Ducted propelling device of unmanned ship

Abstract

The utility model provides an unmanned ship ducted propulsion device which comprises a propeller, the propeller is connected with a motor in a driving mode, the propeller and the motor are both arranged in an outer shell, an inner shell is integrally formed on the inner side of the front portion of the outer shell, the tail end of the outer shell is fixedly connected with a ship body, and the tail end of the outer shell is fixedly connected with the ship body. The inner shell and the outer shell of the device are integrally formed, on the premise that the propelling function is ensured, the structure is simple, the number of other components is reduced, the production cost is reduced, the assembly steps are simplified, and the assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned ship propeller technical field, especially relate to a kind of unmanned ship ducted propeller. BACKGROUND

[0002] Ducted propeller is a kind of special propulsion system, is widely used in unmanned surface vehicle and unmanned underwater vehicle.

[0003] Ducted propeller is a kind of propelling mode that the propeller and its driving system are built in the duct, and the propeller rotates in the duct, generates thrust to push unmanned ship forward.The design of duct helps to convert the slipstream of propeller into thrust, while reducing noise and cavitation effect.

[0004] Traditional unmanned ship ducted propeller is often composed of multilayer outer shell body, and its structure is complex, and the production cost is high.With the increasing demand of people on water ducted unmanned ship, the high production cost of traditional unmanned ship ducted propeller has become a major obstacle to meet people's demand. INVENTION CONTENTS

[0005] The utility model aims at solving the technical deficiency of the above, and provides a kind of unmanned ship ducted propeller.

[0006] Therefore, the utility model provides a kind of unmanned ship ducted propeller, including propeller, the propeller is driven to be connected with motor, the propeller and the motor are all arranged in outer shell body, and inner shell body is integrally formed in the inner side of outer shell body front part, and the tail end of outer shell body is fixedly connected with boat body.

[0007] Preferably, the outer shell body is provided with water inlet and water outlet, and the water inlet and the water outlet are both installed with grating.

[0008] Preferably, the grating includes water inlet grating and water outlet grating, the water inlet grating is arranged at the bottom of the outer shell body, and the water outlet grating is arranged at the front end of the inner shell body and coaxially arranged with the outer shell body.

[0009] Preferably, the water inlet grating is fixedly installed on mounting bracket, the front end of the mounting bracket is inserted with the outer shell body, and the rear end is fixedly connected with the boat body.

[0010] Preferably, the outer shell body is fixedly connected with the boat body through flange, the motor is fixedly installed on the flange, and the middle end of the mounting bracket is fixedly connected with the flange.

[0011] Preferably, the front end of the mounting bracket is fixedly installed with limiting strip, the water inlet is provided with limiting slot, and the limiting strip is adaptively inserted with the limiting slot.

[0012] Preferably, the two sides of the mounting frame are guide plates, which are fin-shaped.

[0013] Preferably, annularly arranged support fins are fixedly installed between the outer shell and the inner shell, the support fins are arranged in an outer cavity of the outer shell, the propeller and the motor are arranged in an inner cavity of the outer shell, and the inner cavity and the outer cavity are separated by the inner shell.

[0014] Preferably, the water inlet grille is arc-shaped.

[0015] The unmanned ship ducted propelling device has the following beneficial effects.

[0016] (1) The inner shell and the outer shell are integrally formed, the structure is simple under the premise of ensuring the propelling function, the number of other components is reduced, the production cost is reduced, the assembly steps are simplified, and the assembly efficiency is improved.

[0017] (2) The limiting strip at the front end of the mounting frame is adaptively inserted into the limiting groove at the water inlet at the bottom of the outer shell, the positioning and installation of the mounting frame and the water inlet grille can be quickly completed, the assembly process is simplified, and the stability is high.

[0018] (3) The two sides of the mounting frame at the water inlet at the bottom of the outer shell adopt fin-shaped guide plate structures, the water flow direction is optimized, the water inlet efficiency is improved, the structure of the ship body is also simplified, and the production cost of the whole product is further reduced.

