JPH08151801A - Shield device for in-rainy-weather work execution of building unit - Google Patents

Abstract

PURPOSE: To easily open/close a shield by less labor in a short time so as to improve workability. CONSTITUTION: A shield device 1 for in-rainy-weather work execution is constructed by mounting a shield 2 in a chain sling 3 hanging a building unit 10. In the shield 2, a waterproof sheet 5 is provided, and an opening/closing mechanism 4 consisting of an arm member 33 and the like is freely opened/ closed above the building unit 10 by operating an operation means 6 consisting of wires 42, 49.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a raincoat construction umbrella device for a building unit which can be used during rainy weather or during rainfall during construction of a building.

[0002]

BACKGROUND ART A unit-type building is built by combining a plurality of building units produced in a factory in advance at a construction site. Conventionally, it has been difficult to hang a building unit with a crane during rainy weather or during rain during construction of a building, and work to combine them is difficult because the building unit gets wet. We are proposing a rainy construction device that can be suspended.
88477).

According to this invention, a waterproof sheet is attached to the chain sling, and zippers along the four corners of the building unit are attached to the lower portion of the waterproof sheet. Therefore, the housing unit is not covered when the zipper is opened and the waterproof sheet is wound up, and the housing unit is covered in a box shape when the zipper is closed and the waterproof sheet is unwound.

[0004]

According to such a conventional rainy weather construction apparatus, the zipper must be opened or closed at each corner of the four corners when the lower portion of the waterproof sheet is rolled up and unwound. A lot of work and time are required for work, and there is a problem in workability.

An object of the present invention is to provide a raincoat construction umbrella device for a building unit, which can be opened and closed easily with little labor and time and which improves workability.

[0006]

A rain umbrella construction umbrella device for a building unit according to the present invention comprises an umbrella provided on a hanging member for hanging a building unit constituting a unit type building and covering the building unit. The umbrella is openable and closable above the building unit.

In this rainy weather construction umbrella device for a building unit, the umbrella has at least four arm members extending from the plane center of the building unit toward the four corners, and the lower end of the hanging member is connected to the four corners of the building unit. Four string-shaped members may be provided, and the string-shaped members may be inserted into the arm member, and the tip of the arm member may be bendable.

[0008]

According to the present invention as described above, the umbrella provided on the hanging member can be opened and closed freely above the building unit and does not have to be opened and closed along the four corners of the building unit. It can be opened and closed easily, which improves workability.

In this rainy weather construction umbrella device for a building unit, when four cord-like members connected to the four corners of the building unit are inserted into the four arm members of the umbrella, the umbrella members are suspended. The member and the member are always concentric so that there is no misalignment between the umbrella and the building unit and the building unit is protected from rain by the umbrella. In addition, if the tip of the arm member is bendable, even if there is an obstacle such as a tree on the ground adjacent to the construction position, there is an obstacle when the tip of the arm member comes into contact with the obstacle. The building unit can be hung even if there is an obstacle because it bends due to the pressing force of the object.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a building unit 10 that is lifted by a rainy weather construction umbrella device 1 of the present embodiment. This rainy weather construction umbrella device 1 attaches the umbrella 2 that can be opened and closed and the umbrella 2 that is suspended. It comprises a chain sling 3 which is a jig. Where the building unit 10
Is equipped with a frame composed of four pillars at four corners and upper and lower beams that connect the upper and lower ends of these pillars. Walls, ceiling materials, floor materials, etc. are attached to this framework to form an almost box shape. ing. And such a building unit is manufactured in a size based on various reference dimensions (modules).

As shown in FIG. 1, the umbrella 2 includes an opening / closing mechanism 4
And an operating means 6 for operating the opening / closing mechanism 4, and a waterproof sheet 5 covering the chain sling 3 and the opening / closing mechanism 4. The chain sling 3 is composed of a suspension ring 20 and four chains 21 which are string-like members connected to the suspension ring 20, and is suspended by a crane by hooking the suspension ring 20 on a hook 8 on the crane side. It is like this. Further, the tips of the four chains 21 are connected to the building unit 10 via hanging bolts 11 provided at the four corners of the upper surface of the building unit 10.

