JP3548426B2 - Apparatus and method for mounting stanchion pole - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a mounting device and a mounting method for mounting a stanchion pole, which is a kind of a safety jig, to a skeleton when a safety rope is stretched in order to secure safety during construction of a steel-based building construction, and in particular, The present invention relates to a mounting device and a mounting method in which a stanchion pole can be easily and quickly attached to and detached from a body without using a tool by employing a pin fixing method.
[0002]
[Prior art]
A conventional stanchion pole mounting device of this type includes a horizontal flange 52 having a plurality of bolt holes 51 at predetermined positions and a plurality of bolts at predetermined positions as shown in FIGS. 5 to 7A and 7B. An attachment 56 consisting of a vertical flange 54 having an elongated hole 53 and substantially triangular side plates 55 provided on both side surfaces thereof, and a plurality of bolt holes 51 which can be placed on the horizontal flange 52 are provided. A stanchion pole 59 made up of a flat plate 57 having the same, and a bar member 58 erected integrally at the center of the flat plate 57.
[0003]
When the above-mentioned attachment 56 is attached and fixed to the steel beam 60 on the skeleton side, the horizontal flange 52 of the attachment 56 is in contact with the lower surface of the flange 60 a of the steel beam 60, and the vertical flange 54 is connected to the web of the steel beam 60. The attachment 56 is attached and fixed to the steel beam 60 via the bolt 61 and the nut 62 while being in contact with the side surface of the steel beam 60b.
[0004]
When attaching the stanchion pole 59 to the attachment 56, the flat plate 57 of the stanchion pole 59 is placed on the tip of the horizontal flange 52 of the attachment 56 projecting outward from the flange 60a of the steel beam 60, and both bolts The stanchion pole 59 is attached and fixed to the attachment 56 by aligning the holes 51, 51 with each other, inserting a bolt 61 into the bolt holes 51, 51, and screwing a nut 62 into the tip end. Was.
[0005]
[Problems to be solved by the invention]
However, the above-described conventional stanchion pole mounting apparatus and mounting method require the bolts 61 and the nuts 62 to mount and fix the attachment 56 and the stanchion pole 59, respectively. There was a problem that required tools. In addition, in order to attach and fix these attachments 56 and to remove them after use, one worker is required on each of the upper floor and the lower floor of the building frame, and therefore, workability is increased. There was a problem that it was bad and that the attaching / detaching operation was dangerous.
[0006]
The mounting device and the mounting method of the stanchion pole according to the present invention is a completely new technology developed in view of the above-mentioned many problems, particularly, a main body having a mounting portion for mounting by inserting the stanchion pole from above, A stanchion pole mounting device in which a vertically extensible pin portion is provided, and the main body is detachably attached to the steel beam by extending the pin portion and inserting the pin portion into holes provided in upper and lower flanges of the steel beam, and The technique of the attachment method is provided.
[0007]
[Means for Solving the Problems]
The stanchion pole device according to the present invention is a completely new technology that fundamentally improves the above-mentioned conventional problems, and the gist of the first invention is the safety used when constructing a steel frame building. In a stanchion pole mounting device, a main body having a mounting portion into which a stanchion pole is inserted from above is provided with a vertically expandable and contractible pin portion, and the tip portion is extended to extend each tip portion up and down of a steel beam. A stanchion pole mounting device characterized in that a main body is detachably mounted on a steel beam by being inserted into holes provided in respective flanges.
[0008]
In the stanchion pole device according to the first aspect of the present invention, the main body having the device portion into which the stanchion pole can be inserted and mounted is provided with a vertically extensible pin portion. Then, the main body can be attached to the steel beam so that it can be easily attached and detached by inserting the main body into the holes provided in the upper and lower flanges of the steel beam.
[0009]
The gist of the second invention of the stanchion pole mounting device according to the present invention is that a fixed pin whose pin portion protrudes upward from the main body, and a movable pin that is slidably mounted on the fixed pin and protrudes from the lower side of the main body. The stanchion pole mounting device according to the first invention, wherein the movable pin is provided with a handle for sliding operation and a pressing means for pressing the movable pin in the projecting direction by a spring, its own weight or the like.
[0010]
In the mounting device for a stanchion pole according to the second aspect of the present invention, the pin portion includes a fixing pin projecting upward from the main body, and a movable pin slidably mounted on the fixing pin and protruding from the lower side of the main body. Since the fixed pin protruding upward is inserted into the hole of the upper flange of the steel beam, the movable pin protruding downward is inserted into the hole of the lower flange of the steel beam, so that the main body can be easily inserted into the steel beam, And it can be easily attached by only one worker.
[0011]
Further, the movable pin provided on the main body is provided with a handle for sliding operation and a pressing means for pressing the movable pin in the protruding direction by a spring, its own weight or the like, so that the movable pin can be easily held by holding the handle. The movable pin can be easily and securely inserted into the hole of the lower flange of the steel beam while operating.
[0012]
The method of mounting a stanchion pole according to the present invention is a technique which is a fundamental improvement of the above-described conventional mounting method, and the gist of the invention is a safety stanchion used when constructing a steel-framed building. In the method of mounting the pole, using the stanchion pole mounting apparatus according to the first invention or the second invention, each tip of the pin portion is inserted into holes provided in upper and lower flanges of the steel beam, respectively, A stanchion pole is attached to a mounting portion of a main body.
[0013]
The mounting method of the above-mentioned stanchion pole uses a mounting device provided with a pin portion which can be extended and contracted by sliding vertically in a main body having a mounting portion in which the stanchion pole is inserted from above and mounted. Since each tip is inserted into the hole provided in the upper and lower flanges of the steel beam, it can be easily attached to the side of the steel beam via the pin portion.
[0014]
In addition, this body is provided with a mounting part in which a stanchion pole can be inserted from above and mounted. The stanchion pole is mounted on this mounting part, so the stanchion pole can be attached to the main body in a very simple way. Can be installed with
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a perspective view of a mounting device according to the present invention, and FIGS. 2A and 2B are perspective views of the mounting device according to the present invention. FIG. 3 is a side view showing an embodiment of a mounting portion of the stanchion pole provided on the mounting device, FIG. 3 is an explanatory view showing a state where the main body of the mounting device of FIG. 1 is mounted on a steel beam, and FIG. It is explanatory drawing of the state which mounted the stanchion pole.
[0016]
The stanchion pole mounting device according to the present invention will be described below with reference to FIG. That is, reference numeral 1 denotes a substantially rectangular frame-shaped main body, which is an upper frame 3 and a lower frame 4 which can contact the inner surfaces of the upper and lower flanges 2a and 2b of the steel beam 2, and a vertical frame connecting these upper and lower frames 3 and 4. 5 and a bottomed cylindrical body 6. A side plate 15 having a window 15a is provided on one side surface of the main body 1.
[0017]
Reference numeral 7 denotes a stanchion pole, the lower portion of which is formed so as to be inserted into and attached to the cylindrical body 6. A ring 7a through which a safety rope can be inserted is provided at the upper end of the stanchion pole 7. A screw hole 8 is provided in a part of the cylindrical body 6, and a lock bolt 9 can be screwed into the screw hole 8, and the stanchion inserted into the cylindrical body 6 by the tip of the lock bolt 9. It is configured such that the pole 7 can be tightened.
[0018]
On the upper frame 3 of the main body 1, a fixing pin 11 that can be inserted into a hole 10 provided in the upper flange 2a of the steel beam 2 is provided to stand up. A movable pin guide tube 12 is provided in the main body 1 along the vertical frame 5 below the fixed pin 11.
[0019]
A movable pin 13 is inserted into the movable pin guide tube 12, and a lower portion of the movable pin 13 projects from a lower surface of the lower frame 4 of the main body 1, and a hole 10 of the lower flange 2 b of the steel beam 2 is formed. It is configured so that it can be inserted through. A spring (not shown) is built in the movable pin guide tube 12, and the spring biases the movable pin 13 downward. A lever handle 14 protrudes from a side surface of the movable pin 13.
[0020]
The cylindrical body 6 provided in the main body 1 may be formed at a height substantially equal to the height of the vertical frame 5 at the corresponding position as shown in FIG. 2 (A), or the upper frame shown in FIG. 2 (B). It is also possible to protrude above 3, that is, to make the length of the cylinder 6 larger.
[0021]
The operation of attaching the above-described stanchion pole attachment device to the steel beam 2 will be described below. That is, as shown in FIGS. 3 and 4, while holding a fingertip into the window 15 a of the side plate 15 of the main body 1 while holding it with one hand, and operating the lever handle 14 with the other hand to push up the movable pin 13, the steel beam 2 The main body 1 is inserted between the upper and lower flanges 2a and 2b, and the fixing pins 11 protruding upward are inserted into the holes 10 of the upper flange 2a.
[0022]
Next, while operating the lever handle 14 to extend the movable pin 13 downward, the lower end of the movable pin 13 is inserted into the hole 10 of the lower flange 2b to attach and fix the main body 1 to the side of the steel beam 2. . Thereafter, the lower part of the stanchion pole 7 is inserted from above the cylinder 6, the lock bolt 9 is screwed into the screw hole 8, and the stanchion pole 7 is fixed to the cylinder 6 by tightening the stanchion pole 7 at the tip. And can be attached to the main body 1.
[0023]
As described above, in the mounting device according to the present invention, since the upper pin of the main body 1 is the fixing pin 11, even if the operator steps on the upper portion of the fixing pin 11 protruding from the upper flange 2 a of the steel beam 2. , Can be immobile. The lower pin is constituted by the movable pin 13.
[0024]
Further, the movable pin 13 is configured not to move unless a lever handle 14 is operated by a spring built in the movable pin guide tube 12. In the above-described embodiment, a spring is built in the movable pin guide tube 12, and the movable pin 13 is urged downward by the action of the spring. The movable pin 13 can be expanded and contracted by utilizing its own weight to be depressed downward, or by using a vertical groove and a horizontal groove (not shown) provided on the peripheral wall of the movable pin guide tube 12. is there.
[0025]
When attaching and detaching the main body 1 to and from the steel beam 2, the upper fixing pin 11 is inserted into the hole 10 of the upper flange 2a, and then the main body 1 is attached and detached while rotating about the fixing pin 11 as an axis. It is more effective to make the corner formed by the vertical frame 5 and the lower frame 4 into an R shape.
[0026]
When the mounting device according to the present invention is used, no bolts and nuts are required when mounting the mounting device. Therefore, no tools or the like for tightening bolts are required. Further, when the main body 1 is attached to the steel beam 2, the work can be performed only by operating the lever handle 14, so that one worker can perform the work easily, safely, and in a short time.
[0027]
【The invention's effect】
Since the stanchion pole mounting device and the mounting method according to the present invention have the above-described configuration and operation, the stanchion pole mounting device can be easily mounted on or removed from the skeleton side.
[0028]
Also, the attachment and detachment of the mounting device for the stanchion pole can be performed by one worker in a short time. And it can be installed without using any tools such as bolt tightening tools. Therefore, the construction performance can be remarkably improved, and the safety of workers can be ensured.
[Brief description of the drawings]
FIG. 1 is an explanatory perspective view of a mounting device according to the present invention.
2 (A) and 2 (B) are side views showing an embodiment of a mounting portion of a stanchion pole provided in the mounting device of FIG. 1, respectively.
FIG. 3 is an explanatory view of a state in which a main body of the mounting device of FIG. 1 is mounted on a steel beam.
FIG. 4 is an explanatory view of a state in which a stanchion pole is mounted on a main body of the mounting device of FIG. 3;
FIG. 5 is an explanatory view showing a conventional attachment for a stanchion pole.
FIG. 6 is an explanatory view showing a configuration of a conventional stanchion pole.
FIGS. 7A and 7B are explanatory views showing the attachment state of the attachment and the stanchion pole.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Steel beam 2a Upper flange 2b Lower flange 3 Upper frame 4 Lower frame 5 Vertical frame 6 Cylindrical body 7 Stantion pole 8 Screw hole 9 Lock bolt 10 Hole 11 Fixed pin 12 Movable pin guide tube 13 Movable pin 14 Lever handle 15 Side plate 15a Window 51 Bolt hole 52 Horizontal flange 53 Bolt long hole 54 Vertical flange 55 Side plate 56 Attachment 57 Flat plate 58 Bar material 59 Stantion pole 60 Steel beam 61 Bolt 62 Nut

Claims (3)

In a mounting device of a stanchion pole for safety used when constructing a steel-based building, a pin portion that is vertically expandable and contractible is provided on a main body having a mounting portion for inserting and mounting a stanchion pole from above, An installation device for a stanchion pole, characterized in that the body is detachably attached to the steel beam by extending the portion and inserting each end into holes provided in upper and lower flanges of the steel beam. A pin portion has a fixed pin projecting upward from the main body, and a movable pin slidably mounted on the fixed pin and capable of projecting from a lower side of the main body. 2. The stanchion pole mounting device according to claim 1, further comprising a pressing means for pressing the movable pin. In a method of mounting a safety stanchion pole used when constructing a steel-frame building, the stanchion pole mounting device according to claim 1 or 2 is used, and each tip of the pin portion is formed of a steel frame. A method of mounting a stanchion pole, wherein the stanchion pole is mounted on a mounting portion of a main body while being inserted into holes provided in upper and lower flanges of a beam.

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