Bottom die platform integral hoisting-dismantling-type hanging basket suspension arm and construction method
A platform and bottom mold technology, which is applied in the field of integral hanging and dismantling hanging basket boom and construction method of the bottom mold platform, can solve the problems of long dismantling time, many machines occupied, and high cost, so as to reduce the risk of demolition and speed up construction progress and reduce construction costs
Pending Publication Date: 2021-08-17
HENAN QIANKUN ROAD & BRIDGE ENG CO LTD
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Problems solved by technology
[0004] In view of the above-mentioned related technologies, the inventor believes that there are the following defects: in the current mature hanging basket structure, the bottom mold platform is generally disassembled in a decentralized way. The safety risk is greater, and the disassembly time is longer, it takes up more machinery, and the cost is higher
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[0043] The following is attached Figure 1-3 The application is described in further detail.
[0044] The embodiment of the present application discloses a bottom formwork platform integral hanging and dismantling type hanging basket boom. refer to figure 1 , the bottom mold platform is hoisted and dismantled as a whole, and the hanging basket boom includes a lifting system, and the lifting system includes a through-hole jack 1, and the through-hole jack 1 cooperates with an oil pump to form a power mechanism.
[0045] Wherein, the power mechanism formed by the cooperation of the through jack 1 and the oil pump is the prior art. The specific working principle is: when stretching the prestressed tendon, the oil nozzle of the tensioning cylinder enters the oil, the oil nozzle of the top pressure cylinder returns oil, and the top pressure cylinder, connecting sleeve and support sleeve are integrated to move to the right to withstand the anchor ring; the tensioning cylinder, end...
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The invention relates to a bottom die platform integral hoisting-dismantling-type hanging basket suspension arm and a construction method. The hanging basket suspension arm comprises a hoisting system, the hoisting system comprises a center hole jack, the center hole jack is matched with an oil pump to form a power mechanism, the center hole jack is fixedly connected with a hoisting rope, the end, away from the center hole jack, of the hoisting rope is connected with a stress locking conversion mechanism arranged at the bottom of a lower cross beam of a bottom die platform, the end, close to the center hole jack, of the hoisting rope is detachably connected with a tool anchor arranged at the top end of a continuous beam, the stress locking conversion mechanism comprises an anchorage device and a clamping piece, and the hoisting rope is a steel strand. The center hole jack is matched with the oil pump to serve as power equipment, the steel strand serves as the hoisting rope, the anchorage device and the clamping piece serve as control and stress conversion tools, the whole hanging basket bottom die platform is hoisted and placed to the ground and then dismantled, in the mode, the risk of dismantling a hanging basket bottom die is reduced, the construction progress is accelerated, and the construction cost is reduced.
Description
technical field [0001] The present application relates to the technical field of bridge construction, in particular to a bottom formwork platform integrally suspended and dismantled hanging basket boom and a construction method. Background technique [0002] During the construction of the bridge superstructure, many continuous beams are constructed using hanging basket cantilever construction. [0003] Related technologies can refer to the Chinese invention patent application publication number CN103911957A, which discloses a prestressed continuous box girder cantilever construction hanging basket, including the main truss, the bottom of the main truss is connected to the walking system through an anchor system, and the walking system is also mounted with a cantilever The suspension system is connected to the bottom basket under the suspension system. The suspension system is also equipped with a formwork. The walking system can drive the suspension system to move on the mai...
Claims
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IPC IPC(8): E01D21/10E01D101/28
CPCE01D21/10E01D2101/28
Inventor 汪正文李鹏飞
Owner HENAN QIANKUN ROAD & BRIDGE ENG CO LTD