双制动式环链电动葫芦

Abstract

本发明涉及一种双制动式环链电动葫芦,所述电动葫芦包含有减速箱(1)、电机(2)、链条(3)、链轮(4)和吊钩(5),电机(2)与减速箱(1)的输入轴相连,链轮(4)套装于减速箱(1)的输出轴上,所述链条(3)一端缠绕在链轮(4)上,另一端与吊钩(5)相连,所述一级传动轮(1.6)通过螺纹旋置于第二轴(1.3)上,所述第二轴(1.3)上套装有制动盘(1.10),所述制动盘(1.10)由套筒(1.10.1)和设置于套筒(1.10.1)上的环状凸缘(1.10.2)构成,所述套筒(1.10.1)上活动套装有一棘轮机构(1.11),所述棘轮机构(1.11)的棘轮左右两侧面均设置有摩擦片(1.12)。本发明双制动式环链电动葫芦,具有双重保护功能。
The invention relates to a double-brake loop chain electric hoist which comprises a reduction gearbox (1), a motor (2), a chain (3), a chain wheel (4) and a lifting hook (5), wherein the motor (2) is connected with an input shaft of the reduction gearbox (1); the chain wheel (4) is sleeved on an output shaft of the reduction gearbox (1); one end of the chain (3) is wound on the chain wheel (4), and the other end is connected with the lifting hook (5); a first-level transmission wheel (1.6) is rotatably arranged on a second shaft (1.3) through thread; a brake disc (1.10) is sleeved on the second shaft (1.3) and composed of a sleeve (1.10.1) and an annular flange (1.10.2) arranged on the sleeve (1.10.1); a ratchet mechanism (1.11) is movably sleeved on the sleeve (1.10.1); and the left and right sides of a ratchet of the ratchet mechanism (1.11) are provided with a friction plate (1.12) respectively. The double-brake loop chain electric hoist provided by the invention has dual-protection function.

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    CN-104787692-AJuly 22, 2015江阴市鼎力起重机械有限公司固定式环链电动葫芦用减速器
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