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    • 2. 发明申请
    • SAND LUMP CRUSHING DEVICE
    • 砂轮破碎装置
    • WO1981001252A1
    • 1981-05-14
    • PCT/US1980001454
    • 1980-10-30
    • CARBORUNDUM CO
    • CARBORUNDUM COBOWLING JROWE RCARPENTER J
    • B02C17/02
    • B22C5/10B02C17/14B02C19/16B22C5/04Y10S241/10
    • The device includes a tub (16) which is resiliently mounted and is provided with means for vibrating (21, 22) the same in a generally vertical direction parallel to a rear wall of the tub. The tub rear wall is hollow and is provided on the inner face with perforated crusher plates (37, 38). Sand flow through the crusher plates is down through the hollow rear wall and there is an upwardly directed airwash for the falling sand. The lower portion of the rear wall is in the form of a door mounted for swinging movement about a horizontal axis. The door is operated by a cylinder (47) having an axis parallel to the direction of vibration and the door is opened during the vibration of the tub so as to direct scrap and uncrushed lumps out through the lower portion of the rear wall in the same direction of salvaged sand flow. The crusher plates include a main wall (78) having elongated slots (81) forming the perforations and there are lugs (80) projecting forwardly from the main wall above and below the slots with the vertical dimensions of the lugs and slots and the spacing thereof being in accordance with the amplitude of intended vibration to provide a maximum crushing effect.
    • 该装置包括弹性安装的桶(16),并且设有用于在平行于桶的后壁的大致垂直方向上振动(21,22)的装置。 桶后壁是中空的,并且在内表面上设置有多孔的破碎机板(37,38)。 通过破碎机板的沙子通过中空的后壁向下流动,并且存在向上引导的用于落下的沙子的空气清洗。 后壁的下部是安装成围绕水平轴摆动的门的形式。 门由具有平行于振动方向的轴线的气缸(47)操作,并且在桶的振动期间门打开,以便将废料和未破碎的块通过后壁的下部引导出来 打捞砂流方向。 破碎机板包括具有形成穿孔的细长槽(81)的主壁(78),并且在凸缘和狭槽的垂直尺寸上具有从槽上方和下方的主壁向前突出的凸耳(80) 符合预期振动的幅度,提供最大破碎效果。