CN112431139A - Construction device and method for positioning, matching and folding large-span basket-type steel arch rib - Google Patents
Construction device and method for positioning, matching and folding large-span basket-type steel arch rib Download PDFInfo
- Publication number
- CN112431139A CN112431139A CN202011349400.5A CN202011349400A CN112431139A CN 112431139 A CN112431139 A CN 112431139A CN 202011349400 A CN202011349400 A CN 202011349400A CN 112431139 A CN112431139 A CN 112431139A
- Authority
- CN
- China
- Prior art keywords
- arch rib
- transverse
- steel arch
- jack
- distribution beam
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention relates to a construction device and a method for positioning, matching and folding a large-span basket-lifting type steel arch rib, wherein a transverse distribution beam of the device is fixedly connected to a built underwater temporary support, a transverse saddle and a vertical jack are installed on the transverse distribution beam, a lateral limiting bent frame is fixedly connected to a built transverse steel pipe truss, a hoisting system hoists the steel arch rib to the transverse saddle of the transverse distribution beam, a transverse adjusting jack is laterally arranged on the transverse distribution beam, the transverse adjusting jack pushes the transverse saddle to adjust the transverse deviation of the steel arch rib, the vertical elevation of the steel arch rib is adjusted through the vertical jack, a fine adjusting jack is installed at the upper end of the lateral limiting bent frame, the arch rib corner of the steel arch rib is adjusted through the fine adjusting jack, and the accurate positioning of the steel arch rib is ensured. The invention is suitable for the installation of the inner inclined basket type steel arch rib and is suitable for the construction working condition that the steel arch rib cannot be directly and accurately hoisted in place by using a crane.
Description
Technical Field
The invention relates to a large-span basket type inclined hoisting device for steel arch ribs and a construction method, in particular to a construction device and a construction method for positioning, matching and folding the large-span basket type steel arch ribs.
Background
For the inclined hoisting of the large-span basket type steel arch rib, a hoisting system is generally adjusted to complete hoisting in place, so that a large deviation of the load of the end opening of the closure section of the arch rib is found out, and the closure opening is inconsistent in elevation. The method has low construction efficiency, cannot ensure the elevation precision of the closure opening, causes the integral linear deviation of the arch rib and has great influence on the adjustment of the horizontal cable force of the whole bridge in future.
Disclosure of Invention
The invention provides a construction device and a construction method for positioning, matching and folding a large-span basket-type steel arch rib.
In order to achieve the purpose, the technical scheme of the invention is as follows: a construction device for positioning, matching and folding a large-span basket-type steel arch rib comprises a transverse distribution beam, a saddle capable of transversely moving, a lateral limiting bent frame and a hoisting system, the transverse distribution beam is fixedly connected to the temporary support in water after being erected, a saddle capable of transversely moving and a vertical jack are installed on the transverse distribution beam, the lateral limiting bent frames are fixedly connected to the erected transverse steel pipe truss, the hoisting system hoists steel arch ribs to the transverse saddle of the transverse distribution beam, a transverse adjusting jack is laterally arranged on the transverse distribution beam, the transverse deviation of the steel arch rib is adjusted by pushing the saddle which can be transversely moved by a transverse adjusting jack, the vertical elevation of the steel arch rib is adjusted by a vertical jack, the upper end of the lateral limiting bent frame is provided with a fine adjustment jack, and the arch rib corner of the steel arch rib is adjusted through the fine adjustment jack, so that the steel arch rib is ensured to be accurately positioned.
Furthermore, a stainless steel base plate is arranged between the transverse-moving saddle and the transverse distribution beam, and is connected by long round hole bolts to reduce the friction force of transverse movement of the transverse-moving saddle.
Furthermore, 4 vertical jacks of 50 tons are arranged on the transverse distribution beam and used for adjusting the vertical elevation of the steel arch rib.
A construction method adopting a construction device for positioning, matching and folding a large-span basket-type steel arch rib comprises the following steps:
1) hoisting the steel arch rib in place by using a hoisting system;
2) adjusting a vertical jack to control the vertical elevation of the steel arch rib to meet the design requirement;
3) adjusting the transverse deviation of the steel arch rib by adjusting a fine adjustment jack to push a saddle, and adjusting a fine adjustment jack at the top of the lateral limiting bent frame to control the corner of the steel arch rib;
4) after the position of the steel arch rib is accurately adjusted, hoisting is completed in place after the on-site temperature, the structural spacing and the like have closure conditions.
The invention has the beneficial effects that:
the invention solves the construction problem that the lifting basket type steel arch rib can not be directly lifted in place by directly adjusting a lifting system in the inclined type lifting. The device and the method have the advantages of safe structure, convenient assembly and disassembly and simple construction, ensure the linear precision of the full-bridge arch rib in the construction process and ensure the accurate hoisting and positioning of the steel arch rib.
Drawings
FIG. 1 is a front view of the construction apparatus for positioning, matching and closing a large-span basket-type steel arch rib of the present invention;
fig. 2 is a side view of the construction device for positioning, matching and closing the large-span basket-type steel arch rib.
Detailed Description
Embodiments of the present invention are further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in figures 1 and 2, the construction device for positioning, matching and folding the large-span basket-type steel arch rib comprises a transverse distribution beam 1, a saddle 2 capable of transversely moving and a lateral limiting bent frame 3.
The transverse distribution beam 1 is fixed on a built underwater temporary support 4, the transverse saddle 2 is arranged on the transverse distribution beam 1, and the lateral limiting bent frame 3 is fixed on a built transverse steel pipe truss 5. A stainless steel base plate is arranged between the transverse saddle 2 and the transverse distribution beam 1, and is connected by long round hole bolts to reduce the friction force of the transverse movement of the transverse saddle 2. 4 vertical jacks of 50 tons are arranged on the transverse distribution beam 1 and used for adjusting the vertical elevation of the steel arch rib 6.
The load of hoisting the steel arch rib 6 on the transverse distribution beam 1 by using the hoisting system is borne by the underwater temporary support 4, the vertical elevation is adjusted by the vertical jack 7, the transverse adjusting jack 8 is laterally arranged to adjust the transverse deviation of the steel arch rib 6 through the pushing saddle 2, and the corner of the steel arch rib is adjusted by the fine adjusting jack 9 arranged at the top of the lateral limiting bent frame 3, so that the steel arch rib is accurately positioned.
The specific operation method comprises the following steps:
1) fixing the transverse distribution beam 1 on a built underwater temporary support 4, installing a traversing saddle 2 on the transverse distribution beam 1, and fixing a lateral limiting bent frame 3 on a built transverse steel pipe truss 5.
2) The steel arch rib 6 is hoisted into place by a hoisting system.
3) And adjusting a vertical jack 7 to control the vertical elevation of the steel arch rib 6 to meet the design requirement.
4) The transverse deviation of the steel arch rib 6 is adjusted by pushing a saddle through adjusting a fine adjustment jack 8, and the top fine adjustment jack 9 of the lateral limiting bent frame 3 is adjusted to control the corner of the arch rib.
5) And after the positions of the steel arch ribs are accurately adjusted, hoisting is finished after the on-site temperature, the structural spacing and the like have closure conditions.
Claims (4)
1. The utility model provides a construction equipment that is used for striding basket formula steel arch rib location to match and folds, includes horizontal distribution beam (1), can sideslip saddle (2), spacing framed bent of side direction (3), hoist and mount system, its characterized in that: the transverse distribution beam (1) is fixedly connected to an underwater temporary support (4) which is already built, a transverse saddle (2) and a vertical jack (7) are installed on the transverse distribution beam (1), a lateral limiting bent frame (3) is fixedly connected to a transverse steel pipe truss (5) which is already built, a hoisting system hoists a steel arch rib (6) to the transverse saddle (2) of the transverse distribution beam (1), a lateral adjusting jack (8) is laterally arranged on the transverse distribution beam (1), the transverse shifting saddle (2) is pushed by the lateral adjusting jack (8) to adjust the transverse deviation of the steel arch rib (6), the vertical elevation of the steel arch rib (6) is adjusted by the vertical jack (7), a fine adjusting jack (9) is installed at the upper end of the lateral limiting bent frame (3), and the arch rib corner of the steel arch rib (6) is adjusted by the fine adjusting jack (9), ensuring that the steel ribs are accurately positioned.
2. The construction device for the positioning, matching and folding of the large-span basket-type steel arch ribs according to claim 1 is characterized in that a stainless steel base plate is arranged between the transverse-moving saddle (2) and the transverse distribution beam (1) and is connected by long round hole bolts to reduce the sliding friction force of the transverse-moving saddle (2).
3. The construction device for the long-span basket type steel arch rib positioning and matching closure is characterized in that 4 vertical jacks of 50 tons are arranged on the transverse distribution beam (1) and used for adjusting the vertical elevation of the steel arch rib (6).
4. A construction method for positioning, matching and folding a large-span basket-type steel arch rib by adopting the construction device for positioning, matching and folding the large-span basket-type steel arch rib as claimed in any one of claims 1 to 3, which is characterized by comprising the following steps:
1) hoisting the steel arch rib (6) in place by using a hoisting system;
2) adjusting a vertical jack (7) to control the vertical elevation of the steel arch rib (6) to meet the design requirement;
3) the transverse deviation of the steel arch rib (6) is adjusted by pushing a saddle through adjusting a fine adjustment jack (8), and the top fine adjustment jack (9) of the lateral limiting bent frame (3) is adjusted to control the corner of the arch rib;
4) after the position of the steel arch rib is accurately adjusted, hoisting is completed in place after the on-site temperature, the structural spacing and the like have closure conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349400.5A CN112431139A (en) | 2020-11-26 | 2020-11-26 | Construction device and method for positioning, matching and folding large-span basket-type steel arch rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349400.5A CN112431139A (en) | 2020-11-26 | 2020-11-26 | Construction device and method for positioning, matching and folding large-span basket-type steel arch rib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112431139A true CN112431139A (en) | 2021-03-02 |
Family
ID=74698583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011349400.5A Pending CN112431139A (en) | 2020-11-26 | 2020-11-26 | Construction device and method for positioning, matching and folding large-span basket-type steel arch rib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112431139A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112779867A (en) * | 2021-03-22 | 2021-05-11 | 广西路桥工程集团有限公司 | Construction method for forward hanging of arch rib segments of steel pipe basket arch bridge |
| CN113699887A (en) * | 2021-08-19 | 2021-11-26 | 中交二公局第三工程有限公司 | Polygonal steel arch rib assembling and positioning device and using method thereof |
| CN114575253A (en) * | 2021-12-31 | 2022-06-03 | 中交路桥建设有限公司 | Arch rib mounting system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0258603A (en) * | 1988-08-23 | 1990-02-27 | Okabe Co Ltd | Bracket attachment device |
| CN201746778U (en) * | 2010-07-27 | 2011-02-16 | 中铁大桥局集团第三工程有限公司 | Installation regulating device for camber-type steel pipe arch bridge arch rib erection |
| CN111519547A (en) * | 2020-05-29 | 2020-08-11 | 中铁大桥局第七工程有限公司 | Installation positioning device for camber steel arch segment and using method thereof |
| CN111778869A (en) * | 2020-07-27 | 2020-10-16 | 中交路桥建设有限公司 | Camber space arch rib adjusting device of half-through steel structure arch bridge |
| CN111827118A (en) * | 2020-07-12 | 2020-10-27 | 中交路桥建设有限公司 | Adjusting and positioning device for installing steel pipe arch rib |
-
2020
- 2020-11-26 CN CN202011349400.5A patent/CN112431139A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0258603A (en) * | 1988-08-23 | 1990-02-27 | Okabe Co Ltd | Bracket attachment device |
| CN201746778U (en) * | 2010-07-27 | 2011-02-16 | 中铁大桥局集团第三工程有限公司 | Installation regulating device for camber-type steel pipe arch bridge arch rib erection |
| CN111519547A (en) * | 2020-05-29 | 2020-08-11 | 中铁大桥局第七工程有限公司 | Installation positioning device for camber steel arch segment and using method thereof |
| CN111827118A (en) * | 2020-07-12 | 2020-10-27 | 中交路桥建设有限公司 | Adjusting and positioning device for installing steel pipe arch rib |
| CN111778869A (en) * | 2020-07-27 | 2020-10-16 | 中交路桥建设有限公司 | Camber space arch rib adjusting device of half-through steel structure arch bridge |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112779867A (en) * | 2021-03-22 | 2021-05-11 | 广西路桥工程集团有限公司 | Construction method for forward hanging of arch rib segments of steel pipe basket arch bridge |
| CN113699887A (en) * | 2021-08-19 | 2021-11-26 | 中交二公局第三工程有限公司 | Polygonal steel arch rib assembling and positioning device and using method thereof |
| CN114575253A (en) * | 2021-12-31 | 2022-06-03 | 中交路桥建设有限公司 | Arch rib mounting system |
| CN114575253B (en) * | 2021-12-31 | 2024-01-26 | 中交路桥建设有限公司 | Arch rib mounting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112431139A (en) | Construction device and method for positioning, matching and folding large-span basket-type steel arch rib | |
| CN201417657Y (en) | Installation device of indoor transformer | |
| CN109081247A (en) | A kind of hanging method of vestibule large-span steel girder | |
| CN101177933B (en) | Bridge rib hoisting and supporting rack integral construction method and device | |
| CN109797964A (en) | A kind of lifting platform system of integrated tower crane | |
| CN117306732A (en) | Method for installing embedded prefabricated external wall panel component | |
| CN213389757U (en) | Lateral sliding installation system for steel box girder | |
| CN114412166A (en) | Integrally-moving type cast-in-place concrete roof formwork support and using method thereof | |
| CN209323381U (en) | A kind of high-speed railway assembled segment pier shaft hoisting bracket | |
| CN209603180U (en) | A kind of flexible internal model with connect frame carriage | |
| CN107700854B (en) | Steel plate wall sliding installation device and installation method for super high-rise core tube | |
| CN112027926A (en) | Construction method of automatic hoisting tool system for mobile portable assembly type steel structure | |
| CN220412645U (en) | Self-made gantry lifting frame | |
| CN214615508U (en) | Steel construction roof is assembled installation device that slides in advance | |
| CN219826199U (en) | Clamping and translational adjusting device at top of jig frame for hoisting truss | |
| CN218757009U (en) | Low-clearance steel support replacing structure below trestle bridge | |
| CN220394297U (en) | Traction deviation correcting mechanism for steel box girder splicing | |
| CN216863431U (en) | Guide device for hoisting dome of nuclear power station | |
| CN210597311U (en) | Pile pipe positioner of pile driver | |
| CN219772736U (en) | Steel box girder assembling and positioning structure | |
| CN218522169U (en) | Movable assembly type steel structure mounting and supporting platform | |
| CN220059032U (en) | Truss installation supporting device for dry coal shed | |
| CN111877761B (en) | Assembly type automatic mounting tool system and method for precast concrete column | |
| CN212893569U (en) | Automatic hoisting tool system for movable portable assembly type steel structure | |
| CN211490419U (en) | Assembling device for bailey pieces |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210302 |
|
| RJ01 | Rejection of invention patent application after publication |