KR100677776B1 - Method of carrying extra-large block by many hydraulic powers and apparatus there of - Google Patents

Abstract

A method and an apparatus for carrying an extra-large block are provided to improve the productivity and workability in construction of a ship by manufacturing the extra-large block on the ground and carrying it to the ground by using a plurality of hydraulic power units. An apparatus for carrying an extra-large block includes a main power ram section(102), a first auxiliary power ram section(110), and a second auxiliary power ram section(120). The main power ram section includes a ram column and a main cylinder section for prolonging and contracting the ram column in the upward and downward directions. The main power ram section is disposed so as to be slidable at an upper portion of the body. The first auxiliary power ram section includes a long axis ram and a first auxiliary cylinder section. The first auxiliary power ram section moves the extra-large block forward and rearward. The second auxiliary power ram section includes a short axis ram and a second auxiliary cylinder section. The second auxiliary power ram section minutely regulates the right and left positions of the extra-large block.

Description

Method of carrying extra-large block by many hydraulic powers and Apparatus there of}

1 is a schematic view showing the drying of a conventional super hull block.

Figure 2 is a flow diagram showing an embodiment of a super block movement method and a device using a plurality of hydraulic transmission apparatus according to the present invention.

3 is a plan view of a hydraulic transmission apparatus used in the embodiment shown in FIG.

4 is a front view showing the hydraulic power transmission device used in the embodiment shown in FIG.

FIG. 5 is a right side view of the hydraulic power transmission device in the embodiment shown in FIG. 2.

6 is a schematic diagram illustrating simultaneous control by a remote controller of a plurality of hydraulic power transmission apparatuses in the embodiment illustrated in FIG. 2.

<Explanation of symbols for the main parts of the drawings>

100: hydraulic power transmission device 102: main power ram section

110: first auxiliary power ram unit 120: second auxiliary power ram unit

130: hydraulic power transmission unit 140: hydraulic system

145: controller 150: super large hull block

The present invention relates to a moving method of a very large hull block (mega block or giga block), and more particularly to a method for moving the super large hull block using a plurality of hydraulic transmission devices on land.

In general, the shipbuilding industry, which begins with the order of the ship and is designed, built, and delivered, the profitability of the business in the process depends on the survival and success of the industry.

An important factor in determining profitability is productivity in shipbuilding, and all shipbuilding industries are competing for the improvement of productivity.

For this reason, block drying has emerged.

The block drying method is a method of first dividing the hull into dozens or hundreds of blocks and assembling the individual blocks on the ground, and assembling them into a hull by sequentially mounting the produced blocks on the ship's fleet.

Depending on the shape of the block, the finished block is painted with the most efficient process at the most suitable factory.

The blocks finished up to the painting are joined by several blocks, and thus the operation of combining the blocks into one is called a PE (Pre-Erection) work.

The operation is to pre-assemble several small blocks into one large block, can be mounted at a time to reduce the time required for the ship's drying it can increase the production and work efficiency.

After the piercing operation is performed, each hull block is moved to a dock to be manufactured as a super hull block or to be built as a single vessel.

1 is a schematic view showing the drying of a conventional super hull block.

As shown in FIG. 1, in the PE workshop 10, various hull blocks 14 are manufactured using the land crane 12.

The hull block 14 may be made of a very large hull block in the PE workshop 10, but it must be transported into the dock 30 to be dried and launched into a single ship.

At this time, the transporter 16 and the offshore crane 20 may be used as means for transporting the dock 30. However, the transporter 16 is capable of transporting the hull block 14 to the land 18, but the load is less than about 1000 tons, so it is difficult to carry the super-large hull block, the marine crane 20 In the case of about 3000 tons of hull block can be carried, but can be moved only to the sea 22, it can carry a very large hull block only within the range of the boom of the offshore crane (20).

As such, when the super hull block is manufactured on land, the super hull block is moved to the working range of the marine crane to move the super hull block into the dock, or the boom of the marine crane does not reach the boom of the marine crane inside the dock. There is a need for a technique that can move hull blocks.

Therefore, the present invention has been made in order to overcome the disadvantages of the prior art as described above, in order to move the super-large hull block manufactured on land to the inside of the dock for ship building, a plurality of hydraulic transmission devices to the land to super large It is a technical problem to provide a construction method and a device for moving a block.

The present invention for achieving the above object is inserted into the lower portion of the large block supported by the banyan, the first auxiliary power ram (Ram) portion extending by the moving distance of the super-large block and the second auxiliary positioned perpendicular thereto A plurality of hydraulic power transmission apparatuses having a power ram portion, moving the main power ram portion upward to lift the extra large block; Moving the first auxiliary power ram unit back and forth to horizontally move the super block; Moving the second auxiliary power ram part left and right to finely adjust the movement position of the extra large block; And moving the main power ram part downward to seat the super-large block on the lumber of the moved position.

At this time, it is preferable that the plurality of hydraulic transmission devices further perform a simultaneous control step of simultaneously operating or stopping by a remote controller.

In addition, the present invention includes a ram pillar, a main cylinder portion for stretching the ram pillar in the vertical direction, and is arranged to be slidable from the top of the main body, the main power ram portion for lifting the super-large block; A first auxiliary power ram unit including a long axis ram coupled to the first hinge part of the main cylinder part and a first auxiliary cylinder part configured to expand and contract the long axis ram, wherein the first auxiliary power ram part moves the super-large block forward and backward; And a short shaft ram coupled to a second hinge portion formed perpendicular to the first hinge portion in the main cylinder portion, and a second auxiliary cylinder portion configured to stretch the short shaft ram, and to finely adjust the left and right positions of the super block. It provides a super block moving device using a plurality of hydraulic power transmission device comprising a second auxiliary power ram unit.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the super-large block moving method and a device using a plurality of hydraulic transmission apparatus according to the present invention.

Figure 2 is a flow diagram illustrating an embodiment of a super block movement method using a plurality of hydraulic transmission apparatus according to the present invention.

Before describing the super large block movement method according to the flow chart shown, first, the hydraulic transmission apparatus used in the present invention will be described first to aid in understanding of the present embodiment.

3 is a plan view of a hydraulic transmission apparatus used in the embodiment shown in FIG. As shown, the hydraulic transmission device 100 is composed of a main body 130, the main power ram unit 102, the first auxiliary power ram unit 110 and the second auxiliary power ram unit 120, the hull block It is a device that plays a role of lifting and matching the level of the front, rear, left and right, and top and bottom.

Among them, the main power ram unit 102 serves to lift the hull block, and the first auxiliary power ram unit 110 is responsible for the forward and backward movement of the hull block lifted by the main power ram unit 102. 2 auxiliary power ram 120 is responsible for fine adjustment between the left and right.

At this time, the first auxiliary power ram unit 110 and the second auxiliary power ram unit 120 is the end of each of the ram (114, 124) is a first cylinder mounted on the circumferential surface of the main cylinder portion of the main power ram unit 102 It is coupled to the first hinge portion and the second hinge portion (not shown), the coupling direction has a form perpendicular to each other cross.

For this reason, the first auxiliary power ram unit 110 pushes the main power ram unit 102 to move the lifted hull block in the front-rear direction. In the same principle, the second auxiliary power ram unit 120 pushes the main power ram unit 102 again to finely adjust the hull block moved back and forth in the left and right directions.

At this time, in order for the main power ram unit 102 to slide on the upper surface of the main body 130 while the hull block is lifted up, the main cylinder unit bottom surface of the main power ram unit 102 and the main body 130. There should be little friction between the upper surfaces of the present embodiment. In this embodiment, the friction coefficient is reduced by using lubricating oil. In another embodiment, a sliding method other than lubricating oil may be used.

In addition, the main body 130 of the hydraulic transmission device 100 has a hydraulic system 140 and a pump / valve controller 145 therein.

The hydraulic system 140 is connected to a commercial power source (not shown) of the external of the hydraulic transmission device 100, a plurality of hydraulic transmission device 100 by the operation signal of the external remote control (not shown) receiving the power. ) Is connected to a pump / valve controller that is electronically configured to perform algorithms that operate simultaneously.

The pump / valve controller 145 controls a hydraulic pump (not shown) to adjust the flow of hydraulic oil from the hydraulic tank, and applies an operating force to each of the rams 102, 110, and 120 of the hydraulic transmission device 100. The hydraulic oil is injected into each cylinder for delivery.

At this time, the pump / valve controller 145 is coupled to receive the opening and closing operation power, the main power ram unit 102, the first auxiliary power ram unit 110 and the second auxiliary power ram unit 120 and the hydraulic pump ( Each of the flow paths (not shown) may have an embodiment in which an electron valve is provided.

 4 is a front view showing the hydraulic power transmission device used in the embodiment shown in FIG. As shown, the hull block 150 is lifted by the main power ram unit 102, and the first auxiliary power ram unit 110 pushes the main power ram unit 102 to move the hull block 150 forward. .

The main power ram 102 has a cylindrical main cylinder 104 and a cylindrical ram pillar 106 that can be moved up and down therein. The main cylinder 104 is connected to a hydraulic system embedded in the main body 130. Hydraulic oil is injected into or discharged from) to expand and contract the ram pillar 106 in the vertical direction. Because of this, the hull block 150 is also moved in the vertical direction.

