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公开(公告)号：US4562389A
公开(公告)日：1985-12-31
申请号：US536194
申请日：1983-09-27
IPC分类号： B25B23/151 , B23P19/06 , B25B23/14 , B25B23/147 , H02H7/085 , H02P29/00 , H02P7/00
CPC分类号： H02H7/085 , B23P19/066 , B25B23/147 , Y02P70/185
摘要： To permit reliable turn-OFF of the motor when the torque of the motor is sufficient to provide for reliable seating of a screw or nut being driven thereby, start conditions of the motor are sensed, either in form of low-current condition or high power factor; high-torque conditions are sensed by low power factor, or high-current, in dependence on the desired torque level which results, respectively, in a comparatively steep phase angle-torque or current level-torque curve. A switch control is energized to turn-OFF the motor current if the phase angles, or the motor current, respectively, are beyond predetermined levels. To prevent in-rush current, or high power factors from affecting the operation of the turn-OFF system, timing circuits are provided to disable the turn-OFF system when the motor is first turned-ON or if the phase angle difference, as determined by time-comparator networks, between current and voltage, is below a predetermined value. Timing duration of at least one of the timing circuits can be controlled as a function of motor temperature to provide for linear response of the system, regardless of changes of motor operating parameter versus torque characteristics under varying motor temperature conditions.
摘要翻译： 为了允许马达的可靠关闭，当马达的扭矩足以提供由其驱动的螺钉或螺母的可靠安置时，电动机的起动条件以低电流状态或大功率的形式被感测 因子; 根据分别在相对较陡的相位角 - 转矩或电流电平 - 转矩曲线中产生的期望转矩水平，通过低功率因数或大电流检测高扭矩条件。 如果相位角或电动机电流分别超过预定水平，则开关控制器通电以关闭电动机电流。 为了防止浪涌电流或高功率因素影响关断系统的操作，提供定时电路以在电动机首次接通时禁止关闭系统，或者如果确定了相位角差 通过时间 - 比较器网络，在电流和电压之间，低于预定值。 可以根据电动机温度的不同来控制至少一个定时电路的定时持续时间，以提供系统的线性响应，而不管电动机工作参数对变化的电动机温度条件下的转矩特性的变化。
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公开(公告)号：US4463293A
公开(公告)日：1984-07-31
申请号：US477624
申请日：1983-03-22
摘要： A power screwdriver that is equipped with a spring coupling between the motor drive and the tool spindle, a signal that indicates that a certain value of torque has been overstepped, at which the screwdriver must be sopped, first causes reversal of the motor, but before the motor appreciably turns in the reverse direction, powers shut-off, allowing the motor to coast. After another brief interval, power is reapplied to the motor in the original direction, again briefly. In this way it is possible for the final shut-off to occur when the motor is stopped and the spring is unstressed, avoiding oscillations of the motor-spring system. A triac bridge circuit makes possible quick reversals and brief applications of power. In such a bridge circuit, precautions must be taken to be sure one pair of triacs is extinguished before the other pair is ignited.
摘要翻译： 一个电动螺丝传动装置，在电动机驱动器和工具主轴之间配有一个弹簧联轴器，一个指示扭矩已经超过某一特定值的信号，螺丝刀必须在其上被挤压，首先会引起电机的反转，但之前 电机明显转向相反方向，电源关闭，允许电机滑行。 在另一短暂的时间间隔之后，再次简单地向原始方向重新施加电动机。 以这种方式，当电机停止并且弹簧不受应力时，可能发生最终关断，避免电机 - 弹簧系统发生振动。 三端双向可控硅开关桥电路可以实现快速反向和功率的简单应用。 在这样一个桥接电路中，必须注意确保一对三端双向可控硅开关在另一对点火之前熄灭。
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公开(公告)号：US4497354A
公开(公告)日：1985-02-05
申请号：US617842
申请日：1984-06-06
申请人： Martin Kummer , Uwe Krieg , Wolfgang Jundt , Werner Rieker , Fritz Schadlich , Gunter Schaal
发明人： Martin Kummer , Uwe Krieg , Wolfgang Jundt , Werner Rieker , Fritz Schadlich , Gunter Schaal
CPC分类号： B27C1/10 , B23Q11/0078 , B23Q11/0096
摘要： To reduce operating noise, and particularly the impact of sound pressure waves on the internal structure of the planing machine, the edges defining separating walls against which sound waves may impinge are inclined with respect to the axis of rotation of the cutter (16) or a theoretical line (46) parallel thereto, thereby extending the time of impact of individual pressure waves emanating from the cutter of incremental surface areas of the respective edges (26, 48, 50; 42, 52, 54; 30) to simultaneously attenuate the impact of the pressure waves and the timing of the impact.
摘要翻译： 为了减少操作噪音，特别是声压波对刨床内部结构的影响，限定声波可能撞击的分隔壁的边缘相对于切割器（16）的旋转轴线倾斜，或 理论线（46），从而延长从相应边缘（26,48,50; 42,52,54; 30）的增量表面积的切割器发出的各个压力波的冲击时间，以同时衰减冲击 的压力波和冲击的时机。
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公开(公告)号：US4458565A
公开(公告)日：1984-07-10
申请号：US427262
申请日：1982-09-29
申请人： Gunter Zilly , Erich Borst , Brigitte Hertell , Fritz Schadlich , Heinz Walz , Steffen Wunsch
发明人： Gunter Zilly , Erich Borst , Brigitte Hertell , Fritz Schadlich , Heinz Walz , Steffen Wunsch
IPC分类号： B25B23/157 , B25B23/14 , B25B23/147
CPC分类号： B25B23/147 , B25B23/141
摘要： A torque limiting power screwdriver includes a housing in which there is supported for rotation and axial displacement a screwdriver spindle. A transmission transmits power from a motor to the screwdriver spindle. A torque overload coupling and a separating coupling are interposed in the transmission, being operative for interrupting the transmission of torque from the motor to the screwdriver spindle. The separating coupling is coupled and uncoupled in response to axial displacement of the screwdriver spindle between its coupling and uncoupling positions. The axial movement of the spindle is accomplished by a trigger movably mounted on the housing and connected by a Bowden cable or a lever transmission to the spindle. The spindle is connected by an axially movable coupling with an output member, especially with a bevel gear transmission accommodated in an angular head housing portion. A switching trigger is used to energize and de-energize the motor. The trigger and the switching trigger can be combined into a trigger unit, thus making possible one-hand operation. The trigger and switching trigger are so constructed and arranged that they force the succession of energization of the motor and coupling of the separating coupling during the commencement of operation, and the succession of uncoupling the separating coupling and de-energization of the motor during the termination of operation.
摘要翻译： 扭矩限制电动螺丝刀包括一个壳体，其中支撑有旋转和轴向位移的螺丝刀主轴。 变速器将电动机从电动机传递到螺丝刀主轴。 扭矩过载联接器和分离联轴器插入变速器中，用于中断从电动机到螺丝刀主轴的转矩传递。 分离联接器响应于螺丝刀主轴在其联接和解耦位置之间的轴向位移而联接和分离。 主轴的轴向运动通过可移动地安装在壳体上的触发器来实现，并通过鲍登缆绳或杠杆传动器连接到主轴。 主轴通过与输出构件的轴向移动的联接件连接，特别是与容纳在角度头壳体部分中的锥齿轮传动装置连接。 开关触发器用于给电机通电和断电。 触发器和开关触发器可以组合成一个触发单元，从而使单手操作成为可能。 触发和切换触发器被构造和布置成使得它们在操作开始期间迫使电动机的连续通电和分离耦合的耦合，并且在终止期间连续地解耦电动机的分离耦合和断电 的操作。
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公开(公告)号：US4392093A
公开(公告)日：1983-07-05
申请号：US233587
申请日：1981-06-04
CPC分类号： H02P25/10 , Y10S388/919 , Y10S388/922
摘要： An electronic control and regulating system for AC-operated appliances, especially universal motors and with symmetrical phase control. The control circuit includes among other things an inductive current-voltage converter 9, the primary side 8 of which is connected to the load current circuit and in which, in addition to the converter function, the inductivity of the secondary winding 10 is used and becomes a component of a resonant circuit 20 which is tuned approximately to the frequency of the AC voltage source. The feedback variable of the control system is formed by the resonant circuit voltage, i.e. the resonant circuit impedance, which depends not only on the magnitude of the load current but also on the phase angle of the load current. This quasi-resonance effect makes possible a direct influence of the trigger circuit which consists customarily of a trigger capacitor 13, a load resistor 11 and a trigger diode 15 and is possible without excessive use of additional circuit elements.
