CN201686364U

CN201686364U - Magnetic clutch device of mine rope guide safety catcher

Info

Publication number: CN201686364U
Application number: CN2010201954809U
Authority: CN
Inventors: 朱华增; 周飞; 许明英; 王慧; 康丽莹; 耿彦波; 李冰; 冯家鹏; 曹俊琴; 孙静波; 周荣刚
Original assignee: 周荣刚; 周飞; 朱华增
Priority date: 2010-05-19
Filing date: 2010-05-19
Publication date: 2010-12-29
Anticipated expiration: 2020-05-19

Abstract

A magnetic clutch device of a mine rope guide safety catcher is characterized by comprising a magnetic portion and a measurement and control system. The magnetic portion consists of a permanent magnetic cover, a permanent magnet, a direct-current transmission motor and a coupler, the measurement and control system consists of a numerical control box, a direct-current variable speed motor, a speed sensor, a position sensor and a positioning sensor, and the numerical control box consists of a power supply, a programmable controller, a rely and a data radio. The magnetic clutch device of a mine rope guide safety catcher can avoid accidents of cage crashing normally and can always prevent accidents of cage crashing when a winch is out of control and a cage is in over speed running, is simple in structure and fast in action, can realize instantaneous brake when the cage is in over-speed running, and then can recover to the original state automatically so as to continue to be operated after finishing handling of accidents.

Description

Mine rope jar falling protector magnetic energy arrangement of clutch

Affiliated technical field:

The utility model relates to the safety of coal mines device, especially a kind of mine rope jar falling protector magnetic energy arrangement of clutch.

Background technology

Mine hoist equipment is the important step of Coal Production, in case during hoist ropes break generation accident of cage crashing, perhaps during winch band rope out of control accident of cage crashing, not only pit gear can suffer serious breaking-up, but also can cause personnel's injures and deaths." the single-rope hoisting cage of lifting personnel or lifting personnel and material must install the failure-free falling protector to regulation in " safety regulations in coal mine " the 349th.Existing parachute gear is to continue to use former Soviet Union's technology; be that two dead mans on the falling protector are hinged with torque arm; torque arm and upright pull bar articulated structure; when taking place that winch is out of control is being with hoisting cable to slip jar accident; tension spring is open configuration all the time; tension spring hauls dead man; the catching device sliding wedge can not be wedged in the catching device; catching device can not clamp brake wire, can not play a protective role, and has only when at hoist ropes break generation accident of cage crashing; main tie could break away from the pulling force control of hoisting cable; could glide from fixed cross beam, tension spring hauls dead man, and it is up to stir the catching device sliding wedge; in the catching device sliding wedge wedging catching device; clamp brake wire, cage just stops gliding, and just can play a protective role.At present, band rope accident of cage crashing takes place repeatedly during mine operation, remains a kind of jar falling protector of rope safely and effectively to be emerged.

Summary of the invention

When slipping the jar accident for the rope jar falling protector band hoisting cable that overcomes prior art; do not have the deficiency of protective effect; the utility model provides a kind of mine rope jar falling protector magnetic energy arrangement of clutch; the anti-fall magnetic energy arrangement of clutch of this mine rope jar; accident of cage crashing can not only prevented; and can be out of control at winch; during the dangerous situation of cage hypervelocity; prevent the generation of accident of cage crashing constantly; it is simple in structure; quick action when the cage automatic brake takes place, can recover virgin state automatically after settlement of accident is intact and continue operation.

The technical scheme that its technical matters that solves the utility model adopts is, it is made up of magnetic partial sum TT﹠C system, the magnetic part is by the permanent magnet cover, permanent magnet is formed, TT﹠C system is by the numerical control case, dc speed-changing motor, speed sensor, position transduser, alignment sensor is formed, the numerical control case is by power supply, Programmable Logic Controller, relay, the wireless data transmission radio station is formed, the permanent magnet cover is made up of concentrating flux plate and sight shield, a concentrating flux plate and five sight shields cooperate screw to fix, constitute the permanent magnet cover, there is unthreaded hole at two sight shield centers wherein, permanent magnet is tabular, there is rotating shaft at two ends, permanent magnet cooperates with permanent magnet cover inner chamber, and the rotating shaft on the permanent magnet cooperates with unthreaded hole in two sight shields, the crossbeam baseplane barrel bolt of top sight shield in the permanent magnet cover and main tie lower end are fixed, the dc speed-changing motor cooperates with the drive coupling key, drive coupling cooperates with permanent magnet one end rotating shaft key, and the crossbeam baseplane barrel bolt of its fixed mount and main tie lower end are fixed, the rotating shaft of the permanent magnet other end cooperates with position sensor contacts, the crossbeam baseplane barrel bolt of position transduser fixed mount and main tie lower end are fixed, the alignment sensor upper end is fixed with the crossbeam baseplane barrel bolt of main tie lower end, following terminal contacts cooperates with the torque arm beam surface upper, speed sensor and fixed cross beam side barrel bolt are fixed, and the numerical control case cooperates with the crossbeam of main tie lower end.

The beneficial effects of the utility model are, the anti-fall magnetic energy arrangement of clutch of this mine rope jar, accident of cage crashing can not only prevented, and can be out of control, during the dangerous situation of cage hypervelocity at winch, prevent the generation of accident of cage crashing constantly, it is simple in structure, and quick action is when the cage hypervelocity takes place, the moment braking can recover virgin state automatically after settlement of accident is intact and continue operation.

Description of drawings:

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is this new structure front view;

Fig. 2 is this novel magnetic part-structure front view;

Fig. 3 is the A-A cutaway view of this novel Fig. 2;

Fig. 4 is this new measuring-control system principle view;

The specific embodiment:

This later-model specific embodiment is, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, it is made up of magnetic partial sum TT﹠C system, the magnetic part is by permanent magnet cover 6, permanent magnet 24 is formed, TT﹠C system is by numerical control case 7, dc speed-changing motor 9, speed sensor 10, position transduser 13, alignment sensor 3 is formed, numerical control case 7 is by power supply 28, Programmable Logic Controller 29, relay 30, wireless data transmission radio station 31 is formed, permanent magnet cover 6 is by concentrating flux plate 25 and

sight shield

20,21,22,26,27 form, a concentrating flux plate 25 and five

sight shields

20,21,22,26,27 cooperate screw to fix, constitute permanent magnet cover 6, two sight shields 20 wherein, there is unthreaded hole at 22 centers, permanent magnet 24 is tabular, there is rotating shaft 23 at two ends, 26, permanent magnet 24 cooperates with permanent magnet cover 6 inner chambers, and the rotating shaft on the permanent magnet 24 23,26 and two sight shields 20, unthreaded hole in 22 cooperates, top sight shield 21 in the permanent magnet cover 6 is fixed with the crossbeam 19 baseplane barrel bolt of main tie 5 lower ends, dc speed-changing motor 9 cooperates with drive coupling 11 keys, drive coupling 11 cooperates with permanent magnet 24 1 end rotating shafts 23 keys, and its fixed mount 8 is fixed with the crossbeam 19 baseplane barrel bolt of main tie 5 lower ends, permanent magnet 24 other end rotating shafts 26 cooperate with position transduser 13 contacts, position transduser 13 fixed mounts 4 are fixed with the crossbeam 19 baseplane barrel bolt of main tie 5 lower ends, the crossbeam 19 baseplane barrel bolt of alignment sensor 3 upper ends and main tie 5 lower ends are fixed, following terminal contacts cooperates with torque arm crossbeam 12 upper surfaces, speed sensor 10 is fixed with fixed cross beam 2 side barrel bolt

The principle of work of above-mentioned mine rope jar falling protector magnetic energy arrangement of clutch is achieved in that with reference to Fig. 1, Fig. 4 power supply 28 adopts direct supply, when cage moves, speed sensor 10 is transferred to Programmable Logic Controller 29 with detected cage speed signal, Programmable Logic Controller 29 is by internal arithmetic, judge whether the cage operation exceeds the speed limit, when winch band rope out of control weighs down jar, speed sensor 10 detects overspeed signal, signal is transferred to Programmable Logic Controller 29, Programmable Logic Controller 29 outputs one control signal is given relay 30, relay 30 obtains signal, main contact in the relay 30 is connected, dc speed-changing motor 9 is connected, dc speed-changing motor 9 is rotated in the forward 90 degree, permanent magnet 24 rotates 90 degree thereupon and changes its magnetic, at this moment position transduser 13 is in lower limit, dc speed-changing motor 9 stops the rotation, sight shield 26 on tabular permanent magnet 24 big faces and the

permanent magnet cover

6,27 is parallel, concentrating flux plate 25 on the permanent magnet cover 6 unloads magnetic, magnetic force reduces to minimum value, torque arm crossbeam 12 separates with concentrating flux plate 25 on the permanent magnet cover 6, tension spring 16 spurs driving levers 15 simultaneously, in the catching device sliding wedge 17 wedging catching devices 18, clamp brake wire 1, cage is stopped gliding, get rid of as winch breakdown, winch becomes flexible hoisting cable, main tie 5 is fallen from fixed cross beam 2, concentrating flux plate 25 in the permanent magnet cover 6 cooperates with plane on the torque arm crossbeam 12, plane contact on this moment alignment sensor 3 contacts and the torque arm crossbeam 12, main tie crossbeam 19 position signals are passed to hoist house, the people gives wireless data transmission radio station 31 for sending a signal, wireless data transmission radio station 31 is transferred to Programmable Logic Controller 29 to this signal, Programmable Logic Controller 29 outputs one control signal is given relay 30, relay 30 controlled signals, main contact in the relay 30 is connected, dc speed-changing motor 9 is connected, dc speed-changing motor 9 contrarotations 90 degree change its magnetic, at this moment position transduser 13 is in upper limit, dc speed-changing motor 9 stops the rotation, tabular permanent magnet 24 big faces are parallel with the concentrating flux plate 25 on the permanent magnet cover 6, concentrating flux plate 25 band magnetic on the permanent magnet cover 6, magnetic force is strengthened to maxim, and with 12 adhesives of torque arm crossbeam, winch is mentioned hoisting cable, at this moment main tie 5 is mentioned thereupon, torque arm 14 pulling driving levers 15, draw back tension spring 16, dial catching device sliding wedge 17 down, catching device 18 unclamps automatic steel rope 1, and winding cage gets final product.

Claims

1. mine rope jar falling protector magnetic energy arrangement of clutch, it is characterized in that: it is made up of magnetic partial sum TT﹠C system, the magnetic part is by the permanent magnet cover, permanent magnet, the dc speed-changing motor, drive coupling is formed, TT﹠C system is by the numerical control case, dc speed-changing motor, speed sensor, position transduser, alignment sensor is formed, the numerical control case is by power supply, Programmable Logic Controller, relay, data radio station is formed, the crossbeam baseplane barrel bolt of top sight shield in the permanent magnet cover and main tie lower end are fixed, the crossbeam baseplane barrel bolt of position transduser fixed mount and main tie lower end are fixed, the alignment sensor upper end is fixed with the crossbeam baseplane barrel bolt of main tie lower end, following terminal contacts cooperates with the torque arm beam surface upper, speed sensor and fixed cross beam side barrel bolt are fixed, and the numerical control case cooperates with the crossbeam of main tie lower end.

2. a kind of mine rope jar falling protector magnetic energy arrangement of clutch according to claim 1, it is characterized in that: the permanent magnet cover is made up of concentrating flux plate and sight shield, a concentrating flux plate and five sight shields cooperate screw to fix, and constitute the permanent magnet cover, and wherein there is unthreaded hole at two sight shield centers, front and back.

3. a kind of mine rope jar falling protector magnetic energy arrangement of clutch according to claim 1, it is characterized in that: permanent magnet is tabular, there is rotating shaft at two ends, and permanent magnet cooperates with permanent magnet cover inner chamber, and the rotating shaft on the permanent magnet cooperates with unthreaded hole in two sight shields.

4. a kind of mine rope jar falling protector magnetic energy arrangement of clutch according to claim 1, it is characterized in that: dc speed-changing motor cooperates with the drive coupling key, drive coupling cooperates with permanent magnet one end rotating shaft key, and the crossbeam baseplane barrel bolt of its fixed mount and main tie lower end are fixed, and the rotating shaft of the permanent magnet other end cooperates with position sensor contacts.