JPH10183983A - Drop-protection plate mounting device and drop-protection plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance safety without decreasing operability by securing a mounting bracket, which has protection-plate-mounting rotating parts freely rotationally mounted on both sides, to an inner bracket locked to the stud of a building frame, and permitting the horizontally supported protection-plate-mounting rotating parts to mount a drop-protection plate in such a way that the drop-protection plate is freely attached and removed. SOLUTION: An inner bracket 1 having a U-shaped upper end face is engaged with a stud 100 at its U-shaped grooved part, and its downwardly-open top locks a hemispherical recess to a horizontal rod 101, while its lug-avoiding recess engages the projecting part of the stud bracket 102 of the stud 100. A protection-plate-mounting rotating part 3 which is in the form of U on plan view is freely rotationally mounted on each side of a mounting bracket 2 taking the from of U on plan view, which is secured to the outside of the inner bracket 1. Each of the protection-plate-mounting rotating parts 3 permits the mounting curved pin 50 of a drop-protection plate 5 to be freely removably attached thereto by a plate mounting hole 31 provided in the side face of the part 3. The angle of horizontal support is secured to the mounting bracket 2, and the protection-plate-mounting rotating parts 3 are supported in horizontal positions while being rotated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fall protection plate mounting device provided on a framed scaffold or the like at a construction site and a fall protection plate used for the device.

[0002]

2. Description of the Related Art Conventionally, in a construction site, it is a usual method to construct a building having a steel frame or a concrete wall and to assemble a framed scaffold along the building.

[0003] A framed scaffold is provided as close as possible along the side of a steel frame or a building for the safety and workability of an operator. However, the actual building wall is different from a building material or a building tool. For transportation, it was necessary to leave an interval of about 400 mm to 600 mm.

[0004] A gap formed between a building in the middle of construction and a scaffolding scaffold is suitable for vertically transporting relatively small building materials and building tools, but may fall during transportation. .

For this reason, conventionally, nothing is provided in the gap between the framework scaffold and the building, or a fall prevention plate fixed at each stage of the framework scaffold is provided.

[0006]

However, unless a fall prevention plate is provided between the framed scaffold and the building, an accidentally dropped object falls to the lowermost part, which is extremely dangerous for the worker. Had a safety problem. Also,
If the fall prevention plate is not provided, the worker may fall accidentally from between the framework scaffold and the building, which is extremely dangerous in work.

If the fall prevention plate is fixedly provided at each stage of the framework scaffold, it is not easy to hand building materials and tools between the lower framework scaffold and the upper framework scaffold. There was a problem that the property became worse.

[0008]

Means for Solving the Problems In order to solve the problems, an inner bracket which is engaged with a pillar of a building frame, and a mounting bracket which is attached to a plate mounting rotating portion so as to be rotatable on both sides and is fixed to the inner bracket. And a horizontal mounting portion that is rotatably mounted on the mounting bracket and that allows the fall protection plate to be removably mountable, and a horizontal support portion that is provided so that the horizontal mounting plate support portion is horizontally supported. A fall protection plate mounting device is proposed.

An inner bracket having a groove engaging with a pillar of a building frame, a downwardly opening concave portion engaging with a horizontal rod, an ear avoiding concave portion, and a mounting pin, and a plate mounting rotating portion rotatable to both sides. A mounting bracket fixed to the mounting inner bracket, a plate mounting rotating portion rotatably mounted on the mounting bracket and a drop protection plate removably mountable, and a plate mounting rotating portion supported horizontally. And a horizontal support portion comprising an angle provided at the first position.

[0010] Also, an inner bracket that is engaged with the pillar of the building frame, a mounting bracket that is rotatably mounted on both sides of the plate mounting rotatable portion, and a mounting bracket that is fixed to the inner bracket, and is rotatably mounted on the mounting bracket. A fall protection plate mounting device consisting of a protection plate mounting rotation unit that allows the fall protection plate to be detachably mounted, and a horizontal support unit that is provided so that the protection plate mounting rotation unit is horizontally supported. A fall protection plate to be attached, the attachment plate comprising bending plate members bent at both ends in the longitudinal direction, and an attachment curved pin attached to an attachment hole provided in the attachment member. We propose a fall protection plate characterized by being detachably attached to a moving part.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a front view of a fall protection plate mounting apparatus according to an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a side view of the fall protection plate mounting apparatus, and FIG. FIG. 4, which shows a perspective explanatory view of a state where it is attached to a building frame,
FIG. 5 shows a side view of the inner bracket of the fall protection plate mounting device, FIG. 6 shows a partially enlarged plan view of the fall protection plate, FIG. 7 shows a partially enlarged front view of the fall protection plate, FIG. Will be described with reference to FIG.

A fall protection plate mounting device according to an embodiment of the present invention includes an inner bracket 1 and a mounting bracket 2.
And a protection plate mounting and rotating portion 3 and a horizontal support portion 4.
Reference numeral 5 denotes a fall protection plate.

The inner bracket 1 has a groove 10 which engages with a pillar 100 of a building frame of a framework scaffold, and a horizontal rod 10 of the building frame.
1 and a concave portion 11 opening downward and an ear avoiding concave portion 12
And a mounting pin 13. Inner bracket 1
Has a U-shaped upper end surface, engages with the vertical pillar 100 through a U-shaped groove portion 10, and locks a concave portion 11 that opens downward and has a semicircular upper portion to the horizontal rod 101. At this time, the ear avoiding recess 12 engages with the projecting portion of the pillar bracket 102 provided on the pillar 100. After the engagement, the mounting pins 13 are mounted.

The mounting bracket 2 has a flat U-shape, and is mounted and fixed to the outside of the inner bracket 1 inside the U-shape. Protective plate mounting and rotating portions 3 are rotatably mounted on both sides of the U-shaped mounting bracket 2.

The protective plate mounting and rotating portion 3 includes the mounting bracket 2
Are attached to both sides by bolt nuts 30, respectively, and are rotatable about the bolt nut 30. Each of the protection plate mounting rotation parts 3 has a flat U-shape, and is attached to the mounting bracket 2 at the U-shaped back surface with each U-shaped opening facing outward, and a plate mounting hole that is an elongated hole on the side surface. 31
Is provided. The protection plate mounting rotation unit 3 detachably mounts the mounting curved pin 50 of the fall protection plate 5 through the plate mounting hole 31.

The horizontal support portion 4 is composed of two angles, each of which is fixed to a lower portion of the mounting bracket 2 so that the protection plate mounting rotation portion 3 is horizontally supported in a rotated state. Provide.

The fall protection plate 5 is provided with mounting pieces 51 at both ends in the longitudinal direction. The mounting piece 51 is such that the lower piece 51b is the upper piece 5
1a, it is a bent plate-shaped body having a U-shaped cross section which is wider in the longitudinal direction of the protection plate and narrower on the mounting side in the protection plate width direction.
The upper piece 51a of the mounting piece 51 has two mounting holes, the first mounting hole 5
2a and a second mounting hole 52b, and the lower piece 51b has one third mounting hole 52c. First mounting hole 5 of upper piece 51a
The second mounting hole 52c of the lower piece 51b is on the same line as the lower piece 51b.

A mounting curved pin 50 is provided in a mounting hole 52 of a mounting piece 51. The mounting bending pin 50 is curved in a W-shape, and a short bent portion 50a is inserted into the second mounting hole 52b of the upper piece 51a to insert the first mounting hole 52a and the third mounting hole 52c.
The long bent portion 50b is inserted into the second portion. Mounting curved pin 5
0 is a spring pin 50c at the long bent portion 50b.
Is provided, and the spring pin 50c is located between the first mounting hole 52a of the upper piece 51a and the third mounting hole 52c of the lower piece 51b. Washer 5 between spring pin 50c and upper piece 51a
A spring 50e is provided via Od.

When the fall protection plate 5 is mounted on the protection plate mounting rotation unit 3 of the fall protection plate mounting device, the protection plate mounting rotation unit 3 is inserted between the upper piece 51a and the lower piece 51b of the mounting piece 51. At the same time, the mounting curved pin 50 is separated from the upper piece 51a against the spring 50e, and the short bent portion 50a is moved to the second
It is taken out from the mounting hole 52b, and the plate mounting hole 31 of the protection plate mounting rotating portion 3 is positioned therebetween. In this state, when the short bent portion 50a is again inserted into the second mounting hole 52b and the plate mounting hole 31, the mounting curved pin 50 is pressed against the surface of the upper piece 51a by the urging force of the spring 50e.

When the fall protection plate 5 is attached to the plate attachment rotating unit 3, the fall protection plate 5 can be rotated integrally with the plate attachment rotation unit 3. The rotation angle range of the plate mounting rotation unit 3 is 90 degrees from the horizontal support 4 to which the mounting piece 51 of the fall protection plate 5 contacts, to the pillar of the building frame, that is, from horizontal to vertical. Therefore, the fall protection plate 5 is turned around the bolt nut 30 of the plate attachment turning portion 3 as a center of rotation, and becomes horizontal with the lower piece 51 b of the attachment piece 51 abutting on the horizontal support portion 4. Becomes vertical when in contact with the pillar.

[0021]

Therefore, when performing normal work on the framework scaffold, since the fall protection plate is arranged in a horizontal state, the worker may accidentally fall into the gap between the framework scaffold and the building. Absent. Therefore, work safety is improved. In addition, falling objects between the framework scaffold and the building are not dropped to the lower scaffold by the fall protection plates at the steps of the respective scaffolds, so that the safety of workers at the lower steps is ensured.

Further, when a building material or a tool is transported between a lower scaffold and an upper scaffold between a framework scaffold and a building,
When the worker himself moves, the necessary building materials and tools can be easily transported by turning the fall protection plate of the scaffold of the required stage only vertically by the worker, and It is possible to move.

[Brief description of the drawings]

FIG. 1 is a front view of a fall protection plate mounting device.

FIG. 2 is also a plan view

FIG. 3 is also a side view

FIG. 4 is an explanatory perspective view of a state in which the fall protection plate mounting device is mounted on a frame of a framework scaffold.

FIG. 5 is a side view of the inner bracket of the fall protection plate mounting device.

FIG. 6 is a partially enlarged plan view of the fall protection plate.

FIG. 7 is a partially enlarged front view of the fall protection plate.

FIG. 8 is a partially enlarged side view of the fall protection plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner bracket 10 Groove part 11 Concave part 12 Ear avoiding concave part 13 Mounting pin 2 Mounting bracket 3 Protective plate mounting rotating part 30 Bolt nut 31 Plate mounting hole 4 Horizontal support part 5 Fall protection plate 50 Mounting curved pin 50a Short bending of mounting curved pin Portion 50b Long bending portion of mounting curved pin 50c Spring pin 50d Washer 50e Spring 51 Mounting piece 51a Upper piece 51b Lower piece 52 Mounting hole 52a First mounting hole 52b Second mounting hole 52c Third mounting hole 100 Pillar 101 of building frame Horizontal rod of building frame 102 Pillar bracket

Claims (3)

[Claims] 1. An inner bracket which is locked to a pillar of a building frame, a mounting bracket which is rotatably mounted on both sides of a plate mounting rotating portion, and which is fixed to the inner bracket, and which is rotatably mounted on the mounting bracket. A fall protection plate mounting characterized by comprising a protection plate mounting rotation portion capable of detachably attaching a fall protection plate, and a horizontal support portion provided so that the protection plate mounting rotation portion is horizontally supported. apparatus. 2. An inner bracket having a groove for locking to a pillar of a building frame, a downwardly opening concave portion for locking to a horizontal rod, an ear avoiding concave portion, and a mounting pin, and turning a protective plate mounting rotating portion to both sides. A mounting bracket that is movably attached to the inner bracket, a protection plate mounting rotation portion that is rotatably mounted on the mounting bracket, and a fall protection plate that can be detachably mounted, and a protection plate mounting rotation portion that is horizontal. And a horizontal support portion comprising an angle provided so as to be supported by the fall protection plate. 3. An inner bracket which is engaged with a pillar of a building frame, a mounting bracket which is rotatably mounted on both sides of a plate mounting rotary portion, and a mounting bracket which is fixed to the inner bracket, and which is rotatably mounted on the mounting bracket. A fall protection plate mounting device consisting of a protection plate mounting rotation unit that allows the fall protection plate to be detachably mounted, and a horizontal support unit that is provided so that the protection plate mounting rotation unit is horizontally supported. A fall protection plate to be attached, the attachment plate comprising bending plate members bent at both ends in the longitudinal direction, and an attachment curved pin attached to an attachment hole provided in the attachment member. A fall protection plate that is detachably attached to the moving part.