CN215772682U

CN215772682U - Direct-drive wind driven generator stator piece

Info

Publication number: CN215772682U
Application number: CN202121325888.8U
Authority: CN
Inventors: 李军
Original assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Current assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-02-08
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a direct-drive wind driven generator stator piece, which comprises a stator piece body; a round opening is formed in the center of the stator piece body, and a plurality of first mounting holes which are uniformly distributed are formed in the outer end edge of the round opening around the circumference; a plurality of second mounting holes which are uniformly distributed are formed on the outer end edge of the stator sheet body around the circumference; a plurality of arc-shaped holes which are uniformly distributed around the circumference are also arranged between the outer end edge of the stator sheet body and the outer end edge of the round opening, a first round shaft ring, a second round shaft ring and a third round shaft ring are also arranged between the outer end edge of the stator sheet body and the outer end edge of the round opening from outside to inside, a plurality of third mounting holes are uniformly distributed on the first round shaft ring at intervals, and a plurality of fourth mounting holes are uniformly distributed on the second round shaft ring at intervals; the utility model can improve the processing precision and reduce the production strength, and can further improve the positioning precision and the installation precision.

Description

Direct-drive wind driven generator stator piece

Technical Field

The utility model relates to the field of wind driven generators, in particular to a direct-drive wind driven generator stator piece.

Background

Wind energy is a high-quality, clean, renewable and abundant energy source. The wind energy is used for generating electricity, so that the environment can be protected from being polluted, and the health of human beings and the life on the earth can be prevented from being adversely affected. Because the stator of the wind driven generator is large, the conventional processing of the stator sheet of the wind driven generator is realized by front and back processing, and a special fixture tool is not provided, so that the stress is too large during the processing of the stator sheet, and the precision cannot reach the standard; meanwhile, during machining, the workpiece is not turned over, and all machined surfaces of the front side and the back side cannot be finished at one time, so that the labor intensity is improved, and the precision of the workpiece is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a direct-drive wind driven generator stator piece.

A direct-drive wind driven generator stator piece comprises a stator piece body; a round opening is formed in the center of the stator piece body, and a plurality of first mounting holes which are uniformly distributed are formed in the outer end edge of the round opening around the circumference; a plurality of second mounting holes which are uniformly distributed are formed on the outer end edge of the stator sheet body around the circumference; a plurality of arc-shaped holes which are uniformly distributed around the circumference are further formed between the outer end edge and the outer end edge of the circular opening of the stator piece body, a first circular shaft ring, a second circular shaft ring and a third circular shaft ring are further arranged from outside to inside between the outer end edge and the outer end edge of the circular opening of the stator piece body, a plurality of third mounting holes are uniformly distributed on the first circular shaft ring at intervals, and a plurality of fourth mounting holes are uniformly distributed on the second circular shaft ring at intervals.

In a preferred embodiment of the present invention, the arc-shaped hole is located between the first circular shaft ring and the third circular shaft ring.

In a preferred embodiment of the present invention, the top of the round opening is formed with a positioning protrusion.

According to a preferable scheme of the utility model, the fourth mounting holes are distributed between adjacent arc-shaped holes.

According to a preferable scheme of the utility model, the stator piece body, the round opening, the first round shaft ring, the second round shaft ring and the third round shaft ring are concentric.

According to a preferable scheme of the utility model, two positioning areas are further arranged between the first circular shaft ring and the third circular shaft ring, and the positioning areas are bilaterally symmetrical relative to the positioning protrusions.

According to a preferred embodiment of the present invention, the positioning area includes a main positioning hole and two auxiliary positioning holes, the main positioning hole is located between the first circular shaft ring and the second circular shaft ring, and the two auxiliary positioning holes are located between the second circular shaft ring and the third circular shaft ring.

The utility model has the beneficial effects that: the blanking of the stator piece is completed at one time, and all machining on the stator piece can be completed on one side, so that the machining precision is improved, the production strength is reduced, and the positioning precision and the mounting precision are further improved.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of the present invention:

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of the positioning area;

wherein: stator piece body 1, second round axle circle 2, first round axle circle 3, second mounting hole 4, third mounting hole 5, fourth mounting hole 6, arc hole 7, round mouth 8, first mounting hole 9, third round axle circle 10, location arch 11, main locating hole 12, supplementary locating hole 13.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other, the fixed connection can be welding, gluing and the like, and the specific meaning of the terms in the utility model can be understood by those skilled in the art according to specific situations.

A direct-drive wind power generator stator plate as shown in fig. 1 and 2, comprising a stator plate body 1; the center of the stator piece body 1 is provided with a round opening 8, and the outer end edge of the round opening 8 is provided with a plurality of first mounting holes 9 which are uniformly distributed around the circumference; a plurality of second mounting holes 4 which are uniformly distributed are formed at the outer end edge of the stator sheet body 1 around the circumference; most of the existing stators are formed by installing stator sheets on an iron core, and the first installation holes 9 and the second installation holes 4 are arranged for fastening the stator sheets and the iron core and enhancing the binding force.

A plurality of arc-shaped holes 7 which are uniformly distributed around the circumference are also arranged between the outer end edge of the stator sheet body 1 and the outer end edge of the round opening 8, and a first round shaft ring 3, a second round shaft ring 2 and a third round shaft ring 10 are also arranged between the outer end edge of the stator sheet body 1 and the outer end edge of the round opening 8 from outside to inside; set up first circle collar 3, second circle collar 2 and third circle collar 10, and guarantee stator piece body 1, round mouth 8, first circle collar 3, second circle collar 2 and third circle collar 10 concentricity, be for the convenience of processing man-hour at the stator piece, each mounting hole of location and each locating hole, and then with this improvement machining precision.

A plurality of third mounting holes 5 are uniformly distributed on the first circular shaft ring 3 at intervals, and a plurality of fourth mounting holes 6 are uniformly distributed on the second circular shaft ring 2 at intervals; in a similar way, the third mounting hole 5 and the fourth mounting hole 6 are arranged for balancing stress when the stator piece is connected with the iron core, and each mounting hole is only needed to be completed on one side without being turned over for additional machining, so that the labor intensity is reduced, and meanwhile, the machining precision is improved.

The arc-shaped hole 7 is positioned between the first circular shaft ring 3 and the third circular shaft ring 10; the arc-shaped holes 7 are arranged, so that the efficiency of wind power generation is improved, the arc-shaped holes 7 need to be set to be larger, but the overall rigidity of the stator piece is ensured, the arc-shaped holes 7 are ensured to be positioned between the first circular shaft ring 3 and the third circular shaft ring 10, and the power generation efficiency can be ensured while the rigidity of the stator piece is maintained.

As shown in fig. 3, a positioning protrusion 11 is formed on the top of the round mouth 8, and the positioning protrusion 11 can facilitate the mounting of the stator piece on the iron core.

The fourth mounting holes 6 are distributed between the adjacent arc-shaped holes 7, so that the stress balance of the middle of the stator piece can be ensured, and the mounting precision is improved.

As shown in fig. 4, two positioning areas are further arranged between the first circular shaft ring 3 and the third circular shaft ring 10, and the positioning areas are bilaterally symmetrical with respect to the positioning protrusion 11; set up the locating area, and the locating area includes a main locating hole 12 and two auxiliary locating holes 13, main locating hole 12 is located between first circle pedestal collar 3 and second circle pedestal collar 2, two auxiliary locating holes 13 are located between second circle pedestal collar 2 and third circle pedestal collar 10, and then can make stator piece and iron core location back, the main locating hole 12 and the auxiliary locating hole 13 of rethread locating area further fix a position stator piece and iron core accurately and stably, be convenient for later be connected with the iron core with the bolt twist mounting hole.

In light of the above, it is clear that many changes and modifications can be made by the workers in the field without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A direct-drive wind driven generator stator piece comprises a stator piece body (1); the method is characterized in that: the center of the stator piece body (1) is provided with a round opening (8), and the outer end edge of the round opening (8) is provided with a plurality of first mounting holes (9) which are uniformly distributed around the circumference; a plurality of second mounting holes (4) which are uniformly distributed are formed in the outer end edge of the stator sheet body (1) around the circumference; still be equipped with a plurality of arc holes (7) around circumference evenly distributed between stator piece body (1) outer end limit and round mouth (8) outer end limit, and still be equipped with first round axle circle (3), second round axle circle (2) and third round axle circle (10) from outer toward interior between stator piece body (1) outer end limit and round mouth (8) outer end limit, evenly spaced distribution has a plurality of third mounting holes (5) on first round axle circle (3), evenly spaced distribution has a plurality of fourth mounting holes (6) on second round axle circle (2).

2. The stator plate of the direct-drive wind driven generator according to claim 1, wherein: the arc-shaped hole (7) is positioned between the first circular shaft ring (3) and the third circular shaft ring (10).

3. The stator plate of the direct-drive wind driven generator according to claim 1, wherein: the top of the round mouth (8) is provided with a positioning bulge (11).

4. The stator plate of the direct-drive wind driven generator according to claim 1, wherein: the fourth mounting holes (6) are distributed between the adjacent arc-shaped holes (7).

5. The stator plate of the direct-drive wind driven generator according to claim 1, wherein: the stator piece is characterized in that the stator piece body (1), the round opening (8), the first round shaft ring (3), the second round shaft ring (2) and the third round shaft ring (10) are concentric.

6. The stator plate of the direct-drive wind driven generator according to claim 1, wherein: two positioning areas are further arranged between the first circular shaft ring (3) and the third circular shaft ring (10), and the positioning areas are bilaterally symmetrical about the positioning protrusions (11).

7. The stator plate of the direct-drive wind driven generator according to claim 6, wherein: the positioning area comprises a main positioning hole (12) and two auxiliary positioning holes (13), the main positioning hole (12) is located between the first circular shaft ring (3) and the second circular shaft ring (2), and the two auxiliary positioning holes (13) are located between the second circular shaft ring (2) and the third circular shaft ring (10).