CN105465283A - Helical tooth planet gear speed reduction mechanism - Google Patents
Helical tooth planet gear speed reduction mechanism Download PDFInfo
- Publication number
- CN105465283A CN105465283A CN201510918036.2A CN201510918036A CN105465283A CN 105465283 A CN105465283 A CN 105465283A CN 201510918036 A CN201510918036 A CN 201510918036A CN 105465283 A CN105465283 A CN 105465283A
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- China
- Prior art keywords
- gear
- planet
- planet wheel
- thrust
- bearing
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- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a speed reduction mechanism, in particular to a helical tooth planet gear speed reduction mechanism. The helical tooth planet gear speed reduction mechanism comprises a hub reduction gear shell, a tooth ring, a planet gear support, planet gears, planet gear axles and a sun gear. The planet gears and the sun gear are all helical gears. The sun gear is installed on a half axle. The sun gear is engage with the planet gears. The planet gears are arranged on the planet gear axles in a sleeving manner. The planet gear axles are installed between the hub reduction gear shell and the planet gear support. The planet gears are also engaged with the tooth ring, the tooth ring is connected with a tooth ring support, and the tooth ring support is connected and fastened to an axle pipe. Thrust bearings are attached to the two ends of the sun gear and the two ends of the planet gears respectively, and the thrust bearings are installed on the hub reduction gear shell and the planet gear support respectively. Belleville springs are arranged on the other sides of the thrust bearings. The helical tooth planet gear speed reduction mechanism has the characteristics of being low in noise and large in torque, and the needs for comfort and durability of low floor passenger cars can be met; and meanwhile the problem that the rate of faults such as gear colliding and heating is high can be solved, and the helical tooth planet gear speed reduction mechanism is simple in structure, small in occupied space and easy to use and popularize.
Description
Technical field
The present invention relates to a kind of reducing gear, particularly a kind of helical teeth planet gear reducing mechanism.
Background technique
Current low-floor vehicle hub reduction machinery used is all use STR or benz rear axle wheel reductor planetary gear reducing mechanism, no matter and be STR rear axle wheel reductor or benz rear axle wheel reductor planet gear reducing mechanism used, be all straight tooth structure, noise is large, and planet wheel anti-attrition pad, sun gear anti-attrition pad can wear and tear after use is of a specified duration, cause gear backlash to change, thus to beat the rate of fault such as tooth, heating higher for planet gear reducing mechanism.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of and can meet low-floor vehicle helical teeth planet gear reducing mechanism used, make it have the feature of low noise, high pulling torque.
The technological scheme solved the problems of the technologies described above is: a kind of helical teeth planet gear reducing mechanism, comprise hub reducer casing, be arranged on gear ring, planetary carrier, planet wheel, planet wheel shaft, sun gear in hub reducer casing successively, described planet wheel, sun gear are helical gear; Described sun gear is arranged on semiaxis, and sun gear engages with planet wheel, and planet wheel is sleeved on planet wheel shaft, in the planet wheel axis hole of planet wheel shaft one end press-in hub reducer casing, in the planet wheel axis hole of the other end planetary carrier of planet wheel shaft; Described planet wheel is also meshed with gear ring, and gear ring is connected by jump ring with gear ring support, and gear ring support is connected on central siphon, and is locked by the locking nut be arranged on central siphon.
Further technological scheme of the present invention is: the two ends of described sun gear are respectively arranged with thrust-bearing I, and this thrust-bearing I is arranged on hub reducer casing, planetary carrier respectively, and the side of thrust-bearing I and the end face of sun gear fit; The two ends of described planet wheel are respectively arranged with thrust-bearing II, and this thrust-bearing II is arranged on hub reducer casing, planetary carrier respectively, and the side of thrust-bearing II and the end face of planet wheel fit.
Of the present invention more further technological scheme be: be separately installed with belleville spring I between the opposite side of described thrust-bearing I and hub reducer casing, planetary carrier; Belleville spring II is separately installed with between the opposite side of thrust-bearing II and hub reducer casing, planetary carrier.
Owing to adopting said structure, the helical teeth planet gear reducing mechanism of the present invention compared with prior art, has following beneficial effect:
1. can reduce noise, improve moment of torsion:
Owing to the present invention includes hub reducer casing, being arranged on gear ring, planetary carrier, planet wheel, planet wheel shaft, sun gear in hub reducer casing successively, wherein planet wheel, sun gear are helical gear; Sun gear is arranged on semiaxis, and sun gear engages with planet wheel, and planet wheel is sleeved on planet wheel shaft, in the planet wheel axis hole of planet wheel shaft one end press-in hub reducer casing, in the planet wheel axis hole of the other end planetary carrier of planet wheel shaft; Planet wheel is also meshed with gear ring, and gear ring, gear ring support are connected by jump ring, and gear ring support is connected on central siphon, and is locked by the locking nut be arranged on central siphon.Therefore, what the present invention adopted be sun gear is driving link, planetary carrier is driven member and mode of structure that gear ring is fixing, and sun gear, planet wheel all adopt helical gear, this helical gear adds contact ratio and overlap ratio, improve anti-twisting property, thus greatly can reduce noise, improve moment of torsion, the needs of low-floor vehicle travelling comfort, serviceability can be met.
2. can reduce heating accident rate:
Two ends due to sun gear of the present invention are respectively arranged with thrust-bearing I, and this thrust-bearing I is arranged on hub reducer casing, planetary carrier respectively, and the side of thrust-bearing I and the end face of sun gear fit; And the two ends of planet wheel are respectively arranged with thrust-bearing II, this thrust-bearing II is arranged on hub reducer casing, planetary carrier respectively, and the side of thrust-bearing II and the end face of planet wheel fit.Therefore, the present invention adopts thrust-bearing to instead of anti-attrition pad, thus solves planet wheel anti-attrition pad, sun gear anti-attrition pad and hub reducer casing wear problem, greatly reduces heating accident rate.
3. can solve the problem that planet gear reducing mechanism easily beats tooth:
Owing to being separately installed with belleville spring I between the opposite side of thrust-bearing I of the present invention and hub reducer casing, planetary carrier; Belleville spring II is separately installed with between the opposite side of thrust-bearing II and hub reducer casing, planetary carrier.Therefore the present invention adopts belleville spring in thrust-bearing side, can ensure the pretension of bearing and gear, and after solving original structure anti-wear gasket pad wear, gear loosens the problem of easily beating tooth.
4. structure is simple, takes up room little:
Structure of the present invention is simple, and cost is low; Volume is little, takes up room little, is easy to promote the use of.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristics of the helical teeth planet gear reducing mechanism of the present invention is further described.
Accompanying drawing explanation
Fig. 1: the structural representation of the helical teeth planet gear reducing mechanism of the present invention described in embodiment one.
In Fig. 1, each description of reference numerals is as follows:
1-hub reducer casing, 2-gear ring, 3-planetary carrier, 4-sun gear, 5-belleville spring I,
6-thrust-bearing I, 7-planet wheel, 8-belleville spring II, 9-thrust-bearing II, 10-planet wheel shaft,
11-gear ring support, 12-central siphon, 13-semiaxis, 14-locking nut.
Embodiment
Embodiment one:
A kind of helical teeth planet gear reducing mechanism (shown in Figure 1), comprise hub reducer casing 1, be arranged on gear ring 2, planetary carrier 3, planet wheel 7, planet wheel shaft 10, sun gear 4 in hub reducer casing 1 successively, described planet wheel 7, sun gear 4 are helical gear; Described sun gear 4 is arranged on semiaxis 13, sun gear 4 engages with planet wheel 7, planet wheel 7 is sleeved on planet wheel shaft 10, in the planet wheel axis hole of planet wheel shaft 10 one end press-in hub reducer casing 1, in the planet wheel axis hole of the other end planetary carrier 3 of planet wheel shaft 10; Described planet wheel 7 is also meshed with gear ring 2, and gear ring 2 is connected by jump ring with gear ring support 11, and gear ring support 11 is connected on central siphon 12, and is locked by the locking nut 14 be arranged on central siphon 12.
The two ends of described sun gear 4 are respectively arranged with thrust-bearing I 6, and this thrust-bearing I 6 is arranged on hub reducer casing 1, planetary carrier 3 respectively, and the end face of the side of thrust-bearing I 6 and sun gear 4 fits; Belleville spring I 5 is separately installed with between the opposite side of thrust-bearing I and hub reducer casing 1, planetary carrier 3.
The two ends of described planet wheel 7 are respectively arranged with thrust-bearing II 9, and this thrust-bearing II 9 is arranged on hub reducer casing 1, planetary carrier 3 respectively, and the end face of the side of thrust-bearing II 9 and planet wheel 7 fits; Belleville spring II 8 is separately installed with between the opposite side of thrust-bearing II and hub reducer casing 1, planetary carrier 3.
Working principle of the present invention is as follows:
During installation, first belleville spring I 5, thrust-bearing I 6 and belleville spring II 8, thrust-bearing II 9 are installed on hub reducer casing 1, planetary carrier 3 respectively, again planet wheel shaft 10 is pressed into the planet wheel axis hole position of hub reducer casing 1, planet wheel 7 is inserted in planet wheel shaft 10, determine mounting point with thrust-bearing II 9, planet wheel 7 end face and thrust-bearing 9 are fitted; Sun gear 4 determines mounting point by 5 planet wheels 7 and thrust-bearing 6, and sun gear 4 end face and thrust-bearing 6 I are fitted.Hub reducer casing 1, planetary carrier 3 are fixed by planet wheel shaft 10, bolt.Gear ring support 11, gear ring 2 are connected by jump ring, and are fixed on central siphon 12 by locking nut 14.Semiaxis 13 and sun gear 4 are by spline coupling, and semiaxis 13 drives sun gear 4, and sun gear 4 engages with planet wheel 7, and gear ring 2 is fixed on central siphon 12 by gear ring splined, drive whole limit of taking turns to rotate, realize hub reduction function.During the running of hub reduction structure, because using helical gear to produce larger axis to power, being supported by thrust-bearing I 6, thrust-bearing II 9, solving anti-attrition pad and hub reducer casing wear problem, greatly reducing heating accident rate.Adopt belleville spring pretension in thrust-bearing I 6, thrust-bearing II 9 side, can ensure the pretension of bearing and gear, after solving original structure anti-wear gasket pad wear, gear loosens the problem of easily beating tooth.
Claims (3)
1. a helical teeth planet gear reducing mechanism, comprise hub reducer casing (1), be arranged on gear ring (2), planetary carrier (3), planet wheel (7), planet wheel shaft (10), sun gear (4) in hub reducer casing (1) successively, it is characterized in that: described planet wheel (7), sun gear (4) are helical gear; Described sun gear (4) is arranged on semiaxis (13), sun gear (4) engages with planet wheel (7), planet wheel (7) is sleeved on planet wheel shaft (10), in the planet wheel axis hole of planet wheel shaft (10) one end press-in hub reducer casing (1), in the planet wheel axis hole of the other end planetary carrier (3) of planet wheel shaft (10); Described planet wheel (7) is also meshed with gear ring (2), and gear ring (2) is connected by jump ring with gear ring support (11), and gear ring support (11) is connected on central siphon (12), and is locked by the locking nut (14) be arranged on central siphon (12).
2. helical teeth planet gear reducing mechanism according to claim 1, it is characterized in that: the two ends of described sun gear (4) are respectively arranged with thrust-bearing I (6), this thrust-bearing I (6) is arranged on hub reducer casing (1), planetary carrier (3) respectively, and the end face of the side of thrust-bearing I (6) and sun gear (4) fits; The two ends of described planet wheel (7) are respectively arranged with thrust-bearing II (9), this thrust-bearing II (9) is arranged on hub reducer casing (1), planetary carrier (3) respectively, and the end face of the side of thrust-bearing II (9) and planet wheel (7) fits.
3. helical teeth planet gear reducing mechanism according to claim 2, is characterized in that: be separately installed with belleville spring I (5) between the opposite side of described thrust-bearing I and hub reducer casing (1), planetary carrier (3); Belleville spring II (8) is separately installed with between the opposite side of thrust-bearing II and hub reducer casing (1), planetary carrier (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918036.2A CN105465283A (en) | 2015-12-11 | 2015-12-11 | Helical tooth planet gear speed reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918036.2A CN105465283A (en) | 2015-12-11 | 2015-12-11 | Helical tooth planet gear speed reduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105465283A true CN105465283A (en) | 2016-04-06 |
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ID=55603305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918036.2A Pending CN105465283A (en) | 2015-12-11 | 2015-12-11 | Helical tooth planet gear speed reduction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465283A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352022A (en) * | 2016-08-30 | 2017-01-25 | 江苏泰隆减速机股份有限公司 | Crankshaft speed reducer |
| CN109442005A (en) * | 2018-12-28 | 2019-03-08 | 东风商用车有限公司 | A kind of large speed ratio high-speed planets system reducer structure |
| CN109505939A (en) * | 2018-12-28 | 2019-03-22 | 东风商用车有限公司 | A kind of hybrid power gearbox |
| CN109667531A (en) * | 2019-01-23 | 2019-04-23 | 广州市珏饰窗饰科技有限公司 | A kind of helical teeth planetary gear deceleration curtain head |
| CN113374914A (en) * | 2021-05-20 | 2021-09-10 | 烟台南山学院 | Manual-automatic integrated water supply valve for train |
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| US6077184A (en) * | 1997-10-09 | 2000-06-20 | Samsung Electronics Co., Ltd. | Shaft assembly for use in a washing machine |
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| CN201254094Y (en) * | 2008-08-15 | 2009-06-10 | 中国第一汽车集团公司 | Full floating type axle and external meshing cylindrical gear portal type drive axle |
| CN101749392A (en) * | 2008-12-16 | 2010-06-23 | 徐众 | Screw rod with rollers |
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| CN201777129U (en) * | 2010-08-05 | 2011-03-30 | 方盛车桥（柳州）有限公司 | High-torque hub reduction double-axle assembly |
| CN201982584U (en) * | 2011-01-28 | 2011-09-21 | 江阴克威齿轮箱制造有限公司 | Planetary gear reducer with compact structure |
| CN102381188A (en) * | 2011-08-17 | 2012-03-21 | 湖南中联重科车桥有限公司 | Wheel-edge speed reducer frame, wheel-edge speed reducer and vehicle |
| CN103322142A (en) * | 2013-06-09 | 2013-09-25 | 王宪平 | Planetary and hydraulic combined automatic continuously-variable transmission |
| CN203211015U (en) * | 2013-04-15 | 2013-09-25 | 中国第一汽车股份有限公司 | Rotating-preventing structure of symmetric polygonal fixing sleeve |
| CN203543527U (en) * | 2013-11-19 | 2014-04-16 | 陕西汉德车桥有限公司 | Automobile steering drive axle wheel rim assembly |
| CN104930164A (en) * | 2015-06-15 | 2015-09-23 | 湖北航天技术研究院特种车辆技术中心 | Disconnected type drive axle main reducer assembly |
| CN205350212U (en) * | 2015-12-11 | 2016-06-29 | 方盛车桥（柳州）有限公司 | Capable star wheel retarder of skewed tooth constructs |
-
2015
- 2015-12-11 CN CN201510918036.2A patent/CN105465283A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276093Y (en) * | 1996-08-12 | 1998-03-11 | 邢台建筑起重机械有限公司 | Planetary gear speed reducer |
| US6077184A (en) * | 1997-10-09 | 2000-06-20 | Samsung Electronics Co., Ltd. | Shaft assembly for use in a washing machine |
| CN201027963Y (en) * | 2007-04-05 | 2008-02-27 | 东风汽车集团股份有限公司 | Planetary gear hub speed reducer |
| CN201254094Y (en) * | 2008-08-15 | 2009-06-10 | 中国第一汽车集团公司 | Full floating type axle and external meshing cylindrical gear portal type drive axle |
| CN101749392A (en) * | 2008-12-16 | 2010-06-23 | 徐众 | Screw rod with rollers |
| CN101823433A (en) * | 2010-05-21 | 2010-09-08 | 徐工集团工程机械股份有限公司科技分公司 | Wet braking drive axle and loading machine with same |
| CN201753020U (en) * | 2010-06-30 | 2011-03-02 | 比亚迪股份有限公司 | Wheel side driving system and vehicle including same |
| CN201777129U (en) * | 2010-08-05 | 2011-03-30 | 方盛车桥（柳州）有限公司 | High-torque hub reduction double-axle assembly |
| CN201982584U (en) * | 2011-01-28 | 2011-09-21 | 江阴克威齿轮箱制造有限公司 | Planetary gear reducer with compact structure |
| CN102381188A (en) * | 2011-08-17 | 2012-03-21 | 湖南中联重科车桥有限公司 | Wheel-edge speed reducer frame, wheel-edge speed reducer and vehicle |
| CN203211015U (en) * | 2013-04-15 | 2013-09-25 | 中国第一汽车股份有限公司 | Rotating-preventing structure of symmetric polygonal fixing sleeve |
| CN103322142A (en) * | 2013-06-09 | 2013-09-25 | 王宪平 | Planetary and hydraulic combined automatic continuously-variable transmission |
| CN203543527U (en) * | 2013-11-19 | 2014-04-16 | 陕西汉德车桥有限公司 | Automobile steering drive axle wheel rim assembly |
| CN104930164A (en) * | 2015-06-15 | 2015-09-23 | 湖北航天技术研究院特种车辆技术中心 | Disconnected type drive axle main reducer assembly |
| CN205350212U (en) * | 2015-12-11 | 2016-06-29 | 方盛车桥（柳州）有限公司 | Capable star wheel retarder of skewed tooth constructs |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352022A (en) * | 2016-08-30 | 2017-01-25 | 江苏泰隆减速机股份有限公司 | Crankshaft speed reducer |
| CN109442005A (en) * | 2018-12-28 | 2019-03-08 | 东风商用车有限公司 | A kind of large speed ratio high-speed planets system reducer structure |
| CN109505939A (en) * | 2018-12-28 | 2019-03-22 | 东风商用车有限公司 | A kind of hybrid power gearbox |
| CN109505939B (en) * | 2018-12-28 | 2024-03-19 | 东风商用车有限公司 | Hybrid power gearbox |
| CN109667531A (en) * | 2019-01-23 | 2019-04-23 | 广州市珏饰窗饰科技有限公司 | A kind of helical teeth planetary gear deceleration curtain head |
| CN109667531B (en) * | 2019-01-23 | 2024-05-17 | 广州市珏饰窗饰科技有限公司 | Helical gear planetary gear speed reduction roller shutter head |
| CN113374914A (en) * | 2021-05-20 | 2021-09-10 | 烟台南山学院 | Manual-automatic integrated water supply valve for train |
| CN113374914B (en) * | 2021-05-20 | 2022-10-14 | 烟台南山学院 | Manual-automatic integrated water supply valve for train |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |