JPH0635054Y2 - Scaffolding equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to a scaffolding device suitable for being used as a support member for an erection work floor to be assembled for construction, a worker passage, materials / parts and the like.

<Conventional technology> Conventionally, when building a building, the ground has been dug over a wide area in order to provide a basement, but for this purpose, a large number of metal piles are driven into the ground and covered over it. The deck is placed, and the digging machine and the truck for carrying out are placed on the deck, and the digging is carried out sequentially.
It is common practice to assemble support members such as a worker passage for performing the work, a work floor for erection, or materials / parts in order to safely place the covering plate.

Further, as the scaffolding device, a scaffolding floor member is formed by using a steel material, and a frame for preventing falling is attached, for example, Japanese Utility Model Publication No. 47-18932, Japanese Utility Model Publication No. 46-10113, and Japanese Utility Model Publication No. 62-110438. Known by.

<Problems to be solved by the invention> By the way, with conventional support members that are assembled on site, it takes time and labor because the worker assembles a large number of single pipes using a large number of fixed clamps to support the scaffolding plate. There were drawbacks such as a large labor cost for securing personnel.

Further, the conventional scaffolding device in which a scaffolding floor member is formed of steel and a fall prevention frame is mounted has a complicated structure, and there is a drawback that scaffolding cannot be easily formed.

The present invention solves the above problems, and an object thereof is to obtain a scaffolding device which can be easily attached and detached in whole or in part depending on the work process and is convenient to use. It was done.

<< Means for Solving the Problems >> This invention for achieving the above-mentioned object is to bend the upper and lower edges of the U-shaped cross section inward, and to erect the standing surface 1 and the horizontal planes 2 and 2 vertically.
And two parallel steel members 4, 4 provided with inward folding curved surfaces 3, 3 are arranged side by side and several L-shaped steel members 5, 5 ... One upper surface 6 and two parallel steel members 4, 4 A rectangular base material frame 7 is formed by welding with an upper surface that is flush with the horizontal planes 2, 2 located above, and a porous plate 8 such as a lath plate is formed on the upper surface of the rectangular base material frame 7. Scaffolding floor member by attaching hanging members 11, 11, 11, 11 which are welded through several welded portions 9, 9 ... and provided with hanging retaining portions 10 such as retaining holes at four locations. 12 are formed on the ground 14 and a large number of metal piles 15, 15 ... Are provided with projecting pieces 16, 16 ..., and the scaffolding floor member 12 is mounted on the projecting pieces 16, 16. In the case where it is installed upright and the fall prevention frame 13 is detachably attached to the periphery of the scaffolding floor member 12, large insertion holes 17,17 are formed in the horizontal planes 2,2 of the two parallel steel members 4,4. ... and small insertion holes 18,18 on the inward folding curved surfaces 3,3 located below the large insertion holes 17,17. -
And the fall prevention frame 13 is a standing pipe 25, 25 ...
.. and short handrail pipes 26, 26 ... and handrail pipe bodies 27, 27 ..
., And nuts 24, 24 ... Further, the standing pipe body 25 further includes an upper screw rod 21 having upper and lower steps 20 above and below the standing pipe 19 and a lower screw rod 23 having a lower step portion 22. When the standing pipe 19 is attached and the standing pipe 19 is erected, the standing pipe 19 is inserted into the large insertion hole 17, the lower screw rod 23 is inserted into the small insertion hole 18, and the lower step portion 22 is placed on the horizontal surface 2 located below. The standing pipe 19 is erected by screwing the nut 24 into the screw rod 23 and tightening the nut 24, and the handrail short pipe body 26 has the first screw rod holes 29 into which the upper screw rods 21 are inserted at both ends of the handrail short pipe 28. 29
And the upper screw rods 21, 21 provided on the standing pipe bodies 25, 25 are inserted into the first screw rod holes 29, 29 and are supported by the upper step portions 20, 20 and placed on the standing pipe bodies 25, 25. Further, the long handrail pipe 27 is a second screw rod hole into which the upper screw rod 21 is inserted at both ends and the middle of the long handrail pipe 30.
31, 31 and central screw holes 32, 32 ...
The upper screw rods 21, 21 ... Provided in 5 are inserted into the second screw rod holes 31, 31 and the central screw rod holes 32.
.. is screwed and tightened to form the fall prevention frame 13.

<< Embodiment >> An embodiment of the present invention will be described below with reference to the drawings. The upper and lower edges of the U-shaped cross section are bent inward, and the standing surface 1 and the upper and lower horizontal surfaces 2 and 2 and the inner folding curved surface 3, Two parallel steel members 4, 4 provided with 3 are arranged side by side, and several L-shaped steel members 5, 5 ... One upper surface 6 and a horizontal surface 2, which is located above the two parallel steel members 4, 4. The rectangular base material frame 7 is formed by welding the upper surface of the rectangular base material frame 2 and the upper surface of the rectangular base material frame 2. Suspending members 11, 11, which are welded via 9 and provided with suspending locking portions 10 such as locking holes at four locations.
11 and 11 are attached to form the scaffolding floor member 12, and a large number of metal piles 15, 15 ... Are provided on the ground 14 with projecting pieces 16, 16 ...・ A scaffolding floor member 12 is placed and installed on the scaffolding floor member, and a fall prevention frame 13 is detachably attached to the periphery of the scaffolding floor member 12, and further two parallel steel members 4,
Large insertion holes 17, 17 ... in the horizontal planes 2, 2 of 4, and the large insertion holes 17,
17 and the small folding holes 18,18 ... are provided in the inwardly bent curved surfaces 3,3 corresponding to 17 ..., and the fall prevention frame 13 is a standing pipe 25,25 ... .. and short handrail pipes 26, 26 ..., handrail pipe bodies 27, 27 ..., and nuts 24, 24. At the time of attaching the upper screw rod 21 having the upper step portion 20 and the lower screw rod 23 having the lower step portion 22 and the standing pipe 19 is erected, the standing pipe 19 is inserted into the large insertion hole 17,
The lower screw rod 23 is inserted into the small insertion hole 18, the lower step portion 22 is placed on the horizontal surface 2 located below, and the standing pipe 19 is erected by screwing and tightening the nut 24 onto the lower screw rod 23. The short sliding pipe 26 has first screw holes 29, 29 into which the upper screw 21 is inserted at both ends of the handrail short pipe 28, and the upper screw rods provided in the standing pipes 25, 25.
21 and 21 are inserted into the first screw holes 29, 29, and the upper steps 20, 20
Supported on the standing pipes 25, 25, and the handrail long pipe 27 has second screw rod holes 31, 31 into which the upper screw rods 21 are inserted at both ends and the middle of the handrail long pipe 30. The central screw holes 32, 32 ... Are provided, and the upper screw rods 21, 21 ... Provided on the standing pipe bodies 25, 25 are inserted into the second screw rod holes 31, 31 and the central screw hole 32. 32. Fall prevention frame 1 by screwing and tightening the nuts 24, 24 ...
Formed 3.

Further, as shown in FIG. 8, the length of the handrail short pipe 26 is lengthened so that the single handrail short pipe 26 is attached to the two scaffolding floor members 12, 12 to prevent the fall prevention frame 13 from being attached. It is also possible to form.

Further, 33 is a Tenma plate attached to the top of the metal stake 15 so that a covering plate (not shown) can be stably placed.

Also, the protruding piece 16 is formed in a triangular shape as shown in FIG.
The scaffold floor member 34 is attached to the metal pile 15 by welding or screwing, and 34 is attached to the tip of the protruding piece 16 and protrudes.
12 anti-slip standing pieces.

<Advantages and effects of the device> This device has the above-described structure, and the upper and lower edges of the U-shaped cross section are bent inward to form the upright surface 1, the upper and lower horizontal surfaces 2 and 2, and the inward folding curved surface 3. , 3 parallel steel materials 4, 4 are provided side by side, and several L-shaped steel materials 5, 5 ... One upper surface 6 and the horizontal plane 2 located above the two parallel steel materials 4, 4. , 2 have upper surfaces that are flush with each other to form a rectangular base material frame 7 by welding, and a perforated plate 8 such as a lath plate is formed on the upper surface of the rectangular base material frame 7 at several welding portions 9 ,
The scaffolding floor member 12 is formed by attaching hanging members 11, 11, 11, 11 which are welded via 9 ... 14 is provided with a large number of metal piles 15, 15 ... Protruding pieces 16, 16 ...
6,16 ・ ・ ・ The scaffolding floor member 12 is placed and erected on the top of the scaffolding, but a large number of scaffolding floor members 12 are manufactured at the factory, transported to a construction site by a truck, and the hanging locking portion 10 is clamped by a crane. The suspension members 11, 11, 11, 11 are provided by suspending with a rope locked to the suspension member, and the scaffolding floor member 12 further includes a fall-prevention frame body at the periphery thereof.
13 is detachably attached, and its fall prevention frame 13
Is a large insertion hole 17,17 ... in the horizontal surface 2,2 of two parallel steel materials 4,4.
., And small insertion holes 18, 18 ... Are provided in the inwardly bent curved surfaces 3, 3 located below the large insertion holes 17, 17 ,. Standing pipes 25, 25 ..., short handrail pipes 26, 26 ... and long handrail pipes 27, 27 ... and nut 2
Further, the standing pipe body 25 has upper step portions 20 above and below the standing pipe 19 and has an upper screw rod 21 and a lower screw portion 22 and a lower screw rod.
23, and the standing pipe 19 is inserted into the large insertion hole 17 when the standing pipe 19 is erected, the lower screw rod 23 is inserted into the small insertion hole 18, and the lower step portion 22 is placed on the horizontal plane 2 located below. The nut 24 is screwed onto the lower screw rod 23 and tightened to secure the standing pipe.
19 is set upright, and the handrail short pipe 26 is provided in the vertical pipes 25, 25 with the first screw rod holes 29, 29 into which the upper screw 21 is inserted at both ends of the handrail short pipe 28. The upper screw rods 21 and 21 are inserted into the first screw rod holes 29 and 29, and are supported by the upper step portions 20 and 20 and placed on the standing pipes 25 and 25, and the long handrail pipe 27 is the long handrail. Second screw holes 31, 31 into which the upper screw rods 21 are inserted and central screw holes 32, 32 ... Are provided at both ends and the middle of the pipe 30, and the upper screw rods 21, 21, provided on the standing pipe bodies 25, 25. ..The second screw holes 31, 31 and the central screw hole 32.
It is formed by inserting nuts 24, 24 ... Into, and screwing and tightening.

Therefore, a large number of workers are not required, and a small number of people can assemble work floors, worker roads, support members such as material parts, etc. at the time of construction very easily and improve work efficiency in a short time. At the same time, the labor cost is reduced and it is economical, and furthermore, the fall prevention frame 13 can be mounted firmly and will not be unintentionally detached.

Further, when the fall prevention frame member 13 is unnecessary and disturbs during the work, the upper screw rods 21, 21 ... and the nuts 24, 24 ... provided on the standing pipe bodies 25, 25 ... and All of the fall prevention frame 13 can be removed by removing the lower screw rods 23, 23 ...

Further, depending on the type of work, the upper screw rods 21, 21 provided on the standing pipes 25, 25 ... Without removing the entire fall prevention frame 13
.. By removing only the handrail short pipe body 26 and the handrail long pipe body 27 by removing the nuts 24, 24. The handrail short pipe body 26 and the handrail long pipe body 27 are held in the state of standing upright by tightening the nuts 24, 24 ... screwed to the lower screw rods 23, 23 ... It has many practical effects such as easy attachment to and very convenient for safety measures.

[Brief description of drawings]

1 is a front view, FIG. 2 is a side view, FIG. 3 is a partially cutaway perspective view of a scaffolding floor member, and FIG. 4 is a partially cutaway perspective view of essential parts, FIG. 5, FIG. 6, FIG. FIG. 7 is a partially enlarged cross-sectional view of the fall prevention frame, and FIG. 8 is a side view showing a state in which two scaffolding floor members are attached to the front and back of a metal pile. 1 ... Standing surface, 2 ... Horizontal surface, 3 ... Inward curved surface, 4 ...
… Parallel steel material, 5 …… L-shaped steel material, 6 …… One upper surface, 7 …… Rectangular base material frame, 8 …… Perforated plate, 9 …… Welded part, 10 …… Locking part, 11 …… Hanging Member, 12 …… Scaffolding floor member, 13 …… Fall prevention frame, 14 …… Ground, 15 …… Metal pile, 16 …… Projection piece, 17 …… Large insertion hole, 18 …… Small insertion hole, 19 …… Standing pipe,
20 …… Upper part, 21 …… Upper screw rod, 22 …… Lower screw part, 23 …… Lower screw rod, 24 …… Nut, 25 …… Standing pipe body, 26 …… Handrail short pipe body, 27 …… Hand Sliding long pipe, 28 …… Short handrail, 29 ……
1st screw hole, 30 …… long handrail pipe, 31 …… second screw hole, 32
...... Central screw hole, 33 ...... Tenma plate, 34 …… Standing piece for non-slip

Claims (1)

[Scope of utility model registration request] 1. Two parallel steel members 4, each of which is formed by bending the upper and lower edges of a U-shaped cross section inward to form an upright surface 1, a horizontal plane 2, 2 and an inward folding curved surface 3, 3. 4 pieces are installed in parallel and several L-shaped steel materials 5,5 ...
· One upper surface 6 and the horizontal planes 2, 2 located above the two parallel steel members 4, 4 have upper surfaces that are flush with each other to form a rectangular base frame 7 by welding and form the rectangular shape. A suspension in which a perforated plate 8 such as a lath plate is welded to the upper surface of the base material frame 7 through several welded portions 9, 9 ... And a suspension locking portion 10 such as a locking hole is provided at four locations. The lowering members 11, 11, 11, 11 are attached to form the scaffolding floor member 12, and the ground 14 is provided with a plurality of metal piles 15, 15 ... Protruding pieces 16, 16 ... Two pieces of parallel steel material in which the scaffolding floor member 12 is placed and erected on the pieces 16, 16 and the fall prevention frame 13 is detachably attached to the periphery of the scaffolding floor member 12. Large insertion holes 17, 17 ... In the horizontal planes 2, 2 of 4, 4 and small insertion holes 18 in the inward folding curved surfaces 3, 3 located below the large insertion holes 17, 17 ... , 18 are provided, and the fall prevention frame 13 is provided with standing pipes 25, 25 ... and short handrail pipes 26, 26.
... and rails 27, 27 ... and nuts 24, 24 ...
Further, the standing pipe body 25 is provided with an upper step portion 20 above and below the standing pipe 19.
And an upper screw rod (21) and a lower screw rod (23) having a lower step portion (22) are attached, and when the standing pipe (19) is erected, the standing pipe (19) has a large insertion hole (17).
The lower screw rod 23 is inserted into the small insertion hole 18 and the lower step portion 22
Is placed on the horizontal surface 2 located below, and the standing pipe 19 is erected by screwing and tightening the nut 24 on the lower screw rod 23, and the handrail short pipe body 26 is provided at both ends of the handrail short pipe 28. Upper screw 21
Is provided with the first screw rod holes 29, 29 into which the upper screw rods 21, 21 provided in the standing pipes 25, 25 are inserted into the first screw rod holes 29, 29, and supported by the upper step portions 20, 20. Placed on the standing pipes 25, 25,
Further, the long handrail pipe body 27 has second screw holes 31, 31 into which the upper screw rods 21 are inserted at both ends and the middle of the long handrail pipe 30, and central screw holes 32, 32.
... and upper screw rods 21, 21 provided on the standing pipes 25, 25 ...
Is inserted into the second screw holes 31, 31 and the central screw holes 32, 32 ... And the nuts 24, 24 ... Are screwed together and tightened to form the fall prevention frame body 13. Scaffolding equipment.