JP2009024406A - Ladder fixing implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ladder fixing implement capable of being carried, mounted and lifted/lowered alone, and capable of being installed even in a narrow installation space. <P>SOLUTION: This ladder fixing implement comprises a ladder holding member 1 which has an opening with inside dimensions as large as/larger than outside dimensions of a ladder and which is a frame material in a rectangular planar shape, and a mounting means for mounting the ladder holding member 1 on a building. In mounting, the ladder 30 is inserted through the opening of the ladder holding member 1, so that the ladder 30 can be held in a vertically erected state. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a jig used by being attached to a building in order to hold a ladder in a vertical direction.

  Conventionally, when installing a ladder when inspecting two or more floors of a two-story house, tilt it at an angle of 70 ° from the horizontal direction, stand the upper part against the roof parapet, and support the lower part with a stabilizer called a stabilizer. Was going up and down. Therefore, a large space for installing ladders was required on the site around the building. In addition, in the case of the third floor, a person who supports the ladder on the ground is necessary for safety, and at least two people are necessary.

  As a means for standing the ladder at approximately 90 ° without requiring such a large space, Patent Document 1 discloses a ladder fixing jig that is used by being attached near the tip of the ladder.

  However, the ladder fixing jig disclosed in Patent Document 1 requires scaffolding poles fixed on both sides of the ladder, which is convenient in an environment where the scaffolding is built like a construction work site. In the case of this building, the installation work of the scaffolding pole is complicated, and transportation of necessary members becomes large.

JP 2003-239667 A

  In urban houses, there are many cases where a house is built just near the site, and the space is only 50 cm as stipulated by the Civil Code, and in most cases the ladder cannot be installed at an angle of 70 °. Therefore, there has been a demand for a means for holding the ladder upright in the vertical direction as much as possible, and further eliminating the need for personnel to support the ladder on the ground and capable of safely raising and lowering alone.

  An object of the present invention is to solve the above problems and provide a ladder fixing jig that can be transported, attached, and lifted by one person and can be installed in a narrow installation space.

The ladder fixing jig of the present invention has a ladder holding member which is a frame member whose inner dimension of the opening is equal to or larger than the outer dimension of the ladder and whose planar shape is a rectangular shape,
The ladder holding member includes attachment means for attaching the ladder to the outer wall of the building through a predetermined gap so that the ladder can be inserted vertically through the opening.

  The ladder fixing jig of the present invention includes the following configuration as a preferred embodiment.

(1) The attachment means is
One end is fixed to the ladder holding member, and an arm member extending in a direction perpendicular to the outer wall of the building,
A wall surface fixing member attached to the other end of the arm member;
Have
The wall fixing material is fixed to the outer wall of the building, and the ladder fixing jig is fixed to the building.

(2) The attachment means is
One end portion is fixed to the ladder holding member, and a connecting material that crosses the wall rising portion of the building and is stretched in the horizontal direction;
An inner wall fixing column suspended from the other end of the connecting member;
An outer wall fixing column suspended from one end of the connecting member or the vicinity of the end; and
An inner wall abutting member attached to the lower end of the inner wall fixing column and capable of adjusting the distance to the inner wall of the wall rising portion;
An outer wall abutting member attached to the lower end of the outer wall fixing column;
Have
The outer wall abutting member is brought into contact with the outer wall of the wall rising portion, the inner wall abutting member is abutted against and pressed against the inner wall by adjusting the distance between the inner wall and the outer wall abutting member and the inner wall abutting member. The ladder fixing jig is fixed to the building by holding the part.

(3) The attachment means is
One end portion is fixed to the ladder holding member, and the connecting material is disposed horizontally across the wall next to the building window,
From the other end of the connecting material, the inner wall fixing column extending in the horizontal direction parallel to the wall surface of the building toward the same side as the ladder holding member,
An inner wall abutting member attached to the free end of the inner wall fixing column and capable of adjusting the distance to the inner wall of the wall next to the window;
One end is fixed to the ladder holding member, the other end has an outer wall contact member, and extends in a direction perpendicular to the wall next to the window,
Have
The outer wall abutting member is brought into contact with the outer wall of the wall beside the window, and the inner wall abutting member is brought into contact with and pressed against the inner wall by adjusting the distance between the inner wall and the inner wall abutting member and the outer wall abutting member. The ladder fixing jig is fixed to the building by sandwiching the horizontal wall.

(4) The attachment means is
A receiving part attached to the ladder holding member so that the ladder holding member can be moved in the horizontal direction;
One end portion is fixed to the receiving portion, and a connecting material that crosses the wall rising portion of the building and extends in the horizontal direction;
An inner wall fixing column suspended from the other end of the connecting member;
An outer wall fixing column suspended from one end of the connecting member or the vicinity of the end; and
An inner wall abutting member attached to the lower end of the inner wall fixing column and capable of adjusting the distance to the inner wall of the wall rising portion;
An outer wall abutting member attached to the lower end of the outer wall fixing column;
Have
An outer wall abutting member is brought into contact with the outer wall of the wall rising portion, the inner wall abutting member is abutted against and pressed against the inner wall by adjusting the distance to the inner wall, and the outer wall abutting member and the outer wall abutting member The ladder fixing jig is fixed to the building by sandwiching the rising portion.

  According to the ladder fixing jig of the present invention, it is possible to safely hold the ladder in a vertical direction with a predetermined distance from the wall surface of the building just by inserting the ladder through the opening of the ladder holding member. Yes, you can move up and down safely alone. Therefore, it is possible to move up and down by installing a ladder alone even in a pinched area where the space from the outer wall of the building is only about 50 cm.

  Further, in the present invention, when a configuration is adopted in which the wall is sandwiched between the outer wall abutting member and the inner wall abutting member, even in a building where a ladder fixing jig is not installed in advance, a wall rising portion of a veranda or a parapet, Alternatively, the ladder fixing jig can be attached using a wall beside the window. Furthermore, even when there is an obstacle such as a bag or a shutter above the attachment location, the ladder can be extended upward by avoiding the obstacle by moving the ladder holding member in the horizontal direction. In addition, the ladder fixing jig can be easily attached and detached, and can be used alone. Therefore, the inspection work for the upper part of the building can be performed alone.

  The ladder fixing jig of the present invention includes a ladder holding member that inserts and holds the ladder, and attachment means for attaching the ladder holding member from the outer wall of the building via a predetermined gap.

  Hereinafter, the ladder fixing jig of the present invention will be described in detail with reference to embodiments.

Embodiment 1
FIG. 1 is a first embodiment of a ladder fixing jig according to the present invention, which is used by being fixed to an outer wall of a building.

  The ladder fixing jig of this example has two sets of arm members 2 and wall surface fixing members 3 as means for attaching the ladder holding member 1.

  The ladder holding member 1 according to the present invention is a frame member having a rectangular planar shape. Also, the inner dimension of the opening is larger than the outer dimension of the ladder, and as shown in FIG. 1, the ladder is placed below the ladder holding member 1 by being attached to the outer wall so as to open in the vertical direction. If the ladder is extended vertically upward and inserted through the opening of the ladder holding member 1, the ladder is held in a standing state. Since the ladder holding member 1 is a frame member, the ladder inserted through the opening of the ladder holding member 1 can be lifted and lowered safely without falling down in any of the left and right and front and rear directions.

  The ladder holding member 1 is preferably made of an aluminum hollow frame because a force from the ladder is not so strong. The inner dimension of the opening may be greater than or equal to the outer dimension of the ladder. However, if the difference between the inner dimension of the opening and the outer dimension of the ladder is too small, it becomes difficult to insert the ladder, and the difference is large. If it is too high, the range of the swing of the ladder will be increased when the elevator is raised and lowered, and it will make the elevator feel uneasy, so it is preferable to set it to an appropriate range. Specifically, the difference between the inner dimension of the opening and the outer dimension of the ladder is preferably about 410 to 440 mm in the direction parallel to the outer wall and about 90 to 120 mm in the vertical direction.

  The ladder holding member 1 according to the present invention is attached to a building through a predetermined gap from the outer wall so that the outer wall does not become an obstacle during the elevation. In this example, the arm material 2 has the gap, one end of the arm material 2 is fixed to the ladder holding member 1, and the wall surface fixing material 3 is attached to the other end. The ladder fixing jig is fixed to the outer wall of the building by fixing the wall surface fixing member 3 to the outer wall. In addition, as a fixing means to the outer wall of the ladder holding member 1, it is not limited to this, For example, you may fix the arm material 2 with the anchor bolt for concrete.

  In the example of FIG. 1, it is used semi-permanently while being fixed to the outer wall of the building. Therefore, if it is installed in advance during construction, it is only necessary to bring the ladder during inspection. Moreover, if the ladder fixing jig of this example is attached at a position away from the window, there is no problem in crime prevention.

[Embodiment 2]
FIG. 2 is a second embodiment of the ladder fixing jig according to the present invention, and is an example in which the ladder fixing jig is used by being attached to a wall rising portion of a veranda or a parapet or a wall under a window.

  The ladder fixing jig of this example includes a connecting member 11, an outer wall fixing column 12a, an inner wall fixing column 12b, contact members 13a and 13b, and an adjuster 14 as attachment means for the ladder holding member 1. Has a set.

  One end of the connecting member 11 is attached to the ladder holding member 1. An inner wall fixing column 12b hangs down from the other end, and an inner wall contact member 13b is attached to the lower end portion of the inner wall fixing column 12b via an adjuster 14. The adjuster 14 is a member including a bolt and a handle, and is screwed into the lower portion of the inner wall fixing column 12b. The distance between the inner wall contact member 13b and the inner wall of the wall rising portion 10 can be adjusted. The outer wall fixing column 12a hangs down from the end of the connecting member 11 on the side where the ladder holding member 1 is attached or in the vicinity thereof, and the outer wall contact member 13a is attached to the lower end of the outer wall fixing column 12a. It has been. The inner wall contact member 13b and the outer wall contact member 13a are provided with an elastic body such as rubber on the side in contact with the wall surface so as not to damage the wall surface.

  In the ladder fixing jig of this example, the connecting member 11 is crossed over the wall rising portion 10 and is horizontally extended, and the position is adjusted back and forth so that the outer wall contact member 13a contacts the outer wall of the wall rising portion 10. Thereafter, the handle 14 is turned to adjust the adjuster 14 so that the inner wall contact member 13b is pressed against the inner wall of the wall rising portion 10, and the wall rising portion 10 is held between the outer wall contact member 13a and the inner wall contact member 13b. To fix the ladder fixing jig to the building.

  Further, the ladder fixing jig of this example can be easily removed by adjusting the adjuster 14 to separate the inner wall contact member 13b from the inner wall of the wall rising portion 10 and pulling up the jig upward.

  Thus, the ladder fixing jig of this example is easy to attach and remove, and can be operated alone.

  As shown in FIG. 2, once the jig is attached to the wall rising portion 10, the ladder is brought below the ladder holding member 1, the ladder is extended vertically upward, and the ladder is placed in the opening of the ladder holding member 1. If it is made to pass through, a ladder will be held in the state where it stood in the perpendicular direction.

[Embodiment 3]
FIG. 3 shows a third embodiment of the ladder fixing jig according to the present invention, which is an example of being used by being attached to a wall beside a window.

  The ladder fixing jig of this example includes two sets of a connecting member 11, an inner wall fixing column 12b, contact members 13a and 13b, an adjuster 14, and an arm member 15.

  The connecting member 11 has the ladder holding member 1 attached to one end. At this time, when the ladder fixing jig of this example is attached to the wall 20 beside the window, the direction of the ladder holding member 1 parallel to the outer wall is arranged so that the ladder holding member 1 is positioned not on the window side but on the wall side. The end portion of the connecting material 11 is attached to one end portion or the vicinity thereof. Further, from the other end of the connecting member 11, an inner wall fixing column 12b extends in the horizontal direction in parallel to the wall surface of the building toward the same side as the ladder holding member 1, and the inner end of the free end is fixed to the free end. A contact member 13 b is attached via an adjuster 14.

  Further, one end of an arm member 15 extending in a direction perpendicular to the wall 20 beside the window is attached to the ladder holding member 1, and the outer wall abutting member 13a is attached to the other end of the arm member 15. Is attached.

  The adjuster 14 and the contact members 13a and 13b according to this example are the same members as those in the second embodiment.

  The ladder fixing jig of this example is arranged in the horizontal direction with the connecting material 11 intersecting the wall 20 beside the window, and the position is adjusted back and forth so that the outer wall contact member 13a contacts the outer wall of the wall rising portion 10. After that, the adjuster 14 is adjusted so that the inner wall contact member 13b is pressed against the inner wall of the window side wall 20, and the window side wall 20 is sandwiched between the outer wall contact member 13a and the inner wall contact member 13b. Fix the ladder fixing jig to the building.

  Also in this example, similarly to the second embodiment, the adjuster 14 is adjusted so that the inner wall contact member 13b is separated from the inner wall of the wall 20 beside the window, and the jig can be easily removed by pulling it out to the window side.

[Embodiment 4]
FIG. 4 shows a fourth embodiment of the ladder fixing jig of the present invention, which can be applied to a wall rising portion of a veranda or a parapet as in the second embodiment, but is advantageous when attached to a wall under a window. This is an example. Therefore, the attachment and removal mechanisms and work procedures are the same as in the second embodiment.

  The difference between this example and the jig of the second embodiment is that, in this example, the ladder holding member 1 is attached to the connecting member 11 via the receiving portion 16.

  The receiving portion 16 according to this example is attached to the ladder holding member 1 so that the ladder holding member 1 can be moved in the horizontal direction. Specifically, in this example, the end of the ladder holding member 1 is connected to the end of the receiving portion 16 via a hinge 17, and the ladder holding member 1 is rotated 180 ° via the hinge 17. By doing so, a state of moving to the side wall 20 side of the window as shown in FIG. 4 and a state of being overlaid on the receiving portion 16 as shown in FIG. 5 can be taken.

  Further, the receiving portion 16 is attached to the connecting member 11, and the jig 21 is fixed by holding the wall 21 under the window between the contact members 13a and 13b, as in the second embodiment.

  As shown in FIGS. 4 and 5, the ladder fixing jig of this example is mainly attached to the wall under the window, but the ladder holding member 1 can be moved in the horizontal direction. Even if there are obstacles such as fences and shutters above the installation location, the ladder installation will not be affected.

  In this example, the ladder holding member 1 is rotated 180 ° by the hinge 17 and moved in the horizontal direction. However, the present invention is not limited to this. The ladder holding member 1 may be configured to be slidable in the horizontal direction.

  FIG. 6 is a view showing a state in which the ladder 30 is inserted into the opening of the ladder holding member 1 of the third embodiment, but the state in which the ladder 30 is inserted is the same in any of the embodiments. According to the present invention, as shown in FIG. 6, since the ladder can be held upright in the vertical direction, the upper part of the building can be inspected using the ladder even in a pinched land. Further, as shown in FIG. 6, the ladder 30 is held by the ladder holding member 1 in the front, rear, left and right sides, and there is no fear of falling in any direction, so that there is no need for personnel to support the ladder 30 during raising and lowering. .

  The present invention is used to hold a ladder when inspecting the outer walls and roofs of two or more floors such as a two-storied house using a ladder.

1 is a perspective view showing a first embodiment of the present invention. It is a perspective view which shows the 2nd Embodiment of this invention. It is a perspective view which shows the 3rd Embodiment of this invention. It is a perspective view which shows the 4th Embodiment of this invention. It is a perspective view which shows the 4th Embodiment of this invention. It is a perspective view which shows the usage pattern of the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ladder holding member 2 Arm material 3 Wall surface fixing material 10 Wall rising part 11 Connecting material 12a Outer wall fixing column 12b Inner wall fixing column 13a Outer wall contact member 13b Inner wall contact member 14 Adjuster 15 Arm material 16 Receiving portion 17 Hinge 20 Window Horizontal wall 21 Wall under window 30 Ladder

Claims (5)

A ladder holding member in which the inner dimension of the opening is equal to or greater than the outer dimension of the ladder, and the planar shape is a rectangular frame member;
A ladder fixing jig, comprising: an attachment means for attaching the ladder holding member to an outer wall of a building through a predetermined gap so that the ladder can be inserted vertically through the opening. The attachment means is
One end is fixed to the ladder holding member, and an arm member extending in a direction perpendicular to the outer wall of the building,
A wall surface fixing member attached to the other end of the arm member;
Have
The ladder fixing jig according to claim 1, wherein the wall fixing member is fixed to an outer wall of the building and the ladder fixing jig is fixed to the building. The attachment means is
One end portion is fixed to the ladder holding member, and a connecting material that crosses the wall rising portion of the building and is stretched in the horizontal direction;
An inner wall fixing column suspended from the other end of the connecting member;
An outer wall fixing column suspended from one end of the connecting member or the vicinity of the end; and
An inner wall abutting member attached to the lower end of the inner wall fixing column and capable of adjusting the distance to the inner wall of the wall rising portion;
An outer wall abutting member attached to the lower end of the outer wall fixing column;
Have
The outer wall abutting member is brought into contact with the outer wall of the wall rising portion, the inner wall abutting member is abutted against and pressed against the inner wall by adjusting the distance between the inner wall and the outer wall abutting member and the inner wall abutting member. The ladder fixing jig according to claim 1, wherein the ladder fixing jig is fixed to a building by sandwiching a portion. The attachment means is
One end portion is fixed to the ladder holding member, and the connecting material is disposed horizontally across the wall next to the building window,
From the other end of the connecting material, the inner wall fixing column extending in the horizontal direction parallel to the wall surface of the building toward the same side as the ladder holding member,
An inner wall abutting member attached to the free end of the inner wall fixing column and capable of adjusting the distance to the inner wall of the wall next to the window;
One end is fixed to the ladder holding member, the other end has an outer wall abutting member, and extends in a direction perpendicular to the wall next to the window,
Have
The outer wall abutting member is brought into contact with the outer wall of the wall beside the window, and the inner wall abutting member is brought into contact with and pressed against the inner wall by adjusting the distance between the inner wall and the inner wall abutting member and the outer wall abutting member. The ladder fixing jig according to claim 1, wherein the ladder fixing jig is fixed to a building by sandwiching a horizontal wall. The attachment means is
A receiving part attached to the ladder holding member so that the ladder holding member can be moved in the horizontal direction;
One end portion is fixed to the receiving portion, and a connecting material that crosses the wall rising portion of the building and extends in the horizontal direction;
An inner wall fixing column suspended from the other end of the connecting member;
An outer wall fixing column suspended from one end of the connecting member or the vicinity of the end; and
An inner wall abutting member attached to the lower end of the inner wall fixing column and capable of adjusting the distance to the inner wall of the wall rising portion;
An outer wall abutting member attached to the lower end of the outer wall fixing column;
Have
An outer wall abutting member is brought into contact with the outer wall of the wall rising portion, the inner wall abutting member is abutted against and pressed against the inner wall by adjusting the distance to the inner wall, and the outer wall abutting member and the outer wall abutting member The ladder fixing jig according to claim 1, wherein the ladder fixing jig is fixed to a building by sandwiching the rising portion.

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