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1. 发明申请

US20210070586A1 HOISTING CONTAINER POSE CONTROL METHOD OF DOUBLE-ROPE WINDING TYPE ULTRA-DEEP VERTICAL SHAFT HOISTING SYSTEM 有权
公开(公告)号：US20210070586A1
公开(公告)日：2021-03-11
申请号：US16772162
申请日：2019-09-12
申请人： China University of Mining and Technology
发明人： Gang SHEN , Zhencai ZHU , Xiang LI , Yu TANG , Guohua CAO , Gongbo ZHOU , Songyong LIU , Yuxing PENG , Hao LU
IPC分类号： B66B1/28 , B66B19/00 , F15B15/00 , G06F30/23 , G05B13/04
摘要： The present invention discloses a hoisting container pose control method of a double-rope winding type ultra-deep vertical shaft hoisting system. The method comprises the following steps of step 1, building a mathematical model of a double-rope winding type ultra-deep vertical shaft hoisting subsystem; step 2, building a position closed-loop mathematical model of an electrohydraulic servo subsystem; step 3, outputting a flatness characteristics of a nonlinear system; step 4, designing a pose leveling flatness controller of a double-rope winding type ultra-deep vertical shaft hoisting subsystem; and step 5, designing a position closed-loop flatness controller of the electrohydraulic servo subsystem. The present invention has the advantages that a system state variable derivation process is omitted, so that a design process of the controllers is greatly simplified. The response time of the controllers can be shortened, and a hoisting container can fast reach a leveling state. In an application process of the system, sensor measurement noise and system non-modeling characteristics can be amplified through state variable derivation, so that tracking errors can be reduced through design of the flatness controller. A control process is more precise, and good control performance is ensured.

2. 发明申请

US20190362041A1 RELIABILITY ROBUST DESIGN METHOD FOR MULTIPLE FAILURE MODES OF ULTRA-D EEP WELL HOISTING CONTAINER 审中-公开
公开(公告)号：US20190362041A1
公开(公告)日：2019-11-28
申请号：US16333218
申请日：2017-12-07
申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY
发明人： Hao LU , Zhencai ZHU , Gongbo ZHOU , Yuxing PENG , Guohua CAO , Wei LI , Gang SHEN , Dagang WANG , Fan JIANG
IPC分类号： G06F17/50 , E21F13/00
摘要： A reliability robust design method for multiple failure modes of an ultra-deep well hoisting container, including: defining randomness of a structural parameter, a material property, and a dynamic load of a hoisting container, and solving a random response of a structural failure for a random parameter using a design of experiment method; establishing reliability performance functions of each failure modes in accordance with failure criterion of the hoisting container; establishing a joint probability model of correlated failures using a copula theory in consideration of probability correlation between the failure modes; establishing, a system reliability model with failure correlation of the hoister container; establishing a sensitivity model concerning each random parameter for system reliability of the hoisting container; and establishing, in conjunction with an optimization design model, a reliability robust optimization design model for the hoisting container using a joint failure probability and parameter sensitivity as constraints.

3. 发明申请

US20160187211A1 HOIST MAIN SHAFT TORQUE MONITORING DEVICE BASED ON ANGLE MEASUREMENT 有权
标题翻译：基于角度测量的主轴主轴扭矩监测装置
公开(公告)号：US20160187211A1
公开(公告)日：2016-06-30
申请号：US14909856
申请日：2014-05-29
申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY
发明人： Fan JIANG , Zhencai ZHU , Wei LI , Guohua CAO , Gongbo ZHOU , Yuxing PENG , Gang SHEN , Hao LU
IPC分类号： G01L3/08
CPC分类号： G01L3/08 , G01L3/12
摘要： 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.
摘要翻译：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。

4. 发明申请

US20230118041A1 SYSTEM FOR MONITORING SCARPER CHAIN BASED ON MEASUREMENT ON TRANSMITTANCE OF TORSION SPRING AND METHOD THEREOF 有权
公开(公告)号：US20230118041A1
公开(公告)日：2023-04-20
申请号：US17802188
申请日：2021-06-15
申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY
发明人： Hao LU , Hui JIANG , Zhencai ZHU , Guohua CAO , Yuxing PENG , Gongbo ZHOU , Gang SHEN , Fan JIANG , Yu TANG , Xiang LI , Wei WANG
IPC分类号： B65G43/06 , B65G19/20
摘要： The present disclosure provides a system for monitoring a scraper chain based on a measurement on transmittance of a torsion spring and a method thereof. The system includes a sprocket-wheel torsion detection device, a fixing device, a wireless receiver, an A/D converter and an industrial computer. In the method, the relative torsion of the two sprocket wheels is converted into the density change of the torsion spring, the light transmission area is converted into the current value by the laser sensing panel, a varying range of the torsion spring is calculated by the industrial computer through the preset threshold and its own program to monitor the operating conditions of the chain. The method has a novel concept, a stable and reliable system, and a high promotion value.

5. 发明申请

US20210316946A1 DYNAMIC RELIABILITY EVALUATION METHOD FOR COUPLING FAULTS OF MIDDLE TROUGH OF SCRAPER CONVEYOR 有权
公开(公告)号：US20210316946A1
公开(公告)日：2021-10-14
申请号：US17042952
申请日：2019-07-26
申请人： China University of Mining and Technology
发明人： Hao LU , Zhencai ZHU , Fan JIANG , Wei LI , Yuxing PENG , Gongbo ZHOU , Gang SHEN , Dagang WANG , Yu TANG , Xiang LI
IPC分类号： B65G43/02 , G06F17/17 , G06F17/18
摘要： The present invention discloses a dynamic reliability evaluation method for coupling faults of a middle trough of a scraper conveyor. Approximation precision of a moment-based saddlepoint approximation method and a function attribute of dynamic t-copula are fully utilized, and the dynamic reliability evaluation method for the coupling faults of the middle trough of the scraper conveyor is provided, so that dynamic correlation between failure modes of the middle trough of the scraper conveyor under a small sample condition is more accurately described, and accuracy of dynamic reliability evaluation of the coupling faults of the middle trough of the scraper conveyor is improved.

6. 发明申请

US20220063927A1 DRIVE SYSTEM OF SCRAPER CONVEYOR AND CONTROL METHOD 有权
公开(公告)号：US20220063927A1
公开(公告)日：2022-03-03
申请号：US17266628
申请日：2020-04-10
申请人： China University of Mining and Technology , JIANGSU TIANMING MACHINERY GROUP CO., LTD.
发明人： Gang SHEN , Zhencai ZHU , Kaiyu DAI , Yu TANG , Xiang LI , Yuxing PENG , Hao LU , Guohua CAO , Gongbo ZHOU , Wei LI , Fan JIANG
IPC分类号： B65G43/10 , B65G19/18 , B65G23/44 , B65G23/26 , B65G23/22 , F15B13/044 , F15B1/04
摘要： The present invention discloses a drive system of a scraper conveyor and a control method. The drive system includes a nose sprocket, a tail sprocket, a nose sprocket drive mechanism, and a tail sprocket drive mechanism, where the nose sprocket drive mechanism is a hydraulic motor I, and the tail sprocket drive mechanism is a hydraulic motor II; and a hydraulic system that drives the hydraulic motor I and a hydraulic system that drives the hydraulic motor II include same hydraulic elements, and both include a three-position four-way solenoid directional valve, a two-position two-way solenoid directional valve, a two-position three-way solenoid directional valve, an accumulator, and an oil supplement valve group. The present invention is applicable to rapid starting and stopping of the scraper conveyor in a heavy load status while adjusting chain tension in real time, thereby resolving a power imbalance problem in a dual-drive system, and has a simple structure and a long service life.

