Adjustable Hydraulic Mining Prop
Hydraulic mining props offer adjustable support for mine roofs and walls in underground operations. These props are designed to withstand significant loads, ensuring safety and stability.



Technical Specifications
Product Overview
Safety Support System
The single hydraulic prop acts as a constant resistance support system designed for underground coal mines. By working in tandem with steel roof bars, it provides reliable initial supporting force and maintains stability under variable geological pressures. Its advanced internal valve mechanism allows for automated pressure relief, ensuring consistent load-bearing capabilities during mining operations.
Technical Specifications
Operational Features
- Constant resistance support mechanism
- One-way valve fluid injection
- Automated three-use relief valve
- High-pressure hydraulic operation
Operational Cycle
| Stage | Description |
|---|---|
| Initial Loading | Injection nozzle pushes fluid to lift the plunger and engage the roof bar. |
| Active Support | Cavity pressure matches pump pressure to establish initial supporting force. |
| Pressure Relief | Relief valve opens when load exceeds rated capacity to prevent structural failure. |
| Constant Resistance | Fluid outflow maintains the rated operation load despite ground movement. |
- Available Model Range
- DW12DW14DW16DW18DW20DW22



