Propelling mechanism and unmanned surface vehicle

Abstract

The utility model provides a propulsion mechanism and a water surface unmanned ship, the propulsion mechanism comprises a rotating disc and a first driving device used for driving the rotating disc to rotate, and the rotating disc is used for being rotatably installed on a ship body; a shell is fixedly connected to the bottom end of the rotating disc, a propeller is rotationally installed in the shell, a second driving device used for driving the propeller to rotate is installed on the rotating disc, and the propeller is arranged in a downward inclined mode; the first driving device is installed in the ship body, a check ring is installed on the shell, and the check ring and the propeller are coaxially arranged; a grating is mounted on the check ring; the problems that in the prior art, due to the fact that a steering system and a propelling system are arranged at the same time, the overall structure of a ship body is complex, and the fault probability is increased can be solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the unmanned ship technical field, concretely is a kind of propulsion mechanism and water surface unmanned ship. BACKGROUND

[0002] With the development of economy and society, in the ocean or other water area, there is using unmanned ship to carry out hydrological monitoring, ocean environment survey, intelligence collection and fishery investigation etc. operation. The existing unmanned ship, either directly driven by internal combustion engine underwater propeller, or driven by electric power underwater propeller, or driven by internal combustion engine air propeller.

[0003] Unmanned ship structure generally includes hull, engine, transmission system, propeller, rudder and monitoring module etc., for example, the invention application of the publication number CN106081038A, (referred to as prior art 1 below), discloses a double air boat, including hull, propeller system and steering system etc. component, steering system is the direction rudder (similar to air deflector) vertically arranged in the stern of ship, direction rudder is connected by handle control or steering wheel, drives direction rudder to swing, promotes the air flow of propeller system to change direction.

[0004] Although the propeller direction rudder of prior art 1 is arranged to drive hull to move, but the simultaneous arrangement of steering system and propulsion system will lead to the overall structure of hull complex, increase the probability of failure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of propulsion mechanism and water surface unmanned ship, which can solve the problem that the simultaneous arrangement of steering system and propulsion system in prior art will lead to the overall structure of hull complex, increase the probability of failure in actual use process.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] A kind of propulsion mechanism, including rotating disc and the first drive device for driving the rotating disc rotation, the rotating disc is used to rotate installation in hull;

[0008] The bottom end of the rotating disc is fixedly connected with shell, the propeller is rotatably installed in the shell, the second drive device for driving the propeller rotation is installed on the rotating disc, and the propeller is downwardly inclined;

[0009] The first drive device is installed in the hull, the retainer ring is installed on the shell, and the retainer ring is coaxially arranged with the propeller.

[0010] Preferably, the retainer ring is installed with grating.

[0011] Preferably, the grille includes a plurality of concentrically spaced rings and a cross bar formed by connecting the plurality of rings. The cross bar passes through the centers of the rings, and the ring with the largest diameter is connected to the shell.

[0012] Preferably, a mounting platform is provided in the hull, the rotating disk is rotatably mounted on the mounting platform, the first driving device is mounted on the mounting platform and is used to drive the rotating disk to rotate, and the shell is rotatably connected to the hull.

[0013] Preferably, an overflow cavity is provided in the mounting platform, and a water level monitor is installed on the mounting platform.

[0014] Preferably, a sleeve is coaxially fixedly connected in the overflow chamber, and the shell and the sleeve are rotationally connected.

[0015] Preferably, a mounting groove is provided in the sleeve, and a sealing portion is installed in the mounting groove; a bearing is sleeved on the shell, and the shell is rotatably installed in the mounting groove through the bearing, and the sealing portion is provided at the upper and lower ends of the bearing.

[0016] A surface unmanned boat comprises a boat body and a propulsion mechanism.

[0017] Preferably, a stabilizing plate is fixedly connected to the bottom end of the hull, and the stabilizing plate is tilted in a direction away from the hull.

[0018] Preferably, a water pump is installed in the cabin, and a water inlet pipe and a water outlet pipe are connected to the water pump. The water inlet pipe extends into the overflow cavity, and the water outlet end of the water outlet pipe is arranged outside the hull.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In the present invention, the second drive device drives the screw assembly to rotate, thereby driving the boat body to move, and the first drive device drives the rotating disk to rotate, thereby driving the propeller to achieve steering. This allows the unmanned boat to achieve flexible steering and maneuverability during navigation without relying on a traditional rudder system. The boat can turn around on the spot and move forward and backward freely, greatly improving its maneuverability and controllability.

[0021] The provision of the retaining ring can reduce the generation of eddy currents and improve thrust efficiency. Simultaneously, the provision of the retaining ring can prevent the propeller from causing harm to marine life during operation.

[0022] The first drive device and the second drive device are both installed in the hull and isolated from water. There is no need to perform special waterproofing treatment on the first drive device and the second drive device, which is beneficial to extending the overall service life of the propulsion mechanism and ensuring safety in use. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 It is a perspective view of the present application.

[0025] Figure 2 It is a structural schematic view of the present application.

[0026] Figure 3 It is a perspective view of the present application Figure 2 It is a local enlarged view of A in the present application.

[0027] In the drawings, the component list represented by each reference numeral is as follows:

[0028] 101-rotating disc, 102-boat body, 103-housing, 104-propeller, 105-second driving device, 106-retaining ring, 107-circular ring, 108-cross rod, 109-mounting table, 110-overflow cavity, 111-water level monitor, 112-sleeve, 113-mounting groove, 114-sealing part, 115-stabilizing plate, 116-driven gear, 117-second driving motor, 118-rotating rod, 119-first bevel gear, 120-second bevel gear. DETAILED DESCRIPTION

[0029] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0030] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0031] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply a relative importance or an ordering between or among the indicated technical features. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly.

[0032] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0033] In the embodiments of the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0035] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0036] Referring to Figures 1-3 The embodiment discloses a propelling mechanism, comprising a rotating disc 101 and a first driving device for driving the rotating disc 101 to rotate, the rotating disc 101 is used for rotatingly mounting on a hull 102;

[0037] The bottom end of the rotating disk 101 is fixedly connected to a housing 103, and a propeller 104 is rotatably installed in the housing 103. A second driving device 105 for driving the propeller 104 to rotate is installed on the rotating disk 101, and the propeller 104 is arranged to be tilted downward;

[0038] The first driving device is installed in the hull 102 , and a retaining ring 106 is installed on the housing 103 . The retaining ring 106 is coaxially arranged with the propeller 104 .

[0039] In this embodiment, the first driving device includes a first driving motor and a driving gear, the driving gear is fixedly sleeved on the output end of the first driving motor, a driven gear 116 is sleeved on the rotating disk 101, the driving gear is meshed with the driven gear 116, and the first driving motor is installed in the hull 102; after the first driving motor drives the driving gear to rotate, it can drive the driven gear 116 and the rotating disk 101 to rotate, thereby driving the shell 103 and the propeller 104 to achieve steering, which enables the unmanned boat to achieve flexible steering and control during navigation without relying on the traditional rudder system; the ship can turn around on the spot and move forward and backward freely, which greatly improves maneuverability and maneuverability; the second driving device 105 includes a second driving motor 117 and a rotating rod 118, the second driving motor 117 is fixedly mounted On the rotating disk 101, the rotating rod 118 is fixedly connected to the output end of the second drive motor 117 and is rotatably connected to the rotating disk 101 via a bearing. The bottom end of the rotating rod 118 is fixedly and coaxially sleeved with a first bevel gear 119. The propeller 104 is coaxially sleeved with a second bevel gear 120. The first bevel gear 119 and the second bevel gear 120 mesh with each other. When the second drive motor 117 drives the rotating rod 118 to rotate, the first bevel gear 119 and the second bevel gear 120 can drive the propeller 104 to rotate. The second drive device 105 drives the propeller to rotate, which in turn drives the hull 102 to move. The provision of the retaining ring 106 can reduce the generation of eddy currents and improve thrust efficiency. At the same time, the provision of the retaining ring 106 can prevent the operation of the propeller 104 from causing harm to marine life. The first and second drive devices 105 are both installed within the hull 102, isolated from water, eliminating the need for special waterproofing treatment for the first and second drive devices 105, which helps to extend the overall service life of the propulsion mechanism and ensure safety.

[0040] In some embodiments, a grille is installed on the retaining ring 106. The grille can block debris in the water and prevent the debris from being drawn into and entangled with the propeller 104 during the movement of the hull 102.

[0041] In some embodiments, the grid comprises a plurality of concentrically spaced annular rings 107, and a plurality of cross bars 108 formed by connecting the annular rings 107, the cross bars 108 passing through the centers of the annular rings 107, and the largest annular ring 107 is connected to the shell 103. In this embodiment, the number of annular rings 107 and the spacing between adjacent annular rings 107 can be selected according to actual needs, and the size of the filter gap of the grid can be adjusted. In this embodiment, there are three annular rings 107, the largest annular ring 107 is fixedly connected to the shell 103, and the cross bar 108 formed by connecting the three annular rings 107 passes through the centers of the annular rings 107.

[0042] In some embodiments, the hull 102 is provided with a mounting table 109, the rotating disc 101 is rotatably mounted on the mounting table 109, the first driving device is mounted on the mounting table 109 and used to drive the rotating disc 101 to rotate, and the shell 103 is rotatably connected to the hull 102. By providing the mounting table 109, the distance between the first driving device and the second driving device 105 and the water surface can be further increased, and the safety of the first driving device and the second driving device 105 can be ensured.

[0043] In some embodiments, the mounting table 109 is provided with a water overflow cavity 110, and a water level monitor 111 is mounted on the mounting table 109. By providing the water overflow cavity 110, when a gap between the shell 103 and the hull 102 leaks, liquid will first enter the water overflow cavity 110 instead of directly entering the hull 102. The water level monitor 111 is a conventional monitoring device for detecting liquid level in the prior art. In this embodiment, the water level monitor 111 can monitor the liquid level in the water overflow cavity 110 and issue an alarm when the liquid level in the water overflow cavity 110 is too high. The specific structure and function of the water level monitor 111 will not be described here.

[0044] In some embodiments, a sleeve 112 is coaxially and fixedly connected in the water overflow cavity 110, and the shell 103 is rotatably connected to the sleeve 112. By providing the sleeve 112, the contact area between the shell 103 and the sleeve 112 can be increased, thereby reducing the probability of liquid entering the water overflow cavity 110 through the gap between the shell 103 and the sleeve 112.

[0045] In some embodiments, the sleeve 112 is provided with a mounting groove 113, and a sealing part 114 is mounted in the mounting groove 113; a bearing is sleeved on the shell 103, the shell 103 is rotatably mounted in the mounting groove 113 through the bearing, and the sealing part 114 is arranged at the upper and lower ends of the bearing. The sealing part 114 is rotatably and sealingly connected with the shell 103, the sealing part 114 can further seal the gap between the shell 103 and the sleeve 112, and the sealing part 114 is made of rubber material.

[0046] In the embodiment, a water unmanned boat is also disclosed, which comprises a boat body 102 and a propelling mechanism. The boat body 102 is provided with a cabin for mounting a control system and sensors, and the control system and the sensors are conventional monitoring devices in the prior art, and the structure and function thereof will not be described herein.

[0047] In the embodiment, the boat body 102 is fixedly connected with a stabilizing plate 115 at the bottom end, and the stabilizing plate 115 is arranged in a slanting manner away from the boat body 102. The stabilizing plate 115 can strengthen the stability of the boat body in waves, reduce the rolling and pitching of the boat, and improve the wave resistance.

