WO2019059534A1

WO2019059534A1 - Topside deck-installation guide device, and operation method and installation method therefor

Info

Publication number: WO2019059534A1
Application number: PCT/KR2018/009534
Authority: WO
Inventors: 성홍근; 김도엽; 이강수; 박병재; 김현석
Original assignee: 한국해양과학기술원
Priority date: 2017-09-21
Filing date: 2018-08-20
Publication date: 2019-03-28
Also published as: KR20190033303A; KR102009247B1

Abstract

The present invention comprises: a main body which is raised and lowered by means of an external force, and in a lower portion of which is formed a first coupling part; a lower support body in which is formed a second coupling part corresponding to the first coupling part of the main body and is coupled to the main body and at the same time supports the main body; and an angle conversion unit which is installed in the first coupling part or the second coupling part and the angle of which is adjusted according to whether or not the first and second coupling parts are coupled, wherein the angle conversion unit guides the first coupling part of the main body and the second coupling part of the lower support body so that the first and second coupling parts become aligned and coupled while the cross-sectional area is changed through the angle adjustment. When raising and lowering the main body in order to couple same to the lower support body, vertical alignment can be easily guided through the angle conversion unit which further expands the range of the cross-sectional area that can contact with respect to the first and second coupling parts that are coupled to each other, and thus a more rapid and accurate installation can be achieved.

Description

Topside-deck installation induction device, its operating method and installation method

The present invention can easily induce vertical alignment through a configuration in which an upper plant lifted by an external force is extended in a cross sectional area range in which the upper plant can be contacted with the mutual engagement portion when the lower plant is engaged with the lower support structure, The present invention relates to a topside deck installation induction device capable of achieving accurate installation, a method of operating the topside deck installation device, and a method of installing the topside deck installation device.

Generally, in installing a fixed offshore structure, a truss type jacket fixed to the sea floor and rising to the sea level, an upper plant (a top side deck (not shown) supported on a sea surface while being supported by a jacket, , Topside Deck), and the jacket is first installed in the sea, and then the upper plant is placed on the jacket to complete the installation.

That is, when the jacket and the upper plant are combined, a float over method is often used in which the upper plant, which is a heavy product, is placed on the upper portion of the jacket.

Here, the connection portion between the jacket and the upper plant is referred to as an LMU (Leg Mating Unit), and a funnel-shaped portion having a receiving space in the connection portion is referred to as a receptor and a protruding portion received in the receiving space of the receptor Stabbing cones.

The coupling between the jacket and the upper plant is achieved by the coupling of the receptacle and the staking cone. When the marine environment is rough, the movement of the installation ship (or barge) carrying the upper plant becomes large, The vertical alignment of the ice cone becomes difficult, and it is inconvenient to install the upper plant on the jacket.

Nevertheless, if the installation is forcibly carried out, it may cause another marine accident such as collision or falling between the structures, so it is urgent to develop a technique for fast and stable alignment between the receptor and the staking cone.

The present invention has been made in order to overcome the problems of the prior art as described above, and it is an object of the present invention to provide a structure in which an upper plant, which is lifted and lowered by an external force, The present invention is directed to a topside deck installation apparatus, a method of operating the topside deck installation apparatus, and a method of installing the topside deck installation apparatus.

Another object of the present invention is to provide a topside-deck installation induction device, a method of operating the same, and a method of installing the topside-deck installation device, which can simplify the process and lower the production cost by designing a relatively simple structure for expanding the contactable cross- .

Another object of the present invention is to provide a topside-deck installation apparatus capable of promptly responding to a variety of marine accidents by informing the user when an erroneous connection is generated while monitoring whether or not normal coupling between the upper plant and the lower support structure is monitored in real- do.

In order to attain the above object, the present invention provides a topside deck installation induction device comprising: a main body having a first coupling portion formed at an upper portion thereof by an external force; A lower support having a second engaging portion corresponding to the first engaging portion of the main body and supporting the main body while engaging with the main body; And an angle conversion unit installed at the first or second coupling unit and adjusting the angle depending on whether the first and second coupling units are coupled to each other, The first engaging portion of the main body and the second engaging portion of the lower supporting body may be aligned and engaged.

The first and second coupling parts may be formed in a shape of a fillet having an inclined surface along the circumference of the first and second coupling parts, and the other of the first and second coupling parts may be recessed And the angular conversion unit may be formed radially from the center of the flat section of one of the first and second engaging portions when the first and second engaging portions are separated from each other, The first engaging portion and the second engaging portion can be stuck on the engraved portion while being angularly adjusted between the first and second engaging portions when engaging the first and second engaging portions.

The angle conversion unit may include: a base panel installed at a central portion; A plurality of elastic hinge members installed at predetermined intervals along the periphery of the base panel; And a hinge member which is rotatably supported by the hinge member, and when the first and second coupling portions are separated from each other, the hinge member is radially expanded from the base panel by an elastic force of the hinge member, And a plurality of flow panels which are exposed to one of the first and second engaging parts and are tightly received between the first and second engaging parts while being inclined toward the base panel by pressing.

The angle conversion unit may be installed on any one of the first and second coupling parts on which the base panel is disposed and connected to a lower portion of the base panel. While the lower part of the base panel is supported and fixed, As shown in Fig.

Also, the fixing member may be any one of a cushion, a spring, a sponge, and a rubber having a buffering force set to absorb an impact due to the coupling between the first and second coupling portions.

A sensor for measuring a pressure generated due to the engagement of the first and second coupling parts while measuring a distance between the first and second coupling parts, at least one of the first coupling part and the second coupling part, unit; And a controller installed in the main body, connected to the sensor unit, and calculating a measured value from the sensor unit to determine whether the first and second coupling units are coupled.

Further, the sensor unit may be composed of a distance measuring sensor and a pressure measuring sensor.

The controller may further include a signal output unit connected to the controller and outputting a signal set by control of the controller to the outside when it is determined that the first and second coupling units are misjudged through the controller .

The controller may further include a photographing unit installed in the main body and photographing a surrounding image, and the controller may detect an image photographed by the photographing unit, It is possible to judge whether or not the coupling part is coupled, and to control the signal output from the signal output unit to be outputted when it is determined that the first and second coupling parts are misjoint.

A method of operating the topside deck installation apparatus includes: A) a main body is raised and lowered to an upper side by an external force; B) the first engaging portion of the body is vertically aligned with the second engaging portion while being guided by the angle converting unit on the lower supporting side; And C) adjusting the angle of the angle changing unit due to the pressing of the first engaging portion.

The method for installing the topside deck installation induction device includes the steps of: a) installing a fixing member of the angle conversion unit on a lower support; b) mutually coupling the base panel and the flow panel through the hinge member of the angle conversion unit; And c) installing the base panel coupled through step b) on the fixing member installed through step a).

The topside deck installation induction device, its operation method and installation method according to the present invention are characterized in that a main body which is raised and lowered by an external force has a cross sectional area range that can be contacted with the first and second coupling sections It is possible to easily induce vertical alignment through an angular conversion unit which is further extended, so that a quick and accurate installation can be achieved.

In addition, since the structure of the angle conversion unit is designed to have a relatively simple structure, it is possible to simplify the process and to induce an inexpensive production unit cost.

In addition, it is possible to monitor whether or not a normal coupling between the main body and the lower supporter is monitored in real time through the sensor unit, the controller, and the photographing unit, and to promptly inform the user through the signal output unit have.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing the overall configuration of a topside deck installation induction device according to an embodiment of the present invention; FIG.

2 is a view showing a first engaging portion, a second engaging portion, and an angle changing unit in which the main body of the installation inducing device and the lower support are engaged;

3 is a view showing the angle conversion unit inducing vertical alignment between the main body and the lower support;

4 to 6 are views showing a state in which the main body and the lower support are separated before coupling.

7 to 9 are views showing a state where the main body and the lower support are combined.

10 is an operational state diagram showing a change in the operation of the angle conversion unit during the process of coupling the main body and the lower support.

11 is a flowchart showing a method of operating the installation inducing device.

12 is a flowchart showing a method of installing the installation induction device.

Description of the Related Art

100: installation induction device 110: main body

111: first coupling portion 120: lower support

121: second coupling portion 130: angle conversion unit

131: base panel 132: hinge member

133: Flowing panel 134: Fixing member

140: sensor unit 141: distance measuring sensor

142: Pressure measuring sensor 150: Controller

160: Signal output unit 170:

V: Ship

S10: Main body elevating step S20: First and second engaging portion alignment steps

S30: Angle adjustment unit angle adjustment step S100: Fixing member installation step

S200: panel joining step S300: panel mounting step

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. It should also be understood that the position or arrangement of individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

FIG. 1 is a view showing the overall construction of a topside deck installation induction device in an embodiment of the present invention. FIG. 2 is a perspective view of a topside deck installation device according to an embodiment of the present invention, FIG. 3 is a view showing a state in which the angle conversion unit induces vertical alignment between the main body and the lower support, and FIGS. 4 to 6 show a state in which the main body and the lower support are separated before coupling And FIG. 10 is an operational state view showing changes in the operation of the angle conversion unit in the process of coupling the main body and the lower support. FIG. And FIG. 12 is a flowchart illustrating a method of installing the installation inducing apparatus.

1 to 12, a topside deck installation induction apparatus 100 according to the present invention includes a main body 110, a lower support 120, an angle conversion unit 130, a sensor unit 140, A display unit 150, a signal output unit 160, and a photographing unit 170.

The main body 110 is a skeleton that supports all components to be described later and supports the structure so that the shape of the main body 110 can be maintained. Preferably, the main body 110 is lifted by an external force and mounted on a lower support 120 to be described later, Or may be a plant disposed on the sea surface while being supported by the water surface 120.

However, the external force referred to in the present invention is not a force generated by a natural phenomenon but a force applied by an elevating device such as a floating crane (not shown) or a separate mechanical device such as a ship V according to a float- it means.

The main body 110 is also referred to as a " topside deck ", and various work spaces and residence holes can be disposed. A lower portion of the main body 110 is coupled to the lower support 120 111 may be formed.

The first coupling portion 111 may be a stabbing cone protruding in a fillet shape with an inclined surface along the periphery, but the present invention is not limited thereto.

The lower support 120 is a structure that is installed in water and supports the main body 110 while being coupled with the main body 110. In order to support a load acting on the main body 110, It can be made of a frame (frame).

The lower support 120 is also referred to as a " jacket ". The lower support 120 is manufactured in various trusses and can be fixed to the sea floor through a separate fixing means (not shown) A second coupling portion 121 corresponding to the first coupling portion 111 may be formed and exposed on the sea surface.

The second engaging portion 121 is formed in a funnel shape that is recessed and concave to correspond to the first engaging portion 111 to receive and accommodate the first engaging portion 111, But it is not limited thereto.

The first and

second coupling parts

111 and 121 are generally referred to as LMUs (Leg Mating Units), and their structures can be changed. Since the first and

second coupling parts

111 and 121 are generally known technologies, a detailed description thereof will be omitted. .

According to the present invention, it is preferable that the angle converting unit 130 is installed in the second engaging part 121, And a function of guiding the first and second

engaging parts

111 and 121 to be aligned and joined together while changing the cross-sectional area through angle adjustment.

When the first and

second coupling portions

111 and 121 are separated from each other, the angle conversion unit 130 is radially expanded from the center of the flat section of the second coupling portion 121, The first and second engaging

portions

111 and 121 can be accommodated between the first and second engaging

portions

111 and 121 when the first and second engaging

portions

111 and 121 are engaged with each other. And the second engaging part 121 is in close contact with the second engaging part 121 while being adjusted in angle.

3, the angular conversion unit 130 according to the present invention enlarges the acceptable range of the second engaging part 121 with respect to the first engaging part 111, The hinge member 132, the moving panel 133, and the fixing member 131. [0040] The first and second connecting

portions

121 and 121 may be slidably received in the direction of the second coupling portion 121, (134).

The base panel 131 may be popped up by the elasticity of the hinge member 132 to be described later and the expansion of the fluid panel 133 to be described later, The first and second engaging portions 121 and 122 may be formed to have the same area as a plane portion of the second engaging portion 121 according to the present invention.

The hinge member 132 provides an elastic force to automatically open the flow panel 133. The hinge member 132 may be installed at a plurality of intervals along the circumference of the base panel 131. Preferably, Can be applied.

The flow panel 133 is a plurality of panels that rotate with respect to the base panel 131 by the elastic force of the hinge member 132 or the pressing of the first and

second coupling portions

111 and 121, (Not shown).

4 to 6, when the first and second engaging

portions

111 and 121 are separated from each other, the flow panel 133 is elastically deformed by the elastic force of the hinge member 132, And a part thereof may be exposed to the outside of the second engaging part 121. [

At this time, the flow panel 133 is on the edge of the second engaging part 121, and the base panel 131 may be separated from the plane part of the second engaging part 121 have.

7 to 9, when the first and

second coupling parts

111 and 121 are engaged, the first and

second coupling parts

111 and 121 are in contact with each other, So that the first and

second coupling parts

111 and 121 can be closely contacted with each other while being inclined toward the base panel 131.

For this purpose, it is preferable that the flow panel 133 is formed to have a size corresponding to the width of the inclined surface of the second engaging portion 121.

Although the flow panel 133 is shown as a plane in the drawing of the present invention, the first and

second coupling portions

111 and 121 may be formed in the same shape as the first and

second coupling portions

111 and 121, And may have a curved surface corresponding to the inclined surface.

According to the embodiment of the present invention, the fixing member 134 is provided to be capable of being drawn in / out from the second engaging portion 121, And a lower portion of the base panel 131 and supports and fixes the lower portion of the base panel 131. [

The fixing member 134 may be made of various materials by those skilled in the art within the technical scope of the present invention for fixing the base panel 131. More preferably, A sponge having a restoring force and a buffering force set to perform the same function as that of the hinge member 132 while absorbing the impact due to the shock absorbing material 132 may be applied. However, various known shock absorbing materials such as cushion, spring, .

The sensor unit 140 measures the distance between the first and

second coupling parts

111 and 121 and the pressure generated due to the coupling of the first and

second coupling parts

111 and 121, The distance measurement sensor 141 and the pressure measurement sensor 142 may be installed on at least one of the first and

second coupling portions

111 and 121. [

As described above, the distance measuring sensor 141 is a sensor for measuring the distance between the first and

second coupling parts

111 and 121, and is preferably an ultrasonic sensor using a reflection action of ultrasonic waves. However, And a variety of known distant sensors such as a laser sensor and an infrared ray sensor can be handled.

As described above, the pressure measuring sensor 142 is a sensor for measuring the pressure generated when the first and

second coupling parts

111 and 121 are coupled to each other, and it is preferable that a generally known electronic pressure sensor is handled Various known pressure gauges may be selected and used within the technical scope of the present invention.

The controller 150 is a control module that controls operation of a signal output unit 160 to be described later and may be installed in the main body 110 and connected to the sensor unit 140, And determines whether the first and

second coupling units

111 and 121 are engaged with each other.

The controller 150 may be modified and selected by a person having ordinary skill in the art within the technical scope of the present invention by selecting various known control modules.

The signal output unit 160 informs the user of the state of the main body 110 and the lower support 120 by a specific signal so that the signal output unit 160 can be connected to the controller 150 And may output the signal set by the controller 150 when the controller 150 determines that the first and

second couplers

111 and 121 are out of order.

The signal output unit 170 according to the present invention may be configured such that the pressure sensed by the pressure measurement sensor 142 in real time, that is, the load displacement value between the main body 110 and the lower support 120, If it is exceeded, it may be configured to output the set signal to the outside.

The signal output unit 160 may be configured by outputting a predetermined sound and recognizing the sound by a user. However, the present invention is not limited to this, Various known display devices configured to be visually recognized may be applied.

The photographing unit 170 is a camera device for photographing an image for determining the state of the main body 110 and the lower support 120. According to the present invention, at least one photographing unit 170 is installed in the main body 110, As shown in FIG.

The photographing unit 170 is preferably an image sensor such as a CCD sensor or a CMOS sensor having a waterproof function. However, the present invention is not limited to this, and various known camera devices can be handled within the technical scope of the present invention.

According to the present invention, the controller 150 detects an image photographed by the photographing unit 170 in real time and outputs the sensed image to the first and

second couplers

111 and 121 through image recognition of a previously stored image processing program. It is possible to determine whether or not the first and

second coupling parts

111 and 121 are coupled to each other. Further, it is possible to determine whether or not the components of the present invention are deformed or damaged. The output unit 160 may be controlled so that the set signal is output.

