CN107237502B - A kind of large-tonnage special-shaped component hoisting - Google Patents

A kind of large-tonnage special-shaped component hoisting Download PDF

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Publication number
CN107237502B
CN107237502B CN201710456868.6A CN201710456868A CN107237502B CN 107237502 B CN107237502 B CN 107237502B CN 201710456868 A CN201710456868 A CN 201710456868A CN 107237502 B CN107237502 B CN 107237502B
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CN
China
Prior art keywords
special
shaped component
component
male plug
lifting
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CN201710456868.6A
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Chinese (zh)
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CN107237502A (en
Inventor
安秀山
李亮
娄雅冬
赵克来
李强
刘正
黄陆思
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No 1 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
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No 1 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
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Priority to CN201710456868.6A priority Critical patent/CN107237502B/en
Publication of CN107237502A publication Critical patent/CN107237502A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements

Abstract

The invention discloses a kind of large-tonnage special-shaped component hoisting, step includes: 1) lifting lug welding;2) 4 wirerope are set on each lifting lug;3) male plug part is respectively provided in the bottom of the special-shaped component and two sides;4) parent part that the public card address in special-shaped component target location setting with the special-shaped component bottom matches;5) two vertical stakes are set at the two-end-point of the special-shaped component target position;6) crosshead is set up;7) it lifts;8) it vertically falls in component close to when the vertical stake, the construction personnel on crosshead assists the groove being inserted into the male plug part on component two sides in vertical stake;9) component continues to fall, and when close to the special-shaped component target location, construction personnel assists the groove that the male plug part on member bottom section is inserted into the special-shaped component target location;10) suspender is removed.The present invention substantially increases the stability and precision of lifting by the cooperation of the male plug part and parent part of setting.

Description

A kind of large-tonnage special-shaped component hoisting
Technical field
The present invention relates to a kind of large-tonnage special-shaped component hoistings.
Background technique
In the steel member installing area developed increasingly, the type of lifting components becomes huge and diversified, and lifting components are logical It is often anomalistic object, such component is complicated there is conversion operating condition during the installation process and lifts the numerous features of operating condition. Rationally safe component lifting technology path how is selected during the installation process, avoids lifting by crane in engineering in component and component is caused Damage is the difficult point of lifting technology.Especially for large-sized special-shaped component, after completing assembly on moulding bed at the scene, it usually needs two The assembled component finished is integrally hung ground by crane, then replaces suspension centre again, after so that component is gradually returned straight correction automatically, It just can be carried out subsequent normal lifting operation.During above-mentioned lifting, need using two cranes, and also deposited before lifting Straight step is returned in suspension centre displacement and starting board, will lead to installation period extension, installation cost rises.
Summary of the invention
Aiming at the problem that being previously mentioned, the present invention provides a kind of large-tonnage special-shaped component hoisting, step includes:
1) lifting lug welds
1.1 are evenly distributed lifting lug position according to the distribution of weight situation of special-shaped component;
If the distance of 1.2 any two lifting lugs is greater than 1~1.8m, lifting lug is welded between described two lifting lugs;
Weld lifting lug in the both ends of 1.3 special-shaped components;
2) in order to guarantee enough safety, 4 wirerope are set on each lifting lug;
3) it is respectively provided with male plug part in the bottom of the special-shaped component and two sides, the male plug part is cylinder, the cylinder The length of shape is 20~25cm;
4) the public card address in special-shaped component target location setting with the special-shaped component bottom matches Parent part, the parent part are groove, and the shape of the groove and the male plug part of the special-shaped component bottom match;
5) two vertical stakes, the inside setting of the vertical bar are set at the two-end-point of the special-shaped component target position Groove, the shape of the groove and the male plug part of the special-shaped component two sides match;
6) crosshead is set up
Crosshead is set up with scaffolding steel pipe, and guardrail must be had by setting up platform, there is safety belt hanging point, through safety verification qualification Rear can be used;
7) it lifts
It can be lifted by crane after everything in readiness, in lifting, the necessary synchronous hoisting of each suspension centre is impermissible for component in lifting There is biggish tilt phenomenon, need to slowly be lifted by crane when hanging, rise and stop 10~12min when hanging 200~260mm of moulding bed, observation is No to have abnormal conditions, whether each stress point has exception, and whether wirerope stress is uniform, without exception to hang up to desired height Or it turns over;
8) it vertically falls in component close to when the vertical stake, the construction personnel on crosshead assists will be on component two sides Male plug part is inserted into the groove in vertical stake, removes vertical stake after stopping 2~3min;
9) component continues to fall, and when close to the special-shaped component target location, construction personnel is assisted member bottom section On male plug part be inserted into the groove of the special-shaped component target location;
10) suspender is removed.
Preferred embodiment is: male plug part is concrete material.
Preferred embodiment is: guaranteeing the precision and construction safety of component installation using temporary support measure.
Preferred embodiment is: the inspection of internal structure, the inspection of wall thickness and the calculating of distribution of weight are carried out before lifting.
Preferred embodiment is: deepening drawing according to component and calculates the distribution of weight of component, then according to distribution of weight Situation is averaged the position of lifting lug, then carries out the assembly and welding of lifting lug.
Beneficial effects of the present invention are as follows:
1, it without various consumption investments such as the blanking of any components, wlding, gas consumption, flaw detection, greatlys save Production cost;
2, by the setting of the installation site of lifting lug, construction accuracy and safety are improved;
3, by the male plug part of setting and the cooperation of parent part, the stability and precision of lifting are substantially increased.
Specific embodiment
The present invention is described in further detail below, to enable those skilled in the art's refer to the instruction text being capable of evidence To implement.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of a other elements or combinations thereof.
Embodiment 1
A kind of large-tonnage special-shaped component hoisting is present embodiments provided, step includes:
1) lifting lug welds
1.1, which deepen drawing according to component, calculates the distribution of weight of component, is evenly distributed lifting lug position;
If the distance of 1.2 any two lifting lugs is greater than 1m, lifting lug is welded between described two lifting lugs;
Weld lifting lug in the both ends of 1.3 special-shaped components;
2) in order to guarantee enough safety, 4 wirerope are set on each lifting lug;
3) it is respectively provided with male plug part in the bottom of the special-shaped component and two sides, the male plug part is cylindrical concrete material Matter, the length of the cylinder are 20cm;
4) the public card address in special-shaped component target location setting with the special-shaped component bottom matches Parent part, the parent part are groove, and the shape of the groove and the male plug part of the special-shaped component bottom match;
5) two vertical stakes, the inside setting of the vertical bar are set at the two-end-point of the special-shaped component target position Groove, the shape of the groove and the male plug part of the special-shaped component two sides match;
6) crosshead is set up
Crosshead is set up with scaffolding steel pipe, and guardrail must be had by setting up platform, there is safety belt hanging point, through safety verification qualification Rear can be used, and guarantee the precision and construction safety of component installation using temporary support measure;
7) it lifts
The inspection of internal structure is carried out before lifting, the inspection of wall thickness and the calculating of distribution of weight are respectively hung in lifting The necessary synchronous hoisting of point, being impermissible for component has biggish tilt phenomenon in lifting, need to slowly lift by crane when hanging, rise and hang moulding bed 10min is stopped when 200mm, has seen whether abnormal conditions, whether each stress point has exception, and whether wirerope stress is uniform, It is without exception to hang up to desired height or turn;
8) it vertically falls in component close to when the vertical stake, the construction personnel on crosshead assists will be on component two sides Male plug part is inserted into the groove in vertical stake, removes vertical stake after stopping 2min;
9) component continues to fall, and when close to the special-shaped component target location, construction personnel is assisted member bottom section On male plug part be inserted into the groove of the special-shaped component target location;
10) suspender is removed.
Embodiment 2
A kind of large-tonnage special-shaped component hoisting is present embodiments provided, step includes:
1) lifting lug welds
1.1, which deepen drawing according to component, calculates the distribution of weight of component, is evenly distributed lifting lug position;
If the distance of 1.2 any two lifting lugs is greater than 1.8m, lifting lug is welded between described two lifting lugs;
Weld lifting lug in the both ends of 1.3 special-shaped components;
2) in order to guarantee enough safety, 4 wirerope are set on each lifting lug;
3) it is respectively provided with male plug part in the bottom of the special-shaped component and two sides, the male plug part is cylindrical concrete material Matter, the length of the cylinder are 25cm;
4) the public card address in special-shaped component target location setting with the special-shaped component bottom matches Parent part, the parent part are groove, and the shape of the groove and the male plug part of the special-shaped component bottom match;
5) two vertical stakes, the inside setting of the vertical bar are set at the two-end-point of the special-shaped component target position Groove, the shape of the groove and the male plug part of the special-shaped component two sides match;
6) crosshead is set up
Crosshead is set up with scaffolding steel pipe, and guardrail must be had by setting up platform, there is safety belt hanging point, through safety verification qualification Rear can be used, and guarantee the precision and construction safety of component installation using temporary support measure;
7) it lifts
The inspection of internal structure is carried out before lifting, the inspection of wall thickness and the calculating of distribution of weight are respectively hung in lifting The necessary synchronous hoisting of point, being impermissible for component has biggish tilt phenomenon in lifting, need to slowly lift by crane when hanging, rise and hang moulding bed 12min is stopped when 260mm, has seen whether abnormal conditions, whether each stress point has exception, and whether wirerope stress is uniform, It is without exception to hang up to desired height or turn;
8) it vertically falls in component close to when the vertical stake, the construction personnel on crosshead assists will be on component two sides Male plug part is inserted into the groove in vertical stake, removes vertical stake after stopping 3min;
9) component continues to fall, and when close to the special-shaped component target location, construction personnel is assisted member bottom section On male plug part be inserted into the groove of the special-shaped component target location;
10) suspender is removed.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and shown here as.

Claims (5)

1. a kind of large-tonnage special-shaped component hoisting, which is characterized in that step includes:
1) lifting lug welds
1.1 are evenly distributed lifting lug position according to the distribution of weight situation of special-shaped component;
If the distance of 1.2 any two lifting lugs is greater than 1~1.8m, lifting lug is welded between described two lifting lugs;
Weld lifting lug in the both ends of 1.3 special-shaped components;
2) in order to guarantee enough safety, 4 wirerope are set on each lifting lug;
3) it is respectively provided with male plug part in the bottom of the special-shaped component and two sides, the male plug part is cylinder, the cylinder Length is 20~25cm;
4) parent part that the public card address in special-shaped component target location setting with the special-shaped component bottom matches, The parent part is groove, and the shape of the groove and the male plug part of the special-shaped component bottom match;
5) two vertical stakes are set at the two-end-point of the special-shaped component target position, and the inside setting of the vertical stake is recessed Slot, the shape of the groove and the male plug part of the special-shaped component two sides match;
6) crosshead is set up
Crosshead is set up with scaffolding steel pipe, and guardrail must be had by setting up platform, there is safety belt hanging point, through safety verification qualification rear It can be used;
7) it lifts
Can be lifted by crane after everything in readiness, lifting when, each suspension centre must synchronous hoisting, be impermissible for component lifting when have compared with Big tilt phenomenon need to be lifted by crane slowly when hanging, and risen and stopped 10~12min when hanging 200~260mm of moulding bed, seen whether Whether abnormal conditions, each stress point have exception, and whether wirerope stress is uniform, without exception to hang up to desired height or turn over Body;
8) it vertically falls in component close to when the vertical stake, the construction personnel on crosshead assists the male plug on component two sides Part is inserted into the groove in vertical stake, removes vertical stake after stopping 2~3min;
9) component continues to fall, and when close to the special-shaped component target location, construction personnel assists will be on member bottom section Male plug part is inserted into the groove of the special-shaped component target location;
10) suspender is removed.
2. large-tonnage special-shaped component hoisting according to claim 1, which is characterized in that male plug part is concrete material Matter.
3. large-tonnage special-shaped component hoisting according to claim 1, which is characterized in that protected using temporary support measure Demonstrate,prove the precision and construction safety of component installation.
4. large-tonnage special-shaped component hoisting according to claim 1, which is characterized in that carry out internal junction before lifting The inspection of structure, the inspection of wall thickness and the calculating of distribution of weight.
5. large-tonnage special-shaped component hoisting according to claim 4, which is characterized in that deepen drawing pair according to component The distribution of weight of component is calculated, and is then averaged the position of lifting lug according to distribution of weight situation, then carry out lifting lug assembly and Welding.
CN201710456868.6A 2017-06-16 2017-06-16 A kind of large-tonnage special-shaped component hoisting Active CN107237502B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710456868.6A CN107237502B (en) 2017-06-16 2017-06-16 A kind of large-tonnage special-shaped component hoisting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710456868.6A CN107237502B (en) 2017-06-16 2017-06-16 A kind of large-tonnage special-shaped component hoisting

Publications (2)

Publication Number Publication Date
CN107237502A CN107237502A (en) 2017-10-10
CN107237502B true CN107237502B (en) 2019-03-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7712270B2 (en) * 2007-01-16 2010-05-11 Guevremont Clement Building panel
CN102505860B (en) * 2011-10-21 2013-01-02 温州建设集团有限公司 Novel Lifting method for irregularly-shaped steel structure member
CN104631837A (en) * 2014-12-08 2015-05-20 永升建设集团有限公司 Method for installing and constructing special-shaped large-tonnage steel castings

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