CN114016538A

CN114016538A - Shock attenuation self-balancing type offshore wind power generation unit group stake basis

Info

Publication number: CN114016538A
Application number: CN202111406980.1A
Authority: CN
Inventors: 周磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-02-08

Abstract

The invention relates to a damping self-balancing offshore wind turbine cluster pile foundation, wherein a threaded sleeve is connected on the inner wall of a support column in a sliding manner, a meshing gear is fixedly sleeved on a threaded rod of an internal threaded rod of the support column, an embedded disc is fixedly arranged on an output shaft of a driving motor on the inner wall of the support column, rack rods are respectively meshed on the front side and the rear side of a driving gear on a telescopic rod, the bottom ends of the two rack rods are respectively meshed with the meshing gear, the top end of a toothed belt rotatably connected on the inner wall of the support column is meshed with the bottom of the rack rod positioned at the front side, the rear side of the toothed belt is fixedly connected with the telescopic rod, butt-joint sleeves are respectively fixedly arranged on the rear side and the right side of the support column, butt-joint mechanisms are arranged on the left side and the front side butt-joint rods of the support column, a positioning mechanism is arranged on the inner wall of a cavity on the butt-joint sleeves, the positioning mechanism is matched with the butt-joint mechanisms, and the problem that the splicing process between the adjacent bearing foundations of the existing offshore wind turbine is complicated is solved, the connection strength of the adjacent pile group foundations after assembly is low, and the service life of the pile group foundations is influenced.

Description

Shock attenuation self-balancing type offshore wind power generation unit group stake basis

Technical Field

The invention belongs to the technical field of wind power generation, and relates to a damping self-balancing offshore wind turbine group pile foundation.

Background

With the development of scientific technology, and the continuous advocated development and application of new energy and new technology in China, many energy sources with no pollution, low energy consumption and low use cost are gradually and widely used, such as wind energy. At present, the wind power is the most used wind power generator, and the offshore wind power generator is the most widely used wind power generator. However, due to the harsh and complex use environment of the sea, the offshore wind turbine is impacted and affected by various extreme loads such as the ocean, the currents, the wind, the waves and the like, the borne torsional load is too large, the yawing motion is too violent, the offshore wind turbine is likely to overturn, the reliable, safe and normal use of the offshore wind turbine is affected, and huge economic loss is caused.

The existing offshore wind driven generators mostly need to be arranged on a bearing foundation, at present, the bearing foundation for installing the offshore wind driven generators has various structural forms, the splicing process between the existing adjacent bearing foundations is complex, the connection strength of the adjacent pile group foundations after splicing is low, and the wind driven generators are easy to overturn when being impacted and influenced by various extreme loads such as ocean, flow, wind, wave and the like.

Disclosure of Invention

In view of the above, the invention provides a damping self-balancing offshore wind turbine group pile foundation, which aims to solve the problems that the splicing process between adjacent bearing foundations of the existing offshore wind turbine is complex, the connection strength of the adjacent pile group foundations after splicing is low, and the wind turbine is easy to overturn and the service life of the wind turbine is influenced when the wind turbine is impacted and influenced by various extreme loads such as ocean, flow, wind, wave and the like.

In order to achieve the purpose, the invention provides the following technical scheme:

