CN212868380U

CN212868380U - Noise-reducing dustproof protection device for speed reducer

Info

Publication number: CN212868380U
Application number: CN202021462176.6U
Authority: CN
Inventors: 李晓丽; 李冲
Original assignee: Tianjin Zhengda Huatong Technology Co ltd
Current assignee: Tianjin Zhengda Huatong Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-02
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a reduction gear is with making an uproar dustproof protection device that falls, including the box, the reduction gear is fixed inside the box, and the box lateral wall has the shaft hole with reduction gear output shaft adaptation, and box and chamber door swing joint still include and fall structure, first shock-absorbing structure, ventilation cooling structure, first shock-absorbing structure fixes in the bottom half, it is including fixing to fall the structure of making an uproar the sound absorption layer and the second shock-absorbing structure of box inner wall, sound absorption layer and second shock-absorbing structure fixed connection, adjacent through first elastic component and elastic ball fixed connection between the second shock-absorbing structure, the sound absorption layer is the crest sound absorption cotton layer, the porous sound-absorbing layer of mineral wool, the double-deck sound-proof glass board of vacuum and polyester fiber soundboard sound absorption from inside to outside in proper order. The beneficial effects of the utility model are that, reduce the reduction gear and transmit for external noise.

Description

Noise-reducing dustproof protection device for speed reducer

Technical Field

The utility model relates to a reduction gear protection device technical field, especially a reduction gear is with making an uproar dustproof protection device that falls.

Background

The speed reducer is an independent closed transmission device between a prime motor and a working machine and is used for reducing the rotating speed and increasing the torque, the speed reducer can generate great noise in the use process, the noise is from the friction of a transmission part in the speed reducer on one hand, and on the other hand, the noise is from the vibration of the speed reducer on a workbench at the bottom of the speed reducer in the working process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, a dustproof protection device of making an uproar falls for speed reducer has been designed, including the box, the speed reducer is fixed inside the box, the box lateral wall have with the shaft hole of reduction gear output shaft adaptation, box and chamber door swing joint still including falling structure, first shock-absorbing structure, ventilation cooling structure of making an uproar, first shock-absorbing structure is fixed in the bottom half, it is including fixing to fall the structure of making an uproar the sound absorption layer and the second shock-absorbing structure of box inner wall, sound absorption layer and second shock-absorbing structure fixed connection are adjacent through first elastic component and elastic ball fixed connection between the second shock-absorbing structure.

The sound absorption layer comprises a wave crest sound absorption cotton layer, a mineral wool porous sound absorption layer, a vacuum double-layer sound insulation glass plate and a polyester fiber sound absorption plate from inside to outside in sequence.

The second shock-absorbing structure comprises a guide sleeve fixed on the partition plate and a guide rod fixedly connected with the sound absorption layer, the guide sleeve is sleeved with the guide rod, the outer wall of the guide sleeve is simultaneously located on the outer side of the guide rod, the guide rod is fixedly connected with a limiting bulge, and the partition plate is fixed inside the box body. The first elastic piece is fixedly connected with the second elastic piece, and the elastic ball is arranged between the two second elastic pieces.

The first shock absorption structure comprises a first fixing plate fixed at the bottom of the box body, at least three first connecting columns are uniformly distributed on one side of the first fixing plate, the connecting column extends into the groove on the second connecting column, a third elastic piece is arranged in the groove, the second connecting column corresponds to the first connecting column and is fixed on a second fixing plate, the second fixing plate is arranged in the damping box body, a fourth elastic piece is fixed at the lower part of the edge of the second fixing plate, the other end of the fourth elastic element is fixedly connected with a supporting seat, one end of the supporting seat is fixed on the inner wall of the damping box, the other end of the supporting seat is fixed on a fixed rod, the fixed plate is sleeved with a fifth elastic piece, the fifth elastic piece is fixedly connected with a sliding block, the sliding block is rotatably connected with a connecting rod, and the connecting rod is rotatably connected with the second fixed plate.

The ventilation and heat dissipation structure comprises a fan fixed at the top of the box body, heat dissipation holes are formed in the side wall of the box body, and dustproof filter screens are installed in the areas, provided with the heat dissipation holes, on the outer side wall of the box body.

The side wall of the box body is fixedly provided with a coiled pipe, the tail end of the coiled pipe is connected with a water pump, and the water pump is installed outside the box body.

Utilize the technical scheme of the utility model a speed reducer is with making an uproar dustproof protection device that falls, the beneficial effect who reaches: the sound absorption layer consisting of the wave crest sound absorption cotton layer, the mineral wool porous sound absorption layer, the vacuum double-layer sound insulation glass plate and the polyester fiber sound absorption plate is arranged on the inner wall of the box body, so that the noise generated by mutual friction of transmission parts in the speed reducer in the working process is reduced; the second damping structure is arranged to buffer the vibration generated by the speed reducer in the working process, so that the noise transmitted to the outside of the box body is reduced; the disc-shaped pipe is arranged to play a role in reducing the temperature, the disc-shaped structure is selected to increase the flow area of the cooling medium in the box body, and the cooling time is prolonged.

Drawings

Fig. 1 is a schematic structural view of a noise reduction and dust prevention protection device for a speed reducer according to the present invention;

fig. 2 is a schematic structural view of a second damping structure of the noise-reducing and dust-preventing protection device for the speed reducer according to the present invention;

fig. 3 is a schematic view of a sound absorption layer structure of the noise reduction and dust prevention protection device for the reducer according to the present invention;

fig. 4 is a schematic structural view of a first shock-absorbing structure of the noise-reducing and dust-preventing protection device for the speed reducer according to the present invention;

fig. 5 is a side view of the noise reduction and dust prevention device for the reducer of the present invention;

FIG. 6 is a schematic structural view of a disk-shaped pipe of the noise-reducing and dust-proof protection device for a speed reducer according to the present invention;

in the figure, 1, a box body; 2. a speed reducer; 3. a shaft hole; 4. a first shock-absorbing structure; 41. a first fixing plate; 42. a first connecting column; 43. a second connecting column; 44. a groove; 45. a third elastic member; 46. a second fixing plate; 47. a fourth elastic member; 48. a supporting seat; 49. a damper box; 410. fixing the rod; 411. a fifth elastic member; 412. a slider; 413. a connecting rod; 5. a second shock-absorbing structure; 51. a guide sleeve; 52. a partition plate; 53. a guide bar; 54. a second elastic member; 55. a limiting bulge; 6. a first elastic member; 7. an elastic ball; 8. a sound absorbing layer; 81. a wave crest sound absorption cotton layer; 82. a mineral wool porous sound absorption layer; 83. a vacuum double-layer sound-insulating glass plate; 84. a polyester fiber acoustic panel; 9. a fan; 10. heat dissipation holes; 11. a dustproof filter screen; 12. a coiled tube; 13. a box door; 14. a first water pump; 15. a second water tank; 16. a second water pump; 17. a first water tank.

Detailed Description

For better understanding of the present invention, the present invention will be further described with reference to the following embodiments and accompanying drawings, as shown in fig. 1 to 6, a noise reduction and dust prevention device for a speed reducer. Including box 1, reduction gear 2 fixes inside

box

1, 1 lateral wall of box have with the shaft hole 3 of 2 output shaft adaptations of reduction gear,

box

1 and 13 swing joint of chamber door, still including falling noise structure, first shock-absorbing structure 4, ventilation cooling structure, first shock-absorbing structure 4 is fixed in the box 1 bottom, it is including fixing to fall noise structure the sound absorption layer 8 and the second shock-absorbing structure 5 of 1 inner wall of box,

sound absorption layer

8 and 5 fixed connection of second shock-absorbing structure, adjacent through first elastic component 6 and elastic ball 7 fixed connection between the second shock-absorbing structure 5.

The sound absorption layer 8 comprises a wave crest sound absorption cotton layer 81, a mineral wool porous sound absorption layer 82, a vacuum double-layer sound insulation glass plate 83 and a polyester fiber sound absorption plate 84 from inside to outside in sequence. The sound absorbing layer 8 formed by the wave crest sound absorbing cotton layer 81, the mineral wool porous sound absorbing layer 82, the vacuum double-layer sound insulating glass plate 83 and the polyester fiber sound absorbing plate 84 can effectively play a role in noise reduction, and when the internal transmission parts of the speed reducer rub with each other to generate noise, the noise transmitted to the outside of the box body 1 can be reduced through the sound absorbing layer 8.

Second shock-absorbing structure 5 is including fixing at the uide bushing 51 of division board 52, with sound absorbing layer 8 fixed connection's guide bar 53, uide bushing 51 with guide bar 53 cup joints, and the cover of second elastic component 54 is established uide bushing 51 outer wall is located simultaneously the guide bar 53 outside, guide bar 53 fixedly connected with is spacing protruding 55, division board 52 is fixed inside box 1. 2 working processes of reduction gear produce the vibration, and the vibration transmission also can cause the noise for the box and then transmits for workstation or ground, sets up the vibration reduction that second shock-absorbing structure 5 will transmit ground, and then noise abatement. When vibration is transmitted to the box body 1, the second elastic piece 54 plays a buffering role, the guide sleeve 51 and the guide rod 53 slide relatively, and the limiting protrusion 55 enables the guide rod 53 not to be separated from the guide sleeve 51. Wherein the second elastic member 54 may be a spring.

The first elastic member 6 is fixedly connected with the second elastic member 54, and the elastic ball 7 is disposed between the two second elastic members 54. The elastic ball 7 is arranged between the two first elastic parts 54, the first elastic parts 54 can be selected from springs, the first elastic parts 54 and the second elastic parts 54 are arranged in a mutually vertical mode, and the first elastic parts 54, the second damping structures 5 and the elastic balls 7 are mutually matched to play a role in damping vibration transmitted to the box body 1, so that the generated noise is reduced.

The first damping structure 4 comprises a first fixing plate 41 fixed at the bottom of the box body 1, at least three first connecting columns 42 are uniformly distributed on one side of the first fixing plate 41, the connecting columns extend into a groove 44 on a second connecting column 43, a third elastic element 45 is arranged in the groove 44, the second connecting column 43 corresponds to the first connecting column 42, the second connecting column 43 is fixed on a second fixing plate 46, the second fixing plate 46 is arranged in the damping box 49 body 1, a fourth elastic element 47 is fixed at the lower part of the edge of the second fixing plate 46, the other end of the fourth elastic element 47 is fixedly connected with a supporting seat 48, one end of the supporting seat 48 is fixed on the inner wall of the damping box 49, the other end of the supporting seat is fixed on a fixing rod 410, a fifth elastic element 411 is sleeved on the fixing plate, and the fifth elastic element 411 is fixedly connected with a sliding block 412, the sliding block 412 is rotatably connected to a connecting rod 413, and the connecting rod 413 is rotatably connected to the second fixing plate 46. Wherein the third elastic member 45, the fourth elastic member 47 and the fifth elastic member 411 are all springs. First shock-absorbing structure 4 is fixed in the box 1 bottom, play the cushioning effect, when the vibration is transmitted to box 1 bottom, first fixed plate 41 atress at first, use third elastic component 45 with first fixed plate 41 fixed connection's first spliced pole 45, realize the one-level buffering, on second fixed plate 46 is used to second spliced pole 43 again, second fixed plate 46 compresses fourth elastic component 47 and then continues downstream, realize the second grade buffering, last connecting rod 413 drive slider 412 realizes the slip on dead lever 410, second shock-absorbing structure 4 avoids box 1 to rock.

The ventilation and heat dissipation structure comprises a fan 9 fixed at the top of the box body 1, heat dissipation holes 10 are formed in the side wall of the box body 1, and a dustproof filter screen 11 is installed in the region where the heat dissipation holes 10 are formed in the outer side wall of the box body 1. A coiled pipe 12 is fixed on the side wall of the box body 1, the coiled pipe 12 is connected with a water outlet of a first water pump 14, the coiled pipe 12 is installed inside the box body 1, the tail end of the coiled pipe is connected with a second water tank 15, the second water tank 15 is communicated with a water inlet of a second water pump 16, a water outlet of the second water pump 16 is communicated with a water inlet of a first water tank 17, a water outlet of the first water tank 17 is communicated with a water inlet of the first water pump 14, circulation is formed among the first water tank 17, the first water pump 14, the second water tank 15 and the second water pump 16 and the coiled pipe 12, a cooling medium such as water cools the inside of the box body 1 through the coiled pipe 12, a radiating pipe is disk-shaped and can increase the contact area, the first water pump 14 supplies cold water to the coiled pipe 12, the temperature of radiating holes in the box body 1 is reduced through the coiled pipe 12, a fan 9 is installed, the arrangement of the heat dissipation holes 10 can cause dust to enter the interior of the box body 1 through the heat dissipation holes 10, and a dustproof filter screen 11 is arranged on the outer wall of the box body 1.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a dustproof protection device of making an uproar falls for speed reducer, includes box (1), and speed reducer (2) are fixed inside box (1), and box (1) lateral wall has shaft hole (3) with speed reducer (2) output shaft adaptation, box (1) and chamber door (13) swing joint, its characterized in that, including falling the structure of making an uproar, first shock-absorbing structure (4), ventilation cooling structure, first shock-absorbing structure (4) are fixed in box (1) bottom, it is including fixing to fall the structure of making an uproar inhale sound layer (8) and second shock-absorbing structure (5) of box (1) inner wall, inhale sound layer (8) and second shock-absorbing structure (5) fixed connection, it is adjacent through first elastic component (6) and elastic ball (7) fixed connection between second shock-absorbing structure (5).

2. A noise-reducing and dust-proof protection device for a speed reducer according to claim 1, wherein the sound-absorbing layer (8) comprises a wave-crest sound-absorbing cotton layer (81), a mineral wool porous sound-absorbing layer (82), a vacuum double-layer sound-insulating glass plate (83) and a polyester fiber sound-absorbing plate (84) from inside to outside.

3. The noise-reducing and dust-preventing protection device for the speed reducer is characterized in that the second damping structure (5) comprises a guide sleeve (51) fixed on a partition plate (52) and a guide rod (53) fixedly connected with a sound absorption layer (8), the guide sleeve (51) is sleeved with the guide rod (53), a second elastic piece (54) is sleeved on the outer wall of the guide sleeve (51) and located on the outer side of the guide rod (53), a limiting protrusion (55) is fixedly connected with the guide rod (53), and the partition plate (52) is fixed inside the box body (1).

4. A noise-reducing and dust-preventing device for a speed reducer according to claim 3, wherein said first elastic member (6) is fixedly connected to said second elastic member (54), and said elastic ball (7) is disposed between said second elastic members (54).

5. The noise-reducing and dust-preventing protection device for the speed reducer is characterized in that the first damping structure (4) comprises a first fixing plate (41) fixed at the bottom of the box body (1), at least three first connecting columns (42) are uniformly distributed on one side of the first fixing plate (41), the first connecting columns (42) extend into grooves (44) on second connecting columns (43), third elastic members (45) are arranged in the grooves (44), the second connecting columns (43) correspond to the first connecting columns (42), the second connecting columns (43) are fixed on a second fixing plate (46), the second fixing plate (46) is arranged inside a damping box (49), fourth elastic members (47) are fixed at the lower part of the edge of the second fixing plate (46), and the other end of each fourth elastic member (47) is fixedly connected with a supporting seat (48), supporting seat (48) one end is fixed at damper box (49) inner wall, and the other end is fixed on dead lever (410), fifth elastic component (411) has been cup jointed on dead lever (410), fifth elastic component (411) and slider (412) fixed connection, slider (412) are rotated with connecting rod (413) and are connected, connecting rod (413) with second fixed plate (46) are rotated and are connected.

6. The noise-reducing and dust-preventing protection device for the speed reducer according to claim 1, wherein the ventilation and heat dissipation structure comprises a fan (9) fixed at the top of the box body (1), heat dissipation holes (10) are formed in the side wall of the box body (1), and a dust-preventing filter screen (11) is installed in a region where the heat dissipation holes (10) are formed in the outer side wall of the box body (1).

7. A noise-reducing and dust-proof protector for speed reducer according to claim 6, characterized in that the side wall of the box body (1) is fixed with a coiled pipe (12).