CN214248162U - Input connection structure of speed reducer noise reduction - Google Patents
Input connection structure of speed reducer noise reduction Download PDFInfo
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- CN214248162U CN214248162U CN202021969113.XU CN202021969113U CN214248162U CN 214248162 U CN214248162 U CN 214248162U CN 202021969113 U CN202021969113 U CN 202021969113U CN 214248162 U CN214248162 U CN 214248162U
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Abstract
The utility model provides an input connection structure of speed reducer noise reduction, including the reduction box body, the input flange is installed to the input of reduction box body, and the input shaft is installed in the input flange, and motor output shaft inserts behind the input flange and through the axle sleeve connection between the input shaft to motor output shaft's front end passes through the key-type connection with the rear end of input shaft, and both ends are installed in the input flange through first bearing and second bearing respectively around the axle sleeve, and spiral shell umbrella driving gear integrated into one piece sets up the front end at the input shaft. This input connection structure of speed reducer noise reduction, the transmission is stable, and transmission efficiency is high, through the bushing between motor output shaft and the input shaft to the front end of motor output shaft passes through the key-type connection with the rear end of input shaft, and the vibrations that can avoid gear operation to produce pass to the motor the inside, noise abatement.
Description
Technical Field
The utility model relates to a speed reducer equipment technical field, concretely relates to speed reducer noise reduction's input connection structure.
Background
In the prior art, an input gear is generally directly assembled on a motor output shaft and is installed in an interference fit manner, specifically, as shown in fig. 1, a motor output shaft gear 200 is installed on a motor output shaft 100, an input shaft 300 is installed on one side of the motor output shaft 100, an input gear 400 is fixed on the input shaft 300, the input gear 400 and the motor output shaft gear 200 are in meshing transmission, when the input gear 400 is meshed with the motor output shaft gear 200, the gear generates a large acceleration and can cause vibration due to impact, the vibration generated by the gear operation is transmitted into the motor, and the noise of the motor is increased, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an input connection structure of speed reducer noise reduction passes through the axle sleeve connection between motor output shaft and the input shaft to motor output shaft's front end passes through the key-type connection with the rear end of input shaft, and the vibrations that can avoid gear operation to produce pass to the motor the inside, noise abatement.
In order to realize the technical scheme, the utility model provides an input connection structure of speed reducer noise reduction, including the reduction box, the input flange is installed to the input of reduction box, and the input shaft is installed in the input flange, and motor output shaft inserts behind the input flange and through the axle sleeve connection between the input shaft to motor output shaft's front end passes through the key-type connection with the rear end of input shaft, and both ends are installed in the input flange through first bearing and second bearing respectively around the axle sleeve, and spiral shell umbrella driving gear integrated into one piece sets up the front end at the input shaft.
In the technical scheme, in the actual transmission process, motor output shaft is high-speed rotatory under motor body's drive, owing to adopted "through the bushing between motor output shaft and the input shaft, and motor output shaft's front end passes through the key-type connection with the rear end of input shaft, the mounting structure of installing in the input flange through first bearing and second bearing respectively at the front and back both ends of axle sleeve, can effectively avoid" the vibrations that gear operation produced pass to the motor the inside, the phenomenon that makes motor noise grow "appears, thereby reduce the noise of speed reducer on the whole. The spiral bevel driving gear is integrally formed at the front end of the input shaft to enhance the stability of the spiral bevel driving gear and the input shaft during rotation.
Preferably, the intermediate transmission shaft is installed in the reduction box body through a third bearing and a fourth bearing and is perpendicular to the input shaft, and the spiral bevel driven gear is installed on the intermediate transmission shaft and is meshed with the spiral bevel driving gear. In the actual transmission process, the input shaft rotates the in-process and drives the spiral bevel driving gear of installing at the input shaft front end and rotate, through the meshing between spiral bevel driving gear and the spiral bevel driven gear, owing to adopt spiral bevel driving gear and spiral bevel driven gear transmission, reduce rocking among the transmission process, make things convenient for the overall arrangement of gear moreover, reduce the volume of reducing gear box.
Preferably, the spiral bevel driven gear is fixed at the rear end of the intermediate transmission shaft through clearance fit and key connection, so that the stability of the spiral bevel driven gear and the intermediate transmission shaft during rotation is enhanced.
Preferably, a sealing ring is installed on the outer side of the butt joint of the motor output shaft and the shaft sleeve.
The utility model provides a pair of input connection structure of speed reducer noise reduction's beneficial effect lies in: this input connection structure transmission of speed reducer noise reduction is stable, high transmission efficiency, compact structure, in the actual transmission process, motor output shaft is high-speed rotatory under motor body's drive, owing to adopted "through the axle sleeve connection between motor output shaft and the input shaft, and motor output shaft's front end passes through the key-type connection with the rear end of input shaft, the mounting structure of installing in the input flange through first bearing and second bearing respectively at both ends around the axle sleeve, can effectively avoid" the vibrations that gear operation produced to pass to the motor the inside, the phenomenon that makes motor noise grow "appears, thereby reduce the noise of speed reducer on the whole. The spiral shell umbrella driving gear integrated into one piece sets up the front end at the input shaft, stability when can strengthen spiral shell umbrella driving gear and input shaft and rotate together.
Drawings
Fig. 1 is a schematic view of a connection structure between an output shaft of a motor and an input shaft of a gear box in the prior art.
Fig. 2 is an assembly diagram of the internal structure of the present invention.
In the figure: 1. an output shaft of the motor; 2. a reduction box body; 3. an input flange; 4. an input shaft; 5. a shaft sleeve; 6. a key; 7. a first bearing; 8. a second bearing; 9. a spiral bevel drive gear; 10. a seal ring; 11. an intermediate transmission shaft; 12. a spiral bevel driven gear; 13. a third bearing; 14. and a fourth bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.
Example (b): an input connection structure of a speed reducer for reducing noise.
Referring to fig. 2, an input connection structure of speed reducer noise reduction, including reduction box 2, input flange 3 is installed to the input of reduction box 2, input shaft 4 is installed in input flange 3, motor output shaft 1 inserts and is connected through axle sleeve 5 between 3 backs of input flange and the input shaft 4, and the front end of motor output shaft 1 passes through key 6 with the rear end of input shaft 4 and is connected, both ends are installed in input flange 3 through first bearing 7 and second bearing 8 respectively around axle sleeve 5, sealing washer 10 is installed in the outside of motor output shaft 1 and axle sleeve 5 butt joint department, spiral shell umbrella driving gear 9 integrated into one piece sets up the front end at input shaft 4. Intermediate drive shaft 11 passes through third bearing 13 and fourth bearing 14 and installs in reduction box 2 and set up perpendicularly with input shaft 4, and spiral bevel driven gear 12 installs on intermediate drive shaft 11 and meshes with spiral bevel driving gear 9, spiral bevel driven gear 12 passes through clearance fit and key-type connection to be fixed at the rear end of intermediate drive shaft 11 to stability when reinforcing spiral bevel driven gear 12 rotates together with intermediate drive shaft 11. In the actual transmission process, the input shaft 4 rotates the in-process and drives the spiral bevel driving gear 9 installed at the front end of the input shaft 4 to rotate, the transmission is realized through the meshing between the spiral bevel driving gear 9 and the spiral bevel driven gear 12, and the spiral bevel driving gear 9 and the spiral bevel driven gear 12 are adopted for transmission, so that the shaking in the transmission process is reduced, the layout of gears is facilitated, and the volume of a reduction gearbox is reduced.
This input connection structure transmission of speed reducer noise reduction is stable, high transmission efficiency, compact structure, in the actual transmission process, motor output shaft 1 is high-speed rotatory under motor body's drive, owing to adopted "be connected through axle sleeve 5 between motor output shaft 1 and the input shaft 4, and motor output shaft 1's front end passes through key 6 with the rear end of input shaft 4 and is connected, the mounting structure of installing in input flange 3 through first bearing 7 and second bearing 8 respectively at axle sleeve 5 front and back both ends, can effectively avoid" the vibrations that the gear operation produced pass to the motor the inside, the phenomenon that makes motor noise grow "appears, thereby reduce the noise of speed reducer on the whole. The spiral bevel driving gear 9 is integrally formed at the front end of the input shaft 4, so that the stability of the spiral bevel driving gear 9 and the input shaft 4 during rotation can be enhanced.
The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.
Claims (3)
1. The utility model provides an input connection structure of speed reducer noise reduction, includes the reduction box, and input flange, its characterized in that are installed to the input of reduction box: the input shaft is installed in the input flange, and the motor output shaft inserts behind the input flange and through the bushing between the input shaft to the front end of motor output shaft and the rear end of input shaft pass through the key-type connection, and both ends are installed in the input flange through first bearing and second bearing respectively around the axle sleeve, and spiral shell umbrella driving gear integrated into one piece sets up the front end at the input shaft, the sealing washer is installed in the outside of motor output shaft and axle sleeve butt joint department.
2. The input connection structure of a speed reducer for reducing noise according to claim 1, characterized in that: the intermediate transmission shaft is arranged in the reduction box body through a third bearing and a fourth bearing and is perpendicular to the input shaft, and the spiral bevel driven gear is arranged on the intermediate transmission shaft and is meshed with the spiral bevel driving gear.
3. The input connection structure of a speed reducer for reducing noise according to claim 2, wherein: the spiral bevel driven gear is fixed at the rear end of the intermediate transmission shaft through clearance fit and key connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969113.XU CN214248162U (en) | 2020-09-10 | 2020-09-10 | Input connection structure of speed reducer noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969113.XU CN214248162U (en) | 2020-09-10 | 2020-09-10 | Input connection structure of speed reducer noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214248162U true CN214248162U (en) | 2021-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021969113.XU Active CN214248162U (en) | 2020-09-10 | 2020-09-10 | Input connection structure of speed reducer noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214248162U (en) |
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2020
- 2020-09-10 CN CN202021969113.XU patent/CN214248162U/en active Active
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