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公开(公告)号：US5186333A
公开(公告)日：1993-02-16
申请号：US766789
申请日：1991-09-27
申请人： Bruce A. Pierson , William E. Lower
发明人： Bruce A. Pierson , William E. Lower
CPC分类号： E05B51/02 , B07B1/46 , B25B5/065 , E05C3/048 , E05B63/0052 , Y10T292/0849 , Y10T292/1082 , Y10T292/20
摘要： Disclosed is a clamp for securing the top cover of a screening machine. Clamping is not subject to galling or seizing and the force exerted is not temperature or displacement dependent. The clamp is air pressure operated, with super-atmospheric pressure being applied for clamping and venting to atmosphere or sub-atmospheric pressure being applied to release the clamp. The clamp is mounted for easy swing away movement when not in use so as to permit the top cover to be removed. Multiple clamps may be simultaneously operated from a common manifold.
摘要翻译： 公开了一种用于固定筛选机的顶盖的夹具。 夹紧不会磨损或卡住，施加的力不是温度或位移依赖。 夹具是空气压力操作的，超大气压被施加用于夹紧和排放到大气中或施加低于大气压力以释放夹具。 夹具被安装成不使用时容易摆动，以便允许顶盖被移除。 多个夹具可以从公共歧管同时操作。
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公开(公告)号：US4057492A
公开(公告)日：1977-11-08
申请号：US697318
申请日：1976-06-18
IPC分类号： B07B1/44
CPC分类号： B07B1/44 , Y10T74/18552
摘要： The screening motion of a screening machine is changed by adding ballast, while the machine is in operation, to selected closed compartments moving with the vibrating assembly. In the preferred embodiment, the ballast is added through flexible tubing which is inserted through ports that close with spring loaded oil hole caps. When the tubing is pulled from the ports, the caps snap closed to capture the ballast in the selected compartments.
摘要翻译： 筛选机的筛选运动通过在机器运行时通过添加镇流器改变为与振动组件一起移动的选定的封闭隔室。 在优选实施例中，通过柔性管道加入镇流器，该管道插入通过与弹簧加载的油孔盖关闭的端口。 当管道从端口拉出时，盖子卡扣关闭，以捕获所选隔间中的镇流器。
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公开(公告)号：US5301814A
公开(公告)日：1994-04-12
申请号：US961430
申请日：1992-10-15
CPC分类号： B07B1/42 , B07B1/38 , Y10T74/18344
摘要： The screening efficiency of a gyratory screening machine, of the type having a moving base, is significantly increased by mounting to the base a spring/mass system which is tuned so that operation of the machine drive produces amplified movement of the mass along at least one of two perpendicular axes on which the base moves. Movement of the mass reduces the net force on the base along the axis on which the mass oscillates. The reaction force of the machine drive on the base along the other of the two perpendicular axes may be offset by a rotary counterbalance operated by the drive. Movement of the base relative to the ground is thereby reduced, and movement of the screen deck relative to ground is increased. This both increases the effectiveness of the screening motion and decreases the total reaction force transmitted through the base.
摘要翻译： 具有移动底座的旋转筛选机的筛选效率通过将弹簧/质量系统安装到基座而显着增加，该弹簧/质量系统被调整为使得机器驱动器的操作产生沿着至少一个 两个垂直轴在基座上移动。 质量的运动减少了基体上沿着质量振荡轴线的净力。 沿着两个垂直轴中的另一个的机器驱动器在基座上的反作用力可能被由驱动器操作的旋转平衡平衡构成。 因此，底座相对于地面的移动减少，并且屏幕甲板相对于地面的运动增加。 这两者都增加了筛选运动的有效性，并降低了通过基底传递的总反作用力。
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公开(公告)号：US5069778A
公开(公告)日：1991-12-03
申请号：US611835
申请日：1990-11-13
CPC分类号： B07B1/4609 , B07B1/12 , B07B1/54
摘要： A screen deck having spaced, canted parallel slats which present screening slots between them, wherein the slats are mounted on pedestals that are positioned and aligned by parallel rods which extend transversely through the pedestals. The pedestals are spaced apart by spacers between them, the spacers being held in place by the rods. Slat mounting is facilitated and slot width uniformity is improved by use of the pedestals.
摘要翻译： 具有间隔开的倾斜平行板条的筛板，其在它们之间形成筛分槽，其中板条安装在基座上，所述基座通过横向延伸穿过基座的平行杆定位和对齐。 基座之间由间隔件间隔开，间隔件通过杆保持就位。 通过使用底座来促进板条安装并提高槽宽均匀性。
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公开(公告)号：US5730297A
公开(公告)日：1998-03-24
申请号：US565628
申请日：1995-11-27
摘要： A screening machine of the moving base type has an oscillating force reducer and a single counterbalance drive, with the weight of the drive counterbalance sized to underbalance the longitudinal reaction force exerted by the deck on the drive shaft, but to substantially overbalance the lateral reaction force exerted by the deck on the drive shaft. The weight of the force reducer, the spring constant of the spring which oscillates the force reducer, and overall cost are surprisingly reduced.
摘要翻译： 移动式底座的筛分机具有摆动力减速器和单个平衡驱动装置，其中驱动平衡重的重量大小使得甲板在驱动轴上施加的纵向反作用力不平衡，但是基本上使横向反作用力过度平衡 由甲板在驱动轴上施加。 力减速器的重量，使减速器振动的弹簧的弹簧常数和总成本惊人地减少。
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公开(公告)号：US4797204A
公开(公告)日：1989-01-10
申请号：US167959
申请日：1988-03-14
申请人： William E. Lower , Glenn J. Pogue
发明人： William E. Lower , Glenn J. Pogue
CPC分类号： G01N15/0272 , B07B1/185 , B07B1/22 , B07B1/46 , B07B13/07
摘要： An apparatus for automatic screen analysis of a granular material in which the material is screened from a polygonal drum which is divided crosswise into at least two chambers by a transverse partition. A first chamber has progressively coarser screens on each of its faces except one, which has a downward slanting ramp for transferring the sample into a second chamber. Particles are transferred or chuted into the second chamber after they have been screened on all the screens of the first chamber. The second chamber has screens progressively coarser than those in the first chamber, for making more cuts. This construction increases the number of graded screening surfaces available without requiring greater drum length or more sides.
摘要翻译： 一种用于自动筛分粒状材料的设备，其中材料从多边形鼓中筛分，该多边形鼓通过横向分隔物横向分成至少两个室。 第一室在其每个表面上具有逐渐粗糙的屏幕，除了一个，其具有用于将样品转移到第二室中的向下倾斜的斜面。 在第一个室的所有屏幕上被筛选之后，颗粒被转移或者流入第二室。 第二个房间的屏幕逐渐比第一个房间更宽，更多的削减。 这种结构增加了可分级筛分表面的数量，而不需要更大的鼓长度或更多的侧面。
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公开(公告)号：US4251354A
公开(公告)日：1981-02-17
申请号：US108290
申请日：1979-12-28
申请人： William E. Lower
发明人： William E. Lower
摘要： A screening machine having an improved seal operable between the stationary inlet and outlet conduits of the machine and the movable inlet and outlet ports of the screen enclosure. The improved seal comprises a low friction slideable ring movable relative to a slide surface on one or the other of the conduit or the screen enclosure.
摘要翻译： 一种具有改进的密封件的筛选机，其可操作在机器的固定入口和出口导管之间以及屏幕外壳的可移动入口和出口。 改进的密封件包括可相对于导管或屏幕外壳中的一个或另一个上的滑动表面移动的低摩擦滑动环。
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公开(公告)号：US4234416A
公开(公告)日：1980-11-18
申请号：US68908
申请日：1979-08-23
CPC分类号： B07B13/16
摘要： In a multiple deck screening machine, the feed material is divided into separate equal fractions as it falls into parallel vertical channels. Each channel serves a particular screen deck via a chute which diverts the respective fraction from the channel onto the screen. The lower chutes include widened portions that extend laterally from their respective channels into areas which are masked or closed above by overlying upper chutes, in order to provide flow areas onto the respective screens which are wider than the channels that feed them, and thereby provide better flow distribution onto the screens.
摘要翻译： 在多层筛选机中，饲料在分离成平行的垂直通道时被分成相等的分数。 每个通道通过滑槽将特定的屏幕卡片服务，该滑槽将相应的分数从通道转移到屏幕上。 下斜槽包括从其各自的通道横向延伸到上面通过覆盖上部斜槽而被掩蔽或闭合的区域的加宽部分，以便在相应的屏幕上提供比供给它们的通道更宽的流动区域，从而提供更好的 流量分布到屏幕上。
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公开(公告)号：US5165550A
公开(公告)日：1992-11-24
申请号：US691148
申请日：1991-04-25
申请人： Bruce A. Pierson , William E. Lower
发明人： Bruce A. Pierson , William E. Lower
摘要： Disclosed is a ball cleaner for a screening machine in which the ball cages are presented by a molded plastic insert having integral intersecting longitudinal walls and cross walls. The weight of material being screened on the screen which overlies the insert is not carried by the insert but rather by a separate support beneath it. The support comprises a peripheral frame and joists within the frame which directly underlie at least the longitudinal walls of the insert. The insert completely isolates the frame from the erosive action of the cleaning balls and can be replaced separately from the frame.
摘要翻译： 公开了一种用于筛选机的球形清洁器，其中球笼由具有整体相交的纵向壁和交叉壁的模制塑料插入件呈现。 在屏幕上被筛选的覆盖在插入物上的材料的重量不被插入件承载，而是由其下的单独的支撑件承载。 支撑件包括框架内的周边框架和托架，其直接位于至少插入件的纵向壁的下面。 插入件完全将框架与清洁球的侵蚀作用隔离开，并可与框架分开更换。
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公开(公告)号：US4814071A
公开(公告)日：1989-03-21
申请号：US28769
申请日：1987-03-23
申请人： William E. Lower
发明人： William E. Lower
CPC分类号： B29D22/023 , B07B1/46 , B07B13/16 , B29D23/001 , F16L11/18 , B07B2201/04 , Y10T403/315 , Y10T403/453
摘要： A flexible connector for screening machines comprises an assembly of a plurality of generally cylindrical, flexible collars. Each collar has an annular endwise bead on a first circumferential end and an annular endwise opening groove within an endwise surface of a second circumferential end. The collars are connected by applying force in an axial direction to adjacent and aligned collars to seat and secure the bead of one collar into the groove of an adjacent collar to form a tube along an axis of connection between a particle chute and a movable screen frame.
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