CN107841949B - A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed - Google Patents

A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed Download PDF

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Publication number
CN107841949B
CN107841949B CN201710601810.6A CN201710601810A CN107841949B CN 107841949 B CN107841949 B CN 107841949B CN 201710601810 A CN201710601810 A CN 201710601810A CN 107841949 B CN107841949 B CN 107841949B
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Prior art keywords
moulding bed
crossbeam
line
assembled
component
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CN201710601810.6A
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CN107841949A (en
Inventor
何华文
宣强
王培娟
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Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
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Nantong Zhenhua Heavy Equipment Manufacturing 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 present invention discloses a kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed, successively completes entire building technology by the assembly of assembled moulding bed, the dental lamina installation of assembled moulding bed, assembled moulding bed SURVEYING CONTROL NETWORK setting and the detection of assembled moulding bed.The advantage is that: the present invention is exclusively used in inverted trapezoidal Bridge beam, to ensure the shape and size of entire steel girder, and the crossbeam of assembled moulding bed is detachable, convenient transportation and installation, saves great amount of cost.

Description

A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed
Technical field
The present invention relates to girder assembly moulding bed technical field, especially a kind of construction of inverted trapezoidal Bridge beam assembly moulding bed Technique.
Background technique
It is exclusively used in the design of inverted trapezoidal Bridge beam, to guarantee the outer dimension and line style of steel girder, traditional moulding bed is not It can ensure the safety and quality of inverted trapezoidal Bridge beam.
Summary of the invention
The purpose of the present invention overcomes the deficiencies of the prior art and provide the construction work of an inverted trapezoidal Bridge beam assembly moulding bed Skill.
The technical scheme adopted by the invention to solve the technical problem is that:
A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed, innovative point are, successively by assembled moulding bed Entire construction work is completed in dental lamina installation, the setting of assembly moulding bed SURVEYING CONTROL NETWORK and the detection of assembled moulding bed of assembled, assembled moulding bed Skill, specific steps include:
1) assembly of assembled moulding bed:
The positioning of a column: the built-in fitting that completion has been arranged on stringer is carried according to assembled workshop, setting-out goes out vertical on the ground Then the center line in length and breadth of column distribution measures ground level difference of the column in length and breadth within the scope of center line with level, in column When blanking, this difference is added in material size, while column blanking, column is erected to by corresponding built-in fitting according to drawing On, after the verticality with horizontal ruler alignment column, by column and embedded iron firm welding;
The positioning of b crossbeam: according to assembled moulding bed design drawing, crossbeam by drawing measure and being placed on column, The longitudinal centre line that steel girder is drawn on ground, with the center line of theodolite adjustment head and the tail crossbeam and the longitudinal centre line of steel major ingredient Collinearly, the crossbeam of bracing wire adjustment sustained height between head and the tail crossbeam is aligned, with the level of horizontal ruler alignment crossbeam after crossbeam alignment Degree is secured by crossbeam and column welding after steel tape examines every grade of crossbeam spacing
The installation of longitudinally connected beam between c crossbeam: according to assembled moulding bed design drawing, the longitudinal center of ground loading stringer is compareed Line installs longitudinally connected beam between crossbeam;
The installation of d component: according to the size of moulding bed drawing, component 1, component 2 and component 3 are formed;
The positioning of each component of e: on the basis of original ground steel girder moulding bed center line, the position line of both side assemblies is drawn, is pressed Every component is placed on coarse positioning on crossbeam according to position line and with mode of the cantilever diaphragm to muscle, production is with turnbuckle Every component temporary support is fixed on crossbeam by temporary support bar, cooperates the flower on fine tuning temporary support bar using horizontal ruler Every component is adjusted to upright position, and examines the angle between crossbeam and component slash with angular templet by basket screw, is examined and is closed After lattice by each component welding on crossbeam;
The installation of the longitudinally connected beam of f inter-module: according to the longitudinally connected beam position dimension on drawing, pacify in every inter-module Longitudinally connected beam is filled, component 1, component 2 and component 3 is made to be respectively formed independent grid structure;
The installation of g inclined ladder: it is padded between the small segment of steel girder for convenience of in web outside pasted with ceramic veneer, the trifle on moulding bed Simple inclined ladder is designed in stitching portion between section, and with assembled moulding bed firm welding;
The installation of h assembly moulding bed upper brace: it according to moulding bed design drawing, installs on assembled moulding bed top and is put down for what people walked Platform installs railing for the safety for guaranteeing personnel on the outside of arranged on left and right sides platform, and the intermediate of halfpace installs railing;
