CN117704010A - Large-torque bidirectional braking planetary reducer - Google Patents
Large-torque bidirectional braking planetary reducer Download PDFInfo
- Publication number
- CN117704010A CN117704010A CN202311809754.7A CN202311809754A CN117704010A CN 117704010 A CN117704010 A CN 117704010A CN 202311809754 A CN202311809754 A CN 202311809754A CN 117704010 A CN117704010 A CN 117704010A
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- Prior art keywords
- planetary
- planetary gear
- gear set
- power
- end cover
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 32
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 8
- 238000005255 carburizing Methods 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 16
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
A high-torque bidirectional braking planetary reducer comprises a power structure, a power input structure, an input end cover structure, a gear ring, a first planetary gear set, a second planetary gear set, a power output structure, an output end cover and a bearing seat; the power structure comprises a first motor and a second motor; the power input structure comprises a first pinion, a second pinion, a large gear, an input shaft, a first bearing and a second bearing. The power structure is provided with the two groups of motors, and the two groups of motors are meshed with the large gear on the input shaft through the first small gear and the second small gear respectively, so that compared with a traditional planetary reducer, the planetary reducer has the advantages of reducing the overall size, greatly saving the installation space, effectively improving the output torque and having wide applicability. In addition, the motor is used for controlling the forward and reverse rotation of the planetary reducer, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the field of speed reducers, in particular to a high-torque bidirectional braking planetary speed reducer.
Background
The planetary reducer is an industrial product with wide application, has the characteristics of reducing the rotating speed of a motor and increasing the output torque, and is widely applied to industries such as lifting, excavating, transporting, building and the like.
Chinese patent number 201610909809.5 discloses a planetary reducer of a high-torque manual cutting machine, which realizes a bidirectional braking effect by arranging a ratchet seat in the reducer, namely, the planetary reducer can be locked in forward rotation and reverse rotation. However, in the use process of the planetary reducer, a handle is required to be manually pulled, which is troublesome; in addition, the structure of the traditional high-torque speed reducer is complex, and the problem of large installation space exists.
Disclosure of Invention
The invention aims to: the invention aims to provide a high-torque bidirectional braking planetary reducer, which solves the existing problems.
The technical scheme is as follows: the invention provides a high-torque bidirectional braking planetary reducer which comprises a power structure, a power input structure, an input end cover structure, a gear ring, a first planetary gear set, a second planetary gear set, a power output structure, an output end cover and a bearing seat, wherein the power structure is connected with one end of the power input structure arranged in the input end cover structure, the other end of the power input structure is meshed with the first planetary gear set, the first planetary gear set and the second planetary gear set are arranged at one end of the power output structure in parallel and meshed with the gear ring arranged between the input end cover structure and the output end cover, and one end of the power output structure is arranged in the output end cover under the support of the bearing seat; the power structure comprises a first motor and a second motor; the power input structure comprises a first pinion, a second pinion, a large gear, an input shaft, a first bearing and a second bearing, wherein the first pinion and the second pinion are respectively connected with shafts of the first motor and the second motor, are arranged on two sides of the large gear arranged on the input shaft in parallel and meshed with the large gear, and the first bearing and the second bearing are arranged on two sides of the large gear on the input shaft in parallel. The power structure is provided with the two groups of motors, and the two groups of motors are meshed with the large gear on the input shaft through the first small gear and the second small gear respectively, so that compared with a traditional planetary reducer, the planetary reducer has the advantages of reducing the overall size, greatly saving the installation space, effectively improving the output torque and having wide applicability. In addition, the motor is used for controlling the forward and reverse rotation of the planetary reducer, and the operation is simple and convenient.
Further, the input shaft comprises a sun gear section, a first installation section, a first clamp spring installation section, a first connection section, a second installation section and a third installation section which are sequentially connected. The first installation section is used for installing the second bearing, the first jump ring installation section is used for installing the jump ring, the second installation section is then used for installing the gear wheel, and the third installation section is used for installing the first bearing.
