CN201083603Y - Sprag clutch high speed dynamic friction moment test stand - Google Patents
Sprag clutch high speed dynamic friction moment test stand Download PDFInfo
- Publication number
- CN201083603Y CN201083603Y CNU2007200923888U CN200720092388U CN201083603Y CN 201083603 Y CN201083603 Y CN 201083603Y CN U2007200923888 U CNU2007200923888 U CN U2007200923888U CN 200720092388 U CN200720092388 U CN 200720092388U CN 201083603 Y CN201083603 Y CN 201083603Y
- Authority
- CN
- China
- Prior art keywords
- test
- clutch
- dynamic friction
- oil
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a high-speed dynamic friction torque test bed for slanting supported clutch, which relates to the clutch performance testing technical field. The test bed is connected with a slanting supported clutch lining (8) in a testing cavity (4) through a shaft coupling and a torque sensor (10) from an electronic spindle on the input end of the workbench. A test clutch (7) is arranged between the inner sheath and the outer sheath of the clutch. The electronic spindle on output end is connected with a gear shaft through the shaft coupling, wherein the gear shaft is meshed with external teeth arranged on the outer diameter of a clutch outer sheath (6) in the test cavity. The test cavity is communicated with a test lubricating system. The electronic spindle, the test lubricating system and the torque sensor (10) are controlled by a control system. The test bed can satisfy the high-speed dynamic friction torque testing requirements of slanting supported clutch under different application conditions. The utility model has the advantages of reasonable design, stable operation and large power; therefore, the manual or computer measurement and control for frequency converting motor can be achieved, thereby completing closed-loop control of double shaft speed regulation.
Description
Technical field
The utility model relates to the technical field of clutch coupling performance test, a kind of sprag clutch high speed dynamic friction torque testing table.
Background technology
Along with the fast development of modernization industry, sprag clutch deepens constantly in applications such as aviation, navigation, automobiles as basic part.This technical indicator of high speed dynamic friction torque to product is had higher requirement.According to the design theory analysis result of present high-end sprag clutch product, under different application operating modes, the moment of friction value during its fast state need be controlled in the fixing scope.If the moment of friction value is excessive, can make clutch coupling in the wearing and tearing aggravation that surmounts at a high speed under the state, cause clutch coupling early to produce wear out failure.If the moment of friction value is too small, the angle of wedge under the clutches engaged state is reduced, influence the joggleword life-span of clutch coupling.So, how to determine the optimum range of the moment of friction value of sprag clutch under the different application operating mode, to improve the comprehensive serviceable life of clutch coupling product, become problem anxious to be solved in the current sprag clutch product design process.
Summary of the invention
At the big problem of present sprag clutch high speed dynamic friction torque value design typification difficulty, key property and condition of work in conjunction with the sprag clutch product, comprise factors such as part material, machining precision, lubrication circumstances, rotating speed, the purpose of this utility model is to provide a kind of sprag clutch high speed dynamic friction torque testing table; This testing table can satisfy the high speed dynamic friction torque testing requirements of sprag clutch under the different application working condition, and reasonable in design, running steadily, power is big, can realize that variable-frequency motor manually or computer measurement and control, finishes the closed-loop control of twin shaft rotational speed regulation.
In order to realize the foregoing invention purpose, the utility model adopts technical scheme as described below:
Described sprag clutch high speed dynamic friction torque testing table comprises: test cavity, electric main shaft, test lubricating system, control system and worktable; The input end of end electricity main shaft connects cover in the interior sprag clutch of test cavity by shaft coupling, torque sensor on the worktable, is equipped with test clutch between the inside and outside cover of clutch coupling in the test cavity; The output terminal of other end electricity main shaft is by shaft coupling connection gear axle on the worktable, and the external tooth that is provided with on the external diameter of the clutch outer that gear shaft is interior with testing cavity is connected with a joggle; Its test cavity connection test lubricating system, its electric main shaft, test lubricating system and torque sensor are controlled by control system.
Described sprag clutch high speed dynamic friction torque testing table, the test cavity is fixed on the worktable for the cavity of sealing, and the one upper lateral part is provided with the axis hole of gear shaft, and the below of axis hole is provided with several nozzles; Opposite side is provided with the axis hole of clutch inner sleeve, and its lower end is provided with oil-out.
Described sprag clutch high speed dynamic friction torque testing table, its input end electricity main shaft, output terminal electricity main shaft and torque sensor are fixed on the worktable by bearing.
Described sprag clutch high speed dynamic friction torque testing table, the test lubricating system is the oil jet lubrication mode, and the lubricating oil of being exported by oil pump reaches several nozzles that certain oily moderate pressure is provided with by pressure transducer, well heater, temperature sensor on oil inlet pipe connection test cavity; Lubricating oil after lubricated is communicated with fuel tank through the oil-out of test cavity by scavenge pipe.
Described sprag clutch high speed dynamic friction torque testing table, control system drives input end by frequency converter and output terminal electricity main shaft drives clutch inner sleeve and clutch outer rotation respectively, TT﹠C system by computing machine is sent the tachometric survey signal of feedback into computing machine, finishes the real-time control to the inside and outside cover rotational speed of clutch coupling; Test lubricating status parameter comprises that signals such as the charge oil pressure of test lubricating oil and temperature are by after testing lubricating system and testing, TT﹠C system via computing machine is sent data into computing machine, control signal according to the computing machine feedback is regulated testing to lubricate with temperature control system respectively, thereby reaches every test lubricating status parameter request of system; Torque sensor is sent into computing machine with the electric signal of the clutch dynamic friction torque value that records by the TT﹠C system of computing machine and is shown in real time and performance analysis.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
This sprag clutch high speed dynamic friction torque testing table, the each several part work characteristics is as follows:
(1) revolution speed control system adopts frequency converter to power up the drive controlling mode of main shaft, and system's running is steady, and power is big, can realize the manual or computer measurement and control of variable-frequency motor, finishes the closed-loop control of twin shaft rotational speed regulation.
(2) but the lubricating requirement of test lubricating system warranty test sprag clutch long-time steady running and can realize different oil pressure lubricating status and the highest 120 ℃ high temperature lubricating state test.Charge oil pressure and temperature are accurately measured monitoring.
(3) this testing table can be finished the testing requirements of sprag clutch moment of friction reliably, exactly by the test control program of establishment.Its electric control system adopts computer program control, can carry out the automatic control of system's trace routine to kinematic train, lubricating system, friction torque test system etc.
Description of drawings
Fig. 1 is the structural representation of sprag clutch high speed dynamic friction torque testing table;
Fig. 2 is a sprag clutch high speed dynamic friction torque testing table electric control theory block diagram.
Among the figure: 1-bearing; 2-electric main shaft; 3-shaft coupling; 4-test cavity; 5-gear shaft; 6-clutch outer; 7-test clutch; 8-clutch inner sleeve; 9-shaft coupling; 10-torque sensor; 11-bearing; 12-shaft coupling; 13-electric main shaft; 14-bearing; 15-worktable; 16-scavenge pipe; 17-fuel tank; 18-oil pump; 19-pressure transducer; 20-well heater; 21-temperature sensor; 22-oil inlet pipe; 23-nozzle; 24-oil-out.
Embodiment
As shown in Figure 1, 2: this sprag clutch high speed dynamic friction torque testing table, system adopts the oil jet lubrication mode, is easy to realize higher rotation speed.Comprise: test cavity (4), electric main shaft (2,13), test lubricating system, control system and worktable (15); The input end of end electricity main shaft (13) connects cover (8) in the interior sprag clutch of test cavity (4) by shaft coupling (12), torque sensor (10) on the worktable, is equipped with test clutch (7) between the inside and outside cover of clutch coupling in the test cavity (4); Worktable (15) is gone up the output terminal electricity main shaft (2) of the other end by shaft coupling (3) connection gear axle (5), and the external tooth that is provided with on the external diameter of the clutch outer (6) in gear shaft (5) and the test cavity is connected with a joggle; Its test cavity (4) connection test lubricating system, its electric main shaft, test lubricating system and torque sensor (10) are controlled by control system.Its test cavity (4) is fixed on the worktable (15) for the cavity of sealing, and the one upper lateral part is provided with the axis hole of gear shaft (5), and the below of axis hole is provided with several nozzles (23); Opposite side is provided with the axis hole of clutch inner sleeve (8), and its lower end is provided with oil-out (24).Its electric main shaft (2,13) and torque sensor (10) are fixed on the worktable (15) by bearing (1,11,14).
Its test lubricating system is the oil jet lubrication mode, and the lubricating oil of being exported by oil pump (18) reaches several nozzle mouths (23) that certain oily moderate pressure is provided with by pressure transducer (19), well heater (20), temperature sensor (21) on oil inlet pipe connection test cavity; Lubricating oil after lubricated is communicated with fuel tank (17) through the oil-out (24) of test cavity by scavenge pipe (16).But the lubricating requirement of the long-time steady running of test lubricating system warranty test sprag clutch, and can realize different oil pressure lubricating status and the highest 120 ℃ high temperature lubricating state test.Charge oil pressure and temperature are accurately measured monitoring.
Electric control system adopts computer program control, can carry out the automatic control of system's trace routine to kinematic train, lubricating system, friction torque test system etc.Drive electric main shaft (2,13) by frequency converter and drive clutch inner sleeve (8) and clutch outer (6) rotation respectively, TT﹠C system by computing machine is sent the tachometric survey signal of feedback into computing machine, finishes the real-time control to the inside and outside cover rotational speed of clutch coupling; Test lubricating status parameter comprises that signals such as the charge oil pressure of test lubricating oil and temperature are by after testing lubricating system and testing, TT﹠C system data via computing machine are sent into computing machine, control signal according to the computing machine feedback is regulated testing to lubricate with temperature control system respectively, thereby reaches every test lubricating status parameter request of system; Torque sensor (10) is sent into computing machine with the electric signal of the clutch dynamic friction torque value that records by the TT﹠C system of computing machine and is shown in real time and performance analysis.Because the employing frequency converter powers up the drive controlling mode of main shaft, system's running is steady, and power is big, and rotational speed regulation has manually and automatic mode, realizes the manual or computer measurement and control of variable-frequency motor, finishes the closed-loop control of twin shaft rotational speed regulation.Testing table can be finished the testing requirements of sprag clutch moment of friction reliably, exactly by the test control program of establishment.
This sprag clutch high speed dynamic friction torque test method according to the environment for use of test clutch (9), is controlled the rotating speed of electric main shaft (2,13) by computer measurement and control system, and its rotational speed regulation has manually and automatic mode.Clutch coupling input end rotating speed is higher than the output terminal rotating speed, the speed discrepancy that set input is different with output terminal, and different input pressures and inlet oil temperature state, dynamic friction torque value to clutch coupling is carried out analysis of experiments, its testing table the key technical indexes: input end electricity main shaft (13) rotating speed is 100～9000r/min, output terminal electricity main shaft (2) rotating speed is 100～9000r/min, input end and output terminal rotating speed control accuracy ± 1%, system's axle is that sense of rotation is clockwise, from output terminal to input end; 40～120 ℃ of lubricating oil temperatures, lubricating oil pressure 0.2～0.5Mpa; Concrete test procedure is as follows: during state 1, and input end rotating speed 6800r/min, output terminal rotating speed 1200r/min, test period 5min, input pressure 0.25Mpa, 40 ℃ of inlet oil temperatures; During state 2, input end rotating speed 6800r/min, output terminal rotating speed 1200r/min, test period 5min, input pressure 0.25Mpa, 80 ℃ of inlet oil temperatures; During state 3, input end rotating speed 6800r/min, output terminal rotating speed 1200r/min, test period 5min, input pressure 0.45Mpa, 40 ℃ of inlet oil temperatures; During state 4, input end rotating speed 6800r/min, output terminal rotating speed 1200r/min, test period 5min, input pressure 0.45Mpa, 80 ℃ of inlet oil temperatures; During state 5, input end rotating speed 6800r/min, output terminal rotating speed 4000r/min, test period 5min, input pressure 0.25Mpa, 40 ℃ of inlet oil temperatures; During state 6, input end rotating speed 6800r/min, output terminal rotating speed 4000r/min, test period 5min, input pressure 0.25Mpa, 80 ℃ of inlet oil temperatures; During state 7, input end rotating speed 6800r/min, output terminal rotating speed 4000r/min, test period 5min, input pressure 0.45Mpa, 40 ℃ of inlet oil temperatures; During state 8, input end rotating speed 6800r/min, output terminal rotating speed 4000r/min, test period 5min, input pressure 0.45Mpa, 80 ℃ of inlet oil temperatures; Its content of the test such as following table:
| State | The input end rotating speed | The output terminal rotating speed | Test period | Input pressure | |
| 1 | 6800r/min | 1200r/min | 5min | 0.25Mpa | 40 |
| 2 | 6800r/min | 1200r/min | 5min | 0.25Mpa | 80 |
| 3 | 6800r/min | 1200r/min | 5min | 0.45Mpa | 40 |
| 4 | 6800r/min | 1200r/min | 5min | 0.45Mpa | 80 |
| 5 | 6800r/min | 4000r/min | 5min | 0.25Mpa | 40 |
| 6 | 6800r/min | 4000r/min | 5min | 0.25Mpa | 80 |
| 7 | 6800r/min | 4000r/min | 5min | 0.45Mpa | 40 |
| 8 | 6800r/min | 4000r/min | 5min | 0.45Mpa | 80℃ |
Claims (5)
1. sprag clutch high speed dynamic friction torque testing table, it is characterized in that: described testing table comprises: test cavity (4), electric main shaft (2,13), test lubricating system, control system and worktable (15); The input end of end electricity main shaft (13) connects cover (8) in the interior sprag clutch of test cavity (4) by shaft coupling (12), torque sensor (10) on the worktable, is equipped with test clutch (7) between the inside and outside cover of clutch coupling in the test cavity (4); Worktable (15) is gone up the output terminal electricity main shaft (2) of the other end by shaft coupling (3) connection gear axle (5), and the external tooth that is provided with on the external diameter of the clutch outer (6) in gear shaft (5) and the test cavity is connected with a joggle; Its test cavity (4) connection test lubricating system, its electric main shaft, test lubricating system and torque sensor (10) are controlled by control system.
2. sprag clutch high speed dynamic friction torque testing table according to claim 1, it is characterized in that: test cavity (4) is fixed on the worktable (15) for the cavity of sealing, the one upper lateral part is provided with the axis hole of gear shaft (5), and the below of axis hole is provided with several nozzles (23); Opposite side is provided with the axis hole of clutch inner sleeve (8), and its lower end is provided with oil-out (24).
3. sprag clutch high speed dynamic friction torque testing table according to claim 1 is characterized in that: electric main shaft (2,13) and torque sensor (10) are fixed on the worktable (15) by bearing (1,11,14).
4. sprag clutch high speed dynamic friction torque testing table according to claim 1, it is characterized in that: the test lubricating system is the oil jet lubrication mode, and the lubricating oil of being exported by oil pump (18) reaches several nozzles (23) that certain oily moderate pressure is provided with by pressure transducer (19), well heater (20), temperature sensor (21) on oil inlet pipe connection test cavity; Lubricating oil after lubricated is communicated with fuel tank (17) through the oil-out (24) of test cavity by scavenge pipe (16).
5. sprag clutch high speed dynamic friction torque testing table according to claim 1, it is characterized in that: control system drives electric main shaft (2,13) by frequency converter and drives clutch inner sleeve (8) and clutch outer (6) rotation respectively, TT﹠C system by computing machine is sent the tachometric survey signal of feedback into computing machine, finishes the real-time control to the inside and outside cover rotational speed of clutch coupling; Test lubricating status parameter comprises that the charge oil pressure of test lubricating oil and temperature signal are by after testing lubricating system and testing, TT﹠C system via computing machine is sent data into computing machine, control signal according to the computing machine feedback is regulated testing to lubricate with temperature control system respectively, thereby reaches every test lubricating status parameter request of system; Torque sensor (10) is sent into computing machine with the electric signal of the clutch dynamic friction torque value that records by the TT﹠C system of computing machine and is shown in real time and performance analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200923888U CN201083603Y (en) | 2007-10-17 | 2007-10-17 | Sprag clutch high speed dynamic friction moment test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200923888U CN201083603Y (en) | 2007-10-17 | 2007-10-17 | Sprag clutch high speed dynamic friction moment test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083603Y true CN201083603Y (en) | 2008-07-09 |
Family
ID=39626071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200923888U Expired - Fee Related CN201083603Y (en) | 2007-10-17 | 2007-10-17 | Sprag clutch high speed dynamic friction moment test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201083603Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929896B (en) * | 2009-06-24 | 2012-01-18 | 西北工业大学 | High-precision friction dynamic process testing device and method |
| CN102721544A (en) * | 2012-07-11 | 2012-10-10 | 广西工学院 | Comprehensive performance testing table of overrunning clutch |
| CN108414929A (en) * | 2018-01-09 | 2018-08-17 | 湖南大学 | A kind of rotor takeoff condition real-time detection apparatus of air foil bearing bearing high-speed electric expreess locomotive |
| CN111537125A (en) * | 2020-04-03 | 2020-08-14 | 中国航发哈尔滨东安发动机有限公司 | Clutch resisting moment measuring device and measuring method |
| CN112557025A (en) * | 2020-12-07 | 2021-03-26 | 上海交通大学 | Planetary gear test bench for simulating multi-working-condition environment and working method |
-
2007
- 2007-10-17 CN CNU2007200923888U patent/CN201083603Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929896B (en) * | 2009-06-24 | 2012-01-18 | 西北工业大学 | High-precision friction dynamic process testing device and method |
| CN102721544A (en) * | 2012-07-11 | 2012-10-10 | 广西工学院 | Comprehensive performance testing table of overrunning clutch |
| CN108414929A (en) * | 2018-01-09 | 2018-08-17 | 湖南大学 | A kind of rotor takeoff condition real-time detection apparatus of air foil bearing bearing high-speed electric expreess locomotive |
| CN111537125A (en) * | 2020-04-03 | 2020-08-14 | 中国航发哈尔滨东安发动机有限公司 | Clutch resisting moment measuring device and measuring method |
| CN112557025A (en) * | 2020-12-07 | 2021-03-26 | 上海交通大学 | Planetary gear test bench for simulating multi-working-condition environment and working method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201083603Y (en) | Sprag clutch high speed dynamic friction moment test stand | |
| CN101699242B (en) | Accelerated rolling bearing fatigue life tester | |
| CN201862784U (en) | Rear-mounted direct-driven high-speed hydrostatic main shaft structure of numerical control machine tool | |
| CN101852255A (en) | Electric operator for general-purpose mechanical automatic transmission clutch | |
| CN104455280A (en) | High-power output inertia tester | |
| CN202049092U (en) | Friction material testing machine | |
| CN104196720A (en) | Alternating-current servo motor driving device for adjusting displacement of variable vane pump | |
| CN204437196U (en) | Transmission system | |
| CN110595763B (en) | Vibration test device for single-input double-output transmission main shaft system | |
| CN105889438A (en) | Reducer | |
| CN103032544A (en) | Soft start gearcase | |
| CN202715833U (en) | Axial locking mechanism for machine tool spindle | |
| CN201827266U (en) | General electric clutch actuating mechanism for mechanical automatic gearbox | |
| CN108332968B (en) | Running-in test device for transmission of opposite-dragging type new energy automobile | |
| CN101368873B (en) | Exceeding and joint performance testing bench for inclined strut type clutch | |
| CN102213075A (en) | Rotary power head of cosine tooth profile drilling machine | |
| CN204267621U (en) | Speed changer and transmission system | |
| CN111828437B (en) | Clutch centrifugal oil pressure testing device capable of adjusting axial space | |
| CN201251504Y (en) | Connecting device for a wet-type dual-clutch | |
| CN201974345U (en) | Friction property test flume | |
| CN202992096U (en) | Soft start gear box | |
| CN203275085U (en) | Gearbox and central transmission test bench | |
| CN207621212U (en) | A kind of electronics clutch executor assembly | |
| CN206876395U (en) | A kind of novel bearing fatigue life test machine | |
| CN205908370U (en) | Power take off structure that biliquid press pump opposition was arranged |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20101017 |