WO2002022487A1 - Elevator device - Google Patents

Abstract

An elevator device, wherein an opening part (14) communicating the upper part of a landing (12) with the inside of a hoistway (11) is provided in a front wall (11a) of the hoistway (11), a plurality of detachable soundproofing and fireproofing covers (15) are installed on the landing (12) side and hoistway (11) side of the opening part (14), and a driving device (23) moving up and down a car (27) is disposed in an installation space (20) surrounded by the soundproofing and fireproofing covers (15).

Description

 Description Elevator overnight device

Technical field

 The present invention relates to a machine room restaurant that does not have a dedicated machine room for installing a drive device. Background art

 Conventionally, in a machine room-less elevator without a machine room, for example, as shown in Japanese Patent Application Laid-Open No. 7-104334, a driving device for raising and lowering a car and a counterweight is Located in the upper part of the hoistway. However, if the size of the drive unit is large, it may not be possible to arrange the drive unit in the hoistway. In such a case; for example, as shown in FIG. 23, a part of the wall 1 a of the hoistway 1 is extended outward to form a recess 2, and the driving device 3 is disposed in the recess 2. .

 However, in the recess 2, in addition to the space for installing the drive unit 3, it is necessary to secure a space for workers to work during maintenance and inspection and a space for removing parts of the drive unit 3. There is. In addition, the entrance of the recess 2 must be large enough to allow workers to enter, and if equipment such as rails is located in front of the entrance, the recess 2 must be further enlarged to avoid the equipment. Yes, construction costs are high. Further, since the entrance of the concave portion is large, the size of the machine base 4 supporting the driving device 3 is also increased. Disclosure of the invention

 The present invention has been made to solve the above-described problems, and can reduce an installation space for a driving device and facilitate maintenance and inspection work on the driving device. The purpose is to obtain an overnight device.

An elevator apparatus according to the present invention includes a hoistway having a front wall located between the landing and a car, a car that is moved up and down in the hoistway, a driving device that has a drive sheave and moves the car up and down, It has a main rope that wraps around the drive sheave and suspends the car.The front wall is provided with an opening that connects the upper part of the landing with the inside of the hoistway. A plurality of removable soundproof and fireproof covers are mounted on the roadside, and the drive unit is placed in the installation space surrounded by the soundproof and fireproof cover. BRIEF DESCRIPTION OF THE FIGURES

 FIG. 1 is a vertical cross-sectional view of a device according to Embodiment 1 of the present invention.

 FIG. 2 is a plan view showing the elevator device of FIG. 1,

 Fig. 3 is an enlarged view of the main part of Fig. 1,

 FIG. 4 is a longitudinal sectional view of an elevator apparatus according to Embodiment 2 of the present invention,

 FIG. 5 is a plan view showing the elevator device of FIG. 4,

 Figure 6 is an enlarged view of the main part of Figure 4,

 FIG. 7 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 3 of the present invention, FIG. 8 is a longitudinal sectional view showing a state of the drive device shown in FIG. 7 during maintenance and inspection,

 FIG. 9 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 4 of the present invention. FIG. 10 is a longitudinal sectional view showing a state of the drive device of FIG. 9 at the time of maintenance and inspection.

 FIG. 11 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 5 of the present invention, FIG. 12 is a longitudinal sectional view showing a state of the drive device shown in FIG. 11 during maintenance and inspection,

 FIG. 13 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 6 of the present invention, FIG. 14 is a longitudinal sectional view showing a state of the drive device shown in FIG. 13 during maintenance and inspection,

 FIG. 15 is a side view showing the state of the maintenance and inspection of the elevator device according to Embodiment 7 of the present invention.

 FIG. 16 is a perspective view of the main part of FIG. 15 viewed from the landing side,

 FIG. 17 is an exploded perspective view showing the scaffold device of FIG. 15,

 FIG. 18 is a vertical cross-sectional view showing a main part of a recirculating device according to an eighth embodiment of the present invention, FIG. 19 is a plan view showing the elevator device of FIG. 18,

FIG. 20 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 9 of the present invention. FIG. 21 is a plan view showing the elevator apparatus of FIG. 20. FIG. 22 is a longitudinal sectional view showing a state where the control panel of FIG. 20 is pulled out to the landing side,

 FIG. 23 is a configuration diagram showing an example of a conventional elevator apparatus. BEST MODE FOR CARRYING OUT THE INVENTION

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

Embodiment 1 ^:

 FIG. 1 is a longitudinal sectional view of an elevator apparatus according to Embodiment 1 of the present invention, FIG. 2 is a plan view showing the elevator apparatus of FIG. 1, and FIG. 3 is an enlarged view of a main part of FIG.

 In the figure, the hoistway 11 is composed of a front wall 1 la located between the hall 12 and a rear wall 11 b facing the front wall 11 a, and a pair of side walls 11 c and 11 d. Have. A landing entrance 13 is provided on the front wall 1 la. The front wall 11a of the landing 1.2 on the top floor is provided with an opening 14 communicating the upper part of the landing 12 with the inside of the hoistway 11. The opening 14 is located above the landing entrance 13 on the top floor.

 A plurality of removable soundproof and fireproof covers 15 and 16 are attached to the landing 12 side and the hoistway 11 side of the opening 14 respectively. These soundproof and fireproof covers 15, 16 are attached to the ceiling 18 and the front wall 11 a by a plurality of mounting brackets 17. The soundproof and fireproof cover 15 on the landing 12 side can be divided into two parts at the center, and the divided parts are connected by a dowel 19.

 The machine stand 21 is fixed in the installation space 20 surrounded by the soundproof and fireproof casings 1, 15 and 16. A drive unit (winding machine) 23 is supported on the machine base 21 via a plurality of vibration isolating rubbers 22. The drive device 23 has a drive sheave 24. In the hoistway 11, a pair of car guide rails 25 and a pair of counterweight guide rails 26 are provided. The car 27 is guided by the car guide rail 25 and is moved up and down in the hoistway 11 by the driving device 23. The counterweight 28 is guided by the counterweight guide rail 26 and is moved up and down in the hoistway 11 by the driving device 23. A support beam 29 is fixed to the upper ends of the guide rails 25 and 26. Support beam

29 abuts the rear wall 1 lb. Car side return car 3 0 and counterweight side return car 3

1 is favored. Between the support beam 29 and the machine base 21, a connection beam 32 that transmits a horizontal force applied to the machine base 21 to the support beam 29 is connected. At the lower part of the car 27, a pair of car hanging wheels 33 is provided. Above the counterweight 28, a counterweight suspender 34 is provided. A main rope 35 for hanging a car 27 and a counterweight 28 is wound around the drive sheave 24. The soundproof and fireproof cover 16 on the hoistway 11 side is provided with a plurality of holes 16a through which the main cable 35 passes.

 One end of the main rope 35 is connected to a cleat (not shown) at the top of the hoistway 11, and the car suspension wheel 33, the car side return wheel 30, the drive sheave 24, the fishing It is wound in the order of the weight return side wheel 31 and the counterweight suspension wheel 34, and the other end is connected to a cleat (not shown) at the top of the hoistway 11.

 In such an elevator system, an opening 14 is provided in the front wall 11a of the hoistway 11, and the soundproof and fireproof removable on the landing 12 side and the hoistway 11 side of the opening 14 is provided. Covers 15 and 16 were installed, and drive unit 23 was placed in installation space 20 surrounded by soundproof and fireproof cover 15 and '16. The maintenance work for the drive device 23 can be performed from the place 12 side.

 Therefore, there is no need for an operator to enter the installation space 20, and the installation space 20 for the drive device 23 can be reduced, and maintenance work for the drive device 23 can be facilitated. it can. Also, by merely providing an opening 14 in the front wall 11a of the hoistway 11, there is almost no effect on the structure on the building side, and conversely, there is little restriction from the building side. In addition, since the connecting beam 32 is provided between the machine base 21 and the support beam 29, the horizontal force acting on the machine base 21 is reduced by the hoistway via the connecting beam 32 and the support beam 29. 11 1 wall, here 1 lb. Therefore, the support structure of the machine base 21 can be simplified. Embodiment 2

 Next, FIG. 4 is a longitudinal sectional view of an elevator apparatus according to Embodiment 2 of the present invention, FIG. 5 is a plan view showing the elevator apparatus of FIG. 4, and FIG. 6 is an enlarged view of a main part of FIG. It is.

In the figure, a machine base 41 is fixed in an installation space 20. A thin drive device 42 is horizontally mounted on the machine base 41 via a plurality of vibration isolating rubbers 22. The c drive device 42 has a drive sheave 43. Drive sheave 4 3 rotates vertically Rotated about an axis. Other configurations are the same as those of the first embodiment.

The ^I: Una By using the driving device 4 and second thin, the set置空between 2 0 for the drive unit 4 2 can be further reduced, it is possible to save space. Embodiment 3.

 Next, FIG. 7 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 3 of the present invention. In this example, the machine base 44 supporting the driving device 23 is rotatable around the shaft pin 45. A screw receiver 46 is fixed to the machine base 44, and a screw rod 47 is screwed to the screw receiver 46. At the end of the threaded rod 47, a socket 48 with a square hole is provided.

 The machine base 44 is rotated about the shaft pin 45 by rotating the screw rod 47. As a result, the driving device 23 is moved from the normal installation position to the landing 12 side. Other configurations are the same as those of the first embodiment.

 FIG. 8 is a longitudinal sectional view showing a state of the drive device 23 of FIG. 7 during maintenance and inspection. At the time of maintenance inspection, the soundproof and fireproof covers 15 and 16 are removed (only the soundproof and fireproof cover 15 may be removed), and the screw rod 47 is rotated using the handle 49. As a result, the driving device 23 is moved to a position where it is easy to work. Therefore, the workability of the maintenance and inspection work can be improved. Embodiment 4.

 FIG. 9 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 4 of the present invention. In the figure, a machine base 44 is supported by a slide member 51 via a shaft pin 45. The slide member 51 is supported by the ceiling 18 so as to be able to slide along the slide guide 52. A screw rod 53 is screwed into the slide member 52. At the end of the screw rod 53, a 'square hole receiving metal 54' is provided.

 The slide member 52 is rotated by turning the screw rod 53 to form the slide guide 5.

Are moved along 2. As a result, the drive device 23 is moved from the normal installation position to the landing

12 Moved to the side. Other configurations are the same as those of the third embodiment.

FIG. 10 is a longitudinal sectional view showing the state of the drive device 23 of FIG. 9 at the time of maintenance and inspection. Maintenance At the time of inspection, the soundproof and fireproof covers 1.5 and 16 are removed, and the screw rods 47 and 53 are rotated using the handle 49. Thereby, the drive device 23 is moved to a position where it is easy to work. Therefore, the workability of the maintenance and inspection work can be improved. Embodiment 5

 Next, FIG. 11 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 5 of the present invention. In this example, the machine base 5 5 supporting the thin drive 42 is a shaft pin

It is attached to the front wall 11a so as to be rotatable around 56. A screw receiver 57 is provided on the front wall 1 la, and a screw rod 58 is screwed into the screw receiver 57. At the end of the threaded rod 58, a socket 59 with a square hole is provided. The machine base 55 is provided with a guide pipe 60 as a disengagement prevention means for preventing a change in the angle of entry of the main rope 35 into the drive sheave 43 due to the displacement of the driving device 42. The machine base 55 is rotated about the shaft pin 56 by rotating the screw rod 58. As a result, the drive device 42 is moved from the normal installation position to the landing 12 side. Other configurations are the same as those of the second embodiment.

 FIG. 12 is a longitudinal sectional view showing a state of the driving device 42 of FIG. 11 at the time of maintenance and inspection. During maintenance and inspection, the soundproof and fireproof covers 15 and 16 are removed, and the screw rod 58 is rotated using the handle 49. As a result, the drive device 42 is moved to a position where it is easy to work. Therefore, the workability of the maintenance and inspection work can be improved.

 Since the machine base 55 is provided with the guide pipe 60, the displacement of the drive unit 42 prevents the angle of entry of the main rope 35 into the drive ship 43 from being changed. The main rope 35 is prevented from coming off the sheave 43. Embodiment 6

 FIG. 13 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 6 of the present invention. In the figure, a machine base 61 that supports a driving device 42 can move diagonally to a landing 12 side along a slide guide 62. Machine stand 6 1 has a threaded rod

6 3 is screwed. At the end of the threaded rod 63, there is provided a socket with a square hole 64.c On the machine base 61, the main cable 35 for the drive sheave 43 is provided by the displacement of the drive device 42. A guide pipe 65 is attached as a slip-off prevention means for preventing a change in the approach angle of the vehicle. Other configurations are the same as those of the fifth embodiment.

 FIG. 14 is a longitudinal sectional view showing a state of the drive device 42 of FIG. 13 during maintenance and inspection. At the time of maintenance, the soundproof and fireproof covers 15 and 16 are removed, and the screw rod 63 is rotated using the handle 49. As a result, the drive device 42 is moved to a position where it is easy to work. Therefore, the workability of the maintenance and inspection work can be improved.

 In addition, since the machine base 61 is provided with the guide pipe 65, the angle of the main rope 35 entering the drive sheave 43 due to the displacement of the drive device 42 is prevented from being changed. The main rope 35 is prevented from coming off the sheave 43.

 In the third to sixth embodiments, since the rope tension is applied to the driving devices 23 and 42, the screw rods 47, 53, 58 are particularly necessary for the elevator device having a large loading load. , 63 are subjected to large forces, and it is difficult to move the driving devices 23, 42. On the other hand, the cage 27 and the counterweight 28 are supported at a certain height in the hoistway 11 and the tapping tension is reduced before the screw rods 47, 53, 58, By rotating 63, the displacement of the driving devices 23 and 42 becomes easy.

 Also, during normal operation, the position of the driving devices 23 and 42 is fixed by a fixing device such as a fixed port (not shown), and the fixing devices are released and the driving devices 23 and 42 are displaced during maintenance and inspection. You may do so. Embodiment 7

 Next, FIG. 15 is a side view showing a state of a maintenance and inspection of the elevator apparatus according to Embodiment 7 of the present invention, FIG. 16 is a perspective view of a main part of FIG. 15 viewed from the landing side, FIG. 17 is an exploded perspective view showing the scaffold device of FIG.

 In the figure, a scaffolding frame 7 1 is fixed to the landing 12 side of the front wall 1 1 a c. A scaffolding frame 7 1 has a scaffolding 7 2 is hooked and supported. The scaffold device 72 has a folding scaffold frame 73 and a plurality of scaffold plates 74.

The scaffolding frame 73 includes a pair of lower frames 75, a connecting link 76 connecting the lower frames 75, a pair of vertical frames 77, a pair of first handrail links 78, and a pair of second handrail links. 7 9, lower frame A pair of first handrail support links 80 connected between 75 and the first handrail link 78, connected between the lower frame 75 and the second handrail link 79 A pair of second handrail support links 8 1, a connecting handrail 8 connected between the second handrail support links 8 1, and a pair of vertical handrail links 7 8 connected between the vertical frame 7 7 and the first handrail link 7 8 A first diagonal link 83, and a pair of second diagonal links 84 connected between the first handrail link 78 and the lower frame 75.

 At the end of each lower frame 75, a stopper 85 for a handrail support link is provided. At the upper end of each of the ridges 77, a hook metal fitting 86 that is hooked on the scaffold hangers 71 is fixed. Each scaffold plate 74 is provided with a plurality of hooks 74a that engage with the lower frame 75. A ladder 87 is suspended between the floor of the landing 12 and the scaffolding device 72.

 In such an elevator system, since the scaffolding device 72 is attached near the opening 14 at the time of maintenance and inspection, workability and safety of maintenance and inspection work are improved. Further, since the scaffolding device 72 can be disassembled into a foldable scaffolding frame 73 and a plurality of scaffolding plates 74, storage and transportation are easy. Embodiment 8

Next, FIG. 18 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 8 of the present invention, and FIG. 19 is a plan view showing the elevator apparatus of FIG. In this example, a control panel 91 for controlling the operation of the elevator apparatus is fixed to an outer peripheral portion of the soundproof and fireproof cover 15 on the hall 12 side. The lid 92 of the control panel 91 is opened from the landing 12 side by sliding. Other configurations are the same as those of the second embodiment. In such Jer base Isseki device, the control panel 9 1 is fixed to the outer peripheral portion of the soundproof and fireproof cover 1 5, also _c can be reduced soundproofing and fire cover one 1 5 partially, The embodiment 9 in which the maintenance and inspection work for the control panel 91 can be easily performed on the landing 12 side _c .

Next, FIG. 20 is a longitudinal sectional view showing a main part of an elevator apparatus according to Embodiment 9 of the present invention, and FIG. 21 is a plan view showing the elevator apparatus of FIG. In this example, The control panel 91 is accommodated in the installation space 20 of the moving device 42. As shown in FIG. 22, the control panel 91 can be pulled out to the landing 12 along the slide guide 93.

 In such an elevator apparatus, since the driving device 42 and the control panel 91 are accommodated in the installation space 20, the space can be efficiently used to save space. In addition, maintenance work for the control panel 91 can be easily performed on the landing 12 side.

Claims

The scope of the claims 1. A hoistway with a front wall located between the landing and  A car that is raised and lowered in this hoistway,  A drive device having a drive sheave for raising and lowering the car; and  A main rope that is wound around the drive sheave and suspends the car  And an elevator device equipped with  The front wall is provided with an opening communicating the upper part of the landing with the inside of the hoistway. A plurality of removable soundproof and fireproof covers are provided on the landing side and the hoistway side of the opening. An elevator system in which the drive unit is disposed in an installation space surrounded by the soundproof and fireproof cover. 2. A machine base fixed in the installation space and supporting the driving device, and provided between the wall of the hoistway and the machine base to apply a horizontal force acting on the machine base to the wall. 2. The elevator apparatus according to claim 1, further comprising a connecting beam communicating to the section. 3. The elevator apparatus according to claim 1, wherein the driving device is displaceable from a normal installation position to the landing side. 4. The elevator as claimed in claim 3, further comprising a disengagement preventing means for preventing a change in an angle of entry of the main rope with respect to the driving sheave due to a displacement of the driving device. 5. The driving device is supported by a displaceable machine base, and the disengagement prevention means is a guide pipe attached to the machine base and restricting displacement of the main rope with respect to the machine base when the machine base is displaced. 5. The elevator apparatus according to claim 4, wherein: 6. The elevator apparatus according to claim 1, further comprising a scaffolding device mounted near the opening during maintenance and inspection. 7. The elevator apparatus according to claim 1, wherein a control panel is fixed to an outer peripheral portion of the soundproof and fireproof cover on the landing side. 8. The elevator apparatus according to claim 1, wherein a control panel is accommodated in the installation space, and the control panel can be displaced to a landing side.