Patents by Inventor Zenghai Shan

Zenghai Shan 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: 11603294
    Abstract: Provided are a method and a system for controlling operation of a crane, and a crane. The method includes: scanning dynamically, by a 3D imaging device, a plurality of objects within an operating range of the crane to obtain 3D spatial information of each of the plurality of objects, wherein the plurality of objects includes the crane and an obstacle, the 3D spatial information includes 3D spatial coordinates; determining a distance from the obstacle to a preset position of the crane based on the 3D spatial coordinates of the crane and the obstacle; judging whether the distance from the obstacle to the preset position is less than a preset distance corresponding to the preset position; and performing an alarm if the distance from the obstacle to the preset position is less than the preset distance corresponding to the preset position.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: March 14, 2023
    Assignee: Xuzhou Heavy Machinery Co., Ltd
    Inventors: Zenghai Shan, Changjian Zhu, Lijing Li, Junfei Chai, Lei Li
  • Patent number: 11364950
    Abstract: The present application discloses a steering control system, a method and a crane. The steering control system includes: one or more first angle sensors, one or more second angle sensors, and a steering controller; each of the first angle sensors collects an actual steering angle of a wheel corresponding to a mechanical steering axle as a first steering angle; each of the second angle sensors an actual steering angle of a wheel corresponding to an electrically controlled steering axle as a second steering angle; the steering controller obtains a theoretical steering angle of the wheel corresponding to the electrically controlled steering axle in a corresponding travel mode according to the first steering angle, and compares the second steering angle with the theoretical steering angle, to control the wheel corresponding to the electrically controlled steering axle to steer according to a difference therebetween.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: June 21, 2022
    Assignee: XUZHOU HEAVY MACHINERY CO., LTD.
    Inventors: Zenghai Shan, Jiankai Chen, Yunwang Ma, Zongjia Yu, Yufeng Zhao, Liufu Zhao, Pengcheng Lu
  • Patent number: 11247878
    Abstract: The present disclosure discloses an operating method of a wind power jib of a crane and a crane, and relates to the field of engineering machinery. The method includes the following steps: rotatably connecting a main boom and a wind power jib; overturning the wind power jib to a first preset position by using a traction means of the crane; contacting a cushioning member with the wind power jib provided at the first preset position; further drawing the wind power jib to overturn to a second preset position; releasing the traction means, such that the wind power jib overturns automatically under the effect of self gravity and a cushioning member until the wind power jib is overturned in position.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: February 15, 2022
    Assignee: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Zenghai Shan, Ruixue Zhao, Zhican Chen, Shouwei Wang, Zhengde Zhang, Pinghai Zhang
  • Publication number: 20210229962
    Abstract: A crane hydraulic system and a controlling method of the system is provided in order to fundamentally reduce impact in start and stop operations of a load sensing winch system. The load sensing subsystem is arranged, at the start and stop moments of a winch system, the pressure compensator can be opened, and the variable pump oil inlet line communicates with the oil return line to realize pressure relief, so as to reduce the pressure impact.
    Type: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Inventors: Zenghai Shan, Xiaodong Hu, Guowang Jiao, Bin Zhou, Conglin Yuan
  • Publication number: 20210221657
    Abstract: The present disclosure discloses an operating method of a wind power jib of a crane and a crane, and relates to the field of engineering machinery. The method includes the following steps: rotatably connecting a main boom and a wind power jib; overturning the wind power jib to a first preset position by using a traction means of the crane; contacting a cushioning member with the wind power jib provided at the first preset position; further drawing the wind power jib to overturn to a second preset position; releasing the traction means, such that the wind power jib overturns automatically under the effect of self gravity and a cushioning member until the wind power jib is overturned in position.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 22, 2021
    Inventors: Zenghai Shan, Ruixue Zhao, Zhican Chen, Shouwei Wang, Zhengde Zhang, Pinghai Zhang
  • Patent number: 11015663
    Abstract: The present disclosure provides a lifting device comprising: a telescopic boom, comprising a basic section, at least one primary telescopic section and at least one secondary telescopic section; a telescopic control mechanism, comprising a primary telescopic drive mechanism that controls synchronous telescoping of the at least one primary telescopic section and a secondary telescopic drive mechanism that controls synchronous telescoping of the at least one secondary telescopic section; a torque limiter, comprising a first length sensor and a second length sensor, wherein a first sensor body and a telescopic end of a first length measuring cable of the first length sensor are respectively connected to tails of adjacent two section in the basic section and the at least one primary telescopic section; and a second sensor body and a telescopic end of a second length measuring cable of the second length sensor are respectively connected to tails of adjacent two section in the primary telescopic section adjacent to
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: May 25, 2021
    Assignee: XUZHOU HEAVY MACHINERY CO., LTD.
    Inventors: Zenghai Shan, Lifeng Cao, Yanan Sun, Guangzhi Cao, Quansheng Huang, Qiang Song, Wenlong Yang
  • Patent number: 10988354
    Abstract: The present disclosure discloses an operating method of a wind power jib of a crane and a crane, and relates to the field of engineering machinery. The method includes the following steps: rotatably connecting a main boom and a wind power jib; overturning the wind power jib to a first preset position by using a traction means of the crane; contacting a cushioning member with the wind power jib provided at the first preset position; further drawing the wind power jib to overturn to a second preset position; releasing the traction means, such that the wind power jib overturns automatically under the effect of self gravity and a cushioning member until the wind power jib is overturned in position.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: April 27, 2021
    Assignee: XUZHOU HEAVY MACHINERY CO., LTD.
    Inventors: Zenghai Shan, Ruixue Zhao, Zhican Chen, Shouwei Wang, Zhenge Zhang, Pinghai Zhang
  • Patent number: 10822211
    Abstract: The present disclosure relates to the technical field of cranes, and in particular to a crane hydraulic control system and a crane. The crane hydraulic control system of the present disclosure includes a prime mover, an execution control mechanism, a hydraulic baking device, a running energy recycling device and an operation energy recycling device. By means of cooperation among the operation energy recycling device, the energy recovery device and the hydraulic energy conversion device, kinetic energy in a driving braking process of the crane and the potential energy in a load lowering process are respectively converted into hydraulic energy for recovery, storage and reuse, therefore, the present disclosure can achieve the recovery of the superstructure energy and the lower vehicle energy of the crane so as to effectively reduce the energy waste.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: November 3, 2020
    Assignee: XUZHOU Heavy Machinery Co., LTD.
    Inventors: Zenghai Shan, Quan Dong, Donghong Liu, Xiaoqiang Xiang, Zhengde Zhang, Yongjian Deng, Shuai Wang, Xiaodong Hu, Xiaojie Du, Weichao Zhong, Jianying Han
  • Patent number: 10730724
    Abstract: A wheeled crane and self-demounting and self-mounting methods for supporting legs thereof is disclosed. The wheeled crane includes a vehicle frame and auxiliary supports, and the auxiliary supports can enable the vehicle frame to keep balance. Since the wheeled crane has auxiliary supports, when the supporting legs are demounted or mounted, the auxiliary supports function as supporting legs, so that the supporting legs can be mounted and demounted by the operation part of the wheeled crane with no need of using an auxiliary crane, and thus the self-mounting and self-demounting of the supporting legs of the wheeled crane are realized.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 4, 2020
    Assignee: XUZHOU HEAVY MACHINERY CO., LTD.
    Inventors: Zenghai Shan, Honggang Ding, Hao Shu, Li Li, Housheng Wang, Haibing Ji, Jing Jiang, Jianjun Song
  • Publication number: 20200124117
    Abstract: The present disclosure provides a lifting device comprising: a telescopic boom, comprising a basic section, at least one primary telescopic section and at least one secondary telescopic section; a telescopic control mechanism, comprising a primary telescopic drive mechanism that controls synchronous telescoping of the at least one primary telescopic section and a secondary telescopic drive mechanism that controls synchronous telescoping of the at least one secondary telescopic section; a torque limiter, comprising a first length sensor and a second length sensor, wherein a first sensor body and a telescopic end of a first length measuring cable of the first length sensor are respectively connected to tails of adjacent two section in the basic section and the at least one primary telescopic section; and a second sensor body and a telescopic end of a second length measuring cable of the second length sensor are respectively connected to tails of adjacent two section in the primary telescopic section adjacent to
    Type: Application
    Filed: June 20, 2019
    Publication date: April 23, 2020
    Inventors: Zenghai Shan, Lifeng Cao, Yanan Sun, Guangzhi Cao, Quansheng Huang, Qiang Song, Wenlong Yang
  • Patent number: 10583860
    Abstract: A steering arm assembly includes a steering arm body, a first rotary connecting part and a second rotary connecting part. A first end and a second end of the steering arm body are fixedly connected with a first rocker arm and a second rocker arm, respectively. The first rotary connecting part and the second rotary connecting part are respectively connected with the first end and the second end of the steering arm body, and the steering arm body is configured to rotate relative to the first rotary connecting part and the second rotary connecting part. The steering arm body is able to be detachably located on a mounting bracket through the first rotary connecting part and the second rotary connecting part; and the first rotary connecting part and the second rotary connecting part respectively include a first shaft housing and a second shaft housing, which are engaged with a first mounting plate and a second mounting plate respectively.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: March 10, 2020
    Assignee: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Zenghai Shan, Honggang Ding, Yafu Zhu, Zhifang Wang, Yunwang Ma, Li Li
  • Patent number: 10544013
    Abstract: The present invention discloses a power transmission control method and device for a crane and the crane. The method includes: setting the maximum working displacement of a secondary element corresponding to each gear of the crane; determining the current gear state and specific gear of the crane; determining the working mode of the secondary element from the gear state, and setting the maximum allowable displacement of the secondary element as the maximum working displacement corresponding to the specific gear.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: January 28, 2020
    Assignee: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Zenghai Shan, Quan Dong, Shuai Wang, Yunbo Xiao, Zhende Zhang, Jie Kong, Jing Zhao
  • Publication number: 20190345010
    Abstract: The present disclosure provides a method and a system for controlling operation of a crane, and a crane, relating to the technical field of engineering machinery. The method includes: scanning dynamically, by a 3D imaging device, a plurality of objects within an operating range of the crane to obtain 3D spatial information of each of the plurality of objects, wherein the plurality of objects comprises the crane and an obstacle, the 3D spatial information comprises 3D spatial coordinates; determining a distance from the obstacle to a preset position of the crane based on the 3D spatial coordinates of the crane and the obstacle; judging whether the distance from the obstacle to the preset position is less than a preset distance corresponding to the preset position; and performing an alarm if the distance from the obstacle to the preset position is less than the preset distance corresponding to the preset position.
    Type: Application
    Filed: December 27, 2016
    Publication date: November 14, 2019
    Applicant: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Zenghai SHAN, Changjian ZHU, Lijing LI, Junfei CHAI, Lei LI
  • Publication number: 20190337775
    Abstract: The present disclosure relates to the technical field of cranes, and in particular to a crane hydraulic control system and a crane. The crane hydraulic control system of the present disclosure includes a prime mover, an execution control mechanism, a hydraulic baking device, a running energy recycling device and an operation energy recycling device. By means of cooperation among the operation energy recycling device, the energy recovery device and the hydraulic energy conversion device, kinetic energy in a driving braking process of the crane and the potential energy in a load lowing process are respectively converted into hydraulic energy for recovery, storage and reuse, therefore, the present disclosure can achieve the recovery of the superstructure energy and the lower vehicle energy of the crane so as to effectively reduce the energy waste.
    Type: Application
    Filed: December 30, 2016
    Publication date: November 7, 2019
    Applicant: XUZHOU Heavy Machinery Co., LTD.
    Inventors: Zenghai SHAN, Quan DONG, Donghong LIU, Xiaoqiang XIANG, Zhengde ZHANG, Yongjian DENG, Shuai WANG, Xiaodong HU, Xiaojie DU, Weichao ZHONG, Jianying HAN
  • Patent number: 10465725
    Abstract: The invention relates to a cylinder head body, a single cylinder bolt system and a crane, wherein, the cylinder head body comprises at least two branch bodies of cylinder head body, a cooperative positioning structure and a fixed connection structure are provided between two adjacent branch bodies of cylinder head body of the at least two branch bodies of cylinder head body, the branch body of cylinder head body has a cylindrical branch body structure, the cylindrical branch body structures of the at least two branch bodies of cylinder head body are cooperatively positioned by means of the cooperative positioning structure and are detachably connected by means of the fixed connection structure to form a barrel.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: November 5, 2019
    Assignee: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Zenghai Shan, Quan Dong, Yongjian Deng, Chenglin Xiao, Feng Zhu
  • Publication number: 20190329819
    Abstract: The present application discloses a steering control system, a method and a crane. The steering control system includes: one or more first angle sensors, one or more second angle sensors, and a steering controller; each of the first angle sensors collects an actual steering angle of a wheel corresponding to a mechanical steering axle as a first steering angle; each of the second angle sensors an actual steering angle of a wheel corresponding to an electrically controlled steering axle as a second steering angle; the steering controller obtains a theoretical steering angle of the wheel corresponding to the electrically controlled steering axle in a corresponding travel mode according to the first steering angle, and compares the second steering angle with the theoretical steering angle, to control the wheel corresponding to the electrically controlled steering axle to steer according to a difference therebetween.
    Type: Application
    Filed: December 27, 2016
    Publication date: October 31, 2019
    Inventors: Zenghai SHAN, Jiankai CHEN, Yunwang MA, Zongjia YU, Yufeng ZHAO, Liufu ZHAO, Pengcheng LU
  • Publication number: 20190322497
    Abstract: The present disclosure relates to a hydraulic cylinder, a hydraulic system and a crane.
    Type: Application
    Filed: December 30, 2016
    Publication date: October 24, 2019
    Applicant: Xuzhou Heavy Machinery Co., Ltd.
    Inventors: Zenghai Shan, Shouwei Wang, Yinmei Ren, Dong Wang, Houbao Qi
  • Patent number: 10359063
    Abstract: A method and a system for recovering and utilizing crane operating energy and a crane includes converting by a first hydraulic power means hydraulic energy generated by a hydraulic actuator into mechanical energy of a transmission shaft; driving, by the transmission shaft, a second hydraulic power means to rotate so as to convert the mechanical energy of the transmission shaft into mechanical energy of the second hydraulic power means; filling, by the second hydraulic power means, pressurized oil into an accumulator so as to convert the mechanical energy of the second hydraulic power means into hydraulic energy for storage.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: July 23, 2019
    Assignee: Xuzhou Heavy Machinery Co.., Ltd.
    Inventors: Zenghai Shan, Zhengde Zhang, Xiaodong Hu, Haiyan Zhang, Conglin Yuan
  • Patent number: 10233060
    Abstract: The present application relates to a switching valve, a switching hydraulic system, and a crane, in which the switching valve having an oil inlet and an oil outlet comprises at least two pairs of valve oil ports, a pair of cartridge valves provided between each pair of valve oil ports, and the oil inlet and the oil outlet are controlled such that the oil inlet and the oil outlet are capable of shifting between communications with the at least two pairs of valve oil ports. The switching valve switches on and off communication between the oil inlet and the oil outlet and the at least two pairs of valve oil ports by controlling opening or closing of the cartridge valves.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: March 19, 2019
    Assignee: XUZHOU Heavy Machinery Co., LTD.
    Inventors: Zenghai Shan, Shouwei Wang, Yinmei Ren, Lei Zhao, Houbao Qi, Dong Wang
  • Patent number: 10144620
    Abstract: The present disclosure discloses a method and system for positioning an engineering machinery work object.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: December 4, 2018
    Assignee: XUZHOU HEAVY MACHINERY CO., LTD.
    Inventors: Zenghai Shan, Changjian Zhu, Zhongxiang Zhao, Quan Li, Maofeng Zhu