JP5442404B2 - Elevator rope cleaning device - Google Patents

Description

  The present invention relates to an elevator rope cleaning apparatus, and more particularly to an elevator rope cleaning apparatus that cleans the wire rope by moving the wire rope in the longitudinal direction while a cleaning brush is in contact with the wire rope.

  As a rope cleaning device for cleaning a wire rope, for example, a device described in Patent Document 1 has been proposed. In the rope cleaning device described in Patent Document 1, cylindrical cleaning brushes extending in a direction orthogonal to the wire rope are provided on both sides of the wire rope, respectively, and the two cleaning brushes are rotated and driven by a driving device. By moving the rope in the longitudinal direction, the adhering matter adhering to the outer peripheral surface of the wire rope is scraped off.

Japanese Patent Laid-Open No. 7-108229

  However, in the wire rope cleaning device described in Patent Document 1, the wire rope abuts only on a relatively narrow area corresponding to the diameter of the wire rope among the two cleaning brushes, and the both cleaning brushes are unevenly worn. Therefore, there has been a problem that both of these cleaning brushes must be replaced at a relatively high frequency.

  The present invention has been made in view of such a problem, and an object of the present invention is to provide an elevator rope cleaning apparatus in which the durability of the cleaning brush is improved.

The invention described in claim 1 is provided with cleaning brushes that can be rotated on both sides of a wire rope, and cleaning the wire rope by rotating both cleaning brushes while passing the wire rope between both cleaning brushes. In the elevator rope cleaning device, the axial tips of both cleaning brushes are in contact with the outer peripheral surface of the wire rope, and the rotation shafts of both cleaning brushes are in the direction perpendicular to both the rotation shaft and the wire rope. respectively are offset with respect to the wire rope, with the two cleaning brush with for the wire rope is moved in the longitudinal direction of the wire rope that has to be rotated, both the cleaning brush, the wire rope Featuring Rukoto of both side walls of a substantially U-shaped frame covering the three sides are supported respectively That.

Therefore, in the invention according to the first aspect, when the wire rope moves in the longitudinal direction, both cleaning brushes rotate in a so-called accompanying form due to friction with the wire rope, and both cleaning brushes and the wire rope The deposits are scraped off from the outer peripheral surface of the wire rope while continuously changing the contact position.
Moreover, since both cleaning brushes are respectively supported by the both side walls of a frame having a substantially U-shaped cross-section covering the three sides of the wire rope, the deposits scraped off from the wire rope can be received by the frame.

  Preferably, as in the invention described in claim 2, the tips of the two cleaning brushes overlap each other in the axial direction on the projection plane orthogonal to the longitudinal direction of the wire rope, and the two cleaning brushes are not in contact with each other. When these cleaning brushes are offset from each other in the longitudinal direction of the wire rope so as to be in a state, the contact between the cleaning brushes and the wire rope can be strengthened while avoiding interference between the cleaning brushes. .

In addition, as in the invention described in claim 3, when the cover member that covers the opening of the frame from the opposite bottom wall side is provided, the deposits scattered from the opening of the frame to the outside are It can be received by the cover member.

According to at least the first aspect of the present invention, since the tips of the cleaning brushes scrape the deposits from the wire rope while changing the contact position with respect to the wire rope, Wear can be prevented and the durability of both cleaning brushes can be dramatically improved.
In addition, there is a merit that the adhering matter scraped off from the wire rope is received by the frame so that the adhering matter can be prevented from being scattered around.

  In addition, according to the second aspect of the present invention, the cleaning brushes can be more effectively removed from the outer peripheral surface of the wire rope by strengthening the contact of the cleaning brushes with the wire rope, and the cleaning brushes. Interference between each other can be avoided and a decrease in durability of both cleaning brushes can be suppressed.

Furthermore, according to the invention described in claim 3, the deposits scraped off from the wire rope are received by the frame and the cover member, so that the deposits can be prevented from being scattered around. There are benefits.

The figure which shows the outline of the elevator to which the rope cleaning apparatus concerning this invention is applied. It is a figure which shows the rope cleaning apparatus shown in FIG. 1, Comprising: The figure (a) is the top view, The figure (b) is the right view, The figure (c) is the left view. AA sectional drawing of (a) of FIG.

  FIG. 1 is a schematic view showing an elevator to which a rope cleaning device according to the present invention is applied.

  The elevator shown in FIG. 1 is a so-called traction type in which a car 2 is suspended at one end of a main rope 1 wound around a hoisting machine (not shown) and a counterweight 3 is suspended at the other end. The car 2 and the counterweight 3 are moved up and down in the hoistway 4 by driving the main rope 1 by an outside hoisting machine.

  A speed governor 5 is provided at the bottom of the hoistway 4, while a return pulley 6 is provided at the top of the hoistway 4 so as to face the speed governor 5. A governor rope 7, which is a wire rope, is wound around the return pulley 6. The governor rope 7 is formed by twisting a plurality of metal wires. By connecting the governor rope 7 to the car 2 via the bracket 8, the governor rope 7 is adjusted as the car 2 moves. The speed rope 7 moves, and the speed governor 5 rotates. As is well known, when the speed of the car 2 increases abnormally, the governor 5 detects this and stops the car 2.

  On the other hand, a pair of upper and lower rope cleaning devices 9, 9 are provided in the hoistway 4. Both rope cleaning devices 9, 9 are provided so as to surround the outer peripheral side of the governor rope 7, which is the object to be cleaned, and the upper portion of the governor rope 7 is one rope cleaning device. On the other hand, the lower portion of the governor rope 7 passes through the other rope cleaning device 9. Although not shown, both rope cleaning devices 9 and 9 can be attached to and detached from a fixing member such as a guide rail for guiding the car 2 or the counterweight 3 or a beam in the hoistway 4, for example. It is fixed. The rope cleaning devices 9 and 9 are not always installed in the hoistway 4 but are temporarily installed when the governor rope 7 is cleaned, and the governor rope 7 It will be removed after the cleaning work is completed.

  2A to 2C are views showing details of the rope cleaning device 9, wherein FIG. 2A is a plan view of the rope cleaning device 9, and FIG. 2B is a right side of the rope cleaning device 9. FIG. 3C is a left side view of the rope cleaning device 9. FIG. 3 is a cross-sectional view taken along the line AA in FIG.

  In detail, as shown in FIGS. 2A to 2C and FIG. 3, the rope cleaning device 9 includes a frame 10 having a substantially U-shape in plan view that covers three sides of the governor rope 7, and a governor. A pair of cleaning brushes 11 and 11 provided on both sides of the rope 7 and rotatably supported on both side walls 10a and 10b of the frame 10 in a so-called cantilever state, and an anti-bottom wall 10c of the frame 10 A cover member 12 that covers the opening on the side, and the bottom wall 10c of the frame 10 is fixed to the above-described fixing member via a bracket (not shown).

  A tongue-shaped cover mounting portion 10d extending toward the side opposite to the bottom wall 10c is formed in the middle portion of the side walls 10a and 10b in the frame 10, and a cover member is formed on the cover mounting portion 10d. 12 is mounted.

  Further, a cutout portion 10e having a predetermined width is formed on one side wall 10a so as to extend the upper edge of the cover mounting portion 10d toward the bottom wall 10c, and the cover mounting portion 10d is formed on the other side wall 10b. A notch portion 10f having a predetermined width is formed in such a manner that the lower edge extends toward the bottom wall 10c, and bearings 13 and 13 for supporting the cleaning brushes 11 and 11 are provided in the notch portions 10e and 10f, respectively. It is installed.

  Both the bearings 13 and 13 are so-called sliding bearings having a substantially cylindrical shape, and the outer circumferential surfaces of both the bearings 13 and 13 are formed in the annular grooves 13a and 13a formed in the intermediate portion in the axial direction, outside the notches 10e and 10f. Inserted into the notches 10e and 10f so as to receive the peripheral edge. In addition, the displacement of the bearings 13 and 13 in the attaching / detaching direction along the notches 10e and 10f is restricted by plates 14 and 14 fixed to the side walls 10a and 10b, respectively.

  On the other hand, both the cleaning brushes 11 and 11 are each provided with a rotating shaft 15 through which the bearing 13 is inserted and a cup brush 16 provided at an end of the rotating shaft 15 facing the inside of the frame 10. The cleaning brushes 11, 11 are offset from each other in the longitudinal direction of the governor rope 7, and the tips of the cup brushes 16, 16 rotate on the projection plane orthogonal to the longitudinal direction of the governor rope 7. They are set so as to overlap each other in the longitudinal direction of the shaft 15 (see FIG. 2A). Accordingly, the contact between the cleaning brushes 16 and 16 and the governor rope 7 is strengthened while avoiding interference between the cleaning brushes 11 and 11.

  The cup brush 16 includes a substantially cup-shaped base portion 16a and a brush portion 16b made of wires as a large number of linear bodies planted from the base portion 16a toward the counter-rotating shaft 15 side. The brush portion 16b is formed in an annular shape along the inner peripheral surface of the base portion 16a, and the tips of the locking bolts 17 and 17 fastened to the side walls 10a and 10b are respectively connected to the brush portions 16b and 16b. The cleaning brushes 11 and 11 are prevented from falling off by being inserted into the recesses 16c and 16c formed on the inner peripheral side, respectively. Further, a tapered portion 16d having a gradually decreasing diameter toward the distal end side is formed at the distal end portion of the brush portion 16b, so that the governor rope 7 is farther from the rotating shafts 15 and 15 of both cleaning brushes 11 and 11. The taper portions 16d and 16d are in contact with each other at positions offset toward the wall 10c. In other words, the rotation shafts 15 and 15 of the cleaning brushes 11 and 11 are offset from the governor rope 7 in a direction orthogonal to both the rotation shafts 15 and 15 and the governor rope 7.

  When the governor rope 7 is cleaned by the rope cleaning device 9 configured as described above, the car 2 is installed after both the rope cleaning devices 9 and 9 are installed at the predetermined positions in the hoistway 4. Will be moved. As a result, the governor rope 5 moves in the longitudinal direction while being in contact with both the cleaning brushes 11, 11, and each cleaning brush 11, 11 has a so-called revolving form due to friction with the governor rope 5. Rotate and remove deposits from the governor rope 7.

  In detail, both cleaning brushes 11 and 11 slide with an arcuate track on the outer peripheral surface of the governor rope 7 while continuously changing the contact position of the brush portion 16b with the governor rope 7. become. As a result, the brush portion 16b also enters the groove portion between the metal wires constituting the governor rope 7, and the adhered matter adhering to the outer peripheral surface of the governor rope 7 is effectively scraped off. In addition, most of the deposits scraped off from the outer peripheral surface of the governor rope 7 are received by the cover member 12 and the frame 10 without being scattered outside.

  Therefore, according to the present embodiment, since the substantially entire area of the taper portion 16d of the cup brush 16 comes into contact with the surface of the governor rope 7, the cup brush 16 is unevenly worn as in the prior art. The cleaning effect of both rope cleaning devices 9, 9 can be maintained over a long period of time.

  Moreover, since both the cleaning brushes 11 and 11 rotate with the movement of the governor rope 7 in a so-called revolving form, a driving device for rotationally driving the cleaning brushes 11 and 11 is provided. There is also an advantage that it becomes unnecessary and is advantageous in terms of cost.

  In the present embodiment, an example in which the rope cleaning device 9 according to the present invention is applied to the governor rope 7 is shown, but it goes without saying that the rope cleaning device 9 can also be applied to the main rope 1.

DESCRIPTION OF SYMBOLS 9 ... Rope cleaning apparatus 10 ... Frame 10a ... Frame side wall 10b ... Frame side wall 10c ... Frame bottom wall 11 ... Cleaning brush 12 ... Cover member 15 ... Rotating shaft

Claims (3)

In the elevator rope cleaning apparatus for cleaning the wire rope by rotating the cleaning ropes while rotating the cleaning ropes while passing the wire rope between the cleaning brushes, respectively.
The tip ends of both cleaning brushes are in contact with the outer peripheral surface of the wire rope, and the rotation shafts of both cleaning brushes are offset from the wire rope in a direction perpendicular to both the rotation shaft and the wire rope. And
Rutotomoni the wire rope is not so both cleaning brush with to move in the longitudinal direction of the wire rope is rotated,
Both cleaning brushes, substantially U-shaped cross section of the rope cleaning device for an elevator, characterized that you have been respectively supported on both side walls of the frame covering the three sides of the wire rope.   The tips of the cleaning brushes overlap each other in the axial direction on the projection plane perpendicular to the longitudinal direction of the wire rope, and the cleaning brushes are in contact with each other so that the cleaning brushes are not in contact with each other. The elevator rope cleaning apparatus according to claim 1, wherein they are offset from each other in the longitudinal direction. The elevator rope cleaning apparatus according to claim 1 or 2, further comprising a cover member that covers the opening of the frame from the opposite bottom wall side .

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