CN109057365B - High-altitude sliding installation method for large-span pipe truss roof truss - Google Patents
High-altitude sliding installation method for large-span pipe truss roof truss Download PDFInfo
- Publication number
- CN109057365B CN109057365B CN201811013450.9A CN201811013450A CN109057365B CN 109057365 B CN109057365 B CN 109057365B CN 201811013450 A CN201811013450 A CN 201811013450A CN 109057365 B CN109057365 B CN 109057365B
- Authority
- CN
- China
- Prior art keywords
- truss
- pipe
- jig frame
- pipe truss
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- 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
- E04G21/16—Tools or apparatus
- E04G21/163—Jacks specially adapted for working-up 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
- 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
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a high-altitude sliding installation method of a large-span pipe truss roof truss, which comprises the following steps of: 1) carrying out stress checking calculation and selecting a power traction system; 2) designing and manufacturing a sliding installation support; 3) two groups of steel rail groups are arranged, and a sliding mounting bracket is respectively arranged on the two groups of steel rail groups; 4) assembling a pipe truss roof truss; 5) hoisting the pipe truss roof truss to the support jig frames of the two sliding installation supports; 6) adjusting the jack to make the elevation of the concrete columns at the two ends of the pipe truss roof truss; 7) the power traction system drives the bearing support to move; 8) slowly unloading the jack after the installation is finished, and installing the next pipe truss; 9) and repeating the steps until all the pipe trusses are installed. The invention does not need large-scale equipment, is more convenient to construct, can greatly reduce the cost in the whole construction process, and shortens the construction period, thereby greatly improving the construction efficiency.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a high-altitude sliding installation method of a large-span pipe truss roof truss.
Background
Along with the rapid development of economy in China, the living standard of people's materials is improved, the requirements of people on spiritual life are higher and higher, and in recent years, China builds a large number of cultural public buildings including sports centers, movie theaters and the like. The building models are more and more novel, the structures are more and more complex, the traditional reinforced concrete structure can not meet the requirements of structural stress and building models, and compared with the reinforced concrete structure, the steel (pipe) structure has the characteristics of light dead weight, high strength, good ductility, short construction period, good earthquake resistance, industrial production and the like, and can meet the requirements of various complex building models, so that the space large-span steel structure buildings occupy more and more in proportion in the building market.
If the installation technology of the large-span pipe truss roof adopts a traditional single machine or hoisting, large-scale hoisting equipment is needed, equipment lease cost and plant entrance and exit cost are high, the difficulty of double-machine matching is high, and because the span of the pipe truss is large, in order to reduce downwarping caused by dead weight, a support bracket needs to be erected in a field until a secondary truss between two main trusses is installed and a stable space structure system is formed, so that great inconvenience is brought to construction, the existing support bracket is poor in adaptability, a plurality of support frames need to be erected, the construction quality cannot be guaranteed, the construction period is greatly prolonged, and the construction efficiency is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the problems of high construction difficulty, long construction period, large-scale equipment, high construction cost and easy generation of downwarping in the high-altitude sliding installation process of the large-span pipe truss roof truss, and provides the high-altitude sliding installation method of the large-span pipe truss roof truss, which has the advantages of no need of large-scale equipment, more convenient construction, capability of greatly reducing the cost in the whole construction process and shortening the construction period, thereby greatly improving the construction efficiency.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows: a high-altitude sliding installation method for a large-span pipe truss roof truss is characterized by comprising the following steps: the method comprises the following steps:
1) carrying out stress checking calculation according to the weight of the pipe truss roof truss to be installed, and selecting an adaptive power traction system;
2) designing and manufacturing a sliding installation support, wherein the sliding installation support comprises a bearing support, an operation platform, a supporting jig frame and a jack, the bearing support is of a truss structure with a rectangular section, and two groups of rollers with locking structures are arranged at the lower end of the bearing support; the operating platform is positioned at the upper end of the bearing support and is welded with the bearing support; the supporting jig frame is positioned in the middle of the operation platform and comprises an upper jig frame and a lower jig frame, the upper jig frame and the lower jig frame are both in a shape like a Chinese character 'tian', the lower jig frame is welded with the operation platform, four jacks are arranged between the upper jig frame and the lower jig frame, and the four jacks are respectively positioned between four sides of the upper jig frame and the lower jig frame; a plurality of pipe truss support steel pipes are vertically arranged above the upper jig frame;
