CN203051637U - Planet gear speed reducing mechanism - Google Patents
Planet gear speed reducing mechanism Download PDFInfo
- Publication number
- CN203051637U CN203051637U CN 201220640957 CN201220640957U CN203051637U CN 203051637 U CN203051637 U CN 203051637U CN 201220640957 CN201220640957 CN 201220640957 CN 201220640957 U CN201220640957 U CN 201220640957U CN 203051637 U CN203051637 U CN 203051637U
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- China
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- level
- gear
- planetary
- frame
- planet
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Abstract
The utility model discloses a planet gear speed reducing mechanism and belongs to the technical field of wrenches. The planet gear speed reducing mechanism comprises a speed reducing box, an output planet frame, a first-grade sun gear and a first-grade planet gear which is arranged on the output planet frame and is engaged with the first-grade sun gear; the tail end of the output planet frame is annularly provided with a copper sleeve; a sealing ring is arranged between the output planet frame and the copper sleeve; the first-grade sun gear is fixed with a second-grade sun gear, a third-grade sun gear and an input gear through a central positioning pin; the second-grade sun gear is engaged with a second-grade planet gear on a second-grade planet frame; the third-grade sun gear is engaged with a third-grade planet gear on a third-grade planet frame; the input gear is engaged with a fourth-grade planet gear on a fourth-grade planet frame; a gear sleeve bearing is arranged between the output planet frame and the second-grade planet frame; and a counter force arm is arranged on the speed reducing box outside the tail end of the output planet frame. The planet gear speed reducing mechanism disclosed by the utility model has the advantages of small size, large output torque, compact structure, stable transmission, small noises, uniform stress and convenience for handholding and operating.
Description
Technical field
The utility model belongs to the spanner technical field, is specifically related to a kind of planetary gear reducing mechanism.Constant torque wrench technical field particularly.
Background technique
Planetary gear reducing mechanism, when the output planetary frame is stressed, the speed reducer counter-rotating, after the counter-force arm on the speed reducer found the strong point, speed reducer was in stationary state, planet carrier just changes, because the support point position difference of the arm of force, the radial component that produces with the more big output planetary frame of distance at output planetary frame center is more big during work, when moment of torsion during greater than 1500N.m, the output planetary frame can produce radial angle, can cause the fracture of output planetary frame and one-level planet tooth in this process.
Summary of the invention
The purpose of this utility model is in order to solve problems of the prior art, and a kind of planetary gear reducing mechanism of the radial component that can bear output torque 2500N.m and produce when bigger is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of planetary gear reducing mechanism, comprise speed reducer, output planetary frame, one-level sun gear and be arranged on the output planetary frame and the primary planet pinion of one-level sun gear engagement, described output planetary frame end-rings is provided with copper sheathing, is provided with seal ring between output planetary frame and the copper sheathing; Described one-level sun gear is fixed by centralized positioning pin and secondary sun gear, three grades of sun gears, input gears, secondary planetary gear engagement on described secondary sun gear and the secondary planet frame, third-level planetary gear engagement on described three grades of sun gears and the third-level planetary frame, the level Four planetary pinion engagement on described input gear and the level Four planet carrier; Be provided with tooth cover bearing between described output planetary frame and the secondary planet frame; Described output planetary frame 1 terminal outer speed reducer is provided with counter-force arm.
Described planetary gear reducing mechanism also is provided with friction plate, and described friction plate is located at level Four planet carrier and speed reducer junction, plays the effect of protection level Four planet carrier wearing and tearing.
Described primary planet pinion is arranged on the final stage planet carrier by locating stud, described secondary planetary gear is arranged on the secondary planet frame by locating stud, described third-level planetary gear is arranged on the third-level planetary frame by locating stud, and described level Four planetary pinion is arranged on the level Four planet carrier by locating stud.
Described primary planet pinion, secondary planetary gear, third-level planetary gear and level Four planetary pinion and the engagement of speed reducer ring gear.
Described primary planet pinion, secondary planetary gear, third-level planetary gear and the planetary number of level Four are respectively 2～5, preferred 3.
The preferred oil-containing copper sheathing of described copper sheathing.
The preferred O RunddichtringO of described seal ring.
The beneficial effects of the utility model:
The utility model volume is little, has little, the stressed advantage such as evenly of compact structure, stable drive, noise, is convenient to hand-held; Adopt tooth cover bearing location output planetary frame, increased output torque, the radial component that makes the output planetary frame can bear output 2500N.m and produce when bigger.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among Fig. 1,1-output planetary frame, 2-seal ring, 3-copper sheathing, 4-one-level sun gear, 5-primary planet pinion, 6-tooth cover bearing, 7-secondary sun gear, the 8-secondary planetary gear, 9-secondary planet frame, 10-third-level planetary gear, three grades of sun gears of 11-, 12-third-level planetary frame, 13-level Four planetary pinion, 14-imports gear, 15-friction plate, 16-level Four planet carrier, 17-centralized positioning pin, 18-speed reducer, 19-counter-force arm.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described further.
As shown in Figure 1, a kind of planetary gear reducing mechanism, comprise speed reducer 18, output planetary frame 1, one-level sun gear 4 and be arranged on the output planetary frame 1 and the primary planet pinion 5 of one-level sun gear 4 engagement, described output planetary frame 1 end-rings is provided with copper sheathing 3, is provided with seal ring 2 between output planetary frame 1 and the copper sheathing 3; Described one-level sun gear 4 is fixed by centralized positioning pin 17 and secondary sun gear 7, three grades of sun gears 11, input gears 14, secondary planetary gear 8 engagements on described secondary sun gear 7 and the secondary planet frame 9, third-level planetary gear 10 engagements on described three grades of sun gears 11 and the third-level planetary frame 12, level Four planetary pinion 13 engagements on described input gear 14 and the level Four planet carrier 16; Be provided with tooth cover bearing 6 between described output planetary frame 1 and the secondary planet frame 9; Described output planetary frame 1 terminal outer speed reducer 18 is provided with counter-force arm 19.
Described planetary gear reducing mechanism also is provided with friction plate 15, and described friction plate 15 is located at level Four planet carrier 16 and speed reducer 18 junctions, plays the effect of protection level Four planet carrier 16 wearing and tearing.
Described primary planet pinion 5 is arranged on the final stage planet carrier 1 by locating stud, described secondary planetary gear 8 is arranged on the secondary planet frame 9 by locating stud, described third-level planetary gear 10 is arranged on the third-level planetary frame 12 by locating stud, and described level Four planetary pinion 13 is arranged on the level Four planet carrier 16 by locating stud.
Described primary planet pinion 5, secondary planetary gear 8, third-level planetary gear 10 and level Four planetary pinion 13 and the engagement of speed reducer 18 ring gears.
The number of described primary planet pinion 5, secondary planetary gear 8, third-level planetary gear 10 and level Four planetary pinion 13 is respectively 3.
Described copper sheathing 3 is the oil-containing copper sheathing.
Described seal ring 2 is the O RunddichtringO.
The utility model volume is little, has little, the stressed advantage such as evenly of compact structure, stable drive, noise, is convenient to hand-held; Adopt tooth cover bearing location output planetary frame, increased output torque, the radial component that makes the output planetary frame can bear output 2500N.m and produce when bigger.
Claims (8)
1. planetary gear reducing mechanism, it is characterized in that comprising speed reducer (18), output planetary frame (1), one-level sun gear (4) and be arranged on the primary planet pinion (5) that output planetary frame (1) is gone up and one-level sun gear (4) meshes, described output planetary frame (1) end-rings is provided with copper sheathing (3), is provided with seal ring (2) between output planetary frame (1) and the copper sheathing (3); Described one-level sun gear (4) is fixed by centralized positioning pin (17) and secondary sun gear (7), three grades of sun gears (11), input gear (14), secondary planetary gear (8) engagement on described secondary sun gear (7) and the secondary planet frame (9), third-level planetary gear (10) engagement on described three grades of sun gears (11) and the third-level planetary frame (12), level Four planetary pinion (13) engagement on described input gear (14) and the level Four planet carrier (16); Be provided with tooth cover bearing (6) between described output planetary frame (1) and the secondary planet frame (9); The terminal outer speed reducer (18) of described output planetary frame (1) is provided with counter-force arm (19).
2. planetary gear reducing mechanism according to claim 1 is characterized in that described planetary gear reducing mechanism also is provided with friction plate (15), and described friction plate (15) is located at level Four planet carrier (16) and speed reducer (18) junction.
3. planetary gear reducing mechanism according to claim 1 and 2, it is characterized in that described primary planet pinion (5) is arranged on the final stage planet carrier (1) by locating stud, described secondary planetary gear (8) is arranged on the secondary planet frame (9) by locating stud, described third-level planetary gear (10) is arranged on the third-level planetary frame (12) by locating stud, and described level Four planetary pinion (13) is arranged on the level Four planet carrier (16) by locating stud.
4. planetary gear reducing mechanism according to claim 1 and 2 is characterized in that the engagement of described primary planet pinion (5), secondary planetary gear (8), third-level planetary gear (10) and level Four planetary pinion (13) and speed reducer (18) ring gear.
5. planetary gear reducing mechanism according to claim 1 and 2 is characterized in that the number of described primary planet pinion (5), secondary planetary gear (8), third-level planetary gear (10) and level Four planetary pinion (13) is respectively 2～5.
6. planetary gear reducing mechanism according to claim 5 is characterized in that the number of described primary planet pinion (5), secondary planetary gear (8), third-level planetary gear (10) and level Four planetary pinion (13) is respectively 3.
7. planetary gear reducing mechanism according to claim 1 and 2 is characterized in that described copper sheathing (3) is the oil-containing copper sheathing.
8. planetary gear reducing mechanism according to claim 1 and 2 is characterized in that described seal ring (2) is the O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640957 CN203051637U (en) | 2012-11-28 | 2012-11-28 | Planet gear speed reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640957 CN203051637U (en) | 2012-11-28 | 2012-11-28 | Planet gear speed reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051637U true CN203051637U (en) | 2013-07-10 |
Family
ID=48734593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640957 Expired - Fee Related CN203051637U (en) | 2012-11-28 | 2012-11-28 | Planet gear speed reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851130A (en) * | 2012-11-28 | 2014-06-11 | 江苏金立电子机械科技有限公司 | Planetary gear speed-reducing mechanism |
| CN106051065A (en) * | 2016-06-13 | 2016-10-26 | 宁波高科达力电机有限公司 | Solar light tracking planet gear speed reducer |
-
2012
- 2012-11-28 CN CN 201220640957 patent/CN203051637U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851130A (en) * | 2012-11-28 | 2014-06-11 | 江苏金立电子机械科技有限公司 | Planetary gear speed-reducing mechanism |
| CN106051065A (en) * | 2016-06-13 | 2016-10-26 | 宁波高科达力电机有限公司 | Solar light tracking planet gear speed reducer |
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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 |
Granted publication date: 20130710 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |