**Introduction to Manual Hydraulic Pump Station**
A manual hydraulic pump station is a compact device that converts mechanical energy into hydraulic energy through manual operation. It is widely used in various industrial and field applications, especially when electrical power is unavailable or not suitable. When paired with hydraulic cylinders and specialized tools, it can perform a range of tasks such as lifting, bending, straightening, shearing, riveting, assembly, disassembly, construction, and even military operations.
Key features of the manual hydraulic pump include high pressure output, portability, ease of use, and a wide range of applications. Its small size and simple design make it ideal for on-site work, emergency repairs, and maintenance tasks.
**Main Structure and Functions of the Manual Hydraulic Pump**
The manual hydraulic pump consists of several key components: 1) the pump body; 2) the handle section; 3) the hose part; 4) the oil tank; and 5) the base or seat. Each part plays a crucial role in the overall function of the pump.
1. **Pump Body**: The pump body is the central component that houses the internal mechanisms. It includes high-pressure and low-pressure chambers, two check valves, a high-pressure relief valve (safety valve), a low-pressure control valve, an unloading valve, and an oil inlet. These parts are interconnected to ensure smooth operation. The check valves prevent backflow of pressurized oil, while the pressure valves regulate the system to maintain safe and efficient performance—typically at 1 MPa and 63 MPa respectively. The unloading valve allows the system to return oil to the tank after completing the task, reducing pressure and preparing for the next cycle.
2. **Handle Section**: This part consists of a pressure rod and a handle, connected by pins to the plunger inside the pump. By applying force to the handle, the user drives the plunger back and forth, creating hydraulic pressure. The handle has an M20×1.5 thread for attaching the pressure rod, allowing for vertical or horizontal positioning depending on the user's preference and working conditions.
3. **Hose Part**: The hose connects the pump to the hydraulic cylinder or tool. It is essential for transferring pressurized oil from the pump to the working equipment. When not in use, the hose should be disconnected and stored properly, with both ends covered to prevent contamination and damage.
4. **Oil Tank and Air Vent**: An air vent is typically installed on the rear of the pump or the oil tank. Before starting the pump, this vent must be opened to prevent vacuum formation in the oil reservoir, which could interfere with normal operation. After use, the vent should be closed to keep the system sealed and clean. A hook is also provided on the back of the unit for easy carrying, and it can be used to secure the lever during transport.
This manual hydraulic pump is a reliable and versatile tool, suitable for both professional and DIY applications. Its simplicity, durability, and efficiency make it an essential piece of equipment in many industries.
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