CN216112072U

CN216112072U - Mute type gear speed reducer

Info

Publication number: CN216112072U
Application number: CN202122242664.7U
Authority: CN
Inventors: 王占鹏
Original assignee: Jilin Chengjiu Seiko Technology Co ltd
Current assignee: Jilin Chengjiu Seiko Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-22
Anticipated expiration: 2031-09-16

Abstract

The utility model belongs to the technical field of gear speed reducers, and particularly relates to a silent gear speed reducer which comprises a base, an upper shell and a lower shell, wherein the upper shell and the lower shell are of a concave structure, a bolt is commonly connected between the upper shell and the lower shell, four groups of damping assemblies are commonly arranged between the base and the lower shell, a speed reducer body is commonly arranged in inner cavities of the upper shell and the lower shell, a power shaft is arranged at the front end of the speed reducer body, a silent assembly is arranged on the upper shell, and the upper shell and the lower shell are identical in composition structure. According to the utility model, through the arrangement of the damping assembly, the device is buffered and damped, and meanwhile, the vibration generated when the gear reducer operates is reduced, so that the noise can be effectively weakened, the effect of silencing and reducing noise is achieved, the vibration force generated by the device is greatly reduced, the stability of the device is improved, the use of an operator is more convenient, and the service life of the device is prolonged.

Description

Mute type gear speed reducer

Technical Field

The utility model relates to the technical field of gear speed reducers, in particular to a silent gear speed reducer.

Background

The gear reducer is an external-meshing involute helical gear reducer produced according to national professional standards, is a slewing mechanism widely applied to east China and used for tower-introduced crane machinery, and is widely applied to the fields of metallurgy, mines, hoisting, transportation, cement, construction, chemical engineering, textile, printing and dyeing, pharmacy and the like, is generally used for low-rotating-speed and high-torque transmission equipment, and has ideal speed reduction effect on a plurality of pairs of gears with the same principle in a common speed reducer of a motor, wherein the ratio of the number of the large gear and the small gear is the transmission ratio, and with the continuous development of the sincere machine industry, more and more enterprises use the speed reducer; among the prior art, the speed reducer can produce very big noise when at the during operation, meshing rotation between two gears in the speed reducer, very big influence worker operational environment on every side, and the result of use is not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a silent gear speed reducer, which solves the problems in the background technology.

The second technical proposal.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a silence type gear reducer, includes base, last casing and lower casing, it is character cut in bas-relief structure with lower casing to go up the casing, go up and be connected with the bolt jointly between casing and the lower casing, be equipped with four group's damper assembly jointly between base and the lower casing, go up the casing and install the speed reducer body jointly with the inner chamber of lower casing, speed reducer body front end is equipped with the power shaft, upward be equipped with the silence subassembly on the casing, it is the same with the component structure of casing down to go up the casing.

Furthermore, the silence component comprises an annular groove formed in the lower end wall of the upper shell, a foam board is filled in the annular groove, a rock wool sound-absorbing board is installed on the inner cavity wall of the upper shell, and an asphalt damping sound-insulating board is installed in the inner cavity of the rock wool sound-absorbing board.

Further, rock wool abatvoix, pitch damping acoustic celotex board and last casing are inside cavity and lower extreme open-ended rectangle structure.

Further, damper is including installing the sleeve on the base, the sleeve is inside cavity and upper end open-ended cylindrical structure, the slide bar is installed to the bottom of casing down, the slide bar slides inside the sleeve, the sliding block is installed to the bottom of slide bar, telescopic inner chamber top is equipped with the annular slab, the spring is installed to the bottom of sliding block, the spring is connected with telescopic inner chamber diapire, the gag lever post is installed to the surface upper wall of slide bar, hollow post is installed on telescopic surface upper portion.

Further, the gag lever post slides in hollow post, the gag lever post is the zigzag structure, the size of slide bar and the inner chamber size phase-match of annular slab, the size and the telescopic inner chamber size phase-match of sliding block.

Furthermore, a group of vertically through mounting holes is formed in the upper end of the base.

