CN202953644U - Wire rope tension detection device of friction-type lifting machine - Google Patents
Wire rope tension detection device of friction-type lifting machine Download PDFInfo
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- CN202953644U CN202953644U CN 201220665377 CN201220665377U CN202953644U CN 202953644 U CN202953644 U CN 202953644U CN 201220665377 CN201220665377 CN 201220665377 CN 201220665377 U CN201220665377 U CN 201220665377U CN 202953644 U CN202953644 U CN 202953644U
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Abstract
The utility model discloses a wire rope tension detection device of a friction-type lifting machine, wherein two full-hydraulic automatic balancing devices are respectively mounted on two jar cages and are respectively connected with two ends of wire ropes; two wire rope tension sending parts are respectively mounted on the two jar cages; wire rope tension receiving parts are mounted in a lifting machine room; a base radio station is connected with a leaky cable which is connected with a terminal box; the head of the leaky cable is positioned underground a well; the base radio station is used for transmitting the processed wireless signals to the wire rope tension receiving parts through an antenna. A data processing part is composed of a power supply, a human-computer interface, a position switch, a signaling switch, a control switch and a programmable controller. The wire rope tension detection device is used for finishing the processing of the tension data of the wire ropes of the friction-type lifting machine as well as the in-place position detection, the running status detection and the electrical shutoff control of the friction-type lifting machine. The wire rope tension detection device is used for detecting the wire ropes in a coal mine.
Description
Technical field
The utility model relates to a kind of steel cable tension tester of mining machine electrohydraulic integration control field, relates in particular to a kind of friction type winder steel cable tension tester.
Background technology
Domestic and international big-and-middle-sized colliery all is designed with major-minor well elevator system, and auxiliary-well takeup is used for promoting various materials, instrument, equipment, spoil and the operating personnel etc. that use under coal mine, and main shaft is used for the useful mineral products of coal that winding shaft extraction next time comes.Friction type winder is widely applied in mine hoisting because of its too small friction roll and wirerope diameter, higher safety factor, the compact advantages such as equipment package.Friction type winder belongs to a formula mechanical equipment, takes on friction roll and covers many steel ropes, and the steel rope two ends connect lifting container, and the friction force between dependence and friction roll liner drives lifting container operation repeatedly up and down.In the auxiliary shaft friction type winder, lifting container is commonly called cage, cage have individual layer and bilayer minute, be used for loading the material that uses under various coal mine, equipment, vehicle etc. between cage deck, the operating personnel who simultaneously bears under coal mine goes up inferior lifting task.Because there are many steel ropes in friction type winder, affected by the factors such as steel rope material, manufacturing process, friction roll grooving diameter, steel rope installation error, steel rope wriggling amount deviation, tension force between each steel rope is difficult to be consistent, be subject to the friction force size between friction hoisting motor driving power, wire-rope safety factor and friction roll and steel rope to be subject to certain effects limit, the one-sided Maximum Loading Capacity of friction type winder friction roll and both sides load-carrying be poor also certain safety limit simultaneously.Therefore, " safety regulations in coal mine " the 382nd regulation: Maximum Loading Capacity and the maximum gross of gig are poor, should announce at well head no over-loading and the operation of the overload method of double differences." safety regulations in coal mine " the 423rd regulation: the tension force of arbitrary hoisting cable of friction type winder and the difference of mean tension must not surpass ± 10%.That is to say, friction type winder not only can not overload, and the Tension Difference between each steel rope can not be bigger than normal, otherwise the grave accidents such as too fast aging, the sliding rope of steel rope, disconnected rope can occur.At present, China's mine industry friction type winder has generally adopted all-hydraulic automatic balance device connecting steel wire ropes and lifting container, relies on the balancing cylinder communicate with each other to adjust the length of each steel rope, is used for the tension force difference of each steel rope of balance.The balancing cylinder of all-hydraulic automatic balance device utilizes connected pipes UNICOM; utilize Pascal's law to carry out the tension force difference between each steel rope of balance; the position but the piston of wherein one or two balancing cylinder often can reach capacity; appearance can't balance rope tension force difference phenomenon; cause discontinuity equalization problem between steel rope, when serious, can cause too fast aging, the rope-broken accident of steel rope.Once some balancing cylinder pistons of the all-hydraulic automatic balance device of friction type winder have reached end position, must stop immediately all balancing cylinders are redistributed to oil pressure, guarantee that the piston of each balancing cylinder is not in end position, ensure that friction type winder steel wire rope tension difference can not transfinite.Therefore, tension force and the tension force difference of detection friction type winder steel rope become very important.
Chinese utility model patent " the wire rope tension observing " (patent No.: ZL200720093106.6; Granted publication number: CN201002900Y) utilize load transducer to be fixed on the slip cushion block of gig hydraulic pressure adjusting rope device or by hydraulic pressure hydraulic cylinder for adjusting rope hydraulic coupling and detect steel wire rope tension, judgement steel wire rope tension and one-sided tension force summation.In down-hole and ground, radio receiver is set respectively, solves the problem that wireless signal can't transmit in pit shaft.
Chinese invention patent application " the automatic wire tension balancing device for multiple wire hoist " (patent No.: ZL 90105060.1; Application notification number: CN1054952A) introduced a kind of mechanical type automatic wire tension balancing device for multiple wire hoist.
Chinese invention patent application " multi-rope winder steel wire rope tension test method and device thereof the " (patent No.: ZL 200910227802.5; Application notification number: CN101726383A) introduced and a kind ofly by impacting steel rope, produced shear wave, utilized acceleration pick-up to pick up the steel rope fluctuation signal and calculate method of inspection and the device that the shear wave conduction of velocity calculates steel wire rope tension.
Chinese utility model patent " the dynamic measurer for tension of steel wire rope " (patent No.: ZL 94204275.1; Granted publication number: CN2185433Y) introduced utilization and pressurizeed by propulsive mechanism, advanced pinch roller extruded cords rope, detected the device of steel wire rope tension at the press nips sensor installation.
Chinese invention patent application " wire rope tension balancing cylinder and lifting load the monitoring system " (patent No.: ZL 200810016166.7; Application notification number: CN 101279688A) introduced and utilized displacement pickup to detect the balancing cylinder position, utilized hydraulic pressure transducer to detect steel wire rope tension, utilized the mode of wireless signal transmission to judge the system of wire rope tension balancing cylinder and tension force.
Chinese utility model patent " wire rope adjusting device that contains the load transducer " (patent No.: ZL 200720093107.0; Granted publication number: CN 201002910Y) introduced the device that detects steel wire rope tension on a kind of slide block that piezoelectricity or strain gauge transducer is fixed on to the hydraulic steel wire rope adjusting rope device.
Chinese utility model patent " wire rope adjusting device that contains the load transducer " (patent No.: ZL 200620165513.9; Granted publication number: CN 200992453Y) utilize hydraulic pressure transducer to detect steel wire rope tension, judgement steel wire rope tension and one-sided tension force summation, arrange respectively radio receiver in down-hole and ground, solves the problem that wireless signal can't transmit in pit shaft.
Chinese utility model patent " the hoist wire rope tension sensor " (patent No.: ZL 92224739.0; Granted publication number: CN 2134383Y) introduced a kind of diffuse silicon of utilizing for strain gauge element, can be applicable to detect the sensor of hoist wire rope tension.
Chinese invention patent application " hoist wire rope tension the on-line measuring device " (patent No.: ZL 94115452.1; The application notification number: CN 1105755A) introduced and utilized force transducer, signal, through overcutting, utilizes the tension force on-line measuring device of steel rope as transmitting medium.
Chinese utility model patent " a kind of load monitoring system of elevator " (patent No.: ZL 200620071373.9; Granted publication number: CN 2902992Y) introduced a kind of sensor of waterproof that utilizes and detected steel wire rope tension, by down-hole and ground, radio receiver being set respectively, utilized the system of transmission over radio monitoring gig load.
Chinese invention patent application " a kind of mine hoist adding starting torque given method of online detection the load-carrying " (patent No.: ZL 201110238012.4; Application notification number: CN 110311023A) introduced the real-time tension force that utilizes pulling force sensor measuring steel wire rope, determine load weight with this, carry out computing by transmission over radio, obtain needing the additional staring torque signal of stack, by the comprehensive staring torque signal of upper computer and additional staring torque signal, set superimposed current signal corresponding to stack moment and judge cut-offfing of mechanical brake, guaranteeing motor start-up.
At present, the Domestic Scientific Research worker has developed the friction type winder steel wire rope tension detection of several different methods
Device, because the lifting container of friction type winder is moving device, can only adopt the method for radio detection, but due to the metal derrick being installed in pit shaft, a lot of radio detection modes are difficult to gather effect, therefore also do not form at present the product of high reliability, maturation.
Summary of the invention
The purpose of this utility model is to provide a kind of friction type winder steel cable tension tester, judge the lack of balance of steel wire rope tension difference by the balancing cylinder end position that detects all-hydraulic automatic balance device, tension force by cumulative each steel rope and, lifting load-carrying and the friction type winder load-carrying of calculating friction type winder are poor, tension force and variable quantity by steel rope in detection of dynamic friction type winder operational process, judgement friction type winder lifting container traveling comfort in pit shaft, change the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of friction type winder steel cable tension tester, comprise friction roll, steel rope, two cages, steel rope rides on friction roll, the two ends of steel rope connect two cages, balance rope two ends are connected to the lower end of two cages, it is characterized in that: two all-hydraulic automatic balance devices are arranged on respectively on two cages, the two ends of two all-hydraulic automatic balance device difference connecting steel wire ropes, two steel wire rope tension transmitting portions are arranged on respectively on two cages, the steel wire rope tension receiving unit is arranged in winding houses, base station connects leaky cable, leaky cable connects termination box, the head of leaky cable is positioned at down-hole, base station passes through the wireless signal after day alignment steel wire rope tension receiving unit forward process, the data processing section of described device is comprised of power supply, man-machine interface, location switch, signal switch, master cock, Programmable Logic Controller, complete the processing of friction type winder steel wire rope tension data, complete put in place position, condition monitoring and the outage to friction type winder and control.
According to described friction type winder steel cable tension tester, it is characterized in that: described all-hydraulic automatic balance device comprises four hydraulic pressure transducers, four balancing cylinders, four piston rods, four balancing cylinders are provided with four mounting holes, four fuel feed holes, four hydraulic pressure transducers are arranged on four mounting holes, connected pipes. connect four fuel feed holes, four steel ropes connect four piston rods; The minimum limit distance of distance for allowing of four mounting holes and four fuel feed holes.
According to described friction type winder steel cable tension tester, it is characterized in that: four shutoff valves are installed on the connected pipes of described all-hydraulic automatic balance device, all connected pipes are summarised on a total oil pipe, and total shutoff valve is installed on the pipeline that connected pipes gathers.
