CN103528740B - Airscrew thrust and magnetic drives torque measuring device - Google Patents
Airscrew thrust and magnetic drives torque measuring device Download PDFInfo
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- CN103528740B CN103528740B CN201310479775.7A CN201310479775A CN103528740B CN 103528740 B CN103528740 B CN 103528740B CN 201310479775 A CN201310479775 A CN 201310479775A CN 103528740 B CN103528740 B CN 103528740B
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- rotating shaft
- slide block
- measurement rotating
- thrust
- thrust measurement
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Abstract
The invention discloses a kind of device for measuring airscrew thrust and magnetic drives moment, comprising survey instrument and mechanism for testing; Described survey instrument comprises tank, flexible strand, counterweight, pendant and has the draw-bar donamometer of data recording function; Described mechanism for testing comprises rail plate, and described rail plate is provided with slide block A and slide block B, and described slide block A is connected by screw rod with described slide block B; Described slide block A is fixed with direct current generator; Described slide block B is fixed with bearing seat, described bearing seat is supported with thrust measurement rotating shaft and torque measurement rotating shaft; The output shaft of described thrust measurement rotating shaft and described direct current generator is coaxially oppositely arranged; At the middle part of described torque measurement rotating shaft, rolling bearing is installed.The present invention can measure the forward direction thrust of screw propeller in laboratory conditions, can measure the magnetic torque of magnetic drives, can measure the oscillating curve of magnetic drives moment.To impeller design, there is very high reference value.
Description
Technical field
The present invention relates to a kind of proving installation of magnetic coupling transmission propeller plant, particularly relating to a kind of device for measuring airscrew thrust and magnetic drives moment.
Background technology
Underwater robot great majority adopt screw propeller to realize preflow push, and propeller plant has multiple way of realization, and wherein state-of-the-art propeller drive form is magnetic coupling transmission, and it is high that magnetic coupling transmission has transmission efficiency, the advantage of good sealing effect.But, current experiment porch or the proving installation still magnetic coupling transmission propeller plant not being carried out to quantitative test.
Summary of the invention
The present invention provides a kind of airscrew thrust and magnetic drives torque measuring device for solving in known technology the technical matters that exists.
The technical scheme that the present invention takes for the technical matters existed in solution known technology is: a kind of device for measuring airscrew thrust and magnetic drives moment, is characterized in that, comprises survey instrument and mechanism for testing; Described survey instrument comprises tank, flexible strand, counterweight, pendant and has the draw-bar donamometer of data recording function; Described mechanism for testing comprises rail plate, and described rail plate is provided with slide block A and slide block B, and described slide block A is connected by screw rod with described slide block B; Described slide block A is fixed with motor fixing seat, in described motor fixing seat, direct current generator is installed; Described slide block B is fixed with bearing seat, described bearing seat is supported with horizontally disposed thrust measurement rotating shaft and horizontally disposed torque measurement rotating shaft, described torque measurement rotating shaft is positioned at directly over described thrust measurement rotating shaft; The output shaft of described thrust measurement rotating shaft and described direct current generator is coaxially oppositely arranged; At the middle part of described torque measurement rotating shaft, rolling bearing is installed, in the middle part of the outer ring of described rolling bearing, is circumferentially provided with the arc groove with described flexible strand adaptation; When carrying out surveying work, in the leading section of described thrust measurement rotating shaft, outer magnetic hub is installed, magnetic hub in the rearward end of the output shaft of described direct current generator is installed; When measuring airscrew thrust, the rearward end of described thrust measurement rotating shaft stretches in described tank through the sidewall of described tank, and described screw propeller is arranged on the rearward end of described thrust measurement rotating shaft, and under water; Connect horizontally disposed described draw-bar donamometer in the rear end of described bearing seat, horizontally disposed described draw-bar donamometer is fixed on described rail plate; When measuring magnetic drives statical moment, described flexible strand walks around described arc groove, one end is connected with described thrust measurement rotating shaft, the other end is connected with described pendant, described counterweight is seated on described pendant, flexible ran between described torque measurement rotating shaft and described thrust measurement rotating shaft is in vertical state, and described slide block A and/or described slide block B are fixedly connected with described rail plate; When measuring magnetic drives torque oscillation curve, described flexible strand walks around described arc groove, one end is connected with described thrust measurement rotating shaft, the other end is connected with the one end of the described draw-bar donamometer vertically arranged, one end of the described draw-bar donamometer of vertical layout is connected with described slide block B, flexible ran between described torque measurement rotating shaft and described thrust measurement rotating shaft is in vertical state, and described slide block A and/or described slide block B are fixedly connected with described rail plate.