Further, the tooth surface in the sun gear section is subjected to carburizing and quenching treatment. The bending fatigue strength and the tooth surface contact fatigue strength of the gear are improved, and the service life of the gear is prolonged. .
Further, the input end cover structure comprises an input end cover and an input end cover plate. The input end cover and the input end cover plate are connected through bolts and are respectively used for installing a first gear and a second gear in the power input structure.
Further, the power output structure comprises a planetary gear carrier with an output shaft, a second planetary gear set mounting frame and a baffle plate, wherein the planetary gear carrier with the output shaft and the baffle plate are respectively arranged at two ends of the second planetary gear set mounting frame. The planetary gear carrier with the output shaft, the second planetary gear set mounting rack and the baffle are fixed through bolts.
Further, the planetary gear carrier with the output shaft comprises an output shaft and a first planetary gear set mounting frame. Compared with the split design of the output shaft and the first planetary gear set mounting frame in the traditional planetary reducer, the output shaft and the first planetary gear set mounting frame are integrally designed, so that the integral rigidity and the integral precision are greatly improved, the vibration of the planetary reducer during working is effectively reduced, and the integral service life is prolonged.
Further, the output shaft comprises a stud section, a fourth installation section, a second clamp spring installation section and a second connection section which are connected in sequence. The stud section is used for installing the bolt and is used for limiting the bearing seat, the fourth installation section is used for installing the bearing seat, the second jump ring installation section is used for installing the jump ring, and the operation is simple and convenient.
Further, the first planetary gear set mounting frame comprises a first connecting seat and a first planetary shaft, wherein the first planetary shaft is provided with a plurality of groups, and the first planetary shaft is arranged on the first connecting seat in a circumferential array by taking the center of the first connecting seat as the center. The first planetary shaft is used to mount gears in the first planetary gear set,
further, the second planetary gear set mounting frame comprises a second connecting seat and a second planetary shaft, wherein the second planetary shaft is provided with a plurality of groups, and the second planetary shaft is arranged on the second connecting seat in a circumferential array by taking the center of the second connecting seat as the center. The second planetary shaft is used to mount gears in the second planetary gear set.
The technical scheme can be seen that the invention has the following beneficial effects: 1) The power structure is provided with two groups of motors, so that the overall size is reduced, the installation space is greatly saved, the output torque is effectively improved, and the power structure has wide applicability; 2) The planetary reducer is controlled to rotate positively and negatively through the two groups of motors, so that the operation is simple and convenient; 3) The output shaft and the first planetary gear set mounting frame are integrally designed, so that the overall rigidity and the accuracy are greatly improved, and the vibration of the planetary reducer during working is effectively reduced, and the overall service life is prolonged.
Drawings
FIG. 1 is a front view cross-section of the present invention;
FIG. 2 is a front view of the input shaft;
fig. 3 is a front view exploded view of the power take-off structure.
In the figure: the power structure 1, the first motor 11, the second motor 12, the power input structure 2, the first pinion 21, the second pinion 22, the bull gear 23, the input shaft 24, the sun gear segment 241, the first mounting segment 242, the first snap spring mounting segment 243, the first connecting segment 244, the second mounting segment 245, the third mounting segment 246, the first bearing 25, the second bearing 26, the input end cover structure 3, the input end cover 31, the input end cover plate 32, the ring gear 4, the first planetary gear set 5, the second planetary gear set 6, the power output structure 7, the output shaft planetary gear carrier 71, the output shaft 711, the stud segment 7111, the fourth mounting segment 7112, the second snap spring mounting segment 7113, the second connecting segment 7114, the first planetary gear set mounting segment 712, the first connecting seat 7121, the first planetary shaft 7122, the limiting segment 71221, the fifth mounting segment 71222, the third snap spring mounting segment 71223, the second connecting segment 71224, the second planetary gear set 72, the second connecting seat 7221, the second shaft 7222, the baffle plate end cover 8, and the output shaft 9.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Example 1
Referring to fig. 1, a perspective cross-sectional view of the present invention is shown, which comprises a power structure 1, a power input structure 2, an input end cover structure 3, a gear ring 4, a first planetary gear set 5, a second planetary gear set 6, a power output structure 7, an output end cover 8 and a bearing seat 9, wherein the power structure 1 is connected with one end of the power input structure 2 arranged in the input end cover structure 3, the other end of the power input structure 2 is meshed with the first planetary gear set 5, the first planetary gear set 5 and the second planetary gear set 6 are arranged at one end of the power output structure 7 in parallel and meshed with the gear ring 4 arranged between the input end cover structure 3 and the output end cover 8, and one end of the power output structure 7 is arranged in the output end cover 8 under the support of the bearing seat 9; wherein the power structure 1 comprises a first motor 11 and a second motor 12; the power input structure 2 comprises a first pinion 21, a second pinion 22, a large gear 23, an input shaft 24, a first bearing 25 and a second bearing 26, wherein the first pinion 21 and the second pinion 22 are respectively connected with shafts of the first motor 11 and the second motor 12, are arranged on two sides of the large gear 23 arranged on the input shaft 24 in parallel and are meshed with the large gear, and the first bearing 25 and the second bearing 26 are arranged on two sides of the large gear 23 on the input shaft 24 in parallel.
As shown in fig. 2, the front view of the input shaft 24 includes a sun gear segment 241, a first mounting segment 242, a first clamp spring mounting segment 243, a first connecting segment 244, a second mounting segment 245, and a third mounting segment 246, which are sequentially connected.
The tooth surface in the sun gear section 241 is carburized and quenched.
The input end cap structure 3 comprises an input end cap 31 and an input end cap plate 32.
Fig. 3 shows an exploded front view of the power output structure 7, which includes a carrier 71 with an output shaft, a second planetary gear set mounting frame 72, and a baffle 73, wherein the carrier 71 with an output shaft and the baffle 73 are respectively disposed at two ends of the second planetary gear set mounting frame 72.
The output shaft planetary gear carrier 71 includes an output shaft 711, a first planetary gear set mounting bracket 712.
The output shaft 711 comprises a stud section 7111, a fourth mounting section 7112, a second clamp spring mounting section 7113 and a second connecting section 7114 which are sequentially connected.
The first planetary gear set mounting rack 712 includes a first connection seat 7121 and a first planetary shaft 7122, wherein the first planetary shaft 7122 has a plurality of groups, and is disposed on the first connection seat 7121 in a circumferential array with the center of the first connection seat 7121 as the center.
The second planetary gear set mounting frame 72 includes a second connection seat 7221 and a second planetary shaft 7222, where the second planetary shaft 7222 has several groups and is disposed on the second connection seat 7221 in a circumferential array with the center of the second connection seat 7221 as the center.
In this embodiment, the first planetary gear set 5 and the second planetary gear set 6 each have four sets of planetary gears, so the corresponding first planetary shaft 7122 and second planetary shaft 7222 each have four sets. As shown in fig. 3, the first planetary shaft 7122 and the second planetary shaft 7222 have the same structure, and include a limiting section 71221, a fifth mounting section 71222, a third snap spring mounting section 71223, and a second connecting section 71224, which are sequentially connected, where the fifth mounting section is used for mounting a bearing disposed in the planetary gear, and the third snap spring mounting section is used for mounting a snap spring. In the embodiment, all gears are made of chrome-nickel high-quality gear steel, so that the rigidity of the gears is improved, and the deformation and abrasion are reduced.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (9)
1. A high-torque bidirectional braking planetary reducer is characterized in that: the novel planetary gear set comprises a power structure (1), a power input structure (2), an input end cover structure (3), a gear ring (4), a first planetary gear set (5), a second planetary gear set (6), a power output structure (7), an output end cover (8) and a bearing seat (9), wherein the power structure (1) is connected with one end of the power input structure (2) arranged in the input end cover structure (3), the other end of the power input structure (2) is meshed with the first planetary gear set (5), the first planetary gear set (5) and the second planetary gear set (6) are arranged at one end of the power output structure (7) in parallel and meshed with the gear ring (4) arranged between the input end cover structure (3) and the output end cover (8), and one end of the power output structure (7) is arranged in the output end cover (8) under the support of the bearing seat (9); wherein the power structure (1) comprises a first motor (11) and a second motor (12); the power input structure (2) comprises a first pinion (21), a second pinion (22), a large gear (23), an input shaft (24), a first bearing (25) and a second bearing (26), wherein the first pinion (21) and the second pinion (22) are respectively connected with shafts of the first motor (11) and the second motor (12), are arranged on two sides of the large gear (23) arranged on the input shaft (24) in parallel and meshed with the same, and the first bearing (25) and the second bearing (26) are arranged on the input shaft (24) in parallel and are positioned on two sides of the large gear (23).
2. The high torque bi-directional braking planetary reducer of claim 1, wherein: the input shaft (24) comprises a sun gear section (241), a first mounting section (242), a first clamp spring mounting section (243), a first connecting section (244), a second mounting section (245) and a third mounting section (246) which are sequentially connected.
3. The high torque bi-directional braking planetary reducer of claim 2, wherein: a tooth surface in the sun gear section (241) is subjected to carburizing and quenching treatment.
4. The high torque bi-directional braking planetary reducer of claim 1, wherein: the input end cover structure (3) comprises an input end cover (31) and an input end cover plate (32).
5. The high torque bi-directional braking planetary reducer of claim 1, wherein: the power output structure (7) comprises a planetary gear carrier (71) with an output shaft, a second planetary gear set mounting frame (72) and a baffle plate (73), wherein the planetary gear carrier (71) with the output shaft and the baffle plate (73) are respectively arranged at two ends of the second planetary gear set mounting frame (72).
6. The high torque bi-directional braking planetary reducer of claim 2, wherein: the planetary gear carrier (71) with an output shaft comprises an output shaft (711) and a first planetary gear set mounting frame (712).
7. The high torque bi-directional braking planetary reducer of claim 3, wherein: the output shaft (711) comprises a stud section (7111), a fourth mounting section (7112), a second clamp spring mounting section (7113) and a second connecting section (7114) which are sequentially connected.
8. The high torque bi-directional braking planetary reducer of claim 1, wherein: the first planetary gear set mounting rack (712) comprises a first connecting seat (7121) and a first planetary shaft (7122), wherein the first planetary shaft (7122) is provided with a plurality of groups, and the first planetary shaft is arranged on the first connecting seat (7121) in a circumferential array by taking the center of the first connecting seat (7121) as the center.
9. The high torque bi-directional braking planetary reducer of claim 1, wherein: the second planetary gear set mounting frame (72) comprises a second connecting seat (7221) and second planetary shafts (7222), wherein the second planetary shafts (7222) are provided with a plurality of groups, and the second connecting seat (7221) is arranged on the second connecting seat (7221) in a circumferential array by taking the center of the second connecting seat (7221) as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311809754.7A CN117704010A (en) | 2023-12-26 | 2023-12-26 | Large-torque bidirectional braking planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311809754.7A CN117704010A (en) | 2023-12-26 | 2023-12-26 | Large-torque bidirectional braking planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117704010A true CN117704010A (en) | 2024-03-15 |
Family
ID=90151432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311809754.7A Pending CN117704010A (en) | 2023-12-26 | 2023-12-26 | Large-torque bidirectional braking planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117704010A (en) |
-
2023
- 2023-12-26 CN CN202311809754.7A patent/CN117704010A/en active Pending
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