When installing the flashlight dual-purpose screw hoist, the basic layout plane of the base must be kept horizontal. The contact area between the hoist base and the basic layout plane must reach the above level. The screw axis must be vertical and the horizontal plane measured on the gate platform must be in contact with the gate crane. The ear holes should be straight and vertical to prevent the screw from tilting, causing local stress and damaging the machine parts.
.. Place the screw hoist in the installation position. Put a limit plate on the screw, screw the screw into the machine from the bottom of the beam, and then put the limit plate on the screw when it is exposed from the top of the machine. The bottom of the screw rod is connected with the gate.
.The foundation for installing the hoist must be solid and safe. The concrete for the machine base and basic components must be poured according to the provisions of the drawings. When the strength of the concrete does not reach the design strength, the temporary support of the hoist is not allowed to be removed or changed, let alone trial adjustment and trial operation.
.. During installation, according to the lifting centerline of the gate, find the center so that the vertical and horizontal centerline deviation does not exceed plus or minus 3, and the elevation deviation does not exceed plus or minus. Then the second stage concrete is poured or connected with the embedded steel plate.
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