专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2009264456A Accumulator gas pressure drop detecting method and device 有权
标题翻译：蓄能器气体压力检测方法和装置
公开(公告)号：JP2009264456A
公开(公告)日：2009-11-12
申请号：JP2008113044
申请日：2008-04-23
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： FUKUSHI MASAYUKI , TAMURA KATSUMI , SASAKI TAKASHI , MINOJIMA TOSHIKAZU , SHIMIZU KATSUHIKO
IPC分类号： F15B20/00 , B62D5/07 , B62D5/09 , B62D5/10 , B62D5/30
摘要： PROBLEM TO BE SOLVED: To provide an accumulator gas pressure drop detecting method and device for detecting the abnormal drop of gas pressure in an accumulator without increasing the number of pressure sensors. SOLUTION: The gas pressure drop detecting method for an accumulator 8 is provided for detecting the abnormal drop of gas pressure in the accumulator 8 which accumulates pressure depending on pressure oil discharged from a hydraulic pump 2. It includes counting a charging time ts from starting the drive of the hydraulic pump 2 up to the event that the pressure of the pressure oil supplied to the accumulator 8 reaches specified pressure A equivalent to normal gas pressure, determining the charging time ts compared with a preset time ta as an elapsed time estimated from starting the drive of the hydraulic pump 2 to reaching the specified pressure A when gas pressure in the accumulator 8 is kept normal, and considering that the gas pressure in the accumulator 8 abnormally drops when the charging time ts is determined to be longer than the preset time ta. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在不增加压力传感器的数量的情况下检测蓄能器中的气体压力的异常下降的蓄压器气体压降检测方法和装置。解决方案：设置蓄压器8的气体压降检测方法，用于检测累积器8中的气压的异常下降，累积压力取决于从液压泵2排出的压力油。其包括计数充电时间ts 从启动液压泵2的驱动开始直到提供给蓄压器8的压力油的压力达到与正常气体压力相当的规定压力A的情况，确定与预设时间ta相比的充电时间ts为经过时间从储液器8的气体压力保持正常时开始液压泵2的驱动开始达到规定压力A，并且考虑到当充电时间ts被确定为长于蓄电池8时，蓄电池8中的气体压力异常下降预设时间ta。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009264455A Accumulator gas pressure drop detecting method and device 审中-公开
标题翻译：蓄能器气体压力检测方法和装置
公开(公告)号：JP2009264455A
公开(公告)日：2009-11-12
申请号：JP2008113036
申请日：2008-04-23
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： SHIMIZU KATSUHIKO , TAMURA KATSUMI , SASAKI TAKASHI , MINOJIMA TOSHIKAZU , FUKUSHI MASAYUKI
IPC分类号： F15B20/00 , B62D5/07 , B62D5/09 , B62D5/10 , B62D5/30 , F15B1/02
摘要： PROBLEM TO BE SOLVED: To provide an accumulator gas pressure drop detecting method and device for accurately detecting the abnormal drop of gas pressure in an accumulator during driving a hydraulic pump. SOLUTION: The gas pressure drop detecting device for the accumulator 8 provided on a dump truck includes a pressure sensor 5 for detecting the supply or supply stop of pressure oil to the accumulator 8 during driving the hydraulic pump 2, and a controller 14 including a computing means for computing a determining element of determining the abnormality of gas pressure in the accumulator 8 in accordance with a signal from the pressure sensor 5, namely, a charge cycle number (X/s) per unit time s, a determining means for determining whether the computed (X/s) is such a preset threshold value that the gas pressure in the accumulator 8 is considered to abnormal drop, namely, a charge cycle number Y (Y/s) per unit time s, or greater or not, and an output means for outputting an abnormality signal when the determining means determines the (X/s) is the (Y/s) or greater. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在驱动液压泵期间精确地检测蓄能器中的气压的异常下降的蓄压气压降检测方法和装置。解决方案：设置在自卸车上的蓄压器8的气体压降检测装置包括：压力传感器5，用于检测在驱动液压泵2期间向储液器8供给或供给停止的压力油;以及控制器14 包括计算装置，用于根据来自压力传感器5的信号，即每单位时间s的充电周期数（X / s）计算确定蓄电池8中的气体压力异常的确定元件，确定装置用于确定所计算出的（X / s）是否是这样一个预设的阈值，即累加器8中的气体压力被认为是异常下降，即每单位时间s的充电循环次数Y（Y / s）或更大，或者以及当确定装置确定（X / s）是（Y / s）或更大时输出异常信号的输出装置。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2014018063A Electric work vehicle 审中-公开
