Damping device of reduction gearbox shell

Abstract

The utility model discloses a damping device of a reduction gearbox shell, which relates to the technical field of reduction gearbox damping, and comprises a reduction gearbox shell, a damping device is arranged on one side of the reduction gearbox shell, first connecting blocks are fixedly arranged on four end feet below the reduction gearbox shell, and a second connecting block is arranged on the other side of the reduction gearbox shell. Second connecting blocks are fixedly arranged at four end feet of the upper end face of the interior of the damping device, two movable plates are movably connected between the first connecting block and the second connecting blocks, dampers are arranged among the four movable plates, the dampers are sleeved with second buffer springs, a guide rod is arranged in the damping device, and the guide rod is fixedly connected with the damping device. The two sides of the outer portion of the guide rod are each slidably sleeved with two guide blocks, and a U-shaped elastic plate is arranged above the two guide blocks. Damping devices are arranged on the two sides of the reduction gearbox shell, so that protection on internal elements is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorption devices for speed reducers, and specifically relates to a shock absorption device for a speed reducer housing. Background Art

[0002] A speed reducer plays a role in matching speeds and transmitting torques between a prime mover and a working machine or an actuator. A speed reducer is an independent component composed of a gear transmission within a closed rigid housing and is commonly used as a speed reduction transmission device between a prime mover and a working machine. When a speed reducer operates, it will generate huge vibrations. Long-term vibrations will cause damage to internal components and affect subsequent use.

[0003] For example, patent number CN201821541498.2 discloses a shock absorption device for a speed reducer. Its structure includes a support plate, a sealed box, a spring support rod, a shock absorption spring and an anti-wear plate. A sealed box is installed at the center of the bottom end of the support plate. Anti-wear plates are fixed at equal intervals on the top end of the support plate inside the sealed box. A spring support rod is provided at the top of the anti-wear plate, and a shock absorption spring is wound around the surface of the spring support rod. The inside of the sealed box is filled with foam particles at equal intervals, and the foam particles are in contact with the spring support rod and the shock absorption spring. The utility model realizes the multi-stage shock absorption function of the shock absorption device by providing a spring support rod at the top of the anti-wear plate, winding a shock absorption spring around the surface of the spring support rod, and wrapping shock absorption spring pieces at equal intervals around the surface of the support rod, thereby improving the shock absorption effect of the shock absorption device. By installing a sealed box at the center of the bottom end of the support plate, fixing anti-wear plates at equal intervals on the top end of the support plate inside the sealed box, and filling the inside of the sealed box with foam particles at equal intervals;

[0004] The shock absorption device in this patent has a poor shock absorption efficiency for the speed reducer and cannot play a good role in shock absorption, having certain drawbacks. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a shock absorption device for a speed reducer housing, solving the problems that the shock absorption device has a poor shock absorption efficiency for the speed reducer, cannot play a good role in shock absorption, and has certain drawbacks.

[0006] To achieve the above object, the present utility model is realized by the following technical solutions: A shock absorption device for a reduction gearbox housing, including a reduction gearbox housing, a shock absorption device is provided on one side of the reduction gearbox housing, four end feet below the reduction gearbox housing are fixedly provided with first connection blocks, four end feet on the upper end face inside the shock absorption device are fixedly provided with second connection blocks, two movable plates are movably connected between the first connection block and the second connection block, a damper is provided between the four movable plates, a second buffer spring is sleeved outside the damper, a guide rod is provided inside the shock absorption device, two guide blocks are slidably sleeved on both sides outside the guide rod, a U-shaped elastic plate is provided above the two guide blocks, a damper rod located at both ends on one side of the reduction gearbox housing penetrates through the middle of the two U-shaped elastic plates, a fourth buffer spring is sleeved on the outside of the two damper rods, and a shock absorption block is fixedly provided on the lower end face of the damper rod.

[0007] Preferably, a first buffer spring sleeved on the outside of the guide rod is provided on one side of the guide block.

[0008] Preferably, a third buffer spring sleeved on the outside of the guide rod is provided between the two guide blocks.

[0009] Preferably, a first movable shaft is movably connected between the movable plate and the second connection block and the first connection block respectively.

