CN107386658A - A kind of construction method of large steel net frame integral hoisting platform - Google Patents
A kind of construction method of large steel net frame integral hoisting platform Download PDFInfo
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- CN107386658A CN107386658A CN201710167782.1A CN201710167782A CN107386658A CN 107386658 A CN107386658 A CN 107386658A CN 201710167782 A CN201710167782 A CN 201710167782A CN 107386658 A CN107386658 A CN 107386658A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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Abstract
The invention discloses a kind of construction method of large steel net frame integral hoisting platform, large steel net frame integral hoisting platform includes concrete foundation and top steel frame, capital built-in fitting installed in concrete bottom column top, and it is welded on the support frame on the built-in fitting of capital, using the construction method of this large steel net frame integral hoisting platform, working procedure can be reduced, accelerating construction progress, reduce material, artificial use, reduce the danger of operating personnel's work high above the ground, avoid having an impact finishing process.
Description
Technical field
The invention belongs to build steel mesh frame lifting field, and in particular to a kind of construction of large steel net frame integral hoisting platform
Method.
Background technology
Conventional steel mesh frame lifting platform embedded part is mainly disposed to post side, adds rack welding engineering amount and manually makes
With adding the danger of work high above the ground, and influence is caused on follow-up post finishing process.
In order to accelerate progress, quality and the safety of rack lifting, my supervision office tissue owner, designing unit and unit in charge of construction
Hold symposium, it is proposed that lifter platform measure embedded part is changed to share with capital bearing embedded part by unit in charge of construction, can be reduced
Working procedure, accelerating construction progress, ensure construction quality, safety is in controllable state, and reduces the shadow to fitting up process later
Ring.This suggestion has obtained the consistent accreditation of participant.
The content of the invention
The technical assignment of the present invention is to provide a kind of large steel net frame for above-mentioned the deficiencies in the prior art and integrally carry
The construction method of peaceful.
A kind of construction method of large steel net frame integral hoisting platform, large steel net frame integral hoisting platform include concrete
Foundation and top steel frame, the capital built-in fitting installed in concrete bottom column top, and the branch being welded on the built-in fitting of capital
Support frame frame, is characterised by：The pre-buried angle steel support of concrete foundation, capital built-in fitting, capital built-in fitting are welded in angle steel support
It is firm by spot welding with the lengthways main steel bar of concrete foundation, capital built-in fitting include embedded board and auxiliary steel bracket, embedded board with
Aid in steel bracket welding, auxiliary steel bracket is buried into concrete foundation top, the lengthways main steel bar of embedded board and concrete foundation it
Between be provided with steel plate washer, and fixed by spot welding, embedded board is located at concrete foundation center position, and the upper surface of embedded board with
Concrete bottom capital face is equal, and antidetonation hinged-support, Vibration-resistant hinge holder top erecting and welding tumbler bearing, tumbler bearing are installed on embedded board
Steel frame at the top of upper installation.
In addition, hydraulic rockshaft is installed on lifting platform, for lifting large steel net frame.
It is characterized in that carry out according to the following steps：Exterior sheathing wouldn't be removed after the completion of step 1), post concrete lower sections pour,
The installation that 2m is highly used for capital built-in fitting, the support of pre-plugged angle steel, the peace of preparation capital built-in fitting are reserved at the top of pillar
Dress；Step 2), installation capital built-in fitting, using live civil engineering tower crane or truck crane, auxiliary steel bracket is lifted to installation site,
Embedded board is soldered to auxiliary steel bracket welding afterwards, forms capital built-in fitting, the auxiliary steel bracket of capital built-in fitting uses dowel
Welded with crab-bolt, and be both needed to plug welding of perforating, the top surface of embedded board is polished, the dowel and crab-bolt of built-in fitting are in support column
Construction carries out Embedment Construction after meeting pre-buried condition；Step 3), by angle steel support adjustment absolute altitude capital built-in fitting is determined
Position, capital built-in fitting bottom are welded in angle steel support, and steel cushion block is set in capital built-in fitting bottom, after measurement and positioning, post
The bottom of top built-in fitting is fixed with lengthways main steel bar spot welding；Step 4), colligation reserve position stirrup and the reserved position template of laying, bury
Position template is reserved using corner brace clamping at the top of plate, and with template fixation, casting concrete；Step 5), concreting
Finish, built-in fitting position and absolute altitude after concreting are checked using GPS positioning system, after errorless, treat that concrete reaches and tears open
Form removal during mould requirement, and erection support ring-shaped baffle, carry out bearing installation and prepare；Step 6), grouting are poured, and grouting material is adopted
With high-strength, early strong, shrinkage-free gravitational grouting material, irrigated after the installation of bearing ring baffle；Step 7), concrete strength reach age
Antidetonation hinged-support is installed on embedded board afterwards, and using line traffic control installation site is positioned, after antidetonation hinged-support installs, upper
Portion's erecting and welding ball hinged support；Step 8), after ball hinged support installs, then carry out lifted platform top steel frame peace
Dress is fixed, and eventually forms steel net frame integral hoisting platform.
