CN209818660U - Planet wheel hub reduction gear - Google Patents
Planet wheel hub reduction gear Download PDFInfo
- Publication number
- CN209818660U CN209818660U CN201920198212.3U CN201920198212U CN209818660U CN 209818660 U CN209818660 U CN 209818660U CN 201920198212 U CN201920198212 U CN 201920198212U CN 209818660 U CN209818660 U CN 209818660U
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- China
- Prior art keywords
- gear
- planet
- planet wheel
- ring
- sun
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- Expired - Fee Related
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 22
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 238000005461 lubrication Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model is suitable for a planet wheel reduction gear technical field provides a planet wheel hub reduction gear, including planet wheel subassembly, coupling assembling, the planet wheel subassembly includes two sets of planet wheel groups, and each set of planet wheel group includes ring gear, sun gear, drive shaft, planet wheel axle, internal tooth, driven shaft, lubricated felt, each the planet wheel with rather than the one the planet wheel of alignment connects a planet wheel axle jointly, a plurality of the planet wheel axle that a plurality of planet wheels connect respectively connect a driven shaft jointly, be provided with in the gear groove between the internal tooth the lubricated felt, coupling assembling includes the retainer plate, the retainer plate detachable fixed connection two ring gears in the planet wheel group, seted up the oil storage tank on the retainer plate, the oil storage tank communicates the intercommunication groove, lubricated felt adsorbs lubricating oil and can lubricate the gear, the utility model has the characteristics of gear wear is little.
Description
Technical Field
The utility model belongs to the technical field of the planet wheel reduction gear, especially, relate to a planet wheel hub reduction gear.
Background
The planet wheel hub reduction gear is the last stage of speed reduction and torque increase device in an automobile transmission system, and the wheel hub reduction gear can reduce the load of parts such as a transmission, a transmission shaft, a main reduction gear, a differential mechanism, a half shaft and the like, reduce the size, obtain larger ground clearance of a drive axle and the like under the condition that the total transmission ratio is the same, and is widely applied to trucks, large buses, off-road vehicles and other large industrial and mining vehicles.
The existing planet wheel speed reducer has certain defects when in use, is not enough in structural stability, has larger abrasion to a gear, and is unsafe to use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a planet wheel hub reduction gear aims at solving the big problem of gear wear.
The utility model is realized in such a way, a planet wheel hub reduction gear comprises a planet wheel assembly and a connecting assembly;
the planet wheel subassembly includes two sets of planetary gear sets, and every planetary gear set of group includes: the inner side wall of the gear ring is uniformly provided with a plurality of inner teeth at intervals, the sun gear is arranged at the axle center of the gear ring and is coaxially arranged with the gear ring, a gap for accommodating the planet gears is formed between the sun gear and the gear ring, a plurality of planet gears are meshed between the sun gear and the gear ring, the sun gears in the two planetary gear sets are commonly connected with one driving shaft, the planet gears which are the same in number and are aligned one by one are arranged in the two planetary gear sets, each planet gear and the planet gear which is aligned with the planet gear are commonly connected with one planet gear shaft, the plurality of planet gear shafts which are respectively connected with the plurality of planet gears are commonly connected with one driven shaft, and the driving shaft extends out of one side of the two sun gears, the planet wheel shaft and the driven shaft are positioned on the other sides of the two sun wheels, the lubricating felt is arranged in a gear groove between the inner teeth, a communicating groove is formed in the gear ring, and the lubricating felt extends into the communicating groove;
coupling assembling includes the retainer plate, the retainer plate cup joints the outside of ring gear, retainer plate detachable fixed connection is two ring gear in the planetary gear group has seted up the oil storage tank on the retainer plate, the oil storage tank intercommunication the intercommunication groove.
The utility model discloses still provide preferred, each group be provided with four planet wheels in the planetary gear group, four planet wheel evenly distributed are in the sun gear with between the ring gear.
The utility model discloses it is preferred still to provide, the drive shaft is through flat key connection the sun gear, the planet wheel axle is through flat key connection the planet wheel.
The utility model discloses it is preferred still to provide, the planet wheel axle with the driven shaft is integrated into one piece.
The utility model discloses still provide preferred, the retainer plate is two through a plurality of fixing bolt connection the ring gear, just two the ring gear is hugged closely each other.
The utility model discloses still provide preferentially, set up an oil inlet of intercommunication oil storage tank on the stationary ring, install a sealed bolt on the oil inlet, just the lubricated felt passes through the intercommunication groove stretches into in the oil storage tank.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a planet wheel hub reduction gear, have the planet wheel subassembly of two sets of planet wheelsets through the setting, be provided with a sun gear in every planet wheelset of group, a plurality of planet wheels and a ring gear, thereby can be through two sets of planet wheelsets common action in order to carry out the deceleration effect, can reduce the pressure between every reduction gear, thereby reduce wear, through setting up the lubrication felt of inlaying in the tooth's socket of ring gear, thereby can be through adsorbing lubricating oil in the lubrication felt, when the gear rolls lubrication felt, can extrude lubricating oil and lubricate the gear, through setting up the retainer plate of connecting two ring gears, thereby can two planet wheelsets of fixed connection, and it is convenient to dismantle, the utility model discloses a reduction gear can reduce the wearing and tearing between the gear, long service life.
Drawings
Fig. 1 is a side sectional view of the overall structure of the present invention;
fig. 2 is a front view of the planetary wheel assembly of the present invention;
fig. 3 is an enlarged schematic view of detail a in fig. 2.
In the figure: 1-a planet wheel component, 11-a gear ring, 12-a sun gear, 13-a driving shaft, 14-a planet wheel, 15-a planet wheel shaft, 16-an internal tooth, 17-a driven shaft, 18-a lubricating felt, 19-a communicating groove, 2-a connecting component, 21-a fixed ring, 22-a fixed bolt, 23-an oil storage tank, 24-an oil inlet and 25-a sealing bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a planet wheel hub reduction gear comprises a planet wheel component 1 and a connecting component 2.
The planet wheel assembly 1 comprises two sets of planet wheels, each set of planet wheels comprising: the planet gear comprises a gear ring 11, a sun gear 12, a driving shaft 13, planet gears 14, planet gear shafts 15, internal teeth 16, a driven shaft 17 and a lubricating felt 18, wherein a plurality of internal teeth 16 are uniformly arranged on the inner side wall of the gear ring 11 at intervals, the sun gear 12 is arranged at the axis of the gear ring 11 and is coaxially arranged with the gear ring 11, a gap for accommodating the planet gears 14 is arranged between the sun gear 12 and the gear ring 11, a plurality of planet gears 14 are meshed between the sun gear 12 and the gear ring 11, the sun gears 12 in two sets of planet gear sets are commonly connected with one driving shaft 13, the two sets of planet gear sets are internally provided with the same number of planet gears 14 aligned one by one, each planet gear 14 and one planet gear 14 aligned with the planet gear 14 are commonly connected with one planet gear shaft 15, the plurality of planet gear shafts 15 respectively connected with the plurality of planet gears 14 are commonly connected with one driven shaft 17, the driving shaft 13 extends out, a lubricating felt 18 is arranged in one gear groove between the inner teeth 16, a communicating groove 19 is formed in the gear ring 11, and the lubricating felt 18 extends into the communicating groove 19.
Coupling assembling 2 includes retainer plate 21, and retainer plate 21 cup joints in the outside of ring gear 11, and the ring gear 11 in two planetary gear of retainer plate 21 detachable fixed connection organizes has seted up oil storage tank 23 on the retainer plate 21, and oil storage tank 23 intercommunication groove 19.
In the present embodiment, the two planetary gear sets in the planetary gear assembly 1 have the same structure, the ring gear 11 has an annular structure, the inner side wall of the ring gear 11 is provided with inner teeth 16, a plurality of planetary gears 14 and the inner teeth 16 are engaged inside the ring gear 11, the sun gear 12 and the planetary gears 14 are engaged with each other, the sun gear 12 is located at the axis of the ring gear 11, the axis of the planetary gear shafts 15 is provided with a shaft hole and connected with one end of the planetary gear shafts 15, each planetary gear shaft 15 is connected with two planetary gears 14 aligned with each other in the two planetary gear sets, the axis of the sun gear 12 is provided with a shaft hole and connected with one end of the driving shaft 13, the other ends of the planetary gear shafts 15 are jointly and fixedly connected with one end of the driven shaft 17, when the driving shaft 13 rotates, the ring gear 11 is fixed, so that the planetary gears 14 are, at the moment, the planet wheel shaft 15 drives the driven shaft 17 to rotate in a driven mode so as to reduce the output rotating speed, the two groups of planet wheel sets can share the pressure between the gears and reduce abrasion, one part of the lubricating felt 18 is located at the tooth grooves of the inner teeth 16 of the gear ring 11, the lubricating felt 18 is fixed in the communicating groove 19, lubricating oil is adsorbed in the lubricating felt 18, and when the planet wheels 14 pass through the tooth grooves where the lubricating felt 18 is located, the lubricating felt 18 is squeezed, so that the lubricating oil is squeezed out, and the gears are lubricated.
The connecting assembly 2 is used for connecting two gear rings 11, the fixed ring 21 is of an annular structure, the inner diameter of the fixed ring 21 is the same as that of the outer ring of the gear ring 11, and the oil storage tank 23 is a spherical tank and is connected with the through groove 19.
Furthermore, four planet wheels 14 are arranged in each group of planet wheels, and the four planet wheels 14 are uniformly distributed between the sun wheel 12 and the ring gear 11.
In this embodiment, the four planet wheels 14 can ensure stable operation of the planet wheel set, and simultaneously, the pressure of the gears in rotation can be shared uniformly, so that the abrasion is reduced.
Further, the driving shaft 13 is connected with the sun gear 12 through a flat key, and the planetary wheel shaft 15 is connected with the planetary wheel 14 through a flat key.
In the embodiment, the flat key connection mode is convenient to produce and stable in connection.
Further, the planetary wheel shaft 15 and the driven shaft 17 are integrally formed.
In the present embodiment, the integrally formed planetary gear shaft and driven shaft 17 has a greater structural strength and can withstand a large torque.
Further, the fixing ring 21 connects the two ring gears 11 by a plurality of fixing bolts 22, and the two ring gears 11 are closely attached to each other.
In this embodiment, set up a plurality of threaded through holes that are the annular and distribute on retainer plate 21, set up the thread groove corresponding with threaded through hole on the lateral wall of ring gear 11, the user can be through connecting fixing bolt connecting thread through hole and the corresponding thread groove in order to install the retainer plate on ring gear 11, and it is convenient to last, is convenient for maintain and change.
Furthermore, an oil inlet 24 communicated with the oil storage tank 23 is formed in the fixing ring 21, a sealing bolt 25 is mounted on the oil inlet 24, and the lubricating felt 18 extends into the oil storage tank 23 through the communicating groove 19.
In the present embodiment, the user lubrication felt 18 is disposed in the communication groove 19 and the oil storage groove 23, and the user can add the lubrication oil to a part of the lubrication felt 18 in the oil storage groove 23 through the oil inlet 24, and after the addition is completed, the oil inlet 24 can be sealed by the sealing plug 25.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, pass through drive shaft 13 input with power, when drive shaft 13 rotates, ring gear 11 is fixed motionless, thereby carry out the rotation and carry out the revolution the same with drive shaft 13 rotation direction simultaneously through sun gear 12 drive planet wheel 14, planet wheel axle 15 drive driven shaft 17 carries out the follow rotation with output power this moment, rotational speed when having reduced power take off, pressure between the gear can be shared to two sets of planet wheelsets, reduce wear, a part of lubricated felt 18 is located the tooth's socket department of the internal tooth 16 of ring gear 11, it fixes in intercommunication groove 19 to lubricate and prick 18, it has lubricating oil to adsorb in the lubricated felt 18, when planet wheel 14 passes through the tooth's socket at lubricated felt 18 place, extrude lubricated felt 18, thereby extrude lubricating oil, lubricate the gear, long service life.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a planet wheel hub reduction gear which characterized in that: comprises a planetary wheel assembly (1) and a connecting assembly (2);
the planet wheel assembly (1) comprises two groups of planet wheel sets, and each group of planet wheel sets comprises: the planet gear comprises a gear ring (11), a sun gear (12), a driving shaft (13), planet gears (14), a planet gear shaft (15), internal teeth (16), a driven shaft (17) and a lubricating felt (18), wherein a plurality of internal teeth (16) are uniformly arranged on the inner side wall of the gear ring (11) at intervals, the sun gear (12) is arranged at the axis of the gear ring (11) and is coaxially arranged with the gear ring (11), a gap for accommodating the planet gears (14) is formed between the sun gear (12) and the gear ring (11), a plurality of planet gears (14) are meshed between the sun gear (12) and the gear ring (11), the sun gears (12) in the two sets of planet gears are commonly connected with one driving shaft (13), the planet gears (14) in the two sets of planet gears are in the same number and are aligned one by one, each planet gear (14) and the planet gear (14) aligned with the planet gear (14) are commonly connected with one planet gear shaft (, a plurality of planet wheel shafts (15) respectively connected with a plurality of planet wheels (14) are commonly connected with one driven shaft (17), the driving shaft (13) extends out from one side of the two sun wheels (12), the planet wheel shafts (15) and the driven shaft (17) are positioned on the other side of the two sun wheels (12), a gear groove between the internal teeth (16) is internally provided with the lubricating felt (18), the gear ring (11) is provided with a communicating groove (19), and the lubricating felt (18) extends into the communicating groove (19);
coupling assembling (2) include retainer plate (21), retainer plate (21) cup joint the outside of ring gear (11), retainer plate (21) detachable fixed connection is two ring gear (11) in the planetary gear group has seted up oil storage tank (23) on retainer plate (21), oil storage tank (23) intercommunication groove (19).
2. A planetary wheel hub reduction gear according to claim 1, characterized in that: four planet wheels (14) are arranged in each group of planet wheel sets, and the four planet wheels (14) are uniformly distributed between the sun wheel (12) and the gear ring (11).
3. A planetary wheel hub reduction gear according to claim 1, characterized in that: the driving shaft (13) is connected with the sun wheel (12) through a flat key, and the planet wheel shaft (15) is connected with the planet wheel (14) through a flat key.
4. A planetary wheel hub reduction gear according to claim 1, characterized in that: the planet wheel shaft (15) and the driven shaft (17) are integrally formed.
5. A planetary wheel hub reduction gear according to claim 1, characterized in that: the fixed ring (21) is connected with the two gear rings (11) through a plurality of fixing bolts (22), and the two gear rings (11) are mutually attached.
6. A planetary wheel hub reduction gear according to claim 1, characterized in that: an oil inlet (24) communicated with the oil storage tank (23) is formed in the fixing ring (21), a sealing bolt (25) is installed on the oil inlet (24), and the lubricating felt (18) extends into the oil storage tank (23) through the communicating groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198212.3U CN209818660U (en) | 2019-02-14 | 2019-02-14 | Planet wheel hub reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198212.3U CN209818660U (en) | 2019-02-14 | 2019-02-14 | Planet wheel hub reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818660U true CN209818660U (en) | 2019-12-20 |
Family
ID=68873177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920198212.3U Expired - Fee Related CN209818660U (en) | 2019-02-14 | 2019-02-14 | Planet wheel hub reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577878A (en) * | 2020-05-30 | 2020-08-25 | 江苏行星重载齿轮箱有限公司 | Lubricating oil way of planet carrier |
| CN114483926A (en) * | 2021-12-29 | 2022-05-13 | 重庆蓝黛传动机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of automobile transmission |
-
2019
- 2019-02-14 CN CN201920198212.3U patent/CN209818660U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577878A (en) * | 2020-05-30 | 2020-08-25 | 江苏行星重载齿轮箱有限公司 | Lubricating oil way of planet carrier |
| CN114483926A (en) * | 2021-12-29 | 2022-05-13 | 重庆蓝黛传动机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of automobile transmission |
| CN114483926B (en) * | 2021-12-29 | 2024-07-30 | 重庆蓝黛传动机械有限公司 | Auxiliary supporting structure of planetary mechanism assembly of automobile transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210214 |