JPH11208576A - Floating base type hydraulic power generating set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the power generating cost by installing multiple floating bases such as ships in parallel with the river width direction via set intervals, arranging hydraulic turbines in contact with stream in the gaps between the floating bases, transferring the rotation of the hydraulic turbines to generators provided on the floating bases for power generation, and mooring the floating bases at the fixed position on the river at the time of power generation. SOLUTION: Multiple floating bases 3 including ships are floated in parallel in the direction perpendicular to the stream direction on a river 20, and the floating bases 3 are fixed by mooring materials 5 at the front and rear so that gaps 4 are not disturbed. The one end side of the floating bases 3 is fixed to anchors, fixed piles driven into the water bottom or the ground on both shores used in most cases, and the floating bases 3 are fastened and moored by mooring materials 6 such as ropes. Bearings 7 and generators 8 are installed on the floating bases 3. The bearings 7 are rotatably journalled with the axial direction of rotary shafts 1 provided with hydraulic turbines 2 kept perpendicular to the stream. The rotation of the hydraulic turbines 2 is transferred to the generators 8 via rotation transfer mechanisms 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a movable hydroelectric power generator.

[0002]

TECHNICAL BACKGROUND In hydroelectric power generation, a water turbine is rotated by a water flow with respect to a stationary power generator, and power is generated by the rotational force.

[0003] The water flow given to the water turbine is determined by the flow pressure and the flow rate due to the head, and the power generation capacity is determined by the scale of the water flow.

[0004] In order to increase the rotation efficiency of the water turbine, a dam is built, a head of water is created, and a set amount of water is to be obtained.

[0005] In order to make the distance of the dam as small as possible and to construct it economically, the V-shaped valley of the deep mountain is an ideal terrain, and the dam is formed by blocking the valley that opens in the downstream direction. The water flow energy generated by the head difference between the water surface and the discharge water surface is converted into power generation.

[0006] Even if the construction dam is small (the ratio of the construction distance to the total distance of the reservoir water), a great deal of funding and labor, social compensation, social loss, natural destruction, etc. are used as exchange conditions. The target hydropower is being implemented as a business.

[0007]

2. Description of the Related Art As described above, the scale of a hydroelectric power generation is determined by the head and the amount of water, and in order to obtain a large amount of electric power with high efficiency (low unit price), the power generation becomes large. Dam construction is the mainstream.

[0008]

The construction of a dam for hydroelectric power generation is a national project, taking into account the enormous amount of time, enormous costs and labor, and social losses, as described above. At present, the purpose is not a single purpose for power generation, but it is constructed for multiple purposes such as flood control, water use, water flow control and the like in addition to the power generation.

[0009] The basic concept is to reduce the allocation of basic construction costs for use sharing, and to study for many years.
In addition, repeated prototyping, further long-term construction period based on the results, and when it is completed, during the years that have already passed, due to changes in the times, it is not possible to achieve the intended purpose as planned In addition, on the other hand, maintenance costs such as maintenance and management, such as removal of sediment flowing into the dam itself, must be anticipated, and the cost is enormous even for long-term use. Have.

[0010] The multipurpose dam developed on the basis of the above-mentioned hydroelectric power generation also becomes unprofitable on a small scale, and therefore becomes a large-scale type with momentum, so that the fund becomes enormous.

While the conventional hydroelectric power generation is of a stationary type, the hydroelectric power generation apparatus of the present invention has a basic condition that no structural head is required, and is of a portable type. There is no need for huge dam construction and construction costs for installation structures such as water pipes, and natural flowing water in rivers is used as it is as power generation energy, and places where there is no hindrance when predicting the danger of floods, etc. and storage when not in use. It can be moved as a purpose.

According to the present invention, a plurality of floats moored against the flow of a river are made parallel to each other, and a rotating shaft of a water wheel brought into contact with a gap between the floats is pivotally supported by each of the floats. It is another object of the present invention to transmit the rotational motion of the water turbine to a generator installed on the pontoon via a rotary shaft and to generate power.

[0013]

Means for Solving the Problems According to the present invention, as a means for achieving the above-mentioned object, a first invention is directed to a floating river, in which a floating platform such as a plurality of boats is provided through a set gap. Parallel to the river width direction, the floating platform with the set gap separated is connected and supported by a rotating shaft, and the water turbine fastened to the rotating shaft is brought into contact with the water flow in the gap of each floating platform, and the rotating shaft is The rotation of the turbine is transmitted to a generator provided on a floating base that supports the shaft so that power can be generated, and the floating base can be moored at a fixed position in a river during power generation.

