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    • 1. 发明授权
    • Blade apparatus and its control method in bulldozer
    • 铲土机及其在推土机中的控制方法
    • US5620053A
    • 1997-04-15
    • US378839
    • 1995-01-26
    • Nobuhisa KamikawaToshikazu OkadaHidekazu NagaseNaomi KobayashiHiroshi ItogawaNoriaki NamikiNorihisa MatsumotoShigeru Yamamoto
    • Nobuhisa KamikawaToshikazu OkadaHidekazu NagaseNaomi KobayashiHiroshi ItogawaNoriaki NamikiNorihisa MatsumotoShigeru Yamamoto
    • E02F3/84E02F3/85E02F9/20E02F9/22E02F3/76
    • E02F9/2292E02F3/7618E02F3/844E02F9/2004E02F9/2296
    • A hydraulic drive system for the pitch cylinders (4A, 4B) of a bulldozer blade apparatus can include (a) main hydraulic pumps (30A, 30B) and an assistant hydraulic pump (31) to make up the assistant hydraulic circuit, (b) variable displacement hydraulic pumps (21A, 21B), or (c) fixed displacement hydraulic pumps (30A, 30B) and a plurality of solenoid selector valves such that the pitch cylinders can be connected in series. The assistant hydraulic pump (31) is connectable to delivery lines of the main hydraulic pumps through an assistant solenoid selector valve (32) which is controlled by an external signal. The blade (10) can be formed so that a line (14) tangential to the lower edge of the curved panel of the blade is inclined rearwardly with respect to the front face (13) of the blade edge member (12). Earth-moving work can be performed by inclining the blade (10) rearwardly by an angle (.theta..sub.1) with respect to its posture in digging work, and earth-dumping work can be performed by inclining the blade (10) forwardly by an angle (.theta..sub.2) with respect to its posture in digging work. The coupling positions of the two pitch cylinders (4A, 4B) can be in asymmetrical relation to each other. Control signals can be provided by a blade lever (23), tilt/pitch changeover switch (24), and pitch speed changeover switch (25). The tilt/pitch changeover switch (24) and pitch speed changeover switch (25) can be replaced by pitch-dump selector switch (25A) and pitch-back selector switch (24A).
    • 用于推土机叶片装置的变桨缸(4A,4B)的液压驱动系统可以包括:(a)主液压泵(30A,30B)和辅助液压泵(31),以组成辅助液压回路;(b) 可变排量液压泵(21A,21B)或(c)固定排量液压泵(30A,30B)和多个电磁选择阀,使得变桨缸可以串联连接。 辅助液压泵(31)可通过由外部信号控制的辅助电磁换向阀(32)连接到主液压泵的输送管线。 叶片(10)可以形成为使得与叶片的弯曲面板的下边缘相切的线(14)相对于叶片边缘构件(12)的前表面(13)向后倾斜。 地面移动作业可以通过在挖掘作业中将叶片(10)相对于其姿势向后倾斜角度(θ1)来执行,并且可以通过将叶片(10)向前倾斜角度 (θ2)相对于其在挖掘工作中的姿势。 两个变桨缸(4A,4B)的联接位置可以彼此不对称。 控制信号可由叶片杆(23),倾斜/俯仰切换开关(24)和俯仰速度转换开关(25)提供。 俯仰/俯仰切换开关(24)和俯仰速度切换开关(25)可以由倾倒切换选择开关(25A)和俯仰式选择开关(24A)代替。
    • 2. 发明授权
    • Blade apparatus and its control method in bulldozer
    • 铲土机及其在推土机中的控制方法
    • US5799737A
    • 1998-09-01
    • US777619
    • 1996-12-31
    • Nobuhisa KamikawaNaomi KobayashiNoriaki NamikiNorihisa Matsumoto
    • Nobuhisa KamikawaNaomi KobayashiNoriaki NamikiNorihisa Matsumoto
    • E02F3/84E02F3/85E02F9/20E02F9/22E02F3/76
    • E02F9/2292E02F3/7618E02F3/844E02F9/2004E02F9/2296
    • A hydraulic drive system for the pitch cylinders (4A, 4B) of a bulldozer blade apparatus can include (a) main hydraulic pumps (30A, 30B) and an assistant hydraulic pump (31) to make up the assistant hydraulic circuit, (b) variable displacement hydraulic pumps (21A, 21B), or (c) fixed displacement hydraulic pumps (30A, 30B) and a plurality of solenoid selector valves such that the pitch cylinders can be connected in series. The assistant hydraulic pump (31) is connectable to delivery lines of the main hydraulic pumps through an assistant solenoid selector valve (32) which is controlled by an external signal. The blade (10) can be formed so that a line (14) tangential to the lower edge of the curved panel of the blade is inclined rearwardly with respect to the front face (13) of the blade edge member (12). Earth-moving work can be performed by inclining the blade (10) rearwardly by an angle (.theta..sub.1) with respect to its posture in digging work, and earth-dumping work can be performed by inclining the blade (10) forwardly by an angle (.theta..sub.2) with respect to its posture in digging work. The coupling positions of the two pitch cylinders (4A4B) can be in asymmetrical relation to each other. Control signals can be provided by a blade lever (23), tilt/pitch changeover switch (24), and pitch speed changeover switch (25). The tilt/pitch changeover switch (24) and pitch speed changeover switch (25) can be replaced by pitch-dump selector switch (25A) and pitch-back selector switch (24A).
