Portable balance hoist

Portable balance hoist

  • CN 2,820,808 Y
  • Filed: 07/13/2005
  • Issued: 09/27/2006
  • Est. Priority Date: 07/13/2005
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of portable balance crane, comprise base (1), be installed in winch on the base (2), it is characterized in that:

  • the other standard column joint (3) that the above suit of a joint also is installed of described winch (2), fixing between the standard column joint (3) with bearing pin (4), the top of standard column joint (3) is provided with fixed cover (5), axle bed (6) is installed above the fixed cover (5), axle bed (6) is equipped with an axle sleeve (7), the inner ring of axle sleeve (7) is provided with spline (8), the lower end of axle (9) is provided with the projection (10) that cooperates with spline (8), axle (9) outer cover is equipped with rotational sleeve (11), the bottom of rotational sleeve (11) is equipped with pivoted arm (12) and support (13), and support (13) is provided with travel switch (14), and the end of pivoted arm (12) is provided with fixed pulley (15);

    The top of rotational sleeve (11) is equipped with pulley (16), and the steel rope (17) on the winch (2) is connected with well-bucket (18) by pulley (16), (15);

    Pivoted arm (12) locates to be provided with stay cord seat (19) near pulley (15), is connected on the rotational sleeve (11) by stay cord.

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