CN201835983U

CN201835983U - Multi-layered sail for wind power generation

Info

Publication number: CN201835983U
Application number: CN2010205517882U
Authority: CN
Inventors: 喻体刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-30
Filing date: 2010-09-30
Publication date: 2011-05-18
Anticipated expiration: 2020-09-30

Abstract

The utility model discloses a multi-layered sail for wind power generation. The multi-layered sail comprises a sail base frame and a sail shaft, wherein a plurality of sail blades that are vertically arranged and enable the sail shaft to rotate in the same direction are connected to the sail shaft; the sail base frame comprises an under frame cross beam capable of being supported on the rigid ground, a supporting seat is fixedly connected to the upper part of the under frame cross beam, the sail shaft is rotationally supported on the supporting seat, and the lower end of the sail shaft is exposed out of the lower end surface of the supporting seat to be connected with the coaxial line at the input end of a generator; and the sail blades comprise a bottom layer sail blade group comprising a plurality of bottom layer sail blades and at least an upper layer sail blade group comprising a plurality of upper layer sail blades, the bottom layer sail blade group and the upper layer sail blade group are arranged in a malposition way in the height direction, and the bottom layer sail blades are movably supported on the rigid ground. The utility model has the benefits that the wind resources, the conventional materials and the manufacturing technique are utilized fully; and the multi-layered sail for wind power generation has simple structure, high mechanical efficiency and long service life, is safe to use, and is suitable for megawatt-class large-scale wind turbine generators and super-huge wind turbine generators.

Description

Multilayer wind-power electricity generation sail

Technical field

The utility model relates to a kind of used for wind power generation sail of wind generating unit, particularly a kind of vertical multilayer wind-power electricity generation sail that is used for vertical wind power generation.

Background technique

Wind energy is a kind of energy of cleaning, and in the today of being becoming tight world energy sources day, wind energy is subjected to people and more and more pays close attention to.Wind wheel is the vitals of wind-driven generator, and whether the structure of wind wheel rationally is directly connected to the operational efficiency of wind-driven generator.At present, the wind wheel of the propeller type that common wind turbines rotor is made up of three or more blade, wind wheel and generator main body constitute the generator head, it is installed on the blower fan king-post to be approximately perpendicular mode, because the wind wheel blowing area of this structure is little, the generated energy of generator is subjected to certain restriction.For increasing blowing area, or make the wind wheel swept surface always perpendicular to prevailing wind direction, or improve generator performance and for the purpose of Security aspect etc., usually by adding linear leaf, the modes such as yaw system, hydraulic system, booster engine, fin, pitch regulating mechanism, cowling that are provided with realize that these devices that mainly are positioned at the head section of generator rotation directly cause generator head heaviness, for the MW class generator, its weight reaches thousands of tons of, and the fan blade radius reaches 70～80m.All very high to the precision and the material requirements of fan blade processing like this, cause its cost height, thereby directly cause the high deficiency of wind-power electricity generation valency, simultaneously, because the blade turning radius will cause wing tip speed supersonic speed to produce shock wave and vibration greatly, not only reduced efficient, also sent very big noise and cause noise pollution; In addition, because blade is long, body of the tower is high, occurs the fault of blade broken easily, the potential safety hazard that exists blade to fly out to ruin thing, hurt sb.'s feelings.For this reason, those skilled in the art also carried out corresponding improvement, and had obtained certain effect.Chinese patent notification number: CN201443470U, date of declaration on April 28th, 2010, invention and created name " big sail vertical rotating wind turbines rotor ", a kind of wind wheel of vertical rotating wind-driven generator is disclosed, it is made of a vertically disposed vertical shaft and several vertically disposed sail blades, the sail blade is distributed on the vertical shaft, a retaining control wind shell is arranged in the outside of impeller, form airflow channel by retaining control wind shell, wind-force promotes blade and drives the column rotation continuously, thereby realizes the purpose of wind-power electricity generation.Existing wing formula wind-driven generator is made the difficulty height, maximum generating watt is difficult to the further problem of raising though this technological scheme has solved, but itself is owing to be provided with retaining control wind shell, not only there are complex structure, deficiency that manufacture cost is high, simultaneously, because blade is fixedlyed connected with column, sail wind-engaging in airflow channel try hard to recommend moving in, its sail of tossing about also can be subjected to the effect of part wind-force and column produces rightabout thrust, causes the deficiency of wind-force waste; In addition, because sail only is provided with one group at vertical direction, limited by current material and manufacture level, sail size and generated energy are subjected to certain restriction, also can cause wind-force to be not fully utilized.For this reason, require further improvement.

Summary of the invention

The purpose of this utility model is exactly at the deficiencies in the prior art, and a kind of sufficient wind-power electricity generation sail of wind resource utilization that is applicable to large-scale and super-huge wind-driven generator is provided.

For achieving the above object, the utility model adopts following technological scheme.

A kind of multilayer wind-power electricity generation sail, comprise the sail pedestal, be rotatably connected to a sail axle that is connected with generator input end coaxial line on the sail pedestal, be connected with several sail blades that several vertically are provided with on the sail axle, several sail blades make the sail axle rotate continuously by same direction under the wind-force effect successively, described sail pedestal comprises the body transom that can be supported on the rigid ground, the body transom upper fixed is connected with supporting base, supporting base is provided with the through hole that is rotatably assorted with sail axle outer cylinder surface, sail axle rotational support is on supporting base, and the supporting base lower end surface is exposed in sail axle lower end; Described sail blade comprises that one contains bottom sail vane group and at least one upper strata sail vane group that contains several upper strata sail blades of several bottom sail blades, bottom sail vane group and upper strata sail vane group shift to install in short transverse, and bottom sail blade movable supporting is on rigid ground.

Adopt a kind of multilayer wind-power electricity generation sail of such scheme, its sail axle is rotationally connected as the input end coaxial line of pto and wind-driven generator, and himself overall weight is supported on the rigid ground by the sail pedestal.The sail blade can be made two-layer at least along short transverse, the individual layer blade can make full use of existing manufactured materials and technological level and do enough greatly, utilize multilayer sail blade to increase the blowing area of wind-power electricity generation sail, thereby can make full use of wind resource, be applicable to the large-scale and super-huge wind-driven generator sail of MW class.

Preferably, described bottom sail blade lower end is provided with at least two bottom sail pillars, bottom sail pillar distributes along bottom sail vane group width direction, wherein two bottom sail pillars are located at bottom sail blade two ends respectively, bottom sail pillar lower end is fixedly connected with universal caster wheel, and bottom sail blade is supported on the rigid ground by universal caster wheel.The gravity of bottom sail vane group is born by bottom sail pillar, and bottom sail vane group weight distribution is even, and bottom sail vane group distortion in use is little, and motion is reliable, thereby guarantees bottom sail vane group long service life.

Preferably, described sail pedestal also is provided with middle standing pillar, vertical columns, vertical columns is fixedly connected on the body transom left end, middle standing pillar is fixedly connected on the body transom right-hand member, the middle standing pillar left and right sides is equipped with at least two diagonal braces that are tilted to, the top of left side diagonal brace is fixedly connected with fixed supporting seat, and fixed supporting seat is provided with the via hole that cooperates with vertical columns, and fixed supporting seat is fixedlyed connected with vertical columns by via hole; Described supporting base is provided with at least two, and supporting base is fixedly connected on the top of two right side diagonal braces of middle standing pillar respectively; Coaxial rotation is connected with first sprocket wheel and second sprocket wheel on the described vertical columns, first sprocket wheel is positioned at second sprocket wheel below, have setpoint distance between first sprocket wheel and second sprocket wheel, second sprocket wheel and first sprocket wheel difference rotational support are on the fixed supporting seat in sail pedestal left side; Be fixedly connected with the 3rd sprocket wheel on the described sail axle and be rotatably connected to the 4th sprocket wheel, the 3rd sprocket wheel is positioned at the 4th sprocket wheel below, distance between the 3rd sprocket wheel and the 4th sprocket wheel equates with distance between first sprocket wheel and second sprocket wheel, the 3rd sprocket wheel is identical with the vertical height of the first chain wheelspan rigid ground, the 3rd sprocket wheel and the 4th sprocket wheel difference rotational support are on the supporting base of sail pedestal right side, be connected with the gear drive that makes the 4th sprocket wheel and sail axle reverse rotation between the 4th sprocket wheel and the sail axle, the sail axle is simultaneously by the 3rd sprocket wheel, the 4th sprocket wheel and supporting base are supported on the sail pedestal; Be engaged with first chain between described first sprocket wheel and the 3rd sprocket wheel, be engaged with second chain between second sprocket wheel and the 4th sprocket wheel; Be fixedly connected with bottom sail crossbeam on first chain, be fixedly connected with upper strata sail crossbeam on second chain, upper strata sail crossbeam and bottom sail crossbeam all stretch out in the horizontal direction, and upper strata sail crossbeam and bottom sail crossbeam are interspersed in the horizontal projection plane; Described first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel are identical with the structural parameter of the 4th sprocket wheel sprocket; Described upper strata sail vane group only is provided with one deck, the area of upper strata sail vane group is less than bottom sail vane group area, the upper strata sail blade of the bottom sail blade of bottom sail vane group and upper strata sail vane group is rotatably connected on bottom sail crossbeam and upper strata sail crossbeam far-end respectively, bottom sail blade and upper strata sail blade are when wind-receiving face facings the wind, its back side corresponding respectively and bottom sail crossbeam and the leading flank applying down with the wind accordingly of upper strata sail crossbeam, when the leading flank that facings the wind of bottom sail crossbeam and upper strata sail crossbeam was in the vertical plane of any one same position, both leading flank directions of facining the wind were opposite; Described bottom sail blade and upper strata sail blade quantity are 3 or 4.

The concrete quantity of individual layer sail blade is according to on-the-spot wind resource, on-the-spot place environment, the generator power output size, factors such as manufacture cost are determined, function continues to guarantee to generate electricity, stable electric generation, and manufacture cost and user cost are low to be principle, individual layer sail blade quantity is too much, the sail blade can weaken the wind-engaging effect of rear sail blade at the sail blade of straight line motion section the place ahead wind-engaging, further raising wind resource utilization ratio is played certain restriction, and increased manufacture cost, therefore, the sail blade quantity of individual layer sail vane group is advisable with 3 or 4.The corresponding sail blade of bottom and upper strata sail vane group continues wind-engaging in the straightway motion, and its wind-engaging time is long, guarantees that further the wind resource utilization is abundant; Simultaneously, because the moving direction of bottom and upper strata sail vane group is opposite, multilayer wind-power electricity generation sail motion of the present utility model is steady, stressed evenly, thereby guarantees sail safety in utilization and long service life.When bottom sail blade or upper strata sail blade respectively when the length direction of first chain or second chain evenly distributes, can further improve the power generation stabilization of generator.

Further preferred, described gear drive comprises the first awl fluted disc, second awl fluted disc, the pinion stand, at least two bevel planet gears, planet pin, the cup-shaped structure of pinion stand, on the bottom plane of the coaxial cup-shaped cavity volume that is fixedly connected on pinion stand of the first awl fluted disc, the first awl fluted disc and second is bored fluted disc tooth depth side in opposite directions, and the first awl fluted disc and the second awl fluted disc number of teeth equate; Described planet pin is fixedly connected on the sidewall of pinion stand cup-shaped cavity volume, planet pin is between the first awl fluted disc and the second awl fluted disc, the bevel planet gear coaxial rotation is engaged on the planet pin, bevel planet gear meshes with the first awl fluted disc and the second awl fluted disc simultaneously, and bevel planet gear is uniform at the pinion stand circumferencial direction; Described the 4th sprocket wheel upper end is provided with the counterbore that holds gear drive, and the pinion stand of gear drive is fixedly connected on the bottom plane of the 4th sprocket wheel counterbore; The middle part of described the 4th sprocket wheel, second awl fluted disc, pinion stand and planet pin is equipped with the perforation that is used to pass the sail axle, and the sail axle passes successively from bottom to top in perforation behind the 4th sprocket wheel bottom, pinion stand lower end, the first awl fluted disc and the planet pin that fluted disc is coaxial fixedlys connected with second awl; Described sail axle also is supported on the 4th sprocket wheel by the first awl fluted disc of gear drive.Guarantee that upper strata sail vane group and bottom sail vane group move in opposite directions, and simple in structure, low cost of manufacture.

Further preferred, the quantity of described first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel and the 4th sprocket wheel is two, and the sprocket phase angle correspondence of two first sprocket wheels, two second sprocket wheels, two the 3rd sprocket wheels and two the 4th sprocket wheels is identical; Described two first sprocket wheels all are positioned at two second sprocket wheel belows, are positioned at first sprocket wheel of top and the second contiguous sprocket wheel and have setpoint distance; Two the 3rd sprocket wheels all are positioned at two the 4th sprocket wheel belows, above the 3rd sprocket wheel and the distance between contiguous the 4th sprocket wheel, equate with the setpoint distance of first sprocket wheel that is positioned at the top with second sprocket wheel of vicinity, be provided with equal spacing between two first sprocket wheels and between two the 3rd sprocket wheels, be provided with equal spacing between two second sprocket wheels and between two the 4th sprocket wheels; First sprocket wheel that is positioned at the below equates that with the perpendicular distance of the 3rd chain wheelspan rigid ground that is positioned at the below second sprocket wheel that is positioned at the below equates with the perpendicular distance of the 4th chain wheelspan rigid ground that is positioned at the below; The quantity of described first chain and second chain is two; The sail blade quantity of the quantity of described bottom sail crossbeam and first chain and bottom sail vane group adapts, the bottom sail crossbeam that is positioned at top first chain and below first chain is corresponding in twos, two corresponding bottom sail crossbeams are overlapping in horizontal plane, be fixedly connected with cross beam and upright post between two corresponding bottom sail crossbeams, cross beam and upright post is positioned at the near-end of bottom sail crossbeam near the sail axle, the cross beam and upright post lower end is connected with universal caster wheel, universal caster wheel is supported on the rigid ground, and bottom sail vane group is rotatably connected on two bottom sail crossbeams simultaneously; The sail blade quantity of the quantity of described upper strata sail crossbeam and second chain and upper strata sail vane group adapts, the upper strata sail crossbeam that is positioned at top second chain and below second chain is corresponding in twos, two corresponding bottom sail crossbeams are overlapping in horizontal plane, be connected with the upper beam post between two corresponding upper strata sail crossbeams, the upper beam post is positioned at the near-end of upper strata sail crossbeam near the sail axle, and upper strata sail vane group is rotatably connected on two upper strata sail crossbeams simultaneously; Described supporting base and fixed supporting seat are equipped with four, and four supporting bases lay respectively at two the 3rd sprocket wheels and two the 4th sprocket wheel lower ends, and four fixed supporting seats lay respectively at two first sprocket wheels and two second sprocket wheel lower ends; The middle standing pillar left and right sides of described sail pedestal is fixedly connected with four diagonal braces that are tilted to respectively, and the other end of diagonal brace is fixedlyed connected with four fixed supporting seats with four supporting bases respectively.Two bottom sail crossbeams and cross beam and upright post and two upper strata sail crossbeams and upper beam post constitute respectively and are positioned at horizontal position and opening two U frameworks outwardly, two U frameworks are bearing in the sail blade top and the bottom of bottom sail vane group and upper strata sail vane group respectively at upper and lower, when the sail blade has enough height, the sail blade there are enough support strengths, guarantee that the sail blade working is normal, be applicable to the sail blade of large-scale wind driven generator.Simultaneously, each sprocket wheel below is equipped with supporting base, guarantees that sprocket wheel is working properly, and then guarantees that sail of the present utility model is working properly; In addition, the cross beam and upright post lower end is connected with universal caster wheel, guarantees that two bottom sail crossbeam movable supporting on rigid ground, guarantee that further sail of the present utility model is working properly, long service life.

Preferably, the body transom of described sail pedestal is provided with several rollers, and roller is along the body transom axial distribution, and roller is connected with the body transom coaxial rotation; Be provided with first horizontal brace between described supporting base and the middle standing pillar, the quantity of first horizontal brace equates with supporting base quantity to fixedly connected with middle standing pillar with supporting base respectively in the two ends of first horizontal brace; Be provided with second horizontal brace between described fixed supporting seat and the middle standing pillar, the quantity of second horizontal brace equates with fixed supporting seat quantity to fixedly connected with middle standing pillar with fixed supporting seat respectively in the two ends of second horizontal brace.The sail pedestal is provided with several rollers, the sail pedestal can rotate by roller, when the direction of wind-force changes, the sail pedestal can and carry out the adaptivity adjustment around sail axle spin axis by the wind direction variation, guarantee effective blowing area maximum of sail vane group, further guarantee to make full use of wind resource and simple in structure.

Preferably, described supporting base upper end is provided with the end face bearing, also is provided with the bearing needle bearing in the supporting base, and the bearing needle bearing is positioned at sail axle periphery, and the sail axle is connected with the supporting base coaxial rotation by the bearing needle bearing; Described end face bearing lays respectively at the 3rd sprocket wheel, the 4th sprocket wheel below, and the 3rd sprocket wheel and the 4th sprocket wheel pass through end face bearing rotational support respectively on supporting base.Guarantee that sail axle, the 3rd sprocket wheel and the 4th sprocket rotation friction factor are little, it is flexible to rotate, mechanical efficiency is high, and then guarantee that the wind resource utilization is abundant.

Described fixed supporting seat upper end is provided with the second end face bearing, and the second end face bearing lays respectively at first sprocket wheel or the 3rd sprocket wheel below, and first sprocket wheel and second sprocket wheel pass through the second end face bearing rotational support respectively on fixed supporting seat; Described first sprocket wheel is identical with second chain sprocket structure, is provided with the chain outer ring and roll assembly in first sprocket wheel and second sprocket wheel are equal, and the chain outer ring and roll assembly is positioned at the vertical columns periphery, and first sprocket wheel is fixedlyed connected with vertical columns by the chain outer ring and roll assembly respectively with second sprocket wheel.Guarantee that the 3rd sprocket wheel and the 4th sprocket rotation friction factor are little, it is flexible to rotate, mechanical efficiency is high, and then guarantee that the wind resource utilization is abundant.

Further preferred, the bottom sail blade of described bottom sail vane group is made up of bottom first sail blade and the bottom second sail blade, the bottom first sail blade rotation is connected bottom sail crossbeam far-end, the bottom second sail blade rotation is connected bottom sail crossbeam middle part, the bottom first sail blade is identical with the bottom second sail blade structure, and the area of the bottom first sail blade is less than the bottom second sail blade area; The described bottom first sail blade is identical plate frame structure with the bottom second sail blade, comprises sail framework, windsurfing, and windsurfing is fixedly connected on the sail framework; The sail framework comprises the upright of frame that is located at both sides and is fixedly connected on cruciform bracing between the upright of frame, the upright of frame periphery that is located at the right side fixedly is connected to two sleeve pipes, two sleeve pipes adapt with two bottom sail crossbeam positions of sail axle respectively, be fixedly connected with the U-shaped fork on the sleeve pipe, distance between the two side interior edge face of U-shaped fork is greater than bottom sail crossbeam height, the upper side wall of the U-groove bevel of U-shaped fork is provided with the through hole with right side frame column Spielpassung, and the upper side wall of the U-groove bevel of U-shaped fork is provided with the via hole that the outer surface with sleeve pipe adapts; Described two bottom sail crossbeams are provided with via hole, the via hole coaxial line of two bottom sail crossbeams, via hole cooperates with shell clearance on the upright of frame, the part of bottom sail crossbeam is positioned at the U-groove bevel of U-shaped fork, also be connected with the sail bearing between bottom sail crossbeam and the U-shaped fork, the sail framework is rotationally connected with two bottom sail crossbeams respectively by U-shaped fork and sail bearing; Described sail framework also is provided with at least one framework center pillar, the framework center pillar is fixedlyed connected with all cruciform bracings on the sail framework respectively, described bottom sail pillar is fixedly connected on the sail framework lower end surface, bottom sail pillar is provided with three, wherein two bottom sail pillars respectively with upright of frame coaxial line, another bottom sail pillar and framework center pillar coaxial line; Described sail framework also is provided with the framework diagonal brace, and the framework diagonal brace is fixedly connected between the cruciform bracing of sail framework, and framework diagonal brace and framework center pillar form the Mi Zixing skeleton with the cruciform bracing that is positioned at the sail frame mid portion; Described sail bearing is made up of upper bearing (metal) and lower bearing; Upper bearing (metal) is provided with bearing race, bearing race is embedded in two bottom sail crossbeam upper ends, bearing race is provided with several steel balls, steel ball top is provided with the retainer that makes each steel ball keep setpoint distance, the upper-end surface of retainer is lower than the steel ball end face, the steel ball end face is supported with billet, and billet is embedded in the U-shaped upper arm inboard of U-shaped fork; Described lower bearing is provided with the lower bearing raceway, the lower bearing raceway is embedded in the U-shaped underarm inboard of U-shaped fork, be provided with steel ball in the lower bearing raceway, steel ball top is provided with the ball retainer that makes each steel ball keep setpoint distance, the upper-end surface of ball retainer is lower than the steel ball end face, the steel ball end face is supported with backing plate, and backing plate is embedded in bottom sail crossbeam lower end; Described universal caster wheel comprises load-bearing steel ball, upper ball base, lower ball base, upper ball base and lower ball base are equipped with inner ball surface, the same centre of sphere of the inner ball surface of upper ball base and lower ball base, upper ball base and lower ball base are bolted to connection, the inner ball surface of upper ball base is complete hemisphere face, the inner sphere radius of upper ball base is evenly equipped with several little steel balls greater than load-bearing steel ball radius in the inner ball surface of upper ball base, upper ball base rolls with the centre of sphere with the load-bearing steel ball by little steel ball and is connected; The inner ball surface of described lower ball base is a hemispherical part, and the height of lower ball base is less than load-bearing steel ball radius, and the radius of lower ball base inner ball surface and load-bearing steel ball radius adapt, and lower ball base is rotationally connected by its inner ball surface and load-bearing steel ball; Described upper ball base top also is fixedly connected with transition disc, and universal caster wheel is fixedlyed connected with the lower end of bottom sail pillar or cross beam and upright post respectively by transition disc; The upper strata sail blade of described upper strata sail vane group is made up of upper strata first sail blade and the upper strata second sail blade, the upper strata first sail blade rotation is connected upper strata sail crossbeam far-end, the upper strata second sail blade rotation is connected sail crossbeam middle part, upper strata, and the area of the upper strata first sail blade is less than the upper strata second sail blade area; The described upper strata first sail blade is identical with the structure of aforesaid bottom first sail blade or the bottom second sail blade with the upper strata second sail blade; Described upper strata sail crossbeam is provided with via hole, the via hole coaxial line of two upper strata sail crossbeams, via hole cooperates with shell clearance on the upright of frame, the part of upper strata sail crossbeam is positioned at the U-groove bevel of U-shaped fork, also be connected with upper strata sail vane end faces bearing between upper strata sail crossbeam and the U-shaped fork, upper strata sail vane end faces bearing structure is identical with the upper bearing structure of sail bearing; The sail framework is rotationally connected with two upper strata sail crossbeams respectively by U-shaped fork and upper strata sail vane end faces bearing.The sail blade can be made up of one or more, and being suitable for large, medium and small type wind-driven generator, its concrete composing quantity should require, make factor such as the material, wind condition of sail blade according to generated energy and determine; Generally be made up of two sail blades and get final product, the second sail blade windage that area is big is big, is located at the crossbeam near-end, and is safe in utilization to guarantee; Simultaneously, bottom first sail blade and the bottom second sail blade are by a framework center pillar and two bottom sail shore supports, and bottom first sail blade and the bottom second sail blade weight distribution are even, are out of shape for a short time, and spinning motion is reliable, long service life; The advantage that conical pipe has is in light weight, the center is low; The sleeve pipe inner cone forms tight connection by sail column male cone (strobilus masculinus), and it is connected firmly, and locking action effect is good, long service life; The composite structure of upper bearing (metal) and lower bearing, even when under bottom sail crossbeam far-end generation trace, bending, bottom sail crossbeam is not stuck with bottom first sail blade and the bottom second sail blade, guarantee that further bottom first sail blade and the bottom second sail blade rotation are reliable, low, the long service life of rate of fault; The universal caster wheel bearing power is strong, rotates freely, and the sail resistance to motion is little, and the mechanical efficiency height guarantees that further wind power utilization is abundant.

Described first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel and the 4th sprocket wheel constitute by sprocket body and wear-resisting housing, the sprocket body structure adapts with the body structure of first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel and the 4th sprocket wheel respectively, wear-resisting housing is wrapped in the sprocket body periphery, and wear-resisting housing is connected by screw with sprocket body; Described sail axle and vertical columns top are provided with lightning conductor.High-abrasive material and removable structure are adopted in the position easy to wear of sprocket wheel, and at sail axle and vertical columns top lightning conductor are set, and can guarantee sail long service life and safe in utilization, and simultaneously, user cost is low.

Main movement process of the present utility model is, when the wind-receiving face of bottom sail blade is in transition point down with the wind, at this moment, bottom sail blade is positioned at the 3rd sprocket wheel place, its wind-receiving face and wind direction angle a are 0 °, bottom sail vacuum side of blade and bottom sail crossbeam front-end face angle β are 0 °, bottom sail blade rotates under the wind-force effect and promotes rotation of the 3rd sprocket wheel and the rotation of sail axle, its wind-receiving face and wind direction angle a are for increasing to 90 ° gradually, and move with the first chain straight line, after moving to the first sprocket wheel place and with first sprocket rotation, bottom sail blade and wind direction angle a increase to 180 ° gradually from 90 °, at this moment, bottom sail blade is in leeward transition point; Facining the wind between transition point and the leeward transition point at bottom sail blade, bottom sail vacuum side of blade is fitted on the leading flank of bottom sail crossbeam all the time, bottom sail blade pass is crossed bottom sail crossbeam, first chain, the 3rd sprocket wheel drive sail axle around generator input shaft rotational, several sail blades are pressed the said process wind-engaging successively, continue to drive the rotation of sail axle, realize the wind-power electricity generation purpose.When bottom sail blade turns over leeward transition point at the first sprocket wheel place, bottom sail blade begins gradually that the back side facings the wind and under the wind-force effect, when revolving round the sun with bottom sail crossbeam, around its rotation axis rotation that is connected with bottom sail crossbeam, and the wind-receiving face of bottom sail blade and wind direction angle a increase to greater than 180 ° gradually in the surface friction drag effect; When bottom sail blade rotated to set angle with first sprocket wheel, bottom sail blade overcame surface friction drag under the wind-force effect, and its wind-receiving face and wind direction angle a can be decreased to 0 ° again gradually; Simultaneously, the angle β of bottom sail vacuum side of blade and bottom sail crossbeam leading flank increases to gradually greater than 90 °; Bottom sail blade continues to rotate to bottom sail beam vertical when the wind direction with first sprocket wheel rotation, the angle β of sail vacuum side of blade and bottom sail crossbeam leading flank is decreased to 90 °, after bottom sail blade keeps this state continuance with the first chain movement straight line motion to the, three sprocket wheels, bottom sail blade and bottom sail crossbeam rotate with the 3rd sprocket wheel, the angle β of bottom sail vacuum side of blade and bottom sail crossbeam leading flank is decreased to 0 ° gradually from 90 °, at this moment, bottom sail blade get back to down with the wind transition point, so far finish a motion cycle.Because the upper strata sail direction blade of upper strata sail vane group is opposite with the bottom sail direction blade of bottom sail vane group, when the leading flank that facings the wind of bottom sail crossbeam and upper strata sail crossbeam is in the vertical plane of any one same position, be that the bottom sail blade of the upper strata sail direction blade of upper strata sail vane group and bottom sail vane group is when being in the vertical plane of any one same position, the wind-engaging of the wind-engaging of upper strata sail blade or leeward state and bottom sail blade or leeward opposite states, upper strata sail vane group is by upper strata sail crossbeam, second sprocket wheel, second chain, the 4th sprocket wheel and the gear drive that makes the 4th sprocket wheel and sail axle reverse rotation, continue to drive the sail axle around generator input shaft rotational with bottom sail blade, rotate thereby drive sail axle and generator input shaft, realize the wind-power electricity generation purpose.Simultaneously, bottom or sail blade are when being in leeward state, only have only the side of the side of bottom sail crossbeam or upper strata sail crossbeam and bottom or upper strata sail blade and cross beam and upright post or upper beam post wind-engaging and form minimum windage, it is minimum that sail blade windward side wind-engaging is formed the moment of rotation influence, thereby utilized wind-force to greatest extent.

