Use the standard section bolts to secure the lower support to the standard section

Tower crane and construction elevator installation and disassembly process tower crane installation. Installation of the chassis and guardrail: Firstly, the professional installation team and the person in charge of the project department jointly check and confirm that the preparation work is perfect, and then place the chassis on the concrete platform with the strength meeting to meet the requirements to fix the mechanical equipment. To ensure that the chassis is level, do not have a large angle of inclination. If there is a tilt, you can add a gasket to adjust, but you must ensure that the gasket is firm and there is no looseness. Installation standard section, sleeve: take two standard sections and jacking sleeves together to form a whole, and install this whole onto the tower chassis, using bolts to align the positions of the connecting holes, and the standard section of the chassis and tower tight connection. Hoisting slewing bearing assembly: The upper support, the lower support and the slewing bearing are connected together as a whole at the factory. Therefore, it is only necessary to install the whole on the sleeve during the installation process, and the lower branch is required. The seat is accurately docked with the standard section, and the lower bracket is tightly fixed with the standard section with standard bolts, and then the working platform on the upper bracket is installed.

Lifting transition section, tower cap, driver's cab: Install the transition section on the upper support. When laying on the ground, install the platform, railings and escalators on the tower cap, and then hang the tower cap above the transition section. After installing the electrical control equipment required in the driver's cab, lift the cab to the right side of the upper bracket and secure it with bolts. Lifting the balance arm: After installing the hoisting mechanism and the distribution box on the balance arm, connect the balance arm lever to the balance arm. After lifting the balance arm, first install the tie rod, then lower the balance arm and hoist the upper part. Heavy block. Hoisting boom and bracket system: According to the length of the boom boom, assemble them together with the pin shaft, and proceed in sequence, not in order, after connecting one or two sections of the boom, at the root of the boom Fix the variable-width car and make the car off the ground and install the trolley traction mechanism. For the lifting of the remaining weights, it is necessary to wear the relevant rope system, inspect all the mechanical parts, structural connection parts and electrical parts of the tower crane to ensure that the safety protection device is adjusted and the test is carried out without any errors.

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