JPH0713355U - Parent rope support device - Google Patents

Abstract

(57) [Summary] [Purpose] The main rope support member on the upper part of the pillar has a slit through which the hook at the end of the child rope can pass, which allows the pillar to pass without changing the hook and to the next span. Make it easy to move. [Structure] A cylindrical support body 12 through which a master rope 13 can be inserted from the side, and a column 11 in which the support body 12 is laterally provided at an upper end portion.
The device is constructed from The slit 2 that allows passage of the hook 23 at the end of the rope to the upper portion or one side portion of the support body 12.
4 is provided in the longitudinal direction. Guides 25 for the hooks 23 are formed at both ends of the slit 24.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a support device for a master rope that is laterally provided on a work scaffold such as a construction site.

[0002]

[Prior art]

 As shown in FIG. 7, tensioning of the master rope used for work scaffolding in aerial work is performed by attaching the master rope 4 to the top support plate 3 of the support columns 2 attached to the outer edge of the scaffold plate 1 at regular intervals. Are hooked using hooks 5, or the ends are formed into loops 6 and attached. A hook 8 of a child rope 7 that is being lowered by a worker is loosely hooked to the parent rope 4, and the child rope 7 and the parent rope 4 do not restrain the lateral movement of the rope, so that work at a high place can be performed. I can do it safely.

[0003]

[Problems to be solved by the device]

 In such conventional parent rope support, since the parent rope is stretched for each strut, the range in which workers can move freely is limited to one span between the strut, and it is necessary to move materials next to each other. When it became necessary to go to the next span, there was the inconvenience of having to switch the hook of the child rope to the parent rope of the adjacent span at the boundary strut.

The present invention was conceived in order to solve the above-mentioned conventional problems, and an object thereof is to support a strut without changing hooks even when movement during work spans a plurality of spans. It is an object of the present invention to provide a master rope supporting device having a new structure that can be passed and moved to the adjacent span, and can be easily operated by a worker when passing through with one hand.

[0005]

[Means for Solving the Problems]

 The feature of the present invention for the above-mentioned object is that the device is composed of a tubular support body through which the main rope can be inserted from the side and a support column provided at the upper end of the support body. Slits are provided in the longitudinal direction in the side portions to allow passage of hooks at the ends of the child rope, and hook guides are formed at both ends of the slits.

Further, in the present invention, a slit that allows passage of a hook at a child rope end is provided in one side of the support body in the longitudinal direction, and guides of the hook are formed at both ends of the slit, and a slit surface is formed. It is also characterized in that a plurality of movable members that partially close the main line and prevent the parent rope from coming off are provided side by side with a return spring on the side of the support body so as to be swingable side by side.

[0007]

[Work]

 In the above structure, the master rope can be inserted from the lateral side into the support main body at the upper end of the supporting column and stretched over each supporting column at the intermediate position. The hook at the end of the child rope hung on the master rope can be artificially turned around at the supporting body and inserted into the slit from the guide, passing through the supporting body and moving to the master rope of the next span. Therefore, it is not necessary to change each span.

When the slit surface of the side portion is partially blocked by a plurality of movable members, the movable member is sequentially laid down by a hook passing through the slit, and the slit surface is partially blocked again after passing through the hooks. Therefore, even if a large amount of lateral pulling force acts on the master rope, the master rope will not come off from the slit.

[0009]

【Example】

 1 to 3 (A) and (B) show a first embodiment of the present invention, in which 11 is a prop for supporting a master rope having a quadrangular cross section, and 12 is laterally provided at the upper end of the prop 11. It is a main body for supporting the master rope 13. The lower portion of the column 11 is configured as a vise-type mounting portion by a pair of tightening screws 14, and a horizontally long seat plate 15 of the support body 12 is fixed to the upper end by protruding both ends to the left and right. An annular receiving seat 16 made of an elastic material is provided on both end faces of the seat plate 15, and a dome-shaped positioning member 17 having elasticity is provided in the center portion so as to project. A set hole 18 is formed in the part.

The support body 12 has a convex front shape formed on the support portion 19 of the master rope 13 by extending the lower half of a rectangular tubular body having both ends open to the left and right. At the center of the rope supporting portion 19, a supporting roller 20 of the parent rope 13 is rotatably supported by a bearing 22 formed integrally with the lower portion of a V-shaped inclined plate 21.

A slit 24 that allows passage of the hook 23 at the end of the rope is provided in the longitudinal direction at the center of the plate body above the support body 12. Both ends of this slit 24 are formed in a guide space 25 that widens toward the corners of the plate body, and a fitting hole 26 for the positioning member 17 is formed in the center of the lower plate body, and on both sides of the guide hole 25. A set pin 27 that fits in the set hole 18 is provided.

Reference numeral 28 denotes a frame body for fixing the support body 12 to the support column 11, which is horizontally attached to the lower end of the connection plate 29 vertically extending to one side of the lower plate body and is positioned directly below the support body 12. is there. This fixed frame body 28 is formed by axially fixing one side 28a of a frame member of four sides surrounding the support 11 as an opening / closing side, and after fitting the opening / closing side 28a to the side part of the support, the opening / closing side The support body 12 is fixed to the column side portion by closing 28a and fixing the tip end portion to another frame member with the pin 30.

In the above configuration, the support 11 is attached to the scaffolding plate 31 by the lower mounting portion, then the supporting body 12 is set on the seat plate 15 above the support, and the fixed frame 28 is attached around the support. Thus, the support main body 12 can be installed horizontally on the support column, and after the support main body 12 is installed horizontally, the main rope 13 can be inserted into the inside of the support main body 12 from the one opening end on the side to the other and supported. it can. Such a master rope supporting device is provided only on the pillars 11 at the middle portion of the scaffold, and the master rope is attached to the pillars at both ends by using hooks as shown in FIG.

The master rope 13 inserted into the support body 12 has a size such that the width of the slit 24 provided at the upper portion allows passage of the hook 23 at the end of the child rope having a smaller thickness than the diameter of the master rope 13. Therefore, even if the main rope 13 is strongly pulled upward, it does not come off from the support body 12 through the slit 14.

Further, when the worker moves to the next span, the hook 23 hanging from the master rope 13 by its own weight is raised by hand, and the direction of the hook 23 is changed to the master rope as shown in FIG. 3 (A). It suffices if the hook 23 is inserted as it is into the guide space 25 along the line 13, so that the hook 23 comes out of the guide space 25 on the opposite side through the slit 24 as shown in FIG. 3 (B). This allows the hooks 23 to pass through even though the master rope 13 is supported by the support body 12, and the worker can move to the next span without changing the hooks 23.

The embodiment shown in FIGS. 4 to 6 shows a case in which the slit 24 for passage is provided laterally on the inner side surface of the support body 12. The slit 24 of this embodiment is provided in parallel with the upper edge of the main rope support portion 19, and the upper edges of the support portions at both ends of the slit are used as guides 25a so that the hook 23 can be inserted into the slit 24.

As a means for preventing the parent rope 13 from coming off from the slit 24, a pair of vertically elongated movable members 32 that partially close the slit surface are swayed left and right on the inner surface of the support body 12 with a required space. It is movably vertically and in parallel. A return spring 33 and a stopper 34 formed by a protrusion and a recess act on the movable member 32. The return spring 33 keeps the movable member 32 in an upright position and closes the slit surface. When it is pushed by the hook 23 which is inserted sideways, it tilts about the lower support shaft 35 as a fulcrum, as shown by the chain line in FIG. However, when the pressing force is removed by the passage of the hook 23, it rises due to the spring pressure and closes the slit surface again as shown by the solid line.

Therefore, when the worker moves to the adjacent span, the hook 23 hanging from the master rope 13 is held in the hand and laid sideways, and the direction of the hook 23 is aligned with the master rope 13 to guide the guide 25a. The hook 23 passes through the support main body 12 while pushing the movable member 32 away from the support body 12 and moving the hook 23 as it is.

Although the support body 12 of each of the above-described embodiments is formed by a rectangular tube having a quadrangular cross section, the cross section may be a cylindrical shape or a composite shape of both. Further, when the slit 24 is provided on the upper portion, the support portions 19 at both ends of the support body 12 may be omitted and the support roller 20 may be provided in the support body.

Further, since the mounting to the support 11 can also be directly fixed to the seat plate by bolts or the like, the present invention is not particularly limited to the structure described in the embodiment.

[0021]

[Effect of device]

 In this invention, a master rope support device is composed of a cylindrical support body 12 through which the master rope 13 can be inserted from the side, and a column 11 having the support body 12 horizontally provided at the upper end thereof. The slit 24 that allows passage of the hook 23 at the end of the child rope is provided in the upper part or one side, and the guides 25 of the hook 23 are formed at both ends of the slit 24. Is played.

Since the master rope is inserted into the support body and supported on the upper part of the support pillar, hooks and other metal fittings for attaching the master rope to the support pillar are not required. Even if the slit for passing the hook is open, the opening due to the slit is limited, so that even if a tensile force from the side acts on the master rope, the master rope is likely to come off from the slit. There is no such thing.

Since the slit allows the hook to pass while hanging on the main rope, it is safe because the worker does not need to change the hook when moving to the next span, and it is safe. Even when passing, simply by turning the hook vertically or horizontally with one hand and moving the hook along the main rope, smooth operation can be performed without complicated operations, so work efficiency at high places can be improved. improves.

In addition, a plurality of movable members 32 that partially close the slit surface of the slit 24 provided on one side of the support body 12 to prevent the parent rope 13 from coming off are returned to the side surface of the support body 12. When the spring 33 is provided so as to be swingably arranged side by side, the opening of the slit is always closed by the movable member, so that even if the slit is on the side surface, the master rope is disengaged from the opening of the slit by an external force. There is no such thing. Moreover, since the movable member is pushed away by the hook, it does not obstruct the passage of the hook and has an advantage that the hook can be smoothly passed in either direction.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a master rope supporting apparatus according to a first embodiment of the present invention before a supporting body is set.

[FIG. 2] (A) is an external view of a part of a vertical cross section when a supporting body is set on a column attached to a scaffold plate, and (B) is a side view thereof.

3 (A) and 3 (B) are schematic plan views of a main part showing the passing state of the hook in order.

FIG. 4 is an exploded perspective view before a support body is set in a second embodiment.

FIG. 5 is an inner side view of a support body on a column.

FIG. 6 is a partial internal side view of the support body showing the operation of the movable member.

FIG. 7 is an explanatory diagram showing a conventional supporting state of a master rope.

[Explanation of symbols]

 11 Struts 12 Support Main Body 13 Parent Line 15 Seat Plate 23 Hook at End of Child Line 24 Slit 25 Guide Space 25a Guide Edge

Claims (2)

[Scope of utility model registration request] 1. A tubular support body into which a master rope can be inserted from the side, and a support column having the support body provided laterally on an upper end thereof.
A master rope support characterized in that a slit that allows passage of a hook at the end of the rope is provided in the upper part or one side of the support body in the longitudinal direction, and guides for the hook are formed at both ends of the slit. apparatus. 2. A tubular support main body into which a master rope can be inserted from the side, and a support column having the support main body laterally provided at the upper end thereof.
A slit that allows passage of a hook at the end of the child rope is provided in one side portion of the support body in the longitudinal direction, guides of the hook are formed at both ends of the slit, and the slit surface is partially closed to form a master rope. A master rope supporting device, wherein a plurality of movable members for preventing detachment of the rope are provided side by side on a side surface of a supporting body so as to be swingably arranged side by side.