Jig for ships

Abstract

A ship jig according to one embodiment of the present invention may include: a first jig; a guide bolt located inside the first jig and extending in an upward and downward direction; a driving nut that covers at least a portion of the guide bolt and moves along the guide bolt; and a pipe connected to the driving nut and moving in an upward and downward direction.

Description

Technology Field

[0001] The present invention relates to a jig for ships. Background Technology

[0003] To manufacture a ship, heavy vessels must be worked on from various angles. In the process of assembling ship blocks, it may be necessary to set up a ship jig before setting the block, depending on the shape of the block's underside. By using the ship jig to create space between the floor and the block, the worker can move and work beneath the block. Additionally, by installing the ship jig, the worker can assemble the hull using various components and parts.

[0004] Previously, the required height of the ship jig was marked on the bottom surface of the ship jig, and the height could be adjusted by setting up a male jig and an extension connector that matched the marked height. However, when setting up a high ship jig, a ladder had to be installed to perform the work, which required additional time or raised concerns about safety accidents occurring when a worker climbed to a high height to perform the work. The problem to be solved

[0006] In order to solve at least some of the above-mentioned problems, the purpose of a ship jig of one embodiment is to provide a structure capable of lifting a second jig without the need to install a separate motor.

[0007] The purpose of a ship jig of one embodiment is to provide a structure that can reduce the time required to set the height of a second jig by using a guide bolt and a drive nut.

[0008] The purpose of a ship jig of one embodiment is to provide a structure that allows a worker to adjust the height of a second jig without needing to use a ladder by utilizing guide bolts and drive nuts.

[0009] The objectives of the present invention are not limited to those mentioned above, and other unmentioned objectives will be clearly understood by those skilled in the art from the description below. means of solving the problem

[0011] A ship jig according to one embodiment of the present invention for achieving the above objective may include: a first jig; a guide bolt located inside the first jig and extending in an upward and downward direction; a driving nut that covers at least a portion of the guide bolt and moves along the guide bolt; and a pipe connected to the driving nut and moving in an upward and downward direction.

[0012] The guide bolt and the drive nut can be screw-coupled.

[0013] The first jig above includes a reduction gear, and the guide bolt, the drive nut, and the reduction gear can be connected by a screw jack.

[0014] The guide bolt is rotated by the reduction gear, and the drive nut can move up and down by the rotation of the guide bolt.

[0015] The first jig further includes a shaft connected to the reduction gear, and the shaft may protrude outward.

[0016] The first jig may include a rotation prevention key protruding toward the interior of the first jig.

[0017] The above drive nut may be provided with a rotation prevention groove that engages with the above rotation prevention key.

[0018] The above ship jig further includes a second jig coupled to one side of the pipe, and the second jig and the pipe can be screw-coupled.

[0019] The above ship jig may further include a height measuring device capable of measuring the distance between the first jig and the second jig.

[0020] The height measuring device described above may include a magnet and be detachably attached to the first jig and the second jig. Effects of the invention

[0022] A ship jig according to one embodiment of the present invention can lift a second jig without the need to install a separate motor.

[0023] A ship jig according to one embodiment of the present invention can reduce the time required to set the height of the second jig by using a guide bolt and a drive nut.

[0024] A ship jig according to one embodiment of the present invention can adjust the height of the second jig without the need for a worker to use a ladder by using a guide bolt and a drive nut.

[0025] The effects of the present invention are not limited to those described above, and other unmentioned effects will be clearly recognized by a person skilled in the art from the description below. Brief explanation of the drawing

[0027] FIG. 1 is a cross-sectional view showing a jig for a ship according to one embodiment of the present invention. FIG. 2 is a cross-sectional view showing a first jig according to one embodiment of the present invention. FIG. 3 is a cross-sectional view showing a guide bolt according to one embodiment of the present invention. FIG. 4 is a cross-sectional view showing a driving nut according to one embodiment of the present invention. FIG. 5 is a cross-sectional view showing a guide bolt, a driving nut, and a pipe according to one embodiment of the present invention. FIG. 6 is a cross-sectional view showing a second jig according to one embodiment of the present invention. FIG. 7 is a cross-sectional view showing a jig for a ship according to one embodiment of the present invention. Specific details for implementing the invention

[0028] 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. 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.

[0029] Terms such as "first," "second," etc., may be used to describe various components, but said components should not be limited by said terms. These terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be named the second component, and similarly, the second component may be named the first component. The term "and / or" includes a combination of a plurality of related described items or any of a plurality of related described items.

[0030] Terms such as "~part," "~section," "~part," etc. may be used to describe various components, but said components should not be limited by said terms. These terms may refer not only to physically or visibly distinguishable components but also to descriptions of the function or configuration of a relevant part, even if the distinction or division is not clearly defined.

[0031] The terms used in this application are used merely to describe specific embodiments and are not intended to limit the invention. The singular expression includes the plural expression unless the context clearly indicates otherwise. In this application, terms such as "comprising" or "having" are intended to specify the presence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0032] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this application.

[0033] In the description below, terms related to direction such as "front," "rear," "side," "front," "back," "up and down," "top," "upper," "top," "bottom," "lower," "bottom," and "left and right" are defined based on marine jigs (JGs).

[0034] Additionally, terms such as "first," "second," etc., may be used to describe various components, but the order, size, location, or importance of these components is not limited by terms such as "first," "second," etc., and they are named solely for the purpose of distinguishing one component from another.

[0035] Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings.

[0036] In the drawing, D1 can be called the first direction, and D2, which intersects the first direction (D1), can be called the second direction. The first direction (D1) can be called the up-and-down direction. The horizontal direction can mean the second direction (D2).

[0038] FIG. 1 is a cross-sectional view showing a ship jig (JG) according to one embodiment of the present invention, FIG. 2 is a cross-sectional view showing a first jig (1) according to one embodiment of the present invention, FIG. 3 is a cross-sectional view showing a guide bolt (3) according to one embodiment of the present invention, FIG. 4 is a cross-sectional view showing a driving nut (5) according to one embodiment of the present invention, FIG. 5 is a cross-sectional view showing a guide bolt (3), a driving nut (5), and a pipe (7) according to one embodiment of the present invention, FIG. 6 is a cross-sectional view showing a second jig (9) according to one embodiment of the present invention, and FIG. 7 is a cross-sectional view showing a ship jig (JG) according to one embodiment of the present invention.

[0039] Referring to FIGS. 1 and FIGS. 7, a ship jig (JG) may be provided. A ship jig (JG) according to one embodiment may include a first jig (1), a guide bolt (3), a driving nut (5), and a pipe (7). A ship jig (JG) according to one embodiment may optionally include a second jig (1) and a height measuring device (2).

[0040] The first jig (1) may be a structure fixed to the ground to lift the ship from a fixed position. The first jig (1) may support various configurations of a ship jig (JG). The first jig (1) may have a structure capable of distributing the weight of the ship to the ground. The first jig (1) may prevent the ship from moving during ship operations, thereby enabling efficient maintenance and manufacturing. The first jig (1) may be a female jig. The first jig (1) may have an empty space inside. The first jig (1) may have a first jig hole (1h) in the center. A pipe (7) and a drive nut (5) may move through the first jig hole (1h).

[0041] Referring to FIG. 2, the first jig (1) can be extended in a first direction (D1). The first direction (D1) can be an up-and-down direction. The first jig hole (1h) can be extended in the first direction (D1). The pipe (7) and the drive nut (5) can move in the first direction (D1).

[0042] A first jig (1) according to one embodiment may include a rotation prevention key (15), a reduction gear (11), and a shaft (13).

[0043] The anti-rotation key (15) can prevent rotation of the drive nut (5). The anti-rotation key (15) can engage with the drive nut (5) to prevent the drive nut (5) from rotating together with the guide bolt (3). The anti-rotation key (15) can protrude from the inner surface of the first jig (1) toward the interior of the first jig (1). The anti-rotation key (15) can be extended in a first direction (D1). The anti-rotation key (15) can be extended along the extension direction of the first jig (1). The length of the anti-rotation key (15) can be smaller than the length of the first jig (1).

[0044] The reduction gear (11) can transmit external power to the guide bolt (3), drive nut (5), and pipe (7). The reduction gear (11) can be connected to the shaft (13). The reduction gear (11) can receive power from the shaft (13). The shaft (13) can protrude outside the first jig (1). The shaft (13) can be connected to an external power device and rotate. The rotational speed of the reduction gear (11) can be smaller than the rotational speed of the shaft (13). The reduction gear (11) can convert a large rotational speed of the shaft (13) to a low rotational speed by having a high reduction ratio.

[0045] The reduction gear (11) can increase rotational force through reduction. The rotational force can be output torque. The reduction gear (11) can use the increased rotational force to move objects with heavy loads or to perform tasks requiring high force. By having a high reduction ratio, the reduction gear (11) can generate output torque higher than the input force.

[0046] A reduction gear (11) according to one embodiment may include a worm reduction gear. The reduction gear (11) may include a worm and a worm wheel. The worm has a helical structure and may be connected to a shaft (13). The worm may rotate by receiving power from the shaft (13). The worm may perform a reduction operation by meshing with a worm wheel. The worm wheel may be a gear wheel that rotates in mesh with the worm. The worm wheel may be made of a material with low frictional resistance. A worm wheel according to one embodiment may include bronze, but the material included in the worm wheel is not limited thereto. The worm and the worm wheel may have a self-locking effect. More specifically, the worm and the worm wheel may rotate only in a certain direction and may not rotate in reverse without external intervention. The shaft (13) rotating with the worm may rotate only in a certain direction and may not automatically reverse. The higher the reduction ratio, the stronger the self-locking effect acts, and safety can be ensured.

[0047] The guide bolt (3) may be located inside the first jig (1). The guide bolt (3) may be located in the first jig hole (1h). Referring to FIG. 3, the guide bolt (3) may extend in a first direction (D1) along the first jig hole (1h). The guide bolt (3) may extend in an up-and-down direction. The guide bolt (3) may have screw threads on its outer surface. The guide bolt (3) may be connected to a reduction gear (11) and rotate. The reduction gear (11) may connect the guide bolt (3) and the shaft (13). The reduction gear (11) may rotate the guide bolt (3). The guide bolt (3) may rotate around the central axis of the first jig hole (1h).

[0048] Referring to FIGS. 4 and 5, the drive nut (5) can be coupled with the guide bolt (3). The drive nut (5) and the guide bolt (3) can be screw-coupled. The inner surface of the drive nut (5) may be provided with threads. The drive nut (5) may cover at least a portion of the guide bolt (3). The drive nut (5) can move along the guide bolt (3). The drive nut (5) can move in a first direction (D1). The drive nut (5) can move in an up-and-down direction by the rotation of the guide bolt (3).

[0049] Including FIG. 4, the drive nut (5) may be provided with a rotation prevention groove (5h). The rotation prevention groove (5h) may be formed by being recessed from the outer surface of the drive nut (5) toward the inner surface of the drive nut (5). The rotation prevention groove (5h) may engage with a rotation prevention key (15). By engaging the rotation prevention groove (5h) with the rotation prevention key (15), the drive nut (5) may be prevented from rotating due to the rotation of the guide bolt (3). Since the drive nut (5) does not rotate due to the rotation prevention groove (5h), the rotational force of the guide bolt (3) is used as kinetic energy for the drive nut (5), thereby increasing the energy efficiency of the ship jig (JG).

[0050] Referring to FIGS. 4, 5, and 7, the drive nut (5), guide bolt (3), and reduction gear (11) can be connected by a screw jack. The guide bolt (3) rotates by the reduction gear (11), and the drive nut (5) can move up and down by the rotation of the guide bolt (3).

[0051] Referring to FIG. 5, the pipe (7) can be extended in a first direction (D1). The pipe (7) can be extended in an up-and-down direction. The pipe (7) can be positioned on a drive nut (5). The pipe (7) can be supported by the drive nut (5). The pipe (7) can be connected to the drive nut (5). The pipe (7) can move in an up-and-down direction by being connected to the drive nut (5). The pipe (7) can move together with the drive nut (5). The pipe (7) can cover at least a portion of the guide bolt (3). By the rotation of the guide bolt (3), the drive nut (5) moves in a first direction (D1), and the pipe (7) connected to the drive nut (5) can also move in a first direction (D1).

[0052] Referring to FIG. 7, the second jig (9) can contact the vessel and support the vessel. The second jig (9) can be connected to the pipe (7). The second jig (9) can be coupled to one side of the pipe (7). Screw threads may be provided on the outer surface of the second jig (9). The second jig (9) can be screw-coupled to the pipe (7). The second jig (9) can move up and down relative to the pipe (7) by rotating. The height of the second jig (9) is adjusted by a reduction gear (11), and the height can be adjusted again by the relative rotation of the second jig (9) and the pipe (7). The second jig (9) according to one embodiment may be a male jig. The second jig (9) according to one embodiment may include a load-bearing pad. The load-bearing pad (91) can contact the vessel, prevent slipping, and absorb shock.

[0053] The height measuring device (2) can measure the distance of the second jig (9) from the ground. The height measuring device (2) can measure the height of the second jig (9). A height measuring device (2) according to one embodiment may include a laser generating device (21) and a reflector (22). The laser generating device (21) and the reflector (22) may include magnets. The laser generating device (21) may be attached to the first jig (1) by a magnet. The reflector (22) may be attached to the second jig (9) by a magnet.

[0054] The laser generating device (21) can irradiate a laser toward the reflector (22). The laser is reflected by the reflector (22) and returns to the laser generating device (21), and the laser generating device (21) can measure the height of the second jig (9) by taking into account the travel time and travel speed of the laser.

[0056] According to the ship jig (JG) according to exemplary embodiments of the present invention, a worker can adjust the height of the second jig (9) without climbing up. The second jig (9) can move up and down together with the pipe (7), and the height of the second jig (9) and the pipe (7) can be adjusted by rotating the shaft (13) located on the first jig (1). When the shaft (13) rotates, the guide bolt (3) rotates to move the drive nut (5) up and down, and the shaft (13) and the second jig (9) connected to the drive nut (5) can move up and down. The worker can adjust the height of the second jig (9) by rotating the shaft (13) from the ground without the need to climb a ladder to a high position to adjust the height of the second jig (9). Accordingly, the safety of the worker can be ensured, and the time required to adjust the height of the second jig (9) can be reduced, thereby increasing economic efficiency.

[0058] Although the invention has been described with reference to the above embodiments, those skilled in the art will understand that various modifications and changes can be made to the invention without departing from the spirit and scope of the invention as described in the following claims. Explanation of the symbols

[0060] JG: Ship jig 1 : Jig 11 : Reducer 13 : Shaft 15 : Anti-rotation key 1h: 1st Jig Hole 2 : Height measuring device 21: Laser generator 22 : Reflector 3: Guide bolt 5: Drive nut 5h: Anti-rotation hole 7 : Pipe 9: 2nd Jig 91: Load-bearing pad

Claims

Claim 1 A ship jig comprising: a first jig; a guide bolt located inside the first jig and extending in an upward and downward direction; a drive nut covering at least a portion of the guide bolt and moving along the guide bolt; and a pipe connected to the drive nut and moving in an upward and downward direction. Claim 2 In claim 1, the guide bolt and the drive nut are screw-coupled to a ship jig Claim 3 In claim 1, the first jig includes a reduction gear, and the guide bolt, the driving nut, and the reduction gear are a marine jig that forms a screw jack connection. Claim 4 In claim 3, the guide bolt rotates by the reduction gear, and the drive nut moves up and down by the rotation of the guide bolt in a ship jig Claim 5 In claim 3, the first jig further includes a shaft connected to the reduction gear, and the shaft is a ship jig protruding outward. Claim 6 In claim 1, the first jig is a ship jig comprising a rotation prevention key protruding toward the interior of the first jig. Claim 7 In claim 6, the driving nut is a ship jig having a rotation prevention groove that engages with the rotation prevention key. Claim 8 In claim 1, the ship jig further comprises a second jig coupled to one side of the pipe, wherein the second jig and the pipe are screw-coupled. Claim 9 In claim 8, a ship jig further comprising a height measuring device capable of measuring the distance between the first jig and the second jig. Claim 10 In claim 9, the height measuring device comprises a magnet and is a ship jig that can be detachably attached to the first jig and the second jig.

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