Do you need any help? We are here to help!

Please contact us to provide you with satisfactory products and become a reliable supplier and service provider in the industry

Home page

Solutions to Common Issues with Front Car Jacks (the 27t/30t models you asked about earlier)

Release time:

2026-03-19

Apply anchor release agent and replace the tool anchor regularly; retract slowly.

1. The tool anchor is seized and cannot be retracted

→ Apply anchor release agent and replace the tool anchor regularly; retract slowly.

2. Insufficient tensioning stroke

→ Calculate the total elongation in advance; if insufficient, perform a second tensioning.

3. Oil leakage or loss of power

→ Replace the seals and clean the piston.

Latest News

The Overall Outlook for the International Bridge Engineering Industry

The bridge industry is transitioning from labor-intensive to technology-intensive, green and smart, and asset-service oriented. Chinese enterprises lead globally in ultra-long-span bridges, smart construction, and cost control, with vast potential for overseas expansion and the export of standards.

2026-05-28

Common Safety Hazards (Important to Note)

1. Personnel at the tensioning end → Do not stand directly behind the jack 2. Stranding rebound → Install protective barriers

2026-04-16

Solutions to Common Issues with Front Car Jacks (the 27t/30t models you asked about earlier)

Apply anchor release agent and replace the tool anchor regularly; retract slowly.

2026-03-19

Excessive retraction of the steel strand

Replace with qualified clamping plates Adjust the height of the stop plate

2026-01-21

Solutions for Poorly Compacted Grout, Voids, and Grout Leakage in Ducts

Ensure accurate cement slurry mix proportions and control the slump between 14 and 18 seconds. Use vacuum-assisted grouting with a negative pressure of -0.06 to -0.08 MPa.

2025-12-13

Solution for Asynchronous Tensioning (Tensioning at Both Ends)

Significant pressure difference between the two ends; the elongation values do not match.

2025-11-15