公开(公告)号：US11708933B2

公开(公告)日：2023-07-25

申请号：US17030404

申请日：2020-09-24

Applicant: Zhengzhou University ,  WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.

Inventor： Hongyuan Fang ,  Peng Zhao ,  Bin Li ,  Jianwei Lei ,  Chengchao Guo ,  Yanhui Pan ,  Haijun Li ,  Wei Wu ,  Zongsheng Lu

IPC: F16L55/40 ,  F16L55/32 ,  B25J5/00 ,  E21B4/16 ,  F17D5/02 ,  F17D5/00 ,  F16L101/30

CPC classification number: F16L55/40 ,  B25J5/007 ,  E21B4/16 ,  F16L55/32 ,  F16L2101/30

Abstract: The present application discloses a pipeline radar and television inspection robot which includes a robot body, a directional drilling lifting device, a directional drilling rotary device, a directional drilling swing device, a radar, cameras and a driving apparatus; wherein the directional drilling lifting device is on a front part of the robot body; the directional drilling rotary device is on the directional drilling lifting device; the directional drilling swing device is on the directional drilling rotary device; the radar and the cameras are on the directional drilling swing device; the driving apparatus are on a bottom of the robot body. The directional drilling lifting device, the radar and the cameras are plugged in the robot body. The robot body electrically connects to cables which electrically connect to a control system. The cameras and the radar are able to be adjusted and the components are connected as modules.

公开(公告)号：US20230195979A1

公开(公告)日：2023-06-22

申请号：US18110370

申请日：2023-02-16

Applicant: Zhengzhou University

Inventor： Hongyuan Fang ,  Danyang Di ,  Bin Sun ,  Jinping Zhang ,  Bin Li ,  Haobang Hu ,  Cheng Li ,  Chaoyang Zhang

IPC: G06F30/28

CPC classification number: G06F30/28

Abstract: An intelligent decision-making method for maintaining urban underground sewer network includes steps of: analyzing with a sewer network functional defect three-dimensional instantaneous hydraulic model; calibrating parameters by finite element fitting analysis and full-scale test, and verifying accuracy of the sewer network functional defect three-dimensional instantaneous hydraulic model; combining node water level iteration method, Preissmann slit method, Godunov finite volume method and unstructured grid to rebuild a surface-subsurface one-two-dimensional coupled connection model; using R language, dynamic library linking technology, and long-short-term memory neural network method of multi-source data samples for engineering secondary development of the surface-subsurface one-two-dimensional coupled connection model, and obtaining urban sewer network functional defect conditions with waterlogging result labels; and establishing a multi-objective planning intelligent decision-making model for sewer network maintenance and a solving method thereof. The present invention provides intelligent, accurate and scientific management for urban sewer network.

公开(公告)号：US20210010628A1

公开(公告)日：2021-01-14

申请号：US17030404

申请日：2020-09-24

Applicant: Zhengzhou University ,  WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.

Inventor： Hongyuan Fang ,  Peng Zhao ,  Bin Li ,  Jianwei Lei ,  Chengchao Guo ,  Yanhui Pan ,  Haijun Li ,  Wei Wu ,  Zongsheng Lu

IPC: F16L55/40 ,  F16L55/32 ,  B25J5/00 ,  E21B4/16

Abstract: The present application discloses a pipeline radar and television inspection robot which includes a robot body, a directional drilling lifting device, a directional drilling rotary device, a directional drilling swing device, a radar, cameras and a driving apparatus; wherein the directional drilling lifting device is on a front part of the robot body; the directional drilling rotary device is on the directional drilling lifting device; the directional drilling swing device is on the directional drilling rotary device; the radar and the cameras are on the directional drilling swing device; the driving apparatus are on a bottom of the robot body. The directional drilling lifting device, the radar and the cameras are plugged in the robot body. The robot body electrically connects to cables which electrically connect to a control system. The cameras and the radar are able to be adjusted and the components are connected as modules.

公开(公告)号：US11618802B2

公开(公告)日：2023-04-04

申请号：US16858734

申请日：2020-04-27

Applicant: Zhengzhou University ,  SAFEKEY Engineering Technology (Zhengzhou), Ltd.

Inventor： Hongyuan Fang ,  Peng Zhao ,  Lei Wang ,  Yanhui Pan ,  Bin Li ,  Manjun Li ,  Kangjian Yang

IPC: C08G18/42 ,  C08G18/76 ,  C08G18/71 ,  C08K5/1535 ,  C08K5/02 ,  C08G18/20 ,  C08K5/00 ,  C08K5/521 ,  C08K5/07 ,  E02B3/16 ,  C08G101/00

Abstract: The present invention relates to a polymer expanding material in infiltration or seepage multi-water environment and a preparation method thereof, belonging to a technical field of polymer expanding foam materials. The polymer expanding material includes the following parts of materials by weight: 20-30 parts of rosin polyester polyol, 20-50 parts of isocyanate, 20-40 parts of PhireGuard® MB-512, 5-10 parts of HFO-1233zd, 1-2 parts of surfactant, 0.01-1 part of catalyst, and 0.01 parts of benzoyl chloride. The present invention has high sand fixing body strength, fast curing speed, good elastoplasticity, good pouring property and permeability, and good expanding property, which is suitable for infiltration or seepage multi-water environment, especially for dam infiltration, piping, and other problems during construction and subsequent operation of water conservancy projects.

公开(公告)号：US20200255579A1

公开(公告)日：2020-08-13

申请号：US16858734

申请日：2020-04-27

Applicant: Zhengzhou University ,  SAFEKEY Engineering Technology (Zhengzhou), Ltd.

Inventor： Hongyuan Fang ,  Peng Zhao ,  Lei Wang ,  Yanhui Pan ,  Bin Li ,  Manjun Li ,  Kangjian Yang

IPC: C08G18/42 ,  C08G18/76 ,  C08G18/71 ,  C08K5/1535 ,  C08K5/07 ,  C08K5/02 ,  C08G18/20 ,  C08K5/00 ,  C08K5/521

Abstract: The present invention relates to a polymer expanding material in infiltration or seepage multi-water environment and a preparation method thereof, belonging to a technical field of polymer expanding foam materials. The polymer expanding material includes the following parts of materials by weight: 20-30 parts of rosin polyester polyol, 20-50 parts of isocyanate, 20-40 parts of PhireGuard® MB-512, 5-10 parts of HFO-1233zd, 1-2 parts of surfactant, 0.01-1 part of catalyst, and 0.01 parts of benzoyl chloride. The present invention has high sand fixing body strength, fast curing speed, good elastoplasticity, good pouring property and permeability, and good expanding property, which is suitable for infiltration or seepage multi-water environment, especially for dam infiltration, piping, and other problems during construction and subsequent operation of water conservancy projects.