CN103266778A - Detachable triangular scaffold and steel truss assembly construction method - Google Patents

Detachable triangular scaffold and steel truss assembly construction method Download PDF

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Publication number
CN103266778A
CN103266778A CN2013101673165A CN201310167316A CN103266778A CN 103266778 A CN103266778 A CN 103266778A CN 2013101673165 A CN2013101673165 A CN 2013101673165A CN 201310167316 A CN201310167316 A CN 201310167316A CN 103266778 A CN103266778 A CN 103266778A
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China
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moulding bed
responsible
charge
persons
steel
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CN2013101673165A
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CN103266778B (en
Inventor
赵钦
李浓云
杨霞
孙炼彬
王京
马润川
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BEIJING URBAN CONSTRUCTION JINGGONG STEEL STRUCTURE ENGINEERING Co Ltd
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BEIJING URBAN CONSTRUCTION JINGGONG STEEL STRUCTURE ENGINEERING Co Ltd
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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

Removable triangle moulding bed and steel truss assembling and construction method
Technical field
The present invention relates to a kind of removable triangle moulding bed and steel truss assembling and construction method, belong to the structural steelwork technical field.
Background technology
The steel truss assembly unit belongs to work high above the ground, work progress high and medium location assembly unit difficulty is big, mainly be by setting up integral-scaffold at present, perhaps fixing support rack carries out consolidation service, and often there is not suitable way for the steel work that assembly unit is carried out at the needs scene of some super wide superelevation, especially the moulding bed that can reuse still less, this has increased the steel using amount in the engineering undoubtedly, increased the difficulty of construction of engineering, increased the assembly unit duration, delay the construction overall progress, increased the construction cost of engineering.
Summary of the invention
The invention provides a kind of removable triangle moulding bed and steel truss assembling and construction method, can solve existing bracing frame or scaffold instability, the defective that working security is poor, the engineering steel amount is big, the 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 removable triangle moulding bed, the top braces steel truss, described triangle moulding bed comprises tripod and girder steel, a plurality of tripods top is girder steel, tripod adopts bolt to be connected with girder steel, described tripod comprise main vertical rod, with main vertical rod bottom bar connected vertically and two braces that are arranged on main vertical rod both sides, brace one end adopts bolt to be connected with main vertical rod top, the other end is connected in bottom bar by bolt, and the bottom of main vertical rod adopts bolt to be connected with bottom bar.
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, the assembly unit above the triangle moulding bed of described steel truss, described job practices is as follows:
One, makes moulding bed, with transit, level gauge its axis and absolute altitude are reviewed, in the assembly unit place, pre-assembly unit main member is put projection line, and install removable triangle moulding bed;
Two, be responsible for all vertical with girder steel, parallel to each other and equidistant arrangements of 4 No. 1 persons in charge 4 horizontal directions are installed earlier on moulding bed No. 1.
Three, No. 1 is responsible for No. 2 is responsible for welding, be responsible for to be connected between every adjacent two parallel are responsible for for No. 1, as base surface for No. 2;
Four, No. 3 persons in charge are welded into ladder shape with No. 4 persons in charge by junction plate, and it is temporary fixed to be level, again with a plurality of No. 5 inclined tubes and No. 6 inclined tubes fixedly be welded in be responsible for for No. 3 be responsible for No. 1 between, two inclined tubes are formed triangles with being responsible for for No. 3, are used for supporting No. 3 persons in charge and No. 4 persons in charge; No. 5 inclined tubes, No. 6 inclined tubes and No. 3 persons in charge form plane A;
Six, No. 7 persons in charge are welded on No. 8 person in charge's one ends and are responsible for for No. 3, on the other end is welded on and is responsible for for No. 1, form triangle with No. 3 persons in charge, and composition plane B, the angle between plane B and the plane A are greater than 0 degree, less than 90 degree;
Seven, at several vertical support bars of girder steel welded top, be between adjacent two junction plates, vertically the quantity of support bar is decided according to the quantity of described junction plate, and oblique support bar is two, and an end is connected on the junction plate, and the other end is connected on the vertical support bar;
Eight,, can make the steel truss of desired height and width according to requirement of engineering;
Nine, the dismounting of triangle moulding bed: utilize removable triangle moulding bed, the girder steel disassembling bolts, carry out the steel truss tread flaking.
This removable triangle moulding bed and the steel truss assembling and construction method that the present invention relates to, it has stability, triangle moulding bed form has guaranteed the stability of self, with the top girder steel as simply supported beam, with vertical rod as vertical stressed transmission rod member, keep the stable of vertical rod by the triangle brace between vertical rod, forms simple and easy and stable whole stress system, make working load on the support and steel member dead weight Load Transfer to the structure surface layer.
It has dismoutability, is connected by junction plate and bolt between top girder steel and vertical rod and vertical rod and the brace, and moulding bed can partly be dismantled when the member tread flaking, does not intersect with steel truss, guarantees that steel truss normally lifts by crane.
