Product Introduction
The hinged top beam DIC is a high-strength mining support beam connected by hinge pins, which can flexibly adjust the angle to match the roof slope.
Product Specification
| Model | Number of roots per graft (root) | Allowable bending moment of beam body/(kN.m) | Minimum load per girder/kN | Allowable bending moment of the joint part/(kN.m) | Adjust the angle (not less than) | Height/mm | Other sizes/mm | weight | |||
| Up and down | around | Articulating section | Beam body H | Length (pin hole center distance) L | The beam body length L1 | ||||||
| DJB600/470 | 1--2 | 52.5 | 470 | 30 | 7° | 3° | 138 | 90 | 600 | 420 | 18.9 |
| DJB800/420 | 1--2 | 52.5 | 420 | 30 | 7° | 3° | 138 | 90 | 800 | 620 | 22.9 |
| DJB1000/300 | 1--2 | 52.5 | 300 | 30 | 7° | 3° | 138 | 90 | 1000 | 820 | 26.93 |
| DJB1200/300 | 1--2 | 52.5 | 300 | 30 | 7° | 3° | 138 | 90 | 1200 | 1020 | 30.95 |
| Model | Long beam cross-sectional size/mm | Overall quenched and tempered hardness/HB | Carrying capacity/HB | Cross-sectional factor/cm3 | weight | |||
| (Kg·m-1) | ||||||||
| Long | wide | high | WX | WY | ||||
| DFB4500/300 | 4500 | 100/83 | 90 | 300～350 | 300～400 | 68.66 | 46.55 | 92.7 |
| DFB4600/300 | 4600 | 100/83 | 90 | 300～350 | 300～400 | 68.66 | 46.55 | 94.8 |
| DFB4700/300 | 4700 | 100/83 | 90 | 300～350 | 300～400 | 68.66 | 46.55 | 96.8 |
| DFB4800/300 | 4800 | 100/83 | 90 | 300～350 | 300～400 | 68.66 | 46.55 | 98.9 |
| DFB4900/300 | 4900 | 100/83 | 90 | 300～350 | 300～400 | 68.66 | 46.55 | 100.9 |
| DFB5000/300 | 5000 | 100/83 | 90 | 300～350 | 300～400 | 68.66 | 46.55 | 103 |
Product Customization
Beam Length: 2.5m/3.0m/3.5m/4.0m/4.5m/5.0m
Rated Working Resistance: 3000kN/4000kN/5000kN/6000kN
Hinge Angle Range: ±10°/±15°/±20°/±25°
Pin Diameter: φ50mm/φ60mm/φ70mm/φ80mm
Beam Height: 200mm/250mm/300mm/350mm
Material Grade: Q345B/Q460/Q690
Anti-corrosion Treatment: Spray paint/Galvanized/Spray plastic
Pin Material: 45# steel/40Cr/42CrMo
Product Applications
Coal Mine Full Mechanized Mining Face
Used with hydraulic supports to provide roof support for the mining face.
Metal Mine Mining Area
Used for temporary roof support in segmented mining or filling mining methods.
Mine Tunnel Excavation
Used for advanced support in excavation faces and permanent tunnel support.
Steeply Inclined Coal Seam Mining
Used for roof support in working faces with large inclinations, adapting to slope changes.
Broken Roof Areas
Used for enhanced support in areas with complex geological conditions and fractured roof zones.
Company Services
Customized Product Design
Provide bespoke equipment design solutions based on mine geological conditions, tunnel specifications, and mining methods.
Technical Selection Consulting
Offer guidance on selecting mining support equipment, matching working face parameters with equipment performance.
On-site Installation Guidance
Dispatch technicians to the mine site to guide equipment installation and commissioning, ensuring proper operation.
Operational Training Services
Provide professional training for mine personnel on equipment usage, maintenance, and troubleshooting.
Spare Parts Supply
Maintain an inventory of commonly worn parts, offering fast supply of hinge pins, seals, hydraulic components, and other accessories.
Equipment Maintenance and Repair
Offer regular maintenance services to extend the lifespan of equipment.
Technical Retrofit and Upgrades
Upgrade old equipment to enhance performance and adapt to new working conditions.
Emergency Fault Response
Establish a 24-hour technical support hotline to quickly respond to equipment failures.
Quality Testing Services
Provide performance test reports before equipment delivery and assist with third-party inspections.
Solution Optimization Suggestions
Offer optimization recommendations for support solutions based on usage feedback to improve mining efficiency and reduce costs.
After-sales Follow-up and Feedback
Regularly follow up on equipment usage, gather improvement suggestions, and continuously optimize products.
Technical Documentation Provision
Provide complete product manuals, operation guides, maintenance instructions, and other technical documents.
FAQ
Q: Where is your factory located?
Me: Our factory is in Boshan District, Zibo City, Shandong Province
Q: Are you a trading company or a factory?
Me: We are a factory, warmly welcome you to visit our factory
Q: What do you need for a detailed quotation?
Me: Please tell me the product model you need, the number of products, the requirements for the surface treatment of the product, etc.
Q: How about your technical level?
Me: We focus on the production of coal mine support products for many years, with rich experience in research and development, we are the first manufacturer in the country to obtain the safety standard of five-meter single hydraulic pillar, and Shandong University of Technology jointly develop intelligent mining equipment, at the same time in 2025 we also help Dongtai Group to develop the required six-meter single hydraulic pillar.
Q: Do you have a safety certificate for your products?
Me: Our products have a national certification safety certificate.
Q: How do you guarantee the quality of your products?
Me: Each of our products needs to be inspected for quality before leaving the factory, and our products are closely related to the lives of coal miners, so we strive to make the best product quality.
Q: Can you provide customization, modification drawings and other requirements?
Me: Of course, if you need, we will modify our products according to your requirements and the actual situation of the coal mine.
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