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CN201277153Y - Planet lubrication oil supply unit for wind turbine gearbox - Google Patents

Planet lubrication oil supply unit for wind turbine gearbox Download PDF

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Publication number
CN201277153Y
CN201277153Y CNU2008201003435U CN200820100343U CN201277153Y CN 201277153 Y CN201277153 Y CN 201277153Y CN U2008201003435 U CNU2008201003435 U CN U2008201003435U CN 200820100343 U CN200820100343 U CN 200820100343U CN 201277153 Y CN201277153 Y CN 201277153Y
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Prior art keywords
planetary
oil supply
oil
planet carrier
gear
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Expired - Fee Related
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CNU2008201003435U
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Chinese (zh)
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刘波
曹云
黄永平
王雄厚
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Chongqing Gearbox Co Ltd
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Chongqing Gearbox Co Ltd
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Priority to CNU2008201003435U priority Critical patent/CN201277153Y/en
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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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0479—Gears or bearings on planet carriers
    • 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
    • F16H57/082—Planet carriers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

本实用新型是一种风电齿轮箱行星润滑供油装置，主要包括箱体(12)，其中行星架(4)通过轴承(6)安装在箱体(12)上，在行星架(4)上固定有行星轴(7)，在行星轴(7)的行星轴承(8)上固套有行星齿轮(9)，该行星齿轮(9)同时与太阳轮(3)、内齿圈(10)啮合。关键是：供油环(1)的伸长端至行星架(4)的输油孔中，供油环(1)通过供油套(2)与行星架(4)中的输油孔连接。行星架(4)上设置有两路输油孔，分别对行星轴承(8)、行星齿轮(9)、太阳轮(3)、内齿圈(10)进行强制润滑。本实用新型结构紧凑，装配方便，能有效利用行星架的旋转离心力作用使润滑更加可靠。

The utility model relates to a planetary lubricating oil supply device for a wind power gearbox, which mainly includes a box body (12), wherein a planet carrier (4) is installed on the box body (12) through a bearing (6), and on the planet carrier (4) The planetary shaft (7) is fixed, and the planetary gear (9) is fixedly sleeved on the planetary bearing (8) of the planetary shaft (7), and the planetary gear (9) is simultaneously connected with the sun gear (3) and the ring gear (10) engage. The key is: the extended end of the oil supply ring (1) is connected to the oil delivery hole of the planet carrier (4), and the oil supply ring (1) is connected to the oil delivery hole in the planet carrier (4) through the oil supply sleeve (2) . The planetary carrier (4) is provided with two oil delivery holes for forced lubrication of the planetary bearings (8), the planetary gears (9), the sun gear (3) and the inner ring gear (10) respectively. The utility model has the advantages of compact structure and convenient assembly, and can effectively utilize the rotating centrifugal force of the planet carrier to make the lubrication more reliable.

Description

风电齿轮箱行星润滑供油装置 Wind power gearbox planetary lubrication oil supply device

一、技术领域 1. Technical field

本实用新型涉及一种传动供油装置，尤其是一种用于风力发电的增速齿轮箱行星润滑供油装置。The utility model relates to a transmission oil supply device, in particular to a planetary lubricating oil supply device for a speed-increasing gearbox used for wind power generation.

二、背景技术 2. Background technology

目前国内的风力发电增速齿轮箱行星齿轮、轴承基本采用飞溅润滑或局部喷油润滑方式，无连续强制润油装置，飞溅润滑和局部喷油润滑两种方式的缺点是：行星内齿圈上半部和太阳轮齿面不能有效润滑，在转动时噪声大，齿轮之间的磨损也大，缩短产品使用寿命，增加发电成本。固定在行星轴上的行星轴承润滑进油困难，不能有效润滑行星轴承，运转时间长了，行星轴承因磨损变形，风电齿轮箱不能正常运转。只有更换行星轴承，会增加风电成本。如果有一个润滑供油装置，能对齿轴和轴承进行连续强制润滑，就解决了上述存在的问题。At present, the planetary gears and bearings of domestic wind power speed-up gearboxes basically adopt splash lubrication or partial oil injection lubrication, without continuous forced lubrication device. The disadvantages of the two methods of splash lubrication and partial oil injection lubrication are: The half part and the tooth surface of the sun gear cannot be effectively lubricated, the noise is large during rotation, and the wear between the gears is also large, which shortens the service life of the product and increases the cost of power generation. The planetary bearing fixed on the planetary shaft is difficult to lubricate and oil in, and the planetary bearing cannot be effectively lubricated. After a long operation time, the planetary bearing is deformed due to wear and tear, and the wind power gearbox cannot operate normally. Only the replacement of planetary bearings will increase the cost of wind power. If there is a lubricating oil supply device, which can carry out continuous forced lubrication to gear shaft and bearing, the above-mentioned problems of existence have just been solved.

三、实用新型内容 3. Contents of utility model

本实用新型的目的是提供一种风电齿轮箱行星润滑供油装置，解决目前齿轮和轴承在运转过程中有的部位得不到有效、连续的润滑问题。The purpose of the utility model is to provide a planetary lubricating oil supply device for a wind power gearbox, which solves the problem that some parts of gears and bearings cannot be effectively and continuously lubricated during operation.

本实用新型的具体方案是：主要包括供油环、供油套、太阳轮、行星架、喷头、轴承、行星轴、行星轴承、行星齿轮、内齿圈、接头、箱体。其中，行星架通过轴承安装在箱体上，行星架上固定有行星轴，在行星轴上固套有两个行星轴承。所述行星轴承上固套有行星齿轮，该行星齿轮同时与太阳轮上的齿轮和内齿圈啮合。关键是：固定在箱体上的供油环的伸长端至行星架的输油孔中，供油环通过供油套与行星架中的输油孔连接。行星架上的输油孔一路通至行星轴；另一路通至行星架的支撑臂上，该行星架支撑臂上的输油孔上设置有垂直于输油孔中心线的喷头。供油套固套在供油环的伸长端上，该供油套与行星架的输油孔为间隙配合。行星架的支撑臂上的输油孔上设置有三个垂直于输油孔中心线的喷头。供油环与箱体上的进油孔连接，该箱体的进油孔顶端有接头。The concrete scheme of the present utility model is: mainly comprise oil supply ring, oil supply sleeve, sun gear, planet carrier, shower head, bearing, planetary shaft, planetary bearing, planetary gear, ring gear, joint, casing. Wherein, the planetary carrier is installed on the box body through bearings, the planetary shaft is fixed on the planetary carrier, and two planetary bearings are fixedly sleeved on the planetary shaft. A planetary gear is sheathed on the planetary bearing, and the planetary gear meshes with the gear on the sun gear and the ring gear at the same time. The key is: the extended end of the oil supply ring fixed on the box body is inserted into the oil delivery hole of the planet carrier, and the oil supply ring is connected with the oil delivery hole in the planet carrier through the oil supply sleeve. One way of the oil delivery hole on the planet carrier leads to the planetary shaft; the other way leads to the support arm of the planet carrier, and the oil delivery hole on the planet carrier support arm is provided with a nozzle perpendicular to the center line of the oil delivery hole. The oil supply sleeve is fixedly sleeved on the extension end of the oil supply ring, and the oil supply sleeve is in clearance fit with the oil delivery hole of the planet carrier. Three nozzles perpendicular to the center line of the oil delivery hole are arranged on the oil delivery hole on the support arm of the planet carrier. The oil supply ring is connected with the oil inlet hole on the box body, and there is a joint at the top of the oil inlet hole of the box body.

本实用新型中将供油环固定于箱体上，避免了固定于行星架上由于供油环旋转产生的离心力阻碍润滑油的供给。In the utility model, the oil supply ring is fixed on the box body, which avoids the centrifugal force generated by the rotation of the oil supply ring fixed on the planetary carrier from hindering the supply of lubricating oil.

本实用新型中供油环与行星架之间相对运转，中间采用供油套过渡，供油套与供油环采用过盈连接，供油套与行星架之间采用小间隙配合，这样即能有效密封润滑油，也能解决由于制造加工误差造成的行星架与供油环之间的相对摩擦。In the utility model, the oil supply ring and the planetary frame are in relative rotation, and the oil supply sleeve is used for transition in the middle, the oil supply sleeve and the oil supply ring are connected by interference, and the oil supply sleeve and the planetary frame are matched with a small gap, so that the Effective sealing of lubricating oil can also solve the relative friction between the planet carrier and the oil supply ring caused by manufacturing and processing errors.

本实用新型中润滑油通过供油环，经行星架分流后通过行星轴和行星架支撑臂分别对太阳轮、内齿圈和行星轴承同时进行强制润滑。In the utility model, lubricating oil passes through the oil supply ring, and after being shunted by the planetary frame, the sun gear, the inner ring gear and the planetary bearing are forcedly lubricated respectively through the planetary shaft and the support arm of the planetary frame.

本实用新型中根据行星架的旋转特性，行星架上润滑通道的布置使得通道内的润滑油产生的离心力与油流方向一致，有利于润滑油的通过。In the utility model, according to the rotation characteristics of the planet carrier, the arrangement of the lubricating channel on the planet carrier makes the centrifugal force generated by the lubricating oil in the channel consistent with the oil flow direction, which is beneficial to the passage of the lubricating oil.

本实用新型结构采用从行星架后端进油方式，其空间结构紧凑、无需严格密封润滑油、装配方便，并能有效利用行星架的旋转离心力作用使润滑更加可靠。The structure of the utility model adopts the way of feeding oil from the rear end of the planetary frame, which has a compact space structure, does not need to strictly seal lubricating oil, is convenient to assemble, and can effectively utilize the rotating centrifugal force of the planetary frame to make the lubrication more reliable.

采用上述方案的优点是：结构紧凑，能持续、有效、稳定的给予行星齿轮、行星轴承、太阳轮和内齿圈提供润滑油，并能有效利用行星架的旋转离心力作用使润滑更加可靠。由于齿轮与齿轮之间以及行星轴承与齿轮之间得到了有效持续的润滑，减少了相互之间的磨损，延长了使用寿命，降低了噪声。The advantages of adopting the above scheme are: compact structure, continuous, effective and stable supply of lubricating oil to the planetary gears, planetary bearings, sun gears and ring gears, and effective use of the rotating centrifugal force of the planet carrier to make the lubrication more reliable. Due to the effective and continuous lubrication between the gears and between the planetary bearings and the gears, the mutual wear is reduced, the service life is prolonged, and the noise is reduced.

四、附图说明 4. Description of drawings

图1是本实用新型的结构示意图。Fig. 1 is a structural representation of the utility model.

五、具体实施方式 5. Specific implementation

从图1可知，本实用新型主要包括供油环1、供油套2、太阳轮3、行星架4、喷头5、轴承6、行星轴7、行星轴承8、行星齿轮9、内齿圈10、接头11、箱体12。其中，行星架4通过轴承6安装在箱体12上，该行星架4上固定有行星轴7，所述行星轴7上固套有两个行星轴承8，该行星轴承8上固套有行星齿轮9，行星齿轮9同时与太阳轮3上的齿轮和内齿圈10啮合，关键是：固定在箱体12上的供油环1的伸长端至行星架4的输油孔中，供油环1通过供油套2与行星架4中的输油孔连接。行星架4的输油孔一路通至行星轴7；另一路通至行星架4的支撑臂上。该行星架4支撑臂的输油孔上设置有垂直于输油孔中心线的喷头5。供油套2固套在供油环1的伸长端上，该供油套2与行星架4的输油孔为间隙配合。行星架4支撑臂的输油孔上设置有三个垂直于输油孔中心线的喷头5。供油环1与箱体12上的进油孔连接，箱体12的进油孔顶端有接头11。As can be seen from Figure 1, the utility model mainly includes an oil supply ring 1, an oil supply sleeve 2, a sun gear 3, a planet carrier 4, a nozzle 5, a bearing 6, a planetary shaft 7, a planetary bearing 8, a planetary gear 9, and an inner ring gear 10 , joint 11, box body 12. Wherein, the planetary carrier 4 is installed on the box body 12 through the bearing 6, and the planetary shaft 7 is fixed on the planetary carrier 4, and two planetary bearings 8 are fixedly sleeved on the planetary shaft 7, and planetary bearings 8 are fixedly sleeved on the planetary shaft 8. The gear 9 and the planetary gear 9 mesh with the gear on the sun gear 3 and the ring gear 10 at the same time. The oil ring 1 is connected with the oil delivery hole in the planet carrier 4 through the oil supply sleeve 2 . One way of the oil delivery hole of the planet carrier 4 leads to the planetary shaft 7; The oil delivery hole of the support arm of the planet carrier 4 is provided with a spray head 5 perpendicular to the center line of the oil delivery hole. The oil supply sleeve 2 is fixedly sleeved on the extension end of the oil supply ring 1, and the oil supply sleeve 2 is in clearance fit with the oil delivery hole of the planet carrier 4. Three nozzles 5 perpendicular to the center line of the oil delivery hole are arranged on the oil delivery hole of the support arm of the planet carrier 4 . The oil supply ring 1 is connected with the oil inlet hole on the casing 12, and the top of the oil inlet hole of the casing 12 has a joint 11.

本实用新型的工作原理是：润滑油通过接头11进入齿轮箱，通过箱体12上的进油孔进入到供油环1的环槽，然后通过供油环1上的分流通道分别进入行星架4上的进油通道，行星架4进油通道上一路通过行星轴7对行星轴承8进行强制润滑，另一路通过行星架4支撑臂上的润滑喷孔和喷头5分别对太阳轮和内齿圈进行强制润滑。The working principle of the utility model is: lubricating oil enters the gear box through the joint 11, enters the ring groove of the oil supply ring 1 through the oil inlet hole on the box body 12, and then enters the planetary carrier through the shunt channels on the oil supply ring 1 4, the oil inlet channel of the planet carrier 4 carries out forced lubrication on the planetary bearing 8 through the planetary shaft 7 on one way, and the other way through the lubrication nozzle and nozzle 5 on the support arm of the planet carrier 4 respectively lubricates the sun gear and the inner gear Ring for forced lubrication.

Claims (3)

1、一种风电齿轮箱行星润滑供油装置，主要包括箱体(12)，其中，行星架(4)通过轴承(6)安装在箱体(12)上，该行星架(4)上固定有行星轴(7)，在行星轴(7)上固套有两个行星轴承(8)，所述行星轴承(8)上固套有行星齿轮(9)，该行星齿轮(9)同时与太阳轮(3)上的齿轮和内齿圈(10)啮合，其特征在于：固定在箱体(12)上的供油环(1)的伸长端至行星架(4)的输油孔，供油环(1)通过供油套(2)与行星架(4)的输油孔连接，行星架(4)上的输油孔一路通至行星轴(7)；另一路通至行星架(4)的支撑臂上，该行星架(4)支撑臂的输油孔上设置有垂直于输油孔中心线的喷头(5)。1. A planetary lubrication and oil supply device for a wind power gearbox, mainly comprising a casing (12), wherein the planetary carrier (4) is installed on the casing (12) through a bearing (6), and the planetary carrier (4) is fixed There is a planetary shaft (7), and two planetary bearings (8) are fixedly sleeved on the planetary shaft (7), and a planetary gear (9) is fixedly sleeved on the planetary bearing (8), and the planetary gear (9) is simultaneously connected with The gear on the sun gear (3) meshes with the ring gear (10), and the feature is that the extended end of the oil supply ring (1) fixed on the box body (12) reaches the oil delivery hole of the planet carrier (4) , the oil supply ring (1) is connected to the oil delivery hole of the planet carrier (4) through the oil supply sleeve (2), and one way of the oil delivery hole on the planet carrier (4) leads to the planet shaft (7); the other leads to the planetary On the support arm of the frame (4), the oil delivery hole of the support arm of the planet carrier (4) is provided with a spray nozzle (5) perpendicular to the center line of the oil delivery hole. 2、根据权利要求1所述的风电齿轮箱行星润滑供油装置，其特征在于：供油套(2)固套在供油环(1)的伸长端上，该供油套(2)与行星架(4)的输油孔为间隙配合；行星架(4)支撑臂的输油孔上设置有三个垂直于输油孔中心线的喷头(5)。2. The planetary lubrication and oil supply device for wind power gearboxes according to claim 1, characterized in that: the oil supply sleeve (2) is fixed on the extension end of the oil supply ring (1), and the oil supply sleeve (2) The oil delivery hole of the planet carrier (4) is clearance fit; the oil delivery hole of the support arm of the planet carrier (4) is provided with three nozzles (5) perpendicular to the center line of the oil delivery hole. 3、根据权利要求1所述的风电齿轮箱行星润滑供油装置，其特征在于：供油环(1)与箱体(12)上的进油孔连接，箱体(12)的进油孔顶端有接头(11)。3. The planetary lubrication oil supply device for wind power gearbox according to claim 1, characterized in that: the oil supply ring (1) is connected to the oil inlet hole on the box body (12), and the oil inlet hole of the box body (12) Connector (11) is arranged at the top.
CNU2008201003435U 2008-10-27 2008-10-27 Planet lubrication oil supply unit for wind turbine gearbox Expired - Fee Related CN201277153Y (en)

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CN105822496A (en) * 2016-05-04 2016-08-03 珠海鑫王达科技有限公司 Power system of vehicle-mounted wind power generation system
CN105781872A (en) * 2016-05-04 2016-07-20 珠海鑫王达科技有限公司 Aerodynamic motor and electric automobile
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CN106763694A (en) * 2016-12-19 2017-05-31 湖南南方宇航高精传动有限公司 A kind of new oil distribution device of wind turbine gearbox
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CN110081150A (en) * 2019-05-14 2019-08-02 南京高速齿轮制造有限公司 Wind turbine gearbox and its planet wheel bearing lubricate fixed structure
CN110081150B (en) * 2019-05-14 2024-03-01 南京高速齿轮制造有限公司 Wind power gear box and planet wheel bearing lubrication fixing structure thereof
DE102019214105A1 (en) * 2019-09-17 2021-03-18 Zf Friedrichshafen Ag Lubricant feed in a vertically installed gear
CN112524226A (en) * 2019-09-17 2021-03-19 采埃孚股份公司 Device for guiding lubricant in vertically mounted transmission
US11168781B2 (en) 2019-09-17 2021-11-09 Zf Friedrichshafen Ag Lubricant feed in a vertically mounted gearbox
CN112412777A (en) * 2020-12-01 2021-02-26 烟台杰瑞石油装备技术有限公司 Lubricating system for plunger pump and plunger pump
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CN114962605A (en) * 2022-05-13 2022-08-30 重庆望江工业有限公司 Spline lubricating structure of wind power gear box

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