Positioning measurement device and method for horizontal tightening latch of group horizontal actuator

The invention discloses a positioning and measuring device for a horizontal tightening latch of a group horizontal actuator, and the device comprises a conversion connecting piece connected with the horizontal tightening latch, and a spherical prism which is detachably installed on the conversion connecting piece and is far away from the connection end of the conversion connecting piece and the horizontal tightening latch, and the center of one end of the conversion connecting piece is provided with an inner installation screw hole matched with the horizontal tightening latch. And an arc-shaped mounting groove matched with the spherical prism is formed in one end, far away from the inner mounting screw hole, of the conversion connecting piece. The invention further discloses a positioning measurement method for the horizontal tightening latch of the group horizontal actuator. According to the invention, the conversion connecting piece and the spherical prism are ingeniously combined together and are matched w