COOLING DEVICE FOR WORK MACHINE

• Main Authors: UEDA NORIHIKO, SUGANO TAKAO
• Format: Patent
• Language: English; Japanese
• Published: 19.09.2019
• Subjects: BLASTING; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

To provide a cooling device for a work machine which achieves high responsibility and can blow air smoothly while protecting a sensor.SOLUTION: A cooling device 5 includes: a bearing 5g supporting a rotary shaft 5d1; a bearing case 5c which houses the bearing 5g; and a sensor 5h which detects rotation of a fan 5e. The bearing case 5c has: a first cutout part 5c3 which houses a sensor body part 5h1 and is located in an area facing a boss part 5e1 in a direction along a rotation axis a of the bearing case 5c; and a second cutout part 5c4 which is provided at a position offset from the first cutout part 5c3 in a circumferential direction and houses a wiring part 5h2.SELECTED DRAWING: Figure 4 【課題】応答性がよく、センサを保護しつつ、スムーズな送風を行うことができる作業機械用冷却装置を提供する。【解決手段】冷却装置５は、回転軸５ｄ１を支持するベアリング５ｇと、ベアリング５ｇを収容するベアリングケース５ｃと、ファン５ｅの回転を検出するセンサ５ｈとを備える。ベアリングケース５ｃは、ベアリングケースの５ｃ回転軸線ａに沿う方向でボス部５ｅ１に対向する領域に、センサ本体部５ｈ１を収容する第１切欠き部５ｃ２と、第１切欠き部５ｃ１に対して周方向にずれた位置に設けられ、配線部５ｈ２を収容する第２切欠き部５ｃ４とを有する。【選択図】図４