JPH0340824Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is a container bucket with an opening/closing door for introducing stored contents from a container bucket of ore, slag powder, etc. into a bunker or hopper;
The present invention also relates to an automatic opening/closing device for a container bucket with an opening/closing door, which is comprised of a pedestal, etc., which automatically opens the opening/closing door and into which a hopper or the like is loaded with stored items.

[Conventional technology]

Traditionally, ore, slag, etc. are packed into container buckets, loaded onto transport vehicles, and transported, and loaded into hoppers etc. by lifting them up using overhead cranes, etc., and it is rare to directly charge them from transport vehicles into hoppers. It is. This is partly due to the high position of the input ports such as hoppers, but also because container buckets are often used to increase the efficiency of vehicle operation.

When loading items directly into the hopper from the loading platform of a dump truck, etc., the rear door of the loading platform is automatically opened and closed using a link mechanism, and the stored items are loaded, as shown in the example of JP-A No. 57-126737. There is.

However, there is no automatic opening/closing device for discharging the contents of the container bucket from the loading platform of the vehicle. Conventionally, when discharging stored items from a container bucket, the container bucket was first placed on the floor, the slinging wire on the discharge port side of the container bucket was removed, and then the crane was operated based on a signal from the sling operator. A person was lifting a container bucket with a crane.

[Problem that the invention attempts to solve]

However, the conventional apparatus described above requires complicated slinging work in addition to crane operation, resulting in poor work efficiency and is dangerous when working in a cramped space.

This invention has been developed to solve the above problems, and has a structure that increases work efficiency by eliminating the need to replace the sling wire and allowing the crane driver to empty the contents of the container bucket. The purpose of the present invention is to provide an automatic opening/closing device for a container bucket with a simple opening/closing door.

[Means for solving problems]

In order to achieve the above object, the present invention provides a container bucket 2 with an opening/closing door, a door 3 whose upper end is rotatably supported, with reference to the attached figures showing embodiments of the invention. A pair of lock pins 16 are provided at both ends of the lower part of the container bucket, and a pair of receiving plates 26 for protrusions are provided above the lock pins 16. On the other hand, a hook 14 and a heavy weight are provided at the lower part of both side walls 7 of the container bucket near the door 3. A lock lever 18 composed of a weight part 13 and a hook fitting 15 is rotatably provided,
A closing mechanism 4 is provided for locking and closing the door 3 when the container bucket 2 is in a horizontal state. A detection rod 6 is provided which releases the locking of the door 3 by abutting on the weight portion 13 of the door 3 and relatively pushing it up or down. At the tip of one of the short sides, there is a protrusion 10 that comes into contact with and is pressed against the protrusion support plate 26 of the door 3 when the door 3 is in the closed state, and at the tip of the other long side, there is a protrusion 10 facing the protrusion 10. An auxiliary lever 12 constituted by a hook portion 9 is rotatably provided by pivotally supporting the apex of the inverted V-shape, and when the door 3 is in an open state, the auxiliary lever 12 is rotated to open the door 3. It is characterized in that the hook portion 9 is provided so as to be rotated in the direction so that the hook portion 9 engages with the hook 15 of the closing mechanism portion 4.

[Effect]

In the automatic opening/closing device for a container bucket with an opening/closing door according to the present invention, simply by placing the container bucket on a pedestal in an inclined manner, the opening/closing door automatically opens and the stored items are discharged, and a crane is used to open the container bucket. Just by lifting the door horizontally, the door will be locked again.

〔Example〕

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

FIG. 1 is a plan view of an embodiment of the present invention, and FIG. 2 is a side view of the same.

In the figure, 1 is an automatic opening/closing device, which includes a container bucket 2, a door 3, a closing mechanism 4, a pedestal 5,
It is composed of a detection rod 6 and the like.

Container bucket 2 has the upper part open and the front,
It is surrounded by three left and right sides, a bottom surface, and a door 3 at the rear, and stored items can be thrown into the interior from above. Trunnions 8, 8, 8, 8 are protruded from the left and right side walls 7, 7 of the container bucket 2, and sling wires can be hung on the trunnions 8, 8, 8, 8. Further, as shown in FIG. 3, a hook portion 9 is provided at the tip of the long side and a protrusion 10 is provided at the tip of the short side at the bottom of the side walls 7, 7. Pivotally supported,
An auxiliary lever 12 is provided to maintain the unlocked state while the contents of the container bucket are being discharged. Below this auxiliary lever 12, one weight part 13 and the other part are formed in the shape of a hook 14,
A hook fitting 15 is provided that protrudes from the end of the weight portion 13, and when the hook fitting 15 is rotated by a weight difference to a position where it is held by the hook portion 9 of the auxiliary lever 12, the hook is 14 opens the lock pin 16 at the bottom of the door 3, the central part of which is attached to the support shaft 17.
A lock lever 18 is provided. still,
The hook 9 and protrusion 10 of the auxiliary lever 12 and the hook 14 of the lock lever 18 are all connected to the door 3.
It is formed on the side facing the

A stand 1 that supports the rear of the container bucket 2
9 is installed in front of the hopper input port 20, and
A detection rod 6 is provided on the top surface of the lock lever 9.
The lock pin 16 is released by relatively pushing up the weight portion 13 of the lock pin 8.

Further, a raised platform 21 is erected to support the front part of the container bucket 2 in pair with the above-mentioned placing platform 19.
A guide 22 for guiding the side wall 7 of the container bucket 2 to a predetermined position and a stopper 23 for preventing the container bucket 2 from slipping off when the container bucket 2 is tilted are provided on the upper surface of the elevated platform 21. Here, the placing stand 19 and the elevated stand 21 are pedestals having a difference in height from which the contents of the container bucket 2 can be discharged.

In the figure, 25 is the front leg that also serves as a stopper receiver.
24 is the rear leg.

Further, in the middle portion of the door 3, both left and right sides of the door 3 are formed in an overhanging shape to serve as a protrusion receiving plate portion 26 for pushing the protrusion 10.

Next, the operation of the automatic opening/closing device for a container bucket with an opening/closing door having the above configuration will be explained.

The container bucket 2 is transported by an overhead crane to the pedestal 5 by hanging at four points, passes through the guide 22, and is placed on the stopper 23 at the bottom of the container bucket 2 by the stopper 23 on the high ground 21.
When the hook 14 of the lock lever 18 is rotated and lowered by the detection rod 6, the lock pin 16 is released, the door 3 opens, and the stored items are transferred to the hopper input port 20. It is then thrown into the hopper. At this point, the auxiliary lever 12 moves downward to the left due to the weight difference and supports the lock lever 18 (FIG. 4 A and B).

Then, when the door 3 is wound up, the door 3 is closed, and just before the door 3 is in the closed state, the protrusion 10 is pushed, the auxiliary lever 12 and the hook 15 are disengaged, and the lock lever 1 is closed.
The hook 14 of No. 8 rotates upward and engages with the lock pin 16, and the door 3 becomes locked (FIG. 4C).

[Effects of the invention] As explained above, the invention has the following effects.

The contents of the container bucket can be discharged to the hopper input port only by lowering the rear part of the container bucket using cargo handling equipment such as a crane, and work efficiency is significantly improved.

There is no need to change the sling wire or specify the position for discharge, simplifying the sling work and allowing only the crane operator to discharge the stored items.

Container buckets are not opened during transportation, so there is no spillage during operation.

Separating the closing and opening mechanisms simplifies the structure and makes maintenance and inspection easier.

While the contents of the container bucket are being discharged, the auxiliary lever can maintain the unlocked state, so that the contents can be discharged reliably.

[Brief explanation of the drawing]

FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a side view of the closing mechanism, and FIG. 4 is an explanatory diagram of the operation of the automatic opening/closing device. 1: Automatic opening/closing device, 2: Container bucket,
3: Door, 4: Closing mechanism, 5: Frame, 6: Detection rod, 7: Side wall, 8: Trunnion, 9: Hook, 1
0: Protrusion, 11: Pin, 12: Auxiliary lever, 1
3: Weight part, 14: Hook, 15: Hook, 16: Lock pin, 17: Support shaft, 18: Lock lever, 19: Stand, 20: Hopper inlet, 21: Hill, 22: Guide, 23: Stopper for preventing slipping, 24: Rear leg, 25: Front leg (stopper receiver), 26: Receiving plate for protrusion.

Claims (1)

[Scope of Claim for Utility Model Registration] In a container bucket 2 with an opening/closing door, a pair of lock pins 16 are provided at both ends of the lower part of the door 3 whose upper end is rotatably supported;
A pair of receiving plate parts 26 for protrusions are provided above 6, and a hook 14, a weight part 13, and a hook 15 are provided at the lower part of both side walls 7 of the container bucket near the door 3. lock lever 18
is rotatably provided, and a closing mechanism 4 is provided for locking and closing the door 3 when the container bucket 2 is in a horizontal state, and the container bucket 2 is placed in an inclined manner with the door 3 facing downward. A detection rod 6 is provided on the pedestal 5 to release the locking of the door 3, which contacts the weight portion 13 of the closing mechanism portion 4 to relatively push it up or down. It has a V-shaped scalene shape, and at the tip of one short side there is a receiving plate part 2 for the protrusion of the door 3 when the door 3 is in a closed state.
An auxiliary lever 12 consisting of a protrusion 10 that contacts and is pressed by the protrusion 6 and a hook portion 9 facing the protrusion 10 at the tip of the other long side is rotated by pivoting its inverted V-shaped apex. The auxiliary lever 12 is movably provided, and when the door 3 is in an open state, the auxiliary lever 12 rotates in the direction of the door 3,
An automatic opening/closing device for a container bucket with an opening/closing door, which is provided so that the hook portion 9 engages with the hook fitting 15 of the closing mechanism portion 4.