The installation of i crossbeam provision for disengagement: after steel girder is assembled, in order to allow hydraulic flat car to enter moulding bed for steel girder It transports, the crossbeam of assembled moulding bed is made into removably, is first drawn on crossbeam according to drawing size and is cut off line, by gusset piece spot welding Cut off at line to crossbeam, with behind the hole bored on crossbeam by crossbeam diagonal brace installation connection in place, along cutting off after line cuts off crossbeam, use Gusset piece and bolt and nut connection fastening.
2) the dental lamina installation of assembled moulding bed: the dental lamina of assembled moulding bed is broadly divided into bottom plate dental lamina and web dental lamina, bottom plate tooth Plate is mounted on crossbeam, and web dental lamina is mounted on the hound of each component, and the outer dimension and camber line style of steel girder are most It is to be guaranteed by dental lamina eventually, after the camber curve of bottom plate dental lamina must be according to the theoretical arch camber that steel main beam design blueprint provides Line style determines;
3) assembled moulding bed SURVEYING CONTROL NETWORK setting:
A measures the setting of mark tower and ground line-transect: permanent ground sample is equipped at steel girder center, in web and top flange One end of plate intersection respectively sets a measurement mark tower, and measurement mark tower top is equipped with scale, and centre is equipped with pattern and identifies, and with On the basis of the left and right sides, makes with the method for the right reversing face fixed point of disk of facing left and set at non-50 meters of the assembled beam section side of measurement mark tower Permanent terrestrial reference, and repetition measurement is carried out to each angle, recycle laser transit to mark the located lateral reference line of each beam section, finally Release measurement ground line-transect;
The control net setting of b absolute altitude: absolute altitude datum mark is arranged in except moulding bed, and longitudinal pitch is unsuitable too long, and answers solid Reliably, maximum settlement is not greater than on the basis of 2mm, when carrying out control measurement, it is desirable that the control net mis-tie misclosure measured is little It should record and bind into book form in each absolute altitude basic point elevation data in 2mm, absolute altitude control net, and periodically be detected;
The longitudinal and transverse reference line setting of c moulding bed: moulding bed longitudinal direction reference line is set on the pre-embedded steel slab of ground, and is carried out with sample punching Label, every tire dolly are resurveyed when being transformed, and transverse reference line is set on the pre-embedded steel slab of ground, top plate and web moulding bed position It sets on the side at place, sets up the steel wire for being parallel to top plate Yu web longitudinal central axis line, the vertical, horizontal reference line of moulding bed is only used for The Primary Location of structure in the manufacturing process of segment, the precise positioning of structure is then according to scale cooperation warp on the mark tower at beam section both ends Latitude instrument or total station carry out.
4) detection of assembled moulding bed: before beam section is assembled for the first time and later under every round beam section after tire, moulding bed is transformed, Detection record is carried out in detection, and on the moulding bed that applies for checking and examination dental lamina camber it is linear, the group of next one can be carried out after confirmation is qualified Dress.
Beneficial effects of the present invention are as follows:
The present invention is exclusively used in inverted trapezoidal Bridge beam, to ensure the shape and size of entire steel girder, and assembled moulding bed Crossbeam be detachable, convenient transportation and installation, save great amount of cost.
Specific embodiment
A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed, successively by the assembly of assembled moulding bed, assembled moulding bed Dental lamina installation, the setting of assembled moulding bed SURVEYING CONTROL NETWORK and the detection of assembled moulding bed complete entire building technology, specific steps packet It includes:
1) assembly of assembled moulding bed:
The positioning of a column: the built-in fitting that completion has been arranged on stringer is carried according to assembled workshop, setting-out goes out vertical on the ground Then the center line in length and breadth of column distribution measures ground level difference of the column in length and breadth within the scope of center line with level, in column When blanking, this difference is added in material size, while column blanking, column is erected to by corresponding built-in fitting according to drawing On, after the verticality with horizontal ruler alignment column, by column and embedded iron firm welding;
The positioning of b crossbeam: according to assembled moulding bed design drawing, crossbeam by drawing measure and being placed on column, The longitudinal centre line that steel girder is drawn on ground, with the center line of theodolite adjustment head and the tail crossbeam and the longitudinal centre line of steel major ingredient Collinearly, the crossbeam of bracing wire adjustment sustained height between head and the tail crossbeam is aligned, with the level of horizontal ruler alignment crossbeam after crossbeam alignment Degree is secured by crossbeam and column welding after steel tape examines every grade of crossbeam spacing
The installation of longitudinally connected beam between c crossbeam: according to assembled moulding bed design drawing, the longitudinal center of ground loading stringer is compareed Line installs longitudinally connected beam between crossbeam;