In addition, in step 4), the corner brace that is set on capital is pre-buried is steel angle hitch, and steel angle hitch is stupefied by neck and template
Checkpost connects, and forms the capital built-in fitting plane of armored concrete parcel, embedded board and the phase at the top of concrete column of capital built-in fitting
It is flat.The middle part of ball hinged support described in the step 7) is rubber hinged-support.
The lifting platform of the technical program, for the support platform as lifting lifting, each lifts platform in operation
Column top be provided with suspension centre, and configure hydraulic rockshaft.
Using above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The present invention is improved for existing rack lifting platform.Original lifting platform measure embedded part is arranged on post side
To, my supervision office finds that lateral embedded part shares with capital embedded part when checking at the scene, can reduce working procedure, quickening construct into
Degree, material, artificial use are reduced, reduce the danger of operating personnel's work high above the ground, avoid having an impact finishing process.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the lifting platform schematic diagram of prior art
Fig. 2 is the schematic diagram for the step 1) for lifting platform construction method
Fig. 3 is to lift the step 2) of platform construction method to the schematic diagram of step 3)
Fig. 4 is the schematic diagram for the step 4) for lifting platform construction method
Fig. 5 is the schematic diagram for the step 5) for lifting platform construction method
Fig. 6 is to lift the step 6) of platform construction method to the schematic diagram of step 7)
Drawing reference numeral
1st, lengthways main steel bar；2nd, angle steel supports；3rd, stirrup；4th, concrete bottom column template；5th, capital built-in fitting；6th, steel plate washer；
7th, cage bar built-in fitting；8th, steel angle hitch；9th, rubber hinged-support；10th, ball hinged support
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings.
A kind of construction method of large steel net frame integral hoisting platform, large steel net frame integral hoisting platform include concrete
Foundation and top steel frame, the capital built-in fitting 5 installed in concrete bottom column top, and be welded on capital built-in fitting 5
Support frame, it is characterised by：The pre-buried angle steel support 2 of concrete foundation, welds capital built-in fitting 5, capital is pre- in angle steel support 2
The lengthways main steel bar 1 of embedded part 5 and concrete foundation is firm by spot welding, and capital built-in fitting 5 includes embedded board and auxiliary steel bracket, in advance
Buried plate is buried into concrete foundation top, the longitudinal direction of embedded board and concrete foundation with auxiliary steel bracket welding, auxiliary steel bracket
Steel plate washer 6 is provided between cage bar 1, and is fixed by spot welding, embedded board is located at concrete foundation center position, and embedded board
Upper surface is equal with concrete bottom capital face, and antidetonation hinged-support, Vibration-resistant hinge holder top erecting and welding ball branch are installed on embedded board
Seat 10, installation top steel frame on tumbler bearing.The middle part of described ball hinged support 10 is rubber hinged-support 9.
In addition, hydraulic rockshaft is installed on lifting platform, for lifting large steel net frame.