a damping self-balancing offshore wind turbine group pile foundation comprises a supporting column, wherein a platform is fixedly mounted at the top of the supporting column, the supporting column is of a hollow structure, a threaded sleeve is connected to the inner wall of the supporting column in a sliding manner, a base is fixedly mounted at the bottom of the threaded sleeve, a threaded rod is arranged in the supporting column and is in threaded connection with the inner wall of the threaded sleeve, a meshing gear is fixedly sleeved on the threaded rod, a driving motor is fixedly mounted on the inner wall of the supporting column, an embedding disc is fixedly mounted on an output shaft of the driving motor and is matched with the threaded rod, a driving gear is sleeved on a telescopic rod of the driving motor, rack rods are respectively meshed with the front side and the back side of the driving gear, the bottom ends of the two rack rods are respectively meshed with the meshing gear, and the inner wall of the supporting column is rotatably connected with symmetrically arranged belt pulleys, the quantity of belt pulley is two, and the cover is equipped with same toothed belt on two belt pulleys, the top of toothed belt meshes with the bottom that is located the rack bar of front side position, the rear side and the telescopic link fixed connection of toothed belt, the equal fixed mounting in rear side and the right side of support column has the butt joint cover, the left side and the equal fixed mounting in front side of support column have the butt joint pole, be equipped with docking mechanism on the butt joint pole, the cavity has been seted up on the butt joint cover, be equipped with positioning mechanism on the inner wall of cavity, positioning mechanism cooperatees with docking mechanism.

The beneficial effect of this basic scheme lies in: through driving motor, driving motor removes the location to the threaded rod earlier, and it is rotatory to drive the threaded rod again, and the accessible threaded rod promotes the thread bush, realizes the extension to the length of support column, can extend the bottom on group's pile basis, comes the seabed of the different degree of depth of adaptation, still can fix a position the threaded rod automatically after the regulation is accomplished, realizes more firm support.

Further, docking mechanism includes meshing cover and cooperation piece, meshing cover is hollow structure, meshing cover and butt joint pole fixed connection, cooperation piece fixed mounting is on the right side inner wall of meshing cover, beneficial effect: the connection between the butt joint rod and the sleeve can be realized, the connection between two pile group foundations can be realized, and a plurality of pile group foundations can be combined into a larger pile group foundation to install the wind driven generator together.

Further, the positioning mechanism comprises a supporting block, a rotating rod, a meshing block, a half gear, a rotating frame, a driving gear, a positioning motor and a connecting gear, the supporting block is fixedly arranged on the inner wall of the cavity, the number of the connecting rods and the number of the meshing blocks are two, the two connecting rods are respectively and rotationally connected with the two meshing blocks, the two meshing blocks are both connected to the right side of the supporting block in a sliding manner, the rotating rod penetrates through the supporting block and is rotationally connected with the inner wall of the left side of the cavity, the half gear is fixedly arranged on the left side of the top of the rotating rod, the connecting gear is rotationally connected on the inner wall of the left side of the cavity, the rotating frame and the positioning motor are both fixedly arranged at the top of the butting sleeve, the driving gear is rotationally connected with the rotating frame, the driving gear is fixedly connected with an output shaft of the positioning motor, and the driving gear is meshed with the connecting gear, so that the device has the advantages that: the positioning mechanism is used for automatically positioning the butt joint rod when the butt joint rod is inserted into the butt joint sleeve, so that more stable fixation is realized.

Further, rectangular grooves are formed in the inner walls of the top and the bottom of the meshing sleeve, and the meshing block is in sliding contact with the inner walls of the rectangular grooves, so that the meshing sleeve has the advantages that: when the rotating rod pushes the meshing block to be meshed with the rectangular groove through the connecting rod, the meshing block can block the meshing sleeve from being pulled out, and the meshing sleeve can be automatically positioned.

Further, the right-hand member of cooperation piece left end and dwang is arc structure, beneficial effect: when the matching block is contacted with the rotating rod, the matching block can push the rotating rod to rotate, and the rotating rod pushes the meshing block to be meshed with the rectangular groove.

Further, the embedding dish is octagon structure, the octagon recess has been seted up at the top of threaded rod, the outside of embedding dish and the inner wall sliding contact of octagon recess, beneficial effect: when the embedding disc is meshed with the octagonal groove, the embedding disc can drive the threaded rod to rotate, and the threaded rod can push the supporting column to extend.

Further, the outside of threaded rod is rotated and is connected with fixed cover, fixed cover fixed mounting is on the inner wall of support column, beneficial effect: the threaded rod is positioned in the support column, so that the embedded disc can drive the threaded rod to rotate.

Further, the location spout that the symmetry set up is seted up on the right side of supporting shoe, the quantity of location spout is two, the left side of two meshing pieces respectively with the inner wall sliding connection of two location spouts, beneficial effect: so that the two meshing blocks can slide on the right side of the supporting block and slide into the rectangular grooves to position the meshing sleeves.

Further, the equal fixed mounting in both sides of support column has the bracing piece, two bracing pieces all with the bottom fixed connection of platform, beneficial effect: the bracing piece is used for supporting platform, consolidates the platform.

Further, the equal fixed mounting in left side and the right side of two rack bars has positioning spring, and two positioning spring's left end and right-hand member respectively with the left side and the right side inner wall fixed connection of support column, beneficial effect: the rack bar resetting device is used for resetting the rack bar, so that the rack bar can be meshed with the meshing gear again through the positioning spring after being driven by the driving gear to move, the positioning of the threaded rod is realized, and more stable support is realized.

The invention has the beneficial effects that:

1. the invention discloses a damping self-balancing offshore wind turbine group pile foundation, which is characterized in that butt rods on two group pile foundations are butted with a butt sleeve, the butt rods are inserted into the butt sleeve, the butt sleeve automatically fixes the butt rods, the two group pile foundations are butted, a plurality of group pile foundations form a larger group pile foundation, a plurality of wind turbines can be installed on the spliced large group pile foundation, the wind turbines are connected, the maintenance time of maintenance workers is reduced, the next wind turbine can be directly moved without the need of the workers to sit on a ship after getting off one generator, and meanwhile, the stability of the group pile foundations is improved when the plurality of group pile foundations form a larger group pile foundation.

2. According to the damping self-balancing offshore wind turbine cluster pile foundation disclosed by the invention, the driving motor can drive the supporting columns to extend by starting the driving motor, so that the length of the supporting columns is lengthened, the bottom of each cluster pile foundation can be extended by different lengths, so that the offshore wind turbine cluster pile foundation can be perfectly adapted to seabed with different depths, the driving motor is stopped after the length is adjusted, then the two rack rods can be reset by the two positioning springs, at the moment, the two rack rods are meshed with the driving gear again, the threaded rods are positioned, more stable support is realized, then the cluster pile foundation is fixed on the seabed, the flatness of a platform can be kept while the cluster pile foundation is tightly attached to the seabed, and as the length of each cluster pile foundation can be adjusted, each cluster pile foundation does not have suspension, and virtual support does not exist.

3. The damping self-balancing offshore wind turbine group pile foundation disclosed by the invention is simple in structure, two group pile foundations can be butted and automatically formed and fixed through the butt joint of the butt joint rod and the butt joint sleeve, a plurality of group pile foundations can form a larger group pile foundation, then the driving motor is started, the driving motor can drive the supporting columns to extend to lengthen the length of the supporting columns, so that the damping self-balancing offshore wind turbine group pile foundation is perfectly adapted to seabed with different depths, and the damping self-balancing offshore wind turbine group pile foundation is simple to operate and convenient to use.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a structural three-dimensional view of a damping self-balancing offshore wind turbine group pile foundation of the present invention;

FIG. 2 is a structural main sectional view of a damping self-balancing offshore wind turbine group pile foundation of the present invention;

FIG. 3 is a three-dimensional schematic view of an embedded disc in a damping self-balancing offshore wind turbine group pile foundation according to the present invention;

FIG. 4 is a top view of a threaded rod in a damping self-balancing offshore wind turbine group pile foundation of the present invention;

FIG. 5 is a three-dimensional connection diagram of a rotating rod and a supporting block in a damping self-balancing offshore wind turbine group pile foundation of the invention;

FIG. 6 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 7 is an enlarged view of the invention at B of FIG. 2;

FIG. 8 is a side view of a support block in the pile foundation of the damping self-balancing offshore wind turbine group.

Reference numerals: the device comprises a support column 1, a driving motor 2, a thread bushing 3, a threaded rod 4, a base 5, a butt joint bushing 6, a chamber 7, a support block 8, a rotating rod 9, a meshing block 10, a butt joint rod 11, a meshing sleeve 12, a matching block 13, a connecting rod 14, a half gear 15, a rotating frame 16, a driving gear 17, a positioning motor 18, a telescopic rod 19, an embedded disc 20, a rack rod 21, a positioning spring 22, a meshing gear 23, a toothed belt 24, a belt pulley 25, a driving gear 26, a platform 27, a support rod 28 and a connecting gear 29.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

1-8, including support column 1, the top fixed mounting of support column 1 has platform 27, platform 27 is used for installing aerogenerator, also can supply the maintainer to walk on it, conveniently maintain and safeguard aerogenerator, support column 1 is hollow structure, sliding connection has thread bush 3 on the inner wall of support column 1, the bottom fixed mounting of thread bush 3 has base 5, be equipped with threaded rod 4 in the support column 1, threaded

rod

4 and 3 threaded connection of thread bush, when threaded rod 4 rotates, threaded rod 4 just can promote thread bush 3, thread bush 3 promotes platform 27 again, the length of extension support column 1.

The outer side of the threaded rod 4 is rotatably connected with a fixed sleeve, the fixed sleeve is fixedly arranged on the inner wall of the support column 1 and is used for positioning the threaded rod 4 in the support column 1, so that the embedded disc 20 can drive the threaded rod 4 to rotate, the threaded rod 4 is in threaded connection with the inner wall of the threaded sleeve 3, the fixed sleeve on the threaded rod 4 is provided with an engaging gear 23, the inner wall of the support column 1 is fixedly provided with a driving motor 2, the output shaft of the driving motor 2 is fixedly provided with an embedded disc 20, the embedded disc 20 is matched with the threaded rod 4, the embedded disc 20 is of an octagonal structure, the top of the threaded rod 4 is provided with an octagonal groove, the outer side of the embedded disc 20 is in sliding contact with the inner wall of the octagonal groove, so that when the embedded disc 20 is meshed with the octagonal groove, the embedded disc 20 can drive the threaded rod 4 to rotate, the threaded rod 4 can push the support column 1 to extend, and the telescopic rod 19 is sleeved with a driving gear 26, all having meshed rack bar 21 behind the front side of driving gear 26, the bottom of two rack bar 21 all meshes with engaging gear 23 mutually, the equal fixed mounting in left side and the right side of two rack bar 21 has positioning spring 22, the left end and the right-hand member of two positioning spring 22 respectively with the left side and the right side inner wall fixed connection of support column 1, be used for reseing rack bar 21, make rack bar 21 still can with engaging gear 23 meshing again through positioning spring 22 after being driven to remove by driving gear 26, realize the location to threaded rod 4, realize more stable support.

The inner wall of the supporting column 1 is rotatably connected with two symmetrically arranged belt pulleys 25, the two belt pulleys 25 are sleeved with the same toothed belt 24, the top end of the toothed belt 24 is meshed with the bottom of the rack bar 21 located at the front side, and the rear side of the toothed belt 24 is fixedly connected with the telescopic rod 19.

The equal fixed mounting in rear side and the right side of support column 1 has butt joint cover 6, the equal fixed mounting in left side and the front side of support column 1 has butt joint pole 11, be equipped with docking mechanism on the butt joint pole 11, docking mechanism includes meshing cover 12 and cooperation piece 13, meshing cover 12 is hollow structure, meshing cover 12 and butt joint pole 11 fixed connection, cooperation piece 13 fixed mounting is on the right side inner wall of meshing cover 12, realized butt joint pole 11 with to separating the connection of cover, just can realize the connection on two crowd's pile bases, still can constitute a great crowd's pile basis with a plurality of crowd's pile bases, install together aerogenerator.

The butt joint sleeve 6 is provided with a cavity 7, the inner wall of the cavity 7 is provided with a positioning mechanism, the positioning mechanism comprises a supporting block 8, a rotating rod 9, a meshing block 10, a half gear 15, a rotating frame 16, a driving gear 17, a positioning motor 18 and a connecting gear 29, the supporting block 8 is fixedly arranged on the inner wall of the cavity 7, the number of the connecting rods 14 and the number of the meshing block 10 are two, the two connecting rods 14 are respectively rotatably connected with the two meshing blocks 10, the inner walls of the top and the bottom of the meshing sleeve 12 are respectively provided with a rectangular groove, the meshing block 10 is in sliding contact with the inner wall of the rectangular groove, when the rotating rod 9 pushes the meshing block 10 to be meshed with the rectangular groove through the connecting rods 14, the meshing block 10 can block the meshing sleeve 12 from being pulled out, so that the meshing sleeve 12 can be automatically positioned, the two meshing blocks 10 are both slidably connected to the right side of the supporting block 8, the right side of the supporting block 8 is provided with symmetrically arranged positioning chutes, the quantity of location spout is two, the left side of two meshing pieces 10 respectively with the inner wall sliding connection of two location spouts, make two meshing pieces 10 can slide on the right side of supporting shoe 8, slide to the meshing cover 12 in the rectangular groove and fix a position, dwang 9 runs through supporting shoe 8 and is connected with the left side inner wall rotation of

cavity

7, 15 fixed mounting of semi-gear is on the left of the top of dwang 9, when needs are dismantled butt joint cover 6 and butt joint pole 11, accessible positioning motor 18 drives semi-gear 15 and resets and realize the dismantlement to butt joint pole 11.

The connecting gear 29 is rotatably connected to the inner wall of the left side of the cavity 7, the rotating frame 16 and the positioning motor 18 are both fixedly installed at the top of the butting sleeve 6, the driving gear 17 is rotatably connected with the rotating frame 16, the driving gear 17 is fixedly connected with an output shaft of the positioning motor 18, the driving gear 17 is meshed with the connecting gear 29, the positioning mechanism is used for automatically positioning the butting rod 11 when the butting rod 11 is inserted into the butting sleeve 6 to realize more stable fixation, the positioning mechanism is matched with the butting mechanism, the driving motor 2 firstly releases the positioning of the threaded rod 4 and then drives the threaded rod 4 to rotate through the driving motor 2, the threaded sleeve 3 can be pushed through the threaded rod 4 to realize the lengthening of the length of the supporting column 1, the bottom of a group pile foundation can be extended to adapt to seabed of different depths, and the threaded rod 4 can be automatically positioned after adjustment is completed, realize more firm support, the equal fixed mounting in both sides of support column 1 has bracing piece 28, two bracing pieces 28 all with platform 27's bottom fixed connection, bracing piece 28 is used for supporting platform 27, consolidates platform 27.

When splicing two pile foundations in this marine wind turbine group pile foundation of shock attenuation self-balancing type, need dock butt rod 11 and docking sleeve 6 on two pile foundations, insert docking rod 11 in docking sleeve 6, meshing sleeve 12 will insert in the cavity 7 of docking sleeve 6 this moment, slide with supporting shoe 8's the outside, cooperation piece 13 in meshing sleeve 12 this moment will contact with dwang 9, the arc structure on cooperation piece 13 will contact with dwang 9 arc structure this moment, cooperation piece 13 will promote dwang 9 to rotate, dwang 9 rethread two connecting rods 14 push into two meshing pieces 10 meshing cover 12 on the inner wall in the meshing groove, will mesh piece 10 will block meshing sleeve 12 and extract this moment, two pile foundations are docked and are accomplished.

The semi-gear 15 can be driven to rotate when the rotating rod 9 rotates, the semi-gear 15 drives the connecting gear 29 to rotate again, but the semi-gear 15 cannot be separated from the connecting gear 29, the connecting gear 29 can drive the driving gear 17 to rotate reversely, when two pile foundations need to be separated, only the positioning motor 18 needs to be started, the positioning motor 18 drives the driving gear 17 to rotate, the driving gear 17 drives the connecting gear 29 to rotate, the connecting gear 29 can drive the semi-gear 15 to reset, the semi-gear 15 drives the rotating rod 9 to rotate reversely, the rotating rod 9 pulls the two meshing blocks 10 through the connecting rod 14 again, the meshing blocks 10 are pulled to be separated from the meshing grooves, the meshing sleeve 12 is separated from the meshing blocks 10 at the moment, the meshing sleeve 12 can be pulled out, then the rotating rod 9 can push the matching block 13 to the right side, and the meshing sleeve 12 can be pushed out to assist separation.

If the seabed is deep and the length of the support column 1 needs to be increased, the operation can be realized by starting the driving motor 2, the driving motor 2 rotates to drive the telescopic rod 19 to rotate, the telescopic rod 19 drives the embedded disc 20 to rotate, the telescopic rod 19 rotates and also drives the driving gear 26 to rotate, the driving gear 26 is meshed with the two rack rods 21 to drive the two rack rods 21 to move towards the left side and the right side respectively, then the two rack rods 21 are separated from the meshed gear 23, at the moment, the threaded rod 4 can rotate freely, when the rack rod 21 at the front side moves towards the left side, the toothed belt 24 is knocked off to rotate, the toothed belt is fixed with the telescopic rod 19, the telescopic rod 19 is pulled down, the telescopic rod 19 pushes the embedded disc 20 to be meshed with the octagonal groove, the embedded disc 20 drives the threaded rod 4 to rotate, the threaded rod 4 pushes the threaded sleeve 3 downwards, and the threaded belt pushes the base 5 again, the extension of the support column 1 is realized to adapt to the seabed with different depths, and simultaneously, when a plurality of pile group foundations form a larger pile group foundation, the extension with different lengths can be carried out on the bottom of each pile group foundation, so that the support column can be perfectly adapted to the seabed with different depths.

After the length is adjusted, the driving motor 2 is stopped, then the two rack rods 21 are reset through the two positioning springs 22, the driving gear 26 is driven to rotate reversely for a while, at the moment, the two rack rods 21 are meshed with the driving gear 17 again, the threaded rod 4 is positioned, more stable support is realized, then the pile group foundation is fixed on the seabed, the flatness of the platform 27 can be kept while the pile group foundation is tightly attached to the seabed, a plurality of wind driven generators can be installed on the spliced large pile group foundation, the wind driven generators are connected, the maintenance time of maintenance workers is reduced, the next wind driven generator can be directly removed without the need of the workers to sit on a ship after getting off one generator, meanwhile, the stability of the pile group foundation is increased when a large pile group foundation is formed by a plurality of pile group foundations, and the length of each pile group foundation can be adjusted, each pile group foundation is not suspended in the air, and virtual support is not available.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. The utility model provides a shock attenuation self-balancing type marine wind power generation machine group stake basis, includes support column (1), its characterized in that, the top fixed mounting of support column (1) has platform (27), support column (1) is hollow structure, sliding connection has thread bush (3) on the inner wall of support column (1), the bottom fixed mounting of thread bush (3) has base (5), be equipped with threaded rod (4) in support column (1), the inner wall threaded connection of threaded rod (4) and thread bush (3), the fixed cover is equipped with meshing gear (23) on threaded rod (4), fixed mounting has driving motor (2) on the inner wall of support column (1), fixed mounting has embedding dish (20) on the output shaft of driving motor (2), embedding dish (20) cooperatees with threaded rod (4), driving gear (26) are gone up to driving motor (2)'s telescopic link (19), the front side and the back of driving gear (26) all mesh rack bar (21), the bottom of two rack bar (21) all meshes with meshing gear (23) mutually, swivelling joint has belt pulley (25) that the symmetry set up on the inner wall of support column (1), the quantity of belt pulley (25) is two, and the cover is equipped with same toothed belt (24) on two belt pulley (25), the top of toothed belt (24) meshes with the bottom of rack bar (21) that is located the front position, the rear side and telescopic link (19) fixed connection of toothed belt (24), the rear side and the right side of support column (1) all fixed mounting have butt joint cover (6), the left side and the front side of support column (1) all fixed mounting have butt joint pole (11), be equipped with docking mechanism on butt joint pole (11), chamber (7) have been seted up on butt joint cover (6), and a positioning mechanism is arranged on the inner wall of the cavity (7), and the positioning mechanism is matched with the butt joint mechanism.

