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Founded by Henan Jinhuaiyu Machinery & Equipment Co., Ltd., a professional manufacturer headquartered in Zhengzhou, Henan, China, our Automatic Stressing Trolley with Multi-jack Synchronous and Auto Data Recording System is engineered to meet demanding prestressed concrete construction needs. We combine intelligent control, synchronized multi-jack motion, and real-time data recording into one mobile unit, helping contractors achieve precise tensioning with repeatable accuracy. This trolley is designed to streamline the prestressing process, reduce manual labor, and improve overall site productivity.
Key Features & Advantages
- Multi-jack synchronous tensioning: Multiple hydraulic jacks operate in perfect coordination, ensuring uniform load distribution and preventing eccentric stressing.
- Auto data recording system: Automatically captures elongation, load curves, and time-stamped parameters for every tensioning cycle, minimizing human error.
- Mobile stressing trolley design: Equipped with durable wheels and a steel frame, the unit moves easily across the construction site, reducing equipment relocation time.
- Intuitive touch screen interface: Onboard controller allows operators to set target stress values, monitor live data, and store historical records.
- Customizable jack configuration: The trolley can be paired with different jack capacities and stroke lengths, making it adaptable to various strand diameters and prestress levels.
- Safety protection mechanisms: Includes overload alarm, automatic pressure holding, and emergency stop functions to enhance workplace safety.
- Energy-saving hydraulic system: Built-in efficient pump and valve system reduces power consumption while maintaining stable output.
Technical Specifications
| Parameter | Typical Range / Customizable |
| Number of jacks | 2 / 4 / 6 / 8 / customized |
| Jack tension capacity | 100 kN – 3000 kN per jack (optional) |
| Tensioning stroke | 150 mm – 300 mm (customizable) |
| Data recording channels | Up to 8 channels |
| Data export format | CSV / Excel compatible |
| Display | 10-inch touch screen |
| Power | 380V / 50Hz (or as requested) |
| Trolley dimension | Customized according to jack type |
| Weight | Approx. 1500 – 3000 kg (depends on configuration) |
Operational Benefits to Customers
- Higher precision: Synchronous multi-jack control eliminates uneven stressing, ensuring all tendons receive the exact required tension.
- Complete traceability: Automatic data recording provides full documentation for quality inspection, civil engineering acceptance, and project archives.
- Labor savings: One operator can command the entire tensioning process through the touch screen, reducing the need for large crews.
- Faster construction progress: Integrated trolley mobility and pre-programmed tensioning cycles cut idle time between tendon groups.
- Lower total cost: Reduced material waste, less rework, and efficient hydraulic operation improve project profitability.
Trust and Support from Our Factory
Henan Jinhuaiyu Machinery & Equipment Co., Ltd. operates a dedicated factory spanning 1,000–3,000 square meters with a team of 51–100 employees. We maintain a complete production line and strict quality control during manufacturing. Our equipment has been supplied to clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and domestic China, and we ship via Tianjin Port, Shanghai Port, Qingdao Port, and other major mainland China ports. We provide professional pre-sales consultation, after-sales technical support, and can customize the stressing trolley to your specific jack configurations, data management preferences, and site conditions. Please contact us with your project details to receive a tailored quotation.
FAQ
Q1: Can this stressing trolley work with my existing jacks?
Yes, the trolley frame, hydraulic manifold, and control system can be adapted to common jack brands and models. Please provide your jack specifications and we will confirm compatibility.
Q2: How many strands can be tensioned simultaneously?
The number of strands depends on the jack configuration, typically one or two strands per jack. With multiple jacks, you can tension several strands at once in a synchronized manner.
Q3: Is data recording fully automatic or semi-automatic?
It is fully automatic during the tensioning cycle. The system records pressure, elongation, and time without manual input. Operators can review and export records after each cycle.
Q4: What training do you provide for operators?
We provide remote guidance and comprehensive user manuals. On-site training is available upon request as a separate service.
Q5: Can this trolley be used for both post-tensioning and pre-tensioning?
Yes, it is suitable for both methods as long as the jacks and anchor systems match the strand and force requirements.
Q6: How long is the delivery time?
Delivery time typically ranges from 25 to 45 days depending on the customization level and current production schedule. Please confirm when placing your order.
Q7: Does the trolley come with a remote control?
An optional wireless remote control is available. Wired pendant control is included as standard, which is safer for close-range operation.
Q8: What about port shipment?
Our machinery is packaged securely and shipped from Tianjin, Shanghai, Qingdao, or other mainland China ports according to your destination and logistics preferences.
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