CN114906293B - Method for constructing rocker arm hinge piece of jacket launching barge - Google Patents
Method for constructing rocker arm hinge piece of jacket launching barge Download PDFInfo
- Publication number
- CN114906293B CN114906293B CN202210607497.8A CN202210607497A CN114906293B CN 114906293 B CN114906293 B CN 114906293B CN 202210607497 A CN202210607497 A CN 202210607497A CN 114906293 B CN114906293 B CN 114906293B
- Authority
- CN
- China
- Prior art keywords
- semicircular sleeve
- semicircular
- sleeve
- stern
- straight plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 41
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 238000007689 inspection Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005728 strengthening Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to a method for constructing a rocker arm hinge part of a jacket launch barge. The invention relates to a method for constructing a rocker arm hinge part of a jacket launch barge, which comprises the following steps: prefabricating a semicircular sleeve segment, prefabricating the semicircular sleeve and a support into a semicircular sleeve segment integrally, boring the semicircular sleeve segment, installing the bored semicircular sleeve segment on a stern, prefabricating a locker, finely machining a filling plate inside the locker semicircular sleeve, and assembling the locker, the stern and the semicircular sleeve segment. The method for constructing the rocker arm hinge piece of the jacket launch barge has the characteristics of convenient manufacture, low cost and small deviation, and has the advantages of saving the cost and improving the construction efficiency.
Description
Technical Field
The invention relates to the technical field of ocean engineering machinery, in particular to a method for constructing a rocker arm hinge part of a jacket launch barge.
Background
"Offshore oil 229" is an important component of the deep water development strategy implemented by offshore oil in China, and is the marine barge of the first and third world in Asia, and the ship has 6 ten thousand ton loading capacity, 3.85 ten thousand ton jacket launching capacity and 3.5 ten thousand ton block floating installation capacity. The jacket launching process is a process of guiding the jacket to slide by self weight from a launching barge with certain trim to launch until the jacket is separated from the barge and reaches a stable state in the water. Wherein the rocker arm is a key device for distinguishing the jacket launch barge from the common barge. The rocking arm is installed at the stern, and every ship is equipped with two rocking arms, and rocking arm overall dimension is: length x width x height = 41 x 4 x 8m, with a single weight up to 720T. The rocker arm function is that when the jacket slides into water, the jacket weight is pressed on the rocker arm at last, and the jacket is turned over by the rocker arm, so that the jacket is launched, the construction risk of the launching mode is low, the limitation of large-scale floating crane resources is relieved, the launching cost can be saved by millions of yuan each time, and the method has higher popularization value.
Referring to fig. 1 and 2, when the jacket of the ocean platform is launched, the jacket is required to be slipped into water by using a barge rocker arm I, the jacket to be launched is loaded on the rocker arm I, a rocker arm rotating shaft II is required to rotate around a rocker arm hinge part during the work of the rocker arm I, the rocker arm I is enabled to rotate from a horizontal state to a stern to a vertical state, and the rocker arm hinge part supports the rocker arm I.
The rocker arm hinge comprises a support 1, a locker 2 and a semicircular sleeve 3, wherein the locker 2 comprises a locker body 20, a locker semicircular sleeve 21 and a filling plate 210, the locker semicircular sleeve 21 is a semi-cylindrical body, the locker semicircular sleeve 21 is fixed on the locker body, and the filling plate 210 is fixed in the locker semicircular sleeve 21. The semicircle sleeve 3 is fixed on the support 1, the semicircle sleeve 3 is the semicircle barrel, the support 1 includes first straight board 11, first strengthening rib 12, second straight board 13, third straight board 14 and second strengthening rib 15, first straight board 11, second straight board 13, third straight board 14 are fixed in the semicircle sleeve 3, first strengthening rib 12 connect in first straight board 11 with between the second straight board 13, second strengthening rib 15 connect in between second straight board 13 and the third straight board 14, support 1 installs on the stern, locker 2 lid is established on support 1, locker semicircle sleeve 21, filler plate 210 and semicircle sleeve 3 form a locking space, but locking rocking arm pivot II does not rotate. However, the rocker arm hinge member has the advantages of huge volume and weight, special materials and thicker plate thickness, so that the welding difficulty is high, the precision is poor, the processing difficulty is high, and the cost is high in the existing construction technology of the rocker arm hinge member, and the rocker arm hinge member can be successfully constructed by adopting a proper construction method.
Disclosure of Invention
Based on the above, the invention aims to provide a method for constructing a rocker arm hinge of a jacket launch barge, which has the advantages of simple manufacture, high precision and low cost.
The utility model provides a jacket launch barge rocking arm hinge construction method, rocking arm hinge includes support, locker and semicircle cover, its characterized in that: the method comprises the following steps:
prefabricating a semicircular sleeve segment, and prefabricating the semicircular sleeve and the support into a semicircular sleeve segment integrally;
Boring the semicircular sleeve in a sectional manner;
Mounting the bored semicircle sleeve on the stern in a sectioning way;
Prefabricating a locker;
Finish machining is carried out on the filling plate in the semicircular sleeve of the locker;
and assembling the locker and the stern part and sectionally assembling the locker and the semicircular sleeve.
Compared with the prior art, the method for constructing the rocker arm hinge part of the jacket launching barge, disclosed by the invention, has the characteristics of convenience in manufacture, low cost and small deviation, saves cost and improves construction efficiency by sectioning the semi-circular sleeve, the support and the component group thereof into the prefabricated semi-circular sleeve and then installing the semi-circular sleeve and the locker at the stern.
Further, the semicircular sleeves are prefabricated in sections, semicircular cylinders with the same pipe diameters are prefabricated as a first semicircular sleeve and a second semicircular sleeve respectively, and one end of the first semicircular sleeve and one end of the second semicircular sleeve are fixed in a welding mode. The semicircular sleeve is divided into two sections and welded into an integral semicircular sleeve, so that the volume and the weight of a single semicircular sleeve can be reduced, and the manufacturing and the transportation are convenient.
Further, the first semicircular sleeve and the second semicircular sleeve are welded on the splicing jig frame, and the welding mode is carbon dioxide gas shielded welding. Carbon dioxide gas shielded welding is carried out on the splicing jig frame, so that the semicircular sleeve is more stable in welding, small in deformation, high in production efficiency, electric energy-saving and welding cost-saving.
Further, the splicing jig comprises a splicing table body, a plurality of external special templates and a plurality of internal special templates, wherein the external special templates are mutually parallel and uniformly distributed on the splicing table body, each external special template is provided with a bearing groove, the bearing grooves are matched with the outer contour of the semicircular sleeve, and each internal special template is semicircular and matched with the inner contour of the semicircular sleeve; the first semicircular sleeve and the second semicircular sleeve are respectively arranged at two ends of the splicing jig frame, the outer contours of the first semicircular sleeve and the second semicircular sleeve are respectively attached to the bearing grooves of the outer contours of the external special templates, one end of the first semicircular sleeve is contacted with one end of the second semicircular sleeve, and then the outer contours of the internal special templates are attached to the inner contours of the first semicircular sleeve and the second semicircular sleeve; and then welding at the contact position of the first semicircular sleeve and the second semicircular sleeve. By using the external special template and the internal special template, welding deformation between the first semicircular sleeve and the second semicircular sleeve can be effectively prevented.
Further, the semicircular sleeve and the components of the support are sequentially placed on a special sectional jig frame for welding and fixing, so that semicircular sleeve sections are formed. After the semicircular sleeve is supported by the sectional jig frame, the semicircular sleeve is welded with a component of the support, so that the welding precision can be improved.
Further, the segmentation bed-jig includes a plurality of segmentation special templates and a plurality of stand, a plurality of stand evenly distributed fixes on the ground, a plurality of segmentation special templates parallel fixation is in on a plurality of stand, the upper surface of segmentation special template is including the first inclined plane, middle convex arc surface and the second inclined plane that connect gradually, middle convex arc surface with the internal surface of semicircle cover is identical, first inclined plane and second inclined plane are by outside direction middle convex arc surface direction slope, the support includes first straight board, first strengthening rib, second straight board, third straight board and second strengthening rib. The use of a number of segmented specialized templates allows the segmented jig frame to more firmly support the support and its components.
