CN219221167U - Flange type planetary reducer - Google Patents
Flange type planetary reducer Download PDFInfo
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- CN219221167U CN219221167U CN202222582242.9U CN202222582242U CN219221167U CN 219221167 U CN219221167 U CN 219221167U CN 202222582242 U CN202222582242 U CN 202222582242U CN 219221167 U CN219221167 U CN 219221167U
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Abstract
The utility model discloses a flange type planetary reducer, which comprises a reducer box body, an input shaft, an output shaft, a sun gear and a plurality of planetary gears, wherein the input shaft is connected with the sun gear; the front and rear openings of the speed reducer box body are provided with inner gear rings on the inner wall of the speed reducer box body; the force input shaft is rotatably matched in the speed reducer box body through a force input bearing; the output shaft is rotatably matched in the speed reducer box body through an output bearing; the front side and the rear side of the output shaft are respectively and integrally provided with a planet carrier and an output flange; the sun gear is matched with the box body of the speed reducer, and the sun gear is coaxially connected with the input shaft; each planetary gear is rotatably matched with the planetary carrier of the output shaft, each planetary gear is meshed with the sun gear, and each planetary gear is also meshed with the annular gear. The utility model can realize the flange connection with the external equipment with small installation space, and reduce the requirement on the installation space.
Description
Technical Field
The utility model relates to the field of speed reducers, in particular to a flange type planetary speed reducer.
Background
The planetary reducer is an industrial product with wide application, can reduce the rotating speed of a motor and increase the output torque. The planetary reducer can be used as a matching component for industries such as lifting, excavating, transporting, building and the like.
The existing output shaft of the planetary reducer is generally connected with external equipment through a coupler, and the coupler is long in length and occupies a large installation space, so that the requirement on the installation space is large; and the load carrying capacity of the coupling is poor.
Disclosure of Invention
The utility model aims to provide a flange type planetary reducer, which overcomes the defects in the prior art.
In order to achieve the above object, the solution of the present utility model is:
a flange type planetary reducer comprises a reducer box body, a force input shaft, a force output shaft, a sun gear and a plurality of planetary gears; the front and rear openings of the speed reducer box body are provided with inner gear rings on the inner wall of the speed reducer box body; the input shaft is rotatably matched in the speed reducer box body through an input bearing, and the inner ring of the input bearing is sleeved and fixed on the input shaft; the output shaft is rotatably matched in the speed reducer box body through an output bearing, an inner ring of the output bearing is sleeved and fixed on the output shaft, and the output bearing is an angular contact ball bearing; the planet carrier and the output flange are respectively integrally arranged on the front side and the rear side of the output shaft, the output flange is provided with a plurality of flange screw holes, and the flange screw holes are symmetrically distributed in a center mode relative to the center of the output shaft; the sun gear is matched with the box body of the speed reducer, and the sun gear is coaxially connected with the input shaft; each planetary gear is rotatably matched with the planetary carrier of the output shaft, each planetary gear is meshed with the sun gear, and each planetary gear is also meshed with the annular gear.
The front end of the output shaft is matched with a front check ring; the number of the output bearings is two, the two output bearings are divided into a front output bearing and a rear output bearing, the front output bearing is limited between the front check ring and the planetary gear, and the rear output bearing is limited between the planetary gear and the output flange.
The front check ring is in threaded connection with the output shaft, and an elastic ring is clamped between the front check ring and the output shaft.
The elastic ring is a nylon ring.
Lubricating oil is contained in the box body of the speed reducer.
The speed reducer box body comprises a gear box and an end cover; the front and rear openings of the gear box are formed, and the inner wall of the gear box is provided with the annular gear; the end cover is matched with the front end opening of the gear box; the force input shaft passes through the end cover, and a front oil seal is arranged between the force input shaft and the front end opening of the end cover; the output shaft passes through the gear box, and a rear oil seal is arranged between an output flange of the output shaft and an opening at the rear end of the gear box.
The planetary frame of the output shaft is of a hollow structure, a plurality of gear mounting holes are formed in the side wall of the planetary frame at equal intervals along the circumferential direction, and a planetary gear is rotatably matched in each gear mounting hole; the sun gear extends into the planet carrier.
The inner wall of the planet carrier of the output shaft is provided with an output baffle edge, the outer wall of the input shaft is provided with an input baffle edge, and the rear end of the input shaft extends into the planet carrier; the force input bearing is clamped between the planet carrier and the rear end of the force input shaft, and the force input bearing is limited between the force output baffle edge and the force input baffle edge.
The teeth of the sun gear, the planetary gear and the inner gear ring are all helical teeth.
The front end of the input shaft is provided with a hollow connecting sleeve, the side wall of the connecting sleeve is provided with at least two cutting grooves along the axial direction of the connecting sleeve, and each cutting groove is distributed in a central symmetry mode relative to the central axis of the connecting sleeve; the force input shaft is matched with a pressing ring, the pressing ring is sleeved with a connecting sleeve, the pressing ring is of an open ring structure, and two open ends of the pressing ring are locked through locking bolts.
After the scheme is adopted, the utility model has the following characteristics:
1. the output shaft is provided with the output flange, so that the output shaft can be connected with external equipment through the flange-connected connecting structure, the flange-connected connecting structure occupies small installation space and has good load carrying capacity, and the flange-type planetary reducer can drive the external equipment to operate more stably and forcefully. In addition, the output flange is provided with a flange screw hole, so that nuts are not needed when the output shaft is in flange connection with external equipment, and the cost is reduced;
2. the output bearing can be an angular contact bearing, and the angular contact bearing has strong radial load bearing capacity and axial load bearing capacity and high rotation precision, so that the output bearing can bear larger radial load and axial load and can realize high-precision rotation;
3. the speed reducer box body is internally provided with lubricating oil, and the lubricating oil can enable the input shaft, the output shaft, the sun gear, the planetary gear, the input bearing and the output bearing to rotate smoothly and generate less heat;
4. the front check ring is in threaded connection with the output shaft, and an elastic ring can be clamped between the front check ring and the output shaft; therefore, the elastic ring is extruded when the front check ring is in threaded connection with the power output shaft, and the elastic ring is pressed to generate a rebound force for the front check ring and the power output shaft so as to prevent the front check ring from loosening;
5. when the input shaft is connected with the motor output shaft, the motor output shaft is inserted into the connecting sleeve of the input shaft, and then the tightening ring is locked through the locking bolt, so that the tightening ring is inwards deformed to squeeze the connecting sleeve, and the connecting sleeve is inwards deformed to tightly hold the motor output shaft, thereby realizing the fixation of the input shaft and the motor output shaft in the radial and axial directions;
6. the teeth of the sun gear, the planetary gear and the inner gear ring are all helical teeth, so that the meshing rate of the sun gear, the planetary gear and the inner gear ring is high, and the improvement of the load carrying capacity of the flange type planetary reducer is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a sectional view of the combination of the present utility model;
description of the reference numerals:
the speed reducer box 1, the front oil seal 101, the rear oil seal 102, the gear box 11, the inner gear ring 111, the end cover 12,
the force input shaft 2, the force input baffle edge 21, the connecting sleeve 22, the cutting groove 221,
the output shaft 3, the front retainer ring 301, the elastic ring 302, the planet carrier 31, the gear mounting hole 311, the output retainer edge 312, the output flange 32, the flange screw hole 321,
the sun wheel 4 is provided with a pair of teeth,
the planet gears 5 are arranged in such a way that,
the input bearing 6 is provided with a bearing,
the output bearing 7, the front output bearing 71, the rear output bearing 72,
the ring 8 is forced to be tightened by a force,
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
As shown in fig. 1 and 2, the utility model discloses a flange type planetary reducer, which comprises a reducer box 1, a force input shaft 2, a force output shaft 3, a sun gear 4 and a plurality of planetary gears 5; wherein, the front and back openings of the speed reducer box body 1 are provided with an inner gear ring 111 on the inner wall of the speed reducer box body 1; the input shaft 2 is rotatably matched in the speed reducer box 1 through an input bearing 6, and an inner ring of the input bearing 6 is sleeved and fixed on the input shaft 2; the output shaft 3 is rotatably matched in the reducer box 1 through an output bearing 7, an inner ring of the output bearing 7 is sleeved and fixed on the output shaft 3, a planet carrier 31 and output flanges 32 are respectively integrally arranged on the front side and the rear side of the output shaft 3, the output flanges 32 are provided with a plurality of flange screw holes 321, and each flange screw hole 321 is distributed in a central symmetry mode relative to the center of the output shaft 3; the sun gear 4 is matched in the speed reducer box 1, and the sun gear 4 is coaxially connected with the input shaft 2; each of the planetary gears 5 is rotatably fitted to the carrier 31 of the output shaft 3, each of the planetary gears 5 is meshed with the sun gear 4 and each of the planetary gears 5 is also meshed with the ring gear 111.
In the utility model, the output shaft 3 is provided with the output flange 32, so that the output shaft 3 can be connected with external equipment through a flange connection structure, the flange connection structure occupies small installation space and has good load carrying capacity, and the flange type planetary reducer can drive the external equipment to operate more stably and forcefully. In addition, the output flange 32 is provided with a flange screw hole 321, so that nuts are not required to be used when the output shaft 3 is in flange connection with external equipment, and the cost is reduced.
In the utility model, the reducer box 1 contains lubricating oil, and the lubricating oil can ensure that the input shaft 2, the output shaft 3, the sun gear 4, the planetary gear 5, the input bearing 6 and the output bearing 7 rotate smoothly and generate less heat. The reducer box 1 specifically comprises a gear box 11 and an end cover 12 so as to install a force input shaft 2, a force output shaft 3, a sun gear 4, a planetary gear 5, a force input bearing 6 and a force output bearing 7; the gear case 11 is opened in front and back, and the inner wall of the gear case 11 is formed with the inner gear ring 111; the end cover 12 is provided with front and rear openings, the end cover 12 is matched with the front end opening of the gear box 11, and the end cover 12 and the gear box 11 can be connected through bolts; the force input shaft 2 passes through the end cover 12, and a front oil seal 101 is arranged between the force input shaft 2 and the front end opening of the end cover 12; the output shaft 3 passes through the gear box 11, and a rear oil seal 102 is arranged between the output flange 32 of the output shaft 3 and the rear end opening of the gear box 11, and the front oil seal 101 and the rear oil seal 102 can prevent lubricating oil from leaking.
In the utility model, the front end of the output shaft 3 is matched with a front check ring 301; the number of the output bearings 7 is two, the two output bearings 7 are divided into a front output bearing 71 and a rear output bearing 72, the front output bearing 71 is limited between the front check ring 301 and the planetary gear 5, and the rear output bearing 72 is limited between the planetary gear 5 and the output flange 32, so that the output shaft 3 can rotate stably and is not easy to swing. The front retainer ring 301 is in threaded connection with the output shaft 3, and an elastic ring 302 can be clamped between the front retainer ring 301 and the output shaft 3, and the elastic ring 302 can be a nylon ring; the front retainer ring 301 is screwed with the output shaft 3 to press the elastic ring 302, and the elastic ring 302 is pressed to generate a rebound force for the front retainer ring 301 and the output shaft 3 so as to prevent the front retainer ring 301 from loosening. The output bearing 7 may be an angular contact bearing, and the angular contact bearing has high radial load and axial load bearing capacity, and the angular contact bearing has high rotation precision, so that the output bearing 3 can bear larger radial load and axial load, and high-precision rotation can be realized.
In the present utility model, the planet carrier 31 of the output shaft 3 is of a hollow structure, a plurality of gear mounting holes 311 are circumferentially and equidistantly formed on the side wall of the planet carrier 31, one planet gear 5 is rotatably fitted in each gear mounting hole 311, and the sun gear 4 extends into the planet carrier 31 to be meshed with the planet gear 5. The inner wall of the planet carrier 31 of the output shaft 3 is provided with an output baffle edge 312, the outer wall of the input shaft 2 is provided with an input baffle edge 21, the rear end of the input shaft 2 stretches into the planet carrier 31, the input bearing 6 is clamped between the planet carrier 31 and the rear end of the input shaft 2, and the input bearing 6 is limited between the output baffle edge 312 and the input baffle edge 21.
In the utility model, the front end of the force input shaft 2 may be provided with a hollow connecting sleeve 22, the side wall of the connecting sleeve 22 is provided with at least two grooves 221 along the axial direction thereof, and each groove 221 is distributed in a central symmetry manner with respect to the central axis of the connecting sleeve 22; the force input shaft 2 is matched with a pressing ring 8, the pressing ring 8 is sleeved with a connecting sleeve 22, the pressing ring 8 is of an open ring structure, and two open ends of the pressing ring 8 are locked through locking bolts 9. When the input shaft 2 is connected with the motor output shaft, the motor output shaft is inserted into the connecting sleeve 22 of the input shaft 2, then the tightening ring 8 is locked through the locking bolt 9, so that the tightening ring 8 is deformed inwards to squeeze the connecting sleeve 22, and then the connecting sleeve 22 is deformed inwards to tightly hold the motor output shaft, thereby realizing the fixation of the input shaft 2 and the motor output shaft in the radial and axial directions, and the connection mode of the input shaft 2 and the motor output shaft can ensure that the input shaft 2 is firmly connected with the motor output shaft, and meanwhile, the input shaft 2 can be driven to rotate when the motor output shaft rotates, so that the transmission efficiency is improved.
In the utility model, the teeth of the sun gear 4, the planetary gear 5 and the inner gear ring 111 are all helical teeth, so that the meshing rate of the sun gear 4, the planetary gear 5 and the inner gear ring 111 is high, and the improvement of the load carrying capacity of the flange type planetary reducer is facilitated.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (10)
1. A flange type planetary reducer is characterized in that: the planetary gear comprises a speed reducer box body, a force input shaft, a force output shaft, a sun gear and a plurality of planetary gears;
the front and rear openings of the speed reducer box body are provided with inner gear rings on the inner wall of the speed reducer box body;
the input shaft is rotatably matched in the speed reducer box body through an input bearing, and the inner ring of the input bearing is sleeved and fixed on the input shaft;
the output shaft is rotatably matched in the speed reducer box body through an output bearing, an inner ring of the output bearing is sleeved and fixed on the output shaft, and the output bearing is an angular contact ball bearing; the planet carrier and the output flange are respectively integrally arranged on the front side and the rear side of the output shaft, the output flange is provided with a plurality of flange screw holes, and the flange screw holes are symmetrically distributed in a center mode relative to the center of the output shaft;
the sun gear is matched with the box body of the speed reducer, and the sun gear is coaxially connected with the input shaft; each planetary gear is rotatably matched with the planetary carrier of the output shaft, each planetary gear is meshed with the sun gear, and each planetary gear is also meshed with the annular gear.
2. A flange type planetary reducer as defined in claim 1, wherein: the front end of the output shaft is matched with a front check ring;
the number of the output bearings is two, the two output bearings are divided into a front output bearing and a rear output bearing, the front output bearing is limited between the front check ring and the planetary gear, and the rear output bearing is limited between the planetary gear and the output flange.
3. A flange type planetary reducer as defined in claim 2, wherein: the front check ring is in threaded connection with the output shaft, and an elastic ring is clamped between the front check ring and the output shaft.
4. A flanged planetary reducer according to claim 3, characterized in that: the elastic ring is a nylon ring.
5. A flange type planetary reducer as defined in claim 1, wherein: lubricating oil is contained in the box body of the speed reducer.
6. A flanged planetary reducer according to claim 5, wherein: the speed reducer box body comprises a gear box and an end cover; the front and rear openings of the gear box are formed, and the inner wall of the gear box is provided with the annular gear; the end cover is matched with the front end opening of the gear box;
the force input shaft passes through the end cover, and a front oil seal is arranged between the force input shaft and the front end opening of the end cover; the output shaft passes through the gear box, and a rear oil seal is arranged between an output flange of the output shaft and an opening at the rear end of the gear box.
7. A flange type planetary reducer as defined in claim 1, wherein: the planetary frame of the output shaft is of a hollow structure, a plurality of gear mounting holes are formed in the side wall of the planetary frame at equal intervals along the circumferential direction, and a planetary gear is rotatably matched in each gear mounting hole; the sun gear extends into the planet carrier.
8. A flanged planetary reducer according to claim 6, wherein: the inner wall of the planet carrier of the output shaft is provided with an output baffle edge, the outer wall of the input shaft is provided with an input baffle edge, and the rear end of the input shaft extends into the planet carrier; the force input bearing is clamped between the planet carrier and the rear end of the force input shaft, and the force input bearing is limited between the force output baffle edge and the force input baffle edge.
9. A flange type planetary reducer as defined in claim 1, wherein: the teeth of the sun gear, the planetary gear and the inner gear ring are all helical teeth.
10. A flange type planetary reducer as defined in claim 1, wherein: the front end of the input shaft is provided with a hollow connecting sleeve, the side wall of the connecting sleeve is provided with at least two cutting grooves along the axial direction of the connecting sleeve, and each cutting groove is distributed in a central symmetry mode relative to the central axis of the connecting sleeve; the force input shaft is matched with a pressing ring, the pressing ring is sleeved with a connecting sleeve, the pressing ring is of an open ring structure, and two open ends of the pressing ring are locked through locking bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222582242.9U CN219221167U (en) | 2022-09-28 | 2022-09-28 | Flange type planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222582242.9U CN219221167U (en) | 2022-09-28 | 2022-09-28 | Flange type planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219221167U true CN219221167U (en) | 2023-06-20 |
Family
ID=86759019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222582242.9U Active CN219221167U (en) | 2022-09-28 | 2022-09-28 | Flange type planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219221167U (en) |
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- 2022-09-28 CN CN202222582242.9U patent/CN219221167U/en active Active
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