According to a second aspect of the present invention, a plurality of pontoons are installed in parallel in a river width direction along a water flow of a river, and each of the pontoons has a rotating shaft with a water wheel opposed thereto in a direction perpendicular to the water flow. In addition to being supported by bearings installed in the shaft, the rotating shaft with a water wheel is supported in parallel to the flow direction with respect to the rotating shaft so that the heavy water turbine can be brought into contact with water in the gap between the pontoons. is there.

According to a third aspect of the present invention, a bearing device provided on each of the floating bases which supports a rotary shaft having a water turbine at an intermediate position can be freely operated up and down and fixed at a desired height position. It becomes.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is intended to extract natural flow of a river 20 as rotational energy and to operate a generator 8 with the rotational energy to obtain electric power.

The hydraulic power generation of the present invention is intended to rotate the water turbine 2 only by the water flow that naturally flows down in the river. If the rotation of the water turbine 2 can be obtained, the flow is basically irrelevant.

A water turbine 2 is fixed to a rotating shaft 1 installed in a direction orthogonal to the flow of the river 20.

A plurality of pontoons 3 including a ship are floated in parallel to the direction of water flow in the river 20 in parallel with the direction of water flow, and the gap 4 set in consideration of the width of the river 20, the amount of flowing water, the flow velocity, and the like. Then, the connecting members 5 and 5 are fixed to the front and rear of the floating base 3 so that the gap 4 is not disturbed.

In order to float on the water surface 21 and fix the float 3 at a certain point, anchors or fixed piles driven into the bottom of the water, one end of each of which is fixed to the most frequently used ground on both banks. The anchor is fastened to the pontoon 3 by an anchoring material 6 such as a rope, and is fixed at a set point against the flow.

A bearing 7 is installed on each of the floating bases 3 as described above, and a generator 8 is installed beside the bearing 7.

The bearing 7 rotatably supports the rotating shaft 1 provided with the water wheel 2 so that its axial direction is perpendicular to the water flow in a plane and is rotatable.

At this time, the distance from the water flow surface 21 to the pivot position is determined by calculating the submerged radius in the radius of the turbine 2 in consideration of the balance between the water depth, the water flow velocity, and the water force. Is what you do.

The rotating shaft 1 is directly connected to the input shaft 9 of the generator 8.
In addition, the generator 8 itself may be replaced with the bearing 7.

When the rotating shaft 1 and the input shaft 9 are not coaxial as described above, the vicinity of the bearing 7 at the end of the rotating shaft 1
The water turbine 1 is connected to the input shaft 9 of the generator 8 through a rotation transmission mechanism 10 including a belt, a gear in which a plurality of gears are continuously meshed, or a shaft having a bevel gear at each end. The rotation can be transmitted to the generator 8.

The height of the bearing 7 supporting the rotary shaft 1 can be changed in the height direction. That is, the depth of the water turbine 2 is adjusted, and when the turbine is not generating power, that is, the floating base is used. When the rotation of the water wheel 2 is unnecessary when the water wheel 3 is moved or stored, the rotating shaft 1 to which the water wheel 2 is fixed can be moved up and down as a means for raising the water wheel 2 in order to cut off contact with water. Things.

As one embodiment of the movement of the shaft support position, the rotation transmission mechanism 10 is attached to an arm 11 centering the input shaft 9 of the generator 8 and the bearing 7 is provided at the front end position. By rotating the arm 11 in the vertical direction, the water wheel 2 can be moved to an arbitrary height position with respect to the floating base 3. The height of the water wheel 2 and the pontoon 3 can be arbitrarily adjusted by fixing the water turbine 2 and the floating base 3 to an arbitrary appropriate angle on the side 3.

Further, as another embodiment of the raising means of the water wheel 2, all the power generation mechanisms such as a bearing 7 for supporting the rotary shaft 1 having the water wheel 2 and a power generator 8 are mounted and fixed on a base 13. In addition, a lifting mechanism 14 is interposed between the base 13 and the floating base 3.

An example of the lifting mechanism 14 will be described.
The base 13 is engaged with the vertical guide 15 standing upright, and the base 13 on which the power generation mechanism is mounted and the floating base 3 are separated from and brought into contact with each other via a hydraulic lifter 16 and operated manually or by power. Is made possible.

The plurality of pontoons 3 are made parallel to each other in the width direction of the river via a gap as described above, and are anchored along the flow.
A water wheel 2 is attached to a rotating shaft 1 that is orthogonal to the flow on both of the floating bases 3 in parallel.
As described above, the water is submerged to a set radius corresponding to the flow velocity and the like. However, a plurality of rotating shafts 1 and 1 provided with a water wheel 2 in the longitudinal direction of the float 3 downstream or above the river are installed in a row in the water flow direction. Is what you do.

