Handheld electric grinder with shutdown braking device
一种停机制动、砂轮机的技术,应用在制动执行机构、制动器类型、轴向上制动器等方向,能够解决降低工作效率、增加工作危险性、易产生晃动等问题
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[0046] refer to Figure 2 to Figure 5 As shown, a hand-held electric grinder with a parking braking device provided by the first embodiment of the present invention mainly consists of a body 20, a rotating shaft unit 30, a brake disc 40, a braking device 50, and A power switch 60 is formed, wherein:
[0047] The body 20 is composed of a head 21 and a body 22 .
[0048] The shaft unit 30 is pivotally mounted on the body 20 and has a brake shaft portion 311; in this embodiment, the shaft unit 30 includes a motor shaft 31 and a grinding wheel shaft 32, one end of the motor shaft 31 is the Shaft 311, the other end of the motor 31 is fixed with a first bevel gear 312, one end of the grinding wheel shaft 32 is fixed with a second bevel gear 321 meshing with the first bevel gear 312, the other end of the grinding wheel shaft 32 A grinding wheel 322 is provided.
[0049] The brake disc 40 is fixed on the brake shaft portion 311 of the rotating shaft unit 30 and has a brake disc por...
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