The invention discloses an auxiliary-opening weeding
machine. The weeding
machine comprises a shell, wherein an
energy storage cavity is formed in the shell, a
pendulum bob cavity is formed in the inner wall of the right side of the
energy storage cavity, a balance detection mechanism is arranged in the
pendulum bob cavity, a transmission cavity is formed in the inner bottom wall of the
pendulum bob cavity, two identical fluid cavities are formed in the inner wall of the left side of the transmission cavity, a
turbine cavity for
cutting off the fluid cavities is formed between the fluid cavities, a pneumatic mechanism is arranged in the
turbine cavity, and a battery is fixedly arranged on the inner wall of the right side of the pendulum bob cavity. By means of relative rotation of two cutter heads, weeding is more orderly and efficient, accumulated power is released to form assistance for advancing of the weeding
machine when the weeding machine is pushed to go uphill through the power accumulated during weeding, a worker can push the weeding machine to go uphill more easily, resistance to the front side of the weeding machine is provided when the weeding machine goes downhill, and therefore, safety accidents caused by slope sliding of the weeding machine are prevented.