CN112334406A - Door track cleaning device, door track cleaning method, and elevator - Google Patents
Door track cleaning device, door track cleaning method, and elevator Download PDFInfo
- Publication number
- CN112334406A CN112334406A CN201880094967.7A CN201880094967A CN112334406A CN 112334406 A CN112334406 A CN 112334406A CN 201880094967 A CN201880094967 A CN 201880094967A CN 112334406 A CN112334406 A CN 112334406A
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- China
- Prior art keywords
- door
- door rail
- hanger
- cleaning device
- state
- Prior art date
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- 238000004140 cleaning Methods 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims description 13
- 238000007790 scraping Methods 0.000 claims abstract description 6
- 230000004308 accommodation Effects 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 55
- 210000000078 claw Anatomy 0.000 description 10
- 239000000126 substance Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
Landscapes
- Elevator Door Apparatuses (AREA)
Abstract
A cleaning device (20) is provided with: a hanger fixing portion fixed to a hanger (4b) of the hanger door; and a scraper part (52) which has a bottom surface (52a) contacting with the upper surface (6b) of the door rail (6) when cleaning the door rail (6) and is used for scraping the foreign matters on the door rail (6). The door is moved in a state where the cleaning device (20) is fixed to the hanger (4b), thereby scraping off foreign matter on the upper surface (6b) of the door rail (6) by the scraper portion (52) and cleaning the upper end portion of the door rail (6).
Description
Technical Field
The present invention relates to a door track cleaning device and a door track cleaning method for cleaning a door track for suspending and guiding a door in an elevator. The invention also relates to an elevator.
Background
As described in patent document 1, an elevator includes a door rail that suspends and guides a door provided in a car or a landing. More specifically, the door is suspended from a hanger, and a roller that moves on the door rail is rotatably attached to the hanger.
Documents of the prior art
Patent document
Patent document 1: international publication No. 2006/097997
Disclosure of Invention
Problems to be solved by the invention
As the roller moves on the door rail, foreign matter such as dust and lubricating oil easily moves to the end portion on the door rail and easily accumulates at the end portion. In particular, in the case of a door rail provided in a car, it is difficult for a person's hand to reach an end portion of the door rail, and it is difficult to remove foreign matter accumulated on the end portion. However, if the foreign matter accumulated on the end portion cannot be removed, the foreign matter may prevent the door from being smoothly opened and closed.
Accordingly, an object of the present invention is to provide a door rail cleaning device and a door rail cleaning method that can easily remove foreign matter accumulated on an end of an elevator door rail. Another object of the present invention is to provide an elevator in which foreign matter accumulated at an end of a door rail can be easily removed.
Means for solving the problems
In order to solve the above problem, a door rail cleaning device according to the present invention is a door rail cleaning device for cleaning a door rail for suspending and guiding a door in an elevator, the door rail cleaning device including: a hanger fixing portion fixed to a hanger suspending the door; and a foreign matter removing part having a lower surface contacting an upper surface of the door rail when cleaning the door rail, the foreign matter removing part being for scraping off foreign matter on the door rail.
According to the present invention, the door rail cleaning device can be fixed to the hanger of the elevator in a state where the lower surface of the foreign matter removing portion is brought into contact with the upper surface of the door rail and the foreign matter removing portion is disposed at the distal end side of the roller sliding on the rail. In addition, in the state where the cleaning device is fixed to the hanger in this way, the door can be moved in the opening direction to the fully opened state or in the closing direction from the fully opened state. Therefore, by this operation, the foreign matter accumulated at the end of the door rail can be scraped off by the foreign matter removing portion and pushed out of the door rail, or the scraped foreign matter can be stuck to the foreign matter removing portion and conveyed to the inside of the door rail. Therefore, the foreign matter located at the end of the door rail is easily removed, and thus the door can be smoothly moved.
In the present invention, the hanger fixing portion may be fixed to the hanger such that a portion of the lower surface of the foreign matter removal portion is in contact with the upper surface of the door rail and a tip of the lower surface protrudes outward from one side tip of the door rail in the fully opened state of the door.
According to the above configuration, when the door is in the fully open state, the distal end of the lower surface of the foreign matter removal portion can be made to protrude outward from the one-side distal end of the door rail. Therefore, the foreign matter accumulated at the end of the door rail can be easily pushed out to the outside of the door rail, and the door rail can be cleaned.
In the present invention, the door rail cleaning device may include: a main body provided with the foreign matter removal portion at one side in a height direction, the foreign matter removal portion being provided to extend in a direction substantially perpendicular to the height direction, the main body including an oiling member mounting portion having a portion at the other side in the height direction; an oil supply member attached to the oil supply member attachment portion with a distal end side thereof protruding from the main body to the other side in the height direction, the oil supply member being made of a material capable of being impregnated with oil; and a holder having a holding portion that holds the main body and the hanger fixing portion, the holder being capable of obtaining the following state in a state in which the hanger fixing portion is fixed to the hanger: a 1 st state in which the holding portion holds the main body in a state in which the other side in the height direction is positioned on the lower side; and a 2 nd state in which the holding portion holds the main body in a state in which one side in the height direction is positioned on a lower side.
According to the above configuration, in the 1 st state, the lower end portion of the filler member attached to the filler member attachment portion is brought into contact with the upper surface of the door rail, whereby the upper surface of the door rail can be lubricated with the oil impregnated in the filler member. Therefore, by setting the state to the 1 st state during normal operation of the elevator, the door rail cleaning device can be used as the oil supply device during normal operation, and the roller can be easily rotated and moved smoothly on the door rail.
In the 2 nd state, the lower surface of the foreign matter removing portion can be brought into contact with the upper surface of the door rail, and the foreign matter removing portion can be disposed at a position closer to the distal end side than the roller. Therefore, when cleaning the door rail, in the 2 nd state, the door is moved in the opening direction to the fully opened state or in the closing direction from the fully opened state, whereby the foreign matter on the door rail can be removed.
In addition, by setting the state to the 1 st state during the normal operation of the elevator, not only the door rail can be lubricated at all times by the oil from the oiling member, but also the foreign matter removing portion can be held above the oiling member in a state of not contacting the door rail. Therefore, the cleaning of the door rail can be performed only by turning the main body and holding the main body in the holding portion without carrying the door rail cleaning device when cleaning the door rail. Therefore, the door rail cleaning device can be made excellent in operational convenience.
In the present invention, the fueling member mounting portion may be an accommodating recess having an opening on the other side in the height direction, and the fueling member may include: an accommodating portion accommodated in the accommodating recess; and a protruding portion that protrudes from the opening to the other side in the height direction, wherein the main body has a bottom plate portion that constitutes a bottom of the accommodating recess portion on one side in the height direction, and the bottom plate portion has a through hole that communicates with the accommodating recess portion.
According to the above configuration, the oil feeding member can be easily and reliably attached to the main body by simply housing the housing portion of the oil feeding member in the housing recess by press-fitting or the like. Further, since most of the outer surface of the housing portion can be covered with the inner surface of the housing recess when the oiling member is attached, drying or volatilization of the oil impregnated in the oiling member can be suppressed. Further, since the through hole is provided in the bottom plate portion constituting the bottom of the accommodating recess, when the elevator is in normal operation and the oiling member is in contact with the upper surface of the door rail, the lubricant can be supplied from above to the accommodating portion of the oiling member through the through hole by using a dropper or the like. Therefore, the lubricating oil can be easily replenished to the oil feeding member without detaching the cleaning device from the hanger.
In the present invention, the door rail cleaning device may further include a pressing structure including: a hanger mounting portion mounted to the hanger; and a pressing portion extending in a height direction, wherein in the 2 nd state, the pressing portion presses the oiling member attached to the oiling member attaching portion to one side in the height direction, thereby pressing the foreign matter removing portion to the upper surface.
According to the above structure, in the 2 nd state, the foreign matter removal part can be pressed to the upper surface of the door rail by the pressing structure. Therefore, the lower surface of the foreign matter removing portion can be brought into close contact with the upper surface of the door rail during cleaning, and foreign matter on the door rail can be effectively scraped off.
A door rail cleaning method according to the present invention is a door rail cleaning method for cleaning a door rail suspending and guiding a door in an elevator using the door rail cleaning device according to the present invention, the door rail cleaning method including: a fixing step of fixing the hanger fixing part to the hanger such that a portion of the lower surface of the foreign matter removing part of the door rail cleaning apparatus is in contact with an upper surface of the door rail and a tip of the lower surface protrudes outward from one side tip of the door rail in a fully opened state of the door; and a moving step of moving the door to the fully opened state in an opening direction after the fixing step.
The elevator of the present invention is provided with the door track cleaning device of the present invention.
According to these inventions, foreign matter accumulated at the end of the door rail can be easily removed.
In the elevator according to the present invention, in a fully open state of the door, a portion of the lower surface of the foreign matter removal portion of the door rail cleaning device may contact an upper surface of the door rail, and a tip end of the lower surface may protrude outward from one tip end of the door rail.
According to the above configuration, when the door is in the fully open state, the distal end of the lower surface of the foreign matter removal portion can be made to protrude outward from the one-side distal end of the door rail. Therefore, the foreign matter accumulated at the end of the door rail can be easily pushed out to the outside of the door rail, and the door rail can be cleaned.
Effects of the invention
According to the door rail cleaning device, the door rail cleaning method, and the elevator of the present invention, foreign matter accumulated at the end of the door rail can be easily removed.
Drawings
Fig. 1 is a schematic front view of a car door of an elevator viewed from a landing side, and illustrates operations of a pair of doors of the car door.
Fig. 2 is an enlarged perspective view showing the periphery of the longitudinal outer side portion of the hanger in the elevator in normal operation.
Fig. 3 is a perspective view of the cleaning device as viewed from the direction indicated by the arrow a in fig. 2.
Fig. 4 is a perspective view of a holder of the cleaning device.
Fig. 5 is a perspective view corresponding to fig. 3 of the cleaning device in which the holder holds the main body upside down, as compared with the case shown in fig. 3.
Fig. 6 is an enlarged perspective view corresponding to fig. 2 of an elevator in which cleaning work is being performed.
Fig. 7 is a side view of a pressing structure that the cleaning device can be provided with.
Fig. 8 is a perspective view of a holder according to a modification.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, when a plurality of embodiments, modifications, and the like are included below, it is assumed from the beginning that a new embodiment is constructed by appropriately combining the characteristic portions thereof. In the following embodiments, the same components are denoted by the same reference numerals in the drawings, and redundant description thereof is omitted. In addition, the drawings include schematic drawings, and the size ratios of the vertical, horizontal, and vertical of each member are not necessarily uniform among different drawings.
