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    • 8. 发明授权
    • Mounting system for increasing the wear life of a vibrating screen panel
    • 用于增加振动筛面板的磨损寿命的安装系统
    • US5006228A
    • 1991-04-09
    • US464929
    • 1990-01-16
    • Thomas A. AndersonRichard G. KalarReinhold S. MarkfeltWalter R. Wagner
    • Thomas A. AndersonRichard G. KalarReinhold S. MarkfeltWalter R. Wagner
    • B07B1/46
    • B07B1/46B07B1/4609B07B2201/02
    • Mounting system for substantially increasing the wear life of a screen panel which is adapted to be vibrated, utilizes elastomeric material, such as urethane, to isolate the vibrating mechanism from direct contact with the screen panel. An elastomeric wear strip is bonded to screen wires on the underside of the screen panel. A recessed channel formed in the bottom of the wear strip is adapted to engage an upper contact surface of a rigid vibrating bar member, while the side edges of the channel extend downwardly over the sides of the rigid vibrating bar member to prevent abrasive material which has passed through slots in the screen panel from entering the contact area between the recessed channel and the upper contact surface. The upper contact surface of the vibrating bar member is preferably covered with elastomeric material and crowned so as to cause the screen panel to become curved when its side edges are forced down by a pair of hold-down bars. Contact between the hold-down bars and the screen panel and contact between the ends of the vibrating bar member and the side walls of the screen box assembly is preferably made through layers of elastomeric material. The hold-down bars preferably include angled wedge-shaped portions on their upper surfaces which cooperate with angled brackets on the side walls of the screen box assembly to force the side edges of the screen panel downwardly. Flow diverter strips are provided at the ends of the screen panel to prevent material which has flowed through the screen slots from leaving the screen box.
    • 用于显着增加适于振动的筛板的磨损寿命的安装系统利用诸如聚氨酯之类的弹性体材料将振动机构与屏幕面板直接接触。 弹性耐磨条与屏幕底板上的丝网接合。 形成在耐磨条的底部的凹陷通道适于接合刚性振动杆构件的上接触表面,同时通道的侧边缘向下延伸超过刚性振动杆构件的侧面,以防止具有 穿过屏幕面板中的槽进入凹槽和上接触表面之间的接触区域。 振动杆构件的上接触表面优选地被弹性体材料覆盖并加盖,以便当其侧边缘被一对压紧杆压下时,使得屏幕面板变得弯曲。 压杆和筛板之间的接触和振动杆构件的端部与筛箱组件的侧壁之间的接触优选地通过弹性体材料层制成。 压紧杆优选地包括在其上表面上的成角度的楔形部分,其与屏幕盒组件的侧壁上的倾斜支架配合,以迫使屏幕面板的侧边缘向下。 在屏幕面板的端部设有流动分流器条,以防止流经屏幕槽的材料离开屏幕箱。