CN112763183A - Three-degree-of-freedom propeller test platform and test method suitable for vertical circulating water tank - Google Patents
Three-degree-of-freedom propeller test platform and test method suitable for vertical circulating water tank Download PDFInfo
- Publication number
- CN112763183A CN112763183A CN202110074262.2A CN202110074262A CN112763183A CN 112763183 A CN112763183 A CN 112763183A CN 202110074262 A CN202110074262 A CN 202110074262A CN 112763183 A CN112763183 A CN 112763183A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- fixed
- propeller
- vertical
- rotating speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a three-degree-of-freedom propeller test platform and a test method suitable for a vertical circulating water tank, wherein the three-degree-of-freedom propeller test platform comprises a rotary driving mechanism, a horizontal moving mechanism, a dynamic torque test mechanism, a propeller thrust test mechanism and a lifting control mechanism; the rotary driving mechanism, the horizontal moving mechanism and the dynamic torque testing mechanism are all arranged on water, and a power source does not need sealing treatment; the rotating driving mechanism realizes the direction change of the force through the commutator and drives a horizontal shaft of the propeller thrust testing mechanism to drive the propeller to rotate; the reverser, the horizontal shaft and the propeller are all of pure mechanical structures and are not influenced when being placed under water; the dynamometer is placed on water to measure thrust; the lifting control mechanism adjusts the underwater depth of the propeller thrust testing mechanism. Therefore, the invention can test the thrust, the torque and the progress coefficient of the propellers corresponding to different depths and different rotating speeds under the vertical circulating water tank, and the accuracy of the propeller testing system is well compared with that of commercial software.
Description
Technical Field
The invention belongs to the technical field of test equipment, and particularly relates to a three-degree-of-freedom propeller test platform and a three-degree-of-freedom propeller test method suitable for a vertical circulating water tank.
Background
Propellers are the most common propulsion power units used in the marine industry. The propeller rotates to provide power for the ship, and the motor provides corresponding torque and thrust required by matching of rotating speed. The propeller is a part with the ship as a core, and with the development of marine resources by the Chinese government, the national requirements on the performance and efficiency of the propeller are higher and higher.
The device is very key to the research on the hydrodynamic performance of the propeller, can improve the performance and efficiency of the propeller, breaks through key technology, has great significance to the development of China navy and the improvement of national defense strength, and is very important to national economy, common people's livelihood and human health.
The current relevant research on hydrodynamic performance of propellers is mainly based on numerical analysis of commercial software. In the computer fluid simulation technology which is developed increasingly rapidly nowadays, simulation results of commercial software are more and more accurate, but the propeller measurement platform is still required to be combined with the practice to verify the thrust magnitude of the marine propeller. At present, a test platform and a test method for testing the thrust, torque and progress coefficient of propellers corresponding to different depths and different rotating speeds in a vertical circulating water tank do not exist, and the correctness of commercial software cannot be well analyzed and compared.
Disclosure of Invention
The invention aims to provide a three-degree-of-freedom propeller testing platform under a vertical circulating water tank and a testing method thereof, aiming at carrying out an accurate propeller hydrodynamic performance test and comparing the test with commercial software analysis.
The purpose of the invention is realized by adopting the following technical scheme:
the invention relates to a three-degree-of-freedom propeller test platform suitable for a vertical circulating water tank. The horizontal moving mechanism comprises a supporting plate with an upper hole, a square supporting plate, a supporting plate with a lower hole, a sliding block, a supporting plate, an optical axis, a pulley shaft and a platform frame; two supporting plates which are arranged at intervals are fixed on the top surface of the platform frame; a guide rail is fixed on the top surface of one of the supporting plates, and an optical axis is fixed above the guide rail; four sliding blocks which are arranged in an array mode are fixed at the bottom of the supporting plate with the lower hole, two sliding blocks on one side and the optical axis form a sliding pair, and pulley shafts are fixed on the two sliding blocks on the other side; a pulley is hinged on the pulley shaft; the pulley and the top surface of the supporting plate without the fixed optical axis form a rolling friction pair; the upper supporting plate with holes is fixed on the lower supporting plate with holes through a square supporting plate.
