CN210483954U

CN210483954U - Fan blade on wind driven generator

Info

Publication number: CN210483954U
Application number: CN201921170057.0U
Authority: CN
Inventors: 唐建华; 程勇; 苏兴锋
Original assignee: Nanjing Cni Energy Engineering Co ltd
Current assignee: Nanjing Cni Energy Engineering Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-08
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a flabellum on aerogenerator, concretely relates to electric power engineering field, including wheel hub, wheel hub's surface is equipped with the fixed slot, one side of wheel hub is equipped with the blade, wheel hub's inside is equipped with the spacing groove, the inner wall of blade is equipped with the nut, the surface of blade is equipped with first hole groove, wheel hub's surface is equipped with first bolt, one side of wheel hub is equipped with the wheel hub dustcoat. The utility model discloses a blade on wheel hub surface rotates along with the wind direction and generates electricity, the blade sets up to three, compare with two leaf wind wheels, the equilibrium when three leaf wind wheels operate is better, the pressure of bringing because of the wind speed flow is very fast has been reduced, make the machine cause the damage, set up the fixture block that the screw utilized wheel hub dustcoat surface on the wheel hub surface, it is spacing to block into the second hole inslot, utilize second bolt and screw swing joint, it is fixed with it, in avoiding using the rainwater infiltration machine for a long time, cause the damage to internal component.

Description

Fan blade on wind driven generator

Technical Field

The utility model relates to an electric power engineering technical field, more specifically say, the utility model relates to a flabellum on aerogenerator.

Background

The design of blades in a wind driven generator directly influences the conversion efficiency of wind energy and the annual energy production of the wind driven generator, and is an important ring for wind energy utilization.

Patent application publication No. CN 201934254U's utility model discloses a flabellum on aerogenerator, especially a aerogenerator flabellum that is applicable to vertical axis aerogenerator and structural strength is high, and it includes the flabellum body, the flabellum body inboard is provided with deep floor, and one side of this deep floor is provided with the windward hole of evenly arranging.

However, in actual use, the method still has more defects, such as difficult maintenance and easy damage of internal parts in a rainwater section.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a flabellum on aerogenerator, through setting up the blade into three, compare with two leaf wind wheels, the equilibrium when three leaf wind wheels operation is better, the pressure of bringing because of the wind speed flow is very fast has been reduced, make the machine cause the damage, set up the fixture block that the screw utilized wheel hub dustcoat surface on the wheel hub surface, it is spacing to block into the second hole inslot, utilize second bolt and screw swing joint, it is fixed with it, avoid using in the rainwater infiltration machine for a long time, cause the damage to internal element, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fan blade on a wind driven generator comprises a hub, wherein a fixing groove is formed in the surface of the hub, a blade is arranged on one side of the hub, a limiting groove is formed in the hub, a nut is arranged on the inner wall of the blade, a first hole groove is formed in the surface of the blade, a first bolt is arranged on the surface of the hub, a hub outer cover is arranged on one side of the hub, a second hole groove is formed in the surface of the hub, a third hole groove and a fourth hole groove are formed in one side of the hub outer cover, the third hole groove and the fourth hole groove are arranged on the horizontal axis of the hub outer cover in an axial symmetry mode, a clamping block is arranged on one side of the hub outer cover, the clamping block on one side of the hub outer cover is movably spliced with the second hole groove, a screw hole is formed in one side of the hub, a second;

the clamping mechanism comprises an outer cover, wherein a buckle is arranged on the surface of the outer cover, and a spring is arranged inside the buckle.

In a preferred embodiment, the number of the blades is three, and the blades are arranged in a central symmetry manner with respect to a geometric center point of the hub.

In a preferred embodiment, the number of the first bolts is two, and the first bolts are arranged in axial symmetry with respect to a horizontal centerline axis of the hub.

In a preferred embodiment, the first bolt is screwed with the nut through the fixing groove of the hub surface and the first hole groove of the blade surface.

In a preferred embodiment, the second bolt is screwed with the screw hole through the third hole groove.

In a preferred embodiment, the number of the buckles is two, and the buckles are arranged in axial symmetry with respect to a horizontal center line axis of the outer cover.

In a preferred embodiment, the snap extends through the hub shell through the fourth hole.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a blade on wheel hub surface rotates along with the wind direction and generates electricity, and the blade sets up to three, compares with two leaf wind wheels, and the equilibrium when three leaf wind wheels operate is better, has reduced the pressure that brings because of the wind speed flow is very fast, causes the damage to the machine, has set up the screw and through utilizing the fixture block on wheel hub dustcoat surface on wheel hub surface, the card advances the second hole inslot and carries out spacing, utilizes second bolt and screw swing joint, fixes it, avoids long-term use rainwater infiltration machine in, causes the damage to internal component;

2. the utility model discloses set up latch mechanism at wheel hub dustcoat outer wall, including the dustcoat in the latch mechanism, the dustcoat surface sets up the buckle, and the buckle is inside to be set up the spring, utilizes the inside spring of buckle also not easy the pine to fall when the machine operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged view of the position B in fig. 1.

FIG. 4 is a front view of the present invention

Fig. 5 is a schematic view of the blade of the present invention.

The reference signs are: 1 wheel hub, 2 fixed slots, 3 blades, 4 spacing grooves, 5 nuts, 6 first hole grooves, 7 first bolts, 8 wheel hub outer covers, 9 second hole grooves, 10 third hole grooves, 11 fourth hole grooves, 12 clamping blocks, 13 screw holes, 14 second bolts, 15 outer covers, 16 buckles and 17 springs.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model relates to a flabellum on aerogenerator can include wheel hub 1, its characterized in that: the utility model discloses a hub, including wheel hub 1, wheel hub 1's surface, wheel hub 1's one side is equipped with fixed slot 2, one side of wheel hub 1 is equipped with blade 3, wheel hub 1's inside is equipped with spacing groove 4, the inner wall of blade 3 is equipped with nut 5, the surface of blade 3 is equipped with first hole groove 6, wheel hub 1's surface is equipped with first bolt 7, one side of wheel hub 1 is equipped with wheel hub dustcoat 8, wheel hub 1 surface is equipped with second hole groove 9, one side of wheel hub dustcoat 8 is equipped with third hole groove 10 and fourth hole groove 11, and is axisymmetric setting to the central axis about the level of wheel hub dustcoat, one side of wheel hub dustcoat 8 is equipped with fixture block 12, fixture block 12 and the activity of second hole groove 9 of wheel hub dustcoat one side are pegged graft, one side of wheel hub 1 is equipped with screw 13, wheel hub dustcoat 8's inner wall is equipped.

Referring to the attached drawings 1-5 in the specification, the clamping mechanism of the fan blade on the wind driven generator of the embodiment comprises an outer cover 15, a buckle 16 is arranged on the surface of the outer cover 15, and a spring 17 is arranged inside the buckle 16.

Further, the number of the blades 3 is three, and the blades are arranged in a central symmetry manner about the geometric center point of the hub 1.

Further, the number of the first bolts 7 is two, and the first bolts are arranged in axial symmetry with respect to a horizontal center line axis of the hub 1.

Further, the first bolt 7 is screwed with the nut 5 through the fixing groove 2 on the surface of the hub 1 and the first hole groove 6 on the surface of the blade 3.

Further, the second bolt 14 is screwed with the screw hole 13 through the third hole groove 10.

Further, the number of the fixture blocks 12 is two, and the fixture blocks are arranged in axial symmetry with respect to a horizontal center line axis of the hub outer cover 8.

Further, the number of the snap 16 is two, and the snap is arranged in axial symmetry with respect to the horizontal center line axis of the housing 15.

Further, the snap 16 penetrates through the hub outer cover 8 through the fourth hole groove 11.

The implementation scenario is specifically as follows: in actual use, the blade 3 on the surface of the hub 1 rotates along with wind direction to generate electricity, the blade 3 is three, compared with a two-blade wind wheel, the three-blade wind wheel has better balance during operation, the pressure caused by fast flowing of wind speed is reduced, and the damage to a machine is caused, the screw hole 13 is arranged on the surface of the hub 1, the clamping block 12 on the surface of the hub outer cover 8 is utilized to clamp into the second hole groove 9 for limiting, the second bolt 14 is movably connected with the screw hole 13 to fix the screw hole 13, so that the damage to internal elements caused by rainwater permeating into the machine after long-term use is avoided, the clamping mechanism is arranged on the outer wall of the hub outer cover 8, the clamping mechanism comprises an outer cover 15, the surface of the outer cover 15 is provided with a buckle 16, the buckle 16 is internally provided with a spring 17, the buckle 16 on one side of the outer cover is clamped into the fourth hole groove 11, and the buckle 16 can be fixed and is difficult, avoid debris, rainwater infiltration, the life of the machine of improvement, wheel hub dustcoat 8 can protect 1 surperficial blade surface 3 of wheel hub not influenced when bad weather, improves life, has set up dustcoat 15 on wheel hub dustcoat 8 surface, can effectively reduce the wearing and tearing of losing wheel hub dustcoat 8.

In summary, the following steps: the utility model discloses blade 3 through wheel hub 1 surface rotates along with the wind direction and generates electricity in the in-service use, blade 3 sets up to three, compare with two leaf wind wheels, the equilibrium when three leaf wind wheels operate is better, the pressure of bringing because of the wind speed flow is very fast has been reduced, make the machine cause the damage, set up screw 13 on wheel hub 1 surface and utilized 8 surperficial fixture blocks 12 of wheel hub dustcoat, it is spacing to block into second hole inslot 9, utilize second bolt 14 and 13 swing joint of screw, it is fixed with it, in avoiding using rainwater infiltration machine for a long time, cause the damage to internal component.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fan blade on a wind driven generator comprises a hub (1), and is characterized in that: the hub is characterized in that a fixing groove (2) is formed in the surface of the hub (1), a blade (3) is arranged on one side of the hub (1), a limiting groove (4) is formed in the hub (1), a nut (5) is arranged on the inner wall of the blade (3), a first hole groove (6) is formed in the surface of the blade (3), a first bolt (7) is arranged on the surface of the hub (1), a hub outer cover (8) is arranged on one side of the hub (1), a second hole groove (9) is formed in the surface of the hub (1), a third hole groove (10) and a fourth hole groove (11) are formed in one side of the hub outer cover (8), the third hole groove and the fourth hole groove are axially symmetrical to a central axis relative to the horizontal direction of the hub outer cover, a clamping block (12) is arranged on one side of the hub outer cover (8), the clamping block (12) is movably inserted into the second hole groove (9), a screw hole (13) is formed in one side, a second bolt (14) is arranged on the inner wall of the hub outer cover (8), and the hub outer cover (8) is provided with a clamping mechanism;

the clamping mechanism comprises an outer cover (15), a buckle (16) is arranged on the surface of the outer cover (15), and a spring (17) is arranged inside the buckle (16).

2. The fan blade of claim 1, wherein: the number of the blades (3) is three, and the blades are arranged in a centrosymmetric manner about the geometric center point of the hub (1).

3. The fan blade of claim 1, wherein: the number of the first bolts (7) is two, and the first bolts are arranged in an axial symmetry mode relative to a horizontal central axis of the hub (1).

4. The fan blade of claim 1, wherein: the first bolt (7) is in threaded connection with the nut (5) through the fixing groove (2) on the surface of the hub (1) and the first hole groove (6) on the surface of the blade (3).

5. The fan blade of claim 1, wherein: and the second bolt (14) is in threaded connection with the screw hole (13) through the third hole groove (10).

6. The fan blade of claim 1, wherein: the number of the clamping blocks (12) is two, and the clamping blocks are arranged in an axial symmetry mode relative to a horizontal central axis of the hub outer cover (8).

7. The fan blade of claim 1, wherein: the number of the buckles (16) is two, and the buckles are arranged in axial symmetry with respect to the horizontal center line axis of the outer cover (15).

8. The fan blade of claim 1, wherein: the buckle (16) penetrates through the hub outer cover (8) through the fourth hole groove (11).