JP3811136B2 - Parent rope supporter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present application relates to a supporter that supports a horizontal master rope that is stretched in order to prevent an operator from falling in a low-rise housing assembly.
[0002]
[Prior art]
Conventionally, at the construction site of low-rise housing, there is a high risk of falling during work such as attaching outer walls, so a horizontal master rope is stretched and installed at the tip of the lifeline of the safety belt attached to the horizontal master rope by the operator The hook is locked to ensure safety.
As a supporter for stretching and supporting the horizontal master rope, there is a supporter as shown in FIG. This supporter is used to insert a bolt part at one end of a rod-like shape into a hole provided in the H steel on the ceiling, screw a nut to attach it, and insert a horizontal master rope into the lower ring part to stretch it. is there.
[0003]
When installing / removing the above-mentioned supporter, it is moved to a position where the hand can reach the H steel (about 1 meter), and the nut is tightened with a monkey, etc. It was a dangerous work because it was necessary to do unstable work with the unmanned rope. Also, it took time to install one by one around the outer wall. Also, several people needed equipment such as stepladders to install them at once.
[0004]
[Problems to be solved by the invention]
Therefore, work on a stepladder is eliminated (work while standing on the floor), and installation can be performed with simple operation (remote control). A parent rope supporter with improved safety during installation is obtained.
[0005]
[Means for Solving the Problems]
The present invention provides a hook portion at the front end of a long outer cylinder, a notch groove at the rear end, and a suspension ring portion fixed to a shaft, penetrating the inner cylinder into the outer cylinder, and at the front end of the inner cylinder. , Providing a base part to be fitted to the tip of the hook part, inserting an end fitting into the rear end of the inner cylinder, pivoting one end of the connecting plate to the end fitting pivotably, This is a structure that is pivotally fixed to one end of an operation piece that is rotatably provided on a fixed shaft of the hanging ring portion.
[0006]
【Example】
Examples of the present invention will be described in detail.
As shown in the figure, the present invention is provided with a substantially J-shaped hook portion 2 at the tip of a long outer cylinder 1, a notch groove 11 at the rear end, and a hanging ring portion 3 fixed on a shaft. An end fitting in which the inner cylinder 4 is inserted into the outer cylinder 1, a cap part 5 is provided at the tip of the inner cylinder 4 to be fitted to the tip of the hook part 21, and a spring 6 is disposed at the rear end of the inner cylinder 4. 7 is slidably inserted, one end of the connecting plate 8 is pivotally fixed to the end fitting 7, and the other end is pivotally provided on a shaft 31 fixed to the hanging ring portion 3. It has a structure in which one end of the piece 9 is pivotally supported and the lock cylinder 10 is slidably fitted to the outer cylinder 1.
In the above, an end fitting 7 having a spring 6 disposed at the rear end of the inner cylinder 4 is slidably inserted, and the sandwiching iron plate is constantly pressed. The end fitting 7 can be fixed, and one end of the connecting plate 8 can be pivotally pivoted (not shown) without providing the end fitting 7 so that the inner cylinder tip and the hook portion 2 can be stabilized. A gap is generated between the plate and the object of the invention can be sufficiently achieved.
In the drawings, the lock cylinder 10 is slidably fitted to the outer cylinder 1, but the object of the invention can be achieved even if it is not.
Moreover, a suspension ring can be provided in the lock cylinder 10 and the horizontal master rope can be suspended from the suspension ring. If it does in this way, the lock cylinder 10 can be reliably arrange | positioned in a lock position with the dead weight of a horizontal master rope.
[0007]
In the second aspect, the outer cylinder 1 and the inner cylinder 4 are formed as square pipes, and the same effect as the parent rope supporter according to the first aspect is obtained.
[0008]
A third aspect of the present invention is a rod provided with a base portion 5 at the front end instead of the inner cylinder 4 and a connecting portion at the rear end, and the parent rope supporter according to claim 1 or 2, There is a similar effect.
[0009]
In the fourth aspect, the inner cylinder 4 is made of an aluminum pipe and rod, and the same effect as the parent rope supporter according to the first to third aspects is obtained.
[0010]
The fifth aspect is that the inner cylinder 4 is made of a synthetic resin pipe and rod, and has the same effect as the parent rope supporter according to the first to third aspects.
[0011]
In the sixth aspect of the present invention, the base part 5 that is fitted to the front end of the hook part 21 is provided separately at the front end of the inner cylinder 4, and is similar to the parent rope supporter according to any one of the first to fifth aspects. There is an effect.
[0012]
As a combination other than the above, a combination in which the outer cylinder 1 is a round pipe and the inner cylinder 4 is a square pipe is possible. Conversely, the outer cylinder 1 may be a square pipe and the inner cylinder 4 may be a round pipe.
Further, the outer cylinder 1 can be a round pipe, and the inner cylinder 4 can be a square pipe and a square bar made of aluminum or synthetic resin. Further, it is possible to combine the outer cylinder 1 with a square pipe and the inner cylinder 4 with a round pipe and a round bar made of aluminum or synthetic resin.
Moreover, it is also possible to provide a reduction hole in the outer cylinder 1 and the inner cylinder 4 within a range where the strength does not decrease.
[0013]
4 and 5 are lower cross-sectional views of the parent rope supporter of the present invention, and FIG. 4 shows a state before latching, in which an end fitting 7 having a spring 6 disposed on the rear end of the inner cylinder 4 is slid. If the operation piece 9 is rotated as it is, the tip of the base portion 5 of the inner cylinder 4 is exactly on the stabilizer plate of the hook portion 2. It is a dimension which contacts.
FIG. 5 shows a state in which the inner cylinder 4 is slid down by the long hole of the end fitting 7 and the spring 6 is contracted while the operation piece 9 is rotated and a 9 mm iron plate is sandwiched.
Furthermore, the lock cylinder 10 is disposed and closed in the notch groove 11 to prevent the operation piece 9 from rotating.
[0014]
6 is an enlarged view of the upper portion of the support shown in FIG. 1. An iron plate made of H steel is sandwiched between the stabilizer and the base 5 while being hooked to the H steel, and the inner cylinder 4 is pushed downward. In the drawing, a state in which a 9 mm iron plate is sandwiched is shown. Therefore, even the iron plates having different thicknesses are constantly pressed by the tip of the base portion 5 of the inner cylinder 4 by the spring 6 and do not come off even if the master rope supporter shakes.
[0015]
FIG. 7 is an enlarged view of the lower part of the support shown in FIG. 1, in which the horizontal master rope R is inserted into the carabiner K fitted to the suspension ring portion.
[0016]
In FIG. 8, the base part 5 at the tip of the inner cylinder 4 fitted to the hook part tip 21 is provided separately. The inner cylinder and the outer cylinder can be made of a thin material, and a lightweight supporter is obtained. It can be done.
[0017]
FIG. 9 shows another embodiment of the hook part, and the hook part tip 21 is displaced from the center position of the outer cylinder 1, but the bending process of the hook part 2 can be reduced. Further, the base portion 5 is provided separately and can be fitted, and the effects of the invention are the same as those of the first embodiment.
[0018]
To attach the master rope supporter of the present invention, the lock cylinder 10 is lifted upward to release the lock, and the hook portion tip 21 is fitted into the H steel hole of the ceiling while holding the lower part while standing on the floor. To do. Subsequently, when the operation piece 9 is rotated downward, the inner cylinder 4 is pushed up, the base portion 5 at the tip portion is fitted to the tip portion 21 of the hook portion, and the steel plate of H steel is pressed. Subsequently, if the lock cylinder 10 is dropped by its own weight, the lock cylinder 10 is positioned in the notch groove 11 below the outer cylinder and closes the notch groove 11 to prevent the operation piece 9 from rotating, and the inner cylinder 4 slides. The base part 5 fitted to the hook part tip 21 cannot be removed.
Subsequently, the horizontal master rope R is suspended and installed on the hanging ring portion 3 by a carabiner K or the like.
[0019]
The horizontal master rope R installed by the master rope supporter of the present invention is arranged below the H steel facing the outer periphery where there is a high risk of falling during work such as outer wall mounting, etc. It is intended to secure safety during work by hooking a hook at the end of the lifeline of the belt.
Moreover, in the house with not only the outside but also the atrium, a horizontal master rope R is installed inside to prevent the fall from a high place.
[0020]
【The invention's effect】
As described above, since the parent rope supporter of the present invention does not use bolts and nuts, no installation / removal tool is required, and it can be installed in a hole in the H steel on the ceiling while standing on the floor. Removal is easy and possible in a short time.
Further, since it is not a bolt type as in the prior art, there is no reduction in strength due to thread notch or reduction in strength against lateral load.
In addition, since it is easy to mount and remove, there is no resistance to installation, and the horizontal master rope can be thoroughly installed even for short-time work such as outer wall mounting work.
In addition, a thorough installation of horizontal parent ropes can prevent crashes. In addition, accidents during installation can be prevented, and cost can be reduced by improving the installation workability.
Also, thorough installation can improve the workability of construction work with a sense of security. In addition, safety at the time of crash prevention can be improved.
[Brief description of the drawings]
FIG. 1 is a perspective view of an attached state of a master rope supporter according to the present invention.
FIG. 2 is a perspective view of the upper part of the master rope supporter of the present invention.
FIG. 3 is a perspective view of the lower part of the master rope supporter of the present invention.
FIG. 4 is a cross-sectional view of the lower part of the master rope supporter of the present invention.
FIG. 5 is a cross-sectional view of the lower part of the master rope supporter of the present invention.
6 is an enlarged perspective view of the upper part of FIG. 1. FIG.
7 is an enlarged perspective view of the lower part of FIG. 1. FIG.
FIG. 8 is a perspective view of a hook portion according to another embodiment.
FIG. 9 is a front view of a hook portion according to another embodiment.
FIG. 10 is a perspective view of a conventional product in an attached state.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Outer cylinder 2 Hook part 3 Suspension ring part 4 Inner cylinder 5 Cap part 6 Spring 7 End metal fitting 8 Connection plate 9 Operation piece
10 Lock cylinder
11 Notch groove
21 Hook end
31 Axis K Carabiner R

Claims (9)

A hook part 2 is provided at the front end of the outer cylinder 1, a notch groove 11 is provided at the rear end, a suspension ring part 3 is provided, the inner cylinder 4 is inserted into the outer cylinder 1, and a hook part is provided at the front end of the inner cylinder 4. A base portion 5 is provided to be fitted to the tip 21, an end fitting 7 is inserted into the rear end of the inner cylinder 4, and one end of the connecting plate 8 is pivotally fixed to the end fitting 7. A parent rope supporter characterized by having a structure in which an end is pivotally fixed to one end of an operation piece 9 that is rotatably provided on a fixed shaft 31 of the suspension ring portion 3. The master rope supporter according to claim 1, wherein the outer cylinder 1 and the inner cylinder 4 are square pipes. The parent rope supporter according to claim 1 or 2, wherein a base part (5) is provided at the front end instead of the inner cylinder (4), and a connecting part is provided at the rear end. 4. The parent rope supporter according to claim 1, wherein the inner cylinder 4 is an aluminum pipe and rod. 4. The parent rope supporter according to claim 1, wherein the inner cylinder 4 is a synthetic resin pipe and rod. 6. The parent rope supporter according to claim 1, wherein a cap portion 5 fitted to the hook portion tip 21 is provided separately at a tip end of the inner cylinder 4. The end metal fitting (7) is inserted into the rear end of the inner cylinder (4), a spring (6) is arranged at the rear end of the inner cylinder (4), and the end metal fitting (7) is inserted slidably. The master rope supporter according to any one of claims 1 to 6. The parent rope supporter according to any one of claims 1 to 6, wherein one end of the connecting plate (8) is pivotally fixed directly to the rear end of the inner cylinder (4). 9. The master rope supporter according to claim 1, wherein the lock cylinder is slidably fitted to the outer cylinder.

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