A conveying apparatus, comprising: a magnetic rack movable along a first direction, having a plurality of magnetic rack magnetic teeth (100, 101, 102 - 108) arranged in the first direction, adjacent ones of the magnetic rack magnetic teeth (100, 101, 102 - 108) having different polarities; at least one first magnetic gear (110, 111, 112, 113) rotatable about at least one first axis, respectively, wherein each first magnetic gear has a plurality of first magnetic gear magnetic teeth and adjacent ones of the first magnetic gear magnetic teeth have different polarities; at least one second magnetic gear (120, 121, 122, 123) rotatable about at least one second axis, respectively, wherein each second magnetic gear (120, 121, 122, 123) has a plurality of second magnetic gear magnetic teeth and adjacent ones of the second magnetic gear magnetic teeth have different polarities; wherein: the at least one first magnetic gear, in combination with the at least one second magnetic gear, forms at least one magnetic gear set, respectively; the magnetic rack and the second magnetic gear are capable of magnetically engaging in a non-contact state with different first magnetic gear teeth of the first magnetic gear belonging to the same magnetic gear set via the magnetic rack magnetic teeth and the second magnetic gear teeth, respectively; and when the at least one second magnetic gear (120, 121, 122, 123) is configured to be used as a driving gear to output power, the power is transmitted to the magnetic rack through the at least one first magnetic gear (110, 111, 112, 113) so as to move the magnetic rack along the first direction characterized in that: the first magnetic gear (110, 111, 112, 113) and the second magnetic gear (120, 121, 122, 123) are conical gears; and the magnetic rack is a straight-tooth rack. a magnetic rack movable along a first direction, having a plurality of magnetic rack magnetic teeth (100, 101, 102 - 108) arranged in the first direction, adjacent ones of the magnetic rack magnetic teeth (100, 101, 102 - 108) having different polarities; at least one first magnetic gear (110, 111, 112, 113) rotatable about at least one first axis, respectively, wherein each first magnetic gear has a plurality of first magnetic gear magnetic teeth and adjacent ones of the first magnetic gear magnetic teeth have different polarities; at least one second magnetic gear (120, 121, 122, 123) rotatable about at least one second axis, respectively, wherein each second magnetic gear (120, 121, 122, 123) has a plurality of second magnetic gear magnetic teeth and adjacent ones of the second magnetic gear magnetic teeth have different polarities; wherein: the at least one first magnetic gear, in combination with the at least one second magnetic gear, forms at least one magnetic gear set, respectively; the magnetic rack and the second magnetic gear are capable of magnetically engaging in a non-contact state with different first magnetic gear teeth of the first magnetic gear belonging to the same magnetic gear set via the magnetic rack magnetic teeth and the second magnetic gear teeth, respectively; and when the at least one second magnetic gear (120, 121, 122, 123) is configured to be used as a driving gear to output power, the power is transmitted to the magnetic rack through the at least one first magnetic gear (110, 111, 112, 113) so as to move the magnetic rack along the first direction characterized in that: the first magnetic gear (110, 111, 112, 113) and the second magnetic gear (120, 121, 122, 123) are conical gears; and the magnetic rack is a straight-tooth rack. the at least one first magnetic gear, in combination with the at least one second magnetic gear, forms at least one magnetic gear set, respectively; the magnetic rack and the second magnetic gear are capable of magnetically engaging in a non-contact state with different first magnetic gear teeth of the first magnetic gear belonging to the same magnetic gear set via the magnetic rack magnetic teeth and the second magnetic gear teeth, respectively; and when the at least one second magnetic gear (120, 121, 122, 123) is configured to be used as a driving gear to output power, the power is transmitted to the magnetic rack through the at least one first magnetic gear (110, 111, 112, 113) so as to move the magnetic rack along the first direction characterized in that: the first magnetic gear (110, 111, 112, 113) and the second magnetic gear (120, 121, 122, 123) are conical gears; and the magnetic rack is a straight-tooth rack.