CN113481990B - Method for assembling and disassembling scaffold for single-pile conical section - Google Patents
Method for assembling and disassembling scaffold for single-pile conical section Download PDFInfo
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- CN113481990B CN113481990B CN202110873418.3A CN202110873418A CN113481990B CN 113481990 B CN113481990 B CN 113481990B CN 202110873418 A CN202110873418 A CN 202110873418A CN 113481990 B CN113481990 B CN 113481990B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
Abstract
The invention relates to the technical field of wind power, in particular to a method for assembling and disassembling a scaffold for a single-pile conical section, which comprises the following steps: s1, manufacturing a shelving platform according to a design drawing; s2, transporting the racking platform to the position near the finished conical section; s3, hoisting the conical section to the erection platform; s4, erecting a scaffold on the scaffold erecting platform until the inner wall surface and the outer peripheral surface of the conical section are covered and fully erected; s5, transporting the conical section and the scaffold as a whole to a supporting platform of a sand shed for sanding; s6, transporting the conical section and the scaffold which are subjected to sanding operation to a supporting platform of a coating shed as a whole for coating operation; and S7, the conical sections and the scaffold which are subjected to the painting operation are integrally transported out of the painting shed to carry out the scaffold dismantling operation. The invention can reduce the difficulty of assembling and disassembling the scaffold, improve the assembling and disassembling efficiency and shorten the construction period of the single pile.
Description
Technical Field
The invention relates to the technical field of wind power, in particular to a method for assembling and disassembling a scaffold for a single-pile conical section.
Background
In the construction of an offshore wind power project, the diameter of a single pile foundation of the wind power project is greatly changed, and a conical section is arranged in the middle of the single pile foundation.
The conical sections are firstly constructed in a group pair mode, and are transported to a sand shed for sanding after the group pair is completed, and then are transported to a coating shed for coating. As the taper section has extremely large reducing diameter, the maximum end is 8700mm, the minimum end is 6000mm, and the weight of the taper section is heavy and is close to 500t. The straight section is coated by a roller frame rolling coating method, but the conical section has large displacement when rolling, the paint is seriously damaged, and simultaneously, the rolling turnover and other larger potential safety hazards exist, and in order to ensure the safety, the existing method adopts a built-up coating method. Because of single pile basis technical specification book and owner's requirement, the tubular pile can not have a large amount of electric welding work, consequently, can't carry out setting up of scaffold frame through setting up the scaffold sign indicating number on the tubular pile. According to the existing frame building method, a mode of building a ground frame is adopted for building the frame, the frame is built from bottom to top from the ground, and the frame building and the frame dismantling are carried out in the coating shed.
According to the existing method for landing a floor stand, the following problems exist:
(1) Building a floor frame, wherein the floor frame needs to be built on a coating shed from bottom to top, the workload is large, after the sand shed is built and sanding is finished, the scaffold needs to be dismantled, the floor frame is transported to the coating shed, and when the floor frame arrives at the coating shed, the floor frame needs to be built again for coating, and one conical section needs to be built twice for sanding and coating, and the scaffold is dismantled twice;
(2) The erection and the dismantling of the scaffold can be only carried out on the sand shed or the coating shed, the scaffold erection and the dismantling are large in workload, long time is needed, the sand shed and the coating shed are required to be occupied for a long time, and the utilization rate of the sand shed and the coating shed is low;
(3) The frame building and dismantling are carried out on the sand shed and the coating shed, so that the construction difficulty degree of the frame building and dismantling is increased, and the building and dismantling efficiency of the scaffold is influenced;
(4) Further analysis, scaffold frame is taken and is torn open efficiency reduction, in addition take and tear twice scaffold frame open, the production cycle of whole conic section canopy entering application is lengthened, has influenced the cycle of single pile construction.
Therefore, a method for assembling and disassembling the scaffold for a single-pile conical section is needed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a method for assembling and disassembling a scaffold for a single-pile taper section, which can reduce the assembling and disassembling times of the scaffold, reduce the assembling and disassembling difficulty of the scaffold, improve the assembling and disassembling efficiency and shorten the construction period of a single pile.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for assembling and disassembling a scaffold for a single-pile conical section comprises the following steps:
the method comprises the following steps that S1, a scaffold erecting platform is manufactured according to a design drawing, the scaffold erecting platform comprises a conical section supporting platform, channel steel assemblies are arranged on two sides of the conical section supporting platform along the extending direction of the conical section supporting platform, the channel steel assemblies are connected with the conical section supporting platform through I-shaped steel, and the channel steel assemblies are used for supporting and erecting vertical rods of a scaffold;
s2, transporting the racking platform to the vicinity of the finished conical section;
s3, hoisting the conical section to the erection platform;
s4, erecting a scaffold on the scaffold erecting platform until the inner wall surface and the outer peripheral surface of the conical section are covered and fully erected;
s5, transporting the conical section and the scaffold as a whole to a supporting platform of a sand shed for sanding operation;
s6, transporting the conical section and the scaffold which are subjected to sanding operation to a supporting platform of a coating shed as a whole for coating operation;
and S7, the taper section and the scaffold which finish the painting operation are integrally transported out of the painting shed to be dismantled.
Further, in the step S1, after the fabrication of the bridging platform is completed, the welding quality needs to be checked to ensure the fabrication quality of the bridging platform.
Further, the channel steel assembly comprises two parallel channel steels arranged at intervals.
Furthermore, two the channel-section steel slope sets up, and with the inclination phase-match in the outside of conic section supporting platform makes the scaffold frame is close to the conic section is set up.
Further, the conic section supporting platform includes the supporting component that the parallel interval of multiunit set up, supporting component includes two landing legs, in be provided with the crossbeam on the landing leg, be provided with the line type frock that has the V-arrangement groove on the crossbeam, the conic section can be placed on the line type frock, the I-steel with the crossbeam is connected.
Further, the bridging platform comprises a reinforcing rib, one end of the reinforcing rib is connected with the supporting leg, and the other end of the reinforcing rib is connected with the I-shaped steel.
Further, in the step S2, the shelving platform is transported by using a module vehicle.
Further, in the step S3, the conical section is hoisted to the racking platform by using a gantry crane.
Further, in the step S4, after the scaffold is completely set up, the scaffold is reported, checked and accepted, and the step S5 is performed after the scaffold is qualified.
The invention has the beneficial effects that:
the invention provides a method for assembling and disassembling a scaffold for a single-pile conical section. By the method, the scaffold can be built and removed outside the sand shed and the coating shed, so that the occupied sand shed and coating shed are reduced; and build the scaffold frame on building the platform, build at the scaffold frame and accomplish the back, need not to demolish and can sand and the application, need not dismouting scaffold frame repeatedly, reduced intensity of labour and taken the degree of difficulty of tearing open, can take in addition in spacious place and tear open the scaffold frame open, improve and take the efficiency of tearing open, the utilization ratio of sand canopy and application canopy is higher moreover to shorten the construction period of single pile.
Drawings
FIG. 1 is a flow chart of a method for assembling and disassembling a scaffold for a single-pile taper section according to the present invention;
fig. 2 is a top view of a scaffolding platform in the method for erecting and dismantling a scaffold for a single-pile tapered segment according to the present invention;
FIG. 3 isbase:Sub>A view from A-A in FIG. 2;
FIG. 4 is a side view of the present invention with the cone segments suspended from the mounting platform.
In the figure:
1. a racking platform; 11. channel steel; 12. i-shaped steel; 13. reinforcing ribs; 14. a support leg; 15. a cross beam; 16. linear tooling; 2. a scaffold; 3. a conical section.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some but not all of the features relevant to the present invention are shown in the drawings.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to reduce the times of assembling and disassembling the scaffold, reduce the assembling and disassembling difficulty of the scaffold, improve the assembling and disassembling efficiency and shorten the construction period of a single pile in the sanding and coating operation of a single pile conical section used in wind power, the invention provides an assembling and disassembling method of the scaffold for the single pile conical section, as shown in figures 1-4. The method for assembling and disassembling the scaffold for the single-pile conical section comprises the following steps:
s1, manufacturing a shelving platform 1 according to a design drawing;
s2, transporting the racking platform 1 to the position near the finished conical section 3, and specifically, transporting the racking platform 1 by using a module vehicle;
s3, hoisting the conical section 3 to the racking platform 1, wherein in the embodiment, the conical section 3 is hoisted to the racking platform 1 by utilizing a gantry crane commonly used in a construction site;
s4, erecting a scaffold 2 on the scaffold erecting platform 1 until the inner wall surface and the outer peripheral surface of the conical section 3 are covered and fully lapped;
s5, transporting the conical section 3 and the scaffold 2 as a whole to a supporting platform of a sand shed for sanding;
s6, transporting the conical section 3 and the scaffold 2 which are subjected to sanding operation to a supporting platform of a coating shed as a whole for coating operation;
and S7, transporting the taper section 3 and the scaffold 2 which finish the coating operation out of the coating shed as a whole to remove the scaffold 2.
By the mode, the building of the scaffold 2 and the dismantling of the scaffold 2 can be carried out outside the sand shed and the coating shed, so that the occupation of the sand shed and the coating shed is reduced; and build scaffold frame 2 on building frame platform 1, build at scaffold frame 2 and accomplish the back, need not to demolish and can beat sand and application, need not to relapse dismouting scaffold frame 2, intensity of labour has been reduced and the degree of difficulty of taking the dismantlement, and can take in the spacious place and tear scaffold frame 2 open, improve and take the efficiency of tearing open, carry out outside sand canopy and the application canopy through shifting dismouting scaffold frame 2, advance the process, and reduce occuping of sand canopy and application canopy, make the utilization ratio of sand canopy and application canopy higher, thereby shorten the construction period of single pile.
Further, in step S1, after the fabrication of the bridging platform 1 is completed, the welding quality needs to be checked to ensure the fabrication quality of the bridging platform 1. In this way, when scaffold 2 is built on scaffold building platform 1, scaffold building platform 1 has sufficient strength to support, thereby guaranteeing that scaffold building 2 goes on smoothly, and preventing safety accidents.
Further, in step S1, the scaffold erecting platform 1 includes a conical section supporting platform, channel steel assemblies are disposed on two sides of the conical section supporting platform along an extending direction of the conical section supporting platform, the channel steel assemblies are connected with the conical section supporting platform through i-shaped steel 12, and the channel steel assemblies are used for supporting vertical rods for erecting the scaffold 2. Because the channel steel components and the I-shaped steel 12 are easy to obtain in a construction site, the difficulty of building the scaffold erecting platform 1 is reduced, and the waste channel steel 11 and the waste I-shaped steel 12 in the construction site can be utilized, so that the waste recycling is realized.
Further, the channel assembly includes two parallel channels 11 arranged at intervals. Through setting up two channel-section steels 11, channel-section steel 11 has the slotted one side and upwards sets up, is convenient for install the pole setting of scaffold frame 2 on channel-section steel 11 and fixes a position and install, and because the pole setting is located channel-section steel 11's groove, the both sides in groove carry on spacingly to the pole setting, can guarantee that the pole setting can not follow channel-section steel 11's inslot slippage.
Further, two channel-section steels 11 slope sets up, and with the slope phase-match in the outside of conic section supporting platform to make scaffold frame 2 be close to conic section 3 and set up. In this way, can guarantee that channel-section steel 11 is close to as far as possible with conic section 3 to make scaffold frame 2 build more laminating conic section 3, when making scaffold frame 2 can make things convenient for the constructor climbing, reduce scaffold frame 2's occupation space, thereby make things convenient for scaffold frame 2 and conic section 3 as whole to change the place, conveniently advance out sand canopy and application canopy moreover.
Further, the cone section supporting platform comprises a plurality of groups of supporting assemblies arranged in parallel at intervals, each supporting assembly comprises two supporting legs 14, a cross beam 15 is arranged on each supporting leg 14, a linear tool 16 with a V-shaped groove is arranged on each cross beam 15, the cone sections 3 can be placed on the linear tool 16, and the I-shaped steel 12 is connected with the cross beams 15. Through the setting, be convenient for utilize the V-arrangement groove to fix a position conic section 3, guarantee to place conic section 3 on line type frock 16 stable to the assurance is built scaffold frame 2 and is gone on smoothly. The erection platform 1 is subjected to rust prevention treatment in the embodiment, so that the erection platform 1 can be repeatedly used.
Further, the scaffolding platform 1 comprises a reinforcing rib 13, one end of the reinforcing rib 13 is connected with the supporting leg 14 of the conical section supporting platform, and the other end of the reinforcing rib 13 is connected with the i-shaped steel 12. Through setting up strengthening rib 13, guarantee to carry out sufficient support to I-steel 12 to guarantee to erect the intensity of the channel-section steel 11 of scaffold frame 2, guarantee the stability of the scaffold frame 2 of putting up.
Further, in step S4, after the scaffold 2 is erected, the scaffold 2 is reported, checked and accepted, and after the scaffold is qualified, step S5 is carried out, and the quality of the erected scaffold 2 can be ensured by checking and accepting the scaffold 2, so that the safety of constructors can be ensured when the constructors perform sanding and spraying operations.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A method for assembling and disassembling a scaffold for a single-pile conical section is characterized by comprising the following steps:
the method comprises the following steps that S1, a scaffold erecting platform (1) is manufactured according to a design drawing, the scaffold erecting platform (1) comprises a conical section supporting platform, channel steel assemblies are arranged on two sides of the conical section supporting platform along the extending direction of the conical section supporting platform, the channel steel assemblies are connected with the conical section supporting platform through I-shaped steel (12), and the channel steel assemblies are used for supporting vertical rods for erecting a scaffold (2);
s2, transporting the racking platform (1) to the position near the finished conical section (3);
s3, hoisting the conical section (3) to the erection platform (1);
s4, erecting a scaffold (2) on the erecting platform (1) until the inner wall surface and the outer peripheral surface of the conical section (3) are covered fully;
s5, transporting the conical section (3) and the scaffold (2) as a whole to a supporting platform of a sand shed for sanding;
s6, transporting the conical section (3) and the scaffold (2) which are subjected to sanding operation to a supporting platform of a coating shed as a whole for coating operation;
and S7, the taper section (3) and the scaffold (2) which finish the painting operation are integrally transported out of the painting shed to carry out the operation of dismantling the scaffold (2).
2. The method for assembling and disassembling the scaffold for the single-pile taper segment according to claim 1, wherein in the step S1, after the scaffold platform (1) is manufactured, the welding quality needs to be checked to ensure the manufacturing quality of the scaffold platform (1).
3. A method of erecting and dismantling a scaffolding for a mono-pile taper section according to claim 1 and characterised in that said channel assembly comprises two parallel spaced apart channels (11).
4. A method for assembling and disassembling a single-pile taper scaffold according to claim 3, wherein two channel steels (11) are arranged obliquely and matched with the inclination of the outer side of the taper supporting platform, so that the scaffold (2) is assembled close to the taper (3).
5. The method for assembling and disassembling the single-pile and conical-section scaffold according to claim 1, wherein the conical-section supporting platform comprises a plurality of groups of supporting assemblies which are arranged in parallel at intervals, each supporting assembly comprises two supporting legs (14), cross beams (15) are arranged on the supporting legs (14), linear tools (16) with V-shaped grooves are arranged on the cross beams (15), the conical sections (3) can be placed on the linear tools (16), and the I-shaped steel (12) is connected with the cross beams (15).
6. The method for building and dismantling a scaffold for a mono-pile conic section according to claim 5, wherein said scaffolding platform (1) comprises a reinforcing rib (13), one end of said reinforcing rib (13) is connected to said leg (14) and the other end is connected to said i-beam (12).
7. The method for building and dismantling a scaffold for a mono-pile tapered section according to claim 1, wherein in step S2, the scaffolding platform (1) is transported by a modular vehicle.
8. The method for assembling and disassembling the scaffold for the single-pile conical section according to claim 1, wherein in the step S3, the conical section (3) is hoisted to the erection platform (1) by using a gantry crane.
9. The method for erecting and disassembling the scaffold for the mono-pile taper segment according to claim 1, wherein in the step S4, after the scaffold (2) is erected, the scaffold (2) is reported, checked and accepted, and the step S5 is performed after the scaffold is accepted and accepted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110873418.3A CN113481990B (en) | 2021-07-30 | 2021-07-30 | Method for assembling and disassembling scaffold for single-pile conical section |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110873418.3A CN113481990B (en) | 2021-07-30 | 2021-07-30 | Method for assembling and disassembling scaffold for single-pile conical section |
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| CN113481990A CN113481990A (en) | 2021-10-08 |
| CN113481990B true CN113481990B (en) | 2022-10-28 |
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| CN113481990A (en) | 2021-10-08 |
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