CN111636303B - Cross baseline control method for block assembly manufacturing of curve steel box structure - Google Patents
Cross baseline control method for block assembly manufacturing of curve steel box structure Download PDFInfo
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- CN111636303B CN111636303B CN202010442748.2A CN202010442748A CN111636303B CN 111636303 B CN111636303 B CN 111636303B CN 202010442748 A CN202010442748 A CN 202010442748A CN 111636303 B CN111636303 B CN 111636303B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to the technical field of building construction, in particular to a cross baseline control method for block assembly manufacturing of a curve steel box structure, which comprises the following steps: step 1, a horizontal base line and a vertical base line are made on a tiled base plate unit and used as positioning references for assembly; step 2, ensuring that transverse base lines are distributed on each single element; step 3, ensuring that longitudinal base lines are distributed on each single element; step 4, drawing a ground sample line according to a coordinate system, and installing a jig frame; step 5: completing the assembly of all the tiled floor units in the assembly round according to the ground pattern line, the transverse base line and the longitudinal base line; and 6, assembling the inner partition plate, the lateral wall plate and the top plate of the curve steel box structure sequentially on the basis of the flat-laid bottom plate unit until the whole box structure is assembled. The method is simple to operate, effectively improves the assembly linear precision of the curve steel box structure, ensures the construction quality, reduces the assembly difficulty, improves the construction efficiency and indirectly saves the construction cost.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a cross baseline control method for block assembly manufacturing of a curve steel box structure.
Background
With the continuous improvement of the comprehensive national force of China, steel structure buildings are increasingly and widely developed and applied. Aiming at large-scale curve steel box structural members related in special structures, such as a steel box structure in a large-span arch bridge, curve steel box girders in an urban overpass ramp bridge and the like, the processing and manufacturing difficulties are high, and curve linear control is difficult. The traditional technology adopts the contour line positioning assembly of the single element, so that the positioning is inaccurate, the engineering quality is reduced, and the use is inconvenient. In view of this, we propose a cross-baseline control method for block-wise assembly manufacturing of curved steel box structures.
Disclosure of Invention
The invention aims to provide a cross baseline control method for block assembly manufacturing of a curve steel box structure, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a cross-baseline control method for block assembly manufacturing of a curved steel box structure for round assembly of tiled floor units of 1 st to nth (N being a natural number) segments, the tiled floor units being composed of unit elements of 1 st to I (I being a natural number) blocks, the method comprising the steps of:
step 1: determining the overall design curve line shape of the steel box structure through simulation lofting, accurately drawing a horizontal base line and a vertical base line on a single element of the tiled floor unit, and marking the horizontal base line and the vertical base line as positioning references for splicing the tiled floor unit of the steel box structure;
step 2: each transverse base line penetrates through all the single elements in the section where the radial direction of the curve line shape is located; setting one or more transverse base lines according to the column number of the unit elements in each section so as to ensure that the transverse base lines are distributed on each unit element;
step 3: each longitudinal base line at least penetrates through the flat-laid base plate units of two sections along the annular direction of the curve line shape, one or more longitudinal base lines are arranged according to the row number of the single elements in each section, and the longitudinal base lines are distributed on each single element;
step 4: planning a relative coordinate system in an assembly area according to the structural characteristics of the steel box structure and the assembly site conditions, drawing a ground sample line according to the coordinate system, and installing a jig frame;
step 5: and sequentially assembling the single elements on the jig frame according to the ground pattern line, the horizontal base line and the vertical base line until the assembly of all the tiled floor units in the assembling turn is completed.
Step 6: and assembling the inner partition plate, the lateral wall plate and the top plate of the curve steel box structure on the basis of the flat-laid bottom plate unit in sequence until the whole box structure is assembled.
Preferably, step 5 comprises the steps of:
step 51: positioning and completing the assembly of the 1 st single element on the jig frame according to the ground pattern line and the horizontal base line and the longitudinal base line on the 1 st single element of the 1 st segment of the flat-bed plate unit, and the like until the assembly of the I st single element of the 1 st segment of the flat-bed plate unit is completed;
step 52: and (5) circulating the step (51) until the assembly of the I-th single element of the tiling bottom plate unit of the N-th section is completed, and thus, the installation of the tiling bottom plate units of all steel box structures in the assembly round is completed.
Preferably, in the assembling process, the number of sections of the tiled floor units participating in the assembling at the same time is not less than 3 sections in step 51 and step 52.
Preferably, the transverse base line and the longitudinal base line are both straight lines.
Preferably, the transverse base lines are arranged along the radial direction of the curve line shape of the steel box structure, and the longitudinal base lines are arranged along the circumferential direction of the curve line shape of the steel box structure.
Preferably, adjacent longitudinal base lines should overlap crosswise for ensuring continuity of the longitudinal positioning reference.
Compared with the prior art, the invention has the beneficial effects that: according to the cross baseline control method for the block assembly manufacturing of the curve steel box structure, the characteristics of cross baselines and longitudinal baselines which are mutually crossed and collinearly associated are utilized according to the horizontal baselines and the longitudinal baselines on the single elements and the ground sample lines of an assembly area coordinate system, the block assembly and the segmentation of the tiled bottom plate units are realized on the jig frame, the radial positioning of the curve is realized by utilizing the horizontal baselines, the radial positioning of the curve is realized by utilizing the longitudinal baselines, the check correction is realized by the ground sample lines of the coordinate system, the operation is simple, the accurate positioning effect is realized, the assembly precision of the curve steel box structure is effectively improved, the manufacturing line shape and the assembly quality of the curve structure are ensured, the assembly difficulty is simultaneously reduced, the construction efficiency is remarkably improved, and the construction cost is indirectly saved.
Drawings
FIG. 1 is a schematic view of a part of the structure of an N (N is a natural number) th tiled floor unit according to the present invention;
FIG. 2 is a flow chart of a control method of the horizontal base line and the vertical base line of the invention;
fig. 3 is a flow chart of the assembly of the tiled floor element of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a cross-baseline control method for block assembly manufacturing of a curved steel box structure for round assembly of tiled floor units of 1 st to nth (N being a natural number) segments, the tiled floor units being composed of unit elements of 1 st to I (I being a natural number) blocks, the method comprising the steps of:
step 1: determining the overall design curve line shape of the steel box structure through simulation lofting, accurately drawing a transverse base line and a longitudinal base line on a single element of a flat-laid base plate unit, and marking, wherein the transverse base line and the longitudinal base line are both straight lines, the transverse base line is arranged along the radial direction of the curve line shape of the steel box structure, the longitudinal base line is arranged along the circumferential direction of the curve line shape of the steel box structure, the adjacent longitudinal base lines are in crossed overlapping for ensuring the continuity of a longitudinal positioning reference, and the transverse base line and the longitudinal base line are used as positioning references for the assembly of the flat-laid base plate unit of the steel box structure;
step 2: each transverse base line penetrates through all the single elements in the section where the radial direction of the curve line shape is located; setting one or more transverse base lines according to the column number of the unit elements in each section so as to ensure that the transverse base lines are distributed on each unit element;
step 3: each longitudinal base line at least penetrates through the flat-laid base plate units of two sections along the annular direction of the curve line shape, one or more longitudinal base lines are arranged according to the row number of the single elements in each section, and the longitudinal base lines are distributed on each single element;
step 4: planning a relative coordinate system in an assembly area according to the structural characteristics of the steel box structure and the assembly site conditions, drawing a ground sample line according to the coordinate system, and installing a jig frame;
step 5: and sequentially assembling the single elements on the jig frame according to the ground pattern line, the horizontal base line and the vertical base line until the assembly of all the tiled floor units in the assembling turn is completed.
Step 6: and assembling the inner partition plate, the lateral wall plate and the top plate of the curve steel box structure on the basis of the flat-laid bottom plate unit in sequence until the whole box structure is assembled.
In this embodiment, step 5 includes the following steps:
step 51: positioning and completing the assembly of the 1 st single element on the jig frame according to the ground pattern line and the horizontal base line and the longitudinal base line on the 1 st single element of the 1 st segment of the tiled floor unit, and the like until the assembly of the I st single element of the 1 st segment of the tiled floor unit is completed;
step 52: and (5) circulating the step (51) until the assembly of the I-th single element of the tiling bottom plate unit of the N-th section is completed, and thus, the installation of the tiling bottom plate units of all steel box structures in the assembly round is completed.
It is worth noting that due to the large structural size of the steel box structure, the factors of transportation, hoisting and the like of the single elements are considered, each section is assembled by a plurality of single elements in a blocking mode, and in the assembling process, the number of sections of each flat bottom plate unit which participates in the assembling process is not less than 3.
