Safety device utilizing energy consumption brake to realize overspeed protection of rotary table
A technology of overspeed protection and safety devices, which is applied in general control systems, program control and program control in sequence/logic controllers, and can solve problems such as weight increase, wear and tear, and complex structures
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[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0016] Reference Figure 1-3 , A safety device that uses energy-consumption braking to achieve overspeed protection of turntables, including a control system that includes a frequency-voltage conversion circuit, a PLC controller, a brake interlock circuit, a driver, a motor, and a position sensor. The PLC controller is The logic controller is programmed, and the input terminal of the PLC controller is electrically connected to the output...
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