KR20220148991A - Cart device for working vessel - Google Patents

Abstract

Disclosed is a bogie device for ship work. The present invention transfers a utility device for supporting welding operation of a ship, can manage cables during work, can easily recover cables after work is completed, and can reduce the weight of a cable drum. The present invention includes a main body part; a frame; a utility part; a cable drum, and a cable.

Description

Bogie device for ship work {CART DEVICE FOR WORKING VESSEL}

The present invention relates to a bogie device for ship work, and more particularly, it transports a utility device for supporting a welding operation of a ship, manages cables during operation and easily recovers cables after the operation is finished, and the weight of the cable drum It relates to a bogie device for ship work that can reduce .

In general, when manufacturing large-scale steel structures used in the construction of ships, various steel plates and section steel materials are mainly manufactured through welding.

The bogie for work used in these work sites is used in various ways, such as welding, marking, processing, painting, and piping.

In addition, the work bogie, for example, a moving means equipped with a drive wheel to move to a work position, a workbench prepared for the operator to proceed with the work by loading the necessary tools and materials at the corresponding work position, and to perform welding work It may be manufactured in a form including various utility devices for

However, welding of a large structure such as a ship requires a high skill level of the operator as well as an increase in fatigue because the operator performs the operation for a long time.

Recently, by automating a welding operation, a welding apparatus capable of reducing operator fatigue has been disclosed.

Korean Patent Publication No. 10-1149515 (Title of the Invention: Welding apparatus and welding method) has a movable bogie including wheels, a lifting unit provided on the bogie, and a horizontal lifting unit mounted on the lifting unit And a welding apparatus having a welding robot having a welding torch capable of vertical and rotational motion is disclosed.

However, the welding apparatus according to the prior art has a problem in that it is not free to move and work in a narrow space due to various obstacles due to the characteristics of the ship assembly site.

In addition, in Korea Patent Publication No. 10-1203295 (Title of the Invention: Detachable Bogie of Welding Robot), a bogie in which a welding robot is mounted at the bottom of a welding block of a ship, a controller of the welding robot and a welding machine are mounted Disclosed is a detachable bogie configured to be detachable and combineable.

The detachable bogie according to the prior art is composed of an optical fiber and a cooling water supply pipe in the case of a cable for using a laser welding machine, which requires a connection using a cable between the separated bogies, and the inner diameter of the cable drum for winding the cable has a diameter It has to be 1.2m or more, so there is a problem in that the weight of the cable drum supporting the winding of the cable increases along with the increase in the weight of the cable.

In addition, there is a problem in that the curvature (R) of the cable must be maintained above a certain value during the welding operation to prevent damage or breakage of the cable, making it difficult to manage.

In addition, there is a problem in that the cable is twisted in the process of winding the cable on the cable drum after the end of the operation, resulting in damage to the cable.

1. Korea Patent Publication No. 10-1149515 (Title of the Invention: Welding Apparatus and Welding Method) 2. Korea Patent Publication No. 10-1203295 (Title of Invention: Detachable bogie of Welding Robot)

In order to solve this problem, the present invention is a ship capable of transporting a utility device for supporting a welding operation of a vessel, managing the cable during operation and easily recovering the cable after completion of the operation, and reducing the weight of the cable drum An object of the present invention is to provide a bogie device for work.

In order to achieve the above object, an embodiment of the present invention provides a bogie device for ship work, comprising: a body portion having a plurality of wheels; a frame installed in the main body to fix the utility part, and to support the cable connected between the utility part and the movable body for work to be fixed at an arbitrary position; a utility unit for transmitting and receiving an operation control signal to and from the moving object for work; a cable drum having an inner diameter such that a diameter formed by the wound cable is greater than or equal to a certain size for winding the cable; and a cable connecting the utility unit and the moving body for work.

In addition, it characterized in that it further comprises a; cable drum support part installed in the main body according to the embodiment to support the cable drum to rotate.

