CN103266778B - Detachable triangular scaffold and steel truss assembly construction method - Google Patents
Detachable triangular scaffold and steel truss assembly construction method Download PDFInfo
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- CN103266778B CN103266778B CN201310167316.5A CN201310167316A CN103266778B CN 103266778 B CN103266778 B CN 103266778B CN 201310167316 A CN201310167316 A CN 201310167316A CN 103266778 B CN103266778 B CN 103266778B
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Abstract
The invention provides a detachable triangular scaffold and a steel truss assembly construction method. The scaffold is of a triangular connected structure, and comprises main vertical rods, bottom cross rods, top steel beams, connecting plates, diagonal rods, bolts and the like. The rods are connected by the bolts in a positioning manner, and positioning holes are reserved at the top of each steel beam and used for controlling the axis position of a steel truss. The detachable triangular scaffold is capable of achieving on-site repeated assembling of ultrahigh ultra-wide steel members, and can be widely applied to the field of steel structure assembly construction.
Description
Technical field
The present invention relates to a kind of Detachable triangular moulding bed and steel truss assembling and construction method, belong to structural steelwork technical field.
Background technology
Steel truss is assembled belongs to work high above the ground, it is large that work progress high and medium locates assembled difficulty, at present mainly by setting up integral-scaffold, or fixing support rack carries out consolidation service, and the needs scene of some ultra-wide superelevation is carried out to assembled steel work and often do not had suitable way, the moulding bed that especially can reuse is less, this adds the steel using amount in engineering undoubtedly, increase the difficulty of construction of engineering, add the assembled duration, delay construction overall progress, add the construction cost of engineering.
Summary of the invention
The invention provides a kind of Detachable triangular moulding bed and steel truss assembling and construction method, can solve existing bracing frame or scaffold instability, the defect that working security is poor, engineering steel amount is large, triangle moulding bed is detachable, realize recycling, energy conservation and cost.
For solving above technical problem, the invention provides following technical scheme: a kind of Detachable triangular moulding bed, top braces steel truss, described triangle moulding bed comprises tripod and girder steel, multiple tripod top is girder steel, tripod and girder steel with bolts, described tripod comprises main vertical rod, is arranged on the brace of main vertical rod both sides with main vertical rod bottom bar connected vertically and two, brace one end and main vertical rod top with bolts, the other end is bolted in bottom bar, and bottom and the bottom bar of main vertical rod are with bolts.
Further, described triangle moulding bed is of a size of high 2.7m, wide 4m, long 12m, spacing 6m.
Further, described triangle moulding bed is hot rolled H-shaped or i iron.
A kind of steel truss assembling and construction method, described steel truss is assembled above triangle moulding bed, and described construction method is as follows:
One, make moulding bed, with transit, level gauge, its axis and absolute altitude are reviewed, in assembled place, projection line is put to pre-assembled main member, and install Detachable triangular moulding bed;
Two, No. 1 supervisor of 4 horizontal directions is first installed on moulding bed, is responsible for all vertical with girder steel, parallel to each other and equidistantly arranges for 4 No. 1.
Three, No. 1 supervisor is responsible for welds with No. 2, No. 2 supervisors be connected to often adjacent two parallel No. 1 be responsible between, based on face;
Four, No. 3 supervisors are responsible for and are welded into ladder shape with No. 4 by junction plate, and it is temporary fixed in level, fixedly be welded between No. 3 supervisors and No. 1 be responsible for multiple No. 5 inclined tubes and No. 6 inclined tubes again, two inclined tubes and No. 3 are responsible for and are formed triangle, are responsible for and No. 4 supervisors for supporting No. 3; No. 5 inclined tubes, No. 6 inclined tubes and No. 3 are responsible for and are formed plane A;
Six, No. 7 supervisors be responsible fors one end and are welded on No. 3 with No. 8 and be responsible fors, and the other end is welded on No. 1 and is responsible for, and be responsible for form triangle with No. 3, form plane B, the angle between plane B and plane A is greater than 0 degree, is less than 90 degree;
Seven, at the several vertical support bar of girder steel welded top, be between adjacent two junction plates, the quantity of vertical support bar is determined according to the quantity of described junction plate, and skewed horizontal load bar is two, and one end is connected on junction plate, and the other end is connected on vertical support bar;
Eight, the like, the steel truss of desired height and width can be made according to requirement of engineering;
Nine, the dismounting of triangle moulding bed: utilize Detachable triangular moulding bed, girder steel disassembling bolts, carries out steel truss tread flaking.
This Detachable triangular moulding bed that the present invention relates to and steel truss assembling and construction method, it has stability, triangle moulding bed form ensure that self stability, using top girder steel as simply supported beam, using vertical rod as vertically stressed transmission rod member, keep the stable of vertical rod by the triangle brace between vertical rod, form simple and easy and stable overall stress system, make the working load on support and steel beam column gravity load be delivered to structure surface layer.
It has dismoutability, and top girder steel is connected by junction plate and bolt with vertical rod and between vertical rod and brace, and when component tread flaking, moulding bed can partly be dismantled, and does not intersect with steel truss, ensures that steel truss normally lifts by crane.
