JP2011016628A - Suspending cargo alarm device and suspending-moving method of suspending cargo - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove an alarm by stopping an alarm sound by turning off a manual switch of the alarm in a safe position where a cargo receiver is separate by a specific distance or more from a suspending cargo.SOLUTION: This suspending cargo alarm device has an assist rope 21 and the alarm 2 removably installed on the assist rope 21. Before moving the suspending cargo 23, the alarm 2 is installed on the assist rope 21, and a manual switch 6 is turned on and put in a state of generating the alarm sound. Next, the suspending cargo 23 is suspended and moved, and when the suspending cargo 23 reaches an object position, the cargo receiver 27 guides by gripping the assist rope 21, and finishes generation of the alarm sound in the alarm 2 by turning off the manual switch 6, and then, removes the alarm 2 from the assist rope 21.

Description

  The present invention relates to a suspended load alarm device that generates an alarm sound and calls attention when lifting a suspended load by a lifting machine such as a crane, and a lifting load moving method.

  Conventionally, when lifting a lifted load by a lifting machine such as a crane, it is often attached to a hoisting hook as an alarm device that generates an alarm sound and alerts workers around the suspended load. Known (for example, Patent Document 1). However, since the hooks of the hoisting machine have various shapes, there is a problem that it is not possible to deal with various types of hooks with one alarm device.

  Conventionally, as this type of alarm device, one that generates an alarm sound by wireless remote control is known (for example, Patent Document 1). However, the alarm device that is wirelessly controlled in this way has a problem that the cost is high and a failure is likely to occur.

  Further, Patent Document 2 discloses an alarm device that is operated to generate and stop an alarm sound by a manual switch and is attached to a lower portion of a suspended load. In this alarm, the consignee (the person who removes the ball) at the destination of the suspended load must turn off the manual switch of the alarm to stop the alarm sound or to approach the suspended load when removing the alarm. There was a safety problem. In particular, the consignee wants to stop the alarm sound as soon as possible after the movement of the suspended load is completed, and therefore, the consignee may approach the suspended load before the suspended load completely disappears and be hit by the suspended load. There was a big problem.

  There is also a problem that the alarm device may be damaged under the suspended load.

  Furthermore, when the alarm device hits another object and breaks while the suspended load is moving, there is a problem that fragments are scattered around and dangerous.

JP-A-6-56385 Utility Model Registration No. 3102524

  The present invention has been made in view of such conventional circumstances, and one of the objects of the present invention is to turn off the manual switch of the alarm device at a safe position where the consignee is more than a certain distance away from the suspended load. Thus, an object of the present invention is to provide a suspended load alarm device capable of stopping an alarm sound and removing an alarm device, and a method for lifting a suspended load.

  Another object of the present invention is to provide a suspended load alarm device and a method for lifting and moving a suspended load, in which an alarm device is not damaged under the suspended load.

  Another object of the present invention is to suspend and lift a suspended load alarm device, in which there is no risk of debris flying around even if the alarm device hits another object and breaks during the movement of the suspended load. It is to provide a method.

  Another object of the present invention is to provide a suspended load alarm device and a method for lifting and moving a suspended load that can be applied to a lifting machine having any shape of hook.

  Another object of the present invention is to provide a suspended load alarm device and a method for lifting a suspended load that can reduce the manufacturing cost, are less likely to fail, and have high reliability.

  Still other objects of the present invention will become apparent from the following description.

The suspended load alarm device according to the present invention comprises:
It has an intermediary rope attached to a suspended load at one end side, and an alarm device that is detachably attached to the interposition rope.
The alarm device has a manual switch, and an alarm sound is generated and stopped by turning on / off the manual switch.

Moreover, the lifting and moving method of the suspended load according to the present invention includes:
A step of preparing an alarm device having a manual switch and operating the generation and stop of an alarm sound by turning on and off the manual switch;
Attach one end of the interposition rope to the suspended load;
Removably attaching the alarm device to the interposition rope, and turning on the switch so that the alarm device is generating an alarm sound,
Lifting and moving the suspended load;
After the suspended load reaches the target position, grasping the guiding rope and guiding it, turning off the manual switch of the alarm device and terminating the alarm sound generation,
Removing the alarm from the interposition rope.

  In the present invention, the alarm device is not attached directly to the suspended load, but is attached to an intervening rope, so that the consignee turns off the manual switch of the alarm device at a safe position that is more than a certain distance from the suspended load. The alarm can be stopped and the alarm can be removed from the suspended load.

  Further, in the present invention, the alarm device is not directly attached to the suspended load, but is attached to the interposition rope, so that there is no possibility that the alarm device becomes an underlay of the suspended load and is damaged.

  Moreover, since an alarm is not attached to a hook, it can respond to the lifting machine which has a hook of any shape.

  Further, in the present invention, since the generation and stop of the alarm sound of the alarm device is operated by the manual switch, regardless of the wireless remote control, the alarm device can be manufactured at low cost, and the failure is less likely to occur. The reliability will be higher.

  In addition, it is possible to attach the alarm device to the intermediate rope by attaching the rope attached ring to the middle part of the intermediate rope and detachably connecting the fixture attached to the alarm side to the rope attached ring. If so, it is possible to easily and quickly attach and remove the alarm to / from the intervening rope.

  In addition, the rope is attached to the rope by passing the rope through the rope ring and making a knot in the rope so that the rope ring is taken into the knot and penetrates the knot. If the attachment ring is attached, the attachment position of the rope attachment ring with respect to the interposition rope can be changed as appropriate by changing the position of the knot.

  In addition, if the alarm device is housed in a mesh bag and this mesh bag is attached to an intermediate rope, even if the alarm device hits another object and breaks while the suspended load is moving, the intermediate rope There is no risk that the debris stops in the mesh bag attached to the sack, and the debris scatters around.

The suspended load alarm device of the present invention is
(A) When the suspended load reaches the target location, the consignee turns off the alarm switch by turning off the manual switch of the alarm at a safe position that is more than a certain distance from the suspended load, and removes the alarm from the suspended load. Can be removed,
(B) There is no risk that the alarm will be damaged under the suspended load,
(C) Can be used with any lifting machine with hooks of any shape.
(D) The manufacturing cost of the alarm device can be reduced, the failure is less likely to occur, and the reliability of the alarm device is increased.
(E) By attaching a rope attachment ring to the middle part of the intermediate rope and detachably connecting the attachment attached to the alarm side to the rope attachment ring, the alarm can be attached to the intermediate rope. If so, you can easily and quickly attach and remove the alarm from the intervening rope.
(F) Passing the intervention rope through the rope attachment ring, and then making a knot in the intervention rope so that the rope attachment ring is taken into the knot and penetrates the knot, If the rope attachment ring is attached, by changing the position of the knot, the attachment position of the rope attachment ring with respect to the intermediate rope can be changed as appropriate.
(G) If the alarm device is housed in a mesh bag and this mesh bag is attached to the intermediate rope, even if the alarm device hits another object while it is moving, There is no risk of debris flying around,
It is possible to obtain excellent effects such as.

It is a perspective view which shows the alarm device in one Example of the suspended load alarm apparatus of this invention. It is a front view which shows the said alarm device. It is a bottom view which shows the said alarm device. It is a block diagram which shows the electric system of the said alarm device. It is a perspective view which shows the net bag in the said Example. It is a front view which shows the state which accommodated the alarm device in the net bag in the said Example. It is a front view which shows the interposition rope in the said Example. FIG. 8 is an enlarged view of the vicinity of the rope attachment ring attachment portion of the interposition rope of FIG. 7. It is a side view which shows the said rope attachment ring. It is work explanatory drawing which shows the step which attaches an alarm to an interposition rope and turns on a manual switch in the lifting movement work of the suspended load in the said Example. In the lifting and moving work of the suspended load in the embodiment, while the suspended load is moving, it is an operation explanatory diagram showing a stage in which the alarm device generates an alarm sound and alerts the surroundings. In the lifting and moving work of the suspended load in the embodiment, after the suspended load reaches the target place, the consignee guides the interposition rope and turns off the manual switch of the alarm device. . FIG. 5 is an operation explanatory diagram illustrating a stage in which a consignee performs an unloading operation by changing an alarm device to his / her waist in the lifting and moving operation of a suspended load in the embodiment.

  Hereinafter, the present invention will be described based on embodiments shown in the drawings.

  1-13 shows one Example of this invention, Among these, FIGS. 1-3 has shown the alarm device 2 and the suspension ring 3 of the suspended load alarm apparatus 1 in a present Example. The alarm device 2 has a lower case 4 made of plastic and an upper case 5 made of plastic screwed into the lower case 4. The lower case 4 includes a manual switch 6 and an LED. The lamps 7 are mounted such that some of them are exposed to the outside. Further, in the lower case 4 and the upper case 5, an electric system shown in FIG. 4 and a dry battery (not shown) serving as a power source of the electric system are accommodated. The hanging ring 3 is formed by connecting an appropriate number (three in the figure) of rings 3a to 3c in series. A suspension ring support 8 having an inverted U shape is attached to the upper end portion of the upper case 5, and a ring 3 c at the lower end of the suspension ring 3 is connected to the suspension ring support 8. Has been.

  Next, the electrical system will be described with reference to the block diagram of FIG. When the manual switch 6 is turned on, the control unit 9 turns on the LED lamp 7, and the alarm signal output unit 10 outputs a voice alarm sound signal and a non-voice alarm saying "The suspended load is moving! The sound signals are alternately output, and these signals are amplified by the amplifying unit 11 and input to the speaker 12. As a result, when the manual switch 6 is turned on, a voice warning sound “non-voice warning sound” and “sound load is moving! The speaker 12 is attached to the lower case 4 so as to face downward, as indicated by a one-dot chain line in FIG.

  FIG. 5 shows the net bag 13 in the present embodiment. The net bag 13 includes a net bag main body 14, a tightening string 15, a conventionally known fastener 16, and a hanging string 17. A string accommodating portion 19 is sewn on the mesh bag main body 14 so as to go around the opening 18 along the opening 18 of the mesh bag main body 14, and the fastening string 15 passes through the string accommodating portion 19. Has been. The fastening string 15 is formed in a loop shape by connecting both ends thereof. And the part pulled out from the string accommodating part 19 of the fastener 15 is inserted in the fastener 16, and the opening 18 is moved by moving the fastener 16 along the fastener 15. It can be opened wide or fixed in a small squeezed state.

  At the time of use, the alarm device 2 is accommodated in the net bag body 14 of the net bag 13 as shown in FIG. When the alarm device 2 is put into the mesh bag body 14, the fastener 16 is moved in the direction in which the fastening strap 15 is loosened to enlarge the opening 18, and the alarm device 2 is completely accommodated in the mesh bag body 14. Then, the fastener 16 is moved in the direction in which the fastening strap 15 is tightened to make the opening 18 small, so that the alarm device 2 does not jump out of the net bag body 14. Moreover, the fixture 20 which consists of a snap hook is connected to both the ring 3a of the upper end of the hanging ring 3 of the alarm device 2, and the hanging strap 17 of the net bag 13.

  FIG. 7 shows the interposition rope 21 in the present embodiment. A hook 22 is attached to one end of the intermediate rope 21, and the intermediate rope 21 is detachably attached to the suspended load 23 at one end side by the hook 22. A rope attached ring 24 is attached to an intermediate portion of the interposition rope 21. More specifically, as shown in FIG. 8, the rope attached ring 24 is inserted into the knot 25 after passing the interposition rope 21 through the rope attached ring 24, and the knot 25 By attaching the knot 25 with a solid knot so as to penetrate the cable, the cable is attached to the intervening rope 21.

  Next, the lifting and moving operation of the suspended load 23 in this embodiment will be described with reference to FIGS.

  First, as shown in FIG. 10, the slinger 26 hangs the suspended load 23 on the hook 28 of a lifting machine (not shown) such as a crane and hangs the hook 22 of the interposed rope 21 on the suspended load 23. After attaching one end of 21 to the suspended load 23, the alarm device 2 is attached to the intermediate portion of the intermediate rope 21 via the fixture 20 and the hanging ring 3 by connecting the fixture 20 to the rope attachment ring 24. Be suspended. When the alarm device 2 is attached to the intervening rope 21 as described above, the alarm device 2 is kept in the net bag 13 as shown in FIG. Both the lowering ring 3 and the hanging strap 17 of the net bag 13 are connected. Subsequently, the slinger 26 turns on the manual switch 6 of the alarm device 2. As a result, the alarm device 2 continues to alternately generate a voice warning sound and a non-voice warning sound “The suspended load 23 is moving!

  Next, a lifting machine operator (not shown) operates the lifting machine to lift and move the suspended load 23 as shown in FIG. During the lifting and movement of the suspended load 23, the sound warning sound and the non-voice warning sound continue to alert the surrounding workers and the like alternately.

  When the suspended load 23 reaches the target location, as shown in FIG. 12, the consignee 27 grasps and guides the intervening rope 21, turns off the manual switch 6 of the alarm device 2, and the voice alarm sound and the non-voice alarm sound. Stop.

  Next, the consignee 27 performs unloading work after changing the alarm device 2 to the waist as shown in FIG.

  In the suspended load alarm device 1 and the lifting and moving method of the suspended load 23, the alarm device 2 is not directly attached to the suspended load 23, but is attached to the intermediary rope 21. The manual switch 6 of the alarm device 2 can be turned off to stop the alarm sound and the alarm device 2 can be removed from the suspended load 23 at a safe position.

  Moreover, since the alarm device 2 is not directly attached to the suspended load 23 but is attached to the interposition rope 21, there is no possibility that the alarm device 2 becomes an underlay of the suspended load 23 and is damaged.

  Moreover, since the alarm device 2 is not attached to the hook 28 of the lifting machine, the lifting machine having any shape hook can be used.

  Moreover, since the alarm switch 2 is activated and stopped by the manual switch 6 regardless of the wireless remote operation, the manufacturing cost of the alarm device 2 can be reduced, and the failure of the alarm device 1 can be reduced. Increased reliability.

  Further, in this embodiment, the rope attached ring 24 is attached to the intermediate portion of the intervening rope 21, and the alarm 20 can be removably connected to the rope attached ring 24 by attaching the fixture 20 attached to the alarm device 2 side. Since the device 2 can be attached to the interposition rope 21, the alarm device 2 can be attached to and detached from the interposition rope 21 easily and quickly.

  In the present embodiment, the rope 25 is passed through the rope 21 and the rope ring 24 is taken into the knot 25 and passes through the knot 25 so that the knot 25 is inserted. Since the rope attachment ring 24 is attached to the interposition rope 21 by making it, the attachment position of the rope attachment ring 24 with respect to the interposition rope 21 can be appropriately changed by changing the position of the knot 25.

  Further, in this embodiment, the alarm device 2 is accommodated in the mesh bag 13 and the mesh bag 13 is attached to the intermediate rope 21, so that the alarm device 2 is moved to another object during the movement of the suspended load 23 by any chance. Even if it collides and breaks, it is safer because fragments are stopped in the mesh bag 13 attached to the intervening rope 21 and the fragments are not scattered around.

  Furthermore, in this embodiment, the alarm device 2 is suspended from the suspended load 23 via the suspension ring 3 formed by connecting a plurality of rings 3 a to 3 c in series. Since it can rotate freely within a certain range, the posture of the alarm device 2 in a state where it is suspended from the interposition rope 21 is stabilized.

  In the above embodiment, the alarm device 2 generates both a sound alarm sound (alarm sound by sound) and a non-sound alarm sound (alarm sound not by sound). The alarm device may generate only one of an audio alarm sound and a non-audio alarm sound. Further, the alarm device may generate alarm light in addition to the alarm sound.

  INDUSTRIAL APPLICABILITY As described above, the present invention is useful as a suspended load alarm device that generates an alarm sound and calls attention when lifting a suspended load by a lifting machine such as a crane and a lifting load moving method.

DESCRIPTION OF SYMBOLS 1 Lifting load warning device 2 Alarm 6 Manual switch 13 Mesh bag 20 Attachment 21 Intermediary rope 23 Hanging load 24 Rope attached ring 25 Knot

Claims (6)

It has an intermediary rope attached to a suspended load at one end side, and an alarm device that is detachably attached to the interposition rope.
The alarm device has a manual switch, and the on / off of the manual switch is operated to generate and stop an alarm sound.   The suspended load alarm device according to claim 1, further comprising: a rope attached ring attached to an intermediate portion of the interposition rope; and a fitting attached to the alarm side and detachably connected to the rope attached ring. .   The rope-attached ring is formed by passing the intermediate rope through the rope-attached ring and then knotting the intermediate rope so that the rope-attached ring is taken into the knot and penetrates the knot. The suspended load alarm device according to claim 2, wherein the suspended load alarm device is attached to the interposition rope.   The suspended load alarm device according to claim 2 or 3, wherein the attachment is a snap hook.     The suspended load alarm device according to any one of claims 1 to 4, further comprising a net bag that accommodates the alarm device and is detachably attached to the intermediate rope. A step of preparing an alarm device having a manual switch and operating the generation and stop of an alarm sound by turning on and off the manual switch;
Attach one end of the interposition rope to the suspended load;
Removably attaching the alarm device to the interposition rope, and turning on the manual switch so that the alarm device is generating an alarm sound,
Lifting and moving the suspended load;
After the suspended load reaches the target position, grasping the guiding rope and guiding it, turning off the manual switch of the alarm device and terminating the alarm sound generation,
A method for lifting and moving a suspended load comprising the step of removing the alarm from the interposition rope.

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