[0010] Preferably, the two movable plates are cross-connected, and a second movable shaft is movably connected between both sides of the damper and the two movable plates.

[0011] Preferably, the two U-shaped elastic plates and the two guide blocks are fixed by bolts.

[0012] Preferably, there are two reduction gearbox housings, and the two reduction gearbox housings are fixed by screws. Beneficial effects

[0013] The present utility model provides a shock absorption device for a reduction gearbox housing. Compared with the prior art, the following beneficial effects are achieved:

[0014] When the internal components of the speed reducer housing are operating, it will generate huge vibrations, and at the same time, it will affect the external speed reducer housing to start vibrating. Then, when the vibrations occur, the shock-absorbing devices on both sides will reduce the vibrations. On one side of the speed reducer housing, the four movable plates connected by the first movable shaft will extend inward. At the same time, the damper between the two movable plates will perform shock-absorbing treatment. At the same time, the second buffer spring sleeved outside the damper will be compressed to buffer the pressure. Then, on both sides below the speed reducer housing, the U-shaped elastic plates will start to slide outside the guide rod through the guide blocks under the action of pressure. The first buffer spring sleeved outside the guide rod on one side of the guide block will be compressed to play a buffering role. The damper rod below the U-shaped elastic plate and the fourth buffer spring sleeved outside it will also perform shock-absorbing treatment, which can perform shock-absorbing treatment on the components inside the speed reducer housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the speed reducer housing of the present utility model;

[0016] Figure 2 is a three-dimensional structural schematic diagram of the shock-absorbing device of the present utility model;

[0017] Figure 3 is a front view of the three-dimensional structure of the shock-absorbing device of the present utility model;

[0018] Figure 4 For the present utility model Figure 3 partial enlarged structural schematic diagram.

[0019] In the figure: 1. Speed reducer housing; 2. Shock-absorbing device; 3. First connecting block; 4. Second connecting block; 5. First movable shaft; 6. Movable plate; 7. Guide rod; 8. Guide block; 9. First buffer spring; 10. Damper; 11. Second movable shaft; 12. Second buffer spring; 13. Third buffer spring; 14. U-shaped elastic plate; 15. Fourth buffer spring; 16. Shock-absorbing block; 17. Damper rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4, the present utility model provides a technical solution: a shock absorption device for a reduction gearbox housing, including a reduction gearbox housing 1, a shock absorption device 2 is arranged on one side of the reduction gearbox housing 1, and four end feet below the reduction gearbox housing 1 are fixedly provided with first connection blocks 3. Four end feet on the upper end face inside the shock absorption device 2 are fixedly provided with second connection blocks 4. Two movable plates 6 are movably connected between the first connection block 3 and the second connection block 4. On one side of the guide block 8, there is a first buffer spring 9 sleeved outside the guide rod 7. Between the two guide blocks 8, there is a third buffer spring 13 sleeved outside the guide rod 7. First, when the internal components of the reduction gearbox housing 1 operate, huge vibrations will be generated, and at the same time, it will also cause the external reduction gearbox housing 1 to start vibrating. Then, when the vibration occurs, the shock absorption devices 2 on both sides will reduce the vibration. The four movable plates 6 connected by the first movable shaft 5 on one side of the reduction gearbox housing 1 will extend inward;

[0022] A damper 10 is arranged between the four movable plates 6. A second buffer spring 12 is sleeved outside the damper 10. A guide rod 7 is arranged inside the shock absorption device 2. Two guide blocks 8 are slidably sleeved on both sides outside the guide rod 7. Above the two guide blocks 8, there is a U-shaped elastic plate 14. The movable plate 6 is movably connected to the second connection block 4 and the first connection block 3 respectively through a first movable shaft 5. The two movable plates 6 are cross-connected. The damper 10 is movably connected to the two movable plates 6 on both sides through a second movable shaft 11. At the same time, the damper 10 between the two movable plates 6 performs shock absorption treatment. At the same time, the second buffer spring 12 sleeved outside the damper 10 is compressed to buffer the pressure. Then, the U-shaped elastic plates 14 on both sides below the reduction gearbox housing 1 will start to slide outside the guide rod 7 through the guide blocks 8 under the action of pressure;

[0023] A damping rod 17 passing through the middle of the two U-shaped elastic plates 14 and located at both ends on one side of the reduction gearbox housing 1 is connected. A fourth buffer spring 15 is sleeved outside the two damping rods 17. A shock absorption block 16 is fixedly arranged on the lower end face of the damping rod 17. The two U-shaped elastic plates 14 and the two guide blocks 8 are fixed by bolts. There are two reduction gearbox housings 1, and the two reduction gearbox housings 1 are fixed by screws. Then, the first buffer spring 9 sleeved outside the guide rod 7 on one side of the guide block 8 is compressed to play a buffering role. The damping rod 17 below the U-shaped elastic plate 14 and the fourth buffer spring 15 sleeved outside it also perform shock absorption treatment, and shock absorption treatment can be carried out on the components inside the reduction gearbox housing 1.

[0024] During operation, when the internal components of the reduction gearbox housing 1 generate huge vibrations, the external reduction gearbox housing 1 is also affected and starts to vibrate. When the vibrations occur, the shock-absorbing devices 2 on both sides will reduce the vibrations. On one side of the reduction gearbox housing 1, the four movable plates 6 connected by the first movable shaft 5 extend inward. At the same time, the damper 10 between the two movable plates 6 performs shock-absorbing treatment. At the same time, the second buffer spring 12 sleeved outside the damper 10 is compressed to buffer the pressure. Then, on both sides below the reduction gearbox housing 1, the U-shaped elastic plates 14 start to slide outside the guide rod 7 through the guide blocks 8 under the action of pressure. The first buffer spring 9 sleeved outside the guide rod 7 on one side of the guide block 8 is compressed to play a buffering role. The damping rod 17 below the U-shaped elastic plate 14 and the fourth buffer spring 15 sleeved outside also perform shock-absorbing treatment, which can reduce the vibrations of the components inside the reduction gearbox housing 1.

[0025] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. A shock absorbing device for a reduction gearbox housing, comprising a reduction gearbox housing (1), characterized in that: A shock absorbing device (2) is provided on one side of the reduction gearbox housing (1); four end feet below the reduction gearbox housing (1) are all fixedly provided with a first connection block (3); four end feet on the inner upper end surface of the shock absorbing device (2) are all fixedly provided with a second connection block (4); two movable plates (6) are movably connected between the first connection block (3) and the second connection block (4); a damper (10) is provided between the four movable plates (6); a second buffer spring (12) is sleeved on the outside of the damper (10); A guide rod (7) is provided inside the shock absorbing device (2), two guide blocks (8) are slidably sleeved on both sides of the outside of the guide rod (7), a U-shaped elastic plate (14) is provided above the two guide blocks (8), damping rods (17) located at both ends of one side of the reduction gearbox housing (1) are connected through the middle of the two U-shaped elastic plates (14), fourth buffer springs (15) are sleeved on the outside of the two damping rods (17), and a shock absorbing block (16) is fixedly provided on the lower end surface of the damping rod (17).

2. A shock absorbing device for a reduction gearbox housing according to claim 1, characterized in that: A first buffer spring (9) sleeved on the outside of the guide rod (7) is provided on one side of the guide block (8).

3. The shock absorbing device of a reduction gearbox housing according to claim 1, characterized in that: A third buffer spring (13) sleeved on the outside of the guide rod (7) is provided between the two guide blocks (8).

4. The shock absorbing device for a reduction gearbox housing according to claim 1, characterized in that: The movable plate (6) is movably connected to the second connecting block (4) and the first connecting block (3) via a first movable shaft (5).

5. The shock absorbing device for a reduction gearbox housing according to claim 1, characterized in that: The two movable plates (6) are cross-connected, and a second movable shaft (11) is movably connected between both sides of the damper (10) and the two movable plates (6).

6. The shock absorbing device of a reduction gearbox housing according to claim 1, characterized in that: The two U-shaped elastic plates (14) and the two guide blocks (8) are fixed by bolts.

7. The shock absorbing device for a reduction gearbox housing according to claim 1, characterized in that: There are two reduction gearbox housings (1), and the two reduction gearbox housings (1) are fixed together by screws.

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