CN111667140A - Method for building large cutter suction dredger - Google Patents
Method for building large cutter suction dredger Download PDFInfo
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Abstract
The invention relates to the technical field of construction of cutter suction dredger, and discloses a construction method of a large cutter suction dredger, which comprises a large self-propelled cutter suction dredger construction process flow, a general assembly dredger system technical center for providing technical support, a hierarchical project management organization mechanism, a ship material information management system and an electronic map file management system. According to the construction method of the cutter suction dredger, the intermediate product specialized cooperation construction process flow with reasonable layout is established, social resources of domestic and foreign shipbuilding matching capacity are fully utilized, the aim of improving product quality, reducing cost and shortening shipbuilding period is fulfilled, and final assembly production is carried out by concentrating strength.
Description
Technical Field
The invention relates to the technical field of construction of cutter suction dredger, in particular to a construction method of a large cutter suction dredger.
Background
The large cutter suction dredger bears the main construction task in the dredging engineering, has the advantages of high construction efficiency, low cost, excellent construction quality, capability of realizing long-time continuous operation and the like, has wide application, becomes the most important main ship type in various dredging engineering all over the world, and can be widely applied to the fields of national economic infrastructure construction, such as island reef construction, artificial island construction, marine oil and gas infrastructure, sea filling land reclamation, dredging and treating of rivers, lakes and reservoirs, construction and maintenance of port and navigation channels, environmental protection dredging, urban and rural modern construction and the like.
With the increasing scale of dredging and filling engineering, the cutter suction dredger is rapidly developing towards large scale, high efficiency, automation, intellectualization and environmental protection, which puts forward higher and higher requirements on the construction of the large cutter suction dredger, researches and uses the modern shipbuilding mode to deeply discuss the construction method of the cutter suction dredger, and has important significance for reducing the technical gap between the construction process technology of the cutter suction dredger and the advanced shipbuilding mode of foreign countries. The construction method of the large cutter-suction dredger based on the modern shipbuilding mode is also an important ring for realizing the localization of the large cutter-suction dredger.
The construction method of the novel large cutter-suction dredger can promote the level of the construction process of the large cutter-suction dredger in China to be improved, and the manufacturing technology of dredging equipment and the national rate of the matched dredging equipment are improved.
The invention takes the general assembly shipbuilding as a main line to carry out unified planning on the construction modes of the large self-propulsion cutter suction dredger and other marine special engineering ships so as to form the modern shipbuilding mode of the marine special engineering ships and the large self-propulsion cutter suction dredger. The shipbuilding mode in the prior art does not fully utilize comprehensive resources of shipbuilding matching capacity, is difficult to realize centralized force to carry out general assembly production, and is difficult to ensure the integration of design, production and management and the integration of shell, outfitting and coating operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for constructing a large cutter suction dredger, which solves the defects in the background technology.
The invention provides the following technical scheme: a large-scale cutter suction dredger building method comprises a large-scale self-propulsion cutter suction dredger building process flow, a general assembly dredger building system technology center for providing technical support, a hierarchical project management organization mechanism, a ship material information management system and an electronic picture management system, wherein the large-scale self-propulsion cutter suction dredger building process flow needs to establish intermediate product professional cooperation with reasonable layout, and three operations of shell operation, outfitting operation and painting operation are integrated and developed simultaneously;
the technical center of the general assembly shipbuilding system providing technical support establishes a marine engineering and ship product database, carries out design cost management, prepares in advance to issue an equipment ordering list, carries out synchronous design and development work of a marine engineering hull and outfitting in each specialty, applies a large self-propulsion cutter suction dredger subsection three-dimensional precision measurement control system, replaces allowance with compensation amount, and carries out allowance-free carrying on a shipway;
the hierarchical project management organization is provided with four levels of management personnel, wherein the first level is a project chief responsible person and a project chief engineer, the second level is a project manager, the third level is a safety production department manager, a construction department manager and a quality department manager, and the fourth level is a business supervisor, a design supervisor, an acquisition and handling supervisor, a plan scheduling supervisor, a ship body supervisor, a turbine supervisor, a dredging equipment supervisor, an electrical supervisor and a project department clerk supervisor;
the ship material information management system comprises modules such as system management, basic management code maintenance, plan purchase management, warehouse management, contract management, decision analysis, steel quota, target cost, statistical report forms, capital management, cost consumption and comprehensive management;
the electronic drawing management system can automatically, completely and accurately collect and file CAD electronic files in real time, effectively manage and control the collected and filed electronic files, and perform information management on the CAD electronic files in the whole process of designing, auditing, printing, collecting and filing, counting, evaluating, browsing images on line, retrieving and borrowing, managing files and the like.
Further optimizing the technical scheme, the intermediate product professional cooperation with reasonable layout comprises a manufacturing system formed by equipment, raw material purchasing, steel blanking and pretreatment processing, sectional manufacturing, pipe processing, superstructure processing, a marine engineering equipment installation and debugging center, a professional division and the like, a marine engineering supporting enterprise is brought into a general assembly shipbuilding system, a sectional production line and a pre-outfitting site are established according to the intermediate product finishing and process advancing principle, the equipment unit assembly, the sectional and total assembly pre-outfitting technology and the modularization technology are realized, and the sectional pre-outfitting hoisting is realized.
Further optimizing the technical scheme, classifying the construction process flow of the large self-propulsion cutter suction dredger according to three operations of shell, outfitting and painting, and carrying out professional integrated cooperation, wherein the outfitting operation comprises the steps of installing a bridge frame and a trolley through an outfitting module, an outfitting tray and an outfitting unit of a assembly center in the assembly and distribution process of turbine equipment, dredging machinery, electrical equipment and outfitting production, and carrying out steel pile installation; the shell operation comprises steel cutting and machining, component assembly, sectional outfitting, slipway folding, slipway outfitting, sliding launching, wharf test and final sailing test pilot transport ship; the coating operation comprises the development of coating work such as steel pretreatment, sectional coating, tracking coating supplement, coating in a ship and the like.
The technical scheme is further optimized, the dock test comprises turbine debugging, hydraulic system debugging, bridge system debugging, trolley system debugging and dredging control system debugging, and safe navigation of the self-propelled large cutter suction dredger in the launching process under the construction method of the cutter suction dredger is guaranteed.
Further optimizing the technical scheme, classifying the outfitting and coating operations, and performing professional integrated cooperation on the outfitting module, the outfitting tray and the outfitting unit in the outfitting operation and the sectional outfitting in the shell operation; the installation of the bridge and the trolley in the outfitting operation is in integrated cooperation with the slipway outfitting in the shell operation; carrying out professional cooperation between the installation of the steel piles in the outfitting operation and the wharf outfitting in the shell operation; the cutting processing of the steel in the shell operation and the pretreatment of the steel in the coating operation are synchronously and coordinately completed; performing sectional assembly and coating in the shell operation and sectional coating in the coating operation; actual follow-up is carried out on sectional outfitting and slipway folding in the shell operation and tracking and coating in the coating operation; the operations are carried out simultaneously with the outfitting of the slipway in the hull work and the in-ship painting in the work.
The technical scheme is further optimized, the hierarchical project management organization is used for defining stations according to the production flow, defining stations according to the stations, configuring skill requirements according to the stations, replacing the traditional work organization of the work system with advanced work organization of the skill system, and utilizing a computer-aided management tool to enable upper management personnel to command and communicate with a lower manager during construction in time, carrying out quantitative balance analysis on production capacity and production tasks, determining the optimal configuration quantity of required production resources, eliminating functional redundancy in design and reducing non-value-added activities in the production process.
Further optimizing the technical scheme, the system management in the ship material information management system comprises four modules of system introduction, installation description, an operation manual, a user and authority management, and the specific operation description is carried out on the whole ship material information management system; the basic management code maintenance comprises material codes, product classification codes, partition codes, area codes, segmentation codes, enterprise department codes, contract codes and supplier codes, and the code identification and classification are carried out on the data of the whole ship material information management system; the plan purchasing management comprises specific module requirements in purchasing aspects such as purchasing demand receiving, purchasing plan balancing, purchasing staff work ledger, fund requisition management, acceptance warehousing, invoice processing and the like; the warehouse management comprises management modules such as inventory standing book operation, original certificate management, accounting processing, inventory standing book backup, initialization, data proofreading and checking and the like.
