CN207813824U

CN207813824U - A kind of vertical axis aerogenerator

Info

Publication number: CN207813824U
Application number: CN201820034440.2U
Authority: CN
Inventors: 张锦文
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-09
Filing date: 2018-01-09
Publication date: 2018-09-04
Anticipated expiration: 2028-01-09

Abstract

The utility model discloses a kind of vertical axis aerogenerators comprising impeller, transmission shaft, axle sleeve, supporting rack and generator；Symmetrical structure centered on the impeller, impeller include rotation seat, connecting rod and blade, and one end of the connecting rod and rotation seat horizontal connection, the quantity of connecting rod are at least three, and a blade is combined in every connecting rod, and the blade is in semiellipsoid structure；The upper end of the transmission shaft and rotation seat vertical connection, the lower end of transmission shaft is coaxially connected with the rotation axis of the rotor of generator；Support frame as described above is fixedly connected with the outer wall of axle sleeve；The axle sleeve is nested with transmission shaft and rotation axis, and the first pressure bearing being interference fitted with transmission shaft is equipped between the upper end and rotation seat bottom end of axle sleeve, and the zanjon ball bearing being interference fitted with transmission shaft is equipped between axle sleeve and transmission shaft.The utility model has the advantages that wind-force is small, blade wind surface wind gathering effect is good, the air resistance coefficient in blade drag face is small needed for startup, can guarantee to wind energy utilization height.

Description

A kind of vertical axis aerogenerator

Technical field

The utility model is related to wind power generation fields, particularly relate to a kind of vertical axis aerogenerator.

Background technology

Existing resistance type vertical shaft wind driven generator impeller wheel portion is mainly made of blade and holder, wherein blade is more The structure type being combined with convex surface using concave surface, i.e. blade side are concave surface, and the other side is convex surface, concave surface as blade by Wind face, resistance area of the convex surface as blade.In general, a wind power generator impeller has 3~5 blades, each blade by Wind face is opposite with the resistance area of adjacent blades, makes it in arrangement in the same direction.When wind (air stream) is blown over, the wind surface of blade by The resistance area of larger flow resistance, blade is finally produced rotation by compared with small flow resistance since two collateral resistance of blade is uneven Couple so that blade is rotated around impeller center, and such impeller is just rotated to drive the rotor of generator to be rotated.Resistance Power type vertical axis aerogenerator due to impeller rotary shaft perpendicular to the ground and torque direction is fixed, with trunnion axis wind Power generator is compared, it has without the main advantage to wind, while having both the advantages that vane manufacturing is simple.But it is existing The problem that the wind surface of the blade of resistance type vertical shaft wind driven generator is bad to the congregational rate of wind, resistance area windage is larger, And it is larger to there is a problem that startup wind-force requires, and these all affect utilization rate of the vertical-axis generators to wind energy.

Utility model content

The purpose of this utility model is to provide a kind of vertical axis aerogenerators with overcome the deficiencies in the prior art.

In order to achieve the above objectives, the solution of the utility model is：

A kind of vertical axis aerogenerator comprising impeller, transmission shaft, axle sleeve, supporting rack and generator；The impeller Centered on symmetrical structure, impeller includes rotation seat, connecting rod and blade, and one end and the rotation seat level of the connecting rod connect It connects, the quantity of connecting rod is at least three, and a blade is combined in every connecting rod, and the blade is in semiellipsoid structure, leaf The both sides of piece are respectively the wind surface of indent and the resistance area of evagination；The upper end of the transmission shaft and rotation seat vertical connection, pass The lower end of moving axis is coaxially connected with the rotation axis of the rotor of generator；Support frame as described above is fixedly connected with the outer wall of axle sleeve；It is described Axle sleeve is nested with transmission shaft and rotation axis, and the first pressure being interference fitted with transmission shaft is equipped between the upper end and rotation seat bottom end of axle sleeve Power bearing is equipped with the zanjon ball bearing being interference fitted with transmission shaft between axle sleeve and transmission shaft.

The other end of the connecting rod is placed through in the wind surface of blade and is close to be connected with the wind surface of blade.

The connecting rod is fixedly connected by fixing bolt with blade；Blade is equipped at least two perforation, the connection Bar is equipped with through-hole corresponding with perforation, and fixing bolt passes through through-hole and perforation to be spirally connected with nut.

The connecting rod is welded to connect with blade.

The bottom end of the rotation seat forms the first bolt portion, and the upper end of the transmission shaft is formed and the cooperation of the first bolt portion First nut portions.

The lower end of the transmission shaft forms the second bolt portion, and the rotation axis upper end of the rotor is formed matches with the second bolt portion The second nut portions closed.

The second pressure axis being interference fitted with rotation axis is equipped between the lower end of the axle sleeve and the case top of generator It holds, the third pressure axis being interference fitted with rotation axis is equipped between the bottom of the rotor of generator and the housing bottom of generator It holds.

The quantity of the connecting rod is four.

With the above structure, the utility model has the following advantages：

1, the blade of the utility model is in semiellipsoid structure, and the both sides of blade are respectively the wind surface and evagination of indent Resistance area can make the wind surface of blade good to the congregational rate of wind, and resistance area air resistance coefficient is small, so that this practicality is new Type is high to acting on the wind utilization rate on blade；

2, the impeller of the utility model is rotated by the rotor of transmission shaft pushing generator, and turn of transmission shaft and rotor Moving axis is coaxially connected, i.e., the axial direction of the rotor of generator vertically, causes to hinder to avoid the gravity of rotor to the rotation of rotor Hinder, starts required wind-force to reduce the utility model to improve the utilization rate to wind energy；

3, the utility model, can be to avoid impeller and transmission by being equipped with zanjon ball bearing between axle sleeve and transmission shaft Axis is swung, and to reduce the abrasion of transmission shaft, improves the service life of transmission shaft；

4, the axle sleeve of the utility model is nested with transmission shaft, and transmission shaft is connected with the rotation seat of impeller, axle sleeve and rotation seat it Between be equipped with first pressure bearing, axle sleeve is fixed on supporting rack, it is possible to reduce impeller and transmission shaft to the axial load of engine, And make the rotation of impeller and transmission shaft more smooth, start required wind-force to reduce the utility model to improve to wind energy Utilization rate.

Description of the drawings

Fig. 1 is the stereogram of the utility model；

Fig. 2 is the exploded view of the utility model；

Fig. 3 is the exploded view of the impeller of the utility model；

Fig. 4 is the partial sectional view of the utility model.

Specific implementation mode

In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into Row elaborates.

As shown in Figures 1 to 4, a kind of vertical axis aerogenerator of the utility model, including impeller 1, transmission shaft 2, axle sleeve 3, supporting rack 4 and generator 5.

Coordinate Fig. 2 and Fig. 3 shown in, symmetrical structure centered on the impeller 1, impeller include rotation seat 11, connecting rod 12 with And blade 13, one end and the horizontal connection by way of welding or being spirally connected of rotation seat 11 of the connecting rod 12, connecting rod 12 Quantity be at least three, it is preferred that the quantity of the connecting rod 12 is four, is combined with a blade in every connecting rod 12 13, as shown in figure 3, the blade 13 is in semiellipsoid structure, the both sides of blade 13 are respectively the wind surface 131 and evagination of indent Resistance area 132.As depicted in figs. 1 and 2, the other end of the connecting rod 12 can be placed through in the wind surface 131 of blade 13 And be close to be connected with the wind surface of blade 13 131, the bonding strength of connecting rod 12 and blade 13 can be improved in this way, to avoid Blade 13 falls off；Specifically, the connecting rod 12 can be fixedly connected by fixing bolt a with blade 13；On the blade 13 Equipped at least two perforation 133, the connecting rod 12 is equipped with to be passed through logical with 133 corresponding through-holes 121 of perforating, fixing bolt a Hole 121 and perforation 133 are spirally connected with nut b connecting rod 12 is fixedly connected with blade 13, such blade 13 and connecting rod 12 it Between be releasable connection, in order to replace blade 13；The connecting rod 12 and the connection of blade 13 are not limited to aforesaid way, institute Stating the other end of connecting rod 12 can connect with other parts such as the resistance areas 131 of the end of blade 12 or blade 12, connection Bar 12 can also be attached with blade 13 by the way of welding.

Coordinate shown in Fig. 2 and Fig. 4, the upper end of the transmission shaft 2 and 11 vertical connection of rotation seat, the lower end of transmission shaft 2 with The rotation axis 521 of the rotor 52 of generator 5 is coaxially connected；Specifically, the bottom end of the rotation seat 11 can form the first bolt Portion 111, the upper end of the transmission shaft 2 form the first nut portions 21 with the cooperation of the first bolt portion 111, such transmission shaft 2 it is upper End is spirally connected with rotation seat 11 so as to assembly and disassembly, as long as the locking direction in control the first bolt portion 111 and the first nut portions 21 It is identical as the direction that impeller 1 by the wind rotates it is ensured that transmission shaft 2 is bonded with rotation seat 11；And under the transmission shaft 2 End can form the second bolt portion 22, and 521 upper end of rotation axis of the rotor 52 forms second with the cooperation of the second bolt portion 22 Nut portions 5211, such transmission shaft 2 and the rotation axis 521 of rotor 52 are spirally connected so as to assembly and disassembly, as long as the second bolt of control Portion 22 and the locking direction of the second nut portions 5211 are identical as the direction that impeller 1 by the wind rotates it is ensured that transmission shaft 2 and rotor 52 rotation axis 521 is bonded, herein it should be noted that the transmission shaft 2 is not limited to use spiral shell with rotation seat 11 The mode connect is attached, and the transmission shaft 2 can also be to be attached by the way of welding with rotation seat 11；The transmission The rotation axis 521 of axis 2 and rotor 52 is also not limited to be attached by the way of being spirally connected, the transmission shaft 2 and rotor 52 Rotation axis 521 can also be using welding by the way of be attached..

Coordinate shown in Fig. 1 to Fig. 3, support frame as described above 4 can be fixedly connected by welding with the outer wall of axle sleeve 3； Coordinate shown in Fig. 4, the axle sleeve 3 is nested with transmission shaft 2 and rotation axis 521, is equipped with and biography between the upper end and rotation seat 11 of axle sleeve 3 The first pressure bearing 6 that moving axis 2 is interference fitted is equipped with the zanjon being interference fitted with transmission shaft 2 and rolls between axle sleeve 3 and transmission shaft 2 Pearl bearing 9, so that impeller 1 and the rotation of transmission shaft 2 are more smooth.Further, the lower end of the axle sleeve 3 and generator 5 Be equipped with the second pressure bearing 7 be interference fitted with rotation axis 521 between the top of shell 51, the bottom of the rotor 52 of generator 5 and The third pressure bearing 8 being interference fitted with rotation axis 521 is equipped between 51 bottom of shell of generator 5, it thus can be rotor 52 are supported by 51 top and bottom of the shell of engine 5, and reduce second pressure bearing 7 and third pressure bearing 8 is held The axial load being subject to, to improve the service life of second pressure bearing 7 and third pressure bearing 8.

When the utility model is implemented, it can directly dispose by the sea or on high mountain, be generated electricity using natural wind；Also may be used To be mounted on roof of the vehicle, the wind-force generated when being advanced using automobile is generated electricity.

