Mechanical pressure-regulating electric control reversing speed change valve

• Main Authors: YANG HAIQING, ZHAO JIANJUN, JIN KE, LI XIAOXIANG, JIANG YOUSHAN, GAO SHENG
• Format: Patent
• Language: Chinese; English
• Published: 15.05.2013
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model discloses a mechanical pressure-regulating electric control reversing speed change valve which structurally comprises a direct moving type solenoid valve and a pressure regulating integration valve block, the direct moving type solenoid valve is arranged outside the pressure regulating integration valve block, and the direct moving type solenoid valve is connected with an oil circuit inside the pressure regulating integration valve block. The pressure regulating integration valve block comprises a pressure regulating valve, a fast reversing valve and a pressure reducing valve which are sequentially connected through the oil circuit. The mechanical pressure-regulating electric control reversing speed change valve can overcoming the shortcomings in the prior art and has the advantages of being simple and labor-saving in operation, high in reliability, fast in response speed, stable in gear shifting, low in cost and the like.