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189 条记录 (耗时 0.017 秒)

    Power tool for two step tightening of screw joints
    21.
    发明授权
    Power tool for two step tightening of screw joints 失效
    电动工具用于两步拧紧螺纹接头

    公开(公告)号：US4881435A

    公开(公告)日：1989-11-21

    申请号：US146711

    申请日：1988-01-21

    申请人： Gunnar C. Hansson

    发明人： Gunnar C. Hansson

    IPC分类号： B23P19/06 ,  B25B21/00 ,  B25B23/14 ,  B25B23/145 ,  B25B23/151

    CPC分类号： B25B21/008 ,  B23P19/065 ,  B25B23/141

    摘要： A power tool for two step tightening of screw joints comprising a housing (10; 50), a rotation motor supported in said housing (10; 50), an output spindle (13, 54) rotated by said motor and connectable to a screw joint to be tightened, a power transmission including a clutch means (16-18, 25; 58, 60, 67) incorporated between said motor and said output spindle (13; 54), and power supply means connecting said motor to a power source. The clutch means (16-18, 25; 58, 60, 67) comprises a shift means (31; 84, 85) by which the mode of operation of the clutch means (16-18, 25; 58, 60, 67) is shiftable between a torque responsive releasing action during the first, high speed step of the tightening process and a non-releasing action during the second, low speed step of the tightening process, and a release detecting means (23; 83) associated with said clutch means (16-18, 25; 58, 60, 67) and arranged to act upon said power supply means to cause at least a substantial reduction in the power supply to the motor as said clutch means (16-18, 25; 58, 60, 67) is released during the first, high speed step of the tightening process.

    Rotating driver with automatic speed and torque switching
    22.
    发明授权
    Rotating driver with automatic speed and torque switching 失效
    旋转驱动器具有自动速度和扭矩切换

    公开(公告)号：US4869139A

    公开(公告)日：1989-09-26

    申请号：US64182

    申请日：1987-06-19

    申请人： Alexander S. Gotman

    发明人： Alexander S. Gotman

    IPC分类号： B25B21/00 ,  B25B23/147 ,  B25B23/157

    CPC分类号： B25B23/147 ,  B25B21/008

    摘要： A driver with automatic speed and torque switching including two different drive trains which operate in parallel and are driven at the same time by a motor. One drive train provides a high-speed output while the other provides a low-speed output. A single drive head for transmitting torque to the nut is normally coupled to the high-speed output, and not to the low-speed output. The machine operates initially at the high speed for the "free rotation" of the nut. When the nut contacts the surface of the structural body, the drive coupling to the high-speed output is disabled, and the low-speed output (which formerly was not coupled to the drive head) is not at the same time coupled to the drive head. The nut is then driven much more slowly but with a higher driving torque. Within the low-speed drive train there is included a friction clutch, and adjustment means for adjusting the level of torque at which it will slip. This clutch is therefore set for the predetermined counter-torque that is to cause driving rotation to be terminated.

    摘要翻译： 具有自动速度和转矩切换的驱动器，包括两个并联运行并由电机同时驱动的不同驱动列。 一个传动系提供高速输出，另一个提供低速输出。 用于将扭矩传递到螺母的单个驱动头通常耦合到高速输出，而不是耦合到低速输出。 机器最初以高速运行，用于螺母的“自由旋转”。 当螺母接触结构体的表面时，与高速输出相连的驱动器被禁用，低速输出（以前未耦合到驱动头）不同时耦合到驱动器 头。 然后，螺母被驱动得更慢，但驱动扭矩更高。 在低速传动系中，包括摩擦离合器和用于调节其将滑动的扭矩水平的调节装置。 因此，该离合器设定为使得驱动旋转终止的预定的反转矩。

    Two-speed power tool
    23.
    发明授权
    Two-speed power tool 失效
    双速电动工具

    公开(公告)号：US4834192A

    公开(公告)日：1989-05-30

    申请号：US63587

    申请日：1987-06-17

    申请人： Gunnar C. Hansson

    发明人： Gunnar C. Hansson

    IPC分类号： B23Q5/14 ,  B25B21/00 ,  B25B23/157

    CPC分类号： B23Q5/142 ,  B25B21/008

    摘要： A two-speed power tool having a rotation motor supported in a housing (10) and driving an output spindle via three planetary reduction gears (13, 25, 22). The ring gear (17) of a first planetary gear (13) is rotatable relative to the housing (10) as well as axially displaceable between a high speed position and a low speed position. A friction coupling (37) is associated with the housing (10) and the ring gear (17) of the first planetary gear (13) to lock the latter against rotation either relative to the planet wheel carrier (16) of the first planetary gear (13) when occupying its high speed position or relative to the housing (10) when occupying its low speed position. The ring gear (22) of a second planetary gear (19) which is located after the first planetary gear (13) is rotatable relative to the housing (10) and cooperates with a cam (40, 41) to shift the first planetary gear ring gear (17) against the action of a spring (32) from the high speed position to a low speed position as a certain reaction torque threshold level in the second planetary gear ring gear (22) is exceeded. The cam (40, 41) also provides a torque responsive release function which comes into operation at a reaction torque level corresponding to the desired maximum output torque of the tool.

    摘要翻译： 一种双速电动工具，其具有支撑在壳体（10）中的旋转电动机，并且经由三个行星减速齿轮（13,25,22）驱动输出主轴。 第一行星齿轮（13）的齿圈（17）可相对于壳体（10）旋转，并且可在高速位置和低速位置之间轴向移动。 摩擦联接器（37）与第一行星齿轮（13）的壳体（10）和环形齿轮（17）相关联，以将其摩擦联接器（37）相对于第一行星齿轮（13）的行星轮架（16） （13）当占据其高速位置时或相对于壳体（10）占据其低速位置时。 位于第一行星齿轮（13）之后的第二行星齿轮（19）的齿圈（22）能够相对于壳体（10）旋转并与凸轮（40,41）配合以使第一行星齿轮 超过了在第二行星齿圈（22）中作为某个反作用转矩阈值水平的弹簧（32）从高速位置到低速位置的作用的环形齿轮（17）。 凸轮（40,41）还提供扭矩响应释放功能，其在对应于工具的期望的最大输出扭矩的反作用力矩水平下投入运行。

    Reversible torque converter
    24.
    发明授权
    Reversible torque converter 失效
    可逆变矩器

    公开(公告)号：US4649774A

    公开(公告)日：1987-03-17

    申请号：US652842

    申请日：1984-09-21

    申请人： Per J. Karlsson ,  Nils E. Sundstrom

    发明人： Per J. Karlsson ,  Nils E. Sundstrom

    IPC分类号： F16D43/20 ,  B25B21/00 ,  B25B23/14 ,  B25B23/157 ,  B25F5/00 ,  F16H3/54 ,  F16H3/74

    CPC分类号： F16H3/54 ,  B25B21/008 ,  B25B23/14 ,  B25F5/001

    摘要： The invention relates to a reversible torque converter which is intended as a auxiliary device for use in connection with pneumatic, electric and/or hand-operated tools or machines, or which is intended to be incorporated in such machines and tools as an integrated part thereof. The switching or change-over means comprises a radially acting coupling which includes a dogging plate (4) mounted on the input shaft (2), a dogging cage (8, 9) mounted on the output shaft (3), and coupling elements (23) which are active between the two dogging elements and which are arranged for movement between an inner position, corresponding to direct drive, and an outer position, corresponding to a gearing-down drive, when the outward shaft (3) is driven via a planetary gear system (7; 31, 32, 33; 34) which acts upon the coupling elements (8, 9). The coupling elements (23) are spring-biased (10, 11, 12) with a force which must be exceeded in order for a change-over to take place.

    摘要翻译： 本发明涉及一种可逆式液力变矩器，其旨在作为与气动，电动和/或手动操作的工具或机器结合使用的辅助装置，或旨在作为其整合部件结合在这种机器和工具中的辅助装置 。 切换或转换装置包括径向作用的联接器，其包括安装在输入轴（2）上的锁定板（4），安装在输出轴（3）上的锁定保持架（8,9）和联接元件 23），其在两个锁定元件之间有活动，并且当向外的轴（3）经由一个驱动轴（3）被驱动时，被布置成在对应于直齿轮驱动的内部位置和对应于齿轮传动驱动的外部位置之间运动 行星齿轮系统（7; 31,32,33; 34），其作用在联接元件（8,9）上。 耦合元件（23）具有弹簧偏压（10,11,12），其中必须超过这个力才能进行更换。

    Drive for nut runners with automatic stop
    25.
    发明授权
    Drive for nut runners with automatic stop 失效
    驱动自动停止的NUT跑步机

    公开(公告)号：US3589489A

    公开(公告)日：1971-06-29

    申请号：US3589489D

    申请日：1969-04-30

    申请人： PREMAG GMBH

    发明人： FEHLINGS HERBERT

    IPC分类号： B25B21/00 ,  F16D71/00 ,  B25B17/02 ,  F16H5/72

    CPC分类号： B25B21/008

    摘要： A nut runner adapted to run a threaded fastener into engagement with a workpiece, and then to tighten it to a final torque, determined by the angle through which the fastener is rotated. The nut runner comprises a reversible motor driving a driving shaft section. During rotation of the driving shaft section in a forward direction, it is directly connected through first releasable locking means with a driven shaft section driving the tool. When an initial torque is reached, the motor is reversed and the first releasable locking means released. Drive to the driven shaft section is continued via sun-and-planet gearing, the tubular sun gear of which carries an adjustable stop which engages with a stationary stop after predetermined angular displacement to thereby terminate the process.

    Systems and Methods for Customizing Fastener Tightness
    29.
    发明公开
    Systems and Methods for Customizing Fastener Tightness 审中-公开

    公开(公告)号：US20240359302A1

    公开(公告)日：2024-10-31

    申请号：US18656737

    申请日：2024-05-07

    申请人： Christopher V. Beckman

    发明人： Christopher V. Beckman

    IPC分类号： B25B23/147 ,  B25B21/00 ,  B25B23/00 ,  G01L5/24 ,  G01R33/028

    CPC分类号： B25B23/1475 ,  B25B21/008 ,  B25B23/0007 ,  G01L5/24 ,  G01R33/0283

    摘要： Improved techniques for customizing fastener tightness by monitoring and managing individual fasteners and fastener driver conditions within varying materials, are provided. In some aspects of the application, fastener tightness is monitored by a control system, and remedial actions are taken when a change in fastener tightness indicates damage or another adverse condition of the fastener or a material in which it is embedded. In other aspects, fastener seating is monitored by a control system, and remedial actions are taken when a change in fastener seating indicates damage or another adverse condition of the fastener or a material in which it is embedded. In some additional aspects, an actuator is located on board a fastener, and remedial actions are applied at the fastener, which may be in a remote location from the control system.