AU2016372743A1

AU2016372743A1 - Multi-rope cooperative control system testbed of ultradeep mine hoist

Info

Publication number: AU2016372743A1
Application number: AU2016372743A
Authority: AU
Inventors: Guohua Cao; Ge Li; Wei Li; Xiang Li; Songyong LIU; Hao LU; Yuxing PENG; Gang Shen; Gongbo Zhou; Zhencai Zhu
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2015-12-15
Filing date: 2016-12-02
Publication date: 2017-11-30
Anticipated expiration: 2036-12-02
Also published as: CN105366455B; AU2016372743B2; CA3008469A1; CN105366455A; CA3008469C; WO2017101688A1

Abstract

A multi-rope cooperative control system testbed for an ultradeep mine hoist, which relate to multi-rope cooperative control system testbeds for hoists. A hydraulic motor (1) is connected to a roller (2) by means of a coupling (14). The roller (2) is provided with to a steel wire rope (3). The steel wire rope (3) is connected to a cage (13). A tension sensor (11) is placed on the steel wire rope (3) to detect tensile force of the steel wire rope and feed back a signal. A servo hydraulic cylinder (6) is fixed on a hinge (9), and the upper end is connected to a head sheave bracket (9). A head sheave (8) is connected to the head sheave bracket (9), and the head sheave bracket (9) is fixed on a linear guide rail (7). The hinge (9) and the linear guide rail (7) are connected to a steel structural bracket (4). The servo hydraulic cylinder (6) drives the head sheave (8) to move up and down by means of the head sheave bracket (9). The tension sensor (11) is placed on the steel wire rope (3) to detect the tensile force of the steel wire rope (3). A pressure sensor (10) is placed on the head sheave bracket (9) to detect a pressure applied to the head sheave (8). A spiral instrument (12) is fixed above the cage (13) to detect whether the cage (13) is horizontal. The cage (13) is located in the steel structural bracket (4). The hydraulic motor (1) is mounted on a motor base (15). In the testbed, the cage is perpendicularly hoisted by using a mode of the drag of the hydraulic motor, thereby making the operations simple, and helping to carry out maintenance.

Description

MULTI-ROPE COOPERATIVE CONTROL SYSTEM TESTBED OF ULTRA-DEEP MINE HOIST

Field of the Invention [0001] The invention relates to a multi-rope cooperative control system testbed of a hoist, more particularly to a multi-rope cooperative control system testbed of an ultra-deep mine hoist.

Background of the Invention [0002] At present, with the exploitation of deep resources in China as an important development strategy, large-scale ultra-deep mine hoisting equipment have become the key equipment to achieve the exploitation of deep resources. However, China's research on the orientation of the ultra-deep mine hoisting equipment is still at the starting stage, which restricts the implementation of its exploitation and utilization strategy of deep resources. Moreover, as the actual operating conditions of the ultra-deep mine are complex and the mining environment is special, it is very difficult for the hoisting equipment to carry out field tests. Therefore, there is an urgent need for an ultra-deep mine hoisting system testbed which can simulate the real conditions, in order to verify the performance of the ultra-deep mine hoisting equipment and to achieve the testing level of the ultra-deep mine hoisting system. The testbed needs to simulate the operating conditions in the ultra-deep mine operating environment, in order to effectively detect the performance of the hoisting equipment, thereby ensuring that the hoisting system can operate safely and reliably in complex operating conditions.

Summary of the Invention [0003] An objective of the invention is to provide a multi-rope cooperative control system testbed of an ultra-deep mine hoist, which realizes movement simulation of an ultra-deep mine hoist in the actual operating conditions to monitor the tension on wire ropes, the pressure on head sheaves and the horizontality of a hoisting container, thereby ensuring that the hoisting system can operate safely and reliably in complex operating conditions.

[0004] This objective of the invention is achieved in that a control system testbed comprises: four hydraulic motors and corresponding four rollers and four wire ropes, a set of steel structure brackets, four hinges, four servo hydraulic cylinders, four linear guide rails, four head sheaves, four head sheave brackets, four pressure sensors, four tension sensors, a gyroscope, a cage, four couplings, a motor base and an oil pump; [0005] the hydraulic motors are connected to the rollers by the couplings, and the wire ropes connected to the cage are provided on the rollers; the tension sensors are placed on the wire ropes for detecting the tension on the wire ropes and feeding signals back; the servo hydraulic cylinders of which upper ends are connected to the head sheave brackets are fixed on the hinges, and the head sheave brackets are connected to the head sheaves and fixed on the linear guide rails; the hinges and the linear guide rails are connected to the steel structure brackets, and the servo hydraulic cylinders drive the head sheaves to move up and down through the head sheave brackets; the tension sensors are placed on the wire ropes for detecting the tension on the wire ropes, and the pressure sensors are placed on the head sheave brackets for detecting pressure on the head sheaves and feeding the signals back to a lower computer; the gyroscope is fixed above the cage for detecting whether the cage is horizontal and feeding the signals back to the lower computer, and the cage is located in the steel structural brackets; and the hydraulic motors are mounted on the motor base.

