CN204882072U - High -speed load dynamic pressure test system - Google Patents
High -speed load dynamic pressure test system Download PDFInfo
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- CN204882072U CN204882072U CN201520362186.5U CN201520362186U CN204882072U CN 204882072 U CN204882072 U CN 204882072U CN 201520362186 U CN201520362186 U CN 201520362186U CN 204882072 U CN204882072 U CN 204882072U
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- hydrodynamic bearing
- electric control
- inlet pipe
- bearing
- control system
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a high -speed load dynamic pressure test system, the test system includes testboard, cooling system, lubricating system, electric control system, the testboard includes motor, dynamic pressure, flywheel, shaft coupling, test base, cooling system and lubricating system pass through the pipeline testboard and connect, and it provides cooling and lubricating function to be the test system respectively, electric control system passes through the cable and is connected with the testboard. Can carry out remote control through programmable controller and converter, change toggle speed, cut -off velocity, the running speed of motor, carry out system simulation simulation and analysis to the various operating modes that probably appear in the in -service use to accessible temperature sensor and vibration sensor carry out real time monitoring to the system, thereby ensure product development's reliability, shorten the research and development time for the research and development process.
Description
Technical field
The utility model relates to a kind of test macro, refers to a kind of high speed load hydrodynamic bearing test macro especially.
Background technology
For the pivoting support of high-speed overload rotating shaft in commercial unit, hydrodynamic bearing is used in a lot of situation, hydrodynamic bearing is the sliding bearing that the liquid film automatically formed by fluid lubricant dynamic pressure separates two friction surfaces bearing load, but it is higher owing to requiring in design, material and manufacturing process, thus, the performance test of simulating actual condition must be carried out, to guarantee that all technical of product reaches the requirement of design in the process of research and development of products.
Patent CN102279105A discloses a kind of comprehensive test, and it combines being integrally formed, unified manipulation by mechanical system, motor driven systems, hydraulic loading system, lubricating system, pneumatic control system, electric control system and computer data acquisition system.Flow, temperature, pressure and the displacement transducer be arranged on bearing and each pipeline all accesses computer data acquisition system through PLC.Electric control system connection controls motor driven systems, hydraulic loading system, lubricating system and pneumatic control system, by setting motor rotational shaft speed and hydraulic load dynamic regulation rolling operating mode, and data acquisition system (DAS) is utilized to test filmatic bearing of press performance.The difference of this patent and the application is:
(1), between left and right moving hydrostatic bearing seat, position there is a memorial archway in patent documentation, in memorial archway, dynamic pressure shaft bearing and hydrodynamic kelmet are upside down installed, main analog be the work of rolling mill roll, its rotating speed is relatively low, and the flywheel of the application High Rotation Speed on testing table, the fan rotor that simulation is actual, the specific field measured by it is different;
(2), in patent documentation be two ends dynamic and hydrostatic bearing, a hydrodynamic bearing is installed in intermediate retainer memorial archway inside, is equivalent to that a roll has three bearings, different from the structure of the application, the application is that a hydrodynamic bearing is respectively installed on flywheel both sides, supports the flywheel of High Rotation Speed.
(3), the system of the application is that the content that will test also has the different of essence from patent documentation, they are only that an axle (roll) rotates in bearing, the application is that transmission shaft drives large load (flywheel) High Rotation Speed in bearing, what the application needed test is the impact of heavy load High Rotation Speed on bearing, different from patent documentation.
(4), two ends support in patent documentation bearing supported (mentioning system pressure in patent is 0-90 ton) by high pressure, and we produce oil film to support automatically, do not need extraneous high pressure.
(5). the cooling system working method in patent documentation is completely different from the application, the cooling system of patent documentation cools the hydraulic oil medium used in this system, reduce the temperature of hydraulic oil, to carry out circulation lubrication related components, the cooling system of the application is then different, and the cooling system of the application is that cold water is directly injected into hydrodynamic bearing internal cavities, take away heat, play the effect of cooling, be the temperature reducing bearing shell, instead of reduce the temperature of hydraulic oil.
To sum up, because the technical field of the product that test macro is tested is essentially different (dynamic and hydrostatic bearing on milling train is different from the hydrodynamic bearing on the blower fan that we research and develop), so the technical parameter that the actual internal structure of test board and test will obtain is completely different, system operation mode is also completely different, even if therefore all comprise cooling system, lubricating system, electric control system etc., but real work principle is completely different.
Utility model content
1, the purpose of this utility model.
Adopt hydraulic oil cooling to cause cooling effect bad to solve in prior art cooling systems, and the test problem of the operating mode of low speed load hydrodynamic bearing can only be measured, the utility model proposes a kind of test macro for blower fan hydrodynamic bearing.
2, the technical scheme that adopts of the utility model.
A kind of high speed load hydrodynamic bearing test macro, comprise test board, cooling system, lubricating system, electric control system, described cooling system is connected with test board by pipeline with lubricating system, and described electric control system is connected with test board by cable;
Test board comprises motor (1), shaft coupling (2), the first fluid bearing (3), the second fluid bearing (5), flywheel (4), described flywheel (4) is positioned at the first fluid bearing (3), the second fluid bearing (5) is middle, the turning axle at flywheel (4) two ends is arranged in the endoporus of the first fluid bearing (3), the second fluid bearing (5), described shaft coupling (2) is arranged on motor shaft (101) and flywheel shaft (401), is rotated after motor (1) running by shaft coupling (2) flywheel driven (4);
Cooling system comprises water tank (9), centrifugal pump (10), first water inlet pipe (11), second water inlet pipe (12), described centrifugal pump (10) is arranged on water tank (9), be connected on the water inlet pipe (301) of the first hydrodynamic bearing by the first water inlet pipe flexible pipe (11), second water inlet pipe flexible pipe (12) is connected on the water inlet pipe (501) of the second hydrodynamic bearing, first water supply hose (11), second water supply hose (12) is communicated with hydrodynamic bearing internal cavities, and by the first delivery hose (13), the rising pipe (302) of the first hydrodynamic bearing is connected with water tank (9), second hydrodynamic bearing rising pipe (502) is connected with water tank (9) by the second delivery hose (14), water tank (9) inner cold water is extracted out by centrifugal pump (10), by the first delivery hose (13), second delivery hose (14) is sent into hydrodynamic bearing internal cavities and is taken away by heat, the water taking away heat after hydrodynamic bearing internal cavities turns back to water tank (9).
Described lubricating system comprises hydraulic oil supply unit (19), oil inlet pipe (20), scavenge pipe (21), by oil inlet pipe (20) by hydraulic oil supply unit (19) with hydrodynamic bearing casing lubricate mouth be connected, fuel feeding is carried out to hydrodynamic bearing, and by scavenge pipe (21), lubricating oil is turned back to hydraulic oil supply unit.
Described electric control system comprises electrical control cubicles (15), Programmable Logic Controller (16), frequency converter (17) and cable, described Programmable Logic Controller (16) and frequency converter (17) are installed within electrical control cubicles (15), the running speed of Programmable Logic Controller and Frequency Converter Control motor, simulate different working conditions, by temperature sensor and vibration transducer, system is monitored.
Described electric control system also comprises temperature sensor (7), is positioned at hydrodynamic bearing inside, is connected with electric control system miscellaneous part by cable.
Described electric control system is involving vibrations sensor (8) also, is positioned at hydrodynamic bearing inside, is connected with electric control system miscellaneous part by cable.
3, the beneficial effects of the utility model.
(1) operating mode of hydrodynamic bearing when the utility model carries out High Rotation Speed simulation blower fan duty by flywheel, and by carrying out cold water cooling to cavity, avoid the cooling velocity come by hydraulic pressure oil salband slow, be not enough to the heat that reduction High Rotation Speed produces, easily caused to the problem of damage the life-span of hydrodynamic bearing.
(2), the test macro that provides of the utility model, Long-distance Control can be carried out by Programmable Logic Controller and frequency converter, change toggle speed, cut-off velocity, the running speed of motor, simulation and analysis are carried out to the various operating modes that may occur in actual use, and by temperature sensor and vibration transducer, system is monitored in real time; Thus guarantee the reliability of research and development of products, shorten the research and development time, accelerate research and development process.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The test board axonometric drawing of the test macro that Fig. 1 provides for the utility model example;
The floor plan of the test macro that Fig. 2 provides for the utility model example;
In Fig. 1 to Fig. 2,
1: motor; 101: motor shaft; 2: shaft coupling; 3: the first hydrodynamic bearings; The water inlet pipe of 301: the first hydrodynamic bearings; The rising pipe of 302: the first hydrodynamic bearings; 4: flywheel; 401: flywheel shaft; 5: the second hydrodynamic bearings; 501: the second hydrodynamic bearing water inlet pipes; 502: the second hydrodynamic bearing rising pipes; 6: testing base; 7: temperature sensor; 8: vibration transducer; 9: water tank; 10: centrifugal pump; 11: the first water supply hoses one; 12: the second water supply hoses; 13: the first delivery hoses; 14: the second delivery hoses; 15: electrical control cubicles; 16: Programmable Logic Controller; 17: frequency converter; 18: cable; 19: hydraulic oil supply unit; 20: oil inlet pipe; 21: scavenge pipe.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example, but not all the restriction to the utility model scheme to the description of embodiment, any according to being only pro forma but not substantial equivalent transformation and all should being considered as the technical solution of the utility model category done by the utility model design.
Embodiment
In order to solve the problem of hydrodynamic bearing properties of product test, of the present utility modelly provide a kind of test macro for hydrodynamic bearing, it is characterized in that, comprise test board, cooling system, lubricating system, electric control system, described test board comprises motor, hydrodynamic bearing, flywheel, shaft coupling, testing base, described cooling system is connected by pipeline test board with lubricating system, and described electric control system is connected with test board by cable.
Described test board comprises motor, hydrodynamic bearing, flywheel, shaft coupling, testing base, described motor, hydrodynamic bearing are arranged on testing base, the turning axle at described flywheel two ends is arranged in the endoporus of hydrodynamic bearing, described shaft coupling is arranged on motor shaft and flywheel shaft, rotated by shaft coupling flywheel driven after motor rotation, simulate load-carrying actual condition.
Described cooling system comprises water tank, centrifugal pump and pipeline, described centrifugal pump is arranged on water tank, hydrodynamic bearing water inlet pipe is connected to by water inlet pipe flexible pipe, and by delivery hose, hydrodynamic bearing is connected with water tank, water tank inner cold water is extracted out by centrifugal pump, and by water supply hose, cold water is sent into hydrodynamic bearing inner chamber heat is taken away, the water taking away heat after hydrodynamic bearing inner chamber turns back to water tank through delivery hose.
Described lubricating system comprises hydraulic oil supply unit, oil inlet pipe, scavenge pipe, by oil inlet pipe by hydraulic oil supply unit with hydrodynamic bearing casing lubricate mouth be connected, fuel feeding is carried out to hydrodynamic bearing, and by scavenge pipe, lubricating oil is turned back to hydraulic oil supply unit.
Described electric control system comprises electrical control cubicles, Programmable Logic Controller, frequency converter, temperature sensor, vibration transducer and cable, described Programmable Logic Controller and frequency converter are installed within electrical control cubicles, described temperature sensor and vibration transducer are arranged on hydrodynamic bearing, and be connected with electrical control cubicles by cable, Programmable Logic Controller and frequency converter are by the running speed of program controlled motor, simulate different working conditions, by actuator temperature sensor and vibration transducer, system is monitored.
As shown in Figure 1, a kind of test board of the test macro for hydrodynamic bearing, described motor 1, first hydrodynamic bearing 3 and the second hydrodynamic bearing 5 are arranged on testing base 6, the turning axle at described flywheel 4 two ends is arranged in the endoporus of the first hydrodynamic bearing 3 and the second hydrodynamic bearing 5, described shaft coupling 2 is arranged on motor shaft 101 and flywheel shaft 401, rotated by shaft coupling 2 flywheel driven 4 after motor 1 operates, simulate load-carrying actual condition.
As shown in Figure 2, described centrifugal pump 10 is arranged on water tank 9, the water inlet pipe 301 of the first hydrodynamic bearing is connected to by the first water inlet pipe flexible pipe 11, second water inlet pipe flexible pipe 12 is connected to the water inlet pipe 501 of the second hydrodynamic bearing, and be connected with water tank 9 by the rising pipe 302 of the first delivery hose 13 by the first hydrodynamic bearing, the rising pipe 502 of the second hydrodynamic bearing is connected with water tank 9 by the second delivery hose 14, water tank 9 inner cold water is extracted out by centrifugal pump 10, send into hydrodynamic bearing inner chamber to be taken away by heat, the water taking away heat after hydrodynamic bearing inner chamber turns back to water tank 9.
Claims (5)
1. a high speed load hydrodynamic bearing test macro, it is characterized in that: comprise test board, cooling system, lubricating system, electric control system, described cooling system is connected with test board by pipeline with lubricating system, and described electric control system is connected with test board by cable;
Test board comprises motor (1), shaft coupling (2), the first fluid bearing (3), the second fluid bearing (5), flywheel (4), described flywheel (4) is positioned at the first fluid bearing (3), the second fluid bearing (5) is middle, the turning axle at flywheel (4) two ends is arranged in the endoporus of the first fluid bearing (3), the second fluid bearing (5), described shaft coupling (2) is arranged on motor shaft (101) and flywheel shaft (401), is rotated after motor (1) running by shaft coupling (2) flywheel driven (4);
Cooling system comprises water tank (9), centrifugal pump (10), first water inlet pipe (11), second water inlet pipe (12), described centrifugal pump (10) is arranged on water tank (9), be connected on the water inlet pipe (301) of the first hydrodynamic bearing by the first water inlet pipe flexible pipe (11), second water inlet pipe flexible pipe (12) is connected on the water inlet pipe (501) of the second hydrodynamic bearing, first water supply hose (11), second water supply hose (12) is communicated with hydrodynamic bearing internal cavities, and by the first delivery hose (13), the rising pipe (302) of the first hydrodynamic bearing is connected with water tank (9), second hydrodynamic bearing rising pipe (502) is connected with water tank (9) by the second delivery hose (14), water tank (9) inner cold water is extracted out by centrifugal pump (10), by the first delivery hose (13), second delivery hose (14) is sent into hydrodynamic bearing internal cavities and is taken away by heat, the water taking away heat after hydrodynamic bearing internal cavities turns back to water tank (9).
2. high speed load hydrodynamic bearing test macro according to claim 1, it is characterized in that: described lubricating system comprises hydraulic oil supply unit (19), oil inlet pipe (20), scavenge pipe (21), by oil inlet pipe (20) by hydraulic oil supply unit (19) with hydrodynamic bearing casing lubricate mouth be connected, fuel feeding is carried out to hydrodynamic bearing, and by scavenge pipe (21), lubricating oil is turned back to hydraulic oil supply unit.
3. high speed load hydrodynamic bearing test macro according to claim 1, it is characterized in that: described electric control system comprises electrical control cubicles (15), Programmable Logic Controller (16), frequency converter (17) and cable, described Programmable Logic Controller (16) and frequency converter (17) are installed within electrical control cubicles (15), the running speed of Programmable Logic Controller and Frequency Converter Control motor, simulate different working conditions, by temperature sensor and vibration transducer, system is monitored.
4. high speed load hydrodynamic bearing test macro according to claim 3, is characterized in that: described electric control system also comprises temperature sensor (7), is positioned at hydrodynamic bearing inside, is connected with electric control system miscellaneous part by cable.
5. high speed load hydrodynamic bearing test macro according to claim 3, is characterized in that: described electric control system is involving vibrations sensor (8) also, is positioned at hydrodynamic bearing inside, is connected with electric control system miscellaneous part by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362186.5U CN204882072U (en) | 2015-05-29 | 2015-05-29 | High -speed load dynamic pressure test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362186.5U CN204882072U (en) | 2015-05-29 | 2015-05-29 | High -speed load dynamic pressure test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882072U true CN204882072U (en) | 2015-12-16 |
Family
ID=54826434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520362186.5U Withdrawn - After Issue CN204882072U (en) | 2015-05-29 | 2015-05-29 | High -speed load dynamic pressure test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882072U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849049A (en) * | 2015-05-29 | 2015-08-19 | 苏州欧弗贝传动科技有限公司 | High-speed load dynamic pressure bearing testing system |
| CN108344566A (en) * | 2018-01-31 | 2018-07-31 | 合肥工业大学 | A kind of flexible load monitoring test equipment of Rotor Systems |
| CN110398688A (en) * | 2019-07-31 | 2019-11-01 | 重庆长安新能源汽车科技有限公司 | A kind of New energy automobile motor Performance Test System |
| CN111442924A (en) * | 2019-01-16 | 2020-07-24 | 斯凯孚公司 | System and program |
-
2015
- 2015-05-29 CN CN201520362186.5U patent/CN204882072U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849049A (en) * | 2015-05-29 | 2015-08-19 | 苏州欧弗贝传动科技有限公司 | High-speed load dynamic pressure bearing testing system |
| CN104849049B (en) * | 2015-05-29 | 2018-01-02 | 苏州欧弗贝传动科技有限公司 | A kind of load hydrodynamic bearing test system at a high speed |
| CN108344566A (en) * | 2018-01-31 | 2018-07-31 | 合肥工业大学 | A kind of flexible load monitoring test equipment of Rotor Systems |
| CN111442924A (en) * | 2019-01-16 | 2020-07-24 | 斯凯孚公司 | System and program |
| CN110398688A (en) * | 2019-07-31 | 2019-11-01 | 重庆长安新能源汽车科技有限公司 | A kind of New energy automobile motor Performance Test System |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180102 |