CN201944201U - Planetary rotating speed reducer - Google Patents
Planetary rotating speed reducer Download PDFInfo
- Publication number
- CN201944201U CN201944201U CN 201120035900 CN201120035900U CN201944201U CN 201944201 U CN201944201 U CN 201944201U CN 201120035900 CN201120035900 CN 201120035900 CN 201120035900 U CN201120035900 U CN 201120035900U CN 201944201 U CN201944201 U CN 201944201U
- Authority
- CN
- China
- Prior art keywords
- planetary
- grade
- planet wheel
- vertical shaft
- rotary vertical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract 1
- 238000005272 metallurgy Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
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Abstract
The utility model discloses a planetary rotating speed reducer, mainly consisting of a planetary mechanism and a three-grade gear transmission, wherein the three-grade gear transmission comprises a rotary vertical shaft and a shell connected by a pushing upper bearing and a pushing lower bearing, an insulating sleeve is arranged between one end of the pushing lower bearing and the rotary vertical shaft, the rotary vertical shaft close to the shell is provided with a sealing ring and a wave-shaped seal at intervals, the rotary vertical shaft close to the pushing upper bearing is provided with a clamping ring, the head part of the rotary vertical shaft is connected with the inner spline of a second-grade planetary bracket in the planetary mechanism by an outer spline, the inside of the second-grade planetary bracket is provided with four second-grade solar wheels engaged with the second-grade planetary wheel, one end of the second-grade solar wheel is connected with a first-grade planetary bracket by the spline, the inside of the first-grade planetary bracket is provided with four first-grade planetary wheels, the first-grade planetary wheels are engaged with input solar wheels; the input solar wheels are connected with a plunger quantitative motor input shaft by the spline, the two ends of an inner gear ring are fixed with the plunger quantitative motor through bolts, locating pins and the shell, the inner gear ring is engaged with the second-grade planetary wheel and the first-grade planetary wheel. The planetary rotating speed reducer has advantages of compact structure, small volume, light weight, large transmission ratio range, high transmission efficiency, stable operation, small noise and the like.
Description
Technical field
The utility model relates to a kind of planetary cycle retarder, belong to a kind of mechanical transmission, can be widely used in engineering machinery, metallurgy, chemical industry, mine, lifting transportation, fields such as boats and ships.
Background technique
In the prior art, a kind of rotating platform that is used for excavator is arranged, or be used for cycle retarder on the equipment of mine, lifting transportation, mainly be made up of planetary mechanism and gear drive, structurally to exist volume big because of them, Heavy Weight, gear range is little, defectives such as transmission efficiency is low, thereby be badly in need of a kind of improved cycle retarder, to satisfy the needs of real work.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of compact structure is provided, and volume is little, in light weight, gear range is big, the transmission efficiency height, running is steady, and noise is little, is well positioned to meet the planetary cycle retarder of requirement of actual working condition.
The purpose of this utility model is finished by following technical solution, it mainly is made up of planetary mechanism and gear drive, described gear drive includes: the rotary vertical shaft and the housing that are connected with the thrust lower bearing by the thrust upper bearing (metal), be lined with spacer between one end of described thrust lower bearing and the rotary vertical shaft, be provided with seal ring and bellows seal near between housing on the rotary vertical shaft, by the thrust upper bearing (metal) snap ring is housed on the rotary vertical shaft, the head of rotary vertical shaft is connected by the internal spline on the secondary planet frame in external splines and the planetary mechanism, the inside of secondary planet frame is equipped with the secondary sun gear that is connected with a joggle with four secondary planet wheels, one end of secondary sun gear is connected with primary planet carrier by spline, the inside of primary planet carrier is equipped with four one-level planet wheels, one-level planet wheel and the engagement of input sun gear; The input sun gear is connected with plunger fixed displacement motor input shaft by spline, and the two ends of ring gear are fixed by bolt and locating stud and housing and plunger fixed displacement motor, and ring gear while and secondary planet are taken turns and the one-level planet wheel meshes.
Be provided with locked spacer between described secondary planet wheel and the secondary planet frame, the secondary planet wheel is installed on the secondary planet wheel shaft by needle bearing, and the secondary planet wheel shaft is fixed on the secondary planet frame by spring pin.
Described one-level planet wheel is installed on the one-level planet wheel shaft by roller, be provided with circlip for shaft in the annular groove on the one-level planet wheel shaft, the two ends of one-level planet wheel shaft are respectively equipped with Thurst washer and following Thurst washer, and the one-level planet wheel shaft is fixed on the primary planet carrier by riveted way.
Described plunger fixed displacement motor is that an oil hydraulic motor that can carry out stepless speed regulation constitutes.
The utility model front half part is the plunger fixed displacement motor, is responsible for the input of power; Latter half part comprises two planet rows parts and the rotary vertical shaft that is connected by last lower thrust-bearing, planetary part is realized double reduction, rotary vertical shaft outputs power the back by meshing with the ring gear of using as fixed bearing, can reach the required more big retarding ratio of requirement.This speed reducer compact structure, volume is little, and is in light weight, and gear range is big, the transmission efficiency height, running is steady, and noise is little, is well positioned to meet requirement of actual working condition, can be widely used in metallurgy, chemical industry, mine, lifting transportation, technical fields such as boats and ships.
Description of drawings
Fig. 1 is a drive mechanism schematic representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in Figure 1, the utility model mainly is made up of planetary mechanism and gear drive, described gear drive includes: the rotary vertical shaft 3 and the housing 4 that are connected with thrust lower bearing 2 by thrust upper bearing (metal) 1, be lined with spacer 5 between one end of described thrust lower bearing 2 and the rotary vertical shaft 3, be provided with seal ring 6 and bellows seal 7 near 4 of housings on the rotary vertical shaft 3, by thrust upper bearing (metal) 1 snap ring 8 is housed on the rotary vertical shaft 3, the head of rotary vertical shaft 3 is connected by the internal spline on the secondary planet frame 9 in external splines and the planetary mechanism, the inside of secondary planet frame 9 is equipped with and four secondary planet wheel 10 secondary sun gears 11 that are connected with a joggle, one end of secondary sun gear 11 is connected with primary planet carrier 12 by spline, the inside of primary planet carrier 12 is equipped with four one-level planet wheels 13, one- level planet wheel 13 and 15 engagements of input sun gear; Input sun gear 15 is connected with plunger fixed displacement motor input shaft 17 by spline, and the two ends of ring gear 14 are fixed by bolt and locating stud and housing 4 and plunger fixed displacement motor 16,14 whiles of ring gear and secondary planet take turns 10 and one-level planet wheel 13 mesh.
Be provided with locked spacer between described secondary planet wheel and the secondary planet frame, secondary planet is taken turns 10 and is installed on the secondary planet wheel shaft by needle bearing, and the secondary planet wheel shaft is fixed on the secondary planet frame 9 by spring pin.
Described one-level planet wheel 13 is installed on the one-level planet wheel shaft by roller, be provided with circlip for shaft in the annular groove on the one-level planet wheel shaft, the two ends of one-level planet wheel shaft are respectively equipped with Thurst washer and following Thurst washer, and the one-level planet wheel shaft is fixed on the primary planet carrier by riveted way.One-level planet wheel and the engagement of input sun gear; The input sun gear is connected by the input shaft of spline with the plunger fixed displacement motor, fixedlys connected with the plunger fixed displacement motor with housing with locating stud by bolt in the two ends of ring gear, and ring gear meshes with secondary planet wheel and one-level planet wheel simultaneously.Power is by the input of plunger fixed displacement motor, through the transmission of two-stage planetary reduction gear, at last by the output of output vertical shaft.Output speed carries out stepless speed regulation by oil hydraulic motor.
The every technical order advanced person of the utility model, novel structure, compact in design, volume is little, and is in light weight, and gear range is big, the transmission efficiency height, running is steady, and noise is little.Tooth processing technology advanced person, the meshing performance excellent quality can be moved synthetic and decomposition,
Described plunger fixed displacement motor 16 is that an oil hydraulic motor that can carry out stepless speed regulation constitutes.
Claims (4)
1. planetary cycle retarder, it mainly is made up of planetary mechanism and gear drive, it is characterized in that described gear drive includes: the rotary vertical shaft (3) and the housing (4) that are connected with thrust lower bearing (2) by thrust upper bearing (metal) (1), be lined with spacer (5) between one end of described thrust lower bearing (2) and the rotary vertical shaft (3), rotary vertical shaft (3) is gone up near between housing (4) and is provided with seal ring (6) and bellows seal (7), rotary vertical shaft (3) is gone up by thrust upper bearing (metal) (1) snap ring (8) is housed, the head of rotary vertical shaft (3) is connected by the internal spline on the secondary planet frame (9) in external splines and the planetary mechanism, the inside of secondary planet frame (9) is equipped with the secondary sun gear (11) that is connected with a joggle with four secondary planet wheels (10), one end of secondary sun gear (11) is connected with primary planet carrier (12) by spline, the inside of primary planet carrier (12) is equipped with four one-level planet wheels (13), one-level planet wheel (13) and input sun gear (15) engagement; Input sun gear (15) is connected with plunger fixed displacement motor input shaft (17) by spline, the two ends of ring gear (14) are fixing by bolt and locating stud and housing (4) and plunger fixed displacement motor (16), ring gear (14) simultaneously and secondary planet wheel (10) and one-level planet wheel (13) mesh.
2. planetary cycle retarder according to claim 1, it is characterized in that being provided with locked spacer between described secondary planet wheel and the secondary planet frame, secondary planet wheel (10) is installed on the secondary planet wheel shaft by needle bearing, and the secondary planet wheel shaft is fixed on the secondary planet frame (9) by spring pin.
3. planetary cycle retarder according to claim 1, it is characterized in that described one-level planet wheel (13) is installed on the one-level planet wheel shaft by roller, be provided with circlip for shaft in the annular groove on the one-level planet wheel shaft, the two ends of one-level planet wheel shaft are respectively equipped with Thurst washer and following Thurst washer, and the one-level planet wheel shaft is fixed on the primary planet carrier by riveted way.
4. planetary cycle retarder according to claim 1 is characterized in that described plunger fixed displacement motor (16) is to carry out the stepless speed regulation oil hydraulic motor to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120035900 CN201944201U (en) | 2011-01-31 | 2011-01-31 | Planetary rotating speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120035900 CN201944201U (en) | 2011-01-31 | 2011-01-31 | Planetary rotating speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201944201U true CN201944201U (en) | 2011-08-24 |
Family
ID=44471544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120035900 Expired - Lifetime CN201944201U (en) | 2011-01-31 | 2011-01-31 | Planetary rotating speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201944201U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527756B (en) * | 2013-02-04 | 2016-08-24 | 马骥 | Compact type variable transmission mechanism |
| CN107448561A (en) * | 2017-09-04 | 2017-12-08 | 杭州前进齿轮箱集团股份有限公司 | A kind of two grades of high speed difference speed changers |
| CN110657200A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmissions, Powertrains and Vehicles |
| CN110725899A (en) * | 2018-07-16 | 2020-01-24 | 刘少飞 | Two-stage planetary reduction mechanism |
| CN110848339A (en) * | 2019-12-11 | 2020-02-28 | 章臣重工(苏州)有限公司 | A planetary gear reducer |
| CN113879966A (en) * | 2021-12-08 | 2022-01-04 | 河南东起机械有限公司 | An embedded planetary speed regulating crane wheel |
-
2011
- 2011-01-31 CN CN 201120035900 patent/CN201944201U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527756B (en) * | 2013-02-04 | 2016-08-24 | 马骥 | Compact type variable transmission mechanism |
| CN107448561A (en) * | 2017-09-04 | 2017-12-08 | 杭州前进齿轮箱集团股份有限公司 | A kind of two grades of high speed difference speed changers |
| CN107448561B (en) * | 2017-09-04 | 2019-08-30 | 杭州前进齿轮箱集团股份有限公司 | A kind of two grades of high speed difference speed changers |
| CN110657200A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmissions, Powertrains and Vehicles |
| CN110657200B (en) * | 2018-06-29 | 2021-12-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN110725899A (en) * | 2018-07-16 | 2020-01-24 | 刘少飞 | Two-stage planetary reduction mechanism |
| CN110848339A (en) * | 2019-12-11 | 2020-02-28 | 章臣重工(苏州)有限公司 | A planetary gear reducer |
| CN113879966A (en) * | 2021-12-08 | 2022-01-04 | 河南东起机械有限公司 | An embedded planetary speed regulating crane wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |