0001]The present invention relates to an elevator system.
BACKGROUND
[0002]In general, the elevator system is popular many what are called traction type. The traction system is a counter weight and the car are suspended by a traction rope, in which a counter weight with the cage by rolling up the traction rope hoist is raised and lowered in the vertical opposite directions. Also, recent elevator apparatus is becoming a machine room-less type elevator apparatus main hoist, is possible to arrange the counterweight and the control panel or the like in the hoistway has become a major feature.
[0003]
　As described above, in the elevator system of the machine room-less expression hoisting machine hoistway, counterweight to accommodate the weight and car, etc., of the hoistway top of the upper like the lower and counterweight of the car It is provided with a pulley for guiding by passing traction rope many places. Then, to place car, a hoisting machine and the counterweight like riding a narrow hoistway, the traction rope in the elevator shaft is required to be appropriately set the direction of travel and the angle, various pulley described above and adjusting the traveling direction and the angle by.
[0004]
　Therefore, there is possible to attach the pulley traction rope is wound structure within the hoistway (e.g., car or counterweight) obliquely at an angle with respect to. For such installation conditions, conventionally, a holding member for supporting the pulley to the structure body was fixed by a plurality of bolts, it is common to secure the necessary strength.
[0005]
　As a technique for mounting the pulley at an angle relative to the structure, there is Patent Document 1 below. Patent Document 1, the beam after having provided on the top of the lifting body which is moved up and down the hoistway, the mounting plate which is fixed by a plurality of fasteners, the shaft support member provided on said mounting plate, said shaft suspension axles are supported by the support member, and includes a rotatable suspension sheave about said suspended axle, in the mounting plate, a plurality of insertion holes in which the fastener is passed is provided, it said mounting by selecting the insertion hole used a plate to be fixed to the upper beam, elevator suspending pulley device is disclosed that the inclination angle is changeable with respect to the upper beam of the lifting axle is viewed from directly above ing.
CITATION
Patent Document
[0006]
Patent Document 1: JP 2015-013699 JP
Summary of the Invention
Problems that the Invention is to Solve
[0007]
　However, in the configuration Patent Document 1 described above, the fasteners for fastening the pulley via a mounting plate to the structure (bolts and nuts), pulled out is one tensile load (volt components combined load direction of the load) is applied. For this tensile load, the frictional force between the structure and the mounting plate does not contribute to the fastening forces, will receive only the fastening force of the bolt, there is a problem in terms of securing strength.
[0008]
　An object of the present invention is to provide an elevator apparatus that can be in view of the above circumstances, undergo a tensile load in the configuration other than the bolt fastening.
Means for Solving the Problems
[0009]
　Elevator device according to the present invention, in order to achieve the above object, and held so as to sandwich the pulley, a pair of holding members having a leg member to the end, provided at an end of the structure, a pair of holding members leg member has a mounting member having a pair of grooves being 篏合. Mounting member consists a plurality of plate members are stacked, each of the plate members, a pair of notches are provided which are arranged in the longitudinal direction. Each cut of a plurality of plate members outs constitute a pair of grooves in the plate member is disposed so as to be continuous in the stacking direction of the plate member. By changing the position of the notch of the plate member, it is possible to adjust the angle for mounting the pulley to the structure.
[0010]
　More specific configurations of the present invention are set forth in the appended claims.
The invention's effect
[0011]
　According to the present invention, it is possible to provide a lift device capable of receiving a tensile load in the configuration other than the bolt fastening.
[0012]
　Incidentally, problems other than those described above, and advantages will become apparent from the following description of embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
[0013]
It is a schematic diagram illustrating an example elevator system according to FIG. 1 the present invention.
It is an enlarged view of X portion of FIG. 1; FIG.
Is a top view of FIG. 3 FIG.
A [4] a schematic view enlarging a pulley and retaining member of FIG.
5 is a schematic view enlarging a plate member 2.
It is a schematic diagram showing another embodiment of FIG. 6 pulley and the holding member.
It is a schematic diagram showing another embodiment of FIG. 7 the plate member.
DESCRIPTION OF THE INVENTION
[0014]
　Hereinafter, embodiments for implementing the elevator system according to the present invention will be described in detail with reference to the drawings. Note that description of the same or similar configuration in each drawing repeated denoted by the same reference numerals will be omitted.
[0015]
　Figure 1 is a schematic diagram illustrating an example elevator system according to the present invention. As shown in FIG. 1, the elevator device 10 according to the present invention, the structure provided in the hoistway 17 and (in FIG. 1, the car 11 and the counterweight 20), a pulley attached to the structure 1, 14 has a 15, a rope 16 wound around the pulleys 1,14,15, the hoist 12 to drive the rope 16. Elevator system 10 shown in FIG. 1 is of the traction type, the hoisting machine 12, frictionally drives the rope 16 which is wound around the sheave 13 (traction rope), the car 11 and the counterweight 20 up and down It has a configuration in which moving up and down to.
[0016]
　The "structure" in the present invention, provided in the hoistway 17, refers to the pulley is attached. In Figure 1, cites cage 11 and the counterweight 20 as a "structure", but this addition, because it may pulley is also provided at the top of the hoistway 17, the structure ceiling or the like of the hoistway 17 but also including. As described above, "structure" in the present invention is not limited to the car 11 and the counterweight 20, including any that pulley 1 is mounted.
[0017]
　Hereinafter, the mounting structure of the structure and the pulley, the pulley 1 and the counterweight 20 in FIG. 1 as an example. Figure 2 is an enlarged view of X portion of FIG. As shown in FIG. 2, the pulley 1 has a pair of holding members 7 provided so as to sandwich the pulley 1 (7a, 7b). Holding member 7, by being fixed to the axis 9 of the pulley 1, without interfering with the rotation of the pulley 1, holds the pulley 1. Note that the pulley 1 has a rope 16 is wound as shown in FIG. 1 are omitted in FIG. 2, the rope 16.
[0018]
　Counterweight 20 includes a counterweight frame 2 (2a, 2b), has a mounting member 8 on the end portion. Mounting member 8 is for a plurality of plate members 4 are stacked, has a groove 5 (5a, 5b). Method of fixing the counterweight frame 2 of the plate member 4 (2a, 2b) will be described later. End of the holding member 7 by being 篏合 the groove 5, the pulley 1 is mounted on the structure (counterweight 20). In Figure 1, the end portion of the holding member 7a in the groove 5a is 篏合, the ends of the holding member 7b in the groove 5b is 篏合.
[0019]
　Figure 3 is a top view of FIG. As shown in FIGS. 2 and 3, the mounting member 8 has a plurality of plate members 4 is formed by laminating. A plurality of plate members 4, a pair of notches 3a arranged in the longitudinal direction, respectively, have 3b, the notch 3a, 3b is the plate member 4 is disposed so as to be continuous in the stacking direction of the plate member 4 it is a pair of grooves 5a as described above, constitute a 5b. According to such a configuration, it is possible to attach the pulley to the structure without using a fastening member. Further, notches 3a, the position of the 3b, (by adjusting the displacement dimension) by shifting little by little between 4 adjacent plate member, freely angle to mount the pulley 1 to the structure in accordance with the elevator specifications it is possible to adjust.
[0020]
　In the elevator apparatus of a machine room-less type, since placing the counterweight 20 or the like to narrow hoistway 17, such that the or each structure provided in the hoistway 17, routed rope does not interfere with each other the pulley 1 rope 16 is wound is required to be attached to the structure with a predetermined angle. The configuration present invention described above, it is possible to properly adjust the angle of the rope 16.
[0021]
　As shown in FIG. 2, the counterweight frame 2 (2a, 2b) in the end portion of the bolt through hole 18 is provided, portions to be bolt through holes corresponding to the bolt holes 18 of the plate member 4 ( not shown) is provided. Counterweight frame 2 (2a, 2b) and by fastening through bolts into the bolt through-hole of the plate member 4, it is possible to fix the plate member 4 to the counterweight frame 2 (2a, 2b).
[0022]
　Figure 4 is a schematic view enlarging a pulley and retaining member of FIG. 2, FIG. 5 is a schematic view enlarging a plate member 2. As shown in FIG. 4, the end portion of the holding member 7 (end on the side which is 篏合 the groove 5), the leg member 6 (6a, 6b) are provided. In the embodiment shown in FIG. 4, when viewed from the side of the holding member 7 (rope wound around is the surface of the pulley 1), the holding member 7a (7b) forms an inverted T-shape. As shown in FIG. 5, the plate member 4, a pair of notches 3 (3a, 3b) are provided side by side longitudinally. In the embodiment shown in FIG. 5, notches 3 (3a, 3b) has an inverted T-shape. The dimensions of the T-shape of the holding member 7, moves to be smaller than the inverted T-shaped cutout 3, while a margin with respect to the longitudinal direction of the plate member 4 to the holding member 7 (in the left-right space the while securing), the holding member 7 and the plate member 4 and (the mounting member 8) can be 篏合.
[0023]
　Next, the procedure for installing the counterweight 20 of the pulley 1. Counterweight frame 2a, 2b in cross section has a U-shape. The counterweight frame 2a, as is sandwiched 2b, counterweight frame 2a, the upper end of 2b, arranged by laminating the plate member 4. By thus laminating a plurality of plate members 4, notches 3a which are formed in the respective plate members 4, 3b are continuously arranged in the stacking direction to form a groove 5 (5a, 5b). Then, the holding member 7 for holding the pulley 1, while sliding in an oblique direction with respect to the balance weight 20, which 篏合 the groove 5. That is, the leg member 6a in the groove 5a, fitted leg member 6b in the groove 5b, attach the pulley 1 to the counterweight 20.
