CN111894223A - Method for separating, externally processing and installing large-area multi-curved-surface artistic ribbon - Google Patents
Method for separating, externally processing and installing large-area multi-curved-surface artistic ribbon Download PDFInfo
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- CN111894223A CN111894223A CN202010589430.7A CN202010589430A CN111894223A CN 111894223 A CN111894223 A CN 111894223A CN 202010589430 A CN202010589430 A CN 202010589430A CN 111894223 A CN111894223 A CN 111894223A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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Abstract
The invention relates to a method for dividing, externally processing and installing a large-area multi-curved-surface artistic ribbon, which is installed in a large-scale artistic venue and structurally comprises a basic framework, a unit component and a wood veneer surface layer. The method of the invention firstly divides the integral ribbon-shaped decorations into pieces, then processes the pieces into unit components through an external factory after the pieces are divided, then transports the unit components to the site for splicing, and finally processes the wooden decorative surface, and divides the steps into a plurality of links to complete the design, the piece division, the processing and the construction, thereby breaking through the fence of the prior art, having very good practical effect, and the finished ribbon-shaped decorations are agile, elegant and rich in texture, and obtaining the consistent and good evaluation of the design party and the owner party.
Description
Technical Field
The invention relates to the field of architectural decoration, in particular to a method for dividing, processing and installing a large-area multi-curved-surface artistic streamer in a large-scale artistic venue.
Background
In the present building construction field, by combining the BIM model with the digital construction system, many components in the building can be processed in different places, directly transported to the building construction site, and assembled into the building (such as GRG, arc ceiling aluminum plate, etc.). The prefabricated building components can be automatically completed through digital construction, and the components manufactured by the precision mechanical technology of a factory not only reduce construction errors, but also greatly improve the productivity of component manufacturing, so that the construction period of the whole building construction is shortened and the construction is easy to control.
For buildings with complicated special-shaped decorative surfaces, in particular to structures with artistic shapes such as ribbons, the prior art is that the structures are directly integrated by a base layer and a decorative surface through digital auxiliary design and technologies such as numerical control processing and the like, and then the structures are directly assembled on site. However, for the wood-faced streamer inside a large-scale venue, the requirements are high and strict, the requirements on the appearance precision are high, the requirements on acoustic requirements and smooth and seamless appearance are guaranteed, the situation that the streamer cannot be realized through direct assembly type assembly of one material is caused, and the streamer can be realized only through precise calculation and scientific piece-dividing construction.
At present, the mainstream special-shaped wood veneer in the industry is divided into parts according to the processing capacity of a factory and the specification of a plate, and a process seam is required to be left between wood veneer plates after the installation is finished. Aiming at the construction of the ribbon-shaped wood veneer on the inner wall surface of a theater, the requirements of rigidity and flexibility are met according to the shape, the internal and external corners are clear, and no parting is formed. Meanwhile, a series of problems such as acoustics, material resonance, fire prevention, temperature change influence, structural strength and the like need to be considered in a theater.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a new method for dividing, processing and installing the ribbon-shaped decorative surface in a large artistic venue. The method for splitting, processing and installing the ribbon-shaped decorative surface provided by the invention has the advantages of reasonable splitting, high installation precision, convenience in processing and low construction difficulty.
In order to achieve the purpose of the invention, the technical scheme provided by the invention patent is as follows:
a method for dividing, externally processing and installing large-area multi-curved surface artistic ribbon is characterized in that a ribbon-shaped decorative surface installed in a large artistic venue is a semi-enclosed structure which is integrally C-shaped, the structural composition of the ribbon-shaped decorative surface comprises a basic layer framework, unit components and a wood decorative surface layer, the basic layer component is installed on the inner wall of the large artistic venue, a plurality of unit components are installed on the basic layer framework and spliced into a ribbon shape, the spliced unit components are provided with the wood decorative surface layer, the method comprises a dividing link, an externally processing link and an installing link,
the part splitting link comprises the following steps:
the method comprises the steps of firstly, dividing a three-dimensional model of the ribbon shape into pieces according to the processing, transportation capacity and economy of a factory, enabling the length of each unit component after the pieces are divided to be not more than 2.5 meters and the height of each unit component to be not more than 2 meters, and keeping the continuity of the ribbon shape during the pieces dividing;
secondly, cutting longitudinally and transversely along a coordinate axis during splitting to ensure that longitudinal split lines are perpendicular to a horizontal plane and are parallel to each other, wherein adjacent longitudinal split lines are the lengths of the unit components, a horizontal boundary line is selected on an internal corner line or an external corner line of the ribbon shape, a coordinate system is kept unchanged during splitting to ensure the manufacturing and installation precision of each unit component after splitting, and after a software system is used for splitting the three-dimensional model of the ribbon into a plurality of unit components, each unit component is converted into an independent processing model and a corresponding processing view is generated;
thirdly, properly correcting the longitudinal dividing line of the unit component, and correcting the arc of part of the approximate straight line into a straight line to control the processing precision;
fourthly, manufacturing a coordinate control table and a machining size control table of each unit component, wherein each numbered unit component is provided with an independent machining model and a machining view;
in the external processing link:
fifthly, processing the divided unit components in an external processing factory, manufacturing each unit component in a processing model and a processing view, wherein the unit components to be processed structurally comprise a basic layer framework, a steel framework is longitudinally used as a main body of the basic layer framework, flat steel bent by a numerical control machine tool is transversely used, the unit framework is manufactured by two steel frameworks, a plurality of flat steels and a plurality of support rods, and a steel plate mask is covered on the surface of the flat steel of the unit framework;
sixthly, synchronously processing two longitudinal steel frames between adjacent unit components by A, B sleeves to keep the structures of the two longitudinal steel frames the same, simultaneously punching holes on a numerical control machine tool to form corresponding connecting holes after the adjacent steel frames are aligned, screwing the knocking bolts through the connecting holes in the installation process, correcting the outer contour line of the surface while realizing the reinforcement connection, and ensuring that the arc of the outer contour line is smooth and continuous;
seventhly, designing a special working platform in an external processing factory to ensure the processing precision of the unit components, wherein the working platform comprises an operation table top and supporting legs, the four supporting legs are respectively arranged at the bottom of the square operation table top, criss-cross square grids are arranged on the operation table top of the working platform, scales are marked on the grids to serve as control coordinates, the steel frames are processed and welded on the working platform according to a processing view and a size control table, two adjacent AB steel frames are simultaneously processed during processing and welding, transversely bent flat steel is processed on the numerical control pipe bender, and control points are set according to the control size during flat steel processing to match the direction of an arc line on the surface;
eighthly, assembling the processed steel frame, flat steel and skin into corresponding unit components by using a special processing and checking platform, assembling and manufacturing each unit component which is singly numbered and adjacent unit components together, connecting the steel frames processed by the AB sleeve together by using bolts to ensure the connection precision of the adjacent unit components, arranging angle iron frames at two sides of the processing and checking platform, standing and fixing the steel frames according to coordinates, controlling the verticality and levelness of the basic frame to control the precision, controlling the transverse flat steel manufactured by using a numerical control pipe bender to complete positioning by using the coordinates of a grid platform, and controlling the positioning by using at least five space points (X, Y and Z) for each transverse flat steel;
ninth, a factory is pre-assembled, so that each manufactured unit component is assembled according to the number, four to six adjacent unit components are assembled in groups in the factory, the size is measured and corrected, and each unit component is shaped after checking and correcting;
in the installation step:
tenth, disassembling the corrected and shaped unit components, respectively transporting the unit components to a construction site, and placing the unit components in a classified manner so as to be convenient for actual assembly;
the tenth step, manufacturing a basic framework on site, wherein the height control of the basic framework is realized according to coordinates in a coordinate control table, the basic framework comprises a support frame fixed on a wall and a horizontal shelf positioned at the free end part of the support frame, inclined struts are arranged between the support frame and the wall and between the horizontal shelf and the wall, the horizontal shelf is provided with a plurality of groups according to the height of the position, and the outline shape of the basic framework is a ribbon-shaped trend;
a tenth step of hoisting and positioning, namely determining a height marking point on the basic framework, wherein the height marking point is used as an installation supporting point (Z), a horizontal coordinate point (Y) is required to be determined on the supporting point of each unit component, a final transverse coordinate point (X) is determined through the in-and-out adjustment of a supporting frame on the basic framework, after the positioning is completed, rechecking the control elevation by using a total station, assembling adjacent unit components in sequence after the rechecking is qualified, and rechecking once again after four unit components are installed to ensure the installation precision;
and step thirteen, sequentially assembling each unit component, finishing the assembly, reproducing the integral modeling of the three-dimensional model, carrying out counterweight and veneer installation, adhering gypsum laths on the back surfaces of the steel plate surfaces of the unit components for counterweight, balancing 35 kilograms of gypsum boards per square meter to meet the acoustic requirements during counterweight, fixing high-density laths on the surfaces of the steel plate surfaces, adhering wood skins on the high-density laths, and detecting the processing and installation operation of the accurately finished ribbon-shaped wood veneer.
In the method for separating, externally processing and installing the large-area multi-curved surface artistic streamer, the operation mode of separating the streamer on the three-dimensional model with the shape of the streamer in the first step is as follows: firstly, carrying out space surveying and mapping on the interior of a large-scale venue finished by civil engineering construction, carrying out field scanning surveying and mapping by using a three-dimensional scanner, and generating a point cloud model from surveying and mapping points; integrating the generated point cloud model with a BIM model in the large venue to form a three-dimensional model of a lightweight solid grid surface; and finally, carrying out unit block division on the integral base layer surface of the complex special-shaped decorative surface on the three-dimensional model.
In the method for separating, externally processing and installing the large-area multi-curved-surface artistic streamer, four-point location information is output to the unit members in the second step, each output unit block is numbered, and simultaneously, curved surface edge lines of the unit blocks are extracted and a three-dimensional wire frame model is derived.
In the fifth step, the unit component to be processed structurally comprises a base layer framework, a steel framework is longitudinally used as a main body of the base layer framework, two sides of the steel framework are parallel support legs, the middle of the steel framework is provided with a bending section which is in accordance with the angle of a curved surface, two ends of the bending section are respectively fixed on the upper parts of the support legs, flat steel which is formed by bending the steel framework transversely by a numerical control bending machine is respectively fixed on the bending sections, support rods are arranged on the support legs of the two opposite steel frameworks, the unit framework is made of the two steel frameworks, the plurality of flat steels and the plurality of support rods, and the surface of the flat steel of the unit framework is covered with a steel plate mask.
In the method for separating, externally processing and installing the large-area multi-curved-surface artistic streamer, the working platform in the seventh step comprises an operation table top and supporting legs, the four supporting legs are respectively arranged at the bottom of the square operation table top, criss-cross square grids are arranged on the operation table top of the working platform, scales are marked on the grids to serve as control coordinates, the steel frame is processed and welded on the working platform according to a processing view and a size control table, and two adjacent AB steel frames are simultaneously processed during processing and welding.
In the method for dividing, externally processing and installing the large-area multi-curved-surface artistic ribbon, the processing and checking platform structurally comprises a construction platform, the construction platform is laid on the ground in a factory building, one side of the construction platform is provided with a vertical fixed mountain-leaning plate, one side of the construction platform, which is opposite to the mountain-leaning plate, is provided with a pre-assembled support at a movable position, grids are respectively arranged on the construction platform and the mountain-leaning plate, scales are arranged on the grids, longitudinally adjacent unit components are simultaneously manufactured on the construction platform of the processing and checking platform, four corresponding steel frames of the unit components are vertically fixed on the construction platform during manufacturing, one steel frame is taken as a reference, a temporary fixing support is welded on the edge of the steel frame taken as the reference to keep the vertical state, and the opposite steel frame and the adjacent steel frame are respectively fixed in place, two stability reinforcements are connected between a group of opposite steel frames, processed flat steel is fixed between the reference steel frame and the opposite steel frames, and the edge of the pre-assembled support close to the outermost side of the unit component combination is used as the outermost side support.
In the method for dividing, externally processing and installing the large-area multi-curved-surface artistic streamer, the eight step needs to control five coordinate points on the flat steel to be installed in place when each unit component is installed on the steel frame.
The ninth step is that when the external processing factory is pre-assembled, the processed unit components are placed according to the numbers, four to five adjacent unit components are selected to be hoisted for pre-assembly, a support frame is erected in the field during pre-assembly to simulate a field installation scene, find out problems and mark deviations, and after the deviation is removed, correction is carried out.