According to described friction type winder steel cable tension tester, it is characterized in that: described all-hydraulic automatic balance device can detect the Tension Difference of friction type winder steel rope and tension force and; When in four pistons are arranged one reaches in four mounting holes the position of any one, data in four hydraulic pressure transducers there will be sudden change, and now steel rope is in non-equilibrium state; When each piston does not reach position of mounting hole, all balancing cylinders of described all-hydraulic automatic balance device are in automatic adjustment state, and all hydraulic sensor values is cumulative, and it is poor to calculate the lifting load-carrying of friction type winder and promote load-carrying.
According to described friction type winder steel cable tension tester, it is characterized in that: described steel wire rope tension transmitting portion, by multiple way switch, amplification filtering, analogue to digital conversion, micro controller system frequency modulation, power amplifier emission, emitting antenna the electric circuit constitute, completes the wireless transmission of each balancing cylinder tension data of full automatic balance device.
According to described friction type winder steel cable tension tester, it is characterized in that: described steel wire rope tension receiving unit, by multiple way switch, amplification filtering, digital to analogy conversion, micro controller system demodulation, reception amplification, receiving wire the electric circuit constitute, completes the wireless receiving function of each balancing cylinder tension data of full automatic balance device.
According to described friction type winder steel cable tension tester, it is characterized in that: described leaky cable is arranged along the pit shaft total length, realizes that friction type winder steel wire rope tension data can the actv. transmission in any position.
The utility model has the advantages of and be: patent of the present invention is in the end position processing hydraulic installation of sensors hole of the balancing cylinder of all-hydraulic automatic balance device, utilize the sudden change of hydraulic pressure transducer data, effectively judgement friction type winder balancing cylinder piston, in end position, has defined the friction type winder steel rope thus in non-equilibrium state; Lay leaky cable in the steel guide pit shaft, realized effective transmission of wireless signal under the specific environment, met the detection of dynamic tension in the friction type winder operational process, realized the detection of friction type winder lifting container running state in steel guide, reflected in real time that online the steel guide joint has or not outstanding, lifting container to have or not the phenomenons such as clamping stagnation; Utilize balancing cylinder tension data cumulative of the all-hydraulic automatic balance device of friction type winder, realized friction type winder load-carrying and the poor detection of load-carrying, avoided friction type winder overload and the overload method of double differences to promote.Detecting device in the present invention is effectively reliable, simple possible, and accuracy of detection is high, and controller performance is reliable, has great application.The present invention both can be applicable on the mine auxiliary well friction type winder, also can be applicable to mine main shaft friction type winder and other and relied on steel rope to do on the mechanical equipment of frictional transmission.
The accompanying drawing explanation
Fig. 1 is friction type winder steel wire rope tension detection system schematic of the present invention.
Fig. 2 is all-hydraulic automatic balance device steel wire rope tension detection system schematic of the present invention.
Fig. 3 is steel wire rope tension transmission of the present invention and disposal system electrical schematic diagram.
Fig. 4 is friction type winder steel wire rope tension detection decision flow chart of the present invention.
In accompanying drawing: 1: friction roll; 2,2.1,2.2,2.3,2.4: steel rope; 3,6: all-hydraulic automatic balance device; 3.1,3.2,3.3,3.4: hydraulic pressure transducer; 3.5: connecting device; 3.6,3.11,3.18,3.19: balancing cylinder; 3.7,3.10,3.16,3.17: piston rod; 3.8,3.12,3.20,3.21: piston; 3.9,3.13,3.14,3.15: fuel feed hole; 3.22,3.23,3.24,3.25: shutoff valve; 3.26: total shutoff valve; 3.27: connected pipes; 3.28,3.29,3.30,3.31: mounting hole; 4,5: cage; 7,8: the steel wire rope tension transmitting portion; 7.1: multiple way switch; 7.2: amplification filtering; 7.3: analogue to digital conversion; 7.4: micro controller system frequency modulation; 7.5: the power amplifier emission; 7.6: the emitting antenna circuit; 9: base station; 10: the balance rope; 11: leaky cable; 12: lower well head; 13: upper well head; 14: winding houses; 15: the steel wire rope tension receiving unit; 15.1: multiple way switch; 15.2: amplification filtering; 15.3: digital to analogy conversion; 15.4: the micro controller system demodulation; 15.5: receive and amplify; 15.6: the receiving wire circuit; 16: termination box; 17: power supply; 18: man-machine interface; 19: location switch; 20: signal switch; 21: master cock; 22: antenna; 23: Programmable Logic Controller; 24: location switch.