Labor saving machine
A force machine and lever technology, applied in the field of labor-saving machines, can solve problems such as inability to save labor, and achieve the effects of energy saving, convenient matching and simple structure
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[0016] In Figure 1, the upper box body ① the lower box body ② has fasteners Connection, front crankshaft ③rear crankshaft Each end connected to the lower case ② can also be a bearing, with the upper case ① pressed, the front crankshaft ③, the crank (37-42) and the connecting rod (4-9) are slidingly connected, and the other end of the connecting rod is pinned axis 、Connect with the long end of the lever (18-23) slidingly, and set the middle hole of the lever at the position where the mechanical benefit of each lever (18-23) is greater than 1. The lower part of the lever bracket (26-30) is integrated with the lower box ②, the upper part is perforated, and the lever shaft There are fasteners through the lever (18-23) and the bracket (26-30) The lever shaft Fixed, the lever (18-23) is on the lever shaft Sliding up, rear crankshaft The crank (44-49) and the piston type rear connecting rod (10-15) use a split bearing bracket at one end Sliding connection, piston rod With cyli...
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