CN215164727U - Lifting device for installing steel box girder cantilever - Google Patents

Lifting device for installing steel box girder cantilever Download PDF

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Publication number
CN215164727U
CN215164727U CN202120706933.8U CN202120706933U CN215164727U CN 215164727 U CN215164727 U CN 215164727U CN 202120706933 U CN202120706933 U CN 202120706933U CN 215164727 U CN215164727 U CN 215164727U
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CN
China
Prior art keywords
steel box
box girder
girder
roof beam
bailey
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Active
Application number
CN202120706933.8U
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Chinese (zh)
Inventor
王安文
吴曼
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Road and Bridge International Co Ltd
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Road and Bridge International Co Ltd
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Filing date
Publication date
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Priority to CN202120706933.8U priority Critical patent/CN215164727U/en
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Publication of CN215164727U publication Critical patent/CN215164727U/en
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Abstract

The utility model relates to a hoisting device for installation of steel box girder cantilever, including a cross bridge to setting up the bailey roof beam at the steel box girder top surface of having installed and accomplished, the both ends of bailey roof beam extend to certain length outside the steel box girder both sides, and the both ends top surface of bailey roof beam sets up one respectively and fills up the roof beam, fills up and sets up a continuous jack of punching on the roof beam, and a hoist cable is worn to establish by every jack, and the lower extreme of hoist cable passes and fills up roof beam and bailey roof beam and connects a hoist. The utility model discloses a jack promotes the cantilever section, and equipment is simple, does not occupy the hoisting equipment time, and the installation rate is very fast, and can guarantee the installation accuracy.

Description

Lifting device for installing steel box girder cantilever
Technical Field
The utility model belongs to the technical field of steel construction bridge construction, a hoisting device for installing cantilever of steel box girder both sides is related to.
Background
The two sides of a steel box girder of a steel structure bridge are generally provided with cantilever sections, and the cantilever sections are welded on the two sides of the steel box girder after the steel box girder is installed. The cantilever section is small in size, cost is too high if a support is erected, the two sides of a steel box girder are generally hoisted by using an automobile to be welded, large hoisting equipment needs to be occupied for a long time, turnover utilization rate of the large equipment on a construction site is affected, and the cantilever section is unstable in the air and causes certain difficulty in welding construction.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a hoisting device for installation of steel box girder cantilever is provided, does not adopt large-scale hoisting equipment to guarantee cantilever installation accuracy.
The technical scheme of the utility model as follows:
the utility model provides a hoisting device for installation of steel box girder cantilever which characterized in that: the steel box girder comprises a transverse bridge, wherein the transverse bridge is arranged on a Bailey girder on the top surface of an installed steel box girder, two ends of the Bailey girder extend to a certain length outside two sides of the steel box girder, two top surfaces of two ends of the Bailey girder are respectively provided with a pad girder, a through type continuous jack is arranged on the pad girder, each jack is penetrated by a sling, and the lower end of the sling penetrates through the pad girder and the Bailey girder to be connected with a lifting appliance.
The utility model adopts the jack to lift the cantilever section, has simple equipment, low cost and high installation speed, does not occupy the time of hoisting equipment, and can be installed when the installation of one span is finished and the next span is carried out; the cantilever section is stable in the air, and the installation precision can be ensured.
Drawings
FIG. 1 is a schematic structural view of the transverse direction of the present invention;
fig. 2 is a schematic structural diagram of the present invention along the bridge direction.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a horizontal bridge is to setting up bei lei liang 2 at the 1 top surface of the steel box girder of completion of installation, and the both ends of bei lei liang extend to certain length outside the steel box girder both sides, and bei lei liang 2's both ends top surface sets up one respectively and fills up roof beam 3, fill up and set up a continuous jack 4 of punching on the roof beam, every jack 4 wears to establish a hoist cable 5, and the lower extreme of hoist cable 5 passes and fills up roof beam and bei lei liang and connects a hoist 6.
The utility model discloses during the concrete implementation, can the bottom of bei lei roof beam is in the same direction as the bridge to having set up many distribution roof beams 7, the top surface highly uniform of each distribution roof beam, under the uneven condition of steel box girder top surface, can guarantee that bei lei roof beam bottom atress is even.
The utility model discloses when the construction, two hoisting device cooperations are used, and two bailey roof beams 2 set up suitable interval according to the length of cantilever section, and two bailey roof beams connect a cantilever section 8 jointly at the hoist of steel box girder with one side, and each jack promotes the hoist cable in step, promotes two cantilever sections respectively to steel box girder both sides and welds.

Claims (2)

1. The utility model provides a hoisting device for installation of steel box girder cantilever which characterized in that: the steel box girder comprises a transverse bridge, wherein the transverse bridge is arranged on a Bailey girder on the top surface of an installed steel box girder, two ends of the Bailey girder extend to a certain length outside two sides of the steel box girder, two top surfaces of two ends of the Bailey girder are respectively provided with a pad girder, a through type continuous jack is arranged on the pad girder, each jack is penetrated by a sling, and the lower end of the sling penetrates through the pad girder and the Bailey girder to be connected with a lifting appliance.
2. The lifting device for cantilever mounting of a steel box girder according to claim 1, wherein: and a plurality of distribution beams are erected at the bottom of the Bailey beam along the bridge direction, and the top surfaces of the distribution beams are consistent in height.
CN202120706933.8U 2021-04-07 2021-04-07 Lifting device for installing steel box girder cantilever Active CN215164727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120706933.8U CN215164727U (en) 2021-04-07 2021-04-07 Lifting device for installing steel box girder cantilever

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120706933.8U CN215164727U (en) 2021-04-07 2021-04-07 Lifting device for installing steel box girder cantilever

Publications (1)

Publication Number Publication Date
CN215164727U true CN215164727U (en) 2021-12-14

Family

ID=79359529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120706933.8U Active CN215164727U (en) 2021-04-07 2021-04-07 Lifting device for installing steel box girder cantilever

Country Status (1)

Country Link
CN (1) CN215164727U (en)

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