CN109057295B - Manufacturing method of steel structure lifting system - Google Patents
Manufacturing method of steel structure lifting system Download PDFInfo
- Publication number
- CN109057295B CN109057295B CN201810978848.XA CN201810978848A CN109057295B CN 109057295 B CN109057295 B CN 109057295B CN 201810978848 A CN201810978848 A CN 201810978848A CN 109057295 B CN109057295 B CN 109057295B
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- Prior art keywords
- lifting
- monomer
- foundation pit
- slide rod
- platform
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- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
- E04G1/152—Platforms made of metal or with metal-supporting frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a manufacturing method of a steel structure lifting system, which comprises the following steps: s1, constructing a vertical general foundation pit below the ground level; s2 erecting a vertical lifting guide rail on the peripheral wall of the foundation pit after the shape of the foundation pit is fixed, and constructing a lifting platform on the foundation pit base; s3, dividing the pre-constructed lifting system into a plurality of lifting single bodies with equal length in the vertical direction in design; s4, controlling the lifting platform to be horizontal to the ground level, vertically and upwards building a first lifting monomer on the lifting platform, and after the completion, controlling the lifting platform to downwards descend by the length of the single lifting monomer so that the top end of the first lifting monomer is horizontal to the ground level; building a second lifting monomer on the basis of the first lifting monomer, and after the second lifting monomer is built, controlling the lifting platform to descend downwards by the length of the single lifting monomer so that the top end of the second lifting monomer is horizontal to the ground level; by analogy, the last lifting monomer is built; and S5, controlling the lifting platform in the foundation pit to ascend to the level of the lifting platform and the ground level.
Description
Technical Field
The invention relates to the field of steel structures, in particular to a manufacturing method of a steel structure lifting system, which guarantees safety, reduces production cost and has strong applicability.
Background
The lifting system is widely applied to various self-elevating platforms, such as self-elevating drilling platforms, wind power installation vessels (platforms), construction operation platforms for salvaging, drilling, piling, riprap leveling and the like, and can be used for inserting piles, pulling piles and lifting and descending the platforms and fixing the platforms at a set of very complex devices at a certain height. The self-elevating drilling platform is provided with a pile leg capable of freely elevating, the pile leg extends to the seabed during operation, stands on the seabed, and supports the hull by the pile leg, and the bottom of the hull is away from the sea surface by a certain distance (air gap). The self-elevating drilling platform consists of a platform structure, pile legs and a lifting mechanism, wherein the main hull part of the self-elevating drilling platform is a watertight structure and is used for bearing machinery and realizing the functions of drilling and oil production. The buoyancy generated by the main hull part serves to balance the weight of the legs, machinery, structures etc. when it is floating on the sea surface. The height requirement on the lifting system is very high, so that the production process of the traditional lifting system basically needs to be carried out aloft work, the safety of production workers is greatly threatened, the lifting system of each project needs to be independently constructed, the production cost is high, the applicability is poor, and material resources are consumed to construct a production platform, so that the production cost is greatly improved.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention comprises the following steps: s1, constructing a vertical general foundation pit below the ground level, building brick walls on the inner wall of the foundation pit and coating cement to fix the shape of the foundation pit, wherein the shape of the caliber of the foundation pit is circular; s2, after the shape of the foundation pit is fixed, erecting a vertical lifting guide rail on the peripheral wall of the foundation pit, constructing a base on the bottom of the foundation pit by using reinforced concrete, constructing a lifting platform on the base of the foundation pit and configuring a lifting control circuit; s3, dividing the pre-constructed lifting system into a plurality of lifting single bodies with equal length in the vertical direction in design; s4, controlling the lifting platform to be horizontal to the ground level, vertically and upwards building a first lifting monomer on the lifting platform, and controlling the lifting platform to downwards descend by the length of the single lifting monomer after the first lifting monomer is built, so that the top end of the first lifting monomer is horizontal to the ground level; building a second lifting monomer on the basis of the first lifting monomer, and controlling the lifting platform to descend downwards by the length of the single lifting monomer after the second lifting monomer is built, so that the top end of the second lifting monomer is horizontal to the ground plane; by analogy, the last lifting monomer is built, and the whole lifting system is manufactured; s5, controlling the lifting platform in the foundation pit to ascend to the level of the lifting platform and the ground level, enabling the bottom of the whole lifting system to be horizontal to the ground, and then transporting the finished lifting system to the designated position by utilizing the transmission equipment.
Preferably, in step S4, the lifting platform is controlled to be horizontal to the ground level, the first to nth lifting units are vertically and upwardly set up on the lifting platform, and after the first to nth lifting units are set up, the lifting platform is controlled to descend downwardly by the length of the N lifting units, so that the top end of the nth lifting unit is horizontal to the ground level; building an (N + 1) th lifting monomer to a (2N) th lifting monomer on the basis of the Nth lifting monomer, and controlling a lifting platform to descend downwards by the length of the N lifting monomers after the 2N lifting monomer is built, so that the top end of the Nth lifting monomer is horizontal to the ground level; and by analogy, the last lifting monomer is built, and the whole lifting system is manufactured.
Further, in S1, the shape of the opening of the foundation pit may be rectangular, elliptical, or triangular.
Further, the lift rail is erected in a partially inlaid manner and the lift platform is slidably coupled to the lift rail at S2.
Further, the steel structure hoist system manufactured in S3 or S4 structurally includes a coupling rod, a main slide bar, a sub slide bar, a main coupling, a sub coupling, a pulley, a rope, and a hoist plate.
Further, the steel structure lifting monomer manufactured in S4 structurally includes a coupling rod, a main slide rod, an auxiliary slide rod, a main coupling member, an auxiliary coupling member, a sliding wheel, and a rope, and the step of manufacturing each steel structure lifting monomer includes fixing the main slide rod and the auxiliary slide rod, welding and fixing each set of the main slide rod and the auxiliary slide rod through the main coupling member and the auxiliary coupling member, mounting the coupling rod on the main slide rod and the auxiliary slide rod, and mounting the sliding wheel and the rope on the main slide rod and the auxiliary slide rod.
The invention has the advantages that the pre-constructed lifting system is divided into a plurality of lifting single bodies with equal length in the vertical direction on the constructed lifting system, and then the lifting single bodies are constructed one by one on an underground lifting system, so that the high-altitude operation is not needed in the production process of the lifting system, and the safety of production workers is high.
Drawings
Fig. 1 is a schematic diagram of a pit base in an implementation.
Fig. 2 is a schematic diagram of a lifting monomer in implementation.
FIG. 3 is a schematic flow diagram of the process of the present invention.
Detailed Description
In practice, as shown in fig. 3, the manufacturing method of the steel structure lifting system of the present invention comprises the following steps:
s1, constructing a vertical general foundation pit below the ground level, building brick walls on the inner wall of the foundation pit and coating cement to fix the shape of the foundation pit, wherein the shape of the caliber of the foundation pit is circular;
s2, after the shape of the foundation pit is fixed, erecting a vertical lifting guide rail on the peripheral wall of the foundation pit, constructing a base on the bottom of the foundation pit by using reinforced concrete, constructing a lifting platform on the base of the foundation pit and configuring a lifting control circuit;
s3, dividing the pre-constructed lifting system into a plurality of lifting single bodies with equal length in the vertical direction in design;
s4, controlling the lifting platform to be horizontal to the ground level, vertically and upwards building a first lifting monomer on the lifting platform, and controlling the lifting platform to downwards descend by the length of the single lifting monomer after the first lifting monomer is built, so that the top end of the first lifting monomer is horizontal to the ground level; building a second lifting monomer on the basis of the first lifting monomer, and controlling the lifting platform to descend downwards by the length of the single lifting monomer after the second lifting monomer is built, so that the top end of the second lifting monomer is horizontal to the ground plane; by analogy, the last lifting monomer is built, and the whole lifting system is manufactured;
s5, controlling the lifting platform in the foundation pit to ascend to the level of the lifting platform and the ground level, enabling the bottom of the whole lifting system to be horizontal to the ground, and then transporting the finished lifting system to the designated position by utilizing the transmission equipment.
In a preferred embodiment, the step S4 is to control the lifting platform to be horizontal to the ground level, the first lifting monomer to the Nth lifting monomer are vertically and upwards built on the lifting platform, and after the first lifting monomer to the Nth lifting monomer are built, the lifting platform is controlled to descend downwards by the length of the N lifting monomers, so that the top end of the Nth lifting monomer is horizontal to the ground level; building an (N + 1) th lifting monomer to a (2N) th lifting monomer on the basis of the Nth lifting monomer, and controlling a lifting platform to descend downwards by the length of the N lifting monomers after the 2N lifting monomer is built, so that the top end of the Nth lifting monomer is horizontal to the ground level; and by analogy, the last lifting monomer is built, and the whole lifting system is manufactured.
Specifically, in S1, the shape of the opening of the foundation pit may be rectangular, elliptical, or triangular.
Specifically, the lift rail is erected in a partially inlaid manner and the lift platform is slidably coupled to the lift rail at S2. Specifically, the steel structure hoist system manufactured in S3 or S4 structurally includes a link, a main slide bar, a sub slide bar, a main link, a sub link, a pulley, a rope, and a hoist plate.
Specifically, the steel structure lifting monomer manufactured in S4 structurally includes a linking rod, a main slide rod, an auxiliary slide rod, a main linking member, an auxiliary linking member, a sliding wheel, and a rope, and the step of manufacturing each steel structure lifting monomer includes fixing the main slide rod and the auxiliary slide rod, welding and fixing each group of the main slide rod and the auxiliary slide rod through the main linking member and the auxiliary linking member, mounting the linking rod on the main slide rod and the auxiliary slide rod, and mounting the sliding wheel and the rope on the main slide rod and the auxiliary slide rod.
In one implementation, as shown in fig. 1, a brick wall 2 is built on the inner wall of a foundation pit 1, cement is coated on the brick wall 2, the caliber shape of the foundation pit 1 is preferably circular to improve the stability of the foundation pit 1, a base 4 is arranged at the bottom of the foundation pit 1, and a lifting platform 3 is arranged on the base 4.
In one implementation, as shown in fig. 2, the lifting monomer structure includes a linking rod 11, a main sliding rod 5, an auxiliary sliding rod 6, a main linking piece 7, an auxiliary linking piece 8, a sliding wheel 10 and a rope 9, wherein the main linking piece 7 and the auxiliary linking piece 8 are used for linking and fixing the main sliding rod 5 and the auxiliary sliding rod 6 to form a lifting monomer structure frame, the sliding wheels 10 are arranged on the two main linking pieces 7, and the rope 9 is arranged around the sliding wheels 10; the connecting rods 11 are arranged at the tops of the two main sliding rods 5, are used for connecting the two main sliding rods 5, and are also used for butting the bottom of the other lifting single main sliding rod 5 to be constructed at the upper part of the connecting rods.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are illustrative and not exclusive in all respects. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. A manufacturing method of a steel structure lifting system is characterized by comprising the following steps: s1, constructing a vertical general foundation pit below the ground level, building brick walls on the inner wall of the foundation pit and coating cement to fix the shape of the foundation pit, wherein the shape of the caliber of the foundation pit is circular; s2, after the shape of the foundation pit is fixed, erecting a vertical lifting guide rail on the peripheral wall of the foundation pit, constructing a base on the bottom of the foundation pit by using reinforced concrete, constructing a lifting platform on the base of the foundation pit and configuring a lifting control circuit; s3, dividing the pre-constructed lifting system into a plurality of lifting single bodies with equal length in the vertical direction in design; s4, controlling the lifting platform to be horizontal to the ground level, vertically and upwards building a first lifting monomer on the lifting platform, and controlling the lifting platform to downwards descend by the length of the single lifting monomer after the first lifting monomer is built, so that the top end of the first lifting monomer is horizontal to the ground level; building a second lifting monomer on the basis of the first lifting monomer, and controlling the lifting platform to descend downwards by the length of the single lifting monomer after the second lifting monomer is built, so that the top end of the second lifting monomer is horizontal to the ground plane; by analogy, the last lifting monomer is built, and the whole lifting system is manufactured; s5, controlling the lifting platform in the foundation pit to ascend to the level of the lifting platform and the ground level, enabling the bottom of the whole lifting system to be horizontal to the ground, and then transporting the finished lifting system to the designated position by utilizing the transmission equipment.
2. The manufacturing method of the steel structure lifting system according to claim 1, wherein S4 is to control the lifting platform to be horizontal to the ground level, the first to Nth lifting units are vertically and upwardly built on the lifting platform, and after the first to Nth lifting units are built, the lifting platform is controlled to descend downwards by the length of the N lifting units, so that the top end of the Nth lifting unit is horizontal to the ground level; building an (N + 1) th lifting monomer to a (2N) th lifting monomer on the basis of the Nth lifting monomer, and controlling a lifting platform to descend downwards by the length of the N lifting monomers after the 2N lifting monomer is built, so that the top end of the Nth lifting monomer is horizontal to the ground level; and by analogy, the last lifting monomer is built, and the whole lifting system is manufactured.
3. The method of claim 1, wherein the hole of the pit is rectangular or oval or triangular in shape at S1.
4. The method of claim 1, wherein the lift rail is erected in a partially embedded manner and the lift platform is slidably coupled to the lift rail at S2.
5. The method of claim 1, wherein the steel-structured lift system manufactured in S3 or S4 structurally comprises a coupling rod, a main slide rod, a sub slide rod, a main coupling member, a sub coupling member, a sliding wheel, a rope, and a lift plate.
6. The method of claim 1, wherein the steel structure lifting unit manufactured in S4 structurally comprises a coupling rod, a main slide rod, an auxiliary slide rod, a main coupling member, an auxiliary coupling member, a sliding wheel and a rope, and the step of manufacturing each steel structure lifting unit comprises fixing the main slide rod and the auxiliary slide rod, welding and fixing each set of the main slide rod and the auxiliary slide rod through the main coupling member and the auxiliary coupling member, installing the coupling rod on the main slide rod and the auxiliary slide rod, and installing the sliding wheel and the rope on the main slide rod and the auxiliary slide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978848.XA CN109057295B (en) | 2018-08-27 | 2018-08-27 | Manufacturing method of steel structure lifting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978848.XA CN109057295B (en) | 2018-08-27 | 2018-08-27 | Manufacturing method of steel structure lifting system |
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| CN109057295A CN109057295A (en) | 2018-12-21 |
| CN109057295B true CN109057295B (en) | 2021-06-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485394B (en) * | 2019-07-30 | 2021-02-09 | 南通振华重型装备制造有限公司 | Construction method of lifting frame of gravel laying leveling ship |
| CN111561139B (en) * | 2019-11-21 | 2021-05-25 | 江苏跃界装配式建筑科技有限公司 | Method for constructing roof of fabricated building |
| CN112709420A (en) * | 2020-04-16 | 2021-04-27 | 刘嘉玮 | Auxiliary installation control method for building light-transmitting plate |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4203576A (en) * | 1978-07-11 | 1980-05-20 | Sutton John R | Elevating assembly for an offshore platform |
| CN2235470Y (en) * | 1994-12-14 | 1996-09-18 | 山西省电力公司电力建设三公司 | Construction lifting mechanism for building double curved concrete tower |
| GB2285035B (en) * | 1993-12-22 | 1998-01-07 | Leon Mechatronics Corp | Lift assembly for parking cars |
| WO2002084031A1 (en) * | 2001-04-16 | 2002-10-24 | Osl Offshore Systems & Deck Machinery, Llc | Jack-up modu and jacking method and apparatus |
| KR20090046890A (en) * | 2006-09-28 | 2009-05-11 | 가부시키가이샤 아이에이치아이 | Stacker crane |
| CN201386417Y (en) * | 2009-01-20 | 2010-01-20 | 甘肃中电科耀新能源装备有限公司 | Vertical aligning platform for manufacturing wind generating set towers |
| GB2493503A (en) * | 2011-07-24 | 2013-02-13 | David Adam Nussey | Cantilever scaffold frame |
| CN202742309U (en) * | 2012-09-11 | 2013-02-20 | 淮安市胜杰液压机械有限公司 | Assembly table with lifting mechanism |
| CN105908961A (en) * | 2015-12-28 | 2016-08-31 | 上海建工七建集团有限公司 | Liftway combined type lifting operation frame |
| JP6159094B2 (en) * | 2013-01-28 | 2017-07-05 | 日綜産業株式会社 | Moving scaffold |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030202B (en) * | 2014-06-09 | 2016-04-06 | 清华大学 | For the Work platform system that Large-Scale Equipment manufactures |
| CN204097020U (en) * | 2014-07-30 | 2015-01-14 | 庆阳长荣机械设备制造有限公司 | Fluid pressure type boiler assembling jacking system |
| CN104943820B (en) * | 2015-07-22 | 2017-03-15 | 烟台中集来福士海洋工程有限公司 | Truss framed leg folding method |
| CN107399412B (en) * | 2016-05-19 | 2019-11-01 | 烟台中集来福士海洋工程有限公司 | The method of construction of MOPU |
| CN206088903U (en) * | 2016-10-25 | 2017-04-12 | 济南恒鼎升降机械有限公司 | C type steel guide rail formula lift |
-
2018
- 2018-08-27 CN CN201810978848.XA patent/CN109057295B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4203576A (en) * | 1978-07-11 | 1980-05-20 | Sutton John R | Elevating assembly for an offshore platform |
| GB2285035B (en) * | 1993-12-22 | 1998-01-07 | Leon Mechatronics Corp | Lift assembly for parking cars |
| CN2235470Y (en) * | 1994-12-14 | 1996-09-18 | 山西省电力公司电力建设三公司 | Construction lifting mechanism for building double curved concrete tower |
| WO2002084031A1 (en) * | 2001-04-16 | 2002-10-24 | Osl Offshore Systems & Deck Machinery, Llc | Jack-up modu and jacking method and apparatus |
| KR20090046890A (en) * | 2006-09-28 | 2009-05-11 | 가부시키가이샤 아이에이치아이 | Stacker crane |
| CN201386417Y (en) * | 2009-01-20 | 2010-01-20 | 甘肃中电科耀新能源装备有限公司 | Vertical aligning platform for manufacturing wind generating set towers |
| GB2493503A (en) * | 2011-07-24 | 2013-02-13 | David Adam Nussey | Cantilever scaffold frame |
| CN202742309U (en) * | 2012-09-11 | 2013-02-20 | 淮安市胜杰液压机械有限公司 | Assembly table with lifting mechanism |
| JP6159094B2 (en) * | 2013-01-28 | 2017-07-05 | 日綜産業株式会社 | Moving scaffold |
| CN105908961A (en) * | 2015-12-28 | 2016-08-31 | 上海建工七建集团有限公司 | Liftway combined type lifting operation frame |
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| Publication number | Publication date |
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| CN109057295A (en) | 2018-12-21 |
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