CN101716939B - Landing protector for shaft delinking of wire rope of overhead man-riding device - Google Patents
Landing protector for shaft delinking of wire rope of overhead man-riding device Download PDFInfo
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- CN101716939B CN101716939B CN2009102159079A CN200910215907A CN101716939B CN 101716939 B CN101716939 B CN 101716939B CN 2009102159079 A CN2009102159079 A CN 2009102159079A CN 200910215907 A CN200910215907 A CN 200910215907A CN 101716939 B CN101716939 B CN 101716939B
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- steel rope
- hall element
- wire rope
- groove
- delinking
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Abstract
The invention relates to a landing protector for shaft delinking of a wire rope of an overhead man-riding device, which realizes active protection when the overhead man-riding device lands for the shaft delinking of the wire rope, prevents people from being hurt when the overhead man-riding device lands for the shaft delinking of the wire rope, enhances the safety protection level of the overhead man-riding device and improves the safety of work environment of workers. The landing protector belongs to mine-use devices and comprises a control cabinet arranged on a cross beam, a photoswitch, a Hall element and a magnet steel, wherein the magnet steel is arranged on a tug rim, the photoswitch and the Hall element are arranged on the cross beam, the photoswitch and the wire rope are installed oppositely, the Hall element and the magnet steel are installed oppositely, the photoswitch can detect the position signal of the wire rope, the Hall element can detect the speed signal of the tug rim, an air cylinder fixing device is fixedly arranged below the cross beam, an air cylinder is fixedly arranged on the air cylinder fixing device, and a piston rod of the air cylinder can extend out below the steel wire.
Description
Technical field
The present invention relates to a kind of mining device, relate in particular to a kind of overhead manned equipment steel rope and take off groove and land fender guard.
Background technology
At present, mine overhead manned equipment steel rope takes off the groove resist technology mainly to prevent that steel rope from taking off groove, as increasing press rope wheel, improve the steel rope condition of service, improve tug rim performance etc. at grade change point.But steel rope is taken off protection behind the groove, i.e. the research of safety guard-safeguard under the accident condition, use not enough.Overhead manned equipment might cause steel rope to take off groove because of reasons such as load variations inequality, swings suddenly in operational process, and steel rope falls on a large scale, causes the personal injury of passenger.The domestic steel rope that also once occurred takes off groove and lands the accident that causes casualties.But because of technical reason, initiatively protect DeGrain, promptly can't effectively prevent steel rope to take off the generation of groove accident what steel rope took off that groove lands.In the case, to take off protection after the groove accident takes place, to alleviate causality loss particularly important.
Summary of the invention
The purpose of this invention is to provide a kind of realize the overhead manned equipment steel rope take off active protection that groove lands, prevent steel rope take off groove land hurt sb.'s feelings, raising legs air-service people apparatus for safety protection level, the overhead manned equipment steel rope that improves worker's labor safety environment take off groove and land fender guard.
For achieving the above object, the technical solution used in the present invention is:
A kind of overhead manned equipment steel rope takes off groove and lands fender guard, comprise control box, control box is installed on the crossbeam, it is characterized in that: this fender guard also comprises photoelectric switch, Hall element and magnet steel, magnet steel is installed on the tug rim, photoelectric switch and Hall element are installed on the crossbeam, the installation site of photoelectric switch is corresponding with steel rope, the installation site of Hall element is corresponding with magnet steel, photoelectric switch can detect the position signal of steel rope, and Hall element can detect the tach signal of tug rim; Be installed with the cylinder anchor fitting below the crossbeam, be installed with cylinder on the cylinder anchor fitting, the piston rod of cylinder can extend out to below the steel rope.
The present invention takes off the groove fender guard with other steel ropes and compares; more pay attention to improve the accident safety of overhead manned equipment, promptly occurring farthest dwindling the accident impact scope under the situation that steel rope takes off the groove accident; reduce causality loss, improve the safety precaution performance under the systematic failures state.The present invention proposes comparison tug rim rotating speed and controller speed signal, so the design concept of control fender guard action, the reliability height.Realized that the overhead manned equipment steel rope takes off active protection that groove lands, prevents that steel rope from taking off groove and landing and hurt sb.'s feelings, raising legs air-service people apparatus for safety protection level, improve worker's labor safety environment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an interconnecting wiring diagram of the present invention.
