Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Cnpc Engineering Technology R&d Company Limited

China National Petroleum Corporation

Beijing Kingsoft Cloud Network Technology Co., Ltd.

Beijing Kingsoft Cloud Technology Co., Ltd.

Beijing Jinxun Ruibo Network Technology Co., Ltd.

Railway Engineering Research Institute, China Academy of Railway Sciences Co., Ltd.

China Academy of Railway Sciences Co., Ltd.

Tao Jia

Yanjun Liu

Bangcan Xue

Liguang Deng

Jia Meng

Wenfeng Jin

Dong Zhang

Mingjie Lv

Jian Bai

Zhehua Long

Zhitong Liu

Binggui Xu

Hongwei Yin

Huijuan Guo

Jianli Wang

Yongliang Yu

Chen Wang

Taesung Kang

Meijuan An

Quanli Zhang

Hongqiang Ji

Wanjun Li

Feiwu Yuan

Yingjie Zhu

Gang Wang

Shuo Li

Qiang Li

Jian Li

Bo Liu

Yu Liu

Hao Wu

Xiao Ming Ma

Zheng Zhang

Guodong Zhan

Lei Zhang

Gang Chen

Jun Luo

Ming Zhai

Hui Sun

Jiaqiang Wang

Litao Fan

Site Cai

Xue Wang

Xiaoliang Fu

Gang Ci

Yanping Zhang

Qingqing Ma

Zehua Dong

Shuqian Dou

Jianhua Guo

Zhiqiang Fan

Libao Cui

Yong Yao

Yinan Gao

Yu Cheng

Jian Cui

Yufang Zhang

Tianjiao Wang

Jinmiao Tang

Jiawei Fan

Xuewen Cao

Kun Yuan

Peng Kang

Pan Chen

Junpeng Han

Yin Yuan

Jinge Zhao

Fei Han

Fei He

Fuxiang Hou

Dang Yang

Tao Wei

Gongming Chen

Xiaobing Li

Guojun Liu

Yi Tian

Aiguo Wang

Xuehui Li

Qianli Wu

Zhijian Hu

Chuan Cao

Wenchao Zhang

Lining Du

Shuangquan Lei

Shiwen Huang

Hao Lan

Shengyong Zeng

Fei Xian

Wenxin Tan

Ning Xuan

Depei Shi

Junjie Zeng

Yanbin Liang

Shaohua Zhou

Mingmin He

Provided are a system and a method for impact testing and monitoring of a high-energy flexible net. The system includes a vertical impact testing unit, a slope impact testing unit, an impact simulation unit, and an impact monitoring unit. The vertical impact testing unit includes a vertically positioned gravity wall. The slope impact testing unit includes a wall slope positioned perpendicularly to a second side of the gravity wall. A first side of the gravity wall and a slope surface of the wall slope are securely provided with a flexible net, respectively. The impact simulation unit includes an impact assembly and a lifting assembly. The impact monitoring unit is configured to monitor a deformation result and an internal force change result of the flexible net.

Systems and methods for impact testing and monitoring of high-energy flexible nets

Disclosed are an electronic signboard and a wall hanging device. The electronic signboard includes a display device and a wall hanging device. The display device is provided with a first fitting portion, and the wall hanging device is provided with a second fitting portion detachably connected to the first fitting portion. The wall hanging device is further provided a fixing surface via which the wall hanging device is fixed to a mounting base.

Electronic signboard and wall hanging device

Provided is a display module, including: a shell; a display panel, wherein the display panel is disposed in the shell and is connected to the shell; a first light emitting component, wherein the first light emitting component is connected to the display panel and is configured to emit light of a target wavelength; and a fingerprint recognition sensor, wherein the fingerprint recognition sensor is disposed between the shell and the display panel and is fixedly connected to the shell; an orthographic projection of the fingerprint recognition sensor onto the display panel and an orthographic projection of the first light emitting component onto the display panel do not overlap; and the fingerprint recognition sensor is configured to recognize a fingerprint based on received light of the target wavelength reflected by an obstacle.

Display module and method for manufacturing same, and display device

A training apparatus is disclosed, comprising: a top structure, a bottom structure, and a traction structure disposed between the top structure and the bottom structure, and wherein the traction structure is configured to be retractable along an axial direction of the top or bottom structure to achieve relative movement between the top structure and the bottom structure.

Training apparatus

The present application provides a method, a cluster system, an electronic device for operating a device, and a readable storage medium, involving the technical field of clusters. Sequential data operations on the communication device is implemented through the cooperation between the first cluster and the second cluster. The first nodes in the first cluster compete for the first distributed lock to implement sequential storage of the data operation requests. The second nodes in the second cluster compete for the second distributed lock to obtain the stored data operation requests sequentially, and complete the data operations on the target communication device.

Equipment control method, cluster system , electronic device and readable storage medium

Disclosed are an expansion tool assembly, comprising: an expandable tubular; a guide shoe partially inserted into and connected to the lower end of the expandable tubular; a sealing sleeve arranged in the expandable tubular and connected to the upper end of the guide shoe; an expansion assembly comprising an expansion cone and expansion seat disposed inside the expandable tubular, wherein the lower end of the expansion seat is connected with hooks, which can be rested on the upper end of the sealing sleeve; an upper joint that is connected to the upper end of the expansion seat and can be connected to a drill string. A force transfer path can be established via connection between the expansion seat and sealing sleeve, so that expandable tubular weight is borne on the drill string. Unintentional expansion of the expandable tubular, caused by interaction between expandable tubular and expansion cone, can be avoided.

Expansion tool assembly for expandable tubular

A hand rehabilitation device, a rehabilitation training device, and a method for controlling the same are disclosed, and the hand rehabilitation device includes a hand rehabilitation component including: a glove; a hand pneumatic muscle group including at least one finger pneumatic muscle component, wherein a back of each finger sleeve in the glove is installed with at least one of the at least one finger pneumatic muscle component; and a stopper which is connected with each finger sleeve and a side of each of the at least one finger pneumatic muscle component facing a corresponding finger sleeve.

Hand rehabilitation device, rehabilitation training device and method for controlling the same

A finger exoskeleton robot includes a support plate, at least one finger mechanism, and a temperature control system. Each of the finger mechanisms includes a plurality of finger sleeves and joint drivers. The sleeves of the finger mechanism are sequentially arranged at a distance and configured to be correspondingly worn on a plurality of knuckles of the user's fingers. Every two finger sleeves adjacent to each other of the finger mechanism are connected by one joint driver. The support plate and one of the finger sleeves closest to the support plate are connected by one joint driver. The joint driver is switched between a flat state and a curved state when the temperature of the joint drivers is higher than or lower than a phase change temperature value. A temperature control system is electrically connected to the respective joint drives and respectively controls the temperature of the joint drivers.

Finger exoskeleton robot

The present disclosure provides a flexible suit and a flexible system for rehabilitation training of a human leg. The flexible suit includes a first hip joint motion assembly, a first knee joint motion assembly and a first ankle joint motion assembly, a first end of the first knee joint motion assembly is connected with the first hip joint motion assembly, a second end of the first knee joint motion assembly is connected with the first ankle joint motion assembly, the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly each includes a flexible mechanism, and at least one of a group consisting of the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly is configured to operate under gas drive.

Flexible suit and flexible system for rehabilitation training of human leg

The present invention discloses an expandable liner hanger system comprising a central pipe and an expandable pipe, with an expansion cone provided therebetween the central pipe and expandable pipe in a way that the expansion cone is movable along the central pipe, so that the expandable pipe is expanded; wherein, the expansion cone comprises an expansion cone seat move along the central pipe, and an expansion cone sleeve fitted over the expansion cone seat, the connection between the expansion cone seat and the expansion cone sleeve is configured in a way that the expansion cone sleeve can move upward together with the expansion cone seat along the central pipe so that the expandable pipe is expanded, and the central pipe can drive the expansion cone seat to disengage from the expansion cone sleeve.

Expandable liner hanger

A mechanical and hydraulic dual-effect expansion device for well drilling with expandable tubular technology includes an anchor having a lower end connected to an upper end of an insertion connection tube via a coupling, a hydraulic cylinder assembly comprising a hydraulic cylinder and a piston tube movably disposed within an inner cavity of the hydraulic cylinder, and a variable-diameter expansion cone assembly comprising a sealing cone portion and a variable-diameter expansion cone portion, wherein the sealing cone portion has an upper end connected to a lower end of the piston tube and a lower end connected to an upper end of the variable-diameter expansion cone portion. The mechanical and hydraulic dual-effect expansion device can facilitate completion of construction operations of an expandable tubular in a casing and an openhole system.

Mechanical and hydraulic dual-effect expansion device for well drilling with expandable tubular technology

The present disclosure provides a casing windowing method and tool using coiled tubing; the windowing method comprises the steps of: a) preparing a borehole, including drifting a casing, and scraping an inner wall of the casing; b) hanging a positioning assembly in the casing, including seating the positioning assembly at a wellhead of the borehole, and after the positioning assembly is put down to a predetermined position in the casing, hanging a hanger of the positioning assembly at the inner wall of the casing; c) fixing a whipstock at a down-hole of the borehole, including seating the whipstock at the wellhead, and inserting a guiding assembly of the whipstock into the hanger so that an orientation of a window inclined plane of the guiding assembly meets a requirement of window orientation; and d) windowing the casing, including seating a tapered windowing mill at the wellhead, and after the tapered windowing mill is put down to the window inclined plane of the guiding assembly, starting the tapered windowing mill to perform a window sidetracking of the inner wall of the casing. The casing windowing method and tool using coiled tubing of the present disclosure can accurately adjust the orientation of the inclined plane of the whipstock, and the operation is simpler, safer and more reliable.

Casing windowing method and tool using coiled tubing

Growing community of inventors

Beijing, China

Tao Jia