CN215851820U

CN215851820U - Propulsion device for ship

Info

Publication number: CN215851820U
Application number: CN202122293146.8U
Authority: CN
Inventors: 方德宇; 徐洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-18
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the field of fluid machinery, in particular to a propelling device for a ship, which comprises a shell, an outlet air guide sleeve and an inlet air guide sleeve, wherein the outlet air guide sleeve and the inlet air guide sleeve are arranged at two ends of the shell; the first driven bevel gear is connected with one end of a first roller wheel arranged in the machine shell through a first transmission shaft, and one end of the first roller wheel, which is close to the inlet air guide sleeve, is provided with a first pyramid; the second driven bevel gear is connected with one end of a second roller wheel arranged in the machine shell through a second transmission shaft, and a second pyramid is arranged at one end, close to the outlet air guide sleeve, of the second roller wheel.

Description

Propulsion device for ship

Technical Field

The utility model relates to the field of fluid machinery, in particular to a propelling device for a ship.

Background

The propeller is installed on the blade propeller thruster product at the tail part of the ship body of an aircraft carrier, a warship and a civil ship close to the lower part of the waterline, the blade propeller thruster product is very heavy and has large cost, two fifths of blades are blocked on the ship body, and two fifths of water flow columns are scattered on the ship body in operation, so that the problem of two fifths of back-flushing resistance can be solved; secondly, the pump-spraying type propeller product has the advantages of light weight, quick effect and low investment, but the pump-spraying type propeller product is the same as a vane propeller, is used for water dispersion movement and does not have a certain effective range function for water flow column propulsion, no matter the pump-spraying type propeller product is used for water dispersion movement, no matter the pump-spraying type propeller product is used for water intake with three inlets and five outlets when drinking water, if a water outlet pipe is arranged, the cubic volume of water is larger than the pipe diameter but has resistance, and if the pump-spraying type propeller product is used for water intake with five inlets and three outlets, the pump-spraying type propeller product also has no too large range effect for water flow column propulsion; when a traditional ship turns, the course of the ship can be adjusted only by depending on a rudder arranged at the tail of a ship body, the turning radius is large, the course is difficult to change rapidly in case of emergency, and then the two conventional propeller products have the problems existing in the facts in the use and operation processes.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a propulsion device for a ship comprises a shell, an outlet air guide sleeve and an inlet air guide sleeve, wherein the outlet air guide sleeve and the inlet air guide sleeve are arranged at two ends of the shell; the first driven bevel gear is connected with one end of a first roller wheel arranged in the machine shell through a first transmission shaft, and one end of the first roller wheel, which is close to the inlet air guide sleeve, is provided with a first pyramid;

the second driven bevel gear is connected with one end of a second roller wheel arranged in the machine shell through a second transmission shaft, and a second pyramid is arranged at one end, close to the outlet air guide sleeve, of the second roller wheel.

As an improvement, spiral guide vanes are arranged on the outer peripheral surfaces of the first roller wheel and the second roller wheel.

As an improvement, the outer parts of the first transmission shaft and the second transmission shaft are respectively connected with the inner wall of the shell through bearing seats.

As an improvement, one end of the driving shaft, which is far away from the driving bevel gear, is connected with the universal transmission head.

As an improvement, the inlet guide cover is of a gradually expanding pipe structure along the flow direction of the fluid, the inlet of the inlet guide cover is connected with the inlet pipe, and the pipe body of the inlet pipe is provided with a flow regulating valve.

As the improvement, the casing both ends all are equipped with the mounting bracket that is used for being connected with the hull.

As an improvement, the outlet guide cover is arranged to be a gradually expanding structure along the flow direction of the fluid, and the second pyramid and the outlet guide cover are coaxially arranged.

After adopting the structure, the utility model has the following advantages:

1. the propeller product adopts the spiral guide vane structure on the outer peripheral surface of the water wheel, so that the cavitation phenomenon at the contact position of the vanes and water can be prevented in the working process of the propeller, and the fatigue damage of the surface material of the vanes can be reduced;

2. the device has compact structure, high transmission efficiency and large driving force generated by unit volume, and is easy to produce and manufacture according to the actual requirement of the ship on matching the power and the rotating speed of the engine;

3. the propeller product is applied and installed on warships and ships, and in operation, by combining the above principles and through matching power, the transmission device from the speed change gear box to the universal joint transmission shaft lever is connected to the middle section of the propeller, water is squeezed and pushed out from a cylinder with eight meters of stroke by high-speed rotation and pressurization in the machinery through high-speed operation, so that the back flushing driving force of a high-pressure water flow column is formed, and the high-efficiency propulsion effect is really achieved;

4. compared with the traditional ship propeller, the jet devices are arranged on two sides of the ship body, and the output power of the jet devices on the two sides is changed to drive the ship to quickly steer.

Drawings

FIG. 1 is a schematic view of a propulsion device;

fig. 2 is a schematic view of the internal structure of the propulsion device.

As shown in fig. 1-2: 1. casing, 2, export kuppe, 3, import kuppe, 4, drive shaft, 5, drive conical gear, 6, first driven conical gear, 7, the driven conical gear of second, 8, first transmission shaft, 9, second transmission shaft, 10, first roller wheel, 11, second roller wheel, 12, first pyramid, 13, second pyramid, 14, import pipe, 15, flow control valve, 16, universal drive head, 17, mounting bracket, 18, bearing frame.

Detailed Description

With reference to fig. 1-2, a propulsion device for a ship comprises a casing 1, and an outlet air guide sleeve 2 and an inlet air guide sleeve 3 which are arranged at two ends of the casing 1, wherein a driving shaft 4 extending into the casing 1 is arranged at a position of the casing 1 close to the middle of the casing, a driving bevel gear 5 is arranged at one end of the driving shaft 4 positioned in the casing 1, and the driving bevel gear 5 is respectively engaged with a first driven bevel gear 6 and a second driven bevel gear 7; the first driven bevel gear 6 is connected with one end of a first roller wheel 10 arranged in the machine shell 1 through a first transmission shaft 8, and one end of the first roller wheel 10 close to the inlet air guide sleeve 3 is provided with a first bevel cone 12;

the second driven bevel gear 7 is connected with one end of a second roller wheel 11 arranged in the machine shell 1 through a second transmission shaft 9, and one end, close to the outlet air guide sleeve 2, of the second roller wheel 11 is provided with a second pyramid 13.

In a preferred embodiment of this embodiment, the first roller wheel 10 and the second roller wheel 11 are provided with spiral guide vanes on the outer circumferential surfaces thereof.

As a preferred embodiment of this embodiment, the exterior of the first transmission shaft 8 and the exterior of the second transmission shaft 9 are respectively connected to the inner wall of the housing 1 through a bearing seat 18.

In the preferred embodiment, the end of the driving shaft 4 away from the driving bevel gear 5 is connected to a universal joint 16.

As a preferred embodiment of this embodiment, the inlet dome 3 is in a divergent pipe structure along the fluid flow direction, the inlet of the inlet dome 3 is connected to an inlet pipe 14, and a flow regulating valve 15 is installed on the body of the inlet pipe 14.

As a preferred embodiment of the present embodiment, the housing 1 is provided with mounting brackets 17 at both ends for connecting with the hull.

As a preferred embodiment of the present embodiment, the outlet dome 2 is arranged in a diverging configuration in the fluid flow direction, and the second pyramid 13 is arranged coaxially with the outlet dome 2.

In the specific implementation of the utility model, as shown in fig. 1-2, a power shaft of a ship is in power connection with a driving shaft 4 through a universal transmission head 16, the driving shaft 4 drives a driving bevel gear 5 to rotate, a first driven bevel gear 6 and a second driven bevel gear 7 respectively drive a first transmission shaft 8 and a second transmission shaft 9 to rotate, then a first roller wheel 10 and a second roller wheel 11 rotate around the axis of a machine shell 1, water flows into the machine shell from an inlet pipe and is accelerated by sequentially passing through the first roller wheel 10 and the second roller wheel 11, finally water is ejected from an outlet guide cover 2, and the ejected water flow applies a reaction force to the machine shell to push the ship to advance.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A propulsion arrangement for a marine vessel, characterised by: the air conditioner comprises a machine shell (1), and an outlet air guide sleeve (2) and an inlet air guide sleeve (3) which are arranged at two ends of the machine shell (1), wherein a driving shaft (4) extending into the machine shell (1) is arranged at the position, close to the middle of the machine shell, of the machine shell (1), a driving conical gear (5) is arranged at one end, located inside the machine shell (1), of the driving shaft (4), and the driving conical gear (5) is respectively in meshed connection with a first driven conical gear (6) and a second driven conical gear (7); the first driven bevel gear (6) is connected with one end of a first roller wheel (10) arranged in the machine shell (1) through a first transmission shaft (8) in a shaft mode, and one end, close to the inlet air guide sleeve (3), of the first roller wheel (10) is provided with a first pyramid (12);

the second driven bevel gear (7) is connected with one end of a second roller wheel (11) arranged in the machine shell (1) through a second transmission shaft (9), and a second pyramid (13) is arranged at one end, close to the outlet air guide sleeve (2), of the second roller wheel (11).

2. A propulsion arrangement for a marine vessel as claimed in claim 1, wherein: spiral guide vanes are arranged on the outer peripheral surfaces of the first roller wheel (10) and the second roller wheel (11).

3. A propulsion arrangement for a marine vessel as claimed in claim 1, wherein: the outer parts of the first transmission shaft (8) and the second transmission shaft (9) are respectively connected with the inner wall of the machine shell (1) through a bearing seat (18).

4. A propulsion arrangement for a marine vessel as claimed in claim 1, wherein: one end of the driving shaft (4) far away from the driving conical gear (5) is connected with a universal transmission head (16).

5. A propulsion arrangement for a marine vessel as claimed in claim 1, wherein: the inlet air guide sleeve (3) is of a gradually-expanding pipe structure along the flow direction of fluid, an inlet of the inlet air guide sleeve (3) is connected with an inlet pipe (14), and a flow regulating valve (15) is arranged on the pipe body of the inlet pipe (14).

6. A propulsion arrangement for a marine vessel as claimed in claim 1, wherein: the two ends of the shell (1) are provided with mounting frames (17) used for being connected with a ship body.

7. A propulsion arrangement for a marine vessel as claimed in claim 1, wherein: the outlet air guide sleeve (2) is arranged to be a gradually expanding structure in the fluid flow direction, and the second pyramid (13) and the outlet air guide sleeve (2) are coaxially arranged.