JP2014152622A - Power generator utilizing rotation power of earth - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power generator which converts rotation energy of the earth into electric energy.SOLUTION: A power generator 1 utilizing rotation of the earth comprises: a flywheel 2 which is driven by rotation around a flywheel shaft 21; an internal gimbal 3 which is rotatably provided around an internal gimbal shaft 31 perpendicular to the flywheel shaft 21, extending in a horizontal direction and pivotally supports the flywheel shaft 21; an external gimbal 4 which is rotatably provided around an external gimbal shaft 41 extending in a vertical direction and pivotally supports the internal gimbal shaft 31; and a rotation direction conversion mechanism 5 for transmitting rotation torque to be transmitted from rotation of the earth to the external gimbal shaft 41 while alternately converting a rotation direction to right and left. The internal gimbal 3 continuously rotates in a fixed direction by alternately converting the rotation direction of the external gimbal 4 to right and left to drive a power generator 13.

Description

  The present invention relates to a power generation device that converts rotation energy of the earth into electric energy.

  The present inventor has been working on a power generation device that takes out the rotation difference between the earth's rotation and a rotating body that performs precession as electric energy, and has proposed such a device in Patent Document 1 so far. Since the rotating body that performs precession stops the precession when the rotation axis of the rotating body is parallel to the axis of precession, the apparatus proposed in Patent Document 1 is a rotating body that performs precession. To keep the rotation axis of the rotating body as horizontal as possible by boosting the precession using part of the rotational torque generated by the rotation of the earth. It has.

JP 2010-90754 A

However, the apparatus of Patent Document 1 has a complicated mechanism for maintaining the rotating shaft of the rotating body in a horizontal state, so that there is a problem that power generation efficiency is inevitably reduced due to an increase in friction of each part.
The present invention has been made in view of the above problems, and an object of the present invention is to provide a power generation apparatus that uses the earth's rotational energy that does not require a mechanism for maintaining the rotating shaft of a rotating body horizontally.

  The invention made in order to solve the above-mentioned problem is provided with a flywheel that is driven to rotate about a flywheel axis, and an inner gimbal axis that is perpendicular to the flywheel axis and extends in the horizontal direction, and is rotatable. The internal gimbal that supports the flywheel shaft and the external gimbal shaft that extends in the vertical direction are rotatably provided. The external gimbal that supports the internal gimbal shaft and the rotational torque transmitted from the rotation of the earth A rotation direction conversion mechanism that transmits the rotation direction to the external gimbal shaft while alternately changing the rotation direction, and the rotation direction conversion mechanism rotates the external gimbal at a timing such that the internal gimbal continues to rotate in a constant direction. It is configured to change the direction alternately left and right, the earth that drives the generator by the rotation of the internal gimbal It is a power generation device that utilizes the rolling force.

  In such a configuration, when the flywheel is tilted with respect to the vertical direction (for example, in a horizontal state), the flywheel tends to precess around the external gimbal axis in response to the gravity of the earth. Here, if the rotation torque of the earth is transmitted to the external gimbal and the external gimbal is forcibly rotated to boost or prevent this precession, the reaction of the rotation torque transmitted to the external gimbal causes The flywheel shaft tries to rotate with the internal gimbal shaft. When the flywheel shaft becomes parallel to the external gimbal shaft, this rotation tends to stop in a so-called locked state. In the present invention, in order not to stop the rotation, the internal gimbal shaft is rotated until it exceeds the position where the external gimbal shaft and the flywheel shaft are parallel, and the rotation direction changing mechanism is used before the rotation of the internal gimbal shaft stops. Since the direction of the rotational torque applied to the external gimbal is changed, the internal gimbal can continue to rotate in the same direction. In this way, rather than restraining the flywheel from rotating around the internal gimbal axis and continuing the precession to the flywheel axis, the flywheel is actively rotated around the internal gimbal axis and rotated. Since the generator is driven to generate electric power, a mechanism for suppressing the rotation of the flywheel shaft is not necessary, and friction can be reduced by the mechanism to efficiently generate electric power.