With the above structure, the utility model has the following advantages：

1, the blade 13 of the utility model is in semiellipsoid structure, and the both sides of blade 13 are respectively the wind surface 131 of indent With the resistance area 132 of evagination, the wind surface 131 of blade 13 can be made good to the congregational rate of wind, the choke face 132 of blade 13 Air resistance coefficient is small, so that the utility model is high to acting on the wind utilization rate on blade 13；

2, the impeller 1 of the utility model is rotated by the rotor 52 of 2 pushing generator 5 of transmission shaft, and transmission shaft 2 with turn Son 52 rotation axis 521 coaxially be connected, i.e., the axial direction of the rotor 52 of generator 5 vertically, to avoid the gravity pair of rotor 52 The rotation of rotor 52 causes to hinder, and starts required wind-force to reduce the utility model to improve the utilization rate to wind energy；

3, the utility model, can be to avoid 1 He of impeller by being equipped with zanjon ball bearing 9 between axle sleeve 3 and transmission shaft 2 Transmission shaft 2 is swung, and to reduce the abrasion of transmission shaft 2, improves the service life of transmission shaft 2；

4, the axle sleeve 3 of the utility model is nested with transmission shaft 2, and transmission shaft 2 is connected with the rotation seat 11 of impeller 1, axle sleeve 3 with turn It is equipped with first pressure bearing 6 between dynamic seat 11, axle sleeve 3 is fixed on supporting rack 4, it is possible to reduce impeller 1 and transmission shaft 2 are to starting The axial load of machine 5, and make impeller 1 and the rotation of transmission shaft 2 more smooth, to reduce needed for the utility model startup Wind-force is to improve the utilization rate to wind energy.

The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.

Claims

1. a kind of vertical axis aerogenerator, it is characterised in that：Including impeller, transmission shaft, axle sleeve, supporting rack and generator；

Symmetrical structure centered on the impeller, impeller include rotation seat, connecting rod and blade, one end of the connecting rod with turn Dynamic seat horizontal connection, the quantity of connecting rod are at least three, and a blade is combined in every connecting rod, and the blade is in semielliptical The both sides of body structure, blade are respectively the wind surface of indent and the resistance area of evagination；

The upper end of the transmission shaft and rotation seat vertical connection, the coaxial phase of rotation axis of the lower end of transmission shaft and the rotor of generator Even；

Support frame as described above is fixedly connected with the outer wall of axle sleeve；The axle sleeve is nested with transmission shaft and rotation axis, the upper end of axle sleeve with turn It is equipped with the first pressure bearing being interference fitted with transmission shaft between dynamic seat bottom end, is equipped with and transmission shaft mistake between axle sleeve and transmission shaft It is full of the zanjon ball bearing of cooperation.

2. a kind of vertical axis aerogenerator as described in claim 1, it is characterised in that：The other end of the connecting rod places It is close to be connected in the wind surface of blade and with the wind surface of blade.

3. a kind of vertical axis aerogenerator as claimed in claim 2, it is characterised in that：The connecting rod passes through fixing bolt It is fixedly connected with blade；Blade is equipped at least two perforation, and the connecting rod is equipped with through-hole corresponding with perforation, fixed spiral shell Bolt passes through through-hole and perforation to be spirally connected with nut.

4. a kind of vertical axis aerogenerator as claimed in claim 1 or 2, it is characterised in that：The connecting rod is welded with blade It connects in succession.

5. a kind of vertical axis aerogenerator as described in claim 1, it is characterised in that：The bottom end of the rotation seat forms the One bolt portion, the upper end of the transmission shaft form the first nut portions with the cooperation of the first bolt portion.

6. a kind of vertical axis aerogenerator as described in claim 1, it is characterised in that：The lower end of the transmission shaft forms the Two bolt portions, the rotation axis upper end of the rotor form the second nut portions with the cooperation of the second bolt portion.

7. a kind of vertical axis aerogenerator as described in claim 1, it is characterised in that：The lower end of the axle sleeve and generator Case top between be equipped with the second pressure bearing that is interference fitted with rotation axis, the bottom of the rotor of generator and generator The third pressure bearing being interference fitted with rotation axis is equipped between housing bottom.

8. a kind of vertical axis aerogenerator as described in claim 1, it is characterised in that：The quantity of the connecting rod is four Root.