Main shaft protection device

• Main Author: LIN ZHIGUANG
• Format: Patent
• Language: Chinese; English
• Published: 28.07.2023
• Subjects: BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERATION; HEATING; LIGHTING; LUBRICATING; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; MECHANICAL ENGINEERING; PHYSICS; TESTING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to a main shaft protection device, which belongs to the technical field of motor main shafts and comprises a motor, a main shaft is arranged at the output end of the motor, four groups of protection devices are fixedly connected to the front end of the motor, each protection device comprises a connecting rod, and one end of each connecting rod is fixedly connected with the front end of the motor. The main shaft protection device has the advantages that the four main shaft protection devices can be fixed to the cover plate at the front end of the motor through the fixing bolts and located in the four directions of the main shaft, it is guaranteed that the pressure measuring heads of the protection devices are located on the outer surface of the main shaft, and when the main shaft or a drill bit collides with a workpiece, external force borne by the main shaft can be transmitted to the pressure measuring heads; the pressure measuring head and the pressure measuring rod can apply pressu