CN107884186A - A kind of clutch assembly fatigue test system and method - Google Patents
A kind of clutch assembly fatigue test system and method Download PDFInfo
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- CN107884186A CN107884186A CN201711319835.3A CN201711319835A CN107884186A CN 107884186 A CN107884186 A CN 107884186A CN 201711319835 A CN201711319835 A CN 201711319835A CN 107884186 A CN107884186 A CN 107884186A
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 55
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 42
- 206010016256 fatigue Diseases 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 16
- 230000003137 locomotive effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
Classifications
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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
- G01M13/022—Power-transmitting couplings or clutches
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to automobile manufacturing field, specifically discloses a kind of clutch assembly fatigue test system and method, and the test system includes drive mechanism, is connected with clutch assembly and is rotated for driving clutch assembly, its output speed can adjust；Hydraulic means, it is compressed for the piston in driving clutch assembly, its output hydraulic pressure can adjust, and hydraulic means includes the first pressure sensor for being used for the pressure for the hydraulic oil that Test driver piston is compressed.The present invention is compressed by the piston of hydraulic means driving clutch assembly, the rotation of drive mechanism driving clutch assembly, the actual working state of simulated clutch assembly, so as to realize that the fatigability to clutch assembly carries out integrated testability；And be compared by the pressure value of first pressure sensor feedback with default numerical value, judge whether each part in clutch assembly inside occurs the situation of fatigability test failure.
Description
Technical field
The present invention relates to field of automobile, more particularly to a kind of clutch assembly fatigue test system and method.
Background technology
Clutch assembly is one of important component of automobile, and it is equal to manipulate stability and its riding comfort etc. to automobile
There are influence closely, the existing 100 years history for many years of development of clutch assembly, the function of clutch assembly and effect
Effect improve constantly and it is perfect.
Clutch assembly is the critical component that automobile realizes gearshift function, if clutch assembly is broken down, light then shadow
Ring the smooth gear shifting of speed changer, abnormal sound occur, it is heavy then speed changer can be caused not shift gears.Therefore the tired longevity of clutch assembly
Life will directly affect life-span of speed changer, so during the designing and developing of clutch assembly, its fatigue life test is
Essential.
Therefore a series of verification test is had to pass through before automobile is applied to for a clutch.To clutch
The verification test of device specifically includes the test to each parts of clutch assembly；Wherein the parts of clutch assembly include friction
Piece, diaphragm spring, piston and release bearing etc..
But up to the present, in automotive development and process industry, test to each part of clutch assembly typically by
The different test equipment of structure is separately carried out, therefore existing test program is complicated, and cost is higher.
The content of the invention
It is an object of the present invention to：A kind of clutch assembly fatigue test system is provided, to solve in the prior art
The problem of clutch testing program is complicated, testing cost is high.
It is another object of the present invention to：A kind of method for testing fatigue of clutch assembly is provided.
On the one hand, the present invention provides a kind of clutch assembly fatigue test system, and the internal piston of clutch assembly is provided with
For driving the spring of the piston return, including：
Hydraulic means, including hydraulic oil container, hydraulic pump and the first pressure regulator valve being sequentially connected, first pressure regulator valve and three
The first end connection of port valve, the end of triple valve second is connected with the piston of the clutch assembly by pressure pipeline, is used for
The piston is driven to compress, the 3rd end of the triple valve is connected by return line with the hydraulic oil container, the triple valve
First end connected with the second end or the second end of the triple valve connects with the 3rd end；Is also associated with the pressure pipeline
One pressure sensor；
Resetting-mechanism, the resetting-mechanism are used to drive the piston return；
Drive mechanism, it is connected with the clutch assembly, the clutch assembly can be driven to rotate, the drive mechanism
Output speed can adjust.
Preferably, also include the bearing block being connected with the release bearing in the clutch assembly, on the bearing block
Provided with pressurization hydraulic fluid port, the 3rd end of the triple valve is connected with the pressurization hydraulic fluid port by the pressure pipeline.
Preferably, the hydraulic means also includes the pressure and temperature for being respectively used to test the hydraulic pump output port
Second pressure sensor and the first temperature sensor.
Preferably, the hydraulic means also includes the second temperature sensor that may be contained within the hydraulic oil container and added
Hot device.
Preferably, the output end of the hydraulic pump is connected by the second pressure regulator valve and the lubrication hydraulic fluid port of the clutch assembly
Connect.
Preferably, the resetting-mechanism includes the magnetic valve that is connected with the output end of the hydraulic pump, and with it is described
The hydraulic jack of magnetic valve connection, the output end of the hydraulic jack are connected with the piston, and for driving the piston to return
Position.
Preferably, the drive mechanism includes high-speed electric expreess locomotive, the high-speed electric expreess locomotive and the clutch assembly are connected
The rotating speed of transmission component, the frequency converter being connected with the high-speed electric expreess locomotive, and the rotating speed for testing the clutch assembly passes
Sensor.
Preferably, the transmission component include be connected with the clutch assembly input splined shaft, installed in institute
State the first flute profile belt pulley on splined shaft, the second toothed belt wheel on the high-speed electric expreess locomotive output shaft and connection
The flute profile belt of the first flute profile belt pulley and second toothed belt wheel.
Preferably, also include warning device.
On the other hand, the present invention provides a kind of clutch assembly method for testing fatigue, suitable for any of the above-described scheme
A kind of clutch assembly fatigue test system, including：
S10：Clutch assembly is cooled down, its surface and the temperature of inside is reached -20 DEG C~-40 DEG C；
S20：Hydraulic pump is pressurized, and pressure is adjusted into P by the first pressure regulator valve；
S30：Drive mechanism driving clutch assembly is operated with rotating speed V；
S40：The first end of triple valve is connected with the second end, and the second end and the 3rd end of triple valve are closed, and the duration
T1, hydraulic oil driving piston compression, T1 is pressing time；
S50：The first end of triple valve is closed with the second end, and the second end of triple valve connects with the 3rd end, and the duration
T2, T2 are venting duration；
S60：The repeat step S40 and S50 in time T, if in time T, the numerical value of first pressure sensor is in predetermined model
In enclosing, the clutch assembly fatigability test passes are described if the numerical fluctuations of first pressure sensor exceed preset range
Clutch assembly fatigability test failure, and stop testing.
Beneficial effects of the present invention are：By drive mechanism driving clutch assembly rotate, by hydraulic means drive from
The piston compression of clutch assembly, piston return is driven by the spring in clutch assembly and resetting-mechanism, by heater,
The temperature of first temperature sensor and second temperature sensor adjustment hydraulic oil simultaneously ensures hydraulic fluid temperature 110 DEG C~130
Between DEG C, so as to the actual working state and working environment of simulated clutch assembly, make the result that fatigability is tested more
Objective reality, realize the integrated testability to the fatigability of clutch assembly；And pass through the number pressure of first pressure sensor feedback
Value is compared with preset range, can reflect whether each part occurs fatigability test failure inside clutch assembly
Situation, can effectively solve that clutch assembly test program in the prior art is complicated, testing cost is high asks by above-mentioned setting
Topic.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the drive mechanism of clutch assembly fatigue test system in the embodiment of the present invention；
Fig. 2 is a kind of hydraulic means of clutch assembly fatigue test system and the knot of resetting-mechanism in the embodiment of the present invention
Structure schematic diagram.
In figure：
1st, hydraulic means；101st, hydraulic oil container；102nd, hydraulic pump；103rd, pressurize magnetic valve；104th, the first pressure regulator valve；105、
Triple valve；106th, first pressure sensor；107th, second pressure sensor；108th, the 3rd pressure sensor；109th, the first temperature
Sensor；110th, second temperature sensor；111st, heater；112nd, hydralic pressure gauge；113rd, the second pressure regulator valve；114th, return line；
115th, pressure pipeline；116th, lubricating pipe；
2nd, resetting-mechanism；201st, magnetic valve；202nd, hydraulic jack；
3rd, bearing block；301st, pressurize hydraulic fluid port；
4th, clutch assembly；
5th, drive mechanism；51st, high-speed electric expreess locomotive；52nd, frequency converter；53rd, transmission component；531st, splined shaft；532nd, the first tooth form
Belt pulley；533rd, the second toothed belt wheel；534th, odontoid belt；54th, speed probe.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
The present embodiment provides a kind of clutch assembly fatigue test system, as shown in Fig. 1~2, including drive mechanism 5, liquid
Pressure device 1, electric control gear (not shown in accompanying drawing), resetting-mechanism 2 and warning device (not shown in accompanying drawing), in the present embodiment
Drive mechanism 5 and hydraulic means 1 are installed on workbench (not shown in accompanying drawing).
As shown in figure 1, drive mechanism 5 includes high-speed electric expreess locomotive 51, frequency converter 52, transmission component 53 and speed probe
54, transmission component 53 includes splined shaft 531, the first toothed belt wheel 532, the second toothed belt wheel 533 and odontoid belt
534, the input of clutch assembly 4 is connected with splined shaft 531, and the first toothed belt wheel 532 is arranged on splined shaft 531, the
Two toothed belt wheels 533 are arranged on the output shaft of high-speed electric expreess locomotive 51, the first toothed belt wheel 532 and the second toothed belt wheel
533 are connected by odontoid belt 534, and frequency converter 52 is connected with high-speed electric expreess locomotive 51 and electric control gear respectively, and electric control gear passes through change
Frequency device 52 adjusts the rotating speed of high-speed electric expreess locomotive 51, and speed probe 54 is arranged on the input or splined shaft 531 of clutch assembly 4
On, and connected with electric control gear, for testing the actual speed of clutch assembly 4, in the present embodiment, in depositing for electric control gear
The rotating speed of clutch assembly 4 is preset on reservoir, electric control gear controls the rotating speed of high-speed electric expreess locomotive 51 by frequency converter 52, and further
Operated by the driving clutch assembly 4 of transmission component 53 with setting speed, while can be by speed probe 54 to automatically controlled dress
Whether the actual speed for putting feedback clutch assembly 4 is default speed.
As shown in Fig. 2 the release bearing and bearing block 3 of clutch assembly 4 connect, the bearing block 3 is provided with pressurization hydraulic fluid port
301, and the hydraulic fluid port 301 that pressurizes is total by the internal oil passages in the internal oil passages of bearing block 3 and clutch assembly 4 and clutch
The cavity connection of piston into 4.In the present embodiment, by bearing block 3 set pressurization hydraulic fluid port 301, and with pressure pipeline 115
When connecting, avoid pressure pipeline 115 and clutch assembly 4 is directly connected to, and then avoiding the rotation of clutch assembly 4, pressurization
Pipeline 115 follows the integral-rotation of clutch assembly 4, and pressure pipeline 115 and clutch assembly 4 are wound into situation together.
As shown in Fig. 2 hydraulic means 1 includes hydraulic oil container 101, hydraulic pump 102, and be connected with electric control gear plus
Pressure electromagnetic valve 103, the first pressure regulator valve 104, triple valve 105, first pressure sensor 106, second pressure sensor the 107, the 3rd
Pressure sensor 108, the first temperature sensor 109, second temperature sensor 110 and heater 111.
The input of hydraulic pump 102 is connected with hydraulic oil container 101, and output end is connected with the first pressure regulator valve 104, triple valve
105 first end is connected with the first pressure regulator valve 104, and the 3rd end is connected by return line 114 with hydraulic oil container 101, triple valve
105 the second end is connected by pressure pipeline 115 with the pressurization hydraulic fluid port 301 on bearing block 3.It should be noted that the present embodiment
In the preferred two-bit triplet magnetic valve of triple valve 105, so as to when first pressure regulator valve 104 of the connection of triple valve 105 and pressure pipeline 115
When, then it will be off between triple valve 105 and return line 114, and can now realize the loading of hydraulic oil, specifically
, now i.e., the first end of triple valve 105 connects with the second end, is closed between the second end and the 3rd end, in hydraulic pump 102
Under driving, hydraulic oil can be entered in piston cavity, and drives piston to compress.When the pressure regulator valve 104 of triple valve 105 and first it
When separated, then connected state will be between triple valve 105 and return line 114, can now realize unloading for hydraulic oil
Carry.Specifically, now i.e., the first end of triple valve 105 is closed with the second end, the second end of triple valve 105 connects with the 3rd end,
Return line 114 is connected with pressure pipeline 115, and the hydraulic pressure for acting on piston is released, and piston is in internal piston spring
In the presence of return, pressurized pipeline 115, return line 114 enter hydraulic oil container 101 to the hydraulic oil in piston cavity successively
In.
First pressure regulator valve 104 can be adjusted into the pressure of the hydraulic oil in triple valve 105, can be in advance in electric control gear
Memory on the moulding pressure numerical value of needs is set, in fatigability test, electric control gear will automatically control the first pressure regulator valve 104
The pressure of hydraulic oil is adjusted to default moulding pressure numerical value.
Pressurization magnetic valve 103 is connected with hydraulic pump 102, and pressurization magnetic valve 103 can control hydraulic pump 102 to be pressurized,
Hydraulic pump 102 uses air-driven hydraulic pump in the present embodiment, and the power gas of air-driven hydraulic pump is controlled by the magnetic valve 103 that pressurizes
Connection and disconnection, the control that pressurization magnetic valve 103 is pressurized to hydraulic pump 102 is realized, certain hydraulic pump 102 can also use electronic
Pump.
First pressure sensor 106 is used for the oil pressure tested in pressure pipeline 115, when the clutch assembly 4 tested is tired
When labor is qualified, the pressure value that first pressure sensor 106 feeds back to electric control gear can be in normal scope, when being surveyed
When the fatigability of clutch assembly 4 of examination is unqualified, such as：When the piston generation breakage in clutch assembly 4, cause what is loaded
During hydraulic fluid leak, the pressure of first pressure sensor 106 can substantially reduce and exceed above-mentioned normal scope.Thus carrying out
During 4 testing fatigue of clutch assembly, whether the pressure value that electric control gear can be fed back to by first pressure sensor 106 surpasses
Go out preset range to judge that it is unqualified that the fatigability of clutch assembly 4 tests whether.It should be noted that preset range refers to, survey
Before runin is begun, the model for testing clutch assembly 4 set in advance on the memory of electric control gear and corresponding and
The normal pressure value fluctuation range of first pressure sensor 106 under current test strip part.
The temperature sensor 109 of second pressure sensor 107 and first may be contained within the output port of hydraulic pump 102, respectively
For testing the pressure and temperature of the hydraulic oil after the supercharging of hydraulic pump 102, the 3rd pressure sensor 108, second temperature sensing
Device 110 and heater 111 may be contained within hydraulic oil container 101, the 3rd pressure sensor 108 and second temperature sensor 110
It is respectively used to test the pressure and temperature of hydraulic oil in hydraulic oil container 101, in fatigability test process, the temperature of hydraulic oil is only
There is the actual temperature in simulating vehicle running, just can guarantee that the objectivity of test result, therefore in test process, according to
The actual motion state of vehicle needs the temperature control of hydraulic oil in the present embodiment, working as second temperature at 110 DEG C~130 DEG C
The temperature value of the temperature sensor 109 of sensor 110 or first feedback is gradually reduced and during close to 110 DEG C, and electric control gear is controlled automatically
Heater 111 processed heats to the hydraulic oil in hydraulic oil container 101, when the first temperature sensor 109 or second temperature sense
When the Temperature numerical that device 110 feeds back is increased to close to 130 DEG C, electric control gear auto controlled heater 111 stops heating, so as to
To ensure the temperature control of hydraulic oil at 110 DEG C~130 DEG C.In the present embodiment, electric control gear can be passed by second pressure
The difference for the pressure value that the pressure sensor 108 of sensor 107 and the 3rd is measured determines the size that hydraulic pump 102 is pressurized, and passes through
The pressure value and the difference of the default pressurization pressure value of hydraulic fluid port 301 that second pressure sensor 107 measures, it is determined that needing logical
Cross the size of the pressure value of the first pressure regulator valve 104 adjustment.
Preferably, hydraulic means 1 also includes hydralic pressure gauge 112, and hydralic pressure gauge 112 is arranged on the first pressure regulator valve 104 and triple valve
On connecting line between 105, actual numerical value of the operator by the directly observation pressurization oil pressure of hydralic pressure gauge 112 can be facilitated.
Preferably, the hydraulic pump 102 in the present embodiment can be clutch that is multiple identical or differing model simultaneously
Assembly 4 provides hydraulic-driven, so as to improve the efficiency of the fatigue detecting of clutch assembly 4, while saves the input quantity of equipment
With the area occupied in place.Specifically, can be according to the pressurization oil pressure and hydraulic pump required for the testing fatigue of clutch assembly 4
102 concrete model determines the quantity for the clutch assembly 4 that can be driven simultaneously.
Preferably, hydraulic means 1 also includes the second pressure regulator valve 113, one end and the hydraulic pump 102 of the second pressure regulator valve 113
Output end is connected, and the other end is connected by lubricating pipe 116 with clutch assembly 4, and it is total to provide clutch by lubricating pipe 116
Required lubricating oil during mechanical part operating each into 4 inside.
Resetting-mechanism 2 includes magnetic valve 201 and hydraulic jack 202, and hydraulic oil container 101 is connected by pipeline and magnetic valve 201
Connect, magnetic valve 201 is connected by pipeline with hydraulic jack 202, and the output end of hydraulic jack 202 is connected with piston, passes through hydraulic pressure
Oil cylinder 202 provides hydraulic-driven, auxiliary piston return to piston.In the present embodiment, piston cavity is internally provided with spring, bullet
One end of spring is connected to the other end on piston and is connected on the inwall of piston cavity, can be used for piston return, but work as pressure release
When time is very short, the elastic force for only relying on spring itself is not necessarily able to ensure that piston is returned within the very short time
Position, now, piston fast and accurately return in venting duration is able to ensure that by resetting-mechanism 2.
Preferably, also including warning device, warning device is connected with electric control gear, and warning device can be tri coloured lantern
And/or buzzer, when the numerical value of first pressure sensor 106 exceeds preset range, i.e. the testing fatigue of clutch assembly 4 does not conform to
During lattice, electric control gear control warning device sends alarm.
Preferably, also including supervising device (not shown in accompanying drawing), supervising device includes four cameras and display
Device, four cameras are monitored from the Alignment stage of four direction all around of workbench, when the fatigability of clutch assembly 4
When the time of test is longer, by setting supervising device, it whole to test process can record, avoid operator from staying in for a long time
Test site is manually monitored, and reduces the labor intensity of operator, while has ensured the job safety of operator.
The present embodiment is rotated by the driving clutch assembly 4 of drive mechanism 5, passes through the driving clutch assembly 4 of hydraulic means 1
Piston compression, by the spring of internal piston and the piston return of the driving clutch assembly 4 of resetting-mechanism 2, pass through heater
111st, the first temperature sensor 109 and second temperature sensor 110 adjust the temperature of hydraulic oil and ensure that hydraulic fluid temperature exists
Between 110 DEG C~130 DEG C, so as to the actual working state and working environment of simulated clutch assembly 4, test fatigability
Result more objective reality, and realize and integrated testability carried out to the fatigability of clutch assembly 4；Pass through first pressure sensor
The pressure value of 106 feedbacks is compared with preset range, and it is tired can to reflect whether each part in the inside of clutch assembly 4 occurs
The situation of labor test failure, solve the problems, such as that clutch assembly test program is complicated in the prior art, testing cost is high.
The present embodiment also provides a kind of clutch assembly method for testing fatigue, as shown in Fig. 1~2, suitable for the present embodiment
In a kind of clutch assembly fatigue test system, including：
S10：Clutch assembly 4 is cooled down, its surface and the temperature of inside is reached -40 DEG C~-20 DEG C.
By making the bulk temperature of clutch assembly 4 be controlled at the beginning of test at -40 DEG C~-20 DEG C, clutch can be simulated
The situation that device assembly 4 uses at northern winter, so that the data more objective reality of the fatigability of clutch assembly 4 test.
S11：Rotating speed V, moulding pressure P, the pressing time T1 of clutch assembly 4 are preset on the memory of electric control gear,
Venting duration T2, the temperature value t1 of the startup heating of the preset range, heater 111 of first pressure sensor 106, heater
The 111 temperature value t2 of stopping heating and the injection pressure P1 of lubricating oil.
S20：Pressurization magnetic valve 103 starts, and hydraulic pump 102 is pressurized, and is adjusted pressure by the first pressure regulator valve 104
To P, the pressure of the hydraulic oil for lubrication is adjusted to by P1 by the second pressure regulator valve 113；
S30：The driving clutch assembly 4 of drive mechanism 5 is operated with rotating speed V；
In step s 30, the gearratio of electric control gear combination transmission component 53, high-speed electric expreess locomotive 51 is adjusted by frequency converter 52
Rotating speed, make the rotating speed of high-speed electric expreess locomotive 51 after transmission component 53 is delivered to clutch assembly 4, clutch assembly 4 can with turn
Fast V operating, at the same by speed probe 54 by the actual speed Real-time Feedback of clutch assembly 4 to electric control gear, so as to
, can to ensure the accuracy of the rotating speed of clutch assembly 4, and when the actual speed of clutch assembly 4 is larger with rotating speed V gaps
To judge that exception occurs in drive mechanism 5 according to this.
S40：Pipeline connection between the input of triple valve 105 and the first pressure regulator valve 104 and with hydraulic oil container 101 it
Between return line 114 close, hydraulic oil driving piston compression, and duration T 1, T1 are pressing time；
In step s 40, the hydraulic oil that pressure is P enters axle through triple valve 105, pressure pipeline 115, pressurization hydraulic fluid port 301
Bearing 3, and entered by the internal oil passages of bearing block 3 and the internal oil passages of clutch assembly 4 in piston cavity, driving is lived
Plug compression, and continue the T1 times.
S50：Return line 114 between the input of triple valve 105 and hydraulic oil container 101 connect and with the first pressure regulation
Pipeline between valve 104 is closed, and duration T 2, T2 are venting duration；
In step s 50, electric control gear control magnetic valve 201 is opened, and the spring in hydraulic jack 202 and piston is common
Piston return is driven, in this period, the hydraulic oil in piston cavity is returned to by pressure pipeline 115 and return line 114
In hydraulic oil container 101, the unloading of hydraulic oil is realized.
S60：The repeat step S40 and S50 in time T, if in time T, the numerical value of first pressure sensor 106 is predetermined
In the range of, the fatigability test passes of clutch assembly 4, if the numerical fluctuations of first pressure sensor 106 exceed preset range, from
The fatigability test failure of clutch assembly 4, and stop testing.
In step S60, if the fatigability test failure of clutch assembly 4, electric control gear also control warning device to send out
Go out alarm.
It should be noted that in above-mentioned steps S20~S60, when the first temperature sensor 109 and/or second temperature pass
When the temperature value that sensor 110 is tested is less than or equal to t1, heater 111 starts, and the hydraulic oil in hydraulic oil container 101 is added
Heat, when the temperature value of the first temperature sensor 109 and/or the test of second temperature sensor 110 is more than or equal to t2, heater
111 stop heating.
Preferably, 2000r/min≤V≤6500r/min, specifically, V can be 2000r/min, 3000r/min,
4000r/min, 4500r/min, 5000r/min or 6500r/min.
Preferably, 1s≤T1≤10s, specifically, T1 can be 1s, 2s, 2.5s, 3s, 3.5s, 4s, 5s, 6s, 7s, 8s,
9s or 10s.
Preferably, 1s≤T2≤10s, specifically, T2 can be 0.5s, 1s, 1.5s, 2s, 2.5s, 4s, 5s, 6s, 7s,
8s, 9s or 10s.
Preferably, 1455kpa≤P≤3100kpa, specifically, P can be 1455kpa, 2115kpa, 2314kpa or
3100kpa。
Preferably, t1=110 DEG C~115 DEG C, t2=125 DEG C~130 DEG C, specifically, t1=115 DEG C, t2=130 DEG C.
It is understood that during the fatigability of clutch assembly 4 is tested, if the part in clutch assembly 4 goes out
Any one or more of existing breakage, ablation, crackle, inordinate wear phenomenon, also can directly judge the tired of clutch assembly 4
Labor is unqualified.
The present embodiment can by setting multigroup parameter to test respectively clutch assembly 4, for example,
Work as T1=2s；T2=1s；V be respectively equal to 2000r/min, 3000r/min, 4000r/min, 4500r/min,
5000r/min or 6500r/min；Under V each rotating speed, P be followed successively by 1455kpa, 2115kpa, 2314kpa and
During 3100kpa, totally 24 kinds of conditions, the fatigability of clutch assembly 4 is tested under the conditions of each, further ensures that clutch respectively
The objectivity of the test result of device assembly 4.Certainly, the test parameter in the present embodiment can in own range any value, and
And any collocation.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
- A kind of 1. clutch assembly fatigue test system, it is characterised in that including：Hydraulic means (1), including hydraulic oil container (101), hydraulic pump (102) and the first pressure regulator valve (104) being sequentially connected, it is described First pressure regulator valve (104) is connected with the first end of triple valve (105), and the end of triple valve (105) second passes through pressure pipeline (115) piston with the clutch assembly (4) is connected, for driving the piston to compress, the 3rd of the triple valve (105) the End is connected by return line (114) with the hydraulic oil container (101), and first end and the second end of the triple valve (105) connect Second end of logical or described triple valve (105) connects with the 3rd end；First pressure biography is also associated with the pressure pipeline (115) Sensor (106)；Resetting-mechanism (2), the resetting-mechanism (2) are used to drive the piston return；Drive mechanism (5), it is connected with the clutch assembly (4), the clutch assembly (4) can be driven to rotate, the drive The output speed of motivation structure (5) can adjust.
- A kind of 2. clutch assembly fatigue test system according to claim 1, it is characterised in that also include with it is described from The bearing block (3) of release bearing connection in clutch assembly (4), the bearing block (3) is provided with pressurization hydraulic fluid port (301), described 3rd end of triple valve (105) is connected with the pressurization hydraulic fluid port (301) by the pressure pipeline (115).
- A kind of 3. clutch assembly fatigue test system according to claim 1, it is characterised in that the hydraulic means (1) the second pressure sensor (107) for being respectively used to test the pressure and temperature of the hydraulic pump (102) output port is also included With the first temperature sensor (109).
- A kind of 4. clutch assembly fatigue test system according to claim 3, it is characterised in that the hydraulic means (1) also include may be contained within the second temperature sensor (110) and heater (111) in the hydraulic oil container (101).
- A kind of 5. clutch assembly fatigue test system according to claim 1, it is characterised in that the hydraulic pump (102) output end is connected by the second pressure regulator valve (113) with the lubrication hydraulic fluid port of the clutch assembly (4).
- A kind of 6. clutch assembly fatigue test system according to claim 1, it is characterised in that the resetting-mechanism (2) magnetic valve (201) being connected with the output end of the hydraulic pump (102) is included, and be connected with the magnetic valve (201) Hydraulic jack (202), the output end of the hydraulic jack (202) are connected with the piston, and for driving the piston return.
- A kind of 7. clutch assembly fatigue test system according to claim 1, it is characterised in that the drive mechanism (5) include high-speed electric expreess locomotive (51), connect the high-speed electric expreess locomotive (51) and the transmission component (53) of the clutch assembly (4), with The frequency converter (52) of high-speed electric expreess locomotive (51) connection, and the rotating speed of the rotating speed for testing the clutch assembly (4) pass Sensor (54).
- A kind of 8. clutch assembly fatigue test system according to claim 7, it is characterised in that the transmission component (53) include be connected with the clutch assembly (4) input splined shaft (531), on the splined shaft (531) First flute profile belt pulley (532), the second toothed belt wheel (533) on the high-speed electric expreess locomotive (51) output shaft and company Connect the flute profile belt (534) of the first flute profile belt pulley (532) and second toothed belt wheel (533).
- 9. a kind of clutch assembly fatigue test system according to claim 1, it is characterised in that also include alarm dress Put.
- 10. a kind of clutch assembly method for testing fatigue, it is characterised in that suitable for one described in claim any one of 1-9 Kind clutch assembly fatigue test system, including：S10：Clutch assembly (4) is cooled down, its surface and the temperature of inside is reached -40 DEG C~-20 DEG C；S20：Hydraulic pump (102) is pressurized, and pressure is adjusted into P by the first pressure regulator valve (104)；S30：Drive mechanism (5) driving clutch assembly (4) is operated with rotating speed V；S40：The first end of triple valve (105) is connected with the second end, and the second end and the 3rd end of triple valve (105) are closed, and are held Continuous time T1, hydraulic oil driving piston compression, T1 is pressing time；S50：The first end of triple valve (105) is closed with the second end, and the second end of triple valve (105) connects with the 3rd end, and holds Continuous time T2, T2 is venting duration；S60：The repeat step S40 and S50 in time T, if in time T, the numerical value of first pressure sensor (106) is in predetermined model In enclosing, clutch assembly (4) the fatigability test passes, if the numerical fluctuations of first pressure sensor (106) are beyond predetermined Scope, clutch assembly (4) the fatigability test failure, and stop testing.
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| CN110646197A (en) * | 2018-06-26 | 2020-01-03 | 株式会社神户制钢所 | Rotating machine abnormality processing device and rotating machine system |
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| CN113551906A (en) * | 2021-07-30 | 2021-10-26 | 博格华纳汽车零部件(北京)有限公司 | Pressure fluctuation testing device and method for hydraulic driving system |
| CN113776822A (en) * | 2021-09-22 | 2021-12-10 | 西安法士特汽车传动有限公司 | Torsion fatigue test system and method for separating clutch assembly |
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