    • 用于推土机叶片装置的变桨缸(4A,4B)的液压驱动系统可以包括:(a)主液压泵(30A,30B)和辅助液压泵(31),以组成辅助液压回路;(b) 可变排量液压泵(21A,21B)或(c)固定排量液压泵(30A,30B)和多个电磁选择阀,使得变桨缸可以串联连接。 辅助液压泵(31)可通过由外部信号控制的辅助电磁换向阀(32)连接到主液压泵的输送管线。 叶片(10)可以形成为使得与叶片的弯曲面板的下边缘相切的线(14)相对于叶片边缘构件(12)的前表面(13)向后倾斜。 地面移动作业可以通过在挖掘作业中将叶片(10)相对于其姿势向后倾斜角度(θ1)来执行,并且可以通过将叶片(10)向前倾斜角度 (θ2)相对于其在挖掘工作中的姿势。 两个变桨缸(4A4B)的联接位置可以彼此不对称。 控制信号可由叶片杆(23),倾斜/俯仰切换开关(24)和俯仰速度转换开关(25)提供。 俯仰/俯仰切换开关(24)和俯仰速度切换开关(25)可以由倾倒切换选择开关(25A)和俯仰式选择开关(24A)代替。
    • 3. 发明授权
    • Gear made of fiber reinforced resin and method for manufacturing same
    • 由纤维增强树脂制成的齿轮及其制造方法
    • US06591708B2
    • 2003-07-15
    • US09824176
    • 2001-04-02
    • Naomi KobayashiSyouji SawaiHiroshi Ueda
    • Naomi KobayashiSyouji SawaiHiroshi Ueda
    • F16H5512
    • B29C70/345B29C70/86B29L2015/003F16H55/06Y10S74/10Y10T74/19893Y10T74/19921Y10T428/24785Y10T428/31725
    • A gear made of fiber reinforced resin which is capable of being increased in durability and mechanical strength, as well as gear cutting characteristics. The gear is manufactured by arranging ring-like reinforcing fiber substrates and a metal bushing in a molding die and pouring thermosetting resin into the die to impregnate the reinforcing fiber substrates with the resin. The reinforcing fiber substrates are made by winding up a cylindrical body obtained by knitting an aramid fiber yarn along a central line thereof and then forming it into a ring-like shape. The reinforcing fiber substrates are pressed in a cold die so as to approach to a shape of the molding die, to thereby be formed into a rectangular shape in cross section. Then, the reinforcing fiber substrates are received together with the metal bushing in the molding die and then the thermosetting resin is poured into the molding die. The reinforcing fiber substrates each have a volume percentage of 30 to 65% and preferably 45 to 55% based on a volume of a resin molded member. A para-type aramid fiber and an organic fiber reduced in strength as compared with the aramid fiber are blended together to form a union yarn. The para-type aramid fiber has a mass percentage of 30% to 60% by mass and preferably 40% to 50% by mass based on a mass of the union yarn.
    • 由能够增加耐久性和机械强度以及齿轮切割特性的由纤维增强树脂制成的齿轮。 齿轮通过在成型模具中设置环形增强纤维基材和金属衬套并将热固性树脂倒入模具中来制造,以用树脂浸渍增强纤维基材。 增强纤维基材通过卷绕通过沿着其中心线编织芳族聚酰胺纤维纱线而获得的圆柱形体,然后将其形成为环状形状而制成。 增强纤维基材在冷模中被压制成接近成型模的形状,从而形成为截面为矩形的形状。 然后,将强化纤维基材与成型模具中的金属衬套一起收纳,然后将热固性树脂倒入成型模具中。 增强纤维基材的体积百分比相对于树脂成形体的体积为30〜65%,优选为45〜55%。 与芳族聚酰胺纤维相比,将对位芳族聚酰胺纤维和强度降低的有机纤维混合在一起形成接合纱。 对位芳族聚酰胺纤维的质量百分比为30〜60质量%,优选为40〜50质量%。
    • 4. 发明授权
    • Servo control device
    • 伺服控制装置
    • US07541763B2
    • 2009-06-02
    • US11271969
    • 2005-11-14
    • Ryuji AonoNaomi KobayashiTakeshi IidaTakamichi Ito
    • Ryuji AonoNaomi KobayashiTakeshi IidaTakamichi Ito
    • G05B11/01
    • H02P5/74B29C45/76
    • A servo control device includes a current supply unit for supplying a drive unit with a drive current for driving a target to be controlled; a first detector for detecting at least the drive current value; and a logical arithmetic section which introduces a current command determining the drive current for controlling the drive speed of the drive unit to move the target to be controlled to a predetermined position, and which introduces the drive current value fed back from the first detector. The logical arithmetic section outputs the current command to the current supply unit after correcting the current command by a digital logic process on the basis of the drive current value.
    • 伺服控制装置包括:电流供应单元,用于向驱动单元提供用于驱动要控制的目标的驱动电流; 用于至少检测所述驱动电流值的第一检测器; 以及逻辑运算部,其引入确定用于控制驱动单元的驱动速度的驱动电流的电流指令,以将要控制的目标移动到预定位置,并且引入从第一检测器反馈的驱动电流值。 逻辑运算部根据驱动电流值,通过数字逻辑处理对电流指令进行校正,将电流指令输出到电流供给部。
    • 5. 发明授权
    • Servo control device
    • 伺服控制装置
    • US07002315B2
    • 2006-02-21
    • US10438983
    • 2003-05-16
    • Ryuji AonoNaomi KobayashiTakeshi IidaTakamichi Ito
    • Ryuji AonoNaomi KobayashiTakeshi IidaTakamichi Ito
    • G05B11/32
    • H02P5/74B29C45/76
    • A servo control device comprises a current supply unit for supplying a drive unit with a drive current for driving a target to be controlled, a first detector for detecting at least the drive current value, and a logical arithmetic section. The logical arithmetic section introduces a current command determining the drive current for controlling the drive speed of the drive unit to move the target to a predetermined position, and introduces the drive current value fed back from the first detector. The logical arithmetic section outputs the current command to the current supply unit after converting the current command by a digital logic process on the basis of the drive current value by using a custom LSI.
    • 伺服控制装置包括用于向驱动单元提供用于驱动要控制的目标的驱动电流的电流供应单元,至少检测驱动电流值的第一检测器和逻辑运算部。 逻辑运算部引入确定用于控制驱动单元的驱动速度的驱动电流以将目标移动到预定位置的电流指令,并且引入从第一检测器反馈的驱动电流值。 逻辑运算部通过使用定制的LSI,根据驱动电流值,在通过数字逻辑处理对电流指令进行转换之后,将电流指令输出到电流供给部。
    • 7. 发明授权
    • Operator's room for work machine
    • 操作员工作机房
    • US06866332B2
    • 2005-03-15
    • US10819266
    • 2004-04-07
    • Yasuhiko TakeuchiNaomi KobayashiToshio Ibuki
    • Yasuhiko TakeuchiNaomi KobayashiToshio Ibuki
    • E02F9/16B62D25/08B62D33/06
    • B62D33/0617
    • An operator's room (cab) situated in a region above the power train of a work machine which has an opening for maintenance purposes formed passing through a floor frame and a lid member for closing off the opening installed on the floor frame, and which achieves both good quietness characteristics and good workability during servicing. In the operator's cab of the invention, the floor section of the floor frame has a hollow box-type structure, and the lid member has a hollow box-type structure which fits into the opening in the floor section of the floor frame, and furthermore, a sealing member for sealing a gap between the floor section of the floor frame and the lid member is provided.
    • 操作员室(驾驶室)位于工作机械的动力传动系上方的区域上,该工作机具有通过地板框架形成的用于维护的开口,以及用于封闭安装在地板框架上的开口的盖构件,并且实现了两者 良好的安静特性和良好的维修工作性。 在本发明的驾驶室中,地板框架的地板部分具有中空箱形结构,并且盖构件具有中空箱型结构,该中空箱型结构装配在地板框架的地板部分中的开口中,此外 设置用于密封地板框架的地板部分和盖部件之间的间隙的密封构件。
    • 9. 发明授权
    • Medium supplying apparatus
    • 中等供给装置
    • US06848849B2
    • 2005-02-01
    • US10652425
    • 2003-08-29
    • Naomi Kobayashi
    • Naomi Kobayashi
    • B65H5/06G03G15/00B41J11/58G03G15/23
    • G03G15/6511G03G2215/00586
    • The present invention provides a medium supplying apparatus that enables a user to easily remove medium and prevents medium from slanting or transferring improperly. The medium supplying apparatus comprises a first frame and a second frame that rotates freely with respect to the first frame. The first frame includes a first rotating section that rotates freely, a first fulcrum coupling section constructing a rotating fulcrum and a first lock coupling section. The second frame includes a pressing member, a second fulcrum coupling section constructing the rotating fulcrum by being coupled with the first fulcrum coupling section, and a second lock coupling section coupled selectively with the first lock coupling section. Because the first and second lock coupling sections are coupled selectively by relative movement, the second frame is locked or unlocked with respect to the first frame.
    • 本发明提供了一种能够使用户容易地移除介质并防止介质不正确地倾斜或转移的介质供给装置。 介质供给装置包括第一框架和相对于第一框架自由旋转的第二框架。 第一框架包括自由旋转的第一旋转部分,构成旋转支点的第一支点联接部分和第一锁定联接部分。 第二框架包括按压构件,通过与第一支点联接部分联接构成旋转支点的第二支点联接部分和与第一锁定联接部分选择性地联接的第二锁定联接部分。 由于第一和第二锁定耦合部分通过相对运动选择性地耦合,所以第二框架相对于第一框架被锁定或解锁。