The installation of d component: according to the size of moulding bed drawing, component 1, component 2 and component 3 are formed;
The positioning of each component of e: on the basis of original ground steel girder moulding bed center line, the position line of both side assemblies is drawn, is pressed Every component is placed on coarse positioning on crossbeam according to position line and with mode of the cantilever diaphragm to muscle, production is with turnbuckle Every component temporary support is fixed on crossbeam by temporary support bar, cooperates the flower on fine tuning temporary support bar using horizontal ruler Every component is adjusted to upright position, and examines the angle between crossbeam and component slash with angular templet by basket screw, is examined and is closed After lattice by each component welding on crossbeam;
The installation of the longitudinally connected beam of f inter-module: according to the longitudinally connected beam position dimension on drawing, pacify in every inter-module Longitudinally connected beam is filled, component 1, component 2 and component 3 is made to be respectively formed independent grid structure;
The installation of g inclined ladder: it is padded between the small segment of steel girder for convenience of in web outside pasted with ceramic veneer, the trifle on moulding bed Simple inclined ladder is designed in stitching portion between section, and with assembled moulding bed firm welding;
The installation of h assembly moulding bed upper brace: it according to moulding bed design drawing, installs on assembled moulding bed top and is put down for what people walked Platform installs railing for the safety for guaranteeing personnel on the outside of arranged on left and right sides platform, and the intermediate of halfpace installs railing;
The installation of i crossbeam provision for disengagement: after steel girder is assembled, in order to allow hydraulic flat car to enter moulding bed for steel girder It transports, the crossbeam of assembled moulding bed is made into removably, is first drawn on crossbeam according to drawing size and is cut off line, by gusset piece spot welding Cut off at line to crossbeam, with behind the hole bored on crossbeam by crossbeam diagonal brace installation connection in place, along cutting off after line cuts off crossbeam, use Gusset piece and bolt and nut connection fastening.
2) the dental lamina installation of assembled moulding bed: the dental lamina of assembled moulding bed is broadly divided into bottom plate dental lamina and web dental lamina, bottom plate tooth Plate is mounted on crossbeam, and web dental lamina is mounted on the hound of each component, and the outer dimension and camber line style of steel girder are most It is to be guaranteed by dental lamina eventually, after the camber curve of bottom plate dental lamina must be according to the theoretical arch camber that steel main beam design blueprint provides Line style determines;
3) assembled moulding bed SURVEYING CONTROL NETWORK setting:
A measures the setting of mark tower and ground line-transect: permanent ground sample is equipped at steel girder center, in web and top flange One end of plate intersection respectively sets a measurement mark tower, and measurement mark tower top is equipped with scale, and centre is equipped with pattern and identifies, and with On the basis of the left and right sides, makes with the method for the right reversing face fixed point of disk of facing left and set at non-50 meters of the assembled beam section side of measurement mark tower Permanent terrestrial reference, and repetition measurement is carried out to each angle, recycle laser transit to mark the located lateral reference line of each beam section, finally Release measurement ground line-transect;
The control net setting of b absolute altitude: absolute altitude datum mark is arranged in except moulding bed, and longitudinal pitch is unsuitable too long, and answers solid Reliably, maximum settlement is not greater than on the basis of 2mm, when carrying out control measurement, it is desirable that the control net mis-tie misclosure measured is little It should record and bind into book form in each absolute altitude basic point elevation data in 2mm, absolute altitude control net, and periodically be detected;
The longitudinal and transverse reference line setting of c moulding bed: moulding bed longitudinal direction reference line is set on the pre-embedded steel slab of ground, and is carried out with sample punching Label, every tire dolly are resurveyed when being transformed, and transverse reference line is set on the pre-embedded steel slab of ground, top plate and web moulding bed position It sets on the side at place, sets up the steel wire for being parallel to top plate Yu web longitudinal central axis line, the vertical, horizontal reference line of moulding bed is only used for The Primary Location of structure in the manufacturing process of segment, the precise positioning of structure is then according to scale cooperation warp on the mark tower at beam section both ends Latitude instrument or total station carry out.
4) detection of assembled moulding bed: before beam section is assembled for the first time and later under every round beam section after tire, moulding bed is transformed, Detection record is carried out in detection, and on the moulding bed that applies for checking and examination dental lamina camber it is linear, the group of next one can be carried out after confirmation is qualified Dress.
The above is a preferred embodiment of the present invention, and the scope of the invention cannot be limited thereby.It should refer to Out, for those skilled in the art, modification or equivalent replacement of the technical solution of the present invention are made, all Protection scope of the present invention is not departed from.

