JP2016132903A - Simple ladder for inclined wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple ladder for an inclined wall used as scaffolding, which solves the problems that the conventional scaffolding for an inclined wall lacks in operation safety and in versatility for application to inclined walls of various angles.SOLUTION: A simple ladder 1 for an inclined wall includes: juxtaposed ladders; ladder joint members 2a, 2b which join and fix the ladders being placed parallel with an appropriate interval to each other, in at least upper and lower positions thereof; a ladder support member 4 joined to an upper end part of the juxtaposed ladders and engaged to a parapet on a roof of a building; and casters 7, 7a provided on the ladder joint members and the ladder support member so as to enable transverse movement along the inclined wall of the building.SELECTED DRAWING: Figure 1

Description

  When repairing a wall of a building, the present invention can be easily installed on a slant wall and used as a scaffold when the wall is slanted and it is not within the repair range to build a scaffold around the building. It relates to a simple ladder for sloping walls.

  Conventionally, in the repair work of the wall surface of an existing building where there is a sloping wall frame on the top floor of the building, it is common to build a scaffold from the bottom up to the sloping wall portion. Moreover, the prior art document regarding what used the ladder as a scaffold is the following patent document 1.

JP 2008-105458 A

However, in the case of a building having a height up to the slanted portion of the wall surface, if a scaffold is assembled around the building, the cost of materials, assembly work, etc. of the scaffold increases. In addition, if a long handle roller or the like is used from the rooftop, the surface coating level can be achieved, but it is not sufficient for repair work. In some cases, repairs are performed while a person descends from the upper part of the slanted wall in the manner of turning a monkey, but this is a very dangerous work at height, and there is a risk of dropping work tools and materials.
The simplified ladder for a sloping wall according to the present invention has been proposed in order to solve such a problem.

  SUMMARY OF THE INVENTION The gist of the present invention for solving the above-described problems of the simplified ladder for a sloping wall according to the present invention is to connect the ladders arranged side by side with the ladders in parallel at appropriate intervals and to connect and fix them at least at the upper and lower positions. A ladder connecting member, a ladder support member connected to an upper end of the ladder arranged side by side, and locked to a parapet on the roof of the building, the ladder connecting member and the ladder support member, The caster is provided so as to be movable in the lateral direction along the inclined wall.

  It consists of a wire rope provided to connect the ladder support member and a parapet of the building located opposite to the ladder support member to prevent the ladder from falling.

  Further, it is configured to include a fall prevention means which stands on the lower end portion of the ladders arranged side by side and prevents the ladders from falling.

  It is provided in a lower space below the ladders arranged side by side and having no inclined wall, and is composed of a curing net that prevents falling.

  The connecting portion between the ladder and the ladder support member arranged side by side, the ladder comprises rotation means provided so as to be rotatable along the inclined wall with respect to the ladder support member;

  It consists of a support rod that is erected from the ladder support member and that supports the worker when the worker who moves relative to the ladder grasps it by hand.

  The power supply means is composed of a power line and an outlet provided on the side surfaces of the ladders arranged side by side.

  The casters attached to the ladder connecting members on the lower side of the ladders arranged side by side are rotatable around the support shaft, and the casters attached to the ladder support members are fixed so as not to rotate around the support shaft. Is included.

  According to the simplified ladder for a slant wall of the present invention, it becomes a scaffold that can be easily assembled and disassembled. In addition, the material cost of the temporary scaffold and its assembly / disassembly cost can be greatly reduced.

  Since the slant angle of the ladder with respect to the ladder support member can be adjusted, it is possible to flexibly cope with slant walls having different angles. In addition, by providing a fall prevention means and a curing net at the lower part of the ladder, it is possible to prevent a person or an object from falling from a high place, and the safety of work at a high place is improved.

  Furthermore, by setting up the support rod on the ladder support member, the worker entering and exiting the ladder can grasp it, so that the worker can safely enter and exit, and the anxiety of the worker is removed. As a result, safety in high-altitude work is improved.

  By providing the power supply means on the ladder, the convenience when using the electric tool / equipment is improved. Furthermore, by making the caster on the lower side of the ladder freely rotatable and fixing the caster on the ladder support member side without rotating around the axis, there is an excellent effect that the ladder can be smoothly moved laterally. Is.

It is the side view and top view of the use condition of the simple ladder for slant walls concerning the present invention. It is the side view and top view which concern on the other Example of the simple ladder for inclined walls of the same invention. It is a partially expanded perspective view by the side of the ladder in the other Example of the simplified ladder for slant walls. It is a partial expansion perspective view by the side of the ladder support member in the other Example of the simplified ladder for the slant wall. It is a partially expanded perspective view of the state which assembled the ladder and the ladder support member in the other Example of the simplified ladder for the slant wall. It is a partially expanded perspective view which concerns on the further another Example of the simplified ladder for diagonal walls. It is the use condition perspective view which looked at the simple ladder for the slant wall from the diagonal top. It is an upper part partial perspective view of the simplified ladder for diagonal walls.

  As shown in FIG. 1, a simplified ladder 1 for a slant wall according to the present invention includes a ladder support member that is hooked on a parapet on the roof of a building, and a connecting ladder that is connected to the ladder support member and arranged in parallel. Is.

  As shown in FIG. 1, the sloping wall simple ladder 1 includes, for example, commercially available aluminum ladders 1a and 1b, and ladders 1a and 1b arranged in parallel at appropriate intervals so that at least upper and lower The ladder connecting members 2a and 2b made of lightweight steel members that are connected and fixed to each other in position are connected to the upper ends of the ladders 1a and 1b arranged side by side and locked to a parapet (chest wall) 3 on the roof of the building 5 The ladder support member 4 made of a lightweight steel member, the ladder connecting members 2a and 2b, and the ladder support member 4 are provided so as to be movable laterally along the inclined wall 6 of the building 5. The rollable casters 7 and 7a.

  In FIG. 1, a caster 7 a attached to a ladder connecting member 2 b on the lower side of the ladders 1 a and 1 b arranged side by side is rotatable around a support shaft of the caster and is attached to the ladder support member 4. 7 is fixed so as not to rotate around the support shaft of the caster 7.

  Further, as shown in FIG. 2, the ladder support member 4 is connected to the building parapet 3a at a position facing the ladder support member 4 to prevent the ladders 1a and 1b from falling. For example, a wire rope 8 made of steel wire is provided.

  One end of the wire rope 8 is wound around and connected to the leg 4 a of the ladder support member 4, and the other end is connected to the parapet 3 a through the anchor 9. Since the slant wall simple ladder 1 moves along the parapet 3, the anchor 9 is also provided at a plurality of locations along the parapet 3 a as appropriate. By this wire rope 8, the safety of work at a high place by the sloping wall simple ladder 1 is reliably maintained.

  Further, as shown in FIG. 2, as another means for ensuring safety, for example, a fall prevention means is installed at the lower end of the ladders 1a and 1b arranged side by side and prevents the fall from the ladders 1a and 1b. 10 is provided. The fall prevention means 10 is, for example, a protective frame made of a steel casing.

  As another fall prevention means 11, as shown in FIG. 2, a curing net 11 is provided in a lower space below the ladders 1a and 1b arranged side by side and without the inclined wall 6 to prevent the fall. It is to be provided. Such fall prevention means 10 and 11 can prevent an operator or an object from falling from a high place.

  As another example of the sloping wall simple ladder 1, the sloping wall 6 of the building 5 may be arranged in parallel as shown in FIGS. In the connecting portion between the ladders 1 a and 1 b and the ladder support member 4, there is a rotating means 12 provided so that the ladders 1 a and 1 b can rotate along the inclined wall 6 with respect to the ladder support member 4. .

  As shown in FIG. 3A, for example, the rotating means 12 is fixed to the side wall of the ladder 1b by bolts and nuts that are inserted into the fixing holes 12d at a plurality of locations. A rotation guide groove 12b is formed in the rotation plate 12a so as to penetrate the plate in an arc shape. Further, a fixing hole 12c that is penetrated for fixing to the ladder support member 4 with a bolt is formed.

  As shown in FIG. 3B, a locking hole 4b for inserting a bolt and a positioning hole 4c for positioning an angle are formed on the ladder support member 4 side. As shown in FIG. 3C, the rotary plate 12 and the ladder support member 4 are temporarily fixed and positioned by bolts and nuts (not shown), and then fastened and fixed. By the rotation guide groove 12b, the ladders 1a and 1b can be installed in accordance with an arbitrary angle θ of the inclined wall 6 with respect to the ladder support member 4.

  As shown in FIG. 4, a metal, plastic, wooden, which is erected from the ladder support member 4 and supports the posture of the worker by a worker who moves with respect to the ladders 1 a and 1 b by hand. The support rod 13 is provided. If the worker grasps the support bar 13 by hand and the worker enters and exits the ladders 1a and 1b, the worker's body becomes stable and safety during the movement of the worker is ensured.

  Further, as shown in FIG. 4, there is a power supply means 14 composed of a power line 14a and an outlet 14b disposed on the side surfaces of the ladders 1a and 1b provided side by side. With this power supply means 14, when various electric tools and instruments (blowers, drills, nails / driving machines, coating machines, etc.) are used on the ladders 1a, 1b, electrical connection can be immediately made by the workers. This improves work efficiency.

  As described above, by using the slant wall simple ladder 1 according to the present invention shown in FIGS. 5 to 6, the ladders 1a and 1b can be easily assembled on the slant wall 6 at an arbitrary angle to secure a scaffold. can do. The casters 7 and 7a can move laterally on the inclined wall 6, and can continue to the next operation.

  Further, as shown in FIG. 6, the sloping wall simple ladder 1 utilizes the commercially available aluminum ladders 1 a and 1 b to produce the ladder connecting members 2 a and 2 b and the ladder support member 4 with lightweight steel members. Easy assembly in a short time on the roof of building 5. Further, the sloping wall simple ladder 1 can be disassembled and stored compactly and placed on the rooftop.

  According to the simplified ladder 1 for a slant wall according to the present invention, a simple scaffold can be assembled on the roof of a building and can be installed on the slant wall, so that it can be applied to various slant walls.

1 Simple ladder for sloping walls,
1a, 1b ladder,
2a, 2b Ladder connecting member,
3,3a Parapet (chest wall),
4 ladder support members, 4a legs,
4b locking hole, 4c positioning hole,
5 buildings,
6 Bevel wall,
7,7a casters,
8 Wire rope,
9 Anchor,
10 Fall prevention means (housing),
11 Fall prevention means (curing net),
12 rotating means, 12a rotating plate,
12b rotation guide groove, 12c locking hole,
12d fixing hole,
13 Support rod,
14 power supply means,
14a Power line, 14b Outlet.

Claims (8)

Ladder placed side by side,
A ladder connecting member for arranging the ladders in parallel at appropriate intervals and fixing the ladders at least in a vertical position;
A ladder support member connected at the upper end of the ladder arranged side by side and locked to a parapet on the roof of the building,
The ladder connecting member and the ladder supporting member are made of casters provided so as to be movable in a lateral direction along the oblique wall of the building,
A simple ladder for sloping walls. A ladder support member and a wire rope provided to connect the building parapet in a position opposite to the ladder support member to prevent the ladder from falling;
The simplified ladder for a slant wall according to claim 1. It consists of fall prevention means that stands up at the lower end of the ladder placed side by side and prevents fall from the ladder,
The sloping wall simple ladder according to claim 1 or 2, characterized in that. It consists of a curing net that is provided in the lower space below the ladder that is placed side by side and that does not have a sloping wall, and prevents falling.
The simplified ladder for a slant wall according to any one of claims 1 to 3. The connecting portion between the ladder and the ladder support member arranged side by side, the ladder comprises rotation means provided to be rotatable along the slant wall with respect to the ladder support member;
The simple ladder for slant walls according to any one of claims 1 to 4. A support rod which is erected from a ladder support member and is supported by the worker who moves with respect to the ladder by grasping by hand;
The simple ladder for slant walls according to any one of claims 1 to 5. Comprising power supply means composed of power lines and outlets arranged on the side surfaces of the ladders arranged side by side,
The simple ladder for slant walls according to any one of claims 1 to 6. The casters attached to the ladder connecting members on the lower side of the ladders arranged side by side are rotatable around the support shaft, and the casters attached to the ladder support members are fixed so as not to rotate around the support shaft.
The sloping wall simple ladder according to any one of claims 1 to 7.

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