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Brief introduction of mechanical processing equipment control mechanism, protective devices and safety requirements for inspection and maintenance, Nanjing Precision Engineering Co., ltd

by:NJPE     2020-02-13
In the last article, we talked about the general requirements for the safety requirements of mechanical processing equipment. I believe readers should have some understanding of this. Today we will continue to deepen our knowledge in this field and introduce the following contents: the requirements of control mechanism, protective device and inspection and maintenance are described in detail in the following three parts. 1. Control Agency requirements (1) For mechanical processing equipment, protective devices should be set up to prevent accidental starting and cause danger, which is also to protect the safety of operators. (2) The control line should ensure that there is no danger after the line is damaged. (3) If the control system is automatic or semi-automatic, it is required to ensure the elimination of accidents or the installation of protective devices. (4) If the power supply of the equipment is accidentally cut off during the working process, the braking and clamping actions cannot be interrupted at this time; When the power supply is reconnected, the device cannot start automatically. (5) If the equipment is of great danger, it should also be equipped with monitoring devices. 2. Requirements for protective devices protective devices include two types, one is safety protection device and the other is emergency stop switch. (1)Safety Protection Device a. Structural Requirements: simple structure, reasonable layout, and sharp edges and edges. B. Performance Requirements: within the specified service life, it has sufficient reliability, rigidity and strength, good stability and corrosion resistance. c. The safety protection device should be interlocked with the operation of the equipment. It is required that the equipment cannot start to operate before the safety protection device works. d. Photoelectric, inductive and other safety protection devices should also be equipped with alarm devices, when the device itself fails, it can be warned. (2)Emergency stop switch a. The shape and color of the emergency stop switch should be distinguished from the general control switch. Generally, the color of the emergency stop switch is red. B. The arrangement position of the emergency stop switch shall be convenient for the operator to operate and ensure that no danger occurs. c. When the emergency stop switch is pressed, all movements of the equipment should be terminated instantaneously. If the equipment has inertia, it should also be interlocked with the brake or clutch to terminate the operation quickly. 3. Requirements for inspection and maintenance (1) Generally, mechanical processing equipment is required to abide by the regulations and cannot violate the regulations when transporting, handling, installing, using, disassembling and overhauling. (2) Daily maintenance when refueling or daily inspection is carried out on mechanical processing equipment, the staff cannot enter the dangerous area. (3) If the overhaul of the equipment in the dangerous area is carried out in the dangerous area, corresponding protective measures should be taken to prevent the occurrence of danger. Unless noted, the article is original for Tiecheng machinery and machinery processing factory, welcome to reprint! Please indicate the address of this article, thank you. Source: http://www . wxdtc. com/
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