Motor driven oil pump

Motor driven oil pump, hydraulic oil output, push the plunger withhold tanks forward movement of the plunger, the two inner cone on the front cylinder head cover to promote symmetrical cone mold base radial contraction realize module hose withhold. When the contraction reached the scale is set value, withholding automatically stop solenoid valve for back, hydraulic oil into the two open-cylinder, push the plunger withhold reverse movement, mold base module driven recovery in the action of the spring.
Installation and commissioning
1. Handling: The hydraulic valve block should be used to move the truck or carrying bars, body allowed to tilt. Forbidden to lift the lock and scale site.
2. Installation: The machine required level fixed on a solid foundation, and for ground handling.
3. Filling: open the case, adding 60 liters fuel tank 46 hydraulic oils.
4. Electrical connection: Plug the power cord connected to the hydraulic valve manifold provides power to move the motor to observe rotation, motor rotation direction should be consistent with the pump referred.
5. Check the ruler: ruler located cylinder front end cap, shrink sleeves for adjusting the amount withheld size. Clockwise adjustment, reducing the amount of shrinkage; counterclockwise to adjust the amount of shrinkage increases. Scale base by spring force three screws on the pressure in the cylinder cover, hand pulling the ruler (vertical cylinder end face direction), the scale base should be flexible to leave the cylinder cover, after the release, by the spring force in the cylinder automatic clamping on. Before the start of withholding, you should carefully check the scale expansion is flexible. The ruler can not use screws on the fuel tank, otherwise it will damage the ruler.

Hydraulic valve

Hydraulic valve
The basic construction of the hydraulic valve manifold including spool, and driving the spool valve within the valve body for relative movement manipulation apparatus. The main form has a spool valve, poppet valve and ball; the body in addition to a body orifice or valve seat and valve fitting hole, there are external tubing into and out of the oil port and drain; actuated valves core in the valve body for relative movement means may be a manually adjustable mechanism, may be a spring or a solenoid, some occasions also driven by liquid pressure. On principle, the use of hydraulic valve spool relative movement in the valve body to control the on-off valve port and the size of the opening, in order to achieve pressure, flow and direction control. www.168fm.cn working hydraulic valve, the valve orifice size of all valves, valve inlet pressure difference between the oil port and through the relationship between flow valve orifice flow equation are consistent with (q = KA · Δp m) , but a variety of valve control parameters vary only.