CN107328572A - A kind of multifunctional high-power automatic transmission overall test device - Google Patents
A kind of multifunctional high-power automatic transmission overall test device Download PDFInfo
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- CN107328572A CN107328572A CN201710530061.2A CN201710530061A CN107328572A CN 107328572 A CN107328572 A CN 107328572A CN 201710530061 A CN201710530061 A CN 201710530061A CN 107328572 A CN107328572 A CN 107328572A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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Abstract
The invention discloses a kind of multifunctional high-power automatic transmission overall test device, each operating condition of speed changer is simulated using frequency-conversion alternating current motor, the power for simulating Diesel engine with variable frequency drive motors is inputted, power loads absorption and loaded with variable-frequency motor analog output, pass through different connected modes, it can be achieved the static and dynamic test of the different types of high-power Hydrodynamic transmission overall performance of the front and rear output of coaxial-type, non-coaxial, band, system simultaneously possesses and counter drags function；Input and output motor, the rotating speed of achievable input and output motor, speed discrepancy, moment of torsion, the accurate control of difference in torque are driven using vector-control frequency converter.One input motor and two loading motors use common DC bus electric closure drive system, and it is equipped with dump energy feedback unit, the unnecessary electric energy of the generation of loading motor is fed back to workshop power network by electric feedback unit, and feedback electric energy on the power network in workshop without influence.
Description
Technical field
The present invention relates to Hydrodynamic transmission test system technical field, and in particular to a kind of multifunctional high-power speed changer is whole
Machine experimental rig.
Background technology
Existing high-power Hydrodynamic transmission pilot system, which can test loading plus switching tooling after coaxial-type, can test non-same
The experiment loaded after shaft type, but coaxial-type, non-coaxial, front and rear loading and multi output can not be tested on a testing stand simultaneously
Static state, the dynamic test of the overall performance of Hydrodynamic transmission, and loading form is hydraulic dynamometer loading, energy consumption is big, it is impossible to mould
Intend actual condition simulation electrical inertia loading, measuring accuracy is low and content of the test is not comprehensive.
The content of the invention
In order to solve technical problem present in existing testing stand, the present invention is intended to provide a kind of multifunctional high-power is automatic
Hydrodynamic transmission overall test device, overcome insufficiency present in typical high power speed changer complete machine test stand, high energy consumption,
Measuring accuracy is low, without road mould function the problems such as.
The present invention is to be achieved through the following technical solutions：
A kind of multifunctional high-power automatic transmission overall test device, including motor, preceding loading motor and
Loading motor afterwards；
The motor is connected with the first torque sensor；
The preceding loading motor is connected with the first switching gear-box, the second torque sensor, intermediate supports successively；
The rear loading motor is connected with the second switching gear-box, switching support successively, and switching support includes many set supports
Axle；
The rear loading motor, the second switching gear-box, switching support are independently installed for split.
The motor, preceding loading motor and rear loading motor are connected with vector frequency converter respectively.
The motor, preceding loading motor and the corresponding vector frequency converter of rear loading motor use common DC bus.
The motor, preceding loading motor and the first switching gear-box are integrated on same base.
The preceding loading motor output end is connected with the first switching gear-box by diaphragm coupling, the first switching gear-box
Output end be connected by flange with the second torque sensor.
The rear loading motor includes two motors being serially connected.
The second switching gear-box has two output ends, and each output end matches a torque sensor.
Compared with prior art, experimental rig of the invention can realize coaxial-type, non-coaxial, rear loading and it is front and rear simultaneously
The various experiments of loading, actual condition, the power input of motor simulated engine, loading are simulated using frequency-conversion alternating current motor
The size and simulation electrical inertia of motor simulation load load, can realize road analogy function.Using electric energy feedback power-saving technology, plus
Electric energy is fed back to driver element by carrier unit by dc bus, and external power grid is not returned to, other instruments equipment on power network is not disturbed
Operation, realize energy closed loop, can be applied to the testing stand application of different type Hydrodynamic transmission, and can using the present invention
Solve insufficiency present in typical high power speed changer complete machine test stand, high energy consumption, measuring accuracy it is low, without road mould function
The problems such as, the test accuracy and scope of high-power speed changer overall test are improved, and reduce the experimentation cost of product.