Claims (1)

1. a kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed, which is characterized in that successively by the assembly of assembled moulding bed, Entire building technology, tool are completed in the dental lamina installation of assembled moulding bed, assembled moulding bed SURVEYING CONTROL NETWORK setting and the detection of assembled moulding bed Body step includes:
1) assembly of assembled moulding bed:
The positioning of a column: the built-in fitting that completion has been arranged on stringer is carried according to assembled workshop, setting-out goes out column point on the ground Then the center line in length and breadth of cloth measures ground level difference of the column in length and breadth within the scope of center line with level, in column blanking When, this difference is added in material size, while column blanking, column is erected on corresponding built-in fitting according to drawing, After verticality with horizontal ruler alignment column, by column and embedded iron firm welding;
The positioning of b crossbeam: according to assembled moulding bed design drawing, crossbeam by drawing measure and is placed on column, on ground On draw the longitudinal centre line of steel girder, it is total with the center line of theodolite adjustment head and the tail crossbeam and the longitudinal centre line of steel major ingredient The crossbeam of bracing wire adjustment sustained height between head and the tail crossbeam is aligned, is straightened the levelness of crossbeam after crossbeam alignment with horizontal ruler by line, It is after steel tape examines every grade of crossbeam spacing, crossbeam and column welding is secured;
The installation of longitudinally connected beam between c crossbeam: according to assembled moulding bed design drawing, compareing the longitudinal centre line of ground loading stringer, Longitudinally connected beam is installed between crossbeam;
The installation of d component: according to the size of moulding bed drawing, component 1, component 2 and component 3 are formed;
The positioning of each component of e: on the basis of original ground steel girder moulding bed center line, drawing the position line of both side assemblies, according to fixed Bit line and coarse positioning on crossbeam is placed on by every component to the mode of muscle with cantilever diaphragm, production is interim with turnbuckle Every component temporary support is fixed on crossbeam by support rod, cooperates the gaily decorated basket spiral shell on fine tuning temporary support bar using horizontal ruler Every component is adjusted to upright position, and examines the angle between crossbeam and component slash with angular templet by silk, after the assay was approved By each component welding on crossbeam;
The installation of the longitudinally connected beam of f inter-module: vertical in every inter-module installation according to the longitudinally connected beam position dimension on drawing To attachment beam, component 1, component 2 and component 3 is made to be respectively formed independent grid structure;
The installation of g inclined ladder: it is padded between the small segment of steel girder for convenience of in web outside pasted with ceramic veneer, on moulding bed between small segment Stitching portion design simple inclined ladder, and with assembled moulding bed firm welding;
The installation of h assembly moulding bed upper brace: according to moulding bed design drawing, the platform walked for people is installed on assembled moulding bed top, For the safety for guaranteeing personnel, railing is installed on the outside of arranged on left and right sides platform, the intermediate of halfpace installs railing;
The installation of i crossbeam provision for disengagement: after steel girder is assembled, steel girder is transported in order to allow hydraulic flat car to enter moulding bed Out, the crossbeam of assembled moulding bed is made into removably, is first drawn on crossbeam according to drawing size and is cut off line, gusset piece is spoted weld Crossbeam is cut off at line, with behind the hole bored on crossbeam by crossbeam diagonal brace installation connection in place, along cutting off after line cuts off crossbeam, with connection Fishplate bar and bolt and nut connection fastening;
2) the dental lamina installation of assembled moulding bed: the dental lamina of assembled moulding bed is broadly divided into bottom plate dental lamina and web dental lamina, bottom plate dental lamina peace On crossbeam, web dental lamina is mounted on the hound of each component, and the outer dimension and camber line style of steel girder are finally Guaranteed by dental lamina, the camber curve of bottom plate dental lamina must be according to line style after the theoretical arch camber that steel main beam design blueprint provides To determine;
3) assembled moulding bed SURVEYING CONTROL NETWORK setting:
A measures the setting of mark tower and ground line-transect: being equipped with permanent ground sample at steel girder center, hands in web and top flange plate One end at boundary respectively sets a measurement mark tower, and measurement mark tower top is equipped with scale, and centre is equipped with pattern and identifies, and with left and right On the basis of two sides, it is permanent that setting at non-50 meters of the assembled beam section side of measurement mark tower is made with the method for the right reversing face fixed point of disk of facing left Property terrestrial reference, and repetition measurement is carried out to each angle, laser transit is recycled to mark the located lateral reference line of each beam section, it is final to release Measurement ground line-transect;
The control net setting of b absolute altitude: absolute altitude datum mark is arranged in except moulding bed, and longitudinal pitch is unsuitable too long, and answer it is solid it is reliable, Maximum settlement is not greater than on the basis of 2mm, when carrying out control measurement, it is desirable that and the control net mis-tie misclosure measured is not more than 2mm, Each absolute altitude basic point elevation data, which should record, in absolute altitude control net binds into book form, and is periodically detected;
The longitudinal and transverse reference line setting of c moulding bed: moulding bed longitudinal direction reference line is set on the pre-embedded steel slab of ground, and is marked with sample punching, Every tire dolly is resurveyed when being transformed, and transverse reference line is set on the pre-embedded steel slab of ground, at top plate and web moulding bed position Side on, set up the steel wire for being parallel to top plate Yu web longitudinal central axis line, the vertical, horizontal reference line of moulding bed is only used for segment The Primary Location of structure in manufacturing process, the precise positioning of structure then cooperate theodolite according to scale on the mark tower at beam section both ends Or total station carries out;
4) detection of assembled moulding bed: before beam section is assembled for the first time and later under every round beam section after tire, moulding bed is transformed, is examined Survey, carry out detection record, and on the moulding bed that applies for checking and examination dental lamina camber it is linear, the assembling of next one can be carried out after confirmation is qualified.
CN201710601810.6A 2017-07-21 2017-07-21 A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed Active CN107841949B (en)

