KR20200045629A - A marking device of level-pad for a lng cryogenic tank - Google Patents

Abstract

Disclosed is a marking device of a level pad used for an LNG cargo hold which can automatically display the thickness of a level pad. According to the present invention, the marking device of a level pad used for an LNG cargo hold comprises: a roll stamp to continuously display marking letters representing the thickness of the level pad on one surface of the level pad; a main body having an opening part at a marking position at which the level pad and the roll stamp come in contact with each other; a roll stamp attaching/detaching means installed on a lower portion of the main body to vertically move the roll stamp around one axis from the marking position; an insertion guide fixed and installed in front of the main body to guide the level pad to be inserted into the marking position; and a magnetic support means to attach/detach the marking device to/from an area of plane equipment which machines the other surface of the level pad into a prescribed thickness.

Description

Marking device of LNG cargo hold level pad {A MARKING DEVICE OF LEVEL-PAD FOR A LNG CRYOGENIC TANK}

The present invention relates to a marking device for displaying a thickness corresponding to a level pad of various thicknesses used to match the level of an insulation pad forming an interior of an LNG cargo hold when constructing an LNG cargo hold, as a level pad marking device used in an LNG cargo hold. will be.

There are many LNG carriers among ships recently received and built by shipyards.

The LNG carrier is a vessel that transports LNG that has been liquefied by cooling natural gas, and has a double insulating wall and a double insulating wall inside.

The sealing wall and the insulating wall are manufactured in a factory by an insulation pad, which is a module, and sent to a shipyard.

In other words, a plurality of insulation pads manufactured in the factory are fixed inside the hull to form the walls of the cargo hold.

However, due to the limitation of precision in making the hull flat, when the insulation pad is applied to the hull, a height difference may occur between the applied insulation pads.

If a height difference occurs between neighboring insulation pads, the adhesion construction of the triplex connecting the insulation pads during construction becomes difficult, and the thermal insulation performance may be deteriorated due to a substantial reduction in the insulation thickness.

For this reason, when the insulation pad is provided on the hull, a level pad is disposed between the hull and the insulation pad to flatten the height difference of the insulation pad.

The level pad is mainly made of wood and has various thicknesses. To select and work with level pads of various thicknesses at a construction site, the thickness must be marked on the level pads.

Conventionally, an operator manually stamped a stamp to indicate the thickness.

However, such manual work has been deteriorated in work efficiency and time-consuming, which has adversely affected the air and efficiency of the entire work.

For this reason, there is an increasing demand on site for equipment capable of automatically displaying the thickness on the level pad.

In the present invention, it is intended to provide a marking device for an LNG cargo hold level pad, specifically, an LNG cargo hold level pad that can automatically display the thickness of the level pad.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems that are not mentioned will be clearly understood by those skilled in the art from the following description. Will be able to.

In order to solve the problems as described above, an embodiment of the present invention in a level pad marking apparatus used in an LNG cargo hold, a roll stamp continuously displaying marking characters indicating the thickness of the level pad on one surface of the level pad , The main body having an opening at the marking position where the level pad and the roll stamp come into contact, the roll stamp detachable means installed at the bottom of the main body to move the roll stamp up and down around the axis from the marking position, fixedly installed in front of the main body The level of the LNG cargo hold level pad including a level pad inlet guide to guide the level pad into the marking position and a magnetic support means for attaching and detaching a marking device to one area of the planer equipment processing the other surface of the level pad to a predetermined thickness. Provide a marking device.

In addition, when the ink supply means for supplying ink to the roll stamp, the marking detection means for detecting the marked marking characters, and the intensity of the detected marking characters are not greater than a predetermined standard, the roll stamp detachable means is rotated to rotate the roll stamp. Provided is an LNG cargo hold level pad marking device further comprising a roll stamp automatic desorption means moving downward from a marking position.

In addition, the level pad lead-in guide, the upper surface of the guide lower member formed to be inclined upward toward the rear, a pair of guide side members formed to be narrower as the interspace goes to the rear, and a lower surface of the guide upper member formed to incline downward toward the LNG It provides a marking device for the cargo level pad.

In addition, the level pad inlet guide further includes an upper member height adjusting means that can move the guide upper member up and down, and the upper member height adjusting means is connected to a mounting portion and a mounting portion fixed to the upper surface of the main body and guided. Provided is a marking device for an LNG cargo hold level pad that includes a height adjuster for adjusting the height of the upper member.

In addition, the height adjustment unit is fixed to the mounting portion, the bush having a hollow penetrated up and down inside, the lower end is fixedly coupled to the upper surface of the upper guide member, and the cylinder is movable up and down through the hollow The LNG cargo hold including a shaft, a compression spring fixed to the upper end of the shaft, and generating a force in a direction widening in proportion to a compression force in a direction in which a stopper having a diameter larger than the diameter of the shaft and a bush and a guide upper member are narrowed It provides a level pad marking device.

In addition, it provides a marking device for an LNG cargo hold level pad further comprising a signal generator for extracting the thickness of the level pad from the detected marking character and generating a corresponding signal, and transmitting the signal to the planer equipment.

According to the LNG cargo hold level pad marking device according to an embodiment of the present invention, it is possible to automatically display thickness and / or thickness-related information on the level pad, thereby maximizing work efficiency and greatly reducing cost and shortening air. It can help.

The effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description. will be.

1 is a perspective view showing a state in which the level pad is inserted into the marking device attached to a region of the planer equipment according to an embodiment of the present invention from the upper side.
FIG. 2 is a perspective view showing a state in which a level pad is inserted into a marking device attached to a region of a planer equipment according to an embodiment of the present invention.
3 is a perspective view showing a marking device separated from a region of a planer equipment according to an embodiment of the present invention from above.
4 is an exploded perspective view of a marking device according to an embodiment of the present invention.
5 is a side view showing a marking device displaying a thickness on a level pad according to an embodiment of the present invention.
6 is a side view showing a marking device in a state where the roll stamp according to an embodiment of the present invention is detached from the marking position.
FIG. 7 is a side view showing a marking device in a state where the roll stamp according to an embodiment of the present invention is completely detached from the marking position.
8 illustrates a configuration of a marking device that generates a signal after detecting a marking character displayed on a level pad according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

DETAILED DESCRIPTION The detailed description set forth below, in conjunction with the accompanying drawings, is intended to describe exemplary embodiments of the invention, and is not intended to represent the only embodiments in which the invention may be practiced.

In order to clearly describe the present invention in the drawings, parts irrelevant to the description may be omitted, and the same reference numerals may be used for the same or similar elements throughout the specification.

1 is a perspective view showing a state in which the level pad is inserted into the marking device attached to a region of the planer equipment according to an embodiment of the present invention from the upper side.

FIG. 2 is a perspective view showing a state in which a level pad is inserted into a marking device attached to a region of a planer equipment according to an embodiment of the present invention.

3 is a perspective view showing a marking device separated from a region of a planer equipment according to an embodiment of the present invention from above.

4 is an exploded perspective view of a marking device according to an embodiment of the present invention.

1 to 4, the marking apparatus of the LNG cargo hold level pad according to an embodiment of the present invention includes a main body 100, a roll stamp 200, a roll stamp detachable means 300, and a level pad drawing guide 400 ) And magnetic support means 500.

When the on-site worker is carrying out the construction of the LNG cargo hold, the level pad (1), which is made of wood, must be prepared in large quantities in various thicknesses because the construction may be stopped if the level pad (1) is insufficient. For the efficiency of work, the level pad 1 should be marked with a thickness.

Conventionally, a worker performing the construction of an LNG cargo hold processed the level pad 1 of a long plank shape made of wood by thickness in a planer equipment, cut it to a predetermined standard, and manually used it after displaying the numerical value of the thickness. .

However, since the quantity of the level pad 1 is quite large, a lot of time and labor are required in the process of manually displaying the thickness on the level pad 1, so the level automatically displays the thickness for the efficiency of work. The pad marking device was developed.

The body 100 may have a shape of a flat plate made of metal, and may have an opening in the center of the plate.

The level pad 1 may contact the upper surface of the main body when the marking operation is made and move from front to rear of the main body to finally enter the planer equipment.

The roll stamp 200 may contact the level pad 1 moving from front to rear through the opening and take marking characters on the lower surface of the level pad 1, at this time, the roll stamp 200 and the level pad 1 ) Can be defined as the marking position.

The level pad inlet guide 400 may be fixedly installed in the front of the main body 100, and the magnetic support means 500 may be fixedly installed in the rear.

In addition, under the main body 100, a roll stamp 200, a roll stamp detachable means 300, an ink supply means 600, a marking detecting means 700, and a roll stamp automatic detaching means 800 may be installed. .

When the operator draws the level pad 1 on a long plate for the marking operation into the marking position through the level pad insertion guide 400, even if the level pad 1 is put into an unspecified position, the level pad insertion guide 400 The level pad (1) is automatically aligned and moved to the marking position.

For this alignment operation, the level pad inlet guide 400 may include a guide lower member 410, a guide side member 420, a guide upper member 430, and an upper member height adjusting means 440.

The guide lower member 410 may be fixedly installed in front of the main body 100, and the upper surface of the guide lower member 410 may be formed to be inclined upward toward the rear.

Therefore, even if the operator inserts the level pad 1 toward the level pad inlet guide 400 at a position slightly lower than the marking position, the upper surface of the level pad is inclined upward toward the rear of the guide lower member 410 (1) can be guided to a position similar to the marking position.

The guide side member 420 may be fixed and installed in front of the main body 100, or may be fixed and installed on the guide lower member 410.

In addition, the guide side members 420 are located on the left and right sides in a pair, and the space between the pair of guide side members 420 may be configured to become narrower toward the rear.

Therefore, even if the operator biases the level pad 1 slightly to the left or the right side of the marking position and inserts it toward the level pad inlet guide 400, a pair of guide side members 420 mark the level pad 1 in the marking position. And can be sorted in a similar position.

The guide upper member 430 may be installed to be movable up and down in front of the main body, and may be formed to be inclined downward as the lower surface of the guide upper member 440 goes rearward.

Accordingly, even if the operator inserts the level pad 1 toward the level pad inlet guide 400 at a position slightly higher than the marking position, the lower surface of the level pad is inclined downward toward the rear of the guide upper member 410 (1) can be guided to a position similar to the marking position.

The upper member height adjusting means 440 may move the guide upper member 430 up and down, and may include a mounting portion 441 and a height adjusting portion 442.

The mounting portion 441 may be fixedly installed at the front surface of the upper surface of the main body 100, and may support a height adjusting portion 442 capable of moving the upper guide member 430 up and down.

The height adjustment part 442 may include a bush 445, a shaft 446, a stopper 447 and a compression spring 448.

The bush 445 may be fixed to the mounting portion 441 and installed, and may have a hollow pierced therein.

The shaft 446 may be fixed to and coupled to the upper surface of the guide upper member 430, and may have a cylindrical shape that can be moved up and down through the hollow of the bush 445.

Compression spring 448 may be in the form of a helical member surrounding the shaft along the circumference of the shaft 446, when the compression force acts in a direction in which the gap between the bush 445 and the guide upper member 430 is narrowed, proportional to this Thus, a force can be generated in the widening direction.

The stopper 447 may have a larger diameter than the diameter of the shaft 446 and may be fixedly coupled to the upper end of the shaft 446.

The stopper 447 has a bottom surface of the guide upper member 430 in the process in which the compression spring 448 pushes the guide upper member 430 downward so that the level pad 1 is in close contact with the roll stamp 200 at the marking position. It can act as a stop so that it does not touch the top surface.

The magnetic support means 500 may be provided with a permanent magnet or an electromagnet, and may be fixed and installed at the rear of the main body 100.

Therefore, the operator can selectively attach and detach the marking device of the LNG cargo hold level pad according to an embodiment of the present invention to the entrance of the planer equipment using the magnetic support means 500.

Therefore, the worker performs a marking operation of the level pad by attaching the marking device of the level pad of the LNG cargo hold according to an embodiment of the present invention by using the magnetic support means 500 at the entrance of one planer equipment. When complete, the marking device can be removed and attached to the entrance of other planer equipment to work or store it in a warehouse.

Marking characters indicating the thickness may be engraved on the surface of the roll stamp 200 so as to be able to take marking characters by applying ink.

