CN207636299U - A kind of clutch assembly fatigue test system - Google Patents
A kind of clutch assembly fatigue test system Download PDFInfo
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- CN207636299U CN207636299U CN201721720615.7U CN201721720615U CN207636299U CN 207636299 U CN207636299 U CN 207636299U CN 201721720615 U CN201721720615 U CN 201721720615U CN 207636299 U CN207636299 U CN 207636299U
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- clutch assembly
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Abstract
The utility model is related to automobile manufacturing fields, specifically disclose a kind of clutch assembly fatigue test system and method, the test system includes hydraulic device, hydraulic device is for driving the piston in clutch assembly to be compressed, its output hydraulic pressure is adjustable, and hydraulic device includes the first pressure sensor of the hydraulic fluid pressure compressed for Test driver piston.The utility model drives the piston of clutch assembly to compress by hydraulic device, the actual working state of simulated clutch assembly, to realize that the fatigability to clutch assembly carries out integrated testability；And be compared with preset numerical value by the pressure value that first pressure sensor is fed back, judge whether there is a situation where fatigability test failures for each part inside clutch assembly.
Description
Technical field
The utility model is related to field of automobile more particularly to a kind of clutch assembly fatigue test systems.
Background technology
Clutch assembly is one of important component of automobile, equal to automobile manipulation stability and its riding comfort etc.
There are influence closely, the development of clutch assembly to have 100 years history for many years, the function of clutch assembly and effect
Effect be continuously improved and it is perfect.
Clutch assembly be automobile realize gearshift function critical component, if clutch assembly is broken down, gently if shadow
It rings the smooth gear shifting of speed changer, abnormal sound occur, it will cause speed changers to shift gears for weight.Therefore the tired longevity of clutch assembly
Life will directly affect the service life of speed changer, so in clutch assembly during designing and developing, fatigue life test is
It is essential.
Therefore a series of verification test is had to pass through before being applied to automobile 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, to the test of each part of clutch assembly generally by
The different test equipment of structure separately carries out, therefore existing test program is complicated, and cost is higher.
Utility model content
The purpose of this utility model is that：A kind of clutch assembly fatigue test system is provided, to solve in the prior art
The problem that clutch testing program is complicated, testing cost is high.
The utility model provides a kind of clutch assembly fatigue test system, and the internal piston of clutch assembly, which is equipped with, to be used for
The spring of the piston return is driven, including：
Hydraulic device, including sequentially connected hydraulic oil container, hydraulic pump and the first pressure regulator valve, first pressure regulator valve and three
The first end of port valve connects, and the triple valve second end is connect with the piston of the clutch assembly by pressure pipeline, is used for
The piston is driven to compress, the third end of the triple valve is connect by oil return line with the hydraulic oil container, the triple valve
First end be connected to second end or the second end of the triple valve is connected to third end；Is also associated on the pressure pipeline
One pressure sensor；
Resetting-mechanism, the resetting-mechanism are connect with the piston, and for driving the piston return.
Preferably, further including the bearing block being connect with the release bearing in the clutch assembly, on the bearing block
Equipped with pressurization hydraulic fluid port, the third end of the triple valve is connect with the pressurization hydraulic fluid port by the pressure pipeline.
Preferably, the hydraulic device further 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 device further includes the second temperature sensor that may be contained in the hydraulic oil container and adds
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
It connects.
Preferably, the resetting-mechanism includes the solenoid valve being connect with the output end of the hydraulic pump, and with it is described
The hydraulic cylinder of solenoid valve connection, the output end of the hydraulic cylinder are connect with the piston, and for driving the piston to return
Position.
Preferably, the hydraulic device further includes on the connecting line being mounted between the first pressure regulator valve and triple valve
Hydralic pressure gauge.
Preferably, the hydraulic device further includes the pressurization solenoid valve being connect with the hydraulic pump, the pressurization electromagnetism
Valve is for controlling the hydraulic pump compression hydraulic oil.
Preferably, further including warning device.
