The invention discloses a hoist which comprises a machine body, a driving component, a brake nut, a brake component and a chain wheel. The chain wheel is rotatably erected in the machine body, the chain wheel comprises a chain wheel body and a mounting part which are connected with each other, and the brake nut comprises a brake nut body and a connecting part which are connected with each other; the driving component is connected with the brake nut body, the peripheral wall of the connecting part is provided with an external thread, the chain wheel is provided with a mounting hole in the axial direction, at least part of the wall part corresponding to the mounting hole is provided with an internal thread, and at least part of the thread of the connecting part is connected into the mounting hole; the driving part is used for driving the brake nut to rotate, and the brake part is connected with the mounting part and used for controlling the chain wheel to rotate and stop. When the hoist is applied, the strength of the formed brake structure is slightly influenced by the assembly precision, so that the strength of the brake structure is higher, and the brake stability of the hoist is favorably improved.
本申请公开一种葫芦,包括机体、驱动部件、制动螺母、制动部件和链轮;所述链轮可转动地架设于所述机体内,所述链轮包括相互连接的链轮本体和安装部,所述制动螺母包括相互连接的制动螺母本体和连接部;所述驱动部件和所述制动螺母本体连接,所述连接部的外周壁设有外螺纹,所述链轮沿轴向设有安装孔,所述安装孔对应的壁部至少部分设有内螺纹,所述连接部的至少部分螺纹连接于所述安装孔内;所述驱动部件用于驱动所述制动螺母转动,所述制动部件和所述安装部连接,所述制动部件用于控制所述链轮的转动和停止。该葫芦在应用时,形成的制动结构的强度受装配精度的影响较小,使得制动结构的强度较高,有利于提升葫芦的制动稳定性。
Calabash
一种葫芦
17.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B66D Haspeln , CAPSTANS |
Manufacturing method of calabash-shaped outer container of marine air bag type leak stopper
Europäisches Patentamt | 2023
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