[0006] The cage is towed by the four ropes for hoisting heavy goods and arranged according to the actual operating conditions.

[0007] The controller comprises a control cabinet, the lower computer, a conditioning box and a mobile power module; the lower computer, the conditioning box and the mobile power module are all mounted in the control cabinet, and the oil pump is located on one side of the control cabinet; an upper computer and the lower computer transmit data through Ethernet, and control signals and feedback signals are transmitted to the lower computer or an actuator through the conditioning box.

[0008] The beneficial effects are as follows: The testbed according to the invention is towed by the easy-controlled hydraulic motors for hoisting the cage vertically and is simple in operation and convenient for maintenance. The testbed can achieve multiple functions, measure the tension for hoisting the wire ropes by the tension sensors and the pressure on the head sheaves by the pressure sensors, and monitor the horizontality of the cage by the gyroscope. It can adjust up-and-down movement of the cage by controlling the hydraulic motors to rotate positively and reversely, adjust the horizontality of the cage by controlling the servo hydraulic cy linders and keep the wire ropes under the same tension.

Brief Description of the Drawings [0009] FIG. 1 is a left structural view of the invention.

[0010] FIG. 2 is a front structural view of the invention.

[0011] FIG. 3 is a top structural view of the invention.

[0012] In figures: 1 - hydraulic motor, 2 - roller, 3 - wire rope, 4 - steel structure bracket, 5 - hinge, 6 -servo hydraulic cylinder, 7 - linear guide rail. 8 - head sheave, 9 - head sheave bracket, 10 - pressure sensor, 11 - tension sensor, 12 - gyroscope, 13 - cage, 14 - coupling, 15 - motor base, 16 - oil pump, 17 - control cabinet, 18 - lower computer, 19 - conditioning box, 20 - mobile power module.

Detailed Description of Some Embodiments [0013] The invention will be described in detail as follows with reference to specific embodiments.

[0014] Embodiment 1: In Fig. 1 and Fig. 2, a control system testbed comprises: four hydraulic motors 1 and corresponding four rollers 2 and four wire ropes 3, a set of steel structure brackets 4, four hinges 5, four servo hydraulic cylinders 6, four linear guide rails 7, four head sheaves 8, four head sheave brackets 9, four pressure sensors 10, four tension sensors 11, a gyroscope 12, a cage 13, four couplings 14, a motor base 15 and an oil pump 16; [0015] the hydraulic motors 1 are connected to the rollers 2 by the couplings, and the wire ropes 3 connected to the cage 13 are provided on the rollers 2; the tension sensors 11 are placed on the wire ropes 3 for detecting the tension on the wire ropes 3 and feeding signals back; the servo hydraulic cylinders 6 of which upper ends are connected to the head sheave brackets 9 are fixed on the hinges 5, and the head sheave brackets 9 are connected to the head sheaves 8 and fixed on the linear guide rails 7; the hinges 5 and the linear guide rails 7 are connected to the steel structure brackets 4, and the servo hydraulic cylinders 6 drive the head sheaves 8 to move up and down through the head sheave brackets 9; the tension sensors 11 are placed on the ware ropes 3 for detecting the tension on the ware ropes 3, and the pressure sensors 10 are placed on the head sheave brackets 9 for detecting pressure on the head sheaves 8 and feeding the signals back to a low'er computer 18: the gyroscope 12 is fixed above the cage 3 for detecting whether the cage 3 is horizontal and feeding the signals back to the lower computer 18, and the cage 3 is located in the steel structural brackets 4; and the hydraulic motors 1 are mounted on the motor base 15.

[0016] The cage 13 is towed by the four ropes for hoisting heavy goods and arranged according to the actual operating conditions.

[0017] The controller comprises a control cabinet 17, the lower computer 18, a conditioning box 9 and a mobile pow'er module 20; the lower computer 18, the conditioning box 9 and the mobile power module 20 are all mounted in the control cabinet 17, and the oil pump 16 is located on one side of the control cabinet 17; an upper computer and the lower computer 18 transmit data through Ethernet, and control signals and feedback signals are transmitted to the lower computer or an actuator through the conditioning box 19.

[0018] The tension sensors 11 are placed on the wire ropes 3 for detecting the tension on the wire ropes 3 and generating tension signals; the pressure sensors 10 are placed on the head sheave brackets 9 for detecting the pressure on the head sheaves 8 and generating pressure signals; and the gyroscope 12 is fixed above the cage 3 for detecting whether the cage 3 is horizontal and generating horizontal signals. Three groups of signal data such as the tension signals, the pressure signals and the horizontal signals are transmitted to a control board and processed by closed-loop data.

[0019] The up-and-down movement of the cage 13 can be achieved by controlling the four hydraulic motors 1 to rotate positively and reversely, the up-and-down movement path thereof can be controlled by the guide rails, and the hoisting height of the cage 13 can be adjusted through fine turning of the servo hydraulic cylinders.

[0020] The multi-rope cooperative control system testbed of the ultra-deep mine hoist can keep the cage horizontal and the four wire ropes 3 under the same tension through fine turning of the four servo hydraulic cylinders 6 below the head sheaves.

[0021] According to the multi-rope cooperative control system testbed of the ultra-deep mine hoist, the conditioning box 19, the actuator and the pressure sensors 10, the tension sensors 11 and the gyroscope 12 are all powered by the mobile power module 20.

[0022] The specific operating process of the multi-rope cooperative control system testbed of the ultra-deep mine hoist is as follows: At the beginning of the test, the upper computer and the lower computer 18 exchange data via Ethernet, and then the rotation speed of the hydraulic motors 1 is adjusted by the conditioning box 19 to control the rollers 2 of the hoist to rotate so as to drive the wire ropes 3 to move, thus controlling the cage 13 to move up and down; the pressure sensors 10, the tension sensors 11 and the gyroscope 12 feed the data back to the lower computer 18 through the conditioning box 19, and after data exchange, the conditioning box controls the expansion of the servo hydraulic cylinders 6 to form a closed-loop control.

Claims

Claims

1. A multi-rope cooperative control system testbed of an ultra-deep mine hoist, wherein the control system testbed comprises four hydraulic motors (1) and corresponding four rollers (2) and four wire ropes (3), a set of steel structure brackets (4), four hinges (5), four servo hydraulic cylinders (6), four linear guide rails (7), four head sheaves (8), four head sheave brackets (9), four pressure sensors (10), four tension sensors (11), a gyroscope (12), a cage (13), four couplings (14), a motor base (15) and an oil pump (16); the hydraulic motors (1) are connected to the rollers (2) by the couplings(14), and the wire ropes (3) connected to the cage (13) are provided on the rollers (2); the tension sensors (11) are placed on the wire ropes (3) for detecting the tension on the wire ropes (3) and feeding signals back; the servo hydraulic cylinders (6) of which upper ends are connected to the head sheave brackets (9) are fixed on the hinges (5), and the head sheave brackets (9) are connected to the head sheaves (8) and fixed on the linear guide rails (7); the hinges (5) and the linear guide rails (7) are connected to the steel structure brackets (4), and the servo hydraulic cylinders (6) drive the head sheaves (8) to move up and down through the head sheave brackets (9); the tension sensors (11) are placed on the wire ropes (3) for detecting the tension on the wire ropes (3), and the pressure sensors (10) are placed on the head sheave brackets (9) for detecting pressure on the head sheaves (8) and feeding the signals back to a lower computer (18); the gyroscope (12) is fixed above the cage (3) for detecting whether the cage (3) is horizontal and feeding the signals back to the lower computer (18), and the cage (3) is located in the steel structural brackets (4).
2. The multi-rope cooperative control system testbed of ultra-deep mine hoist according to claim 1, wherein the cage (3) is towed by the four ropes for hoisting heavy goods and arranged according to the actual operating conditions.
3. The multi-rope cooperative control system testbed of ultra-deep mine hoist according to claim 1, wherein the controller comprises a control cabinet (17), the lower computer (18), a conditioning box (9) and a mobile power module (20); the lower computer (18), the conditioning box (9) and the mobile power module (20) are all mounted in the control cabinet (17), and the oil pump (16) is located on one side of the control cabinet (17); an upper computer and the lower computer (18) transmit data through Ethernet, and control signals and feedback signals are transmitted to the lower computer or an actuator through the conditioning box (19).