CN115230906A - Method for mounting first anchor hawse pipe - Google Patents
Method for mounting first anchor hawse pipe Download PDFInfo
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- CN115230906A CN115230906A CN202210953402.8A CN202210953402A CN115230906A CN 115230906 A CN115230906 A CN 115230906A CN 202210953402 A CN202210953402 A CN 202210953402A CN 115230906 A CN115230906 A CN 115230906A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 21
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 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
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- 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
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
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- 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
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- Mechanical Engineering (AREA)
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- Transportation (AREA)
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a method for installing a first anchor hawse pipe, which comprises the steps of manufacturing a stem segment, folding the stem segment and a deck segment, pre-assembling the first anchor hawse pipe and an anchor lip, positioning the first anchor hawse pipe, hoisting the first anchor hawse pipe and the like.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for installing a first anchor hawse pipe.
Background
The installation process of the anchor chain barrel of the first anchor of the ship bow section is complex, the requirement on installation precision is high, the installation needs to be matched with a ship body structure in the section, and the section manufacturing period is greatly influenced.
In the prior art, a part of first anchor hawse pipe installation method is to divide a hawse pipe into an upper part and a lower part for installation, and in an installation method for pre-installing an anchor platform, an anchor lip and a hawse pipe segment in patent 201410225992.8, the hawse pipe is broken along a normal line to form an upper hawse pipe and a lower hawse pipe, and the lower hawse pipe and the upper hawse pipe are butted for installation when the segments are assembled in a total group, so that the installation precision of the first anchor hawse pipe cannot meet the requirement. In order to solve the problems, the method is intended to research an installation method of the first anchor hawse pipe, and installation accuracy of the first anchor hawse pipe is ensured through staged construction operation.
Disclosure of Invention
The invention provides an installation process of a first anchor hawse pipe, which can ensure the installation precision of the first anchor hawse pipe and shorten the segmental construction period.
In order to achieve the purpose, the invention adopts the following technical scheme:
the method for installing the first anchor hawse pipe comprises the steps of manufacturing a stem segment, folding the stem segment and a deck segment, pre-installing the first anchor hawse pipe and an anchor lip, positioning the first anchor hawse pipe and hoisting the first anchor hawse pipe, and specifically comprises the following steps:
s1, manufacturing stem segments, including stem jig manufacturing, stem plate frame assembling and welding,
the method comprises the steps of manufacturing a stem jig, firstly marking a jig center line and a position line of each tire plate on the ground, erecting a jig upright post and installing a tire plate, plugging the ground jig center line onto each tire plate, then placing a jig sample plate according to the height H1 of a stem tangent line, the height H2 of the stem center line and the jig center line, marking the stem line of each tire plate according to the design of the stem line, cutting the line by using a cutting knife, and finally polishing the cut edge of the tire plate;
assembling and welding a stem plate framework, after a stem jig frame is manufactured, paving a stem plate, aligning and positioning a center line on the stem plate according to a drawing and a stem center line of the stem jig frame, sequentially marking a transverse and longitudinal framework mounting line and a mounting line of a head hole upper plate on the stem plate according to a marking size of the stem platform framework provided by the drawing, assembling and welding, and manufacturing stem segments; knocking out ocean punching marks of the stem center line at the upper opening and the lower opening of the non-framework surface of the stem plate;
s2, folding the stem segment and the deck segment, vertically positioning the stem segment and the deck segment 2 according to drawing requirements, transversely positioning and longitudinally positioning, welding, positioning and constraining welding between the stem segment and the deck segment after the deck segment of the stem segment is folded and positioned, and folding the stem segment and the deck segment to form a head anchor hawse pipe segment;
s3, preassembling a first anchor chain cylinder and an anchor lip, wherein a first anchor chain cylinder body is arranged in the first anchor chain cylinder, a central line is found on the first anchor chain cylinder body and subjected to ocean punching, a central line is found on a steel casting of the anchor lip and subjected to ocean punching, the first anchor chain cylinder body is aligned with the central line of the anchor lip and then assembled and welded, and the welding is symmetrical and welded by taking a cylinder shaft as a center;
s4, positioning the first anchor hawse pipe, namely, according to a design drawing that the first anchor hawse pipe penetrates through the center of the hole of the stem plate and the center of the hole of the deck, penetrating the center through a lead wire and fixing, wherein the position of the lead wire is the center line of the first anchor hawse pipe, and after the outer diameter of the first anchor hawse pipe is removed by taking the lead wire as a reference, a limiting track for downward sliding of the hawse pipe is installed at the position of the upper opening of the hawse pipe, and the positioning of the first anchor hawse pipe on the closed hawse pipe section is completed;
and S5, installing a first anchor chain cylinder, marking out the intersecting line of the first anchor chain cylinder penetrating through a stem column plate, a first anchor recess upper plate and a deck section according to the lofting unfolded intersecting line and the center of the stem column section and the deck section through which a lead wire penetrates, forming a through hole along the intersecting line, enabling the anchor chain cylinder to penetrate through the hole center of the stem column plate and the through hole penetrating through the hole center of the deck along the first anchor chain cylinder, hanging the anchor chain cylinder into the anchor chain cylinder section, moving the first anchor chain cylinder downwards along a limiting track by adopting a chain block matched with a crane during hanging, adjusting the rotating angle of the first anchor chain cylinder, installing other parts connected with the anchor chain cylinder after the first anchor chain cylinder is hung, completing structural welding, and completing the installation of the first anchor chain cylinder.
The invention relates to a method for installing a first anchor hawse pipe, in S1, a stem segment is manufactured in a side manufacturing mode, and a jig frame is a jig plate type jig frame.
In S2, the transverse positioning of the stem segment is performed by adopting a laser theodolite to detect that the center of the stem segment coincides with the centers of the upper opening and the lower opening of the stem, and the longitudinal positioning is performed according to the horizontal dimension L of the stem lower opening and the rib inspection line provided by a drawing.
In S2, the shrinkage amount of 3-5 mm is reserved in advance from the lower opening of a stem segment to the head direction along the longitudinal direction in the direction of the shrinkage of a welding line.
The invention relates to an installation method of a first anchor hawse pipe, in S2, a transverse diagonal brace is arranged between a stem segment and the ground for reinforcement, and a longitudinal diagonal brace is arranged between the stem segment and a segmented deck for reinforcement.
In S3, dirt such as oil rust water and the like in the range of 30mm at two ends of a groove is removed before a first anchor hawse pipe body and an anchor lip are welded, the periphery of the groove is preheated before welding, and multilayer multi-pass welding is adopted for welding.
In S3, the deviation between the center of the cylinder body of the first anchor hawse pipe and the center of the anchor lip is within the range of 0-2mm, and the deviation between the concentricity of the cylinder body of the hawse pipe and the anchor lip is within the range of 0-2 mm.
In S4, an included angle A between the center line of the first anchor hawse pipe and a horizontal line meets the angle requirement of a design drawing.
In S5, the deviation of the center of the first anchor chain cylinder and the center of the subsection is within the range of 0-2mm, and the deviation of the installation angle of the anchor chain cylinder is within the range of 0-0.04 degrees.
Based on the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the method for installing the first anchor hawse pipe, the stem segments are manufactured independently, construction operation is performed in stages, assembling and welding operation is more convenient, and accuracy of the stem segments after assembling and welding is more beneficial to control.
2. According to the mounting method of the first anchor hawse pipe, the first anchor hawse pipe and the anchor lip are independently assembled and welded, welding operation is facilitated, and welding in a narrow space is avoided.
3. The invention relates to a method for installing a first anchor hawse pipe, and provides a method for installing the hawse pipe on a subsection conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic projection view of a stem jig for the method of installing a head anchor hawse pipe according to the present invention.
Fig. 2 is a schematic cross-sectional view of a stem jig for a method of installing a head anchor hawse pipe according to the present invention.
FIG. 3 is a schematic view of a stem segment structure of the method for installing the anchor chain tube of the first anchor of the present invention
FIG. 4 is a schematic view of the stem segment and segment closure of the method of installing the anchor chain barrel of the head anchor of the present invention
FIG. 5 is a schematic view of the positioning of the stem and anchor chain case segment folding of the method for installing the anchor chain case of the first anchor
Fig. 6 is a schematic view of an anchor chain case and an anchor lip of a method of installing a first anchor chain case of the present invention.
FIG. 7 is a schematic view of the sequence of welding the anchor chain barrel and the anchor lip of the method of installing the first anchor chain barrel of the present invention
FIG. 8 is a schematic view of the center positioning of the stem and deck openings of the method of installing the first anchor hawse pipe of the present invention
FIG. 9 is a schematic view of the overall structure of the installation process of the first anchor hawse pipe of the present invention
The reference numbers in the figures denote:
1-stem segment, 2-deck segment, 3-head anchor hawse pipe, 4-anchor lip, 5-stem jig center line, 6-bed plate position line, 7-stem center line, 8-bow tangent line, 9-stem plate, 10-head anchor cave plate, 11-head anchor hawse pipe, 12-center hole of stem plate, 13-deck segment center hole, 14-head anchor hawse pipe center line, 15-limit track, H1-bow tangent line height, H2-stem center line height;
c, the center of the anchor chain cylinder section of the first anchor is superposed with the centers of the upper opening and the lower opening of the stem;
l-the horizontal dimension of the stem lower opening and the rib inspection line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The following describes in detail a specific embodiment of the present invention with reference to the drawings and examples.
A method for installing the anchor chain tube of the first anchor is suitable for the segment construction of the bow of the ship body, and is characterized in that the method comprises the steps of manufacturing a stem segment 1, folding the stem segment 1 with a deck segment 2, pre-assembling the anchor chain tube 3 with an anchor lip 4, positioning the anchor chain tube 3 and hoisting the anchor chain tube 3, and the step-by-step construction operation of manufacturing the stem segment, folding the stem segment with the segment, welding the anchor chain tube with the anchor lip, positioning the anchor chain tube and positioning and installing the anchor chain tube of the first anchor is carried out, so that the installation accuracy of the anchor chain tube of the first anchor is ensured.
In order to facilitate practical application, the first anchor hawse pipe specifically comprises the following steps:
s1, manufacturing stem segments, including stem jig manufacturing, stem plate frame assembling and welding,
firstly marking a jig frame central line 5 and a jig plate position line 6 of each grade on the ground, erecting a jig frame upright post and installing a jig plate, plugging the jig frame central line 5 on the ground onto each grade of jig plate, then placing a jig frame sample plate according to a bow tangent line height H1, a stem central line height H2 and the jig frame central line 5, marking a stem line type of each grade of jig plate according to the design of the stem line type, using a cutting knife to cut the line type, and finally polishing and smoothing the cut edges of the jig plate;
assembling and welding a stem plate framework, after a stem jig frame is manufactured, paving a stem plate 9, aligning and positioning a center line on the stem plate 9 according to a drawing and a stem center line of the stem jig frame, sequentially scribing a transverse and longitudinal framework mounting line and a mounting line of a head hole upper plate 10 on the stem plate 9 according to a scribing size of the stem platform framework provided by the drawing, assembling and welding, and manufacturing a stem segment 1; and knocking out ocean punching marks of the stem center line 7 at the upper and lower openings of the non-framework surface of the stem plate 9;
s2, folding the stem section 1 and the deck section 2, vertically positioning the stem section 1 and the deck section 2 according to the drawing requirements, transversely positioning and longitudinally positioning, welding, positioning and constraining welding between the stem section 1 and the deck section after the stem section 1 and the deck section 2 are folded and positioned, and completing folding of the stem section 1 and the deck section 2;
s3, preassembling the first anchor chain cylinder 3 and the anchor lip 4, arranging a first anchor chain cylinder body 11 in the first anchor chain cylinder, finding a central line on the first anchor chain cylinder body 11 and performing ocean punching, finding a central line on a steel casting of the anchor lip 4 and performing ocean punching, aligning the first anchor chain cylinder body 11 with the central line of the anchor lip 4, and then assembling and welding;
s4, positioning the first anchor hawse pipe 3, namely, according to the design drawing that the first anchor hawse pipe penetrates through a stem plate center hole 12 and a deck center hole 13, a lead wire penetrates through the center of the first anchor hawse pipe and is fixed, the position of the lead wire is the center line 14 of the first anchor hawse pipe, the diameter of the first anchor hawse pipe is removed by taking the lead wire as a reference, a limiting track 15 for downward sliding of the hawse pipe is arranged at the position of an upper opening of the hawse pipe, and the positioning of the first anchor hawse pipe 3 on the folded hawse pipe section is completed;
s5, installing the first anchor chain cylinder, marking out the intersecting line of the first anchor chain cylinder penetrating through a stem plate 9, a first anchor cave upper plate 10 and a deck section 2 according to the intersecting line of lofting and unfolding and the center of the stem section 1 and the deck section 2 through which a lead wire penetrates, forming a through hole along the intersecting line, hanging the first anchor chain cylinder into the anchor chain cylinder section through a stem plate center hole 12 and a through hole penetrating through a center hole 13 of the deck, moving the first anchor chain cylinder downwards along a limiting rail 15 by adopting a chain block matched with a crane during hanging, adjusting the rotating angle of the first anchor chain cylinder 3, installing other parts connected with the anchor chain cylinder after the first anchor chain cylinder is hung, completing structural welding and completing the installation of the first anchor chain cylinder.
The stem segment is manufactured on a bed-jig type bed-jig in a side manufacturing mode, as shown in figures 1-3, the center line of the bed-jig and the position line of each bed-jig are marked on the ground, the upright post of the bed-jig is erected, and the bed-jig is installed. The center line of the ground jig frame is connected to each tire plate, a jig frame sample plate is placed according to the height H1 of a bow tangent line, the height H2 of a stem center line and the center line of the jig frame, the stem line type of each tire plate is marked, a cutting knife is used for cutting out the line type, and finally the cut edge of the tire plate is polished smoothly. And after the stem jig frame is manufactured, paving a stem plate 9. And according to the center line marked in the processing stage on the stem plate 9, aligning and positioning with the stem center line of the stem jig, then according to the marking size of the stem platform framework provided by the drawing, marking a framework installation line on the stem plate in sequence, and assembling and welding the framework to finish the manufacture of stem segments. Before the stem segment is stripped, the ocean punching marks at the center of the stem are knocked out at the upper and lower openings of the non-framework surface of the stem plate.
Before the outer plates of the segments are pasted, the stem segments and the segments are folded, and as shown in the figure 4-5, the stem segments 1 are positioned according to the positioning size and the segments of the drawing: the positioning is carried out by aligning the position lines of the segmented deck 2 and the stem segment 1 vertically, the positioning is carried out by detecting the coincidence C of the segmented center and the upper and lower opening centers of the stem segment 1 transversely by adopting a laser theodolite, namely, the stem plate exceeds the oblique length dimension of the segmented deck, the positioning is carried out longitudinally according to the horizontal dimension L of the lower opening and the rib inspection line of the stem segment 1 provided by a drawing, and the welding shrinkage reverse deformation of 3-5 mm is properly added to the stem segment 1 along the longitudinal direction in consideration of the welding shrinkage. After the stem segment 1 is closed and positioned, welding, positioning and constraint welding are carried out between the closed segments, a transverse diagonal brace is arranged between the stem segment and the ground for reinforcement, and a longitudinal diagonal brace is arranged between the stem segment and the segmented deck for reinforcement
As shown in fig. 6-7, the center line ocean-rush is found out on the first anchor chain cylinder 11, the center line ocean-rush is found out on the steel casting of the anchor lip 4, and the first anchor chain cylinder 11 is assembled and welded after being aligned with the center line of the anchor lip 4. Dirt such as oil rust water and the like in the range of 30mm at the two ends of the groove is removed before welding, and the welding bead is ensured to be clean; preheating the periphery of the groove before welding; and the welding adopts multilayer multi-pass welding, the welding stuffing shortage is detected after one layer is welded, the repair is carried out in time, and then the next welding is carried out, so that the welding quality is ensured. And reserving the shrinkage in the shrinkage direction of the welding line to ensure that the welded component meets the required size, wherein the welding sequence is 22-33-44-55.
As shown in fig. 8-9, according to the position of the head anchor hawse pipe 3 passing through the center 12 of the opening of the stem plate and the position of the opening center 13 of the deck in the drawings, the center points of the openings are cut on the stem plate 9, the head anchor recess upper plate 10 and the deck 2 respectively, and lead wires pass through the centers and are fixed, wherein the position of the lead wires is the center line 14 of the head anchor hawse pipe. The method comprises the following steps of (1) detecting whether an included angle A between a lead wire and a horizontal line meets the angle requirement of a drawing by using tools such as a horizontal ruler, an angle ruler and the like, wherein the included angle between a first anchor chain cylinder and the horizontal line is 30-40 degrees, after the angle meets the requirement, the diameter of the first anchor chain cylinder after the outer diameter of the first anchor chain cylinder is removed by using the lead wire as a reference, the upper opening position of the first anchor chain cylinder is made, and a limiting track for downward sliding of the anchor chain cylinder is installed and reinforced at the position; removing the steel wires, drawing out the intersecting lines of the hawse pipe, the stem plate, the head anchor recess upper plate 10 and the like according to the intersecting lines of lofting and unfolding and the center through which the lead wires pass, cutting along the intersecting lines, and then polishing the cutting edges. And (3) hoisting the first anchor hawse pipe into the subsection along the through hole, slowly moving the first anchor hawse pipe downwards along the limiting track 15 by adopting a chain block matched with a crane during hoisting, and adjusting the rotation angle of the first anchor hawse pipe to ensure that the central line 14 of the first anchor hawse pipe is consistent with the central line of the deck subsection and the central line of the stem fragment. And after the first anchor hawse pipe is positioned, installing other parts connected with the first anchor hawse pipe, completing structural welding, and completing the installation of the first anchor hawse pipe.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The method for installing the first anchor hawse pipe is characterized by comprising the steps of manufacturing a stem segment (1), folding the stem segment (1) and a deck segment (2), pre-installing the first anchor hawse pipe (3) and an anchor lip (4), positioning the first anchor hawse pipe (3), hoisting the first anchor hawse pipe (3) and the like, and specifically comprises the following steps:
s1, manufacturing stem segments, including stem jig manufacturing, stem plate frame assembling and welding,
when a stem jig is manufactured, marking a jig central line (5) and each jig plate position line (6) on the ground, erecting a jig frame upright column and installing a jig plate, plugging the ground jig central line (5) onto each jig plate, placing a jig frame sample plate according to the bow tangent line height H1, the stem central line height H2 and the jig frame central line (5), marking the stem line type of each jig plate according to the design of the stem line type, cutting the line type by using a cutting knife, and polishing and smoothing the cut edges of the jig plates;
during assembly and welding of a frame of a stem plate (9), after a stem jig is manufactured, paving the stem plate (9), aligning and positioning a center line on the paper stem plate (9) with a stem center line (7) of the stem jig, sequentially marking a horizontal and longitudinal frame mounting line and a mounting line of a head hole upper plate (10) on the stem plate (9) according to a marking size of a stem platform frame provided by a drawing, assembling and welding, and knocking out ocean punching marks of the stem center line (7) at positions of an upper opening and a lower opening of a non-frame surface of the stem plate (9) after the manufacture of a stem piece (1) is completed;
s2, folding the stem segment (1) and the deck segment (2), respectively performing vertical positioning, transverse positioning and longitudinal positioning on the stem segment (1) and the deck segment (2) according to drawing requirements, welding, positioning and constraining welding between the stem segment (1) and the deck segment (2) after the stem segment (1) and the deck segment (2) are folded and positioned, and completing folding of the stem segment (1) and the deck segment (2) to form a first anchor chain drum segment;
s3, preassembling the first anchor hawse pipe (3) and the anchor lip (4), arranging a first anchor hawse pipe barrel body (11) in the first anchor hawse pipe (3), finding out a central line on the first anchor hawse pipe barrel body (11) and knocking out a foreign-stroke mark, finding out the central line on a steel casting of the anchor lip (4) and knocking out the foreign-stroke mark, aligning the first anchor hawse pipe barrel body (11) with the central line of the anchor lip (4), and then assembling and welding;
s4, positioning the first anchor hawse pipe (3), according to a design drawing, enabling the first anchor hawse pipe (3) to penetrate through a stem plate center hole (12) and a deck center hole (13), utilizing a lead wire to penetrate through the center of the first anchor hawse pipe and fix the lead wire, enabling the position of the lead wire to be the center line (14) of the first anchor hawse pipe, taking the lead wire as a reference, removing the diameter of the first anchor hawse pipe after the outer diameter of the first anchor hawse pipe is removed, installing a limiting track (15) for downward sliding of the hawse pipe at the upper opening of a stem piece section (2), and completing positioning of the first anchor hawse pipe (3) on the closed hawse pipe section;
s5, installing the first anchor chain cylinder (3), marking out the intersecting line of the first anchor chain cylinder penetrating through a stem plate (9), a first anchor cave upper plate (10) and a deck section (2) according to the lofting unfolded intersecting line and the center of the stem section (1) and the deck section (2) through which a lead wire penetrates, opening a through hole along the intersecting line, penetrating through a stem plate center hole (12) and a through hole penetrating through a center hole (13) of the deck along the first anchor chain cylinder, hoisting the first anchor chain cylinder into the anchor chain cylinder section, moving the first anchor chain cylinder (3) downwards along a limiting rail (15) by adopting a chain block matched with a crane during hoisting, adjusting the rotating angle of the first anchor chain cylinder (3), installing the rest connecting parts with the first anchor chain cylinder (3) after the hoisting of the first anchor chain cylinder (3) is finished, finishing the structural welding and finishing the installation of the first anchor chain cylinder.
2. The method for installing a bow anchor hawse pipe according to claim 1, wherein in S1, the stem segment (1) is manufactured in a side-building manner, and the jig frame is a bed-jig type jig frame.
3. The method for mounting a bow anchor hawse pipe according to claim 1, wherein in S2, the lateral positioning of the stem segment (1) is performed by using a laser theodolite to check that the center of the stem segment coincides with the center of the upper opening and the lower opening of the stem segment (1) by C, and the longitudinal positioning is performed according to the horizontal dimension L of the stem lower opening and the rib inspection line provided by the drawing.
4. The method for installing the bow anchor hawse pipe according to claim 1, wherein in S2, a contraction amount of 3-5 mm is reserved in advance in a longitudinal direction toward a bow direction at a lower mouth of the stem segment (1) according to a direction of weld contraction.
5. A method of installation of a bow anchor hawse pipe in accordance with claim 1 wherein in S2, lateral bracing is provided between the stem segment (1) and the ground, and longitudinal bracing is provided between the stem segment (1) and the deck segment (2).
6. The method for installing the head anchor hawse pipe according to claim 1, wherein in S3, dirt including oil rust water in the range of 30mm at two ends of a groove is removed before the head anchor hawse pipe barrel body (11) and the anchor lip (4) are welded, the periphery of the groove is preheated before welding, and multilayer multi-pass welding is adopted for welding.
7. A method of installing a head anchor hawse pipe according to claim 1, wherein in S3 the deviation of the center of the head anchor hawse pipe barrel (11) from the center of the hawse lip (4) is in the range of 0-2mm, and the deviation of the concentricity of the head anchor hawse pipe barrel (11) and the hawse lip (4) is in the range of 0-2 mm.
8. The method of claim 1, wherein in S4, the angle a between the centerline (14) of the first anchor hawse pipe and the horizontal is in accordance with the design drawing angle requirement, and the angle between the first anchor hawse pipe and the horizontal is in the range of 30 ° to 40 °.
9. A method of installation of a head chain drum according to claim 1, wherein in S5 the deviation of the centre of the head chain drum (3) from the centre of the deck section (2) is in the range of 0-2mm and the deviation of the installation angle of the head chain drum is in the range of 0-0.04 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210953402.8A CN115230906A (en) | 2022-08-10 | 2022-08-10 | Method for mounting first anchor hawse pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210953402.8A CN115230906A (en) | 2022-08-10 | 2022-08-10 | Method for mounting first anchor hawse pipe |
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| CN (1) | CN115230906A (en) |
Citations (6)
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| US8052082B1 (en) * | 2006-07-15 | 2011-11-08 | Edward Charles Herlik | Optimized aerodynamic, propulsion, structural and operations features for lighter-than-air vehicles |
| CN103979073A (en) * | 2014-05-26 | 2014-08-13 | 上海江南长兴重工有限责任公司 | Installation method for segmented pre-installation of anchor table, anchor mouth and hawse pipe |
| CN109204687A (en) * | 2018-08-15 | 2019-01-15 | 招商局重工（江苏）有限公司 | A kind of installation method of chain pipe anchor station anchor lip |
| CN110877682A (en) * | 2019-11-13 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Ship unbalanced anchor lip preassembling process |
| WO2021218202A1 (en) * | 2020-04-28 | 2021-11-04 | 江苏扬子鑫福造船有限公司 | Anchor bed structure of ship and machining method therefor |
| CN113998072A (en) * | 2021-11-30 | 2022-02-01 | 沪东中华造船(集团)有限公司 | Manufacturing and mounting method of standard anchor platform |
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2022
- 2022-08-10 CN CN202210953402.8A patent/CN115230906A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8052082B1 (en) * | 2006-07-15 | 2011-11-08 | Edward Charles Herlik | Optimized aerodynamic, propulsion, structural and operations features for lighter-than-air vehicles |
| CN103979073A (en) * | 2014-05-26 | 2014-08-13 | 上海江南长兴重工有限责任公司 | Installation method for segmented pre-installation of anchor table, anchor mouth and hawse pipe |
| CN109204687A (en) * | 2018-08-15 | 2019-01-15 | 招商局重工（江苏）有限公司 | A kind of installation method of chain pipe anchor station anchor lip |
| CN110877682A (en) * | 2019-11-13 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Ship unbalanced anchor lip preassembling process |
| WO2021218202A1 (en) * | 2020-04-28 | 2021-11-04 | 江苏扬子鑫福造船有限公司 | Anchor bed structure of ship and machining method therefor |
| CN113998072A (en) * | 2021-11-30 | 2022-02-01 | 沪东中华造船(集团)有限公司 | Manufacturing and mounting method of standard anchor platform |
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