JP2008303070A - Elevator apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator apparatus capable of easily maintaining stable braking action by isolating a drive sheave and a brake of a hoist provided in an elevator shaft. <P>SOLUTION: A shaft 31 is erectly provided in a base 29 from a bottom surface 30 of the base 29 of a bowl shape opened at a side and a support plate 32 is provided across an open face of the base 29. The brake 38 is provided on the support plate 32 and a stator winding 34 is provided on an inner peripheral surface on an open face side of the base 29. A bowl-shaped rotor 35 is pivotally supported on the shaft 31, the drive sheave 27 is provided on an outer peripheral surface on a bottom surface side, an armature 36 is formed on an outer peripheral surface on an open side of the rotor 35 and a brake surface 37 corresponding to the brake 38 is formed on an inner peripheral surface opposed to the armature 36. This construction prevents a defect that rope oil of a main cable 12 splashed from the drive sheave 27 attaches to the brake surface 37 and the brake 38. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an elevator apparatus in which a main rope connecting a car and a counterweight is driven by a hoist installed in a hoistway.

  16 to 18 are views showing a conventional elevator apparatus disclosed in, for example, Japanese Patent Laid-Open No. 10-139321, FIG. 16 is a perspective view conceptually showing, FIG. 17 is a cross-sectional plan view of the main part of FIG. 18 is a longitudinal sectional view of the hoisting machine shown in FIG. In the figure, 1 is a hoistway, 2 is a car for raising and lowering a predetermined path in the hoistway 1, 3 is a counterweight for raising and lowering another predetermined path in the hoistway 1, and 4 is a hoisting machine. A driving sheave 6 disposed on the lower surface of the ceiling by a supporting member 5 provided at the upper portion and pivoted via a vertical axis is provided.

  7 is a first car pulley provided on one side of the lower part of the car 2, 8 is a second car pulley provided on the other side of the lower part of the car 2, and 9 is a counterweight provided on the upper part of the counterweight 3. A pulley 10 is pivotally attached to the upper part of the hoistway 1 via a horizontal axis and is arranged at a position corresponding to the car second pulley 8, and 11 is pivotally attached to the upper part of the hoistway 1 via the horizontal axis. This is a counterweight-side pulley arranged at a position corresponding to the counterweight pulley 9.

  Reference numeral 12 denotes a main rope, one end of which is connected to the upper portion of the hoistway 1 by a first rope stopper 13 disposed on the ceiling of the hoistway 1 corresponding to the car first pulley 7 and descends, and the first car pulley. 7 and the car second pulley 8 are wound up and lifted, wound around the car pulley 10 and stretched in the horizontal direction, wound around the driving sheave 6 and wound around the counterweight pulley 11. The other end is wound around the counterweight pulley 9 and lifted, and the other end is placed on the upper portion of the hoistway 1 by the second rope stop 14 arranged on the ceiling of the hoistway 1 corresponding to the counterweight pulley 9. It is connected.

  15 is a frame of the hoisting machine 4, 16 is a shaft that is pivotally supported by the frame 15, and 17 is a drive sheave 6 formed on the lower outer periphery. A rotating body 20 having a braking surface 18 formed on the inner periphery of the recess and an armature 19 formed on the outer periphery on the counter-drive sheave 6 side is provided on the frame 15 and arranged corresponding to the armature 19. A stator winding 21 is supported by the frame 15 and is a brake in which a brake 22 is arranged to face the braking surface 18.

  The conventional elevator apparatus is configured as described above, the hoisting machine 4 is energized, the driving sheave 6 rotates, and the car 2 and the counterweight 3 are moved up and down in opposite directions via the main rope 12. Further, the hoisting machine 4 is arranged at the upper part in the hoistway 1 so that the machine room provided independently is omitted, and the space for the elevator apparatus in the building is saved.

JP-A-10-139321

  In the conventional elevator apparatus as described above, the brake 21 supported by the frame 15 is disposed on the outer peripheral side of the driving sheave 6 in the frame 15 of the hoisting machine 4. For this reason, the rope oil of the main rope 12 scattered from the drive sheave 6 adheres to the brake 21, and the brake 21 is disposed close to the drive sheave 6, so that the inspection of the brake 21 is difficult. As a result, the reliability of the function of the brake 21 is impaired.

