阅读说明：本技术 一种车用湿式双离合器自动变速器试验台架系统 (A kind of vehicle wet double clutch automatic transmission test bench frame system ) 是由 方宏胜 秦大同 胡建军 吴邦治 于 2019-07-18 设计创作，主要内容包括：本发明属于湿式离合器温度检测实验领域,涉及一种车用湿式双离合器自动变速器试验台架系统,该试验台架系统采用三相异步交流电机作为驱动电机,磁粉制动器作为负载端,被试变速器的输入和输出端均连接有转矩转速传感器,动力通过空心输入轴连接到被试变速器的湿式离合器输入毂上,空心输入轴上套有集流环,其将布置在离合器摩擦钢片外花键孔里的K型热电偶采集的温度信号沿离合器齿毂盘及加工孔传输到QuantumX数据采集系统,被试变速器输出端连接有惯性飞轮组。与现有车用湿式双离合器自动变速器离合器温度试验台架系统相比,本发明可以完全模拟湿式离合器在所装配的湿式双离合器自动变速器箱体内部的实际运行工况,且具有成本低,结构简单等优点。(The invention belongs to wet clutch temperature detection experimental fields, it is related to a kind of vehicle wet double clutch automatic transmission test bench frame system, the test bench system is using three-phase asynchronous Ac motor as driving motor, magnetic powder brake is as load end, the input and output side of subject speed changer is respectively connected with torque rotary speed sensor, power is inputted on hub by the wet clutch that hollow input shaft is connected to subject speed changer, collecting ring is cased on hollow input shaft, the temperature signal of the K-type thermocouple being arranged in clutch friction steel disc external splines hole acquisition is transferred to QuantumX data collection system along clutch teeth hub and processing hole by it, subject transmission output is connected with inertial flywheel group.Compared with existing vehicle wet double clutch automatic transmission clutch humid test platform system, the present invention can simulate wet clutch in the actual operating mode of the wet-type double-clutch automatic speed-change device box house assembled completely, and there is at low cost, advantages of simple structure and simple.)

1. a kind of vehicle wet double clutch automatic transmission test bench frame system, it is characterised in that:

Including driving motor, the first torque rotary speed sensor, hollow input shaft, wet-type double-clutch automatic speed-change device mounting rack, Transition plates, thermocouple temperature measurement line, double clutch assembly, wet-type double-clutch automatic speed-change device cabinet, restructuring output shaft, bearing Seat, the second torque rotary speed sensor, inertial flywheel group, brake, brake mount, cutting oil constant temperature system, tension control Device processed, data collection system, frequency converter, signal conditioning circuit, controller, converter, main control computer；

The driving motor is connected with the first torque rotary speed sensor；One end of hollow input shaft connects the first torque rotary speed sensing Device, the other end are connected with clutch input hub, and hollow input shaft is supported on wet-type double-clutch automatic speed-change device mounting rack；Quilt Examination wet-type double-clutch automatic speed-change device cabinet is mounted in transition plates, and transition plates is mounted on wet-type double-clutch automatic speed-change device On mounting rack；The restructuring output intracorporal main reducing gear driven gear of axis connection wet-type double-clutch automatic speed-change device case, passes through axis Seat supports are held, and are connected with the second torque rotary speed sensor；Second torque rotary speed sensor one end is connected with inertial flywheel group； Brake projecting shaft is connected with inertial flywheel group；

The fuel outlet of the cutting oil constant temperature system oil inlet connection wet-type double-clutch automatic speed-change device cabinet, cooling profit Lubricating oil constant temperature system oil outlet connects the oil inlet on wet-type double-clutch automatic speed-change device cabinet, double-clutch automatic gearbox The temperature sensor signal access cutting oil constant temperature system arranged on bottom of box oil sump carries out temperature monitoring；

The second of first torque rotary speed sensor of the input terminal of the wet-type double-clutch automatic speed-change device cabinet and output end The temperature signal of the collected torque of torque rotary speed sensor, tach signal and the acquisition of thermocouple temperature measurement line is acquired by data System is sent to controller；Fuel injection pressure signal, the shift signal of the double clutch of wet-type double-clutch automatic speed-change device box house And two jackshaft tach signals are sent to controller by signal conditioning circuit；The thermocouple temperature measurement line is arranged in double clutches In device assembly；

The main control computer is sent by controller and is instructed, and signal is sent to frequency converter by converter conversion to control driving Motor speed；By adjusting the size of current of tension controller come the torque of control brake；Main control computer passes through controller Instruction is sent, signal is converted through signal conditioning circuit, to control transmission gear and clutch combination oil pressure.

2. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: institute Driving motor is stated to be connected by the first Quincunx elastic coupler with the first torque rotary speed sensor.

3. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: institute It states hollow input shaft and is connected by internal spline with the external splines that clutch inputs hub.

4. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: institute Hollow input shaft is stated to be supported on wet-type double-clutch automatic speed-change device mounting rack by deep groove ball bearing.

5. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: institute It states torque rotary speed sensor and is connected with inertial flywheel group by the second Quincunx elastic coupler.

6. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: institute It states brake projecting shaft and is connect with inertial flywheel group using third Quincunx elastic coupler.

7. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: double The hole of different depth is machined with to arrange thermocouple temperature measurement line hot end, from clutch on friction steel disc spline in clutch assembly Draw thermocouple temperature measurement line in oil outlet position；Inclined hole is machined on clutch teeth hub cap to draw thermocouple temperature measurement line；From The guiding axis axial centerline of clutch assembly drills, to draw inside thermocouple temperature measurement line to hollow input shaft.

8. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: heat Galvanic couple thermometric line hot end is bonded in the hole opened of friction steel disc using high-temp glue, and using high temperature glue sticking thermocouple temperature measurement line and Clutch teeth hub, and oil leak is prevented using sealant blocking in guiding axis outlet.

9. vehicle wet double clutch automatic transmission test bench frame system as described in claim 1, it is characterised in that: also Including afflux rotor and collecting ring stator, thermometric line of the thermocouple temperature measurement line close to hot end part is connected to afflux rotor, Thermometric line close to thermocouple temperature measurement line cold end part is connected to collecting ring stator.

Technical field

The invention belongs to wet clutch temperature detection experimental fields, are related to a kind of vehicle wet double clutch fluid drive Device test bench system.

Background technique

As automatic transmission is in the universal of automobile market, double-clutch automatic gearbox (Dual Clutch Transmission, DCT) with its shift quality is good, transmission efficiency is high etc., advantages obtain the favor of numerous vehicles enterprises.Wherein, wet type Double-clutch automatic gearbox is widely used on automobile because of many advantages such as the strong, long service life of bearing capacity.And wet type Clutch often occurs as one of the core component in wet-type double-clutch automatic speed-change device and integrated transmission system because of design Improper or improper use causes the problems such as clutch overheat ablation, it is therefore desirable to carry out experimental study to its engagement characteristics, especially It is probing into for temperature rise and the heat convection rule to it in the actual motion of double-clutch automatic gearbox box house.

To probe into temperature rise and convection current of the wet clutch in the actual motion of double-clutch automatic gearbox box house Heat exchange rule, and the calibration etc. of wet clutch temperature model parameters is carried out, need to design a kind of wet clutch in reality The double-clutch automatic gearbox box house of assembly carries out the test bench system of transient temperature measuring, by adjusting input terminal Revolving speed, output end flywheel group inertia, load, clutch engagement oil, cooling and lubricating oil stream amount, gear are to realize to wet type clutch The monitoring and test of temperature rise and frictional behavior of the device under different operating conditions.

Summary of the invention

In view of this, the purpose of the present invention is to provide a kind of vehicle wet double clutch automatic transmission test bench frame systems System can be accurate, real for the shortcoming in the clutch temp measuring technique of existing vehicle wet double clutch speed changer When temperature changing regularity of gaging clutch when being engaged under different operating conditions, provide verifying ginseng for the design and control of clutch Number.

In order to achieve the above objectives, the invention provides the following technical scheme:

