KR20060096113A - Elevator - Google Patents

Abstract

An elevator in which a cage lifted and lowered in an elevator shaft consists of a cage frame and a cage chamber supported by the cage frame. Beveled parts are provided at the corners of the cage chamber. The cage frame has a vertical columns arranged along the beveled parts.

Description

Elevator device {ELEVATOR}

The present invention relates to an elevator apparatus in which a car having a car frame and a car compartment supported by the car frame moves up and down the hoistway.

In a conventional elevator apparatus, a car guide rail is arrange | positioned in the space between a car and a hoistway wall. Moreover, a balance weight is arrange | positioned in the space behind back of the cage guide rail in a hoistway. Moreover, the winding machine is arrange | positioned in the space ahead of the cage guide rail in a hoistway (for example, refer patent document 1).

Patent Document 1: Japanese Patent Application Laid-Open No. 9-165163

Problems to be Solved by the Invention

In the conventional elevator apparatus, however, it is necessary to secure a space for arranging the car guide rail between the car and the hoistway wall, and the hoistway space becomes large.

This invention is made | formed in order to solve the above subjects, and an object of this invention is to obtain the elevator apparatus which can further reduce an elevator space.

Means for solving the problem

An elevator apparatus according to the present invention has a cage and a cage supported on a cage, and includes a cage for lifting up and down a hoistway, and a chamfer is provided at a corner of the cage. The frame has a vertical column arranged along the chamfer.

Moreover, the elevator apparatus by this invention is provided with the elevator frame containing a vertical column, and the cage | basket | car case supported by the elevator frame, and the cage | basket | car which raises and lowers inside a hoistway, and the recessed part is provided in the side surface of the cage | basket | car compartment. At least a part of the vertical column is disposed in the recess.

BRIEF DESCRIPTION OF THE DRAWINGS It is a top view which shows the elevator apparatus by Embodiment 1 of this invention.

FIG. 2 is a side view illustrating the elevator apparatus of FIG. 1. FIG.

3 is a perspective view illustrating the car of FIG. 1.

4 is an enlarged plan view of the main portion of FIG. 1.

5 is a plan view of the emergency stop device of the elevator device of FIG.

It is a top view which shows the elevator apparatus by Embodiment 2 of this invention.

7 is a plan view showing the elevator apparatus according to Embodiment 3 of the present invention.

FIG. 8 is a perspective view illustrating the car of FIG. 7. FIG.

9 is a sectional view showing the main parts of the car of FIG.

It is a perspective view which shows the cage | basket | car of the elevator apparatus by Embodiment 4 of this invention.

It is explanatory drawing which shows typically the structure of the cage of FIG.

It is a top view which shows the elevator apparatus by Embodiment 5 of this invention.

Preferred Mode for Carrying Out the Invention

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of this invention is described with reference to drawings.

Embodiment 1.

BRIEF DESCRIPTION OF THE DRAWINGS The top view which shows the elevator apparatus (elevator without a machine room) by Embodiment 1 of this invention, FIG. 2 is a side view which shows the elevator apparatus of FIG. 1, FIG. 3 is a perspective view which shows the car of FIG.

In the drawing, in the hoistway 1, the 1st and 2nd cage guide rails 2a and 2b and the 1st and 2nd counterweight guide rails 3a and 3b are provided (a guide rail in FIG. 2). (Not shown in 2a, 2b, 3a, 3b)). The guide rails 2a, 2b, 3a, and 3b each have a T-shaped cross section. The car guide rails 2a and 2b oppose each other.

The car 4 is guided to the car guide rails 2a and 2b to move up and down the hoistway 1. In the vertical projection surface, the car guide rails 2a and 2b are disposed on an extension line of the first diagonal line 4a of the car 4. The counterweight 5 is guided by the counterweight guide rails 3a and 3b to raise and lower the inside of the hoistway 1.

In the lower part of the cage | basket | car 4, the 1st and 2nd rope connection parts 8a and 8b are provided. In the vertical projection surface, the rope connection parts 8a and 8b are arrange | positioned on the 2nd diagonal line 4b of the car 4.

On the upper part of the hoistway 1, the support frame 9 (FIG. 2) is provided. The supporting frame 9 is supported by at least one of the cage guide rails 2a and 2b and the counterweight guide rails 3a and 3b. In addition, you may support the support frame 9 by the support part provided in building.

