Device for automatically adjusting ground clearance of sucking disc of vacuum sweeper

• Main Authors: ZHOU LI, XIONG SHENGGUANG, MEI BINYU, JI KANGPING, YANG MENGYING, GUO XUEXUN, TAN GANGFENG
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2016
• Subjects: BLASTING; CLEANING BEACHES; CLEANING OF PERMANENT WAYS; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; DISPERSING; FIXED CONSTRUCTIONS; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; FOG IN GENERAL; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; STREET CLEANING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The invention discloses a device for automatically adjusting the ground clearance of a sucking disc of a vacuum sweeper. The device mainly comprises a pneumatic control system, a pneumatic system and a transmission system, the pneumatic control system mainly comprises a compressed air tank and a pneumatic control reversing valve, the pneumatic control reversing valve comprises a valve main body, a valve element is arranged inside the valve main body, the valve element separates the valve main body into a left valve body communicated with the atmosphere and a right valve body communicated with an outlet pipe of the sucking disc of the vacuum sweeper, and a spring connected with the valve element is installed inside the left valve body; the pneumatic system comprises an air cylinder, the air cylinder is internally provided with a piston, the piston separates the air cylinder into a rod cavity and a rodless cavity, the rodless cavity is connected with a left output cavity through a first pipe, and the rod cavity