CN215763078U - High-strength single-stage straight-tooth single-support planetary reducer - Google Patents
High-strength single-stage straight-tooth single-support planetary reducer Download PDFInfo
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- CN215763078U CN215763078U CN202121964687.2U CN202121964687U CN215763078U CN 215763078 U CN215763078 U CN 215763078U CN 202121964687 U CN202121964687 U CN 202121964687U CN 215763078 U CN215763078 U CN 215763078U
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Abstract
The utility model discloses a high-strength single-stage straight-tooth single-support planetary reducer in the technical field of planetary reducers, which comprises an output shaft, an output flange, an inner gear ring, an input shaft and an input flange, wherein the output flange, the inner gear ring and the input flange are fixedly connected, the inner gear ring is positioned on the right side of the output flange, the input flange is positioned on the right side of the inner gear ring, the right end of the output shaft penetrates through the output flange and extends to the left side in the inner part of the inner gear ring, the right side of the inner wall of the inner gear ring is connected with the input shaft through a deep groove ball bearing a, the left end of the input shaft penetrates through the input flange and extends to the right side in the inner gear ring, an inner hexagonal screw a is arranged at the right end of the input shaft, three planet gears are meshed with the left side of the inner wall of the inner gear ring, and are meshed with a sun gear together; the output end adopts a double-bearing structure, so that the transmission of the output end is more stable; the sun gear adopts a spline structure to press the input end in an interference manner, so that the input end is firmer.
Description
Technical Field
The utility model relates to the technical field of planetary speed reducers, in particular to a high-strength single-stage straight-tooth single-support planetary speed reducer.
Background
The planetary reducer is an industrial product with wide application, and can reduce the rotating speed of a motor and increase the output torque. The planetary reducer can be used as a matched component for industries such as hoisting, digging, transportation, building and the like. Only the planetary reducer with a supporting point on one side is a single-support planetary reducer. The planetary reducer composed of a single set of planetary gear train is a single-stage straight-tooth planetary reducer, and has the characteristics of compact structure, small volume, high transmission efficiency and the like.
The existing single-stage straight-tooth single-support planetary reducer needs strong rigidity and stability due to the stress on one end, so that the development of a high-strength single-stage straight-tooth single-support planetary reducer is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength single-stage straight-tooth single-support planetary reducer, which is characterized in that inner hexagonal screws b are added at the input end and the output end simultaneously, so that the integral rigidity of equipment is enhanced; the output end adopts a double-bearing structure, so that the transmission of the output end is more stable; the sun gear adopts a spline structure to press the input end in an interference manner, so that the input end is firmer, and the problem that the existing single-stage straight-tooth single-support planetary reducer provided in the background technology needs stronger rigidity and stability due to one end bearing is solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-strength single-stage straight-tooth single-support planetary reducer comprises an output shaft, an output flange, an inner gear ring, an input shaft and an input flange, wherein the output flange, the inner gear ring and the input flange are fixedly connected, the inner gear ring is positioned on the right side of the output flange, the input flange is positioned on the right side of the inner gear ring, the right end of the output shaft penetrates through the output flange and extends to the left side in the inner gear ring, the right end of the inner wall of the inner gear ring is connected with the input shaft through a deep groove ball bearing a, the left end of the input shaft penetrates through the input flange and extends to the right side in the inner gear ring, the left side of the inner wall of the inner gear ring is engaged with three planet gears which are commonly engaged with a sun gear, the centers of the wheel bodies of the planet gears are connected with pin columns through needle bearings, the left ends of the pin columns are fixedly connected with the right end of the output shaft, the shaft body of the output shaft is connected with the inner wall of the output flange, the inner gear ring and the input flange are connected through bolt structures, the right end of the sun wheel shaft is pressed into the left end of the input shaft through a spline structure in an interference mode.
