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China, Chinese Prestressing100 Ton 200ton 300t Double Acting Hydraulic Cylinder Lifting Pushing Solid Jack1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Lifting JackPrestressing JackTension Jack
Guangxi Xiruier Intelligent Technology Co., Ltd.
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Product Description Product Description The 500-ton prestressed solid jack is a medium-tonnage hydraulic device designed specifically for prestressing construction. It is primarily used in applications requiring medium-tonnage prestressing in bridges, building structures, hydraulic engineering, and other applications.Main Applications1. Prestressed Concrete Construction: Used for tensioning prestressed steel strands in bridge T-beams, box girders, and continuous beams, as well as for prestressing precast panels and pipe piles.2. Anchor Cable Tensioning: Used in slope support, foundation pit retaining, and tunnel lining projects to tension and secure prestressed anchor cables and enhance the structure's resistance to slippage and deformation.3. Equipment Installation and Pushing: Used with appropriate tooling, it can be used for lifting and moving heavy equipment as a whole, or for pushing during bridge erection (either single or multiple units operating simultaneously). Product ParametersparameterOur AdvantagesWe support customizationAdvantages of Prestressed Solid Jacks1. High Strength and DurabilityThe solid piston rod is made of high-strength alloy steel, offering strong tensile and bending resistance. It can withstand extremely high tension forces (up to thousands of tons) and resists deformation over long periods of use, making it suitable for large-span, heavy-load projects.2. Compact Structure and Flexible OperationCompared to hollow jacks, solid structures are more compact, smaller, and lighter (relative to equipment of the same tonnage), making them easier to operate in confined spaces (such as within bridge box girders and prefabricated components of high-rise buildings), and making installation and movement more convenient.3. High PrecisionEquipped with a high-precision hydraulic control system and pressure sensor, the prestressing force can be precisely controlled (typically with an error of ≤1%), ensuring that the prestressing force meets design requirements and avoiding engineering hazards caused by under- or over-tensioning.4. Excellent Stability and SafetyThe solid structure distributes force evenly, preventing unbalanced loads or vibration during tensioning, reducing the risk of anchor slippage due to equipment sway. Furthermore, the excellent sealing performance minimizes hydraulic oil leakage and reduces maintenance costs. 5. Wide Range of ApplicationsIt is compatible with various prestressing systems (such as post-tensioning and pre-tensioning) and is compatible with steel strands and wire bundles of varying specifications, meeting the prestressing construction requirements of various projects, including bridges, tunnels, high-rise buildings, and hydropower dams.6. Easy MaintenanceThe internal structure is relatively simple, with few wearing parts. Routine maintenance primarily involves seal replacement and hydraulic oil cleaning, resulting in low maintenance costs and a long service life.Installation InstructionsBased on the principle of hydraulic transmission, pressure oil is provided by an external high-pressure oil pump (usually a 63MPa dual-circuit oil pump). The pressure oil enters the tensioning cylinder chamber of the jack, pushing the piston out, driving the connected prestressed tendons (or anchors) to generate axial tension; after reaching the designed tensioning force, the prestressed tendons are locked by the anchor, and then oil is supplied through the return cylinder to drive the piston to retract, completing a tensioning cycle. CertificationsapplicationPrestressed solid jacks, due to their high strength, high stability, high tensioning precision, and compact structure, are widely used in various large-scale projects requiring prestressing of structural members. Specific application areas are as follows:1. Bridge Engineering- Beam Construction: In the post-tensioning construction of precast beams (such as T-beams, box beams, and simply supported beams), continuous beams, cable-stayed bridges, and suspension bridges, they are used to tension steel strands or wire bundles. By prestressing the beam, they improve its crack resistance and load-bearing capacity, and reduce subsequent deformation.- Bridge Reinforcement: When reinforcing and renovating existing bridges, external prestressing techniques are used to tension additional prestressed tendons, enhancing the overall strength of the bridge structure and extending its service life.2. Construction Engineering- High-Rise Buildings and Long-Span Structures: In frame structures, shear walls, transfer beams, and other components, prestressing reduces concrete cracks and improves the shear and flexural properties of the structure. They are suitable for long-span floor slabs and roofs (such as stadiums and exhibition centers). - Prefabricated Component Installation: In prefabricated buildings, prefabricated wall panels, composite beams, and other components often require prestressing to achieve tight connections and enhance overall rigidity.3. Water Conservancy and Power Engineering- Dams and Sluices: In hydraulic structures such as concrete dams, spillways, and sluices, prestressed tendons are tensioned to offset the tensile stress generated by water pressure, prevent structural cracking, and ensure dam stability.- Tunnels and Pipelines: Prestressed construction of tunnel linings and pressure pipes (such as water and gas pipelines) enhances structural impermeability and internal pressure resistance.4. Railway and Rail Transit Engineering- Railway Bridges and Sleepers: In high-speed and conventional railway bridges (such as box girders) and ballastless track slabs, prestressing ensures track smoothness and long-term structural stability, reducing deformation under train loads. - Subway Engineering: Prestressing is applied to precast segments or cast-in-place components in subway tunnels and station structures to resist ground and water pressure, improving structural safety.5. Geotechnical Engineering and Special Structures- Slope and Foundation Pit Support: In the reinforcement of deep foundation pits and high slopes, prestressed anchor rods and cables are tensioned, and solid jacks are used to provide stable prestressing force, enhancing the anti-slip resistance of the rock and soil.- Special Structures such as Chimneys and Cooling Towers: During the construction of the walls of large industrial chimneys and cooling towers, hoop prestressing is used to resist the tensile forces generated by the structure's own weight and external loads (such as wind loads), preventing cracking.6. Lifting and Installation Engineering- During the installation and positioning of large equipment (such as heavy machinery and steel structures), the precise tensioning capacity of solid jacks can be used to fine-tune components or temporarily secure them, ensuring installation accuracy.Company Profile Our factory has a 20-year history and operates its own foreign trade company. We are backed by an excellent technical team. With the guidance of experienced prestressing experts, we Lingqiao's prestressing anchorage, jack, pump, and other prestressing equipment are constantly improving to meet construction needs.Our products are widely used in many projects, including highways, railways, bridges, bulding construction, hydroelectric projects, TV towers, large containers, rock anchors, and ground anchors. FAQ FAQ:Q1: Are you a factory or trade company?A1: We are a factory. And we have ourselves trading company. Q2: How long is the warranty period?A2: One year warranty. Looking forward to your consultation and repurchase~~ Q3: Warranty terms of your machine?A3: One-year warranty for the machine and technical support according to your needs.Q4: Will you provide some spare parts for the machines?A4: Yes, of course.Q5: What about the voltage of products? Can they be customized?A5: Our standard voltage is 380V, 50HZ, and 3phase. The voltage can be customized according to your requirements. Q6: Which payment term can you accept?A6: 100% T/T( Decide according to actual situation)Q7: How long will it take to arrange production?A7: we can deliver the normal goods within 7-15 days. Other nonstandard electrical items we will deliver within 25-30 days. Q8: Can you accept OEM orders?A8: Yes, with a professional design team, OEM orders are highly welcome. Q9: Which trade term can you accept?A9: Available trade terms: FOB, CIF, CFR, EXW, etc.Q10: Do you provide samples? Is it free or extra?A10: Yes, we could offer you the sample machine. But it's not free. You need to pay for the sample and the cost of the freight.Q11: What are your terms of payment?A11: We accept T/T, Western Union, Money Gram, Paypal, L/C, etc. Why you choose us:1. We are a real factory offering products and providing free technical advice.2. Company in business for many years and served Over 50 countries' customers.3. All machines with CE, ISO, and SGS certificates. Machine and spindle warranty 1 year. 4. We have phone support in English, if you have any questions, you can call us, and we can give you the best solution within 24 hours.5. Fast delivery, save your time. Contact us and give you the best price~~
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