CN204008146U - A kind of dynamic pressure paillon foil formula thrust air bearing performance testing device - Google Patents
A kind of dynamic pressure paillon foil formula thrust air bearing performance testing device Download PDFInfo
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- CN204008146U CN204008146U CN201420471307.5U CN201420471307U CN204008146U CN 204008146 U CN204008146 U CN 204008146U CN 201420471307 U CN201420471307 U CN 201420471307U CN 204008146 U CN204008146 U CN 204008146U
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Abstract
The utility model relates to a kind of dynamic pressure paillon foil formula thrust air bearing performance testing device, comprises testing table, frequency converter, water-cooled and lubricating system, pure air system and signal acquiring system.Testing table is provided with electric main shaft, testing table main body, spring-feel mechanism and damped platform.Electric main shaft one side of testing table main body is equipped with backplate, and spring-feel mechanism is positioned at the opposite side of testing table main body, and the top of testing table main body is provided with top board.In testing table main body, be provided with thrust disc, bearing seat, register pin and linear bearing.Electricity main shaft and thrust disc are rigidly connected, and frequency converter is connected with electric spindle circuit.Speed probe is equipped with on the top of testing table main body, and the sidepiece of testing table main body is equipped with power sensor and displacement transducer.The utility model by electric main shaft directly and thrust disc be rigidly connected, frequency converter changes output frequency, realize the stepless output of the electric speed of mainshaft, met the testing requirements of the dynamic and static performance test of dynamic pressure paillon foil formula thrust air bearing, improved the precision grade of test.
Description
Technical field
The utility model belongs to performance test apparatus technical field, relates to the testing apparatus of the dynamic and static performance of a kind of bearing, concrete a kind of dynamic pressure paillon foil formula thrust air bearing performance testing device.
Background technology
Foil bearing occurs as far back as nineteen twenty-eight, because foil bearing has good stability, and vibration resistance, shock-resistant, the advantages such as environmentally safe, foil thrust bearing appears at 1970's, be widely used in multiple high-speed rotating machine, and obtained good effect.Quiet, the dynamic property of foil gas bearing is significant for the performance evaluation of bearing and the stability distinguishing of axle system etc.
The domestic experimental study to dynamic pressure paillon foil formula thrust air bearing is confined to the aspects such as load-bearing capacity under takeoff speed and little load, part high speed dynamic property, the axle that test unit adopts motor to connect roller bearings by high-speed coupling more is to drive, and the vibration that long axle system causes directly affects the measuring accuracy of the various performances of dynamic pressure paillon foil formula thrust air bearing.The signals collecting sensor that testing table adopts, especially displacement sensor precision is low, can not meet the micron order measuring accuracy of dynamic pressure paillon foil formula thrust air bearing performance test requirement.Test is during load-carrying properties, the precision grade that the pneumatic or hydraulic loading device of employing loading accuracy can accurately be controlled at ± 1N.
Utility model content
For overcoming the deficiencies in the prior art, the utility model provides a kind of dynamic pressure paillon foil formula thrust air bearing performance testing device, meets the testing requirements of the dynamic and static performance test of dynamic pressure paillon foil formula thrust air bearing, improves measuring accuracy.
The utility model dynamic pressure paillon foil formula thrust air bearing performance testing device, comprises testing table, frequency converter, water-cooled and lubricating system, pure air system and signal acquiring system, and water-cooled and lubricating system are connected with testing table respectively with pure air system.Testing table is provided with electric main shaft, testing table main body, spring-feel mechanism and platform, and electric main shaft, testing table main body are fixed on platform.Electric main shaft one side of testing table main body is equipped with backplate, and spring-feel mechanism is positioned at the opposite side of testing table main body, and the top of testing table main body is provided with top board.In testing table main body, be provided with thrust disc, bearing seat, register pin and linear bearing.Electricity main shaft and thrust disc are rigidly connected, and frequency converter is connected with electric spindle circuit.Speed probe is equipped with on the top of testing table main body, and the sidepiece of testing table main body is equipped with power sensor and two displacement transducers, and speed probe, displacement transducer, power sensor respectively circuit are connected to signal acquiring system.
Spring-feel mechanism comprises contiguous block, No. 1 slide block, No. 2 slide blocks, orienting sleeve, No. 1 spring, No. 2 springs and push rod, and orienting sleeve and housing are bolted.Contiguous block, No. 1 slide block, No. 1 spring, No. 2 springs are connected with No. 2 slide blocks the groove that is positioned at housing and orienting sleeve formation successively, and push rod is connected with No. 2 slide blocks through orienting sleeve.Two displacement transducers become 180 ° to be arranged symmetrically with or arranged at right angles in 90 °.Signal acquiring system is provided with digital-to-analogue collecting unit, data processor and display panel.Pure air system is provided with air strainer and pneumatic pump.
The utility model dynamic pressure paillon foil formula thrust air bearing performance testing device by electric main shaft directly and thrust disc be rigidly connected, frequency converter changes output frequency, realize the stepless output of the electric speed of mainshaft, meet rotating speed that thrust disc maximum speed 30,000 turns and required the testing requirements with dynamic pressure paillon foil formula thrust air bearing dynamic and static performance test, improved the precision grade of test.180 ° of displacement transducers are arranged symmetrically with or 90 ° of arranged at right angles, and test dirigibility is good.High-speed electric main shaft is equipped with pure air system, and pressure air is filtered to the electric principal axis lubrication system of rear supply, provides lubrication and cooling for high-speed electric main shaft, for the stable operation of performance testing device is given security by water-cooled and lubricating system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model dynamic pressure paillon foil formula thrust air bearing performance testing device testing table;
Wherein:
1-base, 2-electric main shaft, 3-backplate, 4-testing table main body, 5-top board, 6-thrust disc, 7-thrust bearing, 8-bearing seat, 9-register pin, 10-displacement transducer mounting hole, 11-linear bearing, 12-contiguous block, 13-power installation of sensors hole, 14-No. 1 slide block, 15-orienting sleeve, 16-No. 1 spring, 17-No. 2 springs, 18-No. 2 slide blocks, 19-push rod, 20-damped platform, 21-bolt, 22-bolt.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is elaborated.The utility model protection domain is not limited to embodiment, makes the scope that any change also belongs to the utility model protection in the scope that those skilled in the art limit in claim.
The utility model dynamic pressure paillon foil formula thrust air bearing performance testing device, comprises testing table, frequency converter, water-cooled and lubricating system, pure air system and signal acquiring system, and water-cooled and lubricating system are connected with testing table respectively with pure air system.As shown in Figure 1, testing table is provided with electric main shaft 2, testing table main body 4, spring-feel mechanism and damped platform 20, and electric main shaft 2, testing table main body 4 are screwed on platform.Electric main shaft one side of testing table main body is equipped with backplate 3, and spring-feel mechanism is positioned at the opposite side of housing, and the top of testing table main body is provided with top board 5.In testing table main body, be provided with thrust disc 6, bearing seat 8 and linear bearing 11.Electricity main shaft and thrust disc are rigidly connected, and frequency converter is connected with electric spindle circuit.Testing table main body is provided with displacement transducer mounting hole 10 power installation of sensors hole 13 and dowel holes, and top board 5 is provided with speed probe mounting hole.Displacement transducer inserts displacement transducer mounting hole, and two displacement transducers become 180 ° to be arranged symmetrically with.Power sensor insertion force installation of sensors hole, speed probe inserts speed probe mounting hole.Speed probe, displacement transducer, power sensor respectively circuit are connected to signal acquiring system.Signal acquiring system is provided with digital-to-analogue collecting unit, data processor and display panel.Spring-feel mechanism comprises 14, No. 2 slide blocks 18 of 12, No. 1 slide block of contiguous block, 15, No. 1 spring 16 of orienting sleeve) No. 2 spring 17 and push rods 19, orienting sleeve and testing table main body are bolted, contiguous block, No. 1 slide block, No. 1 spring, No. 2 springs are connected with No. 2 slide blocks the groove that is positioned at testing table main body and orienting sleeve formation successively, and push rod is connected with No. 2 slide blocks through orienting sleeve.Pure air system is provided with air strainer and pneumatic pump.
