Precast culvert mold

Concrete：

Precast Concrete Box Culvert Mold. Including: inner mold, outer mold, chassis and vibrator. Forming method: Wet concrete and vibration forming Demoulding method: The outer mold is automatically pushed and pulled. The inner mold shrinks automatically. The entire production process does not require any bolts Maintenance: Natural maintenance or steam curing Vibration time: 10~20 minutes per group Box culvert mould features:1. The inner mold adopts an automatic expansion and contraction structure, and the contraction and expansion of the inner mold is realized through a light lifting device. The process is simple, efficient, reliable and has good sealing performance. It is present domestically and worldwide. state-of-the-art technology;2. The outer mold adopts the form of built-in pull-out guide rail. The outer mold guide rail goes deep into the chassis, and one end of the rail supports the outer mold, which makes the combination and separation of the outer mold accurate and reliable, simple, practical and efficient; the built-in guide rail adopts a fully enclosed form. can get into mortar and debris;3. The inner and outer molds all adopt the quick-locking device, without screws, the mold disassembly and assembly is convenient and fast; the disassembly efficiency of the mold is greatly improved.