Rack structure for piling up block

Abstract

A rack structure for stacking blocks is disclosed. The rack structure comprises: a stacking plate on which blocks for shipbuilding are placed; a pair of guide rails fixedly positioned parallel to each other in the longitudinal direction of the stacking plate at corresponding edge areas on the upper surface of the stacking plate; and a pair of side walls uprightly positioned in a shape perpendicular to the extension direction of the pair of guide rails to form a shape covering both sides of the stacking plate.

Description

Technology Field

[0001] The present invention relates to a rack structure for stacking blocks. Background Technology

[0002] Generally, large shipyards apply the hull block construction method to efficiently utilize limited resources when building ships. This refers to a construction method in which the hull is divided into multiple blocks and assembled in a dock or slipway to complete the vessel.

[0003] As illustrated in Fig. 1, for the construction of a ship, steel plates, which are raw materials, are cut, processed, and assembled (i.e., small assembly, medium assembly, and large assembly) to produce blocks, and the blocks are assembled in a dock or slipway through an assembly process.

[0004] At the shipyard production site, logistics flows occur between unit production processes where blocks and other materials are moved or held in awaiting using heavy transport equipment (i.e., transporters).

[0005] In other words, when necessary, the relevant blocks, etc., are stored in a storage area located near the dock and remain there until the subsequent process begins. Here, the storage area near the dock is also utilized as a space to complete preliminary outfitting before each block is finally loaded.

[0006] However, generally, in storage areas provided around docks, each block is stacked in a single layer, and there is a limitation in that multiple blocks cannot be stacked simultaneously due to the constraints on the storage area.

[0007] Furthermore, due to constraints on storage area, the number of blocks that can be stored is limited, leading to a shortage of space to complete pre-outfitting for the blocks prior to the assembly process. This results in insufficient pre-outfitting rates for the blocks to be installed, causing delays in the ship's launch schedule. Prior art literature

[0008] Korean Registered Patent No. 10-1498212, Korean Published Utility Model No. 20-2015-0001037 The problem to be solved

[0009] The present invention is intended to provide a block stacking rack structure that allows blocks to be stacked in multiple layers, thereby enabling a relatively large number of blocks to be stacked simultaneously in a limited storage area.

[0010] The present invention is to provide a block stacking rack structure that can increase the rate of pre-outfitting by providing individual spaces for pre-outfitting work for each of the blocks stacked in multiple layers, thereby enabling the early completion of ship construction.

[0011] Other objectives of the present invention will be easily understood through the following description. means of solving the problem

[0012] According to one aspect of the present invention, a block stacking rack structure is provided, comprising: a stacking plate on which a block for shipbuilding is placed; a pair of guide rails fixedly positioned so as to be parallel to each other in the longitudinal direction of the stacking plate at corresponding edge areas on the upper surface of the stacking plate; and a pair of side walls uprightly positioned in a shape perpendicular to the extension direction of the pair of guide rails to form a shape covering both sides of the stacking plate.

[0013] One or more wheels may be interposed between the side wall and the corresponding guide rail so that the side wall moves along the forming path of the corresponding guide rail.

[0014] The inner space where the above block is placed and preliminary work is to be performed is defined by the above stacking plate and the above pair of side walls, and the inner surface of the above pair of side walls defining the inner space can be used as a space for fixing temporary structures.

[0015] The above rack structure may further include a drive motor unit that rotates the wheel; a battery unit that provides driving power to the drive motor unit; and a control unit that controls the operation of the drive motor unit.

[0016] The above rack structure is arranged in multiple layers, and the stacking plate of the rack structure arranged in the upper layer can be supported from below by a pair of side walls provided in the rack structure arranged in the lower layer and a support member placed on the upper surface of a block seated on the stacking plate of the lower layer.

[0017] Other aspects, features, and advantages other than those described above will become clear from the following drawings, claims, and detailed description of the invention. Effects of the invention

[0018] According to an embodiment of the present invention, blocks can be stacked in multiple layers, thereby having the effect of allowing a relatively large number of blocks to be stacked simultaneously in a storage area with a limited surface area.

