CN209686257U - High steel arch bridge turning construction equipment in one kind - Google Patents
High steel arch bridge turning construction equipment in one kind Download PDFInfo
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- CN209686257U CN209686257U CN201822245630.1U CN201822245630U CN209686257U CN 209686257 U CN209686257 U CN 209686257U CN 201822245630 U CN201822245630 U CN 201822245630U CN 209686257 U CN209686257 U CN 209686257U
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Abstract
The utility model relates to steel arch bridge turning construction equipments high in one kind, for realizing the segmented rotator construction of steel arch bridge, the steel arch bridge includes arch springing and semiarch section, the arch springing is fixed on bridge floor beam, have and the matched divisional plane of semiarch section on arch springing, the constructing device includes hinged-support, drawing mechanism afterwards, hoisting mechanism and supporting mechanism, the hinged-support is fixed on arch springing, and below the divisional plane, semiarch section can be rotated around the hinged-support, the supporting mechanism is installed in semiarch section, one end of drawing mechanism and hoisting mechanism is connect with supporting mechanism far from one end of the semiarch section after described, the other end of drawing mechanism is fixed on bridge floor beam after described, the other end of the hoisting mechanism is connect with semiarch section far from one end of arch springing.Compared with prior art, the utility model has many advantages, such as to guarantee welding quality, stability, substantially reduces the Arch Bridge Construction duration.
Description
Technical field
The utility model relates to technical field of bridge construction, more particularly, to steel arch bridge turning construction equipment high in one kind.
Background technique
In recent years, with social progress, expanding economy, aesthetic raising, more and more Bridge Designs are not only
It is confined to the realization using function, the novelty, uniqueness and urban landscape for more focusing on its moulding organically combine property etc..
The different steel arch bridge of form continues to bring out, and superelevation, overweight, super large steel arch section bring huge challenge to bridge construction.And it passes
The steel arch bridge construction method of system such as suspends assembled method, spread out frame semi-girder method, built method in midair, is self-possessed when across footpath is larger larger, builds
Height is higher, generally has stent Methods working procedure more, arch rib connector is more.Therefore there are the period is long, overhead welding amount is big, weldering
Connect that quality is difficult to guarantee, operator is there are security risk, big, working measure takes the disadvantages of high using crane tonnage.Therefore this
The traditional extensive style of kind, the lower construction method of benefit have nowadays no longer been suitable for.Therefore bridge construction need to adopt new technology with
Make up the deficiency of conventional construction method.
Utility model content
The purpose of this utility model is exactly to provide a kind of high steel arch bridge to overcome the problems of the above-mentioned prior art
Turning construction equipment and construction method.
The purpose of this utility model can be achieved through the following technical solutions:
High steel arch bridge turning construction equipment in one kind, for realizing the segmented rotator construction of steel arch bridge, the steel arch bridge
Including arch springing and semiarch section, the arch springing is fixed on bridge floor beam, on arch springing have with the matched divisional plane of semiarch section, it is described to apply
Tooling is set including hinged-support, rear drawing mechanism, hoisting mechanism and supporting mechanism, and the hinged-support is fixed on arch springing, and described
Hereinafter, semiarch section can be rotated around the hinged-support, the supporting mechanism is installed in semiarch section divisional plane, the rear drawing mechanism
It is connect with supporting mechanism far from one end of the semiarch section with one end of hoisting mechanism, the other end of the rear drawing mechanism is fixed
In on bridge floor beam, the other end of the hoisting mechanism is connect with semiarch section far from one end of arch springing.
Further, the rear drawing mechanism and hoisting mechanism are at an angle of and are set to supporting mechanism two sides.
Further, the punching oil cylinder one that the rear drawing mechanism includes backstay and is set on backstay, the post-tensioning
One end of rope is connect with supporting mechanism, and the other end is fixed on bridge floor beam.
Further, the hoisting mechanism includes raising cord one, raising cord two, punching oil cylinder two and punching oil cylinder three, institute
Raising cord one and the angled setting of raising cord two are stated, the raising cord one and two one end of raising cord are connect with supporting mechanism, separately
One end is connect with semiarch section, and the punching oil cylinder two is installed on raising cord one, and the punching oil cylinder three is installed on raising cord two
On.
Further, the supporting mechanism includes the steel pipe truss being connected and truss support, the steel pipe truss and purlin
Frame support is angled to be fixed in semiarch section.
Further, which further includes the moulding bed for being used to support semiarch section.
Further, two sets of constructing devices are symmetrical arranged.
Compared with prior art, the utility model have with following the utility model has the advantages that
1) the arch assembly of the utility model is using sleeping spelling, crouches when spelling, assembling support height substantially reduces, and not only reduces branch
Frame quantity, while welding quality can guarantee；
2) supporting mechanism uses steel pipe truss, improves supplementary structure rigidity, increases overall stability；
3) drawing mechanism and hoisting mechanism are combined using hard and soft component afterwards, reasonable stress, and can adjust arch rib line style；
4) hoisting process is low to working space and bridge floor intensity requirement using the auxiliary lifting of small tonnage loop wheel machine
5) the utility model can be such that the Arch Bridge Construction duration substantially reduces, final to save engineering construction cost.
Detailed description of the invention
Fig. 1 is high steel arch bridge bridge completion state elevation in a typical case involved by the utility model；
Fig. 2 is the utility model steel arch bridge stepwise schematic views；
Fig. 3 is the utility model steel arch bridge rotator construction original state；
Fig. 4 is the utility model steel arch bridge rotator construction state in place；
In figure, 1, main steel arch, 2, cable, 3, bridge floor beam, 4, bridge pier, 5, divisional plane, 6, arch springing, 7, hinged-support, 8, semiarch
One, 9, semiarch two, 10, closure segment, 11, moulding bed, 12, backstay, 13, raising cord one, 14, raising cord two, 15, steel pipe truss,
16, truss support, 17, punching oil cylinder one, 18, punching oil cylinder two, 19 punching oil cylinders three.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
The present embodiment provides steel arch bridge turning construction equipments high in one kind, apply for realizing the segmented swivel of steel arch bridge
Work encircles assembly using sleeping spelling, and piecewise makes arch bridge realize swivel, and then completion is assembled, the arch bridge for completion of constructing such as Fig. 1 institute
Show.
As shown in Fig. 2, steel arch bridge is truncated at arch springing in the present embodiment, divisional plane 5 is formed, main arch section 1 is specifically divided into
Two arch springings, 6, two semiarch sections and closure segment 10, semiarch section are semiarch 1 and semiarch 29.
As shown in Figure 3 and Figure 4, constructing device includes hinged-support 7, rear drawing mechanism, hoisting mechanism and supporting mechanism, hinged-support
7 are fixed on arch springing 6, and in divisional plane 5 hereinafter, semiarch section can be rotated around hinged-support 7, supporting mechanism is installed on semiarch section
On, one end of rear drawing mechanism and hoisting mechanism is connect with supporting mechanism far from one end of semiarch section, the other end of rear drawing mechanism
It is fixed on bridge floor beam 3, the other end of hoisting mechanism is connect with semiarch section far from one end of arch springing 6.Drawing mechanism and elevator afterwards
It constitutes angle and is set to supporting mechanism two sides.
Drawing mechanism includes backstay 12 and the punching oil cylinder 1 that is set on backstay 12 afterwards, one end of backstay 12 with
Supporting mechanism connection, the other end are fixed on bridge floor beam 3.Hoisting mechanism includes raising cord 1, raising cord 2 14, punching oil cylinder
2 18 and punching oil cylinder 3 19, raising cord 1 and the angled setting of raising cord 2 14, raising cord 1 and raising cord 2 14 1
End is connect with supporting mechanism, and the other end is connect with semiarch section, and punching oil cylinder 2 18 is installed on raising cord 1, punching oil cylinder
3 19 are installed on raising cord 2 14.Supporting mechanism includes the steel pipe truss 15 being connected and truss support 16, steel pipe truss 15
It is at an angle of and is fixed in semiarch section with truss support 16.
The constructing device further includes the moulding bed 11 for being used to support semiarch section.
When construction, it is symmetrical arranged two sets of constructing devices.
Utilize the construction method that high steel arch bridge turning construction equipment is realized among the above, comprising the following steps:
1) main steel arch is segmented, is divided into two arch springings 6, semiarch 1, semiarch 29 and closure segment 10, by setting position
It sets and two arch springings 6 is installed on bridge floor beam 3, form divisional plane 5 at arch springing 6, semiarch 1 and semiarch 29 utilize moulding bed 11
Support.
2) turning construction equipment is symmetrical arranged two sets, is respectively acting on semiarch 1 and semiarch 29.With the construction of semiarch 1
For process, hinged-support 7 is welded in the lower section of divisional plane 5 and arch springing 6, as the support of swivel process, is welded on semiarch 1
Steel pipe truss, truss support.
Based on mounted turning construction equipment, tensioning punching oil cylinder 1 rotates semiarch 1 around hinged-support 7, until
Semiarch 1 is rotated to be overlapped at divisional plane 5 with arch springing 6；For semiarch 1 with arch springing 6 after divisional plane 5 is overlapped, adjustment punching is oily
Cylinder 2 18 and punching oil cylinder 3 19, until line of apsides type meets design requirement.
Above-mentioned same procedure is used to semiarch 29.
3) closure segment 10 is installed, moulding bed 11 is removed, cable 2 is finally installed, completes steel arch bridge construction overall process.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (7)
1. high steel arch bridge turning construction equipment in one kind, which is characterized in that for realizing the segmented rotator construction of steel arch bridge, institute
Stating steel arch bridge includes arch springing (6) and semiarch section, and the arch springing (6) is fixed on bridge floor beam (3), is had on arch springing (6) and semiarch
The matched divisional plane (5) of section, the constructing device include hinged-support (7), rear drawing mechanism, hoisting mechanism and supporting mechanism, described
Hinged-support (7) is fixed on arch springing (6), and in the divisional plane (5) hereinafter, semiarch section can be rotated around the hinged-support (7),
The supporting mechanism is installed in semiarch section, and one end of the rear drawing mechanism and hoisting mechanism is with supporting mechanism far from described half
Encircle one end connection of section, the other end of the rear drawing mechanism is fixed on bridge floor beam (3), the other end of the hoisting mechanism and half
Encircle section to connect far from one end of arch springing (6).
2. middle high steel arch bridge turning construction equipment according to claim 1, which is characterized in that drawing mechanism and promotion after described
Mechanism is angled to be set to supporting mechanism two sides.
3. middle high steel arch bridge turning construction equipment according to claim 1, which is characterized in that after drawing mechanism includes after described
Drag-line (12) and the punching oil cylinder one (17) being set on backstay (12), one end of the backstay (12) and supporting mechanism connect
It connects, the other end is fixed on bridge floor beam (3).
4. middle high steel arch bridge turning construction equipment according to claim 1, which is characterized in that the hoisting mechanism includes mentioning
Rise rope one (13), raising cord two (14), punching oil cylinder two (18) and punching oil cylinder three (19), the raising cord one (13) and promotion
The angled setting of rope two (14), the raising cord one (13) and raising cord two (14) one end are connect with supporting mechanism, the other end
It is connect with semiarch section, the punching oil cylinder two (18) is installed on raising cord one (13), and the punching oil cylinder three (19) is installed on
On raising cord two (14).
5. middle high steel arch bridge turning construction equipment according to claim 1, which is characterized in that the supporting mechanism includes phase
The steel pipe truss (15) and truss support (16) of connection, the steel pipe truss (15) and truss support (16) are angled to be fixed on half
Encircle in section.
6. middle high steel arch bridge turning construction equipment according to claim 1, which is characterized in that the constructing device further includes using
In the moulding bed (11) of support semiarch section.
7. middle high steel arch bridge turning construction equipment according to claim 1, which is characterized in that applied described in being symmetrical arranged two sets
Tooling is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245630.1U CN209686257U (en) | 2018-12-26 | 2018-12-26 | High steel arch bridge turning construction equipment in one kind |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245630.1U CN209686257U (en) | 2018-12-26 | 2018-12-26 | High steel arch bridge turning construction equipment in one kind |
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| CN209686257U true CN209686257U (en) | 2019-11-26 |
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| CN201822245630.1U Active CN209686257U (en) | 2018-12-26 | 2018-12-26 | High steel arch bridge turning construction equipment in one kind |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653102A (en) * | 2018-12-26 | 2019-04-19 | 同济大学建筑设计研究院(集团)有限公司 | High steel arch bridge turning construction equipment and construction method in one kind |
| CN111676828A (en) * | 2020-06-28 | 2020-09-18 | 同济大学建筑设计研究院(集团)有限公司 | Counter-rotating construction device and counter-rotating construction method for vertical steel arch cable-stayed bridge |
| CN114439249A (en) * | 2022-04-07 | 2022-05-06 | 中铁建工集团有限公司 | Construction method for lifting large-span triangular truss through air swivel |
-
2018
- 2018-12-26 CN CN201822245630.1U patent/CN209686257U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653102A (en) * | 2018-12-26 | 2019-04-19 | 同济大学建筑设计研究院(集团)有限公司 | High steel arch bridge turning construction equipment and construction method in one kind |
| CN109653102B (en) * | 2018-12-26 | 2023-10-13 | 同济大学建筑设计研究院(集团)有限公司 | Swivel construction device and construction method for middle-high steel arch bridge |
| CN111676828A (en) * | 2020-06-28 | 2020-09-18 | 同济大学建筑设计研究院(集团)有限公司 | Counter-rotating construction device and counter-rotating construction method for vertical steel arch cable-stayed bridge |
| CN111676828B (en) * | 2020-06-28 | 2024-06-04 | 同济大学建筑设计研究院(集团)有限公司 | Contra-rotating construction device and contra-rotating construction method for upright steel arch cable-stayed bridge |
| CN114439249A (en) * | 2022-04-07 | 2022-05-06 | 中铁建工集团有限公司 | Construction method for lifting large-span triangular truss through air swivel |
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