CN203334664U - Ultra-long cantilever truss structure high formwork supporting system - Google Patents

Ultra-long cantilever truss structure high formwork supporting system Download PDF

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Publication number
CN203334664U
CN203334664U CN201320405186XU CN201320405186U CN203334664U CN 203334664 U CN203334664 U CN 203334664U CN 201320405186X U CN201320405186X U CN 201320405186XU CN 201320405186 U CN201320405186 U CN 201320405186U CN 203334664 U CN203334664 U CN 203334664U
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China
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fixed
concrete truss
cantilever beams
cantilever
load
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CN201320405186XU
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Inventor
马立强
于庆涛
贾磊
张国洪
莫鹍
戴聪峰
罗育峰
李维明
李家喜
刘海峰
姬向阳
陈俊波
房建坤
李冰
韩超
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China Railway Airport Construction Group Beijing Co Ltd
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China Railway Airport Construction Group Beijing Co Ltd
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Abstract

An ultra-long cantilever truss structure high formwork supporting system is characterized in that an upper frame body and a lower frame body are included, the lower frame body comprises a structural steel cantilever beam, a lower-supporting structural steel bracket, an upwards-pulling steel wire rope and a lower frame concrete truss, the upper frame body comprises a load-bearing formwork base, an outer protection frame and an upper frame concrete truss, one end of the structural steel cantilever beam is fixed on the top of the lower frame concrete truss and stretches out of the top of the lower frame concrete truss, the bottom of the lower-supporting structural steel bracket is fixed in the middle of the lower frame concrete truss, the top of the lower-supporting structural steel bracket is fixed at the bottom of the cantilever beam, the lower-supporting structural steel bracket inclines from bottom to top in the stretching direction of the cantilever beam, the bottom of the steel wire rope is fixed on the top of the cantilever beam, the top of the steel wire rope is fixed at the bottom of the upper frame concrete truss, the top of the load-bearing formwork base is fixed on the upper frame concrete truss, the bottom of the load-bearing formwork base is fixed on the cantilever beam, and the outer protection frame is arranged on the outer side of the load-bearing formwork base. The ultra-long cantilever truss structure high formwork supporting system greatly improves construction efficiency, reduces investment of revolving materials, saves cost, enables erecting time to be reduced, and improves the unit time utilization rate of machinery and staff.

