JPH0852672A - Clamp removing jig - Google Patents

Abstract

PURPOSE:To provide a clamp removing jig whereby a clamp, net hanger, etc., mounted on a high lift part, can be removed from a work floor surface by a worker through remote control. CONSTITUTION:A ratchet member 18 for untightening a nut is provided in an upper end side of a bar-shaped member 12 having a prescribed length, to form a lower end side into a crank-shaped part 19 bent in arm almost U shape for rotating the bar-shaped member, and a plurality of clamp visually confirming mirror members are mounted on the bar-shape member, also to mount a net member 14 for catching a dropped clamp.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamp removing jig for remotely removing a clamp, a net hanger or the like attached to a high place from a work floor surface.

[0002]

2. Description of the Related Art Conventionally, when removing clamps, net hangers, etc., which are attached to high places, a stepladder, a rolling tower 1, etc. are placed on a work floor 2 as shown in FIG. After the worker 3 climbed up to the above, it was necessary to remove the clamp 5 and the like using the tool 4 such as a ratchet.

[0003]

In the case of this conventional example, there is a risk of causing an accidental fall of the worker 3, the tool 4 or the like when the clamp 5 or the like is removed from the stepladder or the rolling tower 1 or the like. There was a problem that was involved.

In particular, when the work floor surface 2 is not horizontal or uneven and is unstable, the stepladder, the rolling tower 1, etc. cannot be placed stably, and therefore the worker Since the clamp 5 must be removed while the clamp 3 is unstable, there is a problem that the risk of a fall accident or the like is further increased.

In addition, the stepladder, the rolling tower 1 and the like have to be assembled and moved, and the worker 3 has to climb up and down, and there is a disadvantage that workability is poor.

Further, if an obstacle such as a building material is placed on the work floor surface 2, the stepladder, the rolling tower 1 and the like cannot be moved smoothly, and therefore, the clamps 5 mounted at a plurality of places are mounted. However, there is a problem in that the work efficiency is further reduced when removing the above.

Therefore, in the work of removing the clamp 5 and the like in the conventional example, there is no risk of accidents such as the worker 3 and the tool 4 falling during the work, and the work of removing the clamp 5 and the like is performed smoothly. There is a problem that must be solved in order to improve the quality.

[0008]

As a concrete means for solving the above-mentioned problems of the prior art, the present invention provides a ratchet member for loosening a nut on the upper end side of a rod member having a predetermined length, and a lower end. The side is to provide a clamp removing jig characterized in that it is formed in a crank-shaped portion for rotating a rod-shaped member, wherein the rod-shaped member has a configuration in which a plurality of clamp visual recognition mirror members are attached, A net member for catching the removed clamp is attached to the rod-shaped member.

[0009]

In the clamp removing jig according to the present invention, the ratchet member for loosening the nut is provided on the upper end side of the rod-shaped member having a predetermined length, and the lower end side is formed on the crank-shaped portion for rotating the rod-shaped member. By doing so, the ratchet member is fitted into the nut part of the clamp installed at a high place, and the worker holds the lower end side of the rod-shaped member from the work floor by hand and rotates it back and forth to loosen the nut. The clamp can be removed.

In addition, since a plurality of clamp-viewing mirror members are attached to the rod-shaped member, when the ratchet member is fitted into the nut of the clamp, an operator can work from the work floor surface around the tip of the ratchet member, Also, the nut portion of the clamp can be directly viewed.

A net member for catching the removed clamp is attached to the rod-shaped member, so that the clamp that is removed and dropped does not drop on the floor surface.
Can be caught in the air.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an example for carrying out the present invention will be described with reference to the drawings. First, in FIG. 1, reference numeral 11 indicates a clamp removing jig, and the clamp removing jig 11 includes a rod-shaped member 12 having a predetermined length and a mirror member 13 for visually recognizing a clamp attached to the rod-shaped member 12. , A net member 14 attached to a predetermined position of the rod-shaped member 12.

The rod-shaped member 12 is formed of, for example, a steel pipe, and extends from a position where an operator stands on the work floor and holds it by hand to a clamp 16 attached to a high place such as a beam 15. It has a predetermined length.

A ratchet member 18 for loosening the nut 17 of the clamp 16 is provided on the upper end side of the rod member 12.
Are provided in a substantially vertical state, and this ratchet member 1
A polygonal engagement hole 18 a for fitting with the nut 17 is formed on the tip side of 8.

The lower end side of the rod-shaped member 12 is bent into a substantially U-shape to form the crank-shaped portion 19 for rotating the rod-shaped member 12. In this case, the crank portion 19 is provided at a lower position substantially corresponding to the engagement hole 18a of the ratchet member 18.

A plurality of rod-shaped members 12 are provided at predetermined positions.
For example, four clamp viewing mirror members 13a, 13
b, 13c, 13d are attached. The mirror member 13a is attached to the upper end of the rod member 12,
Further, the mirror member 13b is provided below the mirror member 13a and is attached so as to face the mirror member 13a.

The mirror member 13c is provided at a position substantially symmetrical to the mirror member 13b with the rod-shaped member 12 interposed therebetween, and the mirror member 13c is attached so as to face the mirror member 13b.

Further, the mirror member 13d is provided below the mirror member 13c, and is mounted so as to face the mirror member 13c. The mirror angles of the mirror members 13a to 13d are adjusted so that the periphery of the tip of the ratchet member 18 is reflected on the mirror member 13d at the lowermost end.

In the illustrated embodiment, although four clamp-viewing mirror members are used, the ratchet member 18 is used.
It is needless to say that the number is not limited to four as long as the periphery of the tip of can be projected on the mirror member at the bottom.

At a suitable position of the rod-shaped member 12, a net member 14 for catching the clamp 16 which is removed and falls is provided. In this net member 14, a net 14b is stretched in a suspended state over the entire surface of a ring-shaped frame 14a. The substantially central portion of the frame 14a is attached so as to correspond to the tip position of the ratchet member 18.

Next, a method of removing the clamp 16 attached to a high place such as the beam 15 using the clamp removing jig 11 will be described. As shown in FIG. 2, the worker 20 holds the crank-shaped portion 19 with one hand and the rod-shaped member 12 located above the crank-shaped portion 19 with the other hand, and holds the tip of the ratchet member 18 in place. , Approach the clamp 16 mounted at a high place.

Then, the worker 20 operates the mirror member 13a.
~ 13c around the tip of the ratchet member 18 projected on the bottom mirror member 13d, and the clamp 16
While visually recognizing the nut 17 portion of the, the engaging hole 18a at the tip of the ratchet member 18 is fitted into the nut 17.

Further, the worker 20 is required to use the crank-shaped portion 1
By rotating the rod-shaped member 12 in a reciprocating state with 9 as a fulcrum, the nut 17 is loosened and the clamp 16 is removed from the beam 15.

Therefore, the worker 20 can remove the clamp 16 from the work floor surface 21 by remote control, so that it is possible to prevent an accident in which the worker or the like falls from a stepladder, and at a plurality of places. It is possible to smoothly remove the clamps 16 that are mounted in large numbers.

Further, the clamp 16 which is detached from the frame 15 and falls is caught in the air by the net 14b of the net member 14, so that it does not fall directly on the floor surface, which is safe and damages the floor surface. There is nothing.

[0026]

As described above, in the clamp removing jig according to the present invention, the ratchet member for loosening the nut is provided on the upper end side of the rod-shaped member having a predetermined length,
By forming the crank-shaped part that rotates the rod-shaped member on the lower end side, the ratchet member is fitted into the nut part of the clamp installed at a high place, and the operator manually holds the lower end side of the rod-shaped member from the work floor surface. By holding and rotating in a reciprocating state, the nut can be loosened and the clamp can be removed, so it is possible to prevent accidents such as workers and tools dropping from the top of a stepladder, etc. It has an excellent effect that it is possible to smoothly remove the clamps that are used.

Further, since a plurality of mirror members for visually recognizing clamps are attached to the rod-shaped member, when the ratchet member is fitted into the nut of the clamp, the operator can work from the work floor surface around the tip of the ratchet member, Also, since the nut portion of the clamp can be directly visually recognized, there is an excellent effect that the tip portion of the ratchet member can be easily fitted into the nut.

By attaching a net member for catching the removed clamp to the rod-shaped member, the clamp that is removed and dropped does not drop on the floor surface,
Since it can be caught in the air, it has various excellent effects that it is safe and does not damage the floor surface.

[Brief description of drawings]

FIG. 1 is a front view of a clamp removing jig according to the present invention.

FIG. 2 is an explanatory view showing a state where the clamp removing jig according to the present invention is used.

FIG. 3 is an explanatory diagram showing a state in which a clamp according to a conventional example is removed.

[Explanation of symbols]

 1 Rolling Tower 2 Work Floor Surface 3 Worker 4 Tool 5 Clamp 11 Clamp Removal Jig 12 Rod Member 13a Mirror Member 13b Mirror Member 13c Mirror Member 13d Mirror Member 14 Net Member 14a Frame 14b Net 15 Beam 16 Clamp 17 Nut 18 Ratchet Member 18a Engagement hole 19 Crank-shaped part 20 Worker 21 Work floor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takaharu Koyama 3-11-3 Akasaka, Minato-ku, Tokyo Toda Construction Co., Ltd.Kanto Branch (72) Inventor Tetsuhiko Hara 3-11-3 Akasaka, Minato-ku, Tokyo Toda Construction Stock Company Kanto Branch

Claims (3)

[Claims] 1. A clamp characterized in that a ratchet member for loosening a nut is provided on an upper end side of a rod-shaped member having a predetermined length, and a lower end side is formed in a crank-shaped portion for rotating the rod-shaped member. Removal jig. 2. The clamp removing jig according to claim 1, wherein a plurality of mirror members for recognizing clamps are attached to the rod-shaped member. 3. The clamp removing jig according to claim 1 or 2, wherein a net member for capturing the removed clamp is attached to the rod-shaped member.