Further, firstly hoisting the semicircular sleeve to the sectional jig frame, enabling the inner surface of the semicircular sleeve to be attached to the middle convex arc surface of the sectional special template, then placing the first straight plate on the second inclined surface, and welding and fixing one end of the first straight plate with the edge of the outer surface of the semicircular sleeve; then one end of the first reinforcing rib is welded and fixed with the outer surface of the semicircular sleeve, and one side of the first reinforcing rib is welded and fixed with one side of the first straight plate; then one end of the second straight plate is welded and fixed with the outer surface of the semicircular sleeve, and one side of the second straight plate is welded and fixed with one side of the first reinforcing rib; then, placing the third straight plate on the first inclined surface, and welding and fixing one end of the third straight plate with the other edge of the outer surface of the semicircular sleeve; and finally, welding and fixing one side of the second reinforcing rib with one side of the third straight plate, and welding and fixing the other side of the second reinforcing rib with one side of the second straight plate. The first straight plate, the first reinforcing rib, the second straight plate, the third straight plate and the second reinforcing rib are welded and fixed with the semicircular sleeve in sequence, and the segmented welding can enable the process to be simpler, reduce poor welding, save cost and improve manufacturing efficiency.
Further, the method for mounting the semicircular sleeve section on the stern comprises the following steps: drawing projection lines of the center line of the rotating shaft and inspection lines of the sectional folding ports on the semicircular sleeve sections; drawing a rocker center line, a stern rotating shaft center line and a stern folding port inspection line on a stern; when the ship stern folding device is assembled, the perpendicular line of the projection line of the central line of the rotating shaft is overlapped with the projection line of the longitudinal wall of the stern side, where the central line of the rotating shaft of the stern falls, and the sectional folding opening inspection line is parallel to the stern folding opening inspection line. And the assembling precision of the semicircular sleeve segment and the locker and the stern part is improved.
Further, paint coats the semicircular segments. Preventing the rocker arm hinge from being corroded and improving the service life of the rocker arm hinge.
Further, the locker, the stern and the semicircular sleeve are fixed in a welding mode, errors are measured every two hours in the welding process, and each deviation value is not more than 2mm. The detection is carried out according to a certain time isolation, the repair can be carried out in advance, the scrapping of the whole rocker arm hinge part is avoided, the construction efficiency of the rocker arm hinge part is improved, and the cost is saved.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
FIG. 1 is a front view of a jacket launch barge rocker arm hinge mounted to a stern;
FIG. 2 is a side cross-sectional view of the rocker arm hinge of FIG. 1;
FIG. 3 is a top view of a semicircle sleeve 3 on a splice jig 4 according to an embodiment of the present application;
FIG. 4 is a view in the direction A-A of FIG. 3;
FIG. 5 is a view in the B-B direction of FIG. 3;
FIG. 6 is a schematic view of the sectional jig frame 5;
FIG. 7 is a schematic diagram showing the assembly of the semicircular sleeve 3 and the support 1 in the sectional jig frame 5 according to the embodiment of the present application;
FIG. 8 is a schematic drawing of a semi-circular sleeve segment scribing in accordance with an embodiment of the present application;
FIG. 9 is a schematic drawing of a line drawn of a stern mounting half sleeve segmented region according to an embodiment of the present application;
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
Referring to fig. 1 and 2, a method for constructing a rocker arm hinge of a jacket launch barge, wherein the rocker arm hinge comprises a support 1, a locker 2 and a semicircle sleeve 3, and the method comprises the following steps of:
S1: prefabricating a semicircular sleeve segment, wherein the semicircular sleeve 3 and the support 1 are integrally prefabricated into a semicircular sleeve segment;
S2: boring the inner surface of a semicircular sleeve 3 of the semicircular sleeve segment;
s3: the semicircular sleeve segments are assembled with the stern;
s4: the locker 2 is integrally prefabricated;
s5: finish machining the filling plate 210 inside the locker half-round sleeve 21;
s6: the locker 2 is installed with the stern part and the semicircle sleeve in a sectionalized way.
Step S1 comprises the steps of,
S11: firstly customizing a semi-circular sleeve finished product, in the embodiment, referring to fig. 3, 4 and 5, the splicing jig frame 4 comprises a plurality of external special templates 41, internal special templates 42 and a splicing table body 40; the splicing table body 40 is in a rectangular frame shape, a plurality of external special templates 41 are fixed with the splicing table body 40 and uniformly distributed on the splicing table body 40 for supporting the semicircle sleeve,
Each external special template 41 is provided with a bearing groove 410, the bearing groove 410 is matched with the outer contour of the semicircular sleeve 3, each internal special template 42 is semicircular and matched with the inner contour of the semicircular sleeve 3, and looseness can be prevented when the semicircular sleeve 3 is supported.
The semicircular sleeve 3 is made of alloy forged steel 25CrMo4, the semicircular sleeve 3 is divided into two sections according to the length for prefabrication, a first semicircular sleeve 31 and a second semicircular sleeve 32 are prefabricated respectively, the length of each semicircular sleeve 3 is 6800mm, the first semicircular sleeve 31 and the second semicircular sleeve 32 are placed on a spliced jig frame 4 respectively, the thickness T of an external special template 41 of the spliced jig frame 4 is 20mm, the first semicircular sleeve 31 and the second semicircular sleeve 32 are supported, the first semicircular sleeve 31 and the second semicircular sleeve 32 are welded into an integral semicircular sleeve 3 with the length of 13600mm, CO 2 gas shielded welding is adopted for welding, the first semicircular sleeve 31 and the second semicircular sleeve 32 are placed at two ends of the spliced frame 4 respectively, the outer contours of the first semicircular sleeve 31 and the second semicircular sleeve 32 are respectively attached to bearing grooves 410 of the outer contours of the external special template 41, one end of the first semicircular sleeve 31 and one end of the second semicircular sleeve 32 are contacted, and the outer contours of the first semicircular sleeve 31 and the inner contour of the second semicircular sleeve 32 are attached; and then welding is performed at a position where the first half shell 31 contacts the second half shell 32. Firstly welding the inside (namely an inner groove) of an arc-shaped folding opening between two semicircular sleeves 3 at a welding position S, then welding the outside (namely an outer groove), and arranging an inner special template 42 in the semicircular sleeves 3 at each interval by using an outer special template 41 to prevent the semicircular sleeves 3 from welding deformation;
S12: and (3) carrying out precision detection and weld seam flaw detection on the welded integral semicircular sleeve, lifting the integral semicircular sleeve 3 onto the segmented jig frame 5 to assemble with the support 1 and components thereof after the spliced jig frame 4 is subjected to the tire detachment. Referring to fig. 6, the sectional jig frame 5 includes a plurality of sectional special templates 51 and a plurality of upright posts 52, the plurality of upright posts 52 are uniformly distributed and fixed on the ground, the plurality of sectional special templates 51 are fixed on the plurality of upright posts 52, the plurality of upright posts 52 are used for supporting the plurality of sectional special templates 51, and the number of the sectional special templates 51 is set according to the axial length of the carried semicircular sleeve 3; the outer contour of the special segmented template 51 is matched with the welded and spliced shape of the semicircular sleeve 3 and the support, the upper surface of the outer contour of the special segmented template 51 comprises a first inclined surface 510, a middle convex arc surface 511 and a second inclined surface 512 which are sequentially connected, the middle convex arc surface 511 is matched with the inner surface of the semicircular sleeve 3, and the first inclined surface 510 and the second inclined surface 512 are inclined from the outer side to the two sides of the middle convex arc surface 510 and are used for supporting a straight plate of the support 1.
Referring to fig. 7, the bracket 1 includes a first straight plate 11, a first reinforcing rib 12, a second straight plate 13, a third straight plate 14, and a second reinforcing rib 15; the lengths of the first straight plate 11, the second straight plate 13 and the third straight plate 14 are the same as those of the semicircular sleeve 3, and the side ends of the first straight plate, the second straight plate and the third straight plate are welded and fixed with the outer edge of the semicircular sleeve; the number of the first reinforcing ribs 12 and the second reinforcing ribs 15 is a plurality, the first reinforcing ribs 12 and the second reinforcing ribs 15 are respectively arranged and fixed between the first straight plate 11 and the second straight plate 13, the second straight plate 13 and the third straight plate 14, and the first reinforcing ribs and the second reinforcing ribs are uniformly fixed on the semicircular sleeve 3 along the axial direction of the semicircular sleeve 3 according to the length of the semicircular sleeve 3.
Referring to fig. 6 and 7, first, the first straight plate 11 is placed on the second inclined surface 512 on the segmented jig 5, and one end of the first straight plate 11 is welded and fixed with the outer edge of the semicircular sleeve 3; then one end of the first reinforcing rib 12 is welded and fixed with the outer edge of the semicircular sleeve 3, and one side of the first reinforcing rib 12 is welded and fixed with one side of the first straight plate 11; one end of the second straight plate 13 is welded and fixed with the outer edge of the semicircular sleeve 3, and one side of the second straight plate 13 is welded and fixed with one side of the first reinforcing rib 12; then, the third straight plate is placed on the first inclined surface 510, and one end of the third straight plate 14 is welded and fixed with the outer edge of the semicircular sleeve 3; finally, one side of the second reinforcing rib 15 is welded and fixed with one side of the third straight plate 14, and the other side of the second reinforcing rib is welded and fixed with one side of the second straight plate 13; finally forming a semicircular sleeve segment;
s13: performing precision measurement and deformation correction on the formed semicircular sleeve segments, and performing appearance inspection and flaw detection on welding seams;
S14: referring to fig. 8, a perpendicular 141a of the projection of the center line 141 of the rotating shaft ii and a segment folding port inspection line 142 are drawn on the segment of the semicircular sleeve, and the segment folding port inspection line 142 is perpendicular to the center line 141 of the rotating shaft ii as the basis for installing and positioning the segment of the semicircular sleeve; referring to fig. 1 and 9, the line matching with the semicircular sleeve segment is also drawn on the stern, and a rocker arm i center line 140, a stern rotating shaft ii center line 1410 and a stern folding port inspection line 1420 are drawn, so that when the semicircular sleeve segment is installed on the stern, the line matching is performed, the line matching is positioned, the rocker arm center line is used as a reference line of the semicircular sleeve width direction structure installation line, and the line is used as a reference line to respectively score the two sides, thereby reducing the marking precision error. The vertical line 141a of the projection of the center line 141 of the rotation shaft II is matched and overlapped with the projection line of the vertical wall of the stern side of the stern rotation shaft II, and the segment closure checking line 142 is kept parallel with the stern closure checking line 1420.
S15: and (5) carrying out paint coating on the semicircular sleeve sections.
In step S2, in this embodiment, a flat car is used to transport the semicircular sleeve to the workshop in sections, and a special machining device is used to perform boring of the semicircular sleeve in sections.
Step S3 comprises the steps of,
S31: removing the old support at the stern part of the ship, and replacing the old support with a new longitudinal cabin wall plate;
s32: removing the old semicircular sleeve and hoisting the old semicircular sleeve to be taken off the ship;
S33: and (2) hoisting the semicircular sleeve completed in the step (S2) to a specified position of a stern for installation and welding, wherein in the embodiment, in the welding process, each deviation value is required to be not more than 2mm every 2 hours, if the deviation value exceeds 2mm, the welding is stopped immediately on site, and the welding sequence is adjusted until the welding standard is met.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention, and the invention is intended to encompass such modifications and improvements.
Claims (7)
1. The utility model provides a jacket launch barge rocking arm hinge construction method, rocking arm hinge includes support, locker and semicircle cover, its characterized in that: the method comprises the following steps:
Prefabricating a semicircular sleeve segment, prefabricating the semicircular sleeve and the support into a semicircular sleeve segment integrally, and specifically operating as follows:
The method comprises the steps that a semicircular sleeve is prefabricated in sections, semicircular cylinders with the same pipe diameter are prefabricated as a first semicircular sleeve and a second semicircular sleeve respectively, one end of the first semicircular sleeve and one end of the second semicircular sleeve are placed on a splicing jig frame to be fixed in a welding mode, the splicing jig frame comprises a splicing table body, a plurality of external special templates and a plurality of internal special templates, the external special templates are mutually parallel and uniformly distributed on the splicing table body, each external special template is provided with a bearing groove, the bearing grooves are matched with the outer contour of the semicircular sleeve, and each internal special template is semicircular and matched with the inner contour of the semicircular sleeve; the first semicircular sleeve and the second semicircular sleeve are respectively placed at two ends of the splicing jig frame, the outer contours of the first semicircular sleeve and the second semicircular sleeve are respectively attached to the bearing grooves of the external special templates, one end of the first semicircular sleeve is contacted with one end of the second semicircular sleeve, and then the internal special templates are attached to the inner contours of the first semicircular sleeve and the second semicircular sleeve; then welding at the contact position of the first semicircular sleeve and the second semicircular sleeve;
Boring the semicircular sleeve in a sectional manner;
Mounting the bored semicircle sleeve on the stern in a sectioning way;
Prefabricating a locker;
Finish machining is carried out on the filling plate in the semicircular sleeve of the locker;
and assembling the locker and the stern part and sectionally assembling the locker and the semicircular sleeve.
2. The method for constructing the rocker arm hinge member of the jacket launch barge according to claim 1, wherein the method comprises the following steps: and sequentially placing the semicircular sleeve and the components of the support on a special sectional jig frame for welding and fixing to form semicircular sleeve sections.
3. The method for constructing the rocker arm hinge member of the jacket launch barge according to claim 2, wherein: the sectional jig comprises a plurality of sectional special templates and a plurality of stand columns, wherein the stand columns are uniformly distributed and fixed on the ground, the sectional special templates are parallelly fixed on the stand columns, the upper surface of the sectional special templates comprises a first inclined surface, a middle convex arc surface and a second inclined surface which are sequentially connected, the middle convex arc surface is identical with the inner surface of the semicircular sleeve, the first inclined surface and the second inclined surface are inclined from the outer side to the middle convex arc surface, and the support comprises a first straight plate, a first reinforcing rib, a second straight plate, a third straight plate and a second reinforcing rib.
4. A method of constructing a jacket launch barge rocker arm hinge according to claim 3, wherein: firstly, hoisting the semicircular sleeve onto the sectional jig frame, enabling the inner surface of the semicircular sleeve to be attached to the middle convex arc surface of the sectional special template, placing the first straight plate on the second inclined surface, and welding and fixing one end of the first straight plate with the edge of the outer surface of the semicircular sleeve; then one end of the first reinforcing rib is welded and fixed with the outer surface of the semicircular sleeve, and one side of the first reinforcing rib is welded and fixed with one side of the first straight plate; then one end of the second straight plate is welded and fixed with the outer surface of the semicircular sleeve, and one side of the second straight plate is welded and fixed with one side of the first reinforcing rib; then, placing the third straight plate on the first inclined surface, and welding and fixing one end of the third straight plate with the other edge of the outer surface of the semicircular sleeve; and finally, welding and fixing one side of the second reinforcing rib with one side of the third straight plate, and welding and fixing the other side of the second reinforcing rib with one side of the second straight plate.
5. The method for constructing the rocker arm hinge member of the jacket launch barge according to claim 1, wherein the method comprises the following steps: the method for mounting the semicircular sleeve on the stern in a segmented manner comprises the following steps: drawing projection lines of the center line of the rotating shaft and inspection lines of the sectional folding ports on the semicircular sleeve sections; drawing a rocker center line, a stern rotating shaft center line and a stern folding port inspection line on a stern; when the ship stern folding device is assembled, the perpendicular line of the projection line of the central line of the rotating shaft is overlapped with the projection line of the longitudinal wall of the stern side, where the central line of the rotating shaft of the stern falls, and the sectional folding opening inspection line is parallel to the stern folding opening inspection line.
6. A method of constructing a jacket launch barge rocker arm hinge according to claim 3, wherein: the semicircular sleeve segments are painted with paint.
7. The method for constructing the rocker arm hinge member of the jacket launch barge according to claim 1, wherein the method comprises the following steps: the locker, the stern and the semicircular sleeve are segmented, fixed in a welding mode, errors are measured every two hours in the welding process, and each deviation value is not more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607497.8A CN114906293B (en) | 2022-05-31 | 2022-05-31 | Method for constructing rocker arm hinge piece of jacket launching barge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607497.8A CN114906293B (en) | 2022-05-31 | 2022-05-31 | Method for constructing rocker arm hinge piece of jacket launching barge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114906293A CN114906293A (en) | 2022-08-16 |
| CN114906293B true CN114906293B (en) | 2024-05-17 |
Family
ID=82770248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210607497.8A Active CN114906293B (en) | 2022-05-31 | 2022-05-31 | Method for constructing rocker arm hinge piece of jacket launching barge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114906293B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651667A (en) * | 1983-12-19 | 1987-03-24 | Mcdermott International, Inc. | Articulated barge for towing and launching offshore structures |
| CN201313621Y (en) * | 2008-12-12 | 2009-09-23 | 中国海洋石油总公司 | Automatically turned and restored rocker |
| CN103552664A (en) * | 2013-11-18 | 2014-02-05 | 广州中船黄埔造船有限公司 | Barge rocker arm device for launching jacket |
| CN104859791A (en) * | 2015-06-12 | 2015-08-26 | 中船黄埔文冲船舶有限公司 | Manufacturing method of launching barge rocker arm hinged support |
| CN104890813A (en) * | 2015-06-10 | 2015-09-09 | 中船黄埔文冲船舶有限公司 | Manufacturing method of semicircular sleeve of launching barge |
| CN104890824A (en) * | 2015-06-10 | 2015-09-09 | 中船黄埔文冲船舶有限公司 | Rocker overturning testing method for jacket launching barge |
| CN104986296A (en) * | 2015-06-12 | 2015-10-21 | 中船黄埔文冲船舶有限公司 | Self-turning return rocker arm launching operation method |
| CN108502115A (en) * | 2018-04-18 | 2018-09-07 | 天津艾孚森科技发展有限公司 | A kind of launching barge rocking arm self-return operational method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8181588B2 (en) * | 2009-10-25 | 2012-05-22 | China National Offshore Oil Corp. | Automatic reversing-reposition rocker arm |
-
2022
- 2022-05-31 CN CN202210607497.8A patent/CN114906293B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651667A (en) * | 1983-12-19 | 1987-03-24 | Mcdermott International, Inc. | Articulated barge for towing and launching offshore structures |
| CN201313621Y (en) * | 2008-12-12 | 2009-09-23 | 中国海洋石油总公司 | Automatically turned and restored rocker |
| CN103552664A (en) * | 2013-11-18 | 2014-02-05 | 广州中船黄埔造船有限公司 | Barge rocker arm device for launching jacket |
| CN104890813A (en) * | 2015-06-10 | 2015-09-09 | 中船黄埔文冲船舶有限公司 | Manufacturing method of semicircular sleeve of launching barge |
| CN104890824A (en) * | 2015-06-10 | 2015-09-09 | 中船黄埔文冲船舶有限公司 | Rocker overturning testing method for jacket launching barge |
| CN104859791A (en) * | 2015-06-12 | 2015-08-26 | 中船黄埔文冲船舶有限公司 | Manufacturing method of launching barge rocker arm hinged support |
| CN104986296A (en) * | 2015-06-12 | 2015-10-21 | 中船黄埔文冲船舶有限公司 | Self-turning return rocker arm launching operation method |
| CN108502115A (en) * | 2018-04-18 | 2018-09-07 | 天津艾孚森科技发展有限公司 | A kind of launching barge rocking arm self-return operational method |
Non-Patent Citations (1)
| Title |
|---|
| 导管架下水驳船摇臂运动研究;徐慧;黄衍顺;李智博;樊之夏;袁汝华;;海洋工程(第02期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114906293A (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111532379B (en) | Ship anchor platform structure and processing method thereof | |
| CN111619757A (en) | Installation precision control method for C-shaped saddle of LNG filling ship | |
| CN114083242A (en) | Manufacturing method of large-diameter thin-wall suction cylinder body of offshore wind power | |
| CN114906293B (en) | Method for constructing rocker arm hinge piece of jacket launching barge | |
| CN113148058B (en) | Process for installing and positioning double rudder sleeve and tail casting in stage of sectional construction | |
| CN108894580B (en) | Construction process of flare tower | |
| CN110480200B (en) | Method for manufacturing structural member of rotary table of crane | |
| CN111619756A (en) | Method for controlling structural deformation and precision in LNG filling ship construction | |
| CN209891544U (en) | Large-diameter steel pipe dome ring beam | |
| CN111604643B (en) | Manufacturing and mounting process of crane upright column for ship and ocean engineering | |
| CN112605620B (en) | Method for machining upper chord of warrior truss with vertical rods | |
| CN113320659B (en) | Method for assembling flange and barrel of double-angle steering oar of ship | |
| CN114620202A (en) | Novel deck installation process for offshore floating wind power platform | |
| CN107695550B (en) | Processing method of truss type arm support | |
| CN115709786A (en) | Method for installing and positioning rocker arm and hinge piece of jacket launching barge | |
| TWI515354B (en) | Method for constructing cylindrical tank | |
| CN108857254B (en) | Jig frame for manufacturing ship flow guide pipe | |
| CN115140268B (en) | Manufacturing and mounting method for double-fuel ship liquid tank saddle split | |
| CN113070598B (en) | Manufacturing and mounting method of oil transportation platform I-shaped pipe under FPSO | |
| CN115319425B (en) | Quick positioning method for large crane cylinder | |
| CN215925714U (en) | Construction tool for integral vertical rotation of steel tower | |
| CN110871328A (en) | Manufacturing process of ultra-large rail crane girder structure | |
| CN219818589U (en) | Quick assembly positioning structure for thin-wall main pipe branch pipe and exhaust pipeline | |
| CN116552735A (en) | Construction method of ship saddle | |
| CN118083073A (en) | Construction method of double-shaft Kong Wei shaft housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |