CN111006862B - Ship propulsion blade power testing device - Google Patents
Ship propulsion blade power testing device Download PDFInfo
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- CN111006862B CN111006862B CN202010034009.XA CN202010034009A CN111006862B CN 111006862 B CN111006862 B CN 111006862B CN 202010034009 A CN202010034009 A CN 202010034009A CN 111006862 B CN111006862 B CN 111006862B
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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
- G01M13/00—Testing of machine parts
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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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Abstract
The invention discloses a dynamic testing device for ship propulsion blades, which comprises a body, wherein a propulsion cavity with a leftward opening is arranged at the left end in the body, a clamping mechanism for clamping blades for testing is arranged in the propulsion cavity, a starting mechanism for starting the test is arranged at the upper end in the body, and a display mechanism for displaying a test result is arranged at the right end in the body.
Description
Technical Field
The invention relates to the field of ship propulsion, in particular to a ship propulsion blade power testing device.
Background
The running of the ship needs to depend on the power propulsion device, and the power propulsion device of the ship needs to test the power propulsion device before putting into practice to detect whether the power propulsion device meets the standard of power propulsion.
At the present stage, the device for carrying out the power test on the propulsion device of the ship is generally complex in design and operation, large in occupied area and low in efficiency of obtaining data through testing.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ship propulsion blade power testing device, which overcomes the problems of low testing efficiency, complex device design and the like, improves the testing efficiency and simplifies the device design.
The invention is realized by the following technical scheme.
The invention discloses a dynamic testing device for ship propulsion blades, which comprises a body, wherein a propulsion cavity with a leftward opening is arranged at the left end in the body, a clamping mechanism for clamping fan blades for testing is arranged in the propulsion cavity, a starting mechanism for starting testing is arranged at the upper end in the body, and a display mechanism for displaying a test result is arranged at the right end in the body;
the starting mechanism comprises a moving cavity which is positioned on the upper cavity wall of the propelling cavity and has a downward opening, a pushing block cavity with a leftward opening is arranged on the right cavity wall of the moving cavity, a pushing block which can move left and right in the cavity is arranged in the pushing block cavity, a reset spring connected with the right cavity wall of the pushing block cavity is fixedly arranged on the right end face of the pushing block, a hemp rope is fixedly connected with the upper end face of the pushing block, a driven cavity with a downward opening is arranged on the upper cavity wall of the moving cavity, a rotating shaft is arranged on the front cavity wall and the rear cavity wall of the driven cavity in a rotating manner, a rotating gear is arranged at the front end of the rotating shaft, a driving bevel gear is arranged at the rear end of the rotating shaft, an electrifying cavity is arranged on the upper side of the driven cavity, a rotating shaft with a lower end extending into the driven cavity is arranged on the upper cavity, circular telegram chamber right-hand member is equipped with the left circular telegram piece that can remove about in the intracavity, the external electricity of left circular telegram piece is connected with the wire, left side circular telegram piece right-hand member with it is equipped with compression spring to connect between the circular telegram chamber right side chamber wall, circular telegram chamber right-hand member still is equipped with and is located there is the circular telegram piece on left side circular telegram piece right side, there is circular telegram piece right-hand member with it is equipped with expanding spring to connect between the circular telegram chamber right side chamber wall, there is circular telegram piece right-hand member face fixedly connected with twine one end, there is.
Furthermore, the starting mechanism comprises a transmission cavity located on the right side of the propelling cavity, a motor is fixedly arranged on the right cavity wall of the transmission cavity, the left end of the motor is in power connection with a driving shaft, the left end of the motor extends into the inner driving shaft, a rope winding wheel is arranged at the right end of the driving shaft in friction connection, a pull rope is wound on the rope winding wheel, a displacement cavity with an upward opening is arranged on the lower cavity wall of the propelling cavity, a moving block capable of sliding left and right in the cavity is arranged in the displacement cavity, a rack capable of sliding left and right in the cavity and connected with the upper end face of the moving block in a meshed mode with the rotating gear is arranged in the displacement cavity, a moving plate is fixedly arranged on the upper end face of the moving block and the lower end face of.
Further, the display mechanism comprises a water collecting cavity located at the right end in the machine body, a floating plate capable of moving up and down in the water collecting cavity is arranged in the water collecting cavity, the upper end face of the floating plate is fixedly provided with a marker post, the upper end of the marker post extends out of the upper cavity wall of the water collecting cavity, the outer wall of the upper end of the marker post is provided with scales, a pointer is fixedly arranged on the upper end face of the machine body, a through groove communicated with the external space is formed in the lower cavity wall of the water collecting cavity, a baffle cavity is arranged in the cavity wall at the upper end of the through groove, a baffle capable of sliding left and right in the cavity is arranged in the baffle cavity, a tension spring is connected between the right end face of the baffle and the right cavity wall of the baffle cavity, the left end face of the baffle is fixedly connected with one end of the pull rope.
Further, the pulling force of the pulling spring is larger than the friction force applied to the baffle when the baffle slides in the baffle cavity.
Furthermore, the elasticity of the extension spring is greater than the friction force received by the electrified block when the electrified block slides in the electrified cavity, and the elasticity of the pressure spring is greater than the friction force received by the left electrified block when the electrified block slides in the electrified cavity.
The invention has the beneficial effects that: the device has a simple structure, is convenient and fast to operate, simulates the working environment of the blades when the ship is propelled during working, tests the blades according to different propelling powers of different propelling blades, visually displays the test result through a visual effect, and can automatically reset after the test is finished so as to rapidly carry out the next test.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure at B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The power testing device for the ship propulsion blade, which is described in conjunction with the attached drawings 1-4, comprises a body 10, a propulsion chamber 31 with a leftward opening is arranged at the left end in the body 10, a clamping mechanism 24 for clamping fan blades for testing is arranged in the propulsion chamber 31, a starting mechanism 32 for starting testing is arranged at the upper end in the body 10, a display mechanism 50 for displaying a test result is arranged at the right end in the body 10, the starting mechanism 32 comprises a moving chamber 33 with a downward opening and located on the upper chamber wall of the propulsion chamber 31, a push block chamber 54 with a leftward opening is arranged on the right chamber wall of the moving chamber 33, a push block 53 capable of moving left and right in the chamber is arranged in the push block chamber 54, a return spring 56 connected with the right chamber wall of the push block chamber 54 is fixedly arranged on the right end face of the push block 53, a hemp rope 55 is fixedly connected on the upper end face of the push block 53, a driven chamber 36 with a, a rotating shaft 37 is rotatably arranged on the front cavity wall and the rear cavity wall of the driven cavity 36, a rotating gear 38 is arranged at the front end of the rotating shaft 37, a driving bevel gear 52 is arranged at the rear end of the rotating shaft 37, a power-on cavity 40 is arranged on the upper side of the driven cavity 36, a rotating shaft 41 with the lower end extending into the driven cavity 36 is rotatably arranged on the upper cavity wall of the power-on cavity 40, a driven bevel gear 39 meshed with the driving bevel gear 52 is arranged at the lower end of the rotating shaft 41, a cam 42 positioned in the power-on cavity 40 is arranged at the upper end of the rotating shaft 41, a left power-on block 44 capable of moving left and right in the cavity is arranged at the right end of the power-on cavity 40, a lead 43 is electrically connected to the external of the left power-on block 44, a pressure spring 45 is connected between the right end surface of the left power-on block 44 and the right cavity wall of the power-on cavity 40, a power-on block 46 positioned on the right, the right end face of the electrified block 46 is fixedly connected with one end of the hemp rope 55, and the upper end of the electrified block 46 is electrically connected with the wire 20.
Beneficially, the starting mechanism 32 includes a transmission cavity 23 located on the right side of the propelling cavity 31, a motor 21 is fixedly arranged on the right cavity wall of the transmission cavity 23, the left end of the motor 21 is in power connection with a driving shaft 29, the left end of the driving shaft 29 extends into the cavity 3, a rope winding wheel 22 is frictionally connected to the right end of the driving shaft 29, a pulling rope 18 is wound on the rope winding wheel 22, a displacement cavity 25 with an upward opening is arranged on the lower cavity wall of the propelling cavity 31, a moving block 28 capable of sliding left and right in the cavity is arranged in the displacement cavity 25, a rack 34 capable of sliding left and right in the cavity and having an upper end surface meshed with the rotating gear 38 is arranged in the moving cavity 33, a moving plate 27 is fixedly arranged on the upper end surface of the moving block 28 and the lower end surface of the rack 34, the left end of the driving shaft 29 penetrates.
Beneficially, the display mechanism 50 includes a water collecting cavity 51 located at the inner right end of the machine body 10, a floating plate 12 capable of moving up and down in the water collecting cavity 51 is arranged in the water collecting cavity 51, a marker post 11 with the upper end extending out of the upper cavity wall of the water collecting cavity 51 is fixedly arranged on the upper end face of the floating plate 12, a scale 49 is arranged on the outer wall of the upper end of the marker post 11, a pointer 48 is fixedly arranged on the upper end face of the machine body 10, a through groove 58 communicated with the external space is arranged on the lower cavity wall of the water collecting cavity 51, a baffle cavity 15 is arranged in the cavity wall at the upper end of the through groove 58, a baffle 14 capable of sliding left and right in the cavity is arranged in the baffle cavity 15, a tension spring 13 is connected between the right end face of the baffle 14 and the right cavity wall of the baffle cavity 15, one end of the pull rope 18 is fixedly connected to the left end face of, the water pump 19 is electrically connected with one end of the electric wire 20.
Advantageously, the tension of the tension spring 13 is greater than the friction to which the shutter 14 is subjected when sliding inside the shutter cavity 15.
Advantageously, the elastic force of the extension spring 47 is greater than the friction force to which the powered block 46 slides in the powered chamber 40, and the elastic force of the compression spring 45 is greater than the friction force to which the left powered block 44 slides in the powered chamber 40.
In the initial state, the rack 34 and the moving block 28 are respectively located at the left ends of the moving cavity 33 and the displacement cavity 25, and the left energizing block 44 and the energized block 46 are in a disengaged state.
When the water pump works, the blade 30 is arranged at the left end of the driving shaft 29, the body 10 is put into water to simulate the environment when a ship is propelled, the motor 21 is started, the motor 21 works to drive the driving shaft 29 and the rope winding wheel 22 and the blade 30 on the driving shaft 29 to rotate, the blade 30 rotates to generate thrust to push the moving plate 27 to the right, the moving plate 27 moves to drive the rack 34 to move to the right, thereby driving the rotating gear 38 meshed with the moving plate to rotate, thereby driving the rotating shaft 37 and the hemp rope 55 at the rear end of the rotating shaft 37 to rotate, thereby driving the driven bevel gear 39 meshed with the hemp rope 55 to rotate, the driven bevel gear 39 rotates to drive the rotating shaft 41 and the cam 42 at the upper end of the rotating shaft 41 to rotate, the cam 42 rotates to drive the left electrified block 44 to move to the right, the left electrified block 44 moves to the right to be in contact with the electrified block 46, the, the rope winding wheel 22 rotates to tighten the pull rope 18, the baffle plate 14 moves leftwards under the action of the pull rope 18 to close the through groove 58, and when the baffle plate 14 cannot move leftwards continuously, the rope winding wheel 22 slides on the driving shaft 29 to stop rotating;
during testing, water pumped by the water pump 19 enters the water collecting cavity 51 through the water inlet pipe 17, the water in the water collecting cavity 51 is increased, the floating plate 12 moves upwards under the buoyancy effect of the water to drive the marker post 11 to move upwards, the pointer 48 points to the scale 49 on the marker post 11 at the moment to obtain a test result, the thrust force is different when the blades 30 rotate, the moving speed of the moving plate 27 moving rightwards is different, when the rack 34 moves rightwards to push the push block 53, the push block 53 moves rightwards to tighten the hemp rope 55, the electrified block 46 moves rightwards under the tension of the hemp rope 55 to be separated from the left electrified block 44, the water pump 19 is powered off to stop pumping water into the water collecting cavity 51, the length of time for pushing the push block 53 by the rack 34 moving rightwards is different according to the difference of the speed of the moving plate 27, so as to control the time for the powered work of the water pump 19 to be different, and the water pumped into the, finally, the positions of the scales 49 on the marker post 11 pointed by the pointer 48 are different, so that the purpose of testing is achieved;
after the test is finished, the motor 21 is turned off, the baffle plate 14 moves rightwards to reset under the action of the tension spring 13, water in the water collecting cavity 51 flows out through the through groove 58, the moving plate 27 moves leftwards to reset under the action of the elastic force of the compression spring 26, and the left electrified block 44 moves leftwards to reset under the action of the elastic force of the pressure spring 45.
The above embodiments are merely illustrative of the technical ideas 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 protection 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 (5)
1. The utility model provides a boats and ships propulsion blade power testing arrangement, includes the fuselage, its characterized in that: a pushing cavity with a leftward opening is formed in the left end in the machine body, a clamping mechanism for clamping fan blades for testing is arranged in the pushing cavity, a starting mechanism for starting testing is arranged at the upper end in the machine body, and a display mechanism for displaying a test result is arranged at the right end in the machine body;
the starting mechanism comprises a moving cavity which is positioned on the upper cavity wall of the propelling cavity and has a downward opening, a pushing block cavity with a leftward opening is arranged on the right cavity wall of the moving cavity, a pushing block which can move left and right in the cavity is arranged in the pushing block cavity, a reset spring connected with the right cavity wall of the pushing block cavity is fixedly arranged on the right end face of the pushing block, a hemp rope is fixedly connected with the upper end face of the pushing block, a driven cavity with a downward opening is arranged on the upper cavity wall of the moving cavity, a rotating shaft is arranged on the front cavity wall and the rear cavity wall of the driven cavity in a rotating manner, a rotating gear is arranged at the front end of the rotating shaft, a driving bevel gear is arranged at the rear end of the rotating shaft, an electrifying cavity is arranged on the upper side of the driven cavity, a rotating shaft with a lower end extending into the driven cavity is arranged on the upper cavity, circular telegram chamber right-hand member is equipped with the left circular telegram piece that can remove about in the intracavity, the external electricity of left circular telegram piece is connected with the wire, left side circular telegram piece right-hand member with it is equipped with compression spring to connect between the circular telegram chamber right side chamber wall, circular telegram chamber right-hand member still is equipped with and is located there is the circular telegram piece on left side circular telegram piece right side, there is circular telegram piece right-hand member with it is equipped with expanding spring to connect between the circular telegram chamber right side chamber wall, there is circular telegram piece right-hand member face fixedly connected with twine one end, there is.
2. The dynamic testing device for the ship propulsion blade according to claim 1, wherein: the starting mechanism comprises a transmission cavity located on the right side of the propelling cavity, a motor is fixedly arranged on the right cavity wall of the transmission cavity, the left end of the motor is in power connection with a left end extending into the inner driving shaft, a rope winding wheel is arranged at the right end of the driving shaft in a friction connection mode, a pull rope is wound on the rope winding wheel, a displacement cavity with an upward opening is formed in the lower cavity wall of the propelling cavity, a moving block capable of sliding left and right in the cavity is arranged in the displacement cavity, a rack capable of sliding left and right in the cavity and connected with the rotating gear in a meshed mode is arranged in the movement cavity, a moving plate is fixedly arranged on the upper end face of the moving block and the lower end face of the rack, the left end of the driving shaft penetrates through.
3. The dynamic testing device for the ship propulsion blade according to claim 2, wherein: the display mechanism is including being located the chamber that catchments of right-hand member in the fuselage, it is equipped with the kickboard that can reciprocate in the intracavity to catchment the intracavity, the fixed marker post that is equipped with the upper end and stretches out catchment the chamber upper chamber wall of floating board up end, the outer wall of marker post upper end is equipped with the scale, the fixed pointer that is equipped with of fuselage upper end face, it is equipped with the logical groove that feeds through external space to catchment chamber lower chamber wall, be equipped with the baffle chamber in the chamber wall of logical groove upper end, the baffle intracavity is equipped with the baffle that can be at the intracavity horizontal slip, baffle right-hand member face with it is equipped with tension spring to connect between the baffle chamber right side chamber wall, baffle left end face fixedly connected with stay cord one end, it is equipped with the inlet channel that stretches into external space to catchment chamber upper chamber wall.
4. The dynamic testing device for the ship propulsion blade according to claim 3, wherein: the pulling force of the tension spring is larger than the friction force applied to the baffle when the baffle slides in the baffle cavity.
5. The dynamic testing device for the ship propulsion blade according to claim 4, wherein: the elasticity of the telescopic spring is greater than the friction force received by the electrified block when the electrified block slides in the electrified cavity, and the elasticity of the pressure spring is greater than the friction force received by the left electrified block when the electrified block slides in the electrified cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034009.XA CN111006862B (en) | 2020-01-13 | 2020-01-13 | Ship propulsion blade power testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034009.XA CN111006862B (en) | 2020-01-13 | 2020-01-13 | Ship propulsion blade power testing device |
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| Publication Number | Publication Date |
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| CN111006862A CN111006862A (en) | 2020-04-14 |
| CN111006862B true CN111006862B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010034009.XA Active CN111006862B (en) | 2020-01-13 | 2020-01-13 | Ship propulsion blade power testing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114705395B (en) * | 2022-06-08 | 2022-08-12 | 威海海洋职业学院 | Ship propulsion blade power testing device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5503022A (en) * | 1993-01-25 | 1996-04-02 | Barone; Larry A. | Marine impeller tester |
| JP5252318B2 (en) * | 2010-08-27 | 2013-07-31 | 株式会社デンソー | Vane type pump device and leak check system using the same |
| CN202216820U (en) * | 2011-07-19 | 2012-05-09 | 华中科技大学 | Simulation test stand of longitudinal vibration of marine propulsion shafting |
| CN102980765B (en) * | 2012-12-12 | 2014-03-26 | 武汉理工大学 | Comprehensive test platform for marine shafting |
| CN103743557B (en) * | 2014-01-02 | 2016-02-17 | 上海大学 | A kind of comprehensive propeller test system |
| CN104332091B (en) * | 2014-11-20 | 2016-06-08 | 江苏科技大学 | The simple experimental device of pump hydraulic propeller |
| CN104596692B (en) * | 2014-12-26 | 2017-04-26 | 浙江海洋学院 | Propeller thrust measuring device for small boat |
| KR101845963B1 (en) * | 2016-05-04 | 2018-04-05 | 한국해양과학기술원 | Module-type high-capacity propeller test equipment with good maintenance and noise characteristics |
| CN107907260B (en) * | 2017-10-22 | 2019-09-20 | 浙江大学 | A kind of airscrew thrust measurement method and device |
| CN109870296B (en) * | 2019-03-01 | 2021-08-24 | 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） | Circulating water tank ice propeller flow effect propeller performance test system |
| CN110296812B (en) * | 2019-07-08 | 2020-11-17 | 河海大学 | Simulation experiment device and experiment method for jet flow and ship traveling wave disturbance of traction type propulsion propeller |
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Effective date of registration: 20201204 Address after: 225400 Daiwang Road, Chengdong Industrial Park, Taixing City, Taizhou City, Jiangsu Province Applicant after: JIANGSU FENGYUAN SHIP ENGINEERING Co.,Ltd. Address before: 322000 201, unit 1, building 61, Tangtan village, Beiyuan street, Yiwu City, Jinhua City, Zhejiang Province Applicant before: Yiwu Dalin Shipping Co.,Ltd. |
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