No |
Patent Name |
Patent No |
1 |
Engineering drilling rig with forward and reverse gear |
ZL200420114412.X |
2 |
Gear box of engineering drilling rig |
ZL200420114942.4 |
3 |
Turning seal device of ZKD |
ZL200420114941.X |
4 |
Rotary disc with arc teeth of engineering drilling rig |
ZL200520039613.2 |
5 |
Auxiliary winch of engineering drilling rig |
ZL200520039460.1 |
6 |
Multi-function drilling rig |
ZL200620043121.5 |
7 |
Grab bucket of hydraulic diaphragm wall grab |
ZL200620043122.X |
8 |
Zero position adjustment device of hydraulic diaphragm wall grab |
ZL200620049464.2 |
9 |
Zero adjustment device of hydraulic diaphragm wall |
ZL200620049463.8 |
10 |
Zero adjustment device of hydraulic diaphragm wall |
ZL200620049465.7 |
11 |
Rotary drive transmission device of muti-functional drilling rig |
ZL200720069396.0 |
12 |
Lift up and down guiding rail of device for the underground lateral wall |
ZL200820150046.1 |
13 |
Corner device of cutting device for the underground lateral wall |
ZL200820150049.5 |
14 |
Corner device of cutting device for the underground lateral wall |
ZL200820150050.8 |
15 |
Cutting device for underground lateral wall |
ZL200820150051.2 |
16 |
Dual cutting bars used for underground lateral wall |
ZL200820150052.7 |
17 |
Power device for the underground lateral wall |
ZL200820150047.6 |
18 |
Retaining bracket of the cutting bar for the underground lateral wall |
ZL200820150048.0 |
19 |
a kind of drilling bit with impaction, ratation and drying residue discharging |
ZL200820155936.1 |
20 |
a kind of excavation device |
ZL200820155937.6 |
21 |
a kind of impact grab |
ZL200820155938.0 |
22 |
a kind of diaphragm wall grab with double winches |
ZL200920068970.X |
23 |
a kind of hoisting pulley for diaphragm wall grab |
ZL200920070119.0 |