JPS60197480A - Working apparatus in hold - Google Patents

Abstract

PURPOSE:To permit a boom to be compactly accomodated into a supporting stay when the boom is folded-up, by installing the intermediate part of the boom facing upwardly and downwardly onto the stay suspended in free elevation and turn onto the upper deck of a hull and installing a working board at one edge and a plurality of balance weights at the other edge. CONSTITUTION:A supporting stay 4 is suspended in free elevation in a hold onto a turning frame which can turn on a fixed board 2 loaded onto the upper deck of a hull. A working frame 5 is pivotally installed onto the supporting stay 4, and a working board 6 is installed at the edge part. The working frame 5 consists of a balance boom 10 and a working boom 11, which can be set facing upward and downward for the supporting stay 4 by an expandable cylinder 12, link 13, and a suspension cable. A counterweight 7 consisting of a plurality of balance weights 15 connected is arranged onto the balance boom 10. When each boom 10, 11 is folded-up into the supporting stay 4, each boom can be accommodated at a same time, and the whole apparatus can be made compact.

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention provides a working device in a ship, in particular a main pillar is installed vertically inside the ship, a work frame is provided on the main pillar, and a work platform is attached to the work frame. The present invention relates to an in-ship working device provided therein.

(Prior Art) Many of the recent in-ship working devices are mechanized, easy to handle, and easy to work with. By the way, as one of this type of device, there is an in-ship working device that has a main pillar vertically installed inside the ship, a work frame provided at the lower end of the main pillar, and a workbench provided on the work frame.

In this type of shipboard working device, the middle part of one work frame is pivotally attached to the lower end of the main column so as to be vertically tiltable, and a workbench is attached to the tip of the work frame.

Additionally, a large balance weight is mounted on the rear end of the work frame to maintain balance with the work frame.

By the way, conventionally, this type of balance weight has simply been placed on the rear end of the work frame. For this reason, conventional balance weights had to be loaded and unloaded by hand or using a crane, etc., each time the ship's hold work equipment was installed or removed, making installation and removal work of the ship's hold work equipment extremely troublesome. .

Furthermore, this configuration has a drawback in that there is a limit to the range of elevation angles of the work frame around the lower end of the main column.

(Object of the Invention) This invention was proposed in order to solve the above-mentioned conventional problems, and it enables the work frame to be raised and raised over a range of approximately 180 degrees, and also allows for complete loading and unloading of balance weights. The purpose of the present invention is to provide a working device in a ship's hold that can omit unnecessary manpower and work through automation, and can be installed and removed extremely easily.

(Structure of the Invention) The present invention includes a fixed stand placed on the upper deck of a ship, a rotating frame mounted on the fixed stand so as to be able to rotate, and a rotating frame vertically mounted on the rotating frame so as to be movable up and down within the hold. The working frame of the in-hold working device, which is composed of a main pillar, a working frame pivotally attached to the main pillar, and a work platform provided on the working frame, is placed at the lower part of the main pillar, and at the middle part of the boom. A balance boom that is pivotably mounted, can be tilted up and down, and has a balance weight that can be stored in the main column; and a balance boom that is pivoted to the tip of the balance boom, can be tilted up and down, and can be extended and contracted in the longitudinal direction of the boom. The above object is achieved by comprising a boom, further forming the balance weight from a plurality of counterweights, and allowing the counterweights to be placed on the balance boom and freely stored within the main column. It is something to do.

(Embodiment) The present invention will be described below with reference to an illustrated embodiment. The in-ship hold working device 1 includes a fixed base 2, a revolving frame 3, a main column 4, a work frame 5, and a work platform 6. It consists of a balance weight 7.

The fixed base 2 is installed on the upper deck A of the hull, and the rotating frame 3 is installed on the fixed base 2.

The rotating frame 3 can be rotated in the horizontal direction by power from a motor or the like, and its rotating speed can be adjusted as appropriate by a reduction gear.

The main pillar 4 is installed in the center of the swing frame 3, and is vertically installed in the ship's hold from an opening B to the upper deck.

Further, the main pillar 4 is rotatable at the same time as the revolving frame 3 turns, and can be raised and lowered within the ship's hold by the power of a motor, etc., and its raising and lowering speed can be adjusted as appropriate by a reduction gear. .

The main pillar 4 has a cylindrical shape with a substantially rectangular cross section as a whole, and a portion of the lower end has a substantially groove-like cross section that opens right sideways over a predetermined range.

A winding device 9 (hereinafter referred to as winch) is installed in the hollow portion 8 of the main column 4, and the winch 9 is rotatable by power from a motor or the like.

The work frame 5 includes a balance boom 10 and a work boom 1.
It is composed of 1.