Description

Overlength cantilever frame structure high-altitude formwork bracing system
Technical field
The utility model relates to a kind of support system, especially overlength cantilever frame structure high-altitude formwork bracing system.
Background technology
In construction experience in the past, load-bearing scaffold great majority are for landing all round victory scaffold, but this engineering cantilever part height reaches 55 meters, floor stand need be taken root from basement roof, under basement roof, also need to return back to top, support body vertical pole ' s span, horizon bar spacing, bridging, enhancement Layer, socket a little etc. and all to need to be multiplied, and safety factor is lower, cost payout is larger.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of overlength cantilever frame structure high-altitude formwork bracing system.
The utility model is achieved through the following technical solutions.
A kind of overlength cantilever frame structure high-altitude formwork bracing system, comprise top support body and bottom support body, above-mentioned bottom support body comprises the shaped steel Cantilever Beams, lower support shaped steel bracket, on draw wire rope, lower Pin concrete truss, above-mentioned top support body comprises the load-bearing support for shuttering, outer protective frame, upper Pin concrete truss, above-mentioned shaped steel Cantilever Beams one end is fixed on above-mentioned lower Pin concrete truss top and stretches out above-mentioned lower Pin concrete truss top, the bottom of above-mentioned lower support shaped steel bracket is fixed on above-mentioned lower Pin concrete truss middle part, top is fixed on above-mentioned Cantilever Beams bottom, above-mentioned lower support shaped steel bracket prolongs above-mentioned Cantilever Beams and stretches out direction and tilt from bottom to top, above-mentioned wire rope bottom is fixed on above-mentioned Cantilever Beams top, top is fixed on above-mentioned upper Pin concrete truss bottom, above-mentioned load-bearing support for shuttering top is fixed on above-mentioned upper Pin concrete truss, bottom is fixed on above-mentioned Cantilever Beams, above-mentioned outer protective frame is arranged on the above-mentioned load-bearing support for shuttering outside, its top is fixed on above-mentioned upper Pin concrete truss, bottom is fixed on above-mentioned Cantilever Beams.
Further, above-mentioned Cantilever Beams upper surface is equipped with the multilayer proofing plate.
Further, above-mentioned Cantilever Beams one end is fixed on above-mentioned lower Pin concrete truss top by the Cantilever Beams anchor ring.
Further, the flame-retardant fine mesh safety net is overworked in the above-mentioned outer protective frame outside.
The beneficial effects of the utility model:
The use of overlength cantilever frame structure high-altitude formwork bracing system has improved efficiency of construction greatly, reduce the input of circulation material, saved cost, make and set up time decreased, improve machinery and personnel's unit interval utilization rate, and then guaranteed site safety, quality and the duration of this position construction.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model overlength cantilever frame structure high-altitude formwork bracing system.
The specific embodiment
Below according to drawings and embodiments the utility model is described in further detail.
The structural representation that Fig. 1 is the utility model overlength cantilever frame structure high-altitude formwork bracing system, with reference to Fig. 1, the utility model is chosen the tree crown moulding building in certain hotel as case study on implementation.Overlength cantilever frame structure high-altitude formwork bracing system, comprise top support body and bottom support body, above-mentioned bottom support body comprises shaped steel Cantilever Beams 1, lower support shaped steel bracket 2, on draw wire rope 3, lower Pin concrete truss 4, the top support body comprises load-bearing support for shuttering 5, outer protective frame 6, upper Pin concrete truss 7, shaped steel Cantilever Beams 1 one ends are fixed on lower Pin concrete truss 4 tops and stretch out lower Pin concrete truss 4 tops by Cantilever Beams anchor ring 12, Cantilever Beams 1 upper surface is equipped with multilayer proofing plate 10, the bottom of lower support shaped steel bracket 2 is fixed on lower Pin concrete truss 4 middle parts, top is fixed on Cantilever Beams 1 bottom, lower support shaped steel bracket 2 prolongs Cantilever Beams 1 and stretches out direction and tilt from bottom to top, wire rope 3 bottoms are fixed on Cantilever Beams 1 top, top is fixed on Pin concrete truss 7 bottoms, load-bearing support for shuttering 5 tops are fixed on Pin concrete truss 7, bottom is fixed on Cantilever Beams 1, outer protective frame 6 is arranged on load-bearing support for shuttering 5 outsides, its top is fixed on Pin concrete truss 7, bottom is fixed on Cantilever Beams 1, flame-retardant fine mesh safety net 60 is overworked in outer protective frame 6 outsides.
For this building, particularly, Cantilever Beams 1 is selected the common 20# i iron of GB, chooses 5.8m, inboard anchoring 6.2m.Level interval 1.2m, one-sided 20.Outrigger anchor ring 12 is provided with two, between solid length be no less than 30cm, first outrigger anchor ring 12 is located in the side bar scope, second outrigger anchor ring 12 sets firmly and is not less than 20 diameter bar dowels and strengthens.
Lower support shaped steel bracket 2 adopts 14# i iron bracket support top, support top positional distance limit Cantilever Beams 1 outer rim 4.6m, and when construct in its bottom, pre-buried 250*300*10 steel plate embedded part is as the bracket buried plate, and the bracket top arranges the thick end plate of 250*200*10, upper and lower firm welding.
Wire rope 3 adopts on 2 6*37+17.5mm wire rope (f=1700N/mm2) and draws, pre-buried pair of HPB235*25 round steel draw ring in wire rope and structural concrete, and diameter 32mm flower basket bolt is regulated length, and wire line shoe is fixed, and every end is no less than 3 wire clips.Mei Dong building external corner is set up on two 14mm of place wire rope and is drawn, and controls the bight distortion.
The 20# i iron arranges elongated horizontal connection rod member four roads, and distance structure limit 1m, 2.2m arrange respectively the 10# channel-section steel, and 20# i iron termination arranges the contact of twice 16# i iron, the use of taking root as outer protective frame simultaneously.
Between load-bearing support for shuttering 5, outer protective frame 6, adopt short steel pipes to be connected firmly one by one.Load-bearing support for shuttering 5 longitudinal pitches are not more than 1.2m (according to i iron outrigger position), and horizontal spacing is determined according to form of structure.Outer protective frame 6 longitudinal pitch 1.5m, array pitch 0.85m.
Outer protective frame 6 outsides completely hang flame-retardant fine mesh safety net 60, and plane often is no more than the full eye blanket net greatly of hanging of 10m and operation layer below.
Operating procedure:
Hard protection laying → pre-buried wire rope draw ring under all round victory scaffold and outer protective frame → outer protective frame linked network → Cantilever Beams (10 layer concretes build before) → oblique pull wire rope → build 11 layer concretes are installed → set up to pre-buried bracket buried plate (7 layer concretes build before) → pre-buried Cantilever Beams anchor ring (8 layer concretes build before) → Cantilever Beams installation → bracket.
The utility model, the use of overlength cantilever frame structure high-altitude formwork bracing system has improved efficiency of construction greatly, reduce the input of circulation material, saved cost, make and set up time decreased, improve machinery and personnel's unit interval utilization rate, and then guaranteed site safety, quality and the duration of this position construction, also for beautiful Zhi Guan hotel Project duration, provide strong guarantee.
Above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this art can understand the utility model content and be implemented, and can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.

