A method for anti-deformation stacking and hoisting of thin-plate hull structures

Abstract

This invention discloses a method for anti-deformation stacking and hoisting of thin-plate structures for ship hulls. The method specifically includes the following steps: S1, determining the type of thin-plate structure, which includes low-grade thin-plate structures and high-grade thin-plate structures; S2, stacking and hoisting low-grade thin-plate structures by placing bulb flat steel on one side of the low-grade thin plates and stacking them on a low-grade plate rack; S3, stacking and hoisting high-grade thin-plate structures by placing bulb flat steel on one side of the high-grade thin plates and stacking them on a high-grade plate rack; S4, when hoisting the low-grade and high-grade thin-plate structures, the racks are hoisted and transported using lifting lugs on the low-grade and high-grade thin-plate racks, completing the hoisting of different thin-plate structures. This invention avoids deformation of horizontally placed thin plates by setting them to a vertical or inclined position instead of a horizontal one.

Description

Technical Field

[0001] This invention belongs to the field of shipbuilding technology, specifically relating to a method for anti-deformation stacking and hoisting of thin-plate ship hull structures. Background Technology

[0002] Welding is a very common task in shipbuilding, and welders are among the most numerous workers in shipyards. Welding, also known as fusion welding, is a manufacturing process and technology that combines metals or other thermoplastic materials such as plastics by heating, applying high temperature or high pressure. Fusion welding is a very common welding joint method, which involves heating the workpieces to be joined so that they partially melt to form a molten pool. After the molten pool cools and solidifies, the joint is formed. Filler materials can be added if necessary. Fusion welding is suitable for welding various metals and alloys, and it does not require pressure. However, it can produce high temperature and heat deformation, especially for thin steel plates, which are particularly prone to deformation. In addition, after the steel plates are processed and welded, many components and parts need to be stacked for a period of time before spot welding and installation. Due to improper stacking and hoisting on the shipyard site, these thin plate components and parts are easily subject to secondary deformation. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a method for anti-deformation stacking and hoisting of thin plate structures for ship hulls. The method of this invention avoids deformation of the horizontally placed thin plates by setting them to be vertical or inclined.

[0004] To achieve the above-mentioned objectives, the technical solution provided by this invention patent is as follows:

[0005] A method for anti-deformation stacking and hoisting of thin-plate ship hull structures, the method specifically includes the following steps:

[0006] S1. Determine the type of hull thin plate structure and use different stacking methods according to different hull thin plate structures. The types of hull thin plate structures include low-grade thin plate structures and high-grade thin plate structures.

[0007] S2, Low-grade thin plate structure stacking and hoisting: Set bulb flat steel on one side of the low-grade thin plate. After the bulb flat steel is set, place the low-grade thin plate on the low-grade plate rack for stacking. The low-grade thin plate is placed vertically.

[0008] S3, stacking and hoisting of high-grade thin plate structure: set bulb flat steel on one side of the high-grade thin plate; after the bulb flat steel is set, place the high-grade thin plate on the high-grade plate rack for stacking; the high-grade thin plate is placed at an angle on the high-grade plate rack.

[0009] S4, when hoisting low-grade thin plate structures and high-grade thin plate structures, the lifting lugs on the low-grade plate rack and the high-grade plate rack are used to hoist and transport the plate racks, thus completing the hoisting of different thin plate structures.

[0010] Furthermore, when the height of the thin plate is not higher than 1500mm, the thin plate type is a low-grade thin plate structure; when the height of the thin plate is between 1500-3000mm, the thin plate type is a high-grade thin plate structure.

[0011] Furthermore, the low-grade plate rack includes a base and isolation baffles. Multiple isolation baffles are provided on the base. The base is a rectangular frame structure. Channel steel is provided inside the frame structure. The midpoints of each side of the frame structure are connected and fixed in sequence by the channel steel. Cross-shaped channel steel is also provided inside the frame structure for connection and fixation.

[0012] Furthermore, the isolation baffle is generally square, and the isolation baffle is symmetrically arranged on the front and rear frames of the base. The left and right frames of the base are provided with lifting lugs. The spacing between adjacent isolation baffles on the base is 20-30mm. The height of the isolation baffle is 400-500mm. The width of the isolation baffle is 70mm. The isolation baffle is vertically connected and fixed to the base.

[0013] Furthermore, the low-grade thin plate is installed between the spacing of the isolation baffles, and two parallel bulb flat steels are provided on one side of the low-grade thin plate. When the low-grade thin plate is installed on the low-grade plate rack, the bulb flat steels on the low-grade thin plate are above the isolation baffles.

[0014] Furthermore, the high-grade sheet metal rack includes a high-grade base, a support frame, and a limiting plate. The high-grade base is provided with the support frame and the limiting plate, which are arranged alternately. The high-grade base is a square frame in general. The square frame is provided with horizontal and vertical fixing channel steel. The limiting plates are symmetrically provided on the front and rear frames of the high-grade base. The support frame provided on the high-grade base is parallel to the left and right frames of the high-grade base. The bottom of the support frame is vertically and fixedly connected to the front and rear frames and the horizontal fixing channel steel of the high-grade base, respectively.

[0015] Furthermore, the limiting plate is square in shape, with a height of 400-500mm and a width of 70mm. The support frames are arranged on the high-grade base at 400mm intervals, and the distance between the support frame and the adjacent limiting plate is 300mm. A high-grade thin plate is placed between the adjacent support frames and the limiting plates.

[0016] Furthermore, three parallel ball flat steel bars are installed on one side of the high-grade thin plate, the lower end of the high-grade thin plate abuts against the lower end of the limiting plate, the upper end of the high-grade thin plate is placed on the upper end of the support frame, the high-grade thin plate is placed at an angle, and when the high-grade thin plate is placed between the support frame and the limiting plate, the ball flat steel bars on the high-grade thin plate are all positioned above the limiting plate.

[0017] Based on the above technical solution, the present invention patent's method for anti-deformation stacking and hoisting of thin-plate ship hull structures has achieved the following technical advantages through practical application:

[0018] 1. The present invention provides a method for anti-deformation stacking and hoisting of thin plate structures for ship hulls. By using low-grade and high-grade plate racks for placing thin plates, it is possible to stack thin plate components very conveniently, avoiding secondary deformation caused by the self-weight of the thin plate components during long-term stacking and secondary deformation caused by improper placement during transportation and hoisting.

[0019] 2. The present invention provides a method for anti-deformation stacking and hoisting of thin plate structures for ship hulls, which avoids deformation of horizontally placed thin plates by setting them to be vertical or inclined. Attached Figure Description

[0020] Figure 1 This is a diagram of the low-grade thin plate placement structure in the anti-deformation stacking and hoisting method of thin plate structure for ship hull according to the present invention.

[0021] Figure 2 This is a top view of the low-grade thin plate material rack in the anti-deformation stacking and hoisting method of thin plate structure for ship hull according to the present invention.

[0022] Figure 3 This is a diagram of the high-grade thin plate placement structure in the anti-deformation stacking and hoisting method of thin plate structure for ship hull of the present invention.

[0023] Figure 4 This is a top view of the high-grade plate rack in the anti-deformation stacking and hoisting method of thin plate structure for ship hull according to the present invention.

[0024] Figure 5 This is a side view of a high-grade plate rack in a method for anti-deformation stacking and hoisting of thin-plate structures for ship hulls according to the present invention.

[0025] Figure 6 This is a diagram showing the arrangement of low-grade thin plate bulb flat steel in a method for anti-deformation stacking and hoisting thin plate structure of a ship hull according to the present invention.

[0026] Figure 7 This is a diagram showing the arrangement of high-grade thin plate spherical flat steel in a method for anti-deformation stacking and hoisting thin plate structures for ship hulls according to the present invention. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the following description is provided with reference to the accompanying drawings.

[0028] The invention is described using specific examples shown. However, it should be understood that these descriptions are merely exemplary.

[0029] This description is intended not to limit the scope of the invention. Furthermore, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the invention.

[0030] like Figure 1-7 The present invention pertains to a method for anti-deformation stacking and hoisting of thin-plate ship hull structures, and the method specifically includes the following steps:

[0031] S1. Determine the type of hull thin plate structure and stack it in different ways according to different hull thin plate structures. The types of hull thin plate structures include low-grade thin plate 1 structure and high-grade thin plate 5 structure.

[0032] S2, Low-grade thin plate 1 structure stacking and hoisting, set bulb flat steel 11 on one side of low-grade thin plate 1, after the bulb flat steel 11 is set, place low-grade thin plate 1 on low-grade plate rack for stacking, low-grade thin plate 1 is placed vertically.

[0033] S3, stacking and hoisting of high-grade thin plate 5 structure, setting bulb flat steel 11 on one side of high-grade thin plate 5, after setting bulb flat steel 11, placing high-grade thin plate 5 on high-grade plate rack for stacking, high-grade thin plate 5 is placed at an angle on high-grade plate rack.

[0034] S4, when the low-grade thin plate 1 structure and the high-grade thin plate 5 structure are hoisted, the plate rack is hoisted and transported by the lifting lugs 4 on the low-grade plate rack and the lifting lugs 4 on the high-grade plate rack, thus completing the hoisting of different thin plate structures.

[0035] When the height of the thin plate is not higher than 1500mm, the thin plate type is low-grade thin plate 1 structure; when the height of the thin plate is between 1500-3000mm, the thin plate type is high-grade thin plate 5 structure.

[0036] The low-grade plate rack includes a base 21 and isolation baffles 22. Multiple isolation baffles 22 are provided on the base 21. The base 21 is a rectangular frame structure. Channel steel 3 is provided inside the frame structure. The midpoints of each side of the frame structure are connected and fixed in sequence through channel steel 3. Cross-shaped channel steel 3 is also provided inside the frame structure for connection and fixation.

[0037] The isolation baffle 22 is generally square and is symmetrically arranged on the front and rear frames of the base 21. The left and right frames of the base 21 are provided with lifting lugs 4. The spacing between adjacent isolation baffles 22 on the base 21 is 20-30mm. The height of the isolation baffle 22 is 400-500mm and the width of the isolation baffle 22 is 70mm. The isolation baffle 22 is vertically connected and fixed to the base 21.

[0038] The low-grade thin plate 1 is installed between the spacing of the isolation baffles 22. Two parallel bulb flat steels 11 are provided on one side of the low-grade thin plate 1. When the low-grade thin plate 1 is installed on the low-grade plate rack, the bulb flat steels 11 on the low-grade thin plate 1 are above the isolation baffles 22.

[0039] The high-grade sheet metal rack includes a high-grade base 61, a support frame 62, and a limiting plate 63. The support frame 62 and the limiting plate 63 are arranged alternately on the high-grade base 61. The high-grade base 61 is a square frame in general. The square frame is provided with horizontal and vertical fixing channel steels 3. The limiting plates 63 are symmetrically arranged on the front and rear frames of the high-grade base 61. The support frame 62 on the high-grade base 61 is parallel to the left and right frames of the high-grade base 61. The bottom of the support frame 62 is perpendicularly fixed to the front and rear frames of the high-grade base 61 and the horizontal fixing channel steel 3, respectively. The left and right frames of the high-grade base 61 are provided with lifting lugs 4.

[0040] The limiting plate 63 is generally square, with a height of 400-500mm and a width of 70mm. The support frame 62 is arranged on the high-grade base 61 at 400mm intervals. The distance between the support frame 62 and the adjacent limiting plate 63 is 300mm. A high-grade thin plate 5 is placed between the adjacent support frame 62 and the limiting plate 63.

[0041] Three parallel ball flat steel bars 11 are installed on one side of the high-grade thin plate 5. The lower end of the high-grade thin plate 5 abuts against the lower end of the limiting plate 63. The upper end of the high-grade thin plate 5 is placed on the upper end of the support frame 62. The high-grade thin plate 5 is placed at an angle. When the high-grade thin plate 5 is placed between the support frame 62 and the limiting plate 63, the ball flat steel bars 11 on the high-grade thin plate 5 are all set above the limiting plate 63.

[0042] By using low-grade and high-grade sheet metal racks for placing thin sheet metal, it is very convenient to stack thin sheet metal components, avoiding secondary deformation caused by the self-weight of the thin sheet metal components during long-term stacking and secondary deformation caused by improper placement during transportation and hoisting.

[0043] High-end thin-plate components, besides being prone to deformation due to their thinner body thickness, also tend to have openings (such as doors and windows) due to their greater height, resulting in poorer rigidity in the width direction. This makes them more susceptible to deformation during stacking, transportation, and hoisting. Figure 7 As shown, when setting horizontal spherical flat steel 11 for reinforcement, the opening is avoided, and vertical spherical flat steel 11 is also used for reinforcement to prevent the thin plate from deforming.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of the invention or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solutions of the present invention, and all such modifications and substitutions should be covered within the scope of the technical solutions claimed in the present invention.

Claims

1. A method for anti-deformation stacking and hoisting of thin-plate ship hull structures, characterized in that, The method specifically includes the following steps: S1. Determine the type of hull thin plate structure and use different stacking methods according to different hull thin plate structures. The types of hull thin plate structures include low-grade thin plate structures and high-grade thin plate structures. When the height of the thin plate is not higher than 1500mm, the thin plate type is a low-grade thin plate structure; when the height of the thin plate is between 1500-3000mm, the thin plate type is a high-grade thin plate structure. S2, Low-grade thin plate structure stacking and hoisting: Set bulb flat steel on one side of the low-grade thin plate. After the bulb flat steel is set, place the low-grade thin plate on the low-grade plate rack for stacking. The low-grade thin plate is placed vertically. The low-grade plate rack includes a base and isolation baffles, and multiple isolation baffles are provided on the base; the low-grade thin plate is installed between the spacing of the isolation baffles; when the low-grade thin plate is installed on the low-grade plate rack, the bulb flat steel on the low-grade thin plate is above the isolation baffles. S3, stacking and hoisting of high-grade thin plate structure: set bulb flat steel on one side of the high-grade thin plate; after the bulb flat steel is set, place the high-grade thin plate on the high-grade plate rack for stacking; the high-grade thin plate is placed at an angle on the high-grade plate rack. The high-grade sheet metal rack includes a high-grade base, a support frame, and a limiting plate. The support frame and the limiting plate are arranged alternately on the high-grade base. High-grade thin plates are placed between adjacent support frames and limiting plates; When the high-grade thin plate is placed between the support frame and the limiting plate, the ball flat steel on the high-grade thin plate is all positioned above the limiting plate. S4, when hoisting low-grade thin plate structures and high-grade thin plate structures, the lifting lugs on the low-grade plate rack and the high-grade plate rack are used to hoist and transport the plate racks, thus completing the hoisting of different thin plate structures.

2. The method for anti-deformation stacking and hoisting of thin-plate hull structures according to claim 1, characterized in that, The base of the low-grade plate rack is a rectangular frame structure. Channel steel is installed inside the frame structure. The midpoints of each side of the frame structure are connected and fixed in sequence through the channel steel. Cross-shaped channel steel is also fixedly connected inside the frame structure.

3. The method for anti-deformation stacking and hoisting of thin-plate ship hull structures according to claim 2, characterized in that, The isolation baffle is square in shape and is symmetrically arranged on the front and rear frames of the base. Lifting lugs are provided on the left and right frames of the base. The spacing between adjacent isolation baffles on the base is 20-30mm. The height of the isolation baffle is 400-500mm and the width of the isolation baffle is 70mm. The isolation baffle is vertically connected and fixed to the base.

4. The method for anti-deformation stacking and hoisting of thin-plate hull structures according to claim 3, characterized in that, Two parallel bulb flats are provided on one side of the low-grade thin plate.

5. The method for anti-deformation stacking and hoisting of thin-plate hull structures according to claim 1, characterized in that, The high-end base is a square frame, with horizontal and vertical fixing channel steels installed inside the square frame. Limiting plates are symmetrically installed on the front and rear frames of the high-end base. The support frame installed on the high-end base is parallel to the left and right frames of the high-end base. The bottom of the support frame is vertically and fixedly connected to the front and rear frames of the high-end base and the horizontal fixing channel steel, respectively.

6. The method for anti-deformation stacking and hoisting of thin-plate hull structures according to claim 5, characterized in that, The limiting plate is square in shape, with a height of 400-500mm and a width of 70mm. The support frame is arranged on the high-end base at 400mm intervals, and the distance between the support frame and the adjacent limiting plate is 300mm.

7. The method for anti-deformation stacking and hoisting of thin-plate hull structures according to claim 6, characterized in that, Three parallel ball flat steel bars are installed on one side of the high-grade thin plate, the lower end of the high-grade thin plate abuts against the lower end of the limiting plate, the upper end of the high-grade thin plate is placed on the upper end of the support frame, and the high-grade thin plate is placed at an angle.

Images