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单梁桥式起重机滑轮组检修

(1)单梁桥式起重机拆洗检修滑轮组,检查裂纹

(1) single beam bridge crane and maintenance of pulley block, check for cracks

(2)滑轮槽的检修

(2) maintenance pulley groove

(3)轴孔的检查

(3) the shaft hole inspection

(4)装配

(4) assembly

(5)滑轮轴不得有裂纹,轴颈不得磨损原直径30%,圆锥度不大于5%,超过此值即应更换;

(5) the pulley shaft shall not have cracks, the shaft neck may not wear the original diameter of 30%, conical degree of not more than 5%, more than this value that should be replaced;

(6)用样板检查滑轮槽形,径向磨损不应超过壁厚的30%,否则应报废。不得超过标准者可补修,大修后用样板检查,其底部与侧向间隙均不应大于0.5mm,轮槽中心线与滑轮中心线的偏差不应大于0.2mm,绳槽中心对轮廓端面的偏差不应大于1mm;

(6) using model checking pulley groove, radial wear should not exceed 30% of the wall thickness, or should be scrapped. Shall not exceed the standards can repair, overhaul after using model checking, the bottom and lateral clearance shall not be greater than 0.5mm, deviation of center line and the pulley wheel groove center line should not be more than 0.2mm, the rope groove center deviation on the contour surface should be less than 1mm;

(7)单梁桥式起重机大修后,轴孔允许有不超过0.25CM2的缺陷,深度不应该超过4mm;

(7) single beam bridge crane after the overhaul, the shaft hole allows of no more than 0.25CM2 defects, depth should not exceed 4mm;

(8)装配后,应能用手灵活转动,侧向摆动不得超过D/1000。D-滑轮的名义直径。

(8) after the assembly, should be able to manually rotate flexibly, lateral swing of not more than D/1000. The nominal diameter of D- pulley.

桥式起重机

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