JP2004010186A - Cleaning device of passenger conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cleaning device of a passenger conveyor capable of efficiently cleaning an oil receiving plate having a laterally extending step and an oil receiving plate having a longitudinally extending step formed therein. <P>SOLUTION: This cleaning device of the passenger conveyor comprises a center cleaning body 12 and a main cleaning body 13 installed on a mounting body 11, auxiliary cleaning bodies 14 and 15 installed, in order, on the main cleaning body 13. The center cleaning body 12 comprises an arm member 18 movably connected to the mounting body 11, a contact member 19 coming in contact with the oil receiving plate 7, and a tilted member 20 gradually tilting upward toward the running direction of the contact member 19. The main cleaning body 13 is also formed in the same manner. The auxiliary cleaning body 14 comprises a contact member 35 and a tilted member 36. The other auxiliary cleaning body is also formed in the same manner. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a passenger conveyor cleaning device for removing dust and the like accumulated on an oil receiving plate disposed below a return side of a step.
[0002]
[Prior art]
FIG. 10 is a side view showing a general passenger conveyor, and FIG. 11 is an enlarged plan view showing a main part of the passenger conveyor shown in FIG.
[0003]
As an example of a passenger conveyor, an escalator shown in FIG. 10 includes a driving machine 2 provided in an upper machine room 1 and an upper driving step chain sprocket 3 for transmitting the driving rotation of the driving machine 2 via a driving chain 2a. A chain sprocket 5 provided in the lower machine room 4, a step chain 5a wound around the chain sprockets 3, 5, and a plurality of endless steps 6 fixed to the step chain 5a. The step 6 is moved in a predetermined direction in synchronization with the rotation of the drive chain sprocket 3. An oil receiving plate 7 is provided below the step 6 on the return side from the upper part to the lower part. As shown in FIG. 11, a plurality of mounting shafts 8 are arranged at regular intervals between the pair of left and right step chains 5a. Each step 6 is fixed to a bearing 9 provided on each mounting shaft 8 with a bolt (not shown).
[0004]
In the escalator configured as described above, dust and the like fall and accumulate from the steps 6 on the oil receiving plate 7 provided below the return side of the steps 6, so that the dust is regularly cleaned and the oil receiving plate 7 is always kept on the oil receiving plate 7. It must be kept clean. Such an operation of cleaning the oil receiving plate 7 is such that the steps 6 are removed by about half of the total number and removed by a manual operation using a broom, a rag, or the like. Therefore, it took a lot of time and effort.
[0005]
Therefore, conventionally, for example, as described in Japanese Patent Application Laid-Open No. 2002-20072, a base portion having a fixing portion for holding a mounting shaft of a step and a base portion connected to the base portion to form an oil receiving plate. A lever that rotates the mounting shaft of the step according to the inclination, and a right-hand cleaning unit and a left-hand cleaning unit that are attached in the width direction of this lever unit. Each tip has a rake shape to sweep and collect deposits on the oil receiving plate. A cleaning device for a passenger conveyor provided with a cleaning unit described above has been proposed. In this conventional cleaning device, any two steps are removed, the removed opening is moved to the upper machine room, and the cleaning device is attached to the step mounting shaft on the moving direction side of the two exposed step mounting shafts. With the base fixed, the passenger conveyor is driven in this state, and the cleaning unit is moved from the upper part to the lower part while contacting the oil receiving plate to sweep the deposits on the oil receiving plate to clean the oil receiving plate. It is supposed to do it.
[0006]
[Problems to be solved by the invention]
By the way, in the conventional passenger conveyor cleaning device described above, since the cleaning portion is disposed so as to be substantially perpendicular to the oil receiving plate, the oil receiving plate is provided with a structural step at a part in the longitudinal direction. For example, when there is a joint portion of the frame of the passenger conveyor or the like, there is a problem that the cleaning unit is caught by the above-described step and the cleaning unit cannot be moved from the upper portion to the lower portion of the oil receiving plate.
[0007]
Further, when the oil receiving plate is divided into two parts on the left and right sides in the width direction and the joint portion has a step, that is, when the oil receiving plate has a step extending in the longitudinal direction, the cleaning unit rides on this step. In this case, since the cleaning portion is separated from the surface of the oil receiving plate other than the stepped portion, there is a problem that the entire region in the width direction of the oil receiving plate cannot be cleaned at once.
[0008]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances in the related art, and a first object of the present invention is to smoothly clean the surface of an oil receiving plate even when the oil receiving plate has a step extending in a width direction. It is an object of the present invention to provide a passenger conveyor cleaning device that can perform the following.
[0009]
Further, a second object of the present invention is to provide a passenger conveyor cleaning device that can clean the surface of the oil receiving plate at a time over substantially the entire area in the width direction even when the oil receiving plate has a step extending in the longitudinal direction. It is in.
[0010]
[Means for Solving the Problems]
In order to achieve the first object, the invention according to claim 1 of the present invention comprises a mounting member connected to a mounting shaft of a step and a support supported via the mounting member and disposed below a return side of the step. A contact member for contacting the oil receiving plate, wherein the contact member slides on the oil receiving plate by driving of the step to clean the oil receiving plate. An inclined member is provided at a front portion of the contact member in the traveling direction so as to be gradually inclined upward in the traveling direction of the contact member.
[0011]
According to the first aspect of the present invention, the contact member approaches the end of the step extending in the width direction of the oil receiving plate, and the inclined member provided at the front of the contact member in the traveling direction is provided with the step. When the contact member comes into contact with the end of the step, since the inclined member is gradually inclined upward in the traveling direction, the contact member slides on the end of the step, and passes through the end of the step without being caught. Thus, even when the oil receiving plate has a step extending in the width direction, the surface of the oil receiving plate can be smoothly cleaned.
[0012]
In order to achieve the second object, the invention according to claim 2 of the present invention provides a mounting member connected to a mounting shaft of a step, a mounting member supported via the mounting member, and a return side of the step. A contact member for contacting an oil receiving plate disposed below, wherein the contact member slides on the oil receiving plate by driving the step to clean the oil receiving plate; In the apparatus, a plurality of arm members are rotatably connected to the mounting body, and the contact members are provided on each of these arm members.
[0013]
According to the second aspect of the present invention, the contact member provided on one of the arm members engages with the stepped portion extending in the longitudinal direction of the oil receiving plate. The contact member slides on the step portion of the oil receiving plate while the arm rotates upward, and another contact member provided on another arm member slides on the remaining portion of the oil receiving plate. Thus, even when the oil receiving plate has a step extending in the longitudinal direction, the surface of the oil receiving plate can be cleaned at one time over substantially the entire area in the width direction.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a passenger conveyor cleaning device of the present invention will be described with reference to the drawings.
[0015]
FIG. 1 is a plan view of a cleaning apparatus for a passenger conveyor according to an embodiment of the present invention, FIG. 2 is a side view of the cleaning apparatus of the present embodiment, and FIG. 3 is a state in which the cleaning apparatus of the present embodiment passes through the beginning of a step. FIG. 4 is a side view showing a state in which the cleaning device of the present embodiment passes the end of the step, and FIG. 5 is a cleaning device of the present embodiment for cleaning an oil receiving plate having a step extending in the longitudinal direction. FIG. 6 is a side view showing a state in which an oil receiving plate provided with a step extending in the longitudinal direction is cleaned by the cleaning device of the present embodiment, and FIG. FIG. 8 is a side view showing a state where the upper portion of the oil receiving plate is cleaned by the cleaning device of the present embodiment. FIG. 9 is a side view showing a state where the upper portion of the oil receiving plate is cleaned by the cleaning device of the present embodiment. It is a side view which shows the state which cleans.
[0016]
A cleaning device 10 according to the present embodiment shown in FIG. 1 includes a mounting body 11 mounted on a mounting shaft 8 of a step 6, a central cleaning body 12 mounted at a central portion of the mounting body 11, and two ends of the mounting body 11. A pair of left and right main cleaning bodies 13 respectively mounted, first auxiliary cleaning bodies 14 mounted on each main cleaning body 13, and second auxiliary cleaning mounted on these first auxiliary cleaning bodies 14. And a body 15.
[0017]
The mounting body 11 includes a pair of gripping portions 16 that grip the mounting shaft 8 of the step 6 at predetermined intervals, and a rotating shaft 17 that is supported at both ends by the gripping portions 16 and extends in parallel with the mounting shaft 8. It consists of
[0018]
The central cleaning body 12 is disposed perpendicular to a rotation axis 17 of the mounting body 11, and has an arm member 18 having one end rotatably connected to the rotation shaft 17, and a predetermined angle formed at the other end of the arm member 18. And a contact member 19 arranged in parallel with the rotating shaft 17 and a triangular inclined member 20 extending forward of the contact member 19 and below the tip of the arm member 18. ing. The arm member 18 has a pipe portion 21 having an inner diameter slightly larger than the outer diameter of the rotating shaft 17, a rod-shaped portion 22 having an outer diameter smaller than the inner diameter of the pipe portion 21, and the rod-shaped portion 22 being inserted into contact therewith. The triangular inclined member 20 includes a member 19 and another pipe portion 23 to which the inclined member 20 is fixed. The lower end of the triangular inclined member 20 comes into contact with the surface of the oil receiving plate 7 and gradually moves in the traveling direction of the contact member 19. Has an inclined side 24 inclined upward.
[0019]
Each of the pair of left and right main cleaning bodies 13 has one end rotatably connected to the rotation shaft 17, and is coupled to the other end of the arm member 25 at a predetermined angle, and is disposed in parallel with the rotation shaft 17. A contact member 26, a triangular inclined member 27 extending forward from the contact member 26 and below the distal end of the arm member 25, and a pair of projecting members projecting rearward from near both ends of the contact member 26. It comprises a protruding plate 28, and a rotating shaft 29, both ends of which are rotatably supported by the protruding plates 28 and extend in parallel with the mounting shaft 8. The arm member 25 has a pipe portion 30 having an inner diameter slightly larger than the outer diameter of the rotating shaft 17, a rod-shaped portion 31 having an outer diameter smaller than the inner diameter of the pipe portion 30, and the rod-shaped portion 31 is inserted into contact therewith. The triangular inclined member 27 has a lower end in contact with the surface of the oil receiving plate 7 and gradually decreases in the running direction of the contact member 26. It has an inclined side 33 inclined upward. The arm member 25 of the main cleaning body 13 is set longer than the arm member 18 of the central cleaning body 12, and the contact member 26 of the main cleaning body 13 is set wider than the contact member 19 of the central cleaning body 12. As shown in FIG. 1, the width of the contact member 19 of the central cleaning body 12 is set to be larger than the gap between the pair of left and right contact members 26.
[0020]
The first auxiliary cleaning body 14 includes a support frame 34 that is rotatably connected to the rotation shaft 29 of the main cleaning body 13, a contact member 35 that is made of a bent plate material, and that is fixed to the support frame 34. An inclined member 36 extending forward from the contact member 35, a pair of projecting plates 37 projecting rearward from the vicinity of both ends of the contact member 35, and both ends rotatably supported by these projecting plates 37; The rotating shaft 38 extends in parallel with the mounting shaft 8. The inclined member 36 has an inclined side 39 whose lower end is in contact with the surface of the oil receiving plate 7 and is gradually inclined upward in the running direction of the contact member 35.
[0021]
Similarly, the second auxiliary cleaning body 15 also includes a support frame 40 that is rotatably connected to the rotation shaft 38 of the first auxiliary cleaning body 14 and a plate material that is bent and formed, and is fixed to the support frame 40. Contact member 41, an inclined member 42 extending forward from the contact member 41, a pair of projecting plates 43 projecting rearward from the vicinity of both ends of the contact member 41, and both ends of the projecting plate 43 rotating. And a rotating shaft 44 extending in parallel with the mounting shaft 8. The inclined member 42 has an inclined side 45 whose lower end is in contact with the surface of the oil receiving plate 7 and that is inclined gradually upward in the running direction of the contact member 41.
[0022]
In the cleaning device 10 of the present embodiment, first, when attaching to the passenger conveyor, as shown in FIG. 7, after removing two adjacent steps 6 among a plurality of steps 6 provided on the passenger conveyor. Then, the mounting shaft 8 that is exposed is moved to the upper machine chamber 1 in FIG. 10, and the mounting body 11 of the cleaning device 10 is fixed to the mounting shaft 8 on the moving direction side. At this time, the central cleaning body 12 and the main cleaning body 13 are positioned on the oil receiving plate 7 in the upper machine chamber 1 in FIG. Put on.
[0023]
When the passenger conveyor is driven in this state, as shown in FIGS. 8 and 9, the cleaning device 10 moves from the upper portion, and deposits deposited on the oil receiving plate 7 are removed from the respective contact members 19, 26, 35, Since it is swept and collected on the oil receiving plate 7 in the lower machine room 4 of FIG. 10 by 41, the collected deposits are removed, and the cleaning device 10 is removed in the lower machine room 4 to complete the cleaning of the oil receiving plate 7. It has become.
[0024]
For example, when the cleaning device 10 travels from right to left in FIG. 3, when the contact member 19 of the central cleaning body 12 approaches a step 46 extending in the width direction of the oil receiving plate 7, the contact member 19 Since the inclined side 24 of the inclined member 20 located at the front part in the traveling direction contacts the start end of the step 46, the inclined side 24 slides on the corner of the step 46 and the arm member about the rotation axis 17 of the mounting body 11 as a center. The central cleaning body 12 passes through the start end of the step 46 by rotating 18 in the counterclockwise direction in FIG. Next, as shown in FIG. 3, when the contact members 26 of the pair of left and right main cleaning bodies 13 approach each other, similarly, the inclined side 33 of the inclined member 27 slides on the corner of the step 46 and the rotation of the mounting body 11. As the arm member 25 rotates upward about the shaft 17, the main cleaning body 13 passes through the start end of the step 46. Next, the same applies to the first auxiliary cleaning body 14 and the second auxiliary cleaning body 15, and the first auxiliary cleaning body 14 and the second auxiliary cleaning body 15 pass through the step 46 without being caught. .
[0025]
Thereafter, when the contact member 19 of the central cleaning body 12 approaches the end of the step 46, the inclined side 24 of the inclined member 20 passes through without contacting the end of the step 46, and the rotation axis 17 of the mounting body 11 is centered. The central cleaning body 12 rotates clockwise in FIG. 4, and then the contact members 26 of the pair of left and right main cleaning bodies 13 are also the same. Further, as shown in FIG. 4, when the first auxiliary cleaning body 14 approaches the end of the step 46, the inclined side 39 of the inclined member 36 passes through without contacting the end of the step 46, and the main cleaning body 13 The first auxiliary cleaning body 14 rotates clockwise in FIG. 4 about the rotation shaft 29, and then the contact member 41 of the second auxiliary cleaning body 15 is also the same.
[0026]
Further, for example, when a step 47 extending in the longitudinal direction is formed as another oil receiving plate 7a as shown in FIGS. 5 and 6, the contact member 19 of the central cleaning body 12 has a width larger than the width of the step 47 in advance. The contact member 26 of the main cleaning body 13, the contact member 35 of the first auxiliary cleaning body 14, and the contact member 41 of the second auxiliary cleaning body 15 are arranged at positions that avoid the width dimension of the step 47 in advance. ing. Thereby, when cleaning the other oil receiving plate 7a shown in FIGS. 5 and 6, the main cleaning body 13 and the central cleaning body 12 can be separately rotated with respect to the rotating shaft 17, so that only the central cleaning body 12 is used. As a result, the upper surface of the step 47 of the oil receiving plate 7a is cleaned, and the main cleaning body 13 cleans the remaining portion of the oil receiving plate 7a, that is, both sides of the step 47. Further, for example, even if the step 47 is intermittently arranged in the longitudinal direction of the oil receiving plate 7a, the contact member 19 can be cleaned by the inclined member 20 of the central cleaning body 12 without being caught by the step 47. is there.
[0027]
In the present embodiment configured as described above, even when the oil receiving plate 7 has the step 46 extending in the width direction, the central cleaning body 12 can pass through without being caught on the end of the step 46, so that the contact member 19 As a result, the surface of the oil receiving plate 7 can be smoothly cleaned, and the same applies to the main cleaning body 13, the first auxiliary cleaning body 14, and the second auxiliary cleaning body 15.
[0028]
In the present embodiment, even when the oil receiving plate 7a has a step 47 extending in the longitudinal direction, the contact member 19 of the central cleaning body 12 is engaged with the step 47, so that the arm member 18 The contact member 19 slides on the step 47 while the contact member 26 is turned, and the contact members 26 provided on the main cleaning bodies 13 on both sides slide on the remaining portion of the oil receiving plate 7a. The surface of the plate 7a can be cleaned at one time over almost the entire area in the width direction.
[0029]
Further, in the present embodiment, the arm member 18 of the central cleaning body 12 is constituted by the pipe portion 21, the rod-shaped portion 22, and the other pipe portion 23. The contact angle between the contact member 19 of the central cleaning body 12 and the oil receiving plates 7 and 7a can be adjusted by changing the length of the arm member 18. Further, since the arm member 25 of the main cleaning body 13 is also the same, the length of the arm member 25 can be adjusted according to the distance between the mounting shaft 8 and the oil receiving plate 7, and the length of the arm member 25 can be changed. Thereby, the contact angle of the contact member 26 of the main cleaning body 13 with the oil receiving plate 7 can also be adjusted.
[0030]
Further, in the present embodiment, the arm member 25 of the main cleaning body 13 is set to be longer than the arm member 18 of the central cleaning body 12, and the central cleaning body 12 travels ahead of the main cleaning body 13 in the traveling direction. , The overflowed sediment can flow to both sides and be collected by the main cleaning body 13 even when the accumulation amount of the sediment on the contact member 19 of the central cleaning body 12 exceeds the allowable amount. It is possible to prevent objects from being missed.