The balance boom 10 is pivotally connected to the lower end of the main column 4, is capable of being raised and lowered by a cylinder 12, and is connected to a link part 1.
3 makes it possible to maintain the horizontal position. Further, the balance boom IO stands upright and can be stored along with the cylinder 12 and the link par 13 in the groove 14 of the main column 4.

The balance weight 7 is a plurality of counterweights 1
5, each of which is connected by a link 16 and can be pivoted freely.

Also, the end counterweight 1 of the balance weight 7
5.15, one end of one counterweight 15 is connected to the rear end of the balance boom 1 (1) via a link 16, and one end of the other counterweight 15 is
It is connected to the wire rope 17 of the winch 9.

In such a configuration, the balance boom 10 is attached to the main column 4.
When the balance weight 7 is housed in the groove 14 of the main column 4, the balance weight 7 is housed in the hollow part 8 of the main column 4 (see FIG. 3).

Then, the balance boom 10 is pushed out from the groove 14 by the cylinder 12, falls down around the lower end of the main column 4, and shifts to a horizontal state, and in parallel, the balance weight 7 is moved by the winch 9 to lift the Y-lobe 17. The balance boom l is pulled out from the hollow part 8 of the main pillar 4.
When O reaches the horizontal state, each counterweight 15
are stacked in multiple stages and loaded on the balance boom 10. Note that a magnet 18 is attached to each counterweight 15 to prevent the balance weight 15 from shifting laterally.

On the other hand, the balance boom 10 is pulled toward the groove 14 side by the cylinder 12, stands up centering on the lower end of the main column 4, and is housed in the groove 14. At the same time, the wire rope 17 is moved by the winch 9. As a result, the counterweight 15 is drawn into the hollow part 8 of the main column 4 and is housed within the hollow part 8.

The work boom 11 is pivotally attached to the tip of the balance boom 10, and the work boom 11 can be raised and raised over a range of approximately 180 degrees by appropriately changing the length of the wire rope 19.

Further, the work boom 11 is constructed in a multi-stage telescopic manner, and is extendable and retractable in the longitudinal direction by a cylinder.

A cross link 22 consisting of links 20 and 21 is pivotally attached to the tip of the work boom 11, and a work platform 6 is attached to the link 21.
is installed.

The workbench 6 is constructed by a gear mechanism and a cylinder approximately 180 degrees vertically and horizontally around the tip of the work boom 1.
It is said to be movable over a range of degrees.

An operation box 23 is installed on the workbench 6, and this operation box 23
In this case, the workbench 6 can be freely elevated and rotated horizontally.

(Effects of the Invention) This invention has the above-mentioned configuration, and it is possible to completely automate the loading and unloading of balance weights, so unnecessary manpower and work can be omitted, and installation of work equipment in the hold is possible. , removal is extremely easy. Further, the work frame can be raised and raised over a range of approximately 180 degrees.

Furthermore, since no particular storage space is required for the balance weight, the entire device is not bulky and is easy to handle.

[Brief explanation of drawings]

Figures 1 and 2 are a front view and a partially cutaway enlarged front view showing the installed state of the work equipment in the hold, Figure 3 is a front view of the work equipment in the hold in a folded state, and Figures 4 to 4 are FIG. 7 is a sequence diagram showing the movement of the balance weight. 1... Work equipment in the hold, 2... Fixed stand, 3...
...Swivel frame, 4...Main pillar, 5...Work frame, 6...Work table, 7...Balance weight, 8...Hollow part, 9... Winch, 10...
・・Balance boom, 11・・・Work boom, 12・
...Cylinder, 13...Link bar, 14...
...Groove, 15...Counterweight, 16...Link, 17...Wire rope, 1
8...Magnet, 19...Wire rope,
20.21...Link, 22...Cross link, 23...Operation box. 0 Figure 5 Figure 6

Claims (1)

[Claims] A fixed stand mounted on the upper deck of the ship, a swing frame mounted on the fixed stand so as to be able to turn, a main pillar vertically mounted on the swing frame so as to be able to move up and down inside the ship, and the main pillar. In a shipboard working device consisting of a work frame pivotally attached to a boom and a work platform provided on the work frame, the work frame is a vertically elevating machine pivotably attached to the lower part of the main column at an intermediate portion of the boom. Consisting of a balance boom that has a balance way I- that is flexible and can be stored in the main column, and a work boom that is pivotally attached to the tip of the balance boom so that it can move up and down, and that is extendable and retractable in the longitudinal direction of the boom. And furthermore,
An in-ship working device characterized in that the balance weight is formed of a plurality of counterweights, and the counterweights can be placed on the balance boom and can be freely stored in the main column.