JP4270346B2 - Non-drive telescopic articulated device for work at height and work system inside a ship using the same - Google Patents

Description

TECHNICAL FIELD The present invention relates to a non-drive-type telescopic articulated device for high-rise work of a large ship and a work system inside the ship using the same, and more specifically, a large amount of material is scaffolded on the inner wall of a hull. It is possible to perform the work on the inner wall quickly by eliminating the installation process, and to eliminate the danger when installing and removing the scaffolding and the damage to the inner wall of the ship body due to the installation of the scaffolding. The present invention relates to a non-drive-type telescopic articulated device for work on a ship and a work system inside a ship using the same.

Generally, when various operations such as waterproofing and painting of seawater and transported goods are carried out inside the hulls such as LPG carriers, oil tankers, large passenger ships, container ships and chemical carriers, such operations A multi-layered scaffolding is provided on the inner wall surface side, and the scaffolding is moved.

The above-mentioned scaffold is a foot plate for the worker to perform work on the wall side, and the foot plate is fixedly installed at a certain height point of the hull, so that many connecting frames, ladders and other members are used. Since it becomes indispensable and a fixing force is required, the above foot plate or member is installed on the inner wall of the hull by welding, bolting or the like.

Such scaffolding installation work forms a basic form inside the hull, transports each member into the interior, and then forms a multi-layered structure at a certain height, such as when creating an overview of a similar building. It is constructed so that the operator can move in the height section of the inner wall of the hull.

The installation configuration of the scaffold as described above causes a delay in the total work time of the hull production due to the installation and dismantling of the scaffold itself. It will cause accidents such as falling.

Further, since the above structure requires a fixing force, it is connected to the inner wall surface of the hull by welding, bolts, or the like, so that the strength and damage of the hull wall occur.

Therefore, the above-mentioned conventional scaffold installation configuration has a decrease in productivity due to a delay in work time, a significant decrease in workability due to an increase in the accident occurrence rate, and a paint and waterproof construction work due to a decrease in ship strength and damage. The problem of the occurrence of work defects such as this is exposed.

This is an urgent need for a technique that eliminates the structure in which the scaffold is installed on the wall surface of the hull and enables the work to be performed more safely and quickly.

The present invention was devised to meet the above-mentioned requirements, and the installation configuration of the scaffold is eliminated, the rapid execution of various operations on the inner wall of the hull and the risk of damage to the inner wall are eliminated, and the work section is moved. In which the work to be performed is performed by the movement of the telescopic articulated device that is not the worker's walking, and the safety of the work is ensured, and the telescopic articulated device can be inserted into or taken out from the ship. An object of the present invention is to provide a non-drive-type telescopic articulated device for working at a high altitude and a working system inside a ship using the same.

In order to achieve the above object, a non-drive-type telescopic articulated device for high-altitude work according to the present invention includes:
A fixing mechanism portion that is rotatably provided on the inner bottom surface of the hull, is connected to an upper portion of the fixing mechanism portion, and an expansion / contraction mechanism portion that vertically changes and expands / contracts in the longitudinal direction, and is rotatable at an end portion of the expansion / contraction mechanism portion. The fixed mechanism unit includes a support mechanism unit that is radially installed to selectively move or fix the bucket. It is characterized by comprising.

The fixing mechanism portion includes a fixing frame that is in close contact with the bottom surface of the hull, and a swing post that is disposed on an upper portion of the fixing frame and includes a first rotating bearing so as to be rotatable.

The support mechanism part is configured by a plurality of support bases that are radially hinged to the fixed frame of the fixing mechanism part and rotate up and down, and each of the support bases can be moved up and down. And a ball screw axially set on the handle, and a caster coupled to an end of the ball screw.

The telescopic mechanism part is preferably connected to the swing post end of the fixing mechanism part, and is formed with a structure in which a large number of booms are sequentially inserted so that the length thereof can be selectively adjusted. Each boom is inserted with a brush or a rubber plate at each end in order to prevent the inflow of foreign matter during expansion and contraction.

Further, the fixing mechanism part and the expansion / contraction mechanism part are connected to the first cylinder and the second cylinder so that the angle of the expansion / contraction mechanism part can be changed up and down with respect to the fixing mechanism part, In order to prevent foreign matter such as dust from flowing into the piston rod, the first cylinder and the second cylinder further include an outer protective cover on the piston rod.

In addition, the bucket includes a fixed base connected to the bottom surface of the bucket and an end of the expansion / contraction mechanism part in order to rotate while maintaining the level, and the fixed base is capable of rotating the bucket. The second rotating bearing, a third cylinder for maintaining the level of the bucket, and a driving means for providing a driving force to the third cylinder can be formed by a hydraulic motor.

On the other hand, the work system inside the ship using the non-drive-type telescopic articulated device for high altitude work of the present invention is thrown into the hull and fixedly installed, and the operator gets on the target position. One or more telescopic articulated devices for moving and performing various operations on the inner wall of the hull, and a tower crane provided outside the hull for loading or unloading the telescopic articulated device on the open upper side of the hull As described above, the telescopic articulated device includes a fixing mechanism unit, an expansion / contraction mechanism unit, a bucket, and a support mechanism unit.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention to which the above features are applied will be described in detail with reference to the accompanying drawings.

FIG. 1 is a front view of a non-drive-type telescopic articulated device for working at a high place inside a ship according to the present invention, and FIG. 2 is an enlarged perspective view of a portion A in FIG.

As shown in FIGS. 1 and 2, the present invention eliminates the process of installing a large amount of material on the inner wall of the hull (200) on the scaffold, enables a quick inner wall work, The present invention relates to a non-drive-type telescopic articulated device for working inside a ship in a large ship, which eliminates the danger of installing and removing the ship and the damage to the wall of the ship body by installing a scaffold.

The present invention is mainly composed of three parts, which are a fixing mechanism part (10), a telescopic mechanism part (30), and a bucket (50).

The fixing mechanism (10) is closely attached to the bottom surface of the hull (200) and is disposed on the fixing frame (11) having the center and the upper part of the fixing frame (11). The swing post (12) is provided with a rotary bearing (12a). At this time, since the fixing mechanism part (10) is selectively moved or fixed on the bottom surface of the hull (200), the fixing mechanism part (10) includes a plurality of support mechanism parts (20) that are installed radially.

The swing post (12) is provided with a first rotating bearing (12a) between the swing frame (12) and the fixed frame (11), and can rotate 360 °.

The support mechanism section (20) is configured by four support bases (21) that are hinged radially along the outer peripheral edge of the fixed frame (11) and turn up and down. At this time, each of the support bases (21) includes a ball screw (21b) provided on a handle (21a) so that the telescopic articulated device (100) can move up and down at a predetermined height, and the ball It further includes a caster (21c) coupled to the end of the screw (21b). Such a structure includes a structure in which the telescopic articulated device (100) can be selectively moved up and down by the length of the ball screw (21b) on the bottom surface of the hull (200).

The telescopic mechanism part (30) is connected to the end of the swing post (12) of the fixing mechanism part (10), and a number of booms (31) are sequentially inserted so that the length can be selectively adjusted. Is done. At this time, each boom (31) can be expanded and contracted by a chain (31a) to be interconnected. In addition, each boom (31) has a structure in which a brush (32) or a rubber plate is inserted into an end portion to prevent inflow of foreign matter (dust) during expansion and contraction.

The telescopic mechanism (30) is connected to the end of the swing post (12), and the angle is changed up and down. This is different from the fixing mechanism (10) and the telescopic mechanism (30). This is possible with the first cylinder (41) and the second cylinder (42) being interconnected. The first and second cylinders (41, 42) are provided with a protective cover (43) for preventing foreign matters such as dust from flowing into the piston rod, and the protective cover (43) is elastic. It consists of a bellows tube made of a rubber material that is stretched.

The bucket (50) further includes a fixed base (51) connected to the bottom surface of the bucket (50) and the end of the telescopic mechanism part (30) so that the bucket (50) can be rotated while maintaining the level.

Here, the fixed base (51) includes a second rotating bearing (53) capable of rotating the bucket (50), driving means for providing a driving force to the second rotating bearing (53), and the bucket It is comprised with the 3rd cylinder (52) which maintains the level of (50). Here, the driving means is preferably a hydraulic motor (53a). Such a structure is a structure in which a bucket (50) on which a person is boarded is horizontally rotated at a desired angle, and at the same time, the bucket (50) is prevented from tilting and falling down by an operator so that the worker can work safely. Prepare.

The bucket (50) having such a structure is rotatably connected to the end of the telescopic mechanism part (30), and has a structure in which workers and various tools for performing the work are mounted. The bucket (50) is a work performing space for mounting workers and various tools for performing work, and the bucket (50) combines a bar-shaped frame in a lattice shape. It is configured in a so-called cage form.

On the other hand, each cylinder (41, 42, 43) mentioned above is preferably a hydraulic cylinder.

FIG. 3 is a working radius diagram of a non-drive-type telescopic articulated device for working at a high altitude inside a ship according to the present invention, and FIG. 4 is a non-drive type telescopic extension for working at a high altitude inside a ship according to the present invention. It is an illustration figure of the process of performing various operations with respect to the inner wall of the hull by the multi-joint device.

As shown in FIGS. 3 to 4, the telescopic articulated device (100) is installed in a large number at one or more points in the hull (200), and the telescopic mechanism (30) is at a target angle. After rotation, when each boom (31) is expanded and contracted, the bucket (50) is positioned at a desired work point. At this time, the telescopic mechanism part (30) has a working range of about 90 ° to −20 ° in the vertical rotation radius.

In such a state, the worker performs painting and waterproofing work on the inner wall of the hull (200) from the bucket (50), and the rotation of the swing post (12) and the expansion and contraction of each boom (31). The rotation of the bucket (50) is appropriately adjusted, and the work can be performed by moving in a certain interval of up, down, left and right.

The telescopic articulated device (100) has a controller (60) externally mounted on the swing post (12) so that an external operator can control the telescopic articulated device (100), and the bucket (50). It is obvious that the bucket (50) can be provided with a wired or wireless second controller (not shown) so that an operator who has boarded can also control the telescopic articulated device (100).

FIG. 5 is a working system inside a ship using a non-drive-type telescopic articulated device for high-altitude work according to the present invention.

As shown in the drawing, the work system inside the ship is mainly composed of two parts, which are one or more telescopic articulated devices (100) that are inserted into and installed in the hull (200). And a tower crane (300) for transporting each of the telescopic articulated devices (100) to the inside and outside of the hull (200).

Here, the tower crane (300) is installed outside the dock (200) for manufacturing the hull (200) or the hull (200) of the work place, and is at least at a position higher than the height of the hull (200). ) To move.

The tower crane (300) is equipped with a normal hook (310) for moving the telescopic articulated device (100), and the hook (310) is connected to a wire (311) to be expanded and contracted. The multi-joint device (100) can be lifted to a desired height, and has a structure capable of selectively loading / unloading the telescopic articulated device (100) via the loading / unloading port of the hull (200). is there.

As described above, the non-drive-type telescopic articulated device for high-altitude work according to the present invention and the work system inside the ship using the same have been limited to the inner wall construction of the hull. Can also be used.

In addition, it cannot be overemphasized that this invention can be used as a substitute of the scaffold installed in the interior / exterior construction of a building, without being limited to a ship.

As described above, according to the present invention, the manufacturing process of the hull accompanying the elimination of the installation configuration of the scaffold is quickly performed, and the effect of improving the productivity of ship construction can be obtained.

According to the present invention, an effect is obtained in which various work is performed in a state where the worker is on the mobile device, and workability associated with ensuring the safety of the worker is improved.

The present invention eliminates the need for various installation configurations on the inner wall of the hull by performing work with the work expansion / contraction multi-joint device, and eliminates the risk of a decrease in strength and breakage of the hull, thereby preventing work defects. .

In addition, since a tower crane used for existing ship production is used, a separate telescopic articulated device transporting device is not necessary, which is a great economic advantage.

It is a front view of the non-drive-type expansion-and-contraction articulated apparatus for the high place work of this invention. It is an expansion perspective view with respect to A part of FIG. It is a working radius figure of the non-drive-type expansion-and-contraction articulated apparatus for the high place work of this invention. FIG. 4 is an exemplary view illustrating a process of performing various operations on the inner wall of a hull by using a non-drive-type telescopic articulated device for high-altitude work according to the present invention. It is the work system inside a ship using the non-drive-type expansion-and-contraction articulated apparatus for the high place work by this invention.

