CN102747839A - Flexible lifting method for space truss structure - Google Patents
Flexible lifting method for space truss structure Download PDFInfo
- Publication number
- CN102747839A CN102747839A CN2012102565055A CN201210256505A CN102747839A CN 102747839 A CN102747839 A CN 102747839A CN 2012102565055 A CN2012102565055 A CN 2012102565055A CN 201210256505 A CN201210256505 A CN 201210256505A CN 102747839 A CN102747839 A CN 102747839A
- Authority
- CN
- China
- Prior art keywords
- truss structure
- space truss
- lifting
- suspension centre
- wire rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
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, refer to a kind of flexible hoisting method that is used for space truss structure especially.
Background technology
In lifting process for space truss structure; The rigidity that normally is employed in a plurality of rigid bars that are used to promote of surface soldered of a spheroid promotes the suspension centre structure; But adopt this structure space truss structure unbalance stress when promoting network structure; Thereby produce deformation in the stressed bigger part of network structure easily, thereby influence the construction quality of space truss structure; The lifting suspension centre of rigid structures needs more rigid bar material simultaneously, thereby has bigger weight and higher cost of production.In addition; The lifting suspension centre of lifting appliance tends to because the discontinuity of bottom rack produces; Will make the steel strand that the promote suspension centre top distortion that is distorted like this, cause the fracture of steel strand easily at the rack lifting process, thereby bring great potential safety hazard to the lifting of rack.
Summary of the invention
The objective of the invention is to overcome the defective of prior art; And a kind of flexible hoisting method that is used for space truss structure is provided; Realized a kind of can be in lifting process to the method for improving of the even application of force of space truss structure, have that cost is low, construction quality is high, lifting appliance is in light weight, simple in structure, dismantle characteristics easily.
The technical scheme that realizes above-mentioned purpose is:
A kind of flexible hoisting method that is used for space truss structure of the present invention comprises the steps:
One top is installed at the top of structural column to stretch out and forms the lifting support of extension;
At the top of said lifting support one jack is installed, and is offered the locating hole of a up/down perforation at said extension;
Complex root and said very heavy top driven steel strand are penetrated in the said locating hole;
Will be once suspension centre be connected under the said steel strand, and be in transmission connection and be suspended in below the said locating hole through said steel strand and said jack;
Through a plurality of wire rope said suspension centre down is connected with a said space truss structure;
Start jack, promote said space truss structure.
Form the U-shaped groove of a up/down perforation and a pin rod worn in a pair of through hole that the two side of being fixed in said U type slot opening end forms through outer end and form said locating hole at above-mentioned extension.
Further comprising the steps of:
One leading truck is fixed in by the said jack of said lifting back portion;
The said steel strand on said jack top are penetrated in the gathering sill at said leading truck top.
Above-mentionedly a said down suspension centre and a said space truss structure Connection Step are further comprised through a plurality of wire rope:
Fixing a plurality of medial surfaces are offered reeded otic placode on the same circumference of the sphere nodes of said space truss structure;
Each said groove of the adjacent said sphere nodes of said steel wire penetrating is sheathed on the periphery of said sphere nodes;
With bending of said wire rope, and bind round part banding kink bottom formation one through one first and tighten up the hole in distance first end a distance;
After second end of said wire rope passed the through hole of offering on the hanger of said suspension centre down, buckle the hole of tightening up that is connected said wire rope first end with a coupling bar through a U type.
The tie point of above-mentioned wire rope and said suspension centre down is along the said axle center symmetric arrangement of suspension centre down.
Above-mentioned suspension centre down comprises that a sleeve and is fixed with the pallet of a plurality of hangers, and the bottom of said sleeve is connected with the top of said pallet rotationally;
Will be once suspension centre be connected under the said steel strand in the step: said sleeve is connected in said steel strand;
Said through a plurality of wire rope with a said down suspension centre and a said space truss structure Connection Step in: said a plurality of wire rope are connected in respectively between the hanger and said sphere nodes of said pallet correspondingly.
Be fixed in said down suspension centre and be fixed in said suspension centre the present invention down, make it have following beneficial effect to be owing to adopted above technical scheme:
The combination of following suspension centre and a plurality of wire rope has realized the flexible hoisting of space truss structure; When make promoting space truss structure stressed more evenly; Compared to the rigid joint structure, the combination of following suspension centre and a plurality of wire rope has lighter quality and littler cost simultaneously; The depression that the otic placode medial surface forms is combined in wire line hitch between otic placode and the sphere nodes, and the U type is buckled the end that is used for fixing wire rope simultaneously, has realized the firmly sheathed of wire rope and sphere nodes.Offering of the U type groove of extension outer end up/down perforation; Make it possible to directly steel strand snapped in the quick location of realizing steel strand in the U type groove from promoting the beam end outer end; Thereby, reduced steel strand the difficulty of construction when being installed; And need not the lifting appliance of superelevation type, reduced the construction cost of engineering.Promote the employing of the leading truck of back portion, realized effective guiding and location, guaranteed the neat and artistic of jack operate as normal and job site the steel strand that pass gathering sill.Sleeve is connected with pallet has rotationally realized a kind of suspender that in promoting the rack process, can guarantee upper steel twisted wire maintenance stable state; The cooperation of ball pivot and ball pivot seat; Realized that pallet and sleeve can carry out multidirectionally freely rotating; Make that the steel strand on suspension centre top remain stable vertical state down, prevent steel strand, guaranteed that rack promotes the safety of construction owing to rock and issuable fracture.
Description of drawings
Fig. 1 is used for the flow chart of the flexible hoisting method of space truss structure for the present invention;
Fig. 2 is used for the system architecture sketch map of the flexible hoisting method of space truss structure for the present invention;
Fig. 3 is used for the plan structure sketch map of following suspension centre pallet of the flexible hoisting method of space truss structure for the present invention;
Fig. 4 is used for the following suspension centre lateral section structural representation of the flexible hoisting method of space truss structure for the present invention;
Fig. 5 is used for the following suspension centre and the external network syndeton sketch map of the flexible hoisting method of space truss structure for the present invention;
Fig. 6 is used for wire rope and the syndeton sketch map of external network sphere nodes of the flexible hoisting method of space truss structure for the present invention;
Fig. 7 is used for the leading truck side-looking structural representation of the flexible hoisting method of space truss structure for the present invention;
Fig. 8 is used for the plan structure sketch map of lifting beam of the flexible hoisting method of space truss structure for the present invention;
Fig. 9 buckles and wire rope syndeton sketch map for the U type that the present invention is used for the flexible hoisting method of space truss structure.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further.
See also Fig. 1, Fig. 2, Fig. 5, a kind of flexible hoisting method that is used for space truss structure of the present invention comprises the steps:
At first, a top is installed stretches out and forms the lifting support 2 of extension 221 at the top of structural column 1;
Then, at the top that promotes support 2 one jack 3 is installed, and is offered the locating hole 222 of a up/down perforation at extension 221;
It is other that one leading truck 7 is fixed in the jack 3 that promotes beam 22 tops;
The steel strand 4 on jack 3 tops are penetrated in the gathering sill 721 at leading truck 7 tops.
Then, the steel strand 4 with complex root and jack 3 transmissions penetrate in the locating hole 222;
Then, will be once suspension centre 5 be connected in steel strand 4 times, and be in transmission connection and be suspended in locating hole 222 belows through steel strand 4 and jack 3;
Then, will descend suspension centre 5 to be connected through a plurality of wire rope 54 with a space truss structure 6;
Start jack, promote said space truss structure.
See also Fig. 8, wherein, form the U-shaped groove of a up/down perforation and a pin rod worn in a pair of through hole that the two side of being fixed in U type slot opening end forms through outer end and form locating hole 222 at extension 221.
See also Fig. 6, Fig. 9, will descend suspension centre 5 and a space truss structure 6 Connection Steps further to comprise through a plurality of wire rope 54:
Fixing a plurality of medial surfaces offer the otic placode 8 of groove 81 on the same circumference of the sphere nodes 61 of space truss structure 6;
Each groove 81 that wire rope 54 is passed adjacent sphere nodes 61 is sheathed on the periphery of sphere nodes 61;
With bending of wire rope 54, and bind round part 55 banding kink bottoms formation one through one first and tighten up hole 541 in distance first end a distance;
After second end of wire rope 54 passed down the through hole of offering on the hanger 521 of suspension centre 5, through a U type buckle 56 be connected wire rope first end with a coupling bar 57 tighten up hole 541.
Wherein the tie point of wire rope 54 and following suspension centre 5 is along the axle center symmetric arrangement of following suspension centre 5.
See also Fig. 2; Promote support 21 comprise two be vertically installed in structural column 1 top column 21, be anchored on two columns, 21 tops and the lifting beam 22 and that forms an extension 221 that stretches out tiltedly is located at the pull bar 23 between two columns 21, pull bar 23 has strengthened promoting the structural stability of support 2; Extension 221 forms the locating hole 222 of a up/down perforation, and steel strand 4 are arranged in the locating hole 222.
See also Fig. 3, Fig. 4, Fig. 5, following suspension centre 5 comprises that a sleeve 51 and is fixed with the pallet 52 of a plurality of hangers 521, and sleeve 51 tops are connected with steel strand 4, and the bottom of sleeve 51 is connected with the top of pallet 52 rotationally; 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 cooperates ball pivot 522 to form a ball pivot seat 511, and ball pivot 522 is incorporated in the ball pivot seat 511.A plurality of hangers 521 are fixed between nose bar 524 and the base 523 along nose bar 524 symmetric arrangement ground and are provided with through hole.Suspension centre 5 is connected in 4 times steps of steel strand inciting somebody to action: sleeve 51 is connected in steel strand 4;
In will descend suspension centre 5 and a space truss structure 6 Connection Steps through a plurality of wire rope 54: a plurality of wire rope 54 are connected in respectively between the hanger 521 and sphere nodes 61 of pallet 52 correspondingly.
See also Fig. 1, Fig. 7, leading truck 7 comprises that a backboard 72 and two laterally arranges and is fixed in 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 following suspension centre 5 and a plurality of wire rope 54 has realized the flexible hoisting of space truss structure 6; When make promoting space truss structure 6 space truss structure 6 stressed more evenly; Compared to the rigid joint structure, the combination of following suspension centre 5 and a plurality of wire rope 54 has lighter quality and littler cost simultaneously; Curved surface that otic placode 8 medial surfaces form and depression 81 are fastened on wire rope 54 between otic placode 8 and the sphere nodes 61, and the U type is buckled the end that is used for fixing wire rope 54 simultaneously, has realized the firmly sheathed of wire rope 54 second ends and sphere nodes 61.
More than combine accompanying drawing embodiment that the present invention is specified, those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details among the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (6)
1. a flexible hoisting method that is used for space truss structure is characterized in that, comprises the steps:
One top is installed at the top of structural column to stretch out and forms the lifting support of extension;
At the top of said lifting support one jack is installed, and is offered the locating hole of a up/down perforation at said extension;
Complex root and said very heavy top driven steel strand are penetrated in the said locating hole;
Will be once suspension centre be connected under the said steel strand, and be in transmission connection and be suspended in below the said locating hole through said steel strand and said jack;
Through a plurality of wire rope said suspension centre down is connected with a said space truss structure;
Start jack, promote said space truss structure.
2. the flexible hoisting method that is used for space truss structure as claimed in claim 1 is characterized in that: form the U-shaped groove of a up/down perforation and a pin rod worn in a pair of through hole that the two side of being fixed in said U type slot opening end forms through the outer end at said extension and form said locating hole.
3. according to claim 1 or claim 2 the flexible hoisting method that is used for space truss structure is characterized in that: further comprising the steps of:
One leading truck is fixed in by the said jack of said lifting back portion;
The said steel strand on said jack top are penetrated in the gathering sill at said leading truck top.
4. the flexible hoisting method that is used for space truss structure as claimed in claim 3 is characterized in that:
Saidly a said down suspension centre and a said space truss structure Connection Step are further comprised through a plurality of wire rope:
Fixing a plurality of medial surfaces are offered reeded otic placode on the same circumference of the sphere nodes of said space truss structure;
Each said groove of the adjacent said sphere nodes of said steel wire penetrating is sheathed on the periphery of said sphere nodes;
With bending of said wire rope, and bind round part banding kink bottom formation one through one first and tighten up the hole in distance first end a distance;
After second end of said wire rope passed the through hole of offering on the hanger of said suspension centre down, buckle the hole of tightening up that is connected said wire rope first end with a coupling bar through a U type.
5. the flexible hoisting method that is used for space truss structure as claimed in claim 4 is characterized in that: the tie point of said wire rope and said suspension centre down is along the said axle center symmetric arrangement of suspension centre down.
6. the flexible hoisting method that is used for space truss structure as claimed in claim 5 is characterized in that: said suspension centre down comprises that a sleeve and is fixed with the pallet of a plurality of hangers, and the bottom of said sleeve is connected with the top of said pallet rotationally;
Will be once suspension centre be connected under the said steel strand in the step: said sleeve is connected in said steel strand;
Said through a plurality of wire rope with a said down suspension centre and a said space truss structure Connection Step in: said a plurality of wire rope are connected in respectively between the hanger and said sphere nodes of said pallet 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102747839A true CN102747839A (en) | 2012-10-24 |
| CN102747839B CN102747839B (en) | 2014-12-24 |
Family
ID=47028302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256505.5A Active CN102747839B (en) | 2012-07-23 | 2012-07-23 | Flexible lifting method for space truss structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102747839B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912854A (en) * | 2012-11-09 | 2013-02-06 | 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 |
| CN104060844A (en) * | 2014-04-30 | 2014-09-24 | 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 |
| CN115075399A (en) * | 2022-08-04 | 2022-09-20 | 上海市机械施工集团有限公司 | Active unloading method |
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 | Large-scale structure integral hositing device and method |
| 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 |
-
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 | Large-scale structure integral hositing device and method |
| 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 |
|---|
| 曾令权等: "潮汕机场航站楼钢屋盖整体提升技术", 《施工技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912854A (en) * | 2012-11-09 | 2013-02-06 | 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 |
| CN104060844A (en) * | 2014-04-30 | 2014-09-24 | 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 |
| CN115075399A (en) * | 2022-08-04 | 2022-09-20 | 上海市机械施工集团有限公司 | Active unloading method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102747839B (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102747839A (en) | Flexible lifting method for space truss structure | |
| CN104278637B (en) | A kind of main rope of suspension bridge strand is without the cableway erection method in cat road | |
| CN202080812U (en) | Dedicated sling system for large-scaled reinforcing cage | |
| CN105780658B (en) | A kind of Spatial Cable face structural cables system is laterally to pulling method | |
| CN205188797U (en) | Concrete tied arch bridge jib casts anchor and holds connection structure | |
| CN102674136A (en) | Lifting method for large-scale tower equipment | |
| CN110143525A (en) | A kind of deck unit erection gantry for having wide-angle and swinging shifting and climbing capacity | |
| CN206126654U (en) | Adopt double -deck balance beam hoist of prestress wire hoist and mount large -tonnage component | |
| CN105776011B (en) | Blast furnace roof crane girder installation method | |
| CN109853393A (en) | A kind of the hanging cable construction system and its construction method of king-tower vertical transfer cable-stayed bridge | |
| CN205527302U (en) | Steel reinforcement cage hoisting accessory | |
| CN103950841A (en) | Auxiliary hoisting device for outer-side cross arms of crank arm of wine glass type ultrahigh-voltage transmission line iron tower | |
| CN203922551U (en) | For the winch pulley guide frame of aloft work | |
| CN206969997U (en) | The hanging apparatus of girder steel | |
| CN106495026B (en) | Construction tower crane temporarily builds attachment | |
| CN204199188U (en) | A kind of head tower vertical turning lifting mechanism | |
| CN203007811U (en) | Novel arrangement structure of main cables of suspension bridge | |
| CN206758939U (en) | A kind of hydraulic elevation type crossing frame | |
| CN215366850U (en) | A installing the system for cable-stay bridge suspension cable outer tube | |
| CN104612051B (en) | Suspender anchoring structure | |
| CN204079226U (en) | A kind of movable beam string hanging apparatus that can increase rigidity when tubular truss lifts | |
| CN203632094U (en) | Anti-wire-jumping stringing spanning frame | |
| CN207986539U (en) | A kind of deck unit erection gantry for having wide-angle and swinging shifting and climbing capacity | |
| CN105480873A (en) | Support bar amplitude variation rotating mechanism of non-shutdown high-speed rail spanning device | |
| CN106223616B (en) | A kind of method with unbonded reinforcement lifting roundstone column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |