WO1997009537A1 - Suspend-supporting method and metal suspender - Google Patents

Abstract

A suspend-supporting method for supporting in a suspended state from a fixed paramagnetic material various kinds of objects to be suspended which are to be provided in an inner portion of a ceiling of a building. Metal suspenders (10) having permanent magnets are fixed temporarily (refer to Fig. 1a) to a deck plate (101) by the magnetic force of the permanent magnets, and then fixed permanently (refer to Fig. 1b) thereto by welding the metal suspenders (10) thereto by using a welding machine. One end portion of each suspension bolts (105) is then fixed to the relative metal suspender (10) permanently secured to the deck plate (101), and object to be suspended, such as an air-conditioning duct (102), a pipe (103) for an electric wire and a refrigerant pipe (104) to the other end portion of the suspension bolt (105) (refer to Fig. 1c). Thus, the objects to be suspended are supported easily in a suspended state on the deck plate (101).

Description

 Specification

 Title of invention

 Suspension support method and suspension bracket

 Technical field

 The present invention relates to a suspension support method and a suspension metal fitting, and more particularly, to a method for installing various suspended objects arranged in a ceiling of a building, such as a duct for air conditioning, a pipe for an electric wire, a pipe for a refrigerant, etc., as a deck plate or a ceiling iron plate. The present invention relates to a hanging support method and a hanging bracket for hanging and supporting a paramagnetic fixed object such as a steel frame for a beam.

 Background art

 Conventionally, in order to suspend and support, for example, air-conditioning ducts, electric wire piping, and refrigerant piping, on a deck plate in the ceiling of a building, for example, a hole-in-anchor hanging bracket or a deck-plate hanging bracket has been used. Have been.

 However, in the case of the method using the hole-in anchor hanging bracket, it was necessary to make a hole in the concrete slab through the deck plate and hammer a hole-in anchor bolt into this hole. There was a problem that it took time.

 Also, in the case of using the deck plate hanging bracket, the deck plate hanging bracket is used to lock the deck plate hanging bracket. There was a problem.

 A first object of the present invention is to temporarily fix a suspending member having a permanent magnet to a fixed object of a paramagnetic body by the magnetic force of the permanent magnet, and then fix the permanent member by welding, and suspend and support the suspended object on the suspending member. It is another object of the present invention to provide a hanging support method. Further, a second object of the present invention is to temporarily fix a hanging member having a permanent magnet to a fixed object made of a paramagnetic material by the magnetic force of the permanent magnet, and then fix it permanently with a tapping screw, and suspend the suspended object on the hanging metal member. Provide a hanging support method to support

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Furthermore, a third object of the present invention is to temporarily fix a suspension fitting having a permanent magnet to a fixed object of a paramagnetic body by the magnetic force of the permanent magnet, then drill a pilot hole and permanently fix it with a tapping screw. A hanging bracket that suspends and supports the suspended object To provide.

 Still further, a fourth object of the present invention is to provide a permanent magnet having a permanent magnet, which is temporarily fixed to a paramagnetic fixed object by the magnetic force of the permanent magnet, and then fixed permanently by a tapping screw to suspend and support the suspended object. It is an object of the present invention to provide a hanging bracket.

 Disclosure of the invention

 The suspension support method of the present invention is a suspension support method for suspending and supporting a suspended object on a paramagnetic fixed object, wherein a suspension fitting having a permanent magnet is temporarily fixed to the fixed object by a magnetic force of the permanent magnet. Thereafter, the hanging metal is permanently fixed to the fixed object by welding, and the hanging object is suspended and supported by the hanging metal. According to this suspension support method, the hanging metal having the permanent magnet is temporarily fixed to the fixed object by the magnetic force of the permanent magnet, and then the hanging metal is permanently fixed to the fixed object by welding, and the suspended object is hung on the hanging metal. Since the hanging bracket is supported and lowered, it is not necessary to press the hanging bracket against the fixed object with a hand or other means at the time of attaching the hanging bracket to the fixed object (welding work). Significant reduction.

 The suspension support method of the present invention is a suspension support method for suspending and supporting a suspended object on a paramagnetic fixed object, wherein the hanging metal fitting having a permanent magnet is temporarily fixed to the fixed object by the magnetic force of the permanent magnet. Thereafter, the hanging metal is permanently fixed to the fixed body with a tapping screw, and the hanging object is suspended and supported by the hanging metal. According to this hanging support method, a hanging metal having a permanent magnet is temporarily fixed to a fixed object by the magnetic force of the permanent magnet, and then the hanging metal is permanently fixed to the fixed object with a tapping screw, and the hanging object is hung on the hanging metal. By lowering the support, it is not necessary to press the hanging bracket against the fixed body by hand or other means when attaching the hanging bracket to the fixed object (screw-in operation of the tapping screw). Man-hours and work time are greatly reduced.

Further, the suspension support method of the present invention is a suspension support method for suspending and supporting a suspended object on a paramagnetic fixed object, wherein a suspension fitting having a permanent magnet is temporarily attached to the fixed object by the magnetic force of the permanent magnet. After a pilot hole is drilled in the fixed object, the hanging bracket is permanently fixed to the fixed object with a tapping screw. The hanging object is suspended and supported by the hanging bracket. According to this suspension support method, the suspension fitting having the permanent magnet is temporarily fixed to the fixed object by the magnetic force of the permanent magnet, and then a pilot hole is formed in the fixed object, and then the suspension fitting is screwed to the fixed object. And the hanging object is suspended and supported by the hanging metal, so that the hanging metal can be used when attaching the hanging metal to the fixed object (drilling the pilot hole and screwing in the tapping screw). There is no need to press the object against the fixed object by hand or other means, and the number of work steps and work time are greatly reduced.

 Still further, a hanging bracket of the present invention is a mounting having a permanent magnet body attracted to a paramagnetic fixed object, and a through-hole provided with the permanent magnet body and fixed to the paramagnetic fixed object with a tapping screw. And a suspending means provided on the mounting body for suspending and supporting a suspended object. According to this hanging metal, the hanging metal is temporarily fixed to the fixed object by the magnetic force of the permanent magnet, and then fixed to the fixed object with the tapping screw, and then the suspended object is suspended and supported. At the time of work (drilling of pilot holes or screwing in of tapping screws), it is not necessary to press the hanging bracket against the fixed object by hand or other means, and the number of work steps and work time are greatly reduced.

 BRIEF DESCRIPTION OF THE FIGURES

 FIGS. 1 (a) to 1 (c) are process diagrams showing sequential steps of a hanging support method according to a first embodiment of the present invention.

 FIG. 2 is a perspective view of a hanging fitting used in the hanging support method according to the first embodiment.

 FIG. 3 is a diagram showing a state in which the hanging fitting of the first embodiment is attached to a deck plate.

 FIGS. 4 (a) to 4 (d) are process diagrams showing sequential steps of a hanging support method according to a second embodiment of the present invention.

 FIG. 5 is a perspective view of a suspension fitting used in the suspension support method according to the second embodiment.

FIG. 6 is a view showing a state in which the hanging fitting of the second embodiment is attached to a ceiling iron plate. BEST MODE FOR CARRYING OUT THE INVENTION

 FIG. 2 is a perspective view showing a hanging bracket 10 used in the hanging support method according to the first embodiment of the present invention. The hanging bracket 10 includes two permanent magnets 11 that are magnetized in the thickness direction and a pair of side yokes 12, 13 formed by bending a metal plate having high magnetic permeability such as iron into an L-shaped cross section. A center yoke 14 also made of a metal plate having a high magnetic permeability such as iron; a tapping screw 15 that penetrates and integrates the rectangular plate-shaped permanent magnets 11, the side yokes 12 and 13 and the center yoke 14; The suspension bolt holder 17 provided with a nut 16 for screwing the bolt 105 (see FIG. 1 (c)) and the pin shaft 18 for attaching the suspension bolt holder 17 between the side yokes 12 and 13 The main part is configured.

 The rectangular plate-shaped permanent magnet 11 is formed of a ferromagnetic material such as ferrite, samarium, and neodymium.

