CN101750213A - Heating and loading fatigue test device for high-pressure joint bearing of engine - Google Patents
Heating and loading fatigue test device for high-pressure joint bearing of engine Download PDFInfo
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- CN101750213A CN101750213A CN200810229509A CN200810229509A CN101750213A CN 101750213 A CN101750213 A CN 101750213A CN 200810229509 A CN200810229509 A CN 200810229509A CN 200810229509 A CN200810229509 A CN 200810229509A CN 101750213 A CN101750213 A CN 101750213A
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Abstract
The invention provides a heating and loading fatigue test device for a high-pressure joint bearing of an engine. The test device comprises a motor, a connecting rod, a long shaft, a wire rope, a pulley, a heating furnace, a poise, a frame and an electric control part, wherein the frame is divided into a frame upper part and a frame lower part; the electric control part is arranged on the right side of the upper surface of the frame lower part; the motor is arranged on the right side of the frame upper part, the motor is connected with the electric control part by a wire, and an output shaft of the motor is connected with the connecting rod; the long shaft is arranged in the frame upper part in a mode of movable connection; one end of the wire rope is connected with the long shaft, the pulley is arranged on the left side of the frame upper part, the wire rope winds round the pulley and passes through the upper surface of the frame upper part, and the other end of the wire rope is connected with the poise; and one end of a test piece is connected with the connecting rod, and the other end of the test piece is connected with the long shaft. The test device has the advantages of providing the important data for prolonging the service life of the joint bearing and providing the important data for prolonging the service life of the joint bearing of a high-pressure operating mechanism, along with good effect, low cost, simple structure and wide market prospect.
Description
Technical field
The present invention relates to mechanical structure field, a kind of heating and loading fatigue test device of high-pressure joint bearing of engine is provided especially.
Background technology
The engine control oscillating bearing is to be applied to one of pass, heavy mail on the engine, and its main effect is an angle of adjusting 3 grades of high-voltage rectifying blades when engine operation.Therefore, it is the part that bears high temperature, top load, in accordance with regulations the same life-span of oscillating bearing entire life and engine.Do not have the correlation test device in the middle of the equipment in the past, be difficult to measure the intensity of oscillating bearing.
Summary of the invention
The objective of the invention is provides a kind of heating and loading fatigue test device of high-pressure joint bearing of engine in order accurately to measure the intensity of oscillating bearing.
The invention provides a kind of heating and loading fatigue test device of high-pressure joint bearing of engine, it is characterized in that: the heating and loading fatigue test device of described high-pressure joint bearing of engine, comprise motor 1, connecting rod 2, major axis 3, wire rope 4, pulley 5, pot arch 6, counterweight 7, framework 8, automatically controlled part 9;
Wherein: framework 8 is divided into framework upper 801 and framework bottom 802, automatically controlled part 9 is installed in the upper right of framework bottom 802, motor 1 is installed in the right side of framework upper 801, motor 1 is connected with automatically controlled part 9 by lead, the output shaft of motor 1 links to each other with connecting rod 2, major axis 3 is installed in framework upper 801 inside with movable ways of connecting, one end of wire rope 4 is connected with major axis 3, pulley 5 is installed in the left side of framework upper 801, wire rope 4 walk around pulley 5 and pass framework upper 801 above, the other end of wire rope 4 is connected with counterweight 7, and an end of test specimen 10 is connected with connecting rod 2, and the other end of test specimen 10 is connected with major axis 3.
The heating and loading fatigue test device of described high-pressure joint bearing of engine is characterized in that: described test specimen 10 comprises oscillating bearing 101 and tooth bar 102.
Working temperature: 250 ℃, temperature is controlled automatically by temperature thermocouple and attemperating unit; Load (pulling force): 300 kilograms, by 300 kilograms of load of automaton drive motor pull-up, when the oscillating bearing anglec of rotation: behind the 20-30 degree, motor is oppositely put back to 300 kilograms of load; Load number of times: 1700 times, by counter accumulative total and show.
This exerciser will guarantee 250 ℃ of constant temperature, and attemperating unit will constantly carry out the temperature adjustment.In the loading procedure, motor will have enough power, 300 kilograms of load of pull-up, and connecting rod drives oscillating bearing rotation 25 degree.
Principle of work:
By the rotation of driven by motor pitman shaft, the other end of connecting rod connects the tooth bar that oscillating bearing is housed.When connecting rod drive oscillating bearing moves upward, the drive oscillating bearing is pulled upwardly the other end slender axles is housed, be with the wire rope of 300 kilograms of load on the axle, slender axles are through in the level trough of casing, when motor rotates, slender axles slide in groove, guarantee that oscillating bearing does not rotate, and pull-up 25 degree angles.Make motor reversing, unloading by control system then, a loop ends, and note down.
