CN107826955A - Escalator exceeds the speed limit and reverse detection means and method - Google Patents
Escalator exceeds the speed limit and reverse detection means and method Download PDFInfo
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- CN107826955A CN107826955A CN201711186281.4A CN201711186281A CN107826955A CN 107826955 A CN107826955 A CN 107826955A CN 201711186281 A CN201711186281 A CN 201711186281A CN 107826955 A CN107826955 A CN 107826955A
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title abstract description 19
- 238000004088 simulation Methods 0.000 claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 238000011068 loading method Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B27/00—Indicating operating conditions of escalators or moving walkways
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- Escalators And Moving Walkways (AREA)
Abstract
Escalator exceeds the speed limit and reverse detection means and method, including simulation load generator, displacement transducer and center processing unit, displacement transducer is arranged on left and right handrail or step, simulation load generator is installed, escalator is got into downlink or uplink, operation is to traveling at the uniform speed；The traffic direction of load generator is determined, starts load generator, adjusts the speed of load generator simulation loading driving wheel, until escalator hypervelocity or reversal protection are automatically stopped；Speed and braking distance during speed, braking distance or anti-reverse protection act during displacement transducer detection escalator hypervelocity action, are sent to center processing unit analysis and storage.Present invention simulation escalator is in the process of running due to overspeed descending caused by overload and ascending reversal, the circuit of original escalator need not be modified, it is simple to operate, while the situation of simulation loading meets the situation that ordinary accident scene is seriously overloaded, and is advantageous to the detection of escalator.
Description
Technical field
The present invention relates to escalator technical field, more particularly to escalator hypervelocity and anti-reverse detection technique.
Background technology
At present, the detection of the hypervelocity of escalator and anti-reverse has been included in the category of the compulsory test of special inspection, still
In addition to traditional detection means using distinct methods for different escalators, the escalator hypervelocity of in the market different manufacturers
General detection method only has Zhuhai City, Guangdong Province special equipment inspection institute to be based on " dangerous working condition simulation inspection with reversal protection device
Survey method ", and instrumentation " escalator（Pavement）Hypervelocity, non-operating reversed defencive function detector ".This " dangerous work
The detection of condition analog detection method " is to cause staircase using frequency control（Pavement）Artificial entrance hypervelocity operating mode is non-manipulation
Reverse operating mode（Staircase is in unmanned seating state）, detected.Although this detection method accuracy in detection and reliability
It is all good, but due to be adjusted at the scene to the drive circuit of the traction machine of escalator so that detection process is complicated, together
When requirement to testing staff it is also very high, be unfavorable for actually detected and use.
It is this by frequency converter active meanwhile this hypervelocity actively realized with frequency converter and reverse are not inconsistent with actual condition
The reverse of formation is only suitable for power network misphase, disconnected phase, decompression etc. and causes motor reversion or low voltage component or device generation short-circuit, viscous
The failures such as company, open circuit, or safety circuit, brake control loop etc. break down, it is impossible to play the protection, control, system that this has
The reversal of effect such as stop, and such as drive chain chain rupture between drive device and ladder sprocket wheel of the reverse for mechanical breakdown is made
Into reverse, escalator, seriously overload causes motor torque deficiency and causes to reverse, between drive device and ladder sprocket wheel
The belt that driving uses occurs to skid and causing reverse, escalator and moving sidewalk to break down suddenly in operation causes
Jerk, and service brake can not provide enough braking moments and cause reverse situations such as and do not apply to.
The content of the invention
The problem of in order to realize hypervelocity that escalator occurs in all cases and reverse detection, the invention provides one
Kind escalator hypervelocity and reverse detection means and method.
