CN107525669A - Fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine - Google Patents
Fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine Download PDFInfo
- Publication number
- CN107525669A CN107525669A CN201611002841.1A CN201611002841A CN107525669A CN 107525669 A CN107525669 A CN 107525669A CN 201611002841 A CN201611002841 A CN 201611002841A CN 107525669 A CN107525669 A CN 107525669A
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- CN
- China
- Prior art keywords
- shaft coupling
- bearing block
- torque sensor
- cycle life
- variable frequency
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- 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.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine, field is tested for mechanical transmission component.Variable frequency high-speed motor is installed, variable frequency high-speed motor output shaft inputs axis connection by shaft coupling one and bearing block one, and high speed cage shaft coupling left end flange exports shaft flange with bearing block one and is connected on the base one of loading section；Torque sensor, bearing block two are installed on base two and survey work machine；The right-hand member flange of high speed cage shaft coupling is connected with torque sensor, the input axis connection of torque sensor and bearing block two, and the output shaft of bearing block two is connected with surveying work machine input shaft by shaft coupling two；Control system is connected with variable frequency high-speed motor, torque sensor, survey work machine respectively, and internal electric network provides power for control system.The present invention can simulate high speed cage shaft coupling actual condition to greatest extent, and reliability and life test are done to high speed cage shaft coupling, loading load can be largely changed into electric energy.
Description
Technical field
The present invention relates to mechanical transmission component technical field of test equipment, is specifically that one kind is used to test high speed cage shaft coupling
The testing equipment of device fatigue cycle life.
Background technology
High speed cage shaft coupling species is a lot, applies mostly in fields such as Aeronautics and Astronautics, special vehicles, its working speed
Thousands of rev/min are can reach, but the testing equipment of domestic experiment high speed cage shaft coupling fatigue cycle life is seldom, directly makes
The about research and development of high speed cage shaft coupling.
The content of the invention
For overcome the deficiencies in the prior art, goal of the invention of the invention is to provide a kind of fixed angle electric-machine directly-driven shaft coupling
Device fatigue cycle life testing machine, fatigue cycle life experiment can be done to high speed cage shaft coupling in good time.
For achieving the above object, the present invention includes loading section, control system；
Variable frequency high-speed motor is installed, the output shaft of variable frequency high-speed motor passes through shaft coupling one on the base one of the loading section
With the input axis connection of bearing block one, the left end flange of high speed cage shaft coupling is connected with the output shaft flange of bearing block one；Bottom
Torque sensor, bearing block two are installed on seat two and survey work machine；The right-hand member flange and torque sensor of high speed cage shaft coupling
Connection, the input axis connection of torque sensor and bearing block two, the output shaft of bearing block two pass through connection with surveying the input shaft of work machine
Axle device two connects；
The control system is connected with variable frequency high-speed motor, torque sensor, survey work machine respectively, and internal electric network carries for control system
For power.
The three-phase electricity that the survey work machine is sent is incorporated to internal electric network by boost rectifier, offsets part variable frequency high-speed motor
Input power.
The torque sensor is wireless transmission type torque sensor.
The control system carries moment of torsion pressure out-of-limit alarming device.
The input shaft centre line of output shaft centre line and the bearing block two of the bearing block one on horizontal plane direction away from
From for H, base one for can horizontal axis moving structure, on horizontal plane direction, high speed cage shaft coupling is defeated with bearing block one
The angle for going out shaft centre line is α.
The present invention compared with prior art, can simulate the real work operating mode of high speed cage shaft coupling to greatest extent, than
Such as change of rotating speed, setting angle and loading, fatigue cycle life experiment is done to high speed cage shaft coupling；Can be the negative of loading
Lotus is largely changed into electric energy, is incorporated to internal electric network, energy-conserving and environment-protective, has saved experimentation cost, reduces testing expenses；Can be big
Width shortens verification experimental verification and the installation proving time of high speed cage shaft coupling, and the research and development for accelerating high speed cage shaft coupling is entered
Journey.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is control system logic diagram of the present invention.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes loading section, control system.
Variable frequency high-speed motor 5 is installed, shaft coupling 1 is high by key 1 and frequency conversion on the base 1 of the loading section
The output axis connection of speed motor 5, shaft coupling 1 pass through the input axis connection of key 29 and bearing block 1, high speed cage shaft coupling
13 left end flange 12 is connected with the output shaft flange of bearing block 1；As shown in Fig. 2 in the output shaft of the bearing block 1
Distance of the input shaft centre line of heart line and bearing block 2 15 on horizontal plane direction is H, and base 1 is can horizontal axis movement
Structure, on horizontal plane direction, the angle between high speed cage shaft coupling 13 and the output shaft of bearing block 1 is α, can be the bottom of to
Seat 1 is moved horizontally, to adapt to the length of different high speed cage shaft couplings 13, by adjusting high speed cage shaft coupling 13
Length L values and range difference H values, to ensure the operating angle α of high speed cage shaft coupling 13.Moment of torsion biography is installed on base 2 24
Sensor 14, bearing block 2 15 and survey work machine 21；The right-hand member flange of high speed cage shaft coupling 13 is connected with torque sensor 14, moment of torsion
The input axis connection of sensor 14 and bearing block 2 15, shaft coupling 2 16 are connected by the output shaft of key 3 18 and bearing block 2 15
Connect, shaft coupling 2 16 is turned round by key 4 19 and the input axis connection for surveying work machine 21, the torque sensor 14 for wireless transmission type
Square sensor.
