CN113606092B - Novel structure and manufacturing process of central support column of vertical axis wind power generation device - Google Patents

Novel structure and manufacturing process of central support column of vertical axis wind power generation device Download PDF

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Publication number
CN113606092B
CN113606092B CN202110807080.1A CN202110807080A CN113606092B CN 113606092 B CN113606092 B CN 113606092B CN 202110807080 A CN202110807080 A CN 202110807080A CN 113606092 B CN113606092 B CN 113606092B
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support column
flange
rotor
standard knot
plate
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CN113606092A (en
Inventor
郭文礼
郭晔恒
孔瑞蕾
谈琦
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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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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

Abstract

The invention provides a novel structure and a manufacturing process of a central support column of a vertical axis wind power generation device, wherein the novel structure of the central support column of the vertical axis wind power generation device comprises a plurality of support column units which are axially arranged, each support column unit comprises a support column barrel, a reinforcing spiral plate fixedly connected with the inner wall of the barrel and a flange plate arranged at the end part of the support column barrel, and the flange plates of the adjacent support column units are positioned and connected through bolts and bolts. The novel structure and the manufacturing process of the central support column of the vertical axis wind power generation device are provided with a process platform with a novel structure for ensuring the installation precision. The high-precision requirement that the verticality deviation of the central support column is less than 0.5/1000 after the central support column is installed is ensured.

Description

Novel structure and manufacturing process of central support column of vertical axis wind power generation device
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a novel structure and a manufacturing process of a central support column of a vertical axis 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 adapts to the low wind speed wind resource condition and is rapidly promoted to high power, the development of the three-blade horizontal axis wind turbine is close to the limit and is limited by the maximum limit value of the wind energy conversion coefficient of the Betz law, the three-blade horizontal axis wind turbine is difficult to continue to the high power direction, and the wind power generation of the vertical axis turbine is bound by the Betz law, so that the three-blade horizontal axis wind turbine is rapidly developed in a novel turbine theoretical 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 50m. The huge turbine rotor needs a strong supporting 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 the shaft system is a synchronous rotating body with the turbine rotor.
Along with the increase of vertical axis turbine wind generating set unit power, turbine rotor's height also increases fast, wants to make turbine rotor can steady safe operation, must guarantee turbine rotor's straightness that hangs down, also needs a assurance turbine rotor straightness's central stay post that hangs down.
Disclosure of Invention
The invention provides a novel structure and a manufacturing process of a central support column of a vertical axis wind power generation device, which are used for solving the problem of how to ensure the verticality of a turbine rotor by the central support column in the prior art.
The invention provides a novel structure of a central support column of a vertical axis wind power generation device, which comprises a plurality of support column units which are axially arranged, wherein each support column unit comprises a support column barrel, a reinforcing spiral plate fixedly connected with the inner wall of the barrel and a flange plate arranged at the end part of the support column barrel, and the flange plates of the adjacent support column units are positioned and connected through bolts and bolts.
According to the novel structure of the central support column of the vertical axis wind power generation device provided by the invention, the support column unit comprises:
the bottom end of the basic standard knot is provided with a basic knot bottom plate, and the basic knot bottom plate is suitable for being connected with a lower roller thrust bearing of a turbine rotor;
the first connecting rotor standard knot is suitable for connecting a turbine rotor connecting plate;
the second connecting rotor standard knot is arranged alternately with the first connecting rotor standard knot and is suitable for being connected with a suspension cable for suspending the turbine rotor connecting plate;
and the support column top standard knot is positioned at the top end and is suitable for connecting a suspension cable for suspending the turbine rotor connecting plate and a top platform.
According to the novel structure of the central support column of the vertical axis wind power generation device, the first connecting rotor standard knot is provided with the double-layer flange connecting plate, and the double-layer flange connecting plate on the first connecting rotor standard knot is used for connecting the turbine rotor connecting plate with the double-layer structure.