(III) advantageous effects

Compared with the prior art, the utility model provides a silent gear speed reducer, which has the following beneficial effects:

according to the utility model, through the arrangement of the damping component, the device is buffered and damped, and meanwhile, the vibration generated when the gear reducer operates is reduced, so that the noise can be effectively weakened, the effect of silencing and reducing noise is achieved, the vibration force generated by the device is greatly reduced, the stability of the device is improved, an operator can use the device more conveniently, the damage condition of the device caused by vibration is reduced, and the service life of the device is prolonged; through the setting of silence subassembly, carry out the mode of making an uproar falls in the multilayer to the gear reducer, great blockking the propagation of noise, solved the speed reducer among the prior art can produce a large amount of noises, influence operational environment, make workman's the phenomenon of the mood fidgetiness when using, the result of use is better, the practicality strengthens greatly.

Drawings

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

fig. 2 is a schematic view of the installation position of the speed reducer body according to the present invention;

FIG. 3 is a schematic structural diagram of a mute assembly according to the present invention;

fig. 4 is a schematic structural view of a shock-absorbing assembly of the present invention.

In the figure: 1. a base; 2. a lower housing; 3. an upper housing; 4. a bolt; 5. a shock absorbing assembly; 51. a sleeve; 52. a slide bar; 53. a slider; 54. an annular plate; 55. a spring; 56. a limiting rod; 57. a hollow column; 6. mounting holes; 7. a speed reducer body; 8. a power shaft; 9. a mute component; 91. an annular groove; 92. a foam board; 93. rock wool acoustic panels; 94. asphalt damping acoustical panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, a silent gear reducer according to an embodiment of the present invention includes a base 1, an upper casing 3, and a lower casing 2, where the upper casing 3 and the lower casing 2 are both in a recessed structure, a bolt 4 is commonly connected between the upper casing 3 and the lower casing 2, four sets of damping assemblies 5 are commonly disposed between the base 1 and the lower casing 2, a reducer body 7 is commonly installed in an inner cavity of the upper casing 3 and the lower casing 2, a power shaft 8 is disposed at a front end of the reducer body 7, a silent assembly 9 is disposed on the upper casing 3, and the upper casing 3 and the lower casing 2 have the same composition structure; when the device is used, the damping assembly 5 is arranged to buffer and damp the device, and meanwhile, the vibration generated when the gear reducer operates is reduced, so that the noise can be effectively weakened, the effect of muting and reducing noise is achieved, the vibration force generated by the device is greatly reduced, the stability of the device is improved, an operator can use the device more conveniently, accidents caused by vibration are reduced, and the service life of the device is prolonged; through the setting of silence subassembly 9, carry out the mode of making an uproar falls in the multilayer to the gear reducer, great blockking the propagation of noise, solved the speed reducer among the prior art can produce a large amount of noises, influence operational environment, make workman's the phenomenon of the mood fidgetiness when using, the result of use is better, the practicality strengthens greatly.

As shown in fig. 3, in some embodiments, the silencing assembly 9 includes an annular groove 91 formed in the lower end wall of the upper casing 3, a foam board 92 is filled in the annular groove 91, a rock wool sound-absorbing board 93 is installed on the inner cavity wall of the upper casing 3, and an asphalt damping sound-insulating board 94 is installed in the inner cavity of the rock wool sound-absorbing board 93; during the use, carry out the separation through pitch damping acoustic celotex board 94 to gear revolve's noise, adsorb the noise through rock wool abatvoix 93, through cystosepiment 92, block the noise, block the volume through last casing 3 at last, adopt the mode that the multilayer blockked, the noise reduction of noise has been strengthened greatly, the propagation of noise has been blockked, the speed reducer of having solved among the prior art can produce a large amount of noises when using, influence operational environment, make workman's the phenomenon of mood dysphoria, the result of use is better, the practicality strengthens greatly.

As shown in fig. 3, in some embodiments, the rock wool sound-absorbing board 93, the asphalt damping sound-insulating board 94 and the upper shell 3 are all rectangular structures with hollow interiors and open lower ends, so as to be conveniently attached to the upper shell 3, enhance the sound-insulating effect of the device, and achieve good noise reduction effect.