The control system is connected with variable frequency high-speed motor 5, torque sensor 14, survey work machine 21 respectively, and internal electric network is
Control system provides power.Control system also has the due various protection devices of automation equipment such as moment of torsion overload alarm.
The three-phase electricity that the survey work machine 21 is sent is incorporated to internal electric network by boost rectifier 1, can offset part frequency conversion
The input power of high-speed electric expreess locomotive 5, the kinetic energy of loading load can be changed into electric energy.
The job order of the present invention is as follows：
1st, after each part self-test is errorless, control system presses programme-control torque sensor 14, starts variable frequency high-speed motor 5, drives
Sample high speed cage shaft coupling 13 and survey work machine 21 and rotate, torque sensor 14 is the data feedback of detection to control system；
2nd, control system is by parameter set in advance (parameter is determined by the actual condition of simulation sample), by surveying work machine 21 to height
Fast cage shaft coupling 13 loads moment of torsion, and the kinetic energy of input can be changed into electric energy by surveying work machine 21, and the size of moment of torsion is by torque sensing
Device 14 is detected, and the loading moment of torsion of work machine 21 is surveyed in closed-loop control, and the moment of torsion of loading can be the curve of dynamic change；
3rd, control system is controlled by parameter set in advance to the rotating speed of high speed cage shaft coupling 13, by the change of control system
Frequency device controls the rotating speed of variable frequency high-speed motor 5, and the internal sensor of variable frequency high-speed motor 5 detects the rotating speed of variable frequency high-speed motor 5,
And control system is fed data back to, with the rotating speed of closed-loop control variable frequency high-speed motor 5；
4th, by advance parameter setting, by adjusting L values and H values, to ensure the operating angle α of high speed cage shaft coupling 13；
5th, control system can show in real time by data real-time display that torque sensor 14 monitors on the screen of control system
Show or draw moment of torsion and the curve of rotating speed.
Claims (5)
- A kind of 1. fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine, it is characterised in that：Including loading section, control System processed；The base one of the loading section（2）On variable frequency high-speed motor is installed（5）, variable frequency high-speed motor（5）Output shaft lead to Cross shaft coupling one（8）With bearing block one（11）Input axis connection, high speed cage shaft coupling（13）Left end flange（12）With axle Bearing one（11）Output shaft flange connection；Base two（24）On torque sensor is installed（14）, bearing block two（15）And survey Work machine（21）；High speed cage shaft coupling（13）Right-hand member flange and torque sensor（14）Connection, torque sensor（14）With axle Bearing two（15）Input axis connection, bearing block two（15）Output shaft with survey work machine（21）Input shaft pass through shaft coupling two （16）Connection；The control system respectively with variable frequency high-speed motor（5）, torque sensor（14）, survey work machine（21）Connection, internal electric network Power is provided for control system.
- 2. fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine according to claim 1, it is characterised in that： The survey work machine（21）The three-phase electricity sent passes through boost rectifier（1）Internal electric network is incorporated to, offsets part variable frequency high-speed motor （5）Input power.
- 3. fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine according to claim 1, it is characterised in that： The torque sensor（14）For wireless transmission type torque sensor.
- 4. fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine according to claim 1, it is characterised in that： The control system carries moment of torsion pressure out-of-limit alarming device.
- 5. fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine according to claim 1, it is characterised in that： The bearing block one（11）Output shaft centre line and bearing block two（15）Input shaft centre line on horizontal plane direction away from From for H, base one（2）For can horizontal axis moving structure, on horizontal plane direction, high speed cage shaft coupling（13）With bearing block One（11）The angle of output shaft centre line be α.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611002841.1A CN107525669A (en) | 2016-11-15 | 2016-11-15 | Fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611002841.1A CN107525669A (en) | 2016-11-15 | 2016-11-15 | Fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525669A true CN107525669A (en) | 2017-12-29 |
Family
ID=60748540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611002841.1A Pending CN107525669A (en) | 2016-11-15 | 2016-11-15 | Fixed angle electric-machine directly-driven shaft coupling fatigue cycle life testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107525669A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738105A (en) * | 2016-04-15 | 2016-07-06 | 青岛科技大学 | Large-torque large-deflection-angle universal coupling testing stand |
| CN205539389U (en) * | 2016-01-22 | 2016-08-31 | 武汉理工大学 | Energy -saving boats and ships load analogue means |
-
2016
- 2016-11-15 CN CN201611002841.1A patent/CN107525669A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205539389U (en) * | 2016-01-22 | 2016-08-31 | 武汉理工大学 | Energy -saving boats and ships load analogue means |
| CN105738105A (en) * | 2016-04-15 | 2016-07-06 | 青岛科技大学 | Large-torque large-deflection-angle universal coupling testing stand |
Non-Patent Citations (1)
| Title |
|---|
| 黄灿超: "球笼式万向联轴器试验设计与性能分析", 《三峡大学学报（自然科学版）》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171229 |
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| WD01 | Invention patent application deemed withdrawn after publication |