CN102303810A - Method for hoisting irregular solid stone - Google Patents
Method for hoisting irregular solid stone Download PDFInfo
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- CN102303810A CN102303810A CN201110249716A CN201110249716A CN102303810A CN 102303810 A CN102303810 A CN 102303810A CN 201110249716 A CN201110249716 A CN 201110249716A CN 201110249716 A CN201110249716 A CN 201110249716A CN 102303810 A CN102303810 A CN 102303810A
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Abstract
The invention discloses a method for hoisting an irregular solid stone. The method comprises the following steps of: building a three-dimensional model; selecting a hoist point; determining a suspension point; selecting a rope; and hoisting. According the method, the three-dimensional mode is built, the hoist point and the suspension point are pre-selected in three-dimensional software, a corresponding point is determined on an object, and the object is connected by using a sling and hoisted by means of a crane; during hoisting, the stone can keep in a balanced state and is prevented from swinging, adjustment to an installation position in the high altitude is facilitated, and the positioning is easy when the stone is installed at a specified position, so the installation difficulty is effectively reduced, and the installation efficiency of the stone is greatly improved.
Description
Technical field
The invention belongs to the hoisting engineering technical field, specifically, particularly a kind of hanging method of solid irregular stone material.
Background technology
At present, the installation of the irregular stone material of large-scale solid all need just can be carried out by hoisting crane.Lifting mode commonly used is that pocket is hung method, that is: form net with many hoist cables stone material is caught, and this net draws knotting in above stone material, and is suspended on the hook of hoisting crane, through the rotation of the big arm of hoisting crane the stone material handling is installed to specific place.Adopt in the process of pocket extension method lifting stone material, stone material waves easily, and the location is difficult when being installed to assigned address like this, has not only increased mounting hardness, and has wasted time and energy, and the efficient of installation is comparatively low.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of hanging method of solid irregular stone material, waves in the process of lifting to prevent stone material.
Technical scheme of the present invention is following: a kind of hanging method of solid irregular stone material is characterized in that comprising following steps:
1) sets up 3D modelling: utilize spatial digitizer that the stone material multi-angle is taken pictures, carry out data acquisition, and, in the three-dimensional software of computing machine, set up and the corresponding 3D modelling of stone material with the data importing computing machine that collects;
2) select suspension centre:
A. in three-dimensional software, finding the horizontal projection of 3D modelling, is that circle is drawn in the center of circle with the horizontal projection point of 3D modelling center of gravity, seeks maximum radius, and the remote point of getting maximum radius is made as first D;
B. on the horizontal projection of 3D modelling, seek second radius and the 3rd radius; The angle of second radius and maximum radius is 120 degree; The angle of the 3rd radius and maximum radius is 240 degree, and the remote point of getting second radius is made as second E, and the remote point of the 3rd radius is made as thirdly F;
C. with first point, second with thirdly be mapped to the upper surface of 3D modelling respectively, the mapping point of gained is a suspension centre;
3) confirm hitch point: directly over the selection 3D modelling focus point is hitch point A a bit, utilizes formula
Calculate the coordinate of hitch point, in the formula with respect to horizontal plane
4) choosing rope lifting:
A. on stone material, confirm three suspension centres, directly over the stone material center of gravity, confirm hitch point simultaneously, the point of selecting in said suspension centre and hitch point and the 3D modelling is corresponding one by one;
B. at three suspension centre place mounting end accessories of stone material, the hitch point place also is provided with end fitting, and the end fitting at three suspension centre places is connected with the end fitting at hitch point place through hoist cable respectively, and the end fitting at hitch point place is hung on the hook of hoisting crane;
C. through hoisting crane stone material is sling, and hung and deliver to the target location, install then, after the completion to be installed, take off end fitting and hoist cable gets final product.
Beneficial effect: the present invention is through the three-dimensional data modeling; In three-dimensional software, choose suspension centre and hitch point in advance; On material object, confirm cooresponding point again, lift by hoisting crane after connecting with hoist cable, in the hoisting process; Stone material can keep state of equilibrium; When avoiding waving, help adjusting the installation site in the air, and the location is easily when being installed to assigned address at height; Thereby effectively reduce mounting hardness, improved the efficient that stone material is installed greatly.
Description of drawings
Fig. 1 chooses the scheme drawing of maximum radius, second radius and the 3rd radius for the present invention.
Fig. 2 chooses the scheme drawing of hitch point for the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Embodiment
The present invention goes for that various volumes are bigger, the lifting of solid stone in irregular shape, and the lifting step is undertaken by following:
1) sets up 3D modelling: after having confirmed frame of axis and scanning movement; The position of reserving in advance; Utilize spatial digitizer that the stone material multi-angle is taken pictures; Carry out data acquisition; And with the data importing computing machine that collects, texture is pasted in modeling in the three-dimensional software (like autocad) of computing machine; Generate and the corresponding 3D modelling of stone material through playing up, and can confirm the center of gravity of 3D modelling through three-dimensional software;
2) select the suspension centre (see figure 1):
A. in three-dimensional software, finding the horizontal projection of 3D modelling, is that circle is drawn in the center of circle with the horizontal projection point C of 3D modelling center of gravity, seeks maximum radius, and the remote point of getting maximum radius is made as first D;
B. on the horizontal projection of 3D modelling, seek second radius and the 3rd radius; The angle of second radius and maximum radius is 120 degree; The angle of the 3rd radius and maximum radius is 240 degree, and the remote point of getting second radius is made as second E, and the remote point of the 3rd radius is made as thirdly F;
C. with first point, second with thirdly be mapped to the upper surface of 3D modelling respectively, the mapping point of gained is a suspension centre;
3) confirm the hitch point (see figure 2):
Directly over the selection 3D modelling focus point is hitch point A a bit.For guaranteeing the state of equilibrium of space structure, hitch point A and center of gravity subpoint C are on a plumb line.Therefore, the plane coordinates x of hitch point A, y is consistent with the coordinate of center of gravity subpoint C, and 3 liftings in space problem equilibrium state problem just can be converted into the vertical coordinate problem of asking A to order.
If
DAC=
,
EAC=
,
FAC=
, AD=
l 1,AE=
l 2, AF=
l 3,, know according to mechanical balance and compatibility of deformation
,
Order
f（z）=l
l
sin
βcos
β+?l
l
sin
γcos
γ-?l
l
l
sinβcosβsinγcosγ-
l
l
sin
αcos
α
In the formula
Will be at z=z
KThe place launches
The iteration form does
Can calculate the coordinate of hitch point through above formula with respect to horizontal plane;
After the A point selection, from 3D modelling, check model, see that AD, AE, AF and stone material have or not joining, if do not have, just selected this point; If joining (after considering that hoist cable and stone material intersect, bigger to the hoist cable wearing and tearing, and stress system changes) is arranged, suspension centre is reselected, and system of selection is that to get the bisector of angle DCE be D1 point (three the line principle is to be mutually 120 to spend), and the like;
4) choosing rope lifting:
A. on stone material, confirm three suspension centres, directly over the stone material center of gravity, confirm hitch point simultaneously, the point of selecting in said suspension centre and hitch point and the 3D modelling is corresponding one by one;
B. at three suspension centre place mounting end accessories of stone material, the hitch point place also is provided with end fitting, and the end fitting at three suspension centre places is connected with the end fitting at hitch point place through hoist cable respectively, and the end fitting at hitch point place is hung on the hook of hoisting crane;
C. through hoisting crane stone material is sling, and hung and deliver to the target location, install then, after the completion to be installed, take off end fitting and hoist cable gets final product.
Claims (1)
1. the hanging method of a solid irregular stone material is characterized in that comprising following steps:
1) sets up 3D modelling: utilize spatial digitizer that the stone material multi-angle is taken pictures, carry out data acquisition, and, in the three-dimensional software of computing machine, set up and the corresponding 3D modelling of stone material with the data importing computing machine that collects;
2) select suspension centre:
A. in three-dimensional software, finding the horizontal projection of 3D modelling, is that circle is drawn in the center of circle with the horizontal projection point of 3D modelling center of gravity, seeks maximum radius, and the remote point of getting maximum radius is made as first D;
B. on the horizontal projection of 3D modelling, seek second radius and the 3rd radius; The angle of second radius and maximum radius is 120 degree; The angle of the 3rd radius and maximum radius is 240 degree, and the remote point of getting second radius is made as second E, and the remote point of the 3rd radius is made as thirdly F;
C. with first point, second with thirdly be mapped to the upper surface of 3D modelling respectively, the mapping point of gained is a suspension centre;
3) confirm hitch point: directly over the selection 3D modelling focus point is hitch point A a bit, utilizes formula
Calculate the coordinate of hitch point, in the formula with respect to horizontal plane
4) choosing rope lifting:
A. on stone material, confirm three suspension centres, directly over the stone material center of gravity, confirm hitch point simultaneously, the point of selecting in said suspension centre and hitch point and the 3D modelling is corresponding one by one;
B. at three suspension centre place mounting end accessories of stone material, the hitch point place also is provided with end fitting, and the end fitting at three suspension centre places is connected with the end fitting at hitch point place through hoist cable respectively, and the end fitting at hitch point place is hung on the hook of hoisting crane;
C. through hoisting crane stone material is sling, and hung and deliver to the target location, install then, after the completion to be installed, take off end fitting and hoist cable gets final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110249716 CN102303810B (en) | 2011-08-29 | 2011-08-29 | Method for hoisting irregular solid stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110249716 CN102303810B (en) | 2011-08-29 | 2011-08-29 | Method for hoisting irregular solid stone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303810A true CN102303810A (en) | 2012-01-04 |
| CN102303810B CN102303810B (en) | 2013-07-31 |
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| CN 201110249716 Expired - Fee Related CN102303810B (en) | 2011-08-29 | 2011-08-29 | Method for hoisting irregular solid stone |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616648A (en) * | 2012-04-10 | 2012-08-01 | 中联重科股份有限公司 | Hanger and arrangement method thereof |
| CN102942109A (en) * | 2012-12-07 | 2013-02-27 | 中国建筑第八工程局有限公司 | Hoisting method of multiple profiled prefabricated parts by sharing a lifting rope |
| CN103754747A (en) * | 2014-02-11 | 2014-04-30 | 武汉理工大学 | Arranging method for large-scale segmental hoisting secure lifting rope of ship body |
| 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 |
| CN106528960A (en) * | 2016-10-19 | 2017-03-22 | 珠海格力电器股份有限公司 | Method for determining gravity center of assembly body with asymmetric structure based on finite element theories and hoisting design method |
| CN112308902A (en) * | 2020-10-29 | 2021-02-02 | 东风汽车股份有限公司 | Method for acquiring gravity center of object by combining three-dimensional scanning modeling with suspension method |
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| CN101323418A (en) * | 2008-07-25 | 2008-12-17 | 北京城建集团有限责任公司 | Huge deformed steel member single machine turnover hoisting method |
| CN101343016A (en) * | 2008-09-04 | 2009-01-14 | 林汉丁 | Constant lifting hanging force hanging method at high or low position of crane |
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2011
- 2011-08-29 CN CN 201110249716 patent/CN102303810B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101323418A (en) * | 2008-07-25 | 2008-12-17 | 北京城建集团有限责任公司 | Huge deformed steel member single machine turnover hoisting method |
| CN101343016A (en) * | 2008-09-04 | 2009-01-14 | 林汉丁 | Constant lifting hanging force hanging method at high or low position of crane |
Non-Patent Citations (4)
| Title |
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| 《陕西教育学院学报》 20070531 张雄 《用势能最小原理解决费马-斯坦勒尔问题》 第68-71页 1 第23卷, 第2期 * |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616648A (en) * | 2012-04-10 | 2012-08-01 | 中联重科股份有限公司 | Hanger and arrangement method thereof |
| CN102616648B (en) * | 2012-04-10 | 2015-02-11 | 中联重科股份有限公司 | Hanger and arrangement method thereof |
| CN102942109A (en) * | 2012-12-07 | 2013-02-27 | 中国建筑第八工程局有限公司 | Hoisting method of multiple profiled prefabricated parts by sharing a lifting rope |
| CN103754747A (en) * | 2014-02-11 | 2014-04-30 | 武汉理工大学 | Arranging method for large-scale segmental hoisting secure lifting rope of ship body |
| 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 |
| CN106528960A (en) * | 2016-10-19 | 2017-03-22 | 珠海格力电器股份有限公司 | Method for determining gravity center of assembly body with asymmetric structure based on finite element theories and hoisting design method |
| CN106528960B (en) * | 2016-10-19 | 2018-12-04 | 珠海格力电器股份有限公司 | The method and hoisting Design method of unsymmetric structure assembly center of gravity are determined based on finite element theory |
| CN112308902A (en) * | 2020-10-29 | 2021-02-02 | 东风汽车股份有限公司 | Method for acquiring gravity center of object by combining three-dimensional scanning modeling with suspension method |
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|---|---|
| CN102303810B (en) | 2013-07-31 |
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