JP5809666B2 - Wire rope cleaning device for elevator - Google Patents

Description

  The present invention relates to an elevator wire rope cleaning device, and more particularly to an elevator wire rope cleaning device that can reliably remove deposits adhering to a wire rope.

  Conventionally, a speed governor is installed to detect the speed of the elevator car, and the car and the speed governor are connected by a speed governor wire rope.

  An elevator wire rope such as a governor wire rope includes a plurality of twisted strands, and such an elevator wire rope is cleaned by an elevator wire rope cleaning device during movement.

  However, since the elevator wire rope includes a plurality of strands that are twisted together, it is difficult to reliably remove contaminants such as deposits adhering in the grooves between the strands.

JP2011-105493A

  The present invention has been made in consideration of such points, and among elevator wire ropes, an elevator wire rope capable of effectively removing dirt such as deposits adhering in grooves between strands. An object is to provide a cleaning device.

The present invention relates to an elevator wire rope cleaning device for cleaning an elevator wire rope including a plurality of twisted strands, a holding portion, a ring provided in the holding portion and having an inner surface, and provided on the inner surface of the ring at equal intervals. The same number of brushes as the strands are provided, and the wire rope strands are cleaned by the brush by inserting and moving the elevator wire rope into the ring, and the ring can be divided into a plurality of parts. The brush is attached to the inner surface of the ring at equal intervals , and each ring portion has an engaging portion that is positioned between the adjacent ring portions and removably engages at both ends. It is a wire rope cleaning device for elevators.

  The present invention is the wire rope cleaning device for an elevator, wherein the ring is provided so as to be rotatable around a rotation axis extending in the vertical direction in the holding portion.

  The present invention is the elevator wire rope cleaning device in which each brush enters between each strand of the elevator wire rope and the ring rotates through the brush by the movement of the wire rope.

  The present invention is an elevator wire rope cleaning device characterized in that a plurality of rings are stacked and provided.

The present invention is the elevator wire rope cleaning device, wherein a roller bearing is interposed between the holding portion and the ring.

  The present invention is an elevator wire rope cleaning device characterized in that a cover is provided so as to cover the ring, and dirt is scattered from the brush by the cover.

  As described above, according to the present invention, the deposits attached to the wire rope can be effectively removed.

FIG. 1 is a perspective view showing a first embodiment of an elevator wire rope cleaning apparatus according to the present invention. FIG. 2 is a perspective view showing a ring of an elevator wire rope cleaning device. FIG. 3 is a sectional view showing a ring of an elevator wire rope cleaning device. FIG. 4 is a side view showing a wire rope. FIG. 5 is a cross-sectional view showing a wire rope. FIG. 6 is a view showing an elevator system in which an elevator wire rope cleaning device is incorporated. 7A and 7B are views showing an elevator wire rope cleaning device as a comparative example. FIG. 8 is a perspective view showing a second embodiment of the elevator wire rope cleaning device according to the present invention. FIG. 9 is a cross-sectional view showing an elevator wire rope cleaning device. FIG. 10 is a perspective view showing a third embodiment of an elevator wire rope cleaning device according to the present invention. FIG. 11 is a sectional view showing an elevator wire rope cleaning device. FIG. 12 is a side view showing an elevator wire rope cleaning device. FIG. 13 is a side view showing a fourth embodiment of an elevator wire rope cleaning device according to the present invention. FIG. 14 is a perspective view showing a fifth embodiment of an elevator wire rope cleaning device according to the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

First Embodiment Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

  First, the entire elevator system in which the elevator wire rope cleaning device according to the present invention is incorporated will be described with reference to FIG.

  As shown in FIG. 6, the elevator system 30 includes a car 22 that moves up and down in the hoistway 30 </ b> A, and a suspension weight 23 that is connected to the car 22 via a main rope 21. The main rope 21 is a hoistway. It is driven by a hoisting machine (not shown) installed at the upper part of 30A.

  A speed governor rope (elevator wire rope) 1 is fixed to the car 22 via a fixture 28, and this wire rope 1 is connected between a pulley 26 and a speed governor 25 installed inside the hoistway 30 </ b> A. It is stretched over. When the speed of the car 22 increases abnormally, the speed governor 25 detects this speed and stops the car 22.

  Incidentally, the governor rope (elevator wire rope) 1 includes a plurality of strands 7 twisted together, and grooves 7a are formed between the strands 7 (see FIGS. 4 and 5).

  Here, FIG. 4 is a side view showing the wire rope 1 for an elevator, and FIG. 5 is a cross-sectional view showing the wire rope 1.

