CN212250988U - Direct-connected two-stage transmission arc gear output gear reducer - Google Patents
Direct-connected two-stage transmission arc gear output gear reducer Download PDFInfo
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- CN212250988U CN212250988U CN202020898193.8U CN202020898193U CN212250988U CN 212250988 U CN212250988 U CN 212250988U CN 202020898193 U CN202020898193 U CN 202020898193U CN 212250988 U CN212250988 U CN 212250988U
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Abstract
The utility model belongs to the technical field of gear reducers, in particular to a direct-coupled two-stage transmission arc gear output gear reducer, which comprises a motor, an integral reduction box and a direct-coupled two-stage transmission and arc gear output reduction mechanism; the motor is arranged outside the reduction gearbox, and the reduction mechanism is arranged inside the reduction gearbox; an opening is formed in one side, close to the motor, of the reduction gearbox, and an output shaft of the motor is connected with the reduction mechanism through the opening; a partition sleeve is arranged in the reduction gearbox to divide the internal space of the reduction gearbox into two parts; the speed reducing mechanism comprises a pair of first-stage involute gear pairs positioned on one side of the separating sleeve and second-stage bevel gear pairs positioned on the other side of the separating sleeve. The speed reducer of the utility model adopts two-stage transmission speed reduction, is little influenced by the change of the instantaneous transmission ratio, and has smooth and stable whole operation process; and bevel gear transmission output is adopted, so that the transmission loss is small, the safety coefficient is high, and the working efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of gear reducer, especially, relate to an associated mode two-stage transmission arc gear output gear reducer.
Background
The gear reducer is a transmission device enclosed in a rigid box body, consists of a plurality of gears, shafts, bearings and other parts, and can be used for changing the rotating speed and the torque between an input shaft and an output shaft. Therefore, the application in mechanical transmission is very wide. The direct-connected gear reducer is characterized in that the gear reducer is connected with a motor together in a mode that a transition flange and a motor output shaft are directly provided with a primary pinion, and the motor is connected with the reducer in a non-standard flange mode. Direct-coupled versus non-direct-coupled: compact structure, high efficiency, beautiful appearance, low noise and the like. The existing direct-coupled gear reducer comprises a motor and a reduction box, wherein the motor is connected with the reduction box through a direct-coupled reduction mechanism, a coupler is adopted for connecting the motor and the reduction box at present, and a universal joint is adopted for connecting the motor and the reduction box at present, so that the two connection modes are easy to damage; secondly, the existing gear reducer is mostly in primary transmission, has large transmission ratio and is not suitable for occasions with smaller transmission ratio requirements.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direct connection type two-stage transmission arc gear output gear reducer for solving the technical problems existing in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a direct-coupled two-stage transmission arc gear output gear reducer comprises a motor, an integral reduction box and a direct-coupled two-stage transmission and arc gear output reduction mechanism; the motor is arranged outside the reduction gearbox, and the reduction mechanism is arranged inside the reduction gearbox; an opening is formed in one side, close to the motor, of the reduction gearbox, and an output shaft of the motor is connected with the reduction mechanism through the opening;
a separation sleeve is arranged in the reduction gearbox to divide the internal space of the reduction gearbox into two parts; the speed reducing mechanism comprises a pair of first-stage involute gear pairs positioned on one side of the separating sleeve and second-stage bevel gear pairs positioned on the other side of the separating sleeve; a connecting hole is formed in the separating sleeve, a connecting shaft for connecting the two pairs of gear pairs is arranged in the connecting hole, the primary involute gear pair comprises a primary input gear and a primary output gear which are meshed with each other, and the primary input gear is driven by an output shaft of the motor to rotate so as to complete primary transmission; the secondary bevel gear pair comprises a secondary input bevel gear and a secondary output bevel gear which are meshed with each other, and the input bevel gear is connected with the primary output gear through the connecting shaft, so that the secondary bevel gear pair completes secondary transmission under the driving of the primary involute gear pair; and the gear shaft of the secondary output bevel gear is vertical to the gear shaft of the secondary input bevel gear.
Further, a ball bearing is arranged between the connecting shaft and the inner wall of the connecting hole; and sealing end covers sleeved on the connecting shafts are arranged on two sides of the connecting holes.
Further, the reduction gearbox is connected with a flange at the end part of the motor.
Furthermore, lubricating oil channels communicated with the first-stage involute gear pair and the second-stage bevel gear pair are arranged on the upper side and the lower side of the separating sleeve.
The utility model has the advantages and positive effects that:
the utility model is characterized in that the reducer adopts two-stage transmission speed reduction, is little influenced by the change of instantaneous transmission ratio, and the whole operation process is mild and stable; and bevel gear transmission output is adopted, so that the transmission loss is small, the safety coefficient is high, and the working efficiency is high. The utility model discloses in, the reducing gear box adopts the integral type structure, not only makes reducing gear's the corresponding shortening of wheel base, the volume reduces, and the transmission is stable, the reliability also uprises.
The utility model discloses a switching-over right angle transmission can be realized to the two-stage gear pair, has reduced the length of whole reduction gear, has increased space utilization. And lubricating oil channels for communicating the first-stage involute gear pair and the second-stage bevel gear pair are arranged on the upper side and the lower side of the separating sleeve, so that the speed reducing mechanism is fully lubricated, and the service life of the speed reducer is prolonged.
Description of the drawings:
fig. 1 is a three-dimensional view of a gear reducer according to the present invention.