The used to achieve the above object technical scheme of the present invention is：Escalator exceeds the speed limit and reverses detection means, wraps
Simulation load generator, displacement transducer and center processing unit are included, displacement transducer connects center with simulation load generator
Processing unit, displacement transducer are installed on step or handrail；Simulation load generator is by driving power, reducing motor and mould
Intend load driver wheel composition, reducing motor connection simulation loading driving wheel, simulation loading driving wheel contacts peace with step, handrail
Dress engages installation with step transfer chain, handrail conveyer chain.
The center processing unit includes arm processor, the memory being connected with arm processor and USB flash disk interface module,
Arm processor connects touch-screen.
Institute's displacement sensors are No. 1 displacement transducer or No. 3 displacement transducers, and No. 1 sensor is installed on step, 3
It is installed on all the way on step in the displacement transducer of road, another two-way is installed on the handrail of both sides.
The simulation load generator is 1 tunnel or 3 tunnels, and 1 road simulation load generator is installed on step, and the simulation of 3 tunnels carries
1 tunnel is installed on step in lotus generator, and another 2 tunnel is installed on the handrail of both sides；Simulation loading driving wheel is horizontal sliding wheel or tooth
Wheel, horizontal sliding wheel contact installation with step or handrail, and gear engages installation with step transfer chain, handrail conveyer chain.
Escalator exceeds the speed limit and reverses detection method, comprises the following steps：
A, displacement transducer is arranged on left and right handrail or step, displacement transducer connection center processing unit；
Simulation load generator, simulation load generator connection center processing unit, the simulation of simulation load generator are installed b,
Load driver wheel contacts installation with step, handrail or engages installation with step transfer chain, handrail conveyer chain；
C, escalator is got into downlink or uplink, operation cuts off traction machine driving power to traveling at the uniform speed；
D, the traffic direction of load generator is determined, starts load generator, adjustment load generator simulation loading driving wheel
Speed, until escalator overspeed protection or anti-reverse rotation protection are worked and be automatically stopped；
E, the speed when speed during action of displacement transducer detection escalator hypervelocity, braking distance or anti-reverse protection act
And braking distance, it is sent to center processing unit analysis and storage.
In the step a, displacement transducer is No. 1 displacement transducer or No. 3 displacement transducers, and No. 1 sensor is installed on
On step, it is installed on all the way on step in No. 3 displacement transducers, another two-way is installed on the handrail of both sides.
In the step b, simulation load generator is 1 tunnel or 3 tunnels, and 1 road simulation load generator is installed on step, 3
1 tunnel is installed on step in the simulation load generator of road, and another 2 tunnel is installed on the handrail of both sides；Simulation loading driving wheel is flat
Pulley or gear, horizontal sliding wheel contact installation with step or handrail, and gear engages installation with step transfer chain, handrail conveyer chain.
The dynamic staircase hypervelocity and reverse detection means and method of the present invention, simulation escalator is in the process of running due to super
Overspeed descending caused by load and ascending reversal, it is not necessary to the circuit of original escalator is modified, it is simple to operate, to inspection
Survey personnel are without the specialty in terms of electronics.The situation of simulation loading meets the situation that ordinary accident scene is seriously overloaded simultaneously, favorably
In the detection of escalator.
Brief description of the drawings
Fig. 1 is escalator hypervelocity of the present invention and reverses detection means schematic diagram.
Fig. 2 is escalator overspeed detection flow chart of the present invention.
Fig. 3 is that escalator of the present invention reverses overhaul flow chart.
Fig. 4 is escalator conventional parameter overhaul flow chart of the present invention.
Embodiment
The driving of escalator is by truss, driving reductor, drive device, traction machine, tensioning apparatus, guide rail by staircase
System, step, step chains, or rack, guardrail handrail and various safety devices are formed.Drive device is mainly by drive chain
Wheel, ladder sprocket wheel, handrail driving chain wheel, main shaft and braked wheel or ratchet etc. form.Elevator traction machine is the power-equipment of elevator,
Drive device obtains power from traction machine, through drive chain or conveyer belt to drive step and handrail, so as to realize staircase
Autokinetic movement.
Using escalator, seriously overload causes motor torque deficiency to cause reverse, drive device and step to the present invention
Phenomena such as skidding can cause to reverse, occurs for the belt that the driving between sprocket wheel uses, and artificially simulates controllable overload and forms hypervelocity
And reverse.
Simulation loading method is exactly in transmitting procedure is driven, and artificially increases controllable resistance or power, produces controllable surpass
Carry, make escalator produce during up reverse and be descending during produce hypervelocity.Speed is carried out by speed measuring device simultaneously
Measure and record the speed and braking distance and reversal protection actuation time and speed when exceeding the speed limit stop.
The escalator hypervelocity and reverse detection means principle of the present invention is as shown in figure 1, by simulation load generator, displacement
The parts such as sensor, the single device of ARM processing, memory, touch-screen, external memorizer form, and simulation load generator is by slowing down
Motor and simulation loading drive wheel group into.The power of the traction machine of escalator mainly have two big gear, 11KW and 22KW. in order to
Ensure simulation load generator small in volume it is necessary to use the motor of the high speed reducing ratio of high speed to reach the effect of simulation.
The implementation method of simulation loading has two kinds, and one kind is hard friction, by simulation loading driving wheel and left and right handrail,
Step directly contacts, and is formed and overloaded by frictional force；Another kind uses gear, by engaged gears, directly applies step transmission
Overload is directly formed on chain, handrail conveyer chain.Step transfer chain is between the drive sprocket and ladder sprocket wheel of escalator driving device
Chain, handrail conveyer chain for escalator driving device drive sprocket and handrail driving chain wheel between chain.
Simulation load generator can use all the way, using all the way when, be applied on its fiery conveyer chain of step, with actual super
The situation of load meets.Preferably three tunnels, the handrail conveyer chain and middle step transfer chain of both sides apply simultaneously.
Displacement transducer can be that single channel can also be three tunnels, for detect left and right handrail and step traffic direction,
Acceleration-deceleration and speed and braking distance.
Center processing unit is the core of device, main data acquisition, data processing, display, storage, printing
Etc. task.
Overspeed detection flow is as shown in Figure 2：
1）Displacement transducer is arranged on the correct position of left and right handrail or step；
3）Load generator is fixed, at the same make load generator driving wheel be fixed on left and right handrail or escalator its
He is transmitted in link；
3）Escalator is got to key descending, operation cuts off traction electromechanical source to traveling at the uniform speed, and cut-out traction electromechanical source is
In order to protect traction machine, machine shaft in test process is in free state, meet ordinary accident scene traction machine failure work
Condition；
4）Determine that the traffic direction of load generator starts load generator, adjust the speed of load generator simulation loading driving wheel
Degree, until escalator hypervelocity is automatically stopped；The change procedure of writing speed and mark escalator hypervelocity act when speed
And braking distance.
5）Detection data can generate detection curve, provide intuitively testing result, the original number of testing result and collection
According to being stored in internal storage.These data can repeatedly be checked, printed, can also imported into computer preserved,
Check, formation curve, analyzed.
Anti-reverse testing process is as shown in Figure 3：
1）Displacement transducer is arranged on the correct position of left and right handrail or step；
2）Load generator is fixed, while the driving wheel of load generator is fixed on the biography of left and right handrail or escalator
Send and take；
3）Escalator is got to key up, operation cuts off traction machine driving power to traveling at the uniform speed, and cut-out traction is electromechanical
Source is to protect traction machine, machine shaft in test process is in free state, meets ordinary accident scene traction machine and loses
Imitate operating mode；
4）Determine that the traffic direction of load generator starts load generator, adjust the speed of load generator simulation loading driving wheel
Degree, until escalator anti-reverse protection act staircase is automatically stopped；The change procedure of writing speed simultaneously marks escalator to prevent
Speed and braking distance when reversal protection acts
5）Detection data can generate detection curve, provide intuitively testing result, and the initial data of testing result and collection is protected
Exist in internal storage.These data can repeatedly be checked, printed, can also imported into computer preserved, checked,
Formation curve, analyzed.
