CN101664845B - Numerical control cutting system of intersecting steel structure of plurality of geometries on offshore oil platform - Google Patents

Numerical control cutting system of intersecting steel structure of plurality of geometries on offshore oil platform Download PDF

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CN101664845B
CN101664845B CN2009103081974A CN200910308197A CN101664845B CN 101664845 B CN101664845 B CN 101664845B CN 2009103081974 A CN2009103081974 A CN 2009103081974A CN 200910308197 A CN200910308197 A CN 200910308197A CN 101664845 B CN101664845 B CN 101664845B
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information
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numerical control
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CN101664845A (en
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殷跃红
陈柳芸
徐文超
谢瑾瑜
陆健
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Abstract

The invention relates to a numerical control cutting system of an intersecting steel structure of a plurality of geometries on an offshore oil platform, comprising an external storage unit of the system, a steel structure description file processing module, a database module, a geometric calculating module, a man-machine interacting module, a numerical control cutting file processing module and a strength checking module. The numerical control cutting system realizes accurate calculation of welding groove curve surface of a metal component intersected by any quantity of cylinders, cones, planes and rings at the node, carries out simulation and strength checking on a steel structure model, and controls the rotational degrees of freedom of the cutting gun to be two when cutting an end surface on the metal component so as to guarantee the cutting quality of the large-thickness metal component; and the numerical control cutting system carries out three-dimensional physical simulation on the cut models of all the metal components and provides modules for saving raw materials.

Description

The intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system
Technical field
What the present invention relates to is a kind of system of ocean engineering matching equipment fields of numeric control technique, specifically is a kind of intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system.
Background technology
Because do not free when offshore platform requires to satisfy high sea situation continuous operation, 13 grades of stormy waves, storm is from requirement such as depositing, so the oil platform steel construction often adopts node to be passed through the labyrinth that forms mutually and selected for use high strength steel to satisfy high strength, high life requirement by a plurality of hardwares with different geometries such as plate, pipe, vertebra, endless tube etc. in powerful zone.
Find that by prior art documents the Liu Ke of University Of Tianjin in 2005 has proposed the automatic diced system of a kind of ocean platform jacket member in its master's thesis " the automatic diced system research and development of ocean platform jacket member ".But there is following shortcoming in this system: the form of passing through mutually of accessible node place hardware is limited as " pipe-pipe " (two cylinders), " pipe-plate " (cylinder one plane), " pipe-pipe and plate " (two cylinders, one plane), " pipe-ring " (cylinder one annulus), " pipe-awl " (cylinder one circular cone), " pipe-multitube " (a plurality of cylinder); There is not mechanics to check function; When on hardware, cutting end face, control cutting gun rotary freedom only is 1, cutting gun points to the hardware rotary middle spindle all the time, wall thickness zone is greatly effectively cut in as easy as rolling off a log formation when the big thickness hardware of cutting, causes cutting gun flame to wear saturating wall thickness or penetrate inhomogeneous and can't guarantee cut quality; The hardware model after the cutting is not carried out 3D solid emulation; Do not consider raw-material saving.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system is provided.The present invention has realized the bevel for welding curved surface of the hardware that forms is passed through at the node place mutually by any amount cylinder, circular cone, plane and annulus accurate Calculation; The steel construction model is carried out emulation and strength check; When cutting end face on hardware, control cutting gun rotary freedom is 2, has guaranteed the cut quality of big thickness hardware; Model after each hardware cutting is carried out 3D solid emulation; Provide and saved raw-material module.
The present invention is achieved by the following technical solutions:
The present invention includes: system's external memory unit, steel construction description document processing module, DBM, how much computing modules, human-computer interaction module, Numerical control cutting document processing module and strength check modules, wherein: system's external memory unit links to each other with steel construction description document processing module and transmits steel construction description document information; System's external memory unit links to each other with the Numerical control cutting document processing module and transmits the Numerical control cutting fileinfo; System's external memory unit links to each other with the strength check module and transmits control instruction information and data processed result information; Steel construction description document processing module links to each other with DBM and transmits original basic geometric parameters information and complete basic geometric parameters information; DBM links to each other with how much computing modules and transmits complete basic geometric data information and reducible bevel for welding curved surface data information; The DBM basic geometric parameters information that transmission user is replenished that links to each other with human-computer interaction module; DBM links to each other with the Numerical control cutting document processing module and transmits reducible bevel for welding curved surface data information; DBM links to each other with the strength check module and transmits complete basic geometric parameters information; How much computing modules link to each other with human-computer interaction module transmit working process parameter information, unreducible geometric data information with and the abnormal conditions information that causes; Human-computer interaction module transmission bevel for welding curved surface cutting track data message, Digit Control Machine Tool instruction format information and jacking operation result information and the jacking information of finishing dealing with that links to each other with the Numerical control cutting document processing module; Model data information, strength check operation instruction information and strength check object information that human-computer interaction module links to each other with the strength check module and transmits steel construction; The Numerical control cutting document processing module links to each other with the strength check module and transmits bevel for welding curved surface cutting track data message.
Described steel construction description document is meant and has expressed the file of the original basic geometric parameters of all hardwares in the steel construction; Described original basic geometric parameters information refers to the rotary middle spindle geological information of hardware in the steel construction; Described complete basic geometric parameters information comprises: the basic geometry of hardware, outer diameter, wall thickness and rotary middle spindle geological information in the steel construction; The basic geometric parameters information that described user replenishes comprises: the basic geometry of hardware, outer diameter and wall thickness information in the steel construction: described unreducible geometric data information comprises: the complete basic geometric parameters information and the bevel for welding curved surface data information that can not restore a hardware entity that can not restore a hardware entity.
Described steel construction description document processing module comprises: file read module and file generating module, wherein: the file read module transmission steel construction description document information that links to each other with the system external memory unit, the file read module links to each other with DBM and transmits original basic geometric parameters information, the file generating module complete basic geometric parameters information of transmission that links to each other with DBM, file generating module links to each other with the system external memory unit and transmits complete basic geometric parameters information.
Described DBM comprises: initial data memory module and result of calculation memory module, wherein: the initial data memory module links to each other with steel construction description document processing module and transmits original basic geometric parameters information and complete basic geometric parameters information, the initial data memory module respectively with the how much computing modules complete basic geometric parameters information of transmission that links to each other with the strength check module, the initial data memory module additional basic geometric parameters information of transmission user that links to each other with human-computer interaction module; The result of calculation memory module links to each other with the Numerical control cutting document processing module with how much computing modules respectively and transmits reducible bevel for welding curved surface data information.
Described how much computing modules comprise: data check module and bevel for welding curved surface computing module, and wherein: the data check module links to each other with DBM and transmits complete basic geometric parameters information and reducible bevel for welding curved surface data information; The data check module link to each other with human-computer interaction module the unreducible geometric data information of transmission with and the abnormal conditions information that causes; The data check module links to each other with bevel for welding curved surface computing module and transmits the bevel for welding curved surface data information of reducible basic geometric parameters information and the reducible hardware of basic geometric parameters; Bevel for welding curved surface computing module links to each other with human-computer interaction module and transmits working process parameter information.
Described human-computer interaction module comprises: model modification module, strength check operational module, display module, processing technology setting module, Digit Control Machine Tool instruction format setting module and jacking operational module, wherein: the model modification module basic geometric parameters information that transmission user is replenished that links to each other with DBM; The strength check operational module intensity transmission that links to each other with the strength check module is checked operation instruction information; Display module link to each other with how much computing modules transmit unreducible geometric data information with and the abnormal conditions information that causes; Display module links to each other with the Numerical control cutting document processing module and transmits bevel for welding curved surface cutting track data message; Model data information and strength check object information that display module links to each other with the strength check module and transmits steel construction; The processing technology setting module links to each other with how much computing modules and transmits working process parameter information; Digit Control Machine Tool instruction format setting module links to each other with the Numerical control cutting document processing module and transmits Digit Control Machine Tool instruction format information; Jacking operational module transmission jacking operation result information and the jacking information of finishing dealing with that links to each other with the Numerical control cutting document processing module; The jacking operational module links to each other with display module and transmits jacking simulation demonstration solicited message.
Compared with prior art, the invention has the beneficial effects as follows: utilize how much computing modules to pass through the bevel for welding curved surface data that forms mutually by any amount cylinder, circular cone, plane and annulus hardware in accurate Calculation steel structure node place, make system not by the existing node of oil platform steel construction mutually the form of passing through limited, can handle various labyrinths flexibly; Utilize the model after strength check module and human-computer interaction module can simulate Construction of Steel Structure, and after simulating practice of construction based on this model, the strength check of the complicated sea situation of reply, can obtain extremely near actual conditions, strength check result very reliably; The curved surface that cutting formed when the bevel for welding curved surface that utilizes the geometry computing module can accurately calculate the hardware end was 2 with the cutting gun rotary freedom, based on the Numerical control cutting file of these data by the hardware of Numerical control cutting document processing module output, can control cutting gun in the hole of cutting metal member and during end face, cut by two rotary freedoms, solve the problem that is easy to generate the bigger zone of effective cutting wall thickness in traditional single rotary freedom cutting gun cutting process, greatly improved the cut quality of big thickness tubing; Utilize three-dimensional entity model, cutting track two-dimensional development figure after human-computer interaction module can accurately simulate the cutting of single metal member, and simulate cutting process in the animation mode, make the user to carry out preview and pre-the evaluation to cut quality, help in time finding defective workmanship and correct that it is up to standard and cause cutting member to scrap to prevent to process the back cut quality; Utilize the jacking module that the cutting codes optimizational function is provided, help reducing in a large number waste material, for enterprise reduces the cost of raw material.
Description of drawings
Fig. 1 is a composition frame chart of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing system of the present invention is further described, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment
As shown in Figure 1, present embodiment comprises: system's external memory unit 1, steel construction description document processing module 2, DBM 3, how much computing modules 4, human-computer interaction module 5, Numerical control cutting document processing module 6 and strength check modules 7, and wherein: steel construction description document processing module 2 comprises: file read module 8 and file generating module 9; DBM 3 comprises: initial data memory module 10 and result of calculation memory module 11; How much computing modules 4 comprise: data check module 12 and bevel for welding curved surface computing module 13; Human-computer interaction module 5 comprises: model modification module 14, strength check operational module 15, display module 16, processing technology setting module 17, Digit Control Machine Tool instruction format setting module 18 and jacking operational module 19.
The concrete connected mode of present embodiment is: the file read module 8 transmission steel construction description document information that links to each other with system external memory unit 1, and file read module 8 links to each other with initial data memory module 10 and transmits original basic geometric parameters information; The file generating module 9 complete basic geometric parameters information of transmission that links to each other with initial data memory module 10, file generating module 9 links to each other with system external memory unit 1 and transmits complete basic geometric parameters information; Initial data memory module 10 links to each other with strength check module 7 and transmits complete basic geometric parameters information, initial data memory module 10 links to each other with file generating module 9 and transmits complete basic geometric parameters information, the initial data memory module 10 complete basic geometric parameters information of transmission that links to each other with data check module 12, the initial data memory module 10 additional basic geometric parameters information of transmission user that links to each other with model modification module 14; Result of calculation memory module 11 links to each other with Numerical control cutting document processing module 6, data check module 12 respectively and transmits reducible bevel for welding curved surface data information, data check module 12 link to each other with display module 16 the unreducible geometric data information of transmission with and the abnormal conditions information that causes, data check module 12 links to each other with bevel for welding curved surface computing module 13 and transmits the bevel for welding curved surface data information of reducible basic geometric parameters information and the reducible hardware of basic geometric parameters; Bevel for welding curved surface computing module 13 links to each other with processing technology setting module 17 and transmits working process parameter information, strength check operational module 15 intensity transmission that links to each other with strength check module 7 is checked operation instruction information, display module 16 links to each other with Numerical control cutting document processing module 6 and transmits bevel for welding curved surface cutting track data, model data information and strength check object information that display module 16 links to each other with strength check module 7 and transmits steel construction, display module 16 links to each other with jacking operational module 19 and transmits jacking simulation demonstration solicited message, Digit Control Machine Tool instruction format setting module 18 links to each other with Numerical control cutting document processing module 6 and transmits Digit Control Machine Tool instruction format information, jacking operational module 19 transmission jacking operation result information and the jacking information of finishing dealing with that links to each other with Numerical control cutting document processing module 6, Numerical control cutting document processing module 6 links to each other with strength check module 7 and transmits bevel for welding curved surface cutting track data message, system's external memory unit 1 links to each other with Numerical control cutting document processing module 6 and transmits the Numerical control cutting fileinfo, and system's external memory unit 1 links to each other with strength check module 7 and transmits control instruction information and data processed result information.