[0019] (4) The annularly arranged support fins can enhance the structural strength between the outer shell and the water outlet, and the stability is high. DRAWINGS

[0020] Figure 1 is a mounting structure schematic view of the unmanned ship ducted propelling device in the embodiment;

[0021] Figure 2 is Figure 1 a sectional view in the direction of A-A in the embodiment;

[0022] Figure 3 is a schematic view of the internal structure of the unmanned ship ducted propelling device in the embodiment;

[0023] Figure 4 is Figure 2 a local enlarged view of part A in the embodiment;

[0024] Figure 5 is Figure 4 a local enlarged view of part B in the embodiment.

[0025] Marked in the figure: 1, propeller; 2, motor; 3, outer shell; 4, hull; 5, water inlet; 6, water outlet; 7, water inlet grille; 8, water outlet grille; 9, mounting bracket; 10, flange; 11, limiting strip; 12, limiting groove; 13, guide plate; 14, support fin; 15, outer cavity; 16, inner cavity; 17, inner shell; 18, screw sink hole; 19, screw one; 20, mounting hole; 21, screw two; 22, screw three; 23, screw four; 24, threaded hole three; 25, screw six. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with the drawings and specific embodiments, to help understand the contents of the utility model. The method used in the utility model is conventional method unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0027] Embodiment:

[0028] As Figures 1-5 shown, the utility model provides a unmanned ship duct type propulsion device, this propulsion device is equipped with two, parallel fixed installation is in the hull 4 of unmanned ship, this propulsion device includes propeller 1, propeller 1 is driven to be connected with motor 2, propeller 1 with motor 2 all are arranged in the inner cavity 16 of outer shell 3, the inner side of outer shell 3 front portion is integrally formed with inner shell 17, inner shell 17 with outer shell 3 coaxial arrangement, inner shell 17 is gradually tightened from rear to front, ensure that the unmanned ship propulsion work smoothly, outer shell 3 with inner shell 17 between fixed installation has annular support fin 14, support fin 14 and inner shell 17 form outer cavity 15, reduce the difficulty of two shell integrally formed, save production cost, the assembly process is simple and fast, also improve the strength of outer shell 3, the tail end of outer shell 3 is provided with a plurality of screw sink hole 18, screw one 19 passes through screw sink hole 18 and is screw connected with the threaded hole four on flange 10, flange 10 is fixedly connected with the hull 4 by screw six 25, outer shell 3 is provided with water inlet 5 and water outlet 6, water inlet 5 is set up in the bottom of outer shell 3, water outlet 6 is arranged in the front end of outer shell 3, water inlet 5 and water outlet 6 all are installed with grille.

[0029] Further, the grid includes a water inlet grid 7 and a water outlet grid 8, the water inlet grid 7 is fixedly installed at the bottom of the outer shell 3 through a mounting frame 9, the water inlet grid 7 is fixedly installed at the front of the mounting frame 9, and the water outlet grid 8 is fixedly installed at the front end of the inner shell 17 and is coaxially arranged with the outer shell 3, specifically, a plurality of mounting holes 20 are arranged around the water outlet grid 8, and threaded holes one are arranged on the inner shell 17, and screws two 21 are used to be threadedly connected through the mounting holes 20 and the threaded holes one.

[0030] Further, the front end of the mounting frame 9 is inserted into the outer shell 3, and the rear end is threadedly connected with the threaded holes two of the hull 4 through screws three 22.

[0031] Further, the motor 2 is fixedly installed to the middle region of the flange 10 through screws four 23, and the middle end of the mounting frame 9 is threadedly connected with the threaded holes three 24 on the flange 10 through screws five.

[0032] Further, a long and narrow limiting strip 11 is fixedly installed at the front end of the mounting frame 9, a limiting groove 12 is arranged at the water inlet 5, and the limiting strip 11 is adaptively inserted into the limiting groove 12, so that the positioning and installation of the mounting frame 9 and the water inlet grid 7 can be quickly completed, the assembly process is simplified, and the stability is high.

[0033] Further, both sides of the mounting frame 9 are flow guide plates 13, the flow guide plates 13 are fin-shaped, the water flow direction is optimized, the water inlet efficiency is improved, the original complex structure of the hull 4 is simplified, and the production cost of the whole product is further reduced.