Carry out according to the following steps：Exterior sheathing wouldn't be removed after the completion of step 1), post concrete lower sections pour, at the top of pillar
Reserved 2m is highly used for the installation of capital built-in fitting, the support of pre-plugged angle steel, prepares the installation of capital built-in fitting；Step 2),
Capital built-in fitting is installed, using live civil engineering tower crane or truck crane, auxiliary steel bracket is lifted to installation site, after by embedded board
Auxiliary steel bracket welding is soldered to, forms capital built-in fitting, the auxiliary steel bracket of capital built-in fitting is carried out using dowel and crab-bolt
Welding, and plug welding of perforating is both needed to, the top surface of embedded board is polished, the dowel and crab-bolt of built-in fitting meet in advance in support column construction
Embedment Construction is carried out after underground layering part；Step 3), by angle steel support adjustment absolute altitude capital built-in fitting is positioned, capital is pre-buried
Part bottom is welded in angle steel support, and steel cushion block is set in capital built-in fitting bottom, after measurement and positioning, the bottom of capital built-in fitting
Portion is fixed with lengthways main steel bar spot welding；Step 4), colligation reserve position stirrup and the reserved position template of laying, and angle is used at the top of buried plate
Code clamping reserve position template, and with template fixation, casting concrete；Step 5), concreting finish, using GPS
Alignment system checks built-in fitting position and absolute altitude after concreting, after errorless, is removed when concrete reaches form removal requirement
Template, and erection support ring-shaped baffle, carry out bearing installation and prepare；Step 6), grouting pour, grouting material using it is high-strength, early strong,
Shrinkage-free gravitational grouting material, irrigated after the installation of bearing ring baffle；Step 7), concrete strength reach after age on embedded board
Antidetonation hinged-support is installed, and using line traffic control installation site is positioned, after antidetonation hinged-support installs, in top erecting and welding ball
Hinged-support；Step 8), after ball hinged support installs, then lifted the installation of top steel frame of platform and fix, finally
Form steel net frame integral hoisting platform.
In addition, in step 4), the corner brace that is set on capital is pre-buried is steel angle hitch, and steel angle hitch is stupefied by neck and template
Checkpost connects, and forms the capital built-in fitting plane of armored concrete parcel, embedded board and the phase at the top of concrete column of capital built-in fitting
It is flat.The middle part of ball hinged support described in the step 7) is rubber hinged-support.
The lifting platform of the technical program, for the support platform as lifting lifting, each lifts platform in operation
Column top be provided with suspension centre, and configure hydraulic rockshaft.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (3)
1. a kind of construction method of large steel net frame integral hoisting platform, including concrete foundation and top steel frame, are arranged on
The capital built-in fitting of concrete bottom column top, and the support frame being welded on the built-in fitting of capital, are characterised by：Concrete bottom
The pre-buried angle steel support of post, welds capital built-in fitting, the lengthways main steel bar of capital built-in fitting and concrete foundation leads in angle steel support
It is firm to cross spot welding, capital built-in fitting includes embedded board and auxiliary steel bracket, embedded board and auxiliary steel bracket welding, aids in steel bracket
Bury into concrete foundation top, be provided with steel plate washer between embedded board and the lengthways main steel bar of concrete foundation, and pass through spot welding
Fixed, embedded board is located at concrete foundation center position, and the upper surface of embedded board is equal with concrete bottom capital face, embedded board
Upper installation antidetonation hinged-support, Vibration-resistant hinge holder top erecting and welding tumbler bearing, installation top steel frame on tumbler bearing；
It is characterized in that carry out according to the following steps：Exterior sheathing wouldn't be removed after the completion of step 1), post concrete lower sections pour, in post
The sub- reserved 2m in top is highly used for the installation of capital built-in fitting, the support of pre-plugged angle steel, prepares the installation of capital built-in fitting；Step
It is rapid 2), installation capital built-in fitting, using live civil engineering tower crane or truck crane, auxiliary steel bracket is lifted to installation site, after will
Embedded board is soldered to auxiliary steel bracket welding, forms capital built-in fitting, the auxiliary steel bracket of capital built-in fitting uses dowel and anchor
Bolt is welded, and is both needed to plug welding of perforating, and the top surface of embedded board is polished, and the dowel and crab-bolt of built-in fitting are constructed in support column
Embedment Construction is carried out after meeting pre-buried condition；Step 3), by angle steel support adjustment absolute altitude capital built-in fitting is positioned, post
Top built-in fitting bottom is welded in angle steel support, and steel cushion block is set in capital built-in fitting bottom, and after measurement and positioning, capital is pre-buried
The bottom of part is fixed with lengthways main steel bar spot welding；Step 4), colligation reserve position stirrup and the reserved position template of laying, buried plate top
Using corner brace clamping reserve position template, and with template fixation, casting concrete；Step 5), concreting finish, and adopt
Built-in fitting position and absolute altitude after concreting are checked with GPS positioning system, after errorless, when concrete reaches form removal requirement
Form removal, and erection support ring-shaped baffle, carry out bearing installation and prepare；Step 6), grouting pour, grouting material using it is high-strength,
Early strong, shrinkage-free gravitational grouting material, irrigated after the installation of bearing ring baffle；Step 7), concrete strength reach after age pre-
Antidetonation hinged-support is installed on buried plate, and using line traffic control installation site is positioned, after antidetonation hinged-support installs, installed on top
Weld ball hinged support；Step 8), after ball hinged support installs, then lifted the installation of top steel frame of platform and consolidate
It is fixed, eventually form steel net frame integral hoisting platform.
