CN102912972A - Multifunctional lifting steel platform switching jig and construction method - Google Patents

Multifunctional lifting steel platform switching jig and construction method Download PDF

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Publication number
CN102912972A
CN102912972A CN2012104311513A CN201210431151A CN102912972A CN 102912972 A CN102912972 A CN 102912972A CN 2012104311513 A CN2012104311513 A CN 2012104311513A CN 201210431151 A CN201210431151 A CN 201210431151A CN 102912972 A CN102912972 A CN 102912972A
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steel
platform
support jig
conversion
welded
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CN2012104311513A
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CN102912972B (en
Inventor
周文武
黄安平
魏开雄
毛江峰
韩建华
田艰坚
杨梦泽
袁昶
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China Construction Third Engineering Bureau Group Jiangsu Co ltd
China Construction Third Engineering Bureau Second Construction And Installation Co ltd
Second Construction Engineering Co Ltd of China Construction Third Engineering Division
China Construction Third Bureau Green Industry Investment Co Ltd
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Second Construction Engineering Co Ltd of China Construction Third Engineering Division
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Abstract

The invention relates to a multifunctional lifting steel platform switching jig and a construction method. The multifunctional lifting steel platform switching jig comprises adjustable short steel columns I, a steel structure switching platform, a support jig and a switching steel beam, the multifunctional lifting steel platform switching jig is characterized in that multiple adjustable short steel columns I are respectively welded on embedded parts arranged on a structure column of a top plate of a basement so as to form a base, which is aligned to the top surface, the base is welded with the steel structure switching platform formed by steel structure trusses, the bottom of the support jig is welded on the steel structure switching platform, and the switching steel beam is welded on a support jig standard knot of the support jig. The multifunctional lifting steel platform switching jig provided by the invention has the characteristics of reasonable design, good bearing property, simple construction and installation, material reclamation and the like, and is particularly suitable for ground engineering with larger height difference and narrow construction field, and is capable of effectively solving the temporary jig construction difficulty of a cantilever structure and insufficient storage yard.

