Engineers Recommend Post Tension Mono Prestressed Cable Jack

• Certification: RoHS, ISO, CE
• Condition: New
• Automatic Grade: Hydraulic
• Model NO.: SFST27
• Usage: Construction
• Type: Jack
• Name: Post Tension Jack
• Oil Pressure: 25 MPa
• Tonnage: 27 Ton
• Power: Hydraulic
• Oil Pump: Electric, Diesel Pumps
• Tension Force: 257kN
• Transport Package: Wooden Cases
• Specification: 228* 228*372mm
• Trademark: SFST
• Origin: China
• Production Capacity: 500000 Per Year
• Package Size: 30.00cm * 30.00cm * 70.00cm
• Package Gross Weight: 50.000kg
• Lead Time: 10 days (1 - 1 Pieces) ; To be negotiated ( > 1 Pieces)

Product Description

Product Description

The working principle of the front clamp jack is the cooperative operation of the hydraulic push and the clamp brake. The hydraulic pump delivers hydraulic oil to the cylinder, making the piston move forward under oil pressure. The clamping device is firmly stuck in the strand at the initial stage, and the forward extension of the piston drives the strand to stretch, thereby creating prestress inside the strand. During the tensioning process, the pressure and stroke are precisely adjusted by the hydraulic control system to ensure that the prestress meets the design requirements. After reaching the predetermined prestress, the jack keeps the pressure stable and prevents stress relaxation. Finally, the oil return makes the piston return, and the clip releases the steel strand. This principle is widely used in the construction of prestressed concrete structures, such as the prestressed construction of the cable tower of long-span Bridges, to improve the cracking resistance and bearing capacity of the structure

   

Product Parameters

Item	Unit	Value
Nominal tension	KN	257
Nominal oil pressure	MPA	50
Tension piston area	M2	5.137*10
Return piston area	M2	1.335*10
Piercing hole diameter	MM	19
Trolley trip	MM	200
Dimensions	MM	180*568
Return oil pressure	MPA	Less than or equal to 25

Product structure

jack is used in highway bridge, railway bridge, hydropower dam, high-rise building and other prestressed construction projects. Whether the tensile force value of the prestressed tensioning jack device is accurate or not will directly affect the project quality and safety production. Therefore, it is very important to calibrate it and provide accurate and reliable test data. YQC27T and VQC25T type jack is a kind of prestressed core through the front clamp jack, compared with the existing jacks, with the function of preventing the rotation of the steel strand, used in M15, M13 with and without bonding tendons single tensioning, widely used in pre-tensioning, post-tensioning prestressed concrete structure, bridge, rock and soil anchorage and other major projects. Especially suitable for high-altitude operation, easy to carry.
peculiarity
1, Prestressing Mono jack is the prestressing tool anchor, which can save prestressing tendon materials.
2, Prestressing Mono jack is equipped with a number of different gaskets, which can be selected according to the specifications and tension of the clip when working,
3, in the process of tension, Prestressing Mono jack can achieve automatic clamping of prestressing tendons and anchorage, so as to reduce labor intensity and improve efficiency
4, Prestressing Mono jack working to prevent the rotation of the steel strand, to avoid the elongation of the steel strand is too large.

 

Applications

The front clamp jack is mainly used in the field of prestressed engineering.

In bridge construction, it is used for the construction of prestressed beam bodies of all kinds of Bridges, such as prestressed concrete box beams, T beams, etc. When the steel strand is stretched, the front clamp jack can accurately apply prestress, enhance the bending and cracking resistance of the beam body, and ensure the safety of the bridge structure when bearing loads such as vehicles.

In construction engineering, it is suitable for the production of prefabricated components. For example, prestressed tensioning of prefabricated floor slabs, prefabricated piles and other components can improve the bearing capacity and durability of components and reduce the deformation of components during use. At the same time, it is also used for the prestressing construction of the main structure of the building, such as the application of prestress in the long-span concrete structure to ensure the stability of the structure.

In geotechnical anchoring, the front clamp jack is used to stretch the anchor cable. In the engineering of slope reinforcement and deep foundation pit support, the unstable rock and soil body is connected with the stable stratum by applying prestress to the anchor cable, which can effectively prevent the sliding and collapse of the rock and soil body and ensure the safety of the project.


 

Company Profile

Packaging & Shipping

FAQ

 

Q1: Warranty terms of your machine?
A1: One-year warranty for the machine and technical support according to your needs.

Q2: Will you provide some spare parts for the machines?
A2: Yes, of course.

Q3: What about the voltage of products? Can they be customized?
A3: Our standard voltage is 380V, 50HZ, and 3phase. The voltage can be customized according to your equipment.
 
Q4: Which payment term can you accept?
A4: 100% T/T( Decide according to actual situation)

Q5: How long will it take to arrange production?
A5: we can deliver the normal goods within 3-5 working days. Other nonstandard electrical items we will deliver within 25-30 days.
 
Q6: Can you accept OEM orders?
A6: Yes, with a professional design team, OEM orders are highly welcome.
 
Q7: Which trade term can you accept?
A7: Available trade terms: FOB, CIF, CFR, EXW, etc.