CN110080113B - Method for mounting and manufacturing variable cross-section decorative aluminum plate framework - Google Patents

Method for mounting and manufacturing variable cross-section decorative aluminum plate framework Download PDF

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Publication number
CN110080113B
CN110080113B CN201910407539.1A CN201910407539A CN110080113B CN 110080113 B CN110080113 B CN 110080113B CN 201910407539 A CN201910407539 A CN 201910407539A CN 110080113 B CN110080113 B CN 110080113B
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China
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framework
fixing
variable
skeleton
aluminum plate
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CN110080113A (en
Inventor
徐攀
杨多娇
杨德志
龚俊
胡炎海
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses a mounting and manufacturing method of a variable cross-section decorative aluminum plate framework, which comprises the following steps: carrying out plane projection and member development design on the framework members, and carrying out blanking cutting according to the size of each framework member; marking the installation positioning points of all the buttresses, and installing after the variable cross-section decorative aluminum plate framework member is manufactured; according to the skeleton line type, performing incision on the skeleton member to be bent corresponding to the curve segment position; fixing a fixing device for fixing a skeleton member to be bent, fixing the skeleton member with the cut on the fixing device, and adjusting the position of the skeleton member in real time according to the position of a manufactured curve, wherein the deformation of the skeleton member is realized by jacking a sliding jack; after each framework component is bent and formed, the framework components are fixed to the bridge bottom and the pier steel plate embedded parts. The mounting and manufacturing method of the variable cross-section decorative aluminum plate framework provided by the invention has the advantages of simplicity in operation, high construction speed, low cost, good overall stability and good forming quality.

Description

Method for mounting and manufacturing variable cross-section decorative aluminum plate framework
Technical Field
The invention relates to the technical field of building construction, in particular to a method for installing and manufacturing a variable cross-section decorative aluminum plate framework.
Background
In recent years, along with the rapid development of building industry, the requirement of urban bridges on landscape is higher and higher, the fishbelly type box girders are mostly adopted in design, the fishbelly type box girder bridges have the characteristic of attractive appearance, the aesthetic design of bridges is met, aluminum plate line type is irregular in the construction of box girder variable cross-section buttress decorative aluminum plates, the difficulty of curved surface installation, manufacture and installation is higher, in order to ensure the quality of molded impression, firstly, the manufacturing and installation precision of variable cross-section buttress decorative aluminum plate structural frameworks is controlled, the conventional construction method cannot meet the requirement of on-site framework member molding, the manufacturing precision cannot meet the requirement of one-time installation high-precision molding, secondary treatment is generally needed, the requirement of one-time precise measurement one-time installation molding cannot be met, and the quality of installation impression cannot be ensured. And the manufacturing and installation period is long, the adjustment times and the line type are difficult to guarantee, the whole structural strength cannot be guaranteed, the modeling and the structural form are complex, and new challenges are brought to construction.
Disclosure of Invention
The invention mainly aims to provide the mounting and manufacturing method of the variable cross-section decorative aluminum plate framework, which has the advantages of simple operation, high construction speed, low cost, good overall stability and good forming quality.
In order to achieve the purpose, the invention provides a mounting and manufacturing method of a variable cross-section decorative aluminum plate framework, which comprises the following steps:
carrying out plane projection and member development design on the framework members, and carrying out blanking cutting according to the size of each framework member;
marking the installation positioning points of all the buttresses, and installing after the variable cross-section decorative aluminum plate framework member is manufactured;
according to the skeleton line type, performing incision on the skeleton member to be bent corresponding to the curve segment position;
fixing a fixing device for fixing a skeleton member to be bent, fixing the skeleton member with a cut on the fixing device, adjusting the position of the skeleton member in real time according to the position of a manufactured curve, wherein the deformation of the skeleton member is realized by jacking a sliding jack, the jack is arranged on a sliding device, the sliding device slides to the bending node position of each section of the skeleton member through a sliding track, and then jacking through the jack, and after the bending of each section is finished, the bending precision of two sides is realized by using a square;
after each framework component is bent and formed, the framework components are fixed to the bridge bottom and the pier steel plate embedded parts.
Preferably, after the step of fixing each framework member to the bridge bottom and the abutment steel plate embedded part after the step of bending and forming each framework member, the method further comprises the following steps:
after the bending-formed framework components are installed, the reinforcing plate of each framework component is installed to enhance the rigidity of the framework components and ensure the stability of the framework components.
Preferably, when the reinforcing plate of the framework member is installed, a welding fixing mode is adopted, and the welding position is subjected to intermittent welding.
Preferably, when the corresponding curve section position of the skeleton member to be bent is notched, the notch depth is 3.5-4.0 cm, a plurality of notches correspond to a plurality of bent sections, the notch position interval is encrypted according to the curve position, and the notch position surface is polished to be smooth so as to ensure the installation of the later skeleton member and the reinforcement of the reinforcing plate.
Preferably, when the deformation of the framework member is realized by jacking the sliding jacks, the jacks jack from the middle part of the framework member to the two sides to extrude and deform the framework member to be bent and formed.
Preferably, when the skeleton member to be bent is fixed to the fixing device, when each section is jacked by the jack, both ends of the currently jacked section of the skeleton member are fixed to the fixing device by the adjusting bolts, so that deformation of the skeleton member is accurately controlled.
Preferably, when the bending precision of the two sides is carried out by using a square after the bending of each segment is finished, the rechecking precision is controlled within the deviation range of 2 mm.
Preferably, after each framework component is manufactured and molded, when each framework component is fixed to the bridge bottom and the pier steel plate embedded part, the framework components are fixed by welding, the main framework components on the cross line are firstly installed during installation, and after the main framework components are installed, other framework components with the variable cross sections of the curved aluminum plates begin to be installed.
Preferably, the fixing device comprises a supporting base plate fixed on the ground and a clamping device fixed above the supporting base plate, a stiffening plate is further connected between the supporting base plate and the clamping device, a sliding rail is mounted on the supporting base plate, the bottom end of the sliding device is mounted on the sliding rail, a jack is mounted on the top end of the sliding device, and two ends of the framework member are fixed on the clamping device.
Preferably, the support base plate is fixed to the ground by fixing bolts.
The invention provides an installation and manufacturing method of a variable cross-section decorative aluminum plate framework, which is characterized in that when a framework component is formed, an adjusting device is arranged according to the actual situation on site, so that the forming error of the framework component is controlled within the deviation range of 2mm, the problem of overlarge gap of the contact part of the original framework component is solved, the problem of poor control of curves when the lengths of the framework components are different is solved by a fixing device, the jacking position of the component is adjusted by sliding of a sliding device, the bending forming of the framework component is controlled, the problems of manufacturing of component manufacturers and manual radian adjustment on site are solved, the curve forming is achieved by controlling the depth of the notch of the component, the forming is easy, the problem of strength enhancement of the original component is solved. The method reduces the installation accuracy error of the original framework and solves the problem that the original component cannot be manufactured and installed due to the limitation of field conditions. The whole method is high in construction speed and low in cost, and compared with the traditional construction method, the installation and manufacturing method has the advantages of being practical and improving the appearance and quality of construction.
Drawings
FIG. 1 is a schematic cross-sectional structure diagram of a framework member when the framework member is installed in the method for manufacturing a variable cross-section decorative aluminum plate framework of the present invention;
FIG. 2 is a schematic cross-sectional view of the framework member before bending in the method for manufacturing and installing the variable cross-section decorative aluminum plate framework of the present invention;
FIG. 3 is a schematic cross-sectional view of a curved framework member of the method for manufacturing a variable cross-section decorative aluminum sheet framework according to the present invention;
FIG. 4 is a schematic structural diagram of the framework member after bending and when a reinforcing plate is installed in the method for installing and manufacturing the variable cross-section decorative aluminum plate framework of the invention;
FIG. 5 is a schematic plan view of a fixing device in the method for mounting and manufacturing a variable cross-section decorative aluminum plate skeleton according to the present invention;
FIG. 6 is a schematic view of the elevation structure of the fixing device in the method for mounting and manufacturing the variable cross-section decorative aluminum plate framework of the present invention.
In the figure, 1-framework components, 2-reinforcing plates, 3-notches, 4-steel plate embedded parts, 5-supporting bottom plates, 6-clamping devices, 7-stiffening plates, 8-fixing bolts, 9-sliding rails, 10-sliding devices and 11-jacks.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, in the preferred embodiment, a method for installing and manufacturing a variable cross-section decorative aluminum plate framework includes the following steps:
step S10, carrying out plane projection and member development design of the framework members 1, and carrying out blanking cutting according to the size of each framework member 1;
step S20, marking the installation positioning points of the buttresses, and installing after the variable cross-section decorative aluminum plate framework member 1 is manufactured;
step S30, according to the skeleton line type, performing a cut 3 on the skeleton component 1 to be bent corresponding to the curve segment position;
step S40, after fixing a fixing device for fixing the skeleton member 1 to be bent, fixing the skeleton member 1 with the cut 3 on the fixing device, adjusting the position of the skeleton member 1 in real time according to the position of a manufactured curve, enabling the skeleton member 1 to deform by jacking through a sliding jack 11, installing the jack 11 on a sliding device 10, enabling the sliding device 10 to slide to the bending node position of each section of the skeleton member 1 through a sliding rail 9, jacking through the jack 11, and performing two-side bending precision by using a square after the bending of each section is completed;
and step S50, after the bending forming of each framework component 1 is finished, fixing the framework components to the bridge bottom and the pier steel plate embedded parts.
Further, step S50 is followed by:
step S60, after the bending-formed framework member 1 is installed, the reinforcing plate 2 of each framework member 1 is installed to enhance the rigidity of the framework member 1 and ensure the stability of the framework member 1.
In step S60, when the reinforcing plate 2 of the frame member 1 is attached, the welding fixing method is adopted, and the welding portion is intermittently welded.
In the step S30, when the cuts 3 are made at the positions of the curved sections corresponding to the skeleton member 1 to be bent, the depth of each cut 3 is 3.5-4.0 cm, the cuts 3 correspond to the curved sections, the positions of the cuts 3 are spaced according to the curved sections, and the surfaces of the cuts 3 are polished to be smooth so as to ensure that the skeleton member 1 is installed and the reinforcing plate 2 is reinforced in the later period. The curve forming of the framework member 1 is achieved through controlling the depth of the member notch 3, and the forming is easy.
In step S40, when the deformation of the frame member 1 is performed by the jacking of the sliding jacks 11, the jacks 11 jack from the middle of the frame member 1 to both sides to press and deform the frame member 1 to be bent. The jack 11 can effectively control the deformation of adjacent sections at two sides of the jacking section end relative to the jacking mode from one side to the other side in the mode of jacking from the middle of the framework member 1 to two sides (for example, after the framework member 1 is bent by jacking from the middle to the left end gradually, and then the framework member 1 is bent by jacking from the middle to the right end gradually).
When the skeleton member 1 to be bent is fixed to the fixing device, when the jack 11 jacks into one section, both ends of the current jack-in section of the skeleton member 1 are fixed to the fixing device through the adjusting bolts, so that the deformation of the skeleton member 1 is accurately controlled. After each segment is bent, when the bending precision of two sides is carried out by using a square, the rechecking precision is controlled within the deviation range of 2 mm.
In step S50, after each framework member 1 is manufactured and molded, when each framework member is fixed to the bridge bottom and the embedded pier steel plate, the framework members 1 are fixed by welding, the main framework members 1 on the cross line are firstly installed during installation, and after the main framework members 1 are installed, the framework members 1 with the variable cross sections of other curved aluminum plates are installed.
In this embodiment, the fixing device includes a supporting base plate 5 fixed on the ground and a clamping device 6 fixed above the supporting base plate 5, a stiffening plate 7 is further connected between the supporting base plate 5 and the clamping device 6, a sliding rail 9 is installed on the supporting base plate 5, the bottom end of the sliding device 10 is installed on the sliding rail 9, a jack 11 is installed on the top end of the sliding device 10, and both ends of the framework member 1 are fixed on the clamping device 6. The support base plate 5 is fixed on the ground by fixing bolts 8. The slide device 10 is slidable on the slide rail 9.
The working flow of the method for mounting and manufacturing the variable cross-section decorative aluminum plate framework is specifically described below.
1. Firstly, measuring and collecting variable cross-section buttress position curve measurement data by adopting a laser line projector, a total station and an angle square, then carrying out plane projection and member expansion design on a framework member 1 by utilizing drawing software (CAD) in combination with data measured on site, designing each framework member 1, and carrying out blanking cutting according to different sizes.
2. And (3) carrying out entity measurement lofting on the variable cross-section buttress according to the design scheme, marking the installation positioning points of the buttresses, and installing after the variable cross-section decorative aluminum plate framework member 1 is manufactured.
3. According to the skeleton line type, carry out incision 3 with the corresponding curve section position of skeleton component 1 that will wait to buckle, 3 positions of incision and the degree of depth should be 3.5~4.0cm, and 3 intervals of incision are suitably encrypted according to the curve position, and 3 positions of incision surface need polish and level, guarantee the installation of later stage skeleton component 1 and reinforcing plate 2 and strengthen, and the tight welding of contact is firm, guarantees construction quality.
4. The fixing device is fixed on the concrete ground, the supporting bottom plate 5 is fixed and fixed firmly by the fixing bolts 8, and local reinforcement is reinforced by adopting a reinforcing plate 7 welding reinforcement mode. Then, a curved framework component 1 is manufactured, the framework component 1 with the cut 3 is fixed on a clamping device 6, the position of the framework component 1 is adjusted in real time according to the position of the manufactured curve and is fixed through an adjusting bolt, curve deformation is achieved through jacking of a jack 11, the jack 11 is installed on a sliding device 10, the sliding device 10 slides to the position of a bending node of each section of the framework component 1 through a sliding rail 9 and then jacks, manufacturing precision of two sides is achieved through a square after each section of the section.
5. Every skeleton member 1 preparation shaping back, on being fixed to bridge bottom and pier steel sheet bury, adopt welded fastening, at first install four main skeleton members 1 on the criss-cross line during the installation, after the installation main component, begin to install other curved surface aluminum plate variable cross section skeletons, the accumulative total deviation control of whole variable cross section installation line type can be guaranteed to this installation order, the welding slag is clear away after top and bottom and the completion of burying the welding, the welding seam position height of polishing ensures that outside skeleton position is smooth-going, the aluminum plate installation of being convenient for.
6. After the installation of curved surface skeleton is accomplished, install reinforcing plate 2 that every skeleton member 1 corresponds to reinforcing skeleton rigidity, ensure that the skeleton is firm, fixed adoption welded fastening mode, welding position adopts to be interrupted to weld, prevents welding shrinkage deformation, changes original curve, and after the installation of aluminum plate bolt fastening one side reinforcing plate 2 was accomplished, the welding slag was clear away, and the welding seam position height of polishing ensures that outside skeleton position is smooth-going, the aluminum plate installation of being convenient for. Because whole variable cross section aluminum plate installation skeleton, the section height diverse, the size of every section of skeleton component 1 is also different, so need strictly control surface shaping precision in the preparation installation, for reaching the use impression effect, all need carry out the surface after 1 installations of skeleton component and polish, the surface does not need special decorative treatment can guarantee aluminum plate shaping impression quality.
The invention provides a method for mounting and manufacturing a variable cross-section decorative aluminum plate framework, which is characterized in that when a framework member 1 is formed, an adjusting device is arranged according to the actual situation on site, so that the forming error of the framework member 1 is controlled within the deviation range of 2mm, the problem of overlarge gap of the contact part of the original framework member 1 is solved, the problem of poor curve control when the lengths of the framework members 1 are different is solved by using a fixing device, the jacking position of the members is adjusted by sliding a sliding device 10, the bending forming of the framework member 1 is controlled, the problems of manufacturing of the members and manual radian adjustment on site are solved, the curve forming is achieved by controlling the depth of a member notch 3, the forming is easy, the problem of strength reinforcement of the original members is solved by adding a stiffening. The method reduces the installation accuracy error of the original framework and solves the problem that the original component cannot be manufactured and installed due to the limitation of field conditions. The whole method is high in construction speed and low in cost, and compared with the traditional construction method, the installation and manufacturing method has the advantages of being practical and improving the appearance and quality of construction.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.

Claims (9)

1. The mounting and manufacturing method of the variable cross-section decorative aluminum plate framework is characterized by comprising the following steps of:
carrying out plane projection and member development design on the framework members, and carrying out blanking cutting according to the size of each framework member;
marking the installation positioning points of all the buttresses, and installing after the variable cross-section decorative aluminum plate framework member is manufactured;
according to the skeleton line type, performing incision on the skeleton member to be bent corresponding to the curve segment position;
fixing a fixing device for fixing a skeleton member to be bent, fixing the skeleton member with a cut on the fixing device, adjusting the position of the skeleton member in real time according to the position of a manufactured curve, wherein the deformation of the skeleton member is realized by jacking a sliding jack, the jack is arranged on a sliding device, the sliding device slides to the bending node position of each section of the skeleton member through a sliding track, and then jacking through the jack, and after the bending of each section is finished, performing double-side bending precision rechecking by using a square;
after each framework component is bent and formed, the framework components are fixed to the bridge bottom and the pier steel plate embedded parts;
the fixing device comprises a supporting base plate fixed on the ground and a clamping device fixed above the supporting base plate, a stiffening plate is further connected between the supporting base plate and the clamping device, a sliding track is installed on the supporting base plate, the bottom end of the sliding device is installed on the sliding track, a jack is installed on the top end of the sliding device, and two ends of the framework component are fixed on the clamping device.
2. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework as claimed in claim 1, wherein after the step of fixing each framework member to the bridge bottom and the pier steel plate embedded part after the step of bending and forming each framework member, the method further comprises the following steps:
after the bending-formed framework components are installed, the reinforcing plate of each framework component is installed to enhance the rigidity of the framework components and ensure the stability of the framework components.
3. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework of claim 2, wherein when the reinforcing plate of the framework component is installed, a welding fixing mode is adopted, and the welding position adopts intermittent welding.
4. The method for installing and manufacturing the variable cross-section decorative aluminum plate framework as claimed in claim 2, wherein when the positions of the curved sections corresponding to the framework component to be bent are notched, the notch depth is 3.5-4.0 cm, the notches correspond to the curved sections, the notch position intervals are encrypted according to the curved positions, and the notch position surfaces are polished flat to ensure the installation of the framework component and the reinforcement of the reinforcing plate in the later period.
5. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework as claimed in claim 1, wherein when the framework member is deformed by a sliding jack, the jack is pushed from the middle part of the framework member to two sides to extrude and deform the framework member to be bent.
6. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework as claimed in claim 5, wherein when the framework member to be bent is fixed to the fixing device, when the jack is pushed into each section, both ends of the currently pushed section of the framework member are fixed to the fixing device by adjusting bolts, so as to precisely control the deformation of the framework member.
7. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework as claimed in claim 6, wherein when the right-angle ruler is used for double-side bending precision rechecking after each segment is bent, the rechecking precision is controlled within a deviation range of 2 mm.
8. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework as claimed in claim 1, wherein after each framework component is manufactured and molded, when each framework component is fixed on the bridge bottom and the pier steel plate embedded part, the framework components are fixed by welding, the main framework components on the cross line are firstly installed during installation, and after the main framework components are installed, other curved surface aluminum plate variable cross-section framework components are installed.
9. The method for installing and manufacturing a variable cross-section decorative aluminum plate framework of claim 1, wherein the supporting bottom plate is fixed on the ground through fixing bolts.
CN201910407539.1A 2019-05-16 2019-05-16 Method for mounting and manufacturing variable cross-section decorative aluminum plate framework Active CN110080113B (en)

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CN110080113B true CN110080113B (en) 2021-01-19

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KR100909839B1 (en) * 2008-05-21 2009-07-28 (주)평화엔지니어링 Curve type preflexion steel beam frame using preflexion for installing reinforcing material at curved steel material of a curved steel frame and method for manufacturing the same
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CN105298143A (en) * 2015-05-12 2016-02-03 江苏南通六建建设集团有限公司 Construction method of multi-lateral double-curved-face open-type titanium composite board curtain wall
CN105568854A (en) * 2015-12-17 2016-05-11 广州市恒盛建设工程有限公司 Construction method of overwater curved fish-bellied cast-in-place reinforced concrete box girder
CN105735638A (en) * 2016-03-23 2016-07-06 中冶建工集团有限公司 Machining method of arc-shaped mold for bracket casting and bracket casting method of arc-shaped mold
CN105887696A (en) * 2016-05-25 2016-08-24 中交第航务工程局有限公司 Variable-cross-section adjustable integral form board of mobile formwork
CN109352285A (en) * 2018-11-30 2019-02-19 中国冶集团有限公司 A kind of production method of hyperboloid fish-belly continuous box beam Variable Section Steel template

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3637166B2 (en) * 1996-11-07 2005-04-13 三菱重工業株式会社 Segment perfect circle holding device
KR100909839B1 (en) * 2008-05-21 2009-07-28 (주)평화엔지니어링 Curve type preflexion steel beam frame using preflexion for installing reinforcing material at curved steel material of a curved steel frame and method for manufacturing the same
CN201857754U (en) * 2010-10-09 2011-06-08 中国一冶集团有限公司 Positioning device for installing templates with curved surfaces
CN105298143A (en) * 2015-05-12 2016-02-03 江苏南通六建建设集团有限公司 Construction method of multi-lateral double-curved-face open-type titanium composite board curtain wall
CN105568854A (en) * 2015-12-17 2016-05-11 广州市恒盛建设工程有限公司 Construction method of overwater curved fish-bellied cast-in-place reinforced concrete box girder
CN105735638A (en) * 2016-03-23 2016-07-06 中冶建工集团有限公司 Machining method of arc-shaped mold for bracket casting and bracket casting method of arc-shaped mold
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