Stepless speed change bench drill
OwnerWeidong Zhanginventor
Life of this patent
Estimating the term…
Abstract
This invention relates to stepless speed change bench drill, comprising a pedestal, a vertical post mounted on the pedestal, a worktable and a cabinet mounted on the vertical post, a driving shaft and a main shaft mounted on the upper portion of the cabinet, a motor for transmitting power to the driving shaft, a motor movable wheel and a motor stationary wheel mounted on the driving shaft, and a main shaft movable wheel and a main shaft stationary wheel mounted on the main shaft, a speed regulation shaft provided with a threaded section and mounted between the driving shaft and the main shaft, the threaded section is engaged with a threaded hole formed on a bearing block, the bearing block is simultaneously mounted on the main shaft, the speed regulation shaft is rotated by a speed regulation hand wheel.
Claims10
A stepless speed change bench drill, comprising:
- a pedestal (19);
- a vertical post (18) mounted on said pedestal (19);
- a worktable (17) and a cabinet (16) which are mounted on said vertical post (18);
- a driving shaft (2) and a main shaft (24) which are mounted on an upper portion of said cabinet (16);
- a motor (1) for transmitting power to said driving shaft (2);
- a motor movable wheel (4) and a motor stationary wheel (5) which are mounted on said driving shaft (2);
- and
- a main shaft movable wheel (11) and a main shaft stationary wheel (12) which are mounted on said main shaft (24),
- wherein a speed regulation device is provided between the driving shaft and the main shaft, said speed regulation device comprises a speed regulation shaft (9) provided with a threaded section (31), said threaded section (31) is engaged with a threaded hole (25) formed on a bearing block (10), said bearing block (10) is simultaneously mounted on the main shaft (24), said speed regulation shaft (9) is rotated by a speed regulation hand wheel (15).
Dependencies are inferred from the claim text.