JP2010241563A - Elevator vibration-isolating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator vibration-isolating device which is miniaturized and has a small number of components with the ease of adjustment in production. <P>SOLUTION: The elevator vibration-isolating device comprises an elastic member disposed between a cage 6 of an elevator and a cage frame 3 for performing the vibration-isolation of the cage which prevents the cage from vibration. The elevator vibration-isolating device 24 includes: an elongated-hole device provided at a columnar frame 16 of the cage frame at a surface facing the cage and providing an elongated hole facing the cage in alignment with an elevator's lifting direction; and a vibration-isolating elastic body mounted to the cage to be axially movable within the elongated hole. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator steadying apparatus for stopping a swing of a cab relative to an elevator car frame.

  The elevator cab is supported by a car frame that is guided and moved by guide rollers along the guide rail. The lower part of the car room is supported by a rubber block or the like provided in the lower part of the car frame, and the upper part of the car room is supported by the anti-vibration bracket having an elastic member against the car frame. This prevents vibrations during the raising / lowering operation of the car from propagating to the car room, and prevents the upper part of the car room from being abnormally shaken or tilted in the horizontal direction.

  In order to suppress the swinging of the cab in the depth direction and the width direction of the cab, the steady rests on the upper part of the cab are provided on both sides of the cab. It is necessary to elastically support the front surface and the rear surface of the column member from three directions when viewed in the opening direction (the depth direction of the cab).

  For this reason, in the conventional elevator steadying device, the first L-shaped bracket that supports the two anti-vibration rubbers that contact the front surface and the opposite side surface of the column member, and the rear surface and the opposite side surface 2 of the column member. A second L-shaped bracket that supports two anti-vibration rubbers was attached to each side of the cab. For this reason, in this elevator steadying device, a total of eight anti-vibration rubbers and four L-shaped brackets are fixed with a large number of bolts (see Patent Document 1).

  In another elevator steadying device, it has also been proposed to attach a single U-shaped bracket that supports three anti-vibration rubbers in contact with the front, rear and opposite sides of the column member to both sides of the cab. Yes. In this elevator steadying device, there are a total of six anti-vibration rubbers and two mounting brackets (see Patent Document 2).

JP-A-5-193876 JP 2002-274769 A

  In such a conventional elevator steadying device, since the vibration-proof rubber support bracket is a large one surrounding the column member of the car frame, the elevator steadying device is large and the demand for downsizing is particularly strong. It was not always satisfactory to be applied to modern elevators.

  In addition, in such a conventional elevator steadying device, a number of anti-vibration rubbers, anti-vibration rubber mounting bolts, anti-vibration rubber support brackets and their mounting bolts are required respectively. Each of them required at least six in total, and the number of parts was large, and the mounting adjustment work was difficult.

  Furthermore, in a view elevator or a skeleton elevator, the steady rest device can be easily seen from the outside, and therefore it is necessary to devise an exterior that hides the aesthetic appearance.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an elevator steadying apparatus that is small in size, has a small number of parts, and can be easily manufactured and adjusted.

  The elevator steadying device according to the present invention is an elevator steadying device provided between an elevator cab and a car frame, having an elastic member for preventing vibration from the cab, and for stabilizing the cab. A long hole device that is provided on a surface opposite to the car room of the pillar frame of the car frame and provides a long hole in the elevator ascending / descending direction facing the car room, and a shaft that is attached to the car room and is mounted in the long hole An elevator steadying device comprising a vibration-proof elastic body movable in a direction.

  According to the elevator steadying apparatus of the present invention, it is possible to provide an elevator steadying apparatus that is small in size, has a small number of parts, and can be easily adjusted.

It is a perspective view of the elevator using the elevator steadying apparatus of Embodiment 1 of this invention. It is a disassembled perspective view of the elevator steadying apparatus of FIG. FIG. 3 is a top cross-sectional view showing an assembled state of the elevator steadying device of FIG. 2. It is a disassembled perspective view of the elevator steadying apparatus of Embodiment 2 of this invention. It is a top surface sectional view showing the assembly state of the elevator steadying device of Drawing 4. It is a disassembled perspective view of the elevator steadying apparatus of Embodiment 3 of this invention. It is a top surface sectional view showing the assembly state of the elevator steadying device of FIG.

  Embodiments of the present invention will be described below.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing an elevator using the elevator steadying apparatus according to Embodiment 1 of the present invention, and FIG. 2 is an exploded perspective view showing the elevator steadying apparatus shown in FIG. Fig. 2 is a top sectional view showing the assembled state of the elevator steadying device of Fig. 2.

  In FIG. 1, a car 2 suspended by a main rope 1 includes a car frame 3 connected to the main rope 1 and a car room 6 having a doorway 5 supported by the car frame 3 and opened and closed by a door 4. I have. The car room 6 includes a front wall 7 provided with a doorway 5, a rear wall 8, two side walls 9, a top wall 10 constituting a car ceiling, and a bottom wall 11 which is a car floor. An apron 13 is provided below the threshold 12 of the doorway 5.

  The car frame 3 is supported by the upper frame 14, the lower frame 15, the two parallel column frames 16, and the lower frame 15 that are assembled into a rectangular frame, and supports the bottom wall 11 of the car chamber 6. And a car floor support frame 17. The upper frame 14, the lower frame 15, and the column frame 16 are all made of channel steel having a U-shaped cross section. Guide shoes 18 are provided at the upper and lower ends of the column frame 16 so that the car frame 3 can be raised and lowered while being guided along a guide rail (not shown). The column frame 16 is formed such that the grooved steel web portions 19 face each other to form an opening 20 for accommodating the car chamber 6 and the flange portion 21 extends in a direction away from the other column frame 16. Has been placed.

  In such an elevator, a lower vibration isolator 23 is provided between the car floor support frame 17 of the car frame 3 and the bottom wall 11 of the car room 6, and the column frame 16 of the car frame 3 and the car room. An elevator steadying device 24, which is an upper vibration damping device of the present invention, is provided between the tops of the six side walls 9. The lower vibration isolator 23 and the elevator steadying device 24 absorb or attenuate relative vibrations or swings between the elevator car frame 3 and the car room 6. The lower vibration isolator 23 mainly absorbs vibrations in the vertical direction, that is, the up-and-down direction of the car 2, and the elevator anti-vibration device 24 that is the upper vibration isolator mainly in the horizontal direction, that is, the front-rear direction with the doorway 5 of the car 2 in front. And vibrations in the lateral direction to the left and right sides are absorbed.

  2 and 3 are an exploded perspective view and a top sectional view showing the assembled state of the elevator steadying device 24 of the present invention shown in FIG. That is, the elevator steadying device 24 is provided between the elevator cab 6 and the column frame 16 of the cab 3 and has an elastic member for preventing the cab 6 from being shaken to prevent the swaying of the cab. And an elevator ascending / descending direction (an axial direction of the column frame 16) provided on the car room facing surface 25 facing the car room 6 of the web portion 19 of the column frame 16 of the car frame 3 and facing the car room 6. And a long hole device 27 for providing a long long hole 26, and an elastic body block 28 attached to the upper portion of the cab 6 and movable in the vertical direction within the long hole 26.

  The long hole device 27 has a flange 29 that extends from the cab facing surface 25 of the column frame 16 to the back surface side and protrudes from the back surface of the web portion 19. The long hole 26 that receives the elastic body block 28 that is an elastic member is Surrounded by a flange 29. The flange 29 is also gradually narrowed in the direction from the car room facing surface 25 toward the back surface, so that the long hole 26 is similarly tapered.

  The elastic body block 28 inserted into the long hole 26 is made of an elastic body such as rubber. The plug portion 30 inserted into the long hole 26 and the plug portion 30 are integrally provided from the long hole 26. A large flange portion 31 and a threaded sleeve 32 that is insert-molded in the elastic body block 28 from the flange portion 31 to the plug portion 30. The plug portion 30 has a tapered shape substantially corresponding to the shape of the long hole 26, and when the plug portion 30 is inserted into the long hole 26, it closely contacts the long side of the long hole 26. The length is slightly shortened such that the plane is a flat plate-like plate shape. The flange portion 31 has an outer shape larger than that of the plug portion 30, so that the flange portion 31 is not inserted into the elongated hole 26, and cannot further advance by contacting the cab facing surface 25 of the column frame 16.

  The elevator steadying device 24 further includes an L-shaped bracket 33 for attaching the elastic body block 28 to the cab 6. The bracket 33 includes a base portion 36 that is attached to the reinforcing member of the cab 6 by a mounting bolt 35 that is passed through a long hole 34 for position adjustment, and a support portion 37 that rises at a right angle from the base portion 36. The part 37 is provided with a round hole 39 for receiving a fixing bolt 38 screwed into the screw hole of the sleeve 32 of the elastic block 28.

  Thus, in the elevator steadying device 24, the vibration of the car room 6 with respect to the column frame 16 is caused by the bracket 33 fixed to the car room 6 and the long hole device 27 provided on the car room facing surface 25 of the column frame 16. Is absorbed by the elastic block 28 provided between the two. That is, vibrations in the front-rear direction and the vertical direction of the cage 6 are absorbed by the plug portion 30 of the elastic body block 28 interposed between the flange 29 of the long hole device 27 and the fixing bolt 38 fixed to the bracket 33. . Further, the lateral vibration of the cab 6 is absorbed by the flange portion 31 of the elastic block 28 interposed between the web portion 19 of the column frame 16 and the rising support portion 37 of the bracket 33.

  Such an elevator steadying device has only one elastic body block 28 which is a vibration-proof rubber much smaller than the width of the column frame 16, and only needs to be attached to one side of the cab 6. A sufficient anti-vibration effect is exhibited. Therefore, two elastic blocks 28 are sufficient for vibration isolating rubber, which conventionally required six or more for one car, and the number of mounting brackets can be only two. Moreover, since the request | requirement with respect to the attachment bracket which supports the elastic body block 28 is supporting the elastic body block 28 in the surface parallel to the cage | basket | chamber opposing surface 25, compared with the conventional thing, it is a simple L-shaped metal fitting can do. Furthermore, since the entire elevator steadying device is small, the installation space is very small. Therefore, the manufacture, installation, and adjustment of the elevator steadying device are easy, which can contribute to the miniaturization of the elevator and the improvement of the design.

Embodiment 2. FIG.
4 is an exploded perspective view showing an elevator steadying device 24 according to Embodiment 2 of the present invention, and FIG. 5 is a top sectional view showing an assembled state of the elevator steadying device 24 shown in FIG. In the elevator steadying device 24, the long hole device 40 includes a long hole 41 provided in the car facing surface 25 of the web portion 19 of the column frame 16 and an adapter 42 fitted and supported in the long hole 41. Has been. The long hole 41 is a through hole provided through the web portion 19. The adapter 42 is fitted and supported in the long hole 41, and is provided at one end of the body 43, with a hollow body 43 having both ends opened to form the long hole 26 that receives and supports the elastic body block 28. It has a flange 44 projecting outward over the entire circumference. The adapter 42 can be supported in the long hole 41 by press fitting, welding, adhesive, or the like. The other structure is the same as that of the elevator steadying apparatus 24 shown in FIGS.

  In the elevator steadying device 24, the long hole device 40 is not configured integrally with the web portion 19 of the column frame 16, but includes a simple long hole 41 and an adapter 42 fitted therein. Therefore, the processing of the long hole 52 in the web portion 19 is simple and easy, and the force applied to the elastic body block 28 from the long hole 41 can be dispersed.

Embodiment 3 FIG.
FIG. 6 is an exploded perspective view showing an elevator steadying device 24 according to Embodiment 3 of the present invention. FIG. 7 is a top sectional view showing an assembled state of the elevator steadying device 24 of FIG. In the elevator steadying device 24, a long hole device 45 is attached to the car facing surface 25 of the web portion 19 and has an adapter 46 having a long hole 26 for receiving the elastic body block 28.

  That is, the adapter 46 is hollow and has a flat shape with a bottom wall 47, and is welded to a body portion 48 that forms a long hole 26 for receiving the elastic body block 28 inside, and an outer surface of the bottom wall 47 of the body portion 48. A stud bolt 49 and a flange portion 50 which is provided at the open end of the body portion 48 over the entire circumference and extends outward.

  At the time of assembly, the stud bolt 49 of the adapter 46 is inserted into the round hole 51 provided in the web portion 19 of the column frame 16 and is fixed to the web portion 19 by the fixing nut 52. In such an elevator steadying device 24, the elastic body block 28 fixed to the car room 6 by the bracket 33 is received in the long hole 26 of the adapter 46 fixed to the column frame 16, and the car frame 3 and the car room are received. 6 can be absorbed. Other configurations are the same as those of the elevator steadying device 24 described above.

In this elevator steadying device 24, the adapter 46 can be fixed to the column frame 16 by the stat bolt 49 to which the adapter 46 is welded. Therefore, it is necessary to provide a long hole as shown in FIGS. There is no need to process only the through hole 51 for the stat bolt 49, and the processing is easy. In addition, even when the height of the long hole in the first and second embodiments is wrongly manufactured, it can be easily replaced with a drill at the installation site.
Explanation

  The apparatus illustrated and described above is merely an example, and various modifications are possible, and the features of each specific example can be used altogether or selectively combined. For example, the hollow body 43 shown in FIGS. 4 and 5 is open at both ends in the axial direction, but the other side is closed by the bottom wall like the adapter 45 shown in FIGS. Also good.

  The present invention can be used for an elevator steadying device for an elevator apparatus.

  3 Car frame, 6 Car room, 24 Elevator steady rest, 16 Column frame, 25 Car room facing surface, 26, 41 Long hole, 27, 40, 45 Long hole device, 28 Elastic body block, 29, 44, 50 Flange 42, 46 Adapter.

Claims (6)

In an elevator steadying device that is provided between an elevator cab and a car frame and has an elastic member that dampens the cab, and that sways the cab.
An elongate hole device provided on a car room facing surface of a pillar frame of the car frame and providing a long elongate hole facing the car room in a lift direction of the elevator;
An elevator steadying device comprising: an elastic body block attached to a car room and movable in the elevating direction of the elevator within the elongated hole.   2. The elevator steadying apparatus according to claim 1, wherein the elongated hole device has a flange having the elongated hole extending from the cab facing surface to the back side.   The said long hole apparatus has the long hole provided in the said cage room opposing surface, and the adapter which has the said long hole which fits into this long hole and receives the said elastic body block, It is characterized by the above-mentioned. The elevator steady rest apparatus of Claim 1.   2. The elevator steadying apparatus according to claim 1, wherein the long hole device has an adapter attached to the cab facing surface and having the long hole.   The elevator steadying apparatus according to any one of claims 1 to 4, wherein the elastic body block moving in the elongated hole has an oval cross-sectional shape.   The elevator steadying device according to any one of claims 1 to 5, wherein the elastic body block has a tapered taper plug portion and a flange portion provided on the plug portion. .

Images