CN113953768A - Method for assembling BOP hanging beam of drill floor - Google Patents
Method for assembling BOP hanging beam of drill floor Download PDFInfo
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- CN113953768A CN113953768A CN202111328549.XA CN202111328549A CN113953768A CN 113953768 A CN113953768 A CN 113953768A CN 202111328549 A CN202111328549 A CN 202111328549A CN 113953768 A CN113953768 A CN 113953768A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000003466 welding Methods 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000013072 incoming material Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The application relates to the technical field of ships, in particular to a drill floor BOP hanging beam assembling method, which comprises the following steps: modeling, feeding and assembling, wherein the modeling comprises the following steps: when the structure is modeled, respectively increasing shrinkage of preset sizes in the length direction of the first panel, the second panel, the first web and the second web; feeding: when the material is fed, checking the straightness of the first panel, the second panel, the first web and the second web and correcting; in the assembling process, a double number of welders are adopted for bilateral symmetry welding, and in the assembling process and after the assembling is completed, the straightness, the flatness, the verticality and the like are detected, the out-of-tolerance is found, and the correction is performed in time. Therefore, the method eliminates the generation of errors in the aspects of design, feeding, assembly and the like, further ensures the precision requirements of the hanging beam such as size, straightness, levelness and the like, and avoids rework operation caused by insufficient precision, thereby saving a large amount of labor hour and energy consumption and improving the operation efficiency.
Description
Technical Field
The application relates to the technical field of ships, in particular to a method for assembling a BOP hanging beam of a drill floor.
Background
Currently, a blowout preventer crane (BOP crane) is mainly used to lift a blowout preventer and process a casing in cooperation with a casing gripper, and a blowout preventer boom is a track for the traveling of the BOP crane. The integral precision requirement of the hanging beam of the blowout preventer is high, and the method specifically comprises the following steps:
(1) the levelness of the bottom panel of the unilateral track is within +/-2 mm;
(2) the straightness of the single-side track is +/-1 mm per 2000 mm;
(3) the height deviation requirement between the two tracks is as follows: plus or minus 3 mm;
(4) the width deviation requirement between two tracks is as follows: plus or minus 2 mm;
therefore, the requirement on the overall precision of the hanging beam is high, but the precision control and the construction difficulty are high in the actual production at present.
Disclosure of Invention
The application aims to provide a drilling platform BOP hanging beam assembling method, which solves the technical problems that the precision control and the construction difficulty of a blowout preventer hanging beam in the prior art are high in actual production to a certain extent.
The application provides a rig BOP hanging beam assembling method, which is used for assembling a hanging beam, wherein the hanging beam after being assembled comprises a first panel, a second panel, a first web, a second web and a toggle plate, the first panel, the second panel, the first web and the second web all extend in the same direction, the first panel and the second panel are arranged along a first direction at intervals, the first web and the second web are arranged in an installation space formed between the first panel and the second panel at intervals, the first web and the second web are respectively perpendicular to the first panel and the second panel, the toggle plate is arranged between the first web and the second web and is perpendicular to the first panel and the second panel, and the rig BOP hanging beam assembling method comprises the following steps:
modeling: when the structure is modeled, respectively adding shrinkage of preset sizes to the first panel, the second panel, the first web and the second web in the length direction;
feeding: when the material is fed, checking the straightness of the first panel, the second panel, the first web and the second web and correcting;
assembling: fixedly placing the first panel and the first web plate according to a preset assembling position, and then gradually welding the first panel with the left side part and the right side part of the first web plate and the end part of the first web plate from the central position along the length direction of the first web plate;
positioning the toggle plate according to a preset assembly position, and then welding the toggle plate with the first panel and the first web plate respectively;
positioning the second web plate according to a preset assembly position, gradually welding the second web plate with the first panel from the center position to the end part on the left side part and the right side part of the second web plate along the length direction of the second web plate, and after welding is finished, checking the straightness of the first panel, the first web plate and the second web plate and the perpendicularity of the first web plate and the second web plate again, and correcting if the out-of-tolerance exists;
the assembled structure of the first panel, the first web, the second web and the toggle plate is inverted, and after the assembled structure is positioned with the second panel at the bottom, the assembled structure is gradually welded with the second panel from the central position to the end part on the outer side of the first web and the second web along the length direction of the first web and the second web;
and after welding is finished, checking the size, the straightness and the levelness of the hanging beam, and correcting the out-of-tolerance part.
