CN109282979B - Ship propulsion simulation device driven by double-degree-of-freedom servo motor - Google Patents
Ship propulsion simulation device driven by double-degree-of-freedom servo motor Download PDFInfo
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- CN109282979B CN109282979B CN201811276153.3A CN201811276153A CN109282979B CN 109282979 B CN109282979 B CN 109282979B CN 201811276153 A CN201811276153 A CN 201811276153A CN 109282979 B CN109282979 B CN 109282979B
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- 238000004088 simulation Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 230000033001 locomotion Effects 0.000 claims abstract description 40
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001141 propulsive effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Abstract
The invention relates to a ship propulsion simulation device driven by a double-degree-of-freedom servo motor, and belongs to the technical field of load simulation experiment devices. The simulation device mainly comprises a double-degree-of-freedom servo motor, a transmission mechanism shell, a piston and an output shaft, wherein the double-degree-of-freedom servo motor is connected with the transmission mechanism, the transmission mechanism and the piston are respectively in sliding fit with the transmission mechanism shell, the transmission mechanism shell and the piston enclose a hydraulic oil cavity, and the output shaft is connected with the piston; the linear and rotary motion of the double-degree-of-freedom servo motor sequentially simulates constant force and pulsating force parts, and as the rotary motion of the transmission mechanism is limited by the transmission mechanism shell, the linear or rotary motion of the double-degree-of-freedom servo motor is transmitted to the transmission mechanism and converted into reciprocating linear motion of the transmission mechanism, and then the piston and the output shaft are driven by the hydraulic oil cavity to output exciting force.
Description
Technical Field
The invention relates to a ship propulsion simulation device driven by a double-degree-of-freedom servo motor, and belongs to the technical field of load simulation experiment devices.
Background
The ship propeller is a power conversion device of a ship. By utilizing the propelling force generated by the propeller, the ship can overcome the resistance of sailing in water and realize acceleration and deceleration. The most common propeller is a propeller, which is rotated at high speed in water, so that it is subjected to the reaction force of the water, which is applied to the shaft and transmitted to the hull to propel the ship. This propulsion force is generally fluctuating due to the action of the water flow, which contains two components: constant propulsion force and exciting force generated after fluid-solid coupling, and the frequency of the exciting force is approximately positively correlated with the rotating speed of the propeller.
It can be seen that the propeller shaft connected to the propeller on the vessel and the shafting means behind it are subjected to the reaction of fluctuating propulsive forces. Therefore, when performing a related experiment on a ship shaft or shafting, such a propulsive force needs to be applied to a simulation thereof to verify the related performance of the shaft and shafting or obtain corresponding experimental data. The common means is that a constant force part and a pulsating force part in the propelling force are respectively simulated by two sets of power devices (such as electric cylinders), and the scheme needs to additionally design a tool structure, so that the installation difficulty is high; along with the development of electromagnetic valve technology, a hydraulic cylinder is also provided with a high-speed electromagnetic valve group to realize the function of simulating ship propulsion by continuously changing the pressure in the hydraulic cylinder, but the scheme has higher requirement on the switching frequency of the valve, and in order to accurately control the output force, the equipment also needs to be provided with a pressure sensor, so that on one hand, the cost of the equipment is increased, and meanwhile, the reliability is lower.
Disclosure of Invention
Aiming at the defects of the existing power device for simulating the ship propulsion, the invention provides the ship propulsion simulation device driven by the double-freedom-degree servo motor, which adopts the double-freedom-degree servo motor as a power source and can output linear thrust or rotating torque, so that a constant force part and a pulsating force part in the ship propulsion can be simulated.
The aim of the invention is achieved by the following technical scheme.
The marine propulsion simulator driven by the double-freedom-degree servo motor comprises a motor shell, a double-freedom-degree servo motor, a transmission mechanism shell, a transmission mechanism end cover, a piston, an output shaft, a spring and an output shaft end cover;
the double-freedom-degree servo motor is a servo motor capable of outputting in two degrees of freedom of rotation and linear motion; the inner surface of the transmission mechanism shell is designed into a non-rotationally symmetrical structure (such as rectangle, ellipse and the like) and is used for limiting the rotation movement of the transmission mechanism;
the double-degree-of-freedom servo motor is arranged in the motor shell, and a convex cavity is formed in the motor shell; one end of the transmission mechanism shell is arranged on one end of the large-diameter cavity of the motor shell, and the other end of the transmission mechanism shell is arranged on the end cover of the transmission mechanism; the piston is in sliding fit with the inner surface of the transmission mechanism shell, the transmission mechanism is positioned in the transmission mechanism shell and is connected with the double-degree-of-freedom servo motor, and the transmission mechanism, the transmission mechanism shell and the piston enclose a closed hydraulic oil cavity; the output shaft end cover is arranged on the transmission mechanism end cover, the output shaft penetrates through the transmission mechanism end cover and the output shaft end cover and is supported on the transmission mechanism end cover through a sliding bearing, one end of the output shaft is connected with the piston, and the other end of the output shaft is positioned outside the transmission mechanism shell; one end of the spring is abutted against the inner surface of the end cover of the transmission mechanism, and the other end is abutted against the end face of the output shaft positioned on the piston.
Further, the transmission mechanism comprises a driving wheel, a transmission sphere and a driven wheel; the driven wheel is in sliding fit with the inner surface of the transmission mechanism shell, a hydraulic oil cavity is formed by the driven wheel, the transmission mechanism shell and the piston, one end of the driving wheel is matched with the driven wheel through a transmission sphere, and the other end of the driving wheel is connected with the double-freedom-degree servo motor.
Further, the driving wheel and the driven wheel are respectively provided with a space groove on the end face contacted with the transmission sphere, so that the transmission sphere can freely roll in the space grooves, and the space grooves on the driving wheel and the space grooves on the driven wheel are complementary in the normal direction of the end face. And the space grooves on the end surfaces of the driving wheel and the driven wheel can be designed according to the requirement, so that the rotation of the motor rotor for one circle can be converted into the reciprocating linear motion of the driven wheel for a plurality of times.
Further, the double-freedom-degree servo motor comprises a motor shaft, a motor shaft end cover, a first support sleeve, a second support sleeve, a motor first stator, a rotor permanent magnet, a motor rotor, a rotor sleeve and a motor second stator;
center holes are respectively processed on one end of the large-diameter cavity of the motor shell and one end of the small-diameter cavity of the motor shell; rectangular splines are respectively processed on the motor shaft and the rotor sleeve;
the motor comprises a motor shell, a motor shaft end cover, a first support sleeve, a second support sleeve and a second support sleeve, wherein the motor shaft end cover is arranged in a central hole at one end of a small-diameter cavity of the motor shell; the motor shaft sequentially passes through the motor shaft end cover, the first support sleeve, the rotor sleeve and the second support sleeve and is respectively supported on the first support sleeve and the second support sleeve through sliding bearings, one end of the motor shaft is positioned outside the motor shell, and the other end of the motor shaft is connected with the driving wheel; the rotor permanent magnet and the motor first stator are positioned in the small-diameter cavity of the motor shell, the rotor permanent magnet is connected with the motor shaft, the motor first stator is arranged on the inner wall of the small-diameter cavity of the motor shell, and the rotor permanent magnet is in clearance fit with the motor first stator; the rotor sleeve, the motor rotor and the motor second stator are positioned in the large-diameter cavity of the motor shell, the rotor sleeve is connected with the motor shaft in a key way, the motor rotor is connected with the rotor sleeve and is supported on the other end of the large-diameter cavity of the motor shell through the rolling bearing, and the motor second stator is installed on the inner wall of the large-diameter cavity of the motor shell.
The operation of the ship propulsion simulation device driven by the double-freedom-degree servo motor is divided into two stages: the first stage, the motor is powered on by the first stator, the rotor permanent magnet and the motor shaft push the driving wheel, the transmission ball body and the driven wheel to do linear motion, and hydraulic oil in the hydraulic oil cavity is compressed to simulate a constant force part in ship propulsion; in the second stage, the second stator of the motor is electrified, the motor rotor, the rotor sleeve, the motor shaft and the driving wheel are driven to do rotary motion, the rotary motion of the driven wheel is limited by the transmission mechanism shell, the rotary motion of the driving wheel acts on the driven wheel through the transmission sphere to drive the driven wheel to do reciprocating linear motion, and the fluctuation and change of the pressure of hydraulic oil in the hydraulic oil cavity are used for simulating the pulsating force part in the propelling force of the ship. Because the transmission mechanism shell is in a non-rotationally symmetrical outline with the driven wheel and the piston, the rotation movement of the driven wheel and the piston is limited and can only do reciprocating rectilinear movement, when the rotation movement or rectilinear movement of the driving wheel acts on the driven wheel through the transmission sphere, the driven wheel is driven to do reciprocating rectilinear movement, the hydraulic oil in the hydraulic oil cavity is compressed, and then exciting force is output through the piston and the output shaft.
Advantageous effects
(1) The dual-degree-of-freedom servo motor is used as a power source, and linear thrust or rotary torque can be output, so that a constant force part and a pulsating force part in ship propulsion can be simulated, the control precision is high, the integration degree is high, and the structure is simple.
(2) The initial displacement of the driving wheel and the driven wheel can be controlled by controlling the energizing time of the winding of the first stator of the motor and the input current, so that the amplitude of the output exciting force is continuously adjustable.
(3) The end face space grooves of the driving wheel and the driven wheel can be designed according to the requirement, so that the rotation of the motor rotor in one circle can be converted into the reciprocating linear motion of the driven wheel for a plurality of times, and the output exciting force has a wide exciting frequency adjusting range in cooperation with the speed regulation of the double-freedom-degree servo motor.
Drawings
Fig. 1 is a schematic structural diagram of a ship propulsion simulator driven by a dual-degree-of-freedom servo motor according to the present invention.
Wherein, the motor comprises a motor shaft 1, a motor shaft 2, a motor shaft end cover, a first support sleeve 3, a motor shaft 4, a rotor permanent magnet 5, a first positioning sleeve 6, a first stator 7, a first side shell 8, a second positioning sleeve 9, a second end cover 10, a rotor sleeve 11, a motor rotor 12, a third positioning sleeve 13, a second stator 14, 15-motor second side shell, 16-fourth locating sleeve, 17-fifth locating sleeve, 18-second supporting sleeve, 19-motor third end cover, 20-driving wheel, 21-transmission mechanism shell, 22-transmission sphere, 23-driven wheel, 24-hydraulic oil cavity, 25-piston, 26-spring, 27-transmission mechanism end cover, 28-output shaft end cover, 29-output shaft.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Example 1
A ship propulsion simulation device driven by a double-freedom-degree servo motor, the simulation device comprises a motor first end cover 4, a motor first side shell 8, a motor second end cover 10, a motor second side shell 15, a motor third end cover 19, the double-freedom-degree servo motor, a transmission mechanism shell 21, a transmission mechanism end cover 27, a piston 25, an output shaft 29, a spring 26 and an output shaft end cover 28;
the double-freedom-degree servo motor is a servo motor capable of outputting in two degrees of freedom of rotation and linear motion, and comprises a motor shaft 1, a motor shaft end cover 2, a first support sleeve 3, a second support sleeve 18, a motor first stator 7, a rotor permanent magnet 5, a motor rotor 12, a rotor sleeve 11 and a motor second stator 14;
the transmission mechanism comprises a driving wheel 20, a transmission sphere 22 and a driven wheel 23; the driving wheel 20 and the driven wheel 23 are respectively provided with a space groove on the end surface contacted with the driving ball 22, the depth of the space grooves is changed along the circumferential direction, the driving ball 22 can freely roll in the space grooves, the space grooves on the driving wheel 20 and the driven wheel 23 are complemented in the normal direction of the end surface, and the driving wheel 20 and the space grooves on the end surface of the driven wheel 23 can be designed according to the requirement, so that the rotation of the motor rotor 12 for one circle can be converted into a plurality of reciprocating linear movements of the driven wheel 23;
the inner surface of the transmission mechanism shell 21 is designed into a non-rotationally symmetrical structure (such as a rectangle, an ellipse, etc.);
center holes are respectively formed in the first motor end cover 4 and the third motor end cover 19;
rectangular splines are respectively machined on the motor shaft 1 and the rotor sleeve 11;
as shown in fig. 1, the assembly relationship between the components in the illustrated simulation apparatus is as follows: the motor first end cover 4, the motor first side shell 8, the motor second end cover 10, the motor second side shell 15 and the motor third end cover 19 are sequentially connected to form a motor shell, and a convex cavity is formed in the motor shell; the double-degree-of-freedom servo motor is arranged in a motor shell, wherein a first support sleeve 3 is arranged in a central hole of a first motor end cover 4, a motor shaft end cover 2 is connected with one end of the first support sleeve 3 positioned outside the motor shell, a second support sleeve 18 is arranged in a central hole of a third motor end cover 19, a motor shaft 1 sequentially passes through the motor shaft end cover 2, the first support sleeve 3, a second motor end cover 10, a rotor sleeve 11 and the second support sleeve 18, two ends of the motor shaft 1 are respectively supported on the first support sleeve 3 and the second support sleeve 18 through sliding bearings, one end of the motor shaft 1 is positioned outside the motor shell, and the other end of the motor shaft 1 is connected with a driving wheel 20; the rotor permanent magnet 5 and the motor first stator 7 are positioned in a small-diameter cavity of the motor shell, the rotor permanent magnet 5 is connected with the motor shaft 1, the motor first stator 7 is mounted on the motor first side shell 8 and is positioned through a first positioning sleeve 6 and a second positioning sleeve mounted at two ends of the motor first stator 7, and the rotor permanent magnet 5 is in clearance fit with the motor first stator 7; the rotor sleeve 11, the motor rotor 12 and the motor second stator 14 are positioned in a large-diameter cavity of the motor shell, the rotor sleeve 11 is connected with the motor shaft 1 in a key way and positioned through a fourth positioning sleeve 16, the motor rotor 12 is connected with the rotor sleeve 11 and supported on the motor second end cover 10 through a rolling bearing, the motor second stator 14 is mounted on the motor second side shell 15 and positioned through a third positioning sleeve 13 and a fifth positioning sleeve 17 which are mounted at two ends of the motor second stator 14, and the motor rotor 12 is in clearance fit with the motor second stator 14; one end of the transmission mechanism shell 21 is arranged on the third end cover 19 of the motor, the other end of the transmission mechanism shell is arranged on the transmission mechanism end cover 27, and the transmission mechanism and the piston 25 are positioned inside the transmission mechanism shell 21; the driven wheel 23 is in sliding fit with the inner surface of the transmission mechanism shell 21, the driven wheel 23, the transmission mechanism shell 21 and the piston 25 enclose a hydraulic oil cavity 24, and the driving wheel 20 is matched with the driven wheel 23 through a transmission sphere 22; the output shaft end cover 28 is arranged on the transmission mechanism end cover 27, the output shaft 29 passes through the transmission mechanism end cover 27 and the output shaft end cover 28 and is supported on the transmission mechanism end cover 27 through a sliding bearing, one end of the output shaft 29 is connected with the piston 25, and the other end is positioned outside the transmission mechanism shell 21; one end of the spring 26 abuts against the inner surface of the end cap 27 of the transmission mechanism, and the other end abuts against the end face of the output shaft 29 on the piston 25.
The operation of the ship propulsion simulation device driven by the double-freedom-degree servo motor is divided into two stages: in the first stage, a motor first stator 7 is electrified, a rotor permanent magnet 5 and a motor shaft 1 push a driving wheel 20, a transmission sphere 22 and a driven wheel 23 to do linear motion, and hydraulic oil in a hydraulic oil cavity 24 is compressed to simulate a constant force part in ship propulsion; in the second stage, the motor second stator 14 is electrified, the motor rotor 12, the rotor sleeve 11, the motor shaft 1 and the driving wheel 20 are driven to perform rotary motion, the rotary motion of the driven wheel 23 is limited by the transmission mechanism shell 21, the rotary motion of the driving wheel 20 acts on the driven wheel 23 through the transmission sphere 22, the driven wheel 23 is driven to perform reciprocating linear motion, and the fluctuation of the pressure of hydraulic oil in the hydraulic oil cavity 24 is changed to simulate the pulsating force part in the propelling force of the ship. Since the portion of the transmission housing 21, which cooperates with the driven wheel 23 and the piston 25, has a non-rotationally symmetrical profile, the rotational movement of the driven wheel 23 and the piston 25 is restricted and only a reciprocating linear movement is possible, and therefore, when the rotational movement or linear movement of the driving wheel 20 acts on the driven wheel 23 through the transmission ball 22, the driven wheel 23 is driven to reciprocate, compressing the hydraulic oil in the hydraulic oil chamber 24, and further outputting an exciting force through the piston 25 and the output shaft 29.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A ship propulsion simulation device driven by a double-freedom-degree servo motor is characterized in that: the simulation device comprises a motor shell, a double-degree-of-freedom servo motor, a transmission mechanism shell (21), a transmission mechanism end cover (27), a piston (25), an output shaft (29), a spring (26) and an output shaft end cover (28);
the double-freedom-degree servo motor is a servo motor capable of outputting in two degrees of freedom of rotation and linear motion; the inner surface of the transmission mechanism shell (21) is designed into a non-rotationally symmetrical structure;
the double-degree-of-freedom servo motor is arranged in the motor shell, and a convex cavity is formed in the motor shell; one end of the transmission mechanism shell (21) is arranged at one end of the large-diameter cavity of the motor shell, and the other end of the transmission mechanism shell is arranged on the transmission mechanism end cover (27); the piston (25) is in sliding fit with the inner surface of the transmission mechanism shell (21), the transmission mechanism is positioned in the transmission mechanism shell (21) and is connected with the double-degree-of-freedom servo motor, and the transmission mechanism, the transmission mechanism shell (21) and the piston (25) enclose a closed hydraulic oil cavity (24); the output shaft end cover (28) is arranged on the transmission mechanism end cover (27), the output shaft (29) passes through the transmission mechanism end cover (27) and the output shaft end cover (28) and is supported on the transmission mechanism end cover (27) through a sliding bearing, one end of the output shaft (29) is connected with the piston (25), and the other end of the output shaft is positioned outside the transmission mechanism shell (21); one end of the spring (26) is in contact with the inner surface of the end cover (27) of the transmission mechanism, and the other end of the spring is in contact with the end face of the output shaft (29) positioned on the piston (25);
the transmission mechanism comprises a driving wheel (20), a transmission sphere (22) and a driven wheel (23);
the driven wheel (23) is in sliding fit with the inner surface of the transmission mechanism shell (21), a hydraulic oil cavity (24) is formed by the driven wheel (23), the transmission mechanism shell (21) and the piston (25), one end of the driving wheel (20) is matched with the driven wheel (23) through a transmission sphere (22), and the other end of the driving wheel (20) is connected with a double-degree-of-freedom servo motor;
the double-degree-of-freedom servo motor comprises a motor shaft (1), a motor shaft end cover (2), a first support sleeve (3), a second support sleeve (18), a motor first stator (7), a rotor permanent magnet (5), a motor rotor (12), a rotor sleeve (11) and a motor second stator (14);
center holes are respectively processed on one end of the large-diameter cavity of the motor shell and one end of the small-diameter cavity of the motor shell; rectangular splines are respectively machined on the motor shaft (1) and the rotor sleeve (11);
the first support sleeve (3) is arranged in a central hole at one end of the small-diameter cavity of the motor shell, the motor shaft end cover (2) is connected with one end of the first support sleeve (3) positioned outside the motor shell, and the second support sleeve (18) is arranged in a central hole at one end of the large-diameter cavity of the motor shell; the motor shaft (1) sequentially passes through a motor shaft end cover (2), a first support sleeve (3), a rotor sleeve (11) and a second support sleeve (18) and is respectively supported on the first support sleeve (3) and the second support sleeve (18) through sliding bearings, one end of the motor shaft (1) is positioned outside a motor shell, and the other end of the motor shaft (1) is connected with a transmission mechanism; the rotor permanent magnet (5) and the motor first stator (7) are positioned in the small-diameter cavity of the motor shell, the rotor permanent magnet (5) is connected with the motor shaft (1), the motor first stator (7) is arranged on the inner wall of the small-diameter cavity of the motor shell, and the rotor permanent magnet (5) is in clearance fit with the motor first stator (7); the rotor sleeve (11), the motor rotor (12) and the motor second stator (14) are positioned in a large-diameter cavity of the motor shell, the rotor sleeve (11) is connected with the motor shaft (1) in a key way, the motor rotor (12) is connected with the rotor sleeve (11) and is supported on the other end of the large-diameter cavity of the motor shell through a rolling bearing, and the motor second stator (14) is arranged on the inner wall of the large-diameter cavity of the motor shell;
the operation of the simulation device is divided into two phases: in the first stage, a motor first stator (7) is electrified, a rotor permanent magnet (5) and a motor shaft (1) push a driving wheel (20), a transmission sphere (22) and a driven wheel (23) to do linear motion, and hydraulic oil in a hydraulic oil cavity (24) is compressed to simulate a constant force part in ship propulsion; in the second stage, a motor second stator (14) is electrified, a motor rotor (12), a rotor sleeve (11) drive a motor shaft (1) and a driving wheel (20) to perform rotary motion, the rotary motion of a driven wheel (23) is limited by a transmission mechanism shell (21), the rotary motion of the driving wheel (20) acts on the driven wheel (23) through a transmission ball (22), the driven wheel (23) is driven to perform reciprocating linear motion, and the fluctuation of hydraulic oil pressure in a hydraulic oil cavity (24) is changed to simulate a pulse power part in ship propulsion; because the matching part of the transmission mechanism shell (21) and the driven wheel (23) and the piston (25) is in a non-rotationally symmetrical outline, the rotation movement of the driven wheel (23) and the piston (25) is limited, and only reciprocating linear movement can be performed, so when the rotation movement or the linear movement of the driving wheel (20) acts on the driven wheel (23) through the transmission ball (22), the driven wheel (23) is driven to perform reciprocating linear movement, hydraulic oil in the hydraulic oil cavity (24) is compressed, and exciting force is further output through the piston (25) and the output shaft (29).
2. The dual degree-of-freedom servo motor driven marine propulsion simulator of claim 1, wherein: the end surfaces of the driving wheel (20) and the driven wheel (23) which are contacted with the transmission sphere (22) are respectively provided with a space groove, and the space grooves on the driving wheel (20) and the space grooves on the driven wheel (23) are complementary in the normal direction of the end surfaces.
3. The dual degree-of-freedom servo motor driven marine propulsion simulator of claim 1, wherein: the inner profile of the transmission mechanism shell (21) is rectangular or elliptical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276153.3A CN109282979B (en) | 2018-10-30 | 2018-10-30 | Ship propulsion simulation device driven by double-degree-of-freedom servo motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811276153.3A CN109282979B (en) | 2018-10-30 | 2018-10-30 | Ship propulsion simulation device driven by double-degree-of-freedom servo motor |
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| CN109282979B true CN109282979B (en) | 2023-11-17 |
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