CN109506885A - A kind of PODDED PROPULSOR experimental rig - Google Patents
A kind of PODDED PROPULSOR experimental rig Download PDFInfo
- Publication number
- CN109506885A CN109506885A CN201811539914.XA CN201811539914A CN109506885A CN 109506885 A CN109506885 A CN 109506885A CN 201811539914 A CN201811539914 A CN 201811539914A CN 109506885 A CN109506885 A CN 109506885A
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- China
- Prior art keywords
- fluctuation pressure
- pressure plate
- cover board
- water hole
- horizontal axis
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of PODDED PROPULSOR experimental rig, including motor, and motor drive axis connection is to the main shaft of rotary device, and spindle end is equipped with slip ring, and thrust torques sensing is mounted on spindle nose connection；Fluctuation pressure plate is arranged in PODDED PROPULSOR pillar upper end, and the oscillatory pressure pick-up of array is disposed on fluctuation pressure plate.The present apparatus provides practicable technical guarantee and solid engineering application foundation for PODDED PROPULSOR reasoning torque and fluctuation pressure test, measurement accuracy is high, independence is strong, it can be matched from different cavitation tunnel active sections, facilitate transformation, processing and installation, it can be not only used for the measurement under condition of normal pressure, and the pilot project that can be carried out under pressurization or reduced pressure.
Description
Technical field
The present invention designs ship water hole mechanical testing equipment technical field, and in particular to a kind of PODDED PROPULSOR test dress
It sets.
Background technique
PODDED PROPULSOR is a kind of novel propulsion device for integrating propulsion and manipulation, is rotated ° around vertical axes, is controlled
The manipulation of ship.In recent years, PODDED PROPULSOR rapidly develops, the application in ship is also continuously increased, but due to hanging
Cabin propeller system is complicated, and test needs to consume a large amount of manpower and material resources, and experimental technique and equipment are immature, domestic at present most
Number is studied PODDED PROPULSOR using numerical method, however numerical method can not real simulation PODDED PROPULSOR it is true
Situation, and by number of grid and quality, turbulent method etc. is affected, and the confidence level that numerical value calculates is not high.Gondola pushes away simultaneously
Induced pressure fluctuation will be generated to hull bottom into device propeller, damage so as to cause hull penalty such as tail vibration, structure
Bad, noise and the problems such as degrade, and PODDED PROPULSOR is passed through frequently as manipulation device, deflecting blade aerodynamic load under operating condition increases,
Causing the fluctuation pressure of hull will will increase.
Therefore, it designs and a set of integrates the measurement of PODDED PROPULSOR thrust torques and the experimental rig of fluctuation pressure is ten
Divide necessary.The present invention provides a kind of structurally reasonable, characteristics of compact layout, easy to loading and unloading, safe and reliable collection PODDED PROPULSOR thrust
Torque and fluctuation pressure lay the foundation in the test device of one for the research forecast of PODDED PROPULSOR performance.
Summary of the invention
The purpose of the invention is, provides that one kind can structure be simple, synchro measure PODDED PROPULSOR thrust torques
And the experimental rig of fluctuation pressure, the installation cost is low, and highly reliable, measurement accuracy is high.
To achieve the above object, the present invention provides following design scheme: a kind of PODDED PROPULSOR experimental rig, including watertight
Water hole cover board, the top of water hole cover board be equipped with motor, be successively arranged below the cover board of water hole pod, fluctuation pressure plate and
Gondola backpack body；It is connected between water hole cover board and fluctuation pressure plate by pillar, pod is set to water hole cover board and fluctuation pressure plate
Between；
Be equipped with axis group in gondola backpack body, axis group includes vertical pivot and horizontal axis, vertical pivot be vertically arranged and sequentially pass through pulsation pressing plate,
Pod and water hole cover board are connected to the motor shaft of motor and make vertical rotation with motor shaft；Phase vertical with vertical pivot in the middle part of horizontal axis
Even, transmission device is equipped between horizontal axis and vertical pivot so that vertical pivot is converted to horizontally rotating for horizontal axis vertically；
At least one end of horizontal axis is equipped with thrust torques sensor, and thrust torques sensor horizontally rotates with horizontal axis, and thrust is turned round
The end of square sensor is equipped with propeller；The signal slip ring being electrically connected with thrust torques sensor, signal are additionally provided on horizontal axis
Slip ring spreads out of thrust torques measured value in the form of a voltage；The oscillatory pressure pick-up of array is equipped on fluctuation pressure plate
To obtain propeller to the fluctuation pressure of hull bottom.
Including motor, motor drives main axis, and the vertical of motor is switched to horizontally rotate by main shaft, sensor installation
On main shaft horizontal axis, and with main axis, propeller is mounted on thrust torques sensor, and signal slip ring is mounted on main shaft cross
It is connect on axis and with thrust torques sensor, signal slip ring spreads out of the numerical value that thrust torques signal is measured in the form of a voltage.
Fluctuation pressure plate is mounted on the cover board of water hole by pillar, and the oscillatory pressure pick-up of array is covered on fluctuation pressure plate, is used
To measure propeller to the fluctuation pressure of hull bottom.
Further, transmission device refers to turbine and worm group or gear set, and vertical pivot is switched to horizontal axis vertically
Horizontally rotate.
Further, circular hole has been opened on fluctuation pressure plate so that main shaft passes through, between fluctuation pressure plate and water hole cover board
Main shaft is wrapped up equipped with pod, in case generating peripheral flow influences surging pressure test result.
Further, pillar control fluctuation pressure plate arrives the distance of water hole cover board, and then control propeller is to fluctuation pressure
The distance of plate, so that fluctuation pressure template die intends floor height.
Further, main shaft, thrust torques sensor, slip ring are arranged in pod body shell, fluctuation pressure plate and arteries and veins
Dynamic pressure force snesor is arranged in pod body upper end.
The present apparatus provides practicable technical guarantee and heavily fortified point for PODDED PROPULSOR reasoning torque and fluctuation pressure test
Real engineering application foundation, measurement accuracy is high, and independence is strong, can match from different cavitation tunnel active sections, facilitates transformation, adds
Work and installation can be not only used for the measurement under condition of normal pressure, and the pilot project carried out under pressurization or reduced pressure.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is main shaft schematic internal view；
Fig. 3 is fluctuation pressure cover board top view.
Specific embodiment
It elaborates below in conjunction with specific embodiment to the invention.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments, for those of ordinary skill in the art, without any creative labor, also according to
These attached drawings obtain other attached drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of PODDED PROPULSOR experimental rig, the water hole cover board 3 including watertight, water hole cover board
3 top is equipped with motor 1, the lower section of water hole cover board 3 is successively arranged pod 6, fluctuation pressure plate 5 and gondola backpack body 10；Water
It is connected between hole cover board 3 and fluctuation pressure plate 5 by pillar 4, pod 6 is set between water hole cover board 3 and fluctuation pressure plate 5；
Axis group is equipped in gondola backpack body 10, axis group 2 includes vertical pivot 13 and horizontal axis 14, and vertical pivot 13 is vertically arranged and sequentially passes through
Pulsation pressing plate 5, pod 6 and water hole cover board 3 are connected to the motor shaft of motor 1 and make vertical rotation with motor shaft；In horizontal axis 14
Portion is vertically connected with vertical pivot 13, and transmission device 15 is equipped between horizontal axis 14 and vertical pivot 13 to be converted to the vertical of vertical pivot 13
Horizontal axis 14 horizontally rotates；
At least one end of horizontal axis 14 is equipped with thrust torques sensor 9, and thrust torques sensor 9 horizontally rotates with horizontal axis 14,
The end of thrust torques sensor 9 is equipped with propeller 8；The letter being electrically connected with thrust torques sensor 9 is additionally provided on horizontal axis 14
Number slip ring 11, signal slip ring 11 spread out of thrust torques measured value in the form of a voltage；Array is equipped on fluctuation pressure plate
Oscillatory pressure pick-up 7 to obtain propeller 8 to the fluctuation pressure of hull bottom.
Wherein, ring flange 2 is installed, water hole cover board 3 is watertight between motor 1 and water hole cover board 3.Thrust torques sensor
Propeller 8 is installed on 9.
Specifically, transmission device 15 refers to turbine and worm group or gear set, vertical by vertical pivot switchs to horizontal axis
Horizontally rotate.
Circular hole has been opened on fluctuation pressure plate 5 so that main shaft passes through, and pod is equipped between fluctuation pressure plate 5 and water hole cover board
Main shaft is wrapped up, in case generating peripheral flow influences surging pressure test result.
Pillar is provided with height adjustment device, such as cylinder, guide rail etc., control fluctuation pressure plate 5 to water hole cover board away from
From, so control propeller arrive fluctuation pressure plate 5 distance so that fluctuation pressure plate 5 simulation floor height.
