CN100484858C - Automatic detecting and testing system for tripper - Google Patents

Automatic detecting and testing system for tripper Download PDF

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Publication number
CN100484858C
CN100484858C CNB2006100278845A CN200610027884A CN100484858C CN 100484858 C CN100484858 C CN 100484858C CN B2006100278845 A CNB2006100278845 A CN B2006100278845A CN 200610027884 A CN200610027884 A CN 200610027884A CN 100484858 C CN100484858 C CN 100484858C
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CN
China
Prior art keywords
flywheel
safety
test cell
displacement
test
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2006100278845A
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Chinese (zh)
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CN1884030A (en
Inventor
陈爱华
穆铭豪
王德荣
赫仲伟
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Science and Technology Development Company of SRIBS
Original Assignee
SCI-TECH DEVELOPMENT CORP SHANGHAI CITY INST OF BUILDING SCIENCE
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Priority to CNB2006100278845A priority Critical patent/CN100484858C/en
Publication of CN1884030A publication Critical patent/CN1884030A/en
Application granted granted Critical
Publication of CN100484858C publication Critical patent/CN100484858C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a kind of automatic testing system for safety devices. The test bench is equipped with the stand, and the main spindle, motor, reduction device and flywheel on the stand. A torque/speed sensor and a displacement sensor are also available on the test bench. The torque/speed sensor is serial connected between the main spindle of the test bench and the safety device. The signals from the sensors are first sent to the measurement instruments or A/D card and then are transmitted to the computer. The displacement sensor is placed at the rear of the safety device and it is connected to the A/D card and the computer. The displacement sensor detects the displacement of the nut on the rear of the safety device. The test bench is driven by a motor. Through the high-speed spindle, the braking energy of the test bench is transmitted to the flywheel charging device which is connected to the high-speed spindle. While performing a test, the safety device is charged with the energy stored in the flywheel charging device. The torque gauge samples the torque/speed signals from the main spindle of the safety device. The displacement of the safety device during a braking is automatically measured by the displacement sensor. The measurements are conversed by the A/D card and the test result is obtained. Then the computer automatically generates a test record and test report. The charging of this test bench is realized through the adjustable multi-level flywheel charging device.

Description

Automatic detecting and testing system for tripper
Technical field
The safety of jacking equipment of the present invention relates to construct detects pilot system, the automatic detection pilot system of the sure brake on particularly a kind of rack-and-pinion elevator.
Background technology
Anti-falling safety device is a safety device of paramount importance in the building hoist, and it is directly connected to occupant's life security.Safety must be demarcated and factory inspection before using, and must carry out periodical survey in the use.Related standards JG121-2000 " building hoist gear cone cydariform gradual anti-falling safety device " has stipulated the method and the content of check.
The examination work of safety is generally carried out on the detection test cell of special use.At present, domestic only several safety test cell all exist following problem:
1. measurement range is narrow, can not satisfy the detection needs of big load, high-speed safety.
2. measurement means falls behind, and causes that the factor of measured error is many, and the uncertainty of testing result is big.
3. do not have analysis, data-handling capacity automatically, detection efficiency is low.
4. force-input device moment can not initiatively be adjusted, and can not adapt to the test requirements document of various safeties.
Along with the whole nation and local all departments to the pay attention to day by day of safety method, exposed problems is more and more outstanding in the safety detection technique, in order to satisfy the needs that domestic and international hoist falling-proof safety detects, guarantee the safety that building hoist uses, be necessary to develop a kind of science, anti-falling safety device detects test cell automatically efficiently.
Summary of the invention
Task of the present invention provides a kind of science, automatic detecting and testing system for tripper efficiently, and it has solved the problem that measurement range is narrow, measurement means is backward, detection efficiency is low that existing safety test cell exist.
Technical solution of the present invention is as follows:
A kind of automatic detecting and testing system for tripper, it comprises that anti-falling safety device detects test cell and safety mounting bracket, detects on the test cell frame is housed, and is placed in the main shaft on the frame, electrical motor, reductor and flywheel gear; On the described detection test cell torque rotary speed sensor is housed also, torque rotary speed sensor is serially connected between test cell main shaft and the safety, and sensor signal is connected with computer behind survey meter or A/D card;
On the described detection test cell displacement pickup is housed also, displacement pickup is installed in the safety afterbody, connects A/D card and computer, by the displacement signal of displacement pickup induction safety tail end nut;
Described flywheel gear is many grades of adjustable fly wheel loading units, many grades of adjustable fly wheel loading units are equipped with primary flywheel and movable flywheel, primary flywheel is fixedly mounted on the flywheel shaft, movable flywheel is installed in the side of primary flywheel, electrical motor passes through coupler, the high speed shaft of reductor is connected with movable flywheel with primary flywheel, and the rotational energy of electrical motor is stored in the moment of flywheel, is realized loading by moment of flywheel at the safety glancing impact;
Work by the direct motor drive test cell, the test cell braking energy reaches coupled fly wheel loading unit by the reductor high speed shaft, utilize the fly wheel loading unit energy stored that safety is loaded during test, torductor is sampled to the moment of torsion tach signal of safety main shaft, safety braking displacement is by the displacement pickup self-measuring, take off data obtains after the conversion of A/D card, provides detection record and examining report automatically by computer then.
According to the requirement of related standards JG121-2000 " building hoist gear cone cydariform gradual anti-falling safety device ", the parameter that the detection of safety need be controlled is mainly load, retro-speed and stopping distance.Automatic detecting and testing system for tripper of the present invention has satisfied the requirement of related standards, and has following advantage:
1. the loading of test cell realizes by flywheel, at many grades of moment of flywheel control setups of safety development of present different size, to adapt to the detection of various load, speed safety.
2. increase displacement pickup newly, be used for measuring the amount of compression of disk spring when the safety braking stops, having improved survey precision, got rid of the random error that manual measurement brings.
3. be the core of test macro with the industrial PC, use A/D card connection sensor and computer and electric machine controller, whole testing process from accelerate to data handing, reporting printing is finished automatically by system, guarantees the objectivity and the fairness of testing result.
4. use new-type digital control buncher or variable-frequency motor, replace the electromagnetic adjustable speed motor in the used equipment, guaranteed the conformability that the test of many times medium velocity loads.
5. the management that powerful database management function can be used for reporting, inquiry and statistics.
Description of drawings
Fig. 1 is the control and the management work block diagram of a kind of automatic detecting and testing system for tripper of the present invention.
Fig. 2 is the structural representation that Fig. 1 detects pilot system.
Fig. 3 is by birds-eye view shown in Figure 2.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the present invention is a kind of automatic detecting and testing system for tripper, it comprises that anti-falling safety device detects test cell and safety mounting bracket 1, detects on the test cell frame 2 is housed, and settles main shaft 3, change-speed motor 4, reductor 5 and flywheel gear on frame 2.
Detect on the test cell sensor also is housed, sensor has torque rotary speed sensor 6 and displacement pickup 8.Torque rotary speed sensor 6 is serially connected between test cell main shaft 3 and the safety, torque rotary speed sensor 6 can be a kind of phase-difference type torque tachogen, sensor signal is connected with computer behind survey meter or A/D card, use the output of computer control figure through D/A conversion and control change-speed motor rotating speed, perhaps use frequency-conversion and speed-regulation motor, the accelerating performance of same model safety when each test is consistent, eliminated the error that causes owing to accelerating performance is inconsistent thus.
Displacement pickup 8 is installed in the safety afterbody, displacement pickup 8 connects A/D card and computer, also should use electric machine controller under the situation of electromagnetic speed-adjusting, by the displacement signal of displacement pickup induction safety tail end nut, after the A/D conversion, discern automatically, realize self-measuring by computer.
Flywheel gear of the present invention is a kind of many grades of adjustable fly wheel loading units 7.These many grades adjustable fly wheel loading units 7 are equipped with primary flywheel 71 and movable flywheel 72, and primary flywheel 71 is fixedly mounted on the flywheel shaft 73, and movable flywheel 72 is installed in the side of primary flywheel 71.Movable flywheel 72 is installed on the flywheel shaft 73 by the bearing supporting, and movable flywheel 72 is locked by detent mechanism.Movable flywheel 72 can be installed several on flywheel shaft 73, this can decide according to the actual conditions of site operation.Press the adjustable fly wheel loading unit 7 of many grades shown in Fig. 2, it can realize the conversion of fourth gear flywheel moment.
During the work of this detection pilot system, change-speed motor 4 is by coupler, and the high speed shaft of reductor 5 is connected with movable flywheel 72 with primary flywheel 71, and the rotational energy of electrical motor is stored in the moment of flywheel, is realized loading by moment of flywheel at the safety glancing impact.
Change-speed motor in the detection pilot system of the present invention preferably adopts frequency-conversion and speed-regulation motor, also can be electromagnetic variable speed motor.
Shown in Fig. 1 work block diagram, industrial computer is handled the control change-speed motor, drive test cell work by change-speed motor, the test cell braking energy reaches coupled fly wheel loading unit by the reductor high speed shaft, utilize the fly wheel loading unit energy stored that safety is loaded during test, torductor is sampled to the moment of torsion tach signal of safety main shaft, data by the electrical equipment serial ports for example the RS232 serial ports finish communication with computer, safety braking displacement is by the displacement pickup self-measuring, take off data obtains after the conversion of A/D card, all take off data are all by the requirement of related standards JG121-2000 " building hoist gear cone cydariform gradual anti-falling safety device ", by the automatic analyzing and processing of computer, provide detection record and examining report, print through chopping machine again.
Detection pilot system of the present invention adopts independently developed software system, comprises modules such as operation interface module, data acquisition, processing module and data bank, realizes that automatic processing, the examining report of detection data printed and the active data management automatically.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the foregoing description.

Claims (4)

1. automatic detecting and testing system for tripper, it comprises that anti-falling safety device detects test cell and safety mounting bracket, detects on the test cell frame is housed, and is placed in the main shaft on the frame, electrical motor, reductor and flywheel gear; On the described detection test cell torque rotary speed sensor is housed also, torque rotary speed sensor is serially connected between test cell main shaft and the safety, and sensor signal is connected with computer behind survey meter or A/D card;
It is characterized in that on the described detection test cell displacement pickup is housed also, displacement pickup is installed in the safety afterbody, connect A/D card and computer, by the displacement signal of displacement pickup induction safety tail end nut;
Described flywheel gear is many grades of adjustable fly wheel loading units, many grades of adjustable fly wheel loading units are equipped with primary flywheel and movable flywheel, primary flywheel is fixedly mounted on the flywheel shaft, movable flywheel is installed in the side of primary flywheel, electrical motor passes through coupler, the high speed shaft of reductor is connected with movable flywheel with primary flywheel, and the rotational energy of electrical motor is stored in the moment of flywheel, is realized loading by moment of flywheel at the safety glancing impact;
Work by the direct motor drive test cell, the test cell braking energy reaches coupled fly wheel loading unit by the reductor high speed shaft, utilize the fly wheel loading unit energy stored that safety is loaded during test, torductor is sampled to the moment of torsion tach signal of safety main shaft, safety braking displacement is by the displacement pickup self-measuring, take off data obtains after the conversion of A/D card, provides detection record and examining report automatically by computer then.
2. automatic detecting and testing system for tripper according to claim 1 is characterized in that described electrical motor is a frequency-conversion and speed-regulation motor.
3. automatic detecting and testing system for tripper according to claim 1 is characterized in that described electrical motor is an electromagnetic variable speed motor.
4. automatic detecting and testing system for tripper according to claim 1 is characterized in that, described torque rotary speed sensor is the phase-difference type torque tachogen.
CNB2006100278845A 2006-06-20 2006-06-20 Automatic detecting and testing system for tripper Expired - Fee Related CN100484858C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100278845A CN100484858C (en) 2006-06-20 2006-06-20 Automatic detecting and testing system for tripper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100278845A CN100484858C (en) 2006-06-20 2006-06-20 Automatic detecting and testing system for tripper

Publications (2)

Publication Number Publication Date
CN1884030A CN1884030A (en) 2006-12-27
CN100484858C true CN100484858C (en) 2009-05-06

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101811637A (en) * 2010-04-15 2010-08-25 西华大学 Testing device for conical drum shaped gear falling protector of construction hoist
CN102417129B (en) * 2011-09-21 2013-08-07 上海市建筑科学研究院(集团)有限公司 Dynamic safety monitoring device of brake and monitoring method
CN102445333B (en) * 2011-09-29 2014-04-09 上海市建筑科学研究院(集团)有限公司 Field detection testing system for anti-falling safety device
CN102602760B (en) * 2012-03-07 2014-08-20 上海新时达电气股份有限公司 Multifunctional elevator testing and controlling device
CN103512695B (en) * 2013-09-25 2015-05-27 广州日滨科技发展有限公司 Testing table, testing system and testing method for brake load moment of brake
CN105334036A (en) * 2015-11-20 2016-02-17 天津市中环电子计算机有限公司 Equipment for detecting and calibrating anti-falling safety device and detection method
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
CN105403397A (en) * 2015-12-18 2016-03-16 海安县申菱电器制造有限公司 Electromagnetic brake detection apparatus capable of simulating multiple loads
CN107132042B (en) * 2017-06-30 2019-07-19 南京工程学院 Anti-falling safety device brake safe performance test macro and its test method based on Labview
CN107884169B (en) * 2017-11-07 2019-12-24 叶豪 Torque and rotating speed measuring device for anti-falling safety device

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Owner name: SCIENCE AND TECHNOLOGY DEVELOPMENT COMPANY OF SRIB

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Address after: 200032 Shanghai city Xuhui District Wanping Road No. 75

Patentee after: Science and Technology Development Company of SRIBS

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Patentee before: Sci-Tech Development Corp., Shanghai City Inst. of Building Science

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Granted publication date: 20090506

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