CN220622661U - Reduction gearbox of electric roller - Google Patents
Reduction gearbox of electric roller Download PDFInfo
- Publication number
- CN220622661U CN220622661U CN202322139403.1U CN202322139403U CN220622661U CN 220622661 U CN220622661 U CN 220622661U CN 202322139403 U CN202322139403 U CN 202322139403U CN 220622661 U CN220622661 U CN 220622661U
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- Prior art keywords
- gear
- planet carrier
- annular
- sun gear
- base
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- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000001603 reducing effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses an electric roller reduction gear box, which comprises a base, wherein the base is provided with an annular gear, one side of the annular gear is provided with a guide cavity coaxial with the annular gear, an annular guide inclined plane is arranged between the guide cavity and the annular gear, and the annular guide inclined plane and the annular gear are coaxially arranged; a planet carrier is arranged in the base, an axle center wheel is arranged on one side of the planet carrier and is positioned at the axle center of the planet carrier rotating shaft, a plurality of cylindrical pins are arranged on the other side of the planet carrier, each cylindrical pin is provided with a transmission gear, and the transmission gears are meshed with the inner gear ring; a sun gear is arranged between the plurality of transmission gears, the plurality of transmission gears are meshed with the sun gear, and the sun gear and the axle center wheel are coaxially arranged; between the sun gear and the planet carrier, the planet carrier is provided with a cambered surface lug, and the cambered surface lug is used for reducing the contact surface between the sun gear and the planet carrier. The electric roller reduction gear box can reduce noise and improve assembly precision and assembly efficiency.
Description
Technical Field
The utility model relates to an electric roller reduction gear box, and belongs to the technical field of powder metallurgy.
Background
Motorized roller reduction gearboxes are an important component of motorized roller conveyors that are primarily used to reduce the high-speed rotational motion of an electric motor and transfer it to the rollers to effect the conveyance of material. Generally consists of a speed reducer, a gear, an output shaft and the like. The speed reducer generally adopts a speed reducing mechanism such as a planetary gear, a helical gear or a worm gear to realize a speed reducing effect. These reduction mechanisms convert the high-speed rotational motion of the electric motor into the low-speed high-torque rotational motion required for the drum through an engagement relationship.
When the gear box is assembled, the sun gear and the planet gears are required to be installed on the planet carrier, then the planet carrier, the sun gear and the planet gears are installed in the gear box, however, in the process, the planet carrier is easy to skew, so that the gears on the planet carrier are difficult to be aligned and positioned with the inner gear ring of the gear box effectively, and the assembly efficiency of the gear box is affected. When the planet carrier is inclined, if the planet carrier is forcefully righted by using brute force, parts are easily damaged, the stability of the gear is affected, and the working noise of the gear box is increased.
Disclosure of Invention
The utility model aims to provide a motor-driven roller reduction gear box which can reduce noise and improve assembly precision and assembly efficiency.
In order to achieve the technical purpose, the technical scheme of the utility model is as follows:
the utility model provides an electronic cylinder reduction gear box, includes the base, the base is provided with the ring gear, ring gear one side, the base is provided with the direction chamber coaxial with the ring gear, be provided with annular direction inclined plane between direction chamber and the ring gear, annular direction inclined plane and the coaxial setting of ring gear, the angle of annular direction inclined plane is 45, and the contained angle between annular direction inclined plane and the ring gear is 45 promptly.
In order to facilitate connection of the base and other components and improve the installation efficiency of the gearbox, the end part of the base is provided with a base annular guide inclined surface, and the base annular guide inclined surface is positioned at the peripheral edge of the base.
A planet carrier is arranged in the base, one side of the planet carrier is provided with an axle center wheel, the axle center wheel is positioned at the axle center of the planet carrier rotating shaft, the other side of the planet carrier is provided with a plurality of (not less than 2) cylindrical pins, each cylindrical pin is provided with a transmission gear, and the transmission gears are meshed with the inner gear ring; a sun gear is arranged between the plurality of transmission gears, the plurality of transmission gears are meshed with the sun gear, and the sun gear and the axle center wheel are coaxially arranged; between the sun gear and the planet carrier, the planet carrier is provided with a cambered surface lug, and the cambered surface lug is used for reducing the contact surface between the sun gear and the planet carrier so as to eliminate friction force and reduce transmission noise.
The planet carrier is provided with a sun gear groove, and the sun gear is positioned in the sun gear groove.
The four cylindrical pins are uniformly arranged on the planet carrier by taking the rotating shaft of the planet carrier as the axis.
The sun gear is internally provided with a transmission cavity, and the transmission cavity is a gear transmission cavity.
When the gear box is assembled, the plurality of transmission gears and the sun gear are connected to the planet carrier, and then the planet carrier with the plurality of transmission gears and the sun gear is provided with the guide cavity and is sent into the annular gear, so that the plurality of transmission gears are meshed with the annular gear, and the assembly precision and the assembly efficiency of the gear box are improved.
When the planetary gear box is used, the axle center wheel drives the planet carrier to rotate, the plurality of transmission gears on the planet carrier drive the sun wheel to rotate, the power deceleration effect is realized, the cambered surface convex blocks of the sun wheel between the sun wheel and the planet carrier reduce the contact surface between the sun wheel and the planet carrier, so that the friction force is reduced, and the gear box achieves the aim of reducing transmission noise.
