German Charles Austen Pump pump Charles Austen Pump model Charles Austen Pump price

Charles Austen Pump pumps are widely used as simple and convenient hydraulic power sources in various fields such as the shipbuilding industry, coal mining machinery, petrochemicals, metallurgy, electric power, and heavy machinery. They are accepted by a wide range of users due to their advantages of small size, light weight, portability, and high safety. The function of a hand pump is to convert the mechanical energy of a prime mover (such as an electric motor or internal combustion engine) into the pressure energy of a liquid.

Charles Austen Pump pump operating principle

The cam is driven to rotate by an electric motor. When the cam pushes the plunger upward, the sealed volume formed by the plunger and the cylinder body decreases, squeezing the oil out of the sealed volume and discharging it to the required location through a check valve. When the cam rotates to the descending part of the curve, the spring forces the plunger downward, creating a certain vacuum degree, allowing oil from the tank to enter the sealed volume under atmospheric pressure. The cam causes the plunger to continuously rise and fall, periodically decreasing and increasing the sealed volume, so the pump continuously sucks and discharges oil.

Charles Austen Pump pump industry applications

Industries such as electric power, railway, rescue, and construction operate in outdoor sites, providing power for construction tools such as cutters, hydraulic clamps, and punching machines; providing static and burst testing for pipe fittings, hoses, valves, pressure vessels, and cylinders; static and dynamic testing after aerospace accessory maintenance; safety valve calibration; bubble tests for valves and wellhead devices in water; detection of pressure regulators; automotive braking system testing; and communication cable inflation equipment.

Charles Austen Pump pump maintenance

During maintenance, troubleshoot from the following three points and improve the system: 1) Check for internal leakage in the boom cylinder: The simplest method is to raise the boom and observe if there is significant free descent. If the descent is obvious, disassemble the cylinder for inspection; replace the seal ring if wear is found. 2) Check the control valve: First clean the safety valve and check if the valve core is worn; replace if worn. If there is no change after installing the safety valve, check the wear condition of the control valve core; the general limit for its clearance is 0.06mm, and it should be replaced if severely worn. 3) Measure the hydraulic pump pressure: If the pressure is low, adjust it; if the pressure still cannot be increased, it indicates severe wear of the hydraulic pump. The main reasons for the inability to lift the boom under load are: 1) Severe wear of the hydraulic pump. Leakage inside the pump is severe during low-speed operation; during high-speed operation, the pump pressure increases slightly, but due to pump wear and internal leakage, volumetric efficiency drops significantly, making it difficult to reach rated pressure. Prolonged operation of the hydraulic pump exacerbates wear, raises oil temperature, causing wear of hydraulic components and aging/damage of seals, loss of sealing capability, deterioration of hydraulic oil, and finally leading to failure. 2) Unreasonable selection of hydraulic components. The boom cylinder specification is 70/40 non-standard series, and the seals are also non-standard parts, resulting in high manufacturing costs and inconvenient seal replacement. The small bore diameter of the boom cylinder inevitably requires high system setting pressure. 3) Unreasonable hydraulic system design. As shown in Figure 1, the control valve and the full hydraulic steering gear are connected in series with a single pump, the safety valve setting pressure is divided into 16MPa, and the rated working pressure of the hydraulic pump is also 16MPa. The hydraulic pump often operates under full load or long-term overload (high pressure) conditions, and the system experiences hydraulic shock. Long-term lack of oil changes leads to contaminated hydraulic oil, exacerbating hydraulic pump wear, even causing the hydraulic pump casing to rupture (such failures have been observed).

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