[0048] In the embodiment, a water pump is mounted in the cabin, and a water inlet pipe and a water outlet pipe are connected to the water pump. The water inlet pipe extends into the overflow cavity 110, and the water outlet end of the water outlet pipe is arranged outside the boat body 102. The top end of the mounting table 109 is provided with an air port, and a one-way valve is mounted in the air port. When the liquid in the overflow cavity 110 is excessive, the water pump can be used to pump the accumulated water in the overflow cavity 110 into the water outlet pipe. During the pumping process of the water inlet pipe, the external gas enters the overflow cavity 110 through the one-way valve, so that the liquid outside the boat body 102 is prevented from being sucked into the overflow cavity 110. The water outlet of the water outlet pipe is arranged outside the boat body 102 and above the water surface, and the water outlet pipe can be used to pump the accumulated water in the overflow cavity 110 out of the boat body 102. After the liquid in the overflow cavity 110 is pumped out of the boat body, the one-way valve and the water pump are closed. In the embodiment, the one-way valve and the water pump are conventional devices in the prior art, and the structure and principle thereof will not be described herein.

[0049] Although the preferred embodiments of the utility model have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic creative concept. Therefore, the appended claims are intended to explain the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0050] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. It should be pointed out that any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A propulsion mechanism, characterized in that: It comprises a rotating disk (101) and a first driving device for driving the rotating disk (101) to rotate, wherein the rotating disk (101) is rotatably mounted on the hull (102); The bottom end of the rotating disk (101) is fixedly connected to a housing (103), a propeller (104) is rotatably installed in the housing (103), a second driving device (105) for driving the propeller (104) to rotate is installed on the rotating disk (101), and the propeller (104) is arranged to be tilted downward; The first driving device is installed in the hull (102), a retaining ring (106) is installed on the housing (103), and the retaining ring (106) is coaxially arranged with the propeller (104).

2. A propulsion mechanism according to claim 1, characterized in that: A grid is mounted on the retaining ring (106).

3. A propulsion mechanism according to claim 2, characterized in that: The grille comprises a plurality of concentrically spaced circular rings (107), and a cross bar (108) formed by connecting the plurality of circular rings (107). The cross bar (108) passes through the centers of the circular rings (107), and the circular ring (107) with the largest diameter is connected to the housing (103).

4. A propulsion mechanism according to claim 1, characterized in that: A mounting platform (109) is provided in the hull (102), the rotating disk (101) is rotatably mounted on the mounting platform (109), the first driving device is mounted on the mounting platform (109) and is used to drive the rotating disk (101) to rotate, and the housing (103) is rotatably connected to the hull (102).

5. A propulsion mechanism according to claim 4, characterized in that: An overflow cavity (110) is provided in the mounting platform (109), and a water level monitor (111) is installed on the mounting platform (109).

6. A propulsion mechanism according to claim 5, characterized in that: A sleeve (112) is coaxially fixedly connected in the overflow chamber (110), and the housing (103) and the sleeve (112) are rotationally connected.

7. A propulsion mechanism according to claim 6, characterized in that: A mounting groove (113) is provided in the sleeve (112), and a sealing portion (114) is installed in the mounting groove (113); a bearing is sleeved on the housing (103), and the housing (103) is rotatably mounted in the mounting groove (113) via the bearing, and the sealing portion (114) is provided at the upper and lower ends of the bearing.

8. An unmanned surface boat, characterized by: It comprises a hull (102) and a propulsion mechanism as claimed in any one of claims 1 to 7.

9. The unmanned surface vehicle according to claim 8, characterized in that: A stabilizing plate (115) is fixedly connected to the bottom end of the hull (102), and the stabilizing plate (115) is tilted in a direction away from the hull (102).

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