The end face of any one sidewall of described tank is provided with the semi-circular recesses with described thrust measurement rotating shaft adaptation, when measuring airscrew thrust, the rearward end of described thrust measurement rotating shaft is through described semi-circular recesses, and the bottom blade of described screw propeller is immersed in water.
The advantage that the present invention has and good effect are: can measure the forward direction thrust that the screw propeller of different pitch, camber, skew back, trim produces under different rotating speeds in laboratory conditions, and these numerical value are to choose reasonable and utilize screw propeller to have good directive significance.Simultaneously the present invention can measure the magnetic torque of magnetic drives, can measure the oscillating curve of statical moment under different magnetic field intensity, different magnetic field spacing and different magnetic field intensity, different magnetic hub spacing, different rotating speeds situation lower magnetic force driving torque.These data have good guiding value for better utilizing magnetic coupling transmission technology, and the impeller design for underwater robot, submarine, boats and ships and various underwater movable platform has very high reference value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is axonometric drawing one of the present invention;
Fig. 3 is axonometric drawing two of the present invention.
In figure: 1, tank, 2, screw propeller, 3, thrust measurement rotating shaft, 4, draw-bar donamometer, 5, torque measurement rotating shaft, 6, rolling bearing, 7, outer magnetic hub, 8, interior magnetic hub, 9, direct current generator, 10, rail plate, 11, motor fixing seat, 12, slide block A, 13, bearing seat, 14, slide block B, 15, flexible strand, 16, pendant, 17, counterweight, 18, screw rod.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 ~ Fig. 3, a kind of device for measuring airscrew thrust and magnetic drives moment, comprises survey instrument and mechanism for testing.
Described survey instrument comprises tank 1, flexible strand 15, counterweight 17, pendant 16 and has the draw-bar donamometer 4 of data recording function.
Described mechanism for testing comprises rail plate 10, and described rail plate 10 is provided with slide block A12 and slide block B 14, and described slide block A12 is connected by screw rod 18 with described slide block B 14.The length of screw rod 18 is different, and the distance between described slide block A12 and described slide block B 14 is different, by adjusting the length of screw rod 18, can adjust the distance between described slide block A12 and described slide block B 14, and then the distance between the outer magnetic hub 7 of adjustment and interior magnetic hub 8.
Described slide block A12 is fixed with motor fixing seat 11, in described motor fixing seat 11, direct current generator 9 is installed.
Described slide block B 14 is fixed with bearing seat 13, and described bearing seat 13 is supported with horizontally disposed thrust measurement rotating shaft 3 and horizontally disposed torque measurement rotating shaft 5, and described torque measurement rotating shaft 5 is positioned at directly over described thrust measurement rotating shaft 3.
Described thrust measurement rotating shaft 3 is coaxially oppositely arranged with the output shaft of described direct current generator 9.
At the middle part of described torque measurement rotating shaft 5, rolling bearing 6 is installed, in the middle part of the outer ring of described rolling bearing 6, is circumferentially provided with the arc groove with described flexible strand 15 adaptation.