标题翻译：电动车
公开(公告)号：JP2014018063A
公开(公告)日：2014-01-30
申请号：JP2013146432
申请日：2013-07-12
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： MINOJIMA TOSHIKAZU , NAKAJIMA YOSHIO
IPC分类号： B60L7/06 , B60K6/22 , B60K6/46 , B60K11/06 , B60L11/08 , B60P1/04 , B60W10/26 , B60W10/30 , B60W20/00
CPC分类号： B60K11/00 , B60K1/00 , B60L7/06 , B60L7/22 , B60L11/08 , B60L2200/40 , B60L2250/00 , Y02T10/648 , Y02T10/70 , Y02T10/7077 , Y10S903/902
摘要： PROBLEM TO BE SOLVED: To provide an electric work vehicle capable of optionally selecting from heat generation by a resistor and ventilation by a blower according to states of the resistor and the ambient air.SOLUTION: A dump truck includes a travelling motor 8 comprising an electric motor for driving a rear wheel, in a vehicle body thereof. The travelling motor 8 is connected to a main generator 12 via a bidirectional converter 20 and the like and driven by the power supplied from the main generator 12. The bidirectional converter 20 is connected to a resistor 21 that consumes regenerative electric power from the travelling motor 8. The blower 24 provides cooling air to the resistor 21. A controller 28 controls each operation of a switch 23 of the resistor 21 and the blower 24. The controller 28 is connected to a mode selection switch 29 for selecting from a heat generation mode (A), a ventilation mode (B) and a heat generation ventilation mode (C).
摘要翻译：要解决的问题：提供一种电动车辆，其能够根据电阻器和环境空气的状态选择由电阻器的发热和鼓风机的通风。解决方案：自卸车包括行进电动机8，其包括电动用于驱动后轮的电动机。行进电动机8通过双向转换器20等与主发电机12连接，并由主发电机12供给的电力驱动。双向转换器20与电阻21连接，电阻21从行进电动机鼓风机24向电阻器21提供冷却空气。控制器28控制电阻器21和鼓风机24的开关23的每个操作。控制器28连接到模式选择开关29，用于从发热模式（A），换气模式（B）和发热通风模式（C）。

4. 发明专利

JP2013023105A Method and device for detecting abnormality of accumulator of work vehicle 有权
标题翻译：用于检测工作车辆蓄能器异常的方法和装置
公开(公告)号：JP2013023105A
公开(公告)日：2013-02-04
申请号：JP2011160889
申请日：2011-07-22
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： MINOJIMA TOSHIKAZU , KUROSAWA TAKAO
IPC分类号： B62D5/07 , B62D5/30 , E02F9/20 , F15B20/00
摘要： PROBLEM TO BE SOLVED: To make a report of pressure oil shortage in an accumulator in accordance with the starting timing of traveling of a work vehicle performed by an operator.SOLUTION: A device for detecting abnormality of an accumulator of a work vehicle includes: a first determination means 51 determining an instruction content by a parking brake switch 33; a second determination means 52 determining whether or not the pressure in the accumulator 20 is lower than a reference value of the pressure of pressure oil to have been accumulated in the accumulator 20 during the traveling time of the work vehicle at the timing of finishing the determination by the first determination means 51; and an informing control means 53 informing that, when the instruction content by the parking brake switch 33 is determined to be release of a parking brake device 30 by the first determination means 51, the pressure in the accumulator 20 is determined to be lower than the reference value by the second determination means 52, by controlling a display 55 and a speaker 56 at the timing of finishing the determination by the second determination means 52.
摘要翻译：要解决的问题：根据操作者进行的工作车辆的起步时间，报告蓄压器中的压力油不足。解决方案：一种用于检测工作车辆的蓄能器异常的装置，包括：第一确定装置51，通过驻车制动开关33确定指令内容; 第二确定装置52，在完成确定的时刻，确定蓄能器20中的压力是否低于在工作车辆的行驶时间期间累积在蓄能器20中的压力油的压力的基准值通过第一确定装置51; 以及通知控制装置53，通知由停车制动开关33的指示内容被第一判定装置51确定为停车制动装置30的状态时，将蓄能器20的压力判定为低于通过第二确定装置52的确定的时间控制显示器55和扬声器56，由第二确定装置52提供参考值。（C）2013，JPO和INPIT

5. 发明专利

JP2010215195A Vehicle with tire wear determining device 有权
标题翻译：车轮与轮胎磨损确定装置
公开(公告)号：JP2010215195A
公开(公告)日：2010-09-30
申请号：JP2009067233
申请日：2009-03-19
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： KIKUCHI TERU , FUTAMI MOTOO , MINOJIMA TOSHIKAZU , YASUDA TOMOHIKO , SATO TAKAYUKI , NAKAJIMA YOSHIO
IPC分类号： B60C19/00 , B60C11/24 , B60C23/00 , B60C23/06 , B60L3/00
CPC分类号： B60C23/04 , B60C11/246 , B60C99/006
摘要： PROBLEM TO BE SOLVED: To provide a vehicle capable of precisely determining a tire wear condition even in road surface conditions where tire slipping or wheel locking easily occurs. SOLUTION: The vehicle with driven and driving wheels respectively mounted with a tire includes a rotation speed detector detecting the rotation speed of the driven and driving wheels, a wheel speed detector detecting the wheel speed of the driven and driving wheels from a detected value of the rotation speed of the driven and driving wheels, a wheel speed ratio detector detecting the wheel speed ratio between the driven wheel and the driving wheel from a detected value of the wheel speed of the driven and driving wheels, and a tire condition determining device outputting a result to determine that a tire mounted on the driven wheel and/or the driving wheel is worn when the wheel speed ratio exceeds a determination value set in advance. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在容易发生轮胎滑动或车轮锁定的路面状况下，也能够提供能够精确地确定轮胎磨损状况的车辆。解决方案：具有分别安装有轮胎的驱动轮和驱动轮的车辆包括检测从动和驱动轮的转速的转速检测器，检测从动和驱动轮的车轮速度的车轮速度检测器从动轮和驱动轮的转速的值，车轮速比检测器，根据被驱动轮和驱动轮的车轮速度的检测值检测从动轮和驱动轮之间的车轮速比，以及轮胎状态判定输出结果以确定当轮速比超过预先设定的确定值时，安装在从动轮和/或驱动轮上的轮胎被磨损。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010173407A Travel driving device for working vehicle 有权
标题翻译：用于车辆行驶的行驶装置
公开(公告)号：JP2010173407A
公开(公告)日：2010-08-12
申请号：JP2009016659
申请日：2009-01-28
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： NABESHIMA YOSHIFUMI , MURAHASHI TAKAYOSHI , MINOJIMA TOSHIKAZU , WATANABE YUTAKA
IPC分类号： B60K7/00 , B60K6/365 , B60K6/46 , B60L11/02 , B60L15/20 , B60W10/08 , B60W10/30 , B60W20/00 , F16H1/28 , F16H59/72 , F16H61/00
CPC分类号： F16H57/0434 , B60B11/06 , B60K17/046 , Y02T10/7258
摘要： PROBLEM TO BE SOLVED: To control start of a lubrication pump according not to the temperature of a lubricant but to the temperature of a drive source by detecting the temperature of the drive source in starting vehicle driving. SOLUTION: When the oil temperature T of the lubricant G cannot be detected by an oil temperature sensor 51 provided at a delivery side of the lubrication pump 46, the temperature Tm of a traveling motor 17 is detected using a motor temperature sensor 53 provided on the traveling motor 17. Further, by estimating the oil temperature T of the lubricant G from the temperature Tm of the traveling motor 17, it is monitored whether the temperature Tm is raised to a fixed temperature Tms requiring cooling through the forced circulation of the lubricant G. Until the motor temperature Tm is raised to the temperature exceeding the fixed temperature Tms, driving of the lubrication pump 46 by a lubrication pump motor 47 is stopped. Whereas, when the motor temperature Tm exceeds the fixed temperature Tms, activation of the lubrication pump 46 is started. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过检测起动车辆行驶中的驱动源的温度来控制润滑泵的启动，其不依赖于润滑剂的温度，而是驱动驱动源的温度。解决方案：当设置在润滑泵46的输出侧的油温传感器51不能检测到润滑剂G的油温T时，使用电动机温度传感器53检测行驶用电动机17的温度Tm 此外，通过从行驶马达17的温度Tm估计润滑剂G的油温T，监视温度Tm是否升高到需要通过强制循环冷却的固定温度Tms 润滑剂G.直到电机温度Tm升高到超过固定温度Tms的温度，停止通过润滑泵马达47驱动润滑泵46。而当电机温度Tm超过固定温度Tms时，启动润滑泵46。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009262750A Conveying vehicle 有权
标题翻译：运输车辆
公开(公告)号：JP2009262750A
公开(公告)日：2009-11-12
申请号：JP2008114255
申请日：2008-04-24
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： MINOJIMA TOSHIKAZU , TAMURA KATSUMI
IPC分类号： B60P1/04 , B60P1/16
摘要： PROBLEM TO BE SOLVED: To provide a conveying vehicle can detect a trouble of an inclination angle detector.
SOLUTION: An angle sensor 20 for detecting the angle of inclination θ of a cargo bed 8, and a seating sensor 21 for detecting the seating of the cargo bed 8 are provided on a vehicle body 2. A controller 22 reads signals from the angle sensor 20 and the seating sensor 21. The controller 22 determines whether or not the result of the detection of the angle of inclination θ by the angle sensor 20 is matched with the result of the detection of the seating sensor 21. By this, the troubles of the angle sensor 20 and the seating sensor 21 can be detected.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种输送车辆可以检测倾斜角度检测器的问题。解决方案：用于检测货物床8的倾斜角θ的角度传感器20和用于检测货物舱8的安置的就座传感器21设置在车体2上。控制器22从角度传感器20和座椅传感器21.控制器22判断由角度传感器20检测到的倾斜角度θ的结果是否与乘坐传感器21的检测结果相匹配。由此，可以检测角度传感器20和就座传感器21的故障。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2013169938A Body lifting state display device for dump truck 有权
标题翻译：身体提升状态显示装置用于拖车
公开(公告)号：JP2013169938A
公开(公告)日：2013-09-02
申请号：JP2012036253
申请日：2012-02-22
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： ITAI YUDAI , MINOJIMA TOSHIKAZU , YAGYU TAKASHI , IKARI TAKANOBU , KUROSAWA TAKAO
IPC分类号： B60P1/04
CPC分类号： B60P1/283
摘要： PROBLEM TO BE SOLVED: To allow easy recognition of the angle of inclination of a body.SOLUTION: A dump truck 1 includes a body 12, hoist cylinders 15 for lifting the body 12 up and down, a hoist lever 21, and a CCU 22 for elongating/contracting the hoist cylinders 15. The dump truck 1 further includes a body lifting state notification device 2 having a body angle sensor 16 and an IDU 26. The CCU 22 calculates an angle of inclination from the state that the body 12 is seated on a vehicle body 11, as a rate to a turnable range defined between the state that it is seated and a body-up shockless position, on the basis of a turning angle detected by the body angle sensor 16. The IDU 26 displays the angle of inclination calculated by the CCU 22 to be zero percent when the body 12 is seated, and displays the angle of inclination calculated by the CCU 22 to be 100 percent when at the body-up shockless position.
摘要翻译：要解决的问题：允许容易地识别身体的倾斜角度。解决方案：自卸车1包括主体12，用于上下升起身体12的提升缸15，提升杆21和CCU 22 用于拉伸/收缩提升气缸15.自卸车1还包括具有体角传感器16和IDU26的身体提升状态通知装置2.CCU22计算从身体12座位的状态的倾斜角度基于由身体角度传感器16检测到的转动角度，在车身11上作为在其就座状态和身体无震动位置之间限定的可转动范围的速率.IDU 26显示角度当主体12就座时由CCU 22计算出的倾斜度为零，并且在身体不受震动位置时将由CCU 22计算的倾斜角度显示为100％。

9. 发明专利

JP2010174950A Travel drive apparatus for working vehicle 有权
标题翻译：用于车辆的旅行驾驶装置
公开(公告)号：JP2010174950A
公开(公告)日：2010-08-12
申请号：JP2009016660
申请日：2009-01-28
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： MURAHASHI TAKAYOSHI , MINOJIMA TOSHIKAZU , KUROSAWA TAKAO
IPC分类号： F16H57/04 , B60K6/46 , B60K7/00 , B60W10/30 , B60W20/00 , F16H1/28 , F16H57/02
CPC分类号： B60B11/06 , B60K7/0007 , F16H57/0435 , Y10T74/2188
摘要： PROBLEM TO BE SOLVED: To issue a warning when the temperature difference between the temperature of a lubricating oil detected by a temperature sensor before a lubricating pump is stopped and a warning temperature is within a range of a predetermined threshold value. SOLUTION: When the drive of the lubricating pump 46 is stopped to prevent the lubricating pump 46 from assuming an idling state, a determination is made as to whether a temperature difference (Toh-T) between the temperature T of the lubricating oil detected earlier by a