CN218598294U - Land wind power tower capable of rotating along with wind direction - Google Patents

Abstract

The utility model relates to a land wind power tower frame capable of rotating along with wind direction, which comprises a supporting unit and a wind power generation unit; the supporting unit comprises a buffer chamber, a base, a supporting cylinder and an upright post; the base is arranged in the buffer chamber, the bottom of the base is elastically connected with the bottom of the buffer chamber through the buffer part, and at least one side of the base is elastically connected with the inner wall of the buffer chamber through the buffer part; the axis of the supporting cylinder is vertically arranged, the bottom of the supporting cylinder is fixedly connected with the top of the base, and a balance ball is arranged in the supporting cylinder; the balance ball can swing to balance the gravity center of the support cylinder; the bottom of the upright post is rotationally connected with the top of the supporting cylinder; the wind power generation unit comprises a machine body, a wind power generator and a tail wing; the middle part of the machine body is fixedly connected with the top of the upright post; the wind driven generator is fixed at one end of the machine body and can generate electricity by means of wind power; the empennage is fixed at the other end of the body and can swing by means of wind power to drive the body and the upright post to rotate, and further adjust the position of the wind driven generator.

Description

Land wind power tower capable of rotating along with wind direction

Technical Field

The utility model relates to a wind power tower technical field especially relates to a wind power tower is used on land that can follow wind direction pivoted.

Background

Wind power is used in recent years as a renewable energy source for power generation. The wind power generation mechanism is often mounted on a wind power tower so as to be higher than the ground surface, and further, the wind power generation mechanism can better utilize wind energy to generate electricity. However, the wind direction is often unstable, so that the wind power generation mechanism cannot utilize the wind energy to the maximum extent. Gradually, a wind power generation mechanism capable of adjusting the orientation is created.

The wind power generation mechanism with the adjustable direction comprises a machine body, a wind power generator and a tail wing. The wind driven generator is fixed at one end of the machine body and can generate electricity by means of wind power. The tail wing is fixed at the other end of the machine body and can swing by means of wind power to drive the machine body to rotate, and then the position of the wind driven generator is adjusted. The tail wing can adjust the direction of the wind driven generator according to the change of the wind direction so as to utilize the wind energy to the maximum extent.

However, for some areas with higher wind power level in China, the working environment is also relatively severe. Because the wind power generation mechanism with the adjustable direction can move, higher requirements are put forward on the wind power tower. If the wind power tower adopts a rigid connection mode, when strong wind exists, the wind power tower bears load which is multiple times of normal load, the whole wind power tower is easy to rigidly break, and the wind power generation mechanism cannot be guaranteed to stably work for a long time. If the wind power tower adopts a flexible connection form, the wind power tower is easy to topple when encountering strong wind, so that the wind power generation mechanism cannot be ensured to work stably for a long time.

Therefore, how to ensure the wind power generation mechanism to work stably for a long time becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

For solving the problem that can't ensure wind power generation mechanism work steadily for a long time, the utility model provides a wind power tower for land that can follow wind direction pivoted.

The wind power tower frame capable of rotating along with the wind direction comprises a supporting unit and a wind power generation unit;

the supporting unit comprises a buffer chamber, a base, a supporting cylinder and an upright post;

the buffer chamber is hollow;

the base is arranged in the buffer chamber, the bottom of the base is elastically connected with the bottom of the buffer chamber through the buffer part, and at least one side of the base is elastically connected with the inner wall of the buffer chamber through the buffer part;

the axis of the supporting cylinder is vertically arranged, the bottom of the supporting cylinder is fixedly connected with the top of the base, and a balance ball is arranged inside the supporting cylinder; the balance ball can swing to balance the gravity center of the support cylinder;

the bottom of the upright post is rotationally connected with the top of the supporting cylinder;

the wind power generation unit comprises a machine body, a wind power generator and a tail wing;

the middle part of the machine body is fixedly connected with the top of the upright post;

the wind driven generator is fixed at one end of the machine body and can generate electricity by means of wind power;

the empennage is fixed at the other end of the body and can swing by means of wind power to drive the body and the upright post to rotate, and further adjust the position of the wind driven generator.

In some embodiments, the four sides of the base are elastically connected with the four sides of the buffer chamber through the buffer parts respectively.

In some of these embodiments, the buffer is a spring.

In some embodiments, the cushioning portion is a rubber pad.