In the above technical solution, further, in the step of fixedly placing the first panel and the first web according to a preset assembly position, two symmetrically arranged embedded component groups are used to position the first panel, wherein any one of the embedded component groups includes a plurality of L-shaped embedded components, the plurality of embedded components are sequentially arranged at equal intervals, and two opposite side portions of the first panel are respectively clamped in corresponding clamping grooves of the plurality of embedded components;
after the first panel, the first web, the second web and the toggle plate are welded, the embedded members clamped at the two sides of the first panel are removed, and then the second panel is positioned by utilizing the embedded members.
In any of the above technical solutions, further, in the step of fixedly placing the first panel and the first web according to a preset assembly position, the first web is placed on the first panel and abuts against one end of the embedded member, and a supporting member is disposed at one side of the first web.
In any of the above technical solutions, further, the support member is a square block, or the support member is a support rod.
In any of the above technical solutions, further, in the step of positioning the second web according to a preset assembly position, the second web is placed in an installation space formed by the toggle plate and the embedded member, so as to position the second web.
In any of the above technical solutions, further, in the installation process of the toggle plate, the verticality of the toggle plate is always ensured; and/or
After the welding of the second web to the first panel is completed, and before inspection, welding the toggle plate to the second web; and/or
The number of the toggle plates is plural, two of the toggle plates are respectively arranged at two opposite end parts of the first panel, and the rest of the toggle plates are arranged between the two toggle plates at two opposite end parts of the first panel at equal intervals.
In any of the above technical solutions, further, the first web and the second web are respectively welded to the first panel in multiple layers and multiple passes, and the welding current is less than or equal to 250A.
In any of the above technical solutions, further, the first web and the second web are respectively welded to the second panel in multiple layers and multiple passes, and the welding current is less than or equal to 250A.
In any of the above technical solutions, further, the correction mode is a fire correction.
In any of the above technical solutions, further, the shrinkage of the preset dimension includes a shrinkage for compensating for a linearity and a levelness of a fire work, and a discrete extension of 1mm per 600mm that is set to correspond to a welding deformation.
Compared with the prior art, the beneficial effect of this application is:
in the assembling method of the BOP hanging beam of the drill floor, in the initial design stage, the shrinkage of the hanging beam during assembling and welding and the shrinkage of the hanging beam during correcting the straightness and the levelness by using a firer are considered, so that the shrinkage of the first panel and the second panel in the length direction is increased by 30mm, namely increased by 30mm, the shrinkage is compensated, and the whole size of the hanging beam is ensured to meet the requirements (the width of the common hanging beam is smaller, the shrinkage in the width direction is smaller and can be ignored, and the shrinkage in the length direction is mainly considered).
In addition, in the incoming material stage, namely after the first panel, the second panel, the first web plate, the second web plate and the toggle plate are transported to the incoming site, the straightness of the first panel, the second panel, the first web plate and the second web plate is checked, and the out-of-tolerance is corrected to ensure the initial precision requirement.
In addition, in the welding process of the first web plate and the first panel, the first web plate is welded from the middle position to the end part along the length direction of the first web plate, and the first web plate is simultaneously welded at the two opposite side parts of the first web plate by using a plurality of workers, so that compared with the traditional single-side welding of the other end from one end to the other end, the welding deformation is greatly reduced. Similarly, the process is also adopted in the process of welding the second web plate and the first panel, so that the welding deformation is greatly reduced.
In addition, in the welding process, especially after the second web plate is welded, the straightness of the first panel, the first web plate and the second web plate and the perpendicularity of the first web plate and the second web plate are checked again, and if the straightness of the first panel, the first web plate and the second web plate is out of tolerance, correction is carried out, error accumulation is avoided, and the precision of a finished product is further guaranteed.
In addition, after welding is completed, the size, the straightness and the levelness of the hanging beam are checked, the out-of-tolerance position is corrected, and the precision of a finished hanging beam product is guaranteed.
Therefore, errors are eliminated from the aspects of design, incoming materials, assembly and the like, the precision requirements of the hanging beam such as size, straightness, levelness and the like are further guaranteed, and rework operation caused by insufficient precision is avoided, so that a large amount of labor hour and energy consumption are saved, and the operation efficiency is improved.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a first panel positioning provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram illustrating an assembly of a first web and a first panel provided by an embodiment of the present application;
fig. 3 is a schematic structural diagram of the first web, the second web, the toggle plate and the first panel provided in the embodiment of the present application after the assembly is completed;
fig. 4 is a schematic structural diagram of the first web, the second web, the toggle plate and the first panel assembled and then inverted and assembled with the second panel according to the embodiment of the present application;
fig. 5 is a schematic structural diagram of the suspension beam provided in the embodiment of the present application after the assembly is completed.
Reference numerals:
1-a first panel, 2-a first web, 3-a toggle plate, 4-a second web, 5-a second panel and 6-an embedded component.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
A method of assembling a rig floor BOP boom according to some embodiments of the present application is described below with reference to fig. 1-5.
Referring to fig. 1 to 5, an embodiment of the present application provides a method for assembling a BOP boom of a rig floor, which is used for assembling the boom, and the assembled boom includes a first panel 1, a second panel 5, a first web 2, a second web 4 and a toggle plate 3;
the first panel 1, the second panel 5, the first web 2 and the second web 4 all extend in the same direction, and the first panel 1 and the second panel 5 are arranged at intervals along the first direction;
the first web 2 and the second web 4 are arranged in the installation space formed between the first panel 1 and the second panel 5 at intervals, the first web 2 and the second web 4 are respectively perpendicular to the first panel 1 and the second panel 5, and the toggle plate 3 is arranged between the first web 2 and the second web 4 and is perpendicular to the first panel 1 and the second panel 5;
the method for assembling the BOP hanging beam of the drill floor comprises the following steps:
modeling: when the structure is modeled, the shrinkage of a preset size is added and expanded in the length direction of the first panel 1, the second panel 5, the first web 2 and the second web 4 respectively;
feeding: when the material is supplied, the straightness of the first panel 1, the second panel 5, the first web 2 and the second web 4 is checked and corrected;
assembling: fixedly placing a first panel 1 and a first web 2 according to a preset assembly position, and then gradually welding the first panel 1 with the left and right side parts of the first web 2 and the end parts of the first panel from the central position along the length direction of the first web 2;
positioning the toggle plate 3 according to a preset assembly position, and then welding the toggle plate 3 with the first panel 1 and the first web 2 respectively;
positioning the second web plate 4 according to a preset assembly position, then gradually welding the second web plate 4 with the first panel 1 from the center position to the end part at the left side part and the right side part of the second web plate 4 along the length direction of the second web plate 4, and after the welding is finished, checking the straightness of the first panel 1, the first web plate 2 and the second web plate 4 and the perpendicularity of the first web plate 2 and the second web plate 4 again, and correcting if the out-of-tolerance exists;
the assembled structure of the first panel 1, the first web 2, the second web 4 and the toggle plate 3 is inverted, and after the assembled structure is positioned with the second panel 5 at the bottom, the assembled structure is gradually welded with the second panel 5 from the central position to the end part on the outer sides of the first web 2 and the second web 4 along the length direction of the first web 2 and the second web 4;
after the welding is finished, the size, the straightness and the levelness of the hanging beam are checked, and the out-of-tolerance part is corrected.
Based on the above-described method steps, in the initial design stage, considering the shrinkage of the suspension beam during assembling and welding and the shrinkage of the linearity and levelness corrected by the firer, the shrinkage of the first panel 1, the second panel 5, the first web 2 and the second web 4 in the length direction is respectively increased in the structural modeling, so as to compensate the shrinkage and ensure that the overall dimension of the suspension beam meets the requirement, and preferably, the shrinkage of the increased preset dimension includes the shrinkage (about 30mm) of the firer corrected linearity and levelness, and the dispersed elongation (1 mm per 600 mm) increased for the welding deformation, i.e. the shrinkage is compensated by increasing 1mm per 600mm based on the original length of the first panel 1, and besides, the firer corrected linearity, the levelness corrected, and the shrinkage corrected based on the original length of the first panel 1 are also increased, The shrinkage in levelness is increased by 30mm (the width of the hanging beam is small, the shrinkage in the width direction is small and can be ignored, and the shrinkage in the length direction is considered mainly).
In addition, in the incoming material stage, namely after the first panel 1, the second panel 5, the first web 2, the second web 4 and the toggle plate 3 are transported to the incoming site, the straightness of the first panel 1, the second panel 5, the first web 2 and the second web 4 is checked, and the out-of-tolerance is corrected to ensure the initial precision requirement.
In addition, in the welding process of the first web 2 and the first panel 1, welding is performed from the middle position to the end part along the length direction of the first web 2, and welding is performed simultaneously on two opposite side parts of the first web 2 by using a double number of workers, so that compared with the conventional single-side welding of the other end from one end to the other end, the welding deformation is greatly reduced. Similarly, the above process is also adopted in the process of welding the second web 4 and the first panel 1, so that the welding deformation is also greatly reduced.
In addition, in the welding process, especially after the second web 4 is welded, the straightness of the first panel 1, the first web 2 and the second web 4 and the verticality of the first web 2 and the second web 4 are checked again, and if the straightness and the verticality are out of tolerance, correction is performed to avoid error accumulation, so that the precision of a finished product is ensured.
In addition, after welding is completed, the size, the straightness and the levelness of the hanging beam are checked, the out-of-tolerance position is corrected, and the precision of a finished hanging beam product is guaranteed.
Therefore, errors are eliminated from the aspects of design, incoming materials, assembly and the like, the precision requirements of the hanging beam such as size, straightness, levelness and the like are further guaranteed, and rework operation caused by insufficient precision is avoided, so that a large amount of labor hour and energy consumption are saved, and the operation efficiency is improved.
In an embodiment of the present application, preferably, as shown in fig. 1, in the step of fixedly placing the first panel 1 and the first web 2 according to the preset assembly position, two symmetrically arranged embedded member 6 sets are used to position the first panel 1, and any one of the embedded member 6 sets includes a plurality of L-shaped embedded members 6, and the plurality of embedded members 6 are sequentially arranged at equal intervals, two opposite side portions of the first panel 1 are respectively clamped in the clamping grooves of the corresponding plurality of embedded members 6, and it is noted that the L-shaped embedded member 6 includes a transverse extending portion and a longitudinal extending portion which are connected, and the transverse extending portion is pressed on the corresponding panel, and the longitudinal extending portion is arranged along a direction perpendicular to the transverse extending portion and abuts against one side of the corresponding panel.
In this embodiment, specifically, a plurality of L-shaped embedded members 6 are respectively embedded in two sides of a flat workbench, and the embedded members 6 on each side of the workbench are arranged at equal intervals along the workbench, the workbench forms an installation space with its side portion and the embedded members 6 above, the first panel 1 can be inserted into the installation space and positioned on the workbench by the embedded members 6, of course, but not limited thereto, the first panel 1 can be placed on the workbench first, then the embedded members 6 are pressed on the first panel 1, and the embedded members 6 are embedded in or installed on one side of the workbench, thereby positioning the first panel 1 is realized.
Note that after the first panel 1, the first web 2, the second web 4 and the toggle plate 3 are welded, the embedded members 6 clamped at the two sides of the first panel 1 are removed, and then the embedded members 6 are repeatedly used to position the second panel 5, so that the material investment is saved.
In an embodiment of the present application, preferably, as shown in fig. 2, in the step of fixedly placing the first panel 1 and the first web 2 according to the preset assembly position, the first web 2 is placed on the first panel 1 and abuts against one end of the embedded member 6, and a supporting member is disposed at one side of the first web 2, specifically, the supporting member may be disposed at a side opposite to the embedded member 6, and may also be disposed at the same side as the embedded member 6.
In this embodiment, the embedded member 6 and the supporting member both play a role in supporting and positioning the first web 2, and do not need to be held by a worker, so that the labor force is liberated, and the labor intensity of the worker is reduced.
Wherein preferably the support member is a square block which can be placed on the first panel 1.
Of course, the support member may be a support rod, one end of which is supported on one side of the first web 2 and the other end of which is supported on the working surface or the first panel 1, and may also function to support the first toggle plate 3.
In one embodiment of the present application, preferably, as shown in fig. 3, in the step of positioning the second web 4 according to the preset assembling position, the second web 4 is placed in an installation space formed by the toggle plate 3 and the embedded member 6, so as to position the second web 4.
In this embodiment, the second web 4 is clamped by the toggle plate 3 and the embedded member 6, so that the second web 4 is positioned without holding the second web 4 by a worker, labor force is liberated, and labor intensity of the worker is reduced.
In one embodiment of the present application, it is preferred that the perpendicularity of the toggle plate 3 is always guaranteed during the installation of the toggle plate 3, as shown in fig. 3 and 4, to meet the accuracy requirements.
Specifically, when the toggle plate 3 is installed, because the toggle plate 3 is small and light, the toggle plate can be held by a worker in a hand and can be released after welding is completed, and certainly, the toggle plate is not limited to the above, and a square iron block can be adopted to be blocked and supported on one side of the toggle plate 3 to support the toggle plate, so that the two hands of the worker can be liberated, and the labor intensity can be reduced.
In one embodiment of the present application, the toggle plate 3 and the second web 4 are preferably welded together after the welding of the second web 4 and the first panel 1 is completed, and before inspection.
In this embodiment, in order to ensure the stability of the whole structure, it is also necessary to weld the second web 4 and the toggle plate 3 together to form a connected body, and the components are not easily loosened.
In one embodiment of the present application, it is preferable that, as shown in fig. 4, the number of the toggle plates 3 is plural, and two of the plurality of toggle plates 3 are respectively disposed at opposite ends of the first panel 1, and the remaining toggle plates 3 are equally spaced between the two toggle plates 3 located at the opposite ends of the first panel 1.
In this embodiment, generally, in the hanging beam structure, the toggle plates 3 are not welded at the end portions of the first panels 1, in the method for assembling the drilling rig BOP hanging beam provided by the present application, one toggle plate 3 is additionally arranged at each of the two opposite end portions of the first panels 1, and due to the increase of the support, the welding deformation is reduced, and in addition, the overall strength of the hanging beam is also improved.
In one embodiment of the present application, it is preferable that the first web 2 and the second web 4 are respectively welded to the first panel 1 in multiple layers and multiple passes, and the welding current is 250A or less.
In this embodiment, multiple passes of welding are used and the welding current is controlled to further reduce distortion.
In one embodiment of the present application, it is preferable that the first web 2 and the second web 4 are respectively welded to the second panel 5 in multiple layers and multiple passes, and the welding current is 250A or less.
In this embodiment, multiple passes of welding are used, with a current of no more than 250A, further reducing distortion.
In one embodiment of the present application, the correcting method is preferably a fire correcting method, and particularly, the fire correcting method is related to the fire correcting during feeding in the method for assembling the BOP hanging beam on the drilling platform, and the fire correcting method is related to the fire correcting of the finished hanging beam after welding.
In this example, in the shipbuilding industry, the firer is a process for the thermal deformation treatment of a sheet material, and specifically, the sheet material is first heated locally in a linear manner by an oxygen-acetylene torch and then cooled (or allowed to cool naturally) by water tracing so that the sheet is locally plastically deformed to correct a designated portion.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A method for assembling a BOP hanging beam of a drill floor is used for assembling the hanging beam, the assembled hanging beam comprises a first panel, a second panel, a first web, a second web and a toggle plate, the first panel, the second panel, the first web and the second web all extend in the same direction, the first panel and the second panel are arranged at intervals along a first direction, the first web and the second web are arranged at intervals in an installation space formed between the first panel and the second panel, and the first and second webs are perpendicular to the first and second panels respectively, the toggle plate is arranged between the first web and the second web and is perpendicular to the first panel and the second panel, and the method for assembling the BOP hanging beam on the drill floor comprises the following steps:
modeling: when the structure is modeled, respectively adding shrinkage of preset sizes to the first panel, the second panel, the first web and the second web in the length direction;
feeding: when the material is fed, checking the straightness of the first panel, the second panel, the first web and the second web and correcting;
assembling: fixedly placing the first panel and the first web plate according to a preset assembling position, and then gradually welding the first panel with the left side part and the right side part of the first web plate and the end part of the first web plate from the central position along the length direction of the first web plate;
positioning the toggle plate according to a preset assembly position, and then welding the toggle plate with the first panel and the first web plate respectively;
positioning the second web plate according to a preset assembly position, gradually welding the second web plate with the first panel from the center position to the end part on the left side part and the right side part of the second web plate along the length direction of the second web plate, and after welding is finished, checking the straightness of the first panel, the first web plate and the second web plate and the perpendicularity of the first web plate and the second web plate again, and correcting if the out-of-tolerance exists;
the assembled structure of the first panel, the first web, the second web and the toggle plate is inverted, and after the assembled structure is positioned with the second panel at the bottom, the assembled structure is gradually welded with the second panel from the central position to the end part on the outer side of the first web and the second web along the length direction of the first web and the second web;
and after welding is finished, checking the size, the straightness and the levelness of the hanging beam, and correcting the out-of-tolerance part.
2. The assembly method of the drill floor BOP crane beam as claimed in claim 1, wherein in the step of fixedly placing the first face plate and the first web plate according to the preset assembly position, two symmetrically arranged embedded member sets are used for positioning the first face plate, wherein any embedded member set comprises a plurality of L-shaped embedded members, the plurality of embedded members are arranged in sequence at equal intervals, and two opposite side portions of the first face plate are respectively clamped in clamping grooves of the corresponding plurality of embedded members;
after the first panel, the first web, the second web and the toggle plate are welded, the embedded members clamped at the two sides of the first panel are removed, and then the second panel is positioned by utilizing the embedded members.
3. The method for assembling the BOP crane beam of claim 2, wherein in the step of fixedly placing the first panel and the first web at a predetermined assembling position, the first web is placed on the first panel and abuts against one end of the embedded member, and a support member is provided at one side of the first web.
4. The method of assembling a rig floor BOP boom of claim 3, wherein the support members are square blocks or the support members are support rods.
5. The method for assembling the BOP boom of claim 2, wherein, in the step of positioning the second web at a predetermined assembly position, the second web is placed in an installation space formed by the toggle plate and the embedded member to position the second web.
6. The method of assembling a drill floor BOP boom of claim 1, wherein perpendicularity of the toggle plate is always maintained during installation of the toggle plate; and/or
After the welding of the second web to the first panel is completed, and before inspection, welding the toggle plate to the second web; and/or
The number of the toggle plates is plural, two of the toggle plates are respectively arranged at two opposite end parts of the first panel, and the rest of the toggle plates are arranged between the two toggle plates at two opposite end parts of the first panel at equal intervals.
7. The method of assembling a drill floor BOP boom of claim 1, wherein the first web and the second web are each multi-welded to the first panel with a welding current of 250A or less.
8. The method of assembling a drill floor BOP boom of claim 1, wherein the first web and the second web are each multi-welded to the second panel with a welding current of 250A or less.
9. The method of assembling a rig BOP boom of any of claims 1-8, wherein the correcting is by way of a fire correction.
10. The method of assembling a BOP boom of claim 9, wherein the shrinkage of the predetermined dimension includes compensation for a firewire correction straightness, a shrinkage in levelness, and a discrete extension of 1mm per 600mm in response to welding deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111328549.XA CN113953768A (en) | 2021-11-10 | 2021-11-10 | Method for assembling BOP hanging beam of drill floor |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836436A (en) * | 1987-08-17 | 1989-06-06 | Gerald McDonald | Method of manufacturing a fabricated open web steel joist |
| JPH0565095A (en) * | 1991-09-06 | 1993-03-19 | Kawasaki Heavy Ind Ltd | Manufacture of built-up lounge |
| JP2003290918A (en) * | 2002-03-28 | 2003-10-14 | Katsura Steel:Kk | Welded wide flange shape, and method for manufacturing the same |
| CN101664847A (en) * | 2009-08-10 | 2010-03-10 | 河南天丰钢结构有限公司 | Method for producing box beam/column with steel structure |
| CN102974948A (en) * | 2012-11-06 | 2013-03-20 | 中联重科股份有限公司 | Welding assembly method of box beam |
| CN105269253A (en) * | 2014-07-24 | 2016-01-27 | 青岛百键城环保科技有限公司 | Manufacturing method for steel-structure box beam/box column |
| CN106884498A (en) * | 2017-04-25 | 2017-06-23 | 江苏沪宁钢机股份有限公司 | A kind of special-shaped box column and its processing technology |
| CN110695618A (en) * | 2018-07-10 | 2020-01-17 | 北京京盛泰华金属结构有限公司 | H-shaped steel welding process |
| CN111571072A (en) * | 2020-05-28 | 2020-08-25 | 上海外高桥造船有限公司 | Welding precision control method for box-type slender beam |
-
2021
- 2021-11-10 CN CN202111328549.XA patent/CN113953768A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836436A (en) * | 1987-08-17 | 1989-06-06 | Gerald McDonald | Method of manufacturing a fabricated open web steel joist |
| JPH0565095A (en) * | 1991-09-06 | 1993-03-19 | Kawasaki Heavy Ind Ltd | Manufacture of built-up lounge |
| JP2003290918A (en) * | 2002-03-28 | 2003-10-14 | Katsura Steel:Kk | Welded wide flange shape, and method for manufacturing the same |
| CN101664847A (en) * | 2009-08-10 | 2010-03-10 | 河南天丰钢结构有限公司 | Method for producing box beam/column with steel structure |
| CN102974948A (en) * | 2012-11-06 | 2013-03-20 | 中联重科股份有限公司 | Welding assembly method of box beam |
| CN105269253A (en) * | 2014-07-24 | 2016-01-27 | 青岛百键城环保科技有限公司 | Manufacturing method for steel-structure box beam/box column |
| CN106884498A (en) * | 2017-04-25 | 2017-06-23 | 江苏沪宁钢机股份有限公司 | A kind of special-shaped box column and its processing technology |
| CN110695618A (en) * | 2018-07-10 | 2020-01-17 | 北京京盛泰华金属结构有限公司 | H-shaped steel welding process |
| CN111571072A (en) * | 2020-05-28 | 2020-08-25 | 上海外高桥造船有限公司 | Welding precision control method for box-type slender beam |
Non-Patent Citations (1)
| Title |
|---|
| 应长春: "《船舶工艺技术》", 31 January 2013, 上海交通大学出版社 * |
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