Disclosure of Invention
The invention aims to provide a double-propeller propulsion device of a ship, which can solve the problems that the traditional ship propeller propulsion device is a single propeller in the middle, the arrangement mode has poor towing force, slow navigation speed and weak wind resistance, and once the propeller is damaged, the ship cannot navigate.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a two propeller propulsion means of boats and ships which innovation point lies in: comprises that
A ship body; a transverse plate is fixedly connected to the inner bottom surface of the ship body, and a supporting plate is fixedly connected to the middle of the top surface of the transverse plate along the vertical direction; the side wall of the ship body is provided with a plurality of through holes for accommodating the end parts of the sleeve groups; t-shaped sliding grooves are formed in the transverse plate and located on two sides of the supporting plate respectively, T-shaped sliding blocks are arranged in the T-shaped sliding grooves and are connected with the T-shaped sliding grooves in a sliding mode, and the top ends of the T-shaped sliding blocks penetrate through the T-shaped sliding grooves; the top end of the supporting plate is fixedly connected with a double-shaft motor which is horizontally arranged; a second electric telescopic rod penetrating through the supporting plate is vertically arranged on the supporting plate;
a fixing plate; the bottom end of the fixed plate is connected to the T-shaped sliding block, a through hole is formed in the center of the fixed plate, and a second check ring is nested on the inner wall of the through hole; the side wall of the fixing plate is connected to the second electric telescopic rod;
a sleeve group; the sleeve set comprises a first sleeve, a second sleeve and a third sleeve; the first sleeve, the second sleeve and the third sleeve are parallel to each other and are sequentially arranged from bottom to top and are matched with the through hole at the end part of the sleeve containing group on the ship body to be embedded in the through hole; the first sleeve comprises a cylindrical section and a prismatic section; the cylindrical section of the first sleeve is embedded in the through hole of the ship body, and the prismatic section of the first sleeve is embedded in the second retainer ring on the fixing plate; the T-shaped sliding block connected to the fixed plate is driven to move along the T-shaped sliding groove through the second electric telescopic rod; t-shaped rings are arranged at the peripheries of through holes of the ship body connected with the first sleeve and the second sleeve and can rotate; the cylindrical section of the first sleeve is provided with a square hole along the axial direction; a fixing ring is fixedly arranged at one end of the second sleeve, which is positioned on the inner wall side of the ship body, and a third electric telescopic rod is arranged between the fixing ring and the inner wall of the ship body; a circular groove matched with the fixed rod is formed in the fixed ring; a vertical plate is vertically arranged at one end of the third sleeve, which is positioned on the inner wall side of the ship body, a first electric telescopic rod is arranged between the vertical plate and the inner wall of the ship body, the output end of the first electric telescopic rod is connected to the vertical plate, and the bottom end of the first electric telescopic rod is connected to the inner wall of the ship body;
a transmission unit: the transmission unit comprises a first belt pulley, a belt, a second belt pulley and a rotating shaft; the first belt pulley is nested on the prism section of the first sleeve, and the first belt pulley and the first sleeve can slide relatively; the rotating shaft is connected to the output end of the double-shaft motor; a fixed block is nested at the end part of the rotating shaft, and a fixed rod is arranged on the fixed block; a second belt pulley is further nested on the rotating shaft; the first belt pulley and the second belt pulley are in belt transmission; the circular groove on the fixing ring is matched with the fixing rod on the fixing block at the end part of the rotating shaft, and the second sleeve is driven to rotate by the double-shaft motor; a connecting rod is horizontally connected between the side edge of the first belt pulley and the T-shaped ring, and the connecting rod rotates along with the T-shaped ring and the first belt pulley simultaneously;
the propeller module comprises a mounting plate, a first check ring, a rotating rod, a first blade and a second blade; the mounting plate is perpendicular to the end part, located on the outer wall of the ship body, of the second sleeve, the side edges of the upper end and the lower end of the mounting plate are provided with through holes for accommodating first check rings, the first check rings are arranged in the through holes, the side edge of the upper end of the mounting plate is provided with a rotating rod in the through holes of the first check rings, and the rotating rod is coaxial with the center of the third sleeve and is provided with second blades; the lower extreme side of mounting panel is provided with the through-hole of first retaining ring and also installs the rotary rod, and the central coaxial setting of this rotary rod and first sleeve-pipe.
Further, the bottom of the third electric telescopic rod is connected to the T-shaped ring on the periphery of the second sleeve, the top of the third electric telescopic rod is connected to the fixing ring, and the third electric telescopic rod can rotate along with the T-shaped ring.
Further, the radius of rotation of the first blade is greater than the radius of rotation of the second blade; the first paddle and the second paddle are switched by rotating the mounting plate for 180 degrees.
Furthermore, horn-shaped guide openings are formed in the end portions, matched with the rotating rod, of the first sleeve and the third sleeve.
The invention has the advantages that:
1) according to the invention, proper large blades or small blades can be selected for propulsion according to the depth of seawater, so that the problem that the conventional marine propeller cannot be stretched up and down and cannot effectively adapt to complex terrain, and a navigation area with large draft change cannot be properly adjusted, so that the dragging force is poor, the navigation speed is slow, the wind resistance is weak, and the propeller is easily damaged is avoided, in the connection process, one ends of the first sleeve and the third sleeve are arranged in a horn shape, so that the first sleeve and the third sleeve can be conveniently and quickly sleeved on the square rotating rod, the third sleeve can effectively fix the upper blades, the blades are prevented from rotating under external force to influence the advancing speed of a ship, the lower first sleeve is arranged to enable the blades fixedly connected on the square rotating rod to rotate to drive the ship to advance, the device is provided with one propeller at each side below the stern, one propeller rotates left, and the other propeller rotates right, this kind of setting up mode can effectual improvement boats and ships pull that gos forward, and then the navigational speed follows synchronous improvement to anti wind-force is stronger, can also make boats and ships keep power when one of them screw breaks down, the effectual practicality that has improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be completely horizontal, but may be slightly inclined.
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; can be mechanically or electrically 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.
A twin screw propulsion arrangement for a vessel as shown in figures 1 to 3 comprises
A ship body 1; a transverse plate 2 is fixedly connected to the inner bottom surface of the ship body 1, and a supporting plate 3 is fixedly connected to the middle of the top surface of the transverse plate 2 along the vertical direction; the side wall of the ship body 1 is provided with a plurality of through holes for accommodating the end parts of the sleeve groups; t-shaped sliding grooves 4 are respectively formed in the two sides, located on the supporting plate, of the transverse plate 2, T-shaped sliding blocks 5 are arranged in the T-shaped sliding grooves 4 to be connected with the T-shaped sliding grooves 4 in a sliding mode, and the top ends of the T-shaped sliding blocks 5 penetrate through the T-shaped sliding grooves 4; the top end of the supporting plate 3 is fixedly connected with a double-shaft motor 6 which is horizontally arranged; a second electric telescopic rod 7 penetrating through the supporting plate 3 is vertically arranged on the supporting plate 3.
A fixed plate 8; the bottom end of the fixed plate 8 is connected to the T-shaped sliding block 5, a through hole is formed in the center of the fixed plate 8, and a second retaining ring 9 is embedded in the inner wall of the through hole; the side wall of the fixed plate 8 is connected to the second electric telescopic rod 7.
A sleeve group; the sleeve group comprises a first sleeve 10, a second sleeve 11 and a third sleeve 12; the first sleeve 10, the second sleeve 11 and the third sleeve 12 are parallel to each other and are sequentially arranged from bottom to top and are matched with the through holes at the end parts of the containing sleeve groups on the ship body 1 to be embedded in the through holes; the first sleeve 10 comprises a cylindrical section and a prismatic section; the cylindrical section of the first sleeve 10 is embedded in the through hole of the ship body 1, and the prismatic section of the first sleeve 10 is embedded in the second retainer ring 9 on the fixing plate 8; the T-shaped sliding block 5 connected to the fixed plate 8 is driven to move along the T-shaped sliding groove 4 through the second electric telescopic rod 7; t-shaped rings 13 are arranged on the periphery of through holes of the ship body 1 connected with the first sleeve 10 and the second sleeve 11, and the T-shaped rings 13 can rotate; the cylindrical section of the first sleeve 10 is provided with a square hole along the axial direction; a fixing ring 14 is fixedly arranged at one end of the second sleeve 11, which is positioned on the inner wall side of the ship body 1, and a third electric telescopic rod 15 is arranged between the fixing ring 14 and the inner wall of the ship body 1; the fixing ring 14 is provided with a circular groove matched with the fixing rod 16; the riser 17 is vertically arranged at one end of the third sleeve 12, which is located on the inner wall side of the ship body 1, a first electric telescopic rod 18 is arranged between the riser 17 and the inner wall of the ship body 1, the output end of the first electric telescopic rod 18 is connected with the riser 17, and the bottom end of the first electric telescopic rod 18 is connected with the inner wall of the ship body 1.
A transmission unit: the transmission unit includes a first pulley 19, a belt 20, a second pulley 21, and a rotary shaft 22; the first belt pulley 19 is nested on the prism section of the first sleeve 10, and the first belt pulley 19 and the first sleeve 10 can slide relatively; the rotating shaft 22 is connected to the output end of the double-shaft motor 6; a fixed block 23 is nested at the end part of the rotating shaft 22, and a fixed rod 16 is arranged on the fixed block 23; a second belt pulley 21 is also nested on the rotating shaft; the first belt pulley 19 and the second belt pulley 21 are in transmission through a belt 20; the circular groove on the fixing ring 14 is matched with the fixing rod 16 on the fixing block at the end part of the rotating shaft 22, and the second sleeve 11 is driven to rotate by the double-shaft motor 6; a connecting rod 24 is horizontally connected between the side of the first pulley 19 and the T-shaped ring 13, and the connecting rod 24 rotates along with the T-shaped ring 13 and the first pulley 19.
A propeller module, the propeller module comprises a mounting plate 25, a first retainer ring 26, a rotating rod 27, a first blade 28 and a second blade 29; the mounting plate 25 is perpendicular to the end of the second sleeve 11 on the outer wall of the ship body 1, the side edges of the upper end and the lower end of the mounting plate 25 are provided with through holes for accommodating the first check rings 26, the first check rings 26 are arranged in the through holes, the side edge of the upper end of the mounting plate 25 is provided with a rotating rod 27 in the through holes of the first check rings 26, and the rotating rod 27 is coaxial with the center of the third sleeve 12 and is provided with second paddles 29; a rotating rod 27 is also installed in the through hole of the mounting plate 25, which has a first retainer 26 at the lower end side, and the rotating rod 27 is coaxially disposed with the center of the first sleeve 12.
The bottom of the third electric telescopic rod 15 is connected to the T-shaped ring 13 on the periphery of the second sleeve 11, the top of the third electric telescopic rod 15 is connected to the fixing ring 14, and the third electric telescopic rod can rotate along with the T-shaped ring.
The radius of rotation of first blade 28 is greater than the radius of rotation of second blade 29; the first paddle 28 and the second paddle 29 are switched by rotating the mounting plate by 180 °.
The ends of the first sleeve 10 and the third sleeve 12, which are matched with the rotating rod 27, are provided with horn-shaped guide openings.
The working principle of the invention is as follows: when the marine propeller is used, the proper first blade or the proper second blade is selected according to the depth of seawater to be propelled, so that the problem that the conventional marine propeller cannot stretch up and down and cannot effectively adapt to complex terrains, and the problem that a navigation area with large draught change cannot be properly adjusted to cause poor dragging force, low navigation speed, weak wind resistance and easy damage to the propeller is solved The round slot, the fixed block and the fixed rod are arranged to rotate synchronously, when the selected first paddle or the selected second paddle rotates to the position right below, the operation of the double-shaft motor is stopped, then the third electric telescopic rod is started to operate, the extension end is shortened, the fixed ring is driven, the second sleeve and the mounting plate return to the original position, the mounting plate and the second sleeve are fixed, then the second electric telescopic rod operates, the extension end pushes the fixed plate to move towards the direction close to the side wall of the ship body under the arrangement of the T-shaped sliding groove and the T-shaped sliding block, the first sleeve synchronously moves to slide towards the outside of the ship body, at the moment, the first belt pulley is fixed and different under the arrangement of the T-shaped sliding groove and the T-shaped sliding block, then the first sleeve is sleeved on the rotary rod opposite to the rotary rod, and one end of the first sleeve is arranged in a horn shape, so that the first sleeve can be conveniently, then the first electric telescopic rod is operated to shorten the output end, the vertical plate is driven to move towards the side wall direction of the ship body, the third sleeve is further synchronously moved and sleeved on the rotary rod corresponding to the third sleeve, and one end of the third sleeve is arranged in a horn shape, so that the third sleeve is conveniently and quickly sleeved on the square rotary rod, the upper paddle is effectively fixed, the paddle is prevented from rotating under the action of external force to influence the advancing speed of the ship, after the adjustment is completed, the double-shaft motor is started to operate, the two output ends respectively drive different rotary shafts to rotate, in the rotating process of the rotary shafts, the first sleeve is synchronously rotated through the arrangement of the first belt pulley, the belt and the second belt pulley, the first sleeve further drives the rotary rod connected with the first sleeve to rotate, and the paddle fixedly connected with the square rotary rod drives the ship to move forwards, this device two sets of screw, this kind of arrangement mode can effectually improve the power of dragging that boats and ships gos forward, and then the navigational speed follows synchronous improvement to anti-wind-force is stronger.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.