WO2001089975A1 - Elevator device - Google Patents

Abstract

An elevator device, wherein a hoist (4) is disposed over the hoisting passage of a cage (7) in a hoistway (1), a drive sheave (5) facing the wall surface side of the hoistway (1) is positioned in a clearance, formed in a plane, between the cage (7) and the wall of the hoistway (1) and a motor portion (6) is disposed so as to be overlapped with the cage (7), and the hoist (4) is installed on a machine table (16) fixed to the top of cage guide rails (9) and is prevented from being swung laterally by a swing stopper (18) installed on the machine table (16), whereby the space of the hoistway (1) in a plane can be utilized effectively.

Description

 Description Elevator equipment Technical field

 According to the present invention, in an elevator without a machine room, the installation position of the hoist is arranged at the top of the hoistway. Background art

 FIGS. 6 and 7 show a conventional machine room-less elevator described in Patent Publication No. 2 529 288.

 In the figure, 1 indicates a hoistway, 2 indicates a pit portion, and 3 indicates a hoistway top. Reference numeral 4 denotes a hoisting machine which is arranged at the top 3 of the hoistway and is constituted by a drive sheave 5 and a motor section 6. 7 is a car 7 that moves up and down the hoistway, and 8 is a counter memory that moves up and down the hoistway. Reference numeral 9 denotes two cage guide rails for guiding the elevator of the car 7, and reference numeral 10 denotes two count guide rails for guiding the lift of the counterweight 8. Reference numeral 1 denotes two suspension vehicles provided at the lower part of the car 7 and near the car guide rail 9. Numeral 1 2 is a suspension car provided above the counter 8. Reference numeral 13 denotes a wire rope, one end of which is fixed to a cage retaining portion 14 of the hoistway top 3 and rises via two suspension wheels 11. Further, the wire rope 13 is wound around the drive sheave 5 of the hoisting machine 4, descends and passes through the hoisting wheel 12, and further ascends, and the other end is fixed to the counter-moor clasp 15. . The driving force of the hoisting machine 4 is transmitted by the wire rope 13.

The hoisting machine 4 is arranged above the car guide rail 10 with the drive sheave 5 on the car side and the motor part 6 on the car 7 and the hoistway 1 wall with the motor section 6 facing the wall side of the hoistway 1. ing. Further, as shown in FIG. 7, the hoisting machine 4 is arranged in a space between the wall of the hoistway and the hoistway of the car.

 Next, the operation will be described with reference to FIG. When the hoisting machine 4 is driven, the drive sheave 5 rotates, and the wire rope 13 moves by traction c. With the movement of the wire rope 13, the car 7 and the counter memory 8 are turned upside down, respectively. It moves up and down in the direction.

 As described above, in the conventional machine room-less elevator, the drive sheave 5 is located between the car 7 and the hoistway 1 wall with the drive sheave 5 facing the car side.

 (1) If it is necessary to increase the size of the hoisting machine 4 due to the increase in the size of the car 7, it is necessary to increase the storage space for the hoisting machine 4 between the car 7 and the wall of the hoistway 1. As a result, The cross-sectional area of the hoistway increases.

 (2) Since the motor section 6 is on the wall side, it is difficult to perform maintenance and inspection of the electrical components that make up the motor or the brakes (not shown) that are placed on the motor section 6 side to avoid oil from the ropes. Become. Disclosure of the invention

The present invention has been made to solve the above problems, and has as its first object to save the space of a hoistway without being affected by the size of a hoist. The second purpose is to facilitate maintenance and inspection. The elevator apparatus according to the present invention includes: a cage that guides the elevator of the car; a cage guide rail that guides the elevator of the elevator; and a direction opposite to the elevator of the cage in the elevator path. A counterweight for raising and lowering the counterweight; a guide rail for a counterweight for guiding the lifting of the counterweight; By rotating the sieve, the car and the balance A hoist for raising and lowering the hoist, wherein the hoist is arranged above the elevating passage of the car, and a part of the hoist overlaps with the car in a plan view.

 Further, the hoist is arranged so that the drive sheave faces the wall surface side of the hoistway, and the drive sheave is positioned between the hoistway wall and the car in a plan view.

 Further, the winding machine includes the drive sheave and a motor for rotating the drive sheep, and a part or the whole of the motor is overlapped with the cage in a plan view.

 Furthermore, there is provided a machine base fixed to the top of the car guide rail, and the hoist is fixed to the machine base. Further, it has a machine base for fixing the hoist, and a first support member provided between the machine base and the hoist to elastically support a vertical load of the hoist.

 Further, there is provided a machine base for fixing the hoist, and a vibration damper attached to the machine base for preventing the hoist from rolling.

 Furthermore, a second support member is provided between the vibration stopper and the hoist to elastically support a horizontal load. BRIEF DESCRIPTION OF THE FIGURES

 FIG. 1 is a perspective view of an elevator structure according to Embodiment 1 of the present invention. FIG. 2 is a plan view of the elevator showing the first embodiment.

 FIG. 3 is a detailed view of the fixing portion of the hoist according to the first embodiment, taken along the arrow A in FIG.

 FIG. 4 is a perspective view showing the structure of an elevator according to a second embodiment.

FIG. 5 is a perspective view of an entire structure of an elevator showing a third embodiment. Fig. 6 shows the structure of a conventional machine room-less elevator.

 FIG. 7 is a plan view of a conventional machine room-less elevator. BEST MODE FOR CARRYING OUT THE INVENTION

 Next, examples of the present invention will be described as follows.

Example 1

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

 FIG. 1 is a perspective view of the structure of a machine room-less elevator device showing Embodiment 1 of the present invention, FIG. 2 is a plan view of the machine room-less elevator device of Embodiment 1, and FIG. FIG. 3 is a view seen from an arrow A in FIG. In the figure, the same symbols as those of the conventional example indicate that they are the same or equivalent parts as the conventional elevator apparatus.

16 is a machine base on which the hoisting machine 4 is arranged. This machine base 16 is fixed to the top of the car guide rail 9. As shown in FIG. 2, the machine base 16 partially overlaps the car 7 in a plan view. This machine base 16 may be fixed also to the counter memory guide rail 10 _(the hoisting machine 4 has the drive chip 5 arranged toward the wall side of the hoistway 1 and the motor section 6 is placed facing the car 7 side of the hoistway 1. Therefore, in the plan view, the drive sheave 5 is located in the gap between the hoistway wall and the car, and the motor section 6 is located overlapping the car.

 Reference numeral 17 denotes a vibration isolator provided between the hoisting machine 4 and the machine base 16 to elastically support a vertical load.

Reference numeral 18 denotes a vibration damper that is fixed to the machine base 16 and suppresses the roll of the hoisting machine 4 during operation. The vibration stopper 18 is integrated with the machine base 16 and the car guide rail 9. When the machine base 16 is also fixed to the counter guide rail 10, the vibration stopper 18 is attached to the machine base 16 and the cage guide rail. 9 and countdown guide rail 10 are integrated.

 Reference numeral 19 denotes a vibration isolator provided between the hoisting machine 4 and the vibration stopper 18 to elastically support a horizontal load generated when the hoisting machine 4 rolls. An elastic body such as rubber is used as the vibration isolator.

 The vibration stopper 18 is formed of an L-shaped member, and surrounds the rear surface, the upper surface, and the surface of the motor portion 6 of the hoisting machine 4. The vibration-proof material 19 is disposed between the back side of the motor unit 6 and the vibration stopper 18 and between the surface side of the motor unit 6 and the vibration stopper 18. Such a structure is a structure suitable for supporting the roll of the hoisting machine 4.

 One of the ropes 13 descends from the drive sheave 5 and rises via the hoisting carriage 11 at the bottom of the car 7 and is connected to the cleat 14 at the top of the car guide rail 9 c. It descends from the drive sheave 5 and rises via the counterweight suspension wheel 12, and is connected to the cleat 15 at the top of the counterweight guide rail 10.

 In this structure, the clearance required between the car 7 and the hoistway wall only needs to be at least equivalent to the thickness of the drive sheep 5, so that the cross-sectional area of the hoistway plane can be reduced. This effect relates to the arrangement of the drive sheep 5 of the hoisting machine 4 toward the wall of the hoistway 1 and the arrangement of the hoisting machine 4 above the hoistway of the car 7.

 Since the motor section 6 of the hoisting machine 4 is arranged facing the car 7 side, maintenance and inspection of the motor section 6 and the brake device attached near the motor section 6 are facilitated. This is particularly advantageous when a maintenance worker rides on the ceiling of the car 7 to perform maintenance and inspection.

In addition, since the relationship between the hoisting machine 4 and the car suspension car 11 and the relationship between the hoisting machine 4 and the car 7 are maintained based on the car guide rail 9, even if the size of the car 7 changes, You can always hang around the center of gravity of basket 7. In addition, basket 7 It is difficult for the slope to come out, and a good ride quality can be secured.

 Further, in this embodiment, the hoisting machine 4 is not disposed between the car 7 and the hoistway wall, and as shown in FIG. 2, a part of the hoisting machine 4 and the car 7 originally overlap. Are located in Even when the hoisting machine 4 needs to be enlarged in accordance with the increase in the size of the car 7, it is not necessary to change the gap size between the car 7 and the hoistway wall. In the case of the conventional example, it is necessary to increase the cross-sectional area by increasing the size of the car 7 and to increase the cross-sectional area by increasing the gap between the hoistway of the car 7 and the wall of the hoistway. Although the area is widened, in the case of this embodiment, it is possible to cope only with an increase in the cross-sectional area due to the enlargement of the car 7.

 Therefore, the present embodiment can be designed to have a smaller overall cross-sectional area than the conventional example. Example 2.

 FIG. 4 shows an elevator apparatus according to the second embodiment. The structure is such that the machine base 16 of the hoisting machine 4 is supported by the cage guide rail 9 and the counter guide rail 10. According to this embodiment, in addition to the effects of the first embodiment, the support of the winding machine is further strengthened, and a stable elevator device can be provided. Example 3.

 FIG. 5 shows an elevator apparatus according to the third embodiment. Reference numeral 20 denotes a fixing bracket, which fixed a part of the machine base 16 to the hoistway wall. As a result, the bending load hanging on the car guide rail 9 can be converted into the buckling load via the winding machine 4, and the size of the guide rail 9 can be reduced.

In the above embodiment, the drive sheep 5 is an elevating Although it is arranged parallel to the road wall, it may be arranged at an angle to the hoistway wall.

 In the above embodiment, the counterweight 8 and the hoisting machine 4 are arranged close to the same hoistway wall, but they may be arranged close to different hoistway walls.

 As the hoist 4 described in the above embodiment, a gearless hoist may be applied, or a geared hoist may be applied. In the above embodiment, it is described that the hoisting machine 4 includes the drive sheave 5 and the motor section 6. However, the winding machine 4 is provided in the vicinity of the motor section 6 to rotate the drive sheave 5. A braking device or the like for braking is also included in the hoisting machine 4.

 As described above, the elevator apparatus according to the present invention includes: a car that moves up and down the hoistway of the elevator, a car guide rail that guides the car to move up and down, and the elevator that moves the car through the hoistway. A counterweight that rises and lowers in the opposite direction, a counterweight guide rail that guides the lifting of the counterweight, and a drive sheave that is disposed at the top of the hoistway and around which a rope is wound. A hoist that raises and lowers the car and the counterweight via the rope by rotating the drive sheave, the hoist being lifted and lowered by the car Since the hoist is arranged above the passage and part of the hoist overlaps with the car in the plan view, the gap between the car 7 and the hoistway wall can be increased even if the hoist needs to be enlarged. No need to change dimensions, saving space The pace can be increased.

 Further, the hoist is arranged so that the drive sheave faces the wall surface side of the hoistway, and the drive sheave is positioned between the hoistway wall and the car in a plan view. The area can be reduced.

Further, the winding machine includes the drive sheave and a motor part for rotating the drive sheave, and a part or all of the motor part is shown in a plan view. Since the car and the car are positioned in an overlapped manner, it is not necessary to change the gap dimension between the car 7 and the hoistway wall even when it is necessary to make the motor part large, and it is possible to save space. .

 Furthermore, a machine base fixed to the top of the car guide rail is provided, and the hoist is fixed to the machine base, so that the positional relationship between the drive sheave and the car can be maintained.

 In addition, the apparatus has a machine base for fixing the hoist, and a first support member provided between the machine base and the hoist to elastically support a vertical load of the hoist. Vibration can be prevented.

 Further, since a machine base for fixing the hoist and a vibration damper attached to the machine base for preventing the hoist from rolling are provided, the hoist can be prevented from rolling and stable driving can be achieved. It can be carried out.

 Furthermore, since the second support member for elastically supporting the load in the horizontal direction is provided between the vibration stopper and the hoist, horizontal vibration can be prevented. Industrial applicability

 As described above, the elevator apparatus according to the present invention is an elevator apparatus without a machine room in which the installation position of the hoist is arranged at the top of the hoistway, and effectively utilizes the flat space of the hoistway. This applies to equipment that requires an elevator.

Claims

The scope of the claims 1. A cage that guides the car up and down in the hoistway, and a counterweight that moves up and down in the hoistway in the opposite direction to the car. A counterweight guide rail for guiding the lifting and lowering of the counterweight; and a drive sheave disposed on the top of the hoistway and wound with a rope, by rotating the drive sheave. An elevator having a hoist that raises and lowers the car and the counterweight through the mouthpiece, wherein the hoist is disposed on a hoistway of the car, and An elevator apparatus, wherein a part of the upper machine overlaps with the basket.  2. The hoisting machine is arranged so that the drive sheave faces the wall side of the hoistway, and the drive ship is located in a gap between the hoistway wall and the car in a plan view. 2. The elevator apparatus according to claim 1, wherein: 3. The hoist comprises the drive sheave and a motor for rotating the drive sheave, and a part or all of the motor is overlapped with the cage in a plan view. claim 2 Jer base Isseki device according _c 4. The elevator apparatus according to claim 1, further comprising a machine base fixed to a top of the car guide rail, wherein the hoist is fixed to the machine base.  5. A machine base for fixing the hoist, and a first support member provided between the machine base and the hoist to elastically support a vertical load of the hoist. The elevator apparatus according to claim 1, characterized in that: 6. The machine base for fixing the hoisting machine, and a vibration damper attached to the machine base for preventing the hoist from rolling. Elevator overnight device.  7. The elevator apparatus according to claim 6, further comprising a second support member between the vibration stopper and the hoist for elastically supporting a horizontal load.