Apparatus for adjusting vehicle body height and generating power

1. An apparatus for adjusting a vehicle body height of a vehicle and generating power, the apparatus comprising:

a rack gear connected to a wheel of the vehicle and configured to be moved in a vertical direction by a vertical movement of the wheel relative to a road surface;

a pinion gear configured to be rotated by movement of the rack gear while engaging with the rack gear;

a one-way bearing connected to the pinion gear and configured to be rotated together with the pinion gear by the rotation of the pinion gear, the one-way bearing being configured to operate to transmit a load when rotating in one direction and not to transmit a load when rotating in an other direction;

an electric generator connected to the one-way bearing and configured to generate electricity by the rotation of the one-way bearing in one direction; and

a capacitor connected to the electric generator and configured to accumulate electricity generated by the electric generator.

2. The apparatus of claim 1 , wherein the vehicle comprises a drive module and a space module configured to be attached to or detached from a rear side of the drive module.

3. The apparatus of claim 2 , wherein the wheel is an auxiliary wheel provided in the drive module, and a height at which the drive module and the space module are fastened to each other is adjusted.

4. The apparatus of claim 1 , wherein the wheel is connected to the rack gear and rotatably supported by a connection member at two opposite surfaces of a rotation center portion of the wheel.

5. The apparatus of claim 4 , wherein:

the rack gear is positioned above a support provided on a vehicle body of the vehicle;

the connection member is positioned below the support; and

a spring is interposed between the support and the connection member.

6. The apparatus of claim 5 , wherein the spring is wound around a support shaft configured to penetrate the support and to connect the rack gear and the connection member.

7. The apparatus of claim 1 , wherein the pinion gear is connected to a height fixing part configured to rotate coaxially with the electric generator and the one-way bearing coaxially connected to the pinion gear, and the pinion gear is connected directly to the electric generator.

8. The apparatus of claim 7 , wherein the one-way bearing and the height fixing part are fixed by a locking pin and are configured to rotate together.

9. The apparatus of claim 1 , wherein:

the pinion is connected directly to the electric generator while engaging with a sliding gear configured to rotate coaxially with the electric generator and move in an axial direction.

10. The apparatus of claim 9 , wherein the sliding gear comprises:

an electric generator rotation gear provided coaxially with the electric generator; and

a coupling part coupled to a pinion gear shaft provided coaxially with the electric generator rotation gear and provided coaxially with the pinion gear by moving in the axial direction.

11. The apparatus of claim 10 , wherein the one-way bearing comprises:

a first one-way bearing rotation gear disposed at one side and configured to rotate while engaging with a pinion rotation gear provided coaxially with the pinion gear shaft; and

a second one-way bearing rotation gear disposed at an other side and configured to rotate while engaging with the electric generator rotation gear.

12. The apparatus of claim 11 , wherein when the sliding gear moves in the axial direction, the pinion rotation gear and the first one-way bearing rotation gear rotate while engaging with each other, and the electric generator rotation gear and the second one-way bearing rotation gear rotate while engaging with each other, the pinion gear rotates and operates to generate power.

13. The apparatus of claim 11 , wherein when the sliding gear moves in the axial direction and the pinion gear shaft and the coupling part are coupled, the pinion rotation gear and the first one-way bearing rotation gear are uncoupled, and the electric generator rotation gear and the second one-way bearing rotation gear are uncoupled, such that a rotational force of the electric generator is transmitted to the pinion gear.

14. The apparatus of claim 3 , wherein a height adjustment groove is formed in the space module and is configured to guide height adjustment when the height adjustment groove is fastened to the drive module.

15. The apparatus of claim 14 , wherein:

a height adjustment part is provided on a support and is configured to complete the height adjustment in conjunction with the height adjustment groove.

16. The apparatus of claim 15 , wherein:

the height adjustment part is configured as an optical sensor;

the height adjustment groove is coated with a light absorption material; and

whether the height adjustment is completed is determined based on a distance between the height adjustment part and the height adjustment groove.

17. The apparatus of claim 16 , wherein the optical sensor is configured as an infrared sensor or a laser sensor.

18. The apparatus of claim 15 , wherein the height adjustment part comprises:

a magnetic member configured to slide; and

a conductive wire positioned around the magnetic member and configured to allow a current to flow therethrough;

wherein a magnet is disposed in the height adjustment groove; and

whether the height adjustment is completed is determined based on whether the magnetic member and the conductive wire come into contact with each other.