The utility model beneficial effect compared with prior art is, wind resource, current material and manufacturing process utilization are abundant, and simple in structure, mechanical efficiency is high, safe in utilization, the life-span is long, is applicable to the large-scale and super-huge wind-driven generator of MW class.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described, but therefore the utility model is not limited among the described scope of embodiments.

Fig. 1 is the utility model embodiment 1 a structural representation axonometric drawing;

Fig. 2 is the utility model embodiment 1 a structural representation plan view;

Fig. 3 is the right elevation of the utility model Fig. 2;

Fig. 4 is the plan view of the utility model Fig. 2;

Fig. 5 is the A portion enlarged view among the utility model Fig. 2;

Fig. 6 is the B portion enlarged view among the utility model Fig. 2;

Fig. 7 is the C portion enlarged view among the utility model Fig. 2;

Fig. 8 is the D portion enlarged view among the utility model Fig. 2;

Fig. 9 is the E portion enlarged view among the utility model Fig. 2;

Figure 10 is the F portion enlarged view among the utility model Fig. 2;

Figure 11 is the General Construction signal axonometric drawing of each sprocket wheel in the utility model;

Figure 12 is the G portion enlarged view among the utility model Fig. 2;

Figure 13 is the General Construction signal axonometric drawing of sail framework in the utility model;

Figure 14 is the H portion enlarged view among the utility model Fig. 2;

Figure 15 is the M-M sectional view among the utility model Figure 14;

Figure 16 is the K portion enlarged view among the utility model Fig. 3;

Figure 17 is the N-N sectional view among the utility model Figure 16;

Figure 18 is the L portion enlarged view among the utility model Fig. 3;

Figure 19 is the P-P sectional view among the utility model Figure 18;

Figure 20 is the utility model embodiment 2 a structural representation plan view.

Embodiment

Embodiment 1 is referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of multilayer wind-power electricity generation sail, comprise the sail pedestal, be rotatably connected to a sail axle 1 that is connected with generator input end coaxial line on the sail pedestal, be connected with several sail blades that several vertically are provided with on the sail axle 1, several sail blades make sail axle 1 rotate continuously by same direction under the wind-force effect successively, described sail pedestal comprises the body transom 2 that can be supported on the rigid ground, body transom 2 upper fixed are connected with supporting base 3, supporting base 3 is provided with the through hole that is rotatably assorted with sail axle 1 outer cylinder surface, sail axle 1 rotational support is on supporting base 3, and supporting base 3 lower end surfaces are exposed in sail axle 1 lower end; Described sail blade comprises that one contains bottom sail vane group 4 and at least one upper strata sail vane group 5 that contains several upper strata sail blades of several bottom sail blades, bottom sail vane group 4 and upper strata sail vane group 5 shift to install in short transverse, and bottom sail blade movable supporting is on rigid ground.

Described bottom sail blade lower end is provided with at least two bottom sail pillars 32, bottom sail pillar 32 distributes along bottom sail width of blade direction, wherein two bottom sail pillars 32 are located at bottom sail blade two ends respectively, bottom sail pillar 32 lower ends are fixedly connected with universal caster wheel 26, and bottom sail blade is supported on the rigid ground by universal caster wheel 26.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 8, Fig. 9, described sail pedestal also is provided with middle standing pillar 21, vertical columns 6, vertical columns 6 is fixedly connected on body transom 2 left ends, middle standing pillar 21 is fixedly connected on body transom 2 right-hand members, middle standing pillar 21 left and right sides are equipped with at least two diagonal braces that are tilted to 23, the top of left side diagonal brace 23 is fixedly connected with fixed supporting seat 24, fixed supporting seat 24 is provided with the via hole that cooperates with vertical columns 6, and fixed supporting seat 24 is fixedlyed connected with vertical columns 6 by via hole; Described supporting base 3 is provided with at least two, and supporting base 3 is fixedly connected on the top of 21 two right side diagonal braces 23 of middle standing pillar respectively; Coaxial rotation is connected with first sprocket wheel 7 and second sprocket wheel 8 on the described vertical columns 6, first sprocket wheel 7 is positioned at second sprocket wheel, 8 belows, have setpoint distance between first sprocket wheel 7 and second sprocket wheel 8, second sprocket wheel 8 and first sprocket wheel, 7 difference rotational support are on the fixed supporting seat 24 in sail pedestal left side; Be fixedly connected with the 3rd sprocket wheel 9 on the described sail axle 1 and be rotatably connected to the 4th sprocket wheel 10, the 3rd sprocket wheel 9 is positioned at the 4th sprocket wheel 10 belows, distance between the 3rd sprocket wheel 9 and the 4th sprocket wheel 10 equates with distance between first sprocket wheel 7 and second sprocket wheel 8, the 3rd sprocket wheel 9 is identical apart from the vertical height of rigid ground with first sprocket wheel 7, the 3rd sprocket wheel 9 and the 4th sprocket wheel 10 difference rotational support are on sail pedestal right side supporting base 3, be connected with the gear drive that makes the 4th sprocket wheel 10 and sail axle 1 reverse rotation between the 4th sprocket wheel 10 and the sail axle 1, sail axle 1 is simultaneously by the 3rd sprocket wheel 9, the 4th sprocket wheel 10 and supporting base 3 are supported on the sail pedestal; Be engaged with between first chain, 11, the second sprocket wheels 8 and the 4th sprocket wheel 10 between described first sprocket wheel 7 and the 3rd sprocket wheel 9 and be engaged with second chain 12; Be fixedly connected with bottom sail crossbeam 13 on first chain 11, be fixedly connected with upper strata sail crossbeam 14 on second chain 12, upper strata sail crossbeam 14 and bottom sail crossbeam 13 all stretch out in the horizontal direction, upper strata sail crossbeam 14 and bottom sail crossbeam 13 are interspersed in the horizontal projection plane, the quantity of upper strata sail crossbeam 14 and bottom sail crossbeam 13 equates with upper strata sail blade and bottom sail blade quantity respectively, and uniform along first chain 11 and second chain, 12 length directions respectively; Described first sprocket wheel 7, second sprocket wheel 8, the 3rd sprocket wheel 9 are identical with the structural parameter of the 4th sprocket wheel 10 sprockets; 5 of described upper strata sail vane group are provided with one deck, the area of upper strata sail vane group 5 is less than bottom sail vane group 4 areas, the upper strata sail blade of the bottom sail blade of bottom sail vane group 4 and upper strata sail vane group 5 is rotatably connected on bottom sail crossbeam 13 and upper strata sail crossbeam 14 far-ends respectively, bottom sail blade and upper strata sail blade are when wind-receiving face facings the wind, its back side is corresponding respectively fits with bottom sail crossbeam 13 and the upper strata sail crossbeam 14 corresponding leading flanks that facing the wind, when the leading flank that facings the wind of bottom sail crossbeam 13 and upper strata sail crossbeam 14 was in the vertical plane of any one same position, both leading flank directions of facining the wind were opposite.

Referring to Fig. 5, described gear drive comprises the first awl fluted disc 15, the second awl fluted disc 16, pinion stand 17, four bevel planet gears 18, planet pin 19, pinion stand 17 cup-shaped structures, the first awl fluted disc 15 is coaxial to be fixedly connected on the bottom plane of cup-shaped cavity volume of pinion stand 17, the first awl fluted disc 15 and second is bored fluted disc 16 tooth depth sides in opposite directions, and the first awl fluted disc 15 and the second awl fluted disc, 16 numbers of teeth equate; Described planet pin 19 is the cross axle structure, planet pin 19 is fixedly connected on the cup-shaped cavity volume sidewall of pinion stand 17, planet pin 19 is between the first awl fluted disc 15 and the second awl fluted disc 16, bevel planet gear 18 coaxial rotation are engaged on the planet pin 19, bevel planet gear 18 meshes with the first awl fluted disc 15 and the second awl fluted disc 16 simultaneously, and bevel planet gear 18 is uniform at pinion stand 17 circumferencial directions; Described the 4th sprocket wheel 10 upper ends are provided with the counterbore that holds gear drive, and the pinion stand 17 of gear drive is fixedly connected on the bottom plane of the 4th sprocket wheel 10 counterbores; The middle part of described the 4th sprocket wheel 10, second awl fluted disc 16, pinion stand 17 and planet pin 19 is equipped with the perforation 20 that is used to pass sail axle 1, and sail axle 1 passes the 4th sprocket wheel 10 bottoms, pinion stand 17 lower ends, the first awl fluted disc 15 and planet pin 19 backs and the second awl fluted disc, 16 coaxial fixedlying connected from bottom to top successively in perforation 20; Described sail axle 1 also is supported on the 4th sprocket wheel 10 by the first awl fluted disc 15 of gear drive.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Figure 10, the quantity of described first sprocket wheel 7, second sprocket wheel 8, the 3rd sprocket wheel 9 and the 4th sprocket wheel 10 is two, and the sprocket phase angle correspondence of two first sprocket wheels 7, two second sprocket wheels 8, two the 3rd sprocket wheels 9 and two the 4th sprocket wheels 10 is identical; Described two first sprocket wheels 7 all are positioned at two second sprocket wheel 8 belows, are positioned at first sprocket wheel 7 of top and the second contiguous sprocket wheel 8 and have setpoint distance; Two the 3rd sprocket wheels 9 all are positioned at two the 4th sprocket wheel 10 belows, above the 3rd sprocket wheel 9 and the distance between contiguous the 4th sprocket wheel 10, equate with the setpoint distance of first sprocket wheel 7 that is positioned at the top with second sprocket wheel 8 of vicinity, be provided with equal spacing between two first sprocket wheels 7 and between two the 3rd sprocket wheels 9, be provided with equal spacing between two second sprocket wheels 8 and between two the 4th sprocket wheels 10; First sprocket wheel 7 that is positioned at the below equates that with the perpendicular distance of the 3rd sprocket wheel 9 that is positioned at the below apart from rigid ground second sprocket wheel 8 that is positioned at the below equates with the perpendicular distance of the 4th sprocket wheel 10 that is positioned at the below apart from rigid ground; The quantity of described first chain 11 and second chain 12 is two; The sail blade quantity of the quantity of described bottom sail crossbeam 13 and first chain 11 and bottom sail vane group 4 adapts, the bottom sail crossbeam 13 that is positioned at top first chain 11 and below first chain 11 is corresponding in twos, two corresponding bottom sail crossbeams 13 are overlapping in horizontal plane, be fixedly connected with cross beam and upright post 25 between two corresponding bottom sail crossbeams 13, cross beam and upright post 25 is positioned at the near-end of bottom sail crossbeam 13 near sail axle 1, cross beam and upright post 25 lower ends are connected with universal caster wheel 26, universal caster wheel 26 is supported on the rigid ground, and bottom sail vane group 4 is rotatably connected on two bottom sail crossbeams 13 simultaneously; The sail blade quantity of the quantity of described upper strata sail crossbeam 14 and second chain 12 and upper strata sail vane group 5 adapts, the upper strata sail crossbeam 14 that is positioned at top second chain 12 and below second chain 12 is corresponding in twos, two corresponding bottom sail crossbeams 13 are overlapping in horizontal plane, be connected with upper beam post 27 between two corresponding upper strata sail crossbeams 14, upper beam post 27 is positioned at the near-end of upper strata sail crossbeam 14 near sail axle 1, and upper strata sail vane group 5 is rotatably connected on two upper strata sail crossbeams 14 simultaneously; Described supporting base 3 and fixed supporting seat 24 are equipped with four, and four supporting bases 3 lay respectively at two the 3rd sprocket wheels 9 and two the 4th sprocket wheel 10 lower ends, and four fixed supporting seats 24 lay respectively at two first sprocket wheels 7 and two second sprocket wheel 8 lower ends; Under being equipped with and being tilted to, supporting base 3 and fixed supporting seat 24 be connected taper shank 36, connecting taper shank 36 extends to middle standing pillar 21 directions of sail pedestal, connect taper shank 36 and diagonal brace 23 is arranged by its male cone (strobilus masculinus) stationary fit, diagonal brace 23 is fixedlyed connected with middle standing pillar 21, also is provided with locking pin 37 in the male cone (strobilus masculinus) that connects taper shank 36 and the section of cooperation of diagonal brace 23.Middle standing pillar 21 left and right sides of described sail pedestal are fixedly connected with four diagonal braces that are tilted to 23 respectively, and the other end of diagonal brace 23 is fixedlyed connected with four fixed supporting seats 24 with four supporting bases 3 respectively.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Figure 10, Figure 12, the body transom 2 of described sail pedestal is provided with several rollers 33, roller 33 is along body transom 2 axial distribution, roller 33 is connected with body transom 2 coaxial rotation, be connected with rolling bearing 38 between roller 33 and the body transom 2, be provided with spacer 46 between the adjacent rolling bearing 38; The quantity that is provided with first horizontal brace, 34, the first horizontal braces 34 between described supporting base 3 and the middle standing pillar 21 equates with supporting base 3 quantity to fixedly connected with middle standing pillar 21 with supporting base 3 respectively in the two ends of first horizontal brace 34; Described supporting base 3 is provided with the horizontal taper shank 39 towards middle standing pillar 21, first horizontal brace, 34 1 ends are provided with the taper hole with horizontal taper shank 39 stationary fits, first horizontal brace, 34 taper holes are fixedlyed connected with supporting base 3, at the section of cooperation of first horizontal brace 34 and the horizontal taper shank 39 same lock 40 of stationary fit also, the other end that lock pin 40 radially runs through first

horizontal brace

34 and 39, the first horizontal braces 34 of horizontal taper shank is fixedlyed connected with middle standing pillar 21; Be provided with second horizontal brace 35 between described fixed supporting seat 24 and the middle standing pillar 21, the quantity of second horizontal brace 35 equates with fixed supporting seat 24 quantity, fixedly connected with middle standing pillar 21 with fixed supporting seat 24 respectively in the two ends of second horizontal brace 35, second horizontal brace 35 is identical with the Placement of supporting base 3 with first horizontal brace 34 with the Placement of fixed supporting seat 24.

Referring to Fig. 5, Fig. 7, described supporting base 3 upper ends are provided with end face bearing 28, end face bearing 28 comprises ring raceway 282, bearing upper gasket 283, several rolling steel balls 281, ring raceway 282 is embedded in supporting base 3 tops, rolling steel balls 281 is distributed in the ring raceway 282, bearing upper gasket 283 is supported on, on the rolling steel balls 281, bearing upper gasket 283 is fixedly connected on the 3rd sprocket wheel 9, on the 4th sprocket wheel 10 lower end surfaces, rolling steel balls 281 tops also are connected with and make the ball retainer 284 that keeps setpoint distance between the adjacent rolling steel balls 281, and ball retainer 284 is positioned at bearing upper gasket 283 belows; Also be provided with bearing needle bearing 29 in the supporting base 3, bearing needle bearing 29 is positioned at sail axle 1 periphery, and sail axle 1 is connected with supporting base 3 coaxial rotation by bearing needle bearing 29; Bearing needle bearing 29 comprises bearing outer ring 292, bearing inner race 293, several needle rollers 291, bearing inner race 293 stationary fits are in sail axle 1 periphery, bearing inner race 293 is embedded in the supporting base 3, needle roller 291 is distributed between bearing outer ring 292 and the bearing inner race 293, needle roller 291 rolls with bearing inner race 293 with bearing outer ring 292 simultaneously and is connected, also be connected with on the needle roller 291 and make adjacent needle roller 291 keep the cages for needle of setpoint distance, the cages for needle lower end is bearing on the lower end surface in the hole that holds bearing needle bearing 29 that supporting base 3 is provided with, and supporting base 3 lower ends also are fixedly connected with dust cover 294; Described end face bearing 28 lays respectively at the 3rd sprocket wheel 9, the 4th sprocket wheel 10 belows, and the 3rd sprocket wheel 9 and the 4th sprocket wheel 10 pass through end face bearing 28 rotational support respectively on supporting base 3.

Referring to Fig. 6, described fixed supporting seat 24 upper ends are provided with the second end face bearing 30, the second end face bearing 30 lays respectively at first sprocket wheel 7 or the 3rd sprocket wheel 9 belows, and first sprocket wheel 7 and second sprocket wheel 8 pass through the second end face bearing, 30 rotational support respectively on fixed supporting seat 24; The second end face bearing 30 comprises second ring raceway 302, second ring washer 303, several second steel balls 301, second ring raceway 302 is embedded in fixed supporting seat 24 tops, second steel ball 301 is distributed in second ring raceway 302, second ring washer 303 is bearing on second steel ball 301, and second ring washer 303 is fixedlyed connected with the lower end surface of first sprocket wheel 7 or second sprocket wheel 8 respectively; Described first sprocket wheel 7 is identical with second sprocket wheel, 8 structures, first sprocket wheel 7 and second sprocket wheel 8 are provided with chain outer ring and roll assembly 31 in all, chain outer ring and roll assembly 31 is positioned at vertical columns 6 peripheries, and first sprocket wheel 7 is fixedlyed connected with vertical columns 6 by chain outer ring and roll assembly 31 respectively with second sprocket wheel 8; Described chain outer ring and roll assembly 31 comprises sprocket wheel needle roller inner ring 312, sprocket wheel needle roller outer ring 313, several sprocket wheel needle rollers 311,312 stationary fits of sprocket wheel needle roller inner ring are in vertical columns 6 peripheries, sprocket wheel needle roller inner ring 312 is embedded in first sprocket wheel 7 or second sprocket wheel 8, several sprocket wheel needle rollers 311 are distributed between sprocket wheel needle roller inner ring 312 and the sprocket wheel needle roller outer ring 313, sprocket wheel needle roller 311 rolls with sprocket wheel needle roller outer ring 313 with sprocket wheel needle roller inner ring 312 simultaneously and is connected, also be connected with the cages for needle that makes adjacent sprocket wheel needle roller 311 maintenance setpoint distances on the sprocket wheel needle roller 311, the cages for needle lower end is bearing in second ring washer, 303 upper-end surfaces of the second end face bearing 30.

Referring to Fig. 4, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, Figure 19, the bottom sail blade of described bottom sail vane group 4 is made up of bottom first sail blade 41 and the bottom second sail blade 42, the bottom first sail blade 41 is rotatably connected on bottom sail crossbeam 13 far-ends, the bottom second sail blade 42 is rotatably connected on bottom sail crossbeam 13 middle parts, the bottom first sail blade 41 is identical with the bottom second sail blade 42 structures, and the area of the bottom first sail blade 41 is less than the bottom second sail blade 42 areas; The described bottom first sail blade 41 is identical plate frame structure with the bottom second sail blade 42, comprises sail framework 71, windsurfing 72, and windsurfing 72 is fixedly connected on the sail framework 71; Sail framework 71 comprises the upright of frame 711 that is located at both sides and is fixedly connected on cruciform bracing 712 between the upright of frame 711, upright of frame 711 peripheries that are located at the right side fixedly are connected to two sleeve pipes 713, two sleeve pipes 713 adapt with two bottom sail crossbeam 13 positions of sail axle 1 respectively, be fixedly connected with U-shaped fork 714 on the sleeve pipe 713, distance between the two side interior edge face of U-shaped fork 714 is greater than bottom sail crossbeam 13 height, the upper side wall of the U-groove bevel of U-shaped fork 714 is provided with the through hole with right side frame column 711 Spielpassung, and the upper side wall of the U-groove bevel of U-shaped fork 714 is provided with the via hole that the outer surface with sleeve pipe 713 adapts; Described two bottom sail crossbeams 13 are provided with via hole 13a, the via hole 13a coaxial line of two bottom sail crossbeams 13, sleeve pipe 713 Spielpassung on via hole 13a and the upright of frame 711, the part of bottom sail crossbeam 13 is positioned at the U-groove bevel of U-shaped fork 714, also be connected with the sail bearing between bottom sail crossbeam 13 and the U-shaped fork 714, sail framework 71 is rotationally connected with two bottom sail crossbeams 13 respectively by U-shaped fork 714 and sail bearing; Described sail framework 71 also is provided with a framework center pillar 715, framework center pillar 715 is fixedlyed connected with all cruciform bracings 712 on the sail framework 71 respectively, described bottom sail pillar 32 is fixedly connected on sail framework 71 lower end surfaces, bottom sail pillar 32 is provided with three, wherein two bottom sail pillars 32 respectively with upright of frame 711 coaxial lines, another bottom sail pillar 32 and framework center pillar 715 coaxial lines; The upright of frame 711 in described sail framework 71 left sides is provided with bending section 711a, avoid the bottom first sail blade 41 when wind-receiving face facings the wind and the U-shaped of the second sail blade 42 fork 714 produce and interfere, guarantee that the maximum and second sail blade 42 of the useful area of the first sail blade 41 is when wind-receiving face facings the wind, the upright of frame 711 in sail framework 71 left sides is fitted well along axis with cross beam and upright post 25, guarantees that the second sail blade 42 has enough support strengths.Described sail framework 71 also is provided with framework diagonal brace 716, and framework diagonal brace 716 is fixedly connected between the cruciform bracing 712 of sail framework 71, and framework diagonal brace 716 forms the Mi Zixing skeletons with framework center pillar 715 and the cruciform bracing 712 that is positioned at sail framework 71 middle parts; Described upright of frame 711 is the tapered tubular structure, sleeve pipe 713 is for waiting interior external taper pipe of wall thickness, the male cone (strobilus masculinus) drive fit of the internal taper hole of sleeve pipe 713 and upright of frame 711 corresponding sites, between sleeve pipe 713 and upright of frame 711, traversed fixing pin 73, the via hole 13a that is provided with on bottom sail crossbeam 13 is the taper hole that adapts with sleeve pipe 713 male cone (strobilus masculinus)s, and U-shaped fork 714 through holes that are provided with are the taper hole that adapts with the upright of frame 711 corresponding site conical surfaces.Described sail bearing is made up of upper bearing (metal) 81 and lower bearing 82; Upper bearing (metal) 81 is provided with bearing race 811, bearing race 811 is embedded in two bottom sail crossbeam 13 upper ends, bearing race 811 is provided with several steel balls 812, steel ball 812 tops are provided with the retainer 813 that makes each steel ball 812 keep setpoint distance, the upper-end surface of retainer 813 is lower than steel ball 812 end faces, steel ball 812 end faces are supported with billet 814, and billet 814 is embedded in the U-shaped upper arm inboard of U-shaped fork 714; Described lower bearing 82 is provided with lower bearing raceway 821, lower bearing raceway 821 is embedded in the U-shaped underarm inboard of U-shaped fork 714, be provided with steel ball 822 in the lower bearing raceway 821, steel ball 822 tops are provided with the ball retainer 823 that makes each steel ball 812 keep setpoint distance, the upper-end surface of ball retainer 823 is lower than steel ball 822 end faces, steel ball 822 end faces are supported with backing plate 824, and backing plate 824 is embedded in bottom sail crossbeam 13 lower ends; Described universal caster wheel 26 comprises load-bearing steel ball 261, upper ball base 262, lower ball base 263, upper ball base 262 and lower ball base 263 are equipped with inner ball surface, the same centre of sphere of the inner ball surface of upper ball base 262 and lower ball base 263, upper ball base 262 and lower ball base 263 are bolted to connection, the inner ball surface of upper ball base 262 is complete hemisphere faces, the inner sphere radius of upper ball base 262 is greater than load-bearing steel ball 261 radiuses, be evenly equipped with several little steel balls 264 in the inner ball surface of upper ball base 262, upper ball base 262 rolls with the centre of sphere with load-bearing steel ball 261 by little steel ball 264 and is connected; The inner ball surface of described lower ball base 263 is hemispherical parts, the height of lower ball base 263 is less than load-bearing steel ball 261 radiuses, the radius of lower ball base 263 inner ball surface and load-bearing steel ball 261 radiuses adapt, and lower ball base 263 is rotationally connected by its inner ball surface and load-bearing steel ball 261; Described upper ball base 262 tops also are fixedly connected with transition disc 265, and universal caster wheel 26 is fixedlyed connected with the lower end of bottom sail pillar 32 or cross beam and upright post 25 respectively by transition disc 265; The upper strata sail blade of described upper strata sail vane group 5 is made up of upper strata first sail blade 51 and the upper strata second sail blade 52, the upper strata first sail blade 51 is rotatably connected on upper strata sail crossbeam 14 far-ends, the upper strata second sail blade 52 is rotatably connected on sail crossbeam 14 middle parts, upper strata, and the area of the upper strata first sail blade 51 is less than the upper strata second sail blade, 52 areas; The described upper strata first sail blade 51 is identical with the structure of aforesaid bottom first sail blade 41 or the bottom second sail blade 42 with the upper strata second sail blade 52; Described upper strata sail crossbeam 14 is provided with via hole 14a, the via hole 14a coaxial line of two upper strata sail crossbeams 14, sleeve pipe 713 Spielpassung on via hole 14a and the upright of frame 711, the part of upper strata sail crossbeam 14 is positioned at the U-groove bevel of U-shaped fork 714, also be connected with upper strata sail vane end faces bearing between upper strata sail crossbeam 14 and the U-shaped fork 714, upper strata sail vane end faces bearing structure is identical with upper bearing (metal) 81 structures of sail bearing; Sail framework 71 is rotationally connected with two upper strata sail crossbeams 14 respectively by U-shaped fork 714 and upper strata sail vane end faces bearing.

Referring to Fig. 1, Fig. 2, Figure 11, described first sprocket wheel 7, second sprocket wheel 8, the 3rd sprocket wheel 9 and the 4th sprocket wheel 10 constitute by sprocket body 93 and wear-resisting housing 92, sprocket body 93 structures adapt with the body structure of first sprocket wheel 7, second sprocket wheel 8, the 3rd sprocket wheel 9 and the 4th sprocket wheel 10 respectively, wear-resisting housing 92 is wrapped in sprocket body 93 peripheries, and wear-resisting housing 92 and sprocket body 93 are connected by screw; Described sail axle 1 and vertical columns 6 tops are provided with lightning conductor 91.

Embodiment 2 is referring to Figure 20, and described bottom sail blade and upper strata sail blade quantity are 4, and 4 bottom sail blades and upper strata sail blade evenly distribute along the length direction of first chain 11 and second chain 12 respectively.

All the other structures of present embodiment are identical with embodiment 1, do not repeat them here.

Though more than combine accompanying drawing and described mode of execution of the present utility model, but those of ordinary skill in the art can recognize also in the scope to claims and make various variations or modification that these modifications and variations are interpreted as within scope of the present utility model and intention.

Claims

1. multilayer wind-power electricity generation sail, comprise the sail pedestal, be rotatably connected to a sail axle (1) that is connected with generator input end coaxial line on the sail pedestal, be connected with several sail blades that several vertically are provided with on the sail axle (1), several sail blades make sail axle (1) rotate continuously by same direction under the wind-force effect successively, it is characterized in that: described sail pedestal comprises the body transom (2) that can be supported on the rigid ground, body transom (2) upper fixed is connected with supporting base (3), supporting base (3) is provided with the through hole that is rotatably assorted with sail axle (1) outer cylinder surface, sail axle (1) rotational support is on supporting base (3), and supporting base (3) lower end surface is exposed in sail axle (1) lower end; Described sail blade comprises that one contains bottom sail vane group (4) and at least one upper strata sail vane group (5) that contains several upper strata sail blades of several bottom sail blades, bottom sail vane group (4) and upper strata sail vane group (5) shift to install in short transverse, and bottom sail blade movable supporting is on rigid ground.