Brief description of the drawings
Fig. 1 is the non-coaxial test system architecture figure with transfer gear function；
Fig. 2 is coaxial-type test system architecture figure；
Fig. 3 is the dual output non-coaxial test system architecture figure with transfer gear function；
Fig. 4~6 are multifunctional high-power automatic transmission overall test apparatus system design drawing；
Fig. 7 and Fig. 8 is the second switching gear case plane figure；
Fig. 9 is switching support assembly figure.
Embodiment
Technical scheme is described further below in conjunction with drawings and Examples, but required protection domain
It is not limited to described.
The present invention is tested for the input power of different model in the properties of 200~450kW Hydrodynamic transmissions, and energy
The Hydrodynamic transmission pattern of experiment has coaxial-type, non-coaxial, loaded afterwards and front and rear while the model of loading, testing stand is using change
Frequency alternating current generator simulate actual condition, motor simulated engine power input, the size of loading motor fictitious load and
Simulate electrical inertia loading.
As shown in figures 4-6, each part of the invention is described as follows：
Driving and preceding loading unit head：Mainly by motor, preceding loading motor, the first switching gear-box, the first moment of torsion
Sensor, the second torque sensor, intermediate supports, mounting seat and protective cover etc. are constituted.Motor, preceding loading motor,
One switching gear-box is arranged on same big casting base, compact conformation, can better ensure that the reliability, steady of mechanical system
It is qualitative；Motor and preceding loading motor use floor installation, and the type of cooling is air-cooled；Motor-shaft extending end is provided with output method
Orchid, is connected between flange and motor shaft using expansion sleeve；Preceding loading motor output shaft is joined with the first switching gear-box by diaphragm
Axle device is connected；The output end of first switching gear-box is directly connected by flange with the second torque sensor；Second torque sensing
Device output end is provided with intermediate supports；Motor is connected by power transmission shaft with test specimen input；Intermediate supports output end and examination
Output end is connected before part；Unit head base is processed using casting；Protective cover is provided with all rotary parts.
The gear-box transmission power of first switching gear-box is 315kw, and coefficient of utilization is 1.2, and projected life is more than 15 years；
Gear-box speed is transferred than being 1 for output end before test specimen, meets the requirement of loading motor radial arrangement；Gear-box uses cast case
Body；Gear teeth face cure process, roll flute, 5 class precisions, dynamic balance accuracy Q=2.5, Selection of Bearings SKF bearings, design uses the longevity
Order as 15 years, carry lubricating oil forced cooling device.
As shown in Figure 7 and Figure 8, the input power of the second switching gear-box：450kw, 0~3600r/min of input speed, tool
There are two output ends, output speed is 0~3600r/min (two-way), coefficient of utilization 1.5, maximum input torque：5000Nm/
430rpm, two output gearratios are 1:1, using helical gear, flank of tooth cure process, roll flute presses DIN3990 standards, gear essence
Degree：5 grades, unlimited growth, installation approach：It is horizontal to install, vertical direction parallel axes, forced feed lubrication, 25 μm of filtering accuracy.The
Two switching gear-boxes and its cooling system can be moved integrally.Gear-box uses casting box.Dynamic balance accuracy Q=2.5, is selected
SKF bearings, design service life is 15 years.Band forced feed lubrication oil cooler, oil temperature is no more than 120 degree, and band oil temperature, which is monitored, to be passed
Sensor.
As shown in figure 9, switching support is mainly made up of casing, locating ring, bearing, method indigo plant, power transmission shaft, end cap etc., casing
Using casting processing；Four positioning holes are machined on casing, 4 sets of support shafts are mounted with, meet respectively coaxial configuration test specimen connection,
The connection of off-axis structural test piece, two kinds of drops are away from structural test piece connection；The side of switching support passes through power transmission shaft and test specimen output end connects
Connect, the other end is directly connected (two torque sensors are separately mounted to two output ends) with torque sensor, then by passing
Moving axis is connected with the second switching gear-box.
After load unit head, rear loading unit head is mainly made up of rear loading motor, shaft coupling, mounting seat etc..Every
Shaft coupling position is covered, protective cover is provided with.Loading motor and the second switching gear-box and switching support use split type peace afterwards
Dress mode, is independently installed on big bottom plate, when changing the second switching gear-box, it is only necessary to directly by the second of different size
Switching gear-box is hung out, and using universal drive shaft connection, reduction pair between the second switching gear-box and rear loading motor
Middle required precision, can reduce workload when transfer box is changed with size.
Test specimen mounting bracket, mainly by product (Hydrodynamic transmission i.e. to be measured) front end support device, product front end branch
Support arrangement base, product end support device composition, product front support and base are processed using casting, in front end support device
Bearing block, splined shaft, spline housing and flange etc. are designed with, the input shaft end of bearing block is mounted directly the first torque sensor, the
The input of one torque sensor has counter flange, is connected by power transmission shaft with input motor.
Zero-speed operating mode brake apparatus, i.e., a set of brake gear, for " zero-speed operating mode ", " starting experiment ", " neutral gear output torsion
Square is tested " etc. need in the experiment of braking output shaft, using pneumatic bolt device, can by remote control brake gear,
Braking is with unclamping, and compatibility test project is automatically the need for test.
Voltage source frequency converter system：The voltage source frequency converter of each testing stand can four quadrant running, including:Power module
(containing 1 BLM rectification units, 1 motor module, 4 motor side inverters), power module and four motor side inverter modules
Constitute common DC bus energy feedback electric closure scheme.The distinguishing feature of system above is：During as testing gear case, driving electricity
Machine inverter cabinet and load motor inverter cabinet can directly form electric closure system in dc bus side, energy exchange be realized, from energy
The angle of amount, the external world only needs to due to mechanical friction and electronic component loss become in more than supply circulating this part of heat
Power can just operate system, so that optimal realization：The minimum harmonic wave of feedback system does not interfere with the electricity of power network upper end yet
Net quality, farthest utilizes energy.
Stand independence real-time controller：Controller is a to be exclusively used in engine, gearbox, power assembly, power motor
The real-time controller tested Deng product on dynamometer rack, it have it is highly integrated with dynamometer machine frequency convertor system, can be with
Obtain motor control performance more rapidly, more reliable；More frequency converter modules and signal are extended by integrated express network
Module, is that spinning transmission (many measurement of power machine frames) provides more flexible solution；Abundant communication interface is provided：TCP/IP、
Ethernet, PROFIBUS, CAN, are suitable for a variety of host computer operation sequences；Held with control E-Gas, throttle
The external interface of row device；Independent real time operating system is run in controller, it is ensured that the high dynamic control response speed of system, controlled
1~2ms of circulation time accuracy guarantee processed.
Vehicle working condition is simulated, expansible increase following functions in stand real-time controller：Vehicle working condition analog functuion, vehicle
Road resistance analog functuion, vehicle inertia simulation function, vehicle climb and fall Work condition analogue function；Vehicle road analogy function is used for
Road resistance, grade resistance and the vehicle inertia simulation that vehicle is realized on stand are realized, vehicle road analogy is to be based on vehicle
Kinetic model, can accurately simulate windage when vehicle is travelled on road, rolling resistance, transmission resistance, frictional resistance, slope
Spend resistance, inertia resistance etc..
Automation control system：System hardware is by automation control system by switch board, manually operating desk (computer desk), behaviour
Make control panel and operation software composition.Single channel sample frequency >=500Hz when all passages of control system all work, can be with
Sample frequency is arbitrarily set in below 500HZ, upper software is determined to data record storage speed according to sample frequency, is gathered
Data support the form such as MLAB, EXCEL, Word, TXT to store automatically, online and offline data analysis, test report is given birth to automatically
Into；Automatic data logging kit can be set as recording some special events, including start to test, terminate experiment, operating personnel people
To stop experiment, jerk etc.；Software can suspend experiment, start new experiment and then continue to try on the testpieces before one
Test.To track service condition, trystate, the cycle-index of each testpieces, it is necessary to possess interpolation data.It is outside the plan when occurring
When shutdown, emergency cutoff, the data of first 900 seconds of shutdown can be stored for analysis.Input is measured respectively with torque sensor
Moment of torsion and rotating speed, output end moment of torsion and rotating speed；Measured respectively with temperature sensor oil sump temperature, torque-converters import and export temperature,
Cooler is imported and exported, and torque-converters rate of discharge, cooler cooling water outlet and inlet flow are measured with flow sensor；Use pressure sensing
Device measures torque-converters outlet oil pressure, main oil pressure, lubrication pressure, each gear clutch pressure, lockup clutch oil pressure, Pi Tuo respectively
Oil pressure；Automatic transmission pump wheel speed, secondary speed, output rotating speed, food tray temperature, decelerator temperature are received by CAN
Degree (during band decelerator), shift signal etc.；Input moment of torsion, rotating speed, output end moment of torsion, rotating speed are sent by CAN.
Testing stand software：Testing stand software is that the operation interface automation mechanized operation of a set of windows platform based on PC is soft
Part, supports WINDOWS2000/XP/Windows7 operating systems, the interface with transmission oil cooling control system；Number
It is 500Hz according to record period；The grade of alarm is can customize, amplitude limit editable of alarming；With open automatic operating editor's work(
Energy；Open data record sets function, it is settable automatically save, preserve manually, a variety of data storages such as failure triggering is preserved
List；With open equipment Management Function, integrated different system equipment can be extended by upgrading；Correlation properties can be generated bent
Line (torque-converters " zero-speed " performance curve, torque-converters primary characteristic curve, pump impeller characteristic curve).Software can implement abnormal conditions
Alarm, and prime mover is cut off, abnormal conditions refer to all kinds of motors are out of hand, rotating speed of transmission shaft squall is high, torque transmission shaft is mutated etc.；
Test data can be uploaded to demander's server as PDM data managements, and test data should be able to be shared with demander's Intranet；Leave PLM
The bar shaped barcode scanning interface of data-interface and standard；Software systems have the interface of friendly secondary development.
Power adjustable radiator：Power adjustable radiator provides outer circulation lubricating oil, the temperature of lubricating oil for tested gearbox
Degree is by column tube oil cooler cooling.The cooling water flow of oil cooler can remote adjustment, so as to adjust the cooling of cooler
Power, the flow of cooler entery and delivery port, temperature, pressure measured value can telecommunication to master control system.
Data acquisition device：Data collecting system is 48 passages, tunnels analogy amount data acquisition (the road voltage+8 of 32 road electric current+8
Road temperature), the parameter such as energy synchronous acquisition and preservation voltage, electric current, temperature, rotating speed, moment of torsion, CAN signal (includes 2 CAN
Node), on-off model (include 16 tunnels), sound and light alarm can be achieved.
Stand vibration monitor system：The system has a set of vibration monitoring device, on line real-time monitoring bench run
During vibration severity, so as to which effective stop-working protection is carried out to stand and by test specimen in time.Bearing block, transition bearing block and
In measured piece mounting bracket.
As shown in figure 1, for the front and rear output non-coaxial high-power automatic transmission test of band, including the drive being sequentially arranged
Dynamic motor, power transmission shaft, the first torque sensor, preceding loading motor, shaft coupling, the second torque sensor, the first switching gear-box
With the second switching gear-box, switching support and intermediate supports, rear loading motor and its base, bottom plate and test specimen Auxiliary support group
Into.Loading motor, the second switching gear-box, switching support use split type mounting means afterwards, are independently installed on bottom plate,
When changing the second switching gear-box, it is only necessary to directly hang out the second switching gear-box, and the second switching gear-box is with after
Connected between loading motor using universal drive shaft, reduction accuracy of alignment requirement, work when transfer box is changed can be reduced with size
Measure.Loading end is provided with two loading motors, two sets of loading motor tandem drives, when test small-power production transmissions afterwards
When, it can obtain higher moment of torsion control precision only using a motor.Output non-coaxial is high-power before and after calibration tape
During automatic gear-box, the defeated end of gearbox is connected by test specimen aiding support and shaft coupling with motor, and preceding output end passes through
One switching gear-box and shaft coupling are connected with preceding loading motor, and rear output end transfers gear-box with after by support and second of transferring
Loading motor is connected, and speed changer to be tested is fixed by test specimen Auxiliary support and bottom plate, and speed changer connection completion can test change
The properties and dynamic parameter of fast device complete machine.
As shown in Fig. 2 for coaxial-type high-power automatic transmission test, including be sequentially arranged motor, transmission
Axle, the first torque sensor, the first switching gear-box, switching support, rear loading motor, base, bottom plate and test specimen Auxiliary support
Composition.When testing coaxial-type high-power automatic transmission, transmission input passes through test specimen Auxiliary support and shaft coupling and driving
Motor connection, rear output end is supported by transferring and the second switching gear-box is connected with rear loading motor, and speed changer passes through test specimen
Auxiliary support is fixed with bottom plate, and speed changer connection completes that the properties and dynamic parameter of speed changer complete machine can be tested.
As shown in figure 3, exporting high-power Hydrodynamic transmission test, including the driving electricity being sequentially arranged for band drop square case three
Machine, power transmission shaft, the first torque sensor, the first switching gear-box, switching support, rear loading motor, base, bottom plate and test specimen are auxiliary
Help support.When the three big work(of output of calibration tape drop square case fill Hydrodynamic transmission, transmission input by test specimen Auxiliary support and
Shaft coupling is connected with motor, rear output end is supported by transferring and the second switching gear-box is connected with rear loading motor, is tried
Need to change the second different switching gear-boxes during testing, speed changer is fixed by test specimen Auxiliary support and bottom plate, and speed changer connects
The properties and dynamic parameter of speed changer complete machine can be tested by connecing completion.
As shown in figures 4-6, it is multifunctional high-power automatic transmission overall test apparatus system design drawing, including
Motor, first switching gear-box, second switching gear-box, power transmission shaft, the first torque sensor, the second torque sensor,
Support, intermediate supports, preceding loading motor, rear loading motor, base, bottom plate and the test specimen Auxiliary support of transferring (are drawn in Fig. 4 and Fig. 6
Go out in protective cover, Fig. 5 and be not drawn into).Transmission input is connected by test specimen Auxiliary support and shaft coupling with motor, is led to
The interface mode connection of adjustment first gear transfer box and second gear transfer box is crossed, output end passes through support and the loading electricity of transferring
Machine is connected, and needs to change the second different switching gear-boxes in process of the test, speed changer is fixed by test specimen Auxiliary support and bottom plate,
Speed changer connection completion can export non-coaxial, coaxial-type, with each of the drop output speed changer complete machine of square case three before and after calibration tape
Item performance and dynamic parameter.
The second different switching gear-boxes need to be only changed in above-described embodiment, you can realize before coaxial-type, non-coaxial, band
The test of the different types of high-power Hydrodynamic transmission overall performance exported afterwards.
Above-described embodiment is only several preferred embodiments of the present invention, and the protection domain being not intended to limit the present invention is all
Made deformation, modification equivalent substitution etc., all should fall into protection scope of the present invention on the basis of technical scheme.
Claims (7)
1. a kind of multifunctional high-power automatic transmission overall test device, it is characterised in that：Including motor, it is preceding plus
Carry motor and rear loading motor；
The motor is connected with the first torque sensor；
The preceding loading motor is connected with the first switching gear-box, the second torque sensor, intermediate supports successively；
The rear loading motor is connected with the second switching gear-box, switching support successively, and switching support includes many set support shafts；
The rear loading motor, the second switching gear-box, switching support are independently installed for split.
2. a kind of multifunctional high-power automatic transmission overall test device according to claim 1, its feature exists
In：The motor, preceding loading motor and rear loading motor are connected with vector frequency converter respectively.
3. a kind of multifunctional high-power automatic transmission overall test device according to claim 2, its feature exists
In：The motor, preceding loading motor and the corresponding vector frequency converter of rear loading motor use common DC bus.
4. a kind of multifunctional high-power automatic transmission overall test device according to claim 1, its feature exists
In：The motor, preceding loading motor and the first switching gear-box are integrated on same base.
5. a kind of multifunctional high-power automatic transmission overall test device according to claim 1, its feature exists
In：The preceding loading motor output end with first switching gear-box be connected by diaphragm coupling, first switching gear-box it is defeated
Go out end to be connected with the second torque sensor by flange.
6. a kind of multifunctional high-power automatic transmission overall test device according to claim 1, its feature exists
In：The rear loading motor includes two motors being serially connected.
7. a kind of multifunctional high-power automatic transmission overall test device according to claim 1, its feature exists
In：The second switching gear-box has two output ends, and each output end matches a torque sensor.
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Cited By (6)
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| CN108344571A (en) * | 2018-03-21 | 2018-07-31 | 苏州华业检测技术服务有限公司 | A kind of test-bed for two-output impulse generator hybrid gearbox |
| CN110901951A (en) * | 2019-11-15 | 2020-03-24 | 哈尔滨飞机工业集团有限责任公司 | Multifunctional tail rotor test system |
| CN111780971A (en) * | 2020-06-10 | 2020-10-16 | 杭州杰牌传动科技有限公司 | Multi-shaft transmission device fault diagnosis system and method based on rotation speed sensor |
| CN112697458A (en) * | 2020-12-16 | 2021-04-23 | 西安顺通机电应用技术研究所 | Automatic climbing simulation device and method for motorcycle clutch performance test bed |
| CN114813102A (en) * | 2022-05-06 | 2022-07-29 | 中国北方车辆研究所 | Hydraulic retarder test data processing and analyzing method |
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| CN108344571A (en) * | 2018-03-21 | 2018-07-31 | 苏州华业检测技术服务有限公司 | A kind of test-bed for two-output impulse generator hybrid gearbox |
| CN110901951A (en) * | 2019-11-15 | 2020-03-24 | 哈尔滨飞机工业集团有限责任公司 | Multifunctional tail rotor test system |
| CN110901951B (en) * | 2019-11-15 | 2023-01-13 | 哈尔滨飞机工业集团有限责任公司 | Multifunctional tail rotor test system |
| CN111780971A (en) * | 2020-06-10 | 2020-10-16 | 杭州杰牌传动科技有限公司 | Multi-shaft transmission device fault diagnosis system and method based on rotation speed sensor |
| CN111780971B (en) * | 2020-06-10 | 2022-05-27 | 杭州杰牌传动科技有限公司 | Multi-shaft transmission device fault diagnosis system and method based on rotation speed sensor |
| CN112697458A (en) * | 2020-12-16 | 2021-04-23 | 西安顺通机电应用技术研究所 | Automatic climbing simulation device and method for motorcycle clutch performance test bed |
| CN112697458B (en) * | 2020-12-16 | 2023-11-10 | 西安顺通机电应用技术研究所 | Automatic climbing simulation device and method for motorcycle clutch performance test bed |
| CN114813102A (en) * | 2022-05-06 | 2022-07-29 | 中国北方车辆研究所 | Hydraulic retarder test data processing and analyzing method |
| CN116773185A (en) * | 2023-08-17 | 2023-09-19 | 盛瑞传动股份有限公司 | Durability experiment method, device and equipment for hydraulic torque converter and readable storage medium |
| CN116773185B (en) * | 2023-08-17 | 2023-12-05 | 盛瑞传动股份有限公司 | Durability experiment method, device and equipment for hydraulic torque converter and readable storage medium |
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