Vibration reduction structure for gearbox

Abstract

The utility model discloses a vibration damping structure for a gearbox, which belongs to the technical field of gearbox vibration damping and is characterized by comprising a limiting component, a vibration damping component and a gearbox body, the limiting component is arranged at the bottom of the gearbox body, the vibration damping component is arranged inside the limiting component, and the vibration damping component is arranged inside the limiting component through the arrangement of the limiting component. The limiting assembly can achieve the effect of connecting the gear box body and the vibration reduction assembly and can also achieve the effect of limiting the vibration reduction assembly, through arrangement of the vibration reduction assembly, the vibration reduction assembly can achieve the effect of reducing vibration of the gear box body when the gear box body operates, and therefore the problem that in the using process of an existing gear box, the vibration reduction effect is poor is solved. The problems that due to meshing impact between gears, unbalanced mass, external load fluctuation and other factors, vibration is prone to being caused, the stability of equipment operation is affected, and a gear box is possibly damaged due to vibration are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gear box damping, particularly relates to a damping structure for gear box. BACKGROUND

[0002] Gear box is widely used, for example, in the application in wind turbine generator system, gear box is an important mechanical component and is widely used in wind turbine generator system, and its main function is to transmit power generated by wind wheel under the action of wind to generator and make it get corresponding rotating speed.

[0003] The existing gear box is easy to cause vibration problem in the use process due to meshing impact between gears, unbalanced mass and external load fluctuation and other factors, thereby affecting the stability of equipment operation, and the gear box can be damaged due to vibration.

[0004] Therefore, a damping structure for gear box is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of damping structures for gear box, can solve the problem that the existing gear box is easy to cause vibration problem in the use process due to meshing impact between gears, unbalanced mass and external load fluctuation and other factors, thereby affecting the stability of equipment operation, and the gear box can be damaged due to vibration.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of damping structure for gear box, including limiting component, damping component and gear box main body, the limiting component is set at the bottom of gear box main body, the damping component is set in the inside of limiting component;

[0007] The limiting component includes mounting plate, sliding plate, connecting plate, limiting block and damping box, the mounting plate is fixedly connected at the bottom of gear box main body, the sliding plate is fixedly connected at the bottom of mounting plate, the connecting plate is fixedly connected at the bottom of sliding plate, the limiting block is fixedly connected at the front side and rear side of connecting plate, and the damping box is slidably connected on the surface of connecting plate.

[0008] Preferably, the damping component includes telescopic piece, the telescopic piece is fixedly connected at the bottom of connecting plate, and the outer side of telescopic piece is fixedly connected with sliding block.

[0009] Preferably, the bottom of sliding block is fixedly connected with connecting frame, and the bottom of connecting frame is rotatably connected with turnover plate.

[0010] Preferably, the bottom of the turnover plate is rotationally connected with a connecting block, outer sides of the connecting block are fixedly connected with two sides in the damping box, the bottom of the telescopic part is fixedly connected with a first damper, and the bottom of the damping box is fixedly connected with a second damper.

[0011] Preferably, the two sides of the damping box are fixedly connected with fixed plates, and the top of each fixed plate is bolted with a fixed bolt.

[0012] Preferably, the top of the damping box is fixedly connected with a buffer pad, and the top of the buffer pad is in contact with the bottom of the mounting plate.

[0013] Preferably, the front side and the rear side in the damping box are both provided with limiting grooves, and the inner wall of each limiting groove is in sliding connection with the surface of a limiting block.

[0014] Preferably, the bottom of the connecting plate is provided with a sliding groove, and the inner wall of the sliding groove is in sliding connection with the surface of a sliding block.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The limiting assembly can connect the gear box body and the damping assembly, and can also limit the damping assembly.

[0017] 2. The damping assembly can reduce the vibration of the gear box body when the gear box body is running. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure diagram of the damping structure for the gear box.

[0019] Figure 2 It is a connecting schematic view of the limiting assembly and the damping assembly.

[0020] Figure 3 It is a connecting schematic view of the limiting assembly.

[0021] Figure 4 It is a connecting schematic view of the damping assembly.

[0022] Figure 5 It is a connecting schematic view of the sliding groove.

[0023] In the figure, 1, limiting assembly; 101, mounting plate; 102, sliding plate; 103, connecting plate; 104, limiting block; 105, damping box; 2, damping assembly; 201, telescopic piece; 202, sliding block; 203, connecting frame; 204, turnover plate; 205, connecting block; 206, first damper; 207, second damper; 3, gear box main body; 4, fixed plate; 5, fixed bolt; 6, buffer pad; 7, limiting groove; 8, sliding groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides technical schemes:

[0026] A gear box damping structure, including limiting assembly 1, damping assembly 2 and gear box main body 3, limiting assembly 1 sets up at the bottom of gear box main body 3, and damping assembly 2 sets up inside limiting assembly 1;

[0027] Limiting assembly 1 includes mounting plate 101, sliding plate 102, connecting plate 103, limiting block 104 and damping box 105, and mounting plate 101 is fixedly connected at the bottom of gear box main body 3, and sliding plate 102 is fixedly connected at the bottom of mounting plate 101, and connecting plate 103 is fixedly connected at the bottom of sliding plate 102, and limiting block 104 is fixedly connected at the front side and the back side of connecting plate 103, and damping box 105 is slidingly connected at the surface of connecting plate 103.

[0028] In the embodiment: through the setting of limiting assembly 1, limiting assembly 1 can reach the effect of connecting gear box main body 3 with damping assembly 2, and still can play the effect of limiting damping assembly 2, through the setting of damping assembly 2, damping assembly 2 can reach the effect of reducing the vibration of gear box main body 3 when gear box main body 3 is running, through the setting of mounting plate 101, mounting plate 101 can reach the effect of connecting and fixing gear box main body 3, through the setting of sliding plate 102, sliding plate 102 can reach the effect of connecting mounting plate 101, through the setting of connecting plate 103, connecting plate 103 can reach the effect of slidingly connecting damping box 105, through the setting of limiting block 104, limiting block 104 can reach the effect of limiting connecting plate 103, through the setting of damping box 105, damping box 105 can reach the effect of slidingly connecting sliding plate 102.

[0029] Specifically, as shown in Figure 4 The damping assembly 2 includes a telescopic piece 201 fixedly connected to the bottom of the connecting plate 103, and a sliding block 202 fixedly connected to the outer side of the telescopic piece 201.

[0030] Specifically, as shown in Figure 4 The bottom of the sliding block 202 is fixedly connected to a connecting frame 203, and the bottom of the connecting frame 203 is rotatably connected to a turnover plate 204.

[0031] Specifically, as shown in Figure 4 The bottom of the turnover plate 204 is rotatably connected to a connecting block 205, the outer side of the connecting block 205 is fixedly connected to both sides inside the damping box 105, the bottom of the telescopic piece 201 is fixedly connected to a first damper 206, and the bottom inside the damping box 105 is fixedly connected to a second damper 207.

[0032] In this embodiment: through the setting of the telescopic piece 201, the telescopic piece 201 is a device with a powerful reset spring built-in, through the setting of the sliding block 202, the sliding block 202 can achieve the effect of connecting the telescopic piece 201, through the setting of the connecting frame 203, the connecting frame 203 can achieve the effect of connecting the sliding block 202, through the setting of the turnover plate 204, the turnover plate 204 can achieve the effect of rotatably connecting the connecting frame 203, through the setting of the connecting block 205, the connecting block 205 can achieve the effect of supporting the turnover plate 204, through the setting of the first damper 206, the first damper 206 can achieve the effect of connecting the telescopic piece 201, and through the setting of the second damper 207, the second damper 207 is used in cooperation with the first damper 206, which can achieve the effect of providing buffering for the connecting plate 103.

[0033] Specifically, as shown in Figure 3 Both sides of the damping box 105 are fixedly connected to a fixed plate 4, and the top of the fixed plate 4 is bolted with a fixed bolt 5.

[0034] Specifically, as shown in Figure 3 The top of the damping box 105 is fixedly connected to a buffer pad 6, and the top of the buffer pad 6 is in contact with the bottom of the mounting plate 101.

[0035] In this embodiment: through the setting of the fixed plate 4, the fixed plate 4 is used in cooperation with the fixed bolt 5, which can achieve the effect of mounting and fixing the damping box 105, and through the setting of the buffer pad 6, the buffer pad 6 can achieve the effect of providing buffering for the mounting plate 101.

[0036] Specifically, as shown in Figure 4 The front side and the rear side inside the damping box 105 are both provided with a limiting slot 7, and the inner wall of the limiting slot 7 is in sliding connection with the surface of the limiting block 104.

[0037] Specifically, as shown in Figure 5 The bottom of the connecting plate 103 is provided with a sliding groove 8, and the inner wall of the sliding groove 8 is in sliding connection with the surface of the sliding block 202.

[0038] In this embodiment: through the setting of the limiting groove 7, the limiting groove 7 can achieve the effect of limiting sliding connection of the limiting block 104, and through the setting of the sliding groove 8, the sliding groove 8 can achieve the effect of limiting sliding connection of the sliding block 202.

[0039] Working principle: first, in the process of using the gear box body 3, when the gear box body 3 vibrates, the impact force will be transmitted downward due to the limiting of the mounting plate 101, and then the mounting plate 101 exerts pressure on the sliding plate 102, so that the sliding plate 102 exerts pressure on the connecting plate 103, and then the connecting plate 103 drives the sliding block 202 to move downward, so that the turnover plate 204 presses the sliding block 202, and then the sliding block 202 presses the telescopic piece 201, thereby reducing the impact caused by vibration, and the telescopic piece 201 also presses the first damper 206, and the connecting plate 103 presses the second damper 207, thereby making the first damper 206 cooperate with the second damper 207 to perform secondary buffering of the vibration, and when the mounting plate 101 contacts the buffer pad 6, the elastic force brought by the buffer pad 6 performs three times of buffering, thereby reducing the damage caused by the vibration of the gear box body 3.

[0040] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A damping structure for a gear box, comprising a limiting assembly (1), a damping assembly (2) and a gear box main body (3), characterized in that: The limiting assembly (1) is arranged at the bottom of the gear box body (3), and the damping assembly (2) is arranged inside the limiting assembly (1). The limiting assembly (1) comprises a mounting plate (101), a sliding plate (102), a connecting plate (103), limiting blocks (104) and a damping box (105), the mounting plate (101) is fixedly connected at the bottom of the gear box body (3), the sliding plate (102) is fixedly connected at the bottom of the mounting plate (101), the connecting plate (103) is fixedly connected at the bottom of the sliding plate (102), the limiting blocks (104) are fixedly connected at the front side and the rear side of the connecting plate (103), and the damping box (105) is slidingly connected at the surface of the connecting plate (103).

2. The damping structure for a gear box according to claim 1, characterized by: The damping assembly (2) comprises a telescopic piece (201), the telescopic piece (201) is fixedly connected at the bottom of the connecting plate (103), and the outer side of the telescopic piece (201) is fixedly connected with a sliding block (202).

3. The damping structure for a gear box according to claim 2, characterized by: The bottom of the sliding block (202) is fixedly connected with a connecting frame (203), and the bottom of the connecting frame (203) is rotatably connected with a turnover plate (204).

4. The damping structure for a gear box according to claim 3, characterized by: The bottom of the turnover plate (204) is rotatably connected with a connecting block (205), the outer side of the connecting block (205) is fixedly connected with both sides in the damping box (105), the bottom of the telescopic piece (201) is fixedly connected with a first damper (206), and the bottom of the damping box (105) is fixedly connected with a second damper (207).

5. The damping structure for a gear box according to claim 1, characterized by: Both sides of the damping box (105) are fixedly connected with a fixed plate (4), and the top of the fixed plate (4) is bolted with a fixed bolt (5).

6. The damping structure for a gear box according to claim 1, characterized by: The top of the damping box (105) is fixedly connected with a buffer pad (6), and the top of the buffer pad (6) is in contact with the bottom of the mounting plate (101).

7. The damping structure for a gear box according to claim 1, characterized by: The front side and the rear side in the damping box (105) are both provided with a limiting groove (7), and the inner wall of the limiting groove (7) is slidingly connected with the surface of the limiting block (104).

8. The damping structure for a gear box according to claim 2, characterized by: The bottom of the connecting plate (103) is provided with a sliding groove (8), and the inner wall of the sliding groove (8) is slidingly connected with the surface of the sliding block (202).

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