Lifter

A lifter, comprising:

• a first support base,
• a first elevating stand assembly,
• a first elevating-drive mechanism,
• a turning-drive mechanism, and
• a bracket mechanism;
• wherein,
• a lower portion of the first elevating stand assembly is provided with two sets of first fixing racks;
• the first support base is symmetrically mounted on the first fixing racks;
• one side of the first elevating stand assembly is provided with the first elevating-drive mechanism;
• a first elevating stand is mounted inside the first elevating stand assembly;
• the first elevating-drive mechanism is configured to drive the first elevating stand to move through a transmission mechanism;
• the first elevating stand is provided with a second elevating stand;
• the turning-drive mechanism is provided with a second support base;
• the second support base is mounted on the top of the second elevating stand;
• one end of the second support base is hinged to a movable support frame, and another end of the second support base is provided with a locking assembly;
• and
• the turning-drive mechanism is provided with the bracket mechanism,
• the turning-drive mechanism further comprises a bracket fixing frame, a handle, and a position-limiting post;
• a locking flange is arranged at an end of the movable support frame;
• a first positioning hole is provided within the locking flange;
• the locking assembly cooperates with the first positioning hole;
• a trigger rod is arranged below the locking assembly;
• the trigger rod controls the locking assembly to expand and contract in a horizontal direction;
• a handle is fixed on a side wall of the movable support frame;
• an end of the handle is provided with an anti-slide sleeve;
• the bracket fixing frame is arranged above the movable support frame;
• and
• the bracket mechanism is mounted on the bracket fixing frame.