JPH0925727A - Umbrella device for building unit and waterproof sheet fitting method for umbrella device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To keep a building unit and an umbrella device at a normal posture and facilitate crane operation work. SOLUTION: An umbrella device 1 covering a building unit 10 is provided with a chain 4 connected to a crane, and the chain 4 is fitted to an umbrella 5. The building unit 10 is suspended by a chain slinger 11 separate from the chain 4. The umbrella 5 is provided with multiple umbrella skeleton members 6, opening/closing mechanisms 7 connected to the umbrella skeleton members 6 and opening or closing the umbrella members 6, a driving means 8 driving the opening/closing mechanisms 7, and a waterproof sheet 9 covered over the umbrella skeleton members 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an umbrella device of a building unit and a method of attaching a waterproof sheet to the umbrella device, for example, construction of a unit type building at a site in rainy weather or rain during construction of a unit type building. It can be used to suspend building units at times.

[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. Generally, it is difficult to construct such a unit-type building in rainy weather because the building unit gets wet when the building unit is suspended by a crane.
For reasons such as shortening the construction period, it is necessary to have a device that allows the crane to be hung up even in rainy weather.
As an example of such a device, an umbrella device or the like that can cover the entire building unit when it is hung by a crane has been desired. Therefore, the applicant has already applied for such an umbrella device (Japanese Patent Application No. 6-294551).

This umbrella device is constructed by attaching a umbrella frame member covered with a waterproof sheet, an umbrella opening / closing mechanism, a driving means, etc. to a hanging member such as four chains slinger for hanging a building unit by a crane. The crane can be used even in rainy weather.

[0004]

By the way, when the building unit is lifted by a hanging member such as a chain slinger,
Due to the posture of the building unit and the like, it is best for the suspension member to be in a tense state, and on the other hand, for the umbrella device to be maintained in a horizontal state and to be opened and closed in that state. However, in the umbrella device as described above, since the building unit, the umbrella frame member of the umbrella device, the umbrella opening / closing mechanism, and the like are attached to the four hanging members, the building unit and the umbrella frame member and the like affect each other. ing. Therefore, for example, when the posture of one member is changed, the lengths of the four suspending members are adjusted, and the postures of the one member are normally maintained. This time, since the other posture changes, there is a problem that the crane operation work is difficult.

An object of the present invention is to provide an umbrella device for a building unit, which can maintain the building unit and the umbrella device in a normal posture and facilitates crane operation work.

Another object of the present invention is to provide a method of attaching a waterproof sheet for an umbrella device of a building unit, which enables easy attachment of the waterproof sheet for an umbrella device of a building unit.

[0007]

The umbrella device for a building unit according to the present invention is lifted by a plurality of first hanging members attached to a hanging hook of a crane, and is above a building unit constituting a unit type building. A plurality of second hanging members attached to the hanging hooks of the crane, and an umbrella having a waterproof sheet that is hung on the second hanging members and covers the building unit. This umbrella is configured to be opened and closed and to have a drive means suspended from the second suspension member.

In such an umbrella device, the umbrella or the like forming the umbrella device is suspended by the second suspension member which is different from the first suspension member for suspending the building unit. They do not affect each other, so that, for example, a change in the posture of one does not affect the other, and even if the posture of one is changed, only that member can be adjusted. It can be maintained in a normal posture and the crane operation work becomes easy.

In this building unit umbrella device, the umbrella is connected to the plurality of umbrella frame members that extend radially from the center side and that can swing in the vertical direction with the end portion on the center side as a fulcrum. And an opening / closing mechanism for opening and closing the umbrella frame member, each of the umbrella frame members being a center side main body arm member and an extension arm member detachably connected to the tip of the main body arm member. The chain block may be used as the driving means for driving the opening / closing mechanism.

In such an umbrella device, even if the umbrella frame member is long, the frame member can be separated into the main body arm member and the extension arm member, so that the umbrella frame member can be transported without touching the transport length limit, and Since the extension arm member can be held in a detached state, it is easy to store the umbrella device. Further, since the drive means is a chain block, the structure is simple.

Further, in the present invention, the extension arm member may be bent outward with respect to the main body arm member. In such an umbrella device, when the extension arm member is attached, the main body arm member can be lowered to the vicinity of the ground with the body arm member opened, so that the installation work of the extension arm member can be performed near the ground, which allows easy and safe installation. It becomes work.

In the present invention, the opening / closing mechanism is provided with a horizontal fixing member attached to the second suspension member, a guide member vertically attached to the fixing member, and a vertical fixing member provided on the guide member. A sliding member,
A link member that connects the upper end of the slide member and a position away from the center end of the umbrella frame member is provided, and the chain block is fixed to the guide member at one end and the slide member at the other end. And the umbrella may be opened by winding the chain of this chain block.

In such an umbrella device, since the slide member slides in the guide member by winding up the chain of the chain block and the opening / closing mechanism opens / closes accordingly, the structure is simplified.

In the present invention, the main ring is attached to the hanging hook of the crane in an engageable manner, the second hanging member is attached to the main ring via the umbrella hanging ring as an intermediary, and the fixing member is a seat projecting upward. A support frame is provided, and the waterproof sheet can be attached to the seat support frame and the umbrella frame member,
A lower tarpaulin covering these umbrella frame members and an upper tarpaulin covering the upper side of the fixing member are included, and the upper tarpaulin is lifted by an auxiliary hanging member attached to the umbrella hanging ring. You may support it.

In such an umbrella device, the waterproof sheet is divided into a lower waterproof sheet and an upper waterproof sheet, which are separately mounted, so that the mounting work of the waterproof sheet becomes easy.

In the present invention, on the side surface of the umbrella frame member,
A chain guide for inserting the first suspension member and guiding the first suspension member may be provided between the side surface and the side surface. In such an umbrella device, the first suspending member is inserted between the chain guide and the side surface of the umbrella frame member, so that the center of the umbrella frame member and the center of the building unit are at the same center. Does not shift from the building unit, which ensures that the building unit is covered.

Further, the attaching method for attaching the waterproof sheet in the umbrella device of the building unit to the umbrella frame member of the umbrella is such that the extension arm member is removed from the main body arm member and the waterproof sheet is not attached. After the stored umbrella frame member is lifted by the crane via the second hanging member, it is opened by the driving means and lowered to the vicinity of the ground, and then the extension arm member is connected to the main body arm member, and the lower waterproof sheet After attaching a part of the seat support frame to the main body arm member,
An upper waterproof sheet that covers the upper side of the fixing member is attached to the auxiliary suspending member, and then the umbrella frame member is lifted from near the ground until the extension arm member and the main body arm member are in a straight line, and in that state, the extension arm The remaining part of the lower waterproof sheet is attached to the member.

In such a method of attaching the waterproof sheet in the umbrella device of the building unit, since the extension arm member can be connected to the main body arm member near the ground, and the lower waterproof sheet can be attached in that state, the sheet attaching operation is performed. Is a work near the ground, which allows the seat to be easily and quickly installed, and is a work near the ground, which is safe.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a umbrella device 1 according to a first embodiment of the present invention and a side surface and a plane of a building unit 10 covered with the umbrella device 1. The umbrella device 1 is
The main ring 2 that can be engaged with the hanging hooks 15 of the crane is provided with a chain 4 that is a second hanging member attached via the umbrella hanging ring 3. An umbrella 5 that covers the building unit 10 is connected to the chain 4.

The building unit 10 is adapted to be suspended by a chain slinger 11 which is a first suspension member separate from the chain 4, and the chain slinger 11 is suspended on the main ring 2 for units. It is attached via a ring 12. Also, the chain slinger 1
A hook (not shown) is attached to the tip of the hook 1, and the hook is engaged with the hanging bolts 13 provided at the four corners of the upper surface of the building unit 10.

The umbrella 5 includes a plurality of (four in the present embodiment) umbrella frame members 6 which are swingable, and an opening / closing mechanism 7 which is connected to the umbrella frame members 6 to open and close the umbrella frame members 6. And a driving means 8 for driving the opening / closing mechanism 7, and a waterproof sheet 9 covering the umbrella frame member 6.

The chain 4 is composed of four chains, and as described above, is connected to the main ring 2 via the suspension ring 3. Also, 4
The tip of the book chain 4 is connected to a horizontal frame member 30, which is a fixing member described below.

That is, as shown in FIGS. 2 and 3, the horizontal frame member 30 is in the shape of a rectangular frame formed by assembling two sets of plate members arranged opposite to each other, and two sets of hooks arranged opposite to each other on their side surfaces. 39 is attached. In addition, the horizontal frame member 30
At the four corners of the upper surface of the
And a seat support frame 42 formed by a horizontal bar 41 connecting the upper ends of these to each other.

A vertical pipe member 36, which is a guide member, is fixed below the horizontal frame member 30 by four connecting plates 37 extending obliquely downward. Inside the pipe member 36, there is a slide member. A certain slide pipe 38 is provided so as to be vertically slidable. A link center 60 having a link portion 60A radially extending from the center of the slide pipe 38 is formed on the upper portion of the slide pipe 38. The link center 60 also serves as a stopper that restricts the downward movement of the slide pipe 38 by a predetermined amount or more.

On the lower surface of the horizontal frame member 30, the horizontal frame member 3
Arm brackets 61 are provided respectively on extension lines connecting the center of 0 and almost four corners thereof, and the four umbrella frame members 6 are attached to the arm brackets 61 so as to extend radially on the extension lines. ing. The direction in which these umbrella frame members 6 extend and the link portion 6
It is almost the same as the radial direction of 0A.
These umbrella frame members 6 are formed of, for example, square pipes, one end portion on the center side is sandwiched between the arm brackets 61 on both sides, and the main body arm member 62 is connected by the horizontal pin 34. Arm member 62
And an extension arm member 63 that is detachably connected to the tip of the.

As shown in FIG. 3, the main body arm member 62 has a base end arm 74 attached to the arm bracket 61 via the pin 34 and a tip end arm 75 attached to the tip end side thereof, and they are opposed to each other. Set of two first connecting plates 64 that sandwich the end portions of the
Is formed. A tube member 76 is attached to the tip of the tip arm 75, and the tube member 76 has a size such that the tip arm 75 can be inserted. Also,
A pin hole 7 that horizontally penetrates the opposite side surfaces of the tubular member 76.
6A is opened, and further, on the outside of each cylindrical member 76, an opening 76B is formed which is approximately half of the length thereof.

The extension arm member 63 comprises a connecting arm 77 which is inserted into the tubular member 76, and an auxiliary arm 57 which is attached to the tip of the connecting arm 77. The base end of the connection arm 77 is formed with a rounded inner side, and the outer side of the base end is inserted into the tubular member 76.
Moreover, it becomes easier when the inside of the opening 76B on the outside of the tubular member 76 is bent outward. Further, the connecting arm 77 and the auxiliary arm 57 are connected to each other via a second connecting plate 65 which is arranged so as to sandwich the opposing ends thereof. The auxiliary arm 57 can be bent inward with respect to the intermediate arm 62. Therefore, the auxiliary arm 57 bends due to the pressing force of the obstacle when it comes into contact with an obstacle such as a tree, and returns to the original state due to the elastic force of the spring-loaded wire when passing through the obstacle.

The size of the connecting arm 77 is the same as that of the tip arm 7.
5 has the same size as that of the connection arm 77.
A pin hole 77A penetrating horizontally is formed in one end of the main body arm member 62 side. This pin hole 77A
The pin hole 76A and the pin hole 76A are aligned in the horizontal direction when one end of the connecting arm 77 is inserted into the tubular member 76. Then, by inserting the pin 78 into these pin holes 77A and 76A, the main body arm member 62 and the extension arm member 63 are connected to each other. And when these 62 and 63 are connected,
As a whole, the umbrella frame member 6 having a length required for the umbrella 5 is formed.

As shown in FIG. 4, one end portion 53A of a connecting arm 53, which is a link member, is rotatably attached to the link portion 60A of the link center 60 via a horizontal pin 52. The other end portion 53B is sandwiched between the first connecting plates 64 of the umbrella frame member 6 and is rotatably attached by a horizontal pin 54. Therefore, the one end portion 53A and the other end portion 53B of the connecting arm 53 swing due to the vertical movement of the link center 60, that is, the vertical movement of the slide pipe 38, whereby the respective umbrella frame members 6 can swing. ing. Here, the opening / closing mechanism 7 includes the horizontal frame member 30, the pipe member 36, the slide pipe 38, the connecting arm 53, and the like.

The chain 4 is connected to the hook 39 attached to the horizontal frame member 30. Further, a chain guide 26 formed in a U shape, for example, with a round bar is attached from the base end arm 74 of the main body arm member 62 to the first connecting plate 64, and between the chain guide 26 and the arm member 62. Then, the chain slinger 11 is passed through, so that the umbrella 5 and the building unit 10 are suspended from the same center as the starting point. Therefore, the building unit 10 is surely covered with the umbrella 5.

