JPH08128113A - Method and device for erection of structure post - Google Patents

Abstract

PURPOSE: To prevent inclined suspension and secure safety by raising a post near an erection position with a lift means and connect the upper end of the post to the upper position of a lower story post, and then turn the post to keep the post upright, and lower the post on the lower story post to fix them each other. CONSTITUTION: A new post is lifted up near an erection position in a horizontal state with two arms 8a and 8b by way of a turning means which is mounted to a hook block of a crane. A part which is the upper part of the new post 3 is brought near a chain block 5 of the uppermost story above a lower story post 4 so as to hang the other end of a wire 18 connected to the upper end of the post 3 on a hook of a chain block 5. Then, a wire 6 is extended so as to lower the post 3 and an erection device is turned with a wire 18 so that the post 3 may drop vertically. After that, the erection device 12 is removed from the new post 3. Then, the chain block 5 is lowered where a new post 3 is erected on an existing post 4 of the lower story and fixed by welding, for example.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for constructing a pillar of a structure, and in particular, a new built-in pillar is added to an existing pillar on the lower floor when a high-rise building such as a building is constructed by an all-weather construction method. The present invention relates to a method and a device for building.

[0002]

2. Description of the Related Art Conventionally, as an all-weather construction method for a high-rise building such as a building, first, an uppermost floor frame is assembled on the ground, and the uppermost floor frame is lifted by a lift-up device to form a pillar on the first floor. A method is proposed in which the first and second floors are erected by erection of beams and beams, the uppermost frame is raised after the construction of the first floor is completed, and so on. .

In this construction method, in order to build a new pillar on the existing pillar on the floor below the uppermost floor frame 1,
As shown in FIG. 5, when the uppermost floor frame 1 is located above the existing pillar, the new pillar 3 cannot be moved directly onto the existing pillar 4 on the lower floor by the crane 2;
Therefore, the new pillar 3 is first suspended by the crane 2 to a predetermined height, and a lifting device provided on the lower surface of the uppermost floor frame 1 above the existing pillar 4 on the lower floor, for example, a chain block 5 is used to lift the chain. Hook the hook provided at one end of the block on the upper part of the new pillar 3,
Winding up the chain block 5 and extending the wire 6 of the crane 2 until the new pillar 3 is positioned above the existing pillar 4 as shown by the chain double-dashed line in FIG. When the new pole 3 is adjusted and completely positioned on the existing pole 4, the wire 6 of the crane 2 is removed from the new pole 3, and the chain block 5 is operated to operate the new pole. 3 was descended, and it was built in the existing pillar 4 and welded.

[0004]

However, the attachment and detachment of the hook of the above-mentioned conventional chain block 5 to the new column 3 must be performed manually, which is dangerous because it is a work at a high place. Chain block 5
Since it was difficult to adjust the hoisting and hoisting of the wire 6 of the crane 2, it took time to work.

Since the new pillar 3 suspends the chain block 5 and the wire 6 of the crane 2 for a certain period,
There were drawbacks such as the diagonal hanging of the crane and the danger.

The present invention eliminates the above drawbacks.

[0007]

The method of erection of a pillar of a structure according to the present invention comprises a step of raising the erection pillar to a vicinity of the erection position in a horizontal state through a lifting means, and an upper end of the erection pillar. The step of connecting the end that should be to the point above the pillar on the lower floor, the step of rotating the built-in pillar to make it vertical, and the vertical built-up pillar on the pillar of the lower floor It comprises a step of lowering and a step of fixing the built-in pillar to the pillar on the lower floor.

Further, the method of the present invention includes the step of removing the hoisting means from the built-in pillar after normalizing the built-in pillar and using it for the subsequent hoisting of the built-in pillar.

Further, in the structure pillar erection device of the present invention, the means for suspending the erection pillar horizontally and the end which should be the upper end of the erection pillar are located above the pillar on the lower floor. The means for connecting to the point, the means for lowering the hanging means of the built-in pillar to vertically level the built-in pillar, and the vertical built-in pillar together with the hanging means, the vertical built-in pillar is It consists of means for lowering it until it reaches the pillar on the lower floor.

The hanging means for the built-in pillar is two rigid members having one end connected to at least two points spaced apart in the lengthwise direction of the built-in pillar and the other end connected to the hook of the crane. .

Rigid connecting members are connected between the positions near the other ends of the two rigid members.

The suspending means for the built-in pillar is two ropes, one end of which is connected to at least two points spaced apart in the lengthwise direction of the built-in pillar, and the other end of which is connected to the hook of the crane.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

In the present invention, as shown in FIG. 1, the hook block 7 is suspended by the wire 6 of the crane 2. Further, one and the other rod-shaped arms 8 having rigidity
a and 8b, a swinging means 10 in which the upper ends of the arms 8a and 8b are rotatably supported at pivot points 9, respectively, and the arm 8a for keeping the arms 8a and 8b open at a predetermined angle. And a turnbuckle 8b of which the length is freely adjustable, which is inserted between the positions near the upper end of 8b, forms a column erection device 12, which is attached to the lower part of the hook block 7.

Further, as shown in FIGS. 1 to 3, a new pillar 3 is horizontally arranged on the ground, and the eyepiece 13 is fixed to the side surface of the upper part at the time of construction, and is attached to the eyepiece 13. A mounting member 15 is connected through a bolt 14, and a lower end of one arm 8a of the pillar erection device 12 is rotatably supported by the mounting member 15 through a pin 16.

Also, an eyepiece 17 is attached to the side surface of the lower part when the eyepiece 17 is installed.
The lower end of the other arm 8b is rotatably supported by a shackle or the like.

Further, one ends of the two wires 18 are respectively connected to two side surfaces of a portion which becomes an upper end at the time of installation,
The crane 2 raises the new column 3 near the building position while keeping the new column 3 substantially horizontal.

The opening angle between the arms 8a and 8b is adjusted to a desired value by the turnbuckle 11.

When the new pillar 3 is lifted to the vicinity of the building position, the upper portion of the new pillar 3 is the upper portion of the existing pillar 4 on the lower floor by the crane 2 as shown in FIG. The new pillar 3 is swung so as to come close to the chain block 5 provided on the uppermost frame 1 of the above, and the hook of the chain block 5 is connected to the upper end of the new pillar 3 in advance. Hook the other end of the wire 18.

Next, when the wire 6 of the crane 2 is extended and the new column 3 is lowered downward, the column erection device 12 is moved by the turning means 1 due to the wire 18.
When the wire 6 of the crane 2 is released from the tension, the new pillar 3 is suspended only by the wire 18 as shown in FIG. Therefore, the lowering of the wire 6 of the crane 2 is stopped at this point.

Thereafter, only the lower end of the other arm 8b is removed from the eyepiece 17, and the crane 2 is used to wire the lower ends of the arms 8a and 8b to the horizontal position as shown by the chain double-dashed line in FIG. 6 is wound up, and when this state is reached, the mounting bracket 15 pivotally supporting the end portion of the one arm 8a is removed from the new column 3, and the installation device 12 for the column from the new column 3 is removed. Complete the removal.

After the removal of the pillar building device 12 is completed, the chain block 5 is lowered to move the existing pillar 4 into place.
A new pillar 3 is built on the top and fixed by welding or the like.

A chain having no rigidity may be used as the arms 8a and 8b.

[0024]

As described above, according to the present invention, unlike the conventional method, it is possible to eliminate the work of adjusting the working length of the chain block and the work of adjusting the crane wire, so that the working time can be shortened. In addition, it is possible to prevent the diagonal hanging by the wire of the crane even when the new pillar is made vertical or when the pillar erection device is removed from the new pillar. Have a profit

[Brief description of drawings]

FIG. 1 is a perspective view for explaining an apparatus for constructing a pillar of a structure according to the present invention.

FIG. 2 is a perspective view showing details of an arm attachment fitting in the apparatus for constructing a pillar of a structure of the present invention.

FIG. 3 is an explanatory diagram of a method of constructing a pillar of a structure of the present invention.

FIG. 4 is an explanatory view of a method of removing the building device for the pillar of the structure of the present invention.

FIG. 5 is an explanatory view of a conventional method of constructing a pillar of a structure.

[Explanation of symbols]

 1 Top floor frame 2 Crane 3 New column 4 Existing column 5 Chain block 6 Wire 7 Hook block 8a One arm 8b The other arm 9 Pivot point 10 Turning means 11 Turnbuckle 12 Column building device 13 Eyepiece 14 Mounting bolt 15 Mounting bracket 16 Pin 17 Eyepiece 18 Wire

Claims (6)

[Claims] 1. A process of vertically raising a built-in pillar to a vicinity of the built-in position through a hoisting means, and an end which should be an upper end of the built-in pillar is located above a pillar on a lower floor. The step of connecting, the step of rotating the built-in pillars to make them vertical, the step of lowering the vertical built-in pillars to the pillars on the lower floor, and fixing the built-in pillars to the pillars on the lower floor A method of erection of a pillar of a structure, which comprises the step of: 2. The building of a pillar of a structure according to claim 1, further comprising a step of removing the hoisting means from the built-up pillar after vertically aligning the built-up pillar and using it for hoisting the built-up pillar thereafter. Method. 3. A means for suspending a built-in pillar horizontally, a means for connecting an end, which should be the upper end of the built-in pillar, to a point located above the pillar on the lower floor, and a means for connecting the built-in pillar. It comprises means for lowering the hanging means to normalize the built-in pillars, and means for lowering the vertical built-in pillars together with the hanging means until the vertical built-in pillars reach the pillars on the lower floor. A device for constructing a pillar of a structure, which is characterized in that 4. The two rigid members, wherein the suspension means for the built-in pillar has one end connected to at least two points spaced apart in the longitudinal direction of the built-in pillar and the other end connected to a hook of a crane. The construction device for a pillar of a structure according to claim 3, wherein 5. The rigid connecting member connects adjacent positions of the other ends of the two rigid members with each other.
A device for building a pillar of the described structure. 6. The rope for suspending the built-in pillar comprises two ropes, one end of which is connected to at least two points spaced apart in the lengthwise direction of the built-in pillar, and the other end of which is connected to a hook of a crane. An apparatus for constructing a pillar of a structure according to claim 3.