CN108414215B - Experimental device for simulating transverse inclination of marine rotor - Google Patents
Experimental device for simulating transverse inclination of marine rotor Download PDFInfo
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- CN108414215B CN108414215B CN201810586466.2A CN201810586466A CN108414215B CN 108414215 B CN108414215 B CN 108414215B CN 201810586466 A CN201810586466 A CN 201810586466A CN 108414215 B CN108414215 B CN 108414215B
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- 238000004088 simulation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
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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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Abstract
The invention discloses an experimental device for simulating the transverse inclination of a marine rotor, belongs to the technical field of transverse inclination experiments of rotary mechanical equipment, and aims to solve the problem that an experimental simulation device for simulating the transverse inclination working condition of a ship does not exist at present. The motor is fixedly arranged on the working platform, the motor is electrically connected with the control cabinet, the output end of the motor is fixedly connected with one end of the fourth connecting rod, the other end of the fourth connecting rod is hinged with one end of the third connecting rod at the point F, the other end of the third connecting rod is hinged with one end of the second connecting rod at the point E, the middle part of the second connecting rod is provided with a sliding pair, the other end of the second connecting rod is hinged with one end of the first connecting rod at the point D, the middle part of the rocker is hinged with a support on a vertical fixing surface at the point B, and the lower end of the rocker is hinged with the other end of the first connecting rod at the point C. According to the experimental device for simulating the transverse inclination of the marine rotor, disclosed by the invention, the connecting rod swinging mechanism can be driven by the motor, so that the left-right swinging of the base is controlled, and the transverse inclination working condition of the ship is further simulated.
Description
Technical Field
The invention relates to an experimental device, in particular to an experimental device for simulating the transverse inclination of a marine rotor, and belongs to the technical field of transverse inclination experiments of rotary mechanical equipment.
Background
When the ship sails on the sea, the buoyancy force and the gravity force are not collinear when the ship floats positively under the action of external force or internal force factors, so that the ship can incline left and right, and the draft of two sides is different, so that the ship is transversely inclined. The transverse inclination can cause the marine rotating mechanical power equipment to display different dynamic characteristics, influence the stability and the reliability of the marine rotating mechanical power equipment, and even induce faults. Therefore, the establishment of the ship transverse inclination experiment simulation device has great engineering practical significance and guiding effect.
Disclosure of Invention
The invention aims to provide an experimental device for simulating the transverse inclination of a marine rotor so as to solve the technical problems.
An experimental device for simulating the transverse inclination of a marine rotor comprises a marine gas turbine, a base, a rocker, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a motor and a control cabinet;
the motor is fixedly arranged on the working platform, the motor is electrically connected with the control cabinet, the output end of the motor is fixedly connected with one end of the fourth connecting rod, the other end of the fourth connecting rod is hinged with one end of the third connecting rod at the point F, the other end of the third connecting rod is hinged with one end of the second connecting rod at the point E, the middle part of the second connecting rod is provided with a sliding pair, the other end of the second connecting rod is hinged with one end of the first connecting rod at the point D, the middle part of the rocker is hinged with a support on a vertical fixing surface at the point B, the lower end of the rocker is hinged with the other end of the first connecting rod at the point C, the upper end of the rocker is fixedly connected with the base at the point A, and the base is provided with a ship gas turbine.
Preferably: the rocker is vertically and fixedly connected with the base.
Preferably: the sliding pair is a linear bearing, a ball sliding rail or a rail sliding groove.
Compared with the existing products, the invention has the following effects: the designed test device drives the connecting rod swing mechanism through the motor to control the left and right swing of the base, so as to simulate the transverse inclination working condition of the ship; the device has simple structure and convenient processing; the swinging speed can be controlled by adjusting the rotating speed of the motor, and the swinging angle amplitude of the transverse inclination can be adjusted and controlled by controlling the length of the connecting rod and the position of the hinge point, so that the safety and the stability are high.
Drawings
FIG. 1 is a schematic structural diagram of an experimental device for simulating the transverse inclination of a marine rotor according to the invention;
FIG. 2 is a schematic view of the device in a tilted left position;
fig. 3 is a schematic view of the structure of the device in a tilted state.
In the figure: 1-ship gas turbine, 2-base, 3-rocker, 4-first connecting rod, 5-second connecting rod, 6-third connecting rod, 7-fourth connecting rod, 8-motor 9-switch board.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 3, the experimental device for simulating the transverse inclination of the marine rotor comprises a marine gas turbine 1, a base 2, a rocker 3, a first connecting rod 4, a second connecting rod 5, a third connecting rod 6, a fourth connecting rod 7, a motor 8 and a control cabinet 9;
the motor 8 is fixedly arranged on the working platform, the motor 8 is electrically connected with the control cabinet 9, the output end of the motor 8 is fixedly connected with one end of the fourth connecting rod 7 at the point G, the other end of the fourth connecting rod 7 is hinged with one end of the third connecting rod 6 at the point F, the other end of the third connecting rod 6 is hinged with one end of the second connecting rod 5 at the point E, the middle part of the second connecting rod 5 is provided with a sliding pair, the other end of the second connecting rod 5 is hinged with one end of the first connecting rod 4 at the point D, the middle part of the rocker 3 is hinged with a support on a vertical fixing surface at the point B, the lower end of the rocker 3 is hinged with the other end of the first connecting rod 4 at the point C, the upper end of the rocker 3 is fixedly connected with the base 2 at the point A, and the gas turbine 1 is arranged on the base 2.
Further: the rocker 3 is vertically and fixedly connected with the base 2.
Further: the sliding pair is a linear bearing, a ball sliding rail or a rail sliding groove.
Working principle: the control cabinet 9 is connected with the motor 8 to provide a working power supply for the motor 8, the motor 8 is used as a driving device to drive the fourth connecting rod 7 to rotate around the point G, the left end part of the fourth connecting rod 7 and the left end part of the third connecting rod 6 are hinged to the point F, the right end part of the third connecting rod 6 and the left end part of the second connecting rod 5 are hinged to the point E, the second connecting rod 5 is provided with a sliding pair, the right end part of the second connecting rod 5 and the left end part of the first connecting rod 4 are hinged to the point D, the right end part of the first connecting rod 4 and the lower end of the rocker 3 are hinged to the point C, the upper end of the rocker 3 is fixedly connected with the base 2 and fixedly hinged to the point A; the middle part of the rocker 3 is hinged with a support on the vertical fixing surface at a point B; the ship gas turbine 1 is fixedly connected with the base 2. The G, E, D points are on the same horizontal straight line, and in order to ensure that the fourth connecting rod 7 can rotate in the whole circle, the length of the fourth connecting rod 7 is smaller than that of the third connecting rod 6.
The test bed is used as a load input device for the left and right swing of the base 2 through a motor 8; the fourth connecting rod 7 is driven by the motor 8 to do circular motion so as to drive the third connecting rod 6 to swing; the third connecting rod 6 drives the second connecting rod 5 to move along the horizontal left and right sides, so that the first connecting rod 4 is driven to swing, and the rocker 3 is driven to swing left and right, so that the left and right swing of the rotor system is controlled, and the ship transverse inclination state is simulated.
Fig. 1 shows the horizontal state of the experimental system, in which the fourth link 7 is perpendicular to the second link 5, the second link 5 is in the same line as the first link 4, and the first link 4 is perpendicular to the rocker 3.
With reference to fig. 1, when the motor rotates clockwise within the first 90 ° interval, the motor 8 drives the fourth connecting rod 7 to rotate clockwise around the G point, drives the third connecting rod 6 to swing, further drives the second connecting rod 5 to horizontally move right in a straight line, drives the first connecting rod 4 to swing, and further drives the rocker 3 to swing to the left side, thereby driving the base 2 and the whole rotor system to reach a left-tilting state. As shown in fig. 2.
When the motor continues to rotate for 90-180 degrees, the motor 8 drives the fourth connecting rod 7 to rotate clockwise around the G point to drive the third connecting rod 6 to swing, the third connecting rod 6 starts to push the second connecting rod 5 to horizontally move left in a straight line, the first 4 connecting rod is driven to swing, and then the rocker 3 is driven to swing to the right side, so that the base 2 and the whole rotor system are driven to reach the horizontal state of FIG. 1.
When the motor continues to rotate 180-270 degrees, the motor drives the fourth connecting rod 7 to rotate clockwise around the G point to drive the third connecting rod 6 to swing, the third connecting rod 6 continues to push the second connecting rod 5 to horizontally move left in a straight line, the first connecting rod 4 is driven to swing, and the rocker 3 is driven to swing to the right side, so that the base 2 and the whole rotor system are driven to reach the right tilting state of fig. 3.
When the motor continues to rotate for 270-360 degrees, the motor 8 drives the fourth connecting rod 7 to rotate clockwise around the G point to drive the third connecting rod 6 to swing, the third connecting rod 6 starts to push the second connecting rod 5 to horizontally and rightwards do linear motion to drive the first connecting rod 4 to swing, and then the shaking 3 rod is driven to swing leftwards, so that the base 2 and the whole rotor system are driven to reach the horizontal state of fig. 1.
The key technology of the test device is as follows: the motor 8 can be used as a driving transmission device, so that the base 2 can be controlled to swing left and right, and the transverse tilting working condition of the ship can be simulated.
The present embodiment is only exemplary of the present patent, and does not limit the scope of protection thereof, and those skilled in the art may also change the part thereof, so long as the spirit of the present patent is not exceeded, and the present patent is within the scope of protection thereof.
Claims (1)
1. An experimental device for simulating the transverse inclination of a marine rotor is characterized in that: the gas turbine for the ship comprises a gas turbine (1) for the ship, a base (2), a rocker (3), a first connecting rod (4), a second connecting rod (5), a third connecting rod (6), a fourth connecting rod (7), a motor (8) and a control cabinet (9);
the motor (8) is fixedly arranged on the working platform, the motor (8) is electrically connected with the control cabinet (9), the output end of the motor (8) is fixedly connected with one end of the fourth connecting rod (7) at a point G, the other end of the fourth connecting rod (7) is hinged with one end of the third connecting rod (6) at a point F, the other end of the third connecting rod (6) is hinged with one end of the second connecting rod (5) at a point E, a sliding pair is arranged in the middle of the second connecting rod (5), the other end of the second connecting rod (5) is hinged with one end of the first connecting rod (4) at a point D, the middle of the rocker (3) is hinged with a support on a vertical fixing surface at a point B, the lower end of the rocker (3) is hinged with the other end of the first connecting rod (4) at a point C, the upper end of the rocker (3) is fixedly connected with the base (2) at a point A, and the gas turbine (1) for a ship is arranged on the base (2);
the rocker (3) is vertically and fixedly connected with the base (2);
the sliding pair is a linear bearing, a ball sliding rail or a rail sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586466.2A CN108414215B (en) | 2018-06-08 | 2018-06-08 | Experimental device for simulating transverse inclination of marine rotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586466.2A CN108414215B (en) | 2018-06-08 | 2018-06-08 | Experimental device for simulating transverse inclination of marine rotor |
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| Publication Number | Publication Date |
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| CN108414215A CN108414215A (en) | 2018-08-17 |
| CN108414215B true CN108414215B (en) | 2024-04-09 |
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| CN201810586466.2A Active CN108414215B (en) | 2018-06-08 | 2018-06-08 | Experimental device for simulating transverse inclination of marine rotor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109883668B (en) * | 2019-02-19 | 2021-02-19 | 哈尔滨电气股份有限公司 | Test device and test method for simulating swing property of marine rotor |
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| CN101544271A (en) * | 2009-04-30 | 2009-09-30 | 上海交通大学 | Double freedom degree adjustable amplitude platform |
| KR100934618B1 (en) * | 2009-08-14 | 2009-12-31 | 주식회사 수퍼센츄리 | Forced oscillation device for the evaluation of ships coupled motion between roll and sway |
| CN102466572A (en) * | 2010-11-17 | 2012-05-23 | 西北机器有限公司 | Tilt and swing experiment system |
| CN202631279U (en) * | 2012-05-11 | 2012-12-26 | 风帆股份有限公司 | Storage battery swing testing machine used for boat |
| CN104123866A (en) * | 2014-07-15 | 2014-10-29 | 哈尔滨工程大学 | Forced ship model rolling experiment device |
| CN104458229A (en) * | 2014-11-28 | 2015-03-25 | 资阳南车电气有限公司 | Swing testing machine and swing testing method |
| CN104963145A (en) * | 2015-06-29 | 2015-10-07 | 萧振林 | Cloth wobbling system with multiple sets of left-right wobbling mechanisms and two sets of front-back wobbling mechanisms |
| CN107117258A (en) * | 2017-03-29 | 2017-09-01 | 浙江海洋大学 | A kind of rolling motion analogue means of ship bay section hydrodynamic performance experiment |
| CN208171589U (en) * | 2018-06-08 | 2018-11-30 | 哈尔滨电气股份有限公司 | A kind of experimental provision for simulating rotor heel peculiar to vessel |
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2018
- 2018-06-08 CN CN201810586466.2A patent/CN108414215B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544271A (en) * | 2009-04-30 | 2009-09-30 | 上海交通大学 | Double freedom degree adjustable amplitude platform |
| KR100934618B1 (en) * | 2009-08-14 | 2009-12-31 | 주식회사 수퍼센츄리 | Forced oscillation device for the evaluation of ships coupled motion between roll and sway |
| CN102466572A (en) * | 2010-11-17 | 2012-05-23 | 西北机器有限公司 | Tilt and swing experiment system |
| CN202631279U (en) * | 2012-05-11 | 2012-12-26 | 风帆股份有限公司 | Storage battery swing testing machine used for boat |
| CN104123866A (en) * | 2014-07-15 | 2014-10-29 | 哈尔滨工程大学 | Forced ship model rolling experiment device |
| CN104458229A (en) * | 2014-11-28 | 2015-03-25 | 资阳南车电气有限公司 | Swing testing machine and swing testing method |
| CN104963145A (en) * | 2015-06-29 | 2015-10-07 | 萧振林 | Cloth wobbling system with multiple sets of left-right wobbling mechanisms and two sets of front-back wobbling mechanisms |
| CN107117258A (en) * | 2017-03-29 | 2017-09-01 | 浙江海洋大学 | A kind of rolling motion analogue means of ship bay section hydrodynamic performance experiment |
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| CN108414215A (en) | 2018-08-17 |
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