[0019] In addition, by providing individual spaces for pre-outfitting work for each of the multi-layered stacked blocks, the pre-outfitting rate can be increased, which also has the effect of enabling the early completion of ship construction. Brief explanation of the drawing

[0020] FIG. 1 is a drawing illustrating the manufacturing process of a general ship. FIG. 2 is a drawing showing the structure of a rack structure for stacking blocks according to one embodiment of the present invention. FIG. 3 is a drawing illustrating a multi-layer assembly form of a rack structure for stacking blocks according to one embodiment of the present invention. Specific details for implementing the invention

[0021] The present invention is capable of various modifications and may have various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the invention to specific embodiments, and it should be understood that the invention includes all modifications, equivalents, and substitutions that fall within the spirit and scope of the invention.

[0022] Furthermore, in the description referring to the attached drawings, identical components are assigned the same or related reference numerals regardless of drawing symbols, and redundant descriptions thereof are omitted. The attached drawings are depicted with some exaggeration for the convenience of explanation and understanding, and it is obvious that the present invention is not limited to the size of each component depicted in the attached drawings.

[0023] FIG. 2 is a drawing showing the structure of a rack structure for stacking blocks according to one embodiment of the present invention, and FIG. 3 is a drawing illustrating a multi-layer assembly form of a rack structure for stacking blocks according to one embodiment of the present invention.

[0024] Referring to FIG. 2, a rack structure (200) for stacking blocks may include a stacking plate (210), a guide rail (220), a side wall (230), and a support member (240).

[0025] The stacking plate (210) can be formed in the shape of a rectangular prism, for example, and blocks transported by a transporter (not shown), etc., can be stacked on the upper surface.

[0026] A pair of guide rails (220) may be fixedly positioned parallel to each other in the longitudinal direction on corresponding edge areas on the upper surface of the stacking plate (210).

[0027] A pair of side walls (230) are installed on the upper part of the stacking plate (210) in a manner that covers the directions of both ends of the stacking plate (210), so that the vertical cross-sectional shape of the rack structure (200) forms a U-shape.

[0028] At this time, a pair of side walls (230) are positioned to stand upright on the upper part of a pair of guide rails (220), and the side walls (230) are positioned in a shape perpendicular to the extension direction of the guide rails (220).

[0029] As illustrated in FIG. 2, if the left and right spatial directions of the upper area of ​​the stacking plate (210) are covered by a pair of side walls (230), a block can be entered through the open front, rear, or top surface of the upper area of ​​the stacking plate (210) and stacked on the upper part of the stacking plate (210).

[0030] After a block is stacked on top of the stacking plate (210), one or more wheels (250) may be placed between the side wall (230) and the guide rail (220) so that the side wall (230) can move along the path formed by the guide rail (220).

[0031] That is, by moving the side wall (230), the size of the inner space defined by the position of the stacking plate (210) and the pair of side walls (230) can be adjusted. Here, the inner space is the upper area of ​​the stacking plate (210) and may be a space for stacking blocks and also for pre-assembly work.

[0032] The movement of the side wall (230) using the provided wheel (250) may be achieved by manual operation of a worker, but may also be achieved by the rotation of the wheel (250) driven by a motor.

[0033] To this end, the rack structure (200) may further include a drive motor unit for rotating the wheel (250), a battery unit that provides power for driving the drive motor unit, and a control unit that controls the operation of the drive motor unit according to the operator's operation command.

[0034] If the size of the block to be stacked in the upper area of ​​the stacking plate (210) is larger than the length of the stacking plate (210), the side wall (230) may be separated from the guide rail (220) for stacking the block.

[0035] A support member (240) for stably maintaining the upright state of the side wall (230) can be fixedly mounted on the outer surface of the side wall (230).

[0036] In FIG. 2, the support member (240) is illustrated as having a triangular cross-section, but it is obvious that the cross-sectional shape of the support member (240) is not limited to this.

[0037] Additionally, while FIG. 2 illustrates a case where the support member (240) is fixedly mounted only on the outer surface of the side wall (230), it is obvious that the support member (240) can also be fixedly mounted on the inner surface of the side wall (230).

[0038] Referring to FIG. 3, which illustrates a multi-layer assembly form of a rack structure for stacking blocks, when the rack structure (200) is transported and placed in a storage area formed in a space such as around a dock, the blocks transported by the transporter are transported in a direction not blocked by the side wall (230) and are placed on the upper part of the stacking plate (210).

[0039] The rack structure (200) may be transported and placed in a storage area in a state where, for example, the vertical cross-sectional shape forms a U-shape, but it may also be assembled and placed by placing a storage plate (210) in the storage area and then attaching a side wall (230) to a guide rail (220) fixed to the upper surface of the storage plate (210).

[0040] In order to allow the rack structure (200) to be easily moved and positioned by towing of heavy equipment, the lower part of the stacking plate (210) may be formed with a structure that can be equipped with and released multiple wheels.

[0041] The block transported by the transporter can be placed on the upper part of the stacking plate (210) in a form supported by the first support member (310). The first support member (310) can perform the function of supporting the block from below, as well as the function of securing a minimum space in the height direction for the transporter to move up and down to transport the block.

[0042] When a block is placed in the upper space of the stacking plate (210), the side wall (230) can be moved along the path formed by the guide rail (220) to adjust the size of the inner space to correspond to the size of the placed block.

[0043] By utilizing the inner surface of the side wall (230), temporary structures (320), such as scaffolding or platforms for mounting equipment, can be temporarily fixedly installed.

[0044] That is, in order to improve work convenience by installing a temporary structure (320) or similar methods when performing preliminary work on a settled block, the side wall (230) can be moved to approach the block settled on the stacking plate (210).

[0045] In addition, as illustrated in FIG. 3, a rack structure (200) corresponding to the second layer may be stacked and positioned on top of a rack structure (200) arranged in the first layer.

[0046] At this time, another block may be placed on the rack structure (200) corresponding to the second floor, and the stacking plate (210) of the rack structure (200) corresponding to the second floor may be supported from below by the side wall (230), etc. of the rack structure (200) placed on the first floor.

[0047] When placing a block on a rack structure (200) at a position of the second floor or higher, or placing the placed block on a transporter, a land crane may be used.

[0048] In addition, if there is a possibility that a structural strength issue may arise due to the blocks stacked on the second floor, a second support member (330) may be additionally placed at various locations, such as the upper surface of the blocks placed on the first floor, to support the stacking plate (210) of the second floor from below, so that the load can be effectively distributed.

[0049] Cases where there is a possibility of structural strength issues arising may include, for example, when the weight of a block to be placed on a stacking plate (210) of a rack structure (200) on the second floor is not sufficiently supported by the side wall (230) of a rack structure (200) on the lower floor, or when there is a concern that the central part of the stacking plate (210) placed on the second floor may become structurally weak.

[0050] In this way, the rack structure (200) according to the present embodiment can be stacked and arranged in a multi-layer structure of two or more layers, and by allowing blocks to be stacked on each layer, a relatively large number of blocks can be stacked in a storage space with a limited area, thereby enabling individual preliminary work to be carried out.

[0051] In addition, this has the characteristic that even if the preliminary outfitting work for any block takes a long time, problems such as logistics bottlenecks or delays in the ship construction schedule do not occur.

[0052] Although the present invention has been described above with reference to embodiments thereof, those skilled in the art will understand that various modifications and changes can be made to the present invention without departing from the spirit and scope of the invention as described in the following claims. Explanation of the symbols

[0053] 200 : Rack structure 210 : Storage plate 220 : Guide rail 230 : Side wall 240 : Support part 250 : Wheel 310: First support member 320: Temporary structure 330 : Second support member

Claims

Claim 1 A rack structure for stacking blocks comprises: a stacking plate on which blocks for shipbuilding are placed; a pair of guide rails fixedly arranged parallel to each other in the longitudinal direction of the stacking plate at corresponding edge areas on the upper surface of the stacking plate; and a pair of side walls vertically arranged in a shape perpendicular to the extension direction of the pair of guide rails to form a shape covering both sides of the stacking plate, wherein the rack structure is arranged in multiple layers, and the stacking plate of the rack structure arranged in the upper layer is supported from below by a pair of side walls provided in the rack structure arranged in the lower layer and a support member arranged on the upper surface of the block placed on the stacking plate of the lower layer. Claim 2 A block stacking rack structure according to claim 1, wherein one or more wheels are interposed between the side wall and the corresponding guide rail so that the side wall moves along the forming path of the corresponding guide rail. Claim 3 A block stacking rack structure according to paragraph 2, wherein the inner space on which the block is seated and pre-fitting work is to be performed is defined by the stacking plate and the pair of side walls, and the inner surface of the pair of side walls defining the inner space is used as a space for fixing a temporary structure. Claim 4 A block stacking rack structure according to paragraph 2, further comprising: a drive motor unit for rotating the wheel; a battery unit for providing a driving power source for the drive motor unit; and a control unit for controlling the operation of the drive motor unit. Claim 5 delete

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