Fig. 1 is a schematic front view of a car door 2 of an elevator 1 as viewed from a landing side, and illustrates operations of a pair of doors 2a and 2b of the car door 2. As shown in fig. 1, the car 5 has a door rail 6 extending in the width direction of the doorway at an upper portion of the doorway. The doors 2a and 2b are suspended by hangers 4a and 4b, and rollers 7a and 7b that rotate on the door rail 6 are rotatably attached to the hangers 4a and 4 b.
The elevator 1 further includes 1 st and 2 nd pulleys 8a and 8b and an endless belt 9. The 1 st and 2 nd pulleys 8a and 8b are disposed to face each other in the width direction so that the rotation shafts extend in the normal direction of the car door 2, and the 1 st pulley 8a is rotated by the power of the motor 10. The endless belt 9 is mounted on the 1 st and 2 nd pulleys 8a and 8b, and the endless belt 9 is circulated if the motor 10 is driven. One hanger 4a is fixed to an upper portion 9a of the endless belt 9 which moves in the width direction on the upper side when the endless belt 9 circularly moves, and the other hanger 4b is fixed to a lower portion 9b which is located on the lower side than the upper portion 9a and moves to the opposite side to the upper portion 9a when the endless belt 9 circularly moves.
As a result, if the motor 10 is rotated to one side, the doors 2a and 2b move in the opening direction to the opposite side in the width direction, and if the motor 10 is rotated to the other side, the doors 2a and 2b move in the closing direction to the opposite side in the width direction. In the example shown in fig. 1, the endless member that circulates is the endless belt 9, but the endless member may be an interlocking rope (an endless metal cable).
Fig. 2 is an enlarged perspective view showing the periphery of the longitudinal direction outer side portion of the hanger 4b in the elevator 1 in normal operation. As shown in fig. 2, the elevator 1 includes a door rail cleaning device (hereinafter, simply referred to as a cleaning device) 20 attached to a hanger 4b, and the cleaning device 20 includes a holder 30, a main body 50, and an oil feeding member 70.
The holder 30 is formed of a metal flat plate bent in a substantially vertical direction at a plurality of positions, and is fixed to the rail side surface 12 of the hanger 4b by bolts 11. Specifically, the holder 30 includes a 1 st flat plate portion 31, a 2 nd flat plate portion 32, a 3 rd flat plate portion 33, and a 4 th flat plate portion 34 as examples of the hanger fixing portion, and the back surface of the 1 st flat plate portion 31 is disposed so as to be in contact with the rail side surface 12. The 1 st flat plate portion 31 has a recess or a through hole penetrating in the thickness direction. The shaft of the bolt 11 is screwed into the hanger 4b after passing through the recess or the through hole, whereby the 1 st flat plate portion 31 is fixed to the hanger 4 b.
The 2 nd flat plate portion 32 extends from an end portion of the 1 st flat plate portion 31 on the opposite side to the roller 7b side substantially in the normal direction of the rail side surface 12. The 3 rd flat plate portion 33 extends in the extending direction of the door rail 6 from the end portion of the 2 nd flat plate portion 32 on the side opposite to the 1 st flat plate portion 31 to the side opposite to the 1 st flat plate portion 31. The 4 th flat plate portion 34 extends from the end portion of the 3 rd flat plate portion 33 opposite to the 2 nd flat plate portion 32 side toward the rail side surface 12 side substantially in the normal direction.
The main body 50 is made of metal such as aluminum or steel, or hard resin such as ABS resin or polycarbonate. The main body 50 has a mounting portion that is received in a recess surrounded by the 2 nd to 4 th flat plate portions 32 to 34 in three sides. The mounting portion is mounted to the recess, and as a result, the main body 50 is indirectly mounted to the hanger 4b via the holder 30 and is stationary with respect to the hanger 4 b.
The oil feeding member 70 is made of a material capable of being impregnated with oil, for example, felt, sponge, brush, or the like. The oil feeding member 70 is impregnated with lubricating oil. The oil supplying member 70 is mounted to the main body 50. The mounting structure of the mounting portion to the recess and the mounting structure of the oil feeding member 70 to the main body 50 will be described in detail later.
The oil feeding member 70 has a protruding portion 71 protruding downward from the main body 50 in a state of being attached to the main body 50, and a lower end portion of the protruding portion 71 contacts an upper surface of the door rail 6. As the hanger 4b moves, the protrusion 71 slides on the upper surface of the door rail 6 in the extending direction of the door rail 6, whereby the upper end portion 6a of the door rail 6 is lubricated by the oil immersed in the oil feed member 70, and as a result, the roller 7b can move smoothly on the door rail 6.
Fig. 3 is a perspective view of the cleaning device 20 as viewed from the direction indicated by the arrow a in fig. 2. As shown in fig. 3, the body 50 includes a column portion 51 formed of a column such as a rectangular parallelepiped, and a flight portion 52 provided on one side in the height direction of the column portion 51. The flight portion 52 is an example of a foreign matter removal portion, and extends in a vertical direction substantially perpendicular to the height direction of the column portion 51. A bottom surface 52a of the scraper portion 52 on one side in the height direction is a flat surface, and the bottom surface 52a extends in a direction substantially perpendicular to the height direction of the cleaning device 20.
The scraper portion 52 has a blade shape, more specifically, a sharp blade shape whose thickness decreases toward the end side in the vertical direction. Since the scraper portion 52 has a sharp blade shape, in a state where the bottom surface 52a of the scraper portion 52 is in contact with the flat surface, the scraper portion 52 is moved relative to the flat surface, whereby foreign substances adhering to or deposited on the flat surface can be scraped off, and the flat surface can be cleaned.
The pillar portion 51 has an accommodation recess 73 as an example of the oiling member attachment portion. The accommodation recess 73 extends in the height direction and is open only at the other side in the height direction. The oil feeding member 70 is attached to the accommodating recess 73 by press fitting or the like in a state where the distal end side protrudes from the accommodating recess 73 to the other side in the height direction. The oil feeding member 70 may be detachable from the main body 50, or may be fixed to the main body 50 with an adhesive or the like. The oil feeding member 70 includes an accommodating portion 77 accommodated in the accommodating recess 73, and a protruding portion 71 protruding from an opening 75 of the accommodating recess 73 toward the other side in the height direction. Further, the main body 50 has a bottom plate portion 55 constituting a bottom of the accommodating recess 73 on one side in the height direction. The bottom plate 55 is provided with a through hole 56 communicating with the accommodation recess 73.
Next, a structure for holding the main body 50 by the holder 30 will be described. Fig. 4 is a perspective view of the holder 30. As shown in fig. 4, the holder 30 includes the 1 st to 4 th plate portions 31 to 34, and the 1 st plate portion 31 is provided with one or more recesses 35. The recess 35 is open at one side in the height direction and penetrates the 1 st flat plate portion 31 in the thickness direction.
The holder 30 further includes a locking claw 36. The locking claw 36 protrudes from the end portion of the 4 th flat plate portion 34 on the opposite side to the 3 rd flat plate portion 33 side toward the 2 nd flat plate portion 32 side. The 1 st to 4 th plate portions 31 to 34 and the locking claws 36 have the same height. Referring again to fig. 3, the 4 th flat plate portion 34 and the locking claws 36 are distorted so that the locking claws 36 are deformed toward the 4 th flat plate portion 34, and the side surfaces of the body 50 are pressed from both sides by the locking claws 36 and the 2 nd flat surface portion 32 while being sandwiched therebetween. The main body 50 is held by the holder 30 by the pressing force. The 2 nd to 4 th flat plate portions 32 to 34 and the locking claws 36 constitute a holding portion that holds the main body 50.
As shown in fig. 3, the holder 30 is made of a band-shaped metal material having a plurality of bent portions, and the body 50 has a column portion 51 extending in the height direction. With this structure, as shown in fig. 5, the body 50 can be held by the holder 30 in a state where the height direction of the pillar portion 51 is reversed compared to fig. 3.
In this state, as shown in fig. 6, the shaft portion of the bolt 11 is inserted into the recess 35 of the holder 30 and then screwed into the hanger 4b, whereby the cleaning device 20 can be fixed to the hanger 4b with the bottom surface 52a of the flight portion 52 in contact with the upper surface 6b of the door rail 6.
As shown in fig. 2, the holder 30 can obtain the 1 st state in which the holder holds the main body 50 in a state where the other side in the height direction is located on the lower side (a state where the oil feeding member 70 is located on the lower side) in a state where it is fixed to the hanger 4 b. Further, as shown in fig. 6, the holder 30 can obtain the 2 nd state in which the holder holds the main body 50 in a state in which one side in the height direction is lower (a state in which the flight portion 52 is lower).
As described above, in the state 1, by operating the doors 2a and 2b, the fueling member 70 can be slid in the extending direction of the door rail 6 with respect to the upper surface 6b of the door rail 6, and the upper end portion 6a of the door rail 6 can be lubricated by the oil impregnated in the fueling member 70. In the 2 nd state, by operating the doors 2a and 2b, foreign matter adhering to the upper surface 6b of the door rail 6 can be scraped off by the scraper portion 52, and the upper surface 6b of the door rail 6 can be cleaned.
The hanger 4b has a mounting hole for mounting the cleaning device 20. The bolt 11 is screwed into the mounting hole through the recess 35, and as a result, the cleaning device 20 is fixed to a predetermined position of the hanger 4 b. In the elevator 1, when the doors 2a and 2b are fully opened in a state where the cleaning device 20 is fixed to a predetermined position of the hanger 4b, the end of the flight portion 52 is located outside the end of the door rail 6. As shown in fig. 1, in the elevator 1, another cleaning device 20 is attached to the outer side of the roller 7a of the hanger 4 a.
As described above, the cleaning device 20 is used to clean the door rail 6 that suspends and guides the doors 2a and 2b in the elevator 1. The cleaning device 20 further includes: a 1 st flat plate portion (hanger fixing portion) 31 fixed to hangers 4a, 4b suspending the doors 2a, 2 b; and a scraper portion (foreign matter removing portion) 52 having a bottom surface (lower surface) 52a contacting with the upper surface 6b of the door rail 6 when cleaning the door rail 6, and for scraping off foreign matter on the door rail 6.
Therefore, the cleaning device 20 can be fixed to the hangers 4a, 4b of the elevator 1 in a state where the bottom surface 52a of the flight portion 52 is brought into contact with the upper surface 6b of the door rail 6 and the flight portion 52 is arranged at the distal end side of the rollers 7a, 7b sliding on the door rail 6. In the state where the cleaning device 20 is fixed to the hangers 4a and 4b in this way, the doors 2a and 2b can be moved in the opening direction to the fully opened state or in the closing direction from the fully opened state. Therefore, by this operation, the foreign matter accumulated at the end of the door rail 6 can be scraped off by the scraper portion 52 and pushed out of the door rail 6, or the scraped foreign matter can be stuck to the scraper portion 52 and conveyed to the inside of the door rail 6. Therefore, foreign matter at the end of the door rail 6, which is difficult to reach and remove by hand in the conventional cleaning work, is easily removed, and thus the doors 2a and 2b can be smoothly moved.
Further, the 1 st flat plate portion 31 may be fixed to the hangers 4a, 4b so that a part of the bottom surface 52a of the flight portion 52 contacts the upper surface 6b of the door rail 6 and the tip end of the bottom surface 52a protrudes outward from the one tip end of the door rail 6 in the fully opened state of the doors 2a, 2 b.
According to the above configuration, when the doors 2a and 2b are fully opened, the end of the bottom surface 52a of the flight portion 52 can be projected outward from the end on one side of the door rail 6. Therefore, foreign matter accumulated at the end of the door rail 6 can be easily pushed out to the outside of the door rail 6, and the door rail 6 can be cleaned.
The cleaning device 20 may further include a main body 50, the main body 50 may be provided with a flight portion 52 on one side in the height direction, the flight portion 52 may be provided to extend in a direction substantially perpendicular to the height direction, and the main body 50 may include an accommodation recess (oil feeding member attachment portion) 73, and the accommodation recess (oil feeding member attachment portion) 73 may have a portion located on the other side in the height direction. Further, the cleaning device 20 may include: an oil supply member 70 attached to the accommodation recess 73 with a distal end side thereof protruding from the main body 50 toward the other side in the height direction, and made of a material capable of being impregnated with oil; and a holder 30 having a holding portion for holding the main body 50 and the 1 st flat plate portion 31. In addition, in a state where the 1 st flat plate portion 31 is fixed to the hangers 4a, 4b, the cleaning device 20 can obtain the following state: a 1 st state in which the holding portion holds the main body 50 in a state in which the other side (the oiling member 70 side) in the height direction is positioned on the lower side; and a 2 nd state in which the holding portion holds the main body 50 in a state in which one side in the height direction (the flight portion 52 side) is positioned lower.
According to the above configuration, in the 1 st state, the lower end portion of the fueling member 70 mounted in the accommodating recess 73 is brought into contact with the upper surface 6b of the door rail 6, whereby the upper surface 6b of the door rail 6 can be lubricated with the oil immersed in the fueling member 70. Therefore, by setting the state 1 in the normal operation of the elevator 1, the cleaning device 20 can be used as an oil supply device in the normal operation, and the rollers 7a and 7b can be easily rotated and moved smoothly on the door rail 6.
In the 2 nd state, the bottom surface 52a of the flight portion 52 can be brought into contact with the upper surface 6b of the door rail 6, and the flight portion 52 can be disposed at the distal end side of the rollers 7a and 7 b. Therefore, when cleaning the door rail 6, the doors 2a and 2b are moved in the opening direction to the fully opened state or in the closing direction from the fully opened state in the 2 nd state, whereby the foreign matter on the door rail 6 can be removed.
In addition, by setting the state 1 in the normal operation of the elevator 1, not only the door rail 6 can be lubricated at all times by the oil from the oiling member 70, but also the flight portion 52 can be held above the oiling member 70 in a state of not contacting the door rail 6. Therefore, cleaning of the door rail 6 can be performed only by turning the main body 50 upside down and holding the holding portion of the holder 30 without carrying the cleaning device 20 when cleaning the door rail 6. Therefore, the cleaning device 20 can be operated with excellent convenience.
Further, the fuel filler member mounting portion may be the accommodating recess 73 having the opening 75 on the other side in the height direction. The oil feeding member 70 may have a housing portion 77 housed in the housing recess 73, and a protruding portion 71 protruding from the opening 75 toward the other side in the height direction. The main body 50 may have a bottom plate 55 constituting a bottom of the accommodation recess 73 on one side in the height direction. The bottom plate 55 may have a through hole 56 communicating with the accommodation recess 73.
According to the above configuration, the oil feeding member 70 can be easily and reliably attached to the main body 50 by simply press-fitting the accommodating portion 77 of the oil feeding member 70 into the accommodating recess 73. Further, since most of the outer surface of the housing portion 77 can be covered with the inner surface of the housing recess 73 when the oil feeding member 70 is attached, drying or volatilization of the oil impregnated in the oil feeding member 70 can be suppressed. Further, since the through hole 56 is provided in the bottom plate portion 55 constituting the bottom of the accommodating recess 73, when the elevator 1 is in normal operation and the oiling member 70 is in contact with the upper surface 6b of the door rail 6, the lubricant can be supplied from above to the accommodating portion 77 of the oiling member 70 through the through hole 56 using a dropper or the like. Therefore, the lubricating oil can be easily replenished to the oil feeding member 70 without detaching the cleaning device 20 from the hangers 4a, 4 b.
The door rail cleaning method of the present invention is a cleaning method for cleaning the door rail 6 suspending and guiding the doors 2a and 2b in the elevator 1 by using the cleaning device 20 of the present invention. Further, the door track cleaning method includes: a fixing step of fixing the 1 st flat plate portion (hanger fixing portion) 31 to the hangers 4a, 4b so that a part of the bottom surface 52a of the flight portion 52 of the cleaning device 20 is in contact with the upper surface 6b of the door rail 6 and the tip of the bottom surface 52a protrudes outward from the one-side tip of the door rail 6 in the fully opened state of the doors 2a, 2 b; and a moving step of moving the doors 2a, 2b in the opening direction to a fully opened state after the fixing step. In the moving step, the doors 2a and 2b are preferably reciprocated at least 1 time, more preferably 2 times or more. In the moving step, if the doors 2a and 2b are reciprocated 5 times or more, even foreign matter stuck to the upper surface 6b of the door rail 6 can be easily removed.
The elevator 1 of the present invention may be provided with the cleaning device 20 of the present invention. However, in the elevator 1, it is preferable that, in the fully opened state of the doors 2a and 2b, a part of the bottom surface 52a of the flight portion 52 of the cleaning device 20 is in contact with the upper surface 6b of the door rail 6, and the tip of the bottom surface 52a protrudes outward from one tip of the door rail 6. In this case, foreign matter accumulated at the end of the door rail 6 can be easily pushed out to the outside of the door rail 6, and the door rail 6 can be cleaned.
The present invention is not limited to the above-described embodiments and modifications thereof, and various improvements and modifications can be made within the scope of the items described in the claims of the present application and their equivalents.
For example, in the above embodiment, there is no structure in which the flight portion 52 is pressed downward in the 2 nd state. However, the cleaning device may have a structure in which the scraper portion 52 is pressed downward in the 2 nd state. Specifically, the cleaning device may further include a pressing structure 80 shown in a side view in fig. 7, and the pressing structure 80 may include a flat plate-shaped magnet 81, and the magnet 81 is an example of a hanger attachment portion attached to the hanger. The pressing structure 80 may include a coil spring 83 as an example of a pressing portion, the coil spring 83 may be connected to the magnet 81 via a coupling portion 82 to which the magnet 81 is fixed, and the coil spring 83 may extend in the vertical direction when the mounting surface 81a of the magnet 81 is mounted on the door rail side surface of the hanger.
Referring to fig. 6, the magnet 81 may be attached to the upper region 12a, and the oil feeding member 70 may be pressed downward by the coil spring 83, and the upper region 12a may be positioned above the oil feeding member 70 of the cleaning device 20 fixed to the hanger 4b on the rail side surface 12 of the hanger 4 b. In this way, the oil feeding member 70 may be pressed downward by the coil spring 83, and the flight portion 52 may be pressed downward by the coil spring 83 via the oil feeding member 70, so that the bottom surface 52a of the flight portion 52 may be pressed against the upper surface 6b of the door rail 6.
According to this configuration, in the 2 nd state, the pressing structure 80 can press the bottom surface 52a of the flight portion 52 against the upper surface 6b of the door rail 6. Therefore, the bottom surface 52a of the scraper portion 52 can be brought into close contact with the upper surface 6b of the door rail 6, and foreign matter on the door rail 6 can be effectively scraped. Further, although the description has been given of the case where the hanger attachment portion is the magnet 81, the hanger attachment portion may include a fastening member such as a bolt and a screw hole located above the oil feeding member of the cleaning device fixed to the hanger in the rail side surface. Further, the pressing portion is constituted by the coil spring 83, but the pressing portion may be constituted by a rod-shaped portion, and the rod-shaped portion may extend in the vertical direction when the hanger attachment portion is attached to the predetermined position of the hanger.
Further, the holder 30 may not have the structure shown in fig. 4. For example, the holder 130 may have a configuration as shown in fig. 8, or the like, and may include a 2 nd flat plate portion 132 and a 3 rd flat plate portion 133 that are substantially parallel to the 1 st flat plate portion 131 attached to the hanger, and both the 2 nd flat plate portion 132 and the 3 rd flat plate portion 133 may overlap the 1 st flat plate portion 131 when viewed from the normal direction of the 1 st flat plate portion 131.
Further, the holder 130 may include: a 4 th flat plate portion 134 which connects one end portions in the extending direction of the 1 st and 2 nd flat plate portions 131 and 132 to each other and extends in the normal direction; and a 5 th flat plate portion 135 which connects the other end portions in the extending direction of the 2 nd flat plate portion 132 and the 3 rd flat plate portion 133 to each other and extends in the normal direction.
The holder 130 may further include a locking claw 136 protruding from one end of the 3 rd flat plate portion 133 toward the 1 st flat plate portion 131 side in the normal direction. The 2 nd, 3 rd, 5 th and locking claws 132, 133, 135 and 136 may form a holding portion for holding the main body of the cleaning device. The holder 130 may have a projection 137 projecting in the normal direction on the 3 rd flat plate portion 133 side of the 4 th flat plate portion 134, and the projection 137 may prevent the main body from coming off the holder. Alternatively, the holder may have a structure other than the structures shown in fig. 4 and 8. In short, the holder may have any configuration as long as it has a holding portion for holding the main body and a hanger fixing portion fixed to the hanger.
Further, although the case where the body 50 is held by the holder 30 using the locking claw 36 has been described, the body may be held by the holder by screwing the body to the holder.
Further, the description has been given of the case where the hanger fixing portion of the holder 30 includes one or more recesses 35 through which the bolts 11 are inserted, but the hanger fixing portion of the holder may include one or more through holes through which the bolts are inserted. Alternatively, the hanger fixing portion of the retainer may include one or more recesses into which the bolts are inserted and one or more through holes into which the bolts are inserted.
Further, as shown in fig. 5, the case where the pillar portion 51 of the main body 50 has a rectangular parallelepiped shape has been described, but the pillar portion of the main body may have a cylindrical shape, a polygonal shape other than a rectangular parallelepiped shape, or a columnar shape.
The foreign matter removing portion is constituted by the sharp scraper portion 52, and the scraper portion 52 extends from the column portion 51 in the vertical direction substantially perpendicular to the height direction of the main body 50. However, the foreign matter removing portion may not be sharp at the end side of the door rail in a state where the cleaning device is installed on the hanger. Further, the foreign substance removal portion may not protrude in the vertical direction from a portion of the main body other than the foreign substance removal portion. For example, the bottom surface of the pillar portion may be brought into contact with the upper surface of the door rail, or the foreign matter removal portion may be constituted by the bottom surface of the pillar portion.
The foreign matter removing portion may have a lower surface abutting against the upper surface of the door rail, and the lower surface may have a hardness capable of scraping off foreign matter on the door rail. The hardness of the lower surface of the foreign matter removal portion may be harder than a material usable as the oil supply member, or may be harder than any rubber material. The hardness of the lower surface of the foreign substance removal portion is preferably 60R (R scale) or more, more preferably 80R or more, further preferably 100R or more, and most preferably 110R or more, when rockwell hardness is used as a criterion. The lower surface of the foreign substance removal portion may be formed of a resin material having such rockwell hardness, but is preferably formed of a metal material.
The case where the main body 50 has the accommodating recess 73 that is open only on one side in the height direction and the fuel filler member 70 is attached to the accommodating recess 73 has been described. However, the main body may hold the oil feeding member by the same structure as that of the holder holding main body described above. Alternatively, the main body may have a flat plate portion to which the oil feeding member is fixed by an adhesive or the like, and the flat plate portion may extend in the substantially vertical direction in a state where the cleaning device is fixed to the hanger. In this case, the flat plate portion constitutes the oiling member mounting portion, but since the oiling member is exposed, the through hole 56 (see fig. 3) described above need not be provided in the main body.
Further, the case where the cleaning device 20 has a structure to which the oil feeding member 70 can be attached, and has an oil feeding function in addition to the cleaning function has been described. However, the cleaning device may not have a mounting portion to which the oil feeding member is mounted, and the cleaning device may not have an oil feeding function and only has a cleaning function.
In addition, a case where the end of the flight portion 52 protrudes outward beyond the end of the door rail 6 in the fully opened state of the elevator 1 is described. However, in the fully opened state of the elevator, the end of the foreign matter removal portion may be present at the same position as the end of the door rail, or may be located closer to the center side of the door rail than the end of the door rail.
The cleaning device 20 is provided to the hangers 4a and 4b of the car 5. However, the cleaning device may be fixed to a hanger that suspends the landing door. In particular, in the same manner as the door rail of the car, it is often difficult for a person's hand to reach the end portion of the door rail in the lowermost landing door. Therefore, it is preferable that the cleaning device of the present invention is fixed to a hanger suspending such a landing door, in particular, since the end of the door rail can be cleaned easily and cleanly.
Further, the description has been given of the case where the cleaning device 20 is applied to a double door including the doors 2a and 2b that move in opposite directions to each other. However, the cleaning device may be applied to a single-opening door having more than one door and all the doors move in the same direction.
Description of the reference symbols
1: an elevator; 2a, 2 b: a door; 4a, 4 b: a hanger; 6: a door track; 6 b: an upper surface of the door track; 20: a cleaning device; 30. 130, 130: a holder; 31. 131: the 1 st flat plate portion (hanger fixing portion); 50: a main body; 52: a scraper part (foreign matter removing part); 52 a: the bottom surface of the scraper portion (the lower surface of the foreign matter removal portion); 55: a bottom plate portion of the main body; 56: a through hole; 70: an oil supply member; 71: a protrusion of the oil supplying member; 73: an accommodating recess (oil feeding member mounting portion); 75: an opening accommodating the recess; 77: a housing portion of the oil supply member; 80: a pressing structure; 81: a magnet (hanger mounting portion); 81 a: a mounting surface of the magnet; 83: a coil spring (pressing portion).
Claims (8)
1. A door rail cleaning device for cleaning a door rail for suspending and guiding a door in an elevator,
the door rail cleaning device is provided with:
a hanger fixing portion fixed to a hanger suspending the door; and
and a foreign matter removing part having a lower surface contacting an upper surface of the door rail when cleaning the door rail, the foreign matter removing part being for scraping off foreign matters on the door rail.
2. The door track cleaning device according to claim 1,
the hanger fixing part may be fixed to the hanger such that a portion of the lower surface of the foreign matter removal part is in contact with the upper surface of the door rail and a tip of the lower surface protrudes outward from one side tip of the door rail in a fully opened state of the door.
3. The door track cleaning device according to claim 1 or 2,
the door rail cleaning device is provided with:
a main body provided with the foreign matter removal portion at one side in a height direction, the foreign matter removal portion being provided to extend in a direction substantially perpendicular to the height direction, the main body including an oiling member mounting portion having a portion at the other side in the height direction;
an oil supply member attached to the oil supply member attachment portion with a distal end side thereof protruding from the main body to the other side in the height direction, the oil supply member being made of a material capable of being impregnated with oil; and
a holder having a holding portion that holds the main body and the hanger fixing portion,
in a state where the hanger fixing portion is fixed to the hanger, the following state can be obtained: a 1 st state in which the holding portion holds the main body in a state in which the other side in the height direction is positioned on the lower side; and a 2 nd state in which the holding portion holds the main body in a state in which one side in the height direction is positioned on a lower side.
4. The door track cleaning device according to claim 3,
the oil feeding member mounting portion is an accommodating recess having an opening on the other side in the height direction,
the oil supply member has: an accommodating portion accommodated in the accommodating recess; and a protruding portion protruding from the opening to the other side in the height direction,
the main body has a bottom plate portion on one side in the height direction, the bottom plate portion constituting a bottom of the accommodation recess,
the bottom plate portion has a through hole communicating with the accommodation recess.
5. The door track cleaning device according to claim 3 or 4,
the door track cleaning device further includes a pressing structure having: a hanger mounting portion mounted to the hanger; and a pressing portion extending in the height direction,
in the 2 nd state, the pressing portion presses the fuel filler attached to the fuel filler attachment portion to one side in the height direction, thereby pressing the foreign matter removal portion to the upper surface.
6. A door rail cleaning method for cleaning a door rail for suspending and guiding a door in an elevator by using the door rail cleaning apparatus according to any one of claims 1 to 5,
the door track cleaning method comprises the following steps:
a fixing step of fixing the hanger fixing part to the hanger such that a portion of the lower surface of the foreign matter removing part of the door rail cleaning apparatus is in contact with an upper surface of the door rail and a tip of the lower surface protrudes outward from one side tip of the door rail in a fully opened state of the door; and
a moving step of moving the door in an opening direction to the fully opened state after the fixing step.
7. An elevator provided with the door rail cleaning device according to any one of claims 1 to 5.
8. The elevator according to claim 7,
in a fully open state of the door, a portion of the lower surface of the foreign matter removing part of the door rail cleaning device is in contact with an upper surface of a door rail, and a tip of the lower surface protrudes outward from one side tip of the door rail.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/025550 WO2020008596A1 (en) | 2018-07-05 | 2018-07-05 | Door rail cleaning device, door rail cleaning method, and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112334406A true CN112334406A (en) | 2021-02-05 |
| CN112334406B CN112334406B (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880094967.7A Active CN112334406B (en) | 2018-07-05 | 2018-07-05 | Door track cleaning device, door track cleaning method, and elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6505958B1 (en) |
| CN (1) | CN112334406B (en) |
| WO (1) | WO2020008596A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102403570B1 (en) * | 2021-01-25 | 2022-05-30 | 엄세현 | Sludge removal device of elevator hanger rail |
| CN114249211B (en) * | 2022-02-28 | 2022-05-17 | 河南经济贸易技师学院 | Vertical transportation building construction elevator |
| CN114834996B (en) * | 2022-06-14 | 2023-10-27 | 新疆天奥电梯有限公司 | Driving device for opening and closing door of elevator |
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|---|---|---|---|---|
| CN101614093A (en) * | 2008-06-25 | 2009-12-30 | 日东工器株式会社 | The door guide roller device of belt track cleaner |
| JP2012184097A (en) * | 2011-03-08 | 2012-09-27 | Mitsubishi Electric Building Techno Service Co Ltd | Door rail surface roughening device |
| CN204588376U (en) * | 2014-12-26 | 2015-08-26 | 重庆迈高电梯有限公司 | A kind of elevator landing door |
| JP2018027840A (en) * | 2016-08-18 | 2018-02-22 | 三菱電機ビルテクノサービス株式会社 | Device for cleaning door rail of elevator |
| JP2018027842A (en) * | 2016-08-18 | 2018-02-22 | 三菱電機ビルテクノサービス株式会社 | Device for cleaning door rail of elevator |
| JP2018027839A (en) * | 2016-08-18 | 2018-02-22 | 三菱電機ビルテクノサービス株式会社 | Device for cleaning door rail of elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6097975U (en) * | 1983-12-12 | 1985-07-04 | 三菱電機株式会社 | Elevator door device |
| JPS63167481U (en) * | 1987-04-23 | 1988-11-01 | ||
| CN104803264A (en) * | 2015-04-29 | 2015-07-29 | 韦伯电梯有限公司 | Cleaning device between elevator door and elevator sill |
| JP2017105599A (en) * | 2015-12-10 | 2017-06-15 | 三菱電機ビルテクノサービス株式会社 | Door rail cleaning oiler and door device of elevator |
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2018
- 2018-07-05 WO PCT/JP2018/025550 patent/WO2020008596A1/en active Application Filing
- 2018-07-05 JP JP2018560120A patent/JP6505958B1/en active Active
- 2018-07-05 CN CN201880094967.7A patent/CN112334406B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614093A (en) * | 2008-06-25 | 2009-12-30 | 日东工器株式会社 | The door guide roller device of belt track cleaner |
| JP2012184097A (en) * | 2011-03-08 | 2012-09-27 | Mitsubishi Electric Building Techno Service Co Ltd | Door rail surface roughening device |
| CN204588376U (en) * | 2014-12-26 | 2015-08-26 | 重庆迈高电梯有限公司 | A kind of elevator landing door |
| JP2018027840A (en) * | 2016-08-18 | 2018-02-22 | 三菱電機ビルテクノサービス株式会社 | Device for cleaning door rail of elevator |
| JP2018027842A (en) * | 2016-08-18 | 2018-02-22 | 三菱電機ビルテクノサービス株式会社 | Device for cleaning door rail of elevator |
| JP2018027839A (en) * | 2016-08-18 | 2018-02-22 | 三菱電機ビルテクノサービス株式会社 | Device for cleaning door rail of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6505958B1 (en) | 2019-04-24 |
| WO2020008596A1 (en) | 2020-01-09 |
| CN112334406B (en) | 2022-05-13 |
| JPWO2020008596A1 (en) | 2020-07-09 |
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