PLC-Controlled Two-Stage Hydraulic Jacking System for Tank Construction

1. System Overview
The PLC-controlled two-stage hydraulic lifting system is an advanced solution designed for precise and synchronized elevation in tank construction. It integrates hydraulic actuators with programmable logic controllers (PLC) to achieve automated, high-precision operations. The system typically comprises:

• Hydraulic cylinders: Dual-stage cylinders provide extended stroke capabilities, enabling efficient vertical lifting of heavy tank components.

• PLC control unit: Manages motion logic, pressure regulation, and synchronization between cylinders. Modern systems use integrated PLCs or industrial computers for real-time adjustments.

• Sensors: Distance detection modules (e.g., proximity sensors or laser measurement) monitor piston positions and ensure alignment accuracy. For instance, upper and lower distance sensors track the "striker plate" on the piston rod to calculate lift distances.

• Hydraulic power station: Supplies regulated oil flow to cylinders, with servo valves controlled by PLC signals for pressure and speed modulation.

2. Operational Workflow
The system operates in three phases:

• Initial positioning: Sensors calibrate the initial position of the tank structure. PLC algorithms adjust hydraulic pressure based on load requirements.

• Synchronized lifting: Dual cylinders are driven by PLC commands to ensure balanced force distribution. Real-time feedback from sensors allows dynamic corrections, minimizing tilt or misalignment.

• Safety protocols: Overpressure relief valves and emergency stop functions are integrated to handle unexpected loads or failures.

3. Technical Advantages

• Precision control: PLCs enable micron-level accuracy in lift height, critical for aligning large tank sections.

• Energy efficiency: Servo-driven hydraulic pumps reduce energy consumption by adjusting output to actual demand, unlike traditional constant-pressure systems.

• Modularity: The system supports manual, semi-automatic, and fully automated modes, adaptable to diverse construction scenarios.

• Reliability: Integrated hydraulic valves minimize leakage points, while robust PLC programming ensures long-term stability.

Wincoo Engineering Co., Ltd (WINCOO) is engaged in bringing the most suitable solutions/equipments for client, fabricators, EPC/C companies on pipe fabrication, tank construction, pipeline construction, industrial production lines, clean energy project and other industrial field.

We have ability of providing workable solutions to support clients to be awarded with shorter project execution time, fewer man-hour cost and higher efficiency construction/fabrication method and better quality during phase of project bidding.

Based client’s facility/site space availability, we are able to study/design and present matched configurations on project schedule, quality, cost and productivity to guarantee production pace is accordance with project requirement.

To support project execution, we are always ready to work as fireman to give prompt supply on project materials from different consumables, tools, equipments/machines to special merchandise. With flexibility, we are also glad to perform as procurement agent in China to seek required supply resources.

Our products covers tank welding machine, tank hydraulic jacking system, pipelayer, paywelder, pipeline groove machine, pipeline bending machine and other tank/pipeline construction equipment, etc.

To familiarize clients fast to use equipment/lines/system we supplied, we can arrange engineers to implement installation, training, and commission. Meanwhile, to better support client to finish their projects, we provide operators for construction, operation or we are able to undertake such work as subcontractor.
 

We can provide OEM service, all the equipment/lines supplied we can produce with client’s brand.

To verify what we supply can well satisfy clients’ requirement, we sincerely would like to invite client to visit us before issuing order. We prefer to set factory acceptance test process before shipment to remove clients’ concerns.

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