**Components of the Underwater Hydraulic Pump Station**
1. **Oil Tank:** A device designed to store hydraulic fluid, dissipate heat, separate air from the oil, allow impurities to settle, and provide structural support for the hydraulic system. It consists of the tank body, baffle plates, filter screens, air breathers, and other components.
2. **Hydraulic Pump and Electric Motor:** The primary drive unit of the hydraulic pump station.
3. **Hydraulic Valves and Components:** Includes solenoid directional control valves, relief valves, check valves, pressure switches, pressure gauges, filters, and other related devices.
**Key Features of the Underwater Hydraulic Pump Station**
1. **Versatile Design:** Available in various configurations suitable for use with hydraulic grabs, trash rakes, debris grapples, and similar equipment, facilitating easy installation.
2. **High-Quality Components:** The hydraulic pump, electric motor, and hydraulic valves are sourced from renowned domestic and international brands, ensuring excellent performance and reliable quality.
3. **Underwater Operation:** Engineered to withstand water pressure without deformation during underwater operation; features high reliability and undergoes comprehensive internal and external anti-corrosion treatment.
4. **Mass Production & Customization:** The pump station is produced in batches, ensuring an ample supply of spare parts and excellent component interchangeability. Additionally, units can be custom-manufactured to meet specific requirements.
**Performance Parameters**
1. **Oil Tank Construction:** The hydraulic pump station's oil tank is constructed from 27SiMn alloy structural steel or A304 stainless steel. It features a wall thickness of 8–10 mm and is designed and manufactured to withstand underwater pressures of up to 7 MPa.
2. **Oil Tank Capacity:** The effective volume of the pump station's oil tank is available in various specifications, including >60L, 80L, 100L, and others.
3. **Hydraulic Pump:** Utilizes renowned domestic or joint-venture brand gear pumps. Rated working pressure: 3.5–5 MPa. Rated flow rate: Available in various types, including 20 L/min, 23 L/min, 30 L/min, etc. For standard hydraulic systems, the factory-set working pressure is calibrated to 2.5–3.5 MPa.
4. **Electric Motor:** Features renowned domestic or joint-venture brand motors with selectable power outputs ranging from 1.5 kW to 2.2 kW. Operating voltage: AC 380V. 5. Rexroth, Atos, or Parker solenoid valves; Rated operating voltage: AC 220V or DC 24V.
6. Oil inlet and outlet port threads: M24 × 1.5.
7. Pump station cable outlets utilize a combination of 1-inch conduit connections and aviation-style connectors.
8. Hydraulic oil: No. 32 low-temperature anti-wear hydraulic oil, ensuring normal system operation within an ambient temperature range of -30°C to +60°C.
9. Pump station weight: Typically ranges from 180 kg to 300 kg, depending on the specific specifications.