  The present invention has been made to solve such problems, and an object of the present invention is to provide an elevator apparatus that can easily maintain a stable braking action of a hoist provided in a hoistway. .

  In the elevator apparatus according to the present invention, a base having a bowl shape with an open surface formed on one side, a shaft standing in the base from the bottom surface of the base, and the open surface of the base are provided. A support plate mounted on the edge of the open surface, a brake provided on the support plate and operating outwardly with respect to the center of the shaft, and a stator formed on the inner peripheral surface of the base on the open surface side An electric machine in which a winding and a saddle shape with one side open are formed, the bottom side is pivotally supported by a shaft, a driving sheave is formed on the outer peripheral surface of the bottom side, and the stator winding is opposed to the outer peripheral surface on the open side A hoisting machine having a structure in which a driving sheave and a brake are isolated from each other is formed of a rotating body in which a child is formed and a braking surface corresponding to a brake is formed on an inner peripheral surface facing the armature .

  In the elevator apparatus according to the present invention, the separator is formed by the rotor itself between the bottom surface side and the open side of the bowl-shaped rotor.

  Further, in the elevator apparatus according to the present invention, the drive sheave is configured separately from the rotating body and attached to the rotating body, and is provided on one side of the rotating body, and the driving sheave on the driving sheave side of the rotating body. A separator is provided between the two brakes arranged corresponding to the vehicle to isolate the two.

  Moreover, in the elevator apparatus according to the present invention, the entrance / exit is provided on the side surface on one side to move up and down the predetermined path of the hoistway, and the counterweight disposed in the gap between the inner wall of the hoistway and the car A turning pulley pivotally attached to the upper end of the hoistway via a horizontal axis and provided corresponding to each of the car and the counterweight, and the hoistway with one side holding the car and the other side holding the counterweight And a main rope that is wound around the turning pulley and turned from the vertical direction to the horizontal direction on the counterweight side and the counterweight side. Then, the hoisting machine is mounted on the upper end of the hoistway corresponding to the side surface away from the entrance of the car and the driving sheave with the pivot axis arranged in the vertical direction is arranged on the upper side. The main rope between the turning pulleys is wound.

  Further, in the elevator apparatus according to the present invention, the hoisting machine in which the rotation axis of the driving sheave is inclined with respect to the vertical line and the edge corresponding to the counterweight of the base body of the hoisting machine is inclined downward. Is placed.

  Further, in the elevator apparatus according to the present invention, a fixed portion provided at one edge of the base, and one end pivotally attached to the fixed, and the other end is the other edge of the base. A support plate of the hoisting machine is constituted by a rotating part detachably fastened to the hoisting machine.

  Moreover, in the elevator apparatus which concerns on this invention, the rotary body of the winding machine which has an oil draining groove provided in the opening edge part end surface is provided.

  Further, in the elevator apparatus according to the present invention, the inspection apparatus is provided with a plurality of inspection holes that are arranged to face the rim surface of the drive sheave and that are separated from each other in the direction along the rim peripheral surface of the drive sheave. A hoisting machine is constituted by the substrate.

  The present invention relates to a base having a bowl shape having an open surface on one side, a shaft standing in the base from the bottom surface of the base, and an edge of the open surface provided across the open surface of the base A support plate mounted on the base plate, a brake provided on the support plate and operating outward with respect to the center of the shaft, a stator winding formed on the inner peripheral surface of the open surface side of the base, The bottom side is pivotally supported by the shaft, and the driving sheave is formed on the outer peripheral surface of the bottom side, and the armature facing the stator winding is formed on the outer peripheral surface of the open side A hoisting machine is provided which is composed of a rotating body having a braking surface corresponding to a brake formed on an inner peripheral surface facing the armature and which separates the drive sheave and the brake.

  As a result, the drive sheave formed on the outer peripheral surface on the bottom surface side of the rotating body is separated from the brake disposed on the rotating body and the braking surface formed on the inner peripheral surface on the open side of the rotating body. Therefore, the rope oil of the main rope scatters, and it is possible to prevent the trouble that adheres from the driving sheave to the brakes and braking surfaces provided on the inner side of the rotating body, and the function of the brakes is not impaired. There is an effect of facilitating maintenance of the stable braking action of the upper machine.

  Further, according to the present invention, a separator is formed by the rotary body itself between the bottom surface side and the open side of the rotary body having a bowl shape.

  Thus, the driving sheave formed on the outer peripheral surface on the bottom surface side of the rotating body, the brake disposed in the rotating body, and the braking surface formed on the inner peripheral surface on the open side of the rotating body are the rotating body itself. Isolated by the separator formed by. Therefore, the rope oil of the main rope is scattered and it is possible to prevent the trouble that adheres from the driving sheave to the brake and the braking surface provided inside the rotating body, and the function of the brake is not impaired. There is an effect of facilitating maintenance of the stable braking action of the upper machine.

  Further, the present invention is configured separately from the rotating body and attached to the rotating body, and corresponds to the driving sheave provided on one side of the rotating body and the driving sheave on the driving sheave side of the rotating body. A separator provided between both of the arranged brakes to isolate the two is provided.

  As a result, the driving sheave provided on one side of the rotating body and the brake disposed corresponding to the driving sheave on the driving sheave side of the rotating body are separated from the rotating body. Isolated by Therefore, the rope oil of the main rope is scattered and it is possible to prevent the trouble that adheres from the driving sheave to the brake and the braking surface provided inside the rotating body, and the function of the brake is not impaired. There is an effect of facilitating maintenance of the stable braking action of the upper machine.

  In addition, the present invention is provided with an entrance / exit on a side surface of one side to move up and down a predetermined path of the hoistway, a counterweight disposed in a space between the inner wall of the hoistway and the car, and an upper end of the hoistway It is pivotally attached to the part via a horizontal axis and is provided corresponding to each of the car and the counterweight, and is arranged in the hoistway with one side holding the car and the other side holding the counterweight. A main rope that is wound around a pulley and turned from the vertical direction to the horizontal direction on the side closer to the car and the side closer to the counterweight is provided to support the hoisting machine on the side away from the entrance of the car. The drive sheave that is mounted on the upper end of the hoistway and the pivot axis is arranged in the vertical direction is arranged with the upper side. The main rope between the turning pulleys is wound around the driving sheave.

As a result, the drive sheave formed on the outer peripheral surface on the bottom surface side of the rotating body is separated from the brake disposed on the rotating body and the braking surface formed on the inner peripheral surface on the open side of the rotating body. Therefore, the rope oil of the main rope scatters, and it is possible to prevent the trouble that adheres from the driving sheave to the brakes and braking surfaces provided on the inner side of the rotating body. There is an effect of facilitating maintenance of the stable braking action of the upper machine.
Also, since the hoisting machine is mounted with the driving sheave on the upper side, the lower surface of the hoisting machine should be placed close to the retraction surface of the car in the situation where the main rope is placed above the upper beam of the car. Can do. Therefore, the hoisting machine can be easily mounted on the hoistway formed at a height corresponding to the height of the top floor of the building, and the main rope can be easily stretched. Therefore, the construction cost required for the installation space of the elevator apparatus in the building is saved.

  Further, according to the present invention, the hoisting machine is arranged such that the rotational axis of the driving sheave is tilted with respect to the vertical line, and the edge corresponding to the counterweight of the hoisting machine base is tilted downward. It is.

  Accordingly, when the building beam protrudes at a position directly above the counterweight on the lower surface of the ceiling of the hoistway, the hoisting machine can be easily installed while avoiding the building beam. Therefore, it is not necessary to raise the ceiling lower surface of the hoistway, and there is an effect of reducing the construction cost required for the installation space for the elevator apparatus.

  The present invention also provides a support plate for a hoisting machine, a fixing portion provided at one edge of the base, and one end pivotally attached to the fixing portion, the other end being the other side of the base. And a rotating part that is detachably fastened to the edge part.

  Thereby, the fastening between the base body and the rotating part is released and the rotating part is rotated, and by a short vertical movement distance, and by a vertical movement of a relatively lightweight member having a brake as a main part, The brake can be easily opened. In this state, maintenance and inspection work for the brakes and the like can be performed, so that maintenance work for the brakes and the like can be easily performed, and the work efficiency can be improved.

  Further, according to the present invention, an oil drain groove is provided on an end face of the opening edge of the rotating body of the hoisting machine.

  As a result, the rope oil of the main rope is scattered by the drive sheave of the rotating body, the brake and the braking surface being separated by the separator, and the oil drain groove on the opening edge end surface of the rotating body, It is possible to more effectively prevent a problem that the drive sheave adheres to the brake and the like, and there is an effect of facilitating maintenance of a stable braking action of the hoisting machine without impairing the function of the brake.

  Further, the present invention is arranged so as to face the rim surface of the drive sheave, and is wound up by a base body having a plurality of inspection holes provided so as to penetrate each other in a direction along the rim peripheral surface of the drive sheave. The machine is configured.

  Accordingly, the state of the main rope wound around the driving sheave can be easily verified by the inspection hole, and the main rope can be easily dealt with. Therefore, there is an effect of improving work efficiency such as elevator installation and maintenance.

Embodiment 1 FIG.
1 to 10 are diagrams showing an example of an embodiment of the present invention. FIG. 1 is a conceptual front view, FIG. 2 is a side view of FIG. 1, and FIG. 4 is a perspective view corresponding to FIG. 3, FIG. 5 is an enlarged longitudinal sectional view of the hoisting machine of FIG. 1, FIG. 6 is a bottom view of FIG. 5, and FIG. FIG. 8, FIG. 8 is another enlarged longitudinal sectional view excluding the brake of the hoisting machine of FIG. 1, FIG. 9 is an enlarged perspective view of the hoisting machine of FIG. 1, and FIG. It is an expansion perspective view of a tool.

  In the figure, 1 is a hoistway, 2 is a car that elevates and lowers a predetermined path of the hoistway 1, an entrance 23 and an upper beam 24 are provided, and a retraction surface 25 in which a ceiling upper surface is lowered from the upper surface of the upper beam 24 is formed. Yes. Reference numeral 3 denotes a counterweight disposed in a space between the inner wall of the hoistway 1 and the car 2 on the horizontal projection plane.

  26 is a hoisting machine, which will be described in detail later, and is disposed at a position corresponding to the upper side of the side surface of the car 2 away from the entrance 23, that is, a position corresponding to the retraction surface 25 of the car 2, and is mounted on the lower surface of the ceiling of the hoistway 1 A driving sheave 27 pivoted via an axis along the vertical line is provided on the upper side.

  Reference numeral 7 denotes a car first pulley provided on one side of the lower part of the car 2, and 8 denotes a car second pulley provided on the other side of the lower part of the car 2. Reference numeral 9 denotes a counterweight pulley provided on the upper part of the counterweight 3, and 10 denotes a car side turning pulley, which is arranged in the space between the inner wall of the hoistway 1 and the car 2 on the horizontal projection plane, It is pivotally attached to the upper part via a horizontal axis, and is arranged at a position corresponding to the car second pulley 8.

  Reference numeral 11 denotes a counterweight-side turning pulley, which is disposed in the space between the inner wall of the hoistway 1 and the car 2 on the horizontal projection plane, and is pivotally attached to the upper portion of the hoistway 1 via a horizontal axis. 9 are arranged at corresponding positions. Reference numeral 28 denotes a shock absorber provided on the bottom surface of the hoistway 1 and arranged corresponding to the car 2 and the counterweight 3 respectively.

  Reference numeral 12 denotes a main rope, one end of which is connected to the upper part of the hoistway 1 by a first rope stop 13 arranged on the upper part of the hoistway 1 corresponding to the car first pulley 7 and descends. And it is wound around the car second pulley 8 and lifted, wound around the car-side turning pulley 10, stretched in the horizontal direction, wound around the drive sheave 27, and wound around the counterweight-side turning pulley 11. The other end is wound around the counterweight pulley 9 and lifted, and the other end is placed on the upper portion of the hoistway 1 by the second rope stopper 14 disposed on the upper portion of the hoistway 1 corresponding to the counterweight pulley 9. It is connected.

