阅读说明：本技术 一种风力发电塔筒 (Wind power generation tower cylinder ) 是由 华建民 薛暄译 王斐 黄乐鹏 王能 于 2021-01-25 设计创作，主要内容包括：本发明涉及风力发电领域,具体公开了一种风力发电塔筒,包括旋转塔筒与固定塔筒,固定塔筒与地面固定连接,固定塔筒与旋转塔筒之间设置有环形的承重台；固定塔筒顶端开设有环形的凹槽,承重台底部固定连接有环形块,环形块水平转动连接在凹槽内；承重台侧壁上设置有导向装置,导向装置包括固定有两块竖向设置的导风板,且导风板之间具有夹角；旋转塔筒设置在承重台上,且旋转塔筒、承重台与固定塔筒同轴线设置,旋转塔筒顶端设置有水平设置的叶片与发电机组,且叶片与导向装置分布位于旋转塔筒的两侧；本发明意在现有风力发电塔筒与叶片方位均是固定的,无法随着风向与风力的变化而调整,导致无法对风能进行最有效的利用问题。(The invention relates to the field of wind power generation, and particularly discloses a wind power generation tower cylinder, which comprises a rotating tower cylinder and a fixed tower cylinder, wherein the fixed tower cylinder is fixedly connected with the ground, and an annular bearing platform is arranged between the fixed tower cylinder and the rotating tower cylinder; the top end of the fixed tower barrel is provided with an annular groove, the bottom of the bearing table is fixedly connected with an annular block, and the annular block is horizontally and rotatably connected in the groove; a guide device is arranged on the side wall of the bearing table, the guide device comprises two air deflectors which are vertically arranged, and an included angle is formed between the air deflectors; the rotating tower drum is arranged on the bearing platform, the rotating tower drum, the bearing platform and the fixed tower drum are coaxially arranged, the top end of the rotating tower drum is provided with horizontally arranged blades and a generator set, and the blades and the guide devices are distributed on two sides of the rotating tower drum; the invention aims to solve the problem that the wind energy cannot be utilized most effectively because the existing wind power generation tower drum and the blade are fixed and cannot be adjusted along with the change of the wind direction and the wind power.)

1. A wind power generation tower cylinder is characterized in that: the device comprises a rotating tower drum and a fixed tower drum, wherein the fixed tower drum is fixedly connected with the ground, and an annular bearing platform is arranged between the fixed tower drum and the rotating tower drum; the top end of the fixed tower barrel is provided with an annular groove, the bottom of the bearing table is fixedly connected with an annular block, and the annular block is horizontally and rotatably connected in the groove; a guide device is arranged on the side wall of the bearing table, the guide device comprises two air deflectors which are vertically arranged, and an included angle is formed between the air deflectors; the rotating tower cylinder is arranged on the bearing platform, the rotating tower cylinder, the bearing platform and the fixed tower cylinder are coaxially arranged, the top end of the rotating tower cylinder is provided with blades and a generator set which are horizontally arranged, and the blades and the guide devices are distributed on two sides of the rotating tower cylinder.

2. The wind power tower of claim 1, wherein: the outer diameter of the rotary tower cylinder is smaller than the inner diameter of the bearing platform, two sides of the rotary tower cylinder are fixedly connected with symmetrically arranged rotating shafts, and transmission gears are fixed on the rotating shafts; connecting holes are symmetrically formed in the inner wall of the bearing table, the rotating shaft is rotatably connected in the corresponding connecting holes, driving motors are arranged below the connecting holes and fixed on the inner wall of the bearing table, and driving gears meshed with the transmission gears are fixed on the driving motors.

3. A wind power tower according to claim 2, wherein: the bearing table is provided with two arc-shaped grooves, the arc-shaped grooves are symmetrically arranged about the central axis of the connecting hole, and the centers of the arc-shaped grooves are provided with symmetrically arranged through holes; the two sides of the rotating shaft are provided with winches, the output ends of the winches are provided with hauling ropes, the hauling ropes are arranged in the arc-shaped grooves, and the other ends of the hauling ropes penetrate through the through holes and are fixedly connected with the rotary tower barrel.

4. A wind power tower according to claim 3, wherein: the direction spacing groove has all been seted up to the recess both sides, and the embedding of direction spacing groove bottom has the ball, ball and direction spacing groove swing joint, be fixed with on the inside and outside of annular piece with the direction spacing groove adaptation the direction stopper.

5. The wind power tower of claim 4, wherein: the upper surface of the guide limiting block is fixed with a first electromagnet, the upper surface of the guide limiting groove is fixed with a second electromagnet attached to the first electromagnet, the magnetic poles of the first electromagnet and the second electromagnet are the same, and the first electromagnet and the second electromagnet are connected with a generator set.

6. A wind power tower according to claim 5, wherein: arc-shaped clamping blocks are arranged on two sides of the rotary tower, and hydraulic rods are hinged between the clamping plates and the bearing platform.

7. The wind power tower of claim 6, wherein: the included angle between the air deflectors is 30-80 degrees.

Technical Field

The invention relates to the technical field of wind power generation, and particularly discloses a wind power generation tower cylinder.

Background

In recent years, with the vigorous development of low wind speed wind power projects, the height of a tower of a wind generating set is increasing in order to improve the generating capacity. At present, a tower cylinder of a wind generating set is generally a conical steel tower cylinder, and the tower cylinder is simple to manufacture and convenient and quick to install on site, so that the tower cylinder occupies a large market share.

For a wind driven generator, when a wind field is over against blades of the wind driven generator, the generating capacity of the wind driven generator is the highest, and the utilization rate of wind energy is the largest; however, the wind direction and the wind power of the wind field change with the change of time and seasons, and the orientations of the existing wind power generation tower barrel and the blades are fixed, so that the wind power generation tower barrel and the blades cannot be adjusted with the change of the wind field direction and the wind power, and the wind power cannot be utilized most effectively.

Disclosure of Invention

The invention aims to provide a wind power generation tower cylinder to solve the problem that the wind energy cannot be utilized most effectively because the positions of the existing wind power generation tower cylinder and blades are fixed and cannot be adjusted along with the change of wind direction and wind power.

In order to achieve the purpose, the basic scheme of the invention is as follows:

a wind power generation tower cylinder is characterized in that: the device comprises a rotating tower drum and a fixed tower drum, wherein the fixed tower drum is fixedly connected with the ground, and an annular bearing platform is arranged between the fixed tower drum and the rotating tower drum; the top end of the fixed tower barrel is provided with an annular groove, the bottom of the bearing table is fixedly connected with an annular block, and the annular block is horizontally and rotatably connected in the groove; a guide device is arranged on the side wall of the bearing table, the guide device comprises two air deflectors which are vertically arranged, and an included angle is formed between the air deflectors; the rotating tower cylinder is arranged on the bearing platform, the rotating tower cylinder, the bearing platform and the fixed tower cylinder are coaxially arranged, the top end of the rotating tower cylinder is provided with blades and a generator set which are horizontally arranged, and the blades and the guide devices are distributed on two sides of the rotating tower cylinder.

Optionally, the outer diameter of the rotary tower cylinder is smaller than the inner diameter of the bearing platform, two sides of the rotary tower cylinder are fixedly connected with symmetrically arranged rotating shafts, and transmission gears are fixed on the rotating shafts; connecting holes are symmetrically formed in the inner wall of the bearing table, the rotating shaft is rotatably connected in the corresponding connecting holes, driving motors are arranged below the connecting holes and fixed on the inner wall of the bearing table, and driving gears meshed with the transmission gears are fixed on the driving motors.

Optionally, the bearing table is provided with two arc-shaped grooves, the arc-shaped grooves are symmetrically arranged about the central axis of the connecting hole, and the centers of the arc-shaped grooves are provided with symmetrically arranged through holes; the two sides of the rotating shaft are provided with winches, the output ends of the winches are provided with hauling ropes, the hauling ropes are arranged in the arc-shaped grooves, and the other ends of the hauling ropes penetrate through the through holes and are fixedly connected with the rotary tower barrel.

Optionally, a guide limiting groove is formed in each of two sides of the groove, a ball is embedded into the bottom of the guide limiting groove and is movably connected with the guide limiting groove, and guide limiting blocks matched with the guide limiting grooves are fixed on the inner side and the outer side of the annular block.

Optionally, a first electromagnet is fixed on the upper surface of the guide limiting block, a second electromagnet attached to the first electromagnet is fixed on the upper surface of the guide limiting groove, the magnetic poles of the first electromagnet and the second electromagnet are the same, and the first electromagnet and the second electromagnet are both connected with the generator set.

Optionally, the surface of the bearing table is slidably connected with two symmetrically arranged clamping blocks, the opposite ends of the clamping blocks are provided with arc-shaped openings, and a hydraulic damper is fixed between the clamping blocks and the bearing table.

Optionally, an included angle between the air deflectors is 30-80 degrees.

The working principle and the beneficial effects of the scheme are as follows:

1. in the scheme, when a wind field is changed, the wind deflector is blown by wind to deflect until the guide device faces back to the wind direction, the deflection of the wind deflector drives the bearing platform and the rotary tower drum to rotate together until the guide device faces back to the wind direction, and the blades at the top end of the rotary tower drum are just opposite to the wind direction, so that the contact area between the blades and the wind field is maximized, the effective utilization rate of the area of the wind field is maximized, the generated energy of the wind driven generator is maximized, and the wind energy is utilized as much as possible.

2. In this scheme, just to the wind field when the blade, under the circumstances of wind field wind-force increase, rotate through driving motor drive pivot to drive rotatory tower section of thick bamboo and incline towards the wind field suitable amount, through the slope of rotatory tower section of thick bamboo, make the focus of rotatory tower section of thick bamboo and blade towards the wind field, utilize the gravity balance of rotatory barrel self and the effort of wind field, with the balance of this rotatory tower section of thick bamboo and wind field, avoid rotatory tower section of thick bamboo to topple.

3. In the scheme, in the tilting process of the rotary tower drum, the traction rope is released through the winch, so that the traction rope is connected with the rotary tower drum; after the rotating tower barrel inclines, the winch is closed, the winch and the traction rope are used for balancing the tension of the rotating tower barrel, and the rotating tower barrel is prevented from swinging to cause excessive inclination of the rotating tower barrel.

4. In this scheme, the tight piece of clamp through both sides keeps the centre gripping with rotatory tower section of thick bamboo, prevents that rotatory tower section of thick bamboo from toppling, and the attenuator belongs to energy consumption component in addition, and the anti-seismic performance has the improvement effect.

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

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a transverse cross-sectional view of the load bearing table of the present invention;

FIG. 3 is a longitudinal cross-sectional view of an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a fixed tower drum 1, a rotary tower drum 2, a bearing platform 3, an annular block 4, an air deflector 5, blades 6, a generator set 7, a rotating shaft 8, a transmission gear 9, a driving gear 10, an arc-shaped groove 11, a winch 12, a traction rope 13, a through hole 14, a guide limiting block 15, a first electromagnet 16, a second electromagnet 17, a clamping block 18, a hydraulic rod 19 and balls 20.

Examples

As shown in fig. 1, 2, 3 and 4:

a wind power generation tower cylinder is characterized in that: the device comprises a rotating tower drum 2 and a fixed tower drum 1, wherein the fixed tower drum 1 is fixedly connected with the ground, and an annular bearing platform 3 is arranged between the fixed tower drum 1 and the rotating tower drum 2; the top end of the fixed tower barrel 1 is provided with an annular groove, the bottom of the bearing platform 3 is fixedly connected with an annular block 4, and the annular block 4 is horizontally and rotatably connected in the groove; a guide device is arranged on the side wall of the bearing table 3, the guide device comprises two vertically arranged air deflectors 5, and an included angle is formed between the air deflectors 5; rotatory tower section of thick bamboo 2 sets up on bearing platform 3, and rotatory tower section of thick bamboo 2, bearing platform 3 and the coaxial line setting of fixed tower section of thick bamboo 1, and 2 tops of rotatory tower section of thick bamboo are provided with blade 6 and generating set 7 that the level set up, and blade 6 and guider distribute and be located the both sides of rotatory tower section of thick bamboo 2.

When the wind field changes, because an included angle is formed between the two air deflectors 5, when wind blows on the inclined surfaces of the two air deflectors 5 in the inclined direction, the two air deflectors 5 are deflected due to different stress of the two air deflectors 5 until the guide device faces back to the incoming wind direction, so that the stress of the inclined surfaces of the two air deflectors 5 is balanced; the deflection of the air deflector 5 drives the bearing platform 3 and the rotary tower drum 2 to rotate together, and the blades 6 and the guide devices are distributed on two sides of the rotary tower drum 2, so that when the guide devices are parallel to the wind direction, the blades 6 at the top end of the rotary tower drum 2 are opposite to the wind direction, the contact area between the blades 6 and a wind field is the largest, the effective utilization rate of the area of the wind field is the highest, the generated energy of the wind driven generator is the largest, and the wind energy is utilized as much as possible.

Optionally, the outer diameter of the rotary tower drum 2 is smaller than the inner diameter of the bearing table 3, two sides of the rotary tower drum 2 are fixedly connected with symmetrically arranged rotating shafts 8, and transmission gears 9 are fixed on the rotating shafts 8; connecting holes are symmetrically formed in the inner wall of the bearing table 3, the rotating shaft 8 is rotatably connected in the corresponding connecting holes, driving motors are arranged below the connecting holes and fixed on the inner wall of the bearing table 3, and driving gears 10 meshed with the transmission gears 9 are fixed on the driving motors.

When the blades 6 are over against a wind field and the wind power of the wind field is increased, the transverse acting force applied to the tower barrel of the wind driven generator is gradually increased, and when the wind speed reaches a certain value, the tower barrel is broken and overturned; at the moment, the driving motor is started, the rotating shaft 8 is driven to rotate through the meshing of the driving gear 10 and the transmission gear 9, so that the rotating tower drum 2 is driven to incline towards the wind field direction in a proper amount, the gravity center of the rotating tower drum 2 and the blades 6 is deviated towards the wind direction, the gravity balance of the rotating drum body and the acting force of the wind field are utilized, the rotating tower drum 2 and the wind field are balanced, and the rotating tower drum 2 is prevented from being broken and overturned.

Optionally, two arc-shaped grooves 11 are formed in the bearing table 3, the arc-shaped grooves 11 are symmetrically arranged about a central axis of the connecting hole, and through holes 14 which are symmetrically arranged are formed in the centers of the arc-shaped grooves 11; two sides of the rotating shaft 8 are provided with winches 12, the output ends of the winches 12 are provided with hauling ropes 13, the hauling ropes 13 are arranged in the arc-shaped grooves 11, and the other ends of the hauling ropes 13 penetrate through the through holes 14 to be fixedly connected with the rotary tower barrel 2.

In the process of inclining the rotary tower 2, the hauling rope 13 is released through the winch 12, so that the hauling rope 13 is connected with the rotary tower 2; after the rotating tower drum 2 inclines, the winch 12 is turned off, the rotating tower drum 2 is subjected to tension balance by the aid of the winch 12 and the traction rope 13, and the rotating tower drum 2 is prevented from swinging to cause excessive inclination of the rotating tower drum 2.

Optionally, a guide limiting groove is formed in each of two sides of the groove, a ball 20 is embedded into the bottom of the guide limiting groove, the ball 20 is movably connected with the guide limiting groove, and a guide limiting block 15 matched with the guide limiting groove is fixed on the inner side and the outer side of the annular block 4.

Through the matching of the guide limiting groove and the guide limiting block 15, the functions of guiding and in-place are achieved in the rotating process of the bearing platform 3, and the bearing platform 3 is prevented from being separated from the fixed tower barrel 1; and the ball 20 that the guide limit slot bottom set up then plays the frictional force that reduces between guide limit slot and the guide limit piece 15, the slip of bearing platform 3 of being convenient for.

Optionally, a first electromagnet 16 is fixed on the upper surface of the guide limiting block 15, a second electromagnet 17 attached to the first electromagnet 16 is fixed on the upper surface of the guide limiting groove, the magnetic poles of the first electromagnet 16 and the second electromagnet are the same, and the first electromagnet 16 and the second electromagnet 17 are both connected with the generator set 7 through a PLC controller.

When the bearing platform 3 rotates until the blades 6 are opposite to the wind field, the power generation amount of the power generation unit 7 is increased, when the power generation amount is increased to be in a stable state, the PLC controller controls the power generation unit 7 to supply power to the first electromagnet 16 and the second electromagnet, and the first electromagnet 16 and the second electromagnet are adsorbed together, so that the bearing platform 3 is fixed, the bearing platform 3 is prevented from rotating back and forth, unnecessary abrasion is prevented, and meanwhile, the influence on the rotating tower drum 2 in an inclined state is also prevented; and when the generated energy of the generator set 7 fluctuates, the wind direction and the wind power of the wind field fluctuate, at the moment, the PLC controller controls the generator set 7 to stop supplying power to the first electromagnet 16 and the second electromagnet, and the first electromagnet 16 and the second electromagnet 17 are loosened, so that the bearing platform 3 can rotate to adapt to the wind field.

Optionally, the surface of the bearing table 3 is slidably connected with two symmetrically arranged clamping blocks 18, the opposite ends of the clamping blocks 18 are provided with arc-shaped openings, and a hydraulic damper is fixed between the clamping blocks 18 and the bearing table 3.

The rotating tower 2 is clamped by the clamping blocks 18 on both sides, so that the rotating tower 2 is prevented from overturning.

Optionally, an included angle between the air deflectors 5 is 30-80 degrees.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.