CN110733623B - Telescopic sail applied to unmanned sea boat - Google Patents
Telescopic sail applied to unmanned sea boat Download PDFInfo
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- CN110733623B CN110733623B CN201911069097.0A CN201911069097A CN110733623B CN 110733623 B CN110733623 B CN 110733623B CN 201911069097 A CN201911069097 A CN 201911069097A CN 110733623 B CN110733623 B CN 110733623B
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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
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
- B63B15/0083—Masts for sailing ships or boats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H9/00—Marine propulsion provided directly by wind power
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/08—Connections of sails to masts, spars, or the like
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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
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
- B63B2015/0016—Masts characterized by mast configuration or construction
- B63B2015/0041—Telescoping masts
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Abstract
The invention discloses a telescopic sail applied to an offshore unmanned boat, which comprises a telescopic sail component, a mast component, a direction adjusting mechanism and a height adjusting mechanism, wherein the mast component is used for driving the telescopic sail component to extend or retract, the direction adjusting mechanism is used for driving the mast component to rotate, the height adjusting mechanism is used for driving the mast component to move along the vertical direction, and the height adjusting mechanism and the direction adjusting mechanism are both arranged in a space formed by a deck and a bottom plate of a boat. The telescopic sail applied to the offshore unmanned ship has the advantages of simple structure, good maneuverability, high reliability, improvement of the adaptability and maneuverability of the unmanned ship on the sea, and improvement of the endurance of the unmanned ship.
Description
Technical Field
The invention relates to the technical field of unmanned boat navigation, in particular to a telescopic sail applied to an offshore unmanned boat.
Background
Unmanned surface vehicle has developed to the present from the fifties of the last century, has more than 70 years of history, and has derived practical technologies in all civil directions such as hydrological monitoring, safety protection, rescue putting and the like, and becomes irreplaceable water equipment.
Unmanned ship has small, the abundant characteristics of boat type, and this also lets unmanned ship have more flexibility and adaptability. Because need not consider the human factor, consequently unmanned ship can have more spaces to load electronic device, simultaneously because unmanned ship small characteristics, the various propulsion modes of modern unmanned ship development, except that traditional screw impels, the propulsion efficiency and the propulsion power that unmanned ship have also been promoted greatly to multiple propulsion modes such as water spray propulsion, sail propulsion. The wind speed and wind direction on the sea are changed, so that the height and area of the sail on the ship can be adjusted, and the maximum sailing thrust and the optimal ship stability are achieved.
Disclosure of Invention
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a telescopic sail who applies to unmanned ship on sea, simple structure, maneuverability is good, and the reliability is high, improves unmanned ship adaptability and mobility on sea, improves unmanned ship's duration.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an apply to retractable sail of unmanned ship on sea, includes scalable sail subassembly and is used for driving the mast subassembly that scalable sail subassembly realized stretching out or shrink action still includes and is used for driving mast subassembly pivoted direction guiding mechanism and drives the mast subassembly and carry out the height adjustment mechanism that moves along vertical direction, height adjustment mechanism and direction guiding mechanism all install in the space that the deck of ship and bottom plate formed.
In the technical scheme, the height of the telescopic sail is adjusted by the height adjusting mechanism, the angle of the sail is adjusted by the direction adjusting mechanism, and the wind power received by the unmanned ship is controlled by changing the area of the sail and the windward angle, so that the sailing thrust of the unmanned ship is adjusted.
Further, the height adjusting mechanism comprises a lead screw, a mast supporting seat, a ball nut, a guide shaft and a first power input mechanism; a screw rod fixing mounting hole and a guide shaft positioning blind hole are formed in a bottom plate of the ship, and a guide shaft mounting hole, a screw rod supporting side mounting hole and a deck mast hole are formed in a deck of the ship; the lower end and the upper end of the screw are respectively installed in the screw fixing installation hole and the screw supporting side installation hole through a fixing side assembly and a supporting side assembly, the lower end of the screw extends to the lower part of the bottom plate, and the ball nut is screwed and matched on the screw; the lower end of the guide shaft is fixedly arranged in the guide shaft positioning blind hole, and the upper end of the guide shaft is fixedly arranged in the guide shaft mounting hole; the mast supporting seat is fixedly connected with the ball nut; the mast supporting seat is vertically penetrated with a positioning hole which is in sliding fit with the guide rod, the guide rod is in vertical sliding fit in the positioning hole, and the first power input mechanism is in transmission connection with the lower end of the lead screw; the mast assembly comprises a mast, the mast is vertically matched in a mast hole of a deck in a sliding manner, a mast hole is formed in the mast supporting seat, a mast flange is fixedly installed in the mast hole, a rolling bearing is fixedly installed in the mast flange, the inner ring of the rolling bearing is fixedly connected with the lower end of the mast, and the lower end of the mast penetrates through the mast supporting seat and is downwards connected with a direction adjusting mechanism; the telescopic sail assembly is located above the deck, the upper end of the telescopic sail assembly is fixedly connected with the upper end of the mast, a sail sealing plate is fixed to the lower end of the telescopic sail assembly, and a sealing structure is arranged between the sail sealing plate and the mast hole of the deck.
Therefore, when the first power input mechanism acts, the lead screw is driven to rotate, due to the guiding and limiting effect of the guide shaft, the ball nut can only move along the length direction of the lead screw, the mast supporting seat is further driven to move along the length direction of the lead screw, the mast is driven to move along the vertical direction through the mast supporting seat, and the extension or the contraction of the telescopic sail component can be adjusted through the movement of the mast.
Further, first power input mechanism includes a driving motor, a driving motor fixed mounting be in on the bottom plate, a driving spur gear is vertically upwards set up and fixed mounting to a driving motor's output shaft, the lead screw lower extreme is located bottom plate below fixed mounting and has a driven spur gear, a driving spur gear and a driven spur gear meshing transmission.
Therefore, the first driving motor drives the first driving straight gear to rotate, the first driving straight gear drives the first driven straight gear to rotate, and the lead screw is further driven to rotate.
Furthermore, the fixed side assembly comprises a fixed side flange and a ball bearing fixed in the fixed side flange, the lower end of the lead screw is fixedly connected with an inner ring of the ball bearing, the fixed side flange is fixedly connected with the bottom plate through a bolt, and a sealing element is arranged between the fixed side flange and the bottom plate. The installation and the connection are convenient.
Furthermore, the supporting side assembly comprises a supporting side flange and a rotating bearing fixed in the supporting side flange, the upper end of the lead screw is fixedly connected with the inner ring of the rotating bearing, the supporting side flange is fixedly connected with the deck through a bolt, and a sealing element is arranged between the supporting side flange and the deck, so that the installation and connection are facilitated.
Furthermore, a guide shaft sealing cover is arranged between the guide shaft mounting hole and the deck, and a sealing element is arranged between the guide shaft sealing cover and the deck. The installation is convenient to connect, and waterproof sealing can be better carried out.
Further, direction guiding mechanism includes fixed mounting and is in the second driving motor of mast bearing below, vertical upwards setting of output shaft of second driving motor and fixed mounting have the second initiative spur gear, the lower extreme fixed mounting of mast has the driven spur gear of second, second initiative spur gear and the meshing transmission of driven gear of second.
Therefore, the second driving motor acts to drive the second driving straight gear to rotate, the second driving straight gear drives the second driven straight gear to rotate, and the second driven straight gear drives the mast to rotate, so that the direction of the telescopic sail assembly is adjusted.
Furthermore, a shaft collar extends downwards from the lower end of the sail sealing plate, the mast is in clearance fit with the shaft collar, the sealing structure comprises a sealing rubber ring arranged between the deck mast hole and the shaft collar, a deep groove ball bearing is fixedly installed in the deck mast hole, an inner ring of the deep groove ball bearing is fixedly connected with the shaft collar, a bearing sealing cover is further fixedly installed at the lower end of the deck, and a through hole allowing the mast to penetrate through is vertically arranged on the bearing sealing cover in a penetrating mode. Can realize better sealing and achieve the waterproof effect.
Furthermore, the telescopic sail assembly comprises three layers of sails, namely an upper sail, a middle sail and a lower sail, the upper sail is sleeved outside the middle sail, the middle sail is sleeved outside the lower sail, an upper sail cover is integrally formed at the upper end of the upper sail, a middle sail cover is integrally formed at the upper end of the middle sail, a lower sail cover is integrally formed at the upper end of the lower sail, and a sail sealing plate is fixedly mounted at the lower end of the lower sail; the mast is provided with an upper section, a middle section and a lower section corresponding to the upper sail, the middle sail and the lower sail respectively, the diameters of the upper section, the middle section and the lower section are sequentially increased, an upper hole matched with the upper end of the mast is formed in the upper sail cover, a middle hole in sliding fit with the upper section is formed in the middle sail cover, a lower hole in sliding fit with the middle section is formed in the lower sail cover, the lower section of the mast is in clearance fit with the shaft collar, the mast penetrates through the lower hole and the middle hole and then penetrates out of the upper hole to be in threaded connection with the sail cover, a sealing ring is arranged in the sail cover, and the sail cover is arranged above the upper sail cover.
Therefore, an upper limit groove is formed between the upper section and the middle section of the mast, the diameter of the middle section is larger than that of the upper section, a lower limit groove is formed between the middle section and the lower section, the diameter of the lower section is larger than that of the middle section, when the mast moves upwards, the middle sail can be supported by the upper limit groove, opening is achieved, and the mast moves to the uppermost end to reach a full sail state. When the upper sail and the middle sail are sleeved on the outer side of the lower section, the sail reaches a minimum contraction state. And the sail cover is arranged and used for positioning the upper sail and sealing the upper sail, so that rainwater is prevented from permeating from the hole of the upper sail.
Furthermore, the mast supporting seat is fixedly connected with the ball nut through a bolt. The connection manufacturing is convenient.
In conclusion, the invention has the following beneficial effects:
1. this apply to retractable sail of unmanned ship at sea controls the wind-force that unmanned ship received through the size and the angle of the windward side that change the sail area, and then adjusts the thrust that unmanned ship sailed. When the sea wind speed is low, the control system controls the telescopic sail to open the full sail, and adjusts the sail to enable the windward angle of the sail to be maximum so as to obtain the maximum thrust; when the sea wind speed is high, the control system controls the telescopic sail to properly retract according to the actual condition, and simultaneously adjusts the windward angle of the sail, so that the unmanned boat obtains the proper sailing speed.
2. The sail type of the sail assembly adopts an airfoil sail, has excellent hydromechanics advantages and provides better thrust.
3. The invention has simple structure, low cost and convenient manufacture. Except the sail which needs to be customized according to the actual situation, the design size can be selected according to the standard or standard parts can be directly adopted, so that the design and production period is shortened.
4. The invention has good mechanical property, the transmission part adopts stainless steel material, the sail adopts reinforced material such as glass fiber reinforced plastic, etc., and high strength and high corrosion resistance are ensured. The invention uses the ball screw as the telescopic transmission mechanism, has the characteristics of low abrasion, better positioning precision and high working stability, and has symmetrical structure and less influence on the stability and the gravity center of the ship body.
5. The sail sealing plate is made of glass fiber reinforced plastics and has good corrosion resistance and water resistance. As a composite material, the glass fiber reinforced plastic has good toughness and strength, has lower density than steel, and is light in weight. The mast and the shaft collar of the sail closing plate are in clearance fit, the fit tolerance interval is (0.08, 0.14), the mast can smoothly extend up and down and freely rotate without influencing the sail closing plate, the bearing closing cover and the ship deck positioning deep groove ball bearing, and the sail closing plate is ensured to have good rotation performance and positioning; the deck hole is sealed by adopting a sealing rubber ring, and meanwhile, grease is smeared on a bearing and a shaft hole when the deck hole is installed, so that lubrication is ensured and good sealing performance is achieved.
Drawings
In order to illustrate the embodiments of the invention more clearly, the invention will be further described with reference to the accompanying drawings and embodiments, which are only part of the embodiments of the invention, and from which further drawings can be derived, without inventive effort, by a person skilled in the art:
fig. 1 is a front view of a retractable sail for an offshore unmanned vehicle according to the present invention.
Fig. 2 is a top view of a retractable sail for an unmanned sea boat according to the present invention.
Fig. 3 is an isometric view of a retractable sail for use with an unmanned sea craft according to the present disclosure.
Fig. 4 is an enlarged schematic view of a connection structure between a mast and a deck of a retractable sail for an offshore unmanned surface vehicle according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, a retractable sail for use in an unmanned sea craft includes a retractable sail assembly 7, a mast assembly 8 for driving the retractable sail assembly 7 to extend or retract, a direction adjustment mechanism for driving the mast assembly 8 to rotate, and a height adjustment mechanism for driving the mast assembly 8 to move in a vertical direction, wherein the height adjustment mechanism and the direction adjustment mechanism are both installed in a space formed by a deck 11 and a bottom plate 12 of the vessel.
In the technical scheme, the height of the telescopic sail is adjusted by the height adjusting mechanism, the angle of the sail is adjusted by the direction adjusting mechanism, and the wind power received by the unmanned ship is controlled by changing the area of the sail and the windward angle, so that the sailing thrust of the unmanned ship is adjusted.
In this embodiment, the height adjusting mechanism includes a screw 3, a mast supporting seat 5, a ball nut 4, a guide shaft 2, and a first power input mechanism; a screw rod fixing mounting hole and a guide shaft positioning blind hole are formed in a bottom plate 12 of the ship, and a guide shaft mounting hole, a screw rod supporting side mounting hole and a deck mast hole are formed in a deck 11 of the ship; the lower end and the upper end of the screw rod 3 are respectively installed in the screw rod fixing installation hole and the screw rod supporting installation hole through a fixing side assembly 1 and a supporting side assembly 6, the lower end of the screw rod 3 extends to the lower part of the bottom plate 12, and the ball nut 4 is screwed and matched on the screw rod 3; the lower end of the guide shaft 2 is fixedly arranged in the guide shaft positioning blind hole, and the upper end of the guide shaft 2 is fixedly arranged in the guide shaft mounting hole; the mast supporting seat 5 is fixedly connected with the ball nut 4; the mast supporting seat 5 is vertically provided with a positioning hole in a penetrating way, the positioning hole is in sliding fit with the guide shaft 2, the guide shaft 2 is in vertical sliding fit in the positioning hole, and the first power input mechanism is in transmission connection with the lower end of the lead screw 3; the mast assembly 8 comprises a mast, the mast is vertically matched in a mast hole of a deck in a sliding manner, a mast hole is formed in the mast supporting seat 5, a mast flange is fixedly installed in the mast hole, a rolling bearing is fixedly installed in the mast flange, the inner ring of the rolling bearing is fixedly connected with the lower end of the mast, and the lower end of the mast penetrates through the mast supporting seat 5 and is downwards connected with a direction adjusting mechanism; the telescopic sail assembly 7 is located above the deck 11, the upper end of the telescopic sail assembly 7 is fixedly connected with the upper end of the mast, a sail closing plate 71 is fixed to the lower end of the telescopic sail assembly 7, and a sealing structure is arranged between the sail closing plate 71 and the mast hole of the deck.
Therefore, when the first power input mechanism acts, the lead screw is driven to rotate, due to the guiding and limiting effect of the guide shaft, the ball nut can only move along the length direction of the lead screw, the mast supporting seat is further driven to move along the length direction of the lead screw, the mast is driven to move along the vertical direction through the mast supporting seat, and the extension or the contraction of the telescopic sail component can be adjusted through the movement of the mast.
In this embodiment, the first power input mechanism includes a first driving motor 13, first driving motor 13 is fixedly mounted on bottom plate 12, an output shaft of first driving motor 13 is vertically upwards provided and fixedly mounted with a first driving spur gear 14, a lower end of lead screw 3 is located below bottom plate 12 and fixedly mounted with a first driven spur gear 15, and first driving spur gear 14 and first driven spur gear 15 are in meshing transmission.
Therefore, the first driving motor drives the first driving straight gear to rotate, the first driving straight gear drives the first driven straight gear to rotate, and the lead screw is further driven to rotate.
In this embodiment, the fixed side subassembly includes fixed side flange and fixes ball bearing in the fixed side flange, 3 lower extremes of lead screw with ball bearing's inner circle fixed connection, pass through bolt fixed connection between fixed side flange and the bottom plate 12, be provided with the sealing member between fixed side flange and the bottom plate 12, the connection of easy to assemble. In particular, the sealing element may be a gasket or a sealing ring.
In this embodiment, the support side assembly includes a support side flange and a rotary bearing fixed in the support side flange, the upper end of the lead screw 3 is fixedly connected with an inner ring of the rotary bearing, the support side flange is fixedly connected with the deck 11 through a bolt, and a sealing member is arranged between the support side flange and the deck 11. The installation and the connection are convenient. In particular, the sealing element may be a gasket or a sealing ring.
In this embodiment, a guide shaft sealing cover 16 is disposed between the guide shaft mounting hole and the deck 11, and a sealing member is disposed between the guide shaft sealing cover 16 and the deck 11. The installation is convenient to connect, and waterproof sealing can be better carried out. In particular, the sealing element may be a gasket or a sealing ring.
In this embodiment, the direction adjustment mechanism includes a second driving motor 21 fixedly mounted below the mast supporting seat 5, an output shaft of the second driving motor 21 is vertically and upwardly disposed and is fixedly mounted with a second driving spur gear 22, a second driven spur gear 23 is fixedly mounted at the lower end of the mast, and the second driving spur gear 22 and the second driven spur gear 23 are in meshing transmission.
Therefore, the second driving motor acts to drive the second driving straight gear to rotate, the second driving straight gear drives the second driven straight gear to rotate, and the second driven straight gear drives the mast to rotate, so that the direction of the telescopic sail assembly is adjusted.
In this embodiment, a collar 72 extends downward from the lower end of the wind sail sealing plate 71, the mast is in clearance fit with the collar 72, the sealing structure includes a sealing rubber ring 73 disposed between the deck mast hole and the collar 72, a deep groove ball bearing 74 is fixedly mounted in the deck mast hole, an inner ring of the deep groove ball bearing 74 is fixedly connected with the collar 72, a bearing cover 75 is also fixedly mounted at the lower end of the deck, and a through hole allowing the mast to pass through is vertically arranged on the bearing cover 75 in a penetrating manner. Can realize better sealing and achieve the waterproof effect.
In this embodiment, the retractable sail assembly includes three sails, which are an upper sail 81, a middle sail 82 and a lower sail 83, the upper sail 81 is sleeved outside the middle sail 82, the middle sail 82 is sleeved outside the lower sail 83, an upper sail cover is integrally formed at the upper end of the upper sail 81, a middle sail cover is integrally formed at the upper end of the middle sail 82, a lower sail cover is integrally formed at the upper end of the lower sail 83, and a sail closing plate 71 is fixedly mounted at the lower end of the lower sail 83; the mast is provided with an upper section, a middle section and a lower section corresponding to the upper sail 81, the middle sail 82 and the lower sail 83 respectively, the diameters of the upper section, the middle section and the lower section are sequentially increased, the upper sail cover is provided with an upper hole matched with the upper end of the mast, the middle sail cover is provided with a middle hole in sliding fit with the upper section, the lower sail cover is provided with a lower hole in sliding fit with the middle section, the lower section of the mast is in clearance fit with the collar 72, the mast penetrates through the lower hole and the middle hole and then penetrates out of the upper hole to be in threaded connection with the sail cover 84, a sealing ring is arranged in the sail cover 84, and the sail cover 84 is arranged above the upper sail cover.
