CN212784915U

CN212784915U - Novel two-point eight MW wind power stator

Info

Publication number: CN212784915U
Application number: CN202021883776.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Shuangling Heavy Industry Co ltd
Current assignee: Jiangsu Shuangling Heavy Industry Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-23
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a novel eight MW wind-powered electricity generation stators in two points, including the stator iron ring, the coil groove has evenly been preset to one side outwards on the stator iron ring, and both sides position all overlaps around the stator iron ring has external fixation frame, twists through the bolt between the external fixation frame of both sides position around the stator iron ring and carries out fixed connection in the stationary blade, and the butt fusion is fixed with limit slider on the external fixation frame inside wall, and limit slider stretches into on the stator iron ring outside preset with the coil groove form swing joint in the staggered limit chute mutually, all weld on the inside wall of both ends position around the external fixation frame have to prevent the limit structure of displacement to both ends around the stator iron ring. The stator coil is wound in the coil slot, and compared with the conventional coil slot on the inner side, the notch position of the coil slot does not generate contact friction when the rotor rotates. The utility model discloses the structure sets up ingeniously, and is rationally distributed, and this stator installation convenient to use, excellent in use effect is more stable during the use.

Description

Novel two-point eight MW wind power stator

Technical Field

The utility model relates to an electrical equipment technical field specifically is a novel eight MW wind-powered electricity generation stators of two points.

Background

The stator is the stationary part of the motor or generator. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current. Be applied to aerogenerator's stator at present, because whole wind-powered electricity generation volume is great, consequently the stator volume is also great, and the stator coil is put into from the stator inboard with ordinary motor is the same, and the notch position of coil storage tank pastes because the rotation of rotor pastes mutually and produces wearing and tearing to the surface of rotor easily, is unfavorable for the long-term use of rotor. Therefore, a novel two-point eight MW wind power stator is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel eight MW wind-powered electricity generation stators of two points to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel eight MW wind-powered electricity generation stators in two points, includes the stator iron ring, the coil groove has evenly been preset to one side outwards on the stator iron ring, and both sides position all overlaps around the stator iron ring has the external fixation frame, carries out fixed connection through the bolt twists in the stationary blade between the external fixation frame of both sides position around the stator iron ring outside, and the butt fusion is fixed with spacing slider on the external fixation frame inside wall, and spacing slider stretches into on the stator iron ring outside preset with coil groove staggered's spacing spout form swing joint in, all weld on the inside wall of both ends position around the external fixation frame have to support to prevent the limit structure of displacement to both ends around the stator iron ring.

Stator coil wire winding to coil inslot compares in the inboard with current coil groove, and the notch position of coil groove can not produce the contact friction when rotating the rotor to the condition that the rotor surface rubbed out the ditch mark can not appear, and then has avoided the damaged condition of friction that produces the rotor coil to take place, has guaranteed wind-powered electricity generation machine's normal use.

As a further aspect of the present invention: the limiting sliding block comprises a sliding block located in a limiting sliding groove and a connecting block penetrating through the limiting sliding groove to connect the sliding block with the outer fixing frame, the front end and the rear end of the sliding block extend out of the limiting sliding groove, extending plates are welded to the front end and the rear end of the sliding block outside the limiting sliding groove respectively, and the extending plates are used for being bent after installation is finished, so that the two ends of the stator iron ring are limited and fixed.

As a further aspect of the present invention: the length of extension board > the width of spacing spout, it is fixed to ensure to accomplish the butt of stator iron ring.

As a further aspect of the present invention: the extension plate is made of aluminum alloy, has high strength and light weight, and is easy to bend.

As a further aspect of the present invention: spacing structure includes the fixed block of welded fastening on the external fixation frame inside wall, and the top position of keeping away from stator iron ring one side on the fixed block presets the groove that ends, and it has the ball groove to reserve on the inner wall of groove to end, and the ball inslot is filled with the steel ball, the fixed block is close to stator iron ring one side and is equipped with the buffer board, and spot welding is fixed with the spliced pole on the fixed plate of a body coupling on the buffer board, and in the spliced pole part stretched into the predetermined cavity in the fixed block, cavity oral area position suit was fixed with the sealed piece that supports to the spliced pole, and spliced pole tip spot welding in the cavity is fixed with the spring that.

As a further aspect of the present invention: the cavity is filled with non-Newtonian fluid, so that the buffering capacity is increased.

Compared with the prior art, the utility model has the advantages of following several aspects:

the utility model discloses in, stator coil wire winding to coil inslot compares in the inboard with current coil groove, and the notch position of coil groove can not produce the contact friction when rotating the rotor to the condition of rotor surface friction play groove mark can not appear, and then has avoided the friction damaged condition that the rotor coil produced to take place, has guaranteed wind-powered electricity generation machine's normal use.

The utility model discloses in, traditional stator is through gluing agent or bolt snap-on in motor housing, and this stator carries out indirect fixation through the external fixation frame, can avoid the structural damage that causes the stator to a certain extent during fixed, sets up the limit structure to the stator in the external fixation frame simultaneously, keeps the spacing buffering of elasticity to the stator, further is favorable to avoiding the damage of stator iron ring.

The utility model discloses in, this stator installation convenient to use, excellent in use effect is more stable during the use.

Drawings

Fig. 1 is a front view of a novel two-point eight MW wind power stator.

Fig. 2 is a schematic diagram of a local structure of a limiting slide block in a novel two-point eight MW wind power stator.

FIG. 3 is a side view of a novel two-point eight MW wind power stator.

Fig. 4 is a schematic structural diagram of a novel two-point eight MW wind power stator middle limiting structure.

In the figure: 1. a stator iron ring; 2. a coil slot; 3. a fixing sheet; 4. an outer fixed frame; 5. a limiting chute; 6. a limiting slide block; 7. a slider; 8. connecting blocks; 9. a stretching plate; 10. a limiting structure; 11. a fixed block; 12. a concave cavity; 13. a sealing block; 14. a fixing plate; 15. a buffer plate; 16. connecting columns; 17. a stop groove; 18. steel balls; 19. a ball groove; 20. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a novel two-point eight MW wind power stator comprises a stator iron ring 1, wherein coil slots 2 are uniformly pre-arranged on one side of the stator iron ring 1 facing the outside, outer fixed frames 4 are respectively sleeved on the front side and the rear side of the outside of the stator iron ring 1, the outer fixed frames 4 on the front side and the rear side of the outside of the stator iron ring 1 are fixedly connected by being screwed into a fixed plate 3 through bolts, a limit slider 6 is fixedly welded on the inner side wall of the outer fixed frame 4, and the limit slider 6 extends into a limit chute 5 which is pre-arranged on the outside of the stator iron ring 1 and staggered with the coil slots 2 to form a movable connection;

the limiting slide block 6 comprises a slide block 7 positioned in the limiting slide groove 5 and a connecting block 8 which penetrates through the limiting slide groove 5 to connect the slide block 7 with the outer fixing frame 4, the front end part and the rear end part of the slide block 7 extend out of the limiting slide groove 5, the front end and the rear end of the slide block 7 outside the limiting slide groove 5 are respectively welded with an extension plate 9, the length of the extension plate 9 is larger than the width of the limiting slide groove 5, and the extension plate 9 is made of aluminum alloy;

the inner side walls of the front end and the rear end of the outer fixing frame 4 are welded with limiting structures 10 which are abutted against the front end and the rear end of the stator iron ring 1 to prevent displacement, each limiting structure 10 comprises a fixed block 11 which is welded and fixed on the inner side wall of the outer fixing frame 4, a stopping groove 17 is preset at the top position of one side, far away from the stator iron ring 1, of the fixed block 11, a ball groove 19 is preset on the inner wall of the stopping groove 17, a steel ball 18 is plugged in the ball groove 19, fixed block 11 is close to 1 one side of stator iron ring and is equipped with buffer board 15, and spot welding is fixed with spliced pole 16 on buffer board 15 goes up the fixed plate 14 of body coupling, and spliced pole 16 part stretches into in the fixed block 11

predetermined cavity

12, and 12 oral area position suits of cavity are fixed with the sealed piece 13 to spliced

pole

16, and 16 tip spot welding of spliced pole in the cavity 12 are fixed with the spring 20 to the 12 inner walls of cavity, and cavity 12 intussuseption is filled with non-Newton's fluid.

The utility model discloses a theory of operation is: the utility model provides a novel two-point eight MW wind power stator, the structure is ingenious to set up, and the layout is reasonable, when in use, the external fixation frame 4 is fixed on the inner wall of the wind power shell through the bolt, the stator coil is placed in the coil slot 2, then the limit sliding slot 5 of the stator iron ring 1 is aligned with the limit sliding block 6 of the external fixation frame 4, after winding, the extension plate 9 is sleeved with each other to form a sliding connection for fixation, then the extension plate 9 is bent to be attached to the surface of the stator iron ring 1, then the fixed block 11 of the limit structure 10 is welded on the inner side walls of the front end and the rear end of the external fixation frame 4, and the buffer plate 15 is kept to abut against the stator iron ring 1, compared with the existing coil slot, the notch position of the coil slot can not generate contact friction when the rotor rotates, thereby the condition that the surface of the rotor rubs out the groove mark can not occur, the normal use of wind power generation machine has been guaranteed, simultaneously when whole wind turbine generator system receives abnormal conditions such as strong wind earthquake to produce the vibration, the vibration transmission of stator iron ring 1 is to buffer board 15 on, and then transmits to spliced pole 16 on, spliced pole 16 receives spring 20 and non-Newton fluidic buffering to unload the power in cavity 12 to reduce whole wind turbine generator system's synchronous vibration volume, be favorable to ensureing wind turbine generator system safety.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a novel eight MW wind-powered electricity generation stators in two points, includes stator iron ring (1), its characterized in that, go to outer one side evenly to preset coil groove (2) on stator iron ring (1), stator iron ring (1) is outer around both sides position all overlap there is external fixation frame (4), twist through the bolt between external fixation frame (4) of both sides position around stator iron ring (1) is outer and carry out fixed connection in stationary blade (3), the butt fusion is fixed with spacing slider (6) on external fixation frame (4) inside wall, spacing slider (6) stretch into stator iron ring (1) go up the outside preset with coil groove (2) staggered spacing spout (5) form swing joint in, it has limit structure (10) that prevent the displacement to both ends around stator iron ring (1) to all weld on the inside wall of both ends position around external fixation frame (4).

2. The novel two-point eight MW wind power stator according to claim 1, wherein the limiting sliding block (6) comprises a sliding block (7) located in the limiting sliding groove (5) and a connecting block (8) passing through the limiting sliding groove (5) and connecting the sliding block (7) with the outer fixing frame (4), the front end and the rear end of the sliding block (7) extend out of the limiting sliding groove (5), and extension plates (9) are respectively welded at the front end and the rear end of the sliding block (7) on the outer side of the limiting sliding groove (5).

3. A novel two-point eight MW wind power stator according to claim 2, characterized in that the length of the extension plate (9) is larger than the width of the limit runner (5).

4. A new two-point eight MW wind power stator according to claim 3, characterized in that the extension plates (9) are made of aluminum alloy.

5. The novel two-point eight MW wind power stator according to claim 1, the limiting structure (10) comprises a fixed block (11) welded and fixed on the inner side wall of the outer fixed frame (4), a stop groove (17) is preset at the top position of one side, far away from the stator iron ring (1), of the fixed block (11), a ball groove (19) is preset on the inner wall of the stop groove (17), a steel ball (18) is plugged in the ball groove (19), fixed block (11) are close to stator iron ring (1) one side and are equipped with buffer board (15), and spot welding is fixed with spliced pole (16) on fixed plate (14) of body coupling on buffer board (15), and spliced pole (16) part stretches into in fixed block (11) predetermined cavity (12), and cavity (12) oral area position suit is fixed with sealed piece (13) to spliced pole (16), and spliced pole (16) tip spot welding in cavity (12) is fixed with spring (20) to cavity (12) inner wall.

6. A novel two-point eight MW wind power stator according to claim 5, characterized in that the cavity (12) is filled with non-Newtonian fluid.