The lifting control mechanism comprises a screw rod lifter, a rectangular support plate I, a rectangular support plate II, a square hole bracket, a guide rod and a guide block; the screw rod lifter comprises a worm, a worm wheel, a lifting screw rod, a nut block and a lifting screw rod base; the worm is horizontally arranged and supported on the supporting plate with the upper hole through a rolling bearing; the worm wheel is fixed on a vertically arranged lifting screw rod and is meshed with the worm; the lifting screw is supported on the lifting screw base through a rolling bearing; the lifting screw penetrates through the upper supporting plate with holes, the lower supporting plate with holes and the platform frame of the horizontal moving mechanism; the nut block and the lifting screw form a screw pair; the rectangular supporting plate I is fixed with the nut block; the rectangular supporting plate II is fixed below the rectangular supporting plate I through a square hole support; the rectangular supporting plate I and the rectangular supporting plate II are both fixed with guide blocks, and the guide blocks and the guide rods form sliding pairs; the guide rod passes through the rectangular support plate II, the rectangular support plate I, the platform frame and the support plate with the lower hole, the top end of the guide rod is fixed with the support plate with the upper hole, and the bottom end of the guide rod is fixed with the support plate at the bottom of the platform.
The dynamic torque testing mechanism comprises a vertical shaft, a torque and rotating speed sensor and a vertical supporting plate; the shell of the speed reducer is fixed on a transverse plate, and the transverse plate is fixed with the vertical supporting plate; an output shaft of the speed reducer penetrates through the transverse plate and is connected with an output shaft at one end of the torque and rotation speed sensor through a coupling I; an output shaft at the other end of the torque rotating speed sensor is connected with the top end of the vertical shaft through a coupler II; a shell of the torque and rotation speed sensor is fixed on the vertical supporting plate through a sensor bracket; the vertical shaft is supported on a vertical supporting plate through a rolling bearing; the vertical supporting plate penetrates through an upper supporting plate with holes and a lower supporting plate with holes of the horizontal moving mechanism and is fixed on a rectangular supporting plate I of the lifting control mechanism; the vertical shaft penetrates through the upper supporting plate with holes, the lower supporting plate with holes and the rectangular supporting plate I, and an input shaft of the commutator is connected with the bottom end of the vertical shaft through a coupler III; the shell of the commutator is fixed on the bottom surface of the rectangular support plate II of the lifting control mechanism. The commutator comprises two bevel gears which are meshed with each other, wherein one bevel gear is fixed on an input shaft of the commutator, and the other bevel gear is fixed on an output shaft of the commutator; the input shaft and the output shaft of the commutator and the shell of the commutator form a revolute pair.
The rotary driving mechanism comprises a vertical shaft motor; an output shaft of the vertical shaft motor is fixed with an input shaft of the speed reducer, and a shell of the vertical shaft motor is fixed on the shell of the speed reducer.
The propeller thrust testing mechanism comprises a horizontal shaft and a dynamometer; the horizontal shaft is supported on the bottom surface of a rectangular support plate II of the lifting control mechanism through a rolling bearing and is connected with an output shaft of the commutator through a coupler IV; and two ends of the dynamometer are respectively fixed with the optical axis and a sliding block on the optical axis.
Preferably, the rolling bearing on the lifting screw rod is positioned through the end cover and a shaft shoulder on the lifting screw rod; the end cover is fixed with the lifting screw base.
Preferably, four groups of guide blocks and guide rods are arranged.
The test method of the three-degree-of-freedom propeller test platform suitable for the vertical circulating water tank comprises the following specific steps:
fixing a propeller to be measured on a horizontal shaft, fixing a platform frame on the top of a water tank, and injecting water into the water tank; then, starting a vertical shaft motor, and transmitting the power of the vertical shaft motor to a vertical shaft through a speed reducer, a coupling I, a torque and rotating speed sensor and a coupling II; the torque and rotating speed sensor transmits the detected torque signal and rotating speed signal to the controller through the data acquisition card; the power of the vertical shaft is transmitted to the horizontal shaft through the coupler III and the commutator, the horizontal shaft drives the propeller to rotate in water to generate thrust to act on the horizontal moving mechanism, the sliding block of the horizontal moving mechanism slides on the optical axis, and the dynamometer transmits detected thrust signals to the controller through the data acquisition card.
And step two, controlling the rotating speed of the vertical shaft motor through the controller and the servo driver so as to adjust the rotating speed of the propeller, transmitting a detected torque signal and a detected rotating speed signal to the controller through the data acquisition card by using the torque rotating speed sensor, and transmitting a detected thrust signal to the controller through the data acquisition card by using the dynamometer.
And step three, repeating the step two, and measuring torque, rotating speed and thrust signals of the multi-gear vertical shaft motor at the rotating speed.
Stopping the vertical shaft motor, rotating the worm to drive the worm wheel and the lifting screw to rotate, so that the nut block drives the rectangular support plate I, the square hole support, the rectangular support plate II, a horizontal shaft on the bottom surface of the rectangular support plate II and the propeller to move in the vertical direction, and the depth of the propeller under water is adjusted; then, adjusting the rotating speed of the vertical shaft motor to be equal to the rotating speed of the vertical shaft motor in the step one, transmitting a detected torque signal and a detected rotating speed signal to a controller through a data acquisition card by using a torque rotating speed sensor, and transmitting a detected thrust signal to the controller through the data acquisition card by using a dynamometer; and then, repeating the second step and the third step.
And step five, repeating the step four to obtain torque, rotating speed and thrust signals of the multi-gear vertical shaft motor under the rotating speed and a plurality of underwater depth values.
The invention has the following beneficial effects:
1. the rotary driving mechanism, the horizontal moving mechanism and the dynamic torque testing mechanism are all arranged on water, a power source does not need to be sealed, and the device is convenient to process and install and low in cost; the torque and rotating speed sensor simultaneously measures torque and rotating speed; the rotating driving mechanism realizes the direction change of the force through the commutator and drives a horizontal shaft of the propeller thrust testing mechanism to drive the propeller to rotate; the reverser, the horizontal shaft and the propeller are all of pure mechanical structures and are not influenced when being placed under water; and the dynamometer is also placed on water to measure thrust. Therefore, the invention can test the thrust, the torque and the progress coefficient of the propeller under the vertical circulating water tank. In addition, the lifting control mechanism can drive the rotary driving mechanism, the dynamic torque testing mechanism and the propeller thrust testing mechanism to lift synchronously, and the underwater depth of the propeller thrust testing mechanism is adjusted; therefore, the invention can test the thrust, the torque and the progress coefficient of the propellers corresponding to different depths and different rotating speeds under the vertical circulating water tank, and can well analyze and compare the correctness of commercial software.
2. According to the invention, one side of the horizontal moving mechanism adopts the guide rail, and the other side of the horizontal moving mechanism adopts the pulley for rolling, so that the installation difficulty is greatly reduced, and in the test process, the friction force is also reduced, thereby improving the accuracy of the dynamometer in testing the thrust of the propeller; in addition, the platform frame is composed of a plurality of cross beams, the center is hollow, materials are saved, and weight is reduced.
Drawings
FIG. 1 is a schematic view of the assembly of a three-degree-of-freedom propeller test platform and a water tank suitable for a vertical circulating water tank of the present invention;
FIG. 2 is a perspective view of a three-degree-of-freedom propeller test platform adapted to a vertical circulating water tank according to the present invention;
FIG. 3 is a perspective view of another embodiment of a three-degree-of-freedom propeller test platform for a vertical circulating water tank according to the present invention;
in the figure: 1. the device comprises a rotary driving mechanism, 2. a horizontal moving mechanism, 3. a dynamic torque testing mechanism, 4. a propeller thrust testing mechanism, 5. a lifting control mechanism, 6. a vertical shaft motor, 7. a speed reducer, 8. a transverse plate, 9. a coupler I, 10. a torque and rotating speed sensor, 11. a coupler II, 12. a vertical shaft, 13. a coupler III, 14. a commutator, 15. a rolling bearing, 16. an output shaft of the commutator, 17. a coupler IV, 18. a horizontal shaft, 19. a propeller, 20. an upper perforated support plate, 21. a square support plate, 22. a lower perforated support plate, 23. a sliding block, 24. a supporting plate, 25. an optical axis, 26. a pulley, 27. a pulley shaft, 28. a platform frame, 29. a lead screw lifter, 30. a lifting lead screw, 31. an end cover, 32. a worm, 33. a lifting lead screw base, 34. a rectangular support plate I, 35 36. The device comprises a square hole support, 37 parts of a guide block, 38 parts of a guide rod, 39 parts of a platform bottom support plate, 40 parts of a vertical support plate, 41 parts of a sensor support and 42 parts of a water tank.
Detailed Description
The invention will be further explained with reference to the drawings.
With reference to fig. 1, 2 and 3, the three-degree-of-freedom propeller test platform suitable for the vertical circulating water tank includes a rotation driving mechanism 1, a horizontal moving mechanism 2, a dynamic torque test mechanism 3, a propeller thrust test mechanism 4 and a lifting control mechanism 5. The horizontal moving mechanism 2 comprises an upper supporting plate 20 with holes, a square supporting plate 21, a lower supporting plate 22 with holes, a sliding block 23, a supporting plate 24, an optical axis 25, a pulley 26, a pulley shaft 27 and a platform frame 28; two supporting plates 24 which are arranged at intervals are fixed on the top surface of the platform frame 28; a guide rail is fixed on the top surface of one of the supporting plates 24, and an optical axis 25 is fixed above the guide rail; four sliding blocks 23 which are arranged in an array mode are fixed at the bottom of the supporting plate 22 with the lower hole, two sliding blocks 23 on one side and the optical axis 25 form a sliding pair, and pulley shafts 27 are fixed on the two sliding blocks 23 on the other side; a pulley 26 is hinged on the pulley shaft 27; the pulley 26 and the top surface of the supporting plate 24 without the fixed optical axis 25 form a rolling friction pair; the upper foraminous support plate 20 is secured to the lower foraminous support plate 22 by a square support plate 21.
The lifting control mechanism 5 comprises a screw rod lifter 29, a rectangular support plate I34, a rectangular support plate II 35, a square hole bracket 36, a guide rod 38 and a guide block 37; the screw rod lifter 29 comprises a worm 32, a worm wheel, a lifting screw rod 30, a nut block and a lifting screw rod base 33; the worm 32 is horizontally arranged and supported on the upper perforated support plate 20 through a rolling bearing; the worm wheel is fixed on a vertically arranged lifting screw rod 30 and is meshed with a worm 32; the elevating screw 30 is supported on an elevating screw base 33 through a rolling bearing 15; the lifting screw rod 30 passes through the upper supporting plate with holes 20, the lower supporting plate with holes 22 and the platform frame 28 of the horizontal moving mechanism 2; the nut block and the lifting screw rod 30 form a screw pair; the rectangular support plate I34 is fixed with the nut block; the rectangular supporting plate II 35 is fixed below the rectangular supporting plate I34 through a square hole bracket 36; the rectangular support plate I34 and the rectangular support plate II 35 are both fixed with guide blocks 37, and the guide blocks and the guide rods form sliding pairs; the guide rods penetrate through the rectangular support plate II 35, the rectangular support plate I34, the platform frame 28 and the support plate 22 with the lower hole, the top end of the guide rods is fixed with the support plate 20 with the upper hole, and the bottom end of the guide rods is fixed with the support plate 39 at the bottom of the platform.
The dynamic torque testing mechanism 3 comprises a vertical shaft, a torque rotating speed sensor 10 and a vertical supporting plate 40; the shell of the speed reducer 7 is fixed on the transverse plate 8, and the transverse plate 8 is fixed with the vertical supporting plate 40; an output shaft of the speed reducer 7 penetrates through the transverse plate 8 and is connected with an output shaft at one end of the torque and rotation speed sensor 10 through a coupling I9; an output shaft at the other end of the torque rotating speed sensor 10 is connected with the top end of a vertical shaft 12 through a coupler II 11; the housing of the torque speed sensor 10 is fixed on the vertical support plate 40 by a sensor bracket 41; the vertical shaft 12 is supported on a vertical support plate 40 by means of rolling bearings; the vertical support plate 40 passes through the upper support plate with holes 20 and the lower support plate with holes 22 of the horizontal moving mechanism 2 and is fixed on the rectangular support plate I34 of the lifting control mechanism 5; the vertical shaft 12 penetrates through the upper support plate 20 with holes, the lower support plate 22 with holes and the rectangular support plate I34, and the input shaft of the commutator 14 is connected with the bottom end of the vertical shaft 12 through a coupling III 13; the housing of the commutator 14 is fixed to the bottom surface of a rectangular support plate II 35 of the elevating control mechanism 5. The commutator 14 comprises two bevel gears which are meshed with each other, one bevel gear is fixed on an input shaft of the commutator 14, and the other bevel gear is fixed on an output shaft of the commutator 14; the input shaft and the output shaft of the commutator 14 and the housing of the commutator 14 form a revolute pair.
The rotation driving mechanism 1 includes a vertical axis motor 6; an output shaft of the vertical shaft motor 6 is fixed with an input shaft of the speed reducer 7, and a shell of the vertical shaft motor 6 is fixed on the shell of the speed reducer.
The propeller thrust test mechanism 4 comprises a horizontal shaft 18 and a dynamometer; the horizontal shaft 18 is supported on the bottom surface of a rectangular support plate II 35 of the lifting control mechanism 5 through a rolling bearing 15 and is connected with an output shaft 16 of the commutator 14 through a coupling IV 17; both ends of the force gauge are fixed with the optical axis 25 and a slide block 23 on the optical axis 25 respectively.
As a preferred embodiment, the rolling bearing on the elevator screw 30 is positioned by the end cap 31 and the shoulder on the elevator screw 30; the end cover 31 is fixed with the lifting screw base 33.
As a preferred embodiment, four sets of guide blocks and guide rods are provided.
The test method of the three-degree-of-freedom propeller test platform suitable for the vertical circulating water tank comprises the following specific steps:
step one, fixing a propeller 19 to be measured on a horizontal shaft 18, fixing a platform frame 28 on the top of a water tank 42, and injecting water into the water tank 42; then, a vertical shaft motor 6 is started, and the power of the vertical shaft motor 6 is transmitted to a vertical shaft 12 through a speed reducer 7, a coupling I9, a torque and rotating speed sensor 10 and a coupling II 11; the torque and rotation speed sensor 10 transmits the detected torque signal and rotation speed signal to the controller through a data acquisition card; the power of the vertical shaft 12 is transmitted to the horizontal shaft 18 through the coupler III 13 and the commutator 14, the horizontal shaft 18 drives the propeller 19 to rotate in water, thrust is generated to act on the horizontal moving mechanism, the sliding block 23 of the horizontal moving mechanism slides on the optical axis 25, and the dynamometer transmits detected thrust signals to the controller through the data acquisition card.
And step two, controlling the rotating speed of the vertical shaft motor 6 through the controller and the servo driver so as to adjust the rotating speed of the propeller, transmitting a detected torque signal and a detected rotating speed signal to the controller through a data acquisition card by using a torque rotating speed sensor 10, and transmitting a detected thrust signal to the controller through the data acquisition card by using a dynamometer.
And step three, repeating the step two, and measuring torque, rotating speed and thrust signals of the multi-gear vertical shaft motor 6 at the rotating speed.
Step four, stopping the vertical shaft motor 6, rotating the worm 32, driving the worm wheel and the lifting screw rod 30 to rotate, enabling the nut block to drive the rectangular support plate I34, the square hole support 36, the rectangular support plate II 35, the horizontal shaft 18 on the bottom surface of the rectangular support plate II 35 and the propeller 19 to move in the vertical direction, and adjusting the depth of the propeller 19 under water; then, adjusting the rotating speed of the vertical shaft motor 6 to be equal to the rotating speed of the vertical shaft motor 6 in the first step, transmitting the detected torque signal and the detected rotating speed signal to the controller through the data acquisition card by the torque rotating speed sensor 10, and transmitting the detected thrust signal to the controller through the data acquisition card by the dynamometer; and then, repeating the second step and the third step.
And step five, repeating the step four, thereby obtaining torque, rotating speed and thrust signals of the multi-gear vertical shaft motor 6 under the rotating speed and a plurality of underwater depth values, and ensuring the diversity and accuracy of the measured data.
The invention can also replace propellers 19 of different models for testing, and the replacement is simple and convenient.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. Be suitable for three degree of freedom screw test platform in vertical circulating water groove, including rotary drive mechanism and dynamic torque test mechanism, its characterized in that: the device also comprises a horizontal moving mechanism, a lifting control mechanism and a propeller thrust testing mechanism; the horizontal moving mechanism comprises a supporting plate with an upper hole, a square supporting plate, a supporting plate with a lower hole, a sliding block, a supporting plate, an optical axis, a pulley shaft and a platform frame; two supporting plates which are arranged at intervals are fixed on the top surface of the platform frame; a guide rail is fixed on the top surface of one of the supporting plates, and an optical axis is fixed above the guide rail; four sliding blocks which are arranged in an array mode are fixed at the bottom of the supporting plate with the lower hole, two sliding blocks on one side and the optical axis form a sliding pair, and pulley shafts are fixed on the two sliding blocks on the other side; a pulley is hinged on the pulley shaft; the pulley and the top surface of the supporting plate without the fixed optical axis form a rolling friction pair; the upper supporting plate with holes is fixed on the lower supporting plate with holes through a square supporting plate;
the lifting control mechanism comprises a screw rod lifter, a rectangular support plate I, a rectangular support plate II, a square hole bracket, a guide rod and a guide block; the screw rod lifter comprises a worm, a worm wheel, a lifting screw rod, a nut block and a lifting screw rod base; the worm is horizontally arranged and supported on the supporting plate with the upper hole through a rolling bearing; the worm wheel is fixed on a vertically arranged lifting screw rod and is meshed with the worm; the lifting screw is supported on the lifting screw base through a rolling bearing; the lifting screw penetrates through the upper supporting plate with holes, the lower supporting plate with holes and the platform frame of the horizontal moving mechanism; the nut block and the lifting screw form a screw pair; the rectangular supporting plate I is fixed with the nut block; the rectangular supporting plate II is fixed below the rectangular supporting plate I through a square hole support; the rectangular supporting plate I and the rectangular supporting plate II are both fixed with guide blocks, and the guide blocks and the guide rods form sliding pairs; the guide rod penetrates through the rectangular support plate II, the rectangular support plate I, the platform frame and the support plate with the lower hole, the top end of the guide rod is fixed with the support plate with the upper hole, and the bottom end of the guide rod is fixed with the support plate at the bottom of the platform;
the dynamic torque testing mechanism comprises a vertical shaft, a torque and rotating speed sensor and a vertical supporting plate; the shell of the speed reducer is fixed on a transverse plate, and the transverse plate is fixed with the vertical supporting plate; an output shaft of the speed reducer penetrates through the transverse plate and is connected with an output shaft at one end of the torque and rotation speed sensor through a coupling I; an output shaft at the other end of the torque rotating speed sensor is connected with the top end of the vertical shaft through a coupler II; a shell of the torque and rotation speed sensor is fixed on the vertical supporting plate through a sensor bracket; the vertical shaft is supported on a vertical supporting plate through a rolling bearing; the vertical supporting plate penetrates through an upper supporting plate with holes and a lower supporting plate with holes of the horizontal moving mechanism and is fixed on a rectangular supporting plate I of the lifting control mechanism; the vertical shaft penetrates through the upper supporting plate with holes, the lower supporting plate with holes and the rectangular supporting plate I, and an input shaft of the commutator is connected with the bottom end of the vertical shaft through a coupler III; the shell of the commutator is fixed on the bottom surface of a rectangular support plate II of the lifting control mechanism; the commutator comprises two bevel gears which are meshed with each other, wherein one bevel gear is fixed on an input shaft of the commutator, and the other bevel gear is fixed on an output shaft of the commutator; the input shaft and the output shaft of the commutator and the shell of the commutator form a revolute pair;
the rotary driving mechanism comprises a vertical shaft motor; an output shaft of the vertical shaft motor is fixed with an input shaft of the speed reducer, and a shell of the vertical shaft motor is fixed on the shell of the speed reducer;
the propeller thrust testing mechanism comprises a horizontal shaft and a dynamometer; the horizontal shaft is supported on the bottom surface of a rectangular support plate II of the lifting control mechanism through a rolling bearing and is connected with an output shaft of the commutator through a coupler IV; and two ends of the dynamometer are respectively fixed with the optical axis and a sliding block on the optical axis.
2. The three-degree-of-freedom propeller test platform suitable for the vertical circulating water tank as recited in claim 1, wherein: the rolling bearing on the lifting screw rod is positioned through the end cover and a shaft shoulder on the lifting screw rod; the end cover is fixed with the lifting screw base.
3. The three-degree-of-freedom propeller test platform suitable for the vertical circulating water tank as recited in claim 1, wherein: four groups of guide blocks and four groups of guide rods are arranged.
