KR102677950B1 - Pod-type propulsion apparatus having mutiple strut - Google Patents

Abstract

The present invention includes a steering module that controls hull steering; A pod that provides propulsion by a propulsion motor formed at the front end and a propeller formed at the rear end; and multiple struts, which are composed of a pair spaced apart from each other at a certain distance and fixedly couple the steering module and the pod. Including, compared to a single strut structure, the streamlined double strut structure is implemented in a thin and sleek shape, so that the individual struts Even if the thickness is reduced, propulsion efficiency can be improved by reducing propulsion resistance while improving coupling strength and durability, and by constructing a key plate at the rear end of the strut, steering performance can be improved and propulsion energy can be reduced. Equipped with multiple struts. A pod-type marine propulsion device is provided.

Description

Pod-type marine propulsion device with multiple struts {POD-TYPE PROPULSION APPARATUS HAVING MUTIPLE STRUT}

The present invention relates to a pod-type marine propulsion device having multiple struts. More specifically, it is composed of multiple struts formed in pairs spaced apart from each other, and is capable of improving joint strength and durability while reducing propulsion resistance by reducing the thickness of the struts. It relates to a pod-type marine propulsion device equipped with multiple struts.

The ship's dynamic position (DP) system can fix the ship's position through positioning using GPS and the use of propulsion without using mooring devices.

Such a magnetic position control system is installed and utilized on a drill ship that can perform underwater drilling operations while stopped at a specific location, or an ice breaker that can operate independently while breaking ice in polar regions.

For example, the azimuth thruster or azipod, which is a propulsion device used in the magnetic position control system, is capable of 360° omnidirectional rotation of the propeller, allowing it to freely propulsion, reverse propulsion, or rotate, creating a shuttle tanker. , FPSO (Floating Production Storage Offloading), and is applied to polar cargo ships or passenger ships.

Meanwhile, referring to Figure 1, the commercial pod type propulsion device related to this includes a propulsion module 11 that generates propulsion, a steering module 12 that changes the rotation direction of the propulsion module 11, and a propulsion module 11. It consists of a strut connecting the and steering module (12).

The strut is usually formed as a single streamlined structure to couple the propulsion module and the steering module to each other, but when sailing, the propulsion performance and turning performance are somewhat reduced due to the thickness of the strut.

Accordingly, there was a need to change the structure of the strut and improve the strut structure to improve turning performance by assisting the steering module.

Korean Patent Publication No. 1290805 (Ship equipped with water jet rudder device, 2013.07.30, notice) Korean Patent Publication No. 1195150 (pod-type ship propulsion device, 2012.10.29, notice) Korean Public Utility Model Publication No. 2011-0003277 (Ship with azimuth type propulsion, published on March 31, 2011)

The technical problem to be achieved by the idea of the present invention is to provide a pod-type ship propulsion device with multiple struts, which is implemented in a thin and sleek shape with a streamlined double strut structure and additionally configured with a key plate at the rear end of the struts.

In order to achieve the above-described object, the present invention includes a steering module that controls hull steering; A pod that provides propulsion by a propulsion motor formed at the front end and a propeller formed at the rear end; and multiple struts consisting of a pair spaced apart from each other at a predetermined distance and fixedly coupling the steering module and the pod. It provides a pod-type marine propulsion device including multiple struts.

Meanwhile, a rudder turning space is formed at the front or rear end of each strut of the multiple struts, the rudder turning axis is formed to be rotatable in a direction perpendicular to the rudder turning space, and the rudder is fixed to the rudder turning axis, A drive module may be formed inside each strut to rotate and drive the rudder pivot axis at the front or rear end of each strut.

Additionally, seawater guiding grooves may be formed on both sides of each strut, corresponding to the vertical length of the rudder.

At this time, the seawater guide groove may be formed by chamfering.

Additionally, when steering the hull or controlling the magnetic position of the hull, the drive modules formed on each strut can be driven in conjunction with each other.

Additionally, each strut or rudder may be formed in a streamlined shape.

According to the present invention, compared to a single strut structure, a streamlined double strut structure is implemented in a thin and sleek shape, so that even if the thickness of individual struts is reduced, the joint strength and durability are improved and the propulsion resistance is reduced, thereby improving propulsion efficiency. There is an effect of improving steering performance and reducing propulsion energy by constructing a key board at the rear end of the strut.

Figure 1 illustrates a ship having an azimuth type propulsion according to the prior art.
Figures 2 and 3 show a perspective view of a pod-type marine propulsion device equipped with multiple struts according to an embodiment of the present invention.
FIG. 4 illustrates the rotational drive of the rudder of the pod-type marine propulsion device equipped with the multiple struts of FIG. 3.
FIG. 5 illustrates a modification of the struts of the pod-type marine propulsion device with multiple struts of FIG. 3.

Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. The present invention may be implemented in many different forms and is not limited to the embodiments described herein.

Figures 2 and 3 show a perspective view of a pod-type marine propulsion system with multiple struts according to an embodiment of the present invention, and Figure 4 shows the rotational drive of the rudder of the pod-type marine propulsion system with multiple struts of Figure 3. , and FIG. 5 illustrates a modification of the strut of the pod-type marine propulsion device with multiple struts of FIG. 3.

Referring to Figures 2 to 5, the pod-type marine propulsion device with multiple struts according to an embodiment of the present invention generally includes a steering module 110 that controls steering, a pod 120 that provides propulsion, and It combines the steering module 110 and the pod 120 and consists of multiple struts 130 formed as a pair of spaced apart structures, thereby reducing the thickness of the struts 130 to reduce propulsion resistance and improve joint strength and durability. Make it to the point.

First, the steering module 110 controls the direction of propulsion by controlling hull steering. Meanwhile, inside the stern, there is a Hydraulic Power Unit (HPU) (not shown) that supplies hydraulic pressure to drive the steering module 110, and a gravity tank that supplies lubricant to the steering module 110 by gravity ( (not shown) and a cooling module (not shown) that cools the steering module 110 and the pod 120 by air or water cooling.

Next, the pod 120 provides propulsion by a propulsion motor (not shown) formed at the front end and a propeller 121 formed at the rear end.

Next, the multiple struts 130 are composed of a pair spaced apart at a certain distance based on the center line of the pod 120, and are each formed in a streamlined shape to fixedly couple the steering module 110 and the pod 120 to each other, forming a single Compared to the strut structure, the streamlined double strut structure allows for a thin and sleek shape, improving durability and reducing propulsion resistance even if the thickness of the individual struts 130 is reduced, thereby improving propulsion efficiency.

Meanwhile, an auxiliary key plate may be formed at the front or rear end of each strut 130, that is, the rudder turning space is indented, and the rudder turning shaft 131 is formed to be rotatable in a direction perpendicular to the rudder turning space. The rudder 132 is fixed to the rudder pivot 131, and inside each strut 130 is a drive module (not shown) that rotates by interlocking the rudder pivot 131 at the front and rear ends of the strut 130. poetry) can be formed.

Here, the drive module is composed of a gear stage fixed to the end of the rudder pivot 131 and a motor that rotates the gear stage, or a drive pulley and a drive pulley fastened to a rotating pulley and a chain or timing belt fixed to the end of the rudder pivot shaft 131. It may be composed of a motor that rotates.

That is, as shown in FIG. 4, by the additional configuration of the key board composed of the rudder pivot axis 131, the rudder 132, and the drive module, when turning or positioning, the rotation of the pod 120 Steering performance can be improved by assisting in turning.

Meanwhile, as shown in FIG. 5, seawater guide grooves 133 are chamfered and formed on both sides of each strut 130, corresponding to the vertical length of the rudder 132, thereby accelerating the passage of seawater and allowing seawater to flow through the struts. (130) It is possible to reduce propulsion resistance by encouraging passage through both sides relatively quickly and increasing the lift of the strut 130.

In addition, when steering in a small angle range of the hull or controlling the self-position (DP: Dynamic Position) of the hull, each drive module formed on each strut 130 is driven in conjunction with each other to assist in turning of the hull and Propulsion energy consumption can be reduced.

In addition, the strut 130 or rudder 132 is each formed in a streamlined shape, so that propulsion resistance can be effectively reduced.

Therefore, by the configuration of the pod-type marine propulsion system with multiple struts, as taught, the streamlined double strut structure is implemented in a thin and sleek shape compared to the single strut structure, and the bond strength is improved even though the thickness of the individual struts is reduced. Propulsion efficiency can be improved by reducing propulsion resistance while improving durability, and by constructing a key plate at the rear end of the strut, steering performance can be improved and propulsion energy can be reduced.

The embodiments described in this specification and the configuration shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so various equivalents may be substituted for them at the time of filing the present application. It should be understood that variations and variations may exist.

110: Steering module 120: Ford
121: propeller 130: multiple struts
131: Rudder pivot 132: Rudder
133: Seawater guidance groove

Claims (6)

A steering module 110 that controls hull steering;
A pod (120) that provides propulsion by a propulsion motor formed at the front end and a propeller (121) formed at the rear end; and
It includes multiple struts 130, which are composed of a pair spaced apart at a certain distance and fixedly couple the steering module 110 and the pod 120,
A rudder turning space is formed at the front or rear end of each strut 130 of the multiple struts 130, and a rudder turning axis 131 is formed to be rotatable in a direction perpendicular to the rudder turning space, and the rudder turning axis A rudder 132 is fixed to (131), and a drive module is formed inside each strut 130 to rotate and drive the rudder pivot 131 at the front or rear end of each strut 130. ,
Corresponding to the vertical length of the rudder 132, seawater guiding grooves 133 are formed on both sides of each strut 130,
The seawater guide groove 133 is formed by chamfering,
A pod-type marine propulsion device equipped with multiple struts. delete delete delete According to claim 1,
When steering the hull or controlling the magnetic position of the hull, the drive modules formed on each strut (130) are driven in conjunction with each other. A pod-type ship propulsion device with multiple struts. According to claim 1,
Each of the struts 130 or the rudder 132 is formed in a streamlined shape, a pod-type marine propulsion device with multiple struts.