CN102829971A - Portable field detection device used for anti-falling safety device of rack and pinion building hoist - Google Patents
Portable field detection device used for anti-falling safety device of rack and pinion building hoist Download PDFInfo
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- CN102829971A CN102829971A CN2012103307262A CN201210330726A CN102829971A CN 102829971 A CN102829971 A CN 102829971A CN 2012103307262 A CN2012103307262 A CN 2012103307262A CN 201210330726 A CN201210330726 A CN 201210330726A CN 102829971 A CN102829971 A CN 102829971A
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Abstract
The invention discloses a portable field detection device used for an anti-falling safety device of a rack and pinion building hoist. The portable field detection device comprises a sensor, a data acquisition analyzer and an output device which are sequentially connected, wherein the sensor and the data acquisition analyzer are connected through a shielding data line; the sensor is a pull rope type distance sensor, the sensor is provided with a pull rope and is fixed on a guide rail bracket of the rack and pinion building hoist, and the pull rope is connected with a cage in which the anti-falling safety device is arranged. According to the portable field detection device disclosed by the invention, the pull rope type distance sensor is used as the sensor, and when the device is used, the base can be conveniently clamped on a horizontal web member angle iron of any base section of the guide rail bracket, the base is locked through a bolt, and the detect that the meshing of the rack and the pinion of a rotary encoder in the existing detection device can not be easily adjusted to be smooth is effectively avoided. The portable field detection device is suitable for the detection of the anti-falling safety device of the rack and pinion building hoist, and is also suitable for the detection of the anti-falling safety device of equipment which has the similar structure, such as an elevator, and the range of application of the device is wider.
Description
Technical field
The present invention relates to the detection technique of anti-falling safety device, the portable field pick-up unit that particularly a kind of rack-and-pinion construction elevator anti-falling safety device is used.
Background technology
The anti-falling safety device of gear rack type construction lifter need carry out one-time detection, demarcation in 1 year by the national standard requirement; But there is not special pick-up unit to detect anti-falling safety device at the scene of using; Each detection all need be pulled down anti-falling safety device and delivered to the laboratory detection, causes inefficiency such as turnaround time length, building hoist shutdown.At present; Though there is article to propose through using the in-situ check and test method of rotary encoder as sensor; But because rotary encoder needs to drive through the wheel and rack engaged transmission; So being installed at the scene, rotary encoder to use very inconvenience, so reality does not have the relevant detection device to come into operation yet along the smoothness of whole guide rail bracket debugging rack-and-pinion engagement; Cause to detect parameters such as safety catcher braking distance, responsiveness, braking deceleration, damping force at the use scene at present, and these parameters are important indicators of judging that anti-falling safety device is whether qualified; Therefore develop a kind of convenient, fast, the anti-falling safety device on-site detecting device is very necessary and urgent accurately and efficiently.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of simple in structure, portable field pick-up unit of using also rack-and-pinion construction elevator anti-falling safety device easily to use is provided.
Technical scheme of the present invention is: the portable field pick-up unit that a kind of rack-and-pinion construction elevator anti-falling safety device is used; Comprise successively the sensor, data collection and analysis appearance and the output device that connect, be connected through the shadow data line between sensor and the data collection and analysis appearance; Sensor is the dragline type range sensor, and sensor is provided with 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.
Said sensor base is provided with and makes things convenient for sensor to install and fix the base of usefulness; Base is horizontal " F " shape structure; Comprise base plate, starting stave and second riser, base plate horizontally set, sensor are fixed on the base plate; Parallel sensor one side of being located at of starting stave with second riser, starting stave is provided with second riser is vertical with base plate respectively; The angle bar of guide rail bracket is embedded in the space between the starting stave and second riser and fixes.
Connect through bolt between said starting stave, second riser and the angle bar.
Said data collection and analysis appearance 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 are connected with sensor, analogue collection module, central processing unit and communication interface module respectively;
Wherein, Central processing unit is industrial PLC or PAC; Be provided with the clock submodule and the storer that are connected in the central processing unit; Central processing unit is as the core cell of data acquisition and processing (DAP), and all operations under its integrated dispatch of other each modules can be carried out certain data algorithm computing and real-time storage simultaneously; Analogue collection module is the EM235 module, and analogue collection module is used for data conditioning conversion (like analog to digital conversion, level frequency transformation etc.), and upwards is connected to central processing unit, according to its internal bus communication mechanism, carries out data upload; Communication interface module is a CP243-1 EPA module, bears with host computer (being the computer in the output device) and carries out assigning a task of exchanges data and capture program instruction, and have high noise immunity and high reliability.
Said output device comprises computer and the printer that is connected, and the data collection and analysis appearance is connected with computer.
Have the emulation output software in the said computer; This software is with the TT&C software of homemade KingView 6.55 as development platform; Can show the action and the state of lifter observing and controlling through industrial animation, graphic form simulation, and can carry out the operation of data analysis, form power-time, Velocity-time, the acceleration-time curve of all kinds of measuring amount; And the matched curve of power-time and Velocity-time, finally generate the test report form.
When this portable field pick-up unit is applied to the rack-and-pinion construction elevator anti-falling safety device; Its method of operating is: the angle bar of on the guide rail bracket of rack-and-pinion construction elevator, looking for earlier a correct position; Sensor is fixed on the angle bar through its base; After stay cord was pulled out from sensor, its end was fixed on the cage.It detects principle: when cage is up stay cord is upwards pulled out sensor, when falling experiment, cage is from high falling, and sensor reclaims stay cord; At this moment; The data collection and analysis appearance can place ground, and the resulting analog value of sensor directly is sent to the data collection and analysis appearance through the shadow data line, and the data that the data collection and analysis appearance imports into sensor are carried out collection analysis and generated the distance-function of time; Link to each other with computer through data line then; The computer expert crosses the emulation output software and adjusts the distance-and function of time analysis can try to achieve the isoparametric numerical value of braking distance, responsiveness and acceleration of anti-falling safety device, and use forms such as industrial animation, icon, the running status of image reflection lifter; Draw real-time curve according to sampled data, and history curve is stored in the computer.
The present invention has following beneficial effect with respect to prior art:
1, in this portable field pick-up unit; Sensor adopts the dragline type range sensor; It is easy for installation; Its base can easily be stuck on the horizontal web member angle bar of the arbitrary base section of guide rail bracket during use, through bolt its locking is got final product, and has effectively avoided in the existing pick-up unit engagement of rotary encoder rack-and-pinion to be difficult to adjust disadvantage smoothly.
When 2, using this portable field pick-up unit that anti-falling safety device is detected, because the use of sensor measurement data is the backhaul section of stay cord, excessive velocities when having avoided cage to fall prevents that effectively the phenomenon of disconnected stay cord from producing.
When 3, using this portable field pick-up unit that anti-falling safety device is detected; Dragline type range sensor data measured is a continuous quantity; Its SF depends on the SF of setting when the clock frequency meter of data collection and analysis appearance detects, and has avoided adopting the low not enough phenomenon of precision that causes of laser range finder SF.
When 4, this portable field pick-up unit uses; The dragline type range sensor is installed on the base section of guide rail bracket, thereby can directly links to each other through the shadow data line on the ground, need not radio network device with the data collection and analysis appearance; Its signal transmission more stable is reliable, and cost is also lower.
5, this portable field pick-up unit detects except the anti-falling safety device that is applicable to rack-and-pinion construction elevator, and the anti-falling safety device that also has analog structure equipment applicable to elevator etc. detects, and its usable range is wider.
Description of drawings
Principle schematic when the anti-falling safety device that Fig. 1 is applied to building hoist for this portable field pick-up unit detects.
Fig. 2 is installed on the structural representation on the guide rail bracket for sensor in this portable field pick-up unit.
Fig. 3 is the structural representation of data collection and analysis appearance in this portable field pick-up unit.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done further detailed description, but embodiment of the present invention is not limited thereto.
Embodiment
The portable field pick-up unit that a kind of rack-and-pinion construction elevator anti-falling safety device of present embodiment is used; As shown in Figure 1; Comprise successively the sensor 1, data collection and analysis appearance 2 and the output device 3 that connect, be connected through the shadow data line between sensor 1 and the data collection and analysis appearance 2; Sensor is the 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 places.
As shown in Figure 2; Sensor 1 bottom is provided with and makes things convenient for sensor to install and fix the base of usefulness, and base is horizontal " F " shape structure, comprises base plate 8, starting stave 9 and second riser 10; The base plate horizontally set; Sensor is fixed on the base plate, parallel sensor one side of being located at of starting stave with second riser, and starting stave is provided with second riser is vertical with base plate respectively; The angle bar 11 of guide rail bracket 5 is embedded in the space between the starting stave and second riser and fixes.
Dismounting for ease also guarantees the fixed effect of sensor, is fixedly connected through bolt 12 between starting stave 9, second riser 10 and the angle bar 11.
As shown in Figure 3; Data collection and analysis appearance 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 are connected with sensor, analogue collection module, central processing unit and communication interface module respectively;
Wherein, Central processing unit is industrial PLC or PAC; Adopting model in the present embodiment is the PLC of CPU224XP, is provided with the clock submodule and the storer that are connected in the central processing unit, and central processing unit is as the core cell of data acquisition and processing (DAP); The all operations under its integrated dispatch of other each modules can be carried out certain data algorithm computing and real-time storage simultaneously; Analogue collection module is the EM235 module, and analogue collection module is used for data conditioning conversion (like analog to digital conversion, level frequency transformation etc.), and upwards is connected to central processing unit, according to its internal bus communication mechanism, carries out data upload; Communication interface module is a CP243-1 EPA module, bears with host computer (being the computer in the output device) and carries out assigning a task of exchanges data and capture program instruction, and have high noise immunity and high reliability.
Have the emulation output software in the computer; This software is with the TT&C software of homemade KingView 6.55 as development platform; Can show the action and the state of lifter observing and controlling through industrial animation, graphic form simulation, and can carry out the operation of data analysis, form power-time, Velocity-time, the acceleration-time curve of all kinds of measuring amount; And the matched curve of power-time and Velocity-time, finally generate the test report form.
When this portable field pick-up unit is applied to the rack-and-pinion construction elevator anti-falling safety device; Its method of operating is: the angle bar of on the guide rail bracket of rack-and-pinion construction elevator, looking for earlier a correct position; Sensor is fixed on the angle bar through its base; After stay cord was pulled out from sensor, its end was fixed on the cage.It detects principle: when cage is up stay cord is upwards pulled out sensor, when falling experiment, cage is from high falling, and sensor reclaims stay cord; At this moment; The data collection and analysis appearance can place ground, and the resulting analog value of sensor directly is sent to the data collection and analysis appearance through the shadow data line, and the data that the data collection and analysis appearance imports into sensor are carried out collection analysis and generated the distance-function of time; Link to each other with computer through data line then; The computer expert crosses the emulation output software and adjusts the distance-and function of time analysis can try to achieve the isoparametric numerical value of braking distance, responsiveness and acceleration of anti-falling safety device, and use forms such as industrial animation, icon, the running status of image reflection lifter; Draw real-time curve according to sampled data, and history curve is stored in the computer.
As stated, can realize preferably that just the present invention, the foregoing description are merely preferred embodiment of the present invention, be not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (6)
1. the portable field pick-up unit used of rack-and-pinion construction elevator anti-falling safety device is characterized in that, comprises the sensor, data collection and analysis appearance and the output device that connect successively, is connected through the shadow data line between sensor and the data collection and analysis appearance; Sensor is the dragline type range sensor, and sensor is provided with 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.
2. the portable field pick-up unit of using according to the said rack-and-pinion construction elevator anti-falling safety device of claim 1 is characterized in that, said sensor base is provided with and makes things convenient for sensor to install and fix the base of usefulness; Base is horizontal " F " shape structure; Comprise base plate, starting stave and second riser, base plate horizontally set, sensor are fixed on the base plate; Parallel sensor one side of being located at of starting stave with second riser, starting stave is provided with second riser is vertical with base plate respectively; The angle bar of guide rail bracket is embedded in the space between the starting stave and second riser and fixes.
3. the portable field pick-up unit of using according to the said rack-and-pinion construction elevator anti-falling safety device of claim 2 is characterized in that, connects through bolt between said starting stave, second riser and the angle bar.
4. the portable field pick-up unit of using according to the said rack-and-pinion construction elevator anti-falling safety device of claim 1; It is characterized in that; Said data collection and analysis appearance 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 are 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 the storer that are connected in the central processing unit; Analogue collection module is the EM235 module; Communication interface module is a CP243-1 EPA module.
5. the portable field pick-up unit of using according to the said rack-and-pinion construction elevator anti-falling safety device of claim 1 is characterized in that said output device comprises computer and the printer that is connected, and the data collection and analysis appearance is connected with computer.
6. the portable field pick-up unit of using according to the said rack-and-pinion construction elevator anti-falling safety device of claim 5 is characterized in that, has the emulation output software in the said 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN102829971A true CN102829971A (en) | 2012-12-19 |
| CN102829971B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245316A (en) * | 2013-05-07 | 2013-08-14 | 福建省特种设备检验研究院 | Crane braking gliding amount detecting 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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| 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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| Publication number | Publication date |
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| CN102829971B (en) | 2015-08-26 |
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