CN209131969U - Multifunction flexible gearbox test macro - Google Patents
Multifunction flexible gearbox test macro Download PDFInfo
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- CN209131969U CN209131969U CN201821498969.6U CN201821498969U CN209131969U CN 209131969 U CN209131969 U CN 209131969U CN 201821498969 U CN201821498969 U CN 201821498969U CN 209131969 U CN209131969 U CN 209131969U
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Abstract
The utility model discloses a kind of multifunction flexible gearbox test macros, can solve traditional test macro by the way of middle transition gear-box, increase the rotary inertia of drive system, are unfavorable for simulating；And automobile preposition front drive transmission case test macro, which mainly passes through, to be manually adjusted, and adjustment difficulty is big, is extremely difficult to the concentricity of 0.02mm；Load motor can only generally realize that both direction freedom degree adjusts simultaneously, and short transverse is generally adjusted by the way of cushion block, and adjustment is inconvenient；The problem of furthermore efficiency test of preposition front drive transmission case test macro generally without Oil-temperature control, only tests the transmission efficiency under different rotating speeds, and oil temperature has a certain impact to transmission gear transmission efficiency.Including driving motor, loading motor one, loading motor two, preposition front drive transmission case and detection system, driving motor mounting platform is arranged in the driving motor bottom, and the loading motor one is provided with test machine mounting platform with two bottom of loading motor.
Description
Technical field
The utility model relates to gearbox test macros, and in particular to a kind of multifunction flexible gearbox test macro.
Background technique
The preposition front drive transmission case test macro of orthodox car is made of a driving motor and two load motors, when test
Middle transition gear-box or transition synchronous belt is added in the general input shaft using in tested gearbox, to increase tested gearbox
The center of input shaft and output shaft is away from order to use center away from biggish driving motor, by the way of synchronous belt, due to same
The limitation for walking band, typically enters revolving speed no more than 8000rpm；By the way of middle transition gear-box, although may be implemented
The high input speed of 20000rpm, but the rotary inertia of drive system is increased, it is unfavorable for simulated engine or vehicle-mounted motor.
Automobile preposition front drive transmission case test macro, which mainly passes through, simultaneously manually adjusts, and realizes the concentricity of driving shafting；
Adjustment difficulty is big, is generally extremely difficult to the concentricity of 0.02mm, when shafting high speed rotation, vibrate it is larger, to tested gearbox
Bearing of input shaft, the aging effects of driving motor bearing are larger, while influencing the measurement accuracy of input side torque.
And the load motor of automobile preposition front drive transmission case test macro can only generally realize both direction freedom degree tune
Whole, short transverse is generally adjusted by the way of cushion block, and adjustment is inconvenient.
Furthermore the efficiency test of preposition front drive transmission case test macro is generally without Oil-temperature control, and only test turns in difference
Transmission efficiency under speed, but oil temperature has a certain impact to transmission gear transmission efficiency.
Furthermore automobile preposition front drive transmission case test macro generally uses CAN bus or DP bus communication, counted using industry
Calculation machine is equipped with control program in main control computer as master control system.Such mode is difficult to realize high dynamic control, and system is rung
Generally it is not less than 60ms between seasonable.
And it is generally dynamic flat without scene that transmission input shaft system is tested in automobile preposition front drive transmission case test macro
Weighing apparatus, the vibration velocity of shafting is larger, generally more than 3mm/s, this is unfavorable to motor and entire shafting.
Automobile preposition front drive transmission case test macro is when carrying out differential test to tested gearbox simultaneously, generally to drive
Dynamic motor is controlled using revolving speed, by gradually adjusting the torque of two load motors, realizes that tested gearbox two sides are different
Revolving speed is looked into, but such adjusting method, and adjustment is difficult, and adjustment time is long, and unstable, because of the torque control precision of load motor
It generally can only achieve 2%.
Utility model content
The purpose of this utility model is to provide a kind of multifunction flexible gearbox test macros, can solve traditional
Test macro, although the high input speed of 20000rpm may be implemented, increases drive by the way of middle transition gear-box
The rotary inertia of dynamic system, is unfavorable for simulated engine or vehicle-mounted motor；And automobile preposition front drive transmission case test macro master
It will be by manually adjusting, adjustment difficulty is big, is extremely difficult to the concentricity of 0.02mm；Load motor can only generally realize two simultaneously
A direction freedom degree adjustment, short transverse are generally adjusted by the way of cushion block, and adjustment is inconvenient；Furthermore preposition front drive transmission case
The efficiency test of test macro generally without Oil-temperature control, only tests the transmission efficiency under different rotating speeds, but oil temperature is to biography
Moving gear transmission efficiency has a certain impact；Automobile preposition front drive transmission case test macro is carried out to tested gearbox simultaneously
When differential is tested, generally driving motor is controlled using revolving speed, by gradually adjusting the torque of two load motors, is realized tested
The different revolving speed in examination gearbox two sides is looked into, but such adjusting method, and adjustment is difficult, and adjustment time is long, and unstable problem.