Therefore, an upper limit groove is formed between the upper section and the middle section of the mast, the diameter of the middle section is larger than that of the upper section, a lower limit groove is formed between the middle section and the lower section, the diameter of the lower section is larger than that of the middle section, when the mast moves upwards, the middle sail can be supported by the upper limit groove, opening is achieved, and the mast moves to the uppermost end to reach a full sail state. When the upper sail and the middle sail are sleeved on the outer side of the lower section, the sail reaches a minimum contraction state. And the sail cover is arranged and used for positioning the upper sail and sealing the upper sail, so that rainwater is prevented from permeating from the hole of the upper sail.
In this embodiment, the mast support 5 and the ball nut 4 are fixedly connected by bolts. The connection manufacturing is convenient.
The principle is as follows:
when the area of the sail needs to be adjusted, the output shaft of the first driving motor outputs power to drive the screw rod to rotate, the screw rod drives the sail supporting seat to lift through the ball nut, and then the mast is driven to lift, so that the area of the telescopic sail is adjusted;
when the angle of the sail needs to be adjusted, the output shaft of the second driving motor acts to drive the mast to rotate for adjustment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The telescopic sail is characterized by comprising a telescopic sail component, a mast component, a direction adjusting mechanism and a height adjusting mechanism, wherein the mast component is used for driving the telescopic sail component to extend or retract, the direction adjusting mechanism is used for driving the mast component to rotate, the height adjusting mechanism is used for driving the mast component to move along the vertical direction, and the height adjusting mechanism and the direction adjusting mechanism are both arranged in a space formed by a deck and a bottom plate of a ship;
the height adjusting mechanism comprises a lead screw, a mast supporting seat, a ball nut, a guide shaft and a first power input mechanism; a screw rod fixing mounting hole and a guide shaft positioning blind hole are formed in a bottom plate of the ship, and a guide shaft mounting hole, a screw rod supporting side mounting hole and a deck mast hole are formed in a deck of the ship; the lower end and the upper end of the screw are respectively installed in the screw fixing installation hole and the screw supporting side installation hole through a fixing side assembly and a supporting side assembly, the lower end of the screw extends to the lower part of the bottom plate, and the ball nut is screwed and matched on the screw; the lower end of the guide shaft is fixedly arranged in the guide shaft positioning blind hole, and the upper end of the guide shaft is fixedly arranged in the guide shaft mounting hole; the mast supporting seat is fixedly connected with the ball nut; the mast supporting seat is vertically penetrated with a positioning hole which is in sliding fit with the guide rod, the guide rod is in vertical sliding fit in the positioning hole, and the first power input mechanism is in transmission connection with the lower end of the lead screw; the mast assembly comprises a mast, the mast is vertically matched in a mast hole of a deck in a sliding manner, a mast hole is formed in the mast supporting seat, a mast flange is fixedly installed in the mast hole, a rolling bearing is fixedly installed in the mast flange, the inner ring of the rolling bearing is fixedly connected with the lower end of the mast, and the lower end of the mast penetrates through the mast supporting seat and is downwards connected with a direction adjusting mechanism; the telescopic sail assembly is located above the deck, the upper end of the telescopic sail assembly is fixedly connected with the upper end of the mast, a sail sealing plate is fixed to the lower end of the telescopic sail assembly, and a sealing structure is arranged between the sail sealing plate and the mast hole of the deck.
2. The retractable sail of claim 1, wherein the first power input mechanism comprises a first driving motor, the first driving motor is fixedly installed on the bottom plate, an output shaft of the first driving motor is vertically and upwardly arranged and fixedly installed with a first driving spur gear, a lower end of the lead screw is located below the bottom plate and fixedly installed with a first driven spur gear, and the first driving spur gear and the first driven spur gear are engaged for transmission.