The support frame 9 is supported with a drive device (winder) 10 that generates a driving force for lifting the car 4 and the counterweight 5 up and down. The drive device 10 includes a drive device body 11 including a motor and a brake, and a drive sheave 12 rotated by the drive device body 11.

In this example, the drive sheave 12 is disposed on the drive main body 11. Moreover, the drive sheave 12 is driven directly by the motor of the drive body 11 without passing through a deceleration mechanism.

Moreover, the drive apparatus 10 is arrange | positioned horizontally (it includes substantially horizontal) so that the rotating shaft of the drive sheave 12 may extend vertically (it includes approximately vertical). Moreover, as the drive apparatus 10, the thin type hoist which is smaller than the outer diameter dimension of the direction orthogonal to an axial direction is used.

In addition, in the vertical projection surface, the drive device 10 has the whole or almost the whole overlapping with the car 4. That is, the drive device 10 is disposed directly above the car 4.

The main rope 13 which winds the cage | basket | car 4 and the counterweight 5 in the hoistway 1 is wound by the drive sheave 12. As shown in FIG. The main rope 13 includes a plurality of first main ropes 14 (only one is shown in FIGS. 1 and 2) and a plurality of second main ropes 15 (only one is shown in FIGS. 1 and 2). ) Is included.

The car 4 and the counterweight 5 are suspended by the main rope group 13 in a 1: 1 roping system.

The first main rope 14 has a first end 14a connected to the first rope connection part 8a and a second end 14b connected to the upper portion of the counterweight 5. The second main rope 15 has a third end 15a connected to the second rope connecting portion 8b and a fourth end 15b connected to the upper portion of the counterweight 5.

On the support frame 9, the first pulley 16 for guiding the first main rope 14 to the first rope connecting portion 8a and the second main rope 15 for guiding the second rope connecting portion 8b. The second pulley 17, the third pulley 18 for guiding the first and second main ropes 14 and 15 to the counterweight 5, and the first main rope extending from the drive sheave 12 ( The turning pulley 19 which guides 14 to the 1st pulley 16 is mounted.

The 1st pulley 16 is arrange | positioned immediately above the 1st rope connection part 8a. The second pulley 17 is disposed just above the second rope connecting portion 8b.

The first to third pulleys 16 to 18 are arranged so that their rotation axes are horizontal. The forward pulley 19 is arrange | positioned so that the rotating shaft may become vertical (it includes substantially vertical). Moreover, the forward pulley 19 is arrange | positioned in the same position as the drive sheave 12 with respect to the depth direction (left-right direction of FIG. 1) of the cage | basket | car 4. As shown in FIG.

The drive apparatus 10 and the pulleys 16-19 are mounted in the common support frame 9, and are unitized.

The car 4 includes a car frame 6 (not shown in FIG. 2), a car floor platform 22 (FIG. 3) supported by the car frame 6, and a car floor. It has the cage | basket | car 7 supported on the platform 22, and the some vibration-proof rubber 23 (FIG. 3) interposed between the cage | basket | floor platform platform 22 and cage | basket | car compartment 7.

The car compartment 7 opposes the front surface 7a in which the car doorway (not shown) was provided, the back surface 7b which opposes the front surface, the 1st side surface 7c, and the 1st side surface 7c. It has 2nd side surface 7d, cage bottom 7e, and ceiling part 7f.

The first diagonal line 4a is a straight line connecting the corner portion between the front surface 7a and the first side surface 7c and the corner portion between the rear surface 7b and the second side surface 7d in the vertical projection surface. The second diagonal line 4b is a straight line connecting the corner portion between the back surface 7b and the first side surface 7c and the corner portion between the front surface 7a and the second side surface 7d.

When the counterweight 5 is located at the same height as the car 4, it is arrange | positioned at the back of the car 4 so that it may oppose the back surface 6b.

The 1st chamfer 21a is provided in the corner part between the front surface 7a of the cage | basket | car 7, and the 1st side surface 7c. The second chamfer 21b is provided in the corner part between the back surface 7b of the cage | basket | car 7 and the 2nd side surface 7d. The third chamfer 21c is provided in the corner between the front surface 7a of the cage | basket | car 7 and the 2nd side surface 7d. The 4th chamfer 21d is provided in the corner part between the back surface 7b of the cage | basket | car 7 and the 1st side surface 7c.

The chamfers 21a to 21d are formed to chamfer four corners of the rectangular cage 6 in the vertical projection plane. In other words, the chamfers 21a to 21d may be referred to as corner notches or cross-sectional notches. The first chamfer 21a and the second chamfer 21b are parallel or substantially parallel to each other. The 3rd chamfer 21c and the 4th chamfer 21d are parallel or substantially parallel to each other.

The chamfers 21a to 21d are provided continuously along the lifting direction (up and down direction) of the car 4. By providing the chamfers 21a and 21b, the floor area of the cage 7 is slightly reduced, but the reduction of the floor area is not enough to affect the passenger's capacity.

The 1st and 2nd rope connection parts 8a and 8b are arrange | positioned so that it may protrude from 3rd and 4th chamfer 21c, 21d in a vertical projection surface. Thereby, the 1st main rope 14 is arrange | positioned so that it may partially face the 3rd chamfer 2c. Moreover, the 2nd main rope 15 is arrange | positioned so that it may partially face the 4th chamfer 21d.

The car frame 6 includes a horizontal lower girder 6a supporting the car floor platform 22, first and second vertical columns 6b and 6c parallel and vertical to each other and vertical columns 6b and 6c. It has a horizontal upper girder 6d disposed between the upper ends of The lower girders 6a are disposed between the lower ends of the vertical pillars 6b and 6c. The first and second rope connecting portions 8a and 8b are fixed to the car floor platform 22.

The lower girders 6a and the upper girders 6d are arranged along the first diagonal line 4a of the car 4 in the vertical projection plane. The vertical pillars 6b and 6c are disposed along the first and second chamfers 21a and 21b. That is, the vertical columns 6b and 6c are arranged in the space adjacent to the chamfer 21a, 21b. Moreover, the back surface of the vertical pillars 6b and 6c is joined to the 1st and 2nd chamfer 21a, 21b. Moreover, the cage | basket | car 7 is being fixed to the vertical column 6b, 6c by the 1st and 2nd chamfer 21a, 21b via fastening tools, such as a bolt.

The vertical columns 6b and 6c oppose the car guide rails 2a and 2b, respectively. Groove portions (concave portions) 6h extending continuously in the vertical direction are formed on surfaces facing the car guide rails 2a and 2b of the vertical columns 6b and 6c. Conversely, the car guide rails 2a and 2b are arranged toward the groove portion 6h.

In the groove part 6h of the 1st longitudinal column 6b, at least one part of the 1st car guide shoe 20a which engages with the 1st car guide rail 2a is arrange | positioned. At least a part of the 2nd car guide shoe 20b which engages with the 2nd car guide rail 2b is arrange | positioned in the groove part 6h of the 2nd vertical column 6c. In this example, the whole cage guide shoes 20a and 20b are accommodated in the groove part 6h.

As car guide shoes 20a and 20b, a sliding guide shoe or a roller guide shoe can be used, for example.

4 is an enlarged plan view of the main portion of FIG. 1. As shown in FIG. 4, the vertical column 6c and the second car guide shoe 20b are a straight line extending the back surface 7b and a straight line extending the second side surface 7d and a second chamfer on the vertical projection surface. It is arrange | positioned inside the triangular area | region (vertical column installation space) which the surface of the base 21b encloses. Similarly, the vertical column 6b and the 1st cage guide shoe 20a are the straight line which extended the front surface 7a in the vertical projection surface, and the straight line which extended the 1st side surface 7c, and the 1st chamfer 21a. It is arrange | positioned inside the triangular area (vertical column installation space) which a surface surrounds.

It is preferable to arrange | position the cage guide shoes 20a and 20b so that 80% or more of the cross sections may be accommodated in the groove part 6h of the columnar columns 6b and 6c.

Moreover, at least one part of cage guide rails 2a and 2b is arrange | positioned in the groove part 6h of the columnar columns 6b and 6c in a vertical projection surface.

The vertical pillars 6b and 6c are a pair of agents extending at right angles to the first portion 6e from both ends of the first portion 6e and the first portion 6e joined to the chamfers 21a and 21b. It has a pair of 3rd part 6g extended from the front-end | tip of 2 part 6f and the 2nd part 6f to the chamfer 21a, 21 side. The first to third portions 6e to 6g are formed by bending a steel sheet. By adopting such a bending structure, the strength of the vertical columns 6b and 6c against toppling, torsion and bending is increased.

The groove part 6h is formed of the 1st part 6e and the 2nd part 6f. The car guide shoes 20a and 20b are provided in the 1st part 6e. The 3rd part 6g becomes one surface with the side surface (front surface 7a, back surface 7b, 1st side surface 7c, or 2nd side surface 7d) of the adjacent cage | basket | car 7.

In addition, as shown in FIG. 5, in the vertical projection surface, at least a part of the emergency stop device 24 for emergency stopping the car 4 protrudes from the chamfers 21a and 21b so that the vertical column 6b, It is arrange | positioned in the groove part 6h of 6c). In this example, the entire engaging portion of the emergency stop device 24 with the car guide rails 2a and 2b is housed in the groove portion 6h.

The emergency stop device 24 may be an electric one having an actuator that operates by receiving an electric operation signal, even in a mechanical one that operates by transmission of a mechanical operation force.

The emergency stop apparatus 24 has the fixed part 25 fixed to the cage | basket | car 4 side, and the braking piece (wedge member) 26 provided slidably in the inside of the fixed part 25. As shown in FIG. In the operation of the emergency stop device 24, the braking piece 26 is displaced upward with respect to the car 4 along the sliding guide surface of the fixing portion 25. As a result, the braking piece 26 is sandwiched between the sliding guide surface and the side surfaces of the car guide rails 2a and 2b, and the car guide rails 2a and 2b are fixed to the fixing portion 25 and the braking piece ( The car 4 is emergency-stopped between 26 and.

Moreover, as shown in FIG. 5, the 3rd part 6g of the columnar 6b, 6c is joined to the front surface 7a or back surface 7b, and the 1st side surface 7c or 2nd side surface 7d. May be fixed.

In such an elevator apparatus, since the vertical column 6b, 6c is arrange | positioned at the chamfer 21a, 21b provided in the corner part of the cage | basket | car 7, the side surface 7c, 7d of the cage | basket | car 7 is provided. ) Vertical columns 6b and 6c do not protrude, and the installation space of the elevator apparatus in the width direction of the car 4 can be reduced, and the hoistway space can be further reduced.

In particular, the decrease in the horizontal cross-sectional area of the hoistway 1 due to the provision of the chamfers 21a and 21b is smaller than the reduction in the horizontal area of the cage 7 due to the provision of the chamfers 21a and 21b. If large, the hoistway space can be reduced more effectively.

Moreover, when providing an elevator apparatus together, the distance of the cage | basket | cars of the adjacent elevator apparatus can be minimized, and the elevator track space as a whole can be reduced effectively.

In addition, since the cage guide shoes 20a and 20b and the cage guide rails 2a and 2b are disposed in the groove portions 6h of the vertical columns 6b and 6c, the hoistway space can be further reduced.

Moreover, since at least a part of the emergency stop device 24 is disposed in the groove portion 6h of the vertical columns 6b and 6c in the vertical projection surface, the emergency stop device 24 is prevented from protruding from the car 4. The installation space of the elevator apparatus in the width direction of the cage | basket | car 4 can be made small, and an elevator space can be reduced further.

Moreover, since the chamfers 21a-21d are provided in the four corners of the cage | basket | car 7, the cage 4 and the counterweight 5 are crossed in the narrow hoistway 1, but the chamfer 21a- Air can be released through the space formed by 21d), and generation of impact sound or vibration when staggered can be suppressed.

Moreover, since the rope connection part 8a, 8b is provided so that it may protrude from the chamfer 21c, 21d in a vertical projection surface, the installation space of the elevator apparatus in the width direction of the cage | basket | car 4 can be made smaller, The space of the hoistway can be further reduced.

In the above example, the surfaces of the chamfers 21a to 21d are flat, but may be curved surfaces.

In the above example, the first to fourth chamfers 21a to 21d are provided, but only the first and second chamfers 21a and 21b may be provided. In this case, the rope connection parts 8a and 8b may be arranged so as to project slightly from the side surfaces 7c and 7d of the cage 7, for example, as shown in FIG. 6.

Embodiment 2.

6 is a plan view which shows the elevator apparatus by Embodiment 2 of this invention. In the figure, the cage 4 has a cage 31 and a cage 7 supported by the cage 31.

The car frame 31 includes horizontal first and second lower girders (not shown) supporting the car compartment 7, first to fourth vertical columns 31a to 31d parallel to each other, and vertically. It has a horizontal first upper girder 31e disposed between the upper ends of the pillars 31a and 31b, and a horizontal second upper girder 31f disposed between the upper ends of the vertical pillars 31c and 31d. The first lower girders are disposed between the lower ends of the vertical pillars 31a and 31bc. The second lower girders are disposed between the lower ends of the vertical pillars 31c and 31d.

The first lower girders and the first upper girders 31e are arranged along the first diagonal line 4a of the car 4 in the vertical projection plane. The 2nd lower girder and the 2nd upper girder 31f are arrange | positioned along the 2nd diagonal 4b of the cage | basket | car 4 in a vertical projection surface. In other words, the first lower girders and the second lower girders cross each other at the lower part of the cage 7. In addition, the first upper girders 31e and the second upper girders 31f cross each other on the upper side of the cage 7.

The vertical columns 31a and 31b are disposed along the first and second chamfers 21a and 21b. That is, the vertical columns 31a and 31b are disposed in the space adjacent to the chamfers 21a and 21b. Moreover, the back surface of the vertical pillars 31a and 31b is joined to the 1st and 2nd chamfer 21a, 21b. Moreover, the cage | basket | car 7 is being fixed to the vertical column 31a, 31b by the 1st and 2nd chamfer 21a, 21b through fasteners, such as a bolt.

The vertical pillars 31c and 31d are disposed along the third and fourth chamfers 21c and 21d. That is, the vertical columns 31c and 31d are arrange | positioned in the space adjacent to the chamfer 21c, 21d. Moreover, the back surface of the vertical pillars 31c and 31d is joined to the 3rd and 4th chamfer 21c, 21d. The cage 7 is fixed to the vertical columns 31c and 31d by the third and fourth chamfers 21c and 21d through fasteners such as bolts.

The 1st and 2nd rope connection parts 8a and 8b protrude in the width direction outer side of the cage | basket | car 4 from the 1st and 2nd side surface 7c, 7d in a vertical projection surface. The other configuration is the same as that in the first embodiment.

In such an elevator apparatus, since the vertical columns 31a-31d are arrange | positioned at the four corners of the cage | basket | car 4, the strength of the cage | basket | car 31 can be raised. In addition, since the first lower girders and the second lower girders cross each other and the first upper girders 31e and the second upper girders 31f cross each other, the strength of the cage frame 31 is further increased. It can increase.

Moreover, the rope connection parts 8a and 8b can also be arrange | positioned so that it may protrude from the chamfer 21c and 21d similarly to Embodiment 1. As shown in FIG.

Embodiment 3.

Next, FIG. 7: is a top view which shows the elevator apparatus by Embodiment 3 of this invention, FIG. 8 is a perspective view which shows the cage | basket | car of FIG. 7, and FIG. 9 is a principal sectional drawing of the elevator car of FIG. In this example, the upper girders are omitted by increasing the rigidity of the ceiling portion 7f of the cage 7 and the lower girders are omitted by increasing the rigidity of the cage floor 7e. have. In other words, the ceiling portion 7f and the car bottom 7e serve as part of the car frame. The other configuration is the same as that in the first embodiment.

According to such an elevator apparatus, by omitting upper girders and lower girders, the vertical dimension of the cage | basket | car 4 can be made small, and the vertical dimension of the hoistway 1 can be made small.

Embodiment 4.

Next, FIG. 10: is a perspective view which shows the cage | basket | car of the elevator apparatus by Embodiment 4 of this invention. In the figure, first to fourth reinforcing members (diagonal-bracing) 32a to 32d are provided between the car floor platform 22 and the vertical columns 6b and 6c. The other configuration is the same as that in the first embodiment.

FIG. 11: is explanatory drawing which shows typically the structure of the cage | basket | car 6 of FIG. By installing the reinforcing members 32a to 32d, the intersections E and F between the upper girders 6d and the vertical columns 6b and 6c and the points A and B at the four corners of the car floor platform 22. , C, D are substantially connected by the reinforcing members 32a to 32d, and the strength of the cage 6 is increased. That is, all the strength members other than the car floor platform 22 form the triangular strength spaces (ΔEAB, ΔEBC, ΔEFA, ΔECF, ΔFCD, ΔFDA), and are composed of points A to F. Since the constituent body is constructed, a high-strength structure can be configured despite the simple structure.

Embodiment 5.

Next, FIG. 12 is a top view which shows the elevator apparatus by Embodiment 5 of this invention. In the figure, first and second recesses 33a and 33b are provided on side surfaces 7c and 7d of the cage 7. The 1st and 2nd recessed parts 33a and 33b are provided continuously along the elevating direction (up-down direction) of the cage | basket | car 4. That is, the 1st and 2nd recessed parts 33a and 33b are formed in groove shape.

By providing the 1st and 2nd recessed parts 33a and 33b, some protrusion is formed in the cage | basket | car 6. However, these protrusions are not enough to affect the passenger's yard.

At least a part of the vertical columns 6b and 6c is disposed in the recesses 33a and 33b. In this example, the entirety of the vertical pillars 6b and 6c is housed in the recesses 33a and 33b. At least a part of the car guide shoes 20a and 20b is arrange | positioned in the groove part 6h of the vertical pillars 6b and 6c. In this example, the whole cage guide shoes 20a and 20b are accommodated in the groove part 6h. In this example, the entire cage guide rails 2a and 2b are also housed in the groove 6h.

The 1st and 2nd recessed parts 33a and 33b are provided in the same position of the cage | basket | car 6 in the depth direction. Therefore, the vertical columns 6b and 6c are also provided at the same position in the depth direction of the cage | basket | car 6. As a result, the upper girders 6d and the lower girders (not shown) of the cage 6 are arranged in parallel in the width direction of the cage 4.

The 1st and 2nd rope connection parts 8a and 8b protrude from the 1st side surface 6c and the 2nd side surface 6d in the vertical projection surface. Moreover, the 1st and 2nd rope connection parts 8a and 8b are arrange | positioned in the position which is symmetrical or substantially symmetrical with respect to the center of the cage | basket | car 4 in a vertical projection surface.

Moreover, the 1st rope connection part 8a is arrange | positioned ahead of the 1st cage guide rail 2a with respect to the depth direction of the cage 4. The 2nd rope connection part 8b is arrange | positioned behind the 2nd cage guide rail 2b with respect to the depth direction of the cage 4.

In Embodiment 1, although the vertical pillars 6b and 6c were arrange | positioned along the chamfer 21a, 21b provided in the corner part of the cage | basket | car 7, the side surfaces 7c and 7d of the cage | basket | car 7 are provided. Even when the recesses 33a and 33b are provided in the recesses and the vertical columns 6b and 6c are disposed in the recesses 33a and 33b, the vertical columns (from the side surfaces 7c and 7d of the cage 7) 6b and 6c do not protrude, and the installation space of the elevator apparatus in the width direction of the cage | basket | car 4 can be made small, and an elevator space can be reduced further.

In addition, in Embodiment 5, although recessed part 33a, 33b was provided in the same position of the depth direction of the cage | basket | car 4, recessed part 33a and 33b may be provided alternately back and forth.

In addition, instead of the chamfered portion as shown in the first embodiment, the concave portion as shown in the fifth embodiment may be provided at the corner of the cage and the vertical column may be accommodated in these recessed portions.

In addition, although the rope connection parts 8a and 8b were divided into two places and arrange | positioned in the said example, only one place may be sufficient as a rope connection part. Moreover, you may provide a rope connection part to an upper girder, for example.

Moreover, although the elevator apparatus of the 1: 1 roping system was shown in the said example, the roping system is not limited to this, For example, this invention is applicable also to the elevator apparatus of a 2: 1 roping system. .

In addition, when the counterweight is located at the same height as the car, the balance weight may be arranged next to the car so as to face one side of the car.

Moreover, in the above example, although the drive apparatus showed the elevator apparatus without a machine room arrange | positioned in a hoistway, this invention is applicable also to the elevator apparatus provided with a drive apparatus and a control panel in a machine room.

Further, in the above example, the driving device is arranged so that the rotational axis of the driving sheave is vertical or approximately vertical, but the arrangement of the driving device is not limited to this, and for example, the rotational axis of the driving sheave may be arranged horizontally. .

In the above example, the drive device is disposed so that the drive sheave is located above the drive body, but on the contrary, the drive device may be arranged so that the drive sheave is located below the drive body.

In the above example, the drive device is disposed above the hoistway, but the position of the drive device is not limited to this, and may be arranged below the hoistway, for example. Moreover, this invention is applicable also to the self-propelled elevator apparatus in which a drive apparatus is mounted in the upper part or the lower part of a car.

In addition, as the main rope, for example, a rope having a circular cross section, a belt-shaped rope, or the like can be used.

As the main rope, for example, a steel rope or a resin coated rope in which an outer layer covering made of a high friction resin material is provided on the outer circumference portion can be used. By using a coated resin rope, a large traction force can be secured with a small winding angle. In addition, the resin-coated rope can increase the flexibility than the simple steel roll, so that the diameter of the drive sheave can be reduced.

In addition, the device (drive device, return pulley, turning pulley, etc.) arrange | positioned at the upper part of the hoistway 1 may be mounted in a common support frame, and may be unitized.

Moreover, this invention is applicable to various elevator apparatuses, such as a one-shaft-multi-car system elevator apparatus and a double-deck elevator.

As described above, the present invention can be used for an elevator device in which a car having a car frame and a car compartment supported by the car frame moves up and down inside the hoistway.

Claims (13)

A car cage having a car frame and a car compartment supported by the car frame, and elevating the inside of the hoistway; A chamfer is installed at the corner of the cage, The elevator frame has a vertical column arranged along the chamfer. The method of claim 1, The chamfer portion includes a first and a second chamfer portion located at the diagonal of the car compartment, The vertical column is an elevator apparatus including a first vertical column disposed along the first chamfer and a second vertical column disposed along the second chamfer. The method of claim 2, An elevator apparatus provided in the hoistway so as to face the first and second vertical pillars, and further comprising first and second car guide rails for guiding the hoisting of the car. The method of claim 3, wherein The said 1st and 2nd vertical column is equipped with the 1st and 2nd cage guide shoes which engage with the said 1st and 2nd cage guide rails, The elevator apparatus. The method of claim 3, wherein Grooves extending continuously in the vertical direction are formed on surfaces facing the first and second car guide rails of the first and second vertical columns, and within the grooves, the first and second elevators. An elevator device in which at least a portion of the first and second cage guide shoes that engage the cage guide rails are disposed. The method of claim 3, wherein Grooves extending continuously in the vertical direction are formed on surfaces facing the first and second car guide rails of the first and second vertical columns, and within the grooves, the first and second elevators. An elevator device in which at least a portion of a cage guide rail is disposed. The method of claim 3, wherein An emergency stop device mounted on the car and engaged with the first and second car guide rails to emergency stop the car; On the surface of the first and second vertical pillars facing the first and second car guide rails, groove portions extending continuously in the vertical direction are formed, At least a portion of the emergency stop device in the vertical projection surface is disposed in the groove portion. The method of claim 2, The cage frame is disposed between the upper end portions of the first and second vertical pillars, and has an upper girder arranged along the diagonal of the cage in a vertical projection plane. The method of claim 2, The cage frame is disposed between the lower ends of the first and second vertical pillars, and has a lower girder arranged along the diagonal of the cage in a vertical projection plane. The method of claim 1, The chamfer portion includes first and second chamfer portions positioned at one diagonal of the cage and third and fourth chamfer portions positioned at the other diagonal, The vertical column, the elevator device including a first to a fourth vertical column disposed along the first to the fourth chamfer, respectively. The method of claim 10, The car frame includes a first upper girder disposed between the upper ends of the first and second vertical pillars, and a second interposed between the upper ends of the third and fourth vertical pillars and intersects with the first upper girder. An elevator device comprising an upper girder. The method of claim 10, The car frame includes a first lower girder disposed between the lower ends of the first and second vertical pillars, and a second interposed intersecting the first lower girders between the lower ends of the third and fourth longitudinal pillars. Elevator device comprising a lower girder. A car cage including a vertical column and a car compartment supported by the car cabinet, and elevating the inside of the hoistway; The recessed part is provided in the side surface of the said cage | basket | car compartment, At least one portion of the vertical column is disposed in the recess.

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