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Home / Technical Articles / Zhengzhou Rongjing Hoist: Comprehensive product research and technical practice for multi-industry adaptation

Zhengzhou Rongjing Hoist: Comprehensive product research and technical practice for multi-industry adaptation

Update Time: 2026-05-31
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Introduction: Full-scene Adaptation Needs of Hoisting Machinery Technology

The winch, as a core component of lifting equipment, directly affects the construction efficiency and safety. With over a decade of technical accumulation, Zhengzhou Rongjing Machinery and Equipment Co., Ltd. has established a winch product matrix covering a full range of categories such as electrical control, planetary handbrake, vertical circulation, and external variable frequency, with over 50 specifications and models. It can match a tensile force range of 500kg-200t, a speed range of 0.5m/min-30m/min, and vertical/horizontal/suspended installation forms. This article will analyze its technical implementation effect from three aspects: technical architecture, practical cases, and parameter interpretation.

郑州荣晶卷扬机应用场景图

Technical Principle: Modular Architecture and Customized Design

Zhengzhou Rongjing Winch adopts a modular design concept, with core components including the motor, reducer, brake, and drum, which can be quickly assembled through standardized interfaces. For instance, its electric control winch is equipped with a variable frequency drive system, supporting stepless speed adjustment from 0 to 50Hz. The brake uses a dual-circuit hydraulic design, with a braking distance ≤0.5m (full load condition). For mining operations, the planetary handbrake winch achieves a 10:1 reduction ratio through the planetary gearset,配合handbrake device, it can maintain the load stationary in the event of a power failure, with a safety factor of 1.8 times the rated load.

In terms of customized services, the company's technical team can adjust parameters according to the customer's operating conditions. For example, for a vertical reciprocating winch provided for a water conservancy project, by optimizing the drum diameter (increased from Φ800mm to Φ1000mm) and wire rope diameter (increased from Φ16mm to Φ20mm), the single lifting height is raised from 20m to 30m, while the motor power is upgraded from 15kW to 22kW, meeting the large flow drainage requirements.

Practical Case: Adaptation Practice in Mining Exploration and Construction Projects

Case 1: Mining Extraction Scenario
A copper mine project requires equipment hoisting at -300m underground. The traditional winch, due to insufficient braking sensitivity, has caused multiple slippage incidents. The external variable frequency winch provided by Zhengzhou Rongjing optimizes the problem through the following technical improvements:
Braking System: Electromagnetic and hydraulic dual braking adopted, braking time reduced from 2s to 0.8s.
2. Protection Grade: Motor and control box meet IP65 protection standard, suitable for underground humid environment.
3. Operation Interface: Integrated with wireless remote control function, operators can remotely control within a range of 50 meters.
After 6 months of project operation, the equipment failure rate dropped from 3 times per month to 0, with a 40% increase in lifting efficiency.

Case 2: Construction Site Scenario
A high-rise building project requires the installation of glass curtain walls in a narrow space, and traditional winches are unable to be deployed due to their large size. Zhengzhou Rongjing's customized vertical reciprocating winch achieves adaptation through the following design:
Structural optimization: Integrating the motor and reducer within the drum, reducing the overall height from 2.5m to 1.8m.
2. Speed Adjustment: Supports multi-speed adjustment from 0.5 to 5m/min, matching glass installation precision requirements.
3. Installation Method: Suspended installation using 4 M20 bolts to secure to steel structural beams, saving ground space.
Upon completion of the project, the customer feedback was that the equipment operation was simple, with the daily installation volume increased from 80㎡ to 120㎡.

Parameter Parsing: Core Performance Indicators and Selection Recommendations

Zhengzhou Rongjing winch's key parameters include tensile force, speed, motor power, and braking distance. The following is a comparison of typical models:
Model | Tension Range | Speed Range | Motor Power | Braking Distance (Full Load)
|---------------|---------------|---------------|----------|------------------|
Electric winch | 1t-50t | 0.5-15m/min | 3-75kW | ≤0.8m
Planetary winch with parking brake | 5t-200t | 0.2-5m/min | 7.5-110kW | ≤1.2m
Vertical winch | 0.5t-10t | 1-10m/min | 1.5-22kW | ≤0.5m
| External Variable Frequency Hoist | 2t-30t | 0.3-8m/min | 4-45kW | ≤0.6m |

Focus on the following aspects when selecting:
Tension matching: Load weight must be ≤ 80% of the winch's rated tension.
2. Speed requirement: Select electrically controlled models for high-speed scenarios, and select planetary models for low-speed heavy-load scenarios.
3. Environmental adaptability: Choose IP65 protection level for humid environments, explosion-proof motors for flammable environments.

FAQ: Technical Challenges and Common Issues FAQs

Q1: How to investigate the failure of the winch mechanism brake?
A: First, check if the brake oil circuit is blocked. Next, test the solenoid valve voltage for normalcy (standard value 24V±5%). Finally, inspect the brake pad wear (replacement required if thickness ≤2mm).

Q2: How to extend the service life of a winch?
A: It is recommended to perform maintenance every 500 hours, including:
Clean the motor radiator fins.
2. Change reducer gear oil.
Check the wire rope for wear and lubrication.

Q3: How long is the customized service cycle?
A: Standard model delivery is 15 days, custom models require evaluation based on complexity of parameters, usually 25-40 days.

Conclusion: Technologically-driven full-scenario solutions

Zhengzhou Rongjing Machinery and Equipment Co., Ltd. has established a winch technology system covering over 10 industries, including construction, mining, and water conservancy projects, through comprehensive product research and development and customized services. The company's products are characterized by modular design, high safety coefficients, and flexible adaptability, having served over 2,000 global customers with an average of 8,000 hours of uninterrupted operation. In the future, the company will continue to deepen the research and development of technologies such as variable-frequency control and intelligent monitoring to provide more efficient technical support for the lifting equipment field.

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