In addition, the roll stamp 200 has a round cylindrical shape, and is provided with a rotating shaft therein to continuously take marking characters while rotating while maintaining contact with the level pad 1.

The roll stamp 200 may perform a marking operation by contacting the level pad 1 inserted through the level pad insertion guide 400 at the marking position through the opening of the main body 100.

5 is a side view showing a marking device displaying a thickness on a level pad according to an embodiment of the present invention.

6 is a side view showing a marking device in a state where the roll stamp according to an embodiment of the present invention is detached from the marking position.

FIG. 7 is a side view showing a marking device in a state where the roll stamp according to an embodiment of the present invention is completely detached from the marking position.

8 illustrates a configuration of a marking device that generates a signal after detecting a marking character displayed on a level pad according to an embodiment of the present invention.

5 to 8, the roll stamp detachable means 300 may be rotatably installed around one axis on the lower part of the marking device of the LNG cargo hold level pad according to an embodiment of the present invention, and the roll stamp ( 200) may be slidably installed on the upper portion of the roll stamp detachable means (300).

The roll stamp sliding portion 210 may be installed to be slidable back and forth on the roll stamp detachable means 300, and the roll stamp 200 may be rotatably installed on the roll stamp sliding portion 210 around one axis. .

On the roll stamp sliding part 210, the ink supply means 600 may be rotatably installed around one axis along with the roll stamp 200, and the ink supply means 600 may be installed in parallel other than the roll stamp 200. As it rotates in contact with each other, ink is continuously supplied to the roll stamp during the marking operation.

The ink supply means 600 has a round cylindrical shape, and has a rotating shaft therein, so that ink can be stored and supplied on the surface, so that ink can be continuously supplied to the roll stamp 200.

When the roll stamp detachable means 300 rotates around one axis while supporting the roll stamp sliding part 210, the roll stamp 200, and the ink supply means 600, the spring moves together from the marking position to the tension spring 310 ) Both ends of the main body and the roll stamp detachable means 300 are respectively installed to support the roll stamp detachable means 300, so that it is easier to detach and attach, and stop at a suitable position so that the operator can easily replace the ink supply means in the detachable state. Can be done.

In addition, the tension spring 310 may adhere the roll stamp 200 to the bottom surface of the level pad 1 while the marking operation is in progress.

Marking detecting means 700 may be fixed to the main body and installed.

The marking detecting means 700 is marked by contacting the roll stamp 200 and the level pad 1 at the marking position, and marking is made on the lower surface of the level pad 1, and then the marking character is darkened. And / or the shape of the marking character.

When the intensity of the marking character detected by the marking detecting means 700 is not greater than a predetermined standard, the roll stamp automatic detaching means 800 may move the roll stamp detaching means 300 downward.

The marking detecting means 700 may be a visual sensor that detects the intensity or shape of the marking character taken on the lower surface of the level pad 1 through the opening of the main body 100 from the rear of the marking position.

When information on the intensity or shape of the marking character detected by the marking detecting means 700 is transmitted to the control unit 1000, the control unit 1000 determines the darkness and, if it is not darker than a predetermined standard, a roll stamp removal command It can be sent to the roll stamp automatic removal means (800).

The automatic roll stamp detachable means 800 may be a hinge of a connecting shaft connecting the roll stamp detachable means 300 and the main body 100, and upon receiving a roll stamp detachment command, release the hinge fastener to release the roll stamp detachable means 300. You can let it go down by gravity.

That is, when the marking character stamped by the roll stamp becomes thin due to the ink running out, when the marking character needs to be made darker, the roll stamp attaching and detaching means 300 descends, so that the operator knows that the roll stamp attaching and detaching means 300 is lowered. It is convenient because it is necessary to visually recognize and supply ink to the ink supply means.

Referring to FIG. 6, it can be confirmed that the roll stamp detachable means 300 was first moved downward along with the roll stamp 200 and the ink supply means 600.

After the primary movement, as illustrated in FIG. 7, the operator may secondaryly move to the final position for easy exchange, which means that the roll stamp sliding unit 210 is roll stamp 200 and ink supply means 600 ).

Meanwhile, the roll stamp 200 and the ink supply means 600 are provided in a modular package form and may be replaced at the same time.

In addition, when the shape of the marking character is detected by the marking detecting means 700 and the information is transmitted to the controller 1000, the controller 1000 may send the shape to the signal generator 1010.

The signal generator 1010 extracts the thickness from the information on the shape of the marking character received from the control unit, generates a signal corresponding thereto, and then transmits the generated signal to the router.

The planer equipment is a device that processes the level pad (1) to a predetermined thickness after the marking on the level pad (1) is completed. Even if no other worker sets the thickness to be processed, the planer equipment corresponds to the thickness. When the signal is received from the signal generator 1010, the planer equipment can automatically process the level pad 1 to a thickness corresponding to the marking character.

That is, when the marking device of the LNG cargo hold level pad according to an embodiment of the present invention is installed on a planer equipment, the thickness of the level pad 1 to be processed is automatically recognized from the marking characters marked by the level pad marking device. It is possible to greatly increase the working efficiency, and it is possible to prevent a case in which the thickness corresponding to the marked character and the actual processed thickness are different due to operator error.

The embodiments of the present invention disclosed in the present specification and drawings are merely intended to easily describe the technical contents of the present invention and to provide specific examples to help understanding of the present invention, and are not intended to limit the scope of the present invention.

Therefore, the scope of the present invention should be interpreted as including all the modified or modified forms derived on the basis of the technical spirit of the present invention in addition to the embodiments disclosed herein.

1: Level pad 100: Main body
200: roll stamp 210: roll stamp sliding part
300: Roll stamp detachable means 400: Level pad guide
410: guide lower member 420: guide side member
430: guide upper member 440: upper member height adjustment means
500: magnetic support means 600: ink supply means
700: marking detection means 800: roll stamp automatic removal means
1000: control unit 1010: signal generating unit

Claims (6)

In the level pad marking device used in the LNG cargo hold,
A roll stamp continuously displaying marking characters indicating the thickness of the level pad on one surface of the level pad;
A body having an opening at a marking position where the level pad and the roll stamp come into contact;
A roll stamp detachable means installed at a lower portion of the main body to move the roll stamp from the marking position up and down about one axis;
A level pad insertion guide that is fixedly installed in front of the main body and guides the level pad to be drawn into the marking position; And
Marking device of the LNG cargo hold level pad, including a magnetic support means for attaching and detaching the marking device to a region of the planer equipment for processing the other surface of the level pad to a predetermined thickness. According to claim 1,
Ink supply means for supplying ink to the roll stamp;
Marking detecting means for detecting the displayed marking character; And
LNG cargo hold level further comprising a roll stamp automatic desorption means for rotating the roll stamp detachable means by moving the roll stamp down from the marking position when the detected marking character is not thicker than a predetermined standard. Pad marking device. According to claim 2,
The level pad entry guide,
A guide lower member formed to be inclined upward as the upper surface goes rearward;
A pair of guide side members formed such that the interspace becomes narrower toward the rear; And
Marking device of the LNG cargo hold level pad including a guide upper member formed to be inclined downward as the lower surface goes rearward. According to claim 3,
The level pad entry guide,
Further comprising an upper member height adjustment means for moving the guide upper member up and down,
The upper member height adjustment means,
A mounting portion fixed and installed on the upper surface of the main body; And
Marking device of the LNG cargo hold level pad including a height adjustment portion connected to the mounting portion to adjust the height of the guide upper member. According to claim 4,
The height adjustment unit,
A bush fixed to the mounting portion and provided with a hollow penetrating up and down inside;
A shaft having a lower end fixed to and coupled to the upper surface of the guide upper member and movable up and down through the hollow;
A stopper fixedly coupled to the upper end of the shaft and having a diameter larger than the diameter of the shaft; And
Marking device for the LNG cargo hold level pad including a compression spring that generates a force in a direction widening in proportion to the compression force in the direction in which the bush and the guide upper member are narrowed. According to claim 2,
Marking device of the LNG cargo hold level pad further comprising a signal generator for extracting the thickness of the level pad from the detected marking character and generating a corresponding signal, and transmitting it to the planer equipment.

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