6-5) is ganoid steel disc, described driven friction (6 ?8) surface working has groove.
2. a kind of liquid according to claim 1 glues 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 drive characteristic test macro, it is characterized in that: the left pump of described duplex pump (Y ?3) is connected through surplus valve (Y ?9) and fuel tank (Y ?14).
4. a kind of liquid according to claim 1 glues drive characteristic test macro, it is characterized in that: described input shaft (6 ?1) end of keeping right has the axle center hole (6 ?16) communicated with its working oil import.
5. a kind of liquid according to claim 1 glues drive characteristic test macro, it is characterized in that: (6 ?8) are provided with micro pressure sensor and temperature sensor to described driven friction, and described pressure transducer and temperature sensor are all according to circumference and radial arrangement.
6. a kind of liquid according to claim 1 glues drive characteristic test macro, it is characterized in that: also comprise flow sensor and displacement transducer, described flow sensor exports with working oil, and (6 ?6) is connected, and institute's displacement sensors is arranged in driven friction (6 ?8).
7. a kind of liquid according to claim 6 glues drive characteristic test macro, it is characterized in that: also comprise data acquisition processing system, the computing machine comprising data collecting card and be attached thereto, described data collecting card is connected with flow sensor with pressure transducer, temperature sensor, displacement transducer, torque sensor (4).
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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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| CN201210373112.2A CN102879177B (en) | 2012-09-29 | 2012-09-29 | A kind of liquid glues drive characteristic test macro |
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| CN102879177B true CN102879177B (en) | 2016-04-06 |
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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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| 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 |
| 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 |
| CN107747933B (en) * | 2017-08-18 | 2019-11-05 | 江苏大学 | A kind of method of sensor real time monitoring antithesis piece deformation |
| 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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