Horse-free hoisting method

Abstract

The invention relates to the technical field of ship structural member hoisting, in particular to a horse-free hoisting method which comprises the following steps: step 1, sorting the number of curved rib plates of a whole ship and corresponding gravity center data; 2, according to the carding result, the position and coordinate value, needing to be perforated, of each curved rib plate are sorted out, perforating design is carried out on each curved rib plate in the structural modeling software, then trepanning cutting is carried out, and at least two lifting holes are formed in each curved rib plate; and 3, on-site constructors hang hooks in the at least two lifting holes, and then the curved rib plate is lifted. According to the novel horse-free hoisting method, original single-hole hoisting is changed into multi-hole hoisting, and the problems that in the single-hole hoisting process, due to rib plate rotation or rib plate inclination, safety accidents are possibly caused by object collision, or structural deformation is caused due to the fact that sharp corners firstly touch the ground can be effectively solved.

Description

Technical Field

[0001] The present application relates to the technical field of ship structure hoisting, and in particular to a horseless hoisting method. Background Art

[0002] Horseless lifting means that the traditional "lifting horse" is not used during the lifting process to realize the lifting operation of the structure. At present, in order to meet the turning assembly of the double-layer bottom segmented bilge curved rib plate group, in order to reduce the use of lifting horses, the conventional practice is: passing the center of gravity of the sheet and opening a small hole with a diameter on the edge of the rib plate for hook lifting. However, in actual use on site, due to the deviation of the actual center of gravity position, the single-hole sheet body will rotate or the rib plate will tilt during lifting, which may cause the object to collide and cause a safety accident or cause the sharp corner to touch the ground first, resulting in structural deformation. Summary of the invention

[0003] The purpose of the present application is to provide a horseless lifting method, which to a certain extent solves the problem of the center of gravity line of the sheet body of the curved rib plate in the prior art, and opens a small diameter hole on the edge of the rib plate for hook lifting. Due to the deviation of the actual center of gravity position, the sheet body may rotate or the rib plate may tilt during single-hole lifting, which may cause objects to collide and cause safety accidents or cause the sharp corners to touch the ground first, resulting in structural deformation.

[0004] The present application provides a horseless lifting method, comprising the following steps:

[0005] Step 1: Sort out the number of curved ribs of the whole ship and the corresponding center of gravity data;

[0006] Step 2: According to the results of sorting, the positions and coordinate values ​​of the holes to be opened on each curved rib are sorted out, and the holes are designed for each curved rib in the structural modeling software, and then the material is cut so that at least two hanging holes are opened on each curved rib;

[0007] Step 3: On-site construction personnel hang hooks in at least two of the lifting holes, and then perform lifting operations on the curved rib plate.

[0008] In the above technical solution, further, in step 2, at least two hanging holes are opened in the area close to the curved edge of each of the curved ribs.

[0009] In any of the above technical solutions, further, in step 2, two hanging holes are opened in the area close to the curved edge of each of the curved ribs.

[0010] In any of the above technical solutions, further, in step 1, a first hanging hole is opened on the center of gravity line of the assembly direction of the curved rib plate, and a second hanging hole is opened on the upper side of the first hanging hole.

[0011] In any of the above technical solutions, further, the area near the curved edge of the curved rib is formed with a plurality of frame material through holes arranged in sequence and at equal intervals along the extension direction of the curved edge, and each frame material through hole is formed with a first side wall and a second side wall arranged in sequence along the extension direction of the curved edge, wherein the distance between the roots of the two first side walls of any two adjacent frame material through holes is b, the distance between the center of the second hanging hole and the center of the first hanging hole is a, and a=b.

[0012] In any of the above technical solutions, further, a=b=800 mm.

[0013] In any of the above technical solutions, further, the minimum distance between the center of any of the hanging holes and the hole wall of the adjacent aggregate through-hole is c.

[0014] In any of the above technical solutions, further, c ≥ 300 mm.

[0015] In any of the above technical solutions, further, along the direction of the line between the central apex angle of the curved rib and the center of the hanging hole, the distance between the center of the hanging hole and the curved edge of the curved rib is a preset value m, m=75 mm.

[0016] In any of the above technical solutions, further, the radius of any of the hanging holes is r, and r=25 mm.

[0017] In any of the above technical solutions, further, the curved rib includes a first straight side, a second straight side and a curved side; wherein, one end of the first straight side is vertically connected to one end of the second straight side, and the other end opposite to the first straight side and the other end opposite to the second straight side respectively correspond to and are connected to the two ends of the curved side.

[0018] Compared with the prior art, the beneficial effects of this application are:

[0019] The present application provides a novel horseless lifting method, which changes the original single-hole to multi-hole lifting, which can effectively avoid the rib rotation or rib tilting that occurs during single-hole lifting, which may cause safety accidents caused by object collision or cause sharp corners to touch the ground first, resulting in structural deformation and other problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the assembly process of the curved rib provided in the embodiment of the present application;

[0022] Figure 2 A schematic diagram of the structure of the curved rib provided in the embodiment of the present application;

[0023] Figure 3 for Figure 2 Schematic diagram of the local enlarged structure.

[0024] Reference numerals:

[0025] 1-curved rib, 11-first straight side, 12-second straight side, 13-curved side, 14-hanging hole, 141-first hanging hole, 142-second hanging hole, 15-aggregate through hole, 151-first side wall, 17-center vertex, 2-center of gravity line. DETAILED DESCRIPTION

[0026] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0027] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the present application.

[0028] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0029] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Refer to the following Figures 1 to 3 The present invention describes a horseless lifting method according to some embodiments of the present application.

[0032] See also Figures 1 to 3 As shown, an embodiment of the present application provides a horseless hoisting method, comprising the following steps:

[0033] Step 1: sort out the number of curved ribs 1 of the whole ship and the corresponding center of gravity data;

[0034] Step 2: According to the results of sorting, the positions and coordinate values ​​of the holes to be opened on each curved rib 1 are sorted out, and the holes are designed for each curved rib 1 in the structural modeling software, and then the material is cut so that at least two hanging holes 14 are opened on each curved rib 1;

[0035] Step 3: On-site construction personnel hang hooks in at least two lifting holes 14 and then perform lifting operations on the curved rib plate 1 .

[0036] According to the above description, the present application provides a new type of horseless lifting method, which changes the original single-hole to multi-hole lifting, which can effectively avoid the rotation or tilt of the ribs that occur during single-hole lifting, which may cause safety accidents caused by object collision or cause the sharp corners to touch the ground first, resulting in structural deformation and other problems.

[0037] In this embodiment, preferably, Figure 2 and Figure 3 As shown, in step 2, at least two hanging holes 14 are opened in the area of ​​each curved rib 1 close to its curved edge 13.

[0038] According to the above description, in step 2, at least two hanging holes 14 are opened in the area close to the curved edge 13 of each curved rib 1, which is convenient for hanging hooks and lifting, and is convenient for processing, avoiding affecting other structures of the curved rib 1.

[0039] In this embodiment, preferably, Figure 2 and Figure 3As shown, in step 2, two hanging holes 14 are opened in the area of ​​each curved rib 1 close to its curved edge 13.

[0040] According to the above description, two lifting holes 14 are provided in the area near the curved edge 13 of each curved rib 1, so that the balance and stability during the lifting of the curved rib 1 can be met, and the processing and manufacturing are convenient, thereby reducing the working hours of ship construction.

[0041] It should be noted that the number of the hanging holes 14 is not limited to two, but may be more than two, such as three or four, etc. In addition, the hanging holes 14 are not limited to being set only on the curved edge 13 close to the curved rib 1, but may also be set at other positions, such as setting hanging holes 14 in an area far away from the curved edge 13, etc., and the specific selection is based on actual needs.

[0042] In this embodiment, preferably, Figure 2 and Figure 3 As shown, in step 1, a first hanging hole 141 is opened on the center of gravity line 2 of the curved rib plate 1 in the assembly direction, and a second hanging hole 142 is opened on the upper side of the first hanging hole 141 .

[0043] According to the above description, the low lifting hole 14, that is, the first lifting hole 141, ensures lifting, and the high lifting hole 14, that is, the second lifting hole 142, prevents the sheet from rotating and tilting, which greatly reduces the risk of object collision caused by rotation and tilting of the sheet. At the same time, the high lifting hole 14, that is, the second lifting hole 142, can also ensure that the bottom edge line of the rib plate is level with the ground after lifting, avoiding deformation and damage caused by the protruding part of the structure rubbing against the ground due to tilting after lifting, and effectively solves the disadvantages of single-hole horseless lifting.

[0044] It should be noted that: when the number of the hanging holes 14 is greater than two, two hanging holes 14 among the multiple hanging holes 14 may be located on the same horizontal plane, which is selected according to actual needs.

[0045] In this embodiment, preferably, Figure 3 As shown, a plurality of frame material through holes 15 are formed in an area near the curved edge 13 of the curved rib plate 1 and are arranged in sequence and at equal intervals along the extension direction of the curved edge 13, and each frame material through hole 15 is formed with a first side wall 151 and a second side wall arranged in sequence along the extension direction of the curved edge 13, wherein the distance between the roots of the two first side walls 151 of any two adjacent frame material through holes 15 is b, the distance between the center of the second hanging hole 142 and the center of the first hanging hole 141 is a, and a=b.

[0046] According to the above description, the opening cannot be too close to the edge of the frame material through hole 15, which is prone to deformation. After one hole, i.e. the first hole, is opened, the distance between the other hole, i.e. the second hole, and the previous hole is equal to the distance between the roots of the two first side walls 151 of the two adjacent frame material through holes 15, so as to ensure that the second hole is not too far from the first hole.

[0047] Further, preferably, Figure 3 As shown, a=b=800mm, which meets the current conventional usage requirements. Of course, it is not limited to this. The values ​​of a and b can be less than 800mm or greater than 800mm, depending on actual needs.

[0048] In this embodiment, preferably, Figure 3 As shown, the minimum distance between the center of any hanging hole 14 and the hole wall of the adjacent frame material through hole 15 is c.

[0049] According to the above description, the opening cannot be too close to the edge of the frame through hole 15, which may cause deformation. Therefore, a certain distance must be maintained between the center of any hanging hole 14 and the wall of the adjacent frame through hole 15.

[0050] Furthermore, preferably, c≥300mm, so that the hanging hole 14 is not too close to the frame through hole 15, thereby avoiding deformation. Of course, the value range of c is not limited to 300mm, and can also be designed according to actual needs, for example, c can be set within a range greater than or equal to 250mm.

[0051] In this embodiment, preferably, Figure 3 As shown, along the line direction between the central vertex 17 of the curved rib 1 and the center of the hanging hole 14, the distance between the center of the hanging hole 14 and the curved edge 13 of the curved rib 1 is a preset value m, m=75 mm.

[0052] According to the above description, opening the lifting hole 14 at a distance of 75 mm from the curved edge 13 can not only ensure strength and avoid deformation, but also enable smooth installation of the lifting hook, thereby improving the convenience of operation.

[0053] It should be noted that the value of m is not limited to the above, and may also be less than 75 mm, or greater than 75 mm.

[0054] In this embodiment, preferably, Figure 3 As shown, the radius of any hanging hole 14 is r, and r=25 mm.

[0055] According to the above description, the radius of the lifting hole 14 is selected to be 25 mm, which meets the conventional lifting requirements.

[0056] It should be noted that the radius of the hanging hole 14 is not limited thereto, and can also be designed according to actual needs, for example, greater than 25 mm or less than 25 mm.

[0057] In this embodiment, preferably, Figure 2 As shown, the curved rib 1 includes a first straight side 11, a second straight side 12 and a curved side 13; wherein one end of the first straight side 11 is vertically connected to one end of the second straight side 12, and the other end opposite to the first straight side 11 and the other end opposite to the second straight side 12 correspond to and are connected to the two ends of the curved side 13 one by one.

[0058] Further, preferably, the curved edge 13 in this embodiment is preferably an arc edge.

[0059] According to the above description, when hoisting, with the two aforementioned hoisting holes 14, namely the first hoisting hole 141 and the second hoisting hole 142, the first straight edge 11 is along the horizontal direction, and the second straight edge 12 is along the vertical direction, so that the hoisting process is more stable, and the rib rotation or rib tilting during single-hole hoisting can be effectively avoided, which may cause objects to collide and cause safety accidents or cause the sharp corners to touch the ground first, resulting in structural deformation and other problems.

[0060] It should be noted that this method is not only applicable to the aforementioned curved ribs 1 whose curved edges 13 are arc edges, but also to curved ribs 1 of other shapes, for example, the curved edges 13 may also be non-arc curved structures, etc., and the specific selection is based on actual needs.

[0061] In addition, further, preferably, the length of the first straight side 11 and the length of the second straight side 12 are both in the range of 3000mm-5000mm. Of course, it is not limited to this. The length of the first straight side 11 and the length of the second straight side 12 can also be less than 3000mm, or both greater than 5000mm, etc., depending on actual needs.

[0062] In this embodiment, preferably, the structural modeling software used in step 2 may be tribon software or CAD software or the like.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A horseless hoisting method, characterized in that: The steps include: Step 1: Sort out the number of curved ribs of the whole ship and the corresponding center of gravity data; Step 2: According to the results of sorting, the positions and coordinate values ​​of the holes to be opened on each curved rib are sorted out, and the holes are designed for each curved rib in the structural modeling software, and then the material is cut so that at least two hanging holes are opened on each curved rib; Step 3: On-site construction personnel hang hooks in at least two of the lifting holes, and then perform lifting operations on the curved rib plate.

2. The horseless hoisting method according to claim 1, characterized in that: In step 2, at least two hanging holes are opened in the area of ​​each curved rib close to its curved edge.

3. The horseless hoisting method according to claim 2, characterized in that: In step 2, two hanging holes are opened in the area of ​​each curved rib close to its curved edge.

4. The horseless hoisting method according to claim 3, characterized in that: In step 1, a first hanging hole is opened on the center of gravity line of the curved rib in the assembly direction, and a second hanging hole is opened above and to the side of the first hanging hole.

5. The horseless hoisting method according to claim 4, characterized in that: A plurality of frame material through holes are formed in an area near the curved edge of the curved rib plate and are arranged in sequence and at equal intervals along the extension direction of the curved edge, and each frame material through hole is formed with a first side wall and a second side wall arranged in sequence along the extension direction of the curved edge, wherein the distance between the roots of the two first side walls of any two adjacent frame material through holes is b, the distance between the center of the second hanging hole and the center of the first hanging hole is a, and a=b.

6. The horseless hoisting method according to claim 5, characterized in that: a=b=800mm.

7. The horseless hoisting method according to claim 5, characterized in that: The minimum distance between the center of any of the hanging holes and the hole wall of the adjacent aggregate through-hole is c.

8. The horseless hoisting method according to claim 7, characterized in that: c≥300mm.

9. The horseless hoisting method according to claim 1, characterized in that: Along the line direction between the central vertex of the curved rib and the center of the hanging hole, the distance between the center of the hanging hole and the curved edge of the curved rib is a preset value m, m=75 mm; and / or The radius of any of the hanging holes is r, and r=25 mm.

10. The horseless hoisting method according to any one of claims 1 to 9, characterized in that: The curved rib includes a first straight side, a second straight side and a curved side; wherein one end of the first straight side is vertically connected to one end of the second straight side, and the other end opposite to the first straight side and the other end opposite to the second straight side correspond to and are connected to the two ends of the curved side one by one.

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