[0034] Further, the water inlet grid 7 is outer-arc-shaped, and the shape is adapted to that of the flow guide plate 13, the water flow direction is optimized, and the water inlet efficiency is improved.

[0035] The working principle is as follows:

[0036] When the propelling device needs to be installed on the hull 4, first, the motor 2 is combined with the propeller 1 to form a complete power module, then the motor 2 is fixedly installed to the middle region of the flange 10 through screws four 23, then the flange 10 is fixedly installed on the hull 4 through screws six 25, then the outer shell 3 is sleeved on the flange 10, so that a plurality of screw sunken holes 18 correspond to threaded holes four on the flange 10, screws one 19 are used to be threadedly connected through the screw sunken holes 18 and the threaded holes four, then screws two 21 are used to be threadedly connected through the mounting holes 20 of the water outlet grid 8 and the threaded holes one on the inner shell 17, at this moment, the assembly of the water outlet grid 8 is completed.

[0037] In assembling the water inlet grille 7, the limiting strip 11 is slightly inclined and embedded in the limiting groove 12, and the mounting frame 9 is adjusted, the tail end of the mounting frame 9 is fixedly connected with the hull 4 through the screw three 22, and then the middle end of the mounting frame 9 is fixedly connected with the flange 10 by using the screw five through the threaded hole three 24 below the flange 10, so that the assembly of the water inlet grille 7 and the flange 10 is completed, and the process of mounting the ducted propelling device on one side to the hull 4 is completed.

[0038] In the description of the present application, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "intermediate" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0039] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application, so the replacement of equivalent components or equivalent changes and modifications made in the scope of the present application shall still belong to the scope of the present application.

Claims

1. A ducted propeller for an unmanned surface vehicle, comprising a propeller (1), characterized in that, The propeller (1) is drivenly connected with the motor (2), the propeller (1) and the motor (2) are arranged in the outer shell (3), the inner shell (17) is integrally formed in the inner side of the front part of the outer shell (3), and the tail end of the outer shell (3) is fixedly connected with the hull (4).

2. The ducted propulsive device of an unmanned surface vehicle according to claim 1, wherein, The outer shell (3) is provided with a water inlet (5) and a water outlet (6), and the water inlet (5) and the water outlet (6) are provided with grilles.

3. The ducted propulsive device of an unmanned surface vehicle according to claim 2, wherein, The grille includes a water inlet grille (7) and a water outlet grille (8), the water inlet grille (7) is arranged at the bottom of the outer shell (3), and the water outlet grille (8) is arranged at the front end of the inner shell (17) and coaxially arranged with the outer shell (3).

4. The ducted propulsive device of claim 3, wherein, The water inlet grille (7) is fixedly installed on the mounting bracket (9), the front end of the mounting bracket (9) is inserted with the outer shell (3), and the rear end is fixedly connected with the hull (4).

5. The ducted propulsive device of an unmanned surface vehicle according to claim 4, wherein, The outer shell (3) is fixedly connected with the hull (4) through the flange (10), the motor (2) is fixedly installed on the flange (10), and the middle end of the mounting bracket (9) is fixedly connected with the flange (10).

6. The ducted propulsive device of an unmanned surface vehicle according to claim 4, wherein, The front end of the mounting bracket (9) is fixedly installed with a limiting strip (11), the water inlet (5) is provided with a limiting groove (12), and the limiting strip (11) is adaptively inserted with the limiting groove (12).

7. The ducted propulsive device of claim 4, wherein, The two sides of the mounting bracket (9) are guide plates (13), and the guide plates (13) are fin-shaped.

8. The ducted propulsive device of an unmanned surface vehicle according to claim 1, wherein, The outer shell (3) and the inner shell (17) are fixedly installed with support fins (14) arranged in a ring, the support fins (14) are arranged in the outer cavity (15) of the outer shell (3), the propeller (1) and the motor (2) are arranged in the inner cavity (16) of the outer shell (3), and the inner cavity (16) and the outer cavity (15) are separated by the inner shell (17).

9. The ducted propulsive device of an unmanned surface vehicle according to claim 3, wherein, The water inlet grille (7) is arc-shaped.

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