Preferably, the double-bearing mechanism comprises two deep groove ball bearings b, the two deep groove ball bearings b are respectively positioned on the left side and the right side of the inner part of the output flange, a hole retaining ring is arranged between the two deep groove ball bearings b, and a through hole retaining ring is arranged in an output shaft body.
Preferably, the bolt structure comprises eight hexagon socket head cap screws b, the edge of the opposite surface of the output flange and the inner gear ring is provided with four hexagon socket head cap screws b in a circular array, and the edge of the opposite surface of the input flange and the inner gear ring is provided with four hexagon socket head cap screws b in a circular array.
Preferably, the left end of the deep groove ball bearing b on the left side inside the output flange is provided with a shaft retaining ring a, and the right end of the output shaft body sequentially penetrates through the shaft retaining ring a, the deep groove ball bearing b on the left side inside the output flange, the hole retaining ring and the deep groove ball bearing b on the right side inside the output flange.
Preferably, the left side wall of the deep groove ball bearing a is fixedly connected with a baffle, a shaft retaining ring b is arranged between the right side wall of the baffle and the left side wall of the deep groove ball bearing a, and the left end of the input shaft sequentially penetrates through the deep groove ball bearing a, the shaft retaining ring b and the baffle.
Preferably, the left end of the output shaft is provided with a flat key, the right end of the input shaft is further provided with an inner hexagonal flat head screw, the right end of the input shaft is provided with inner hexagonal screws a, and the number of the inner hexagonal screws a is two.
Preferably, the right end of the input shaft is further provided with two hexagon socket head cap screws.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the inner hexagonal screws b are added at the input end and the output end simultaneously, so that the integral rigidity of the equipment is enhanced; the output end adopts a double-bearing structure, so that the transmission of the output end is more stable; the sun gear adopts the spline structure interference to impress the input for the input is more firm.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a working principle diagram of the present invention.
In the figure: 1. a flat bond; 2. an output shaft; 3. a shaft retainer ring a; 4. a hole retainer ring; 5. a deep groove ball bearing b; 6. An inner gear ring; 7. a sun gear; 8. a baffle plate; 9. a deep groove ball bearing a; 10. an input shaft; 11. an input flange; 12. an output flange; 13. a hexagon socket head cap screw b; 14. a pin; 15. a needle bearing; 16. a planet wheel; 17. a shaft retainer b; 18. a hexagon socket head cap screw a; 19. hexagon socket flat head screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides the following technical scheme: referring to fig. 1-2, a high-strength single-stage straight-tooth single-support planetary reducer comprises an output shaft 2, an output flange 12, an inner gear ring 6, an input shaft 10 and an input flange 11, wherein the left end of the output shaft 2 is provided with a flat key 1, the output flange 12, the inner gear ring 6 and the input flange 11 are fixedly connected to form a protective shell which effectively protects internal parts, the inner gear ring 6 is positioned on the right side of the output flange 12, the input flange 11 is positioned on the right side of the inner gear ring 6, the right end of the output shaft 2 penetrates through the output flange 12 and extends to the left side inside the inner gear ring 6, the right side of the inner wall of the inner gear ring 6 is connected with the input shaft 10 through a deep groove ball bearing a9, so that when the input shaft 10 is connected with an existing motor shaft, the motor shaft can drive the input shaft 10 to rotate inside the input flange 11, the left end of the input shaft 10 penetrates through the input flange 11 and extends to the right side inside the inner gear ring 6, the right end of the input shaft 10 is provided with a hexagon socket screw 18, the number of the inner hexagonal screws a18 is two, the right end of the input shaft 10 is also provided with two inner hexagonal flat head screws 19, the number of the inner hexagonal flat head screws 19 is two, the inner hexagonal flat head screws can be used for connecting the input shaft 10 with the existing motor shaft, the left side of the inner wall of the inner gear ring 6 is engaged with three planet wheels 16, the three planet wheels 16 are engaged with the sun wheel 7 together, so when the sun wheel 7 rotates, the three planet wheels 16 are driven to rotate around the edge of the inner gear ring 6, the center of the wheel body of the planet wheel 16 is connected with a pin 14 through a needle bearing 15, the left end of the pin 14 is fixedly connected with the right end of the output shaft 2, when the planet wheels 16 rotate, the output shaft 2 can be driven to rotate through the pin 14, the shaft body of the output shaft 2 is connected with the inner wall of the output flange 12 through a double-bearing mechanism, the double-bearing mechanism comprises two deep groove ball bearings b5, the number of the deep groove ball bearings b5 is two, the two deep groove ball bearings b5 are respectively positioned at the left side and the right side of the inner side of the output flange 12, the hole retainer ring 4 is arranged between the two deep groove ball bearings b5, the shaft body of the output shaft 2 penetrates through the hole retainer ring 4, so under the action of the two deep groove ball bearings b5, the shaft body of the output shaft 2 can rotate more stably, the output end of the utility model adopts a double-bearing structure, the transmission of the output end is more stable, the output flange 12, the inner gear ring 6 and the input flange 11 are connected by a bolt structure, the bolt structure comprises eight inner hexagon screws b13, the number of the inner hexagon screws b13 is eight, the edges of the opposite surfaces of the output flange 12 and the inner gear ring 6 are provided with four inner hexagon screws b13 in a circular array, the edges of the opposite surfaces of the input flange 11 and the inner gear ring 6 are provided with four inner hexagon screws b13 in a circular array, the connection among the output flange 12, the inner gear ring 6 and the input flange 11 is more stable, and the inner hexagon screws b13 are simultaneously added at the input end and the output end of the utility model, the integral rigidity of the equipment is enhanced, the right end of the wheel shaft of the sun wheel 7 is pressed into the left end of the input shaft 10 in an interference manner through a spline structure, so that the connection between the sun wheel 7 and the input shaft 10 is more stable, and the input end of the utility model is firmer;
furthermore, a shaft retaining ring a3 is arranged at the left end of a deep groove ball bearing b5 on the left side inside the output flange 12, the right end of a shaft body of the output shaft 2 sequentially penetrates through the shaft retaining ring a3, the deep groove ball bearing b5 on the left side inside the output flange 12, the hole retaining ring 4 and the deep groove ball bearing b5 on the right side inside the output flange 12, and the deep groove ball bearing b is the prior art, so that the structural design of the deep groove ball bearing b5 is reasonable;
furthermore, a baffle plate 8 is fixedly connected to the left side wall of the deep groove ball bearing a9, a shaft retaining ring b17 is arranged between the right side wall of the baffle plate 8 and the left side wall of the deep groove ball bearing a9, and the left end of the input shaft 10 sequentially penetrates through the deep groove ball bearing a9, the shaft retaining ring b17 and the baffle plate 8.
The working principle is as follows: the utility model relates to a single-stage straight-tooth single-support planetary reducer. The motor shaft is matched with the input shaft 10 of the utility model, and drives the input shaft 10 to rotate clockwise, so as to drive the sun gear 7 to rotate clockwise, when the sun gear 7 rotates clockwise, the planet gear 16 can be driven to rotate anticlockwise (rotate), and because the inner gear ring 6 is fixed, the planet gear 16 rotates and simultaneously drives the output shaft 2 to rotate clockwise (revolve), thereby realizing speed reduction and torque transmission.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A high-strength single-stage straight-tooth single-support planetary reducer comprises an output shaft (2), an output flange (12), an inner gear ring (6), an input shaft (10) and an input flange (11), wherein the output flange (12), the inner gear ring (6) and the input flange (11) are fixedly connected, the inner gear ring (6) is positioned on the right side of the output flange (12), the input flange (11) is positioned on the right side of the inner gear ring (6), the right end of the output shaft (2) penetrates through the output flange (12) and extends to the left side inside the inner gear ring (6), the right side of the inner wall of the inner gear ring (6) is connected with the input shaft (10) through a deep groove ball bearing a (9), the left end of the input shaft (10) penetrates through the input flange (11) and extends to the right inside the inner gear ring (6), the left side of the inner wall of the inner gear ring (6) is engaged with three planet wheels (16), and the three planet wheels (16) are engaged with a sun wheel (7) together, planet wheel (16) wheel body center is connected with round pin post (14) by bearing (15), and round pin post (14) left end and output shaft (2) right-hand member fixed connection, its characterized in that: the output shaft (2) is connected with the inner wall of an output flange (12) through a double-bearing mechanism, the output flange (12), the inner gear ring (6) and the input flange (11) are connected through a bolt structure, and the right end of a wheel shaft of the sun gear (7) is pressed into the left end of the input shaft (10) through a spline structure in an interference mode.
2. The high-strength single-stage straight-tooth single-support planetary reducer as claimed in claim 1, wherein: duplex bearing mechanism includes deep groove ball bearing b (5), deep groove ball bearing b (5) quantity is two, and two deep groove ball bearing b (5) are located output flange (12) inside left and right sides respectively, are equipped with hole retaining ring (4) between two deep groove ball bearing b (5), and output shaft (2) axis body through hole retaining ring (4).
3. The high-strength single-stage straight-tooth single-support planetary reducer as claimed in claim 1, wherein: the bolt structure includes hexagon socket head cap screw b (13), hexagon socket head cap screw b (13) quantity is eight, output flange (12) are circular array with ring gear (6) opposite face edge and are equipped with four hexagon socket head cap screw b (13) jointly, input flange (11) are circular array with ring gear (6) opposite face edge and are equipped with four hexagon socket head cap screw b (13) jointly.
4. The high-strength single-stage straight-tooth single-support planetary reducer as claimed in claim 2, wherein: the left end of the deep groove ball bearing b (5) on the left side inside the output flange (12) is provided with a shaft retaining ring a (3), and the right end of the shaft body of the output shaft (2) sequentially penetrates through the shaft retaining ring a (3), the deep groove ball bearing b (5) on the left side inside the output flange (12), the hole retaining ring (4) and the deep groove ball bearing b (5) on the right side inside the output flange (12).
5. The high-strength single-stage straight-tooth single-support planetary reducer as claimed in claim 1, wherein: deep groove ball bearing a (9) left side wall fixedly connected with baffle (8), be equipped with axle retaining ring b (17) between baffle (8) right side wall and deep groove ball bearing a (9) left side wall, input shaft (10) left end runs through deep groove ball bearing a (9), axle retaining ring b (17) and baffle (8) in proper order.
6. The high-strength single-stage straight-tooth single-support planetary reducer as claimed in claim 1, wherein: the left end of the output shaft (2) is provided with a flat key (1), the right end of the input shaft (10) is provided with inner hexagonal screws a (18), and the number of the inner hexagonal screws a (18) is two.
7. The high-strength single-stage straight-tooth single-support planetary reducer as claimed in claim 6, wherein: the right end of the input shaft (10) is further provided with two hexagon socket head cap screws (19), and the number of the hexagon socket head cap screws (19) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121964687.2U CN215763078U (en) | 2021-08-20 | 2021-08-20 | High-strength single-stage straight-tooth single-support planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121964687.2U CN215763078U (en) | 2021-08-20 | 2021-08-20 | High-strength single-stage straight-tooth single-support planetary reducer |
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| Publication Number | Publication Date |
|---|---|
| CN215763078U true CN215763078U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121964687.2U Active CN215763078U (en) | 2021-08-20 | 2021-08-20 | High-strength single-stage straight-tooth single-support planetary reducer |
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| Country | Link |
|---|---|
| CN (1) | CN215763078U (en) |
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2021
- 2021-08-20 CN CN202121964687.2U patent/CN215763078U/en active Active
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