Mechanical and electrical professional practice operation working table based on ratchet wheel locating principle

Abstract

The invention relates to the technical field of mechanical and electrical engineering and discloses a mechanical and electrical professional practice operation working table based on the ratchet wheellocating principle. The mechanical and electrical professional practice operation working table comprises an operating table. A lifting shaft is movably connected to the interior of the operating table. The outer portion of the lifting shaft is fixedly connected with a handle. The outer portion of the lifting shaft is fixedly connected with a ratchet. The outer portion of the ratchet is movably connected with a pawl. A limiting block is hinged to the outer portion of the ratchet. The outer portion of the pawl is fixedly connected with a limiting spring. The outer portion of the lifting shaftis fixedly connected with an adjusting gear. The outer portion of the adjusting gear is engaged with a toothed bar. The outer portion of the toothed bar is fixedly connected with a buffer spring. Through cooperation of the lifting shaft, the ratchet, the pawl, the limiting block and the limiting spring, the mechanical and electrical professional practice operation working table based on the ratchet wheel locating principle can ensure the stability of the lifting shaft, prevents the situation that the lifting shaft rotates reversely and a fixture falls down in the using process, thereby ensuring the operating stability and ensuring the practice smoothness of students and bench workers.

Description

technical field [0001] The invention relates to the technical field of electromechanical specialty, in particular to a workbench for practice operation of electromechanical specialty based on the principle of ratchet wheel positioning. Background technique [0002] Mechatronic Engineering is actually the collective name of the two majors of mechanical and electrical engineering, but sometimes it is also referred to as the abbreviation of Mechatronic Engineering. High-level application-oriented and technical talents with all-round development in morality, intelligence, physique, and aesthetics to meet the needs of production construction, management, and service frontlines. [0003] There is a training course for mechanical majors called "fitter training". The fitter training requires a professional workbench during the practice process. Students need to fix the workpiece on the workbench with fixtures and then perform mechanical processing. Some workbenches are often fixed ...

AI Technical Summary

Problems solved by technology

[0003] There is a training course for mechanical majors called "fitter training". The fitter training requires a professional workbench during the practice process. Students need to fix the workpiece on the workbench with fixtures and then perform mechanical processing. Some workbenches are often fixed in height, and often cannot adapt to students of different heights. For students who are too tall or too short, the posture during operation is improper, and long-term work will cause physical discomfort. The rotation of the workpiece can only be completed by moving the entire fixture. Because the fixture is very heavy, it is difficult to operate, and it is easy to crush fingers and cause injuries to students

Images