CN214192180U - Monitoring and protecting system of automatic tension balancing device for steel wire rope - Google Patents
Monitoring and protecting system of automatic tension balancing device for steel wire rope Download PDFInfo
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- CN214192180U CN214192180U CN202022783259.1U CN202022783259U CN214192180U CN 214192180 U CN214192180 U CN 214192180U CN 202022783259 U CN202022783259 U CN 202022783259U CN 214192180 U CN214192180 U CN 214192180U
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Abstract
The utility model discloses a monitoring and protecting system of a steel wire rope tension automatic balancing device, which comprises a polysilicon pressure sensor, an intrinsic safety electric stop valve, a driver, a wireless data acquisition unit, a wireless data receiver, an upper computer and a power supply; the automatic tension balancing device is characterized in that the polycrystalline silicon pressure sensor and the intrinsic safety electric stop valve are arranged on an oil way connecting assembly between single bodies of the automatic tension balancing device through a hydraulic tee pipe fitting; the system has the advantages of simple structure, sensitive response, real-time monitoring and high reliability, has the functions of monitoring the tension of the steel wire rope, monitoring the tension difference and positioning the fault monomer of the automatic tension balancing device of the hoisting steel wire rope, can effectively monitor the faults of leakage, over-limit of the oil cylinder, cylinder clamping and the like of the automatic tension balancing device of the hoisting steel wire rope, and the problems of abnormal tension balance, abnormal length and the like of the steel wire rope, protects the safe and normal operation of the automatic tension balancing device of the hoisting steel wire rope, and ensures the safe hoisting and transportation of the vertical shaft.
Description
Technical Field
The utility model relates to a wire rope tension automatic balancing unit in the vertical shaft promotes transportation belongs to mining electromechanical device state monitoring and fault diagnosis technical field, specifically is a wire rope tension automatic balancing unit monitoring and protection system.
Background
The running state of the mine hoist is related to the safety of mine personnel and equipment, the safety problem is very important, the equipment is damaged due to poor treatment, property loss is caused, and even personnel safety accidents can be caused seriously. At present, a floor type multi-rope friction hoist is adopted for vertical shaft hoisting and transportation of many coal mines. Since the use of the multi-rope friction type hoisting machine, the problem of unbalanced tension of the steel wire rope exists.
2016 coal mine safety code, the difference between the tension of any one steel wire rope of the fourth hundred eleven gauge multi-rope hoist and the average tension of the steel wire rope of the fourth hundred eleven gauge multi-rope hoist must not exceed +/-10 percent. At present, a steel wire rope tension automatic balancing device is basically used in China, the tension can be automatically adjusted when a lifting container is lifted or lowered, and the problem that the tension of a lifting steel wire rope is difficult to adjust is basically solved. However, in long-term use, the automatic tension balancing device for the steel wire rope also has inherent problems, such as hydraulic oil leakage, cylinder clamping, oil cylinder reaching upper and lower limits caused by long-term operation of the balancing device, abnormal length of the steel wire rope and the like. The above conditions can influence the steel wire rope tension automatic balancing device to play a normal role, and even the tension balance can not be carried out completely, thereby threatening the mine hoisting safety.
In the prior art, the device and the technology for monitoring the tension of the steel wire rope for multi-rope lifting only can monitor the tension change of the steel wire rope, but cannot monitor the working condition of the automatic tension balancing device of the steel wire rope, the tension difference among a plurality of ropes and a single fault of the automatic tension balancing device of the positioning lifting steel wire rope, and have more defects.
Therefore, a monitoring and protecting system for the automatic tension balancing device of the steel wire rope is needed to monitor the working condition of the tension balancing device constantly so as to ensure the tension balance and the lifting and transportation safety of the multi-rope lifting steel wire rope.
Disclosure of Invention
To the problem that exists and prior art not enough, the utility model provides a monitoring of wire rope tension automatic balancing unit and protection system can effectually monitor faults such as weeping, hydro-cylinder transfinite, the card jar that promote wire rope tension automatic balancing unit to and wire rope tension balance other problems such as unusual and length are unusual, and the protection promotes wire rope tension automatic balancing unit safe normal operating, and guarantee shaft promotes transportation safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a monitoring and protecting system for an automatic tension balancing device of a steel wire rope. The system is a working state monitoring and protecting system developed for a hoisting steel wire rope tension automatic balancing device of a multi-rope friction type mine hoist, and therefore the system needs to be matched with the steel wire rope tension automatic balancing device for use. The system comprises a polycrystalline silicon pressure sensor, an intrinsic safety electric stop valve, a driver, a wireless data acquisition unit, a wireless data receiver, an upper computer and a power supply.
Furthermore, the number of the polysilicon pressure sensors is multiple, and the sensors correspond to one steel wire rope respectively. Each polycrystalline silicon pressure sensor is arranged on an oil way connecting component between the lifting steel wire rope tension automatic balancing device units through a hydraulic tee pipe fitting, and can measure the oil pressure of the hydraulic cylinder of the corresponding lifting steel wire rope tension automatic balancing device unit, so that the tension borne by the steel wire rope connected with the unit can be measured through conversion.
Furthermore, this ampere of electronic stop valve is installed on the oil circuit coupling assembling between hoisting wire rope tension automatic balancing unit monomer, but switch hoisting wire rope tension automatic balancing unit monomer hydraulic circuit, keeps apart hoisting wire rope tension automatic balancing unit monomer, and then can monitor single wire rope tension change condition.
Further, the driver is used for driving a control motor in the intrinsic safety electric stop valve, so that the intrinsic safety electric stop valve is driven and controlled to open and close the hydraulic pipeline.
Furthermore, the wireless data acquisition unit is a sub-industrial YAV-16D type wireless acquisition card, has the functions of A/V data acquisition, digital control and wireless communication, can be used for receiving pressure signals measured by the polysilicon pressure sensor and controlling the intrinsic safety electric stop valve switch, and can be used for carrying out wireless data communication with a wellhead wireless data receiver.
Furthermore, the wireless data receiver is an industrial Wi-Fi router, is installed on a ground wellhead, is connected with an upper computer, and can be in wireless communication with the wireless data collector.
Furthermore, the upper computer adopts a Hua IPC610 type industrial control machine;
furthermore, the power supply uses a lithium iron phosphate battery pack to supply power for the driver and the wireless data acquisition unit.
Furthermore, the polysilicon pressure sensor and the intrinsic safety electric stop valve are arranged on an oil way connecting assembly between the lifting steel wire rope tension automatic balancing device units, the driver, the wireless data acquisition unit and the power supply are fixed in an explosion-proof box, and the explosion-proof box is fixed at the top of the lifting container.
Compared with the prior art, the invention has the beneficial effects that:
(1) the system uses the wireless communication technology for data transmission, does not need to arrange cables, and has the advantages of simple structure, sensitive response, real-time monitoring and high reliability;
(2) the system has the functions of monitoring the tension of the steel wire rope, monitoring the tension difference and positioning the fault single body of the automatic tension balancing device of the hoisting steel wire rope, and can monitor the faults of liquid leakage, oil cylinder overrun, cylinder clamping and the like of the automatic tension balancing device of the hoisting steel wire rope;
(3) the system can also effectively monitor the problems of abnormal tension balance, abnormal length and the like of the steel wire rope, protect the automatic tension balancing device of the hoisting steel wire rope to operate safely and normally, and ensure the safety of vertical shaft hoisting transportation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the installation of the polysilicon pressure sensor and the intrinsic safety electric stop valve of the present invention.
In the figure:
the system comprises a 1-1 polycrystalline silicon pressure sensor, a 1-2 polycrystalline silicon pressure sensor, a 1-3 polycrystalline silicon pressure sensor, a 1-4 polycrystalline silicon pressure sensor, a 2-1 intrinsic safety electric stop valve, a 2-2 intrinsic safety electric stop valve, a 2-3 intrinsic safety electric stop valve, a 2-4 intrinsic safety electric stop valve, a 3 driver, a 4 wireless data collector, a 5 wireless data receiver, a 6 upper computer, a 7 power supply, an 8 oil way connecting assembly, a 9-1 steel wire rope tension automatic balancing device monomer, a 9-2 steel wire rope tension automatic balancing device monomer, a 9-3 steel wire rope tension automatic balancing device monomer and a 9-4 steel wire rope tension automatic balancing device monomer.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and are not intended to limit the scope of the invention.
The utility model discloses a working condition monitoring and protection system to the development of the hoist wire rope tension automatic balancing unit of multi-rope friction formula mine winder, consequently this system need use with the cooperation of wire rope tension automatic balancing unit.
As shown in figures 1 and 2, the system consists of polysilicon pressure sensors 1-1, 1-2, 1-3 and 1-4, intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4, a driver 3, a wireless data collector 4, a wireless data receiver 5, an upper computer 6 and a power supply 7. The polycrystalline silicon pressure sensors 1-1, 1-2, 1-3 and 1-4 are arranged on an oil way connecting assembly 8 between the lifting steel wire rope tension automatic balancing device units through hydraulic tee pipe fittings and are connected with a wireless data collector 4; the intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4 are arranged on an oil way connecting assembly 8 between the lifting steel wire rope tension automatic balancing device units and are connected with the driver 3; the driver 3, the wireless data acquisition unit 4 and the power supply 7 are fixed in an explosion-proof box, and the explosion-proof box is fixed at the top of the lifting container; the wireless data receiver 5 is arranged at the ground wellhead and used for receiving signals transmitted by the wireless data collector 4; the upper computer 6 is positioned in a ground control room; the power supply 7 supplies power to the driver 3 and the wireless data acquisition device 4.
The polycrystalline silicon pressure sensors 1-1, 1-2, 1-3 and 1-4 respectively correspond to a steel wire rope. The polysilicon pressure sensors 1-1, 1-2, 1-3 and 1-4 are arranged on an oil way connecting assembly 8 among the lifting steel wire rope tension automatic balancing device units 9-1, 9-2, 9-3 and 9-4 through hydraulic tee pipe fittings, and can measure the oil pressure of the hydraulic cylinders of the corresponding lifting steel wire rope tension automatic balancing device units 9-1, 9-2, 9-3 and 9-4, and further can convert and measure the tension born by the steel wire rope connected with the units.
The intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4 are arranged on an oil way connecting assembly 8 among lifting steel wire rope tension automatic balancing device monomers 9-1, 9-2, 9-3 and 9-4, hydraulic loops of 9-1, 9-2, 9-3 and 9-4 among the lifting steel wire rope tension automatic balancing device monomers can be switched, the lifting steel wire rope tension automatic balancing device monomers 9-1, 9-2, 9-3 and 9-4 are isolated, and accordingly the tension change condition of a single steel wire rope can be monitored.
The driver 3 is used for driving control motors in the intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4 so as to drive and control the intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4 to open and close the hydraulic pipelines.
The wireless data acquisition device 4 is an industrial grade YAV-16D type wireless acquisition card, has the functions of A/V data acquisition, digital control and wireless communication, can be used for receiving pressure signals measured by the polysilicon pressure sensors 1-1, 1-2, 1-3 and 1-4 and controlling the intrinsic safety electric cut-off valve switches 2-1, 2-2, 2-3 and 2-4, and can be used for carrying out wireless data communication with the wellhead wireless data receiver 5.
The wireless data receiver 5 is an industrial Wi-Fi router, is installed on a ground wellhead, is connected with the upper computer 6, and can perform wireless communication with the wireless data collector 4.
The upper computer 6 adopts a Hua IPC610 type industrial control machine;
and the power supply 7 uses a lithium iron phosphate battery pack to supply power for the driver 3 and the wireless data acquisition unit 4.
The polycrystalline silicon pressure sensors 1-1, 1-2, 1-3 and 1-4 and the intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4 are arranged on an oil way connecting assembly 8 among lifting steel wire rope tension automatic balancing device monomers 9-1, 9-2, 9-3 and 9-4; the driver 3, the wireless data acquisition unit 4 and the power supply 7 are fixed in an explosion-proof box, and the explosion-proof box is fixed at the top of the lifting container.
The monitoring and protecting system of the automatic tension balancing device for the steel wire rope comprises the following specific working processes:
the system works in two states: monitoring state and maintenance state. When the multi-rope friction type mine hoist is in normal lifting work, the system is in a monitoring state. At the moment, an upper computer 6 in a ground monitoring room sends an instruction, the wireless data receiver 5 and the wireless data collector 4 are in wireless communication, the driver 3 is used for opening the intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4, hydraulic oil among lifting steel wire rope tension automatic balancing device units 9-1, 9-2, 9-3 and 9-4 is conducted through an oil way connecting assembly 8, and the lifting steel wire rope tension automatic balancing device plays a role in tension balancing; at the moment, the polycrystalline silicon pressure sensors 1-1, 1-2, 1-3 and 1-4 transmit the acquired pressure signals to the upper computer 6 through the wireless data acquisition device 4 and the wireless data receiver 5, and the measured real-time tension change curve of the 4 steel wire ropes is displayed on the upper computer 6 after conversion.
Under the monitoring state, hoist wire rope tension automatic balancing unit normally works, when no unusual and trouble, the 4 wire rope tension real-time change curves that show on host computer 6 should be completely unanimous, including numerical value and change isoparametric, and because the shock attenuation damping effect of hydraulic oil in the hoist wire rope tension automatic balancing unit, the tension change curve is also comparatively gentle when tension breaks suddenly.
When the real-time tension change curves of the 4 steel wire ropes displayed on the upper computer 6 are inconsistent, or when the change rule of a certain tension change curve in the polycrystalline silicon pressure sensors 1-1, 1-2, 1-3 and 1-4 is different from the change rule of a historical curve when the tension changes suddenly, it is indicated that the automatic tension balancing device for the hoisting steel wire ropes possibly has faults, such as the faults of liquid leakage, cylinder blocking, oil cylinder overrun and the like of single bodies 9-1, 9-2, 9-3 and 9-4 of the automatic tension balancing device for the individual hoisting steel wire ropes, the abnormal tension balancing and the abnormal length of the steel wire ropes and the like, and the maintenance state is required at the moment.
When the device enters the maintenance state, the upper computer 6 in the ground monitoring room sends an instruction, the wireless data receiver 5 and the wireless data collector 4 are in wireless communication, and the drivers 3 are used for partially closing or completely closing intrinsic safety electric stop valves 2-1, 2-2, 2-3 and 2-4 corresponding to the polysilicon pressure sensors 1-1, 1-2, 1-3 and 1-4 which measure abnormal tension curves, so that hydraulic oil paths of corresponding lifting steel wire rope tension automatic balancing device monomers 9-1, 9-2, 9-3 and 9-4 are closed, and the oil path connecting assembly 8 is partially closed or completely closed. Under the maintenance state, the lifting machine continuously operates for a period of time, can record the pressure differential of horizontal comparison between each wire rope this moment, and the pressure change law and the condition on every wire rope longitudinal time, thereby can tentatively judge out steel wire rope tension automatic balancing unit and surveyed wire rope's trouble and type, if weeping, the hydro-cylinder transfinites, the card jar, and wire rope tension and length scheduling problem unusually, make things convenient for staff's quick positioning failure and carry out manual work on next step and overhaul, effectively improved work efficiency.
To sum up, the utility model discloses can have the high advantage of simple structure, sensitive, real-time supervision of reaction, reliability, have wire rope tension monitoring, the poor monitoring of tension and the free function of location hoist wire rope tension automatic balancing unit trouble, can effectively monitor the weeping that promotes wire rope tension automatic balancing unit, the hydro-cylinder transfinites, trouble such as card jar, and wire rope tension balance abnormity and length abnormity scheduling problem, make things convenient for the quick location and the clearance of trouble, can effectual improvement maintainer's work efficiency, protection hoist wire rope tension automatic balancing unit safe and normal operation, guarantee vertical well promotes transportation safety.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.
Claims (5)
1. A monitoring and protecting system for a steel wire rope tension automatic balancing device is characterized in that: the system needs to be matched with a steel wire rope tension automatic balancing device for use, and comprises a polysilicon pressure sensor (1-1, 1-2, 1-3 and 1-4), an intrinsic safety electric stop valve (2-1, 2-2, 2-3 and 2-4), a driver (3), a wireless data acquisition unit (4), a wireless data receiver (5), an upper computer (6) and a power supply (7); the polycrystalline silicon pressure sensors (1-1, 1-2, 1-3 and 1-4) are arranged on an oil way connecting assembly (8) between the lifting steel wire rope tension automatic balancing device units through hydraulic tee pipe fittings and are connected with a wireless data collector (4) at the same time; the intrinsic safety electric stop valves (2-1, 2-2, 2-3 and 2-4) are arranged on an oil way connecting assembly (8) among the lifting steel wire rope tension automatic balancing device units and are connected with a driver (3), and the driver (3) is used for driving control motors in the intrinsic safety electric stop valves (2-1, 2-2, 2-3 and 2-4); the driver (3), the wireless data acquisition unit (4) and the power supply (7) are fixed in an explosion-proof box, and the explosion-proof box is fixed at the top of the lifting container; the wireless data receiver (5) is arranged at the ground wellhead, is connected with an upper computer (6) in a ground control room and is used for receiving signals transmitted by the wireless data acquisition unit (4); the wireless data acquisition unit (4) is used for receiving pressure signals measured by the polysilicon pressure sensors (1-1, 1-2, 1-3 and 1-4) and controlling the on-off of the intrinsic safety electric stop valves (2-1, 2-2, 2-3 and 2-4), and can be in wireless data communication with the wellhead wireless data receiver (5); and the power supply (7) supplies power to the driver (3) and the wireless data acquisition unit (4).
2. The monitoring and protection system for the automatic tension balancing device of steel wire rope according to claim 1, wherein: the wireless data acquisition device (4) is a sub-industrial YAV-16D type wireless acquisition card and has the functions of A/V data acquisition, digital control and wireless communication.
3. The monitoring and protection system for the automatic tension balancing device of steel wire rope according to claim 1, wherein: the wireless data receiver (5) is an industrial-grade Wi-Fi router.
4. The monitoring and protection system for the automatic tension balancing device of steel wire rope according to claim 1, wherein: the upper computer (6) adopts a Hua IPC610 type industrial control machine.
5. The monitoring and protection system for the automatic tension balancing device of steel wire rope according to claim 1, wherein: and the power supply (7) supplies power to the driver (3) and the wireless data acquisition unit (4) by using a lithium iron phosphate battery pack.
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| CN202022783259.1U CN214192180U (en) | 2020-11-26 | 2020-11-26 | Monitoring and protecting system of automatic tension balancing device for steel wire rope |
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| CN202022783259.1U CN214192180U (en) | 2020-11-26 | 2020-11-26 | Monitoring and protecting system of automatic tension balancing device for steel wire rope |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009971A (en) * | 2022-08-10 | 2022-09-06 | 启东凯顺机械制造有限公司 | Self-adjusting lifting hook of multi-rope crane |
| CN116086677A (en) * | 2022-09-30 | 2023-05-09 | 中国矿业大学 | Multi-wire rope tension balance monitoring method and system and electronic equipment |
-
2020
- 2020-11-26 CN CN202022783259.1U patent/CN214192180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009971A (en) * | 2022-08-10 | 2022-09-06 | 启东凯顺机械制造有限公司 | Self-adjusting lifting hook of multi-rope crane |
| CN116086677A (en) * | 2022-09-30 | 2023-05-09 | 中国矿业大学 | Multi-wire rope tension balance monitoring method and system and electronic equipment |
| CN116086677B (en) * | 2022-09-30 | 2024-01-16 | 中国矿业大学 | Multi-wire rope tension balance monitoring method and system and electronic equipment |
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