The opening / closing mechanism 4 includes a horizontal frame member 30,
The horizontal frame member 30 is formed in a rectangular frame shape as shown in FIG. 4, and is connected to the chain 21 of the chain sling 3 by a short wire 31 as shown in FIGS. Mounting members 32 projecting downward are provided at the four corners of the horizontal frame member 30, and each of the mounting members 32 is provided with an arm member 33 composed of two members sandwiching the lower end from the left and right. The arm member 33 is, as shown in FIG.
While extending from the center of the plane toward the four corners, each arm member 33 is swingable in the vertical direction via a horizontal pin 34.

Here, the tip ends of the two members of the arm member 33 are connected by a spacer 35 as shown in FIG. 2, so that the arm member 33 can be separated from the chain 21 even when swinging. There is no such thing. In other words, the arm member 33 is guided by the chain sling 3, and the opening / closing mechanism 4 and the chain sling 3 are suspended from the same center as the starting point. The length of the arm member 33 is set to a length such that the tip of the arm member 33 does not contact the building unit 10 when the umbrella 2 is closed above the building unit 10.

When these arm members 33 are opened to the maximum extent, the dimension between the tips of the adjacent arm members 33 is determined by the widthwise dimension of the building unit 10 as shown in FIGS. It is formed to have a large size.

A pipe 36 is arranged at the center of the horizontal frame member 30, as shown in detail in FIG.
Are supported by the horizontal frame member 30 by horizontal plates 37 extending from the respective sides of the horizontal frame member 30. In the pipe 36,
The slide pipe 38 is inserted by the operating means 6 so as to be vertically movable within a predetermined range, and a circular stopper 39, for example, is attached to the upper end of the slide pipe 38. As a result, the slide pipe 38 does not fall off the pipe 36.

The slide pipe 3 is provided between the upper end of the pipe 36 and the stopper 39 at the upper end of the slide pipe 38.
There is provided a compression spring 40 that constantly urges 8 upward. A wire 42 having a ring 41 and having a predetermined length is attached to the lower end of the slide pipe 38. Therefore, by pulling the wire 42, the slide pipe 38 can be moved downward against the biasing force of the compression spring 41. Also, as shown in FIG.
The slide pipe 38 has, for example, the first positioning hole 3 on the upper side.
8A, a lower side positioning hole 38C, and a middle second positioning hole 38B are opened at predetermined intervals.

As shown in detail in FIG. 4, a stopper 47, which is sandwiched by two horizontal support plates 45 via pins 46, is provided on the upper portion of the pipe 36. The stopper 47 is formed in a substantially T shape, and an orthogonal portion 47B orthogonal to the portion of the handle 47A is attached so as to face substantially the same direction as the pipe 36. This orthogonal portion 47B
A pin portion 47C projecting to the pipe side is formed at one end portion of the pipe, and the pin portion 47C is engaged with the hole 36A formed in the upper portion of the pipe 36 and the positioning holes 38A, 38B, 38C of the slide pipe 38. Is possible.

A protrusion 47D similar to the pin 47C is formed on the other end of the stopper 47. A compression coil spring 48 is arranged between the projection 47D and the pipe 36, and the spring 48 constantly urges the projection 47D side of the stopper 47 in a direction away from the pipe 36. A wire 49 extends downward and is attached to the end of the handle 47A of the stopper 47. A ring 50 is attached to the tip of the wire 49 so that it can be easily pulled downward.

