JP2589455B2 - Scaffold assembly method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffold assembly method for assembling a scaffold around a building such as a building, a dam, a tank, a monument, a structure such as a side wall of a road, or an object such as a tree. is there.

[0002]

2. Description of the Related Art Conventional scaffold assembly methods of this type include:
A plurality of building frames are piled up while merely assembling in order from the bottom, and when the building frames are stacked, the stacked building frames and the wall surfaces are sequentially connected by wall connecting members.

[0003]

By the way, in the case of the assembling method as described above, the building frame on the stacked building frame must be assembled, and this assembling work is assembled. , The work became difficult, and the work took time, resulting in poor workability. In addition, since the work is performed at a high place, there is always a danger, and it is not always a good method from the viewpoint of safety and surrounding environment.

Accordingly, an object of the present invention is to solve the above-mentioned conventional problems, and to provide a scaffold assembling method which can be easily performed, can be assembled in a short time, and has high safety.

[0005]

Means for Solving the Problems In order to achieve the above object, a scaffold assembling method of the present invention is to assemble a scaffold along a wall surface of a building when performing repair work or the like on the wall surface of the building. The first building frame, which is formed into a three-dimensional shape of a frame-shaped frame by a rod material such as a pipe, is lifted by an operating member to form a space below the first building frame installed along the wall surface of the building, and then the space is formed in the space. The second building frame is installed, and then the first building frame that has been lifted is lowered by the operating member and placed on the second building frame, and both building frames are joined by the connecting member. A first wall connecting engagement member slidably engaged with the frame is provided on the wall surface of the building, and then the first and second building frames are slid along the first wall connecting engagement member. After raising with the operating member to form a space below, a third building frame is set in the space, and then the first and second building frames lifted are formed. The second Kenwaku first lowered has a member 3
The two building frames are mounted on the building frame and connected by a connecting member, and a second wall connecting engaging member slidably engaged with the first and second building frames is provided on the wall surface of the building. Thereafter, a plurality of building frames are assembled in order from the bottom to the required height by the same procedure.

[0006] After the space is formed, it is preferable to assemble the building frame in the space. Further, the building frame is preferably lifted or lowered by operating members installed on both sides thereof.
Further, it is preferable that the operating member is a scaffold lifter that moves up and down along a support member installed on the movable cart. further,
Preferably, the scaffold lifter is capable of falling with respect to the support member, and the support member is capable of falling with respect to the movable trolley, and is rotatable around its axis.

[0007]

According to the above-described assembling method, the assembling work is always performed at the lowest position, and the work place is always located near the ground, so that the workability is improved. In addition, since the work is not performed at a high place, the work safety is also increased.

[0008]

FIG. 1 is a front view of a scaffold lifter device directly used in a scaffold assembling method according to an embodiment of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a state in which a support member of FIG. FIG.

Reference numeral 1 denotes a scaffold lifter device, which comprises a movable carriage 3 having running wheels 2, a side gate-shaped support member 5 erected through a rotating platform 4 rotatably mounted on the carriage, and It has a scaffold lifter 6 that can move up and down along the support member, and a winch 7 that moves up and down the lifter. The winch 7 is attached to the lower end of the support member 5. A wire 8 for raising and lowering the lifter 6 with the winch 7 is wound around a lower pulley 9 and an upper pulley 10 attached to the support member 5, one end of which is attached to the winch 7 and the other end of which is attached to the lifter 6. I have. The lifter 6 is slidably provided along a pair of mounting rods 13 which are attached to the wire 8 via attachments 12 on both sides of the supporting member 5 so as to extend along the mounting rods. On the other hand, it is possible to fall. The lower end of the support member 5 is pivotally supported by a pin 15 at the upper end of the turntable 4 so that the support member 5 can fall on the movable carriage 3 with the pin as a fulcrum. Reference numeral 17 denotes a holding rod for holding the support member 5 in an upright state. One end is detachably attached to the attachment piece 19 of the support member 5 by a pin 18 and the other end is attached to and detached from the attachment piece 21 of the carriage 3 by a pin 20. Installed. Reference numeral 22 denotes a carriage 3 stopper.

Next, a method of assembling a scaffold using the scaffold lifter device 1 will be described with reference to FIG.
First, the building frame 25a is placed at the position where the scaffold is assembled on the wall A of the building.
Is installed. At the time of installation of this building frame 25a, although not particularly shown as is generally known, a blackout and a jack are arranged on a base, and a plurality of frameworks 26 are arranged on the base at intervals. Attach braces 27 between the frameworks 26. Thereafter, the arm lock is applied, the steel cloth plate 28 is erected on the framework 26, and the stair frame is applied. An engaging rod 30 engageable with a later-described wall connecting engaging tool is attached to the wall A side of the building frame 25a by a connecting tool 31.
After the installation of the building frame 25a, the scaffold lifter device 1 is installed on both sides of the building frame 25a by fixing the cart 3 with the stoppers 22, and the lifter 6 is mounted.
In a state in which the upper part of the framework 26 of the building frame can be supported (FIG. 4).

Next, the lifter 6 is raised along the support member 5 by the winch 7 to raise the building frame 25a, and a space 33 is formed below the building frame 25a so as to be able to install the next building frame 25b (FIG. 5). ). Then, in this empty space 33, the building frame 25b is assembled in the same manner as the building frame 25a (FIG. 6). This frame 25
In each case b, the framework 26 and the like are assembled and installed in the vacant space 33, but may be assembled in advance and carried to the assembly position. The assembled structure of the building frame 25b is the building frame 25a.
Is the same as After the assembly is completed, the building frame 25a is
Then, the lifter 6 is lowered and lowered, and is set on the building frame 25b. At the time of this installation, the lower end opening of the framework 26 of the building frame 25a is fitted to the connection joint 35 attached to the upper end opening of the framework 26 of the building frame 25b as shown in FIG. After the engagement, an arm lock 36 is further locked between the two, and the two are connected. In addition, a wall-connecting engagement tool 37 that slidably engages with the engagement rod 30 of the building frame 25a is attached to the wall A (FIG. 7). As shown in FIG. 14, this engaging member 37 has a fixed piece 38 whose base end is screwed to the wall A, and a pair of rotatably mounted to the distal end of the fixed piece so as to sandwich the engaging rod 30 from both sides. Roller 39.

Next, the lifter 6 is lowered by the winch 7, and the lifter 6 is lowered between the two frames 25a and 25b and passed therethrough, and the lifter 6 is moved to the frame 26 of the frame 25b.
Is set in a state where it can be supported (FIGS. 8 and 9).

Next, in the same manner as described above, the lifter 6 is lifted by the winch 7 to lift the building frames 25a and 25b, and a space 40 (a space 33) large enough to install the next building frame 25c thereunder.
(Same as above) (FIG. 10). Then, in this empty space 40, the building frame 25c is assembled (FIG. 11). This building frame 25c may be assembled in advance in the same manner as the building frame 25b, and may be carried to the assembly position and installed. After the assembly is completed, the building frame 25a,
The lifter 6 is lowered by the winch 7 to lower the lifter 6b, and the lifter 25b is set on the building frame 25c and connected with the arm lock 42, and is slidably engaged with the engaging rod 30 of the building frame 25a. The engaging tool 43 is attached to the wall A almost directly above the wall connecting engaging tool 37 (FIG. 12).

A plurality of building frames 25a, 25b, 25c... Are assembled in order from the bottom to the required height by the same procedure, and a scaffold 50 as in the case of this example is assembled.

FIG. 15 shows different uses of the scaffold lifter device 1. That is, when it is necessary to assemble a plurality of scaffolds 50 and 60 adjacent to each other along the wall A of the building, when assembling one scaffold 50 indicated by a solid line is completed and then assembling the other scaffold 60 indicated by a chain line , The scaffold lifter device 1 is once extracted from one scaffold 50 and the holding rod 17 is removed.
After the other end of the support member 5 is detached from the mounting piece 21 of
Is rotated 180 ° via the rotary table 4 to attach the other end of the holding rod 17 to the mounting piece 23 on the opposite side of the carriage 3. As a result, the lifter 6 also faces the other scaffold 60, and can be used for the assembling work of the scaffold without a large movement simply by being inserted into the other scaffold 60 as it is.

[0016] Even if the scaffold lifter device 1 must be moved, if the support member 5 is laid down as shown in FIG. 3, the lifter device 1 as a whole is as shown in FIG. For example, the framework of the building frame 25a
Since the height is such that it can pass through the lower space of 26, by passing through this lower space, the scaffold can be used for assembling work without a large movement.

In the above example, the lifter device 1 and the lifter 6 installed therein are merely preferred examples, and it goes without saying that other effective operating members are not excluded. Further, the present invention can be variously modified within the scope of the first aspect, such as not necessarily requiring one pair.

[0018]

As described above, according to the present invention, the first building frame formed along the wall surface of the building, which is formed into a three-dimensional shape by the rods such as pipes, is lifted by the operating member, and is lowered. After forming the empty space, a second building frame is set in the empty space, and then the first building frame lifted is lowered by the operating member and the second building frame is lowered.
The first and second building frames are mounted on the building frame by connecting the two building frames with the connecting member, and the first wall connecting engaging member slidably engaged with the first and second building frames is provided on the wall surface of the building. Then, after the first and second building frames are slid along the first wall connecting engaging member and lifted by the operating member to form a space below, the third building frame is installed in the space. Then, the lifted first and second building frames are lowered by the operating member, the second building frame is placed on the third building frame, and both building frames are connected by the connecting member. A second wall connecting engaging member slidably engaged with the second building frame is provided on the wall surface of the building, and thereafter a plurality of building frames are sequentially assembled from the bottom to a required height by a similar procedure. , There is no need to assemble the building frame on top of the traditionally stacked building frame,
The work is easy and can be assembled in a short time, and the workability is extremely improved. Further, since the work is always at the lowermost position of the scaffold, there is an excellent effect that there is no danger and the work is safe.

[Brief description of the drawings]

FIG. 1 is a front view of a scaffold lifter device directly used in a scaffold assembling method according to an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a front view showing a state where the support member of FIG. 1 is laid down.

4 (A) is a front view, and FIG. 4 (B) is a side view.

5 (A) is a front view and FIG. 5 (B) is a side view.

6 (A) is a front view and FIG. 6 (B) is a side view.

7 (A) is a front view and FIG. 7 (B) is a side view.

8 (A) is a front view and FIG. 8 (B) is a side view.

9 (A) is a front view and FIG. 9 (B) is a side view.

FIGS. 10A and 10B are operation explanatory views, in which FIG. 10A is a front view and FIG. 10B is a side view.

11 (A) is a front view and FIG. 11 (B) is a side view.

12 (A) is a front view and FIG. 12 (B) is a side view.

FIG. 13 is an exploded perspective view of a main part showing a connection structure between building frames.

FIG. 14 is an enlarged cross-sectional plan view of an engagement rod and an engagement member for wall connection.

FIG. 15 is a front view showing a different use example of the scaffold lifter device.

FIG. 16 is a side view showing still another usage example of the scaffold lifter device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Scaffold lifter device 5 Support member 6 Lifter (operating member) 7 Winch 25a, 25b, 25c Construction frame 26 Frame 30 Engagement rod 33 Vacancy 35 Connection joint 36, 42 Arm lock (coupling member) 37, 43 Fittings (engagement members for wall connection)

Claims (5)

(57) [Claims] 1. A scaffold is assembled along the periphery of an object. The first scaffold is formed in a three-dimensional shape of a frame-shaped frame by a rod material such as a pipe and installed along a wall surface of a building. After raising with the operating member to form a space below, a second building frame is set in the space, and then the lifted first building frame is lowered by the operating member and placed on the second building frame. And the first and second building frames are slidably engaged with the first and second building frames and provided on the wall surface of the building. After the second building frame is slid along the first wall connecting engagement member and lifted by the operating member to form a space below, the third building frame is set in the space, and then lifted. The first and second frames are lowered by the operating member, the second frame is placed on the third frame, and both frames are joined by the joining member. A second wall connecting engaging member that slidably engages with the building frame is provided on the wall surface of the building, and a plurality of building frames are sequentially assembled from the bottom to the required height by the same procedure. And scaffold assembly method. 2. The scaffold assembling method according to claim 1, wherein after forming the space, the building frame is assembled in the space. 3. The scaffold assembling method according to claim 1, wherein the building frame is lifted or lowered by operating members provided on both sides thereof. 4. The scaffold assembling method according to claim 3, wherein the operating member is a scaffold lifter that moves up and down along a support member installed on the movable trolley. 5. The scaffold lifter is capable of falling with respect to a supporting member, and the supporting member is capable of falling with respect to a movable trolley, and is rotatable around its axis. 4. The scaffold assembling method according to 4.