In the method for dividing, externally processing and installing the large-area multi-curved-surface artistic ribbon, the basic framework is manufactured in an indoor construction site in the tenth step, the height control of the basic framework is realized according to coordinates in a coordinate control table, the basic framework comprises a support frame fixed on a wall, vertical supports connected to the support frame and horizontal shelves positioned at the free end parts of the support frame, inclined supports are further arranged between the support frame and the wall and between the horizontal shelves and the wall, the positions of the vertical supports are longitudinal dividing line positions, the horizontal shelves are provided with a plurality of groups according to the positions, and the outline shape of the basic framework is in a ribbon-shaped trend.
The twelfth step of hoisting and positioning is that a height marking point is determined on a base framework, the height marking point serves as a mounting supporting point (Z), a horizontal coordinate point (Y) needs to be determined on the supporting point of each unit component, a final horizontal coordinate point (X) is determined through the in-and-out adjustment of a supporting frame on the base framework, after the positioning is completed, a total station is used for rechecking a control elevation, adjacent unit components are assembled in sequence after the rechecking is qualified, when the adjacent unit components are assembled, vertical assembling is performed according to a vertical dividing line, then the horizontal assembling is performed, and the rechecking is performed once after four unit components are mounted so as to ensure the mounting precision.
In the thirteenth step, each unit component is assembled in sequence, the total assembly is completed, the integral modeling of a three-dimensional model is reproduced, the counterweight and the veneer installation are carried out, firstly, gypsum laths are pasted on the back surface of a steel plate covering on each unit component for counterweight, 35 kilograms of gypsum boards are weighed per square meter to meet the acoustic requirement when the counterweight is carried out, then, high-density laths are fixed on the surface of the steel plate covering, the high-density laths are cut according to the length of the modeling, butt joint is carried out in the length direction, the protruding parts are polished and chamfered, the line type is ensured to be consistent with the line type of the steel plate covering, finally, wood veneers are pasted on the high-density laths, the connecting parts are ensured to be in seamless butt joint when the wood veneers are pasted, and the processing and installation operation of the accurately finished ribbon-shaped wood veneer is detected.
Based on the technical scheme, the invention discloses a piece separating, external processing and mounting method of a large-area multi-curved-surface artistic streamer, which has the following technical effects through practical application:
1. the invention aims at the design, production and installation engineering of ribbon-shaped ornaments in a large-scale art venue, and the large-scale ribbon-shaped ornaments have larger size, are integrally distributed in a C shape, have the installation height of dozens of meters and the length of dozens of meters, have the height of two to three meters, require the surfaces of the ornaments to have solid wood texture, are elegant and natural, meet the acoustic requirements and cannot generate the phenomenon that echo and the like influence the acoustic effect of the art venue, and the decoration form, the size height and the structural form have not been used before, thereby causing great difficulty for design and construction. The invention relates to a method for manufacturing a ribbon-shaped ornament, which aims at the situation, utilizes a digital technology to divide the integral ribbon-shaped ornament into pieces, then the pieces are processed into unit components through an external factory, then the unit components are transported to the site for splicing, and finally the wooden decorative surface is processed.
2. The invention discloses a method for designing a large-scale ribbon-shaped ornament, which is implemented by adopting a BIM mode, and then the internal dimension of a building after actual completion is measured on site to carry out reverse modeling, so that the overall characteristic of an actual ribbon is simulated, and piece splitting is carried out by utilizing software, the position of a longitudinal parallel mode is adopted during piece splitting, and the position of an internal corner line or an external corner line of the ribbon design is transversely selected, so that continuity and continuity are kept after piece splitting, the smoothness of transition is ensured, and the processing capacity and the transportation capacity of a factory are considered by the size of each unit component during piece splitting, so that hoisting, transportation and assembly are facilitated. When the parts are separated, the curved surfaces and the curved lines are processed to be straight as far as possible on the premise of not influencing the overall effect, and the difficulty and the cost of actual processing are reduced.
3. The invention discloses a method for processing unit components, which aims to ensure the precision and the processing convenience, and specially designs auxiliary tools, wherein the auxiliary tools comprise a working platform for processing a steel frame and a processing and checking platform for fixing the steel frame, flat steel and a steel covering surface, the method for processing the AB surface is adopted to practically ensure the corresponding degree of adjacent steel frames, simultaneously, mounting holes are processed to ensure accurate alignment during assembling, in addition, a numerical control bending machine is adopted for processing the flat steel to ensure the bending size to be in place, and the other function of the processing and checking platform is to assemble the adjacent unit components together for multiple integral assembling.
4. According to the invention, when the unit components are processed in an external processing factory, the matching consistency of adjacent unit components is ensured by adopting an AB surface processing mode, the verification and adjustment are carried out by adopting a pre-assembly mode of a plurality of unit components, and whether the unit components meet the drawing requirements and practical installation requirements is checked by simulating the actual installation environment, so that the manufacturing and installation precision is further ensured.
5. The unit component of the patent application of the invention is transported to a construction site, a special base layer framework is fixed at the installation position of the ribbon-shaped ornament in the construction site, the base layer framework is used as an installation support of the unit component and aims to ensure the accuracy of the installation position, the structure of the base layer component adopts the form of a front horizontal shelf, the rear end of the base layer component is connected to the wall of a building, a plurality of inclined struts are utilized to ensure that the base layer component can bear the weight of the whole ribbon, the design form of a plurality of horizontal shelves at the front end is the unit component which can be placed in place and can be adjusted in the transverse position, the problems of installation and adjustment are innovatively solved, and the installation convenience and the installation accuracy are further improved.
6. When the unit component is installed, a height marking point is determined on a basic framework and serves as an installation supporting point (Z), a horizontal coordinate point (Y) needs to be determined on the supporting point of each unit component, a final transverse coordinate point (X) is determined through in-out adjustment of a supporting frame on the basic framework, after positioning is completed, a total station is used for rechecking a control elevation, adjacent unit components are assembled in sequence after rechecking is qualified, and rechecking is carried out once after four unit components are installed so as to ensure installation accuracy.
7. After the unit components are assembled, firstly plaster laths are pasted on the back of the steel plate covering surface of the unit components for balancing weight, 35 kilograms of plaster plates are balanced per square meter to meet the acoustic requirement when the weight is balanced, then high-density laths are fixed on the surface of the steel plate covering surface, and finally, wood veneers are pasted on the high-density laths. The gypsum lath is convenient to mount in a form of being assembled behind and cannot cause the risk of surface paint skin and cracking, the gypsum lath is adopted as a counter weight to meet the acoustic requirement, and the dense small holes are distributed on the surface of the steel plate covering, so that the high-density lath is easier to be connected through environment-friendly glue, the connection strength is improved, and the subsequent cracking and opening are avoided. Through the surface treatment in a multilayer form, the large ribbon-shaped ornament can meet the acoustic requirements of an art venue, and the surface of the large ribbon-shaped ornament has a smooth, elegant and flexible dynamic shape, so that the wooden surface of the large ribbon-shaped ornament has more texture, and the double effects of technical benefits and social benefits are achieved.
Drawings
Fig. 1 is an operational flow chart of the piece separating, external processing and mounting method of the large-area multi-curved artistic streamer of the invention.
Fig. 2 is a schematic structural view of a ribbon-shaped decorative surface in the method of separating, externally processing and mounting the large-area multi-curved artistic ribbon of the present invention.
Fig. 3 is a schematic view of the division of the ribbon-like decorative surface in the method of division, external processing and installation of the large-area multi-curved artistic ribbon of the present invention.
Fig. 4 is a schematic structural diagram of a working platform in the method for splitting, externally processing and installing the large-area multi-curved artistic streamer.
Fig. 5 is a schematic structural diagram of a processing and checking platform in the method for splitting, externally processing and installing the large-area multi-curved artistic streamer.
Fig. 6 is a schematic view of the assembly of adjacent unit members by using a processing and checking platform in the method for splitting, external processing and mounting the large-area multi-curved artistic streamer.
Fig. 7 is a schematic structural view of a unit member in the method of dividing, externally processing and mounting the large-area multi-curved artistic flag of the present invention.
Fig. 8 is a schematic structural diagram of the surface layer in the method of splitting, external processing and mounting the large-area multi-curved artistic streamer.
Detailed Description
The following will be described in detail with reference to the drawings and specific embodiments, so as to clearly understand the structural composition and the working manner, but not to limit the scope of the present invention.
The invention discloses a construction method for designing large-scale special-shaped ribbon-shaped decorations in large-scale buildings such as art venues and the like, and solves the problem that the installation and correction of actual decorations are completed from the beginning of a design model, so that an effect entity of art design is presented. Compared with other special-shaped multi-curved-surface ornaments in the prior art, the large-sized C-shaped ribbon-shaped ornament has higher complexity, and is characterized by large size, high installation position, more control points, obvious shape change and higher construction difficulty, can be directly applied without the existing construction process, and must be reconstructed from design, manufacture to specific construction. The invention adopts a digital auxiliary construction method to combine the internal structure requirements of a large-scale venue, aims at the appearance and performance requirements of a complex special-shaped decorative surface, particularly a large-scale wood veneer streamer, adopts a form of firstly scanning on site and modeling reversely, then combines the structure composition requirements, designs a proper base layer curved surface by using a computer, divides unit blocks, carries out factory processing and site installation on the unit blocks, and finally manufactures the whole artistic surface layer, ensures the solid wood texture of the artistic surface layer, realizes the warm and full artistic quality in the venue, shows the agility and elegant style of the streamer modeling, and has visual impression and impact force, thereby ensuring the structural performance and the acoustic artistic requirements of the wood veneer streamer.
The invention relates to a method for dividing, externally processing and installing a large-area multi-curved-surface artistic ribbon, which is a process from model drawings to entity decoration of ribbon-shaped decorations designed by designers. The ribbon-shaped decorative surface installed in the large-scale art venue is of a semi-enclosed structure which is C-shaped as a whole, the ribbon-shaped decorative surface comprises a basic framework, unit components and a wood decorative surface layer in structural composition, the basic framework is installed on the inner wall of the large-scale art venue, the unit components are installed on the basic framework and spliced into a ribbon shape, the wood decorative surface layer is arranged on the spliced unit components, and the method comprises a splitting link, an external processing link and an installation link, which are shown in figure 1.
The invention comprises the following steps in the part dividing link:
the method comprises the following steps of firstly, dividing a three-dimensional model of the ribbon shape, dividing the three-dimensional model according to factory processing, transportation capacity and economy, keeping the continuity of the ribbon shape when dividing each unit component, wherein the length of each unit component is not more than 2.5 m and the height of each unit component is not more than 2 m, and the operation mode of dividing the three-dimensional model of the ribbon shape is as follows: firstly, carrying out space surveying and mapping on the interior of a large-scale venue finished by civil engineering construction, carrying out field scanning surveying and mapping by using a three-dimensional scanner, and generating a point cloud model from surveying and mapping points; integrating the generated point cloud model with a BIM model in the large venue to form a three-dimensional model of a lightweight solid grid surface; and finally, carrying out unit block division on the integral base layer surface of the complex special-shaped decorative surface on the three-dimensional model.
And secondly, cutting longitudinally and transversely along a coordinate axis during splitting to ensure that the longitudinal split lines are perpendicular to a horizontal plane and are parallel to each other, wherein adjacent longitudinal split lines are the lengths of the unit components, transverse boundary lines are selected on internal corner lines or external corner lines of the ribbon shape, a coordinate system is kept unchanged during splitting to ensure the manufacturing and installation precision of each unit component after splitting, a parameterized software system Grasshopper is utilized to split the three-dimensional model of the ribbon into a plurality of unit components, each unit component is converted into an individual processing model, corresponding processing views are generated, four-point location information is output to the unit components, each output unit block is numbered, and simultaneously, curved surface edge lines of the unit blocks are extracted and a three-dimensional wire frame model is derived.
And thirdly, properly correcting the longitudinal dividing line of the unit component, and correcting the arc part approximate to the straight line into the straight line so as to control the machining precision. The design of the large-scale ribbon-shaped ornaments is completed in a BIM mode, the internal dimension of a building after actual completion is measured on site, reverse modeling is carried out, the overall characteristics of an actual ribbon are simulated, software is utilized for splitting, longitudinal parallel mode positions are adopted during splitting, the positions of internal corner lines or external corner lines of the ribbon design are transversely selected, continuity and continuity are guaranteed after splitting, the smoothness of transition is guaranteed, and the size of each unit component during splitting considers the processing capacity and the transportation capacity of a factory so as to facilitate hoisting transportation and assembly as the premise. When the parts are separated, the curved surfaces and the curved lines are processed to be straight as far as possible on the premise of not influencing the overall effect, and the difficulty and the cost of actual processing are reduced.
And fourthly, manufacturing a coordinate control table and a machining size control table of each unit component, wherein each numbered unit component is provided with an independent machining model and a machining view. The unit components are converted into an independent processing model after being divided into pieces, the position and the size of the processing model are marked by coordinates of four corners, the processing model is further divided into pieces and subjected to coordinate conversion, the further divided pieces are divided into three dividing surfaces according to the longitudinal direction of the divided pieces and parallel to a longitudinal dividing line, three intersection points are formed between the three dividing surfaces and each transverse dividing line, the dividing lines are provided with five intersection point coordinates for carrying out space position determination, the processing size and the control point of each converted unit component are displayed on a size control table, the control point is marked by X, Y, Z three-dimensional coordinates, and the control point coordinates are converted from space coordinates where the unit components are longitudinally arranged into processing platform coordinates where the unit components are transversely arranged. Each unit component is provided with a corresponding processing dimension control table which lists the dimension length and the included angle of the bending part of the frame after longitudinal division, and five control point coordinates on each transverse boundary line, and the coordinates are projected on the working platform and the processing verification platform to serve as dimension control standards.
In the external processing link:
fifthly, processing the unit components after the parts are separated in an external processing factory, manufacturing each unit component in a processing model and a processing view, wherein the unit components to be processed structurally comprise a basic unit framework, a steel framework is longitudinally used for a main body of the basic unit framework, two sides of the steel framework are parallel supporting legs, a bending section which accords with a curved surface angle is arranged in the middle of the unit components, two ends of the bending section are respectively fixed on the upper portions of the supporting legs, flat steel which is bent by a numerical control bending machine is transversely used, two ends of the flat steel are respectively fixed on the bending sections, supporting rods are arranged on the supporting legs of the two opposite steel frameworks, the unit frameworks are manufactured by the two steel frameworks, a plurality of flat steels and a plurality of supporting rods, and the surface of the flat steel of the unit framework is covered with a steel plate mask.
Sixthly, synchronously processing two longitudinal steel frames between the adjacent unit components by A, B sleeves to keep the structures of the two longitudinal steel frames the same, simultaneously punching holes on a numerical control machine tool to form corresponding connecting holes after the adjacent steel frames are aligned, screwing the knocking bolts through the connecting holes in the installation process, correcting the outer contour line of the surface while realizing the reinforcement connection, and ensuring that the arc of the outer contour line is smooth and continuous.
Seventhly, designing a special working platform in an external processing factory to ensure the processing precision of the unit components, wherein the working platform comprises an operation table board and supporting legs, the four supporting legs are respectively arranged at the bottom of the square operation table board, a criss-cross square grid is arranged on the operation table board of the working platform, scales are marked on the grid to serve as control coordinates, the steel frame is processed and welded on the working platform according to a processing view and a size control table, two adjacent AB steel frames are simultaneously processed during processing and welding, transversely bent flat steel is processed on the numerical control pipe bending machine, and control points are set according to control sizes during flat steel processing to move towards a fitting surface arc line.
And eighthly, assembling the processed steel frame, the flat steel and the skin into corresponding unit components by using a special processing and checking platform, assembling and manufacturing each unit component with independent serial numbers and adjacent unit components together, connecting the steel frames processed by the AB sleeves together by using bolts to ensure the connection precision of the adjacent unit components, arranging angle iron frames on two sides of the processing and checking platform, standing and fixing the steel frames according to coordinates, controlling the verticality and the levelness of the basic frame to control the precision, and positioning by using the coordinate control of a grid platform for the horizontal flat steel manufactured by the numerical control pipe bender, wherein each horizontal flat steel is controlled and positioned by using at least five space points (X, Y and Z).
And ninthly, pre-assembling in a factory to assemble each manufactured unit component according to the number, assembling four to six adjacent unit components in groups in the factory, measuring and correcting the size, and calibrating and correcting each unit component. According to the invention, when the unit components are processed in an external processing factory, the matching consistency of adjacent unit components is ensured by adopting an AB surface processing mode, the verification and adjustment are carried out by adopting a pre-assembly mode of a plurality of unit components, and whether the unit components meet the drawing requirements and practical installation requirements is checked by simulating the actual installation environment, so that the manufacturing and installation precision is further ensured.
In the installation step:
tenth, disassembling the corrected and shaped unit components, respectively transporting the unit components to a construction site, and placing the unit components in a classified manner so as to be convenient for actual assembly;
and a tenth step of manufacturing a field basic framework, wherein the height control of the basic framework is realized according to coordinates in a coordinate control table, the basic framework comprises a support frame fixed on the wall and a horizontal shelf positioned at the free end part of the support frame, inclined struts are further arranged between the support frame and the wall and between the horizontal shelf and the wall, a plurality of groups of horizontal shelves are arranged according to the height of the positions, and the outline shape of the basic framework is a ribbon-shaped trend. The unit component of the patent application of the invention is transported to a construction site, a special base layer framework is fixed at the installation position of the ribbon-shaped ornament in the construction site, the base layer framework is used as an installation support of the unit component and aims to ensure the accuracy of the installation position, the structure of the base layer component adopts the form of a front horizontal shelf, the rear end of the base layer component is connected to the wall of a building, a plurality of inclined struts are utilized to ensure that the base layer component can bear the weight of the whole ribbon, the design form of a plurality of horizontal shelves at the front end is the unit component which can be placed in place and can be adjusted in the transverse position, the problems of installation and adjustment are innovatively solved, and the installation convenience and the installation accuracy are further improved.
And a twelfth step, hoisting and positioning, namely determining a height marking point on the basic framework, wherein the height marking point is used as a mounting supporting point (Z), a horizontal coordinate point (Y) is required to be determined on the supporting point of each unit component, a final transverse coordinate point (X) is determined through the in-and-out adjustment of a supporting frame on the basic framework, after the positioning is completed, rechecking the control elevation by using a total station, assembling adjacent unit components in sequence after the rechecking is qualified, and rechecking once again after four unit components are mounted so as to ensure the mounting precision.
And step thirteen, sequentially assembling each unit component, finishing the assembly, reproducing the integral modeling of the three-dimensional model, carrying out counterweight and veneer installation, adhering gypsum laths on the back surfaces of the steel plate surfaces of the unit components for counterweight, balancing 35 kilograms of gypsum boards per square meter to meet the acoustic requirements during counterweight, fixing high-density laths on the surfaces of the steel plate surfaces, adhering wood skins on the high-density laths, and detecting the processing and installation operation of the accurately finished ribbon-shaped wood veneer. After the unit components are assembled, the ribbon-shaped floating decorations are firstly attached to the back of the steel plate covering surface of each unit component for balancing, 35 kilograms of gypsum boards are balanced per square meter to meet the acoustic requirements during balancing, then the high-density battens are fixed to the surface of the steel plate covering surface, and finally, wood skins are attached to the high-density battens, as shown in fig. 8. In the finished ribbon-shaped ornament, as an important innovation point of the invention, in order to meet the requirements in an artistic venue, the gypsum lath is fixed on the unit component, in particular to be adhered and nailed on the back surface of the steel plate covering surface on the unit component, the gypsum lath is assembled on the back surface to be convenient for installation and not to cause the risk of surface paint skin and cracking, and the gypsum plate is adopted as a counter weight to meet the acoustic requirement.
In the method for dividing, externally processing and installing the large-area multi-curved-surface artistic ribbon, unit component processing needs to ensure precision and processing convenience, auxiliary tools are specially designed, the auxiliary tools comprise a working platform for processing a steel frame and a processing and checking platform for fixing the steel frame and a flat steel and steel cover surface, the corresponding degree of adjacent steel frames is practically ensured by adopting an AB surface processing mode, meanwhile, mounting holes are processed to ensure accurate alignment during assembling, in addition, a numerical control bending machine is adopted for processing the flat steel to ensure that the bending size is in place, and the other function of the processing and checking platform is to assemble the adjacent unit components together for multiple integral assembling.
As shown in fig. 4, the working platform in the seventh step includes an operation table and supporting legs, the four supporting legs are respectively arranged at the bottom of the square operation table, criss-cross square grids are arranged on the operation table of the working platform, and are marked with scales as control coordinates, the steel frames are processed and welded on the working platform according to the processing view and the size control table, and two adjacent steel frames AB are simultaneously processed during processing and welding.
As shown in fig. 5, the processing and checking platform structurally comprises a construction platform, the construction platform is laid on the ground in a factory building, one side of the construction platform is provided with a vertical fixed backer board, one side of the construction platform opposite to the backer board is provided with a pre-assembled support with a movable position, grids are respectively arranged on the construction platform and the backer board, the grids are provided with scales, longitudinally adjacent unit components are simultaneously manufactured on the construction platform of the processing and checking platform, four corresponding steel frames of the unit components are vertically fixed on the construction platform during manufacturing, one steel frame is used as a reference, a temporary fixing support is welded on the edge of the steel frame used as the reference to keep the vertical state, the corresponding steel frame and the adjacent steel frame are respectively fixed in place, and two stable reinforcements are connected between the opposite steel frames, and fixing the processed flat steel between the reference steel frame and the opposite steel frame, wherein the edge of the pre-assembled bracket close to the outermost side of the unit component combination is used as the outermost side support.
And in the eighth step, when each unit component is installed on the steel frame, five coordinate points on the flat steel need to be controlled to be installed in place.
And when the ninth step is pre-assembled in an external processing factory, firstly placing the processed unit components according to the serial numbers, selecting four to five adjacent unit components to hoist for pre-assembling, erecting a support frame in the field during pre-assembling to simulate a field installation scene, finding out problems and marking deviation, and correcting after the deviation is disassembled.
In the above tenth step, the height of the infrastructure is controlled according to the coordinates in the coordinate control table, the infrastructure includes a support frame fixed on the wall and a horizontal shelf at the free end of the support frame, an inclined strut is further arranged between the support frame and the horizontal shelf and the wall, the horizontal shelf is provided with a plurality of groups according to the height of the position, and the outline of the infrastructure is in the shape of a ribbon. For the basic framework, in order to ensure the emphasis and the applicability of the basic framework, a combination of a vertical keel and a transverse keel is designed, wherein the position of the vertical keel corresponds to the position of a longitudinal dividing line, the transverse keel is fixed on the vertical keel, and the basic framework forms a staggered frame through the transverse keel and the longitudinal keel, so that a position foundation is provided for the installation of a subsequent unit component, and the installation convenience and the installation precision are ensured.
And hoisting and positioning the unit components on the site in the twelfth step, determining a height marking point on the basic framework, wherein the height marking point is used as an installation supporting point Z, each unit component needs to determine a horizontal coordinate point Y on the supporting point, a final transverse coordinate point X is determined through the in-and-out adjustment of the supporting frame on the basic framework, after the positioning is completed, rechecking the control elevation by using a total station, sequentially assembling adjacent unit components after the rechecking is qualified, and rechecking once again after four unit components are installed to ensure the installation precision. During installation, a first coordinate point of a first unit component is determined as a control point, and then other four coordinate points are rechecked through the total station, so that the first unit component is ensured to be correctly installed, and after the first unit component is installed, other vertical unit components are sequentially installed. The unit members are detected in real time during installation, and the accuracy of the installation process is ensured by detecting three levels of a single unit member, the unit members in the vertical direction and a ribbon part area formed by a plurality of unit members.
In the above-mentioned thirteen step, every unit component is assembled in turn, and the final assembly is completed to reproduce the whole modeling of the three-dimensional model, and the counter weight and the facing installation are performed, firstly, the gypsum lath is pasted on the back surface of the steel plate covering surface of the unit component to perform the counter weight, 35 kilograms of gypsum boards are added per square meter to meet the acoustic requirement when the counter weight is performed, then, the high-density lath is fixed on the surface of the steel plate covering surface, the high-density lath is cut according to the length of the modeling, the butt joint is performed in the length direction, the protruding part is polished and chamfered, the line type is ensured to be consistent with the line type of the steel plate covering surface, finally, the veneer is pasted on the high-density lath, the connecting part is ensured to be in. When wooden veneer laths are spliced, the veneer laths serving as covers adopt an integral laying form as the covers, and the veneers are subjected to finger joint according to all angles of the curved surface direction, so that the integrity of the final effect is ensured.
The invention aims at the design, production and installation engineering of ribbon-shaped ornaments in a large-scale art venue, and the large-scale ribbon-shaped ornaments have larger size, are integrally distributed in a C shape, have the installation height of dozens of meters and the length of dozens of meters, have the height of two to three meters, require the surfaces of the ornaments to have solid wood texture, are elegant and natural, meet the acoustic requirements, cannot generate the phenomenon that echo and the like influence the acoustic effect of the art venue, have no decoration form, size height and structural form, and cause great difficulty for design and construction. The invention relates to a method for manufacturing a ribbon-shaped ornament, which aims at the situation, utilizes a digital technology to divide the integral ribbon-shaped ornament into pieces, then the pieces are processed into unit components through an external factory, then the unit components are transported to the site for splicing, and finally the wooden decorative surface is processed.
Claims (11)
1. A method for dividing, externally processing and installing a large-area multi-curved-surface artistic ribbon is characterized in that the large-area multi-curved-surface artistic ribbon installed in a large-scale artistic venue is of a semi-enclosed structure which is integrally C-shaped, the structure of the large-area multi-curved-surface artistic ribbon comprises a base layer framework, unit components and a wood veneer surface layer, the base layer components are installed on the inner wall of the large-scale artistic venue, a plurality of unit components are installed on the base layer framework and spliced into a ribbon shape, the wood veneer surface layer is arranged on the spliced unit components, the method comprises a dividing link, an externally processing link and an installing link,
the part splitting link comprises the following steps:
the method comprises the steps of firstly, dividing a three-dimensional model of the ribbon shape, dividing according to factory processing, transportation capacity and economy, enabling the length of each unit component after dividing to be not more than 2.5 meters and the height to be not more than 2 meters, and selecting a gentle part as a dividing line to keep the continuity of the ribbon shape during dividing;
secondly, cutting longitudinally and transversely along coordinate axes during splitting to ensure that longitudinal split lines are perpendicular to a horizontal plane and are parallel to each other, wherein the distance between adjacent longitudinal split lines is the length of the unit component, a boundary line in the transverse direction is selected on a negative angle line or a positive angle line of a ribbon shape, a coordinate system is kept unchanged during splitting to ensure the manufacturing and mounting precision of each unit component after splitting, and after a software system is used for splitting a three-dimensional model of the ribbon into a plurality of unit components, each unit component is converted into an individual processing model and a corresponding processing view is generated;
thirdly, properly correcting the longitudinal dividing line of the unit component, and correcting the arc of part of the approximate straight line into a straight line to control the processing precision;
fourthly, manufacturing a coordinate control table and a machining size control table of each unit component, wherein each numbered unit component is provided with an independent machining model and a machining view;
in the external processing link:
fifthly, processing the divided unit components in an external processing factory, manufacturing each unit component in a processing model and a processing view, wherein the unit components to be processed structurally comprise a basic layer framework, a steel framework is longitudinally used as a main body of the basic layer framework, flat steel bent by a numerical control machine tool is transversely used, the unit framework is manufactured by two steel frameworks, a plurality of flat steels and a plurality of support rods, and a steel plate mask is covered on the surface of the flat steel of the unit framework;
sixthly, synchronously processing two tightly-attached longitudinal steel frames between adjacent unit components by A, B sleeves to keep the structures of the two frames the same, aligning the adjacent AB steel frames, then simultaneously punching holes on a numerical control machine tool to form corresponding connecting holes, screwing down knocking bolts through the connecting holes in the installation process, correcting the outer contour line of the surface while realizing the reinforcement connection, and ensuring that the arc of the outer contour line is smooth and continuous;
seventhly, designing a special working platform in an external processing factory to ensure the processing precision of the unit components, wherein the working platform comprises an operation table top and supporting legs, the four supporting legs are respectively arranged at the bottom of the square operation table top, criss-cross square grids are arranged on the operation table top of the working platform, scales are marked on the grids to serve as control coordinates, the steel frames are processed and welded on the working platform according to a processing view and a size control table, two adjacent AB steel frames are simultaneously processed during processing and welding, transversely bent flat steel is processed on the numerical control pipe bender, and control points are set according to the control size during flat steel processing to match the direction of an arc line on the surface;
eighthly, assembling the processed steel frame, flat steel and skin into corresponding unit components by using a special processing and checking platform, assembling and manufacturing each unit component which is singly numbered and adjacent unit components together, connecting the steel frames processed by the AB sleeve together by using bolts to ensure the connection precision of the adjacent unit components, arranging angle iron frames at two sides of the processing and checking platform, standing and fixing the steel frames according to coordinates, controlling the verticality and levelness of the basic frame to control the precision, controlling the transverse flat steel manufactured by using a numerical control pipe bender to complete positioning by using the coordinates of a grid platform, and controlling the positioning by using at least five space points (X, Y and Z) for each transverse flat steel;
ninth, a factory is pre-assembled, so that each manufactured unit component is assembled according to the number, four to six adjacent unit components are assembled in groups each time in the factory, the size is measured and corrected and judged after the assembly is finished, and the unit components are disassembled after being checked and corrected to shape each unit component;
in the installation step:
tenth, disassembling the corrected and shaped unit components, respectively transporting the unit components to a construction site, and placing the unit components in a classified manner so as to be convenient for actual assembly;
the tenth step, manufacturing a basic framework on site, wherein the height control of the basic framework is realized according to coordinates in a coordinate control table, the basic framework comprises a support frame fixed on a wall and a horizontal shelf positioned at the free end part of the support frame, inclined struts are arranged between the support frame and the wall and between the horizontal shelf and the wall, the horizontal shelf is provided with a plurality of groups according to the height of the position, and the outline shape of the basic framework is a ribbon-shaped trend;
a tenth step of hoisting and positioning, namely determining a height marking point on the basic framework, wherein the height marking point is used as an installation supporting point (Z), a horizontal coordinate point (Y) is required to be determined on the supporting point of each unit component, a final transverse coordinate point (X) is determined through the in-and-out adjustment of a supporting frame on the basic framework, after the positioning is completed, rechecking the control elevation by using a total station, assembling adjacent unit components in sequence after the rechecking is qualified, and rechecking once again after four unit components are installed to ensure the installation precision;
and step thirteen, sequentially assembling each unit component, finishing the assembly, reproducing the integral modeling of the three-dimensional model, carrying out counterweight and veneer installation, adhering gypsum laths on the back surfaces of the steel plate surfaces of the unit components for counterweight, balancing 35 kilograms of gypsum boards per square meter to meet the acoustic requirements during counterweight, fixing and fully paving high-density laths on the surfaces of the steel plate surfaces, adhering wood veneers on the high-density laths, and detecting the design, processing and installation operation of the accurately finished ribbon-shaped wood veneer.
2. The method of splitting, machining and installing a large area multiple curved artistic flag according to claim 1, wherein said first step of splitting the flag on the three dimensional model of the flag-like shape is performed by: firstly, carrying out space surveying and mapping on the interior of a large-scale venue finished by civil engineering construction, carrying out field scanning surveying and mapping by using a three-dimensional scanner, and generating a point cloud model from surveying and mapping points; integrating the generated point cloud model with a BIM model in the large venue to form a three-dimensional model of a lightweight solid grid surface; and finally, carrying out unit block division on the integral base layer surface of the complex special-shaped decorative surface on the three-dimensional model.
