WO2020107983A1 - 摆线轮及减速机 - Google Patents

摆线轮及减速机 Download PDF

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Publication number
WO2020107983A1
WO2020107983A1 PCT/CN2019/103970 CN2019103970W WO2020107983A1 WO 2020107983 A1 WO2020107983 A1 WO 2020107983A1 CN 2019103970 W CN2019103970 W CN 2019103970W WO 2020107983 A1 WO2020107983 A1 WO 2020107983A1
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WIPO (PCT)
Prior art keywords
oil
cycloid wheel
oil passage
cycloid
hole
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.)
Ceased
Application number
PCT/CN2019/103970
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English (en)
French (fr)
Inventor
郭霜
许甲岿
刘成
李婉
周丹
钟成堡
程中甫
孙豹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to JP2021521770A priority Critical patent/JP7203966B2/ja
Publication of WO2020107983A1 publication Critical patent/WO2020107983A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • F16H57/0431—Means for guiding lubricant directly onto a tooth surface or to foot areas of a gear, e.g. by holes or grooves in a tooth flank
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor

Definitions

  • the present application relates to the field of reducers, and in particular, to a cycloid wheel and reducer.
  • RV reducer is one of the core components of robot transmission. Compared with other deceleration methods, RV reducers have the advantages of large reduction ratio, coaxial transmission, high transmission accuracy, high rigidity, and compact structure. They are widely used in electronics, aerospace, robotics and other industries.
  • the structure of RV reducer is complicated, including cycloid wheel, crank shaft, pin gear shell, planet carrier and rigid disc. The cycloid wheel is an important part of the RV reducer.
  • the commonly used robot RV reducer uses two cycloid wheels, which are used in pairs. At both ends of each cycloid wheel, one side is in contact with the end surface of the other cycloid wheel, and the other side is in contact with the end surface of the outer ring of the main bearing. There is a phase difference, and the cycloid wheel is doing eccentric motion, so each pair of two end surfaces that are in contact with each other will slip between each other.
  • lubricant will be sealed into the housing.
  • the lubricant will move in the housing, so that the lubricant will be spread all over the pendulum Between all teeth of the reel. Because the gap between the end surface of the cycloid wheel and the end surface of the outer ring of the main bearing, and the end surfaces of the two cycloid wheels that are in contact with each other are very small.
  • the lubricant When relative motion occurs, the lubricant will be squeezed out, so that the dry friction between the end surfaces that are in contact with each other will increase the wear speed of the end surface of the cycloid wheel, and ultimately reduce the transmission accuracy and service life of the cycloid wheel .
  • the present application provides a cycloid wheel and a reducer, which aims to improve the problem of greater wear on the end surface of the cycloid wheel when the reducer is in operation.
  • a cycloid wheel includes a cycloid wheel body, a groove, a first oil passage and a second oil passage are provided on an end surface of the cycloid wheel body, the first oil passage is arranged around the groove, Both ends of the second oil passage communicate with the first oil passage and the groove, respectively.
  • both ends of the cycloid body are provided with the groove, the first oil path and the second oil path, and the two ends of the cycloid body
  • the groove, the first oil passage, and the second oil passage are all directly opposite.
  • the cycloid wheel body is further provided with an oil-through hole, the oil-through hole penetrates both end surfaces of the cycloid wheel body, and the oil-through hole and the cycloid wheel body are both The first oil passages on the end faces all intersect.
  • both ends of the second oil passage communicate with the oil through hole and the groove, respectively.
  • the cycloid body is provided with an eccentric shaft hole penetrating through both ends of the cycloid body, the eccentric shaft hole is located in the groove, and the second oil passage is away from the One end of the oil through hole communicates with the eccentric shaft hole.
  • the two eccentric shaft holes are symmetrical about the axis of the cycloid body, and the number of the oil through holes is the same as the number of the eccentric shaft holes ,
  • the two eccentric shaft holes are on the same straight line as the center of the two oil through holes, and the two oil through holes are symmetrical about the axis of the cycloidal body revolution.
  • the second oil passage extends in the radial direction of the cycloid body.
  • the first oil passage is in a circular ring shape, and the first oil passage is centered on the revolution axis of the cycloid wheel.
  • the eccentric amount of the cycloid body during revolution is e, and the diameter of the oil passage hole is greater than 4e.
  • the minimum distance of each of the oil through holes from the outer contour of the cycloid body is less than 4e.
  • the gerotor body is further provided with a plurality of upright holes, the upright holes penetrate the two end surfaces of the gerotor body, at least one of the upright holes and the two end surfaces of the gerotor body The first oil circuit on the intersection intersects.
  • a speed reducer comprising the cycloid wheel according to any one of the above.
  • the beneficial effect of this application is that the cycloid wheel obtained by the above design in this application has grooves on the end face of the cycloid wheel body, so when installed in the reducer, the end face of the cycloid wheel body actually contacts with other parts
  • the part is the end face that surrounds the groove.
  • a first oil passage and a second oil passage are provided on the end surface around the groove; wherein, the first oil passage is arranged around the groove, that is, on the end surface around the groove; the second oil passage divides the groove Communicate with the first oil passage. Due to the existence of the groove, lubricant is stored in the groove, and the second oil passage can drain the lubricant in the groove into the first oil passage.
  • the lubricant in the first oil passage can lubricate the end face of the cycloid wheel body and the end face of the parts in contact with it, preventing the end face of the cycloid wheel body from contacting Dry grinding occurs between components to reduce wear on the end face of the gerotor body.
  • FIG. 1 is a schematic structural diagram of a cycloid wheel provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a reducer provided by an embodiment of the present application.
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.
  • the terms “installation”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, it can be the connection between two components or the interaction between two components.
  • installation can be a fixed connection or a detachable connection , Or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, it can be the connection between two components or the interaction between two components.
  • the first feature is “above” or “below” the second feature and may include the first and second features being in direct contact, and may also include the first and second features Contact not directly but through another feature between them.
  • the first feature is “above”, “above” and “above” the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontal than the second feature.
  • Embodiment 1 provides a cycloid wheel including: a cycloid wheel body 1, a groove 5, a first oil passage 2 and a
  • the second oil passage 3 and the first oil passage 2 are arranged around the groove 5, and both ends of the second oil passage 3 communicate with the first oil passage 2 and the groove 5 respectively.
  • the groove 5 is embodied as a circular groove 5 centered on the axis of the cycloid wheel, and the first oil passage 2 and the second oil passage 3 are both embodied as a groove-like structure with an open upper end. That is to say, the openings of the first oil passage 2 and the second oil passage 3 are on the end surface of the cycloid body 1.
  • the cycloid wheel provided in this embodiment is provided with a groove 5 on the end surface of the cycloid body 1, so when installed in the reducer, the part of the cycloid body 1 that actually contacts the other end is surrounded by the concave The end face around the groove 5.
  • a first oil passage 2 and a second oil passage 3 are provided on the end surface around the groove 5; wherein, the first oil passage 2 is provided around the groove 5, that is, on the end surface around the groove 5;
  • the second oil passage 3 communicates the groove 5 and the first oil passage 2 with each other.
  • the second oil passage 3 can drain the lubricant in the groove 5 into the first oil passage 2, because the first oil passage 2 is disposed in the groove 5
  • the lubricant in the first oil passage 2 can lubricate between the end face of the cycloid body 1 and the end face of the parts in contact with it to prevent The occurrence of dry grinding between the end surface of the cycloid body 1 and the parts at the junction occurs, reducing wear on the end surface of the cycloid body 1.
  • both ends of the cycloid body 1 are provided with grooves 5, a first oil passage 2 and a second oil passage 3, and the grooves 5 on both ends of the cycloid body 1 , The first oil passage 2 and the second oil passage 3 are set directly opposite.
  • both end faces of the cycloid body 1 are provided with grooves 5, ⁇ 2 ⁇ 3 ⁇ One oil way 2 and the second oil way 3.
  • the end surface of the cycloid body 1 that contacts the adjacent cycloid wheel and the end surface that contacts the main bearing 8 can be lubricated with lubricant, thereby reducing the amount of Wear of the body 1.
  • the cycloid body 1 is further provided with an oil hole 4, the oil hole 4 penetrates the two ends of the cycloid body 1, and the oil hole 4 and the two sides of the cycloid body 1
  • the first oil circuit 2 all intersects.
  • the oil hole 4 can connect the two first oil passages 2 on both ends of the cycloid wheel body 1 to form a radial channel. Since the reducer may be placed at various angles in actual application, the cycloid The wheel body 1 is not necessarily horizontal. When the cycloid wheel body 1 is inclined, the lubricant may cause uneven position distribution under the action of gravity, so that the amount of lubricant on the two ends of the cycloid wheel body 1 is different.
  • both ends of the second oil passage 3 communicate with the oil through hole 4 and the groove 5 respectively.
  • the oil passage 4 is provided at the connection between the first oil passage 2 and the second oil passage 3, and can connect the first oil passage 2 and the second oil passage 3 on both end surfaces of the cycloid body 1.
  • the radial channel has a better drainage effect on the lubricant, so that the lubricant in the grooves 5 on the two end surfaces can also circulate through the second oil passage 3 and the oil through hole 4 to further enhance the circulation of the lubricant.
  • the cycloid body 1 is provided with an eccentric shaft hole 6 penetrating through both ends of the cycloid body 1, the eccentric shaft hole 6 is located in the groove 5, and the second oil passage 3 is away from the oil hole One end of 4 is connected to the eccentric shaft hole 6.
  • the second oil passage 3 extends along the radial direction of the cycloid body 1.
  • the cycloid body 1 is provided with an eccentric shaft hole 6 for mounting the eccentric shaft 9. Since most of the reducers need to be provided with two eccentric shafts 9, in the present embodiment, two eccentric shafts are provided on the cycloid body 1 Hole 6. Since lubricant also exists between the inner side wall of the eccentric shaft hole 6 and the outer peripheral surface of the eccentric shaft 9, when the end of the second oil passage 3 away from the first oil passage 2 communicates with the eccentric shaft hole 6, the second oil passage 3 also The lubricant in the eccentric shaft hole 6 can be drained into the first oil passage 2, so that the lubricant in the first oil passage 2 is more sufficient, and the lubrication effect on the end surface of the cycloid body 1 is better.
  • each eccentric shaft hole 6 is correspondingly provided with an oil through hole 4 and a second oil passage 3, and the second oil passage 3 extends along the radial direction of the cycloid body 1, and the two eccentric shafts
  • the hole 6 and the two oil through holes 4 are on the same straight line, so that when the eccentric wheel body 1 rotates eccentrically, the lubricant can better flow from the second oil passage 3 to the oil through hole under the action of inertia Within 4, the circulation effect of lubricant is better.
  • the depth of the second oil passage 3 is greater than the depth of the groove 5, which is specifically embodied in that a part of the second oil passage 3 in the groove 5 is on the ground of the groove 5 Up and down.
  • the first oil passage 2 has a circular ring shape, and the first oil passage 2 is centered on the revolution axis of the cycloid wheel . Even though the cycloid body 1 is eccentric when it is working, the movement trajectory is still circular. Setting the first oil passage 2 into a circular ring can make the lubricant better in the first oil under the action of inertia Circulate on Road 2.
  • the first oil passage 2 may also be provided in other shapes, such as a polygon.
  • the cycloid body 1 is further provided with a plurality of column holes 7.
  • the column holes 7 penetrate through the two end surfaces of the cycloid body 1, and at least one column hole 7 and the two sides of the cycloid body 1
  • the first oil circuit 2 intersects.
  • lubricant is also present in the column hole 7.
  • the column hole 7 intersects the first oil passage 2, which can circulate the lubricant in the column hole 7 into the first oil passage 2, so that the first oil passage 2
  • the lubricant inside is more abundant, and the lubrication effect on the end face of the cycloid body 1 is better.
  • the eccentric amount of the cycloid body 1 during revolution is e, and the diameter of the oil-through hole 4 is greater than 4e.
  • the minimum distance of each oil hole 4 from the outer contour of the gerotor body 1 is less than 4e.
  • the two eccentric wheel bodies are gradually offset by a certain distance due to relative sliding.
  • the offset distance is the largest, which is 4e.
  • the diameter of the oil through hole 4 is greater than 4e, so even when the distance between the two eccentric wheel bodies is the largest, the oil through holes 4 on the two eccentric wheel bodies still partially overlap, making the two through holes The oil holes 4 maintain communication, so that the lubricant can normally flow between the two oil through holes 4.
  • the maximum distance between the two cycloidal bodies 1 to move to each other is 4e.
  • the minimum distance between each oil hole 4 and the outer contour of the cycloidal body 1 is less than 4e.
