CN102829971B - The portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device - Google Patents
The portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device Download PDFInfo
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- CN102829971B CN102829971B CN201210330726.2A CN201210330726A CN102829971B CN 102829971 B CN102829971 B CN 102829971B CN 201210330726 A CN201210330726 A CN 201210330726A CN 102829971 B CN102829971 B CN 102829971B
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Abstract
The present invention discloses a kind of portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device, comprises the sensor, data collection and analysis instrument and the output device that connect successively, is connected between sensor with data collection and analysis instrument by shadow data line; Sensor is dragline type range sensor, and covers disposed on sensor has stay cord, and sensor is fixed on the guide rail bracket of rack-and-pinion construction elevator, and stay cord is connected with the cage at anti-falling safety device place.In this portable field pick-up unit, sensor adopts dragline type range sensor, during use, its base can easily be stuck on the horizontal web member angle bar of the arbitrary base section of guide rail bracket, locked by bolt, effectively prevent rotary encoder rack and pinion engagement in existing pick-up unit and be difficult to adjust disadvantage smoothly.This device detects except the anti-falling safety device being applicable to rack-and-pinion construction elevator, and be also applicable to the anti-falling safety device detection that elevator etc. has analog structure equipment, its usable range is wider.
Description
Technical field
The present invention relates to the detection technique of anti-falling safety device, particularly a kind of portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device.
Background technology
The anti-falling safety device of gear-and-rack type construction lifter needs to carry out one-time detection, demarcation in 1 year by national standard requirement; but do not have special pick-up unit can detect anti-falling safety device at use scene; each detection all needs anti-falling safety device to pull down to deliver to test in laboratory, causes the inefficiency such as turnaround time length, building hoist shutdown.At present, although there is article to propose by using rotary encoder as the in-situ check and test method of sensor, but because rotary encoder need be driven by wheel and rack engaged transmission, will along the smoothness of whole guide rail bracket debugging rack and pinion engagement so install rotary encoder at the scene, use very inconvenient, so reality does not have corresponding pick-up unit to come into operation yet, causing at present cannot to safety catcher braking distance at use scene, responsiveness, braking deceleration, the parameters such as damping force detect, and these parameters are the important indicators judging that whether anti-falling safety device is qualified, therefore development one is convenient, fast, anti-falling safety device on-site detecting device is very necessary and urgent accurately and efficiently.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the portable field pick-up unit that a kind of structure is simple, use also rack-and-pinion construction elevator anti-falling safety device is easily provided.
Technical scheme of the present invention is: a kind of portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device, comprise the sensor, data collection and analysis instrument and the output device that connect successively, be connected by shadow data line between sensor with data collection and analysis instrument; Sensor is dragline type range sensor, and covers disposed on sensor has stay cord, and sensor is fixed on the guide rail bracket of rack-and-pinion construction elevator, and stay cord is connected with the cage at anti-falling safety device place.
Described sensor base is provided with and facilitates sensor to install fixing base, base is horizontal " F " shape structure, comprise base plate, starting stave and the second riser, base plate horizontally set, sensor is fixed on base plate, starting stave is parallel with the second riser is located at sensor side, and starting stave and the second riser are vertical with base plate respectively to be arranged; The angle bar of guide rail bracket to be embedded in the space between starting stave and the second riser and fixing.
Described starting stave, to be bolted to connection between the second riser and angle bar.
Described data collection and analysis instrument comprises analogue collection module, central processing unit, power module and communication interface module, analogue collection module is connected with central processing unit respectively with communication interface module, the input end external sensor of analogue collection module, the external output device of communication interface module, the output terminal of power module is connected with sensor, analogue collection module, central processing unit and communication interface module respectively;
Wherein, central processing unit is industrial PLC or PAC, the clock submodule and storer that are connected is provided with in central processing unit, central processing unit is as the core cell of data acquisition and processing (DAP), other each modules are all run under its integrated dispatch, can carry out certain data algorithm computing and real-time storage simultaneously; Analogue collection module is EM235 module, and analogue collection module is used for data conditioning conversion (as analog to digital conversion, level frequent conversion etc.), and is upwards connected to central processing unit, according to its internal bus communication mechanism, carries out data upload; Communication interface module is CP243-1 Industrial Ethernet module, bears and to carry out assigning a task of exchanges data and capture program instruction with host computer (computer namely in output device), and have high noise immunity and high reliability.
Described output device comprises the computer and printer that are connected, and data collection and analysis instrument is connected with computer.
With simulation data software in described computer, this software is the TT&C software using domestic hydrostatic testing device 5 as development platform, by action and the state of industrial animation, the observing and controlling of graphic form simulative display lifter, and the operational analysis of data can be carried out, form the power-time of all kinds of measuring amount, Velocity-time, acceleration-time curve, and the matched curve of power-time and Velocity-time, final generation test report form.
When this portable field pick-up unit is applied to rack-and-pinion construction elevator anti-falling safety device, its method of operating is: the angle bar first looking for a correct position on the guide rail bracket of rack-and-pinion construction elevator, sensor is fixed on angle bar by its base, stay cord is after sensor pull-out, and its end is fixed on cage.Its Cleaning Principle is: when cage is up, stay cord is upwards pulled out sensor, and when carrying out falling experiment, cage is from high falling, and stay cord reclaims by sensor, now, data collection and analysis instrument can be placed in ground, the analog value that sensor obtains directly is sent to data collection and analysis instrument by shadow data line, data collection and analysis instrument carries out collection analysis to the data that sensor imports into and generates distance verses time function, then be connected with computer by data line, computer by simulation data software adjust the distance-function of time analysis can try to achieve the braking distance of anti-falling safety device, responsiveness and the isoparametric numerical value of acceleration, and use industrial animation, the forms such as icon, the running status of image reflection lifter, real-time curve is drawn according to sampled data, and history curve is stored in computer.
The present invention, relative to prior art, has following beneficial effect:
1, in this portable field pick-up unit, sensor adopts dragline type range sensor, it is easy for installation, during use, its base can easily be stuck on the horizontal web member angle bar of the arbitrary base section of guide rail bracket, locked by bolt, effectively prevent rotary encoder rack and pinion engagement in existing pick-up unit and be difficult to adjust disadvantage smoothly.
When 2, using this portable field pick-up unit to detect anti-falling safety device, because sensor measurement data uses the reverse-running section of stay cord, avoid cage hourly velocity of falling too fast, effectively prevent the phenomenon of disconnected stay cord from producing.
When 3, using this portable field pick-up unit to detect anti-falling safety device, the data that dragline type range sensor is measured are continuous quantities, the sample frequency of setting when its sample frequency depends on that the clock frequency meter of data collection and analysis instrument detects, avoids and adopts the low phenomenon causing precision inadequate of laser range finder sample frequency.
4, when this portable field pick-up unit uses, dragline type range sensor is arranged on the base section of guide rail bracket, thus directly can be connected, without the need to radio network device by shadow data line on the ground with data collection and analysis instrument, its Signal transmissions is more reliable and more stable, and cost is also lower.
5, this portable field pick-up unit detects except the anti-falling safety device being applicable to rack-and-pinion construction elevator, and be also applicable to the anti-falling safety device detection that elevator etc. has analog structure equipment, its usable range is wider.
Accompanying drawing explanation
Fig. 1 be this portable field pick-up unit be applied to building hoist anti-falling safety device detect time principle schematic.
Fig. 2 is that in this portable field pick-up unit, sensor is installed on the structural representation on guide rail bracket.
Fig. 3 is the structural representation of data collection and analysis instrument in this portable field pick-up unit.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
The portable field pick-up unit of a kind of rack-and-pinion construction elevator anti-falling safety device of the present embodiment, as shown in Figure 1, comprise the sensor 1, data collection and analysis instrument 2 and the output device 3 that connect successively, be connected by shadow data line between sensor 1 with data collection and analysis instrument 2; Sensor is dragline type range sensor, and sensor 1 is provided with stay cord 4, and sensor 1 is fixed on the guide rail bracket 5 of rack-and-pinion construction elevator, and stay cord 4 is connected with the cage 7 at anti-falling safety device 6 place.
As shown in Figure 2, be provided with bottom sensor 1 and facilitate sensor that fixing base is installed, base is horizontal " F " shape structure, comprise base plate 8, starting stave 9 and the second riser 10, base plate horizontally set, sensor is fixed on base plate, and starting stave is parallel with the second riser is located at sensor side, and starting stave and the second riser are vertical with base plate respectively to be arranged; The angle bar 11 of guide rail bracket 5 to be embedded in the space between starting stave and the second riser and fixing.
Conveniently dismounting ensure the fixed effect of sensor, is fixedly connected with by bolt 12 between starting stave 9, second riser 10 and angle bar 11.
As shown in Figure 3, data collection and analysis instrument 2 comprises analogue collection module, central processing unit, power module and communication interface module, analogue collection module is connected with central processing unit respectively with communication interface module, the input end external sensor of analogue collection module, the external output device of communication interface module, the output terminal of power module is connected with sensor, analogue collection module, central processing unit and communication interface module respectively;
Wherein, central processing unit is industrial PLC or PAC, model is adopted to be the PLC of CPU224XP in the present embodiment, the clock submodule and storer that are connected is provided with in central processing unit, central processing unit is as the core cell of data acquisition and processing (DAP), other each modules are all run under its integrated dispatch, can carry out certain data algorithm computing and real-time storage simultaneously; Analogue collection module is EM235 module, and analogue collection module is used for data conditioning conversion (as analog to digital conversion, level frequent conversion etc.), and is upwards connected to central processing unit, according to its internal bus communication mechanism, carries out data upload; Communication interface module is CP243-1 Industrial Ethernet module, bears and to carry out assigning a task of exchanges data and capture program instruction with host computer (computer namely in output device), and have high noise immunity and high reliability.
Output device 3 comprises the computer and printer that are connected, and data collection and analysis instrument is connected with computer.
With simulation data software in computer, this software is the TT&C software using domestic hydrostatic testing device 5 as development platform, by action and the state of industrial animation, the observing and controlling of graphic form simulative display lifter, and the operational analysis of data can be carried out, form the power-time of all kinds of measuring amount, Velocity-time, acceleration-time curve, and the matched curve of power-time and Velocity-time, final generation test report form.
When this portable field pick-up unit is applied to rack-and-pinion construction elevator anti-falling safety device, its method of operating is: the angle bar first looking for a correct position on the guide rail bracket of rack-and-pinion construction elevator, sensor is fixed on angle bar by its base, stay cord is after sensor pull-out, and its end is fixed on cage.Its Cleaning Principle is: when cage is up, stay cord is upwards pulled out sensor, and when carrying out falling experiment, cage is from high falling, and stay cord reclaims by sensor, now, data collection and analysis instrument can be placed in ground, the analog value that sensor obtains directly is sent to data collection and analysis instrument by shadow data line, data collection and analysis instrument carries out collection analysis to the data that sensor imports into and generates distance verses time function, then be connected with computer by data line, computer by simulation data software adjust the distance-function of time analysis can try to achieve the braking distance of anti-falling safety device, responsiveness and the isoparametric numerical value of acceleration, and use industrial animation, the forms such as icon, the running status of image reflection lifter, real-time curve is drawn according to sampled data, and history curve is stored in computer.
As mentioned above, just can realize the present invention preferably, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Namely all equalizations done according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.
Claims (4)
1. the portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device, is characterized in that, comprises the sensor, data collection and analysis instrument and the output device that connect successively, is connected between sensor with data collection and analysis instrument by shadow data line; Sensor is dragline type range sensor, and covers disposed on sensor has stay cord, and sensor is fixed on the guide rail bracket of rack-and-pinion construction elevator, and stay cord is connected with the cage at anti-falling safety device place;
Described sensor base is provided with and facilitates sensor to install fixing base, base is horizontal " F " shape structure, comprise base plate, starting stave and the second riser, base plate horizontally set, sensor is fixed on base plate, starting stave is parallel with the second riser is located at sensor side, and starting stave and the second riser are vertical with base plate respectively to be arranged; The angle bar of guide rail bracket to be embedded in the space between starting stave and the second riser and fixing;
Described output device comprises the computer and printer that are connected, and data collection and analysis instrument is connected with computer.
2. the portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device according to claim 1, is characterized in that, described starting stave, is bolted to connection between the second riser and angle bar.
3. the portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device according to claim 1, it is characterized in that, described data collection and analysis instrument comprises analogue collection module, central processing unit, power module and communication interface module, analogue collection module is connected with central processing unit respectively with communication interface module, the input end external sensor of analogue collection module, the external output device of communication interface module, the output terminal of power module is connected with sensor, analogue collection module, central processing unit and communication interface module respectively;
Wherein, central processing unit is industrial PLC or PAC, is provided with the clock submodule and storer that are connected in central processing unit; Analogue collection module is EM235 module; Communication interface module is CP243-1 Industrial Ethernet module.
4. the portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device according to claim 1, is characterized in that, with simulation data software in described computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210330726.2A CN102829971B (en) | 2012-09-07 | 2012-09-07 | The portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210330726.2A CN102829971B (en) | 2012-09-07 | 2012-09-07 | The portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device |
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| Publication Number | Publication Date |
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| CN102829971A CN102829971A (en) | 2012-12-19 |
| CN102829971B true CN102829971B (en) | 2015-08-26 |
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| CN201210330726.2A Expired - Fee Related CN102829971B (en) | 2012-09-07 | 2012-09-07 | The portable field pick-up unit of rack-and-pinion construction elevator anti-falling safety device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245316B (en) * | 2013-05-07 | 2016-03-23 | 福建省特种设备检验研究院 | A kind of crane brake downslide amount detection system |
| 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 |
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| RU2035710C1 (en) * | 1990-07-17 | 1995-05-20 | Демьяненко Николай Степанович | Method for testing locks used in flying vehicle systems for impact loads |
| FR2832139A1 (en) * | 2001-11-13 | 2003-05-16 | Otis Elevator Co | Parachute counterweight installation for lift comprises two safety units, fixed on counterweight lateral surfaces, activated by two parallel levers articulated on safety units and connected to horizontal rod |
| CN1810620A (en) * | 2006-02-14 | 2006-08-02 | 中国矿业大学 | Device and method of detecting braking performance of safety catcher |
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Patent Citations (9)
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|---|---|---|---|---|
| SU1717516A1 (en) * | 1989-11-27 | 1992-03-07 | Государственный Проектный Институт "Южгипрошахт" | Device for stopping cage of mine tower hoist in testing cage parachute |
| RU2035710C1 (en) * | 1990-07-17 | 1995-05-20 | Демьяненко Николай Степанович | Method for testing locks used in flying vehicle systems for impact loads |
| FR2832139A1 (en) * | 2001-11-13 | 2003-05-16 | Otis Elevator Co | Parachute counterweight installation for lift comprises two safety units, fixed on counterweight lateral surfaces, activated by two parallel levers articulated on safety units and connected to horizontal rod |
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