CN204831669U - Screw drive rotary device - Google Patents
Screw drive rotary device Download PDFInfo
- Publication number
- CN204831669U CN204831669U CN201520562801.7U CN201520562801U CN204831669U CN 204831669 U CN204831669 U CN 204831669U CN 201520562801 U CN201520562801 U CN 201520562801U CN 204831669 U CN204831669 U CN 204831669U
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- CN
- China
- Prior art keywords
- drive motor
- supporting seat
- screw propeller
- screw
- propeller
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Abstract
Provided is a screw drive rotary device. Development screw synchronous revolution measuring force device has important meaning. A screw synchronous revolution measuring force device which constitutes and includes: driving motor supporting seat (b) (b) 1 (b) (b), driving motor bracket (b) (b) 3 (b) (b), the driving motor supporting seat is installed on mounting platform (b) (b) 22 (b) (b), the front end installation driving motor supporting seat fixed axle (b) (b) 3 (b) (b) of driving motor supporting seat, the driving motor bracket is installed at the other end of driving motor supporting seat fixed axle and is locked with driving motor bracket fastening screw (b) (b) 4 (b) (b), install frequency conversion AC motor (b) (b) 5 (b) (b) on the driving motor bracket, frequency conversion AC motor's output shaft and high -speed shaft coupling (b) (b) A (b) (b) (b) (b) 6 (b) (b) are connected, high -speed shaft coupling (b) (b) A (b) (b) the other end is connected with torque sensor (b) (b) 7 (b) (b), torque sensor's the other end and high -speed shaft coupling (b) (b) B (b) (b) (b) (b) 9 (b) (b) are connected, high -speed shaft coupling (b) (b) B's (b) (b) the other end and screw are connected support connection axle (b) (b) 13 (b) (b) and are connected. The utility model discloses be applied to screw drive rotary device. (B, )
Description
technical field:
the utility model relates to a kind of screw propeller and drives whirligig, six component turning axle balances, screw propeller, slip ring electrical feedthrough, mainly installs six component turning axle balances at propeller hub place, and with the device for measuring force of screw propeller synchronous rotary.
background technology:
along with constantly carrying out of China's aircraft project, wherein turboprop has the features such as propulsive efficiency is high, fuel consume is low when low subsonic speed, turboprop is adopted to have take off (landings) apart from the advantage such as short, the cruise time is grown, so be commonly used on the dopey that cruise Mach number is lower as the turboprop aircraft of propulsion system.Especially adopt the screw propeller of new aerofoil taking off, to climb and under higher flying speed, than original screw propeller, there is better performance, so turbo oar engine is more widely used on the machines such as general-purpose aircraft, feeder liner, military transportation airplane, shipboard early warning aircraft and land-effect plane.
therefore, it is possible to measure pulling force and the moment of torsion of screw propeller accurately, development screw propeller synchronous rotary device for measuring force has great significance for the development of propeller aeroplane.
summary of the invention:
the purpose of this utility model is to provide a kind of screw propeller synchronous rotary device for measuring force.
above-mentioned object is realized by following technical scheme:
a kind of screw propeller drives whirligig, its composition comprises: drive motor, described drive motor adopts frequency-conversion alternating current motor, the output shaft of described frequency-conversion alternating current motor is connected with torque sensor, described torque sensor is fixed on mounting platform, described torque sensor is connected with screw propeller through high-speed coupling B, described screw propeller is connected with slip ring electrical feedthrough, the other end of described slip ring electrical feedthrough is connected with six component turning axle balances, and six described component turning axle balances are connected with propeller hub.
described screw propeller drives whirligig, described drive motor comprises drive motor supporting seat, drive motor bracket, described drive motor supporting seat is fixed on mounting platform, drive motor supporting seat stationary shaft is installed in the front end of described drive motor supporting seat, described drive motor bracket is arranged on the other end of drive motor supporting seat stationary shaft and with the locking of drive motor bracket trip bolt, described drive motor bracket is provided with described frequency-conversion alternating current motor.
described screw propeller drives whirligig, the output shaft of described frequency-conversion alternating current motor is connected with high-speed coupling A, the described high-speed coupling A other end is connected with torque sensor, and the other end of described high-speed coupling B is connected with the supporting seat coupling shaft of screw propeller.
described screw propeller drives whirligig, and described propeller hub is provided with propeller blade by propeller blade lock-screw, and outside described propeller hub, cover has screw propeller cap.
the beneficial effects of the utility model:
1. the utility model screw propeller synchronous rotary device for measuring force is arranged in ground surface platform, and the drive unit of screw propeller adopts frequency-conversion alternating current motor, and motor size is little, power is large, and frequency-conversion alternating current motor is arranged on electric machine support.Front end high-speed coupling is connected with torque sensor, torque sensor is based on strain measurement principle, elastic body produces elastic deformation under external force, the resistance strain gage being pasted onto its surface is made also to produce distortion, after resistance strain gage distortion, its resistance will change, and namely increase or reduce, through corresponding metering circuit, this resistance variations is converted to electric signal again, thus power is converted to electric signal.Torque sensor front end is connected with screw propeller connecting support seat with high-speed coupling, and screw propeller connecting support seat is drawn axle and is connected with six component turning axle balances.Screw propeller is arranged on after on propeller hub and is connected with six component turning axle balances, and it is high that six component turning axle balances have precision, and volume is little, and range is moderate, uniform quality, and lead-in wire is convenient, and High Rotation Speed, its electric signal is drawn by slip ring electrical feedthrough.The present invention gives a kind of screw propeller synchronous force measurement method, reduction equipment rotates the vibration and signal disturbing that bring, realizes the Measurement accuracy of rotating screw force and moment
2. the utility model screw propeller synchronous rotary device for measuring force, dynamometry scope resistance 0 ~ 300N, moment of torsion 0 ~ 22N.m sensitivity error is 0.5%, and linearity error is 0.018%, failing load coefficient 3.0.The comprehensive loading accuracy of balance rolls unit higher than 0.2% higher than 0.1%().Realize the high-acruracy survey of propeller load.
when the dynamometer check of screw propeller synchronous rotary is carried out in this practicality, propeller blade is driven by frequency-conversion alternating current motor [5], the vibration produced and diameter run-out are eliminated by high-speed coupling A and high-speed coupling B, and the load of propeller blade is measured by six component turning axle balances of synchronous rotary, and electric signal is drawn by slip ring electrical feedthrough [21], dynamometry scope resistance 0 ~ 300N, moment of torsion 0 ~ 22N.m, lift 0 ~ 50N, pitching moment 0 ~ 25N.m, side force 0 ~ 40N, yawing 0 ~ 45N.m.
accompanying drawing illustrates:
accompanying drawing 1 is the structural representation of this practical screw propeller synchronous rotary device for measuring force and six component turning axle balances.
accompanying drawing 2 is screw propeller synchronous rotary device for measuring force structural representations.
accompanying drawing 3 is A place enlarged diagrams in accompanying drawing 1.
accompanying drawing 4 is B place enlarged diagrams in accompanying drawing 2.
embodiment:
embodiment 1:
a kind of screw propeller synchronous rotary device for measuring force, its composition comprises: drive motor supporting seat 1, drive motor bracket 3, described drive motor supporting seat is arranged on mounting platform 22, drive motor supporting seat stationary shaft 3 is installed in the front end of described drive motor supporting seat, described drive motor bracket is arranged on the other end of drive motor supporting seat stationary shaft and locks with drive motor bracket trip bolt 4, described drive motor bracket is provided with frequency-conversion alternating current motor 5, the output shaft of described frequency-conversion alternating current motor is connected with high-speed coupling A6, the described high-speed coupling A other end is connected with torque sensor 7, the other end of described torque sensor is connected with high-speed coupling B9, described torque sensor is fixed on mounting platform, the other end of described high-speed coupling B is connected with screw propeller connecting support seat coupling shaft 13, described screw propeller connecting support seat coupling shaft is arranged on screw propeller connecting support seat 12 after being connected with screw propeller connecting support seat coupling shaft spring bearing, described supporting seat coupling shaft spring bearing two ends screw propeller connecting support seat bearing (ball) cover 10 and screw propeller connecting support seat trip bolt are fixed, the other end of described screw propeller connecting support seat coupling shaft is connected with slip ring electrical feedthrough 21, the other end of described slip ring electrical feedthrough is connected with six component turning axle balances 15, six described component turning axle balances are connected with propeller hub 17, described propeller hub is provided with propeller blade 16 by propeller blade lock-screw 20, outside described propeller hub, cover has screw propeller cap 19.
Claims (4)
1.
a kind of screw propeller drives whirligig, its composition comprises: drive motor, it is characterized in that: described drive motor adopts frequency-conversion alternating current motor, the output shaft of described frequency-conversion alternating current motor is connected with torque sensor, described torque sensor is fixed on mounting platform, described torque sensor is connected with screw propeller through high-speed coupling B, described screw propeller is connected with slip ring electrical feedthrough, the other end of described slip ring electrical feedthrough is connected with six component turning axle balances, and six described component turning axle balances are connected with propeller hub.
2.
screw propeller according to claim 1 drives whirligig, it is characterized in that: described drive motor comprises drive motor supporting seat, drive motor bracket, described drive motor supporting seat is fixed on mounting platform, drive motor supporting seat stationary shaft is installed in the front end of described drive motor supporting seat, described drive motor bracket is arranged on the other end of drive motor supporting seat stationary shaft and with the locking of drive motor bracket trip bolt, described drive motor bracket is provided with described frequency-conversion alternating current motor.
3.
screw propeller according to claim 1 and 2 drives whirligig, it is characterized in that: the output shaft of described frequency-conversion alternating current motor is connected with high-speed coupling A, the described high-speed coupling A other end is connected with torque sensor, and the other end of described high-speed coupling B is connected with the supporting seat coupling shaft of screw propeller.
4.
screw propeller according to claim 1 and 2 drives whirligig, it is characterized in that: described propeller hub is provided with propeller blade by propeller blade lock-screw, and outside described propeller hub, cover has screw propeller cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562801.7U CN204831669U (en) | 2015-07-30 | 2015-07-30 | Screw drive rotary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562801.7U CN204831669U (en) | 2015-07-30 | 2015-07-30 | Screw drive rotary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831669U true CN204831669U (en) | 2015-12-02 |
Family
ID=54689260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520562801.7U Expired - Fee Related CN204831669U (en) | 2015-07-30 | 2015-07-30 | Screw drive rotary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204831669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021337A (en) * | 2015-07-30 | 2015-11-04 | 中国航空工业集团公司哈尔滨空气动力研究所 | Propeller driving rotation force measuring apparatus and force measuring method |
-
2015
- 2015-07-30 CN CN201520562801.7U patent/CN204831669U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021337A (en) * | 2015-07-30 | 2015-11-04 | 中国航空工业集团公司哈尔滨空气动力研究所 | Propeller driving rotation force measuring apparatus and force measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |