CN112278175A - Underwater movement system with overturn prevention device - Google Patents
Underwater movement system with overturn prevention device Download PDFInfo
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- CN112278175A CN112278175A CN202011176570.8A CN202011176570A CN112278175A CN 112278175 A CN112278175 A CN 112278175A CN 202011176570 A CN202011176570 A CN 202011176570A CN 112278175 A CN112278175 A CN 112278175A
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- shaft section
- guide wheel
- motion platform
- underwater
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/005—Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations
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- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
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Abstract
The invention belongs to the technical field of underwater tests, and particularly relates to an underwater motion system with an overturn preventing device. The invention aims to prevent the swing and the overturn of an underwater motion platform, and provides an underwater motion system with an overturn preventing device, which has the advantages of simple structure, easy manufacture, flexible installation and replacement, simple and convenient operation, light weight, small resistance and good reliability. According to the invention, the upper and lower edges of the guide wheel are provided with wider wheel rims, so that the motion platform can be righted in two directions when being laterally turned, and rolling friction is formed between the wheel hub of the guide wheel and the edge of the track, so that the resistance is small, and no interference is generated on the motion platform. The whole device and part of the easily-damaged parts are simple to process and manufacture, low in price, convenient to install and disassemble, safe and reliable, and the test requirements, economic benefits and environmental benefits are met.
Description
Technical Field
The invention belongs to the technical field of underwater tests, and particularly relates to an underwater motion system with an overturn preventing device.
Background
The underwater motion platform is a device for realizing the simulation of the horizontal motion speed of an underwater vehicle, and the motion in a specific direction and speed under water is realized by the meshing of a gear driven by a motor on the motion platform and a rack fixed on a track. In the actual test process, considering that the density of water is high, the water resistance of the motion platform is high when the motion platform moves in the water, the structure loaded on the motion platform is asymmetric, and the influence of different test sea conditions such as wave and flow is added, the stress on the left side, the right side, the front side and the rear side of the motion platform is very easy to be greatly different in the navigation process, so that accidents such as transverse and longitudinal swinging, even overturning and derailing are caused. In addition, in order to solve the problem of speed matching of a motion system under the condition of meshing of a plurality of sets of gear racks, the motion platform is driven by meshing of the gear racks on one side, the gear is arranged on one side of the motion platform, and the rack is fixed on the single side of the track, so that the motion platform is only stressed on one side during the process of advancing, particularly starting, the difference of stress sizes on the left side and the right side of the motion platform is improved to a certain extent, and the probability of transverse instability and longitudinal instability of the motion platform is increased. In order to avoid the occurrence of the swing, overturning and even derailing accidents of the motion platform caused by the factors, a device is needed to be designed to effectively inhibit the swing and overturning motions of the motion platform in the advancing process and improve the motion stability and reliability of the motion platform.
Disclosure of Invention
The invention aims to provide an underwater motion system with an overturn preventing device, which can prevent the underwater motion platform from swinging and overturning.
The purpose of the invention is realized by the following technical scheme: the underwater anti-tilt system comprises an I-shaped steel pool track, an underwater motion platform and an anti-tilt assembly; the anti-roll component comprises a vertical shaft; the vertical shaft is a stepped shaft and is divided into a middle shaft section, an upper threaded shaft section and a lower threaded shaft section, a first smooth shaft section is arranged between the upper threaded shaft section and the middle shaft section, and a second smooth shaft section is arranged between the lower threaded shaft section and the middle shaft section; the section radius of the first smooth shaft section is smaller than that of the middle shaft section, a first shaft shoulder is formed between the middle shaft section and the first smooth shaft section, the section radius of the second smooth shaft section is smaller than that of the middle shaft section, a second shaft shoulder is formed between the middle shaft section and the second smooth shaft section, and a guide wheel is mounted on the second smooth shaft section; the upper side and the lower side of the guide wheel are both provided with rims, and the guide wheel is arranged on the second smooth shaft section through a through hole in the middle of the hub; a second nut is arranged on the lower threaded shaft section, and a second gasket is arranged between the second nut and the guide wheel; one end of the guide wheel is positioned through the second shaft shoulder, the other end of the guide wheel is positioned through the screwed second nut and the gasket, and the guide wheel can rotate around the vertical shaft; the motion platform is provided with a through hole and is arranged on the first smooth shaft section through the through hole; a first nut is arranged on the upper threaded shaft section, and a first gasket is arranged between the first nut and the moving platform; one side of the motion platform is positioned through a first shaft shoulder, and the other side of the motion platform is fastened through a first screwed nut and a first gasket; the bottom of the underwater motion platform is provided with a roller which is pressed on the I-shaped steel pool track, and the installation position of the anti-tilting component does not interfere with the roller; the hub of the guide wheel in the anti-tilting assembly is arranged along the flange of the I-shaped steel pool track.