When carrying out surveying work, in the leading section of described thrust measurement rotating shaft 3, outer magnetic hub 7 is installed, magnetic hub 8 in the rearward end of the output shaft of described direct current generator 9 is installed.When measuring the thrust of screw propeller 2, the rearward end of described thrust measurement rotating shaft 3 stretches in described tank 1 through the sidewall of described tank 1, and described screw propeller 2 is arranged on the rearward end of described thrust measurement rotating shaft 3, and under water; Connect horizontally disposed described draw-bar donamometer 4 in the rear end of described bearing seat 13, horizontally disposed described draw-bar donamometer 4 is fixed on described rail plate 10; When measuring magnetic drives statical moment, described flexible strand 15 walks around described arc groove, one end is connected with described thrust measurement rotating shaft 3, the other end is connected with described pendant 16, described counterweight 17 is seated on described pendant 16, flexible ran between described torque measurement rotating shaft 5 and described thrust measurement rotating shaft 3 is in vertical state, and described slide block A12 and/or described slide block B 14 are fixedly connected with described rail plate 10; When measuring magnetic drives torque oscillation curve, described flexible strand 15 walks around described arc groove, one end is connected with described thrust measurement rotating shaft 3, the other end is connected with the one end of the described draw-bar donamometer 7 vertically arranged, one end of the described draw-bar donamometer 7 of vertical layout is connected with described slide block B 14, flexible ran between described torque measurement rotating shaft 5 and described thrust measurement rotating shaft 3 is in vertical state, and described slide block A12 and/or described slide block B 14 are fixedly connected with described rail plate 10.
In order to simplify structure, the end face of any one sidewall of described tank 1 is provided with the semi-circular recesses with described thrust measurement rotating shaft 5 adaptation, when measuring the thrust of screw propeller 2, the rearward end of described thrust measurement rotating shaft 3 is through described semi-circular recesses, and the bottom blade of described screw propeller 2 is immersed in water.Screw propeller 2 adopts the mode of half leaching oar to be placed in water.
Principle of work of the present invention:
One) airscrew thrust is measured: the forward direction thrust of screw propeller in different rotating speeds situation in water measuring different designs parameter is the metering system making the simple the present invention of structure adopt half leaching oar.During measurement, take off flexible strand, pendant and counterweight, adopt the spacing of magnetic hub and outer magnetic hub in screw rod adjustment, and keep slide block A and slide block B geo-stationary, meanwhile, slide block A and slide block B can move freely on lower resistance rail plate.Moment of torsion is passed to outer magnetic hub by the mode of magnetic drives by direct current generator, moment of torsion is directly passed to thrust measurement rotating shaft again by outer magnetic hub, carrying screws rotates, screw propeller produces forward direction thrust when rotating, and then promote slide block B and slide block A and move forward, drive horizontally disposed high-precision digital-display draw-bar donamometer, now directly can read the forward direction thrust that screw propeller produces under given speed from draw-bar donamometer.The numerical value of the forward direction thrust that screw propeller produces under each design parameter can be drawn by the screw propeller changing different designs parameter.The forward direction thrust numerical value that the screw propeller under friction speed produces can be obtained by changing the rotating speed of motor.The curve map of the forward direction thrust that analysis data and then the screw propeller under can obtaining different designs parameter, different rotating speeds produce, has very high reference value for angle of rake design.
Two) magnetic drives moment is measured: when 1) measuring statical moment, take off screw propeller and horizontally disposed draw-bar donamometer, slide block A or slide block B are fixed on lower resistance rail plate, one end of flexible strand is connected with thrust measurement rotating shaft, and flexible strand is walked around rolling bearing, pendant is connected to the other end of flexible strand; Direct current generator is placed in on-position, the spacing of interior magnetic hub and outer magnetic hub is adjusted with screw rod, the quality of counterweight in continuous increase flexible strand, until relatively rotate between interior magnetic hub and outer magnetic hub, the moment that now summation of added counterbalance mass and pendant quality produces in thrust measurement rotating shaft is approximately equal to the statical moment of magnetic drives.By changing the spacing of interior magnetic hub and outer magnetic hub, can to measure in different spacing situation between magnetic hub and outer magnetic hub produce the numerical value of statical moment.By changing diameter and the length of inside and outside magnetic hub inside magnet column, the numerical value of the statical moment produced under can measuring different magnetic field intensity.Analysis data can obtain the statical moment curve map under different magnetic field intensity, different magnetic field spacing.Two) oscillating curve of interior transmitting torque between magnetic hub and outer magnetic hub under measuring different rotating speeds: take off counterweight and pendant during measurement, change the high-precision digital-display draw-bar donamometer with data recording function, draw-bar donamometer is vertically arranged, start direct current generator, pass through magnetic drives, pass torque to thrust measurement rotating shaft, and then drive flexible strand, flexible strand pulls again the high-precision digital-display draw-bar donamometer with data recording function, now interior magnetic hub rotates, outer magnetic hub is static, can produce vibration, and then kinetic moment suffered on the outer magnetic hub of impact.The numerical value had under the effect of magnetic drives on the high-precision digital-display draw-bar donamometer of data recording function can constantly fluctuate and record, by intensity and the two magnetic field spacing in change DC motor speed, magnetic field, the oscillating curve of different magnetic field intensity, different magnetic hub spacing, different rotating speeds situation lower magnetic force driving torque can be measured.Above data have good directive function for the design of magnetic drives.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (2)
1. for measuring a device for airscrew thrust and magnetic drives moment, it is characterized in that, comprising survey instrument and mechanism for testing;
Described survey instrument comprises tank, flexible strand, counterweight, pendant and has the draw-bar donamometer of data recording function;
Described mechanism for testing comprises rail plate, and described rail plate is provided with slide block A and slide block B, and described slide block A is connected by screw rod with described slide block B;
Described slide block A is fixed with motor fixing seat, in described motor fixing seat, direct current generator is installed;
Described slide block B is fixed with bearing seat, described bearing seat is supported with horizontally disposed thrust measurement rotating shaft and horizontally disposed torque measurement rotating shaft, described torque measurement rotating shaft is positioned at directly over described thrust measurement rotating shaft;
The output shaft of described thrust measurement rotating shaft and described direct current generator is coaxially oppositely arranged;
At the middle part of described torque measurement rotating shaft, rolling bearing is installed, in the middle part of the outer ring of described rolling bearing, is circumferentially provided with the arc groove with described flexible strand adaptation;
When carrying out surveying work, in the leading section of described thrust measurement rotating shaft, outer magnetic hub is installed, magnetic hub in the rearward end of the output shaft of described direct current generator is installed;
When measuring airscrew thrust, the rearward end of described thrust measurement rotating shaft stretches in described tank through the sidewall of described tank, and described screw propeller is arranged on the rearward end of described thrust measurement rotating shaft, and under water; Connect horizontally disposed described draw-bar donamometer in the rear end of described bearing seat, horizontally disposed described draw-bar donamometer is fixed on described rail plate;
When measuring magnetic drives statical moment, described flexible strand walks around described arc groove, one end is connected with described thrust measurement rotating shaft, the other end is connected with described pendant, described counterweight is seated on described pendant, flexible ran between described torque measurement rotating shaft and described thrust measurement rotating shaft is in vertical state, and described slide block A and/or described slide block B are fixedly connected with described rail plate;
When measuring magnetic drives torque oscillation curve, described flexible strand walks around described arc groove, one end is connected with described thrust measurement rotating shaft, the other end is connected with the one end of the described draw-bar donamometer vertically arranged, one end of the described draw-bar donamometer of vertical layout is connected with described slide block B, flexible ran between described torque measurement rotating shaft and described thrust measurement rotating shaft is in vertical state, and described slide block A and/or described slide block B are fixedly connected with described rail plate.
2. the device for measuring airscrew thrust and magnetic drives moment according to claim 1, it is characterized in that, the end face of any one sidewall of described tank is provided with the semi-circular recesses with described thrust measurement rotating shaft adaptation, when measuring airscrew thrust, the rearward end of described thrust measurement rotating shaft is through described semi-circular recesses, and the bottom blade of described screw propeller is immersed in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479775.7A CN103528740B (en) | 2013-10-14 | 2013-10-14 | Airscrew thrust and magnetic drives torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479775.7A CN103528740B (en) | 2013-10-14 | 2013-10-14 | Airscrew thrust and magnetic drives torque measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103528740A CN103528740A (en) | 2014-01-22 |
| CN103528740B true CN103528740B (en) | 2015-10-21 |
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| CN201310479775.7A Expired - Fee Related CN103528740B (en) | 2013-10-14 | 2013-10-14 | Airscrew thrust and magnetic drives torque measuring device |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316290A (en) * | 2014-11-15 | 2015-01-28 | 西北工业大学 | Combined type propeller thrust torque measurement device |
| CN104316229B (en) * | 2014-11-15 | 2016-04-27 | 西北工业大学 | A kind of screw propeller dynamic tension and moment of torsion duplex measurement device |
| CN104483053B (en) * | 2014-12-25 | 2017-02-08 | 深圳市博尔创意文化发展有限公司 | Torque measuring device of small engine |
| CN104596692B (en) * | 2014-12-26 | 2017-04-26 | 浙江海洋学院 | Propeller thrust measuring device for small boat |
| CN107884113B (en) * | 2017-10-19 | 2019-09-13 | 哈尔滨工业大学 | A kind of thrust test method for underwater propeller propeller |
| CN108918136B (en) * | 2018-05-17 | 2020-04-21 | 西安理工大学 | Propeller dynamic tension and torsion measuring device |
| CN109823568B (en) * | 2019-02-01 | 2022-06-03 | 南京乾利合科技有限责任公司 | Automatic measuring system for moment of airplane blade |
| CN109827696B (en) * | 2019-04-01 | 2023-08-11 | 重庆交通职业学院 | Thrust testing device for underwater robot propeller |
| CN110006567B (en) * | 2019-04-03 | 2020-10-02 | 江苏科技大学 | Measuring device for obtaining thrust characteristics of propeller under deep sea environment |
| CN113008531B (en) * | 2019-12-20 | 2022-07-15 | 海鹰航空通用装备有限责任公司 | Measuring device for propeller tension and torque |
| CN113008532B (en) * | 2019-12-20 | 2022-07-15 | 海鹰航空通用装备有限责任公司 | Method for measuring tension and torque of propeller |
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| CN2045109U (en) * | 1989-02-19 | 1989-09-27 | 浙江省机电设计研究院 | High-precision fixing apparatus for motor ergometric machinery |
| CN101436356A (en) * | 2008-12-16 | 2009-05-20 | 北京航空航天大学 | Apparatus and method for measuring gyro moment |
| CN103144758A (en) * | 2013-03-21 | 2013-06-12 | 国家海洋技术中心 | Flexible shaft transmission underwater propeller propelling device |
| CN203629731U (en) * | 2013-10-14 | 2014-06-04 | 国家海洋技术中心 | Propeller push force and magnetic force transmission torque measuring device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0296625U (en) * | 1989-01-17 | 1990-08-01 | ||
| EP0831314A1 (en) * | 1996-09-19 | 1998-03-25 | Martin Lauener | Device for measuring torque |
| JP4930257B2 (en) * | 2007-08-06 | 2012-05-16 | 株式会社ダイフク | Sliding resistance detecting device and monitoring device for laterally-pressed article in slat conveyor |
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2013
- 2013-10-14 CN CN201310479775.7A patent/CN103528740B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045109U (en) * | 1989-02-19 | 1989-09-27 | 浙江省机电设计研究院 | High-precision fixing apparatus for motor ergometric machinery |
| CN101436356A (en) * | 2008-12-16 | 2009-05-20 | 北京航空航天大学 | Apparatus and method for measuring gyro moment |
| CN103144758A (en) * | 2013-03-21 | 2013-06-12 | 国家海洋技术中心 | Flexible shaft transmission underwater propeller propelling device |
| CN203629731U (en) * | 2013-10-14 | 2014-06-04 | 国家海洋技术中心 | Propeller push force and magnetic force transmission torque measuring device |
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| CN103528740A (en) | 2014-01-22 |
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