WO2018028204A1 - 一种分度圆差减速装置 - Google Patents

一种分度圆差减速装置 Download PDF

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Publication number
WO2018028204A1
WO2018028204A1 PCT/CN2017/077648 CN2017077648W WO2018028204A1 WO 2018028204 A1 WO2018028204 A1 WO 2018028204A1 CN 2017077648 W CN2017077648 W CN 2017077648W WO 2018028204 A1 WO2018028204 A1 WO 2018028204A1
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Prior art keywords
gear
planetary gear
reduction device
sub
indexing
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PCT/CN2017/077648
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English (en)
French (fr)
Inventor
马墉良
Original Assignee
谭国荣
马墉良
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Publication of WO2018028204A1 publication Critical patent/WO2018028204A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/028Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H2001/2881Toothed gearings for conveying rotary motion with gears having orbital motion comprising two axially spaced central gears, i.e. ring or sun gear, engaged by at least one common orbital gear wherein one of the central gears is forming the output

Definitions

  • the present invention relates to the field of reduction transmission technology, and more particularly to an indexing circle difference reduction device.
  • the widely used large speed ratio reducer has complicated structure, unstable operation, small single-stage transmission ratio, large volume, unreliable use, many failures, short life, high noise, inconvenient disassembly and assembly, and inconvenience.
  • Many problems such as maintenance, and in the case of satisfying the large reduction ratio, multi-stage transmission is required, the efficiency is low, the rigidity is poor, the precision is low, the manufacturing process is complicated, and the defects are obvious.
  • the harmonic drive of a harmonic reducer utilizes the elastic deformation controlled by a flexible element to transmit motion and power.
  • the volume is small and the precision is high, but the disadvantage is that the flexible wheel has limited life, is not impact resistant, and has rigidity. Metal parts are relatively poor.
  • the input speed should not be too high, and the general requirement is less than 1500 rpm. The manufacturing process is complicated and the production cost is high.
  • Another example is a planetary reducer, which has the advantages of compact structure, small return clearance, high precision, long service life, and large rated output torque.
  • the disadvantage is that the reduction ratio is small, the single-stage deceleration is a minimum of 3, the maximum is generally not more than 10, and the accuracy of each additional stage deceleration is doubled, and the volume is also increased.
  • the technical problem to be solved by the present invention is to provide an indexing and rounding speed reduction device with simple structure, stable operation, high transmission ratio, small volume and long service life, which has high transmission efficiency, convenient assembly and disassembly, and good rigidity.
  • the advantage of high transmission precision is to provide an indexing and rounding speed reduction device with simple structure, stable operation, high transmission ratio, small volume and long service life, which has high transmission efficiency, convenient assembly and disassembly, and good rigidity.
  • An indexing differential gear reduction device includes a support housing, an input gear, a planetary gear set and an output inner ring gear, and the support housing is fixedly fixedly provided An inner ring gear, the planetary gear set includes a main planetary gear and a sub-planetary gear coaxially fixedly coupled to the main planetary gear, the main planetary gear is meshed with the input gear and the fixed inner ring gear, and the sub-planetary gear and the The output inner ring gear is meshed, and the diameter of the index circle of the output inner ring gear is larger or smaller than the diameter of the index circle of the fixed inner ring gear.
  • the number of the main planetary gears and the auxiliary planetary gears is one.
  • the planetary gear set includes a planetary carrier, two or more main planetary gears, and a sub-planetary gear connected in one-to-one correspondence with the main planetary gears, and two or more main planetary gear rings are evenly distributed on the planet.
  • the planetary carrier comprises two single-sided brackets and a pin having the same number as the main planetary gears, and the main planetary gear and the sub-planetary gear are fixedly connected between the two single-sided brackets, and the pin passes through The two ends of the main planetary gear and the sub-planetary gear are respectively fixed to the two single-sided brackets.
  • the support housing and the output ring gear are connected by bearings.
  • the support housing is connected with an outer ring of the bearing by an interference fit
  • the output inner ring gear is connected with the inner ring of the bearing by an interference fit
  • the output inner ring gear is connected with an output cover.
  • the input gear is connected with an input shaft, and the main planetary gear and the sub-planetary gear are both spur gears or helical gears.
  • the main planetary gear and the sub planetary gear are fixedly connected by screws.
  • the beneficial effects of the present invention are as follows:
  • the present invention provides an indexing circle difference deceleration device, and the indexing circle difference decelerating device of the invention has a simple structure, a stable operation, a large transmission ratio, and a reduction ratio of 5000 or more.
  • Light weight, small size, high precision (within 1 minute), input shaft speed can be 15000 rev / min, volume is 20% of other reducers of the same power, suitable for large reduction ratio occasions and heavy-duty start reducer.
  • the speed reducer adopting the above technical solution has the following characteristics compared with the conventional speed reducer: [0018] 1.
  • the single-stage transmission ratio is large, and the input-output shaft is on the same axis, which saves the installation space;
  • the indexing and rounding speed reduction device of the invention has the advantages of simple structure, stable operation, high transmission ratio, high transmission efficiency, convenient assembly and disassembly, good rigidity and high transmission precision.
  • the efficiency can reach more than 95%.
  • FIG. 1 is a schematic cross-sectional structural view of a first embodiment of the indexing and rounding speed reduction device of the present invention.
  • FIG. 2 is a schematic cross-sectional structural view of A-A of FIG. 1.
  • FIG 3 is a schematic cross-sectional structural view of a second embodiment of the indexing and rounding speed reduction device of the present invention.
  • FIG. 4 is a schematic cross-sectional structural view of a third embodiment of the indexing and rounding speed reduction device of the present invention.
  • a first embodiment of an indexing and rounding speed reduction device includes a support housing 1, an input gear 2, a planetary gear set and an output inner ring gear 3, and the support housing 1 is fixed.
  • a fixed ring gear 4 is provided.
  • the planetary gear set includes a main planetary gear 5 and a sub-planetary gear 6 coaxially fixedly coupled to the main planetary gear 5.
  • the main planetary gear 5 is coupled to the input gear 2 and fixed.
  • the ring gear 4 is meshed, the sub-planetary gear 6 meshes with the output ring gear 3, and the index circle diameter of the output ring gear 3 is larger or smaller than the pitch circle diameter of the fixed ring gear 4.
  • an electric motor of 1200 rpm is taken as an example, electric
  • the main shaft of the machine is transmitted to the main planetary gear 5 through the input gear 2, and the sub-planetary gear 6 rotates in synchronization with the main planetary gear 5, and transmits the torque to the output ring gear 3, since the sub-planetary gear 6 and the main planetary gear 5 follow the planet
  • the self-propagation of the bracket 7 revolves. If the ratio of the index circle diameter of the fixed ring gear 4 to the output ring gear 3 is 100:9 9, and the ratio of the index circle diameter of the input gear 2 to the main planet gear 5 is 1: 6.
  • the transmission ratio of the input gear 2 and the output inner ring gear 3 of the indexing differential gear reduction device of the present invention is 6x100-99x100, and the transmission ratio is 600, that is, the input shaft 12 with a number of revolutions of 1200 rpm is subjected to the deceleration. After deceleration of the unit, the output shaft rotates at 2 rpm.
  • the indexing round difference deceleration device of the invention has simple structure, stable operation, large transmission ratio, and the reduction ratio can be more than 5000, light weight, small volume, high precision, up to 1 minute, and the input shaft 12 speed can be 15000 rev / min, the volume is 20% of other reducers of the same power, suitable for large reduction ratio occasions and reducer for heavy-duty start.
  • the indexing circular difference reduction device of the invention has the advantages of simple structure, stable operation, high transmission ratio, high transmission efficiency, convenient assembly and disassembly, good rigidity and high transmission precision.
  • the single-stage transmission ratio is 1:5000 or more, and the efficiency can reach 95% or more. Small in size and light in weight, it is 50 ⁇ 3 ⁇ 4-80% smaller than the traditional gear reducer. It is reliable in use, low in failure rate, high in creativity and obvious in progress.
  • the input gear 2 is connected with an input shaft 12, and the main planetary gear 5 and the sub-planetary gear 6 are spur gears or helical gears, and the input shaft 12 may be a main shaft of the motor. It can also be connected with the motor drive through the coupling, which is convenient to use.
  • the spur gear can effectively reduce the processing difficulty and production cost of the reducer.
  • the helical gear can effectively reduce the noise of the reducer, and the operation is more stable. Higher precision.
  • the planetary gear set includes a planetary carrier 7, two main planetary gears 5, and a sub-planetary gear 6 correspondingly connected to the main planetary gear 5, and the two main planetary gears 5 are symmetrically arranged.
  • the planetary carrier 7 includes two single-sided brackets 8 and a pin shaft 9 equal in number to the main planetary gears 5.
  • the main planetary gears 5 and the sub-planetary gears 6 are fixedly connected and are located between the two single-sided brackets 8 .
  • the pin 9 passes through the main planetary gear 5 and the sub-planetary gear 6 and is fixed to the two single-sided brackets 8 respectively.
  • the planetary carrier 7 serves to support the main planetary gear 5 and the sub-planetary gear 6 to prevent the rotational speeds of the two main planetary gears 5 and the sub-planetary gear 6 from being inconsistent and affecting the transmission efficiency of the reducer.
  • a bearing is arranged between the pin 9 and the main planetary gear 5 and the sub-planetary gear 6 for reducing the friction between the two and reducing the speed reducer. The heat is generated to extend the life of the planetary gear set.
  • the support housing 1 and the output inner ring gear 3 are connected by a bearing 10, wherein the support housing 1 is connected with an outer ring of the bearing 10, and the inner ring gear 3 is outputted.
  • the inner ring of the bearing 10 has an interference fit connection. Therefore, the unique degree of freedom of the output inner ring gear 3 is effectively ensured, and the output inner ring gear 3 is prevented from being detached from the speed reducer, and the overall performance of the reducer is better.
  • the output inner ring gear 3 is connected with the output cover body 11.
  • the reducer of the present invention is used for the upper jaw of the robot, the lower first mechanical arm or the mechanical claw can be directly fixed to the output cover. On the body 11, the utility and extensiveness of the reducer are further enhanced.
  • FIG. 3 shows a second embodiment of the indexing-difference gear reduction device, which is different from the first embodiment in that: the main planetary gear 5 and the sub-planetary gear 6 are fixedly connected by screws 13, The processing difficulty and disassembly and assembly difficulty of the planetary wheel set are further reduced, and maintenance and overhaul are more convenient.
  • the output inner ring gear 3 is connected with an output cover body 11.
  • the output cover body 11 is connected with an output shaft connection for mounting a pulley or a coupling, and is convenient to assemble.
  • FIG. 4 shows a third embodiment of the indexing-difference gear reduction device, which is different from the above-described second embodiment in that: the number of the main planetary gear 5 and the sub-planetary gear 6 is one, The structure is simpler, the manufacturing cost is lower, and it is more suitable for the toy field where the transmission torque is not large and the precision is not high.
  • the speed reducer adopting the above technical solution has the following characteristics compared with the conventional speed reducer:

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Abstract

一种分度圆差减速装置,包括支撑壳体(1)、输入齿轮(2)、行星轮组及输出内齿圈(3),支撑壳体(1)固定设置有固接内齿圈(4),所述行星轮组包括主行星齿轮(5)及与主行星齿轮(5)同轴固定连接的副行星齿轮(6),主行星齿轮(5)同时与所述输入齿轮(2)和固接内齿圈(4)啮合,副行星齿轮(6)与所述输出内齿圈(3)啮合,输出内齿圈(3)的分度圆直径大于或小于固接内齿圈(4)的分度圆直径。所述分度圆差减速装置结构简单、运转平稳,传动比高,还具有传动效率高、拆装方便、刚性好和传动精度高的优点。

Description

发明名称:一种分度圆差减速装置
技术领域
[0001] 本发明涉及减速传动技术领域, 尤其是指一种分度圆差减速装置。
背景技术
[0002] 在目前用于传递动力与运动的机构中, 减速机的应用范围相当广泛。 几乎在各 式机械的传动***中都可以见到它的踪迹, 从大动力的传输工作, 到小负荷,精 确的角度传输都可以见到减速机的应用, 且在工业应用上, 减速机具有减速及 增加转矩功能, 因此广泛应用在速度与扭矩的转换设备中, 减速机是一种动力 传达的机构, 在需要较高扭矩以及不需要太高转速的地方都用的到它, 而且随 着工业的发展和工厂的自动化, 其利用减速机的需求量日益增长。
[0003] 但当前广泛使用的大速比减速机存在结构复杂, 运转不平稳, 单级传动比小, 体积大, 使用不可靠, 故障多, 寿命短, 噪音大, 拆装不方便, 不便于维修等 诸多问题, 而且在满足大减速比的情况下, 需要多级传动, 效率很低, 刚性差 , 精度低, 制作工艺复杂, 缺陷明显。
[0004] 例如谐波减速机的谐波传动是利用柔性元件可控的弹性变形来传递运动和动力 , 其体积不大、 精度很高, 但缺点是柔轮寿命有限、 不耐冲击, 刚性与金属件 相比较差。 输入转速不能太高, 一般要求小于 1500转 /分, 制作工艺复杂, 制作 成本较高。
[0005] 再如行星减速机, 其优点是结构比较紧凑, 回程间隙小、 精度较高, 使用寿命 很长, 额定输出扭矩可以做的很大。 但缺点是减速比小, 单级减速最小为 3, 最 大一般不超过 10, 而且每增加一级减速精度就会降低一倍, 体积也会增大。 技术问题
[0006] 本发明要解决的技术问题是提供一种结构简单、 运转平稳, 传动比高、 体积小 、 使用寿命长的分度圆差减速装置, 具有传动效率高、 拆装方便、 刚性好和传 动精度高的优点。
问题的解决方案 技术解决方案
[0007] 为了解决上述技术问题, 本发明采用如下技术方案: 一种分度圆差减速装置, 包括支撑壳体、 输入齿轮、 行星轮组及输出内齿圈, 支撑壳体固定设置有固接 内齿圈, 所述行星轮组包括主行星齿轮及与主行星齿轮同轴固定连接的副行星 齿轮, 主行星齿轮同吋与所述输入齿轮和固接内齿圈啮合, 副行星齿轮与所述 输出内齿圈啮合, 输出内齿圈的分度圆直径大于或小于固接内齿圈的分度圆直 径。
[0008] 优选的, 所述主行星齿轮和副行星齿轮的数量均为一个。
[0009] 另一优选的, 所述行星轮组包括行星支架、 两个以上的主行星齿轮及与主行星 齿轮一一对应连接的副行星齿轮, 两个以上的主行星齿轮环形均布于行星支架
[0010] 优选的, 所述行星支架包括两个单边支架及与主行星齿轮数量相等的销轴, 主 行星齿轮和副行星齿轮固定连接后位于两个单边支架之间, 销轴穿过主行星齿 轮和副行星齿轮之后两端分别与两个单边支架固定。
[0011] 优选的, 所述支撑壳体与输出内齿圈之间通过轴承连接。
[0012] 优选的, 所述支撑壳体与轴承的外圈过盈配合连接, 输出内齿圈与轴承的内圈 过盈配合连接。
[0013] 优选的, 所述输出内齿圈连接有输出盖体。
[0014] 优选的, 所述输入齿轮连接有输入轴, 主行星齿轮和副行星齿轮均为直齿圆柱 齿轮或斜齿圆柱齿轮。
[0015] 优选的, 所述主行星齿轮和副行星齿轮通过螺钉固定连接。
发明的有益效果
有益效果
[0016] 本发明的有益效果在于: 本发明提供了一种分度圆差减速装置, 本发明的分度 圆差减速装置结构简单, 运转平稳, 传动比大, 减速比可以做到 5000以上, 重 量轻, 体积小, 精度高 (1分以内) , 输入轴转速可以 15000转 /分钟, 体积是同 等功率的其他减速机的 20%, 适宜大减速比场合及重载启动使用的减速机。
[0017] 采用上述技术方案的减速机, 与传统减速机相比有如下特点: [0018] 1、 单级传动比大, 输入输出轴在同一轴线上, 最大的节约安装空间;
[0019] 2、 零件个数很少, 传动精度更高, 运转平稳, 噪声小, 效率高, 使用寿命长
[0020] 3、 拆装方便, 维修简单;
[0021] 4、 特别适合机器人臂关节, 航空航天和大减速比场合及要求精密传动的场合 使用;
[0022] 5、 体积小, 扭矩大, 结构简单, 制作成本低, 是低能耗环保产品, 可取代目 前市场上的所有减速机产品。
[0023] 综上, 本发明的分度圆差减速装置结构简单、 运转平稳, 传动比高, 还具有传 动效率高、 拆装方便、 刚性好和传动精度高的优点。 传动比可达为 1 : 5000以上
, 效率可达 95%以上。 体积小, 重量轻, 比传统齿轮减速机体积减小 50<¾-80%以 上, 使用可靠, 故障率低, 创造性较高, 进步明显。
对附图的简要说明
附图说明
[0024] 图 1为本发明分度圆差减速装置实施例一的剖面结构示意图。
[0025] 图 2为图 1中 A-A的剖面结构示意图。
[0026] 图 3为本发明分度圆差减速装置实施例二的剖面结构示意图。
[0027] 图 4为本发明分度圆差减速装置实施例三的剖面结构示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0028] 为了便于本领域技术人员的理解, 下面结合实施例与附图对本发明作进一步的 说明, 实施方式提及的内容并非对本发明的限定。
[0029] 如图 1和图 2所示为一种分度圆差减速装置的实施例一, 包括支撑壳体 1、 输入 齿轮 2、 行星轮组及输出内齿圈 3, 支撑壳体 1固定设置有固接内齿圈 4, 所述行 星轮组包括主行星齿轮 5及与主行星齿轮 5同轴固定连接的副行星齿轮 6, 主行星 齿轮 5同吋与所述输入齿轮 2和固接内齿圈 4啮合, 副行星齿轮 6与所述输出内齿 圈 3啮合, 输出内齿圈 3的分度圆直径大于或小于固接内齿圈 4的分度圆直径。
[0030] 在分度圆差减速装置的减速传动过程中, 以 1200转 /分钟的电动机为例, 电动 机的主轴通过输入齿轮 2传递至主行星齿轮 5, 副行星齿轮 6与主行星齿轮 5同步 转动, 并将扭矩传递至输出内齿圈 3, 由于副行星齿轮 6与主行星齿轮 5随着行星 支架 7的自传而公转, 若固接内齿圈 4与输出内齿圈 3的分度圆直径比值为 100: 9 9, 且输入齿轮 2与主行星齿轮 5的分度圆直径比值为 1 : 6, 则本发明分度圆差减 速装置的输入齿轮 2与输出内齿圈 3的传动比为 6x100-99x100, 该传动比为 600, 即转数为 1200转 /分钟的输入轴 12经过该减速装置的减速之后, 输出轴的转速为 2 转 /分钟。
[0031] 本发明的分度圆差减速装置结构简单, 运转平稳, 传动比大, 减速比可以做到 5000以上, 重量轻, 体积小, 精度高, 可达 1分以内, 输入轴 12转速可以 15000 转 /分钟, 体积是同等功率的其他减速机的 20%, 适宜大减速比场合及重载启动 使用的减速机。
[0032] 本发明的分度圆差减速装置结构简单、 运转平稳, 传动比高, 还具有传动效率 高、 拆装方便、 刚性好和传动精度高的优点。 单级传动比为 1:5000以上, 效率可 达 95%以上。 体积小, 重量轻, 比传统齿轮减速机体积减小 50<¾-80%以上, 使用 可靠, 故障率低, 创造性较高, 进步明显。
[0033] 本实施例中, 所述输入齿轮 2连接有输入轴 12, 主行星齿轮 5和副行星齿轮 6均 为直齿圆柱齿轮或斜齿圆柱齿轮, 该输入轴 12可以是电机的主轴, 也可以通过 联轴器与电动机传动连接, 使用方便; 采用直齿圆柱齿轮能有效降低减速机的 加工难度和生产成本, 采用斜齿圆柱齿轮则能有效降低减速机的噪音, 运行更 加平稳, 传动精度更高。
[0034] 本实施例中, 所述行星轮组包括行星支架 7、 两个的主行星齿轮 5及与主行星齿 轮 5—一对应连接的副行星齿轮 6, 两个的主行星齿轮 5对称布置于行星支架 7。 具体的, 所述行星支架 7包括两个单边支架 8及与主行星齿轮 5数量相等的销轴 9 , 主行星齿轮 5和副行星齿轮 6固定连接后位于两个单边支架 8之间, 销轴 9穿过 主行星齿轮 5和副行星齿轮 6之后两端分别与两个单边支架 8固定。 该行星支架 7 用于对主行星齿轮 5和副行星齿轮 6起支撑作用, 避免两个主行星齿轮 5和副行星 齿轮 6转速不一致而影响减速机的传动效率。 优选的实施方式是销轴 9与主行星 齿轮 5和副行星齿轮 6之间装设有轴承, 用于减小两者之间的摩擦, 降低减速器 的发热量, 延长行星轮组使用寿命。
[0035] 优选的, 所述支撑壳体 1与输出内齿圈 3之间通过轴承 10连接, 其中, 所述支撑 壳体 1与轴承 10的外圈过盈配合连接, 输出内齿圈 3与轴承 10的内圈过盈配合连 接。 从而有效保证了所述输出内齿圈 3的唯一自由度, 避免输出内齿圈 3从减速 机上脱离, 减速机的整体性更良好。
[0036] 本实施例中, 所述输出内齿圈 3连接有输出盖体 11, 当本发明的减速机用于机 器人上吋, 还可以直接将下一级机械手臂或机械手爪固定于输出盖体 11上, 进 一步加强了该减速机的实用性和广泛性。 本发明的实施方式
[0037] 如图 3所示为一种分度圆差减速装置的实施例二, 与上述实施例一的不同之处 在于: 所述主行星齿轮 5和副行星齿轮 6通过螺钉 13固定连接, 进一步减小了行 星轮组部分的加工难度和拆装难度, 维护和检修更加方便。
[0038] 本实施例中, 所述输出内齿圈 3连接有输出盖体 11, 该输出盖体 11连接有输出 轴连接, 用于安装带轮或联轴器, 组装方便。
[0039] 如图 4所示为一种分度圆差减速装置的实施例三, 与上述实施例二的不同之处 在于: 所述主行星齿轮 5和副行星齿轮 6的数量均为一个, 结构更加简单, 制造 成本更低, 更适用于传动力矩不大, 精度要求不高的玩具领域。
工业实用性
[0040] 采用上述技术方案的减速机, 与传统减速机相比有如下特点:
[0041] 1、 单级传动比大, 输入输出轴在同一轴线上, 最大的节约安装空间;
[0042] 2、 零件个数很少, 传动精度更高, 运转平稳, 噪声小, 效率高, 使用寿命长
[0043] 3、 拆装方便, 维修简单;
[0044] 4、 特别适合机器人臂关节, 航空航天和大减速比场合及要求精密传动的场合 使用;
[0045] 5、 体积小, 扭矩大, 结构简单, 制作成本低, 是低能耗环保产品, 可取代目 前市场上的所有减速机产品。

Claims

权利要求书
一种分度圆差减速装置, 包括支撑壳体 (1) 、 输入齿轮 (2) 、 行星 轮组及输出内齿圈 (3) , 支撑壳体 (1) 固定设置有固接内齿圈 (4 ) , 其特征在于: 所述行星轮组包括主行星齿轮 (5) 及与主行星齿 轮 (5) 同轴固定连接的副行星齿轮 (6) , 主行星齿轮 (5) 同吋与 所述输入齿轮 (2) 和固接内齿圈 (4) 啮合, 副行星齿轮 (6) 与所 述输出内齿圈 (3) 啮合, 输出内齿圈 (3) 的分度圆直径大于或小于 固接内齿圈 (4) 的分度圆直径。
根据权利要求 1所述的分度圆差减速装置, 其特征在于: 所述主行星 齿轮 (5) 和副行星齿轮 (6) 的数量均为一个。
根据权利要求 1所述的分度圆差减速装置, 其特征在于: 所述行星轮 组包括行星支架 (7) 、 两个以上的主行星齿轮 (5) 及与主行星齿轮
(5) 一一对应连接的副行星齿轮 (6) , 两个以上的主行星齿轮 (5 ) 环形均布于行星支架 (7) 。
根据权利要求 3所述的分度圆差减速装置, 其特征在于: 所述行星支 架 (7) 包括两个单边支架 (8) 及与主行星齿轮 (5) 数量相等的销 轴 (9) , 主行星齿轮 (5) 和副行星齿轮 (6) 固定连接后位于两个 单边支架 (8) 之间, 销轴 (9) 穿过主行星齿轮 (5) 和副行星齿轮
(6) 之后两端分别与两个单边支架 (8) 固定。
根据权利要求 1所述的分度圆差减速装置, 其特征在于: 所述支撑壳 体 (1) 与输出内齿圈 (3) 之间通过轴承 (10) 连接。
根据权利要求 5所述的分度圆差减速装置, 其特征在于: 所述支撑壳 体 (1) 与轴承 (10) 的外圈过盈配合连接, 输出内齿圈 (3) 与轴承
( 10) 的内圈过盈配合连接。
根据权利要求 1所述的分度圆差减速装置, 其特征在于: 所述输出内 齿圈 (3) 连接有输出盖体 (11) 。
根据权利要求 4所述的分度圆差减速装置, 其特征在于: 所述输入齿 轮 (2) 连接有输入轴 (12) , 主行星齿轮 (5) 和副行星齿轮 (6) 均为直齿圆柱齿轮或斜齿圆柱齿轮, 销轴 (9) 与主行星齿轮 (5) 和 副行星齿轮 (6) 之间装设有轴承。
[权利要求 9] 根据权利要求 1所述的分度圆差减速装置, 其特征在于: 所述主行星 齿轮 (5) 和副行星齿轮 (6) 通过螺钉 (13) 固定连接。
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