[0031]
In the above embodiment, an escalator has been described as an example of the passenger conveyor, but the present invention is not limited to this and can be applied to a moving sidewalk or the like.
[0032]
Further, in the above-described embodiment, the central cleaning body 12 includes the contact member 19, but instead of including the contact member 19, the center cleaning body 12 may be configured as a rake having a plurality of claws. The same applies to the main cleaning body 13, the first auxiliary cleaning body 14, and the second auxiliary cleaning body 15, respectively.
[0033]
Further, in the above-described embodiment, the case where the central cleaning body 12, the main cleaning body 13, the first auxiliary cleaning body 14, and the second auxiliary cleaning body 15 are provided is exemplified. The number of cleaning bodies and auxiliary cleaning bodies can be increased or decreased depending on the shape of the plates 7, 7a and the amount of deposits deposited on the oil receiving plates 7, 7a.
[0034]
【The invention's effect】
As described above, according to the first aspect of the present invention, the contact member is gradually inclined upward in the traveling direction of the contact member, and slides on the end of the step, so that the contact member is not in contact with the step. Since it passes without being caught on the end, compared to the conventional case in which the contact member contacts the oil receiving plate almost vertically, even when the oil receiving plate has a step extending in the width direction, the surface of the oil receiving plate is It can be cleaned smoothly.
[0035]
According to the invention of claim 2 of the present invention, the contact member provided on some of the arm members engages with the stepped portion extending in the longitudinal direction of the oil receiving plate, and this part of the arm members moves upward. In the rotated state, the contact member slides on the step portion of the oil receiving plate, and another contact member provided on another arm member slides on the remaining portion of the oil receiving plate. Even if the oil receiving plate has a step extending in the direction, the surface of the oil receiving plate can be cleaned at one time over almost the entire area in the width direction.
[Brief description of the drawings]
FIG. 1 is a plan view of a passenger conveyor cleaning device according to an embodiment of the present invention.
FIG. 2 is a side view of the cleaning device of the present embodiment.
FIG. 3 is a side view showing a state in which the cleaning device of the present embodiment passes through the beginning of a step.
FIG. 4 is a side view showing a state in which the cleaning device of the present embodiment passes the end of the step.
FIG. 5 is a plan view showing a state in which an oil receiving plate having a step extending in the longitudinal direction is cleaned by the cleaning device of the present embodiment.
FIG. 6 is a side view showing a state in which an oil receiving plate having a step extending in a longitudinal direction is cleaned by the cleaning device of the present embodiment.
FIG. 7 is a side view showing a state where the cleaning device of the present embodiment is mounted on a passenger conveyor.
FIG. 8 is a side view showing a state in which an upper portion of the oil receiving plate is cleaned by the cleaning device of the present embodiment.
FIG. 9 is a side view showing a state where an intermediate portion of the oil receiving plate is cleaned by the cleaning device of the present embodiment.
FIG. 10 is a side view showing a general passenger conveyor.
FIG. 11 is an enlarged plan view showing a main part of the passenger conveyor shown in FIG. 10;
[Explanation of symbols]
6 Step 7, 7a Oil receiving plate 8 Mounting shaft 10 Cleaning device 11 Mounting body 12 Central cleaning body 13 Main cleaning body 14 First auxiliary cleaning body 15 Second auxiliary cleaning body 18 Arm member 19 Contact member 20 Inclined member 25 Arm Member 26 Contact member 27 Incline member 35 Contact member 36 Incline member 41 Contact member 42 Incline member

Claims (2)

A mounting member connected to the mounting shaft of the step and a contact member supported via the mounting member and in contact with an oil receiving plate disposed below the return side of the step; In the passenger conveyor cleaning device for cleaning the oil receiving plate by sliding on the oil receiving plate by driving the step,
A cleaning device for a passenger conveyor, characterized in that a slanting member is provided at a front portion of the contact member in the traveling direction, the member being gradually inclined upward in the traveling direction of the contact member. A mounting member connected to the mounting shaft of the step and a contact member supported via the mounting member and in contact with an oil receiving plate disposed below the return side of the step; In the passenger conveyor cleaning device for cleaning the oil receiving plate by sliding on the oil receiving plate by driving the step,
A cleaning apparatus for a passenger conveyor, wherein a plurality of arm members are rotatably connected to the attachment body, and the contact members are provided on each of these arm members.

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