CN110118626A - Bottom-sitting type turns round hydrodynamic measurement system and its measurement method - Google Patents
Bottom-sitting type turns round hydrodynamic measurement system and its measurement method Download PDFInfo
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- CN110118626A CN110118626A CN201910399697.7A CN201910399697A CN110118626A CN 110118626 A CN110118626 A CN 110118626A CN 201910399697 A CN201910399697 A CN 201910399697A CN 110118626 A CN110118626 A CN 110118626A
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- frame
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
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- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses bottom-sitting type revolution hydrodynamic measurement system and its measurement methods, including frame, measurement component and underwater immersed body model are equipped in the frame, servo motor is fixed at the top of the frame, the output end of the servo motor is connected with speed reducer, the output end of the speed reducer is connect with the top of the upper coupling, the bottom end of the upper coupling is connect with the main shaft top of the torque sensor, the main shaft bottom end of the torque sensor is connect with the top of the lower coupler, the bottom end of the lower coupler is fixedly connected with the top of the connecting rod, the bottom end of the connecting rod is fixed with connecting flange, the top of the connecting flange and underwater immersed body model is bolted to connection.The present invention integrally uses frame structure, easy for assemble or unload, and occupied area is small, saves pond space, and the difference that the data after measuring twice are carried out when measurement is just measured hydrodynamic moment, reduces test error.
Description
Technical field
The present invention relates to a kind of measuring device and measuring method of underwater immersed body hydrodynamic moment test, specifically a kind of
Bottom-sitting type turns round hydrodynamic measurement system and its measurement method.
Background technique
Currently, needing Underwater Engineering events in operation to increase as marine economy continues to develop, operating water depth is continuously increased,
The underwater immersed bodies such as underwater robot (ROV), autonomous robot (AUV) can replace the mankind to complete observation and engineering because of it at deep-sea
Task and continue to develop, the research of underwater immersed body is also constantly being carried out, underwater immersed body hydrodynamic moment characteristic is wherein important
A part.
Underwater immersed body hydrodynamic moment characteristic is the important component of underwater immersed body hydrodynamic characterisitic.In order to during the design
Underwater immersed body revolution hydrodynamic moment coefficient is obtained, the hydrodynamic moment of traditional measurement underwater immersed body needs special operational pond,
Its high construction cost, non-dismountable, the operational pond of special designing can only carry out underwater immersed body turning test.For some skies
Between nervous multifunction test pond, need it is a kind of be easily installed, can dismantle, the underwater immersed body hydrodynamic(al) small for site requirements
Torque test system.
Summary of the invention
According to technical problem set forth above, and one kind is provided and is suitable for measurement underwater immersed body hydrodynamic moment, to test site
Ground requires small, dismountable revolution hydrodynamic measurement system and its measurement method.
The technological means that the present invention uses is as follows:
Bottom-sitting type turns round hydrodynamic measurement system, including frame, is equipped with measurement component and underwater immersed body mould in the frame
Type, it is described measurement component bottom and the underwater immersed body model at the top of be fixedly connected；
The measurement component includes torque sensor, upper coupling, lower coupler and the connecting rod of coaxial arrangement；
Servo motor is fixed at the top of the frame, the output end of the servo motor is connected with speed reducer, described to watch
The axis for taking the axis of the output end of motor and the output end of the speed reducer is overlapped with the axis of the torque sensor, institute
The output end for stating speed reducer is connect with the top of the upper coupling, the bottom end of the upper coupling and the torque sensor
The connection of main shaft top, the main shaft bottom end of the torque sensor are connect with the top of the lower coupler, the lower coupler
Bottom end is fixedly connected with the top of the connecting rod, and the bottom end of the connecting rod is fixed with connecting flange, the connecting flange with
The top of underwater immersed body model is bolted to connection.It is bolted the replacement for facilitating connecting rod, is connected using different length
Bar is adapted to the pond of different water depth.
The frame is in cuboid framework, and the frame includes the top frame that rectangular shape is surrounded by four first square tubes
Frame；The under(-)chassis of rectangular shape is surrounded by four second square tubes, connects four of the top frame and the under(-)chassis
The third party tube being vertically arranged；
It is welded with top connecting plate at four angles of the top frame, is welded at four angles of the under(-)chassis
There is bottom connecting plate, the top of the third party tube is fixedly connected by bolt with the top connecting plate, the third party tube
Bottom end be fixedly connected by bolt with the bottom connecting plate；
The external wall of upper portion of the middle part outer wall of the first square tube, the middle part outer wall of the second square tube and the third party tube
It is mounted on middle part connecting plate；Four middle part connecting plates on the same side wall of frame are successively connected by four the 4th square tubes
It connects, and four the 4th square tubes surround quadrangle, plane where the center to the top frame of the underwater immersed body model
Distance be equal to the middle part connecting plate in the third party tube to the top frame is set where plane distance, with reduce
Influence of the frame to underwater immersed body model when rotary motion.
