CN217519142U - Integrated two-stage planetary transmission mechanism - Google Patents
Integrated two-stage planetary transmission mechanism Download PDFInfo
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- CN217519142U CN217519142U CN202220400885.4U CN202220400885U CN217519142U CN 217519142 U CN217519142 U CN 217519142U CN 202220400885 U CN202220400885 U CN 202220400885U CN 217519142 U CN217519142 U CN 217519142U
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Abstract
An integrated two-stage planetary transmission mechanism comprises a first-stage planetary assembly, a second-stage planetary assembly, a sun gear, an input shaft, a left-end fixing seat, a right-end fixing seat and an integrated planetary carrier, wherein the right-end fixing seat is fixedly arranged at the right end part of the integrated planetary carrier; the utility model discloses an integral type structure, at long-term operation in-process, be difficult to produce fatigue defect, can improve drive mechanism's stability, reduced decelerator fault rate, improved decelerator's life and availability factor.
Description
Technical Field
The utility model relates to a transmission technical field especially relates to an integral type two-stage planetary transmission mechanism.
Background
At present, two-stage planet assemblies in the two-stage planet speed reducing transmission mechanism are connected by adopting connecting bolts, a lengthened shaft is adopted in the middle of the two-stage planet speed reducing transmission mechanism to transmit torque, and in the operation process, as the radial force of the speed reducing transmission mechanism is repeatedly changed due to the repeated change of the output torque, the radial force of the speed reducing transmission mechanism is also repeatedly changed, and a certain influence is exerted on the speed reducing transmission mechanism in the speed reducing transmission mechanism, so that in the operation process, the connection part of the two-stage planet assemblies is easily influenced by the load change for a long time to generate fatigue defects, the instability of the transmission mechanism is caused, the transmission mechanism is further influenced, if the transmission mechanism is broken or damaged, only the speed reducing transmission mechanism can be replaced, the service life is shortened, and the use efficiency is reduced.
Disclosure of Invention
In order to solve the technical problems in the prior art, it is necessary to provide an integrated two-stage planetary transmission mechanism.
An integrated two-stage planetary transmission mechanism comprises a first-stage planetary component, a second-stage planetary component, a sun gear, an input shaft, a left end fixing seat, a right end fixing seat and an integrated planet carrier, the right end fixing seat is fixedly arranged at the right end part of the integrated planet carrier, one end of the left end fixing seat is inserted into the inner part of the left end of the integrated planet carrier, and is fixed with the left end part of the integrated planet carrier, the secondary planet component is arranged at the right part of the integrated planet carrier, the primary planet component is arranged in the left end fixing seat, and is positioned at one side of the left end fixed seat close to the right end fixed seat, the sun gear is arranged in the integrated planet carrier, one end of the sun gear is connected with the primary planet component in a key way, the other end of the sun gear is meshed with the secondary planet component, the input shaft is inserted into the left end fixing seat along the axial direction of the left end fixing seat and is meshed with the primary planet assembly.
Preferably, the secondary planet subassembly includes output ring gear, secondary planet wheel, the secondary planet wheel is circumference equipartition and installs on integral type planet carrier to be located integral type planet carrier right side, the snare dress of output ring gear is on integral type planet carrier to the inner wall of output ring gear meshes with the outer wall of secondary planet wheel mutually.
Preferably, the one-level planet subassembly includes planet support body, one-level planet wheel, the one-level planet wheel is the circumference equipartition and installs on the planet support body, the outer wall of one-level planet wheel meshes with the inner wall of left end fixing base mutually, the one-level planet wheel meshes with the input shaft, planet support body suit is on the input shaft, the planet support body is close to the one end and the sun gear key-type connection of right-hand member fixing base.
Preferably, the end of the left end fixing seat close to the right end fixing seat is provided with a mounting sink groove, the inner wall of the mounting sink groove is provided with inner teeth, and the inner teeth are meshed with the primary planet wheel.
Preferably, the planet carrier body is connected with the sun gear through a spline.
Preferably, one end of the sun gear close to the input shaft is provided with a gasket.
As known from the technical scheme, the utility model provides an integrated two-stage planetary transmission mechanism, which comprises a first-stage planetary component, a second-stage planetary component, a sun gear, an input shaft, a left-end fixing seat, a right-end fixing seat and an integrated planetary carrier, wherein the right-end fixing seat is fixedly arranged at the right end part of the integrated planetary carrier, one end of the left-end fixing seat is inserted into the left end of the integrated planetary carrier and is fixed with the left end part of the integrated planetary carrier, the second-stage planetary component is arranged at the right part of the integrated planetary carrier, the first-stage planetary component is arranged in the left-end fixing seat and is positioned at one side of the left-end fixing seat close to the right-end fixing seat, the sun gear is arranged in the integrated planetary carrier, one end of the sun gear is connected with the first-stage planetary component, the other end of the sun gear is meshed with the second-stage planetary component, the input shaft is inserted into the left-end fixing seat along the axial direction of the left-end fixing seat, and is meshed with the primary planet assembly; the utility model discloses an integral type structure, long-term operation in-process is difficult to produce fatigue defect, can improve drive mechanism's stability, has reduced decelerator fault rate, has improved decelerator's life and availability factor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: first grade planet subassembly 1, planet carrier body 11, first grade planet wheel 12, second grade planet subassembly 2, output ring gear 21, second grade planet wheel 22, sun gear 3, input shaft 4, left end fixing base 5, right-hand member fixing base 6, integral type planet carrier 7, installation heavy groove 8, packing ring 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1, an embodiment of the present invention provides an integrated two-stage planetary transmission mechanism, including a first-stage planetary assembly 1, a second-stage planetary assembly 2, a sun gear 3, an input shaft 4, a left-end fixing seat 5, a right-end fixing seat 6, and an integrated planetary carrier 7, wherein the right-end fixing seat 6 is fixedly disposed at the right end of the integrated planetary carrier 7, one end of the left-end fixing seat 5 is inserted into the left end of the integrated planetary carrier 7 and is fixed with the left end of the integrated planetary carrier 7, the second-stage planetary assembly 2 is mounted at the right end of the integrated planetary carrier 7, the first-stage planetary assembly 1 is mounted in the left-end fixing seat 5 and is located at one side of the left-end fixing seat 5 close to the right-end fixing seat 6, the sun gear 3 is disposed inside the integrated planetary carrier 7, one end of the sun gear 3 is keyed to the first-stage planetary assembly 1, the other end of the sun gear 3 is engaged with the second-stage planetary assembly 2, the two-stage planetary transmission structure forms an integrated rigid structure, fatigue defects are not easy to generate in the long-term operation process, the stability of the transmission mechanism can be improved, the fault rate of the speed reducer is reduced, and the service life and the service efficiency of the speed reducer are improved. The input shaft 4 is inserted into the left end fixing seat 5 in the axial direction of the left end fixing seat 5, and is engaged with the primary planetary assembly 1.
In one embodiment, the secondary planetary assembly 2 includes an output ring gear 21 and secondary planetary gears 22, the secondary planetary gears 22 are circumferentially and uniformly arranged on the integrated planet carrier 7 and are located on the right side of the integrated planet carrier 7, the secondary planetary gears 22 are meshed with the sun gear 3, the output ring gear 21 is sleeved on the integrated planet carrier 7, and the inner wall of the output ring gear 21 is meshed with the outer wall of the secondary planetary gears 22.
In an embodiment, the one end that left end fixing base 5 is close to right-hand member fixing base 6 is provided with installation heavy groove 8, one-level planet subassembly 1 is installed at the heavy inslot, one-level planet subassembly 1 includes planet support body 11, one-level planet wheel 12 is the circumference equipartition and installs on planet support body 11, be provided with the internal tooth on the inner wall of installation heavy groove 8, the internal tooth meshes with one-level planet wheel 12 mutually, one-level planet wheel 12 meshes with input shaft 4, 11 suits of planet support body are on input shaft 4, the one end that planet support body 11 is close to right-hand member fixing base 6 is connected with 3 keys of sun gear. Wherein, the planet carrier body 11 and the sun gear 3 adopt spline connection.
One end of the sun gear 3 near the input shaft 4 is provided with a washer 9.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an integral type two-stage planetary transmission mechanism which characterized in that: including one-level planet subassembly, second grade planet subassembly, sun gear, input shaft, left end fixing base, right-hand member fixing base, integral type planet carrier, the fixed right-hand member portion that sets up at the integral type planet carrier of right-hand member fixing base, the inside of integral type planet carrier left end is inserted to the one end of left end fixing base to with the left end fixed of integral type planet carrier, second grade planet subassembly is installed in integral type planet carrier right part, one-level planet subassembly is installed in the left end fixing base to be located one side that the left end fixing base is close to the right-hand member fixing base, the sun gear sets up the inside at the integral type planet carrier, the one end and the one-level planet subassembly key-type connection of sun gear, the other end and the meshing of second grade planet subassembly of sun gear, the input shaft inserts in the left end fixing base along the axial direction of left end fixing base to mesh with one-level planet subassembly.
2. The integrated two-stage planetary transmission according to claim 1, characterized in that: the secondary planet subassembly includes output ring gear, secondary planet wheel, the secondary planet wheel is circumference equipartition and installs on integral type planet carrier to be located integral type planet carrier right side, the suit of output ring gear is on integral type planet carrier, and the inner wall of output ring gear meshes with the outer wall of secondary planet wheel mutually.
3. An integrated two-stage planetary transmission according to claim 1 or 2, characterized in that: the one-level planet subassembly includes planet support body, one-level planet wheel, the one-level planet wheel is circumference equipartition and installs on the planet support body, the outer wall of one-level planet wheel meshes with the inner wall of left end fixing base mutually, the one-level planet wheel meshes with the input shaft, planet support body suit is on the input shaft, the planet support body is close to the one end and the sun gear key-type connection of right-hand member fixing base.
4. The integrated two-stage planetary transmission according to claim 3, characterized in that: the one end that the fixed seat of left end is close to the right-hand member fixed seat is provided with the installation heavy groove, be provided with the internal tooth on the inner wall in installation heavy groove, the internal tooth meshes with one-level planet wheel mutually.
5. The integrated two-stage planetary transmission according to claim 3, characterized in that: the planet carrier body is connected with the sun gear through a spline.
6. The integrated two-stage planetary transmission according to claim 3, characterized in that: and a gasket is arranged at one end of the sun wheel close to the input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220400885.4U CN217519142U (en) | 2022-02-25 | 2022-02-25 | Integrated two-stage planetary transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220400885.4U CN217519142U (en) | 2022-02-25 | 2022-02-25 | Integrated two-stage planetary transmission mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN217519142U true CN217519142U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220400885.4U Active CN217519142U (en) | 2022-02-25 | 2022-02-25 | Integrated two-stage planetary transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217519142U (en) |
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2022
- 2022-02-25 CN CN202220400885.4U patent/CN217519142U/en active Active
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