A wind power generation device

Abstract

The present invention discloses a wind power generation device, which relates to the technical field of wind power generation. The wind power generation device comprises a rod body, a yaw actuator arranged at the upper end of the rod body, and a head assembled above the yaw actuator, wherein the yaw actuator comprises a support assembly, a large gear ring assembly, a driver assembly, and an adjustment member; wherein: the support assembly comprises an L-shaped outer ring seat, the L-shaped outer ring seat comprises a radial ring fixed to the upper end of the rod body and an axial ring located above the outer edge of the radial ring; the large gear ring assembly is located above the inner part of the L-shaped outer ring seat, and the large gear ring assembly is rotatably connected to the upper end of the rod body through a bearing assembly. The wind power generation device can evenly arrange the remaining two driver assemblies below the large gear ring assembly after one of the driver assemblies is damaged, thereby maintaining the force stability of the large gear ring assembly, and ensuring the stability of the entire yaw actuator after yaw.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation, and in particular to a wind power generation device. Background Art

[0002] The yaw system is a unique control system for wind turbines. For horizontal-axis wind turbines, in order to achieve the best wind energy utilization efficiency, the impeller needs to track the changing and stable wind direction, and the yaw system device is used to achieve the impeller facing the wind.

[0003] The actuator of the yaw system device is generally composed of a yaw drive motor, several yaw satellite gears, a rotating body large gear, a yaw brake and other parts. The yaw drive motor drives the yaw satellite gears to drive the rotating body large gear to rotate, thereby driving the top box of the wind turbine to rotate, so as to realize the wind facing of the impeller of the top box of the wind turbine.

[0004] Wind turbines work outdoors and are affected by various factors such as strong winds and difficult maintenance. There is a yaw tooth collision problem between the yaw planetary gear and the rotating body large gear, which in turn causes problems such as uneven loading of the yaw planetary gear and damage to the yaw drive motor. When a yaw drive motor does not work properly, the loads of other yaw drive motors and yaw planetary gears not only increase but also become unevenly loaded, which can easily lead to the failure of the undamaged yaw drive motor.

[0005] For this purpose, the patent with publication number CN117469086A proposes a variable frequency yaw actuator for a wind turbine. When the yaw motor fails, the variable frequency yaw actuator can disengage the meshing between the yaw gear corresponding to the failed yaw motor and the yaw inner gear ring, and at the same time, the yaw motor in normal working state can be evenly distributed again to provide a uniform driving force to the yaw inner gear ring.

[0006] However, in actual use, after the yaw motor is evenly distributed again, it is unable to lock its own position, causing the yaw motor to easily produce position deviation due to excessive force during operation, resulting in overall instability when performing yaw actions. Summary of the invention

[0007] In view of the deficiencies of the prior art, the present invention provides a wind power generation device, which solves the problem in the prior art that the yaw motor is prone to position deviation due to excessive force during operation, resulting in overall instability when performing yaw actions.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a wind power generation device, including a rod body, a yaw actuator arranged at the upper end of the rod body and a head assembled above the yaw actuator, the yaw actuator including a support assembly, a large gear ring assembly, a driver assembly and an adjustment member; wherein: the support assembly includes an L-shaped outer ring seat, the L-shaped outer ring seat includes a radial ring fixed to the upper end of the rod body and an axial ring located above the outer edge of the radial ring; the large gear ring assembly is located above the inner part of the L-shaped outer ring seat, and the large gear ring assembly is rotatably connected to the upper end of the rod body through a bearing assembly; wherein the driver assembly is located in a total of three groups, and the three groups of driver assemblies are evenly distributed below the large gear ring assembly, and are used to drive the large gear ring assembly through three-party power. The large gear ring assembly rotates; a fixed shaft is fixed at the center of the L-shaped outer ring seat, one end of the driver assembly is rotatably mounted on the fixed shaft with the center of the L-shaped outer ring seat as the center, and a positioning pin is provided at the other end of the driver assembly, and a limiting hole 1 is provided on the axial ring at a position opposite to the driver assembly, and the positioning pin is embedded in the limiting hole 1 to lock the position of the driver assembly on the L-shaped outer ring seat; the limiting hole 1 is provided with a limiting hole 2 in a direction deflected 30° to the left and right from the center of the radial ring, the adjusting member is provided below the support assembly, and the adjusting member is used to synchronously drive the two groups of driver assemblies to move, so that the two groups of driver assemblies are positioned relative to each other, and the positioning pins are inserted into the relative limiting holes 2 to form a state in which the two groups of driver assemblies are stably and symmetrically distributed below the tooth portion.

[0009] Furthermore, the driver assembly includes: a driving gear, the large gear ring assembly includes a ring body and a tooth portion arranged on the lower surface of the ring body, the driving gear is meshed below the tooth portion, and a rotating shaft is fixedly arranged in the middle of the driving gear; a slide plate, the slide plate can deflect along the fixed axis by ±30°; an outer slide seat, the outer slide seat is located on the upper surface of the radial ring, a bearing seat 1 is slidably arranged on the side of the outer slide seat close to the center of the radial ring, an end of the rotating shaft away from the fixed axis is rotatably mounted on the bearing seat 1, and an end of the rotating shaft close to the fixed axis is rotatably mounted on the slide plate, so that the position of the driving gear in the vertical direction is locked, and the driving gear The wheelset provides supporting force for the large gear ring assembly; a driving motor is fixed on the slide plate and is used to drive the rotating shaft to rotate; an annular guide groove is provided on the upper surface of the radial ring along the circumferential direction, a radial groove one is provided on the radial ring at a position opposite to the limiting hole one along the radial direction, a sliding block is fixed on the lower surface of the outer slide seat, the sliding block is located in the radial groove one, a radial groove is provided on the radial ring at a position opposite to the limiting hole two, and the adjusting member is used to apply a pulling force to the two synchronous groups of outer slide seats, so that the sliding block passes through the radial groove one and the annular guide groove into the radial groove two, and the positioning pin enters the limiting hole two.

[0010] Furthermore, the adjustment part includes: an adjustment motor, which is fixed on the lower surface of the outer sliding seat, and a reel is fixedly provided at the lower end of the power output end of the adjustment motor; a pull rope, which is provided with three pull ropes, respectively connecting two adjacent reels, and both ends of the reel have redundant lengths wound around the reel; an infrared receiver, which is fixedly provided on one side of the adjustment motor close to the center of the L-shaped outer ring seat, and when the two adjustment motors are located on the same straight line, the infrared receiver can receive signals and control the action of the adjustment motor on the damaged drive motor through the controller.

[0011] Furthermore, a guide cavity for the sliding of the bearing seat is opened in the outer sliding seat; a force spring is fixedly arranged between the bearing seat and the inner wall of the guide cavity; magnetic blocks are fixedly arranged on the upper and lower sides of one end of the bearing seat located in the guide cavity, and an electromagnet is fixedly arranged at a relative position on the guide cavity, and the magnetic block and the electromagnet are in contact with each other in the natural state of the force spring; when the controller controls the adjustment motor relative to the damaged driving motor to turn on, it synchronously controls the electromagnet relative to the damaged driving motor to be energized, so that the magnetic block and the electromagnet on the damaged driving motor attract each other, forming a state in which the bearing seat cannot slide on the outer sliding seat.

[0012] Furthermore, an inner seat is provided in the center area of ​​the L-shaped outer ring seat, and the fixed axis is fixed on the upper surface of the inner seat; a middle ring seat is provided between the L-shaped outer ring seat and the inner seat, and the middle ring seat is used to support the slide plate; the radial ring and the middle ring seat, as well as the middle ring seat and the inner seat are connected by spokes; the radial ring is fixed in the top tube by a first positioning bolt.

[0013] Furthermore, two bearing seats for supporting the rotating shaft are fixedly provided on the upper surface of the slide plate; a rotating ring is installed at one end of the slide plate close to the fixed shaft, and the three rotating rings have different heights. A limiting groove for accommodating the rotating ring is provided at a position on the fixed shaft opposite to the rotating ring, so that the rotating ring is limited axially on the fixed shaft.

[0014] Furthermore, an integral first flange is provided at the upper end of the ring body, and the first flange is fixedly connected to the machine head.

[0015] Furthermore, a brake assembly mounting disc is fixedly provided at the upper end of the fixed shaft, the upper surface of the brake assembly mounting disc is used for assembling the brake assembly, and friction discs are fixedly provided at both sides of the inner wall of the ring body.

[0016] Furthermore, the bearing assembly includes an outer shaft ring, a second flange arranged on the outer arc surface of the outer shaft ring, and an inner shaft ring rotatably assembled on the inner ring of the outer shaft ring, the second flange is fixed in the top tube by bolts, and the inner shaft ring is fixedly connected to the ring body.

[0017] Furthermore, a base is provided at the lower end of the rod body, and fan blades are provided at one end of the machine head.

[0018] The present invention has the following beneficial effects: after one of the driver assemblies is damaged, the remaining two driver assemblies can still be evenly arranged under the large ring gear assembly, thereby maintaining the force stability of the large ring gear assembly, and because the positioning pin, the first limiting hole, the second limiting hole and the adjusting member are provided, the two sets of driver assemblies can still be locked on the L-shaped outer ring seat after moving, thereby ensuring the stability of the driver assembly during operation, that is, ensuring the stability of the entire yaw actuator after yaw.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall diagram of the present invention;

[0021] Figure 2 is a side view of the present invention;

[0022] Figure 3 It is a partial diagram of the present invention;

[0023] Figure 4 It is a schematic diagram of the installation of the deflection mechanism of the present invention;

[0024] Figure 5 A first viewing angle diagram of the deflection mechanism of the present invention;

[0025] Figure 6 A second viewing angle diagram of the deflection mechanism of the present invention;

[0026] Figure 7 For the present invention Figure 5 Exploded diagram of

[0027] Figure 8 It is a structural schematic diagram of the large ring gear assembly of the present invention;

[0028] Fig. 9 It is a schematic diagram of the installation of the driver assembly of the present invention;

[0029] Fig.10 For the present invention Fig. 9 A schematic diagram of the unassembled brake assembly mounting disc;

[0030] Fig.11 It is a schematic diagram of the installation of a single drive assembly of the present invention;

[0031] Fig.12 For the present invention Fig. 9 Another perspective of the picture;

[0032] Fig.13 For the present invention Fig.11 Exploded diagram of

[0033] Fig.14 Schematic diagram of the internal structure of the outer slide of the present invention

[0034] Fig.15 It is a structural schematic diagram of the adjusting member of the present invention;

[0035] Fig.16 This is a position adjustment state diagram of the driver assembly of the present invention.

[0036] In the figure, 100, power generation body; 110, base; 120, rod body; 130, fan blade; 140, head; 150, top cylinder; 200, large gear ring assembly; 210, ring body; 220, first flange; 230, gear portion; 240, friction plate; 300, bearing assembly; 310, second flange; 320, outer shaft ring; 330, inner shaft ring; 400, support assembly; 410, L-shaped outer ring seat; 411, axial ring; 412, radial ring; 420, annular guide groove; 430, radial groove 1; 431, radial groove 2; 440, limit hole 1; 441, limit hole 2; 450, middle ring seat; 460, brake assembly installation Mounting plate; 470, fixed axis; 471, limiting groove; 480, first positioning bolt; 490, inner seat; 500, driver assembly; 510, outer slide seat; 511, positioning pin; 512, slider; 513, guide cavity; 514, electromagnet; 520, bearing seat one; 522, force spring; 523, magnetic block; 530, bearing seat two; 540, rotating shaft; 550, driving motor; 560, slide plate; 570, rotating ring; 580, driving gear; 600, adjusting member; 610, adjusting motor; 620, reel; 630, pull rope; 631, rope one; 632, rope two; 633, rope three; 640, infrared receiver. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it is necessary to understand that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0039] According to the following Figure 1 - Fig.16 A wind power generation device provided by an embodiment of the present invention is described.

[0040] See also Figure 1 - Figure 3 As shown, an embodiment of the present invention provides a wind power generation device, including a power generation body 100, the power generation body 100 includes a rod body 120, a base 110 is provided at the lower end of the rod body 120, a yaw actuator is provided at the upper end of the rod body 120, a head 140 is assembled on the yaw actuator, one end of the head 140 is provided with a blade 130, and the yaw actuator is used to control the orientation of the head 140 and the blade 130, so as to avoid the blade 130 from being exposed to too little wind or too much wind, that is, to avoid slow power generation speed caused by too little wind, and to avoid damage to the blade 130 due to excessive wind speed caused by too much wind.

