CN114645607B - Digital processing construction method for special-shaped aluminum plate column cap - Google Patents

Digital processing construction method for special-shaped aluminum plate column cap Download PDF

Info

Publication number
CN114645607B
CN114645607B CN202210339151.4A CN202210339151A CN114645607B CN 114645607 B CN114645607 B CN 114645607B CN 202210339151 A CN202210339151 A CN 202210339151A CN 114645607 B CN114645607 B CN 114645607B
Authority
CN
China
Prior art keywords
aluminum plate
hyperbolic
aluminum
splicing
column cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210339151.4A
Other languages
Chinese (zh)
Other versions
CN114645607A (en
Inventor
许鹏飞
周科华
钱少波
董文辉
丁淼
李耀祖
刘洋
常旭
李海彬
柴龙全
洪东辉
王辉
王庆杰
陈祥祥
郭帅将
姚体富
裴亚伦
杨春生
何锁岩
李杏
莫彬彬
辛勇
张维
伍梁军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Construction Engineering Group Co Ltd
Original Assignee
China Railway Construction Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Construction Engineering Group Co Ltd filed Critical China Railway Construction Engineering Group Co Ltd
Priority to CN202210339151.4A priority Critical patent/CN114645607B/en
Publication of CN114645607A publication Critical patent/CN114645607A/en
Application granted granted Critical
Publication of CN114645607B publication Critical patent/CN114645607B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/072Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
    • E04F13/073Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements for particular building parts, e.g. corners or columns
    • E04F13/0736Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements for particular building parts, e.g. corners or columns for columns
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/30Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings 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
    • E04F13/0871Coverings 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 having an ornamental or specially shaped visible surface
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings 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
    • E04F13/12Coverings 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 of metal or with an outer layer of metal or enameled metal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/13Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads

Abstract

The invention relates to the field of architectural decoration and fitment, and discloses a digital processing construction method for a special-shaped aluminum plate column cap, which specifically comprises the following steps: s1: establishing a three-dimensional model, wherein during splicing, the splicing surfaces of the suspended ceiling and the aluminum plate column cap are arc-shaped inclined surfaces, the splicing surfaces have height difference, and the upper end of the aluminum plate column cap is arranged to be an inclined arc surface ring shape matched with the splicing surfaces; s2: the three-dimensional model in the S1 is divided into a plurality of hyperbolic aluminum plates which can be spliced according to angles and used for welding and integral forming; s3: processing corresponding aluminum materials according to the aluminum plate model to manufacture a plurality of double-curved aluminum plates which can be spliced; s4: splicing hyperbolic aluminum plates on a construction site, wherein the hyperbolic aluminum plates are fixed by using aluminum plate keel components during splicing and are spliced around the ceiling upright columns; s5: and integrally hoisting the aluminum plate column caps formed by splicing the hyperbolic aluminum plates. The invention can be spliced with an inclined suspended ceiling, and the gap at the upper end of the suspended ceiling upright post is sealed, thereby ensuring safety and beauty.

Description

Digital processing construction method for special-shaped aluminum plate column cap
Technical Field
The invention relates to the field of architectural decoration, in particular to a digital processing construction method for a special-shaped aluminum plate column cap.
Background
Along with the proposal of a concept of 'fine standing house', high-speed rail standing houses are continuously innovated and gradually develop towards a comprehensive hub with larger space and diversification, the indoor decoration style of the standing houses is also magically tested along with the proposal of a design concept of 'one standing house and one scene' of a national iron group, and in order to express the design concepts of foreward, science and technology, nature and the like, the appearance frequency of the special-shaped aluminum plate is higher and higher, so that the decoration construction difficulty is continuously upgraded, and the decoration quality is difficult to ensure. How to solve the problem that the construction of the special-shaped aluminum plate is an urgent need to be solved at present.
Disclosure of Invention
The invention aims to provide a digital processing construction method for a special-shaped aluminum plate column cap, which can be spliced with an inclined ceiling, close the gap at the upper end of a ceiling column, prevent falling objects of the ceiling, ensure safety and prevent smoke or water vapor and the like below the ceiling from spreading to the inside of the ceiling along the ceiling column to corrode a ceiling truss.
In order to achieve the purpose, the digital processing construction method for the special-shaped aluminum plate column cap specifically comprises the following steps:
s1: establishing a three-dimensional model of an aluminum plate column cap according to a construction drawing, wherein the aluminum plate column cap extends along a two-way curve, has an annular body and extends upwards in an arc shape, the inner diameter is gradually increased during extension, and the aluminum plate column cap is used for being spliced with a suspended ceiling to form an arc surface transition structure between the suspended ceiling column and the suspended ceiling;
s2: the three-dimensional model in the S1 is divided into a plurality of hyperbolic aluminum plates which can be spliced according to angles and used for welding and integral forming;
s3: processing corresponding aluminum materials according to the aluminum plate model to manufacture a plurality of double-curved aluminum plates which can be spliced;
s4: splicing hyperbolic aluminum plates on a construction site, wherein the hyperbolic aluminum plates are fixed by using an aluminum plate keel assembly during splicing and are spliced around the ceiling upright columns;
s5: and integrally hoisting the aluminum plate column caps formed by splicing the hyperbolic aluminum plates.
The aluminum plate column cap is provided with a bidirectional curve, so that stress concentration caused by the fact that a break angle such as a vertical break angle exists at a joint can be prevented, the upper end of the aluminum plate column cap forms a plane, the aluminum plate column cap is butted with a suspended ceiling in a plane mode, the joint can be more smooth, the inclined suspended ceiling and the hyperbolic aluminum plate column cap can guide gas to move to an exhaust passage, and the gas is prevented from being gathered at the upper end of an upright column of the suspended ceiling and leaking into the suspended ceiling;
the splicing of the plurality of hyperbolic aluminum plates is beneficial to the sleeve joint on the ceiling upright post under the condition that the construction of the ceiling upright post is finished in advance.
The aluminum plate keel assembly can be connected with the hyperbolic aluminum plate, the interval between the hyperbolic aluminum plate and the aluminum plate stand column is guaranteed, rigid collision is prevented, and the hyperbolic aluminum plate or the aluminum plate stand column is lost.
Form the cap of post earlier and integral hoisting again, efficiency is higher, more can prevent high altitude concatenation hyperbolic aluminum plate, further ensures safety.
As a further improvement of the digital processing construction method of the special-shaped aluminum plate column cap, the upper side of each hyperbolic aluminum plate exceeds the width of the lower side, and a circle of groove used for installing the lamp strip on the circumferential direction of the upper side of the aluminum plate column cap is further formed.
The lamp strip can be installed on the upper side of the aluminum plate column cap, so that illumination is provided, the lamp strip can be attached to the groove, and the space is saved under the condition of protecting the lamp strip.
As a further improvement of the digital processing construction method for the special-shaped aluminum plate column cap, the method is characterized in that the pre-assembly of manufacturers is carried out before the aluminum plates are assembled on a construction site, and the assembly quality and the smoothness of the hyperbolic aluminum plates are checked.
Problems can be found in advance through pre-assembly, so that stable on-site construction can be guaranteed.
As a further improvement of the digital processing construction method for the special-shaped aluminum plate column cap, S4 comprises the following specific steps:
s4.1: a hyperbolic aluminum plate protection cushion layer is arranged on a surface layer on which the lower part of the suspended ceiling upright post is arranged and is used for being cushioned below the hyperbolic aluminum plate;
s4.2: constructing and paying off by taking a suspended ceiling upright post as a center, then installing an aluminum plate keel assembly for fixing the hyperbolic aluminum plate, fully welding the aluminum plate keel assembly, removing slag and rust for two times, and coating with an antirust paint; fixing an aluminum plate keel assembly at one end of a steel wire line, fixing the other end of the steel wire line on a ceiling truss fixed with the upper end of a ceiling upright post, enabling the aluminum plate keel assembly to stand at a position spaced from the ground, reserving a space for splicing the hyperbolic aluminum plates at the spaced position, enabling the aluminum plate keel assembly to be provided with an inclined annular keel parallel to the upper side of the hyperbolic aluminum plates, enabling the annular keel to be tightly attached to the inner side of the upper part of the hyperbolic aluminum plates to form fixation, and welding the annular keel to form a vertical support which extends in an up-and-down arc shape along the inner side surface of the hyperbolic aluminum plates and is fixed with the hyperbolic aluminum plates; the beam is welded to form a beam supported by the inner side of the annular keel, the beam divides the inner area of the annular keel into a lattice shape, and the middle lattice is penetrated by the suspended ceiling upright post;
s4.3: when assembling the hyperbolic aluminum plate; marking the central axes of the vertical beam and the cross beam, adjusting the hyperbolic aluminum plate according to the design seam, performing integral correction after the hyperbolic aluminum plate surrounds and coats the whole ceiling upright unit to form an aluminum plate cap, ensuring that the errors of dividing seams, verticality and flatness of the hyperbolic aluminum plate are 2 mm, and filling all screws to fix the hyperbolic aluminum plate and the keel assembly;
s4.4: and (4) mounting a finished closing-up metal strip at a dividing joint between the double-curved aluminum plates to enable the splicing joint to be flat.
The protection bed course can protect hyperbolic aluminum plate downside to avoid the damage when guaranteeing hyperbolic aluminum plate downside concatenation.
The steel wire can be used for allowing the aluminum plate keel assembly to stand still and facilitating subsequent hoisting of the aluminum plate column cap, the aluminum plate keel assembly which is placed still is convenient to be connected with the hyperbolic aluminum plate, the inclined annular keel is placed still, the splicing position is easy to identify, splicing errors are prevented, the height is uneven, the construction efficiency is influenced, and the annular keel further ensures the annular rigidity of the aluminum plate column cap;
the arc-shaped vertical support can ensure vertical rigidity, avoid stress concentration in a bevel form and further ensure stable structure;
the lateral rigidity can be guaranteed by the cross beam, so that the structure is laterally more stable, and stable hoisting is facilitated.
As a further improvement of the digital processing construction method for the special-shaped aluminum plate column cap, S5 comprises the following specific steps:
s5.1: installing an electric hoist hoisting system on the suspended ceiling truss, and hoisting the aluminum plate column cap by using a steel wire;
s5.2: when hoisting, firstly hoisting the aluminum plate column cap away from the ground by 100-200mm, and standing for a period of time;
s5.3: in the lifting process, the aluminum plate column caps are kept to be spaced from the suspended ceiling columns;
s5.4: promote appointed height, use the staple bolt to fix the hoop fossil fragments of aluminum plate fossil fragments subassembly mutually with the furred ceiling truss.
The trial crane is stood, whether the electric hoist works stably can be detected, and whether the aluminum plate column cap is stable in the lifting process can also be detected.
The staple bolt makes aluminum plate cap bearing on the furred ceiling truss, is further supported the furred ceiling truss nearby by the furred ceiling stand again to the regional biography power that the guarantee load is concentrated is more stable.
As a further improvement of the digital processing construction method of the special-shaped aluminum plate column cap, a circle of lamp film is arranged on the groove, the lamp film is fully and uniformly heated through the heating air gun, the lamp film is tensioned and inserted onto the aluminum plate keel assembly through the slotting tool, and the periphery of the lamp film is sealed.
The lamp membrane is favorable to sealing the lamp area, and the lamp membrane is fixed with aluminum plate fossil fragments subassembly, and is more stable.
As a further improvement of the digital processing construction method of the special-shaped aluminum plate column cap, a gap between the lower side of the aluminum plate column cap and the column cap is sealed by a circumferential sealing strip, and the circumferential sealing strip is used for sealing and coating a smooth circular ring at the lower side of the aluminum plate column cap.
The annular sealing strips seal gaps, and shielding and sealing effects are further improved.
As a further improvement of the digital processing construction method of the special-shaped aluminum plate column cap, the electric hoist hoisting system comprises an annular flat hoisting keel fixed on the ceiling truss, the diameter of the annular flat hoisting keel is the diameter of the annular keel on the horizontal plane projection, and the upper end and the lower end of a steel wire drawn by the electric hoist are vertical so as to enable the aluminum plate column cap to be hoisted flatly.
When the aluminum plate column cap is pulled to lift, the vertical steel wire can guarantee stable lifting, uneven horizontal component force is reduced, shaking is easily caused, horizontal component force is avoided by vertical traction, and the aluminum plate column cap and the suspended ceiling column are spaced in the lifting process.
The invention can exert the superiority of the BIM technology by digital processing, and introduces the digital processing technology of external buildings into the construction of the built-in special-shaped aluminum plates. And modeling the special-shaped aluminum plate by using BIM software in the early stage, providing the special-shaped aluminum plate with a processing model for a manufacturer, pre-assembling the special-shaped aluminum plate in the manufacturer after the special-shaped aluminum plate is processed, and assembling and integrally hoisting the special-shaped aluminum plate on site after the special-shaped aluminum plate is error-free. Compared with the traditional processing mode, the method reduces the material processing error and can well control the construction quality; compared with high-altitude operation, the integral hoisting can reduce the construction difficulty and save labor and construction cost.
Drawings
FIG. 1 is a schematic view of the construction process of the embodiment.
Fig. 2 is an elevation view of an aluminum sheet cap.
Fig. 3 is a plan view of the aluminum plate cap.
Reference numerals are as follows: 1. an aluminum plate column cap; 2. a double curved aluminum plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1-3, a digital processing construction method for a special-shaped aluminum plate column cap specifically comprises the following steps:
s1: the method comprises the following steps of establishing a three-dimensional model of an aluminum plate column cap 1 according to a construction drawing, wherein the aluminum plate column cap 1 extends along a two-way curve, has an annular circumference and extends upwards in an arc shape, the inner diameter is gradually increased during extension so as to be spliced with a suspended ceiling and form an arc-surface transition structure between the suspended ceiling column and the suspended ceiling, the splicing surface of the suspended ceiling and the aluminum plate column cap 1 is an arc-shaped inclined surface during splicing, the splicing surface has a height difference, the upper end of the aluminum plate column cap 1 is arranged to be an inclined arc-surface annular shape matched with the splicing surface, and the lower side of the aluminum plate column cap 1 is a flat circular ring sleeved on the suspended ceiling column;
s2: the three-dimensional model in the S1 is divided into a plurality of hyperbolic aluminum plates 2 which can be spliced according to angles and used for welding and integral forming;
s3: processing corresponding aluminum materials according to the aluminum plate model to manufacture a plurality of double-curved aluminum plates 2 which can be spliced;
s4: splicing the hyperbolic aluminum plates 2 on a construction site, wherein the hyperbolic aluminum plates 2 are fixed by using an aluminum plate keel assembly during splicing and are spliced around the ceiling upright columns;
s5: and integrally hoisting the aluminum plate column cap 1 formed by splicing the hyperbolic aluminum plates 2.
The aluminum plate column caps 1 are in bidirectional curves, so that the fact that stress concentration is caused due to the fact that break angles such as vertical break angles exist at the joint parts is favorably prevented, the upper ends of the aluminum plate column caps 1 form planes, the aluminum plate column caps are in butt joint with a suspended ceiling in a plane mode, the joint parts are smoother, the inclined suspended ceiling and the hyperbolic aluminum plate column caps 1 are favorable for guiding gas to move to an exhaust channel, and the gas is prevented from being gathered at the upper ends of the suspended ceiling columns and leaking into the suspended ceiling;
the splicing of 2 polylith of hyperbolic aluminum plate is favorable to under the condition that the furred ceiling stand is under construction in advance and finishes, cup joints on the furred ceiling stand.
Aluminum plate fossil fragments subassembly can link up hyperbolic aluminum plate 2, ensures the interval of hyperbolic aluminum plate 2 and aluminum plate stand, prevents the rigidity collision, and the hyperbolic aluminum plate 2 of loss or aluminum plate stand.
Form the cap of post earlier and integral hoisting again, efficiency is higher, more can prevent high altitude concatenation hyperbolic aluminum plate 2, further ensures safety.
In this embodiment, every hyperbolic aluminum plate 2 upside all surpasss the downside broad width, further forms the round recess that is used for installing the lamp area on the aluminum plate cap 1 upside circumference.
Make 1 upside of aluminum plate cap post can install the lamp area, not only provide the illumination, the lamp area can be attached to in the recess moreover, under the condition in protection lamp area, has practiced thrift the space.
In this embodiment, before splicing the aluminum plates on the construction site, factory pre-splicing is performed, and the splicing quality and the smoothness of the hyperbolic aluminum plate 2 are checked.
Problems can be found in advance through pre-assembly, so that stable on-site construction can be guaranteed.
In this embodiment, the specific step of S4 is as follows:
s4.1: a hyperbolic aluminum plate 2 protection cushion layer is arranged on a surface layer on which the lower part of the suspended ceiling upright post is arranged and is used for being cushioned below the hyperbolic aluminum plate 2;
s4.2: constructing and paying off by taking a suspended ceiling upright post as a center, then installing an aluminum plate keel assembly for fixing the hyperbolic aluminum plate 2, fully welding the aluminum plate keel assembly, removing slag and rust for two times, and coating with an antirust paint; fixing an aluminum plate keel component at one end of a steel wire line, fixing the other end of the steel wire line on a ceiling truss fixed to the upper end of a ceiling upright column, enabling the aluminum plate keel component to stand at a position spaced from the ground, reserving a space for splicing the hyperbolic aluminum plate 2 at the spacing, wherein the aluminum plate keel component is provided with an inclined annular keel parallel to the upper side of the hyperbolic aluminum plate 2, the annular keel is used for being tightly attached to the inner side of the upper part of the hyperbolic aluminum plate 2 and forming fixation, and the annular keel is welded and used for extending in an up-down arc shape along the surface of the inner side of the hyperbolic aluminum plate 2 and forming a fixed vertical support with the hyperbolic aluminum plate 2; the cross beam is welded to form a cross beam supported by the inner side of the annular keel, the cross beam divides the inner area of the annular keel into a lattice shape, and the middle lattice is penetrated by the suspended ceiling upright post;
s4.3: when the hyperbolic aluminum plate 2 is assembled; marking the central axes of the vertical beam and the cross beam, adjusting the hyperbolic aluminum plate 2 according to a design seam, performing integral correction after the hyperbolic aluminum plate 2 surrounds and coats the whole ceiling upright unit to form an aluminum plate cap 1, ensuring that errors of a dividing seam, verticality and flatness of the hyperbolic aluminum plate 2 are 2 mm, and filling all screws to fix the hyperbolic aluminum plate 2 and the keel assembly;
s4.4: and (3) mounting a finished product closing-up metal strip at a dividing joint between the hyperbolic aluminum plates 2 so as to enable the splicing joint to be flat.
The protection bed course can protect 2 downside of hyperbolic aluminum plate to avoid damaging when guaranteeing 2 downside concatenations of hyperbolic aluminum plate.
The steel wire can be used for enabling the aluminum plate keel assembly to stand still and facilitating subsequent hoisting of the aluminum plate column cap 1, the aluminum plate keel assembly which is kept still is convenient to be connected with the hyperbolic aluminum plate 2, the inclined annular keel is kept still, splicing positions are easy to identify, splicing errors are prevented, the height is uneven, construction efficiency is influenced, and the annular keel further ensures the annular rigidity of the aluminum plate column cap 1;
the arc-shaped vertical support can ensure vertical rigidity, avoid stress concentration in a bevel form and further ensure stable structure;
the lateral rigidity can be guaranteed to the crossbeam, makes the structure side direction more stable, is favorable to implementing the hoist and mount steadily.
In this embodiment, the specific step of S5 is as follows:
s5.1: installing an electric hoist hoisting system on the suspended ceiling truss, and hoisting the aluminum plate column cap 1 by using a steel wire;
s5.2: when in hoisting, the aluminum plate column cap 1 is hoisted to be 100-200mm away from the ground for trial hoisting, and is kept stand for a period of time;
s5.3: in the lifting process, the aluminum plate column caps 1 are kept to be spaced from the suspended ceiling columns;
s5.4: promote to appointed height, use the staple bolt to fix the hoop fossil fragments of aluminum plate fossil fragments subassembly mutually with the furred ceiling truss.
The trial crane is stood, whether the electric hoist works stably can be detected, and whether the aluminum plate column cap 1 is stable in the lifting process can also be detected.
The staple bolt makes aluminum plate cap 1 bear on the furred ceiling truss, is further supported the furred ceiling truss nearby by the furred ceiling stand again to the regional biography power that the guarantee load is concentrated is more stable.
In this embodiment, install round lamp membrane on the recess, the lamp membrane is even through heating wind big gun full heating, and the slotting tool is inserted the lamp membrane tensioning to aluminum plate fossil fragments subassembly on to do the closure all around the lamp membrane.
The lamp membrane is favorable to sealing the lamp area, and the lamp membrane is fixed with aluminum plate fossil fragments subassembly, and is more stable.
In this embodiment, the clearance between 1 downside of aluminum plate cap and the cap is sealed through the hoop sealing strip, and the annular sealing strip seals the smooth ring of 1 downside of cladding aluminum plate cap.
The annular sealing strips seal gaps, and shielding and sealing effects are further improved.
In this embodiment, electric block hoist and mount system is including fixing the annular smooth hoist and mount fossil fragments on the furred ceiling truss, and its diameter does the annular diameter of fossil fragments on the horizontal plane projection, the electric block of installation on hoist and mount fossil fragments, its towed steel wire upper and lower extreme are vertical to make aluminum plate cap 1 lift by crane smoothly.
When the aluminum plate column cap is dragged to lift, the vertical steel wire can guarantee stable lifting, uneven horizontal component force is reduced, shaking is easily caused, horizontal component force is avoided by vertical traction, and therefore the aluminum plate column cap 1 and the suspended ceiling column are guaranteed to be spaced in the lifting process.
Example 2
The modeling of the special-shaped aluminum plate column cap of the steel column in the overhead waiting hall adopts digital processing construction, and the aluminum plate column cap has the diameter of 7000m and the height of 2200m and is trumpet-shaped.
Aluminum plate column cap blanking processing key point
Establishing a blanking model
1) Establishing a three-dimensional model of the aluminum plate column cap according to a construction drawing;
2) According to the scheme effect, the model is divided into 8 blocks, and the size of each aluminum plate exceeds the width of the aluminum plate, so that the aluminum plates are welded and integrally formed.