Therefore, for example, the pin portion 47 of the stopper 47
When C is inserted into the first positioning hole 38A of the slide pipe 38 and the wire 49 is pulled downward, the protrusion 47D of the stopper 47 rotates in the direction approaching the pipe 36 against the biasing force of the compression coil spring 48. As the pin 47C moves, the pin portion 47C moves the first positioning hole 38 of the slide pipe 38.
When the pipe 36 is removed from A, the fixed state between the pipe 36 and the slide pipe 38 is released. Then, at this time, the slide pipe 38 moves upward due to the biasing force of the compression coil spring 40. put it here,
The operation means 6 is configured to include the wires 42, 49 and the stopper 47.

At the lower end of the slide pipe 38, as shown in FIG.
As shown in FIG. 5, four fixing members 39 having a substantially L-shaped cross section are provided.
, Which are substantially cross-shaped in a plane, and are attached with a predetermined space between them. At this time, the cross-shaped tip direction of these fixing members 39 is the direction in which the arm member 33 extends, that is, the building unit 10.
Is directed to the corner side of.

One end of a connecting arm 53 is fixed to the fixing member 39 by, for example, a bolt 52, and the other end of the connecting arm 53 is rotatably connected to the arm member 33 via a pin 54. Therefore, the slide pipe 3
The arm member 33 is opened by the upward movement of 8, and the arm member 33 is closed by the downward movement of the slide pipe 38.

That is, as shown in FIG. 3, when the lower end of the slide pipe 38 is moved to the uppermost X position,
The position of the arm member 33 is in the state of 33A which is the most open, and at the same time, the pin portion 47C of the stopper 47 is in a state where it can be inserted into the first positioning hole 38A. And
In this state, the umbrella 1 can cover not only a building unit having a small module but also a building unit having a largest module.

Similarly, when the slide pipe 38 is at the Y position, the arm member 33 is open at the intermediate position 33B, and the pin portion 47C is in a state where it can be inserted into the second positioning hole 38B. In this state, The umbrella 1 is suitable for covering a building unit having a module of medium size. When the slide pipe 38 is at the Z position, the arm member 33 is located at the closed position 33C, and the pin portion 47C is located at the third positioning hole 3.
It is in a state that it can be inserted into 8C, and at this time, the umbrella 1 cannot cover the building unit.

Here, the opening / closing mechanism 4 is constructed by including each part of the serial number from the horizontal frame member 30 to the fixing member 39.

As shown in FIG. 1, the waterproof sheet 5 is
The four chains 21 of the chain slinger 3 and the four pairs of arm members 33 are fixed and covered at predetermined places, and an opening 5A is formed in the upper portion, and the lower end portion of the arm member 3 is formed.
3 has a shape that hangs from the tip. The waterproof sheet 5 is made of a waterproof material such as polyvinyl chloride. The upper part of the chain slinger 3 is covered with four chains 21, and the opening 4
An upper waterproof sheet 7 for preventing rain from entering A is provided.

Next, a procedure for suspending the building unit 10 using the umbrella device 1 of this embodiment will be described. First, the umbrella device 1 provided with the umbrella 2 is lifted by a crane. At this time,
The slide pipe 38 is lowered to the Z position, and the pin portion 47C of the stopper 47 is engaged with the third positioning hole 38C (closed state). Next, the wire 49 is pulled downward to pull out the pin portion 47C from the third positioning hole 38C, thereby releasing the fixed state between the pipe 36 and the slide pipe 38. Thereby, the compression coil spring 40
The slide pipe 38 rises due to the urging force, and the connecting arm 53 also rises accordingly, and the arm member 33 swings as the connecting arm 53 rises.

When the slide pipe 38 is moved up to the X position to the maximum extent, the arm member 33 is also opened to the maximum extent.
When the pulling of the wire 49 is stopped and the wire 49 is released from the hand, the pin portion 47C of the stopper 47 is inserted into the first positioning hole 38A, and the arm member 33 is fixed in the maximum opened state. This state is when the building unit with the largest module is suspended. On the other hand, the seat member 4 is gradually opened as the arm member 33 is opened, and when the arm member 33 is opened to the maximum extent, the seat member 4 is also stretched to the maximum extent.

Next, the suspension ring 20 of the chain slinger 3 is hooked on the suspension bolt 11 of the building unit 10,
Lift the building unit 10 with a crane. At this time,
Since the umbrella 2 is provided above the building unit 10 in an open state, the building unit 10 is suspended without getting wet by rain or the like. Further, after finishing the hanging of one building unit 10, the umbrella 2 may be closed by a procedure reverse to the above-described procedure, and when the next building unit 10 is suspended, it may be opened and suspended again. Alternatively, one building unit 1
It is also possible to suspend the next building unit 10 with the umbrella 2 open after finishing the suspension of 0. When it is not raining, as described above, the building units 10 may be sequentially hung with the umbrella 2 closed.

According to this embodiment as described above, the following effects can be obtained. That is, the building unit 10 is configured to be lifted by the chains slinger 3, and the umbrella 2 that can be opened and closed is attached to the chains slinger 3. For this reason, the umbrella 2 can be opened even in rainy weather or during rain during suspension, so that the building unit 10 can be suspended. Further, since the umbrella 2 is openable and closable above the building unit 10, it can be easily opened and closed with a small amount of labor and time, thereby improving workability.

Further, the chain 21 has an arm member 33.
Since the building unit 10 and the umbrella 2 are hung below the same center line of the chain slinger 3, the positional relationship between the umbrella 2 and the building unit 10 does not shift, and thus the building unit 10 and the umbrella 2 are suspended. Can protect 10 from rain. Furthermore, the umbrella 2 is openable and closable above the building unit 10, and when the umbrella 2 is open, the building unit 1
Since a sufficient space is formed above 0, the worker can perform various works such as pulling the wires 42 and 49 on the building unit 10 to handle the operating means 6. Although the waterproof sheet 5 has the opening 5A formed therein, since it is covered with the upper sheet 7, it is possible to prevent rain or the like from entering through the opening 5A. Further, the umbrella 2 can be opened and closed in three stages of X, Y, and Z, and can be opened to a predetermined size at each position, so that it can correspond to a building unit of various modules.

A second embodiment of the present invention is shown in FIGS. In this embodiment, the opening / closing mechanism 4 of the first embodiment is used.
This is an umbrella 2'provided with an opening / closing mechanism 4'having a different structure, and the arm member 33, which was linear in the first embodiment, can be bent at its tip. In this embodiment, the same structures and members as those in the first embodiment are designated by the same reference numerals, and the description of the structure and the like will be omitted or simplified.

As shown in FIG. 6, the umbrella device 1'of this embodiment.
Is an umbrella 2'comprising an opening / closing mechanism 4'and a waterproof sheet 5 and the like.
It has. The umbrella 2'includes a rectangular horizontal frame member 30 ', and a pipe member 36' is connected to the horizontal frame member 30 'by a connecting plate 37'.
Further, in the pipe member 36 ', a slide pipe 38' is provided.
Is provided so as to be vertically movable, and a link center 60 extending laterally in four directions is formed on an upper portion of the slide pipe 38 '. The link center 60 also serves as a stopper that restricts downward movement of the slide pipe 38 'by a predetermined amount or more.

Arm brackets 61 are provided on the lower surfaces of the four corners of the horizontal frame member 30 ', and arm members 33' are attached to these arm brackets 61 ', respectively. The arm member 33 ′ is the arm bracket 1
6, a base end arm 62 connected by a horizontal pin 34 ′, an intermediate arm 63 connected to the base end arm 62, and an auxiliary arm 57 foldably attached to the tip of the intermediate arm 63. ing. Each of these arms 62, 63, 57 is formed of, for example, a square pipe, and the base end arm 62 and the intermediate arm 63 are disposed with a first connecting plate 64 arranged so as to sandwich their opposing end portions. In addition, the intermediate arm 63 and the auxiliary arm 57 are connected to each other via the second connecting plate 65 which is arranged so as to sandwich the opposing ends thereof.

The arm member 33 'can be opened and closed by the opening / closing mechanism 4'. That is, the arm member 3
One end of a connecting arm 53 'is sandwiched between two first connecting plates 64 of 3'and is rotatably attached by a pin 54'. The other end of the connecting arm 53 'has a slide pipe 38'. It is rotatably attached with the link center 60 and the pin 52 '.

The slide pipe 38 'can be slid vertically in the pipe member 36' by a driving means 66 provided on the pipe member 36 ', for example.
As shown in FIG. 7, the drive means 66 is, for example, an engagement between the rack 73 and the pinion 74, and includes a motor 76 arranged in the gear box 75. The pinion 74 is connected to the motor 76 via bevel gears 77A and 77B, and the pinion 74 and the rack 73 provided on the slide pipe 38 'mesh with each other. Further, although not shown, the pipe member 36 'is provided with stopper means that is unlocked at the time of energization using an electromagnet or the like and is locked when electricity stops flowing due to a power failure or the like. By the means, the slide pipe 38 'can be safely fixed even at the time of power failure. Here, the connecting arm 53 ', the pipe member 3
The opening / closing mechanism 4'is configured by including 6 ', the slide pipe 38', the driving means 66, etc. The driving means 66 is also an operating means including a stopper means.

Therefore, if the slide pipe 38 'is slid downward in FIG. 6 by the driving means 66, one end of the connecting arm 53' on the side of the link center 60 moves downward and at the side of the first connecting plate 64. One end rises, and thereby the arm member 33 ′ such as the first connection plate 64, in other words, the umbrella 2 ′ is opened. Further, when the umbrella 2'is changed from the open state to the closed state, the driving means 66 is rotated in the reverse direction to move the slide pipe 38 '.
May be slid upward as indicated by a virtual line in FIG. At this time, the slide pipe 38 'has an arm 3
Since the weight of 3'is also added, the load on the driving means 66 can be reduced.

As shown in detail in FIG. 8, the arm member 3
An auxiliary arm 57 is foldably provided at the tip of 3 '. That is, the intermediate arm 63 and the auxiliary arm 57
Are connected to each other by a second connecting plate 65. The second connecting plate 65 is arranged over one end of the auxiliary arm 57 and one end of the intermediate arm 63, and one end on the auxiliary arm 57 side is the arm 57. It is fixed on both sides of. On the other hand, as shown in FIG. 9B, one end of the connecting plate 65 on the side of the intermediate arm 63 is penetrated together with the intermediate arm 63 by the connecting pin 67, whereby the intermediate arm 63 and the connecting plate 65 are rotatable. Has become.

On the tip side of the auxiliary arm 57, as shown in FIG.
As also shown, a pin 68 penetrating the auxiliary arm 57 is provided. In addition, at the tip end side of the intermediate arm 63 and at a position slightly apart from the connecting pin 67, as shown in
As shown in (C), the pin 6 penetrating the intermediate arm 63.
9 are provided. Then, the spring-loaded wire 7 is transferred from the pin 68 to the pin 69 via the connecting pin 67 located in the middle.
0 is bridged. The spring wire 70 is
The spring portion 70A having a predetermined length and the spring portion 7
0A is connected to a wire portion 70B of a predetermined length, one end of the spring portion 70A is hooked on the pin 68 of the auxiliary arm 57, and one end of the wire portion 70B is connected to the intermediate arm 63.
The pin 69 is hooked. Further, such a wire portion 70B is adapted to engage with the upper surface of the connecting pin 67 in FIG. A stopper 71 is attached to the lower surface of the intermediate arm 63 in the vicinity of the connecting pin 67, and when the auxiliary arm 57 is located on the extension line of the intermediate arm 63 by the stopper 71, the lower surface of the tip of the connecting plate 65. Are abutted against each other, and the auxiliary arm 57 is prevented from further rotating.

Therefore, when the auxiliary arm 57 comes into contact with an obstacle such as a tree, the auxiliary arm 57 bends due to the pressing force of the obstacle,
If it passes through the obstacle, it returns to its original position due to the elastic force of the spring-loaded wire 70. That is, the arm member 33 'becomes linear.

In such an umbrella device 1 ', the driving means 66
The umbrella 2'is opened by sliding the slide pipe 38 'downward by the opening and closing mechanism 4'including the driving means 6
The reverse operation of 6 closes the umbrella 2 '.

In such an embodiment, in addition to the actions and effects similar to those of the first embodiment can be obtained,
The auxiliary arm 57 at the tip of the arm member 33 'is bent inward, and even if there is an obstacle such as a tree on the adjacent ground, if the auxiliary arm 57 comes into contact with the obstacle, the auxiliary arm 57 is pushed by the pressing force of the obstacle. Can bend and avoid obstacles. Therefore, there is an effect that the umbrella 2'can be opened even if there is an obstacle.

FIG. 10 shows a third embodiment of the present invention. In this embodiment, since the auxiliary arm 57 'at the tip of the arm member 33''can be bent, the second arm can be bent.
The structure is similar to that of the second embodiment, but the structure of the bent portion and the like is different from that of the second embodiment. That is, as shown in FIG. 10, the auxiliary arm 57 ′ at the tip of the arm member 33 ″.
Is attached by a tightening tool 56 composed of, for example, a wing nut and a bolt, and further, the auxiliary arm 57 'is located outside, in other words, the arm member 33' inside the connecting portion between the auxiliary arm 57 'and the arm member 33''. A leaf spring 58 for urging the upper side of the extension line of 'is attached. The wing nut and the bolt that form the tightening tool 56 are designed so as not to fall out.

Since the tightening tool 56 is always loosened, the auxiliary arm 57 'is urged by the leaf spring 58 to be located on the extension line of the arm member 33''. When the building arm 10 is suspended, the auxiliary arm 57 'comes into contact with an obstacle, such as a tree 59, which is located adjacent to the construction site. The leaf spring 58 is pressed by the obstacle.
It can be bent inward against the urging force of. Therefore, the spring force of the leaf spring 58 is extremely weak. Further, when the auxiliary arm 57 is disengaged from the obstacle, the leaf spring 58 returns to the original state by the urging force of the leaf spring 58.

If it is known in advance that an obstacle such as a tree 59 is present in the land adjacent to the construction site,
The building unit 10 may be suspended while the auxiliary arm 57 ′ is bent inward and the fixing clamp 56 is clamped. In such an embodiment, the same effect as that of the second embodiment can be obtained.

The present invention is not limited to the above-described embodiments, but includes the following modifications as long as the object of the present invention can be achieved. For example, although the chain sling 3 is used as the suspending member in each of the above embodiments, the present invention is not limited to this, and a wire sling made of a wire may be used. Further, in the above-mentioned respective embodiments, the wires 42 and 49 are used as the operating means 6, but
Not limited to this, for example, a fiber rope or the like may be used.

Furthermore, in each of the above-mentioned embodiments, the umbrella 2 is set to X,
Although the opening and closing can be performed in three stages of Y and Z, the present invention is not limited to this, and the opening and closing may be performed in two stages of, for example, the X position and the Z position, that is, the open state and the closed state. In short, the umbrella of the present invention has only to be openable and closable above the building unit.

