公开(公告)号：US20160187211A1

公开(公告)日：2016-06-30

申请号：US14909856

申请日：2014-05-29

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Fan JIANG ,  Zhencai ZHU ,  Wei LI ,  Guohua CAO ,  Gongbo ZHOU ,  Yuxing PENG ,  Gang SHEN ,  Hao LU

IPC: G01L3/08

CPC classification number: G01L3/08 ,  G01L3/12

Abstract: A hoist main shaft torque monitoring device based on angle measurement, constituted primarily by a first base, a second base, a light generating unit, a shutter, and a light sensing element; the light source, a first lens, and a first optical aperture arranged in the light generating unit, as well as a second optical aperture, second lens, and light sensing element on the shutter, forming a light source generation, propagation, and reception pathway; when the elevator main shaft is subjected to a certain torque, a corresponding displacement is produced between the first optical aperture and the second optical aperture, thus measuring the change in amount of light ultimately reaching the second optical aperture so as to measure the twist angle of the rotary shaft and finally calculate the magnitude of the shaft torque. Without damaging the original equipment and foundation, the device measures the torque of the shaft at different rotational speeds. The device can measure stationary torque and torque at different rotational speeds of the shaft, without the electromagnetic field interfering with wireless transmission; the device is easy to use, maintenance costs are low, and it is of interest for widespread popularization.

Abstract translation: 一种基于角度测量的起重机主轴转矩监测装置，主要由第一基座，第二基座，发光单元，快门和光感测元件构成; 光源，第一透镜和布置在光产生单元中的第一光学孔，以及快门上的第二光学孔，第二透镜和光感测元件，形成光源产生，传播和接收通道 ; 当电梯主轴受到一定的转矩时，在第一光学孔和第二光学孔之间产生相应的位移，从而测量最终到达第二光学孔的光量的变化，以便测量第 旋转轴，最后计算轴转矩的大小。 在不损坏原始设备和基础的情况下，设备可以以不同的转速测量轴的转矩。 该装置可以在轴的不同转速下测量静止扭矩和扭矩，而不会有电磁场干扰无线传输; 该设备易于使用，维护成本低，广受欢迎。

公开(公告)号：US20210041402A1

公开(公告)日：2021-02-11

申请号：US16760040

申请日：2019-07-11

Applicant: China University of Mining and Technology

Inventor： Hao LU ,  Shuang CAO ,  Zhencai ZHU ,  Yuxing PENG ,  Gongbo ZHOU ,  Guohua CAO ,  Gang SHEN ,  Wei LI ,  Dagang WANG ,  Fan JIANG

IPC: G01N29/22 ,  G01N29/04 ,  B66D1/48 ,  G08C17/02

Abstract: Disclosed are an online monitoring system for a crack on a hoist spindle and an operation method thereof. The system comprises: a rope power part, a crack detection part, a wireless transmission part, and a computer. The rope power part comprises two traction ropes, two guide wheels, two stepper motors, and two stepper motor drivers. The crack detection part comprises a spiral tube guide rail, a sliding body, and an ultrasonic generator. The wireless transmission part comprises three zigbee wireless sensing modules. The zigbee wireless sensing modules receive instructions from the computer and transmit the instructions to the stepper motor drivers to control the motors to rotate. The stepper motors drive the guide wheels to rotate to realize the winding of the ropes, so as to pull the sliding body to slide on the spiral tube guide rail. The ultrasonic generator clamped on the sliding body monitors the rotating spindle along the spiral tube guide rail. The zigbee wireless sensing modules transmit the detected data to the computer in real time. The present invention can effectively monitor a hoist spindle in time before a failure occurs, thereby avoiding safety accidents.

公开(公告)号：US20210002080A1

公开(公告)日：2021-01-07

申请号：US16967735

申请日：2019-09-12

Applicant: China University of Mining and Technology ,  ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY ,  HUAIHAI INSTITUTE OF TECHOLOGY

Inventor： Yu TANG ,  Zhencai ZHU ,  Gang SHEN ,  Yongcun GUO ,  Xiang LI ,  Jinsong CHEN ,  Tongqing LI ,  Dagang WANG ,  Guohua CAO ,  Wei LI ,  Gongbo ZHOU ,  Yuxing PENG ,  Hao LU

IPC: B65G43/00 ,  B65G19/22

Abstract: The present invention discloses an embedded scraper rotation angle detection device for a scraper conveyor and a detection method. The detection device includes two extensible detection devices, two signal detection units and a remote processing unit. The two extensible detection devices and the two signal detection units are disposed at two ends of a scraper respectively. The signal detection units detect movement displacements of the extensible detection devices in real time and send out signals through wireless transmission modules, the wireless transmission modules and a wireless receiving module are used for data transmission, and a signal display processing module is used to calculate a rotation angle value of the scraper in real time, output and display the rotation angle value simultaneously, compare the rotation angle value measured in real time with a set safety threshold, and send out an alarm indication when the rotation angle value exceeds the safety threshold.

公开(公告)号：US20200339388A1

公开(公告)日：2020-10-29

申请号：US16955787

申请日：2019-09-04

Applicant: China University of Mining and Technology ,  XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO., LTD.

Inventor： Yuxing PENG ,  Zhencai ZHU ,  Gongbo ZHOU ,  Changhua HU ,  Qingyong DU ,  Hao LU ,  Guohua CAO ,  Songyong LIU ,  Gang SHEN

IPC: B66B17/08 ,  B66B17/26 ,  B66B17/00 ,  F16F3/02 ,  F16F15/06

Abstract: A large-tonnage coal dropping buffer skip for a mine is disclosed. A loading skip box (14) is installed at the top of a large-tonnage skip (12), a coal dropping buffer device (13) is arranged on the inner sidewall of the large-tonnage skip (12), and the coal dropping buffer device (13) includes: a frame (1) fixedly connected with the inner sidewall of the large-tonnage skip (12); a lining plate guide frame (6) connected with the frame (1) through shock absorbers (2), guide sliding grooves being formed in the lining plate guide frame (6); a lining plate support (4) slidably nested in the guide sliding grooves in the lining plate guide frame (6), hoisting lugs (9) for hoisting being arranged at the top end of the lining plate support (4); and a lining plate (5) detachably connected with the lining plate support (4) through fasteners (7).

公开(公告)号：US20180222719A1

公开(公告)日：2018-08-09

申请号：US15559004

申请日：2015-12-22

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Guohua CAO ,  Lei WEI ,  Zhencai ZHU ,  Weihong PENG ,  Xiaoguang BO ,  Lei WANG ,  Wei LI ,  Gongbo ZHOU

IPC: B66B7/02 ,  B66B9/06 ,  B66B17/12 ,  B66B7/08 ,  B66B7/04

CPC classification number: B66B7/02 ,  B66B5/12 ,  B66B7/04 ,  B66B7/06 ,  B66B7/08 ,  B66B9/06 ,  B66B17/12

Abstract: A traction rope adjustment apparatus includes a traction rope pressing device, and a traction rope pulley apparatus. The traction rope lifting apparatus prevents the traction rope sagging, the traction rope pressing apparatus prevents the traction rope drifting, and the traction rope pulley apparatus enables a car and the counterweight to smoothly pass through the traction rope pressing apparatus, thereby implementing forced guidance of the traction rope and the reliable and smooth running of the car and counterweight. The apparatus can meet the demands of variable gradients and can implement reliable running of an inclined running container in variable gradients, such that the traction rope adapts to the different gradients, solving the challenge of the development of an inclined running container that self-adapts to gradients.

公开(公告)号：US20180186578A1

公开(公告)日：2018-07-05

申请号：US15525284

申请日：2015-12-29

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Wei LI ,  Xing ZHANG ,  Zhencai ZHU ,  Mingquan QIU ,  Yong REN ,  Gongbo ZHOU ,  Yuxing PENG ,  Guohua CAO

IPC: B65G43/06 ,  B65G43/02 ,  B65G43/04 ,  B65G23/44

CPC classification number: B65G43/06 ,  B65G23/44 ,  B65G43/02 ,  B65G43/04 ,  B66B25/006

Abstract: Provided is a breakage detection system and method for a scraper conveyor, wherein a speed measurement device of the detection system and a sprocket assembly of the scraper conveyor are coaxially installed. Encoders are installed on speed measurement gears of the speed measurement device. An output end of the speed measurement device is connected to an input end of a programmable logic controller (PLC). An output end of the PLC is electrically connected to an automatic alarm device and a digital display module. A power supply module is used for supplying power to the whole system.

公开(公告)号：US20170210593A1

公开(公告)日：2017-07-27

申请号：US15116818

申请日：2015-06-17

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Gongbo ZHOU ,  Zhencai ZHU ,  Penghui WANG ,  Peng ZHANG ,  Wei LI ,  Guohua CAO

IPC: B66B1/06 ,  F03D9/11 ,  H02J7/00 ,  B66B15/08 ,  B66B17/04 ,  F03D9/22 ,  F03D15/00

CPC classification number: B66B1/06 ,  B66B15/08 ,  B66B17/04 ,  F03D9/11 ,  F03D9/22 ,  F03D9/32 ,  F03D15/00 ,  F05B2220/60 ,  H02J7/0072 ,  Y02E10/728

Abstract: A cage energy supply system comprises wind power generation devices, a tail rope beam suspension device and a control device that are connected to the bottom of a cage box. The tail rope beam suspension device and the control device are located on the central axis of the bottom of the cage box, and the two sides of the tail rope beam suspension device are each connected to one wind power generation device. By means of the characteristics that the descending speed of the cage is high and the relative wind speed of an auxiliary shaft is high, the two wind power generation devices charge one storage battery at the same time, and the two storage batteries carry out charging and power supply alternately, so that a powered unit of the cage is supported by a stable and reliable power source all the time, the power supply requirement of the cage for the powered unit thereof is met, and meanwhile the power supply requirement for the control device is met. The devices are simple in structure and only need to be overhauled and maintained regularly. The present invention also relates to a control method for the cage energy supply system.

公开(公告)号：US20170015522A1

公开(公告)日：2017-01-19

申请号：US15124266

申请日：2015-06-16

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Zhencai ZHU ,  Xiao CHEN ,  Guohua CAO ,  Hong LAI ,  Wenxiang TENG ,  Gang SHEN ,  Gongbo ZHOU ,  Wei LI

IPC: B66B7/02 ,  B66B1/04

CPC classification number: B66B7/02 ,  B21F9/002 ,  B66B1/04 ,  B66B7/025 ,  E21D7/02

Abstract: A tensioning device and a tensioning method for a steel wire rope of a cage guide of an ultra-deep vertical shaft. The tensioning device comprises an upper rope clamping device, a rope adjustment guide frame, a lower hydraulic rope locking device, and a lower hydraulic rope adjustment device. The upper rope clamping device is provided with a rope clamp and a pressure sensor. The rope adjustment guide frame comprises a steel frame body, double fixed clamp-plates, a balance weight, and a balance weight steel wire rope. Double moving clamp-plates are disposed in a guide groove of the steel frame body. The double moving clamp-plates are provided with a rope clamp and a lower guide pulley. The double fixed clamp-plates are provided with an upper guide pulley. The balance weight is provided with a fastening joint. Each of the upper rope clamping device, the lower hydraulic rope locking device and the lower hydraulic rope adjustment device comprises a wedged iron block and a shim. Each of the lower hydraulic rope locking device and the lower hydraulic rope adjustment device further comprises a lever wedge adjustment mechanism and a wedge adjustment hydraulic cylinder. A wedge adjustment hydraulic pressing rod is connected to the wedged iron block. The bodies of the wedge adjustment hydraulic cylinders are connected to the shims. The tensioning device and the tensioning method can be used for implementing automatic adjustment and control of the tensile force of the steel wire rope of the cage guide of the ultra-deep vertical shaft.

Abstract translation: 用于超深垂直轴的笼导轨的钢丝绳的张紧装置和张紧方法。 张紧装置包括上绳夹紧装置，绳索调节引导框架，下液压绳锁定装置和下液压绳调节装置。 上部绳夹紧装置设有绳夹和压力传感器。 绳索调节引导框架包括钢框架体，双固定夹板，平衡重和平衡重钢丝绳。 双移动夹板设置在钢框架体的引导槽中。 双动夹板设有绳夹和下导轮。 双固定夹板设置有上导向轮。 平衡重配有紧固接头。 上部绳索夹紧装置，下部液压绳索锁定装置和下部液压绳索调节装置中的每一个包括楔形铁块和垫片。 每个下液压绳锁定装置和下液压绳调节装置还包括杠杆楔调节机构和楔调节液压缸。 楔形调节液压杆与楔形铁块连接。 楔形调节液压缸的主体连接到垫片上。 张力装置和张紧方法可用于实现超深垂直轴笼式导轨钢丝绳张力的自动调节和控制。

公开(公告)号：US20250002304A1

公开(公告)日：2025-01-02

申请号：US18270230

申请日：2022-09-19

Applicant: China University of Mining and Technology

Inventor： Zhencai ZHU ,  Yu TANG ,  Gang SHEN ,  Xiang LI ,  Mengmeng GAO ,  Wei WANG ,  Yuxing PENG ,  Gongbo ZHOU ,  Hao LU ,  Qingguo WANG

IPC: B66C15/06 ,  B60T17/22 ,  B61H7/04

Abstract: The disclosure discloses a device for detecting idling time of a brake shoe of a monorail hoist and a detection method thereof. The device includes a contact detection unit, a common end roller unit, an idling time detection unit and detection lines. The contact detection unit installed on a brake of the monorail hoist includes a tube in connection with the brake shoe. The common end roller unit is installed on a frame of the monorail hoist and corresponds to a travelling track. A metal probe corresponding to the travelling track is arranged inside the tube. A limiting bolt corresponding to a raised cylindrical block formed on the metal probe is formed on an inner side wall of the tube. The metal probe is contactable with the travelling track or the limiting bolt when the brake shoe brakes.

公开(公告)号：US20240391509A1

公开(公告)日：2024-11-28

申请号：US18272805

申请日：2022-09-19

Applicant: China University of Mining and Technology

Inventor： Yu TANG ,  Zhencai ZHU ,  Gang SHEN ,  Xiang LI ,  Mengmeng GAO ,  Wei WANG ,  Yuxing PENG ,  Gongbo ZHOU ,  Hao LU ,  Qingguo WANG

IPC: B61H7/12 ,  F16D66/02

Abstract: The disclosure discloses a system for controlling a multi-point synchronous braking of a monorail hoist and a utilization method thereof. The system comprises a contact detection unit, a common end roller unit, a hydraulic unit, a synchronous control unit and connection cables. The contact detection unit is installed on a brake shoe of a monorail hoist. The common end roller unit is installed on a travelling track and connected with a frame of the monorail hoist. The contact detection unit includes a tube in connection with the brake shoe. A metal probe corresponding to the travelling track is arranged inside the tube. A circular boss is formed on the metal probe. A limiting bolt corresponding to the circular boss is formed on an inner side wall of the tube. The metal probe is contactable with the travelling track or the limiting bolt when the brake shoe brakes.