JP5687537B2 - ホイール駆動装置 - Google Patents
ホイール駆動装置 Download PDFInfo
- Publication number
- JP5687537B2 JP5687537B2 JP2011064452A JP2011064452A JP5687537B2 JP 5687537 B2 JP5687537 B2 JP 5687537B2 JP 2011064452 A JP2011064452 A JP 2011064452A JP 2011064452 A JP2011064452 A JP 2011064452A JP 5687537 B2 JP5687537 B2 JP 5687537B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- pair
- wheel
- drive device
- rolling bearings
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
- F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
- B60B35/125—Power-transmission from drive shaft to hub using gearings of the planetary type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B37/00—Wheel-axle combinations, e.g. wheel sets
- B60B37/06—Wheel-axle combinations, e.g. wheel sets the wheels being integral with, or rigidly attached to, hollow axles
-
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/667—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to conditioning, e.g. cooling, filtering
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7813—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- General Details Of Gearings (AREA)
Description
2 ホイール
4 モータ
5 駆動シャフト
10 減速機構
B1 円すいころ軸受(転がり軸受)
B2 円すいころ軸受(転がり軸受)
20 外輪(外方軌道輪)
21 内輪(内方軌道輪)
24 軸受シール(シール部材)
25 芯金
26 ゴムシール
32 通油孔
33 磁石取付部
34 フィルタ
35 永久磁石
40 回転センサ
44 永久磁石
50 スリンガ
51 微小間隙
53 永久磁石
64 永久磁石
70 スリンガ
74 ラビリンス
76 永久磁石
Claims (9)
- 固定の配置とされた筒状の車軸と、その車軸の外径面上において軸方向に間隔をおいて設けられた一対の転がり軸受と、その一対の転がり軸受によって回転自在に支持されたホイールと、前記車軸内に挿通され、モータを駆動源として回転駆動される駆動シャフトと、前記車軸のアウトボード側に組込まれて前記駆動シャフトの回転を減速して前記ホイールに伝達する減速機構とを有し、前記一対の転がり軸受と減速機構のそれぞれを共通のオイルによって潤滑するようにしたホイール駆動装置において、
前記一対の転がり軸受のうち前記減速機構側に位置するアウトボード側の転がり軸受が、シール部材を片側に有し、そのシール部材が、片シール付き軸受の外方軌道輪と内方軌道輪の一方の軌道輪端部に取付けられる芯金の内周部にゴムシールが固着され、そのゴムシールに他方の軌道輪に接触されるシールリップが設けられた接触型軸受シールからなり、その軸受シールの芯金に複数の通油孔を周方向に間隔をおいて形成し、かつ、隣接する通油孔間に磁石取付部を設け、前記複数の通油孔のそれぞれをフィルタで覆い、前記磁石取付部に永久磁石を設けたことを特徴とするホイール駆動装置。 - 前記一対の転がり軸受のうち前記減速機構から離れた位置に配置されたインボード側転がり軸受が、軸方向の一端部に前記ホイールと一体に回転する外方軌道輪の回転速度を検出する回転センサ付き転がり軸受とされて、その回転センサがインボード側に位置する組込みとされた請求項1に記載のホイール駆動装置。
- 前記車軸の前記一対の転がり軸受間における外径面に環状の永久磁石を取付けた請求項1又は2に記載のホイール駆動装置。
- 前記ホイールの前記一対の転がり軸受間における内径面に環状の永久磁石を取付けた請求項1乃至3のいずれかの項に記載のホイール駆動装置。
- 固定の配置とされた筒状の車軸と、その車軸の外径面上において軸方向に間隔をおいて設けられた一対の転がり軸受と、その一対の転がり軸受によって回転自在に支持されたホイールと、前記車軸内に挿通され、モータを駆動源として回転駆動される駆動シャフトと、前記車軸のアウトボード側に組込まれて前記駆動シャフトの回転を減速して前記ホイールに伝達する減速機構とを有し、前記一対の転がり軸受と減速機構のそれぞれを共通のオイルによって潤滑するようにしたホイール駆動装置において、
前記一対の転がり軸受のうち前記減速機構側に位置するアウトボード側の転がり軸受が、シール部材を片側に有し、そのシール部材が、片シール付き軸受の外方軌道輪と内方軌道輪の一方の軌道輪端部に取付けられて他方の軌道輪との間に微小間隙を形成し、軸受空間のほぼ全体を覆う大きさの環状のスリンガからなり、そのスリンガに複数の通油孔を周方向に間隔をおいて形成し、かつ、隣接する通油孔間に磁石取付部を設け、前記複数の通油孔のそれぞれをフィルタで覆い、前記磁石取付部に永久磁石を設けたことを特徴とするホイール駆動装置。 - 前記スリンガと他方の軌道輪との間に形成された前記微小間隙に近接して環状の永久磁石を設けた請求項5に記載のホイール駆動装置。
- 前記一対の転がり軸受のうち前記減速機構から離れた位置に配置されたインボード側転がり軸受が、軸方向の一端部に前記ホイールと一体に回転する外方軌道輪の回転速度を検出する回転センサ付き転がり軸受とされて、その回転センサがインボード側に位置する組込みとされた請求項5又は6に記載のホイール駆動装置。
- 前記車軸の前記一対の転がり軸受間における外径面に環状の永久磁石を取付けた請求項5乃至7のいずれかの項に記載のホイール駆動装置。
- 前記ホイールの前記一対の転がり軸受間における内径面に環状の永久磁石を取付けた請求項5乃至8のいずれかの項に記載のホイール駆動装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011064452A JP5687537B2 (ja) | 2011-03-23 | 2011-03-23 | ホイール駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011064452A JP5687537B2 (ja) | 2011-03-23 | 2011-03-23 | ホイール駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012202417A JP2012202417A (ja) | 2012-10-22 |
JP5687537B2 true JP5687537B2 (ja) | 2015-03-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011064452A Expired - Fee Related JP5687537B2 (ja) | 2011-03-23 | 2011-03-23 | ホイール駆動装置 |
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JP (1) | JP5687537B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3878675A4 (en) * | 2018-11-08 | 2022-07-27 | Hitachi Construction Machinery Co., Ltd. | DUMP TRUCKS |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6419478B2 (ja) | 2014-07-25 | 2018-11-07 | Ntn株式会社 | 転がり軸受 |
JP7536439B2 (ja) * | 2019-11-05 | 2024-08-20 | ナブテスコ株式会社 | センサ |
CN115325032B (zh) * | 2022-09-15 | 2023-06-30 | 上海意内西机械制造有限公司 | 耐用型轮毂轴承总成 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0438826U (ja) * | 1990-07-30 | 1992-04-02 | ||
JP2539597Y2 (ja) * | 1992-01-24 | 1997-06-25 | 光洋精工株式会社 | 転がり軸受 |
JP2006022901A (ja) * | 2004-07-08 | 2006-01-26 | Hitachi Constr Mach Co Ltd | 減速装置 |
JP2006170625A (ja) * | 2004-12-10 | 2006-06-29 | Ntn Corp | 回転センサ付き軸受 |
JP4667478B2 (ja) * | 2008-02-26 | 2011-04-13 | 日立建機株式会社 | 走行装置 |
-
2011
- 2011-03-23 JP JP2011064452A patent/JP5687537B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3878675A4 (en) * | 2018-11-08 | 2022-07-27 | Hitachi Construction Machinery Co., Ltd. | DUMP TRUCKS |
US11479108B2 (en) | 2018-11-08 | 2022-10-25 | Hitachi Construction Machinery Co., Ltd. | Dump truck |
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JP2012202417A (ja) | 2012-10-22 |
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