The installation form of the generator 8 in the double installation of the water turbine 2 is different from the case where the generator 8 is attached to each of the rotating shafts 1 and the case where each of the rotating shafts 1 and 1 installed in parallel is arbitrarily specified via a rotation transmitting mechanism 10. When the rotating shaft 1 is set as the input shaft 9 of the generator 9, the rotating shaft 1 is not shared with the input shaft 9, and the rotation transmission mechanism 10 is connected to the input shaft 9 of the independent generator 8. Sometimes connected.

In the lifting means of the water wheel 2 in such a double installation of the water wheel 2 as described above, when the individual rotating shafts 1 are raised, and when one floating base 3 is mounted on one base 13, All of the power generation related mechanisms on one side are mounted and fixed on one base 1
3 can be moved up and down at once.

In the floating base 3 equipped with these power generating devices,
In order to strengthen the water flow in the gap between the pontoons 3, the bow of the pontoons 3 is eccentric to the outside of the longitudinal center line of the pontoons 3 so as to attract more water and promote energization. ,
There is a case where the water receiving piece 17 is further installed on the above-mentioned bow in an inverted C-shape in a plane to artificially generate a multi-water flow to expect the enhanced rotation of the water wheel 2.

In the figure, reference numeral 18 denotes a power supply line.

Reference numeral 19 denotes a canopy that covers the entire power generation mechanism to avoid wind and rain.

As described above, the present invention has a smaller power generation capacity than the stationary power generation system, but the power generation unit price is extremely low and can be immediately moved to a power required area.

The floating platform 3 may or may not be provided with a self-propelled device. In the absence of the device, the floating platform 3 may be moved by the running surface 21 of the river 20 or by traction means on land. These are not limited.

[0038]

The present invention relates to hydroelectric power generation using natural water flowing through a head without a head. Although the power generation capacity is lower than that of a known head type hydroelectric power generation, the power generation unit price can be significantly reduced.

In addition, it is possible to immediately supply the hydroelectric generator of the present invention to an area where power is required in a hurry, prepare a plurality of sets of generators corresponding to the required power capacity, and provide the required power. .

The number of water turbines can be increased or decreased according to the state of the river at the desired power generation location.

Power can be generated regardless of the water level of the river at the desired power generation location.

[0042] When the pontoon provided with the power generating device is moved or when power is not generated, the water turbine can be raised above the flowing water surface to make no contact.

[Brief description of the drawings]

FIG. 1 is a plan view for explaining a state in which a floating platform equipped with a power generation mechanism is moored in a river.

FIG. 2 is a side view for explaining a vertical shaft moving device provided with a water wheel.

FIG. 3 is a side view of a lifting mechanism that raises and lowers the power generator.

FIG. 4 is a plan view for explaining a state in which a pontoon provided with a power generation mechanism by cascading water turbines is moored in a river.

FIG. 5 is a side view of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotation axis 1a Auxiliary rotation axis 2 Water wheel 2a Spare water turbine 3 Floating stand 4 Gap 5 Connecting material 6 Tether 7 Bearing 8 Generator 9 Input shaft 10 Rotation transmission mechanism 11 Arm 12 Support arm 13 Base 14 Lifting mechanism 15 Vertical guide 16 Hydraulic lift 17 Water receiving piece 18 Power supply line 19 Canopy 20 River 21 Running water surface

Claims (3)

[Claims] In a river with a flow, a floating platform of a plurality of ships or the like is installed in parallel in a river width direction via a set gap, and the floats separated from the set gap are connected by a rotating shaft to be supported. Then, the water wheel fastened to the rotating shaft is brought into contact with the water flow in the gap between the floating shafts, and the rotation of the water wheel is transmitted to the generator provided on the floating shaft that supports the rotating shaft so that power can be generated. A pontoon type hydroelectric power plant, wherein the pontoon can be moored at a fixed position in a river. 2. A bearing installed on each of a plurality of pontoons installed in parallel with a river flow direction along a water flow of a river and having a rotating shaft with a water wheel opposed to a direction perpendicular to the water flow. And the rotating shaft with a water wheel is supported in parallel with the rotating shaft in the flow direction so that the water turbine can be brought into contact with water in the gap between the pontoons. Item 6. The floating power plant according to Item 1. 3. A bearing device provided on each of the floating bases for supporting a rotary shaft having a water turbine at an intermediate position, which can be freely operated up and down.
The floating-type hydroelectric power generator according to claim 1 or 2, wherein the hydraulic power generator can be fixed at a desired height position.