CN211370624U

CN211370624U - Vibration damper for wind driven generator

Info

Publication number: CN211370624U
Application number: CN201922350235.4U
Authority: CN
Inventors: 孟宪玉; 潘泉
Original assignee: Jiangsu Baocheng Heavy Industry Technology Co ltd
Current assignee: Jiangsu Baocheng Heavy Industry Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-28
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a vibration damper for wind driven generator, which comprises a shell, the bottom of the inner wall of the shell is fixedly connected with a base, the two sides of the bottom of the inner wall of the base are respectively and slidably connected with a sliding block, the inner wall of the two sliding blocks is respectively and slidably connected with a sliding rod, an extrusion spring is fixedly connected between the opposite sides of the two sliding blocks, the extrusion spring is sleeved on the surface of the sliding rod, the tops of the two sliding blocks are respectively and rotatably connected with a connecting rod, the other ends of the two connecting rods are respectively and rotatably connected with a rotating block, the tops of the two rotating blocks are respectively and fixedly connected with a sliding plate, the two sides of the sliding plate are respectively and slidably connected with the two sides of the inner wall of the base, through the arrangement of devices such as the extrusion spring, the vibration is transmitted to the base when, therefore, the tower and the engine room case are protected, and the normal service life of the wind driven generator is ensured.

Description

Vibration damper for wind driven generator

Technical Field

The utility model relates to a aerogenerator specifically is a shock absorber for aerogenerator.

Background

The wind power generator is a power device which converts wind energy into mechanical power, drives a rotor to rotate by the mechanical power and finally outputs alternating current, and generally comprises wind wheels, a generator, a direction regulator, a tower frame, a speed-limiting safety mechanism, an energy storage device and the like.

However, in the use process of the wind driven generator, the impeller continuously rotates to generate power, and the internal generator set and the gear speed increasing case of the wind driven generator continuously rotate to generate vibration, so that the damage to the engine room and the tower is easily caused. Accordingly, those skilled in the art have provided a damper for a wind turbine to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a shock absorber for aerogenerator 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:

the utility model provides a shock absorber for aerogenerator, includes the shell, the bottom fixedly connected with base of shell inner wall, the equal sliding connection in both sides of base inner wall bottom has the sliding block, two the equal sliding connection in inner wall of sliding block has the slide bar, two fixedly connected with extrusion spring between the relative one side of sliding block to the surface of slide bar is located to the extrusion spring housing, two the top of sliding block all rotates and is connected with the connecting rod, two the other end of connecting rod all rotates and is connected with the turning block, two the equal fixedly connected with sliding plate in top of turning block, and the both sides of sliding plate all with the both sides sliding connection of base inner wall, the both sides at sliding plate top are provided with generating set and gear speed increasing box respectively.

As a further aspect of the present invention: the sliding plate is characterized in that a groove is formed in one side of the top of the sliding plate, extrusion plates are connected between two sides of the inner wall of the groove in a sliding mode, fixing springs are fixedly connected to two sides of the bottom of each extrusion plate, and the bottom ends of the two fixing springs are fixedly connected with the bottom of the inner wall of the groove.

As a further aspect of the present invention: the front and the back of the top of the extrusion plate are fixedly connected with connecting plates through mounting screws, the top of each connecting plate is fixedly connected with a mounting seat, and the top of each mounting seat is fixedly connected with the bottom of the gear speed increasing box.

As a further aspect of the present invention: the two sides of the top of the sliding plate are fixedly connected with mounting plates through mounting screws, the top of each mounting plate is fixedly connected with a bottom plate, and the top of each bottom plate is fixedly connected with the bottom of the generator set.

As a further aspect of the present invention: and spring washers are sleeved on the surfaces of the two mounting screws.

As a further aspect of the present invention: the top of the inner wall of the base is fixedly connected with limiting plates, the bottoms of the two limiting plates are movably connected with the top of the sliding plate, and air holes are formed in the top of the sliding plate and the two sides of the base.

Compared with the prior art, the beneficial effects of the utility model are that:

through the setting of devices such as extrusion spring, conduct the vibration for the base when generating set and gear speed increasing machine case vibrate, utilize the elastic force of extrusion spring self to offset the vibration, thereby to pylon and cabin machine case protection, guarantee aerogenerator's normal life, again through the setting of installation screw, make generating set and gear speed increasing machine case can dismantle, conveniently maintain the base when the extrusion spring is ageing, again through the setting of spring washer, make the installation screw difficult not hard up in the use, guarantee the stability when generating set and gear speed increasing machine case use, and through the setting of devices such as recess and fixed spring, further reduce the vibration of gear speed increasing machine case during operation.

Drawings

Fig. 1 is a schematic view of an overall structure of a damper for a wind turbine.

Fig. 2 is a partially enlarged structural view of a damper for a wind turbine.

In the figure: 1. the device comprises a shell, 2, a base, 3, a sliding block, 4, a sliding rod, 5, an extrusion spring, 6, a connecting rod, 7, a rotating block, 8, a sliding plate, 9, a mounting plate, 10, a bottom plate, 11, a generator set, 12, a groove, 13, an extrusion plate, 14, a fixing spring, 15, a connecting plate, 16, a mounting seat, 17, a gear speed increasing box, 18, a spring washer, 19, a mounting screw, 20, a limiting plate, 21 and air holes.

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.

Referring to fig. 1-2, in the embodiment of the present invention, a damper for a wind power generator comprises a housing 1, a base 2 is fixedly connected to the bottom of the inner wall of the housing 1, sliding blocks 3 are slidably connected to both sides of the bottom of the inner wall of the base 2, sliding rods 4 are slidably connected to the inner walls of the two sliding blocks 3, an extrusion spring 5 is fixedly connected between the opposite sides of the two sliding blocks 3, the extrusion spring 5 is sleeved on the surface of the sliding rod 4, connecting rods 6 are rotatably connected to the tops of the two sliding blocks 3, rotating blocks 7 are rotatably connected to the other ends of the two connecting rods 6, sliding plates 8 are fixedly connected to the tops of the two rotating blocks 7, both sides of the sliding plates 8 are slidably connected to both sides of the inner wall of the base 2, a generator set 11 and a gear increasing box 17 are respectively arranged on both sides of the top of the sliding plates 8, when the generator, the vibration is counteracted by the elastic force of the extrusion spring 5, so that the tower and the engine room case are protected, and the normal service life of the wind driven generator is ensured.

One side at sliding plate 8 top is seted up flutedly 12, and equal sliding connection has stripper plate 13 between the both sides of recess 12 inner wall, and the equal fixedly connected with fixed spring 14 in both sides of stripper plate 13 bottom to the bottom of two fixed spring 14 all with the bottom fixed connection of recess 12 inner wall, through the setting of devices such as recess 12 and fixed spring 14, further reduce the vibration of gear increasing speed machine case 17 during operation.

The front and the back at stripper plate 13 top all are through 19 fixedly connected with connecting plates 15 of installation screw, the top fixedly connected with mount pad 16 of connecting plate 15, and the top of mount pad 16 and the bottom fixed connection of gear speed-increasing box 17, the both sides at sliding plate 8 top are all through 19 fixedly connected with mounting panels 9 of installation screw, the top fixedly connected with bottom plate 10 of mounting panel 9, and the top of bottom plate 10 and generating set 11's bottom fixed connection, through the setting of installation screw 19, make generating set 11 and gear speed-increasing box 17 can dismantle, conveniently maintain base 2 when extrusion spring 5 is ageing.

The surfaces of the two mounting screws 19 are all sleeved with spring washers 18, and the mounting screws 19 are not easy to loosen in the using process through the arrangement of the spring washers 18, so that the stability of the generator set 11 and the gear speed increasing case 17 in use is ensured.

The equal fixedly connected with limiting plate 20 in top of 2 inner wall both sides of base prevents that sliding plate 8 from droing, and the bottom of two limiting plates 20 all with sliding plate 8's top swing joint, bleeder vent 21 has all been seted up to sliding plate 8's top and base 2's both sides, guarantees the smooth implementation of device.

The utility model discloses a theory of operation is:

conduct vibration for base 2 when generating set 11 and gear increasing speed machine case 17 vibrate, utilize the elastic force of extrusion spring 5 self to offset vibration, thereby to pylon and cabin machine case protection, guarantee aerogenerator's normal life, again through the setting of installation screw 19, make generating set 11 and gear increasing speed machine case 17 can dismantle, conveniently maintain base 2 when extrusion spring 5 is ageing, again through the setting of spring washer 18, make installation screw 19 difficult not hard up in the use, stability when guaranteeing generating set 11 and gear increasing speed machine case 17 to use, and through the setting of devices such as recess 12 and fixed spring 14, further reduce the vibration of gear increasing speed machine case 17 during operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The shock absorber for the wind driven generator comprises a shell (1) and is characterized in that a base (2) is fixedly connected to the bottom of the inner wall of the shell (1), sliding blocks (3) are slidably connected to two sides of the bottom of the inner wall of the base (2), sliding rods (4) are slidably connected to the inner walls of the two sliding blocks (3), an extrusion spring (5) is fixedly connected between one opposite sides of the two sliding blocks (3), the extrusion spring (5) is sleeved on the surface of the sliding rod (4), connecting rods (6) are rotatably connected to the tops of the two sliding blocks (3), rotating blocks (7) are rotatably connected to the other ends of the two connecting rods (6), sliding plates (8) are fixedly connected to the tops of the two rotating blocks (7), and two sides of each sliding plate (8) are slidably connected to two sides of the inner wall of the base (2), and a generator set (11) and a gear speed increasing box (17) are respectively arranged on two sides of the top of the sliding plate (8).

2. The damper for the wind driven generator according to claim 1, wherein one side of the top of the sliding plate (8) is provided with a groove (12), a pressing plate (13) is slidably connected between two sides of the inner wall of the groove (12), two sides of the bottom of the pressing plate (13) are fixedly connected with fixing springs (14), and the bottom ends of the two fixing springs (14) are fixedly connected with the bottom of the inner wall of the groove (12).

3. The damper for the wind power generator as claimed in claim 2, wherein the front and back of the top of the squeeze plate (13) are fixedly connected with a connecting plate (15) through a mounting screw (19), the top of the connecting plate (15) is fixedly connected with a mounting seat (16), and the top of the mounting seat (16) is fixedly connected with the bottom of the gear box (17).

4. The damper for the wind power generator according to claim 3, wherein the mounting plate (9) is fixedly connected to both sides of the top of the sliding plate (8) through mounting screws (19), the bottom plate (10) is fixedly connected to the top of the mounting plate (9), and the top of the bottom plate (10) is fixedly connected to the bottom of the generator set (11).

5. A damper for a wind turbine according to claim 4, characterized in that the surfaces of both of said mounting screws (19) are provided with spring washers (18).

6. The damper for the wind driven generator according to claim 1, wherein the top parts of the two sides of the inner wall of the base (2) are fixedly connected with limiting plates (20), the bottom parts of the two limiting plates (20) are movably connected with the top part of the sliding plate (8), and the top part of the sliding plate (8) and the two sides of the base (2) are respectively provided with an air hole (21).