CN213016634U

CN213016634U - Wind power generation tower cylinder base fixing device

Info

Publication number: CN213016634U
Application number: CN202021623970.4U
Authority: CN
Inventors: 袁云; 马妤; 闵坚
Original assignee: Nanjing Guodian Nanzi New Energy Engineering Technology Co ltd
Current assignee: Nanjing Guodian Nanzi New Energy Engineering Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-20
Anticipated expiration: 2030-08-06

Abstract

The utility model relates to a wind power generation technical field just discloses a wind power generation tower section of thick bamboo base fixing device, including the cement base, the inner chamber center fixed mounting of cement base has prevents the electricity shell, prevent the welding of the inner chamber bottom of electricity shell and have the iron core, the winding has the coil on the periphery of iron core. The utility model discloses a central electro-magnet of design, make the small-size electric power transformation system of wind energy conversion system on through the cement base when the electricity generation for the coil circular telegram, make central electro-magnet produce suction to a tower section of thick bamboo and carry out the self-locking of a tower section of thick bamboo, the draw-in groove that forms between central electro-magnet through the design and the dynamic shock absorber, make a tower section of thick bamboo joint in the draw-in groove, make the degree of freedom about a tower section of thick bamboo receive the restriction, fastening bolt design through the cement base top, make a tower section of thick bamboo joint carry out mechanical fixation after in the draw-in groove, the upper and lower degree of freedom that makes a tower.

Description

Wind power generation tower cylinder base fixing device

Technical Field

The utility model relates to a wind power generation technical field specifically is a wind power generation tower section of thick bamboo base fixing device.

Background

Wind power generation is a new energy power generation mode for capturing wind energy and converting the wind energy into electric energy through a wind turbine, the wind energy is the clean energy which is the fastest developed renewable energy and is also the power generation mode with the greatest large-scale development and commercial development prospects, but the wind turbine required by the wind power generation is not simple in installation, and the wind turbine is fixed in installation at present or is fixed by a concrete pouring base fixing device.

The fixing mode is that the tower drum of the wind turbine and the base fixing device are connected and fixed in the most basic mechanical mode only through the simple flange, a gap still exists between the tower drum and the base, the tower drum and the base are not stable enough, potential safety hazards exist in strong wind weather, the wind turbine can generate vibration during operation, the vibration is absorbed by the tower drum, and the existing base fixing device cannot help the tower drum to digest the vibration, so that the service life of the tower drum is not long.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a wind power generation tower section of thick bamboo base fixing device possesses the advantage of firm fixed tower section of thick bamboo base, absorption tower section of thick bamboo vibrations, has solved the problem that above-mentioned background art mentioned.

The utility model provides a following technical scheme: the utility model provides a wind power generation tower section of thick bamboo base fixing device, includes the cement base, the inner chamber center fixed mounting of cement base prevents the electricity shell, the inner chamber bottom welding of preventing the electricity shell has the iron core, the winding has the coil on the periphery of iron core, swing joint has four power shock attenuation boards that are ninety degrees evenly distributed on the inner chamber wall of cement base, it has damping spring to encircle in the arch of power shock attenuation board, it has a tower section of thick bamboo base to prevent the draw-in groove joint that forms between electricity shell and the shock attenuation board, the surface middle part fixedly connected with fixed station of tower section of thick bamboo base, the fixed station passes through fastening bolt threaded connection in the upper end of cement base, charge rectifier, accumulator jar and dc-to-ac converter have been placed to the top.

Preferably, the middle bulge of the cement base is conical, the inner cavity of the cement base is cylindrical, and the inner wall of the cement base is fixedly connected with a damping cylinder for accommodating a damping spring.

Preferably, the electricity-proof shell, the coil and the iron core jointly form a central electromagnet, and a gap exists between the coil and the electricity-proof shell.

Preferably, all there is three arch on each of shock attenuation board, damping spring's one end fixed connection is on the shock attenuation board, and other end fixed connection is in the bottom of damper cylinder inner chamber, shock attenuation board, damping spring and damper cylinder have constituteed power shock absorber jointly.

Preferably, the number of the fixing tables is twenty-four, the twenty-four fixing tables are uniformly distributed in the middle of the outer surface of the tower base, and threaded holes are formed in the position, perpendicular to the fixing tables, of the upper end of the cement base.

Preferably, the output end of the charging rectifier is fixedly connected with the input end of the storage battery through an electric wire, the output end of the storage battery is fixedly connected with the input end of the inverter through an electric wire, and the output end of the inverter is fixedly connected with the input end of the coil through an electric wire.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a central electro-magnet of design, make the small-size electric power transformation system of wind energy conversion system on through the cement base when the electricity generation for the coil circular telegram, make central electro-magnet produce suction to a tower section of thick bamboo and carry out the self-locking of a tower section of thick bamboo, the draw-in groove that forms between central electro-magnet through the design and the dynamic shock absorber, make a tower section of thick bamboo joint in the draw-in groove, make the degree of freedom about a tower section of thick bamboo receive the restriction, fastening bolt design through the cement base top, make a tower section of thick bamboo joint carry out mechanical fixation after in the draw-in groove, the upper and lower degree of freedom that makes a tower.

2. The utility model discloses a dynamic damper of design makes the shaking force that a tower section of thick bamboo produced when the vibrations of absorption engine can be absorbed by dynamic damper, makes the vibrations of a tower section of thick bamboo obtain the buffering, makes the durability of a tower section of thick bamboo obtain the improvement.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the coil structure of the present invention;

FIG. 3 is a schematic view of the structure of the shock absorbing plate of the present invention;

fig. 4 is a schematic view of the tower base structure of the present invention.

In the figure: 1. a cement base; 2. an electricity-proof housing; 201. an iron core; 202. a coil; 3. a damper plate; 301. a damping spring; 302. a damper cylinder; 4. a tower base; 5. a fixed table; 6. a charging rectifier; 7. an accumulator jar; 8. an inverter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, a wind power generation tower cylinder base fixing device, including cement base 1, the inner chamber center fixed mounting of cement base 1 has prevents electric shell 2, the inner chamber bottom welding of preventing electric shell 2 has iron core 201, the winding has coil 202 on the periphery of iron core 201, swing joint has four to be ninety degrees evenly distributed's dynamic damping plate 3 on the inner chamber wall of cement base 1, around having damping spring 301 in the arch of dynamic damping plate 3, the draw-in groove joint that prevents to form between electric shell 2 and the damping plate 3 has tower cylinder base 4, the surface middle part fixed connection of tower cylinder base 4 has fixed station 5, fixed station 5 passes through fastening bolt threaded connection in the upper end of cement base 1, charge rectifier 6 has been placed to the top of cement base 1, accumulator jar 7 and dc-to-ac converter 8.

Wherein, the centre arch of cement base 1 is conical, and cement base 1's inner chamber is cylindrical, damping cylinder 302 of damping spring 301 is accomodate to fixedly connected with on cement base 1's the inner wall, columniform inner chamber, make tower section of thick bamboo base 4 can make things convenient for the joint with cement base 1 more, conical arch, the bulge area that makes cement base 1 is bigger, and the atress is more stable, fixed connection's damping cylinder 302, make power damper can transmit cement base 1 with some vibrations power when absorbing the vibrations power of a tower section of thick bamboo, make power damper's load reduce, the operation is more stable.

The electricity-proof shell 2, the coil 202 and the iron core 201 jointly form a central electromagnet, a gap exists between the coil 202 and the electricity-proof shell 2, the central electromagnet enables the central electromagnet to generate electromagnetic attraction to adsorb the tower base 4 when the wind turbine operates, the self-locking of the tower base 4 is achieved, and the gap between the coil 202 and the electricity-proof shell 2 guarantees the safety of the coil 202 when the wind turbine is electrified.

Wherein, all there is three arch on each of shock attenuation board 3, damping spring 301's one end fixed connection is on shock attenuation board 3, other end fixed connection is in the bottom of damper 302 inner chamber, shock attenuation board 3, damping spring 301 and damper 302 have constituteed power damper jointly, power damper makes the shaking force that a tower section of thick bamboo produced when the vibration, can absorb and cushion by power damper, and the three arch of shock attenuation board 3, make shock attenuation board 3 more stable when the atress, make shock attenuation board 3 can not appear the slope and lead to the condition of card shell.

Wherein, the total twenty four of quantity of fixed station 5, and twenty four fixed station 5 evenly distributed are at the surface middle part of tower section of thick bamboo base 4, and the position of cement base 1 upper end perpendicular to fixed station 5 has seted up the screw hole, and twenty four fixed stations 5 form the structure of similar flange, make the mechanical fastening between tower section of thick bamboo base 4 and the cement base 1 more stable.

The output end of the charging rectifier 6 is fixedly connected with the input end of the storage battery 7 through an electric wire, the output end of the storage battery 7 is fixedly connected with the input end of the inverter 8 through an electric wire, and the output end of the inverter 8 is fixedly connected with the input end of the coil 202 through an electric wire, so that the charging rectifier 6 converts unstable alternating current generated by the wind turbine into stable direct current to charge the storage battery 7, the inverter 8 converts chemical energy in the storage battery 7 into usable electric energy, the inverter 8 transmits the usable electric energy to the coil 202, and the central electromagnet can stably work.

The working principle is as follows: when in use, firstly, the damping spring 301 surrounds the bulge of the damping plate 3, one end of the damping spring 301 is welded on the damping plate 3, the other end of the damping spring 301 is welded at the bottom end of the inner cavity of the damping cylinder 302, the three jointly form a dynamic damper, then the cement base 1 is poured by concrete and steel bars, the damping cylinder 302 is poured and fixed in the wall of the inner cavity of the cement base 1, the bottom of the electricity-proof shell 2 is buried at the bottom of the inner cavity of the cement base 1 while the cement base 1 is poured, then the bottom of the iron core 201 is welded at the bottom of the inner cavity of the electricity-proof shell 2, then the coil 202 is wound on the circumferential surface of the iron core 201, the electricity-proof shell 2, the iron core 201 and the coil 202 form a central electromagnet, after the cement base 1 is dried, the charging rectifier 6, the accumulator 7 and the inverter 8 are placed above the cement base 1, and the circuit is, then, the tower barrel base 4 is placed into a clamping groove formed by the electricity-proof shell 2 and the damping plate 3, and the fixing platform 5 and the cement base 1 are mechanically fixed by fastening bolts;

and finally, operating the wind turbine, turning on the charging rectifier 6, enabling a part of unstable alternating current generated by the wind turbine to pass through the charging rectifier 6 to charge the storage battery 7, turning on the inverter 8 to convert chemical energy in the storage battery 7 into stable alternating current, enabling the converted current to be transmitted to the coil 202 through a wire, enabling the coil 202 to be electrified, enabling the central electromagnet to form electromagnetic force, adsorbing the tower drum base 4, and completely fixing the tower drum base 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wind power generation tower section of thick bamboo base fixing device, includes cement base (1), its characterized in that: an electricity-proof shell (2) is fixedly arranged at the center of the inner cavity of the cement base (1), an iron core (201) is welded at the bottom of the inner cavity of the electricity-proof shell (2), a coil (202) is wound on the circumferential surface of the iron core (201), the inner cavity wall of the cement base (1) is movably connected with four dynamic damping plates (3) which are uniformly distributed at ninety degrees, a damping spring (301) is arranged on the bulge of the dynamic damping plate (3) in a surrounding way, a clamping groove formed between the electricity-proof shell (2) and the damping plate (3) is clamped with a tower barrel base (4), the middle part of the outer surface of the tower drum base (4) is fixedly connected with a fixed platform (5), the fixed platform (5) is connected with the upper end of the cement base (1) through a fastening bolt, and a charging rectifier (6), a storage battery (7) and an inverter (8) are arranged above the cement base (1).

2. The wind power generation tower base fixing device of claim 1, wherein: the middle bulge of the cement base (1) is conical, the inner cavity of the cement base (1) is cylindrical, and a damping cylinder (302) for accommodating a damping spring (301) is fixedly connected to the inner wall of the cement base (1).

3. The wind power generation tower base fixing device of claim 1, wherein: the electricity-proof shell (2), the coil (202) and the iron core (201) jointly form a central electromagnet, and a gap exists between the coil (202) and the electricity-proof shell (2).

4. The wind power generation tower base fixing device of claim 1, wherein: all there is three arch on each of shock attenuation board (3), the one end fixed connection of damping spring (301) is on shock attenuation board (3), and other end fixed connection is in the bottom of damper cylinder (302) inner chamber, dynamic damper has been constituteed jointly to shock attenuation board (3), damping spring (301) and damper cylinder (302).

5. The wind power generation tower base fixing device of claim 1, wherein: the number of the fixing tables (5) is twenty-four, the twenty-four fixing tables (5) are uniformly distributed in the middle of the outer surface of the tower tube base (4), and threaded holes are formed in the position, perpendicular to the fixing tables (5), of the upper end of the cement base (1).

6. The wind power generation tower base fixing device of claim 1, wherein: the output end of the charging rectifier (6) is fixedly connected with the input end of the storage battery (7) through an electric wire, the output end of the storage battery (7) is fixedly connected with the input end of the inverter (8) through an electric wire, and the output end of the inverter (8) is fixedly connected with the input end of the coil (202) through an electric wire.