JP2010149979A - Maintenance tool for cleaning elevator door rail and for supplying oil thereto - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a maintenance tool for cleaning an elevator door rail and for supplying oil thereto, which can easily clean the top surface of the elevator door rail and can supply oil thereto. <P>SOLUTION: This maintenance tool 1 for cleaning dust accumulated on the top surface of the door rail 11 of an elevator and for supplying oil to the surface of the door rail 11 includes: a grip 2; an oil supply part 3 connected to one end of the grip 2; an oil supply pipe 4 inserted into the oil supply part 3 and protruding from the other end of the grip 2; an application member 5 provided at the tip of the oil supply pipe 4 to supply the oil thereto; a support part 7 connected to the grip 2 to support the application member 5; and a fixture 6 including a fitting part 8 having a U-shaped cross section enclosing the top surface 12 and both side surfaces 13a and 13b of the application member 5. The fixture 6 scrapes the dust accumulated on the top surface of the door rail 11 with an edge of a side surface of the fitting part 8. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an elevator door rail cleaning and refueling maintenance tool, and more particularly, to an elevator door rail cleaning and refueling maintenance tool that cleans dust accumulated on the upper surface of an elevator door rail and supplies oil to the surface of the elevator door rail.

  In the elevator, a landing door rail for guiding a landing door provided in the elevator landing and a car door rail for guiding a car door provided in the elevator car are installed. When the elevator reaches the landing position, the landing door and the car door are both opened and closed to allow passengers in the elevator to get on and off.

  FIG. 6 shows the positional relationship between the elevator landing door rail and the landing door. FIG. 6A shows a schematic cross section viewed from the door rail side, and FIG. 6B shows a schematic side view viewed from the elevator hall side. The landing door rail 22 has a rail-shaped cross section and is provided on the upper portion of the landing door 20 of the elevator hall 30. A roller 23 is provided above the landing door 20 via a hanger plate 21, and this roller 23 is suspended from the upper surface of the landing door rail 22. These landing door rails 22 and rollers 23 are surrounded by a hanger case 24 and a mounting cover 25.

  As shown in FIG. 2B, the landing door 20 reciprocates within a certain movement range (W) of the landing door rail 22, so that dust accumulated on the upper surface of the landing door rail 22 is conveyed to the left and right ends, and a dust lump 27 is obtained. Occurs. The dust mass 27 is solidified by containing oil applied to the upper surface of the landing door rail 22, and the roller 23 is not smoothly opened and closed. Further, when the oil applied to the upper surface of the landing door rail 22 runs out, a squeak noise may be generated due to contact with the roller 23 that rotates on the landing door rail 22.

  The upper surface of the landing door rail 22 is cleaned and refueled by removing a mounting cover 25 by a maintenance staff during periodic maintenance and inspection of the elevator. However, there are cases where the door rail must be cleaned and refueled even during regular maintenance. In this case, the door rail cleaning and refueling operations are performed with the attachment cover 25 attached before the trial run of the elevator.

  Conventionally, in this door rail cleaning operation and oil supply operation, a lump of dust is cleaned using a maintenance tool having a claw at the tip, and oil supply is performed using an oil jug and a waste cloth.

  On the other hand, Patent Document 1 discloses an elevator door rail maintenance tool. Here, a maintenance device such as a cleaner or an oil applicator is provided at the bent portion at the upper end of the handle having the grip at the lower end, and the operator holds the handle and holds the handle and the hanger case from below. It is described that a handle is passed through a gap between the cover and the upper part of the door rail is cleaned or oil is applied to the cleaned surface by a cleaner provided on the handle or a maintenance device attached to the oil applicator. Further, the cleaning device and the oil applicator are used by providing a blade portion at the bent portion of the handle of the maintenance tool, and replacing the cleaning device and the oil applicator depending on the work. In the oil applicator, a sponge-like application member is fixed to the lower end portion of the holding cylinder, and oil such as lubricating oil is filled in the upper part of the holding cylinder.

Japanese Patent Laid-Open No. 03-95092

  Conventionally, an elevator maintenance worker has been working while changing the front end of the door rail maintenance tool every time the door rail is cleaned or refueled. Since this maintenance work is performed while the elevator is stopped, it has to be completed in a short time, and there is a problem that this work must be performed efficiently.

  In addition, the oil supply operation of the door rail has problems that it is difficult to adjust the amount of oil supply, the application member is not easily replaced due to deterioration or wear, and the oil in the applicator leaks during transportation.

  An object of the present application is to solve such problems and provide an elevator door rail cleaning and refueling maintenance tool that easily cleans and refuels the upper surface of the elevator door rail.

  In order to achieve the above object, an elevator door rail cleaning and refueling maintenance tool according to the present invention is a maintenance tool for cleaning dust accumulated on the upper surface of an elevator door rail and refueling the surface of the door rail. An oil supply unit connected to one end of the oil supply unit for storing oil, an oil supply pipe inserted into the oil supply unit and projecting from the other end of the gripping unit, an application member provided at the tip of the oil supply pipe and supplied with oil, and a gripping unit And a mounting bracket having a mounting portion that wraps the coating member from the upper surface and both side surfaces with a U-shaped cross section. To scrape off dust accumulated on the upper surface of the door rail.

  With the above configuration, the mounting bracket has a role of fixing an application member that supplies oil to the elevator door rail, and also has a role of scraping dust accumulated on the upper surface of the door rail by an edge of the side surface. Therefore, the door rail cleaning operation and the oil supply operation can be continuously performed without replacing the attachment parts each time.

  In addition, the elevator door rail cleaning and refueling maintenance tool has a substantially rectangular parallelepiped application member having a thickness larger than the width of the side surface of the mounting bracket, and the maintenance tool is pulled down to contract the application member. It is preferable to make a side surface contact a door rail. Thereby, when refueling the upper surface of a door rail, it can contact without being obstructed by the side of an attachment metal fitting.

  Further, in the elevator door rail cleaning and refueling maintenance tool, it is preferable that the thickness of the application member is reduced in the vicinity of the side surface of the mounting bracket. Thereby, when scraping off the dust accumulated on the upper surface of the door rail, it is possible to make contact with the application member without being obstructed.

  Moreover, it is preferable that the cleaning of an elevator door rail and the oil supply maintenance tool supply oil to an application member by pressing an oil supply part. This makes it easy to adjust the amount of oil supplied to the application member by applying a pressing force to the oil supply unit by the maintenance staff.

  In the elevator door rail cleaning and refueling maintenance tool, the application member is preferably detachably fixed to the mounting bracket by a fastener. Thereby, when this maintenance tool is conveyed or stored by a maintenance worker, leakage of internal oil can be reliably prevented.

  Further, in the elevator door rail cleaning and refueling maintenance tool, it is preferable that the oil supply unit is detachably connected to the grip unit and sealed by a cap. Thereby, replacement | exchange by deterioration of an application | coating member can be performed easily.

  As described above, according to the elevator door rail cleaning and refueling maintenance tool according to the present invention, it is possible to easily clean and refuel the upper surface of the elevator door rail.

  Hereinafter, embodiments of an elevator door rail cleaning and refueling maintenance tool according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows a schematic configuration of one embodiment of an elevator door rail cleaning and refueling maintenance tool. Fig.1 (a) is a perspective view of this maintenance tool 1, FIG.1 (b) is a side view showing the state which cleans and lubricates the upper surface of the door rail of an elevator. The maintenance tool 1 includes a grip portion 2, an oil supply portion 3, an oil supply pipe 4, an application member 5, and a mounting bracket 6.

  The grip portion 2 is a portion where a maintenance person holds the maintenance tool 1 with his / her hand, and includes a lid portion 16 and a hollow cylindrical portion 17 inside. The oil supply unit 3 is detachably connected to one end of the grip unit 2 and stores oil 28 to be supplied to the door rail 11. An extraction port 15 is provided in the upper part of the oil supply unit 3, and the oil supply pipe 4 is inserted into the oil supply unit 3 from the extraction port 15. The oil supply pipe 4 penetrates the grip portion 2 and penetrates the lid portion 16 of the grip portion 2 to supply the oil 28 to the application member 5.

  The oil supply unit 3 is made of a soft material such as plastic so that the oil 28 can be supplied to the application member 5 when the maintenance staff presses it by hand like a so-called dropper. Thereby, adjustment of the amount of oil supply to the application member 5 can be easily performed by applying a pressing force to the oil supply unit 3 by the maintenance staff. The oil supply unit 3 is preferably a transparent material so that the amount of the oil 28 can be confirmed from the outside. Further, as shown in FIG. 2, a cap 29 is attached to the take-out port 15 of the oil supply unit 3 to be sealed. Thereby, when the maintenance tool 1 is transported or stored by a maintenance staff, leakage of the internal oil 28 can be surely prevented.

  The mounting bracket 6 includes a support portion 7 and a mounting portion 8. In the present embodiment, the support portion 7 has a square cross section and is fixed to the lid portion 16 of the grip portion 2 to support the application member 5. Further, the support portion 7 holds the oil supply pipe 4 penetrating through the lid portion 16 of the grip portion 2 by a fixing means such as a fixture 19. The attachment portion 8 is a U-shaped cross section that encloses the application member 5 and holds the application member 5 therein. The application member 5 is a substantially rectangular parallelepiped, and a material, for example, felt or the like that is soaked by the oil 28 supplied to the door rail 11 is used.

  FIG. 3 shows the mounting bracket 6 in an enlarged manner. 4A shows a side view seen from the direction A in FIG. 3, and FIG. 4B shows a side view seen from the direction B in FIG. As shown in FIGS. 3 and 4A, the coating member 5 is housed in a U-shaped mounting portion 8 having an upper surface 12 and both side surfaces 13a and 13b, and is detachable by a coating member fixing screw 9. Fixed. For this reason, the side surfaces 13a and 13b of the attachment portion 8 are provided with openings through which the application member fixing screws 9 are passed. Thereby, replacement | exchange by deterioration of an application | coating member can be performed easily. Furthermore, an opening through which the oil supply pipe 4 is passed is provided on the upper surface 12 of the mounting portion 8, and oil 28 is supplied from the tip of the oil supply pipe 4 that is thrust into the application member 5. Further, as shown in FIGS. 4A and 4B, the application member 5 protrudes from the edge portions 18 of the side surfaces 13 a and 13 b of the attachment portion 8.

  In FIG. 5, the cleaning and refueling method of the door rail 11 using this maintenance tool 1 are demonstrated. As shown in the left diagram of FIG. 5A, when the grip portion 2 is pulled in the direction of “m” in the drawing via the support portion 7, the application member 5 contracts, and the edge portion 18 a of the attachment portion 8 is Touch the top surface. By this edge portion 18a, the dust lump 27 accumulated on the upper surface of the door rail 11 can be scraped off and cleaned.

  Further, as shown in the central view of FIG. 5A, when the grip portion 2 is returned to the direction “n” in the drawing via the support portion 7, the application member 5 expands, and the tip of the application member 5 is attached to the attachment portion 8. It protrudes from the edge portions 18a and 18b. When the oil supply unit 3 is pressed in this state, the oil 28 is supplied from the oil supply pipe 4 to the application member 5. Thereby, oil can be supplied to the upper surface of the door rail 11.

  Further, as shown on the right side of FIG. 5A, when the gripping part 2 is pulled again in the direction of “p” in the figure via the support part 7, the coating member 5 contracts, and the edge part 18b of the attachment part 8 is It contacts the upper surface of the door rail 11. Excess oil 28 supplied to the upper surface of the door rail 11 can be wiped off by the edge portion 18b.

  That is, according to the maintenance tool 1, the edge portion 18 (1) scrapes and cleans the lump 27 of dust accumulated on the upper surface of the door rail 11, (2) lubricates the upper surface of the door rail 11, and (3 ) Wiping off the excess oil 28 supplied to the upper surface of the door rail 11 can be performed continuously without replacing the attachment parts of the maintenance tool 1 each time.

  In the operations (1) and (3) described above, as shown in FIG. 5B, the maintenance tool 1 may be inclined obliquely with respect to the door rail 11 and moved in the direction of “q” in the drawing. Thereby, the lump of dust 27 on the door rail 11 can be scraped off without being disturbed by the application member 5.

  In the case of the operations (1) and (3) described above, the applicator member 5 has a cut-off portion so that the thickness is reduced in the vicinity of the side surface 13 of the mounting bracket 6 as shown by the one-dot chain line in FIG. 14 is preferably provided. By doing so, the dust mass 27 on the door rail 11 can be more reliably scraped off without being disturbed by the application member 5.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a schematic configuration of one embodiment of an elevator door rail cleaning and refueling maintenance tool according to the present invention. It is the perspective view which attached the cap to the taking-out mouth of an oil supply part. It is the perspective view which expanded the attachment metal fitting. It is the side view which looked at the attachment metal fitting of Drawing 6 from the side. It is explanatory drawing explaining the cleaning and oil supply method of a door rail using this maintenance tool. It is sectional drawing and the side view which show the positional relationship of the landing door rail of an elevator, and a landing door.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 (Cleaning and lubrication of an elevator door rail) Maintenance tool, 2 Grip part, 3 Oil supply part, 4 Oil supply pipe, 5 Application member, 6 Mounting bracket, 7 Support part, 8 Installation part, 9 Application member fixing screw, 11 Door rail, 12 upper surface, 13a, 13b side surface, 14 cut-off portion, 15 outlet, 16 lid portion, 17 cylindrical portion, 18 edge portion, 19 fixture, 20 landing door, 21 hanger plate, 22 landing door rail, 23 roller, 24 hanger case , 25 mounting cover, 27 lump of dust, 28 oil, 29 cap.

Claims (6)

In the maintenance tool that cleans the dust accumulated on the upper surface of the elevator door rail and lubricates the surface of the door rail,
A gripping part, an oil supply part connected to one end of the gripping part for storing oil, an oil supply pipe inserted into the oil supply part and projecting from the other end of the gripping part, and provided at the tip of the oil supply pipe for oil supply An applicator member, a support part connected to the grip part to support the applicator member, and a mounting bracket having an attachment part that wraps the applicator member from the upper surface and both side surfaces with a U-shaped cross section,
The mounting bracket is an elevator door rail cleaning and refueling maintenance tool characterized in that dust accumulated on the upper surface of the door rail is scraped off by an edge of a side surface of the mounting portion.   The elevator door rail cleaning and refueling maintenance tool according to claim 1, wherein the application member is a substantially rectangular parallelepiped and has a thickness larger than the width of the side surface of the mounting bracket, and the maintenance tool is pulled down to contract the application member. An elevator door rail cleaning and refueling maintenance tool characterized in that the side surface of the mounting bracket is brought into contact with the door rail.   The elevator door rail cleaning and refueling maintenance tool according to claim 1 or 2, wherein the thickness of the coating member decreases near the side surface of the mounting bracket.   The elevator door rail cleaning and refueling maintenance tool according to any one of claims 1 to 3, wherein the oil is supplied to the application member by pressing the oil supply section, and Refueling maintenance tool.   The elevator door rail cleaning and refueling maintenance tool according to any one of claims 1 to 4, wherein the application member is detachably fixed to the mounting bracket by a fastener. Refueling maintenance tool.   The elevator door rail cleaning and refueling maintenance tool according to any one of claims 1 to 5, wherein the oil supply part is detachably connected to the grip part and sealed by a cap. Cleaning and refueling maintenance tools.

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