JP2005343581A - Oil feeder for wire rope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an oil feeder for a wire rope, reducing breakage of a wire rope due to being caught by an oil feed roller. <P>SOLUTION: This oil feeder for a wire rope includes: a pair of oil feed rollers 18a, 18b for holding a main wire rope 9, wherein oil is fed to the main wire rope 9 through the oil feeding rollers 18a, 18b. The feeder includes a frame 25 having a cantilever support part 25a holding both of the paired oil feeding rollers 18a, 18b, and disposed extending in the direction intersecting the elongation direction of the main wire rope 9, for instance, in the direction substantially intersecting perpendicularly. The paired oil feeding rollers 18a, 18b include flexible material such as felt or sponge, and the feed rollers 18a, 18b are disposed in the state of holding the main wire rope 9 with the outer peripheral surfaces coming into contact with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an oil supply device for a wire rope that supplies oil to a wire rope via a pair of oil supply rollers that sandwich the wire rope.

  As a conventional technique of this type, there is a technique described in Patent Document 1. 6A and 6B are diagrams showing a conventional wire rope oiling device disclosed in Patent Document 1, wherein FIG. 6A is a side view and FIG. 6B is a front view.

  In this prior art, an oil supply device for a wire rope is fixed to a machine beam 43 arranged in a machine room of an elevator. The oil supply apparatus includes a pair of oil supply rollers 57 and 58 having the same diameter and sandwiching a main wire rope 49 for raising and lowering the car. One oil supply roller 57 is fixed to the machine beam 43 and supported by a bracket 59 extending in a direction along the extension direction of the main wire rope 49, and the other oil supply roller 58 is fixed to the bracket 59. It is supported by the bracket 60. A coil spring 61 is provided between the brackets 59 and 60 to urge each of the oil supply rollers 57 and 58 so as to be in pressure contact with the main wire rope 49.

In this prior art, the oil supply rollers 57 and 58 are rotated by the vertical movement of the main wire rope 49 accompanying the drive of the elevator, and the oil supply from the oil supply rollers 57 and 58 to the main wire rope 49 is performed by this rotation. It has become.
JP 2000-86116 A

  Due to the aging of the elevator, the strands of the main wire rope 49 may be broken and the strands may be loosened. Thus, when the unraveling of the strand occurs, the above-described conventional technique has a problem.

  That is, in the above-described prior art, the oil supply rollers 57 and 58 are fixed to the bracket 59 erected in the extending direction of the main wire rope 49 via the bracket 60 and the like. A bracket 59 is fixed to the machine beam 43. For these reasons, the conventional oil supply device for wire rope including the oil supply rollers 57 and 58, the coil spring 61, and the brackets 59 and 60 forms a rigid rigid body.

  In the conventional wire rope supply device, when the above-described loosening of the wire occurs in the main wire rope 49 sandwiched between the oil supply rollers 57 and 58, the main wire rope 49 is supplied to the oil supply rollers 57 and 58. It may get caught. When such a catch occurs, the conventional wire rope lubrication device forms a rigid rigid body as described above, so that not only the lubrication rollers 57 and 58 are broken, but also the main wire rope 49 There is a risk of damage.

  The present invention has been made from the above-described prior art, and an object of the present invention is to provide a wire rope lubrication device that can reduce breakage of the wire rope caused by being caught by the lubrication roller.

  In order to achieve the above object, the present invention comprises a pair of oil supply rollers sandwiching a wire rope, and in the oil wire supply device for an elevator wire rope that supplies oil to the wire rope via these oil supply rollers, It has a cantilever support portion arranged to hold both of the oil supply rollers and extend in a direction intersecting with the extending direction of the wire rope.

  In the present invention configured as above, when the wire rope is loosened and the wire rope is caught by the oil supply roller, the extending direction of the cantilever support portion intersects the extending direction of the wire rope. Because of the direction, a force in the direction of bending the cantilever support portion acts on the cantilever support portion. Therefore, the pair of oil supply rollers held by the cantilever support portion can be moved by following the bending of the cantilever support portion so as to follow the wire rope. The movement of the oil supply roller makes it possible to release the above-described catch. That is, even if the cantilever support portion or the like is damaged, the wire rope can be less damaged.

  Further, the present invention is characterized in that, in the above-mentioned invention, the pair of oil supply rollers are arranged so that the outer peripheral surfaces are in contact with each other in a state where the wire rope is sandwiched.

  In the present invention configured as described above, since the entire circumference of the wire rope is wrapped in the pair of oil supply rollers, the entire circumference of the wire rope can be supplied with oil evenly. Further, in this case, oil can be uniformly supplied to the entire circumference of the wire rope regardless of the diameter size of the wire rope and regardless of the reduction in the diameter size accompanying the deterioration of the wire rope.

  Further, the present invention is characterized in that in the above invention, means for supplying oil only to one of the pair of oil supply rollers is provided.

  The present invention configured as described above can limit the amount of oil supply to the wire rope so as not to be excessive. Moreover, scattering and dripping of oil around the excessive oil supply can be prevented.

  The present invention is characterized in that, in the above invention, the diameter dimension of the other oil supply roller that is not oiled is set larger than the diameter dimension of the one oil supply roller that is oiled. It is said.

  In the present invention configured as described above, since the oil scattered with the rotation of the oil supply roller is absorbed by the other oil supply roller having a large diameter that is not supplied with oil, the oil is further prevented from scattering around the oil. be able to.

  Further, the present invention is the above invention, wherein the wire rope is composed of a plurality of wire ropes arranged in parallel with each other, and the cantilever support portion is moved in a height direction along the extending direction of the wire rope. A direction adjusting arm, a left / right adjustment arm for moving the cantilever support portion in a left / right direction along the juxtaposition direction of the plurality of wire ropes, and the cantilever support portion orthogonal to the left / right direction in a horizontal plane A front / rear direction adjustment arm that moves in the front / rear direction, and connects the height direction adjustment arm and the front / rear direction adjustment arm, and connects the front / rear direction adjustment arm and the left / right direction adjustment arm. The cantilever support portion is supported by the left / right adjustment arm.

  The present invention configured as described above is cantilevered by appropriately moving the height direction adjusting arm, the left and right direction adjusting arm, and the front and rear direction adjusting arm while being fixed to a predetermined part such as a machine beam. The pair of oil supply rollers can be positioned at an optimum position for sandwiching the wire rope through the section.

  Further, the present invention is characterized in that, in the above invention, the left-right adjustment arm is provided to be rotatable about the axis of the left-right adjustment arm.

  In the present invention configured as described above, the cantilevered support portion is made to rotate in the right and left direction adjusting arm as appropriate, so that the cantilevered support portion intersects the wire rope extension direction, for example, the direction substantially orthogonal to the wire rope extension direction. And can be easily extended.

  Further, the present invention is characterized in that, in the above invention, the height direction adjusting arm and the front-rear direction adjusting arm are formed of a square pipe or a square bar.

  The present invention configured as described above can realize a stable support structure of the cantilever support portion and the pair of oil supply rollers via the height direction adjustment arm and the front and rear direction adjustment arm made of a square pipe or a square bar. .

  Since the present invention includes a cantilever support portion that holds both the pair of oil supply rollers and extends in a direction crossing the extending direction of the wire rope, the wire rope is caught by the oil supply roller. Can be moved so that the cantilever support portion is bent and the oil supply roller follows the wire rope. By this movement of the oil supply roller, the wire rope can be less damaged by being caught on the oil supply roller, and the durability of the wire rope can be improved and safety can be improved as compared with the conventional case. it can.

  Hereinafter, the best mode for carrying out the oil supply device for wire rope according to the present invention will be described with reference to the drawings.

  FIG. 1 is a view showing an embodiment of the oil supply device for a wire rope according to the present invention, wherein (a) is a plan view, (b) is a side view, and FIG. 2 is a main wire rope according to this embodiment shown in FIG. It is a figure which shows the state applied to this oil supply, (a) A figure is a side view, (b) A figure is a principal part enlarged view seen from the A direction of (a) figure, FIG. 3 is a pair with which this embodiment is equipped. It is a figure which shows the operation | work which pinches | interposes a main wire roller with this oil supply roller.

  In the present embodiment, for example, an elevator car is moved up and down and applied to refueling a plurality of main wire ropes arranged side by side. As shown in FIGS. 1 and 2, the present embodiment is arranged such that the outer peripheral portion is formed of a flexible material such as felt or sponge and the outer peripheral surfaces are in contact with each other with the main wire rope 9 being sandwiched therebetween. A pair of oil supply rollers 18a and 18b. The diameters of the oil supply rollers 18a and 18b are set so that the diameter of the oil supply roller 18b is larger than the diameter of the oil supply roller 18a.

  Moreover, this embodiment is provided with the flame | frame 25 which has the cantilever support part 25a holding both the oil supply rollers 18a and 18b mentioned above. As shown in FIG. 2, the cantilever support portion 25 a is disposed so as to extend in a direction that intersects with the extending direction of the main wire rope 9, for example, a direction that is substantially orthogonal.

  The frame 25 is fixed to a left and right direction adjusting arm 26 that extends in the left and right direction along the juxtaposed direction of the plurality of main wire ropes 9 via clamps 29. The left / right adjustment arm 26 is rotatable about its axis. Accordingly, the frame 25 fixed to the left / right adjustment arm 26 is rotatable about the axis of the left / right adjustment arm 26.

  Further, the left / right direction adjusting arm 26 is fixed to a front / rear direction adjusting arm 27 extending in a direction perpendicular to the above-described left / right direction in a horizontal plane via a clamp 29. The front / rear direction adjusting arm 27 is fixed to a height direction adjusting arm 28 extending in the vertical direction via a clamp 29. As shown in FIG. 2, the height direction adjusting arm 28 is fixed upright on a fixing jig 30 fastened to the machine beam 3 in the machine room.

  Each of the height direction adjusting arm 28 and the front / rear direction adjusting arm 27 described above is composed of, for example, a square pipe or a square bar.

Further, for example, as shown in FIG. 1B, a nozzle 33 is arranged so as to face one of the above-described pair of oil supply rollers 18a, 18b, and this nozzle 33 Is held by a universal joint 34. The universal joint 34 is fixed to the arm 26 for adjustment in the left-right direction, for example. The nozzle 33 is connected to a pump (not shown) in the oil tank 31 through a tube 32.
The oil tank 31, the tube 32, and the nozzle 33 described above constitute means for supplying oil to the oil supply roller 18a.

  This embodiment is installed in a machine room as follows, for example.

  First, the fixing jig 30 is fixed to the machine beam 3 in the machine room, and the height direction adjusting arm 28 is positioned. Next, the longitudinal adjustment arm 27 is fixed to the height direction adjustment arm 28 by a clamp 29. Here, since the height direction adjusting arm 28 and the front / rear direction adjusting arm 27 are made of square pipes or square bars, the arms 27 and 28 can be easily arranged in directions orthogonal to each other.

  Next, the left / right adjustment arm 26 is fixed to the front / rear direction adjustment arm 27 by a clamp 29 so as to be parallel to the main wire ropes 9, for example, along the plurality of main wire ropes 9 arranged in parallel. . Thereafter, as shown in FIG. 3, the main wire rope 9 is sandwiched between the oil supply rollers 18a and 18b. In this state, the frame 25 is fixed to the left / right adjustment arm 26 with a clamp 29.

  Since the oil supply rollers 18a and 18b are cantilevered by the cantilever support portion 25a of the frame 25, the boundary portions of the oil supply rollers 18a and 18b are located outside as shown in FIG. The main wire rope 9 can be easily sandwiched between the oil supply rollers 18a and 18b by pressing the oil supply rollers 18a and 18b so as to face the side surface of the single main wire rope 9.

  Further, final positioning is performed by loosening the respective clamps 29 and moving the adjusting arms 26, 27, 28. Each of the oil supply rollers 18a and 18b is sufficiently filled with oil before sandwiching the main wire rope 9 as described above.

  Next, the universal joint 34 is fixed to the left / right adjustment arm 26, and the universal joint 34 is appropriately moved so that the nozzle 33 is positioned on the oil supply roller 18a. In this state, the tube 32 connected to a pump (not shown) in the oil tank 31 is connected to the nozzle 33 described above. This completes the installation of the present embodiment as shown in FIG. In FIG. 2, 7 is a sheave and 8 is a deflector, which are arranged in the machine room.

  FIG. 4 is a diagram showing a state when refueling the main wire rope of the present embodiment. When the elevator is driven in the state where the present embodiment is installed as described above, the main wire rope 9 moves as shown in FIG. 4, and the oil supply rollers 18 a and 18 b rotate accordingly, and the main wire rope 9 rotates. Oil supply to the wire rope 9 is performed. During this time, the oil 35 is supplied from the nozzle 33 to the oil supply roller 18a. A considerable amount of the oil 36 scattered by the rotation of the oil supply roller 18a is absorbed by the oil supply roller 18b having a large diameter.

  According to the present embodiment configured as described above, the main wire rope 9 is unraveled while the main wire rope 9 is being supplied with oil via the oil supply roller 18a or the like. When 9 is caught by one of the oil supply rollers 18a and 18b, since the extending direction of the cantilever support portion 25a is a direction substantially perpendicular to the extending direction of the wire rope 9, the cantilever support portion 25a A force in a direction of bending the cantilever support portion 25a acts. Therefore, the pair of oil supply rollers 18a and 18b held by the cantilever support portion 25a can be moved so as to follow the main wire rope 9 by the bending of the cantilever support portion 25a. Due to the movement of the oil supply rollers 18a and 18b, the main wire rope 9 is easily caught. That is, even if the cantilever support portion 25a or the like is damaged by receiving a large force, the damage of the main wire rope 9 can be reduced, and the durability of the main wire rope 9 can be improved. , Can improve safety.

  Further, since the entire circumference of the main wire rope 9 is wrapped in the oil supply rollers 18 a and 18 b, the oil can be supplied uniformly over the entire circumference of the main wire rope 9. Further, in this case, the entire circumference of the main wire rope 9 can be evenly supplied regardless of the diameter of the main wire rope 9 and regardless of the reduction of the diameter due to deterioration of the main wire rope 9. With these, it is possible to ensure excellent oil supply performance for the main wire rope 9. Further, the oil supply rollers 18a and 18b are held by the cantilever support portion 25a, and the outer peripheral surfaces of these oil supply rollers 18a and 18b are arranged so as to come into contact with each other. The main wire roller 9 can be easily sandwiched between the oil supply rollers 18a and 18b by inserting the oil supply rollers 18a and 18b, and the installation work of the oil supply rollers 18a and 18b with respect to the main wire rope 9 can be efficiently performed. Can be done well.

  Further, for example, since only one of the oil supply rollers 18a is supplied with oil, the amount of oil supply can be limited so as not to be excessive, which is economical. In addition, the oil can be prevented from scattering and dripping to the surroundings due to excessive oiling, which is effective for preventing contamination of the surroundings.

  In addition, since the diameter of the oil supply roller 18b to which no oil is supplied is set larger than the diameter of the oil supply roller 18a, the oil supply roller 18b generates a considerable amount of oil scattered by the rotation of the oil supply roller 18a. It can absorb the oil and can further suppress the oil scattering to the surroundings, contributing to the prevention of contamination.

  Further, by appropriately moving the height direction adjusting arm 28, the front / rear direction adjusting arm 27, and the left / right direction adjusting arm 26, the pair of oil supply rollers 18a, 18b is positioned optimally for sandwiching the main wire rope 9. It contributes to the realization of highly accurate oil supply to the main wire rope 9.

  Further, the cantilever support portion 25a can be easily positioned so as to extend in a direction substantially perpendicular to the extending direction of the main wire rope 9, by appropriately rotating the left / right adjustment arm 26 about its axis. Thus, the oil supply rollers 18a and 18b can be positioned at desired oil supply positions.

  Further, a stable support structure of the cantilever support portion 25a and the oil supply rollers 18a and 18b can be realized through the height direction adjusting arm 28 and the longitudinal direction adjusting arm 27 made of a square pipe or a square bar.

  In the above description, the nozzle 33 is opposed to the oil supply roller 18a and is supplied only to the oil supply roller 18a. Instead of supplying oil directly to the oil supply roller 18a, for example, in the vicinity of the oil supply roller 18a. Alternatively, the nozzle 33 may be opposed to the main wire rope 9 and the main wire rope 9 may be refueled.

  FIG. 5 is a side view showing another application example of the present embodiment. In FIG. 5, 11 is a governor pulley, 13 is a governor rope, and 40 is a governor machine frame. By fastening the above-described fixing jig 30 of the present embodiment to the frame 40 of the governor machine, as shown in FIG. 5, the governor rope 13 can be refueled according to the present embodiment.

  Moreover, although not shown in figure, this embodiment can also be utilized for the refueling of a compensation rope. Furthermore, although the example applied to the rope type elevator provided with the machine room has been described above, the present embodiment may be applied to the oil supply of the machine room-less elevator wire rope and the oil supply of the wire rope of the hydraulic elevator. it can.

It is a figure which shows one Embodiment of the oil supply apparatus for wire ropes of this invention, (a) A figure is a top view, (b) A figure is a side view. It is a figure which shows the state which applied this embodiment shown in FIG. 1 to the oil supply of the main wire rope, (a) A figure is a side view, (b) A figure is a principal part enlarged view seen from the A direction of (a) figure. It is. It is a figure which shows the operation | work which pinches | interposes a main wire roller with a pair of oil supply roller with which this embodiment is equipped. It is a figure which shows the state at the time of oil supply to the main wire rope of this embodiment. It is a side view which shows another example of application of this embodiment. It is a figure which shows the conventional oil supply apparatus for wire ropes, (a) A figure is a side view, (b) A figure is a front view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 3 Machine beam 9 Main wire rope 13 Governor rope 18a Oil supply roller 18b Oil supply roller 25 Frame 25a Cantilever support part 26 Left-right direction adjustment arm 27 Front-rear direction adjustment arm 28 Height direction adjustment arm 29 Clamp 30 Fixing jig 31 Oil tank 32 Tube 33 Nozzle 34 Universal joint 35 Oil 36 Oil 40 Frame

Claims (7)

In an elevator wire rope oil supply apparatus for an elevator that includes a pair of oil supply rollers for sandwiching a wire rope, and supplies the wire rope through these oil supply rollers,
An oil supply device for a wire rope, comprising a cantilever support portion that holds both of the pair of oil supply rollers and is arranged so as to extend in a direction intersecting with an extending direction of the wire rope. In the invention of claim 1,
An oil supply device for a wire rope, wherein the pair of oil supply rollers are arranged so that their outer peripheral surfaces are in contact with each other with the wire rope sandwiched therebetween. In the invention of claim 1,
An oil supply device for a wire rope, comprising means for supplying oil only to one of the pair of oil supply rollers. In the invention of claim 3,
An oil supply device for a wire rope, wherein a diameter size of the other oil supply roller not supplied with oil is set larger than a diameter size of the one oil supply roller supplied with oil. In the invention of claim 1,
The wire rope is composed of a plurality of wire ropes arranged side by side,
A height direction adjusting arm that moves the cantilever support portion in a height direction along the extending direction of the wire rope, and the cantilever support portion is moved in the left-right direction along the parallel arrangement direction of the plurality of wire ropes. A left-right adjustment arm, and a front-rear adjustment arm for moving the cantilever support portion in a front-rear direction perpendicular to the left-right direction in a horizontal plane,
The height direction adjustment arm and the front-rear direction adjustment arm are connected, the front-rear direction adjustment arm and the left-right direction adjustment arm are connected, and the cantilever support portion is connected to the left-right direction adjustment arm. An oil supply device for a wire rope characterized by being supported. In the invention of claim 5,
An oil supply device for a wire rope, characterized in that the left-right adjustment arm is provided so as to be rotatable about the axis of the left-right adjustment arm. In the invention of claim 5,
The oil supply device for a wire rope, wherein the height direction adjusting arm and the front-rear direction adjusting arm are formed of a square pipe or a square bar.

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