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Please feel free to contactus Parts Sea engineers or sales for help if you have no parts No.
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The crane hoisting hydraulic system includes: balance valve, solenoid valve and controller; during the process of hoisting down and up, the pressure oil in the first main oil circuit or the second main oil circuit enters the balance valve and opens the balance valve; During the hoisting process, the pressure oil in the first main oil circuit enters the brake through the first oil inlet and outlet of the solenoid valve; during the hoisting process, the pressure oil from the pressure oil source passes through the solenoid valve. The second oil inlet and oil outlet of the valve enter the brake. The device, hoist hydraulic system and crane of the present invention use the timing sequence of the hydraulic system itself to control the opening and closing of the hoist brake during the hoist and fall motion, thus avoiding The system jitter caused by the brake opening and closing. At the same time, an external oil source is used to electronically control the opening and closing of the hoist brake during the hoisting process, which effectively prevents the hoist from lifting and sliding under heavy load twice, and improves reliability. And make the hoisting system structure more compact.
Please feel free to contactus Parts Sea engineers or sales for help if you have no parts No.
tse@partssea.com | sales@partssea.com
The crane hoisting hydraulic system includes: balance valve, solenoid valve and controller; during the process of hoisting down and up, the pressure oil in the first main oil circuit or the second main oil circuit enters the balance valve and opens the balance valve; During the hoisting process, the pressure oil in the first main oil circuit enters the brake through the first oil inlet and outlet of the solenoid valve; during the hoisting process, the pressure oil from the pressure oil source passes through the solenoid valve. The second oil inlet and oil outlet of the valve enter the brake. The device, hoist hydraulic system and crane of the present invention use the timing sequence of the hydraulic system itself to control the opening and closing of the hoist brake during the hoist and fall motion, thus avoiding The system jitter caused by the brake opening and closing. At the same time, an external oil source is used to electronically control the opening and closing of the hoist brake during the hoisting process, which effectively prevents the hoist from lifting and sliding under heavy load twice, and improves reliability. And make the hoisting system structure more compact.