Explanation of symbols

10: Fixing mechanism
11: fixed frame 12: swing post 12a: first rotation bearing 20: support mechanism 21: support 21a: handle 21b: ball screw 21c: caster 30: telescopic mechanism 31: boom 31a: chain 32: brush, rubber plate 41: 1st cylinder 42: 2nd cylinder 43: Protective cover 50: Bucket 51: Fixed stand 52: 3rd cylinder 53: 2nd rotation bearing 53a: Hydraulic motor 60: Controller 100: Telescopic articulated device 200: Hull 300: Tower crane 310: hook 311: wire

Claims (10)

A fixing mechanism (10) rotatably installed on the inner bottom surface of the hull (200);
A telescopic mechanism part (30) connected to the upper part of the fixing mechanism part (10) and vertically changing and extending and contracting in the longitudinal direction; and an end part of the telescopic mechanism part (30) rotatably connected to the interior thereof Consists of a bucket (50) in which various tools for carrying out the worker and work are mounted,
The fixing mechanism part (10) includes support mechanism parts (20) installed radially to selectively move or fix ,
The fixing mechanism unit (10) is disposed on a fixed frame (11) that is in close contact with the bottom of the hull and an upper part of the fixed frame (11), and is provided with a first rotating bearing (12a) so that it can rotate. Swing post (12)
The telescopic mechanism part (30) is connected to the end of the swing post (12) of the fixing mechanism part (10), and a number of booms (31) are sequentially inserted so that the length thereof can be selectively adjusted. The structure of the composition,
Each boom (31) can be expanded and contracted by an interconnected chain (31a),
A controller (60) for operating the swing post (12) is provided on the exterior, and the bucket (50) further includes a second controller that is wired or wireless . Non-drive telescopic articulated device.   The support mechanism (20) is configured by a plurality of support bases (21) which are hinged radially to the fixing frame (11) of the fixing mechanism (10) and rotate up and down. Item 2. A non-drive-type telescopic articulated device for high-altitude work according to item 1. Each of the support bases (21) is coupled to a handle (21a), a ball screw (21b) axially set on the handle (21a), and an end of the ball screw (21b) so as to be moved up and down. The non-drive-type telescopic articulated device for high-altitude work according to claim 2 , further comprising a caster (21c). Wherein each boom (31), in order to prevent the inflow of foreign matter during stretching, any one of claims 1 to 3, characterized in that at each end brush (32) or rubber plate is inserted non-driven telescopic articulated device for aerial described.   The fixing mechanism part (10) and the expansion / contraction mechanism part (30) are arranged such that the expansion / contraction mechanism part (30) can be changed in angle up and down with respect to the fixing mechanism part (10). The non-driven telescopic articulated device for high-altitude work according to claim 1, characterized in that the structure is interconnected to two cylinders (42). The first cylinder (41) and the second cylinder (42) are configured to further include an outer protective cover (43) on the piston rod to prevent foreign matters such as dust from flowing into the piston rod. The non-drive-type telescopic articulated device for high-altitude work according to claim 5 . Since the bucket (50) rotates with the horizontal maintenance, the bucket (50)
50) and a base (51) connected to an end of the telescopic mechanism (30). Driven telescopic articulated device. The fixed base (51) includes a second rotating bearing (53) capable of rotating the bucket, a third cylinder (52) for maintaining the level of the bucket (50), and the third cylinder (52). The non-drive-type telescopic articulated device for high-altitude work according to claim 7 , wherein the non-drive-type telescopic multi-joint device for high-altitude work is configured by driving means for providing a driving force to the head. The non-drive-type telescopic articulated device for high-altitude work according to claim 8 , wherein the driving means is a hydraulic motor (53a). Any one of claims 1 to 9, which is inserted into the interior of the hull (200) and fixedly installed so that an operator can board, move to a target position, and perform various operations on the inner wall of the hull (200) . one or more telescopic articulated device according to item 1 (100);
A tower crane (300) that is installed outside the hull (200) and that inputs or removes the telescopic articulated device (100) from the open upper side of the hull (200). An internal working system using a non-driven telescopic articulated device.

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