JP6573234B2 - Small power generator for waterways - Google Patents

Description

  The present invention relates to a power generation device that is arranged along the flow of a river and generates power with the rotational force obtained by using the water flow, and can be installed in an artificially arranged waterway so that it can be transported. The present invention relates to a small power generator for waterways.

Various devices have been proposed in the past for generating electric power using the river flow.
For example, in the utility model registration No. 3143189, it is possible to stably use it by arranging it in natural large and small rivers without harming the nature, and it is possible to operate regardless of fluctuations in the water level. For the purpose, a rotating shaft arranged along the flow of the river, a plurality of spiral blade members fixed to the outer periphery of the rotating shaft, and the rotating shaft and the spiral blade member are arranged at two or more places before and after the rotating shaft. A cylindrical member that is externally supported while being rotatably supported through a bearing at a site, the cylindrical member having a tapered inlet that expands upstream at an upstream end thereof, and an upstream of the tapered inlet A tapered strainer extending from the side end further upstream, and a rotary type power generator, in order to receive the rotational force of the rotary shaft, directly or indirectly via the rotation transmission means A combined power generator, Configuration were small hydroelectric generator is disclosed.

  Further, in JP 2014-43831 A, a central hole of an aggregate formed by radially extending arm pieces from an equal position at a uniform position along the axial direction of the rotation shaft is fitted and fixed, A water wheel in which a strip having a soft member on the outer edge is sequentially spirally provided on the distal end side of each arm piece of the aggregate, and a base including a saddle-like path on which the soft member of the water wheel slides. And a hydroelectric power generation facility configured to efficiently perform power generation by rotating a water turbine without waste by a water flow passing through a saddle-shaped path. .

Utility Model Registration No. 3143189 JP 2014-43831 A

  The present invention is intended for a general-purpose power generation device using the above-described conventional rivers, and is a waterway specialized in contributing to small-scale power generation that can be used for emergency use, is easy to transport, is excellent in silencing To provide a small power generator.

The invention according to claim 1 relating to the small-sized power generation device for a waterway of the present application is a multi-strand spiral blade wound in a state in which a plurality of spiral blades for one lead are arranged at an equal angle on a rotating shaft, a bearing portion, and a bowl shape It consists of a frame with a path and a generator mounted on the frame, and a single flange at the middle of the tip and base of each spiral blade is connected upstream in the axial direction of the rotating shaft. And the rotation axis of the multi-spindle spiral blade is supported by the bearing portion, and is configured to rotate in a non-contact manner in the saddle-shaped path, and the spiral blade is made of FRP. And that the rotating shaft and the generator are connected to each other.

  In the present invention, since a plurality of spiral blades for one lead are wound in a state where they are arranged on the rotation shaft at an equal angle, the length in the upstream and downstream directions can be shortened, and Efficient rotational force can be obtained, and the compact structure can be obtained.

In addition, a flange is continuously provided on the tip of each spiral blade in the axial direction of the rotating shaft to the upstream side, and is configured to rotate in a non-contact manner in the saddle-shaped path. Can be used efficiently, and the sound-deadening effect can be obtained by preventing the scattering of water by the blades.
And since the spiral blade is made of FRP, it has an effect of reducing the weight.

Furthermore, a more efficient rotational force and a silencing effect can be obtained by projecting a single flange in the axial direction of the rotating shaft to the upstream side at the intermediate portion between the base and tip of each spiral blade. It can be used for emergency use, is easy to transport, excels in noise reduction, and is a small power generator for waterways specialized in contributing to small-scale power generation.

It is a fragmentary sectional view showing the small power generator for waterways of the present invention. It is the left view of FIG. 1 which looked at the small power generator for waterways of this invention from the upstream. FIG. 2 is a partial cross-sectional view of the multi-strand spiral blade in a partial cross-sectional view in FIG. 1. It is a fragmentary sectional view showing other embodiments of a spiral blade. FIG. 5 is a partial cross-sectional view of the multi-thread spiral blade in a partial cross-sectional view in FIG. 4.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a partial cross-sectional view showing a small power generator for a waterway according to the present invention.
The invention relating to the small-sized power generating device 1 for a waterway of the present application is composed of a multi-threaded spiral blade 2, a frame 5 having a bearing portion 3 and a bowl-shaped member 4, and a generator 6 mounted on the frame 5. Has been.
By installing this device in a waterway near an emergency or temporarily necessary place, the multi-spiral spiral blade 2 is rotated by running water in the waterway, and this rotation is transmitted to the generator 6 to generate power. To get electricity.

The multi-row spiral blade 2 is wound in a state where four spiral blades 21 are arranged on the rotary shaft 24 at an equal angle in the drawing, and each spiral blade 21 has a spiral shape with a length of one lead, An inner edge that abuts against the rotating shaft 24 is formed and attached by attaching means such as a screw.
Actually, each spiral blade 21 is formed slightly longer than one lead.
Further, a flange 22 is formed at the tip of each spiral blade 21 so as to protrude upstream in the axial direction of the rotation shaft .

The spiral blade 2 is reduced in length by one lead to facilitate storage and emergency transportation, and a plurality of identical spiral blades 21 are arranged on the rotary shaft 24 at an equal angle so that the multi-row spiral blade 2 Therefore, the blades are arranged between the leads, and a synergistic rotational force of the plurality of spiral blades 21 can be obtained even at a short distance, so that running water can be used efficiently.
In addition, a powerful rotational force can be obtained without escaping the water flow entrained by the flange 22, and the muffled water does not scatter, so that a silencing effect is also achieved.

Each spiral blade 21 having a spiral shape is made of FRP and can obtain the required strength and weight reduction.
The rotating shaft 24 is made of vinyl chloride or FRP, and a transmission gear 25 is attached to the upstream end, and the drive shaft of the generator 6 mounted on the underframe 5 is driven. The endless chain 7 is connected to the gear 61.
The conductive gear 25 attached to the rotating shaft 24 is also preferably made of a resin such as FRP in order to reduce the weight, but the meshing portion with the endless chain 7 is preferably a metal such as stainless steel.

The underframe 5 is a frame having a rectangular parallelepiped space in which the multi-threaded spiral blade 2 can be accommodated, and having an even portion made of L-shaped steel materials 51, 51,... The cross members 52 and 52 for mounting the bearing portions 3 and 3 are installed on the upper and downstream surfaces, and the cross members 53 and 53 for installing the generator 6 are installed on the upper surface in the longitudinal direction.
By making it a frame, it is possible to reduce the weight, and it is possible to easily and quickly carry it by manpower or urgently install it.

  Moreover, the bearing parts 3 and 3 are provided in the position hung down below the cross members 52 and 52, and since the cross members 52 and 52 are located in the water, it is possible to prevent dust and the like from being caught. .

Further, in the space of the underframe 5, hook-like members 4 provided on the side surface and the bottom surface are provided to form hook-like passages, and the multi-threaded spiral blade 2 is connected to the hook-like member 4 in the inside of the hook. The bearings 3 and 3 are rotatably mounted on the bearings 3 and 3 so as to rotate without contact.
The bowl-shaped member 4 is preferably a light resin material, for example, and is appropriately fixed to the L-shaped steel material 51 constituting the frame.
The hook-like member 4 has an effect of inducing flowing water to the multi-threaded spiral blade 2 and also has an effect of preventing water trapped in the multi-threaded spiral blade 2 from scattering.

FIG. 4 shows another embodiment of the spiral blades 21, and in addition to the flange 22 in the axial direction of the rotation shaft provided on the upstream side at the tip of each spiral blade 21, the intermediate portion between the base and the tip is also upstream. A single flange 23 protrudes continuously in the axial direction of the rotary shaft .
Together with the flange 22 in the axial direction of the rotary shaft provided on the upstream side of the tip, it is possible to obtain a more efficient rotational force and silencing action.

  The technical scope of the present invention described above is not limited to the above-described embodiments, but the scope of the technical idea that the present invention truly intends, which will become apparent from the matters described in this specification and the drawings. It is widely spread throughout.

DESCRIPTION OF SYMBOLS 1 Small power generator 2 for waterways Multi-spindle spiral blade 3 Bearing part 4 Gutter-shaped member 5 Base frame 6 Generator 7 Endless chain 21 Spiral blade 22, 23 Flange 24 Rotating shaft 25 Conductive gear 51 L-shaped steel materials 52, 53 Cross member 61 Drive gear

Claims (1)

A plurality of spiral blades wound in a state where a plurality of spiral blades for one lead are arranged at an equal angle on a rotating shaft, a base frame provided with a bearing portion and a saddle-like path, and placed on the base frame It is composed of a generator, and a single flange is provided at an intermediate portion between the tip and the base of each spiral blade so as to protrude upstream in the axial direction of the rotation shaft, and the rotation shaft of the multi-row spiral blade. Is supported by the bearing portion, and is configured to rotate in a non-contact manner in the saddle-shaped path, the spiral blade is made of FRP, and the rotating shaft and the generator are connected to each other. A small-sized power generator for waterways.

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