3) two groups of steel rail groups are arranged between two concrete columns of a pipe truss roof truss to be installed in a venue, one end of each steel rail group is positioned outside the venue, and the other end of each steel rail group extends into the venue; wherein, the two groups of steel rails comprise two parallel steel rails and are horizontally laid on the ground; a sliding mounting bracket is respectively arranged on the two groups of steel rails, wherein the roller of the sliding mounting bracket is in sliding fit with the steel rails;
4) assembling the pipe truss roof truss from the middle to the two ends in the assembling process until the assembling of the pipe truss roof truss is finished;
5) hoisting the pipe truss roof truss outside the venue to the support bed-jig of the two sliding installation supports, and placing the connecting ball of the pipe truss on the pipe truss support steel pipe of the support bed-jig of the two sliding installation supports, wherein the pipe truss support steel pipe supports two sides of the pipe truss roof truss;
6) the elevation of the lowest point of the two ends of the pipe truss roof truss is higher than the elevation of the concrete column by adjusting the jack; then arranging an H-shaped steel cushion block between the upper jig frame and the lower jig frame, and connecting the H-shaped steel cushion block with the upper jig frame and the lower jig frame through bolts;
7) slowly driving the bearing support to move into the venue through a power traction system until the pipe truss roof truss is conveyed to an installation position; after the positions of the X-axis and the Y-axis installed by the roller and the steel rail positioning pipe truss are rechecked to be qualified, the H-shaped steel cushion block is removed, the height of the pipe truss in the Z-axis direction is adjusted by the jack until the pipe truss roof truss is located at the installation position of the concrete column;
8) after the installation position is rechecked to be qualified, an operator installs the secondary truss in a certain range on the two main truss supports through the operation platform to form a stable space structure system, and slowly unloads the jack after the installation is finished to install the next pipe truss;
9) and repeating the steps until all the pipe trusses are installed.
Furthermore, H-shaped steel cushion blocks between four sides of the upper jig frame and the lower jig frame are distributed on two sides of the jack.
Furthermore, the bearing support is constructed by steel pipes, angle steel and H-shaped steel, and one side of the bearing support is provided with a ladder stand; the lower extreme of cat ladder is close to the lower extreme of bearing support, and the upper end extends to operation platform.
Furthermore, guard rails are arranged around the operating platform.
Furthermore, the front side and the rear side of the bearing support along the moving direction of the steel rail are respectively provided with a supporting leg, the supporting legs are of truss structures, the upper ends of the supporting legs are fixedly connected with the bearing support, the lower ends of the supporting legs are inclined to the direction away from the bearing support, and the lower ends of the bearing support are also provided with rollers with locking structures; the lower end of the supporting leg is connected with the bearing support through H-shaped steel.
Furthermore, the pipe truss supports six steel pipes and is distributed on two sides of the upper jig frame corresponding to two sides of the pipe truss roof truss; wherein, the internal diameter that the pipe truss supported the steel pipe is greater than the diameter of pipe truss connection ball.
Furthermore, a support frame is arranged in the middle of the operating platform, and the lower jig frame is welded with the support frame.
Compared with the prior art, the invention has the following advantages:
1. the installation method solves the installation problem of the large-span pipe truss roof truss on the roof of the large-span venue with large backfill amount of peripheral soil in a narrow space of a city or with a basement and a stand.
2. The mounting method solves the problem of high-altitude sliding mounting of the large-span pipe truss roof truss, and the support jig well avoids downwarping of the pipe truss in the in-place process; the construction process does not need to adopt large-scale equipment, the construction is more convenient, and the cost in the whole construction process can be greatly reduced.
3. The positioning adjustment in the installation process of the pipe truss can be realized by sliding the installation support, the operation platform, the support jig frame and the jack, the construction method is simple and convenient, the construction period can be shortened, and the construction efficiency is greatly improved.
4. The hoisting frame is simple in manufacturing material, convenient to operate, capable of being repeatedly used, capable of replacing a large crane for hoisting, and good in economical efficiency.
5. The operation platform can be used for providing secondary truss installation within a certain range, after the secondary truss installation within the platform operation range is completed, the roof truss forms a stable space structure system, the next truss can be directly installed by taking measures, and the rest secondary trusses are hoisted and installed through a small crane, so that the utilization rate of the support is improved, and the construction cost is reduced.
Drawings
FIG. 1 is a schematic structural view during the construction process of the present invention.
Fig. 2 is a schematic structural view of the sliding mounting bracket.
FIG. 3 is a top view of the skid mount bracket.
Fig. 4 is a schematic view of a support structure of a pipe truss roof truss.
In the figure: the steel truss structure comprises a bearing support, 21 parts of an upper jig frame, 22 parts of a lower jig frame, 3 parts of a jack, 4 parts of a pipe truss supporting steel pipe, 5 parts of a concrete column, 6 parts of a steel rail, 7 parts of a pipe truss roof truss, 8 parts of an H-shaped steel cushion block, 9 parts of a ladder stand, 10 parts of a protective guard, 11 parts of supporting legs and 12 parts of a supporting frame.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
Example (b): referring to fig. 1 to 4, a high-altitude sliding installation method for a large-span pipe truss roof truss comprises the following steps:
1) and (4) carrying out stress checking calculation according to the weight of the pipe truss roof truss 7 to be installed, and selecting an adaptive power traction system.
2) Designing and manufacturing a sliding installation support; the sliding installation support comprises a bearing support 1, an operation platform, a supporting jig frame and a jack 3. The bearing support 1 is of a truss structure with a rectangular section, and two groups of rollers with locking structures are arranged at the lower end of the bearing support; in the actual manufacturing process, the bearing support 1 is formed by building a steel pipe, angle steel and H-shaped steel, so that the overall cost is lower, the processing is more convenient, and the stability is better. The front side and the rear side of the bearing support 1 along the moving direction of the steel rail 6 are respectively provided with a supporting leg 11; the supporting legs 11 are of truss structures, the upper ends of the supporting legs 11 are fixedly connected with the bearing support 1, and during specific implementation, the upper ends of the supporting legs 11 are located at the middle upper part of the bearing support 1; the lower end of the bearing support 1 is inclined to the direction back to the bearing support 1, and the lower end of the bearing support 1 is also provided with a roller with a locking structure; the lower end of the supporting leg 11 is connected with the bearing bracket 1 through H-shaped steel. Like this, can guarantee the stability of whole installing support better, avoid whole installing support to empty.
The operating platform is positioned at the upper end of the bearing support 1 and is welded with the bearing support 1. One side of the bearing bracket 1 is provided with a ladder stand 9; the lower end of the ladder stand 9 is close to the lower end of the bearing support 1, and the upper end of the ladder stand extends to the operating platform; thereby being convenient for constructors to climb the operation platform for construction operation. In order to improve the safety, guard rails 10 are arranged around the operating platform. The supporting jig frame is positioned in the middle of the operating platform and comprises an upper jig frame 21 and a lower jig frame 22, and the upper jig frame 21 and the lower jig frame 22 are both shaped like a Chinese character 'tian'. The lower jig frame 22 is welded with the operating platform, in specific implementation, the middle of the operating platform is provided with a support frame 12, and the lower jig frame 22 is welded with the support frame 12; in this way, the height of the supporting jig can be made high enough to meet the supporting requirements for the pipe truss (roof truss). Four jacks 3 are arranged between the upper jig frame 21 and the lower jig frame 22, and the four jacks 3 are respectively positioned between the four sides of the upper jig frame 21 and the lower jig frame 22. A plurality of truss support steel pipes 4 are vertically arranged above the upper jig frame 21; the pipe truss supports six steel pipes 4 and is distributed on two corresponding sides of the upper moulding bed 21 and the pipe truss roof truss 7; wherein, the inner diameter of the pipe truss support steel pipe 4 is larger than the diameter of the pipe truss connecting ball; thereby making the support effect to pipe truss roof truss 7 better, stability is stronger.
3) Two groups of steel rail groups are arranged between two concrete columns 5 of a pipe truss roof truss 7 to be installed in a venue, one end of each steel rail group is positioned outside the venue, and the other end of each steel rail group extends into the venue; wherein, the two groups of steel rails comprise two parallel steel rails 6 and are horizontally laid on the ground; and a sliding mounting bracket is respectively arranged on the two groups of steel rails, wherein the roller of the sliding mounting bracket is in sliding fit with the steel rail 6.
4) Assembling the pipe truss roof truss 7, and assembling from the middle to two ends in the assembling process until the assembling of the pipe truss roof truss 7 is completed; thus, the stability of the pipe truss roof truss 7 can be better ensured, and the occurrence of downwarping is reduced.
5) The pipe truss roof truss is hoisted to the supporting tire carriers of the two sliding mounting supports outside the venue, and the connecting balls of the pipe truss are placed on the pipe truss supporting steel pipes 4 of the supporting tire carriers of the two sliding mounting supports, wherein the pipe truss supporting steel pipes 4 support the two sides of the pipe truss roof truss 7.
6) The elevation of the lowest point of the two ends of the pipe truss roof truss 7 is higher than the elevation of the concrete column 5 (an installation support on the concrete column 5) by adjusting the jack 3; then arranging an H-shaped steel cushion block 8 between the upper jig frame 21 and the lower jig frame 22, and connecting the H-shaped steel cushion block 8 with the upper jig frame 21 and the lower jig frame 22 through bolts; the H-shaped steel cushion blocks 8 between the four sides of the upper jig frame 21 and the lower jig frame 22 are uniformly distributed on the two sides of the jack 3; thus, the stability of the whole supporting jig frame is better.
7) Slowly driving the bearing support 1 to move into the venue through a power traction system until the pipe truss roof truss 7 is conveyed to an installation position; among them, the power traction system is a mature prior art, such as a reduction motor is adopted to match with a traction rope and a diverting pulley, and the details are not described here. And after the positions of the X-axis and the Y-axis installed by the roller and the steel rail 6 positioning pipe truss are rechecked to be qualified, the H-shaped steel cushion block 8 is removed, and the height of the pipe truss installed in the Z-axis direction is adjusted by the jack 3 until the pipe truss roof truss 7 is located at the installation position on the concrete column 5.
8) After the installation position is rechecked to be qualified, an operator installs the secondary truss in a certain range on the two main truss supports through the operation platform to form a stable space structure system, and slowly unloads the jack 3 after the installation is finished to install the next pipe truss.
9) And repeating the steps until all the pipe trusses are installed.
In the construction process, the pipe truss roof truss 7 is installed in a sliding mode, large-scale equipment is not needed, the construction is more convenient, the cost in the whole construction process can be greatly reduced, the construction period is shortened, and the construction efficiency is greatly improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (3)
1. A high-altitude sliding installation method for a large-span pipe truss roof truss is characterized by comprising the following steps: the method comprises the following steps:
1) carrying out stress checking calculation according to the weight of the pipe truss roof truss to be installed, and selecting an adaptive power traction system;
2) designing and manufacturing a sliding installation support, wherein the sliding installation support comprises a bearing support, an operation platform, a supporting jig frame and a jack, the bearing support is of a truss structure with a rectangular section, and two groups of rollers with locking structures are arranged at the lower end of the bearing support; the operating platform is positioned at the upper end of the bearing support and is welded with the bearing support; the bearing support is constructed by steel pipes, angle steel and H-shaped steel, and one side of the bearing support is provided with a ladder; the lower end of the ladder stand is close to the lower end of the bearing support, and the upper end of the ladder stand extends to the operating platform; the supporting jig frame is positioned in the middle of the operation platform and comprises an upper jig frame and a lower jig frame, the upper jig frame and the lower jig frame are both in a shape like a Chinese character 'tian', the lower jig frame is welded with the operation platform, four jacks are arranged between the upper jig frame and the lower jig frame, and the four jacks are respectively positioned between four sides of the upper jig frame and the lower jig frame; a plurality of pipe truss support steel pipes are vertically arranged above the upper jig frame; the pipe truss supports six steel pipes and is distributed on two sides of the upper jig frame corresponding to two sides of the pipe truss roof truss; wherein, the inner diameter of the pipe truss support steel pipe is larger than the diameter of the pipe truss connecting ball; the front side and the rear side of the bearing support along the moving direction of the steel rail are respectively provided with a supporting leg, the supporting legs are of truss structures, the upper ends of the supporting legs are fixedly connected with the bearing support, the lower ends of the supporting legs are inclined in the direction away from the bearing support, and the lower ends of the bearing support are also provided with rollers with locking structures; the lower end of the supporting leg is connected with the bearing support through H-shaped steel; the middle part of the operating platform is provided with a support frame, and the lower jig frame is welded with the support frame;
3) two groups of steel rail groups are arranged between two concrete columns of a pipe truss roof truss to be installed in a venue, one end of each steel rail group is positioned outside the venue, and the other end of each steel rail group extends into the venue; wherein, the two groups of steel rails comprise two parallel steel rails and are horizontally laid on the ground; a sliding mounting bracket is respectively arranged on the two groups of steel rails, wherein the roller of the sliding mounting bracket is in sliding fit with the steel rails;
4) assembling the pipe truss roof truss from the middle to the two ends in the assembling process until the assembling of the pipe truss roof truss is finished;
5) hoisting the pipe truss roof truss outside the venue to the support bed-jig of the two sliding installation supports, and placing the connecting ball of the pipe truss on the pipe truss support steel pipe of the support bed-jig of the two sliding installation supports, wherein the pipe truss support steel pipe supports two sides of the pipe truss roof truss;
6) the elevation of the lowest point of the two ends of the pipe truss roof truss is higher than the elevation of the concrete column by adjusting the jack; then arranging an H-shaped steel cushion block between the upper jig frame and the lower jig frame, and connecting the H-shaped steel cushion block with the upper jig frame and the lower jig frame through bolts;
7) slowly driving the bearing support to move into the venue through a power traction system until the pipe truss roof truss is conveyed to an installation position; after the positions of the X-axis and the Y-axis installed by the roller and the steel rail positioning pipe truss are rechecked to be qualified, the H-shaped steel cushion block is removed, the height of the pipe truss in the Z-axis direction is adjusted by the jack until the pipe truss roof truss is located at the installation position of the concrete column;
8) after the installation position is rechecked to be qualified, an operator installs the secondary truss in a certain range on the two main truss supports through the operation platform to form a stable space structure system, and slowly unloads the jack after the installation is finished to install the next pipe truss;
9) and repeating the steps until all the pipe trusses are installed.
2. The high-altitude sliding installation method of the large-span pipe truss roof truss according to the claim 1, characterized in that: h-shaped steel cushion blocks between four sides of the upper jig frame and the lower jig frame are distributed on two sides of the jack.
3. The high-altitude sliding installation method of the large-span pipe truss roof truss according to the claim 1, characterized in that: guard rails are arranged around the operating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013450.9A CN109057365B (en) | 2018-08-31 | 2018-08-31 | High-altitude sliding installation method for large-span pipe truss roof truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013450.9A CN109057365B (en) | 2018-08-31 | 2018-08-31 | High-altitude sliding installation method for large-span pipe truss roof truss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057365A CN109057365A (en) | 2018-12-21 |
| CN109057365B true CN109057365B (en) | 2021-05-04 |
Family
ID=64759142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013450.9A Active CN109057365B (en) | 2018-08-31 | 2018-08-31 | High-altitude sliding installation method for large-span pipe truss roof truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057365B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284598A (en) * | 2019-05-30 | 2019-09-27 | 中国华冶科工集团有限公司 | The installation method and device of spherical net brace roof structure |
| CN110080540B (en) * | 2019-06-03 | 2024-05-14 | 天元建设集团有限公司 | Large-span steel structure sliding device and construction method thereof |
| CN110259145A (en) * | 2019-06-28 | 2019-09-20 | 中冶建工集团有限公司 | A kind of arch tubular truss rapid constructing method |
| CN112144891A (en) * | 2019-06-28 | 2020-12-29 | 无锡市第五建筑工程有限公司 | Floor slippage construction system and implementation method |
| CN110439292A (en) * | 2019-08-21 | 2019-11-12 | 攀枝花攀钢集团设计研究院有限公司 | Fabrication and installation system and construction technology for large-scale closed type industrial stockyard roof truss |
| CN114604566A (en) * | 2020-12-08 | 2022-06-10 | 泰富重工制造有限公司 | Method for penetrating long-distance adhesive tape by utilizing various process platform type trusses |
| CN113700306A (en) * | 2021-08-27 | 2021-11-26 | 北京天邦巨成科技有限公司 | Hydraulic lifting method for steel structure building |
| CN114645620A (en) * | 2022-03-10 | 2022-06-21 | 杭州广亦建设工程有限公司 | Large-span factory building roof modular installation device and construction method |
| CN115405115A (en) * | 2022-09-30 | 2022-11-29 | 中建八局第二建设有限公司 | Slidable assembled jig frame and application method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451383A (en) * | 2008-12-25 | 2009-06-10 | 中国建筑第八工程局有限公司 | Sliding construction method of large span steel structure roof |
| CN101725255A (en) * | 2009-11-13 | 2010-06-09 | 高申甫 | Segmental slipping and assembling process of overhead large-span steel structure |
| CN203430059U (en) * | 2013-08-22 | 2014-02-12 | 中国十七冶集团有限公司 | Temporary fixing device used for installing large-span steel structure roof primary truss |
| CN103938880A (en) * | 2014-03-31 | 2014-07-23 | 中冶天工上海十三冶建设有限公司 | Overall sliding construction method for large-span special-shaped space grid pipe truss |
| CN104060835B (en) * | 2014-04-30 | 2017-02-15 | 浙江东南网架股份有限公司 | Lifting-sliding construction method for single plane truss |
| CN105544984A (en) * | 2015-12-15 | 2016-05-04 | 安徽伟宏钢结构集团股份有限公司 | Large-span steel structure jig frame integrity slip construction process |
| CN106545172A (en) * | 2016-11-10 | 2017-03-29 | 中冶建工集团有限公司 | A kind of installation method of high-altitude long-span steel truss |
| CN106760561B (en) * | 2016-12-07 | 2020-04-10 | 中铁三局集团建筑安装工程有限公司 | Assembling method of sectional sliding roof steel truss |
| CN107190993A (en) * | 2017-05-31 | 2017-09-22 | 中国二十冶集团有限公司 | The preassembling moulding bed and its assembling method of large span inverted trapezoidal truss |
| CN107762159A (en) * | 2017-09-07 | 2018-03-06 | 湖南金海集团有限公司 | Large-span steel truss high-altitude sliding in place method |
-
2018
- 2018-08-31 CN CN201811013450.9A patent/CN109057365B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109057365A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109057365B (en) | High-altitude sliding installation method for large-span pipe truss roof truss | |
| CN208430687U (en) | Self-anchored type suspended-cable structure support construction and system | |
| CN113235948B (en) | Spatial vertical rotation construction method for steel structure roof of large-scale venue | |
| CN113235947B (en) | Construction method of ultrahigh large-span huge ribbed space folded plate-shaped grid structure steel shed | |
| CN111424822A (en) | Support-free construction method for annular large cantilever cable bearing grid structure | |
| CN114525877B (en) | Stadium combined roof based on large cantilever inclined triangular truss and construction method | |
| CN212642174U (en) | Jig frame is assembled to triangle-shaped pipe truss block | |
| CN208702174U (en) | A kind of Node In Large-span Pipe Truss roof truss air translation mounting bracket system | |
| CN110748156B (en) | Sliding positioning top supporting structure of large silo and construction method thereof | |
| CN105019657A (en) | Building construction system | |
| CN204850469U (en) | Commercial mansion system that builds | |
| CN112227694B (en) | Integrated climbing frame system and assembling method thereof | |
| CN110847616B (en) | Method for mounting large-volume steel frame flue | |
| CN113309256A (en) | Construction device and construction method for prefabricated shear wall with post-pouring section | |
| CN105003074A (en) | Commercial building construction system and construction method thereof | |
| CN204876576U (en) | Building construction system | |
| CN105178602A (en) | Building construction system | |
| CN221093498U (en) | Tower crane construction intelligent building platform is exempted from in assembled house engineering | |
| CN112744664B (en) | Self-lifting hoisting equipment, construction method and sliding locking assembly | |
| CN111255238B (en) | Construction method for supporting steel box girder of super-large-span escalator | |
| CN219431305U (en) | Construction frame | |
| CN220100799U (en) | Support frame uninstallation device of large-span steel construction vestibule | |
| CN210858094U (en) | Lifting steel bracket for jacking and storey-adding | |
| CN221219850U (en) | Temporary steel stair for construction erected in stairwell | |
| CN215592414U (en) | Movable type quick-dismantling hoisting steel truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |