Spaceflight ratchet wrench capable of being used by one hand
A ratchet wrench and spaceflight technology, applied in the field of manned spaceflight, can solve problems such as the inability to complete the task of removing screws for extravehicular activities, and the inability to satisfy one-handed operations.
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[0042] When in use, when the screw is tightened, the handle housing rotates clockwise, the ratchet rotates clockwise under the action of the left pawl, the limit ferrule overcomes the engagement force and rotates clockwise with the extension rod at the same time, the ratchet wrench works effectively on the screw, and the handle The housing rotates counterclockwise, and the ratchet needs to overcome the rotational torque generated by the left pawl across the teeth of the ratchet to keep the ratchet from rotating. There is no relative movement, the extension rod does not rotate, the ratchet remains unchanged, and the handle housing is reset counterclockwise to realize one-handed tightening operation.
[0043] When the screw is loosened, the handle shell rotates counterclockwise, the ratchet rotates counterclockwise under the action of the right pawl, the limit ferrule overcomes the meshing force and rotates counterclockwise with the extension rod at the same time, the ratchet wre...
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