Hydraulic Prop Test Bench For Construction Machinery
1. Based on the Ministry of Coal Industry's MT119-85 "Type Test Specifications for Mine Hydraulic Prop Valves" and "Mine High-Pressure Hose" standards, this unit uses emulsion and hydraulic oil as working fluids. Its key performance parameters are safe and meet the requirements for testing and adjusting mining hydraulic products and components.
2. A manual reversing valve eliminates the traditional stop valve, providing easy and reliable operation, durability, and improved overall stability.
3. The test bench utilizes only domestically produced standard hydraulic components for easy maintenance.
4. This unit features rapid filling and automatic slow pressurization, improving testing speed and stability.
Hydraulic Prop Test Bench For Construction Machinery：
Hydraulic Prop Test Bench For Construction Machinery is a unique trying out tools designed in accordance to the Chinese coal enterprise trendy "MT112.1-2006 Single Hydraulic Prop for Mining", which is often used for manufacturing acceptance, every day preservation and commissioning, and overall performance trying out of single hydraulic props for mining.
Technical Parameters and Selection Recommendations:
1. Typical Model Parameters
Hydraulic System: Motor power 2.2-5.5kW, oil pump flow 15-30L/min, rated pressure 25-31.5MPa, working medium 46# anti-wear hydraulic oil.
Emulsion System: Rated pressure 40-75MPa, maximum pressure 60-80MPa, working medium 3-5% emulsion, pressure detection accuracy 0.25%FS.
Press Specifications: Vertical press maximum load capacity 1000kN, horizontal press 500kN, cylinder stroke 600-700mm.
2. Selection Key Points
Testing Requirements: Select the press type based on the support specifications (such as cylinder diameter and stroke). For high-frequency testing scenarios, a computer integrated system is recommended.
Environmental Adaptability: The test bench operates in an ambient temperature range of -20°C to +70°C, with a humidity ≤85% RH, suitable for the complex conditions of underground coal mines. Extended function: If you need to detect large components such as hydraulic supports, give priority to models that support dual-media hydraulic systems.
| Name | Parameters | Name | Specifications |
| Test Working Pressure | 0-60 MPa | Maximum Pressure | 50 MPa |
| Low Pressure Adjustment Range | 0-6 MPa | High Pressure Adjustment Range | 2-50 MPa |
| Liquid Medium | 3-5% emulsion | Motor | 3 kW |
| Low Pressure Liquid Displacement | 32 L/min | High Pressure Liquid Displacement | 1.2 L/cycle |
| Oil Medium | 30# machine oil | Voltage | 380 V |
| Dimensions (L x W x H) | 1.62 x 0.95 x 1.76 m | Complete Weight | 600 kg |
Application Scenarios:
1. Coal Mine Production and Maintenance
Pillar Acceptance: New pillars must undergo pressure testing on a test bench before leaving the factory to ensure that the initial support force and working resistance meet design requirements.
Periodic Maintenance: According to the Coal Mine Safety Regulations, underground pillars must undergo maintenance and pressure testing after more than eight months of use. The test bench can quickly verify the pillar's sealing and pressure-bearing capacity, identifying faults such as leakage and insufficient pressure.
Fault Diagnosis: The support's anti-slip performance is tested by simulating operating conditions with changing coal seam inclination. Continuous reversing valve operation tests are performed to verify the durability of seals.
2. Equipment Development and Quality Control
New Pillar Development: The performance parameters of new pillars, such as suspended and double-telescopic suspended, are verified through simulated operating condition testing.
Hydraulic Component Production: The sealing of hydraulic support columns, jacks, and other components is tested to ensure product quality.
Standard Compliance Verification: Equipment complies with industry standards based on standards such as MT312-2000 and MT550-1996. 3. Cost Reduction, Efficiency Improvement, and Production Safety
For example, a coal mining company used scrapped equipment to create a custom single-unit hydraulic prop pressure testing platform. Using an emulsifier pump to connect the props for pressure testing, this platform increased testing efficiency by 30%, reduced maintenance costs by 20%, and eliminated the risk of repeated handling.
Data-driven decision-making: A computer system records historical prop test data, providing a basis for optimizing maintenance cycles and managing spare parts.
