CN217977305U

CN217977305U - Gear box vibration damper

Info

Publication number: CN217977305U
Application number: CN202222316344.6U
Authority: CN
Inventors: 张昊; 杨波; 张远志; 张瑞红; 康彪; 郝甲
Original assignee: Damao Qi Fulei New Energy Co ltd
Current assignee: Damao Qi Fulei New Energy Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-06
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a gear box vibration damper, which comprises a vibration damper, wherein the vibration damper comprises a connecting box, a gear box body, a cross rod, an elastic air bag, a first damping spring and a second damping spring; a U-shaped plate is arranged above the connecting box, and a gear box body is movably contacted with the inner wall of the bottom of the U-shaped plate. The utility model discloses gear box can drive the connecting block through the U-shaped plate and remove when the vibration, the connecting block drives the horizontal pole through the riser and removes, two horizontal poles pass through the diaphragm and compress elastic airbag, the horizontal pole drives the movable plate through the connecting rod and removes and compress first damping spring, make the horizontal pole compress second damping spring, and at elastic airbag this moment, first damping spring and second damping spring self effect of elasticity have been reached the effect of damping buffering down, can carry out damping buffering protection to gear box, reduce the noise that produces because of gear box vibration, reduce the probability that causes the inside part of gear box not hard up damage simultaneously.

Description

Gear box vibration damper

The technical field is as follows:

the utility model relates to a gear box damping technical field specifically is a gear box vibration damper.

Background art:

a wind power plant typically includes a frame, a generator set supported by the frame, which may include a fan blade connected to an input shaft of the gearbox, a gearbox, and a generator, wherein an output shaft of the gearbox is connected to the generator. A plurality of different gears are meshed together to operate in the existing gear box, the gear box vibrates greatly in the working process, hard impact force can be generated between the bottom of the gear box and a rack, large noise is easy to generate if the gear box is not subjected to vibration reduction, buffering and protection, and parts in the gear box are easy to loosen and damage.

The utility model has the following contents:

an object of the utility model is to provide a gear box vibration damper to solve one of the problems that proposes among the above-mentioned background art.

The utility model discloses by following technical scheme implement: a gear box vibration damping device comprises a vibration damping mechanism, wherein the vibration damping mechanism comprises a connecting box, a gear box body, a cross rod, an elastic air bag, a first damping spring and a second damping spring;

the top of connecting box is equipped with the U-shaped board, movable contact has the gearbox body on the bottom inner wall of U-shaped board, the bottom movable contact of U-shaped board has two connecting blocks, two the equal fixedly connected with in one side that the connecting block is close to each other erects the piece, the bottom of erecting the piece extends to in the connecting box, the outside at two perpendicular pieces is established to the connecting box slip cap, the bottom fixedly connected with horizontal pole of erecting the piece, two the same diaphragm of fixedly connected with between the horizontal pole, the same elasticity gasbag of fixedly connected with between the bottom of diaphragm and the bottom inner wall of connecting box, the bottom of horizontal pole is rotated and is connected with the connecting rod.

As a further preferred aspect of the present invention: two the one end that the connecting rod was kept away from each other all rotates and is connected with the movable plate, two the equal fixedly connected with round bar in one side that the movable plate was kept away from each other.

As a further preferred aspect of the present invention: equal fixedly connected with cylinder on the both sides inner wall of connecting-box, the cylinder slip cap is established in the outside of the round bar that corresponds.

As a further preferred aspect of the present invention: the same first damping spring is fixedly connected between the cylinder and the corresponding moving plate, and the first damping spring is movably sleeved on the outer side of the corresponding round rod.

As further preferable in the present technical solution: the bottom fixedly connected with two montants of horizontal pole, two square poles of fixedly connected with on the bottom inner wall of connecting box.

As further preferable in the present technical solution: the square rods and the corresponding transverse rods are fixedly connected with the same second damping spring, and the second damping springs are movably sleeved on the outer sides of the corresponding vertical rods.

As further preferable in the present technical solution: the front side and the rear side of the gear box body are fixedly connected with two rectangular blocks, and the rectangular blocks are in threaded connection with the U-shaped plate through first bolts.

As a further preferred aspect of the present invention: the connecting block is in threaded connection with the U-shaped plate through a second bolt.

The utility model has the advantages that: the utility model discloses gearbox casing can drive the connecting block through the U-shaped plate when the vibration and remove, the connecting block drives the horizontal pole through erecting the piece and removes, two horizontal poles pass through the diaphragm and compress to elastic air bag, the horizontal pole drives the movable plate through the connecting rod and removes and compress first damping spring, make the horizontal pole compress second damping spring, and at elastic air bag this moment, the effect of damping buffering has been reached under the effect of first damping spring and second damping spring self elasticity, can carry out damping buffer protection to gearbox casing, reduce the noise that produces because of gearbox casing vibration, reduce the probability that causes the inside part of gearbox casing not hard up to damage simultaneously.

Description of the drawings:

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

FIG. 1 is a schematic view of the front perspective structure of the present invention;

fig. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic view of the internal three-dimensional structure of the junction box of the present invention;

fig. 4 is a bottom perspective view of fig. 3.

In the figure: 1. a vibration reduction mechanism; 2. a connecting box; 3. a U-shaped plate; 4. a gear housing; 5. connecting blocks; 6. a vertical block; 7. a cross bar; 8. a transverse plate; 9. an elastic air bag; 10. a connecting rod; 11. moving the plate; 12. a round bar; 13. a cylinder; 14. a first damping spring; 15. a vertical rod; 16. a square bar; 17. a second damping spring; 18. a rectangular block; 19. a first bolt; 20. a second bolt.

The specific implementation mode is as follows:

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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a gear box vibration damper comprises a vibration damper 1, wherein the vibration damper 1 comprises a connecting box 2, a gear box body 4, a cross rod 7, an elastic air bag 9, a first damping spring 14 and a second damping spring 17;

the top of connecting box 2 is equipped with U-shaped plate 3, swing contact has gear box 4 on the bottom inner wall of U-shaped plate 3, the bottom swing contact of U-shaped plate 3 has two connecting blocks 5, the equal fixedly connected with in one side that two connecting blocks 5 are close to each other erects piece 6, the bottom of erectting piece 6 extends to in the connecting

box

2, 2 slip cap of connecting box establish the outside at two erectting pieces 6, the bottom fixedly connected with horizontal pole 7 of erectting piece 6, the same diaphragm 8 of fixedly connected with between two horizontal poles 7, the same elasticity gasbag 9 of fixedly connected with between the bottom of diaphragm 8 and the bottom inner wall of connecting box 2, the bottom of horizontal pole 7 is rotated and is connected with connecting rod 10, connecting block 5 drives the vertical piece 6 removal that corresponds, erect 7 removal of horizontal pole that 6 drive corresponds.

In this embodiment, specifically: the one end that two connecting rods 10 kept away from each other all rotates and is connected with movable plate 11, and the equal fixedly connected with round bar 12 in one side that two movable plates 11 kept away from each other, two round bar 12 that the movable plate 11 drive corresponds remove.

In this embodiment, specifically: equal fixedly connected with cylinder 13 on the both sides inner wall of connecting box 2, cylinder 13 slip cap is established in the outside of corresponding round bar 12, and cylinder 13 fixes a position corresponding round bar 12.

In this embodiment, specifically: the same first damping spring 14 is fixedly connected between the cylinder 13 and the corresponding moving plate 11, the first damping spring 14 is movably sleeved on the outer side of the corresponding round rod 12, and the moving plate 11 compresses the corresponding first damping spring 14 in the moving process.

In this embodiment, specifically: two montants 15 of bottom fixedly connected with of horizontal pole 7, two square poles 16 of fixedly connected with on the bottom inner wall of connecting box 2, the setting of square pole 16 has played the effect of location.

In this embodiment, specifically: the same second damping spring 17 is fixedly connected between the square rod 16 and the corresponding cross rod 7, the second damping spring 17 is movably sleeved on the outer side of the corresponding vertical rod 15, and the cross rod 7 compresses the corresponding second damping spring 17 in the downward movement process.

In this embodiment, specifically: the equal two rectangular blocks 18 of fixedly connected with in front side and the rear side of gear box 4, rectangular block 18 is through

first bolt

19 and 3 threaded connection of U-shaped plate, and the dead effect of lock has been played in setting up of first bolt 19.

In this embodiment, specifically: the connection block 5 is screwed to the U-shaped plate 3 by the second bolt 20, and the connection box 2 can be removed by rotating the second bolt 20 to separate the second bolt 20 from the U-shaped plate 3.

Working principle or structural principle, when in use, the gear box body 4 generates large vibration when working, the gear box body 4 drives the U-shaped plate 3 to move downwards through the rectangular block 18, the U-shaped plate 3 drives the two connecting blocks 5 to move downwards, the connecting blocks 5 drive the corresponding vertical blocks 6 to move, the vertical blocks 6 drive the corresponding transverse rods 7 to move, the two transverse rods 7 drive the same transverse plate 8 to move downwards, the transverse plate 8 compresses the elastic air bag 9 in the moving process, the transverse rods 7 extrude the corresponding connecting rods 10 in the moving process, under the action of extrusion force, the connecting rods 10 move and rotate, the connecting rods 10 drive the corresponding movable plates 11 to move, the movable plates 11 drive the corresponding two round rods 12 to move, and the corresponding first damping spring movable plates 14 are compressed in the moving process of the movable plates 11, cylinder 13 fixes a position corresponding round bar 12, horizontal pole 7 drives two montants 15 that correspond and removes, square bar 16 fixes a position corresponding montant 15, horizontal pole 7 compresses the second damping spring 17 that corresponds at the in-process of lapse, this moment at elasticity gasbag 9, under the effect of first damping spring 14 and second damping spring 17 self elasticity, thereby the effect of damping buffering has been reached, when needs take off gear box 4, rotate first bolt 19, thereby make first bolt 19 and U-shaped plate 3 separation, alright take off gear box 4 this moment, when needs take off connecting box 2, rotate second bolt 20, second bolt 20 and U-shaped plate 3 separation, this moment alright take off connecting box 2.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The vibration damping device of the gearbox is characterized by comprising a vibration damping mechanism (1), wherein the vibration damping mechanism (1) comprises a connecting box (2), a gearbox body (4), a cross rod (7), an elastic air bag (9), a first damping spring (14) and a second damping spring (17);

the top of connecting box (2) is equipped with U-shaped plate (3), movable contact has gearbox casing (4) on the bottom inner wall of U-shaped plate (3), the bottom movable contact of U-shaped plate (3) has two connecting blocks (5), two the equal fixedly connected with riser block (6) in one side that connecting block (5) are close to each other, the bottom of riser block (6) extends to in connecting box (2), connecting box (2) slip cap is established in the outside of two riser blocks (6), the bottom fixedly connected with horizontal pole (7) of riser block (6), two fixedly connected with is same diaphragm (8) between horizontal pole (7), the same elastic airbag (9) of fixedly connected with between the bottom of diaphragm (8) and the bottom inner wall of connecting box (2), the bottom of horizontal pole (7) is rotated and is connected with connecting rod (10).

2. A gearbox vibration damping device as defined in claim 1, wherein: two the one end that connecting rod (10) kept away from each other all rotates and is connected with movable plate (11), two the equal fixedly connected with round bar (12) in one side that movable plate (11) kept away from each other.

3. A gearbox vibration damping arrangement according to claim 2, wherein: equal fixedly connected with cylinder (13) on the both sides inner wall of connecting box (2), cylinder (13) slip cap is established in the outside of corresponding round bar (12).

4. A gearbox vibration damping device as defined in claim 3, wherein: the same first damping spring (14) is fixedly connected between the cylinder (13) and the corresponding moving plate (11), and the first damping spring (14) is movably sleeved on the outer side of the corresponding round rod (12).

5. A gearbox vibration damping arrangement according to claim 4, wherein: the bottom of horizontal pole (7) fixedly connected with two montants (15), fixedly connected with two square poles (16) on the bottom inner wall of connecting box (2).

6. A gearbox vibration damping device according to claim 5, wherein: the square rod (16) and the corresponding transverse rod (7) are fixedly connected with the same second damping spring (17), and the second damping spring (17) is movably sleeved on the outer side of the corresponding vertical rod (15).

7. A gearbox vibration damping device according to claim 6, wherein: the front side and the rear side of the gear box body (4) are fixedly connected with two rectangular blocks (18), and the rectangular blocks (18) are in threaded connection with the U-shaped plate (3) through first bolts (19).

8. A gearbox vibration damping device according to claim 7, wherein: the connecting block (5) is in threaded connection with the U-shaped plate (3) through a second bolt (20).