The invention has the beneficial effects that:
the invention aims to prevent the swing and the overturn of an underwater motion platform, and provides an underwater motion system with an overturn preventing device, which has the advantages of simple structure, easy manufacture, flexible installation and replacement, simple and convenient operation, light weight, small resistance and good reliability. According to the invention, the upper and lower edges of the guide wheel are provided with wider wheel rims, so that the motion platform can be righted in two directions when being laterally turned, and rolling friction is formed between the wheel hub of the guide wheel and the edge of the track, so that the resistance is small, and no interference is generated on the motion platform. The whole device and part of the easily-damaged parts are simple to process and manufacture, low in price, convenient to install and disassemble, safe and reliable, and the test requirements, economic benefits and environmental benefits are met.
Drawings
FIG. 1 is a front view of the underwater motion platform and anti-roll assembly of the present invention.
Fig. 2 is a schematic sectional structure view of fig. 1.
Fig. 3 is a schematic view of the overall structure of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention belongs to the technical field of underwater tests, and particularly relates to an underwater motion system with an overturn prevention device. The invention aims to prevent the swing and the overturn of an underwater motion platform, and provides an underwater motion system with an overturn preventing device, which has the advantages of simple structure, easy manufacture, flexible installation and replacement, simple and convenient operation, light weight, small resistance and good reliability.
An underwater motion system with an overturn-preventing device comprises an I-steel water pool track 7, an underwater motion platform 2 and an overturn-preventing assembly 1;
the anti-tilting component comprises a vertical shaft 5; the vertical shaft is a stepped shaft and is divided into a middle shaft section, an upper threaded shaft section and a lower threaded shaft section, a first smooth shaft section is arranged between the upper threaded shaft section and the middle shaft section, and a second smooth shaft section is arranged between the lower threaded shaft section and the middle shaft section; the section radius of the first smooth shaft section is smaller than that of the middle shaft section, a first shaft shoulder is formed between the middle shaft section and the first smooth shaft section, the section radius of the second smooth shaft section is smaller than that of the middle shaft section, a second shaft shoulder is formed between the middle shaft section and the second smooth shaft section, and a guide wheel 6 is mounted on the second smooth shaft section; the upper side and the lower side of the guide wheel are both provided with rims, and the guide wheel is arranged on the second smooth shaft section through a through hole in the middle of the hub; a second nut is arranged on the lower threaded shaft section, and a second gasket is arranged between the second nut and the guide wheel; one end of the guide wheel is positioned through the second shaft shoulder, the other end of the guide wheel is positioned through the screwed second nut and the gasket, and the guide wheel can rotate around the vertical shaft; the motion platform is provided with a through hole and is arranged on the first smooth shaft section through the through hole; a first nut is arranged on the upper threaded shaft section, and a first gasket is arranged between the first nut and the moving platform; one side of the motion platform is positioned through a first shaft shoulder, and the other side of the motion platform is fastened through a first screwed nut and a first gasket; the bottom of the underwater motion platform is provided with a roller which is pressed on the I-shaped steel pool track, and the installation position of the anti-tilting component does not interfere with the roller; the hub of the guide wheel in the anti-tilting component is arranged along the flange of the I-shaped steel pool track
The invention has the beneficial effects that:
according to the invention, the upper and lower edges of the guide wheel are provided with wider wheel rims, so that the motion platform can be righted in two directions when being laterally turned, and rolling friction is formed between the wheel hub of the guide wheel and the edge of the track, so that the resistance is small, and no interference is generated on the motion platform. In the invention, the vertical shaft and the guide wheel are both made of 45 steel materials with better comprehensive mechanical property and processing property and wide application. The whole device and part of the easily-damaged parts are simple to process and manufacture, low in price, convenient to install and disassemble, safe and reliable, and the test requirements, economic benefits and environmental benefits are met.
Example 1:
as shown in fig. 1 to 2, an underwater motion system with an anti-overturning device includes an anti-overturning assembly 1. The anti-tilting component 1 comprises an outer hexagonal nut 3, a gasket 4, a vertical shaft 5 and a guide wheel 6, wherein the vertical shaft 5 is a stepped shaft and is divided into a middle shaft section, two small-diameter threaded shaft sections at two ends and two smooth shaft sections with different lengths connected between the threaded shaft sections at two ends and the middle shaft section, the vertical shaft 5 is made of high-quality carbon structural steel-45 # steel material with high comprehensive mechanical property and wide application, the guide wheel 6 is installed at one end of the vertical shaft 5, the guide wheel 6 is made of carbon structural steel 45# steel, the guide wheel 6 is positioned by depending on a shaft shoulder at one end of the vertical shaft 5, the upper side and the lower side of the guide wheel 6 are respectively provided with a wide flange, the guide wheel 6 is in clearance fit connection with the longer smooth shaft section between the threaded shaft section at one end of the vertical shaft 5 and the middle shaft section through a through hole in the middle of a wheel hub, and the guide wheel 6 can rotate around the vertical shaft, a gasket 4 is arranged below the guide wheel 6, the gasket 4 is made of 45# steel, the number of the gaskets 4 is two, an outer hexagonal nut 3 is arranged below one of the gaskets 4, the number of the outer hexagonal nuts 3 is two, the guide wheel 6 is fastened by screwing one of the outer hexagon nuts 3 on the threaded shaft section at one end of the vertical shaft, a shorter smooth shaft section between the threaded shaft section at the other end of the vertical shaft 5 and the middle shaft section is in clearance fit connection with the through hole on the motion platform 2, the moving platform 2 is positioned by depending on the shaft shoulder at the other end of the vertical shaft 5, another gasket 4 is arranged above the moving platform 2, another outer hexagonal nut 3 is installed above the other gasket 4, and the moving platform 2 is fastened by the other outer hexagonal nut 3 screwed on the threaded shaft section at the other end of the vertical shaft 5.
The vertical shaft 5 and the guide wheel 6 are made of high-quality carbon structural steel-45 steel, and the guide wheel 6 can rotate around the vertical shaft 5.
When the anti-tilting device is used, firstly, the anti-tilting component 1 is fixedly connected with the underwater moving platform 2 through the gasket 4 and the outer hexagonal nut 3 before a test, and then the trolley 2 is placed on a track in a water pool.
During testing, the rollers at the bottom of the underwater motion platform 2 move on the I-shaped steel pool track in a pressing mode, the installation position of the anti-tilting component 1 does not interfere with the rollers at the bottom of the underwater motion platform 2, the wheel hub of the guide wheel 6 in the anti-tilting component 1 moves along the flange of the I-shaped steel track 7, meanwhile, the guide wheel 6 rotates around the vertical shaft 5, when the underwater motion platform 2 is subjected to tilting force to swing left and right, the upper wide flange and the lower wide flange of the guide wheel 6 limit the tilting of the underwater motion platform 2, and therefore the underwater motion platform 2 is righted in left and right tilting directions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides an underwater motion system with prevent device that topples which characterized in that: the underwater anti-tilt system comprises an I-shaped steel pool track, an underwater motion platform and an anti-tilt assembly; the anti-roll component comprises a vertical shaft; the vertical shaft is a stepped shaft and is divided into a middle shaft section, an upper threaded shaft section and a lower threaded shaft section, a first smooth shaft section is arranged between the upper threaded shaft section and the middle shaft section, and a second smooth shaft section is arranged between the lower threaded shaft section and the middle shaft section; the section radius of the first smooth shaft section is smaller than that of the middle shaft section, a first shaft shoulder is formed between the middle shaft section and the first smooth shaft section, the section radius of the second smooth shaft section is smaller than that of the middle shaft section, a second shaft shoulder is formed between the middle shaft section and the second smooth shaft section, and a guide wheel is mounted on the second smooth shaft section; the upper side and the lower side of the guide wheel are both provided with rims, and the guide wheel is arranged on the second smooth shaft section through a through hole in the middle of the hub; a second nut is arranged on the lower threaded shaft section, and a second gasket is arranged between the second nut and the guide wheel; one end of the guide wheel is positioned through the second shaft shoulder, the other end of the guide wheel is positioned through the screwed second nut and the gasket, and the guide wheel can rotate around the vertical shaft; the motion platform is provided with a through hole and is arranged on the first smooth shaft section through the through hole; a first nut is arranged on the upper threaded shaft section, and a first gasket is arranged between the first nut and the moving platform; one side of the motion platform is positioned through a first shaft shoulder, and the other side of the motion platform is fastened through a first screwed nut and a first gasket; the bottom of the underwater motion platform is provided with a roller which is pressed on the I-shaped steel pool track, and the installation position of the anti-tilting component does not interfere with the roller; the hub of the guide wheel in the anti-tilting assembly is arranged along the flange of the I-shaped steel pool track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011176570.8A CN112278175B (en) | 2020-10-29 | 2020-10-29 | Underwater movement system with overturn prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011176570.8A CN112278175B (en) | 2020-10-29 | 2020-10-29 | Underwater movement system with overturn prevention device |
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| Publication Number | Publication Date |
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| CN112278175A true CN112278175A (en) | 2021-01-29 |
| CN112278175B CN112278175B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011176570.8A Active CN112278175B (en) | 2020-10-29 | 2020-10-29 | Underwater movement system with overturn prevention device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050014369A (en) * | 2003-07-31 | 2005-02-07 | 한국해양연구원 | A control performance deduction model examination device of the vessel |
| CN102636331A (en) * | 2012-05-04 | 2012-08-15 | 哈尔滨工程大学 | Motion and resistance testing device for ship and marine structures |
| KR101205296B1 (en) * | 2012-06-19 | 2012-11-27 | 이상림 | A performance testing machine and test method of anti-rolling tank for ship |
| CN105040643A (en) * | 2015-08-26 | 2015-11-11 | 中国水利水电第七工程局有限公司 | On-water sand-gravel material throw-filling dividing device |
| CN106813894A (en) * | 2015-11-30 | 2017-06-09 | 中国科学院沈阳自动化研究所 | A kind of buffer-type Submarine Test Unit |
| KR101821064B1 (en) * | 2016-12-09 | 2018-01-22 | 한국해양과학기술원 | Apparatus and method for controlling a target position of free running model ship with large roll motions |
| CN108593256A (en) * | 2018-06-04 | 2018-09-28 | 上海交通大学 | A kind of heaving excitation testing equipment for studying wave aerodone movenent performance |
-
2020
- 2020-10-29 CN CN202011176570.8A patent/CN112278175B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050014369A (en) * | 2003-07-31 | 2005-02-07 | 한국해양연구원 | A control performance deduction model examination device of the vessel |
| CN102636331A (en) * | 2012-05-04 | 2012-08-15 | 哈尔滨工程大学 | Motion and resistance testing device for ship and marine structures |
| KR101205296B1 (en) * | 2012-06-19 | 2012-11-27 | 이상림 | A performance testing machine and test method of anti-rolling tank for ship |
| CN105040643A (en) * | 2015-08-26 | 2015-11-11 | 中国水利水电第七工程局有限公司 | On-water sand-gravel material throw-filling dividing device |
| CN106813894A (en) * | 2015-11-30 | 2017-06-09 | 中国科学院沈阳自动化研究所 | A kind of buffer-type Submarine Test Unit |
| KR101821064B1 (en) * | 2016-12-09 | 2018-01-22 | 한국해양과학기술원 | Apparatus and method for controlling a target position of free running model ship with large roll motions |
| CN108593256A (en) * | 2018-06-04 | 2018-09-28 | 上海交通大学 | A kind of heaving excitation testing equipment for studying wave aerodone movenent performance |
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| CN112278175B (en) | 2021-09-10 |
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