China University of Mining and Technology

Dongnan Elevator Co, Ltd

Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.

Dongnan Elavator Co. Ltd.

Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd

Guoan Chen

Zhencai Zhu

Guohua Cao

Gongbo Zhou

Wei Li

Jiancong Qin

Hongqiao Kang

Renyuan Wu

Yuxing Peng

Yiping Ma

Jianrong Yang

Changhua Hu

Qingyong Du

Weihong Peng

Chongqiu Wang

Yilei Li

Hao Lu

Songyong Liu

Zhi Liu

Zhiyuan Shi

Yongguang Cao

Junhui Wu

Ronghua Wu

Xingguo Shao

Ling Yue

Miao Wang

Junliang Liu

Zhentao Mi

The present invention discloses a self-detection device for a liner plate of a hoisting container and a detection method. The device mainly includes: a frame, a baffle-type hoist conveyor, a horizontal conveyor, a loading hopper assembly, an unloading hopper assembly, a liner plate assembly, and a hoisting container system. The loading hopper assembly is fixedly mounted to an upper right end of the frame, the unloading hopper assembly is fixedly mounted to a lower left end of the frame, the hoisting container system is arranged on an upper left portion of the frame and above the unloading hopper assembly, and the liner plate assembly is provided inside the hoisting container system. A feed port of the baffle-type hoist conveyor is connected to an unloading port of the unloading hopper, and a discharge port thereof is joined to a loading port of a loading hopper; and a feed port of the horizontal conveyor is connected to an unloading port of the loading hopper, and a discharge port thereof is arranged at a feed port on an upper end of the hoisting container system. The self-detection liner plate can simulate an impact, friction, and wear behavior on a liner plate of a hoisting container in an actual loading process; and can measure in real time an impact force and friction force bored by the liner plate when a material falls down to impact on the liner plate. In addition, the self-detection liner plate enables continuous loading of materials.

Self-detection device for liner plate of hoisting container and detection method

A device for monitoring tension equalization and displacement adjustment states of steel wire ropes of a multi-rope hoister includes a displacement sensor mounted on a steel wire rope tension equalization device, a signal acquisition transmitter designed to store and transmit signals of the displacement sensor, a barometric altimeter designed to detect the depth of a mine shaft where a hoisting container is located, and a wireless receiving and processing system arranged at the well mouth of the mine shaft. A method for use includes collecting the displacement adjustment amounts of the tension equalization devices connected with all the hoisting ropes of the hoisting container and the corresponding depth position of the hoisting container during the up-down running process of the hoisting container by means of the signal acquisition transmitter; judging the maximum displacement adjustment amount measured in the entire hoisting process and the corresponding tension adjustment device and corresponding depth, by receiving and processing data via the wireless receiving and processing system; and, giving an alarm when the maximum adjusted displacement is greater than a preset adjustment threshold.

Method and device for monitoring tension equalization and displacement adjustment states of steel wire ropes of multi-rope hoister

The present invention provides a large-tonnage slender externally powered rail-mounted unloading skip, comprising an upper bin body and a lower bin body that are respectively formed by an inner lining plate and an outer plate fixed together via a number of pin shafts, a self-locking gate, and a gate opening device. A loading opening and a coal baffle plate that is used to block coal when the coal is loaded are arranged on the upper part of the upper bin body, a self-locking gate composed of a sector gate plate and unloading rollers is arranged on the lower bin body, a coal chute is arranged on the lower part of the self-locking gate, the upper bin body and the lower bin body are connected together through flanged connection, and channel irons are welded around the walls of the upper bin body and lower bin body respectively; when the skip is at an unloading position, externally powered telescopic push rods push the unloading rollers to move in an unloading rail of the slide block, so that the self-locking gate is opened, and the coal is unloaded along a coal chute. With the reliable connection between the upper bin body and the lower bin body, effective and convenient fixing of the lining plate, and reliable opening of the gate, the skip can meet the production requirements of 10-million tonnage large-size shafts.

Large-tonnage slender externally powered curve rail-mounted unloading skip

Disclosed is a fall prevention brake buffering system for high-speed mine lift, including brake ropes () fixed on two sides of a car (). One end of the brake rope () is fixed on the top part of a vertical well (), and the other end is fixed on the bottom part of the vertical well (). A linkage mechanism () is arranged at the bottom of the car (). A buffer () is arranged at the top of the brake rope (), and a tension connector () is arranged at the bottom of the brake rope (). A brake rope safety tong () fixed on the brake rope () and connected with the linkage mechanism () is arranged at the bottom of the car (). The buffer () includes an inverted brake rope gradual safety tong () with a buffering rope () provided therein and connected with the brake rope (). A buffering rope clip () is arranged on the buffering rope (). The system is convenient to install, and the buffering force of the brake rope is constant and adjustable. The system realizes reliable fall prevention brake function, greatly improves safety performance during high-speed operation of a lift with non-rigid rails, and increases safety performance during high-speed operation of a mine lift.

Fall prevention brake buffering system for high-speed mine lift

A mining elevator carrying platform and carrying method, the platform comprises a power system () and a four-rod carrying device (), a rotating rod () connected with the power system () is set on the carrying device (); the power system () comprises a flameproof motor (-), a upper-limited switch (-), a down-limited switch (-) and a main pulley (-), the flameproof motor (-) is connected with the main pulley (-) through a main steel cable (-), a baffle (-) is set on the main steel cable (-), a double cable channel is set on the main pulley (-), and the main pulley (-) is connected with a sub-pulley (-) by a sub-steel cable (-), a sliding plate (-) is set on the sub-steel cable (-), and a sliding rod (-) is set on the sliding plate (-). The main pulley (-) is driven to rotate by the flameproof motor (-) through the main steel cable (-), thus the sub-pulley (-) is driven to rotate. The sliding rod (-) moves in a strip-opening sliding slot in the rotating rod () by the sliding plate (-) moving up and down, then the rotating rod () and a carrying plate (-) are driven to move circumferentially. A rocker (-) is rotated around a supporting bracket (-) driven by a connecting rod (-), thus a credible carrying platform in multi-plane is realized. The platform is simple in structure, controlled accurately, convenient to be fixed and maintained, operated stably and reliably, and has the self-locking function.

Mining elevator carrying platform and carrying method

An adjustable intermediate disk body of large double-layer cage comprises cage columns, a main intermediate disk body, and a chain block and a connecting piece. An intermediate disk guide rail beam is arranged on the inner side of the cage columns, wedge bases are symmetrically arranged on the two sides of the lower part of the intermediate disk guide rail beam, a limited block with a bolt hole is arranged on the upper part of the intermediate disk guide rail beam, and an anti-disengaging plate is arranged on the intermediate disk guide rail beam. Intermediate disk wedge bodies, which match the wedge faces of the wedge bases and can only move vertically along the intermediate disk guide rail beams, are arranged on the two side faces of the main intermediate disk body, at positions corresponding to the intermediate disk guide rail beams; an intermediate disk guide wheel that is fitted with the intermediate disk guide rail beam and an intermediate disk guide wheel seat with a bolt hole are arranged on the upper part of the intermediate disk wedge body.

Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereof

A mining elevator lapping platform suitable for a flexible guide rail and a mining elevator lapping method. The lapping platform mainly comprises a support claw package () and a power package (), wherein the support claw package () comprises a mounting plate (-), a screw rod bearing base (-), a screw rod (-), a screw nut (-), a support rod (-), a pushing rod (-), a support claw (-). a footboard (-), a guide rail (-) and a guide rail frame (-); the power package () comprises an explosion-proof motor (-) and a bevel gear; and the support claw package () and the power package () are both installed on a cross beam () below an elevator car. The lapping method is as follows: the sharing between a lapping platform and a plurality of horizontal planes is realized, the self-locking function is achieved, the reliable connection of the lapping platform in the plurality of horizontal planes is met, the reliable lapping between the elevator car and a hoistway layer door is realized, and the mining elevator lapping platform plays a role in safety protection, and convenience of getting in and out of the elevator for cargos and people.

Mining elevator lapping platform suitable for flexible guide rail and mining elevator lapping method

A mine elevator is provided having an anti-explosion traction system, an anti-explosion lift car protection system, a flexible guide rail guiding system, a compound lift car, and a counterweight system. The anti-explosion traction system comprises a traction rope tension regulating device, an anti-explosion traction machine, and an anti-explosion control cabinet. The anti-explosion lift car protection system comprises a rope holder, a speed limiter, two hydraulic buffers, a safety clamp, a brake rope, and a brake rope tension buffer device. The flexible guide rail guiding system comprises a steel wire rope guide rail, a guide rail tension device connected to the steel wire rope guide rail and fixed to the an upper platform, a guide rail connection device connected to the steel wire rope guide rail and fixed to a lower platform, and a flexible guide rail guide sleeve fixed to the compound lift car and the counterweight system.

Mining elevator

Disclosed are an apparatus and a method of automatically adjusting a tension of a steel rope that comprises a guide system along which a mining elevator car moves vertically. The apparatus and the method allow the flexible guide rail to be structurally simple, convenient to process, reliable in performance, and easy to install and to maintain. The apparatus and the method allow restriction of vertical orientation and horizontal deflection, and are capable of real-time detection and automatic adjustment of the tension in the flexible guide rail of the elevator.

Apparatus and method for automatically adjusting the tension of a flexible guide rail

A mining elevator traction cable connecting apparatus and a measuring method therefor, for use in a mining elevator serving a deep-mine. The apparatus includes an industrial personal computer (IPC), a signal collector connected to the IPC, multiple symmetrically arranged cable rings for use in connecting to one end of a traction cable, and a traction cable tension adjusting apparatus connected to the multiple of cable rings. Arranged within the traction cable tension adjusting apparatus are a plurality of hydraulic cylinders, and a plurality of draw wire displacement sensors for use in monitoring the relative displacement between each hydraulic cylinder plunger and a corresponding hydraulic cylinder body. The draw wire displacement sensors and an oil pressure sensor connected to a hydraulic pipeline are connected to the IPC via the signal collector, forming a traction cable tension and degree of adjustment measuring system.

Mining elevator traction cable connecting apparatus and measuring method therefor

Growing community of inventors

Xuzhou, China

Guoan Chen