JP2005219828A - Man conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust removing device at an entrance of a man conveyor capable of preventing dust and trash on steps from remaining in the vicinity of a comb at the entrance. <P>SOLUTION: This dust removing device at the entrance of the man conveyor is provided with an air stream supply means for supplying air stream flowing onto a getting-on-and-off plate through the comb from above the step at the entrance of the man conveyor to move dust in the vicinity of the comb onto the getting-on-and-off plate and a first control means for controlling operation of the air stream supply means. Since dust and trash remaining in the vicinity of the comb at the entrance of the man conveyor are moved onto the getting-on-and-off plate by supplying air stream flowing onto the getting-on-and-off plate through the comb from above the step, it is possible to securely prevent these dust and trash from being gradually deposited in the vicinity of the comb and prevent them from intruding into the inside of a machine room. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an apparatus for removing dust, dirt, and the like remaining at an entrance / exit of a man conveyor such as an escalator and a moving walkway, and more specifically, by supplying an air flow flowing from a step side to a boarding / exiting plate side. It is related with the technology which moves and removes dust, garbage, etc. to the boarding board side.

  Conventionally, in the escalator 1 and the man conveyor such as a moving sidewalk shown in FIG. 11, a number of steps (steps) 2 connected endlessly by a drive chain are caused to travel and stand on both left and right sides of these steps 2. The handrail 4 provided on the outer periphery of the balustrade 3 provided is moved in synchronization with step 2 so that, for example, passengers boarded from the lower floor entrance 5L are conveyed to the upper floor entrance 5U. .

  In addition, in order to prevent passengers on the step 2 from getting off the step 2 at the entrances 5U and 5L, it is possible to prevent the passenger from getting caught on the boarding / alighting plate 5a or putting a toe between the step 2 and the boarding / alighting plate 5a. Combs 6U and 6L are provided at the ends of the boarding / alighting plate 5a.

  As shown in FIG. 12, the combs 6U and 6L have comb teeth 6a at their tips, and mesh with the comb-shaped cleats 2a provided on the upper surface of the step 2, thereby allowing passengers on the step 2 The feet and foreign objects are scooped up on the board 5a.

  By the way, in the combs 6U and 6L, various dusts dropped by the passengers on the step 2 on the cleat 2a, lint of clothes, hairs, cotton dust, and the like are caught and accumulated, and gradually accumulate.

  Then, by the continuous movement of step 2, such dust and garbage are pushed into the combs 6U and 6L and gradually crushed, and when they enter the machine room 7, they adhere to the equipment inside the machine room 7. Cause a failure.

  Therefore, conventionally, dust, dust, and the like have been removed by pressing a brush against the cleat 2a in step 2 or blowing air inside the machine room 7 (see, for example, Patent Document 1).

  Moreover, while providing a ventilation means in the inside of the machine room 7, the intrusion prevention wind which flows in the direction opposite to the direction in which step 2 proceeds is supplied from this blowing means, and the comb teeth 6a of the combs 6U and 6L and the step 2 In some cases, dust, dust, or the like is prevented from entering the inside of the machine room 7 by passing through the gap between the cleat 2a (see Patent Document 2).

  Furthermore, there is also a type in which dust is prevented from entering the truss by flowing compressed air upward from the gap between Step 2 and the skirt guard standing on the left and right (patent) Reference 3).

In addition, there is also provided an apparatus that blows air in order to dry the step in a short time after the escalator is cleaned and eliminate the unevenness of the finish (see Patent Document 4).
JP-A-4-317991 JP 2001-48460 A Japanese Utility Model Publication No. 1-72582 JP 2000-198661 A

  However, in the case of collecting and removing dust, garbage, etc. inside the machine room 7 as described in the above-mentioned Patent Document 1, etc., it is possible to prevent the dust, garbage, etc. from entering the machine room 7. I can't. Further, fine dust or the like rises with the collection and removal work inside the machine room 7, and there is a risk of promoting adhesion to the equipment.

  Further, as described in the above-mentioned Patent Document 2, an intrusion prevention wind that flows from the inside to the outside of the machine room 7 through the gap between the combs 6U, 6L and the cleat 2a Although dust and the like can be prevented from entering the inside of the machine room 7, the blown-off dust, garbage, and the like approach the combs 6U and 6L again as the step 2 moves, and the vicinity of the combs 6U and 6L. Dust and debris etc. accumulate and accumulate gradually.

  Furthermore, as described in the above-mentioned Patent Document 3, the flow of the compressed air upward from the gap between the step 2 and the skirt guard causes retention of dust, garbage, etc. in the vicinity of the combs 6U, 6L. It cannot be resolved.

  In addition, the device described in Patent Document 4 blows air from the entrance / exit side to the step side after cleaning the escalator, and does not remove the dust in the vicinity of the comb by moving it on the entrance / exit plate. .

  Therefore, the object of the present invention is to solve the above-mentioned problems of the prior art and prevent the dust and garbage dropped on the step by the passenger of the man conveyor from staying near the comb at the entrance and exit and gradually accumulating. An object of the present invention is to provide a dust removal device for a man conveyor entrance.

  The means according to claim 1, which solves the above-mentioned problem, is a dust removal device for a man conveyor entrance and exit, wherein an air flow flowing from the step through the comb to the board on the board at the entrance of the man conveyor is obtained. It is characterized by comprising air flow supply means for supplying and moving dust in the vicinity of the comb onto the board and board, and first control means for controlling the operation of the air flow supply means.

  That is, the dust removing device of the present invention removes dust staying in the vicinity of the comb by the air flow flowing from the step through the comb and onto the board to the board.

  Airflow can be supplied to flow along the surfaces of the step, comb and boarding board to move the dust near the comb onto the boarding board.

  Further, when a compressor, a pressure tank containing compressed air, or the like is used as an air flow supply source, the supplied air flow can be supplied as a thin and concentrated flow at high speed.

  On the other hand, when an electric fan or the like is used as the air flow supply source, the supplied air flow can be a low-speed air flow that flows over a wide range.

  Furthermore, when the device of the present invention is operated on the side of the passenger entrance of the man conveyor where the passenger descends from the step, the air flow that naturally occurs as the passenger moves and the air flow that the device of the present invention supplies As a result, the dust near the comb can be efficiently moved to the boarding / exiting plate side.

  In addition, the first control means can control the continuous operation and intermittent operation of the air flow supply means, the strength of the supplied air flow, and the like as necessary.

  According to a second aspect of the present invention, in the dust removal device for the man conveyor entrance and exit described in the first aspect, the air flow supply means includes an air flow outlet provided on the skirt guard on the side of the step. It is characterized by supplying the air flow through.

  As a result, not only can the air flow flowing toward the comb be efficiently supplied, but also the piping and nozzles for supplying the air flow, and each driving mechanism and control means described later are disposed inside the skirt guard. Therefore, it is possible to remove dust or the like in the vicinity of the comb without impairing the design and appearance of the man conveyor entrance.

  The plurality of air flow outlets can be arranged side by side in the moving direction of the step, or can be arranged side by side in the height direction perpendicular to the surface of the step.

  Moreover, when arrange | positioning several airflow blower outlets, the strength of the airflow supplied from each airflow blower outlet, an air volume, and a wind direction can be varied.

  According to a third aspect of the present invention, there is provided the dust removal apparatus for the man conveyor entrance and exit according to the second aspect, wherein the air outlet is directed toward the comb in a direction perpendicular to the moving direction of the step. A first airflow outlet for supplying an airflow; and a second airflow outlet for supplying an airflow toward the boarding / exiting plate from a position farther from the boarding / exiting plate than the first airflowing outlet It is characterized by having.

  That is, since the air flow blown out from the first air flow outlet flows in a direction perpendicular to the moving direction of the step, the dust in the vicinity of the comb can be raised without being pushed into the inside of the comb.

  And since the airflow which blows off from the 2nd airflow blower outlet flows to the boarding / alighting board side, the dust which soared in the vicinity of a comb can be reliably moved to the boarding / alighting board side, and can be removed.

  According to a fourth aspect of the present invention, in the dust removal device for a man conveyor entry / exit according to any one of the first to third aspects, the first control unit is configured to perform the air flow according to a predetermined time schedule. It is characterized by controlling the operation of the supply means.

  As a result, for example, in a man conveyor provided in a department store or the like, a strong air flow using compressed air is supplied during a cleaning time zone before opening a store to blow away dust etc. remaining in the vicinity of the comb and during business hours. It is possible to control such that a weak air flow is supplied by using an electric fan and cotton dust or the like on the step is pushed onto the boarding board.

  According to a fifth aspect of the present invention, the dust removal device for the man conveyor entrance according to any one of the first to fourth aspects further includes a passenger detection sensor for detecting the approach of the passenger to the entrance. The first control means stops the operation of the air flow supply means when the passenger detection sensor detects the approach of a passenger.

  Thereby, when a passenger approaches or passes through the entrance / exit, it is possible to prevent an air flow from being blown toward the passenger or to raise dust.

  A strong air flow is supplied when there are no passengers, but a weak air flow is supplied when the passenger approaches or passes through the entrance to assist the air flow that occurs naturally as the passenger moves. An air flow can also be supplied to facilitate the movement of the dust from the step onto the boarding board.

