CN214946129U - Gear speed reducer capable of effectively reducing noise in operation - Google Patents
Gear speed reducer capable of effectively reducing noise in operation Download PDFInfo
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- CN214946129U CN214946129U CN202121488042.6U CN202121488042U CN214946129U CN 214946129 U CN214946129 U CN 214946129U CN 202121488042 U CN202121488042 U CN 202121488042U CN 214946129 U CN214946129 U CN 214946129U
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Abstract
The utility model provides an effectively reduce gear reducer of noise in service. The technical scheme optimizes the transmission mode between the gears. Specifically, the central bevel gear and the peripheral bevel gear ring are fixed on the annular seat, so that an integrated rotating mechanism is constructed; for the rotating mechanism, the annular seat is rotationally connected with the shell of the speed reducer through a group of bearings, meanwhile, the central bevel gear is rotationally connected with the ball cage through another bearing, and the bearing structure of the double bearings can ensure that the rotating mechanism has better stability. On the basis, the two sides of the ball cage are respectively provided with the transmission bevel gears, and the two groups of transmission bevel gears are meshed with the central bevel gear and the driven bevel gear at the same time, so that transmission is carried out between the central bevel gear and the driven bevel gear, and the support effect is achieved from the two sides, and the stability of the driven bevel gear is improved. The utility model discloses mechanical vibration in the gear drive can fully be alleviated to noise reduction and increase of service life.
Description
Technical Field
The utility model relates to a speed reducer technical field, concretely relates to effectively reduce gear reducer of noise in service.
Background
The reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.
The main purpose of the reducer is to reduce the rotational speed and increase the torque. The gear reducer is various in types and can be divided into a gear reducer, a worm gear reducer, a planetary gear reducer and the like according to the transmission type; the speed reducer can be divided into a single-stage speed reducer and a multi-stage speed reducer according to different transmission stages; according to the shape of the gear, the gear can be divided into a cylindrical gear reducer, a conical gear reducer and a conical-cylindrical gear reducer; according to the arrangement form of transmission, the speed reducer can be divided into an expanded speed reducer, a split-flow speed reducer and a coaxial speed reducer.
The gear reducer is mainly a reducer which realizes transmission by gears, has the characteristics of small volume, large transmission torque and the like, but has obvious operation vibration. The vibrations during operation not only cause noise, but in extreme cases may also lead to mechanical damage such as root fracture, which has a direct effect on the stability and service life of the device.
Disclosure of Invention
The utility model discloses aim at to prior art's technical defect, provide a gear reducer who effectively reduces noise in service to solve conventional gear reducer comparatively obvious technical problem of mechanical vibration in service.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a gear reducer capable of effectively reducing noise in operation comprises a ball cage, a transmission bevel gear, an output shaft, a driven bevel gear, a central bevel gear, a peripheral bevel gear ring, an annular seat, a first bearing seat, a driving bevel gear and an input shaft, wherein the ball cage is fixedly connected with the shell of the gear reducer, two sides in the ball cage are respectively provided with a transmission bevel gear through a bearing, a driven bevel gear is fixedly connected at the tail end of the output shaft, the driven bevel gear extends into the ball cage and is meshed with the two transmission bevel gears, the lower end of the ball cage is provided with a central bevel gear through a bearing, the central bevel gear and the peripheral bevel gear ring are respectively and fixedly connected with the annular seat, the lower end of the annular seat is provided with a first bearing seat which is rotationally connected with the shell of the gear reducer through a bearing, a driving bevel gear is fixedly connected on the input shaft, and the driving bevel gear is meshed with the peripheral bevel gear ring.
Preferably, a short shaft is fixedly connected to the lower end of the central bevel gear, a plurality of short rods are fixedly connected to the lower end of the peripheral bevel gear ring, the central bevel gear is fixedly connected with the annular seat through the short shaft, and the peripheral bevel gear ring is fixedly connected with the annular seat through the short rods.
Preferably, the top end of the ball cage is provided with a through hole, and the output shaft extends into the ball cage through the through hole.
Preferably, the lower end of the cage has a second bearing block on which a bearing is arranged, to which a central bevel gear is connected.
Preferably, a bearing is arranged at the top of the shell of the gear reducer, and an output shaft is connected to the bearing; and a bearing is arranged at the side end of the shell of the gear reducer, and the input shaft is connected to the bearing.
In the above technical solutions, the ball cage is used for being fixed inside a casing of the speed reducer on one hand, and is used for bearing components such as a transmission bevel gear, a central bevel gear and the like on the other hand; the number of the transmission bevel gears is 2, the transmission bevel gears and the transmission bevel gears not only have a transmission effect between the central bevel gear and the driven bevel gear, but also have a supporting effect on the driven bevel gear from two sides, and the stability of the transmission bevel gear is ensured; the output shaft is used for connecting a working machine; the input shaft is used for connecting a prime motor; a drive bevel gear at the end of the input shaft for transmitting the rotational motion of the prime mover to the peripheral bevel gear ring for rotation thereof; the peripheral bevel gear ring and the central bevel gear are fixed with the annular seat, so that the central bevel gear can be driven to rotate; the first bearing seat at the lower end of the annular seat is used for being rotationally connected with a shell of the speed reducer, so that the whole body formed by the peripheral bevel gear ring, the annular seat and the central bevel gear can rotate on the inner wall of the shell of the speed reducer; the rotary motion of the central bevel gear is transmitted to the driven bevel gear through the transmission bevel gear, so that the output shaft is driven to rotate, and further, the low-speed rotary motion with high torque is output to the working machine.
The utility model provides an effectively reduce gear reducer of noise in service. The technical scheme optimizes the transmission mode between the gears. Specifically, the central bevel gear and the peripheral bevel gear ring are fixed on the annular seat, so that an integrated rotating mechanism is constructed; for the rotating mechanism, the annular seat is rotationally connected with the shell of the speed reducer through a group of bearings, meanwhile, the central bevel gear is rotationally connected with the ball cage through another bearing, and the bearing structure of the double bearings can ensure that the rotating mechanism has better stability. On the basis, the two sides of the ball cage are respectively provided with the transmission bevel gears, and the two groups of transmission bevel gears are meshed with the central bevel gear and the driven bevel gear at the same time, so that transmission is carried out between the central bevel gear and the driven bevel gear, and the support effect is achieved from the two sides, and the stability of the driven bevel gear is improved. The utility model discloses mechanical vibration in the gear drive can fully be alleviated to noise reduction and increase of service life.
Drawings
Fig. 1 is a perspective view of the present invention as a whole from one viewing angle;
FIG. 2 is a front view of the present invention as a whole;
fig. 3 is a perspective view of the present invention as a whole from another perspective;
FIG. 4 is a perspective view of the ball cage of the present invention;
FIG. 5 is a perspective view of the central bevel gear and the short shaft of the present invention;
in the figure:
1. ball cage 2, transmission bevel gear 3, output shaft 4, driven bevel gear
5. Central bevel gear 6, peripheral bevel gear ring 7, annular seat 8, first bearing seat
9. Active bevel gear 10, input shaft 11, short shaft 12 and short rod
13. Through hole 14, second bearing seat.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A gear reducer capable of effectively reducing noise in operation comprises a ball cage 1, transmission bevel gears 2, an output shaft 3, driven bevel gears 4, a central bevel gear 5, a peripheral bevel gear ring 6, an annular seat 7, a first bearing seat 8, a driving bevel gear 9 and an input shaft 10, wherein the ball cage 1 is fixedly connected with a shell of the gear reducer, the transmission bevel gears 2 are respectively arranged at two sides of the interior of the ball cage 1 through bearings, the driven bevel gear 4 is fixedly connected at the tail end of the output shaft 3, the driven bevel gear 4 extends into the ball cage 1 and is meshed with the two transmission bevel gears 2, the central bevel gear 5 is arranged at the lower end of the ball cage 1 through a bearing, the central bevel gear 5 and the peripheral bevel gear ring 6 are respectively and fixedly connected with the annular seat 7, the first bearing seat 8 is arranged at the lower end of the annular seat 7, and the first bearing seat 8 is rotatably connected with the shell of the gear reducer through a bearing, a driving bevel gear 9 is fixed to the input shaft 10, and the driving bevel gear 9 is engaged with the peripheral bevel ring gear 6.
The gear reducer has the following structural characteristics: the ball cage 1 is used for being fixed inside a shell of the speed reducer on one hand and is used for bearing components such as a transmission bevel gear 2, a central bevel gear 5 and the like on the other hand; the number of the transmission bevel gears 2 is 2, the transmission bevel gears and the transmission bevel gears not only have a transmission function between the central bevel gear 5 and the driven bevel gear 4, but also have a supporting function on the driven bevel gear 4 from two sides, and the stability of the transmission bevel gears is ensured; the output shaft 3 is used for connecting a working machine; the input shaft 10 is used for connecting a prime mover; a drive bevel gear 9 at the end of the input shaft 10 for transmitting the rotational motion of the prime mover to the peripheral bevel gear ring 6 for rotation thereof; because the peripheral bevel gear ring 6 and the central bevel gear 5 are both fixed with the annular seat 7, the central bevel gear 5 can be driven to rotate; the first bearing seat 8 positioned at the lower end of the annular seat 7 is used for being rotationally connected with the shell of the speed reducer, so that the whole body formed by the peripheral bevel gear ring 6, the annular seat 7 and the central bevel gear 5 can do rotary motion on the inner wall of the shell of the speed reducer; the rotational motion of the central bevel gear 5 is transmitted to the driven bevel gear 4 through the transmission bevel gear 2, thereby driving the output shaft 3 to rotate, and further outputting a low-speed rotational motion of a large torque to the working machine.
Example 2
A gear reducer capable of effectively reducing noise in operation comprises a ball cage 1, transmission bevel gears 2, an output shaft 3, driven bevel gears 4, a central bevel gear 5, a peripheral bevel gear ring 6, an annular seat 7, a first bearing seat 8, a driving bevel gear 9 and an input shaft 10, wherein the ball cage 1 is fixedly connected with a shell of the gear reducer, the transmission bevel gears 2 are respectively arranged at two sides of the interior of the ball cage 1 through bearings, the driven bevel gear 4 is fixedly connected at the tail end of the output shaft 3, the driven bevel gear 4 extends into the ball cage 1 and is meshed with the two transmission bevel gears 2, the central bevel gear 5 is arranged at the lower end of the ball cage 1 through a bearing, the central bevel gear 5 and the peripheral bevel gear ring 6 are respectively and fixedly connected with the annular seat 7, the first bearing seat 8 is arranged at the lower end of the annular seat 7, and the first bearing seat 8 is rotatably connected with the shell of the gear reducer through a bearing, a driving bevel gear 9 is fixed to the input shaft 10, and the driving bevel gear 9 is engaged with the peripheral bevel ring gear 6.
Wherein, the lower end of the central bevel gear 5 is fixedly connected with a short shaft 11, the lower end of the peripheral bevel gear ring 6 is fixedly connected with a plurality of short rods 12, the central bevel gear 5 is fixedly connected with the annular seat 7 through the short shaft 11, and the peripheral bevel gear ring 6 is fixedly connected with the annular seat 7 through the short rods 12. The top end of the ball cage 1 is provided with a through hole 13, and the output shaft 3 extends into the ball cage 1 through the through hole 13. At the lower end of the cage 1 there is a second bearing block 14, on which second bearing block 14 a bearing is arranged, to which bearing the central bevel gear 5 is connected. A bearing is arranged at the top of the shell of the gear reducer, and an output shaft 3 is connected to the bearing; a bearing is provided at a housing side end of the gear reducer, and the input shaft 10 is connected to the bearing.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A gear reducer capable of effectively reducing noise in operation is characterized by comprising a ball cage (1), transmission bevel gears (2), an output shaft (3), driven bevel gears (4), a central bevel gear (5), a peripheral bevel gear ring (6), an annular seat (7), a first bearing seat (8), driving bevel gears (9) and an input shaft (10), wherein the ball cage (1) is fixedly connected with a shell of the gear reducer, the transmission bevel gears (2) are respectively arranged on two sides of the interior of the ball cage (1) through bearings, the driven bevel gears (4) are fixedly connected at the tail ends of the output shaft (3), the driven bevel gears (4) extend into the ball cage (1) and are meshed with the two transmission bevel gears (2), the central bevel gears (5) are arranged at the lower end of the ball cage (1) through bearings, and the central bevel gears (5) and the peripheral bevel gear ring (6) are respectively and fixedly connected with the annular seat (7), the lower end of the annular seat (7) is provided with a first bearing seat (8), the first bearing seat (8) is rotationally connected with the shell of the gear reducer through a bearing, a driving bevel gear (9) is fixedly connected to the input shaft (10), and the driving bevel gear (9) is meshed with the peripheral bevel gear ring (6).
2. The gear reducer capable of effectively reducing noise during operation according to claim 1, wherein a short shaft (11) is fixedly connected to the lower end of the central bevel gear (5), a plurality of short rods (12) are fixedly connected to the lower end of the peripheral bevel gear ring (6), the central bevel gear (5) is fixedly connected to the annular seat (7) through the short shaft (11), and the peripheral bevel gear ring (6) is fixedly connected to the annular seat (7) through the plurality of short rods (12).
3. The gear reducer for effectively reducing noise during operation according to claim 1, wherein the top end of the ball cage (1) has a through hole (13), and the output shaft (3) extends into the ball cage (1) through the through hole (13).
4. A gear reducer effective in reducing noise during operation according to claim 1, characterized in that at the lower end of the cage (1) there is a second bearing seat (14), on which bearing is provided a bearing to which the central bevel gear (5) is connected.
5. The gear reducer capable of effectively reducing noise in operation according to claim 1, wherein a bearing is provided on a top of a housing of the gear reducer, and the output shaft (3) is connected to the bearing; a bearing is arranged at the side end of the shell of the gear reducer, and the input shaft (10) is connected to the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488042.6U CN214946129U (en) | 2021-07-01 | 2021-07-01 | Gear speed reducer capable of effectively reducing noise in operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488042.6U CN214946129U (en) | 2021-07-01 | 2021-07-01 | Gear speed reducer capable of effectively reducing noise in operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946129U true CN214946129U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121488042.6U Active CN214946129U (en) | 2021-07-01 | 2021-07-01 | Gear speed reducer capable of effectively reducing noise in operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946129U (en) |
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2021
- 2021-07-01 CN CN202121488042.6U patent/CN214946129U/en active Active
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