3) Because the upper opening of the column cap model is inclined along with the radian of the large suspended ceiling of the waiting hall, the height and the radian of each aluminum plate are different, thereby increasing the processing difficulty. Therefore, details of the blanking die are repeatedly pushed and knocked during blanking, feasibility is discussed in aluminum plate manufacturers, and the blanking die is ensured to be correct.
In this embodiment will digitize the processing technology and use the construction of built-in heterotypic aluminum plate cap of post, full play digital processing technology's advantage, compare in traditional processing mode and reduced aluminum plate machining error, control construction error that can be fine, guarantee construction quality.
This embodiment aluminum plate processing is assembled in advance afterwards, can expose aluminum plate processing in advance whether have a problem, thereby just find the problem and return the factory when avoiding transporting to the on-the-spot installation, influence the construction progress.
The special-shaped aluminum plate column cap material is assembled on site and then integrally hoisted, so that the construction difficulty is reduced and the manpower and construction cost are saved for high-altitude installation.
The embodiment is suitable for large-scale public clothes such as high-speed railway stations, airports, subway stations and the like.
According to the scheme and the construction drawing, a construction party applies BIM software to model the special-shaped aluminum plate column cap model, cuts and discharges the model, provides the model for an aluminum plate manufacturer to discharge the model, performs aluminum plate welding processing according to the discharge model, pre-assembles the model after the model is processed, checks the assembling quality and the smoothness of the hyperbolic aluminum plate, and assembles and integrally hoists the hyperbolic aluminum plate on site after the model is correct.
Aluminum plate processing and pre-assembling construction key points
1) An aluminum plate manufacturer carries out shaping processing on an aluminum plate according to a blanking model, each arc plate needs to be welded and polished, smoothness of the surface of a welding part is guaranteed, the double curved surfaces of the whole plate are smooth, processing size and flatness are rechecked after processing is finished, and processing quality is checked.
2) The aluminum plate is pre-assembled in a factory after being processed, whether the aluminum plate splicing position is inosculated or not is checked, whether transition is natural or not is checked, whether the overall shape can achieve the expected effect or not is judged, and the aluminum plate is transported to a construction site after completely meeting the requirements.
3) After the pre-assembly is finished, a specially-assigned person is required to check the nameplate, the size, the appearance quality, the position, the quantity and the like of the aluminum plate, and the aluminum plate is checked and accepted according to the specifications of the following table after the self-inspection of a manufacturer is qualified.
Serial number Examination item Quality requirement Number of inspections Inspection method
1 Sign nameplate Type, qualification certification and inspection report of aluminum plate Total number checking Verification
2 Size of Should meet the design requirements Total number checking Professional survey
3 Appearance quality The surface is smooth, smooth and neat, has no obvious damage, has no visible color difference with naked eyes, is hyperbolic, smooth and has no obvious concave-convex. Total number checking Inspection and measurement of
4 Location and number Is completely matched with the blanking drawing Total number checking Contrast blanking chart and core pair
The construction key points of the on-site assembly and integral hoisting of the embodiment are as follows
1. Assembling an aluminum plate on site:
assembling the column cap aluminum plate after the aluminum plate is qualified by on-site inspection and acceptance; and finished product protection is carried out on the surface layer at the lower part of the steel column.
Constructing and setting out by taking the column as a center, then installing aluminum plate keels, fully welding the keels, removing slag and rust for two times, and coating an anti-rust paint; and then steel wires are used for fixing the keels, so that the rear aluminum plates can be conveniently assembled.
When the aluminum plate is assembled, the central axes of the vertical supports and the cross beams are marked according to the principle of horizontal, flat and vertical, the aluminum single plates are adjusted according to design seams, the whole unit column is wrapped, then the whole column is integrally corrected, the errors of vertical division and flatness are ensured to be 2 mm, and all screws are completely supplemented.
And a finished closing metal strip is arranged at the gap of the aluminum plate, so that the close joint of the right-angle splicing part is ensured to be smooth, and the closing is fine.
And (4) checking and accepting the assembled column cap, and starting integral hoisting after the checking and accepting are qualified.
2. On-site integral hoisting
And installing the electric hoist hoisting system, and performing static and dynamic acceptance checking work of the electric hoist hoisting system before hoisting.
When the electric hoist is hoisted, the column cap is hoisted to be away from the ground by 100-200mm, the braking condition of the electric hoist is checked, and formal operation can be performed after the electric hoist is confirmed to be intact.
The lifting process can not be rapidly lifted, and the collision or friction between the lower part of the column cap and the column can be avoided to cause mutual damage.
After the height is increased to a specified height, the column cap keel and the truss are fixed through the hoop, and the operation is stopped after the column cap keel and the truss are completely fixed.
Assembling and integrally hoisting the column cap aluminum plate of the on-site column: the method comprises the following steps: mounting a keel of the column cap aluminum plate; mounting a column cap aluminum plate; installing a closing strip; hoisting in a trial mode; hoisting and lifting; fixing the column cap keel and the truss; the integral hoisting is finished; installing a lamp film;
3. other points of construction attention
3.1 Lamp Membrane mounting
1) When in construction, after the aluminum alloy keel of the lamp film is completely fixed, the lamp film is installed.
2) The lamp film is fully and uniformly heated by a special heating air gun, and then is tensioned and inserted onto the aluminum alloy keel by a special inserting knife.
3) The periphery of the lamp film is sealed, so that small insects and dust are prevented from entering the lamp film.
3.2 labor organization the following table:
labor schedule
Figure DEST_PATH_IMAGE002
4. Materials and apparatus
4.1 materials:
the cap is by 40 × 60 × 4mm hot-galvanize steel pipe fossil fragments, 3.0mm thick fluorocarbon spraying light grey aluminium veneer, 3.0mm thick fluorocarbon spraying champagne light trough aluminium veneer and 3.0mm thick fluorocarbon spraying grey aluminium veneer and constitutes, and the aluminum plate quality standard requires as follows:
item Tolerance deviation
Length (width) 0,-0.4(㎜)
Diagonal line ±0.5/300(㎜)
Height of bending ≤0.2(㎜)
Thickness of fluorocarbon coating ≥40(μm)
4.2 Device
Serial number Machine or equipment name Model specification Number of Rated power/kW Capacity of production
1 Electric hoist CD12T-9M 2 3
2 Mobile elevator SJY 2 2.2
3 Electric welding machine BX1-315 2 7.5
4 Abrasive wheel cutting machine 2 3
5 Flashlight rotating device 2 0.96
5 quality control
5.1 aluminum plate quality control Standard
The allowable deviation of the processing quality of the aluminum plate is in accordance with the following regulation:
item Tolerance deviation
Length (width) 0,-0.4(㎜)
Diagonal line ±0.5/300(㎜)
Height of bending ≤0.2(㎜)
Thickness of fluorocarbon coating ≥40(μm)
5.2 construction quality control measures
5.2.1 carry out the post responsibility system. And decomposing according to the quality target, and listing the quality responsibility layer by layer and realizing layer by layer.
5.2.2 strengthen technical management, make clear post responsibility system and make a complete job of technology carefully. Besides written delivery, all teams and groups should be organized to summon technical delivery, and construction difficulties and key points should be specially explained.
5.2.3 the inspection work of raw materials is strengthened, and the inspection system of each material is strictly executed.
And 5.2.4, three-step detection. Strict quality inspection, and adherence to three inspection systems of 'self-inspection, handover inspection and special inspection'.
5.2.5 hidden inspection. And arranging a pre-inspection plan and a hidden inspection plan according to the construction progress, performing pre-inspection and hidden inspection programs, handling pre-inspection and hidden inspection procedures, and performing visa filing in time.
5.2.6 organization and see various engineering conventions. The progress, quality and safety conditions of engineering construction are summarized, the construction sequence, the cross-over relation and quality responsibility of process crossing are determined, the coordination and coordination among various work types and the process cross-over management are enhanced, and the smooth construction is ensured.
And 5.2.7, finishing the protection work of the finished product. And finish paint on the surface of the steel column is completely finished when the column cap is hoisted, so that the cylindrical surface layer is prevented from being damaged by the aluminum plate in the hoisting process.
6. Safety measures
6.1 safety management of job site
6.1.1 Corresponding safety technical measures and requirements are required before the hoisting construction is started. Including platforms, elevators, switchgears, vertical transport, staffing, and the like.
6.1.2 When a project manager implements a construction task, the project manager must provide detailed requirements for construction safety technical measures aiming at specific characteristics of the project, and the project manager can start working after the specific implementation is achieved.
6.1.3 The project manager organizes the project general information and the safety technology to all the personnel of the project department on site before the project is started, and the project manager and the team leader carry out the before-shift safety technology.
6.2 safety management measures special for hoisting electric hoist
6.2.1 use of electric hoist
The electric hoist must be operated by personnel trained and qualified by professional skills to obtain (medium and small mechanical operators) certificates.
The electric hoist is hoisted by 2 tons, and the maximum hoisting value cannot exceed 1400 kilograms. The maximum lifting speed of the electric hoist is 128 m/h.
3) When the electric hoist is installed, the base is stable and firm, the ground anchor is firmly arranged, and the positions of operators can clearly see commanders and objects dragged or lifted.
4) Before operation, the electric hoist should be checked to be fixed on the ground, and the elastic coupling should not be loosened. And the safety device, the protective facilities, the electric circuit, the zero or grounding wire, the braking device, the steel wire rope and the like are checked, and the device can be used after all are qualified.
5) During hoisting, the hoisting device needs to be fixed firmly, a shaking rope is tied at the lower part of the hoisting device, and special persons command the hoisting device from top to bottom to prevent the hoisting device from colliding with other objects and causing the hoisted objects to fall.
6.2.2 safety measures for electric hoists
Before starting, the mechanical, electrical, steel wire rope, hanging tongs, a limiter and the like of the equipment are carefully checked whether the equipment is intact and reliable.
The hoisting can not be overloaded. When in lifting, the hand is not held between the rope and the object. The hanging object is strictly prevented from being connected with the building when rising.
When lifting objects, the safety operation regulations of the hook lifting workers must be observed. When binding, the binding should be firm, and the sharp-angled gap of the object should be protected by a liner.
When the trailing wire electric switch is used for starting, the insulation must be good, the electric button is correctly pressed, and the standing position is noticed during operation.
The monorail electric hoist must run at a speed reduction mode at a turning position of the track or close to the end of the track.
The electric hoist with the operating room has to be operated by a specially-assigned person, strictly abides by related safe operation and strictly abides by related safe operation regulations.
The use of the utility model is guided by a specially-assigned person.
7. Environmental protection measure
7.1 the site noise emission can not exceed the regulation of the national standard GB 12523-2011 environmental noise emission Standard of building construction site. The daytime is not more than 70dB, and the nighttime is not more than 55dB.
7.2, keeping the site clean as much as possible in the construction, and appointing a special person to take charge of the site environmental sanitation management. Meanwhile, the education staff improve the environmental protection consciousness, do not make garbage and noise and stop the rough construction.
7.3 the construction process is rationally arranged, the construction operation of producing the noise is forbidden to carry out at night. For technical reasons and other special conditions that construction cannot be interrupted, continuous construction operation at night is required, and the construction can be carried out after corresponding construction licenses are obtained by applying to construction administrative departments and environmental protection departments; reasonable organization is needed in construction, and work which generates noise is arranged in daytime as far as possible.
7.4 in the construction area, various materials, semi-finished products, piled, bundled, rounded, squared and marked by hanging, and in the construction area or the area, striking safety warning signs are arranged.
The 10 steel column special-shaped aluminum plate column cap of the overhead waiting hall is shaped by digital processing construction, so that the processing error of an aluminum plate is reduced, the construction error is well controlled, and the decoration quality is guaranteed; the integral hoisting reduces the construction difficulty, and saves the labor and the construction cost; is economical and reasonable.
The 10 steel column special-shaped aluminum plate column cap model of the overhead waiting hall adopts digital processing construction, so that material reworking caused by the fact that the processing quality of an aluminum plate does not meet the requirement is saved, and meanwhile, compared with high-altitude aluminum plate installation, the integral hoisting construction can effectively save labor cost.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. It will be apparent to those skilled in the art that various equivalent substitutions and obvious modifications can be made without departing from the spirit of the invention, and all changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (2)

1. A digital processing construction method for a special-shaped aluminum plate column cap is characterized by comprising the following steps: the method specifically comprises the following steps:
s1: establishing a three-dimensional model of an aluminum plate column cap according to a construction drawing, wherein the aluminum plate column cap extends along a two-way curve, has an annular body and extends upwards in an arc shape, the inner diameter is gradually increased during extension, and the aluminum plate column cap is used for being spliced with a suspended ceiling to form an arc surface transition structure between the suspended ceiling column and the suspended ceiling;
s2: the three-dimensional model in the S1 is divided into a plurality of hyperbolic aluminum plates which can be spliced according to angles and used for welding and integral forming;
s3: processing corresponding aluminum materials according to the aluminum plate model to manufacture a plurality of double-curved aluminum plates which can be spliced;
s4: splicing hyperbolic aluminum plates on a construction site, wherein the hyperbolic aluminum plates are fixed by using aluminum plate keel components during splicing and are spliced around the ceiling upright columns;
s5: integrally hoisting an aluminum plate column cap formed by splicing hyperbolic aluminum plates;
the upper side of each hyperbolic aluminum plate exceeds the width of the lower side of the hyperbolic aluminum plate to form a circle of groove used for mounting the lamp strip in the circumferential direction of the aluminum plate column cap;
before splicing the aluminum plates on a construction site, pre-splicing by manufacturers, and checking the splicing quality and the smoothness of the hyperbolic aluminum plates;
s4, the specific steps are as follows:
s4.1: a hyperbolic aluminum plate protection cushion layer is arranged on a surface layer on which the lower part of the suspended ceiling upright post is arranged and is used for being cushioned below the hyperbolic aluminum plate;
s4.2: constructing and paying off by taking a ceiling upright post as a center, then installing an aluminum plate keel assembly for fixing the hyperbolic aluminum plate, fully welding the aluminum plate keel assembly, removing slag and rust for two times, and coating with an antirust paint; fixing an aluminum plate keel assembly at one end of a steel wire line, fixing the other end of the steel wire line on a ceiling truss fixed with the upper end of a ceiling upright post, enabling the aluminum plate keel assembly to stand at a position spaced from the ground, reserving a space for splicing the hyperbolic aluminum plates at the spaced position, enabling the aluminum plate keel assembly to be provided with an inclined annular keel parallel to the upper side of the hyperbolic aluminum plates, enabling the annular keel to be tightly attached to the inner side of the upper part of the hyperbolic aluminum plates to form fixation, and welding the annular keel to form a vertical support which extends in an up-and-down arc shape along the inner side surface of the hyperbolic aluminum plates and is fixed with the hyperbolic aluminum plates; the beam is welded to form a beam supported by the inner side of the annular keel, the beam divides the inner area of the annular keel into a lattice shape, and the middle lattice is penetrated by the suspended ceiling upright post;
s4.3: when assembling the hyperbolic aluminum plate; marking central axes of the vertical supports and the cross beams, adjusting a hyperbolic aluminum plate according to a design seam, performing integral correction after the hyperbolic aluminum plate surrounds and coats the whole ceiling upright unit to form an aluminum plate cap, ensuring that errors of dividing seams, verticality and flatness of the hyperbolic aluminum plate are 2 mm, and supplementing all screws to fix the hyperbolic aluminum plate and the keel assembly;
s4.4: mounting a finished closing-in metal strip at a dividing joint between the double-curved aluminum plates to enable the splicing joint to be flat;
s5, the specific steps are as follows:
s5.1: installing an electric hoist hoisting system on the suspended ceiling truss, and hoisting the aluminum plate column cap by using a steel wire;
s5.2: when in lifting, the aluminum plate column cap is lifted to 100-200mm away from the ground to be lifted in a test way, and is kept stand for a period of time;
s5.3: in the lifting process, the aluminum plate column caps are kept to be spaced from the suspended ceiling columns;
s5.4: lifting to a specified height, and fixing the annular keel of the aluminum plate keel assembly and the ceiling truss by using a hoop;
gaps between the lower sides of the aluminum plate column caps and the column caps are sealed through annular sealing strips, and the annular sealing strips are used for sealing and coating smooth circular rings on the lower sides of the aluminum plate column caps;
electric block hoist system is including fixing annular smooth hoist and mount fossil fragments on the furred ceiling truss, and its diameter does the diameter of annular fossil fragments on the horizontal plane projection, the electric block of installation on hoist and mount fossil fragments, lower extreme are vertical on its towed steel wire to make the aluminum plate cap lift by crane smoothly.
2. The digital processing construction method for the special-shaped aluminum plate column cap as claimed in claim 1, characterized in that: the lamp film is fully and uniformly heated through the heating air cannon, and the inserted knife is used for tensioning the lamp film and inserting the lamp film into the aluminum plate keel assembly, and the lamp film is sealed at the periphery.
CN202210339151.4A 2022-04-01 2022-04-01 Digital processing construction method for special-shaped aluminum plate column cap Active CN114645607B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210339151.4A CN114645607B (en) 2022-04-01 2022-04-01 Digital processing construction method for special-shaped aluminum plate column cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210339151.4A CN114645607B (en) 2022-04-01 2022-04-01 Digital processing construction method for special-shaped aluminum plate column cap

Publications (2)

Publication Number Publication Date
CN114645607A CN114645607A (en) 2022-06-21
CN114645607B true CN114645607B (en) 2023-04-14

Family

ID=81995190

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210339151.4A Active CN114645607B (en) 2022-04-01 2022-04-01 Digital processing construction method for special-shaped aluminum plate column cap

Country Status (1)

Country Link
CN (1) CN114645607B (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1501194A (en) * 1921-12-19 1924-07-15 A L Smith Iron Works Column cap
RU1805195C (en) * 1991-01-30 1993-03-30 Государственный Проектный И Научно-Исследовательский Институт "Госниисредазпромзернопроект" Method of reinforcing column heads
CN103276895B (en) * 2013-06-06 2015-06-10 金陵科技学院 Die supporting method of reversed-cone-shaped column cap die
CN106168036B (en) * 2016-08-25 2018-09-14 上海建工四建集团有限公司 A kind of contrary sequence method drop modular system and drop mould method
CN208251621U (en) * 2018-02-27 2018-12-18 中国建筑第二工程局有限公司 A kind of batter post cap reinforcement tools
US10676959B2 (en) * 2018-06-05 2020-06-09 Mark Phillip Stager Netting post cap
CN208996315U (en) * 2018-09-29 2019-06-18 杨大刚 A kind of assembled bolumn cap
CN110331802A (en) * 2019-06-20 2019-10-15 成张佳宁 A kind of construction method of polymorphic structure aluminium veneer curtain wall
CN110259145A (en) * 2019-06-28 2019-09-20 中冶建工集团有限公司 A kind of arch tubular truss rapid constructing method
CN110984499B (en) * 2019-12-04 2021-02-19 深圳市宝鹰建设集团股份有限公司 Variable-section hyperbolic C-shaped column surface decoration construction method
CN111688003A (en) * 2020-05-25 2020-09-22 广州市第三建筑工程有限公司 Manufacturing and construction method of large curved surface special-shaped plate
CN112163255B (en) * 2020-09-04 2022-07-12 中建二局第三建筑工程有限公司 Processing method and device based on beamless floor column cap frame setting data and storage medium

Also Published As

Publication number Publication date
CN114645607A (en) 2022-06-21

Similar Documents

Publication Publication Date Title
CN111335178B (en) Small-curve-radius steel box girder bridge girder erection machine and erection construction method
CN103061506A (en) Construction method of steel structure dome
CN109231007B (en) Electric furnace body hoisting and mounting process
CN105822072A (en) Hoisting construction structure and method for air corridor ceiling
CN106760841A (en) A kind of construction method of buckling restrained brace structure
CN104727564A (en) Method for installation construction of roof free-form surface single-layer latticed shell structure of super high-rise building
CN110528891A (en) Large-span Spherical rack integral hoisting method
CN114645607B (en) Digital processing construction method for special-shaped aluminum plate column cap
CN204474178U (en) A kind of cable crane
CN101818563B (en) Jack-up integral lifting mobile platform and using method
CN111119493A (en) Construction method for integrally and synchronously lifting light steel keel
CN110158774A (en) A kind of construction method that large span grid double-machine lifting crane subregion closes up
CN203878955U (en) Chimney flange operating system
CN109378767A (en) A kind of lifting engineering method of hoist engine to skyscraper electricity well inner cable
CN113322820A (en) Construction method and assembly method for steel cross beam of cable-stayed bridge cable tower
CN114000635B (en) Assembly process based on metal roof framework sliding installation
CN103422432A (en) Overhaul system of stayed cable of sing-cable-plane cable-stayed bridge and application thereof
CN115030518A (en) Sectional integral hoisting method for steel structure coal conveying trestle
CN106836949B (en) Large scale equipment rotary construction method
CN115007971A (en) Single-side welding double-side forming laser tracking MAG automatic welding method for installation of nuclear power station containment steel lining cylinder and dome
CN211850731U (en) 7-shaped large-angle inner-inclined high-altitude sliding operation platform
CN215166467U (en) Be suitable for under steel construction of segmentation promotion construction to hang piping lane
CN111485727B (en) Construction method for hoisting and welding arched beam of steel-structure rainshed house
CN110077963B (en) Installation method of large tank
CN107542273B (en) Core column type high-rise mast construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant