JPS5847731A - Continuous type unloader - Google Patents

Abstract

PURPOSE:To realize no bulk cargo being left unloaded by a structure wherein the continuous type unloader, which unloads bulk cargo such as coal or the like from the hold of a bulk carrier at a quay, is rendered to have a mechanism that enables the efficient and continuous unloading of the bulk cargo throughout the whole space of the hold. CONSTITUTION:A frame 7 equipped with a bucket elevator 8, which can revolve in an nearly vertical posture, is droopingly provided at the tip of the boom 5 of the unloader. An arm 13 is equipped at the lower end of the fram 7 and sprockets 10 and 11 are provided respectively at the upper end of the frame 7 and at the tip of the arm 13. A chain 9 equipped wih buckets 8a is bridged endless over the sprockets 10 and 11. A drive cylinder 14 is installed between the arm 13 and the lower part of the frame 7. The arm 13 can be elevated by the extension and contraction motion of the rod 14a of a cylinder 14 and also can be revolved by the revolution of the frame 7. A driver in a cabin 19 can efficiently unload the bulk cargo by operating the arm 13 with a controller while keeping his eye from a short distance on the scooping suitation of the buckets 8a in the hold 12.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a continuous unloader for loading bulk materials such as coal and ore from the hold of a cargo ship at a quay or the like.

When unloading bulk cargo such as coal or ore from the hold of a cargo ship docked alongside a quay, a continuous unloader with the configuration shown in Figure 1 has conventionally been used.

In other words, the rail laid on quay 1 (not shown)
A supporting moth runs along the quay 1 on top of the quay.

- A rotatable swivel base 3 is mounted on the carrier 2, and an elevating boom 5 equipped with a belt conveyor 4 is pivotally supported on the swivel base 6.

Sprocket wheels 10 and 11 are attached to the upper and lower ends of a frame 7 of an unloader head 6 (including a packet elevator), which is vertically disposed at the tip of a boom 5 via a pivot, so as to be rotatable nine times.

And between sprocket wheels 10 and 11.

Stretch the Cheno 9 with packet. Sprocket wheel 10. and 11, the bulk goods loaded in the cargo hold 12 are continuously transported out of the cargo hold by the packet conveyor 8.

However, since the width of the hatch 12a of the hold 12 is generally narrower than the overall width of the hold 12, the frame 7 of the unloader head 6, which is vertically installed at the tip of the poom 5, is tilted as shown by the chain line in FIG. The loose items in the back of the lower part of 12a are being taken out.

However, this method naturally has its limitations, and a large amount of loose material inevitably remains in the lower part of the hatch 12a.

To unload the remaining bulk materials, bulldozers and special auxiliary equipment are used to transport the unloader heads (including packet elevators) to a point where they can be unloaded. is the current situation. Therefore, the currently used continuous unloaders have the disadvantage that the unloading operation becomes inefficient.

The present invention has been made to eliminate the above-mentioned drawbacks, and provides a continuous unloader configured to efficiently and continuously carry out unloading over the entire area of a ship's hold.

The present invention will be described in detail below based on an embodiment shown in one drawing.

FIG. 2 explains one embodiment of the present invention. In this figure, the same or corresponding parts as in FIG. 1 are given the same reference numerals, and their explanations will be omitted.

In this embodiment, a frame 7 equipped with a packet elevator 8 that can rotate in a nearly vertical state is vertically installed at the tip of a pool 5 that can be raised and raised. An arm 13 is attached to one lower end of the frame 7 via a pivot.

At the tip of arm 13 and at the top of frame 7, respectively.

Sprocket wheels 10 and 11 are provided.

A bucket-equipped check 79 is mounted endlessly between both sprocket wheels 10 and 11.

A driving cylinder 14 is installed between the arm 13 and the lower part of the frame 7.

The arm 13 is raised and raised by the expansion and contraction of the rod 14a of the drive cylinder 14, and the rotation of the frame 7 is controlled by the drive motor (
(not shown) in a vertical position. This pivoting allows the arm 13 to pivot around the frame 7.

19 is the driver's cab. The driver can freely raise, raise, and rotate the arm 13 using a remote controller from inside the driver's cab 19, and if the length of the arm 13 is appropriately selected,
It is possible to carry out the work of shipping bulk items to every corner of the building.

Furthermore, the frame 7 equipped with the packet elevator 8 is always operated in a nearly vertical position.

The driver's cab 19 is installed at the bottom of the frame 7. Driver's cab 1
The floor surface of No. 9 is always kept almost horizontal, so there is less fatigue, and since the work can be done while observing the unloading situation from a close distance than the packet 8a inside the hold 12, the unloading efficiency can be improved to a high level. can be given to. Moreover, the surface of bulk materials in the hold can be smoothly discharged over the entire surface area, so the work is stable and complete automation is possible.

Incidentally, in the above embodiment, there is one arm 13 that can be elevated and rotated, but in the other embodiment shown in FIG. 3, there are two arms 15.
．． and 16.

That is, in the embodiment shown in FIG. 3, the first arm 15 is pivotally connected to the tip of the frame 7 of the unloader head 6 via a pivot so that it can move up and down freely, and the second arm 16 is connected to the tip of the arm 15. Flexibly pivotally connected via a pivot.

A first driving cylinder 17 is installed between the first arm 15 and the frame 7, and a second driving cylinder 18 is installed between the first arm 15 and the second arm 16. There is.

This embodiment is configured as described above.

When the first driving cylinder 17 of the first arm 15 is actuated, the first arm 15 freely moves up and down, and the second driving cylinder 17 of the second arm 16
If the driving cylinder 18 is operated.

The second arm 16 can be raised or lowered freely.

Therefore, when removing bulk materials from the hold of a large ship, the two arms 15 and 16 should be tilted slightly.

It extends to the maximum in the horizontal direction and fully discharges every corner of the cargo hold 12.

However, when working on a small boat, the two arms are 15° and 16°.
If it is extended as described above, it will be too long and it will be difficult to perform the dispensing operation.

In such a case, the first arm 15 should be tilted downward as steeply as possible or be almost vertical.
If only the second arm 16 is raised and discharged, work can be carried out efficiently in the hold of a small boat.

By discharging loose items as described above,
A single large continuous unloader can be used to unload ships of a wide range of sizes.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing a conventional continuous unloader. FIG. 2 is a schematic configuration diagram of an embodiment of the present invention, and FIG.
It is a schematic diagram which shows the principal part of the other Example of a figure. 1 is a quay, 2 is a support girder, 3 is a rotating cart, 4 is a conveyor belt, 5 is a boom, 6u'7 is an unloader head, 7 is an unloader head frame, 8 is a packet elevator, and 9 is a cheno with a packet. 1-0.11 is the sprocket wheel, 12 is the hold. 13 is an arm, 14 is a driving cylinder, 15 is a first arm, 1
6 is a second arm, and 17 is a first driving cylinder. 18 is a second driving cylinder, and 19 is a driver's cab. Figure 1 3rI! J

Claims (2)

[Claims] (1) It has a frame that is vertically mounted on the tip of a boom mounted on a rotating truck and can be rotated, and a vertically adjustable arm that is attached via a pivot at the lower end of the frame, and the upper part of the frame and A chain with a packet is mounted between the sprocket wheel rotatably attached to the end of the arm, and the arm can be raised and lowered by a driving cylinder installed between the frame and the arm. Continuous unloader with special features. (2) Two or more arms are pivotally connected in series to the tip of the frame, and the frame and the first arm, the first arm and the second arm, etc.
. . . The continuous unloader according to claim 1, wherein a driving cylinder is installed between each of the continuous unloader and the drive cylinder.