7. 发明申请

US20210053805A1 TENSION BALANCE SYSTEM AND METHOD FOR STEEL WIRE ROPES ON FRICTION HOISTING DRIVING END OF ULTRA-DEEP WELL 有权
公开(公告)号：US20210053805A1
公开(公告)日：2021-02-25
申请号：US17044841
申请日：2019-09-12
申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY
发明人： Zhencai ZHEN , Guohua CAO , Gongbo ZHOU , Yu TANG , Fan JIANG , Yuxing PENG , Gang SHEN , Hao LU
IPC分类号： B66D1/52 , E21B19/00
摘要： A tension balance system for steel wire ropes on a friction hoisting driving end of an ultra-deep well includes a friction wheel, left and right guiding wheels, left and right steel wire ropes, left and right adjustment wheels, left and right rewinding wheels, left and right adjustment oil cylinders, a hydraulic pipeline, a pump station, a pipeline switch group, left and right hoisting containers, balance ropes, and reels. The friction wheel is disposed in the middle, the left and right adjustment wheels and the left and right rewinding wheels are circularly distributed around the friction wheel, the left and right guiding wheels, the left and right adjustment wheels, and left and right rewinding wheels are all symmetrically disposed on two sides of the friction wheel; both a quantity of left steel wire ropes and a quantity of right steel wire ropes are even numbers more than 2.

8. 发明申请

US20180229941A1 CHAIN FAULT DIAGNOSIS SYSTEM AND METHOD FOR SCRAPER CONVEYOR 审中-公开
公开(公告)号：US20180229941A1
公开(公告)日：2018-08-16
申请号：US15571045
申请日：2016-12-07
申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY
发明人： Fan JIANG , Zhencai ZHU , Wei LI , Sunyang WU , Gongbo ZHOU , Guohua CAO , Yuxing PENG , Hao LU , Chunli HUA
IPC分类号： B65G43/06 , G01L1/22 , B65G19/22
CPC分类号： B65G43/06 , B65G19/08 , B65G19/22 , G01L1/2218 , G01L1/2281
摘要： A chain fault diagnosis system and a chain fault diagnosis method for a scraper conveyor are provided. The diagnosis system includes a strain rosette attached on a top end surface of each sprocket tooth of the scraper conveyor. The strain rosette is connected to a signal gathering unit fixed on a scraper conveyor roller through a shielded conductor, the signal gathering unit sends a gathered signal to a wireless receiving device by means of wireless transmission, and the wireless receiving device transmits the gathered signal obtained thereby to an industrial control computer through a USB interface. The diagnosis method includes the following three steps: chain dislocation/skip fault judgment, chain breakage fault judgment and chain seizure fault judgment. A comprehensive monitoring of the chain state of the scraper conveyor is performed by measuring strain magnitudes in different directions of the sprocket tooth in real-time, transmitting the gathered signal to the industrial control computer via a wireless transmission method and dynamically diagnosing the faults of seizure, dislocation, skip and breakage of the scraper conveyor chain based on the obtained strain data.

9. 发明申请

US20210041402A1 ONLINE MONITORING SYSTEM FOR CRACK ON HOIST SPINDLE AND OPERATION METHOD THEREOF 有权
公开(公告)号：US20210041402A1
公开(公告)日：2021-02-11
申请号：US16760040
申请日：2019-07-11
申请人： China University of Mining and Technology
发明人： Hao LU , Shuang CAO , Zhencai ZHU , Yuxing PENG , Gongbo ZHOU , Guohua CAO , Gang SHEN , Wei LI , Dagang WANG , Fan JIANG
IPC分类号： G01N29/22 , G01N29/04 , B66D1/48 , G08C17/02
摘要： 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.

10. 发明申请

US20210002080A1 EMBEDDED SCRAPER ROTATION ANGLE DETECTION DEVICE FOR SCRAPER CONVEYOR AND DETECTION METHOD 有权
公开(公告)号：US20210002080A1
公开(公告)日：2021-01-07
申请号：US16967735
申请日：2019-09-12
申请人： China University of Mining and Technology , ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY , HUAIHAI INSTITUTE OF TECHOLOGY
发明人： 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分类号： B65G43/00 , B65G19/22
摘要： 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.

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