Mechanical Screw Jack for Lifting
This mechanical screw jack is designed for lifting and lowering heavy loads in various applications. It is suitable for railway maintenance, construction engineering support, and general lifting operations.




Technical Specifications
Product Overview
Professional Mechanical Screw Jack
This mechanical screw jack is designed for heavy-duty lifting and support in demanding industrial, mining, and construction environments. Featuring a robust steel construction, the jack operates on a reliable spiral principle that ensures safety during maintenance tasks like railway vehicle bushing replacement or heavy machinery assembly. Its compact, lightweight design allows for easy portability and versatile operation at various angles, including diagonal and reverse positions.
Key Features
Operational Highlights
- Compact and lightweight structure for easy portability
- Versatile operation at any angle (diagonal, cross, or reverse)
- Durable steel construction with no oil or gas requirement
- Manual operation using screw thread mechanism
- Available self-locking or brake-equipped models
Certifications
- Standards Compliance
- CEGS
Technical Specifications
Weight Capacity Range
Performance Data
| Model | Weight Capacity (t) | Lift Height (mm) | Min Height (mm) |
|---|---|---|---|
| QL3.2 | 3.2 | 110 | 200 |
| QL5 | 5 | 130 | 250 |
| QL8 | 8 | 140 | 260 |
| QL10 | 10 | 150 | 280 |
| QLD10 | 10 | 75 | 200 |
| QL16 | 16 | 180 | 320 |
| QL20 | 20 | 180 | 325 |
| QL25 | 25 | 130 | 275 |
| QL32 | 32 | 200 | 395 |
| QLD32 | 32 | 180 | 320 |
| QL50 | 50 | 250 | 452 |
| QLD50 | 50 | 150 | 330 |
| QL100 | 100 | 200 | 452 |
| QL200 | 200 | 200 | 472 |
| QL320 | 320 | 200 | 540 |
| QL380 | 381 | 200 | 600 |



