CN204001429U - A kind of Large-diameter Steel tubing string suspension column structure and suspension column absolute altitude adjustment fixing structure thereof - Google Patents

A kind of Large-diameter Steel tubing string suspension column structure and suspension column absolute altitude adjustment fixing structure thereof Download PDF

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Publication number
CN204001429U
CN204001429U CN201420450437.0U CN201420450437U CN204001429U CN 204001429 U CN204001429 U CN 204001429U CN 201420450437 U CN201420450437 U CN 201420450437U CN 204001429 U CN204001429 U CN 204001429U
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China
Prior art keywords
steel pipe
crab
bolt
plate
column
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Expired - Fee Related
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CN201420450437.0U
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Chinese (zh)
Inventor
孙慧星
李海清
张建东
张曾余
刘义权
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China Metallurgical Construction Engineering Group Co Ltd
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China Metallurgical Construction Engineering Group Co Ltd
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of suspension column absolute altitude adjustment fixing structure, comprise four installation crab-bolts that are embedded in concreting; With the steel pipe column being arranged in installation crab-bolt, pipe column lower end is formed with a circle and protrudes from the flange of Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole and is arranged in crab-bolt, it is characterized in that, in the crab-bolt of flange below, be provided with single nut, in the crab-bolt of flange top, be provided with double nut.The invention also discloses a kind of a kind of Large-diameter Steel tubing string suspension column structure that has adopted this suspension column absolute altitude adjustment fixing structure.The utlity model has and facilitate suspension column absolute altitude to regulate, ensure suspension column installation level, and convenient construction, make its constructing operation more convenient, the advantage that construction quality is higher is installed more precisely fast.

Description

A kind of Large-diameter Steel tubing string suspension column structure and suspension column absolute altitude adjustment fixing structure thereof
Technical field
The utility model relates to a kind of steel pipe column construction field, is specifically related to a kind of Large-diameter Steel tubing string suspension column structure and suspension column absolute altitude adjustment fixing structure thereof.
Background technology
Steel pipe column (being steel core concrete column) refers to, fill concrete in steel pipe and form and steel pipe and core concrete thereof can bear the architectural support structure member of external load effect jointly, press section form difference, can be divided into concrete filled steel tube and quadrate steel pipe column etc., in steel pipe column, steel pipe makes concrete in three dimension stress state to the concrete effect of contraction in its inside, has improved concrete compressive strength; The concrete of steel duct can prevent again steel pipe generation cripling effectively.Research shows, the bearing capacity of steel pipe column is higher than corresponding steel pipe column bearing capacity and concrete column bearing capacity sum.Interaction between steel pipe and concrete makes the concrete destruction of steel duct change plastic failure into by brittle fracture, and the ductile performance of member is obviously improved, and energy dissipation capacity improves greatly, has superior anti-seismic performance.
Large-diameter Steel tubing string in the application is to refer in particular in circular steel tubing string to fill out and fill with concrete round steel tubing string, and major diameter generally refers to diameter 1200mm~1800mm scope.This Large-diameter Steel tubing string can adapt to greatly across, the condition such as towering, heavily loaded, meet the industrial requirement of Modern Construction Technology, be widely used in individual layer and multi storied industrial factory building post, large span and space structures, commercial square, multistory office and house, high level and super highrise building.
But because the diameter of steel tube of Large-diameter Steel tubing string is larger, therefore the suspension column construction method of ordinary steel tubing string is no longer applicable, there is location inconvenience, the defects such as complex operation, need to redesign a kind of constructing operation more convenient, the Large-diameter Steel tubing string suspension column structure that construction quality is higher is installed more precisely fast.In addition, when steel pipe column construction of the prior art, exist suspension column absolute altitude to regulate inconvenience, be difficult to ensure the defect of suspension column levelness.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide one to facilitate suspension column absolute altitude to regulate, ensure the suspension column absolute altitude adjustment fixing structure of suspension column installation level, further provide a kind of constructing operation more convenient simultaneously, the Large-diameter Steel tubing string suspension column structure that construction quality is higher is installed more precisely fast.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of suspension column absolute altitude adjustment fixing structure, comprises four installation crab-bolts that are embedded in concreting; With the steel pipe column being arranged in installation crab-bolt, pipe column lower end is formed with a circle and protrudes from the flange of Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole and is arranged in crab-bolt, it is characterized in that, in the crab-bolt of flange below, be provided with single nut, in the crab-bolt of flange top, be provided with double nut.
In the utility model, in the crab-bolt below flange, be provided with single nut, the convenient horizontal absolute altitude that regulates pipe column lower end face by rotation single nut, ensures steel pipe column suspension column installation level; The double nut simultaneously arranging, for fixing, ensures fixing reliable.
The invention also discloses a kind of Large-diameter Steel tubing string suspension column structure, comprise that steel pipe column and suspension column install pre-buried location structure, described suspension column is installed the base concrete bed course that pre-buried location structure comprises foundation ditch bottom, be positioned at the concreting on foundation ditch base concrete bed course, four that are embedded in concreting crab-bolt be installed; Described steel pipe column comprises steel pipe column cylinder; It is characterized in that, the pre-buried location ring flat-plate that is provided with an annular in concreting surface, is provided with four crab-bolt installing holes along orthogonal two diametric(al)s on the ring flat-plate of location, described four anchor bolt preburied being arranged in four crab-bolt installing holes is installed; The vertical fixing bottom junction steel plate of described steel pipe column cylinder lower end welding, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, and on flange, corresponding crab-bolt position is provided with installing hole and is fixedly connected on the ring flat-plate of location with crab-bolt.Wherein, on described flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling, in the crab-bolt of bottom junction steel plate below, be provided with single nut, in the crab-bolt of bottom junction steel plate top, be provided with double nut.
In this Large-diameter Steel tubing string suspension column structure, due to the pre-buried location ring flat-plate that is provided with in the concreting in foundation ditch, facilitate crab-bolt location by the locating hole on the ring flat-plate of location, then location-plate upper surface is convenient aims at and is connected with pipe column lower end flange support, so just can facilitate installation and the aligning of steel pipe column, make erection of steel pipe column more fast accurately and reliably.Wherein arrange limiting plate between form grouting joint filling can conveniently be in the milk after globality better.Simultaneously, can find out in this Large-diameter Steel tubing string suspension column structure and adopt above-mentioned suspension column absolute altitude adjustment fixing structure, while adopting like this single nut conveniently to install, regulate, adopt double nut to ensure fixing reliable, ensured installation stability, convenient installation connects.
As optimization, described location ring flat-plate is width 100mm, the doughnut-shaped steel plate of thickness 10mm.Can ensure better like this reliability of its supporting and location.
As optimization, in the concreting of ring flat-plate below, described location, be embedded with the vertical rod support for supporting and location ring flat-plate while installation, described vertical rod support comprises that four along the equally distributed fixing reinforcing bar of place, steel pipe column axle center circle, fixing reinforcing bar vertically arranges, described fixing reinforcing bar lower end is fixed to base concrete bed course to downward-extension, fixing reinforcing bar upper end is welded with the vertical rod of tube material straight up, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, between 1# supporting steel pipe and 2# supporting steel pipe and vertical rod, binding is provided with two layers of mesh sheet muscle, in the vertical rod of 1# supporting steel pipe and 2# supporting steel pipe below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, between 3# supporting steel pipe and 4# supporting steel pipe and vertical rod, binding is provided with one deck net sheet muscle, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.
Like this, adopt the vertical rod support of this structure, when location ring flat-plate can be conveniently installed, can realize more quickly support and the Level tune of location ring flat-plate, make its constructing operation convenience and supporting and location reliable.
As optimization, the position of described vertical rod horizontal direction is positioned at the position of four crab-bolts along four crossing points of the tangent line of place circle.
After optimizing like this, the support stressed more science equilibrium of supporting steel pipe to location ring flat-plate, ensures that stability of strutting system is better.
In sum, the utlity model has and facilitate suspension column absolute altitude to regulate, ensure suspension column installation level, and convenient construction, make its constructing operation more convenient, the advantage that construction quality is higher is installed more precisely fast.
Brief description of the drawings
Fig. 1 is the structural representation of overlooking direction of the vertical rod support that adopts while specifically implementing of Large-diameter Steel tubing string suspension column structure of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is Large-diameter Steel tubing string suspension column structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with a kind of large diameter steel pipe suspension column construction method that has adopted the utility model structure and accompanying drawing, the utility model is described in further detail.The suspension column structure obtaining after this construction method construction, i.e. Large-diameter Steel tubing string suspension column structure of the present utility model.
When concrete enforcement: a kind of Large-diameter Steel tubing string suspension column construction, comprises the following steps:
A, after foundation ditch acceptance(check), in foundation ditch, pour into a mould the base concrete bed course of C30;
B, above foundation ditch bed course colligation bottom reinforcement bars net sheet and sidewall reinforced mesh;
C, four crab-bolts of installation;
Above-mentioned steps a and step b self are ripe prior art, do not describe in detail at this, and the method is made the place of improving and contributing to prior art, be:
Described crab-bolt is M36 crab-bolt, crab-bolt adopts pre-buried location ring flat-plate to position while installation, and the vertical rod stent support of the pre-buried front employing steel tubular structure of location ring flat-plate positions installation, and described location ring flat-plate adopts width 100mm, the doughnut-shaped steel plate of thickness 10mm, to guarantee crab-bolt installation accuracy; On doughnut-shaped steel plate, be provided with four crab-bolt installing holes along orthogonal two diametric(al)s.Time prepared by doughnut-shaped steel plate, first setting-out blanking, afterwards according to first unwrapping wire on steel plate strip (being doughnut-shaped steel plate) of the relative position of crab-bolt, find out the relative position (both relative positions of every post crab-bolt) of anchor hole, then be placed on platen hole (being crab-bolt installing hole), the diameter in hole, than the large 1mm of crab-bolt diameter, is beneficial to crab-bolt and installs.
Wherein, the concrete steps of pre-buried location ring flat-plate comprise: crab-bolt is installed front on foundation ditch bed course, adopt total powerstation unwrapping wire (drawing criss-cross basic axis), first determine four crab-bolt positions according to drawing, four points that then intersect along the tangent line of place circle four crab-bolts are defined as vertical rod installation site; When colligation bottom reinforcement bars net sheet, avoid vertical rod installation site, and bore the fixing hole of φ 16mm and dark 20mm downwards four vertical rod installation sites, adopt the fixing reinforcing bar of φ 16mm squeeze into straight down in fixing hole and leave the welding section protruding upward outside fixing hole, on the welding section of fixing reinforcing bar top, be welded and fixed straight up the vertical rod of tube material; After vertical rod is fixing, first penetrate three-layer network sheet muscle (reinforced mesh), then first adopt steel tube fastener to connect in vertical rod upper end two 1# supporting steel pipe and 2# supporting steel pipes that level is relative are set, adjust 1# supporting steel pipe and 2# supporting steel pipe planeness and highly make its upper surface for direct supporting and location ring flat-plate by Mobile steel tube clamps, two layers of mesh sheet muscle (penetrating going up most of three-layer network sheet muscle two-layer) in colligation below 1# supporting steel pipe and 2# supporting steel pipe again, upper two layers of mesh sheet muscle is by fixed to 1# supporting steel pipe and 2# supporting steel pipe and four vertical rods; Two levels are set relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe by connecting in the vertical rod of steel tube fastener below upper two layers of mesh sheet muscle again, after then colligation three-layer network sheet muscle (orlop of the three-layer network sheet muscle penetrating) makes 3# supporting steel pipe and 4# supporting steel pipe and vertical rod fixed; Then doughnut-shaped steel plate is supported and is arranged on 1# supporting steel pipe and 2# supporting steel pipe upper surface, and make four crab-bolt installing holes on doughnut-shaped steel plate and four crab-bolt position consistency (before and after welding, carry out position measurement check guarantee crab-bolt position of mounting hole and place top surface plane positional precision accurate), to between doughnut-shaped steel plate and 1# supporting steel pipe and 2# supporting steel pipe, be welded and fixed, simultaneously by the reinforcing bar of vertical diameter 20mm, doughnut-shaped steel plate and 3# supporting steel pipe and 4# supporting steel pipe are welded and fixed; Then in the crab-bolt installing hole of doughnut-shaped steel plate, install crab-bolt, check after crab-bolt positioning precision meets code requirement and complete suspension column bottom concreting, construction that steel pipe column lifting is fixed and be in the milk in suspension column bottom.
Wherein, crab-bolt is installed when enforcement and adopts M36 crab-bolt, crab-bolt is installed and is adopted the fixing mode of upper and lower nut to install, fixing reliable and stable to guarantee; In the concreting process of suspension column bottom, note the protection of steel plate strip and opposition shaft bar, forbid producing and clash into; When erection of steel pipe column, lifting hoisting point position is the otic placode on steel pipe column top, couples together, to ensure to lift by crane safety by shackle and wire rope.Preferably adopt 25t mobile crane to lift.After steel pipe column is in place, adopt double nut to be fixed with the mounting flange of installing hole through crab-bolt and steel plate strip (locating ring flat-plate) pipe column lower end.As preferably, before steel pipe column lifting, need draw bus at the symmetrical four direction of steel pipe column crust in addition, identical with basic axis while being convenient to steel column hoisted in position, reach the control of installation site precision by axis.
Wherein, can adopt single nut to regulate Steel Pipe Column footnote high; Be specially, before head saves steel pipe column lifting, first single nut is screwed into certain position in crab-bolt, by two total powerstation control steel pipe column axial location, after the lifting of first joint steel pipe column and axial location are determined, by regulating single nut control Steel Pipe Column footnote high, in adjusting elevation process, require the symmetrical adjusting of operating personnel again, and by the mode of fine tuning after first coarse adjustment, the installation accuracy that ensures steel pipe column requires single nut to have enough intensity, to guarantee its stability simultaneously.Steel Pipe Column footnote height adopts double nut to fix steel pipe column after determining again, specifically, after first joint steel pipe column absolute altitude is determined, (bottom junction steel plate is the steel plate that is used to form mounting flange that pipe column lower end is welded and fixed first steel pipe column bottom junction steel plate to be placed in to crab-bolt, on steel plate, be preset with the installing hole corresponding with crab-bolt), by double nut centering crab-bolt, adopt special spanner to be screwed in crab-bolt subsequently, ensure that double nut is fixed to steel pipe column.Make so swift to operate, accurate positioning and fixing reliable.Finally carry out suspension column bottom grouting, be head save steel pipe column fixing after, with the space between High Strength Non-shrinking Filling Material pouring steel pipe column suspension column and suspension column concrete, specific implementation process is according to common stone bolt grouting execution.
When above-mentioned engineering method is implemented, check that crab-bolt positioning precision checks according to code requirement, steel bar stress checks 10 points; cage of reinforcement checks 10 points; topping checks 10 points, and to after the application of force of checkpoint, crab-bolt being carried out the detection of plan-position, skew is within the 5mm of code requirement.Particular exam process operates according to code requirement, not at this detailed description.
When above-mentioned engineering method is implemented, steel pipe column can adopt steel plate to roll rear welding to obtain, steel plate adopts area of computer aided blanking, control steel pipe manufacturing quality, after rolling, obtain steel pipe column cylinder, then at welding bottom, steel pipe column cylinder lower end junction steel plate, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole, on flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling to facilitate grouting fixing, while welding bottom junction steel plate, ensure that its table plane is vertical with Steel Pipe Column body axis, make after steel pipe column, above-mentioned steps is installed and completes installation.The suspension column structure obtaining after installing is Large-diameter Steel tubing string suspension column structure of the present utility model, its structure comprises that above-mentioned Large-diameter Steel tubing string suspension column installs pre-buried location structure, also comprise steel pipe column, steel pipe column is installed and is fastened on the ring flat-plate of location by described crab-bolt.Wherein said steel pipe column comprises steel pipe column cylinder and the vertical fixing bottom junction steel plate of steel pipe column cylinder lower end welding, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole and is connected with crab-bolt, on flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling, in the crab-bolt of junction steel plate below, bottom, be provided with single nut, in the crab-bolt of bottom junction steel plate top, be provided with double nut.
From said process, after this construction method construction, obtained structure of the present utility model, specifically, the utility model structure comprises that steel pipe column and suspension column install pre-buried location structure, described suspension column is installed the base concrete bed course that pre-buried location structure comprises foundation ditch bottom, be positioned at the concreting on foundation ditch base concrete bed course, four that are embedded in concreting crab-bolt is installed, the pre-buried location ring flat-plate that is provided with an annular in concreting surface, on the ring flat-plate of location, be provided with four crab-bolt installing holes along orthogonal two diametric(al)s, described four anchor bolt preburied being arranged in four crab-bolt installing holes is installed.Described location ring flat-plate is width 100mm, the doughnut-shaped steel plate of thickness 10mm.In the concreting of ring flat-plate below, described location, be embedded with the vertical rod support for supporting and location ring flat-plate while installation, described vertical rod support comprises that four along the equally distributed fixing reinforcing bar of place, steel pipe column axle center circle, fixing reinforcing bar vertically arranges, described fixing reinforcing bar lower end is fixed to base concrete bed course to downward-extension, fixing reinforcing bar upper end is welded with the vertical rod of tube material straight up, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, between 1# supporting steel pipe and 2# supporting steel pipe and vertical rod, binding is provided with two layers of mesh sheet muscle, in the vertical rod of 1# supporting steel pipe and 2# supporting steel pipe below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, between 3# supporting steel pipe and 4# supporting steel pipe and vertical rod, binding is provided with one deck net sheet muscle, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.The position of described vertical rod horizontal direction is positioned at the position of four crab-bolts along four crossing points of the tangent line of place circle.Described steel pipe column comprises steel pipe column cylinder; The vertical fixing bottom junction steel plate of described steel pipe column cylinder lower end welding, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, and on flange, corresponding crab-bolt position is provided with installing hole and is fixedly connected on the ring flat-plate of location with crab-bolt.On described flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling, in the crab-bolt of bottom junction steel plate below, be provided with single nut, in the crab-bolt of bottom junction steel plate top, be provided with double nut.
Said structure sees figures.1.and.2 and Fig. 3 understands, and number in the figure 1 represents the fixing reinforcing bar of φ 16mm; Label 2 represents vertical rod, and vertical rod is steel tubular structure; Label 1# represents 1# supporting steel pipe; Label 2# represents 2# supporting steel pipe; Label 3# represents 3# supporting steel pipe; Label 4# represents 4# supporting steel pipe; Label 5 represents pre-buried location ring flat-plate; Label 6 represents the crab-bolt installing hole on the ring flat-plate of location; Label 7 represents the reinforcing bar of diameter 20mm.
In Fig. 3, label 1 represents the fixing reinforcing bar of φ 16mm; Label 2 represents vertical rod, and vertical rod is steel tubular structure, and label 5 represents pre-buried location ring flat-plate, and label 7 represents the reinforcing bar of diameter 20mm.Label 8 represents foundation ditch bed course, and label 9 represents crab-bolt, and label 10 represents three-layer network sheet muscle, and label 11 represents double nut, and label 12 represents single nut, and label 13 represents the bottom junction steel plate of steel pipe column, and label 14 represents grouting joint filling, and label 15 represents steel pipe column cylinder.
Install after steel pipe column, carry out steel pipe column axis, verticality, absolute altitude correction; Wherein verticality control is observed at orthogonal both direction with 2 transits, for convenience of observation, bight steel pipe column is installed in advance.When observation, transit is centered in mast axis, and cross vertical hair is aimed at suspension column place post outer edge point, and observer observes shaft bus from bottom to top by suspension column, commands installation personnel to adjust top pull bar, until capital bus overlaps with longitude and latitude vertical hair simultaneously.In addition, after butt joint ring seam welding is good, shaft verticality is proofreaied and correct.
Install after steel pipe column, be welded and fixed between ring flat-plate at steel pipe column and location, when steel pipe column welding, according to following requirement:
(1) job site butt welding adopts artificial weldering, and interface weld seam is penetration second-order weld, and gradation weldering is full, reduces welding deformation.In welding process, easily produce larger welding residual deformation, cause perpendicularity deviation.Therefore, take measures as follows: 1) every post is fixed welder from bottom to up, with clearly defining responsibilities; 2) symmetrical welding, i.e. the welding of segmentation reverse symmetry order; 3) strictly control the parameters such as welding machine of the same type and welding current; 4) docking is front according to upper segmented column installation deviation value, after calculating, carries out mechanical grinding at the mouth of pipe, keeps weld gap basically identical; 5) before steel pipe column welding, welding rod need cure, and can use after being incubated 2 hours.When welding, welding rod should be placed in electric heating thermal insulation cylinder, ready access upon use.
(2) postwelding polishing, correction and inspection; Will be by clean the polishings such as weld seam splashing around, crator; The verticality that checks steel column, if there is deviation, can adopt firer's correction method, and the perpendicularity deviation of steel column is proofreaied and correct to specification allowed band.
Above-mentioned large diameter steel pipe column construction method is on the basis of traditional construction technology, mode and flow process to steel pipe column location, installation are optimized, greatly shorten the time of the steel pipe column suspension column installation process of knowing clearly, saved the costs such as management fee, labour cost, machinery expense, remarkable in economical benefits.

Claims (5)

1. a suspension column absolute altitude adjustment fixing structure, comprises four installation crab-bolts that are embedded in concreting; With the steel pipe column being arranged in installation crab-bolt, pipe column lower end is formed with a circle and protrudes from the flange of Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole and is arranged in crab-bolt, it is characterized in that, in the crab-bolt of flange below, be provided with single nut, in the crab-bolt of flange top, be provided with double nut.
2. a Large-diameter Steel tubing string suspension column structure, comprise that steel pipe column and suspension column install pre-buried location structure, described suspension column is installed the base concrete bed course that pre-buried location structure comprises foundation ditch bottom, be positioned at the concreting on foundation ditch base concrete bed course, four that are embedded in concreting crab-bolt be installed; Described steel pipe column comprises steel pipe column cylinder; It is characterized in that, the pre-buried location ring flat-plate that is provided with an annular in concreting surface, is provided with four crab-bolt installing holes along orthogonal two diametric(al)s on the ring flat-plate of location, described four anchor bolt preburied being arranged in four crab-bolt installing holes is installed; The vertical fixing bottom junction steel plate of described steel pipe column cylinder lower end welding, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole and is fixedly connected on the ring flat-plate of location with crab-bolt, on described flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling, in the crab-bolt of junction steel plate below, bottom, be provided with single nut, in the crab-bolt of bottom junction steel plate top, be provided with double nut.
3. Large-diameter Steel tubing string suspension column structure as claimed in claim 2, is characterized in that, described location ring flat-plate is width 100mm, the doughnut-shaped steel plate of thickness 10mm.
4. Large-diameter Steel tubing string suspension column structure as claimed in claim 2, it is characterized in that, in the concreting of ring flat-plate below, described location, be embedded with the vertical rod support for supporting and location ring flat-plate while installation, described vertical rod support comprises that four along the equally distributed fixing reinforcing bar of place, steel pipe column axle center circle, fixing reinforcing bar vertically arranges, described fixing reinforcing bar lower end is fixed to base concrete bed course to downward-extension, fixing reinforcing bar upper end is welded with the vertical rod of tube material straight up, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, between 1# supporting steel pipe and 2# supporting steel pipe and vertical rod, binding is provided with two layers of mesh sheet muscle, in the vertical rod of 1# supporting steel pipe and 2# supporting steel pipe below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, between 3# supporting steel pipe and 4# supporting steel pipe and vertical rod, binding is provided with one deck net sheet muscle, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.
5. Large-diameter Steel tubing string suspension column structure as claimed in claim 4, is characterized in that, the position of described vertical rod horizontal direction is positioned at the position of four crab-bolts along four crossing points of the tangent line of place circle.
CN201420450437.0U 2014-08-12 2014-08-12 A kind of Large-diameter Steel tubing string suspension column structure and suspension column absolute altitude adjustment fixing structure thereof Expired - Fee Related CN204001429U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387331A (en) * 2015-11-30 2016-03-09 苏州安特实业有限公司 Stay tube
CN106583629A (en) * 2016-11-15 2017-04-26 首都航天机械公司 Flexible locating device for automatic drilling and riveting assembly of phi 2.25 meter cylindrical shell
CN111042185A (en) * 2020-01-13 2020-04-21 中冶建工集团有限公司 Construction method of basement raft foundation with tower crane foundation
CN111379427A (en) * 2020-03-10 2020-07-07 中国铁路设计集团有限公司 Ten-thousand-ton-level concrete filled steel tubular column base positioning and mounting method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387331A (en) * 2015-11-30 2016-03-09 苏州安特实业有限公司 Stay tube
CN106583629A (en) * 2016-11-15 2017-04-26 首都航天机械公司 Flexible locating device for automatic drilling and riveting assembly of phi 2.25 meter cylindrical shell
CN111042185A (en) * 2020-01-13 2020-04-21 中冶建工集团有限公司 Construction method of basement raft foundation with tower crane foundation
CN111042185B (en) * 2020-01-13 2021-05-11 中冶建工集团有限公司 Construction method of basement raft foundation with tower crane foundation
CN111379427A (en) * 2020-03-10 2020-07-07 中国铁路设计集团有限公司 Ten-thousand-ton-level concrete filled steel tubular column base positioning and mounting method

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