The utility model dynamic pressure paillon foil formula thrust air bearing performance testing device is for (1) departure rotary speed test; (2) set under rotating speed maximum load capacity and quiet rigidity test; (3) change in rotating speed and axial load situation the variable quantity of axial displacement and the test of the dynamic stiffness of bearing; (4) different dynamic pressure paillon foil formula thrust air bearing start and stop durability tests; (5) under different loads and rotating speed, steady running in 24 hours is tested.Also can be used for other performance test of dynamic pressure paillon foil formula thrust air bearing.
The process of the test of the utility model dynamic pressure paillon foil formula thrust air bearing performance testing device is, during test, open top board 5, thrust bearing 7 is placed in to bearing seat 6, by three register pins 9, be suspended on bearing seat, under preloading, directly contact with thrust disc, preload and test load is provided by the spring-feel mechanism of bearing seat back, power sensor is inputted acquisition system by load signal and is monitored.Speed probe is measured the transient speed of thrust disc, and by signal input signal acquisition system.Displacement transducer is by the axial displacement signal input signal acquisition system of bearing seat.
Claims (5)
1. a dynamic pressure paillon foil formula thrust air bearing performance testing device, comprise testing table, frequency converter, water-cooled and lubricating system, pure air system and signal acquiring system, described water-cooled and lubricating system are connected with testing table respectively with pure air system, it is characterized in that: described testing table is provided with electric main shaft (2), testing table main body (4), spring-feel mechanism and damped platform (20), electric main shaft (2), testing table main body (4) are fixed on platform; Electric main shaft one side of described testing table main body is equipped with backplate (3), and spring-feel mechanism is positioned at the opposite side of testing table main body, and the top of testing table main body is provided with top board (5); In described testing table main body, be provided with thrust disc (6), bearing seat (8) and linear bearing (11), electric main shaft and thrust disc are rigidly connected, and frequency converter is connected with electric spindle circuit; Speed probe is equipped with on the top of testing table main body, and the sidepiece of testing table main body is equipped with power sensor and two displacement transducers, and described speed probe, displacement transducer, power sensor respectively circuit are connected to signal acquiring system.
2. dynamic pressure paillon foil formula thrust air bearing performance testing device according to claim 1, it is characterized in that: described spring-feel mechanism comprises contiguous block (12), No. 1 slide block (14), No. 2 slide blocks (18), orienting sleeve (15), No. 1 spring (16), No. 2 springs (17) and push rod (19), described orienting sleeve and testing table main body are bolted, described contiguous block, No. 1 slide block, No. 1 spring, No. 2 springs are connected with No. 2 slide blocks the groove that is positioned at testing table main body and orienting sleeve formation successively, and described push rod is connected with No. 2 slide blocks through orienting sleeve.
3. dynamic pressure paillon foil formula thrust air bearing performance testing device according to claim 1, is characterized in that: described two displacement transducers become 180 ° to be arranged symmetrically with or arranged at right angles in 90 °.
4. dynamic pressure paillon foil formula thrust air bearing performance testing device according to claim 1, is characterized in that: described signal acquiring system is provided with digital-to-analogue collecting unit, data processor and display panel.
