CN113998072A - Manufacturing and mounting method of standard anchor platform - Google Patents
Manufacturing and mounting method of standard anchor platform Download PDFInfo
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- CN113998072A CN113998072A CN202111443767.8A CN202111443767A CN113998072A CN 113998072 A CN113998072 A CN 113998072A CN 202111443767 A CN202111443767 A CN 202111443767A CN 113998072 A CN113998072 A CN 113998072A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 31
- 238000013461 design Methods 0.000 claims description 27
- 229920000728 polyester Polymers 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000004080 punching Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 6
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method 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
Abstract
The invention discloses a standard anchor platform manufacturing and mounting process, which comprises the following steps: processing anchor platform parts, manufacturing an anchor platform jig frame, inspecting and positioning an anchor lip, positioning and mounting anchor platform coaming plates and set square plates, coating the inside of an anchor platform and positioning and mounting the anchor platform. The invention provides a standard manufacturing process for manufacturing the standard anchor platform, standardizes anchor platform manufacturing and installing processes, improves the manufacturing and installing efficiency of the standard anchor platform and provides reference experience for manufacturing and installing the standard anchor platform.
Description
Technical Field
The invention relates to ship construction, in particular to a method for manufacturing and installing a standard anchor platform.
Background
The ship anchor is used for anchoring ship and is inserted into sea bottom by means of anchor and anchor chain to fix and stabilize ship in shallow sea and harbor. At present, a plurality of multi-series ships are built in sequence and used as a special ship body structure, and the quality of anchor platform manufacture directly influences later-stage test and delivery of the ships. The basic structure of the anchor platform is shown in figures 1 and 2 and comprises components of a bottom plate, an anchor platform enclosing plate, a triangular plate, an anchor lip and an anchor chain cylinder. The standard anchor block structure comprises a bottom plate, an anchor block coaming, triangular plates, triangular rib plates, an anchor lip and an anchor chain cylinder, wherein the anchor chain cylinder is fixed on a bow part section, a plurality of triangular rib plates are welded between the anchor chain cylinder and a ship hull outer plate to serve as supports, the anchor lip is fixed on one side of the bottom plate, a plurality of triangular plates are arranged on one side, opposite to the anchor lip, of the bottom plate, the periphery of each triangular plate is fixed on the inner side of the anchor block coaming, and the triangular plates and the triangular rib plates are correspondingly arranged after the anchor block structure is installed.
Chinese patent 201310032721.6 discloses an integral manufacturing process of anchor platform of drilling ship and anchor platform structure. The invention discloses an integral manufacturing process of a drill ship anchor platform, which comprises the following steps: step A, manufacturing a jig frame and marking out a jig frame central line and an anchor platform structure installation line on the jig frame; b, marking out a center line and an installation positioning base line of the anchor chain pipe on the prefabricated anchor chain pipe; c, installing an anchor chain pipe on the temporary tool, and calculating an included angle between the anchor chain pipe and the hull plate; and D, making a structural base point on the anchor chain pipe, and installing an anchor platform outer plate and an anchor lip. However, the process aims at a special anchor platform structure, the application range is narrow, the manufacturing process is complicated, and the application and popularization values are not high.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned deficiencies in the prior art and providing a new method of manufacture and installation for a standard anchor platform. The manufacturing and installing method of the invention aims to standardize the manufacturing and installing process of the anchor platform, thereby improving the manufacturing and installing efficiency of the standard anchor platform
In order to achieve the purpose of the invention, the technical scheme provided by the invention patent is as follows:
a standard anchor block manufacturing and installing method is characterized in that the standard anchor block structurally comprises a bottom plate, anchor block enclosing plates, triangular rib plates, anchor lips and an anchor chain cylinder, the anchor chain cylinder is fixed on a bow part section, a plurality of triangular rib plates are welded between the anchor chain cylinder and a ship body outer plate to serve as supports, the anchor lips are fixed on one side of the bottom plate, a plurality of triangular plates are arranged on one side, opposite to the anchor lips, of the bottom plate, the peripheries of the triangular plates are fixed on the inner sides of the anchor block enclosing plates, and the triangular plates and the triangular rib plates are arranged correspondingly after the anchor block structure is installed, and the method comprises the following steps:
