CN214325348U - Propulsion unit and ship power device - Google Patents

Abstract

The utility model discloses a propulsion device, which relates to the technical field of ship propulsion and comprises a power device, a fixed part and a driving part, wherein the fixed part and the driving part can move relatively; the device comprises a base, a supporting plate and a mounting groove, wherein a supporting surface is formed on the surface of one side of the base; erect in the support of holding surface and found the piece, the fixed part is installed in the first end that supports the piece immediately, supports the second end of standing the piece and inlays in the mounting groove, and the inner wall of mounting groove and the second end surface shape phase-match that supports the piece immediately, the inner wall of mounting groove and the second end surface shape phase-match that supports the piece immediately restrict horizontal degree of freedom and circumference degree of freedom on the holding surface to supporting, the reinforcing supports the connection structure intensity between piece and the base immediately. The utility model also discloses a boats and ships power device, include as above advancing device, compare traditional advancing device and have simple structure, antitorque antidetonation is effectual, need not the bearing lubrication, need not to maintain the maintenance, improves characteristics such as screw antiwind.

Description

Propulsion unit and ship power device

Technical Field

The utility model relates to a propulsive technical field of boats and ships especially relates to a advancing device and boats and ships power device.

Background

The ship power device is power equipment arranged for ensuring the normal operation of a ship, and is used for providing various energies for the ship and using the energies so as to ensure the normal navigation of the ship and the normal life of personnel and finish various operations. The power plant of the ship is all machines and equipment for generating, transmitting and consuming various energies, and is an important component of the ship.

At present boats and ships advancing device adopts the motor drive transmission shaft mostly, the transmission shaft both ends are supported by the bearing, and drive the screw and rotate and produce thrust, however, the motor that is used for exporting propulsion can produce moment of torsion and thrust to the supporting component who is used for supporting the motor when screw and water take place relative motion, moment of torsion and corresponding thrust can produce certain stress between supporting component and advancing device's the bottom plate, thereby let between supporting component and the bottom plate along with the use of motor pine take off gradually, lead to the motor to be fixed insecure, the unstable condition of state, finally reduce advancing device's life.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an one of purpose lies in: the propulsion device absorbs torque and thrust generated by a power device on a supporting vertical piece through the mounting groove, and enhances the stability between the supporting vertical piece and the base.

The embodiment of the utility model provides a second purpose lies in: the utility model provides a boats and ships power device through the stability of being connected between reinforcing support upright and the base, prolongs boats and ships power device's life to solve the above-mentioned problem that exists among the prior art.

In order to achieve one of the purposes, the utility model adopts the following technical scheme:

in one aspect, a propulsion device is provided, which comprises a power device, a driving part and a power device, wherein the power device comprises a fixed part and a driving part which can move relatively, and the driving part is provided with a propeller for outputting propulsion power; the device comprises a base, a supporting plate and a clamping piece, wherein a supporting surface is formed on the surface of one side of the base, and a mounting groove is formed in the supporting surface; erect in the support of holding surface founds the piece, the fixed part install in support the first end of founding the piece, support the second end of founding the piece and inlay in the mounting groove, just the inner wall of mounting groove with support the second end surface shape phase-match that founds the piece.

Further, the power device comprises a stator serving as the fixing part and a rotor serving as the driving part, wherein the rotor is of a cylindrical structure and is rotatably sleeved outside the stator and coaxially connected with the propeller.

Further, the stator is coaxially connected with the rotor, and the first end of the stator is fixedly connected with the supporting vertical piece.

Further, the first end of the stator is of a cylindrical structure, and the diameter of the first end of the stator is consistent with that of the rotor.

Furthermore, a supporting disk with an annular structure is arranged between the stator and the supporting vertical piece; two opposite sides of the supporting plate are respectively and fixedly connected with the supporting vertical piece and the stator, a plurality of mounting holes are formed in the supporting plate around the axis of the supporting plate, and a plurality of threaded holes corresponding to the mounting holes one to one are formed in one side, opposite to the supporting plate, of the stator;

the top of supporting the upright member is embedded in by in the mounting groove that supporting disk one side formed, just the inner wall of mounting groove with the top surface shape phase-match that supports the upright member, the top of supporting the upright member with the screw hole of mounting groove one-to-one.

Furthermore, a cover body is further arranged at the first end of the stator, and the cover body is fixedly connected with the stator and covers one end of the supporting upright piece and the outer part of the supporting disc; the diameter of one end of the cover body connected with the stator is consistent with the diameter of the first end of the stator.

Furthermore, a connecting piece is arranged between the rotor and the propeller, and two opposite ends of the connecting piece are respectively connected with the rotor and the propeller; one end of the connecting piece is of a cone structure and is coaxially connected with the rotor, and the other end of the connecting piece is a short shaft and is coaxially connected with the propeller.

Further, the supporting upright piece is in transition fit with the mounting groove.

The propeller is characterized by further comprising a rectification tail pipe, wherein the rectification tail pipe is fixedly arranged on the base, a through rectification cavity is formed in the rectification tail pipe, and the propeller is rotatably arranged in the rectification cavity; one end of the rectifying cavity, which is far away from the power device, is provided with a plurality of rectifying blades, and the rotating direction of the rectifying blades is opposite to that of the propeller.

To achieve the second purpose, the utility model adopts the following technical scheme:

in another aspect, there is provided a marine vessel power plant comprising a propulsion device as described above.

The utility model has the advantages that: the supporting surface of the base is provided with an installation groove, a supporting vertical piece for fixing the power device is erected on the supporting surface, the supporting vertical piece is embedded in the installation groove, the shape of the inner wall of the installation groove is matched with that of the outer surface of the second end of the supporting vertical piece, so that the groove wall of the installation groove can be tightly pressed on the outer surface of the supporting vertical piece, the horizontal freedom degree and the circumferential freedom degree of the supporting vertical piece on the supporting surface are limited, and the strength of a connecting structure between the supporting vertical piece and the base is enhanced;

in addition, the mounting groove can offset and absorb the torque and thrust generated by the propeller on the supporting vertical member in the operation process of the power device, so that the possibility that the supporting vertical member is loosened from the base is reduced, and the stability of the whole structure of the propulsion device is improved;

the propulsion device structure is applied to the ship power device, so that the structural strength of the ship power device and the stability of the operation process can be improved, and the service life of the ship power device is prolonged.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of a propulsion device according to an embodiment of the present invention;

fig. 2 is a second schematic structural view of a propulsion device according to an embodiment of the present invention;

fig. 3 is a front view of a propulsion device according to an embodiment of the present invention;

fig. 4 is an exploded view of a propulsion device according to an embodiment of the present invention;

fig. 5 is an exploded view of a second embodiment of the propulsion device of the present invention;

fig. 6 is a side view of a propulsion device according to an embodiment of the present invention.

In the figure: 10. a power plant; 11. a stator; 12. a rotor; 13. a propeller; 14. a cover body; 121. a connecting member; 122. a minor axis; 20. a base; 21. a support surface; 22. mounting grooves; 23. a cover plate; 30. a support upright; 31. a support disc; 311. mounting holes; 40. a tail pipe for rectification; 41. a rectification cavity; 42. a rectifying blade; 43. a first mounting projection; 44. and a second mounting lug.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Fig. 1 to 6 show a propulsion device, which can be used as a ship power device, specifically, the propulsion device includes a power device 10 for outputting propulsion power, the power device 10 includes a fixed portion and a driving portion, the fixed portion and the driving portion are movable relative to each other, the driving portion is mounted with a propeller 13 for outputting propulsion power, during the movement of the driving portion relative to the fixed portion, the propeller 13 can rotate around its rotation axis and move relative to water, and a certain thrust is generated to water by blades with a certain rotation direction on the propeller 13, and the water can generate a certain reaction force to the blades, so as to drive the power device 10 in a certain direction.

In order to support the power device 10, the propulsion device further includes a base 20, the base 20 serves as a support body of the power device 10 and functions to connect the ship and the power device 10, and the power device 10 generates a certain torque and thrust to the base 20 during driving, so as to push the ship to move in a direction opposite to the direction of the power output by the propulsion device. In this embodiment, the base 20 is a plate, one surface of the base 20 is formed with a supporting surface 21, the supporting surface 21 is a planar structure in this embodiment, so as to facilitate the installation of the component, and in order to solve the technical problems mentioned in the background art, the supporting surface 21 is provided with an installation groove 22, the installation groove 22 in this embodiment is provided with a structure recessed in the supporting surface 21, specifically, the installation groove 22 can be formed on the supporting surface 21 by processing a sunken groove on the supporting surface 21 by a numerical control processing center or by processing methods such as casting and reverse molding, and the installation groove 22 can also be enclosed by related structures such as a convex rib, a convex platform, a limiting seat, and the like provided on the supporting surface 21 to form a groove body, and an external groove body structure can also be installed on the supporting surface 21 by a corresponding connecting member 121.

Further, a supporting upright 30 erected on the supporting surface 21, a fixing portion installed at a first end of the supporting upright 30 to enable the supporting upright 30 to support and fix the power device 10, a second end of the supporting upright 30 is embedded in the mounting groove 22 to enable the power device 10 to be erected on the base 20 to enable the power device 10 to apply thrust to the base 20, an inner wall of the mounting groove 22 is matched with an outer surface shape of a second end of the supporting upright 30, the supporting upright 30 is in transition fit with the mounting groove 22 to enable a groove wall of the mounting groove 22 to be as tight as possible on an outer surface of the first end of the supporting upright 30, after the supporting upright 30 is mounted in the mounting groove 22, the bottom of the first end of the supporting upright 30 and the supporting surface 21 can be further fixed through a connecting member 121 such as a screw, a bolt and the like, of course, the fixing connection manner such as welding, bonding and the like is not limited, thereby improving the connection strength between the supporting upright 30 and the base 20, the mounting groove 22 can effectively absorb and offset the torque and thrust generated by the power device 10 on the base 20 in the operation process, thereby improving the stability between the supporting upright member 30 and the base 20, reducing the possibility of loosening between the two, prolonging the service life of the power device 10 and reducing the maintenance and repair times.

In this example, a cover plate 23 is further provided at the end of the base 20, and the cover plate 23 is used for installing an opening for pouring sealant into the whole propulsion unit and the ship body, so that the installation is convenient.

Specifically, the power device 10 in this embodiment is an outer rotor 12 motor, the power device 10 includes a stator 11 as a fixed portion and a rotor 12 as a driving portion, and the rotor 12 is a cylindrical structure and is rotatably sleeved outside the stator 11 and coaxially connected with the propeller 13.

In order to further improve the stability between the power device 10 and the supporting upright 30, a supporting disk 31 with an annular structure is arranged between the stator 11 and the supporting upright 30, and the supporting disk 31 has a certain thickness so as to have certain structural strength; the both sides that the supporting disk 31 is relative respectively with support stand 30 and stator 11 fixed connection, and supporting disk 31 one side is provided with the mounting groove and supports the screw hole of stand 30 one-to-one, and the inner wall of mounting groove and the top surface shape phase-match that supports stand 30 absorb the moment of torsion and the vibration of power device 10 transmission after the assembly to reduce the possibility that takes off between the two.

A plurality of mounting holes 311 are formed in the other side of the supporting plate 31 around the axis of the supporting plate, a plurality of threaded holes corresponding to the mounting holes 311 in a one-to-one mode are formed in the side, opposite to the supporting plate 31, of the stator 11, the diameter of the outer surface of the supporting plate 31 is consistent with the diameter of the first end of the stator 11, and the overall structure compactness and the integrity of the propelling device can be improved after the propelling device is assembled.

The first end of the stator 11 is further provided with a cover 14, the cover 14 is fixedly connected with the stator 11 and covers one end of the supporting upright 30 and the outside of the supporting disc 31, so that dust or other foreign matters can be prevented from entering among the supporting upright 30, the supporting disc 31 and the stator 11 and affecting the connection strength of the supporting upright 30, the supporting disc 31 and the stator 11; the diameter of the end of the cover body 14 connected with the stator 11 is consistent with the diameter of the first end of the stator 11, so that the integrity of the propulsion device can be further ensured.

As a preferred embodiment of the power device 10, a connecting piece 121 is arranged between the rotor 12 and the propeller 13, and two opposite ends of the connecting piece 121 are respectively connected with the rotor 12 and the propeller 13; one end of the connecting piece 121 is a cone structure and is coaxially sleeved on the rotor 12, the other end of the connecting piece 121 is a short shaft 122 and is coaxially connected with the propeller 13, and the connecting piece is used for transmitting power output by the rotor 12 to the propeller 13, the propeller 13 is driven to rotate through the short shaft 122 on the connecting piece 121 when the rotor 12 of the power device 10 rotates, thrust is generated, a ship is pushed to advance or retreat, the short shaft 122 rotates and supports the propeller without depending on a support bearing and lubricating oil, the whole propelling device is simplified, reliability is improved, the propeller 13 is supported through the connecting piece 121, the structure of a traditional transmission shaft for driving and supporting the propeller 13 is omitted, lubrication maintenance is not needed, and the problem of winding of aquatic weeds is remarkably reduced.

In order to ensure that the propulsion device also comprises a rectification tail pipe 40, the rectification tail pipe 40 is fixedly arranged on the base 20, a through rectification cavity 41 is formed in the rectification tail pipe 40, and the propeller 13 is rotatably arranged in the rectification cavity 41; the end of the rectifying cavity 41 far away from the power device 10 is provided with a plurality of rectifying blades 42, the rotating direction of the rectifying blades 42 is opposite to that of the propeller 13, and when the propeller 13 rotates, the rectifying blades 42 improve the circular motion of water flow, so that the efficiency of the propeller device is improved. When the propeller 13 rotates, the efficiency of the propeller 13 and the anti-winding capacity of the propeller 13 can be effectively improved.

The bottom of the rectifying tail pipe 40 is provided with a first mounting lug 43 and a second mounting lug 44, wherein the first mounting lug 43 is smaller than the second mounting lug 44 and is used for fixing the rectifying tail pipe 40 and the ship body, the second mounting lug 44 is used for fixing the rectifying tail pipe 40 and the base 20, and the arrangement of the two lugs plays a role in positioning the propulsion unit and transmitting the stress and vibration of the propulsion unit to the shell of the ship.

The embodiment also provides a ship power device, which comprises the propulsion device, so that the power device 10 of the ship can be more stable, and the service life of the power device 10 can be prolonged.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. A propulsion device, comprising:

the power device (10) comprises a fixed part and a driving part which can move relatively, and the driving part is provided with a propeller (13) used for outputting propulsion power;

the device comprises a base (20), wherein a supporting surface (21) is formed on one side surface of the base, and a mounting groove (22) is formed in the supporting surface (21);

erect in support stand (30) of holding surface (21), the fixed part install in support the first end of stand (30), support the second end of stand (30) and inlay in mounting groove (22), just the inner wall of mounting groove (22) with support the second end surface shape phase-match of stand (30).

2. A propulsion device according to claim 1, characterised in that the power unit (10) comprises a stator (11) as the fixed part and a rotor (12) as the driving part, the rotor (12) being of a cylindrical structure and rotatably fitted over the stator (11) in coaxial connection with the propeller (13).

3. A propulsion device according to claim 2, characterised in that the stator (11) is coaxially connected to the rotor (12), the first end of the stator (11) being fixedly connected to the supporting upright (30).

4. A propulsion device according to claim 3, characterised in that the first end of the stator (11) is of cylindrical configuration, the diameter of the first end of the stator (11) corresponding to the diameter of the rotor (12).

5. The propulsion device according to claim 4, characterized in that a support disc (31) of annular structure is arranged between the stator (11) and the support uprights (30); the two opposite sides of the supporting plate (31) are respectively and fixedly connected with the supporting vertical piece (30) and the stator (11), a plurality of mounting holes (311) are formed in the supporting plate (31) around the axis of the supporting plate, and a plurality of threaded holes corresponding to the mounting holes (311) one by one are formed in one side, opposite to the supporting plate (31), of the stator (11);

the top of supporting upright piece (30) is embedded in the mounting groove formed by one side of the supporting disc (31), the inner wall of the mounting groove is matched with the shape of the outer surface of the top of the supporting upright piece (30), and the top of the supporting upright piece (30) is in threaded holes in one-to-one correspondence with the mounting groove.

6. The propulsion device according to claim 5, characterized in that the first end of the stator (11) is further provided with a cover body (14), the cover body (14) is fixedly connected with the stator (11) and covers one end of the supporting upright (30) and the outside of the supporting disk (31);

the diameter of one end of the cover body (14) connected with the stator (11) is consistent with the diameter of the first end of the stator (11).

7. A propulsion device according to any one of claims 2-6, characterised in that a connection member (121) is arranged between the rotor (12) and the propeller (13), said connection member (121) being connected at opposite ends to the rotor (12) and the propeller (13), respectively;

one end of the connecting piece (121) is of a cone structure and is coaxially connected to the rotor (12), and the other end of the connecting piece (121) is of a short shaft (122) and is coaxially connected with the propeller (13).

8. A propulsion device according to any one of claims 2-6, characterised in that the support uprights (30) are transition-fitted with the mounting slots (22).

9. The propulsion device according to claim 1, characterized by further comprising a rectifying tail pipe (40), wherein the rectifying tail pipe (40) is fixedly arranged on the base (20), a rectifying cavity (41) is formed in the rectifying tail pipe (40) in a penetrating mode, and the propeller (13) is rotatably arranged in the rectifying cavity (41);

one end, far away from the power device (10), of the rectifying cavity (41) is provided with a plurality of rectifying blades (42), and the rotating direction of the rectifying blades (42) is opposite to that of the propeller (13).

10. A marine power plant, comprising:

a propulsion device according to any one of claims 1 to 9.

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