2. multilayer wind-power electricity generation sail according to claim 1, it is characterized in that: described bottom sail blade lower end is provided with at least two bottom sail pillars (32), bottom sail pillar (32) distributes along bottom sail vane group (4) width direction, wherein two bottom sail pillars (32) are located at bottom sail blade two ends respectively, bottom sail pillar (32) lower end is fixedly connected with universal caster wheel (26), and bottom sail blade is supported on the rigid ground by universal caster wheel (26).

3. multilayer wind-power electricity generation sail according to claim 1 and 2, it is characterized in that: described sail pedestal also is provided with middle standing pillar (21), vertical columns (6), vertical columns (6) is fixedly connected on body transom (2) left end, middle standing pillar (21) is fixedly connected on body transom (2) right-hand member, middle standing pillar (21) left and right sides is equipped with at least two diagonal braces that are tilted to (23), the top of left side diagonal brace (23) is fixedly connected with fixed supporting seat (24), fixed supporting seat (24) is provided with the via hole that cooperates with vertical columns (6), and fixed supporting seat (24) is fixedlyed connected with vertical columns (6) by via hole; Described supporting base (3) is provided with at least two, and supporting base (3) is fixedly connected on the top of (21) two right side diagonal braces of middle standing pillar (23) respectively; Described vertical columns (6) is gone up coaxial rotation and is connected with first sprocket wheel (7) and second sprocket wheel (8), first sprocket wheel (7) is positioned at second sprocket wheel (8) below, have setpoint distance between first sprocket wheel (7) and second sprocket wheel (8), second sprocket wheel (8) and first sprocket wheel (7) difference rotational support are on the fixed supporting seat (24) in sail pedestal left side; Be fixedly connected with the 3rd sprocket wheel (9) on the described sail axle (1) and be rotatably connected to the 4th sprocket wheel (10), the 3rd sprocket wheel (9) is positioned at the 4th sprocket wheel (10) below, distance between the 3rd sprocket wheel (9) and the 4th sprocket wheel (10) equates with distance between first sprocket wheel (7) and second sprocket wheel (8), the 3rd sprocket wheel (9) is identical apart from the vertical height of rigid ground with first sprocket wheel (7), the 3rd sprocket wheel (9) and the 4th sprocket wheel (10) difference rotational support are on sail pedestal right side supporting base (3), be connected with the gear drive that makes the 4th sprocket wheel (10) and sail axle (1) reverse rotation between the 4th sprocket wheel (10) and the sail axle (1), sail axle (1) is simultaneously by the 3rd sprocket wheel (9), the 4th sprocket wheel (10) and supporting base (3) are supported on the sail pedestal; Be engaged with first chain (11) between described first sprocket wheel (7) and the 3rd sprocket wheel (9), be engaged with second chain (12) between second sprocket wheel (8) and the 4th sprocket wheel (10); Be fixedly connected with bottom sail crossbeam (13) on first chain (11), be fixedly connected with upper strata sail crossbeam (14) on second chain (12), upper strata sail crossbeam (14) and bottom sail crossbeam (13) all stretch out in the horizontal direction, upper strata sail crossbeam (14) and bottom sail crossbeam (13) are interspersed in the horizontal projection plane, and upper strata sail crossbeam (14) and bottom sail crossbeam (13) quantity equate with the upper strata sail blade and bottom sail vane group (4) the bottom sail blade quantity of upper strata sail vane group (5) respectively; Described first sprocket wheel (7), second sprocket wheel (8), the 3rd sprocket wheel (9) are identical with the structural parameter of the 4th sprocket wheel (10) sprocket; Described upper strata sail vane group (5) only is provided with one deck, the area of upper strata sail vane group (5) is less than bottom sail vane group (4) area, the upper strata sail blade of the bottom sail blade of bottom sail vane group (4) and upper strata sail vane group (5) is rotatably connected on bottom sail crossbeam (13) and upper strata sail crossbeam (14) far-end respectively, bottom sail blade and upper strata sail blade are when wind-receiving face facings the wind, its back side corresponding respectively and bottom sail crossbeam (13) and upper strata sail crossbeam (14) leading flank applying down with the wind accordingly, when the leading flank that facings the wind of bottom sail crossbeam (13) and upper strata sail crossbeam (14) was in the vertical plane of any one same position, both leading flank directions of facining the wind were opposite; Described bottom sail blade and upper strata sail blade quantity are 3 or 4.

4. multilayer wind-power electricity generation sail according to claim 3, it is characterized in that: described gear drive comprises the first awl fluted disc (15), the second awl fluted disc (16), pinion stand (17), at least two bevel planet gears (18), planet pin (19), the cup-shaped structure of pinion stand (17), on the bottom plane of the coaxial cup-shaped cavity volume that is fixedly connected on pinion stand (17) of the first awl fluted disc (15), the first awl fluted disc (15) and second is bored fluted disc (16) tooth depth side in opposite directions, and the first awl fluted disc (15) and second awl fluted disc (16) number of teeth equate; Described planet pin (19) is fixedly connected on the sidewall of pinion stand (17) cup-shaped cavity volume, planet pin (19) is positioned between the first awl fluted disc (15) and the second awl fluted disc (16), bevel planet gear (18) coaxial rotation is engaged on the planet pin (19), bevel planet gear (18) meshes with the first awl fluted disc (15) and the second awl fluted disc (16) simultaneously, and bevel planet gear (18) is uniform at pinion stand (17) circumferencial direction; Described the 4th sprocket wheel (10) upper end is provided with the counterbore that holds gear drive, and the pinion stand of gear drive (17) is fixedly connected on the bottom plane of the 4th sprocket wheel (10) counterbore; The middle part of described the 4th sprocket wheel (10), second awl fluted disc (16), pinion stand (17) and planet pin (19) is equipped with the perforation (20) that is used to pass sail axle (1), and sail axle (1) passes the 4th sprocket wheel (10) bottom, pinion stand (17) lower end, the first awl fluted disc (15) and planet pin (19) back and coaxial the fixedlying connected of the second awl fluted disc (16) from bottom to top successively in perforation (20); Described sail axle (1) also is supported on the 4th sprocket wheel (10) by the first awl fluted disc (15) of gear drive.

5. multilayer wind-power electricity generation sail according to claim 3, it is characterized in that: the quantity of described first sprocket wheel (7), second sprocket wheel (8), the 3rd sprocket wheel (9) and the 4th sprocket wheel (10) is two, and the sprocket phase angle correspondence of two first sprocket wheels (7), two second sprocket wheels (8), two the 3rd sprocket wheels (9) and two the 4th sprocket wheels (10) is identical; Described two first sprocket wheels (7) all are positioned at two second sprocket wheels (8) below, are positioned at first sprocket wheel (7) of top and contiguous second sprocket wheel (8) and have setpoint distance; Two the 3rd sprocket wheels (9) all are positioned at two the 4th sprocket wheels (10) below, distance between the 4th sprocket wheel (10) of the 3rd sprocket wheel (9) above being positioned at and vicinity, equate with the setpoint distance of first sprocket wheel (7) that is positioned at the top with second sprocket wheel (8) of vicinity, be provided with equal spacing between two first sprocket wheels (7) and between two the 3rd sprocket wheels (9), be provided with equal spacing between two second sprocket wheels (8) and between two the 4th sprocket wheels (10); First sprocket wheel (7) that is positioned at the below equates that with the perpendicular distance of the 3rd sprocket wheel (9) that is positioned at the below apart from rigid ground second sprocket wheel (8) that is positioned at the below equates with the perpendicular distance of the 4th sprocket wheel (10) that is positioned at the below apart from rigid ground; The quantity of described first chain (11) and second chain (12) is two; The sail blade quantity of the quantity of described bottom sail crossbeam (13) and first chain (11) and bottom sail vane group (4) adapts, the bottom sail crossbeam (13) that is positioned at top first chain (11) and below first chain (11) is corresponding in twos, corresponding two bottom sail crossbeams (13) are overlapping in horizontal plane, be fixedly connected with cross beam and upright post (25) between corresponding two bottom sail crossbeams (13), cross beam and upright post (25) is positioned at the near-end of bottom sail crossbeam (13) near sail axle (1), cross beam and upright post (25) lower end is connected with universal caster wheel (26), universal caster wheel (26) is supported on the rigid ground, and bottom sail vane group (4) is rotatably connected on two bottom sail crossbeams (13) simultaneously; The sail blade quantity of the quantity of described upper strata sail crossbeam (14) and second chain (12) and upper strata sail vane group (5) adapts, the upper strata sail crossbeam (14) that is positioned at top second chain (12) and below second chain (12) is corresponding in twos, corresponding two bottom sail crossbeams (13) are overlapping in horizontal plane, be connected with upper beam post (27) between corresponding two upper strata sail crossbeams (14), upper beam post (27) is positioned at the near-end of upper strata sail crossbeam (14) near sail axle (1), and upper strata sail vane group (5) is rotatably connected on two upper strata sail crossbeams (14) simultaneously; Described supporting base (3) and fixed supporting seat (24) are equipped with four, four supporting bases (3) lay respectively at two the 3rd sprocket wheels (9) and two the 4th sprocket wheels (10) lower end, and four fixed supporting seats (24) lay respectively at two first sprocket wheels (7) and two second sprocket wheels (8) lower end; The middle standing pillar of described sail pedestal (21) left and right sides is fixedly connected with four diagonal braces that are tilted to (23) respectively, and the other end of diagonal brace (23) is fixedlyed connected with four fixed supporting seats (24) with four supporting bases (3) respectively.

6. multilayer wind-power electricity generation sail according to claim 3, it is characterized in that: the body transom of described sail pedestal (2) is provided with several rollers (33), roller (33) is along body transom (2) axial distribution, and roller (33) is connected with body transom (2) coaxial rotation; Be provided with first horizontal brace (34) between described supporting base (3) and the middle standing pillar (21), the quantity of first horizontal brace (34) equates with supporting base (3) quantity to fixedly connected with middle standing pillar (21) with supporting base (3) respectively in the two ends of first horizontal brace (34); Be provided with second horizontal brace (35) between described fixed supporting seat (24) and the middle standing pillar (21), the quantity of second horizontal brace (35) equates with fixed supporting seat (24) quantity to fixedly connected with middle standing pillar (21) with fixed supporting seat (24) respectively in the two ends of second horizontal brace (35).

7. multilayer wind-power electricity generation sail according to claim 3, it is characterized in that: described supporting base (3) upper end is provided with end face bearing (28), also be provided with bearing needle bearing (29) in the supporting base (3), bearing needle bearing (29) is positioned at sail axle (1) periphery, and sail axle (1) is connected with supporting base (3) coaxial rotation by bearing needle bearing (29); Described end face bearing (28) lays respectively at the 3rd sprocket wheel (9), the 4th sprocket wheel (10) below, and the 3rd sprocket wheel (9) and the 4th sprocket wheel (10) pass through end face bearing (28) rotational support respectively on supporting base (3).

8. multilayer wind-power electricity generation sail according to claim 3, it is characterized in that: described fixed supporting seat (24) upper end is provided with the second end face bearing (30), the second end face bearing (30) lays respectively at first sprocket wheel (7) or the 3rd sprocket wheel (9) below, and first sprocket wheel (7) and second sprocket wheel (8) pass through second end face bearing (30) rotational support respectively on fixed supporting seat (24); Described first sprocket wheel (7) is identical with second sprocket wheel (8) structure, be provided with chain outer ring and roll assembly (31) in first sprocket wheel (7) and second sprocket wheel (8) are equal, chain outer ring and roll assembly (31) is positioned at vertical columns (6) periphery, and first sprocket wheel (7) is fixedlyed connected with vertical columns (6) by chain outer ring and roll assembly (31) respectively with second sprocket wheel (8).

9. multilayer wind-power electricity generation sail according to claim 5, it is characterized in that: the bottom sail blade of described bottom sail vane group (4) is made up of bottom first sail blade (41) and the bottom second sail blade (42), the bottom first sail blade (41) is rotatably connected on bottom sail crossbeam (13) far-end, the bottom second sail blade (42) is rotatably connected on bottom sail crossbeam (13) middle part, the bottom first sail blade (41) is identical with bottom second sail blade (42) structure, and the area of the bottom first sail blade (41) is less than bottom second sail blade (42) area; The described bottom first sail blade (41) is identical plate frame structure with the bottom second sail blade (42), comprises sail framework (71), windsurfing (72), and windsurfing (72) is fixedly connected on the sail framework (71); Sail framework (71) comprises the upright of frame (711) that is located at both sides and is fixedly connected on cruciform bracing (712) between the upright of frame (711), upright of frame (711) periphery that is located at the right side fixedly is connected to two sleeve pipes (713), two sleeve pipes (713) adapt with two bottom sail crossbeams (13) position of sail axle (1) respectively, be fixedly connected with U-shaped fork (714) on the sleeve pipe (713), distance between the two side interior edge face of U-shaped fork (714) greater than bottom sail crossbeam (13) highly, the upper side wall of the U-groove bevel of U-shaped fork (714) is provided with the through hole with right side frame column (711) Spielpassung, and the upper side wall of the U-groove bevel of U-shaped fork (714) is provided with the via hole that the outer surface with sleeve pipe (713) adapts; Described two bottom sail crossbeams (13) are provided with via hole (13a), via hole (13a) coaxial line of two bottom sail crossbeams (13), sleeve pipe (713) Spielpassung on via hole (13a) and the upright of frame (711), the part of bottom sail crossbeam (13) is positioned at the U-groove bevel of U-shaped fork (714), also be connected with the sail bearing between bottom sail crossbeam (13) and the U-shaped fork (714), sail framework (71) is rotationally connected with two bottom sail crossbeams (13) respectively by U-shaped fork (714) and sail bearing; Described sail framework (71) also is provided with at least one framework center pillar (715), framework center pillar (715) is fixedlyed connected with all cruciform bracings (712) on the sail framework (71) respectively, described bottom sail pillar (32) is fixedly connected on sail framework (71) lower end surface, bottom sail pillar (32) is provided with three, wherein two bottom sail pillars (32) respectively with upright of frame (711) coaxial line, another bottom sail pillar (32) and framework center pillar (715) coaxial line; Described sail framework (71) also is provided with framework diagonal brace (716), framework diagonal brace (716) is fixedly connected between the cruciform bracing (712) of sail framework (71), framework diagonal brace (716) and framework center pillar (715) and be positioned at cruciform bracing (712) the formation Mi Zixing skeleton at sail framework (71) middle part; Described sail bearing is made up of upper bearing (metal) (81) and lower bearing (82); Upper bearing (metal) (81) is provided with bearing race (811), bearing race (811) is embedded in two bottom sail crossbeams (13) upper end, bearing race (811) is provided with several steel balls (812), steel ball (812) top is provided with the retainer (813) that makes each steel ball (812) keep setpoint distance, the upper-end surface of retainer (813) is lower than steel ball (812) end face, steel ball (812) end face is supported with billet (814), and billet (814) is embedded in the U-shaped upper arm inboard of U-shaped fork (714); Described lower bearing (82) is provided with lower bearing raceway (821), lower bearing raceway (821) is embedded in the U-shaped underarm inboard of U-shaped fork (714), be provided with steel ball (822) in the lower bearing raceway (821), steel ball (822) top is provided with the ball retainer (823) that makes each steel ball (812) keep setpoint distance, the upper-end surface of ball retainer (823) is lower than steel ball (822) end face, steel ball (822) end face is supported with backing plate (824), and backing plate (824) is embedded in bottom sail crossbeam (13) lower end; Described universal caster wheel (26) comprises load-bearing steel ball (261), upper ball base (262), lower ball base (263), upper ball base (262) and lower ball base (263) are equipped with inner ball surface, the same centre of sphere of inner ball surface of upper ball base (262) and lower ball base (263), upper ball base (262) and lower ball base (263) are bolted to connection, the inner ball surface of upper ball base (262) is complete hemisphere face, the inner sphere radius of upper ball base (262) is greater than load-bearing steel ball (261) radius, be evenly equipped with several little steel balls (264) in the inner ball surface of upper ball base (262), upper ball base (262) rolls with the centre of sphere with load-bearing steel ball (261) by little steel ball (264) and is connected; The inner ball surface of described lower ball base (263) is a hemispherical part, the height of lower ball base (263) is less than load-bearing steel ball (261) radius, the radius of lower ball base (263) inner ball surface and load-bearing steel ball (261) radius adapt, and lower ball base (263) is rotationally connected by its inner ball surface and load-bearing steel ball (261); Described upper ball base (262) top also is fixedly connected with transition disc (265), and universal caster wheel (226) is fixedlyed connected with the lower end of bottom sail pillar (32) or cross beam and upright post (25) respectively by transition disc (265); The upper strata sail blade of described upper strata sail vane group (5) is made up of upper strata first sail blade (51) and the upper strata second sail blade (52), the upper strata first sail blade (51) is rotatably connected on upper strata sail crossbeam (14) far-end, the upper strata second sail blade (52) is rotatably connected on upper strata sail crossbeam (14) middle part, and the area of the upper strata first sail blade (51) is less than upper strata second sail blade (52) area; The described upper strata first sail blade (51) is identical with the structure of aforesaid bottom first sail blade (41) or the bottom second sail blade (42) with the upper strata second sail blade (52); Described upper strata sail crossbeam (14) is provided with via hole (14a), via hole (14a) coaxial line of two upper strata sail crossbeams (14), sleeve pipe (713) Spielpassung on via hole (14a) and the upright of frame (711), the part of upper strata sail crossbeam (14) is positioned at the U-groove bevel of U-shaped fork (714), also be connected with upper strata sail vane end faces bearing between upper strata sail crossbeam (14) and the U-shaped fork (714), upper strata sail vane end faces bearing structure is identical with upper bearing (metal) (81) structure of sail bearing; Sail framework (71) is rotationally connected with two upper strata sail crossbeams (14) respectively by U-shaped fork (714) and upper strata sail vane end faces bearing.

10. multilayer wind-power electricity generation sail according to claim 5, it is characterized in that: described first sprocket wheel (7), second sprocket wheel (8), the 3rd sprocket wheel (9) and the 4th sprocket wheel (10) constitute by sprocket body (93) and wear-resisting housing (92), sprocket body (93) structure adapts with the body structure of first sprocket wheel (7), second sprocket wheel (8), the 3rd sprocket wheel (9) and the 4th sprocket wheel (10) respectively, wear-resisting housing (92) is wrapped in sprocket body (93) periphery, and wear-resisting housing (92) is connected by screw with sprocket body (93); Described sail axle (1) and vertical columns (6) top are provided with lightning conductor (91).