CN218162051U

CN218162051U - Generator vibration damper, generator and wind power generation equipment

Info

Publication number: CN218162051U
Application number: CN202220177818.0U
Authority: CN
Inventors: 李宗平; 蒋振旺; 蒋伟; 刘明
Original assignee: Shandong Tuobo Energy Saving Technology Co ltd
Current assignee: Shandong Tuobo Energy Saving Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-12-27
Anticipated expiration: 2032-01-21

Abstract

The utility model provides a generator vibration damper, generator and wind power generation equipment relates to wind power generation equipment technical field, and the scheme of adoption is: the vibration damping device comprises a base, wherein a shell is arranged on the base, the shell is of an annular structure, at least three vibration damping pieces are arranged on the shell along the circumferential direction of the shell, the telescopic direction of the vibration damping pieces is along the radial direction of the shell, each vibration damping piece comprises a telescopic end, the telescopic end extends out of the inner circular surface of the shell, a ball hinge is arranged at the telescopic end, and a vibration guide plate is arranged on the ball hinge. The utility model discloses can attenuate the vibration of a plurality of directions of generator body and a plurality of position, reduce the transmission of vibration, avoid resonating, reduce the generator to wind power equipment's influence, prolong its life.

Description

Generator vibration damper, generator and wind power generation equipment

Technical Field

The utility model relates to a wind power generation equipment technical field especially relates to a generator vibration damper, generator and wind power generation equipment.

Background

The power of the wind power generation equipment is continuously increased, the vibration problem of a generator of the wind power generation equipment is also continuously solved, the generator is positioned behind the wind power generation equipment, large vibration is generated during transmission due to the stress of a transmission system, the vibration is transmitted to the generator through a rotor shaft, a shell and other components, so that the internal structure of the generator generates vibration, and when the internal component and the external component of the generator generate resonance, the generator is easily damaged; for reducing the influence of vibration to the generator body, often set up vibration damper in generator body bottom, but generator body inner structure is numerous, and the vibration often is a plurality of directions and a plurality of position to the vibration of generator body is also inhomogeneous, and current vibration damper effect is not good, still influences wind power generation equipment's life.

Therefore, in view of the current situation of the prior art, it is an urgent problem to develop a generator vibration damping device.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the above-mentioned prior art, the utility model provides a generator vibration damper can attenuate the vibration of a plurality of positions of a plurality of directions of generator body, reduces the transmission of vibration, avoids resonating, reduces the influence of generator body to wind power equipment, prolongs its life.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a generator vibration damper, includes the base, be provided with the casing on the base, the casing is annular structure, be provided with at least three damping piece along its circumference on the casing, the flexible direction of damping piece is followed the radial of casing, damping piece includes flexible end, flexible end stretches out disc in the casing, flexible end is provided with the ball hinge, be provided with on the ball hinge and lead the board that shakes. The generator body is installed inside the annular shell, and the vibration guide plate is matched with the clamping generator body, and absorbs the vibration of the generator body through the vibration damping piece, so that the vibration damping effect can be achieved on the vibration of the generator body in multiple directions and multiple positions, the vibration transmission is reduced, the resonance is avoided, and the service life of the wind power generation equipment is prolonged.

Further, the vibration guide plate is of an arc-shaped structure. Can make the installation of generator body more stable at the better laminating generator body of circumference to can absorb its vibration of more directions.

Furthermore, the two sides of the base are respectively provided with a damping sleeve, the damping sleeves are made of rubber materials, a supporting rod is arranged in each damping sleeve, and the supporting rod is connected with the shell. Vibration transmission between the generator body and the external environment can be blocked through the vibration reduction tube, and resonance is further avoided.

Furthermore, the front end and the rear end of the base are both provided with a generator supporting plate, and a supporting plate is arranged on the generator supporting plate. The generator body can be reliably supported.

Further, the generator supporting plate is connected with the supporting plate through a second spring damper. The vibration reduction can be realized for the two ends of the generator body.

Furthermore, the damping piece is a hydraulic cylinder, the hydraulic cylinder is communicated with a hydraulic station through an oil way, the hydraulic station is arranged on the base, a pressure regulating valve is arranged on the hydraulic station, and a pressure gauge is arranged on the pressure regulating valve. The larger the power of the generator is, the larger the vibration is, the larger the pressure provided by the vibration damping piece is, the working pressure of the vibration damping piece can be uniformly adjusted through the pressure adjusting valve, and the generator vibration damping device is suitable for the vibration damping of generators with different powers.

Further, a rubber pad is arranged below the base. The conduction of vibration between the generator body and the external environment can be avoided.

The utility model also provides a generator, including foretell generator vibration damper and generator body, the casing encircles generator body, lead the board that shakes with the supporting board all with generator body's surface laminating. The vibration reduction device has the beneficial effect of small vibration and does not affect other components in the external environment.

The utility model also provides a wind power generation equipment, including foretell generator and cabin, the generator is fixed in the cabin cavity. The generator of the wind power generation equipment has small vibration and the wind power generation equipment has long service life.

According to the technical scheme, the utility model has the advantages of it is following:

the scheme provides a generator vibration damping device, a generator and wind power generation equipment, and the generator vibration damping device, the generator and the wind power generation equipment can damp vibration of a plurality of positions and directions of a generator body by arranging the shell, the vibration damping piece, the ball hinge and the vibration guide plate, and have a good vibration damping effect; the vibration damping sleeve and the rubber pad are arranged on the base, so that vibration transmission between the generator body and the external environment can be avoided, resonance is avoided, and mutual vibration influence is reduced; the vibration of the two ends of the motor body can be reduced through the motor supporting plate, the supporting plate and the spring vibration absorber; the working pressure of the vibration damping piece can be adjusted through the pressure adjusting valve and the hydraulic station, and the vibration damping device has a vibration damping effect on generator bodies with different powers.

Drawings

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

Fig. 1 is a first schematic structural diagram of a first embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a first embodiment of the present invention

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a second schematic structural diagram according to a second embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a fifth embodiment of the present invention.

In the figure, the vibration-damping device comprises a base 1, a base 2, a vibration-damping sleeve 3, a thread bush 4, a support rod 5, a shell 6, a hydraulic cylinder 7, a fixing plate 8, a ball hinge 9, a vibration-guiding plate 10, a generator body 11, a rubber pad 12, a generator support plate 13, a spring vibration damper II 14, a support supporting plate 15, a pressure regulating valve 16, a hydraulic station 17, a cabin 18, a pressure gauge 19 and a spring vibration damper I.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present embodiment, and obviously, the embodiments described below are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the detailed description given herein without any creative effort shall fall within the scope of protection of the present patent.

Detailed description of the invention

As shown in fig. 1 and fig. 2, the utility model provides a generator damping device, which comprises a base 1, a shell 5, a damping member and a generator support plate 12. The base 1 is provided with a shell 5, the shell 5 is of an annular structure, the shell 5 is uniformly provided with three vibration damping parts along the circumferential direction of the shell, each vibration damping part is a first spring vibration damper 19, the telescopic direction of the first spring vibration damper 19 is along the radial direction of the shell 5, the fixed end of the first spring vibration damper 19 is fixed on the shell 5 through a fixing plate 7, the telescopic end of the first spring vibration damper 19 extends out of the inner circular surface of the shell 5, namely is positioned in the annular inner part of the shell 1, the telescopic end is provided with a ball hinge, and the telescopic end is rotatably connected with a ball head of the ball hinge 8; a rotating shaft of the spherical hinge 8 is provided with a vibration guide plate 9, the vibration guide plate 9 is of an arc-shaped structure, a central angle corresponding to the vibration guide plate 9 is 90 degrees, and the vibration guide plate can be better attached to a generator body 10 in a larger area to guide vibration at a plurality of positions; the vibration reduction device is characterized in that vibration reduction sleeves 2 are respectively arranged on two sides of a base 1, the vibration reduction sleeves 2 are made of rubber materials, threaded sleeves 3 are arranged in the vibration reduction sleeves 2, supporting rods 4 are arranged in the threaded sleeves 3, the supporting rods 4 are provided with threads, the supporting rods 4 are detachably connected with mounting holes in two sides of a shell 5, generator supporting plates 12 are arranged at the front end and the rear end of the base 1 respectively, the generator supporting plates 12 are located below corresponding ends of a generator body 10, supporting plates 14 are arranged on the generator supporting plates 12, the supporting plates 14 are also of arc-shaped structures and can be in contact with the generator body 10 in a larger area, and better supporting and vibration reduction are achieved; the generator support plate 12 is connected with the support supporting plate 14 through the second spring damper 13, the rubber pad 11 is arranged below the base 1, and vibration transmission can be reduced through the base 1 to avoid resonance of the generator body 10 and an external environment.

Detailed description of the invention

As shown in fig. 3 to 5, the structure of the present embodiment is substantially the same as that of the first embodiment, except that in the present embodiment, the damping member employs a hydraulic cylinder 6, the cylinder body of the hydraulic cylinder 6 is fixed on the housing 5 through a fixing plate 7, the piston rod of the hydraulic cylinder 6 extends out of the inner circular surface of the housing 5, the end of the piston rod is rotatably connected with the ball head of the ball hinge 8, the hydraulic cylinder 6 supplies oil through a hydraulic station 16, a pressure regulating valve 15 is arranged on a connecting pipeline between the hydraulic station 16 and the hydraulic cylinder, and a pressure gauge 18 is further arranged on the pressure regulating valve 15, so that the pressure of the hydraulic cylinder 6 can be regulated according to the vibration intensity of the generator body 10, and the generator body 10 with different powers can have good damping effect.

Detailed description of the invention

As shown in fig. 6, on the basis of the first and second embodiments, the first embodiment is provided with 5 vibration dampers, and accordingly, the central angle corresponding to the vibration guide plate 9 is 50 °; better conduction and damping effects can be achieved for vibrations in various directions and locations of the generator body 10.

Detailed description of the invention

Based on embodiment one to three, the utility model also provides a generator, including generator body 10 and above-mentioned generator vibration damper, lead the board 9 that shakes and support plate 14 all with generator body 10's surface laminating.

In order to increase the contact area between the vibration guide plate and the generator body, the length of the vibration guide plate is more than 1/2 of the length of the generator body.

Detailed description of the invention

Based on embodiment mode four, the utility model also provides a wind power generation equipment, as shown in fig. 7, this wind power generation equipment includes cabin 17 and above-mentioned generator, and the base 1 of generator passes through the bolt fastening in cabin 17 cavity.

The utility model discloses a damping principle does:

when the generator body 10 generates vibration, the vibration of the front end and the rear end of the generator body is attenuated through the generator support plate 12, the support supporting plate 14 and the spring damper 13, the vibration in multiple directions and multiple positions in the middle of the generator body is transmitted to the vibration damping piece through the vibration guide plate 9, the vibration damping piece attenuates the vibration, the vibration guide plate 8 and the vibration damping piece are connected through the spherical hinge 8, and the vibration in multiple directions of the generator body 10 can be transmitted and attenuated; the vibration damping sleeve 2 and the rubber pad 11 are arranged on the base 1, so that the motor body 10 and the external environment can be prevented from being influenced by vibration, and resonance is avoided.

It can be seen from the above detailed description that the present invention has the following beneficial effects:

1. through the arrangement of the shell 5, the vibration reduction piece, the spherical hinge 8 and the vibration guide plate 9, vibration reduction can be performed on vibration of the generator body 10 at multiple positions and in multiple directions, and the vibration reduction effect is good;

2. the vibration guide plate 9 is arranged in an arc shape, so that the contact area of the vibration guide plate and the generator body 10 is increased, and vibration reduction of multiple positions of the generator shell 5 is facilitated;

3. by arranging the vibration damping sleeve and the rubber pad 11 on the base 1, vibration transmission between the generator body 10 and the external environment can be avoided, resonance is avoided, and mutual vibration influence is reduced;

4. the two ends of the motor body can be damped through the generator supporting plate 12, the supporting plate 14 and the spring damper 13;

5. the working pressure of the damping piece can be adjusted through the pressure regulating valve 15 and the hydraulic station 16, and the damping piece has a damping effect on generator bodies 10 with different powers.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The generator vibration damping device is characterized by comprising a base (1), wherein a shell (5) is arranged on the base (1), the shell (5) is of an annular structure, at least three vibration damping pieces are arranged on the shell (5) along the circumferential direction of the shell, the telescopic direction of the vibration damping pieces is along the radial direction of the shell (5), each vibration damping piece comprises a telescopic end, the telescopic ends extend out of the inner circular surface of the shell (5), the telescopic ends are provided with ball hinges (8), and vibration guide plates (9) are arranged on the ball hinges (8).

2. Vibration damper for electric generators according to claim 1, characterized in that the vibration guide plate (9) is of arcuate configuration.

3. The generator vibration damper according to claim 2, characterized in that vibration damping sleeves (2) are respectively arranged on two sides of the base (1), the vibration damping sleeves (2) are made of rubber, support rods (4) are arranged in the vibration damping sleeves (2), and the support rods (4) are connected with the shell (5).

4. The generator vibration damping device according to claim 3, characterized in that the front end and the rear end of the base (1) are provided with a generator support plate (12), and the generator support plate (12) is provided with a support pallet (14).

5. Generator vibration damping device according to claim 4, wherein said generator support plate (12) and said support bracket (14) are connected by means of a second spring damper (13).

6. The generator vibration damper according to claim 5, characterized in that the vibration damper is a hydraulic cylinder (6), the hydraulic cylinders (6) are all communicated with a hydraulic station (16) through an oil path, the hydraulic station (16) is arranged on the base (1), the hydraulic station (16) is provided with a pressure regulating valve (15), and a pressure gauge (18) is arranged on the pressure regulating valve (15).

7. Generator vibration damping device according to claim 6, characterised in that a rubber pad (11) is arranged below said base (1).

8. Generator, characterized in that it comprises a generator damping device according to any of claims 4-7 and a generator body (10), said housing (5) surrounding said generator body (10), said vibration guide plate (9) and said support plate (14) both abutting the surface of said generator body (10).

9. Generator according to claim 8, wherein the length of the vibration guide plate (9) is greater than 1/2 of the length of the generator body (10).

10. Wind power plant, characterized in that it comprises a generator according to claim 8 and a nacelle (17), said generator being fixed inside the nacelle (17) cavity.