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The utility model is as Fig. 1, 2, shown in 3, a kind of friction type winder steel cable tension tester, comprise friction roll 1, steel rope 2, two cages 4, 5, steel rope 2 rides on friction roll 1, the two ends of steel rope 2 connect two cages 4, 5, balance rope 10 two ends are connected to two cages 4, 5 lower end, it is characterized in that: two all-hydraulic automatic balance devices 3, 6 are arranged on respectively two cages 4, on 5, two all-hydraulic automatic balance devices 3, the two ends of 6 difference connecting steel wire ropes 2, two steel wire rope tension transmitting portions 7, 8 are arranged on respectively two cages 4, on 5, the steel wire rope tension receiving unit is arranged in winding houses 14, base station 9 connects leaky cable 11, leaky cable 11 connects termination box 16, the head of leaky cable 11 is positioned at down-hole, base station 9 by antenna 22 to the wireless signal after steel wire rope tension receiving unit 15 forward process, the data processing section of described device is comprised of power supply 17, man-machine interface 18, location switch 19, signal switch 20, master cock 21, Programmable Logic Controller 23, complete the processing of friction type winder steel wire rope tension data, complete put in place position, condition monitoring and the outage to friction type winder and control.According to described friction type winder steel cable tension tester, it is characterized in that: described all-hydraulic automatic balance device 3 comprises four hydraulic pressure transducers 3.1, 3.2, 3.3, 3.4, four balancing cylinders 3.6, 3.11, 3.18, 3.19, four piston rods 3.7, 3.10, 3.16, 3.17, four balancing cylinders 3.6, 3.11, 3.18, 3.19 be provided with four mounting holes 3.28, 3.29, 3.30, 3.31, four fuel feed holes 3.9, 3.13, 3.14, 3.15, four hydraulic pressure transducers 3.1, 3.2, 3.3, 3.4 be arranged on four mounting holes 3.28, 3.29, 3.30, 3.31 on, connected pipes 3.27 connects four fuel feed holes 3.9, 3.13, 3.14, 3.15, four steel ropes 2.1, 2.2, 2.3, 2.4 connect four piston rods 3.7, 3.10, 3.16, 3.17, the minimum limit distance of distance for allowing of 3.28,3.29,3.30,3.31 and four fuel feed holes 3.9,3.13,3.14,3.15 of four mounting holes.According to described friction type winder steel cable tension tester, it is characterized in that: four shutoff valves 3.22,3.23,3.24,3.25 are installed on the connected pipes 3.27 of described all-hydraulic automatic balance device 3, all connected pipes 3.27 are summarised on a total oil pipe, and total shutoff valve 3.26 is installed on the pipeline that connected pipes 3.27 gathers.According to described friction type winder steel cable tension tester, it is characterized in that: described all-hydraulic automatic balance device 3 can detect the Tension Difference of friction type winder steel rope 2.1,2.2,2.3,2.4 and tension force and; When in four pistons 3.8,3.12,3.20,3.21 are arranged one reaches in four mounting holes 3.28,3.29,3.30,3.31 position of any one, data in four hydraulic pressure transducers 3.1,3.2,3.3,3.4 there will be sudden change, and now steel rope 2 is in non-equilibrium state; When each piston 3.8,3.12,3.20,3.21 does not reach mounting hole 3.28,3.29,3.30,3.31 position, all balancing cylinders 3.6,3.11,3.18,3.19 of described all-hydraulic automatic balance device 3 are in automatic adjustment state, all hydraulic sensor 3.1,3.2,3.3,3.4 numerical value are cumulative, and it is poor to calculate the lifting load-carrying of friction type winder and promote load-carrying.According to described friction type winder steel cable tension tester, it is characterized in that: described steel wire rope tension transmitting portion 7 is comprised of multiple way switch 7.1, amplification filtering 7.2, analogue to digital conversion 7.3, micro controller system frequency modulation 7.4, power amplifier emission 7.5, emitting antenna circuit 7.6, completes the wireless transmission of each balancing cylinder 3.6,3.11,3.18,3.19 tension data of full automatic balance device.According to described friction type winder steel cable tension tester, it is characterized in that: described steel wire rope tension receiving unit 15 is comprised of multiple way switch 15.1, amplification filtering 15.2, digital to analogy conversion 15.3, micro controller system demodulation 15.4, reception amplification 15.5, receiving wire circuit 15.6, completes the wireless receiving function of each balancing cylinder 3.6,3.11,3.18,3.19 tension data of full automatic balance device.According to described friction type winder steel cable tension tester, it is characterized in that: described leaky cable 11 is arranged along the pit shaft total length, realizes that friction type winder steel rope 2.1,2.2,2.3,2.4 tension datas can the actv. transmission in any position.
Principle of work of the present utility model is as follows: Fig. 1 is friction type winder steel wire rope tension detection system schematic of the present invention, in Fig. 1, friction roll 1 periphery is taken and is covered steel rope 2, steel rope 2 two ends connect cage 4,5 by all-hydraulic automatic balance device 3,6, rely on the friction force drive cage 4,5 between steel rope 2 and friction roll 1 up and down reciprocatingly to move; Steel rope 2 is taken and is overlayed on friction roll 1, and the friction force between dependence and friction roll 1 drives cage 4,5 and up and down reciprocatingly moves; All-hydraulic automatic balance device 3,6 is connecting steel wire ropes 2 and cage 4,5 respectively; Cage 4,5 is the friction type winder lifting container, and two layer of space is used for loading the material that uses under various coal mine, equipment, vehicle, operating personnel etc., along pit guide, up and down reciprocatingly moves; Steel wire rope tension transmitting portion 7,8 sends respectively the steel wire rope tension data of cage 4,5; The center that base station 9 is the leakage current communication system, be used for receiving the wireless signal of steel wire rope tension transmitting portion 7,8, to the wireless signal after steel wire rope tension receiving unit 15 forward process; Balance rope 10 is connected to the bottom of cage 4,5, is used for the steel rope weight difference that balance causes because of lift stroke; The channel that leaky cable (11) is transmission of wireless signals; Lower well head 12 is equipped with platform, is used for accepting cage 4,5 load-carryings that run to shaft bottom; Upper well head 13 is equipped with platform, is used for accepting cage 4,5 load-carryings that run to ground; Winding houses 14 are the friction type winder operational space, are used for installing steel wire rope tension transmission and processing equipment and steel wire rope tension receiving unit 15 simultaneously.
