JPH083585Y2 - Scaffolding board with ladder - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffolding board used at a construction site or the like, and more particularly to a scaffolding board mainly used for a rolling tower.

[0002]

2. Description of the Related Art A scaffolding board is used for a frame scaffolding or a rolling tower by hanging it over a horizontal rod of a building frame. The scaffolding board consisted of steel strips with a knurled surface and non-slip surfaces with grips at both ends.

There is also known a scaffolding board in which a lid plate that can be opened and closed is provided in an intermediate portion of the striped plate.

[0004]

[Problems to be Solved by the Invention] Even with a scaffolding plate having a lid plate that can be opened and closed in the middle portion of the striped plate as described above, the ladder to be attached to this scaffolding plate is stored and transported separately. There was trouble. In addition, depending on the size and shape of the rolling tower to which the scaffold plate is attached or the frame scaffold, it may be better to hang the ladder not only in the longitudinal direction but also in the width direction, that is, the lateral direction. Only the longitudinal ladders that are hung on the scaffold are known.

This invention provides a scaffolding board with a ladder, which is provided with a device for removably accommodating a ladder on the lower surface of the scaffolding board and which can be hung on the scaffolding board in the longitudinal direction and the lateral direction. The purpose is to

[0006]

[Means for Solving the Problems] In order to achieve this purpose,
The scaffolding board with a ladder of this invention is provided with a lid plate that can be opened and closed in the middle of the striped plate, and a retractable ladder is detachably stored on the lower surface. The ladder housing has a hanging rod, and the axis of the hanging bar is oriented in the lateral direction of the scaffolding plate, and the position of the hanging rod whose axial center is oriented in the lateral direction is located on the opposite side in the longitudinal direction of the scaffolding plate. , The pin holes provided on the opposite plate-shaped members located on both sides of the striped plate, the ladder consists of the upper ladder and the lower ladder that slide by the sliding part, and the upper ladder hangs on each hanging bar. Provided with a gripping part that can be stopped, the lower ladder is provided with spring pins that can project from the column side walls on the columns on both sides of the lower part, and the spring pins can be inserted into and removed from the pin holes and inside the scaffold plate. By narrowing both ends from the side wall of the column Having a bunch part a means to put Tsu.

[0007]

[Operation] When storing the ladder on the scaffolding board, slide it to shorten the length and store it. In such a case, the ladder is supported by one of the latches provided on the upper ladder, which is attached to the hanging bar facing the lateral direction of the ladder storage section.

On the other hand, the spring pins provided on both sides of the lower part of the lower ladder are fitted in the pin holes which are fitted on both sides of the striped plate, and the spring pins provided on the ladder are housed in the striped plate. The spring pin is pulled out and retracted from the column of the ladder by retracting the grip part by narrowing the grip part inside the scaffold plate, and by releasing the grip part, the spring pin projects from the column by the force of the spring.

When the ladder is to be removed from the striped plate, similarly, the grip portion is once narrowed inward, the spring pin is removed from the pin hole, the lower ladder is removed from the lower surface of the striped plate, and the grip portion of the upper ladder and the hanging bar are used as fulcrums. Do it by moving it. Then slide the slide part to extend the length of the ladder and use it.

When used, the ladder is 2 on the back of the scaffolding board.
Hang on one of the hanging rods with different directions. The direction in which the ladder hangs is selected according to the size and shape of the rolling tower and framework scaffolding used by the scaffolding board.

At the upper position where the ladder is hung, there is a lid plate, which can be opened and closed to go out on the striped plate.

[0012]

1 is a plan view of a scaffolding board with a ladder according to an embodiment of the present invention, FIG. 2 is a bottom view thereof, FIG. 3 is a front view thereof, and FIG. 4 is a side view of the same. 5 showing a case where the ladder is hung up, FIG. 6 showing a case where the ladder is hung toward the lateral direction of the scaffold plate, FIG. 7 showing a cross section taken along the line AA of FIG. A description will be given based on a certain FIG. 8, FIG. 9 showing an enlarged side surface of the ladder slide portion, and FIG. 10 showing a cross section taken along the line CC of FIG.

The scaffolding plate 1 is provided with grips 3 at both ends of the striped plate 2 in the longitudinal direction. The grip 3 can be locked to the horizontal rod 4 of the rolling tower or the frame scaffold.

A cover plate 5 is provided on the stripe plate 2 at an intermediate portion thereof so as to be openable and closable. The cover plate 5 has a rectangular shape in a plan view and is provided with a hinge 6 on one side thereof so that it can be freely opened and closed.

Two hanging bars 7 are attached to the back surface of the stripe plate 2. One of the hanging rods 7 has its axis oriented in the longitudinal direction, and the other has its axis oriented in the lateral direction. The hanging bar 7A whose axis is oriented in the longitudinal direction is provided on the back surface of the striped plate 2 at the widthwise end of the lid plate 5. The length of the hanging rod 7A may be shorter than that of the cover plate 5 and may be about the width of the ladder 8.

The hanging bar 7B whose axis is oriented in the lateral direction is provided at a position near the cover plate 5 on the back surface of the striped plate 2. The length of the hanging rod 7B may be shorter than that of the cover plate 5 and may be about the width of the ladder 8.

The ladder storage portion 9 is provided on the back surface of the striped plate 2, and comprises a hanging rod 7B and a pin hole 10 provided on the side opposite to the position where the hanging rod 7B is located in the longitudinal direction. Pin hole 10
Is a plate-shaped body 1 facing each side of the striped plate 2.
1 is provided, and the pin hole 10 is opened in the plate-shaped body 11.

The ladder 8 is extendable and retractable in length. The ladder 8 is composed of two parts, a lower ladder 8A and an upper ladder 8B, and slides by a slide portion 12. At the upper end of the upper ladder 8A, there is provided a grip portion 20 that is hooked on the hanging rod 7. Further, spring pins 21 are provided on both sides of the lower part of both columns 17B of the lower ladder 8B. The spring pin 21 allows the tip of the spring pin 21 to be retracted from the side wall of the support column 17B by narrowing the two grips 22 in the middle of the support column 17B inward. More prominent.

The slide portion 12 includes a guide 15 having a set pin 14 for engaging the spring 13 and a slide plate 16
Via one of the ladders 8 (in this embodiment the upper ladder 8
It is slidably mounted on the column 17A of A) and is fixed to the column 17B of the other ladder 8 (lower ladder 8B in this embodiment) by the extension portion 18 of the guide 15. The support pin 17A on which the guide 15 slides is provided with set pin holes 19 into which the set pins 14 fit, at appropriate intervals. Set pin 14
Can be pulled against the spring pin 13, and the set pin 14 is pulled, and the guide 15 slides on the support column 17A with the set pin 14 removed from the set pin hole 19.

Next, the operation of the embodiment of the present invention will be described. The scaffolding board with a ladder accommodates the ladder 8 on the back surface of the striped board 2 during storage or transportation. For the ladder 8, pull out the set pin 14 of the slide portion 12 from the set pin hole 19,
The guide 15 is slid on the support 17 to reduce the length of the ladder 8.

The grip portion 20 of the ladder 8 having a reduced length is
The shaft is locked to the hanging rod 7B that extends in the lateral direction. next,
By grasping the grip portion 22 of the spring pin 21 provided on the opposite side, the spring pin 21 is once retracted and positioned between the plate-like bodies 11 provided on the back surface of the striped plate 2. And the grip 22
Is released, the spring pin 21 is inserted into the pin hole 10, and the ladder 8 is stored in the ladder storage portion 9.

When the scaffold plate is used for a rolling tower or a frame scaffold, the spring pin 21 of the ladder 8 is removed from the pin hole 10 and the grip portion is removed from the hanging rod 7B. Then, the slide portion 12 of the ladder 8 is slid, and the set pin 14 having a length adapted to the site is inserted and fixed at the position of the set pin hole 19.

Depending on the size of the rolling tower and the like, the ladder 8 has a hanging rod 7B whose axial center extends in the lateral direction.
Alternatively, the grip portion 20 is hooked to the hanging rod 7A whose axial center extends in the longitudinal direction for use.

[0024]

Therefore, according to this invention, the ladder can be transported and stored together with the scaffold plate.
In addition, the removed ladder can be hung in two directions, and there is an effect that it can be installed without being restricted by the shape and size of the rolling tower or the framework scaffold.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of the scaffolding board of the present invention.

[Figure 2] Similarly, bottom view

[Figure 3] Similarly, a front view

FIG. 4 is a side view of the same.

FIG. 5 is a front view showing a case where the ladder is hung in the longitudinal direction of the scaffold plate.

FIG. 6 is a front view showing a case where the ladder is hung on the scaffold plate in the lateral direction.

7 is a sectional view taken along the line AA of FIG.

FIG. 8 is a view on arrow B of FIG.

FIG. 9 is an enlarged side view of the ladder slide section.

FIG. 10 is a partial sectional front view of a ladder slide portion.

[Explanation of symbols]

 1 Scaffolding board 2 Striped board 3 Grip metal fittings 4 Horizontal rod 5 Lid board 6 Hinge 7 Hanging rod 7A Hanging rod with axial center oriented in the longitudinal direction 7B Hanging rod with axial center oriented in the lateral direction 8 Expandable ladder 8A Upper ladder 8B Lower ladder 9 Ladder storage part 10 Pin hole 11 Plate-like body 12 Sliding part 13 Spring 14 Set pin 15 Guide 16 Sliding plate 17 Strut 17A Upper strut 17B Lower strut 18 Extension part 19 Set pin hole 20 Grip part 21 Spring pin 22 Grip part

Claims (1)

[Scope of utility model registration request] 1. A ladder plate having an openable and closable lid plate at an intermediate portion of the striped plate, and a retractable ladder which is detachably housed on a lower surface of the strip plate, and a hanging rod whose axial center is oriented in the longitudinal direction of the scaffold plate. The ladder storage unit has a hanging bar whose axis is oriented in the lateral direction of the scaffolding plate and a position where the axial bar is oriented in the lateral direction and a position opposite to the longitudinal direction of the scaffolding plate. It consists of pin holes provided on opposite plate-shaped bodies located on both sides, and the ladder consists of an upper ladder and a lower ladder that slide with a slide part, and the upper ladder has a grip that can be hooked on each hanging bar. The lower ladder is provided with spring pins that can project from the side walls of the columns on both sides of the lower ladder,
Both ends of the spring pin can be inserted into and removed from the pin hole,
A scaffolding board with a ladder, characterized in that it has a grip portion that is a means for retracting both ends from the side wall of the support pillar by narrowing it inside the scaffolding board.