3. The piece separating, external processing and mounting method of the large-area multi-curved artistic streamer according to claim 1, wherein in the second step, the parameterized software Grasshopper is used to output four-point position information of the unit components, each output unit block is numbered, and simultaneously, the edge lines of the curved surfaces of the unit blocks are extracted and a three-dimensional wire frame model is derived.
4. The method for dividing, externally processing and installing the large-area multi-curved artistic streamer according to claim 1, wherein in the fifth step, the unit component to be processed structurally comprises a base frame, a steel frame is longitudinally used as a main body of the base frame, two sides of the steel frame are parallel legs, a bending section conforming to the angle of a curved surface is arranged in the middle of the steel frame, two ends of the bending section are respectively fixed on the upper parts of the legs, the lower parts of the legs are fixed on the ground of a factory, flat steel bent by a numerical control bending machine is transversely used, two ends of the flat steel are respectively fixed on the bending section, supporting rods are arranged on the legs of two opposite steel frames, the unit frame is made of the two steel frames, the plurality of flat steel and the plurality of supporting rods, and a steel plate mask with holes is covered and fixed on the surface of the flat steel of the unit frame.
5. The method for splitting, externally processing and installing the large-area multi-curved artistic streamer according to claim 1, wherein the working platform in the seventh step comprises an operation table top and supporting legs, the four supporting legs are respectively arranged at the bottom of the square operation table top, the bottoms of the supporting legs are fixed on the ground of an external processing factory, the height of the supporting legs is controlled to be 30-50 cm, criss-cross square grids are arranged on the operation table top of the working platform, scales are marked on the grids to serve as control coordinates, the steel frame is processed and welded on the working platform according to a processing view and a size control table, and two adjacent AB steel frames are simultaneously processed during processing and welding.
6. The method for splitting, externally processing and installing a large-area multi-curved artistic streamer according to claim 1, wherein in the eighth step, the processing and checking platform structurally comprises a construction platform, the construction platform is laid on the ground in a factory building, one side of the construction platform is provided with a vertically fixed backer, one side of the construction platform opposite to the backer is provided with a pre-assembled support at a movable position, grids are respectively arranged on the construction platform and the backer, scales are arranged on the grids, longitudinally adjacent unit components are simultaneously manufactured on the construction platform of the processing and checking platform, four corresponding steel frames of the unit components are vertically fixed on the construction platform during manufacturing, one steel frame is used as a reference, and a temporary fixing support is welded on the edge of the steel frame used as the reference to keep the vertical state of the unit components, the opposite steel frames and the adjacent steel frames are respectively fixed in place, two stability reinforcements are connected between the opposite group of steel frames, processed flat steel is fixed between the reference steel frame and the opposite steel frame, and the edge of the pre-assembled support close to the outermost side of the unit component combination is used as the outermost side support.
7. The method of claim 1, wherein in the eighth step, each unit member is assembled with each flat steel frame by controlling five coordinate points of the flat steel to be assembled in place, the five coordinate points being two end points and three middle bending end points, the middle bending point being selected from a highest point, a lowest point and a turning point.
8. The piece separating, external processing and mounting method of the large-area multi-curved-surface artistic flag strip according to claim 1, wherein in the ninth step, when the external processing factory is pre-assembled, the processed unit components are firstly placed according to numbers, four to five adjacent unit components are selected to be hoisted for pre-assembly, a support frame is erected in a field during pre-assembly to simulate a field mounting scene, the splicing problem is found out, the deviation is marked, and after the splicing is disassembled, correction, inspection and sizing are carried out.
9. The method of claim 1 for splitting, externally machining and installing a large area multiple curved artistic flag strip, characterized in that, in the tenth step, a base layer framework is manufactured at an indoor construction site, the height control of the base layer framework is realized according to the coordinates in a coordinate control table, the base layer framework comprises a support frame fixed on the wall, a vertical support connected on the support frame and a horizontal shelf positioned at the free end part of the support frame, inclined struts are further arranged among the supporting frames, the horizontal shelf and the wall, the positions of the vertical supports are longitudinal dividing lines, the horizontal shelf is provided with a plurality of groups according to the height of the position, the vertical support is fixed firstly, then the horizontal shelf is fixed, the arrangement position of the horizontal shelf is set according to the height of the point position (Z) on each unit component, and the outline shape of the basic framework is the trend of the ribbon shape.
10. The method of claim 1, wherein in the twelfth step, the hoisting and positioning are performed by determining a height mark on the infrastructure as a supporting point (Z) for installation, determining a horizontal coordinate point (Y) on the supporting point for each unit component, determining a final horizontal coordinate point (X) by adjusting the height mark on the infrastructure, rechecking the control elevation with a total station after the positioning is completed, sequentially assembling adjacent unit components after the rechecking is qualified, assembling adjacent unit components by vertically assembling the unit components according to a vertical dividing line, then transversely assembling the unit components, and rechecking once after every four unit components are installed to ensure the installation accuracy.
11. The method of claim 1 for splitting, externally machining and installing a large area multiple curved artistic flag strip, it is characterized in that in the tenth step, each unit component is assembled in sequence, the assembly is completed, the integral modeling of the three-dimensional model is reproduced, the counterweight and the facing installation are carried out, firstly, gypsum laths are pasted on the back of the steel plate covering surface of each unit component for counterweight, 35 kilograms of gypsum boards are counterweighted per square meter during counterweight to meet the acoustic requirement, then fixing high-density battens on the surface of the steel plate covering, cutting the high-density battens according to the shape, butting the high-density battens in the length direction, and polishing and chamfering the protruding part to ensure that the line type corresponds to the line type of the steel plate mask, finally pasting wood veneer on the high-density lath, ensuring the seamless butt joint of the connecting part when pasting the wood veneer, and detecting the processing and installation operation of the accurately finished ribbon-shaped wood veneer.
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| CN111062069A (en) * | 2019-11-14 | 2020-04-24 | 上海市建筑装饰工程集团有限公司 | Digital construction auxiliary construction method suitable for complex multi-curved member of architectural decoration engineering |
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| CN114412027A (en) * | 2022-01-26 | 2022-04-29 | 中建二局安装工程有限公司 | Wall-attached type streamer truss structure and construction method thereof |
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