CN103787245A - Detection system and detection method for safety lock of hanging basket - Google Patents

Detection system and detection method for safety lock of hanging basket Download PDF

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CN103787245A
CN103787245A CN201410020996.2A CN201410020996A CN103787245A CN 103787245 A CN103787245 A CN 103787245A CN 201410020996 A CN201410020996 A CN 201410020996A CN 103787245 A CN103787245 A CN 103787245A
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platform
pin
safety lock
control module
signal
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CN103787245B (en
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李婉婉
李宏
胡文龙
范晓慧
陈东旭
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Ningbo University
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Ningbo University
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Abstract

The invention discloses a detection system and detection method for a safety lock of a hanging basket. A platform is in shaft connection with a vertical beam and can move between a first cross beam and a second cross beam with the shaft connection point as a central circle point when stressed, a suspension mechanism suspends the platform and can enable the platform to rotate or drop down, a stay cable type displacement sensor is installed on the first cross beam, and a stay cable of the stay cable type displacement sensor is fixedly connected with a first steel wire rope. When the platform is located at the horizontal position, a connection line of the stay cable of the stay cable type displacement sensor and the first steel wire rope is perpendicular to the platform, a safety steel wire rope penetrates through the safety lock to be detected, the stay cable type displacement sensor transmits data to a central processing unit, the central processing unit processes the received data, and the decline vertical distance and inclination angle when the platform rotates from the horizontal state to the state when the safety steel wire rope is tightly locked by the safety lock are obtained. The detection system and detection method for the safety lock of the hanging basket have the advantages that the performance of the safety lock can be detected automatically, the automatic operation method is adopted, the operation method is simple, and detection efficiency and detection accuracy are high.

Description

A kind of cradle safety lock checking system and method for inspection
Technical field
The present invention relates to a kind of cradle safety lock detection technique, especially relate to a kind of cradle safety lock checking system and method for inspection.
Background technology
Along with developing rapidly of Building Trade in China, high-lift operation hanging cradle is widely used in all kinds of building engineerings.Stipulate according to state compulsory standard GB19155-2003 " aerial work basket ", safety lock refers in the time that suspension platform slip velocity reaches lock rope speed or suspension platform angle of inclination and reaches lock rope angle, energy automatic locking safety steel cable, the device that suspension platform is stopped gliding or tilt.Safety lock is as the necessary device that ensures hanging basket safety, and it is particularly important that the quality of its performance seems.The system of the special detection design for safety lock is less, existing cradle safety lock checking system and method for inspection thereof are generally used for safety lock factory inspection, function ratio is more single, normally undertaken judging by naked eyes after mechanized operation by testing staff, there is following problem: one, complicated operation, detection efficiency is lower; Two, manually judge that subjectivity is strong, accuracy of detection is lower.
Summary of the invention
Technical matters to be solved by this invention is to provide that a kind of method of operation is simple, and detection efficiency is high, and high cradle safety lock checking system and the method for inspection of accuracy of detection.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of cradle safety lock checking system, comprise first crossbeam setting up and down and second cross beam, the vertical beam of the first crossbeam described in connecting and described second cross beam, be coupling on described vertical beam and when stressed can its shaft contact centered by the platform that rotates between described first crossbeam and described second cross beam of point, the platform that suspention is described and the suspension gear that can make described platform rotate or fall, central process unit, be arranged on the fixing mechanism of safety lock on described platform and be arranged on the stay-supported type displacement sensor on described first crossbeam, described central process unit is connected with described stay-supported type displacement sensor and described suspension gear respectively, on described platform, be fixedly installed upwardly extending the first steel rope, the bracing wire of described stay-supported type displacement sensor is fixedly connected with the first described steel rope, in the time that described platform is positioned at level attitude, the connection lead of the bracing wire of described stay-supported type displacement sensor and described the first steel rope is perpendicular to described platform, on described first crossbeam, be fixedly installed sagging safety steel cable, in the time that safety lock to be measured is arranged in the fixing mechanism of described safety lock, described safety steel cable is through safety lock to be measured, described stay-supported type displacement sensor transmission data are given described central process unit, described central process unit to the data that receive processes obtain described platform from horizontality rotation to described safety steel cable the vertical distance of decline and the angle of inclination during by safety lock locking to be measured.
Described suspension gear comprises the fixed pulley being fixed on described first crossbeam, be fixed on the electromagnetism uncoupling rigging on described platform, be fixed on motor and suspending steel wire rope on described second cross beam, described suspending steel wire rope be fixedly connected with motor shaft and on described motor shaft, be wound around multi-turn after through in the electromagnetism uncoupling rigging that hangs described after described fixed pulley, described motor is connected with described central process unit respectively with described electromagnetism uncoupling rigging, in the time of described electromagnetism uncoupling rigging no power, described suspending steel wire rope is caught on by described electromagnetism uncoupling rigging, in the time that described electromagnetism uncoupling rigging is switched on, described suspending steel wire rope departs from described electromagnetism uncoupling rigging, described central process unit drives described motor shaft forward or reversion.
Described central process unit comprises single chip control module, key control module, sense circuitry modules, power module, LED digital display module and for controlling the relay control module of described suspension gear, described single chip control module respectively with described key control module, described sense circuitry modules, described LED digital display module is connected with described relay control module, described power module is used for the operating voltage of the central process unit that provides described, described stay-supported type displacement sensor is connected with described sense circuitry modules, described key control module is used for platform upward signal, platform downgoing signal and electromagnetism uncoupling rigging unhook signal are transferred to described single chip control module, described single chip control module generates corresponding platform uplink control signal, platform downgoing control signal and electromagnetism uncoupling rigging unhook control signal are transferred to described relay control module, described relay control module is according to the signal control suspension gear work receiving, make described platform up, descending or fall.
Described key control module comprise for output stage upward signal first by key control unit, for output stage downgoing signal second by key control unit and for export electromagnetism uncoupling rigging unhook signal the 3rd by key control unit, described first comprises the first button by key control unit, the first switch, the first resistance and the first electric capacity, the 1st pin of the first described switch, one end of the first described button, the equal ground connection in one end of the first described electric capacity, the 2nd pin of the first described switch, the other end of the first described button, one end of the first described resistance is connected output stage upward signal with the other end of the first described electric capacity, the other end of the first described resistance access 3.3V voltage, and described second comprises the second button by key control unit, second switch, the second resistance and the second electric capacity, the 1st pin of described second switch, one end of the second described button, the equal ground connection in one end of the second described electric capacity, the 2nd pin of described second switch, the other end of the second described button, one end of the second described resistance is connected output stage downgoing signal with the other end of the second described electric capacity, the other end of the second described resistance access 3.3V voltage, and the described the 3rd comprises the 3rd button by key control unit, the 3rd switch, the 3rd resistance and the 3rd electric capacity, the 1st pin of the 3rd described switch, one end of the 3rd described button, the equal ground connection in one end of the 3rd described electric capacity, the 2nd pin of the 3rd described switch, the other end of the 3rd described button, one end of the 3rd described resistance is connected output electromagnetism uncoupling rigging unhook signal with the other end of the 3rd described electric capacity, the other end access 3.3V voltage of the 3rd described resistance.
Described sense circuitry modules comprises the 4th resistance, the first rheostat, the 4th electric capacity and protection aerotron, one end of the 4th described resistance, one end of the 4th described electric capacity, the 3rd pin of described protection aerotron is connected the voltage signal of the described sense circuitry modules of output with described stay-supported type displacement sensor, the other end of the 4th described resistance is connected with first described rheostatic one end, the first described rheostatic other end, the equal ground connection of the 1st pin of the other end of the 4th described electric capacity and described protection aerotron, the 2nd pin access 3.3V voltage of described protection aerotron.
Described single chip control module comprises that model is the singlechip chip of C8051F020, there is the jtag interface of 8 ports, reset circuit unit, 24M crystal oscillating circuit unit and P2.0 external interface, the 1st pin of described singlechip chip, the 2nd pin, 4 pin of the 3rd pin and the 4th pin and described jtag interface connect one to one, the reset signal that the 5th described reset circuit unit of pin access of described singlechip chip is exported, the voltage signal of the sense circuitry modules described in the 18th pin access of described singlechip chip, after being connected with the 16th pin, passes through on the 12nd pin of described singlechip chip two shunt capacitance ground connection in parallel, the 11st pin of described singlechip chip, the 14th pin, the 28th pin, the 37th pin, the 64th pin and the 90th pin all access 3.3V voltage and pass through respectively a capacity earth, the two ends of the 26th pin of described singlechip chip and the 27th pin and described 24M crystal oscillating circuit unit connect one to one, the described platform upward signal of access after a resistance of the 29th pin serial connection of described singlechip chip, the described platform downgoing signal of access after a resistance of the 30th pin serial connection of described singlechip chip, the described electromagnetism uncoupling rigging unhook signal of access after a resistance of the 31st pin serial connection of described singlechip chip, the 39th pin to the 46 pin of described singlechip chip connect one to one by being connected in series after a resistance with 8 pin of described jtag interface respectively, the 55th pin of the described singlechip chip ground connection after two resistance and a light-emitting diode of connecting successively, the described electromagnetism uncoupling rigging unhook control signal of output after a resistance of the 56th pin series connection of described singlechip chip, the described platform downgoing control signal of output after a resistance of the 57th pin series connection of described singlechip chip, the described platform uplink control signal of output after a resistance of the 58th pin series connection of described singlechip chip, the 10th pin of described singlechip chip, the 13rd pin, the 38th pin, the 63rd pin and the equal ground connection of the 89th pin.
Described relay control module comprises that model is the chip of ULN2003, the first photoelectric coupled circuit unit, the second photoelectric coupled circuit unit, the 3rd photoelectric coupled circuit unit, the first relay control unit, the second relay control unit and the 3rd relay control unit, optic coupler and peripheral circuit thereof that the first described photoelectric coupled circuit unit is PC817 by model form, the circuit structure of the second described photoelectric coupled circuit unit and the 3rd described photoelectric coupled circuit unit is identical with the circuit structure of the first described photoelectric coupled circuit unit, the described platform uplink control signal of input end access of the first described photoelectric coupled circuit unit, the mouth of the first described photoelectric coupled circuit unit is connected with the 1st pin of ULN2003 chip, the described platform downgoing control signal of input end access of the second described photoelectric coupled circuit unit, the mouth of the second described photoelectric coupled circuit unit is connected with the 4th pin of ULN2003 chip, the described electromagnetism uncoupling rigging unhook control signal of input end access of the 3rd described photoelectric coupled circuit unit, the mouth of the 3rd described photoelectric coupled circuit unit is connected with the 7th pin of ULN2003 chip, relay and peripheral circuit that the first described relay control unit is HRS4H-S-DC24V by model form, the circuit structure of the second described relay control unit and the 3rd described relay control unit is identical with the circuit structure of the first described relay control unit, the input end of the first described relay control unit is connected with the 16th pin of described ULN2003 chip, the mouth of the first described relay control unit is controlled the up driving signal of described platform to described suspension gear by a contactless switch output, described electromagnetism uncoupling rigging no power, described suspension gear drives described motor, suspending steel wire rope between motor shaft described in described motor shaft rotation makes and described electromagnetism uncoupling rigging shortens, described platform point centered by its shaft contact rotates counterclockwise certain angle, the input end of the second described relay control unit is connected with the 13rd pin of described ULN2003 chip, the mouth of the second described relay control unit is controlled the descending driving signal of described platform to described suspension gear by a contactless switch output, described electromagnetism uncoupling rigging no power, described suspension gear drives described motor, suspending steel wire rope between motor shaft described in described motor shaft rotation makes and described electromagnetism uncoupling rigging is elongated, described platform point centered by its shaft contact clockwise rotates certain angle, the input end of the 3rd described relay control unit is connected with the 10th pin of described ULN2003 chip, the driving signal that the mouth of the 3rd described relay control unit falls by a described platform of contactless switch output control is to described suspension gear, described electromagnetism uncoupling rigging energising, described suspending steel wire rope separates with described electromagnetism uncoupling rigging, described platform falls.
Described central process unit also comprises 485 communication modules, described single chip control module is connected with described upper computer by 485 described communication modules, in described upper computer, store the acceptable performance parameter of safety lock, described single chip control module is transferred to described upper computer by the performance perameter of safety lock to be measured by 485 described communication modules, described upper computer contrasts the performance perameter of safety lock to be measured and acceptable performance parameter, judges that whether safety lock to be measured is qualified and preserves corresponding data.
A method of inspection for cradle safety lock checking system, comprises the following steps:
1. the performance perameter of stay-supported type displacement sensor is stored in the single chip control module of central process unit: the length range of bracing wire pull-out is 0～L mm, and the output current scope of stay-supported type displacement sensor is I 1～I 2mA, in the time that bracing wire pull-out length is 0, the outgoing current of stay-supported type displacement sensor is I 1mA, in the time that bracing wire pull-out length is Lmm, the outgoing current of stay-supported type displacement sensor is I 2mA;
2. by the bracing wire of displacement pickup, the magnitude of voltage of the sense circuitry modules in the situation that not having to stretch is designated as U 0, single chip control module gathers voltage U 0, and according to formula (1)
Figure BDA0000458060920000051
calculate the now sampling resistor value R of sense circuitry modules;
3. the electromagnetism uncoupling rigging no power of suspension gear pins suspending steel wire rope, the up button and/or the descending button that push button in control module, platform is adjusted to horizontality, shaft contact by platform on vertical beam is designated as A, stretching out by bracing wire on stay-supported type displacement sensor is a little designated as B, during by platform horizontality, the attachment point of the first steel rope on platform is designated as C, line between A point and B point and the angle between the platform of horizontality are designated as to α, length between A point and B point is designated as AB, and the length between B point and C point is designated as BC;
4. the magnitude of voltage of sense circuitry modules when single chip control module acquisition platform horizontality, is designated as U l0, obtain under a proportional relationship formula (2)
Figure BDA0000458060920000052
wherein L 0the pull-out length of bracing wire while representing platform horizontality;
5. in conjunction with formula (1) and formula (2), calculate
Figure BDA0000458060920000053
6. the descending button pushing button in control module, the electromagnetism uncoupling rigging no power of suspension gear, electric machine rotation, platform point centered by shaft contact A clockwise rotates behind θ angle, safety steel cable is pinned by safety lock, the attachment point of the first steel rope on platform is now designated as to D, and A point is designated as AD to the distance between D point;
7. when single chip control module gathers safety steel cable by safety lock locking-in state, the magnitude of voltage of sense circuitry modules, is designated as U l1, obtain under a proportional relationship formula (3) wherein L 1the pull-out length of bracing wire while representing safety steel cable by safety lock locking-in state;
8. in conjunction with formula (1) and formula (3), calculate
Figure BDA0000458060920000055
9. in the triangle ABD being linked to be at A point, B point and D point, AD=AC, BD=BC+ (L 1-L 0), have according to the cosine law
Figure BDA0000458060920000056
calculate θ = arccos [ AB 2 + AD 2 - ( BC + L 1 - L 0 ) 2 2 × AB × AD ] - α , Wherein α = arctan ( AC BC ) ;
10. again platform is adjusted to horizontality, the unhook button pushing button in control module, the electromagnetism uncoupling rigging energising of suspension gear, electromagnetism uncoupling rigging separates with the first steel rope, and after platform free falling one segment distance, safety steel cable is pinned by safety lock, now, the attachment point of the first steel rope on platform got back to the D point place of step in 6., the vertical line of making AC from D point, is designated as L by the length of this vertical line, adopts approximate processing to obtain L=BD-BC=L 1-L 0;
Figure BDA0000458060920000063
the θ obtaining and L and safety lock acceptable performance parameter are contrasted, obtain the result whether safety lock is qualified.
Described step 4. middle single chip control module gathers voltage U 0and by voltage U 0be stored as horizontal alignment voltage, after having measured each time, once before measurement, drive suspension gear that platform is carried out to Level-adjusting single chip control module upper, the voltage of single chip control module Real-time Collection sense circuitry modules, in the time that the voltage of the sense circuitry modules collecting equates with horizontal alignment voltage, Level-adjusting finishes.
Compared with prior art, checking system advantage of the present invention be by platform axle is connected on vertical beam and when stressed can its shaft contact centered by round dot between first crossbeam and second cross beam, rotate, suspension gear suspension platform and can make platform rotate or fall, stay-supported type displacement sensor is arranged on first crossbeam, the bracing wire of stay-supported type displacement sensor is fixedly connected with the first steel rope, in the time that platform is positioned at level attitude, the connection lead of the bracing wire of stay-supported type displacement sensor and the first steel rope is perpendicular to platform, in the time that safety lock to be measured is arranged in the fixing mechanism of safety lock, safety steel cable is through safety lock to be measured, stay-supported type displacement sensor transmission data are to central process unit, central process unit is processed and is obtained platform and rotate to the vertical distance of safety steel cable decline during by safety lock to be measured locking and the angle of inclination from horizontality the data that receive, the acceptable performance parameter of the angle of vertical distance and inclination and safety lock is contrasted, obtain the conclusion whether safety lock to be measured is qualified, realize thus the automation of safety lock performance is detected, adopt the method for operation of automation, method of operation is simple, detection efficiency and accuracy of detection are higher,
When suspension gear comprise the fixed pulley that is fixed on first crossbeam, be fixed on electromagnetism uncoupling rigging on platform, while being fixed on motor on second cross beam and suspending steel wire rope, whether whether control suspending steel wire rope by the energising of electromagnetism uncoupling rigging hangs platform, adjust the length of the suspending steel wire rope between motor and electromagnetism uncoupling rigging by the rotation direction of motor, realize thus the adjustment of the upper-lower position to platform, simple in structure, and employing Automatic Control, control accuracy is high;
Compared with prior art, method of inspection advantage of the present invention is up by central process unit control platform, descending and fall, single chip control module in central process unit gathers the real-time voltage of sense circuitry modules, calculate the pull-out length of the bracing wire of stay-supported type displacement sensor, calculate platform according to the cosine law again and rotate from horizontality the vertical distance declining when the angle that safety steel cable pinning process, platform turns over and platform are fallen to safety lock, whether the performance of judging thus safety lock is qualified, in this method of inspection, realize control to platform and the processing of data by the connection of stay-supported type displacement sensor and central process unit, full-automatic operation, method of operation is simple, detection efficiency and accuracy of detection are higher,
When step 4. in single chip control module gather voltage U 0and by voltage U 0be stored as horizontal alignment voltage, after having measured each time, once before measurement, drive suspension gear that platform is carried out to Level-adjusting single chip control module upper, the voltage of single chip control module Real-time Collection sense circuitry modules, in the time that the voltage of the sense circuitry modules collecting equates with horizontal alignment voltage, when Level-adjusting finishes, realize the automation adjustment of platform levelness in testing process, simplify method of inspection, improved the conformability of accuracy of detection and testing result.
Accompanying drawing explanation
Fig. 1 is the structural representation of checking system of the present invention;
Fig. 2 is the functional block diagram of the central process unit of checking system of the present invention;
Fig. 3 is the circuit diagram of the central process unit of checking system of the present invention;
Fig. 4 is the circuit diagram of the key control module of the central process unit of checking system of the present invention;
Fig. 5 is the circuit diagram of the sense circuitry modules of the central process unit of checking system of the present invention;
Fig. 6 is the circuit diagram of the single chip control module of the central process unit of checking system of the present invention;
Fig. 7 is the circuit diagram of the relay control module of the central process unit of checking system of the present invention;
Fig. 8 is the circuit diagram of the power module of the central process unit of checking system of the present invention;
Fig. 9 is the circuit diagram of the LED digital display module of the central process unit of checking system of the present invention;
Figure 10 is the circuit diagram of the communication module of the central process unit of checking system of the present invention;
Figure 11 is the circuit diagram of the buzzer phone module of the central process unit of checking system of the present invention;
Figure 12 is the schematic diagram of method of inspection of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
The invention discloses a kind of cradle safety lock checking system, comprise first crossbeam setting up and down and second cross beam, connect the vertical beam of first crossbeam and described second cross beam, be coupling on vertical beam and when stressed can its shaft contact centered by the platform that rotates between first crossbeam and described second cross beam of point, suspension platform and the suspension gear that can make platform rotate or fall, central process unit, be arranged on the fixing mechanism of safety lock on platform and be arranged on the stay-supported type displacement sensor on first crossbeam, central process unit is connected with stay-supported type displacement sensor and suspension gear respectively, on platform, be fixedly installed upwardly extending the first steel rope, the bracing wire of stay-supported type displacement sensor is fixedly connected with the first steel rope, in the time that platform is positioned at level attitude, the connection lead of the bracing wire of stay-supported type displacement sensor and the first steel rope is perpendicular to platform, on first crossbeam, be fixedly installed sagging safety steel cable, in the time that safety lock to be measured is arranged in the fixing mechanism of safety lock, safety steel cable is through safety lock to be measured, stay-supported type displacement sensor transmission data are to central process unit, central process unit is processed and is obtained platform and rotate to the vertical distance of safety steel cable decline during by safety lock to be measured locking and the angle of inclination from horizontality the data that receive.
Embodiment mono-: as shown in Figure 1, a kind of cradle safety lock checking system, comprise first crossbeam setting up and down 1 and second cross beam 2, connect the vertical beam 3 of first crossbeam 1 and second cross beam 1, be coupling and can centered by its shaft contact, put the platform 4 rotating between first crossbeam 1 and second cross beam 3 on vertical beam 3 and when stressed, suspension platform 4 and the suspension gear 5 that can make platform 4 rotate or fall, central process unit 6, be arranged on the fixing mechanism 7 of safety lock on platform 4 and be arranged on the stay-supported type displacement sensor 8 on first crossbeam, central process unit 6 is connected with stay-supported type displacement sensor 8 and suspension gear 5 respectively, on platform 4, be fixedly installed upwardly extending the first steel rope 9, the bracing wire 81 of stay-supported type displacement sensor 8 is fixedly connected with the first described steel rope 9, in the time that platform 4 is positioned at level attitude, the bracing wire 81 of stay-supported type displacement sensor 8 and the connection lead of the first steel rope 9 are perpendicular to platform 4, on first crossbeam 1, be fixedly installed sagging safety steel cable 10, in the time that safety lock 11 to be measured is arranged in the fixing mechanism 7 of safety lock, safety steel cable 10 is through safety lock 11 to be measured, stay-supported type displacement sensor 8 transmits data to central process unit 6, central process unit 6 is processed and is obtained platform 4 and rotate and to safety steel cable 10, safety lock 11 to be measured is locked to the vertical distance of time decline and the angle of inclination from horizontality the data that receive.
In the present embodiment, suspension gear 5 comprises the fixed pulley 51 being fixed on first crossbeam 1, be fixed on the electromagnetism uncoupling rigging 52 on platform 4, be fixed on motor 53 and suspending steel wire rope 54 on second cross beam 2, suspending steel wire rope 54 be fixedly connected with motor 53 axles and on motor shaft 55, be wound around multi-turn after through hanging in electromagnetism uncoupling rigging 52 after fixed pulley 51, motor 53 is connected with central process unit 6 respectively with electromagnetism uncoupling rigging 52, in the time of electromagnetism uncoupling rigging 52 no power, suspending steel wire rope 54 is caught on by electromagnetism uncoupling rigging 52, in the time that electromagnetism uncoupling rigging 52 is switched on, suspending steel wire rope 54 departs from electromagnetism uncoupling rigging 52, central process unit 6 drive motor axle 55 forwards or reversions, adjust thus the upper-lower position of platform 4.
As shown in Figure 2, in the present embodiment, central process unit 6 comprises single chip control module 61, key control module 62, sense circuitry modules 63, power module 64, LED digital display module 65 and for controlling the relay control module 66 of suspension gear 5, single chip control module 61 respectively with key control module 62, sense circuitry modules 63, LED digital display module 65 is connected with relay control module 66, power module 64 is for providing the operating voltage of central process unit 6, stay-supported type displacement sensor 8 is connected with sense circuitry modules 63, key control module 62 is for by platform upward signal, platform downgoing signal and electromagnetism uncoupling rigging unhook signal are transferred to single chip control module 61, single chip control module 61 generates corresponding platform uplink control signal, platform downgoing control signal and electromagnetism uncoupling rigging unhook control signal are transferred to relay control module 66, relay control module 66 is worked according to the signal control suspension gear 5 receiving, make platform 4 up, descending or fall, the circuit diagram of central process unit 6 as shown in Figure 3.
As shown in Figure 4, in the present embodiment, key control module 62 comprise for output stage upward signal first by key control unit 621, for output stage downgoing signal second by key control unit 622 and for export electromagnetism uncoupling rigging unhook signal the 3rd by key control unit 623, described first comprises the first button S1 by key control unit 621, the first switch P 2, the 1st pin of the first resistance R 1 and the first capacitor C 1, the first switch P 2, one end of the first button S1, the equal ground connection in one end of the first capacitor C 1, the 2nd pin of the first switch P 2, the other end of the first button S1, one end of the first resistance R 1 is connected output stage upward signal with the other end of the first capacitor C 1, the other end access 3.3V voltage of the first resistance R 1, and second comprises the second button S2 by key control unit 622, second switch P3, the second resistance R 2 and the second capacitor C 2, the 1st pin of second switch P3, one end of the second button S2, the second electric capacity from the equal ground connection in one end, the 2nd pin of second switch P3, the other end of the second button S2, one end of the second resistance R 2 is connected output stage downgoing signal with the other end of the second capacitor C 2, the other end access 3.3V voltage of the second resistance R 2, and the 3rd comprises the 3rd button S3 by key control unit 623, the 3rd switch P 4, the 1st pin of the 3rd resistance R 3 and the 3rd capacitor C 3, the three switch P 4, one end of the 3rd button S3, the equal ground connection in one end of the 3rd capacitor C 3, the 2nd pin of the 3rd switch P 4, the other end of the 3rd button S3, one end of the 3rd resistance R 3 is connected output electromagnetism uncoupling rigging unhook signal with the other end of the 3rd capacitor C 3, the other end access 3.3V voltage of the 3rd resistance R 3.
As shown in Figure 5, in the present embodiment, sense circuitry modules 63 comprises the 4th resistance R 27, the first rheostat R29, the 4th capacitor C 19 and protection aerotron D7, one end of the 4th resistance R 27, one end of the 4th capacitor C 19, the 3rd pin of protection aerotron D7 is the corresponding P7 in position in Fig. 5 with stay-supported type displacement sensor 8(stay-supported type displacement sensor 8) connection exports the voltage signal AIN00 of sense circuitry modules 63, the other end of the 4th resistance R 27 is connected with one end of the first rheostat R29, the other end of the first rheostat R29, the equal ground connection of the 1st pin of the other end of the 4th capacitor C 19 and protection aerotron D7, the 2nd pin access 3.3V voltage of protection aerotron D7.
As shown in Figure 6, in the present embodiment, described single chip control module 61 comprises that model is the singlechip chip U3 of C8051F020, there is the jtag interface P5 of 8 ports, reset circuit unit 611, 24M crystal oscillating circuit unit 612 and P2.0 external interface P8, the 1st pin of singlechip chip U3, the 2nd pin, 4 pin of the 3rd pin and the 4th pin and jtag interface P5 connect one to one, the reset signal that the 5th pin access reset circuit unit 611 of singlechip chip U3 is exported, the voltage signal AIN00 of the 18th pin access sense circuitry modules 63 of singlechip chip U3, after being connected with the 16th pin, passes through on the 12nd pin of singlechip chip U3 two shunt capacitance ground connection in parallel, the 11st pin of singlechip chip U3, the 14th pin, the 28th pin, the 37th pin, the 64th pin and the 90th pin all access 3.3V voltage and pass through respectively a capacity earth, the two ends of the 26th pin of singlechip chip U3 and the 27th pin and 24M crystal oscillating circuit unit 612 connect one to one, access platform upward signal after a resistance of the 29th pin serial connection of singlechip chip U3, access platform downgoing signal after a resistance of the 30th pin serial connection of singlechip chip U3, after a resistance of the 31st pin serial connection of singlechip chip U3, access electromagnetism uncoupling rigging unhook signal, the 39th pin to the 46 pin of singlechip chip U3 connect one to one with 8 pin of jtag interface P5 respectively after being connected in series a resistance, the 55th pin of the singlechip chip U3 ground connection after two resistance and a light-emitting diode of connecting successively, after a resistance of the 56th pin series connection of singlechip chip U3, export electromagnetism uncoupling rigging unhook control signal, output stage downgoing control signal after a resistance of the 57th pin series connection of singlechip chip U3, output stage uplink control signal after a resistance of the 58th pin series connection of singlechip chip U3, the 10th pin of singlechip chip U3, the 13rd pin, the 38th pin, the 63rd pin and the equal ground connection of the 89th pin.
As shown in Figure 7, in the present embodiment, relay control module 66 comprises that model is the chip U7 of ULN2003, the first photoelectric coupled circuit unit 661, the second photoelectric coupled circuit unit 662, the 3rd photoelectric coupled circuit unit 663, the first relay control unit 664, the second relay control unit 665 and the 3rd relay control unit 666, optic coupler U5 and peripheral circuit thereof that the first photoelectric coupled circuit unit 661 is PC817 by model form, the circuit structure of the second photoelectric coupled circuit unit 662 and the 3rd photoelectric coupled circuit unit 663 is identical with the circuit structure of the first photoelectric coupled circuit unit 661, the input end access platform uplink control signal of the first photoelectric coupled circuit unit 661, the mouth of the first photoelectric coupled circuit unit 661 is connected with the 1st pin of ULN2003 chip U7, the input end access platform downgoing control signal of the second photoelectric coupled circuit unit 662, the mouth of the second photoelectric coupled circuit unit 662 is connected with the 4th pin of ULN2003 chip U7, the input end access electromagnetism uncoupling rigging unhook control signal of the 3rd photoelectric coupled circuit unit 663, the mouth of the 3rd photoelectric coupled circuit unit 663 is connected with the 7th pin of ULN2003 chip U7, relay U6 and peripheral circuit that the first relay control unit 664 is HRS4H-S-DC24V by model form, the circuit structure of the second relay control unit 665 and the 3rd relay control unit 666 is identical with the circuit structure of the first relay control unit 664, the input end of the first relay control unit 664 is connected with the 16th pin of ULN2003 chip U7, the mouth of the first relay control unit 664 is controlled the up driving signal of platform 4 to suspension gear 5 by a contactless switch P9 output, now, electromagnetism uncoupling rigging 52 no powers, suspension gear 5 drive motor 53, motor shaft 55 rotates the suspending steel wire rope 54 between motor shaft 55 and electromagnetism uncoupling rigging 52 is shortened, platform 4 point centered by its shaft contact rotates counterclockwise certain angle, the input end of the second relay control unit 665 is connected with the 13rd pin of ULN2003 chip U7, the mouth of the second relay control unit 665 is controlled the descending driving signal of platform 4 to suspension gear 5 by a contactless switch P10 output, now, electromagnetism uncoupling rigging 52 no powers, suspension gear 5 drive motor 53, motor shaft 55 rotates and makes the suspending steel wire rope 54 between motor shaft 55 and electromagnetism uncoupling rigging 52 elongated, platform 4 point centered by its shaft contact clockwise rotates certain angle, the input end of the 3rd relay control unit 666 is connected with the 10th pin of ULN2003 chip U7, the driving signal that the mouth of the 3rd relay control unit 666 falls by a contactless switch P11 output control platform 4 is to suspension gear 5, now, electromagnetism uncoupling rigging 52 is switched on, suspending steel wire rope 54 separates with electromagnetism uncoupling rigging 52, platform 4 falls.
In the present embodiment, power module adopts the circuit diagram shown in Fig. 8, and LED digital display module adopts the circuit diagram shown in Fig. 9, and power module, LED digital display module and electromagnetism uncoupling rigging 52 all can adopt the mature technology of the art.
In the present embodiment; on second cross beam 2, be provided with boss 21; cushion rubber 22 is equipped with on boss 21 upper berths; cushion rubber 22 is rubber pad; in the time that platform 4 significantly falls because the fault of safety lock has; cushion rubber 22 can be protected platform 4 contact points, reduces the damage that instantaneous impact causes platform 4, improves safety performance.
Embodiment bis-: the present embodiment is on the basis of embodiment mono-.Central process unit 6 also comprises 485 communication modules, the circuit diagram of 485 communication modules as shown in figure 10, single chip control module 61 is connected with upper computer by 485 communication modules, in upper computer, store the acceptable performance parameter of safety lock, single chip control module is transferred to upper computer by the performance perameter of safety lock to be measured by 485 communication modules, upper computer contrasts the performance perameter of safety lock to be measured and acceptable performance parameter, judge that whether safety lock to be measured is qualified and preserve corresponding data, having increased thus memory capacity and the operability of checking system.
Embodiment tri-: the present embodiment is that central process unit also comprises buzz circuit module on the basis of embodiment mono-and embodiment bis-, as shown in figure 11, in the time that platform is adjusted to horizontality, buzz circuit module is sent prompt tone to the circuit diagram of buzz circuit module.
According to the regulation of GB GB19155-2003 " aerial work basket ", require swing arm type Anti-slanting safety lock, when when suspension platform work, fore-and-aft tilt angle is not more than 8 °, can automatic locking out of service.In free falling detects, suspension platform should be out of service in the stopping distance that is not more than 100mm, therefore (in 100mm, and lock rope angle can be thought safety lock requisite quality in 8 ° when the lock rope distance of measuring.In above-mentioned all embodiment, platform 4 rotates the lock rope distance the corresponding GB GB19155-2003 of the vertical distance declining while being locked by safety lock 10 to be measured to safety steel cable 11 from horizontality, platform rotates the lock rope angle the corresponding GB GB19155-2003 of angle that tilts during by safety lock to be measured locking to safety steel cable from horizontality, the angle of rotating the vertical distance that declines during by safety lock to be measured locking to safety steel cable and inclination from horizontality when platform is in GB GB19155-2003 specialized range time, and safety lock to be measured is qualified.
The method of inspection that the invention discloses above-mentioned cradle safety lock checking system, comprises the following steps:
1. the performance perameter of stay-supported type displacement sensor is stored in the single chip control module of central process unit: the length range of bracing wire pull-out is 0～L mm, and the output current scope of stay-supported type displacement sensor is I 1～I 2mA, in the time that bracing wire pull-out length is 0, the outgoing current of stay-supported type displacement sensor is I 1mA, in the time that bracing wire pull-out length is Lmm, the outgoing current of stay-supported type displacement sensor is I 2mA;
2. by the bracing wire of displacement pickup, the magnitude of voltage of the sense circuitry modules in the situation that not having to stretch is designated as U 0, single chip control module gathers voltage U 0, and according to formula (1)
Figure BDA0000458060920000121
calculate the now sampling resistor value R of sense circuitry modules;
3. the electromagnetism uncoupling rigging no power of suspension gear pins suspending steel wire rope, the up button and/or the descending button that push button in control module, platform is adjusted to horizontality, shaft contact by platform on vertical beam is designated as A, stretching out by bracing wire on stay-supported type displacement sensor is a little designated as B, during by platform horizontality, the attachment point of the first steel rope on platform is designated as C, line between A point and B point and the angle between the platform of horizontality are designated as to α, length between A point and B point is designated as AB, and the length between B point and C point is designated as BC;
4. the magnitude of voltage of sense circuitry modules when single chip control module acquisition platform horizontality, is designated as U l0, obtain under a proportional relationship formula (2)
Figure BDA0000458060920000122
wherein L 0the pull-out length of bracing wire while representing platform horizontality;
5. in conjunction with formula (1) and formula (2), calculate
Figure BDA0000458060920000123
6. the descending button pushing button in control module, the electromagnetism uncoupling rigging no power of suspension gear, electric machine rotation, platform point centered by shaft contact A clockwise rotates behind θ angle, safety steel cable is pinned by safety lock, the attachment point of the first steel rope on platform is now designated as to D, and A point is designated as AD to the distance between D point;
7. when single chip control module gathers safety steel cable by safety lock locking-in state, the magnitude of voltage of sense circuitry modules, is designated as U l1, obtain under a proportional relationship formula (3)
Figure BDA0000458060920000124
wherein L 1the pull-out length of bracing wire while representing safety steel cable by safety lock locking-in state;
8. in conjunction with formula (1) and formula (3), calculate
Figure BDA0000458060920000131
9. in the triangle ABD being linked to be at A point, B point and D point, AD=AC, BD=BC+ (L 1-L 0), have according to the cosine law
Figure BDA0000458060920000132
calculate θ = arccos [ AB 2 + AD 2 - ( BC + L 1 - L 0 ) 2 2 × AB × AD ] - α , Wherein α = arctan ( AC BC ) ;
10. again platform is adjusted to horizontality, the unhook button pushing button in control module, the electromagnetism uncoupling rigging energising of suspension gear, electromagnetism uncoupling rigging separates with the first steel rope, and after platform free falling one segment distance, safety steel cable is pinned by safety lock, now, the attachment point of the first steel rope on platform got back to the D point place of step in 6., the vertical line of making AC from D point, is designated as L by the length of this vertical line, adopts approximate processing to obtain L=BD-BC=L 1-L 0;
Figure BDA0000458060920000136
the θ obtaining and L and safety lock acceptable performance parameter are contrasted, obtain the result whether safety lock is qualified.
Embodiment: in the present embodiment, cradle safety lock checking system be in above-described embodiment one～tri-any one, wherein the model of stay-supported type displacement sensor is HPS-M1-075-420-F.
A method of inspection for cradle safety lock checking system, comprises the following steps:
1. the performance perameter of stay-supported type displacement sensor is stored in the single chip control module of central process unit: the length range of bracing wire pull-out is 0～L mm, L=750mm, the output current scope of stay-supported type displacement sensor is I 1～I 2mA, I 1=4mA, I 2=20mA, in the time that bracing wire pull-out length is 0, the outgoing current of stay-supported type displacement sensor is I 1mA, in the time that bracing wire pull-out length is Lmm, the outgoing current of stay-supported type displacement sensor is I 2mA;
2. by the bracing wire of displacement pickup, the magnitude of voltage of the sense circuitry modules in the situation that not having to stretch is designated as U 0, single chip control module gathers voltage U 0, and according to formula (1) calculate the now sampling resistor value R of sense circuitry modules;
3. the electromagnetism uncoupling rigging no power of suspension gear pins suspending steel wire rope, the up button and/or the descending button that push button in control module, platform is adjusted to horizontality, shaft contact by platform on vertical beam is designated as A, stretching out by bracing wire on stay-supported type displacement sensor is a little designated as B, during by platform horizontality, the attachment point of the first steel rope on platform is designated as C, line between A point and B point and the angle between the platform of horizontality are designated as to α, length between A point and B point is designated as AB, and the length between B point and C point is designated as BC;
4. the magnitude of voltage of sense circuitry modules when single chip control module acquisition platform horizontality, is designated as U l0, obtain under a proportional relationship formula (2)
Figure BDA0000458060920000141
wherein L 0the pull-out length of bracing wire while representing platform horizontality;
5. in conjunction with formula (1) and formula (2), calculate
Figure BDA0000458060920000142
6. the descending button pushing button in control module, the electromagnetism uncoupling rigging no power of suspension gear, electric machine rotation, platform point centered by shaft contact A clockwise rotates behind θ angle, safety steel cable is pinned by safety lock, the attachment point of the first steel rope on platform is now designated as to D, and A point is designated as AD to the distance between D point;
7. when single chip control module gathers safety steel cable by safety lock locking-in state, the magnitude of voltage of sense circuitry modules, is designated as U l1, obtain under a proportional relationship formula (3)
Figure BDA0000458060920000143
wherein L 1the pull-out length of bracing wire while representing safety steel cable by safety lock locking-in state;
8. in conjunction with formula (1) and formula (3), calculate
Figure BDA0000458060920000144
9. in the triangle ABD being linked to be at A point, B point and D point, AD=AC, BD=BC+ (L 1-L 0), have according to the cosine law
Figure BDA0000458060920000145
calculate θ = arccos [ AB 2 + AD 2 - ( BC + L 1 - L 0 ) 2 2 × AB × AD ] - α , Wherein α = arctan ( AC BC ) ; Due to the vertical BC of AC, AC and BC are known quantities, can obtain
Figure BDA0000458060920000148
10. again platform is adjusted to horizontality, the unhook button pushing button in control module, the electromagnetism uncoupling rigging energising of suspension gear, electromagnetism uncoupling rigging separates with the first steel rope, and after platform free falling one segment distance, safety steel cable is pinned by safety lock, now, the attachment point of the first steel rope on platform got back to the D point place of step in 6., the vertical line of making AC from D point, is designated as L by the length of this vertical line, adopts approximate processing to obtain L=BD-BC=L 1-L 0;
the θ obtaining and L and safety lock acceptable performance parameter are contrasted, obtain the result whether safety lock is qualified.
In the present embodiment, AB, AD and AC are given value, AC=AD=1800mm.BC is stay-supported type displacement sensor bracing wire and the first steel rope (regular length) sum, record BC=800mm, shaft contact A and bracing wire fixed end line AB when platform 4 level attitude, length is 1969.8mm, with horizontal suspension platform angle be α=23.96 °, platform 4 is positioned at AD place around shaft contact A rotational angle θ rear platform 4, and CD is the arc length that platform 4 movable end tips turn over.Cross D and make DE ⊥ AC friendship AC in E point, DE is the vertical distance L that suspension platform declines.
In the present embodiment in the time asking L, adopt approximate processing, its reason is: according to GB standard, while supposing that 4 certain moment of platform reach monolateral inclination, maximum lock rope distance is 100mm, i.e. BD-BC=100mm, because BC=800mm, try to achieve 3.19 ° of θ ≈, therefore DE=AD × sin θ ≈ 100.06mm, error is 0.06mm, therefore rationally approximate in error allowed band.Hence one can see that adopts vertical distance L that approximate processing obtains in error allowed band, therefore method of inspection of the present invention can adopt approximate processing to obtain L=BD-BC=L in the time of ultimate limit state 1-L 0.
In method of inspection of the present invention, single chip control module is in the first voltage U that gathers 0time, can be by voltage U 0be stored as horizontal alignment voltage, after having measured each time, once before measurement, drive suspension gear that platform is carried out to Level-adjusting single chip control module upper, the voltage of single chip control module Real-time Collection sense circuitry modules, in the time that the voltage of the sense circuitry modules collecting equates with horizontal alignment voltage, Level-adjusting finishes, and realizes thus the automation adjustment of the levelness of platform in testing process.

Claims (10)

1. a cradle safety lock checking system, it is characterized in that comprising first crossbeam setting up and down and second cross beam, the vertical beam of the first crossbeam described in connecting and described second cross beam, be coupling on described vertical beam and when stressed can its shaft contact centered by the platform that rotates between described first crossbeam and described second cross beam of point, the platform that suspention is described and the suspension gear that can make described platform rotate or fall, central process unit, be arranged on the fixing mechanism of safety lock on described platform and be arranged on the stay-supported type displacement sensor on described first crossbeam, described central process unit is connected with described stay-supported type displacement sensor and described suspension gear respectively, on described platform, be fixedly installed upwardly extending the first steel rope, the bracing wire of described stay-supported type displacement sensor is fixedly connected with the first described steel rope, in the time that described platform is positioned at level attitude, the connection lead of the bracing wire of described stay-supported type displacement sensor and described the first steel rope is perpendicular to described platform, on described first crossbeam, be fixedly installed sagging safety steel cable, in the time that safety lock to be measured is arranged in the fixing mechanism of described safety lock, described safety steel cable is through safety lock to be measured, described stay-supported type displacement sensor transmission data are given described central process unit, described central process unit to the data that receive processes obtain described platform from horizontality rotation to described safety steel cable the vertical distance of decline and the angle of inclination during by safety lock locking to be measured.
2. a kind of cradle safety lock checking system according to claim 1, it is characterized in that described suspension gear comprises the fixed pulley being fixed on described first crossbeam, be fixed on the electromagnetism uncoupling rigging on described platform, be fixed on motor and suspending steel wire rope on described second cross beam, described suspending steel wire rope be fixedly connected with motor shaft and on described motor shaft, be wound around multi-turn after through in the electromagnetism uncoupling rigging that hangs described after described fixed pulley, described motor is connected with described central process unit respectively with described electromagnetism uncoupling rigging, in the time of described electromagnetism uncoupling rigging no power, described suspending steel wire rope is caught on by described electromagnetism uncoupling rigging, in the time that described electromagnetism uncoupling rigging is switched on, described suspending steel wire rope departs from described electromagnetism uncoupling rigging, described central process unit drives described motor shaft forward or reversion.
3. a kind of cradle safety lock checking system according to claim 2, it is characterized in that described central process unit comprises single chip control module, key control module, sense circuitry modules, power module, LED digital display module and for controlling the relay control module of described suspension gear, described single chip control module respectively with described key control module, described sense circuitry modules, described LED digital display module is connected with described relay control module, described power module is used for the operating voltage of the central process unit that provides described, described stay-supported type displacement sensor is connected with described sense circuitry modules, described key control module is used for platform upward signal, platform downgoing signal and electromagnetism uncoupling rigging unhook signal are transferred to described single chip control module, described single chip control module generates corresponding platform uplink control signal, platform downgoing control signal and electromagnetism uncoupling rigging unhook control signal are transferred to described relay control module, described relay control module is according to the signal control suspension gear work receiving, make described platform up, descending or fall.
4. a kind of cradle safety lock checking system according to claim 3, it is characterized in that described key control module comprise for output stage upward signal first by key control unit, for output stage downgoing signal second by key control unit and for export electromagnetism uncoupling rigging unhook signal the 3rd by key control unit, described first comprises the first button by key control unit, the first switch, the first resistance and the first electric capacity, the 1st pin of the first described switch, one end of the first described button, the equal ground connection in one end of the first described electric capacity, the 2nd pin of the first described switch, the other end of the first described button, one end of the first described resistance is connected output stage upward signal with the other end of the first described electric capacity, the other end of the first described resistance access 3.3V voltage, and described second comprises the second button by key control unit, second switch, the second resistance and the second electric capacity, the 1st pin of described second switch, one end of the second described button, the equal ground connection in one end of the second described electric capacity, the 2nd pin of described second switch, the other end of the second described button, one end of the second described resistance is connected output stage downgoing signal with the other end of the second described electric capacity, the other end of the second described resistance access 3.3V voltage, and the described the 3rd comprises the 3rd button by key control unit, the 3rd switch, the 3rd resistance and the 3rd electric capacity, the 1st pin of the 3rd described switch, one end of the 3rd described button, the equal ground connection in one end of the 3rd described electric capacity, the 2nd pin of the 3rd described switch, the other end of the 3rd described button, one end of the 3rd described resistance is connected output electromagnetism uncoupling rigging unhook signal with the other end of the 3rd described electric capacity, the other end access 3.3V voltage of the 3rd described resistance.
5. a kind of cradle safety lock checking system according to claim 4, it is characterized in that described sense circuitry modules comprises the 4th resistance, the first rheostat, the 4th electric capacity and protection aerotron, one end of the 4th described resistance, one end of the 4th described electric capacity, the 3rd pin of described protection aerotron is connected the voltage signal of the described sense circuitry modules of output with described stay-supported type displacement sensor, the other end of the 4th described resistance is connected with first described rheostatic one end, the first described rheostatic other end, the equal ground connection of the 1st pin of the other end of the 4th described electric capacity and described protection aerotron, the 2nd pin access 3.3V voltage of described protection aerotron.
6. a kind of cradle safety lock checking system according to claim 5, it is characterized in that described single chip control module comprises that model is the singlechip chip of C8051F020, there is the jtag interface of 8 ports, reset circuit unit, 24M crystal oscillating circuit unit and P2.0 external interface, the 1st pin of described singlechip chip, the 2nd pin, 4 pin of the 3rd pin and the 4th pin and described jtag interface connect one to one, the reset signal that the 5th described reset circuit unit of pin access of described singlechip chip is exported, the voltage signal of the sense circuitry modules described in the 18th pin access of described singlechip chip, after being connected with the 16th pin, passes through on the 12nd pin of described singlechip chip two shunt capacitance ground connection in parallel, the 11st pin of described singlechip chip, the 14th pin, the 28th pin, the 37th pin, the 64th pin and the 90th pin all access 3.3V voltage and pass through respectively a capacity earth, the two ends of the 26th pin of described singlechip chip and the 27th pin and described 24M crystal oscillating circuit unit connect one to one, the described platform upward signal of access after a resistance of the 29th pin serial connection of described singlechip chip, the described platform downgoing signal of access after a resistance of the 30th pin serial connection of described singlechip chip, the described electromagnetism uncoupling rigging unhook signal of access after a resistance of the 31st pin serial connection of described singlechip chip, the 39th pin to the 46 pin of described singlechip chip connect one to one by being connected in series after a resistance with 8 pin of described jtag interface respectively, the 55th pin of the described singlechip chip ground connection after two resistance and a light-emitting diode of connecting successively, the described electromagnetism uncoupling rigging unhook control signal of output after a resistance of the 56th pin series connection of described singlechip chip, the described platform downgoing control signal of output after a resistance of the 57th pin series connection of described singlechip chip, the described platform uplink control signal of output after a resistance of the 58th pin series connection of described singlechip chip, the 10th pin of described singlechip chip, the 13rd pin, the 38th pin, the 63rd pin and the equal ground connection of the 89th pin.
7. a kind of cradle safety lock checking system according to claim 6, it is characterized in that described relay control module comprises that model is the chip of ULN2003, the first photoelectric coupled circuit unit, the second photoelectric coupled circuit unit, the 3rd photoelectric coupled circuit unit, the first relay control unit, the second relay control unit and the 3rd relay control unit, optic coupler and peripheral circuit thereof that the first described photoelectric coupled circuit unit is PC817 by model form, the circuit structure of the second described photoelectric coupled circuit unit and the 3rd described photoelectric coupled circuit unit is identical with the circuit structure of the first described photoelectric coupled circuit unit, the described platform uplink control signal of input end access of the first described photoelectric coupled circuit unit, the mouth of the first described photoelectric coupled circuit unit is connected with the 1st pin of ULN2003 chip, the described platform downgoing control signal of input end access of the second described photoelectric coupled circuit unit, the mouth of the second described photoelectric coupled circuit unit is connected with the 4th pin of ULN2003 chip, the described electromagnetism uncoupling rigging unhook control signal of input end access of the 3rd described photoelectric coupled circuit unit, the mouth of the 3rd described photoelectric coupled circuit unit is connected with the 7th pin of ULN2003 chip, relay and peripheral circuit that the first described relay control unit is HRS4H-S-DC24V by model form, the circuit structure of the second described relay control unit and the 3rd described relay control unit is identical with the circuit structure of the first described relay control unit, the input end of the first described relay control unit is connected with the 16th pin of described ULN2003 chip, the mouth of the first described relay control unit is controlled the up driving signal of described platform to described suspension gear by a contactless switch output, described electromagnetism uncoupling rigging no power, described suspension gear drives described motor, suspending steel wire rope between motor shaft described in described motor shaft rotation makes and described electromagnetism uncoupling rigging shortens, described platform point centered by its shaft contact rotates counterclockwise certain angle, the input end of the second described relay control unit is connected with the 13rd pin of described ULN2003 chip, the mouth of the second described relay control unit is controlled the descending driving signal of described platform to described suspension gear by a contactless switch output, described electromagnetism uncoupling rigging no power, described suspension gear drives described motor, suspending steel wire rope between motor shaft described in described motor shaft rotation makes and described electromagnetism uncoupling rigging is elongated, described platform point centered by its shaft contact clockwise rotates certain angle, the input end of the 3rd described relay control unit is connected with the 10th pin of described ULN2003 chip, the driving signal that the mouth of the 3rd described relay control unit falls by a described platform of contactless switch output control is to described suspension gear, described electromagnetism uncoupling rigging energising, described suspending steel wire rope separates with described electromagnetism uncoupling rigging, described platform falls.
8. according to a kind of cradle safety lock checking system described in claim 6 or 7, it is characterized in that described central process unit also comprises 485 communication modules, described single chip control module is connected with described upper computer by 485 described communication modules, in described upper computer, store the acceptable performance parameter of safety lock, described single chip control module is transferred to described upper computer by the performance perameter of safety lock to be measured by 485 described communication modules, described upper computer contrasts the performance perameter of safety lock to be measured and acceptable performance parameter, judge that whether safety lock to be measured is qualified and preserve corresponding data.
9. a method of inspection for the cradle safety lock checking system described in claim 6 or 7, is characterized in that comprising the following steps:
1. the performance perameter of stay-supported type displacement sensor is stored in the single chip control module of central process unit: the length range of bracing wire pull-out is 0～L mm, and the output current scope of stay-supported type displacement sensor is I 1～I 2mA, in the time that bracing wire pull-out length is 0, the outgoing current of stay-supported type displacement sensor is I 1mA, in the time that bracing wire pull-out length is Lmm, the outgoing current of stay-supported type displacement sensor is I 2mA;
2. by the bracing wire of displacement pickup, the magnitude of voltage of the sense circuitry modules in the situation that not having to stretch is designated as U 0, single chip control module gathers voltage U 0, and according to formula (1)
Figure FDA0000458060910000041
calculate the now sampling resistor value R of sense circuitry modules;
3. the electromagnetism uncoupling rigging no power of suspension gear pins suspending steel wire rope, the up button and/or the descending button that push button in control module, platform is adjusted to horizontality, shaft contact by platform on vertical beam is designated as A, stretching out by bracing wire on stay-supported type displacement sensor is a little designated as B, during by platform horizontality, the attachment point of the first steel rope on platform is designated as C, line between A point and B point and the angle between the platform of horizontality are designated as to α, length between A point and B point is designated as AB, and the length between B point and C point is designated as BC;
4. the magnitude of voltage of sense circuitry modules when single chip control module acquisition platform horizontality, is designated as U l0, obtain under a proportional relationship formula (2)
Figure FDA0000458060910000051
wherein L 0the pull-out length of bracing wire while representing platform horizontality;
5. in conjunction with formula (1) and formula (2), calculate
Figure FDA0000458060910000052
6. the descending button pushing button in control module, the electromagnetism uncoupling rigging no power of suspension gear, electric machine rotation, platform point centered by shaft contact A clockwise rotates behind θ angle, safety steel cable is pinned by safety lock, the attachment point of the first steel rope on platform is now designated as to D, and A point is designated as AD to the distance between D point;
7. when single chip control module gathers safety steel cable by safety lock locking-in state, the magnitude of voltage of sense circuitry modules, is designated as U l1, obtain under a proportional relationship formula (3)
Figure FDA0000458060910000053
wherein L 1the pull-out length of bracing wire while representing safety steel cable by safety lock locking-in state;
8. in conjunction with formula (1) and formula (3), calculate
Figure FDA0000458060910000054
9. in the triangle ABD being linked to be at A point, B point and D point, AD=AC, BD=BC+ (L 1-L 0), have according to the cosine law
Figure FDA0000458060910000055
calculate θ = arccos [ AB 2 + AD 2 - ( BC + L 1 - L 0 ) 2 2 × AB × AD ] - α , Wherein α = arctan ( AC BC ) ;
10. again platform is adjusted to horizontality, the unhook button pushing button in control module, the electromagnetism uncoupling rigging energising of suspension gear, electromagnetism uncoupling rigging separates with the first steel rope, and after platform free falling one segment distance, safety steel cable is pinned by safety lock, now, the attachment point of the first steel rope on platform got back to the D point place of step in 6., the vertical line of making AC from D point, is designated as L by the length of this vertical line, adopts approximate processing to obtain L=BD-BC=L 1-L 0;
the θ obtaining and L and safety lock acceptable performance parameter are contrasted, obtain the result whether safety lock is qualified.
10. according to the method for inspection of a kind of cradle safety lock checking system described in claim, it is characterized in that 4. middle single chip control module collection voltage U of described step 0and by voltage U 0be stored as horizontal alignment voltage, after having measured each time, once before measurement, drive suspension gear that platform is carried out to Level-adjusting single chip control module upper, the voltage of single chip control module Real-time Collection sense circuitry modules, in the time that the voltage of the sense circuitry modules collecting equates with horizontal alignment voltage, Level-adjusting finishes.
CN201410020996.2A 2014-01-17 2014-01-17 A kind of cradle safety lock checking system and method for inspection Expired - Fee Related CN103787245B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979471A (en) * 2014-06-05 2014-08-13 沙洲职业工学院 Swing arm type inclination-prevention safety lock detection device
CN108801792A (en) * 2018-08-29 2018-11-13 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） A kind of cable elasticity modulus measuring device and measuring method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87209889U (en) * 1987-07-10 1988-09-21 北京市建筑工程研究所 Detector for safety lock of motorized hanging basket
CN1971236A (en) * 2006-12-07 2007-05-30 辽宁省安全科学研究院 Test device for safety lock of high-rise working cradle
CN200979514Y (en) * 2006-12-07 2007-11-21 辽宁省安全科学研究院 A safety lock testing device of suspension cage in high-rise operation
CN101226111A (en) * 2008-01-31 2008-07-23 上海市建筑科学研究院(集团)有限公司 Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator
CN201923828U (en) * 2010-12-10 2011-08-10 重庆交通大学 High-altitude operation truck real-time leveling control system with locking function
CN102865855A (en) * 2012-09-27 2013-01-09 无锡华科机械设备有限公司 Intelligent test monitoring console for inclination angle of safety lock locking ropes
CN102866009A (en) * 2012-09-27 2013-01-09 无锡华科机械设备有限公司 Intelligent rope breaking tester for safety lock
CN202766250U (en) * 2012-07-21 2013-03-06 无锡久一重工机械有限公司 Centrifugal type safe lock testing device
CN203053686U (en) * 2013-01-07 2013-07-10 沈阳正学龙机械设备集团有限公司 Hanging basket safety lock detecting bench
CN203728534U (en) * 2014-01-17 2014-07-23 宁波大学 Detecting system for safe lock of hanging basket

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87209889U (en) * 1987-07-10 1988-09-21 北京市建筑工程研究所 Detector for safety lock of motorized hanging basket
CN1971236A (en) * 2006-12-07 2007-05-30 辽宁省安全科学研究院 Test device for safety lock of high-rise working cradle
CN200979514Y (en) * 2006-12-07 2007-11-21 辽宁省安全科学研究院 A safety lock testing device of suspension cage in high-rise operation
CN101226111A (en) * 2008-01-31 2008-07-23 上海市建筑科学研究院(集团)有限公司 Test experimental equipment of rope-breaking protective equipment for cradle safety lock and wire rope elevator
CN201923828U (en) * 2010-12-10 2011-08-10 重庆交通大学 High-altitude operation truck real-time leveling control system with locking function
CN202766250U (en) * 2012-07-21 2013-03-06 无锡久一重工机械有限公司 Centrifugal type safe lock testing device
CN102865855A (en) * 2012-09-27 2013-01-09 无锡华科机械设备有限公司 Intelligent test monitoring console for inclination angle of safety lock locking ropes
CN102866009A (en) * 2012-09-27 2013-01-09 无锡华科机械设备有限公司 Intelligent rope breaking tester for safety lock
CN203053686U (en) * 2013-01-07 2013-07-10 沈阳正学龙机械设备集团有限公司 Hanging basket safety lock detecting bench
CN203728534U (en) * 2014-01-17 2014-07-23 宁波大学 Detecting system for safe lock of hanging basket

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979471A (en) * 2014-06-05 2014-08-13 沙洲职业工学院 Swing arm type inclination-prevention safety lock detection device
CN108801792A (en) * 2018-08-29 2018-11-13 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） A kind of cable elasticity modulus measuring device and measuring method
CN108801792B (en) * 2018-08-29 2020-10-16 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） Cable elasticity modulus measuring device and measuring method

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