5. dynamic pressure paillon foil formula thrust air bearing performance testing device according to claim 1, is characterized in that: described pure air system is provided with air strainer and pneumatic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471307.5U CN204008146U (en) | 2014-08-20 | 2014-08-20 | A kind of dynamic pressure paillon foil formula thrust air bearing performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471307.5U CN204008146U (en) | 2014-08-20 | 2014-08-20 | A kind of dynamic pressure paillon foil formula thrust air bearing performance testing device |
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| CN204008146U true CN204008146U (en) | 2014-12-10 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388013A (en) * | 2015-12-04 | 2016-03-09 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Elasticity feature tester by simulating condition of thrust foil bearing |
| CN107340134A (en) * | 2017-07-31 | 2017-11-10 | 昆明理工大学 | A kind of bearing test device |
| CN109959514A (en) * | 2019-03-29 | 2019-07-02 | 上海大学 | Match angular contact ball bearing dynamic friction performance online test device |
| CN110736621A (en) * | 2019-11-01 | 2020-01-31 | 北京动力机械研究所 | Dynamic cooling measuring device for radial dynamic pressure air bearing |
| CN111024396A (en) * | 2019-12-31 | 2020-04-17 | 哈尔滨工业大学 | Spiral groove gas dynamic pressure thrust bearing performance simulation test device and test method |
| CN114878163A (en) * | 2022-05-18 | 2022-08-09 | 哈尔滨工业大学 | High-precision dynamic pressure thrust foil bearing dynamic and static synchronous loading testing device |
| CN115979645A (en) * | 2023-03-22 | 2023-04-18 | 无锡蠡湖增压技术股份有限公司 | Rolling testing mechanism for gas foil bearing |
| CN117191395A (en) * | 2023-08-15 | 2023-12-08 | 上海大学 | Combined experiment testing device for radial and thrust combined bearing of air foil |
-
2014
- 2014-08-20 CN CN201420471307.5U patent/CN204008146U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388013A (en) * | 2015-12-04 | 2016-03-09 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Elasticity feature tester by simulating condition of thrust foil bearing |
| CN107340134A (en) * | 2017-07-31 | 2017-11-10 | 昆明理工大学 | A kind of bearing test device |
| CN109959514A (en) * | 2019-03-29 | 2019-07-02 | 上海大学 | Match angular contact ball bearing dynamic friction performance online test device |
| CN109959514B (en) * | 2019-03-29 | 2021-04-09 | 上海大学 | Paired angular contact ball bearing dynamic friction performance online testing device |
| CN110736621A (en) * | 2019-11-01 | 2020-01-31 | 北京动力机械研究所 | Dynamic cooling measuring device for radial dynamic pressure air bearing |
| CN111024396A (en) * | 2019-12-31 | 2020-04-17 | 哈尔滨工业大学 | Spiral groove gas dynamic pressure thrust bearing performance simulation test device and test method |
| CN111024396B (en) * | 2019-12-31 | 2021-07-09 | 哈尔滨工业大学 | Spiral groove gas dynamic pressure thrust bearing performance simulation test device and test method |
| CN114878163A (en) * | 2022-05-18 | 2022-08-09 | 哈尔滨工业大学 | High-precision dynamic pressure thrust foil bearing dynamic and static synchronous loading testing device |
| CN114878163B (en) * | 2022-05-18 | 2024-01-23 | 哈尔滨工业大学 | Dynamic and static synchronous loading testing device for high-precision dynamic pressure thrust foil bearing |
| CN115979645A (en) * | 2023-03-22 | 2023-04-18 | 无锡蠡湖增压技术股份有限公司 | Rolling testing mechanism for gas foil bearing |
| CN117191395A (en) * | 2023-08-15 | 2023-12-08 | 上海大学 | Combined experiment testing device for radial and thrust combined bearing of air foil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Performance testing device for dynamic pressure foil type thrust air bearing Effective date of registration: 20190716 Granted publication date: 20141210 Pledgee: China Everbright Bank, Limited by Share Ltd, Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY CO., LTD. Registration number: 2019130000013 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200724 Granted publication date: 20141210 Pledgee: China Everbright Bank Limited by Share Ltd. Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. Registration number: 2019130000013 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee after: Hebei Kingston Technology Co.,Ltd. Address before: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |