CN104747379B

CN104747379B - Horizontal rotation type wind driven generator device

Info

Publication number: CN104747379B
Application number: CN201510083223.3A
Authority: CN
Inventors: 丁思华; 丁锦良
Original assignee: Lianyungang Giant Bedrock Geotechnical Engineering Co ltd
Current assignee: Lianyungang Giant Bedrock Geotechnical Engineering Co ltd
Priority date: 2015-02-10
Filing date: 2015-02-10
Publication date: 2023-05-30
Anticipated expiration: 2035-02-10
Also published as: CN104747379A

Abstract

The invention relates to a horizontal rotary wind driven generator device which comprises a vertical tower, a vertical shaft generator, at least three horizontal rotary impellers, a transmission system, a control system and the like, wherein the horizontal rotary impellers are radially and equally arranged. The tower, the impeller and the generator are combined into a whole in a triaxial manner, and the vertical shaft generator is arranged at the inner top of the vertical tower. The stiffening ribs at the end parts of the impellers are fixed on the annular horizontal turntables, and the annular horizontal turntables synchronously rotate around the central shaft of the tower drum, so that the wind can be received in all directions. The upper and lower ends of the adjacent horizontal rotating impellers are fastened by horizontal and vertical steel cable scissors to form a rigid impeller. The invention utilizes the strength of the tower, and the vertical shaft generator and the horizontal rotary impeller are respectively lifted or lowered inside and outside the tower, thereby being convenient for installation and maintenance. Because the concentric circles are formed, additional stress such as bending moment and shearing force caused by eccentricity is greatly reduced, all dynamic and static loads are vertically and directly transferred to the tower foundation along the gravity center, the additional stress is greatly reduced, and the risks caused by tower overturning and equipment damage are effectively avoided.

Description

Horizontal rotation type wind driven generator device

Technical Field

The invention relates to a wind power generation device, in particular to a method for manufacturing, installing and overhauling a horizontal rotary wind power generator.

Background

In the field of new energy, wind power generation is increasingly paid attention to as green and effective clean energy. In the prior art, the impeller of the wind driven generator is vertical to the ground, the wind driven generator works in windward, the rotation diameter is large, strong wind does not generate electricity, weak wind does not rotate, the installation difficulty is large, the occupied area is large, the engineering cost is high, the maintenance cost is high, and the application range is limited. Particularly under the action of wind power, the additional bending moment and shearing force of the tower foundation caused by eccentric load are overlarge, and serious consequences such as tower overturning and equipment damage can be caused. In order to avoid risks, a method for increasing the structural safety coefficient is often adopted for prevention. The larger the power requirement is, the higher the design construction and installation quality requirements on a single unit are, the more the investment is increased, and the more the application range is restricted. Therefore, the wind driven generator needs to be provided with a manufacturing, installing and overhauling method which is more advanced, reasonable in process and wide in application range.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the impeller which horizontally rotates and has large windward area and omnibearing windward effect; the horizontal rotating impeller, the generator and the tower cylinder are integrated, so that the structure is stable, and the load transmission path is simple; the generator and the impeller are lifted or lowered by the tower, so that the installation and the maintenance are convenient; the method for manufacturing, installing and overhauling the horizontal rotary wind driven generator has the advantages of high cost efficiency, small occupied area and wide application range.

In order to achieve the above purpose, the technical scheme of the invention provides a generator which is arranged at the top end in a tower, an impeller drives a main shaft of the generator under the action of wind power, and the center of the tower is used for horizontal rotation to generate electric energy; the impeller is provided with at least three wind driven generators which are radially and equally arranged and horizontally rotate around the center of the tower. The wind driven generator is mainly characterized by comprising a horizontal rotation impeller, a tower barrel, a vertical shaft generator and stiffening ribs.

According to the aerodynamic principle, wind energy is used as power, wind power in any wind direction is received, the impeller is pushed to horizontally and directionally rotate by the shaft center of the tower, and the main shaft of the generator is driven to rotate to generate electric energy.

According to the invention, the rigidity of the tower barrel is high, all dynamic and static loads are vertically transmitted to the tower barrel foundation along the gravity center through the generator base, the eccentric load of the structure is greatly reduced, the additional bending moment and shearing force caused by the eccentric load are correspondingly reduced, and the investment risk caused by tower overturning and equipment damage is effectively avoided.

In the method, the impeller preferably rotates horizontally, and the impeller drives the main shaft of the generator to do horizontal rotation motion by the shaft center of the tower under the action of wind force, so that the wind force intensity is only reflected on the speed of the rotation speed of the impeller.

In the method, the axes of the three are preferably combined, namely, the axes of the horizontal rotating impeller, the generator and the tower cylinder are overlapped to form concentric circles, so that the integral windward performance is thoroughly changed, the investment cost is greatly saved, and the application range is enlarged.

In the method, the axes of the three are preferably combined, namely, the axes of the horizontal rotating impeller, the generator and the tower cylinder are overlapped to form a concentric circle, so that the additional stress such as bending moment and shearing force caused by eccentricity is greatly reduced, and the workload of calculation and analysis of technicians can be reduced; the engineering quantity of installation and maintenance personnel is effectively reduced.

In the method, preferably, the generator rises or falls by means of the tower, namely, the generator is arranged at the top end or any position in the tower, the tower structure is fully utilized to rise or fall, and the installation and the maintenance are convenient.

In the above method, it is preferable that the impeller is lifted or lowered by means of the tower, that is, the impeller is lifted or overhauled by means of the tower structure by means of common lifting equipment, and that the large lifting equipment is not required to be remotely called, so that the method is suitable for various environmental operations.

In the method, the impeller is preferably assembled around the tower on the ground, then fixed by the temporary member, and lifted in place by means of the tower structure, so that the primary lifting is realized, and various potential safety hazards and risks caused by high-altitude operation are greatly reduced.

In the method, the high cost efficiency ratio is better that the dependence on limited precious resources such as petroleum, coal and the like can be reduced, the carbon emission is greatly reduced, the low-carbon economic effect is realized, the energy crisis is effectively solved and the greenhouse effect is resisted relative to each power generation industry with high energy consumption.

In the above method, it is preferable that the cost efficiency ratio is high, and the method is applied to special industries, for example: sewage treatment sites and the like, because equipment such as a blower and the like is started up all the time, the operation cost is higher, and artificial long-term malicious shutdown is often caused. The scheme provided by the invention can realize one-time investment and permanently solve the chronic and durable problem of malicious sewage stealing and draining.

In the method, the high cost efficiency is better, namely no matter the strength of wind power is basically not influenced, the wind power utilization rate is high, and the investment benefit can be greatly improved.

In the above method, it is preferable that the horizontal rotary wind power generator is arranged on any building roof or any high point or between two firm objects according to the power requirement, so as to meet the energy saving requirement. When the building roof is arranged, a suspension device is required to be arranged on a generator base; or a damping device is arranged below the tower foundation; or both.

In the above method, it is preferable that the horizontal rotation wind power generator is installed in each factory, rural area, enterprise and public institution, residential area, remote mountain area, island and other places including conditional villages and the like according to local conditions and output power requirements.

In the above method, it is preferable that the horizontal rotation type wind power generator is expanded in the original wind farm, and grid-connected power generation is performed without additionally increasing construction land.

In the above method, it is preferable that the horizontal rotation impeller means any leaf surface and cross-sectional shape, and rotation according to tangential force can be realized during operation.

In the above method, it is preferable that the horizontal rotation impeller means that the stiffening ribs or the upper and lower ends of the impeller are hinged with supporting points, and are fastened and tied into a whole by steel cables, so that the stability of the structure during the operation of the impeller is increased.

In the above method, it is preferable that the horizontal rotation impeller means that the rotation impeller is designed to be any specific shape and color, and may represent a theme image of a city, for example: lantern, blue and white porcelain, aircraft, etc.

In the above method, it is preferable that the horizontal rotation impeller means that the color dynamic pattern is drawn on the rotation impeller by using the persistence of vision principle, so that the advertising effect and the visual effect can be increased.

In the above method, it is preferable that the omnibearing wind-receiving means that no matter where the wind direction acting force comes from, the force basically belongs to tangential force, no windward operation is needed, and the wind direction positioning system is omitted.

In the above method, it is preferable that the stiffening rib means that a stiffening band having a certain rigidity is provided at the end of the impeller according to the size of the impeller, and is inlaid on a plurality of horizontal turntables to form a whole.

Compared with the wind generating set with the same power and the same scale, the wind generating set with the same power has the advantages of obvious cost-effectiveness ratio. The scheme thoroughly changes the overall windward performance, does not need windward operation, and obviously improves the utilization rate of wind energy; realizing in-situ expansion; reducing construction land; according to local conditions; the popularization range is wide; the installation and the maintenance are simple and convenient; the construction period is shortened; investment cost is reduced; the investment income is improved; reducing various risk generation; realize low-carbon economic effect and benefit the country and the people.

Advantages and other features of the invention are further described below with reference to the drawings and preferred embodiments.

Drawings

FIG. 1 is a schematic plan view of an assembled impeller of the present invention;

FIGS. 2, 3, 4 and 5 are schematic elevational views of the arbitrarily shaped impeller and generator of FIG. 1 in place;

FIG. 6 is an elevational schematic view of the genset of FIGS. 2-5 mounted in place between two arbitrary solid objects;

FIG. 7 is a schematic illustration of the hoisting process of the generator set and impeller of the present invention after ground assembly;

FIG. 8 is a schematic illustration of the connection of the vertical shaft genset and horizontal main turntable of FIGS. 2-5;

FIG. 9 is a schematic illustration of the sets of horizontal turntables of the vertical shaft generator set of FIGS. 2-5;

fig. 10 is a perspective view of any of the generator sets.

Detailed Description

Fig. 1 shows a schematic top plan view of an assembled impeller 5 of a single unit of a horizontal rotary wind turbine according to the present invention. The impeller 5 may be mounted either clockwise or counter-clockwise. The stiffening ribs 7 at the end parts of the impellers 5 are respectively embedded on the

horizontal turntables

3, 8 and 4, and the lower ends of the stiffening ribs 7 are respectively provided with horizontal pulleys 13 which run along the outer side of the tower 1. The upper end and the lower end of the impeller 5 can be provided with horizontal and vertical steel cable scissors for connection to form a whole, so that the rigidity and the stability of the impeller 5 during operation are enhanced.

Fig. 2, 3, 4 and 5 show schematic elevational views of the arbitrarily shaped impeller 5 and vertical shaft generator 2 of the present invention in place. The impeller 5 with any section, shape and material is arranged on the main shaft 6 of the generator through a polygonal core tube 16, and the axis of the tower 1 is used for horizontal single-cycle rotation.

Fig. 6 shows a schematic elevation of the horizontal-rotation wind power unit of the invention in place between two arbitrary solid objects. The tower 1 is directly arranged on a steel frame, the gravity center of the stiffening rib 7 of the impeller 5 which horizontally rotates drives the main shaft 6 of the vertical shaft generator to operate through the main turntable 8, and the upper lightning rod 12 is connected with the upper steel frame through a bearing, so that the stability of the impeller 5 during operation is enhanced. According to the span of the steel frame, the wind generating set can be simultaneously arranged and equally distributed by a plurality of sets.

Fig. 7 shows a hoisting process of the generator set 2 and the impeller 5 according to the invention after assembly around the tower 1 on the ground:

the method shown in fig. 7 is to use the strength of the vertical tower 1 to lift the vertical shaft generator 2 into place in the tower 1 to the top plate 9 of the tower top, and the vertical shaft generator can be pre-installed on the ground for re-lifting. The vertical shaft generator 2 can be assembled and disassembled in the tower 1, and the vertical shaft generator 2 can be fixed by a tray 10 or is fixed on a top plate 9; the polygonal core tube 16 of the horizontal main turntable 8 and the polygonal positioning plate 15 of the upper horizontal turntable 4 are mounted in advance at the corresponding positions on the ground. The specific installation steps are as follows: firstly, lifting a vertical tower 1, mounting the vertical tower 1 on the basis of the tower 1, sleeving

horizontal turntables

3, 8 and 4 outside the tower 1 in advance, and then sequentially lifting and welding until the last tower 1 with a polygonal core barrel 16, a polygonal positioning plate 15, a lightning rod 12 and the like is in place, and finishing the mounting of the vertical tower 1; the stiffening ribs of the impellers are sequentially embedded into the reserved grooves 11 of the

horizontal turntables

3, 8 and 4 on the ground, after the impellers are assembled into a whole, the vertical tower 1 is used for lifting the impellers 5 on the external steel cable 19 of the tower, the horizontal main turntable 8 reaches the top 9 of the tower 1, fine adjustment approval is carried out on the horizontal turntables 13 and the vertical turntables 14, then the fasteners 17 and the pin keys 18 are used for fixing the impellers 5, and the impellers 5 are installed. Considering the lifting and maintenance processes, when the vertical shaft generator is lifted, a maintenance hole is reserved at the bottom of the tower 1, so that equipment and personnel can conveniently enter and exit.

Fig. 8 shows a schematic diagram of the operation of the impeller 5 through the polygonal core tube 16 of the main rotor disk 8, with the impeller 5 being secured by fasteners 17 and pins 18, driving the vertical shaft generator spindle 6. A group of pulleys 14 is arranged below the polygonal core tube 16 according to each impeller 5, and load is transmitted to the top plate 9 of the tower 1 through the pulleys 14, so that the vertical pressure of the load on the generator set 2 is relieved.

FIG. 10 shows a perspective view of a single unit of wind turbine.

The horizontal rotary wind driven generator can be arranged on the roof of an original building. Reinforced concrete piers are arranged on columns, bearing walls or main beams of the original building, and the reinforced bars are anchored into the original structure. And (3) erecting a steel beam on the concrete pier, filling a damping part, and fixing the tower 1.

Compared with the prior art, the installation and maintenance method is mainly characterized in that the strength and the stability of the tower 1 structure are fully utilized to carry out operation, the operation is simple and easy, and various potential safety hazards and risks caused by high-altitude operation are reduced as much as possible.

The invention is characterized in that:

1. the wind power generation device has the advantages that the problems of wind power intensity and wind direction are not focused on, the traditional wind receiving mode is thoroughly changed, the motion mode that the impeller horizontally rotates around the axis of the tower is formed, and the wind power utilization rate is greatly improved.

2. The vertical shaft generator and the impeller are assembled on the ground firstly, then lifted by the tower, the lifting and the positioning are realized once, the loading and the unloading of the tower are simple and easy, and various potential safety hazards and risks easily generated in each link are skillfully solved.

Specific embodiments of the present invention have been described in detail. Any obvious modifications to the present invention, without departing from the essential characteristics thereof, would constitute an infringement of the patent rights of the invention and would be responsible for the corresponding legal liabilities, for those skilled in the art.

Claims

1. A horizontal rotary wind driven generator device comprises a vertical tower, a vertical shaft generator, at least three horizontal rotary impellers which are radially and equally arranged, a transmission system, a control system, a polygonal core barrel and a polygonal positioning plate; the center of a tower barrel, a horizontal rotary impeller and a main shaft of the vertical shaft generator is arranged in a three-axis manner, and the device is characterized in that: the vertical shaft generator is lifted in the tower barrel by utilizing the strength of the vertical tower barrel, and is fixed at the top end or any position in the vertical tower barrel; the impeller is fixed on stiffening ribs of each annular horizontal turntable, the horizontal rotating impeller can be integrally lifted outside the tower by utilizing the strength of the tower, the center of gravity of the impeller is fixed at the intersection point of the annular horizontal turntable and a main shaft of the vertical shaft generator, the upper annular horizontal turntable is fixed on the lightning rod through a bearing, the lower annular horizontal turntable transmits load to the outer side of the tower through a horizontal pulley, and each annular horizontal turntable forms an impeller which synchronously and circularly rotates around a central shaft of the tower;

after the horizontal rotating impeller is connected with the polygonal core tube, a group of vertical pulleys are arranged below the polygonal core tube corresponding to each fan blade wheel, and the vertical pulleys roll on a top plate of the tower tube.

2. A horizontal rotary wind power generator apparatus as claimed in claim 1, wherein: the cross section of the horizontal rotary impeller is in a buffalo horn streamline shape.

3. A horizontal rotary wind power generator apparatus as claimed in claim 1, wherein: the annular horizontal turnplate is respectively inlaid with stiffening ribs of the horizontal rotary impeller along the radial vertical equally-dividing position of the annular horizontal turnplate; in order to facilitate installation and maintenance, a polygonal core tube and a polygonal positioning plate are respectively arranged, and after the polygonal core tube and the polygonal positioning plate are subjected to fine adjustment approval and positioning through a horizontal pulley and a vertical pulley, the impeller is fixed by using a fastener and a pin key; the upper and lower ends of the adjacent horizontal rotating impellers are fastened through horizontal and vertical steel cable scissors supports, so that the rigidity and stability of the impellers during operation are enhanced, and the integral rigid horizontal rotating impellers are formed.

4. A horizontal rotary wind power generator apparatus as claimed in claim 1, wherein: the vertical shaft generator can be lifted or lowered in the tower by utilizing the strength of the vertical tower; the horizontal rotary impeller can be lifted or lowered outside the tower barrel by utilizing the strength of the vertical tower barrel, so that the vertical shaft generator and the impeller can be conveniently installed and overhauled.

5. A horizontal rotary wind power generator apparatus according to claim 3, wherein: the horizontal rotating impellers are equally arranged along the radial direction of the annular horizontal turntable at equal intervals, and the gravity center part of the impellers is arranged on the main annular horizontal turntable and is directly connected with the main shaft of the generator; the upper and lower annular horizontal turntables can be used as hinge support points at two ends of the horizontal rotating impeller.

6. A horizontal rotary wind power generator apparatus according to claim 3, wherein: the lower end of the horizontal rotating impeller is provided with a group of horizontal pulleys corresponding to each fan blade wheel, and load is transmitted to the outer side of the vertical tower through the horizontal pulleys; the pulley is horizontally adjustable.

7. A horizontal rotary wind power generator apparatus according to claim 3, wherein: the vertical pulley transmits eccentric load to the top plate of the vertical tower drum through the vertical pulley so as to reduce the vertical pressure of the load on the generator set; the pulley is vertically adjustable.

8. A horizontal rotary wind power generator apparatus according to claim 3, wherein: because impeller, generator and tower section of thick bamboo axle center coincidence form concentric circle, can reduce moment of flexure and shear force additional stress because of the decentration by a wide margin, all sound loads are transmitted to tower section of thick bamboo basis along generator base focus is perpendicular, and the eccentric load of structure reduces by a wide margin, and additional stress is corresponding to be reduced, effectively avoids the risk that the pylon overturns and equipment damage brought.