Shaanxi Zhongtuo Mine Equipment Co.,Ltd |
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600t Hydraulic Strand Jack with Synchronous Lifting System
Introduction of Synchronous lifting jack
Synchronous lifting jack is a new type of large-scale component lifting equipment, which is mainly composed of a lifting jack, hydraulic pump station, and control system. The principle is to integrate the prestressed anchorage technology with the hydraulic jack technology, anchor the steel strand through the anchorage, and then use the computer to centrally control the flow and oil pressure output by the hydraulic pump station, drive the piston of the lifting jack to extend and retract, and drive the steel wire. The stranded wire and components are lifted and lowered to achieve the overall synchronous lifting and lowering of large components.
Technical Parameter of Synchronous lifting jack
model | Safe working load | Working pressure MPA | Cylinder stroke mm | Retraction height mm | Jack weight KG | Fixed anchor weight KG | boost speed m/h | Number of strands | Strand diameter |
ZT-TSD15 | 15 | 31.5 | 500 | 1846 | 148 | 3.2 | 0-25 | 1 | 18 |
ZT-TSD45 | 45 | 31.5 | 500 | 1726 | 600 | 28 | 0-25 | 3 | 18 |
ZT-TSD60 | 60 | 31.5 | 500 | 1726 | 630 | 32 | 0-25 | 4 | 18 |
ZT-TSD100 | 100 | 31.5 | 500 | 1790 | 930 | 46 | 70-25 | 7 | 18 |
ZT-TSD180 | 180 | 31.5 | 500 | 1886 | 1560 | 90 | 0-25 | 12 | 18 |
ZT-TSD280 | 280 | 31.5 | 500 | 1938 | 2330 | 130 | 0-25 | 19 | 18 |
ZT-TSD300 | 300 | 31.5 | 500 | 1940 | 2460 | 140 | 0-25 | 20 | 18 |
ZT-TSD400 | 400 | 31.5 | 500 | 2100 | 3396 | 220 | 0-25 | 27 | 18 |
ZT-TSD580 | 580 | 31.5 | 500 | 2220 | 4980 | 260 | 0-25 | 38 | 18 |
ZT-TSD680 | 680 | 31.5 | 500 | 2180 | 5410 | 320 | 0-25 | 45 | 18 |
ZT-TSD800 | 800 | 31.5 | 500 | 2200 | 6880 | 360 | 0-25 | 54 | 18 |
ZT-TSD1000 | 1000 | 31.5 | 500 | 2286 | 8520 | 560 | 0-25 | 66 | 18 |
Working Principle of Synchronous lifting jack
To integrate the prestressed anchor anchoring technology with the
hydraulic jack technology, anchor the steel strand through the
anchor, and then use the computer to centrally control the flow and
oil pressure output of the hydraulic pump station.
The device drives the jack piston to extend and contract
(displacement sensor device)and forces the steel strand and the
component to rise, descend, and continuously translate to realize
the overall synchronous lifting (translation) and lowering
movement.
Applicable fields of Synchronous lifting jack
Widely used in the vertical hoisting or lowering of large-scale structural parts at home and abroad, such as the hoisting of steel box girders of bridges, the lowering of bridge piers and weirs, the hoisting or lowering of hanging blue, the hoisting of chimney steel inner cylinders of power plants or chemical plants, the hoisting of steam drums and stators of power plants, Gantry crane installation, aircraft maintenance garage, gymnasium, and other steel structures and other super-high and super-heavy large-scale structures.
Performance characteristics of Synchronous lifting jack
• Principle: large steel structure hoisting, large bridge erecting, large ocean platform positioning.
• Small lifting equipment, lightweight, large carrying capacity, easy installation and flexible, especially suitable for small spaces or indoor large tonnage components to enhance;
• Increase the weight, span, and area without restriction by expanding the combination of equipment;
• The use of a low relaxation strand, as long as a reasonable load lifting point, lift height is not restricted;
• The lifting jack has self-locking properties of reverse movement to make the lifting process very safe and the components can be locked reliably in any position during the lifting process;
• High degree of automation equipment, easy to operate and flexible, with automatic operation, semi-automatic operation, single-point adjustment, manual operation, and other operations. The display has a liquid crystal display, touch screen display is very intuitive. And the control system is equipped with self-correcting protection program, even if the misuse will not cause security incidents.
• Construction with this equipment, short construction period, low cost, good economic returns.
Process and Technology of Synchronous lifting jack
1. Scope of application
This technology is suitable for the overall lifting of steel mast
antennas of TV towers and the overall lifting of grids, roofs,
steel overpasses, and other components of large-scale public works
such as gymnasiums, swimming pools, hangars, theaters, waiting for
(ship) rooms, etc. The overall lifting of the crane's main beam and
the slippage of the steel roof truss (cover) of the main building
of the airport terminal.
2. Methods and Features
Lifting method
At present, the methods of "steel strand suspension load-bearing,
hydraulic lifting jack cluster, and computer control
synchronization" are mostly adopted. There are two methods as
follows:
①Pull-up type (that is, lifting type): The hydraulic lifting jack
is set on the permanent column of the load-bearing structure, the
upper end of the suspended steel strand is fixed (anchored) with
the hydraulic lifting jack through the core, and the lower end and
the lifting member are anchored and anchored with special tools.
Connected together, like "lifting water from the good platform",
the hydraulic lifting jack holds the steel strand and lifts it up,
thereby lifting the component to the installation height. This
scheme is the pull-up lift type.
②Climbing type (climbing pole type): the upper end of the suspended
steel strand is fixed on the permanent structure (or the foundation
or the temporary reinforcement facility connected with the
permanent object), and the hydraulic lifting jack is set at the
lower end of the steel strand (hydraulic lifting jack The anchor is
connected to the component), like a "monkey climbing pole", the
hydraulic lifting jack holds the steel strand and climbs up,
thereby lifting the component to the installation height.
The climbing type is most suitable for the lifting of upright
members with high lifting height, general projection area and
relatively light weight, such as steel mast antennas of TV towers.