JP4201892B2 - Aerial lifting equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hose for supplying water used for cables, electric wires, cement kneading, rinsing, etc. for supplying power to construction illuminators and other electric devices mainly at a construction site inside a building under construction. Further, the present invention relates to a device for hanging a sign or the like from an upper floor or an upper steel material at a high position that does not disturb an operator.
[0002]
[Prior art]
It is difficult to work with cables and hoses for construction on the floor, so in conventional construction sites, it is hooked to the ceiling using an insert for ceiling mounting embedded in the upper floor. In general, a wire in which cables and hoses are bundled is hooked and hung on the hook. This means can be used for floors with inserts, but is cumbersome because the bundle must be unwound when pulling or adding one from a bundle of cables and hoses. Moreover, what is attracted | attached using a magnet is known for deck plates (Unexamined-Japanese-Patent No. 9-126536), but this thing cannot be used for a concrete surface.
[0003]
[Problems to be solved by the invention]
The present invention can be used both when the upper floor is made of concrete, or when the entire floor or the lower surface of the floor is made of steel, and can be easily corded, hose, and signage to the desired height. The present invention relates to a hanging tool capable of hanging a kind.
[0004]
[Means for Solving the Problems]
The above problems are solved by the means described in the claims.
[0005]
The first means includes a suspension pipe having a male thread at the upper end, a slit having a width through which the suspension wire passes, and a male pipe portion cut in the axial direction, as defined in claim 1, and the suspension pipe. A suspension wire with a magnet attached to the upper end of the street, a hook having a through hole through which the lower portion of the suspension wire passes, and a stopper below the hook that locks the hook to the suspension wire in a position-adjustable manner It is characterized by providing.
[0006]
According to this means, when there is an insert on the lower surface of the upper floor, pull the upper end of the suspension line following the magnet from the slit of the suspension pipe, screw the male thread of the suspension pipe into the insert, If the suspension hook is locked at an appropriate position at the bottom of the cable, the magnet at the top of the suspension line abuts the suspension pipe side surface and the upper floor ceiling to lock the suspension line. Suspension at that position becomes possible. When the upper floor is a steel member such as a deck plate, the magnet is attracted to the steel member, and the wire rope and the suspension hook are suspended by a magnetic force regardless of the suspension pipe.
[0007]
As described in claim 2, the second means is characterized in that, in claim 1, the hook integrally has an upward short pipe portion that can be fitted to a suspension pipe and through which a suspension line passes. According to this means, since the upward short pipe portion of the hook is inserted into the lower end of the suspension pipe, the short pipe portion becomes vertical and the inclination of the hook is prevented.
[0008]
As described in claim 3, the third means is characterized in that, in claim 1 or 2, the hook has a pair of mounting portions on both sides of a portion through which the suspension line passes. According to this means, a plurality of cords and hoses can be suspended in a balanced manner on the hook.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a lifting tool of the present invention, 2 a suspension pipe, 3 a suspension wire made of a stainless steel wire rope, 5 a cable, a hook for placing hoses, and 6 a hook 5 Is a stopper for engaging the suspension wire 3 with the hook 5.
[0010]
The suspension pipe 2 is made of a synthetic resin material and has an end member 2b coupled to the upper portion of the pipe main portion 2a, and has an arbitrary length of about 0.5 to 2 m. End member 2b is hollow upper male screw portion 2b ₁ of the small diameter is provided with, has a small diameter of the connecting thread portion 2b ₂ to the lower end, the connecting thread portion 2b ₂ is screwed into the female screw portion of the pipe main portion 2a connected Has been. A slit 2b ₃ shown in FIGS. 1 and 5 is provided from the upper end of the male screw portion 2b _{1 to} the upper portion of the large-diameter portion, and the groove width of the slit is made larger than the outer diameter of the suspension wire 3. Yes. In addition to the wire rope, a stainless steel wire, a synthetic resin rope or the like is used for the hanging wire 3.
[0011]
The magnet 4 is obtained by fixing a ring-shaped magnet 4 a having an extremely large magnetic force to a stepped case 4 b, and a ball 3 a fixed to the upper end of the suspension wire 3 is locked to the bottom inner surface of the case 4.
[0012]
The hook 5 has a pair of mounting portions 5b and 5b extending upward from both sides of the base portion 5a. The base portion 5a is provided with an upward short tube portion 5c and the downward stopper 6. The short pipe portion 5c has an outer diameter that can be fitted with a small amount of play in a diameter-expanded hole 2c provided in the lower portion of the pipe main portion 2a. As shown in FIG. 2, the male screw portion 6a of the stopper 6 is provided on the lower inner surface. The hook 5 is sandwiched and integrated by the lower end of the short tube portion 5 c and the step portion 6 b of the stopper 6.
[0013]
The stopper 6 is a known one shown in FIG. 3, and a pipe spindle 6e holding several balls 6d surrounding the suspension wire 3 is inserted into a taper hole 6c provided inside the male screw portion 6a. The spindle 6e is pressed by a spring 6f to press the ball 6d toward the small diameter side of the tapered hole 6c, and a release knob 6g is fixed to the lower end of the pipe spindle 6e.
[0014]
With this configuration, when a load is applied to the hook 5, the portion of the stopper 6 integral with the hook 5 is pushed downward, and the ball 6d rolls along the inner surface of the tapered hole 6c while moving toward the smaller diameter side of the tapered hole 6c. It is moved, and it squeezes the suspension wire 3 and becomes a fixed state. However, when the release knob 6g is pulled down, the ball 6d is moved to the larger diameter side to release the suspension wire 3, and the hook 5 can move freely along the suspension wire 3. Thereby, the operator can set the hook 5 in an appropriate position.
[0015]
Since the hanging tool 1 has the above-described configuration, as shown in FIG. 4, when an insert 11 for ceiling mounting or pipe holding is embedded in a concrete floor 10 on the upper floor, a portion following the magnet 4 The suspension wire 3 is pulled out from the slit 2 b ₃ , and the male screw 2 b ₁ is screwed into the insert 11 to connect the suspension pipe 2 to the insert 11. When the lower end side of the suspension wire 3 is pulled down, the magnet 4 is pulled up and comes into contact with the lower surface of the floor 10 and the side surface of the suspension pipe 2 and stops. Next, when the release knob 6g is pulled downward with respect to the hook 5 to release the hook 5 and the hook 5 is pushed up and the short pipe portion 5c is put into the enlarged diameter portion 2c, the short pipe portion 5c becomes vertical and the base portion 5a is It becomes horizontal and the cable and pipes 12 can be suspended stably. However, the short pipe portion 5c can be used in a state where it is detached downward from the suspension pipe 2 as indicated by a virtual line.
[0016]
FIG. 5 shows a case where the upper floor 13 is made of a steel member such as a deck plate. In this case, the magnet 4 is attracted to the floor 13 by a magnetic force, and the hook 5 is suspended by the suspension wire 3. In this case, the suspension pipe 2 is idle. When it is desired to remove the magnet from the floor 13, the hanging wire 3 should be pulled strongly. The magnet 4 can be used by being attracted to the steel material when there is a steel material spanned in the space behind the ceiling. It can also be used when there is an iron member such as an existing duct in the renovation work.
[0017]
In the above-mentioned handling, when the male screw portion 2b ₁ is screwed into the insert 11, or when the magnet 4 is attracted to the steel member, or when it is removed, the lower end of the suspension pipe 2 is held and operated from below. Well, there is no need for temporary scaffolding or high platforms.
[0018]
In this embodiment, it is desirable to make the suspension pipe 2, the hook 5 and the like from a light-colored resin material. In this way, there is an advantage that it is lightweight and does not corrode and is easily visible.
[0019]
As described above, the hook 5 has the two upward mounting portions 5b and the short pipe portion 5c has been described. However, the hook 5 may have a shape in which the mounting portion 5b hangs down in a J-shape. , The number may be only one. In this case, the short pipe portion 5c may be omitted. Moreover, you may make it use the thing which has a larger internal diameter than the suspension pipe 2 as the short pipe part 5c, and it makes it fit on the suspension pipe 2. FIG.
[0020]
【The invention's effect】
As described above, what is described in each claim has the following effects.
According to the means of claim 1, whether the upper floor is a floor provided with a ceiling insert or the lower surface is constituted by a steel member floor, the male thread at the upper end of the suspension pipe in one suspension By properly using the magnet at the top of the suspension line, it is possible to suspend cables and hoses at the desired height, and because it can be handled with the lower part of the suspension pipe, without using a temporary scaffold or a high platform There is an effect that the hanging tool can be attached and detached, and in the repair work, there is an effect that the magnet can be attached to the existing iron member and used.
[0021]
According to the second aspect of the present invention, since the short pipe portion integral with the hook can be fitted to the suspension pipe, there is an effect that the inclination of the hook can be prevented.
[0022]
According to the third aspect of the present invention, since the hook has a pair of mounting portions, it is possible to mount a large number of cables and hoses.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional view of a hanging tool of the present invention placed on a flat surface. FIG. 2 is a front view of a hook. FIG. 3 is a vertical cross-sectional view of a stopper. 5] Front view showing other usage conditions [Explanation of symbols]
2 Suspension pipe 2b ₁ Male thread 2b ₃ Slit 3 Suspension wire 4 Magnet 5 Hook 5b Mounting part 5c Short pipe part 6 Stopper 6g Release knob

Claims (3)

A suspension pipe having a male thread at the upper end, and a slit having a width through which the suspension line passes, is cut in the axial direction in the male thread portion, a suspension line having a magnet attached to the upper end through the suspension pipe, and the suspension line A tool for hanging at high places, comprising: a hook having a through hole through which a lower portion of the hook passes; and a stopper that is located below the hook and that locks the hook to the suspension line so that the position of the hook can be adjusted. The tool for hanging at high places according to claim 1, wherein the hook integrally has an upward short pipe portion that can be fitted to a suspension pipe and through which a suspension line passes. In Claim 1 or 2, The said hook has a pair of mounting part in the both sides of the part through which a suspension line passes, The high place hanging tool characterized by the above-mentioned.

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