摘要翻译： PCT No.PCT / EP80 / 00038 Sec。 371日期：1981年6月4日 102（e）日期1981年1月27日PCT归档1980年6月28日PCT公布。 公开号WO81 / 01085 日期：1981年04月16日。一种用于交流电器的电子控制和调节系统，特别是通用电动机，具有对称的相位控制。 控制电路还包括感应电流 - 电压转换器9，其初级侧8连接到负载电流电路，并且除了转换器功能之外，使用次级绕组10的电感，并且变成 谐振电路20的分量近似地被调谐到交流电压源的频率。 控制系统的反馈变量由谐振电路电压即谐振电路阻抗形成，谐振电路电阻不仅取决于负载电流的大小，而且取决于负载电流的相位角。 这种准共振效应使触发电路的直接影响成为可能，触发电路通常由触发电容器13，负载电阻器11和触发二极管15组成，并且可以不过度使用额外的电路元件。
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公开(公告)号：US4673318A
公开(公告)日：1987-06-16
申请号：US531592
申请日：1983-09-12
申请人： Friedrich Hornung , Kurt Paule , Fritz Schadlich
发明人： Friedrich Hornung , Kurt Paule , Fritz Schadlich
CPC分类号： B23B45/02 , G01B5/08 , G01B7/12 , Y10T408/08 , Y10T408/165
摘要： A hand tool machine, in particular a drill machine, has a feeler device for determining the diameter of a tool element to be used with the hand tool machine. For measuring the tool elements prior to insertion into the clamping element of the hand tool machine, a feeler device is provided which is arranged separately from the clamping element and is connected with an indicator. The diameter determined by the feeler device is administered to a control unit which is controlling the driving motor. The control unit can also receive in addition further information concerning the material to be treated by means of an input device. In view of the measuring value with regard to the diameter of the tool element and the administered information concerning the material, the optimum rotary speed for the tool element and consequently for the driving motor is determined and adjusted.
摘要翻译： 一种手动工具机械，特别是钻机，具有用于确定与手动工具机器一起使用的工具元件的直径的探针装置。 为了在插入手动工具机的夹紧元件之前测量刀具元件，提供了一个与夹紧元件分开设置并与指示器连接的探针装置。 由测距装置确定的直径被施加到控制驱动电动机的控制单元。 控制单元还可以通过输入装置另外接收关于待处理材料的进一步信息。 考虑到关于工具元件的直径的测量值和关于材料的管理信息，确定和调整用于工具元件以及因此对于驱动电动机的最佳转速。
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公开(公告)号：US4515303A
公开(公告)日：1985-05-07
申请号：US503176
申请日：1983-06-10
CPC分类号： B25C1/06
摘要： To prevent bounce of a hammer or plunger element coupled to an insertion blade of a stapling or nailing gun upon return of the plunger element to rest position by a spring (11), the plunger element (4) is in cup shape, sliding about a hollow cylinder (6) which is vented to ambient air (8) at one end, but closed at its other end by a flap-type check valve (9). Upon downward movement of the plunger element, for example under electromagnetic force of a solenoid (2), air can flow freely from the vent opening (8) into the hollow interior and through the then open check valve (9); upon return movement under force of a spring (11), the flap valve (9) will close, however, thus forming an air cushion or air damper and preventing rapid, uncontrolled return of the plunger element to rest position, due to an air throttling path (19) between the outside of the hollow cylinder and the inner surface of the plunger element (4), said air throttling path being defined by the operating clearance between the plunger (4) and the hollow cylinder (6). The hollow cylinder (6) may be constructed as a guide element, unitary with the valve, and made of plastic, the valve being secured by a living hinge to the remainder of the hollow cylinder.
