CN218229373U - Propeller and water area movable equipment - Google Patents

Abstract

The application provides a propeller and a water area movable device. Wherein, the propeller is used for being connected to the hull of waters movable equipment in order to promote waters movable equipment to remove, and the propeller includes frame, connecting axle, drain pan, first motor and propulsion oar. The frame is for attachment to a hull. The connecting shaft extends along a first direction; one end of the connecting shaft is connected to the frame and can be tilted relative to the hull through the frame. The bottom shell is connected to one end, far away from the rack, of the connecting shaft. The propelling paddle is rotatably connected to the bottom shell; the first motor is in transmission connection with the propelling paddle and is used for driving the propelling paddle to rotate to generate a driving force; the electric control assembly is electrically connected with the first motor and is used for controlling the first motor to operate; the electric control assembly is fixedly connected with the frame. The beneficial effect of this application is that the rotation load is less.

Description

Propeller and water area movable equipment

Technical Field

The application relates to the technical field of ship power propellers, in particular to a propeller and a water area movable device.

Background

The propeller is a power device of the water area movable equipment and is used for pushing the water area movable equipment to move in the water area.

Some propellers need to drive structures such as an electric control assembly to rotate together when turning, and the rotating load is large.

SUMMERY OF THE UTILITY MODEL

The application provides a propeller and waters movable equipment that rotation load is less.

The application provides a propeller for be connected to a waters movable equipment's hull and remove in order to promote waters movable equipment, the propeller includes frame, automatically controlled subassembly, connecting axle, drain pan, first motor and propulsion oar. The frame is for connection to the hull. The connecting shaft extends along a first direction; one end of the connecting shaft is connected to the rack and can be tilted relative to the ship body through the rack. The bottom shell is connected to one end, far away from the rack, of the connecting shaft. The propelling paddle is rotatably connected to the bottom shell; the first motor is in transmission connection with the propelling paddle and is used for driving the propelling paddle to rotate to generate a driving force; the electric control assembly is electrically connected with the first motor and is used for controlling the first motor to operate; the electric control assembly is fixedly connected with the frame.

In the propeller operation in this application, when the connecting axle did not rise to stick up, the propulsion oar can produce the driving force that promotes waters mobile device and remove with water interact under the drive of first motor. And, because automatically controlled subassembly fixed connection frame, when advancing the oar and turning to, need not to drive automatically controlled subassembly and rotate in the lump, reduced and rotated the load, and the electric connecting wire of installing between the battery pack of hull and automatically controlled subassembly sets up conveniently, and this wire can not restrict the connecting axle and drive and advance the oar and turn to make connecting axle and advancing the oar and can keep great steering angle. Moreover, the wiring between the electric control assembly and the battery assembly cannot swing when the propeller is pushed to turn, the problem that the space of the ship body is reduced due to the swing of the wiring is solved, and the activity space of a user in the ship body is large.

The propeller in this application embodiment, the rotation load is less, and turned angle is great, turns to and occupies that the hull space is little.

The present application further provides a waters mobile device, including hull and aforementioned propeller, the propeller install in the hull.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a water area movable apparatus according to an embodiment of the present application in use;

fig. 2 is a schematic structural diagram of a first motor in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another embodiment of a first electric machine in an example of the present application;

FIG. 4 is a schematic structural diagram of another embodiment of a first electric machine in an example of the present application;

FIG. 5 is a schematic structural diagram of another embodiment of a first electric machine in an example of the present application;

fig. 6 is a schematic view of the lower structure of a propeller in an embodiment of the present application;

FIG. 7 is a schematic view of another embodiment of the lower structure of the propeller in an embodiment of the present application;

FIG. 8 is a schematic view of another embodiment of the lower structure of the propeller in an embodiment of the present application;

FIG. 9 is a schematic view of another embodiment of the lower structure of the propeller in an embodiment of the present application;

FIG. 10 is a schematic view of another embodiment of the lower structure of the propeller in an embodiment of the present application;

FIG. 11 is a schematic view of another embodiment of the lower structure of the propeller in an embodiment of the present application;

FIG. 12 is a schematic view of another embodiment of the lower structure of the propeller in an embodiment of the present application;

fig. 13 is a schematic view of another heat dissipation form of the propeller in the embodiment of the present application;

FIG. 14 is a schematic illustration of another embodiment of a water area movable apparatus in an embodiment of the present application;

fig. 15 is a schematic view illustrating a connection relationship between the frame, the first supporting member, the second supporting member and the connecting shaft in the embodiment of the present application;

FIG. 16 is a schematic view of another embodiment of a water movable apparatus in an embodiment of the present application.

Description of the main element symbols:

water area mobile device 300

Hull 310

Battery assembly 311

Propeller 100

Rack 10

First structure part 11

Second structure part 12

Connecting shaft 20

Bottom case 30

Bearing 32

Main frame support 33

Steering drive mechanism 34

First electric machine 40

Stator 41

Rotor 42

Output shaft 43

Heat conducting structure 46

Propulsion paddle 50

Clamp 61

Warping actuator 62

First support 63

First damping sleeve 631

First bearing 632

First damper shaft 633

Second support member 64

Second damping sleeve 641

Second bearing 642

Second damper shaft 643

Damping mount 65

First shock absorption suspension 651

Second shock mount 652

Rotating shaft member 66

Cooling liquid 67

Second electric machine 68

Water pressing plate 70

Water knife plate 71

Transmission mechanism 80

Bevel gear pair 801

Speed change assembly 802

First bevel gear 81

Second bevel gear 82

First gear 83

Second gear 84

Third gear 85

Fourth gear 86

Cooling system 90

Pump 91

Delivery conduit 92

Shaft hole K1

Liquid inlet K3

Liquid outlet K4

Water level L1

Front end face P1

Hull space Q1

Inner space Q2

First space Q3

Second space Q4

Second direction X

First direction Z

Electronic control assembly 260

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Examples

Referring to fig. 1, the present embodiment provides a water area movable apparatus 300, and the water area movable apparatus 300 may be various water area vehicles such as a commercial ship, a passenger ship, a yacht, a fishing boat, a sailing boat, and a civil ship. Water area movable apparatus 300 includes hull 310 and propulsion 100.

The hull 310 can provide a certain buoyancy so that the water movable apparatus 300 can float on the water surface L1 and can carry people or things. The hull 310 has a hull space Q1 for being able to accommodate people and things or other structures. The specific structure of the hull 310 may be arranged as desired.

The propeller 100 is mounted to the hull 310 for providing a propulsive force to propel the water movable apparatus 300 to move through the water.

In some embodiments, propulsion 100 is primarily powered by electricity, in which case water area movable apparatus 300 further includes a battery assembly 311 for powering propulsion 100. Battery assembly 311 may include a number of batteries for storing and supplying power to mover 100. Alternatively, the battery assembly 311 employs a rechargeable secondary battery. The battery assembly 311 may be mounted on the ship body 310, for example, in the ship body space Q1, or may be mounted at a suitable position of the propeller 100.

Referring to fig. 1, the propeller 100 in the present embodiment includes a frame 10, an electric control assembly 260, a connecting shaft 20, a bottom case 30, a first motor 40, and a propeller 50. The battery assembly 311 is electrically connected to the first motor 40, and is configured to supply power to the first motor 40. The frame 10 is connected to the hull 310, the connecting shaft 20 extends along a first direction Z (in the state of fig. 1, the first direction Z is a gravity direction), one end of the connecting shaft 20 is connected to the frame 10 and can be tilted relative to the hull 310 through the frame 10 (a tilting manner and a tilting structure will be described later), and the bottom shell 30 is connected to one end of the connecting shaft 20 away from the frame 10. The propulsion paddle 50 is rotatably connected to the bottom shell 30; the first motor 40 is in transmission connection with the propelling paddle 50 and is used for driving the propelling paddle 50 to rotate to generate a driving force; the electric control assembly 260 is electrically connected to the first motor 40 and is used for controlling the operation of the first motor 40; the connecting shaft 20 is rotatably connected with the frame 10 and is used for driving the bottom shell 30 to rotate relative to the frame 10; the electronic control assembly 260 is fixed relative to the connecting shaft 20.

In this embodiment, a first support 63 and a second support 64 are connected to the frame 10, and the first support 63 and the second support 64 are spaced apart from each other along the first direction Z. One end of the connecting shaft 20 is rotatably connected to the first support 63 and the second support 64, and the rotating shaft thereof is along the first direction Z. The electronic control assembly 260 is fixedly connected between the first support 63 and the second support 64. That is, in this embodiment, the electric control assembly 260 is fixedly connected to the frame 10 through the first supporting member 63 and the second supporting member 64, so as to be relatively fixed to the frame 10, so that when the propulsion paddle 50 turns, the electric control assembly 260 does not need to be driven to rotate together, thereby reducing the rotation load, and the electric connection wire between the battery assembly 311 and the electric control assembly 260 is conveniently disposed, and the wire does not limit the rotation of the connecting shaft 20 relative to the first supporting member 63 and the second supporting member 64, so that the connecting shaft 20 and the propulsion paddle 50 can keep a relatively large turning angle. Moreover, the wiring between the electric control assembly 260 and the battery assembly 311 cannot swing when the propulsion paddle 50 turns, so that the problem that the space of the ship body is reduced due to the swing of the wiring is solved, and the movement space of a user in the ship body is large.

Optionally, the frame 10 includes a first structure portion 11 and a second structure portion 12, the first structure portion 11 extends substantially along the first direction Z, and the second structure portion 12 is connected to an end of the first structure portion 11 away from the bottom shell 30 and extends to a side away from the connecting shaft 20. The first support 63 and the second support 64 are fixed to the first structure portion 11, respectively.

In other embodiments, the electronic control assembly 260 may also be mounted directly on the rack 10.

When the propeller 100 in the embodiment of the present application is used, the propeller 50 may interact with water under the driving of the first motor 40 to generate a driving force for driving the water area movable device 300 to move when the connecting shaft 20 is not tilted. Moreover, the electric control assembly 260 is relatively fixed with the frame 10, so that when the propulsion paddle 50 turns, the electric control assembly 260 does not need to be driven to rotate together, the rotation load is reduced, and the rotation is not limited by a wire.

Because the first motor 40 is disposed on the bottom casing 30 and thermally coupled to the bottom casing 30, heat generated during the operation of the first motor 40 can be transferred into water through the bottom casing 30, so that the heat dissipation effect is good, and the dependence on an additionally designed heat dissipation system (such as an additionally designed air cooling system, a pump element water pumping cooling system, etc.) can be reduced. In the case that the heat dissipation requirement can be satisfied by the conductive heat dissipation of the bottom case 30, the aforementioned heat dissipation system with additional design can be completely omitted.

In some embodiments, the bottom case 30 defines an internal space Q2, and the first motor 40 is disposed in the internal space Q2 of the bottom case 30 and thermally coupled with the bottom case 30. Compared with the prior art that the first motor 40 is disposed on water and a heat dissipation system such as a water cooling system needs to be additionally configured, the propeller 100 of this embodiment has the following advantages: the radiating effect is better, and the heat dissipation route is short, or can simplify/cancel the additional heat dissipation system who designs, and heat radiation structure occupation space is little, simple structure, cost are lower.

In addition, compared with the prior art, the relative position of the first motor 40 and the propelling paddle 50 is smaller, the transmission path is shorter, and the propelling efficiency is higher. Moreover, the first motor 40 is located in the inner space Q2 of the bottom shell 30 and is far away from the user on the hull 310, and the noise generated by the first motor 40 has less influence on the user due to the absorption and blockage of the structures such as the bottom shell 30.

In this embodiment, the bottom case 30 may be a shell-shaped structure made of a heat conductive material such as aluminum alloy, and the inner space Q2 surrounded by the bottom case is used for placing the first motor 40. A heat conducting structure 46, such as a heat conducting silicone, may be disposed between the first motor 40 and the bottom housing 30. Thus, when the water area movable device 300 is driven, the bottom case 30 is at least partially immersed in water and is in good contact with water for heat conduction, and heat generated when the first motor 40 operates can be transferred to the bottom case 30 through the heat conduction structure 46 and then transferred to water through the bottom case 30, so that heat dissipation of the first motor 40 is realized.

In this embodiment, the propulsion paddle 50 may be a propeller that is driven to rotate to propel the water movable apparatus 300.

Referring again to fig. 1, in some embodiments, the propeller 100 further includes a water pressing plate 70. The water pressurizing plate 70 has a substantially plate-like structure perpendicular to the direction of gravity. The water pressing plate 70 is connected to the bottom casing 30, and the water pressing plate 70 and the bottom casing 30 may be integrally cast or may be two separately formed members connected together by means of screw connection, welding, etc.

In this embodiment, the water pressing plate 70 is connected to the lower case 30 at a position closer to the upper side (the side closer to the frame 10), extends to the side away from the hull 310, and is located above the propulsion paddle 50. In this way, the propulsion paddle 50 is located at the side of the water pressing plate 70 far from the frame 10, and the water waves caused by the operation of the propulsion paddle can be controlled under the water pressing plate 70, thereby reducing the wave resistance of the water area movable apparatus 300.

In some embodiments, the water platen 70 and the bottom casing 30 are in thermal communication, i.e., the water platen 70 and the bottom casing 30 transfer heat to each other. For example, the water pressure plate 70 and the bottom casing 30 may be integrally formed by the same heat conductive material (e.g., aluminum alloy), or may be connected by a heat conductive material (e.g., metal with good heat conductivity). Therefore, the heat conducted to the bottom casing 30 can be quickly conducted to the water pressing plate 70 and then conducted to the water in addition to being directly conducted to the water, which is equivalent to increase the heat dissipation area. In addition, for the embodiment in which the water pressing plate 70 is located above the propelling paddle 50, under the pushing of the propelling paddle 50, water flows through the water pressing plate 70 at a relatively high speed, and heat on the water pressing plate 70 can be taken away quickly and efficiently, so that heat of the first motor 40 can be conducted into the water body through the bottom shell 30 and the water pressing plate 70 relatively quickly.

In some embodiments, the lower surface of the water pressing plate 70 is provided with a water knife plate 71, and the water knife plate 71 is vertically disposed to improve the turning performance of the water area movable apparatus 300.

It can be understood that the bottom shell 30 and the connecting shaft 20 may be fixedly connected, so that the connecting shaft 20 rotates relative to the frame 10, and the connecting shaft 20 drives the bottom shell 30 to rotate, and finally, the propulsion direction of the propeller 100 is turned. The bottom shell 30 and the connecting shaft 20 may also be rotatably connected, the connecting shaft 20 is fixed relative to the frame 10, and the bottom shell 30 rotates relative to the frame 10, so as to finally realize the propulsion direction turning of the propeller 100.

Referring to fig. 2, in one embodiment, the first motor 40 may be a double stator single rotor motor, including two stators 41 and one rotor 42, the two stators 41 being arranged side by side and electromagnetically engaged with the one rotor 42, respectively, for commonly driving the rotor 42 to rotate. The output shaft 43 of the first motor 40 is connected to the rotor 42 for outputting torque. The use of two stators 41 to drive one rotor 42 can increase the drive force or maintain a smaller cross-sectional area while ensuring a certain drive force. Compared with two thin and short motors which are connected in parallel, the motor has the advantages of being smaller in length and smaller in occupied size.

Referring to fig. 3, in one embodiment, the first motor 40 is a single stator and single rotor motor, and includes a stator 41 and a rotor 42, and the stator 41 and the rotor 42 are corresponding to drive the rotor 42 to rotate. The output shaft 43 of the first motor 40 is connected to the rotor 42 for outputting torque. In order to obtain a sufficient driving force, the first motor 40 is shorter and thicker than the solution shown in fig. 2.

Referring to fig. 4, in one embodiment, the first motor 40 is a single-stator dual-rotor motor, and includes a stator 41 and two rotors 42, and the stator 41 and the two rotors 42 respectively correspond to each other for driving the two rotors 42 to rotate. An output shaft 43 of the first motor 40 is connected to the rotor 42 for outputting torque. The use of two stators 41 to drive one rotor 42 can increase the drive force or maintain a smaller cross-sectional area while maintaining a certain drive force.

Referring to fig. 5, in one embodiment, the first motor 40 is a dual-stator dual-rotor motor, and includes two stators 41 and two rotors 42, and the two stators 41 and the two rotors 42 correspond to each other for driving the rotors 42 to rotate respectively. An output shaft 43 of the first motor 40 is connected to the rotor 42 for outputting torque. The first motor 40 adopts a manner of matching the two stators 41 and the two rotors 42, so that the driving force can be increased, or a smaller sectional area can be kept on the premise of ensuring a certain driving force.

It is understood that a cross section of the first motor 40 perpendicular to the direction of the output shaft 43 is defined as a cross section. In the embodiment of fig. 2, 4 and 5, the power output shaft of the first motor 40 is coaxial with the power shaft of the propelling paddle 50, the cross section of the first motor 40 is smaller than that of the first motor 40 of the embodiment of fig. 3, and the number of the stators 41 or the number of the rotors 42 is increased in a direction parallel to the power output shaft 43, or the number of the stators 41 and the number of the rotors 42 are increased, so that the power of the first motor 40 can be kept not to be reduced or even increased in the case of reducing the cross section. Under this structure, the resistance of the first motor 40 to the water facing the propulsion paddle 50 is reduced, and the power is not reduced, even can be increased, and because the way of increasing the length of a single stator and a single rotor is avoided, the requirements of easy production and high manufacturing yield of the first motor 40 are met. Of course, the embodiment of the present application is not limited to the first motor 40 in the embodiment of fig. 2, 4, and 5 being disposed in a configuration in which the power output shaft is coaxial with the propeller 50, that is, the power output shaft of the first motor 40 in the embodiment of fig. 2, 4, and 5 may be the power shaft of the vertical propeller 50, or the power shaft of the parallel propeller 50 but offset from the power shaft of the propeller 50.

It will also be appreciated that in the embodiment of fig. 3, the first motor 40 has a larger cross-section than the first motor 40 of the embodiment of fig. 2, 4, 5, while maintaining the same power in the embodiment of fig. 2, 4, 5, the first motor 40 of the embodiment of fig. 3. In the embodiment of fig. 3, the output shaft 43 of the first motor 40 may be disposed coaxially with the power shaft of the propeller 50, so that the water resistance of the first motor 40 to the propeller 50 is increased compared to the embodiments of fig. 2, 4 and 5. In this structure, although the propulsion efficiency of the propulsion paddle 50 is reduced by the first motor 40, the first motor 40 still satisfies the requirement of being thermally coupled with the bottom casing 30, and the first motor 40 can still achieve good cooling and heat dissipation through the bottom casing 30, so that embodiments in this structure also belong to the embodiments of the present application. Of course, in the embodiment of fig. 3, the first motor 40 is not limited to the above layout mode in which the output shaft 43 is coaxial with the power shaft of the propeller 50, and the output shaft 43 of the first motor 40 may be perpendicular to the power shaft of the propeller 50, or parallel to but offset from the power shaft of the propeller 50, so as to reduce the water resistance of the first motor 40 to the propeller 50 and improve the propulsion efficiency. In the embodiment of the present application, the position of the first motor 40 is not limited to the above-mentioned embodiments, and any configuration that can satisfy the requirement that the first motor 40 is thermally coupled to the bottom casing 30 and the first motor 40 can perform heat exchange with the external water through the bottom casing 30 to dissipate heat belongs to the embodiment of the present application.

In the embodiment of the present application, the configuration in which the stator 41 of the first motor 40 is disposed on the outer periphery of the rotor 42 and the configuration in which the rotor 42 of the first motor 40 is disposed on the outer periphery of the stator 41 do not belong to the embodiments of the present application.

Referring to fig. 6 (see also fig. 1), in some embodiments, the first motor 40 is located on a side of the water pressure plate 70 that is away from the housing 10. At this time, the first motor 40 is substantially located at a portion of the bottom case 30 submerged in water, and can directly conduct generated heat to the water through a portion of the bottom case 30 contacting the water, so that the heat dissipation efficiency is high.

In this embodiment, the first motor 40 may be horizontally disposed (i.e., disposed along the second direction X in the drawing) and coaxially connected to the propelling paddle 50. The front end surface P1 of the first motor 40 is attached to the surface of the bottom case 30 near the propelling paddle 50. The front end surface P1 of the first motor 40 is attached to the bottom case 30, so that the heat of the first motor 40 is conducted to the bottom case 30. Of course, as described above, the heat conducting structure 46 such as heat conducting silicone gel may be filled between the front end face P1 of the first motor 40 and the bottom casing 30 to improve the heat conducting capability of the two. In this embodiment, the propeller 50 is optionally rotatably engaged with the bottom housing 30, and the output shaft 43 of the first motor 40 is connected to the propeller 50 for driving the propeller 50 to rotate. In this embodiment, the first motor 40 correspondingly propels the paddle 50 in the horizontal direction, and will cause a certain blockage to the paddle 50, and if the first motor 40 in the form of the aforementioned double-stator double-rotor, double-stator single-rotor, or single-stator double-rotor is adopted, the first motor 40 can have a smaller cross-sectional area on the premise of ensuring the required driving force, so as to reduce the blockage of the first motor 40 to the paddle 50, and meet the requirements of easy manufacture of the first motor 40 and high production yield.

In other embodiments, the first motor 40 and the propulsion paddle 50 may be staggered to reduce the blocking of the first motor 40 to the propulsion paddle 50, that is, to reduce the water-facing resistance of the first motor 40 to the propulsion paddle 50 by reducing the blocking area of the first motor 40 to the propulsion paddle 50.

For example, as shown in fig. 7, the first motor 40 is rotated 90 degrees to move its output shaft 43 vertically and in a first direction Z a certain distance to be offset from the propulsion paddle 50 in the first direction Z, and then the transmission mechanism 80 (e.g., bevel gear pair 801) is used to realize the transmission of 90-degree rotation angle. The bevel gear pair 801 includes a first bevel gear 81 and a second bevel gear 82, the first bevel gear 81 is connected to the output shaft 43 of the first motor 40, and the second bevel gear 82 is connected to the propulsion paddle 50. In this way, the power of the output shaft 43 of the first motor 40 can be transmitted to the propeller 50, and the propeller 50 is driven to rotate. The first bevel gear 81 and the second bevel gear 82 can be in equal ratio transmission, and can also be in speed reduction transmission or speed increase transmission.

In this embodiment, the first motor 40 is vertically disposed, and the stator 41 and the rotor 42 of the first motor 40 are housed in the internal space Q2. A heat conductive structure 46 is provided between the stator 41 and the rotor 42 and the inner wall of the bottom case 30 to achieve thermal coupling with the bottom case 30. Specifically, the heat conducting structure 46 is heat conducting oil for soaking the first motor 40, that is, both the stator 41 and the rotor 42 are in contact with the heat conducting structure 46. A heat conductive structure 46 is injected into the inner space Q2 defined by the bottom case 30, thereby thermally coupling the first motor 40 with the bottom case 30. On one hand, the heat conducting structure 46 may transfer heat of the first motor 40 to the bottom case 30, so as to achieve heat dissipation and cooling of the first motor 40; on the other hand, the heat conducting structure 46 has an insulating and lubricating effect, so that the stator 41 and the rotor 42 are ensured to be in an insulating environment, and the stator 41, the rotor 42 and the output shaft 43 are lubricated to reduce the internal rotation resistance of the first motor 40. Optionally, the first motor 40 further includes an oil throwing structure fixed to the output shaft 43, and the oil throwing structure is accommodated in the internal space Q2 and used for throwing the heat conducting oil to the periphery of the first motor 40, and finally flows to contact with the inner wall of the bottom casing 30 after uniformly contacting the surface of the first motor 40, so as to achieve uniform heat dissipation of the first motor 40. Of course, in other embodiments, the heat conducting structure 46 may also be a heat conducting silicone disposed between the stator 41 and the bottom case 30, or a heat conducting cotton disposed between the stator 41 and the bottom case 30, or a heat conducting metal disposed between the stator 41 and the bottom case 30.

Referring to fig. 8, the transmission mechanism 80 between the output shaft 43 of the first motor 40 and the propulsion paddle 50 may further include a speed change assembly 802. For example, the transmission assembly 802 is constituted by a transmission gear set, and the transmission assembly 802 includes a first gear 83, a second gear 84, a third gear 85, and a fourth gear 86. The output shaft 43 of the first motor 40 is connected with a first gear 83, the first gear 83 is meshed with a second gear 84, the second gear 84 and a third gear 85, and the third gear 85 is meshed with a fourth gear 86, so that the first gear 83, the second gear 84 and the third gear 85 are fixedly connected with each other to rotate at the same speed, and the propulsion paddle 50 and the fourth gear 86 are fixed with each other to rotate at the same speed. In some embodiments, the speed change assembly is a speed reduction mechanism, and the first motor 40 outputs a reduced speed and an increased torque to the propulsion paddle 50.

In this embodiment, the speed changing assembly 802 may be integrally integrated with the first motor 40. That is, the first motor 40 is a reduction motor with a reduction mechanism.

The transmission mechanism 80 (e.g., the transmission assembly 802 and the bevel gear pair 801) in this embodiment can be integrated in the bottom case 30 to dissipate heat together with the first motor 40, thereby reducing the requirement for an additional heat dissipation structure. The first motor 40, the transmission mechanism 80 and other structures are integrated with the underwater part (including the bottom shell 30), so that the material consumption of the shell can be reduced, and the resource waste is reduced. The integrated arrangement of the first motor 40 and the speed changing assembly 802 can also reduce underwater water resistance. The integration of the propeller 50 and the transmission assembly 802 also reduces the number of bearings required. The speed change assembly 802 is disposed in the underwater portion of the propeller 100, and noise is isolated by water, so that sound is reduced and influence on a user is reduced.

In some embodiments, the first motor 40, the speed change assembly 802, and the propulsion paddle 50 are all disposed coaxially. The portion of the speed change assembly 802 located on the axial direction of the output shaft 43 is defined as a motor shielding portion, and the speed change assembly 802 may partially constitute the motor shielding portion or may entirely constitute the motor shielding portion. The cross-sectional area of the motor shielding part of the speed change component 802 in the direction perpendicular to the output shaft 43 is smaller than the cross-sectional area of the first motor 40 in the direction perpendicular to the output shaft 43, so that the speed change component 802 does not increase the water-facing blocking surface of the propulsion paddle 50, the shielding of the speed change component 802 and the first motor 40 to the propulsion paddle 50 is small, the propeller 100 is guaranteed to reduce underwater resistance, the thrust of the propulsion paddle 50 and the gear axial force of the speed change component 802 are offset, and the service life of a bearing can be prolonged.

It should be noted that the bevel gear pair 801 and the speed change assembly 802 in the transmission mechanism 80 may be disposed in neither (as shown in fig. 6), only one (as shown in fig. 7 or 8), or two (as shown in fig. 9) connected in series between the first motor 40 and the propeller 50.

In other embodiments, the transmission mechanism 80 may also be in other forms, such as belt transmission, chain transmission, etc., which are not described herein.

In the foregoing embodiments, the first motor 40 is located below the water pressing plate 70 (far from the side of the rack 10), and in other embodiments, the first motor 40 may be located partially or entirely above the water pressing plate 70 (near the side of the rack 10).

As shown in fig. 10, the inner space Q2 of the bottom casing 30 includes a first space Q3 and a second space Q4 communicating in the first direction Z, the first space Q3 being located on a side of the water pressing plate 70 away from the rack 10, and the second space Q4 being located on a side of the water pressing plate 70 close to the rack 10. The first motor 40 is entirely accommodated in the second space Q4. At this time, the bottom casing 30 is located below the water pressing plate 70 without accommodating the first motor 40, so that the water resistance of the propulsion paddle 50 can be reduced. In the embodiment of fig. 10, the output shaft 43 of the first motor 40 is perpendicular to the power shaft of the propulsion paddle 50, the first motor 40 is not disposed in the propulsion water flow range of the propulsion paddle 50, the first motor 40 is staggered with the propulsion paddle 50, and further the propulsion water flow of the propulsion paddle 50 is not blocked, so that the first motor 40 is ensured to be cooled and dissipated heat through the bottom case 30, the water-facing resistance of the propulsion paddle 50 is also reduced, and the propulsion efficiency is improved. Of course, in other embodiments, the first motor 40 may be disposed in the second space Q4 in such a manner that the output shaft 43 is parallel to the power shaft of the propeller 50.

Of course, the first motor 40 may also be only partially accommodated in the second space Q4, that is, one part of the first motor is located in the first space Q3, and the other part of the first motor is located in the second space Q4, and the output shaft 43 of the first motor 40 may be perpendicular to the power shaft of the propeller 50, or may be parallel to the power shaft of the propeller 50.

Fig. 10 shows an embodiment in which the first motor 40 is vertically arranged and is drivingly connected to the propulsion paddle 50 through a bevel gear pair 801. Of course, other arrangements of the transmission mechanism 80 described above are equally applicable to embodiments where the first motor 40 is located entirely or partially on the water pressing plate 70, and are not described in detail herein.

In some embodiments, propeller 100 also includes a second motor 68. The second motor 68 may be the same or a different type of motor than the first motor 40. The second motor 68 is connected in series with the first motor 40 to propel the paddles 50.

As shown in fig. 11, on the basis of the embodiment shown in fig. 10, a second motor 68 is further provided between the bevel gear pair 801 and the propulsion paddle 50, so that the first motor 40 and the second motor 68 essentially achieve the purpose of powering the propulsion paddle 50 in series. This form increases the total propulsion force and the motor has less effect on the total blocking area of the propulsion paddle 50, especially when the first motor 40 and/or the second motor 68 are in the form of elongated motors (such as the aforementioned dual rotor dual stator motors).

In other embodiments, the second motor 68 and the first motor 40 may be connected in parallel to the propulsion paddle 50. That is, the output shaft 43 of the first motor 40 and the output shaft 43 of the second motor 68 are connected in parallel to the propulsion paddle 50 to collectively propel the propulsion paddle 50 to rotate.

Of course, the embodiment shown in fig. 6 to 9 may also add the second motor 68 in series or in parallel to the transmission path of the first motor 40 and the propulsion paddle 50 to increase the propulsion force or improve the reliability of the power, which is not described herein.

Referring again to fig. 11, the second motor 68 in the present embodiment may be disposed outside the inner space Q2 of the bottom chassis 30. In other embodiments, the second motor 68 may be disposed within the inner space Q2 of the bottom housing 30 similar to the first motor 40 and thermally coupled to the bottom housing 30 to dissipate heat.

The heat dissipation of the first motor 40 and/or the second motor 68 in this embodiment may be achieved in other ways than by the aforementioned heat conduction via the heat conducting structure 46 between the motor and the bottom case 30.

For example, fig. 12 illustrates that the interior space Q2 contains a cooling fluid 67 (e.g., water or cooling oil), and the first motor 40 is at least partially immersed in the cooling fluid 67. In this way, the heat of the first motor 40 can be quickly transferred to the cooling liquid 67 and further transferred to the outside through the bottom case 30. Simultaneously, propeller 100 still can include cooling system 90, and cooling system 90 includes pump machine 91 and pipeline 92, and pump machine 91 is equipped with inlet K3 and liquid outlet K4, and inlet K3 is used for the suction coolant liquid 67, and pipeline 92 is connected to liquid outlet K4 for spray the coolant liquid 67 of extraction in first motor 40.

For the embodiment shown in fig. 10 or 11 in which the first motor 40 is at least partially located above the water pressure plate 70, referring to fig. 13, the first motor 40 can be cooled by spraying water waves from the tail of the ship body 310 onto the outer surface of the bottom shell 30 at the first motor 40 located above the water pressure plate 70 from top to bottom after the water waves from the tail of the ship body 310 are raised while the ship body 310 is traveling. The flow path of the water waves for cooling the first motor 40 can be indicated with a dashed arrow in fig. 13.

In the case where the second motor 68 is provided, the electronic control unit 260 may also be used to control the operation of the second motor 68.

In the propeller 100 of the present embodiment, the first motor 40 may be disposed on top, that is, on the portion of the propeller 100 exposed to the water surface, in addition to being disposed on the lower side (below the water pressing plate 70) or the middle side (near the water pressing plate 70) of the inner space Q2 of the bottom case 30 as described above.

For example, in another embodiment shown in fig. 14, the connecting shaft 20 is provided with a shaft hole K1 extending along the first direction Z, the first motor 40 is connected to one end of the connecting shaft 20 close to the frame 10, and the output shaft 43 of the first motor 40 passes through the shaft hole K1 and is in transmission connection with the propulsion paddle 50 through a transmission mechanism 80. The transmission mechanism 80 may include the bevel gear pair 801 and/or the speed changing assembly 802, or other transmission mechanisms, which are not described herein. In this embodiment, the first motor 40 is disposed on the top, and is closer to the electronic control assembly 260, which is beneficial to shorten the electrical connection wires of the two.

It should be noted that, on the premise of no conflict, the various embodiments shown in fig. 6 to fig. 13 can be applied to the structure of the propeller 100 shown in fig. 1 or fig. 14, and are not described herein again.

In this embodiment, the electric control assembly 260 and the frame 10 are relatively specified, and the connecting shaft 20, the propelling paddle 50 and other structures independently turn, so that the electric control assembly 260 does not need to be driven to rotate together, and the rotating load is reduced.

The specific structure of the first support 63 and the second support 64 in the embodiment of the present application may be set as desired.

It is understood that the shaft 20 is rotatably connected to the first support 63 and the second support 64, so that the shaft 20 can drive the bottom shell 30 to rotate relative to the frame 10, thereby achieving the propelling and steering of the propeller 100. In order to increase the connection reliability of the connection shaft 20 with the first support 63 and the second support 64, as shown in fig. 15, for example, the propeller 100 further includes a first bearing 632 fixed to the first support 63 and a second bearing 642 fixed to the second support 64. The connecting shaft 20 is rotationally engaged with the first bearing 632 and the second bearing 642. Since the connection shaft 20 and the first and second bearings 632 and 642 only have a rotational torque fit relationship, the non-axial torque swing of the connection shaft 20 is reduced. In order to further avoid the non-axial swing of the connecting shaft 20 relative to the frame 10, a first damping suspension 651 for absorbing the pulling vibration force is disposed between the first bearing 632 and the first supporting member 63, i.e., the first damping suspension 651 applies a pre-load force to the connecting shaft 20, wherein the pre-load force is applied to the connecting shaft 20 in a direction toward the hull 310. A second shock mount 652 that absorbs resisting vibration forces is disposed between the second bearing 642 and the second support 64. That is, the second shock mount 652 applies a pre-load force to the connecting shaft 20 in a direction away from the hull 310. Specifically, the first support 63 is provided with a first damping sleeve 631, and an axis of the first damping sleeve 631 is perpendicular to the connection shaft 20 and perpendicular to the second direction X. The first bearing 632 is provided with a first damping shaft 633 penetrating the first damping sleeve 631, and the first damping shaft 633 is elastically matched with the first damping sleeve 631 to realize that a first damping mount 651 is arranged between the first bearing 632 and the first support 63. The second supporting member 64 is provided with a second damping sleeve 641, an axis of the second damping sleeve 641 is parallel to an axis of the connecting shaft 20, and the second bearing 642 is provided with a second damping shaft 643 penetrating through the second damping sleeve 641, so as to realize that a second damping suspension 652 is arranged between the second bearing 642 and the second supporting member 64. As the vibration absorbing suspensions 65 are disposed between the first support 63 and the frame 10 and between the second support 64 and the frame 10, the first and second vibration absorbing suspensions 651 and 652 absorb the vibration force of the first and second bearings 632 and 642, thereby preventing the first motor 40 from transmitting the vibration force to the frame 10, and apply a pulling force in the first direction Z to the connection shaft 20 by using the first support 63, while applying an abutting force in the second direction X to the connection shaft 20 by using the second support 64, thereby preventing the connection shaft 20 from swinging in the non-axial direction. The connecting shaft 20 may be of a steel structure having a high strength, so that the connecting shaft 20 has structural reliability.

It is to be understood that the connection manner of the connection shaft 20 and the bottom case 30, and the connection manner of the connection shaft 20 and the first and second supports 63 and 64 in the embodiment of the present application are not limited to the above-described embodiment.

For example, in another possible embodiment, referring to fig. 16, the connecting shaft 20 may be rotatably connected with the bottom case 30 (e.g., by the bearing 32), and the connecting shaft 20 is fixed with the first support 63 and the second support 64. The pusher 100 may further include a host bracket 33 fixed with the bottom case 30. The host bracket 33 and the bottom case 30 may be integrated or fixed via screws. The propeller 100 further comprises a steering driving mechanism 34, wherein the steering driving mechanism 34 is fixed on the main frame support 33, and applies a rotating torque to the connecting shaft 20 to rotate the bottom shell 30 and the main frame support 33 relative to the connecting shaft 20, so that the propeller 100 can steer.

In view of the above, the water area movable apparatus 300 and its propeller 100 of the embodiment of the present application have a small steering load, a large steering angle can be maintained by the coupling shaft 20 and the propeller 50, and a large space for a user to move in the hull is provided.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims (15)

1. A propeller for connection to a hull of a water movable apparatus for propelling movement of the water movable apparatus, comprising:

a frame for connection to the hull;

a connecting shaft extending in a first direction; one end of the connecting shaft is connected to the rack and can be tilted relative to the hull through the rack;

the bottom shell is connected to one end, far away from the rack, of the connecting shaft;

the propelling paddle is rotatably connected to the bottom shell;

the first motor is in transmission connection with the propelling paddle and is used for driving the propelling paddle to rotate to generate a driving force;

the electric control assembly is electrically connected to the first motor and is used for controlling the first motor to operate; the electric control assembly is fixedly connected with the rack.

2. The propeller of claim 1, wherein:

the rack is connected with a first supporting piece and a second supporting piece, and the first supporting piece and the second supporting piece are spaced along a first direction;

the electric control assembly is arranged between the first supporting piece and the second supporting piece.

3. The propeller of claim 2, wherein:

the electric control assembly is positioned on one side of the first supporting piece and the second supporting piece, which is far away from the rack.

4. The propeller of claim 2, wherein:

one end of the connecting shaft is rotatably connected to the first supporting piece and the second supporting piece, and the rotating axis of the connecting shaft is along a first direction.

5. The propeller of claim 1, wherein:

the electric control assembly is mounted on the frame.

6. The propeller of claim 1, wherein:

the bottom shell defines an interior space, and the first motor is disposed in the interior space and thermally coupled to the bottom shell.

7. The propeller of claim 1, wherein:

the propeller further comprises a clamp and a warping driver; the clamp is used for being connected to a ship body;

the frame rotationally connect in anchor clamps, the upwarp driver install in anchor clamps and transmission are connected the frame is used for the drive the frame with be connected to the propulsion oar upwarp of frame.

8. The propeller of claim 1, wherein:

the propeller also comprises a water pressing plate;

the water pressing plate is connected to the bottom shell;

the propeller is positioned on one side of the water pressing plate, which is far away from the frame.

9. The propeller of claim 8, wherein:

the first motor is positioned on one side of the water pressing plate, which is far away from the rack.

10. The propeller of claim 8, wherein:

the bottom shell defines an inner space, the inner space comprises a first space and a second space which are communicated along a first direction, the first space is positioned on one side, far away from the rack, of the water pressing plate, and the second space is positioned on one side, close to the rack, of the water pressing plate;

the first motor is wholly or partially accommodated in the second space.

11. The propeller of claim 1, wherein:

the connecting shaft is provided with a shaft hole extending along the first direction;

the first motor is connected to one end, close to the rack, of the connecting shaft, and an output shaft of the first motor penetrates through the shaft hole and then is in transmission connection with the propelling paddle through a transmission mechanism.

12. The propeller of claim 1, wherein:

the propeller further comprises a second motor;

the second motor and the first motor are connected in series with the propulsion paddle, or the second motor and the first motor are connected in parallel with the propulsion paddle.

13. The propeller of claim 1, wherein:

the bottom shell defines an interior space, and the first motor is disposed in the interior space and thermally coupled to the bottom shell.

14. A water area movable apparatus, comprising:

a hull; and

the propeller of any one of claims 1-13, said propeller being mounted to said hull.

15. The water area movable apparatus of claim 14, wherein:

the water area movable apparatus further comprises a battery assembly;

the battery assembly is electrically connected to the first motor and is used for supplying power to the first motor.

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