2. The shock-absorbing self-balancing offshore wind turbine group pile foundation of claim 1, wherein the docking mechanism comprises a meshing sleeve (12) and a matching block (13), the meshing sleeve (12) is of a hollow structure, the meshing sleeve (12) is fixedly connected with the docking rod (11), and the matching block (13) is fixedly installed on the inner wall of the right side of the meshing sleeve (12).

3. The damping self-balancing offshore wind turbine group pile foundation of claim 1, wherein the positioning mechanism comprises a supporting block (8), a rotating rod (9), two meshing blocks (10), a connecting rod (14), a half gear (15), a rotating frame (16), a driving gear (17), a positioning motor (18) and a connecting gear (29), the supporting block (8) is fixedly installed on the inner wall of the chamber (7), the number of the connecting rod (14) and the number of the meshing blocks (10) are both two, the two connecting rods (14) are respectively rotatably connected with the two meshing blocks (10), the two meshing blocks (10) are both slidably connected to the right side of the supporting block (8), the rotating rod (9) penetrates through the supporting block (8) and is rotatably connected with the inner wall of the left side of the chamber (7), the half gear (15) is fixedly installed on the rotating rod on the left side of the top of the supporting block (9), connect gear (29) and rotate to be connected on the left side inner wall of cavity (7), the equal fixed mounting in butt joint cover (6) of rotating turret (16) and positioning motor (18) is at the top, it is connected with rotating turret (16) to drive gear (17) and rotation, drive gear (17) and positioning motor (18) output shaft fixed connection, it meshes with connecting gear (29) mutually to drive gear (17).

4. The shock-absorbing self-balancing offshore wind turbine cluster pile foundation of claim 3, wherein the engaging sleeve (12) is provided with rectangular grooves on the top and bottom inner walls, and the engaging block (10) is in sliding contact with the inner walls of the rectangular grooves.

5. The self-balancing offshore wind turbine group pile foundation of claim 3, wherein the left end of the mating block (13) and the right end of the rotating rod (9) are both arc-shaped.

6. The offshore wind turbine cluster pile foundation of claim 1, wherein the embedded plate (20) is an octagonal structure, the top of the threaded rod (4) is provided with an octagonal groove, and the outer side of the embedded plate (20) is in sliding contact with the inner wall of the octagonal groove.

7. The self-balancing offshore wind turbine group pile foundation of claim 1, characterized in that the threaded rod (4) is rotatably connected with a fixing sleeve on its outer side, said fixing sleeve being fixedly mounted on the inner wall of the support column (1).

8. The shock-absorbing self-balancing offshore wind turbine group pile foundation of claim 3, wherein the right side of the support block (8) is provided with two symmetrically arranged positioning sliding grooves, and the left sides of the two meshing blocks (10) are respectively connected with the inner walls of the two positioning sliding grooves in a sliding manner.

9. The self-balancing offshore wind turbine group pile foundation of claim 1, characterized in that the support columns (1) are fixedly provided with support rods (28) on both sides, and both support rods (28) are fixedly connected with the bottom of the platform (27).

10. The self-balancing offshore wind turbine group pile foundation of claim 1, wherein the left and right sides of the two rack bars (21) are fixedly provided with positioning springs (22), and the left and right ends of the two positioning springs (22) are fixedly connected with the inner walls of the left and right sides of the support column (1), respectively.