JP2020169459A - Gangway ladder for gondola - Google Patents

Abstract

To provide a gangway ladder for a gondola which suppresses rocking of a gondola during work, facilitates getting on and off of a worker to a veranda, and enhances safety of work.SOLUTION: A rectangular mounting part 7 to be mounted on an upper surface of a handrail wall 5 of a veranda of a building is provided, and a front side step 20 is provided on one side of the mounting part 7 so as to be rotatable in a vertical direction; a rear side step 30 is provided on the other side so as to be rotatable in the vertical direction, and the mounting part 7 is placed on the upper surface of the handrail wall 5; the front side step 20 is arranged inside the handrail wall 5, the rear side step 20 is arranged inside a gondola 1, and holding means for holding an arrangement state of both the steps 20, 30 is provided.SELECTED DRAWING: Figure 5

Description

The present invention relates to a gondola, more specifically, a gondola ramp used for a gondola on which an operator rides to paint a building or the like.

Conventionally, when a gondola is used for repair work such as painting on a middle-high-rise building such as an apartment, the gondola hung by a wire may swing due to wind or the like.

Therefore, as a method of preventing this shaking, conventionally, by fixing a fixing bracket having a clamp portion for gripping the upper end of the handrail wall of the balcony to the gondola, the gondola comes into contact with the outer surface of the handrail wall of the balcony. It is known that it is prevented from swinging in the separation direction (see Patent Document 1).

JP 2001-207638

By the way, when a worker uses a gondola to perform repair work such as painting a building, the worker may move from the gondola to the balcony if the gondola is located on the side of the handrail wall of the balcony.

At this time, in the conventional method of fixing the gondola to the balcony with the fixing bracket, when the worker transfers to the balcony, the worker puts his / her feet directly on the handrail wall of the balcony from the floor surface of the gondola. It is necessary to get over it, and it is difficult for the worker to transfer to the balcony.

Therefore, the present invention has a function of engaging the gondola with the handrail wall of the balcony to suppress the shaking of the gondola and a function of allowing the operator to easily move between the gondola and the balcony for work safety. The purpose is to provide a gondola ramp.

In order to solve the above-mentioned problems, the invention according to claim 1 is used for a gondola that moves up and down along the outer wall surface of a building, and is a square mounted on the upper surface of a handrail wall on the balcony of the building. It has a mounting portion, and a front step for footrest is rotatably connected to one side of the mounting portion so as to be vertically rotatable, and a rear step for footrest is vertically connected to the other side. It is rotatably connected and provided, the front-described resting portion is placed on the upper surface of the handrail wall, the front step is arranged inside the handrail wall, and the rear step can be arranged inside the gondola. Further, it is characterized in that a holding means for holding the arranged state of both steps is provided.

The invention according to claim 2 is the invention according to claim 1, wherein the handrail portion is provided so as to be able to be tilted up and down, and a storage space for accommodating the handrail portion is provided by the tilting of the handrail portion. It is characterized by.

The invention according to claim 3 is the invention according to claim 1 or 2, wherein a holding column is provided on the rear step, a holding cylinder is provided on the holding column so as to be slidable in the axial direction, and the holding cylinder is provided. It is characterized by being fixed inside the gondola.

According to the present invention, the front step of the gondola ramp is arranged on the inner surface of the handrail wall of the balcony, the rear step is arranged inside the gondola, and the handrail wall and the gondola are sandwiched between the two steps. Prevents the gondola from separating from the outer wall surface of the handrail wall of the balcony due to wind, etc., the gondola can be stably held on the work floor, the repair work to the building can be done well, and the worker can work on the balcony and the gondola. It is possible to prevent the gondola from swinging when moving between.

Furthermore, by providing the gondola ramp with a front step and a rear step, when the worker gets over the handrail wall, the worker can easily move up and down, and the step can be performed without directly descending from the upper surface of the handrail wall. It can be used to get off and the risk of falling can be suppressed.

Therefore, it is possible to have both a function of holding the gondola and a function of facilitating the raising and lowering of the operator.

Further, by providing the handrail portion so that it can be raised and lowered, the operator can easily move and the handrail portion can be made compact when not in use.

A side sectional view showing the arrangement state of the gondola ramp of the present invention, the gondola on which the ramp is installed, and the building. A surface view of the gondola ramp of FIG. 1 opened in a flat state. The back view of FIG. A side view of the gondola ramp of FIG. 1 in which both steps are bent and put into use. A perspective view of the gondola ramp in FIG. 4 arranged on the handrail wall of the gondola and the balcony. Side view seen from the left of FIG. FIG. 5 is a perspective view of a state in which the handrail portion is laid down from the state of FIG. 5 and the front step and the mounting portion are rotated and stored in the veranda. The side view seen from the left of FIG. A side view of a state in which the gondola ramp is rotated toward the inner side surface on the right side of the gondola and retracted and stored from the state shown in FIG.

An embodiment of the ramp for a gondola of the present invention will be described with reference to the drawings.
[Example 1]
As shown in FIG. 1, the gondola 1 using the present invention is a known gondola generally used in repair work such as painting of a building 2, and the building 2 is provided with a hanging wire 3 hanging from the roof of the building 2. It is suspended so that it can be raised and lowered on the outer wall surface of the building.

The building 2 is assumed to be a middle-high-rise building, and the gondola 1 is provided so as to be able to move up and down with respect to the handrail wall 5 of the veranda 4 in the building 2 with an appropriate distance from the outer surface of the handrail wall 5.
Next, the ramp 6 for the gondola shown in FIG. 1 will be described.

As shown in FIGS. 2 and 3, the ramp 6 for a gondola includes a square mounting portion 7 mounted on the upper surface of the handrail wall 5, a handrail portion 15, a front step 20 and a rear step 30. The front step 20 is connected to one of the opposite sides of the mounting portion 7, and the rear step 30 is connected to the other side of the mounting portion 7.

Hereinafter, with respect to the mounting portion 7, the front side step 20 side is the front side, and the rear side step 30 side is the rear side.

Further, in FIGS. 2 and 3, the XX direction is the front-rear direction and the YY direction is the left-right direction.
The above-mentioned placing portions 7 are a pair of beam portions 8a and 8b arranged in the front-rear direction (XX direction) with a predetermined interval in the left-right direction (YY direction) and a front-rear direction (XX direction). A pair of cylindrical front rotating portions 9 and cylindrical rear rotating portions 10 arranged in the left-right direction (YY direction) with a predetermined interval in the direction) form beam portions 8a and 8b. A handrail portion 15 formed to have a predetermined storage space 7a between the space and both rotating portions 9 and 10 is integrally formed, and the handrail portion 15 formed to have substantially the same dimensions as the inner dimension can be stored in the storage space 7a. It has become.

The handrail portion 15 is provided with a cylindrical handrail rotating portion 16, and the handrail rotating portion 16 has a rotation center around the axis of the one beam portion 8a, and the circumference of the beam portion 8a. It is fitted so that it can be tilted in the direction and slidable in the XX direction.

The upper screw hole 11 and the inner screw hole 12 are provided in the one beam portion 8a to which the handrail rotating portion 16 is fitted with a distance of approximately 90 degrees with respect to the circumferential direction of the beam portion 8a. A fixing bolt 13 such as an eyebolt is detachably screwed to the upper screw hole 11 and the inner screw hole 12.

At the end of the handrail rotating portion 16 on the side having the fixing bolt 13, a bolt insertion slot 17 having an opening on the end side is provided.

Then, the handrail portion 15 is rotated in the YY direction so that the bolt insertion slot 17 matches the upper screw hole 11 or the inner hole screw 12, and the handrail portion 15 is further moved to the fixing bolt 13 side. , The bolt insertion slot 17 is fitted to the fixing bolt 13 and the fixing bolt 13 is screwed into the handrail portion 15 in an upright state or a storage state in which the handrail portion 15 is laid down in the storage space 7a. In addition, each can be positioned and held.

Further, in the front rotating portion 9 of the previously described placing portion 7, the cylindrical front upper rail 21 of the front step 20 is rotatable around the axis thereof in the circumferential direction of the front upper rail 21. , It is slidably inserted in the YY direction.

Further, as shown in FIG. 3, on the back surface side of the front rotating portion 9, a notch-shaped front holding means 18 into which the front strut 22 is fitted is provided at one end of the front rotating portion 9. , The diameter is substantially the same as the diameter of the front support column 22, one end is open, and the front column 22 is formed in the axial direction.

According to the above configuration, the front step 20 is rotated upward from the state shown in FIG. 3, and then the front support column 22 is moved and fitted into the front holding means 18, so that the front step 20 is placed on the mounting portion 7 during use. It can be held in a hanging state in the orthogonal direction.

In the front step 20, a front tread 23 is formed on the front step 20 which is located on the lower side facing the upper front upper rail 21 and on which an operator can rest his / her foot.
Further, the rear rotating portion 10 is formed in the same manner as the front rotating portion 9, and is arranged on the mounting portion 7 on the side facing the front rotating portion 9.

In the rear rotating portion 10, a rear step 30 having a rear upper rail 31, a rear strut 32, and a rear tread 33 is configured in the same manner as the front step 20, and the rear upper rail 31 is on the rear side. It is rotatably inserted into the rotating portion 10, and since these have the same structure as the front step 20, the description thereof will be omitted.

Further, in the rear step 30, as shown in FIGS. 2 to 6, a holding column 32a is integrally formed so as to extend downward in the used state, and the holding column 32a is fixed to the structure of the gondola 1. It is inserted from above into the cylindrical holding cylinder 40 to be provided.

By slidably fitting the holding column 32a into the holding cylinder 40 fixed to the gondola 1, when the gondola ramp 6 is used, the gondola ramp 6 is placed on the handrail wall 5 from the mounted state. In addition to preventing the ramp from falling off, as shown in FIG. 7, when the ramp for the gondola 6 is stored in the gondola, the ramp for the gondola 6 can be erected and held.

Next, the usage state of the ramp for the gondola 6 will be described.

When using the gondola ramp 6 at the work site, install it as follows.

First, from the state where the ramp 6 for the gondola is opened in the plane shown in FIGS. 2 and 3, the mounting portion 7 is spread over the upper surface of the handrail wall 5 and the upper surface of the front handrail 1a of the gondola as shown in FIGS. The front step 20 and the rear step 30 are bent downward from the building 2 and hung down, and the holding column 32a is inserted into the holding cylinder 40 fixed to the gondola 1.

Then, the front side step 20 and the rear side step 30 hanging from the mounting portion 7 are slid in the YY direction (right direction in FIG. 3), and the front side holding means 18 formed of the notch hole and the notch hole are formed. By fitting the front support column 22 and the rear side support column 32 into the rear side holding means 19, the front side step 20 and the rear side step 30 are locked, and the hanging state thereof is maintained.

As a result, steps 20 and 30 before and after the gondola ramp 6 sandwich the upper part of the handrail wall 5 and the front handrail 1a of the gondola, and the gondola 1 is brought into contact with the outer wall surface of the building 2 in the XX direction. The swing in the direction is suppressed.

Next, as shown in FIGS. 5 and 6, the handrail portion 15 is rotated 90 degrees upward to stand up from the inverted state of FIG. 2, and then slid in the XX direction to insert the bolt insertion slot 17 Is aligned with the upper screw hole 11, the fixing bolt 13 is inserted into the bolt insertion slot 17, and the handrail portion 15 is held in an upright state by screwing and fixing to the upper screw hole 11.

According to the above, when the worker who repairs the painting of the building 2 moves up and down from the gondola 1 to the balcony 4, he first puts his hand on the handrail portion 15, puts his foot on the rear tread 33, and puts his foot on the handrail wall 5. After getting over and putting a foot on the front railing 23, it lands on the floor of the balcony 4.

When moving from the veranda 4 to the gondola 1, the procedure is the reverse of the above.

Next, the stored state of the ramp 6 for the gondola will be described.

When the worker finishes the work on the floor and moves the gondola 1 to another floor of the building 2 or another adjacent place, the ramp 6 for the gondola is stored in the gondola 1.

At this time, first, the handrail portion 15 is stored in the storage space 7a of the mounting portion 7 in the reverse procedure of the standing procedure, and the fixing bolt 13 is screwed and fixed to the inner screw hole 12 through the bolt insertion slot 17. ..

Next, in order to unlock the front step 20 and the rear step 30, the front step 20 and the rear step 30 are slid in the YY direction (right direction in FIG. 3), and the front holding means including the notch holes is formed. The front column 22 and the rear column 32 are removed from the 18 and the rear holding means 19.

Then, from the state of FIGS. 5 and 6, as shown in FIGS. 7 and 8, the front step 20 of the gondola ramp 6 is rotationally bent around the front rotating portion 9 toward the upper surface side of the handrail wall 5. The mounting portion 7 is bent toward the gondola 1 and laid down in the gondola 1.

Further, from the state of FIGS. 7 and 8, the holding column 32a is rotated in the holding cylinder 40 in the circumferential direction, that is, toward the side surface side of the gondola 1, and as shown in FIG. 9, the ramp 6 for the gondola is moved to the side surface of the gondola 1. Evacuate to the side.

The structure on the side surface of the gondola 1 and the retracted ramp for the gondola 6 may be immovably fixed by an appropriate fastening means.

With the above configuration, according to the gondola ramp 6 of the present invention, the gondola ramp 6 sandwiches the upper part of the handrail wall 5 of the veranda 4 and the front handrail 1a of the gondola 1, and the mounting portion 7 is the veranda 4. By mounting and engaging on the upper surface of the handrail wall 5, it is possible to prevent the gondola 1 from swinging in the contact / separation direction from the outer wall surface of the balcony 4, and the gondola 1 can be stably held on the work floor.

Therefore, the repair work such as painting the building 2 from the inside of the gondola 1 can be performed satisfactorily, and the gondola 1 can be suppressed from swinging when the worker moves between the veranda 4 and the gondola 1.

Further, by providing the front side step 20 and the rear side step 30, when the worker gets over the handrail wall 5, the worker can easily move up and down, and the worker does not fall directly from the upper surface of the handrail wall 5, and falls or the like. It is possible to suppress the risk of

Further, by providing the handrail portion 15, the operator can safely move up and down using the handrail portion 15 as a handle portion, and by installing the handrail portion 15 on the side end portion side of the gondola 1, the handrail portion 15 can be safely moved up and down. Becomes a wall and can prevent the worker from falling to the side end side of the gondola 1.

Further, by loosely fitting the holding column 32a into the holding cylinder 40, when the gondola 1 floats in the vertical direction, the holding column 32a follows and slides in the holding cylinder 40 in the vertical direction.

Therefore, when the gondola 1 moves below the working position of the veranda 4, the holding column 32a and the holding cylinder 40 extend in an engaged state, so that the gondola ramp 6 falls off from the mounting position on the handrail wall 5. Can be prevented.

On the other hand, when the gondola 1 moves above the working position of the veranda 4, the holding column 32a is supported by the holding cylinder 40, and the ramp 6 for the gondola follows the upward movement of the gondola 1 on the handrail wall 5. The gondola ramp 6 is held so as not to fall off from the front handrail 1a even if it is separated upward from the mounting position of the above.

Further, when the gondola ramp 6 is stored in the gondola 1 by being supported by the holding cylinder 40, the gondola ramp 6 is placed in an upright state as shown in FIG. 7 and stored in the gondola 1 in a small space. can do.

Further, by rotating the holding support column 32a in the holding cylinder 40 toward the side wall side of the gondola around the axis of the holding column 32a, the gondola ramp 6 can be stored on the side surface side of the gondola 1 and the gondola 1 Even when working on the front side of the gondola, it does not interfere with the construction.
[Other Example 1]
In the first embodiment, the holding means 18 and 19 of the front step 20 and the rear step 30 are formed by the cutout holes, but the method is not limited to this method, and other holding means such as screws may be used.

Further, although a fixing bolt 13 such as an eyebolt is used as the positioning means of the handrail portion 15, other positioning means may be used.

1 Gondola 2 Building 4 Veranda 5 Handrail wall 7 Mounting part 7a Storage space 15 Handrail part 18 Front side holding means 19 Rear side holding means 20 Front side step 30 Rear side step 32a Holding support column 40 Holding cylinder

Claims (3)

It is used for a gondola that goes up and down along the outer wall surface of a building, and has a square mounting part to be mounted on the upper surface of the handrail wall of the balcony of the building, and one side of the mounting portion facing each other. The front step for the footrest is rotatably connected and provided in the vertical direction, and the rear step for the footrest is rotatably connected and provided on the other side, and the above-mentioned resting portion is provided on the handrail wall. The front step is placed inside the handrail wall, the rear step can be placed inside the gondola, and a holding means for holding the arranged state of both steps is provided. A gondola gangway featuring that. The ramp for a gondola according to claim 1, wherein the handrail portion is provided in the above-mentioned placing portion so that the handrail portion can be tilted up and down, and a storage space for storing the handrail portion is provided by the lodging of the handrail portion. The first aspect of the present invention is characterized in that a holding column is provided on the rear step, a holding cylinder is provided on the holding column so as to be slidable in the axial direction thereof, and the holding cylinder is fixed to the inside of the gondola. The ramp for the gondola described in 2.

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