CN217146334U

CN217146334U - Propeller power device and ship

Info

Publication number: CN217146334U
Application number: CN202121478206.7U
Authority: CN
Inventors: 刘志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-08-09
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a screw power device and boats and ships relates to boats and ships technical field. The temperature probe comprises a shell, a front end protection structure, a first propeller assembly, a second propeller assembly and a first driving structure, the shell is connected to the stem of the ship, the front end protection structure penetrates out of the front end of the shell and is positioned outside the shell, the shell is provided with the first propeller assembly and the second propeller assembly and is respectively in driving connection with one group of first driving structures, the two groups of first driving structures drive the corresponding first propeller assembly or the corresponding second propeller assembly to be started simultaneously after being started, the water in front of the propeller power device is sucked, dredged and shunted to the two sides and the lower rear part of the ship under the actions of rotation, stirring, pumping, guiding and pushing of the propeller, so that the accumulation, the superposition and the blockage of the water under the actions of collision and extrusion of the ship bow are reduced, therefore, the bow wave-making resistance of the ship is greatly reduced, and the effects of saving more energy and having higher running speed are provided for the ship.

Description

Propeller power device and ship

Technical Field

The utility model belongs to the technical field of the boats and ships technique and specifically relates to a screw power device and boats and ships are related to.

Background

The general drainage type ships in the market at present adopt a rear driving mode to sail, namely, a power device arranged at the stern part of the ship is used for pushing a ship body to collide with a ship bow and extrude a water body in front of the ship body to discharge a space, so that the ship can advance. Meanwhile, the bow can also bear the reaction resistance of the water body, and the resistance formed by the water body being pushed, collided and extruded by the bow to be superposed and accumulated so as to form waves is collectively called bow wave resistance.

The applicant finds that at least the following technical problems exist in the prior art: firstly, the faster the ship is propelled, the greater the bow wave resistance it is subjected to, then to increase the ship's speed, a huge amount of engine power is consumed to overcome the greatly increased bow wave resistance, which is the main reason why the speed of modern displacement ships is difficult to increase all the time.

Secondly, when a single rear-drive displacement ship sails, the ship is subjected to the attack force of water such as wave attack, transverse wave, rough water, dark burst and the like besides the resistance of the bow, the ship body is easy to rock left and right, float up and down, and have poor wave resistance, so that seasickness of passengers is easily caused, and the seaworthiness is poor.

Thirdly, in order to overcome the various forces of the water body on the ship, the single rear-drive type ship consumes more engine power to keep the ship running smoothly and normally, thus greatly increasing energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw power device and boats and ships to solve the boats and ships navigation speed that exists among the prior art slow, the wave resistance can be poor and the technical problem that the energy consumption is big. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a propeller power device, includes shell, front end protection architecture, first propeller subassembly, second propeller subassembly and first drive structure, the shell is connected at the bow portion, front end protection architecture wears out the front end of shell and is located the outside of shell, be provided with first propeller subassembly on the shell with the second propeller subassembly, first propeller subassembly is located the place ahead of second propeller subassembly and the size of first propeller subassembly is less than the size of second propeller subassembly, first propeller subassembly with the second propeller subassembly respectively with a set of first drive structure drive is connected and two sets of first drive structure all is located the inside of shell.

Preferably, the front end protection structure comprises a hydraulic cylinder body and a piston rod, a piston hydraulic pump is arranged in the hydraulic cylinder body, one end of the piston rod is connected with the piston hydraulic pump, and the other end of the piston rod penetrates out of the shell and then is located at the foremost end of the propeller power device.

Preferably, the first propeller assembly includes a first hub and first blades, the first hub is connected with a plurality of the first blades along the circumferential direction, the second propeller assembly includes a second hub and second blades, the second hub is connected with a plurality of the second blades along the circumferential direction, the housing is provided with a first annular moving groove and a second annular moving groove, the first hub is disposed in the first moving groove, the second hub is disposed in the second moving groove, and the first hub and the second hub are respectively in driving connection with a set of the first driving structure.

Preferably, the first drive structure comprises a stator and a rotor, the inner ring of the first hub or the second hub being connected to the rotor, the inner ring of the rotor being connected to the inner ring of the stator.

Preferably, the first driving structure comprises a transmission shaft, a gear and a gear ring, the gear is sleeved at the end of the transmission shaft, the gear is meshed with an inner ring of the gear ring, and an inner ring of the first hub or the second hub is connected with an outer ring of the gear ring.

Preferably, the propeller further comprises a first bearing, a group of first bearings are respectively connected between two ends of the first propeller assembly and the shell, and a group of first bearings are respectively connected between two ends of the second propeller assembly and the shell.

Preferably, the propeller further comprises an anti-winding structure and a second driving structure, wherein the anti-winding structure is arranged on the shell and is positioned between the first propeller assembly and the second propeller assembly, and the second driving structure is positioned in the shell and is in driving connection with the anti-winding structure.

Preferably, the anti-winding structure comprises an anti-winding saw blade, an annular third moving groove is formed in the housing, the anti-winding saw blade is arranged in the third moving groove and is in driving connection with the second driving structure, and the second driving structure can drive the anti-winding saw blade to move in the third moving groove after being started.

Preferably, the winding-proof structure further comprises a second bearing, and a group of second bearings is respectively connected between two ends of the winding-proof structure and the shell.

A ship comprises the propeller power device.

The utility model has the advantages that: by arranging the front end protection structure, most of the energy generated by the impact at the front end of the propeller power device can be absorbed, so that the impact force is weakened, the propeller power device is protected, and the first propeller component and the second propeller component are arranged on the shell, the water in front of the propeller power device is sucked, dredged and shunted to the two sides and the lower rear part of the ship under the actions of rotation, stirring, pumping, guiding and pushing of the two groups of propellers, so that the accumulation, the superposition and the blockage of the water under the actions of collision and extrusion of the bow are reduced, thus greatly reducing the bow wave-making resistance of the ship, providing the ship with the effects of more energy conservation and higher running speed, meanwhile, the propeller has the function of absorbing water flow, so that the ship can be more stable when encountering stormy waves, and finally the propeller power device has the characteristics of drag reduction, energy conservation, speed increase and optimized wave resistance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural diagram of a first embodiment of the present invention;

FIG. 2 is a structural diagram of a second embodiment of the present invention;

FIG. 3 is a perspective view of the present invention;

FIG. 1, a housing; 11. a first moving slot; 12. a second moving slot; 13. a third moving slot;

2. a front end protection structure; 21. a hydraulic cylinder block; 22. a piston rod;

3. a first propeller assembly; 31. a first hub; 32. a first blade;

4. a second propeller assembly; 41. a second hub; 42. a second blade;

5. a first drive structure; 51. a stator; 52. a rotor; 53. a drive shaft; 54. a gear; 55. a ring gear;

6. an anti-wind structure; 61. anti-wind saw blade;

7. a second drive structure;

8. a first bearing;

9. a second bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example one

Referring to fig. 1 and fig. 3, the present embodiment provides a propeller power device, which includes a housing 1, a front end protection structure 2, a first propeller assembly 3, a second propeller assembly 4, and a first driving structure 5, where the housing 1 is connected to a bow portion, preferably, a bow portion of a general rear-driving type displacement ship or a portion below a waterline of a front bow portion of each sheet of ships such as a catamaran, a multi-hull ship, and a small-waterplane catamaran, and a rear driving device forms a front-rear driving dual-driving structure, and the housing 1 is in a streamline design and has a front end cross-sectional area smaller than a rear end cross-sectional area;

the front end protection structure 2 penetrates out of the front end of the shell 1 and is positioned outside the shell 1, and the front end protection structure 2 can absorb most of energy generated by impact at the front end of the propeller power device, so that impact force is weakened, and the propeller power device is protected;

the shell 1 is provided with a first propeller component 3 and a second propeller component 4, the first propeller component 3 is positioned in front of the second propeller component 4, the size of the first propeller component 3 is smaller than that of the second propeller component 4, the first propeller component 3 and the second propeller component 4 are respectively in driving connection with one group of first driving structures 5, two groups of first driving structures 5 are positioned in the shell 1, and each group of first driving structures 5 can respectively drive the corresponding first propeller component 3 or second propeller component 4 to be started simultaneously after being started;

the water in front of the propeller power device is sucked, dredged and distributed to the two sides and the lower rear part of the ship under the actions of rotation, stirring, suction, guide and pushing of the propeller, so that the collision and extrusion of the ship bow of the water are reduced, the accumulation, the superposition and the blockage of the water are reduced, the bow wave-making resistance of the ship is greatly reduced, the effects of saving more energy and improving the running speed are provided for the ship, and meanwhile, the ship can be more stable when encountering stormy waves due to the adsorption effect on water flow, and finally the propeller power device has the characteristics of resistance reduction, energy saving, speed increase and wave resistance optimization.

As an optional embodiment, the front end protection structure 2 includes a hydraulic cylinder 21 and a piston rod 22, a piston hydraulic pump is disposed inside the hydraulic cylinder 21, one end of the piston rod 22 is connected to the piston hydraulic pump, and the other end of the piston rod 22 penetrates through the housing 1 and is located at the foremost end of the propeller power device, when the piston rod 22 at the foremost end is impacted, the piston rod moves toward the hydraulic cylinder 21, and at the same time, the internal liquid of the hydraulic cylinder 21 is pressed to flow to the storage cylinder inside the propeller power device, and this process can absorb most of energy generated by the impact, so as to weaken the impact force and protect the propeller power device.

As an alternative embodiment, the first propeller assembly 3 includes a first hub 31 and first blades 32, the first hub 31 is connected with a plurality of first blades 32 along the circumferential direction, the second propeller assembly 4 includes a second hub 41 and second blades 42, the second hub 41 is connected with a plurality of second blades 42 along the circumferential direction, the housing 1 is provided with a first annular moving groove 11 and a second annular moving groove 12, the first hub 31 is disposed in the first moving groove 11, the second hub 41 is disposed in the second moving groove 12, the first hub 31 and the second hub 41 are respectively in driving connection with a set of first driving structures 5, because of the streamlined design and the front end cross-sectional area is smaller than the rear end cross-sectional area, the size of the first hub 31 is smaller than that of the second hub 41, the size of the first blades 32 is smaller than that of the second blades 42, so that the two sets of propeller assemblies can be matched more reasonably, under the rotating, stirring, pumping, guiding and pushing actions of the first paddle 32 and the second paddle 42, the water in front of the propeller power device is sucked, dredged and distributed to the two sides and the lower rear part of the ship, so that the accumulation, superposition and blockage of the water under the collision and extrusion actions of the bow of the ship are reduced, and the bow wave-making resistance of the ship is greatly reduced.

As an alternative embodiment, the first driving structure 5 includes a stator 51 and a rotor 52, the stator 51 and the rotor 52 together form an electric driving force design, an inner ring of the first hub 31 or the second hub 41 is connected with the rotor 52, an inner ring of the rotor 52 is connected with an inner ring of the stator 51, the stator 51 is powered to drive the rotor 52 to rotate, and the rotor 52 rotates to drive the first hub 31 or the second hub 41 to rotate, and further drive the first propeller assembly 3 and the second propeller assembly 4 to rotate.

As an optional implementation mode, the propeller driving device further comprises a first bearing 8, a group of first bearings 8 is respectively connected between two ends of the first propeller assembly 3 and the housing 1, a group of first bearings 8 is respectively connected between two ends of the second propeller assembly 4 and the housing 1, the first bearings 8 can support the first propeller assembly 3 and the second propeller assembly 4, the first propeller assembly 3 can rotate and move in the first moving groove 11, the second propeller assembly 4 can rotate and move in the second moving groove 12, the friction coefficient between the structure and the housing 1 is reduced, and the rotation precision of the structure is ensured.

As an alternative embodiment, since the marine vessel sails water with a great amount of impurities, including a great amount of algae, seaweeds and other floating objects in water, the propeller power device can be entangled by various floating objects in water due to the rotation of the first propeller assembly 3 and the second propeller assembly 4 when the propeller power device is actually used, and when the floating objects are entangled sufficiently, the use of the propeller power device can be seriously affected, in order to solve the above problem, the embodiment further includes an anti-entanglement structure 6 and a second driving structure 7, the anti-entanglement structure 6 is disposed on the housing 1 and located between the first propeller assembly 3 and the second propeller assembly 4, the anti-entanglement structure 6 can cut off the entanglement and separate the entanglement from the propeller power device, and can simultaneously take into account the first propeller assembly 3 and the second propeller assembly 4, the second driving structure 7 is located inside the housing 1 and is in driving connection with the anti-entanglement structure 6, after the second driving structure 7 is started, the anti-winding structure 6 can be driven to start to perform anti-winding operation.

As an optional implementation manner, the anti-winding structure 6 includes an anti-winding saw blade 61, an annular third moving slot 13 is formed in the housing 1, the anti-winding saw blade 61 is disposed in the third moving slot 13 and is in driving connection with the second driving structure 7, the second driving structure 7 can drive the anti-winding saw blade 61 to move in the third moving slot 13 after being started, the anti-winding saw blade 61 is a circular saw blade structure, the wound object can be cut off by the saw teeth under rotation, the cutting effect is better, and the volume is smaller, so that excessive space is not occupied, the second driving structure 7 can select a structure capable of driving the anti-winding saw blade 61 to rotate in the third moving slot 13, and the structure can be the same as the principle of the first driving structure 5, and is a relatively conventional prior art, so that a specific description is not made.

As an optional embodiment, the anti-wind saw further comprises a second bearing 9, a set of second bearings 9 is respectively connected between two ends of the anti-wind structure 6 and the housing 1, and the second bearings 9 can support the anti-wind structure 6 and enable the anti-wind saw blade 61 in the anti-wind structure 6 to rotationally move in the third moving groove 13, so that the friction coefficient between the anti-wind saw blade 61 and the housing 1 is reduced, and the rotation precision of the anti-wind saw blade is ensured.

Example two

Referring to fig. 2 and fig. 3, the present embodiment provides a propeller power device, which includes a housing 1, a front end protection structure 2, a first propeller assembly 3, a second propeller assembly 4, and a first driving structure 5, where the housing 1 is connected to a bow portion, preferably, a bow portion of a general rear-driving type displacement ship or a portion below a waterline of a front bow portion of each sheet of ships such as a catamaran, a multi-hull ship, and a small-waterplane catamaran, and a rear driving device forms a front-rear driving dual-driving structure, and the housing 1 is in a streamline design and has a front end cross-sectional area smaller than a rear end cross-sectional area;

As an alternative embodiment, the first driving structure 5 includes a transmission shaft 53, a gear 54 and a gear ring 55, the transmission shaft 53, the gear 54 and the gear ring 55 together constitute a fuel-powered design, the gear 54 is sleeved on an end portion of the transmission shaft 53, the gear 54 is meshed with an inner ring of the gear ring 55, an inner ring of the first hub 31 or the second hub 41 is connected with an outer ring of the gear ring 55, the transmission shaft 53 is connected with other rotating devices, the transmission shaft 53 can drive the gear 54 to rotate, the gear 54 and the gear ring 55 are matched to drive the gear ring 55 to rotate, and the gear 54 can drive the first hub 31 or the second hub 41 to rotate, so as to drive the first propeller assembly 3 and the second propeller assembly 4 to rotate.

As an alternative embodiment, since the marine vessel sails water with a large amount of impurities, including a large amount of algae, seaweeds and other floating objects in water, the propeller power device can be wound by various floating objects in water due to the rotation of the first propeller assembly 3 and the second propeller assembly 4 when in actual use, and the use of the propeller power device can be seriously affected when the floating objects are wound enough, in order to solve the above problems, the embodiment further comprises an anti-winding structure 6 and a second driving structure 7, wherein the anti-winding structure 6 is arranged on the shell 1 and is positioned between the first propeller assembly 3 and the second propeller assembly 4, the anti-winding structure 6 can cut off the winding objects and separate the winding objects from the propeller power device, and can simultaneously take into account the first propeller assembly 3 and the second propeller assembly 4, the second driving structure 7 is positioned inside the shell 1 and is in driving connection with the anti-winding structure 6, after the second driving structure 7 is started, the anti-winding structure 6 can be driven to start to perform anti-winding operation.

EXAMPLE III

A ship comprises the propeller power device, and under the rotating, stirring, pumping, guiding and pushing actions of the propeller in the propeller power device, water in front of the propeller power device is sucked, dredged and distributed to the two sides and the lower rear of the ship, so that the accumulation, superposition and blockage of the water under the collision and extrusion actions of a bow are reduced, the bow wave-making resistance of the ship is greatly reduced, and the ship using the propeller power device is provided with the effects of saving more energy and having higher running speed.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A propeller power plant, comprising a housing (1), a front end protection structure (2), a first propeller assembly (3), a second propeller assembly (4) and a first drive structure (5), wherein: the utility model discloses a propeller driving device, including shell (1), front end protection structure (2), first screw subassembly (3), second screw subassembly (4), first screw subassembly (3) are located the place ahead of second screw subassembly (4) and the size of first screw subassembly (3) is less than the size of second screw subassembly (4), first screw subassembly (3) with second screw subassembly (4) respectively with a set ofly first drive structure (5) drive connection and two sets of first drive structure (5) all are located the inside of shell (1).

2. The propeller power plant of claim 1, wherein: the front end protection structure (2) comprises a hydraulic cylinder body (21) and a piston rod (22), a piston hydraulic pump is arranged inside the hydraulic cylinder body (21), one end of the piston rod (22) is connected with the piston hydraulic pump, and the other end of the piston rod (22) penetrates out of the shell (1) and then is located at the foremost end of the propeller power device.

3. The propeller power plant of claim 1, wherein: the first propeller assembly (3) comprises a first propeller hub (31) and first blades (32), the first propeller hub (31) is connected with a plurality of the first blades (32) along the circumferential direction, the second propeller assembly (4) comprises a second propeller hub (41) and second blades (42), the second propeller hub (41) is connected with a plurality of the second blades (42) along the circumferential direction, an annular first moving groove (11) and an annular second moving groove (12) are formed in the shell (1), the first propeller hub (31) is arranged in the first moving groove (11), the second propeller hub (41) is arranged in the second moving groove (12), and the first propeller hub (31) and the second propeller hub (41) are respectively in driving connection with a group of the first driving structures (5).

4. The propeller power plant of claim 3, wherein: the first drive structure (5) comprises a stator (51) and a rotor (52), the inner ring of the first hub (31) or the second hub (41) being connected to the rotor (52), the inner ring of the rotor (52) being connected to the inner ring of the stator (51).

5. The propeller power unit of claim 3, wherein: the first driving structure (5) comprises a transmission shaft (53), a gear (54) and a gear ring (55), the gear (54) is sleeved on the end portion of the transmission shaft (53), the gear (54) is meshed with an inner ring of the gear ring (55), and an inner ring of the first hub (31) or the second hub (41) is connected with an outer ring of the gear ring (55).

6. The propeller power plant of claim 3, wherein: still include first bearing (8), the both ends of first screw propeller component (3) with be connected with a set of respectively between shell (1) first bearing (8), the both ends of second screw propeller component (4) with be connected with a set of respectively between shell (1) first bearing (8).

7. The propeller power plant of claim 1, wherein: still include anti-wind structure (6) and second drive structure (7), anti-wind structure (6) set up on shell (1) and be located between first screw propeller component (3) and second screw propeller component (4), second drive structure (7) are located the inside of shell (1) and with anti-wind structure (6) drive is connected.

8. The propeller power plant of claim 7, wherein: the anti-winding structure (6) comprises an anti-winding saw blade (61), an annular third moving groove (13) is formed in the shell (1), the anti-winding saw blade (61) is arranged in the third moving groove (13) and is in driving connection with the second driving structure (7), and the anti-winding saw blade (61) can be driven to move in the third moving groove (13) after the second driving structure (7) is started.

9. The propeller power plant of claim 7, wherein: the anti-winding device is characterized by further comprising second bearings (9), wherein a group of second bearings (9) is respectively connected between two ends of the anti-winding structure (6) and the shell (1).

10. A marine vessel comprising a propeller power plant as claimed in any one of claims 1-9.