  Reference numeral 29 denotes a base body of the hoisting machine 26 having an open surface formed on one side, and an opening edge portion 290, a bottom surface 30, and an outlet 48 for the main rope 12 are formed. Reference numeral 31 denotes a shaft which is erected from the bottom surface 30 of the base body 29 through the flange portion 49 of the shaft 31 in the base body 29. Reference numeral 32 denotes a support plate, which is provided with a bolt which is provided with a longitudinal length across the open surface of the base 29 and whose both end portions are respectively disposed on the opening edge portion 290 and is inserted into the opening edge portion 290 and screwed into the support plate 32. Fastened to the base 29 by means of a tool 33.

  Reference numeral 34 denotes a stator winding provided on the inner peripheral surface of the base 29 on the opening edge 290 side, and 35 denotes a rotating body. The rotating body has a hook shape with one side open, and the bottom side is pivotally supported by the shaft 31. The driving sheave 27 described above is formed on the outer peripheral surface on the side, the armature 36 facing the stator winding 34 is formed on the outer peripheral surface on the open side, and the braking surface 37 on the inner peripheral surface opposite to the armature 36. Is formed.

  A brake 38 is an electromagnetic brake provided on the support plate 32 and disposed in the rotating body 35. One end of the brake arm 40 is pivotally supported by the support plate 32 by a support pin 39, and both ends of the support plate 32 and the brake. A brake spring 41 connected to the rotating end of the arm 40, a brake piece 42 made of a brake shoe disposed near the support pin 39 of the brake arm 40 and facing the braking surface 37, and a screw rod inserted through the brake arm 40 And an electromagnet mechanism provided on the support plate 32 and the support plate 32 and connected to the longitudinal middle of the brake arm 40 by a connecting pin 45. 46.

Reference numeral 47 denotes a fastener, which includes a nut that fastens the support plate 32 and the shaft 31.
In addition, the brake 38 is comprised by the brake arm 40, the brake spring 41, the brake piece 42, the electromagnet mechanism 46, etc., and is each arrange | positioned in the symmetrical position of the both sides centering on the axis | shaft 31.

  50 is an oil drain groove provided on the end face of the opening edge of the rotating body 35, 51 is an inspection hole provided through the base 29, and is disposed to face the rim surface of the drive sheave 27, A plurality of them are arranged apart from each other in the direction along the rim circumferential surface of the drive sheave 27.

  52 is a main rope stopper that is fitted in the inspection hole 51, a fastening portion 53 is formed on one side and fastened to the edge of the inspection hole 51 by a mounting screw 54, and a facing surface 55 is formed on the other side. Thus, a small gap is formed between the main rope 12 and the main rope 12 wound around the drive sheave 27 so as to face each other.

  Reference numeral 56 denotes a separator, which is also formed as a part of the rotating body 35, and is a control member disposed in the rotating body 35 with respect to the drive sheave 27 formed on the outer peripheral surface on the bottom surface side of the rotating body 35. The braking surface 37 formed on the inner peripheral surface on the open side of the motivation 38 and the rotating body 35 is isolated.

  In the elevator apparatus configured as described above, the hoisting machine 26 is energized and the driving sheave 27 rotates, and the car 2 and the counterweight 3 are lifted and lowered in opposite directions via the main rope 12. Further, the hoisting machine 26 is attached to the upper end portion of the hoistway 1, and the driving sheave 27 is disposed at a position facing the car-side turning pulley 10 and the counterweight-side turning pulley 11.

  Further, the hoisting machine 26 is provided at a position corresponding to the upper side of the side surface of the car 2 away from the doorway 23, that is, a position corresponding to the retreating surface 25 of the car 2. Furthermore, the car-side turning pulley 10 and the counterweight-side turning pulley 11 are arranged in the gap between the edge of the car 2 and the inner wall of the hoistway 1.

  In this way, the drive sheave 27 is provided on the upper side of the hoisting machine 26, and the main rope 12 near the drive sheave 27 is stretched horizontally with respect to the drive sheave 27. For this reason, the lower surface of the hoisting machine 26 can be disposed close to the retraction surface 25 of the car 2 in a state where the main rope 12 is disposed above the upper beam 24 of the car 2. Therefore, the hoisting machine 26 can be easily mounted on the hoistway 1 formed at a height corresponding to the height of the uppermost floor (not shown) in the building, and the main rope 12 can be easily stretched.

  Therefore, it is not necessary to make the ceiling lower surface of the hoistway 1 higher than the uppermost floor height in the building, and the construction cost required for the installation space for the elevator apparatus can be reduced. Moreover, since the height of a building can be lowered | hung with such an effect | action, the malfunction which impairs the neighboring sunshine right can be eliminated.

  An oil drain groove 50 is provided on the end face of the opening edge of the rotator 35. In addition, the separator 56 formed also as a part of the rotating body 35 is used to control the drive sheave 27 formed on the outer peripheral surface on the bottom surface side of the rotating body 35 with respect to the driving sheave 27. The braking surface 37 formed on the inner peripheral surface on the open side of the motivation 38 and the rotating body 35 is isolated.

  Accordingly, it is possible to prevent a problem that the rope oil of the main rope 12 scatters and adheres to the brake 38 and the braking surface 37 provided inside the rotating body 35 from the drive sheave 27. Thereby, the function of the brake 38 is not impaired, and a stable braking action can be easily maintained.

  Further, since the inspection hole 51 penetrating the base 29 is provided, the state of the main rope 12 wound around the drive sheave 27 can be easily verified from the inspection hole 51. For this reason, the malfunction of the main rope 12 can be dealt with easily, and work efficiency, such as installation and maintenance of an elevator, can be improved.

Embodiment 2. FIG.
11 and 12 are views showing an example of another embodiment of the present invention. FIG. 11 is a bottom view of the hoisting machine corresponding to FIG. 6 described above, and FIG. 12 is the hoisting machine of FIG. It is a side view which shows the condition where it installed and the brake location was open | released. In addition to FIG.11 and FIG.12, the elevator apparatus is comprised similarly to embodiment of the above-mentioned FIGS. 1-10. In the figure, the same reference numerals as those in FIGS.

  Reference numeral 57 denotes a support plate, which includes a fixed portion 58 and a rotating portion 59. The fixed portion 58 forms one longitudinal side, is disposed on the opening edge portion 290 of the base 29, and is inserted into the opening edge portion 290 for support. The base plate 29 is fixedly fastened by a fastener 33 made of a bolt screwed into the plate 57.

  The rotating portion 59 forms the other side of the longitudinal length of the support plate 57 and is provided across the open surface of the base 29. One end is pivotally attached to the fixing portion 58 by the hinge 60, and the other end is the opening edge portion 290. And is detachably fastened to the base 29 by a fastener 33 made of a bolt inserted into the opening edge 290 and screwed into the support plate 57.

  Also in the elevator hoisting machine configured as described above, the driving sheave 27 is provided on the upper side of the hoisting machine 26. In addition, the separator 56 formed as a part of the rotating body 35 is used to control the driving sheave 27 formed on the outer peripheral surface on the bottom surface side of the rotating body 35 with respect to the driving sheave 27. The braking surface 37 formed on the inner peripheral surface on the open side of the motivation 38 and the rotating body 35 is isolated. Therefore, although detailed description is omitted, the same operation as that of the embodiment of FIGS. 1 to 10 can be obtained also in the embodiment of FIGS.

  Further, in the embodiment of FIGS. 11 and 12, the rotating portion 59 of the support plate 57 to which the brake 38 is mounted is pivotally attached to the fixing portion 58 by the hinge 60 at a position corresponding to the opening edge portion 290 of the base 29. ing. In this configuration, when the fastening of the fasteners 33 and 47 with the base body 29 is released and the turning portion 59 is turned as shown in FIG. The brake 38 can be easily opened by moving the relatively light member in the vertical direction, and maintenance and inspection work of the brake 38 and the like is performed in this state. Therefore, maintenance work of the brake 38 and the like can be easily performed and work efficiency can be improved.

Embodiment 3 FIG.
FIG. 13 and FIG. 14 are also diagrams showing an example of another embodiment of the present invention. FIG. 13 is a diagram conceptually showing FIG. 1 and FIG. 14 is a cross-sectional plan view of the main part of FIG. FIG. Except for FIGS. 13 and 14, the elevator apparatus is configured in the same manner as the above-described embodiments of FIGS. 1 to 10. In the figure, the same reference numerals as those in FIGS.

  A hoisting machine 26 is disposed at a position corresponding to the upper side of the side surface of the car 2 away from the entrance / exit 23, that is, a position corresponding to the retraction surface 25 of the car 2, and is mounted on the lower surface of the ceiling of the hoistway 1. The rotational axis of the drive sheave 27 is inclined with respect to the vertical line, and the edge of the base 29 of the hoisting machine 26 corresponding to the counterweight 3 is inclined downward.

  Also in the elevator hoisting machine configured as described above, the driving sheave 27 is provided on the upper side of the hoisting machine 26. In addition, the separator 56 formed as a part of the rotating body 35 is used to control the driving sheave 27 formed on the outer peripheral surface on the bottom surface side of the rotating body 35 with respect to the driving sheave 27. The braking surface 37 formed on the inner peripheral surface on the open side of the motivation 38 and the rotating body 35 is isolated. Therefore, although detailed description is omitted, the same operation as that of the embodiment of FIGS. 1 to 10 can be obtained also in the embodiment of FIGS.

  In the embodiment shown in FIGS. 13 and 14, the hoisting machine 26 is arranged such that the edge corresponding to the counterweight 3 is inclined downward with respect to the horizontal position. Accordingly, when the building beam 1a shown in FIG. 13 protrudes at a position directly above the counterweight 3 on the lower surface of the ceiling of the hoistway 1, the hoisting machine 26 can be easily installed while avoiding the building beam 1a. . Therefore, it is not necessary to raise the ceiling lower surface of the hoistway 1, and the construction cost required for the installation space for the elevator apparatus can be reduced.

Embodiment 4 FIG.
FIG. 15 is a view showing an example of another embodiment of the present invention, and is an enlarged longitudinal sectional view of the hoisting machine. In addition, the elevator apparatus is comprised similarly to embodiment of the above-mentioned FIGS. 1-10 other than FIG. In the figure, the same reference numerals as those in FIGS.

  Reference numeral 61 denotes a hoisting machine, a frame 62, a shaft 63 pivotally supported by the frame 62, and a driving sheave 27 formed on the upper outer periphery, and an inner periphery of an upward recess corresponding to the driving sheave 27 A braking surface 37 formed on the outer periphery, a rotating body 64 having an armature 36 formed on the outer periphery on the side opposite to the driving sheave 27, and a stator winding 34 provided in the frame 62 and arranged corresponding to the armature 36. The brake element 65 provided on the frame 62 is provided near the upper side of the brake 66 and the rotating body 64 arranged to face the braking surface 37 and is arranged between the driving sheave 27 and the brake 66 and is controlled. A separator 67 that covers the motive 66 is provided.

  Also in the elevator hoisting machine configured as described above, the drive sheave 27 is provided on the upper side of the hoisting machine 61. In addition, a drive sheave 27 formed on the upper outer peripheral surface of the rotating body 64 by the separator 67, a brake 66 disposed in the rotating body 64, and a braking surface 37 formed on the inner peripheral surface of the rotating body 64. And is isolated. Therefore, although the detailed description is omitted, the same operation as that of the embodiment of FIGS. 1 to 10 can be obtained also in the embodiment of FIGS.

BRIEF DESCRIPTION OF THE DRAWINGS The conceptual front view which shows Embodiment 1 of this invention. The side view of FIG. The principal part cross-sectional top view of FIG. FIG. 4 is a perspective view corresponding to FIG. 3. The expanded longitudinal cross-sectional view of the winding machine of FIG. FIG. 6 is a bottom view of FIG. 5. The top view of the brake of the hoisting machine of FIG. The other expanded longitudinal cross-sectional view which excludes and shows the brake of the hoisting machine of FIG. The expansion perspective view of the winding machine of FIG. FIG. 9 is an enlarged perspective view of the main rope stopper in FIG. 8. It is a bottom view of the winding machine which shows Embodiment 2 of this invention, and is the above-mentioned figure equivalent to FIG. The side view which shows the condition where the winding machine of FIG. 11 was installed and the brake location was opened. FIG. 3 is a conceptual front view showing Embodiment 3 of the present invention, and is equivalent to FIG. 1 described above. FIG. 14 is a cross-sectional plan view of the main part of FIG. 13. The expanded longitudinal cross-sectional view of the winding machine which shows Embodiment 4 of this invention. The conceptual perspective view which shows the conventional elevator apparatus. The principal part cross-sectional top view of FIG. The longitudinal cross-sectional view of the winding machine of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Hoistway, 2 cages, 3 counterweight, 10 cage side turning pulley, 11 counterweight side turning pulley, 12 main rope, 23 doorway, 26 hoisting machine, 27 drive sheave, 29 base, 290 opening edge , 30 bottom surface, 31 shaft, 32 support plate, 34 stator winding, 35 rotating body, 36 armature, 37 braking surface, 38 brake, 50 oil drain groove, 51 inspection hole, 56 separator, 57 support plate, 58 fixing parts, 59 rotating parts, 64 rotating bodies, 67 separators.

Claims (8)

  A base having a bowl shape with an open surface formed on one side, a shaft erected in the base from the bottom surface of the base, and provided across the open surface of the base to the edge of the open surface A mounted support plate, a brake provided on the support plate and operating outward with respect to the center of the shaft, a stator winding formed on the inner peripheral surface of the open surface side of the base, An armature that has a bowl shape with one side open, the bottom side is pivotally supported by the shaft, a driving sheave is formed on the outer peripheral surface of the bottom side, and the outer peripheral surface of the open side faces the stator winding And a hoisting machine having a structure in which the driving sheave and the brake are separated from each other, the rotating body having a braking surface corresponding to the brake on the inner peripheral surface facing the armature. Elevator equipment.   The elevator apparatus according to claim 1, further comprising a separator formed by the rotary body itself between a bottom surface side and an open side of the rotary body having a bowl shape.   A drive sheave that is separate from the rotator and is attached to the rotator, provided on one side of the rotator, and a brake disposed on the one side of the rotator corresponding to the drive sheave The elevator apparatus according to claim 1, further comprising a separator provided between the two and separating the two.   A doorway is provided on a side surface of one side to move up and down a predetermined path of the hoistway, a counterweight disposed in a space between the inner wall of the hoistway and the car, and an upper end of the hoistway A turning pulley that is pivotally attached via an axis and is provided corresponding to each of the car and the counterweight, and one side holds the car and the other side holds the counterweight in the hoistway. And a main rope that is wound around the turning pulley and turned from the vertical direction to the horizontal direction on the side closer to the car and the side closer to the counterweight. A driving sheave mounted on the upper end of the hoistway corresponding to the side surface away from the entrance and exiting with the pivot axis disposed vertically is disposed on the upper side, and the driving sheave is connected to the turning sheave between the turning sheaves. The elevator according to claim 1, wherein a main rope is wound around the elevator. Coater apparatus.   5. The hoisting machine is arranged such that the axis of rotation of the driving sheave is inclined with respect to the vertical line, and the edge of the base of the hoisting machine corresponding to the counterweight is inclined downward. The elevator device described.   The supporting plate of the hoisting machine has a fixed portion provided on one edge of the base, and one end pivoted to the fixed portion, and the other end is attached to and detached from the other edge of the base. The elevator apparatus according to any one of claims 4 and 5, wherein the elevator apparatus is configured by a freely rotating part.   The elevator apparatus according to any one of claims 4 and 5, wherein the rotary body of the hoisting machine has an oil drain groove provided on an end face of the opening edge.   The hoisting machine is configured by a base body that is arranged to face the rim surface of the driving sheave and that has a plurality of inspection holes that are provided to penetrate each other in a direction along the rim circumferential surface of the driving sheave. The elevator apparatus as described in any one of Claim 4 and Claim 5 characterized by the above-mentioned.

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