KR101720789B1

KR101720789B1 - Small boat with intension structure and manufacturing method of it

Info

Publication number: KR101720789B1
Application number: KR1020150046967A
Authority: KR
Inventors: 최기혁; 이용진; 이원민
Original assignee: 에스디엔 주식회사
Priority date: 2015-04-02
Filing date: 2015-04-02
Publication date: 2017-04-03
Also published as: KR20160119322A

Abstract

The present invention relates to a small ship having an insert insert including two reinforcing plates spaced apart from each other by a predetermined distance, thereby improving the strength of the ship and facilitating the drying of the ship, and a method of manufacturing the same.
A small ship according to the present invention comprises: a hull comprising a bottom shell and a side shell extending upward from both sides of the bottom shell; Insert seats having two transverse steel members installed inside the hull and spaced apart from each other along the longitudinal direction of the hull and connecting plates connecting the upper ends of the transverse steel members; And a deck supported by the connecting plate of the insert insert.

Description

Small boat with intension structure and manufacturing method of it

The present invention relates to a small ship and a method of manufacturing the same. More particularly, the present invention relates to a small ship having an insert insert including two reinforcing plates spaced apart from each other by a predetermined distance to improve the strength of the ship, Ship and method of making the same.

Generally, "vessel" is a collective term for water transportation means of carrying people and goods on water.

Such ships may be divided into various categories according to their needs. However, depending on the purpose of use, which is a classification standard, there are commercial vessels, fishing vessels, fishing vessels, leisure vessels, And small ships (30 to 50ft). Depending on the speed, it can be divided into 40knot, rapid speed, high speed line (more than 25knot) and general line.

As shown in Fig. 1, in the conventional FRP small vessel, diaphragms 3 in the form of plates are provided in the ship hull 2 so as to be spaced apart along the longitudinal direction of the ship and to support the diaphragm 3 And a plurality of support rods 4 extending along the longitudinal direction of the hull 2 are installed.

When manufacturing an aluminum ship with such a conventional structure, the ship 1 is a steel plate having a predetermined thickness when welding the side shells constituting the diaphragm 3 and the hull 2, and therefore, It was difficult to process the shell to form a curved surface and it was difficult to dry the ship unless it was a skilled engineer.

Furthermore, in the case of aluminum, when the diaphragm is formed by a single member due to its unique elasticity and strong restoring force, it is difficult to deform and adjust the diaphragm.

Korean Patent Laid-Open No. 10-2011-0118281: Ultralight hull structure of aluminum leisure vessel Korean Registered Utility Model No. 20-0388914: Small Ship Void Space Structure

It is an object of the present invention to provide a small ship which can easily be manufactured through an insert insert including two transverse steels spaced apart from each other by a predetermined distance and which can be welded easily so that the side shell of the hull becomes curved, Method.

A small ship according to the present invention comprises: a hull comprising a bottom shell and a side shell extending upward from both sides of the bottom shell; Insert seats having two transverse steel members installed inside the hull and spaced apart from each other along the longitudinal direction of the hull and connecting plates connecting the upper ends of the transverse steel members; And a deck supported by the connecting plate of the insert insert.

The insert comprises a first structure having two first transverse steels spaced along a longitudinal direction of the hull and a first connecting plate connecting upper ends of the first transverse steels to support the deck, A second transverse steel member spaced apart along the longitudinal direction of the first transverse steel member and having protrusions projecting upward on both sides of the upper end thereof, a second connecting plate interconnecting the upper inside of the second transverse steel member, And a third connection plate interconnecting the upper ends of the protrusions of the first structure.

Wherein the insert is formed by welding the two unit members in a state where the two unit members are seated on the welding jig, the welding jig being spaced along the longitudinal direction of the upper plate, the outer surface of the two transverse steel members Two support members formed so that support grooves having a width corresponding to the separation distance of the two transverse steel members can be supported so as to be pulled downward from the upper end, A connecting member which is seated in a support groove of the member and supports a lower surface of the upper plate and a suction hole formed in the connecting member so that when the upper plate of the unit member is seated on the connecting member, And a vacuum pump for causing the insert to be attracted to the connecting member, Two marking portions are formed on the lower surface of the upper plate exposed to the connecting member so that the alignment state can be maintained while the unit members are seated and fixed so that the marking portions are mutually aligned along the longitudinal direction of the upper plate And the jig mounting position may be marked at a position spaced a predetermined distance from each side edge of the upper plate.

The marking portion is formed as a protrusion having an outer diameter corresponding to a suction hole formed in the connection member, and when the upper plate is seated on the connection member, the protrusion is inserted into the suction hole to define a seating position .

Preferably, the insert unit is formed so that two unit members made of the transverse steel and the upper plate bent at the upper end of the transverse steel member are formed so that the upper plates can contact each other to form the connecting plate.

A method of manufacturing a small ship according to the present invention comprises the steps of: placing a bottom shell and a side shell for forming a hull on a ship making jig; Placing an insert insert on an upper side of the bottom shell seated on the jig, the insert plate including two transverse steel members spaced along the longitudinal direction of the bottom shell and a connecting plate connecting the upper ends of the transverse steel members; Attaching the insert shell to the bottom shell and the side shell by mutually joining the insert shell with each other through welding, and forming a hull; And installing a deck or a wheelhouse on top of the insert insert.

The small ship according to the present invention and its manufacturing method are advantageous in that a plurality of support structures are not mounted but only a bending-formed insert is supported, thereby facilitating accuracy and simplifying a manufacturing process.

In addition, according to the present invention, it is possible to easily process the side shell of the hull so that the side shell of the hull becomes a curved shape when manufacturing the ship, and as a result, the quality of the ship can be produced in a short time.

1 is a perspective view showing an internal structure of a conventional small ship.
2 is a perspective view showing a small ship according to the present invention.
Fig. 3 is an exploded perspective view of the small craft of Fig. 2;
4 is a perspective view of the insert assembly of FIG. 2;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a small-sized ship having an insert insert according to an embodiment of the present invention and a method of manufacturing the same will be described in detail with reference to the accompanying drawings. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention in order to clarify the present invention.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

2 and 3 show a small ship 10 (hereinafter referred to as "ship") according to the present invention.

The ship 10 is provided with a hull 100, an insert insert 200 formed inside the hull 100, and a deck 300 installed on the insert insert 200.

The hull 100 includes a BTM SHELL 110 and a side shell 120 extending upward from both sides of the bottom shell 110, The width becomes gradually wider as it extends from the front end to the rear side so as to facilitate the following.

An engine mount 140 is formed on the rear portion of the hull 100 so that the outboard motor 150 can be mounted on the engine mount 140. A lower portion of the outboard motor 150 extends to the lower portion of the hull 100, A mounting hole 141 is formed so as to be able to be locked to the mounting hole 141.

A chain 130 extending from the front to the rear and protruding toward the inside of the hull 100 is formed on both inner side surfaces of the hull 100. The chain 130 is formed so as to be easily supported by the insert insert 200 to be described later.

The insert insert 200 is provided inside the hull 100 to maintain the shape of the hull 100 and increase the strength of the hull 100. [

The insert assembly 200 includes a first structure 210 installed at a front portion of the hull 100 and a second structure 220 installed at a rear portion of the hull 100. As described above, since the hull 100 is formed so as to have a wider width as it goes from the front to the rear, the first structures 210 are formed to have different lengths depending on their installation positions, but the structural characteristics are the same Do.

As shown in FIG. 3, the first structure 210 includes two first transverse steel members 211 spaced apart from each other along the front-rear direction of the hull 100, And a first connection plate (214) connecting the first connection plate

A seating portion 212 corresponding to the shape of the chain 130 is formed at both lower sides of the first transverse steel 211 so as to be seated on the chain 130 of the hull 100, An inclined portion 213 is formed so as to be gradually narrower as the width of both sides is downwardly corresponding to the bottom surface shape of the hull 100 from the hull 212.

The size and shape of the inclined portion 213 and the seating portion 212 correspond to the internal structure of the hull 100 on which the first structure 210 is installed and are mutually coupled through welding.

The first connection plate 214 serves as a support for supporting the deck 300 when the deck 300 is installed by interconnecting the upper ends of the first transverse steel members 211.

In the present embodiment, two unit members 240 are manufactured in a state that the central portion of the first connection plate 214 is cut, and then the center connection portion of the first connection plate 214 is welded The first structure 210 may be formed by bending a single cut sheet material.

The second structure 220 includes two second transverse steel members 221 spaced along the longitudinal direction of the hull 100 as shown in FIG. 4, and an inner upper end of the second transverse steel member 221 And a third connecting plate 226 interconnecting the outer ends of the second connecting plate 225 and the second transverse steel member 221 which interconnect each other.

The second transverse steel member 221 is formed with a seating portion 222 that is seated on the chain 130 on both sides of the lower portion in the same manner as the first transverse steel member 211. As it extends downward toward the inside of the seating portion 222 An inclined portion 223 whose width gradually decreases is formed. In addition, protruding portions 224 protruding upward are formed on both side edges of the second transverse steel material 221.

The second connection plate 225 connects the upper portion of the second transverse steel member 221 and interconnects the inner upper portion of the second transverse steel member 221 without the protrusion 224 formed therebetween. The third connecting plate 226 connects the upper ends of the protruding portions 224 and two third connecting plates 226 are formed on the upper ends of the second transverse steel material 221 on both sides.

The second connecting plate 225 and the third connecting plate 226 are formed with a step difference in the vertical direction by the height of the protruding portion 224. The third connecting plate 226 is a height corresponding to the first connecting plates 214 of the first structure 210 to support the deck 300. The second transverse steel 221 is supported by the wheelhouse 310 So as to be able to support the steering column plate 320.

The second structure 220 is also formed by welding two unit members 240 together like the first structure 210. The second structure 220 is formed by welding the upper plate 241 bent at the upper portion of the second transverse steel 221 in the mutually abutted state.

Reference numeral 230 denotes a longitudinal stiffener (Longi) installed to support between the insert inserts 200 and serves to reinforce the bearing force against the external force received by the insert inserts 200 in the longitudinal direction of the ship 100.

6 shows the construction of the welding jig 400 for manufacturing the insert insert 200. As shown in FIG.

The insert jig 400 is formed by welding the support member 410 and the connecting member 420 and the insert member 200. The insert jig 400 is formed by welding two unit members 240 on the welding jig 400, And a vacuum pump 430.

The support members 410 are installed to be spaced apart from each other along the longitudinal direction of the upper plate 241 of the unit member 240, and a support groove 411 is formed at the upper end thereof. The support groove 411 has a width corresponding to the separation distance of the transverse steel so that the outer surface of each of the transverse steel members can be supported when the unit members 240 are seated for engagement.

The connection member 420 interconnects the support members 410. Both ends of the support members 410 are supported by the support grooves 411 of the support members 410 and a suction hole 421 penetrating the upper and lower surfaces of the support member 410 is formed . The suction holes 421 are spaced from each other along the longitudinal direction of the connecting member 420 and four are formed at a distance from both ends of the connecting member 420. Two suction holes 421 of the four suction holes 421 are formed at positions corresponding to the upper plate 241 of one unit member 240 and the remaining two suction holes 421 are formed at positions corresponding to the other unit member 240, And the upper plate 241 of the second plate 241 is formed.

When the upper plate 241 of the unit member 240 is seated on the connecting member 420, the upper plate 241 is connected to the connecting member 420 The air in the upper plate 241 and the suction hole 421 is discharged to be adsorbed.

The top plate 241 is formed with a marking portion 250 on which a portion to be placed at a position where the suction hole 421 is formed is displayed. When the two unit members 240 are welded by positioning the marking portion 250 at the position where the suction hole 421 is formed, the alignment position can be easily adjusted. In particular, since the welding jig 400 sucks and fixes the two unit members 240 before welding, it is possible to prevent the welding position from being changed in the welding process of the unit members 240.

Although not shown, the marking portion 250 may be formed as a protrusion having an outer diameter corresponding to the diameter of the suction hole 421. In this case, when the upper plate 241 is seated on the upper portion of the connecting member 420, the protrusion is inserted into the suction hole 421 to determine the seating position, so that the unit member 240 is attached to the welding jig 400 It can be easily aligned and seated.

6, the welding jig 400 supports the first structure 210, but the welding jig 400 may be formed to support the second structure 220.

A method of manufacturing the small ship 10 having the insert insert 200 according to the present invention is as follows.

First, the bottom shell 110 and the side shell 120 for forming the hull 100 are mounted on a jig for manufacturing the ship 10. At this stage, the side shell 120 is in the form of a cut sheet, and the shape of the hull 100 is not yet formed.

Thereafter, after inserting the insert insert 200 into the bottom shell 110, the insert insert 200 and the bottom shell 110 and the side shell 120 are welded to each other. Since the insert inserts 200 are formed so as to be gradually narrower along the direction extending from the rear of the hull 100 toward the front side, in the process of welding the insert inserts 200 to the insert inserts 200 in the case of the side shells 120 The curved surface shape is formed so that the front portion of the hull 100 naturally becomes narrower in width.

When the insert assembly 200 is coupled with the hull 100, the deck 300 and the steering column plate 320 are mounted on the upper portion of the insert insert 200, ). Then, the boat 10 is completed by attaching the outboard motor 150 to the rear of the ship 100.

The small ship 10 having the insert insert 200 according to the present invention described above can more easily manufacture the hull 100 through the structure of the insert insert 200, The time period can be shortened and the manufacturing cost can be reduced.

10; Small vessel
100; Hull 110; Bottom shell
120; Side shell 130; chain
140; An engine mounting portion 141; Mounting hole
150; Outboard device 200; Insert ASEI
210; A first structure 211; The first transverse steel
212; A seating portion 213; Inclined portion
214; A first connecting plate 220; The second structure
221; Second transverse steel member 222; Seat portion
223; An inclined portion 224; projection part
225; A second connecting plate 226; Third connecting plate
230; Longitudinal stiffener 240; Unit member
241; Top plate 250; The marking portion
300; Deck 310; wheelhouse
320; Wheelhouse plate 400; Welding jig
410; A support member 411; Support groove
420; A connecting member 421; Suction hole
430; Vacuum pump

Claims

A hull comprising a bottom shell (BTM SHELL) and a side shell extending upward from both sides of the bottom shell;
An insert ASS'Y which is installed in the inside of the hull and includes two transverse steels spaced apart from each other along the longitudinal direction of the hull and a connecting plate connecting the upper ends of the transverse steels;
And a deck supported on the connecting plate of the insert insert,
The insert comprises a first structure having two first transverse steels spaced apart along a longitudinal direction of the hull and a first connecting plate connecting the upper ends of the first transverse steels to support the deck,
A second transverse steel member spaced apart along a longitudinal direction of the hull and having protrusions protruding upward from both upper ends thereof; a second connecting plate interconnecting the upper inside of the second transverse steel member; A second structure including a third connecting plate interconnecting the tops of the projections of the steel,
Wherein the insert unit comprises two unit members made up of the transverse steel material and the upper plate bent at the upper end of the transverse steel material so that the upper plates can contact each other to form the connecting plate.

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The method according to claim 1,
The insert is formed by welding the two unit members in a state where they are seated on a welding jig,
The welding jig is spaced along the longitudinal direction of the upper plate and has a support groove having a width corresponding to the separation distance of the two transverse steel members so that the outer surfaces of the two transverse steel members forming the insert tube can be respectively supported Two support members formed to be pulled downward from the upper end,
A connecting member that connects the support members to each other and has both ends seated in the support grooves of the support member and supports the lower surface of the upper plate,
And a vacuum pump communicating with a suction hole formed in the connecting member and sucking the upper plate to the connecting member when the upper plate of the unit member is seated on the connecting member,
The insert unit is formed with two marking parts on the lower surface of the upper plate exposed to the connection member so that the unit members are seated and fixed at a predetermined position of the welding jig so that the alignment state can be maintained while welding is performed, Wherein the marking portions are spaced apart from each other along the longitudinal direction of the upper plate and the jig mounting position is marked at a position spaced a predetermined distance from each side edge of the upper plate.

5. The method of claim 4,
The marking portion is formed as a protrusion having an outer diameter corresponding to a suction hole formed in the connection member and is formed such that when the upper plate is seated on the connecting member, the projection is inserted into the suction hole to determine a seating position Small ship featuring.

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