[0024]
　Indeed hanged weight 20 balancing via the pulley 1 by a rope 16, when running the elevator system, but it takes combined load from multiple directions, the vertical load (tensile load), the retention of the inverted T-shaped horizontal plane of the leg member 6 which member 7 has is subjected by contact to the inverted T-shaped horizontal groove 5. Further, the load in the horizontal direction, the vertical face of the leg member 6 inverted T-shaped holding member 7 has is subjected by contact in a vertical plane of the inverted T-shaped groove 5. Thus, the structure of the holding member 7 and the mounting member 8 as described above, while excellent in relatively simple workability, it is possible to realize a robust structure for mounting both firmly. If attached by fasteners pulley structure, it takes combined load from a relatively large multiple directions fastener, in order to ensure the required strength, it is necessary to increase the bolting position. Therefore, the parts Number increases and for bolt fastening, takes much bending a fixture, there is a problem that the structure becomes complicated. The present invention, for attaching the pulley to the structure without by bolting, as described above, a problem that parts Number for bolt fastening is increased is one that does not occur originally.
[0025]
　Figure 6 is a schematic diagram illustrating another form of the pulley and the holding member, FIG. 7 is a schematic diagram illustrating another form of the plate member. In the embodiment shown in FIG. 6, when viewed from the side of the holding member, the holding member 7a (7b) forms an L-shape. In the embodiment shown in FIG. 7, notches 3'(3a ', 3b') has a L-shape. Notches leg member 6 of the holding member 7 3'even have such a shape, it is possible to obtain the effect of the present invention. Moving this time, the dimensions of the L-shape of the holding member 7 is made smaller than L-shaped notch 3, while a margin with respect to the longitudinal direction of the plate member 4 to the holding member 7 (in the left-right to while securing the space), the holding member 7 and the plate member 4 and (the mounting member 8) can be 篏合.
[0026]
　Other configurations as described above, notches in the reverse T-shape, the holding member may be one that forms an L-shape.
[0027]
　As described above, according to the present invention, it has been shown that it is possible to provide an elevator apparatus capable of receiving a tensile load in the configuration other than the bolt fastening.
[0028]
　The present invention is not limited to the embodiments described above, but includes various modifications. For example, the above embodiments are those described in detail for the purpose of better understanding of the present invention, not intended to be limited to those having the necessarily all described configurations. Further, it is possible to replace a part of the configuration of one embodiment the configuration of another embodiment, it is possible to add a configuration of an embodiment alternative embodiment to the configuration of. A part of the configuration of each embodiment may be added, deleted, or replaced for other configurations.
[0029]
　For example, as already mentioned, in the embodiment described above, an example in which a weight 20 balancing the structure pulley 1 is mounted, the present invention is not limited to this, the car and the hoistway such other structures it can also be applied when mounting the pulley obliquely.
DESCRIPTION OF SYMBOLS
[0030]
　1 ... pulley, 2, 2a, 2b ... counterweight frame, 20 ... counterweight, 3, 3a, 3b ... notch, 4 ... plate member, 5, 5a, 5b ... groove, 6, 6a, 6b ... leg member, 7, 7a, 7b ... holding member, 8 ... mounting member, 9 ... pulley axis, 10 ... elevator system, 11 ... elevator car, 12 ... hoist 13 ... sheave, 15 ... pulley, 16 ... The main rope, 17 ... hoistway, 18 ... bolt through-hole.

WE CLAIM

And hoistway provided structure, a pulley attached to said structure, and wound around the rope on the pulley, the elevator apparatus provided with a hoisting machine for driving the rope,
　the held so as to sandwich the pulley, a pair of holding members having a leg member to the end,
　provided at an end portion of said structure, a pair of grooves the leg member of said pair of holding members are篏合includes a mounting member having a,
　the mounting member is made of a plurality of plate members are stacked, each of said plate member, a pair of longitudinally aligned notches are provided, said plurality of Elevator apparatus outs each of the cutting plate member, wherein the plate member constitutes said pair of grooves by being disposed so as to be continuous in the stacking direction of the plate member.
[Requested item 2]
　Elevator device according to claim 1, characterized in that the cutout has an inverted T-shape.
[Requested item 3]
　Elevator apparatus according to claim 1, wherein the notch is characterized by having a L-shape.
[Requested item 4]
　
　When viewed from the side of the holding member, the elevator apparatus according to claim 1 or 2, characterized in that said holding member forms an inverted T-shape.
[Requested item 5]
　　When viewed from the side of the holding member, the elevator apparatus according to any one of claims 1 to 3 wherein the holding member is characterized in that to form an L-shape.
[Requested item 6]
　The notch has an inverted T-shape,
　when viewed from the side of the holding member, the holding member forms a reverse T shape,
　the inverted T-shape formed by the holding member, Elevator apparatus according to claim 1, wherein a is smaller than the inverted T-shape of the notch.
[Requested item 7]
　The cutout has a L-shape,
　when viewed from the side of the holding member, the holding member forms a L-shape,
　an L-shape formed by the holding member, away the cut Elevator apparatus according to claim 1, wherein less than L-shaped.