JPH0133718Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention is a gondola suspension rope fixing device for fixing a rope from which something such as a gondola is suspended to a protrusion such as a parapet on the roof of a building. Regarding.

[Prior art]

Generally, when hanging something such as a gondola on the outer wall of a building for the purpose of cleaning windows or repairing the outer wall, the parapet 1 of the building is hung as shown in Figure 4.
While installing the metal fitting 12 on the parapet 1
A method of attaching a fixing fitting 14 to the other parapet 10' opposite to the parapet 10, and tying the other end of the rope 11 to which the gondola 13 is connected to one end to the fixing fitting 14 via the fitting 12, thereby suspending the rope. is taken.

Conventionally, the fixture 14 used in such a hanging method has a U-shape as shown in FIG. 4, and is simply secured to the parapet 10'. For this reason, this conventional fixture 14
, when the rope is pulled upward at an angle, the upward force causes the fixing bracket 1 to
There was a drawback that 4 could be missed.
In particular, this tendency was remarkable because the smaller the distance between both parapets, the greater the upward inclination of the rope. In addition, this fixing metal fitting 14
In order to accommodate various thicknesses of the parapet 10', its inner width is set to be larger than the thickness of the parapet. For this reason, as shown in Figure 5, once the gondola is lowered to the ground and the rope is loosened, the U-shaped fixing bracket 1
4 is tilted, and then when the rope is pulled to lift the gondola, there is a risk that the tilted U-shaped fixing fitting 14 may come off.

[Purpose of invention]

This idea was made in view of the above circumstances, and is a gondola suspension rope fixing device that can be securely and easily fixed to multiple types of parapets of different thickness without falling off or tilting. The purpose is to provide.

[Structure of the idea]

In order to achieve the above object, this invention includes a main body consisting of a rod-shaped part and a clamping part provided at one end of the rod-shaped part so as to protrude in a direction perpendicular to the longitudinal direction of the rod-shaped part; A central part is rotatably attached to the rod-shaped part, and has a clamping part for clamping the protruding part of the building together with the directional clamping part at one end opposite to the clamping part of the main body, The structure includes a rod-shaped link having a connecting part to which the rope is tied at the other end, and a biasing means for biasing the clamping part of the link in the direction of the clamping part of the main body, and When no tension is applied, the protrusion of the structure is held between a pair of opposing clamping parts due to the pressing force of the urging means, and when tension is applied to the rope, this tension and the pressing force of the urging means are used. The protruding portion is held by the holding portion by the pressing force.

〔Example〕

1 to 3 are diagrams showing one embodiment of this invention.

In these figures, reference numeral 1 indicates a main body made of a square pipe. The main body 1 is composed of a rod-shaped portion 1a and a clamping portion 1b protruding from one end of the rod-shaped portion 1a in a direction perpendicular to the longitudinal direction of the rod-shaped portion 1a. There are reinforcing plates 1 on both sides of the L-shaped bent part of the main body 1.
c and 1c are attached, and an L-shaped reinforcing plate 1d is attached to the inside of the L-shaped bent part of the main body 1 from the rod-shaped part 1a to the clamping part 1b, and reinforcing plates are attached to both sides of the rod-shaped part 1a. 1e, 1e are attached. Further, from one reinforcing plate 1e to the rod-shaped part 1
A plurality of positioning holes 1f passing through a and extending to the other reinforcing plate 1e are formed spaced apart from each other in the longitudinal direction of the rod-shaped portion 1a. A support frame 2 is attached to the rod-shaped portion 1a so as to be freely movable in the longitudinal direction. A frame fixing hole 2a with the same diameter as the positioning hole 1f is formed on one side of the support frame 2, and a frame fixing hole 2a with a smaller diameter than the frame fixing hole 2a is formed on the other side at a position where the center axis coincides with the frame fixing hole 2a. A frame fixing small hole 2b is formed.
The support frame 2 is detachably attached to an arbitrary positioning hole 1f by a bolt 3 and a nut 31 passing through the frame fixing hole 2a, the positioning hole 1f, and the frame fixing small hole 2b. The bolt 3 includes a shaft portion 3a having the same diameter as the frame fixing hole 2a, and a male threaded portion 3b having a smaller diameter than the shaft portion 3a and the same diameter as the frame fixing small hole 2b. There is an annular stepped portion 3c between
is formed. Therefore, the support frame 2
When the nuts 31 are tightened onto the bolts 3 when fixing the support frame, the side wall of the support frame will align with the stepped portion 3.
c, it becomes impossible to tighten the nut 31 any further, and as a result, the nut 31
This prevents the frame 2 from being crushed due to excessive tightening. In addition, Natsuto 31
is fixed together with the male threaded portion 3b by the split pin 32, so it will not loosen.

Further, on both sides of the support frame 2, shafts 4,
4 is attached so as to protrude outward. The center portions of rod-shaped links 5, 5 are rotatably attached to these shafts 4, 4, respectively. A shaft 6 is fixed to one end of the links 5, 5 facing the clamping portion 1b of the main body 1 so as to span between the two links 5, 5. A clamping body (clamping part) 8 for clamping the parapet 10' is rotatably attached to the shaft 6. The clamping body 8 is a clamping body main body 8a rotatably attached to the shaft 6.
and a pressing part 8b made of a material such as rubber that is elastic and has a large coefficient of friction and fixed to the clamping body 8a.
It is composed of.

On the other hand, a shaft 7 is fixed to the other end of the links 5, 5 so as to span between the five links. A rope 11 is tied to the shaft 7.
Further, a helical spring 9 is provided between the support frame 2 and the link 5 to bias the clamping member 8 toward the clamping portion 1b of the main body 1.

Therefore, when attaching the gondola suspension rope fixing device having the above configuration to the parapet 10',
The support frame 2 is fixed with bolts 3 in appropriate positioning holes 1f depending on the thickness of the parapet 10'.
Next, the clamping body 8 facing the clamping part 1b is pushed out against the force of the helical spring 9, and the clamping part 1b of the main body 1 is expanded.
and parapet 10' inside the L-shaped bent part.
The clamping body 8 is pressed against the parapet 10' by the force of the helical spring 9 while the clamping body 8 is in contact with the parapet 10', and the parapet 10' is clamped by the clamping part 1b and the clamping body 8. This allows the fixing device to be attached to parapet 1.
Fixed at 0'. After that, when tension is applied to the rope 11 by lifting an object such as a gondola with the rope 11, this tension is applied to the clamping body 8 by the link 5.
As a result, the clamping body 8 is strongly pressed against the parapet 10'. Therefore, the device of the present invention firmly clamps the parapet 10' and is even more firmly fixed to the parapet 10'.

In the gondola suspension rope fixing device of the present invention, since the link 5 is rotatably attached to the support frame 2, the distance between the opposing clamping portion 1b and the clamping body 8 can be changed. Therefore, the device according to the invention can accommodate parapets 10 of different thicknesses.
It can also be fixed against ゜. In particular, in this embodiment, the support frame 2 can be fixed to the rod-like body 1a with the bolts 3 so that its position can be changed, so that the device can be fixed to parapets of various plate thicknesses in a wider range. be able to.

Also, the tension applied to the rope 11 is
In order to press the clamping body 8 in the direction of the opposing clamping part 1b, an object such as a gondola is suspended from the rope 11, and the stronger the tension is applied, the stronger the clamping body 8 is pressed against the parapet 10'. ,
The device according to the invention can be firmly fixed to the parapet 10'.

Furthermore, the clamping body 8 is connected to the link 5 and the support frame 2.
The device of the present invention does not fall off even when no tension is applied to the rope 11 because it is biased in the direction of the opposing clamping portion 1b by the helical spring 9 provided between the It can be held on the parapet 10' without tilting or tilting.

In the above embodiment, a helical spring 9 is tensioned between the link 5 and the support frame 2 in order to bias the clamping body 8 in the direction of the clamping part 1b. It may be stretched between the link 5 and the support frame 2. Further, in the above embodiment, the clamping body 8 is provided separately and rotatably at one end of the link 5, and the parapet 10' is clamped at this part, but the clamping body 8 is not provided and the corresponding end of the link 5 may be used as a holding part.

[Effect of idea]

As explained above, according to this invention, there is an L-shaped main body having a rod-like part at one end and a clamping part at the other end, and a center part is rotatably attached to the main body rod-like part, and the central part is rotatably attached to the main body rod-like part. A rod-shaped rod having a clamping part for clamping the protruding part of the building together with the clamping part of the main body at one end facing the clamping part of the main body, and a connecting part to which the rope is tied to the other end. and a biasing means for biasing the clamping part of the link in the direction of the clamping part of the main body, so that it does not fall off or fall off against multiple types of parapets with different thicknesses. Reliably, without tilting.
The effect is that it can be easily fixed.

[Brief explanation of the drawing]

1 to 3 show an embodiment of this invention, in which FIG. 1 is a side view, FIG. 2 is a sectional view taken along the - line in FIG. This is a perspective view. Figures 4 and 5 show how conventional rope fixing fittings are used, with Figure 4 showing a gondola suspended from the roof of a building with a rope, and Figure 5
The figure shows a state in which the tension of the rope has loosened as the gondola has been lowered to the ground. 1... Main body, 1a... Rod-shaped part, 1b... Clamping part, 1f... Positioning hole, 2... Support frame,
3... Bolt, 4... Axis, 5... Link, 6...
Shaft, 7...shaft, 8... clamping body (clamping part), 9...
Helical spring, 10, 10'... Parapet, 1
1... rope, 13... gondola.

Claims (1)

[Scope of utility model registration request] A gondola suspension rope fixing device that is fixed to a protruding part of a building and used to hang a gondola, etc. from a building by tying the other end of the rope to one end. and a main body consisting of a clamping part provided at one end of this rod-like part so as to protrude in a direction perpendicular to the longitudinal direction thereof, and a central part rotatably attached to the rod-like part of this main body, A rod having a clamping part for clamping the protruding part of the building together with the clamping part of the main body at one end opposite to the clamping part of the main body, and a connecting part to which the rope is tied to the other end. A rope fixing device for suspending a gondola, comprising a shaped link and biasing means for biasing the clamping part of the link in the direction of the clamping part of the main body.