CN204533448U - The planetary reduction gear machine that a kind of assembly precision is higher - Google Patents
The planetary reduction gear machine that a kind of assembly precision is higher Download PDFInfo
- Publication number
- CN204533448U CN204533448U CN201520170417.2U CN201520170417U CN204533448U CN 204533448 U CN204533448 U CN 204533448U CN 201520170417 U CN201520170417 U CN 201520170417U CN 204533448 U CN204533448 U CN 204533448U
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- China
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- output shaft
- cover
- front cover
- rear mounting
- planetary
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Abstract
The utility model discloses the planetary reduction gear machine that a kind of assembly precision is higher, comprise casing, output shaft, sun gear, planet wheel and input shaft, casing is divided into front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, connected by internal gear between front cover and rear mounting cover, rear mounting cover is stretched out in input shaft one end, the input shaft the other end is provided with coupling, on coupling, cover has rear bearing, coupling one end is provided with sun gear, sun gear periphery is provided with three planetary pinions, needle roller is provided with in the middle part of each planetary pinion, output shaft roller is provided with in the middle of needle roller, front cover is extended in output shaft one end, on output shaft in front cover, cover has two fore bearings, the output shaft extended on front cover is provided with flat key.The utility model speed reducer structure is more simple and compact, and occur eccentricity issues when avoiding assembling, the precision of assembling is higher, and can meet the usage requirement of various different precision equipment, using scope is wider.
Description
Technical field
The utility model relates to speed reducer technical field, particularly relates to the planetary reduction gear machine that a kind of assembly precision is higher.
Background technique
Planetary pinion in known planetary speed reducer to rotate round oneself rotatingshaft as fixed axis gear be called rotation, and along with planet carrier carries out rotation around the axis of other gear (sun gear), planetary rotation axle also can be called that the existing planetary speed reducer of revolution comprises casing, input shaft, transmission shaft, planetary pinion and sun gear.There is following defect in this kind of structure: the first, the back lash of planetary pinion and sun gear is all larger, and contact ratio is too small, and the input speed born is lower, can not meet the defect of the usage requirement of accurate equipment; The second, casing unreasonable structure, be easy to occur eccentric when assembling, make positioning precision low.
Model utility content
For deficiency of the prior art, the utility model provide a kind of have compact structure, location precision higher, carrying can the strong and better planetary reduction gear machine of rigidity.
To achieve these goals, technical solution adopted in the utility model is:
The planetary reduction gear machine that a kind of assembly precision is higher, comprise casing, output shaft, sun gear, planet wheel and input shaft, casing is divided into front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, connected by internal gear between front cover and rear mounting cover, rear mounting cover is fixedly connected with by hexagon socket countersunk flat cap head screw with internal gear, rear mounting cover is stretched out in input shaft one end, the input shaft the other end is provided with coupling, coupling is arranged in the plenum chamber of rear mounting cover, on coupling, cover has a rear bearing, coupling one end is provided with sun gear, sun gear periphery is provided with three planetary pinions, needle roller is provided with in the middle part of each planetary pinion, output shaft roller is provided with in the middle of needle roller, the Flange joint of described output shaft roller and output shaft, needle roller of planet wheel pad is provided with between the flange of described output shaft and each planetary pinion, front cover is extended in output shaft one end, on output shaft in front cover, cover has two fore bearings, the output shaft extended on front cover is provided with a flat key.
Described hexagon socket countersunk flat cap head screw quantity is 4.
Elastic washer after being provided with one between described rear mounting cover and rear bearing.
Front elastic washer and wave mode packing ring is provided with between described two fore bearings.
Be lined with O type circle one between described rear mounting cover inwall and rear bearing, be describedly lined with O type circle two close between the fore bearing on front cover output shaft port and front cover inwall.
Be provided with rear circlip between described rear bearing and coupling, be describedly provided with front circlip close between the fore bearing on front cover output shaft port and output shaft.
Oil resistant sealer is provided with between described internal gear and rear mounting cover.
Needle roller quantity in the middle part of described each planetary pinion is 56.
Stainless steel gasket is lined with between described coupling and planetary pinion.
The beneficial effects of the utility model: compared with prior art, the utility model is by front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, connected by internal gear between front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, are provided with coupling, sun gear, planetary pinion and output shaft in plenum chamber, its structure is more simple and compact, also be more prone to assembling, the precision of assembling is higher, can meet the usage requirement of various different precision equipment; Casing is divided into front cover and rear mounting cover, is connected between front cover and rear mounting cover by internal gear, and rear mounting cover is fixedly connected with by hexagon socket countersunk flat cap head screw with internal gear, avoids occurring eccentric problem, and positioning precision is higher; Sun gear periphery is provided with three planetary pinions, is provided with needle roller in the middle part of each planetary pinion, is provided with output shaft roller, reduces the gap of engagement, add area of contact, thus improve the rigidity of structure and the moment of torsion of output in the middle of needle roller.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is front cover schematic diagram of the present utility model;
Fig. 3 is rear mounting cover schematic diagram of the present utility model;
Fig. 4 is internal gear schematic diagram of the present utility model;
Fig. 5 is output shaft schematic diagram of the present utility model;
Fig. 6 is the utility model coupling schematic diagram;
Fig. 7 is sun gear schematic diagram of the present utility model;
Fig. 8 is planetary pinion schematic diagram of the present utility model.
Embodiment
As shown in Figures 1 to 8, the planetary reduction gear machine that a kind of assembly precision is higher, comprise casing 1, output shaft 2, sun gear 3, planet wheel 4 and input shaft, casing 1 is divided into front cover 11 and rear mounting cover 12, front cover 11 and rear mounting cover 12 are equipped with plenum chamber, connected by internal gear 13 between front cover 11 and rear mounting cover 12, rear mounting cover 12 is fixedly connected with by hexagon socket countersunk flat cap head screw 14 with internal gear 13, coupling 5 is arranged in the plenum chamber of rear mounting cover 12, rear mounting cover 12 is stretched out in input shaft one end, the input shaft the other end is provided with coupling 5, coupling 5 is arranged in the plenum chamber of rear mounting cover 12, on coupling 5, cover has a rear bearing 6, coupling 5 one end is provided with sun gear 3, sun gear 3 periphery is provided with three planetary pinions 4, needle roller 41 is provided with in the middle part of each planetary pinion 4, output shaft roller 42 is provided with in the middle of needle roller 41, the Flange joint of described output shaft roller 42 and output shaft 2, needle roller of planet wheel pad 7 is provided with between the flange of described output shaft 2 and each planetary pinion 4, front cover 11 is extended in output shaft 2 one end, on output shaft 2 in front cover 11, cover has two fore bearings 8, the output shaft 2 extended on front cover 11 is provided with a flat key 21, described hexagon socket countersunk flat cap head screw 14 quantity is 4, elastic washer 15 after being provided with one between described rear mounting cover 12 and rear bearing 6, front elastic washer 16 and wave mode packing ring 17 is provided with between described two fore bearings 8, O type circle 1 is lined with between described rear mounting cover 12 inwall and rear bearing 6, describedly be lined with O type circle 2 81 close between the fore bearing 8 on front cover 11 output shaft 2 port and front cover 11 inwall, rear circlip 62 is provided with between described rear bearing 6 and coupling 5, describedly be provided with front circlip 82 close between the fore bearing 8 on output shaft 2 port of front cover 11 and output shaft 2, oil resistant sealer 18 is provided with between described internal gear 13 and rear mounting cover 12, needle roller 41 quantity in the middle part of described each planetary pinion 4 is 56, stainless steel gasket 19 is lined with between described coupling 5 and planetary pinion 4.
The beneficial effects of the utility model: compared with prior art, the utility model is by front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, connected by internal gear between front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, are provided with coupling, sun gear, planetary pinion and output shaft in plenum chamber, its structure is more simple and compact, also be more prone to assembling, the precision of assembling is higher, can meet the usage requirement of various different precision equipment; Casing is divided into front cover and rear mounting cover, is connected between front cover and rear mounting cover by internal gear, and rear mounting cover is fixedly connected with by hexagon socket countersunk flat cap head screw with internal gear, avoids occurring eccentric problem, and positioning precision is higher; Sun gear periphery is provided with three planetary pinions, is provided with needle roller in the middle part of each planetary pinion, is provided with output shaft roller, reduces the gap of engagement, add area of contact, thus improve the rigidity of structure and the moment of torsion of output in the middle of needle roller.
Claims (9)
1. the planetary reduction gear machine that an assembly precision is higher, comprise casing, output shaft, sun gear, planet wheel and input shaft, it is characterized in that, casing is divided into front cover and rear mounting cover, front cover and rear mounting cover are equipped with plenum chamber, connected by internal gear between front cover and rear mounting cover, rear mounting cover is fixedly connected with by hexagon socket countersunk flat cap head screw with internal gear, rear mounting cover is stretched out in input shaft one end, the input shaft the other end is provided with coupling, coupling is arranged in the plenum chamber of rear mounting cover, on coupling, cover has a rear bearing, coupling one end is provided with sun gear, sun gear periphery is provided with three planetary pinions, needle roller is provided with in the middle part of each planetary pinion, output shaft roller is provided with in the middle of needle roller, the Flange joint of described output shaft roller and output shaft, needle roller of planet wheel pad is provided with between the flange of described output shaft and each planetary pinion, front cover is extended in output shaft one end, on output shaft in front cover, cover has two fore bearings, the output shaft extended on front cover is provided with a flat key.
2. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, is characterized in that, described hexagon socket countersunk flat cap head screw quantity is 4.
3. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, is characterized in that, elastic washer after being provided with between described rear mounting cover and rear bearing.
4. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, is characterized in that, is provided with front elastic washer and wave mode packing ring between described two fore bearings.
5. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, it is characterized in that, be lined with O type circle one between described rear mounting cover inwall and rear bearing, be describedly lined with O type circle two close between the fore bearing on front cover output shaft port and front cover inwall.
6. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, it is characterized in that, be provided with rear circlip between described rear bearing and coupling, be describedly provided with front circlip close between the fore bearing on front cover output shaft port and output shaft.
7. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, is characterized in that, is provided with oil resistant sealer between described internal gear and rear mounting cover.
8. the planetary reduction gear machine that a kind of assembly precision as claimed in claim 1 is higher, is characterized in that, the needle roller quantity in the middle part of described each planetary pinion is 56.
9. the planetary speed reducer that a kind of assembly precision as claimed in claim 1 is higher, is characterized in that, is lined with stainless steel gasket between described coupling and planetary pinion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170417.2U CN204533448U (en) | 2015-03-25 | 2015-03-25 | The planetary reduction gear machine that a kind of assembly precision is higher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170417.2U CN204533448U (en) | 2015-03-25 | 2015-03-25 | The planetary reduction gear machine that a kind of assembly precision is higher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533448U true CN204533448U (en) | 2015-08-05 |
Family
ID=53747457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520170417.2U Expired - Fee Related CN204533448U (en) | 2015-03-25 | 2015-03-25 | The planetary reduction gear machine that a kind of assembly precision is higher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204533448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290120A (en) * | 2018-10-25 | 2019-02-01 | 江苏大族展宇新能源科技有限公司 | A kind of lithium battery coating machine guide rolls support structure |
-
2015
- 2015-03-25 CN CN201520170417.2U patent/CN204533448U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290120A (en) * | 2018-10-25 | 2019-02-01 | 江苏大族展宇新能源科技有限公司 | A kind of lithium battery coating machine guide rolls support structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150805 Termination date: 20180325 |