Hydraulic lift controller

• Main Authors: BAOCHENG XIANG, XINGKUI LI, QIUPING GAN
• Format: Patent
• Language: English
• Published: 09.07.2003
• Edition: 7
• Subjects: HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model provides a hydraulic lifting logic control device, comprising an operation display part 1, a control part 2, a drive part 3, and a detection part 5; the control part consists of an automatic control part 2 model -(1) and a manual control part 2 model -(2); the detection part consists of a switch group 4 model -(1) consisting of stroke switches or proximity switches 1SQ1-nSQ4 arranged on a jack and stroke switches or proximity switches 1SQ5-nSQ6 on an upper anchor and a lower anchor, a switch group 4 model -(2) consisting of pressure switches 1SP1-nSP2 arranged on the upper anchor and the lower anchor, and oil pressure position limit switches 1SB-kSB of a pump station. One end of each lead-out end of the switch group 4 model - (1) and the switch group 4 model -(2) are correspondingly connected with a jack piston and each detection point on the upper anchor and the lower anchor; the other end is connected with an input unit of the control part; an output end of the control part is connected with electromagnetic valve relays 1KA-NKA, KA3-KA9 and indicator lights HL1-HL12 of the driving part. The device has the advantages of simple structure, cheap cost, short installation and debugging period, and convenient operation.