CN219796059U - Speed reducer planet carrier assembly - Google Patents
Speed reducer planet carrier assembly Download PDFInfo
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- CN219796059U CN219796059U CN202321000821.6U CN202321000821U CN219796059U CN 219796059 U CN219796059 U CN 219796059U CN 202321000821 U CN202321000821 U CN 202321000821U CN 219796059 U CN219796059 U CN 219796059U
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- speed reducer
- input shaft
- carrier assembly
- planet carrier
- output shaft
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 84
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
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Abstract
The utility model relates to the technical field of speed reducers and discloses a speed reducer planet carrier assembly, which comprises a speed reducer shell, wherein an output shaft is rotatably arranged on the side part of the speed reducer shell, an input shaft is rotatably arranged in the speed reducer shell, the input shaft is in transmission connection with the output shaft, a central gear is arranged at the end part of the input shaft, an inner end key of the output shaft is connected with a force output shaft, a first limit cover is arranged at the end part of the force output shaft, a plurality of planet gears are rotatably arranged on the side part of the first limit cover, the plurality of planet gears encircle the outer side of the central gear, the plurality of planet gears are meshed with the central gear, an inner gear ring is arranged in the speed reducer shell, the plurality of planet gears are meshed with the inner gear ring at the same time, a second limit cover is rotatably arranged on the back side of the planet gears, a slot is formed in the side part of the second limit cover, the back side end of the planet gears is correspondingly inserted with the slot, the running stability is improved, and the precision of the speed reducer is maintained.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a speed reducer planet carrier assembly.
Background
The planetary speed reducer is a transmission mechanism, which is composed of an inner gear ring tightly combined with the gear box shell, a sun gear driven by external power is arranged in the center of the ring gear, a group of planetary gear sets composed of three gears equally divided and combined on the tray are arranged between the inner gear ring and the sun gear, and the group of planetary gears floats in the period by virtue of the output shaft, the inner gear ring and the sun gear; when the power on the input side drives the sun gear, the planetary gear is driven to rotate and revolve along the center along the track of the inner gear ring, and the planetary rotation drives the output shaft connected to the tray to output power. The rotation number of the motor is reduced to a required rotation number by a speed converter of a gear, and a mechanism with a large torque is obtained.
In the existing speed reducer planet carrier assembly, the front side of a planet gear is connected with an output shaft, the back side of the planet gear lacks support and is only meshed by meshing with a central gear, and after the speed reducer is used for a long time, the front and back positions of the planet gear can slightly deviate, so that the integral conversion precision of the speed reducer and the compactness of installation between structures are influenced; therefore, the existing requirements are not met, and for this purpose we propose a reducer planet carrier assembly.
Disclosure of Invention
The utility model provides a planet carrier assembly of a speed reducer, which has the beneficial effects that the problems that the front side of a planet gear of the planet carrier assembly of the speed reducer is connected with an output shaft, the back side of the planet gear is lack of support and is only meshed by meshing with a central gear, and after the speed reducer is used for a long time, the front position and the rear position of the planet gear are slightly deviated, so that the integral conversion precision of the speed reducer and the compactness of the installation between structures are influenced are solved.
The utility model provides the following technical scheme: the utility model provides a speed reducer planet carrier assembly, includes the speed reducer shell, and the output shaft is installed in the rotation of speed reducer shell lateral part, the inside rotation of speed reducer shell is provided with the input shaft, the input shaft with output shaft transmission is connected, the sun gear is installed to the tip of input shaft, the inner key of output shaft is connected with the play power axle, first spacing lid is installed to the tip of play power axle, a plurality of planetary gears are installed in the lateral part rotation of first spacing lid, a plurality of planetary gears all encircle the outside of sun gear, and a plurality of planetary gears with the sun gear meshing, the internally mounted of speed reducer shell has the internal gear ring, a plurality of planetary gears simultaneously with the internal gear ring meshing, the second spacing lid is installed in the back side rotation of planetary gears, the slot has been seted up to the lateral part of second spacing lid, the back side end of planetary gears with the slot corresponds the grafting.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: and a through hole is formed in the middle of the second limiting cover, the input shaft penetrates through the through hole, and the input shaft is in clearance fit with the through hole.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: and the outer side of the second limit cover is provided with a ring-shaped bearing, and the outer end of the ring-shaped bearing is attached to the inner wall of the speed reducer shell.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: and an in-hole bearing is arranged in the perforation, the input shaft penetrates through the in-hole bearing, and the outer wall of the output shaft is attached to the inner annular wall of the in-hole bearing.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: the side part of the first limiting cover is fixedly provided with a plurality of fixing columns, a plurality of planetary gears are rotatably arranged on the outer sides of the fixing columns, the end parts of the fixing columns extend out of supporting columns, and the supporting columns are spliced with the slots.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: the internal mounting of speed reducer shell has the solid fixed ring, the solid fixed ring sets up to have the circular sleeve of tooth, the internal gear ring is installed the inside of solid fixed ring, the internal gear ring with gu fixed ring key connection, the internal gear ring sets up to the ring of inside a plurality of tooth of distribution.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: the input shaft is coaxially arranged with the sun gear, the input shaft is in key connection with the sun gear, and the output shaft are coaxially arranged with the input shaft.
As an alternative to the speed reducer planet carrier assembly of the present utility model, wherein: the bottom side of speed reducer shell integration welding has the mounting panel, the mounting panel sets up to the board that has the mounting hole.
The utility model has the following beneficial effects:
1. this speed reducer planet carrier assembly, through the setting of second limiting plate, provide support to the planetary gear for the planetary gear is limited in both sides around the during operation, and after the long-term use of speed reducer, the planetary gear is difficult to take place the skew, thereby has improved the stability of operation, maintains the precision of speed reducer, and the dorsal part of planetary gear can peg graft in the slot of second limiting plate lateral part, has further improved the stability of planetary gear operation, has also further improved the precision of speed reducer planet carrier assembly.
2. According to the planet carrier assembly of the speed reducer, through the arrangement of the annular bearing, the second limiting cover rotates more smoothly, sliding friction generated by the second limiting cover and the inner wall of the outer shell of the speed reducer is converted into rolling friction, friction resistance generated by the second limiting cover is reduced, the rotation of the second limiting cover can keep up with the rotation of the planet gear, and the operation efficiency of the planet carrier assembly of the speed reducer is improved.
3. This speed reducer planet carrier assembly through clearance fit between input shaft and the perforation for the rotation of second limiting plate does not receive the influence of input shaft, thereby makes the input shaft can maintain self due rotational speed, and through the setting of downthehole bearing, even the speed reducer runs into vibrations or jolts when running, downthehole bearing also can help the input shaft keep having a distance with the perforation inner wall, makes there is not direct contact between the two, improves the stability of speed reducer planet carrier assembly operation.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic side view cross-sectional structure of the present utility model.
Fig. 3 is a schematic cross-sectional view of the present utility model.
Fig. 4 is a schematic structural view of a second limiting cover according to the present utility model.
In the figure: 110. a speed reducer housing; 111. a mounting plate; 120. an output shaft; 130. a force output shaft; 140. a sun gear; 150. a planetary gear; 160. an inner gear ring; 170. a fixing ring; 180. a first limit cover; 190. the second limit cover; 191. a ring-type bearing; 200. an input shaft; 210. fixing the column; 220. a support column; 230. a slot; 240. perforating; 241. and a bearing in the hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
This embodiment is intended to facilitate solving the problem that there is a planetary carrier assembly of a speed reducer, in which the front side of a planetary gear is connected to an output shaft, while the back side of the planetary gear lacks support, and is only engaged by engagement with a sun gear, after the speed reducer is used for a long time, a slight shift occurs in the front-rear position of the planetary gear, thereby affecting the overall conversion accuracy of the speed reducer and the tightness of the installation between the structures, referring to fig. 1-4, a planetary carrier assembly of a speed reducer includes a speed reducer housing 110, an output shaft 120 is rotatably installed at the side of the speed reducer housing 110, an input shaft 200 is rotatably installed inside the speed reducer housing 110, the input shaft 200 is in driving connection with the output shaft 120, a sun gear 140 is also installed at the end of the input shaft 200, a force output shaft 130 is connected to an inner end of the output shaft 130, a first limit cap 180 is installed at the side of the first limit cap 180, a plurality of planetary gears 150 are rotatably installed around the outside of the sun gear 140, and a plurality of planetary gears 150 are engaged with the sun gear 140.
The internally mounted of speed reducer shell 110 has inner gear ring 160, and specifically when setting up, the internally mounted of speed reducer shell 110 has solid fixed ring 170, and gu fixed ring 170 sets up to the circular sleeve that has the tooth, and inner gear ring 160 installs in gu fixed ring 170's inside, and inner gear ring 160 is connected with gu fixed ring 170 key, and inner gear ring 160 sets up to the ring that inside distributes a plurality of tooth.
The plurality of planetary gears 150 are simultaneously meshed with the inner gear ring 160, the back side of each planetary gear 150 is rotatably provided with a second limiting cover 190, the side part of each second limiting cover 190 is provided with a slot 230, and the back side end of each planetary gear 150 is correspondingly inserted into each slot 230.
When specifically setting up, the inside cylindrical space that sets up of speed reducer shell 110, the bottom side integration welding of speed reducer shell 110 has mounting panel 111, and mounting panel 111 sets up to the board that has the mounting hole. Meanwhile, a plurality of fixing columns 210 are fixedly welded and mounted on the side portion of the first limiting cover 180, the fixing columns 210 are vertically connected with the second limiting cover 190, a plurality of planetary gears 150 are rotatably mounted on the outer sides of the fixing columns 210, support columns 220 extend out of the end portions of the fixing columns 210, the support columns 220 are spliced with the slots 230, and running stability of the planetary gears 150 is further improved.
In this embodiment: through the setting of the second spacing cover 190, support is provided to the planetary gear 150 for the planetary gear 150 is limited in front and back both sides during operation, and after the long-term use of speed reducer, the planetary gear 150 is difficult to take place the skew, thereby has improved the stability of operation, maintains the precision of speed reducer, and the dorsal part of planetary gear 150 can peg graft in the slot 230 of the lateral part of the second spacing cover 190, has further improved the stability of planetary gear 150 operation, has also further improved the precision of speed reducer planet carrier subassembly.
Example 2
The present embodiment is intended to facilitate the solution of the problem that the input shaft 200 is connected to the second limiting cover 190 from the back side of the central gear 140 and overlaps the second limiting cover 190, and if the speed reducer is subject to shaking during use, the input shaft 200 and the second limiting cover 190 are easily connected to each other to damage the stability of the planet carrier assembly, in which the present embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 1-4, a through hole 240 is formed in the middle of the second limiting cover 190, the input shaft 200 penetrates through the through hole 240, and the input shaft 200 is in clearance fit with the through hole 240.
The input shaft 200 is disposed coaxially with the sun gear 140, the input shaft 200 is keyed to the sun gear 140, and the output shaft 120 and the output shaft 130 are likewise disposed coaxially with the input shaft 200. The through hole 240 is internally provided with an in-hole bearing 241, the input shaft 200 passes through the in-hole bearing 241, the in-hole bearing 241 is provided as a high-speed ball bearing, and the outer wall of the output shaft 120 is attached to the inner annular wall of the in-hole bearing 241.
In this embodiment: through clearance fit between input shaft 200 and perforation 240 for the rotation of second spacing lid 190 is not influenced by input shaft 200, thereby makes input shaft 200 can maintain self due rotational speed, and through the setting of downthehole bearing 241, even the speed reducer runs into vibrations or jolts, downthehole bearing 241 also can help input shaft 200 keep having the distance with perforation 240 inner wall, makes there is not direct contact between the two, improves the stability of speed reducer planet carrier subassembly operation.
Example 3
The present embodiment is intended to facilitate solving the problem that the second limit cover 190 generates larger friction with the speed reducer housing 110 when rotating and affects the rotation speed of the output shaft 130, and is an improvement made on the basis of embodiment 2, specifically referring to fig. 1-4, a ring-shaped side bearing 191 is mounted on the outer side of the second limit cover 190, the outer end of the ring-shaped side bearing 191 is attached to the inner wall of the speed reducer housing 110, the ring-shaped side bearing 191 is configured as a bush bearing, and sliding friction generated by the second limit cover 190 and the inner wall of the speed reducer housing 110 is converted into rolling friction, so that friction resistance generated is reduced.
In this embodiment: through the setting of ring side bearing 191, the rotation of second spacing lid 190 is more smooth, and the generated sliding friction of second spacing lid 190 and speed reducer housing 110 inner wall changes into rolling friction, has reduced the frictional resistance that can produce for the rotation of second spacing lid 190 can keep up with the rotation of planetary gear 150, has improved the operating efficiency of speed reducer planet carrier assembly.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. The utility model provides a speed reducer planet carrier assembly, includes speed reducer shell (110), and output shaft (120) are installed in speed reducer shell (110) lateral part rotation, the inside rotation of speed reducer shell (110) is provided with input shaft (200), input shaft (200) with output shaft (120) transmission connection, its characterized in that: the utility model discloses a speed reducer is characterized by also having sun gear (140) installed to the tip of input shaft (200), the inner key of output shaft (120) is connected with out power axle (130), first spacing lid (180) is installed to the tip of output shaft (130), a plurality of planetary gears (150) are installed in the lateral part rotation of first spacing lid (180), and a plurality of planetary gears (150) all encircle the outside of sun gear (140), and a plurality of planetary gears (150) with sun gear (140) meshing, the internally mounted of speed reducer shell (110) have internal tooth ring (160), a plurality of planetary gears (150) simultaneously with internal tooth ring (160) meshing, the back side rotation of planetary gears (150) is installed second spacing lid (190), slot (230) have been seted up to the lateral part of second spacing lid (190), the back side end of planetary gears (150) with slot (230) are pegged graft correspondingly.
2. A reducer planet carrier assembly according to claim 1, wherein: the middle part of the second limiting cover (190) is provided with a through hole (240), the input shaft (200) penetrates through the through hole (240), and the input shaft (200) is in clearance fit with the through hole (240).
3. A reducer planet carrier assembly according to claim 1, wherein: a ring-shaped bearing (191) is mounted on the outer side of the second limit cover (190), and the outer end of the ring-shaped bearing (191) is attached to the inner wall of the speed reducer housing (110).
4. A reducer planet carrier assembly according to claim 2, wherein: the perforated hole (240) is internally provided with an in-hole bearing (241), the input shaft (200) penetrates through the in-hole bearing (241), and the outer wall of the output shaft (120) is attached to the inner annular wall of the in-hole bearing (241).
5. A reducer planet carrier assembly according to claim 1, wherein: the side part of the first limit cover (180) is fixedly provided with a plurality of fixing columns (210), a plurality of planetary gears (150) are rotatably arranged on the outer sides of the fixing columns (210), the end parts of the fixing columns (210) extend out of supporting columns (220), and the supporting columns (220) are spliced with the slots (230).
6. A reducer planet carrier assembly according to claim 1, wherein: the inside of speed reducer shell (110) is installed solid fixed ring (170), gu fixed ring (170) set up to have the circular sleeve of tooth, internal gear ring (160) are installed gu fixed ring (170) inside, internal gear ring (160) with gu fixed ring (170) key connection, internal gear ring (160) set up to the ring of inside a plurality of tooth of distribution.
7. A reducer planet carrier assembly according to claim 1, wherein: the input shaft (200) is coaxially arranged with the sun gear (140), the input shaft (200) is in key connection with the sun gear (140), and the output shaft (120) and the output shaft (130) are coaxially arranged with the input shaft (200) as well.
8. A reducer planet carrier assembly according to claim 1, wherein: the bottom side of the speed reducer shell (110) is integrally welded with a mounting plate (111), and the mounting plate (111) is a plate with mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000821.6U CN219796059U (en) | 2023-04-28 | 2023-04-28 | Speed reducer planet carrier assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000821.6U CN219796059U (en) | 2023-04-28 | 2023-04-28 | Speed reducer planet carrier assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796059U true CN219796059U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321000821.6U Active CN219796059U (en) | 2023-04-28 | 2023-04-28 | Speed reducer planet carrier assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796059U (en) |
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2023
- 2023-04-28 CN CN202321000821.6U patent/CN219796059U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 888-2 Dongming Road, Zhuangshi Street, Zhenhai District, Ningbo City, Zhejiang Province, 315200 Patentee after: Ningbo Zhongtuo Precision Machinery Co.,Ltd. Country or region after: China Address before: No. 588 Shizhu Road, Linyu Industrial Zone, Jiaochuan Street, Zhenhai District, Ningbo City, Zhejiang Province, 315200 Patentee before: Zhejiang Ningbo Zhongtuo Precision Machinery Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |