|
CN112240208A
|
|
Airborne turnover type supporting operation platform and cantilever excavator
|
|
CN112157242A
|
|
Composite hob ring and preparation method thereof
|
|
CN112031799A
|
|
Edge hob cutter ring, edge hob comprising same and rock breaking method using same
|
|
CN111805173A
|
|
Combined machining process for shield edge scraper 45-degree die forging blank
|
|
CN111594195A
|
|
Pressure self-adaptation shield constructs hobbing cutter
|
|
CN111550254A
|
|
Novel hobbing cutter structure suitable for high-temperature stratum
|
|
CN111504423A
|
|
Oil level detection device and method for cutting arm bearing of cantilever excavator
|
|
CN111273227A
|
|
Laser scanning measurement system and method for rock drilling jumbo
|
|
CN110550398A
|
|
belt storage bin with belt turning structure and tunnel belt conveyor
|
|
CN110530358A
|
|
Car body navigation positional device and navigation system and method
|
|
CN110687839A
|
|
Wet spraying trolley communication interconnection control device and wet spraying trolley pumping system
|
|
CN110541347A
|
|
large-span full-hydraulic tire walking type tunnel inverted arch trestle and construction method
|
|
CN110513131A
|
|
A kind of a wide range of Varied section movable type splash guard laying trolley
|
|
CN110550382A
|
|
telescopic vertical lifting belt conveyor
|
|
CN110486030A
|
|
The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section
|
|
CN110374632A
|
|
Shield tunnel synchronization lining wholecircle formwork jumbo and construction method
|
|
CN110373521A
|
|
TBM hob cutter ring complex phase strenthen-toughening mechanizm technique
|
|
CN110439558A
|
|
A kind of cantilever excavator pick state of wear detection system and method
|
|
CN110303327A
|
|
Cantilever excavator creeper tread disassemblerassembler and method
|
|
CN110185465A
|
|
Cutting units, tunneling equipment and driving method
|