In the accompanying drawing:
1, control box 2, crossbeam 3, photoelectric switch 4, Hall element 5, magnet steel
6, steel rope 7, tug rim 8, cylinder 9, cylinder anchor fitting
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further described:
A kind of overhead manned equipment steel rope takes off groove and lands fender guard, as shown in Figure 1, comprise control box 1, control box 1 is installed on the crossbeam 2, this fender guard also comprises photoelectric switch 3, Hall element 4 and magnet steel 5, magnet steel 5 is installed on the tug rim 7, photoelectric switch 3 and Hall element 4 are installed on the crossbeam 2, the installation site of photoelectric switch 3 is corresponding with steel rope 6, the installation site of Hall element 4 is corresponding with magnet steel 5, photoelectric switch 3 can detect the position signal of steel rope 6, and Hall element 4 can detect the tach signal of tug rim 7; Be installed with cylinder anchor fitting 9 below the crossbeam 2, be installed with cylinder 8 on the cylinder anchor fitting 9, the piston rod of cylinder 8 can extend out to below the steel rope 6.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design concept of the present invention; common engineering staff make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
The present invention relates to the mine safety technical field, and combine the mine electrical technology.
Overhead manned equipment is the mine inclined personnel's equipment that transports, its gate top section, lower gangway section, inclined gallery section are evenly equipped with crossbeam, install tug rim under the crossbeam, the steel rope on the tug rim is driven chair lift fixing on the steel rope and is finished the personnel's of transporting working process by the drive wheel of gate top section.The steel rope of overhead manned equipment take off groove easily occur in the gate top grade change point about; when the somewhere steel rope because of operational process in some factors vary when breaking away from tug rim; tension force effect because of the front and back steel rope; steel rope is not to land at once; and after will waiting until a period of time (ten seconds or tens of seconds); quite grow before and after treating and just may lands after one section steel rope all takes off groove, cause the accident, and just land to protect the time assurance is provided during this period of time for the enforcement steel rope takes off groove.
Design of the present invention is based on following principle: when overhead manned equipment normally moved, specific to certain a bit and a certain running state, the position of steel rope and the speed of tug rim were all fixed, and when steel rope took off groove, the both can change immediately.Based on this prerequisite, this purpose core is to detect the location parameter of steel rope and the rotary speed parameter of tug rim in real time, when both change simultaneously (for avoiding misoperation), send instruction by controller, the action of driving cylinder, piston rod stretches out, the steel rope that canopy is stayed and, and send emergency mobile forces stop signal, avoid accident further to enlarge.
Principle of work of the present invention and working process are as follows:
The speed of tug rim detects and adopts Hall element, magnet steel is installed on tug rim, is utilized hall principle to detect the speed signal of tug rim, the speed signal of sending into treater and overhead manned equipment frequency converter compares, after steel rope takes off groove, detect corresponding speed difference signal; The position probing of steel rope adopts photoelectric switch, after steel rope takes off groove, when the position of steel rope changes, sends corresponding signal.For avoiding the misoperation of a certain element, have only when two states in position of the speed of tug rim and steel rope all change, controller just sends instruction, send emergency mobile forces stop signal, and drive the cylinder action, piston rod stretches out, the canopy steel rope of staying avoids accident further to enlarge.
The present invention takes off the groove fender guard with other steel ropes and compares; more pay attention to improve the accident safety of overhead manned equipment, promptly occurring farthest dwindling the accident impact scope under the situation that steel rope takes off the groove accident; reduce causality loss, improve the safety precaution performance under the systematic failures state.The present invention proposes comparison tug rim rotating speed and controller speed signal, so the design concept of control fender guard action, the reliability height.This fender guard serves as the control core with the Mitsubishi PLC of high reliability, and the output response performance is good, and cylinder is active in one's movements, and overall performance is stable.
The present invention is simple and practical, used components and parts are coal mining enterprise's device commonly used, draw materials conveniently, economy, can significantly improve steel rope and take off groove safety control level, avoid taking off personnel, the equipment loss that the groove accident causes, avoid accident to enlarge, dwindle accident impact, significantly improve worker's labor safety environment, directly and indirect economic effect remarkable.
Hardware mounting arrangements among the present invention as shown in Figure 1; originally land about fender guard each cover; be arranged symmetrically in the last grade change point position that easy generation steel rope takes off the overhead manned equipment of groove; detecting element is installed in respectively on the different crossbeams with cylinder; detecting element and photoelectric switch are installed on the section crossbeam of inclined gallery, and cylinder is installed on the grade change point crossbeam.Fig. 2 is the interconnecting wiring diagram of this device, photoelectric switch, Hall element and machine room control signal are as the control system importation, photoelectric switch, Hall element are as the element that detects drive wheel speed and steel rope position signal, the machine room control signal has two aspect effects as incoming signal: the one, be the fender guard malfunction that the instability of avoiding because of overhead manned equipment initial start stage steel rope position and drive wheel speed causes, and put into operation in protection system side, the stable back of the overhead manned equipment of need delaying time after the driving; The 2nd, overhead manned equipment frequency conversion speed signal is sent into PLC compare with the drive wheel speed detection signal.Output output machine room emergency mobile forces stop signal is guaranteed timely stopping-down.In addition, output signal drives the cylinder electromagnetic valve, and the control cylinder moves and resets.
After the overhead manned equipment startup is extremely stable, take off the groove fender guard and put into operation, photoelectric switch and Hall element detect steel rope position signal and drive wheel speed signal respectively, and the latter compares with garage frequency converter speed signal by the PLC calculation function.
When last grade change point inclined gallery section steel rope (the easiest groove that takes off of steel rope herein) breaks away from tug rim; tension force effect because of the front and back steel rope; steel rope does not land at once; and continue to move in the tug rim outside; after waiting until a period of time (ten seconds or tens of seconds); because of after front and back quite grow one section steel rope and all take off groove; this section steel rope just may all land; cause the accident; during this period of time; detecting element and photoelectric switch have time enough to detect the variation of the position signal of the speed signal of tug rim and steel rope; before all landing, just sends this section steel rope the protection instruction, the overhead manned equipment sudden stop, and drive the cylinder action; canopy accommodates the steel rope that may fall, and finishes steel rope is taken off the active protection that groove lands.
Land the reliability of fender guard for guaranteeing to take off groove; avoid misoperation (overhead manned equipment is in operation and may causes the sudden change of the speed signal of the position signal of steel rope and tug rim because of all factors such as load variations, vibration etc.); when protection system is set to two signals and changes simultaneously; fender guard is the output action signal; the action of driving cylinder; send emergency mobile forces stop signal, avoid further expansion and personnel's property damage of accident.
Claims (1)
1. an overhead manned equipment steel rope takes off groove and lands fender guard, comprise control box (1), control box (1) is installed on the crossbeam (2), it is characterized in that: this fender guard also comprises photoelectric switch (3), Hall element (4) and magnet steel (5), magnet steel (5) is installed on the tug rim (7), photoelectric switch (3) and Hall element (4) are installed on the crossbeam (2), the installation site of photoelectric switch (3) is corresponding with steel rope (6), the installation site of Hall element (4) is corresponding with magnet steel (5), photoelectric switch (3) can detect the position signal of steel rope (6), and Hall element (4) can detect the tach signal of tug rim (7); Be installed with cylinder anchor fitting (9) below the crossbeam (2), be installed with cylinder (8) on the cylinder anchor fitting (9), the piston rod of cylinder (8) can extend out to below the steel rope (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102159079A CN101716939B (en) | 2009-12-26 | 2009-12-26 | Landing protector for shaft delinking of wire rope of overhead man-riding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102159079A CN101716939B (en) | 2009-12-26 | 2009-12-26 | Landing protector for shaft delinking of wire rope of overhead man-riding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716939A CN101716939A (en) | 2010-06-02 |
| CN101716939B true CN101716939B (en) | 2011-08-24 |
Family
ID=42431595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102159079A Expired - Fee Related CN101716939B (en) | 2009-12-26 | 2009-12-26 | Landing protector for shaft delinking of wire rope of overhead man-riding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716939B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822369A (en) * | 1973-06-29 | 1974-07-02 | Lift Eng & Mfg Inc | Frangible, flexible printed circuit sensor fracturable by derailed cable |
| FR2389523A2 (en) * | 1976-01-13 | 1978-12-01 | Miran Alain | |
| EP0771709A1 (en) * | 1991-11-29 | 1997-05-07 | Seiko Epson Corporation | Displacement detector in transfer apparatus and driving controller of transfer member |
| CN201240749Y (en) * | 2008-05-26 | 2009-05-20 | 扬州市顶新机械设备有限公司 | Mine overhead passenger device |
| CN201587406U (en) * | 2009-12-26 | 2010-09-22 | 枣庄矿业（集团）有限责任公司柴里煤矿 | Device for preventing steel wire rope of overhead passenger device from jumping from slot and falling onto ground |
-
2009
- 2009-12-26 CN CN2009102159079A patent/CN101716939B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822369A (en) * | 1973-06-29 | 1974-07-02 | Lift Eng & Mfg Inc | Frangible, flexible printed circuit sensor fracturable by derailed cable |
| FR2389523A2 (en) * | 1976-01-13 | 1978-12-01 | Miran Alain | |
| EP0771709A1 (en) * | 1991-11-29 | 1997-05-07 | Seiko Epson Corporation | Displacement detector in transfer apparatus and driving controller of transfer member |
| CN201240749Y (en) * | 2008-05-26 | 2009-05-20 | 扬州市顶新机械设备有限公司 | Mine overhead passenger device |
| CN201587406U (en) * | 2009-12-26 | 2010-09-22 | 枣庄矿业（集团）有限责任公司柴里煤矿 | Device for preventing steel wire rope of overhead passenger device from jumping from slot and falling onto ground |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716939A (en) | 2010-06-02 |
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Granted publication date: 20110824 Termination date: 20111226 |