CN105277353A - A high-altitude lifting basket type machine safety lock testing experiment table and testing method - Google Patents
A high-altitude lifting basket type machine safety lock testing experiment table and testing method Download PDFInfo
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- CN105277353A CN105277353A CN201510807342.9A CN201510807342A CN105277353A CN 105277353 A CN105277353 A CN 105277353A CN 201510807342 A CN201510807342 A CN 201510807342A CN 105277353 A CN105277353 A CN 105277353A
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Abstract
The invention relates to a high-altitude lifting basket type machine safety lock testing experiment table and testing method. As safety protection devices of high-altitude lifting basket type machines, safety locks can lock safety ropes when lifting baskets are tilted and working ropes are broken to prevent the lifting baskets from falling. The experiment device provided herein satisfies the different characteristics of two kinds of current popular safety locks, can measure the performance parameters of the safety locks in different states through simulation of practical work, and achieves the objective of performance detection of the safety locks. The experiment table can be used for real-time display and printout of such technical indexes and parameters as the safety lock rope locking brake distance, the safety lock standing slippage, the safety lock rope locking angle and the rope locking speed in free falling of baskets with different load capacities (1000kg, 800kg, 630kg, 500kg and below).
Description
Technical field
The present invention relates to a kind of safety lock test experimental bed and method of testing, particularly a kind of high-altitude hanging basket class mechanical safety lock test experimental bed and method of testing.
Background technology
Aerial work basket is indispensable manned equipment in external wall finishing, cleaning and upkeep operation, its work characteristics carries out being elevated and operation in the hanging basket that aloft hangs of personnel, in external wall decoration construction, the personnel casualty accidents caused by aerial work basket happens occasionally, and belongs to highly dangerous operation.Wherein topmost reason is because the important safety parts of aerial work basket---the quality problems of safety lock cause, so it is most important to strengthen safety lock quality inspection.Safety lock test is one of most important Interventions Requested in state compulsory standard GB19155-2003 " aerial work basket ", no matter be type inspection or factory inspection, it is all the project that must examine, therefore, test device for safety lock of high-rise working cradle concerning aerial work basket particularly safety lock manufacturing enterprise and carry out type inspection inspection body, be all prerequisite inspection machine.
Summary of the invention
In view of prior art Problems existing, the invention provides a kind of high-altitude hanging basket class mechanical safety lock test experimental bed and method of testing, sensor and high speed data acquisition system is utilized to carry out data acquisition, special purpose computer carries out data processing, achieve robotization and the inspection record of test process, the automatic generation of examining report, concrete technical scheme is, a kind of high-altitude hanging basket class mechanical safety lock test experimental bed, comprise support, suspension platform, rope Locking device web member, baffle plate, blind rope chopper, obliquity sensor, balancing weight, electric hoist, pin, rope sensor, motor, motor contact, main rope, secondary rope, pulling rope, elastic buffering mechanism and computing machine, it is characterized in that: support is gantry frame structure, electric hoist pin is fixed and is hung on the entablature of support, rope sensor is fixed on the crossbeam lower surface of support, main rope and secondary rope one end are connected on electric hoist, pulling rope one end is fixed on the upper beam of support, the other end connects suspension platform, on ground immediately below the crossbeam that suspension platform is placed in support, elastic buffering mechanism is positioned on suspension platform inner bottom plating, balancing weight is placed on elastic buffering mechanism, rope Locking device web member is fixed on blind rope chopper lower end, blind rope chopper is fixed in suspension platform upper flat plate, obliquity sensor is fixed on the upper surface of suspension platform upper flat plate, motor is fixed on motor contact upper end, motor contact is fixed on the upper flat plate front end face of suspension platform, two pieces of baffle plates are individually fixed in inside the left and right pillar of support, position is that baffle plate lower end is a little less than suspension platform height, circuit connects for computing machine connects rope sensor, obliquity sensor, wherein, rope sensor comprises displacement transducer and force snesor, motor connects electric hoist.
High-altitude hanging basket class mechanical safety lock method of testing, one, rope speed test locked by safety lock 7 to be measured, suspension platform 2 is promoted to liftoff 1m place static, pair rope 15 is penetrated in safety lock 7 to be measured, release promotes main rope 14, safety lock 7 to be measured should pin secondary rope 15 immediately, utilizes the relative velocity of the relatively secondary rope 15 of the safety lock 7 to be measured of the displacement sensor in rope sensor 11;
Two, safety lock lock rope angle to be measured test, suspension platform 2 is promoted to liftoff 1m and is in horizontal stationary state, controlling electric hoist makes suspension platform 2 be in heeling condition gradually, until safety lock pins safety steel cable, make suspension platform 2 stop tilting, now utilize obliquity sensor 6 to measure the angle in suspension platform relative level face;
Three, test when safety lock to be measured leaves standstill slippage, suspension platform 2 is promoted to liftoff 1m place static, pair rope 15 is penetrated in safety lock 7 to be measured and to lock, below suspension platform 2, apply balancing weight 8, leave standstill 10min, utilize displacement sensor safety lock 7 to be measured relative to the slippage of pair rope 15;
Four, the distance test (DT) of suspension platform 2 free falling lock rope simulated by safety lock 7 to be measured, suspension platform 2 is promoted to liftoff 1m place static, and below suspension platform 2, apply corresponding prestowage fast 8, pair rope 15 is penetrated in safety lock 7 to be measured, release hoisting cable, safety lock to be measured should pin secondary rope 15 immediately, utilizes the impulsive force that the displacement transducer in rope sensor 11 and force sensor measuring free falling lock rope Distance geometry produce safety lock 7 to be measured;
Five, the analog signals utilizing data collecting card and computing machine to be inputted by sensor, after the process such as amplification, Isolation, calculating, changes into after digital quantity that computing machine can identify also processes and outputs test result.Wherein calculating section is completed on backstage automatically by computing machine.
The technology of the present invention effect is, the technical indicators such as slippage when safety lock lock rope braking distance, safety lock leave standstill when can realize 1000kg, 800kg, 630kg, 500kg and following different dead weight capacity hanging basket free falling, safety lock lock rope angle and lock rope speed detect and the real-time display of parameter, printout, can be used for the measurement of swing arm Anti-slanting safety lock and centrifugal triggered safety lock property indices, measurement result meets the regulation requirement of GB19155-2003 " aerial work basket " national standard.
Accompanying drawing explanation
Fig. 1 is structure front elevation of the present invention.
Fig. 2 is that main rope of the present invention, secondary rope, pulling rope A are to installation view.
Embodiment
Be described further according to specific embodiment below.
As shown in Figure 1,
(1) support 1 and suspension platform 2, support 1 adopts gantry frame structure form.Utilize square steel to be welded, there is simple for structure, that stability is high feature.Suspension platform 2 is for the load that applies in bearing test process and balancing weight 8.
(2) haulage gear: comprise main rope 14, secondary rope 15, pulling rope 16, electric hoist 9, blind rope chopper 5, one end of main rope 14 connects blind rope chopper 5, and through the swing arm of safety lock 4 to be measured, the other end is connected with electric hoist.Main rope 14 is driven to control the lifting of suspension platform 2 by electric hoist 9 during system works.Secondary rope 15 is by safety lock 7 to be measured, when motor 12 works, namely blind rope chopper 5 is pulled to make it thread off when suspension platform 2 freely falling body is to certain distance, secondary rope 15 is lockable, and utilizes displacement sensor for pull rope 11 distance measured now to be exactly the lock rope distance of safety lock 7 to be measured when simulating suspension platform 2 free falling.
(3) bindiny mechanism: utilize blind rope chopper 5 to connect main rope 14, utilizes motor 12 to control to clamp the duty of blind rope chopper 5 simultaneously.
(4) counterweight: counterweight adopts combined counterbalance block 8 corresponding to the trial load of standard-required to realize.
(5) buffer gear: adopt elastic buffering mechanism 17, be placed on the below of balancing weight 8, when safety lock 7 disabler to be measured, play buffer action.
(6) measuring mechanism: A, measurement of angle: the angle of swing arm when utilizing obliquity sensor 6 to measure safety lock 7 locked main rope 14 to be measured, obliquity sensor 6 is arranged on suspension platform, the angle of inclination of real-time measurement suspension platform 2, traction rope 16 is utilized to hold suspension platform 2 side, electric hoist 9 puts down main rope gradually, suspension platform 2 opposite side declines, cause inclination, when angle reaches safety lock 7 locked angle to be measured, secondary rope 15 is locked, suspension platform 2 cannot decline, and utilizes obliquity sensor 6 to measure angle now.
B, range observation: utilize the displacement sensor in rope sensor 11 to lock rope Distance geometry and leave standstill slippage and lock rope speed.Rope sensor 11 is arranged on the entablature of support 1, and main rope 14 one end is fixed on suspension platform 2.When blind rope chopper 5 depart from main rope 14, suspension platform 2 fall time, secondary rope 15 is pinned by safety lock 7 to be measured, utilizes the distance now of the displacement sensor in rope sensor 11 to be exactly the lock rope distance of suspension platform 2 free falling.Utilize this result can calculate lock rope speed by formula, when pinning secondary rope 15, static placement suspension platform 2, utilize the displacement transducer in rope sensor 11 can measure standing sliding displacement, computing machine 18 picks up displacement transducer distance signal, obliquity sensor 6 angle signal in rope sensor 11, carries out analyzing and processing to the signal of sensor.
The test method of testing table
One, rope speed test locked by safety lock 7 to be measured
Suspension platform 2 is promoted to liftoff 1m place static, pair rope 15 is penetrated in safety lock 7 to be measured, release promotes main rope 14, and safety lock 7 to be measured should pin secondary rope 15 immediately, utilizes the relative velocity of the relatively secondary rope 15 of the safety lock 7 to be measured of the displacement sensor in rope sensor 11.
Two, safety lock lock rope angle to be measured test
Suspension platform 2 is promoted to liftoff 1m and is in horizontal stationary state, controlling electric hoist makes suspension platform 2 be in heeling condition gradually, until safety lock pins safety steel cable, make suspension platform 2 stop tilting, now utilize obliquity sensor 6 to measure the angle in suspension platform relative level face.
Three, test when safety lock to be measured leaves standstill slippage
Suspension platform 2 is promoted to liftoff 1m place static, pair rope 15 is penetrated in safety lock 7 to be measured and to lock, below suspension platform 2, apply balancing weight 8, leave standstill 10min, utilize displacement sensor safety lock 7 to be measured relative to the slippage of pair rope 15.Four, the distance test (DT) of suspension platform 2 free falling lock rope simulated by safety lock 7 to be measured
Suspension platform 2 is promoted to liftoff 1m place static, and below suspension platform 2, apply corresponding prestowage fast 8, pair rope 15 is penetrated in safety lock 7 to be measured, release hoisting cable, safety lock to be measured should pin secondary rope 15 immediately, utilizes the impulsive force that the displacement transducer in rope sensor 11 and force sensor measuring free falling lock rope Distance geometry produce safety lock 7 to be measured.
Five, the analog signals utilizing data collecting card and computing machine to be inputted by sensor, after the process such as amplification, Isolation, calculating, changes into after digital quantity that computing machine can identify also processes and outputs test result.Wherein calculating section is completed on backstage automatically by computing machine.
Technical characterstic:
(1) realization simulation suspension platform 2 moves up and down and adopts electric hoist 9 electric lifting device, its fretting performance is good, the slow rise and fall requirement of operating condition of test can be met, and volume is little, lightweight, can directly be arranged on the entablature of support 1, suspension platform 2 is promoted, and drive path is short, efficiency is high.
(2) control simulation suspension platform 2 realizes the lock rope device of free falling operating mode, adopt blind rope chopper to connect main rope and suspension platform 2, ensure locking when suspension platform 2 rises, main rope 14 is worked, and hightail when doing free-fall testing, ensure the work of secondary rope 15.
(3) test macro adopts sensor and high speed data acquisition system to realize the collect and transmit of data, and special software carries out data processing, realizes detection record, report generates automatically.
(4) this apparatus function is complete, and can be used for the measurement of swing arm Anti-slanting safety lock and centrifugal triggered safety lock property indices, measurement result meets the regulation requirement of GB19155-2003 " aerial work basket " national standard.
Claims (2)
1. a high-altitude hanging basket class mechanical safety lock test experimental bed, comprise support (1), suspension platform (2), rope Locking device web member (3), baffle plate (4), blind rope chopper (5), obliquity sensor (6), balancing weight (8), electric hoist (9), pin (10), rope sensor (11), motor (12), motor contact (13), main rope (14), secondary rope (15), pulling rope (16), elastic buffering mechanism (17) and computing machine (18), it is characterized in that: support (1) is gantry frame structure, electric hoist (9) is fixed with pin (10) and is hung on the entablature of support (1), rope sensor (11) is fixed on the crossbeam lower surface of support (1), main rope (14) and secondary rope (15) one end are connected on electric hoist (9), pulling rope (16) one end is fixed on the upper beam of support (1), the other end connects suspension platform (2), on ground immediately below the crossbeam that suspension platform (2) is placed in support (1), elastic buffering mechanism (17) is positioned on suspension platform (2) inner bottom plating, balancing weight (8) is placed on elastic buffering mechanism (17), rope Locking device web member (3) is fixed on blind rope chopper (5) lower end, blind rope chopper (5) is fixed in suspension platform (2) upper flat plate, obliquity sensor (6) is fixed on the upper surface of suspension platform (2) upper flat plate, motor (12) is fixed on motor contact (13) upper end, motor contact (13) is fixed on the upper flat plate front end face of suspension platform (2), two pieces of baffle plates (4) are individually fixed in inside the left and right pillar of support (1), position be baffle plate (4) lower end a little less than suspension platform (2) highly, circuit connects for computing machine (18) connects rope sensor (11), obliquity sensor (6), wherein, rope sensor (11) comprises displacement transducer and force snesor, motor (12) connects electric hoist (9).
2. a high-altitude hanging basket class mechanical safety lock method of testing, is characterized in that: method of testing comprises the following steps:
One, rope speed test locked by safety lock 7 to be measured
Suspension platform 2 is promoted to liftoff 1m place static, pair rope 15 is penetrated in safety lock 7 to be measured, release promotes main rope 14, and safety lock 7 to be measured should pin secondary rope 15 immediately, utilizes the relative velocity of the relatively secondary rope 15 of the safety lock 7 to be measured of the displacement sensor in rope sensor 11;
Two, safety lock lock rope angle to be measured test
Suspension platform 2 is promoted to liftoff 1m and is in horizontal stationary state, controlling electric hoist makes suspension platform 2 be in heeling condition gradually, until safety lock pins safety steel cable, make suspension platform 2 stop tilting, now utilize obliquity sensor 6 to measure the angle in suspension platform relative level face;
Three, test when safety lock to be measured leaves standstill slippage
Suspension platform 2 is promoted to liftoff 1m place static, pair rope 15 is penetrated in safety lock 7 to be measured and to lock, below suspension platform 2, apply balancing weight 8, leave standstill 10min, utilize displacement sensor safety lock 7 to be measured relative to the slippage of pair rope 15;
Four, the distance test (DT) of suspension platform 2 free falling lock rope simulated by safety lock 7 to be measured
Suspension platform 2 is promoted to liftoff 1m place static, and below suspension platform 2, apply corresponding prestowage fast 8, pair rope 15 is penetrated in safety lock 7 to be measured, release hoisting cable, safety lock to be measured should pin secondary rope 15 immediately, utilizes the impulsive force that the displacement transducer in rope sensor 11 and force sensor measuring free falling lock rope Distance geometry produce safety lock 7 to be measured;
Five, the analog signals utilizing data collecting card and computing machine to be inputted by sensor is after the process such as amplification, Isolation, calculating, change digital quantity that computing machine can identify into and output test result after process, wherein calculating section is completed on backstage automatically by computing machine.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289742A (en) * | 2016-08-04 | 2017-01-04 | 无锡市计量检定测试中心 | The detection assay device of high-lift operation hanging cradle safety lock and test method |
| CN106441835A (en) * | 2016-08-31 | 2017-02-22 | 江苏能建机电实业集团有限公司 | Broken rope protector test platform and working method thereof |
| CN106441827A (en) * | 2016-08-03 | 2017-02-22 | 深圳市特种设备安全检验研究院 | Elevator instantaneous type safety gear test method and test apparatus thereof |
| CN107380587A (en) * | 2017-08-30 | 2017-11-24 | 湖北江汉建筑工程机械有限公司 | One kind unloads sand device automatically |
| CN107764535A (en) * | 2017-10-23 | 2018-03-06 | 沈阳建筑大学 | A kind of cradle safety lock detection platform tenesmus automatic range measurement device and method |
| CN110461422A (en) * | 2017-04-03 | 2019-11-15 | 3M创新有限公司 | With protective cover and with the falling guard equipment of sleeve assembly |
| CN112551452A (en) * | 2020-11-30 | 2021-03-26 | 上海市建筑科学研究院科技发展有限公司 | Multifunctional detection device |
| CN114739712A (en) * | 2022-04-12 | 2022-07-12 | 江苏省特种设备安全监督检验研究院 | Detection device for high-altitude special equipment |
| CN116413018A (en) * | 2023-04-18 | 2023-07-11 | 重庆品智建设工程质量检测有限公司 | Safety lock drop test equipment |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441827A (en) * | 2016-08-03 | 2017-02-22 | 深圳市特种设备安全检验研究院 | Elevator instantaneous type safety gear test method and test apparatus thereof |
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| CN106441835B (en) * | 2016-08-31 | 2018-12-07 | 江苏能建机电实业集团有限公司 | A kind of broken rope protector test platform and its working method |
| CN110461422B (en) * | 2017-04-03 | 2021-03-16 | 3M创新有限公司 | Fall protection device with protective hood and sleeve assembly |
| CN110461422A (en) * | 2017-04-03 | 2019-11-15 | 3M创新有限公司 | With protective cover and with the falling guard equipment of sleeve assembly |
| CN107380587A (en) * | 2017-08-30 | 2017-11-24 | 湖北江汉建筑工程机械有限公司 | One kind unloads sand device automatically |
| CN107380587B (en) * | 2017-08-30 | 2019-06-21 | 湖北江汉建筑工程机械有限公司 | It is a kind of to unload sand device automatically |
| CN107764535A (en) * | 2017-10-23 | 2018-03-06 | 沈阳建筑大学 | A kind of cradle safety lock detection platform tenesmus automatic range measurement device and method |
| CN112551452A (en) * | 2020-11-30 | 2021-03-26 | 上海市建筑科学研究院科技发展有限公司 | Multifunctional detection device |
| CN114739712A (en) * | 2022-04-12 | 2022-07-12 | 江苏省特种设备安全监督检验研究院 | Detection device for high-altitude special equipment |
| CN114739712B (en) * | 2022-04-12 | 2023-01-06 | 江苏省特种设备安全监督检验研究院 | Detection device for high-altitude special equipment |
| CN116413018A (en) * | 2023-04-18 | 2023-07-11 | 重庆品智建设工程质量检测有限公司 | Safety lock drop test equipment |
| CN116413018B (en) * | 2023-04-18 | 2024-05-24 | 重庆品智建设工程质量检测有限公司 | Safety lock drop test equipment |
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