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1. 发明专利

JP2004345856A Leveling device for high lift work vehicle 审中-公开
公开(公告)号：JP2004345856A
公开(公告)日：2004-12-09
申请号：JP2003306262
申请日：2003-08-29
申请人： Aichi Corp , 株式会社アイチコーポレーション
发明人： NAKAYAMA TAKASHI , TAKEDA TSUTOMU , TAKAHASHI SHIGEO , AOKI HEIJI , YOSHIDA SEIO
IPC分类号： B66F9/06 , B66F9/22 , B66F11/04
摘要： PROBLEM TO BE SOLVED: To provide a leveling device for a high lift work vehicle capable of holding a work base horizontally when storing a boom.
SOLUTION: This leveling device 20 for the high lift work vehicle 1 has a vehicle body 2 capable of running, a swivel base 4 provided on the vehicle body 2, the boom 5 connected pivotally with the swivel base 4, and the work base 7 attached to a tip part of the boom 5. A rising control valve SV
2 controlling supply and discharge of hydraulic fluid and a leveling cylinder 53 arranged between the swivel base 4 and the boom 5 to hold the rising cylinder 52 and the work base 7 horizontally are connected in series through a first oil passage 61, a second oil passage 62, and a third oil passage 63. This leveling device has a boom storage detection actuator 56 detecting that the boom 5 is loaded on a boom receiver 9 and is stored and a third pilot check valve 91 opening a fourth oil passage 64 when detecting the storage of the boom 5.
COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2003286000A Battery type working vehicle 审中-公开
标题翻译：电池类型工作车
公开(公告)号：JP2003286000A
公开(公告)日：2003-10-07
申请号：JP2002093757
申请日：2002-03-29
申请人： Aichi Corp , 株式会社アイチコーポレーション
发明人： MOROTA TAKASHI , NAKAZAWA SHUNICHI , NAKAYAMA TAKASHI
IPC分类号： B60K1/04 , B60L11/12 , B60L11/18 , B66F9/075 , B66F9/24 , B66F11/04
CPC分类号： Y02T10/7005 , Y02T10/7077 , Y02T90/121
摘要： PROBLEM TO BE SOLVED: To provide a battery type working vehicle capable of obtaining power required for operating an electric tool and completely charging a battery without enlarging the whole vehicle. SOLUTION: This working vehicle comprises a generator 72 driven by an engine 71, a battery charger 74 for charging the battery 75 by using the power generated by the generator 72, a receptacle 55 for the electric tool connected with the electric tool D, and a power supply controller 73 switched between a first condition in which at least the power required for operating the electric tool D among the powers generated by the generator 72 is supplied to the receptacle for the electric tool 55 and a second condition in which all the power generated by the generator 72 is supplied to the battery charger 74. COPYRIGHT: (C)2004,JPO
摘要翻译：解决的问题：提供一种能够获得操作电动工具所需的电力并对电池完全充电而不扩大整个车辆的电池式作业车辆。解决方案：该工作车辆包括由发动机71驱动的发电机72，通过使用由发电机72产生的电力对电池75充电的电池充电器74，用于与电动工具D连接的电动工具的插座55 和电源控制器73之间切换，其中至少将由发电机72产生的功率中的电动工具D的操作所需的功率提供给用于电动工具55的插座的第一状态以及其中全部发电机72产生的电力被提供给电池充电器74.版权所有（C）2004，JPO

3. 发明专利

JP2004323236A Levelling device of vehicle for high lift work 审中-公开
公开(公告)号：JP2004323236A
公开(公告)日：2004-11-18
申请号：JP2003306341
申请日：2003-08-29
申请人： Aichi Corp , 株式会社アイチコーポレーション
发明人： NAKAYAMA TAKASHI , AOKI HEIJI
IPC分类号： B66F9/06 , B66F9/22 , B66F9/24 , B66F11/04
摘要： PROBLEM TO BE SOLVED: To prevent a leveling control from getting out of order by detecting the storage of a boom when the boom abuts on a boom rest.
SOLUTION: This levelling device 20 of a vehicle 1 for high lift work comprises the boom 5 installed on a runnable vehicle body 2, a working stand 7 mounted at the tip of the boom 5, the boom rest 9 mounted on the vehicle body 2 and allowing the boom 5 to storably put thereon, a leveling cylinder 53 horizontally holding the working stand 7 according to the derricking of the boom 5, and a derricking control valve SV
2 performing the supply and discharge control of hydraulic oil to and from the leveling cylinder. The device also comprises a boom storage detection switch 12 electrically detecting that the boom is storably put on the boom rest 9 and an oil path opening valve SV5 opening a third oil path 63 connecting the leveling cylinder 53 to the derricking control valve SV
2 when it is detected that the boom 5 is stored.
COPYRIGHT: (C)2005,JPO&NCIPI

4. 发明专利

JP2004322972A Outrigger device 审中-公开
公开(公告)号：JP2004322972A
公开(公告)日：2004-11-18
申请号：JP2003124228
申请日：2003-04-28
申请人： Aichi Corp , 株式会社アイチコーポレーション
发明人： NAKAYAMA TAKASHI
IPC分类号： B60S9/12 , B66C23/78 , B66F9/075
摘要： PROBLEM TO BE SOLVED: To provide an outrigger device mounted on a work vehicle to support a vehicle stably and capable of preventing a constituent member from protruding above a vehicle body frame and simplifying a structure.
SOLUTION: This outrigger device 1 is provided with an outrigger box 2 fixed on the vehicle body frame, an outrigger beam 3 combined with the outrigger box 2 in an insertion manner and telescopically arranged on an outer side in the direction of vehicle width of the vehicle body frame so as to expand and contract, and a jack post 5 connected with a front part of the outrigger beam 3 pivotally and turnable within a vertical face extending in the direction of vehicle width. A first abutting member 7 and a second abutting member 9 are arranged in the outrigger box 2, and a cam 8 is arranged on the jack post 5 to turn the jack post 5 by overhanging and storage operation of the outrigger beam 3.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2003074699A Control device for run drive of vehicle 有权
标题翻译：用于车辆行驶的控制装置
公开(公告)号：JP2003074699A
公开(公告)日：2003-03-12
申请号：JP2001269902
申请日：2001-09-06
申请人： Aichi Corp , 株式会社アイチコーポレーション
发明人： NAKAYAMA TAKASHI , OBA TAKAAKI , KOBAYASHI FUTOSHI , NAKAMORI YOSHIMASA , YAGISAWA YUICHI
IPC分类号： B60K17/10 , B62D11/04 , B66F9/06 , B66F9/075 , B66F9/22 , B66F11/04 , F16H39/02 , F16H61/456 , F16H61/44
CPC分类号： F16H61/4078
摘要： PROBLEM TO BE SOLVED: To enhance the straight running characteristic of a vehicle by supplying the same quantity of oil to a left and right hydraulic motors when the vehicle is in straight run.
SOLUTION: This control device 20 for the drive of vehicle run is composed of a left 22 and a right motor control valve 32 to perform control for supplying the hydraulic oil to the left and right hydraulic motors 23, 33 which drive a left and a right crawlers 12, 13 of the vehicle body, a communication oil passage 51 (51) to tie a right oil passage 24 (34) with a left oil passage 34 (35), a communication control valve 45 (55) to perform the opening/closing control of the communication oil passages, a running operation lever 18, and a controller 30 to perform the operational control of the motor control valves and communication control valves. The operations of the left and right motor control valves are controlled in compliance with the turning of the running operation lever so that the drive of running is conducted, and the communication oil passages are opened by the communication control valves when the operation is made for straight run, while the communication oil passages are shut by the communication control valves when the operation is made for cornering.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过在车辆直行时向左右液压马达供给相同量的油来提高车辆的直行特性。解决方案：用于驾驶车辆行驶的控制装置20由左侧电动机控制阀32和右侧电动机控制阀32构成，以对左右驱动左右液压马达23,33供给液压油的控制用于将右油路24（34）与左油路34（35）连接的连通油路51（51），连通控制阀45（55），以进行开/ 关闭控制通信油路，运行操作杆18和控制器30，以执行马达控制阀和通信控制阀的操作控制。左右电动机控制阀的动作根据行驶操作杆的转动进行控制，使得行驶的驱动被传导，并且当对直线进行操作时，连通油路由连通控制阀打开运行时，当进行转弯操作时，通信油路被通信控制阀关闭。