  According to a sixth aspect of the present invention, the dust removal device for a man conveyor entrance according to any one of the first to third aspects further includes a dust detection sensor for detecting the presence or absence of dust in the vicinity of the comb. The first control means operates the air flow supply means when the dust detection sensor detects dust.

  As a result, the air flow supply means can be operated only when dust stays in the vicinity of the comb, so that the air flow supply means can be operated efficiently.

  As the dust detection sensor, a phototube or an ultrasonic sensor can be used.

  According to a seventh aspect of the present invention, there is provided the dust removal device for a man conveyor entrance according to any one of the first to sixth aspects, wherein the air flow blowout body includes the air flow blowout port, and the air flow blowout body. It is characterized by comprising a blower swinging mechanism that swings and changes the air flow blowing direction, and second control means for controlling the operation of the blower swinging mechanism.

  Thereby, since the air flow blowing body can be swung and the air flow can be supplied uniformly over the entire width direction of the comb, the air blowout port is provided only on either the left or right skirt guard. In addition, the dust in the vicinity of the comb can be reliably moved to the boarding board side and removed.

  The air flow outlet is a nozzle provided at the tip of the compressed air supply pipe when the air flow is supplied as compressed air, and the electric fan or air flow duct when the air flow is supplied by an electric fan or the like. It can be set as the cylindrical body provided in the front-end | tip.

  And while supporting such an airflow blowing body so that rocking | fluctuation is possible, an airflow blowing body can be rock | fluctuated using actuators, such as a servomotor.

  According to a eighth aspect of the present invention, the dust removal device for the man conveyor entrance according to the seventh aspect further includes a passenger detection sensor for detecting the approach of the passenger to the entrance, and the passenger detection. When the sensor detects the approach of a passenger, the second control means controls the operation of the blowing nozzle swinging mechanism so that an air flow blows in the moving direction of the step.

  This not only prevents the airflow from being blown toward the passenger when the passenger approaches the entrance / exit of the man conveyor, but also allows the airflow to flow in the step movement direction, The air flow generated in the air and the air flow supplied by the apparatus of the present invention can be integrated, and the dust near the comb can be efficiently moved to the boarding / exiting plate side.

  According to a ninth aspect of the present invention, in the dust removal device for the man conveyor entrance according to any one of the first to eighth aspects, the opening / closing means for opening / closing the air flow outlet and the opening / closing means for opening / closing the opening / closing means. An opening / closing means driving mechanism for controlling the operation of the opening / closing means driving mechanism, and a passenger detection sensor for detecting the approach of the passenger to the entrance / exit, and the third control. When the passenger detection sensor detects the approach of the passenger, the means controls the operation of the opening / closing means driving mechanism so that the opening / closing means closes the air flow outlet.

  Thereby, when a passenger approaches the entrance / exit of the man conveyor, the air flow outlet can be closed, so that it is possible to reliably prevent the clothes of the passenger from being caught by the air flow outlet.

  Further, the means described in claim 10 moves the step and the compressor for supplying compressed air to the air flow supply means to the dust removing device at the entrance / exit of the man conveyor according to any one of claims 1 to 9. A clutch for connecting / disconnecting the rotational drive of the compressor by the drive motor, a fourth control means for controlling the operation of the clutch, and a passenger detection sensor for detecting the approach of the passenger to the entrance / exit In addition, when the passenger detection sensor does not detect the approach of a passenger, the fourth control means controls the operation of the clutch so that the drive motor rotates the compressor.

  As a result, when the number of passengers on the step is low and the load is low, the compressor can be operated using the surplus driving force of the driving motor to generate compressed air.

  Further, the means described in claim 11 is the dust removal device for the entrance / exit of the man conveyor according to 5, 8, 9 or 10, wherein the passenger detection sensor processes an image obtained by photographing the entrance / exit to approach the passenger It is characterized by the fact that it is detected.

  This makes it possible to detect the presence or absence of passengers and the moving speed of the passenger at the entrance and exit of the man conveyor and in the vicinity of the entrance and exit, thereby enabling more accurate control of the air flow supply means and the like.

  Needless to say, a phototube or a proximity sensor can be used.

  The dust removal device at the entrance / exit of the man conveyor according to the present invention supplies the air flow that flows from the step through the comb to the entrance / exit plate, so that the dust, dirt, etc. staying in the vicinity of the man conveyor entrance / exit Therefore, it is possible to reliably prevent these dusts and debris from staying in the vicinity of the comb and gradually accumulating and gradually entering the inside of the machine room.

  In particular, when the device of the present invention is operated on the side where passengers get off from the step of the man conveyor entrance, the air flow that naturally occurs as the passenger moves and the air flow supplied by the device of the present invention are: Since they are integrated, it becomes possible to efficiently move the dust, garbage, etc. staying in the vicinity of the comb to the boarding board side and remove them.

  Hereinafter, with reference to FIG. 1 thru | or FIG. 10, each embodiment of the dust removal apparatus of the man conveyor entrance which concerns on this invention is described in detail.

  In the following description, the same reference numerals are used for the same parts, and redundant descriptions are omitted, and the direction in which the step moves is defined as the front-rear direction and the horizontal direction perpendicular to the step movement direction as the left-right direction. Say direction.

1st Embodiment First, with reference to FIG. 1 thru | or FIG. 6, the dust removal apparatus of the man conveyor entrance of 1st Embodiment is demonstrated in detail.

  The escalator 1 shown in FIG. 1 travels and moves a large number of steps (steps) 2 connected endlessly by a drive chain, and is provided on the outer periphery of a balustrade 3 standing upright on both the left and right sides of these steps 2. The handrail 4 is moved in synchronism with step 2 so that, for example, a passenger who gets in from the entrance / exit 5L on the lower floor is conveyed to the entrance / exit 5U on the upper floor.

  In addition, in order to prevent passengers on the step 2 from getting off the step 2 at the entrances 5U and 5L, it is possible to prevent the passengers from getting caught on the boarding board 5a or putting the toes between the step 2 and the boarding board 5a. Combs 6U and 6L are provided at the ends of the boarding / alighting plate 5a.

  The tips of the combs 6U and 6L are comb teeth 6a similar to the escalator shown in FIG. 12, and are engaged with the comb-shaped cleats 2a provided on the upper surface of the step 2 so that the passengers on the step 2 The feet and foreign objects are scooped up on the board 5a.

  Although the dust removal device 100 for the man conveyor entrance of the first embodiment is provided at the entrance / exit 5L on the lower floor and the entrance / exit 5U on the upper floor, the structure and operation are the same. The dust removal device provided at the mouth 5U will be described in detail below, taking as an example the case where the passenger of the escalator 1 gets on the lower floor entrance 5L and gets off at the upper floor entrance 5U.

  The dust removing device 100 provided at the entrance / exit 5U on the upper floor is respectively provided through the left and right skirt guards 10L and 10R which are erected on the side of the step 2 as shown in FIGS. Window holes 11, 12, and 13.

  These window holes 11, 12, 13 are arranged at equal intervals in the front-rear direction at a height close to the top surface of step 2, combs 6 L, 6 U and boarding board 5 a in the vicinity of the entrances 5 L, 5 U and in the front-rear direction. The central window hole 12 is arranged so as to coincide with the front end edge 6b of the combs 6L and 6U in the front-rear direction.

  As shown in FIG. 2, nozzles 21, 22, and 23 for blowing an air flow from the window holes 11, 12, and 13 are disposed inside the left and right skirt guards 10 </ b> L and 10 </ b> R, respectively.

  Among these nozzles, the nozzle 22 at the center in the front-rear direction has an airflow outlet (first airflow outlet) that blows an airflow in the left-right direction along the tip edge 6b of the comb 6U.

  On the other hand, the rear nozzle 21 that is spaced rearward from the boarding / alighting plate 5a rather than the nozzle 22 is an airflow outlet that supplies an airflow in an oblique direction with respect to the front / rear direction toward the boarding / alighting plate 5a ( A second air outlet).

  Similarly, the nozzle 23 in front of the nozzle 22 has an airflow outlet for supplying an airflow obliquely with respect to the front-rear direction from the upper side of the boarding / alighting plate 5a toward the front side.

  As shown in FIG. 4, pipes 21a, 22a, and 23a for supplying compressed air are connected to the left and right nozzles 21, 22, and 23, respectively.

  These pipes 21 a, 22 a, and 23 a are connected to compressed air supply pipes 25 extending from the pressure tank 24 through electromagnetic valves 21 b, 22 b, and 23 b, and are supplied to the nozzles 21, 22, and 23. Air supply / stop and pressure can be adjusted.

  Further, an electromagnetic valve 26 is provided in the middle of the compressed air supply pipe 25 so that the supply / stop of compressed air to the pipes 21a, 22a, and 23a and the pressure can be adjusted.

  A compressor 27 that supplies high-pressure compressed air to the pressure tank 24 is driven by a drive motor 28 of the escalator 1, and transmission of the drive force can be connected and disconnected by an electromagnetic clutch 29.

  The operations of the electromagnetics 21b, 22b, 23b, the electromagnetic valve 26, and the electromagnetic clutch 29 are controlled by the first control means 30.

  In addition, in the first control means 30, dust or garbage is accumulated in the passenger detection sensor 31 that detects that a passenger has approached the entrance / exit 5 </ b> U on the upper floor of the escalator 1, and the front edge 6 b of the comb 6. A dust detection sensor 32 for detecting the presence of the dust is connected.

  The passenger detection sensor 31 uses an image captured by a plurality of cameras installed above the escalator 1 to detect the approach of the passenger, a sensor using a photoelectric tube, or a proximity sensor such as an electrostatic type. be able to.

  As the dust detection sensor, a sensor that detects dust, dust, or the like using a light beam extending in the left-right direction along the tip edge 6 b of the comb 6 can be used.

  Next, the operation of the dust removing device 100 at the man conveyor entrance of the first embodiment will be described.

  The first control means 30 sets the electromagnetic clutch 29 in the connected state when the passenger detection sensor 31 does not detect the approach of the passenger, or when there is no passenger on the step 2 or in a low load state with a small number of passengers. The compressor 27 is operated by using the surplus driving force of the drive motor 28, and high-pressure compressed air is produced and stored in the pressure tank 24.

  In addition, the first control means 30 operates the solenoid valves 21b, 22b, 23b and the solenoid valve 26 in accordance with a predetermined time schedule stored in the storage unit, and compressed air from the nozzles 21, 22, 23. And air flow that flows along the surfaces of the step 2, the comb 6U and the boarding / alighting plate 5a is supplied.

  At this time, by operating the solenoid valves 21b, 22b, and 23b, the air flow can be continuously supplied as shown in FIG. 5A, or the air flow can be supplied as shown in FIG. Can also be supplied intermittently.

  Further, by operating the electromagnetic valve 26, the strength of the air flow to be supplied can be changed stepwise as shown in FIG. 6 (a), or continuously as shown in FIG. 6 (b). Can also be changed.

  As a result, in the escalator 1 provided in a department store or the like, a strong air flow is supplied in the cleaning time zone before opening the store to blow away the dust etc. staying in the vicinity of the comb 6U onto the boarding / alighting plate 5a and during business hours. Therefore, it is possible to keep supplying a weak air flow so that the cotton dust or the like on the step 2 does not stay near the tip edge 6b of the comb 6U.

  Such an operation can be performed only when the dust detection sensor 32 detects dust, and the operation of the dust removing device 100 can be made more efficient.

  In addition, when the passenger detection sensor 31 does not detect the approach of the passenger, the first control means 30 blows out the compressed air from the nozzles 21, 22, and 23 and follows the surfaces of the step 2, the comb 6U and the boarding / alighting plate 5a. Supply a flowing air stream.

  At this time, as shown in FIG. 3, the air flows respectively supplied from the left and right nozzles 22 at the center in the front-rear direction flow in the left-right direction along the tip edge 6b of the comb 6U and collide with each other. The dust in the vicinity of the tip edge 6b can be reliably raised without being pushed into the inside of the comb 6U.

  Furthermore, since the air flows respectively supplied from the left and right nozzles 21 on the rear side in the front-rear direction flow from the top of step 2 through the comb 6U to the boarding board 5a, the dust that has risen in the vicinity of the comb 6U is moved to the boarding board 5a. Can be moved to the side.

  In addition, since the air flow respectively supplied from the left and right nozzles 23 on the front side in the front-rear direction flows further forward from the boarding / alighting plate 5a, the dust moved from the comb 6U to the boarding / alighting plate 5a is further moved forward. Can be removed reliably.

  Thereby, the dust etc. which stayed in the vicinity of comb 6U can be certainly moved to boarding board 5a side, and can be removed.

  In addition, by operating the electromagnetic valve 22b, the strength of the air flow supplied from the left and right nozzles 22 can be increased, and the dust in the vicinity of the comb 6U can be surely raised.

  Moreover, when a passenger approaches the entrance / exit 5U, a weak air flow is supplied from the left and right nozzles 21, 22, and 23, whereby the air flow that naturally occurs with the movement of the passenger and the dust of the first embodiment. It is also possible to integrate the air flow supplied by the removal device 100 so that dust or the like does not stay in the vicinity of the comb 6U.

  That is, since the dust removal apparatus 100 of this 1st Embodiment supplies an air flow from the window holes 11, 12, and 13 provided in the right and left skirt guards 10L and 10R, step 2, comb 6U, boarding / alighting board An air flow can be efficiently supplied toward 5a.

  Further, since the nozzles 21, 22, 23 and the like for supplying the air flow can be arranged inside the left and right skirt guards 10L, 10R, the appearance of the entrance / exit 5U is not impaired.

  In addition, since the strength and air volume of the air flow supplied from the plurality of outlets provided in the left and right skirt guards 10L and 10R can be changed, the dust staying in the vicinity of the comb 6U can be reliably removed.

  Moreover, since the supply of airflow is stopped when the passenger detection sensor 31 detects a passenger, a strong airflow is blown toward the passenger, so that no unpleasant feeling is caused.

  Moreover, when the passenger detection sensor 31 detects a passenger, a weak air flow is supplied toward the boarding / alighting board 5a, and it is integrated with the air flow which naturally occurs with the movement of the passenger, so that the dust etc. , 6L can be prevented from staying in the vicinity.

Second Embodiment Next, with reference to FIG. 7, a dust removal device for a man conveyor entrance according to a second embodiment will be described in detail.

  The dust removal device 200 at the entrance / exit of the man conveyor according to the second embodiment shown in FIG. 7 is a nozzle 41, 42, 43 for supplying an air flow at the entrance / exit 5U to the dust removal device 100 according to the first embodiment described above. Is different in the horizontal direction, and the other structure is the same.

  Each of the nozzles 41, 42, 43 is swingably supported by support shafts 41a, 42a, 43a extending in the vertical direction, and flexible piping 41b, 42b, 43b for supplying compressed air is connected thereto. Has been.

  Further, a connecting rod 44 is pivotally supported on each nozzle 41, 42, 43, and each nozzle 41, 42, 43 is always swung in the same direction.

  Further, the rear end of the connecting rod 44 is connected to the rod 46a of the servo motor 46 via the connecting rod 45, and moves back and forth in conjunction with the expansion / contraction operation of the rod 46a to swing each nozzle 41, 42, 43. It is supposed to be moved.

  The operation of the solenoid valves 41c, 42c, 43c provided in the middle of the pipes 41b, 42b, 43b, the actuator 46, etc. is performed by the second control means 40 to which the passenger detection sensor 31 and the dust detection sensor 32 are connected. Controlled by.

  The second control means 40 operates the solenoid valves 41c, 42c, 43c, etc. according to a predetermined time schedule stored in the storage unit, and continuously or intermittently from the nozzles 41, 42, 43, Alternatively, the compressed air is blown out while changing its strength, and the air flow that flows along the surfaces of the step 2, the comb 6U and the boarding / alighting plate 5a is supplied.

  Thereby, in the escalator 1 provided in a department store etc., while supplying a strong air flow in the cleaning time zone before opening a store, the dust etc. which remain in the vicinity of the comb 6U are blown off on the boarding board 5a, and also during business hours Therefore, it is possible to keep supplying a weak air flow so that the cotton dust or the like on the step 2 does not stay near the tip edge 6b of the comb 6U.

  Such an operation can be performed only when the dust detection sensor 32 detects dust, and the operation of the dust removing device 200 can be made more efficient.

  Further, the second control means 40 operates the servo motor 46 to swing the nozzles 41, 42, 43, and continuously or intermittently changes the direction of the air flow blown from each nozzle 41, 42, 43. Let

  Thereby, since the air flow can be uniformly supplied over the entire width direction of the step 2, the comb 6U, and the boarding / alighting plate 5a, the dust accumulated in the vicinity of the comb 6U is reliably moved to the boarding / alighting plate 5a side. Can be removed.

  Further, even when each nozzle 41, 42, 43 is provided on one of the left and right skirt guards 10L, 10R, the dust staying in the vicinity of the comb 6U is reliably moved to the boarding / alighting plate 5a side and removed. It becomes possible.

  Further, when the dust detection sensor 32 detects dust and the passenger detection sensor 31 does not detect the approach of the passenger, the second control means 40 emits a strong air flow from the nozzles 41, 42, 43 in the left-right direction. In this way, dust or the like staying in the vicinity of the comb 6U is raised. Thereafter, the second control means 40 swings the nozzles 41, 42, 43 so that the air flow is blown to the boarding / alighting plate 5a side, and moves the dust that has risen to the boarding / alighting plate 5a side to remove it. To do.

  In addition, when the passenger detection sensor 31 detects a passenger, the second control means 40 stops the supply of the air flow, thereby blowing off a strong air flow toward the passenger so as not to feel uncomfortable. Like that.

  Further, when the passenger detection sensor 31 detects the approach of the passenger, a weak air flow is blown out from the nozzles 41, 42, and 43 toward the boarding / alighting plate 5a, and the air flow that naturally occurs as the passenger moves By integrating, it is possible to prevent dust and the like from staying in the vicinity of the combs 6U and 6L.

  That is, since the dust removing device 200 of the second embodiment uses the servo motor 46 to swing the nozzles 41, 42, and 43, the entire step 2, the comb 6U, and the boarding / alighting plate 5a are universal. An air flow can be supplied without waste, and the dust remaining in the vicinity of the comb 6U can be reliably moved to the boarding / alighting plate 5a and removed.

  In addition, dust or the like staying in the vicinity of the comb 6U is swung up so that a strong air flow blows out from the nozzles 41, 42, and 43 in the left-right direction, and then the nozzles 41, 42, and 43 are swung. As the air flow blows out to the boarding / alighting plate 5a side, the dust and the like that have risen can be moved to the side of the boarding / alighting plate 5a and removed.

3rd Embodiment Next, with reference to FIG. 8 thru | or FIG. 10, the dust removal apparatus of the man conveyor entrance of 3rd Embodiment is demonstrated in detail.

  The dust removal device 300 for the man conveyor entrance and exit of the third embodiment shown in FIGS. 8 to 10 includes a window hole 14 extending through the left and right skirt guards 10L and 10R extending in the front-rear direction. 14 is connected to a duct 51, and the air flow from the blower 52 is supplied to the step 2, the comb 6U and the boarding / alighting plate 5a through the duct 51.

  The window hole 14 is provided with shutters 53, 54, and 55 that are swingably supported so that the window hole 14 can be opened and closed.

  The shutters 53, 54, and 55 are swingably supported by support shafts 53a, 54a, and 55a that extend in the vertical direction, respectively.

  Further, the lower ends of the support shafts 53a, 54a, and 55a project through the wall surface of the duct 51 and protrude downward, and the levers 53b, 54b, and 55b that rotate integrally with the support shafts 53a, 54a, and 55a are fixed thereto. ing.

  Further, the swinging ends of these levers 53b, 54b, 55b are swingably connected to predetermined positions of a connecting rod 56 extending in the front-rear direction.

  The rear end of the connecting rod 56 is connected to a rod 58a of a servo motor 58 via a connecting rod 57, and moves back and forth in conjunction with the expansion and contraction of the rod 58a to open and close the shutters 53, 54, and 55. It is supposed to be.

  The operation of the blower 52 and the servo motor 58 can be controlled by the third control means 50 to which the passenger detection sensor 31 and the dust detection sensor 32 are connected.

  When the passenger detection sensor 31 does not detect the approach of the passenger, the dust removing device 300 of the third embodiment operates the servo motor 58 to fully open the shutters 53, 54, and 55 as shown in FIG. Then, the blower 52 is operated to supply an air flow flowing from the window hole 14 to the step 2, the comb 6U, and the boarding / alighting plate 5a.

  At this time, by operating the blower 52 at full power and supplying a strong air flow, the dust remaining in the vicinity of the comb 6U can be blown off to the boarding / alighting plate 5a side.

  On the other hand, when the passenger detection sensor 31 detects the approach of the passenger, as shown in FIG. 9, the servo motor 58 is operated to fully close the shutters 53, 54, and 55, and the blower 52 is stopped. Then, the supply of the air flow from the window hole 14 is interrupted.

  Thereby, it is possible to reliably prevent the clothes, belongings, and the like of passengers passing through the entrance / exit 5U from being caught by the window hole 14 and the shutters 53, 54, and 55.

  Further, as shown in FIG. 10, the shutters 53, 54, and 55 are slightly opened, and the blower 52 is operated weakly to supply a weak air flow from the window hole 14, so that the air naturally generated as the passenger moves It is possible to prevent dust from staying in the vicinity of the comb 6U.

  That is, since the dust removal device 300 of the third embodiment is configured such that the window hole 14 provided in the skirt guards 10L and 10R can be opened and closed by the shutters 53, 54, and 55, the passenger passing the entrance / exit 5U. It is possible to reliably prevent clothes, belongings and the like from being caught in the window hole 14.

  As mentioned above, although each embodiment of the dust removal apparatus of the man conveyor entrance which concerns on this invention was described in detail, it cannot be overemphasized that this invention is not limited by each embodiment mentioned above and various changes are possible. Yes.

  For example, in the above-described embodiment, the description has been given by taking the entrance 5U where the passenger gets on the boarding board 5a from the step 2 as an example, but the passenger gets on the step 2 from the boarding board 5a. When the apparatus of the present invention is operated at the entrance / exit 5L, it is possible to prevent the dust from moving from the entrance / exit plate 5a to the step 2 side due to the air flow that naturally occurs as the passenger moves. .

The side view which shows the man conveyor provided with the dust removal apparatus of the man conveyor entrance / exit of 1st Embodiment. The horizontal sectional view along the AA fracture line shown in FIG. Front sectional drawing along the BB fracture line shown in FIG. The figure which shows the structure of the apparatus of 1st Embodiment typically. The graph explaining operation | movement of the apparatus of 1st Embodiment. The graph explaining operation | movement of the apparatus of 1st Embodiment. The figure which shows typically the structure of the apparatus of 2nd Embodiment. The figure which shows the driving | running state of the apparatus of 3rd Embodiment. The figure which shows the stop state of the apparatus of 3rd Embodiment. The figure which shows the weak driving | running state of the apparatus of 3rd Embodiment. The side view which shows the whole structure of a man conveyor. The principal part expanded side surface sectional view which shows the C section shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Escalator 2 Step 2a Cleat 3 Railing 4 Handrail 5U, 5L Board entrance 5a Board board 6U, 6L Com 7 Machine room 10L, 10R Skirt guard 11, 12, 13, 14 Window hole 20 1st control means 21,22 23 Nozzle 21a, 22a, 23a Piping 21b, 22b, 23b Solenoid valve 24 Pressure tank 25 Compressed air supply pipe 26 Solenoid valve 27 Compressor 28 Drive motor 29 Electromagnetic clutch 31 Passenger detection sensor 32 Dust detection sensor 40 Second control means 41 42, 43 Nozzle 44 Connecting rod 45 Connecting rod 46 Servo motor 50 Third control means 51 Duct 52 Blower 53, 54, 55 Shutter 56 Connecting rod 57 Connecting rod 58 Servo motor 100 The dust removing device 200 of the first embodiment Dust Removal Device 300 of Embodiment Dust Removal Device of Third Embodiment

Claims (11)

At the entrance of the man conveyor, an air flow supply means for supplying an air flow that flows from the step through the comb to the board, and moves the dust in the vicinity of the comb onto the board,
First control means for controlling the operation of the air flow supply means;
A dust removing device for a man conveyor entrance / exit.   2. The dust removing device for a man conveyor entrance / exit according to claim 1, wherein the air flow supply means supplies the air flow through an air flow outlet provided in a skirt guard on a side of the step. . The air flow outlet is
A first airflow outlet for supplying an airflow toward the comb in a direction perpendicular to the direction of movement of the step;
A second airflow outlet for supplying an airflow toward the boarding / exiting plate from a position farther from the boarding / exiting plate than the first airflowing outlet;
The dust removing device for a man conveyor entrance / exit according to claim 2.   4. The dust removal device for a man conveyor entrance / exit according to claim 1, wherein the first control means controls the operation of the air flow supply means in accordance with a predetermined time schedule. Further comprising a passenger detection sensor for detecting the approach of the passenger to the entrance / exit,
The said 1st control means stops the operation | movement of the said airflow supply means, if the said passenger detection sensor detects the approach of a passenger, The man conveyor entrance / exit described in any one of the Claims 1 thru | or 4 characterized by the above-mentioned. Dust removal device. Further comprising a dust detection sensor for detecting the presence or absence of dust in the vicinity of the comb;
4. The dust removal device for a man conveyor entrance according to claim 1, wherein the first control means activates the air flow supply means when the dust detection sensor detects dust. 5. An airflow outlet having the airflow outlet;
A blower swinging mechanism that swings the airflow blower to change the direction of blowing the airflow;
Second control means for controlling the operation of the blowing body swinging mechanism;
The dust removing device for a man conveyor entrance / exit according to any one of claims 1 to 6. Further comprising a passenger detection sensor for detecting the approach of the passenger to the entrance / exit,
The said 2nd control means controls the action | operation of the said blowing nozzle rocking | fluctuation mechanism so that an air flow blows off in the moving direction of the said step, if the said passenger detection sensor detects a passenger's approach. The dust removal apparatus for the man conveyor entrance described in 7. Opening and closing means for opening and closing the air flow outlet;
An opening / closing means driving mechanism for opening / closing the opening / closing means;
Third control means for controlling the operation of the opening / closing means drive mechanism;
A passenger detection sensor for detecting an approach of a passenger to the entrance and exit, and
The said 3rd control means controls the action | operation of the said opening-and-closing means drive mechanism so that the said opening-and-closing means will close the said airflow blower outlet, if the said passenger detection sensor detects approach of a passenger. The dust removing device for a man conveyor entrance described in any one of 1 to 8. A compressor for supplying compressed air to the air flow supply means;
A clutch for connecting and disconnecting the rotational drive of the compressor by a drive motor for moving the step;
Fourth control means for controlling the operation of the clutch;
A passenger detection sensor for detecting an approach of a passenger to the entrance and exit, and
The fourth control means controls the operation of the clutch so that the drive motor rotationally drives the compressor when the passenger detection sensor does not detect the approach of a passenger. 9. A dust removing device for a man conveyor entry / exit described in any of 9 above.   The dust removal device for a man conveyor according to claim 5, 8, 9, or 10, wherein the passenger detection sensor detects an approach of a passenger by processing an image obtained by photographing the entrance / exit. .

Images