temperature sensor 51 and a warning temperature Toh is equal to or lower than a predetermined threshold value α. When the temperature difference (Toh-T) is equal to or lower than the threshold value α, an "overheat" warning is issued to an operator of a dump truck 1. In consequence, even in a case where the temperature sensor 51 is provided on the discharge side of the lubricating pump 46 by being located on the outside of a wheel mounting tube 19, planetary gear reduction mechanisms 23, 31 and the like inside the wheel mounting tube 19 can be prevented from overheating by warning the operator of the vehicle. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：当在润滑泵停止之前由温度传感器检测到的润滑油的温度与警告温度之间的温度差在预定阈值的范围内时，发出警告。解决方案：当润滑泵46的驱动停止以防止润滑泵46处于空转状态时，确定润滑油的温度T之间的温差（Toh-T）早期由温度传感器51检测到，并且警告温度Toh等于或低于预定阈值α。当温差（Toh-T）等于或低于阈值α时，向自卸车1的操作者发出“过热”警告。因此，即使在提供温度传感器51的情况下通过位于轮安装管19的外侧的润滑泵46的排出侧，可以防止车轮安装管19内的行星齿轮减速机构23,31等因车辆的操作者而发生过热。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009241684A Electric drive vehicle 有权
标题翻译：电动车
公开(公告)号：JP2009241684A
公开(公告)日：2009-10-22
申请号：JP2008089167
申请日：2008-03-31
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： KIKUCHI TERU , SHIMADA KEIZO , NAKAJIMA YOSHIO , MINOJIMA TOSHIKAZU , YASUDA TOMOHIKO , IKIMI TAKASHI
IPC分类号： B60W10/08 , B60K6/46 , B60L3/00 , B60L11/14 , B60W20/00
CPC分类号： B60W20/10 , B60K6/46 , B60L15/06 , B60L2240/423 , B60L2240/441 , B60L2250/16 , B60W10/06 , B60W10/08 , B60W20/00 , B60W2510/0638 , B60W2540/10 , B60W2540/12 , B60W2710/0644 , B60W2710/083 , Y02T10/6217 , Y02T10/6286 , Y02T10/644 , Y10S903/93
摘要： PROBLEM TO BE SOLVED: To shorten a regulation period of travel performance, by measuring the travel performance under a vehicle stop condition, without requiring a testing facility such as a dynamo and a chassis dynamo, and a test course, in an electric drive vehicle. SOLUTION: This electric drive vehicle is provided with a power generator connected to an engine, a first converter connected to the power generator and for converting AC electric power output from the power generator into DC electric power, a second converter connected to the first converter and for converting DC electric power to AC electric power, a power consumption device connected to a DC circuit between the first converter and the second converter, and for consuming the DC electric power, an electric motor connected to the second converter, and wheels driven by an electric motor. The electric drive vehicle is provided with a first control mode for controlling an output of the electric motor, and a second control mode for controlling an electric power consumption consumed by the electric power consumption device, and the second control mode controls the electric power consumed in the electric power consumption device to simulate operations of the second converter and the electric motor in the first control mode. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了缩短行驶期间的规定期间，通过在车辆停止条件下测量行驶性能，而不需要诸如发电机和底盘发电机的测试设备以及测试过程，在电气驱动车辆。解决方案：该电动车辆设置有连接到发动机的发电机，连接到发电机的第一转换器和用于将从发电机输出的AC电力转换为直流电力的第二转换器，连接到发电机的第二转换器第一转换器，用于将直流电转换为交流电力;连接到第一转换器和第二转换器之间的直流电路，并消耗直流电的功率消耗装置，连接到第二转换器的电动马达和车轮由电动机驱动。电动车辆具有用于控制电动机的输出的第一控制模式和用于控制由电力消耗装置消耗的电力消耗的第二控制模式，并且第二控制模式控制消耗的电力所述电力消耗装置在第一控制模式中模拟所述第二转换器和所述电动机的动作。版权所有（C）2010，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式