Motor is connected with shaft coupling, shaft joint connects pitman shaft (key connection), pitman shaft is connected (key connection) with connecting rod, the other end of connecting rod is connected interference fit with an axle with oscillating bearing, oscillating bearing connects wire rope with major axis, major axis in the cannelure of casing the parallel sliding wire rope through 300 kilograms of counterweights of pulley pull-up.When motor rotated, the axle that shaft joint drive to connect connecting rod rotated, and the pitman shaft drivening rod rotates, the axle and the oscillating bearing interference fit of connecting rod, so the axle of oscillating bearing does not rotate, and bearing rotates in oscillating bearing.After motor rotated 30 degree angles, oscillating bearing will be by wire rope with 300 kilograms of weight pull-ups; The origin-location is got back in motor counter-rotating then, and 300 kilograms of weights are replaced.
Advantage of the present invention:
The heating and loading fatigue test device effect of high-pressure joint bearing of engine of the present invention is better, and lengthening the life for oscillating bearing provides significant data.Finished design, the test of high pressure catanator oscillating bearing exerciser, obtained desirable effect, lengthened the life, significant data is provided for high pressure catanator oscillating bearing.Cost is low, and is simple in structure, has extensive market prospects.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is the heating and loading fatigue test device sketch of oscillating bearing;
Fig. 2 is an oscillating bearing assembly synoptic diagram.
Embodiment
Embodiment 1
Present embodiment provides a kind of heating and loading fatigue test device of high-pressure joint bearing of engine, it is characterized in that: the heating and loading fatigue test device of described high-pressure joint bearing of engine, comprise motor 1, connecting rod 2, major axis 3, wire rope 4, pulley 5, pot arch 6, counterweight 7, framework 8, automatically controlled part 9;
Wherein: framework 8 is divided into framework upper 801 and framework bottom 802, automatically controlled part 9 is installed in the upper right of framework bottom 802, motor 1 is installed in the right side of framework upper 801, motor 1 is connected with automatically controlled part 9 by lead, the output shaft of motor 1 links to each other with connecting rod 2, major axis 3 is installed in framework upper 801 inside with movable ways of connecting, one end of wire rope 4 is connected with major axis 3, pulley 5 is installed in the left side of framework upper 801, wire rope 4 walk around pulley 5 and pass framework upper 801 above, the other end of wire rope 4 is connected with counterweight 7, and an end of test specimen 10 is connected with connecting rod 2, and the other end of test specimen 10 is connected with major axis 3.
The heating and loading fatigue test device of described high-pressure joint bearing of engine is characterized in that: described test specimen 10 comprises oscillating bearing 101 and tooth bar 102.
Working temperature: 250 ℃, temperature is controlled automatically by temperature thermocouple and attemperating unit;
Load (pulling force): 300 kilograms, by 300 kilograms of load of automaton drive motor pull-up, when the oscillating bearing anglec of rotation: behind the 20-30 degree, motor is oppositely put back to 300 kilograms of load;
Load number of times: 1700 times, by counter accumulative total and show.
This exerciser will guarantee 250 ℃ of constant temperature, and attemperating unit will constantly carry out the temperature adjustment.In the loading procedure, motor will have enough power, 300 kilograms of load of pull-up, and connecting rod drives oscillating bearing rotation 25 degree.
Principle of work:
By the rotation of driven by motor pitman shaft, the other end of connecting rod connects the tooth bar that oscillating bearing is housed.When connecting rod drive oscillating bearing moves upward, the drive oscillating bearing is pulled upwardly the other end slender axles is housed, be with the wire rope of 300 kilograms of load on the axle, slender axles are through in the level trough of casing, when motor rotates, slender axles slide in groove, guarantee that oscillating bearing does not rotate, and pull-up 25 degree angles.Make motor reversing, unloading by control system then, a loop ends, and note down.
Motor is connected with shaft coupling, shaft joint connects pitman shaft (key connection), pitman shaft is connected (key connection) with connecting rod, the other end of connecting rod is connected interference fit with an axle with oscillating bearing, oscillating bearing connects wire rope with major axis, major axis in the cannelure of casing the parallel sliding wire rope through 300 kilograms of counterweights of pulley pull-up.When motor rotated, the axle that shaft joint drive to connect connecting rod rotated, and the pitman shaft drivening rod rotates, the axle and the oscillating bearing interference fit of connecting rod, so the axle of oscillating bearing does not rotate, and bearing rotates in oscillating bearing.After motor rotated 30 degree angles, oscillating bearing will be by wire rope with 300 kilograms of weight pull-ups; The origin-location is got back in motor counter-rotating then, and 300 kilograms of weights are replaced.
Claims (2)
1. the heating and loading fatigue test device of a high-pressure joint bearing of engine, it is characterized in that: the heating and loading fatigue test device of described high-pressure joint bearing of engine, comprise motor (1), connecting rod (2), major axis (3), wire rope (4), pulley (5), pot arch (6), counterweight (7), framework (8), automatically controlled part (9);
Wherein: framework (8) is divided into framework upper (801) and framework bottom (802), automatically controlled part (9) is installed in the upper right of framework bottom (802), motor (1) is installed in the right side of framework upper (801), motor (1) is connected with automatically controlled part (9) by lead, the output shaft of motor (1) links to each other with connecting rod (2), major axis (3) is installed in framework upper (801) inside with movable ways of connecting, one end of wire rope (4) is connected with major axis (3), pulley (5) is installed in the left side of framework upper (801), wire rope (4) walk around pulley (5) and pass framework upper (801) above, the other end of wire rope (4) is connected with counterweight (7), one end of test specimen (10) is connected with connecting rod (2), and the other end of test specimen (10) is connected with major axis (3).
2. according to the heating and loading fatigue test device of the described high-pressure joint bearing of engine of claim 1, it is characterized in that: described test specimen (10) comprises oscillating bearing (101) and tooth bar (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102295098A CN101750213B (en) | 2008-12-10 | 2008-12-10 | Heating and loading fatigue test device for high-pressure joint bearing of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102295098A CN101750213B (en) | 2008-12-10 | 2008-12-10 | Heating and loading fatigue test device for high-pressure joint bearing of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101750213A true CN101750213A (en) | 2010-06-23 |
| CN101750213B CN101750213B (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102295098A Expired - Fee Related CN101750213B (en) | 2008-12-10 | 2008-12-10 | Heating and loading fatigue test device for high-pressure joint bearing of engine |
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| CN (1) | CN101750213B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221462A (en) * | 2011-06-13 | 2011-10-19 | 长春机械科学研究院有限公司 | Test detection device for joint bearing |
| CN105136470A (en) * | 2015-08-17 | 2015-12-09 | 南京汽车集团有限公司 | Automotive back door over-open loading device |
| CN106644477A (en) * | 2016-12-19 | 2017-05-10 | 兰州空间技术物理研究所 | Radial joint bearing running-in device |
| CN106840674A (en) * | 2017-02-28 | 2017-06-13 | 浙江大学 | Gear and synchronous belt type oscillating bearing experimental rig |
| CN107202694A (en) * | 2017-06-26 | 2017-09-26 | 常州机电职业技术学院 | Fatigue durability testing device for engine connecting rod |
| CN109459238A (en) * | 2018-12-24 | 2019-03-12 | 北华大学 | A kind of motor bearings equipment for testing service life |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288430C (en) * | 2004-07-30 | 2006-12-06 | 胡先根 | Analogue method for automobile cooling fan motor bearing life test |
| FR2913769B1 (en) * | 2007-03-12 | 2009-06-05 | Snecma Sa | METHOD FOR DETECTING DAMAGE TO A BEARING BEARING OF AN ENGINE |
-
2008
- 2008-12-10 CN CN2008102295098A patent/CN101750213B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221462A (en) * | 2011-06-13 | 2011-10-19 | 长春机械科学研究院有限公司 | Test detection device for joint bearing |
| CN102221462B (en) * | 2011-06-13 | 2012-07-11 | 长春机械科学研究院有限公司 | Test detection device for joint bearing |
| CN105136470A (en) * | 2015-08-17 | 2015-12-09 | 南京汽车集团有限公司 | Automotive back door over-open loading device |
| CN106644477A (en) * | 2016-12-19 | 2017-05-10 | 兰州空间技术物理研究所 | Radial joint bearing running-in device |
| CN106840674A (en) * | 2017-02-28 | 2017-06-13 | 浙江大学 | Gear and synchronous belt type oscillating bearing experimental rig |
| CN107202694A (en) * | 2017-06-26 | 2017-09-26 | 常州机电职业技术学院 | Fatigue durability testing device for engine connecting rod |
| CN109459238A (en) * | 2018-12-24 | 2019-03-12 | 北华大学 | A kind of motor bearings equipment for testing service life |
| CN109459238B (en) * | 2018-12-24 | 2020-07-31 | 北华大学 | Motor bearing life test equipment |
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| Publication number | Publication date |
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| CN101750213B (en) | 2011-11-09 |
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