Main shaft, thrust torques sensor, slip ring are arranged in pod body shell, and fluctuation pressure plate 5 and fluctuation pressure pass
Sensor is arranged in pod body upper end.
Specifically, motor 1 is connect with axis group 2, and axis group 2 passes through water hole cover board 3 and fluctuation pressure plate, the installation of 2 end of axis group
There is the thrust torques sensor 9 of measurement airscrew thrust torque, propeller 8, signal slip ring 11 are installed on thrust torques sensor 9
It is fixed on horizontal axis 1414, ground thrust torques sensor 9 is connect with signal slip ring 11.The commutation of gear 15 is installed in earth's axis group 2
Device, by the vertical rolling transposition lateral rotation of motor 1.Fluctuation pressure plate can be fixed under water hole cover board 3 certain height by pillar 4
Degree simulation floor, is equipped with pod 6,5 cloth on fluctuation pressure plate 5 at axis group 2 between fluctuation pressure plate and water hole cover board 3
There is array oscillatory pressure pick-up 7.
Its working principle is that: motor 1 is rotated with moving axis group 2, and axis group 2 will switch to laterally turn vertically by interior arrangement
Dynamic to drive sensor 9 to rotate, sensor 9 drives propeller 8 to rotate, and sensor 9 can measure 8 thrust torques of propeller
Etc. hydrodynamic parameters pass through signal slip ring line spread out of.The rotation of propeller 8 causes fluid to have exciter response to fluctuation pressure plate, thus
Oscillatory pressure pick-up 7 measures the fluctuation pressure size that propeller 8 causes hull bottom to motivate on fluctuation pressure plate.
PODDED PROPULSOR is located at using motor in this PODDED PROPULSOR experimental rig, analog-driven, spiral are carried out to propeller
Paddle thrust torques are measured by sensor 9；Fluctuation pressure plate simulates practical floor height by 4 length of pillar control height；
Pod 6 between fluctuation pressure plate and water hole cover board 3, which prevents main shaft from generating peripheral flow, influences fluctuation pressure measured value, improves
Measurement accuracy；The stretching of fluctuation pressure front edge of board is longer, effectively prevent incoming flow catenary motion, improves the stability of incoming flow, hang simultaneously
Cabin propeller is turned to by the rotation adjustment of flange 12, simulates the different steering states of propeller.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the invention, rather than to this hair
It is bright create protection scope limitation, although being explained in detail referring to preferred embodiment to the invention, this field it is general
Lead to it will be appreciated by the skilled person that the technical solution to the invention is modified or replaced equivalently, without departing from the present invention
Create the spirit and scope of technical solution.
Claims (5)
1. a kind of PODDED PROPULSOR experimental rig, which is characterized in that
Water hole cover board (3) including watertight, the top of water hole cover board (3) be equipped with motor (1), water hole cover board (3) lower section successively
Equipped with pod (6), fluctuation pressure plate (5) and gondola backpack body (10)；Lead between water hole cover board (3) and fluctuation pressure plate (5)
Pillar (4) connection is crossed, pod (6) is set between water hole cover board (3) and fluctuation pressure plate (5)；
Axis group (2) are equipped in gondola backpack body (10), axis group (2) includes vertical pivot and horizontal axis, and the vertical pivot is vertically arranged and successively wears
Pulsation pressing plate (5), pod (6) and water hole cover board (3) is crossed to be connected to the motor shaft of motor (1) and make vertical turn with motor shaft
It is dynamic；It is vertically connected in the middle part of horizontal axis with vertical pivot, transmission device is equipped between horizontal axis and vertical pivot to be converted to the vertical of vertical pivot
Horizontal axis horizontally rotates；
At least one end of the horizontal axis is equipped with thrust torques sensor (9), and thrust torques sensor (9) horizontally rotates with horizontal axis,
The end of thrust torques sensor (9) is equipped with propeller (8)；It is additionally provided on horizontal axis and is electrically connected with thrust torques sensor (9)
Signal slip ring (11), the signal slip ring (11) spreads out of thrust torques measured value in the form of a voltage；On fluctuation pressure plate
The oscillatory pressure pick-up (7) of array is equipped with to obtain propeller (8) to the fluctuation pressure of hull bottom.
2. PODDED PROPULSOR experimental rig according to claim 1, which is characterized in that the transmission device refers to turbine snail
Bar group or gear set.
3. PODDED PROPULSOR experimental rig according to claim 1, which is characterized in that opened on the fluctuation pressure plate (5)
There is circular hole to pass through so as to vertical pivot, the pod (6) of fluctuation pressure plate (5) and water hole cover board (3) is wrapped in vertical pivot periphery.
4. PODDED PROPULSOR experimental rig according to claim 1, which is characterized in that the pillar (4) is equipped with height
Regulating device, can control the spacing of fluctuation pressure plate (5) Yu water hole cover board (3).
5. PODDED PROPULSOR experimental rig according to claim 1, which is characterized in that the horizontal axis, thrust torques pass
Sensor (9), signal slip ring (11) are arranged in pod body (10) shell, fluctuation pressure plate (5) and oscillatory pressure pick-up (7)
It is arranged in gondola body (10) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539914.XA CN109506885A (en) | 2018-12-17 | 2018-12-17 | A kind of PODDED PROPULSOR experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539914.XA CN109506885A (en) | 2018-12-17 | 2018-12-17 | A kind of PODDED PROPULSOR experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506885A true CN109506885A (en) | 2019-03-22 |
Family
ID=65752710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539914.XA Pending CN109506885A (en) | 2018-12-17 | 2018-12-17 | A kind of PODDED PROPULSOR experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506885A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657941A (en) * | 2019-08-27 | 2020-01-07 | 中国人民解放军海军工程大学 | Hydrodynamic performance testing device for shaftless pump jet propeller |
| CN111674536A (en) * | 2020-06-24 | 2020-09-18 | 江苏科技大学 | Nacelle propeller boundary layer absorption type vortex eliminating device |
| CN114184352A (en) * | 2021-12-09 | 2022-03-15 | 中国船舶科学研究中心 | Nacelle dynamometer model test balance device and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08188192A (en) * | 1995-01-10 | 1996-07-23 | Mitsubishi Heavy Ind Ltd | Propeller fluctuating pressure absorbing device for marine vessel |
| JP2006103490A (en) * | 2004-10-05 | 2006-04-20 | Ihi Marine United Inc | Vessel provided with pod propulsion unit |
| KR20120036192A (en) * | 2010-10-07 | 2012-04-17 | 삼성중공업 주식회사 | Azimuth thruster propulsion device for dynamic position test and model ship including the same |
| CN103913291A (en) * | 2014-04-04 | 2014-07-09 | 郭春雨 | Pod propelling system testing device |
| CN104199308A (en) * | 2014-09-02 | 2014-12-10 | 哈尔滨工业大学（威海） | Double-propulsion foam integrated electric propulsion simulating experimental platform for ship |
| CN104374544A (en) * | 2014-12-10 | 2015-02-25 | 中国人民解放军海军工程大学 | Asymmetric measuring device for propeller pulsating pressure |
-
2018
- 2018-12-17 CN CN201811539914.XA patent/CN109506885A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08188192A (en) * | 1995-01-10 | 1996-07-23 | Mitsubishi Heavy Ind Ltd | Propeller fluctuating pressure absorbing device for marine vessel |
| JP2006103490A (en) * | 2004-10-05 | 2006-04-20 | Ihi Marine United Inc | Vessel provided with pod propulsion unit |
| KR20120036192A (en) * | 2010-10-07 | 2012-04-17 | 삼성중공업 주식회사 | Azimuth thruster propulsion device for dynamic position test and model ship including the same |
| CN103913291A (en) * | 2014-04-04 | 2014-07-09 | 郭春雨 | Pod propelling system testing device |
| CN104199308A (en) * | 2014-09-02 | 2014-12-10 | 哈尔滨工业大学（威海） | Double-propulsion foam integrated electric propulsion simulating experimental platform for ship |
| CN104374544A (en) * | 2014-12-10 | 2015-02-25 | 中国人民解放军海军工程大学 | Asymmetric measuring device for propeller pulsating pressure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657941A (en) * | 2019-08-27 | 2020-01-07 | 中国人民解放军海军工程大学 | Hydrodynamic performance testing device for shaftless pump jet propeller |
| CN110657941B (en) * | 2019-08-27 | 2021-02-09 | 中国人民解放军海军工程大学 | Hydrodynamic performance testing device for shaftless pump jet propeller |
| CN111674536A (en) * | 2020-06-24 | 2020-09-18 | 江苏科技大学 | Nacelle propeller boundary layer absorption type vortex eliminating device |
| CN114184352A (en) * | 2021-12-09 | 2022-03-15 | 中国船舶科学研究中心 | Nacelle dynamometer model test balance device and use method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |
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| RJ01 | Rejection of invention patent application after publication |