Wherein: 1. a motor; 2. a reduction gearbox; 3. a first stage involute gear pair; 31. a primary input gear; 32. a primary output gear; 4. a secondary bevel gear pair; 41. a secondary input bevel gear; 42. a secondary output bevel gear; 5. a separation sleeve; 6. sealing the end cap; 7. a lubricant oil passage.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
As shown in fig. 1, the utility model provides a direct-coupled two-stage transmission arc gear output gear reducer, which comprises a motor 1, an integral reduction box 2 and a direct-coupled two-stage transmission reduction mechanism; the motor 1 is arranged outside the reduction gearbox 2, and the reduction mechanism is arranged inside the reduction gearbox 2; an opening is formed in one side, close to the motor 1, of the reduction gearbox 2, and the reduction gearbox 2 is connected with a flange at the end part of the motor 1; the output shaft of the motor 1 is connected with the speed reducing mechanism through the opening. Preferably, an inlet oil seal and an oil slinger are arranged on an output shaft of the motor 1, so that the sealing performance of the motor 1 is ensured.
Specifically, a separation sleeve 5 is arranged in the reduction gearbox 2 to divide the internal space of the reduction gearbox 2 into two parts; the speed reducing mechanism comprises a pair of first-stage involute gear pairs 3 positioned on one side of the separating sleeve 5 and second-stage bevel gear pairs 4 positioned on the other side of the separating sleeve; a connecting hole is formed in the separating sleeve 5, a connecting shaft for connecting the two pairs of gear pairs is arranged in the connecting hole, and a ball bearing is arranged between the connecting shaft and the inner wall of the connecting hole; two sides of the connecting hole are provided with sealing end covers 6 sleeved on the connecting shaft; the primary involute gear pair 3 comprises a primary input gear 31 and a primary output gear 32 which are meshed with each other, and the primary input gear 31 is driven by an output shaft of the motor 1 to rotate so as to complete primary transmission; the secondary bevel gear pair 4 comprises a secondary input bevel gear 41 and a secondary output bevel gear 42 which are meshed with each other, and the input bevel gear is connected with the primary output gear 32 through the connecting shaft, so that the secondary bevel gear pair 4 completes secondary transmission under the driving of the primary involute gear pair 3; the gear shaft of the secondary output bevel gear 42 is perpendicular to the gear shaft of the secondary input bevel gear 41, so that reversing right-angle transmission can be realized, the length of the whole speed reducer is reduced, and the space utilization rate is increased. And lubricating oil channels 7 for communicating the first-stage involute gear pair 3 and the second-stage bevel gear pair 4 are arranged on the upper side and the lower side of the separating sleeve 5, so that the speed reducing mechanism is fully lubricated.
The utility model discloses in, reducing gear box 2 adopts the integral type structure, not only makes reducing gear's the corresponding shortening of wheel base, the volume reduces, and the transmission is stable, the reliability also uprises.
The utility model is characterized in that the reducer adopts two-stage transmission speed reduction, is little influenced by the change of instantaneous transmission ratio, and the whole operation process is mild and stable; and bevel gear transmission output is adopted, so that the transmission loss is small, the safety coefficient is high, and the working efficiency is high. The utility model is suitable for an application occasions such as construction elevator that little drive ratio required.
The embodiments of the present invention have been described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (4)
1. The utility model provides a direct-coupled type two-stage drive arc gear output gear reducer which characterized in that: comprises a motor, an integral reduction gearbox and a direct-coupled two-stage transmission and arc gear output reduction mechanism; the motor is arranged outside the reduction gearbox, and the reduction mechanism is arranged inside the reduction gearbox; an opening is formed in one side, close to the motor, of the reduction gearbox, and an output shaft of the motor is connected with the reduction mechanism through the opening;
a separation sleeve is arranged in the reduction gearbox to divide the internal space of the reduction gearbox into two parts; the speed reducing mechanism comprises a pair of first-stage involute gear pairs positioned on one side of the separating sleeve and second-stage bevel gear pairs positioned on the other side of the separating sleeve; a connecting hole is formed in the separating sleeve, a connecting shaft for connecting the two pairs of gear pairs is arranged in the connecting hole, the primary involute gear pair comprises a primary input gear and a primary output gear which are meshed with each other, and the primary input gear is driven by an output shaft of the motor to rotate so as to complete primary transmission; the secondary bevel gear pair comprises a secondary input bevel gear and a secondary output bevel gear which are meshed with each other, and the input bevel gear is connected with the primary output gear through the connecting shaft, so that the secondary bevel gear pair completes secondary transmission under the driving of the primary involute gear pair; and the gear shaft of the secondary output bevel gear is vertical to the gear shaft of the secondary input bevel gear.
2. The direct connection type two-stage transmission arc gear output gear reducer according to claim 1, wherein: a ball bearing is arranged between the connecting shaft and the inner wall of the connecting hole; and sealing end covers sleeved on the connecting shafts are arranged on two sides of the connecting holes.
3. The direct connection type two-stage transmission arc gear output gear reducer according to claim 1, wherein: the reduction gearbox is connected with a flange at the end part of the motor.
4. A direct connection type two-stage transmission arc gear output gear reducer according to any one of claims 1 to 3, wherein: and lubricating oil channels for communicating the first-stage involute gear pair and the second-stage bevel gear pair are arranged on the upper side and the lower side of the separating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898193.8U CN212250988U (en) | 2020-05-25 | 2020-05-25 | Direct-connected two-stage transmission arc gear output gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898193.8U CN212250988U (en) | 2020-05-25 | 2020-05-25 | Direct-connected two-stage transmission arc gear output gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250988U true CN212250988U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020898193.8U Active CN212250988U (en) | 2020-05-25 | 2020-05-25 | Direct-connected two-stage transmission arc gear output gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250988U (en) |
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2020
- 2020-05-25 CN CN202020898193.8U patent/CN212250988U/en active Active
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