CN103528740A - Device for measuring thrust force of propeller and magnetic transmission torque - Google Patents
Device for measuring thrust force of propeller and magnetic transmission torque Download PDFInfo
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- CN103528740A CN103528740A CN201310479775.7A CN201310479775A CN103528740A CN 103528740 A CN103528740 A CN 103528740A CN 201310479775 A CN201310479775 A CN 201310479775A CN 103528740 A CN103528740 A CN 103528740A
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Abstract
The invention discloses a device for measuring the thrust force of a propeller and magnetic transmission torque. The device comprises measuring tools and a test mechanism, wherein the measuring tools include a water groove, a flexible rope, a weight, a pendant and a dynamometer having a data recording function; the test mechanism comprises a sliding guide rail; a slide block A and a slide block B are arranged on the sliding guide rail; the slide block A is connected with the slide block B through a screw rod; a direct current motor is fixed on the slide block A; a bearing base is fixed on the slide block B; a thrust force measuring revolving shaft and a torque measuring revolving shaft are supported on the bearing base; the thrust force measuring revolving shaft and the torque measuring revolving shaft are arranged coaxially opposite to each other; a rolling bearing is arranged on the middle part of torque measuring revolving shaft. The device can be used for measuring the forward thrust force of the propeller under a laboratory condition, and can be used for measuring the magnetic torque of magnetic transmission and the oscillation curve of the magnetic transmission torque. The device has a very high reference value in the design of the propeller.
Description
Technical field
The present invention relates to a kind of proving installation of magnetic coupling transmission propeller plant, particularly relate to a kind of for measuring the device of 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 screw propeller type of belt drive is magnetic coupling transmission, and it is high that magnetic coupling transmission has transmission efficiency, the advantage of good sealing effect.Yet, current experiment porch or the proving installation that still magnetic coupling transmission propeller plant is not carried out quantitative test.
Summary of the invention
The present invention provides a kind of airscrew thrust and magnetic drives torque measuring device for solving the technical matters existing in known technology.
The technical scheme that the present invention takes for the technical matters existing in solution known technology is: a kind of for measuring the device of airscrew thrust and magnetic drives moment, it is characterized in that, and comprise 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 slide block A and slide block B are installed on described rail plate, and described slide block A is connected by screw rod with described slide block B; On described slide block A, be fixed with motor fixing seat, in described motor fixing seat, direct current generator be installed; In described slide block B, be fixed with bearing seat, at described bearing seat upper support, have horizontally disposed thrust measurement rotating shaft and horizontally disposed torque measurement rotating shaft, described torque measurement rotating shaft be positioned at described thrust measurement rotating shaft directly over; The output shaft of described thrust measurement rotating shaft and described direct current generator is coaxially oppositely arranged; Middle part in described torque measurement rotating shaft is provided with rolling bearing, and the edge, middle part, outer ring of described rolling bearing is circumferentially with the arc groove with described flexible strand adaptation; When carrying out surveying work, at the leading section of described thrust measurement rotating shaft, outer magnetic hub is installed, magnetic hub in the rearward end installation of the output shaft of described direct current generator; 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; In the rear end of described bearing seat, connect horizontally disposed described draw-bar donamometer, horizontally disposed described draw-bar donamometer is fixed on described rail plate; When measuring magnetic drives statical moment, described flexible strand is walked 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 is walked around described arc groove, one end is connected with described thrust measurement rotating shaft, the other end is connected with one end of the described draw-bar donamometer of vertically arranging, one end of the described draw-bar donamometer of vertically arranging 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 below blade of described screw propeller is immersed in water.
Advantage and good effect that the present invention has are: the forward direction thrust that can produce under different rotating speeds the screw propeller of different pitch, camber, skew back, trim under laboratory condition is measured, 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 are for better utilizing magnetic coupling transmission technology to have good guiding value, for the impeller design of underwater robot, submarine, boats and ships and various underwater movable platforms, have 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 further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1～Fig. 3, a kind of for measuring the device of airscrew thrust and magnetic drives moment, comprise 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 slide block A12 and slide block B 14 are installed on described rail plate 10, 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 adjusts the distance between outer magnetic hub 7 and interior magnetic hub 8.
On described slide block A12, be fixed with motor fixing seat 11, in described motor fixing seat 11, direct current generator 9 be installed.
In described slide block B 14, be fixed with bearing seat 13, at described bearing seat 13 upper supports, have horizontally disposed thrust measurement rotating shaft 3 and horizontally disposed torque measurement rotating shaft 5, described torque measurement rotating shaft 5 be positioned at described thrust measurement rotating shaft 3 directly over.
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, the edge, middle part, outer ring of described rolling bearing 6 is circumferentially with the arc groove with described flexible strand 15 adaptations.
When carrying out surveying work, at the leading section of described thrust measurement rotating shaft 3, outer magnetic hub 7 is installed, magnetic hub 8 in the rearward end installation of the output shaft of described direct current generator 9.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; In the rear end of described bearing seat 13, connect horizontally disposed described draw-bar donamometer 4, horizontally disposed described draw-bar donamometer 4 is fixed on described rail plate 10; When measuring magnetic drives statical moment, described flexible strand 15 is walked 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 is walked around described arc groove, one end is connected with described thrust measurement rotating shaft 3, the other end is connected with one end of the described draw-bar donamometer 7 of vertically arranging, one end of the described draw-bar donamometer 7 of vertically arranging 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.
For simplified structure, on the end face of any one sidewall of described tank 1, be provided with the semi-circular recesses with described thrust measurement rotating shaft 5 adaptations, 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 below blade of described screw propeller 2 is immersed in water.Screw propeller 2 adopts the mode of partly soaking oar to be placed in water.
Principle of work of the present invention:
One) measure airscrew thrust: measure screw propeller forward direction thrust in water in different rotating speeds situation of different designs parameter, for making the present invention simple in structure adopt the metering system that partly soaks oar.During measurement, take off flexible strand, pendant and counterweight, adopt screw rod to adjust the spacing of interior magnetic hub and outer magnetic hub, and keep slide block A relative with slide block B static, meanwhile, slide block A and slide block B can move freely on lower resistance rail plate.Direct current generator passes to outer magnetic hub by the mode of magnetic drives by moment of torsion, outer magnetic hub is directly passed to moment of torsion again thrust measurement rotating shaft, the rotation of drive screw propeller, screw propeller produces forward direction thrust in the situation that rotating, and then promote slide block B and slide block A moves forward, drive horizontally disposed high-precision digital-display draw-bar donamometer, now from draw-bar donamometer, can directly read the forward direction thrust that screw propeller produces under given speed.By changing the screw propeller of different designs parameter, can draw the numerical value of the forward direction thrust that under each design parameter, screw propeller produces.By changing the rotating speed of motor, can obtain the forward direction thrust numerical value that the screw propeller under friction speed produces.Analyze data and then can obtain the curve map of the forward direction thrust that the screw propeller under different designs parameter, different rotating speeds produces, for angle of rake design, there is very high reference value.
Two) measure magnetic drives moment: while 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 to rolling bearing, pendant is connected to the other end of flexible strand; Direct current generator is placed in to on-position, with screw rod, adjust the spacing of interior magnetic hub and outer magnetic hub, constantly increase the quality of counterweight in flexible strand, until relatively rotate between interior magnetic hub and outer magnetic hub, now add the statical moment that moment that the summation of counterbalance mass and pendant quality produces in thrust measurement rotating shaft is approximately equal to magnetic drives.By changing the spacing of interior magnetic hub and outer magnetic hub, the numerical value of the statical moment that produces between magnetic hub and outer magnetic hub in can measuring in different spacing situation.By changing diameter and the length of inside and outside magnetic hub inside magnet column, can measure the numerical value of the statical moment producing under different magnetic field intensity.Analyze data and can obtain the statical moment curve map under different magnetic field intensity, different magnetic field spacing.Two) oscillating curve of transmitting torque between magnetic hub and outer magnetic hub in measuring under 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 suffered kinetic moment on the outer magnetic hub of impact.The numerical value having 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 changing intensity and the two magnetic field spacing in DC motor speed, magnetic field, can measure the oscillating curve of different magnetic field intensity, different magnetic hub spacing, different rotating speeds situation lower magnetic force driving torque.Above data have good directive function for the design of magnetic drives.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described 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; not departing from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, within these all belong to 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, comprise 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 slide block A and slide block B are installed on described rail plate, and described slide block A is connected by screw rod with described slide block B;
On described slide block A, be fixed with motor fixing seat, in described motor fixing seat, direct current generator be installed;
In described slide block B, be fixed with bearing seat, at described bearing seat upper support, have horizontally disposed thrust measurement rotating shaft and horizontally disposed torque measurement rotating shaft, described torque measurement rotating shaft be positioned at described thrust measurement rotating shaft directly over;
The output shaft of described thrust measurement rotating shaft and described direct current generator is coaxially oppositely arranged;
Middle part in described torque measurement rotating shaft is provided with rolling bearing, and the edge, middle part, outer ring of described rolling bearing is circumferentially with the arc groove with described flexible strand adaptation;
When carrying out surveying work, at the leading section of described thrust measurement rotating shaft, outer magnetic hub is installed, magnetic hub in the rearward end installation of the output shaft of described direct current generator;
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; In the rear end of described bearing seat, connect horizontally disposed described draw-bar donamometer, horizontally disposed described draw-bar donamometer is fixed on described rail plate;
When measuring magnetic drives statical moment, described flexible strand is walked 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 is walked around described arc groove, one end is connected with described thrust measurement rotating shaft, the other end is connected with one end of the described draw-bar donamometer of vertically arranging, one end of the described draw-bar donamometer of vertically arranging 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. according to claim 1 for measuring the device of airscrew thrust and magnetic drives moment, 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 below 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN103528740A true CN103528740A (en) | 2014-01-22 |
| CN103528740B 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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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316229A (en) * | 2014-11-15 | 2015-01-28 | 西北工业大学 | Propeller dynamic tension and torque duplex measuring device |
| CN104316290A (en) * | 2014-11-15 | 2015-01-28 | 西北工业大学 | Combined type propeller thrust torque measurement device |
| CN104483053A (en) * | 2014-12-25 | 2015-04-01 | 深圳市博尔创意文化发展有限公司 | Torque measuring device of small engine |
| CN104596692A (en) * | 2014-12-26 | 2015-05-06 | 浙江海洋学院 | Propeller thrust measuring device for small boat |
| CN107884113A (en) * | 2017-10-19 | 2018-04-06 | 哈尔滨工业大学 | A kind of thrust method of testing for underwater propeller propeller |
| CN108918136A (en) * | 2018-05-17 | 2018-11-30 | 西安理工大学 | Propeller dynamic tension and torsion measuring device |
| CN109827696A (en) * | 2019-04-01 | 2019-05-31 | 重庆交通职业学院 | A kind of underwater robot propeller propulsion test device |
| CN109823568A (en) * | 2019-02-01 | 2019-05-31 | 南京乾利合科技有限责任公司 | A kind of aircraft blade torque automatic measurement system |
| CN110006567A (en) * | 2019-04-03 | 2019-07-12 | 江苏科技大学 | It is a kind of for obtaining propeller in the measuring device of deep-marine-environment lower thrust characteristic |
| CN113008531A (en) * | 2019-12-20 | 2021-06-22 | 海鹰航空通用装备有限责任公司 | Measuring device for propeller tension and torque |
| CN113008532A (en) * | 2019-12-20 | 2021-06-22 | 海鹰航空通用装备有限责任公司 | Method for measuring tension and torque of propeller |
Citations (7)
| 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 |
| JPH0296625U (en) * | 1989-01-17 | 1990-08-01 | ||
| JPH10104095A (en) * | 1996-09-19 | 1998-04-24 | Martin Lauener | Torque measuring device |
| JP2009035415A (en) * | 2007-08-06 | 2009-02-19 | Daifuku Co Ltd | Sliding resistance detection device and monitoring device of article side pushing body in slat conveyor |
| 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 |
-
2013
- 2013-10-14 CN CN201310479775.7A patent/CN103528740B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0296625U (en) * | 1989-01-17 | 1990-08-01 | ||
| 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 |
| JPH10104095A (en) * | 1996-09-19 | 1998-04-24 | Martin Lauener | Torque measuring device |
| JP2009035415A (en) * | 2007-08-06 | 2009-02-19 | Daifuku Co Ltd | Sliding resistance detection device and monitoring device of article side pushing body in slat conveyor |
| 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 |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316229A (en) * | 2014-11-15 | 2015-01-28 | 西北工业大学 | Propeller dynamic tension and torque duplex measuring device |
| 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 |
| CN104483053A (en) * | 2014-12-25 | 2015-04-01 | 深圳市博尔创意文化发展有限公司 | Torque measuring device of small engine |
| CN104596692A (en) * | 2014-12-26 | 2015-05-06 | 浙江海洋学院 | Propeller thrust measuring device for small boat |
| CN107884113A (en) * | 2017-10-19 | 2018-04-06 | 哈尔滨工业大学 | A kind of thrust method of testing for underwater propeller propeller |
| CN108918136A (en) * | 2018-05-17 | 2018-11-30 | 西安理工大学 | Propeller dynamic tension and torsion measuring device |
| CN108918136B (en) * | 2018-05-17 | 2020-04-21 | 西安理工大学 | Propeller dynamic tension and torsion measuring device |
| CN109823568A (en) * | 2019-02-01 | 2019-05-31 | 南京乾利合科技有限责任公司 | A kind of aircraft blade torque automatic measurement system |
| 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 |
| CN109827696A (en) * | 2019-04-01 | 2019-05-31 | 重庆交通职业学院 | A kind of underwater robot propeller propulsion test device |
| CN109827696B (en) * | 2019-04-01 | 2023-08-11 | 重庆交通职业学院 | Thrust testing device for underwater robot propeller |
| CN110006567A (en) * | 2019-04-03 | 2019-07-12 | 江苏科技大学 | It is a kind of for obtaining propeller in the measuring device of deep-marine-environment lower thrust characteristic |
| 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 |
| CN113008531A (en) * | 2019-12-20 | 2021-06-22 | 海鹰航空通用装备有限责任公司 | Measuring device for propeller tension and torque |
| CN113008532A (en) * | 2019-12-20 | 2021-06-22 | 海鹰航空通用装备有限责任公司 | Method for measuring tension and torque of propeller |
| 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 |
| 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 |
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Granted publication date: 20151021 Termination date: 20161014 |