Further optimizing the technical scheme, the contract management in the ship material information management system comprises the classified management of each contract, such as contract login, contract modification, contract query, contract arrival alarm, contract backup, contract statistical analysis, contract deletion, contract filing and the like; the decision analysis comprises important decision analysis in various management aspects of purchase, warehouse, contract, quota, cost, fund, target, report and synthesis, and discusses decision problems encountered in the construction method of the cutter suction dredger.
Further optimizing the technical scheme, the steel quota in the ship material information management system comprises quota data management, production material gathering, quota statistical analysis and quota information filing, and steel required by the construction of the cutter suction dredger is uniformly managed; the target cost comprises modules of target cost determination, workshop real consumption statistics, target execution condition, standard exceeding alarm and the like; the statistical report comprises four statistical reports facing different functional units, such as a group report, a provincial and municipal report, an enterprise report, a material department report and the like; the fund management comprises strict management on funds such as purchase funds, inventory funds, material cost audit and the like; the cost consumption comprises the cost of shipbuilding products, the cost of ship repairing products, the cost of non-ship products and the like which are all generated when the cutter suction dredger is built; the integrated management comprises management modes in a building mode in the integrated aspects of customs clearance management, personnel management, salary management, document management and the like.
Further optimizing the technical scheme, the electronic drawing management system classifies and records CAD electronic file drawings into CAD drawings in filing and CAD drawings in a change list, and when the drawings are input, an engineering number, an engineering name, a drawing number, a drawing name and an English drawing name are required to be filled in for drawing inquiry and filing, and drawing information including data such as a serial number, the drawing name, the engineering name, the construction time, the drawing use state and whether the drawings are borrowed is displayed.
Compared with the prior art, the invention provides a method for building a large cutter suction dredger, which has the following beneficial effects:
1. according to the construction method of the cutter suction dredger, the intermediate product specialized cooperation construction process flow with reasonable layout is established, social resources of domestic and foreign shipbuilding matching capacity are fully utilized, the aim of improving product quality, reducing cost and shortening shipbuilding period is fulfilled, and final assembly production is carried out by concentrating strength.
2. According to the cutter suction dredger building method, the technical center of a general assembly dredger system with technical support is provided, the operation quality of a steel pretreatment production line is improved, the coating technology is tracked and supplemented, the coating efficiency is improved, the precision ocean engineering dredger building and the advanced coating technology are realized, and the technical center realizes the integrity of intermediate product shell fitting-out and coating integrated design and the integrity of intermediate product engineering management information according to the principle of design, production and management integration in the form of project management organization. And carrying out the planning of the marine engineering at the early stage of shipbuilding.
3. According to the construction method of the cutter suction dredger, a hierarchical project management organization mechanism is set, a management mode with a high-efficiency, cooperative and simplified project management responsible system as a core is adopted, the production management is refined, a production field data daily report and feedback system is established, and systematic, complete and accurate design, production and management information is formed.
4. According to the cutter suction dredger building method, a ship material information management system is used for implementing ship building digital engineering, the material information management system facing the whole ship building process is built step by step in a planned mode, the integration of design, production and management and the integration of shell, outfitting and coating operation are achieved, the information integration between a shipyard and a design yard and a supplier is enhanced, and the digital seamless connection of regional design, manufacture and management information is achieved step by step through a remote cooperative network.
Drawings
FIG. 1 is a schematic view of the construction process of a large cutter suction dredger according to the present invention;
FIG. 2 is a schematic diagram of a ship material information management system according to the present invention;
FIG. 3 is a schematic view of a query interface of the electronic drawing management system of the present invention;
FIG. 4 is a schematic view of an archiving interface of the electronic drawing management system of the present invention.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a method for constructing a large cutter suction dredger comprises a large self-propulsion cutter suction dredger construction process flow, a general assembly dredger system technology center for providing technical support, a hierarchical project management organization mechanism, a ship material information management system and an electronic map file management system, wherein the large self-propulsion cutter suction dredger construction process flow needs to establish intermediate product professional cooperation with reasonable layout, and the three operations of shell, outfitting and painting are integrally and simultaneously carried out;
the general assembly shipbuilding system technology center for providing technical support establishes a marine engineering and ship product database, carries out design cost management, prepares in advance to issue an equipment ordering list, carries out professional synchronous design and development work of a marine engineering hull and outfitting, introduces high-quality marine engineering equipment technical talents at home and abroad, establishes a detailed design and production design team, improves the overall design level of the technology center, ensures the reliability of marine engineering project production plan execution and the smooth operation of a production flow, applies a large-scale self-propulsion suction dredge subsection three-dimensional precision measurement control system, replaces allowance with compensation quantity, carries out allowance-free carrying on a shipway, applies a three-dimensional modeling and production process simulation technology, and improves the planning level at the early stage; in the hull construction process, the whole process from part blanking processing and sectional manufacturing, assembling and carrying to ship launching, responsibility, content, method and requirement of precision management and control of all processes and related departments aim at enhancing the precise control consciousness of staff, standardizing operation behaviors, realizing no-allowance prefabrication of straight sections and no-allowance boarding berth folding of curved sections, ensuring the installation precision of large structural members, reducing the repair rate and quality loss, and improving the precision and speed of ship construction.
The hierarchical project management organization is provided with four levels of management personnel, wherein the first level is a project chief responsible person and a project chief engineer, the second level is a project manager, the third level is a safety production department manager, a construction department manager and a quality department manager, and the fourth level is a business supervisor, a design supervisor, an acquisition and handling supervisor, a plan scheduling supervisor, a ship body supervisor, a turbine supervisor, a dredging equipment supervisor, an electrical supervisor and a project department clerk supervisor; the manager at the first level comprehensively carries out precision management, collects and solves the problems encountered in the pushing process, and immediately knows the progress and the effect of the precision management, and the managers at the second level and the third level master the precision conditions of the respective projects in real time and make supervision right in parallel to establish the precision standard, the requirement and the specific implementation measures of the precision control of the product; the system is responsible for the detection work of product precision and provides a measurement chart, a precision report and the like; the system is responsible for guiding the precision control work of each production department; the system is responsible for summarizing and summarizing the precision conditions of various items and providing a precision control improvement scheme; and the system is responsible for the metrological verification work of the measuring tool and the measuring instrument and is marked. Supervising the implementation condition of the precision management work by a supervisor at a fourth level, such as whether the detection is timely or not, whether the result is real or not and the like; the problems encountered in the precision management process, such as arrangement and dismantling of scaffolds and prevention of unqualified subsection tire release, are solved; organizing related departments to summarize precision management, evaluating the effect of precision management implementation and proposing improvement suggestions; and a reward and punishment rule of precision management is formulated and executed, and the management efficiency is improved.
The ship material information management system comprises modules such as system management, basic management code maintenance, plan purchase management, warehouse management, contract management, decision analysis, steel quota, target cost, statistical report forms, capital management, cost consumption and comprehensive management;
the electronic drawing management system can automatically, completely and accurately collect and file CAD electronic files in real time, effectively manage and control the collected and filed electronic files, and perform information management on the CAD electronic files in the whole process of designing, auditing, printing, collecting and filing, counting, evaluating, browsing images on line, retrieving and borrowing, managing files and the like.
Specifically, the intermediate product professional cooperation reasonable in layout comprises a manufacturing system formed by equipment, raw material purchasing, steel blanking and pretreatment processing, segmented manufacturing, pipe processing, superstructure processing, a marine engineering equipment installation and debugging center, a professional department and the like, a marine engineering supporting enterprise is brought into a general assembly shipbuilding system, a segmented production line is established according to the intermediate product finishing and process advancing principle, a pre-outfitting site is built, equipment unit assembly, a segmented and total assembly pre-outfitting technology and a modularization technology are achieved, and segmented pre-outfitting hoisting is achieved. The bridge frame of the reamer head is built right in front of the ship body, and after the bridge frame is assembled with the reamer head equipment at the front end, the bridge frame of the reamer head is inserted into the groove of the bow part through the slide way and is hinged with the ship body through the hydraulic trunnion on the ship body structure. The winch head bridge is independently built, the total assembly precision of the winch head bridge and a front end winch head equipment package is required to be noticed, and the installation precision of the part matched with the trunnion of the main hull is required to be noticed. The front end of the bridge frame is reserved with allowance when being built, after the reamer head equipment is packed, trimming and cutting are carried out according to the actual folding end face condition of the reamer head equipment to ensure perfect joint, the mounting precision of a reamer shaft and a motor of the reamer shaft is mainly required to be ensured, an trunnion hole at the rear end of the bridge frame uses a blank piece in the building process, and finally, a large boring shaft is used for machining and once forming. In the process of welding and machining, the levelness and coaxiality precision of the base center line need to be strictly controlled, and the installation precision of the hydraulic trunnion matched with the base center line also needs to be strictly controlled.
Specifically, the construction process flow of the large self-propulsion cutter suction dredger is classified according to shell, outfitting and painting operations and is subjected to professional integrated cooperation, wherein the outfitting operation comprises the steps of installing a bridge frame and a trolley through an outfitting module, an outfitting tray and an outfitting unit of a centralized assembly center in the process of turbine equipment, dredging machinery, electrical equipment and outfitting manufacture, and carrying out steel pile installation; the shell operation comprises steel cutting and machining, component assembly, sectional outfitting, slipway folding, slipway outfitting, sliding launching, wharf test and final sailing test pilot transport ship; the coating operation comprises the development of coating work such as steel pretreatment, sectional coating, tracking coating supplement, coating in a ship and the like. In the stage of closure of the slipway, the reconnaissance of the slipway datum line (comprising a central line, a half-width line, a rib inspection line and a marker post horizontal line) is carried out, and after error is detected, the accuracy group is reported for confirmation; carrying and adjusting the segments in place by datum lines on the slipway, controlling the main scale of the ship body to be within a tolerance range, and reporting a precision group to confirm after positioning is finished; tracking and monitoring the folded large joint, and recording the gap, shrinkage and the like of the butt joint; tracking and monitoring the closed segments, comprising: keel flatness, center line deviation, hull major dimension, deck levelness, and the like. And forming a 'subsection loading process precision control table' for measurement and monitoring of the folding stage, and reporting and taking measures in time when the sign of precision out-of-tolerance or close out-of-tolerance is found in the process.
Specifically, the wharf test comprises turbine debugging, hydraulic system debugging, bridge system debugging, trolley system debugging and dredging control system debugging, safe sailing of a self-propelled large-scale cutter suction dredger under the construction method of the cutter suction dredger is guaranteed when the cutter suction dredger is launched, the ship building precision debugging and managing technology is an important content in a modern ship building method, precision analysis and debugging of the size are carried out in the whole ship building process by applying advanced technological means and a strict scientific management method, accordingly, trimming workload in the construction process is reduced to the maximum extent, the steel pile trolley track is large in space span and high in precision requirement, a fully-melted welding type is easy to deform in the welding process, and assembly precision of the steel pile trolley has important influence on normal use of the steel pile trolley, so that high attention is needed. The deformation of the rail needs to be strictly controlled in the manufacturing process so as to ensure the straightness and the flatness of the rail. In the assembling process, the welding deformation reaction of the welding equipment needs to be monitored, the precision data of the welding equipment is monitored in real time through a total station, and once the deformation trend is found, the welding equipment needs to perform inverse deformation treatment by using a welding means. The precision data of each stage is required to be timely transmitted to each relevant department and corresponding responsible person so as to master the precision dynamics of the product. Performing special and comprehensive evaluation on the product precision control condition of each stage every month or after the product is finished; acquiring precision data of each stage, sorting, classifying and inputting into a computer every day; after the precision data are sorted and analyzed, the control trend is summarized and fed back to a design department; focus is on the emphasis and control method.
Specifically, the outfitting and coating operations are classified and carried out professional integrated cooperation, namely, the outfitting module, the outfitting tray, the outfitting unit in the outfitting operation and the sectional outfitting in the shell operation are carried out cooperation; the installation of the bridge and the trolley in the outfitting operation is in integrated cooperation with the slipway outfitting in the shell operation; carrying out professional cooperation between the installation of the steel piles in the outfitting operation and the wharf outfitting in the shell operation; the cutting processing of the steel in the shell operation and the pretreatment of the steel in the coating operation are synchronously and coordinately completed; performing sectional assembly and coating in the shell operation and sectional coating in the coating operation; actual follow-up is carried out on sectional outfitting and slipway folding in the shell operation and tracking and coating in the coating operation; the operations are carried out simultaneously by the outfitting of the slipway in the shell operation and the coating in the ship in the operation, so that the ship building period is shortened, the construction quality of the ocean engineering ship is improved, and the application of the related new technology and the new technology is promoted.
Specifically, the hierarchical project management organization defines stations according to a production flow, positions according to the stations, and skill requirements are configured according to the positions, advanced skill-based labor organization replaces the traditional engineering-based labor organization, and a computer-aided management tool is utilized, so that a superior manager can timely conduct command and communication with a subordinate supervisor during construction, quantitative balance analysis is conducted on production capacity and production tasks, the optimal configuration quantity of required production resources is determined, functional redundancy in design is eliminated, and non-value-added activities in the production process are reduced.
Specifically, the system management in the ship material information management system comprises four modules of system introduction, installation description, an operation manual, a user and authority management, and the specific operation description is carried out on the whole ship material information management system; the basic management code maintenance comprises material codes, product classification codes, partition codes, area codes, segmentation codes, enterprise department codes, contract codes and supplier codes, and the code identification and classification are carried out on the data of the whole ship material information management system; the plan purchasing management comprises specific module requirements in purchasing aspects such as purchasing demand receiving, purchasing plan balancing, purchasing staff work ledger, fund requisition management, acceptance warehousing, invoice processing and the like; the warehouse management comprises management modules such as inventory standing book operation, original certificate management, accounting processing, inventory standing book backup, initialization, data proofreading and checking and the like.
Specifically, contract management in the ship material information management system comprises classified management of each contract, such as contract login, contract modification, contract query, contract arrival alarm, contract backup, contract statistical analysis, contract deletion, contract filing and the like; the decision analysis comprises important decision analysis in various management aspects of purchase, warehouse, contract, quota, cost, fund, target, report and synthesis, and discusses decision problems encountered in the construction method of the cutter suction dredger.
Specifically, the steel quota in the ship material information management system comprises quota data management, production material gathering, quota statistical analysis and quota information filing, and steel required by the construction of the cutter suction dredger is uniformly managed; the target cost comprises modules of target cost determination, workshop real consumption statistics, target execution condition, standard exceeding alarm and the like; the statistical report comprises four statistical reports facing different functional units, such as a group report, a provincial and municipal report, an enterprise report, a material department report and the like; the fund management comprises strict management on funds such as purchase funds, inventory funds, material cost audit and the like; the cost consumption comprises the cost of shipbuilding products, the cost of ship repairing products, the cost of non-ship products and the like which are all generated when the cutter suction dredger is built; the comprehensive management comprises a management mode under a construction mode in the comprehensive aspects of customs clearance management, personnel management, salary management, document management and the like, and the budget management and the cost management are strengthened. And establishing a budget system which is from the previous planning and runs through the whole production and operation process to form a complete cost control system. Meanwhile, basic work such as a man-hour system, a planning system, a data and coding system, an employment system, outsourcing management, field management and the like is to be strengthened.
Specifically, referring to fig. 3-4, the electronic drawing management system classifies and records CAD electronic file drawings, and divides the CAD electronic file drawings into CAD drawings in filing and CAD drawings in a change list, when drawings are input, a drawing number, a drawing name, and an english drawing name need to be filled in for drawing query and filing, and drawing information including data such as a serial number, a drawing name, a drawing number, a drawing name, creation time, a drawing use state, and whether the drawings are borrowed or not is displayed, and the electronic files in the electronic drawing management system can perform filing management operations such as design flow, modification flow, review withdrawal, check submission and the like, and perform file option operations such as uploading, downloading, deleting and the like.
In conclusion, the construction method of the cutter suction dredger is characterized in that a construction process flow with reasonable layout and specialized cooperation of intermediate products is established, social resources with the matching capability of domestic and foreign shipbuilding are fully utilized, the product quality is improved, the cost is reduced, the shipbuilding period is shortened, and the final assembly production is carried out by concentrating the force.
According to the construction method of the cutter suction dredger, the measures such as improving the operation quality of a steel pretreatment production line and tracking coating supplement and the like are taken through a general assembly dredger system technology center providing technical support, the coating efficiency is improved, the precision ocean engineering dredger and the advanced coating technology are implemented, and the integrity of the intermediate product shell coating-out integrated design and the integrity of the intermediate product engineering management information are realized through the technology center according to the principle of integration of design, production and management in the organization form of project management. And carrying out the planning of the marine engineering at the early stage of shipbuilding.
According to the construction method of the cutter suction dredger, a hierarchical project management organization mechanism is set, a management mode taking a high-efficiency, cooperative and simplified project management responsible system as a core is adopted, the production management is refined, a production field data daily report and feedback system is established, and systematic, complete and accurate design, production and management information is formed.
According to the cutter suction dredger building method, a ship material information management system is used for implementing ship building digital engineering, the material information management system facing the whole ship building process is built step by step in a planned mode, the integration of design, production and management and the integration of shell, outfitting and painting operation are achieved, the information integration between a shipyard and a design yard and a supplier is enhanced, and the digital seamless connection of regional design, manufacture and management information is achieved step by step through a remote cooperative network.
The related modules involved in the invention are all hardware system modules or functional modules combining computer software programs or protocols with hardware in the prior art, and the computer software programs or the protocols involved in the functional modules are all known to those skilled in the art, and are not improvements of the invention; the improvement of the invention is the interaction relation or the connection relation among all the modules, namely the improvement of the integral structure of the invention, so as to solve the corresponding technical problems to be solved by the invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A construction method of a large cutter suction dredger comprises a large self-propulsion cutter suction dredger construction process flow, a general assembly dredger construction system technology center for providing technical support, a hierarchical project management organization mechanism, a ship material information management system and an electronic map management system, and is characterized in that: the construction process flow of the large-scale self-propulsion cutter-suction dredger needs to establish intermediate product specialization cooperation with reasonable layout, and the shell, outfitting and painting operations are integrated and developed simultaneously;
the technical center of the general assembly shipbuilding system providing technical support establishes a marine engineering and ship product database, carries out design cost management, prepares in advance to issue an equipment ordering list, carries out synchronous design and development work of a marine engineering hull and outfitting in each specialty, applies a large self-propulsion cutter suction dredger subsection three-dimensional precision measurement control system, replaces allowance with compensation amount, and carries out allowance-free carrying on a shipway;
the hierarchical project management organization is provided with four levels of management personnel, wherein the first level is a project chief responsible person and a project chief engineer, the second level is a project manager, the third level is a safety production department manager, a construction department manager and a quality department manager, and the fourth level is a business supervisor, a design supervisor, an acquisition and handling supervisor, a plan scheduling supervisor, a ship body supervisor, a turbine supervisor, a dredging equipment supervisor, an electrical supervisor and a project department clerk supervisor;
the ship material information management system comprises modules such as system management, basic management code maintenance, plan purchase management, warehouse management, contract management, decision analysis, steel quota, target cost, statistical report forms, capital management, cost consumption and comprehensive management;
the electronic drawing management system can automatically, completely and accurately collect and file CAD electronic files in real time, effectively manage and control the collected and filed electronic files, and perform information management on the CAD electronic files in the whole process of designing, auditing, printing, collecting and filing, counting, evaluating, browsing images on line, retrieving and borrowing, managing files and the like.
2. The method of constructing a large cutter suction dredger according to claim 1, wherein: the intermediate product professional cooperation reasonable in layout comprises a manufacturing system formed by equipment, raw material purchasing, steel blanking and pretreatment processing, segmented manufacturing, pipe processing, superstructure processing, ocean engineering equipment installation and debugging centers, a professional department and the like, a marine engineering supporting enterprise is brought into a general assembly shipbuilding system, a segmented production line is established according to the intermediate product finishing and process advancing principle, a pre-outfitting site is built, equipment unit assembly, a segmented and total assembly pre-outfitting technology and a modularization technology are realized, and segmented pre-outfitting hoisting is realized.
3. The method of constructing a large cutter suction dredger according to claim 1, wherein: the construction process flow of the large-scale self-propulsion cutter suction dredger is classified and specialized integrated cooperation is carried out according to three operations of shell, outfitting and coating, wherein the outfitting operation comprises the steps of installing a bridge frame and a trolley through an outfitting module, an outfitting tray and an outfitting unit of a distribution center, and carrying a steel pile for installation; the shell operation comprises steel cutting and machining, component assembly, sectional outfitting, slipway folding, slipway outfitting, sliding launching, wharf test and final sailing test pilot transport ship; the coating operation comprises the development of coating work such as steel pretreatment, sectional coating, tracking coating supplement, coating in a ship and the like.
4. A method of constructing a large cutter suction dredger according to claim 3, characterized in that: the wharf test comprises turbine debugging, hydraulic system debugging, bridge system debugging, trolley system debugging and dredging control system debugging, and ensures safe sailing of the self-sailing large cutter suction dredger under the construction method of the cutter suction dredger when the dredger is launched.
5. A method of constructing a large cutter suction dredger according to claim 3, characterized in that: the outfitting and coating operations are classified and are performed in a professional integrated cooperation mode, and an outfitting module, an outfitting tray, an outfitting unit and a subsection outfitting in the shell operation are performed in a cooperation mode; the installation of the bridge and the trolley in the outfitting operation is in integrated cooperation with the slipway outfitting in the shell operation; carrying out professional cooperation between the installation of the steel piles in the outfitting operation and the wharf outfitting in the shell operation; the cutting processing of the steel in the shell operation and the pretreatment of the steel in the coating operation are synchronously and coordinately completed; performing sectional assembly and coating in the shell operation and sectional coating in the coating operation; actual follow-up is carried out on sectional outfitting and slipway folding in the shell operation and tracking and coating in the coating operation; the operations are carried out simultaneously with the outfitting of the slipway in the hull work and the in-ship painting in the work.
6. The method of constructing a large cutter suction dredger according to claim 1, wherein: the hierarchical project management organization is characterized in that stations are defined according to a production flow, stations are defined according to the stations, skill requirements are configured according to the stations, traditional work-type labor organization is replaced by advanced skill-type labor organization, and a computer-aided management tool is utilized, so that superior management personnel can timely conduct command and communication with subordinate supervisors during construction, quantitative balance analysis is conducted on production capacity and production tasks, the optimal configuration quantity of required production resources is determined, functional redundancy in design is eliminated, and non-value-added activities in the production process are reduced.
7. The method of constructing a large cutter suction dredger according to claim 1, wherein: the system management in the ship material information management system comprises four modules of system introduction, installation description, an operation manual, a user and authority management, and the specific operation description is carried out on the whole ship material information management system; the basic management code maintenance comprises material codes, product classification codes, partition codes, area codes, segmentation codes, enterprise department codes, contract codes and supplier codes, and the code identification and classification are carried out on the data of the whole ship material information management system; the plan purchasing management comprises specific module requirements in purchasing aspects such as purchasing demand receiving, purchasing plan balancing, purchasing staff work ledger, fund requisition management, acceptance warehousing, invoice processing and the like; the warehouse management comprises management modules such as inventory standing book operation, original certificate management, accounting processing, inventory standing book backup, initialization, data proofreading and checking and the like.
8. The method of constructing a large cutter suction dredger according to claim 1, wherein: contract management in the ship material information management system comprises classified management of each contract, such as contract login, contract modification, contract query, contract arrival alarm, contract backup, contract statistical analysis, contract deletion, contract filing and the like; the decision analysis comprises important decision analysis in various management aspects of purchase, warehouse, contract, quota, cost, fund, target, report and synthesis, and discusses decision problems encountered in the construction method of the cutter suction dredger.
9. The method of constructing a large cutter suction dredger according to claim 1, wherein: the steel quota in the vessel material information management system comprises quota data management, production material gathering, quota statistical analysis and quota information filing, and steel required by construction of the cutter suction dredger is uniformly managed; the target cost comprises modules of target cost determination, workshop real consumption statistics, target execution condition, standard exceeding alarm and the like; the statistical report comprises four statistical reports facing different functional units, such as a group report, a provincial and municipal report, an enterprise report, a material department report and the like; the fund management comprises strict management on funds such as purchase funds, inventory funds, material cost audit and the like; the cost consumption comprises the cost of shipbuilding products, the cost of ship repairing products, the cost of non-ship products and the like which are all generated when the cutter suction dredger is built; the integrated management comprises management modes in a building mode in the integrated aspects of customs clearance management, personnel management, salary management, document management and the like.
10. The method of constructing a large cutter suction dredger according to claim 1, wherein: the electronic drawing management system classifies and records CAD electronic file drawings, and comprises the CAD drawings in filing and the CAD drawings in a change list, wherein when the drawings are input, the drawings need to be inquired and filed by filling in an engineering number, an engineering name, a drawing number, a drawing name and an English drawing name, and drawing information including data such as a serial number, the drawing name, the engineering number, the engineering name, the creation time, the drawing use state and whether the drawings are borrowed or not is displayed.
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