Described steel construction description document is meant and has expressed the file of the basic geometric parameters of all hardwares in the steel construction; Described original basic geometric parameters information refers to the rotary middle spindle geological information of hardware in the steel construction; Described complete basic geometric parameters information comprises basic geometry, outer diameter, wall thickness and the rotary middle spindle geological information of hardware in the steel construction; The basic geometric parameters information that described user replenishes comprises basic geometry, outer diameter and the wall thickness information of hardware in the steel construction: described unreducible geometric data information comprises: the complete basic geometric parameters information and the bevel for welding curved surface data information that can not restore a hardware entity that can not restore a hardware entity.
Described system external memory unit 1 is the computer that UG (excellent collection) software has been installed, after this software uses model after its powerful solid modelling functional simulation tapping structure cuts, wherein welding module of utilization is simulated the mode that each hardware bevel for welding curved surface fills with scolder and is connected again, thereby can simulate the model after the Construction of Steel Structure of actual conditions true to nature extremely; Utilize other professional mechanical analysis software of the mechanical analysis module of the soft ware autonomous exploitation of UG or the embedded soft ware autonomous exploitation of non-UG to carry out steel structure intensity based on this model and check, can obtain extremely near actual conditions, strength check result very accurately.
Described " UG " software, full name is " Unigraphics " software, is a Interactive CAD of Hydro-machine/CAM/CAE (computer aided design/computer aided machine/computer-aided engineering) large scale system software of U.S. EDS company exploitation.
File read module 8 reads the steel construction description document from system's external memory unit 1 and handles, and obtains original basic geometric parameters and delivers to initial data memory module 10; The basic geometric parameters information that the user that initial data memory module 10 combination model modified modules 14 are passed to replenishes obtains complete basic geometric parameters information, and complete basic geometric parameters information passed to file spanned file module 9, data check module 12 and strength check module 7, file generating module 9 is passed to system's external memory unit 1 with complete basic geometric parameters information, the reducible complete basic geometric parameters information that data check module 12 will obtain is passed to bevel for welding curved surface computing module 13, the working process parameter information calculations that bevel for welding curved surface computing module 13 is passed in conjunction with processing technology setting module 17 obtains the bevel for welding curved surface data information of the reducible hardware of basic geometric parameters, data check module 12 with unreducible geometric data information with and the abnormal conditions information that causes pass to display module 16 and show, data check module 12 is passed to Numerical control cutting document processing module 6 with reducible bevel for welding curved surface data information by result of calculation memory module 11, Digit Control Machine Tool instruction format setting module 18 response users' intersection-line cutting machine bed action command format setting operation is transported to Numerical control cutting document processing module 6 with the instruction format of setting; Numerical control cutting document processing module 6 is passed to display module 16 and strength check module 7 respectively with the bevel for welding curved surface cutting track data message that processing obtains, the strength check module 7 strength check operational order that 15 transmission come according to the strength check operational module, third party's three-dimensional modeling emulation of installing on system's external memory unit 1 and mechanical analysis software send the control instruction information to this software, making this software carry out steel construction modeling and strength check automatically, is that steel structure intensity check result feeds back to display module 16 from this software input data processed result then; Jacking operational module 19 is to Numerical control cutting document processing module 6 input jacking operating results, promptly select the jacking pattern: automatic nest or manual jacking by the user, when the user selects the automatic nest pattern, jacking operational module 19 sends " automatic nest " request to Numerical control cutting document processing module 6 makes Numerical control cutting document processing module 6 carry out the jacking processing to the cutting track and the code of all hardwares automatically, when feeding back to " jacking is finished dealing with " signal from Numerical control cutting document processing module 6, jacking operational module 19 sends " jacking simulation " to display module 16 and shows and ask, by the user to the selection of hardware outer diameter and wall thickness switch show on the display interface have this outer diameter and a wall thickness, be arranged in the cutting track of the hardware of delegation; When the user selects manual jacking pattern, select the outer diameter and the wall thickness of the hardware of pending jacking processing by the user, jacking operational module 19 sends " jacking simulation " to display module 16 and shows request, make display module 16 show the cutting track of batches of metal member with this outer diameter, the user selects wherein some cutting tracks to adjust then, jacking operational module 19 in real time the adjustment data input Numerical control cutting document processing module 6 of the cutting track of current intervention is made this track data of its real time modifying and code and after modification is finished immediately with this module of " jacking is finished dealing with " signal back, send " upgrading cutting track shows " request by this module to display module 16 again and make it show the amended cutting track of process.After the user is satisfied to this cutting track adjustment, switch to another track carry out same operation until all cutting tracks final do not have mutually interfere, to be arranged in delegation be cutting track data and the code that the user selects to revise hardware to axial overall length the shortlyest, after modification is finished to jacking operational module 19 send jackings finish dealing with signal and with these code process after the Numerical control cutting file that generates output to system's external memory unit 1 and store, jacking operational module 19 shows solicited messages to display module 16 transmission jackings simulations.
But the present embodiment accurate Calculation is passed through the bevel for welding curved surface that forms mutually by any amount cylinder, circular cone, plane and annulus hardware, has overcome the deficiency of in the prior art node place being passed through mutually the form restriction; Especially this curved surface is the technology Calculation gained that cuts with two rotary freedoms according to cutting gun, the Numerical control cutting file of this curved surface correspondence can be controlled cutting gun and be cut to shape with two rotary freedoms, is easy to generate when having overcome the big thickness tubing of the cutting that causes with single rotary freedom cutting metal member end face in the prior art that effective cutting wall thickness is big, flame can't be fully and evenly penetrate tube wall causes the lower deficiency of cut quality; Emulation and strength check to the model after the Construction of Steel Structure are provided, check result is extremely near actual conditions, leak and deficiency in helping finding to design, accident rate after can reducing construction greatly and finishing in the use, construction for to the high offshore platform steel construction of security, reliability requirement has very important meaning; Friendly 3D solid visualization function is provided, has made the user, helped before the reality cutting, in time finding and revising technological problems according to multiple emulation preview and the pre-cut quality of estimating, thus the situation of avoiding hardware cutting back cut quality not pass a test and scrap; Adding can effectively be saved raw-material jacking and be handled, and has overcome waste of raw materials serious situation in the existing Numerical control cutting, for the high offshore platform steel construction of the cost of raw material, handles through this jacking, and the cost of raw material of reduction is very considerable.

Claims (5)

1. intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system, it is characterized in that, comprise: system's external memory unit, steel construction description document processing module, DBM, how much computing modules, human-computer interaction module, Numerical control cutting document processing module and strength check modules, wherein: system's external memory unit links to each other with steel construction description document processing module and transmits steel construction description document information; System's external memory unit links to each other with the Numerical control cutting document processing module and transmits the Numerical control cutting fileinfo; System's external memory unit links to each other with the strength check module and transmits control instruction information and data processed result information; Steel construction description document processing module links to each other with DBM and transmits original basic geometric parameters information and complete basic geometric parameters information; DBM links to each other with how much computing modules and transmits complete basic geometric data information and reducible bevel for welding curved surface data information; The DBM basic geometric parameters information that transmission user is replenished that links to each other with human-computer interaction module; DBM links to each other with the Numerical control cutting document processing module and transmits reducible bevel for welding curved surface data information; DBM links to each other with the strength check module and transmits complete basic geometric parameters information; How much computing modules link to each other with human-computer interaction module transmit working process parameter information, unreducible geometric data information with and the abnormal conditions information that causes; Human-computer interaction module transmission bevel for welding curved surface cutting track data message, Digit Control Machine Tool instruction format information and jacking operation result information and the jacking information of finishing dealing with that links to each other with the Numerical control cutting document processing module; Model data information, strength check operation instruction information and strength check object information that human-computer interaction module links to each other with the strength check module and transmits steel construction; The Numerical control cutting document processing module links to each other with the strength check module and transmits bevel for welding curved surface cutting track data message.
2. intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system according to claim 1, it is characterized in that, described steel construction description document processing module comprises: file read module and file generating module, wherein: the file read module transmission steel construction description document information that links to each other with the system external memory unit, the file read module links to each other with DBM and transmits original basic geometric parameters information, the file generating module complete basic geometric parameters information of transmission that links to each other with DBM, file generating module links to each other with the system external memory unit and transmits complete basic geometric parameters information.
3. intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system according to claim 1, it is characterized in that, described DBM comprises: initial data memory module and result of calculation memory module, wherein: the initial data memory module links to each other with steel construction description document processing module and transmits original basic geometric parameters information and complete basic geometric parameters information, the initial data memory module respectively with the how much computing modules complete basic geometric parameters information of transmission that links to each other with the strength check module, the initial data memory module additional basic geometric parameters information of transmission user that links to each other with human-computer interaction module; The result of calculation memory module links to each other with the Numerical control cutting document processing module with how much computing modules respectively and transmits reducible bevel for welding curved surface data information.
4. intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system according to claim 1, it is characterized in that, described how much computing modules comprise: data check module and bevel for welding curved surface computing module, and wherein: the data check module links to each other with DBM and transmits complete basic geometric parameters information and reducible bevel for welding curved surface data information; The data check module link to each other with human-computer interaction module the unreducible geometric data information of transmission with and the abnormal conditions information that causes; The data check module links to each other with bevel for welding curved surface computing module and transmits reducible basic geometric parameters information and the reducible bevel for welding curved surface data of basic geometric parameters information; Bevel for welding curved surface computing module links to each other with human-computer interaction module and transmits working process parameter information.
5. intersecting steel structure of plurality of geometries on offshore oil platform numerical control cutting system according to claim 1, it is characterized in that, described human-computer interaction module comprises: model modification module, strength check operational module, display module, processing technology setting module, Digit Control Machine Tool instruction format setting module and jacking operational module, wherein: the model modification module basic geometric parameters information that transmission user is replenished that links to each other with DBM; The strength check operational module intensity transmission that links to each other with the strength check module is checked operation instruction information; Display module link to each other with how much computing modules transmit unreducible geometric data information with and the abnormal conditions information that causes; Display module links to each other with the Numerical control cutting document processing module and transmits bevel for welding curved surface cutting track data message; Model data information and strength check object information that display module links to each other with the strength check module and transmits steel construction; The processing technology setting module links to each other with how much computing modules and transmits working process parameter information; Digit Control Machine Tool instruction format setting module links to each other with the Numerical control cutting document processing module and transmits Digit Control Machine Tool instruction format information; Jacking operational module transmission jacking operation result information and the jacking information of finishing dealing with that links to each other with the Numerical control cutting document processing module; The jacking operational module links to each other with display module and transmits jacking simulation demonstration solicited message.
CN2009103081974A 2009-10-12 2009-10-12 Numerical control cutting system of intersecting steel structure of plurality of geometries on offshore oil platform Expired - Fee Related CN101664845B (en)

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CN107052548B (en) * 2017-05-04 2019-06-04 山东大学 The control method of supervisor's hole cutting process plasma cutting gun height of welding groove
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