also fixed pulley means and the upper portion of the movable pulley V-groove fit, form the movable pulley block; the rope end fixing means includes wire connector and pin, pin connector and fixing device connected to the rope or pulley means; the fixed pulley means fixed pulley means connecte...
attached to a fixed point and allows the rope or cable to do work. A movable pulley travels along with the object being moved by the pulley. A movable pulley multiplies the force being applied to move the object. Combining several pulleys can form a compound machine called a block and ...
A single movable pulley is able to move over the rope through the groove. Its axis of rotation is not fixed. One end of the rope is fixed and effort is applied to the other end of the rope. The load that is to be moved is hung on a hook of the pulley. It is used to move...
The pulley is directly or indirectly equipped with a corresponding brake clamping part. The utility model also relates to a corresponding movable arm variable amplitude safety stay cable device for cranes. The braking fixed pulley can be used for various pulley mechanisms. The crane movable arm ...
At least one of the pulley halves is provided with a roughened portion (7). This may be bounded by two circular arc segments concentric with the pulley and two radii. If pref. consists of the same material as the pulley.RIJSDIJK JAN...
The proposed method for determining the efficiency of a movable or fixed rope pulley consists in determining the load weight, measuring the force in the descending branch of the rope, determining the ratio between the load weight and the said force, measuring the amplitude of the visible ...
The flange has one or more recesses (22e running in the axial direction, and in which the piston rods (21) rigidly coupling piston and movable pulley block (16) are guided.
The device has a cable (204), which is mounted over a pulley (203) movable at a fixed point (202), which is provided with the weights. A point (201) is moved over a support pulley (205). The pulley is positively driven by the cylindrical shaped bolts on a path (208). The ...
Movable pulley and laborsaving research device of fixed pulley exchange formula, including braced frame, braced frame includes that the main tributary props, the main tributary props one side and is fixed with a dynamometer, and the main tributary props the opposite side and is fixed with two ...
movable pulley and the fixed pulley shifted comprises a fixing device, a fixed pulley device, a movable pulley device and a rope end fixing device, wherein the fixed pulley device can be connected on the fixing device through a fixing shaft hole and a fixing shaft to form a fixed pulley ...