Claims (4)

1. an overlength cantilever frame structure high-altitude formwork bracing system, it is characterized in that, comprise top support body and bottom support body, described bottom support body comprises the shaped steel Cantilever Beams, lower support shaped steel bracket, on draw wire rope, lower Pin concrete truss, described top support body comprises the load-bearing support for shuttering, outer protective frame, upper Pin concrete truss, described shaped steel Cantilever Beams one end is fixed on described lower Pin concrete truss top and stretches out described lower Pin concrete truss top, the bottom of described lower support shaped steel bracket is fixed on described lower Pin concrete truss middle part, top is fixed on described Cantilever Beams bottom, described lower support shaped steel bracket prolongs described Cantilever Beams and stretches out direction and tilt from bottom to top, described wire rope bottom is fixed on described Cantilever Beams top, top is fixed on described upper Pin concrete truss bottom, described load-bearing support for shuttering top is fixed on described upper Pin concrete truss, bottom is fixed on described Cantilever Beams, described outer protective frame is arranged on the described load-bearing support for shuttering outside, its top is fixed on described upper Pin concrete truss, bottom is fixed on described Cantilever Beams.
2. overlength cantilever frame structure according to claim 1 high-altitude formwork bracing system, is characterized in that, described Cantilever Beams upper surface is equipped with the multilayer proofing plate.
3. overlength cantilever frame structure according to claim 1 high-altitude formwork bracing system, is characterized in that, described Cantilever Beams one end is fixed on described lower Pin concrete truss top by the Cantilever Beams anchor ring.
4. overlength cantilever frame structure according to claim 1 high-altitude formwork bracing system, is characterized in that, the flame-retardant fine mesh safety net is overworked in the described outer protective frame outside.
CN201320405186XU 2013-07-09 2013-07-09 Ultra-long cantilever truss structure high formwork supporting system Active CN203334664U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306479A (en) * 2013-07-09 2013-09-18 中国中铁航空港建设集团有限公司海南分公司 Long-length overhang trusswork high form hanger system
CN103669845A (en) * 2013-12-26 2014-03-26 常州第一建筑集团有限公司 High-altitude long-span overhung cornice formwork supporting system and constructing method thereof
CN105442840A (en) * 2015-11-11 2016-03-30 西安建筑科技大学 Construction method of cantilever formwork supporting frame
CN105442839A (en) * 2015-09-06 2016-03-30 上海建工七建集团有限公司 Erecting method of cantilever structure formwork bent
CN106193592A (en) * 2016-08-29 2016-12-07 成都市第四建筑工程公司 A kind of form bracing system and construction method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306479A (en) * 2013-07-09 2013-09-18 中国中铁航空港建设集团有限公司海南分公司 Long-length overhang trusswork high form hanger system
CN103669845A (en) * 2013-12-26 2014-03-26 常州第一建筑集团有限公司 High-altitude long-span overhung cornice formwork supporting system and constructing method thereof
CN103669845B (en) * 2013-12-26 2015-11-25 常州第一建筑集团有限公司 High-altitude long-span overhung cornice formwork bracing system and construction method thereof
CN105442839A (en) * 2015-09-06 2016-03-30 上海建工七建集团有限公司 Erecting method of cantilever structure formwork bent
CN105442840A (en) * 2015-11-11 2016-03-30 西安建筑科技大学 Construction method of cantilever formwork supporting frame
CN106193592A (en) * 2016-08-29 2016-12-07 成都市第四建筑工程公司 A kind of form bracing system and construction method

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