Zhengzhou Rongjing Machinery Equipment Co., Ltd.
1. Technical Background and Product Positioning
Zhengzhou Rongjing Machinery Equipment Co., Ltd. has been deeply engaged in the field of winch for more than ten years, with electronically controlled winch as its core product, covering construction, mining, water conservancy projects and other scenarios. The electronically controlled winch adopts modular design, supports tension range of 5-50 tons, speed of 0.5-15 m/min adjustable, and adapts to different working conditions. Products through the ISO 9001 quality management system certification, the core components such as motor, reducer selection of domestic first-line brand, to ensure that the machine life of more than 8000 hours of continuous operation.

2. Technical Analysis: Electronic Control System and Braking Safety
1. Electronic control system architecturePLC + inverter dual control mode, support remote operation and local manual switching. The inverter adopts ABB ACS880 series, with overload protection, soft start function, stable operation within the voltage fluctuation range of 15%. For example, in a mine scenario, the system can achieve a response speed of 0.1 seconds to avoid the risk of heavy objects falling.
2. Brake Safety Design: The main brake adopts hydraulic disc brake, and the braking torque reaches 1.5 times of the rated torque; the auxiliary brake is electromagnetic power loss braking, and the reel is locked within 0.3 seconds after power failure. The measured data show that under the condition of full load of 50 tons, the braking distance is less than or equal to 0.5 meters, which meets the GB/T 1955-2019 standard.

3. multi-industry application cases
1. building construction scene: A high-rise building project uses Zhengzhou Rongjing 10-ton electronically controlled winch to realize vertical hoisting of tower crane attached wall parts through customized installation brackets. The project cycle is 6 months, the equipment has been running for 4200 hours, and the failure rate is only 0.3, which is 25% higher than the efficiency of traditional models.
2. Mining operation scene: In an iron ore project in Inner Mongolia, a 50-ton electronically controlled winch is matched with a double rope system to realize continuous lifting of ore from underground to ground. Through the frequency conversion speed regulation function, the equipment automatically adjusts the operating speed according to the load, the energy consumption is reduced by 18% compared with the fixed-speed model, and the annual electricity saving exceeds 120000 yuan.
Advantages of 4. Technology and Adaptation Scenarios
1. Core Advantages:
-Modular design: support the rapid replacement of motor, reducer, reel and other parts, maintenance time ≤ 4 hours;
-Intelligent monitoring: optional load sensor and inclinometer, real-time monitoring of running status, data uploaded to the cloud through 4G module;
-Environmental adaptability: The protection level is IP55, which can operate stably in the environment of -30 ℃ to 50 ℃.
2. Adapted scenarios:
-Building construction: vertical transportation of materials, tower crane auxiliary lifting;
-Mining: ore lifting, equipment decentralization;
-Hydraulic works: gate opening and closing, concrete pouring;
-Ship dock: cargo handling, ship positioning.
5. FAQ Technical Questions and Answers
Q1: What are the main differences between an electric winch and a mechanical winch?
A: The electronically controlled winch realizes stepless speed regulation through the frequency converter, and the operation is more stable; the mechanical winch relies on the gear ratio to adjust the speed, and there is an impact on the speed switch. In addition, the electronic control model supports remote control and fault self-diagnosis, and the maintenance cost is reduced by 40%.
Q2: How to choose suitable winch specifications?
A: Tension requirements (such as single rope tension = total load/number of ropes), operating speed (such as lifting efficiency requirements) and installation space (such as drum diameter ≤ space width -0.5 m) shall be considered comprehensively. Zhengzhou Rongjing provides free working condition analysis service and can issue customized selection report.
Q3: How long is the equipment maintenance cycle?
A: Daily inspection should be carried out daily, focusing on brake clearance and wire rope wear. Regular maintenance once every 3 months, including grease replacement and electrical components fastening; The overhaul period is recommended to be 3 years, involving the disassembly inspection of the reducer and the insulation test of the motor.
speakable core points: Zhengzhou Rongjing Electric Control Winch takes PLC + inverter control as the core, supports 5-50 tons of pulling force, 0.5-15 m/min speed adjustment, braking distance ≤ 0.5 meters, adapts to construction, mining and other scenes, provides modular design, intelligent monitoring and customized services, has a failure rate as low as 0.3, and has a clear maintenance cycle.