The bottom of the third party tube is fixed with force dispersion plate.
It is welded with lever bracket on the middle part inner wall of the first square tube, the top frame is equipped with the of right-angled intersection setting
Five square tubes, and the 5th square tube is connect by the lever bracket with top frame；Top is welded at the center of 5th square tube
Portion's support plate；It is equipped with bottom support plate below the top support plate, and the bottom support plate is vertically arranged by four
6th square tube is fixedly connected with the bottom of the top support plate；
The speed reducer is fixedly connected with the top support plate, and the top of the upper coupling passes through the top braces
Plate is connect with the output end of the speed reducer, and the top of the connecting rod passes through the bottom support plate and the lower part shaft coupling
Connection；
Connection frame is fixed in 6th square tube, the connection frame is fixedly connected with the torque sensor.
The upper socket of the connecting rod has spring bearing, and the outer ring lower surface and the bottom of the spring bearing support
Plate is bolted to connection, and the inner ring upper surface of the spring bearing passes through with the mounting flange being welded in the connecting rod
Bolt is fixedly connected.Can make the top shaft coupling, the torque sensor, the lower part shaft coupling, the connecting rod weight
Amount is supported by spring bearing, and torque sensor is not subject to axial force.
Bottom-sitting type turns round hydrodynamic measurement method, comprising the following steps:
S1, bottom-sitting type revolution hydrodynamic measurement system is hung into pond center, and the underwater immersed body model is immersed in
In water, and the servo motor is not contacted with the retarder with the water in the pond；In order to which electrical equipment does not connect with water
Touching；
The angular speed or angular acceleration that S2, the setting servo motor rotate, and the servo motor is opened, the torque
Sensor measures one group of moment values；
S3, the servo motor is closed, bottom-sitting type revolution hydrodynamic measurement system is hung out into the water surface, dismantles the water
Dive body Model, and bottom-sitting type revolution hydrodynamic measurement system is hung in into pond center again；
S4, the servo motor is opened the case where not changing the servo motor parameter, pass through the torque sensor
Measure one group of new moment values；
S5, the moment values and the new moment values numerical value subtract each other, obtain the underwater immersed body model in angle speed
Suffered hydrodynamic moment under degree or the angular acceleration.
The invention has the following advantages that
Bottom-sitting type revolution hydrodynamic measurement system of the invention and its measurement method, whole to use frame structure, installation is torn open
It unloads conveniently, occupied area is small, saves pond space.
Bottom-sitting type revolution hydrodynamic measurement system of the invention and its measurement method carry out the difference of the data after measuring twice
Value is just measured hydrodynamic moment, reduces test error.
Bottom-sitting type revolution hydrodynamic measurement system of the invention and its measurement method, reasonable in design, principle is simple, behaviour
Make quick clear, suitable underwater immersed body hydrodynamic moment measurement.
The present invention can be widely popularized in the fields such as submerged body hydrodynamic moment test under water based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that bottom-sitting type turns round hydrodynamic measurement system structure diagram in Example 1 and Example 2 of the present invention.
Fig. 2 is Fig. 1 main view.
Fig. 3 is the portion A enlarged drawing in Fig. 1.
In figure: 1, frame；11, top frame；111, first square tube；112, top connecting plate；113, lever bracket；12, bottom
Frame；121, second square tube；122, bottom connecting plate；13, third party tube；131, middle part connecting plate；132, force dispersion plate；
14, the 4th square tube；15, the 5th square tube；16, top support plate；17, bottom support plate；18, the 6th square tube；2, component is measured；
21, torque sensor；22, upper coupling；23, lower coupler；24, connecting rod；241, connecting flange；242, spring bearing；
243, mounting flange；3, underwater immersed body model；4, servo motor；5, speed reducer.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1-Figure 3, bottom-sitting type turns round hydrodynamic measurement system, including frame 1, is equipped with measurement in the frame 1
The bottom of component 2 and underwater immersed body model 3, the measurement component 2 is fixedly connected with the top of the underwater immersed body model 3；
The measurement component 2 includes torque sensor 21, upper coupling 22, lower coupler 23 and the connecting rod of coaxial arrangement
24；
The top of the frame 1 is fixed with servo motor 4, and the output end of the servo motor 4 is connected with speed reducer 5, institute
State axis of the axis of the axis of the output end of servo motor 5 and the output end of the speed reducer 5 with the torque sensor 21
Line is overlapped, and the output end of the speed reducer 5 is connect with the top of the upper coupling 22, the bottom end of the upper coupling 22 and institute
State the main shaft top connection of torque sensor 21, the top of the main shaft bottom end of the torque sensor 21 and the lower coupler 23
Connection, the bottom end of the lower coupler 23 are fixedly connected with the top of the connecting rod 24, and the bottom end of the connecting rod 24 is fixed
There is connecting flange 241, the top of the connecting flange 241 and underwater immersed body model 3 is bolted to connection.The side of being bolted
Just the replacement of connecting rod 24 is adapted to the pond of different water depth using different length connecting rod 24.
