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Please feel free to contactus Parts Sea engineers or sales for help if you have no parts No.
tse@partssea.com | sales@partssea.com
1. Pre-valve
The front valve is one of the crane directional valves. Its main function is to control the traveling and braking of the traveling mechanism. Its working principle is to open the valve when draining oil to allow hydraulic oil to flow through the drain pipe, and close the valve when spreading oil to close the oil path of the drain pipe. In this way, under the action of the forward movement of the traveling mechanism to one side, the hydraulic oil will be pressed to the other side, thereby realizing the walking of the traveling mechanism. When braking, the spool of the front valve will generate thrust, causing the hydraulic oil of the traveling mechanism to flow back to the oil storage tank, thus realizing the braking effect.
2. Balance valve
The balance valve is another type of crane directional valve. Its main function is to control the expansion and contraction of the boom. When the balance valve works, it needs to generate a high-pressure oil circuit, which is connected in parallel with the high-pressure oil circuit of the hydraulic cylinder to achieve balance and rigidity of the entire vehicle.
3. Directional valve
The reversing valve is a directional valve that controls the crane's various traveling modes. It can control the crane's steering, traveling, and in-situ erecting. Its working principle is to guide the hydraulic oil flow to the hydraulic cylinder, thereby pushing the hydraulic cylinder forward or backward to realize the movement of the crane.
4. Speed regulating valve
The speed regulating valve is another commonly used type of crane directional valve. Its main function is to regulate the flow and pressure of hydraulic oil, thereby controlling the movement speed and smoothness of the crane's movement. The speed regulating valve plays an important role in the hydraulic system of the crane and can effectively improve the working efficiency and safety of the crane.
Please feel free to contactus Parts Sea engineers or sales for help if you have no parts No.
tse@partssea.com | sales@partssea.com
1. Pre-valve
The front valve is one of the crane directional valves. Its main function is to control the traveling and braking of the traveling mechanism. Its working principle is to open the valve when draining oil to allow hydraulic oil to flow through the drain pipe, and close the valve when spreading oil to close the oil path of the drain pipe. In this way, under the action of the forward movement of the traveling mechanism to one side, the hydraulic oil will be pressed to the other side, thereby realizing the walking of the traveling mechanism. When braking, the spool of the front valve will generate thrust, causing the hydraulic oil of the traveling mechanism to flow back to the oil storage tank, thus realizing the braking effect.
2. Balance valve
The balance valve is another type of crane directional valve. Its main function is to control the expansion and contraction of the boom. When the balance valve works, it needs to generate a high-pressure oil circuit, which is connected in parallel with the high-pressure oil circuit of the hydraulic cylinder to achieve balance and rigidity of the entire vehicle.
3. Directional valve
The reversing valve is a directional valve that controls the crane's various traveling modes. It can control the crane's steering, traveling, and in-situ erecting. Its working principle is to guide the hydraulic oil flow to the hydraulic cylinder, thereby pushing the hydraulic cylinder forward or backward to realize the movement of the crane.
4. Speed regulating valve
The speed regulating valve is another commonly used type of crane directional valve. Its main function is to regulate the flow and pressure of hydraulic oil, thereby controlling the movement speed and smoothness of the crane's movement. The speed regulating valve plays an important role in the hydraulic system of the crane and can effectively improve the working efficiency and safety of the crane.