In some of these embodiments, the support unit further comprises a support bar;

the supporting rods are multiple, the axes of the supporting rods are vertically arranged, and the supporting rods are uniformly distributed around the axis of the stand column; the bottom of each supporting rod is fixedly connected with the top of the supporting cylinder, and the outer wall of each supporting rod is abutted against the outer wall of the corresponding upright column.

In some of these embodiments, the support unit further comprises a first sleeve and a second sleeve;

the first sleeve is sleeved on the outer wall of the upright post, and the inner wall of the first sleeve is rotatably connected with the outer wall of the upright post;

the plurality of second sleeves are sleeved on the outer walls of the supporting rods in a one-to-one correspondence manner with the plurality of supporting rods; the inner wall of each second sleeve is rotatably connected with the outer wall of one support rod, and the outer wall of each second sleeve is abutted against the outer wall of the corresponding first sleeve.

In some of these embodiments, the support unit further comprises a bearing;

the axis of the bearing is vertically arranged, the outer ring is fixedly connected with the inner wall of the top of the supporting cylinder, and the inner ring is fixedly connected with the bottom of the upright post.

In some of these embodiments, the support unit further comprises a pull cord;

the axis of the traction rope is vertically arranged, the top of the traction rope is fixedly connected with the outer ring of the bearing, and the bottom of the traction rope is fixedly connected with the balance ball.

In some embodiments, the top of the buffer chamber is provided with an abdicating hole for the support cylinder to pass through;

a sealing ring is arranged in the abdicating hole;

the inner wall of the sealing ring is abutted against the outer wall of the bottom of the supporting cylinder.

In some of these embodiments, the fuselage has a circular cross-section perpendicular to the axis, with the larger cross-section near the end of the wind turbine and the smaller cross-section near the tail.

The utility model has the advantages that:

(1) The tail wing can adjust the direction of the wind driven generator according to the change of the wind direction, so that the wind driven generator can utilize wind energy to the maximum extent.

(2) The bottom of the base is elastically connected with the bottom of the buffer chamber through the buffer part, and at least one side of the base is elastically connected with the inner wall of the buffer chamber through the buffer part. For adopting the rigid connection form, when encountering strong wind, the partial pressure that the buffer part bore the base can furthest cushion, has guaranteed that the supporting element has certain toughness, has improved the anti-wind rank and the anti-load capacity of supporting element, is difficult for taking place rigidity fracture, and then has ensured that wind power generation unit can work stably for a long time.

(3) A balance ball is arranged in the supporting cylinder and has a certain weight. Adopt the flexible connection form for the wind power tower, when meeting with strong wind, the focus when wind power generation unit, base, a supporting cylinder and stand take place to swing can be balanced better to the balancing ball for wind power tower is difficult for empting for land, and then has ensured that wind power generation unit can work stably for a long time.

Drawings

FIG. 1 is a schematic structural view of some embodiments of a windward rotatable wind tower for land use according to the present invention;

FIG. 2 is a cross-sectional view of the support unit in the weathervaning wind tower of FIG. 1.

In the drawing, 110, a support unit; 111. a buffer chamber; 112. a base; 113. a support cylinder; 1131. a balance ball; 114. a column; 115. a buffer section; 116. a support bar; 1171. a first sleeve; 1172. a second sleeve; 118. a bearing; 119. a hauling rope; 120. a wind power generation unit; 121. a body; 122. a wind power generator; 123. a tail wing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axis", "circumferential" and the like refer to the orientation or positional relationship shown in the drawings, which are only for convenience of description of the present invention or simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be in communication within two elements or in interactive relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1 and 2, a wind tower for land use that can rotate with wind includes a support unit 110 and a wind power generation unit 120. Among them, the supporting unit 110 includes a buffer chamber 111, a base 112, a supporting cylinder 113, and a pillar 114. The buffer chamber 111 has a square hollow structure. The base 112 is a square solid structure and is disposed in the buffer chamber 111, the bottom of the base is elastically connected to the bottom of the buffer chamber 111 through the buffer portion 115, and at least one side of the base is elastically connected to the inner wall of the buffer chamber 111 through the buffer portion 115. The supporting cylinder 113 is a conical hollow structure, the axis of which is vertically arranged, the bottom of which is fixedly connected with the top of the base 112, and a balance ball 1131 is arranged inside. The balance ball 1131 can swing to balance the center of gravity of the support cylinder 113. The bottom of the upright column 114 is rotatably connected with the top of the supporting cylinder 113 and can rotate around the axis of the upright column. The wind power generation unit 120 includes a body 121, a wind power generator 122, and a tail 123. Wherein, the middle part of the body 121 is fixedly connected with the top of the upright column 114. The wind power generator 122 is fixed to one end of the body 121 and can generate power by wind power. The tail 123 is fixed at the other end of the body 121, and can swing by wind power to drive the body 121 and the upright 114 to rotate, so as to adjust the position of the wind power generator 122.

In this embodiment, the supporting unit 110 can support and fix the wind power generation unit 120, and the wind power generation unit 120 can generate power by wind power. The rear wing 123 can adjust the orientation of the wind power generator 122 according to the change of the wind direction so that the wind power generator 122 can utilize the wind energy to the maximum extent. It should be noted that the wind power generator 122 is a prior art, and the structure and operation thereof are not described in detail herein. Specifically, the bottom of the base 112 is elastically connected to the bottom of the buffer chamber 111 through the buffer portion 115, and at least one side is elastically connected to the inner wall of the buffer chamber 111 through the buffer portion 115. Compared with a rigid connection mode, when strong wind is encountered, the deflection force borne by the base 112 by the buffer part 115 can be buffered to the maximum extent, so that the supporting unit 110 has certain toughness, the wind resistance level and the load resistance capability of the supporting unit 110 are improved, rigid fracture is not easy to occur, and the wind power generation unit 120 can stably work for a long time. A balance ball 1131 is provided in the support cylinder 113, and the balance ball 1131 has a certain weight. Adopt flexible connection form for the wind power tower, when meeting with strong wind, the focus when wind power generation unit 120, base 112, support section of thick bamboo 113 and stand 114 take place to swing can be balanced better to balancing ball 1131 for wind power tower is difficult for toppling over for land, and then has ensured that wind power generation unit 120 can work steadily for a long time.

In some embodiments of the present invention, four sides of the base 112 are elastically connected to four sides of the buffer chamber 111 through the buffer portions 115, respectively. In this way, the degree of buffering the deflection force borne by the base 112 is further improved, so that the toughness, wind resistance level and load resistance of the supporting unit 110 are further improved.

In some embodiments of the present invention, the buffering portion 115 is a spring, which has good supporting performance and convenient material collection, and can reduce the manufacturing cost of the supporting unit 110, and has a long service life.

The utility model discloses some embodiments, buffer 115 is the rubber pad, can laminate better on base 112, and is great with base 112's area of contact, can disperse the bearing capacity better. When in work, the noise is low.

In some embodiments of the present invention, the supporting unit 110 further includes a supporting rod 116. The supporting rods 116 are multiple, the axes of the supporting rods are all vertically arranged and are evenly distributed around the axis of the upright column 114. The bottom of each support rod 116 is fixedly connected with the top of the support cylinder 113, and the outer wall of each support rod is abutted against the outer wall of the upright column 114. The plurality of support rods 116 can play a role of limiting and supporting the upright column 114, share the deviation force borne by the upright column 114, and improve the load resistance of the support unit 110.

In some embodiments of the present invention, the support unit 110 further comprises a first sleeve 1171 and a second sleeve 1172. The first sleeve 1171 is sleeved on the outer wall of the upright 114, and the inner wall is rotationally connected with the outer wall of the upright 114 through a ball. The second sleeves 1172 are provided in plural, and are sleeved on the outer wall of the supporting rod 116 in one-to-one correspondence with the supporting rods 116. The inner wall of each second sleeve 1172 is rotatably connected to the outer wall of one of the support rods 116 via a ball bearing, and the outer wall abuts against the outer wall of the first sleeve 1171. When the upright 114 rotates, the first roller and the second roller can effectively reduce the resistance of the support rod 116 to the upright 114, so that the upright 114 can rotate more smoothly.

In some embodiments of the present invention, the supporting unit 110 further includes a bearing 118, an axis of the bearing 118 is vertically disposed, an outer ring is fixedly connected to an inner wall of the top of the supporting cylinder 113, and an inner ring is fixedly connected to a bottom of the upright 114.

In some embodiments of the present invention, the supporting unit 110 further includes a pulling rope 119, an axis of the pulling rope 119 is vertically disposed, a top portion is fixedly connected to an outer ring of the bearing 118, and a bottom portion is fixedly connected to the balance ball 1131. The hauling cable 119 enables the balance ball 1131 and the bearing 118 to be in a flexible connection mode, and the balance ball 1131 can swing to balance the center of gravity.

The utility model discloses some embodiments, the hole of stepping down that supplies support section of thick bamboo 113 to pass is seted up at the top of surge chamber 111, and the downthehole sealing ring that is equipped with of stepping down, the inner wall of sealing ring and the outer wall looks butt of the bottom of supporting section of thick bamboo 113. Thus, the possibility of impurities entering the buffer chamber 111 is effectively reduced, and the service life of the buffer chamber 111 is prolonged.

In some embodiments of the present invention, the body 121 is a hollow structure, so that the overall weight is light, which is beneficial for the tail 123 to drive the body 121 to rotate. The cross section of the body 121 perpendicular to the axis is a circular structure, so that the occurrence of side ridges is avoided, and the cross section of the end close to the wind power generator 122 is larger, and the cross section of the end close to the tail 123 is smaller. Thus, the body 121 is less resistant to rotation.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "one specific embodiment," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Above, only the specific implementation manner of the preferred embodiment of the present invention is shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the design of the present invention within the scope of the present invention.

Claims (10)

1. A wind power tower for land that can follow wind direction and rotate, characterized by, includes:

a support unit and a wind power generation unit;

the supporting unit comprises a buffer chamber, a base, a supporting cylinder and an upright post;

the buffer chamber is hollow;

the base is arranged in the buffer chamber, the bottom of the base is elastically connected with the bottom of the buffer chamber through a buffer part, and at least one side of the base is elastically connected with the inner wall of the buffer chamber through the buffer part;

the axis of the supporting cylinder is vertically arranged, the bottom of the supporting cylinder is fixedly connected with the top of the base, and a balance ball is arranged inside the supporting cylinder; the balance ball can swing to balance the gravity center of the support cylinder;

the bottom of the upright post is rotatably connected with the top of the supporting cylinder;

the wind power generation unit comprises a machine body, a wind power generator and a tail wing;

the middle part of the machine body is fixedly connected with the top of the upright post;

the wind driven generator is fixed at one end of the machine body and can generate electricity by means of wind power;

the empennage is fixed at the other end of the machine body and can swing by means of wind power to drive the machine body and the stand column to rotate, and then the position of the wind driven generator is adjusted.

2. The weathervaning terrestrial wind tower according to claim 1, wherein four sides of the base are elastically connected to four sides of the buffer chamber by the buffer portions, respectively.

3. Wind tower for terrestrial use according to claim 1 or 2, wherein the buffer is a spring.

4. Wind turbine tower for terrestrial wind, which is rotatable weathervaning according to claim 1 or 2, wherein the buffer is a rubber pad.

5. A weathervaning terrestrial wind power tower according to claim 1 or 2, in which the support unit further comprises a support bar;

the supporting rods are multiple, the axes of the supporting rods are vertically arranged, and the supporting rods are uniformly distributed around the axis of the upright post; the bottom of each supporting rod is fixedly connected with the top of the supporting cylinder, and the outer wall of each supporting rod is abutted to the outer wall of the corresponding upright post.

6. A weatherable terrestrial wind power tower according to claim 5, wherein the support unit further comprises a first sleeve and a second sleeve;

the first sleeve is sleeved on the outer wall of the upright post, and the inner wall of the first sleeve is rotatably connected with the outer wall of the upright post;

the plurality of second sleeves are sleeved on the outer walls of the supporting rods in a one-to-one correspondence manner; the inner wall of each second sleeve is rotatably connected with the outer wall of one support rod, and the outer wall of each second sleeve is abutted against the outer wall of the corresponding first sleeve.

7. Wind tower for terrestrial use, which is rotatable weathervaning according to claim 1 or 2, wherein the support unit further comprises a bearing;

the axis of the bearing is vertically arranged, the outer ring is fixedly connected with the inner wall of the top of the supporting cylinder, and the inner ring is fixedly connected with the bottom of the upright post.

8. The weathervaning land wind tower of claim 7, wherein said support unit further comprises a tow rope;

the axis of the traction rope is vertically arranged, the top of the traction rope is fixedly connected with the outer ring of the bearing, and the bottom of the traction rope is fixedly connected with the balance ball.

9. The wind power tower capable of rotating with wind direction for land use according to claim 1 or 2, wherein the top of the buffer chamber is provided with a yielding hole for the support cylinder to pass through;

a sealing ring is arranged in the abdicating hole;

the inner wall of the sealing ring is abutted against the outer wall of the bottom of the supporting cylinder.

10. Wind power tower for land use according to claim 1 or 2, wherein the fuselage has a circular cross section perpendicular to the axis, with the larger cross section near the end of the wind generator and the smaller cross section near the end of the tail.

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