JP2007302414A - Oil pan cleaning device of passenger conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an oil pan cleaning device of a passenger conveyor capable of performing the cleaning work while the passenger conveyor is in operation at low cost without any man power. <P>SOLUTION: The oil pan cleaning device comprises a storage member 3c for storing a cleaning body 3a while traveling on the on-going side, a detection means 3b which is provided on a bottom side formed in the direction of a counter stepping plate of the storage member 3c to output the detection signal when any contact with the cleaning body 3a is not detected, a closing member 4a which can be arranged any one of the position for closing a projecting port of the cleaning body 3a provided in the stepping plate 1 and the position for opening the port, a driving means 4b for displacing the position of the closing member 4a to any one of them, and a control means 8 for driving the driving means 4b according to the reception of the detection signal of the detection means 3b to control the closing member 4a to be displaced to the opening position. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an oil pan cleaning device for a passenger conveyor having a cleaning body that is in sliding contact with an oil pan disposed opposite to a step when traveling on the return path side and cleans the oil pan.

As an example of a conventional oil pan cleaning device for a passenger conveyor, the step is provided at a step that is connected endlessly and travels in an annular manner between upper and lower entrances and exits, and during the forward travel on which a passenger can be placed during the annular travel A passenger having a cleaning body that is housed below the tread that becomes the tread of the vehicle and that cleans the oil pan by sliding on the oil pan disposed opposite to the tread so as to protrude from the tread due to its own weight when traveling on the return path An oil pan cleaning device for a conveyor has been known (see Patent Document 1).
Japanese Patent Laid-Open No. 08-113461

  Since the prior art of the above-mentioned Patent Document 1 has fastened and fixed a closing member that closes the protruding port from which the cleaning body protrudes, a manual operation is required to remove the closing member and perform the oil pan cleaning operation. Necessary, and it was necessary to stop the passenger conveyor.

  Therefore, there are inconveniences such as making the cleaning operation expensive in terms of cost and not being able to perform the cleaning operation when the passenger conveyor cannot be stopped.

  The present invention has been made to solve the above inconveniences, and an object of the present invention is to provide an oil pan for a passenger conveyor that can be cleaned at low cost without intervention of a person and during operation of the passenger conveyor. To provide a cleaning device.

  In order to achieve the above object, the present invention is provided in a step that is connected endlessly and that travels in an annular manner between upper and lower entrances and exits. An oil pan cleaning device for a passenger conveyor having a cleaning body that is housed under the tread plate and that protrudes from the tread plate and slides against the tread plate and cleans the oil pan when traveling on the return path side , A detection signal is output when contact between the storage member for storing the cleaning body and the bottom surface formed in the half-tread plate direction of the storage member is not detected when traveling on the forward path side. A detecting member, a closing member that can be disposed at either one of a position at which the protruding opening of the cleaning body provided on the tread plate is closed and a position at which it is opened, and the position of the closing member are displaced to either one. And motion means, characterized in that it comprises a control means for controlling so as to displace said closure member by driving said driving means in response to receiving a detection signal of the detection means to the open position.

  According to the present invention, when the cleaning body is displaced by its own weight from the bottom surface of the housing body toward the protruding opening of the tread plate during traveling on the return path side, the displacement can be detected by the detecting means, and the blocking member is detected according to the detection. Is moved to the open position by the driving means, and the oil pan is cleaned by the cleaning body, so that the oil pan can be cleaned at low cost without any manual intervention.

  Further, as described above, the closing member closes the protrusion so that the cleaning body protrudes when traveling on the return path side, and it is possible to perform a cleaning operation while the passenger conveyor is operating.

  According to the oil pan cleaning device for passenger conveyors of the present invention, it is possible to perform the oil pan cleaning operation at low cost without intervention of passengers and during operation of the passenger conveyor.

    Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is an operation explanatory view of an oil pan cleaning device for a passenger conveyor according to the present invention, FIG. 2 is a plan view of the oil pan cleaning device for a passenger conveyor according to the present invention, and FIG. 3 is an oil pan cleaning for the passenger conveyor according to the present invention. FIG. 4 is a control block diagram of a passenger conveyor oil pan cleaning apparatus according to the present invention, and FIG. 5 is an overall configuration diagram of the passenger conveyor oil pan cleaning apparatus according to the present invention.

  In general, as shown in FIG. 5, a passenger conveyor is connected endlessly, and travels in an annular manner between upper and lower entrances 10 and 11 in order to transport passengers to a destination floor. The step 1 on the side where the passenger rides is the forward side, and the step 1 on the oil pan 5 side is the return side.

  The oil pan cleaning device for a passenger conveyor according to the present invention, as shown in FIGS. 1, 2, and 4, is a cylinder provided below the tread plate 2 of the step 1 serving as a stepping surface for the passenger during the forward travel (during the forward travel). A storage member 3c made of a solid body, a cleaning body 3a slidably stored in the storage member 3c, and a cleaning body 3a provided on a bottom surface 31c formed at the end of the storage member 3c in the direction of the half-tread plate 1a; The microswitch 3b, which is a detection means that outputs a detection signal when it no longer detects contact, and either the position for closing or opening the protrusion 2a of the cleaning body 3a formed in the tread plate 2 In response to receiving a detection signal from the microswitch 3b, a closing member 4 that can be rotated and displaced, a stepping motor 4b that is a driving means for rotating the rotation shaft 4a of the closing member 4, and the microswitch 3b. Ngumota 4b and by driving is constituted by a control means 8 for controlling so as to displace the open position the closing member 4.

  In addition, a taper portion 4c that is inclined in the same direction as the rotation direction is provided on the surface of the closing member 4 facing the cleaning body 3a, and the tip of the cleaning body 3a is opposite to the taper portion 4c. An inclined portion 311a that is inclined in the direction is provided.

  By providing the tapered portion 4c and the inclined portion 311a, the closing body 4 escapes the cleaning body 3a even when the cleaning body 3a is in contact with the closing body 4 under its own weight on the return path side of the step 1. It can rotate smoothly.

Further, the cleaning body 3a includes a weight portion 32a and a brush portion 31a. The weight portion 32a is moved to the housing member bottom surface 31c so that the entire cleaning body 3a is not displaced when the step 1 travels on the outward path side. It is comprised with the weight to contact | abut.

  The driving means 4b uses a stepping motor to determine how much the closing member 4 has been displaced. However, the driving means 4b is not limited to the stepping motor, and any other mechanism can be used as long as the mechanism can understand the displacement. But you can. The storage member 3c is a cylindrical body, but is not limited to the cylindrical body, and may be a guide mechanism that can move and store the cleaning body 3a below the tread plate 2.

  The timer 7 is configured to integrate the accumulated travel time of the step 1 and output an operation signal when the predetermined time or more, for example, 3,000 hours or more, is integrated. The operation signal is output after counting the number of times, for example, 10 times of circular traveling.

  Next, an explanation of the operation when the oil pan 5 is cleaned by the oil pan cleaning device for a passenger conveyor according to the present invention will be described mainly with reference to the flowchart of FIG. The description here will be made by taking an example in which the step 1 is driven from the bottom to the top on the forward path side.

  Here, FIG. 1 shows a state of the R portion where the step 1 changes direction from the forward path side to the return path side on the upper entrance / exit 10 side.

  First, an operation signal is detected from the timer 7 to detect that the accumulated travel time of the step 1 is 3,000 hours or more (S1), and if a detection signal from the microswitch 3b is further received (S2 (FIG. The control means 8 issues a drive command to the stepping motor 4b to drive the closing member 4 to a position where the closing member 4 opens the protruding port 2a (S3). .

  In response to this, the cleaning body 3a protrudes from the projecting opening 2a of the tread plate 2, and the brush portion 3a is brought into contact with the oil pan 5, whereby the cleaning body 3a is brought into sliding contact with the oil pan 5. Cleaning can be performed (S4 (state of step 1 shown in the lower part of FIG. 1)).

  As described above, according to the present invention, when the cleaning body 3a is displaced from the storage body bottom surface 31c toward the projecting opening 2a of the step 2 by its own weight when traveling on the return path side, the displacement can be detected by the microswitch 3b. Accordingly, the closing member 4 is displaced to the open position by the stepping motor 4b, and the oil pan 5 is cleaned by the cleaning body 3a. Therefore, it is necessary to automatically clean the oil pan 5 without manual intervention. The oil pan 5 can be cleaned at an appropriate time (when operating for 3,000 hours).

  Next, when the step 1 travels on the return path side to the R portion on the lower entrance 11 side, the cleaning body 3a is also housed in contact with the bottom surface 31c of the housing member 3c by its own weight, so that the detection signal of the micro switch 3b is detected. Is not transmitted (S5), the control means 8 issues a reverse rotation drive command to the stepping motor 4b, and drives the closing member 4 to a position where the closing member 4 closes the projection 2a ( S6).

  As a result, during the traveling of the step 1 on which the passenger is placed, the closing member 4 can close the protruding port 2a, and the passenger is exposed to danger by the protruding port 2a even during normal operation of the passenger conveyor. It is possible to smoothly perform the oil pan cleaning operation without any trouble.

  Then, the procedure from step S2 to step S6 is repeated from step S2 to step S6 until the counter 9 that counts once counts the specified number of times (here, 10 times) (step S7). ), The control means 8 recognizes the end of the cleaning in response to receiving the operation signal that the counter 9 counts up and operates, and until the next predetermined operation time elapses (after 3,000 hours elapse), The detection signal of the switch 3b is not received, and the oil pan cleaning at this time is completed.

  Here, since it is possible to cause the step 1 to travel in an annular manner 10 times and automatically clean it, it is possible to sufficiently remove the dust 6.

  In addition, according to the present invention, the oil pan cleaning work is performed during normal operation (when the passenger is in use). In the case of a passenger conveyor that can be operated, oil pan cleaning may be performed in the same manner.

  Moreover, the maintenance work time can be reduced by the above.

Operation | movement explanatory drawing of the oil pan cleaning apparatus of the passenger conveyor which is this invention. The top view of the oil pan cleaning apparatus of the passenger conveyor which is this invention. Control flow chart of oil pan cleaning device for passenger conveyor according to the present invention The control block diagram of the oil pan cleaning apparatus of the passenger conveyor which is this invention. The whole block diagram of the oil pan cleaning apparatus of the passenger conveyor which is this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Step 2 Tread 2a Protrusion port 3a Cleaning body 3b Detection means (micro switch)
3c Storage part 31a Inclined part 4 Closing member 4a Rotating shaft 4b Driving means (stepping motor)
4c taper part 5 oil pan 6 dust 7 timer 8 control means 9 counter

Claims (5)

It is provided in a step that is connected endlessly and that travels in a ring between the upper and lower entrances and exits, and is stored under the tread plate that serves as the tread surface of the step and travels in the backward direction during travel on the forward side where passengers can be placed. In an oil pan cleaning device for a passenger conveyor, which sometimes has a cleaning body that protrudes from the tread and slides into contact with an oil pan disposed opposite the tread and cleans the oil pan.
A detecting means for providing a detection signal when the contact between the storage member for storing the cleaning body and the bottom surface formed in the half-tread plate direction of the storage member is not detected when traveling on the forward side. A closing member that can be disposed at either one of a position for closing the opening of the cleaning body provided on the tread board and a position for opening the driving body, and a driving means for displacing the position of the closing member to one of the two, And an oil pan cleaning for a passenger conveyor, wherein the driving means is driven to control the displacement of the closing member to an open position in response to receiving a detection signal from the detection means. apparatus.   2. The control unit according to claim 1, wherein after the detection signal of the detection unit is received, the control unit reversely drives the drive unit to displace the blocking member to a closed position in response to the detection signal not being received. An oil pan cleaning device for a passenger conveyor, characterized in that control is performed as described above.   In any one of Claim 1 or Claim 2, while the said closure member is arrange | positioned so that rotation is possible at any one of the position which obstruct | occludes the protrusion port of the said cleaning body, and the position which open | release, The oil pan cleaning device for a passenger conveyor, wherein the driving means is configured to drive a rotating shaft of the cleaning body.   4. The taper portion that forms an inclination in the same direction as the rotation direction is provided on a surface of the closing member facing the cleaning body, and the cleaning body is inclined in a direction opposite to the taper portion. An oil pan cleaning device for a passenger conveyor, characterized in that an inclined portion to be formed is provided.   The timer according to claim 1, wherein a timer for integrating the travel time of the steps and outputting an operation signal after a predetermined travel time is provided, and the control means is responsive to receiving the timer output signal in addition to receiving the detection signal. An oil pan cleaning device for a passenger conveyor, wherein the driving means is driven to control the closing member to be moved to an open position.

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