JPH05209472A - Assembling of tower structure and lifting scaffold device for the assembling - Google Patents

Abstract

PURPOSE:To safely and efficiently carry out the assembling work of a tower structure. CONSTITUTION:After the first column member 6 is erected, a wire rope 18 for moving up and down of a working floor suspended from the front end of the first column member 6 is wound on a winch 19 of the working floor 20. After operators have boarded the working floor, the winch 19 is driven to lift the working floor 20 along the first column member 6. Next, the working floor 20 is connected to the front end of the first column member 6 by a fixture 21 of the working floor to force the base end of the second column member 7 to contact the front end of the first column member 6. The jointing work of the column members 6, 7 is carried out by use of the working floor 20. Moreover, the wire rope 18 for moving up and down of the working floor suspended from the front end of the second column member 7 is wound on the winch 19 and then the connection of the working floor 20 with a fixture is released by the fixture of the working floor 21. The winch 19 is driven to lift up the working floor 20 along the second column member 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for assembling a tower-like structure and a lifting scaffolding device used in the method.

[0002]

2. Description of the Related Art A conventional assembling procedure of a tower-like structure such as a three-dimensional parking apparatus will be described with reference to FIGS.

In the figure, 1 is a foundation surface (ground) on which a tower-shaped structure is to be constructed, 2 is a foundation bolt pre-implanted on the foundation surface 1, 3
Is a set of four columns made of H-shaped steel, 4 is a bracket fixed to two adjacent surfaces of the column 3 at a predetermined interval, and 5 is a column 3
Is a step for raising and lowering, which is fixed at a predetermined interval on the surface to which the bracket 4 is not fixed, and the pillar 3 includes, for example, the first pillar part material 6, the second pillar part material 7, the second pillar part material 7 from the base end side. It is divided into three sections of three pillar parts 8.

A base plate 9 having a bolt hole (not shown) which can be fitted into the base bolt 2 is fixed to the base end portion of the first pillar portion member 6.

When the tower structure is assembled, the first pillar 3
The tip portion of the pillar portion material 6 is locked to the hook 12 of the crane 11 by the wire rope 10 to suspend the first pillar portion material 6 substantially vertically, and then the crane 11 is operated to pierce the base plate 9. By fitting the provided bolt hole (not shown) to the base bolt 2, and abutting it on the base surface 1 of the lower surface of the base plate 9 and screwing a nut (not shown) on the base bolt 2, After fixing the base end portion of the first pillar portion material 6 to the foundation surface 1, the first by the wire rope 10
The locking of the tip portion of the column member 6 is released (see FIG. 8).

When the four first pillar portion members 6 are fixed to the base surface 1, they extend substantially horizontally to one of the mutually opposed brackets 4 fixed to the adjacent first pillar portion members 6. Beam 1
3, one end of the beam 13 and the other end of the beam 13 are bolted to each other, and the upper end of the reinforcing member 15 extending obliquely downward from above is attached to the bracket 14 fixed to the middle portion in the longitudinal direction of the beam 13. Further, the lower ends of the reinforcing members 15 are bolted to the brackets 14 (see FIG. 9).

When the adjacent first pillar members 6 are connected by the beams 13 and the reinforcing members 15, the second section of the pillar 3 is moved by the crane 11 as in the case of suspending the first pillar members 6. By suspending the portion 7 in a substantially vertical direction and operating the crane 11, the base end portion of the second pillar portion member 7 is attached to the tip end portion of the first pillar portion member 6 and the second pillar portion member 7 is moved. The first pillar member 6 is contacted so as to be coaxial with the first pillar member 6 and
The lower half portion of the gusset plate 16 is bolted to the tip of the pillar portion member 6, and the upper half portion of the gusset plate 16 is bolted to the base end portion of the second pillar member 7.

When the four second pillar portion members 7 are connected to the first pillar portion member 6, the adjacent second pillar portion members 7 are connected to each other in the same manner as the first pillar portion member 6 described above. Similarly to connecting the second pillar portion member 7 to the first pillar portion member 6 after connecting the beam 13 and the reinforcing member 15, the second pillar portion member 7 has a third pillar 3 The column-shaped structure is completed by connecting the base end portions of the pillar portion members 8 and further connecting the adjacent third pillar portion members 8 by the beams 13 and the reinforcing members 15.

[0009]

In the assembling work of the tower-like structure described above, the beam 13, the bracket 4, and the reinforcing material 15 are provided.
When connecting the brackets 4, 14, the first pillar portion material 6, the second pillar portion material 7, the third pillar portion material 8 and the gusset plate 16 to each other, the worker works in step 5. I had to climb to a position.

As described above, since the connecting work is performed at a high place where the feet are unstable, the tower structure cannot be efficiently assembled, and when the worker moves up and down the step 5. There was a risk of stepping on my feet and falling.

The present invention solves the above problems, and an object of the present invention is to safely and efficiently assemble a tower structure.

[0012]

A method for assembling a tower structure according to claim 1 of the present invention is a tower structure having a plurality of pillars formed by connecting a plurality of pillar parts. In the assembling method, a wire rope for lifting a workbench of a predetermined length is connected to a tip end portion of the first pillar portion material via a workbench suspension fitting,
The tip of the first pillar part was hung by a crane via a connector that can be opened by remote control, and the base end of the first pillar part was fixed to the foundation surface on which the tower structure was to be constructed. In addition, the connection between the first pillar portion material and the crane is released by the connecting tool, and a workbench having the same number of hoisting machines as the pillars is arranged between the first pillar portion material, and each hoisting machine is provided with The work bench elevating wire rope hanging down from the tip of the first pillar portion material is wound around, and the hoisting machine is driven to raise the work bench to the vicinity of the tip portion of the first pillar portion material, After suspending the workbench lifting fixture on the workbench suspension fitting at the tip of the first pillar member, remove the wire rope for raising and lowering the workbench from the hoisting machine, and suspend the workbench at the tip of the second pillar member. A workbench lift wire rope of a specified length is connected via a metal fitting to remotely control the tip of the second pillar member. And a base end portion of the second pillar portion material is brought into contact with the tip end portion of the first pillar portion material through a connecting tool that can be opened to open the first pillar portion from above the workbench. Material and the second pillar part material is connected, and the workbench lifting wire rope hanging from the tip of the second pillar part material is wound around the hoisting machine and the workbench and work are performed by the workbench holder. The workbench is lifted to the vicinity of the tip of the second pillar part material by releasing the connection with the platform hanging metal fitting and driving the hoisting machine, and then the above procedure is repeated to remove the plurality of pillar part materials. Connect from bottom to top.

According to a second aspect of the present invention, there is provided a method for assembling a tower structure, wherein a column formed by connecting a plurality of column parts is
In the method of assembling a tower-shaped structure having a plurality of tower-shaped structures, a wire rope for raising and lowering a workbench of a predetermined length is connected to the tip end portion of the first pillar part material through a workbench hanging metal fitting to form a first pillar part. The tip end of the material is hung by a crane via a connector that can be opened by remote control, and the base end of the first pillar part material is fixed to the foundation surface on which the tower-shaped structure is to be constructed, and then the connector. The connection between the first pillar part material and the crane is released, and a work platform having the same number of hoisting machines as the pillars is arranged between the first pillar part materials, and the first pillar part material is attached to each hoisting machine. A wire rope for raising and lowering a workbench hanging from the tip of the workbench is wound around the workbench, and the hoisting machine is driven to raise the workbench to the vicinity of the tip of the first pillar member, and the tip of the second pillar member. The workbench lifting wire rope of a predetermined length is connected to the section via the workbench suspension fitting, and the second pillar part material is connected. The tip end is hung from a crane via a connector that can be opened by remote control, and the base end of the second pillar part is brought into contact with the tip end of the first pillar part to bring it from the workbench. The work of connecting the first pillar part material and the second pillar part material is performed, and the work table is hung from the work table hanging metal fitting at the tip of the first pillar part material by the work table holder, and then the work described above is performed. Remove the platform lifting wire rope from the hoisting machine, hang the workbench lifting wire rope hanging from the tip of the second pillar part material on the hoisting machine, and workbench and workbench hanging bracket with the workbench holder. The workbench is lifted to the vicinity of the tip of the second pillar portion material by driving the hoisting machine after disconnecting the connection with the plurality of pillar portion materials. Sequentially connect to.

The lifting scaffolding device used in the method for assembling a tower-like structure according to claim 3 of the present invention is connected to a workbench suspending metal which can be connected to the tip end of a pillar part and each workbench hanging metal. A workbench lifting wire rope, a workbench having the same number of hoisting machines as the columns formed by the pillar parts, and a workbench holder capable of connecting the workbench with the workbench suspension fitting. Prepare

[0015]

In the method for assembling the tower-like structure according to the first aspect of the present invention, after the first pillar portion material is erected, the work platform is lifted down from the tip of the first pillar portion material. The wire rope is wound around the hoisting machine of the work table, and after the operator gets on the work table, the hoisting machine is driven to raise the work table along the first pillar portion material.

Next, the workbench is first moved by the workbench holder.
The workbench is connected to the workbench suspension fitting at the tip end of the column part material to hold the workbench, and the base end part of the second pillar part material is brought into contact with the tip end part of the first pillar part material by The work of connecting the second pillar portion material to the first pillar portion material is performed from the work bench.

Further, a wire rope for raising and lowering the workbench hanging from the tip portion of the second pillar part material is wound around the hoisting machine of the workbench, and the workbench and the workbench hanging metal fitting by the workbench holder are connected. The connection is released, and the hoisting machine is driven to raise the work table along the second pillar member.

In the method for assembling a tower-like structure according to a second aspect of the present invention, after the first pillar portion material is erected, the work platform is lifted down from the tip end portion of the first pillar portion material. The wire rope is wound around the hoisting machine of the work table, and after the operator gets on the work table, the hoisting machine is driven to raise the work table along the first pillar portion material.

Then, the base end portion of the second pillar portion member is brought into contact with the tip end portion of the first pillar portion member by the crane,
The work of connecting the second pillar portion material to the pillar portion material is performed on the workbench.

Further, the workbench is connected to the workbench suspension fitting at the tip of the first pillar part by means of a workbench holding fitting to hold the workbench, and the workbench hanging from the tip of the second pillar part. After the hoisting wire rope is wound around the hoist, the workbench holder is disconnected from the workbench and the workbench suspension fitting, and the hoist is driven to move the workbench to the second pillar portion. Raise along the material.

As described above, according to the present invention, a worker who assembles the tower-like structure can perform the connecting work of the respective members while being on the workbench.

[0022]

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

1 to 7 show an embodiment of the present invention,
In the figure, the parts denoted by the same reference numerals as those in FIGS. 8 and 9 represent the same things.

1 to 4, 6 and 7, the structure of an example of a lifting scaffolding device used in the method of assembling a tower-like structure will be described. Two
Of the scaffolding part material 7 and the third scaffolding part material 8, workbench hanging metal fittings 17, workbench lifting wire ropes 18 connectable to the respective workbench hanging metal fittings 17, and each of the pillar parts The same number of hoisting machines 19 as the columns 3 formed by the materials 6, 7, and 8
And a workbench holder 21 capable of connecting the workbench 20 and the workbench suspension bracket 17 to each other.

The workbench hanging metal fitting 17 includes a fitting portion 22 which can be externally fitted to the ears of the H-shaped column portion members 6, 7, and 8, and a support portion 23 extending laterally from the fitting portion 22. In the fitting portion 22, a bolt 25 having a diameter substantially the same as that of the bolt hole 24 formed in the tip portion of each pillar portion member 6, 7, 8 is provided in the fitting portion 2.
3 can be screwed through (see FIGS. 2 and 3).
Etc.).

One end of each workbench lifting wire rope 18 is formed so as to be connectable to the support portion 23 of the workbench lifting metal fitting 17 via a shackle 26, and the length of each workbench lifting wire rope 18 is increased. Vary depending on the pillar parts 6, 7, and 8 to which the work table lifting wire ropes 18 are connected via the work table suspension fittings 17.

That is, the length of the workbench lifting wire rope 18 connected to the first pillar portion material is longer than the entire length of the first pillar portion material 6, and the second pillar portion material 7 has the same length. The length of the workbench lifting wire rope 18 to be connected is longer than the total of the total lengths of the first pillar portion material 6 and the second pillar portion material 7,
Further, the length of the workbench raising / lowering wire rope 18 connected to the third pillar portion material 8 is equal to the total length of the first pillar portion material 6, the second pillar portion material 7, and the third pillar portion material 8. It is longer than the total.

The workbench 20 has a substantially rectangular frame shape when viewed from above, and its inside and outer edges have a safety fence 2 for preventing falling.
7 is installed, and a hoisting machine 19 is installed in an equipment box 28 attached to the lower surface of each corner of the workbench 20 (see FIG. 1, etc.).

The worktables 20 are two device boxes 2 each.
It is composed of a work floor 29 having 8 and a work floor 30 connecting the respective elevating parts 29, and can be disassembled and stored when not in operation.

Further, a base end portion of a workbench holder 21 made of a cord-shaped body such as a wire rope having a predetermined length can be connected to the upper surface of each corner of the workbench 20, and The tip of the workbench holder 21 can be connected to the workbench suspension fitting 17 via a shackle 50 (FIG. 1, FIG.
(See FIG. 7).

The hoisting machine 19 has a groove 31 extending in the circumferential direction on the outer peripheral surface thereof, and an internal gear 33 supported by a casing 32 so as to be rotatable about a horizontal axis, and the internal gear 3
3 is connected to the casing 32 such that one end thereof is located substantially above the internal gear 33 and the other end is located substantially below the internal gear 33. The roller chain 35 is connected to the upper end of the pivotally supported link 34 (see FIG. 4).

The lower end of the link 34 is connected to the upper end of a connecting fitting 37 supported by the bottom plate 36 of the equipment box 28.

The internal gear 33 has a gear portion 3
The intermediate gear 39 is supported so as to mesh with the gear 8, and the internal gear 33 is rotated by driving a small gear 40 meshing with the intermediate gear 39 by a driving device (not shown). ..

In the hoisting machine 19, the lifting wire rope 18 hung from a predetermined position is inserted into the groove 31 of the internal gear 33.
When the connection bracket 37 is pulled downward due to the weight of the work table 20 when the roller chain 35 is wound from the end side connected to the link 34 toward the end side connected to the casing 32. The roller chain 35 presses the lifting wire rope 18 against the internal gear 33, and the hoisting machine 19 grips the lifting wire rope 18 by the frictional force acting between the lifting wire rope 18 and the internal gear 33. It is like this.

The hoisting machine 19 is a wire rope 1 for raising and lowering.
When the internal gear 33 is rotated in a state in which 8 is gripped, the internal gear 33 is raised or lowered along the lifting wire rope 18.

Further, in FIG. 3, reference numeral 41 denotes a shackle (connector) which can be opened for remote control.

The structure of the shackle 41 will be described with reference to FIG. 5. The shackle 41 includes a shackle body 43 having a forked portion 42 at the lower portion, and a set pin 44 extending through the forked portion 42 and extending in the lateral direction. A guide tube 45 attached to one outer surface of the bifurcated portion 42 so that the set pin 44 can retract, and the set pin 4
The lock pin extending in the up-down direction inserted into the guide cylinder 45 so that it can be fitted into the notch 46 formed in the set pin 44 when 4 is inserted into the bifurcated portion 42 (set state). 47, a set pin opening rope 48 that penetrates the end of the guide cylinder 45 on the side opposite to the forked portion 42 and has one end locked to the set pin 44, and one end locked to the upper end of the lock pin 47. The lock pin opening rope 49 is provided, and a rigid stainless steel rope is used for each opening.

The shackle 41 described above includes the set pin 4
When the lock pin 47 is inserted with 4 set, the lower end of the lock pin 47 fits into the notch 46 and the set pin 44 does not move laterally (locked state).

When the shackle 41 is released, pulling the lock pin releasing rope 49 raises the lock pin 47, and then pulling the set pin releasing rope 48 moves the set pin 44 laterally. It is designed to come out of the forked portion 42.

An example of a method of assembling the tower-shaped structure will be described below.

When assembling the tower-like structure, the workbench lifting metal fittings 17 are attached to the tips of the respective pillar parts 6, and the workbench lifting wire ropes 18 of a predetermined length are attached to the respective workbench lifting metal fittings 17. The shackle 41 is connected to the hook of the crane (see FIGS. 2 and 3).

Next, the shackle 41 is connected to the tip of the first pillar portion material 6, the crane is operated to suspend the first pillar portion material 6, and the base plate 9 is laid on the foundation surface 1 via the foundation bolt 2. Rope 4 for releasing the lock pin after fixing to
9. The connection between the shackle 41 and the first pillar portion member 6 is released by sequentially pulling the set pin releasing rope 48.

In this way, the four first pillar parts 6
If the workbench is fixed to the foundation surface 1, the workbench 20 is arranged between the first pillar part members 6 and the workbench lifting wire ropes 18 hung from the tips of the first pillar part members 6 are wound. The lower end of each workbench lifting wire rope 18 is passed through the outer peripheral surface of the internal gear 33 of the upper machine 19 and the roller chain 35, and the lower end of each workbench lifting wire rope 18 is engaged with the foundation surface 1 via connecting means such as eye bolts and shackles. Stop (see FIGS. 1, 6 and 7).

In this state, the operator gets on the work table 20.

Next, each hoist 19 is driven to drive the workbench 2
0 is raised to a predetermined height, and an operator performs a work of bolting the beam 13 and the reinforcing material 15 hoisted by a crane to the bracket 4 or the like of the first pillar portion material 6 while riding on the work table 20. ..

In the unlikely event that one of the work table lifting wire ropes 18 is damaged during the above work, the hoisting machine 1
When one of the robots 9 cannot grip the workbench lifting wire rope 18, the wire rope 18 is cut or the corner of the workbench 20 where the hoisting machine 19 loses gripping force tilts downward, A wire rope which is hung from the hoisting machine 19 of a corner portion which is diagonally inclined upward with respect to the corner portion and which is to be upwardly hung, and which is locked to the foundation surface 1. 1
By 8, the workbench 20 is prevented from being greatly inclined.

If the workbench 20 rises to the tip of the first pillar portion member 6 while the beam 13 and the reinforcing member 15 are attached, the workbench holder 21 holds the workbench 20 and the first pillar portion. After connecting with the workbench hanging bracket 17 attached to the material 6,
The workbench 20 is slightly lowered, and the weight of the workbench 20 is supported by the workbench suspension fitting 17 via the workbench holder 21 (see FIGS. 2 and 7), and the wire rope 18 is further attached to the hoisting machine 1.
The wire rope 18 taken out from No. 9 is disconnected from the workbench hanging metal fitting 17, and the wire rope 18 is dropped onto the foundation surface 1.

Next, similarly to the case of the first pillar portion material 6, the workbench hanging metal fittings 17 are attached to the tips of the second pillar portion material 7 and the work of a predetermined length is attached to each workbench hanging material 17. Connect the platform lifting wire rope 18 to the crane shackle 41
The tip of the second pillar portion material 7 is connected to the second pillar portion material 7, and the crane is operated to suspend the second pillar portion material 7. The base end portion and the tip end portion of the first pillar portion material 6 are bolted through the gusset plate 16, and the second pillar portion material 7 is bolted to the first pillar portion material 6 and then the shackle. The connection between 41 and the second pillar member 7 is released.

Next, the workbench raising / lowering wire rope 18 hung from the tip of the second column member 7 is wound around the hoisting machine 19 as described above, and the lower end of the wire rope 18 is engaged with the foundation surface 1. Stop and raise the workbench 20 slightly to raise the workbench 2
0 is supported by the workbench lifting wire rope 18, and the connection between the workbench holder 21 and the workbench suspension fitting 17 is released.

Further, the workbench 20 is raised to a predetermined height, and the operator lifts the workbench 20 and the beam 13 and the reinforcing material 15 lifted by the crane are mounted on the bracket 4 of the second pillar portion material 7 and the like. Work to tighten bolts.

While the work of mounting the beam 13 and the reinforcing material 15 is performed, if the work table 20 rises to the tip of the second pillar portion material 7, the first pillar portion material 6 is replaced by the second pillar portion material 6. The procedure of connecting the base end of the third pillar portion material 8 to the tip end of the second pillar portion material 7 and the work connected to the third pillar portion material 8 in the same procedure as when connecting The table raising / lowering wire rope 18 is wound around the hoisting machine 19 to raise the work table 20 along the third pillar portion material 8, and the beam 13 and the reinforcing material 15 are bolted to the third pillar portion material 8. Do the work.

In this way, when the work of assembling the tower-like structure is completed by bolting the pillar members 6, 7, 8 and the beam 13 and the reinforcing member 15, the hoisting machine 19 is driven. The work table 20 is lowered to the foundation surface 1.

At this time, when the wire rope 18 is still connected to the pillar parts 6 and 7, the workbench 20
When is lowered, the workbench suspension fitting 17 and the pillar members 6, 7 are disconnected, and the wire rope 18 is collected on the workbench 20 or dropped onto the foundation surface 1.

The wire rope 18 and the workbench hanging metal fitting 17 connected to the pillar portion material 8 are removed when the scaffolding for outer wall construction is installed after the completion of the tower-shaped structure assembling work.

Further, among the gusset plates 16 for connecting the pillar parts 6 and 7 or the pillar parts 7 and 8, those which cannot be bolted because the workbench hanging bracket 17 is attached, After removing the platform hanging bracket 17, the bolts are fastened.

As described above, in this embodiment, since the worker mounts the beam 13 and the reinforcing member 15 and connects the pillar members 6, 7, 8 while the operator is on the work table 20, It is possible to safely assemble the tower structure.

It should be noted that the present invention is not limited to the above-described embodiment, but after the workbench is raised to the tip of the first pillar portion material, the second pillar portion material is moved to the first pillar portion material. Perform work in such a procedure that the workbench is connected to the workbench suspension fitting at the tip of the first pillar part after connecting to the partial material, and adjust the dimensions of the workbench by inserting the segment. It is needless to say that the structure and the shape of the workbench holder and the workbench suspension fitting are appropriately changed, and other various changes can be made without departing from the scope of the present invention.

[0058]

According to the method of assembling a tower-like structure of the present invention and the lifting scaffolding device used in the method, since the worker can perform the connecting work of each member while the operator is on the workbench, the tower-like structure can be achieved. The excellent effect that the assembling work can be efficiently and safely performed can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view of an example of a lifting scaffolding device used in a method for assembling a tower-like structure according to the present invention.

FIG. 2 is a perspective view showing details of a workbench suspension fitting.

FIG. 3 is a perspective view showing a relationship between a connector that can be opened by remote control and a pillar member.

FIG. 4 is a partial cutaway view showing the structure of the hoisting machine.

FIG. 5 is a partial cutaway view showing an example of a connector that can be opened by remote control.

FIG. 6 is a schematic view showing an example of a method for assembling a tower-shaped structure according to the present invention.

FIG. 7 is a schematic view showing an example of a method for assembling a tower-like structure according to the present invention.

FIG. 8 is a schematic view showing an example of a conventional tower-like structure assembly operation.

FIG. 9 is a schematic view showing an example of a conventional tower-like structure assembly operation.

[Explanation of symbols]

 1 Foundation Surface 3 Pillar 6 First Pillar Part Material 7 Second Pillar Part Material 8 Third Pillar Part Material 17 Workbench Lifting Bracket 18 Workbench Lifting Wire Rope 19 Hoisting Machine 20 Workbench 21 Workbench Holder 41 Shackle (Connector)

Claims (3)

[Claims] 1. A method for assembling a tower-shaped structure having a plurality of pillars formed by connecting a plurality of pillar parts, comprising:
A workbench lifting wire rope of a predetermined length is connected to the tip of the pillar part material of the work piece through a workbench suspension fitting, and a connecting tool that can remotely open the tip part of the first pillar part material is provided. Via the crane to fix the base end of the first pillar part material to the foundation surface on which the tower-like structure is to be constructed, and then release the connection between the first pillar part material and the crane by the connecting tool. The workbench having the same number of hoisting machines as the pillars is arranged between the first pillar parts, and the wire rope for lifting the workbench hanging from the tip of the first pillar part material is arranged on each hoisting machine. By winding and driving the hoisting machine, the workbench is raised to the vicinity of the tip of the first pillar part material, and the workbench is held by the workbench hanging metal fitting at the tip of the first pillar part material. After suspending with the tool, remove the wire rope for raising and lowering the workbench from the hoist, and hang the workbench on the tip of the second pillar part material. A workbench lifting wire rope of a predetermined length is connected via a tool, and the tip of the second pillar member is hung on a crane via a connector that can be opened by remote control. The base end portion of the material is brought into contact with the tip end portion of the first pillar portion material, and the connecting work between the first pillar portion material and the second pillar portion material is performed on the work table, and the second pillar portion is connected. Wrap the workbench lift wire rope hanging from the tip of the part material on the hoisting machine, release the connection between the worktable and the workbench hanging bracket by the workbench holder, and then drive the hoisting machine. The workbench is raised to the vicinity of the tip of the second pillar portion material by the above, and the above procedure is repeated to sequentially connect the plurality of pillar portion materials from the lower side to the upper side. .. 2. A method of assembling a tower-shaped structure having a plurality of pillars formed by connecting a plurality of pillar parts, comprising:
A workbench lifting wire rope of a predetermined length is connected to the tip of the pillar part material of the work piece through a workbench suspension fitting, and a connecting tool that can remotely open the tip part of the first pillar part material is provided. Via the crane, fix the base end of the first pillar part material to the foundation surface on which the tower structure is to be constructed, and then disconnect the first pillar part material from the crane by the connecting tool. , First
The workbench having the same number of hoisting machines as the pillars is arranged between the pillar part materials, and the workbench lifting wire rope hanging from the tip of the first pillar part material is wound around each hoisting machine, By driving the upper machine, the workbench is raised to the vicinity of the tip of the first pillar part material, and the workbench of a predetermined length is lifted to the tip end of the second pillar part material through the workbench suspension fitting. For connecting the wire rope for use, and suspending the tip end of the second pillar portion material on the crane through a connector that can be opened by remote control, and the base end portion of the second pillar portion material to the first pillar portion. The first pillar part material and the second pillar part material are connected from above the work table by bringing the work table into contact with the tip part of the material, and the work table is suspended from the work table at the tip part of the first pillar part material. After hanging on the metal fittings by the workbench holder, remove the workbench lifting wire rope from the hoist and hang it from the tip of the second pillar part material. The workbench lifting wire rope is wound around the hoist, the workbench holding tool releases the connection between the workbench and the workbench hanging metal fitting, and the hoist is driven to move the workbench to the second position. A method for assembling a tower-shaped structure, which comprises raising the pillar portion material to a position near a tip end thereof and repeating the above procedure to sequentially connect a plurality of pillar portion materials from the bottom to the top. 3. A workbench hanging metal fitting that can be connected to a tip portion of a pillar portion material, a workbench lifting wire rope connected to each workbench hanging metal fitting, and the same number of pillars formed by the pillar material. An elevating scaffolding device for use in a method for assembling a tower-like structure, comprising: a workbench having a hoisting machine; and a workbench holder capable of connecting the workbench with the workbench suspension fitting.