The purpose of this utility model can be achieved through the following technical solutions:
Multifunction flexible gearbox test macro, including driving motor, loading motor one, loading motor two, it is preposition before
Gearbox is driven, driving motor mounting platform, the loading motor one and the loading motor two is arranged in the driving motor bottom
Bottom is provided with test machine mounting platform, and the driving motor mounting platform is installed in two test machine mounting platforms
At the top of cast iron platform, the connection between two test machine mounting platforms and the loading motor one, the loading motor two
Place be mounted on left and right adjustment slide plate, and worn on two test machine mounting platform side walls be connected to several height adjustment lead
Draw bar, front and back is mounted in two test machine mounting platform bottom sidewalls and adjusts rocking bar, the loading motor one passes through
High speed flexible sheet shaft coupling one connects torque speed sensor one, and one side of torque speed sensor is provided with bearing block
One, one side of bearing block is equipped with ball-cage constant velocity universal coupling, and one bottom of the bearing block is provided with installation positioning
Tooling two, the torque speed sensor one are also mounted at installation positioning tool two, the ball-cage constant velocity universal coupling connection
Transmission shaft one, the transmission shaft one connect the preposition front drive transmission case, and the preposition front drive transmission case connection is located at the drive
Bearing block two at the top of dynamic motor mounting platform, two side of bearing block is provided with the transmission being connected with the transmission shaft one
Axis three, three side of transmission shaft be provided with installation positioning tool one, the ball-cage constant velocity universal coupling and it is described it is preposition before
The axis for driving gearbox is connected and is connected with the transmission shaft two being located on the driving motor mounting platform, the transmission shaft two
One end connects torque speed sensor two, and the torque speed sensor two connects high speed flexible sheet shaft coupling two, the height
Fast flexible sheet shaft coupling two is connected with the loading motor two.
Preferably, which further includes detection system, and the detection system passes through change
Frequency device rectification unit connects inversion unit one, inversion unit two and inversion unit three, the change
Frequency device inversion unit one connects the inversion unit two and the inversion unit three, the frequency converter simultaneously
Inversion unit one connects the driving motor, and the inversion unit two connects the loading motor one, the frequency converter
Inversion unit three connects the loading motor two, and the driving motor is connected with vibrating sensor one and the high speed elastic membrane
Piece shaft coupling one, the high speed flexible sheet shaft coupling one connect high-speed bearing bearing, the high-speed bearing support connection vibration
Sensor two and the torque speed sensor two, the torque speed sensor two are electrically connected the high speed flexible sheet connection
Axis device two, the high speed flexible sheet shaft coupling two connect transition spline connecting shaft one, and the transition spline connecting shaft one connects
The preposition front drive transmission case, the preposition front drive transmission case connection vibrating sensor three and gearbox air cooling system, transition
Spline connecting shaft two, transition spline connecting shaft three, initial failure early warning system and oil temperature control system for speed changing box, the transition
Spline connecting shaft two connects the ball-cage constant velocity universal coupling, and the ball-cage constant velocity universal coupling passes through the torque revolving speed
Sensor one connects the loading motor one, and the transition spline connecting shaft three connects torque speed sensor three, the torque
Speed probe three connects the loading motor two, the inversion unit one and the inversion unit two, institute
State the common joint test playscript with stage directions volume data acquisition system of three three of inversion unit, testing stand ontology data acquisition system
System connection user data acquisition system and embedded real-time controller, the embedded real-time controller connect computer.
Preferably, the preposition front drive transmission case connects transition spline connecting shaft two, transition spline connecting shaft three, the mistake
It crosses spline connecting shaft two and connects the ball-cage constant velocity universal coupling, the ball-cage constant velocity universal coupling and loading motor connect
It connects.
Preferably, the direction X/Y of the front and back bearings of driving motor is equipped with vibrating sensor one, the X/ of high-speed bearing bearing
Y-direction is equipped with vibrating sensor two.
Preferably, high-speed bearing bearing both ends are respectively arranged two diagonal contact ball bearings, and side uses spring pre-tightening,
It is connected between driving motor and high-speed bearing bearing using high speed flexible sheet shaft coupling one, high-speed bearing supports outlet side and turns round
Square speed probe two is directly connected to, and two outlet side of torque speed sensor passes through two He of high speed flexible sheet shaft coupling of binodal
The input axis connection of transition spline connecting shaft one and preposition front drive transmission case.
Preferably, the baseplane center design of the high-speed bearing bearing has guide-localization slot, and the center of the locating slot is perpendicular
Straight plane is coplanar with its axial line, and the upper and lower surface design of the transition mounting plate of high-speed bearing bearing has symmetrical guide-localization
Slot has positioning and guiding slot by the upper surface design of test specimen mounting tool bottom plate, the central plane of the positioning and guiding slot and erector
It fills coplanar by the pilot hole axes of test specimen in horizontal mounting plate.
Preferably, the height adjustment range of the loading motor one and two mounting base of loading motor is 150mm, adjustment mode
It is adjusted for manual speed reducer and lead screw, the front and back adjusting range of loading motor one and two mounting base of loading motor is 200mm, adjustment
Mode is that manual speed reducer and lead screw adjust, and after being adjusted in place, is locked by bolt, and when adjustment can intuitively be checked by scale
Position and distance are adjusted, loading motor one and the left and right adjusting range of two mounting base of loading motor are 100mm, and adjustment mode is hand
Dynamic speed reducer and lead screw adjustment, and the driving motor and loading motor one, loading motor two be all made of speed closed loop control and
The control mode of torque clipping.
Preferably, at the front and back bearings of driving motor, at the front and back of intermediate propeller shaft and intermediate bearing, intermediate bearing bearing
Two side bearings at, at the front and back bearings of tested motor be provided with three axis vibration sensors.
Preferably, the rotary inertia of the driving motor is no more than 0.1kg.m2, the maximum speed of motor is
20000rpm, and design is thinned using side in driving motor, the side and the output shaft of preposition front drive transmission case are close, and in the side
The heart is away from no more than 135mm.
Preferably, the connecting flange of the high-speed bearing bearing input side, which is put on, is provided with complete dynamic balancing threaded hole.
The utility model has the beneficial effects that the utility model is used for using a high speed low inertia permanent magnet synchronous motor motor
On-board engine or motor are simulated, the rotary inertia of high-speed motor is no more than 0.1kg.m2, the maximum speed of motor reaches
20000rpm, for meet the small center of gearbox away from requirement, high speed low inertia permanent magnet synchronous motor using side be thinned design, should
Side is close with output shaft of gear-box, which can satisfy center away from all vehicles for being not less than 160mm away from 135mm is no more than
With gearbox testing requirement.Using side be thinned design by the way of, not only can satisfy the small center of gearbox away from requirement, simultaneously
The single order that motor can be improved faces rank revolving speed, reaches the revolving speed target of 16000rpm.
The utility model is used to be mounted on together by high-speed driving motor, intermediate high-speed bearing bearing, by test specimen tooling etc.
On one cast iron platform, while supporting, in cast iron platform and motor installation cast iron platform, intermediate high-speed bearing by test specimen tooling etc.
Bottom is machined with guide-localization slot, while the center of each component of strict control is high, be adapted to different centers away from and connection size
Gearbox test, it is convenient that gearbox installs centering, without carrying out any centering adjustment, that is, can guarantee that concentricity is better than
0.01mm；
Two output shafts of tested gearbox are separately connected two load motors, and the output road for simulating gearbox is negative
It carries, for the gearbox test for adapting to different size, output end dynamometer machine is required to realize the position of X/Y/Z three degree of freedom
Adjustment, can monitor the installation accuracy of alignment of tested gearbox automatically, prevent tested gearbox installation from misaligning, to gearbox and
Test macro damages；
The load motor of tested speed change output axis connection is used for load simulation, and the utility model, which has, calculates road spectrum mould
Quasi- function and real road spectrum analog analog functuion, need to reach this requirement, and TT&C system need to have high dynamic response speed, move
State responds test specimen not superelevation 20ms.The utility model is used as control and signal communication network using real-time ethernet EtherCAT,
Torque sensor is communicated using EtherCAT, and load motor road spectrum control program executes in embedded real-time controller, this
Utility model selects the double-core of Beckoff or four cores to be embedded in real-time controller, the control system as driving motor and load motor
System, is programmed by C Plus Plus, is realized and is controlled the high dynamic of driving motor and load motor.It is communicated using real-time ethernet, it is embedding
Enter the control of formula real-time controller, can be loaded with the real road of accurate simulation gearbox, the corresponding test specimen of dynamic reaches 25ms；
Tested speed change needs the transmission efficiency tested under different oil temperatures, needs strict control TOT Transmission Oil Temperature, simultaneously
Cannot there are destruction, such as high temperature cabonization to lubricating oil.Devised in the utility model by indirect heat conducting medium to enter become
The lubricating oil of fast case carries out Oil-temperature control, using the oil temperature of oil sump in tested gearbox as closed loop feedback oil temperature, realization pair
The closed-loop control of oil temperature, Oil-temperature control precision can achieve ± 1 DEG C, and external oil temperature loop control can be carried out to gearbox, real
The transmission efficiency of gearbox is tested under existing different oil temperatures；
Design has complete dynamic balancing screw thread on the connecting flange set that the intermediate bearing in input side of the utility model supports
Hole is used for spot dynamic balance, and high speed input shaft system designs using complete dynamic balancing, and shafting after the assembly is completed, can be square online
Just shaft carries out spot dynamic balance, simulates vehicle-mounted input shafting body vibration speed better than 1.5mm/s.
It inputs between motor and tested gearbox and is supported using high speed grease lubricated bearing, the friction of shafting can be greatly reduced
Loss, while the first critical speed of shafting is improved, tested gearbox input side revolving speed can achieve 20000rpm.
Differential test of the tested gearbox under various speed conditions, the control of differential revolving speed may be implemented in the utility model
Precision can achieve ± 2rpm.When carrying out differential test, driving motor and two load motors in the utility model are adopted
With speed closed loop control, the control mode of torque clipping, it can accurate revolving speed control is carried out to load motor, meanwhile, also
It can be to avoid the torque overload of motor.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model side view；
Fig. 3 is the utility model top view；
Fig. 4 is the utility model detection system block diagram；
In figure: 1, driving motor；2, loading motor one；3, loading motor two；4, preposition front drive transmission case；5, cast iron is flat
Platform；6, left and right adjustment slide plate；7, height adjustment draw bar；8, front and back adjusts rocking bar；9, detection system；10, frequency converter rectification is single
Member；11, inversion unit one；12, inversion unit two；13, inversion unit three；14, vibrating sensor
One；15, high speed flexible sheet shaft coupling one；16, high-speed bearing supports；17, vibrating sensor two；18, torque speed sensor
Two；19, high speed flexible sheet shaft coupling two；20, transition spline connecting shaft one；21, vibrating sensor three；22, gearbox is air-cooled
System；23, transition spline connecting shaft two；24, ball-cage constant velocity universal coupling；25, torque speed sensor one；26, transition flower
It is keyed axis three；27, torque speed sensor three；28, initial failure early warning system；29, user data acquisition system；30, become
Fast case Oil-temperature control system；31, testing stand ontology data acquisition system；32, embedded real-time controller；33, computer；34,
Bearing block one；35, bearing block two；36, positioning tool one is installed；37, positioning tool two is installed；38, transmission shaft one；39, it drives
Motor mounting platform；40, transmission shaft two；41, transmission shaft three；42, test machine mounting platform.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Please refer to shown in Fig. 1-4, multifunction flexible gearbox test macro, including driving motor 1, loading motor 1,
Loading motor 23, preposition front drive transmission case 4,1 bottom of driving motor be arranged driving motor mounting platform 39, loading motor 1 with
23 bottom of loading motor is provided with test machine mounting platform 42, driving motor mounting platform 39 and two test machine mounting platforms
42 are installed in 5 top of cast iron platform, the company between two test machine mounting platforms 42 and loading motor 1, loading motor 23
The place of connecing is mounted on left and right adjustment slide plate 6, and wears on two 42 side walls of test machine mounting platform and be connected to several height adjustment
Draw bar 7 is mounted on front and back in two 42 bottom sidewalls of test machine mounting platform and adjusts rocking bar 8, and loading motor 1 passes through height
Fast flexible sheet shaft coupling 1 connects torque speed sensor 1, and one 25 side of torque speed sensor is provided with bearing
Seat 1, one 34 side of bearing block is equipped with ball-cage constant velocity universal coupling 24, and one 34 bottom of bearing block is provided with installation and determines
Position tooling 2 37, torque speed sensor 1 are also mounted at installation positioning tool 2 37, and ball-cage constant velocity universal coupling 24 connects
Transmission shaft 1 is connect, transmission shaft 1 connects preposition front drive transmission case 4, and the preposition connection of front drive transmission case 4 is located at driving motor and pacifies
The bearing block 2 35 at 39 top of assembling platform, 2 35 side of bearing block are provided with the transmission shaft 3 41 being connected with transmission shaft 1,
3 41 side of transmission shaft is provided with installation positioning tool 1, ball-cage constant velocity universal coupling 24 and preposition front drive transmission case 4
Axis is connected and is connected with the transmission shaft 2 40 being located on driving motor mounting platform 39, and 2 40 one end of transmission shaft connects torque
Speed probe 2 18, torque speed sensor 2 18 connect high speed flexible sheet shaft coupling 2 19, high speed flexible sheet shaft coupling
Device 2 19 is connected with loading motor 23.
The multifunction flexible gearbox test macro further includes detection system 9, and detection system 9 is rectified single by frequency converter
Member 10 connects inversion unit 1, inversion unit 2 12 and inversion unit 3 13, and frequency converter is inverse
Become unit 1 and connects inversion unit 2 12 and inversion unit 3 13, inversion unit 1 simultaneously
Driving motor 1 is connected, inversion unit 2 12 connects loading motor 1, the connection load electricity of inversion unit 3 13
Machine 23, driving motor 1 are connected with vibrating sensor 1 and high speed flexible sheet shaft coupling 1, high speed flexible sheet connection
Axis device 1 connects high-speed bearing bearing 16,16 connection vibrating sensor 2 17 of high-speed bearing bearing and torque speed sensor
2 18, torque speed sensor 2 18 is electrically connected high speed flexible sheet shaft coupling 2 19, and high speed flexible sheet shaft coupling 2 19 connects
It takes over and crosses spline connecting shaft 1, transition spline connecting shaft 1 connects preposition front drive transmission case 4, and preposition front drive transmission case 4 connects
Connect vibrating sensor 3 21 and gearbox air cooling system 22, transition spline connecting shaft 2 23, transition spline connecting shaft 3 26, morning
Phase fault early warning system 28 and oil temperature control system for speed changing box 30, transition spline connecting shaft 2 23 connect ball-cage constant velocity universal connection
Axis device 24, ball-cage constant velocity universal coupling 24 connect loading motor 1, the connection of transition spline by torque speed sensor 1
Axis 3 26 connects torque speed sensor 3 27, and torque speed sensor 3 27 connects loading motor 23, inversion unit
1 with inversion unit 2 12, the common joint test playscript with stage directions volume data acquisition system of 3 13 three of inversion unit
31, testing stand ontology data acquisition system 31 connects user data acquisition system 29 and embedded real-time controller 32, insertion
Formula real-time controller 32 connects computer 33.
