JP2004251247A - Power device utilizing wind - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power device utilizing wind, having a simple structure, and little failure. <P>SOLUTION: This power device has a vertical rotary shaft 12 arranged vertically and with at least one side rotatably supported, bearings 13 to 15 attached by crossing the vertical rotary shaft 12 at a right angle, integral type horizontal shafts 16 to 18 provided with protruding shafts 38, 39 supported by the bearings 13 to 15 so as to rotate substantially at 90 degrees and extending to both sides by using the vertical rotary shaft 12 at the center, and first and second blade members 19 to 24 fixed by changing a mounting phase by substantially 90 degrees on both sides of the horizontal shafts 16 to 18 and alternately changed in accordance with the rotation of the vertical rotary shaft 12 between a vertical condition of receiving maximum wind resistance and a horizontal condition of receiving minimum wind resistance. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a power device that uses a wind to obtain rotational power by using a wind, for example, to generate electric power.
[0002]
[Prior art]
2. Description of the Related Art As conventional wind power devices having left and right blade members that directly receive wind, for example, those described in Patent Literature 1 and Patent Literature 2 are known.
[0003]
[Patent Document 1]
JP-A-3-202679 (FIGS. 1 and 7)
[Patent Document 2]
JP-A-2002-21706 (FIGS. 1 and 2)
[0004]
[Problems to be solved by the invention]
However, those described in Patent Literature 1 and Patent Literature 2 use a mechanical mechanism to rotate the left and right blade members, and the mechanism is complicated, resulting in an increase in cost of the entire apparatus. There's a problem.
In particular, in the open / close wind power rotation mechanism described in Patent Document 2, in addition to a mechanism for rotating a horizontal axis for fixing a blade member receiving wind, a direction wing for detecting a wind direction is required, and the configuration is more complicated. There was a problem that.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a power device that utilizes a wind that has a simple structure and has few failures.
[0005]
[Means for Solving the Problems]
A power device using wind according to the first invention that meets the above object is provided with a vertical rotation axis vertically disposed and rotatably supported on at least one of the vertical rotation axes (accordingly, one of the upper and lower sides of the vertical rotation axis (They may freely rotate, or freely rotate above and below the vertical rotation axis).
A bearing portion mounted at right angles to the vertical rotation shaft,
An integral horizontal shaft having a protruding shaft portion substantially rotatably supported by the bearing portion and extending on both sides around the vertical rotation axis,
The vertical rotation axis moves between a vertical state in which the wind resistance is maximized and fixed by changing the phase substantially 90 degrees on both sides of the horizontal axis and a wind resistance is minimized. And first and second blade members that alternate with each other according to the rotation of.
Thereby, when the first blade member of one protruding shaft portion of the horizontal shaft becomes vertical, the second blade member provided on the other protruding shaft portion is horizontal. Thus, the angle of the first and second blade members automatically changes according to the angular position of the vertical rotation axis, so that a complicated horizontal axis rotation mechanism is not required.
[0006]
Further, in the power device using wind according to the second invention, in the power device using wind according to the first invention, the regulation of the horizontal axis by 90 degrees is provided on each of the left and right sides of the horizontal axis. First and second contact members, and first and second receiving members provided on left and right sides of the bearing portion and capable of contacting the first and second contact members, respectively. It is configured. Thereby, the rotation angle of the horizontal axis can be reliably ensured.
[0007]
A power plant utilizing wind according to a third invention is the power plant utilizing wind according to the second invention, wherein any one of the first and second abutment members and the first and second receiving members is provided. On one side, a shock absorber is provided. Thereby, the wear of the first and second abutment members and the first and second receiving members can be prevented, and the long life of the entire apparatus can be obtained.
[0008]
A power plant using wind according to a fourth invention is the power plant using wind according to the first invention, wherein the regulation of the horizontal shaft by 90 degrees is provided directly below the projecting shaft portion. The first and second blade members are configured by a stopper member that abuts and stops the rotation thereof, and the base of the stopper member is fixed to the vertical rotation shaft.
Thus, the left and right blade members can be stopped at an appropriate angle, and since each blade member is stopped, less force is required than stopping the horizontal shaft.
[0009]
A power device using wind according to a fifth invention is the power device using wind according to the first to fourth inventions, wherein a plurality of the bearing portions are provided with a gap with respect to the vertical rotation axis. (I.e., in multiple stages, specifically 3 to 20 or more stages), the bearing is provided with the horizontal shaft to which the first and second blade members are fixed, and The protruding shaft portions of the horizontal shafts are radially and evenly arranged around the vertical rotation axis in plan view. As a result, it is possible to obtain power with less variation in rotational torque with respect to the vertical rotation axis.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention.
FIG. 1 is a front view of a power unit using wind according to an embodiment of the present invention, FIG. 2 is a plan view with the same part omitted, FIG. 3 is an enlarged front view of a part P in FIG. 1, and FIG. FIG. 5 is a front view of a power unit using wind according to another embodiment of the present invention.
[0011]
As shown in FIG. 1, a wind-powered power device 10 according to an embodiment of the present invention includes a vertical rotation shaft 12 rotatably mounted vertically on a base 11, and a vertical rotation shaft 12 Bearings 13 to 15 mounted at a right angle to the vertical rotating shaft 12, horizontal shafts 16 to 18 respectively mounted on the bearings 13 to 15, and a horizontal shaft 16. The first and second blade members 19 to 24 are attached to the left and right of each of the components 18 to 18 while changing the phase by 90 degrees. When there is no load and no wind, the inclination of the first and second blade members (wings) 19 to 24 is 45 degrees with respect to the horizontal plane. Hereinafter, these will be described in detail.
[0012]
The base 11 has a frame member 25 that is anchored to a foundation (not shown), and bearings 26 and 27 that bear radial and thrust loads are fixed to the frame member 25, and the vertical rotation shaft 12 is mounted on the bearings 26 and 27. Mounted vertically.
A pulley 28 is provided on a part of the vertical rotation shaft 12, and is connected to a pulley 30 provided on an input shaft of a generator 29 fixed to the frame member 25 by a belt 31. The input shaft of the machine 29 rotates to generate electric power.
[0013]
The vertical rotation shaft 12 is provided with bearing portions 13 to 15 with a gap larger than the height h of each of the first and second blade members 19 to 24. As shown in FIG. 3, the bearing portion 13 (same for 14 and 15) has boss portions 32 and 33 on the left and right sides, and an insertion hole 34 that penetrates the vertical rotation shaft 12 is provided inside. The bush 35, 36 which is an example of a bearing is provided on both sides of the bearing. The horizontal shaft 16 (17, 18 is also the same) penetrating the insertion hole 34 has a main shaft portion 37 penetrating the central insertion hole 34, and protruding shaft portions 38, 39 provided on both sides thereof. Are fixed by connecting fittings 40 and 41.
[0014]
In this embodiment, flat bushes 42 and 43 that receive a thrust load are provided at both ends of the bearing portion 13 (the same applies to the bearings 14 and 15). Ring hardware 44 and 45 are fixed to 37 to prevent lateral movement of the main shaft 37 and to receive a thrust load generated on the main shaft 37.
The connecting fittings 40 and 41 are provided with internal threads having different diameters from both sides. The external threads formed at one end of the main shaft 37 and the external threads provided at the inner ends of the protruding shafts 38 and 39 are firmly attached to the internal threads. Is screwed into.
[0015]
The bases of the first and second blade members 19 and 20 are fixed to the protruding shaft portions 38 and 39 of the horizontal shaft 16, respectively, but the first and second blade members 19 and 20 are attached to the horizontal shaft 16 respectively. At the center, they are mounted with a 90 degree phase. The first and second blade members 19 and 20 are made of a plastic, wood or metal plate.
Also, first and second metal fittings (one example of a metal member) 46 and 47 are provided on the left and right sides of the horizontal shaft 16 with the bearing 13 as a center. The first and second receiving members (an example of a receiving member) 48 and 49 that can abut against the first and second receiving members 46 and 47, respectively, are provided, and the horizontal shaft 16 rotates substantially only within a range of 90 degrees. It has become.
[0016]
That is, as shown in FIGS. 3 and 4, one of the connection fittings 40 on the horizontal shaft 16 is provided with a first metal fitting 46, and the other connection metal 41 is provided with a second metal fitting 47. Is provided. The metal fittings 46 and 47 have substantially L-shaped plate members 50 and 51, metal bolts 52 and 53 provided at the ends thereof, and locking nuts screwed to the metal bolts 52 and 53. are doing.
On the other hand, the first and second receiving members 48 and 49 provided on both sides of the bearing portion 13 have rectangular plate members 54 and 55 and receiving bolts 56 and 57 screwed thereto, respectively. Bolts 56 and 57 are screwed with locking nuts.
[0017]
In the present embodiment, the first and second metal fittings 46 and 47 and the first and second metal fittings 48 and 49 are provided with respective mounting bolts 52 and 53 and receiving bolts 56 and 57, respectively. , The stop angle of the second blade members 19 and 20 can be finely adjusted. However, this is not always necessary, and the metal fittings and the metal fittings in a fixed state may be used (in this case, the metal fittings and the metal fittings). The receiving member is preferably arranged in the bearing.) Further, a shock absorber can be provided on one of the receiving hardware and the backing hardware. As a result, it is possible to reduce the impact when the receiving metal comes into contact with the metal fitting.
Similarly to the horizontal shaft 16, the bearing portions 14 and 15 of the other horizontal shafts 17 and 18 also have an angle regulating mechanism (see FIGS. Reference). In FIGS. 1 and 2, these angle regulating mechanisms around the bearings of the horizontal shafts 16 to 18 are not shown.
[0018]
As shown in FIG. 2, the horizontal axes 16 to 17 are radially and evenly arranged at a phase of 120 degrees around the vertical rotation axis 12 when viewed in a plan view, and receive the torque generated by the wind more evenly. A smooth rotation of the vertical rotation shaft 12 is obtained. The number of horizontal axes may be one, or two or four or more. However, in the case of a plurality of horizontal axes, a gap is provided in the vertical direction in order to prevent interference between the blade members. Is preferred.
It is preferable to fix the bases of the first and second blade members 19 to 24 to the horizontal shafts 16 to 18. However, it is preferable to fix the intermediate portion of the first and second blade members 19 to 24 to the horizontal shaft. You can also. In this case, it is necessary to eccentrically fix the first and second blade members 19 to 24 to the horizontal shafts 16 to 17. In each of the blade members 19 to 24, the protrusion of one of the blade members around the horizontal shaft 16 is required. It is necessary that the length (= one side blade length) a is longer than the protruding length b of the other blade member. As a result, the wind receiving force is different between the upper and lower blade portions, and applies a rotating power to the horizontal shafts 16 to 18. In this embodiment, a≫b. Actually, a / b is preferably about 10 to 1.5.
[0019]
Therefore, in the power device 10 utilizing the wind configured as described above, when the wind W is received from one side at the blade position as shown in FIG. 2, the first blade members 19, 21, and 23 , And the second blade members 20, 22, 24 rotate in a horizontal state where the wind resistance is minimized. Along with this, the horizontal shafts 18, 17, 16 are sequentially rotated by 90 degrees, the first blade members 23, 21, 19 that have become vertical are sequentially horizontal, and the second blade members 24, 22, 20 are sequentially rotated. The vertical rotation shaft 12 is sequentially rotated vertically.
[0020]
This mechanism will be described in detail with respect to the horizontal shaft 16. As shown in FIG. 3, the first blade member 19 is vertical and the second blade member 20 is horizontal. Is in contact with the second receiving member 49. Then, when the horizontal shaft 16 exceeds the leeward position R in FIG. 2, the wind W comes into contact with the back side of the first blade member 19. It will be horizontal. At this time, the first metal fitting 46 comes into contact with the first metal fitting 48. This rotation is transmitted to the second blade member 20 via the horizontal shaft 16, and the second blade member 20 on the windward side is rotated by 90 degrees to be in the vertical direction and receives the wind W. This operation is similarly performed for the first blade members 21 and 23 and the second blade members 22 and 24 provided on the lower horizontal shafts 17 and 18, and the vertical rotation shaft 12 that is oriented in the vertical direction is used. Rotates smoothly.
The actual rotation speed of the vertical rotation shaft 12 was 10 to 120 rpm, and the swing cycle of the horizontal shafts 16 to 18 was 10 to 120 times / min. However, the present invention is not limited to these numbers. .
[0021]
FIG. 5 illustrates a power plant 59 using wind according to another embodiment of the present invention. In the power unit 10 using wind according to the embodiment, the horizontal shafts 16 to 18 are provided with the rotation restricting mechanisms for stopping the rotation of the first and second blade members 19 to 24 at a predetermined angle. As shown in FIG. 5, stopper bars 60 to 65 as an example of a stopper member are fixed to the vertical rotation shaft 12 at positions within the height h of the blade members 19 to 24 immediately below the horizontal shafts 16 to 18. And an angle regulating mechanism for supporting the back of each of the blade members 19 to 24 oriented vertically.
As a result, the stopper rods 60 to 65 receive the intermediate portion or the front end of each of the blade members 19 to 24, so that the support of each of the blade members 19 to 24 is supported at both ends or close to this, and each of the blade members 19 to 24 is supported. Can be reduced in member strength.
[0022]
The present invention is not limited to the above-described embodiment, and can be changed without departing from the spirit of the present invention. For example, in the above-described embodiment, each blade member is rectangular. However, for example, a semicircle, a triangle, and other shapes are also included in the scope of the present invention.
Further, in the above embodiment, the rotational power is used as electric power, but may be a pump, a water wheel, or the like.
Further, in the above-described embodiment, a bush is used for the rotating portion of the horizontal shafts 16 to 18, but it is more preferable to use a bearing.
[0023]
【The invention's effect】
The wind-powered power unit according to any one of claims 1 to 5, wherein the vertical rotating shaft arranged vertically, a bearing mounted at a right angle to the vertical rotating shaft, and substantially 90 degrees can be rotated by the bearing. And a horizontal axis with protruding shafts that extend on both sides with the vertical axis of rotation in the center, and are mounted on both sides of the horizontal axis substantially at 90 degrees and fixed in different phases to maximize wind resistance The first and second blade members alternately change between a vertical state subjected to the limit and a horizontal state where the wind resistance is minimized according to the rotation of the vertical rotation axis. The angle of each blade member is automatically set to the optimum angle.
This eliminates the need for a conventional blade member angle control device having a complicated mechanism, simplifies the entire device, reduces the overall manufacturing cost, and reduces the number of failures.
[0024]
In the power device utilizing wind according to claim 2, the 90-degree rotation of the horizontal axis is restricted by the first and second abutment members provided on the left and right sides of the horizontal axis and the left and right sides of the bearing portion, respectively. Since it is provided and provided with the first and second receiving members that can abut on the first and second abutment members, respectively, it is possible to reliably maintain the angle of each blade member at the optimum angle. it can.
[0025]
In the power device using wind according to claim 3, when one of the first and second abutment members or the first and second receiving members is provided with a shock absorber, the shock absorber is provided at the time of abutment. And a power device utilizing wind that can reduce the impact of the wind and obtain a long life.
[0026]
In the power device using wind according to claim 4, the 90-degree rotation of the horizontal shaft is regulated by stopper members provided immediately below the protruding shaft portions and in which the blade members abut and stop the rotation, Moreover, since the base of the stopper member is fixed to the vertical rotation shaft, the strength of each blade member can be reduced, and a power unit that uses a lighter and larger wind can be provided.
[0027]
In the wind-powered power plant according to claim 5, the bearing portion is provided with a gap with respect to the vertical rotation axis, and the first and second blade members are fixed to each bearing portion. The horizontal shafts are provided, and the protruding shaft portions of each horizontal shaft are radially and evenly arranged around the vertical rotation axis in plan view, so that a smooth rotational force can be obtained.
[Brief description of the drawings]
FIG. 1 is a front view of a power plant using wind according to an embodiment of the present invention.
FIG. 2 is a plan view with the same part omitted.
FIG. 3 is an enlarged front view of a portion P in FIG. 1;
FIG. 4 is an enlarged side view of a portion P in FIG. 1;
FIG. 5 is a front view of a power plant using wind according to another embodiment of the present invention.
[Explanation of symbols]
10: Power device using wind, 11: Base, 12: Vertical rotating shaft, 13 to 15: Bearing portion, 16 to 18: Horizontal shaft, 19, 21, 23: First blade member, 20, 22, 24: second blade member, 25: frame member, 26, 27: bearing, 28: pulley, 29: generator, 30: pulley, 31: belt, 32, 33: boss, 34: insertion hole, 35, 36: bush, 37: main shaft portion, 38, 39: projecting shaft portion, 40, 41: connecting bracket, 42, 43: flat bush, 44, 45: ring metal, 46: first metal fitting, 47: second metal , 48: first receiving material, 49: second receiving material, 50, 51: plate material, 52, 53: applying bolt, 54, 55: plate material, 56, 57: receiving bolt, 59: wind Power unit used, 60-65: stopper rod

Claims (5)

A vertical rotation axis arranged vertically and at least one of which is freely rotatable;
A bearing portion mounted at right angles to the vertical rotation shaft,
An integral horizontal shaft having a protruding shaft portion substantially rotatably supported by the bearing portion and extending on both sides around the vertical rotation axis,
The vertical rotation axis moves between a vertical state in which the wind resistance is maximally fixed and fixed at 90 degrees on both sides of the horizontal axis and the wind resistance is minimized. A power device using wind, comprising: first and second blade members that alternate with each other according to the rotation of the wind turbine. The wind power device according to claim 1, wherein the 90-degree rotation of the horizontal axis is restricted by first and second abutment members provided on left and right sides of the horizontal axis, and right and left sides of the bearing portion. A power device utilizing wind characterized by comprising first and second receiving members provided respectively and capable of contacting the first and second contact members, respectively. 3. The power plant using wind according to claim 2, wherein one of the first and second abutment members and the first and second receiving members is provided with a shock absorber. A power unit that uses wind. The power device using wind according to claim 1, wherein the rotation of the horizontal shaft is restricted by 90 degrees, and the first and second blade members are provided directly below the protruding shaft portion to rotate the horizontal shaft. A wind-powered power device comprising a stopper member that stops, and a base of the stopper member is fixed to the vertical rotation shaft. The power unit using wind according to any one of claims 1 to 4, wherein a plurality of the bearing units are provided with a gap with respect to the vertical rotation axis, and the bearing unit includes a plurality of the bearing units. 1. The horizontal shafts to which the second blade members are fixed are provided, and the protruding shaft portions of the horizontal shafts are radially and evenly arranged around the vertical rotation axis in plan view. A power device using wind, characterized by

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