JP2606912Y2 - Hanging material for long materials - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging tool for a long material used when a long material such as a small number of round steel bars bound together is lifted by a crane or the like.

[0002]

2. Description of the Related Art When a long material such as a small number of round steel bars bundled together is lifted by a crane or the like, a hanging tool called a hanging beam is generally used. The suspension beam includes a one-point suspension method and a two-point suspension method. FIG. 6 shows an example of a one-point hanging method.
Is hung from two places near both ends of a hanging beam 91 having slacks, and is hung up by hooking a hanging hand 93 on a hook of a crane. G is long material S
Indicates the position of the center of gravity. In this method, if the center of gravity G is not directly below the lifting hand 93, the entire suspension beam tilts, and even if it is directly below the suspended load, the suspended load is likely to sway, and in extreme cases the suspended load may shift and drop. Therefore, it is necessary to tie a rope to the end of the suspended load or the suspended beam, and it is necessary for an operator to move the suspended load or the suspended beam while preventing it from shaking, which is extremely dangerous.

On the other hand, in the two-point suspension type shown in FIG. 7, a suspension beam 91 is provided with two suspension hands 93 at two positions.
The crane is wound on two hooks of the crane via a wire rope 94 or the like, so that it can be safely hoisted, lowered and moved without shaking of the load. Because there is one unit per unit,
When a special crane having two hooks cannot be used, there is a problem that two cranes are required.

According to Japanese Utility Model Laid-Open No. 55-164289, in a one-point suspension type suspension beam which is not restricted by crane equipment, the inclination angle is detected, and the position of the lifting hand is moved to match the center of gravity. Is described. FIG. 8 is an overall view of the suspension beam, and 92 'is a lifting magnet.
Is a partially enlarged view showing a hanging hand moving mechanism, 95 is an auxiliary beam, 96 is a moving mechanism of the hanging hand 93, and 97 is an inclination detector.

That is, while the suspended beam is being used, the inclination of the beam is detected by the inclination detector 97, and the lifting hand moving mechanism 96 composed of a deceleration motor, a screw shaft, a nut, and the like is operated in a direction for correcting this. The position of the hanging hand 93 is adjusted in the direction of the arrow.

[0006]

With the above construction, the position of the suspension beam in the longitudinal direction of the suspension beam can be adjusted. However, a suitable number of small round steel bars are bound by C hooks and conveyed. In such a case, the center of gravity of the hanging tool and the suspended load tend to shift not only in the longitudinal direction but also in the width direction perpendicular to the longitudinal direction, since the position of the center of gravity is difficult to understand from the external appearance.
The hook tilts and the suspended load falls down.

[0007] The present invention is a single-point suspension system which is not restricted by crane equipment.
It is an object of the present invention to provide a long material hanging tool that can correct the inclination of a suspended load due to a shift in the center of gravity not only in the longitudinal direction but also in the width direction and does not have a risk of falling of the suspended load.

[0008]

SUMMARY OF THE INVENTION The present invention is directed to a long material hanging device having a pair of C hooks hanging from both ends of a beam-shaped hanging device body. a moving frame and longitudinally movable, and longitudinally moving mechanism for moving it in longitudinal direction, provided with a longitudinal tilt detector, on top of the movable frame, and the hand portion hanging and the width direction movable a widthwise moving mechanism for moving it in the width direction, and a width direction tilt detector, and
In addition, there is a stopper for opening and closing the pair of C hooks which can be opened and closed , and a hanging member for a long material having a vertical roller attached to the front side of the stopper .

[0009]

[Work] The hanging device of the present invention is provided with a mechanism for adjusting the position of the hanging hand in the longitudinal direction in the beam-shaped hanging device main body, and the hanging device has a double structure of a moving frame and a hanging device. The hanging part is configured to be movable in the width direction of the hanging tool, and the inclination detector is provided in each of the longitudinal direction and the width direction, so that the position of the hanging hand is adjusted in both directions to match the position of the center of gravity. In addition, since the opening of the C hook is provided with an openable / closable stopper for preventing the fall, a safe transfer operation without a risk of falling of the suspended load can be performed.

[0010] Further, by attaching the vertical roller to the front side of the stopper, it is easy to carry out the work of hanging down, and no flaw is generated in the surrounding suspended load.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. Figure 1 is a front view of the long material for suspender, FIG. 2 is a side view, 1 hanger body 2 or 2a, 2b is C hooks, 3,
3 ' or 3a and 3b are stoppers, 4 is a moving frame, and 5 is a hanging part. This hanging member for a long material is constituted by attaching a pair of C hooks 2a and 2b which are suspended from both ends of a beam-shaped hanging member body 1 .

A moving frame 4 is attached to the center of the hanging tool main body 1 so as to be movable in the longitudinal direction. Further, the hanging part has a double structure of the moving frame and the hanging part, and is suspended above the moving frame 4. The hand 5 is incorporated so as to be movable in the front-rear direction (the width direction of the hanger main body 1). Moving frame 4
A screw shaft 412 is fixed to the hanging body 1 via a bracket 413 so as to mesh with the nut 411, and a screw shaft 412 is attached to the shaft end of the screw shaft 412.
The longitudinal movement mechanism 41 is provided with a speed reduction motor 414 for rotating the motor. That is, the moving frame 4 is configured to move in the longitudinal direction (the left-right direction in FIG. 1) on the hanging member main body 1 by rotating the speed reduction motor 414, thereby enabling the moving of the hanging point in the longitudinal direction.

In a state in which the elongate hanging member is lifted by a crane, the inclination exceeding a set limit is detected in a direction indicated by an arrow a in FIG. In this case, the position of the lifting hand is made to coincide with the position of the center of gravity by operating the longitudinal moving mechanism 41 to move the moving frame 4 in the direction to correct the inclination, that is, in the direction of the arrow a 'in FIG. Then, the hanger main body 1 is returned to the horizontal state.

A nut 511 is fixed to the lifting part 5, and a screw shaft 512 is attached to the nut 511 by a bracket.
The widthwise moving mechanism 51 is constituted by being rotatably fixed to the moving frame 4 via a 513 and being provided at the shaft end of the screw shaft 512 with a reduction motor 514 for rotating the screw shaft 512. That is, the lifting part 5 is configured to move in the width direction (the left and right direction in FIG. 2) on the moving frame 4 by rotating the deceleration motor 514, thereby enabling the movement of the hanging point in the width direction. Therefore, in a state where the elongate material hanging tool is similarly lifted by the crane, the width direction inclination detector 52 attached to the side surface of the moving frame 4 detects the inclination exceeding the set limit in the direction indicated by the arrow b in FIG. Then, the width direction moving mechanism 51 is operated, and only the hanging hand 5 is moved by the arrow in FIG.
Move in the direction of b 'to correct this.

The details of the longitudinal tilt detector 42 are shown in FIG. The weight 421 is suspended by an upper pin 422 so as to be swingable in the direction of arrow a. A pair of limit switches 423a and 423b are installed in the swinging directions on both sides, and when the weight 421 is tilted and actuated, a tilt signal is transmitted to turn on the indicator lamp (not shown) and at the same time as described above. Corrective action is taken. In order to prevent hunting from occurring due to the reciprocating motion of the weight 421, the weight 421
The lower end is connected to a damper 424. The effect of hunting can be completely eliminated by providing a timer and setting a waiting time between the end of tilt detection by the detector and the operation of the moving mechanism. The detection sensitivity can be arbitrarily adjusted by setting the positions of the limit switches 423a and 423b. By mutually adjusting the waiting time by the timer and the setting of the position of the limit switch, it is possible to further improve the level of the hanger.

The same applies to the width direction tilt detector 52. The mounting direction of each of these detectors must be determined according to the inclination to be detected, but since the entire long material hanger always tilts in the same way, the mounting position must be particularly limited. There is no. It should be noted that the tilt detector in the present invention is not limited to those exemplified here, and may be any type including a commercially available mercury inclinometer.

As shown in FIG . 2, one side of the C hook 2 has
There is a danger of falling when the suspended load swings because it is open
During transportation, the door is closed during transportation to prevent it from falling.
A topper 3 is provided. Stopper shown in FIGS. 1 and 2
Reference numeral 3 denotes an elongated plate, and the reduction motor 31 (31a, 31b)
Engages with the rack attached to the back of the stopper 3
Rotate the pinion and slide it up and down to open and close. 4 and 5 show another embodiment of the stopper for closing the opening of the C hook. The stopper 3 'is attached to a shaft 33' provided on the upper portion of the C hook 2 and is rotatable together with the shaft 33 '. When the stopper 3' is opened, the rotation of the deceleration motor 31 'causes the shaft 33' to move through the chain. By rotating the ', it opens upward as shown by the chain line in FIG.

Further, in this embodiment, a vertical roller 32 'is mounted on the front side of the stopper 3'. When transporting a long object and hanging it at a predetermined position, if there is a long object already placed on the table, lightly touch the vertical roller 32 'to stop the swing of the suspended load and leave it as it is. It is efficient because it can be hung and it is not necessary to wait for the swing of the suspended load to stop naturally. Even if the stopper 3 'is opened and closed while the vertical roller 32' is in contact with another load, no flaw is generated because the roller rotates.

In place of the vertical roller 32 ', a plate-like material having a soft surface can be used.

[0020]

According to the present invention, displacement of the center of gravity in the width direction as well as in the longitudinal direction is detected and the position of the lifting hand is moved to correct this displacement. Because it is closed, it is possible to safely convey a long material such as a round steel bar or the like that is hard to determine the position of the center of gravity in appearance.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a side view showing the embodiment of the present invention.

FIG. 3 is a front view showing details of the tilt detector in the embodiment of the present invention;

Parts showing another embodiment of the stopper of Figure 4 the present invention
It is a minute enlarged side view.

FIG. 5 is a front view of FIG. 4;

FIG. 6 is a front view showing a conventional technique.

FIG. 7 is a front view showing another conventional technique.

FIG. 8 is a front view showing still another conventional technique.

FIG. 9 is an enlarged detail view showing a part of FIG. 8;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Hanger main body 2 C hook 3 , 3a, 3b, 3 ' Stopper 31, 31' Reduction motor 32 'Vertical roller 33' Shaft 4 Moving frame 41 Longitudinal moving mechanism 411 Nut 412 Screw shaft 413 Bracket 414 Reduction motor 42 Longitudinal Tilt detector 421 Weight 422 Pin 423 Limit switch 424 Damper 5 Lifting hand 51 Width moving mechanism 511 Nut 512 Screw shaft 513 Bracket 514 Deceleration motor 52 Width tilt detector 91 Suspended beam 92 Sling wire rope 92 'Lifting magnet 93 Suspended Hand 94 Wire rope 95 Auxiliary beam 96 Lifting hand moving mechanism 97 Tilt detector

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takaya Ogawa 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref. Chome (without address) Kawasaki Steel Corporation Mizushima Works (72) creator Keiichi Kobayashi 6-16-26 Moundoshima, Nishiyodogawa-ku, Osaka, Osaka Kawamura Industries, Ltd. (72) creator Yuichi Nakai Nishiyodogawa, Osaka, Osaka 6-16-26 Mionjima, Ward Inside Kawamura Industries Co., Ltd. (56) References JP-A-52-33244 (JP, A) JP-A-59-149294 (JP, A) Japanese Utility Model Showa 55-164289 (JP, U (58) Field surveyed (Int. Cl. ⁷ , DB name) B66C 13/00-15/06 B66C 1/24

Claims (1)

(57) [Scope of request for utility model registration] 1. A long material hanging device having a pair of C hooks (2) hanging from both ends of a beam-shaped hanging device body (1), in the vicinity of the center of the hanging device body (1). in the longitudinal direction movable with the movable frame (4), the longitudinal movement mechanism for moving it in the longitudinal direction (41), longitudinal tilt detector (42) and provided with a, the moving frame (4) Hanging part (5) that can be moved in the width direction at the top
And a width direction moving mechanism (51) for moving this in the width direction
When, and a width direction tilt detector (52), further, the 1
Can be opened and closed to close the opening of the pair of C hooks (2)
Functioning stopper (3 ') and a vertical roller on the front side of the stopper (3').
(32 ') .