The main power ram 102 of the hydraulic transmission apparatus 100 used in the present embodiment may lift the hull block of about 600 tons.

One end of the first auxiliary power ram unit 110 is fixedly coupled to the upper surface of the main body 130 by the support 116, the cylindrical first auxiliary cylinder 112 is embedded in the main body 130 It is connected to the hydraulic system 140 may operate the long-axis ram 114 by the hydraulic oil.

In addition, the long-shape ram 114 is coupled to a first hinge portion (not shown) mounted to the main cylinder portion 104 of the main power ram portion 102. As a result, the main power ram unit 102 is moved in the front-rear direction in the front-rear direction expansion and contraction of the long-axis ram 114 of the first auxiliary power ram unit 110.

In this case, the first auxiliary power ram unit 110 of the hydraulic power transmission apparatus 100 used in the present embodiment may move the main power ram unit 102 to a maximum of about 50000 mm. In another embodiment, the movement range of the first auxiliary power ram unit 110 may be increased or decreased.

FIG. 5 is a right side view of the hydraulic power transmission device in the embodiment shown in FIG. 2. The operating force is transmitted by the hydraulic system built into the main body so that the first auxiliary power ram unit is stretched in the front and rear direction, and the main power ram unit 102 coupled to the first hinge portion also moves in the front and rear directions. As a result, the hull block 150 mounted on the main power ram unit 102 also moves in the front-rear direction.

In this case, a second hinge part is mounted on a side of the main power ram part 102 in a direction perpendicular to the first auxiliary power ram part, and the second auxiliary power ram part 120 is coupled thereto.

Therefore, when the main power ram unit 102 moves forward, the second auxiliary power ram unit 120 connected to the main power ram unit 120 must also move forward, so that the upper surface of the main body 130 of the second auxiliary power ram unit 120 A “T” shaped rail 132 corresponding to the “T” groove 128 formed at the lower end of the support 126 is hypothesized in parallel with the moving direction of the first auxiliary power ram portion.

The second auxiliary power ram unit 120 is composed of a second auxiliary cylinder 122 and a single-axis ram 124, receiving the operating force by the hydraulic oil by the hydraulic system 140 built in the main body 130. The shortened ram 124 is stretched in left and right directions, and has the same operating principle as that of the first auxiliary power ram unit.

However, the movement range of the ram 124 of the second auxiliary power ram unit 120 is only about 500 mm so that only left and right fine adjustment of the hull block is possible.

Using the hydraulic transmission apparatus described above, the flowchart shown in FIG. 2 will be described.

First, a step 201 of moving the main power ram unit upward to lift the super block.

In this embodiment, in order to move a super hull block of about 6000 tons, 10 hydraulic transmission apparatuses capable of moving up to 600 tons of hull block are used.

The hydraulic power transmission disclosed in the present invention has a conventional, individually operated hydraulic system (not shown) at the bottom of the body.

Here, the individually operated hydraulic system is connected to an external commercial power source via a power cord, and includes a hydraulic pump and a hydraulic pump control controller box (not shown) coupled to be operated by the commercial power source.

In particular, the controller box is further provided with a plurality of ram unit individual operation switch and operation status indicator lamp for the operator to manually control the operation.

In addition, the control circuit inside the controller box receives a plurality of RAM unit simultaneous operation control signals (for example, a simultaneous operation signal and a simultaneous stop signal) input from an external remote controller, and thus, the main power ram unit, the first auxiliary power ram unit, and the first auxiliary power unit. 2 Circuitry is configured to control start and stop operation of auxiliary power ram.

The remote controller is wired or wirelessly connected to a plurality of, for example, 10 hydraulic power transmission apparatuses, and a conventional simultaneous operation and stop signal output circuit capable of simultaneously operating ram units of the same type of each of the plurality of main bodies (hereinafter, referred to as an 'output circuit' And a simultaneous operation switch coupled to perform simultaneous operation for each RAM unit.

Next, a step (203) of moving the first auxiliary power ram unit back and forth to horizontally move the super-large block.

Since the front and rear movement range of the first auxiliary power ram unit is 50000 mm, the first auxiliary power ram unit connected to the main power ram unit may be moved to move the super block back and forth at a distance within 50000 mm.

Next, a step (205) of moving the second auxiliary power ram unit left and right to finely adjust the movement position of the extra large block.

Since the front and rear movement range of the second auxiliary power ram unit is 500 mm, the second auxiliary power ram unit connected to the main power ram unit may be moved to finely adjust the super block from side to side within a distance of 500 mm.

Next, a step 207 of moving the main power ram portion downward to seat the super-large block on the antagonism of the moved position.

After the super-large block is moved to the target position by the hydraulic transmission device, the level of the front and rear, left and right, up and down of the super-large block is adjusted, and banjo is inserted into the lower part of the super-large block. After the banyan is inserted and placed in such a manner that the main power ram portion of the hydraulic transmission device is moved downward, the super hull block is seated on the banyan.

The ten hydraulic powertrains used in this embodiment are operated simultaneously by one remote control.

That is, in the present invention, a plurality of hydraulic power transmission apparatus further performs a simultaneous control step of simultaneously operating or stopping by the remote control.

6 is a schematic diagram illustrating simultaneous control by a remote controller of a plurality of hydraulic power transmission apparatuses in the embodiment illustrated in FIG. 2.

In the present invention, the simultaneous control step means a pump / valve controller of each hydraulic transmission device 100, 100 ′, 100 ″ corresponding to a simultaneous operation signal or a simultaneous stop signal in response to a corresponding switch operation of the remote controller 147 by an operator. (145, 145 ', 145 "), and by controlling this, means to control the flow of the hydraulic oil inside the hydraulic tank to transfer the operating force to the corresponding ram portion (102, 110, 120) of each body 100. do.

If the simultaneous operation switch of the remote controller 147 is ON, the simultaneous operation signal is pumped to the main body 100, 100 ', 100 "through an output circuit (not shown) inside the remote controller 147. To the valve controllers 145, 145 ', and 145 ", respectively.

In this case, the pump / valve controllers 145, 145 ', and 145 "of each of the main bodies 100, 100', and 100" determine the simultaneous operation signals received as described above, and thus the respective main bodies 100, 100 '. , 100 ") to drive the ram units 102, 110 and 120, and as a result, the corresponding ram units 102, 110 and 120 of each of the ten main bodies 100, 100 'and 100 "

In addition, when the operator turns off the simultaneous operation switch of the remote controller 147, the simultaneous stop signal is transmitted to the main body 100, 100 ', 100 "through an output circuit (not shown) inside the remote controller 147. Pump / valve controllers 145, 145 ', 145 ", respectively, and the corresponding ram portions 102, 110, 120 of each of the ten main bodies 100, 100', 100" are operated at the same time as the principle of simultaneous operation. Will stop.

In an embodiment to which the present invention can be applied, when the super hull block is manufactured on land, it is used when the super hull block needs to be moved to near the working range of the offshore crane in order to move it into the dock using a sea crane. Can be.

In another embodiment, when the marine crane moves the super hull block to the sea and seated inside the dock, it is used when the super hull block is to be moved into the dock where the length of the boom of the marine crane does not reach. Can be.

In the above, the ultra-large block movement method using the plurality of hydraulic transmission apparatuses according to the present invention and the apparatus thereof have been described. Such a technical configuration of the present invention will be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention.

Therefore, the above-described embodiments are to be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the appended claims rather than the foregoing description, and the meanings of the claims and All changes or modifications derived from the scope and the equivalent concept should be construed as being included in the scope of the present invention.

As described above, according to the ultra-large block movement method using the plurality of hydraulic transmission apparatus of the present invention and the apparatus, the ultra-large hull block is manufactured in a secluded place of the land, and transported to the land by using a plurality of hydraulic transmission apparatus It is possible to improve the work efficiency and productivity in shipbuilding.

Claims (3)

A plurality of hydraulic power transmission device is inserted into the bottom of the large block supported by banyan, and has a first auxiliary power ram (Ram) portion and a second auxiliary power ram portion positioned vertically to extend the movement distance of the super-large block, Moving the main power ram portion upward to lift the extra large block; Moving the first auxiliary power ram unit back and forth to horizontally move the super block; Moving the second auxiliary power ram part left and right to finely adjust the movement position of the extra large block; And And moving the main power ram part downward so as to seat the super-large block on the lumber of the moved position. The method of claim 1, The plurality of hydraulic transmission device is a super-large block moving method using a plurality of hydraulic transmission device, characterized in that for further performing a simultaneous control step of operating or stopping at the same time by a remote control. A main power ram including a ram pillar and a main cylinder portion configured to expand and contract the ram pillar in a vertical direction, the main power ram portion being slidably disposed on an upper portion of the main body and lifting a super block; A first auxiliary power ram unit including a long axis ram coupled to the first hinge part of the main cylinder part and a first auxiliary cylinder part configured to expand and contract the long axis ram, wherein the first auxiliary power ram part moves the super-large block forward and backward; And A main shaft portion coupled to a second hinge portion formed perpendicular to the first hinge portion, and a second auxiliary cylinder portion configured to expand and contract the single axis ram, and finely adjusting the left and right positions of the super-large block. Ultra-large block moving device using a plurality of hydraulic power transmission device characterized in that it comprises a secondary power ram unit.

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