CN109629448B - Device and method for synchronously erecting girder and bridge deck - Google Patents
Device and method for synchronously erecting girder and bridge deck Download PDFInfo
- Publication number
- CN109629448B CN109629448B CN201910081172.9A CN201910081172A CN109629448B CN 109629448 B CN109629448 B CN 109629448B CN 201910081172 A CN201910081172 A CN 201910081172A CN 109629448 B CN109629448 B CN 109629448B
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- girder
- bridge deck
- frame
- deck
- lifting
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Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a device for synchronously erecting a girder and a bridge deck, which relates to the technical field of bridge engineering and comprises a girder erection assembly and a bridge deck erection assembly, wherein the girder erection assembly comprises a frame, a girder hoisting mechanism and a travelling mechanism, and the girder hoisting mechanism is arranged on the frame and is used for hoisting girder segments; the travelling mechanism is connected with the lower end of the frame and used for driving the frame to move. The bridge deck erecting assembly comprises a bridge deck lifting mechanism, a track and a movable crane, wherein the bridge deck lifting mechanism is used for lifting a bridge deck, and then transferring the bridge deck to the movable crane; the track is arranged below the frame; the movable crane is arranged on the track and can move along the track. The invention also discloses a method for synchronously erecting the girder and the bridge deck. The invention can simultaneously erect the girder segments and the bridge deck, and has short construction period and high efficiency.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a device and a method for synchronously erecting a girder and a bridge deck.
Background
In the whole section erection construction of the cable-stayed bridge girder, the girder section of the main bridge is generally erected by a girder erection crane, and after girder erection is completed, the erection construction of the bridge deck is carried out by using an automobile crane.
The traditional construction method for erecting the girder and the bridge deck comprises the following steps:
the girder erecting crane is ready, the girder erecting crane lifts the girder segments, the girder segments are moved to specified positions, the girder segments are arranged in an aligned mode, and the steps are repeated until all the girder segments are erected; after the erection of all the girder sections is completed, the automobile crane is ready, the automobile crane lifts the bridge deck plate, the bridge deck plate is moved to the appointed position, the bridge deck plate is erected, after the bridge deck plate of one girder section is erected, the automobile crane is moved to the bridge deck plate which is already erected, the next girder section bridge deck plate is ready to be lifted, and the steps are repeated until all the bridge deck plates are completely erected.
The construction method has the following problems: because the girder erecting crane and the truck crane are large-scale hoisting equipment, and the girder and the bridge deck are sequentially constructed, the construction period is long and the efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device and a method for synchronously erecting a girder and a bridge deck, which can simultaneously erect girder segments and bridge deck, and has short construction period and high efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: an apparatus for simultaneously erecting a main girder and a bridge deck, comprising:
girder erects subassembly, it includes:
-a frame;
-a main beam lifting mechanism provided on the frame;
-a travelling mechanism connected to the frame for driving the frame to move;
an abutment plate erection assembly comprising:
-an abutment plate lifting mechanism provided on the frame;
-a track provided on the frame;
-a mobile crane provided on said track and movable along said track.
On the basis of the technical scheme, the frame is provided with an anchoring structure which is used for anchoring the frame on the installed girder segment.
On the basis of the technical scheme, a jacking mechanism is arranged between the frame and the travelling mechanism and is used for adjusting the distance between the frame and the bridge deck.
On the basis of the technical scheme, the bridge deck hoisting mechanism is a rotary crane and is used for transferring the bridge deck to the hoisting range of the movable crane.
On the basis of the technical scheme, the bridge deck erection assembly further comprises a movable trolley, wherein the movable trolley is used for carrying the bridge deck to the lifting range of the movable crane.
The invention also provides a method for synchronously erecting the girder and the bridge deck by using the device, which comprises the following steps:
the driving rack is fixed after moving to a preset position;
lifting the girder segment to a preset position by using a girder lifting mechanism, and erecting the girder segment;
simultaneously, using a bridge deck lifting mechanism to lift the bridge deck, transferring the bridge deck to the lifting range of the movable crane, lifting the bridge deck by using the movable crane, and installing the bridge deck after moving to a preset position along a track;
and (5) releasing the fixation of the frame, and repeating the steps until all the girder sections and the bridge deck are erected.
On the basis of the technical scheme, when the frame is fixed, the frame is anchored on the installed girder segment by using an anchoring structure.
On the basis of the technical scheme, before the girder hoisting mechanism lifts the girder segments, the lifting mechanism is used for adjusting the height of the frame, so that the distance between the frame and the bridge deck reaches a preset distance.
On the basis of the technical scheme, the bridge deck hoisting mechanism is a rotary crane, and the bridge deck hoisting mechanism rotates after hoisting the bridge deck, so that the bridge deck is transferred to the hoisting range of the movable crane.
On the basis of the technical scheme, the movable trolley is used for carrying the bridge deck to the lifting range of the movable crane.
Compared with the prior art, the invention has the advantages that: the device for synchronously erecting the girder and the bridge deck comprises the girder erection component and the bridge deck erection component, wherein the girder erection component erects girder segments, and the bridge deck erection component erects the bridge deck, and the girder segments and the bridge deck can be erected simultaneously by independent working and mutual noninterference, so that the construction period is short and the efficiency is high.
Drawings
FIG. 1 is a schematic view of an apparatus for simultaneously erecting a main girder and a deck slab according to an embodiment of the present invention;
FIG. 2 is a side view of an apparatus for simultaneously erecting a main girder and a deck plate in accordance with an embodiment of the present invention;
in the figure: 1. a main girder erection assembly; 11. a frame; 12. a main beam lifting mechanism; 13. a walking mechanism; 14. a jacking mechanism; 15. an anchor structure; 2. a bridge deck erection assembly; 21. a bridge deck lifting mechanism; 22. a track; 23. moving the crane; 24. a moving trolley; 3. a main girder segment; 4. bridge deck.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a device for synchronously erecting a girder and a bridge deck, which includes a girder erection assembly 1 and a bridge deck erection assembly 2, wherein the girder erection assembly 1 includes a frame 11, a girder lifting mechanism 12 and a travelling mechanism 13, the girder lifting mechanism 12 is disposed on the frame 11, and is used for lifting a girder segment 3; the travelling mechanism 13 is connected with the lower end of the frame 11 and is used for driving the frame 11 to move.
The deck slab erection assembly 2 comprises a deck slab lifting mechanism 21, a track 22 and a movable crane 23, wherein the deck slab lifting mechanism 21 is used for lifting the deck slab 4, and then transferring the deck slab 4 to the movable crane 23; the track 22 is arranged below the frame 11 and is positioned between the frame 11 and the travelling mechanism 13; the movable crane 23 is provided on the rail 22 and is movable along the rail 22. The deck slab hoisting mechanism 21 and the girder hoisting mechanism 12 are respectively positioned at two ends of the frame 11 along the bridge erection direction.
Compared with the prior art, the device for synchronously erecting the girder and the bridge deck plate is provided with the girder erection component 1 and the bridge deck plate erection component 2, the girder erection component 1 erects the girder segment 3, the bridge deck plate erection component 2 erects the bridge deck plate 4, the girder segment 3 and the bridge deck plate 4 can be erected simultaneously without mutual interference, the construction period is short, the efficiency is high, and the construction cost is reduced due to equipment integration.
As a preferred embodiment, the frame 11 is provided with an anchoring structure 15 for anchoring the frame 11 to the installed girder segment 3, ensuring structural stability when lifting the girder segment 3.
As a preferred embodiment, a lifting mechanism 14 is arranged between the frame 11 and the travelling mechanism 13, the lifting mechanism 14 is used for adjusting the distance between the frame 11 and the bridge deck, and a proper distance is convenient for the mobile crane 23 to move the bridge deck 4, and the installation of the bridge deck 4 is also facilitated. In addition, the jacking mechanism 14 is also used for the conversion of a stress system, when the girder segment 3 and the bridge deck 4 are erected, the lower end of the jacking mechanism 14 is propped against the girder due to limited load born by the travelling mechanism 13, and the main load in the construction work time is transferred to the girder, so that the structural stress of the device is more reasonable.
As a preferred embodiment, the deck slab lifting mechanism 21 is a swing crane for transferring the deck slab 4 to the lifting range of the mobile crane 23. Specifically, the deck slab lifting mechanism 21 lifts the deck slab 4 to be installed from above the installed deck slab 4 or below the bridge, and then the deck slab lifting mechanism 21 rotates, transferring the deck slab 4 to the lifting range of the mobile crane 23. Meanwhile, as the bridge deck hoisting mechanism 21 is a rotary crane, the installation coverage of the bridge deck 4 is enlarged.
As a preferred embodiment, the deck slab erection assembly 2 further comprises a traveling carriage 24 for carrying the deck slab 4 to the hoisting range of the traveling crane 23. Specifically, if the installed deck slab 4 has transportation conditions, the traveling carriage 24 may carry the deck slab 4 to be installed to the hoisting range of the traveling crane 23 from a remote place, and then the traveling crane 23 lifts the deck slab 4 to be installed for installation.
Referring to fig. 1, an embodiment of the present invention provides a method for synchronously erecting a girder and a bridge deck, including the following steps:
the driving frame 11 is moved to a predetermined position and then the frame 11 is fixed. Specifically, the traveling mechanism 13 drives the frame 11 to move to a predetermined position.
Lifting the girder segment 3 to a preset position using a girder lifting mechanism 12, and erecting the girder segment 3;
and simultaneously, the bridge deck 4 is lifted by using the bridge deck lifting mechanism 21, the bridge deck 4 is transferred to the movable crane 23, the bridge deck 4 is lifted by using the movable crane 23, and the bridge deck 4 is installed after the bridge deck 4 moves to a preset position along the track 22.
The frame 11 is released from the fixation and the above steps are repeated until all girder segments 3 and deck slabs 4 are erected.
Compared with the prior art, the method for synchronously erecting the girder and the bridge deck plate has the advantages that the girder segments are erected through the girder erection component 1, the bridge deck plates are erected through the bridge deck plate erection component 2, the girder segments 3 and the bridge deck plates 4 can be erected simultaneously through independent work and are not interfered with each other, the construction period is short, the efficiency is high, and the construction cost is reduced.
As a preferred embodiment, the frame 11 is anchored to the installed girder segments 3 using the anchoring structures 15 when the frame 11 is fixed, and the stability of the structure is ensured when the girder segments 3 are lifted.
As a preferred embodiment, the lifting mechanism 14 is used to adjust the height of the frame 11 before the main beam lifting mechanism 12 lifts the main beam segment 3, so that the distance between the frame 11 and the bridge deck is set to a predetermined distance, and the appropriate distance facilitates the moving crane 23 to move the bridge deck 4, and also facilitates the installation of the bridge deck 4. In addition, the jacking mechanism 14 is also used for the conversion of a stress system, when the girder segment 3 and the bridge deck 4 are erected, the lower end of the jacking mechanism 14 is propped against the girder due to limited load born by the travelling mechanism 13, and the main load in the construction work time is transferred to the girder, so that the structural stress of the device is more reasonable.
As a preferred embodiment, the deck slab lifting mechanism 21 is a rotary crane, and the deck slab lifting mechanism 21 lifts the deck slab 4 and rotates to shift the deck slab 4 to the lifting range of the mobile crane 23. Specifically, the deck slab lifting mechanism 21 lifts the deck slab 4 to be installed from above the installed deck slab 4 or below the bridge, and then the deck slab lifting mechanism 21 rotates, transferring the deck slab 4 to the lifting range of the mobile crane 23. Meanwhile, as the bridge deck hoisting mechanism 21 is a rotary crane, the installation coverage of the bridge deck 4 is enlarged.
As a preferred embodiment, the traveling carriage 24 is used to convey the bridge deck 4 to the hoisting range of the traveling crane 23. Specifically, if the installed deck slab 4 has transportation conditions, the traveling carriage 24 may carry the deck slab 4 to be installed to the hoisting range of the traveling crane 23 from a remote place, and then the traveling crane 23 lifts the deck slab 4 to be installed for installation.
The invention is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the invention, which modifications and adaptations are also considered to be within the scope of the invention. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (10)
1. A device for simultaneously erecting a main girder and a bridge deck, comprising:
girder erection subassembly (1), it includes:
-a frame (11);
-a main beam lifting mechanism (12) provided on the frame (11);
-a travelling mechanism (13) connected to the frame (11) for driving the frame (11) to move;
bridge deck erection assembly (2), comprising:
-an abutment plate lifting means (21) provided on said frame (11);
-a track (22) provided on the frame (11);
-a mobile crane (23) provided on said track (22) and movable along said track (22).
2. The apparatus for simultaneously erecting a girder and a deck slab according to claim 1, wherein:
an anchoring structure (15) is arranged on the frame (11) and is used for anchoring the frame (11) on the installed girder segment.
3. The apparatus for simultaneously erecting a girder and a deck slab according to claim 1, wherein:
a jacking mechanism (14) is arranged between the frame (11) and the travelling mechanism (13), and the jacking mechanism (14) is used for adjusting the distance between the frame (11) and the bridge deck.
4. The apparatus for simultaneously erecting a girder and a deck slab according to claim 1, wherein:
the deck slab lifting mechanism (21) is a rotary crane and is used for transferring the deck slab to the lifting range of the movable crane (23).
5. The apparatus for simultaneously erecting a girder and a deck plate as claimed in claim 4, wherein:
the deck erecting assembly (2) further comprises a travelling trolley (24) for carrying the deck to the hoisting range of the travelling crane (23).
6. A method of using the apparatus for simultaneously erecting a main girder and a deck plate as claimed in claim 1, comprising the steps of:
the driving rack (11) is moved to a preset position and then the rack (11) is fixed;
lifting the girder segments to a preset position by using a girder lifting mechanism (12) and erecting the girder segments;
simultaneously, a bridge deck lifting mechanism (21) is used for lifting the bridge deck, the bridge deck is transferred to the lifting range of a movable crane (23), then the movable crane (23) is used for lifting the bridge deck, and the bridge deck is installed after the bridge deck moves to a preset position along a track (22);
and (3) releasing the fixation of the frame (11), and repeating the steps until all the girder sections and the bridge deck are erected.
7. The method of claim 6, wherein:
when the frame (11) is fixed, the frame (11) is anchored to the installed girder segments using an anchoring structure (15).
8. The method of claim 6, wherein:
before the girder hoisting mechanism (12) is used for hoisting the girder segments, the jacking mechanism (14) is used for adjusting the height of the frame (11) so that the distance between the frame (11) and the bridge deck is up to a preset distance.
9. The method of claim 6, wherein:
the bridge deck lifting mechanism (21) is a rotary crane, and the bridge deck lifting mechanism (21) rotates after lifting the bridge deck to transfer the bridge deck to the lifting range of the movable crane (23).
10. The method of claim 9, wherein: and using a mobile trolley (24) to carry the bridge deck to the lifting range of the mobile crane (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081172.9A CN109629448B (en) | 2019-01-28 | 2019-01-28 | Device and method for synchronously erecting girder and bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081172.9A CN109629448B (en) | 2019-01-28 | 2019-01-28 | Device and method for synchronously erecting girder and bridge deck |
Publications (2)
| Publication Number | Publication Date |
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| CN109629448A CN109629448A (en) | 2019-04-16 |
| CN109629448B true CN109629448B (en) | 2023-10-20 |
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| CN201910081172.9A Active CN109629448B (en) | 2019-01-28 | 2019-01-28 | Device and method for synchronously erecting girder and bridge deck |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110316656A (en) * | 2019-05-30 | 2019-10-11 | 中交一公局桥隧工程有限公司 | A kind of girder bridge floor boom hoisting |
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| CN109629448A (en) | 2019-04-16 |
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