Preposition front drive transmission case 4 connects transition spline connecting shaft 2 23, transition spline connecting shaft 3 26, the connection of transition spline
Axis 2 23 connects ball-cage constant velocity universal coupling 24, and ball-cage constant velocity universal coupling 24 is connect with loading motor, passes through cage etc.
The flexible angle regulating function of speed universal coupling 24 guarantees to load stable, high efficiency of transmission.
The X/Y of the front and back bearings of driving motor 1, X represent left and right, Y represents front-rear direction and is equipped with vibrating sensor 1,
The direction X/Y of high-speed bearing bearing 16 is equipped with vibrating sensor 2 17, realizes the vibrational state and reality of real-time monitoring motor
When detection high-speed bearing bearing 16 vibrational state.
High-speed bearing supports 16 both ends and is respectively arranged two diagonal contact ball bearings, and side uses spring pre-tightening, driving motor 1
It is connect between high-speed bearing bearing 16 using high speed flexible sheet shaft coupling 1, high-speed bearing supports 16 outlet sides and torque
Speed probe 2 18 is directly connected to, and 2 18 outlet side of torque speed sensor passes through the high speed flexible sheet shaft coupling two of binodal
19 and transition spline connecting shaft 1 and preposition front drive transmission case 4 input axis connection, due to high-speed bearing bearing 16 use
The high-speed electric main shaft angular contact ball bearing of FAG/SKF/NSK, so that bearing maximum speed can achieve 26000rpm.
The baseplane center design of high-speed bearing bearing 16 has a guide-localization slot, the center vertical plane of the locating slot and its
Axial line is coplanar, and the upper and lower surface design of the transition mounting plate of high-speed bearing bearing 16 has symmetrical guide-localization slot, by test specimen
The upper surface design of mounting tool bottom plate has positioning and guiding slot, and the central plane and mounting tool of the positioning and guiding slot are vertically-mounted
It is coplanar by the pilot hole axes of test specimen on plate, guarantee to be tested preposition front drive transmission case 4 and the outlet side of high-speed bearing bearing 16 is same
Axis degree is better than 0.02mm, while by high accuracy positioning feather key by bearing bearing, transition mounting plate, by test specimen mounting tool bottom
Plate connects, thus, it is possible to guarantee that the axial direction of bearing bearing is coplanar in vertical direction with by the axis of test specimen.
The height adjustment range of loading motor 1 and 23 mounting base of loading motor is 150mm, and adjustment mode is to subtract manually
The front and back adjusting range of fast machine and lead screw adjustment, loading motor 1 and 23 mounting base of loading motor is 200mm, and adjustment mode is
Manual speed reducer and lead screw adjustment, after being adjusted in place, are locked by bolt, and when adjustment can intuitively check adjustment position by scale
It sets and distance, the left and right adjusting range of loading motor 1 and 23 mounting base of loading motor is 100mm, and adjustment mode is to subtract manually
Fast machine and lead screw adjustment, traditional load motor can only generally realize that both direction freedom degree adjusts, and short transverse generally uses
The mode of cushion block adjusts, and adjustment is inconvenient, and the gearbox for adapting to different size with traditional being comparably is tested, output end dynamometer machine
It can be realized the position adjustment of X/Y/Z three degree of freedom, driving motor 1 and loading motor 1, loading motor 23 are all made of and turn
The control mode of fast closed-loop control and torque clipping.
At the front and back bearings of driving motor 1, at the front and back of intermediate propeller shaft and intermediate bearing, intermediate bearing bearing two sides
At bearing, it is provided with three axis vibration sensors at the front and back bearings of tested motor, real-time vibration monitoring is carried out to bearing, once
There is exception in vibration, and system is alarmed immediately.
The rotary inertia of driving motor 1 is no more than 0.1kg.m2, the maximum speed of motor is 20000rpm, and driving motor
1 is thinned design using side, and the side and the output shaft of preposition front drive transmission case 4 are close, and the side center is away from no more than 135mm,
Center be can satisfy away from all vehicle gearbox testing requirements for being not less than 160mm, and in such a way that design is thinned in side,
Not only can satisfy the small center of gearbox away from requirement, while the single order that motor can be improved faces rank revolving speed, reaches 16000rpm
Revolving speed target.
The connecting flange that high-speed bearing supports 16 input sides, which is put on, is provided with complete dynamic balancing threaded hole, and balance threaded hole is used
Dynamic balancing on site, after spot dynamic balance, the vibration velocity of high speed input shaft system can be better than 2mm/s.
Driving motor 1 and loading motor 1, loading motor 23 are all made of the control of speed closed loop control and torque clipping
Mode, the control mode of torque clipping, it can accurate revolving speed control is carried out to load motor, at the same time it can also avoid electricity
The torque overload of machine.
When the utility model is used, firstly, complete the assembling of whole system, driving motor 1 for simulated engine or
Motor in electric automobile, since the input shaft and output distance between axles of preposition front drive transmission case 4 are smaller, to avoid input motor and output
Motor position interference, input motor need to use in away from high lesser motor, but if using the motor of the high very little of integral central, then
The first critical speed of motor and heat dissipation can all go wrong, and the utility model is used the center of 1 side of driving motor away from contracting
Small, other parts use reasonable size, and the close side with preposition 4 output shaft of front drive transmission case, center is away from for 132mm-
135mm, a height of 165mm in center be not only able to satisfy the condition that driving motor and loading motor are not interfered, but also can solve motor
Heat dissipation and first critical speed are higher than the demand of 20000rpm.Driving motor 1 and by between test specimen design have high-speed bearing bearing
16, this high-speed bearing bearing 16 uses the high-speed electric main shaft angular contact ball bearing of FAG/SKF/NSK, and bearing maximum speed can reach
To 26000rpm, high-speed bearing supports 16 both ends and is respectively arranged two diagonal contact ball bearings, and side uses spring pre-tightening, driving electricity
Machine 1 and high-speed bearing bearing 16 between using high speed flexible sheet shaft coupling 1 connect, high-speed bearing support 16 outlet sides with
Torque sensor 2 18 is directly connected to, and 2 18 outlet side of torque sensor passes through 2 19 He of high speed flexible sheet shaft coupling of binodal
The input axis connection of transition spline connecting shaft 1 and preposition front drive transmission case 4.Pacify in the direction X/Y of 1 front and back bearings of driving motor
Equipped with vibrating sensor 1, the vibrational state of real-time monitoring motor；The direction X/Y of high-speed bearing bearing 16 is equipped with vibration and passes
Sensor 2 17, the vibrational state of real-time detection high-speed bearing bearing 16.To guarantee to be tested preposition front drive transmission case 4 and high-speed bearing
The outlet side concentricity of bearing 16 is better than 0.02mm, is directly installed on using by high-speed bearing bearing 16 by test specimen tooling,
There are guide-localization slot, the center vertical plane of the locating slot and its axial line in the baseplane center design of high-speed bearing bearing 16
Coplanar, the upper and lower surface design of the transition mounting plate of high-speed bearing bearing 16 has symmetrical guide-localization slot, by test specimen erector
The upper surface design of dress bottom plate has positioning and guiding slot, quilt on the central plane and mounting tool horizontal mounting plate of the positioning and guiding slot
The pilot hole axes of test specimen are coplanar, by high accuracy positioning feather key by bearing bearing, transition mounting plate, by test specimen mounting tool
Bottom plate connects, thus, it is possible to guarantee that the axial direction of bearing bearing is coplanar in vertical direction with by the axis of test specimen.In addition, by
Test specimen mounting tool is that four blocks of Precision Machining steel plates are installed by bolt combination, after installation is complete, with the bottom plate of mounting tool
On the basis of bottom, the location hole of horizontal mounting plate and the positioning and guiding slot of bottom mounting plate upper surface are processed；Horizontal mounting plate
Location hole and guide-localization slot after processing is completed, by three-coordinates measuring machine measurement and positioning hole and plate upper surface it is practical away from
From, while the axis of high-speed bearing bearing 16 and the actual range of its baseplane are measured, and it is poor by this size, high-speed bearing is supported
16 excessive mounting plates carry out reconditionings, thus guarantee the center height of high-speed bearing bearing 16 and determining for mounting tool horizontal mounting plate
Position hole center height is identical；By the above structure design and manufacturing procedure technique, come guarantee the axis of high-speed bearing bearing 16 with
By the axial coaxial of test specimen.The outlet side of loading motor 23 directly passes through flange and connect with torque speed sensor 3 27, torque
Speed probe 3 27 connects long axis by ball-cage constant velocity universal coupling 24 and connect with detected preposition front drive transmission case 4.
Loading motor 1 and loading motor 23 install cast iron platform by several height adjust draw bars 7 can short transverse into
Row adjustment, adjusting range 150mm, adjustment mode are that manual speed reducer and lead screw adjust, and after being adjusted in place, pass through bolt lock
Tightly, adjustment position and distance can be intuitively checked when adjustment by scale.Loading motor 1 and loading motor 23 pass through front and back
Adjustment rocking bar 8 can be adjusted in front-rear direction, adjusting range 200mm, and adjustment mode is manual speed reducer and lead screw tune
It is whole, it after being adjusted in place, is locked by bolt, when adjustment can intuitively check adjustment position and distance by scale.Loading motor
One 2 install cast iron platform with loading motor 23 can be adjusted in direction by left and right adjustment slide plate 6 all around, be adjusted
Range is 100mm, and adjustment mode is that manual speed reducer and lead screw adjust, and after being adjusted in place, is locked by bolt, can be with when adjustment
Adjustment position and distance are intuitively checked by scale.The output shaft of driving motor 1 is directly connect with torque flange, torque flange
Torque and tach signal pass through testing stand ontology data acquisition system 31 and upload to monitoring software in industrial personal computer, realize torque closed loop
Control.The encoder of motor tail portion installation is directly connect with the coder module of frequency converter, realizes speed closed loop control.Driving electricity
At the front and back bearings of machine 1, at the front and back of intermediate propeller shaft and intermediate bearing, at two side bearings of intermediate bearing bearing, tested electricity
It is provided with three axis vibration sensors at the front and back bearings of machine, real-time vibration monitoring is carried out to bearing, once there is exception in vibration,
System is alarmed immediately.After being tested preposition front drive transmission case 4 first and being installed, system will start driving motor 1, drive tested
Preposition front drive transmission case 4 dallies, and gradually rises revolving speed, and the peace of preposition front drive transmission case 4 is tested by vibrating sensor judgement
Shaft alignment state is filled, if detecting vibration exceeding the standard, needs to readjust concentricity.1 frequency converter of driving motor and host computer use
EtherCAT communication, can greatly improve communication speed, improve the anti-interference of system.Host computer passes through the control to frequency converter
System can carry out the multiple control modes such as permanent torque, permanent revolving speed, road load simulation control to motor.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (10)
1. multifunction flexible gearbox test macro, including driving motor (1), loading motor one (2), loading motor two (3),
Preposition front drive transmission case (4), which is characterized in that driving motor mounting platform (39) are arranged in driving motor (1) bottom, described
Loading motor one (2) and loading motor two (3) bottom are provided with test machine mounting platform (42), the driving motor installation
Platform (39) and two test machine mounting platforms (42) are installed at the top of cast iron platform (5), two test machine peaces
Junction between assembling platform (42) and the loading motor one (2), the loading motor two (3) is mounted on left and right adjustment and slides
Plate (6), and worn on two test machine mounting platform (42) side walls and be connected to several height adjustment draw bar (7), two
It is mounted on front and back in test machine mounting platform (42) bottom sidewall and adjusts rocking bar (8), the loading motor one (2) passes through
High speed flexible sheet shaft coupling one (15) connects torque speed sensor one (25), torque speed sensor one (25) side
It is provided with bearing block one (34), bearing block one (34) side is equipped with ball-cage constant velocity universal coupling (24), and the axis
It holds seat one (34) bottom and is provided with installation positioning tool two (37), it is fixed that the torque speed sensor one (25) is also mounted at installation
Position tooling two (37), the ball-cage constant velocity universal coupling (24) connect transmission shaft one (38), transmission shaft one (38) connection
The preposition front drive transmission case (4), preposition front drive transmission case (4) connection are located at the driving motor mounting platform (39) and push up
The bearing block two (35) in portion, bearing block two (35) side are provided with the transmission shaft three being connected with the transmission shaft one (38)
(41), transmission shaft three (41) side is provided with installation positioning tool one (36), the ball-cage constant velocity universal coupling (24)
Be connected with the axis of the preposition front drive transmission case (4) and be located at the driving motor mounting platform (39) on transmission shaft two
(40) it is connected, described transmission shaft two (40) one end connects torque speed sensor two (18), the torque speed sensor two
(18) high speed flexible sheet shaft coupling two (19) are connected, the high speed flexible sheet shaft coupling two (19) and the loading motor two
(3) it is connected.
2. multifunction flexible gearbox test macro according to claim 1, which is characterized in that the multifunction flexible
Gearbox test macro further includes detection system (9), and the detection system (9) connects frequency conversion by frequency converter rectification unit (10)
Device inversion unit one (11), inversion unit two (12) and inversion unit three (13), the inversion
Unit one (11) connects the inversion unit two (12) and the inversion unit three (13), the change simultaneously
Frequency device inversion unit one (11) connects the driving motor (1), and the inversion unit two (12) connects the load electricity
Machine one (2), the inversion unit three (13) connect the loading motor two (3), and the driving motor (1) is connected with vibration
Dynamic sensor one (14) and the high speed flexible sheet shaft coupling one (15), the high speed flexible sheet shaft coupling one (15) is even
High-speed bearing bearing (16) is connect, high-speed bearing bearing (16) connection vibrating sensor two (17) and the torque revolving speed pass
Sensor two (18), the torque speed sensor two (18) are electrically connected the high speed flexible sheet shaft coupling two (19), the height
Fast flexible sheet shaft coupling two (19) connects transition spline connecting shaft one (20), and the transition spline connecting shaft one (20) connects institute
It states preposition front drive transmission case (4), preposition front drive transmission case (4) connection vibrating sensor three (21) and the air-cooled system of gearbox
System (22), transition spline connecting shaft two (23), transition spline connecting shaft three (26), initial failure early warning system (28) and speed change
Case Oil-temperature control system (30), the transition spline connecting shaft two (23) connect the ball-cage constant velocity universal coupling (24), institute
It states ball-cage constant velocity universal coupling (24) and the loading motor one (2), institute is connected by the torque speed sensor one (25)
Transition spline connecting shaft three (26) connection torque speed sensor three (27) is stated, the torque speed sensor three (27) connects institute
State loading motor two (3), the inversion unit one (11) and the inversion unit two (12), the frequency converter
The common joint test playscript with stage directions volume data acquisition system (31) of inversion unit three (13) three, testing stand ontology data acquisition system
System (31) connection user data acquisition system (29) and embedded real-time controller (32), the embedded real-time controller
(32) computer (33) are connected.
3. multifunction flexible gearbox test macro according to claim 1, which is characterized in that the preposition forerunner becomes
Fast case (4) connects transition spline connecting shaft two (23), transition spline connecting shaft three (26), the transition spline connecting shaft two (23)
It connects the ball-cage constant velocity universal coupling (24), the ball-cage constant velocity universal coupling (24) connect with loading motor.
4. multifunction flexible gearbox test macro according to claim 2, which is characterized in that driving motor (1)
The direction X/Y of front and back bearings is equipped with vibrating sensor one (14), and the direction X/Y of high-speed bearing bearing (16) is equipped with vibration and passes
Sensor two (17).
5. multifunction flexible gearbox test macro according to claim 2, which is characterized in that the high-speed bearing branch
It holds (16) both ends and is respectively arranged two diagonal contact ball bearings, side uses spring pre-tightening, and driving motor (1) and high-speed bearing support
(16) it is connected between using high speed flexible sheet shaft coupling one (15), high-speed bearing supports (16) outlet side and torque revolution speed sensing
Device two (18) is directly connected to, and torque speed sensor two (18) outlet side passes through the high speed flexible sheet shaft coupling two (19) of binodal
With the input axis connection of transition spline connecting shaft one (20) and preposition front drive transmission case (4).
6. multifunction flexible gearbox test macro according to claim 2, which is characterized in that the high-speed bearing branch
The baseplane center design for holding (16) has guide-localization slot, and the center vertical plane of the locating slot is coplanar with its axial line, high speed
The upper and lower surface design of the transition mounting plate of bearing bearing (16) has symmetrical guide-localization slot, by test specimen mounting tool bottom plate
Upper surface design has positioning and guiding slot, and the central plane of the positioning and guiding slot is determined in mounting tool horizontal mounting plate by test specimen
Position axially bored line is coplanar.
7. multifunction flexible gearbox test macro according to claim 1 or 2, which is characterized in that the load electricity
The height adjustment range of machine one (2) and loading motor two (3) mounting base is 150mm, and adjustment mode is manual speed reducer and lead screw
The front and back adjusting range of adjustment, loading motor one (2) and loading motor two (3) mounting base is 200mm, and adjustment mode is to subtract manually
Fast machine and lead screw adjustment, after being adjusted in place, are locked by bolt, when adjustment can intuitively be checked by scale adjustment position and away from
From the left and right adjusting range of loading motor one (2) and loading motor two (3) mounting base is 100mm, and adjustment mode is to slow down manually
Machine and lead screw adjustment, and the driving motor (1) and loading motor one (2), loading motor two (3) are all made of speed closed loop control
And the control mode of torque clipping.
8. multifunction flexible gearbox test macro according to claim 1, which is characterized in that the driving motor
(1) at front and back bearings, at the front and back of intermediate propeller shaft and intermediate bearing, at two side bearings of intermediate bearing bearing, tested electricity
Three axis vibration sensors are provided at the front and back bearings of machine.
9. multifunction flexible gearbox test macro according to claim 1 or 2, which is characterized in that the driving electricity
The rotary inertia of machine (1) is no more than 0.1kg.m2, the maximum speed of motor is 20000rpm, and driving motor (1) uses side
Design is thinned, the output shaft of the side and preposition front drive transmission case (4) is close, and the side center is away from no more than 135mm.
10. multifunction flexible gearbox test macro according to claim 2, which is characterized in that the high-speed bearing
The connecting flange of bearing (16) input side, which is put on, is provided with complete dynamic balancing threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498969.6U CN209131969U (en) | 2018-09-13 | 2018-09-13 | Multifunction flexible gearbox test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498969.6U CN209131969U (en) | 2018-09-13 | 2018-09-13 | Multifunction flexible gearbox test macro |
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| Publication Number | Publication Date |
|---|---|
| CN209131969U true CN209131969U (en) | 2019-07-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029988A (en) * | 2018-09-13 | 2018-12-18 | 安徽精科检测技术有限公司 | Multifunction flexible gearbox test macro |
| CN113776848A (en) * | 2021-08-06 | 2021-12-10 | 江苏蔚之领域智能科技有限公司 | High-speed three-motor test bench with vibration suppression and early warning functions for new energy automobile |
| CN114593906A (en) * | 2022-03-25 | 2022-06-07 | 无锡市宏源弹性器材有限公司 | Reliability test equipment for shafting end face sealing device for ship |
| CN114607766A (en) * | 2022-05-12 | 2022-06-10 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
-
2018
- 2018-09-13 CN CN201821498969.6U patent/CN209131969U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029988A (en) * | 2018-09-13 | 2018-12-18 | 安徽精科检测技术有限公司 | Multifunction flexible gearbox test macro |
| CN109029988B (en) * | 2018-09-13 | 2024-06-21 | 安徽精科检测技术有限公司 | Multifunctional flexible gearbox testing system |
| CN113776848A (en) * | 2021-08-06 | 2021-12-10 | 江苏蔚之领域智能科技有限公司 | High-speed three-motor test bench with vibration suppression and early warning functions for new energy automobile |
| CN114593906A (en) * | 2022-03-25 | 2022-06-07 | 无锡市宏源弹性器材有限公司 | Reliability test equipment for shafting end face sealing device for ship |
| CN114607766A (en) * | 2022-05-12 | 2022-06-10 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
| CN114607766B (en) * | 2022-05-12 | 2022-07-12 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
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