CN2088607U - Wind centralizing vertical axle windlass mill - Google Patents

Abstract

The utility model relates to a wind centralizing vertical axle windlass mill, comprising a wind centralizing device, a vertical shaft and a supporting frame. The wind centralizing device is arranged above the supporting frame and comprises main wind blades, auxiliary wind blades, an upper circular cover plate, a lower circular plate, a speed adjusting draw rod, a speed adjusting spring, etc. The main wind blades and the auxiliary wind blades comprise three groups of main wind blade structures and auxiliary wind blade structures which are evenly and vertically positioned between the upper circular plate and the lower circular plate. The auxiliary wind blades are positioned and controlled by the speed adjusting draw rod and connected with the speed adjusting spring, and the auxiliary wind blades are in the same arc direction with the main wind blades and are movably installed in one side of the concave surface of the main wind blades. The utility model has the advantages of precise structure, low barycenter, good stability, big wind connecting force, big torque and automatic speed regulation, which can be made into a small scale windlass mill, a middle scale windlass mill and a large scale windlass mill.

Description

The utility model is to belong to a kind of wind-driven vehicle that utilizes three groups of major and minor blade structures wind energy to be converted to mechanical energy.

The S formula that in 1924 Finland SaVonius has proposed to be made up of the two and half arc fan blades axle low speed WECS that hangs down, French afterwards Lafonel has proposed equidistantly axially to be distributed in two turbo type wind energy conversion systems that differ in size and form between the annulus by the multi-disc fan blade, Senegal Ju Enwan (NgugenVinn) has taught with black mayer (Houmair) Mr. cooperation research and development by three blade wind-wheel Senegal formula wind-driven vehicles of semicircle arc column peace plate combination (" small wind machinery designs ", the Li Qingyi chief editor, Beijing Machinery Industry publishing house, 1986,12, " theory of wind energy conversion system and design ", Fa Leguli compiles, Shi Pengfei translates, Beijing Machinery Industry publishing house, 1987,12).More than all kinds of windmill, simple in structure, but its collection wind-force is relatively poor, thereby the mechanical force that produces is also lower.

The purpose of this utility model be utilize the Bai Nuli principle to provide a kind of to collect that wind-force is big, high pulling torque and can regulate the wind-driven vehicle of windmill revolution automatically, make it of a tightly knit structure, center of gravity is low, steadiness is high, be easy for installation and maintenance.

Its technology contents of the utility model is by wind-drive device, vertical shaft and is configured to.Wind-drive device is positioned at the top of support, comprises three main blades, three secondary fan blades, last round cover board, the plectane of going to the bottom, three speed governing pull bars and three several parts of governor spring.Three main blades and three secondary fan blades are formed three groups of major and minor blade structures respectively, and are uniform vertically between plectane up and down, and its height is 2:1 with the ratio of plectane radius the best up and down.Three speed governing pull bars and three governor springs lay respectively at secondary fan blade two ends.The speed governing pull bar is " people " font, and an end welds secondary fan blade, and an end is positioned at above the round cover board below and the plectane of going to the bottom on the activity of secondary fan blade circle centre position fixation is contained in up and down two plectanes, make secondary fan blade and main blade with arc to being positioned at main blade concave surface one side.Governor spring one end connects the speed governing pull bar, and an end is connected on the interior limb of another group main blade.Vertical shaft upper end is positioned at the plectane central authorities that go to the bottom by pallet and bolt, and the bottom connects to gear drive, the vertical shaft body of rod by two bearings up and down by bearing seat axle position in support.

Three groups of major and minor blade structures are to be distributed in the following manner between upper and lower two plectanes:

A, three main blades: blade is an arc, arc is to identical, camber is 1/5 of its chord length, its outer limb is positioned on the upper and lower two plectane round edges, and interior limb is uniform, and to be positioned at the outer limb of another main blade be the round side face intersection place of 1/6 plectane radius R with plectane medial axis formed plane and with radius;

B, three secondary fan blades: be arc, radius is 1/2 of a plectane radius R, with main blade with arc to being positioned at main blade concave surface one side, its outer limb is positioned at up and down on the two plectane round edges, the arc length of limb is 1/9 of two plectane circumferences outside main blade, and interior limb is in the main blade concave surface, if be the center of circle with the plectane center O, with radius is that 2/3 plectane radius R is made arc, and the arc length of then secondary fan blade internal lobe back gauge main blade is 1/54 of a plectane circumference.

Fig. 1: the utility model structural representation.

Fig. 2: cross section, the utility model wind-drive device major and minor fan blade mounting point schematic top plan view.

Narrate its structure of the utility model and design principle in conjunction with the accompanying drawings below by embodiment:

One, structure content of the present utility model:

Shown in Figure 1: structure of the present utility model is to be made of wind-drive device, vertical shaft (5) and support (6).Wind-drive device comprises three main blades (2), three secondary fan blades (3), goes up round cover board (1), the plectane of going to the bottom (4), three speed governing pull bars (7) and several parts of three governor springs (8).Three main blades (2) and three secondary fan blades (3) available metal plate (suitable small-sized windmill) or canvas (suitable large-scale windmill) material are made, vertically be distributed between round cover board (1) and the plectane of going to the bottom (4) with three groups of major and minor blade structure forms respectively, its height is 1:1 with the ratio of two plectanes (1,4) diameter the best.Speed governing pull bar (7) and governor spring (8) lay respectively at the two ends up and down of three secondary fan blades (3) and promptly go up round cover board (1) below and plectane (4) top of going to the bottom, and speed governing pull bar (7) is " people " font, is the fixation controlling rod of secondary fan blade (3).Governor spring (8) one ends connect speed governing pull bar (7), and the other end is connected on the interior limb of another group main blade (2).When the windmill rotary work, secondary fan blade (3) can move back and forth under the regulating action of spring (8) with the power of wind-force, to regulate the size of fan blade collection wind face, plays windmill speed governing effect.Vertical shaft (5) is the mechanical transmission axle of wind energy conversion, the top is positioned at wind-drive device plectane (4) central authorities that go to the bottom, be in the same place by pallet and bolt, following termination is to gear transmission structure, the whole vertical shaft body of rod by upper and lower two bearings by bearing seat axle position in support (6).Support (6) is welded by angle steel, be less than 4 meters small-sized windmill for the base plate diameter, support (6) can directly support by vertical shaft (5) and pass through the vicinal wind-drive device of portion thereon, for the base plate diameter greater than the large-scale windmill more than 4 meters, support (6) upper end and plectane (4) bottom of going to the bottom need be provided with slide rail and pulley, make windmill play firm effect in supporting with in rotating.

Figure 2 shows that the sectional top view of its major and minor fan blade of the utility model (2,3) mounting point.Plectane (1,4) radius is R up and down.Three main blades (2) are arc, its camber is 1/5 of its chord length, arc is to identical, its outer limb is uniform vertically to be positioned at up and down on plectane (1, the 4) circle edge, and interior limb is uniform vertically to be positioned at the plane, place of its outer limb of another main blade (2) and center of circle perpendicular bisector and to be the intersection place of the inner cylindrical surface of 1/6 plectane (1,4) radius R with radius.Three secondary fan blades (3) are arc, radius is R/2, with main blade (2) with arc to being loaded on two plectanes (1 up and down at self circle centre position by speed governing pull bar (7) location respectively, 4) on, activity is positioned over main blade (2) concave surface one side, its outer limb is positioned at two plectanes (1 up and down, 4) on the circle edge, the arc length of limb is 1/9 of two plectane circumferences outside main blade (2), interior limb is in main blade (2) concave surface, if with the plectane center is the center of circle, with radius 2/3 plectane (1,4) radius R is made arc, and the arc length of then secondary fan blade internal lobe back gauge main blade (2) is 1/54 of a plectane circumference.

Two, its design principle of the utility model:

1, its major and minor fan blade of the utility model (2,3) all is designed to arc, the wind resistance when wind-force intensity in the time of can increasing wind-engaging and minimizing contrary wind.

2, its wind-drive device of the utility model is with three groups of uniform vertically being positioned between round cover board (1) and the plectane of going to the bottom (4) of major and minor blade structure form.When windmill wind-engaging rotary work, main blade (2) mainly is to bear the effect of accepting air quantity and producing mechanical force, and secondary fan blade (3) is that windmill remains in certain rated revolution scope same main blade (2) and plays jointly and increase the effect that is subjected to air quantity and mechanical force in normal working; When being windmill revolution over range more greatly at wind-force, then secondary fan blade (3) is retrograde state with wind direction under centrifugal action, at this moment, secondary fan blade (3) just reduces the collection wind-force of windmill, thereby the wind-force that is subjected to of fan blade is reduced, played that the windmill revolution is remained on speed governing effect in the rated range.

3, main blade (2) in it limb all to design the uniform plectane center that is positioned at be on the round week of 1/6 plectane (1,4) radius R with radius, the middle part forms axial space, when fan blade wind-engaging rotary work, its central space can form eddy current, thereby after making a main blade (2) wind-engaging, its wind-force can flow to other two groups of main blades (2) respectively, thereby has increased wind-force for windmill improves revolution.

4, the utility model can be designed to small-sized, medium-sized or large-scale windmill according to actual needs.The rated revolution scope of its windmill can fixation position and rotational area according to the size of wind-engaging position and wind conditions design fan blade and secondary fan blade (3) between.For large-scale windmill, its wind-drive device bottom and support (6) top need be provided with slide rail and pulley, to guarantee supporting and to rotate firm.

The utility model and prior art contrast have following characteristics:

1, modern design, of a tightly knit structure, adopt three groups of major and minor blade structures, reduced the wind resistance that is subjected to of fan blade, increased the wind-force intensity of wind-engaging, thereby had that the collection air quantity is big, the advantage of high pulling torque.

2, its secondary fan blade of the utility model can play windmill speed governing effect under the control action of speed governing pull bar and governor spring, to guarantee the stable range of revolution of windmill.

3, the utility model center of gravity is low, and steadiness is strong, thereby is convenient to installation and maintenance.

4, the utility model can require to make small-sized, medium-sized or large-scale windmill according to difference, and is easy for operation to satisfy the needs such as generating, irrigation and drainage, machine driving and Shipping, is a kind of fabulous energy saver.

Claims (2)

1, a kind of collection wind vertical axis windmill, the structure that it is characterized in that it is by wind-drive device, vertical shaft (5) and support (6) constitute, wind-drive device is positioned at the top of support (6), comprise three main blades (2), three secondary fan blades (3), last round cover board (1), the plectane (4) of going to the bottom, three speed governing pull bars (7) and several parts of three governor springs (8), three main blades (2) and three secondary fan blades (3) are formed three groups of masters respectively, secondary blade structure, the uniform plectane (1 up and down that vertically is positioned at, 4) between, its height and two plectanes (1 up and down, 4) ratio of radius the best is 2: 1, three speed governing pull bars (7) and three governor springs (8) lay respectively at secondary fan blade (3) two ends, speed governing pull bar (7) is " people " font, one end welds secondary fan blade (3), one end is contained in two plectanes (1 up and down in the activity of secondary fan blade (3) circle centre position fixation, 4) on, be positioned at round cover board (1) below and plectane (4) top of going to the bottom, make secondary fan blade (3) and main blade (2) with arc to being positioned at main blade (2) concave surface one side, governor spring (8) one ends connect speed governing pull bar (7), one end is connected on the interior limb of another group main blade (2), vertical shaft (5) upper end is positioned at the plectane of going to the bottom (4) central authorities by pallet and screw, the bottom connects to gear drive, the vertical shaft body of rod by two bearings up and down by bearing seat axle position in support (6).

2, collection wind vertical axis windmill according to claim 1 is characterized in that described three groups of major and minor blade structures are to be distributed in the following manner between round cover board (1) and the plectane of going to the bottom (4):

A, three main blades (2): blade is an arc, arc is to identical, camber is 1/5 of its chord length, its outer limb is positioned on upper and lower plectane (1, the 4) round edge, and interior limb is uniform to be positioned at the outer limb of another main blade (2) and plectane medial axis formed plane and to be the round side face intersection place of 1/6 plectane (1,4) radius R with radius;

B, three secondary fan blades (3): be arc, radius is 1/2 of plectane (1, a 4) radius R, with main blade (2) with arc to being positioned at main blade (2) concave surface one side, its outer limb is positioned at up and down on two plectanes (1, the 4) round edge, the arc length of limb is 1/9 of two plectane circumferences outside main blade (2), interior limb is in main blade (2) concave surface, if with the plectane center O is the center of circle, with radius is that 2/3 plectane (1,4) radius R is made arc, and the arc length of then secondary fan blade internal lobe back gauge main blade (2) is 1/54 of plectane (1, a 4) circumference.