JP3009758U - Footboards for constructing framework scaffolds - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention, when forming a work floor (passage) of a frame scaffold, fills the gaps between steel cloth plates (scaffold plates) that are laid in parallel to form a flat floor surface. It is intended to provide a new product called a tread for constructing a framework scaffolding to enable the formation of a frame. [Structure] Overlapping portions 1a, 1a for superimposing on the upper surfaces of steel cloth plates C, C are continuously provided on both sides of a tread plate main plate 1 having a predetermined length, and the tread plate main plate 1 A fixed hook 2 for hooking on a horizontal member a of one building frame A is fixed to one end of the building frame A, and further, a horizontal hook member of the other building frame A is attached to the other end of the tread plate main plate 1. A footboard for constructing a framework scaffold provided with a movable hook 3 for hooking to a.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is intended to form a flat floor surface by filling each gap between steel cloth plates (scaffold plates) that are laid in parallel when forming a work floor (passage) of a frame scaffold. A footboard for constructing a frame scaffold.

[0002]

[Prior art]

 Conventionally, the work floor of a frame scaffold is formed by installing a required number of steel cloth plates between each building frame. Then, the steel plates were not laid in close contact with each other, but a slight gap was forced to occur. This is because, if they are installed in a state where they are in close contact with each other, the installation and dismantling work will be complicated, and a play interval is required to allow the hands to be put in during the work.

[0003]

[Problems to be solved by the device]

 If the above-mentioned gap exists on the work floor of the frame scaffolding, parts or tools may be dropped from the gap during construction work, or the foot may slip during walking and slide into the gap. There was a risk of sprains and sprains. The present invention is intended to provide a new product called a footboard for constructing a framework scaffold for solving such a problem.

[0004]

[Means for Solving the Problems]

 According to the present invention, the tread plate main plate 1 having a predetermined length is provided on both sides thereof with the overlapping portions 1a, 1a for superimposing on the upper surface of the steel cloth plates C, C, and the tread plate main plate 1 A pair of fixed hooks 2 for hooking from one side to the horizontal member a of the one building frame A are fixedly provided at positions inside the overlapping portions 1a, 1a at one end of the plate 1, and the tread plate At the other end of the main plate 1 and at a position inside the overlapping portions 1a, 1a, with respect to the horizontal member a of the other building frame A, it is rotated so as to wrap around from the inside to the bottom surface side. A footboard for constructing a framework scaffold, which is characterized in that a pair of movable hooks 3 formed in 1 are installed. The present invention solves the above problems based on the adoption of such a configuration.

[0005]

[Action]

 As shown in FIG. 6, the tip of the fixed hook 2 is dropped into the gap between the horizontal member a of the one building frame A and the beam member of the steel cloth plate C. After that, as shown in FIG. 7, the movable hook 3 side is dropped into the gap between the horizontal member a of the other building frame A and the beam member of the steel cloth plate C. As a result, the tread main plate 1 becomes horizontal, and the gap between the steel cloth plates C, C is closed at the upper surface thereof. Therefore, the above-mentioned problem due to the existence of the gap is completely solved.

[0006]

【Example】

 FIG. 1 shows an example of the constructed scaffold. In the figure, A is a building frame, B is a brace, and C is a plurality of (two in the illustrated embodiment) steel cloth plates laid between the building frames in parallel with each other. . Reference numeral D denotes a tread plate according to the present invention, which is installed to fill the gap between the steel cloth plates C, C that are erected, as indicated by the arrow in the figure.

2 to 5 show a footstep D according to the present invention, and the footstep D is configured as follows.

Reference numeral 1 denotes a tread plate main plate having a predetermined length, on which an anti-slip ridge is formed as required. Further, on both sides of the tread main plate 1, overlapping portions 1a, 1a for superposing on the upper surfaces of the steel cloth plates C, C are continuously provided. In other words, the overlapping portions 1a, 1a for overlapping with the upper surfaces of the steel cloth plates C, C are integrally formed by extending both side edge portions of the step plate main plate 1. As shown in FIGS. 4 and 5, the fitting portions 1a, 1a have tapered surfaces inclined toward the edge side, so that the contactability with the steel cloth plates C, C is improved. ing.

Reference numeral 2 denotes a pair of fixed hooks fixedly provided at one end of the above-mentioned tread main plate 1 inwardly (position inside the overlapping portions 1a, 1a). With respect to a (see FIG. 1), it is for being inserted and hooked from the upper side to the inner surface side. That is, the fixed hooks 2 are provided symmetrically opposite to each other.

Reference numeral 3 is a pair of movable hooks attached to the other end of the tread main plate 1 at a position slightly inward (position inside the overlapping portions 1a, 1a). That is, the movable hooks 3 are provided symmetrically opposite to each other. Further, the movable hook 3 is attached to a support piece 3a vertically provided at the end of the tread plate main plate 1 so that an arc-shaped hook piece 3b can be moved up and down along an arc-shaped locus.

Specifically, the arc-shaped hook piece 3b is formed by inserting the guide pins 3d and 3d attached to the support piece 3a side into the arc-shaped guide hole 3c opened therein. With respect to the horizontal member a of the building frame A, the horizontal frame member a is inserted from above to the inner surface side and then rotated around the lower surface side. Reference numeral 3e is an operation knob portion bent at the upper end of the above-mentioned arc-shaped hook piece 3b.

By the way, the dimension of the footboard D according to the present invention is standardized to a predetermined length based on the facing distance between the building frames A and the like, but the total length is usually about 1781 mm. The lateral width is such a dimension that the gap between the steel cloth plates C, C on which both sides are erected at the time of erection, and both sides are overlapped with the upper surface of the steel cloth plates C, C, for example, 175 mm. The width of the H frame is about 265 mm.

6 to 8 are front views for explaining the usage of the present invention. In the use of the present invention, as shown in FIG. 6, first, the fixed hook 2 is tilted with the side thereof facing down, and the tip of the fixed hook 2 is connected to the horizontal member a of one building frame A. , Drop it in the gap between the steel cloth plate C and the beam material. At this time, there is no problem even if the fixed hook 2 comes on either side of the scaffold in the span direction.

Next, as shown in FIG. 7, if the movable hook 3 side is dropped, the set of the present invention is completed. In this state, the arc-shaped hook piece 3b for filling the gap is in a state of being wrapped around the horizontal member a of the other building frame A from the inner surface side to the lower surface side. Then, the tread main plate 1 becomes horizontal, and the gap between the steel cloth plates C, C is closed on the upper surface thereof. The gap between the steel cloth plates C, C is prevented from expanding beyond a certain level due to the presence of the hooks 2, 3.

In addition, when removing the present invention, as shown in FIG. 8, the arc-shaped hook piece 3b of the movable hook 3 is pulled up by its gripping portion 3e with the fingers of both hands, and is held as it is. Change, then lift the whole. As a result, the hook on the movable hook 3 side is released and the hook on the fixed hook 2 side is released, and the removal work of the present invention is completed.

[0016]

[Effect of device]

 According to the present invention, the tread plate main plate 1 having a predetermined length is provided on both sides thereof with the overlapping portions 1a, 1a for superimposing on the upper surface of the steel cloth plates C, C, and the tread plate main plate 1 A pair of fixed hooks 2 for hooking from one side to the horizontal member a of the one building frame A are fixedly provided at positions inside the overlapping portions 1a, 1a at one end of the plate 1, and the tread plate At the other end of the main plate 1 and at a position inside the overlapping portions 1a, 1a, with respect to the horizontal member a of the other building frame A, it is rotated so as to wrap around from the inside to the bottom surface side. Since the pair of movable hooks 3 constructed as above are installed, the gap is filled by setting the tread plate according to the present invention in the gap between the steel cloth plates C, C.

Therefore, when there is a gap in the work floor of the framework scaffold, parts or tools are dropped from the gap during the construction work, or the gap is generated during the work on the work floor. The present invention completely eliminates the danger of a sprain accident caused by a person's foot being caught. Further, the steel cloth plates C, C are stabilized at regular intervals because of the existence of the hooks 2, 3.

In addition, a movable hook 3 is used in which an arc-shaped hook piece 3b is attached to a supporting piece 3a vertically provided at an end portion of the tread plate main plate 1 so as to be movable up and down in an arcuate locus. According to the above, the structure can be simplified and a reliable latch can be realized.

Further, the overlapping portions 1a, 1a for superimposing on the upper surfaces of the steel cloth plates C, C are tapered surfaces inclined toward the edge side, so that contact with the steel cloth plates C, C is made. As a result, it is possible to prevent the occurrence of a situation in which foreign matter intrudes into the polymerized part of both of them, which improves the property.

[Brief description of drawings]

FIG. 1 is an explanatory perspective view showing a usage state of the present invention.

FIG. 2 is a front view of the present invention.

FIG. 3 is a bottom view of the present invention.

FIG. 4 is a right side view of the present invention.

FIG. 5 is a left side view of the present invention.

FIG. 6 is an explanatory front view showing a state immediately before mounting of the present invention.

FIG. 7 is an explanatory front view showing a mounting state of the present invention.

FIG. 8 is an explanatory front view showing a removing process of the present invention.

FIG. 9 is a plan view showing an example of a usage state of the present invention.

[Explanation of symbols]

 A building frame B bracing C steel cloth plate D tread plate according to the present invention 1 tread plate main plate 1a overlapping part 2 fixed hook 3 movable hook 3a support piece 3b arc hook piece 3c arc guide hole 3d guide pin 3e operation knob

Claims (3)

[Scope of utility model registration request] 1. A superimposing portion (1a, 1a) for superposing on the upper surface of a steel cloth plate (C, C) is continuously provided on both sides of a tread main plate (1) having a predetermined length. And the tread main plate
At one end of (1), at a position inside the overlapping portion (1a, 1a)
A pair of fixing hooks (2) for hooking from the inside to the horizontal member (a) of one building frame (A) are fixed, and further, the other end of the tread main plate (1) is used for polymerization. At a position inside the parts (1a, 1a), a pair is constructed so as to rotate and hang around the horizontal frame (a) of the other building frame (A) from the inside to the bottom side. A footboard for constructing a framework scaffold, which is equipped with a movable hook (3). 2. A support piece suspended from the end of the step plate main plate (1).
The tread plate for constructing a framework scaffold according to claim 1, wherein a movable hook (3) is used, which is attached to the arc hook piece (3b) so as to draw an arc locus so as to be vertically movable with respect to 3a. 3. The overlap portion (1a, 1a) for overlapping with the upper surface of the steel cloth plate (C, C) is formed as a taper surface inclined toward the edge side. Footboard for building framework scaffolding.