A kind of vehicle wet double clutch automatic transmission test bench frame system, including driving motor, the first torque rotary speed Sensor, hollow input shaft, wet-type double-clutch automatic speed-change device mounting rack, transition plates, thermocouple temperature measurement line, double clutch are total At, wet-type double-clutch automatic speed-change device cabinet, restructuring output shaft, bearing block, the second torque rotary speed sensor, inertial flywheel Group, brake, brake mount, cutting oil constant temperature system, tension controller, data collection system, frequency converter, signal tune Manage circuit, controller, converter, main control computer；The driving motor is connected with the first torque rotary speed sensor；Hollow input One end of axis connects the first torque rotary speed sensor, and the other end is connected with clutch input hub, and hollow input shaft is supported on wet type On double-clutch automatic gearbox mounting rack；Subject wet-type double-clutch automatic speed-change device cabinet is mounted in transition plates, transition Plate is mounted on wet-type double-clutch automatic speed-change device mounting rack；Restructuring output axis connection wet-type double-clutch automatic speed-change device case Intracorporal main reducing gear driven gear is connected by bearing seat supports, and with the second torque rotary speed sensor；Second torque turns Fast sensor one end is connected with inertial flywheel group；Brake projecting shaft is connected with inertial flywheel group；The cutting oil is permanent The fuel outlet of warm system oil inlet connection wet-type double-clutch automatic speed-change device cabinet, cutting oil constant temperature system oil outlet connect The oil inlet on wet-type double-clutch automatic speed-change device cabinet is connect, is arranged on double-clutch automatic gearbox bottom of box oil sump Temperature sensor signal access cutting oil constant temperature system carry out temperature monitoring；The wet-type double-clutch automatic speed-change device The collected torque of the second torque rotary speed sensor of the first torque rotary speed sensor and output end of the input terminal of cabinet, revolving speed Signal and the temperature signal of thermocouple temperature measurement line acquisition are sent to controller by data collection system；Wet-type dual-clutch is certainly Fuel injection pressure signal, shift signal and the two jackshaft tach signals of double clutch inside dynamic mission case pass through signal condition Circuit is sent to controller；The thermocouple temperature measurement line is arranged in double clutch assembly；The main control computer passes through control Device sends instruction, and signal is sent to frequency converter by converter conversion to control driving motor revolving speed；By adjusting tension force The size of current of device carrys out the torque of control brake；Main control computer is sent by controller and is instructed, and signal is through signal condition electricity Road conversion, to control transmission gear and clutch combination oil pressure.

Optionally, the driving motor is connected by the first Quincunx elastic coupler with the first torque rotary speed sensor.

Optionally, the hollow input shaft is connected by internal spline with the external splines that clutch inputs hub.

Optionally, the hollow input shaft is supported on wet-type double-clutch automatic speed-change device mounting rack by deep groove ball bearing On.

Optionally, the torque rotary speed sensor is connected with inertial flywheel group by the second Quincunx elastic coupler.

Optionally, the brake projecting shaft is connect with inertial flywheel group using third Quincunx elastic coupler.

Optionally, the hole of different depth is machined on the friction steel disc spline in double clutch assembly to arrange that thermocouple is surveyed Thermocouple temperature measurement line is drawn from clutch oil outlet position in warm line hot end；Inclined hole is machined on clutch teeth hub cap to draw Thermocouple temperature measurement line；It drills in the guiding axis axial centerline of clutch assembly, to draw thermocouple temperature measurement line to hollow defeated Enter inside axis.

Optionally, thermocouple temperature measurement line hot end is bonded in the hole that friction steel disc is opened using high-temp glue, and uses high-temp glue It is bonded thermocouple temperature measurement line and clutch teeth hub, and prevents oil leak using sealant blocking in guiding axis outlet.

It optionally, further include afflux rotor and collecting ring stator, thermometric line of the thermocouple temperature measurement line close to hot end part It is connected to afflux rotor, the thermometric line close to thermocouple temperature measurement line cold end part is connected to collecting ring stator.

The beneficial effects of the present invention are:

1. the present invention can reflect wet clutch in the reality of wet-type double-clutch automatic speed-change device box house completely Temperature variations under operating condition, and cabinet and tooling without individually processing wet clutch.

2. structure of the invention is compact, easy to implement, the different clutching operation of wet clutch can be simulated, it can be effectively Real-time measurement is carried out to the wet clutch temperature inside vehicle wet double clutch automatic transmission, can be wet clutch Design, parameter calibration provides test data reference in temperature rise control and temperature model.

Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and It obtains.

Detailed description of the invention

To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent The detailed description of choosing, in which:

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is TT&C system schematic diagram of the invention；

Fig. 3 is the schematic diagram of thermocouple temperature measurement line arrangement in the present invention；

Fig. 4 is the schematic diagram of friction steel disc position of opening；

Fig. 5 is the schematic diagram that output shaft is restructured in the present invention.

Specific embodiment

Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase Mutually combination.

Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing It is understood that.

The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear" To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.

Fig. 1-Fig. 5 is please referred to, the element numbers in attached drawing respectively indicate: 1-driving motor, the 2-the first quincunx elasticity Shaft coupling, the 3-the first torque rotary speed sensor, 4-hollow input shafts, 5-deep groove ball bearings, 6-bearing (ball) covers, 7-snap rings, 8-collecting rings, 9-K-type thermocouple temperature measurement lines, 10-wet-type double-clutch automatic speed-change device mounting racks, 11-transition platess, 12- Double clutch assembly, 13-wet-type double-clutch automatic speed-change device cabinets, 14-restructuring output shafts, 15-bearing blocks, 16-the Two torque rotary speed sensors, the 17-the second Quincunx elastic coupler, 18-inertial flywheel groups, 19-thirds are quincunx, and elasticity joins Axis device, 20-magnetic powder brakes, 21-magnetic powder brake pedestals, 22-inertial flywheel group pedestals, 23-torque rotary speed sensors And bearing block base, 24-wet-type double-clutch automatic speed-change device mounting rack pedestals, 25-torque rotary speed sensor pedestals, 26- Collecting ring stator, 27-afflux rotors, 28-driving motor pedestals, 29-cast iron platforms, 30-cutting oil constant temperature systems System, 31-wet-type double-clutch automatic speed-change device communication interfaces, 32-tension controllers, 33-QuantumX data acquisition system System, 34-frequency converters, 35-signal conditioning circuits, 36-AutoBox controller prototypes, 37-RS232/485 converters, 38- Main control computer；39-clutches 1,40-clutches 2,41-clutch, 1 piston, 42-clutch, 2 piston, 43-oil pumps drive Moving gear, 44-clutch, 2 return spring, 45-clutch, 1 return spring, 46-seal discs, 47-guiding axis, 48-clutches Device inputs hub, 49-clutch, 1 tooth hub；50-clutches 1 friction steel disc, 51-clutch, 1 oil outlet, 52-friction steel discs Outer diameter tapping, 53-friction steel disc central diameter tappings, 54-friction steel disc internal diameter tappings, 55-friction steel disc splines, 56-restructuring output shaft welded flanges, 57-bolts hole, the 58-the first cone bearing, the 59-the second cone bearing, the 60-the first smart car Region, the 61-the second smart car region, 62-third smart car regions.

Thermocouple temperature measurement line in the present invention uses K-type thermocouple temperature measurement line, and data collection system uses QuantumX data collection system, controller use AutoBox controller prototype, converter is converted using RS232/485 Device, brake use magnetic powder brake.Following embodiment is all made of subordinate concept and is described.

As shown in Figure 1, the present invention relates to a kind of vehicle wet double clutch automatic transmission test bench frame system, driving electricity Machine 1 is connected by the first Quincunx elastic coupler 2 with the first torque rotary speed sensor 3；Hollow 4 left side of input shaft passes through flange The first torque rotary speed sensor 3 is connected, the right inputs hub external splines with clutch by internal spline and is connected, and hollow input shaft 4 is logical Deep groove ball bearing 5 is crossed to be supported on wet-type double-clutch automatic speed-change device mounting rack 10；It is tested wet-type double-clutch automatic speed-change Device cabinet 13 is mounted in transition plates 11, and transition plates 11 is mounted on wet-type double-clutch automatic speed-change device mounting rack 10；Restructuring Output shaft 14 passes through bearing block by the intracorporal main reducing gear driven gear of flanged joint wet-type double-clutch automatic speed-change device case 15 supports, and be connected by flange with the second torque rotary speed sensor 16；Second torque rotary speed sensor, 16 left end and inertia Flywheel group 18 is connected by the second Quincunx elastic coupler 17；The projecting shaft and inertial flywheel group 18 of magnetic powder brake 20 are left End is connected using third Quincunx elastic coupler 19.

