CN114517586A - Method for adjusting position deviation in steel structure lifting process - Google Patents
Method for adjusting position deviation in steel structure lifting process Download PDFInfo
- Publication number
- CN114517586A CN114517586A CN202210231921.3A CN202210231921A CN114517586A CN 114517586 A CN114517586 A CN 114517586A CN 202210231921 A CN202210231921 A CN 202210231921A CN 114517586 A CN114517586 A CN 114517586A
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- China
- Prior art keywords
- steel truss
- interface
- steel
- adjusting
- lifting process
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- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 149
- 239000010959 steel Substances 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 76
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 17
- 238000005299 abrasion Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of steel structure construction, and discloses a method for adjusting position deviation in a steel structure lifting process, which comprises the following specific steps: the method comprises the following steps: lifting inspection, wherein before lifting the steel truss to be installed, the interface of the steel truss to be installed is inspected, and then the interface of the installed steel truss is inspected; step two: installing an adjusting puller, wherein the adjusting puller is installed at the bottom of the steel truss to be installed, the length of four pull ropes extending downwards from the adjusting puller is long enough, and the tail ends of the four pull ropes are respectively held by four constructors; step three: and lifting the steel truss, and aligning the interface of the steel truss to be installed with the interface of the installed steel truss after the steel truss is inspected and installed. The method for adjusting the position deviation in the steel structure lifting process is convenient for adjusting the position of the steel truss in multiple directions, improves the efficiency of lifting and butting the steel structure, and ensures the smooth construction of the steel structure.
Description
Technical Field
The invention relates to the technical field of steel structure construction, in particular to a method for adjusting position deviation in a steel structure lifting process.
Background
The installation of the large-span structure usually adopts a hydraulic synchronous lifting construction process, when the lifting is about to be in place, the rod pieces of the supporting structure and the lifted structure need to be aligned, and whether the rod pieces can be aligned smoothly is the key of whether the truss lifting can be closed.
The patent number is CN113503047A, and discloses a method for adjusting high altitude position offset by traction in the lifting process of a steel structure, which comprises the steps of suspending a lifting section steel truss when the lifting section steel truss is to be lifted in place, tightening a chain block to return the lifting section steel truss to a normal position in the air, checking the gaps between a lower chord and the lower chord, and between the lower chord and the lower chord, and judging whether horizontal projection overlapping exists; and the lifter starts to work, and the lifter is alternately matched with the chain block for multiple times, so that the gaps between the lower chord and the lower chord, and between the lower chord and the lower chord meet the lifting requirement until the steel truss at the lifting section is lifted in place.
In the scheme, only a single chain block is adopted, and the position of the steel truss can be changed in the lifting process, so that the chain block can only be pulled towards the direction of one side, and the position of the steel truss can not be adjusted better, thereby reducing the efficiency of steel structure lifting butt joint.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for adjusting the position offset in the steel structure lifting process, which is convenient for adjusting the position of a steel truss in multiple directions, improves the efficiency of steel structure lifting butt joint, ensures the smooth proceeding of steel structure construction, and solves the problem that the position of the steel truss can not be well adjusted because the steel truss can be changed in the lifting process, the chain block can only be pulled towards one side, and the position of the steel truss can not be well adjusted, thereby reducing the efficiency of steel structure lifting butt joint.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a method for adjusting position deviation in a steel structure lifting process comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps of (1) lifting inspection, wherein before a steel truss to be installed is lifted, an interface of the steel truss to be installed is inspected, and then an interface of the installed steel truss is inspected, so that the interface of the steel truss to be installed and the interface of the installed steel truss are not damaged;
step two: installing an adjusting puller, wherein the adjusting puller is installed at the bottom of the steel truss to be installed, the length of a pull rope extending downwards from the adjusting puller is long enough, the number of the pull ropes at the bottom of the adjusting puller is four, the four pull ropes are arranged towards four different directions, and the tail ends of the four pull ropes are respectively held by four constructors;
Step three: lifting the steel truss, lifting the steel truss to be installed upwards after the steel truss to be installed is inspected and installed, enabling an interface of the steel truss to be installed to be aligned with an interface of the installed steel truss, when the interface of the steel truss to be installed is close to the interface of the installed steel truss, needing a fifth constructor to stand at the top of the installed steel truss to observe whether the interface of the steel truss to be installed is aligned with the interface of the installed steel truss or not, and informing four constructors on the ground after observing the inclination angle of the interface, enabling the four constructors to apply different external forces and adjust the inclination angle of the steel truss to be installed, enabling the interface of the steel truss to be installed to be aligned with the interface of the installed steel truss, and finally enabling the interface of the steel truss to be installed to be butted with the interface of the installed steel truss;
step four: and finally, checking, and ensuring that the butt joint is correct again by a fifth constructor after the butt joint of the steel truss to be installed and the joint of the installed steel truss is completed.
Preferably, in the first step, if the interface of the steel truss to be installed and the interface of the steel truss to be installed are damaged, a constructor is required to climb up to maintain the steel truss.
Preferably, in the second step, when the four constructors hold the pull rope by hands, the anti-abrasion gloves need to be worn.
Preferably, in the third step, in the lifting process, four constructors at the ends of the four pull ropes need to slightly apply external force, so that the steel truss to be installed is in a balanced state in the lifting process, and meanwhile, the steel truss to be installed can be prevented from colliding with the installed steel truss in the lifting process.
Preferably, in the third step, in the lifting process, when the steel truss to be installed is to reach the highest position, the lifting speed is reduced, and at the moment, the fifth constructor observes whether the connector of the steel truss to be installed is damaged or not, so that the steel truss to be installed is ensured to be not damaged in the lifting process.
Preferably, in the fourth step, when the interface is inspected, an edge of the interface may be warped or worn, and if the edge is warped or the degree of wear is not large, the interface is qualified in docking.
Preferably, the fifth constructor communicates with the other four constructors through interphones.
Preferably, the fifth constructor can be replaced by a camera for monitoring the butt joint process through the eye observation interface.
(III) advantageous effects
Compared with the prior art, the invention provides a method for adjusting the position offset in the lifting process of a steel structure, which has the following beneficial effects:
This method of adjustment offset in steel construction lifting process installs the adjustment through the bottom at waiting to install the steel truss and draws the ware, and the stay cord length that the adjustment drawn ware down-runs is enough long, and the bottom stay cord figure of adjustment drawing ware is four, and the end of four stay cords is handheld through four constructors respectively, can make to wait to install the steel truss and obtain quick effectual adjustment at the in-process position of promotion, can ensure the accurate butt joint of steel construction interface, has ensured going on smoothly of steel construction.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A method for adjusting position deviation in a steel structure lifting process comprises the following specific steps:
the method comprises the following steps: the lifting inspection, before lifting the steel truss to be installed, the interface of the steel truss to be installed is inspected, and then the interface of the installed steel truss is inspected, so that the interface of the steel truss to be installed and the interface of the installed steel truss are ensured to be free of damage;
Step two: installing an adjusting puller, wherein the adjusting puller is installed at the bottom of the steel truss to be installed, the length of a pull rope extending downwards from the adjusting puller is long enough, the number of the pull ropes at the bottom of the adjusting puller is four, the four pull ropes are arranged towards four different directions, and the tail ends of the four pull ropes are respectively held by four constructors;
step three: lifting the steel truss, lifting the steel truss to be installed upwards after the steel truss to be installed is inspected and installed, enabling the interface of the steel truss to be installed to be aligned with the interface of the installed steel truss, when the interface of the steel truss to be installed is close to the interface of the installed steel truss, needing a fifth constructor to stand at the top of the installed steel truss to observe whether the interface of the steel truss to be installed is aligned with the interface of the installed steel truss or not, and enabling the fifth constructor to apply different external forces and adjust the inclination angles of the steel truss to be installed after observing the inclination angles of the interfaces and inform four constructors on the ground, enabling the interface of the steel truss to be installed to be aligned with the interface of the installed steel truss, and finally enabling the interface of the steel truss to be installed to be in butt joint with the interface of the installed steel truss;
step four: and finally, checking, and ensuring that the butt joint is correct again by a fifth constructor after the butt joint of the steel truss to be installed and the joint of the installed steel truss is completed.
And in the first step, if the interface of the steel truss to be installed and the interface of the steel truss to be installed are damaged, the constructor is required to climb up to maintain.
And in the second step, when the four constructors hold the pull rope by hands, the anti-abrasion gloves need to be worn.
In the lifting process in the third step, four constructors at the tail ends of the four pull ropes need to slightly apply external force, so that the steel truss to be installed is in a balanced state in the lifting process, and meanwhile, the steel truss to be installed can be prevented from colliding with the installed steel truss in the lifting process.
In the third step, in the lifting process, when the steel truss to be installed is to reach the highest position, the lifting speed is reduced, and at the moment, the fifth constructor observes whether the interface of the steel truss to be installed is damaged or not, so that the steel truss to be installed is ensured to be not damaged in the lifting process.
In the fourth step, when the interface is checked, the phenomenon of edge warping or abrasion of the interface can occur, and if the edge warping or the abrasion degree is not large, the interface is qualified in butt joint.
The fifth constructor communicates with the other four constructors through the interphones.
And a fifth constructor can be replaced by a camera for monitoring through the butt joint process of the eye observation interface.
In conclusion, according to the method for adjusting the position deviation in the steel structure lifting process, when the method is used, the adjusting puller is installed at the bottom of the steel truss to be installed, the length of the pull rope extending downwards from the adjusting puller is long enough, the number of the pull ropes at the bottom of the adjusting puller is four, the tail ends of the four pull ropes are respectively held by four constructors, so that the position of the steel truss to be installed in the lifting process can be quickly and effectively adjusted, accurate butt joint of a steel structure interface can be ensured, and smooth steel structure construction is ensured.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method for adjusting position deviation in a steel structure lifting process is characterized by comprising the following specific steps:
the method comprises the following steps: the method comprises the following steps of (1) lifting inspection, wherein before a steel truss to be installed is lifted, an interface of the steel truss to be installed is inspected, and then an interface of the installed steel truss is inspected, so that the interface of the steel truss to be installed and the interface of the installed steel truss are not damaged;
Step two: installing an adjusting puller, wherein the adjusting puller is installed at the bottom of the steel truss to be installed, the length of a pull rope extending downwards from the adjusting puller is long enough, the number of the pull ropes at the bottom of the adjusting puller is four, the four pull ropes are arranged towards four different directions, and the tail ends of the four pull ropes are respectively held by four constructors;
step three: lifting the steel truss, lifting the steel truss to be installed upwards after the steel truss to be installed is inspected and installed, enabling an interface of the steel truss to be installed to be aligned with an interface of the installed steel truss, when the interface of the steel truss to be installed is close to the interface of the installed steel truss, needing a fifth constructor to stand at the top of the installed steel truss to observe whether the interface of the steel truss to be installed is aligned with the interface of the installed steel truss or not, and informing four constructors on the ground after observing the inclination angle of the interface, enabling the four constructors to apply different external forces and adjust the inclination angle of the steel truss to be installed, enabling the interface of the steel truss to be installed to be aligned with the interface of the installed steel truss, and finally enabling the interface of the steel truss to be installed to be butted with the interface of the installed steel truss;
step four: and finally, checking, and ensuring that the butt joint is correct again by a fifth constructor after the butt joint of the interface of the steel truss to be installed and the interface of the installed steel truss is completed.
2. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: and in the first step, if the interface of the steel truss to be installed and the interface of the steel truss to be installed are damaged, the constructor is required to climb up to maintain.
3. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: and in the second step, when the four constructors hold the pull rope by hands, the constructors need to wear the anti-abrasion gloves.
4. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: in the lifting process in the third step, four constructors at the tail ends of the four pull ropes need to slightly apply external force, so that the steel truss to be installed is in a balanced state in the lifting process, and meanwhile, the steel truss to be installed can be prevented from colliding with the installed steel truss in the lifting process.
5. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: in the third step, in the lifting process, when the steel truss to be installed is to reach the highest position, the lifting speed is reduced, and at the moment, a fifth constructor observes whether the connector of the steel truss to be installed is damaged or not, so that the steel truss to be installed is ensured to be not damaged in the lifting process.
6. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: in the fourth step, when the interface is checked, the phenomenon of edge warping or abrasion of the interface can occur, and if the edge warping or the abrasion degree is not large, the interface is qualified in butt joint.
7. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: and the fifth constructor communicates with the other four constructors through the interphones.
8. The method for adjusting the position deviation in the steel structure lifting process according to claim 1, wherein: and the fifth constructor can be replaced by a camera for monitoring through the butt joint process of the eye observation interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231921.3A CN114517586A (en) | 2022-03-10 | 2022-03-10 | Method for adjusting position deviation in steel structure lifting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231921.3A CN114517586A (en) | 2022-03-10 | 2022-03-10 | Method for adjusting position deviation in steel structure lifting process |
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| Publication Number | Publication Date |
|---|---|
| CN114517586A true CN114517586A (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210231921.3A Pending CN114517586A (en) | 2022-03-10 | 2022-03-10 | Method for adjusting position deviation in steel structure lifting process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008034165A1 (en) * | 2006-09-20 | 2008-03-27 | Innovative Construction Techniques Pty Ltd | A system for erecting and holding roof trusses |
| CN102953553A (en) * | 2012-11-14 | 2013-03-06 | 中冶天工集团有限公司 | Method for mounting large-span pipe truss by using boom luffing mechanism |
| CN107989380A (en) * | 2016-10-27 | 2018-05-04 | 中交三航局第三工程有限公司 | Steel truss gallery hydraulic synchronizing lifting construction technique |
| CN113503047A (en) * | 2021-07-31 | 2021-10-15 | 中冶(上海)钢结构科技有限公司 | Method for adjusting high-altitude position offset by traction in steel structure lifting process |
| CN113685040A (en) * | 2021-08-25 | 2021-11-23 | 中电建十一局工程有限公司 | Large-span steel truss hoisting construction method |
-
2022
- 2022-03-10 CN CN202210231921.3A patent/CN114517586A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008034165A1 (en) * | 2006-09-20 | 2008-03-27 | Innovative Construction Techniques Pty Ltd | A system for erecting and holding roof trusses |
| CN102953553A (en) * | 2012-11-14 | 2013-03-06 | 中冶天工集团有限公司 | Method for mounting large-span pipe truss by using boom luffing mechanism |
| CN107989380A (en) * | 2016-10-27 | 2018-05-04 | 中交三航局第三工程有限公司 | Steel truss gallery hydraulic synchronizing lifting construction technique |
| CN113503047A (en) * | 2021-07-31 | 2021-10-15 | 中冶(上海)钢结构科技有限公司 | Method for adjusting high-altitude position offset by traction in steel structure lifting process |
| CN113685040A (en) * | 2021-08-25 | 2021-11-23 | 中电建十一局工程有限公司 | Large-span steel truss hoisting construction method |
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Application publication date: 20220520 |