As shown in fig. 4, in some embodiments, the damping assembly 5 includes a sleeve 51 mounted on the base 1, the sleeve 51 is a cylindrical structure with a hollow interior and an open upper end, a sliding rod 52 is mounted at the bottom end of the lower housing 2, the sliding rod 52 slides inside the sleeve 51, a sliding block 53 is mounted at the bottom of the sliding rod 52, an annular plate 54 is disposed at the top of an inner cavity of the sleeve 51, a spring 55 is mounted at the bottom end of the sliding block 53, the spring 55 is connected with the bottom wall of the inner cavity of the sleeve 51, a limiting rod 56 is mounted on the upper wall of the outer surface of the sliding rod 52, and a hollow column 57 is mounted on the upper part of the outer surface of the sleeve 51; when the device is used, the sliding rod 52 is extruded due to the heavy load, the sliding rod 52 and the sliding block 53 stretch and retract through the expansion of the spring 55 and then buffer in the sleeve 51, meanwhile, the limiting rod 56 slides in the hollow column 57 for limiting, meanwhile, the vibration generated when the gear reducer operates is reduced, the noise can be effectively weakened, the effect of silencing and reducing the noise is achieved, the vibration force generated by the device is greatly reduced, the stability of the device is improved, an operator can use the device more conveniently, the accidents caused by vibration are reduced, and the service life of the device is prolonged.

As shown in fig. 4, in some embodiments, the limiting rod 56 slides in the hollow column 57, the limiting rod 56 has a zigzag structure, so that the phenomenon that the limiting rod 56 slides out of the hollow column 57 is avoided, the size of the sliding rod 52 is matched with the size of the inner cavity of the annular plate 54, the size of the sliding block 53 is matched with the size of the inner cavity of the sleeve 51, and the sliding block 53 is limited by the annular plate 54, so that the separation phenomenon is avoided.

As shown in fig. 1, in some embodiments, a set of mounting holes 6 is formed at the upper end of the base 1, so that the mounting is convenient and the use is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a silence formula gear reducer, includes base (1), goes up casing (3) and casing (2) down, its characterized in that: go up casing (3) and lower casing (2) and be character cut in bas-relief structure, go up casing (3) and be connected with bolt (4) between casing (2) down jointly, be equipped with four group's shock attenuation subassemblies (5) between base (1) and lower casing (2) jointly, go up casing (3) and install speed reducer body (7) jointly with the inner chamber of casing (2) down, speed reducer body (7) front end is equipped with power shaft (8), upward be equipped with silence subassembly (9) on casing (3), it is the same with the component structure of casing (2) down to go up casing (3).

2. A silent gear reducer as claimed in claim 1, wherein: silence subassembly (9) is including offering annular groove (91) at last casing (3) lower extreme wall, annular groove (91) intussuseption is filled with cystosepiment (92), rock wool abatvoix (93) are installed to the inner chamber wall of going up casing (3), pitch damping acoustic celotex board (94) are installed to the inner chamber of rock wool abatvoix (93).

3. A silent gear reducer as claimed in claim 2, wherein: rock wool abatvoix (93), pitch damping acoustic celotex board (94) and last casing (3) are inside cavity and lower extreme open-ended rectangle structure.

4. A silent gear reducer as claimed in claim 1, wherein: damper (5) are including installing sleeve (51) on base (1), sleeve (51) are inside cavity and upper end open-ended cylindrical structure, slide bar (52) are installed to the bottom of casing (2) down, slide bar (52) slide inside sleeve (51), sliding block (53) are installed to the bottom of slide bar (52), the inner chamber top of sleeve (51) is equipped with annular slab (54), spring (55) are installed to the bottom of sliding block (53), spring (55) are connected with the inner chamber diapire of sleeve (51), gag lever post (56) are installed to the surface upper wall of slide bar (52), hollow post (57) are installed on the surface upper portion of sleeve (51).

5. The silent gear reducer according to claim 4, wherein: the limiting rod (56) slides in the hollow column (57), the limiting rod (56) is of a Z-shaped structure, the size of the sliding rod (52) is matched with that of the inner cavity of the annular plate (54), and the size of the sliding block (53) is matched with that of the inner cavity of the sleeve (51).

6. A silent gear reducer as claimed in claim 1, wherein: the upper end of the base (1) is provided with a group of vertically through mounting holes (6).