station search
Your Current Location: Home >Research Center> R & D patents
  Research Center
R & D patents
Type:
Key:
 

R & D patents
 
       It can drive not only clamped pile but also top-stroke pile or adopt the combination of the two methods mentioned above.This feature is applicable for square pile, thick or thin tube pile and some special shaped piles like H-shaped pile.It has gained national invention patent.Patent number:ZL02139875.5.
       The unique original structure design of lifting leg has changed the supporter of radial force from the lifting cylinder fo pile drver druing longitudinal traveling.By this way,it is possible to avoid the damage of the lifting cylinder rod and the guide thimble,reflecting on counter-pull,no-impulsion and weariness-resistant.It has gained national invention patent.Patent number:ZL01249443.7
  Top
 
 Product List
ZYC Hydraulic Pressure Static
JBY series Hydraulic Foot-step
CFG Series Long Screw Drilling
 News Search
Key:
Type:
Year:
Month:
Data:
 
HUNAN NEW TIMEHOPE CONSTRUCTION MACHINERY CO.,LTD COPY
Tel:0086-731-2310680 13908479128 Fax:0086-731-2310680 E_mail: nth@hnxth.com
Company Address:16th Xinkaipu Changsha City in Hunan Province XINAG ICP RECORD 05050643