CN217436032U - Motor-driven propeller propulsion device and ship thereof - Google Patents

Abstract

The utility model discloses a motor drive's screw advancing device and boats and ships thereof, laid stern axle, shaft coupling subassembly and thrust shaft device between screw and the drive arrangement in proper order, stern axle and screw coaxial coupling are connected through the shaft coupling subassembly between stern axle and the thrust shaft device, and the thrust shaft device is connected with drive arrangement's power take off end. The electric drive replaces the drive of a diesel engine, so that the leakage of oil into a polluted water body is reduced, the heat release is reduced, no emission pollution is caused, and the energy is saved and the environment is protected by using the electric drive; the thrust shaft device has a simpler structure, only a small amount of lubricating oil needs to be coated on the bearing part, and the lubricating oil in the thrust shaft seat is blocked in the thrust shaft device by the oil seal, so that the environment is prevented from being polluted by leakage; the action wheel passes through driving belt and drives from the driving wheel and realize power transmission, and driving belt can effectively slow down the impact that the motor just reverse when switching caused the thrust shaft, and the impact wearing and tearing that cause equipment when avoiding rigid conversion prolong the life of equipment.

Description

Motor-driven propeller propulsion device and ship thereof

Technical Field

The application relates to the technical field of propellers, in particular to a motor-driven propeller propulsion device and a ship with the same.

Background

The existing water surface cleaning ship mainly adopts the power of a diesel engine, the output shaft of the diesel engine is transmitted to a propeller after being subjected to speed change through a gear box, and the use of the existing water surface cleaning ship is greatly limited due to the emission requirement in special required water areas such as a natural protection area, a drinking water source protection area and the like. At present, the electrification of sanitation equipment forms a mainstream development trend in the whole country, and in China, under the condition that carbon reaches the peak and carbon neutralization policy requirements are preliminarily implemented, a transportation department also starts to require acceleration of development of new energy and clean energy vehicles and ships, strengthens the replacement of the electrification of traffic, accelerates the updating and transformation of old transportation tools, and for the purpose, a motor-driven propeller propulsion device and a ship thereof are provided.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, it is an object of the present patent application to provide a motor-driven propeller propulsion device and a vessel thereof, solving the above-mentioned problems of the prior art.

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

a motor-driven propeller propulsion device comprises a propeller and a driving device, wherein a stern shaft, a coupling assembly and a thrust shaft device are sequentially arranged between the propeller and the driving device, the stern shaft is coaxially connected with the propeller, the stern shaft is connected with the thrust shaft device through the coupling assembly, and the thrust shaft device is connected with a power output end of the driving device;

the driving device comprises a motor, an output shaft of the motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a transmission belt in a transmission manner, and the driven wheel is arranged on the thrust shaft device.

Furthermore, the thrust shaft device comprises a thrust shaft seat, a thrust shaft with two ends extending outwards is inserted into the thrust shaft seat in a penetrating and inserting mode, two ends of one section of the thrust shaft positioned in the thrust shaft seat are rotatably connected with the thrust shaft seat through bearings, and side walls of two ends of the thrust shaft seat are sleeved with a cover plate on the thrust shaft through fixedly connected screws.

Further, an oil seal sleeved on the thrust shaft is arranged between the cover plate and the adjacent bearing.

Furthermore, the driven wheel is fixedly sleeved on the end part of one side of the thrust shaft.

Furthermore, the coupling assembly comprises two symmetrically-arranged couplings, the two couplings are fixedly connected through bolts, one of the couplings is connected with one end, far away from the driven wheel, of the thrust shaft, and the other coupling is connected with one end, far away from the propeller, of the stern shaft.

Furthermore, the diameter of the middle part of one section of the thrust shaft in the thrust shaft seat is larger than the diameters of the two ends of the thrust shaft.

Furthermore, a tail pipe is rotatably sleeved on the stern shaft.

A marine vessel comprising a hull having mounted at its aft portion a motor driven propeller propulsion device as hereinbefore described.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the electric drive replaces the drive of a diesel engine, so that the leakage of oil into a polluted water body is reduced, the heat release is reduced, no emission pollution is caused, and the electric drive is more energy-saving and environment-friendly;

2. the thrust shaft device replaces a gear box, the structure is simpler, only a small amount of lubricating oil needs to be coated on the bearing part, and the lubricating oil in the thrust shaft seat is blocked in the oil seal, so that the environment is prevented from being polluted by leakage;

3. the action wheel passes through driving belt and drives from the driving wheel and realize power transmission, and driving belt can effectively slow down the impact that the motor just reverse when switching caused the thrust shaft, and the impact wearing and tearing that cause equipment when avoiding rigid conversion prolong the life of equipment.

Drawings

FIG. 1 is a schematic view of the structure of the tail of the ship of the present invention;

FIG. 2 is a schematic structural view of a motor-driven propeller propulsion unit according to the present invention;

fig. 3 is a schematic view of the top-down assembly structure of the thrust shaft device and the driving device of the present invention;

fig. 4 is a schematic structural view of the thrust shaft device of the present invention;

FIG. 5 is a schematic view of the thrust shaft of the present invention;

fig. 6 is a schematic view of the cover plate structure of the present invention.

The reference numbers illustrate: the propeller comprises a propeller 1, a stern shaft 2, a coupling assembly 3, a thrust shaft device 4, a thrust shaft 41, a thrust shaft seat 42, a bearing 43, an oil seal 44, a cover plate 45, a driving device 5, a motor 51, a driving wheel 52, a driven wheel 53 and a transmission belt 54.

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and variations in various respects, all without departing from the spirit of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1-6, the present invention provides a technical solution:

a motor-driven propeller propulsion unit is arranged at the tail of a ship and comprises a propeller 1, a stern shaft 2, a coupling assembly 3, a thrust shaft device 4 and a driving device 5, as shown in figure 1, the propeller 1 is fixedly sleeved at one end of the stern shaft 2, a tail pipe is rotatably sleeved on the stern shaft 2 to play a role of protection, the other end of the stern shaft 2 is connected with the thrust shaft device 4 through the coupling assembly 3, the other end of the thrust shaft device 4 is connected with a power output end of the driving device 5, as shown in figure 3, the driving device 5 comprises a motor 51, wherein the motor 51 is a forward and reverse rotating motor, an output shaft of the motor 51 is connected with a driving wheel 52, the driving wheel 52 is in transmission connection with a driven wheel 53 through a transmission belt 54, the purpose of adjusting the rotating speed of the propeller 1 is achieved by adjusting the gear ratio of the driving wheel 52 and the driven wheel 53, the transmission belt 54 reduces the impact on the thrust shaft 41 when the forward and reverse rotation of the motor 51 are switched, driven wheel 53 installs on thrust shaft device 4, replaces diesel engine drive through electric drive, has reduced the fluid seepage pollution water, and heat release reduces, does not have emission pollution, uses electric drive more energy-concerving and environment-protective, can lay photovoltaic solar panel in order to turn into the required electric energy of motor 51 with solar energy on the hull, accords with sustainable development's basic guideline.

Referring to fig. 4, wherein the thrust shaft assembly 4 includes a thrust shaft seat 42, a thrust shaft 41 having two ends extending outward is inserted into the thrust shaft seat 42, as shown in fig. 5, two ends of a section of the thrust shaft 41 located in the thrust shaft seat 42 are rotatably connected to the thrust shaft seat 42 through bearings 43, side walls of two ends of the thrust shaft seat 42 are fixedly connected to cover plates 45 respectively sleeved on the thrust shaft 41 through screws, as shown in fig. 6, a diameter of a middle portion of a section of the thrust shaft 41 located in the thrust shaft seat 42 is larger than diameters of the two ends, so that the bearings 43 and the cover plates 45 at the two ends tightly clamp and fix the thrust shaft 41 to prevent position loosening, an oil seal 44 sleeved on the thrust shaft 41 is provided between the cover plate 45 and the adjacent bearings 43 to prevent lubricating oil from leaking to pollute the environment, a driven wheel 53 is installed on one side end of the thrust shaft 41 to drive the thrust shaft 41 to transmit power, the thrust shaft assembly 4 replaces a gear box, the structure is simpler, only a small amount of lubricating oil needs to be coated on the bearing 43, and the lubricating oil in the thrust shaft seat 41 is blocked inside the oil seal 44, so that the environment is prevented from being polluted by leakage.

The coupling assembly 3 comprises two couplings which are symmetrically arranged and fixedly connected through bolts, one of the couplings is connected with one end of the thrust shaft 41, which is far away from the driven wheel 53, the other coupling is connected with one end of the stern shaft 2, which is far away from the propeller 1, the two couplings transmit motion and torque, so that the stern shaft 2 synchronously rotates along with the thrust shaft 41, and the couplings can also compensate the deviation between the thrust shaft 41 and the stern shaft 2 caused by inaccurate manufacturing and installation, deformation or thermal expansion in work and the like.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (8)

1. A motor-driven propeller propulsion device comprising a propeller (1) and a drive (5), characterized in that: a stern shaft (2), a coupling assembly (3) and a thrust shaft device (4) are sequentially arranged between the propeller (1) and the driving device (5), the stern shaft (2) is coaxially connected with the propeller (1), the stern shaft (2) is connected with the thrust shaft device (4) through the coupling assembly (3), and the thrust shaft device (4) is connected with the power output end of the driving device (5);

the driving device (5) comprises a motor (51), an output shaft of the motor (51) is connected with a driving wheel (52), the driving wheel (52) is connected with a driven wheel (53) in a transmission mode through a transmission belt (54), and the driven wheel (53) is installed on the thrust shaft device (4).

2. A motor-driven propeller propulsion device according to claim 1, characterised in that: the thrust shaft device (4) comprises a thrust shaft seat (42), a thrust shaft (41) with two ends extending outwards is penetratingly inserted in the thrust shaft seat (42), the two ends of one section of the thrust shaft (41) located in the thrust shaft seat (42) are rotatably connected with the thrust shaft seat (42) through bearings (43), and the side walls of the two ends of the thrust shaft seat (42) are sleeved with a cover plate (45) on the thrust shaft (41) through fixedly connected screws.

3. A motor-driven propeller propulsion device according to claim 2, characterised in that: an oil seal (44) sleeved on the thrust shaft (41) is arranged between the cover plate (45) and the adjacent bearing (43).

4. A motor-driven propeller propulsion device according to claim 2, characterised in that: the driven wheel (53) is fixedly sleeved on one side end part of the thrust shaft (41).

5. A motor driven propeller propulsion device according to claim 4, characterised in that: the coupling assembly (3) comprises two symmetrically-distributed couplings, the two couplings are fixedly connected through bolts, one coupling is connected with one end, far away from the driven wheel (53), of the thrust shaft (41), and the other coupling is connected with one end, far away from the propeller (1), of the stern shaft (2).

6. A motor-driven propeller propulsion unit according to claim 2, characterised in that: the diameter of the middle part of one section of the thrust shaft (41) positioned in the thrust shaft seat (42) is larger than the diameters of the two ends.

7. A motor-driven propeller propulsion unit according to claim 1, characterised in that: the stern shaft (2) is rotatably sleeved with a tail pipe.

8. A ship comprising a hull, characterized in that: the hull is provided with a motor driven propeller propulsion unit as claimed in any one of claims 1-7 at its aft end.

Images