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China hydraulic pump manufacturers,
For hydraulic pumps and other related equipment have application users may understand, after a period of time we can not avoid it will be some failures, large and small, and therefore have an impact on our work, found the problem to be solved problem, we were able to find the reason for this from the following three points:
1. Check hydraulic boom cylinder internal leakage situation. The easiest way is to raise the boom to see if it is not obvious free fall. If the fuel tank drops significantly demolition inspection, such as worn seals should be given replacement.
2. Check the operating valve. First clean the safety valve, check valve body is not worn, such as wear and tear should be replaced. If there is still no change after the valve is installed, and then check the case of control valve spool wear, the gap is generally limits the use of 0.06mm, badly worn should be replaced.
3, the measurement of the pressure of the hydraulic pump. If the pressure is low, then make adjustments, plus the pressure is still not tune up, then pump heavy wear.
Above that these, I hope we can gain, you want to know more about the knowledge of the hydraulic pump can often focus our company's News!
Structure This section describes various types of axial piston pump
??????Axial Piston Pump
Axial piston pump reciprocating piston or plunger moving direction and parallel to the central axis of the cylinder piston. Axial piston pump is the use of volume changes and the drive shaft parallel to the reciprocation of the plunger in the plunger bore produced to work. High volumetric efficiency, smooth operation, flow uniformity, high working pressure, low noise advantages, but more sensitive to contamination of the hydraulic fluid, the structure is more complex, higher cost.
??????Hydraulic piston pump
After relying on pneumatic hydraulic piston pump hydraulic oil tank after each start the machine, be sure to use other hydraulic stains box arrival pressure, to operate machinery. Straight axis swashplate piston into two kinds of pressure from the sucking oil type. Most oil pressure hydraulic pump use of air pressure tank, but also with its own hydraulic cylinder to pump up the oil provided the oil inlet pressure of the oil. Self-suction-type pump self-absorbing capacity is very strong, and do not need external oil supply.
??????Straight axis swashplate piston pump
Straight axis swashplate piston into two kinds of pressure from the sucking oil type. Most oil pressure hydraulic pump use of air pressure tank, but also with its own hydraulic cylinder to pump up the oil provided the oil inlet pressure of the oil. Self-suction-type pump self-absorbing ability is very strong, no external oil supply. Rearward pressure hydraulic oil tank after each start the machine, such as hydraulic stains box must use air pressure, to operate machinery.
??????Radial piston pump
Radial piston pump with flow valves can be divided into the axial flow of two categories. Valve with flow radial piston high failure rate, low efficiency shortcomings. Because the characteristics of the radial pump structure, axial flow of radial piston pump axial piston pump than the impact resistance, long life, high control accuracy.
Piston Pump
??High-pressure pump maintenance let me tell you that
????High-pressure pump life long or short, and the usual maintenance, hydraulic oil quantity with quality, cleanliness and other oil related. To prevent the oil particles cause wear on the piston friction pairs, etc., is also an effective way to extend the life of the high-pressure pump. Replacement parts in the maintenance should try to use the original production of parts that sometimes imitation parts than other more expensive, but the quality and stability is better, if the purchase price of cheap imitation parts, like a short-term savings cost, but thus brings out hidden dangers, but also may lead to greater use of high-pressure pumps harm.
????Make use of the high-pressure fuel supply pump, after the use of 3000h, operators need to check the high pressure pump 1-2 times a day to check the pump running sound is normal. Found cylinder speed drops or stuffy car, you should check the disintegration of the charge pump, check the impeller edge if there are scratches phenomenon, the internal gear pump gap is too big. For self-suction-type piston pump, the hydraulic oil tank must not fall below the lower limit of the oil standard, to maintain a sufficient amount of hydraulic oil. Cleanliness of hydraulic oil higher, longer pump life.