  In the power generation device using the earth's rotation force according to the present invention, the rotation direction conversion mechanism converts the transmission direction of the rotation torque transmitted from the rotation of the earth alternately to the left and right by the rotation of the internal gimbal shaft, and the external gimbal. It is preferable to transmit to the shaft. By doing so, the direction of the rotational torque applied to the external gimbal shaft can be accurately changed according to the rotational speed of the internal gimbal.

  The power generation device using the earth's rotation force according to the present invention preferably includes a speed increasing mechanism for increasing the rotation speed transmitted from the earth's rotation and transmitting it to the rotation direction changing mechanism. By doing so, the rotational speed of the external gimbal can be increased, and consequently the rotational speed of the internal gimbal can be increased, so that the power generation efficiency can be increased.

  The rotational speed conversion mechanism preferably includes a torque limiter that limits rotational torque transmitted to the external gimbal shaft. By doing so, when the rotational torque transmitted between the external gimbal shaft and the rotational direction conversion mechanism is excessive, it is possible to release the excessive torque and suppress the damage of the peripheral members.

The power generation device using the rotational force of the earth of the present invention is fixed to the earth and supports an outer frame that supports one end side of the upper and lower ends of the external gimbal shaft, and the upper and lower ends of the outer gimbal shaft. The other-side rotation bearing portion pivotally supported by the outer frame so as to be rotatable relative to the outer frame while pivotally supporting the other end side portion, and the other-side rotation bearing portion coaxially with the outer cymbal shaft A rotation direction conversion mechanism drive gear that is pivotally supported by the earth and receives the rotation of the earth to drive the rotation direction conversion mechanism,
The rotation direction conversion mechanism includes a left rotation transmission unit and a right rotation transmission unit, and the right rotation transmission unit is a right rotation supported by the other-side rotation bearing unit at a centric position with respect to the external gimbal shaft. Shaft, right rotation gear that transmits the rotation to the right rotation shaft while converting the left rotation of the rotation direction conversion mechanism drive gear to the right rotation, and the right to rotate the external gimbal shaft to the left by receiving the right rotation of the right rotation shaft The left rotation transmission portion includes a left rotation shaft that is pivotally supported by the other-side rotation bearing portion at a centric position with respect to the external gimbal shaft, and a left rotation of the rotation direction conversion mechanism drive gear. A left turn gear that transmits to the left turn shaft, and a left turn drive gear that receives the left turn of the left turn shaft and rotates the external gimbal shaft to the right, and the right turn gear and the left turn gear include the Rotation direction conversion mechanism Drive gear rotation in the same direction as the earth In response to the rotation direction conversion mechanism drive gear receiving and trying to rotate in the same direction as the earth in a planetary manner, the other side rotation bearing portion is caused to rotate in the same direction as the earth. It is preferable that a rotation prevention mechanism for preventing rotation of the other-side rotation bearing portion by rotating the other-side rotation bearing portion in a direction opposite to the earth in conjunction with rotation of the gimbal shaft is provided. Providing the anti-rotation mechanism in this way to prevent the rotation of the other-side rotating bearing portion allows the earth's rotation to be transmitted to the external gimbal more efficiently, thereby making the earth's rotation more efficient. It can be used frequently for power generation.

  Here, the right and left rotations of the respective parts represent not only the viewpoint that rotates with the earth on the earth, but the case of viewing from a viewpoint from a fixed point in outer space independent of the earth. Also, “in the same direction as the earth” means counterclockwise when the device is in the northern hemisphere, clockwise when the device is on the southern hemisphere side, and “in the opposite direction to the earth” Is in the northern hemisphere, it indicates clockwise, and if it is on the southern hemisphere, it is counterclockwise.

  As described above, according to the power generation device using the rotation force of the earth of the present invention, the energy extracted from the rotation of the earth can be efficiently converted into electric energy.

In the electric power generating apparatus using the earth's rotation force concerning one embodiment of the present invention, it is a front view sectional view in the state where the internal gimbal axis turned to the horizontal direction. In the electric power generating apparatus using the rotation force of the earth which concerns on one Embodiment of this invention, it is front view sectional drawing of the state in which the internal gimbal axis | shaft faced the perpendicular direction. It is explanatory drawing which showed the rotation direction of the right rotation gear of the rotation direction conversion mechanism, the left rotation gear, and the external gimbal shaft. It is explanatory drawing about rotation of an internal gimbal. It is explanatory drawing when an internal gimbal rotates reversely to the case of FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as appropriate. FIG.1 and FIG.2 has shown the electric power generating apparatus 1 using the rotation of the earth which concerns on one embodiment of this invention. The power generation apparatus 1 mainly includes a flywheel 2, an internal gimbal 3, an external gimbal 4, a rotation direction conversion mechanism 5, and a generator 13, and a follow-up prevention mechanism 6, a speed increase mechanism 7, and an outer frame 8. And a lower rotation bearing portion (other side rotation bearing portion) 9. In the following embodiment, it is assumed that the power generation device 1 is installed in the northern hemisphere.

  As shown in FIG. 1, the flywheel 2 has a disk shape and is provided so as to be rotatable around the flywheel shaft 21. The flywheel shaft 21 is pivotally supported by the internal gimbal 3 and is configured to be rotationally driven by a flywheel drive motor 11 provided on the internal gimbal 3. The flywheel drive motor 11 is driven using a part of the electric power generated by the generator 13.

  As shown in FIG. 2, the internal gimbal 3 has a flat rectangular frame shape, and is provided to be rotatable around an internal gimbal shaft 31 extending horizontally from the center of a pair of opposite sides (left and right sides in FIG. 2). ing. The internal gimbal shaft 31 is pivotally supported by the external gimbal 4 and is provided so as to extend in a direction perpendicular to the flywheel shaft 21. When the internal gimbal shaft 31 rotates, the flywheel shaft 21 is the axis of the internal gimbal shaft 31. It is provided to rotate around a propeller. The generator 13 is connected to the internal gimbal shaft 31 via the speed increaser 12, and the rotation of the internal gimbal shaft 31 is converted into electric energy.

  The external gimbal 4 has a rectangular frame shape as shown in FIGS. 1 and 2, and supports the internal gimbal shaft 31 with a pair of opposite sides (the opposite sides on the left and right in FIGS. 1 and 2). It is provided so as to be rotatable about an external gimbal shaft 41 extending vertically from opposite sides (a pair of upper and lower sides in FIG. 1) 4a and 4b. The external gimbal shaft 41 includes an upper shaft (one end side portion in the claims) 41a extending upward from the upper side 4a of the external gimbal 4, and a lower shaft (downward in the claims) extending from the lower side 4b of the external gimbal 4. Other end side portion) 41b. The upper shaft 41a is pivotally supported by the upper side 8a of the outer frame 8, and the lower shaft 41b is pivotally supported by the lower rotational bearing portion 9 provided so as to be rotatable relative to the outer frame 8 around the vertical axis. ing. As shown in FIG. 1, the lower shaft 41 b is provided with a spline on the outer periphery, and a sliding gear 53 of the rotation direction conversion mechanism 5 described later is provided around the lower shaft 41 b.

  The rotation direction changing mechanism 5 is transmitted from the speed increasing mechanism 7 and a left rotation transmitting portion 51 that transmits the left rotation transmitted from the speed increasing mechanism 7 described later (plan view) to the sliding gear 53 while being left rotated. A right rotation transmission portion 52 that transmits the rotation to the sliding gear 53 with the rotation turned to the right (in plan view), and the speed increasing mechanism 7 and the external gimbal shaft 41 connected to the lower shaft 41b of the external gimbal shaft 41. The sliding gear 53 that alternately converts the left rotation transmission portion 51 and the right rotation transmission portion 52, the switching cam 54 that is externally fitted to the internal gimbal shaft 31, and the reciprocating motion up and down in conjunction with the switching cam 54 A slide rod 55 is provided, and a switching lever 56 that transmits the reciprocating motion of the slide rod 55 to the slide gear 53 is provided.

  The left rotation transmission unit 51 receives the left rotation of the earth rotation transmitted from the left rotation transmission unit drive gear (rotation direction conversion mechanism drive gear) 72e of the speed increasing mechanism 7 by the right rotation gear 51a as a right rotation, A right rotation is transmitted to the sliding gear 53 from the right rotation drive gear 51c via the shaft 51b as a left rotation.

  The right rotation transmission unit 52 receives the left rotation of the earth rotation transmitted from the right rotation transmission unit drive gear (rotation direction conversion mechanism drive gear) 72d of the speed increasing mechanism 7 by the reversing gear 52d as a right rotation, and receives this. The left rotation gear 52a is transmitted to the left rotation gear 52a, and the left rotation drive gear 52c is rotated to the sliding gear 53 via the left rotation shaft 52b.

The switching cam 54 connects the right-turn drive gear 51c or the left-turn drive gear 52c and the sliding gear 53 immediately before the flywheel shaft 21 and the external gimbal shaft 41 become parallel (for example, from the state of FIG. 1). 1 and after the flywheel 2 and the internal gimbal 3 slightly exceed the position where the flywheel shaft 21 and the external gimbal shaft 41 are parallel to each other (for example, approximately 100 from the state of FIG. 1). When the flywheel 2 and the internal gimbal 3 continue to rotate around the internal gimbal shaft 31 as they are, the right rotation drive gear 51c or the left rotation drive gear 52c is again released. And the sliding gear 53 are connected to each other.
Here, in order to stabilize the rotational speed of the internal gimbal shaft 31, the left and right rotational speeds of the external gimbal shaft 41 are preferably the same. For this reason, the gears of the left rotation transmission portion drive gear 72e and the right rotation gear 51b are used. The ratio and the gear ratio between the right rotation transmission unit drive gear 72d and the left rotation gear 52b may be set to different values.

  The right-turn drive gear 51c and the left-turn drive gear 52c are provided with torque limiters 51e and 52e for dissipating excessive torque exchanged with the sliding gear 53, respectively.

  The speed increasing mechanism 7 is fixed to an outer frame 8 fixed with respect to the earth, and includes a left rotation main shaft 71 that rotates with the rotation of the earth, and three planetary gears 72 a that increase the rotation of the left rotation main shaft 71. 72b, 72c, a right rotation transmission part drive gear 72d, and a left rotation transmission part drive gear 72e. Since the planetary gear has a known structure, description of the structure is omitted.

  As shown in FIGS. 1 and 2, the lower rotation bearing portion 9 has a cylindrical case shape with two different upper and lower diameters, and a lower portion of the external gimbal shaft 41 at the lid portion 9 a of the upper cylindrical portion. The shaft 41 b, the right rotation shaft 51 b of the left rotation transmission portion 51, and the left rotation shaft 52 b of the right rotation transmission portion 52 are pivotally supported, and the lower rotation bearing portion 9 rotates around the lower fixed bearing portion 10. It is pivotally supported. A right rotation transmission unit drive gear 72d, a left rotation transmission unit drive gear 72e, a right rotation gear 51a, a left rotation gear 52a, and a reverse gear 52d are accommodated in the upper cylinder 9b of the lower rotation bearing unit 9. The speed increasing mechanism 7 is accommodated in the lower cylinder 9c.

  As shown in FIGS. 1 and 2, the anti-rotation mechanism 6 includes a pulley 6 a that is externally fitted to the internal gimbal shaft 31, and a rotation of the pulley 6 a through the belt 6 b, the pulley 6 c, and the worm gear 6 d. The rotation of the shaft 31 is converted into the rotation about the vertical axis and transmitted to the follower-preventing gear 6e, and the follower-preventing gear 6e is provided on the outer periphery of the lid portion 9a of the lower rotating bearing portion 9. By engaging with the portion side gear 9d, the rotation of the lower rotation bearing portion 9 (rotation in the direction opposite to the direction of the arrow indicated by a two-dot chain line in FIG. 3) is suppressed. Further, here, the anti-rotation gear 6e and the bearing portion side gear are rotated so that the lower rotation bearing portion 9 is rotated in the opposite direction to the earth rotation (the direction of the arrow indicated by the two-dot chain line shown in FIG. 3). The speed increasing effect of the right rotation transmission unit 52 and the left rotation transmission unit 51 may be obtained by setting the gear ratio with 9a and the rotation speed of the accompanying rotation preventing gear 6e.

Next, a mechanism in which power generation is performed by the power generation device 1 will be described.
First, the flywheel 2 is rotationally driven by the flywheel drive motor 11 in the direction shown in FIG. In this state, when the rotation of the earth is transmitted to the outer frame 8 (when the outer frame 8 rotates together with the rotation of the earth), the rotation of the outer frame 8 starts from the left rotation main shaft 71 of the speed increasing mechanism 7 from the three-stage planetary gears. After being transmitted to the speed increasing gears 72a, 72b, 72c, the speed is increased, and then transmitted from the left rotation transmission unit drive gear 72e to the right rotation gear 51a of the left rotation transmission unit 51. The right rotation gear 51a receives the left rotation (in plan view) of the left rotation transmission unit drive gear 72e as a right rotation, and transmits the rotation to the sliding gear 53 via the right rotation shaft 51b and the right rotation drive gear 51c. The sliding gear 53 receives the right rotation of the right rotation driving gear 51c as a left rotation and rotates the external gimbal 4 to the left.

  When the external gimbal 4 starts to rotate counterclockwise, the flywheel 2 rotates around the internal gimbal shaft 31 together with the internal gimbal 3 in the direction of the arrow shown in FIG. Here, if the external gimbal 4 is continuously rotated to the left as it is, the flywheel is in a so-called locked state and stops in a state where the flywheel axis and the external gimbal axis are parallel. However, in the power generator 1, the flywheel 2 and the internal gimbal 3 rotate slightly over 90 degrees from the position of FIG. 4A due to inertia, and before the flywheel 2 and the internal gimbal 3 stop. When the rotation direction of the external gimbal 4 is switched, the flywheel 2 and the internal gimbal 3 continue to rotate as they are.

  That is, when the flywheel 2 and the internal gimbal shaft 3 are rotated 90 degrees from the state of FIG. 4A, the switching provided on the internal gimbal shaft 31 is slightly ahead (for example, when it is rotated about 80 degrees). The sliding rod 55 is slid upward by the cam 54 and the switching lever 56 pushes down the sliding gear 53. When the sliding gear 53 is pushed down, the sliding gear 53 disengages from the right-turn drive gear 51c, and the flywheel 2 and the internal gimbal 3 exceed 90 degrees from the state shown in FIG. Rotate (for example, up to about 100 degrees). Then, before the flywheel 2 and the internal gimbal 3 lose their rotational momentum, they mesh with the left-turn drive gear 52c. Then, the left rotation transmitted from the right rotation transmission unit drive gear 72d to the left rotation drive gear 52c via the reverse gear 52d and the left rotation shaft 52b is transmitted to the sliding gear 53 as a right rotation, and the external gimbal 4 is rotated to the right. Let Thus, when the rotation direction of the external gimbal 4 is changed from the left rotation to the right rotation, the flywheel 2 and the internal gimbal 3 are the same as the rotations of FIGS. 4 (a) to 4 (c) as shown in FIG. 4 (d). Rotate in the direction.

  Thereafter, when the flywheel 2 and the internal gimbal 3 are further rotated by 180 degrees from the state shown in FIG. 4C, the flywheel shaft 21 is again parallel to the external gimbal shaft 41 as shown in FIG. The flywheel 2 and the internal gimbal 3 try to stop rotating. Here, the flywheel 2 and the internal gimbal 3 operate the switching cam 54, the sliding rod 55, and the switching lever 56 at the same timing as the sliding of the sliding gear 53, and the sliding gear 53 is moved upward. It slides and separates from the left-turn drive gear 52c and is connected to the right-turn slide gear 51c to rotate the external gimbal to the left. Then, as shown in FIG. 4 (h), the flywheel 2 and the internal gimbal 3 continue to rotate in the same direction as that shown in FIGS. 4 (a) to 4 (g).

  In the same manner, the flywheel 2 and the internal gimbal 3 are continuously rotated in the same direction by repeatedly reversing the rotation direction of the external gimbal 4, and power is generated by the generator 13 connected to the internal gimbal shaft 31. When the torque between the right-turn drive gear 51c or the left-turn drive gear 52c and the sliding gear 53 becomes excessive, excessive torque is dissipated by the torque limiters 51e and 52e.

  When the right rotation transmission unit drive gear 72d or the left rotation transmission unit drive gear 72e attempts to drive the right rotation gear 51a or the reverse gear 52d, the lower rotation bearing unit 9 is indicated by the two-dot chain arrow in FIG. As described above, the same rotation (in plan view) as the right rotation transmission unit drive gear 72d or the left rotation transmission unit drive gear 72e is to be rotated. When the lower rotation bearing portion 9 rotates counterclockwise, torque is not transmitted from the right-turn drive gear 51c and the left-turn drive gear 52c to the sliding gear 53, and this needs to be prevented. In the power generation device 1, the rotation of the internal gimbal shaft 31 is transmitted to the anti-rotation gear 6e via the pulley 6a, the belt 6b, the pulley 6c, and the worm gear 6d, and the anti-rotation gear 6e rotates counterclockwise to the bearing side. A clockwise torque is applied to the lower rotating bearing portion 9 via the gear 9d, and the accompanying rotation of the lower rotating bearing portion 9 is prevented. Furthermore, not only the left rotation of the lower rotation bearing portion 9 is suppressed, but also the gear ratio inside the follower mechanism is set so that the lower rotation bearing portion 9 is rotated to the right opposite to the earth rotation. In this case, the speed increasing effect of the left rotation transmission unit 51 and the right rotation transmission unit 52 can be obtained.

  As shown in FIG. 5, when the external gimbal 4 starts from the right rotation while the flywheel 2 is rotated in the same direction as FIG. The gimbal 3 rotates in the direction opposite to that in FIG. Then, the accompanying rotation preventing gear 6e of the accompanying rotation preventing mechanism rotates to the right in a plan view, so that the accompanying rotation of the lower rotation bearing portion 9 cannot be suppressed. Therefore, in the power generator 1 shown in FIG. 1, the external gimbal 4 needs to start from the left rotation first.

  A part of the electric power obtained by the generator 13 is used to drive the flywheel drive motor 11.

  The power generation device using the rotation of the earth according to the present invention is not limited to the above-described embodiment. For example, one rotation direction conversion mechanism drive gear is provided, and the left rotation transmission mechanism and the right rotation transmission are transmitted by this one gear. You may make it drive both mechanisms. The speed increaser is not limited to the planetary gear, and a known speed increaser can be used as appropriate. The rotation direction conversion mechanism is not limited to the one that changes the rotation direction in conjunction with the internal gimbal shaft. For example, the sliding gear is moved up and down by electronic control while sensing the position where the external cymbal is reversed by a contact switch or camera. Alternatively, the sliding gear may be moved up and down as appropriate using other known methods. Further, if the anti-rotation gear is configured to rotate reversely with the lower rotation bearing, the external gimbal may be started from either the left or right rotation.

1 Power Generator 2 Flywheel 21 Flywheel Shaft 3 Internal Gimbal 31 Internal Gimbal Shaft 4 External Gimbal 41 External Gimbal Shaft 41a Upper Shaft (One End Side)
41b Lower shaft (other end side)
5 Rotation direction conversion mechanism 51 Left rotation transmission unit 51a Right rotation shaft 51b Right rotation gear 51c Right rotation transmission gear 51e Torque limiter 52 Right rotation transmission unit 52a Left rotation shaft 52b Left rotation gear 52c Left rotation transmission gear 52e Torque limiter 6 Prevention mechanism 7 Speed increasing mechanism 72d Left rotation transmission part drive gear (rotation direction conversion mechanism drive gear)
72e Right rotation transmission part drive gear (rotation direction conversion mechanism drive gear)
8 Outer frame 9 Lower rotation bearing part (other side rotation bearing part)
13 Generator

Claims (5)

A flywheel driven to rotate about the flywheel axis;
An internal gimbal that is provided so as to be rotatable about an internal gimbal shaft that extends perpendicularly to the flywheel shaft and extends in the horizontal direction; and an internal gimbal that supports the flywheel shaft;
An external gimbal provided to be rotatable about an external gimbal shaft extending in a vertical direction, and supporting the internal gimbal shaft;
A rotational direction conversion mechanism that transmits rotational torque transmitted from the rotation of the earth to the external gimbal shaft while alternately converting the rotational direction to the left and right;
With
The rotation direction conversion mechanism is configured to alternately change the rotation direction of the external gimbal at a timing such that the internal gimbal continuously rotates in a certain direction,
A power generator that uses the earth's rotational force to drive a generator by rotation of the internal gimbal.   2. The rotation force of the earth according to claim 1, wherein the rotation direction conversion mechanism converts the transmission direction of the rotation torque transmitted from the rotation of the earth alternately to the left and right by the rotation of the internal gimbal shaft and transmits the rotation direction to the external gimbal shaft. Power generation device that uses   The power generator using the earth's rotation force according to claim 1 or 2, further comprising a speed increasing mechanism for increasing a rotation speed transmitted from the earth's rotation and transmitting the rotation speed to the rotation direction changing mechanism.   The power generation apparatus using the earth's rotational force according to any one of claims 1 to 3, wherein the rotational speed conversion mechanism includes a torque limiter that limits rotational torque transmitted to the external gimbal shaft. An outer frame fixed to the earth and pivotally supporting either one of the upper and lower ends of the external gimbal shaft;
The other side rotation bearing part pivotally supported by the outer frame so as to be rotatable relative to the outer frame while pivotally supporting the other end side portions of the upper and lower ends of the external gimbal shaft,
A rotation direction conversion mechanism drive gear which is supported by the other side rotation bearing portion on the same axis as the external cymbal shaft and receives the rotation of the earth to drive the rotation direction conversion mechanism;
The rotation direction conversion mechanism has a left rotation transmission unit and a right rotation transmission unit,
The right rotation transmission portion is a right rotation shaft that is pivotally supported by the other-side rotation bearing portion at a centric position with respect to the external gimbal shaft, and converts the left rotation of the rotation direction conversion mechanism drive gear into a right rotation A right-turn gear that transmits to the right-turn shaft, and a right-turn drive gear that receives the right rotation of the right-turn shaft and rotates the external gimbal shaft to the left.
The left rotation transmission portion receives a left rotation shaft pivotally supported by the other side rotation bearing portion at a centric position with respect to the external gimbal shaft, and a left rotation of the rotation direction conversion mechanism drive gear to the left rotation shaft. A left-turn gear that transmits, and a left-turn drive gear that receives the left rotation of the left-turn shaft and rotates the external gimbal shaft to the right.
The right-turn gear and the left-turn gear are rotated in the same direction as the earth of the rotation direction conversion mechanism drive gear and try to rotate around the rotation direction conversion mechanism drive gear in the same direction as the earth. By rotating the other side rotary bearing portion in the opposite direction to the earth in conjunction with the rotation of the internal gimbal shaft, the other side rotary bearing portion is about to rotate in the same direction as the earth. The power generator using the rotation force of the earth according to any one of claims 1 to 4, further comprising a rotation prevention mechanism for preventing rotation of the other-side rotation bearing portion.

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