JP3492940B2 - Elevating hanging frame - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension frame that can be lifted and lowered along the outside of a tower, and in particular, a frame that is configured to extend and retract so as to surround the tower is provided so as to be lifted and lowered along the outside of the tower. It is about hanging frames.

[0002]

2. Description of the Related Art When painting or repairing tall structures such as steel towers, work scaffolds and protective nets must be installed to prevent paint from splashing around and to ensure work safety. I'm working. For example, as shown in FIG. 12, a frame (40), scaffolding and stairs (41) are provided around the steel tower (20) from the base, and a protective net (42) is attached so as to surround the steel tower (20) as a whole. Was working. In addition, suspension scaffolds are used for inspection and maintenance work of tall structures such as buildings.

[0003]

However, the conventional method shown in FIG.
The whole of the steel tower (20) as shown in Fig.
The ones enclosed in are time-consuming and labor-consuming for their installation work,
There was a problem that it was costly. Gondolas (suspension scaffolds) are used for window cleaning of tall structures such as buildings, but this is not something that surrounds the tower, but it also has a slope like a tower. It was difficult to move up and down at a predetermined interval at all positions surrounding the circumference and having a slope.

[0004]

According to the present invention, in a suspension frame which can be raised and lowered along the outside of a tower, the frame connects between the pillar member provided with wheels located outside the tower and each of the pillar members. The first connecting member for connecting the pillar members is configured to surround the tower by the first connecting member and the second connecting member, and one end of the first connecting member is rotatably attached to the lower end of the pillar member. Two first connecting members slidably provided on the upper ends of the column members arranged next to each other are connected to each other so as to be able to extend and contract, and the second connecting members connect the column members. The connecting member extends and contracts by crossing two second connecting members, one end of which is rotatable to the upper end of the pillar member and the other end of which is slidably provided on the lower end of the adjacent pillar member. The first connecting member is slidably connected. Are those that secure the wire to one end are a hanging frame elevatable along the outside of the tower, characterized by that the wire pressed against the wheels to the column and suspended.

Further, according to the present invention, in a hanging frame which can be lifted and lowered along the outside of a tower, the frame is a first connecting member for connecting between a pillar member provided on the outside of the tower and each pillar member. The first connecting member for connecting between the pillar members is configured so as to surround the tower by the member and the second connecting member, and one end of the first connecting member is rotatable with respect to the lower end portion of the pillar member and the other end is adjacent to the other. The two first connecting members slidably provided on the upper ends of the arranged column members are connected so as to be able to extend and contract, and the second connecting members connecting between the column members are: Two second connecting members, which are slidably provided at one end rotatably to the upper end of the pillar member and at the other end slidably at the lower end of the adjacently disposed pillar member, are crossed and extendably connected. The first connecting member and / or the second connecting member can slide. Are those that attach the spring on one end that is connected to a vertically movable lifting frame along the outside of the tower, characterized in that so that pressing the wheel to the column by a spring. The suspension frame of the present invention has a protective net attached to surround the tower. Further, the suspension frame of the present invention has a work scaffold attached thereto.

[0006]

According to the present invention, the column member provided with the wheels and the suspension frame configured to surround the tower by the first connecting member and the second connecting member connecting between the column members connect between the column members. One end of the first connecting member is rotatably connected to the pillar member, and the other end of the first connecting member is slidably connected to the adjacent pillar member so as to extend and contract. The second connecting member for connecting the two is also rotatably connected by crossing two slidably provided one ends of the second connecting member to the pillar member and the other end of the second connecting member so as to be slidable. A wire is attached to one end of the connecting member that is slidably connected, and the wire is hung to press the wheel against the tower. Alternatively, the first connecting member and / or
Alternatively, a spring is attached to one end of the second connecting member that is slidably connected, and the wheel is pressed against the tower by the spring. In this way, the suspension wire is attached to the first connecting member, or the spring is attached to the end portion of the first connecting member and / or the second connecting member so that the wheels are pressed against the tower so that the suspension frame is It is possible to move up and down while keeping a constant space outside.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The suspension frame of the present invention can be elevated and lowered outside a tower or the like, which is a high structure, at a constant interval, and specifically, each of the main columns of a steel tower. And a pillar member provided with a wheel in contact with the outside of the pillar member, and the pillar member are connected to each other by expanding and contracting the first connecting member, and the other connecting members are expanded and contracted to each other by connecting a second connecting member. , It is configured to surround the steel tower, so that the wheels are pressed against the main pillar of the steel tower. As a result, the frame can be suspended by wires and raised, lowered, or stopped outside the tower at a constant interval.

The hanging frame of the present invention is used for painting by attaching a protective net to prevent the paint from scattering around. Further, a work scaffolding such as footboards and handrails is attached to the frame and used for work such as painting and repairing a steel tower. For example, in a steel tower, the distance between the main pillars is wide at the base and narrow at the upper part, and becomes narrower toward the top, but even in such a case, the wheels are pressed against the main pillar of the tower. It is possible to maintain a constant interval outside the steel tower, and it is possible to perform work such as painting and repair safely and efficiently with a high structure such as a steel tower. Further, the frame of the present invention is composed of a pillar member, a first connecting member, and a second connecting member, and the first connecting member and the second connecting member which are slidably connected to the respective pillar members are removed. leave,
It can be disassembled into a pillar member and two connecting members rotatably provided on the pillar member, so that it can be easily transported and can be easily assembled.

[0009]

[Embodiment 1] A first embodiment of the present invention will be described with reference to FIGS.
Will be described with reference to. First, the suspension frame is shown in FIGS.
Shown in. 1 is a perspective view of the suspension frame of the first embodiment, FIG. 2 is a plan view of the suspension frame of FIG. 1, FIG. 3 is a side view of the suspension frame of FIG. 1 viewed from the direction of arrow A, and FIG. It is the side view seen from the arrow B direction of the frame. As shown in FIGS. 1 and 2, the frame (1) includes four pillar members (2
a) (2b) (2c) (2d) and the first connecting member (3
a) (3b) (3c) (3d) and the second connecting member (4
a) (4b) (4c) (4d).
The pillar member (2a) of the frame (1) is the main pillar (21) of the steel tower.
a) located outside of a), and the pillar member (2b) is a main pillar (21).
outside of b), the pillar member (2c) is outside of the main pillar (21c),
The pillar member (2d) is located outside the main pillar (21d), and the wheel (7) causes the frame (1) to move up and down outside the tower. Wheels (7) are pillar members (2a) (2b) (2c)
It is provided on the support member (6) of (2d). This wheel (7) is preferably a groove corresponding to the corner of the main pillar of the steel tower, for example, a V groove wheel. Further, it is preferable to use the wheel (7) having a diameter that enables smooth lifting up and down even at the joined portion where the main columns of the steel tower are superposed.

The column member of the frame (1) and the first connecting member will be described. The connection between the pillar member (2a) and the pillar member (2b) will be described with reference to FIGS. 1, 2, and 3. The pillar member (2a) and the pillar member (2b) are connected by crossing the first connecting members (3a) and (3b). The first connecting member (3a) is rotatably provided on the lower end of the pillar member (2a) by the shaft (8a),
It is slidably connected to the slide member (11b) at the upper end of the pillar member (2b) arranged next to it. The first connecting member (3b) is rotatably provided on the lower end of the pillar member (2b) by the shaft (8b), and the slide member (11a) on the upper end of the adjacent pillar member (2a). ) Is slidably connected to. Slide member (11a)
Is rotatably provided on the upper end of the pillar member (2a) by the shaft (10a), and the slide member (11b) is rotatably provided on the upper end of the pillar member (2b) by the shaft (10b). Has been.

The pillar member (2c) and the pillar member (2d)
Are connected by crossing the first connecting members (3c) and (3d). The first connecting member (3c) is a pillar member (2c).
Is rotatably provided on the lower end portion of the column member and slidably coupled to a slide member on the upper end portion of the column member (2d) disposed next to the first columnar member (2d).
It is rotatably provided at the lower end of d) and is slidably connected to a slide member at the upper end of a column member (2c) arranged next to it. In this way, the connected column members (2a) and (2b) and the opposed column members (2a)
c) and (2d) have the same structure, and are configured to be expandable and contractable by a connecting member which connects and connects the pillar members.

Next, referring to FIGS. 1, 2 and 4, the pillar member (2
The connection between b) and the pillar member (2c) will be described. Pillar member (2
b) and the pillar member (2c) are the second connecting member (4b) and (4).
It is connected by crossing c). Second connecting member (4
b) is rotatably provided on the upper end of the pillar member (2b) by a shaft (9b), and slidably connected to a slide member (13c) at the lower end of the pillar member (2c) arranged next to the pillar member (2b). Has been done. The second connecting member (4c) is rotatably provided on the upper end of the pillar member (2c) by the shaft (9c), and the slide member (13) on the lower end of the adjacent pillar member (2b).
It is slidably connected to b). The slide member (13b) is rotatably provided on the lower end of the pillar member (2b) by a shaft (12b), and the slide member (13c) is
The column member (2c) is rotatably provided on the lower end of the column member (2c) by a shaft (12c).

The pillar member (2d) and the pillar member (2a)
Also, the second connecting members (4d) and (4a) are crossed and connected. The second connecting member (4d) is a pillar member (2d).
Is rotatably provided on the upper end of the column member and is slidably connected to a slide member at the lower end of the column member (2a) disposed next to the second columnar member (2a).
It is rotatably provided on the upper end of a) and is slidably connected to a slide member at the lower end of a column member (2d) arranged next to it. In this way, the column members (2b) and (2c) that are connected to each other and the column members (2 that face each other)
d) and (2a) have the same structure, and are configured to be expandable and contractable by the other connecting member that connects the pillar members by crossing them.

Further, the first column members are connected so as to cross each other.
The connecting members (3a) and (3b) are provided with a guide (5),
First connecting member (3c) and (3d), second connecting member (4
It is preferable that the guides (5) are similarly provided on the c) and (4b) and the second connecting members (4d) and (4a) so that they can be smoothly expanded and contracted. The first connecting members (3a) to (3d) are pillar members (2a) to (2), respectively.
d) is slidably connected to the upper end portion thereof, and the second connecting members (4a) to (4d) are respectively connected to the column members (2a) to (4a).
It is slidably connected to the lower end of (2d), which is the first connecting member (3a) to (3d), the second
This is a preferable arrangement because the connecting members (4a) to (4d) do not interfere with each other when sliding. However, the arrangement is not limited to this.

Next, suspension of the frame with a wire will be described with reference to FIGS. 1, 3 and 4. Frame (1)
Are suspended on wires (23) (24). The wire (23) is branched into the wires (25a) and (25b),
The wire (25a) is connected to the end portion (27) of the first connecting member (3a).
It is attached to a). The wire (25b) is attached to the end (27b) of the first connecting member (3b). The wire (24) is branched into wires (26c) and (26d), and the wire (26c) is attached to the end portion (27c) of the first connecting member (3c). The wire (26d) is attached to the end portion (27d) of the first connecting member (3d).

The frame (1) has a protective net (33).
Is installed. As shown in FIGS. 1 and 3, the protective net (33) is suspended from the support wire (30) by a suspender (31). The support wire (30) is stretched over the pillar member (2a) and the pillar member (2b). Support wire (3
A spring (32) is connected to 0) so that the support wire (30) can be pulled in accordance with the distance between the expanding and contracting pillar members (2a) and (2b).

Further, as shown in FIGS. 1 and 4, the wire (30) is also stretched over the pillar member (2b) and the pillar member (2c). Four
A supporting wire (30) is hung between the pillar members (2a) (2b) (2c) (2d) of the book, and a protective net (33) is attached so as to surround the steel tower (20). For example, the paint is prevented from scattering during the painting work. Further, the supporting wire (30) is hung over the upper end portion and the lower end portion of each pillar member, so that the protective net (33) to which the supporting wire (30) is attached is not shaken by the wind so that it does not serve the role of protection. It is preferable not to have

Regarding the operation of the suspension frame, FIG.
This will be described with reference to FIG. 5 is a front view showing a suspension frame attached to a steel tower, and FIG. 6 is a side view of FIG. 7 and 8 are diagrams for explaining the operation of the suspension frame. FIGS. 5 and 6 show the frame (1) shown by a solid line below and the frame (1) shown by a chain line above, and the frame (1) at the solid line position from below is shown by the wire (23) ( 24) is driven to raise the frame (1) to the upper chain line position along the outside of the tower, and the frame (1) located above the chain line position is connected to the wire (23).
(25) is driven to lower the frame (1) to the lower solid line position. Further, it is stopped at an appropriate position when rising and lowering.

As shown in FIG. 5, the frame (1) has a pillar member (2a) and a main pillar (2) outside the main pillar (21a) of the steel tower.
1b) is located outside the pillar member (2b), and the pillar members (2a) and (2b) cross the first connecting member (3).
(a) and (3b) are configured to be expandable and contractible (details will be described with reference to FIGS. 1 and 3). Further, as shown in FIG. 6, the pillar member (2b) and the main pillar (21b) are provided outside the main pillar (21b) of the steel tower.
The column member (2c) on the outer side of c) is configured to be expandable and contractable by the crossing second connecting members (4b) and (4c) (details will be described with reference to FIGS. 1 and 4). As described above, the frame (1) includes four pillar members (2a) to (2d) as first connecting members (3a) to (3d) and second connecting members (4a) to (4a).
(4d) is configured to surround the steel tower (20) in a stretchable manner, and the pillar members (2a) (2b) to
Wheels (7) provided on (2d) are used for steel tower (20)
It goes up and down along the outside of the main columns (21a) to (21d).

Further, as shown in FIGS. 5 and 6, the frame (1) has an end portion (27) of the first connecting members (3a) (3b).
a) (27b), which are connected and suspended by wires (25a) and (25b) branched from the wire (23), and opposite ends (27c) and (2c) of the first connecting members (3c) and (3d).
7d) is a wire (26) branched from the wire (24).
c) Suspended by being connected to (26d). (Although not shown in FIG. 5 about the first connecting members (3c) and (3d), it is the same as the first connecting members (3a) and (3b), and the details are shown in FIG. The wires (23) (24) that suspend the frame (1) are
A drive unit installed near the tower, for example, a manual winch driven by a wire (35), a pulley (53), and pulleys (50) (51) (52) above the tower (20). is there.

The frame (1) moves up and down along the outside of the steel tower by the suspended wires (23) and (24), and its operation is shown in FIGS. 7 and 8. The frame (1) in FIG. 7 is at the lower solid line position shown in FIGS. 5 and 6, and the frame (1) in FIG. 8 is at the upper chain line position. As shown in FIG. 7, the first pillar member (2a) and the pillar member (2b) of the frame (1) are crossed and connected to each other.
The connecting members (3a) and (3b) are connected and suspended by wires (25a) and (25b) branched from the wire (23). The wire (23) is connected to the drive unit, and a force in the direction of arrow x acts between the frames (1). This is due to the weight of the frame (1), and the wire (23) is driven and hoisted to apply a force to the wire (23) in the direction of arrow x. When a force is applied to the wire (23) in the direction of arrow x,
A force in the arrow y direction is applied to the first connecting members (3a) (3b) connected to the branched wires (25a) (25b).

In addition, the pillar members (2a) and (2b) connected by crossing the first connecting members (3a) and (3b) and the facing pillar members (2c) and (2d) have the same structure. The first connecting member (3a) (3b), like the first
The connecting members (3c) and (3d) are connected and suspended by wires (26c) and (26d) branched from the wire (24),
The wire (24) is connected to the drive unit, and a force in the direction of arrow x acts between the frames (1). This is due to the weight of the frame (1), and the wire (24) is driven and lifted to apply a force in the direction of the arrow x to the wire (24). When a force in the arrow x direction is applied to the wire (24), a force in the arrow y direction is applied to the connecting members (3c) (3d) connected to the branched wires (26c) (26d). The pillar members (2a) and (2b) connecting the first connecting members (3a) and (3b) will be described below. The pillar members (2c) connecting the first connecting members (3c) and (3d) will be described below. ) (2d) operates similarly.

The first connecting member (3a) is a pillar member (2a).
Is rotatably provided at the lower end of the column member, slidably connected to the upper end of the column member (2b), and the first connecting member (3).
b) is rotatably provided at the lower end of the pillar member (2b) and slidably connected to the upper end of the pillar member (2a), so that the first connecting members (3a) and (3b) have arrows. When a force in the y direction is applied, the pillar member (2a) is pressed against the main pillar (21a), and the pillar member (2b) is pressed against the main pillar (21b). Thus, the wire (23) will have an arrow x
A force in the direction y is applied to the first connecting members (3a) and (3b), and a force in the direction of the arrow y acts on the first connecting members (3a) and (3b).
b) is pushed towards the main pillar of the tower, the wheels (7) are always
It is pressed against the main pillar. The wheel (7) is preferably a wheel having a groove corresponding to the corner of the main pillar, for example, a V groove.

The wire (23) is driven to drive the frame (1)
As shown in FIG. 8, when the steel tower is lifted up, the main pillar of the steel tower is inclined and becomes thinner as it goes upward, but the force in the arrow x direction and the first connecting member (3a) (3b) work. Arrow y
By the force in the direction, the column member (2a) and the column member (2b) are pressed in the direction of the main column of the steel tower by the force in the direction of narrowing, and the wheel (7) is pressed against the main column (21a) (21b). Will be done. The frame (1) is hung up by driving the wire (23), and the distance between the pillar members (2a) and (2b) is narrowed corresponding to the narrowed distance between the main pillars, and along the outside of the steel tower. To rise.

When lowering the frame (1), the wire (23) is driven so as to be loosened. When the wire (23) is loosened, the frame (1) descends by its own weight or by hanging the wire on the frame (1) and pulling it downward. At that time, a force is applied to the wire (23) in the direction of the arrow x, and the first connecting member (3a) (3b) is applied.
The force in the arrow y direction acts on the column member, the column member (2a) and the column member (2b) are pushed toward the main column of the steel tower, and the wheel (7) is pressed against the main columns (21a) and (21b). .

The frame (1) has its own weight or a wire is hung on the frame (1) and pulled downward, so that the wire (23) has a force in the direction of the arrow x, and the first connecting members (3a) (3b). ) Holds the force applied in the direction of the arrow y. In the steel tower, the main pillars are inclined and the distance between the main pillars becomes wider as it goes downward, but due to the force in the arrow x direction and the force in the arrow y direction acting on the first connecting members (3a) (3b), The pillar member (2a) and the pillar member (2b) are pushed in the direction of the main pillar of the steel tower, while the wheels (7) are pressed against the main pillars (21a) and (21b), the self-weight of the frame (1). By the descending force such as, the gap between the pillar member (2a) and the pillar member (2b) is widened corresponding to the widening distance between the main pillars, and the pillar members (2a) and (b) descend along the outside of the steel tower.

Further, when the frame (1) is stopped at a desired position, a force is applied to the wire (23) in the direction of arrow x, and a force in the direction of arrow y acts on the connecting members (3a) and (3b). , The pillar member (2a) and the pillar member (2b) are pushed in the direction of the main pillar of the steel tower, and the wheel (7) is moved to the main pillar (21a) (21).
It will stop while being pressed against b).

A pillar member (2b) constituting the frame (1)
And the pillar member (2c), as shown in FIGS. 1, 2 and 4,
The second connecting members (4b) and (4c) are crossed and connected. The pillar member (2d) and the pillar member (2a) are connected by crossing the other second connecting members (4d) and (4a). Second connecting member (4b) (4c) and second
Although the connecting members (4d) and (4a) are not connected to the wire to be hung and the force in the arrow y direction is not applied, the first connecting members (3a) (3b) and (3c) (3d ) Is pushed by the force in the direction of the arrow y and the pillar members (2a) to (2d) are pushed in the direction of the main pillars of the steel tower to correspond to the intervals of the main pillars that are inclined, and thus the pillar members (2a) to (2d) are expandable and contractible. Second connecting member (4
b) (4c) and (4d) (4a), the pillar member (2
The distance between b) and the pillar member (2c), and the distance between the pillar member (2d) and the pillar member (2a) also corresponds to the distance between the main pillars, and the frame (1) has a constant distance around the steel tower (20). It keeps and surrounds.

[0029]

[Embodiment 2] FIG. 9 and FIG. 1 for the second embodiment of the present invention.
This will be described with reference to 0. 9 and 10 are diagrams illustrating another operation of the suspension frame. In the said 1st Example, the 1st connection member (3a) (3b) and (3c).
(3d) is connected to a wire for suspension, and a force in the arrow y direction is generated by the force in the arrow x direction, but the second embodiment applies a force in the y direction by a spring. Is.

FIG. 9 shows the pillar member (2a) of the frame (1).
And the pillar member (2b) are the first connecting members (3a) and (3b).
It shows that they are connected by crossing.
The connecting member (3a) is rotatably provided at the lower end of the pillar member (2a), and is slidably connected to the upper end of the adjacent pillar member (2b). The first connecting member (3b) is rotatably provided at the lower end of the pillar member (2b) and is slidably connected to the upper end of the pillar member (2a). The first connecting members (3a) and (3b) are provided with springs (46) at their ends that are slidably connected,
A force is applied in the direction of arrow y. The frame (1) is suspended by a wire (45), and is driven to raise and lower the outside of the steel tower.

FIG. 10 shows a column member (2b) and a column member (2
c) shows that the second connecting members (4b) and (4c) are crossed and connected, and the second connecting member (4)
b) is rotatably provided on the upper end of the pillar member (2b), and is slidably connected to the lower end of the adjacent pillar member (2c). The second connecting member (4c)
Is rotatably provided at the upper end of the pillar member (2c) and is slidably connected to the lower end of the pillar member (2b). The second connecting members (4b) and (4c) are provided with springs (47) at their ends that are slidably connected, and apply a force in the direction of arrow y.

The frame (1) has four pillar members (2a) (2) as in the case of FIG. 1 described in the first embodiment.
b) (2c) (2d) and the first connecting members (3a) (3
b) (3c) (3d) and second connecting members (4a) (4
b) (4c) and (4d), the pillar member (2a) is located outside the main pillar (21a) of the steel tower, and the pillar member (2b) is the main pillar (21b). Outside,
The pillar member (2c) is located outside the main pillar (21c), and the pillar member (2c).
d) is located outside the main pillar (21d), and the frame (1) moves up and down outside the steel tower by wheels (7).

The first connecting member (3) connecting the pillar member (2a) and the pillar member (2b) of the frame (1) so as to cross each other.
Since a) and (3b) are pressed in the direction of the arrow y by the spring (46) as shown in FIG. 9, they are pushed in the direction of the main pillar of the tower, and the wheels (7) are moved to the main pillar (21a). It is in a state of being pressed against (21b). Also, although not shown,
The first connecting member that connects the opposing pillar members (2c) and (2d) by crossing them is also pressed by the spring in the direction of the arrow y, so that it is pushed in the direction of the main pillar of the tower. Thus, the wheel (7) is in a state of being pressed against the main pillar.

The second connecting member (4) connecting the pillar member (2b) and the pillar member (2c) of the frame (1) so as to cross each other.
b) and (4c) have springs (47) as shown in FIG.
Since a force is applied in the direction of the arrow y at, the wheel (7) is pressed against the main pillars (21b) and (21c) by being pushed toward the main pillar of the steel tower. Although not shown, the second connecting member, which connects the column members (2d) and (2a) facing each other by crossing them, is also similarly shown by the arrow y by a spring.
Since the force is applied in the direction, the wheel (7) is pushed in the direction of the main pillar of the steel tower and is pressed against the main pillar.

In this way, by applying a force in the direction of arrow y with a spring to the first connecting member and the second connecting member which cross and connect the pillar members, the pillar members (2a) to (2d) are made to be towers. The wheel (7) is always pressed against the main pillar by being pushed in the direction of the main pillar, and when the frame (1) is driven by the wire (45) to move up and down, the pillar member (2).
Wheels (7) provided on a) to (2d) move up and down along the outside of the main columns (21a) to (21d) of the steel tower (20). 9 and 10, springs are provided on the first connecting member and the second connecting member, but springs are provided only on the first connecting member to apply a force in the arrow y direction,
You may make it expand-contract by following the space | interval of the pillar member connected by the connection member. Alternatively, a spring may be provided only on the second connecting member to apply a force in the direction of the arrow y so as to expand and contract by following the distance between the pillar members connected by the first connecting member.

[0036]

Third Embodiment A third embodiment of the present invention is shown in FIG. FIG. 11 is a plan view of the frame, showing a work scaffold attached to the frame. The frame (1) has four pillar members (2a) (2
b) (2c) (2d) and the first connecting members (3a) (3
b) (3c) (3d) and second connecting members (4a) (4
b) (4c) and (4d), the pillar member (2a) is located outside the main pillar (21a) of the steel tower, and the pillar member (2b) is the main pillar (21b). Outside,
The pillar member (2c) is located outside the main pillar (21c), and the pillar member (2c).
d) is located outside the main pillar (21d), and the frame (1) moves up and down outside the steel tower by wheels (7).

The frame (1) shown in FIG. 11 is provided with projecting members (38) on the pillar members (2a) to (2d), and a plate material (39) is laid over it to form a work scaffold. is there. Since the distance between the pillar members varies depending on the expandable joint member, the plate member (39) to be placed on the overhang member (38) is
It is a bridge that is not fixed. Frame (1)
The column members (2a) to (2d) are expanded and contracted in accordance with the inclination of the steel tower as described in Examples 1 and 2, and surround the steel tower at a constant interval. Such a pillar member (2
Since the scaffolds provided in a) to (2d) also maintain a constant space around the steel tower, the work is easy.
The distance between the frame (1) and the steel tower can be adjusted by a support member (6) provided with wheels (7) on each pillar member. Although not shown, a handrail may be attached.

[0038]

As described above, according to the suspension frame of the present invention, it is possible to ascend and descend outside the tower at a constant interval, and a protective net is attached so that the paint does not scatter around. Can be painted like this,
Further, the work scaffold can be attached, and the work can be performed efficiently and safely at a high place.

[Brief description of drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention.

FIG. 2 is a diagram showing a first embodiment of the present invention.

FIG. 3 is a diagram showing a first embodiment of the present invention.

FIG. 4 is a diagram showing a first embodiment of the present invention.

FIG. 5 is a diagram for explaining the operation of the first embodiment of the present invention.

FIG. 6 is a diagram for explaining the operation of the first embodiment of the present invention.

FIG. 7 is a diagram for explaining the operation of the first embodiment of the present invention.

FIG. 8 is a diagram for explaining the operation of the first embodiment of the present invention.

FIG. 9 is a diagram showing a second embodiment of the present invention.

FIG. 10 is a diagram showing a second embodiment of the present invention.

FIG. 11 is a diagram showing a third embodiment of the present invention.

FIG. 12 is a diagram showing a conventional technique.

[Explanation of symbols]

1. flame 2a-2d. Pillar member 3a-3d. First connecting member 4a-4d. Second connecting member 7. Wheel 21a-21d. Main tower pillar

Front Page Continuation (72) Inventor Yuji Kurokawa 3-4-5 Toyosu, Koto-ku, Tokyo Inside Tomoeken Co., Ltd. (72) Inventor Tetsuji Koike 3-4-5 Toyosu, Koto-ku, Tokyo Inside Tomoeken Co., Ltd. (72) Inventor Takayuki Ishii, 3-4-5 Toyosu, Koto-ku, Tokyo Within Tomoeken Co., Ltd. (72) Inventor Hiroshi Yamada 3-4,5-5 Toyosu, Koto-ku, Tokyo Incorporated Tomoeken (72) Invention Takashi Shimanuki 3-4-5 Toyosu, Koto-ku, Tokyo Tomoeken Co., Ltd. (56) References JP 10-88786 (JP, A) JP 8-232465 (JP, A) (58) Survey Areas (Int.Cl. ⁷ , DB name) E04G 3/00 E04H 12/10

Claims (4)

(57) [Claims] 1. A suspension frame that can be lifted and lowered along the outside of a tower. The frame includes a pillar member provided outside the tower and a first connecting member and a second connecting member that connect between the pillar members. The first connecting member for connecting the pillar members is configured to surround the tower by the connecting member, and one end of the first connecting member is rotatably attached to the lower end of the pillar member, and the other end of the first connecting member is arranged adjacently. Two first slidably provided on the upper end of the pillar member
The second connecting member, which connects the pillar members to each other so as to expand and contract, is rotatably connected at one end to the upper end of the pillar member, and the other end is arranged next to it. Two second slidably mounted on the lower end of the pillar member
A connecting member is crossed and connected in an extendable manner, and a wire is attached to one end of the first connecting member that is slidably connected. The wire is suspended and the wheel is attached to the tower. A hanging frame that can be raised and lowered along the outside of the tower, which is characterized by being pressed against. 2. A suspension frame which can be raised and lowered along the outside of a tower, wherein the frame includes a pillar member provided outside the tower and a first connecting member and a second connecting member for connecting between the pillar members. The first connecting member for connecting the pillar members is configured to surround the tower by the connecting member, and one end of the first connecting member is rotatably attached to the lower end of the pillar member, and the other end of the first connecting member is arranged adjacently. Two first slidably provided on the upper end of the pillar member
The second connecting member, which connects the pillar members to each other so as to expand and contract, is rotatably connected at one end to the upper end of the pillar member, and the other end is arranged next to it. Two second slidably mounted on the lower end of the pillar member
A connecting member is crossed to be expandably and contractably connected, and a spring is attached to one end of the first connecting member and / or the second connecting member that is slidably connected. A suspension frame capable of moving up and down along the outside of a tower, characterized in that the wheels are pressed against the. 3. A suspension frame capable of moving up and down along the outside of the tower according to claim 1, wherein a protective net is attached to the frame so as to surround the tower. 4. The suspension frame which can be lifted and lowered along the outside of the tower according to claim 1, wherein a working scaffold is attached to the frame.