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CN107841949B true CN107841949B (en) 2019-04-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910518A (en) * 2019-05-08 2020-11-10 贵州跃龙钢构有限公司 Manufacturing process of novel steel structure bridge

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020714A (en) * 1989-04-12 1991-06-04 The Boeing Company Method and press apparatus for manufacturing
EP2380694A1 (en) * 2010-04-20 2011-10-26 Philippe Ponthoreau Assembling table for I-beams
CN103846597A (en) * 2014-01-27 2014-06-11 中铁宝桥集团有限公司 Integral assembling and welding device for mobile type steel box girder segments and adjusting method
CN103990926A (en) * 2014-06-10 2014-08-20 中铁宝桥(扬州)有限公司 Predeformation jig frame
CN204282228U (en) * 2014-12-04 2015-04-22 中冶天工集团有限公司 A kind of box steel arch beam Integral horizontal type group is to jig frame special
CN105113410A (en) * 2015-05-06 2015-12-02 浙江东南网架股份有限公司 Support moulding bed and linear forming method for setting up road steel bridge using same
CN205290206U (en) * 2015-12-04 2016-06-08 青岛东方铁塔股份有限公司 Air cooling platform steel column equipment bed -jig

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020714A (en) * 1989-04-12 1991-06-04 The Boeing Company Method and press apparatus for manufacturing
EP2380694A1 (en) * 2010-04-20 2011-10-26 Philippe Ponthoreau Assembling table for I-beams
CN103846597A (en) * 2014-01-27 2014-06-11 中铁宝桥集团有限公司 Integral assembling and welding device for mobile type steel box girder segments and adjusting method
CN103990926A (en) * 2014-06-10 2014-08-20 中铁宝桥(扬州)有限公司 Predeformation jig frame
CN204282228U (en) * 2014-12-04 2015-04-22 中冶天工集团有限公司 A kind of box steel arch beam Integral horizontal type group is to jig frame special
CN105113410A (en) * 2015-05-06 2015-12-02 浙江东南网架股份有限公司 Support moulding bed and linear forming method for setting up road steel bridge using same
CN205290206U (en) * 2015-12-04 2016-06-08 青岛东方铁塔股份有限公司 Air cooling platform steel column equipment bed -jig

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