JP5622560B2 - Elevator oiling device - Google Patents

Description

  Embodiments of the present invention relate to an elevator oil supply apparatus, and, for example, to an oil supply apparatus that supplies oil to a sheave included in an elevator.

  The main rope used for the elevator needs to be refueled from the outside in order to maintain the quality and ensure the service life. When this amount of oil supply is insufficient, the outer peripheral surface of each sheave in contact with the main rope, that is, the groove surface is damaged by wear. This damage causes vibration. For this reason, a rope oil feeder that supplies oil to the main rope by felt infiltrated with oil is installed in the vicinity of the main sheave (for example, see Patent Document 1).

JP 2006-21873 A

  However, the above-mentioned rope lubricator is generally installed in a narrow space between the building wall and the main sheave due to the space with other devices. It is difficult to visually check the rope lubricator. For this reason, it is difficult for workers to perform installation and maintenance work, and the workability of installation and maintenance is reduced.

  This invention is made | formed in view of the above, The objective is to provide the oil supply apparatus of the elevator which can improve the workability | operativity of installation and maintenance of an apparatus.

An elevator oil supply apparatus according to an embodiment of the present invention is located immediately below a sheave in contact with a main rope, an oil supply material that supplies oil by contacting the outer peripheral surface of the sheave, and an outer peripheral surface of the sheave that is located immediately below the sheave. And a tank that is located directly under the sheave and that contains oil into which the oil supply material is immersed , and both ends of the oil supply material are immersed in the oil in the tank. the central portion pressing portion of the wood that have contact with the outer peripheral surface of the sheave.

It is a figure showing the schematic structure of the elevator concerning a 1st embodiment of the present invention. It is a front view which shows the main sheave and oil supply apparatus with which the elevator shown in FIG. 1 is provided. It is sectional drawing which shows the main sheave and oil supply apparatus shown in FIG. It is a side view which shows the main sheave and the oil supply apparatus shown in FIG. It is a top view which shows the pressing member and tank with which the oil supply apparatus shown in FIG. 2 is provided. It is a top view which shows the oil supply material and tank with which the oil supply apparatus shown in FIG. 2 is provided. It is sectional drawing which shows the main sheave and oil supply apparatus with which the elevator which concerns on the 2nd Embodiment of this invention is provided. It is sectional drawing which shows the main sheave and oil supply apparatus with which the elevator which concerns on the 3rd Embodiment of this invention is provided.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, an elevator 1 according to the first embodiment of the present invention includes a passenger car 2 on which passengers, luggage, etc. are placed, a counterweight 3 for balancing the weight of the passenger car 2, and A main rope 4 to be suspended, a main sheave 5 for winding up the main rope 4, and an oil supply device 6 for supplying oil to the main sheave 5 are provided.

  The car 2 is provided in the hoistway so that it can be raised and lowered over each floor. One end of a main rope 4 is fastened to the car 2. The other end of the main rope 4 is fastened to the counterweight 3. A plurality of main ropes 4 are provided, all of which are wound around the outer peripheral surface of the main sheave 5. The main sheave 5 is configured to be rotatable by a drive motor (not shown), rotates by receiving the driving force of the drive motor, and sends out the main rope 4. The main rope 4 is sent out, and the car 2 moves up and down across the floors.

  The oil supply device 6 is provided immediately below the main sheave 5, for example, on a machine bed M <b> 2 provided on the machine beam M <b> 1, and supplies oil to the outer peripheral surface of the main sheave 5 from below the main sheave 5. . The machine bed M2 is a support base that supports the main sheave 5 and the drive motor.

  Next, the fueling device 6 will be described in detail with reference to FIGS.

  As shown in FIGS. 2 to 4, the oil supply device 6 includes an oil supply material 11 that supplies oil by contacting the outer peripheral surface of the main sheave 5, and a pressing portion that presses the oil supply material 11 against the outer peripheral surface of the main sheave 5. 12 (see FIG. 2 and FIG. 4), a tank 13 for storing oil into which the oil supply material 11 is immersed, and a receiver for receiving the dust G1 (see FIG. 3) removed from the outer peripheral surface of the main sheave 5 by the oil supply material 11. And a member 14.

  Here, in FIG. 4, the main rope 4 is omitted for ease of viewing, but the cross section of the main rope 4 is indicated by a chain line in order to show the positional relationship between the main rope 4 and the main sheave 5. As shown in FIG. 4, a plurality of groove portions 5 a are formed on the outer peripheral surface of the main sheave 5. These groove portions 5a extend in the circumferential direction of the main sheave 5 in parallel with each other, and each main rope 4 is individually provided in each groove portion 5a. However, the main rope 4 does not reach the bottom surface of the groove portion 5a, and is positioned at the upper portion of the groove portion 5a (see the chain line in FIG. 4).

  The oil supply material 11 is located directly below the main sheave 5 and supplies oil to the outer peripheral surface of the main sheave 5, that is, the contact surface that contacts the main rope 4 in each groove portion 5 a. The oil supply material 11 is formed in a rectangular flat plate shape, is bent into a U-shape, and both ends thereof are immersed in the oil of the tank 13, and the center portion thereof is the outer peripheral surface of the main sheave 5, that is, It is provided so as to come into contact with the contact surface of each of the grooves 5a described above. The oil supply material 11 is formed of a material such as felt having oil-impregnating properties and flexibility, for example.

  The pressing portion 12 includes a pressing member 12a that presses the oil supply material 11 against the outer peripheral surface of the main sheave 5, that is, the contact surface of each of the groove portions 5a, and a pair of support columns 12b and 12c that support the pressing member 12a. Yes.

  The pressing member 12 a is located directly below the oil supply material 11 and is supported by a pair of support columns 12 b and 12 c so as to press the central portion of the oil supply material 11 against the outer peripheral surface of the main sheave 5. As shown in FIG. 5, the pressing member 12a is formed by welding two screw rods 22 and 23 to a flat plate 21 such as steel.

  The pair of struts 12b and 12c are formed of, for example, a plate material, and are erected with the tank 13 therebetween (see FIG. 4). A long hole H1 extending in the vertical direction is formed in the column 12b, and a long hole H2 extending in the vertical direction is also formed in the column 12c. Two screw rods 22 and 23 of the pressing member 12a are respectively inserted into the long holes H1 and H2, and are fixed to the columns 12b and 12c by nuts 12d and 12e from the opposite side to the insertion side.

  As described above, the elongated hole H1 is formed in the support column 12b, and further, the elongated hole H2 is formed in the support column 12c. Therefore, the vertical position can be adjusted, and installation and maintenance work can be easily performed. In addition, the pressing force for pressing the oil supply material 11 against the outer peripheral surface of the main sheave 5 can be adjusted. This pressing force is adjusted so that the optimal lubrication can be performed without the lubrication material 11 being displaced by the rotation of the main sheave 5.

  The tank 13 is located immediately below the presser member 12a and is a storage portion that stores oil. As shown in FIG. 5, two rectangular through holes 13 a and 13 b into which the oil filler 11 is inserted are formed on the upper surface of the tank 13. Both ends of the oil filler 11 are inserted into these through holes 13a and 13b. As shown in FIG. 6, the center of the oil filler 11 is located on the flat plate 21 of the pressing member 12a, and both ends of the oil filler 11 are It is immersed in the oil in the tank 13 (see FIG. 3). As a result, oil is supplied from both ends to the oil supply material 11, so that the oil supply material 11 is moved in which direction by rotation of the main sheave 5 in both directions, compared to the case where only one end is immersed in oil. Even if there is a slight deviation, the oil supply material 11 can be maintained in an appropriate oil-impregnated state.

  The receiving member 14 is provided directly below the tank 13 and functions as a tray on which the tank 13 is placed. The receiving member 14 receives dust (impurities) G1 and oil that are removed from the outer peripheral surface of the main sheave 5 by the oil supply material 11 and fall from the upper surface of the tank 13. Thereby, it can prevent that the circumference | surroundings of the tank 13 etc. become dirty with garbage G1, oil, etc.

  In the oil supply device 6 having such a configuration, the oil is contained in the tank 13 and both ends of the oil supply material 11 are immersed in the oil, so that the oil supply material 11 contains oil entirely by a capillary phenomenon. It is. In addition, when the oil in the tank 13 becomes low, the worker periodically replenishes oil from an oil supply port (not shown) provided in the tank 13 during work such as maintenance.

  The oil-containing oil supply material 11 is pressed against the outer peripheral surface of the main sheave 5 by the pressing member 12a, and supplies oil to the outer peripheral surface of the rotating main sheave 5, that is, the tip portion between the groove portions 5a. Thereafter, the oil adhering to the tip portion between the groove portions 5 a, specifically, the contact surface in contact with the main rope 4 in each groove portion 5 a is supplied to all the main ropes 4 according to the rotation of the main sheave 5. Therefore, the oil filler 11 supplies oil to the outer peripheral surface of the main sheave 5 according to the rotation of the main sheave 5, and further supplies oil to the main rope 4 via the outer peripheral surface of the main sheave 5.

  If the number of times the elevator 1 is activated (the number of times the elevator car 2 is raised or lowered) increases, each groove 5a of the main sheave 5 accumulates dust G1 such as solid oil or dust in the hoistway. Since the oil filler 11 is pressed against each groove 5a of the main sheave 5 by the pressing member 12a, the dust G1 is wiped off from each groove 5a by the oil filler 11. The wiped dust G1 falls on the receiving member 14 through the upper surface of the tank 13 and is collected by the receiving member 14.

  As described above, according to the first embodiment of the present invention, the oil supply device 11 is installed by providing the oil supply material 11, the pressing portion 12 and the tank 13, that is, the oil supply device 6 immediately below the main sheave 5. It is installed in a position where it can be easily visually confirmed by workers who perform maintenance and maintenance. Thereby, since it becomes possible for a worker to perform various operations while visually checking the fuel supply device 6 easily, the workability of installation and maintenance of the fuel supply device 6 can be improved. Furthermore, since it is possible to clean the outer peripheral surface of the main sheave 5, that is, the respective groove portions 5 a existing on the outer peripheral surface, at the same time that the main sheave 5 is supplied with the oil supply material 11, each groove portion of the main sheave 5 is cleaned. 5a can be kept clean.

  Further, both end portions of the oil filler 11 are immersed in the oil in the tank 13, and the central portion of the oil filler 11 is in contact with the outer peripheral surface of the main sheave 5 by the pressing portion 12. As a result, oil is supplied from both ends to the oil supply material 11, so that the oil supply material 11 is moved in which direction by rotation of the main sheave 5 in both directions, compared to the case where only one end is immersed in oil. Even if there is a slight deviation, the oil supply material 11 can be maintained in an appropriate oil-impregnated state.

  The pressing portion 12 includes a pressing member 12a that presses the oil supply material 11 against the outer peripheral surface of the main sheave 5, and a pair of support columns 12b and 12c that support both ends of the pressing member 12a. Are provided on the pair of support columns 12b and 12c so that the pressing force for pressing the oil supply material 11 against the outer peripheral surface of the main sheave 5 can be adjusted. Accordingly, it is possible to adjust the pressing force, and it is possible to suppress the oil supply material 11 from being displaced by the rotation of the main sheave 5 and to perform optimal oil supply. Further, even when the oil filler 11 is deteriorated due to wear with the main sheave 5, the pressing force can be appropriately adjusted to perform optimal oil supply.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIG.

  The second embodiment of the present invention is basically the same as the first embodiment. In the second embodiment, differences from the first embodiment will be described, the same parts as those described in the first embodiment will be denoted by the same reference numerals, and the description thereof will also be omitted.

  As shown in FIG. 7, a protrusion 31 rising from the peripheral edge of the through hole 13a is formed on the upper surface of the tank 13 provided in the oil supply device 6 according to the second embodiment of the present invention, and further, the through hole 13b. A protrusion 32 rising from the periphery of the protrusion is formed. These protrusions 31 and 32 are formed in a rectangular frame shape in accordance with the rectangular through hole 13a or the through hole 13b. The protrusions 31 and 32 make it difficult for the dust G1 wiped from the outer peripheral surface of the main sheave 5 to enter the tank 13 from the through holes 13a and 13b. Thereby, it is possible to prevent the wiped dust G1 from entering the tank 13.

  In addition, corners located at both ends of the upper surface of the tank 13 are taken, and two inclined surfaces S1 and S2 are formed on the upper surface of the tank 13. These inclined surfaces S 1 and S 2 are gradually inclined from the upper surface of the tank 13 toward the outer periphery of the tank 13. As a result, the wiped-off dust G1 flows through the inclined surface S1 or the inclined surface S2 and easily falls onto the receiving member 14, so that the wiped-off dust G1 can be more reliably prevented from entering the tank 13. Can do.

  As described above, according to the second embodiment of the present invention, the same effect as that of the first embodiment can be obtained. Further, a frame-shaped protrusion 31 rising from the periphery of the through hole 13a is formed, and in addition, a frame-shaped protrusion 32 rising from the edge of the through hole 13b is formed. This makes it difficult for the dust G1 wiped off from the outer peripheral surface of the main sheave 5 to enter the tank 13 from the through holes 13a and 13b, and thus prevents the wiped dust G1 from entering the tank 13. can do.

(Third embodiment)
A third embodiment of the present invention will be described with reference to FIG.

  The third embodiment of the present invention is basically the same as the first embodiment. In the third embodiment, differences from the first embodiment will be described, and the same parts as those described in the first embodiment will be denoted by the same reference numerals, and the description thereof will also be omitted.

  As shown in FIG. 8, two openings 41 and 42 are formed on the upper surface of the tank 13 provided in the oil supply device 6 according to the third embodiment of the present invention, and these openings 41 and 42 are individually provided. Two filters 43 and 44 for closing are provided. The openings 41 and 42 are formed at both ends of the upper surface of the tank 13 so as to avoid the two through holes 13 a and 13 b existing on the upper surface of the tank 13. The filter 43 is fitted and fixed in the opening 41, and the filter 44 is fitted and fixed in the opening 42.

  In the fuel supply device 6 having such a configuration, the wiped dust G1 falls on the filter 43 or the filter 44 located on the upper surface of the tank 13. The garbage G1 is a mixture of oil and dust in the hoistway and hardened. However, since it contains oil, the oil mixed in the garbage G1 can be recovered through the filters 43 and 44. . Therefore, each of the filters 43 and 44 is a filter that does not allow the dust G1 wiped from the outer peripheral surface of the main sheave 5 by the oil filler 11 to pass therethrough and allows the oil mixed in the dust G1 to pass therethrough.

  As described above, according to the third embodiment of the present invention, the same effect as that of the first embodiment can be obtained. Furthermore, two openings 41 and 42 are formed on the upper surface of the tank 13, and two filters 43 and 44 that individually close the openings 41 and 42 are provided. As a result, the dust G1 falls on the filter 43 or the filter 44, and the oil contained in the dust G1 is collected in the tank 13, so that the amount of oil replenished during maintenance work can be reduced. Since the period until the next replenishment can be extended, the oil replenishment work during the maintenance work can be omitted in some cases.

(Other embodiments)
Finally, the above-described embodiments according to the present invention are examples, and the scope of the invention is not limited thereto. The above-described embodiment can be variously modified. For example, some components may be deleted from all the components shown in the above-described embodiment, and further, components according to different embodiments may be appropriately combined. Also good.

  In the above-described embodiment, the oil supply device 6 is provided for the main sheave 5. However, the present invention is not limited to this, and when there is another sheave contacting the main rope 4, for example, a deflecting sheave, the deflecting sheave. Alternatively, a fueling device 6 may be provided. In this case as well, the oil is supplied to the sheave sheave by the oil filler 11, and the oil is also supplied to the main rope 4 through the deflector sheave.

  Further, in the above-described embodiment, the oil filler 11 is inserted into the through holes 13a and 13b on the upper surface of the tank 13 to be fitted and fixed to the tank 13. However, the present invention is not limited to this. Alternatively, it may be fixed to the tank 13 by a fixing member such as an adhesive. However, when the oil supply material 11 is deteriorated due to wear with the main sheave 5 or the like, it is necessary to replace the oil supply material 11. Therefore, it is desirable that the oil supply material 11 is detachably provided in the tank 13.

4 Main rope 5 Main sheave (sheave)
6 Oil supply device 11 Oil supply material 12 Pressing portion 12a Holding member 12b Post 12c Post 13 Tank 13a Through hole 13b Through hole 31 Protruding portion 32 Protruding portion 41 Opening 42 Opening 43 Filter 44 Filter

Claims (4)

An oil supply material that is located immediately below the sheave that contacts the main rope and that supplies oil by contacting the outer peripheral surface of the sheave;
A pressing portion that is located immediately below the sheave and presses the oil supply material against the outer peripheral surface of the sheave;
A tank that is located directly below the sheave and that contains oil into which the oiling material is immersed;
Equipped with a,
Both ends of the oil supply material are immersed in the oil in the tank,
Lubrication device for an elevator a central portion of the fuel supply member is characterized that you have contact with the outer peripheral surface of the sheave by the pressing portion. The pressing portion is
A pressing member that presses the oil supply material against the outer peripheral surface of the sheave;
A pair of struts supporting both ends of the pressing member;
It has
2. The elevator oil supply apparatus according to claim 1 , wherein the pressing member is provided on the pair of struts so that a pressing force for pressing the oil supply material against an outer peripheral surface of the sheave can be adjusted . Wherein the top surface of the tank, the oil supply apparatus according to claim 1 Symbol placement of the elevator, characterized in that the projections of the frame-shaped rising from the through hole and the through hole the oil supply member is inserted is formed. The upper surface of the tank, the opening is formed, the oil supply apparatus according to claim 1 Symbol placement of the elevator, characterized in that the filter closes the opening is provided.

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