CN102033015B - Low-temperature test system and method for clutch slave pump - Google Patents
Low-temperature test system and method for clutch slave pump Download PDFInfo
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- CN102033015B CN102033015B CN201010549660A CN201010549660A CN102033015B CN 102033015 B CN102033015 B CN 102033015B CN 201010549660 A CN201010549660 A CN 201010549660A CN 201010549660 A CN201010549660 A CN 201010549660A CN 102033015 B CN102033015 B CN 102033015B
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- 238000012360 testing method Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title description 2
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 238000010998 test method Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000012634 fragment Substances 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 15
- 239000003208 petroleum Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 239000004575 stone Substances 0.000 description 3
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Abstract
The invention discloses a low-temperature test system for a clutch slave cylinder, comprising a dynamic part and a low-temperature test box which are arranged in a matching way. The dynamic part comprises an electric motor, a belt, a speed reducer and a transmission mechanism which are arranged in a matching way, and the low-temperature test box comprises a refrigerator, a push rod, a braking master cylinder, a low-temperature test box, a clamp, a coaxial clutch slave cylinder, a friction plate tab and a rotating shaft. The invention also discloses a low-temperature test method for the clutch slave cylinder. The low-temperature test system simulates the use field of the clutch slave cylinder and is used for the low-temperature test, the low-temperature static seal test and the high-temperature static seal test of the clutch slave cylinder so that the oil leakage of the clutch slave cylinder can be tested. The low-temperature test system is simple in structure, is easy to operate and ensures accurate test result and high test efficiency.
Description
Technical field
The present invention relates to a kind of pilot system field of clutch slave cylinder, relate in particular to a kind of low-temperature test system of clutch slave cylinder.
The invention still further relates to the test method of the low-temperature test system of clutch slave cylinder.
Background technology
The clutch slave cylinder that uses in the present automobile operation mechanism is to make and directly is used for automobile operation mechanism after good, and clutch slave cylinder leakage of oil occurs after using in the course of the work easily, makes that the clutch effect is undesirable, even can cause traffic hazard.And domestic oil leakage phenomenon to coaxial clutch slave cylinder does not also have perfect checking system and the test stone of a cover at present; Make relevant producer after using how many times, just occur leakage of oil easily to the clutch slave cylinder of its manufacturing; So that the prompting user checks clutch slave cylinder in due course or changes, take place to avoid unnecessary accident.
Therefore for the quality that guarantees clutch slave cylinder, accomplish responsible attitude to the consumer; The checking system and the test stone of the perfect oil leakage phenomenon of a cover is badly in need of in the manufacturer of the clutch slave cylinder that we are domestic, especially the checking system and the test stone that are enclosed within the low temperature environment.
Summary of the invention
The technical matters that the present invention will solve is in order to overcome technological deficiency recited above, and a kind of clutch slave cylinder low-temperature test system is provided, and the test method of this clutch slave cylinder low-temperature test system also is provided simultaneously.
In order to solve technical matters recited above, the present invention takes following technical scheme:
The present invention provides a kind of clutch slave cylinder low-temperature test system; Include and cooperate power section, the low-temperature test chamber part of installing; Power section comprises that cooperating motor, belt, speed reduction unit and the gear train of installing, motor to pass through belt drives speed reduction unit and gear train action; Low-temperature test chamber partly includes refrigerator, push rod, master cylinder, low-temperature test chamber, anchor clamps, coaxial clutch slave cylinder, friction disc shell fragment and turning axle; On the low-temperature test chamber sidewall master cylinder is installed; Push rod is installed with gear train and is connected; Push rod drives the piston motion of master cylinder; Anchor clamps clamp coaxial clutch slave cylinder, friction disc shell fragment and the turning axle of cooperate installing, and the oil-out of master cylinder connects the oil supply hole of coaxial clutch slave cylinder rear end through petroleum pipeline, and the release bearing end face of coaxial clutch slave cylinder is close to the friction disc shell fragment.
Described gear train further includes on the cam that is installed in speed reduction unit, the cam connecting rod is installed, the center that the mounting points of connecting rod on cam departs from cam, and push rod cooperates installation with connecting rod.
Described refrigerator is the freon refrigeration device.
Described power section also includes temperature and pressure control panel, and is provided with tensimeter, humidostat sum counter.
The present invention also provides clutch slave cylinder low-temperature test method, after power section and low-temperature test chamber partly assemble, coaxial clutch slave cylinder to be tested is installed on the anchor clamps of low-temperature test chamber part, also comprises the steps:
The temperature of low-temperature test chamber part was reduced to-40 ± 3 ℃ in 16～20 hours; Be reduced to-40 ± 3 ℃ in preferred 18 hours.
Start the motor of power section,, drive speed reduction unit and cam through the transmission of belt; Drive pushrod movement by the connecting rod that is installed on the cam again, push rod promotes the piston advances forward of master cylinder, produces the hydraulic pressure greater than 3.5MPa; Promote the release bearing motion of coaxial clutch slave cylinder; After release bearing moves the number of times of setting continuously, observe the leakage of oil situation of coaxial clutch slave cylinder, low-temperature test finishes.
The motion frequency of described push rod is 250 ± 25 times/hour; The continuous number of run of setting of release bearing is 45～60 times.The continuous number of run of preferable separate bearing is 50 times
The coaxial clutch slave cylinder to be tested that is installed on the anchor clamps is through hot test and the coaxial clutch slave cylinder after test of high pressure static leakage and the test of low pressure static leakage.
Described coaxial clutch slave cylinder is placed in the anchor clamps of low-temperature test chamber part after hot test and height, the test of pressure static leakage immediately.
The use of analog coaxial clutch slave cylinder of the present invention is on-the-spot, and low-temperature test, the test of low pressure static sealing, the test of high pressure static sealing of coaxial clutch slave cylinder can be provided.Test the oil leakage phenomenon of coaxial clutch slave cylinder, simple in structure, method of operating is simple and easy, and its testing result is accurate, efficient is high.
Description of drawings
Fig. 1 is the structural representation of clutch slave cylinder low-temperature test system.
Fig. 2 is the structural representation of clutch slave cylinder hot test system.
Among the figure, 1. power section, 11. motor, 12. belts, 13. speed reduction units, 14. cams, 15. connecting rods, 16. temperature and pressure control panel, 161. figure show tensimeter, 162. quantity tensimeters, 163. counters, 164. humidostats, 2. low-temperature test chamber part, 21. low-temperature test chambers, 22. refrigerators, 23. push rods, 24. master cylinders, 25. petroleum pipelines, 26. anchor clamps, 27. coaxial clutch slave cylinders, 28. friction disc shell fragments, 29. turning axles, 3. rotating mechanism, 31. turning motors, 32. rotate belts, 4. high-temperature test chamber part, 41. high-temperature test chambers, 42. well heaters,
Embodiment
See also Fig. 1; As shown in the figure; Clutch slave cylinder low-temperature test system includes the power section 1 of cooperate installing, and low-temperature test chamber part 2; Power section 1 comprises motor 11, belt 12, speed reduction unit 13 and the gear train that cooperates installation, and motor 11 drives speed reduction units 13 and gear train action through belt 12; Gear train includes on the cam 14 that is installed on the speed reduction unit 13, the cam 14 and connecting rod 15 is installed, the center that the mounting points of connecting rod 15 on cam 14 departs from cam 14; Low-temperature test chamber part 2 includes low-temperature test chamber 21, refrigerator 22, push rod 23, master cylinder 24, anchor clamps 26, coaxial clutch slave cylinder 27, friction disc shell fragment 28 and turning axle 29; Refrigerator 22 is the freon refrigeration device, places low-temperature test chamber; Master cylinder 24 is installed on the sidewall of low-temperature test chamber 21; Push rod 23 cooperates to install with connecting rod 15 and is connected; Push rod 23 drives the piston motion of master cylinder 24; Anchor clamps 26 clamp and cooperate coaxial clutch slave cylinder 27, friction disc shell fragment 28 and the turning axle of installing 29, and the oil-out of master cylinder 24 is through the oil supply hole of the coaxial clutch slave cylinder of petroleum pipeline 25 connections 27 rear ends, and the release bearing end face is close to friction disc shell fragment 28.Power section also includes temperature and pressure control panel 16, and is provided with the apparent tensimeter 161 of figure, digital display manometer 162, humidostat 164 sum counters 163, and wherein humidostat is the digital display humidostat, and counter is the digital display counter.
The test method of clutch slave cylinder low-temperature test system is: after power section and low-temperature test chamber partly assemble, coaxial clutch slave cylinder to be tested is installed on the anchor clamps of low-temperature test chamber part, is also comprised the steps:
The temperature of low-temperature test chamber part is reduced to-40 ± 3 ℃ in 16～20 hours, preferably in 18 hours, is being reduced to-40 ± 3 ℃;
Start the motor of power section,, drive speed reduction unit and cam through the transmission of belt; Drive pushrod movement by the connecting rod that is installed on the cam again, push rod promotes the piston advances forward of master cylinder, produces hydraulic pressure; Promote the release bearing motion of coaxial clutch slave cylinder; After release bearing moves the number of times of setting continuously, observe the leakage of oil situation of coaxial clutch slave cylinder, low-temperature test finishes.
The motion frequency of described push rod is 250 ± 25 times/hour;
The continuous number of run of setting of release bearing is 45～60 times, and the number of times of preferred settings is 50 times.
The coaxial clutch slave cylinder to be tested that is installed on the anchor clamps is through hot test and the coaxial clutch slave cylinder after test of high pressure static leakage and the test of low pressure static leakage.
Described coaxial clutch slave cylinder is placed in the anchor clamps of low-temperature test chamber part after hot test and height, the test of pressure static leakage immediately.
The principle of work of clutch slave cylinder low-temperature test of the present invention system is:
(1) with the coaxial clutch slave cylinder after the hot test after high and low pressure static leakage test, be placed on immediately in the anchor clamps of low-temperature test chamber part, do not allow the temperature of coaxial clutch slave cylinder is returned to room temperature;
(2) start low-temperature test chamber refrigerator refrigeration partly, in 18 hours, low-temperature test chamber temperature partly is reduced to-40 ± 3 ℃;
(3) motor starting of power section through belt gear, drives speed reduction unit and cam; Drive push rod by connecting rod again, promote brake master cylinder piston and travel forward, produce greater than 3.5MPa hydraulic pressure; Promote the motion of wheel cylinder release bearing; After moving 50 times continuously, stop low-temperature test, observe also record leakage.
Wherein hot test and height, the test of pressure static leakage reach and in clutch slave cylinder hot test system, carry out; The hot test system of clutch slave cylinder is as shown in Figure 2; Clutch slave cylinder hot test system includes and cooperates power section 1, high-temperature test chamber part 4 and the rotating mechanism of installing 3; Power section 1 comprises motor 11, belt 12, speed reduction unit 13 and the gear train that cooperates installation, and motor 11 drives speed reduction units 13 and gear train action through belt 12; Gear train includes on the cam 14 that is installed on the speed reduction unit 13, the cam 14 and connecting rod 15 is installed, the center that the mounting points of connecting rod 15 on cam 14 departs from cam 14; High-temperature test chamber part 4 include high-temperature test chamber 41, well heater 42,, push rod 23, master cylinder 24, anchor clamps 26, coaxial clutch slave cylinder 27, friction disc shell fragment 28 and turning axle 29; Master cylinder 24 is installed on the sidewall of high-temperature test chamber 41; Push rod 23 cooperates to install with connecting rod 15 and is connected; Push rod 23 drives the piston motion of master cylinder 24; Anchor clamps 26 clamp and cooperate coaxial clutch slave cylinder 27, friction disc shell fragment 28 and the turning axle of installing 29; The oil-out of master cylinder 24 connects the oil supply hole of coaxial clutch slave cylinder 27 rear ends through petroleum pipeline 25, and the release bearing of coaxial clutch slave cylinder 27 connects turning axle 29, and the release bearing end face is close to and is provided with friction disc shell fragment 28; The front end of turning axle 29 connects rotating mechanism, and rotating mechanism includes turning motor 31 and rotation belt 32, and turning motor 31 rotates through rotation belt 32 driven rotary axles 29; Power section also includes temperature and pressure control panel 16, and is provided with the apparent tensimeter 161 of figure, digital display manometer 162, humidostat 164 sum counters 163, and wherein humidostat is the digital display humidostat, and counter is the digital display counter.
The principle of work of clutch slave cylinder hot test system is: (1) with coaxial clutch slave cylinder be placed on the anchor clamps clamping good after, make the clutch release bearing end face be close to the friction disc shell fragment, make oil supply hole pass through petroleum pipeline simultaneously and connect with master cylinder.In 6 hours, in the high-temperature test chamber part, temperature is heated to 120 ± 5 ℃, begin test then;
(2) first motor starting of power section through first belt gear, drives speed reduction unit and cam; Drive push rod by connecting rod again, promote brake master cylinder piston and travel forward, produce greater than 3.5MPa hydraulic pressure; Promote the motion of wheel cylinder release bearing, stir the friction disc shell fragment, move 70,000 continuously surplus time;
(3) every at a distance from one hour starting rotating mechanism, drive the rotation of wheel cylinder release bearing, the leakage of oil situation of observing coaxial clutch slave cylinder stops hot test.
The use of the coaxial clutch slave cylinder of low-temperature test system simulation of the present invention is on-the-spot, and the test of the low-temperature test of coaxial clutch slave cylinder and the low pressure static sealing under the cryogenic conditions, the test of high pressure static sealing can be provided.
Simultaneously, hot test system can provide the test of low pressure static sealing, the test of high pressure static sealing under free return stroke test, the test of low pressure static leakage, the test of high pressure static leakage, hot test and the hot conditions of coaxial clutch slave cylinder.
Adopting coaxial clutch slave cylinder low-temperature test of the present invention system is that the coaxial clutch slave cylinder of 3049/JD377 makes an experiment to the model of Wuhu Juda Auto Parts Co., Ltd.,
Clutch slave cylinder low-temperature test system test parameter: temperature is a low temperature-40 ± 3 ℃; The frequency of impact of low-temperature test is 250 ± 50 to execute/put circulation (motion frequency that is push rod is 250 ± 50 times/hour); Divide pump stroke 18mm; Pressure 4.8MPa.
Its test report such as following table:
Claims (9)
1. clutch slave cylinder low-temperature test system; It is characterized in that: include the power section, the low-temperature test chamber part that cooperate installation; Power section comprises that cooperating motor, belt, speed reduction unit and the gear train of installing, motor to pass through belt drives speed reduction unit and gear train; Low-temperature test chamber partly includes refrigerator, push rod, master cylinder, low-temperature test chamber, anchor clamps, friction disc shell fragment and turning axle; On the low-temperature test chamber sidewall master cylinder is installed; Push rod is installed with gear train and is connected; Push rod drives the piston of master cylinder; Anchor clamps clamp and cooperate coaxial clutch slave cylinder to be tested, friction disc shell fragment and the turning axle of installing, and the oil-out of master cylinder is through the oil supply hole of petroleum pipeline connection coaxial clutch slave cylinder rear end to be tested, and the release bearing end face of coaxial clutch slave cylinder to be tested is close to the friction disc shell fragment.
2. clutch slave cylinder low-temperature test as claimed in claim 1 system; It is characterized in that: described gear train further includes on the cam that is installed in speed reduction unit, the cam connecting rod is installed; The center that the mounting points of connecting rod on cam departs from cam, push rod cooperate installation with connecting rod.
3. clutch slave cylinder low-temperature test as claimed in claim 1 system, it is characterized in that: described refrigerator is the freon refrigeration device.
4. like the arbitrary described clutch slave cylinder low-temperature test of claim 1 to 3 system, it is characterized in that: described power section also includes temperature and pressure control panel, and is provided with tensimeter, humidostat sum counter.
5. like the test method of the arbitrary described clutch slave cylinder low-temperature test of claim 1 to 4 system; It is characterized in that: after power section and low-temperature test chamber partly assemble; Coaxial clutch slave cylinder to be tested is installed on the anchor clamps of low-temperature test chamber part, is also comprised the steps:
The temperature of low-temperature test chamber part was reduced to-40 ± 3 ℃ in 16～20 hours;
Start the motor of power section,, drive speed reduction unit and cam through the transmission of belt; Drive pushrod movement by the connecting rod that is installed on the cam again, push rod promotes the piston advances forward of master cylinder, produces the hydraulic pressure greater than 3.5MPa; Promote the release bearing motion of coaxial clutch slave cylinder; After release bearing moves the number of times of setting continuously, observe the leakage of oil situation of coaxial clutch slave cylinder, low-temperature test finishes.
6. the test method of clutch slave cylinder low-temperature test as claimed in claim 5 system, it is characterized in that: the motion frequency of described push rod is 250 ± 25 times/hour.
7. the test method of clutch slave cylinder low-temperature test as claimed in claim 5 system, it is characterized in that: the continuous number of run of the release bearing of setting is 45～60 times.
8. the test method of clutch slave cylinder low-temperature test as claimed in claim 5 system is characterized in that: be installed in coaxial clutch slave cylinder to be tested on the anchor clamps for through hot test and the coaxial clutch slave cylinder after testing through test of high pressure static leakage and low pressure static leakage.
9. the test method of clutch slave cylinder low-temperature test as claimed in claim 8 system is characterized in that: described coaxial clutch slave cylinder is placed in the anchor clamps of low-temperature test chamber part after hot test and height, the test of pressure static leakage immediately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010549660A CN102033015B (en) | 2010-11-18 | 2010-11-18 | Low-temperature test system and method for clutch slave pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010549660A CN102033015B (en) | 2010-11-18 | 2010-11-18 | Low-temperature test system and method for clutch slave pump |
Publications (2)
| Publication Number | Publication Date |
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| CN102033015A CN102033015A (en) | 2011-04-27 |
| CN102033015B true CN102033015B (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010549660A Expired - Fee Related CN102033015B (en) | 2010-11-18 | 2010-11-18 | Low-temperature test system and method for clutch slave pump |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983406A (en) * | 2014-05-07 | 2014-08-13 | 青岛双凌科技设备有限公司 | Low-temperature seal performance testing device for automobile brake rubber packing cup |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960012080B1 (en) * | 1993-11-06 | 1996-09-12 | 주식회사 기아정기 | Durability Tester of Vehicle Clutch Release Cylinder |
| KR100224415B1 (en) * | 1996-12-27 | 1999-10-15 | 정몽규 | Testing system and testing method for master cylinder of clutch in a car |
| DE10309192B4 (en) * | 2003-03-03 | 2005-09-15 | Tmd Friction Gmbh | Testing device for brake and clutch linings |
| CN201438146U (en) * | 2009-07-28 | 2010-04-14 | 广西玉柴机器股份有限公司 | Engine low temperature test system |
| CN101793602B (en) * | 2010-03-31 | 2012-08-22 | 浙江铁流离合器股份有限公司 | Subjective assessment test bench and test method for operating performance of clutches |
| CN201892607U (en) * | 2010-11-18 | 2011-07-06 | 芜湖聚达汽车零部件有限公司 | Low-temperature test system of clutch slave cylinder |
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Granted publication date: 20120912 Termination date: 20131118 |