Further, in the second embodiment, the pipe member 3
The drive means 66 for sliding the slide pipe 38 'in the vertical direction in the 6'is formed by the engagement between the pinion 74 on the pipe member 36' side and the rack 73 on the slide pipe 38 'side, but the invention is not limited to this. For example, two air or hydraulic cylinders are attached at opposite positions of the horizontal frame member 30 ', the cylinders are connected to the lower ends of the slide pipes 38', and the slide pipes 38 'are vertically moved by driving the cylinders. You may make it slide to. Alternatively, for example, a winch is arranged on the upper surface of the building unit 10, the wire is connected to the slide pipe 38 ', and the slide pipe 38' is driven by the winch.
May be slid vertically.

Further, in the second and third embodiments, the auxiliary arms 57 and 57 'are provided at the tips of the arm members 33''so that the tips can be bent. However, the present invention is not limited to this. May be formed of, for example, an air tube. By doing this, even if there is an obstacle, if the arm member is made of an air tube if it comes into contact with this obstacle and is pushed by the obstacle, the pushed portion will bend, and if it is removed from the obstacle, the original Return to the state of. Therefore, the effects similar to those of the second and third embodiments can be obtained by such an embodiment as well, the structure is simplified, and the entire device can be made lightweight.

[0049]

As described above, according to the raincoat construction umbrella device for a building unit of the present invention, the umbrella provided on the hanging member can be opened and closed above the building unit.
You don't have to open and close along the four corners of the building unit,
It can be opened and closed easily with little effort and time, which improves workability.

Further, since the four cord-shaped members connected to the four corners of the building unit are inserted into the four arm members of the umbrella, the arm member and the hanging member are always located concentrically,
As a result, there is no misalignment between the umbrella and the building unit,
Building units are protected from rain by an umbrella. further,
The tip of the arm member is bendable, and even if there is an obstacle such as a tree on the ground adjacent to the construction position, when the tip of the arm member contacts the obstacle, it bends due to the pressing force of the obstacle. Therefore, the building unit can be suspended even if there is an obstacle.

[Brief description of drawings]

FIG. 1 is a diagram showing a relationship between an umbrella device and a building unit according to a first embodiment of the present invention.

FIG. 2 is a view taken along the line II-II in FIG.

FIG. 3 is a diagram showing a main part of the umbrella device of the present embodiment.

FIG. 4 is a diagram showing a main part of the umbrella device of the present embodiment.

5 is a cross-sectional view taken along line VV in FIG.

FIG. 6 is a view showing an umbrella device according to a second embodiment of the present invention.

FIG. 7 is a diagram showing a main part of a second embodiment.

FIG. 8 is a diagram showing a tip portion of the umbrella device of the second embodiment.

9A and 9B are views showing the main part of the second embodiment, in which FIG. 9A is a sectional view taken along line AA of FIG. 8, and FIG. 9B is a sectional view taken along line BB of FIG.
FIG. 9C is a sectional view taken along line CC of FIG.

FIG. 10 is a diagram showing a tip end portion of an umbrella device according to a third embodiment of the present invention.

[Explanation of symbols]

 1, 1'Umbrella device for rain construction of building unit 2, 2'Umbrella 3 Chain sling 4, 4'Opening / closing mechanism 5 Waterproof sheet 6 Operating means 10 Building unit 21 Chain 33, 33 'Arm member 36 that constitutes the opening / closing mechanism 36 'pipe 38, 38' slide pipe 42, 49 wire constituting operation means 57 auxiliary arm 58 leaf spring 66 drive means 70 spring-loaded wire

Claims (3)

[Claims] 1. An umbrella provided on a hanging member for hanging a building unit constituting a unit-type building and covering the building unit, the umbrella being openable and closable above the building unit. Umbrella device for rainy construction of building units. 2. The umbrella apparatus for rainy construction of a building unit according to claim 1, wherein the umbrella includes at least four arm members extending from a plane center of the building unit in directions of four corners, and the hanging member is An umbrella device for rainy construction of a building unit, comprising: four string-like members whose lower ends are connected to the four corners of the building unit; and the string-like members are inserted into the arm members. 3. A rain umbrella construction device for a building unit according to claim 2, wherein a tip portion of the arm member is bendable.