  • the oil hole 4 When the mutual movement distance of the cycloid body 1 is greater than the distance between the oil hole 4 and the outer contour of the cycloid body 1, the oil hole 4 is no longer completely blocked by the end surface of the other cycloid body 1, so that the oil hole 4 It can communicate with the space outside the outer peripheral surface of the gerotor body 1, so that the oil through hole 4 can also guide the lubricant in this space to the first oil passage 2, and improve the lubrication of the end surface of the gerotor body effect.
  • an embodiment of the present application further provides a speed reducer, and the speed reducer includes the cycloid wheel of any of the foregoing embodiments.
  • the reducer provided by the embodiment of the present application may be an RV reducer.

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Abstract

一种摆线轮及减速机，涉及减速机技术领域。摆线轮包括：摆线轮本体（1），所述摆线轮本体（1）的端面上设有凹槽（5）、第一油路（2）和第二油路（3），所述第一油路（2）环绕所述凹槽（5）设置，所述第二油路（3）的两端分别与所述第一油路（2）和所述凹槽（5）连通。由于凹槽（5）的存在，凹槽（5）内会储存有润滑剂，第二油路（3）能够将凹槽（5）内的润滑剂引流进第一油路（2）上，由于第一油路（2）设置在凹槽（5）周围的端面上，当润滑剂充满第一油路（2）后，第一油路（2）中的润滑剂能够对摆线轮本体（1）的端面和与其接触的零部件端面之间起到润滑作用，防止摆线轮本体（1）的端面与相接处的部件之间发生干磨的情况发生，降低对摆线轮本体（1）端面的磨损。

Description

摆线轮及减速机
相关申请
本申请要求2018年11月26日申请的，申请号为201811418923.3，名称为“一种摆线轮及减速机”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及减速机领域，具体而言，涉及一种摆线轮及减速机。
背景技术
RV减速机是机器人传动的核心部件之一。与其它减速方式相比，RV减速机具有减速比大、同轴线传动、传动精度高、刚度大、结构紧凑等优点，广泛应用于电子、航空航天、机器人等行业。RV减速机结构复杂，包括摆线轮、曲柄轴、针齿壳、行星架和刚性盘等组成。其中摆线轮是RV减速机的重要组成部分。
基于RV减速机的摆线针轮传动的特点，为了保证受力均匀、传动平稳，常用的机器人RV减速机采用两片摆线轮，配对使用。每一摆线轮的两端面，一面与另一摆线轮的端面抵接，另一面与主轴承外圈的端面抵接，且在RV减速机运行时，由于两个摆线轮的初始位置存在相位差，且摆线轮是在做偏心运动，故而每一对互相抵接的两个端面之间都会发生相互滑动。
RV减速机中为降低内部零部件之间的磨损，会向壳体内封入润滑剂，针齿和摆线轮之间作相对转动时，润滑剂随之在壳体内移动，这样，润滑剂会遍布摆线轮的所有齿间。由于摆线轮端面与主轴承外圈端面之间、两摆线轮相互抵接的端面之间的间隙非常小。在发生相对运动时，会将润滑剂挤出，从而使相互抵接的端面之间发生干磨擦的情况，使摆线轮端面的磨损速度提升，最终导致摆线轮的传动精度和使用寿命降低。
发明内容
本申请提供了一种摆线轮及减速机，旨在改善减速机运行时对摆线轮端面的磨损较大的问题。
本申请是这样实现的：
一种摆线轮，包括：摆线轮本体，所述摆线轮本体的端面上设有凹槽、第一油路和第 二油路，所述第一油路环绕所述凹槽设置，所述第二油路的两端分别与所述第一油路和所述凹槽连通。
在其中一个实施例中，所述摆线轮本体的两端面均设有所述凹槽、所述第一油路和所述第二油路，且所述摆线轮本体的两端面上的所述凹槽、所述第一油路和所述第二油路均正对设置。
在其中一个实施例中，所述摆线轮本体上还设有通油孔，所述通油孔贯穿所述摆线轮本体两端面，且所述通油孔与所述摆线轮本体两端面上的第一油路均相交。
在其中一个实施例中，所述第二油路的两端分别与所述通油孔和所述凹槽连通。
在其中一个实施例中，所述摆线轮本体上设有贯穿所述摆线轮本体两端面的偏心轴孔，所述偏心轴孔位于所述凹槽内，所述第二油路远离所述通油孔的一端，连通至所述偏心轴孔。
在其中一个实施例中，所述偏心轴孔为两个，两个所述偏心轴孔关于所述摆线轮本体的轴线对称，所述通油孔的数量与所述偏心轴孔的数量相同，两个所述偏心轴孔与两个所述通油孔的圆心在同一直线上，且两个所述通油孔关于所述摆线轮本体公转的轴线对称。
在其中一个实施例中，所述第二油路沿所述摆线轮本体的径向延伸。
在其中一个实施例中，所述第一油路呈圆环形，所述第一油路以所述摆线轮的公转轴为圆心。
在其中一个实施例中，所述摆线轮本体公转时的偏心量为e，所述通油孔的直径大于4e。
在其中一个实施例中，在所述摆线轮本体的径向上，每一所述通油孔距离所述摆线轮本体的外轮廓的最小距离小于4e。
在其中一个实施例中，所述摆线轮本体上还设有若干立柱孔，所述立柱孔贯穿所述摆线轮本体两端面，至少一个所述立柱孔与所述摆线轮本体两端面上的第一油路相交。
一种减速机，所述减速机包括上述任一项所述的摆线轮。
本申请的有益效果是：本申请通过上述设计得到的摆线轮，由于摆线轮本体的端面上设有凹槽，故而当安装在减速机内后，摆线轮本体端面与其他零件实际接触的部分是环绕在凹槽周围的端面。同时，在凹槽周围的端面上设有第一油路和第二油路；其中，第一油路环绕凹槽设置，也就是设置在凹槽周围的端面上；第二油路将凹槽与第一油路相互连通。由于凹槽的存在，凹槽内会储存有润滑剂，第二油路能够将凹槽内的润滑剂引流进第一油路上，由于第一油路设置在凹槽周围的端面上，当润滑剂充满第一油路后，第一油路中的润滑剂能够对摆线轮本体的端面和与其接触的零部件端面之间起到润滑作用，防止摆线轮 本体的端面与相接处的部件之间发生干磨的情况发生，降低对摆线轮本体端面的磨损。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。
图1是本申请一实施例提供的一种摆线轮的结构示意图；
图2是本申请一实施例提供的一种减速机的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下” 可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
实施例1，请参照图1所示，本实施例提供一种摆线轮，包括：摆线轮本体1，摆线轮本体1的端面上设有凹槽5、第一油路2和第二油路3，第一油路2环绕凹槽5设置，第二油路3的两端分别与第一油路2和凹槽5连通。凹槽5体现为以摆线轮轴心为圆心的圆形凹槽5，第一油路2和第二油路3均体现为上端开口的槽状结构。也就是说第一油路2和第二油路3的开口处于摆线轮本体1的端面上。
本实施例提供的摆线轮，由于摆线轮本体1的端面上设有凹槽5，故而当安装在减速机内后，摆线轮本体1端面与其他零件实际接触的部分是环绕在凹槽5周围的端面。同时，在凹槽5周围的端面上设有第一油路2和第二油路3；其中，第一油路2环绕凹槽5设置，也就是设置在凹槽5周围的端面上；第二油路3将凹槽5与第一油路2相互连通。由于凹槽5的存在，凹槽5内会储存有润滑剂，第二油路3能够将凹槽5内的润滑剂引流进第一油路2上，由于第一油路2设置在凹槽5周围的端面上，当润滑剂充满第一油路2后，第一油路2中的润滑剂能够对摆线轮本体1的端面和与其接触的零部件端面之间起到润滑作用，防止摆线轮本体1的端面与相接处的部件之间发生干磨的情况发生，降低对摆线轮本体1端面的磨损。
进一步地，在一实施例中，摆线轮本体1的两端面均设有凹槽5、第一油路2和第二油路3，且摆线轮本体1的两端面上的凹槽5、第一油路2和第二油路3均正对设置。由于在实际应用时，摆线轮本体1的两个端面均会与和其接触的工件发生相互滑动，故而本实施例中，摆线轮本体1的两个端面均设有凹槽5、第一油路2和第二油路3。如此当摆线轮本体1设置在减速机内后，摆线轮本体1与相邻摆线轮接触的端面以及与主轴承8接触的端面均能被润滑剂润滑，从而减小对摆线轮本体1的磨损。
进一步地，在一实施例中，摆线轮本体1上还设有通油孔4，通油孔4贯穿摆线轮本体1两端面，且通油孔4与摆线轮本体1两端面上的第一油路2均相交。通油孔4能够将摆线轮本体1两端面上的两个第一油路2相连通，形成径向通道，由于减速机在实际应用时，可能被摆放为各种角度，故而摆线轮本体1不一定是处于水平状态，让摆线轮本体1处于倾斜状态时，润滑剂在重力的作用下可能会导致位置分布不均匀，使摆线轮本体1两端面的润滑剂的量不同，当润滑剂的量过少时，会对润滑效果造成影响。本实施例通过设 置通油孔4，形成连通两端面上第一油路2的径向通道，使两个第一油路2内的润滑剂能够相互流通，防止出现某一端面的第一油路2内的润滑剂过少的情况。
进一步地，在一实施例中，第二油路3的两端分别与通油孔4和凹槽5连通。具体体现为通油孔4设置在第一油路2和第二油路3的连接处，能够将摆线轮本体1两个端面上的第一油路2和第二油路3均连通，使径向通道对润滑剂的引流效果更佳，使两个端面的凹槽5内的润滑剂也能通过第二油路3和通油孔4相互流通，进一步加强润滑剂的流通性。
进一步地，在一实施例中，摆线轮本体1上设有贯穿摆线轮本体1两端面的偏心轴孔6，偏心轴孔6位于凹槽5内，第二油路3远离通油孔4的一端，连通至偏心轴孔6。偏心轴孔6为两个，两个偏心轴孔6关于摆线轮本体1的轴线对称，通油孔4的数量与偏心轴孔6的数量相同，两个偏心轴孔6与两个通油孔4的圆心在同一直线上，且两个通油孔4关于摆线轮本体1公转的轴线对称，第二油路3沿摆线轮本体1的径向延伸。
摆线轮本体1上设有用于安装偏心轴9的偏心轴孔6，由于大多减速机内都是需要设置两个偏心轴9，故而本实施例中摆线轮本体1上设置两个偏心轴孔6。由于偏心轴孔6的内侧壁和偏心轴9的外周面之间也有润滑剂存在，当第二油路3远离第一油路2的一端连通至偏心轴孔6时，第二油路3也能够将偏心轴孔6内的润滑剂引流至第一油路2内，使第一油路2内的润滑剂更充足，对摆线轮本体1端面的润滑效果更佳。且本实施例中，每一偏心轴孔6都对应设置有一个通油孔4和第二油路3，而且第二油路3沿摆线轮本体1的径向延伸，且两个偏心轴孔6和两个通油孔4处在同一直线上，如此设置，在摆线轮本体1偏心转动时，润滑剂能够在惯性的作用下更好的从第二油路3流动至通油孔4内，使润滑剂的流通效果更好。同时为了使第二油路3的引流效果更佳，第二油路3的深度大于凹槽5的深度，具体体现为，第二油路3在凹槽5内的一部分处于凹槽5的地面上，且向下凹陷。
进一步地，为了使润滑剂能够在第一油路2内流通的更加顺畅，在一实施例中，第一油路2呈圆环形，第一油路2以摆线轮的公转轴为圆心。即使摆线轮本体1工作时是做偏心运动，但运动轨迹还是呈圆形的，将第一油路2设置成圆环形，能够使润滑剂在惯性的作用下更好的在第一油路2内流通。在其他实施例中，第一油路2也可设置为其他形状，如多边形等。
进一步地，在一实施例中，摆线轮本体1上还设有若干立柱孔7，立柱孔7贯穿摆线轮本体1两端面，至少一个立柱孔7与摆线轮本体1两端面上的第一油路2相交。在实际应用时，立柱孔7内也是存在润滑剂的，立柱孔7与第一油路2相交，能够使立柱孔7内的润滑剂流通至第一油路2内，使第一油路2内的润滑剂更加充足，对摆线轮本体1端面 的润滑效果更佳。
进一步地，在一实施例中，摆线轮本体1公转时的偏心量为e，通油孔4的直径大于4e。在摆线轮本体1的径向上，每一通油孔4距离摆线轮本体1的外轮廓的最小距离小于4e。当两个偏心轮本体配对使用时，两个偏心轮本体会随偏心轴9转动到不同角度，而发生一定的相对滑动。具体的，当偏心轴9转动0°时，两个偏心轮本体完全重合，相应的两个偏心轮本体上设置的通油孔4也是完全重合的，也就是两个通油孔4的相互连通的，润滑剂能够顺畅的在两个通油孔4间流动。当偏心轴9从0°转动至180°的过程中，两个偏心轮本体之间因发生相对滑动而逐渐错开一定的距离，当转动至180°时，错开的距离最大，为4e。本实施例中，通油孔4的直径大于4e，故而即使在两个偏心轮本体错开的距离最大时，两个偏心轮本体上的通油孔4依然有一部分是重合的，使两个通油孔4保持连通，使润滑剂能够正常在两个通油孔4间流动。由上述内容可知，两个摆线轮本体1相互运动的最大距离是4e，而本实施例中，每一通油孔4距离摆线轮本体1的外轮廓的最小距离小于4e，所以在两个摆线轮本体1相互运动距离大于通油孔4距离摆线轮本体1的外轮廓的距离时，通油孔4不再被另一摆线轮本体1的端面完全遮挡，使通油孔4能够和摆线轮本体1的外周面外的空间连通，从而使通油孔4能够将这个空间内的润滑剂也导流至第一油路2内，提升对摆线轮本体1端面的润滑效果。
