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公开(公告)号：US5669587A
公开(公告)日：1997-09-23
申请号：US603152
申请日：1996-02-16
申请人： Daniel W. Van Alstine , George E. Ludwick , George A. Bonner , Mark Hager , Charles M. Eggebrecht , Allen Baughman , Barry A. Taft
发明人： Daniel W. Van Alstine , George E. Ludwick , George A. Bonner , Mark Hager , Charles M. Eggebrecht , Allen Baughman , Barry A. Taft
摘要： There is provided an electric motor driven switch machine for positioning a railroad track at a switching point having rail point detection and indication mechanism. In particular, the detection and indication mechanism has a latch out mechanism that identifies a latch out condition when the railroad tracks are not at, or near, their proper positions before or after switching the railroad tracks. The detection and indication mechanism includes a four bar linkage which comprises a point detector bar, two cam followers, and a link arm assembly. The cam followers, supported in part by the link arm assembly, are connected to two point detector switches, so that the switch machine is operating when either one of these switches is closed or the railroad tracks are being switched. The latch out mechanism, located on the link arm assembly, may produce and indicate a latch out condition, thereby causing the two point detector switches to be held open until the railroad tracks are switched again from a remote location or at the switch machine. Optionally, a latch out switch may be added to the detection and indication mechanism in order to sustain the latch out condition and prevent the railroad tracks from being switched from a remote location until a safe condition is restored manually at the switch machine.
摘要翻译： 提供了一种用于在具有轨点检测和指示机构的切换点处定位铁轨的电动机驱动开关机。 特别地，检测和指示机构具有闩锁机构，当铁路轨道在铁路轨道切换之前或之后不在或接近其正确位置时，识别闩锁状态。 检测和指示机构包括四杆连杆，其包括点检测器杆，两个凸轮从动件和连杆臂组件。 由连杆臂组件部分支撑的凸轮从动件连接到两个点检测器开关，使得当这些开关中的任一个关闭或者铁路轨道被切换时，开关机器正在运行。 位于连杆臂组件上的闩锁机构可以产生和指示闩锁状态，从而使两点检测器开关保持打开，直到从远程位置或开关机器再次切换铁路轨道。 可选地，闩锁输出开关可以被添加到检测和指示机构，以便维持闩锁状态，并且防止铁路轨道从远程位置切换，直到在开关机器手动恢复安全条件。
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2.发明授权
公开(公告)号：US5494242A
公开(公告)日：1996-02-27
申请号：US293121
申请日：1994-08-19
CPC分类号： B61L5/06 , B61L5/02 , Y10T74/19056 , Y10T74/19614
摘要： A switch machine for railroad tracks is provided having a low vertical profile without increasing the axial length of existing switch machines. Also, the capability of being operated by an electric motor, hand crank or hand throw operation has been retained within these new dimensional constraints. A particular electric motor and gearbox combination permits a low overall profile due to its compact size. A worm gear shaft serves the dual purpose of driving a worm wheel and coupling to a hand crank, thus maintaining the low profile while increasing the functionality of the shaft. In addition, a hand throw drive shaft is provided adjacent to a crank drive shaft in order to provide a hand throw operation while further maintaining the low profile of the switch machine.
摘要翻译： 提供了一种用于铁轨的开关机，其具有低垂直轮廓，而不增加现有开关机器的轴向长度。 此外，通过电动机，手动曲柄或手动操作操作的能力已经被保留在这些新的尺寸限制内。 由于其紧凑的尺寸，特定的电动机和变速箱组合允许低的整体轮廓。 蜗轮轴用于驱动蜗轮并联接到手动曲柄的双重目的，从而在增加轴的功能的同时保持低轮廓。 此外，与曲柄驱动轴相邻设置有手动驱动轴，以便提供手动操作，同时进一步保持开关机器的低轮廓。
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公开(公告)号：US4668165A
公开(公告)日：1987-05-26
申请号：US844636
申请日：1986-03-27
申请人： George E. Ludwick
发明人： George E. Ludwick
CPC分类号： F01D17/162 , F05D2260/79
摘要： A variable vane assembly is disclosed which entails a vane arm which integrally engages with a vane stem without the use of threaded fasteners. The vane stem has a tip with parallel slots on opposite sides which are spaced below the end of the tip. At the end of the tip is an end slot which is perpendicular to the parallel slots. The tip of the vane stem has a ramped side parallel with the end slot. The vane arm is a flat wide metal strip that serves as the vane blade and integrally connects with the vane stem using two ears, which are turned inwards to engage with the parallel slots in the wave stem. Additionally, a central leaf exists between the two ears which turns downwards to fit in the end slot in the tip of the vane stem. The central leaf thereby acts as an axial retainer and allows the vane arm to be rotated with the rotation of the vane stem.
摘要翻译： 公开了一种可变叶片组件，其包括叶片臂，其与叶片杆整体接合而不使用螺纹紧固件。 叶片杆具有在相对侧上具有平行狭槽的尖端，其在尖端的端部下方间隔开。 尖端的端部是垂直于平行槽的端槽。 叶片杆的尖端具有与端部槽平行的倾斜侧面。 叶片臂是一个扁平的宽金属条，用作叶片叶片，并与两个耳朵一体地连接叶片杆，两个耳朵向内转动以与波纹杆中的平行槽相啮合。 另外，在两个耳朵之间存在中央叶片，两个耳朵向下转动以配合在叶片茎尖的端部槽口中。 因此，中心叶片用作轴向保持器并且允许叶片臂随着叶片杆的旋转而旋转。
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