When the cross baseline control method for the block assembly manufacturing of the curve steel box structure is used, the cross baselines and the longitudinal baselines on the single elements are utilized to mutually cross and collinearly correlate the ground sample lines according to the cross baselines and the longitudinal baselines on the single elements, the ground sample lines of the coordinate system of the assembly area are utilized to assemble the ground sample lines of the flat sample plate units on the jig frame in a block and subsection mode, curve radial positioning is carried out according to the cross baselines, curve annular positioning is carried out on the longitudinal baselines, and rechecking correction is carried out on the ground sample lines of the coordinate system, each cross baseline penetrates through all single elements in the radial direction of the curve line shape, each longitudinal baseline penetrates through the ground sample plate units of two sections at least in the annular direction of the curve line shape, cross overlapping exists on adjacent longitudinal baselines so as to ensure the control accuracy of assembly, the assembly line shape is carried out in the assembly process of each single element and after assembly is completed, the assembly line shape of the ground sample lines of the assembly area coordinate system is rechecked, then the subsequent inner partition plates, the side partition plates and the top plate of the curve steel box structure are assembled in sequence on the basis of the flat sample plate units until the assembly is completed, the integral box structure is formed, the operation is simple, the effect of accurate positioning is achieved, the efficiency is improved, the curve efficiency is improved, the manufacturing efficiency is greatly improved, the assembly efficiency is convenient, and the assembly is convenient, and construction is convenient, and is convenient to use.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a control method of crossing baseline that is used for curve steel case structure piecewise group to piece together and make up for carry out the round equipment to the tiling bottom plate unit of 1 st-N (N is natural number) festival section, tiling bottom plate unit is by the unit element of 1 st-I (I is natural number) piece, its characterized in that: the method comprises the following steps:
step 1: determining the overall design curve line shape of the steel box structure through simulation lofting, accurately drawing a horizontal base line and a vertical base line on a single element of the flat bottom plate, and marking the horizontal base line and the vertical base line as positioning references for assembling the flat bottom plate units of the steel box structure;
step 2: each transverse base line penetrates through all the single elements in the section where the radial direction of the curve line shape is located; setting one or more transverse base lines according to the column number of the unit elements in each section so as to ensure that the transverse base lines are distributed on each unit element;
step 3: each longitudinal base line at least penetrates through the flat-laid base plate units of two sections along the annular direction of the curve line shape, one or more longitudinal base lines are arranged according to the row number of the single elements in each section, and the longitudinal base lines are distributed on each single element;
step 4: planning a relative coordinate system in an assembly area according to the structural characteristics of the steel box structure and the assembly site conditions, drawing a ground sample line according to the coordinate system, and installing a jig frame;
step 5: sequentially assembling the single elements on the jig frame according to the ground pattern line, the horizontal base line and the longitudinal base line until the assembling of all the tiled floor units in the assembling round is completed; the transverse base lines are arranged along the radial direction of the curve line shape of the steel box structure, and the longitudinal base lines are arranged along the circumferential direction of the curve line shape of the steel box structure; adjacent longitudinal base lines are overlapped in a crossing way and are used for ensuring the continuity of the longitudinal positioning base lines;
the method comprises the following steps:
step 51: positioning and completing the assembly of the 1 st single element on the jig frame according to the ground pattern line and the horizontal base line and the longitudinal base line on the 1 st single element of the 1 st segment of the tiled floor unit, and the like until the assembly of the I st single element of the 1 st segment of the tiled floor unit is completed;
step 52: the step 51 is circulated until the assembly of the I-th single element of the tiling bottom plate unit of the N-th section is completed, and the installation of the tiling bottom plate units of all steel box structures in the assembly round is completed;
step 6: and assembling the inner partition plate, the lateral wall plate and the top plate of the curve steel box structure on the basis of the flat-laid bottom plate unit in sequence until the whole box structure is assembled.
2. The cross baseline control method for block assembly manufacturing of a curved steel box structure according to claim 1, wherein: in the assembling process, the number of the sections of the tiled floor units which participate in the assembling at the same time is not less than 3 sections in the steps 51 and 52.
3. The cross baseline control method for block assembly manufacturing of a curved steel box structure according to claim 1, wherein: the transverse base line and the longitudinal base line are both straight lines.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442748.2A CN111636303B (en) | 2020-05-22 | 2020-05-22 | Cross baseline control method for block assembly manufacturing of curve steel box structure |
| DE102021113293.2A DE102021113293A1 (en) | 2020-05-22 | 2021-05-21 | A cross baseline control method for the block assembly and manufacture of curved steel box structures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010442748.2A CN111636303B (en) | 2020-05-22 | 2020-05-22 | Cross baseline control method for block assembly manufacturing of curve steel box structure |
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| CN111636303A CN111636303A (en) | 2020-09-08 |
| CN111636303B true CN111636303B (en) | 2023-05-02 |
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| CN114214959B (en) * | 2021-12-31 | 2024-03-26 | 中铁宝桥集团有限公司 | Vertical linear lofting method for manufacturing oblique steel box girder |
| CN115162182B (en) * | 2022-07-20 | 2023-09-15 | 中国五冶集团有限公司 | Cantilever type steel box girder high-precision cable hoisting construction method |
| CN115533125A (en) * | 2022-10-18 | 2022-12-30 | 中建科工集团有限公司 | Method for manufacturing special-shaped stainless steel body based on 3D printing model |
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| JP2000008327A (en) * | 1998-06-24 | 2000-01-11 | Kawada Industries Inc | Erection constructing method for curved steel floor plate bridge |
| CN101709571A (en) * | 2009-12-03 | 2010-05-19 | 中铁宝桥集团有限公司 | Preparation method of set of datum lines of bridge steel box girder |
| CN103084806B (en) * | 2013-01-18 | 2015-05-20 | 中铁宝桥（扬州）有限公司 | Large curve steel box grider manufacture method |
| CN110373997A (en) * | 2019-04-19 | 2019-10-25 | 中铁宝桥集团有限公司 | The production method and moulding bed of curve plate girder segment |
| CN110804956B (en) * | 2019-09-26 | 2021-10-01 | 中国一冶集团有限公司 | Construction method for replacing special-shaped curve steel box girder support |
| CN111287067A (en) * | 2020-02-03 | 2020-06-16 | 广西路桥工程集团有限公司 | Manufacturing method for curved part of steel box arch unit |
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