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公开(公告)号：US4483564A
公开(公告)日：1984-11-20
申请号：US404364
申请日：1982-08-02
申请人： David L. McDaniel
发明人： David L. McDaniel
CPC分类号： E21B19/10
摘要： A fail-safe knock-off block for use during the repair or servicing of oil well surface pumping equipment involving a longitudinally slotted pipe capped at each end by top and bottom pipe segments which are held in place concentric to the slotted pipe by a resilient handle. An inner handle on the slotted pipe allows the concentric caps to be rotated axially from an open position to a closed position, thus encircling the polish rod. The weight of the sucker rod string on the end caps during use compresses the end caps and resilient handle thus locking the safety block such that it can neither open nor come off the well head.
摘要翻译： 在油井表面抽油设备修理或维修过程中使用的故障安全排除块，包括纵向开槽的管道，每个端部由顶部和底部管段封闭，顶部和底部管段通过弹性把手保持在与槽管同心的位置 。 开槽管上的内手柄允许同心帽从打开位置轴向旋转到关闭位置，从而围绕抛光杆。 在使用期间，端盖上的抽油杆杆的重量压缩端盖和弹性手柄，从而锁定安全块，使得其既不能打开也不能从井口脱落。
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公开(公告)号：US4483563A
公开(公告)日：1984-11-20
申请号：US404834
申请日：1982-08-03
CPC分类号： B66C1/66 , B66C1/56 , Y10T403/7005
摘要： A device for handling an object such as a pipe comprising a cylindrical member, with four disposed adjacent one another elongate grooves or recesses in the peripheral direction in the surface thereof and extending in upward direction, with the first and last open at the bottom, and merging into one another at the top and bottom ends via trapezoidal grooves or recesses, the whole being adapted to receive and co-operate with at least one lug projecting from the surface of the pipe.
摘要翻译： 一种用于处理诸如管子的物体的装置，其包括圆柱形构件，四个彼此相邻地设置在其表面中的圆周方向上的细长凹槽或凹槽，并且在向上方向上延伸，第一和最后在底部打开; 在顶端和底端通过梯形槽或凹槽彼此合并，整体适于接收和与从管表面突出的至少一个突出部配合。
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公开(公告)号：US4471989A
公开(公告)日：1984-09-18
申请号：US324386
申请日：1981-11-12
申请人： Richard J. Taylor
发明人： Richard J. Taylor
CPC分类号： B66C1/101
摘要： A telescope spreader for lifting loads of various lengths i.e. load-holders or containers, comprising a main beam (20) and within its longitude at least two opposingly movable telescope beams (21 and 22). These have at their outer ends means (23) for coupling to the load to be lifted. The main beam (20) has extensions (28) at its upper gable ends which extend out almost as far as that on the same side telescope beam's (22) outer end when that telescope beam (22) is in its innermost position. Each extension (28) is designed to accept the extended inner end (27) or that in the opposite direction extensible telescope beam (21) when in its innermost portion. By the invention the forces P.sub.1, P.sub.2 working upon the main beam are reduced thus rendering the beam a lighter weight.
摘要翻译： PCT No.PCT / SE81 / 00115 Sec。 371日期1981年11月12日 102（e）日期1981年11月12日PCT提交1981年4月13日PCT公布。 出版物WO81 / 03013 日期：1981年10月29日。一种望远镜吊具，用于提升各种长度的负载，即负载支架或容器，包括主梁（20）和其经度至少两个相对可移动的望远镜梁（21和22）内。 它们在其外端具有用于联接到要提升的负载的装置（23）。 当该望远镜梁（22）处于其最内位置时，主梁（20）在其上山形端部处具有延伸部（28），其延伸远离同一侧望远镜梁（22）外端的延伸部分（28）。 每个延伸部（28）被设计成在其最内部分接受延伸的内端（27）或相对方向的可伸缩望远镜梁（21）。 通过本发明，在主梁上工作的力P1，P2减小，从而使梁更轻。
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公开(公告)号：US4456292A
公开(公告)日：1984-06-26
申请号：US290312
申请日：1981-08-05
申请人： Jochen Haeusler , Horst Friemert , Remi Kutchukian
发明人： Jochen Haeusler , Horst Friemert , Remi Kutchukian
CPC分类号： H01F7/206 , B66C1/06 , H02K41/025
摘要： An arrangement for gripping metallic workpieces formed of ferromagnetic materials or electrically highly conductive materials, by means of electromagnetic forcs. In one embodimet, two linear-motor stators perform as gripping elements by producing travelling fields which exert gripping forces on the workpieces. The linear-motor stators may be configured to conform to the geometry of the workpieces, and are supported by at least one gripper arm.
摘要翻译： 用于通过电磁工件夹持由铁磁材料或高导电性材料形成的金属工件的装置。 在一个实施例中，两个线性电动机定子通过产生在工件上施加夹紧力的行进区域来执行作为夹紧元件。 线性电机定子可以被配置成符合工件的几何形状，并且由至少一个夹持臂支撑。
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公开(公告)号：US4444426A
公开(公告)日：1984-04-24
申请号：US325426
申请日：1981-11-20
申请人： Richard J. Taylor
发明人： Richard J. Taylor
CPC分类号： B66C1/663
摘要： A locking device assembly or twistlock assembly for mounting into a lifting beam or spreader, for releaseable coupling to a container having at its top side corner castings incorporating oval openings. The spreader (2) has rotatable twistlocks (20) with oval locking heads (6) which in their open position (A) can be inserted into said openings and after being rotated approximately 90 degrees to a locking position (B) secure the corner castings to the twistlock heads (6) thereby coupling together the container and the spreader. Each twistlock (20) is mounted in a bearing house and is rotated by an operating device (5) which is releasably connected to a turning element (17) surrounding the end part (14) of the twistlock (20) and demountably but unturnably affixed to the twistlock (20), e.g. by a key (18). Each twistlock (20) below the end part (14) has an annular groove (13) for insertion of removable bearing elements (15, 16), e.g. a split bearing ring, forming a stop to the bearing house (3) of the twistlock for fixation of the shaft (20) to axial displacement at lifting. The turning element (17) is arranged to keep the bearing rings (15, 16) in their position in the groove (13) and also arranged to be fixed to axial displacement by interacting means (22-25) acting between the turning element (17) and its fixed surrounding parts, in the first place the bearing house (3), in such a way that the element is fixed axially at rotation within the working area (A-B), i.e. from the open position (A) to the locking position (B) and vice versa, but is released axially for freeing and removing the bearing rings (15, 16) at rotation outside the working area.
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公开(公告)号：US4404712A
公开(公告)日：1983-09-20
申请号：US315725
申请日：1981-10-28
申请人： Melvin M. Northe , Dean W. Larson
发明人： Melvin M. Northe , Dean W. Larson
IPC分类号： F16B45/06 , B66C1/00 , B66C1/12 , B66C1/14 , B66C1/22 , B66C1/34 , B66C1/40 , B66C13/46 , F16B45/00 , F16G11/14 , F16G11/00
CPC分类号： B66C1/34 , B66C1/12 , F16B45/00 , F16G11/143 , Y10T24/3916 , Y10T24/45963
摘要： A sling hook consisting of a bill portion of the lower end and a sleeve portion at the upper end where the sleeve portion is interrupted by a generally curved slot to permit twist installation of a wire rope sling.
摘要翻译： 一种吊钩，其由下端的纸币部分和上端的套筒部分组成，其中套筒部分被大致弯曲的槽中断，以允许钢丝绳吊索的扭转安装。
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公开(公告)号：US4395067A
公开(公告)日：1983-07-26
申请号：US277446
申请日：1981-06-25
申请人： Peter D. L. Robin
发明人： Peter D. L. Robin
CPC分类号： B66C1/18
摘要： A lifting assembly comprises a cloverleaf lifting sling in combination with a base of weldable plastics sheet material, the base having welds serving to hold the sling in its cloverleaf configuration.
摘要翻译： 提升组件包括与可焊接的塑料片材的基部组合的三叶草提升吊索，该基部具有用于将吊索保持在其三叶草构型中的焊缝。
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公开(公告)号：US4250478A
公开(公告)日：1981-02-10
申请号：US89251
申请日：1979-10-29
摘要： The lifting device consists of an outer magnetic yoke and internal pole pieces forming an anchoring or working surface, with secondary permanent magnetic elements located between the yoke and the aforementioned pole pieces. There is also a reversible permanent magnetic element which may be rotated manually on a parallel axis to the said pole pieces, between an operative position in which its magnetic field is parallel to that of said secondary magnetic elements, and an inoperative position in which the magnetic field is short-circuited.
摘要翻译： 提升装置由外部磁轭和形成锚固或工作表面的内部极片组成，其中次级永磁体位于磁轭和上述极片之间。 还有一个可逆永磁元件，其可以在平行于所述极片的轴线上手动旋转，在其中磁场平行于所述次级磁性元件的磁场的操作位置之间，以及不工作的位置， 字段短路。
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99.发明授权
公开(公告)号：US4248353A
公开(公告)日：1981-02-03
申请号：US21274
申请日：1979-03-16
CPC分类号： B66C1/00
摘要： Apparatus is provided for collecting drippings from a wet load carried by a crane having a carriage 14, 16 to which elements 10, 12, 18, 20, 22 for lifting loads are mounted for movement up to and down from a load carrying station beneath the carriage. The apparatus comprises supports 30 mounted dependent from the crane carriage along opposite sides of the load carrying station. A cradle 61 is pivotably suspended from the crane for pivotal movement about an axis passing through the load carrying station. Elements 34, 36, 38, 42, 44, 46, 52, 60 are included for pivoting the cradle between a lowered position beneath the load carrying station and a raised position beside the load carrying station.
摘要翻译： 提供了一种装置，用于从具有滑架14,16的起重机承载的潮湿负载中收集滴水，用于提升负载的元件10,12,18,20,22被安装成用于沿着载荷台下方的承载站移动 运输。 该装置包括从承载台的相对侧从起重机托架安装的支撑件30。 支架61可从起重机枢转地悬挂，以围绕穿过承载站的轴线枢转运动。 元件34,36,38,42,44,46,52,60包括用于在承载站下方的下降位置和承载站旁边的升高位置之间枢转托架。
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100.发明授权
公开(公告)号：US4239273A
公开(公告)日：1980-12-16
申请号：US964719
申请日：1978-11-29
CPC分类号： B66C3/005 , B66C3/16 , E02F3/3681 , E02F3/4135
摘要： The invention relates to a device for the rotary assembly of a member controlled by pressurized fluid, comprising a body presenting first and second shoulders opposite which are disposed first and second shoulders, with which is provided the member comprising an inner pipe opening into a groove disposed between this member and the body into which a main conduit, made in the body, opens out, while an inner conduit, made in the body, opens into the first shoulder of the body and is connected to the conduit, the pressure of the fluid contained in the conduit being capable of having such a value that the resultant thrust which is exerted on the first shoulder of the member has for its effect to cause the second shoulders to abut firmly on one another, effecting the locking of elements. One application of the invention is the production of a drag bucket with monitored rotation.
摘要翻译： 本发明涉及一种用于由加压流体控制的构件的旋转组件的装置，包括本体，其具有相对的第一和第二肩部，第一和第二肩部设置有第一和第二肩部，构件包括内部管道开口， 在该构件和主体之间形成有在主体中制成的主导管，其中在主体中制成的内导管打开到主体的第一肩部并且连接到导管，流体的压力 导管中容纳的能够具有这样的值，使得施加在构件的第一肩部上的所得到的推力用于使第二肩部彼此牢固地抵接，从而实现元件的锁定。 本发明的一个应用是生产具有监测的旋转的拖斗。
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