摘要翻译： 为了防止当弹簧（11）将柱塞元件返回到静止位置时，联接到装订或钉枪的插入刀片的锤或柱塞元件的弹跳，柱塞元件（4）处于杯状， 中空圆筒（6），其在一端被排放到环境空气（8），但在其另一端通过翼片式止回阀（9）封闭。 当柱塞元件向下移动时，例如在螺线管（2）的电磁力作用下，空气可以从通气孔（8）自由地流入中空的内部并通过打开的止回阀（9）。 然而，在弹簧（11）的作用下的返回运动时，瓣阀（9）将闭合，从而形成气垫或空气阻尼器，并且防止柱塞元件由于空气节流而快速，不受控制地返回到静止位置 在空心圆筒的外侧和柱塞元件（4）的内表面之间的路径（19），所述空气节流路径由柱塞（4）和中空圆柱体（6）之间的操作间隙限定。 中空圆柱体（6）可以构造为与阀一体并且由塑料制成的引导元件，阀由活动铰链固定到中空圆柱体的其余部分。
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公开(公告)号：US4382458A
公开(公告)日：1983-05-10
申请号：US167326
申请日：1980-07-10
IPC分类号： B27G13/04
CPC分类号： B27G13/04
摘要： A planing tool has a cylindrical body with elongated axially extending grooves in which elongated inserts with planing members are received, adjusting screws extending in a radial direction and arranged to adjust the radial distance of the inserts from the axis of rotation of the body, clamping screws arranged to clamp the inserts in the elongated grooves, wherein each adjusting screws extends through an opening of the respective insert with play, and a spring element is located between a bottom wall of each of the grooves and a respective one of the inserts.
摘要翻译： 刨刀具有具有细长轴向延伸凹槽的圆柱体，其中容纳有具有刨削构件的细长插入件，调节螺钉沿径向方向延伸并且布置成调整插入件与主体旋转轴线的径向距离，夹紧螺钉 布置成将插入件夹紧在细长槽中，其中每个调节螺钉通过游隙的相应插入件的开口延伸，并且弹簧元件位于每个凹槽的底壁和相应的一个插入件之间。
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公开(公告)号：US4360048A
公开(公告)日：1982-11-23
申请号：US213545
申请日：1980-12-05
CPC分类号： B27C1/10
摘要： The power driven, hand operated plane of the type having a fixed front guiding plate adjoining the circular path of movement of the planing knife, and a vertically adjustable rear guiding plate controlled by an adjustment device assembled of a control disk mounted at one end of a screw spindle and projecting partially from the housing; the other end of the spindle engages a nut which is secured to the shoe by a preadjustment mechanism; a biasing spring presses the shoe against the nut; a dial provided on top of the control disk is visible to the user through a window in the housing.
摘要翻译： 具有邻接刨刀的圆周运动路径的固定前导板的动力驱动的手动平面以及由安装在一侧的控制盘组装的调节装置控制的可垂直调节的后导向板 螺杆主轴并从壳体部分突出; 主轴的另一端与通过预调节机构固定到鞋的螺母接合; 偏压弹簧将鞋抵靠在螺母上; 通过外壳中的窗口，用户可以看到设置在控制盘顶部的转盘。
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公开(公告)号：US4002959A
公开(公告)日：1977-01-11
申请号：US544692
申请日：1975-01-28
申请人： Fritz Schadlich , Friedrich Hornung
发明人： Fritz Schadlich , Friedrich Hornung
CPC分类号： H02P25/14
摘要： To reduce noise and idling speed of electric motors, particularly series motors, the speed-torque characteristic of the motor is dropped with respect to the loaded speed-torque characteristic, by sensing no-load operation of the motor and deriving a sensed signal, the sensed signal being applied to controlled switches to abruptly change the effective voltage applied to the motor between values corresponding to the no-load speed-torque characteristic, or the load speed-torque characteristic and resulting in the desired speed, in dependence on the value of the sensed signal. Preferably, the operating condition of the motor is sensed by an inductive transducer, and a speed change is obtained by phase control, or half-wave rectification.
摘要翻译： 为了降低电动机，特别是串联电动机的噪音和空转速度，电动机的速度 - 转矩特性相对于负载的转速 - 转矩特性下降，通过检测电动机的空载运行并导出感测信号， 感测信号被施加到受控开关以根据空载转速 - 转矩特性或负载转速 - 转矩特性突然改变施加到电动机的有效电压，其值对应于空载转速 - 转矩特性，并导致所需速度， 感测信号。 优选地，电感式传感器检测电动机的运行状态，通过相位控制或半波整流获得速度变化。
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