The present invention improves traditional support moulding bed, has invented Detachable triangular moulding bed, moulding bed design economical rationality, saves input that is artificial, material, solves location, ultra-wide superelevation steel beam column high-altitude, assembling, moulding bed reuse problem.The present invention gives prominence in the particularity of assembled jig structure, bracing frame meets the assembled needs of daily structure, utilize simultaneously gusset plate and bolt dismountable also for assembled, the tread flaking of repeating of superelevation ultra-wide steel truss provides possibility, and structure is safer, stable, reliably.Which save the material making moulding bed, decrease taking of construction plant, reduce working measure expense, low-carbon environment-friendly, optimize working procedure, scientifically shorten a large amount of duration.Meet the strategy of sustainable development of China from the angle that economizes on resources, be conducive to the de-velopment and innovation advancing China's steel structure assembling and hoisting under special situation technology.
Accompanying drawing explanation
Fig. 1 is Detachable triangular jig structure exploded view of the present invention;
Fig. 2 is Detachable triangular jig structure schematic diagram of the present invention;
Fig. 3-Fig. 8 is steel truss splicing structure schematic diagram of the present invention;
Mark schematically as follows in figure: the main vertical rod of 1-, 2-bottom bar, 3-bolt, 4-girder steel, 5-junction plate, 6-brace, No. 7-1 supervisor, No. 8-3 supervisor, No. 9-4 supervisor, 10-5 inclined tube, 11-6 inclined tube, 12-junction plate, No. 13-2 supervisor, No. 14-7 supervisor, No. 15-8 supervisor, the vertical support bar of 16-, 17-skewed horizontal load bar I, 18-skewed horizontal load bar II.
Detailed description of the invention
As shown in Figure 1-2, be triangle jig structure exploded view; Triangle moulding bed comprises tripod and girder steel 4, multiple tripod top is girder steel 4, tripod and girder steel 4 with bolts, tripod comprises main vertical rod 1, is arranged on the brace 6 of main vertical rod both sides with main vertical rod 1 bottom bar connected vertically 2 and two, brace one end adopts bolt 3 to be connected with main vertical rod 1 top by junction plate 5, the other end is connected to bottom bar 2 by bolt 3, and bottom and the bottom bar 2 of main vertical rod 1 adopt bolt 3 to be connected.What use in figure is i iron, and the inconvenient junction between two i iron is equipped with junction plate, is conveniently connected and fixed.
embodiment 1
As shown in Figure 2, first make triangle moulding bed, triangle moulding bed is of a size of high 2.7m, wide 4m, long 12m, spacing 6m; With transit, level gauge, its axis and absolute altitude are reviewed, in assembled place, projection line is put to pre-assembled main member, and install Detachable triangular moulding bed.
As shown in Figure 3, moulding bed is first installed No. 1 of 4 horizontal directions supervisor, 7,4 No. 1 supervisor 7 all vertical with girder steel 4, parallel to each other and equidistantly arrange.
As shown in Figure 4, No. 1 supervisor 7 be responsible for 13 weld with No. 2, No. 2 be responsible for 13 be connected to often adjacent two parallel No. 1 be responsible between 7, based on face.
As shown in Figure 4, No. 3 supervisors 8 and No. 4 supervisors 9 are welded into ladder shape by junction plate, and it is temporary fixed in level, fixedly be welded between No. 3 supervisors 8 and No. 1 supervisors 7 with multiple No. 5 inclined tubes 10 and No. 6 inclined tubes 11 again, two inclined tubes and No. 3 are responsible for 8 and are formed triangle, for supporting No. 3 supervisors 8 and No. 4 supervisors 9; No. 5 inclined tubes 10, No. 6 inclined tubes 11 and No. 3 are responsible for 8 and are formed plane A.
As shown in Figure 5, No. 7 supervisors 14 and No. 8 supervisor 15 one end are welded on No. 3 supervisors 8, and the other end is welded on No. 1 supervisor 7, is responsible for 8 forms triangle with No. 3, and form plane B, the angle between plane B and plane A is greater than 0 degree, is less than 90 degree.
As shown in Figure 6, at the several vertical support bar 16 of girder steel welded top, be between adjacent two junction plates, the quantity of vertical support bar 16 is determined according to the quantity of described junction plate, skewed horizontal load bar is two, one end of skewed horizontal load bar 17 and skewed horizontal load bar 18 is connected on junction plate, and the other end is connected on vertical support bar;
As shown in Figure 7, the like, the steel truss of arbitrary height and width can be made according to requirement of engineering.
As shown in Figure 8, the dismounting of triangle moulding bed: utilize Detachable triangular moulding bed, girder steel disassembling bolts, carries out steel truss tread flaking.
This Detachable triangular moulding bed that the present invention relates to and steel truss assembling and construction method, it has applicability, therefore moulding bed can partly be dismantled, and does not intersect with steel truss, ensures that steel truss normally lifts by crane, moulding bed bearing can ensure that again follow-up steel truss quick position is assembled simultaneously, both ensured the accuracy that in on-site consolidation process, steel beam column is assembled, also saved assembled place, and shortened moulding bed and make and the steel beam column assembled duration, improve lifting efficiency, thus accelerate construction speed; Moulding bed can be made again to reuse, save moulding bed material, saved cost, therefore there is very strong applicability.
Detailed description of the invention of the present invention does not form the restriction to the application's scope; within every spirit in the present invention's design and principle, any amendment that one of skill in the art can make, equivalent to replace and improvement etc. all should be included within protection scope of the present invention.
Claims (1)
1. a steel truss assembling and construction method, described steel truss is assembled above Detachable triangular moulding bed, it is characterized in that, described construction method is as follows:
One, Detachable triangular moulding bed is made, Detachable triangular moulding bed comprises tripod and girder steel, multiple tripod top connects girder steel, tripod and girder steel with bolts, with transit, level gauge, its axis and absolute altitude are reviewed, in assembled place, projection line is put to pre-assembled main member, and install Detachable triangular moulding bed;
Two, No. 1 supervisor of 4 horizontal directions is first installed on Detachable triangular moulding bed, 4 No. 1 supervisor is parallel to each other, equidistantly arrange, and all vertical with girder steel;
Three, No. 1 supervisor is responsible for welds with No. 2, No. 2 supervisors be connected to often adjacent two parallel No. 1 be responsible between, based on face;
Four, No. 3 supervisors are responsible for and are welded into ladder shape with No. 4 by junction plate, and it is temporary fixed in level, fixedly be welded between No. 3 supervisors and No. 1 be responsible for multiple No. 5 inclined tubes and No. 6 inclined tubes again, No. 5 inclined tubes, No. 6 inclined tubes and No. 3 are responsible for and are formed triangle, are responsible for and No. 4 supervisors for supporting No. 3; No. 5 inclined tubes, No. 6 inclined tubes and No. 3 are responsible for and are formed plane A;
Five, No. 7 supervisors be responsible fors one end and are welded on No. 3 with No. 8 and be responsible fors, and the other end is welded on No. 1 and is responsible for, and be responsible for form triangle with No. 3, form plane B, the angle between plane B and plane A is greater than 0 degree, is less than 90 degree;
Six, at the several vertical support bar of girder steel welded top, be between adjacent two junction plates, the quantity of vertical support bar is determined according to the quantity of described junction plate, and skewed horizontal load bar is two, and one end is connected on junction plate, and the other end is connected on vertical support bar;
Seven, the like, the steel truss of desired height and width is made according to requirement of engineering;
Eight, the dismounting of Detachable triangular moulding bed: utilize Detachable triangular moulding bed, girder steel disassembling bolts, carries out steel truss tread flaking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310167316.5A CN103266778B (en) | 2013-05-08 | 2013-05-08 | Detachable triangular scaffold and steel truss assembly construction method |
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| CN201310167316.5A CN103266778B (en) | 2013-05-08 | 2013-05-08 | Detachable triangular scaffold and steel truss assembly construction method |
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| CN103266778A CN103266778A (en) | 2013-08-28 |
| CN103266778B true CN103266778B (en) | 2015-06-10 |
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| CN103741793B (en) * | 2014-01-14 | 2015-09-16 | 武汉一冶钢结构有限责任公司 | The pre-assembled circulation upside-down method of hull-section construction of space pipe support |
| CN103806530B (en) * | 2014-03-14 | 2015-11-18 | 中国建筑第二工程局有限公司 | Special-shaped overhanging steel structure and construction method thereof |
| CN108560719B (en) * | 2018-03-23 | 2020-07-14 | 中建钢构有限公司 | Supporting and mounting method for super-large-span double-layer bidirectional suspension cable structure |
| CN110409840B (en) * | 2019-07-29 | 2021-11-26 | 中国人民解放军63926部队 | Roof truss hoisting method |
| CN111042543A (en) * | 2019-12-18 | 2020-04-21 | 北京城建集团有限责任公司 | Large-span roof truss construction method |
| CN113202313B (en) * | 2021-03-30 | 2022-08-30 | 中交第四公路工程局有限公司 | Novel horizontal assembly type jig frame structure and construction method thereof |
| CN114482561A (en) * | 2021-12-23 | 2022-05-13 | 中国华冶科工集团有限公司 | Steel structure roof installation method |
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| CN203223003U (en) * | 2013-05-08 | 2013-10-02 | 北京城建精工钢结构工程有限公司 | Detachable triangular jig frame for steel truss assembling |
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2013
- 2013-05-08 CN CN201310167316.5A patent/CN103266778B/en not_active Expired - Fee Related
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| US5577362A (en) * | 1993-05-14 | 1996-11-26 | Mitsubishi Jukogyo Kabushiki Kaisha | Module construction method in a steel structure building zone |
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| CN101806153A (en) * | 2009-02-16 | 2010-08-18 | 上海市机械施工有限公司 | Knock-down horizontal truss used for resisting lateral bending in lifting sheet large-span steel truss |
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