CN103010954A - Multi-point hoisting method for heterogeneous prefabricated part - Google Patents
Multi-point hoisting method for heterogeneous prefabricated part Download PDFInfo
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- CN103010954A CN103010954A CN2012105210721A CN201210521072A CN103010954A CN 103010954 A CN103010954 A CN 103010954A CN 2012105210721 A CN2012105210721 A CN 2012105210721A CN 201210521072 A CN201210521072 A CN 201210521072A CN 103010954 A CN103010954 A CN 103010954A
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Abstract
The invention discloses a multi-point hoisting method for a heterogeneous prefabricated part. The method comprises the following steps: 1) establishing a model of the part by using finite element software and determining barycentric coordinates of the part; 2) selecting on the part a plurality of positions where great carrying capacity and small damage to the part are realized as hoisting positions of the part; 3) drawing a plumb line passing through the center of gravity of the part and selecting a suspension hook position on the plumb line, wherein an included angle between each line from the suspension hook position to the plurality of hoisting positions and a horizontal plane is greater than 45 degrees; and 4) manufacturing a lifting rope based on the selected suspension hook position and hoisting positions and successively connecting the lifting rope with the selected multiple hoisting positions and suspension hook position to hoist the part. According to the invention, the hoisting positions are arranged at the positions where great carrying capacity of the part is located, and uniform stress of the lifting rope is guaranteed when the part is being hoisted, i.e., the part is guaranteed to be horizontal while the structure of the part is prevented from damage.
Description
Technical field
The present invention refers in particular to a kind of special-shaped prefabricated components multipoint hoisting method about a kind of component hoisting method.
Background technology
For the member of regular shape, as long as be symmetrical arranged suspension centre, select the lifting rope of 4 equal in length to get final product.If but special-shaped component is still used this method, member is sling and must be tilted afterwards, can cause like this lifting and land that member damages in the process.In order to allow member keep levelness after slinging, way is to adopt 3 to 4 with lifting rope usually, and needs to adjust the length of 4 lifting ropes.The general method that adopts be 4 lifting ropes to the major general wherein 3 replace to manual chain hoist, adjust the modular level degree by adjusting manual chain hoist after member is sling.The drawback of way is that lifting moment member is still uneven like this, still can damage; Be difficult to simultaneously to adjust to all ropes stressed identical, the most extreme situation be wherein 3 stressed, 1 does not stress, and is a kind of damage to member so yet.
Summary of the invention
Because the problems referred to above the invention provides a kind of special-shaped prefabricated components multipoint hoisting method, may further comprise the steps:
1) sets up the model of described member with finite element software, determine the areal coordinates of described member;
2) choose large, less to the described component damage position of a plurality of bearing capacities at described member, as the hoisting point position of described member;
3) draw a plumb bob vertical by described center of gravity, choose a suspension hook point position at this plumb bob vertical, guarantee that the angle of the line of this suspension hook point and described a plurality of suspension centres of choosing and horizontal surface is all greater than 45 °;
4) based on above-mentioned suspension hook point position and the hoisting point position of choosing, make lifting rope, lifting rope is connected described a plurality of suspension centres of choosing and described suspension hook point, the described member of slinging successively.
Further, when choosing the position of described suspension centre, choose the corner location that is arranged symmetrically with at described member as the position of described suspension centre.
Further, choose a point at described plumb bob vertical, the line of this point and described a plurality of suspension centres and the angle of horizontal surface are all greater than 60 °, with this suspension hook point position as described member.
The special-shaped prefabricated components multipoint hoisting of the present invention method is arranged on the larger position of bearing capacity on the member with hoisting point position, when slinging member, has guaranteed the uniform stressed of lifting rope, has guaranteed that namely the level of member has guaranteed that again the structure of member is not impaired.
Description of drawings
Fig. 1 is the diagram of circuit of the special-shaped prefabricated components multipoint hoisting of the present invention method.
Fig. 2 is that the special-shaped prefabricated components multipoint hoisting of the present invention method is at the center of gravity schematic diagram of horizontality lower member.
Fig. 3 is the area schematic of the special-shaped prefabricated components multipoint hoisting method of the present invention suspension hook point under horizontality.
The specific embodiment
Cooperation is the diagram of circuit of the special-shaped prefabricated components multipoint hoisting of the present invention method referring to shown in Figure 1, may further comprise the steps:
1) cooperates referring to shown in Figure 2, set up the model of described member 10 with finite element software, determine center of gravity 20 coordinates of described member 10; As shown in Figure 2 be a preferred embodiment of the present invention, the structural representation of described member 10 under horizontality, this member 10 can be special-shaped components as shown in Figure 2, also can be the special-shaped components of other shapes.
2) cooperating referring to shown in Figure 3, is a preferred embodiment of the present invention, and with described member 10 levels lifting, described member 10 also can lift under other attitudes.Choose the larger position of a plurality of bearing capacities at described member 10, definite that this position is less to member 10 damages as the lifting point by checking, and this position is more convenient as the suspension centre operation, with the position of this position as the suspension centre 30 of described member 10;
When choosing the position of described suspension centre 30, choose the corner location that is arranged symmetrically with at described member 10 as the position of described suspension centre 30, so that the maximum internal force that described member 10 each several parts bear is minimum.
3) cooperate referring to shown in Figure 3, draw a plumb bob vertical by described center of gravity 20, choose the position of a suspension hook point 40 at this plumb bob vertical, guarantee that the angle of the line of this suspension hook point 40 and described a plurality of suspension centres 30 of choosing and horizontal surface is all greater than 45 °;
When the angle of the line of suspension hook point 40 and described a plurality of suspension centres 30 of choosing and horizontal surface during less than 45 °, after member 10 was sling, lifting rope component in the horizontal direction will surpass vertical force component, and member 10 is caused an additional load.When this additional load was too large, member 10 may be impaired, and therefore, the line of suspension hook point 40 and described a plurality of suspension centres 30 of choosing and the angle of horizontal surface can not be less than 45 °.
In a preferred embodiment of the present invention, the line of described suspension hook point 40 and described a plurality of suspension centres 30 of choosing and the angle of horizontal surface be all greater than 60 °, member 10 stressed the most reasonable.
4) based on the position of the above-mentioned suspension hook point of choosing 40 and the position of suspension centre 30, make lifting rope, lifting rope is connected described a plurality of suspension centres 30 of choosing and described suspension hook point 40, the described member of slinging successively.
The above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, in the scope that does not break away from technical solution of the present invention, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (3)
1. special-shaped prefabricated components multipoint hoisting method is characterized in that may further comprise the steps:
1) sets up the model of described member with finite element software, determine the areal coordinates of described member;
2) choose large, less to the described component damage position of a plurality of bearing capacities at described member, as the hoisting point position of described member;
3) draw a plumb bob vertical by described center of gravity, choose a suspension hook point position at this plumb bob vertical, guarantee that the angle of the line of this suspension hook point and described a plurality of suspension centres of choosing and horizontal surface is all greater than 45 °;
4) based on above-mentioned suspension hook point position and the hoisting point position of choosing, make lifting rope, lifting rope is connected described a plurality of suspension centres of choosing and described suspension hook point, the described member of slinging successively.
2. special-shaped prefabricated components multipoint hoisting method as claimed in claim 1 when it is characterized in that choosing the position of described suspension centre, is chosen the corner location that is arranged symmetrically with as the position of described suspension centre at described member.
3. special-shaped prefabricated components multipoint hoisting method as claimed in claim 1, it is characterized in that choosing a point at described plumb bob vertical, the line of this point and described a plurality of suspension centres and the angle of horizontal surface are all greater than 60 °, with this suspension hook point position as described member.
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| CN201210521072.1A CN103010954B (en) | 2012-12-07 | 2012-12-07 | Special-shaped prefabricated components multipoint hoisting method |
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| CN201210521072.1A CN103010954B (en) | 2012-12-07 | 2012-12-07 | Special-shaped prefabricated components multipoint hoisting method |
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| CN103010954A true CN103010954A (en) | 2013-04-03 |
| CN103010954B CN103010954B (en) | 2015-11-18 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354830A (en) * | 2014-10-24 | 2015-02-18 | 上海船厂船舶有限公司 | Hoisting method |
| CN105366531A (en) * | 2015-11-30 | 2016-03-02 | 中国北车集团大连机车车辆有限公司 | Disassembling, assembling and hoisting method for engine full-suspension drive device |
| CN105858436A (en) * | 2016-04-27 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | Method for fast determining hoisting position |
| CN106202799A (en) * | 2016-07-22 | 2016-12-07 | 惠生（南通）重工有限公司 | A kind of multipoint hoisting computational methods |
| CN104354830B (en) * | 2014-10-24 | 2017-01-04 | 上海船厂船舶有限公司 | Hoisting method |
| CN107239627A (en) * | 2017-06-14 | 2017-10-10 | 广东正业科技股份有限公司 | A kind of Hoisting Position determines method |
| CN112607580A (en) * | 2020-12-22 | 2021-04-06 | 湖北省大唐安盛建筑工程有限公司 | Steel ring reinforced flat car hoisting method |
| CN113501423A (en) * | 2021-07-23 | 2021-10-15 | 中建科工集团有限公司 | Hoisting method of huge special-shaped component |
| CN114476943A (en) * | 2022-01-26 | 2022-05-13 | 扬州大学 | Method for determining hoisting point of large wind power generation component |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354830A (en) * | 2014-10-24 | 2015-02-18 | 上海船厂船舶有限公司 | Hoisting method |
| CN104354830B (en) * | 2014-10-24 | 2017-01-04 | 上海船厂船舶有限公司 | Hoisting method |
| CN105366531A (en) * | 2015-11-30 | 2016-03-02 | 中国北车集团大连机车车辆有限公司 | Disassembling, assembling and hoisting method for engine full-suspension drive device |
| CN105858436A (en) * | 2016-04-27 | 2016-08-17 | 成都飞机工业（集团）有限责任公司 | Method for fast determining hoisting position |
| CN106202799A (en) * | 2016-07-22 | 2016-12-07 | 惠生（南通）重工有限公司 | A kind of multipoint hoisting computational methods |
| CN107239627A (en) * | 2017-06-14 | 2017-10-10 | 广东正业科技股份有限公司 | A kind of Hoisting Position determines method |
| CN112607580A (en) * | 2020-12-22 | 2021-04-06 | 湖北省大唐安盛建筑工程有限公司 | Steel ring reinforced flat car hoisting method |
| CN113501423A (en) * | 2021-07-23 | 2021-10-15 | 中建科工集团有限公司 | Hoisting method of huge special-shaped component |
| CN114476943A (en) * | 2022-01-26 | 2022-05-13 | 扬州大学 | Method for determining hoisting point of large wind power generation component |
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