Interlocking devices, two-handed operating devices, automatic stop devices and limit devices can be divided into four categories.

The safety device limits or prevents some dangers of the machine or limits dangerous factors such as movement speed and pressure through its own structural function. Common safety devices include interlocking devices, two-handed operating devices, automatic stop devices and limit devices.

Development:

Every year, the number of people killed in traffic accidents in China exceeds 654.38+10,000, ranking first in the world for more than 10 years, while the death rate per 10,000 vehicles in China is about 15, which is still far higher than that in developed countries and some developing countries.

Since the birth of the automobile, the safety of the automobile is the most basic and important performance of the automobile. With the society attaching great importance to the value of life and the increasing number of traffic accidents, many people have put automobile safety in the first place. With the improvement of users' safety awareness, the development and application of automobile safety technology has become the focus of product competition.

brief introduction

Safety interlock device is an automatic device used for safety purposes. Interlocking device makes the two actions have a mutually restrictive relationship through mechanical or electrical mechanism.

In the production process, in order to ensure normal work, realize automatic control and prevent accidents, interlocking devices are widely used. Interlocking devices include direct action, indirect action and combined action.