WO2020114506A1 - Appareil de lubrification de palier - Google Patents

Appareil de lubrification de palier Download PDF

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Publication number
WO2020114506A1
WO2020114506A1 PCT/CN2019/123794 CN2019123794W WO2020114506A1 WO 2020114506 A1 WO2020114506 A1 WO 2020114506A1 CN 2019123794 W CN2019123794 W CN 2019123794W WO 2020114506 A1 WO2020114506 A1 WO 2020114506A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
oil
mounting portion
oil passage
lubrication device
Prior art date
Application number
PCT/CN2019/123794
Other languages
English (en)
Chinese (zh)
Inventor
毛宏璞
何爱民
孙艺忠
张合超
朱飞
Original Assignee
南京高速齿轮制造有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201811493487.6A external-priority patent/CN111288152A/zh
Priority claimed from CN201822049946.3U external-priority patent/CN209212944U/zh
Application filed by 南京高速齿轮制造有限公司 filed Critical 南京高速齿轮制造有限公司
Publication of WO2020114506A1 publication Critical patent/WO2020114506A1/fr

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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • 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
    • 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

Definitions

  • This application relates to the technical field of bearing lubrication, for example, to a bearing lubrication device.
  • the shaft supported in the bearing can be lubricated by lubricating the bearing at the same time to reduce the friction force during the rotation of the shaft and reduce the heat generated by the rotating friction, thereby extending the life of the shaft and the bearing and increasing the mechanical Work stability.
  • the lubrication method of bearings is usually forced or unforced lubrication.
  • forced lubrication needs to increase the pump structure, such as a mechanical pump or a motor pump, but due to the additional structure, the risk point of the gearbox is increased, the reliability is reduced, and the cost of the gearbox is increased, and the external dimensions are increased.
  • Unforced lubrication is usually done by increasing the gearbox oil level or setting a small oil sump at the bearing. However, increasing the oil level will increase the gearbox's oil loss and reduce the efficiency of the gearbox.
  • the present application provides a bearing lubricating device with good lubricity without forced lubrication.
  • a bearing lubrication device includes a box body, and the box body is provided with:
  • a bearing mounting portion configured to mount a bearing
  • An oil sump configured to collect the shallow liquid in the tank
  • the oil passage is provided in the side wall of the box body, and at least part of the oil passage is disposed at an angle to a horizontal plane, and one end of the oil passage communicates with the oil sump, the oil The other end of the channel communicates with the bearing mounting portion.
  • the number of the oil sump is plural, the oil passages are plural, and each of the oil sump communicates with the bearing mounting portion through a corresponding oil passage.
  • the bearing mounting portion includes a ring-shaped mounting portion and a limit ring, the ring-shaped mounting portion is configured to abut an outer ring of the bearing, and the limit ring is configured to abut an end surface of the bearing;
  • the bit ring is provided with an oil outlet communicating with the other end of the oil passage.
  • the inner and outer sides of the box body are oppositely provided with the bearing mounting portion, the bearing mounting portion includes a ring-shaped mounting portion, the ring-shaped mounting portion is arranged to abut the outer ring of the bearing; There is a limit ring between the ring-shaped mounting parts;
  • Both sides of the limit ring are arranged to abut the end face of the inner bearing and the end face of the outer bearing, respectively, and both sides of the limit ring are provided with the outlet communicating with the other end of the oil passage Oil port.
  • An oil groove is provided on the limit ring, and the oil outlet is provided at at least one position below the oil groove: on the bottom of the groove and on the wall of the groove.
  • Each of the oil collecting sumps communicates with one of the bearing mounting parts through a corresponding oil passage.
  • a plurality of bent ribs are provided on the inner wall surface of the box body, and a plurality of groove-shaped oil sumps are formed between the rib plates and the inner wall of the box body.
  • the ribs extend in the radial direction of the bearing mounting portion, and the ribs are bent in the circumferential direction.
  • the oil passage includes a first oil passage and a second oil passage
  • the rib plate includes a first rib plate and a second rib plate
  • a first oil sump is formed between the first rib plate and the tank
  • a second oil sump is formed between the second rib and the box
  • the first oil sump communicates with the bearing mounting portion inside the box through the first oil passage
  • the The second oil sump communicates with the bearing mounting portion outside the box through the second oil passage.
  • An oil inlet communicating with the upper end of the oil passage is provided at at least one of the lower part and the bottom of the oil sump.
  • the bearing lubrication device is a bearing lubrication device of a gear box.
  • the bearing lubricating device can use the oil splash tank to collect the splashed oil in the tank. Since the oil passage is inclined relative to the horizontal plane, the oil collected in the oil trap is guided by the oil passage to the bearing installation under the action of gravity
  • the bearings are lubricated everywhere, and the lubrication is highly targeted. A small amount of oil can lubricate the bearings, and the lubrication effect is good, and the structure is simple and compact, and the cost is low; it effectively solves the problem of the large structure and high cost of forced lubrication
  • the problem also avoids the reduction of the transmission efficiency of the gear box and the leakage of the mechanical seal oil caused by the excessively high oil level in the absence of forced lubrication, and improves the reliability of the gear box.
  • FIG. 1 is one of the structural schematic diagrams of a bearing lubrication device provided by an embodiment of the present application
  • FIG. 2 is a second structural diagram of a bearing lubrication device provided by an embodiment of the present application.
  • FIG. 3 is a front view of a bearing lubrication device provided by an embodiment of the present application.
  • FIG. 4 is a partial structural schematic diagram of a bearing lubrication device provided by an embodiment of the present application.
  • FIG. 5 is one of the structural schematic diagrams of the bearing lubricating device provided by an embodiment of the present application after removing a part of the structure;
  • FIG. 6 is a rear view of a bearing lubrication device provided by an embodiment of the present application.
  • FIG. 7 is a partial enlarged view at A in FIG. 6;
  • FIG. 8 is a second structural schematic diagram of the bearing lubricating device provided by an embodiment of the present application after removing a part of the structure;
  • FIG. 9 is the third structural schematic diagram after removing part of the structure of the bearing lubricating device according to an embodiment of the present application.
  • oil sump 120, oil sump; 121, first oil sump; 122, second oil sump; 123, oil inlet;
  • oil passage 141, first oil passage; 142, second oil passage.
  • This specific embodiment provides a bearing lubrication device, which can be selected but not limited to a gear box bearing lubrication device, and can also be applied to other suitable occasions.
  • the bearing lubricating device includes a housing 100 provided with a bearing mounting portion 110, an oil sump 120 and an oil passage 140, wherein the bearing mounting portion 110 It is set to install the bearing, and the oil sump 120 is set to collect the splashed oil in the tank 100, such as the splashed oil brought by the oil stirring structure, as shown in Figure 4 ( Figure 4 shows the buried The oil passage 140 in the tank 100), the oil passage 140 is disposed inside the side wall of the tank 100, and at least part of the oil passage 140 is disposed at an angle with the horizontal plane, and the included angle may be acute, right, or obtuse. One end of the oil passage 140 communicates with the oil sump 120, and the other end of the oil passage 140 communicates with the bearing mounting portion 110. Wherein, the oil passage 140 is optionally integrally formed on the box 100.
  • the bearing lubricating device can use the oil sump 120 to collect the splashed oil in the tank 100. Since the oil passage 140 is arranged at an angle to the horizontal plane, that is, the oil passage 140 is inclined or vertically arranged relative to the horizontal plane, The oil collected in the oil sump 120 is guided to the bearing mounting part 110 through the oil passage 140 under the action of gravity to lubricate the bearing.
  • the lubrication is highly targeted. A small amount of oil can lubricate the bearing and the lubrication effect is good.
  • the structure is simple and compact, the processing is convenient, and the processing cost is low; it effectively solves the problems of large structure and high cost of forced lubrication, and also avoids the transmission efficiency of the gear box caused by the excessively high oil level in the absence of forced lubrication Reducing the problem of oil leakage from the mechanical seal and improving the reliability of the gearbox.
  • the structure of the oil sump 120 is not limited, and it suffices to be able to collect the oil in the tank 100.
  • the inner wall surface of the box body 100 is provided with a bent rib 130.
  • the rib 130 and the box 100 may be an integral structure, or may be a separate structure connected by a connecting member.
  • the shape of the rib 130 is not limited, and may be, for example, L-shaped or C-shaped.
  • the rib 130 may form a groove-shaped oil sump 120 between the inner wall of the box 100.
  • the ribs 130 are provided along the radial direction of the bearing mounting portion 110, and the ribs 130 are bent in the circumferential direction, that is, the opening of the oil sump 120 faces the circumferential direction.
  • an oil inlet 123 communicating with one end of the oil passage 140 is provided at at least one of the lower part and the bottom of the oil sump 120 so that the oil in the oil sump 120 flows into the oil passage.
  • the bearings on the outside thereof are generally difficult to be lubricated.
  • the inner and outer sides of the casing 100 of this embodiment are provided with bearing mounting portions 110 oppositely, and the number of oil sump 120 is also multiple,
  • the plurality of oil sumps 120 respectively communicate with the bearing mounting portions 110 on both sides through different oil passages 140.
  • the number of ribs 130 is multiple, and the multiple ribs 130 all form an oil sump 120 between the tank 100, different
  • the oil sump 120 communicates with one of the bearing mounting portions 110 on both sides through different oil passages 140, respectively.
  • the oil passage 140 includes a first oil passage 141 and a second oil passage 142
  • the rib 130 includes a first rib 131 and a second rib 132.
  • a first oil sump 121 is formed between the first rib plate 131 and the tank 100
  • a second oil sump 122 is formed between the second rib plate 132 and the tank 100.
  • the first oil sump 121 passes through the first oil passage 141 Communicating with the bearing mounting portion 110 inside the case 100, the second oil sump 122 communicates with the bearing mounting portion 110 outside the case 100 through the second oil passage 142.
  • the number and distribution of the ribs 130 and the oil passages 140 are not specifically limited, and can be set according to specific parts to be lubricated.
  • the structure of the bearing mounting portion 110 is not limited, and the bearing can be mounted. Please refer to FIG. 1, FIG. 3, FIG. 6, FIG. 8 and FIG. 9 again.
  • the bearing mounting portion 110 includes a ring-shaped mounting portion 111 and a stop ring 112, and the ring-shaped mounting portion 111 is set to abut In the outer ring of the bearing, the limit ring is set to abut the end face of the bearing; a through hole is formed in the middle of the limit ring 112, and the through hole is set to pass through the shaft of the bearing.
  • the bearing mounting portions 110 on the inner and outer sides of the housing 100 may share the same stop ring 112, that is, the two side surfaces of the stop ring 112 abut the inner bearing end face and the outer bearing end face respectively.
  • An oil outlet 113 communicating with the other end of the oil passage 140 is provided on the limit ring 112.
  • the oil outlet 113 directly lubricates the end surface of the bearing, and the lubrication effect is better.
  • both sides of the limit ring 112 are provided with oil outlets 113 communicating with the other end of the oil passage 140, wherein the oil outlet inside the limit ring 112
  • the port 113 is a first oil outlet 1131 communicating with the first oil passage 141, and the oil outlet 113 outside the stop ring 112 is a second oil outlet 1132 communicating with the second oil passage 142.
  • an oil groove 114 may be provided on the limit ring 112, and the oil outlet 113 is provided on the groove bottom of the oil groove 114 to expand the contact area with the bearing end surface.
  • the oil outlet may be provided on the groove wall of the oil groove 114 only or at the same time.
  • only one bearing may be provided on one end of the shaft, that is, only one bearing mounting portion 110 may be provided on the inside or outside of the case 100.

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

Abstract

L'invention concerne un appareil de lubrification de palier, comprenant un boîtier (100). Une partie de montage de palier (110), un bassin de collecte d'huile (120), et un passage d'huile (140) sont disposés sur le boîtier (100) ; la partie de montage de palier (110) est configurée pour le montage d'un palier ; le bassin de collecte d'huile (120) est configuré pour collecter l'huile projetée dans le boîtier (100) ; le passage d'huile (140) est disposé sur le côté interne de la paroi latérale du boîtier (100) à proximité de la partie de montage de palier (110), et au moins une partie du passage d'huile (140) et un plan horizontal sont agencés selon un angle inclus ; une extrémité du passage d'huile (140) est en communication avec le bassin de collecte d'huile (120), et l'autre extrémité du passage d'huile (140) est en communication avec la partie de montage de palier (110).
PCT/CN2019/123794 2018-12-07 2019-12-06 Appareil de lubrification de palier WO2020114506A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201811493487.6A CN111288152A (zh) 2018-12-07 2018-12-07 一种轴承润滑装置
CN201811493487.6 2018-12-07
CN201822049946.3 2018-12-07
CN201822049946.3U CN209212944U (zh) 2018-12-07 2018-12-07 一种轴承润滑装置

Publications (1)

Publication Number Publication Date
WO2020114506A1 true WO2020114506A1 (fr) 2020-06-11

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Application Number Title Priority Date Filing Date
PCT/CN2019/123794 WO2020114506A1 (fr) 2018-12-07 2019-12-06 Appareil de lubrification de palier

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WO (1) WO2020114506A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010053027A1 (de) * 2010-12-02 2012-06-06 Sew-Eurodrive Gmbh & Co. Kg Wellenadaptereinheit, Getriebe und Antriebseinheit
WO2015076722A1 (fr) * 2013-11-22 2015-05-28 Scania Cv Ab Boîte de vitesses
CN204961775U (zh) * 2015-08-26 2016-01-13 上汽通用汽车有限公司 轴承板
CN206190859U (zh) * 2016-07-18 2017-05-24 来安县科来兴实业有限责任公司 一种新型高速动车组齿轮箱
CN107387735A (zh) * 2017-09-01 2017-11-24 郑州机械研究所 具有润滑油自动集油分配功能的轻量化齿轮箱体
CN207246366U (zh) * 2017-10-16 2018-04-17 重庆幻速汽车配件有限公司 纯电动减速器左壳体
CN207539321U (zh) * 2017-11-02 2018-06-26 西安法士特汽车传动有限公司 一种中央减速器轴承润滑结构
CN208268381U (zh) * 2018-05-25 2018-12-21 南京高精齿轮集团有限公司 一种齿轮箱
CN209212944U (zh) * 2018-12-07 2019-08-06 南京高速齿轮制造有限公司 一种轴承润滑装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010053027A1 (de) * 2010-12-02 2012-06-06 Sew-Eurodrive Gmbh & Co. Kg Wellenadaptereinheit, Getriebe und Antriebseinheit
WO2015076722A1 (fr) * 2013-11-22 2015-05-28 Scania Cv Ab Boîte de vitesses
CN204961775U (zh) * 2015-08-26 2016-01-13 上汽通用汽车有限公司 轴承板
CN206190859U (zh) * 2016-07-18 2017-05-24 来安县科来兴实业有限责任公司 一种新型高速动车组齿轮箱
CN107387735A (zh) * 2017-09-01 2017-11-24 郑州机械研究所 具有润滑油自动集油分配功能的轻量化齿轮箱体
CN207246366U (zh) * 2017-10-16 2018-04-17 重庆幻速汽车配件有限公司 纯电动减速器左壳体
CN207539321U (zh) * 2017-11-02 2018-06-26 西安法士特汽车传动有限公司 一种中央减速器轴承润滑结构
CN208268381U (zh) * 2018-05-25 2018-12-21 南京高精齿轮集团有限公司 一种齿轮箱
CN209212944U (zh) * 2018-12-07 2019-08-06 南京高速齿轮制造有限公司 一种轴承润滑装置

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