Patents by Inventor Fude Zhang

Fude Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8555442
    Abstract: The invention provides a special launching carrier with variable position platform and a method for bridge erection using the same. The special launching carrier with variable position platform comprises a special carrier for erection bridge beam and an under-bridge machine with platform. The special carrier for erecting beam comprises a main beam, a front wheel group, a rear wheel group and a lifting device; the under-bridge machine with platform comprises a under-bridge, a rotatable rear leg, a front roller, a middle roller, a rear roller and an erecting trolley arranged on the under-bridge, and the variable position platforms are installed on both sides of tail portion of the under-bridge. When erecting bridge beam, the front wheel group moves onto the variable position platforms, which may be elevated and folded in terms of conditions of the first and last spans of different bridges, so that the bridge erection is achieved.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: October 15, 2013
    Assignee: Beijing Wowjoint Machinery Co.
    Inventors: Yabin Liu, Shengjun Zhang, Da Pan, Fude Zhang
  • Publication number: 20130055512
    Abstract: The invention provides a special launching carrier with variable position platform and a method for bridge erection using the same. The special launching carrier with variable position platform comprises a special carrier for erection bridge beam and an under-bridge machine with platform. The special carrier for erecting beam comprises a main beam, a front wheel group, a rear wheel group and a lifting device; the under-bridge machine with platform comprises a under-bridge, a rotatable rear leg, a front roller, a middle roller, a rear roller and an erecting trolley arranged on the under-bridge, and the variable position platforms are installed on both sides of tail portion of the under-bridge. When erecting bridge beam, the front wheel group moves onto the variable position platforms, which may be elevated and folded in terms of conditions of the first and last spans of different bridges, so that the bridge erection is achieved.
    Type: Application
    Filed: March 28, 2011
    Publication date: March 7, 2013
    Applicant: BEIJING WOWJOINT MACHINERY CO
    Inventors: Yabin Liu, Shengjun Zhang, Da Pan, Fude Zhang