CN114635548A - Rapid and accurate assembling device and method for hyperbolic space inverted triangular steel truss - Google Patents
Rapid and accurate assembling device and method for hyperbolic space inverted triangular steel truss Download PDFInfo
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- CN114635548A CN114635548A CN202210151913.8A CN202210151913A CN114635548A CN 114635548 A CN114635548 A CN 114635548A CN 202210151913 A CN202210151913 A CN 202210151913A CN 114635548 A CN114635548 A CN 114635548A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 14
- 238000003908 quality control method Methods 0.000 abstract description 3
- 230000008520 organization Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 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
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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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
- E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
-
- 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
-
- 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
-
- 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
-
- 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
- E04G5/06—Consoles; Brackets
- E04G5/061—Consoles; Brackets specially adapted for attachment to scaffolds
-
- 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
- E04G5/14—Railings
-
- 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
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a fast and accurate assembling device and method for a hyperbolic space inverted triangular steel truss, which comprises supporting units which are sequentially arranged, wherein each supporting unit comprises two stand columns (12) and two bases (11), the stand columns (12) are arranged on the upper surfaces of the bases (11), the middle parts of the two stand columns (12) are connected through a cross beam (15), and the upper end of each stand column (12) is provided with an upper cross beam (16); the two bases (11) are perpendicular to each other to form a T-shaped bottom structure, and the T-shaped bottom structures of the two adjacent supporting units are arranged in a reverse staggered mode. After the method is adopted, firstly, the high-altitude construction above the existing operation station is greatly reduced, the operation safety of the existing station is ensured, and the construction period is shortened; secondly, the device can be quickly and accurately positioned and fixed, linear control is facilitated, quality control is easy, construction efficiency is improved, cost is reduced, and the like; thirdly, the assembly device and the assembly method are simple and easy to understand, the stress is clear and definite, and the field organization implementation difficulty is small.
Description
Technical Field
The invention relates to a device and a method for quickly and accurately splicing a large-span hyperbolic space inverted triangular steel structure steel truss.
Background
Along with people's quality of life's improvement, still will compromise beautifully except practical to the improvement of station canopy, newly-built canopy in station top has various theme molding, when carrying out newly-built canopy to certain station, its canopy whole form is graceful and graceful, and the canopy adopts the space truss steel construction, and the roofing is the crooked state that runs through of bilge hyperbolic sector, structural style is novel. The hyperbolic space inverted triangular steel truss is located right above an existing station and belongs to a special-shaped steel structure, and the problems of complex stress, difficulty in linear control, high requirements on ground assembly and high-altitude installation accuracy and the like exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the hyperbolic space inverted triangular steel truss has the problems of complex stress, difficult linear control, high ground assembly and high altitude installation precision requirement and the like.
The technical scheme of the invention is as follows:
a hyperbolic space inverted triangular steel truss splicing device comprises supporting units which are sequentially arranged, each supporting unit comprises two upright columns 12 and two bases 11, the upright columns 12 are installed on the upper surfaces of the bases 11, the middles of the two upright columns 12 are connected through cross beams 15, and the upper end of each upright column 12 is provided with an upper cross beam 16; the two bases 11 are perpendicular to each other to form a T-shaped bottom structure, and the T-shaped bottom structures of two adjacent supporting units are arranged in a reverse staggered mode.
A support column is arranged in the middle of the cross beam 15, and the lower end of the support column is fixed on the base 11; the inner side of the upright post 12 is provided with an inclined strut 13 which is connected with the base 11.
Two adjacent supporting units are connected through an inclined strut 13, one end of the inclined strut is connected with the upright post 12, and the other end of the inclined strut is connected with the base 11.
A walkway beam 17 is installed between the upright posts 12 of two adjacent supporting units, the walkway beam 17 is positioned at the outer side of the upright post 12, and a walkway plate 18 and a walkway guard rail 110 are installed on the walkway beam 17.
Adjusting plates 19 are installed on the upper surfaces of the cross member 15 and the upper cross member 16.
The upright posts 12 of two adjacent supporting units are connected through a tie rod 14.
The base 11 is a roadbed box, and the upper beam 16 is arranged on the inner side of the upper end of the upright post 12 through a bracket structure.
Firstly, the assembling device is installed according to the structure, and then the space curve truss is divided into a plurality of space curve trusses
And each section is assembled to execute the following steps:
s1, assembling the lower chord 21 of the steel truss on the cross beam 15 and assembling the upper chord 22 of the steel truss on the upper cross beam 16;
s2, simultaneously attaching the web members 24 and the corbels 23 of the lower chord 21 between the lower chord 21 and the upper chord 22 from the center to both ends;
s3, simultaneously attaching diagonal web members 25 between the lower chord 21 and the upper chord 22 from the center to both ends; when the assembling device is installed: and (3) carrying out three-dimensional coordinate paying-off by using a total station, firstly determining the positions of the upright post 12 and the roadbed box, and then welding other connecting components.
When the assembling step of each segment is executed: and (3) performing three-dimensional coordinate paying-off by using a total station, hoisting and positioning the lower chord 21 and the upper chord 22, and then sequentially performing spot welding and full welding.
The invention has the beneficial effects that: firstly, the high-altitude construction above the existing station is greatly reduced, the safety of the existing station operation is ensured, and the construction period is shortened; secondly, the device can be quickly and accurately positioned and fixed, linear control is facilitated, quality control is easy, construction efficiency is improved, cost is reduced, and the like; thirdly, the assembly device and the assembly method are simple and easy to understand, the stress is clear and definite, and the field organization implementation difficulty is small.
Drawings
Fig. 1 is a schematic structural diagram of a hyperbolic space inverted triangular steel truss on an assembling device.
Fig. 2 is a sectional view of a hyperbolic space inverted triangular steel truss on a splicing device.
Fig. 3 is a plan view of a hyperbolic space inverted triangular steel truss on a splicing device.
Description of reference numerals:
10 assembling device
11 base roadbed boxes, 12 upright posts, 13 diagonal braces, 14 tie bars, 15 cross beams, 16 upper cross beams, 17 walkway beams,
18 walkway plates, 19 adjusting plates, 110 walkway guard rails.
20 hyperbolic space inverted triangular steel truss
21 lower chord, 22 upper chord, 23 corbel, 24 straight web member and 25 oblique web member.
Detailed Description
Example (b):
a hyperbolic space inverted triangular steel truss splicing device comprises supporting units which are sequentially arranged, each supporting unit comprises two upright columns 12 and two bases 11, the upright columns 12 are installed on the upper surfaces of the bases 11, the middles of the two upright columns 12 are connected through cross beams 15, and the upper end of each upright column 12 is provided with an upper cross beam 16; the two bases 11 are perpendicular to each other to form a T-shaped bottom structure, and the T-shaped bottom structures of two adjacent supporting units are arranged in a reverse staggered mode.
The base 11 is a roadbed box which is horizontally paved on the ground and used for enlarging the stress area and ensuring the integral stability of the splicing device;
the upright post 12 is arranged in the middle of the roadbed box, and the bottom of the upright post 12 is connected with the upper surface of the roadbed box in a welding way; the height of the upright 12 depends on the height of the curved position in which it is located.
The inclined strut 13 is arranged at the end part of the upper surface of the roadbed box and the side surface of the upright post 12, the upper end of the inclined strut 13 is connected with the side surface of the upright post 12 in a welding mode, and the lower end of the inclined strut 13 is connected with the end part of the upper surface of the roadbed box in a welding mode.
And the tie bars 14 are arranged between the adjacent upright posts 12 and are horizontally and longitudinally arranged, and two ends of the tie bars 14 are connected with the side surfaces of the upright posts 12 in a welding way.
And the lower cross beam 15 is arranged between the adjacent upright columns 12 and horizontally arranged, and two ends of the lower cross beam 15 are welded with the inner side surfaces of the two upright columns 12.
And the upper cross beam 16 is arranged right above the cross beam and on the side surface of the stand column, and the upper cross beam is connected with the side surface of the stand column in a bracket mode in a welding mode.
A walkway beam 17 is installed between the upright posts 12 of two adjacent supporting units, the walkway beam 17 is positioned at the outer side of the upright post 12, and a walkway plate 18 and a walkway guard rail 110 are installed on the walkway beam 17. The walkway beam 17 is welded with the outer side surface of the upright post in a bracket mode. The walkway plate 18 is arranged on the upper surface of the walkway beam and is welded with the walkway beam. The bottom of the walkway guard rail is welded.
Furthermore, the assembling device is also provided with an adjusting plate 19 which mainly plays a role of adjusting elevation and is arranged on the upper surfaces of the lower cross beam 15 and the upper cross beam 16 and connected through welding.
Wherein, the origin of coordinates is selected according to a construction drawing. Using a total station to pay off three-dimensional coordinates, installing the assembling device 10, firstly determining the positions of the upright post 12 and the base 11, and then welding other connecting components: the upright columns 12 are arranged on the base 11 and connected in a fillet welding mode, the inclined struts 13 are welded on the base 11 and the upright columns 12 in a fillet welding mode according to fixed angles, the tie bars 14 are arranged between the adjacent upright columns 12 in a longitudinal horizontal mode and connected in a fillet welding mode, the lower cross beams 15 are arranged between the adjacent upright columns 12 in a fillet welding mode along a transverse horizontal mode, the upper cross beams 16 are arranged right above the cross beams and on the side faces of the upright columns 12 in a fillet welding mode, the upper cross beams 16 are connected with the side faces of the upright columns 12 in a bracket welding mode, the walkway beams 17 are arranged on the outer side faces of the upright columns 12 and connected with the outer side faces of the upright columns 12 in a bracket welding mode, the walkway plates 18 are arranged on the upper surfaces of the adjacent walkway beams 17, the walkway plate spot welding protective railings 110 are arranged on the upper surfaces of the walkway plates and connected with the walkway plates 18 in a welding mode. In order to accurately position the adjusting plate determined by three-dimensional coordinate lofting, the adjusting plate 19 is disposed on the upper surface of the lower cross member 15 and spot-welded to the upper surface of the upper cross member 16.
Example 2: and selecting the origin of coordinates according to a construction drawing. The method comprises the steps of using a total station to carry out three-dimensional coordinate paying-off, assembling a hyperbolic space inverted triangular steel truss 20, assembling a steel truss lower chord 21 on an adjusting plate 19 of a lower cross beam 15, assembling a steel truss upper chord 22 on an adjusting plate 19 of an upper cross beam 16, simultaneously installing straight web members 24 from the center to the two end directions between the lower chord 21 and the upper chord 22, installing a bracket 23 of the lower chord 21, and simultaneously installing inclined web members 25 from the center to the two end directions between the lower chord 21 and the upper chord 22.
The space curve truss is divided into a plurality of sections, and the following steps are executed in the assembling of each section:
s1, determining the spatial positions of the lower chord 21 and the upper chord 22 through three-dimensional coordinate lofting, assembling the steel truss lower chord 21 on the adjusting plate 19 of the lower cross beam 15, and assembling the steel truss upper chord 22 on the adjusting plate 19 of the upper cross beam 16; the lower chord member 21 and the upper chord member 22 are lifted and positioned, spot welding is performed in sequence, and then the hook is loosened to perform full welding.
S2, determining the spatial positions of the corbel 23, the straight web member 24 and the diagonal web member 25 by three-dimensional coordinate lofting, installing the straight web member 24 between the lower chord 21 and the upper chord 22 from the center to both ends, installing the corbel 23 of the lower chord 21 between the lower chord 21 and the upper chord 22 from the center to both ends, and installing the diagonal web member 25 of the upper chord 22 between the lower chord 21 and the upper chord 22 from the center to both ends;
s3, after the welding seams of the straight web member 24, the lower chord member 21 and the upper chord member 22 are detected to be qualified, the inclined web members 25 are arranged between the lower chord member 21 and the upper chord member 22 and on two sides of the straight web member 24 from the center to two ends;
in the embodiment, all the components are processed in a factory, and are hoisted by a 50t automobile on site and are welded and connected.
The invention aims at the problems that a hyperbolic space inverted triangular steel truss is positioned right above an existing station and belongs to a special-shaped steel structure, the line type is difficult to control, the requirement on installation accuracy is high, the construction difficulty is high, the construction period is long, and the like. The problems of difficult linear control, high ground assembly and high-altitude installation precision requirement and the like are solved through the assembly device and the assembly method. The method can effectively shorten the construction period in the aspect of construction period, reduce the construction cost in the aspect of mechanical configuration, reduce potential safety hazards in the aspect of potential safety hazards, and is easy to control the quality in the aspect of quality control.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. The utility model provides a device is assembled to quick accurate of hyperbolic space inverted triangle steel truss, includes the support element who arranges in proper order, its characterized in that: each supporting unit comprises two upright posts (12) and two bases (11), the upright posts (12) are arranged on the upper surfaces of the bases (11), the middle parts of the two upright posts (12) are connected through a cross beam (15), and the upper end of each upright post (12) is provided with an upper cross beam (16); the two bases (11) are perpendicular to each other to form a T-shaped bottom structure, and the T-shaped bottom structures of the two adjacent supporting units are arranged in a reverse staggered mode.
2. The fast and accurate splicing device for the hyperbolic space inverted triangular steel truss according to claim 1, wherein a support column is arranged in the middle of a cross beam (15), and the lower end of the support column is fixed on a base (11); the inner side of the upright post (12) is provided with an inclined strut (13) which is connected with the base (11).
3. The fast and accurate assembling device for the hyperbolic space inverted triangular steel truss according to claim 1, wherein two adjacent supporting units are connected through an inclined strut (13), one end of the inclined strut is connected with an upright post (12), and the other end of the inclined strut is connected with a base (11).
4. The hyperbolic space inverted-triangular steel truss rapid and accurate assembling device is characterized in that a walkway beam (17) is installed between the upright columns (12) of two adjacent supporting units, the walkway beam (17) is located on the outer sides of the upright columns (12), and a walkway plate (18) and a walkway guard rail (110) are installed on the walkway beam (17).
5. The fast and accurate assembling device for the hyperbolic space inverted triangular steel truss according to claim 1, which is characterized in that adjusting plates (19) are arranged on the upper surfaces of the cross beam (15) and the upper cross beam (16).
6. The fast and accurate assembling device for the hyperbolic space inverted triangular steel truss according to claim 1, wherein the upright columns (12) of two adjacent supporting units are connected through a tie rod (14).
7. The fast and accurate assembling device for the hyperbolic space inverted triangular steel truss according to any one of claims 1-6, characterized in that the base (11) is a roadbed box, and the upper cross beam (16) is installed on the inner side of the upper end of the upright post (12) through a corbel structure.
8. A method for quickly and accurately assembling a hyperbolic space inverted triangular steel truss is characterized by comprising the following steps: firstly, the assembling device is installed according to the structure of claim 7, then the double-curved space inverted triangular steel truss is divided into a plurality of sections, and the assembling of each section is implemented by the following steps:
s1, assembling a lower chord (21) of the steel truss on the cross beam (15), and assembling an upper chord (22) of the steel truss on the upper cross beam (16);
s2, mounting straight web members (24) and corbels (23) of the lower chord (21) between the lower chord (21) and the upper chord (22) from the center to the two ends;
s3, diagonal web members (25) are simultaneously installed between the lower chord (21) and the upper chord (22) from the center to the two ends.
9. The fast and accurate assembling method for the hyperbolic space inverted triangular steel truss according to claim 8, which is characterized in that when the assembling device is installed: the method comprises the steps of using a total station to conduct three-dimensional coordinate paying-off, firstly determining the positions of an upright post (12) and a base (11), then welding other connecting components, and determining the strength and specification and size of materials by stress calculation of all the adopted assembly device components.
10. The method for quickly and accurately splicing the hyperbolic space inverted-triangular steel truss according to claim 8, wherein when the splicing step of each section is executed: and (3) carrying out three-dimensional coordinate paying-off by using a total station, hoisting and positioning the lower chord (21) and the upper chord (22), and then sequentially carrying out spot welding and full welding.
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| CN114635548B CN114635548B (en) | 2024-04-05 |
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| CN108252524A (en) * | 2017-12-22 | 2018-07-06 | 上海市机械施工集团有限公司 | A kind of assembly moulding bed and a kind of hyperbola truss assembling method |
| CN209099805U (en) * | 2018-06-29 | 2019-07-12 | 中建钢构有限公司 | Freely adjustable truss support device |
| CN210858025U (en) * | 2019-08-08 | 2020-06-26 | 甘肃建投钢结构有限公司 | Adjustable support bed-jig of space pipe truss |
| CN110722318A (en) * | 2019-11-04 | 2020-01-24 | 中铁五局集团建筑工程有限责任公司 | Precise adjustable steel truss assembling jig frame and assembling method |
| CN212487555U (en) * | 2019-12-30 | 2021-02-09 | 北京康琪建筑安装工程有限公司 | Novel steel construction large-span arched shed |
| CN111593895A (en) * | 2020-05-29 | 2020-08-28 | 中冶天工集团有限公司 | Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss |
| CN215407491U (en) * | 2020-12-21 | 2022-01-04 | 上海二十冶建设有限公司 | Jig frame for assembling inverted triangular pipe truss in C-shaped stock ground |
| CN113356597A (en) * | 2021-06-15 | 2021-09-07 | 浙江省一建建设集团有限公司 | Lifting process of large-span net rack and truss combined roof |
| CN215519167U (en) * | 2021-07-02 | 2022-01-14 | 中国建筑一局(集团)有限公司 | Inverted triangular truss splicing construction node |
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