JP2592733Y2 - Lifeline mounting device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifeline mounting device for fixing a base end of a lifeline used for securing safety of a worker working on a roof to an immovable portion of a building.

[0002]

2. Description of the Related Art When a roof of a building is constructed, repaired, expanded, or the like, a lifeline is used to ensure the safety of workers performing the work. One end of this type of lifeline is telescopically attached to a dedicated band or the like that is fastened to a worker's waist, and the other end is fixed to an immovable part of a building such as an eaves. In order to fix the other end of the lifeline to an immovable portion of a building such as an eaves, a lifeline mounting device is used. Conventionally, such a device for attaching a lifeline has been disclosed in, for example, Japanese Utility Model Publication No. 60-252.
There is one disclosed in JP-A-67. As shown in FIG. 4, the attachment device for the lifeline includes an upper arm 51 which is placed along a slope on the upper surface of the roof of the eaves,
A U-shaped frame 5 integrally formed with a hanging arm 52 extending downward from one end of the first arm 1 and a lower arm 53 projecting obliquely downward from the lower end of the hanging arm 52 toward the building.
And a pinching arm 54 formed of a long plate slidably provided on the lower arm 53 as a skeleton.

[0003] A tension spring 55 is provided between the hanging arm 52 and the sandwiching arm 54, and a U-shaped frame 50 is provided.
Is provided at the lower edge of the other end of the upper arm 51.
6, and after being positioned at the eaves with a substantially L-shaped abutment plate 57 provided in the middle of the lower edge of the upper arm 51, by the tensile force of the tension spring 55, the abutment plate 56 and the abutment plate 57; The eaves are fixed between the eaves by sandwiching the eaves with a contact plate 58 provided at the sliding end of the sandwiching arm 54. Further, a base end 59a of a connection rope 59 is attached to the sandwiching arm 54. This connection rope 59
Is guided to the other end of the upper arm 51 via a guide ring 60 provided on the hanging arm 52. Then, the other end of the lifeline described above is attached to the free end 59b of the connection rope 59, and the lifeline is used.

[0004]

However, in the conventional lifeline mounting device, an abutment plate 57 for positioning with respect to the eaves is provided in the middle of the upper arm 51 and the hanging arm 5 is provided.
2 to avoid gutters and the like provided below the eaves when the device is mounted on the eaves. In recent years, gutters and the like have been It may be formed to protrude above the eaves,
There has been a problem that the upper arm hits a gutter or the like that protrudes upward, which hinders attachment and detachment of the U-shaped frame.

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an object of the present invention is to provide a lifeline mounting device which can be attached to or removed from an eave without any obstacle even if there is one protruding above an eave. And

[0006]

In order to achieve the above object, a lifeline mounting device according to the present invention extends in a substantially horizontal direction, is arranged along the top surface of a roof, and is provided at the lower edge of the middle part with the tip of an eave. Upper arm 2 with abutting plate 7
A hanging arm 3 extending downward from one end 2a of the upper arm 2;
U-shaped frame 1 integrally formed with a lower arm 4 projecting toward the other end 2b of the lower arm 4; and a pinching arm 5 pivotally attached to an end of the lower arm 4 and slidable toward the hanging arm 3 side. When,
A base end 16a is engaged with the sliding portion of the pinching arm 5, is guided from the hanging arm 3 to the other end 2b side of the upper arm 2 along the shape of the U-shaped frame 1, and has a free end 16a.
b is provided with a connecting rope 16 to which a lifeline is attached, and a height adjusting member 26 attached to the abutment plate 7 for applying a predetermined height between the upper arm 2 and the roof upper surface. .

[0007]

The upper arm 2 constituting the U-shaped frame 1 has a height adjusting member 26 attached to an abutment plate 7 provided at a lower edge in the middle of the U-shaped frame 1, and is provided between the upper arm 2 and the roof upper surface. The U-shaped frame 1 is installed at the eaves, avoiding an object having a height of about one minute and protruding above the eaves.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a side view showing an embodiment of a lifeline attaching device according to the present invention, and FIG. 2 is a perspective view of the same. Figure 1
As shown in FIG. 2, the lifeline attaching device according to this embodiment has a U-shaped frame 1 and a sandwiching arm 5 as a skeleton. The U-shaped frame 1 is integrally formed by an upper arm 2, a hanging arm 3, and a lower arm 4 each formed in a long plate shape. The upper arm 2 is a long plate extending in a substantially horizontal direction and having a substantially U-shaped cross section. The upper arm 2 is placed such that the opening is directed to the side and the longitudinal direction is along the slope of the roof upper surface of the eaves. The hanging arm 3 is formed to extend below one end 2 a of the upper arm 2. The lower arm 4 is formed to project obliquely downward from the lower end of the hanging arm 3 toward the other end 2 b of the upper arm 2.

At the lower edge of the other end 2b of the upper arm 2, a rectangular contact plate 6 is provided with its one surface facing downward and its longitudinal direction orthogonal to the upper arm 2. Also,
An abutment plate 7 having a substantially L-shaped cross section extending in the depth direction in FIG. 1 is provided on the lower edge of the middle part of the upper arm 2 with its inner two surfaces facing downward and the other end 2b side of the upper arm 2, respectively. Has been established. Further, rubber cushions 8 and 8 as non-slip are spread on one surface of the contact plate 6 and two surfaces inside the abutment plate 7, respectively. Below the horizontal piece of the abutment plate 7, a height adjusting member 26 extending in the same direction as the abutment plate 7 and having a height H not exceeding the vertical piece of the abutment plate 7 is provided with a spring. It is detachably attached by means such as a hook having a property. A rubber cushion 27 as a non-slip is spread on the bottom of the height adjusting member 26.

On the other hand, ring-shaped guide rings 9, 9 are provided at the other end 2b of the upper arm 2 and the upper edge of the middle part, and ring-shaped guide rings 9 are provided at the upper and lower positions on the side surface of the hanging arm 3, respectively. Guide rings 11a and 11b are provided. A stopper 10 is provided between the guide rings 9 and 9. The stopper 10 has a connecting rope 16 to be described later.
Is penetrated. The stopper 10 is configured to lock the connection rope 16 penetrated in the normal state, and to be able to pull out the connection rope 16 only in the roof side direction (the direction of the arrow A in FIG. 1). By releasing the stopper 10, the locked state of the connection rope 16 can be released.

Next, as shown in FIGS. 1 and 2, the pinching arm 5 is formed in a long plate shape, and its base end 5a is
And is slidably provided on the side of the hanging arm 3. This pivoting portion is provided with a positioning hole 12 in which a plurality of hook-shaped slits are continuously formed in the sandwiching arm 5, and the positioning hole 12 is formed by a shaft 13 formed by a bolt or the like provided in the lower arm 4. The sliding radius of the free end 5b of the pinching arm 5 can be changed. Also, a shaft 13 provided on the lower arm 4 is provided.
Since a plurality of (two in FIG. 1) mounting holes 14 are provided, the position of the shaft portion 13 can be changed to change the position of the sliding center of the sandwiching arm 5. The free end 5b of the pinching arm 5 is provided with a contact plate 15 extending in the depth direction in FIG. 1 and having an arc-shaped cross section. This plate 15
The free end 5b of the holding arm 5 is pivotally connected to the holding arm 5 so as to be slidable in the same direction. Further, a rubber cushion 8 as a non-slip is spread on the upper surface of the contact plate 15.

A base end 16a of the connecting rope 16 is fixed near the free end 5b of the pinch arm 5.
The connecting rope 16 passes through guide rings 11 a and 11 b provided on the hanging arm 3, guide rings 9 and 9 provided on the upper arm 2, and a stopper 10 between the guide rings 9 and 9 to connect the other ends of the upper arm 2. It is guided toward the end 2b, that is, toward the building. Here, of the two guide rings 11a and 11b provided on the hanging arm 3, the lower guide ring 11b has a plurality of mounting holes 17 movable in the vertical direction (three in FIG. 1).
Since it is provided, it is possible to change the position of the guide ring 11b and change the way of guiding the connection rope 16 with the change of the sliding center of the sandwiching arm 5 described above.

As shown in FIG. 3, in order to attach the above-described lifeline attaching device to the eaves, the holding plate 5 is lowered, as shown by the dashed line in FIG. Is brought into contact with the tip of the eave and the U-shaped frame 1 is positioned at the tip of the eave, and then the free end 16b of the connection rope 16 is pulled toward the roof (in the direction of arrow A in FIG. 3) and the pinch arm 5 is slid. The eaves are sandwiched between the abutment plate 6 and the abutment plate 7 and the abutment plate 15. Further, since the connection rope 16 is locked by the stopper 10 and does not return in the direction of the eaves, the holding state is maintained and the present apparatus is attached to the eaves. Here, when attaching the lifeline attachment device to the eaves, if the gutter 30 or the like attached to the eaves protrudes above the eaves, the height adjustment member 26 is attached to the lower side of the horizontal piece of the abutment plate 7. The upper arm 2 is
The upper arm 6 is inclined with the upper arm 6 placed between the upper arm 2 and the upper end of the upper arm 2. Therefore, it becomes possible to attach the lifeline attaching device to the eaves, avoiding the gutter 30 protruding above the eaves. And the connection rope 16
The lifeline is used by connecting the lifeline to the free end 16b.

Therefore, in the lifeline mounting device configured as described above, the height adjusting member 26 can be removably mounted below the horizontal piece of the abutment plate 7 which is in contact with the tip of the eave. Accordingly, even when the gutter 30 or the like projects above the eaves, the gutter 30 can be attached to and detached from the eaves without hindrance by avoiding the gutter 30.

Although the above-mentioned lifeline attaching device has been described as a device for fixing to the eaves, a structure for retaining the connecting rope 16 pulled out by the stopper 10 has been described.
The means for fixing to the eaves tip is not limited to this. For example, a structure having a tension spring between the sliding portion of the sandwiching arm 5 and the hanging arm 3 may be used. By attaching 26, the same effect as in the above-described embodiment can be obtained.

[0016]

[Effect of the Invention] As described above, the lifeline mounting device according to the present invention is mounted on the upper arm arranged along the roof upper surface, and abuts the tip of the eave to position the U-shaped frame at the eaves tip. Equipped with a height adjustment member with a predetermined height below the abutment plate, even if there is something that overhangs the eaves, it can be attached to and removed from the eaves without hindrance by avoiding the overhanging part. can do.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a lifeline mounting device according to the present invention.

FIG. 2 is a perspective view showing an embodiment of a lifeline attaching device according to the present invention.

FIG. 3 is a side view showing a use state of the lifeline attaching device according to the present invention.

FIG. 4 is a side view showing a conventional lifeline mounting device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... U-shaped frame, 2 ... Upper arm, 2a ... One end of an upper arm, 2b ... The other end of an upper arm, 3 ... Hanging arm, 4 ... Lower arm, 5 ... Nipping arm, 7 ... Impact plate, 16 ... Connection Rope, 16a: Base end of connection rope, 26: Height adjusting member.

Claims (1)

(57) [Scope of request for utility model registration] 1. An upper arm (2) extending substantially horizontally, arranged along the roof top surface, and having an abutment plate (7) at the lower edge of the middle thereof in contact with the tip of the eaves. A hanging arm (3) extending downward from one end (2a) of the upper arm and a lower arm (4) projecting from the lower end of the hanging arm to the other end (2b) of the upper arm are integrally formed. A U-shaped frame (1), a pinch arm (5) pivotally attached to an end of the lower arm and slidable toward the hanging arm, and a base end (16a) associated with a sliding portion of the pinch arm. A connecting rope (16), which is guided from the hanging arm to the other end of the upper arm along the shape of the U-shaped frame and has a free end (16b) to which a lifeline is attached; With a predetermined height between the upper arm and the roof top. And a height adjusting member (26).