  As shown in FIG. 4 and FIG. 5, a plurality of, for example, six strands 7 of the wire rope 1 are twisted together. For this reason, each strand 7 and each groove 7 a are both formed in a spiral shape. 4 and 5, the six strands 7 are shown as A, B, C, D, E, and F.

  As shown in FIG. 6, an elevator wire rope cleaning device 20 for cleaning the wire rope 1 is provided in the hoistway 30 </ b> A.

  As shown in FIGS. 1 to 7, the wire rope cleaning apparatus 20 includes a holding unit 10 fixed to the wall surface of the hoistway 30 </ b> A, a ring 4 provided in the holding unit 10, Six brushes 8 are provided on the inner surface at equal intervals on a horizontal plane.

  Among these, the holding part 10 has a holding part main body 10a extending from the wall surface of the hoistway 30A, and a presser piece 12 connected to the holding part main body 10a, and the presser piece 12 is attached to the holding part main body 10a. And the holding body 10a are fixed by screws 11.

  In this case, the holding part 10 has a space 10b inside, and the ring 4 is rotatably provided in the space 10b. The ring 4 can be divided into two parts 4a and 4b. Further, after the ring 4 is divided into two parts 4a and 4b, the wire rope 1 is inserted into the ring 4 and the two parts 4a and 4b are fixed, whereby the wire rope 1 is inserted into the ring 4. The two parts 4a and 4b of the ring 4 are positioned and fixed via the engaging part 5.

  By the way, the six brushes 8 attached to the inner surface of the ring 4 each have a large number of bristles 9, which are in contact with the entire exposed surface of each strand 7 of the wire rope 1. . Further, as described above, the number (6) of the brushes 8 attached to the inner surface of the ring 4 is equal to the number (6) of the strands 7, so that the brush 8 enters the groove 7a between the strands 7. It becomes possible.

  Next, the operation of the present embodiment having such a configuration will be described.

  First, as shown in FIG. 6, the car 22 moves up and down in the hoistway 30A. As the car 22 moves up and down in this manner, the wire rope 1 moves up and down in the hoistway 30A. In this case, the wire rope 1 moves up and down in the ring 4 of the elevator wire rope cleaning device 20.

  Thus, when the wire rope 1 moves up and down in the ring 4, the six brushes 8 attached to the inner surface of the ring 4 enter the groove 7 a between the six strands 7 of the wire rope 1. As a result, the brush 8 and the groove 7a of the strand 7 are engaged with each other in the same relationship as the relationship between the male screw and the female screw. As the wire rope 1 moves in the vertical direction, the brush 8 can continuously remove contaminants such as deposits attached to the grooves 7 a of the strands 7.

  In this case, since the same number of the brushes 8 as the strands 7 is provided, the inside of the groove 7a between the strands 7 can be simultaneously cleaned.

  Next, a comparative example of the present invention will be described with reference to FIGS. In the comparative example shown in FIG. 7A, the wire rope 1 is directly cleaned by the fixed brush 2 provided in the hoistway 30A, and the adhering matter adhering in the groove 7a between the strands 7 of the wire rope 1 is removed. To do.

  In the comparative example shown in FIG. 7 (b), the wire rope 1 is directly cleaned by the resin mold plate 3 provided in the hoistway 30 </ b> A and having excellent wear resistance, and is inserted into the groove 7 a between the strands 7 of the wire rope 1. It is intended to remove adhering deposits.

  In any of the comparative examples shown in FIGS. 7A and 7B, it is difficult to remove the deposits in the grooves 7a between the strands 7 of the wire rope 1 by the fixed brush 2 or the resin plate 3.

  On the other hand, according to the present embodiment, by providing the same number of brushes 8 as the strands 7 in the ring 4, it is possible to reliably remove deposits attached to the grooves 7 a between the strands 7 by the brushes 8. Can do.

Second Embodiment Next, referring to FIGS. 8 and 9, a second embodiment of the present invention will be described. The second embodiment shown in FIGS. 8 and 9 is different from the first embodiment shown in FIGS. 1 to 6 only in that the ring 4 is rotatably disposed in the holding portion 10. This is substantially the same as the embodiment. In the second embodiment shown in FIG. 8 and FIG. 9, the same parts as those in the first embodiment shown in FIG. 1 to FIG.

  As shown in FIGS. 8 and 9, the wire rope cleaning device 20 includes a holding unit 10 fixed to the wall surface of the hoistway 30 </ b> A, a ring 4 provided in the holding unit 10, an inner surface of the ring 4, and the like. And six brushes 8 attached at intervals.

  Among these, the holding part 10 has the holding part main body 10a extended inward from the wall surface of the hoistway 30A, and the presser piece 12 connected to the holding part main body 10a, and attaches the presser piece 12 to the holding part main body 10a. The presser piece 12 and the holding portion main body 10 a are fixed by screws 11.

  In this case, the holding part 10 has a space 10b inside, and the ring 4 is rotatably provided in the space 10b. The ring 4 is rotatable about a rotation axis L extending in the vertical direction, and the ring 4 can be divided into two parts 4a and 4b. Further, after the ring 4 is divided into two parts 4a and 4b, the wire rope 1 is inserted into the ring 4 and the two parts 4a and 4b are fixed, whereby the wire rope 1 is inserted into the ring 4. The two parts 4a and 4b of the ring 4 are positioned and fixed via the engaging part 5.

  By the way, the six brushes 8 attached to the inner surface of the ring 4 each have a large number of bristles 9, which are in contact with the entire exposed surface of each strand 7 of the wire rope 1. . Further, as described above, the number (6) of the brushes 8 attached to the inner surface of the rotating body 4 is equal to the number (6) of the strands 7, and therefore the brushes 8 are placed in the grooves 7a between the strands 7. You can enter.

  Next, the operation of the present embodiment having such a configuration will be described.

  First, as shown in FIG. 6, the car 22 moves up and down in the hoistway 30A. As the car 22 moves up and down in this manner, the wire rope 1 moves up and down in the hoistway 30A. In this case, the wire rope 1 moves up and down in the ring 4 of the elevator wire rope cleaning device 20.

  Thus, when the wire rope 1 moves up and down in the ring 4, the six brushes 8 attached to the inner surface of the ring 4 enter the groove 7 a between the six strands 7 of the wire rope 1. As a result, the brush 8 and the groove 7a of the strand 7 are engaged with each other in the same relationship as the relationship between the male screw and the female screw. As the wire rope 1 moves in the vertical direction, the brush 8 slides along the spirally formed groove 7a to continuously remove contaminants such as adhering matter attached to the groove 7a of the strand 7. To do.

  At the same time, the ring 4 rotates around the rotation axis L in the holding unit 10. Therefore, the specific brush 8 does not come into contact with the wire rope 1 and the six brushes 8 can be used as a whole with good balance, and the brush 8 can be prevented from being reduced.

  Further, since the same number of brushes 8 as the strands 7 are provided, the inside of the groove 7a between the strands 7 can be cleaned at the same time.

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIGS. The third embodiment shown in FIGS. 10 to 12 is different from the third embodiment in that a plurality of rings 4 are stacked and rotatably arranged in the holding portion 10, and other parts are the same as those in FIGS. This is substantially the same as the first embodiment shown in FIG. In the third embodiment shown in FIG. 10 to FIG. 12, the same parts as those in the first embodiment shown in FIG. 1 to FIG.

  As shown in FIGS. 10 to 12, the elevator wire rope cleaning device 20 includes a holding unit 10 and a laminated ring 4 </ b> A including a plurality of rings 4 arranged in the holding unit 10.

  Each ring 4 is rotatable around the rotation axis L in the holding portion 10 and is stacked on each other.

  Each ring 4 is formed with a half-moon shaped through hole 13, and a fixing screw 17 is inserted into the through hole 13.

  An annular notch 14 is formed at the upper part of each ring 4, and an annular protrusion 15 fitted into the annular notch 14 of the adjacent ring 4 positioned below is provided at the lower part of each ring 4. It has been. The ring 4 located above and the ring 4 located below can be positioned by fitting the ring-shaped protrusion 15 of the ring 4 located above into the ring-shaped notch located below.

  A positioning mark 16 is provided on the side surface of each ring 4. A plurality of, for example, four rings 4 are stacked and arranged, and each ring 4 is rotated so that the positioning marks 16 of each ring 4 are sequentially slightly shifted. In this state, the fixing screws 17 are inserted through the through holes 13 of the respective rings 4, and the four rings 4 can be fixed by the fixing screws 17.

  In this case, the amount of shift in the rotational direction of each ring 4 is determined corresponding to the helical shape of the strand 7 of the wire rope 1. As a result, the arrangement shape of the brush 8 in the laminated ring 4A formed by laminating the four rings 4 can be matched with the helical shape of the strand 7 of the wire rope 1, and the wire rope 1 moves up and down in the laminated ring 4A. When moving in the direction, the laminated ring 4 </ b> A can be smoothly rotated in the holding unit 10. Further, by arranging the laminated ring 4 </ b> A composed of a plurality of rings 4 in the holding portion 10 so as to be rotatable, the deposits attached to the grooves 7 a between the strands 7 of the wire rope 1 can be more reliably removed.

  In addition, by providing the half-moon-shaped through-hole 13 in each ring 4 as described above, the amount of shift in the rotation direction of each ring 4 can be arbitrarily adjusted.

Fourth Embodiment Next, a fourth embodiment of the present invention will be described with reference to FIG. In the fourth embodiment shown in FIG. 13, the only difference is that the ring 4 is rotatably disposed in the holding portion 10 and a roller bearing 18 is interposed between the ring 4 and the holding portion 10. The other parts are substantially the same as those of the first embodiment shown in FIGS. In the fourth embodiment shown in FIG. 13, the same parts as those in the first embodiment shown in FIGS. 1 to 6 are denoted by the same reference numerals and detailed description thereof is omitted.

  As shown in FIG. 13, the ring 4 is installed in the holding part 10 of the elevator wire rope cleaning device 20 so as to be rotatable around the rotation axis L, and a roller bearing 18 is interposed between the ring 4 and the holding part 10. ing. For this reason, when the wire rope 1 is moved up and down in the ring 4, the ring 4 can be smoothly rotated in the holding portion 10.

  Although an example in which the roller bearing 18 is interposed between the ring 4 and the holding portion 10 is shown, the present invention is not limited thereto, and the roller bearing 18 is interposed between each ring 4 and the holding portion 10 of the laminated ring 4A. You may let them.

Fifth Embodiment Next, a fifth embodiment of the present invention will be described with reference to FIG. In the fifth embodiment shown in FIG. 14, the only difference is that the cover 19 is provided so as to cover the holding part 10 and the ring 4 held by the holding part 10, and the other parts are the same as those shown in FIGS. This is substantially the same as the first embodiment shown in FIG. In the fifth embodiment shown in FIG. 14, the same parts as those in the first embodiment shown in FIGS.

  As shown in FIG. 14, the holding part 10 is manufactured by attaching the pressing piece 12 to the holding part main body 10 a. Next, a cover 19 is provided so as to surround the holding portion main body 10 a and the presser piece 12, and the cover 19, the presser piece 12 and the holding portion main body 10 a are fixed by screws 11.

  Thus, the holding part 10 and the ring 4 can be covered with the cover 19, and when the dirt of the wire rope 1 is removed by the brush 8, the dirt scattered from the brush 8 can be received by the cover 19.

DESCRIPTION OF SYMBOLS 1 Wire rope 4 Ring 4a Part 4b Part 5 Engagement part 7 Strand 8 Brush 9 Bristle 10 Holding part 10a Holding part main body 11 Screw 12 Pressing piece 13 Through-hole 14 Annular notch 15 Annular protrusion 16 Positioning mark 17 Fixing screw 18 Roller bearing 19 Cover 20 Elevator wire rope cleaning device 30 Elevator system 30A Hoistway

Claims (6)

In an elevator wire rope cleaning device for cleaning an elevator wire rope including a plurality of twisted strands,
A holding part;
A ring provided in the holding portion and having an inner surface;
Equipped with the same number of brushes as the strands on the inner surface of the ring, the wire rope strands are cleaned with the brush by inserting and moving the elevator wire rope into the ring, and the ring is divided into multiple parts Each brush is attached to the inner surface of the ring at equal intervals , and each ring portion has an engaging portion which is positioned between both ends and is removably engaged with the adjacent ring portion. An elevator wire rope cleaning device characterized by comprising:   2. The elevator wire rope cleaning device according to claim 1, wherein the ring is provided so as to be rotatable about a rotation axis extending in a vertical direction in the holding portion.   3. The elevator wire rope cleaning device according to claim 2, wherein each brush enters between each strand of the elevator wire rope, and the ring is rotated through the brush by the movement of the wire rope.   The elevator wire rope cleaning device according to any one of claims 1 to 3, wherein a plurality of rings are stacked.   The elevator wire rope cleaning device according to any one of claims 2 to 4, wherein a roller bearing is interposed between the holding portion and the ring.   The elevator wire rope cleaning device according to any one of claims 1 to 5, wherein a cover is provided so as to cover the ring, and the cover receives dirt scattered from the brush.