请参照图2所示，本申请实施例还提供一种减速机，减速机包括上述任一实施例的摆线轮。具体的，本申请实施例提供的减速机可以为RV减速机。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (12)

  1. 一种摆线轮，其特征在于，包括：摆线轮本体，所述摆线轮本体的端面上设有凹槽、第一油路和第二油路，所述第一油路环绕所述凹槽设置，所述第二油路的两端分别与所述第一油路和所述凹槽连通。
  2. 根据权利要求1所述的摆线轮，其特征在于，所述摆线轮本体的两端面均设有所述凹槽、所述第一油路和所述第二油路，且所述摆线轮本体的两端面上的所述凹槽、所述第一油路和所述第二油路均正对设置。
  3. 根据权利要求2所述的摆线轮，其特征在于，所述摆线轮本体上还设有通油孔，所述通油孔贯穿所述摆线轮本体两端面，且所述通油孔与所述摆线轮本体两端面上的第一油路均相交。
  4. 根据权利要求3所述的摆线轮，其特征在于，所述第二油路的两端分别与所述通油孔和所述凹槽连通。
  5. 根据权利要求4所述的摆线轮，其特征在于，所述摆线轮本体上设有贯穿所述摆线轮本体两端面的偏心轴孔，所述偏心轴孔位于所述凹槽内，所述第二油路远离所述通油孔的一端，连通至所述偏心轴孔。
  6. 根据权利要求5所述的摆线轮，其特征在于，所述偏心轴孔为两个，两个所述偏心轴孔关于所述摆线轮本体的轴线对称，所述通油孔的数量与所述偏心轴孔的数量相同，两个所述偏心轴孔与两个所述通油孔的圆心在同一直线上，且两个所述通油孔关于所述摆线轮本体公转的轴线对称。
  7. 根据权利要求6所述的摆线轮，其特征在于，所述第二油路沿所述摆线轮本体的径向延伸。
  8. 根据权利要求6所述的摆线轮，其特征在于，所述第一油路呈圆环形，所述第一油路以所述摆线轮的公转轴为圆心。
  9. 根据权利要求6所述的摆线轮，其特征在于，所述摆线轮本体公转时的偏心量为e，所述通油孔的直径大于4e。
  10. 根据权利要求9所述的摆线轮，其特征在于，在所述摆线轮本体的径向上，每一所述通油孔距离所述摆线轮本体的外轮廓的最小距离小于4e。
  11. 根据权利要求3所述的摆线轮，其特征在于，所述摆线轮本体上还设有若干立柱孔，所述立柱孔贯穿所述摆线轮本体两端面，至少一个所述立柱孔与所述摆线轮本体两端面上的第一油路相交。
  12. 一种减速机，其特征在于，所述减速机包括权利要求1-11任一项所述的摆线轮。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113700802A (zh) * 2021-08-16 2021-11-26 珠海格力电器股份有限公司 一种曲柄组件、减速器和机器人
JP2022127928A (ja) * 2021-02-22 2022-09-01 株式会社ニッセイ 差動減速機

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109404497B (zh) * 2018-11-26 2024-07-05 珠海格力电器股份有限公司 一种摆线轮及减速机
CN115681417A (zh) * 2022-11-14 2023-02-03 珠海格力电器股份有限公司 Rv减速器、工业机器人

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624344A (en) * 1995-05-01 1997-04-29 Zexel Torsen Inc. Lubrication system for a parallel-axis differential
JP2009257494A (ja) * 2008-04-17 2009-11-05 Ntn Corp モータ駆動装置およびインホイールモータ駆動装置
CN202937400U (zh) * 2012-10-17 2013-05-15 徐州市峰利液压机械有限公司 高效非圆齿轮液压马达
CN203098817U (zh) * 2013-03-21 2013-07-31 瑞安市车辆配件厂 半轴齿轮止推垫片
CN203656150U (zh) * 2014-01-08 2014-06-18 杭州速力机电设备有限公司 一种多轴器润滑结构
CN204403322U (zh) * 2014-12-30 2015-06-17 广西玉柴机器股份有限公司 一种发动机惰齿轮
CN206054175U (zh) * 2016-08-30 2017-03-29 宁波中意液压马达有限公司 一种摆线液压马达的配油盘
CN106594234A (zh) * 2015-10-19 2017-04-26 南通市成生齿轮厂 一种具有较长寿命的齿轮
TWM548755U (zh) * 2017-05-24 2017-09-11 Li Ming Machinery Co Ltd 具有軸承潤滑結構的擺線齒輪減速機
CN109404497A (zh) * 2018-11-26 2019-03-01 珠海格力电器股份有限公司 一种摆线轮及减速机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407245A1 (de) * 1984-02-28 1985-08-29 Armin 5970 Plettenberg Mylaeus Zykloidengetriebe
JP5158861B2 (ja) * 2008-03-11 2013-03-06 Ｎｔｎ株式会社 インホイールモータ駆動装置
JP2010169247A (ja) * 2008-12-26 2010-08-05 Ntn Corp 鉄道車両駆動ユニット
JP2014185744A (ja) * 2013-03-25 2014-10-02 Jtekt Corp 歯車装置
US9657813B2 (en) * 2014-06-06 2017-05-23 Delbert Tesar Modified parallel eccentric rotary actuator
CN204267663U (zh) * 2014-10-31 2015-04-15 重庆康田齿轮有限公司 变速箱倒挡被动齿轮
JP6613437B2 (ja) * 2015-09-02 2019-12-04 日本トムソン株式会社 減速機
CN108161377B (zh) * 2016-12-27 2019-06-11 银川威力传动技术股份有限公司 一种摆线轮的超精加工方法
CN109139861A (zh) * 2018-09-19 2019-01-04 珠海格力电器股份有限公司 摆线轮、减速器以及机器人
CN209414520U (zh) * 2018-11-26 2019-09-20 珠海格力电器股份有限公司 一种摆线轮及减速机

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624344A (en) * 1995-05-01 1997-04-29 Zexel Torsen Inc. Lubrication system for a parallel-axis differential
JP2009257494A (ja) * 2008-04-17 2009-11-05 Ntn Corp モータ駆動装置およびインホイールモータ駆動装置
CN202937400U (zh) * 2012-10-17 2013-05-15 徐州市峰利液压机械有限公司 高效非圆齿轮液压马达
CN203098817U (zh) * 2013-03-21 2013-07-31 瑞安市车辆配件厂 半轴齿轮止推垫片
CN203656150U (zh) * 2014-01-08 2014-06-18 杭州速力机电设备有限公司 一种多轴器润滑结构
CN204403322U (zh) * 2014-12-30 2015-06-17 广西玉柴机器股份有限公司 一种发动机惰齿轮
CN106594234A (zh) * 2015-10-19 2017-04-26 南通市成生齿轮厂 一种具有较长寿命的齿轮
CN206054175U (zh) * 2016-08-30 2017-03-29 宁波中意液压马达有限公司 一种摆线液压马达的配油盘
TWM548755U (zh) * 2017-05-24 2017-09-11 Li Ming Machinery Co Ltd 具有軸承潤滑結構的擺線齒輪減速機
CN109404497A (zh) * 2018-11-26 2019-03-01 珠海格力电器股份有限公司 一种摆线轮及减速机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022127928A (ja) * 2021-02-22 2022-09-01 株式会社ニッセイ 差動減速機
CN113700802A (zh) * 2021-08-16 2021-11-26 珠海格力电器股份有限公司 一种曲柄组件、减速器和机器人

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