JPH08260711A - Umbrella device for building unit and suspending method for building unit by umbrella device - Google Patents

Abstract

PURPOSE: To quickly open or close an umbrella device at an optional place and an optional time. CONSTITUTION: This umbrella 2 is constituted of arm members 5 covered with a waterproof sheet 7 and capable of being swung up and down, an opening/ closing mechanism 6, and a driving means 4 driving the opening/closing mechanism 6. This umbrella 2 is fitted to a chain sling 3 suspending a building unit 10. The driving means 4 including a hydraulic cylinder 40 is fitted to the opening/closing mechanism 6, and the umbrella 2 can be quickly opened or closed by drive of the driving means 4.

Description

Detailed Description of the Invention

[0001]

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

[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 hung by a crane. There is a need for a device that can carry out hanging work in the field. As an example of such a device, an umbrella-shaped device that can cover the entire building unit when the building unit is hung by a crane, such as an openable and closable umbrella-like device, is conceivable.

[0003]

By the way, in the hanging operation of the building unit, since there are a plurality of building units, the hanging operation must be repeated frequently.
Also, when using the umbrella device, since there is also a movement distance from the truck where the building unit is loaded to the placement position,
The umbrella device is required to be opened and closed at high speed, and is required to be easily opened and closed at any place and at any time.

An object of the present invention is to provide an umbrella device for a building unit, which can be quickly opened and closed at any place, at any time, and can be suspended even in the rain, and an umbrella device for the building unit. It is to provide a method of suspending a building unit by using an umbrella device.

[0005]

SUMMARY OF THE INVENTION An 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, and a driving means. The umbrella is characterized by being openable and closable by a driving means.

In this building unit umbrella device, the umbrella is covered with a waterproof sheet and extends radially from the center side, and a plurality of umbrella frame members that can swing vertically with the 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, and this opening / closing mechanism may be driven by a hydraulic drive device including a cylinder.

In the present invention, the opening / closing mechanism includes a horizontal fixing member attached to the hanging member, a guide member vertically attached to the fixing member, and a slide attached to the guide member and slidable in the vertical direction. Members,
A link member that connects the upper end of the slide member and a position away from the end on the center side of the umbrella frame member is provided, and the hydraulic drive device is attached to the upper part of the fixing member and the hydraulic drive device The cylinder and the slide member may be connected to each other, and the slide member may be slid vertically by expansion and contraction of the cylinder.

Further, in the method for suspending a building unit by the umbrella device for a building unit according to the present invention, an umbrella provided on a suspending member for suspending a building unit constituting a unit type building is opened in rainy weather to suspend the building unit. , This building unit is characterized by being closed when not hanging.

[0009]

In the present invention as described above, the umbrella can be opened and closed by the driving means, so that the umbrella can be opened at any place, at any time, and
You can quickly open and close the umbrella.

In the umbrella device of this building unit, the umbrella is constituted by a plurality of umbrella frame members and an opening / closing mechanism, and when the opening / closing mechanism is driven by a hydraulic drive device including a cylinder, The opening / closing mechanism can be driven smoothly, and since the hydraulic drive device is generally widely used, the cylinder and the like can be easily obtained, and the hydraulic means can be easily configured.

In the present invention, the opening / closing mechanism comprises a horizontal fixing member attached to the hanging member, a vertical guide member, a slide member, and a link member, and the hydraulic drive unit is constituted by the fixing member. While installing on the top,
When the cylinder of the hydraulic drive device is connected to the slide member and the slide member is slid vertically by expansion and contraction of the cylinder, the drive means is attached to the suspension member, so the drive means is compact. Becomes Further, since the driving means is attached to the member for suspending the building unit, it is not necessary to separately provide the suspending member and the driving means, and the originally necessary members can be effectively used.

Further, in the method of suspending a building unit by the umbrella device of the present invention, the umbrella is opened and used when it is raining, so that the building unit can be suspended even in the rain.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an umbrella device 1 according to the present embodiment and a building unit 10 suspended by the umbrella device 1. As shown in these drawings, the umbrella device 1 includes an umbrella 2 that can be opened and closed, a chain sling 3 that is a suspension member to which the umbrella 2 is attached, and a drive unit 4.

The umbrella 2 includes four arm members 5 that are swingable umbrella frame members, an opening / closing mechanism 6 connected to these arm members 5 for opening and closing the arm members 5, and an arm from the chain sling 3. The waterproof sheet 7 which covers the member 5 is provided. The chain sling 3 is composed of a suspension ring 20 and four chains 21 connected to the suspension ring 20. The chain sling 3 is hung from the crane by hooking the suspension ring 20 on the hook 8 on the crane side. . In addition, hooks (not shown) are attached to the ends of the four chains 21,
This hook can be engaged with the hanging bolts 11 provided at the four corners of the upper surface of the building unit 10.

As shown in FIGS. 2 and 3, the opening / closing mechanism 6 is provided with a horizontal frame member 30 which is a fixing member, and the horizontal frame member 30 is formed in a quadrangular frame shape by a short wire 31. It is connected to the chain 21 of the chain sling 3. A vertical pipe member 36, which is a guide member, is fixed to the horizontal frame member 30 by four connecting plates 37 that extend obliquely downward, and a slide pipe 38 slides vertically in the pipe member 36. It is provided freely. 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 its four corners, and the four arm members 5 are attached to the arm brackets 61 so as to extend radially on the extension lines. There is. The direction in which these arm members 5 extend and the link portion 60A
Is substantially the same as the direction of the radial extension.

Each of these arm members 5 is sandwiched on both sides by an arm bracket 61, and a proximal end arm 6 whose end near the center is connected by a horizontal pin 34.
2 and an intermediate arm 63 connected to the base arm 62.
And an auxiliary arm 57 attached to the tip of the intermediate arm 63 in a bendable manner. 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 arranged so as to sandwich their opposing end portions from each other. The intermediate arm 63 and the auxiliary arm 57 are connected to each other via a connecting plate 64 and a second connecting plate 65 which is arranged so as to sandwich the opposing ends thereof.

One end 53A of a connecting arm 53, which is a link member, is rotatably attached to the end of the link portion 60A of the link center 60 via a horizontal pin 52, and the other end of the connecting arm 53 is rotatable. 53B is sandwiched between the first connecting plates 64 of the arm member 5, and is rotatably attached by a horizontal pin 54. Therefore, the vertical movement of the link center 60, that is, the vertical movement of the slide pipe 38 causes the connecting arm 5 to move.
One end portion 53A and the other end portion 53B of 3 swing, whereby each arm member 5 is swingable. Here, the opening / closing mechanism 6 is configured by including the horizontal frame member 30, the pipe member 36, the slide pipe 38, the connecting arm 53 and the like.

The chain 21 is passed between the base end arm 62 and the intermediate arm 63, more specifically between the horizontal pin 54 and the intermediate arm 63, whereby the arm member 5 is swung. It does not come off the chain 21. In other words, the arm member 5 is guided by the chain sling 3, and the opening / closing mechanism 6, the chain sling 3, and the building unit 10 are suspended from the same center as the starting point.

As shown in FIG. 3, the lower end of the slide pipe 38 is connected to the driving means 4 via a connecting member 44. That is, the drive means 4 is the hydraulic cylinder 40.
The hydraulic cylinder 40 includes a slide pipe 3
8 is arranged in parallel and vertically, and the upper end is a horizontal frame member 3
It is fixed to a bracket 41 which is erected on the upper surface of 0 through an upper mounting member 42 having an L-shaped cross section, and a lower end portion is fixed to a lower portion of the pipe member 36 through a lower mounting member 43. The tip of the rod 40A of the hydraulic cylinder 40 is connected to the slide pipe 38 by the connecting member 44 as described above. The bracket 41 is shown in FIG.
As shown in FIG. 4, the horizontal member 4 hung on the horizontal frame member 30.
It is fixed on top of 5.

A pressure oil supply unit 47 is provided on the upper surface of the horizontal frame member 30 via a base plate 46. Inside the pressure oil supply unit 47, 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 48 is attached to the hydraulic pressure supply unit 47, and this receiving device 48 is capable of exchanging signals with the starting device 49 shown in FIG. By operating an internal hydraulic pressure switching valve or the like, pressure oil is supplied from the hydraulic pressure supply unit 47 to the hydraulic cylinder 40 through the reciprocating pipes 50A and 50B, and the rod 40A is expanded and contracted. Reference numeral 51 is an electric wire that is connected to the on-site power supply and that supplies electricity to the hydraulic pressure supply unit 47.

The relationship between the hydraulic cylinder 40 and the opening / closing mechanism 6 will be described below. When pressure oil is supplied to the hydraulic cylinder 40 to extend the rod 40A, the slide pipe 38 slides down in the pipe member 36 along with it. Then, the other end portion 53A of the connecting arm 53 rises, and the tip end side of the arm member 5 rises accordingly. In other words, the umbrella 2 will open, and as a result,
The state shown in FIG. 1 is obtained. If the rod 40A of the hydraulic cylinder 40 is contracted and retracted, the reverse of the above will occur and the umbrella 2 will be closed as shown by the phantom line in FIG.

As shown in detail in FIG. 4, the auxiliary arm 57 has the second connecting plate 6 at the tip of the intermediate arm 63.
It is provided so as to be bendable through 5. That is,
The second connecting plate 65 is arranged across 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 fixed to both side surfaces of the arm 57 by welding. On the other hand, the intermediate arm 6 of the connecting plate 65
One end on the third side is rotatably connected to the intermediate arm 63 by a horizontal connecting pin 67.

A pin 68 penetrating the auxiliary arm 57 is provided on the tip side of the auxiliary arm 57, and the intermediate arm 63 is also provided at the tip side of the intermediate arm 63 and at a position slightly away from the connecting pin 67. A pin 69 penetrating therethrough is provided. Then, the spring-loaded wire 70 is hung from the pin 68 to the pin 69 via the connecting pin 67 located in the middle. The spring-equipped wire 70 is formed of a spring portion 70A having a predetermined length dimension and a wire portion 70B having a predetermined length connected to the spring portion 70A.
One end of 0A is hooked on the pin 68 of the auxiliary arm 57, and one end of the wire portion 70B is pin 69 of the intermediate arm 63.
It is caught. The wire portion 70B is adapted to engage with the upper surface of the connecting pin 67.

In the vicinity of the connecting pin 67, the intermediate arm 6
A stopper 71 is attached to the lower surface of 3, and by this stopper 71, when the auxiliary arm 57 is located on the extension line of the intermediate arm 63, the lower surface of the tip of the connecting plate 65 is brought into contact with the auxiliary arm 57. The above does not rotate. 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 its original state due to the elastic force of the spring-loaded wire 70 when it passes through the obstacle. That is, the arm member 5 is normally linear.

The waterproof sheet 7 is a chain slinger 3
The four chains 21 and the four arm members 5 are fixed and covered at predetermined places, and an opening 7A is formed in the upper part. Further, the lower end has a shape that hangs from the tip of the auxiliary arm 57. The waterproof sheet 7 is made of a waterproof material such as polyvinyl chloride and is transparent or colored in blue or the like. Also, above the chain slinger 3, there are four chains 2
An upper waterproof sheet 9 is provided which is covered with No. 1 and prevents rain and the like from entering the opening 7A.

Next, a procedure for suspending the building unit 10 by the above umbrella device 1 will be described with reference to FIGS.
In FIG. 5, one lower floor building unit 10A of the building units 10 is suspended by the umbrella device 1 and the foundation 12 is suspended.
In the same manner as the above, a state in which the next lower-floor building unit 10B is hung is shown. At this time, the umbrella 2 is opened by the driving means 4.

To open the umbrella 2, an operator may operate the transmitter 49 to supply pressure oil from the pressure oil supply section 47 to the hydraulic cylinder 40 to extend the rod 40A. Then, the slide pipe 38 slides down in the pipe member 36 as the rod 40A extends. Along with this, one end 53A of the connecting arm 53 supported by the pin 52 descends, but the other end side 53 supported by the pin 52.
B rises, and further the tip side of the arm member 5 rises. In other words, the umbrella 2 will be opened.

The lower floor building unit 10B has already been installed in the foundation 12
Before adjoining the lower-floor building unit 10A, which is located above, the worker must
When the building unit 10B is located above the building unit 10A, the side sheets 13A and 13B that have been previously covered on the opposite side surfaces of the building unit 10B are removed. Even if the side sheets 13A and 13B are removed, the umbrella 2 is opened, so that the blowing of rain or the like is prevented by the umbrella 2, and thereby the rain or the like enters the room from the opposite side surfaces of the building units 10A and 10B. It won't get in, so it won't get wet in the room. A top sheet 13C is placed on the top surfaces of the lower floor building units 10A and 10B.

After arranging all the lower-floor building units 10A and the like, as shown in FIG. 6, after suspending the upper-floor building unit 10C with the umbrella 2 open, and moving it above the lower-floor building unit 10B, First, the top sheet 1 of the unit 10B
3C is removed, and the upper floor building unit 10C is stacked on the lower floor building unit 10B. Then, although not shown, the next upper-floor building unit is arranged adjacent to the unit 10C and on the lower-floor building unit 10A. At this time, the top sheet 13C of the lower-floor building unit 10A is removed, the side sheet 14B of the upper-floor building unit 10C, and the side sheet of the upper-floor building unit stacked on the lower-floor building unit 10A The side sheets 13A and 13B of the floor building unit 10A and the like are removed in the same manner.

Here, when one building unit, for example, the lower floor building unit 10A is arranged and then the umbrella device 1 is moved to suspend the next lower floor building unit 10B, the umbrella 2 is driven by the driving means 4. Do it after closing. After the lifting work of all the building units 10A and the like is completed, the worker operates the transmitting device 49 to close the umbrella 2 by the action opposite to the above, and loads the umbrella device 1 on the truck.

According to this embodiment as described above, the following effects can be obtained. The umbrella device 1 includes a hydraulic drive unit 4 including a hydraulic cylinder 40. The drive unit 4 is driven, and the opening / closing mechanism 6 is operated by the cylinder 40 so that the umbrella 2 can be opened and closed quickly. In this place, you can open and close it at any time, and work can be speeded up. The building unit 10 is adapted to be lifted by a chain slinger 3, and an openable and closable umbrella 2 is attached to the chain slinger 3. For this reason, since it is sufficient to open the umbrella 2 and lift the building unit 10, it is possible to suspend the building unit 10 even in rainy weather.

Since the hydraulic drive means 4 having the cylinder 40 and the pressure oil supply portion 47 is attached to the horizontal frame member 30, the drive means 4 is a compact device. The drive unit 4 includes the receiving device 48 and the transmitting device 49, and the worker can operate the transmitting device 49 on the ground. Therefore, even if the umbrella device 1 is lifted away from the worker, the driving device 4 can be easily operated. Can be operated. Since the driving means 4 is attached to the hanging member, the driving means 4 becomes compact. Further, since the driving means 4 is attached to the chain slinger 3 which is a member for suspending the building unit, it is not necessary to separately provide the suspending member and the driving means, which enables effective use of originally necessary members. Done.

Since the chain 21 passes through the inside of the arm member 5 and the building unit 10 and the umbrella 2 are suspended below the same center line of the chain slinger 3, the positional relationship between the umbrella 2 and the building unit 10 is shown. Does not shift,
The building unit 10 can be protected from rain.

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, in the above embodiment, the hydraulic drive device including the hydraulic cylinder 40 is used as the drive means, but the drive means is not limited to this, and a cylinder driven by pneumatic pressure may be used. Also, although the chain sling 3 is used as a hanging member,
Not limited to this, a wire sling made of wire may be used.

[0036]

As described above, the umbrella device for rainy weather construction of the present invention. In the present invention, the umbrella can be opened and closed by the driving means, so that the umbrella can be opened at any place, at any time, and quickly. You can open and close the umbrella.

Further, according to the method of suspending a building unit by the umbrella device of the present invention, the umbrella is opened and used when it is raining, so that it is possible to suspend the building unit even in the rain.

[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.

FIG. 5 is a diagram showing a hanging operation of the building unit by the umbrella device of the present embodiment.

FIG. 6 is a diagram showing a hanging operation of a building unit by the umbrella device according to the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Umbrella device of a building unit 2 Umbrella 3 Chain sling 4 which is a hanging member 4 Driving means 5 Arm member which is an umbrella frame member 6 Opening / closing mechanism 7 Waterproof sheet 10 Building unit 21 Chain 30 which constitutes a hanging member Horizontal frame member which is a fixing member 36 Pipe Member as Guide Member 38 Slide Pipe 40 Hydraulic Cylinder 47 Pressure Oil Supply Unit 53 Linking Arm as Link Member

Claims (4)

[Claims] 1. A umbrella provided on a hanging member for hanging a building unit constituting a unit-type building and covering the building unit, and a driving means, wherein the umbrella can be opened and closed by the driving means. Umbrella device of a building unit characterized by being. 2. The umbrella unit for a building unit according to claim 1, wherein the umbrella is covered with a waterproof sheet, extends radially from the center side, and extends vertically with the end portion on the center side as a fulcrum. It is configured to include a plurality of swingable umbrella frame members and an opening / closing mechanism that is connected to these umbrella frame members and that opens and closes the umbrella frame members, and the drive means that drives the opening / closing mechanism is a cylinder. An umbrella device for a building unit, which is a hydraulic drive device including the above. 3. The umbrella device for a building unit according to claim 2, wherein the opening / closing mechanism includes a horizontal fixing member attached to the hanging member, and a guide member vertically attached to the fixing member. A slide member which is attached to the guide member and is slidable in the vertical direction, and a link member which connects the upper end of the slide member and a position away from the end on the center side of the umbrella frame member, The hydraulic drive device is attached to an upper portion of the fixing member, the cylinder of the hydraulic drive device is connected to the slide member, and the slide member is slid vertically by expansion and contraction of the cylinder. Umbrella device for building unit. 4. An umbrella provided with a suspension member for suspending a building unit constituting a unit-type building, the umbrella being opened in rainy weather to suspend the building unit, and closed when the building unit is not suspended. How to suspend a building unit by a device.