The frame 1 is in cuboid framework, and the frame 1 includes the top that rectangular shape is surrounded by four first square tubes 111
Portion's frame 11；The under(-)chassis 12 of rectangular shape is surrounded by four second square tubes 121, connects the top frame 11 and the bottom
The third party tube 13 that four of portion's frame 12 are vertically arranged；
Top connecting plate 112, four angles of the under(-)chassis 12 are welded at four angles of the top frame 11
Place is welded with bottom connecting plate 122, and the top of the third party tube 13 connects by the way that bolt and the top connecting plate 112 are fixed
It connects, the bottom end of the third party tube 13 is fixedly connected by bolt with the bottom connecting plate 122；
The middle part outer wall of the first square tube 111, the middle part outer wall of the second square tube 121 and the third party tube 13
External wall of upper portion is mounted on middle part connecting plate 131；Four middle part connecting plates 131 on the same side wall of the frame 1 pass through four
4th square tube 14 is sequentially connected, and four the 4th square tubes 14 surround quadrangle, center to the institute of the underwater immersed body model 3
The distance of 11 place plane of top frame is stated equal to the middle part connecting plate 131 being arranged in the third party tube 13 to the top
The distance of 11 place plane of frame, influence of the frame 1 to underwater immersed body model when reducing rotary motion.
The bottom of the third party tube 13 is fixed with force dispersion plate 132.
Lever bracket 113 is welded on the middle part inner wall of the first square tube 111, the top frame 11 is equipped with right-angled intersection
The 5th square tube 15 being arranged, and the 5th square tube 15 is connect by the lever bracket 113 with top frame 11；5th square tube
Top support plate 16 is welded at 15 center；Bottom support plate 17, and the bottom are equipped with below the top support plate 16
Support plate 17 is fixedly connected by four the 6th square tubes 18 being vertically arranged with the bottom of the top support plate 16；
The speed reducer 5 is fixedly connected with the top support plate 15, and the top of the upper coupling 22 passes through the top
Portion's support plate 15 is connect with the output end of the speed reducer 5, the top of the connecting rod 24 pass through the bottom support plate 16 with
The lower part shaft coupling 23 connects；
Connection frame 181, the connection frame 181 and the fixed company of the torque sensor 21 are fixed in 6th square tube 18
It connects.
The upper socket of the connecting rod 24 has a spring bearing 242, the outer ring lower surface of the spring bearing 242 with it is described
Bottom support plate 16 is bolted to connection, and the inner ring upper surface of the spring bearing 242 and is welded on the connecting rod 24
On mounting flange 243 be bolted to connection.Can make the top shaft coupling 22, the torque sensor 21, it is described under
Portion's shaft coupling 23, the connecting rod 24 weight supported by spring bearing 242, torque sensor 21 is not subject to axial force.
Embodiment 2
As shown in Figure 1-3, bottom-sitting type turns round hydrodynamic measurement method, comprising the following steps:
S1, bottom-sitting type revolution hydrodynamic measurement system is hung into pond center, and the underwater immersed body model 3 is immersed in
In water, and the servo motor 4 is not contacted with the retarder 5 with the water in the pond；In order to electrical equipment not with water
Contact；
The angular speed or angular acceleration that S2, the setting servo motor 4 rotate, and open the servo motor 4, the power
Square sensor 21 measures one group of moment values；
S3, the servo motor 4 is closed, bottom-sitting type revolution hydrodynamic measurement system is hung out into the water surface, described in disassembly
Underwater immersed body model 3, and bottom-sitting type revolution hydrodynamic measurement system is hung in into pond center again；
S4, the servo motor 4 is opened the case where not changing 4 parameter of servo motor, pass through the moment sensing
Device 21 measures one group of new moment values；
S5, the moment values and the new moment values numerical value subtract each other, obtain the underwater immersed body model 3 in angle speed
Suffered hydrodynamic moment under degree or the angular acceleration.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. bottom-sitting type turns round hydrodynamic measurement system, which is characterized in that including frame, measurement component and water are equipped in the frame
Dive body Model, it is described measurement component bottom and the underwater immersed body model at the top of be fixedly connected；
The measurement component includes torque sensor, upper coupling, lower coupler and the connecting rod of coaxial arrangement；
Servo motor is fixed at the top of the frame, the output end of the servo motor is connected with speed reducer, the servo electricity
The axis of the output end of the axis of the output end of machine and the speed reducer is overlapped with the axis of the torque sensor, described to subtract
The output end of fast machine is connect with the top of the upper coupling, the main shaft of the bottom end of the upper coupling and the torque sensor
Top connection, the main shaft bottom end of the torque sensor are connect with the top of the lower coupler, the bottom end of the lower coupler
It is fixedly connected with the top of the connecting rod, the bottom end of the connecting rod is fixed with connecting flange, the connecting flange and underwater
The top of submerged body model is bolted to connection.
2. bottom-sitting type according to claim 1 turns round hydrodynamic measurement system, it is characterised in that: the frame is in cuboid
Frame, the frame include the top frame that rectangular shape is surrounded by four first square tubes；Rectangle is surrounded by four second square tubes
The under(-)chassis of shape, four third party tubes being vertically arranged for connecting the top frame and the under(-)chassis；
It is welded with top connecting plate at four angles of the top frame, is welded with bottom at four angles of the under(-)chassis
The top of portion's connecting plate, the third party tube is fixedly connected by bolt with the top connecting plate, the bottom of the third party tube
End is fixedly connected by bolt with the bottom connecting plate；
The external wall of upper portion of the middle part outer wall of the first square tube, the middle part outer wall of the second square tube and the third party tube is pacified
Equipped with middle part connecting plate；Four middle part connecting plates on the same side wall of frame are sequentially connected by four the 4th square tubes, and
Four the 4th square tubes surround quadrangle, the distance of plane where the center to the top frame of the underwater immersed body model
Equal to the distance of plane where the middle part connecting plate being arranged in the third party tube to the top frame；
The bottom of the third party tube is fixed with force dispersion plate.
3. bottom-sitting type according to claim 2 turns round hydrodynamic measurement system, it is characterised in that: in the first square tube
Lever bracket is welded on portion's inner wall, the top frame is equipped with the 5th square tube of right-angled intersection setting, and the 5th square tube is logical
The lever bracket is crossed to connect with top frame；Top support plate is welded at the center of 5th square tube；The top support plate
Lower section is equipped with bottom support plate, and the bottom support plate passes through four the 6th square tubes being vertically arranged and the top support plate
Bottom be fixedly connected；
The speed reducer is fixedly connected with the top support plate, the top of the upper coupling pass through the top support plate with
The output end of the speed reducer connects, and the top of the connecting rod passes through the bottom support plate and the lower part shaft coupling connects
It connects；
Connection frame is fixed in 6th square tube, the connection frame is fixedly connected with the torque sensor.
4. bottom-sitting type according to claim 3 turns round hydrodynamic measurement system, it is characterised in that: the top of the connecting rod
It is socketed with spring bearing, the outer ring lower surface of the spring bearing is fixedly connected with the bottom support plate, the spring bearing
Inner ring upper surface be fixedly connected with the mounting flange being fixed in the connecting rod.
5. bottom-sitting type turns round hydrodynamic measurement method, which comprises the following steps:
S1, the revolution of bottom-sitting type described in claim 1-4 any claim hydrodynamic measurement system is hung into pond center,
And the underwater immersed body model is submerged in water, and the servo motor does not connect with the retarder with the water in the pond
Touching；
The angular speed or angular acceleration that S2, the setting servo motor rotate, and the servo motor is opened, the moment sensing
Device measures one group of moment values；
S3, the servo motor is closed, bottom-sitting type revolution hydrodynamic measurement system is hung out into the water surface, dismantled described underwater latent
Body Model, and bottom-sitting type revolution hydrodynamic measurement system is hung in into pond center again；
S4, the servo motor is opened the case where not changing the servo motor parameter, measured by the torque sensor
One group of new moment values；
S5, the moment values and the new moment values numerical value subtract each other, obtain the underwater immersed body model in the angular speed or
Suffered hydrodynamic moment under the angular acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399697.7A CN110118626A (en) | 2019-05-14 | 2019-05-14 | Bottom-sitting type turns round hydrodynamic measurement system and its measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399697.7A CN110118626A (en) | 2019-05-14 | 2019-05-14 | Bottom-sitting type turns round hydrodynamic measurement system and its measurement method |
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| Publication Number | Publication Date |
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| CN110118626A true CN110118626A (en) | 2019-08-13 |
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ID=67522404
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910399697.7A Pending CN110118626A (en) | 2019-05-14 | 2019-05-14 | Bottom-sitting type turns round hydrodynamic measurement system and its measurement method |
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Application publication date: 20190813 |
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