CN102445333B - Field detection testing system for anti-falling safety device - Google Patents
Field detection testing system for anti-falling safety device Download PDFInfo
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- CN102445333B CN102445333B CN201110295081.9A CN201110295081A CN102445333B CN 102445333 B CN102445333 B CN 102445333B CN 201110295081 A CN201110295081 A CN 201110295081A CN 102445333 B CN102445333 B CN 102445333B
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Abstract
The invention relates to a field detection testing system for an anti-falling safety device. The system is arranged on an elevator, and comprises a sensor, a lower computer system and an upper computer system, wherein signal output of a rotary encoder, an acceleration sensor and a non-contact displacement sensor is connected to the lower computer system; the lower computer system comprises a central processor of a signal acquiring module, an analog-to-digital conversion module, a communication interface and a wireless data transmission module; the upper computer system comprises a portable computer and a wireless data transmission module; the analog-to-digital conversion module and the communication interface are connected with the central processor respectively; the wireless data transmission module is connected with the communication interface; the rotary encoder is connected with a gear through a coupler; a gear is meshed with a rack of the elevator through a bracket; the acceleration sensor is connected with a speed sensor on the gear; and the non-contact displacement sensor is arranged on the anti-falling safety device. The field detection testing system has the advantages of strong function, rapid and convenient detection process, automatic measurement and automatic storage of detection data in a database and high testing authenticity.
Description
Technical field
The present invention relates to anti-falling safety device detecting instrument, particularly a kind of pilot system and equipment of Site Detection that gear-and-rack type construction lifter is carried out with anti-falling safety device.
Background technology
Anti-falling safety device is most important safety guard on gear-and-rack type construction lifter.According to JG121-2000 < < building hoist cone of gears cydariform gradual anti-falling safety device > > standard-required, anti-falling safety device must carry out factory inspection and in use carry out periodic inspection.The detection of this standard regulation anti-falling safety device has two kinds of methods: bench run method and test stand test method(s).The regular detection of current most of anti-falling safety device adopts bench run method, and these test methods exist following problem:
Braking procedure when 1, bench run method is fallen because operating condition of test and safety are actual is different, and this species diversity causes test findings can not reflect comprehensively, exactly the serviceability of anti-falling safety device.
2, test stand test method(s) is limited to the condition restriction of testing equipment, and depolarization is individually outside the testing equipment for scientific research, can't obtain by detection the important parameters such as the dynamic system power of safety and coefficient of impact detecting the checkout equipment that uses in market at present.
3, the common shortcoming that above two kinds of detection methods exist is, annual periodic inspection all must disassemble safety from lifter, then being transported to various places has the testing agency of qualification, this just need to be longer turnaround time, cause lifter to stop work, affect construction speed, and increase transportation cost, to client, increase time and financial burden.
In order to measure sooner, more accurately, more easily the main performance index of anti-falling safety device, guarantee that building hoist is used safety, therefore, develop a kind of science, anti-falling safety device onthe technology of site test becomes this field problem demanding prompt solution efficiently.
Summary of the invention
Task of the present invention is to provide the field detection testing system for anti-falling safety device that a kind of gear-and-rack type construction lifter is used, it can meet in the situation that not dismantling anti-falling safety device, by Site Detection, obtain the important technological parameters of safety, whether the periodic inspection of automatic decision safety is qualified, and automatically generates examining report.
Technical solution of the present invention is as follows:
A field detection testing system for anti-falling safety device, is arranged on lifter, comprises sensor, lower computer system and master system;
Described sensor comprises rotary encoder, acceleration transducer and non-contact displacement sensor, and rotary encoder device, acceleration transducer and the output of non-contact displacement sensor signal all access lower computer system;
Described lower computer system comprises central processing unit, analog-to-digital conversion module and communication interface and the wireless data transfer module of signal acquisition module;
Described master system comprises portable computer and wireless data transfer module;
Described rotary encoder, acceleration transducer and non-contact displacement sensor are connected respectively analog-to-digital conversion module;
Described analog-to-digital conversion module and communication interface connect respectively central processing unit, described wireless data transfer module connecting communication interface;
Wireless data transfer module in described lower computer system connects portable computer, the wireless data transfer module communication link in wireless data transfer module and lower computer system;
Described rotary encoder connects a gear by shaft coupling, and gear meshes by the tooth bar of a support and lifter;
Described acceleration transducer connects the speed pickup on gear, and described non-contact displacement sensor is arranged on anti-falling safety device.
Described lower computer system also comprises charge power supply, connects central processing unit.
Described lower computer system also comprises clock module, connects central processing unit.
Described lower computer system also comprises storer, connects central processing unit.
Described master system also comprises database, connects portable computer.
Described master system also comprises printer, connects portable computer.
Described non-contact displacement sensor is arranged on the sensor stand of anti-falling safety device.
Described acceleration transducer is adsorbed on lifter bottom by magnetic bases.
Described lower computer system is placed in construction elevator cage or cage top.
Described master system is placed in construction elevator cage 200m distance range.
The invention provides the field detection testing system of anti-falling safety device for a kind of gear-and-rack type construction lifter, it is comprised of rotary encoder, acceleration transducer, non-contact displacement sensor, sensor-specific mounting bracket, lower computer system and master system; Rotary encoder is connected with gear, by sensor stand, is fixed on cage top above and is meshed with the tooth bar being fixed on elevator guide bracket; Acceleration transducer utilizes magnetic bases to be adsorbed on elevator craning cage bottom; Non-contact displacement sensor is fixed on cage structure or anti-falling safety device housing by special-purpose adjustable support; Lower computer system is placed in construction elevator cage or cage top; Rotary encoder device, acceleration transducer and the output of non-contact displacement sensor signal all access lower computer system; Master system is placed in construction elevator cage 200m distance range.
The present invention, owing to having adopted above technical scheme, makes it compared with prior art, and gear-and-rack type construction lifter of the present invention has the following advantages with field detection testing system for anti-falling safety device:
1, function is strong, applicable to the detection of various model gear type anti-falling safety devices.
2, testing process fast, conveniently, is directly carried out on the building hoist at anti-falling safety device place, avoids the installation and removal of anti-falling safety device.
3, detector installation is succinct, quick, can adopt wireless system for transmitting data, avoids long apart from installation work.
4, detect data automatic measuring, data processing and report generation complete automatically, guarantee the objectivity of testing result.
5, detect data and automatically deposit database in, be convenient to detect the file inquiry of data.
6, test authenticity is strong, avoids the error of bench test.
Accompanying drawing explanation
Fig. 1 is that a kind of gear-and-rack type construction lifter of the present invention forms schematic diagram with the lower computer system of field detection testing system for anti-falling safety device.
Fig. 2 is that master system of the present invention forms schematic diagram.
Fig. 3 is the schematic diagram of speed pickup of the present invention installation site and mode.
Fig. 4 is the schematic diagram of displacement transducer of the present invention installation site and mode.
Reference numeral:
1 is rotary encoder, and 2 is acceleration transducer, and 3 is non-contact displacement sensor, and 4 is central processor CPU, 5 is charge power supply, and 6 is clock module, and 7 is analog-to-digital conversion module, and 8 is storer, 9 is communication interface, and 10 is wireless data transfer module, and 11 is portable computer, and 12 is wireless data transfer module, 13 is database, and 14 is that specialty detects software, and 15 is printer, 16 is gear, and 17 is speed pickup, and 18 is support, 19 is tooth bar, and 20 is sensor stand, and 21 is anti-falling safety device.
Embodiment
Below in conjunction with drawings and Examples, the present invention is elaborated.
Referring to Fig. 1 to Fig. 4, a kind of field detection testing system for anti-falling safety device of the present invention is arranged on lifter, and it comprises sensor, lower computer system and master system.Sensor comprises rotary encoder 1, acceleration transducer 2 and non-contact displacement sensor 3, and rotary encoder device 1, acceleration transducer 2 and non-contact displacement sensor 3 signal outputs all access lower computer system.Lower computer system comprises central processing unit 4, analog-to-digital conversion module 7 and communication interface 9 and the wireless data transfer module 10 of signal acquisition module.Master system comprises portable computer 11 and wireless data transfer module 12.
Rotary encoder 1, acceleration transducer 2 and non-contact displacement sensor 3 are connected respectively analog-to-digital conversion module 7.Analog-to-digital conversion module 7 and communication interface 9 connect respectively central processing unit 4, wireless data transfer module 10 connecting communication interfaces 9.
Wireless data transfer module 12 in lower computer system connects portable computer 11, wireless data transfer module 10 communication link in wireless data transfer module 12 and lower computer system.
Rotary encoder 1 connects a gear 16 by shaft coupling, and gear 16 is tooth bar 19 engagements with lifter by a support 18; The speed pickup 17 that acceleration transducer 2 connects on gear 16; Non-contact displacement sensor 3 is arranged on anti-falling safety device 21.
Lower computer system is also provided with charge power supply 5, and charge power supply 5 connects central processing unit 4.Lower computer system is also provided with clock module 6, and clock module 6 connects central processing unit 4.Lower computer system is also provided with storer 8, and storer 8 connects central processing unit 4.Lower computer system is placed in construction elevator cage or cage top.
Master system is also provided with database 13, and database 13 connects portable computer 11.Master system is also provided with printer 15, and printer 15 connects portable computer 11.Master system is placed in construction elevator cage 200m distance range.
Continuation is referring to Fig. 1 to Fig. 4, and field detection testing system for anti-falling safety device of the present invention is according to JG121-2000 standard-required, and anti-falling safety device major parameter has retro-speed, brake load and Brake displacement.Standard also separate provision the acceptability limit of above-mentioned three class parameters.The present invention adopts rotary encoder in order to inductive brake speed, adopt acceleration transducer and in conjunction with parameter inductive brake load such as loaded load and construction elevator cage deadweights, adopt non-contact displacement sensor to measure the decrement inductive brake load of anti-falling safety device dish spring.To after above-mentioned three class parameter samplings, by specialty, detect the aftertreatment of software, change, calculate, storage, qualified differentiation and report generation, thereby complete the Site Detection to anti-falling safety device.
The present invention is mainly comprised of sensor, lower computer system and master system, referring specifically to Fig. 1 to Fig. 4.Sensor is comprised of rotary encoder 1, acceleration transducer 2 and non-contact displacement sensor 3.Lower computer system is comprised of central processor CPU 4, charge power supply 5, clock 6, analog-to-digital conversion module 7, storer 8 and the communication interface 9 of signal acquisition module and wireless data transfer module 10 etc.Master system detects software 14 by portable computer 11, wireless data transfer module 12, database 13, specialty and printer 15 forms.
When the present invention specifically implements, sensor and lower computer system are positioned on the cage of gear-and-rack type construction lifter, master system is placed on from building hoist and is no more than the convenient operation place within the scope of 200m.Concrete installation connected mode is as follows: rotary encoder 1 connects gear 16 by shaft coupling, and be fixed on construction elevator cage top with special stand 18 use bolts or magnet, during installation, adjusting pole position is normally meshed gear 16 and elevator rack, can with construction elevator cage operation, rotate swimmingly; Place the front cover cap that first takes off anti-falling safety device afterbody of non-contact displacement sensor 3, then utilize the fixing threaded hole of cover cap to be fixed by special stand; Acceleration transducer 2 utilizes magnetic bases to be adsorbed on the bottom of cage; The A/D module interface of above-mentioned three sensor output lines and lower computer system is connected.Wireless data transfer module 12 and printer 15 are connected to portable computer 11 by RS232 or USB port respectively.Database 13 and specialty detect software 14 and are arranged in portable computer 11.
Sensor, lower computer system and master system are installed respectively after connection, opened charge power supply 5, the signal of sensor can be identified by central processor CPU 4 by A/D sampling module 7.The specialty of opening installation in portable computer 11 detects software 14, and in software, inputs the information such as model, construction elevator cage deadweight and loaded load of tested anti-falling safety device.Master system specialty detects software 14 and is sent sample frequency and start the instruction of sampling to lower computer system by wireless transport module 12, after lower computer system receives by wireless transport module 10, central processor CPU 4 just starts to interrupt carrying out sample code by sample frequency, and clock 6 signals to three groups of sensing datas and while sampling prestore to storer 8 according to pre-set data layout.
When anti-falling safety device completes after braking, specialty detection software by master system is sent and is finished sampling instruction by wireless transport module again, and lower computer system finishes sampling and by wireless transport module, the data that are pre-stored in storer is sent by the group to master system after receiving instruction.For guaranteeing integrality and the accuracy of wireless transmission process data, default verification rule in lower computer system transmission and master system reception data procedures, be to carry out verification after master system receives data, meet verification rule and just receive next group data, otherwise allow lower computer system resend current data.Master system will transform data, and calculate, judge after completing data receiver, and in conjunction with the parameters such as model, building hoist deadweight and loaded load of tested anti-falling safety device, analysis software generates examining report automatically.All data are stored in database 13 by dedicated test software 14, facilitate later call, inquiry and analysis.The report generating can be exported by printer 15.
In sum, gear-and-rack type construction lifter of the present invention has the following advantages with field detection testing system for anti-falling safety device: function is strong, applicable to the detection of various model gear type anti-falling safety devices; Testing process fast, conveniently, is directly carried out on the building hoist at anti-falling safety device place, avoids the installation and removal of anti-falling safety device; It is succinct, quick that detector is installed, and can adopt wireless system for transmitting data, avoids long apart from installation work; Detect data automatic measuring, data processing and report generation complete automatically, guarantee the objectivity of testing result; Detect data and automatically deposit database in, be convenient to detect the file inquiry of data; Test authenticity is strong, avoids the error of bench test.
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment is only for the present invention is described, and not as limitation of the invention, as long as within the scope of connotation of the present invention, the variation of above-described embodiment, modification etc. all will be dropped in the scope of the claims in the present invention.
Claims (4)
1. a field detection testing system for anti-falling safety device, is arranged on lifter, it is characterized in that: comprise sensor, lower computer system and master system;
Described sensor comprises rotary encoder (1), acceleration transducer (2) and non-contact displacement sensor (3), and rotary encoder device (1), acceleration transducer (2) and the output of non-contact displacement sensor (3) signal all access lower computer system;
Described lower computer system comprises central processing unit (4), analog-to-digital conversion module (7) and the communication interface (9) of signal acquisition module and as first wireless data transfer module (10) of sending module;
Described master system comprises portable computer (11) and as second wireless data transfer module (12) of receiver module;
Described rotary encoder (1), acceleration transducer (2) and non-contact displacement sensor (3) are connected respectively analog-to-digital conversion module (7);
Described analog-to-digital conversion module (7) and communication interface (9) connect respectively central processing unit (4), described the first wireless data transfer module (10) connecting communication interface (9);
The second wireless data transfer module (12) in described lower computer system connects portable computer (11), the first wireless data transfer module (10) communication link in the second wireless data transfer module (12) and lower computer system;
Described lower computer system also comprises charge power supply (5), connects central processing unit (4);
Described lower computer system also comprises clock module (6), connects central processing unit (4);
Described lower computer system also comprises storer (8), connects central processing unit (4);
Described rotary encoder (1) connects a gear (16) by shaft coupling, and gear (16) is tooth bar (19) engagement with lifter by a support (18);
Described acceleration transducer (2) is adsorbed on lifter bottom by magnetic bases, and described non-contact displacement sensor (3) is fixed on cage structure or anti-falling safety device housing by adjustable sensor support (20);
Described lower computer system is placed in construction elevator cage or cage top;
Sensor, lower computer system and master system are installed respectively after connection, opened charge power supply (5), the signal of sensor is identified by central processing unit (4) by A/D sampling module (7); The detection software of opening installation in portable computer (11), and in software, input the information such as model, the construction elevator cage deadweight of tested anti-falling safety device and loaded load; Master system detects software and is sent sample frequency and start the instruction of sampling to lower computer system by the second wireless data transfer module (12), after lower computer system receives by the first wireless data transfer module (10), central processing unit (4) just starts to interrupt carrying out sample code by sample frequency, and clock (6) signal to three groups of sensing datas and while sampling prestores to storer (8) according to pre-set data layout.
2. field detection testing system for anti-falling safety device as claimed in claim 1, is characterized in that: described master system also comprises database (13), connects portable computer (11).
3. field detection testing system for anti-falling safety device as claimed in claim 1, is characterized in that: described master system also comprises printer (15), connects portable computer (11).
4. field detection testing system for anti-falling safety device as claimed in claim 1, is characterized in that: described master system is placed in construction elevator cage 200m distance range.
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| CN201110295081.9A CN102445333B (en) | 2011-09-29 | 2011-09-29 | Field detection testing system for anti-falling safety device |
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| CN201110295081.9A CN102445333B (en) | 2011-09-29 | 2011-09-29 | Field detection testing system for anti-falling safety device |
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| CN102445333B true CN102445333B (en) | 2014-04-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102829971B (en) * | 2012-09-07 | 2015-08-26 | 广州市特种机电设备检测研究院 | The portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device |
| CN104627762A (en) * | 2014-12-05 | 2015-05-20 | 中国矿业大学 | Detection system and detection method of friction elevator rope groove wear loss |
| CN104977165A (en) * | 2015-07-14 | 2015-10-14 | 浙江省特种设备检验研究院 | Construction lift falling prevention safety device field detection device based on sensor technology |
| CN105423973B (en) * | 2015-12-17 | 2017-12-01 | 蚌埠高灵传感系统工程有限公司 | A kind of anti-falling safety device displacement transducer |
| CN107917731B (en) * | 2017-11-07 | 2020-05-29 | 林飘飘 | Measuring device for anti-falling safety device |
| CN108051201A (en) * | 2018-02-09 | 2018-05-18 | 安徽省特种设备检测院 | A kind of anti-falling safety device detector |
| CN116773178B (en) * | 2023-08-16 | 2024-01-05 | 中检集团公信安全科技有限公司 | Mine falling protector braking distance measuring device and measuring method thereof |
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| CN100484858C (en) * | 2006-06-20 | 2009-05-06 | 上海市建筑科学研究院科技发展总公司 | Automatic detecting and testing system for tripper |
| CN2921815Y (en) * | 2006-06-20 | 2007-07-11 | 上海市建筑科学研究院科技发展总公司 | Variable force moment safety device loading device |
| CN100557405C (en) * | 2007-12-27 | 2009-11-04 | 上海市建筑科学研究院(集团)有限公司 | Gear type construction hoist falling-proof safety device detects testing equipment |
| CN100580411C (en) * | 2008-01-31 | 2010-01-13 | 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 |
| JP2009250967A (en) * | 2008-04-03 | 2009-10-29 | Harvest:Kk | Inspection apparatus of gear omission of transmission |
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Address after: 200032 Shanghai city Xuhui District Wanping Road No. 75 Patentee after: Shanghai Research Institute of Building Sciences (Group) Co., Ltd. Patentee after: Science and Technology Development Company of SRIBS Address before: 200032 Shanghai city Xuhui District Wanping Road No. 75 Patentee before: Shanghai Research Institute of Building Sciences (Group) Co., Ltd. Patentee before: Sci-Tech Development Corp., Shanghai City Inst. of Building Science |