4. The testing method of the three-degree-of-freedom propeller testing platform suitable for the vertical circulating water tank as claimed in claim 1, 2 or 3, wherein the testing method comprises the following steps: the method comprises the following specific steps:
fixing a propeller to be measured on a horizontal shaft, fixing a platform frame on the top of a water tank, and injecting water into the water tank; then, starting a vertical shaft motor, and transmitting the power of the vertical shaft motor to a vertical shaft through a speed reducer, a coupling I, a torque and rotating speed sensor and a coupling II; the torque and rotating speed sensor transmits the detected torque signal and rotating speed signal to the controller through the data acquisition card; the power of the vertical shaft is transmitted to the horizontal shaft through the coupler III and the commutator, the horizontal shaft drives the propeller to rotate in water to generate thrust to act on the horizontal moving mechanism, a sliding block of the horizontal moving mechanism slides on the optical axis, and the dynamometer transmits a detected thrust signal to the controller through the data acquisition card;
secondly, controlling the rotating speed of the vertical shaft motor through the controller and the servo driver so as to adjust the rotating speed of the propeller, transmitting a detected torque signal and a detected rotating speed signal to the controller through a data acquisition card by using a torque rotating speed sensor, and transmitting a detected thrust signal to the controller through the data acquisition card by using a dynamometer;
thirdly, repeating the second step, and measuring torque, rotating speed and thrust signals of the multi-gear vertical shaft motor at the rotating speed;
stopping the vertical shaft motor, rotating the worm to drive the worm wheel and the lifting screw to rotate, so that the nut block drives the rectangular support plate I, the square hole support, the rectangular support plate II, a horizontal shaft on the bottom surface of the rectangular support plate II and the propeller to move in the vertical direction, and the depth of the propeller under water is adjusted; then, adjusting the rotating speed of the vertical shaft motor to be equal to the rotating speed of the vertical shaft motor in the step one, transmitting a detected torque signal and a detected rotating speed signal to a controller through a data acquisition card by using a torque rotating speed sensor, and transmitting a detected thrust signal to the controller through the data acquisition card by using a dynamometer; then, repeating the second step and the third step;
and step five, repeating the step four to obtain torque, rotating speed and thrust signals of the multi-gear vertical shaft motor under the rotating speed and a plurality of underwater depth values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074262.2A CN112763183B (en) | 2021-01-20 | 2021-01-20 | Three-degree-of-freedom propeller test platform and test method suitable for vertical circulating water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074262.2A CN112763183B (en) | 2021-01-20 | 2021-01-20 | Three-degree-of-freedom propeller test platform and test method suitable for vertical circulating water tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112763183A true CN112763183A (en) | 2021-05-07 |
| CN112763183B CN112763183B (en) | 2022-12-13 |
Family
ID=75703493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110074262.2A Active CN112763183B (en) | 2021-01-20 | 2021-01-20 | Three-degree-of-freedom propeller test platform and test method suitable for vertical circulating water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112763183B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720596A (en) * | 2021-09-10 | 2021-11-30 | 哈尔滨工程大学 | Novel experimental discrepancy water of screw device |
| CN114705395A (en) * | 2022-06-08 | 2022-07-05 | 威海海洋职业学院 | Ship propulsion blade power testing device |
| CN114715428A (en) * | 2022-06-09 | 2022-07-08 | 北京航景创新科技有限公司 | Thrust test board for tail rotor of unmanned helicopter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003075291A (en) * | 2001-09-06 | 2003-03-12 | Izumi Sokki Kk | Propeller power testing machine |
| JP2010091522A (en) * | 2008-10-10 | 2010-04-22 | Ihi Corp | Method of measuring independent performance of propeller |
| CN103743557A (en) * | 2014-01-02 | 2014-04-23 | 上海大学 | Comprehensive propeller test system |
| CN104596692A (en) * | 2014-12-26 | 2015-05-06 | 浙江海洋学院 | Propeller thrust measuring device for small boat |
| CN106017768A (en) * | 2016-06-28 | 2016-10-12 | 哈尔滨工程大学 | Propeller thrust measuring device |
| CN109870296A (en) * | 2019-03-01 | 2019-06-11 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of circulating water chennel ice paddle stream effect propeller performance test macro |
| CN110082064A (en) * | 2019-04-16 | 2019-08-02 | 河海大学 | Slide rail type propeller jet flow and shipping agency wave disturbance imitative experimental appliance and analogy method |
-
2021
- 2021-01-20 CN CN202110074262.2A patent/CN112763183B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003075291A (en) * | 2001-09-06 | 2003-03-12 | Izumi Sokki Kk | Propeller power testing machine |
| JP2010091522A (en) * | 2008-10-10 | 2010-04-22 | Ihi Corp | Method of measuring independent performance of propeller |
| CN103743557A (en) * | 2014-01-02 | 2014-04-23 | 上海大学 | Comprehensive propeller test system |
| CN104596692A (en) * | 2014-12-26 | 2015-05-06 | 浙江海洋学院 | Propeller thrust measuring device for small boat |
| CN106017768A (en) * | 2016-06-28 | 2016-10-12 | 哈尔滨工程大学 | Propeller thrust measuring device |
| CN109870296A (en) * | 2019-03-01 | 2019-06-11 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of circulating water chennel ice paddle stream effect propeller performance test macro |
| CN110082064A (en) * | 2019-04-16 | 2019-08-02 | 河海大学 | Slide rail type propeller jet flow and shipping agency wave disturbance imitative experimental appliance and analogy method |
Non-Patent Citations (1)
| Title |
|---|
| 郭春雨: "螺旋桨-冰接触工况下载荷试验研究", 《船舶力学》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720596A (en) * | 2021-09-10 | 2021-11-30 | 哈尔滨工程大学 | Novel experimental discrepancy water of screw device |
| CN114705395A (en) * | 2022-06-08 | 2022-07-05 | 威海海洋职业学院 | Ship propulsion blade power testing device |
| CN114715428A (en) * | 2022-06-09 | 2022-07-08 | 北京航景创新科技有限公司 | Thrust test board for tail rotor of unmanned helicopter |
| CN114715428B (en) * | 2022-06-09 | 2022-08-19 | 北京航景创新科技有限公司 | Thrust test board for tail rotor of unmanned helicopter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112763183B (en) | 2022-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112763183B (en) | Three-degree-of-freedom propeller test platform and test method suitable for vertical circulating water tank | |
| CN100445713C (en) | Testing apparatus for high temperature, superconducting, magnetic suspension and dynamic performance and testing method with the same | |
| CN103471806B (en) | A kind of drum-type fluid friction resistance tester | |
| CN101699249B (en) | Device for measuring damping ratio of damper | |
| CN109580365B (en) | High-energy accelerator CT rock mechanics test system | |
| CN104280227B (en) | Full face rock tunnel boring machine cutterhead reduced scale testing stand and method for designing | |
| CN108444816B (en) | Rock mass structural plane cyclic shear tester and test method | |
| CN202337972U (en) | Continuous-penetration static sounding vehicle-feel lever continuous adjunction device | |
| CN109406137B (en) | Rotary wheel spiral wheel transmission test bed | |
| CN104198270A (en) | Series-parallel connection spinal-column three-dimensional automatic loading apparatus aiming at traditional Chinese medicine manipulation | |
| CN106525591A (en) | Material damage tolerance detection device based on rotating bending fatigue as well as detection method | |
| CN112697577A (en) | Freezing and thawing cycle frozen soil shearing device capable of reducing normal pressure error | |
| CN106644514A (en) | Planetary vehicle single-wheel rack device capable of continuously adjusting load | |
| CN112129478B (en) | Flexible riser dynamic response experimental device under simulated dynamic boundary condition | |
| CN214407964U (en) | Three-degree-of-freedom propeller test platform suitable for vertical circulating water tank | |
| CN111595581B (en) | Dynamic torque testing method of special crossed roller bearing for harmonic reducer | |
| CN110006626B (en) | Experimental device for simulating response of hull beam to wave load | |
| CN206223559U (en) | Material damage tolerance limit detection means based on rotary bending fatigue | |
| CN116773160A (en) | Propeller shafting non-centering vibration test device and test method | |
| CN209028918U (en) | Coriolis acceleration measurement and acceleration composite theorem examine experimental provision | |
| CN108534761B (en) | Three-dimensional fluid flow velocity simulation method and device | |
| CN202886105U (en) | Platform for testing engine thrust of aerostat | |
| CN109186979B (en) | Oblique transmission type pod test device | |
| CN104977217B (en) | A kind of soil body triaxial extension test instrument | |
| CN209342584U (en) | A kind of non-smooth surface frictional resistance test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |