JP5805508B2 - Elevator equipment - Google Patents

Description

  The present invention relates to a machine room-less elevator apparatus in which a counterweight and a hoisting machine are arranged on the back side of a car.

  As a conventional elevator device, a car is arranged so that it can be raised and lowered along a guide rail for a car standing in the hoistway, and a rear side space formed between the rear side of the car and the hoistway wall In addition, there is known a machine room-less elevator device in which a counterweight that can be moved up and down along a guide rail for a weight and a hoisting machine that drives a main rope on which a car and a counterweight are suspended are arranged. In this type of elevator apparatus, a hoisting machine is disposed in the back side space (see, for example, Patent Document 1), or on the projection surface of the counter weight in the back side space, and interferes with the counter weight. There is known an arrangement in which a hoisting machine is disposed in an upper part without a gap (for example, see Patent Document 2).

JP 2007-297209 A Japanese Patent Laid-Open No. 7-10434

  However, in the conventional elevator apparatus including the above-mentioned patent document, the arrangement of the control panel for controlling the motor of the hoisting machine in the machine room-less elevator in which the counterweight is arranged in the back space portion formed on the back side of the car. Therefore, if the control panel is placed in the mere remaining space in the hoistway without enlarging the hoistway, the motor and the control board will be placed separately, and the wiring between the two It becomes long, and it is necessary to repeatedly move between the motor and the control panel for wiring work or maintenance work, which makes the work troublesome. On the other hand, if the position of the control panel is determined only from the viewpoint of workability, the hoistway is enlarged for the arrangement.

  An object of the present invention is to provide an elevator apparatus that facilitates the wiring work and maintenance work of an electric motor and a control panel, and that enables downsizing of a hoistway.

In order to achieve the above object, the present invention provides a pair of car guide rails erected in a hoistway, a car that can be raised and lowered while being guided by the car guide rail, the back side of the car, A pair of counterweight guide rails standing in the space on the back side formed between the walls of the hoistway, a counterweight that can be raised and lowered while being guided by the counterweight guide rail, and rotatable to the lower part of the car A pair of car pulleys pivotally supported on the main rope, a main rope roping to suspend the counterweight and the car via the car pulley, and the main rope wound around the back side space portion In an elevator apparatus comprising a hoisting machine having a drive sheave and a control panel for controlling the hoisting machine, it is formed between the hoistway wall and the side of the car. A pair of top pulleys arranged in the upper part of the rear side space part at a position close to the side space part and juxtaposed to the side space part so as to be pivotally supported by the upper part thereof; A return pulley that is rotatably supported and is located at a lower portion between the drive sheave of the hoisting machine and one of the top pulleys, and the main rope passes through the pulley for the car The control panel has a portion that is hung on the pair of top pulleys, guided downward, and wound around the drive sheave through the return pulley, and the control panel is below the pair of top pulleys and the pair of top portions. It is fixedly provided in a region formed between the opposed portions of the main rope of the portion led downward by hanging on the pulley, and the hoisting machine is arranged close to the side space portion in the back side space portion, Almost parallel to the wall of the hoistway in the lateral space A virtual vertical plane, as well as arranging the said flashing pulley and said pair of top pulley, the control board arranged close to the pair of the top pulley, and placing the flashing pulleys lower than the control board It is characterized by that.

According to the above configuration, the control panel is arranged in the space that is actively formed in the lower portion of the top pulley so as to effectively use the space, so that it is formed between the side of the car and the hoistway wall. The width of the side space can be reduced, and an elevator apparatus with a reduced cross-sectional area of the hoistway can be obtained. Compared to the case where the control panel is arranged in the lower part of the hoistway etc., the hoisting machine and the control panel can be arranged close to each other, so that wiring work and maintenance work between them can be easily performed without much movement. Can be done. Further, according to the above configuration, the configuration in the left side space portion can be further simplified, and the width direction of the top pulley and the return pulley arranged in the side space portion can be reduced, and the Since the hoisting machine can be disposed close to the virtual vertical plane, the elevator apparatus can be made smaller in the side space and the hoistway can be made smaller.

  In addition to the above-described configuration, the present invention is characterized in that a part of the hoisting machine is disposed on the projection surface of the counterweight disposed in the back space portion.

  According to the above configuration, since the counterweight pulley provided on the counterweight and the return pulley can be arranged close to each other, the main rope can be interposed between the two pulleys without installing an auxiliary pulley or the like between the two pulleys. It is possible to provide an elevator apparatus that has a simple structure by directly applying.

  Furthermore, the present invention is characterized in that, in addition to the above-described configuration, a part of the hoisting machine is arranged on the projection surface of the car.

  According to the above configuration, since the drive sheave of the hoisting machine and the return pulley can be arranged close to each other, the main rope is directly hung between the two without installing an auxiliary pulley or the like between them. It can be set as the simplified elevator apparatus.

  As described above, according to the elevator apparatus of the present invention, since the control panel is arranged in the space actively formed in the lower part of the top pulley for effective use of the space, the side of the car and the hoistway The width of the side space formed between the walls can be reduced, and an elevator apparatus with a reduced cross-sectional area of the hoistway can be obtained. Compared to the case where the control panel is arranged in the lower part of the hoistway etc., the hoisting machine and the control panel can be arranged close to each other, so that wiring work and maintenance work between them can be easily performed without much movement. Can be done.

1 is a plan view of an elevator apparatus according to an embodiment of the present invention. It is the side view seen from the arrow A direction of the elevator apparatus shown in FIG. It is the side view seen from the arrow B direction of the elevator apparatus shown in FIG. It is a top view of the elevator apparatus by other embodiment of this invention. It is a top view of the elevator apparatus by further another embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a plan view of a hoistway in an elevator apparatus, and guides to a pair of car guide rails 5 and 6 attached using rail brackets 3 and 4 fixed to an inner side of a hoistway wall 2 constituting the hoistway 1. The elevator 7 is guided and lifted by a pair of weight guide rails 10 and 11 attached using a rail car 8 and 9 fixed to the inside of the hoistway wall 2 at the back of the car 7 and the back of the car 7. A main rope 15 in which the cage 7 and the counterweight 12 are suspended at an intermediate portion while fixing the counterweight 12 and the rope end portions 13 and 14 at both ends, and a cage that is wrapped around the intermediate portion of the main rope 15. 7 and a hoisting machine 16 supported and fixed to the hoistway wall 2 so as to drive the hoisting weight 12 and a control panel connected to the hoistway wall 2 and connected to the hoistway wall 2 so as to control the hoisting machine 16. 1 Elevator is configured with and.

  A right side space portion, a left side space portion, and a back side space portion are formed between both side surfaces and the rear side of the car 7 and the hoistway wall 2 in order to arrange other components. ing. In the right side space formed between the hoistway wall 2 and the right side of the car 7, the rope end 13 of the main rope 15 is fixed at the upper part not interfering with the car guide rail 5, In the back side space formed between the road wall 2 and the back side of the car 7, a pair of weight guide rails 10 and 11, a counterweight 12 and an upper portion that does not interfere with the weight guide rails 10 and 11. The other rope end part 14 fixed to the part is arranged.

  A car pulley 18 is rotatably supported at the bottom of the car 7 located below the rope end portion 13 so as to avoid a position where it interferes with the car guide rail 5. Similarly, the car guide rail 6 Another car pulley 19 is rotatably supported at a position where it does not interfere, and the car pulley 18 and the car pulley 19 are arranged to face each other so as to rotate on substantially the same straight line.

  Further, the left side space formed between the left side of the car 7 located on the car pulley 19 side and the hoistway wall 2 can be rotated at a distance so as not to buffer each other at the upper part thereof. A pair of apex pulleys 20 and 21 arranged side by side, and a return pulley 22 rotatably provided in a lower part between the one apex pulley 21 and the hoisting machine 16, are provided on the inner surface of the hoistway wall 2. Each of them is rotatably supported by parallel virtual vertical surfaces.

  A hoisting machine 16 disposed in a rear side space formed between the hoistway wall 2 and the rear side of the car 7 includes a driving sheave 23 around which the main rope 15 is wound, and an electric motor that rotationally drives the driving sheave 23. 24, and the electric motor 24 is arranged toward the hoistway wall 2 side so that the drive sheave 23 is positioned above the return pulley 22. A counterweight pulley 25 for hanging the main rope 15 is rotatably provided above the counterweight 12. The counterweight pulley 25 and the drive sheave 23 are connected to the hoistway wall 2 in the rear space portion. It is desirable to be positioned on a virtual vertical plane that is substantially parallel to the inner wall surface, but here, the counterweight pulley 25 is somewhat closer to the inner wall surface side of the hoistway wall 2 than the drive sheave 23. The size of the car 7 in the depth direction is reduced.

  The main rope 15 having one end fixed by the rope end portion 13 hangs down the space on the right side of the car 7 and then passes through a car pulley 18 and a car pulley 19 provided at the lower part of the car 7, and the car 7 The left side space of the car 7 is passed through the pair of top pulleys 20, 21, and again suspended from the left side space of the car 7, and then pulled up through the return pulley 22, and the rear side of the car 7 After being wound around the drive sheave 23 of the hoisting machine 16, the other end is fixed at the rope end portion 14 by roping that is passed through the counterweight pulley 25 of the counterweight 12 and pulled upward.

  Next, a specific configuration of the back side space formed on the back side of the car 7 will be further described with reference to FIG. 2 which is a side view seen from the arrow A side in FIG. The weight guide rails 10 and 11 or the car guide rails 5 and 6 provided in the vicinity of the weight guide rails 10 and 11 are positioned at the top of the hoistway 1 and do not interfere with the car 7 and the counterweight 12. The top beam 26 is fixed in shape. The hoisting machine 16 is mounted on the top beam 26, and the rope end portion 14 is fixed to a balance weight side top beam 27 located above the counterweight 12 in the top beam 26. As described above, in the left side space of the car 7, by arranging the top pulleys 20 and 21 and the return pulley 22 on substantially the same virtual vertical plane, while arranging a plurality of pulleys, The illustrated dimension in the width direction can be reduced.

  Further, the hoisting machine 16 disposed in the rear side space portion is disposed close to the left side space portion side in the rear side space portion so as not to increase the widthwise dimension of the left side space portion, and the drive sheave 23 is arranged at the top as much as possible. The pulleys 20 and 21 and the return pulley 22 are close to the virtual vertical plane. Further, in the upper part of the counterweight 12, the hoisting machine 16 is disposed at a position where the counterweight 12 does not interfere even when the counterweight 12 is located at the uppermost part in the hoistway 1. That is, in the plan view of FIG. A part of the hoisting machine 16 is positioned within the 12 projection planes, and this also reduces the width direction dimension of the left side space.

  With such a configuration, the main rope 15 between the return pulley 22 and the drive sheave 23 can be disposed close to the virtual vertical plane on which the return pulley 22 is disposed, and between the drive sheave 23 and the counterweight pulley 25. The main rope 15 between the drive sheave 23 and the counterweight pulley 25 is slightly inclined without disposing another pulley between the drive sheave 23 and the counterweight pulley 25. Can be hung directly.

  Next, a specific configuration of the left side space formed on the left side of the car 7 will be further described with reference to FIG. 3 which is a side view seen from the arrow B side in FIG. Support members 29 and 30 are fixed to the car-side top beam 28 of the portion of the top beam 26 fixed to the car guide rail 6 and the weight guide rail 11, and the top pulleys 20 and 21 are attached to the support members 29 and 30. It is pivotally supported. The pair of top pulleys 20 and 21 are juxtaposed at substantially the same level, and a car pulley 19 is disposed below the outside of one top pulley 20, and the hoistway 1 is disposed below the outside of the other top pulley 21. A return pulley 22 pivotally supported by a support base 31 fixed near the top floor level is arranged. The support 31 is fixed to a weight guide rail 11 located in the vicinity.

  The main rope 15 located between the top pulley 20 and the car pulley 19 is vertical, and the main rope 15 located between the top pulley 21 and the return pulley 22 is also substantially vertical, and between the folded main ropes 15 of the same part. A predetermined width determined by the pair of top pulleys 20 and 21 is formed. Since this predetermined width uses the pair of top pulleys 20 and 21, it is wider than when only one of them is used. The control panel 17 is arranged using the widened portion between the folded main ropes 15 and using the space formed in the lower part of the pair of top pulleys 20 and 21. For example, the control panel 17 fixes support members 32 and 33 to the car guide rail 6 and holds and fixes the support members 32 and 33 at the positions described above.

  The above-described pair of top pulleys 20 and 21 are juxtaposed at substantially the same level, but the present invention is not limited to this, and may be arranged with a slight vertical relationship. A space having a size capable of arranging the control panel 17 is formed in a portion surrounded by the main rope 15 located below the 20, 21 and outside thereof.

  The space formed in the lower part of the top pulleys 20 and 21 in this way is not only a space for preventing interference between the main rope 15 in the same part and other equipment, but also as a space for arranging the control panel 17. Therefore, the thickness direction of the control panel 17, that is, the width direction of the hoistway 1 in FIG. 1 can be reduced. In addition, since the control panel 17 can be arranged closer to the hoisting machine 16 than when the control panel 17 is arranged in the lower part of the hoistway 1, the control panel 17 includes devices for controlling power feeding to the electric motor 24 of the hoisting machine 16. Wiring connecting between the control panel 17 and the electric motor 24 can be shortened, and noise such as noise that may be mixed through the wiring can be reduced or the cost can be reduced.

  Further, since the control panel 17 is disposed below the pair of top pulleys 20 and 21, the distance between the juxtaposed top pulleys 20 and 21 can be easily adjusted, so that the control panel 17 is positioned on both sides of the control panel 17. It is possible to prevent the main rope 15 of the portion from interfering with the control panel 17. In addition, with the above-described configuration, when the control panel 17 is disposed in the lower part close to the top pulleys 20 and 21, it can be disposed on the uppermost floor level of the hoistway 1. 7, maintenance of the control panel 17 can be easily performed. Moreover, since the hoisting machine 16 and the control panel 17 are close to each other, the maintenance staff climbing on the car 7 can shorten the distance traveled on the car 7 for maintenance work of both. Thus, maintainability can be further improved.

  According to the elevator apparatus according to the present embodiment described above, the hoisting machine is disposed above the rear side space portion located near the side space portion formed between the hoistway wall 2 and the side of the car 7. 16 and a pair of top pulleys 20 and 21 that are arranged in the same lateral space so as to be pivotally supported at the upper part thereof, and a drive sheave 23 of the hoist 16 and one top pulley 21. A return pulley 22 pivotally supported at a lower portion is provided between the main rope 15 and a main pulley 15 which is raised via a car pulley 19 and hung on a pair of top pulleys 20 and 21 and guided downward. The control panel 17 has a portion of the main rope 15 that is led under the pair of top pulleys 20, 21 and under the pair of top pulleys 20, 21. Fixed to the area formed between the opposing parts Thus, the control panel 17 is arranged in the lower space of the top pulleys 20 and 21 so as to effectively use the space. Therefore, the left side space portion formed between the side portion of the car 7 and the hoistway wall 2 is formed. The elevator can be made smaller, and the hoistway cross-sectional area can be reduced, and the hoisting machine 16 and the control panel 17 are closer to each other than when the control panel 17 is arranged at the lower part of the hoistway. Since it can arrange | position, wiring work and maintenance work between both can be performed easily, without moving too much.

  In addition, the hoisting machine 16 is disposed in the upper space in the rear side space formed between the hoistway wall 2 and the rear side of the car 7, and between the hoistway wall 2 and the left side of the car 7. By arranging the hoisting machine 16 in the vicinity of the virtual vertical plane on which the top pulleys 20 and 21 are arranged in the left side space formed on the left side space, the configuration in the left side space can be further simplified and the side Since the width direction of the top pulleys 20 and 21 and the return pulley 22 arranged in the side space can be reduced, and the hoisting machine 16 can be arranged close to the virtual vertical plane, the side It can be set as the elevator apparatus which made the hoistway small by making space part still smaller.

  Further, a hoisting machine 16 is disposed in an upper portion of the back side space portion formed between the hoistway wall 2 and the back side of the car 7 so as not to interfere with the counterweight 12, and the counterweight The virtual machine which arrange | positioned the top pulleys 20 and 21 in the left side space part formed so that a part of the winding machine 16 may be located in 12 projection planes, and between the left surface side of the car 7 and the hoistway wall 2 was arrange | positioned. Since the hoisting machine 16 is arranged close to the vertical plane, the counterweight pulley 25 provided on the counterweight 12 and the return pulley 22 can be arranged close to each other, Thus, the main rope 15 can be directly hung between the pulleys 22 and 25 without installing an auxiliary pulley or the like, thereby providing an elevator apparatus with a simplified configuration. In particular, the space on the back side can be provided when the size of the car 7 is increased and the weight of the car 7 is increased due to optional specifications, and the distance between the pair of weight guide rails 10 and 11 for guiding the counterweight 12 is provided. The weight required for the counterweight 12 can be easily secured in accordance with the car 7.

  FIG. 4 is a plan view showing an elevator apparatus according to another embodiment of the present invention. The same parts as those in the embodiment shown in FIG. To do. Here, the hoisting machine 16 is arranged in the same position by changing the direction, and the driving sheave 23 is arranged facing the hoistway wall 2 side.

  According to such a configuration, the electric motor 24 of the hoisting machine 16 is located above the return pulley 22 and partly located in the projection surface of the return pulley 22, so that it is raised from the return pulley 22. The main rope 15 can be easily wound around the drive sheave 23. Further, the main rope 15 between the counterweight pulley 25 disposed on the counterweight 12 and the drive sheave 23 can be hung without being inclined too much.

  FIG. 5 is a plan view showing an elevator apparatus according to another embodiment of the present invention. The same parts as those in the embodiment shown in FIG. To do. Here, the hoisting machine 16 is arranged in a different direction, and the driving sheave 23 is arranged facing the hoistway wall 2 side, is located above the car 7, and is disposed on the car 7. The hoistway wall 2 is arranged somewhat apart from the hoistway wall 2 so that a part thereof is located in the projection plane.

  According to such a configuration, the drive sheave 23 of the hoisting machine 16 can be placed at substantially the same position as that shown in FIG. 1, and the drive sheave 23 and the return pulley 22 can be arranged close to each other. Therefore, the main rope 15 raised from the return pulley 22 can be easily wound directly on the drive sheave 23 to simplify the configuration. Further, the main rope 15 between the counterweight pulley 25 arranged on the upper portion of the counterweight 12 and the drive sheave 23 can also be directly hung without being inclined so much as in the case shown in FIG. Can be simple. Further, depending on the position of the hoisting machine 16 at this time, the electric motor 24 can be disposed closer to the control panel 17, and the control panel 17 includes devices for controlling the power supply to the electric motor 24. Wiring between the motor 24 and the motor 24 is shortened, and wiring work and maintenance work from the car 7 can be further facilitated.

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Hoistway wall 3 Rail bracket 4 Rail bracket 5 Car guide rail 6 Car guide rail 7 Car cage 8 Rail bracket 9 Rail bracket 10 Weight guide rail 11 Weight guide rail 12 Balance weight 13 Rope end part 14 Rope end portion 15 Main rope 16 Hoisting machine 17 Control panel 18 Car pulley 19 Car pulley 20 Top pulley 21 Top pulley 22 Return pulley 23 Drive sheave 24 Electric motor 25 Balance weight pulley 26 Top beam 27 Balance weight side top beam 28 Car side top beam 29 Support member 30 Support member 31 Support base 32 Control panel bracket 33 Control panel bracket

Claims (3)

A pair of car guide rails standing in the hoistway, a car that can be raised and lowered while being guided by the car guide rail, and a rear side space formed between the rear side of the car and the hoistway wall A pair of weight guide rails erected on the section, a counterweight that can be raised and lowered while being guided by the weight guide rail, a pair of car pulleys that are rotatably supported at the lower part of the car, and the car A main rope roping to suspend the counterweight and the car via a pulley for use, a hoisting machine having a drive sheave arranged around the main rope and wound around the main rope, and the hoisting In an elevator apparatus equipped with a control panel for controlling the machine,
The hoisting machine is disposed above the back side space portion at a position close to the side space portion formed between the hoistway wall and the side of the car, and in the side space portion, A pair of top pulleys that are rotatably supported in parallel at the upper part thereof, and a return that is rotatably supported at a lower part between the drive sheave of the hoisting machine and one of the top pulleys. A pulley, and the main rope is raised via the car pulley, hooked onto the pair of top pulleys, guided downward, and wound around the drive sheave through the return pulley, and the control The board is fixedly provided in a region formed between the opposing portions of the main rope below the pair of top pulleys and on the portion guided by the pair of top pulleys, and the hoisting machine is Arranged close to the side space in the back side space The pair of top pulleys and the return pulley are disposed on a virtual vertical plane substantially parallel to the hoistway wall in the side space, and the control panel is disposed in proximity to the pair of top pulleys. The elevator apparatus is characterized in that the return pulley is disposed below the control panel . 2. The elevator apparatus according to claim 1 , wherein a part of the hoisting machine is disposed so as to overlap a projection surface of the counterweight disposed in the back side space portion . 2. The elevator apparatus according to claim 1, wherein a part of the hoisting machine is overlapped on a projection surface of the car .

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