The electric roller reduction gear box can reduce noise and improve assembly precision and assembly efficiency.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic view of a first view structure according to the present utility model.
Fig. 2 is a schematic view of a second view structure according to the present utility model.
FIG. 3 is a schematic cross-sectional structure of the present utility model.
FIG. 4 is a schematic cross-sectional view of a base of the present utility model.
Fig. 5 is a schematic view of the structure of the planet carrier of the present utility model.
Detailed Description
As shown in fig. 1-5, an electric roller reduction gear box comprises a base 1, wherein the base 1 is provided with an annular gear 11, a guide cavity 12 coaxial with the annular gear 11 is arranged on one side of the annular gear 11, an annular guide inclined plane 13 is arranged between the guide cavity 11 and the annular gear 12, the annular guide inclined plane 13 and the annular gear 11 are coaxially arranged, as shown in fig. 4, an included angle between the annular guide inclined plane 13 and the annular gear 11 is 45 degrees, a base annular guide inclined plane 14 is further arranged at the end part of the base 1, and the base annular guide inclined plane 14 is positioned at the peripheral edge of the base 1.
The planet carrier is arranged in the base 1, an axle center wheel 3 is arranged on one side of the planet carrier 2, the axle center wheel 3 is located at the axle center of a rotating shaft of the planet carrier 2, four cylindrical pins 4 are arranged on the other side of the planet carrier 2, the four cylindrical pins 4 are uniformly arranged around the planet carrier 2 by taking the rotating shaft of the planet carrier 2 as an axle center, each cylindrical pin 4 is provided with a transmission gear 5, and the four transmission gears 5 are meshed with an inner gear ring 11.
Be provided with sun gear 6 between four drive gear 5, four drive gear 5 all intermesh with sun gear 6, sun gear 6 and axle center wheel 3 coaxial arrangement, between sun gear 6 and planet carrier 2, planet carrier 2 is provided with cambered surface lug 21, cambered surface lug 21 is used for reducing the contact surface between sun gear 6 and the planet carrier 2 to reduce frictional force.
Between the sun gear 6 and the planet carrier 2, the planet carrier 2 is further provided with a sun gear groove 22, the cambered surface convex block 21 is positioned at the bottom of the sun gear groove 22, and the sun gear 6 is positioned in the sun gear groove 22.
The sun gear 6 is internally provided with a gear transmission cavity.
During assembly, the plurality of transmission gears 5 and the sun gear 6 are connected to the planet carrier 2, and then the planet carrier 2 with the plurality of transmission gears 5 and the sun gear 6 is provided with the guide cavity 12 and is fed into the annular gear 11, so that the plurality of transmission gears 5 are meshed with the annular gear 11, and the assembly precision and the assembly efficiency of the gearbox are improved.
When in use, the axle center wheel 3 drives the planet carrier 2 to rotate, and the plurality of transmission gears 5 on the planet carrier 2 drive the sun wheel 6 to rotate, so as to realize the power deceleration effect.
The above embodiments do not limit the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present utility model.
Claims (6)
1. Electric roller reduction gear box, its characterized in that: the device comprises a base, wherein the base is provided with an annular gear, a guide cavity coaxial with the annular gear is arranged on one side of the annular gear, an annular guide inclined plane is arranged between the guide cavity and the annular gear, and the annular guide inclined plane and the annular gear are coaxially arranged; a planet carrier is arranged in the base, an axle center wheel is arranged on one side of the planet carrier and is positioned at the axle center of the planet carrier rotating shaft, a plurality of cylindrical pins are arranged on the other side of the planet carrier, each cylindrical pin is provided with a transmission gear, and the transmission gears are meshed with the inner gear ring; a sun gear is arranged between the plurality of transmission gears, the plurality of transmission gears are meshed with the sun gear, and the sun gear and the axle center wheel are coaxially arranged; between the sun gear and the planet carrier, the planet carrier is provided with a cambered surface lug, and the cambered surface lug is used for reducing the contact surface between the sun gear and the planet carrier.
2. A motorized pulley reduction gearbox as set forth in claim 1, wherein: the angle of the annular guiding inclined plane is 45 degrees.
3. A motorized pulley reduction gearbox as set forth in claim 1, wherein: the end part of the base is provided with a base annular guide inclined plane which is positioned at the peripheral edge of the base.
4. A motorized pulley reduction gearbox as set forth in claim 1, wherein: the planet carrier is provided with a sun gear groove, and the sun gear is positioned in the sun gear groove.
5. A motorized pulley reduction gearbox as set forth in claim 1, wherein: the four cylindrical pins are uniformly arranged on the planet carrier by taking the planet carrier rotating shaft as an axle center.
6. A motorized pulley reduction gearbox as set forth in claim 1, wherein: the sun gear is internally provided with a transmission cavity, and the transmission cavity is a gear transmission cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139403.1U CN220622661U (en) | 2023-08-10 | 2023-08-10 | Reduction gearbox of electric roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139403.1U CN220622661U (en) | 2023-08-10 | 2023-08-10 | Reduction gearbox of electric roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622661U true CN220622661U (en) | 2024-03-19 |
Family
ID=90234924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322139403.1U Active CN220622661U (en) | 2023-08-10 | 2023-08-10 | Reduction gearbox of electric roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622661U (en) |
-
2023
- 2023-08-10 CN CN202322139403.1U patent/CN220622661U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |