CN114482279A - Construction method and device for unequal-height support curved surface steel net rack - Google Patents
Construction method and device for unequal-height support curved surface steel net rack Download PDFInfo
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- CN114482279A CN114482279A CN202210009433.8A CN202210009433A CN114482279A CN 114482279 A CN114482279 A CN 114482279A CN 202210009433 A CN202210009433 A CN 202210009433A CN 114482279 A CN114482279 A CN 114482279A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/105—Grid-like structures
-
- 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
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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
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/02—Scaffold feet, e.g. with arrangements for adjustment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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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
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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- Mathematical Analysis (AREA)
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- Pure & Applied Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A construction method of a curved surface steel net rack with unequal-height supports comprises the following steps: constructing a three-dimensional model of a curved steel net rack; obtaining bottom surface coordinate information in a plurality of preset areas of the three-dimensional model according to the three-dimensional model; determining the assembly information of the operation platform according to the bottom surface coordinate information, wherein the assembly information of the operation platform comprises the number information of the operation platform, the position layout information of the operation platform and the height information of the operation platform; building an operation platform, wherein the operation platform formed by combining a plurality of sub-operation platforms is built according to the assembly information of the operation platform; and (4) building a curved steel net rack on the operation platform according to the coordinate information of the three-dimensional model. Also comprises a construction device of the curved surface steel net rack with the support with different heights. The method can effectively carry out construction aiming at the steel mesh frame with the different-shaped structure or the curved surface structure, and the operation platform has stable bearing capacity, good bearing capacity and convenient construction operation.
Description
Technical Field
The invention relates to the technical field of construction of unequal height support curved surface steel net racks, in particular to a construction method and a device of an unequal height support curved surface steel net rack.
Background
The steel net rack structure of the high-speed rail station room has the characteristics of large span, variable shape and complex construction environment, and most of the currently adopted construction methods are high-altitude scattered assembly, integral assembly and the like. The high-altitude scattered splicing scheme needs to set up a large number of frame bodies and repeatedly assemble and disassemble, and has great influence on the construction period and the cost; the whole assembly scheme needs large-scale hoisting machinery and is suitable for the non-overhead layer station house; the lifting, jacking and sliding schemes require that the load of the net rack is uniformly distributed, and are suitable for planar net rack structures.
Disclosure of Invention
The invention aims to provide a construction method and a device of a curved steel net rack with unequal-height supports, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a construction method of a curved steel net rack with unequal-height supports is used for building the curved steel net rack with unequal-height supports, and comprises the following steps: the method comprises the following steps: constructing a three-dimensional model of a curved steel net rack; step two: obtaining bottom surface coordinate information in a plurality of preset areas of the three-dimensional model according to the three-dimensional model; step three: determining the assembly information of the operation platform according to the bottom surface coordinate information, wherein the assembly information of the operation platform comprises the number information of the operation platform, the position layout information of the operation platform and the height information of the operation platform; step four: building an operation platform, wherein the operation platform formed by combining a plurality of sub-operation platforms is built according to the assembly information of the operation platform; step five: and building a curved steel net rack on the operation platform according to the coordinate information of the three-dimensional model.
The steps of building the operation platform comprise: arranging a plurality of rails on a floor longitudinally in parallel, erecting an operation frame on the rails, wherein the operation frame is formed by erecting a steel pipe scaffold, the bottom of the operation frame is provided with an adaptive rail and a sliding roller, and the bottom of the operation frame on each rail is provided with at least one brake wheel; the operation frame builds a preset height according to the assembly information of the operation platform; and laying an operation platform above each operation frame.
The step of obtaining the bottom surface coordinate information in a plurality of preset areas of the three-dimensional model according to the three-dimensional model comprises the following steps: dividing and determining bottom surface coordinate information of a plurality of three-dimensional models with different height positions by taking the longitudinal direction of the three-dimensional model as a reference direction; and determining the bottom surface coordinate information of the three-dimensional model in each area according to the bottom surface coordinate information of the three-dimensional model with different height positions.
The utility model provides a construction equipment of curved surface steel rack of unequal height, includes: the rails are arranged side by side in the longitudinal direction and are fixedly arranged on a floor; the plurality of operation frames are respectively erected on the tracks matched with the operation frames, and rollers which are matched with the tracks and can be connected in a sliding mode are installed at the bottoms of the operation frames; the plurality of operation platforms are respectively laid on a plurality of preset operation frames with different heights.
And a brake wheel is also arranged at the bottom of the operation frame.
The operation frame is formed by erecting steel pipe scaffolds.
According to the technical scheme, the coordinate information of the bottom surface is obtained and different areas are divided to formulate a plurality of operation platforms with different heights by analyzing the graphs of the curved steel net rack of the support with unequal heights, the steel net rack with the special-shaped structure or the curved structure can be effectively constructed by the method, the operation platforms are stable in bearing capacity and good in bearing capacity, can slide, are convenient to construct and operate, and improve the construction efficiency, and the method has the following specific beneficial effects:
1. the construction is simple, the operation is convenient, and the quality is reliable and stable;
2. the method is suitable for the installation of the steel net rack under the condition that the operation surface cannot bear large-scale hoisting machinery;
3. the method is suitable for the installation of the deformed steel net rack under the condition that jacking or lifting cannot be adopted.
Drawings
FIG. 1 is a schematic diagram of a work platform according to the present invention;
fig. 2 is a schematic view of the curved steel grid structure of the present invention.
In the figure: 10 curved steel net racks, 01 first bottom surface, 02 second bottom surface, 03 third bottom surface, 20 working platforms, 211 first sub working platform, 212 second sub working platform, 213 third sub working platform, 220 tracks, 230 working frames, 240 brake wheels and 250 rollers.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following detailed description is given with reference to the accompanying drawings.
The construction method of the curved steel net rack with the unequal-height supports is used for building the curved steel net rack with the unequal-height supports, generally speaking, the construction method can be understood as a deformed steel net rack with diversified structures, the steel net rack is characterized in that the structure is diversified, the relationship between curved surfaces and linear members is more complex, and the construction method can be used for effectively and pertinently constructing operation.
The construction method comprises the following steps:
the method comprises the following steps: constructing a three-dimensional model of a curved steel net rack;
step two: obtaining bottom surface coordinate information in a plurality of preset areas of the three-dimensional model according to the three-dimensional model;
here, it can be understood by those skilled in the art that, in the construction, it is necessary to first acquire graphic information of the curved steel net rack to be constructed, where the graphic information is spatial coordinate information of each region position of the curved steel net rack.
Step three: determining the assembly information of the operation platform according to the bottom surface coordinate information, wherein the assembly information of the operation platform comprises the number information of the operation platform, the position layout information of the operation platform and the height information of the operation platform;
here, as will be understood by those skilled in the art, since the graphic coordinates of the curved steel wire frame have different height position relationships in the extending direction in the longitudinal direction, for example, the curved steel wire frame 10 in the drawing has a first bottom surface 01, a second bottom surface 02 and a third bottom surface 03 on the lower end surface of the middle section, wherein the first bottom surface 01 is horizontally arranged and located at the highest point, the second bottom surface 02 is a middle area and has a curved structure, and the third bottom surface 03 is horizontally arranged and located at the lowest point, the bottom of the different areas is artificially divided into three, and the height position information thereof is obtained. In practice, since the curved steel net 10 has various configurations, and is not limited thereto, the bottom coordinate information may include a plurality of different height position information; in addition, the number of work platforms to be used can be artificially specified based on information such as the length and width of the entire curved steel lattice, and the relative positional relationship of the work platforms 20 can be determined based on the number and positional relationship. It should be understood that, for the construction of different curved steel grid structures, the adopted work platforms all have differences, and the differences generally refer to the position layout relationship, height arrangement difference, the size of the sub work platforms, and the like among the sub work platforms. For example, in the drawing, the first sub work platform 211, the second sub work platform 212, and the third sub work platform 213 are used to correspond to the height position information of the first bottom surface 01, the second bottom surface 02, and the third bottom surface 03 of the curved steel wire frame 10. Through the adaptation of height position, form the operation platform structural style that has the echelonment.
Step four: building an operation platform, wherein the operation platform formed by combining a plurality of sub-operation platforms is built according to the assembly information of the operation platform;
here, it can be understood by those skilled in the art that the work platform is constructed by a plurality of sub work platforms adjacently, for example, the first sub work platform 211 is adjacent to the second sub work platform; generally, the adjacent sub-working platforms only have difference in height to meet the building requirement of the curved steel net rack, but not limited to this.
Step five: building a curved steel net rack on the operation platform according to the coordinate information of the three-dimensional model;
after the construction of the operation platform is finished, the operation platform can be further constructed according to the three-dimensional model (namely the construction drawing).
It is important to point out that in the step of building the work platform, the further scheme is as follows:
arranging a plurality of rails 220 in parallel in the longitudinal direction of a floor, erecting a working frame 230 on the rails 220, wherein the working frame 230 is formed by erecting a steel pipe scaffold, rollers 250 which are matched with the rails and can slide are installed at the bottom of the working frame 230, and at least one brake wheel 240 is installed at the bottom of each rail 220;
the working frame 230 builds a preset height according to the assembly information of the working platform;
and laying an operation platform above each operation frame.
Therefore, the sub-operation platforms are sequentially and adjacently constructed in a sliding mode, and the construction operation efficiency is effectively improved.
The scheme also provides a construction device of the curved surface steel net rack with the support with different heights, which comprises a plurality of rails 220, wherein the rails 220 are longitudinally arranged side by side and fixedly arranged on a floor; the working frames 230 are respectively erected on the tracks 220 matched with the working frames 230, and rollers 250 which are matched with the tracks 220 and can be connected in a sliding mode are installed at the bottoms of the working frames 230; a plurality of work platforms, which are respectively laid on a plurality of preset work racks 230 with different heights. A brake wheel 240 is also mounted on the bottom of the work frame 230. The working frame 230 is constructed by steel pipe scaffolds.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. A construction method of a curved steel net rack with unequal-height supports is used for building the curved steel net rack with unequal-height supports, and is characterized by comprising the following steps:
the method comprises the following steps: constructing a three-dimensional model of a curved steel net rack;
step two: obtaining bottom surface coordinate information in a plurality of preset areas of the three-dimensional model according to the three-dimensional model;
step three: determining the assembly information of the operation platform according to the bottom surface coordinate information, wherein the assembly information of the operation platform comprises the number information of the operation platform, the position layout information of the operation platform and the height information of the operation platform;
step four: building an operation platform, wherein the operation platform formed by combining a plurality of sub-operation platforms is built according to the assembly information of the operation platform;
step five: and building a curved steel net rack on the operation platform according to the coordinate information of the three-dimensional model.
2. The construction method of the unequal-height curved-surface steel net rack according to claim 1, wherein the step of building the working platform comprises the following steps of:
arranging a plurality of rails on a floor longitudinally in parallel, erecting an operation frame on the rails, wherein the operation frame is formed by erecting a steel pipe scaffold, the bottom of the operation frame is provided with an adaptive rail and a sliding roller, and the bottom of the operation frame on each rail is provided with at least one brake wheel;
the operation frame builds a preset height according to the assembly information of the operation platform;
and laying an operation platform above each operation frame.
3. The construction method of the unequal-height curved-surface steel net rack according to claim 1, wherein the step of obtaining the bottom surface coordinate information in a plurality of preset areas of the three-dimensional model according to the three-dimensional model comprises the following steps:
dividing and determining bottom surface coordinate information of a plurality of three-dimensional models with different height positions by taking the longitudinal direction of the three-dimensional model as a reference direction;
and determining the bottom surface coordinate information of the three-dimensional model in each area according to the bottom surface coordinate information of the three-dimensional model with different height positions.
4. The utility model provides a construction equipment of height support curved surface steel rack not, its characterized in that includes:
the rails are arranged side by side in the longitudinal direction and are fixedly arranged on a floor;
the plurality of operation frames are respectively erected on the tracks matched with the operation frames, and rollers which are matched with the tracks and can be connected in a sliding mode are installed at the bottoms of the operation frames;
the plurality of operation platforms are respectively laid on a plurality of preset operation frames with different heights.
5. The construction device of the unequal-height curved-surface steel net rack according to claim 4, characterized in that: and a brake wheel is also arranged at the bottom of the operation frame.
6. The construction device of the unequal-height curved-surface steel net rack according to claim 4, characterized in that: the operation frame is formed by erecting steel pipe scaffolds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009433.8A CN114482279A (en) | 2022-01-05 | 2022-01-05 | Construction method and device for unequal-height support curved surface steel net rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009433.8A CN114482279A (en) | 2022-01-05 | 2022-01-05 | Construction method and device for unequal-height support curved surface steel net rack |
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| CN114482279A true CN114482279A (en) | 2022-05-13 |
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| CN202210009433.8A Pending CN114482279A (en) | 2022-01-05 | 2022-01-05 | Construction method and device for unequal-height support curved surface steel net rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341653A (en) * | 2022-07-04 | 2022-11-15 | 北京建工集团有限责任公司 | Steep and gentle slope radian mutation multi-curved-surface steel reticulated shell building structure and construction process thereof |
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| JPH09151541A (en) * | 1995-11-30 | 1997-06-10 | Tomoe Corp | Method of cross-cut construction |
| CN201411898Y (en) * | 2009-04-02 | 2010-02-24 | 湖南省第五工程有限公司 | Sliding scaffold for high-altitude installation of steel net network frame structure |
| CN101974977A (en) * | 2010-10-29 | 2011-02-16 | 中建二局第三建筑工程有限公司 | Pulley bracket platform with large-column-grid and large-area grid structure and construction method thereof by utilizing pulley bracket method |
| CN105089152A (en) * | 2015-07-10 | 2015-11-25 | 中铁十八局集团建筑安装工程有限公司 | Reverse installation and construction method for large bifurcated column and complex curved net rack |
| CN111395624A (en) * | 2020-03-31 | 2020-07-10 | 上海市机械施工集团有限公司 | Construction method of single-layer latticed shell structure |
| JP2021156016A (en) * | 2020-03-27 | 2021-10-07 | 株式会社フジタ | Construction work supporting system and construction work supporting method |
| CN113756502A (en) * | 2021-09-30 | 2021-12-07 | 北京建工集团有限责任公司 | Construction method of Z-shaped large-span aluminum alloy frame roof |
-
2022
- 2022-01-05 CN CN202210009433.8A patent/CN114482279A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151541A (en) * | 1995-11-30 | 1997-06-10 | Tomoe Corp | Method of cross-cut construction |
| CN201411898Y (en) * | 2009-04-02 | 2010-02-24 | 湖南省第五工程有限公司 | Sliding scaffold for high-altitude installation of steel net network frame structure |
| CN101974977A (en) * | 2010-10-29 | 2011-02-16 | 中建二局第三建筑工程有限公司 | Pulley bracket platform with large-column-grid and large-area grid structure and construction method thereof by utilizing pulley bracket method |
| CN105089152A (en) * | 2015-07-10 | 2015-11-25 | 中铁十八局集团建筑安装工程有限公司 | Reverse installation and construction method for large bifurcated column and complex curved net rack |
| JP2021156016A (en) * | 2020-03-27 | 2021-10-07 | 株式会社フジタ | Construction work supporting system and construction work supporting method |
| CN111395624A (en) * | 2020-03-31 | 2020-07-10 | 上海市机械施工集团有限公司 | Construction method of single-layer latticed shell structure |
| CN113756502A (en) * | 2021-09-30 | 2021-12-07 | 北京建工集团有限责任公司 | Construction method of Z-shaped large-span aluminum alloy frame roof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341653A (en) * | 2022-07-04 | 2022-11-15 | 北京建工集团有限责任公司 | Steep and gentle slope radian mutation multi-curved-surface steel reticulated shell building structure and construction process thereof |
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