In addition, it is installed in the main body according to the embodiment characterized in that it further comprises a twist preventing part for preventing the cable from being twisted and twisted through friction before the cable is wound on the cable drum.

In addition, the main body according to the embodiment is characterized in that it further comprises a driving unit for providing a driving force to the wheel.

In addition, the frame according to the embodiment further includes an auxiliary frame for supporting the cable to be fixed to an arbitrary position in the vertical direction, wherein the auxiliary frame is provided with a lifting unit for lifting the cable in an upward or downward direction. do.

In addition, the cable drum support according to the embodiment includes a support frame; and a rotation shaft installed on one side of the support frame, wherein the support frame and the rotation shaft are coupled and supported from one side of one side of the cable drum.

In addition, the cable according to the embodiment includes a laser fiber for transmitting a laser beam output from the utility unit, an electric signal line for transmitting power supply and various electrical control signals, and a vacuum pressure so that the moving object for work is adsorbed on the surface of the vessel. It is characterized in that it includes a vacuum line to form a.

The present invention has advantages in that it is possible to transport a utility device for supporting the welding operation of a ship, manage the cable during operation, easily recover the cable after the operation is completed, and reduce the weight of the cable drum.

1 is an exemplary view showing a bogie device for ship work according to an embodiment of the present invention.
Figure 2 is an exemplary view for explaining the use state of the bogie device for ship work according to the embodiment of Figure 1;
Figure 3 is an exemplary view showing a cable and a cable drum of the bogie device for ship work according to the embodiment of Figure 1;
Figure 4 is an exemplary view showing a cable drum according to the embodiment of Figure 3;
Figure 5 is an exemplary view showing a cable drum support of the bogie for ship work according to the embodiment of Figure 1;
Figure 6 is another exemplary view showing the cable drum of the bogie device for ship work according to the embodiment of Figure 1;
Figure 7 is another exemplary view showing the cable drum of the bogie device for ship work according to the embodiment of Figure 1;
FIG. 8 is an exemplary view showing a twist preventing unit of the bogie device for ship work according to the embodiment of FIG. 1 .
9 is a cross-sectional view showing the structure of the twist preventing part of FIG.

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

Prior to describing the specific contents for carrying out the present invention, it should be noted that components not directly related to the technical gist of the present invention are omitted within the scope of not disturbing the technical gist of the present invention.

In addition, the terms or words used in the present specification and claims have meanings and concepts consistent with the technical idea of the invention based on the principle that the inventor can define the concept of an appropriate term to best describe his invention. should be interpreted as

In this specification, the expression that a part "includes" a certain element does not exclude other elements, but means that other elements may be further included.

Also, terms such as “… unit”, “… group”, and “… module” mean a unit that processes at least one function or operation, which may be divided into hardware, software, or a combination of the two.

In addition, the term "at least one" is defined as a term including the singular and the plural, and even if the term at least one does not exist, each element may exist in the singular or plural, and may mean the singular or plural. will be self-evident.

In addition, that each component is provided in singular or plural may be changed according to an embodiment.

Hereinafter, a preferred embodiment of the bogie device for ship work according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary view showing a bogie device for ship work according to an embodiment of the present invention, FIG. 2 is an exemplary view for explaining a state of use of the bogie device for ship work according to the embodiment of FIG. 1, FIG. 3 is FIG. 1 is an exemplary view showing a cable and a cable drum of the bogie device for ship work according to the embodiment, FIG. 4 is an exemplary view showing the cable drum according to the embodiment of FIG. 3, FIG. 5 is a ship according to the embodiment of FIG. It is an exemplary view showing the cable drum support of the bogie device for work.

1 to 5 , the bogie device 100 for ship work according to an embodiment of the present invention transports a utility device for supporting a welding operation of a ship, manages cables during work, and removes cables after work is finished The body part 110, the frame 120, the utility part 130, the cable drum 140, the cable 150, and the cable drum can be easily recovered and can reduce the weight of the cable drum. It may be configured to include a support unit 160 and a twist preventing unit 170 .

The body part 110 is a member of a rectangular shape, and a plurality of wheels 111 are installed at a lower portion thereof.

In addition, the main body 110 may be configured to be moved in connection with a towing vehicle (not shown) by installing a towing ring 112 on one side.

In addition, the main body 110 may be configured to move to an arbitrary position by magnetic force at a work site by installing, for example, a driving unit 113 such as a motor providing driving force to the wheels 111 .

The frame 120 is installed on the main body 110 and is configured to fix the utility unit 130 .

In addition, the frame 120 supports the cable 150 connected between the utility unit 130 and the movable body 300 for work to be fixed at an arbitrary position, and the cable 150 is fixed to any position in the vertical direction. It may be configured to further include an auxiliary frame 121 for supporting so as to be possible.

The auxiliary frame 121 is installed on the main body 110 to prevent the cable 150 from sagging or sagging on the floor of the work site as the movable body 300 for work performing work on the ship 200 moves. prevent.

In addition, the auxiliary frame 121 may include a lifting unit 122 for lifting the cable 150 in an upward or downward direction.

The lifting unit 122 moves in an up/down direction to prevent the cable 150 from sagging when the movable body 300 for work moves in an upper direction or a lower direction along the vessel 200 .

In addition, the lifting unit 122 lifts the cable 150 according to the movement of the movable body 300 for work, thereby preventing the cable 150 from being excessively bent.

In addition, the cable holder 123 in which the cable 150 moves together according to the upward/downward movement of the lifting unit 122 may be configured.

The utility unit 130 is configured to transmit and receive an operation control signal by being connected to the moving body 300 for work and a cable 150, and a communication means for transmitting and receiving data signals to and from the moving body 300 for work, and a laser beam. a laser oscillation means for transmitting to the movable body 300 for work through a cable 150, a laser cooling means for preventing overheating due to a large amount of heat generated from the laser oscillation means, and a power supply to the laser oscillation means A data server that transmits the UPS, which is an uninterruptible power supply, the three-dimensional design data of the ship 200 and the position coordinates necessary for the work, to the moving body 300 for work, and manages the monitoring signal of the moving body 300 for the work; Controls the operation of the vacuum device 131 for generating a vacuum pressure so that the movable body 300 for work is adsorbed to the surface of the ship 200, a fume device for collecting foreign substances, dust, etc. generated during the operation, and the utility unit 130 It may be configured to include a utility control means.

In addition, a connection part (not shown) for connecting to the cable 150 may be installed on one side of the utility unit 130 .

The cable drum 140 is a component for winding the cable 150 , and has an inner diameter of a certain size so that the diameter formed by the wound cable 150 can be maintained over a certain size.

That is, the ring-shaped frame is installed to face each other, and the support frame 141 installed so that the ring-shaped frame is spaced apart by a predetermined distance has a diameter inside the cable drum 140 of, for example, at least 1.2 m or more. configured to define an inner diameter.

In addition, configuring the cable drum 140 to have an inner diameter of 1.2 m or more can prevent damage due to excessive bending or bending of the cable 150 .

The cable drum 140 may be made of aluminum or an aluminum alloy material, and may be installed in a state of being fixed to one side of the frame 120 .

In addition, the cable drum 140 may be rotatably installed on the main body 110 by forming the rotation shaft 142 in the center.

In addition, as shown in FIG. 6 , the cable drum 140a is provided with a ring-shaped frame facing each other and is composed of a band-shaped support frame 140a having a certain width, thereby minimizing the increase in the weight of the cable drum 140a. can

In addition, as shown in FIG. 7 , the cable drum 140b is provided to face each other by forming a perforation 143 through a sheet metal in a disc-shaped iron plate, and a band-shaped support frame 140b having a certain width is configured in the inner diameter. By doing so, manufacturing cost and durability can be improved, and it can also be comprised.

Referring back to FIGS. 1 to 5 , the cable 150 is a configuration that connects the utility unit 130 and the movable body 300 for work, and includes a laser fiber 151 for transmitting a laser beam, and an electrical signal line. 152 , and a vacuum line 153 , and the like.

That is, the cable 150 includes a laser fiber 151 for transmitting the laser beam output from the utility unit 130 , an electrical signal line 152 for transmitting power supply and various electrical control signals, and a movable body 300 for work. ) is configured to include a vacuum line 153 to form a vacuum pressure so that the surface of the vessel 200 is adsorbed.

Therefore, due to the laser fiber 151, the inner diameter of the cable drum 140 must be greater than a certain size to prevent damage during winding, and also tension so that the degree of bending or bending at the work site is not deformed to a curvature value of a certain size or more. to prevent damage to the optical fiber.

In addition, a protective cover (not shown) for protecting the cable drum 140 and the cable 150 wound around the cable drum 140 may be additionally configured.

The cable drum support 160 is installed on the main body 110 to support the cable drum 140 to be rotated, and includes a support frame 161 and a support rotating shaft 162 .

The lower portion of the support frame 161 is fixed on the main body 110 , and the body of the support frame 161 is formed to extend upward by a predetermined length from the lower portion.

In addition, the support frame 161 is provided with a single body, so that the operator can easily wind the cable 150 when winding the cable 150 on the cable drum 140 , and on the contrary, unwind the cable 150 from the cable drum 140 . Also make it easy to get rid of.

The support part rotation shaft 162 is installed at the distal end of the support part frame 161 so that the support part frame 161 and the rotation shaft 162 are fixedly or rotatably coupled to one side of one side of the cable drum 140 to be supported.

The twist prevention part 170 is installed in the body part 110 to prevent the cable 150 from being twisted and twisted through friction with the cable 150 before the cable 150 is wound around the cable drum 140 . As a configuration to prevent, it may be configured to include an anti-twist support 171 , a bearing 172 , and an anti-twist reel 173 .

That is, the twist preventing unit 170 prevents the cable 150 that is twisted in the working process from being twisted and wound while the cable 150 is rewound on the cable drum 140, so that the cable 150 is damaged. to prevent it from happening.

The anti-twist support 171 is installed to extend a predetermined length on both sides about the anti-twist support rotation shaft 171a to support the bearing 172 and the anti-twist reel 173 to rotate.

The anti-twist reel 173 forms a groove of a certain size on the outer surface so that when the cable 150 is wound around the cable drum 140, the thrust wound in the direction of the cable drum 140 is applied to the anti-twist part ( 170), the twisted cable 150 by the thrust moves along the inclined surface of the groove portion and prevents the cable 150 from being twisted through friction with the inclined surface, thereby preventing the cable (150) from being twisted. 150) can be wound on the cable drum 140 without damage.

Subsequently, the bogie device 100 for ship work may include a movable body lift 400 that moves so that it can be located at the lower side of the ship 200 so that the movable body 300 seated on the upper side can be attached to the ship 200 . can

In addition, the movable body lift 400 rotates the movable body 300 180° so that the wheels of the movable body 300 can face the surface of the ship 200 when the movable body 300 is located at the lower part of the ship 200 . It may be configured to include a movable body support 410 that operates to invert and elevate the inverted movable body 300 to be in close contact with the surface of the ship 200 .

In addition, the bogie device 100 for ship work may further include a cable lift 500 supporting the cable 150 connected to the movable body 300 to be spaced apart from the ground by a predetermined distance.

That is, when the movable body 300 for work moves in the upper or lower direction along the ship 200, the cable 150 is stretched and comes into contact with the ground (or the floor) to interfere with the walking of other workers. To prevent it from happening, it can be moved in the up/down direction using the cable boom 510.

Therefore, it is possible to transport the utility device for supporting the welding operation of the vessel, manage the cable during the operation, and easily recover the cable after the operation is finished, and it is possible to reduce the weight of the cable drum.

As described above, although described with reference to the preferred embodiment of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be done.

In addition, the reference numbers described in the claims of the present invention are only described for clarity and convenience of description, and are not limited thereto, and in the process of describing the embodiment, the thickness of the lines shown in the drawings or the size of components, etc. may be exaggerated for clarity and convenience of explanation.

In addition, the above-mentioned terms are terms defined in consideration of functions in the present invention, which may vary depending on the intention or custom of the user or operator, so the interpretation of these terms should be made based on the content throughout this specification. .

In addition, even if it is not explicitly shown or described, a person of ordinary skill in the art to which the present invention pertains can make various modifications including the technical idea according to the present invention from the description of the present invention. Obviously, this still falls within the scope of the present invention.

In addition, the above embodiments described with reference to the accompanying drawings have been described for the purpose of explaining the present invention, and the scope of the present invention is not limited to these embodiments.

100: bogie (臺車) device 110: body part
111: wheel 112: tow hook
113: driving unit 120: frame
121: auxiliary frame 122: elevating unit
123: cable holding part 130: utility part
131: vacuum device 140, 140a, 140b: cable drum
141, 141a, 141b: support frame 142: rotation shaft
143: perforated 150: cable
151: laser fiber 152: electrical signal line
153: vacuum line 160: cable drum support
161: support part frame 162: support part rotation shaft
170: twist prevention part 171: twist prevention support part
171a: anti-twist support rotation shaft 172: bearing
173: anti-twist reel 200: ship
300: moving body for work 400: moving body lift
410: mobile support 500: cable lift
510: cable boom stand

Claims (7)

a body portion 110 having a plurality of wheels 111;
A frame 120 that is installed in the main body 110 to fix the utility unit 130 and supports the cable 150 connected between the utility unit 130 and the movable body 300 for work to be fixed at an arbitrary position. );
a utility unit 130 for transmitting and receiving an operation control signal to and from the movable body 300 for the work;
a cable drum (140, 140a, 140b) in which the inner diameter is formed so that the size of the diameter formed by the wound cable (150) is greater than or equal to a certain size; and
A trolley device for ship work including a; cable 150 for connecting between the utility unit 130 and the movable body 300 for work. The method of claim 1,
The body part 110 is installed on the cable drum (140, 140a, 140b) to support the cable drum (140, 140a, 140b) is rotated; 3. The method of claim 2,
A twist preventing part 170 installed in the body part 110 and preventing the cable 150 from being twisted and twisted through friction before the cable 150 is wound around the cable drums 140, 140a, 140b is further added. Bogie device for ship work, characterized in that it comprises. 4. The method according to any one of claims 1 to 3,
The body part 110 is a bogie device for ship work, characterized in that it further comprises a driving part 113 for providing a driving force to the wheels (111). 4. The method according to any one of claims 1 to 3,
The frame 120 further includes an auxiliary frame 121 for supporting the cable 150 to be fixed at any position in the vertical direction,
The auxiliary frame 121 is a bogie device for vessel work, characterized in that it has an elevating part 122 for lifting the cable 150 in an upward or downward direction. 3. The method of claim 2,
The cable drum support 160 includes a support frame 161; and
A rotating shaft 162 installed on one side of the support frame 161; including,
The support frame 161 and the rotating shaft 162 are coupled to and supported from one side of one side of the cable drum 140 . 4. The method according to any one of claims 1 to 3,
The cable 150 includes a laser fiber 151 for transmitting the laser beam output from the utility unit 130, an electrical signal line 152 for transmitting power supply and various electrical control signals, and a movable body 300 for work. Bogie device for vessel work, characterized in that it comprises a vacuum line (153) for forming a vacuum pressure so as to be adsorbed on the surface of the vessel (200).

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