Patent of the present invention take auxiliary shaft four rope friction hoisting machine lifting containers as two-deck(er) cage be the example explanation, friction type winder belongs to a formula mechanical equipment, take on friction roll 1 and cover many steel ropes 2.1,2.2,2.3,2.4, steel rope 2.1,2.2,2.3,2.4 two ends connect respectively cage 4,5 by all-hydraulic automatic balance device 3,6, and the friction force between dependence and friction roll 1 drives cage 4,5 operation repeatedly up and down.When cage 4 moves to upper well head 13, be ground, ground is provided with catching device, by pack into the cage 4 or load-carryings in cage 4 are exported to ground of ground load-carrying, when cage 4 arrives upper well head 13, cage 5 is in lower well head 12, is shaft bottom, shaft bottom is provided with catching device, by pack into the cage 4 or load-carryings in cage 4 are exported to shaft bottom of shaft bottom load-carrying.Cage 4,5 has two layer of space, be that cage 4,5 all has levels, when the upper sheaf space of cage 4 arrives upper well head 13, the lower layer space of cage 5 just in time arrives lower well head 12, when the lower layer space of cage 4 arrives upper well head 13, the upper sheaf space of cage 5 just in time arrives lower well head 12.For meeting safety requirements, the lifting load-carrying difference of the lifting load-carrying of friction type winder friction roll 1 every side and both sides all can not transfinite, be the load-carrying of cage 4,5 and load-carrying is poor all can not transfinite, otherwise steel rope 2.1,2.2,2.3,2.4 will occur tired too fast, disconnect, the accident such as slip on friction roll 1.When cage 4,5 moves in steel guide, load-carrying in the loosening and cage 4,5 of steel guide radius off-set joint, steel guide is unbalanced when partially heavy, all there will be the lifting load-carrying of the friction roll 1 one sides phenomenon that transfinites, to such an extent as to the poor phenomenon that transfinites of the load-carrying of friction roll 1 both sides occurs.With cage 4 steel ropes 2.1, 2.2, 2.3, 2.4 it is the example explanation that tension force detects, hydraulic pressure transducer 3.1 on all-hydraulic automatic balance device 3, 3.2, 3.3, 3.4 the balancing cylinder 3.6 detected, 3.11, 3.18, 3.19 pressure, represented respectively steel rope 2.1, 2.2, 2.3, 2.4 tension force, steel rope 2.1, 2.2, 2.3, 2.4 tension force aviation value and each root steel wire rope tension subtract each other, just represented steel rope 2.1, 2.2, 2.3, 2.4 Tension Difference, steel rope 2.1, 2.2, 2.3, 2.4 tension force cumulative, just represented the lifting load-carrying of cage 4 place friction roll 1 these sides, the lifting load-carrying of friction roll 1 both sides is subtracted each other, the lifting load-carrying that has just represented friction type winder is poor.Hydraulic pressure transducer 3.1,3.2,3.3,3.4 on all-hydraulic automatic balance device 3 detects steel rope 2.1,2.2,2.3,2.4 tension force, be modulated to wireless signal by steel wire rope tension transmitting portion 7, take leaky cable 11 as channel, wire transmission is to base station 9, base station 9 is modulated wireless signal again, radio to the steel wire rope tension receiving unit 15 be installed in winding houses 14, to Programmable Logic Controller 23, complete the computing of steel wire rope tension data through the demodulation outputting analog signal.Utilize leaky cable 11, realized steel rope 2.1,2.2,2.3, the 2.4 tension force detections of cage 4 along metal pit shaft total travel.
Fig. 2 is all-hydraulic automatic balance device steel wire rope tension detection system schematic of the present invention, the tension force of all-hydraulic automatic balance device 3 of take in Fig. 2 detect to be the example explanation, and it is identical with the tension force detection principle of all-hydraulic automatic balance device 3 that the tension force of all-hydraulic automatic balance device 6 detects.Hydraulic pressure transducer 3.1,3.2,3.3,3.4 is used for detecting the fluid pressure in balancing cylinder 3.6,3.11,3.18,3.19, with the tension force of this steel rope 2.1,2.2,2.3,2.4 that converts respectively; Connecting device 3.5 is the equicrural triangle steel plate, and base is connected with balancing cylinder 3.6,3.11,3.18,3.19, and the diagonal sum cage 4 on base connects; Piston rod 3.7,3.10,3.16,3.17 is connecting steel wire ropes 2.1,2.2,2.3,2.4 and balancing cylinder 3.6,3.11,3.18,3.19 respectively; Piston 3.8,3.12,3.20,3.21, respectively by the liquid in balancing cylinder 3.6,3.11,3.18,3.19, bears the tension force of steel rope 2.1,2.2,2.3,2.4; Fuel feed hole 3.9,3.13,3.14,3.15, by connected pipes 27, keeps the fluid communication between balancing cylinder 3.6,3.11,3.18,3.19; Shutoff valve 3.22,3.23,3.24,3.25 can be closed respectively balancing cylinder 3.6,3.11,3.18,3.19 oil circuits, in the hypertension of all-hydraulic automatic balance device 3 in dynamic adjustment steel rope 2.1,2.2,2.3,2.4, in open mode, in particular cases can close; Fluid communication between balancing cylinder 3.6,3.11,3.18,3.19, adjust the Tensity size of steel rope 2.1,2.2,2.3,2.4 by adjusting piston 3.8,3.12,3.20,3.21 strokes.
