CN102747839B - Flexible lifting method for space truss structure - Google Patents
Flexible lifting method for space truss structure Download PDFInfo
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- CN102747839B CN102747839B CN201210256505.5A CN201210256505A CN102747839B CN 102747839 B CN102747839 B CN 102747839B CN 201210256505 A CN201210256505 A CN 201210256505A CN 102747839 B CN102747839 B CN 102747839B
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- truss structure
- space truss
- lifting
- suspension centre
- wire rope
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 40
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention discloses a flexible lifting method for a space truss structure. The flexible lifting method comprises the following steps of: arranging a lifting bracket on the top of a structural column, wherein the top of the lifting bracket outwards extends to form an extending part; arranging a lifting jack on the top of the lifting bracket, and arranging a positioning hole in the extending part, wherein the positioning hole is through from top to bottom; putting a plurality of steel strands driven by the lifting jack into the positioning hole; connecting a lower lifting point below the steel strands, and enabling the lower lifting point to be in transmission connection with the lifting jack through the steel strands and suspending the lower lifting point below the positioning hole; connecting the lower lifting point with the space truss structure by a plurality of steel wire ropes; and starting the lifting jack to lift the space truss structure. The flexible lifting method for the space truss structure, provided by the invention, can be used for applying uniform pressure to the space truss structure in a lifting process and has low cost and high construction quality; and the lifting device has the characteristics of light weight, simple structure and convenience in dismounting.
Description
Technical field
The present invention relates to a kind of method for improving, espespecially a kind of flexible hoisting method for space truss structure.
Background technology
For in the lifting process of space truss structure, normally adopt and promote suspension centre structure in the rigidity of the multiple rigid bar for promoting of the surface soldered of a spheroid, but adopt this structure space truss structure unbalance stress when promoting network structure, thus easily produce deformation in the stressed larger part of network structure, thus affect the construction quality of space truss structure; The lifting suspension centre of rigid structures needs more rigid bar material simultaneously, thus has larger weight and higher cost of production.In addition, the lifting suspension centre of lifting appliance is often because the discontinuity of bottom rack produces, the steel strand on lifting suspension centre top will be made like this to be distorted distortion, easily to cause the fracture of steel strand at rack lifting process, thus bring great potential safety hazard to the lifting of rack.
Summary of the invention
The object of the invention is to the defect overcoming prior art, and a kind of flexible hoisting method for space truss structure is provided, achieve a kind of method for improving that evenly can exert a force to space truss structure in lifting process, have that cost is low, construction quality is high, lifting appliance is lightweight, structure is simple, dismantle feature easily.
The technical scheme realizing above-mentioned purpose is:
A kind of flexible hoisting method for space truss structure of the present invention, comprises the steps:
One top is installed at the top of structural column stretch out and form the lifting bracket of extension;
At the top of described lifting bracket, one jack is installed, and offers the locating hole of a up/down perforation at described extension;
Complex root and described very heavy top driven steel strand are penetrated in described locating hole;
Under once suspension centre is connected to described steel strand, and is in transmission connection by described steel strand and described jack and is suspended in below described locating hole;
By a plurality of wire rope, described lower suspension centre is connected with space truss structure described in;
Start jack, promote described space truss structure.
Described locating hole is formed in a pair through hole that the two side being fixed on described U-shaped slot opening end by the U-shaped groove being worn by a pin rod forming a up/down perforation in the outer end of above-mentioned extension is formed.
Further comprising the steps of:
By the described jack one leading truck being fixed on described lifting beam top;
The described steel strand on described jack top are penetrated in the gathering sill at described leading truck top.
Above by a plurality of wire rope, space truss structure Connection Step described in described lower suspension centre and is comprised further:
Circumferentially fix a plurality of medial surface sphere nodes same of described space truss structure and offer reeded otic placode;
By adjacent for described steel wire penetrating described sphere nodes each described in groove be sheathed on the periphery of described sphere nodes;
Bending described wire rope in distance first end a distance, and tighten up hole by one first cuffs banding kink bottom formation one;
By the second end of described wire rope through after the through hole offered on the hanger of described lower suspension centre, what to be connected described wire rope first end with a coupling bar by a U-shaped button tightens up hole.
The tie point of above-mentioned wire rope and described lower suspension centre is arranged symmetrically with along the axle center of described lower suspension centre.
Above-mentioned lower suspension centre comprises the pallet that a sleeve and is fixed with a plurality of hanger, and the bottom of described sleeve is connected rotationally with the top of described pallet;
To be connected under described steel strand in step by suspension centre once: described sleeve connection is in described steel strand;
At described a plurality of wire rope that pass through by space truss structure Connection Step described in described lower suspension centre and: a plurality of wire rope described are connected between the hanger of described pallet and described sphere nodes respectively correspondingly.
Be fixed on described lower suspension centre and be fixed on described lower suspension centre the present invention owing to have employed above technical scheme, making it have following beneficial effect is:
The combination of lower suspension centre and a plurality of wire rope achieves the flexible hoisting of space truss structure, make promote time space truss structure stressed more evenly, simultaneously compared to rigid joint structure, the combination of lower suspension centre and a plurality of wire rope has lighter quality and less cost; The depression that otic placode medial surface is formed, is combined in wire line hitch between otic placode and sphere nodes, and simultaneously U-shaped button is used for the end of fixing wire rope, achieves the firmly sheathed of wire rope and sphere nodes.Offering of the U-shaped groove of extension outer end up/down perforation, make it possible to directly steel strand be snapped in U-shaped groove from outer end, lifting beam end the quick location realizing steel strand, thus the difficulty of construction is reduced when installing steel strand, and without the need to the lifting appliance of super-high, reduce the construction cost of engineering.The employing of the leading truck at lifting beam top, achieves through effective guiding of steel strand of gathering sill and location, ensure that jack normally works and job site neat and artistic.Sleeve and pallet are connected rotationally to achieve and a kind ofly can ensure that upper steel twisted wire keeps the suspender of stable state promoting in rack process, the cooperation of ball pivot and ball pivot seat, achieve pallet and sleeve can carry out multidirectionally freely rotating, make the vertical state that the steel strand on lower suspension centre top remain stable, prevent steel strand issuable fracture owing to rocking, ensure that the safety of rack lifting construction.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention for the flexible hoisting method of space truss structure;
Fig. 2 is the system architecture schematic diagram of the present invention for the flexible hoisting method of space truss structure;
Fig. 3 is the plan structure schematic diagram of the present invention for the lower suspension centre pallet of the flexible hoisting method of space truss structure;
Fig. 4 is the lower suspension centre lateral section structural representation of the present invention for the flexible hoisting method of space truss structure;
Fig. 5 is the present invention for the lower suspension centre of the flexible hoisting method of space truss structure and external network syndeton schematic diagram;
Fig. 6 is the wire rope of the present invention for the flexible hoisting method of space truss structure and the syndeton schematic diagram of external network sphere nodes;
Fig. 7 is the leading truck side-looking structural representation of the present invention for the flexible hoisting method of space truss structure;
Fig. 8 is the plan structure schematic diagram of the present invention for the lifting beam of the flexible hoisting method of space truss structure;
Fig. 9 is the present invention for the U-shaped button of the flexible hoisting method of space truss structure and steel wire rope connection structure schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Refer to Fig. 1, Fig. 2, Fig. 5, a kind of flexible hoisting method for space truss structure of the present invention, comprises the steps:
First, a top is installed at the top of structural column 1 stretch out and form the lifting bracket 2 of extension 221;
Then, a jack 3 is installed at the top of lifting bracket 2, and offers the locating hole 222 of a up/down perforation at extension 221;
The jack 3 one leading truck 7 being fixed on lifting beam 22 top is other;
The steel strand 4 on jack 3 top are penetrated in the gathering sill 721 at leading truck 7 top.
Then, the steel strand 4 of complex root and jack 3 transmission are penetrated in locating hole 222;
Then, steel strand will be connected to 4 times by suspension centre 5 once, and be in transmission connection by steel strand 4 and jack 3 and be suspended in below locating hole 222;
Then, by a plurality of wire rope 54, lower suspension centre 5 is connected with a space truss structure 6;
Start jack, promote described space truss structure.
Refer to Fig. 8, wherein, in a pair through hole that the two side being fixed on U-shaped slot opening end is formed, form locating hole 222 by the U-shaped groove being worn by a pin rod forming a up/down perforation in the outer end of extension 221.
Refer to Fig. 6, Fig. 9, by a plurality of wire rope 54, lower suspension centre 5 and space truss structure 6 Connection Step comprised further:
The otic placode 8 that a plurality of medial surface offers groove 81 is circumferentially fixed the same of sphere nodes 61 of space truss structure 6;
Each groove 81 that wire rope 54 passes adjacent sphere nodes 61 is sheathed on the periphery of sphere nodes 61;
Bending wire rope 54 in distance first end a distance, and tighten up hole 541 by one first cuffs 55 banding kink bottom formation one;
By the second end of wire rope 54 through after the through hole offered on the hanger 521 of lower suspension centre 5, tighten up hole 541 by a U-shaped button 56 and a coupling bar 57 connecting steel wire ropes first end.
Wherein the tie point of wire rope 54 and lower suspension centre 5 is arranged symmetrically with along the axle center of lower suspension centre 5.
Refer to Fig. 2, lifting bracket 21 comprises two columns 21, being vertically installed in structural column 1 top and is anchored on two column 21 tops and the lifting beam 22 of formation one extension 221 that stretches out and is tiltedly located at pull bar 23 between two columns 21, and pull bar 23 strengthens the structural stability of lifting bracket 2; Extension 221 forms the locating hole 222 of a up/down perforation, and steel strand 4 are arranged in locating hole 222.
Refer to Fig. 3, Fig. 4, Fig. 5, lower suspension centre 5 comprises the pallet 52 that a sleeve 51 and is fixed with a plurality of hanger 521, and sleeve 51 top is connected with steel strand 4, and the bottom of sleeve 51 is connected rotationally with the top of pallet 52; Pallet 52 comprises a base 523, and the middle part of base 523 forms a nose bar 524, and a ball pivot 522 is formed on the top of nose bar 524, and the bottom of sleeve 51 coordinates ball pivot 522 to form a ball pivot seat 511, and ball pivot 522 is incorporated in ball pivot seat 511.A plurality of hanger 521 to be fixed between nose bar 524 and base 523 along nose bar 524 and to be provided with through hole with being arranged symmetrically with.To be connected in steel strand 4 times steps by suspension centre 5 once: sleeve 51 is connected to steel strand 4;
By a plurality of wire rope 54 will under in suspension centre 5 and space truss structure 6 Connection Step: a plurality of wire rope 54 are connected between the hanger 521 of pallet 52 and sphere nodes 61 respectively correspondingly.
Refer to Fig. 1, Fig. 7, leading truck 7 comprises a backboard 72 and two and be arranged in parallel and be fixed on the A-frame 71 of backboard 72, and gathering sill 721 is formed on the top of the backboard 72 between A-frame.
The combination of lower suspension centre 5 and a plurality of wire rope 54 achieves the flexible hoisting of space truss structure 6, make promote space truss structure 6 time space truss structure 6 stressed more evenly, simultaneously compared to rigid joint structure, the combination of lower suspension centre 5 and a plurality of wire rope 54 has lighter quality and less cost; The curved surface that otic placode 8 medial surface is formed and depression 81, be fastened on wire rope 54 between otic placode 8 and sphere nodes 61, and simultaneously U-shaped button is used for the end of fixing wire rope 54, achieves the firmly sheathed of wire rope 54 second end and sphere nodes 61.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (5)
1., for a flexible hoisting method for space truss structure, it is characterized in that, comprise the steps:
One top is installed at the top of structural column stretch out and form the lifting bracket of extension;
At the top of described lifting bracket, one jack is installed, and offers the locating hole of a up/down perforation at described extension;
Complex root and described very heavy top driven steel strand are penetrated in described locating hole;
Under once suspension centre is connected to described steel strand, and is in transmission connection by described steel strand and described jack and is suspended in below described locating hole;
By a plurality of wire rope, described lower suspension centre is connected with space truss structure described in, comprises further:
Circumferentially fix a plurality of medial surface sphere nodes same of described space truss structure and offer reeded otic placode;
By adjacent for described steel wire penetrating described sphere nodes each described in groove be sheathed on the periphery of described sphere nodes;
Bending described wire rope in distance first end a distance, and tighten up hole by one first cuffs banding kink bottom formation one;
By the second end of described wire rope through after the through hole offered on the hanger of described lower suspension centre, what to be connected described wire rope first end with a coupling bar by a U-shaped button tightens up hole;
Start jack, promote described space truss structure.
2. as claimed in claim 1 for the flexible hoisting method of space truss structure, it is characterized in that: by forming the U-shaped groove of a up/down perforation in the outer end of described extension and a pin rod being worn in a pair through hole that the two side of being fixed on described U-shaped slot opening end formed and form described locating hole.
3., as claimed in claim 1 or 2 for the flexible hoisting method of space truss structure, it is characterized in that: further comprising the steps of:
One lifting beam is set at the top of described lifting bracket, and described jack is installed on the top of described lifting beam;
By the described jack one leading truck being fixed on described lifting beam top;
The described steel strand on described jack top are penetrated in the gathering sill at described leading truck top.
4. as claimed in claim 3 for the flexible hoisting method of space truss structure, it is characterized in that: the tie point of described wire rope and described lower suspension centre is arranged symmetrically with along the axle center of described lower suspension centre.
5., as claimed in claim 4 for the flexible hoisting method of space truss structure, it is characterized in that: described lower suspension centre comprises the pallet that a sleeve and is fixed with a plurality of hanger, the bottom of described sleeve is connected rotationally with the top of described pallet;
To be connected under described steel strand in step by suspension centre once: described sleeve connection is in described steel strand;
At described a plurality of wire rope that pass through by space truss structure Connection Step described in described lower suspension centre and: a plurality of wire rope described are connected between the hanger of described pallet and described sphere nodes respectively correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256505.5A CN102747839B (en) | 2012-07-23 | 2012-07-23 | Flexible lifting method for space truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256505.5A CN102747839B (en) | 2012-07-23 | 2012-07-23 | Flexible lifting method for space truss structure |
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| Publication Number | Publication Date |
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| CN102747839A CN102747839A (en) | 2012-10-24 |
| CN102747839B true CN102747839B (en) | 2014-12-24 |
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| CN201210256505.5A Active CN102747839B (en) | 2012-07-23 | 2012-07-23 | Flexible lifting method for space truss structure |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912854B (en) * | 2012-11-09 | 2014-08-27 | 中建六局工业设备安装有限公司 | Construction method for integrally jacking and slipping net frame |
| CN103276908A (en) * | 2013-06-06 | 2013-09-04 | 四川电力建设三公司 | Construction method for assembling steel truss barrel-shell-structured dry coal shed |
| CN104060844B (en) * | 2014-04-30 | 2017-02-15 | 浙江东南网架股份有限公司 | Sliding device and lifting device for truss frame of steel structural transfer floor of the high-rise building and construction method thereof |
| CN105625729A (en) * | 2015-12-20 | 2016-06-01 | 安徽伟宏钢结构集团股份有限公司 | Installing method for inclined steel column |
| CN113529979A (en) * | 2021-07-30 | 2021-10-22 | 中建七局安装工程有限公司 | Exempt from welded rack node reinforced structure |
| CN115075399B (en) * | 2022-08-04 | 2024-08-20 | 上海市机械施工集团有限公司 | Active unloading method |
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|---|---|---|---|---|
| JP2002129747A (en) * | 2000-10-26 | 2002-05-09 | Miyaji Construction & Engineering Co Ltd | Lift-up method and lift-up system |
| CN1736848A (en) * | 2005-06-27 | 2006-02-22 | 华南理工大学 | Overall lifting device and method for large structure |
| CN201351102Y (en) * | 2008-12-25 | 2009-11-25 | 柳州欧维姆机械股份有限公司 | Hydraulic lifting steel strand retractable device |
| CN101633483A (en) * | 2009-08-13 | 2010-01-27 | 上海市第一建筑有限公司 | Integral lifting apparatus for steel structure net rack |
| WO2011002713A2 (en) * | 2009-07-01 | 2011-01-06 | Dennis Gaibler | Shackle bow and shackle |
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2012
- 2012-07-23 CN CN201210256505.5A patent/CN102747839B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002129747A (en) * | 2000-10-26 | 2002-05-09 | Miyaji Construction & Engineering Co Ltd | Lift-up method and lift-up system |
| CN1736848A (en) * | 2005-06-27 | 2006-02-22 | 华南理工大学 | Overall lifting device and method for large structure |
| CN201351102Y (en) * | 2008-12-25 | 2009-11-25 | 柳州欧维姆机械股份有限公司 | Hydraulic lifting steel strand retractable device |
| WO2011002713A2 (en) * | 2009-07-01 | 2011-01-06 | Dennis Gaibler | Shackle bow and shackle |
| CN101633483A (en) * | 2009-08-13 | 2010-01-27 | 上海市第一建筑有限公司 | Integral lifting apparatus for steel structure net rack |
Non-Patent Citations (1)
| Title |
|---|
| 潮汕机场航站楼钢屋盖整体提升技术;曾令权等;《施工技术》;20110110;第40卷(第1期);第70-72页 * |
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| CN102747839A (en) | 2012-10-24 |
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