CN211549893U

CN211549893U - Supporting rod structure of wind wheel in vertical axis wind turbine

Info

Publication number: CN211549893U
Application number: CN201922432049.5U
Authority: CN
Inventors: 李亚琴
Original assignee: Hangzhou Ruifen E Commerce Co ltd
Current assignee: Tianjin Xinneng Technology Co.,Ltd.
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-22
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a bracing piece structure of wind wheel among vertical axis aerogenerator, including rotating the piece, seted up a plurality of dovetail grooves in the rotation piece, every the dovetail groove internal rotation is connected with the dead lever, every fixedly connected with arc pole on the lateral wall of dead lever. The utility model discloses a dead lever, the arc pole, the arc wall, the extrusion spring, the mating reaction in dovetail groove, when meetting strong wind or typhoon, and when exceeding the anti-wind strength of dead lever, the dead lever will be followed wind and inclined towards dorsal part, the dead lever when the dovetail groove inclines, can make the arc pole get into in the arc wall, and compress the extrusion spring, the dead lever sets up through the slope, make the wind-force that the dead lever received reduce greatly, and then the protection dead lever, the device reasonable in design, think about ingeniously, through making the dead lever slope, lift the wind-force that receives on the dead lever greatly off, avoid the dead lever to receive the damage.

Description

Supporting rod structure of wind wheel in vertical axis wind turbine

Technical Field

The utility model relates to a renewable energy technical field especially relates to a bracing piece structure of wind wheel among vertical axis aerogenerator.

Background

Renewable energy sources include solar energy, hydroenergy, wind energy, biomass energy, wave energy, tidal energy, ocean thermal energy, geothermal energy, and the like. They can be cyclically regenerated in nature. The energy source is inexhaustible energy, can be automatically regenerated without human participation, and is an energy source relative to inexhaustible non-renewable energy sources. Compared with new energy forms such as ocean energy, geothermal energy and the like, the wind energy development technology is low in difficulty, relatively mature and has considerable development prospect.

Wind generators are diverse, but can be classified into two categories: the wind power generator with the horizontal shaft has the advantages that the rotating shaft of the wind wheel is parallel to the wind direction; and the other is a vertical axis wind turbine, and the rotating shaft of the wind wheel is vertical to the ground or the direction of airflow. The wind power generator with the horizontal shaft adopts a variable pitch angle method to adapt to the change of wind speed and adjust the relation between the wind speed and load, and the operation performance can be improved by changing the attack angle of the blades in the wind power generator with the vertical shaft.

The wind power generation is performed by facing the wind to improve the power generation rate, but when the wind power generation encounters high wind or typhoon, the wind strength of the supporting rod of the wind wheel in the wind power generation is exceeded, and the supporting rod can be broken and damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bracing piece structure of wind wheel among vertical axis aerogenerator, solve exist among the prior art because wind power generation all openly faces the wind for improve the power generation rate, but when meetting strong wind or typhoon, exceeded the wind strength of the bracing piece of wind wheel among the wind power generation, just probably make the bracing piece break and the problem of damage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bracing piece structure of wind wheel among vertical axis aerogenerator, includes and rotates the piece, seted up a plurality of dovetail grooves in the rotation piece, every the dovetail groove internal rotation is connected with the dead lever, every fixedly connected with arc pole, every on the lateral wall of dead lever set up on the oblique lateral wall in dovetail groove with arc pole assorted arc wall, every the one end that the arc pole deviates from the dead lever is located the arc wall, every the arc pole deviates from the one end fixedly connected with fixed plate of dead lever, every fixedly connected with extrusion spring between the bottom lateral wall of fixed plate and arc wall, every two dogs of fixedly connected with on the opening lateral wall of arc wall, every the sliding tray has been seted up to the upper end of dead lever, every be connected with the blade through telescoping device in the sliding tray.

Preferably, the telescoping device includes the slide bar, every slide bar sliding connection is in the sliding tray, every threaded connection has the bolt on the lateral wall of sliding tray, every the one end of bolt is supported on the slide bar lateral wall, every two the upper end fixedly connected with of slide bar are the down tube that the symmetry set up, every the blade fixed connection is in the one end that deviates from the slide bar of two down tubes.

Preferably, a rubber pad is fixedly connected to the side wall of the trapezoidal groove.

Preferably, the fixing rod is provided with an anti-oxidation coating which is uniformly sprayed on the surface of the fixing rod.

Preferably, a Teflon coating is arranged on the inner side wall of the arc-shaped groove, and the thickness of the Teflon coating is 15 microns.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the dead lever, the arc pole, the arc wall, the extrusion spring, the mating reaction in dovetail groove, when meetting strong wind or typhoon, and when exceeding the anti-wind strength of dead lever, the dead lever will be along the wind towards dorsal part slope, the dead lever when the dovetail groove slopes, can make the arc pole get into in the arc wall, and compress the extrusion spring, the dead lever sets up through the slope, make the wind-force that the dead lever received reduce greatly, and then the protection dead lever, the device reasonable in design, think about ingeniously, through making the dead lever slope, lift the wind-force that receives on the dead lever greatly off, avoid the dead lever to receive the damage.

Drawings

Fig. 1 is a schematic front sectional structural view of a support rod structure of a wind wheel in a vertical axis wind turbine provided by the present invention;

fig. 2 is a schematic side sectional view of a supporting rod structure of a wind wheel in a vertical axis wind turbine according to the present invention, wherein the supporting rod structure is arranged between a fixed rod and a rotating member;

FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 1;

fig. 4 is a partially enlarged structural schematic diagram of B in fig. 2.

In the figure: 1 diagonal bar, 2 fixed rods, 3 rotating pieces, 4 sliding bars, 5 blades, 6 trapezoidal grooves, 7 arc-shaped bars, 8 rubber pads, 9 bolts, 10 sliding grooves, 11 stop blocks, 12 fixed plates, 13 extrusion springs and 14 arc-shaped grooves.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-3, a supporting rod structure of a wind wheel in a vertical axis wind turbine comprises a rotating member 3, the rotating member 3 is connected with a generator rotating shaft (not shown), a plurality of trapezoidal grooves 6 are formed in the rotating member 3, a fixing rod 2 is rotatably connected in each trapezoidal groove 6, an arc-shaped rod 7 is fixedly connected to the side wall of each fixing rod 2, an arc-shaped groove 14 matched with the arc-shaped rod 7 is formed in the oblique side wall of each trapezoidal groove 6, one end of each arc-shaped rod 7 departing from the fixing rod 2 is located in the arc-shaped groove 14, one end of each arc-shaped rod 7 departing from the fixing rod 2 is fixedly connected with a fixing plate 12, an extrusion spring 13 is fixedly connected between each fixing plate 12 and the bottom side wall of the arc-shaped groove 14, two stop blocks 11 are fixedly connected to the opening side wall of each arc-shaped groove 14, a sliding groove 10, the telescoping device includes

slide bar

4, 4 sliding connection of every slide bar are in slide way 10, threaded connection has bolt 9 on the lateral wall of every slide way 10, the one end of every bolt 9 supports on 4 lateral walls of slide bar, two down tube 1 that are the symmetry and set up of upper end fixedly connected with of every slide bar 4, 5 fixed connection of every blade is in the one end that deviates from slide bar 4 of two down tube 1, can slide bar 4 in slide way 10 through unscrewing bolt 9, make the extension or shorten the distance between 3 between blade 5 and the rotation, can adjust the length of best received wind-force, two down tube 1 are a firm triangle-shaped with blade 5, increase the fastness between slide bar 4 and the blade 5.

Fixedly connected with rubber pad 8 on the lateral wall of dovetail groove 6, when dead lever 2 strikes on rubber pad 8, rubber pad 8 can cushion dead lever 2's impact, prevent that dead lever 2 from receiving the damage, be equipped with anti-oxidation coating on dead lever 2, anti-oxidation coating is even spraying on dead lever 2 is surperficial, anti-oxidation coating is the zinc-plating coating, the material oxidation rate that zinc-plating coating can compare not zinc-plating slows down twenty times, can reduce the oxidative corrosion of air to the device greatly, extension fixture's life, be equipped with the Teflon coating on the inside wall of arc wall 14, Teflon coating thickness is 15 mu m, the friction coefficient on the inside wall of arc wall 14 can be reduced greatly to the Teflon coating, make arc 7 more smooth and easy when sliding in arc wall 14.

The utility model discloses in, when meetting strong wind or typhoon, and when exceeding the wind-resistant strength of dead lever 2, dead lever 2 will be along the wind towards dorsal part slope, dead lever 2 when the slope in dovetail groove 6, can make in the arc 8 gets into the arc 14, and compress extrusion spring 13, dead lever 2 sets up through the slope, make the wind-force that dead lever 2 received reduce greatly, and then protection dead lever 2, when wind-force reduces, under extrusion spring 13's effect, dead lever 2 will resume initial vertical state, the device reasonable in design, think about ingeniously, through making dead lever 2 slope, lift the wind-force that receives on dead lever 2 greatly, avoid dead lever 2 to receive the damage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A supporting rod structure of a wind wheel in a vertical axis wind driven generator comprises a rotating part (3) and is characterized in that a plurality of trapezoidal grooves (6) are formed in the rotating part (3), fixing rods (2) are rotationally connected in each trapezoidal groove (6), arc-shaped rods (7) are fixedly connected to the side walls of the fixing rods (2), arc-shaped grooves (14) matched with the arc-shaped rods (7) are formed in the inclined side walls of the trapezoidal grooves (6), one ends of the arc-shaped rods (7) departing from the fixing rods (2) are located in the arc-shaped grooves (14), one ends of the arc-shaped rods (7) departing from the fixing rods (2) are fixedly connected with fixing plates (12), an extrusion spring (13) is fixedly connected between each fixing plate (12) and the bottom side wall of the arc-shaped groove (14), and two stop blocks (11) are fixedly connected to the opening side wall of each arc-shaped groove (14), each fixing rod (2) is provided with a sliding groove (10) at the upper end, and each sliding groove (10) is internally connected with a blade (5) through a telescopic device.

2. The support rod structure of the wind wheel in the vertical axis wind turbine according to claim 1, wherein the telescopic device comprises sliding rods (4), each sliding rod (4) is slidably connected in a sliding groove (10), a bolt (9) is in threaded connection with the side wall of each sliding groove (10), one end of each bolt (9) abuts against the side wall of each sliding rod (4), two symmetrically-arranged oblique rods (1) are fixedly connected to the upper end of each sliding rod (4), and each blade (5) is fixedly connected to one end of each oblique rod (1) away from the sliding rod (4).

3. The support bar structure of the wind wheel in a vertical axis wind turbine according to claim 1, characterized in that the side wall of the trapezoidal groove (6) is fixedly connected with a rubber pad (8).

4. The support rod structure of the wind wheel in the vertical axis wind turbine as claimed in claim 1, wherein the fixing rod (2) is provided with an anti-oxidation coating, and the anti-oxidation coating is uniformly sprayed on the surface of the fixing rod (2).

5. The support bar structure of the wind wheel in the vertical axis wind turbine as claimed in claim 1, wherein the inner side wall of the arc-shaped groove (14) is provided with a teflon coating, and the thickness of the teflon coating is 15 μm.