The steel rope 2.1 that Fig. 2 is connected with all-hydraulic automatic balance device 3, 2.2, 2.3, 2.4 tension force to detect be the example explanation, balancing cylinder 3.6, 3.11, 3.18, 3.19 by fuel feed hole 3.9, 3.13, 3.14, 3.15, connected pipes 27 forms identical hydraulic circuit, when all pistons 3.8, 3.12, 3.20, 3.21 the fuel feed hole 3.9 with place, 3.13, 3.14, 3.15 between while being full of liquid, steel rope 2.1, 2.2, 2.3, 2.4 tension force be consistent substantially, difference is only balancing cylinder 3.6, 3.11, 3.18, 3.19 between the liquid communication resistance.Friction type winder is in operational process, the piston 3.8,3.12,3.20,3.21 of wherein one or two balancing cylinder 3.6,3.11,3.18,3.19 position that can reach capacity, the balancing cylinder steel wire rope tension that now connects the position that reaches capacity has just surpassed Tension Difference, causes the discontinuity equalization between steel rope 2.1,2.2,2.3,2.4.For detecting in time the balancing cylinder of the position that reaches capacity, detect in time the poor phenomenon that transfinites of steel wire rope tension, the tension force of steel rope 2.1 of take detect to be the poor detection deterministic process of example explanation steel wire rope tension, for the piston 3.8 of avoiding balancing cylinder 3.6 position that reaches capacity, set safety distance between piston 3.8 and fuel feed hole 3.9, the mounting hole 3.28 of design hydraulic pressure transducer 3.1 on the safety distance boundary line of setting, once the distance between piston 3.8 and fuel feed hole 3.9 has reached the safety value of setting, the mounting hole 3.28 of hydraulic pressure transducer 3.1 no longer with balancing cylinder 3.6 in fluid communication, the rapid back to zero of the interior remaining fluid pressure of the mounting hole 3.28 of hydraulic pressure transducer 3.1, the rapid back to zero of the pressure of hydraulic pressure transducer 3.1 is defined as piston 3.8 position that reaches capacity, and think steel rope 2.1 tension overrunnings, so more effectively balance rope 2.1, 2.2, 2.3, 2.4 between tension force.Once the rapid back to zero of the pressure of hydraulic pressure transducer 3.1, just think piston 3.8 position that reaches capacity, judge steel rope 2.1 tension overrunnings, the steel wire rope tension transmission is reported to the police with disposal system, must stop immediately all balancing cylinders are redistributed to oil pressure, guarantee that the piston of each balancing cylinder is not in end position, ensure that friction type winder steel wire rope tension difference can not transfinite.
Fig. 3 is steel wire rope tension transmission of the present invention and disposal system electrical schematic diagram, steel wire rope tension transmitting portion 7 completes the Data Modulation of hydraulic pressure transducer 3.1,3.2,3.3,3.4 and processes and wireless transmission, and multi-way switch circuit 7.1 is realized the data timesharing transmission of hydraulic pressure transducer 3.1,3.2,3.3,3.4; The small signal of 7.2 pairs of hydraulic pressure transducers of filtering and amplifying circuit 3.1,3.2,3.3,3.4 is amplified, the ripple of filtering simultaneously; 7.3 pairs of filtering and amplifying circuit 7.2 output signals of analog to digital conversion circuit carry out digitized processing; The digitized signal of 7.4 pairs of analog to digital conversion circuits 7.3 of micro controller system FM circuit is modulated into the oscillator signal of certain frequency; Power amplifier transmission circuit 7.5 amplifies the oscillator signal of micro controller system FM circuit 7.4 outputs, and carries out wireless output by emitting antenna circuit 7.6, forms alternating electromagnetic field; Leaky cable 11 lays completely along the friction type winder pit shaft, and the transmission of wireless signals channel for steel wire rope tension transmitting portion 7, be transferred to base station 9; The matched impedance that termination box 16 is leaky cable 11; Base station 9 is processed the signal that leaky cable 11 transmits, and again carries out modulation treatment, by antenna 22, sends to steel wire rope tension receiving unit 15 simultaneously; The data demodulates of 15 pairs of hydraulic pressure transducers of steel wire rope tension receiving unit 3.1,3.2,3.3,3.4 is processed and simulation output; The wireless signal that 15.5 pairs of reception aerial circuits 15.6 of reception amplifying circuit receive amplifies processing; Micro controller system demodulator circuit 15.4 demodulates the digitized signal of hydraulic pressure transducer 3.1,3.2,3.3,3.4; The digitized signal that D/A converting circuit 15.3 demodulates micro controller system demodulator circuit 15.4 carries out simulated; The analog quantity of filtering and amplifying circuit 15.2 logarithmic mode change-over circuits 15.3 is amplified, the filtering ripple; Hydraulic pressure transducer 3.1,3.2,3.3,3.4 data transmission after multiple way switch 15.1 will finally reduce are to the FX2N-4AD module of Programmable Logic Controller 23; Alternating current 220V power supply 17 inputs to the Programmable Logic Controller 23 of steel wire rope tension transmission and processing equipment, as power supply; Man-machine interface 18 is the F940GOT touch-screen, by programming, with Programmable Logic Controller 23 communications, shows, stores the various status datas of friction type winder steel wire rope tension; On cage 4, well head 13 location switches 19 are installed on well head 13 places, for cage 4 rises to the signal that puts in place on upper well head 13 ground, when cage 4 interlayers and upper well head 13 ground level, move, cage 4 rises to well head 13 and puts in place, and namely cage 5 is transferred to the signal that puts in place in lower well head 12 shaft bottoms; The operating state signal that signal switch 20 is cage 4,5; Master cock 21 for friction type winder overload is heavy, the overload method of double differences and the steel wire rope tension control signal that transfinites, disconnect the friction type winder power circuit during action, prevent that the friction type winder overload is heavy, the overload method of double differences and steel wire rope tension overrun; Programmable Logic Controller 23 models are FX2N-32MT, comprise two FX2N-4AD four-way analog input modules, complete Check processing and the relevant control function of friction type winder steel wire rope tension data; On cage 5, well head 13 location switches 24 are installed on well head 13 places, for cage 5 rises to the signal that puts in place on upper well head 13 ground, when cage 5 interlayers and upper well head 13 ground level, move, cage 5 rises to well head 13 and puts in place, and namely cage 4 is transferred to the signal that puts in place in lower well head 12 shaft bottoms.
Steel rope 2.1,2.2,2.3,2.4 tension force that the cage 4 of take in Fig. 3 is connected detect as the example explanation, and the tension force detection principle that steel rope 2.1,2.2,2.3,2.4 tension force that cage 5 connects detect the steel rope 2.1,2.2,2.3,2.4 connected with cage 4 is identical.Hydraulic pressure transducer 3.1, 3.2, 3.3, 3.4 the detection data through multi-way switch circuit 7.1, filtering and amplifying circuit 7.2, analog to digital conversion circuit 7.3, micro controller system FM circuit 7.4, power amplifier transmission circuit 7.5, emitting antenna circuit 7.6 carries out wireless transmission, through leaky cable 11 channels, be transferred to base station 9, base station 9 carries out the signal modulation again, by antenna 22, receiving wire circuit 15.6, receive amplifying circuit 15.5, micro controller system demodulator circuit 15.4, D/A converting circuit 15.3, filtering and amplifying circuit 15.2, multiple way switch 15.1 is by hydraulic pressure transducer 3.1, 3.2, 3.3, 3.4 data reduction, be transferred to the FX2N-4AD module of Programmable Logic Controller 23, carry out the analytical calculation processing.
Fig. 4 is friction type winder steel wire rope tension detection decision flow chart of the present invention, after steel wire rope tension transmission and disposal system power transmission, at first Programmable Logic Controller 23 carries out initialization, whether then detect cage 4 or 5 puts in place, if cage 4 or 5 does not put in place, whether the steel wire rope tension transmission is calculated respectively cage 4,5 load-carryings with disposal system, detect friction roll 1 both sides load-carrying and undergo mutation.If cage 4 or 5 puts in place, now cage 4,5 carries out loading or unloading at upper well head 13 or lower well head 12 respectively, steel wire rope tension transmission is calculated respectively cage 4,5 load-carryings with disposal system, then calculates the poor and friction roll 1 both sides load-carrying of cage 4,5 load-carryings and whether surpasses maximum allowable load.If friction roll 1 both sides load-carrying surpasses maximum allowable load, the steel wire rope tension transmission is reported to the police with disposal system, and disconnects the hoister control loop.If friction roll 1 both sides load-carrying is no more than maximum allowable load, the steel wire rope tension transmission continues to calculate cage 4 with disposal system, 5 load-carryings are poor, at cage 4, the poor not superlift of 5 load-carryings machine allows under the poor condition of load-carrying, gig sends run signal, cage 4, 5 in running state, gig sends and changes layer signal, cage 4, two other interlayer of 5 can also continue loading or unloading, now steel wire rope tension transmission and disposal system double counting cage 4, the poor step of 5 load-carryings and load-carrying, at the poor not superlift of load-carrying machine, allow under the poor condition of load-carrying, gig sends run signal, cage 4, 5 in running state, at the poor superlift machine of load-carrying, allow under the poor condition of load-carrying, gig still allows to send and changes layer signal, cage 4, 5 adjust and carry, until cage 4, 5 load-carryings are poor to be allowed under the poor condition of load-carrying at gig, but do not allow to send run signal.Cage 4,5 changes layer reload or unload after, the steel wire rope tension transmission is calculated cage 4,5 load-carryings again with disposal system, if friction roll 1 both sides load-carrying surpasses maximum allowable load, the steel wire rope tension transmission is reported to the police with disposal system, and disconnects the hoister control loop.After once cage 4,5 moves up and down, whether the steel wire rope tension transmission is periodically calculated friction roll 1 both sides load-carrying with disposal system and is undergone mutation, when each cage 4,5 accidental data surpasses self load-carrying data ± 10%, think in cage 4,5 operational processs and be subject to the factors such as clamping stagnation, collision, friction drag increase, moment the accidental data line item of going forward side by side of reporting to the police, remind the relevant personnel to carry out coherence check, accidental data continues reported to the police and disconnect the hoister control loop.
The utility model patent is in the end position processing hydraulic installation of sensors hole of the balancing cylinder of all-hydraulic automatic balance device, utilize the sudden change of hydraulic pressure transducer data, effectively judgement friction type winder balancing cylinder piston, in end position, has defined the friction type winder steel rope thus in non-equilibrium state; Lay leaky cable in the steel guide pit shaft, realized effective transmission of wireless signal under the specific environment, met the detection of dynamic tension in the friction type winder operational process, realized the detection of friction type winder lifting container running state in steel guide, reflected in real time that online the steel guide joint has or not outstanding, lifting container to have or not the phenomenons such as clamping stagnation; Utilize balancing cylinder tension data cumulative of the all-hydraulic automatic balance device of friction type winder, realized friction type winder load-carrying and the poor detection of load-carrying, avoided friction type winder overload and the overload method of double differences to promote.Detecting device in the utility model is effectively reliable, simple possible, and accuracy of detection is high, and controller performance is reliable, has great application.The utility model both can be applicable on the mine auxiliary well friction type winder, also can be applicable to mine main shaft friction type winder and other and relied on steel rope to do on the mechanical equipment of frictional transmission.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and protection domain are limited; under the prerequisite that does not break away from the utility model design concept; various modification and improvement that in this area, common engineering staff make the technical solution of the utility model, all should fall into protection domain of the present utility model.
Claims (7)
1. a friction type winder steel cable tension tester, comprise friction roll (1), steel rope (2), two cages (4, 5), it is upper that steel rope (2) rides over friction roll (1), and the two ends of steel rope (2) connect two cages (4, 5), balance rope (10) two ends are connected to two cages (4, 5) lower end is characterized in that: two all-hydraulic automatic balance devices (3, 6) be arranged on respectively two cages (4, 5) upper, two all-hydraulic automatic balance devices (3, 6) two ends of difference connecting steel wire ropes (2), two steel wire rope tension transmitting portions (7, 8) be arranged on respectively two cages (4, 5) on, the steel wire rope tension receiving unit is arranged in winding houses (14), base station (9) connects leaky cable (11), leaky cable (11) connects termination box (16), the head of leaky cable (11) is positioned at down-hole, base station (9) by antenna (22) to the wireless signal after steel wire rope tension receiving unit (15) forward process, the data processing section of described device is comprised of power supply (17), man-machine interface (18), location switch (19), signal switch (20), master cock (21), Programmable Logic Controller (23), complete the processing of friction type winder steel wire rope tension data, complete put in place position, condition monitoring and the outage to friction type winder and control.
2. friction type winder steel cable tension tester according to claim 1, it is characterized in that: described all-hydraulic automatic balance device (3) comprises four hydraulic pressure transducers (3.1, 3.2, 3.3, 3.4), four balancing cylinders (3.6, 3.11, 3.18, 3.19), four piston rods (3.7, 3.10, 3.16, 3.17), four balancing cylinders (3.6, 3.11, 3.18, 3.19) be provided with four mounting holes (3.28, 3.29, 3.30, 3.31), four fuel feed holes (3.9, 3.13, 3.14, 3.15), four hydraulic pressure transducers (3.1, 3.2, 3.3, 3.4) be arranged on four mounting holes (3.28, 3.29, 3.30, 3.31) on, connected pipes (3.27) connects four fuel feed holes (3.9, 3.13, 3.14, 3.15), four steel ropes (2.1, 2.2, 2.3, 2.4) connect four piston rods (3.7, 3.10, 3.16, 3.17), four mounting holes (3.28,3.29,3.30,3.31) are the minimum limit distance allowed with the distance of four fuel feed holes (3.9,3.13,3.14,3.15).
3. friction type winder steel cable tension tester according to claim 1 and 2, it is characterized in that: upper four shutoff valves (3.22,3.23,3.24,3.25) of installing of the connected pipes (3.27) of described all-hydraulic automatic balance device (3), all connected pipes (3.27) are summarised on a total oil pipe, and total shutoff valve (3.26) is installed on the pipeline that connected pipes (3.27) gathers.
4. friction type winder steel cable tension tester according to claim 3 is characterized in that: described all-hydraulic automatic balance device (3) can detect the Tension Difference of friction type winder steel rope (2.1,2.2,2.3,2.4) and tension force and; When in four pistons (3.8,3.12,3.20,3.21) are arranged one reaches in four mounting holes (3.28,3.29,3.30,3.31) position of any one, data in four hydraulic pressure transducers (3.1,3.2,3.3,3.4) there will be sudden change, and now steel rope (2) is in non-equilibrium state; When each piston (3.8,3.12,3.20,3.21) does not reach mounting hole (3.28,3.29,3.30,3.31) position, all balancing cylinders of described all-hydraulic automatic balance device (3) (3.6,3.11,3.18,3.19) are in automatic adjustment state, all hydraulic sensor (3.1,3.2,3.3,3.4) numerical value is cumulative, and it is poor to calculate the lifting load-carrying of friction type winder and promote load-carrying.
5. friction type winder steel cable tension tester according to claim 1, it is characterized in that: described steel wire rope tension transmitting portion (7) is comprised of multiple way switch (7.1), amplification filtering (7.2), analogue to digital conversion (7.3), micro controller system frequency modulation (7.4), power amplifier emission (7.5), emitting antenna circuit (7.6), completes the wireless transmission of each balancing cylinder (3.6,3.11,3.18,3.19) tension data of full automatic balance device.
6. friction type winder steel cable tension tester according to claim 1, it is characterized in that: described steel wire rope tension receiving unit (15) is comprised of multiple way switch (15.1), amplification filtering (15.2), digital to analogy conversion (15.3), micro controller system demodulation (15.4), reception amplification (15.5), receiving wire circuit (15.6), completes the wireless receiving function of each balancing cylinder (3.6,3.11,3.18,3.19) tension data of full automatic balance device.
7. friction type winder steel cable tension tester according to claim 1, it is characterized in that: described leaky cable (11) is arranged along the pit shaft total length, realizes that friction type winder steel rope (2.1,2.2,2.3,2.4) tension data can the actv. transmission in any position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665377 CN202953644U (en) | 2012-12-06 | 2012-12-06 | Wire rope tension detection device of friction-type lifting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665377 CN202953644U (en) | 2012-12-06 | 2012-12-06 | Wire rope tension detection device of friction-type lifting machine |
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| CN202953644U true CN202953644U (en) | 2013-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942088A (en) * | 2012-12-06 | 2013-02-27 | 枣庄矿业（集团）有限责任公司蒋庄煤矿 | Detection device for steel wire rope tension of friction type hoister |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942088A (en) * | 2012-12-06 | 2013-02-27 | 枣庄矿业（集团）有限责任公司蒋庄煤矿 | Detection device for steel wire rope tension of friction type hoister |
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Granted publication date: 20130529 Termination date: 20131206 |