CRCHI self-developped ZZQ series invert trestle is specially designed for tunnel construction, which has hydraulic crawler device and can be configured according to customer needs to meet the requirements of mechanization, standardization and safety during construction.
The series of products, with different optional functions, are suitable for different tunnel sections.
Compared with traditional trestle, invert trestle has solved the issues that construction of tunnel face and invert cannot be conducted simutaneously.
One-time cementing for 24 meters invert improves its quality, reduces the cycles of work and saves the manpower and time.
High automation and saving manpower and material resources.
Full series of specification to meet different requirements of tunnel construction.
Hydralic cylinders equipped at front and rear maitain the level of trestle deck to ensure vehicle passing stably.
| Item || Unit || Parameters |
|Length of invert ||m ||24 |
|Length of trestle ||m ||29.5 |
|Width of pass ||m ||3.4 |
|Max load ||t ||55 |
|Total lenth ||m ||42.7 |
|Total width ||m ||4.3 |
|Total weight ||t ||50 |
|Travel method || ||Crawler |