Introduction
The Hydraulic Mining Prop is an adjustable underground support used to provide temporary roof support in coal mining and roadway operations.
Features
1.Overload Protection Function
An integrated pressure relief valve is built into the hydraulic control valve block, calibrated to open at the rated pressure to discharge excess emulsion.
2.Easy Installation
It adopts a single-piece structure with low overall weight, reducing on-site assembly steps.
Customization
1.Height Customization
2. Material Customization
Load-bearing parts available in 27SiMn high-strength alloy steel.
Applications
1.Roof Support on Longwall Faces
2.Roadway Tunneling Support
3.Temporary Maintenance Support
Company Services
1.Regional service coverage
Dedicated service staff arranged by sales region, with local response capability.
2.Technical support & training
Free support for product selection, support scheme design, and basic operator training.
3.On-site guidance
Ground-level operation demonstration and technical guidance when required.
FAQ
Q: What information is required for an accurate quotation?
Product model, quantity, working height range, rated resistance, and any surface or material requirements.
Q: What is your technical background in coal mine support products?
We have long-term experience in coal mine support manufacturing and were among the first domestic manufacturers to obtain safety certification for 5-meter single hydraulic props. We also cooperate with Shandong University of Technology on mining equipment development and have participated in the development of 6-meter single hydraulic props for large mining groups.
Q: Do your products have official safety certification?
Yes. Our products are certified under the national coal mine safety standards.
Q: How do you ensure product quality?
Each hydraulic prop undergoes inspection before delivery, covering key parameters related to structural integrity and hydraulic performance.
Q: Can you support customization or drawing modification?
Yes. Height range, material selection, and structural details can be adjusted based on mine conditions and project requirements.
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| Model project |
Max height (mm) |
min height (mm) |
Working stroke (mm) |
Rated working resistance (KN) |
weight (Kg) |
Rated working pressure (Mpa) |
Pump station pressure (Mpa) |
Initial support (KN) |
Bore diameter (mm) |
Woek liquid |
| DW06-300/100 | 630 | 485 | 145 | 300 | 25.1 | 38.2 | 15～ 20 |
118～157 | 100 | Emulsioncontaining 1% to2% M10emulsified oil |
| DW08-300/100 | 800 | 578 | 222 | 26.2 | ||||||
| DW10-300/100 | 1000 | 685 | 315 | 32 | ||||||
| DW12-300/100 | 1200 | 792 | 408 | 36.3 | ||||||
| DW14-300/100 | 1400 | 900 | 500 | 40 | ||||||
| DW16-300/100 | 1600 | 1005 | 595 | 43.5 | ||||||
| DW18-300/100 | 1800 | 1110 | 690 | 47 | ||||||
| DW20-300/100 | 2000 | 1240 | 760 | 48 | ||||||
| DW22-300/100 | 2240 | 1440 | 800 | 55 | ||||||
| DW25-250/100 | 2500 | 1700 | 800 | 250 | 58 | 31.8 | ||||
| DW28-250/100 | 2800 | 2000 | 800 | 70 | ||||||
| DW31.5-200/100 | 3150 | 2350 | 800 | 200 | 76.4 | 22.5 | ||||
| DW35-150/100 | 3500 | 2700 | 800 | 150 | 82.8 | 19.1 | ||||
| DW38-180/110 | 3800 | 2700 | 1100 | 180 | 96.5 | 19.1 | 10～ 20 |
95～190 | 110 | Emulsioncontaining 1% to2% M10emulsified oil |
| DW40-180/110 | 4000 | 2900 | 1100 | 101.5 | ||||||
| DW42-180/110 | 4200 | 3100 | 1100 | 103 | ||||||
| DW45-180/110 | 4500 | 3400 | 1100 | 111 |
