CN103792853A - Marine propeller dynamic load simulator - Google Patents
Marine propeller dynamic load simulator Download PDFInfo
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- CN103792853A CN103792853A CN201410047862.XA CN201410047862A CN103792853A CN 103792853 A CN103792853 A CN 103792853A CN 201410047862 A CN201410047862 A CN 201410047862A CN 103792853 A CN103792853 A CN 103792853A
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- speed reducer
- propeller
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Abstract
The invention aims to provide a marine propeller dynamic load simulator. The marine propeller dynamic load simulator comprises a rack, a first motor, a second motor, a three-axis speed reducer, a reduction box, a magnetic powder brake and a propeller. A tabletop plate is installed on the upper surface of the rack, an installing flat plate is fixed to the tabletop plate, the first motor is fixed to the installing flat plate through a motor installing plate, the three-axis speed reducer is fixed to the installing flat plate through a three-axis speed reducer installing plate, the reduction box is fixed to the installing flat plate through a reduction box installing plate, the magnetic powder brake is installed on the installing flat plate through a brake supporting plate, the end of a propeller shaft of the propeller is installed in the magnetic powder brake, the first motor is connected with the three-axis speed reducer through a first coupler, the second motor is connected with the three-axis speed reducer through a second coupler, the three-axis speed reducer is connected with the reduction box through a third coupler, and the reduction box is connected with the end of the propeller shaft through a fourth coupler. The marine propeller dynamic load simulator is simple and compact in structure, and can simulate static characteristics and dynamic characteristics of the propeller under multiple working conditions.
Description
Technical field
What the present invention relates to is a kind of load simulating device, specifically propeller load simulator.
Background technology
Ship motion be unable to do without propulsion system.In order to make designed propulsion system meet performance index requirement, be with oar job rating experiment to be absolutely necessary to system.When ship's navigation, ship's speed and oar speed both any one changes and all can cause the variation into speed ratio, and the variation of entering speed ratio will further cause the variation of propeller resistance moment and thrust.Propeller Load simulation is accurately to implement marine vessel power to advance one of key link of emulation.In the propulsion system design phase, in order to make boats and ships meet performance index requirement, propulsion system is with to oar job rating, under ships complex working condition, thrust and change in torque situation are absolutely necessary.
Propeller load simulator in the past is often only considered the simulation to propeller load, and general passing through adopts power electronic equipment, controls 1 generator load torque is provided, and simulates the load characteristic of screw propeller.The device that this patent proposes not only can be simulated Propeller Load, also, for the characteristic of warship propulsion motor, carry out the design of simulated propulsion motor, by coaxial to designed simulated propulsion motor and loading, form 1 analogue means, make its characteristic more approach actual conditions.
A kind of novel propeller characteristic load simulating device introduced in the article that the exercise question that Heilongjiang Institute of Technology's journal 03 periodical in 2002 is stepped on is " a kind of development of the novel load analogue means that can simulate propeller characteristic ", it is the direct current torque servo system of digital control, adopts torque current double circle controling mode.
The exercise question that science and technology 02 periodical in 2007 in naval vessel is stepped on for " warship propulsion motor and the research of propeller load simulation system " introduced a kind of can while simulated propulsion motor and the naval vessel electric propulsion simulation system of Propeller Load.Design electric propulsion simulation system, proposed its control strategy; Propose the design considerations of analog DC propulsion electric machine, and carried out the design of analog DC propulsion electric machine; Then 2 kinds of simulation propeller load computation models have been introduced; Further introduce system hardware and controlled software; Finally with PSIM simulation software and analogue means to propulsion electric machine and propeller load the characteristic under various operating modes carry out contrast experiment.
The exercise question that electromechanical equipment 05 periodical in 2007 is stepped on has carried out simulating, verifying for the feasibility of screw propeller analogue means for the article of " the feasibility checking of propeller load simulator ".Set up the mathematical model of a propulsion system with propeller load; Designed quant model, and binding curve approximating method obtains the function of related data curve. under Simu-link environment, set up whole analogue system, and carried out dynamic simulation.
Summary of the invention
The object of the present invention is to provide the marine propeller dynamic load simulating device that can occasionally simulate the Static and dynamic characteristic under screw propeller multi-state.
The object of the present invention is achieved like this:
Marine propeller dynamic load simulating device of the present invention, it is characterized in that: comprise stand, the the first-the second motor, three axis speed reducer, reductor, magnetic powder brake, screw propeller, stand upper surface erecting bed panel, on deck plate, be fixed with flat board is installed, the first motor is fixed on and is installed on flat board by motor mounting plate, three axis speed reducer is fixed on and is installed on flat board by three axis speed reducer installing plate, reductor is fixed on and is installed on flat board by speed reduction unit installing plate, magnetic powder brake is arranged on and is installed on flat board by detent support plate, the propeller shaft end of screw propeller is arranged in magnetic powder brake, the first motor, three axis speed reducer, reductor, magnetic powder brake, the axis of screw propeller point-blank, the first motor connects three axis speed reducer by the first shaft coupling, the second motor is arranged on three axis speed reducer top and connects three axis speed reducer by the second shaft coupling, three axis speed reducer connects reductor by the 3rd shaft coupling, reductor connects propeller shaft end by tetrad axial organ.
The present invention can also comprise:
1, when drive motor rotates, drive the input end of the second motor and speed reducer to rotate by three axis speed reducer, the output terminal of reductor drives propeller shaft to rotate simultaneously, and propeller shaft drives screw propeller to rotate; In the time that needs do load test, if need to apply passive loading,, by by magnetic powder brake energising, produce the rotation of damping force restriction screw propeller, thereby play loading effect; Load if need to apply initiatively, apply moment of torsion forward or backwards by the second motor, thereby reach the object initiatively loading.
2, outer first protective cover of installing of the first motor, reductor, tetrad axial organ, magnetic powder brake are installed the second protective cover outward, and screw propeller is installed screw propeller protective cover outward.
Advantage of the present invention is: the present invention is simple in structure, compact, can occasionally simulate the Static and dynamic characteristic under screw propeller multi-state.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
For example the present invention is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the composition of marine propeller dynamic load simulating device comprises: suspension column nut 1, suspension column 2, stand 3, deck plate 4, bolt 5, install dull and stereotyped 6, protective cover 7, motor 8, bolt 9, nut 10, packing ring 11, motor is installed version 12, shaft coupling 13, three axis speed reducer is installed version 14, three axis speed reducer 15, electric machine support 16, reductor shaft 17, reductor 18, reductor is installed version 19, magnetic powder brake 20, detent support plate 21, propeller shaft 22, screw propeller 23, screw propeller protective cover 24, screw propeller protective cover 25, beam 26, protective cover 27, motor 28.Specifically comprise the deck plate 4 being arranged on support stand 3; The motor being arranged on deck plate 4 is installed version 12, three axis speed reducer installation version 14, reductor installation version 19 and detent support plate 21; Be arranged on three axis speed reducer the motor 28 in version 14 is installed; Motor 8 is fixed on motor installs version 12; Motor 28 is fixed on motor installs version 12; Motor 8 is connected with three axis speed reducer 15 by shaft coupling 13 with motor 28; Reductor 18 is fixed on reductor installs version 19; Reductor 18 is connected with three axle reductors 15 by shaft coupling 13; Magnetic powder brake 20 is fixed on detent support plate 21; In propeller shaft 22, be through at magnetic powder brake 20, and be connected with reductor 18 by shaft coupling 13; Screw propeller 23 is fixed on propeller shaft 22; Outside protective cover 27 and screw propeller protective cover 25, be wrapped in whole device.
The present invention can also comprise some architectural features like this:
1, motor 28 and motor 8 are individually fixed in three axis speed reducer installation version 14;
2, reductor 18 is connected with three axle reductors 15 by shaft coupling 13;
3, in propeller shaft 22, be through at magnetic powder brake 20, and be connected with reductor 18 by shaft coupling 13.
Principle of work of the present invention is:
When drive motor 8 rotates, drive the input end of loading motor 28 and reductor 18 to rotate by three axis speed reducer 15, the output terminal of speed reduction unit 18 drives propeller shaft 22 simultaneously, and propeller shaft 22 drives screw propeller 23 to rotate.In the time that needs do load test, if need to apply passive loading, magnetic powder brake 20 to be switched on, the damping force that the magnetic powder brake after energising produces is by the rotation of restriction screw propeller, thereby play loading effect, the size of damping force can be as required by programmed control with variation.Load if need to apply initiatively, by servo-driver, loading motor 28 applied to control, motor 28 by according to load need to drive motor be will be forward or backwards moment of torsion, thereby reach the initiatively object of loading.
Main course of action of the present invention is as follows:
1, when drive motor 8 rotates, drive the input end of loading motor 28 and reductor 18 to rotate by three axis speed reducer 15, the output terminal of speed reduction unit 18 drives propeller shaft 22 simultaneously, and propeller shaft 22 drives screw propeller 23 to rotate.
2, magnetic powder brake 20 is switched on, the damping force that the magnetic powder brake after energising produces will limit the rotation of screw propeller, thereby play loading effect, and the size of damping force can be as required by programmed control with variation.。
3, by servo-driver, loading motor 28 is applied to control, motor 28 by according to load need to drive motor be will be forward or backwards moment of torsion, thereby carry out active loading.
