JP2000255967A - Suspension ring automatic slinging device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically conduct slinging work of a sling/suspension ring attached to flexible container, for handling work for a granule packed by the flexible container, without requiring a labor. SOLUTION: This device is composed of extendable arms 2 attached to both end underfaces of a suspension tool base body 1, attracting mechanisms 5 provided in lower ends of the arms 2 to attract a cargo-handling sling/ suspension ring 10 of a container and an arm-turning mechanism 4 for turning lower parts of the arms 2 toward hooks 6 provided in the base body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to cereals, marine products,
The present invention relates to an automatic sling and sling slinging device for handling a package of granular material such as feed, chemicals, metal particles, and non-metal particles.

[0002]

2. Description of the Related Art Granules such as cereals, marine products, feed, chemicals, metal particles, non-metal particles, and the like are generally packaged in flexible containers made of resin, cloth, paper, and the like. As shown in FIG. 5, the sling / suspension ring 10 attached to the flexible container 9 is hung by hanging it on a hanger 8 of a cargo handling device such as a crane or a forklift.

[0003]

As described above, the sling / suspension ring 10 attached to the flexible container 9 is used.
Conventionally, the sling operation is carried out manually by a slinging operator because the shape and state of the sling / suspension ring 10 are unstable and unstable. Was.

[0004] However, such a slinging operation,
It was extremely dangerous because it was performed in a bad environment in high places, and the work efficiency was poor.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problem and to manually sling a sling / suspension ring attached to a flexible container for cargo handling of a granular material packed in the flexible container. It is an object of the present invention to provide a device which can be performed by remote control without requiring a computer.

[0006]

The invention described in claim 1 of the present application is directed to a telescopic arm attached to each lower surface of both ends of a hanging base and a container provided at a lower end of the arm. A suction mechanism for adsorbing the cargo handling sling / suspension ring, and a lower portion of the arm is rotated toward a hook provided on the hanging tool base, and the sling / suspension ring adsorbed on the suction mechanism is engaged with the hook. It is characterized by comprising an arm rotating mechanism for stopping.

According to a second aspect of the present invention, the suction mechanism provided at the lower end of the arm comprises an electromagnetic magnet-type suction piece, and the electromagnetic magnet-type suction piece is attached to a cargo handling sling / suspension ring of the container. It is characterized in that the sling / suspension ring is locked to the hook by the rotation of the arm after being attracted to the attached magnetic fitting.

According to a third aspect of the present invention, the suction mechanism provided at the lower end of the arm comprises a vacuum-type suction piece, and the vacuum-type suction piece is suctioned to a cargo handling sling / suspension ring of the container. Further, the sling / suspension ring is locked to the hook by rotating the arm.

[0009]

Next, the present invention will be described with reference to the drawings. 1 to 3 are schematic front views showing a first embodiment of the device of the present invention in an operating state. As shown in the drawing, the apparatus of the present invention is a cargo handling and transporting apparatus, for example, a hoist base 1 suspended by a hook 8 on a hoist 7 that moves horizontally along a guide rail such as an I-beam.
A retractable arm 2 rotatably mounted on a pin 3 on each of lower surfaces of both side ends of the hanging member base 1 and a container handling sling / suspension ring provided at a lower end of the arm 2 are sucked. Magnet-type suction piece 5 as a suction mechanism
A hydraulic cylinder 4 as an arm rotating mechanism, which is attached between the arm 2 and the hanging base 1, and the hanging base 1
And a hook 6 of a predetermined length fixed to the lower surface of the central part of the head.

The arm 2, which is pivotally mounted on the suspension base 1 by the pin 3, operates the
Can be turned toward the hook 6 around the axis. The arm 2 is tubular, and as shown in FIG. 2, the inner tube 2 a is inserted so as to be able to expand and contract by an expansion mechanism (not shown).
At the tip of the inner tube 2a, an electromagnetic magnet type suction piece 5 as a suction mechanism is attached.

[0011] 9 is made of resin, which is packed with grains such as cereals, marine products, feed, chemicals, metal grains, non-metal grains, etc.
It is a flexible container made of cloth, paper, or the like, and a cargo handling sling / suspension ring 10 is attached to the flexible container 9, and a distal end portion of the sling / suspension ring 10 is placed on the upper surface of the flexible container 9.

Next, the operation of the apparatus of the present invention will be described. As shown in FIG. 1, the hoist 7 is moved and positioned above the flexible container 9 to be lifted. On the other hand, a rotating magnetic clip 11 is attached in advance as a lifting metal fitting to the tip of the cargo handling sling / suspension ring 10 placed on the upper surface of the flexible container 9.

Next, as shown in FIG. 2, the inner tube 2a of the arm 2 is extended by a telescoping mechanism (not shown), and an electromagnetic magnet type suction piece 5 provided at the tip of the inner tube 2a is moved.
It is brought into contact with a rotary magnetic clip 11 attached to a terminal portion of a cargo handling sling / suspension ring 10 placed on the upper surface of the flexible container 9. As a result, the rotary magnetic clip 11 is attracted to the electromagnetic magnet attracting piece 5.

Next, as shown in FIG. 3, the inner tube 2a of the arm 2 is reduced by a telescopic mechanism (not shown), and the leading end of the cargo handling sling / suspension ring 10 attracted to the electromagnetic magnet type suction piece 5 at the tip. Is pulled up to a position corresponding to the height of the hook 6 fixed to the lower surface of the center portion of the hanging base 1, and then the tip end of the arm 2 is rotated by the fluid pressure cylinder 4 toward the hook 6, and the sling is lifted. Lock the tip of the suspension ring 10 to the hook 6.

In this manner, the cargo handling sling / suspension ring 10
After the leading end portion is locked to the hook 6, the rotary magnetic clip 11 attached to the sling / suspension ring 10 is removed and used for the next slinging operation.

Accordingly, the rotating magnetic clip 11 is connected to the cargo handling sling / suspension ring 1 of all the flexible containers 9.
It is not necessary to attach the flexible container 9 at the time of loading and unloading the flexible container 9. That is, when the flexible container 9 enters the warehouse, the rotary magnetic clip 11 is attached to the sling / suspension ring 10 before the handling thereof, and when it leaves the warehouse, it can be removed and recovered by remote control immediately after loading the truck, ship, or the like. .

Incidentally, such a work of detaching the hanging ring is performed by visually checking using a monitor television or the like.

FIG. 4 is a schematic front view showing a second embodiment of the apparatus of the present invention. As shown in FIG. 4, the apparatus of the second embodiment includes a hoist 7 as a cargo handling and transporting apparatus, and a hoist base 1 which is attached to the hoist 7 so as to be able to move up and down by a hanging wire rope 17. The lifting tool base 1 includes an elevating mechanism 12 formed of, for example, a fluid pressure cylinder provided on each lower surface of both side ends of the lifting tool base 1, a first arm 13 attached to the elevating mechanism 12 so as to be able to move up and down,
A second arm 14 having a vacuum-type suction piece 16 at a tip end rotatably mounted on a lower end of the first arm 13 by a pin 14a, and a predetermined arm fixed to the lower surface of the central portion of the hanging base 1. And a hook 6 of a length. This hanger base 1
A pulley 18 on which the hanging wire rope 17 is hung is provided on the central upper surface of the vehicle, and the suspension base 1 is supported so as to be able to move up and down by the action of the pulley 18 and the hanging wire rope 17.

Between the lower part of the first arm 13 and the upper part of the second arm 14, a hydraulic cylinder 15 as an arm rotating mechanism is mounted. And the pin 14a as an axis and can be turned toward the hook 6. A cargo handling sling / suspension ring 10 is attached to the flexible container 9, and a tip portion of the sling / suspension ring 10 is placed on the upper surface of the flexible container 9.

Next, the operation of the device of the present invention will be described. As shown in FIG. 4, the hoist 7 is moved to position the apparatus of the present invention above the flexible container 9 to be lifted. Next, the driving device in the hoist 7 is operated to extend the suspension wire rope 17, and the suspension base 1
Is lowered to a predetermined position above the flexible container 9. Then, the elevating mechanism 12 is operated to lower the first arm 13 and the second arm 14 to the position C, and the vacuum-type suction piece 1 provided at the tip of the second arm 14 is moved.
6 is brought into contact with the leading end of the cargo handling sling / suspension ring 10 placed on the upper surface of the flexible container 9, and a vacuum mechanism (not shown) is operated to attract the sling / suspension ring 10 to the vacuum type suction piece 16. Let it.

Next, the elevating mechanism 12 is operated to
The arm 13 and the second arm 14 are raised to the intermediate position B, and the fluid pressure cylinder 15 mounted between the lower part of the first arm 13 and the upper part of the second arm 14 is operated. As a result, the tip of the second arm 14 is turned toward the hook 6, and then the vacuum mechanism (not shown) is operated to release the suction of the cargo handling sling / suspension ring 10 by the vacuum suction piece 16. Thus, the sling / suspension ring 1
The leading end of the hook 0 is locked by the hook 6.

In this manner, the cargo handling sling / suspension ring 1
After the front end of the lifting mechanism 1 is locked to the hook 6,
2, the first arm 13 and the second arm 14
Return to the original position, and suspend the suspension wire rope 17
Is lifted up to return to the position A.

According to the above-described apparatus of the first embodiment and the apparatus of the second embodiment of the present invention, the sling operation of the cargo handling sling / suspension ring attached to the container for the cargo handling of the flexible container is performed by the sling. -Despite the indefinite and unstable shape and state of the suspension ring, the operation can be performed without requiring humans. Further, if an ITV camera for monitoring is installed, remote automatic operation can be performed.

[0024]

(Example 1) The cargo handling in a warehouse of a flexible container in which livestock feed is packed is described in the first embodiment of the present invention.
The test was performed using the apparatus of the embodiment under the following conditions.

[Usage conditions] Warehouse area: 36m × 64.5m × 2 buildings (4,644m2), flexible container: Dimensions: diameter 1.1m × height 1.12m Weight: 0.5 ton / 1 piece Storage space: Max 7840 pieces (Max 4 stacks) Hoist crane: 4 Hoists 4 units / crane (with flexible cone sling / suspension ring automatic boring device)

As a result, 1200 flexible containers can be loaded and unloaded from the warehouse in 8 hours, and the number of loaded and unloaded items is greatly increased as compared with the conventional manual slinging operation, which is extremely efficient. As a result, the number of rigging personnel has been reduced, which has enabled significant rationalization.

(Embodiment 2) The cargo handling in a warehouse of a flexible container packed with livestock feed is planned by using the apparatus of the first embodiment of the present invention under the following conditions (Example), Is compared with the case of planning for forklift loading (comparative example).

[Usage conditions] Flexible container dimensions: 1.1 m in diameter x 1.12 m in height Weight: 0.5 ton / piece Maximum arrival / shipment quantity: 700 ton / day (operating time: 7 hours / day) Peak treatment Amount: 200 tons / hour Storage warehouse area: 3300 m ²

The results are shown in Table 1 below. In addition,
The cranes described in the column of the operator in the table indicate cranes on which hoists are installed.

[0030]

[Table 1]

As described above, it is possible to improve the accommodation operation by about 30% and to rationalize the number of staff members by six.

[0032]

As described above, according to the present invention,
The sling operation of the cargo handling sling / suspension ring attached to the flexible container for cargo handling of the granular material packed by the flexible container can be performed even if the shape and condition of the sling / suspension ring are irregular and unstable. regardless of,
An industrially superior effect that can be performed without requiring human labor is provided.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing a first embodiment of the device of the present invention.

FIG. 2 is a schematic front view showing an operation state of the apparatus of FIG. 1;

FIG. 3 is a schematic front view showing a state when slinging is completed by the apparatus of FIG. 1;

FIG. 4 is a schematic front view showing a second embodiment of the device of the present invention.

FIG. 5 is a schematic perspective view showing a conventional lifting state of a flexible container.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Suspension base 2 Arm 2a inner pipe 3 Pin 4 Fluid pressure cylinder 5 Magnet type suction piece 6 Hook 7 Hoist 8 Suspension 9 Flexible container 10 Loading sling / suspension ring 11 Magnetic clip 12 Lifting mechanism 13 First arm 14 Second arm 15 Fluid pressure cylinder 16 Vacuum suction piece 17 Hanging wire rope 18 Pulley

Claims (3)

[Claims] 1. A telescopic arm attached to each lower surface of both ends of a hanger base, a suction mechanism provided at a lower end of the arm for adsorbing a cargo handling sling / suspension ring, and a lower portion of the arm. It is characterized by comprising an arm rotating mechanism for rotating toward a hook provided on the hanging member base, and for locking the sling / suspension ring which is sucked by the suction mechanism to the hook. Suspension ring automatic slinging device. 2. An attraction mechanism provided at a lower end of the arm is made of an electromagnetic magnet type adhesive piece.
The apparatus according to claim 1, wherein the sling / suspension ring is locked to the hook by rotating the arm after being attracted to a magnetic fitting attached to the suspension ring. 3. A suction mechanism provided at a lower end of the arm comprises a vacuum-type suction piece. The vacuum-type suction piece is suctioned to a cargo handling sling / suspension ring of the container, and then the arm is turned. The apparatus according to claim 1, wherein the sling / suspension ring is locked to the hook by movement.