According to the novel structure of the central support column of the vertical axis wind power generation device, a single-layer flange connecting plate is arranged on the standard foundation knot, and the single-layer flange connecting plate on the standard foundation knot is suitable for being connected with a turbine rotor connecting plate with a single-layer structure.
According to the novel structure of the central support column of the vertical axis wind power generation device, the flange connecting plate comprises an inner ring connecting flange and an outer ring connecting flange, the inner ring connecting flange is fixedly connected with the support column cylinder 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 novel structure of the central support column of the vertical axis 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 each section of the outer ring connecting flange is fixedly connected with the inner ring connecting flange.
According to the novel structure of the central support column of the vertical axis wind power generation device, provided by the invention, the side wall of the second connecting rotor standard joint is provided with the lug plate, the top standard joint of the support column is provided with the suspension connecting plate, and the lug plate and the suspension connecting plate are suitable for being fixedly connected with the suspension cable for suspending the turbine rotor connecting plate.
According to the novel structure of the central support column of the vertical axis wind power generation device, at least two layers of the lug plates are arranged on the second connecting rotor standard joint and the suspension connecting plates are arranged on the support column top standard joint respectively, and a plurality of lug plates on each layer and a plurality of suspension connecting plates on each layer are arranged in the circumferential direction.
The invention also provides a manufacturing process of the novel structure of the central support column of the vertical axis wind power generation device, which comprises the following steps:
s1, obtaining a process platform;
s2, obtaining a basic standard knot through the process platform;
s3, fixing a flange plate at the end part of the support column cylinder by taking the foundation standard knot as a support fixing foundation;
s4, executing the step S3 and additionally welding lug plates to obtain a second connecting rotor standard knot;
s5, executing the step S3 and welding a flange connecting plate to obtain a first connecting rotor standard knot;
s6, repeating the steps S4 and S5 to respectively obtain a plurality of second connecting rotor standard knots and a plurality of first connecting rotor standard knots;
s7, executing the step S3 and additionally welding the suspension connecting plate to obtain a standard section of the top of the support column;
and S8, connecting the basic standard knot, the second connecting rotor standard knot, the first connecting rotor standard knot and the supporting column top standard knot through bolts and bolts.
The novel structure and the manufacturing process of the central support column of the vertical axis wind power generation device provided by the invention have the advantages that a plurality of support column units which are axially arranged are adopted and are fixed through the bolts and the bolts, so that the whole central support column has higher verticality, and the high-precision requirement that the verticality deviation is less than 0.5/1000 after the central support column is installed is ensured.
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 schematic view of the overall structure of a novel central support column of a vertical axis wind turbine provided by the invention;
FIG. 2 is a diagram illustrating the use of the novel structure of the central support column of the vertical axis wind turbine provided by the present invention;
FIG. 3 is a schematic structural diagram of a basic standard knot in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 4 is a top view of a standard section of a foundation in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 5 is a schematic structural diagram of a standard section of a connecting rotor in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 6 is a top view of a standard section of a connecting rotor in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 7 is a schematic view of a standard joint structure of a rotor in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 8 is a top view of a standard joint of a rotor in a novel structure of a central support column of a vertical axis wind turbine provided by the present invention;
FIG. 9 is a schematic diagram of a standard knot structure at the top of a support column in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 10 is a top view of a standard section at the top of a support column in the novel structure of the central support column of the vertical axis wind turbine provided by the invention;
FIG. 11 is a schematic view of a turbine rotor web structure of a two-layer construction;
FIG. 12 is a schematic diagram of a process platform structure in a novel structure of a central support column of a vertical axis wind turbine provided by the present invention;
FIG. 13 is a top view of a platform for a vertical axis wind turbine central support column according to the present invention; reference numerals:
100. a basic standard section; 110. A foundation section bottom plate; 120. A flange is arranged on the foundation section;
200. a first connecting rotor mark 210 and a connecting joint flange; 300. The second is connected with the rotor standard knot; section alignment;
310. a support section flange; 320. An ear plate; 400. Supporting a standard knot at the top of the column;
410. the column top is connected with a flange; 420. Hanging a connecting plate; 500. A support column cylinder;
510. reinforcing the spiral plate; 600. A lower roller thrust shaft 700, a generator; carrying;
800. a set-top platform; 900. A flange connecting plate; 910. The inner ring is connected with a flange;
920. the outer ring is connected with a flange; 1100. Turbine rotor connection 1200, span wire; a plate;
1300. a process platform platen; 1310. A platform bolt chute; 1320. Operating an inlet aperture;
1400. electric self-control leveling 1500, chute bolt. A machine;
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 "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, 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 of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 the embodiments of the present 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 following describes a novel structure of a central support column of a vertical axis wind turbine according to an embodiment of the present invention with reference to fig. 1 to 11, including a plurality of support column units, each of which is arranged in an axial direction. Each support column unit comprises a support column cylinder 500 and a flange plate arranged at the end part of the support column cylinder 500, wherein the flange plate is arranged at one end of part of the support column cylinder 500, the flange plates are arranged at two ends of the other part of the support column cylinder 500, and the flange plates of the adjacent support column units are connected in a positioning mode through bolts and bolts.
The support column unit includes: the standard knot 100 of basis, first connect rotor standard knot 200, second connect rotor standard knot 300 and support capital standard knot 400 four kinds, each support column unit is described in detail below:
the foundation standard knot 100 is a bottommost supporting structure of a central supporting column, the bottom end of a supporting column cylinder 500 on the foundation standard knot 100 is provided with a foundation knot bottom plate 110, and the foundation knot bottom plate 110 is suitable for being connected with a lower roller thrust bearing 600 of a turbine rotor. The base standard knuckle 100, which is the lowest member of the overall center support column, takes up all of the torque received by the center support column and transfers the torque through the base knuckle bottom plate 110 to the lower roller thrust bearing 600 of the turbine rotor, which transfers the torque from the lower roller thrust bearing 600 to the generator 700, converting the mechanical torque to electrical energy.
The upper end of the base standard knot 100 is provided with a base knot upper flange 120, and the base knot upper flange 120 is used for connecting a second connecting rotor standard knot 300.
The single-layer flange connecting plate 900 is arranged on the basic standard knot 100, and the single-layer flange connecting plate 900 on the basic standard knot 100 is suitable for being connected with the turbine rotor connecting plate 1100 with a single-layer structure.
The first connecting rotor standard joint 200 is adapted to connect to a turbine rotor connecting plate 1100, which includes a support column cylinder 500, a connecting joint flange 210 at both ends of the support column cylinder 500, and a double-layered flange connecting plate 900. The double-layered flange connection plate 900 of the first connecting rotor standard joint 200 is used for connecting the turbine rotor connection plate 1100 of the double-layered structure. The connecting joint flanges 210 at the two ends of the first connecting rotor standard joint 200 are respectively used for connecting a second connecting rotor standard joint 300.
The second connecting rotor standard knot 300 comprises a support column cylinder 500, support knot flanges 310 positioned at two ends of the support column cylinder 500 and ear plates 320 arranged on the side wall of the support column cylinder 500. The second connection rotor standard knot 300 and the first connection rotor standard knot 200 are alternately arranged, one end of one second connection rotor standard knot 300 is connected with the basic standard knot 100, the other end of the second connection rotor standard knot is connected with one first connection rotor standard knot 200, one end of the other second connection rotor standard knot 300 is connected with one first connection rotor standard knot 200, the other end of the second connection rotor standard knot is connected with the supporting column top standard knot 400, and two ends of the other second connection rotor standard knots 300 are connected with one first connection rotor standard knot 200. The ear 320 of the second connecting rotor standard joint 300 is adapted to connect to a suspension cable 1200 that suspends the turbine rotor connection plate 1100.
The support column top standard knot 400 is located at the top end of the central support column and is adapted to connect the suspension cable 1200 suspending the turbine rotor connection plate 1100 and the top platform 800. The support column top standard knot 400 comprises a support column cylinder 500, column top connecting flanges 410 at both ends of the support column cylinder 500, and hanging connecting plates 420 provided on the side walls of the support column cylinder 500. Suspension connection plate 420 is adapted to be fixedly connected to suspension cables 1200 of suspension turbine rotor connection plate 1100.
In an embodiment of the present invention, each second connecting rotor standard joint 300 is provided with at least two layers of ear plates 320, and a plurality of ear plates 320 are arranged on each layer of ear plates 320 in the circumferential direction around the axis of the second connecting rotor standard joint 300; the suspension connection plates 420 on the support column top standard knot 400 are provided with at least two layers, and a plurality of suspension connection plates 420 are circumferentially arranged around the axis of the support column top standard knot 400 on each layer. The at least two layers of ear plates 320 and the at least two layers of suspension connection plates 420 can be correspondingly connected with the multi-layer suspension cables 1200, and suspend different positions of the turbine rotor connection plate 1100 through the multi-layer suspension cables 1200, so as to form stable support for the turbine rotor connection plate 1100.
In an embodiment of the present invention, the flange connection plates 900 on the base standard knot 100 and the first connecting rotor standard knot 200 each include an inner ring connection flange 910 and an outer ring connection flange 920, the inner ring connection flange 910 is fixedly connected to the support column cylinder 500 and the outer ring connection flange 920, respectively, and the outer ring connection flange 920 is adapted to be connected to a turbine rotor connection body. With the flange connection plate 900 configured as described above, on the one hand, the connection area with the turbine rotor connection plate 1100 can be increased, and on the other hand, the size of the flange connection plate 900 can be reduced, which facilitates manufacturing, transportation, and installation.
Optionally, the outer ring connecting flange 920 is a multi-section flange structure circumferentially disposed around the inner ring connecting flange 910, and each section of the outer ring connecting flange 920 is fixedly connected to the inner ring connecting flange 910. The outer race connecting flange 920 of this configuration provides a number of advantages for the mounting of the turbine rotor connecting plate 1100 in place.
In an embodiment of the present invention, the supporting column cylinder 500 of the base standard joint 100, the first connecting rotor standard joint 200, the second connecting rotor standard joint 300, and the supporting column top standard joint 400 is provided with a reinforcing spiral plate 510, and the reinforcing spiral plate 510 is welded and fixed with the supporting column cylinder 500. The reinforcing spiral plate 510 is arranged to increase the strength of the support column barrel 500 on the premise of ensuring that the weight of the basic standard joint 100, the first rotor standard joint 200, the second rotor standard joint 300 and the support column top standard joint 400 is smaller.
In an embodiment of the invention, there is also provided a manufacturing process of the novel structure of the central support column of the vertical axis wind turbine applicable to any one of the above vertical axis wind turbine, the process including:
s1, obtaining a process platform;
referring to fig. 12 and 13, the process platform includes a process platform plate 1300, an automatic leveling device for the process platform, and a sliding groove bolt 1500, and the automatic leveling device for the process platform includes a plurality of electric self-control levelers 1400 disposed below the process platform plate 1300, and is capable of leveling the process platform plate 1300. The process platform platen 1300 is provided with a platform bolt sliding chute 1310 and an operation inlet hole 1320, the platform bolt sliding chute 1310 is arranged along the radial direction of the process platform platen 1300, and the chute bolt 1500 is connected to the platform bolt sliding chute 1310 in a sliding manner, so that the basic standard knots 100 with different specifications can be operated and fastened on the process platform platen 1300. Access holes 1320 are provided to facilitate access to the interior cavity for loading and unloading bolts and latches.
And S2, obtaining the basic standard knot 100 through a process platform.