In the time that needs do load test, if need to apply passive loading, magnetic powder brake 20 to be switched on, the damping force that the magnetic powder brake after energising produces is by the rotation of restriction screw propeller, thereby play loading effect, the size of damping force can be as required by programmed control with variation.Load if need to apply initiatively, by servo-driver, loading motor 28 applied to control, motor 28 by according to load need to drive motor be will be forward or backwards moment of torsion, thereby reach the initiatively object of loading.
Deck plate 4 is arranged on support stand 3; Three axis speed reducer is installed version 14, reductor is installed version 19, detent support plate 21 and motor installation version 12 and is arranged on deck plate 4; Motor 28 is arranged on three axis speed reducer and installs in version 14; Motor 8 is fixed on motor installs version 12; Motor 28 is fixed on motor installs version 12; Motor 8 is connected with three axis speed reducer 15 by shaft coupling 13 with motor 28; Reductor 18 is fixed on reductor installs version 19; Reductor 18 is connected with three axle reductors 15 by shaft coupling 13; Magnetic powder brake 20 is fixed on detent support plate 21; In propeller shaft 22, be through at magnetic powder brake 20, and be connected with reductor 18 by shaft coupling 13; Screw propeller 23 is fixed on propeller shaft 22; Outside protective cover 27 and screw propeller protective cover 25, be wrapped in whole device.
Claims (3)
1. marine propeller dynamic load simulating device, it is characterized in that: comprise stand, the the first-the second motor, three axis speed reducer, reductor, magnetic powder brake, screw propeller, stand upper surface erecting bed panel, on deck plate, be fixed with flat board is installed, the first motor is fixed on and is installed on flat board by motor mounting plate, three axis speed reducer is fixed on and is installed on flat board by three axis speed reducer installing plate, reductor is fixed on and is installed on flat board by speed reduction unit installing plate, magnetic powder brake is arranged on and is installed on flat board by detent support plate, the propeller shaft end of screw propeller is arranged in magnetic powder brake, the first motor, three axis speed reducer, reductor, magnetic powder brake, the axis of screw propeller point-blank, the first motor connects three axis speed reducer by the first shaft coupling, the second motor is arranged on three axis speed reducer top and connects three axis speed reducer by the second shaft coupling, three axis speed reducer connects reductor by the 3rd shaft coupling, reductor connects propeller shaft end by tetrad axial organ.
2. marine propeller dynamic load simulating device according to claim 1, it is characterized in that: when drive motor rotates, drive the input end of the second motor and speed reducer to rotate by three axis speed reducer, the output terminal of reductor drives propeller shaft to rotate simultaneously, and propeller shaft drives screw propeller to rotate; In the time that needs do load test, if need to apply passive loading,, by by magnetic powder brake energising, produce the rotation of damping force restriction screw propeller, thereby play loading effect; Load if need to apply initiatively, apply moment of torsion forward or backwards by the second motor, thereby reach the object initiatively loading.
3. marine propeller dynamic load simulating device according to claim 1 and 2, is characterized in that: outer first protective cover of installing of the first motor, and reductor, tetrad axial organ, magnetic powder brake are installed the second protective cover outward, and screw propeller is installed screw propeller protective cover outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047862.XA CN103792853A (en) | 2014-02-11 | 2014-02-11 | Marine propeller dynamic load simulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410047862.XA CN103792853A (en) | 2014-02-11 | 2014-02-11 | Marine propeller dynamic load simulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772026A (en) * | 2015-11-20 | 2017-05-31 | 重庆金美通信有限责任公司 | It is a kind of to can be used for the motor dynamics load simulating device of environmental test |
| CN110155246A (en) * | 2019-05-31 | 2019-08-23 | 重庆交通大学 | A kind of watercraft electric propulsion system propeller load simulation system |
| CN112505545A (en) * | 2021-01-08 | 2021-03-16 | 上海闳妙汽车用品有限公司 | Motor load performance testing device |
| CN112798958A (en) * | 2021-03-03 | 2021-05-14 | 无锡市航鹄科技有限公司 | Simulation load device for motor test and test method |
| CN113340411A (en) * | 2021-07-06 | 2021-09-03 | 中国船舶工业集团公司第七0八研究所 | Propeller power meter load device for measuring background noise of circulating water tank |
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| CN113340411A (en) * | 2021-07-06 | 2021-09-03 | 中国船舶工业集团公司第七0八研究所 | Propeller power meter load device for measuring background noise of circulating water tank |
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Application publication date: 20140514 |