As shown in FIG. 4, a slide pipe 38
Are connected to the drive means 8. That is, the driving means 8 is composed of, for example, a chain block 20, the upper part of the chain block 20 is fixed to the side surface of the link center 60 of the horizontal frame member 30, and the lower hook 22 is connected to the connecting member 4.
4 is connected to the pipe member 36.

Therefore, as shown in phantom in FIG. 4, the umbrella 5
When the chain 23 for winding up the chain block 20 is pulled in the closed state, the link center 60 is pulled around the connecting member 44 fixed to the pipe member 36, and the link center 60 moves downward. That is, the slide pipe 38 slides in the pipe member 36. Then, the other end portion 53 of the connecting arm 53
A rises, and with this, the extension arm member 63 side of the umbrella frame member 6 rises. In other words, the umbrella 5 is opened, and as a result, the state shown in FIGS. On the contrary, while stopping the operation of the chain 23 for winding the chain block 20,
When is loosened, the umbrella 2 is closed by the weight of the umbrella frame member 6 and the like, and at this time, the slide pipe 38 slides up inside the pipe member 36.

The waterproof sheet 9 includes the sheet support frame 4
It is configured to include a lower sheet 45 attached from 2 to the umbrella frame member 6 and an upper sheet 46 provided above the lower sheet 45. Lower sheet 4
As shown in FIG. 6, 5 is formed of four substantially trapezoidal sheet members 47, and a plurality of rings 48 are attached at predetermined intervals on the inner side of each side. The upper end portion of each sheet member 47 has the horizontal bar 4 of the seat support frame 42.
1 (see FIG. 4), each side portion connects the rings 48 of the adjacent sheet members 47 with a string 49 as shown in FIG. 7, and connects the string 49 to the main body arm of the umbrella frame member 6. It is fixed by being wound and tied around the member 62 or the like.

As shown in FIG. 8, the upper sheet 46 is formed in a substantially rectangular shape having protruding edges 46A on all four sides.
It is cut toward the outside from the middle position on the two diagonal lines. Then, the cut portions are overlapped with each other, and a mounting member 50 such as Velcro (trade name) is used.
Fixed in place and formed into a tent,
A is attached to the outer surface of the upper end of the lower sheet 45. Although not shown, the lower sheet 45
The mounting member 50 is also provided on the outer surface of the upper end of the.

In the upper seat 46, four umbrella chains 4 and four chain slingers 11 can be vertically inserted at predetermined positions on the two diagonal lines. A total of eight insertion holes are opened in the lower part of 46 which are overlapped,
Bag-shaped members 51 as shown in FIG. 8 are attached to the edges of these insertion holes. Then, inside the bag-shaped members 51, the chain 4 and the chain slinger 11 respectively.
Is inserted to prevent intrusion of rain or the like from each insertion hole. In addition, a long hole 46B is formed in the upper part that is overlapped so as to correspond to the bag-shaped member 51, so that the upper part and the upper part that are overlapped can be slid laterally with respect to each other.

A hook 67 is attached to the top of the upper sheet 46. On the other hand, in the main ring 2,
A string-like member 69 (see FIG. 9) via the seat suspension ring 68
Is attached, and a hook 70 is attached to the tip of the string-like member 69. Then, as shown in FIG. 10, by engaging the hook 67 of the upper sheet 46 and the hook 70 of the string-like member 69, the upper sheet 46 is engaged.
Can be attached. The waterproof sheets 45 and 46 are made of a waterproof material such as polyvinyl chloride, and are transparent or colored blue or the like.

A holding device 80 is shown in FIG. 5, and this holding device 80 is used to hold the umbrella frame member 6 in a state before the extension arm member 63 is attached.
The holding device 80 includes a base member 8 assembled in a rectangular frame shape.
1 and projection members 83 that are erected on the upper surfaces of the four corners of the base member 81 via base plates 82. The holding device 80 is sized so that the mounting member 83 is located on the extension of the tip of the tubular member 76 of the main body arm member 62 when the umbrella 5 is closed.

On the upper side surface of the protruding member 83, the same pin hole 83 as the pin hole 77A of the connecting arm 77 is provided.
A is opened and the umbrella 5 including the main body arm member 62
Is hung by a crane and lowered, and the protruding member 83 is inserted into the tubular member 76 of the main body arm member 62, and the pin hole 77
By inserting the pin 78 into A and 83A, the umbrella 5 can be fixed. Then, such a holding device 80 is used, for example, when it is attached to a truck and the umbrella device 1 is transported, the umbrella frame member 6 is stored, and the like.

Next, referring to FIGS.
A procedure for connecting the umbrella frame member 6 and a method for attaching the lower sheet 45 and the upper sheet 46 to the umbrella frame member 6 will be described. As shown in FIG. 5, the umbrella 5 held by the holding device 80 without the extension arm member 63 attached.
Remove the pin 78 and connect the umbrella 5 to the umbrella chain 4 and lift it with a crane to hold the umbrella 5 in the holding device 8
Separate from zero. After this, at a position away from the holding device 80, the chain 23 for hoisting the chain block 20
And the link center 6 in the slide member 38.
By lowering 0 and raising the other end portion 53B of the connecting arm 53, the main body arm member 62 of the umbrella frame member 6 is opened and the whole is brought close to the ground.

Next, as shown in FIGS. 6 and 9, the extension arm member 63 is attached to the main body arm member 62 which is brought close to the vicinity of the ground, and the pin 78 is inserted and fixed in the pin holes 76A and 77A. Then, the upper portions of the four sheet members 47 are sequentially attached to the seat support frame 42, and the strings 49 and 48 are tied within the range of the main body arm member 62 on the side portions of the respective sheet members 47, and the strings 49 are connected to each other. Further, the main body arm member 62 is wound and attached.

Subsequently, as shown in FIG. 10, the upper sheet 46 is hung and attached to the string-like member 69. On this occasion,
Each of the four umbrella chains 4 is passed through the bag-shaped member 51, and each of the four chain slingers 11 is also passed through the bag-shaped member 51. Thereafter, the umbrella 5 is lifted by a crane until the main body arm member 62 and the extension arm member 63 are in a straight line shape, and when the straight line shape is maintained, the umbrella 5 is kept in that state. In the same manner, the portion of the extension arm member 63 is attached to the extension arm member 63 by tying the rings 48 together with the string 49, similarly to the above.

After that, as shown in FIG. 1, the tip end hook of the chain slinger 11 is hooked on the hanging bolt 13 of the building unit 10 and lifted by a crane to be placed at a predetermined position. After that, a unit-type building is built by sequentially hoisting, arranging, and combining a plurality of building units.

When the used umbrella 5 is stored, the umbrella 5
With the door open, lower it to near the ground and extend the extension arm member 6
The lower sheet 45 of the region 3 is removed from the extension arm member 63 by removing the string 49 from the extension arm member 63. After this,
Since the extension arm member 63 is not bent outward, the umbrella 5 is further lowered, the lower sheet 45 at the portion removed from the extension arm member 63 is rolled, and the lower sheet 45 is fixed to the main body arm member 62 side. Next, the extension arm member 63 is removed from the main body arm member 62, and the main body arm member 62 is closed and attached to the holding device 80 for storage.

According to this embodiment as described above, the following effects can be obtained. Since the building unit 10 is suspended by the chain slinger 11 and the umbrella 5 of the umbrella device 1 is suspended by the chain 4 constituting the device 1, the respective suspension members 11, 4 are
Do not affect each other. Therefore, even if the posture of the building unit 10 or the umbrella 5 changes, it does not affect others, and only the changed one needs to be normal, which facilitates the lifting operation of the crane.

The tubular member 76 of the main body arm member 62 includes:
Since the opening 76A is formed on the outer side and the extension arm member 63 can be inserted into the tubular member 76 and then bent outward, when the lower sheet 45 is attached, the main body arm member 62 of the umbrella 5 is opened to near the ground. It can be lowered and the waterproof sheet 9 can be attached near the ground. Therefore, the work of attaching the lower sheet 45 and the upper sheet 46 can be performed easily and safely. Since the chain block 20 is provided as a drive source of the opening / closing mechanism 7 for opening / closing the umbrella 5, the structure is simplified,
And the operation becomes simple.

Since the upper sheet 46 is suspended by the string-like member 69 and the lower portion thereof is attached to the lower sheet 45 with the magic tape 51, it is possible to prevent rain from the joint between the upper sheet 46 and the lower sheet 45. Intrusion is prevented, which allows the building unit 10 to be hung in without getting wet.

Since the skeleton member 6 is formed by detachably connecting the main body arm member 62 and the extension arm member 63, even if the skeleton member 6 is long as a whole, it can be separated and loaded on a truck during transportation, for example. , Can be transported without touching the transportation restrictions. Also, because it can be stored separately when storing,
Easy to store. The chain slinger 11 passes between the main body arm member 62 of the umbrella frame member 6 and the chain guide 26, and the building unit 10 and the umbrella 5 are suspended below the same center line. The positional relationship with 10 does not shift, and thus the building unit 10 can be protected from rain.

The upper end of the lower sheet 45 is attached to the sheet support frame 42 attached to the horizontal frame member 30, and the sheet support frame 42 has a horizontal bar 41 and a square frame. Therefore, it is easy to attach the upper end portion of the sheet member 47.

FIG. 11 shows a second embodiment of the present invention. In this embodiment, a hydraulic drive means 90 is used as a drive source for opening and closing the umbrella, instead of the chain block 20 of the first embodiment. In this embodiment, the same parts as those in the structure and the used members in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted or simplified.

In FIG. 11, the hydraulic drive means 90 is provided with a hydraulic cylinder 91, which is arranged parallel to and perpendicular to the slide pipe 38, and the upper end of which is erected on the upper surface of the horizontal frame member 30. Bracket 92
Is fixed via an upper mounting member 93 having an L-shaped cross section, and the lower end is fixed to the lower portion of the pipe member 36 via a lower mounting member 94. The tip of the rod 91A of the hydraulic cylinder 91 is connected to the slide pipe 38 by the connecting member 95. The bracket 92 is fixed on the horizontal member that is bridged over the horizontal frame member 30.

A pressure oil supply portion 97 is provided on the upper surface of the horizontal frame member 30 via a base plate 96. Inside the pressure oil supply portion 97, although not shown, an oil tank, a hydraulic pressure switching valve, An operation source for operating the hydraulic pressure switching valve is provided. Further, a receiving device 98 is attached to the hydraulic pressure supply unit 97, and the receiving device 98 can exchange signals with a starter device (not shown). As a result, the hydraulic pressure inside the hydraulic pressure supply unit 97 can be changed. Operate the switching valve, etc., and reciprocate the pipe 99 from the hydraulic pressure supply unit 97.
By supplying pressure oil to the hydraulic cylinder 91 by A and 99B,
The rod 91A is adapted to expand and contract. Reference numeral 100 is an electric wire that is connected to the on-site power supply and supplies electricity to the hydraulic pressure supply unit 97.

Here, the relationship between the hydraulic cylinder 91 and the opening / closing mechanism 7 will be described. When pressure oil is supplied to the hydraulic cylinder 91 to extend the rod 91A, the slide pipe 38 slides down in the pipe member 36 along with it. Then, the other end 53A of the connecting arm 53 rises, and the tip side of the umbrella frame member 6 rises accordingly. In other words, the umbrella 2 is opened, and as a result, the state shown by the solid line in FIG. 11 is obtained. Further, when the rod 91A of the hydraulic cylinder 91 is contracted and retracted, the above operation is reversed, and the umbrella 5 is closed as shown by the phantom line in FIG.

In the second embodiment as described above, in addition to the effects other than those mentioned above, the hydraulic drive means 90 is used for opening and closing, so that the operator can operate the chain 23.
Since you do not have to wind up the
And, there is an effect that it can be done quickly.

The present invention is not limited to the above-mentioned embodiments, but includes the following modified forms as long as the object of the present invention can be achieved. For example, the chain 4 and the chain slinger 11 used in each of the above-described embodiments may be wires.

[0055]

As described above, according to such an umbrella device, the umbrella or the like constituting the umbrella device is hung by the second hanging member which is different from the first hanging member for hanging the building unit. Since it is lowered, the building unit and the umbrella device do not affect each other, and thus, for example, a change in the posture of one does not affect the other. Therefore, even if one of the postures is changed, only that member can be adjusted, so that the building unit and the umbrella device can be held in a normal posture, and the crane operation work becomes easy.

In addition, in the method of attaching the waterproof sheet in the umbrella device of the building unit, since the extension arm member can be connected to the main body arm member near the ground and the lower waterproof sheet can be attached in that state, the work of attaching the sheet is not required. This is a work near the ground, which allows the seat to be easily and quickly installed, and is work near the ground, which is safe.

[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 plan view of FIG.

FIG. 3 is a perspective view showing a main part of the first embodiment.

FIG. 4 is a side view showing a main part of the first embodiment.

FIG. 5 is a perspective view showing a state where the umbrella device of the first embodiment is stored.

FIG. 6 is a perspective view showing a process of attaching the waterproof sheet according to the first embodiment.

FIG. 7 is a cross-sectional view showing a combined state of the waterproof sheet and the umbrella frame member of the first embodiment.

FIG. 8 is a plan view showing the upper sheet of the first embodiment.

FIG. 9 is a side view showing a part of the waterproof sheet attaching operation of the first embodiment.

FIG. 10 is a perspective view showing a process of attaching the waterproof sheet according to the first embodiment.

FIG. 11 is a side view showing a main part of the umbrella device according to the second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Umbrella device of building unit 4 Chain which is a second hanging member 5 Umbrella 6 Umbrella frame member 7 Opening / closing mechanism 8 Driving means 9 Waterproof sheet 10 Building unit 11 Chain slinger which is a first hanging member 20 Chain block 26 Chain guide 30 Horizontal frame member which is a fixing member 36 Pipe member which is a guide member 38 Slide pipe 42 Sheet support frame 45 Lower sheet which constitutes a waterproof sheet 46 Upper sheet which constitutes a waterproof sheet 62 Main body arm member which constitutes an umbrella frame member 63 Umbrella frame Extension arm member constituting the member

Claims (7)

[Claims] 1. An umbrella device that is lifted by a plurality of first hanging members attached to a hanging hook of a crane and covers an upper part of a building unit that constitutes a unit-type building, and is attached to the hanging hook of the crane. A plurality of second suspending members, an umbrella having a waterproof sheet that is suspended from the second suspending members and covers the building unit, and the umbrella is opened and closed, and the second suspending member An umbrella device for a building unit, which is configured to include a driving unit that is hung on a floor. 2. The umbrella device for a building unit according to claim 1, wherein the umbrella extends in a radial direction from a center side and is vertically swingable about an end portion on the center side as a fulcrum. And an opening / closing mechanism that is connected to these umbrella frame members and that opens and closes the umbrella frame members, wherein the umbrella frame members are the center side main body arm member and the tip of the main body arm member, respectively. An extension arm member detachably connected to the umbrella unit of the building unit, wherein the driving means for driving the opening / closing mechanism is a chain block. 3. The umbrella device for a building unit according to claim 2, wherein the extension arm member is bendable outward with respect to the main body arm member. 4. The umbrella device for a building unit according to claim 1, wherein the opening / closing mechanism is provided with a horizontal fixing member attached to the second hanging member and vertically with respect to the fixing member. A mounted guide member, a slide member provided on the guide member and slidable in the vertical direction, and a link member connecting an upper end of the slide member and a position away from the center-side end of the umbrella frame member. The chain block has one end fixed to the guide member and the other end connected to the slide member, and the umbrella is opened by winding the chain of the chain block. Umbrella device for building unit. 5. The umbrella device for a building unit according to claim 1, wherein a main ring is attached to the suspension hook of the crane so as to be engageable, and the second suspension member is the main ring. To the fixing member is provided with a seat support frame projecting upward, the waterproof sheet is attached to the seat support frame and the umbrella frame member, and the umbrella is attached to the fixing member. It is configured to include a lower waterproof sheet covering a frame member and an upper waterproof sheet covering above the fixing member, and the upper waterproof sheet is supported by being lifted by an auxiliary hanging member attached to the umbrella hanging ring. Umbrella device of a building unit, which is characterized by being. 6. The umbrella device for a building unit according to claim 2, wherein a side surface of the umbrella frame member has the first hanging member inserted between the side surface and the side surface.
Moreover, an umbrella device for a building unit, wherein a chain guide for guiding is provided. 7. A mounting method for mounting the waterproof sheet in the umbrella device of a building unit according to claim 2 to the umbrella frame member of the umbrella,
After the extension arm member is removed from the main body arm member, and the umbrella frame member stored in a state in which a waterproof sheet is not attached is lifted by a crane via the second hanging member, After opening by the drive means and lowering to the vicinity of the ground, then connecting the extension arm member to the main body arm member and attaching a part of the lower waterproof sheet from the seat support frame to the main body arm member, An upper waterproof sheet covering above the fixing member is attached to the auxiliary suspending member, and then the umbrella frame member is lifted from near the ground until the extension arm member and the main body arm member are linear, In this state, the remaining portion of the lower waterproof sheet is attached to the extension arm member in the umbrella device of the building unit. Mounting method of the waterproof sheet.