Conventional parameter overhaul flow chart is as shown in Figure 4：
1）Displacement transducer is arranged on the correct position of left and right handrail or step；
2）Start measurement；
3）Start escalator operation-travel at the uniform speed-out of service, record measurement data in this process, display speed and
Displacement etc.；
4）Stop measuring, all data in the measurement process for recording and preserving, carry out data processing, provide testing result.Inspection
Survey the velocity deviation of left and right handrail and step of the result when mainly being traveled at the uniform speed including escalator, the actual speed of step with
The deviation of normal speed；Braking distance opened when braking acceleration-deceleration and uniform motion of escalator etc..These are all automatic
The conventional detection project of staircase.
The present invention is described by embodiment, and those skilled in the art know, is not departing from the spirit of the present invention
In the case of scope, various changes or equivalence replacement can be carried out to these features and embodiment.In addition, in the religion of the present invention
Lead down, these features and embodiment can be modified to adapt to the essence of particular situation and material without departing from the present invention
God and scope.Therefore, the present invention is not limited to the particular embodiment disclosed, and falls with claims hereof
In the range of embodiment belong to protection scope of the present invention.
Claims (7)
1. escalator exceeds the speed limit and reverse detection means, it is characterised in that：Including simulation load generator, displacement transducer and in
Heart processing unit, displacement transducer and simulation load generator connect center processing unit, displacement transducer be installed on step or
On handrail；Simulation load generator is by driving power, reducing motor and simulation loading drive wheel group into reducing motor connects mould
Intend load driver wheel, simulation loading driving wheel contacts installation with step, handrail or nibbled with step transfer chain, handrail conveyer chain
Close installation.
2. escalator hypervelocity according to claim 1 and reverse detection means, it is characterised in that：The center processing list
Member includes arm processor, the memory being connected with arm processor and USB flash disk interface module, arm processor connection touch-screen.
3. escalator hypervelocity according to claim 1 and reverse detection means, it is characterised in that：Institute's displacement sensors
For No. 1 displacement transducer or No. 3 displacement transducers, No. 1 sensor is installed on step, and No. 3 displacement transducers are then wherein all the way
It is installed on step, another two-way is installed on the handrail of both sides.
4. escalator hypervelocity according to claim 1 and reverse detection means, it is characterised in that：The simulation load hair
Raw device is 1 tunnel or 3 tunnels, and 1 road simulation load generator is installed on step, and then wherein 1 tunnel is installed on 3 road simulation load generators
On step, another 2 tunnel is installed on the handrail of both sides；Simulation loading driving wheel is horizontal sliding wheel or gear, horizontal sliding wheel and step or is helped
Hand strap contact installation, gear engage installation with step transfer chain, handrail conveyer chain.
5. escalator exceeds the speed limit and reverse detection method, it is characterised in that：Comprise the following steps：
A, displacement transducer is arranged on left and right handrail or step, displacement transducer connection center processing unit；
Simulation load generator, simulation load generator connection center processing unit, the simulation of simulation load generator are installed b,
Load driver wheel contacts installation with step, handrail or engages installation with step transfer chain, handrail conveyer chain；
C, escalator is got into downlink or uplink, operation cuts off traction machine driving power to traveling at the uniform speed；
D, the traffic direction of load generator is determined, starts load generator, adjustment load generator simulation loading driving wheel
Speed, until escalator overspeed protection or anti-reverse rotation protection are worked and be automatically stopped；
E, the speed when speed during action of displacement transducer detection escalator hypervelocity, braking distance or anti-reverse protection act
And braking distance, it is sent to center processing unit analysis and storage.
6. escalator hypervelocity according to claim 5 and reverse detection method, it is characterised in that：In the step a, position
Displacement sensor is No. 1 displacement transducer or No. 3 displacement transducers, and No. 1 sensor is installed on step, in No. 3 displacement transducers
It is installed on all the way on step, another two-way is installed on the handrail of both sides.
7. escalator hypervelocity according to claim 5 and reverse detection method, it is characterised in that：In the step b, mould
It is 1 tunnel or 3 tunnels to intend load generator, and 1 road simulation load generator is installed on step, and 1 tunnel is pacified in 3 road simulation load generators
Loaded on step, another 2 tunnel is installed on the handrail of both sides；Simulation loading driving wheel is horizontal sliding wheel or gear, horizontal sliding wheel and step
Or handrail contact installation, gear engage installation with step transfer chain, handrail conveyer chain.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186281.4A CN107826955A (en) | 2017-11-24 | 2017-11-24 | Escalator exceeds the speed limit and reverse detection means and method |
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| CN201711186281.4A CN107826955A (en) | 2017-11-24 | 2017-11-24 | Escalator exceeds the speed limit and reverse detection means and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957189A (en) * | 2018-07-19 | 2018-12-07 | 河南省特种设备安全检测研究院 | The detection experimental rig and method of the non-operating reversed defencive function of escalator |
| CN109292572A (en) * | 2018-11-27 | 2019-02-01 | 苏州市职业大学 | A kind of device of quick detection escalator main shaft and the handrail axis depth of parallelism |
| CN112320552A (en) * | 2020-11-13 | 2021-02-05 | 厦门市特种设备检验检测院 | Overspeed protection device for escalator |
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| CN103395680A (en) * | 2013-08-13 | 2013-11-20 | 深圳市特种设备安全检验研究院 | Method for testing braking capacity of escalator and/or moving pavement |
| CN104340833A (en) * | 2014-10-22 | 2015-02-11 | 安徽省特种设备检测院 | Three-path speed synchronous-detection method for escalator/moving walk |
| CN104528507A (en) * | 2014-12-26 | 2015-04-22 | 广东省特种设备检测研究院珠海检测院 | Comprehensive detection system and method for escalator |
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| CN106185589A (en) * | 2016-08-29 | 2016-12-07 | 阮晖 | The test device and method of escalator/moving sidewalk handrails tape speed deviation protection |
| CN207511663U (en) * | 2017-11-24 | 2018-06-19 | 大连欧意测量仪器有限公司 | Escalator exceeds the speed limit and reverse detection device |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103395680A (en) * | 2013-08-13 | 2013-11-20 | 深圳市特种设备安全检验研究院 | Method for testing braking capacity of escalator and/or moving pavement |
| CN104340833A (en) * | 2014-10-22 | 2015-02-11 | 安徽省特种设备检测院 | Three-path speed synchronous-detection method for escalator/moving walk |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957189A (en) * | 2018-07-19 | 2018-12-07 | 河南省特种设备安全检测研究院 | The detection experimental rig and method of the non-operating reversed defencive function of escalator |
| CN108957189B (en) * | 2018-07-19 | 2020-06-23 | 河南省特种设备安全检测研究院 | Detection test device and method for non-operation reverse rotation protection function of escalator |
| CN109292572A (en) * | 2018-11-27 | 2019-02-01 | 苏州市职业大学 | A kind of device of quick detection escalator main shaft and the handrail axis depth of parallelism |
| CN109292572B (en) * | 2018-11-27 | 2024-03-26 | 苏州市职业大学 | Device for rapidly detecting parallelism of main shaft and handrail shaft of escalator |
| CN112320552A (en) * | 2020-11-13 | 2021-02-05 | 厦门市特种设备检验检测院 | Overspeed protection device for escalator |
| CN112320552B (en) * | 2020-11-13 | 2022-04-19 | 厦门市特种设备检验检测院 | Overspeed protection device for escalator |
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