How do gourd environmental site of hoists

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How do gourd environmental site of hoists
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Sling lifting rigging points to note

• 1 Please note that in the course of the
  relationship between the angle between the
  carrying tonnage
• 2, if the lifting sets of rigging used with
  damage , 100 ton mobile crane no use
• 3, to avoid shock or vibration loading
• 4 , the safety factor of 41 , 51 or 61
  particular , the safety factor to be used within
  the range.

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Lifting chain rigging points to note are what

• 1 , the chain is not allowed in the course of
  knotted or twisted
• 2, can not load with hook tip
• 3 , chain rigging the normal operating
  temperature of -40 degrees to 200 degrees
• 4 , leg rigging, materials lifting equipment
  point should be located vertically above the
  center of gravity of the object
• 5,3 If the legs rigging , lifting objects hanging
  points should be located on both sides , lifting
  points above the center of gravity
• 6, if the three- legged and four- legged rigging
  , mini electric chain hoist rigging point should
  be uniform focus is on lifting the object level,
  and was hanging over the center of gravity .

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 Hoist the specific requirements for
environmental site

• Hoist before the job , you need to inspect the
  site to explore the environment , but also the
  need for basic workplace layout and improved in
  order to ensure the smooth operation of electric
  hoists.
• For the construction site should be flat , to "
  Stone one level" , the construction of water ,
  electricity and gas to reach conditions of use
  another such encounter dark weather or foggy
  weather , should be on the scene with a reliable
  lighting / eye-catching lights , communications
  and fire protection facilities wire rope motor
  hoist, fire exits and smooth installation of
  equipment to the construction site under
  construction and other systems have reliable
  isolation and isolation has spare parts, tools
  and construction materials, storage space , there
  should be a corresponding wind, rain , frost and
  other protective measures , inspection of parts,
  should not be installed in time temporary storage
  safekeeping and hoist the main civil works
  related to the completion of the installation ,
  manual hand chain hoist lightning ground
  improvement.