CN202324571U - Overhanging type double-row scaffold - Google Patents

Overhanging type double-row scaffold Download PDF

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Publication number
CN202324571U
CN202324571U CN2011204254865U CN201120425486U CN202324571U CN 202324571 U CN202324571 U CN 202324571U CN 2011204254865 U CN2011204254865 U CN 2011204254865U CN 201120425486 U CN201120425486 U CN 201120425486U CN 202324571 U CN202324571 U CN 202324571U
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CN
China
Prior art keywords
iron
encorbelmenting
scaffold
type double
overhanging type
Prior art date
Application number
CN2011204254865U
Other languages
Chinese (zh)
Inventor
缪技峰
张海蓉
朱振宇
徐美娟
史俊生
任茁
金鑫
金涛
Original Assignee
江苏瑞峰建设集团有限公司
江苏天力建设有限公司
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Application filed by 江苏瑞峰建设集团有限公司, 江苏天力建设有限公司 filed Critical 江苏瑞峰建设集团有限公司
Priority to CN2011204254865U priority Critical patent/CN202324571U/en
Application granted granted Critical
Publication of CN202324571U publication Critical patent/CN202324571U/en

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Abstract

The utility model discloses an overhanging type double-row scaffold. The overhanging type double-row scaffold comprises an overhanging rack and a plurality of offloads, wherein the overhanging rack is erected from a second floor and is an I-steel outrigger; wire rope offloads are arranged from an upper floor where the I-steel outrigger is located; the wire rope offloads comprise a hanging ring arranged at the upper floor of the I-steel outrigger; and one end of a wire rope penetrates through the hanging ring, and the other end of the wire rope bypasses the I-steel outrigger. The overhanging type double-row scaffold disclosed by the utility model has a simple structure, a low cost, strong carrying capacity and high rigidity and stability, and is easy to install.

Description

A kind of overhanging type double-pole scaffold
Technical field
The utility model relates to a kind of overhanging type double-pole scaffold, belongs to technical field of buildings.
Background technology
Scaffold (scaffold) refers to that the job site is operated and solve vertical for the workman and level is transported the various supports of setting up.Mainly construct up and down or maintenance of peripheral safety net and high-altitude installation component for the constructor; The scaffold made from tube material that uses now has fastener type steel pipe scaffold, bowl fastening type steel pipe scaffold, spigot-and-socket steel pipe scaffold, door-type scaffold, also has internal scaffolding miscellaneous, hangs outrigger scaffold and other tube material scaffold.Classify by the mode of building and mainly to comprise console mode double-pole scaffold and overhanging type double-pole scaffold; Wherein the console mode double-pole scaffold is that basement, the first floor adopt; Treat to remove after the two layers of frame of encorbelmenting are accomplished, perhaps the position employing is shunk in the high building sideline on annex, sets up to building top.And set up the overhanging type double-pole scaffold more than two layers, and meet the show house person that need expose the exterior wall, set up the overhanging type double-pole scaffold again from the last layer of show house, treat to remove after the show house external wall construction finishes the outrigger at show house place layer.When the adjacent discrepancy in elevation of different construction sections surpasses 2 layers, need set up the frame of encorbelmenting, when treating that another construction section height is constructed at the bottom of the frame, remove beneath one section support body at one section high vertical section of construction height.Height of lift is confirmed according to actual conditions.
External scaffolding must have enough bearing capacities, rigidity and stability, the distortion that unstability does not take place under various load actions, collapse and surpass to allow require, tilts, rocks or twisted phenomena, guarantees safe construction, and is all the more so for overhanging scaffold.
Summary of the invention
The utility model technical problem to be solved provides that a kind of bearing capacity is strong, the overhanging scaffold of rigidity and good stability.
For solving the problems of the technologies described above, the utility model provides a kind of overhanging type double-pole scaffold, comprises encorbelment together frame and multiple tracks off-load; The said frame of encorbelmenting begins to set up at the 2nd floor face; The said frame of encorbelmenting is the i iron beam of encorbelmenting, and begins to establish the wire rope off-load at the encorbelment last layer flooring at beam place of i iron, and said wire rope off-load comprises and is arranged on the encorbelment suspension ring of beam last layer flooring of i iron; Wire rope one end passes suspension ring, and the other end is walked around the i iron beam of encorbelmenting.
Aforesaid overhanging type double-pole scaffold is characterized in that: i iron is encorbelmented the suspension ring of a beam and a last floor in same perpendicular.
Aforesaid overhanging type double-pole scaffold is characterized in that: the i iron beam total length of encorbelmenting all is not less than 3m.
Aforesaid overhanging type double-pole scaffold is characterized in that: the leger of sweeping the floor is apart from the i iron beam upper surface 200mm that encorbelments, and above leger step pitch is 1.8m, little cross bar spacing≤O.75m.
The beneficial effect that the utility model reached:
The overhanging type double-pole scaffold of the utility model, simple in structure, cost is low, is easy to install, and bearing capacity is strong, and rigidity is strong with stability.
Description of drawings
Fig. 1 is the structural representation of the overhanging type double-pole scaffold of the utility model.
The specific embodiment
I iron beam 1 total length of encorbelmenting all is not less than 3m, and O.5m length must not be lower than on the structure, and every i iron level interval all must not surpass 1.5m, and concrete size is adjusted according to the engineering structures size, but must not be greater than 1.5m.Suspension ring level interval at girder steel last layer flooring also must not surpass 1.5m, and i iron is encorbelmented the corresponding suspension ring 4 with a last floor of beam should be in same perpendicular, and horizontal departure must not surpass 100mm; The off-load suspension ring spacing of all the other floors must not be less than 3m.Off-load is in 3,11,16,20,24,28 layers of setting.
The double external scaffolding stress system of encorbelmenting comprises little cross bar 7 and leger 5, all adopts Ф 48 * 3.5 steel pipes, and wire rope 3 diameters are 16 mm, nominal tensile strength 1550N/mm 2, and pre-buried suspension ring are Ф 18 reinforcing bars, the i iron beam of encorbelmenting adopts the common i iron of 16#.
Scaffold building comprises encorbelment together frame and multiple tracks off-load, and the frame of encorbelmenting begins to set up at the 2nd layer, and like show house, one deck is set up the frame of encorbelmenting again above that, establishes the wire rope off-load at girder steel last layer flooring.I iron beam 1 total length of encorbelmenting all is not less than 3m, and O.5m length must not be lower than on the structure, and every i iron level interval all must not surpass 1.5m, and concrete size is adjusted according to the engineering structures size, but must not be greater than 1.5m.Suspension ring level interval at girder steel last layer flooring also must not surpass 1.5m, and i iron is encorbelmented the corresponding suspension ring 4 with a last floor of beam should be in same perpendicular, and horizontal departure must not surpass 100mm; The off-load suspension ring spacing of all the other floors must not be less than 3m.Off-load is in the 3rd, 11,16,20,24,28 layer of setting.
Inside and outside vertical rod is single pole, vertical rod transfer b=O.90m, vertical rod advance l=1.5m, and concrete size is adjusted according to the engineering structures size, must not be greater than 1.5m, interior row's vertical rod is apart from exterior wall b l=O.35m, air-conditioning plate and balcony etc. are located and should be strengthened according to actual conditions; Sweep the floor leger 5 apart from i iron upper surface 200mm, above leger step pitch h=1.8m; Little cross bar spacing l 1≤O.75m, the termination is apart from structure b 2≤O.1m.Require the little cross bar termination at all oblique drawknot point places should hold out against structure, offsetting the horizontal component that inside and outside oblique rollering steel silk rope is produced, and two fasteners are set at drawknot point place as horizontal struts.Completely spread 2 sealings of seven layers of veneer on the first step frame, the outer facade of vertical rod is completely hung 6 sealings of dense mesh type safety net, and frame of above step of the second layer is completely spread 8 sealings of reinforcing bar springboard.Outrigger connects the pre-buried round steel of wall steel pipe 9 usefulness and the steel pipe full weld is fixed.
As meet the situation of i iron, steel wire penetrating floor periphery shear wall, and can take the method for constructing behind the reserving hole, the scene should be handled according to actual conditions.
Double external scaffolding and the structure of encorbelmenting links: level interval L 1=3I≤4.5m, vertical spacing H 1=2h=3.6m.Wall-connecting piece adopts and is rigidly connected, and spacing is provided with the requirement that must satisfy " building operations fastener steel tube scaffold technical specification of security " in length and breadth.Set up and select and appoint the special messenger to be responsible for inspection in the process, forbid to leak if do not establish.
Facade is provided with bridging continuously along short transverse and leger direction outside the double external scaffolding of encorbelmenting, and brace and horizontal direction angle are 45 °-60 °, and the brace two ends adopt rotary buckle to be connected with the angle, and increases by 2~4 button nodes therebetween.
The double external scaffolding of encorbelmenting designs by the exterior wall finishing frame, and its working load should be strict controlled in 2KN/m 2In, must not on the double external scaffolding of encorbelmenting, stack any constructional materials.During main structure construction, all external molds and side bar bed die must not support and depended on the double external scaffolding of encorbelmenting; During exterior wall finishing, the double external scaffolding of encorbelmenting should be limited in operation simultaneously on the two step framves.
The double external scaffolding of encorbelmenting is set up and points for attention:
1, last one floor construction external scaffolding utilization external scaffolding of next time encorbelmenting, its vertical rod position i iron, wire rope and the suspension ring position of double external scaffolding of encorbelmenting of should staggering landed double external scaffolding and set up the double external scaffolding of encorbelmenting so that utilize.
2, according to the story height and the off-load situation of high building, per four layers are provided with one off-load, and the suspension ring of oblique rollering steel silk rope adopt I grade reinforcing steel Ф 18 to make, and length of embedment should be not less than 30d, and should hook structure reinforcing bars.Put wire rope between suspension ring that side bar, exterior wall are pre-buried and the draw ring on the i iron, adopt the tension of 1.5T cucurbit also with 3 U type cards and curved the fixing of safety.
3. per step frame level bridge operation layer must completely be spread bamboo scaffold floor (turnover passage place adopts seven layers of veneer); And at 4,7,10,13,17,20,23,26,29 layers safe slanting baffle is set, its outer is apparently higher than interior edge, avoid because of falling object from high altitude threaten the constructor and around pedestrian, vehicle (see accompanying drawing 3 for details) safely.
I iron, wire rope, suspension ring pre-buried, handle, fixing and drawknot should select and appoint that the special messenger is responsible for implementing, inspection, forbids to leak if do not establish, and forbids to touch each node.
8, meet strong wind weather more than 5 grades, personnel stop operation and recall indoor.
The external scaffolding demolishing process is:
1, marks the forbidden zone in the operation area, fence is set, forbid that pedestrian, idler pass through and swarm into.
2, strictly observe dismounting order, from top to bottom, after the person of tying up tear open earlier, tear open after not tying up earlier the person.Generally be to remove guard rail, baseboard, scaffold floor, bridging earlier, then remove little cross bar, leger and vertical rod etc., connect wall point and also must remove synchronously with scaffold.
3, coordination is echoed in unified command up and down.When untiing, the other side should be informed earlier, with fall arrest with the knotting of another relating to persons.
4, material, instrument arbitrarily throwing throw out without care, transport with pulley and rope.
5, because this engineering belongs to super highrise building; The builder's jack scaffolding height is high; Scaffold takes that to tear engineering quantity open bigger, set up with demolishing process in also should be in strict accordance with " building operations fastener type steel pipe footnote hand frame technical specification of security " in related request construct.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replacement or the technical scheme that obtained of equivalent transformation mode, all drop within the protection domain of the utility model.

Claims (4)

1. overhanging type double-pole scaffold; Comprise encorbelment together frame and multiple tracks off-load, the said frame of encorbelmenting begins to set up at the 2nd floor face, and the said frame of encorbelmenting is the i iron beam of encorbelmenting; Begin to establish the wire rope off-load at the encorbelment last layer flooring at beam place of i iron; Said wire rope off-load comprises and is arranged on the encorbelment suspension ring of beam last layer flooring of i iron, and wire rope one end passes suspension ring, and the other end is walked around the i iron beam of encorbelmenting.
2. overhanging type double-pole scaffold according to claim 1 is characterized in that: i iron is encorbelmented the suspension ring of a beam and a last floor in same perpendicular.
3. overhanging type double-pole scaffold according to claim 1 is characterized in that: the i iron beam total length of encorbelmenting all is not less than 3m.
4. overhanging type double-pole scaffold according to claim 1 is characterized in that: the leger of sweeping the floor is apart from the i iron beam upper surface 200mm that encorbelments, and above leger step pitch is 1.8m, little cross bar spacing≤O.75m.
CN2011204254865U 2011-11-01 2011-11-01 Overhanging type double-row scaffold CN202324571U (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777022A (en) * 2012-08-03 2012-11-14 汕头市建筑工程总公司 Postpositional double-steel-channel overhanging scaffold and construction method thereof
CN102817464A (en) * 2012-08-24 2012-12-12 中国华冶科工集团有限公司 Construction device for painting anti-corrosion and fireproof paint of building
CN103321399A (en) * 2013-06-25 2013-09-25 北京金港机场建设有限责任公司 Suspension scaffold at gable at sloping roof eaves of high-rise building, and construction method thereof
CN105350761A (en) * 2015-11-06 2016-02-24 广西华业建筑工程有限公司 Installation method of I-steel cantilevered external scaffolding
CN105350760A (en) * 2015-07-16 2016-02-24 黄明 Edge-beam-supporting steel-rod-inclined-pulling and wire-rope-unloading overhanging scaffold construction method
CN105421747A (en) * 2015-11-06 2016-03-23 广西华业建筑工程有限公司 Method for hauling steel wire ropes through I-steel overhanging external scaffold
CN106088637B (en) * 2016-08-16 2018-04-10 中铁建工集团有限公司 Construction assembled high-altitude protection canopy and its assembly method
CN109138397A (en) * 2018-09-28 2019-01-04 浙江广安建设有限公司 A kind of overhanging scaffold and its building method
CN110939261A (en) * 2019-11-15 2020-03-31 安徽卓良新材料有限公司 Disc-buckle type double-row outer scaffold cantilever structure and construction method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777022A (en) * 2012-08-03 2012-11-14 汕头市建筑工程总公司 Postpositional double-steel-channel overhanging scaffold and construction method thereof
CN102817464A (en) * 2012-08-24 2012-12-12 中国华冶科工集团有限公司 Construction device for painting anti-corrosion and fireproof paint of building
CN102817464B (en) * 2012-08-24 2015-03-18 中国华冶科工集团有限公司 Construction device for painting anti-corrosion and fireproof paint of building
CN103321399A (en) * 2013-06-25 2013-09-25 北京金港机场建设有限责任公司 Suspension scaffold at gable at sloping roof eaves of high-rise building, and construction method thereof
CN103321399B (en) * 2013-06-25 2015-12-16 北京金港建设股份有限公司 The outer eaves gable place's suspension scaffold of highrise building Sloping roof and construction method thereof
CN105350760A (en) * 2015-07-16 2016-02-24 黄明 Edge-beam-supporting steel-rod-inclined-pulling and wire-rope-unloading overhanging scaffold construction method
CN105350761A (en) * 2015-11-06 2016-02-24 广西华业建筑工程有限公司 Installation method of I-steel cantilevered external scaffolding
CN105421747A (en) * 2015-11-06 2016-03-23 广西华业建筑工程有限公司 Method for hauling steel wire ropes through I-steel overhanging external scaffold
CN106088637B (en) * 2016-08-16 2018-04-10 中铁建工集团有限公司 Construction assembled high-altitude protection canopy and its assembly method
CN109138397A (en) * 2018-09-28 2019-01-04 浙江广安建设有限公司 A kind of overhanging scaffold and its building method
CN110939261A (en) * 2019-11-15 2020-03-31 安徽卓良新材料有限公司 Disc-buckle type double-row outer scaffold cantilever structure and construction method thereof

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