 The side yokes 12, 13 are composed of yoke pieces (vertical pieces in the figure) 12a, 13a, and bent pieces 12b, 13b bent horizontally from the upper ends of the yoke pieces 12a, 13a. Have been. In addition, punching portions 12c and 13c are provided between the yoke pieces 12a and 13a and the bent pieces 12b and 13b to magnetically separate them.

To assemble the suspension fitting 10, first, one rectangular plate-shaped permanent magnet 1 1 is attached to the side of the yoke piece 12a of one side yoke 12 opposite to the direction in which the bent piece 12b is bent. By magnetic attraction force. Next, the center yoke 14 is attracted to the other surface of the rectangular plate-shaped permanent magnet 11 by magnetic attraction. Subsequently, another rectangular plate-shaped permanent magnet 11 is brought into contact with the center yoke 14 so that the poles of the same polarity are opposed to the rectangular plate-shaped permanent magnet 11 with the center yoke 14 interposed therebetween. Next, the side face of the yoke piece 13a of the other side yoke 13 opposite to the direction in which the bent piece 13b is bent is brought into contact with the other rectangular plate-shaped permanent magnet 11. Thereafter, the side yokes 12 and 13, the rectangular plate-shaped permanent magnet 11, and the center yoke 14 are integrated by tapping screws 15 from the side yokes 12 and 13. Subsequently, the suspension bolt holder 17 is mounted between the pair of side yokes 12 and 13 by the pin shaft 18. In the hanging bracket 10 assembled in this manner, the suction surfaces (upper surface) of the yoke pieces 12a, 13a of the side yokes 12, 13, the suction surface (upper surface) of the center yoke 14, and the bent pieces 12b, 13b And the contact surface (upper surface) is located on the same plane.

 1 (a) to 1 (c) are step diagrams showing sequential steps of a suspension support method according to a first embodiment of the present invention. As shown in Fig. 1 (c), suspended objects such as air-conditioning ducts 102, electric-wire piping 103, and refrigerant piping 104 are suspended on a deck plate 101 (reference numeral 100 indicates a concrete slab) by using a hanging bracket 10. In order to support the lowering, first, as shown in FIG. 1 (a), a position corresponding to the hanging metal fitting 10 fixed to the lower surface of the deck plate 101 is determined on the lower floor portion by a scale. Next, the hanging bracket 10 is temporarily fixed to the lower surface of the deck plate 101 by using a magnetic attraction force, and the exact fixing position is determined by swinging down the position of the lower floor of the hanging bracket 10 to mark. wear.

 Since two hanging permanent magnets 11 are arranged on the hanging bracket 10 so that the magnetic poles of the same polarity face each other with the center yoke 14 interposed therebetween, the hanging bracket 10 is temporarily fixed to the deck plate 101. In this state, as shown in Fig. 3, two magnetic circuits that pass through the deck plate 101 are formed, and the magnetic attraction force is about twice that of the case where only one rectangular plate-shaped permanent magnet 11 is used. Since the hanging metal 10 is attracted to the deck plate 101, the temporary fixing position of the hanging metal 10 is not easily displaced. In the present embodiment, the two rectangular plate-like permanent magnets 11 are arranged so that the magnetic poles of the same polarity face each other with the center yoke 14 interposed therebetween. Of course, one magnetic circuit passing through the plate 101 may be formed.

Subsequently, as shown in FIG. 1 (b), the bent pieces 12b and 13b of the side yokes 12 and 13 of the suspension fitting 10 are welded using a welding machine or the like, so that the bottom surface of the deck plate 101 is finally finished. Fix the hanging bracket 10 to the proper fixing position. In FIG. 3, reference numeral 19 denotes a welded portion. In this case, since the hanging metal 10 is attracted to the deck plate 101 by the magnetic attraction force of the rectangular plate-shaped permanent magnet 11, the hanging metal 10 is used for welding. It is not necessary to press the hand against deck plate 101 by hand or other means: As shown in Fig. 1 (c), to suspend and support suspended objects such as air-conditioning ducts 102, electric wire piping 103, and refrigerant piping 104 after the hanging bracket 10 is fully fixed to the deck plate 101, as shown in Fig. 1 (c). The lower end of the suspension bolt 105 may be screwed into the hole of the suspension object itself or a band supporting the outer periphery of the suspension object, and the upper end of the suspension bolt 105 may be screwed into the nut 16 of the suspension fitting 10. Since the nut 16 is swingable by the pin shaft 18 and the suspension bolt holder 17, the work of attaching the suspension bolt 105 to the suspension fitting 10 can be easily performed.

 FIG. 5 is a perspective view showing a hanging bracket 20 used in the hanging support method according to the second embodiment of the present invention. The hanging metal fitting 20 is different from the hanging metal fitting 10 shown in FIG. 2 in that the through holes 12 d for inserting the tapping screws 22 and 23 (see FIG. 6) into the bent pieces 12 b and 13 b of the pair of side yokes 12 and 13. , 13d are drilled one by one on the left and right. The other members not specifically mentioned are configured in the same manner as the corresponding members of the hanging fitting 10 according to the first embodiment, and the corresponding members are denoted by the same reference numerals and detailed description thereof is omitted. I do.

 FIGS. 4 (a) to 4 (d) are step diagrams showing sequential steps of a hanging support method according to a second embodiment of the present invention. As shown in Fig. 4 (d), to suspend and support suspended objects such as air conditioning ducts 102, electric wire piping 103, and refrigerant piping 104 using the hanging metal fittings 20, first, As shown in FIG. 4 (a), a position corresponding to the hanging bracket 20 fixed to the lower surface of the iron plate 110 is set on the lower floor of the floor with a scale. Next, the hanging bracket 20 is temporarily fixed to the lower surface of the ceiling iron plate 110 using magnetic attraction, and the exact fixing position is determined and marked by swinging down the position of the lower floor of the hanging bracket 20. .

 Subsequently, as shown in FIG. 4 (b), the drill is placed at the position of the ceiling iron plate 110 corresponding to the through holes 12d, 13d from the lower surface side of the bent pieces 12b, 13b of the side yokes 12, 13. Drill a pilot hole 1 10a using Depending on the thickness, hardness, etc. of a paramagnetic fixed object such as a ceiling iron plate 110 (and a member such as a concrete slab that may be located behind it), the drilling of the pilot hole 110a may be omitted. be able to.

Next, as shown in Fig. 4 (c), the lower hole 1 of the ceiling iron plate 1 10 from the lower surface side of the bent pieces 12b, 13b of the side yokes 12, 13 through the through holes 12d, 13d. 10 a The tapping screws 22 and 23 are screwed in, and the hanging bracket 20 is permanently fixed to the final fixing position on the lower surface of the ceiling iron plate 110. In this case as well, the hanging bracket 20 is attracted to the ceiling iron plate 110 by the magnetic attraction force of the rectangular plate-shaped permanent magnet 11, so that the pilot hole 1 110 a is drilled and the tapping screws 2 2, 2 It is not necessary to press the hanging bracket 20 against the ceiling iron plate 110 by hand or other means when performing the screwing operation of 3.

 The method of suspending and supporting suspended objects such as air-conditioning ducts 102, electric wire pipes 103, and refrigerant pipes 104 after the hanging brackets 20 are permanently fixed to the ceiling iron plate 110 is shown in Fig. 4 As shown in (d), the suspension support according to the first and second embodiments is similar to that of the first embodiment shown in FIG. 1 (c). In the method, the hanging bracket 10 and the hanging bracket 20 are used, but it goes without saying that the hanging bracket used in the suspension supporting method of the present invention is not limited to these hanging brackets. Absent. For example, the hanging brackets 10 and 20 use two square plate-shaped permanent magnets 11 and are attracted to the deck plate 101 and the ceiling iron plate 110 by two magnetic circuits. Alternatively, a hanging bracket having one or three or more permanent magnets may be used. Also, the through holes 1 2d and 13 d formed in the bent pieces 12 b and 13 b of the side yokes 12 and 13 of the hanging metal fittings 20 were made in pairs on the left and right, but one by one or You may have more than three.

 In the suspension support method according to the first and second embodiments, the fixed objects are the deck plate 101 and the ceiling iron plate 110, but the fixed object is the deck plate 10 It is a matter of course that the object is not limited to the iron plate 1 and the ceiling iron plate 110 but may be other fixed objects having a paramagnetism such as a steel frame for beams.

 Furthermore, the fixed objects such as the deck plate 101 and the ceiling iron plate 110 are shown as being arranged horizontally, but the present invention can be similarly applied even when the fixed object is arranged at an angle. Needless to say.

Furthermore, in the hanging fittings according to the first and second embodiments, the hanging means provided on the hanging fitting is the hanging bolt holder 17, but the hanging means is, for example, a cord. It may be a locking part or a locking member through which the member is inserted, or a mechanism such as a universal joint: In the hanging fittings according to the first and second embodiments, a plurality of rectangular plate-shaped permanent magnets and a plurality of yokes are integrated with a tapping screw. By making the diameter of the hole through which the pin shafts of the plurality of rectangular plate-like permanent magnets and the plurality of yokes penetrate larger than the diameter of the pin shaft, the plurality of rectangular plate-like permanent magnets and the plurality of yokes have paramagnetism. The surface of the fixed object is provided so as to be slidable individually, and the attracting surfaces of the rectangular plate-shaped permanent magnet and the yoke can be individually positioned following the irregularities of the surface of the fixed object. It can also increase the adsorption power to fixed objects.

Claims

The scope of the claims  1. In the suspension support method for suspending and supporting a suspended object on a paramagnetic fixed object,  A suspending member having a permanent magnet is temporarily fixed to the fixed object by the magnetic force of the permanent magnet, and thereafter, the suspending member is permanently fixed to the fixed object by welding, and the hanging object is suspended and supported by the suspending member. A hanging support method.  2. In the suspension support method of suspending and supporting a suspended object on a paramagnetic fixed object,  Temporarily fixing a hanging member having a permanent magnet to the fixed object by the magnetic force of the magnet, and then permanently fixing the hanging member to the fixed object with a tapping screw, and suspending and supporting the suspended object on the hanging member. Characteristic suspension support method.  3. In the suspension support method of suspending and supporting a suspended object on a paramagnetic fixed object,  A suspension fitting having a permanent magnet is temporarily fixed to the fixed object by the magnetic force of the permanent magnet, and then a pilot hole is drilled in the fixed object, and then the suspension fitting is attached to the fixed body with a tapping screw. A hanging support, wherein the hanging object is suspended and supported by the hanging bracket.  4. A permanent magnet that is attracted to a paramagnetic fixed object,  An attachment body having the permanent magnet body and having a through hole for fixing the paramagnetic fixed object to the paramagnetic fixed object using a tapping screw;  And a suspending means provided on the attachment body for suspending and supporting a suspended object.  5. The suspension fitting according to claim 4, wherein the permanent magnet body is configured such that a plurality of permanent magnets are arranged such that magnetic poles of the same polarity face each other.  6. The suspension fitting according to claim 4, wherein the permanent magnet body is configured such that a plurality of permanent magnets are arranged so that magnetic poles having opposite polarities face each other.  7. The suspension fitting according to claim 4, wherein the permanent magnet body is formed of one permanent magnet. 8. The hanging fitting according to claim 4, wherein the mounting body also serves as a yoke. 9. The suspension fitting according to claim 4, wherein the suspension means is a locking portion or a locking member through which the cord tying member is inserted.  10. The suspension fitting according to claim 4, wherein the suspension means is a universal joint.  11. The permanent magnet body includes one or more square plate-shaped permanent magnets, a plurality of yokes, and a pin shaft loosely fitted in a hole formed in the square plate-shaped permanent magnet and the yoke. The square plate-shaped permanent magnet and the yoke are individually slidably provided on the surface of the fixed object having paramagnetism, and the attraction surfaces of the square plate-shaped permanent magnet and the yoke are uneven on the surface of the fixed object. 5. The hanging bracket according to claim 4, wherein the hanging bracket is configured so as to be able to be individually positioned so as to follow each other.