The present invention has improved traditional support moulding bed, has invented removable triangle moulding bed, and input artificial, material is saved in moulding bed design economical rationality, has solved location, super wide superelevation steel member high-altitude, assembling, moulding bed repeated use problem.The present invention gives prominence on the particularity of assembly unit moulding bed structure, bracing frame has satisfied the needs of daily structure assembly unit, utilize simultaneously gusset plate and bolt dismountable also for repetition assembly unit, the tread flaking of the super wide steel truss of superelevation provide may, and structure is safer, stable, reliably.It has saved the material of making moulding bed, has reduced taking of construction plant, has reduced the working measure expense, and low-carbon environment-friendly has been optimized working procedure, has scientifically shortened a large amount of durations.Meet the strategy of sustainable development of China from the angle that economizes on resources, be conducive to advance development and the innovation of hoisting technology under China's steel structure assembling and the particular surroundings.
Description of drawings
Fig. 1 is the removable triangle moulding bed of the present invention STRUCTURE DECOMPOSITION figure;
Fig. 2 is the removable triangle moulding bed of the present invention structural representation;
Fig. 3-Fig. 8 is steel truss splicing structure schematic diagram of the present invention;
Mark schematically as follows among the figure: 1-master's vertical rod, 2-bottom bar, 3-bolt, 4-girder steel, 5-junction plate, 6-brace, the 7-1 number person in charge, the 8-3 number person in charge, the 9-4 number person in charge, 10-5 inclined tube, 11-6 inclined tube, 12-junction plate, the 13-2 number person in charge, the 14-7 number person in charge, the 15-8 number person in charge, the vertical support bar of 16-, the oblique support bar I of 17-, the oblique support bar II of 18-.
The specific embodiment
Shown in Fig. 1-2, be triangle moulding bed STRUCTURE DECOMPOSITION figure; The triangle moulding bed comprises tripod and girder steel 4, a plurality of tripods top is girder steel 4, tripod adopts bolt to be connected with girder steel 4, tripod comprise main vertical rod 1, with main vertical rod 1 bottom bar 2 connected vertically and two braces 6 that are arranged on main vertical rod both sides, brace one end adopts bolt 3 to be connected with main vertical rod 1 top by junction plate 5, the other end is connected in bottom bar 2 by bolt 3, and the bottom of main vertical rod 1 adopts bolt 3 to be connected with bottom bar 2.That uses among the figure is i iron, and the inconvenient junction between two i iron is equipped with junction plate, conveniently is connected and fixed.
Embodiment 1
As shown in Figure 2, at first make the triangle moulding bed, the 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 the assembly unit place, pre-assembly unit main member is put projection line, and install removable triangle moulding bed.
As shown in Figure 3, on moulding bed, install earlier No. 1 of 4 horizontal directions be responsible for 7,4 be responsible for for No. 17 all with girder steel 4 vertical, parallel to each other and equidistant arrangements.
As shown in Figure 4, No. 1 be responsible for be responsible for 13 welding for 7 and No. 2, be responsible for 13 for No. 2 and be connected in 7 of every adjacent two parallel No. 1 persons in charge, as base surface.
As shown in Figure 4, be welded into ladder shape with being responsible for 8 and No. 4 persons in charge 9 for No. 3 by junction plate, and it is temporary fixed to be level, fixedly being welded in to be responsible for for No. 3 with a plurality of No. 5 inclined tubes 10 and No. 6 inclined tubes 11 again is responsible for for 8 and No. 1 between 7, two inclined tubes and No. 3 persons in charge 8 form triangles, are used for supporting 8 and No. 4 persons in charge 9 of No. 3 persons in charge; No. 5 inclined tubes 10, No. 6 inclined tubes 11 and No. 3 persons in charge 8 form plane A.
As shown in Figure 5,14 and No. 8 persons in charge of No. 7 persons in charge, 15 1 ends are welded on to be responsible for for No. 3 on 8, and the other end is welded on to be responsible for for No. 1 on 7, and with No. 3 person in charge's 8 composition triangles, composition plane B, the angle between plane B and the plane A are greater than 0 degree, less than 90 degree.
As shown in Figure 6, at several vertical support bars 16 of girder steel welded top, be between adjacent two junction plates, vertically the quantity of support bar 16 is decided according to the quantity of described junction plate, oblique support bar is two, one end of oblique support bar 17 and oblique support bar 18 is connected on the junction plate, and the other end is connected on the vertical support bar;
As shown in Figure 7, and 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 removable triangle moulding bed, the girder steel disassembling bolts, carry out the steel truss tread flaking.
This removable triangle moulding bed and the steel truss assembling and construction method that the present invention relates to, it has applicability, therefore moulding bed can partly be dismantled, and does not intersect with steel truss, guarantees that steel truss normally lifts by crane, simultaneously the moulding bed bearing can guarantee that again follow-up steel truss locatees assembly unit fast, both guaranteed the accuracy of steel component assembly in the on-site consolidation process, also saved the assembly unit place, and shortened moulding bed and made and the steel component assembly duration, improve lifting efficient, thereby accelerated construction speed; Moulding bed is reused, saved the moulding bed material, save cost, therefore have very strong applicability.
The specific embodiment of the present invention does not constitute the restriction to the application's scope; every within the spirit and principle of the present invention design, any modification that one of skill in the art can make, be equal to and replace and improvement etc. all should be included within protection scope of the present invention.

Claims (3)

1. removable triangle moulding bed, the top braces steel truss, it is characterized in that, described triangle moulding bed comprises tripod and girder steel, a plurality of tripods top connects girder steel, tripod adopts bolt to be connected with girder steel, described tripod comprise main vertical rod, with main vertical rod bottom bar connected vertically and two braces that are arranged on main vertical rod both sides, brace one end adopts bolt to be connected with main vertical rod top, the other end is connected in bottom bar by bolt, and the bottom of main vertical rod adopts bolt to be connected with bottom bar.
2. removable triangle moulding bed according to claim 1 is characterized in that, described triangle moulding bed is hot rolled H-shaped or i iron.
3. steel truss assembling and construction method, the assembly unit above the triangle moulding bed of described steel truss is characterized in that, described job practices is as follows:
One, makes moulding bed, with transit, level gauge its axis and absolute altitude are reviewed, in the assembly unit place, pre-assembly unit main member is put projection line, and install removable triangle moulding bed;
Two, be responsible for all vertical with girder steel, parallel to each other and equidistant arrangements of 4 No. 1 persons in charge 4 horizontal directions are installed earlier on moulding bed No. 1;
Three, No. 1 is responsible for No. 2 is responsible for welding, be responsible for to be connected between every adjacent two parallel are responsible for for No. 1, as base surface for No. 2;
Four, No. 3 persons in charge are welded into ladder shape with No. 4 persons in charge by junction plate, and it is temporary fixed to be level, again with a plurality of No. 5 inclined tubes and No. 6 inclined tubes fixedly be welded in be responsible for for No. 3 be responsible for No. 1 between, two inclined tubes are formed triangles with being responsible for for No. 3, are used for supporting No. 3 persons in charge and No. 4 persons in charge; No. 5 inclined tubes, No. 6 inclined tubes and No. 3 persons in charge form plane A;
Six, No. 7 persons in charge are welded on No. 8 person in charge's one ends and are responsible for for No. 3, on the other end is welded on and is responsible for for No. 1, form triangle with No. 3 persons in charge, and composition plane B, the angle between plane B and the plane A are greater than 0 degree, less than 90 degree;
Seven, at several vertical support bars of girder steel welded top, be between adjacent two junction plates, vertically the quantity of support bar is decided according to the quantity of described junction plate, and oblique support bar is two, and an end is connected on the junction plate, and the other end is connected on the vertical support bar;
Eight,, can make the steel truss of desired height and width according to requirement of engineering;
Nine, the dismounting of triangle moulding bed: utilize removable triangle moulding bed, the girder steel disassembling bolts, carry out the steel truss tread flaking.
CN201310167316.5A 2013-05-08 2013-05-08 Detachable triangular scaffold and steel truss assembly construction method Expired - Fee Related CN103266778B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103806530A (en) * 2014-03-14 2014-05-21 中国建筑第二工程局有限公司 Special-shaped cantilevered steel structure and construction method thereof
CN108560719A (en) * 2018-03-23 2018-09-21 中建钢构有限公司 The support installation method of super large span double-layer Bidirectional hanging rope structure
CN110409840A (en) * 2019-07-29 2019-11-05 中国人民解放军63926部队 Roof truss hanging 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
CN113202313A (en) * 2021-03-30 2021-08-03 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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CN102864941A (en) * 2012-09-29 2013-01-09 浙江精工钢结构有限公司 Openable jig frame for assembling triangular truss and construction method
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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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN103806530A (en) * 2014-03-14 2014-05-21 中国建筑第二工程局有限公司 Special-shaped cantilevered steel structure and construction method thereof
CN103806530B (en) * 2014-03-14 2015-11-18 中国建筑第二工程局有限公司 A kind of special-shaped overhanging steel structure and construction method thereof
CN108560719A (en) * 2018-03-23 2018-09-21 中建钢构有限公司 The support installation method of super large span double-layer Bidirectional hanging rope structure
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
CN110409840A (en) * 2019-07-29 2019-11-05 中国人民解放军63926部队 Roof truss hanging 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
CN113202313A (en) * 2021-03-30 2021-08-03 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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