CN113494426A - Multifunctional central support shaft for vertical shaft turbine wind power generation device - Google Patents

Multifunctional central support shaft for vertical shaft turbine wind power generation device Download PDF

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Publication number
CN113494426A
CN113494426A CN202110808714.5A CN202110808714A CN113494426A CN 113494426 A CN113494426 A CN 113494426A CN 202110808714 A CN202110808714 A CN 202110808714A CN 113494426 A CN113494426 A CN 113494426A
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CN
China
Prior art keywords
support shaft
flange
shaft body
turbine rotor
turbine
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Pending
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CN202110808714.5A
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Chinese (zh)
Inventor
郭文礼
郭晔恒
孔瑞蕾
张欣尉
王茉莉
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Henan Hengju New Energy Equipment Co ltd
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Henan Hengju New Energy Equipment Co ltd
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Priority to CN202110808714.5A priority Critical patent/CN113494426A/en
Publication of CN113494426A publication Critical patent/CN113494426A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The invention provides a multifunctional central support shaft for a vertical shaft turbine wind power generation device, which comprises a support shaft body, a central support shaft bottom plate, a connector mounting piece, a diagonal draw bar and a top double-wing connecting plate reinforcing hanger; the central support shaft bottom plate is arranged at the bottom end of the support shaft body; the connecting body mounting piece is arranged on the side wall of the supporting shaft body; the top double-wing connecting plate reinforcing hanging bracket is arranged at the top end of the supporting shaft body; one end of the diagonal draw bar is fixedly connected with the side wall of the support shaft body, the other end of the diagonal draw bar is suitable for being fixedly connected with the turbine rotor connector, and the diagonal draw bar is a rigid bar. The multifunctional central supporting shaft for the vertical axis turbine wind power generation device provided by the invention can suspend all layers of the turbine rotor around the supporting shaft body, ensures the verticality of the turbine rotor, can bring high-efficiency, high-power and stable operation guarantee for the wind power generator set, and has the advantages of easiness in production, transportation and installation. It is a true multifunctional central supporting shaft.

Description

Multifunctional central support shaft for vertical shaft turbine wind power generation device
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a multifunctional central support shaft for a vertical axis turbine wind power generation device.
Background
In recent years, the three-blade horizontal axis wind turbine is rapidly transferred to a low wind speed area, so that the three-blade horizontal axis wind turbine is adapted to the low wind speed wind resource condition, is increased in power, is rapidly promoted in the direction of offshore wind power, is close to the limit in development and is limited by the maximum limit value of the wind energy conversion coefficient of the Betz law, and is difficult to continue to move suddenly in the direction of high power.
The wind power generation of the vertical axis turbine is bound by the Betz law, and is rapidly developed in a novel turbine theory mode. Compared with the three-blade horizontal axis wind power generation, the three-blade horizontal axis wind power generation device has many advantages: the generator, the gear box and other heavy equipment are arranged at the lowest layer of the whole unit, so that the center of gravity of the unit moves downwards, the operation is stable and the safety degree is high; the wind power generator can receive wind from any direction, does not need a yaw device, reduces the wind loss and the fatigue loss, adopts the best running mode of the close fit of the movable blades and the guide blades, and has high wind energy conversion coefficient; the high-power unit and the like can be manufactured by adopting the variable-pitch wind collecting mechanism, so that the vertical axis turbine wind power generation is developed rapidly.
However, in the development of the vertical axis turbine wind turbine with high power, the wind receiving diameter of the turbine rotor of the vertical axis turbine wind power generation is inevitably increased, and if the generator set of the vertical axis turbine wind power generation is as large as 50MWh, the rotor diameter is close to 50 m. The huge turbine rotor needs a strong support body, and meanwhile, how strong power is transmitted to the generator set needs to be solved, so that a strong power transmission shaft system needs to be arranged, the shaft system for transmitting the power transmits mechanical power generated by the turbine rotor to the generator, and mechanical energy is converted into electric energy, and therefore the shaft system is a synchronous rotating body with the turbine rotor.
Along with the increase of the single-machine power of the vertical axis turbine wind generating set, the height of the turbine rotor is also increased rapidly, and in order to enable the turbine rotor to operate stably and safely, the perpendicularity of the turbine rotor must be guaranteed, and a central supporting shaft for guaranteeing the perpendicularity of the turbine rotor is also needed.
Disclosure of Invention
The invention provides a multifunctional central supporting shaft for a vertical axis turbine wind power generation device, which is used for solving the problem of ensuring the safe and stable transmission of the power of a turbine rotor in the prior art.
The invention provides a multifunctional central supporting shaft for a vertical axis turbine wind power generation device, which comprises: the support shaft body, the central support shaft bottom plate, the connector mounting piece, the diagonal draw bar and the top double-wing connecting plate reinforcing hanger frame are arranged on the support shaft body;
the central support shaft bottom plate is arranged at the bottom end of the support shaft body and is suitable for being fixedly connected with an upper cover plate of a central roller support thrust bearing;
the connecting body mounting piece is arranged on the side wall of the supporting shaft body and is used for being fixedly connected with the turbine rotor connecting body;
the top double-wing connecting plate reinforcing hanger is arranged at the top end of the supporting shaft body and is suitable for being connected with the turbine rotor connecting body close to the top end of the supporting shaft body;
one end of the diagonal draw bar is fixedly connected with the side wall of the support shaft body, the other end of the diagonal draw bar is suitable for being fixedly connected with the turbine rotor connector, and the diagonal draw bar is a rigid rod.
According to the multifunctional central supporting shaft for the vertical shaft turbine wind power generation device, the supporting shaft body comprises at least two shaft body sections, one end of each shaft body section is provided with a lower inner connecting flange, the other end of each shaft body section is provided with an upper inner connecting flange, the supporting shaft bodies are connected end to end, and adjacent supporting shaft bodies are connected through the lower inner connecting flange and the upper inner connecting flange.
According to the multifunctional central supporting shaft for the vertical axis turbine wind power generation device, the connector mounting piece comprises an upper double-layer flange connecting plate and a bottom single-layer flange connecting plate; the upper double-layer flange connecting plate and the bottom single-layer flange connecting plate are respectively arranged on the supporting shaft body, the upper double-layer flange connecting plate is suitable for being connected with the turbine rotor connecting body with a double-layer structure, and the bottom single-layer flange connecting plate is suitable for being connected with the turbine rotor connecting body with a single-layer structure.
According to the multifunctional central supporting shaft for the vertical axis turbine wind power generation device, the upper double-layer flange connecting plate and/or the bottom single-layer flange connecting plate comprise an inner ring connecting flange and an outer ring connecting flange, the inner ring connecting flange is fixedly connected with the supporting shaft body and the outer ring connecting flange respectively, and the outer ring connecting flange is suitable for being connected with a turbine rotor connecting body.
According to the multifunctional central supporting shaft for the vertical axis turbine wind power generation device, the outer ring connecting flange is of a multi-section type flange structure arranged around the circumferential direction of the inner ring connecting flange, and all sections of the outer ring connecting flange are fixedly connected with the inner ring connecting flange respectively.
According to the multifunctional central supporting shaft for the vertical axis turbine wind power generation device, provided by the invention, the supporting shaft body is provided with the lug plate, the lug plate is provided with the bolt hole, and one end of the inclined pull rod, which is far away from the turbine rotor connecting body, is connected with the lug plate through the bolt.
According to the multifunctional central supporting shaft for the vertical axis turbine wind power generation device, multiple groups of lug plates are arranged along the axial direction of the supporting shaft body, each group of lug plates comprises at least two pairs of lug plates, each pair of lug plates is symmetrical about the axis of the supporting shaft body, and each group of lug plates is respectively connected with a pair of turbine rotor connecting bodies which are symmetrical about the axis of the supporting shaft body through the plurality of diagonal draw bars.
According to the multifunctional central support shaft for the vertical axis turbine wind power generation device, the tension adjusting mechanism is arranged on the diagonal draw bar and is used for adjusting the length of the diagonal draw bar.
According to the multifunctional central supporting shaft for the vertical axis turbine wind power generation device, the top double-wing connecting plate reinforcing hanging bracket is arranged along the radial direction of the supporting shaft body, and the top double-wing connecting plate is connected with the turbine rotor connecting body close to the top end of the supporting shaft body through the hanging rod.
According to the invention, a multifunctional central supporting shaft for a vertical axis turbine wind power generation device is provided, wherein the shaft section is made of a steel plate reel or a thick-wall pipe.
The multifunctional central supporting shaft for the vertical shaft turbine wind power generation device can realize integral support of a turbine rotor through the supporting shaft body; the connecting body mounting piece arranged on the supporting shaft body can be used for connecting a turbine rotor connecting body, and then is connected with the movable blade assembly through the turbine rotor connecting body, so that the blade mounting can be realized; the top double-wing connecting plate that sets up on supporting the axis body strengthens the gallows, the turbine rotor connector can be connected to the diagonal draw bar to play the supporting role to the turbine rotor connector, and, because the diagonal draw bar adopts the rigid rod, have stretch-proofing ability and resistance to compression ability, not only can effectively suspend turbine rotor connecting plate in midair, can also effectively guarantee that turbine rotor connecting plate can not produce upwards buoyancy because of the air current and make turbine rotor connecting plate warp.
The structure can ensure that each layer of the turbine rotor is suspended around the multifunctional supporting shaft to support the turbine rotor and ensure the verticality of the turbine rotor. The shaft collects the power of each layer of turbine rotor and transmits the power to the generator set, so that the vertical axis turbine wind generator set can easily realize high power and ensure stable operation; the multifunctional central support shaft is easy to process and manufacture, convenient to transport and install and capable of achieving the multifunction of the central support shaft.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a view of the use of the multifunctional central support shaft for a vertical axis turbine wind turbine generator according to the present invention;
FIG. 2 is a schematic view of the overall configuration of the multifunctional central support shaft for a vertical axis turbine wind turbine generator provided in accordance with the present invention;
FIG. 3 is a schematic view of the structure of a support shaft body in the multifunctional central support shaft for a vertical axis turbine wind turbine generator according to the present invention;
FIG. 4 is a cross-sectional view of the multi-functional center support shaft for a vertical axis turbine wind turbine generator of the present invention showing the structure of the bottom plate of the center support shaft;
FIG. 5 is an enlarged view at B in FIG. 2;
FIG. 6 is a cross-sectional view of the multi-functional center support shaft for a vertical axis turbine wind turbine generator embodying the flange plate structure of the present invention;
FIG. 7 is a schematic view of the overall structure of a turbine rotor interface according to the present invention showing a double layer structure;
FIG. 8 is a cross-sectional view of the multi-functional center support shaft for a vertical axis turbine wind turbine generator embodying the lug plate arrangement of the present invention.
Reference numerals:
1. a base support; 2. The central roller supports the thrust bearing; 3. A turbine rotor interface;
4. a support shaft body; 4a, a lower inner connecting flange; 4b, a shaft section;
4c, an upper inner connecting flange; 5. A movable blade assembly; 6. A rain cover platform;
7. a short upright post; 8. A boom; 9. A bottom single-layer flange connecting plate;
10. a central support shaft bottom plate; 11. An ear plate; 12. A diagonal member;
13. the top double-wing connecting plate strengthens the hanger; 14. An upper double-layer flange connecting plate; 14a, an inner ring connecting flange;
14b and an outer ring connecting flange.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The multifunctional central support shaft for a vertical axis turbine wind power generation device of the embodiment of the invention is described below with reference to fig. 1 to 8, and is suitable for a vertical turbine vertical wind power generation set.
The multifunctional central support shaft for the vertical axis turbine wind power generation device can be connected with and support the turbine rotor connector 3, and a movable blade assembly 5 is installed through the turbine rotor connector 3.
A multi-functional center back shaft for vertical axis turbine wind power generation set can install on basic support 1 to be connected with central gyro wheel support thrust bearing 2 on the basic support 1, support thrust bearing 2 for central gyro wheel with the sound load transmission of turbine rotor, and transmit the total mechanical energy of the turbine rotor that will assemble, the transmission shaft that supports thrust bearing 2 through central gyro wheel transmits generating set, thereby converts mechanical energy into the electric energy.
A multifunctional center support shaft for a vertical axis turbine wind power plant comprising: support axis body 4, center back shaft bottom plate 10, connector installed part, diagonal draw bar 12, top double-wing connecting plate reinforcing hanger 13.
The supporting shaft body 4 is vertically arranged, and the supporting shaft body 4 can adopt a multi-section structure so as to be convenient to manufacture, transport and install. Specifically, support axis body 4 includes at least two axis body sections 4b of arranging along the axial, and axis body section 4b one end is provided with down inner connection flange 4a, and the other end is provided with upper inner connection flange 4c, supports and connects end to end between the axis body 4, and through lower inner connection flange 4a, upper inner connection flange 4c interconnect between the adjacent support axis body 4. The arrangement mode can also be beneficial to aerodynamic performance and reduce the rotary aerodynamic resistance.
Alternatively, the shaft body section 4b is made of a steel plate reel or a thick-walled pipe to facilitate the installation of the upper and lower inner connecting flanges 4c and 4a while facilitating the reduction of the overall weight of the support shaft body 4.
Center support shaft bottom plate 10 sets up in the bottom of supporting the axis body 4, and center support shaft bottom plate 10 is suitable for and center gyro wheel support thrust bearing 2's upper cover plate fixed connection. The central support shaft base plate 10 is a foundation plate of the whole support shaft body 4, receives dynamic and static loads of the turbine rotor, transmits mechanical power generated by the received turbine rotor to the generator set through the central roller support thrust bearing 2, and converts mechanical energy into electric energy. The central support shaft bottom plate 10 can be fixedly connected with the upper cover plate of the central roller wheel support thrust bearing 2 through high-strength bolts, and can bear the torque brought by the maximum power generated by the turbine rotor when the turbine rotor receives the cut-out wind speed.
The connector installed part sets up on 4 lateral walls of support axis body for with 3 fixed connection of turbine rotor connector. Optionally, the connector mounting member comprises an upper double-layer flange web 14 and a lower single-layer flange web 9. Double-deck flange joint board 14 in upper portion and bottom individual layer flange joint board 9 set up respectively on supporting the axis body 4, and is concrete, and bottom individual layer flange joint board 9 sets up in the position that supports the axis body 4 and be close to the bottom, and double-deck flange joint board 14 in upper portion sets up the top at bottom individual layer flange joint board 9. The upper double-layer flange connecting plate 14 is suitable for being connected with the turbine rotor connecting body 3 with a double-layer structure, and the lower single-layer flange connecting plate 9 is suitable for being connected with the turbine rotor connecting body 3 with a single-layer structure. It will be appreciated that the turbine rotor connectors 3 at the lowermost level are of single-layer construction and therefore only need to pass through the bottom single-layer flange web 9, whereas the turbine rotor connectors 3 other than the lowermost level are of double-layer construction and need to be connected by the upper double-layer flange web 14.
In an alternative, at least one of the upper double-layer flange connecting plate 14 and the bottom single-layer flange connecting plate 9 includes an inner ring connecting flange 14a and an outer ring connecting flange 14b, the inner ring connecting flange 14a is fixedly connected with the support shaft body 4 and the outer ring connecting flange 14b, respectively, and the outer ring connecting flange 14b is adapted to be connected with the turbine rotor connecting body 3.
When the upper double-layer connecting flange connecting plate comprises the inner ring connecting flange 14a and the outer ring connecting flange 14b, two inner ring connecting flanges 14a of the same upper double-layer connecting flange connecting plate are arranged in parallel at intervals, and the two inner ring connecting flanges 14a are fixedly connected with the outer ring connecting flange 14b to form a double-layer structure. One outer ring connecting flange 14b is connected with one inner ring connecting flange 14a and the upper layer of the turbine rotor connecting body 3 with the double-layer structure, and one side, which is far away from the outer ring connecting flange 14b, of the upper layer of the turbine rotor connecting body 3 with the double-layer structure is fixedly connected with the lower shroud ring of the upper part of the movable blade assembly 5; the other outer ring connecting flange 14b is connected with the other inner ring connecting flange 14a and the lower layer of the turbine rotor connecting body 3 with the double-layer structure, and one side of the lower layer of the turbine rotor connecting body 3 with the double-layer structure, which is far away from the outer ring connecting flange 14b, is fixedly connected with the upper shroud of the next part of the movable blade assembly 5.
When the bottom single-layer flange connecting plate 9 comprises an inner ring connecting flange 14a and an outer ring connecting flange 14b, the outer ring connecting flange 14b on the bottom single-layer flange connecting plate 9 is respectively connected with the inner ring connecting flange 14a and the turbine rotor connecting body 3 with a single-layer structure, and one side of the turbine rotor connecting body 3 with the single-layer structure, which is far away from the inner ring connecting flange 14a, is fixedly connected with the lower shroud of the lowest part of the movable blade assembly 5.
Double-deck flange joint board 14 in upper portion and bottom individual layer flange joint board 9 set up to above-mentioned structure, can increase the area of being connected of double-deck flange joint board 14 in upper portion and bottom individual layer flange joint board 9 and turbine rotor connecting plate on the one hand, and on the other hand can reduce the flange joint board size, is convenient for make, transports, installs.
Optionally, the outer ring connecting flange 14b is a multi-section flange structure circumferentially arranged around the inner ring connecting flange 14a, and each section of the outer ring connecting flange 14b is fixedly connected with the inner ring connecting flange 14a, and is respectively suitable for being fixedly connected with the turbine rotor connecting plate. The outer ring connecting flange 14b of this structure provides a great convenience for the mounting of the turbine rotor connecting plate in place.
The top double-wing connecting plate reinforcing hanger 13 is provided at the top end of the support shaft body 4, and is adapted to be connected with the turbine rotor connecting body 3 near the top end of the support shaft body 4. The gallows 13 is strengthened along the radial setting that supports the axis body 4 to the top double wing connecting plate, and the top double wing connecting plate passes through jib 8 and is connected with the turbine rotor connector 3 that is close to the top that supports the axis body 4, plays the effect of hanging in midair to the turbine rotor connector 3 that is close to the top that supports the axis body 4. Compare in the suspension mode of drawing to one side, the gallows 13 is strengthened to top double wing connecting plate has the advantage that reduces whole turbine rotor height, strengthens the hardness of turbine rotor connector 3, and is corresponding, and when rain-proof cover platform 6 was installed, rain-proof cover platform 6's height also reduced by a wide margin to play the effect that reduces cost and windage loss.
Optionally, the upper side edge of the turbine rotor connector 3 close to the top end of the support shaft body 4 is provided with a short upright post 7, the end part of the top double-wing connecting plate reinforcing hanger 13 is fixedly connected with the short upright post 7, and the structural stability of the top double-wing connecting plate reinforcing hanger 13 and the turbine rotor connector 3 is further improved.
One end of the diagonal draw bar 12 is fixedly connected with the side wall of the support shaft body 4, and the other end is suitable for being fixedly connected with the turbine rotor connector 3. Each diagonal draw bar 12 can play the effect of hanging in midair to the turbine rotor connecting plate in the multiple spot position, avoids the turbine rotor connecting plate to appear warping. Furthermore, the diagonal draw bar 12 is a rigid bar and has stretch-proofing capability and compression-proofing capability, so that the turbine rotor connecting plate can be effectively suspended, and the turbine rotor connecting plate can be effectively prevented from being deformed due to upward buoyancy generated by airflow.
Optionally, the supporting shaft 4 is provided with an ear plate 11, and the ear plate 11 may be fixedly connected with the supporting shaft 4 in a welding manner. The lug plate 11 is provided with a bolt hole, and one end of the diagonal draw bar 12 departing from the turbine rotor connector 3 is connected with the lug plate 11 through a bolt.
Alternatively, the ear plates 11 are provided in a plurality of sets, each set of ear plates 11 including a plurality of pairs of ear plates 11, each pair of ear plates 11 being symmetrical with respect to the axis of the support shaft body 4. The number of the diagonal draw bars 12 corresponds to the number of the ear plates 11, and each group of ear plates 11 is connected with a pair of turbine rotor connectors 3 which are symmetrical about the axis of the support shaft body 4 through a plurality of diagonal draw bars 12 respectively so as to form stable support for the support shaft body 4.
In an embodiment of the present invention, the diagonal member 12 is provided with a tension adjusting mechanism for adjusting the length of the diagonal member 12, so as to facilitate tightening and installation, and facilitate adjustment by the tension adjusting mechanism after the diagonal member 12 deforms during long-term use. The tension progress adjusting mechanism can directly adopt a pull rod tightener, and the diagonal draw bar 12 is arranged into a two-segment structure and is connected through the pull rod tightener.
A multi-functional center back shaft for vertical axis turbine wind power generation set can suspend each layer of turbine rotor around supporting axis body 4 in midair, forms stable support, guarantees turbine rotor's straightness that hangs down, can bring high-efficient, high-power, steady operation's assurance for wind generating set to have the advantage of easily production, transportation and installation.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A multifunctional central support shaft for a vertical axis turbine wind power plant, comprising: the support shaft body, the central support shaft bottom plate, the connector mounting piece, the diagonal draw bar and the top double-wing connecting plate reinforcing hanger frame are arranged on the support shaft body;
the central support shaft bottom plate is arranged at the bottom end of the support shaft body and is suitable for being fixedly connected with an upper cover plate of a central roller support thrust bearing;
the connecting body mounting piece is arranged on the side wall of the supporting shaft body and is used for being fixedly connected with the turbine rotor connecting body;
the top double-wing connecting plate reinforcing hanger is arranged at the top end of the supporting shaft body and is suitable for being connected with the turbine rotor connecting body close to the top end of the supporting shaft body;
one end of the diagonal draw bar is fixedly connected with the side wall of the support shaft body, the other end of the diagonal draw bar is suitable for being fixedly connected with the turbine rotor connector, and the diagonal draw bar is a rigid rod.
2. The multifunctional central support shaft for a vertical axis turbine wind power plant of claim 1, wherein said support shaft body comprises at least two shaft body sections, said shaft body sections having a lower inner connecting flange at one end and an upper inner connecting flange at the other end, said support shaft bodies being connected end to end, and adjacent support shaft bodies being connected to each other by said lower inner connecting flange and said upper inner connecting flange.
3. The multifunctional center support shaft for a vertical axis turbine wind power plant of claim 1, wherein said interface mount comprises an upper double-layered flange web and a bottom single-layered flange web; the upper double-layer flange connecting plate and the bottom single-layer flange connecting plate are respectively arranged on the supporting shaft body, the upper double-layer flange connecting plate is suitable for being connected with the turbine rotor connecting body with a double-layer structure, and the bottom single-layer flange connecting plate is suitable for being connected with the turbine rotor connecting body with a single-layer structure.
4. The multifunctional central support shaft for a vertical axis turbine wind power plant according to claim 3, wherein the upper double-layered flange connection plate and/or the bottom single-layered flange connection plate comprises an inner ring connection flange and an outer ring connection flange, the inner ring connection flange is fixedly connected with the support shaft body and the outer ring connection flange respectively, and the outer ring connection flange is adapted to be connected with a turbine rotor connection body.
5. The multifunctional center support shaft for a vertical axis turbine wind turbine generator as claimed in claim 4, wherein the outer ring connecting flange is a multi-segment flange structure disposed circumferentially around the inner ring connecting flange, and each segment of the outer ring connecting flange is fixedly connected to the inner ring connecting flange.
6. The multifunctional central support shaft for the vertical axis turbine wind turbine generator as claimed in claim 1, wherein the support shaft body is provided with an ear plate, the ear plate is provided with a bolt hole, and one end of the diagonal member facing away from the turbine rotor connecting body is connected with the ear plate through a bolt.
7. The multifunctional center support shaft for a vertical axis turbine wind turbine generator according to claim 6, wherein the ear plates are provided in plural sets in the axial direction of the support shaft body, each set of the ear plates includes at least two pairs of ear plates, each pair of the ear plates is symmetrical with respect to the axis of the support shaft body, and each set of the ear plates is connected to a pair of the turbine rotor connecting bodies, which are symmetrical with respect to the axis of the support shaft body, through a plurality of the diagonal members, respectively.
8. The multifunctional central support shaft for a vertical axis turbine wind turbine generator as claimed in claim 1, wherein said diagonal draw bars are provided with a tension adjusting mechanism for adjusting the length of said diagonal draw bars.
9. The multifunctional center support shaft for a vertical axis turbine wind turbine generator as claimed in claim 1, wherein the top double wing attachment plate reinforcing hanger is provided in a radial direction of the support shaft body, and the top double wing attachment plate is connected to the turbine rotor connecting body near the top end of the support shaft body by a hanger rod.
10. The multifunctional central support shaft for a vertical axis turbine wind power plant of claim 2, wherein said shaft sections are made of steel plate drums or thick walled tubes.
CN202110808714.5A 2021-07-16 2021-07-16 Multifunctional central support shaft for vertical shaft turbine wind power generation device Pending CN113494426A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150337807A1 (en) * 2014-05-21 2015-11-26 Cheng Ting Mobile offshore wind turbine
FR3054269A1 (en) * 2016-07-21 2018-01-26 Wind-It TOWER STRUCTURE FOR SUPPORTING AT LEAST ONE VERTICAL AXIS WIND ROTOR
CN111677626A (en) * 2020-06-03 2020-09-18 河南恒聚新能源设备有限公司 Vertical axis turbine wind power generation system
CN111677627A (en) * 2020-06-03 2020-09-18 河南恒聚新能源设备有限公司 Turbine rotor assembly for vertical axis wind power generation system and power generation system
CN111911368A (en) * 2020-08-31 2020-11-10 河南恒聚新能源设备有限公司 Supporting and centering roller thrust bearing and vertical axis wind power generation device
CN212130670U (en) * 2020-06-01 2020-12-11 梁运富 Double-turbine wind power generation device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150337807A1 (en) * 2014-05-21 2015-11-26 Cheng Ting Mobile offshore wind turbine
FR3054269A1 (en) * 2016-07-21 2018-01-26 Wind-It TOWER STRUCTURE FOR SUPPORTING AT LEAST ONE VERTICAL AXIS WIND ROTOR
CN212130670U (en) * 2020-06-01 2020-12-11 梁运富 Double-turbine wind power generation device
CN111677626A (en) * 2020-06-03 2020-09-18 河南恒聚新能源设备有限公司 Vertical axis turbine wind power generation system
CN111677627A (en) * 2020-06-03 2020-09-18 河南恒聚新能源设备有限公司 Turbine rotor assembly for vertical axis wind power generation system and power generation system
CN111911368A (en) * 2020-08-31 2020-11-10 河南恒聚新能源设备有限公司 Supporting and centering roller thrust bearing and vertical axis wind power generation device

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Application publication date: 20211012