2. the construction method of a kind of large steel net frame integral hoisting platform according to claim 2, it is characterised in that described
The antidetonation hinged-support of ball hinged support bottom in step 7) is rubber hinged-support.
A kind of 3. construction method of large steel net frame integral hoisting platform according to claim 3, it is characterised in that step
4) in, the corner brace set on capital is pre-buried is steel angle hitch, and steel angle hitch is connect by the stupefied checkpost of neck and template, forms reinforcing bar and mixes
The capital built-in fitting plane of solidifying soil parcel, the embedded board of capital built-in fitting are equal with the top of concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167782.1A CN107386658B (en) | 2017-03-20 | 2017-03-20 | A kind of construction method of large steel net frame integral hoisting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167782.1A CN107386658B (en) | 2017-03-20 | 2017-03-20 | A kind of construction method of large steel net frame integral hoisting platform |
Publications (2)
| Publication Number | Publication Date |
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| CN107386658A true CN107386658A (en) | 2017-11-24 |
| CN107386658B CN107386658B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710167782.1A Active CN107386658B (en) | 2017-03-20 | 2017-03-20 | A kind of construction method of large steel net frame integral hoisting platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086695A (en) * | 2017-12-15 | 2018-05-29 | 浙江精工钢结构集团有限公司 | A kind of attached shell type promotes frock and construction method |
| CN110792265A (en) * | 2019-10-31 | 2020-02-14 | 中建六局第三建筑工程有限公司 | Integral synchronous jacking equipment for large-span combined type overweight eccentric slope angle steel structure |
| CN111945774A (en) * | 2020-08-21 | 2020-11-17 | 方志兰 | Installation and construction method for embedded part of large steel structure fixed foundation |
| CN112554345A (en) * | 2020-11-27 | 2021-03-26 | 中国二冶集团有限公司 | Ground splicing and integral lifting construction method for large-span welding ball net rack |
| CN113123608A (en) * | 2021-04-12 | 2021-07-16 | 中建科工集团有限公司 | Unloading method and unloading device for grid structure spherical hinge support |
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| CN1796703A (en) * | 2004-12-20 | 2006-07-05 | 久纳利彦 | Working surface construction system of slope, working surface construction apparatus and working panel |
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| CH600099A5 (en) * | 1975-09-19 | 1978-06-15 | Self Lock Echafaudages | |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086695A (en) * | 2017-12-15 | 2018-05-29 | 浙江精工钢结构集团有限公司 | A kind of attached shell type promotes frock and construction method |
| CN108086695B (en) * | 2017-12-15 | 2020-08-21 | 浙江精工钢结构集团有限公司 | Auxiliary sleeve type lifting tool and construction method |
| CN110792265A (en) * | 2019-10-31 | 2020-02-14 | 中建六局第三建筑工程有限公司 | Integral synchronous jacking equipment for large-span combined type overweight eccentric slope angle steel structure |
| CN110792265B (en) * | 2019-10-31 | 2021-08-06 | 中建六局安装工程有限公司 | Integral synchronous jacking equipment for large-span combined type overweight eccentric slope angle steel structure |
| CN111945774A (en) * | 2020-08-21 | 2020-11-17 | 方志兰 | Installation and construction method for embedded part of large steel structure fixed foundation |
| CN112554345A (en) * | 2020-11-27 | 2021-03-26 | 中国二冶集团有限公司 | Ground splicing and integral lifting construction method for large-span welding ball net rack |
| CN113123608A (en) * | 2021-04-12 | 2021-07-16 | 中建科工集团有限公司 | Unloading method and unloading device for grid structure spherical hinge support |
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| Publication number | Publication date |
|---|---|
| CN107386658B (en) | 2018-07-20 |
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