6. 发明专利

JP2003020197A Leveling device 审中-公开
标题翻译：水平装置
公开(公告)号：JP2003020197A
公开(公告)日：2003-01-21
申请号：JP2001207306
申请日：2001-07-09
申请人： Aichi Corp , 株式会社アイチコーポレーション
发明人： NAKAYAMA TAKASHI , FURUSHO HIROSHI , NAKAMORI YOSHIMASA
IPC分类号： B66F9/06 , B66F9/22 , B66F11/04
摘要： PROBLEM TO BE SOLVED: To provide a leveling device which displays an excellent leveling performance even for a low flow emergency pump without requiring complex setting conditions, fine adjustment, etc.
SOLUTION: A derricking cylinder interlocking type leveling device is constituted in such a way that a leveling member, which is rocked by a leveling cylinder 53, is pivotally connected to the tip section of a boom hoisted by a derricking cylinder 52. A bottom end oil chamber 52a of the derricking cylinder 52 is connected to a flow passage selector valve SV
2 through a first oil passage 61, and a rod end oil chamber 52b of the derricking cylinder 52 and a bottom end oil chamber 53a of the leveling cylinder 53 are connected to each other through a second oil passage, and a rod end oil chamber 53b of the leveling cylinder 53 and the flow passage selector valve SV
2 are connected to each other through a third oil passage 63. The first oil passage 61 is provided with a counter balance valve 71, which holds the pressure of the derricking cylinder 52, and the pilot pressure to open and close the valve 71 is led by the fourth oil passage 64 connected to the second oil passage 62.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种即使对于低流量应急泵而言也能显示优异的调平性能的调平装置，而不需要复杂的设定条件，微调等。解决方案：一种升降气缸联锁式调平装置，由调平圆筒53摆动的调平构件枢转地连接到由升降缸52提升的起重臂的末端部分。升降气缸52的底端油室52a连接到流路切换阀SV2 通过第一油路61和升降缸52的杆端油室52b和调平缸53的底端油室53a通过第二油路彼此连接，杆端油室53b 平衡缸53和流路切换阀SV2通过第三油路63相互连接。第一油路61设置有平衡阀71 其保持升降缸52的压力，并且用于打开和关闭阀71的先导压力由连接到第二油路62的第四油路64引导。

7. 发明专利

JP2003130002A DEVICE OF CONTROLLING HYDRAULICALLY OPERATED INSTRUMENT 审中-公开
公开(公告)号：JP2003130002A
公开(公告)日：2003-05-08
申请号：JP2001329236
申请日：2001-10-26
申请人： AICHI CORP KK
发明人： MOROTA TAKASHI , NAKAZAWA SHUNICHI , NAKAYAMA TAKASHI , YOSHIDA SEIO
IPC分类号： F15B11/00
摘要： PROBLEM TO BE SOLVED: To optionally set up both of an energy-saving mode and a response mode. SOLUTION: A controlling device comprises an outlet 35 for low pressured oil, a pressured oil booster B, an outlet 34 for high pressured oil taking out amplified pressured oil from the pressured oil booster, a booster/attachment changing valve 32 selectively supplying pressured oil of a pressured oil supplying source to the outlet for low pressured oil and pressured oil booster, a booster operating lever 42, a booster/attachment changing switch 41, a controller 40 performing operating control of the pressured oil booster and booster/attachment changing valve, and a mode changing switch 43 selectively setting the energy- saving mode and response mode. When the booster/attachment changing switch 41 is operated to a side in which pressured oil is supplied to the pressured oil booster, pressured oil supply is not performed to the pressured oil booster in the energy-saving mode, but it is performed to the pressured oil booster in the response mode.

8. 发明专利

JP2002242905A DRIVING CIRCUIT FOR HYDRAULIC TOOL 失效
公开(公告)号：JP2002242905A
公开(公告)日：2002-08-28
申请号：JP2001041893
申请日：2001-02-19
申请人： AICHI CORP KK , IZUMI PROD CO
发明人： NAKAYAMA TAKASHI , TSUKIOKA TARO , KIDO HIROAKI
IPC分类号： B23Q5/06 , F15B11/028 , F16K1/14 , F16K15/04
摘要： PROBLEM TO BE SOLVED: To prevent malfunction of a hydraulic tool by leak of an operation oil without interrupting a normal operation of the hydraulic tool. SOLUTION: A leak valve 60 is provided in a connecting oil passage 111 connecting a hydraulic supply portion 1 having a hydraulic pump 3, with a clamp tool 90 driven by an oil pressure supplied from the hydraulic supply portion 1. The leak valve 60 operates to open an oil passage 113 connected to an oil tank 5 from a connecting oil passage 111, when a pressure in the connecting passage 111 is smaller than a minimum pressure required for the clamp tool 90 to be driven, and to close operation of the oil passage 113, when the pressure in the connecting oil passage 111 is not less than the minimum pressure required for the clamp tool 90 to be driven.

9. 发明专利

JP2002156039A SAFETY DEVICE OF HYDRAULIC TRAVELING VEHICLE 失效
公开(公告)号：JP2002156039A
公开(公告)日：2002-05-31
申请号：JP2000329075
申请日：2000-10-27
申请人： AICHI CORP KK
发明人： MORI KOICHIRO , NAKAJIMA NORIYOSHI , NAKAYAMA TAKASHI , KAMEI KENJI , TAKAHASHI SHIGEO , KOBAYASHI FUTOSHI , MOMOSE FUMIYA , IINUMA AKIHIKO , ESHITA TAKAYUKI , OIKAWA TOMOHARU , MURAYAMA KOICHI , SUDA MOTOAKI
IPC分类号： B66F9/075 , B66F9/22 , F16H59/66 , F16H61/18 , F16H61/40 , F16H61/42 , F16H61/421
摘要： PROBLEM TO BE SOLVED: To provide a safe hydraulic traveling vehicle prevented from running downhill even if a speed range is erroneously selected in a steep slope. SOLUTION: An operating device 20 of the hydraulic traveling vehicle is provided with a speed range selection switch 22 for selecting a traveling speed range for operation, and a control unit 30 outputs a command signal to an engine speed control circuit 41 and a motor capacity select valve 42 according to a speed range signal input from the switch 22 to change the hydraulic pump rotational frequency and the capacity of a traveling motor, and sets the speed range. The control unit 30 has a speed range regulating circuit 32, which regulates setting of a speed range where the capacity of the traveling motor is a small capacity (low torque state) when an angle of inclination of a car body inputted from an inclination angle detector 70 is higher than a designated inclination angle and sets the speed range with a large capacity (high torque state).

10. 发明专利

JPH11180698A SAFETY DEVICE FOR WORK MEANS 失效
公开(公告)号：JPH11180698A
公开(公告)日：1999-07-06
申请号：JP35474197
申请日：1997-12-24
申请人： AICHI CORP KK
发明人： NAKAYAMA TAKASHI
IPC分类号： B66F9/22 , B66F9/24 , B66F11/04
摘要： PROBLEM TO BE SOLVED: To stop the operation of a hydraulic actuator by relieving a hydraulic oil by a suitable relief pressure when the operation of a work means is forcibly stopped during the operation of the work means to be driven by the hydraulic actuator. SOLUTION: An electromagnetic proportional relief valve R capable of changing relief pressure of hydraulic oil is provided in a supply oil passage L for connecting a hydraulic pump P to respective control valves 31 to 34. The relief pressure of the relief valve R is set to oil pressure higher than a hydraulic oil pressure by a specified pressure by a relief valve controller 27 on the basis of the hydraulic oil pressure stored in an hydraulic oil pressure storing unit 26. Moreover, the hydraulic oil pressure required to drive a hydraulic actuator such as a hydraulic expansion cylinder according to the operating state such as the derricking angle of the boom, detected by the detecting sensor 20 is stored in the hydraulic oil storing unit 26.

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