KR101607756B1 - Temporary building apparatus rainy day - Google Patents

Abstract

In case of rainy weather, a building hiding device is started. The building hibernation apparatus according to an embodiment of the present invention includes a cover unit having a diameter changing portion mounted in a circumferential direction of the cover body so as to be changed in diameter corresponding to an opening diameter of an upper portion of a building under construction in a nuclear power plant, Wherein the diameter changing portion includes a support frame having a plurality of divided portions spaced apart from each other along the circumferential direction of the lower end of the cover body and spaced apart from each other at a predetermined interval and threaded therein, And a connecting portion which is located at the upper end of the cover unit via a connecting member and is selectively connected to the heavy equipment to enable movement and maintenance of the cover unit.

Description

{Temporary building apparatus rainy day}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a temporary structure installed on a special building or a general building constructed in a nuclear power plant in case of rainy weather, and more particularly,

Generally, energy issues are always an important issue, and developing countries and all industrial countries are constantly working to address them.

In particular, R & D efforts are being undertaken to replace existing thermal power generation to reduce carbon emissions, which are considered to be the main cause of global warming. However, alternative energy sources that are likely to be available include nuclear power, wind power, solar energy, solar heat, Energy and so on.

However, nuclear energy development is at the forefront in terms of economic feasibility and reality, and each country is spurring the construction of nuclear power plants.

Nuclear power plant structures are divided into Reactor Containment Building and Main Control Room. However, recently ordered nuclear power plants are being ordered with tight air, and when the climate at the location where the nuclear power structure is constructed is a subtropical climate, the number of rainy days is increased, which causes a large delay of air. The need to be able to do the work is required.

Korean Registered Patent No. 10-1221072 (Registered on January 04, 2013)

The embodiments of the present invention are intended to provide a building hibernation apparatus in case of rainy weather which can easily carry out work on a special building to be constructed in a nuclear power plant even in case of rainy weather.

The building hibernation apparatus according to the first embodiment of the present invention includes a cover unit having a diameter changing portion mounted in a circumferential direction of the cover body so as to be changed in diameter to a diameter corresponding to an opening diameter of an upper portion of a building under construction in a nuclear power plant, The diameter changing portion may include a support frame having a plurality of divided portions spaced apart from each other along a circumferential direction of the lower end of the cover body and spaced apart at predetermined intervals and having threads formed therein, And a connecting portion which is located apart from the upper end of the cover unit via a connecting member and is selectively connected to the heavy equipment to enable movement and maintenance of the cover unit.
Wherein the cover unit comprises a shape retaining part arranged radially from the center of the cover body toward the radial direction to maintain the shape of the cover body; And a support rope fixedly attached to the building at predetermined intervals along a circumferential direction of the lower end of the cover body.
The cover unit is formed in a dome shape.
The cover unit includes an air flow discharging portion formed at an upper portion thereof for air flow discharging from inside to outside.
The rain storm building hood apparatus includes a lighting unit for irradiating an inside area of the building after the cover unit is put on the building to improve the visual perception of the worker.
The building hibernation apparatus according to the second embodiment of the present invention is provided with a cover unit having a detachable attachment portion selectively removably attached to the circumference of the cover body so as to be changed in diameter corresponding to an opening diameter of an upper portion of a building being constructed in a nuclear power plant , The detachable attachment portion includes a ring extending outward so as to have a relatively larger radius than the radius of the cover body and provided in an upper circumferential direction of the detachable attachment portion and is formed at an upper portion for airflow discharge from the inside to the outside of the cover unit An air flow outlet; And a connection part which is positioned at the upper end of the cover unit with a connection member therebetween and is selectively connected to the heavy equipment to enable movement and maintenance of the cover unit.
Wherein the cover unit comprises a shape retaining part arranged radially from the center of the cover body toward the radial direction to maintain the shape of the cover body; A support frame spaced apart from the cover body such that a plurality of the support frames are separated along a circumferential direction of the lower end of the cover body; And a support bar having both ends thereof inserted into the spaced apart support frame.
The cover unit includes support ropes fixedly attached to the building at predetermined intervals along a circumferential direction of the cover body.
A cover unit in which a lower end of the cover body is folded or unfolded in multiple stages so as to be changed in diameter corresponding to an opening diameter of an upper portion of a building under construction in a nuclear power plant according to a third embodiment of the present invention; A shape retaining part arranged radially from the center of the cover body toward the radial direction to maintain the shape of the cover body; An auxiliary lid attached to an outer circumferential surface of the cover body in a state of being spaced apart from the radial direction of the cover body; An air flow outlet formed on the cover unit for discharging the airflow from the inside to the outside of the cover unit; And a connection part which is positioned at the upper end of the cover unit with a connection member therebetween and is selectively connected to the heavy equipment to enable movement and maintenance of the cover unit.
The cover unit includes a plurality of first coupling portions spaced apart from each other at a predetermined interval in the circumferential direction, the first coupling portions having different concentric circles with respect to a center of the cover body. And a second engaging hole located at a position spaced apart from the upper portion of the first engaging hole and selectively lockingly engaged with the first engaging hole when the cover body is folded upward.
The rainstorming building hermetic device includes an auxiliary lid having different concentric circles with respect to the center of the cover body, and the auxiliary lid includes a cover member, which is folded after the first engaging member is locked to the second engaging member, So as to cover the outer side surface of the housing.
The cover main body includes support ropes fixedly attached to the building at regular intervals along the lower circumferential direction.
The rainstorming building hermetic device includes an illumination unit for irradiating an inside area of the building after the cover unit is covered on the building to improve the visual perception of the worker.
A building hibernation apparatus according to a fourth embodiment of the present invention includes a cover unit having a diameter varied by folding or unfolding in a circumferential direction of the cover body in accordance with an opening diameter of an upper portion of a building under construction in a nuclear power plant; A shape retaining portion that is sewn on the cover body in a state of being in close contact with the outer circumferential surface of the rope to maintain the shape of the cover body; An air flow outlet formed on the cover unit for discharging the airflow from the inside to the outside of the cover unit; And a connection part which is located apart from the upper part of the cover unit and the connecting member and is connected to the heavy equipment so as to be seated on the building of the nuclear power plant together with the cover unit.
The cover unit includes a plurality of first engagement portions spaced apart from each other by a predetermined distance in a circumferential direction and a radial direction of the cover body. And a second coupling portion that is spaced apart from the first coupling portion and that selectively locks with the first coupling portion when the cover body is folded in the circumferential direction.
And a support rope fixedly attached to the building at predetermined intervals along a circumferential direction of the lower end of the cover body.

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Embodiments of the present invention can easily perform additional work on special structures even in a rainy or rainy climatic condition under the condition that a special building such as a nuclear power plant is constructed so as to shorten the work space and improve the workability of the worker can do.

The embodiments of the present invention can be easily changed by the operator in the field regardless of the various diameters of the special structure, so that the on-site responsiveness is improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an installation state using a building hurricter in a rainy season according to a first embodiment of the present invention; FIG.
FIG. 2 is a plan view and an enlarged view of a main configuration of a building hurricane according to an embodiment of the present invention. FIG.
3 is a view illustrating a building hibernation apparatus in case of a rainstorm according to a second embodiment of the present invention.
4 is a view showing a building hurricane in a rainy weather according to a third embodiment of the present invention.
5 is a view illustrating a building hurricane in a rainy weather according to a fourth embodiment of the present invention.

A building hibernation apparatus in case of rainy weather according to a first embodiment of the present invention will be described with reference to the drawings.

Referring to FIGS. 1 and 2, when a rain storm or a rainy season is long, a building construction apparatus (1) for rainstorming can construct a containment building in which nuclear reactors are stored in a nuclear power plant. It is used to carry out the work while minimizing the effects of the impact.

To this end, the rainstorming building hermetic device 1 according to the first embodiment of the present invention is installed in the circumferential direction of the cover body 102 so as to change its diameter to the diameter corresponding to the opened diameter of the upper part of the building 2 being constructed in the nuclear power plant (100) having a diameter changing portion (110) for changing the diameter of the cover unit (100); a cover member (100) And a connection part 200 for enabling movement and maintenance of the apparatus.

Nuclear power plant buildings are limited to containment buildings but can be applied to other buildings and not necessarily containment buildings. It can also be applied to general buildings.

The cover unit 100 includes a cover body 102 having a waterproof function and a shape retaining unit 102 disposed radially in the radial direction from the center of the cover body 102 to maintain the shape of the cover body 102 And a supporting rope 106 mounted at predetermined intervals along the circumferential direction of the lower end of the cover body 102 and selectively fixed to the building 2.

The cover body 102 should be relatively small in weight to cover the upper portion of the building 2 and should not be contaminated or deformed even when exposed to a long period of time such as rain, moisture and dust.

The cover main body 102 surrounds the outer side of the support frame 112 in the circumferential direction of the cover main body 102 for mounting the support frame 112 to be described later in the circumferential direction, (Not shown).

The shape retaining portion 104 is, for example, a support rope 106, but is not necessarily limited thereto and may be variously modified. The shape retaining portion 104 positions the cover body 102 up and down in the state shown in the enlarged view with reference to the support rope 106 and fixes it through sewing.

The shape retaining portion 104 maintains the dome shape when the connecting portion 200 is installed on the upper portion of the building 2 through a heavy equipment such as a crane, and stably maintains the initial shape even when the long-term rain falls.

This prevents the inflow of rainwater into the interior of the building (2), thereby maintaining the workability and working environment of the worker constantly, thereby improving workability and shortening the air.

The shape retaining portions 104 are arranged radially from the center of the cover main body 102 in the radial direction. The spacing portions are spaced apart in the circumferential direction from the center of the cover main body 102.

A plurality of support ropes (106) are provided along the circumferential direction of the cover body (102) and fixed to the upper end of the building (2). Thus, even when a momentary gust is blown in a place where the cover unit 100 is installed, the fixed state is kept unstable and constant.

The cover unit 100 includes an airflow discharge unit 300 formed at an upper portion thereof for airflow discharge from the inside to the outside. The air discharge unit 300 may be formed of a hole having a predetermined diameter, or may be disposed in a hermetically closed state at an upper portion of the hole and may be selectively opened when instantaneous airflow is generated from the inside or the outside .

The air discharge unit 300 provides a passage through which the high-speed airflow generated inside the cover unit 100 can be discharged out, thereby minimizing the vibration of the cover unit 100 due to the airflow or the occurrence of local vibration Thus ensuring work safety and safety of workers.

The diameter changing portion 110 includes a supporting frame 112 having a plurality of divided portions along a circumferential direction of the lower end of the cover body 102 and spaced apart from each other at regular intervals and having threads formed therein, And a supporting bar 114 having threaded portions formed in different directions on the insertion portion of the one side and the other side to be inserted.

The support frame 112 is made of a pipe having a predetermined length and is made of a round similar to the circumferential round of the cover body 102. The support frame 112 is accommodated in the above-described accommodating portion, and is kept spaced apart from each other by a predetermined length.

The supporting bar 114 is inserted between the spaced apart support frames 112 so that both ends thereof are respectively inserted or threaded at both ends in different directions and the inner side of the supporting frame 112 screwed to the supporting bar 114 So that relative rotation is achieved.

For example, when the middle portion of the support bar 114 is rotated clockwise or counterclockwise while being grasped by hand, the distance between the support frames 112 separated from each other is reduced .

When the support bars 114 are rotated in the clockwise or counterclockwise direction in this way, the diameter of the cover body 102 can be increased or decreased to easily cope with various diameters of the building 2.

Also, even when the diameters of the buildings are different from each other, it is possible to cover the upper portion of the building 2 being under construction in most nuclear power plants with one cover unit without each having a plurality of different cover diameter units.

The hypothesis apparatus 1 according to the present embodiment includes a lighting unit 400 for improving the visual perception of the operator by illuminating the interior area of the building after the cover unit 100 is put on the building. The lighting unit 400 can be positioned inside the cover body 102 to provide a work environment in which workers working inside the building 2 can work more conveniently and safely by improving visual visibility.

In this way, it is possible to prevent injuries caused by safety accidents among workers and to shorten the work time by improving work efficiency.

The connecting portion 200 is connected to the cover unit 100 through the connecting member 10 and the connecting member 10 is disposed at a predetermined interval along the circumferential direction of the airflow discharging portion 300 opened at the upper end of the cover unit 100 A plurality of which are fixed to the connection unit 200 and are connected to each other.

The length of the connecting member 100 is not particularly limited but extends to a length of Nm or less, and the connecting portion 200 may be stably connected with a connecting ring connected to the crane at an upper end thereof.

Referring to FIG. 3, in the case of a rainstorming temporary building apparatus 1a according to the second embodiment of the present invention, the building is installed in a nuclear power plant with a change in diameter corresponding to an opening diameter of the upper part of the building 2 A cover unit 100a having a detachable attachment portion 110a selectively detachably attached to the cover body 102a in the circumferential direction of the cover body 102a is provided. The detachable attachment portion 110a has a relatively larger radius And a ring 110c formed in the upper circumferential direction of the attaching / detaching unit 110a, and an air flow discharging unit 300 formed at an upper portion of the cover unit 100a for discharging airflow from the inside to the outside of the cover unit 100a, ; And a connecting part 200 which is located at the upper end of the cover unit 100a and is spaced apart from the connecting member 10 (refer to FIG. 1) and selectively connected to the heavy equipment to enable movement with respect to the cover unit 100a .

The present invention is characterized in that the attachment / detachment unit 110a can be selectively attached to the lower end of the cover unit 100a in the circumferential direction to selectively cope with the diameter of the building 2.

Nuclear power plant buildings are limited to containment buildings but can be applied to other buildings and not necessarily containment buildings. It can also be applied to general buildings.

The cover unit 100a includes a cover body 102a for holding a waterproof function and a shape retaining unit 102 for retaining the shape of the cover body 102a in a radial direction radially toward the center of the cover body 102a And a supporting rope 106a mounted at a predetermined interval along the circumferential direction of the lower end of the cover body 102a and selectively fixed to the building 2.

The cover body 102a should be relatively small in weight to cover the upper portion of the building 2 and should not be contaminated and deformed even when exposed to an environment such as rain, moisture and dust for a long period of time.

The cover main body 102a surrounds the outside of the support frame 112a in the circumferential direction of the cover main body 102a for mounting the support frame 112a to be described later in the circumferential direction, (Not shown).

The attachment / detachment unit 110a is configured to have a relatively larger radius than the radius of the cover body 102a and selectively attached to the lower end of the cover body 102a when the diameter of the building is relatively larger than the diameter of the current cover unit 100a .

Particularly, the attaching / detaching portion 110a has a relatively larger radius than the radius of the cover body 102a, so that it can stably cover even when the diameter of the building 2 is large.

The attachment / detachment unit 110a can be easily attached to the cover body 102a by a worker in the field. For example, the attachment / detachment unit 110a may be formed in the upper circumferential direction of the cover body 102a, ).

The hook 110c is provided to maintain a state of being stably coupled to the cover body 102a in a state where the support bar 114 is inserted. In addition to the hook 110c described above, any one of a velcro type and a zipper type And may not be necessarily limited in the manner shown in the drawings.

The cover body 102a has a lower circumferential extending portion extending a predetermined length or longer via an upper surface of the attaching / detaching portion 110a. The reason for this extension is that after the attaching / detaching portion 110a is mounted, To move outward along the detachable portion 110a without falling down to the inside of the building 2. [

As a result, a large amount of rainwater can not flow into the area where the operator is located when raining, so that the workability and work speed of the worker can be improved.

The shape retaining portion 104a is, for example, a support rope 106a, but it is not limited thereto and can be variously changed. The shape retaining portion 104a positions the cover main body 102a up and down with respect to the support rope 106a and fixes it by sewing.

The shape retaining portion 104a maintains the dome shape when the connection portion 200 is installed on the upper portion of the building 2 through a heavy equipment such as a crane, and stably maintains the initial shape even when the long-term rain falls.

This prevents the inflow of rainwater into the interior of the building (2), thereby maintaining the workability and working environment of the worker constantly, thereby improving workability and shortening the air.

The shape retaining portions 104a are radially disposed in the radial direction from the center of the cover main body 102a. The shape maintaining portions 104a are disposed in an increased spaced distance from the center of the cover main body 102a in the circumferential direction.

A plurality of supporting ropes 106a are provided along the circumferential direction of the cover body 102a and fixed to the upper end of the building 2. Thus, even when a momentary gust is blown in a place where the cover unit 100a is installed, the fixed state is kept unstable and constant.

The cover unit 100a includes an airflow outlet 300 formed at an upper portion thereof for airflow discharge from the inside to the outside. As shown in the figure, the air discharge unit 300 may be formed as a hole having a predetermined diameter, or may be positioned in an airtight state in an upper portion of the hole, and may be selectively opened and closed when instantaneous airflow is generated from the inside or the outside. A cover (not shown) may be provided.

The airflow outlet portion 300a provides a passage through which the high-speed airflow generated inside the cover unit 100a can be discharged out, thereby minimizing the vibration of the cover unit 100a due to the airflow or the occurrence of local vibration have.

The support frame 112a is made of a pipe having a predetermined length and is made of a round similar to the round in the circumferential direction of the cover body 102a.

The support frame 112a is accommodated in a lower end portion of the cover main body 102a in a receiving portion in which the support frame 112a is received, and is kept spaced apart from each other by a predetermined length.

The support bar 114a is coupled between the separated support frames 112a so that both ends thereof are inserted, and a plurality of support bars 114a are disposed along the circumferential direction of the cover body 102a.

The connection unit 200 is connected to the cover unit 100a through the connection member 10 and the connection member 10 is connected to the cover unit 100a at a predetermined interval A plurality of which are fixed to the connection unit 200 and are connected to each other.

The length of the connecting member 10 is not particularly limited but extends to a length of Nm or less, and the connecting part 200 may be stably connected with a connecting ring connected to the crane at an upper end thereof.

Referring to FIG. 4, in a rainstorming building temporary building 1c according to a third embodiment of the present invention, the building is installed in a nuclear power plant by changing the diameter of the building 2 (see FIG. 1) A cover unit 100b folded or unfolded at a lower end of the cover body 102b so as to be folded upward at an upper end thereof and a cover unit 100b arranged radially in the radial direction at the center of the cover body 102b, An auxiliary lid 100b-2 attached to the outer circumferential surface of the cover main body 102b while being spaced apart from the radial direction of the cover main body 102b; (300) formed at an upper portion for discharging the airflow from the inside to the outside of the casing (100b); And a connection part 200 positioned at the upper end of the cover unit 100b and spaced apart from the connection member 10 and selectively connected to the heavy equipment to enable movement of the cover unit 100b.

In this embodiment, the configuration of the airflow discharge unit 300, the connection unit 200, and the illumination unit 400 is the same as that of the above-described embodiment, and thus a detailed description thereof will be omitted. Further, since the supporting frame 112 and the supporting bar 114 provided in the circumferential direction of the cover main body 102b are the same, the configuration is omitted.

In this embodiment, the cover unit 100b is folded or unfolded from the lower end to the upper end so that the operator can conveniently enlarge or reduce the diameter of the building 2 regardless of the various diameters of the building 2.

Therefore, even when the diameters of the buildings are different, all the open areas can be covered with one cover unit 100b, so that the operator can easily perform additional work irrespective of the weather.

The cover unit 100b includes a plurality of first coupling holes 100b-3 spaced apart from each other by a predetermined distance in the circumferential direction and having different concentric circles with respect to the center of the cover main body 102b, 3 and a second coupling hole 100b-4 that is selectively locked with the first coupling hole 100b-3 when the cover main body 102b is folded upward.

It is noted that the first coupling port 100b-3 is a male coupling port and the second coupling port 100b-4 is an arm coupling port, so that they are locked or unlocked with each other, and a coupling method using a velcro is also possible.

The building hermetic device includes an auxiliary lid 100b-2 attached with different concentric circles with respect to the center of the cover main body 102b. A plurality of auxiliary lids 100b-2 are provided in the radial direction of the cover main body 102b, and even when the diameter of the building 2 is relatively small or large, the cover main body 102b is folded The auxiliary lid 100b-2 is kept covered with the upper part of the cover body 102b to prevent a large amount of rainwater from flowing into the inside area of the building 2. [
A plurality of ropes 106b are used and the outer circumferential surface of the rope 106b is connected to the cover main body 102b in the radial direction at the center of the cover main body 102b. And is fixed by sewing in a wrapping state.

Referring to FIG. 5, according to a fourth embodiment of the present invention, a building temporary hiding apparatus 1d in a rainy season is constructed so as to be movable in a circumferential direction of a cover body 102c in accordance with an opening diameter of an upper portion of a building 2, A cover unit 100c whose diameter is changed by folding or unfolding in multiple stages, a rope 106b radially arranged in the radial direction from the center of the cover main body 102c, A shape retaining portion 104c sewn to the cover main body 102c in a tightly closed state to maintain the shape of the cover main body 102c and a shape retaining portion 104c formed on the top portion for discharging airflow outward from the inside of the cover unit 100c An air discharge unit 300; And a connection part 200 spaced apart from the upper part of the cover unit 100c and the connecting member 10 and connected to the heavy equipment so as to be seated on the building of the nuclear power plant together with the cover unit 100c.

In the present embodiment, the configurations of the connecting portion 200, the airflow discharging portion 300, and the shape holding portion 104 are the same, and thus a detailed description thereof will be omitted.

The present embodiment is characterized in that the cover main body 102c is folded into multiple stages as shown by arrows to adjust the diameter of the cover unit 100c. The folding direction is different in the circumferential direction from the above embodiment do.

To this end, the cover unit 100c is provided with a plurality of first coupling holes 100c-2 spaced at predetermined intervals in the circumferential direction and the radial direction of the cover main body 1002c, and the first coupling hole 100c- And a second coupling portion 100c-3 that is located opposite to the first coupling portion 100c-2 and selectively lockable with the first coupling portion 100c-2 when the cover body 102c is folded in the circumferential direction.

It is noted that the first coupling port 100c-2 is a male coupling port and the second coupling port 100c-3 is an arm coupling port, so that the first coupling port 100c-2 is locked or unlocked, and the coupling method using a velcro is also possible.
Since the rope 106b constituting the shape retaining portion 104c can be freely folded or unfolded in the radial direction or the circumferential direction, when the operator intends to fold the cover main body 102c in the circumferential direction, Can be performed.
The shape retaining portion 104c can be sewn on the cover main body 102c in a state of being closely attached to the outer circumferential surface of the rope 106b to maintain the shape of the cover main body 102c so that the diameter of the cover main body 102c The diameter can be easily changed without any difficulty, thereby improving the workability of the operator.

The operator can easily change the diameter of the cover body 102c in the circumferential direction according to the diameter of the building so that even when the diameter of the contour is different from the diameter of the cover body 102c, It is possible to cover the upper part of the building.

Therefore, even in the case of rain, a large number of workers can conveniently perform work from the inside of the building, thereby shortening the work space and improving the efficiency.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention as set forth in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

2: Building
100, 100a, 100b, 100c: cover unit
102, 102a, 102b, 102c:
104: Shape retaining portion
106: Support rope
110: diameter change portion
112: Support frame
114: Support bar
200: Connection
300:
400: illumination unit

Claims (20)

And a cover unit having a diameter changing portion mounted in the circumferential direction of the cover body so as to be changed to a diameter corresponding to an opening diameter of the upper portion of the building under construction in the nuclear power plant,
The diameter-
A support frame having a plurality of spaced apart portions spaced apart from each other along a circumferential direction of the cover body and spaced apart from each other at a predetermined interval and threaded therein; A support bar formed,
And a connection portion that is located at an upper end of the cover unit and is spaced apart from the connection member and selectively connected to the heavy equipment to enable movement and maintenance of the cover unit. The method according to claim 1,
The cover unit includes:
A shape retaining part arranged radially from the center of the cover body toward the radial direction to maintain the shape of the cover body;
And a support rope mounted at predetermined intervals along a circumferential direction of the lower end of the cover body and selectively fixed to the building. The method according to claim 1,
The cover unit includes:
Wherein the hood is formed in the form of a dome. delete The method according to claim 1,
The cover unit includes:
And an air flow discharging portion formed at the upper portion for discharging the airflow from the inside to the outside. The method according to claim 1,
In the rainy building,
And a lighting unit for illuminating an inside area of the building after the cover unit is put on the building to improve the visual perception of the worker. A cover unit having a detachable portion selectively detachably attached to the circumference of the cover body so as to be changed to a diameter corresponding to an opening diameter of the upper portion of the building being constructed in the nuclear power plant,
The attaching /
And a ring extending outwardly to have a relatively larger radius than the radius of the cover body and provided in an upper circumferential direction of the detachable attachment portion,
An air flow outlet formed on the cover unit for discharging the airflow from the inside to the outside of the cover unit; And
And a connection portion that is located at an upper end of the cover unit and is spaced apart from the connection member and selectively connected to the heavy equipment to enable movement and maintenance of the cover unit. 8. The method of claim 7,
The cover unit includes:
A shape retaining part arranged radially from the center of the cover body toward the radial direction to maintain the shape of the cover body;
A support frame spaced apart from the cover body such that a plurality of the support frames are separated along a circumferential direction of the lower end of the cover body;
And a support bar having both ends thereof inserted into the spaced apart support frame. 9. The method of claim 8,
The cover unit includes:
And a support rope mounted at predetermined intervals along a circumferential direction of the lower end of the cover body and selectively fixed to the building. delete delete A cover unit in which the lower end of the cover body is folded or unfolded in multiple stages toward the upper end so as to be changed in diameter to the diameter corresponding to the diameter of the upper opening of the building being constructed in the nuclear power plant;
A shape retaining part arranged radially from the center of the cover body toward the radial direction to maintain the shape of the cover body;
An auxiliary lid attached to an outer circumferential surface of the cover body in a state of being spaced apart from the radial direction of the cover body;
An air flow outlet formed on the cover unit for discharging the airflow from the inside to the outside of the cover unit; And
And a connection portion that is located at an upper end of the cover unit and is spaced apart from the connection member and selectively connected to the heavy equipment to enable movement and maintenance of the cover unit. 13. The method of claim 12,
The cover unit includes:
A plurality of first coupling means having different concentric circles with respect to a center of the cover body and spaced apart from each other at regular intervals in a circumferential direction;
And a second coupling member spaced apart from the upper portion of the first coupling member and selectively lockingly engaged with the first coupling member when the cover body is folded upward. 14. The method according to any one of claims 12 and 13,
In the rainy building,
And the auxiliary cover is attached with different concentric circles with respect to the center of the cover body, and the auxiliary cover covers the outer surface of the folded cover body after the first coupling port is locked to the second coupling port In a rainy day. 13. The method of claim 12,
Wherein the cover body includes:
And a support rope mounted at regular intervals along the lower circumferential direction and selectively fixed to the building. 13. The method of claim 12,
In the rainy building,
And a lighting unit for illuminating an inside area of the building after the cover unit is put on the building to improve the visual perception of the worker. A cover unit having a diameter varying while being folded or unfolded at a plurality of stages in a circumferential direction of the cover body according to an opening diameter of an upper part of a building being constructed in a nuclear power plant;
A shape retaining portion that is sewn on the cover body in a state of being in close contact with the outer circumferential surface of the rope to maintain the shape of the cover body;
An air flow outlet formed on the cover unit for discharging the airflow from the inside to the outside of the cover unit; And
And a connection part which is located apart from the upper part of the cover unit by a connecting member and is connected to the heavy equipment so as to be seated on the upper part of the nuclear power plant together with the cover unit. delete 18. The method of claim 17,
The cover unit includes:
A plurality of first engagement portions spaced apart from each other by a predetermined distance in a circumferential direction and a radial direction of the cover body;
And a second coupling portion that is spaced apart from the first coupling portion and selectively lockably engaged with the first coupling portion when the cover body is folded in the circumferential direction. 18. The method of claim 17,
And a support rope mounted at predetermined intervals along a circumferential direction of the lower end of the cover body and selectively fixed to the building.

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