Specifically, the foundation section bottom plate 110 is fixed on the process platform through the chute bolt 1500, the support column cylinder 500 is aligned according to the position determined by the foundation section bottom plate 110, the included angle between the perpendicularity of the support column cylinder 500 and the foundation section bottom plate 110 is 90 degrees, the support column cylinder 500 and the foundation section bottom plate 110 are welded firmly, the foundation section upper flange 120 is placed at the upper end of the support column cylinder 500, the outer side of the foundation section upper flange 120 is aligned with the outer side of the support column cylinder 500, and finally the support column cylinder 500 and the foundation section upper flange 120 are welded and fixed to complete the assembly welding of the foundation standard section 100.
And S3, fixing a flange plate at the end part of the support column barrel 500 by taking the standard foundation knot 100 as a support and fixing foundation. Step S3 specifically includes:
s31, fixing a flange plate on the base section upper flange 120 of the base standard section 100 through bolts and bolts to enable the flange plate to be vertically aligned with the base section upper flange 120;
s32, overlapping and seating a support column cylinder 500 on the flange plate, vertically aligning the support column cylinder 500, the flange plate and the flange 120 on the base section, and welding and fixing the support column cylinder 500 and the flange plate;
s33, a worker enters the support column barrel 500 through the operation inlet hole 1320 and removes the bolt and the bolt pin;
s34, fixing the other flange plate on the upper flange 120 of the base section of the standard base section 100 to enable the flange plate to be vertically aligned with the upper flange 120 of the base section;
s35, the support column cylinder 500 is turned by 180 degrees and then is stacked on the flange plate, so that the support column cylinder 500, the flange plate and the flange 120 on the base section are vertically aligned, and the support column cylinder 500 and the flange plate are welded and fixed.
S4, executing the step S3 and additionally welding the lug plates 320 to obtain a second connecting rotor standard knot 300;
s5, executing the step S3 and welding the flange connecting plate 900 to obtain a first connecting rotor standard knot 200;
s6, repeating the steps S4 and S5 to respectively obtain a plurality of second connecting rotor standard joints 300 and first connecting rotor standard joints 200;
and S7, executing the step S3 and welding the suspension connecting plate 420 to obtain the standard top section 400 of the support column.
And S8, connecting the foundation standard knot 100, the second connecting rotor standard knot 300, the first connecting rotor standard knot 200 and the support column top standard knot 400 through bolts and bolts to obtain the central support column of the vertical axis wind power generation device.
In the manufacturing process provided by the embodiment of the invention, the assembly welding of the basic standard knot 100 can ensure the precision, the second connecting rotor standard knot 300, the first connecting rotor standard knot 200 and the supporting column top standard knot 400 are all assembled and welded by taking the basic standard knot 100 as a supporting and fixing foundation, and the second connecting rotor standard knot 300, the first connecting rotor standard knot 200 and the supporting column top standard knot 400 are all accurately concentric with the basic standard knot 100, so that the perpendicularity of a central supporting column formed by firmly connecting all standard knots by using special bolts and bolts according to the positions of the standard knots can be ensured to be 0.5/1000, and the stable operation of the turbine rotor is ensured.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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 (5)

1. The manufacturing process of the novel structure of the central support column of the vertical axis wind power generation device is characterized in that the novel structure of the central support column of the vertical axis wind power generation device comprises a plurality of support column units which are axially arranged, each support column unit comprises a support column cylinder body, a reinforcing spiral plate fixedly connected with the inner wall of the cylinder body and a flange plate arranged at the end part of the support column cylinder body, and the flange plates of the adjacent support column units are positioned and connected through bolts and bolts;
the support column unit includes:
the bottom end of the basic standard knot is provided with a basic knot bottom plate, and the basic knot bottom plate is suitable for being connected with a lower roller thrust bearing of a turbine rotor;
the first connecting rotor standard knot is suitable for connecting a turbine rotor connecting plate;
the second connecting rotor standard knot and the first connecting rotor standard knot are alternately arranged and are suitable for being connected with a suspension cable for suspending the turbine rotor connecting plate;
the supporting column top standard knot is positioned at the top end and is suitable for connecting a suspension cable for suspending the turbine rotor connecting plate and a top platform;
the first connecting rotor standard knot is provided with a double-layer flange connecting plate, the double-layer flange connecting plate on the first connecting rotor standard knot is used for connecting a turbine rotor connecting plate with a double-layer structure, the side wall of the second connecting rotor standard knot is provided with an ear plate, the supporting column top standard knot is provided with a suspension connecting plate, and the ear plate and the suspension connecting plate are suitable for being fixedly connected with a suspension cable for suspending the turbine rotor connecting plate;
the manufacturing process comprises the following steps:
s1, obtaining a process platform, wherein the process platform comprises a process platform bedplate, a process platform automatic leveling device and a chute bolt, the process platform automatic leveling device comprises a plurality of electric automatic control levelers arranged below the process platform bedplate, a platform bolt chute and an operation inlet hole are arranged on the process platform bedplate, the platform bolt chute is arranged along the radial direction of the process platform bedplate, and the chute bolt is connected to the platform bolt chute in a sliding manner;
s2, obtaining a basic standard knot through the process platform;
s3, fixing a flange plate at the end part of the support column cylinder by taking the foundation standard knot as a support fixing foundation;
s4, executing the step S3 and additionally welding lug plates to obtain a second connecting rotor standard knot;
s5, executing the step S3 and additionally welding a flange connecting plate to obtain a first connecting rotor standard knot;
s6, repeating the steps S4 and S5 to respectively obtain a plurality of second connecting rotor standard knots and a plurality of first connecting rotor standard knots;
s7, executing the step S3 and additionally welding a suspension connecting plate to obtain a standard section of the top of the support column;
and S8, connecting the foundation standard knot, the second connecting rotor standard knot, the first connecting rotor standard knot and the supporting column top standard knot through bolts and bolts.
2. The manufacturing process of the novel structure of the central support column of the vertical axis wind turbine generator according to claim 1, wherein a single layer of flange connecting plate is arranged on the standard foundation section, and the single layer of flange connecting plate on the standard foundation section is suitable for connecting a turbine rotor connecting plate with a single layer structure.
3. The manufacturing process of the novel structure of the central support column of the vertical axis wind turbine generator according to claim 1 or 2, wherein the flange connecting plate comprises an inner ring connecting flange and an outer ring connecting flange, the inner ring connecting flange is fixedly connected with the support column cylinder and the outer ring connecting flange respectively, and the outer ring connecting flange is suitable for being connected with a turbine rotor connecting body.
4. The manufacturing process of the novel structure of the central support column of the vertical axis wind turbine generator as claimed in claim 3, wherein the outer ring connecting flange is a multi-section flange structure circumferentially disposed around the inner ring connecting flange, and each section of the outer ring connecting flange is fixedly connected to the inner ring connecting flange.
5. The manufacturing process of the novel structure of the central support column of the vertical axis wind turbine according to claim 4, wherein the ear plates are respectively provided with at least two layers on the second connecting rotor standard knot and the suspension connecting plate is provided with at least two layers on the support column top standard knot, and the ear plates of each layer and the suspension connecting plates of each layer are circumferentially provided in plurality.
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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
CN112943552A (en) * 2021-04-22 2021-06-11 周连惠 Composite material integral windmill tower drum with bird bone-imitated structure

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Publication number Priority date Publication date Assignee Title
CN202280576U (en) * 2011-08-11 2012-06-20 邓允河 Steel tube prefabricated vertical axis wind-driven generator tower column
CN202348569U (en) * 2011-08-11 2012-07-25 邓允河 Vertical axis wind generator
CN211144692U (en) * 2019-11-24 2020-07-31 河北宏远创研能源科技有限公司 Spatial structure rotating wheel for vertical axis wind generating set
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