[0041] Combination Figure 4 - Figure 8 As shown, the above-mentioned yaw actuator includes a wind direction sensor (not shown in the figure), a support assembly 400, a large ring gear assembly 200, a driver assembly 500 and an adjustment member 600. The surrounding wind speed and wind direction information are obtained through the wind direction sensor. This information is transmitted to the control system (the control system is integrated in the nose 140). The control system decides whether to adjust the orientation of the nose 140 and the fan blades 130 based on these data to maximize the use of wind energy or reduce the damage of the fan blades 130 caused by excessive wind.

[0042] Combination Fig. 9 - Fig.13 As shown, the support assembly 400 includes an L-shaped outer ring seat 410, which includes a radial ring 412 fixed to the upper end of the rod body 120 and an axial ring 411 located above the outer edge of the radial ring 412. The radial ring 412 is fixed in the top cylinder 150 by a first positioning bolt 480. The large ring gear assembly 200 is located in the upper part of the L-shaped outer ring seat 410, and the large ring gear assembly 200 is rotatably connected to the upper end of the rod body 120 through a bearing assembly 300. The driver assembly 500 is located in a total of three groups, and the three groups of driver assemblies 500 are evenly distributed below the large ring gear assembly 200, and are used to drive the large ring gear assembly 200 to rotate through three-way power. That is, when the three groups of driver assemblies 500 work synchronously, they can drive the large ring gear assembly 200 to rotate, and the support assembly 400 is used to support the driver assembly 500.

[0043] Continue to refer to Fig. 9 - Fig.13In order to ensure that after one of the driver assemblies 500 is damaged, the remaining two driver assemblies 500 can be evenly distributed under the large ring gear assembly 200 to maintain the rotational stability of the large ring gear assembly 200, a fixed shaft 470 is fixed at the center of the L-shaped outer ring seat 410, and one end of the driver assembly 500 is rotatably mounted on the fixed shaft 470 with the center of the L-shaped outer ring seat 410 as the center, so that the position of the driver assembly 500 in the L-shaped outer ring seat 410 can change, that is, after one of the driver assemblies 500 is damaged, the other two driver assemblies 500 adjust their own positions so that the two driver assemblies 500 are evenly arranged under the large ring gear assembly 200.

[0044] In order to ensure that the three driver assemblies 500 are in normal working condition and the position of the driver assembly 500 in the L-shaped outer ring seat 410 is in a locked state, a positioning pin 511 is provided at the other end of the driver assembly 500, and a limiting hole 440 is provided on the axial ring 411 at a position opposite to the driver assembly 500, and the positioning pin 511 is embedded in the limiting hole 440, so as to lock the position of the driver assembly 500 on the L-shaped outer ring seat 410, ensuring that the three driver assemblies 500 are in normal working condition and the position of the driver assembly 500 in the L-shaped outer ring seat 410 is in a locked state.

[0045] Secondly, in order to ensure that after one of the driver assemblies 500 is damaged, the remaining two driver assemblies 500 can be evenly distributed under the large ring gear assembly 200, and the driver assembly 500 can still be locked in the corresponding position, a limiting hole 441 is provided in the limiting hole 440 in the direction of 30° left and right deflection of the center of the radial ring 412, and the adjusting member 600 is provided under the support assembly 400. The adjusting member 600 is used to synchronously drive the two groups of driver assemblies 500 to move so that the two groups of driver assemblies 500 are positioned relative to each other, so that the two groups of driver assemblies 500 are symmetrically distributed under the tooth portion 230 to maintain the stability of the driver assembly 500, and the adjusting member 600 can also insert the positioning pin 511 into the relative limiting hole 441, so that the two groups of driver assemblies 500 can still be locked on the L-shaped outer ring seat 410 after moving, thereby ensuring the stability of the driver assembly 500 during operation.

[0046] Therefore, the wind power generation device provided by the embodiment of the present invention can, after one of the driver assemblies 500 is damaged, the remaining two driver assemblies 500 can still be evenly arranged under the large ring gear assembly 200, thereby maintaining the force stability of the large ring gear assembly 200, and because the positioning pin 511, the limiting hole 1 440 and the limiting hole 2 441 are provided, the two groups of driver assemblies 500 can still be locked on the L-shaped outer ring seat 410 after moving, thereby ensuring the stability of the driver assembly 500 during operation, that is, ensuring the stability of the entire yaw actuator after yaw.

[0047] Combination Figure 3 , Figure 7 and Figure 8 As shown, the large gear ring assembly 200 includes a ring body 210 and a tooth portion 230 disposed on the lower surface of the ring body 210. The upper end of the ring body 210 is provided with an integral first flange 220, and the first flange 220 is fixedly connected to the head 140.

[0048] Furthermore, the above-mentioned drive assembly 500 includes a driving gear 580, which is meshed below the tooth portion 230. A rotating shaft 540 is fixed in the middle of the driving gear 580, so that when each rotating shaft 540 rotates, each driving gear 580 can drive the large ring gear assembly 200 to rotate through the tooth portion 230, so that the ring body 210 can drive the head 140 to rotate, thereby realizing the yaw of the fan blade 130.

[0049] Combination Fig. 9 - Fig.14 As shown, the driver assembly 500 further includes a slide plate 560, an outer slide seat 510 and a drive motor 550, which limits the slide plate 560 to be able to deflect ±30° along the fixed axis 470, and its specific rotation actually relies on the adjustment member 600 as a driving force.

[0050] The outer sliding seat 510 is located on the upper surface of the radial ring 412, and a bearing seat 520 is slidably provided on one side of the outer sliding seat 510 close to the center of the radial ring 412. The end of the rotating shaft 540 away from the fixed shaft 470 is rotatably installed on the bearing seat 520, and the end of the rotating shaft 540 close to the fixed shaft 470 is rotatably installed on the slide plate 560, so that one end of the rotating shaft 540 is supported by the slide plate 560 (in fact, the inner bearing seat 2 530 for supporting the rotating shaft 540 should be fixed on the slide plate 560), and the other end is supported by the bearing seat 520, so that the position of the driving gear 580 in the vertical direction is locked, and the rotating shaft 540 supports the driving gear 580, and the driving gear 580 provides supporting force for the large ring gear assembly 200. The present invention does not adopt the driving method of the inner ring gear or the outer ring gear in the prior art, but adopts the driving method of the driving gear 580 under the large ring gear assembly 200. In this way, the driving gear 580 can provide a certain supporting force to the large ring gear assembly 200, reduce the pressure of the large ring gear assembly 200 on the bearing assembly 300 in the vertical direction, that is, reduce the wear on the horizontal contact surface between the large ring gear assembly 200 and the bearing assembly 300, extend the service life of the large ring gear assembly 200, and improve the yaw accuracy.

[0051] Furthermore, the driving motor 550 is fixed on the slide plate 560 to drive the rotating shaft 540 to rotate.

[0052] In order to enable the slide plate 560 to deflect ±30° along the fixed axis 470 to achieve position adjustment of the driver assembly 500, an annular guide groove 420 is circumferentially provided on the upper surface of the radial ring 412, a radial groove 1 430 is radially provided at a position opposite to the limiting hole 1 440 on the radial ring 412, a slider 512 is fixedly provided on the lower surface of the outer slide seat 510, the slider 512 is located in the radial groove 1 430, a radial groove 2 431 is provided at a position opposite to the limiting hole 2 441 on the radial ring 412, and the adjusting member 600 is used to apply tension to the two synchronous groups of outer slide seats 510, so that the slider 512 enters the radial groove 2 431 through the radial groove 1 430 and the annular guide groove 420, and the positioning pin 511 enters the limiting hole 2 441.

[0053] Thereby, the purpose of the driver assembly 500 still being able to self-lock after the position is adjusted is achieved.

[0054] like Fig.12 - Fig.14 As shown, the aforementioned adjustment member 600 includes an adjustment motor 610 , a pull rope 630 and an infrared receiver 640 .

[0055] The adjustment motor 610 is fixed on the lower surface of the outer sliding seat 510, and a reel 620 is fixedly provided at the lower end of the power output end of the adjustment motor 610. There are three pull ropes 630 in total, which are respectively connected to two adjacent reels 620, and both ends of the reel 620 have redundant lengths wound around the reel 620. The infrared receiver 640 is fixedly provided on one side of the adjustment motor 610 close to the center of the L-shaped outer ring seat 410. When the two adjustment motors 610 are located on the same straight line, the infrared receiver 640 can receive signals and control the movement of the adjustment motor 610 on the damaged drive motor 550 through the controller.

[0056] like Fig.15 In addition, a guide cavity 513 for the bearing seat 1 520 to slide is opened in the outer sliding seat 510, and a force spring 522 is fixed between the bearing seat 1 520 and the inner wall of the guide cavity 513.

[0057] like Fig.16 In this embodiment, for example, the damaged drive motor 550 is the motor in area A, and the motors in areas B and C are in good condition. At this time, the working process is as follows:

[0058] S1. Before adjustment, each drive assembly maintains 500 Fig.16 (a) status;

[0059] S2, detector (voltage detector, current detector, etc. can be used to detect the working status of the three adjustment motors 610). When it is detected that one of the drive motors 550 is damaged, for example, the drive motor 550 in area A is damaged, the adjustment motor 610 in area A can reel in the two ropes 1 631 and 3 633 thereon, and the rope 2 632 is in a state of being unwound, until the redundant amount of rope 1 631 and rope 3 633 on the reels 620 in areas B and C is completely reeled in to the reels 620 in area A, and the redundant amount of rope 2 632 at both ends is completely released, forming Fig.16 (b) status;

[0060] S3, as the adjustment motor 610 in zone A continues to wind up, it can pull the outer slide seat 510 in zones B and C, so that the slider 512 below the outer slide seat 510 can move along the radial groove 1 430 to the annular guide groove 420, at which time the positioning pin 511 is separated from the limiting hole 1 440, forming Fig.16 (c) status;

[0061] S4, as the adjustment motor 610 in zone A continues to wind up, it can pull the outer slide 510 in zones B and C, so that the outer slide 510 can gradually move along the annular guide groove 420 until the slider 512 reaches the position of the corresponding radial groove 2 431, forming Fig.16 (d) status;

[0062] S5, the adjustment motor 610 in zone A starts to unwind, so that the outer slide seat 510 in zones B and C, which is pulled by rope 1 631 and rope 3 633, loses its pulling force, and the force spring 522 rebounds, pushing the outer slide seat 510 to move along the radial groove 2 431 toward the direction of the limiting hole 2 441 until the positioning pin 511 is inserted into the inner part of the limiting hole 2 441, forming Fig.16 (e) status.

[0063] In actual use, in S4, the adjustment motor 610 in zone A is continuously wound up, which causes the adjustment motor 610 in zone A to be also pulled by rope 1 631 and rope 3 633, causing the slider 512 in zone A to enter the annular guide groove 420, which will cause the entire adjustment process to be unstable. In order to solve this problem, magnetic blocks 523 are fixed on the upper and lower sides of one end of the bearing seat 1 520 located in the guide cavity 513, and an electromagnet 514 is fixed on the guide cavity 513 at a position opposite to the magnetic block 523. The force spring 522 is in a natural state and the magnetic block 523 and the electromagnet 514 are fixed. 14 is a contact state. In this embodiment, when the controller controls the adjustment motor 610 on the drive motor 550 in zone A to turn on, it can also synchronously control the electromagnet 514 relative to the damaged drive motor 550 to be energized, so that the magnetic block 523 on the damaged drive motor 550 and the electromagnet 514 attract each other. At this time, the bearing seat 1 520 in zone A cannot slide on the outer slide seat 510 in zone A, that is, the bearing seat 1 520 in zone A and the outer slide seat 510 in zone A are in a mutually locked state, so that the slider 512 in zone A will not enter the annular guide groove 420.

[0064] Preferably, in order to facilitate the installation of the fixed shaft 470, an inner seat 490 is further provided in the center area of ​​the L-shaped outer ring seat 410, and the fixed shaft 470 is fixed on the upper surface of the inner seat 490. In addition, a middle ring seat 450 is provided between the L-shaped outer ring seat 410 and the inner seat 490, and the middle ring seat 450 is used to support the slide plate 560. It is best to open a complete annular groove on the middle ring seat 450 to guide the movement of the slide plate 560.

[0065] Secondly, the radial ring 412 and the middle ring seat 450 as well as the middle ring seat 450 and the inner seat 490 are connected via spokes.

[0066] Combination Fig.10 and Fig.13 As shown, a rotating ring 570 is installed at one end of the slide plate 560 close to the fixed shaft 470, and the heights of the three rotating rings 570 are different. A limiting groove 471 for accommodating the rotating ring 570 is opened at a position opposite to the rotating ring 570 on the fixed shaft 470, so that the rotating ring 570 is axially limited on the fixed shaft 470 to maintain the height of the slide plate 560.

[0067] like Figure 7 - Fig.10 As shown, in order to achieve braking of the ring body 210 so that the fan blades 130 can stop yaw after yaw, and to maintain the stability of the fan blades 130 after yaw, a brake assembly mounting disk 460 is fixedly provided at the upper end of the fixed axis 470, and the upper surface of the brake assembly mounting disk 460 is used to assemble the brake assembly, and friction disks 240 are fixedly provided on both sides of the inner wall of the ring body 210. When the brake assembly is working, the ring body 210 can be braked by the friction disks 240.

[0068] like Figure 5 and Figure 7 As shown, the bearing assembly 300 mentioned above includes an outer shaft ring 320, a second flange 310 arranged on the outer arc surface of the outer shaft ring 320, and an inner shaft ring 330 rotatably assembled on the inner ring of the outer shaft ring 320. The second flange 310 is fixed in the top tube 150 by bolts, and the inner shaft ring 330 is fixedly connected to the ring body 210.

[0069] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0070] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A wind power generation device, comprising a rod body (120), a yaw actuator disposed at the upper end of the rod body (120), and a head (140) assembled above the yaw actuator, characterized in that: The yaw actuator comprises a support assembly (400), a large ring gear assembly (200), a driver assembly (500) and an adjustment member (600); in: The support assembly (400) comprises an L-shaped outer ring seat (410), wherein the L-shaped outer ring seat (410) comprises a radial ring (412) fixed to the upper end of the rod body (120) and an axial ring (411) located above the outer edge of the radial ring (412); The large gear ring assembly (200) is located above the L-shaped outer ring seat (410), and the large gear ring assembly (200) is rotatably connected to the upper end of the rod body (120) via a bearing assembly (300); There are three sets of the driver assemblies (500) in total, and the three sets of driver assemblies (500) are evenly distributed below the large ring gear assembly (200), and are used to drive the large ring gear assembly (200) to rotate through three-way power; A fixed shaft (470) is fixedly arranged at the center of the L-shaped outer ring seat (410); one end of the driver assembly (500) is rotatably mounted on the fixed shaft (470) with the center of the L-shaped outer ring seat (410) as the center; a positioning pin (511) is arranged at the other end of the driver assembly (500); a limiting hole (440) is provided on the axial ring (411) at a position opposite to the driver assembly (500); the positioning pin (511) is embedded in the limiting hole (440) to lock the position of the driver assembly (500) on the L-shaped outer ring seat (410); The first limiting hole (440) is provided with a second limiting hole (441) in a direction deflected 30° to the left and right of the center of the radial ring (412). The adjusting member (600) is arranged below the support assembly (400), and the adjusting member (600) is used to synchronously drive the two sets of driver assemblies (500) to move, so that the two sets of driver assemblies (500) are positioned relative to each other, and the positioning pin (511) is inserted into the relative second limiting hole (441), so as to form a state in which the two sets of driver assemblies (500) are stably and symmetrically distributed below the tooth portion (230).

2. A wind power generation device according to claim 1, characterized in that: The driver assembly (500) comprises: A driving gear (580), wherein the large ring gear assembly (200) comprises a ring body (210) and a tooth portion (230) disposed on the lower surface of the ring body (210), the driving gear (580) meshes below the tooth portion (230), and a rotating shaft (540) is fixedly disposed in the middle of the driving gear (580); A slide plate (560), wherein the slide plate (560) is capable of deflecting ±30° along a fixed axis (470); an outer sliding seat (510), the outer sliding seat (510) being located on the upper surface of the radial ring (412), a bearing seat 1 (520) being slidably disposed on a side of the outer sliding seat (510) close to the center of the radial ring (412), an end of the rotating shaft (540) away from the fixed shaft (470) being rotatably mounted on the bearing seat 1 (520), and an end of the rotating shaft (540) close to the fixed shaft (470) being rotatably mounted on the sliding plate (560), so that the position of the driving gear (580) in the vertical direction is locked, and the driving gear (580) provides a supporting force for the large ring gear assembly (200); A driving motor (550), wherein the driving motor (550) is fixed on the slide plate (560) and is used to drive the rotating shaft (540) to rotate; An annular guide groove (420) is provided on the upper surface of the radial ring (412) along the circumferential direction; a radial groove (430) is provided on the radial ring (412) at a position opposite to the first limiting hole (440) along the radial direction; a sliding block (512) is fixedly provided on the lower surface of the outer sliding seat (510); the sliding block (512) is located in the radial groove (430); and a radial groove (431) is provided on the radial ring (412) at a position opposite to the second limiting hole (441); The adjusting member (600) is used to apply a pulling force to the two synchronous sets of outer slide seats (510), so that the slide block (512) passes through the radial groove (430) and the annular guide groove (420) and enters the radial groove (431), and the positioning pin (511) enters the limiting hole (441).

3. A wind power generation device according to claim 2, characterized in that: The adjusting member (600) comprises: An adjustment motor (610), wherein the adjustment motor (610) is fixed to the lower surface of the outer sliding seat (510), and a reel (620) is fixedly disposed at the lower end of the power output end of the adjustment motor (610); A pull rope (630), wherein three pull ropes (630) are provided, respectively connecting two adjacent reels (620), and both ends of the reels (620) have a redundant length wound around the reels (620); An infrared receiver (640) is fixedly mounted on one side of the adjustment motor (610) close to the center of the L-shaped outer ring seat (410); when the two adjustment motors (610) are located on the same straight line, the infrared receiver (640) can receive signals and control the movement of the adjustment motor (610) on the damaged drive motor (550) through a controller.

4. A wind power generation device according to claim 3, characterized in that: The outer sliding seat (510) is provided with a guide cavity (513) for the bearing seat 1 (520) to slide. A force spring (522) is fixedly provided between the first bearing seat (520) and the inner wall of the guide cavity (513); A magnetic block (523) is fixedly provided on the upper and lower sides of one end of the bearing seat (520) located in the guide cavity (513); an electromagnet (514) is fixedly provided on the guide cavity (513) at a position opposite to (524); and the magnetic block (523) and the electromagnet (514) are in contact with each other when the force spring (522) is in a natural state; When the controller controls the adjustment motor (610) opposite to the damaged drive motor (550) to turn on, it synchronously controls the electromagnet (514) opposite to the damaged drive motor (550) to be energized, so that the magnetic block (523) on the damaged drive motor (550) and the electromagnet (514) attract each other, thereby forming a state in which the bearing seat 1 (520) cannot slide on the outer slide seat (510).

5. A wind power generation device according to any one of claims 2 to 4, characterized in that: An inner seat (490) is also provided in the center region of the L-shaped outer ring seat (410), and the fixed shaft (470) is fixed on the upper surface of the inner seat (490); A middle ring seat (450) is provided between the L-shaped outer ring seat (410) and the inner seat (490), and the middle ring seat (450) is used to support the slide plate (560); The radial ring (412) and the middle ring seat (450) as well as the middle ring seat (450) and the inner seat (490) are connected via spokes; The radial ring (412) is fixed in the top cylinder (150) via a first positioning bolt (480).

6. A wind power generation device according to claim 5, characterized in that: A second bearing seat (530) for supporting the rotating shaft (540) is fixedly provided on the upper surface of the slide plate (560); A rotating ring (570) is mounted on one end of the slide plate (560) close to the fixed shaft (470); the three rotating rings (570) have different heights; and a limiting groove (471) for accommodating the rotating ring (570) is provided on the fixed shaft (470) at a position opposite to the rotating ring (570) so as to limit the rotating ring (570) in the axial direction of the fixed shaft (470).

7. A wind power generation device according to claim 6, characterized in that: An integral first flange (220) is provided at the upper end of the ring body (210), and the first flange (220) is fixedly connected to the machine head (140).

8. A wind power generation device according to claim 7, characterized in that: A brake assembly mounting disc (460) is fixedly provided at the upper end of the fixed shaft (470); the upper surface of the brake assembly mounting disc (460) is used for assembling the brake assembly; and friction discs (240) are fixedly provided on both sides of the inner wall of the ring body (210).

9. A wind power generation device according to claim 8, characterized in that: The bearing assembly (300) comprises an outer shaft ring (320), a second flange (310) provided on the outer arc surface of the outer shaft ring (320), and an inner shaft ring (330) rotatably assembled on the inner ring of the outer shaft ring (320), wherein the second flange (310) is fixed in the top tube (150) by bolts, and the inner shaft ring (330) is fixedly connected to the ring body (210).

10. A wind power generation device according to claim 1, characterized in that: A base (110) is provided at the lower end of the rod body (120), and a fan blade (130) is provided at one end of the machine head (140).

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