一种电磁控制的曳引轮制动器

Electromagnetic control traction sheave brake

Abstract

本实用新型涉及一种电磁控制的曳引轮制动器,所述曳引轮包括筒状轮体和与所述轮体同轴设置的中空筒状轴套,所述轮体和轴套之间通过垂直于所述轮体周向分布的若干辐条相连,其特征在于:包括倒锥形中空套、和外形与中空套内部形状相配合的倒锥形磁性顶块,所述中空套同轴设于顶块一侧,顶块的另一侧设有与顶块相互吸引的电磁铁,中空套侧壁上插设有能且只能径向移动的制动杆。本实用新型的一种电磁控制的曳引轮制动器,依靠电磁吸引制动曳引轮,依靠弹簧的回复力撤消制动力,结构简单,操作方便,同时制动定位准确,制动效果好。合理设置顶块伸入中空套的长度及制动杆伸入中空套的长度,有利于更好的控制各自的运动轨道方向,增强制动器稳定性。
The utility model relates to an electromagnetic control traction sheave brake. A traction sheave comprises a cylindrical sheave body and a hollow cylindrical shaft sleeve, wherein the hollow cylindrical shaft sleeve and the cylindrical sheave body are of the same shaft. The sheave body is connected with the shaft sleeve through a plurality of spokes, wherein the plurality of spokes are perpendicular to the sheave body and are distributed in a circumferential mode. The electromagnetic control traction sheave brake is characterized by comprising an inverted-cone hollow sleeve and an inverted-cone magnetic top block, wherein the outline of the inverted-cone magnetic top block is matched with the inner shape of the hollow sleeve. The hollow sleeve is arranged on one side of the top block in a coaxial mode. An electromagnet which is in mutual attraction with the top block is arranged on the other side of the top block. A braking bar which can only move along the radial direction is arranged on the side wall of the hollow sleeve in a penetrating mode. According to the electromagnetic control traction sheave brake, traction sheave braking is achieved by electromagnetic attraction and withdrawing of the traction sheave braking is achieved by restoring force of a spring. Therefore, the electromagnetic control traction sheave brake has the advantages of being simple in structure, convenient to operate, accurate in braking location and good in braking effect. Both the length that the top block is inserted into the hollow sleeve and the length that the braking bar is inserted into the hollow sleeve are reasonably adjusted. Moving track directions of the top block and the braking bar can be controlled easily. Stability of the brake is enhanced.

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-102774771-ANovember 14, 2012吴江信谊精密五金有限公司一种电磁控制的曳引轮制动器
    CN-102774771-BOctober 29, 2014吴江信谊精密五金有限公司一种电磁控制的曳引轮制动器