CN211930392U

CN211930392U - End cover structure of wind driven generator

Info

Publication number: CN211930392U
Application number: CN202020805616.7U
Authority: CN
Inventors: 昌宪治
Original assignee: Jiangsu Wanshun New Energy Technology Co ltd
Current assignee: Jiangsu Wanshun New Energy Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-13
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to an aerogenerator technical field, concretely relates to aerogenerator end cover structure, including the fixed disk, the coaxial bulge that is equipped with on the fixed disk is equipped with the pivot mounting hole on the bulge, and the bulge simultaneously is equipped with bearing mounting groove, cooling bath, and the coaxial dismantlement is connected with sealed lid on the bulge, seals to be equipped with water inlet, the delivery port with the cooling bath intercommunication on the lid, and sealed lid terminal surface offsets and offsets the face and have the liquid seal state with the bulge terminal surface. The utility model has the advantages that: carry the coolant liquid in the outside water tank to the cooling bath by the water inlet through outside water pump to flow by the delivery port, thereby form the coolant liquid at the cooling bath inner loop, and then absorb the heat of bearing during operation, improved the radiating efficiency of bearing to a certain extent at least, improved the lubricated life-span of bearing and the life of roller, the setting of sealed lid has reduced in outside foreign matter gets into the bearing in addition.

Description

End cover structure of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field, concretely relates to aerogenerator end cover structure.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.

When the wind driven generator with the generated energy of megawatt works, the rotating speed of the rotor on the generator is high, so that the heat generated by the bearing on the rotor is increased, the lubricating performance of the bearing is deteriorated when the heat is accumulated for a long time, and the service life of the bearing roller is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a aerogenerator end cover structure, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the utility model provides a aerogenerator end cover structure, is including installing the fixed disk on the generator housing, the coaxial bulge that is equipped with on the fixed disk, be equipped with the pivot mounting hole that supplies generator rotor's pivot to pass through freely, the through-hole form on the bulge, the bulge is the coaxial bearing mounting groove that is equipped with intercommunication pivot mounting hole, blind hole form to the fixed disk one side, the bulge still is equipped with annular, sunken cooling bath back to the fixed disk one side, coaxial detachable is connected with sealed lid on the bulge, sealed covering be equipped with water inlet, the delivery port with the cooling bath intercommunication, sealed lid terminal surface offsets and offsets with the bulge terminal surface and has liquid seal state.

As a further optimization of the above technical solution, an annular sealing ring is provided on the sealing cover, and a sealing ring mounting groove for mounting the annular sealing ring is provided on the corresponding protrusion.

As a further optimization of the above technical solution, a portion of the protruding portion located between the bearing mounting groove and the cooling groove extends to an axial outer side of the protruding portion, and the corresponding sealing cover is provided with a blind hole for clamping the protruding portion extending portion.

As a further optimization of the above technical solution, a plurality of heat dissipation fins are arranged on the circumferential surface of the protruding portion along the axial direction thereof.

As a further refinement of the solution described above, the sealing cap is screwed onto the projection.

The utility model has the advantages that: carry the coolant liquid in the outside water tank to the cooling bath by the water inlet through outside water pump to flow by the delivery port, thereby form the coolant liquid at the cooling bath inner loop, and then absorb the heat of bearing during operation, improved the radiating efficiency of bearing to a certain extent at least, improved the lubricated life-span of bearing and the life of roller, the setting of sealed lid has reduced in outside foreign matter gets into the bearing in addition.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the perspective structure of FIG. 1;

FIG. 3 is an exploded view of the perspective structure of FIG. 1;

FIG. 4 is a schematic front view of the three-dimensional structure of FIG. 1;

the reference numerals are explained below:

1-fixed disc, 2-radiating fin, 3-annular sealing ring, 4-cooling groove, 5-bearing mounting groove, 6-rotating shaft mounting hole, 7-bulge, 8-blind hole, 9-water inlet, 10-sealing cover, 11-water outlet and 12-sealing ring mounting groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1-4 show an end cover structure of a wind power generator, which includes a fixed disk 1 mounted on a generator housing, a protruding portion 7 is coaxially disposed on the fixed disk 1, a through-hole type rotating shaft mounting hole 6 is disposed on the protruding portion 7 for a rotating shaft of a generator rotor to freely pass through, a blind hole type bearing mounting groove 5 communicated with the rotating shaft mounting hole 6 is coaxially disposed on a side of the protruding portion 7 opposite to the fixed disk 1, an annular and concave cooling groove 4 is further disposed on a side of the protruding portion 7 opposite to the fixed disk 1, a sealing cover 10 is coaxially screwed on the protruding portion 7, a water inlet 9 and a water outlet 11 communicated with the cooling groove 4 are disposed on the sealing cover 10, an end face of the sealing cover 10 abuts against an end face of the protruding portion 7, and the abutting face has a liquid sealing state, specifically, an annular sealing ring 3 is disposed on the sealing, and correspondingly, a sealing ring mounting groove 12 for mounting the annular sealing ring 3 is formed in the bulge part 7, and the bulge part 7 and the sealing cover 10 are in a liquid sealing state in an abutting surface by arranging the annular sealing ring 3.

The part of bulge 7 between bearing mounting groove 5 and cooling bath 4 extends to the axial outside of bulge 7, and it is corresponding be equipped with the blind hole 8 that supplies bulge 7 to extend the part block on the sealed lid 10, make sealed lid 10 and bulge 7 installation back have better axiality like this.

The circumferential surface of the protruding part 7 is provided with a plurality of radiating fins 2 along the axial array, so that heat on the protruding part 7 can be conveniently radiated.

The utility model discloses when using: when the fixed disk is installed, at first wear out the pivot of the rotor on the outside generator by the pivot mounting hole, assemble the bearing in the pivot again, install the bearing in the bearing mounting groove simultaneously, pass through the mounting screw with sealed lid on the bulge again, because ring packing's setting, make bulge terminal surface and sealed terminal surface of covering have a encapsulated situation, outside water pump leads to pipe and stores the outside cooling water in the water tank of cooling water and carries to the cooling bath via the water inlet this moment, the cooling water flows in the cooling bath, absorb the heat that produces with the high-speed rotation of bearing via the heat transfer effect, the cooling water of cooling bath discharges into outside water tank via the delivery port simultaneously, thereby form the circulation state in the cooling bath, and then continuously absorb the heat of bearing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An end cover structure of a wind driven generator is characterized by comprising a fixed disc (1) arranged on a generator shell, a convex part (7) is coaxially arranged on the fixed disk (1), a through hole type rotating shaft mounting hole (6) for a rotating shaft of the generator rotor to freely pass through is arranged on the convex part (7), a blind hole type bearing installation groove (5) communicated with the rotating shaft installation hole (6) is coaxially arranged on one surface of the convex part (7) back to the fixed disc (1), an annular and concave cooling groove (4) is also arranged on one surface of the convex part (7) back to the fixed disk (1), the convex part (7) is coaxially and detachably connected with a sealing cover (10), the sealing cover (10) is provided with a water inlet (9) and a water outlet (11) which are communicated with the cooling tank (4), the end face of the sealing cover (10) is abutted against the end face of the protruding part (7), and the abutting face is in a liquid sealing state.

2. The end cover structure of the wind driven generator as claimed in claim 1, wherein the sealing cover (10) is provided with an annular sealing ring (3), and the corresponding protrusion (7) is provided with a sealing ring mounting groove (12) for mounting the annular sealing ring (3).

3. The end cover structure of the wind driven generator as claimed in claim 1, wherein the part of the protrusion (7) between the bearing installation groove (5) and the cooling groove (4) extends to the axial outer side of the protrusion (7), and the corresponding sealing cover (10) is provided with a blind hole for clamping the extending part of the protrusion (7).

4. A wind turbine end cover structure according to claim 1, wherein a plurality of heat radiating fins (2) are provided on the circumferential surface of the protrusion (7) in an axial array thereof.

5. End cover construction for a wind turbine according to claim 1, characterised in that the sealing cover (10) is screwed to the protrusion (7).