JPWO2011013347A1 - 旋回駆動装置 - Google Patents
旋回駆動装置 Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
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- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
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- E02F9/2062—Control of propulsion units
- E02F9/207—Control of propulsion units of the type electric propulsion units, e.g. electric motors or generators
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- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
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- H02K—DYNAMO-ELECTRIC MACHINES
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- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/10—Electrical machine types
- B60L2220/14—Synchronous machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
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- B60—VEHICLES IN GENERAL
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L2240/486—Operating parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/24—Driver interactions by lever actuation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
20 車両本体(旋回体)
60、160、260、360,460 旋回駆動装置
61 旋回ベアリング 61a 外輪
61b 内輪 62 第1内歯ギヤ
63,263,463 リング状部材
64,264 第2内歯ギヤ
65 旋回油圧モータ 65a 第1ピニオン
66 旋回電動モータ 66a 第2ピニオン
69,469 外歯ギヤ 163 変速ギヤ列
163a 下部ギヤ 163b 上部ギヤ
Claims (17)
- 走行体の上に旋回体を旋回動自在に支持するとともに前記旋回体を旋回動させる旋回駆動装置であって、
前記走行体に対して前記旋回体を旋回動自在に支持する旋回ベアリングと、
前記走行体および前記旋回体のいずれか一方の側に、前記旋回ベアリングと同軸上に位置して設けられた第1旋回ギヤ部材と、
前記前記走行体および前記旋回体における前記第1旋回ギヤ部材が設けられた側もしくは他方の側に、前記旋回ベアリングと同軸上に位置して設けられた第2旋回ギヤ部材と、
前記第1旋回ギヤ部材のギヤ部と噛合する第1ピニオンギヤを有し、油圧力を用いて前記第1ピニオンギヤを回転駆動して前記第1旋回ギヤ部材を回転駆動可能な油圧モータと、
前記第2旋回ギヤ部材と噛合する第2ピニオンギヤを有し、電力を用いて前記第2ピニオンギヤを回転駆動して前記第2旋回ギヤ部材を回転駆動可能であり、且つ前記第2旋回ギヤ部材の回転による前記第2ピニオンギヤの回転駆動により回生発電が可能な回生電動モータとを備え、
前記第1ピニオンギヤにより前記第1旋回ギヤ部材へ回転伝達を行う第1減速比が、前記第2ピニオンギヤにより前記第2旋回ギヤ部材へ回転伝達を行う第2減速比と相違するように構成されたことを特徴とする旋回駆動装置。 - 前記第1減速比が前記第2減速比より小さいことを特徴とする請求項1に記載の旋回駆動装置。
- 前記第1ピニオンギヤから前記第1旋回ギヤ部材への回転伝達および前記第2ピニオンギヤから前記第2旋回ギヤ部材への回転伝達の少なくともいずれか一方が変速ギヤ列を介して行われるように構成されたことを特徴とする請求項1もしくは2に記載の旋回駆動装置。
- 前記旋回ベアリングが前記走行体および前記旋回体のいずれか一方に取り付けられる外輪と、前記外輪の内径側に転度体を介して相対回転自在に設けられて前記走行体および前記旋回体の他方に取り付けられる内輪とを有して構成され、
前記第1旋回ギヤ部材が前記内輪に一体結合して設けられた第1ギヤを有して構成され、前記第2旋回部材が前記内輪に一体結合して設けられるとともに前記第1ギヤと歯数の異なる第2ギヤを有して構成され、
前記油圧モータは前記外輪が設けられる側に設けられ、前記第1ピニオンギヤが前記第1ギヤと噛合し、
前記回生電動モータは前記外輪が設けられる側に設けられ、前記第2ピニオンギヤが前記第2ギヤと噛合することを特徴とする請求項1〜3のいずれかに記載の旋回駆動装置。 - 前記第1ギヤおよび第2ギヤのいずれか一方が前記内輪の内周面に形成された内歯ギヤから構成され、前記第1ギヤおよび第2ギヤの他方が前記内輪に一体結合されたリング状部材の内周面に形成された内歯ギヤから構成されることを特徴とする請求項4に記載の旋回駆動装置。
- 前記第1旋回ギヤ部材および前記第2旋回ギヤ部材が同一の歯数を有して一体に形成され、前記第1ピニオンギヤおよび前記第2ピニオンギヤの歯数を相違させることにより前記第1および前記第2減速比を相違させるように構成されることを特徴とする請求項4に記載の旋回駆動装置。
- 前記第1旋回ギヤ部材および前記第2旋回ギヤ部材が前記内輪の内周面に形成された内歯ギヤから構成されることを特徴とする請求項6に記載の旋回駆動装置。
- 前記旋回ベアリングが前記走行体および前記旋回体のいずれか一方に取り付けられる外輪と、前記外輪の内径側に転度体を介して相対回転自在に設けられて前記走行体および前記旋回体の他方に取り付けられる内輪とを有して構成され、
前記第1旋回ギヤ部材が前記内輪に一体結合して設けられた第1ギヤを有して構成され、前記第2旋回部材が前記外輪に一体結合して設けられるとともに前記第1ギヤと歯数の異なる第2ギヤを有して構成され、
前記油圧モータは前記外輪が設けられる側に設けられ、前記第1ピニオンギヤが前記第1ギヤと噛合し、
前記回生電動モータは前記内輪が設けられる側に設けられ、前記第2ピニオンギヤが前記第2ギヤと噛合することを特徴とする請求項1〜3のいずれかに記載の旋回駆動装置。 - 前記第1ギヤが前記内輪の内周面に形成された内歯ギヤから構成され、前記第2ギヤが前記外輪の外周面に形成された外歯ギヤから構成されることを特徴とする請求項8に記載の旋回駆動装置。
- 前記旋回ベアリングが前記走行体および前記旋回体のいずれか一方に取り付けられる外輪と、前記外輪の内径側に転度体を介して相対回転自在に設けられて前記走行体および前記旋回体の他方に取り付けられる内輪とを有して構成され、
前記第1旋回ギヤ部材が前記外輪に一体結合して設けられた第1ギヤを有して構成され、前記第2旋回部材が前記内輪に一体結合して設けられるとともに前記第1ギヤと歯数の異なる第2ギヤを有して構成され、
前記油圧モータは前記内輪が設けられる側に設けられ、前記第1ピニオンギヤが前記第1ギヤと噛合し、
前記回生電動モータは前記外輪が設けられる側に設けられ、前記第2ピニオンギヤが前記第2ギヤと噛合することを特徴とする請求項1〜3のいずれかに記載の旋回駆動装置。 - 前記第1ギヤが前記外輪の外周面に形成された外歯ギヤから構成され、前記第2ギヤが前記内輪の内周面に形成された内歯ギヤから構成されることを特徴とする請求項10に記載の旋回駆動装置。
- 前記旋回ベアリングが前記走行体および前記旋回体のいずれか一方に取り付けられる外輪と、前記外輪の内径側に転度体を介して相対回転自在に設けられて前記走行体および前記旋回体の他方に取り付けられる内輪とを有して構成され、
前記第1旋回ギヤ部材が前記外輪に一体結合して設けられた第1ギヤを有して構成され、前記第2旋回部材が前記外輪に一体結合して設けられるとともに前記第1ギヤと歯数の異なる第2ギヤを有して構成され、
前記油圧モータは前記内輪が設けられる側に設けられ、前記第1ピニオンギヤが前記第1ギヤと噛合し、
前記回生電動モータは前記内輪が設けられる側に設けられ、前記第2ピニオンギヤが前記第2ギヤと噛合することを特徴とする請求項1〜3のいずれかに記載の旋回駆動装置。 - 前記第1ギヤおよび第2ギヤのいずれか一方が前記外輪の外周面に形成された外歯ギヤから構成され、前記第1ギヤおよび第2ギヤの他方が前記外輪に一体結合されたリング状部材の外周面に形成された外歯ギヤから構成されることを特徴とする請求項12に記載の旋回駆動装置。
- 前記第1旋回ギヤ部材および前記第2旋回ギヤ部材が同一の歯数を有して一体に形成され、前記第1ピニオンギヤおよび前記第2ピニオンギヤの歯数を相違させることにより前記第1および前記第2減速比を相違させるように構成されることを特徴とする請求項12に記載の旋回駆動装置。
- 前記第1旋回ギヤ部材および前記第2旋回ギヤ部材が前記外輪の外周面に形成された外歯ギヤから構成されることを特徴とする請求項14に記載の旋回駆動装置。
- 前記旋回油圧モータに供給される作動油および前記旋回電動モータに供給される電力を制御して、前記旋回油圧モータおよび前記旋回電動モータの駆動制御を行う制御コントローラを備え、
前記制御コントローラは、前記旋回油圧モータにかかる負荷に応じて、前記旋回油圧モータとともに前記旋回電動モータを駆動することを特徴とする請求項1〜15のいずれかに記載の旋回駆動装置。 - 前記制御コントローラは、前記旋回油圧モータとともに前記旋回電動モータを駆動して旋回を加速させるとき、前記旋回油圧モータに供給される作動油を増加させる一方、前記旋回電動モータに供給される電力を減少させる制御を行い、所定の旋回速度に達すると前記旋回電動モータへの電力供給を停止して前記旋回油圧モータのみを駆動することを特徴とする請求項16に記載の旋回駆動装置。
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