CN114635548B - Rapid and accurate assembling device and method for hyperbolic space inverted triangle steel truss - Google Patents
Rapid and accurate assembling device and method for hyperbolic space inverted triangle steel truss Download PDFInfo
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- CN114635548B CN114635548B CN202210151913.8A CN202210151913A CN114635548B CN 114635548 B CN114635548 B CN 114635548B CN 202210151913 A CN202210151913 A CN 202210151913A CN 114635548 B CN114635548 B CN 114635548B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 238000003908 quality control method Methods 0.000 abstract description 4
- 230000008520 organization Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
Landscapes
- 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 rapid and accurate assembling device and an assembling method for a hyperbolic space inverted triangle steel truss, wherein the rapid and accurate assembling device comprises supporting units which are sequentially arranged, each supporting unit comprises two upright posts (12) and two bases (11), each upright post (12) is arranged on the upper surface of each base (11), the middle parts of the two upright posts (12) are connected through a cross beam (15), and an upper cross beam (16) is arranged at the upper end of each upright post (12); the two bases (11) are mutually perpendicular to form a T-shaped bottom structure, and the T-shaped bottom structures of the two adjacent supporting units are reversely staggered. By adopting the invention, 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 positioned and fixed fast and accurately, is convenient for linear control, is easy for quality control, improves the construction efficiency, reduces the cost and the like; and thirdly, the assembly device and the assembly method are simple and easy to understand, the stress is clear and definite, and the implementation difficulty of on-site organization is small.
Description
Technical Field
The invention relates to a rapid and accurate splicing device and method for a large-span hyperbolic space inverted triangle steel structure steel truss.
Background
Along with improvement of life quality of people, improvement of a station awning is attractive except for practical use, various theme models are provided for newly building the awning above the station, when a certain station is newly built, the whole form of the awning is elegant and light, the awning adopts a space truss steel structure, and the roof is in a double-slope double-curve fan-shaped bending intersecting state, so that the structural model is novel. The hyperbolic space inverted triangle steel truss is positioned right above the existing station and belongs to a special-shaped steel structure, and the problems that the stress is complex, the linear control is difficult, the ground assembly and high-altitude installation accuracy requirements are high and the like exist.
Disclosure of Invention
The invention aims to solve the technical problems that: the hyperbolic space inverted triangle 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:
the utility model provides a hyperbolic space inverted triangle steel truss assembly device, includes the supporting element that arranges in proper order, and every supporting element includes two stands 12 and two bases 11, and stand 12 are installed at base 11 upper surface, and the middle part of two stands 12 is connected through crossbeam 15, and upper end installation entablature 16 of every stand 12; the two bases 11 are mutually perpendicular to form a T-shaped bottom structure, and the T-shaped bottom structures of the two adjacent supporting units are reversely staggered.
The middle part of the cross beam 15 is provided with a support column, 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 a diagonal brace 13, one end of the diagonal brace is connected with the upright post 12, and the other end of the diagonal brace is connected with the base 11.
A pavement beam 17 is arranged between the upright posts 12 of two adjacent supporting units, the pavement beam 17 is positioned outside the upright posts 12, and a pavement plate 18 and a pavement guard rail 110 are arranged on the pavement beam 17.
An adjusting plate 19 is mounted on the upper surfaces of the cross member 15 and the upper cross member 16.
The uprights 12 of two adjacent support units are connected by tie bars 14.
The base 11 is a roadbed box, and the upper cross beam 16 is arranged on the inner side of the upper end of the upright post 12 through a bracket structure.
Firstly, installing the assembly device according to the structure, and then dividing the space curve truss into a plurality of parts
And the splicing of each section comprises the following steps:
s1, assembling a steel truss lower chord member 21 on a cross beam 15, and assembling a steel truss upper chord member 22 on an upper cross beam 16;
s2, simultaneously installing a straight web member 24 from the center to two ends between the lower chord member 21 and the upper chord member 22, and installing brackets 23 of the lower chord member 21;
s3, simultaneously installing diagonal web members 25 between the lower chord member 21 and the upper chord member 22 from the center to the two ends; when the assembly device is installed: and (3) carrying out three-dimensional coordinate paying-off by using a total station, firstly determining the positions of the upright posts 12 and the roadbed box, and then welding other connecting members.
When the splicing step of each segment is performed: and (3) carrying out three-dimensional coordinate paying-off by using a total station, lifting and positioning the lower chord 21 and the upper chord 22, and then sequentially carrying out spot welding and full welding.
The invention has the beneficial effects that: 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 positioned and fixed fast and accurately, is convenient for linear control, is easy for quality control, improves the construction efficiency, reduces the cost and the like; and thirdly, the assembly device and the assembly method are simple and easy to understand, the stress is clear and definite, and the implementation difficulty of on-site organization is small.
Drawings
Fig. 1 is a schematic structural view of a hyperbolic space inverted triangle steel truss on an assembling device.
Fig. 2 is a cross-sectional view of a hyperbolic space inverted triangle steel truss on a splicing device.
Fig. 3 is a plan view of the hyperbolic space inverted triangle steel truss on the splicing device.
Reference numerals illustrate:
10 assembling device
11 base roadbed boxes, 12 upright posts, 13 diagonal braces, 14 tie bars, 15 cross beams, 16 upper cross beams, 17 pavement beams,
18 walkway plates, 19 adjusting plates, 110 walkway guard rails.
20 hyperbolic space inverted triangle steel truss
21 lower chords, 22 upper chords, 23 corbels, 24 straight web members and 25 diagonal web members.
Detailed Description
Examples:
the utility model provides a hyperbolic space inverted triangle steel truss assembly device, includes the supporting element that arranges in proper order, and every supporting element includes two stands 12 and two bases 11, and stand 12 are installed at base 11 upper surface, and the middle part of two stands 12 is connected through crossbeam 15, and upper end installation entablature 16 of every stand 12; the two bases 11 are mutually perpendicular to form a T-shaped bottom structure, and the T-shaped bottom structures of the two adjacent supporting units are reversely staggered.
The base 11 is a roadbed box and is horizontally paved on the ground, so that the stressed area is enlarged, and the overall stability of the assembly device is ensured;
the upright post 12 is arranged in the middle of the roadbed box, and the bottom of the upright post 12 is welded with the upper surface of the roadbed box; the height of the upright 12 is determined by the height of the curve in which it is located.
The diagonal bracing 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 diagonal bracing 13 is welded and connected with the side surface of the upright post 12, and the lower end of the diagonal bracing 13 is welded and connected with the end part of the upper surface of the roadbed box.
Tie bars 14 are arranged between adjacent columns 12 and are horizontally and longitudinally arranged, and two ends of each tie bar 14 are welded with the side surfaces of the columns 12.
The lower cross beam 15 is arranged between the adjacent upright posts 12 and is horizontally and transversely arranged, and two ends of the lower cross beam 15 are welded with the inner side surfaces of the two upright posts 12.
The upper cross beam 16 is arranged right above the cross beam and on the side surface of the upright post, and is welded and connected with the side surface of the upright post in a bracket manner.
A pavement beam 17 is arranged between the upright posts 12 of two adjacent supporting units, the pavement beam 17 is positioned outside the upright posts 12, and a pavement plate 18 and a pavement guard rail 110 are arranged on the pavement beam 17. The walking beam 17 is welded and connected with the outer side surface of the upright post in a bracket manner. The walkway plate 18 is provided with the walkway beam upper surface, and the walkway plate is welded with the walkway beam. And the bottom of the pavement guard rail is welded.
Further, the assembling device is also provided with an adjusting plate 19 which mainly plays a role in adjusting elevation and is arranged on the upper surfaces of the lower beam 15 and the upper beam 16 and is connected through welding.
And selecting a coordinate origin according to the construction drawing. Three-dimensional coordinate paying-off is carried out by using a total station, the assembly device 10 is installed, the positions of the upright post 12 and the base 11 are firstly determined, and then other connecting members are welded: the stand column 12 is arranged on the base 11 and connected with the stand column 12 in a fillet welding manner, the diagonal bracing 13 is welded on the base 11 and the stand column 12 according to a fixed angle, the tie bar 14 is horizontally arranged between the adjacent stand columns 12 along the longitudinal direction and connected with the fillet welding manner, the lower cross beam 15 is horizontally arranged between the adjacent stand columns 12 along the transverse direction, the upper cross beam 16 is horizontally arranged right above the cross beam and on the side surface of the stand column 12, the upper cross beam 16 is connected with the side surface of the stand column 12 in a fillet welding manner by adopting a bracket manner, the pavement beam 17 is arranged on the outer side surface of the stand column 12 and the pavement beam 17 is connected with the outer side surface of the stand column 12 in a welding manner by adopting a bracket manner, the pavement plate 18 is arranged on the upper surface of the adjacent pavement beam 17 and the pavement plate 18 is fixed with the pavement beam 17 in a spot welding manner, the pavement protection rail 110 is arranged on the upper surface of the pavement plate and the pavement protection rail 110 is connected with the pavement plate 18 in a welding manner. In order to accurately position and determine the position of the adjusting plate through three-dimensional coordinate lofting, the adjusting plate 19 is arranged on the upper surface of the lower beam 15 and in spot welding connection, and the adjusting plate 19 is arranged on the upper surface of the upper beam 16 and in spot welding connection.
Example 2: and selecting a coordinate origin according to the construction drawing. Three-dimensional coordinate paying-off is performed by using a total station, a hyperbolic space inverted triangle steel truss 20 is assembled, a steel truss lower chord member 21 is assembled on an adjusting plate 19 of a lower beam 15, a steel truss upper chord member 22 is assembled on an adjusting plate 19 of an upper beam 16, a straight web member 24 is simultaneously installed from the center to the two end directions between the lower chord member 21 and the upper chord member 22, a bracket 23 of the lower chord member 21 is installed, and an inclined web member 25 is simultaneously installed from the center to the two end directions between the lower chord member 21 and the upper chord member 22.
Dividing the space curve truss into a plurality of sections, and assembling each section to execute the following steps:
s1, determining the space positions of a lower chord member 21 and an upper chord member 22 through three-dimensional coordinate lofting, assembling the lower chord member 21 of the steel truss on an adjusting plate 19 of a lower beam 15, and assembling the upper chord member 22 of the steel truss on an adjusting plate 19 of an upper beam 16; after the lower chord 21 and the upper chord 22 are lifted and positioned, spot welding is sequentially performed, and then the lifting hook is released for full welding.
S2, determining the spatial positions of the bracket 23, the straight web member 24 and the inclined web member 25 through three-dimensional coordinate lofting, simultaneously installing the straight web member 24 from the center to the two ends between the lower chord member 21 and the upper chord member 22, installing the bracket 23 of the lower chord member 21 from the center to the two ends between the lower chord member 21 and the upper chord member 22, and installing the inclined web member 25 of the upper chord member 22 from the center to the two ends between the lower chord member 21 and the upper chord member 22;
s3, after welding seams of the straight web member 24, the lower chord member 21 and the upper chord member 22 are detected to be qualified, installing inclined web members 25 between the lower chord member 21 and the upper chord member 22 and at two sides of the straight web member 24 from the center to two ends;
in the embodiment, all the components are processed in factories, hoisted by 50t automobiles on site, and all the components are welded and connected.
The invention aims at the problems that the hyperbolic space inverted triangle steel truss is positioned right above the existing station and belongs to a special-shaped steel structure, the line type is difficult to control, the requirement on the installation precision 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 invention can effectively shorten the construction period in terms of construction period, reduce the construction cost in terms of mechanical configuration, reduce the potential safety hazard in terms of potential safety hazard, and has easy quality control in terms of quality control.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The utility model provides a quick accurate device of assembling of hyperbolic space inverted triangle steel truss, includes the supporting element that the order was arranged, 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 an upper cross beam (16) is arranged at the upper end of each upright post (12); the two bases (11) are mutually perpendicular to form a T-shaped bottom structure, and the T-shaped bottom structures of the two adjacent supporting units are reversely staggered and are distributed along a curve; 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).
2. The rapid and accurate assembling device for the hyperbolic space inverted triangle steel truss, which is disclosed in claim 1, is characterized in that a supporting column is arranged in the middle of a cross beam (15), and the lower end of the supporting 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 rapid and accurate assembling device for the hyperbolic space inverted triangle steel truss according to claim 1, wherein a pavement beam (17) is arranged between the upright posts (12) of two adjacent supporting units, the pavement beam (17) is positioned on the outer side of the upright posts (12), and a pavement plate (18) and a pavement guard rail (110) are arranged on the pavement beam (17).
4. The rapid and accurate assembling device for the hyperbolic space inverted triangle steel truss, which is disclosed in claim 1, is characterized in that an adjusting plate (19) is arranged on the upper surfaces of the cross beam (15) and the upper cross beam (16).
5. The rapid and accurate assembling device for the hyperbolic space inverted triangle steel truss, as claimed in claim 1, is characterized in that the upright posts (12) of two adjacent supporting units are connected through a tie bar (14).
6. The rapid and accurate assembling device for the hyperbolic space inverted triangle steel truss, which is disclosed by any one of claims 1-5, is characterized in that the base (11) is a roadbed box, and the upper cross beam (16) is arranged on the inner side of the upper end of the upright post (12) through a bracket structure.
7. A rapid and accurate assembling method of a hyperbolic space inverted triangle steel truss is characterized by comprising the following steps: the structure installation assembly device according to claim 6, wherein the hyperbolic space inverted triangle steel truss is divided into a plurality of sections, and the assembly of each section comprises the following steps: s1, assembling a steel truss lower chord member (21) on a cross beam (15), and assembling a steel truss upper chord member (22) on an upper cross beam (16); s2, simultaneously installing straight web members (24) from the center to two ends between a lower chord member (21) and an upper chord member (22), and installing brackets (23) of the lower chord member (21); s3, simultaneously installing inclined web members (25) between the lower chord member (21) and the upper chord member (22) from the center to the two ends.
8. The rapid and accurate assembling method of the hyperbolic space inverted triangle steel truss according to claim 7, wherein 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 base (11), then welding other connecting members, and determining the strength and the specification and the size of the used materials by adopting assembly device components through stress calculation.
9. The rapid and accurate splicing method of hyperbolic space inverted triangle steel trusses according to claim 8, characterized in that when the splicing step of each section is performed: and (3) carrying out three-dimensional coordinate paying-off by using a total station, lifting and positioning a lower chord member (21) and an upper chord member (22), and then sequentially carrying out spot welding and full welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151913.8A CN114635548B (en) | 2022-02-18 | 2022-02-18 | Rapid and accurate assembling device and method for hyperbolic space inverted triangle steel truss |
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| CN202210151913.8A CN114635548B (en) | 2022-02-18 | 2022-02-18 | Rapid and accurate assembling device and method for hyperbolic space inverted triangle steel truss |
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| CN114635548B true CN114635548B (en) | 2024-04-05 |
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| 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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