The image processing program detects the degree of similarity through movement displacement and angular displacement of pixels defined by a vector, and recognizes an object, or obtains a line segment, a curve, or the like that approximates an edge of an object or an outline of an object, Or recognition can be performed using feature points that are unchangeable with respect to corner points, invariant points, rotation conversions, size changes, and the like existing in the image, or feature points of objects included in the image may be extracted to perform recognition .

The operating method according to the operation of the topside deck installation apparatus 100 configured as described above will now be described with reference to FIG. 11, including a main body elevating step S10, a first and second engaging part alignment step S20, (S30).

First, in the main body elevating step (S10), the main body 110 is raised and lowered to approach the lower supporting body 120 by an external force applied from an elevating device such as a floating crane or a ship according to the float over method.

At this time, it is preferable that an external force is applied so that the first engaging part 111 formed on the main body 110 and the second engaging part 121 formed on the lower supporting body 120 face each other.

The first and second engaging portion alignment steps S20 may be performed while the first engaging portion 111 is guided by the angle conversion unit 130 provided on the lower support 120 side, The first coupling portion 111 slides by the flow panel 133 extending from the base panel 131 and moves to the central portion where the base panel 131 is located, And is seated on the base panel 131.

The angular conversion unit angle adjusting step S30 is a step of adjusting the angle of the angle converting unit 130 due to the pressing of the first engaging part 111. More specifically, When the first and second engaging

portions

111 and 121 are separated from each other, the second engaging portion 121 is radially expanded from the center of the flat section of the second engaging portion 121, The angle changing unit 130 is pressed by the first engaging part 111 by the above-described step S20, and the angle is adjusted so as to shrink the first engaging part 111 so as to surround it.

That is, in the angle conversion unit angle adjustment step S30, the angle conversion unit 130 adjusts the angle of the angle between the first and

second coupling units

111 and 121, .

12, a method of installing the topside deck installation induction device 100 according to an embodiment of the present invention includes a fixing member mounting step S100, a panel joining step S200, and a panel installing step S300. As shown in FIG.

The fixing member mounting step S100 is a step of mounting the fixing member 134 of the angle conversion unit 130 on the lower support 120. More specifically, The fixing member 134 having a buffering force set to absorb an impact due to the coupling is installed in the second engaging portion 121 so as to be capable of being drawn / drawn out.

The panel assembling step S200 is a step of joining the base panel 131 of the angle conversion unit 130 and the flow panel 133 and more specifically to the base panel 131 forming the central portion thereof A plurality of resilient hinge members 132 are provided at predetermined intervals, and a floating panel 133 is rotatably mounted on the hinge member 132, respectively.

Here, it is preferable that the resilient supporting force of the hinge member 132 is set so that the flow panel 133 can be maintained at a predetermined angle from the base panel 131.

In the panel mounting step S300, the base panel 131 coupled with the flow panel 133 is installed on the fixing member 134 installed in step S100 through step S200.

At this time, it is preferable that the lower part of the base panel 131 is connected to the fixing member 134 so as to be spaced apart from the second engaging part 121 at a predetermined interval.

Accordingly, the topside-deck installation induction device 100, the operation method and the installation method of the topside-deck installation device 100 according to the present invention are configured such that when the main body 110 is lifted and lowered by an external force, It is possible to easily induce vertical alignment through the angle conversion unit 130 that further widens the cross-sectional area range that can be contacted with the two

coupling portions

111, 121, thereby achieving a quicker and more accurate installation.

In addition, since the angle conversion unit 130 is designed in a relatively simple structure, it is possible to simplify the process and to induce a low production cost.

In addition, the signal output unit 160 is configured to monitor in real time whether or not the normal coupling between the main body 110 and the lower support body 120 through the sensor unit 140, the controller 150 and the photographing unit 170, So that it is possible to promptly respond to various marine accidents.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And such variations and modifications are intended to fall within the scope of the appended claims.

According to the present invention, when the main body lifted and lowered by an external force is engaged with the lower support, the vertical alignment is easily induced through the angle conversion unit which further widens the cross-sectional area range in which the first and second engaging portions It is possible to achieve quicker and more accurate installation and to design the structure of the angle conversion unit with a relatively simple structure, it is possible to simplify the process and induce the low production cost of the unit, The user can be informed to the user through the signal output unit when an erroneous engagement is generated while monitoring whether or not the normal connection between the main body and the lower support is monitored in real time, so that various marine accidents can be promptly addressed.

Claims

A body lifted by an external force and having a first coupling portion at a lower portion thereof;

A lower support having a second engaging portion corresponding to the first engaging portion of the main body and supporting the main body while engaging with the main body; And

And an angle converting unit installed at the first engaging part or the second engaging part and having an angle adjusted according to whether the first or second engaging part is engaged,

Wherein the angle conversion unit comprises:

Wherein the first coupling portion of the main body and the second coupling portion of the lower support are aligned and engaged while the cross-sectional area is changed by adjusting the angle.
The method according to claim 1,

Wherein the first and second coupling portions comprise:

One of the first and second engaging portions is protruded in the shape of a fillet having an inclined surface along the circumference and the other one of the first and second engaging portions is recessed and concave to correspond to each other,

Wherein the angle conversion unit comprises:

Wherein the first and second engaging portions extend radially from a central portion of a flat section of one of the first and second engaging portions and span over the engaging portion at a larger cross sectional area than the first and second engaging portions, Wherein when the first and second engaging parts are engaged with each other, the first and second engaging parts are brought into close contact with the engraved part while being angularly adjusted between the first and second engaging parts.
3. The method of claim 2,

Wherein the angle conversion unit comprises:

A base panel installed in the center;

A plurality of elastic hinge members installed at predetermined intervals along the periphery of the base panel; And

The first and second engaging portions are radially extended from the base panel due to the elastic force of the hinge member and a part of the first and second engaging portions are engaged with the first and second engaging portions, And a plurality of flow panels which are tightly received between the first and second engaging portions while being inclined toward the base panel by pressing when the first and second engaging portions are engaged with each other. Topside deck installation guide.
The method of claim 3,

Wherein the angle conversion unit comprises:

And a fixing member which is installed on any one of the first and second coupling portions on which the base panel is located and is connected to a lower portion of the base panel and prevents the base panel from being deviated to the outside while supporting and fixing the lower portion of the base panel, Wherein the topside deck installation guide further comprises:
5. The method of claim 4,

Wherein:

A spring, a sponge, and a rubber having a buffering force set to absorb an impact due to the coupling between the first and second coupling parts.
The method according to claim 1,

A sensor unit installed in at least one of the first coupling unit and the second coupling unit to measure a pressure generated due to the coupling of the first and second coupling units while measuring a distance between the first and second coupling units; And

Further comprising: a controller installed in the main body, connected to the sensor unit, and calculating a measured value from the sensor unit to determine whether the first and second coupling units are engaged.
The method according to claim 6,

The sensor unit includes:

A distance measuring sensor, and a pressure measuring sensor.
The method according to claim 6,

And a signal output unit connected to the controller and connected to the main body and outputting a signal set by control of the controller to the outside when it is determined through the controller that the first and second coupling units are misjoints A topside deck installation guide.
9. The method of claim 8,

Further comprising a photographing unit installed in the main body for photographing a surrounding image,

The controller comprising:

Wherein the controller determines whether the first and second coupling units are coupled through image recognition of a previously stored image processing program by detecting an image captured by the photographing unit, So as to output a signal set in the topside deck.
10. A method of operating a topside deck installation apparatus according to any one of claims 1 to 9,

A) the main body is raised and lowered to the lower support side by an external force;

B) the first engaging portion of the body is vertically aligned with the second engaging portion while being guided by the angle converting unit on the lower supporting side; And

C) the angle of the angle changing unit is adjusted by the pressing of the first engaging portion.
10. A method of installing a topside deck installation induction device according to any one of claims 1 to 9,

a) installing a fixing member of the angle conversion unit on a lower support;

b) mutually coupling the base panel and the flow panel through the hinge member of the angle conversion unit; And

and c) installing the base panel coupled through the step b) on the fixing member installed through the step a).