As shown in Fig. 2, in the present invention wet-type double-clutch automatic speed-change device cabinet 13 input terminal torque rotary speed sensor 3 With the collected torque of output end torque rotary speed sensor 16, tach signal and the collected temperature of K-type thermocouple temperature measurement line 9 Signal is sent to AutoBox controller prototype 36 by QuantumX data collection system 33；Wet-type double-clutch automatic speed-change Clutch 1,2 fuel injection pressure signals, shift signal and two jackshaft tach signals inside device cabinet 13 pass through signal conditioning circuit 35 are sent to AutoBox controller prototype 36, are read by main control computer 38 by ControlDesk software；Main control computer 38 send instruction by AutoBox controller prototype 36, and signal is sent to frequency converter 34 by the conversion of RS232/485 converter 37 To control driving motor 1；The torque of magnetic powder brake 20 is controlled by adjusting the size of current of tension controller 32；Master control meter Calculation machine 38 sends instruction by AutoBox controller prototype 36, and signal converts through signal conditioning circuit 35, be sent to wet type it is double from The communication interface 31 of clutch automatic transmission, to control transmission gear and clutch 1,2 engagement oils；Cutting oil constant temperature 30 oil inlet of system connects the fuel outlet of wet-type double-clutch automatic speed-change device cabinet 13, and cutting oil constant temperature system 30 is fuel-displaced Oil inlet on mouth connection wet-type double-clutch automatic speed-change device cabinet 13,13 bottom oil bottom of double-clutch automatic gearbox cabinet The temperature sensor signal access cutting oil constant temperature system 30 arranged on shell carries out temperature monitoring.

As shown in figure 3, inclined hole is provided with using electrical discharge machining on clutch teeth hub 49, to draw the survey of K-type thermocouple Warm line 9；It drills at 47 axial centerline of guiding axis of clutch assembly, to draw K-type thermocouple temperature measurement line 9 to hollow defeated Enter inside axis 4；Meanwhile because wet-type double-clutch automatic speed-change device is commercialization assembly component, clutch teeth hub 49 and sealing Between disk 46 there are gap it is very small, therefore clutch teeth hub 49 is bonded in using high-temp glue when drawing thermometric line 9 Wall surface on, the thermometric line that rotates touches static seal disc 46 when preventing test；Guiding axis is being blocked using sealant When 47 centre bore, thermometric line is straightened in Ying Jinliang, with prevent thermometric line inside clutch assembly it is too long and cause winding and it is other Components contact.

As shown in figure 4, being machined with different depth on spline 55 using electrical discharge machining since steel plate thickness is relatively thin K-type thermocouple temperature measurement line hot end solder joint it is hole arranged, to probe into wet clutch radial temperature profile situation.

As shown in figure 5, the restructuring output shaft of wet-type double-clutch automatic speed-change device is illustrated, restructuring output shaft 14 passes through wet type First cone bearing 58 of double-clutch automatic gearbox box house and the second cone bearing 59 support, and are welded with flange 56 on axis, Bolt hole 57 is provided on flange to assemble with the intracorporal main reducing gear driven gear of wet-type double-clutch automatic speed-change device case； Finishing processing at one smart car region 60, to be assembled with the bearing inside bearing block 15, in the second smart car region 61 and third smart car Finishing processing at region 62, to cooperate with the oil sealing on cabinet.

When test, in order to simulate the different clutching operation of wet clutch, hair is simulated by control 1 revolving speed of driving motor The output revolving speed of motivation simulates real vehicle payload size by control 20 load torque of magnetic powder brake, flies by adjusting inertia 18 inertia of wheel group simulates real vehicle inertia size, by cutting oil constant temperature system 30 by double-clutch automatic gearbox cabinet Cooling and lubricating oil temperature in 13 is controlled in setting value, different initial oil temperature when being engaged with simulated clutch；Pass through main control ControlDesk software on computer 38 sets gear, given clutch engagement oil, control working connection pressure-control valve Clutch cooling flow is given with the cooling control valve of clutch；Pass through the turning acquisition of QuantumX data collection system 33 Square, revolving speed and temperature data are saved in main control computer 38, probe into the temperature change rule of wet clutch under different clutching operations Rule.

The temperature measurement schemes of the above-mentioned clutch 1 only for wet-type double-clutch automatic speed-change device are unfolded, for wet type The temperature of clutch 2 measures, and humid test scheme is similar.The test bench system can by replacement installs rebound, The wet-type dual-clutch that output end components mounting base and the hollow input shaft spline size of change can be directed to different model is automatic Speed changer is tested to do the measurement of wet clutch temperature.The test bench system is in addition to carrying out the measurement test of wet clutch temperature In addition, clutch abrasion test, the test of synchronizer engagement characteristics can also be carried out.

Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention Scope of the claims in.