Lifting method for dismantling the central drum ring of the hydraulic mold lifting device
A hoisting method and drum hoop technology are applied in the fields of formwork/formwork/work frame, on-site preparation of building components, construction, etc., which can solve the problems of long residence time, high installation and disassembly costs, and save construction costs, installation and disassembly. The effect of convenient construction and shortening of installation and demolition period
Active Publication Date: 2022-02-01
SEPCO ELECTRIC POWER CONSTR CORP
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AI Technical Summary
Problems solved by technology
After the construction workers remove the 8 chain hoists that stabilize the central drum ring, they need to lower the cage from the lower part of the central drum ring to the ground, and the personnel stay directly under the hanging objects for a long time
In addition, the cost of beam fabrication, installation and disassembly is relatively high
Method used
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Embodiment Construction
[0027] The present invention is further described below.
[0028] The hoisting method for disassembling the central drum ring 1 of the hydraulic mold lifting device disclosed by the present invention includes the following steps:
[0029] Four support beams 7 are symmetrically arranged on the top of the chimney, and the reverse pulley group is arranged on the inner side of each support beam 7, and four poplar winches are respectively arranged corresponding to the support beam 7 and the electrical circuit of the winch is installed;
[0030] Stabilize the central drum circle 1 by using a chain block, and set up a walkway for construction workers to reach the central drum circle 1;
[0031] Lift the steel wire rope of the poplar winder, and fix it at the corresponding lifting point of the central drum ring 1 after going through the reverse pulley group;
[0032] Disassemble the radiation beam and derrick of the form lifting device, and loosen the chain hoist that stabilizes the ...
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The invention relates to the field of chimney construction, and discloses a hoisting method for disassembling a central drum ring of a hydraulic mold lifting device. The method comprises the following steps: arranging four support beams symmetrically on the top of the chimney, arranging a reversing pulley group inside each support beam, arranging four poplar hoisting machines corresponding to the supporting beams and installing the electrical lines of the hoisting machines; Set up the walkway for construction workers to reach the central drum circle; lift the steel wire rope of the poplar machine and fix it at the corresponding lifting point of the central drum circle after going through the reverse pulley group; disassemble the radiation beam and derrick of the mold lifting device, and loosen the stable center The chain hoist of the drum ring; use the four hoists arranged to test the central drum ring. After the trial hoisting, the four hoists are hoisted synchronously to lower the central drum ring to the ground. The method not only brings convenience to the installation and disassembly construction of the hoisting system, but also saves the construction cost and shortens the installation and disassembly construction period of the hoisting system.
Description
technical field [0001] The invention relates to the field of chimney construction, in particular to a hoisting method for disassembling a central drum ring of a hydraulic mold lifting device. Background technique [0002] The hydraulic mold lifting device is an important equipment for chimney construction. Take the YT-16 hydraulic mold lifting device as an example. The YT-16 hydraulic mold lifting device consists of a derrick and a construction platform system, a hydraulic system, an electrical control system, an operating system, and system, hoisting system, small pole hoisting device, etc. The load of the hydraulic lifting system is directly transferred from the load-bearing formwork distributed outside the cylinder to the concrete cylinder wall with a certain strength. The lifting mechanism moves through the oil cylinder fixed on the lifting frame, and relies on the lifting frame and the operating frame to rise alternately along the load-bearing formwork. Elevate tasks. ...
Claims
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IPC IPC(8): E04G11/28
CPCE04G11/28
Inventor 陈恭苟勤良
Owner SEPCO ELECTRIC POWER CONSTR CORP