| After-sales Service: | 1 Years |
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| Warranty: | 1 Years |
| Type: | Hydraulic |
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When lifting the jack synchronously, the hydraulic pump first pressurizes the hydraulic oil to the hydraulic cylinder of the jack. Inside the hydraulic cylinder, with the injection of hydraulic oil, the pressure gradually increases, pushing the piston upward movement. The piston is connected to the ejector rod, so the ejector rod also rises, lifting the weight. The synchronous lifting function relies on advanced monitoring and control systems. Sensors are installed at key locations in each jack, continuously collecting data such as travel, speed, pressure and so on. This data is transmitted to the central control system and is quickly analyzed and processed. If it is found that the lifting progress of a jack is inconsistent with other jacks, the control system will change the working state of the jack by adjusting the flow direction and flow rate of the hydraulic oil, so that it can re-reach the synchronization state with other jacks. This ensures a smooth and coordinated process when lifting large steel structures or other heavy objects.
| Model | Safe working load | Working pressure MPA |
Cylinder stroke mm |
Retraction height mm |
Jack weight KG |
Fixed anchor weight KG |
Speed m/h |
Number of strands | Strand diameter mm |
| SFST-TSD45 | 45 | 31.5 | 500 | 1726 | 600 | 28 | 0-25 | 3 | 18 |
| SFST-TSD60 | 60 | 31.5 | 500 | 1726 | 630 | 32 | 0-25 | 4 | 18 |
| SFST-TSD100 | 100 | 31.5 | 500 | 1790 | 930 | 46 | 70-25 | 7 | 18 |
| SFST-TSD180 | 180 | 31.5 | 500 | 1886 | 1560 | 90 | 0-25 | 12 | 18 |
| SFST-TSD280 | 280 | 31.5 | 500 | 1938 | 2330 | 130 | 0-25 | 19 | 18 |
| SFST-TSD300 | 300 | 31.5 | 500 | 1940 | 2460 | 140 | 0-25 | 20 | 18 |
Bridge jacking synchronous jack characteristics:
Bridge maintenance, bridge jacking and bearing replacement
Hoisting, descending and weighing of heavy structures
Center of gravity measurement, reinforced support/load transfer from temporary support to fixed support
Heavy equipment installation, bridge section jacking and box jacking.
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