Description

But a kind of multi-functional lifting steel platform conversion moulding bed and job practices
Technical field
The invention belongs to the steel structures in construction works installing area, but particularly a kind of multi-functional lifting steel platform is changed moulding bed and job practices.
Background technology
Not section development along with builing industry, cantilevered structure is with its graceful moulding, the open visual field has become one of main flow form of Development of High-rise Buildings in engineering, various forms of large cantilevered structures are more and more applied in the engineering, full hall scaffold or temporary supporting moulding bed are normally set up in traditional large cantilevered structure construction, different according to form of structure and field condition, the form of moulding bed is also varied, because a variety of causes, its stress point generally drops on the basement roof, but because the basement roof structural-load-carrying capacity is limited, usually must reinforce structure at basement, construction is comparatively complicated, if the scene is limited by objective condition simultaneously, the construction plant is narrow and small, and the structural plane absolute altitude discrepancy in elevation is larger, in this situation, setting up and a kind ofly can satisfy cantilevered structure construction and easy construction, can solve again the moulding bed of the not enough situation in stockyard, is a great problem that the technician faces.
Summary of the invention
Problem and shortcoming that the present invention exists in order to overcome above-mentioned prior art, set up a kind of multi-functional lifting steel platform conversion moulding bed and job practices but provide, solve support jig ground and had the discrepancy in elevation, the difficult problem that the tradition moulding bed will begin to transform from basement, given full play to the large advantage of concrete structure column compressive strength, it is stressed that structure is participated in directly, whole stress system is more firm, reliably, while moulding bed member prefabrication, on-site hoisting, be welded to connect, easy construction, except the part that the moulding bed standard knot is taken root, all can be used as interim material stockyard after the installation of moulding bed platform, after the cantilevered structure construction is finished, the dismountable turnover of moulding bed is used, and reduces construction costs.
Technical scheme of the present invention is:
But a kind of multi-functional lifting steel platform conversion moulding bed, comprise some adjustable steel short column I, steel work conversion platform, support jig, conversion girder steel, it is characterized in that: some adjustable steel short column I are welded on respectively and arrange on the basement roof structural column on the built-in fitting and form the equal base of end face, weld the steel work conversion platform that is formed by steel structure truss at base, the support jig bottom welding is on the steel work conversion platform, and the conversion girder steel is welded on the support jig standard knot of support jig.
Described steel work conversion platform is transfer truss, and all truss of transfer truss are H shaped steel and are welded to connect.
Described support jig is comprised of support jig standard knot and horizontal connection steel truss, the support jig standard knot is installed in respectively and forms corresponding two sub-trusses on the steel work conversion platform, welds the horizontal connection truss that is welded by cylindrical steel tube between two sub-trusses.
Described conversion girder steel is square crossing and at conplane two H shaped steel.
Steel platform conversion moulding bed of the present invention also comprises 8 steel short column II and 16 block plate connectors, a block plate connector is welded respectively at the two ends of every steel short column II, divides two groups to be welded on respectively between conversion girder steel and the support jig standard knot with 8 steel short column II of steel plate connector at two ends.
But a kind of job practices of multi-functional lifting steel platform conversion moulding bed is characterized in that may further comprise the steps and carries out:
(1) some built-in fittings are embedded in respectively on the basement roof structure cylinder, the H shaped steel short column I of customization different length is separately fixed on the built-in fitting 1, will be welded on respectively by the transfer truss that single truss structure and two truss structures combine on all steel short column I;
(2) install respectively in the relevant position of transfer truss by cylindrical steel tube lattice column standard knot, shaped steel lattice column standard knot or the two and form corresponding two sub-trusses in conjunction with the support jig standard knot that forms, the fixing horizontal connection truss that is welded by cylindrical steel tube between two sub-trusses;
(3) after the support jig installation, the conversion girder steel is installed at each support jig top, and the conversion girder steel is square crossing and at conplane two H shaped steel, welds with the support jig standard knot.
Job practices of the present invention is further comprising the steps of: if with the conversion girder steel top mark height that requires gap is arranged after the installation of support jig standard knot, customizable 8 steel short column II, every steel short column II bottom and top are welded with respectively the steel plate connector, to divide two groups to be installed in respectively support jig standard knot top as the base of welding conversion beam with the steel short column II of steel plate connector, and working platform will be set on the top of conversion beam be the construction cantilevered structure.
But the present invention is to provide a kind of job practices of multi-functional lifting steel platform conversion moulding bed, by platform bottom adjustable steel short column, steel work conversion platform and support jig form, by the basement roof structural column that has the discrepancy in elevation on ground built-in fitting is set and is connected to form the equal base of end face with steel short column different in size, weld the steel work conversion platform that is formed by steel structure truss at base, take root at the steel work conversion platform in the support jig bottom, connected by the horizontal connection steel truss between each moulding bed, form stable support jig, steel work conversion platform other parts can be used as interim material stockyard simultaneously.
Description of drawings
Fig. 1 is adjustable steel short column 2 pre-buried and connection diagrams of the present invention.
Fig. 2 is transfer truss 4 scheme of installations of steel platform conversion moulding bed of the present invention.
Fig. 3 is support jig standard knot 5 scheme of installations of the present invention.
Fig. 4 is horizontal connection truss 6 scheme of installations of the present invention.
Fig. 5,6,7 is support jig top conversion girder steel 7 scheme of installations.
Fig. 8 is the schematic diagram of steel platform conversion moulding bed of the present invention.
Fig. 9 is the A-A view of Fig. 8.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing:
Such as Fig. 8, shown in Figure 9, but multi-functional lifting steel platform conversion moulding bed of the present invention, comprise some adjustable steel short column I 2, steel work conversion platform, support jig, conversion girder steel 7, some adjustable steel short column I 2 are welded on respectively and arrange on the basement roof structural column on the built-in fitting 1 and form the equal base of end face, weld the steel work conversion platform that is formed by steel structure truss at base, the support jig bottom welding is on the steel work conversion platform, and conversion girder steel 7 is welded on the support jig standard knot of support jig; Described steel work conversion platform is transfer truss, and all truss of transfer truss are H shaped steel and are welded to connect; Described support jig is comprised of support jig standard knot 5 and horizontal connection steel truss 6, support jig standard knot 5 is installed in respectively and forms corresponding two sub-trusses on the steel work conversion platform, welds the horizontal connection truss 6 that is welded by cylindrical steel tube between two sub-trusses; Described conversion girder steel 7 is for square crossing and at conplane two H shaped steel.
Steel platform conversion moulding bed of the present invention also comprises 8 steel short column II 8 and 16 block plate connectors 9, a block plate connector 9 is welded respectively at the two ends of every steel short column II 8, and two ends are welded on respectively between conversion girder steel 7 and the support jig standard knot 5 with two groups of 8 steel short column II of steel plate connector 98 minutes.
As shown in Figure 1, when the basement roof structure construction, some built-in fittings 1 are embedded in respectively on the basement roof structure cylinder, before installing, steel short column I 2 removes embedded part surface concrete, make embedded part expose metal covering, for guaranteeing the compactness between steel column and the concrete structure, adopt the special-purpose grouting material of steel work suspension column to be carried out back-grouting, the compactness requirement of guaranteeing to construct.The H shaped steel short column 2 of different length of customization is weldingly fixed on the built-in fitting 1.
Transfer truss 4 according to engineering characteristic customization steel structure platform is the lattice truss that single truss structure and two truss structures combine, and all steel trusss are H shaped steel and are welded to connect.
As shown in Figure 2, at steel short column 2 transfer truss 4 is installed by tower crane, transfer truss 4 adopts groove welding with the place of flushing, steel short column 2 top, adopts fillet weld with intersection, the post edge of a wing, and transfer truss 4 beam beam joints adopt full-strength weld, guarantee welding quality.All transfer trusses install and form conversion steel platform.
As shown in Figure 3, install in transfer truss 4 relevant positions by cylindrical steel tube lattice column standard knot, shaped steel lattice column standard knot or the two in conjunction with the support jig standard knot 5 that forms, support jig standard knot 5 and transfer truss 4 are welded to connect.A plurality of support jig standard knots 5 are arranged, will its H section steel beam or the cylindrical steel tube alignment after welding, beam beam joint adopts full-strength weld, pipe is the place of passing through employing penetration weld mutually, the end bevel.
As shown in Figure 4, support jig standard knot 5 installs, begin to install the lattice moulding bed horizontal connection truss 6 that is welded by cylindrical steel tube, the whole Pin lifting of horizontal connection truss 6 usefulness tower cranes, overhead connection, the round steel pipe mutually place of passing through adopts penetration weld, the end bevel, and fillet weld is adopted in round steel pipe and shaped steel joint.
Shown in Fig. 5,6,7, conversion girder steel 7 is installed in two support jig installations at last at each support jig top, and conversion girder steel 7 is for square crossing and at conplane two H shaped steel, with 5 welding of support jig standard knot.If with the conversion beam top mark height that requires gap is arranged after standard knot 5 installations, customizable steel short column II 8 is installed in the standard knot top as the base of conversion girder steel 7, and short column can be cylindrical steel tube or shaped steel, and bottom and top are welded with respectively the 9 convenient welding of steel plate connector.
Whole steel platform conversion moulding bed set up finish stable after, the working platform cantilevered structure of can constructing is set on conversion girder steel 7 tops, except the part that the moulding bed standard knot is taken root, all can be used as simultaneously interim material stockyard.

Claims (7)

1. but a multi-functional lifting steel platform is changed moulding bed, comprise some adjustable steel short column I, steel work conversion platform, support jig, conversion girder steel, it is characterized in that: some adjustable steel short column I are welded on respectively and arrange on the basement roof structural column on the built-in fitting and form the equal base of end face, weld the steel work conversion platform that is formed by steel structure truss at base, the support jig bottom welding is on the steel work conversion platform, and the conversion girder steel is welded on the support jig standard knot of support jig.
2. but multi-functional lifting steel platform according to claim 1 is changed moulding bed, and it is characterized in that: described steel work conversion platform is transfer truss, and all truss of transfer truss are H shaped steel and are welded to connect.
3. but multi-functional lifting steel platform according to claim 1 is changed moulding bed, it is characterized in that: described support jig is comprised of support jig standard knot and horizontal connection steel truss, the support jig standard knot is installed in respectively and forms corresponding two sub-trusses on the steel work conversion platform, welds the horizontal connection truss that is welded by cylindrical steel tube between two sub-trusses.
4. but multi-functional lifting steel platform conversion moulding bed according to claim 1 is characterized in that: described conversion girder steel is square crossing and at conplane two H shaped steel.
5. but according to claim 1,2,3 or 4 described multi-functional lifting steel platform conversion moulding beds, it is characterized in that: also comprise 8 steel short column II and 16 block plate connectors, a block plate connector is welded respectively at the two ends of every steel short column II, divides two groups to be welded on respectively between conversion girder steel and the support jig standard knot with 8 steel short column II of steel plate connector at two ends.
6. but the job practices of a multi-functional lifting steel platform conversion moulding bed is characterized in that may further comprise the steps and carries out:
(1) some built-in fittings are embedded in respectively on the basement roof structure cylinder, the H shaped steel short column I of customization different length is separately fixed on the built-in fitting 1, will be welded on respectively by the transfer truss that single truss structure and two truss structures combine on all steel short column I;
(2) install respectively in the relevant position of transfer truss by cylindrical steel tube lattice column standard knot, shaped steel lattice column standard knot or the two and form corresponding two sub-trusses in conjunction with the support jig standard knot that forms, the fixing horizontal connection truss that is welded by cylindrical steel tube between two sub-trusses;
(3) after the support jig installation, the conversion girder steel is installed at each support jig top, and the conversion girder steel is square crossing and at conplane two H shaped steel, welds with the support jig standard knot.
7. but multi-functional lifting steel platform according to claim 6 is changed the job practices of moulding bed, characterized by further comprising following steps: if with the conversion girder steel top mark height that requires gap is arranged after the installation of support jig standard knot, customizable 8 steel short column II, every steel short column II bottom and top are welded with respectively the steel plate connector, to divide two groups to be installed in respectively support jig standard knot top as the base of welding conversion beam with the steel short column II of steel plate connector, and working platform will be set on the top of conversion beam be the construction cantilevered structure.
CN201210431151.3A 2012-10-31 2012-10-31 Multifunctional lifting steel platform switching jig and construction method Active CN102912972B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195256A (en) * 2013-04-02 2013-07-10 广东省建筑工程集团有限公司 Hanging column type steel structure jig frame construction method
CN103741793A (en) * 2014-01-14 2014-04-23 武汉一冶钢结构有限责任公司 Circulatory inverted assembling method for spatial pipe rack pre-assembly
CN104563504A (en) * 2013-10-11 2015-04-29 卓越置业集团有限公司 Air building machine
CN106335851A (en) * 2016-05-16 2017-01-18 上海振华重工(集团)股份有限公司 Automatic hydraulic jacking device
CN109162447A (en) * 2018-10-11 2019-01-08 上海建工建集团有限公司 Steel platform of climbing support device and its application method
CN113431339A (en) * 2021-06-17 2021-09-24 江苏兴厦建设工程集团有限公司 Supporting-free mounting process for three-section column umbrella-shaped overhanging component
CN113482043A (en) * 2021-06-18 2021-10-08 上海二十冶建设有限公司 Prefabricated splicing jig frame for steel truss of basement top plate and installation method of prefabricated splicing jig frame
CN113565306A (en) * 2021-05-18 2021-10-29 上海宝冶集团有限公司 Reinforcing device for additionally arranging horizontal cantilever platform on steel structure engineering support jig frame and construction method thereof
CN114809568A (en) * 2022-03-30 2022-07-29 中国建筑第四工程局有限公司 Heavy-load steel platform device for top plate of warehouse and assembling method thereof

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CN202913677U (en) * 2012-10-31 2013-05-01 中建三局第二建设工程有限责任公司 Multifunctional conversion scaffold capable of lifting steel platform

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195256A (en) * 2013-04-02 2013-07-10 广东省建筑工程集团有限公司 Hanging column type steel structure jig frame construction method
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CN104563504A (en) * 2013-10-11 2015-04-29 卓越置业集团有限公司 Air building machine
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CN103741793A (en) * 2014-01-14 2014-04-23 武汉一冶钢结构有限责任公司 Circulatory inverted assembling method for spatial pipe rack pre-assembly
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CN106335851A (en) * 2016-05-16 2017-01-18 上海振华重工(集团)股份有限公司 Automatic hydraulic jacking device
CN109162447A (en) * 2018-10-11 2019-01-08 上海建工建集团有限公司 Steel platform of climbing support device and its application method
CN113565306A (en) * 2021-05-18 2021-10-29 上海宝冶集团有限公司 Reinforcing device for additionally arranging horizontal cantilever platform on steel structure engineering support jig frame and construction method thereof
CN113431339A (en) * 2021-06-17 2021-09-24 江苏兴厦建设工程集团有限公司 Supporting-free mounting process for three-section column umbrella-shaped overhanging component
CN113482043A (en) * 2021-06-18 2021-10-08 上海二十冶建设有限公司 Prefabricated splicing jig frame for steel truss of basement top plate and installation method of prefabricated splicing jig frame
CN114809568A (en) * 2022-03-30 2022-07-29 中国建筑第四工程局有限公司 Heavy-load steel platform device for top plate of warehouse and assembling method thereof

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