| After-sales Service: | 1 Years |
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| Warranty: | 1 Years |
| Type: | Hydraulic |
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Synchronous lifting jack with hydraulic transmission as the core. The motor drives the oil pump, which causes the hydraulic oil to produce pressure and enter the jack cylinder. The high-precision sensor monitors the displacement and load of each jack in real time, and the data is transmitted to the control system. Comparative analysis of control system, accurate control of each jack oil inlet and output, to achieve multiple synchronous operation. Such as bridge construction, the fulcrum jacks are lifted and lifted synchronously to ensure that the beam body is smoothly and accurately in place, with minimal error, and rely on the stable force and intelligent control of hydraulic pressure to complete complex heavy lifting tasks.
| 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 |
1. Flat jack method
The ultra-thin hydraulic jack is placed in the narrow space of the main beam and the cover beam, and the beam body is directly lifted, and the rising speed of the beam body is observed by the dial indicator to ensure the uniform and synchronous lifting of the beam body across the bridge. This method is currently the most widely used jacking method.
2. Saddle type support method
The bridge pier itself is used as support to set up a support on the cover beam, which is designed as a "saddle-type support", and a jack is placed to lift the beam body.
3. Sleeper full support method
Sleeper is arranged on the ground, and on the basis of sleeper, a fully distributed or partial wooden support is arranged on the bridge beam body, and a one-catty top lifting beam body is placed on the support.
Shaanxi Saifusite Mechanical Electrical Equipment Co., Ltd. is a professional engaged in hydraulic mining equipment, hydraulic construction machinery equipment, ultra-high pressure pumping station, oil cylinder research, development, manufacturing and other enterprises.
Shaanxi Saifusite Mechanical Electrical Equipment Co., Ltd. produces various types of splitting gun, splitting rod, splitting machine, digging and drilling machine, electric hydraulic pump, high pressure cylinder, high pressure jack, synchronous lifting equipment, crushing hammer and other hydraulic machines and tools.
Shaanxi Saifusite Mechanical Electrical Equipment Co., has decades of experience in ultra-high voltage equipment. No matter today or in the future, it is absolutely a reliable and excellent brand.
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