3. The retractable sail for unmanned sea craft as claimed in claim 1, wherein the fixed side assembly comprises a fixed side flange and a ball bearing fixed in the fixed side flange, the lower end of the screw is fixedly connected with the inner ring of the ball bearing, the fixed side flange is fixedly connected with the bottom plate through a bolt, and a sealing member is disposed between the fixed side flange and the bottom plate.
4. The retractable sail for unmanned sea craft as claimed in claim 1, wherein the support side assembly comprises a support side flange and a rotation bearing fixed in the support side flange, the upper end of the lead screw is fixedly connected with the inner ring of the rotation bearing, the support side flange is fixedly connected with the deck by bolts, and a sealing member is disposed between the support side flange and the deck.
5. The retractable sail for unmanned sea craft as claimed in claim 1, wherein a sealing cover is disposed between the guiding shaft mounting hole and the deck, and a sealing member is disposed between the sealing cover and the deck.
6. The retractable sail of claim 1, wherein the direction adjustment mechanism comprises a second driving motor fixedly mounted below the mast support, an output shaft of the second driving motor is vertically and upwardly arranged and fixedly mounted with a second driving spur gear, a lower end of the mast is fixedly mounted with a second driven spur gear, and the second driving spur gear and the second driven spur gear are in meshing transmission.
7. The retractable sail for unmanned sea craft as claimed in claim 1, wherein a collar is provided at a lower end of the sail closing plate, the mast is in clearance fit with the collar, the sealing structure comprises a sealing rubber ring provided between the deck mast hole and the collar, a deep groove ball bearing is fixedly installed in the deck mast hole, an inner ring of the deep groove ball bearing is fixedly connected with the collar, a bearing cover is further fixedly installed at the lower end of the deck, and a through hole for allowing the mast to pass through is vertically provided on the bearing cover.
8. The retractable sail of claim 7, wherein the retractable sail assembly comprises three sails, namely an upper sail, a middle sail and a lower sail, the upper sail is sleeved outside the middle sail, the middle sail is sleeved outside the lower sail, an upper sail cover is integrally formed at the upper end of the upper sail, a middle sail cover is integrally formed at the upper end of the middle sail, a lower sail cover is integrally formed at the upper end of the lower sail, and a sail closing plate is fixedly mounted at the lower end of the lower sail; the mast is provided with an upper section, a middle section and a lower section corresponding to the upper sail, the middle sail and the lower sail respectively, the diameters of the upper section, the middle section and the lower section are sequentially increased, an upper hole matched with the upper end of the mast is formed in the upper sail cover, a middle hole in sliding fit with the upper section is formed in the middle sail cover, a lower hole in sliding fit with the middle section is formed in the lower sail cover, the lower section of the mast is in clearance fit with the shaft collar, the mast penetrates through the lower hole and the middle hole and then penetrates out of the upper hole to be in threaded connection with the sail cover, a sealing ring is arranged in the sail cover, and the sail cover is arranged above the upper sail cover.
9. The telescopic sail for unmanned sea craft as claimed in claim 1, wherein said mast support base is fixedly connected to said ball nut by means of a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069097.0A CN110733623B (en) | 2019-11-05 | 2019-11-05 | Telescopic sail applied to unmanned sea boat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069097.0A CN110733623B (en) | 2019-11-05 | 2019-11-05 | Telescopic sail applied to unmanned sea boat |
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| CN110733623A CN110733623A (en) | 2020-01-31 |
| CN110733623B true CN110733623B (en) | 2020-09-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216862B (en) * | 2020-02-11 | 2023-11-14 | 中国科学院沈阳自动化研究所 | Double-fulcrum modularized unmanned sailing boat sail turning device |
| CN112173030A (en) * | 2020-09-30 | 2021-01-05 | 山东交通职业学院 | Rescue device for navigation |
| CN112455639B (en) * | 2020-12-11 | 2021-09-21 | 广东海洋大学 | Telescopic sail for unmanned sea boat |
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