firstly, processing anchor platform parts, wherein the anchor platform parts comprise anchor platform coamings, a bottom plate and a triangular plate, each anchor platform coamings are manufactured according to a preset design drawing, after processing, the coamings are closed, the anchor platform coamings to be manufactured are linearly processed, after the design allowance of an upper opening is reserved, the anchor platform coamings are subjected to numerical control cutting blanking, the blanking is sent to a linear processing field, a processing workshop is subjected to secondary processing according to a sample box, after the linear processing of the anchor platform coamings, the coamings are consistent with the linear type of an anchor lip when being closed, after the coamings are trimmed and cut, the coamings are subjected to tapping on a coamings alignment line according to numerical control cutting drawing information, a water color pen marks corresponding letter information, the blanking of the bottom plate is cut according to the preset design drawing information, after the cutting is finished, the upper opening of the bottom plate, a bow reference and the opposite alignment line are tapped according to the numerical control cutting drawing processing information, and are marked by the water color pen, and the triangular plate is cut and blanked according to the preset design drawing requirement, marking the involution line water color pen marks of the set square;
secondly, manufacturing an anchor platform jig frame, namely manufacturing a horizontal jig frame on site by utilizing channel steel and angle iron according to the size and the line type of the anchor platform, and installing a lifting lug on a prefabricated anchor lip and then hoisting and placing the anchor lip on the horizontal jig frame; the anchor lip is placed on the horizontal jig frame in advance, so that anchor platform coamings and the triangular plates can be conveniently installed on site, and meanwhile, preheating equipment can be conveniently installed and preheated during the welding process of the anchor lip on the jig frame;
thirdly, checking and positioning an anchor lip, wherein the anchor lip is a prefabricated steel casting, checking a marine punching point on the anchor lip after the anchor lip steel casting is fed, distinguishing the upper position, the lower position, the bow position, the stern position and the port and starboard positions of the anchor lip according to the marine punching, hoisting a horizontal jig frame after the upper position, the lower position, the bow position and the stern position of the anchor lip are checked, and adjusting the level of the upper end surface of the anchor lip by using a level gauge to reduce the mounting error of a coaming caused by the height difference of the end surface of the anchor lip;
fourthly, positioning and installing an anchor platform coaming plate and a triangular plate, lifting a bottom plate of the anchor platform after the anchor lip is horizontally positioned, adjusting the upper opening reference and the bow reference of the bottom plate to be corresponding to the upper opening reference and the bow reference of the anchor lip, ensuring that the bottom plate corresponds to the line type of an anchor lip steel casting, positioning the triangular plate according to the watercolor pen information of the ocean punching standard on the bottom plate after positioning the bottom plate, adjusting the angle of the triangular plate according to the requirement on the angle information of the triangular plate on a preset design drawing, positioning and installing the manufactured anchor platform coaming plate on the triangular plate and the bottom plate, reversely plugging the joint line information from the frame surface of the anchor platform coaming plate to the smooth surface of the coaming plate on site after positioning and installing the coaming, facilitating the adjustment and positioning after the anchor platform lifts the upper bow part section, and welding the coaming plate and the triangular plate on the site according to a welding node after assembling; the anchor lip is welded and fixed on the bottom plate, the anchor lip and the bottom plate are preheated according to a welding process in the welding process, and the anchor lip and the bottom plate are welded on site to form a whole when the anchor lip is heated to the temperature meeting the welding requirement;
fifthly, coating the interior of the anchor platform, welding the components of the anchor platform according to welding nodes after assembly, polishing and cleaning the welding seam in the anchor platform after welding, coating paint in the anchor platform in advance after polishing and sand washing are performed in place, and performing protection work to avoid damage to the interior paint during later hoisting of the anchor platform;
and sixthly, positioning and installing an anchor platform, wherein the bow section is manufactured in a sectional reverse building mode, a deck is used as a base surface for building a jig frame, an outer plate is segmented and then gathered on the deck, after the bow section is assembled, the outer plate is perforated on site according to the perforation information of the outer plate of the anchor chain cylinder, after the outer plate of the anchor chain cylinder is perforated, the anchor chain pipe is hoisted according to the requirement of a preset design drawing, the manufactured anchor platform is hoisted after the anchor chain pipe is positioned, the anchor platform is positioned according to rib lines, position lines and ocean punching mark information contained in the information of the anchor platform positioning, the upper opening allowance of the anchor platform coaming on the anchor platform is trimmed and cut after the anchor platform is installed and fixed according to the alignment information, and the installation work of the anchor platform is completed.
In the first step, the linear processing of the anchor platform coaming is the key in the anchor platform manufacturing process, the initial design considers that the anchor platform coaming is large in line type, the allowance is reserved on the periphery of the anchor platform coaming, the allowance is designed on two sides of the anchor platform coaming to be 60mm, and the allowance is designed on the upper opening to be 120 mm.
In the first step, in order to avoid trimming and cutting a large amount of anchor platform enclosing plates when being folded, allowance optimization is carried out on the anchor platform enclosing plates, the allowance of the upper opening is reserved when the enclosing plates are subjected to secondary blanking, only one edge of the last enclosing plate is reserved for 60mm, and an adjusting space is ensured when the enclosing plates are folded and the line type of the enclosing plates is adjusted by a fire worker.
In the second step, the anchor lip of the anchor platform has a larger line shape, and the height of the horizontal jig frame manufactured on site is 500 mm.
In the sixth step, the hawse pipe outer plate hole opening information includes: marking waterline and rib position information on polyester paper, marking the waterline and rib position lines on a bow part section in advance on site according to the polyester paper information, after the outer plate hawse pipe is perforated and marked, carrying out three-dimensional measurement on the center of the outer plate of the hawse pipe by using a total station, comparing the three-dimensional measurement with the three-dimensional coordinate of the die hole in a preset design drawing, adjusting according to the measurement result if deviation exists, ensuring the accuracy of the center of the perforated hole, marking the outer plate perforated line type according to the polyester paper after the center of the outer plate perforated hole is determined, and then carrying out smooth surface refute on each rib position line on the outer plate in the perforated center, and marking by knocking the ocean punch.
In the sixth step, the information of the anchor platform positioning comprises: marking an installation position line of the anchor platform coaming plate by using polyester paper on site, wherein the installation position line is a contour line of the anchor platform coaming plate on the outer plate, marking the alignment line information on the outer plate according to the polyester paper, and extending the L, so that the anchor platform can still correspond the alignment line information on the smooth surface of the anchor platform and the alignment line foreign-punching information marked after the L is extended on the outer plate after reversely buckling on the outer plate, and the anchor platform is convenient to hoist and reversely buckle on the bow part section and then perform alignment adjustment.
Based on the technical scheme, compared with the prior art, the manufacturing and installing method of the standard anchor platform has the following technical advantages:
1. the manufacturing and mounting method of the standard anchor platform of the invention manufactures the components of the anchor platform in advance in a classified manner, ensures the processing precision, reserves the processing allowance as small as possible, and ensures that the manufacture is more standardized.
2. According to the manufacturing and installing method of the standard anchor platform, the special jig tool is prepared, so that the anchor lip, the bottom plate and the coaming are hoisted in sequence, the operation process is standardized, the internal paint is prepared in advance, and the problems that the paint is not in place after the installation is finished and the like are avoided.
3. The invention provides a standard manufacturing process for manufacturing the standard anchor platform, standardizes anchor platform manufacturing and installing processes, improves the manufacturing and installing efficiency of the standard anchor platform and provides reference experience for manufacturing and installing the standard anchor platform.
Drawings
Figure 1 is a schematic view of the structure and installation location of a standard anchor block.
FIG. 2 is a schematic diagram of the components and positions of a standard anchor block
Fig. 3 is a flow chart of the operation of a method of manufacturing and installing a standard anchor block of the present invention.
Detailed Description
The following description will be made with reference to the accompanying drawings and specific examples to illustrate a specific implementation of the method for manufacturing and installing a standard anchorage plate according to the present invention, but the scope of the present invention is not limited thereto.
As shown in fig. 1 and 2, the standard anchor platform structure comprises a bottom plate 5, an anchor platform coaming 1, a triangular plate (a 1 and B1 in fig. 2), a triangular rib plate (A, B in fig. 2), an anchor lip 2 and an anchor chain tube 3, wherein the anchor chain tube 3 is fixed on a bow section 6, a plurality of triangular rib plates (A, B in fig. 2) are welded between the anchor chain tube 6 and a hull outer plate 4 of the bow section 6 as supports, the anchor lip 2 is fixed on one side of the bottom plate 5, a plurality of triangular plates (a 1 and B1 in fig. 2) are arranged on the opposite side of the anchor lip 2 on the bottom plate 5, the peripheries of the triangular plates (a 1 and B1 in fig. 2) are fixed on the inner side of the anchor platform coaming 1, and the triangular rib plates (a 1 and B1 in fig. 2) and the triangular rib plate (A, B in fig. 2) are correspondingly arranged after the anchor platform structure is installed.
After the hull outer plate and the deck of the bow section of the ship are provided with holes, the holes in the deck and the holes in the outer plate are positioned on the same straight line, the hawse pipe 3 is inserted into the bow section 6 from the hole of the outer plate on the hull outer plate 4, the assembly node of the hawse pipe 3 and the deck is adjusted, a plurality of triangular ribbed plates (A, B in figure 2) are designed between the hull outer plate 4 and the hawse pipe 3 to serve as reinforcing toggle plates, and the hawse pipes are correspondingly installed according to the marking information of the hull outer plate 4 and the hawse pipe 3.
As shown in fig. 2, in the assembly process of the anchor platform, two sets of the triangular plates are involved, one set is the triangular plate of the anchor platform, and the triangular plate is welded with the bottom plate of the anchor platform and the anchor cylinder enclosing plate and is one of the components of the anchor platform; the other set of the triangular plate is welded with the outer plate and the hawse pipe and is used as a reinforcing triangular plate of the hawse pipe and a triangular rib plate. The two sets of the set squares correspond up and down, and extremely high installation angles and installation sizes of the two sets of the set squares are required.
The invention relates to a method for manufacturing and installing a standard anchor platform, which comprises the steps of taking an anchor lip steel casting as a base, assembling a bottom plate, and then assembling a triangular plate and an anchor platform enclosing plate. The assembled anchor platform is hoisted to the bow section as a whole, and the method comprises the following steps:
firstly, processing anchor platform parts, wherein the anchor platform parts comprise anchor platform coamings, a bottom plate and a triangular plate, each anchor platform coamings are manufactured according to a preset design drawing, after processing, the coamings are closed, the anchor platform coamings to be manufactured are linearly processed, after the design allowance of an upper opening is reserved, the anchor platform coamings are subjected to numerical control cutting blanking, the blanking is sent to a linear processing field, a processing workshop is subjected to secondary processing according to a sample box, after the linear processing of the anchor platform coamings, the coamings are consistent with the linear type of an anchor lip when being closed, after the coamings are trimmed and cut, the coamings are subjected to tapping on a coamings alignment line according to numerical control cutting drawing information, a water color pen marks corresponding letter information, the blanking of the bottom plate is cut according to the preset design drawing information, after the cutting is finished, the upper opening of the bottom plate, a bow reference and the opposite alignment line are tapped according to the numerical control cutting drawing processing information, and are marked by the water color pen, and the triangular plate is cut and blanked according to the preset design drawing requirement, and the matching line water color pen marks of the set square. The linear machining of the anchor platform coaming is the key in the anchor platform manufacturing process, the initial design considers that the anchor platform coaming is large in line type, the allowance is reserved on the periphery of the anchor platform coaming, the allowance is 60mm on two sides of the anchor platform coaming, and the allowance is 120mm on the upper opening. In order to avoid trimming and cutting a large number of anchor platform enclosing plates during folding, allowance optimization is carried out on the anchor platform enclosing plates, the allowance of the upper opening is reserved during secondary blanking of the enclosing plates, only one edge of the last enclosing plate is reserved for 60mm, and an adjusting space is reserved when the enclosing plates are folded and the line type of the enclosing plates is adjusted by a fire worker.
Secondly, manufacturing an anchor platform jig frame, namely manufacturing a horizontal jig frame on site by utilizing channel steel and angle iron according to the size and the line type of the anchor platform, and installing a lifting lug on a prefabricated anchor lip and then hoisting and placing the anchor lip on the horizontal jig frame; the anchor lip is placed on the horizontal jig frame in advance, so that anchor platform coamings and the triangular plates can be conveniently installed on site, meanwhile, preheating equipment can be conveniently installed and preheated in the welding process of the anchor lip on the jig frame, the anchor lip of the anchor platform is large in line shape, and the height of the horizontal jig frame manufactured on site is 500 mm. Thus, after the anchor lip is placed on the horizontal jig frame, welding and preheating operation before welding are facilitated.
Thirdly, checking and positioning an anchor lip, wherein the anchor lip is a prefabricated steel casting, checking a marine punching point on the anchor lip after the anchor lip steel casting is fed, distinguishing the upper position, the lower position, the bow position, the stern position and the port and starboard positions of the anchor lip according to the marine punching, hoisting a horizontal jig frame after the upper position, the lower position, the bow position and the stern position of the anchor lip are checked, and adjusting the level of the upper end surface of the anchor lip by using a level gauge to reduce the mounting error of a coaming caused by the height difference of the end surface of the anchor lip;
fourthly, positioning and installing an anchor platform coaming plate and an elbow plate, lifting a bottom plate of the anchor platform after the anchor lip is horizontally positioned, adjusting the upper opening reference and the bow reference of the bottom plate to be corresponding to the upper opening reference and the bow reference of the anchor lip, ensuring that the bottom plate corresponds to the line type of an anchor lip steel casting, positioning the triangle plate according to the watercolor pen information of the ocean punching standard on the bottom plate after positioning the bottom plate, manufacturing a frame by using the triangle plate as a rib plate, adjusting the angle of the triangle plate according to the angle information requirement of the triangle plate on a preset design drawing, positioning and installing the manufactured anchor platform coaming plate on the triangle plate and the bottom plate, reversely plugging line information from the framework surface of the anchor platform coaming plate to the smooth surface of the coaming plate on site after positioning and installing the coaming plate, facilitating the adjustment and positioning after the anchor platform is lifted by a bow part, and welding the coaming plate and the triangle plate on site according to a welding node after the assembly is finished; the anchor lip is welded and fixed on the bottom plate, the anchor lip and the bottom plate are preheated according to a welding process in the welding process, and the anchor lip and the bottom plate are welded on site to form a whole when the anchor lip is heated to the temperature meeting the welding requirement.
And fifthly, coating the interior of the anchor platform, wherein the anchor platform is segmented at the bow part and cannot be coated at the interior after being folded, so that the component parts of the anchor platform are welded according to welding joints after assembly, polishing and cleaning are carried out on welding seams in the anchor platform after welding, coating paint is carried out on the interior of the anchor platform in advance after polishing and sand washing are carried out in place, protection work is well done, and damage to the interior paint caused by hoisting of the anchor platform in the later period is avoided.
And sixthly, positioning and installing an anchor platform, wherein the bow section is manufactured in a sectional reverse building mode, a deck is used as a base surface for building a jig frame, an outer plate is segmented and then gathered on the deck, after the bow section is assembled, the outer plate is perforated on site according to the perforation information of the outer plate of the anchor chain cylinder, after the outer plate of the anchor chain cylinder is perforated, the anchor chain pipe is hoisted according to the requirement of a preset design drawing, the manufactured anchor platform is hoisted after the anchor chain pipe is positioned, the anchor platform is positioned according to rib lines, position lines and ocean punching mark information contained in the information of the anchor platform positioning, the upper opening allowance of the anchor platform coaming on the anchor platform is trimmed and cut after the anchor platform is installed and fixed according to the alignment information, and the installation work of the anchor platform is completed.
The hawse pipe shell plate opening information comprises: marking waterline and rib position information on polyester paper, marking the waterline and rib position lines on a bow part section in advance on site according to the polyester paper information, after the outer plate hawse pipe is perforated and marked, carrying out three-dimensional measurement on the center of the outer plate of the hawse pipe by using a total station, comparing the three-dimensional measurement with the three-dimensional coordinate of the die hole in a preset design drawing, adjusting according to the measurement result if deviation exists, ensuring the accuracy of the center of the perforated hole, marking the outer plate perforated line type according to the polyester paper after the center of the outer plate perforated hole is determined, and then carrying out smooth surface refute on each rib position line on the outer plate in the perforated center, and marking by knocking the ocean punch.
The information of the anchor platform positioning comprises: marking an installation position line of the anchor platform coaming plate by using polyester paper on site, wherein the installation position line is a contour line of the anchor platform coaming plate on the outer plate, marking the alignment line information on the outer plate according to the polyester paper, and extending the L, so that the anchor platform can still correspond the alignment line information on the smooth surface of the anchor platform and the alignment line foreign-punching information marked after the L is extended on the outer plate after reversely buckling on the outer plate, and the anchor platform is convenient to hoist and reversely buckle on the bow part section and then perform alignment adjustment.
In the ship building process, the building of a bow section and the manufacturing and installing process of an anchor platform are involved, wherein the polyester paper is used for drawing the size and the angle requirements of a preset design drawing on a ship body after drawing, and mainly marking or marking the opening and the installation. Firstly, polyester paper is used when the hawse pipe penetrates through the opening of the deck, the polyester paper is paved on the deck according to information of rib positions and midship on site, and the shape of the opening is knocked out. Secondly, using the perforated polyester paper when the anchor chain cylinder penetrates through the outer plate, paving the polyester paper on the outer plate according to information of rib positions and midship on site, knocking the shape of the perforated hole out of the ocean punch, knocking the information a-g of the involution line out of the ocean punch according to the polyester paper and marking the information a-g of the involution line. Thirdly, the confidence printed on the polyester paper is used as the positioning information of the anchor platform on the outer plate, the positioning information is laid on the outer plate according to the positioning data, and the opposite line information a-h is knocked out of the ocean punch, so that the subsequent positioning installation of the anchor platform is facilitated.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (6)
1. A standard anchor block manufacturing and installing method is characterized in that the standard anchor block structurally comprises a bottom plate, anchor block enclosing plates, triangular rib plates, anchor lips and an anchor chain cylinder, the anchor chain cylinder is fixed on a bow part section, a plurality of triangular rib plates are welded between the anchor chain cylinder and a ship body outer plate to serve as supports, the anchor lips are fixed on one side of the bottom plate, a plurality of triangular plates are arranged on one side, opposite to the anchor lips, of the bottom plate, the peripheries of the triangular plates are fixed on the inner sides of the anchor block enclosing plates, and the triangular plates and the triangular rib plates are arranged correspondingly after the anchor block structure is installed, and the method comprises the following steps:
firstly, processing anchor platform parts, wherein the anchor platform parts comprise anchor platform coamings, a bottom plate and a triangular plate, each anchor platform coamings are manufactured according to a preset design drawing, after processing, the coamings are closed, the anchor platform coamings to be manufactured are linearly processed, after the design allowance of an upper opening is reserved, the anchor platform coamings are subjected to numerical control cutting blanking, the blanking is sent to a linear processing field, a processing workshop is subjected to secondary processing according to a sample box, after the linear processing of the anchor platform coamings, the coamings are consistent with the linear type of an anchor lip when being closed, after the coamings are trimmed and cut, the coamings are subjected to tapping on a coamings alignment line according to numerical control cutting drawing information, a water color pen marks corresponding letter information, the blanking of the bottom plate is cut according to the preset design drawing information, after the cutting is finished, the upper opening of the bottom plate, a bow reference and the opposite alignment line are tapped according to the numerical control cutting drawing processing information, and are marked by the water color pen, and the triangular plate is cut and blanked according to the preset design drawing requirement, marking the involution line water color pen marks of the set square;
secondly, manufacturing an anchor platform jig frame, namely manufacturing a horizontal jig frame on site by utilizing channel steel and angle iron according to the size and the line type of the anchor platform, and installing a lifting lug on a prefabricated anchor lip and then hoisting and placing the anchor lip on the horizontal jig frame; the anchor lip is placed on the horizontal jig frame in advance, so that anchor platform coamings and the triangular plates can be conveniently installed on site, and meanwhile, preheating equipment can be conveniently installed and preheated during the welding process of the anchor lip on the jig frame;
thirdly, checking and positioning an anchor lip, wherein the anchor lip is a prefabricated steel casting, checking a marine punching point on the anchor lip after the anchor lip steel casting is fed, distinguishing the upper position, the lower position, the bow position, the stern position and the port and starboard positions of the anchor lip according to the marine punching, hoisting a horizontal jig frame after the upper position, the lower position, the bow position and the stern position of the anchor lip are checked, and adjusting the level of the upper end surface of the anchor lip by using a level gauge to reduce the mounting error of a coaming caused by the height difference of the end surface of the anchor lip;
fourthly, positioning and installing an anchor platform coaming plate and a triangular plate, lifting a bottom plate of the anchor platform after the anchor lip is horizontally positioned, adjusting the upper opening reference and the bow reference of the bottom plate to be corresponding to the upper opening reference and the bow reference of the anchor lip, ensuring that the bottom plate corresponds to the line type of the anchor lip steel casting, positioning the triangular plate according to the watercolor pen information of the ocean punching standard on the bottom plate after positioning the bottom plate, adjusting the angle of the triangular plate according to the requirement on the angle information of the triangular plate on a preset design drawing, positioning and installing the manufactured anchor platform coaming plate on the triangular plate and the bottom plate, reversely plugging the joint line information from the frame surface of the anchor platform coaming plate to the smooth surface of the anchor platform coaming plate on site after positioning and installing the coaming, facilitating the adjustment and positioning after the anchor platform lifts the upper bow part section, and welding the anchor platform coaming plate and the triangular plate on site according to a welding node after the assembly is finished; after the anchor lip is fixedly welded on the bottom plate, preheating is carried out according to a welding process in the welding process of the anchor lip and the bottom plate, and when the anchor lip is heated to meet the welding requirement temperature, the anchor lip and the bottom plate are welded on site to form a whole;
fifthly, coating the interior of the anchor platform, welding the components of the anchor platform according to welding nodes after assembly, polishing and cleaning the welding seam in the anchor platform after welding, coating paint in the anchor platform in advance after polishing and sand washing are performed in place, and performing protection work to avoid damage to the interior paint during later hoisting of the anchor platform;
and sixthly, positioning and installing an anchor platform, wherein the bow section is manufactured in a sectional reverse building mode, a deck is used as a base surface for building a jig frame, an outer plate is segmented and then gathered on the deck, after the bow section is assembled, the outer plate is perforated on site according to the perforation information of the outer plate of the anchor chain cylinder, after the outer plate of the anchor chain cylinder is perforated, the anchor chain pipe is hoisted according to the requirement of a preset design drawing, the manufactured anchor platform is hoisted after the anchor chain pipe is positioned, the anchor platform is positioned according to rib lines, position lines and ocean punching mark information contained in the information of the anchor platform positioning, the upper opening allowance of the anchor platform coaming on the anchor platform is trimmed and cut after the anchor platform is installed and fixed according to the alignment information, and the installation work of the anchor platform is completed.
2. The method for manufacturing and installing a standard anchor platform according to claim 1, wherein in the first step, the linear processing of the anchor platform coaming is used as a key in the anchor platform manufacturing process, the margin is reserved around the anchor platform coaming due to the large linear shape of the anchor platform coaming during the initial design, the design margin of 60mm is reserved on two sides of the anchor platform coaming, and the design margin of the upper opening is 120 mm.
3. The method for manufacturing and installing a standard anchor platform according to claim 2, wherein in the first step, in order to avoid a large amount of trimming and cutting during the closure of the anchor platform enclosing plates, the allowance optimization is carried out on the anchor platform enclosing plates, the allowance of the upper opening is reserved during the secondary blanking of the anchor platform enclosing plates, only one side of the last enclosing plate is reserved for 60mm, and therefore an adjusting space is provided during the fire adjustment of the enclosing plate line type during the closure of the anchor platform enclosing plates.
4. A method of manufacturing and installing a standard anchor block according to claim 1, wherein in the second step the anchor lip of the anchor block is of a relatively large linear shape and the horizontal jig height made on site is 500 mm.
5. A method of manufacturing and installing a modular anchor block as claimed in claim 1, wherein in said sixth step, said hawse pipe outer panel opening information includes: marking waterline and rib position information on polyester paper, marking the waterline and rib position lines on a bow part section in advance on site according to the polyester paper information, after the outer plate hawse pipe is perforated and marked, carrying out three-dimensional measurement on the center of the outer plate of the hawse pipe by using a total station, comparing the three-dimensional measurement with the three-dimensional coordinate of the die hole in a preset design drawing, adjusting according to the measurement result if deviation exists, ensuring the accuracy of the center of the perforated hole, marking the outer plate perforated line type according to the polyester paper after the center of the outer plate perforated hole is determined, and then carrying out smooth surface refute on each rib position line on the outer plate in the perforated center, and marking by knocking the ocean punch.
6. A method of manufacturing and installing a standard anchorage as claimed in claim 1, wherein in the sixth step the information on the location of the anchorage includes: marking an installation position line of the anchor platform coaming plate by using polyester paper on site, wherein the installation position line is a contour line of the anchor platform coaming plate on the outer plate, marking the alignment line information on the outer plate according to the polyester paper, and extending the L, so that the anchor platform can still correspond the alignment line information on the smooth surface of the anchor platform and the alignment line foreign-punching information marked after the L is extended on the outer plate after reversely buckling on the outer plate, and the anchor platform is convenient to hoist and reversely buckle on the bow part section and then perform alignment adjustment.
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| CN115230906A (en) * | 2022-08-10 | 2022-10-25 | 沪东中华造船(集团)有限公司 | Method for mounting first anchor hawse pipe |
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| CN113998072B (en) | 2023-11-07 |
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