The beneficial effects of the utility model are：The piston compression that clutch assembly is driven by hydraulic device, passes through clutch
Spring and resetting-mechanism in device assembly drive piston return, pass through heater, the first temperature sensor and second temperature
The temperature of sensor adjustment hydraulic oil simultaneously ensures hydraulic fluid temperature between 110 DEG C~130 DEG C, total so as to simulated clutch
At actual working state and working environment, make fatigability test result more objective reality, realize to clutch assembly
The integrated testability of fatigability；And be compared with preset range by the pressure value that first pressure sensor is fed back, it can be anti-
Reflecting each part inside clutch assembly, whether there is a situation where fatigability test failures, can effectively be solved by above-mentioned setting
The problem that certainly clutch assembly test program is complicated, testing cost is high in the prior art.
Description of the drawings
Utility model Fig. 1 be in the utility model embodiment a kind of hydraulic device of clutch assembly fatigue test system and
The structural schematic diagram of resetting-mechanism.
In figure：
1, hydraulic device；101, hydraulic oil container；102, hydraulic pump；103, pressurize solenoid valve；104, the first pressure regulator valve；105、
Triple valve；106, first pressure sensor；107, second pressure sensor；108, third pressure sensor；109, the first temperature
Sensor；110, second temperature sensor；111, heater；112, hydralic pressure gauge；113, the second pressure regulator valve；114, oil return line；
115, pressure pipeline；116, lubricating pipe；
2, resetting-mechanism；201, solenoid valve；202, hydraulic cylinder；
3, bearing block；301, pressurize hydraulic fluid port；
4, clutch assembly.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The present embodiment provides a kind of clutch assembly fatigue test systems, as shown in Figure 1, including hydraulic device 1, automatically controlled
Device (attached to be not shown in figure), resetting-mechanism 2 and warning device (attached to be not shown in figure), hydraulic device 1 is pacified in the present embodiment
On workbench (attached to be not shown in figure).
As shown in Figure 1, release bearing and bearing block 3 connection of clutch assembly 4, the bearing block 3 are equipped with pressurization hydraulic fluid port
301, and the hydraulic fluid port 301 that pressurizes passes through the internal oil passages and clutch in the internal oil passages of bearing block 3 and clutch assembly 4
The cavity connection of piston in assembly 4.
As shown in Figure 1, hydraulic device 1 includes hydraulic oil container 101, hydraulic pump 102, and what is connect with electric control gear add
Pressure electromagnetic valve 103, the first pressure regulator valve 104, triple valve 105, first pressure sensor 106, second pressure sensor 107, third
Pressure sensor 108, the first temperature sensor 109, second temperature sensor 110 and heater 111.
The input terminal of hydraulic pump 102 is connect with hydraulic oil container 101, and output end is connect with the first pressure regulator valve 104, triple valve
105 first end is connect with the first pressure regulator valve 104, and third end is connected to by oil return line 114 with hydraulic oil container 101, triple valve
105 second end is connect by pressure pipeline 115 with the pressurization hydraulic fluid port 301 on bearing block 3.It should be noted that the present embodiment
In 105 preferred two-bit triplet solenoid valve of triple valve, to when first pressure regulator valve 104 of the connection of triple valve 105 and pressure pipeline 115
When, then will be off between triple valve 105 and oil return line 114, the load of hydraulic oil may be implemented at this time, specifically
, it at this time that is, the first end of triple valve 105 is connected to second end, is closed between second end and third end, in hydraulic pump 102
Under driving, hydraulic oil can enter in piston cavity, and piston is driven to compress.When triple valve 105 and the first pressure regulator valve 104
It is separated when, then between triple valve 105 and oil return line 114 will be in connected state, hydraulic oil may be implemented at this time
Unloading.Specifically, at this time that is, the first end of triple valve 105 is closed with second end, second end and the third end of triple valve 105 connect
Logical, oil return line 114 is connected to pressure pipeline 115, and the hydraulic pressure for acting on piston is released, and piston is in internal piston bullet
Return under the action of spring, pressurized pipeline 115, oil 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 preset moulding pressure numerical value.
Pressurization solenoid valve 103 is connect with hydraulic pump 102, and pressurization solenoid valve 103 can control hydraulic pump 102 and is 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 solenoid valve 103 that pressurizes
The control that pressurization solenoid valve 103 is pressurized hydraulic pump 102 is realized in connection and disconnection, and certain hydraulic pump 102 can also use electronic
Pump.
First pressure sensor 106 is used to test the oil pressure in pressure pipeline 115, when the clutch assembly 4 tested is tired
When labor qualification, the pressure value that first pressure sensor 106 feeds back to electric control gear can be in normal range, when being surveyed
When 4 fatigability of clutch assembly of examination is unqualified, such as：When the piston in clutch assembly 4 occurs damaged, cause to be loaded
When hydraulic fluid leak, the pressure of first pressure sensor 106 can be substantially reduced and exceed above-mentioned normal range.Thus carrying out
When 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 4 no fatigability of clutch assembly tests whether.It should be noted that preset range refers to,
Before test starts, the model of tested clutch assembly set on the memory of electric control gear in advance and corresponding 4 with
And the 106 normal pressure value fluctuation range of first pressure sensor under current test strip part.
Second pressure sensor 107 and the first temperature sensor 109 may be contained within the output port of hydraulic pump 102, respectively
For testing the pressure and temperature through 102 hydraulic oil after supercharged of hydraulic pump, third pressure sensor 108, second temperature sensing
Device 110 and heater 111 may be contained in hydraulic oil container 101, third pressure sensor 108 and second temperature sensor 110
It is respectively used to the pressure and temperature of hydraulic oil in test hydraulic oil container 101, in fatigability test process, the temperature of hydraulic oil is only
There is the actual temperature in simulating vehicle operational process, just can guarantee the objectivity of test result, therefore during the test, according to
The actual motion state of vehicle needs to control the temperature of hydraulic oil at 110 DEG C~130 DEG C, in the present embodiment, works as second temperature
The sensor 110 or temperature value of the first temperature sensor 109 feedback is gradually reduced and when close to 110 DEG C, electric control gear is controlled automatically
Heater 111 processed heats the hydraulic oil in hydraulic oil container 101, when the first temperature sensor 109 or second temperature sense
When the temperature value that device 110 is fed back is increased to close to 130 DEG C, electric control gear auto controlled heater 111 stops heating, so as to
To ensure to control the temperature 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 sensor 107 and third pressure sensor 108 are measured determines the size that hydraulic pump 102 is pressurized, and passes through
The difference of pressure value and preset pressurization 301 pressure value of hydraulic fluid port that second pressure sensor 107 measures, determines and needs
Pass through the size for the pressure value that the first pressure regulator valve 104 adjusts.
Preferably, hydraulic device 1 further includes hydralic pressure gauge 112, and hydralic pressure gauge 112 is mounted on the first pressure regulator valve 104 and triple valve
On connecting line between 105, can the person of being conveniently operated by hydralic pressure gauge 112 directly observe pressurization oil pressure actual numerical value.
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, to improve the efficiency of 4 fatigue detecting of clutch assembly, while saving the input quantity of equipment
With the area occupied in place.Specifically, can be according to the required pressurization oil pressure of 4 testing fatigue of clutch assembly and hydraulic pump
The quantity for the clutch assembly 4 that 102 concrete model determination can drive simultaneously.
Preferably, hydraulic device 1 further includes the second pressure regulator valve 113, one end and the hydraulic pump 102 of the second pressure regulator valve 113
Output end connects, and the other end is connect by lubricating pipe 116 with clutch assembly 4, and it is total to provide clutch by lubricating pipe 116
Required lubricating oil when mechanical part operating each at 4 inside.
Resetting-mechanism 2 includes solenoid valve 201 and hydraulic cylinder 202, and hydraulic oil container 101 is connected by pipeline and solenoid valve 201
It connects, solenoid valve 201 is connect by pipeline with hydraulic cylinder 202, and the output end of hydraulic cylinder 202 is connect 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 inner wall of piston cavity, can be used for piston return, but works as pressure release
When time is very short, only relying on the elastic force of spring itself can not necessarily ensure that piston is returned within the very short time
Position, at this point, can ensure piston fast and accurately return in venting duration by resetting-mechanism 2.
Preferably, further including warning device, warning device is connect 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. 4 testing fatigue of clutch assembly does not conform to
When lattice, electric control gear control warning device sends out alarm.
Preferably, further including monitoring device (attached to be not shown in figure), monitoring device includes four cameras and display
Device, four cameras are monitored from the Alignment stage of four direction all around of workbench, when 4 fatigability of clutch assembly
When the time of test is longer, by the way that monitoring device is arranged, test process whole process can be recorded, operator is avoided to stay in for a long time
Test site is manually monitored, and the labor intensity of operator is reduced, while having ensured the job safety of operator.
The present embodiment drives the piston of clutch assembly 4 to compress by hydraulic device 1, by the spring of internal piston and multiple
Position mechanism 2 drives the piston return of clutch assembly 4, passes through heater 111, the first temperature sensor 109 and second temperature
Sensor 110 adjusts the temperature of hydraulic oil and ensures hydraulic fluid temperature between 110 DEG C~130 DEG C, so as to simulate clutch
The actual working state and working environment of device assembly 4, the result more objective reality for making fatigability test, and realize to clutch
The fatigability of assembly 4 carries out integrated testability；The pressure value fed back by first pressure sensor 106 is compared with preset range
It is right, it can reflect whether there is a situation where fatigability test failures for the 4 each part in inside of clutch assembly, solve existing skill
The problem that clutch assembly test program is complicated in art, testing cost is high.
The present embodiment also provides a kind of clutch assembly method for testing fatigue, as shown in Figure 1, being applicable in this present embodiment
A kind of clutch assembly fatigue test system, including：
S10：Clutch assembly 4 is cooled down, its surface and the temperature of inside is made to reach -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 is used at northern winter, to the data more objective reality for making 4 fatigability of clutch assembly test.
S11：Moulding pressure P, pressing time T1, venting duration T2, first pressure are preset on the memory of electric control gear
The temperature value t1 of the startup heating of the preset range, heater 111 of sensor 106, the temperature of the stopping heating of heater 111
The injection pressure P1 of value t2 and lubricating oil.
S20：The solenoid valve 103 that pressurizes starts, and hydraulic pump 102 is pressurized, and by the first pressure regulator valve 104 by pressure tune
It is whole to arrive P, the temperature of the hydraulic oil for lubrication is adjusted to by P1 by the second pressure regulator valve 113；
S30：Pipeline connection between the input terminal of triple valve 105 and the first pressure regulator valve 104 and with hydraulic oil container 101 it
Between oil return line 114 close, hydraulic oil drives piston compression, and duration T 1, T1 are pressing time；
In step s 30, the hydraulic oil that pressure is P enters axis through triple valve 105, pressure pipeline 115, pressurization hydraulic fluid port 301
Bearing 3, and entered in piston cavity by the internal oil passages of the internal oil passages of bearing block 3 and clutch assembly 4, driving is lived
Plug compression, and continue the T1 times.
S40：Oil return line 114 between the input terminal of triple valve 105 and hydraulic oil container 101 be connected to and with the first pressure regulation
Pipeline between valve 104 is closed, and duration T 2, T2 are venting duration；
In step s 40, electric control gear control solenoid valve 201 is opened, and the spring in hydraulic cylinder 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 oil return line 114
In hydraulic oil container 101, the unloading of hydraulic oil is realized.
S50：Step S30 and S40 are repeated in time T, if in time T, the numerical value of first pressure sensor 106 is pre-
Determine in range, 4 fatigability test passes of clutch assembly, if the numerical fluctuations of first pressure sensor 106 exceed predetermined model
It encloses, 4 fatigability test failure of clutch assembly, and stops testing.
In step s 50, if the fatigability test failure of clutch assembly 4, electric control gear also controls warning device hair
Go out alarm.
It should be noted that in above-mentioned steps S20~S50, 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 is carried out to the hydraulic oil in hydraulic oil container 101
Heating, 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, 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 4 fatigability of clutch assembly 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 respectively can test clutch assembly 4 by the way that multigroup parameter is arranged, for example,
Work as T1=2s；T2=1s；When P can be followed successively by 1455kpa, 2115kpa, 2314kpa and 3100kpa, totally 4
Kind condition, tests the fatigability of clutch assembly 4 under the conditions of each respectively, further ensures that the test knot of clutch assembly 4
The objectivity of fruit.Certainly, the test parameter in the present embodiment can in own range arbitrary value, and arbitrarily arrange in pairs or groups.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (9)
1. the internal piston of a kind of clutch assembly fatigue test system, clutch assembly (4) is equipped with for driving the piston
The spring of return, which is characterized in that including：
Hydraulic device (1), including sequentially connected hydraulic oil container (101), hydraulic pump (102) and the first pressure regulator valve (104), it is described
First pressure regulator valve (104) is connect with the first end of triple valve (105), and triple valve (105) second end passes through pressure pipeline
(115) it is connect with the piston of the clutch assembly (4), for driving the piston to compress, the third of the triple valve (105)
End is connect by oil return line (114) with the hydraulic oil container (101), and first end and the second end of the triple valve (105) connect
The second end of the logical or described triple valve (105) is connected to third end；First pressure biography is also associated on the pressure pipeline (115)
Sensor (106)；
Resetting-mechanism (2), the resetting-mechanism (2) connect with the piston, and for driving the piston return.
2. a kind of clutch assembly fatigue test system according to claim 1, which is characterized in that further include with it is described from
The bearing block (3) of release bearing connection in clutch assembly (4), the bearing block (3) is equipped with pressurization hydraulic fluid port (301), described
The third end of triple valve (105) is connect with the pressurization hydraulic fluid port (301) by the pressure pipeline (115).
3. a kind of clutch assembly fatigue test system according to claim 1, which is characterized in that the hydraulic device
(1) further include the second pressure sensor (107) for being respectively used to test the pressure and temperature of the hydraulic pump (102) output port
With the first temperature sensor (109).
4. a kind of clutch assembly fatigue test system according to claim 3, which is characterized in that the hydraulic device
(1) further include that may be contained within the second temperature sensor (110) in the hydraulic oil container (101) and heater (111).
5. a kind of clutch assembly fatigue test system according to claim 1, which is characterized in that the hydraulic pump
(102) output end is connect by the second pressure regulator valve (113) with the lubrication hydraulic fluid port of the clutch assembly (4).
6. a kind of clutch assembly fatigue test system according to claim 1, which is characterized in that the resetting-mechanism
(2) include the solenoid valve (201) being connect with the output end of the hydraulic pump (102), and connect with the solenoid valve (201)
The output end of hydraulic cylinder (202), the hydraulic cylinder (202) is connect with the piston, and for driving the piston return.
7. a kind of clutch assembly fatigue test system according to claim 1, which is characterized in that the hydraulic device
(1) further include the hydralic pressure gauge (112) on the connecting line between the first pressure regulator valve (104) and triple valve (105).
8. a kind of clutch assembly fatigue test system according to claim 7, which is characterized in that the hydraulic device
(1) further include the pressurization solenoid valve (103) being connect with the hydraulic pump (102), the pressurization solenoid valve (103) is for controlling institute
State hydraulic pump (102) compression hydraulic oil.
9. a kind of clutch assembly fatigue test system according to claim 1, which is characterized in that further include alarm dress
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720615.7U CN207636299U (en) | 2017-12-12 | 2017-12-12 | A kind of clutch assembly fatigue test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720615.7U CN207636299U (en) | 2017-12-12 | 2017-12-12 | A kind of clutch assembly fatigue test system |
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| Publication Number | Publication Date |
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| CN207636299U true CN207636299U (en) | 2018-07-20 |
Family
ID=62862954
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| CN201721720615.7U Active CN207636299U (en) | 2017-12-12 | 2017-12-12 | A kind of clutch assembly fatigue test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072523A (en) * | 2017-12-12 | 2018-05-25 | 上海交运汽车动力系统有限公司 | A kind of clutch assembly fatigue test system and method |
-
2017
- 2017-12-12 CN CN201721720615.7U patent/CN207636299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072523A (en) * | 2017-12-12 | 2018-05-25 | 上海交运汽车动力系统有限公司 | A kind of clutch assembly fatigue test system and method |
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