JP2016055980A - Deterioration diagnosis device of moving handrail for passenger conveyor - Google Patents

Deterioration diagnosis device of moving handrail for passenger conveyor Download PDF

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JP2016055980A
JP2016055980A JP2014183330A JP2014183330A JP2016055980A JP 2016055980 A JP2016055980 A JP 2016055980A JP 2014183330 A JP2014183330 A JP 2014183330A JP 2014183330 A JP2014183330 A JP 2014183330A JP 2016055980 A JP2016055980 A JP 2016055980A
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radiation
sensor
moving handrail
box
opening
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JP6204892B2 (en
JP2016055980A5 (en
Inventor
法美 小平
Norimi Kodaira
法美 小平
友治 大西
Tomoji Onishi
友治 大西
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株式会社日立ビルシステム
Hitachi Building Systems Co Ltd
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Abstract

Disclosed is a mobile handrail deterioration diagnosis device for passenger conveyors that can prevent unnecessary irradiation of radiation properly in an open state even when an openable box structure is adopted, and has sufficient safety measures. In this moving handrail deterioration diagnosis device S, a line sensor in a radiation receiving part of a radiation device 4 that obtains a transmission image with a moving handrail 2 of an escalator 100 sandwiched therebetween is placed on an outer opening side in a state where a box is opened. By covering and separating the surrounding sensors with a cylindrical light-shielding member except for the one opening side 1 sensor positioned, one sensor is used for detecting external light in the open state of the box. The sensor is used for transmission detection at the time of radiation irradiation in the closed state of the box, and in the radiation control device 5, the detection level at the time of detecting external light in the open state of the box by one sensor has a predetermined threshold value. Since it has a function to stop the radiation irradiation at the radiation generating part of the radiation device 4 when it exceeds, the irradiation of the radiation is automatically stopped when the box is opened and external light enters. [Selection] Figure 2

Description

  The present invention relates to a moving handrail deterioration diagnosis device for a passenger conveyor that diagnoses deterioration (including damage and internal deterioration) of a moving handrail provided in a passenger conveyor such as an escalator and a moving pavement.

  Conventionally, known techniques for diagnosing the deterioration of this type of passenger conveyor moving handrail include, for example, “passenger conveyor moving handrail deterioration that is easy to install and can also prevent radiation leakage. Diagnostic device "(see Patent Document 1).

Japanese Patent No. 5221588

  The technology described in Patent Document 1 described above irradiates radiation so that internal deterioration of a moving handrail can be diagnosed as a basic configuration of a radiation apparatus that obtains a transmission image with the moving handrail as a main part of the moving handrail deterioration diagnosis apparatus. A combination of a housing (radiation generator) that contains a light source and a housing (radiation light receiving unit) that covers the portion of the moving handrail that covers the part of the moving handrail that is irradiated with light emitted from the light source and is imaged by the imaging unit Although the box structure of the type is adopted, safety measures to prevent unnecessary irradiation of radiation when the box is opened with the power turned on is not considered in such a structure There is a problem that safety measures at the time of radiation irradiation are insufficient.

  The present invention was made to solve such problems, the technical problem is that even if an openable box structure is adopted, it is possible to prevent unnecessary irradiation of radiation accurately in the open state, An object of the present invention is to provide a moving handrail deterioration diagnosis device for passenger conveyors with sufficient safety measures.

  In order to solve the above technical problem, the basic configuration of the present invention has an openable box structure in which a housing having a radiation generating portion therein and a housing covering the radiation receiving portion are combined. A radiation device that irradiates and transmits the radiation generated by the radiation generating unit across the moving handrail provided on the passenger conveyor between the bodies and transmits the radiation to the sandwiched portion of the moving handrail, and the radiation And a radiation control device for controlling the radiation dose at the generator, the line sensor comprising a plurality of sensors provided in the radiation receiver is arranged to open the box. The light-shielding member formed in a cylindrical shape having an opening on the upper surface around the other sensor so that the light-receiving sensitivity of one sensor located on the outer opening side in the state changes with respect to the other sensor Cover and separate Thus, the opening side 1 sensor is divided into functions for detecting outside light in the open state of the box body, and the other part sensor is divided for detecting transmission during radiation irradiation. It has a function of stopping radiation irradiation at the radiation generation unit when the detection level at the time of external light detection in the open state of the box by the side 1 sensor exceeds a predetermined threshold value.

  According to the moving handrail deterioration diagnosis device for passenger conveyors of the present invention, the above configuration can prevent unnecessary irradiation of radiation properly in an open state even when an openable box structure is adopted, and sufficient safety measures are provided. Will be given. Problems, configurations, and effects other than those described above will be clarified by the following description of embodiments.

It is the external appearance perspective view which showed the principal part of the escalator which is a general purpose example of the passenger conveyor to which the moving handrail degradation diagnostic apparatus for passenger conveyors based on the Example of this invention is applied. It is the external appearance perspective view which showed the whole structure of the moving handrail degradation diagnostic apparatus for passenger conveyors based on the Example for carrying out deterioration diagnosis for the moving handrail of the escalator shown in FIG. It is the side view which showed the external appearance of the radiation apparatus of the opening-and-closing type box structure of the principal part with which the moving handrail degradation diagnostic apparatus for passenger conveyors shown in FIG. FIG. 4 is a side view showing the internal structure of the radiation apparatus shown in FIG. 3 in a transparent manner. It is the figure which showed the mode of the exposed part of a radiation generation part when the box of the radiation apparatus shown in FIG. 3 was made into an open state. It is the figure which showed partially the mode of the exposed part of the radiation light-receiving part when the box of the radiation apparatus shown in FIG. 3 was made into an open state. It is the external view which showed the state which pinched | interposed the moving handrail of the escalator between the housing | casing of the radiation apparatus shown in FIG.

  Below, an Example is given and the movement handrail deterioration diagnostic apparatus for passenger conveyors of this invention is demonstrated in detail with reference to drawings.

  FIG. 1 is an external perspective view showing a main part of an escalator 100 that is a general-purpose example of a passenger conveyor to which a passenger handrail deterioration diagnosis device for passenger conveyor according to an embodiment of the present invention is applied.

  Referring to FIG. 1, the escalator 100 includes a plurality of steps 1 that are connected to each other, circulate in a step-like manner in a midway, and move between the entrances and exits. The balustrade 3 provided on both sides of the step 1 in parallel with the moving direction of the step 1 and the balustrade 3 provided on both sides of the step 1 so as to circulate along the balustrade 3 and circulate in conjunction with the step 1 And a pair of moving handrails 2 that move in the same direction as the traveling direction of the step 1.

  Of these, the moving handrail 2 moves in synchronization with the traveling direction of the step 1 on the upper side of the balustrade 3 and moves downward in an arc shape when reaching one end of the balustrade 3 in an upside down state. Pulled into the deck 1a equipped with a skirt guard, etc., and further through the deck 1a to the other end on the opposite side of the balustrade 3, it goes out of the deck 1a to the outside in an upside-down state and upwards in an arc shape A cycle of moving and returning to the upper side of the balustrade 3 is performed. Incidentally, in the deck 1a, a driving device (not shown) for driving the movable handrail 2 is provided as is well known.

  FIG. 2 is an external perspective view showing the overall configuration of a passenger conveyor moving handrail deterioration diagnosis device S according to an embodiment for performing deterioration diagnosis on the moving handrail 2 of the escalator 100 described above.

  Referring to FIG. 2, this moving handrail deterioration diagnosis device S has an openable box structure in which a housing having a radiation generating portion therein and a housing covering the radiation receiving portion are combined. A radiation device 4 that obtains a transmission image by the radiation receiving unit by irradiating and transmitting radiation such as X-rays generated by the radiation generating unit with the moving handrail 2 provided in the escalator 100 between the radiations. And a radiation control device 5 for controlling the radiation dose at the radiation generation unit, and setting and operating the information related to the control of the radiation dose at the radiation control device 5, and a transmission image obtained by the radiation light receiving unit The terminal device 6 is a personal computer PC to be displayed, and is connected to the radiation device 4 by a connecting plate 8 and includes a moving distance measuring device 7 that measures the moving distance of the moving handrail 2.

  Among these, the radiation control device 5 controls the radiation dose in the radiation generation unit of the radiation device 4 and has a function of executing a nondestructive inspection. In addition, the radiation control device 5 is connected to the terminal device 6 and receives radiation from the radiation device 4. Image data of a transmission image captured by the light receiving unit can be sent to the terminal device 6 and displayed on the display unit (display). That is, the radiation apparatus 4 here applies a non-destructive inspection method that can inspect internal defects without destroying materials and members, and utilizes the property that X-rays pass through a substance, so that it can be inspected. The image data of the transmitted image transmitted by irradiating the local part of the moving handrail 2 of the escalator 100 with X-rays is captured and the state of the image displayed on the display unit of the terminal device 6 is observed. Etc. and the size and the like can be determined. At this time, in order to determine the size and properties of the defective portion from the state of the image, it is necessary to capture high-quality image data. Since the inspection itself using the non-destructive inspection method using X-rays can be applied as it is, including the case where the terminal device 6 is used, detailed description thereof is omitted. Even if the inspection itself does not depend on the determination of displaying the inspection image on the display unit of the terminal device 6, it is possible for a skilled inspector to determine the flaw detection result.

  FIG. 3 is a side view showing an external appearance of the radiation device 4 having an openable / closable box structure as a main part provided in the above-described moving handrail deterioration diagnosis device S.

  Referring to FIG. 3, the radiation device 4 here is an openable box structure in which a housing having a radiation generating unit 9 and a housing covering the radiation receiving unit 10 are combined in appearance. In addition to having a portable handle, a pair of snap locks 11a, 11b are provided at predetermined intervals on the side surface so as to straddle the housing of the radiation generating unit 9 and the housing of the radiation receiving unit 10, and a box When these snap locks 11a and 11b are locked in a closed state, radiation (X-rays) does not leak.

  FIG. 4 is a side view showing the internal structure of the radiation device 4 in a transparent manner. Referring to FIG. 4, as the internal structure of the radiation apparatus 4, the housing of the radiation generation unit 9 includes a radiation tube 12 and a slit for irradiating radiation (X-rays) from the radiation tube 12 in a thin beam shape. 13. On the other hand, the housing of the radiation receiving unit 10 includes a line sensor 14 in which a plurality of sensors are arranged inside. As a feature of the embodiment, the outer side of the line sensor 14 in the open state of the box body is provided. The one side sensor on the opening side (to be described in detail later) is a light shield that is formed in a cylindrical shape having an opening on the upper surface around the other sensor so as to change the light receiving sensitivity with respect to the other sensor. It is separated by covering with lead rubber 15 as a member. Here, the other sensor in the line sensor 14 and the lead rubber 15 are both fixed to the housing of the radiation receiving unit 10 by using an attachment member 16.

  FIG. 5 is a view showing a state of an exposed portion of the radiation generating unit 9 when the box of the radiation device 4 is opened. Referring to FIG. 5, the slit 13 in the housing of the radiation generator 9 is shown being provided at a substantially central portion.

  FIG. 6 is a partial perspective view of the exposed portion of the radiation receiving unit 10 when the box of the radiation device 4 is opened. Referring to FIG. 6, the line sensor 14 of the radiation device 4 is the other part except for one opening side 1 sensor 17 positioned on the outer opening side (patching locks 11 a and 11 b) in the opened state of the box. The sensor is covered and separated by a cylindrical lead rubber 15, and the opening side 1 sensor is used for detection of external light when the box is open, and the other sensors are used for transmission detection during radiation irradiation. Has been.

  FIG. 7 is an external view showing a state in which the moving handrail 2 of the escalator is sandwiched between the housings of the radiation device 4.

  Referring to FIG. 7, the radiation device 4 of the moving handrail deterioration diagnosis device S according to the embodiment removes the moving handrail 2 from the moving handrail guide installed on the balustrade 3, and the housing of the radiation generation unit 9 in the radiation device 4. The local part of the moving handrail 2 is sandwiched between the housing and the housing of the radiation light receiving unit 10 to inspect by radiation. At this time, the worker moves up and down the step 1 to move the radiation device 4. If the well-known functional configuration described with reference to FIG. 2 is maintained, safety measures for preventing unnecessary irradiation of radiation from the radiation generation unit 9 are not considered when each housing is opened. Safety measures at the time of radiation irradiation are insufficient.

  Therefore, in the moving handrail deterioration diagnosis apparatus S according to the embodiment, one opening-side 1 sensor 17 positioned on the outer opening side in the open state of the box body of the line sensor 14 in the radiation receiving unit 10 of the radiation apparatus 4. Since the surroundings of the other sensors except for are covered and separated by lead rubber 15 which is a cylindrical light shielding member, the opening side 1 sensor 17 is used for detecting external light when the box is open. In the closed state of the box body and the function for detecting transmission during radiation irradiation when the snap locks 11a and 11b are locked, the radiation control device 5 uses the opening side 1 sensor 17 to When the detection level at the time of detecting external light in the open state exceeds a predetermined threshold (the output luminance of the opening side 1 sensor 17 is higher than that of the other sensors of the line sensor 14), the radiation generation unit 9 Stop the irradiation It has a function. As a result, the opening side 1 sensor 17 detects that the box has been opened and external light has entered, and is automatically detected when the radiation control device 5 recognizes that the detection level has exceeded a predetermined threshold. In addition, the function of stopping radiation irradiation at the radiation generating unit 9 is obtained. Thereby, according to the moving handrail deterioration diagnosis apparatus S according to the embodiment, even if an openable box structure is adopted, unnecessary irradiation of radiation can be prevented accurately in an open state, and safety measures are sufficiently taken. Become so. Incidentally, the terminal device 6 can set information related to the control of the irradiation amount in the radiation control device 5 according to an operation instruction, and can also change a set value of a predetermined threshold for the detection level.

  In addition, in the moving handrail deterioration diagnostic apparatus S for passenger conveyors which concerns on the Example mentioned above, although the case where a passenger conveyor was used as the escalator 100 and the moving handrail deterioration diagnostic apparatus S was applied was demonstrated, in addition to the escalator 100, a plurality of steps 1 The present invention can be similarly applied to a moving sidewalk having a structure in which a halfway portion does not form a step shape and is maintained flat. Thus, since the moving handrail deterioration diagnostic apparatus for passenger conveyors of this invention is applicable also in other embodiment, it is not limited to the form disclosed in the Example.

1 Step 1a Deck 2 Moving Handrail 3 Railing 4 Radiation Device 5 Radiation Control Device 6 Terminal Device (Personal Computer PC)
DESCRIPTION OF SYMBOLS 7 Movement distance measuring apparatus 8 Connecting plate 9 Radiation generation part 10 Radiation light-receiving part 11a, 11b A snap lock 12 Radiation tube 13 Slit 14 Line sensor 15 Box-shaped lead rubber 16 Mounting member 17 Opening side 1 sensor 100 Escalator S Moving handrail deterioration diagnostic apparatus

Claims (4)

  1. It has an openable box structure in which a housing having a radiation generating portion inside and a housing covering the radiation receiving portion are combined, and the radiation is sandwiched between a moving handrail provided on a passenger conveyor between the housings. A radiation device that irradiates and transmits the radiation generated by the generator to the sandwiched portion of the moving handrail and obtains a transmission image by the radiation receiver, and a radiation control device that controls the radiation dose at the radiation generator In the moving handrail deterioration diagnostic device for passenger conveyors,
    The line sensor in which the plurality of sensors included in the radiation light receiving unit are arranged has a light receiving sensitivity with respect to the other sensor of one opening side one sensor positioned on the outer opening side in the opened state of the box body. By covering and separating the periphery of the other part sensor with a light-shielding member formed in a cylindrical shape having an opening on the upper surface so as to change, the opening side 1 sensor is for detecting external light when the box is open The other part sensor is divided into functions for transmission detection at the time of irradiation of the radiation,
    The radiation control device has a function of stopping radiation irradiation at the radiation generating unit when a detection level at the time of detecting external light in the open state of the box body by the opening side 1 sensor exceeds a predetermined threshold value. A moving handrail deterioration diagnostic apparatus for passenger conveyors, characterized in that it has.
  2. In the moving handrail deterioration diagnostic apparatus for passenger conveyor according to claim 1,
    While operating and setting information related to the control of the irradiation amount in the radiation control device, and comprising a terminal device that displays the transmission image obtained by the radiation light receiving unit,
    The terminal device can change the set value of the predetermined threshold for the detection level according to an operation instruction, the passenger handwheel deterioration diagnosis device for passenger conveyors.
  3. In the moving handrail deterioration diagnostic apparatus for passenger conveyors according to claim 1 or 2,
    The other hand sensor in the line sensor, and the light shielding member are fixed to the radiation receiving part using an attachment member.
  4.   The moving handrail deterioration diagnostic device for passenger conveyor according to any one of claims 1 to 3, wherein the light shielding member is lead rubber.
JP2014183330A 2014-09-09 2014-09-09 Moving handrail deterioration diagnosis device for passenger conveyor Active JP6204892B2 (en)

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JP2014183330A JP6204892B2 (en) 2014-09-09 2014-09-09 Moving handrail deterioration diagnosis device for passenger conveyor

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JP2014183330A JP6204892B2 (en) 2014-09-09 2014-09-09 Moving handrail deterioration diagnosis device for passenger conveyor
CN201510084922.XA CN105984803A (en) 2014-09-09 2015-02-16 Deterioration diagnosis device of moving handrail for passenger conveyor

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JP2016055980A5 JP2016055980A5 (en) 2016-08-25
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CN108296192B (en) * 2018-01-31 2019-08-23 池云飞 A kind of application method of folding cleaning device

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JPH09110359A (en) * 1995-10-12 1997-04-28 Hitachi Building Syst Co Ltd Leakage sensitive x-ray radiographic flaw detector
JP2005114740A (en) * 2004-12-20 2005-04-28 Shimadzu Corp X-ray foreign substance inspection apparatus
JP2010085224A (en) * 2008-09-30 2010-04-15 Anritsu Sanki System Co Ltd X-ray inspecting device
JP3162221U (en) * 2010-06-02 2010-08-26 豊 平間 X-ray diagnostic equipment
JP2013234044A (en) * 2012-05-09 2013-11-21 Hitachi Building Systems Co Ltd Movable handrail deterioration diagnosis device and deterioration diagnosis method
JP2014012577A (en) * 2012-07-04 2014-01-23 Hitachi Building Systems Co Ltd Moving handrail flaw detection device for passenger conveyor
JP2014152001A (en) * 2013-02-07 2014-08-25 Hitachi Building Systems Co Ltd Flaw detection device for moving handrail of passenger conveyor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5221588B2 (en) * 2010-04-13 2013-06-26 株式会社日立ビルシステム Deterioration diagnosis device for moving handrails of passenger conveyors
JP5286331B2 (en) * 2010-07-12 2013-09-11 株式会社日立製作所 Passenger conveyor handrail inspection device and passenger conveyor maintenance method
JP2013250072A (en) * 2012-05-30 2013-12-12 Shimadzu Corp X-ray inspection apparatus
CN103808741A (en) * 2014-03-07 2014-05-21 黄善花 Luggage security check machine and check method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09110359A (en) * 1995-10-12 1997-04-28 Hitachi Building Syst Co Ltd Leakage sensitive x-ray radiographic flaw detector
JP2005114740A (en) * 2004-12-20 2005-04-28 Shimadzu Corp X-ray foreign substance inspection apparatus
JP2010085224A (en) * 2008-09-30 2010-04-15 Anritsu Sanki System Co Ltd X-ray inspecting device
JP3162221U (en) * 2010-06-02 2010-08-26 豊 平間 X-ray diagnostic equipment
JP2013234044A (en) * 2012-05-09 2013-11-21 Hitachi Building Systems Co Ltd Movable handrail deterioration diagnosis device and deterioration diagnosis method
JP2014012577A (en) * 2012-07-04 2014-01-23 Hitachi Building Systems Co Ltd Moving handrail flaw detection device for passenger conveyor
JP2014152001A (en) * 2013-02-07 2014-08-25 Hitachi Building Systems Co Ltd Flaw detection device for moving handrail of passenger conveyor

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CN105984803A (en) 2016-10-05

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