JP2001080842A - Elevator equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an elevator equipment easily materializing a structure placing a hoist at the interior of a hoistway at its upper part even if a car is a small type and capable of reducing construction costs for the hoistway. SOLUTION: The elevation of a car 3 is guided by means of a rail 13. The elevation of a counterweight 4 is guided by means of a rail 14. A hoist cable 10 is suspended in the hoistway 1, with one side connecting to the car, the other side to the counterweight 4, respectively. A hoist 5 pivotally supporting a driving shieve 6 winding the hoist cable 10 is mounted on the hoistway 1 at its upper end. The lower surface is placed at a portion above from the uppermost elevated positions of the car 3 and the counterweight 4. In a horizontal projected surface, the hoist cable 10 is placed upon the car 3. Thus, the hoist 5 is placed in a plane shape formed by the car 3 and the counterweight 4, reducing the cross sectional area of the hoistway and saving a space for an elevator in a building.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus for driving a main rope having both ends connected to a car and a counterweight by a hoisting machine installed at an upper portion in a hoistway.

[0002]

2. Description of the Related Art FIG. 7 shows, for example, Japanese Patent Application Laid-Open No. 8-208152.
FIG. 1 is a perspective view conceptually showing a conventional elevator apparatus similar to the configuration shown in Japanese Unexamined Patent Publication. In the drawing, 1 is a hoistway, and 2 is a rail set up on the hoistway 1 apart from each other. Three
Is a car whose one side is guided by the rail 2 to move up and down a predetermined route of the hoistway 1, and 4 is a car arranged between the rails 2 and
And lift up and down another predetermined route of the hoistway 1.

[0003] Reference numeral 5 denotes a hoist, which is provided with a drive sheave 6 mounted near the ceiling of the hoistway 1 and arranged above the counterweight 4 and supported by a horizontal axis. ing. 7 is a first car pulley provided on one side of the lower part of the car 3, 8 is a second car pulley provided on the other side of the lower part of the car 3, 9 is a counterweight provided on an upper part of the counterweight 4. It is a pulley.

[0004] Reference numeral 10 denotes a main rope, one end of which is connected to the upper part of the hoistway 1 by a first rope stopper 11 disposed on the ceiling of the hoistway 1 corresponding to the first pulley 7 of the car, and descends. The first pulley 7 and the car, the second pulley 8, are lifted and wound around the drive sheave 6, are lowered, are wrapped around the counterweight pulley 9, are raised, and the other end is on the counterweight pulley 9. Correspondingly, it is connected to the upper part of the hoistway 1 by a second rope stopper 12 arranged on the ceiling of the hoistway 1.

The conventional elevator apparatus is constructed as described above, and the hoisting machine 5 is energized to rotate the drive sheave 6 so that the car 3 and the counterweight 4 move in opposite directions via the main rope 10. Go up and down. Further, the hoisting machine 5 is installed in the upper part of the hoistway 1, so that a machine room independently provided is omitted, and the space for the elevator device in the building is saved.

[0006]

In the conventional elevator apparatus as described above, a hoisting machine 5 is provided at a position above the counterweight 4, and is connected to the second pulley 8 from the second pulley 8 in FIG. For example, the dimension A of the car 3 shown in FIG. That is, the diameter of the drive sheave 6, the second car pulley 8, and the counterweight pulley 9 must be 36 to 40 times the diameter of the main rope 10 in order to reduce the wear of the main rope 10. For this reason, there is a problem that it is difficult to install the car 3 having a short dimension A.

The present invention has been made in order to solve such a problem, and an elevator apparatus which can easily realize a configuration in which a hoist is arranged at an upper portion in a hoistway even if a car is small. The purpose is to gain.

[0008]

In the elevator apparatus according to the present invention, the elevator is guided by a rail set up on a hoistway and the elevator is guided by another rail set up on a hoistway. A suspended weight, a main rope suspended from the hoistway and connected to the car on one side and connected to the balanced weight on the other side, and a drive sheave around which the main rope is wound are provided at an upper end of the hoistway. And a hoisting machine, the lower surface of which is disposed above the highest position of the car and the counterweight, and the car and at least a part of which are overlapped on the horizontal projection plane.

In the elevator apparatus according to the present invention, the hoist is supported at the upper end of the rail via a hoist support.

[0010] In the elevator apparatus according to the present invention, a counterweight is disposed on the rear side of the car, and a main rope is connected to the rear side of the car.

Further, in the elevator apparatus according to the present invention, the balance weight is provided so as to extend longitudinally on one side in the width direction, the openings are arranged facing the car, and the cage is projected from the car into the recess. A connected body to which the main ropes are connected is arranged.

Further, in the elevator apparatus according to the present invention, the main rope is connected to the position of the center of gravity on the plane of the counterweight.

Further, in the elevator apparatus according to the present invention, the car is guided via the side surface by the car rails which are erected on one side surface and is erected between the car rails. The counterweight is guided by the counterweight rail, and a connecting body protruding from the car and connected to the main rope is disposed between the counterweight rail and the car rail.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a conceptual perspective view showing an example of an embodiment of the present invention. In the figure, reference numeral 1 denotes a hoistway, and 13 denotes a car rail which is arranged in parallel with the hoistway 1 apart from each other. Reference numeral 3 denotes a car, which is provided with an entrance 301 on the front surface, and both sides are guided by the car rails 13 to move up and down a predetermined path of the hoistway 1.

Numeral 4 denotes a counterweight, which is provided on the rear side of the car 3 in the hoistway 1 and is arranged between the counterweight rails 14 which are spaced apart from and parallel to each other and erected on the hoistway 1. Is guided by the counterweight rail 14 to move up and down another predetermined path of the hoistway 1. Reference numeral 15 denotes a recess vertically provided on one side in the width direction of the counterweight 4, and an opening thereof is arranged to face the car 3.

Reference numeral 16 denotes a hoisting machine support, which protrudes from the upper end wall surface of the hoistway 1 and is disposed on the upper end of the counterweight rail 14. Reference numeral 5 denotes a hoist, which is supported by a hoist support 16 and has at least a part of a horizontal projection plane, that is, an electric motor 17 and the like superposed on the car 3, and a lower surface of the car 3 and the counterweight 4 A drive sheave 6 is provided above the highest position and pivoted via a horizontal axis.

Reference numeral 18 denotes a connecting member which projects from the lower surface of the car 3 and is disposed at a position corresponding to the recess 15 of the counterweight 4 and is disposed at the center of the car 3 in the frontage direction. Reference numeral 10 denotes a main rope, one end of which is connected to the connecting body 18, rises, is wound around the drive sheave 6, and descends, and the other end is connected to the counterweight 4.

In the elevator apparatus constructed as described above, the hoisting machine 5 is energized, the drive sheave 6 rotates, and the car 3 and the counterweight 4 move up and down in opposite directions via the main rope 10. I do. Then, the connecting body 18 on the car 3 side is disposed at a position corresponding to the inside of the recess 15 of the counterweight 4, and at least a part of the hoisting machine 5 is disposed so as to overlap the car 3 on a horizontal projection plane, and Basket 3 and counterweight 4
Is disposed above the highest position of the.

Thus, the car 3 and the counterweight 4
Most of the hoisting machine 5 can be arranged in the plane shape formed by the above, and the cross-sectional area of the hoistway 1 can be reduced. For this reason, the volume of the hoistway 1 can be reduced, and the hoisting machine 5 can be installed in the upper part of the hoistway 1 to eliminate the machine room that is provided independently, and also combined with the elevator device in the building. And space required for installation of the elevator device can be saved.

A counterweight 4 is arranged on the back side of the car 3 and a main rope 10 is connected to the back side of the car 3. Thus, the counterweight 4 can be easily arranged without widening the frontage of the hoistway 1. Therefore, the elevator device can be installed on the hoistway 1 having a narrow frontage, the degree of freedom of the arrangement of the elevator device in the building is improved, and the space of the building can be used effectively.

Further, the main rope 10 is provided vertically extending on one side in the width direction of the counterweight 4 so that the opening is disposed to face the car 3 and protruded from the car 3 to the recess 15 to connect the main rope 10 thereto. The connected body 18 is arranged. For this reason, the depth dimension of the hoistway 1 can be shortened, the space for the elevator device in the building can be saved, and the construction cost required for the installation space of the elevator device can be saved. In addition, since the connecting body 18 is arranged at the center position in the frontage direction of the car 3, the uneven load acting on the car 3 is reduced to improve the riding comfort, and the wear of the elevator guides such as the car rail 13 is reduced. The cost can be saved because of the reduction.

Embodiment 2 FIG. FIG. 2 is a conceptual perspective view showing an example of another embodiment of the present invention. In the figure, the same reference numerals as those in FIG. 1 described above denote corresponding parts. Reference numeral 19 denotes a support frame supported by a hoisting machine support 16, which is made of a steel material assembled in a square shape and which is above the car 3 and the counterweight 4. Is located in the position.

Reference numeral 5 denotes a hoisting machine, which is supported by the support frame 19 and at least partially overlaps the car 3 on the horizontal projection plane, and whose lower surface is higher than the highest position of the car 3 and the counterweight 4. A drive sheave 6 arranged above and pivoted via a vertical axis is provided. Reference numeral 20 denotes a car-side pulley, which is pivotally attached to a support frame 19 via a horizontal axis and is disposed at an upper position corresponding to the connecting body 18.

Reference numeral 21 denotes a counterweight pulley, which is a support frame 19.
And is disposed at an upper position corresponding to the counterweight 4 by being pivotally connected via a horizontal axis. Reference numeral 10 denotes a main rope, one end of which is connected to the connecting body 18, rises and is wound around the car side pulley 20, is stretched horizontally, is wound around the drive sheave 6, and is wound around the counterweight side pulley 21. And the other end is connected to the counterweight 4.

In the elevator apparatus configured as described above, the hoisting machine 5 is energized, the drive sheave 6 rotates, and the car 3 and the counterweight 4 move up and down in opposite directions via the main rope 10. I do. Then, the connecting body 18 on the car 3 side is disposed at a position corresponding to the inside of the recess 15 of the counterweight 4, and at least a part of the hoisting machine 5 is disposed so as to overlap the car 3 on a horizontal projection plane, and Basket 3 and counterweight 4
Is disposed above the highest position of the.

Thus, the car 3 and the counterweight 4
The support frame 19 and the hoisting machine 5 can be arranged in the planar shape formed by the above, and the cross-sectional area of the hoistway 1 can be reduced. Therefore, although detailed description is omitted, the same operation as the embodiment of FIG. 1 can be obtained in the embodiment of FIG.

Embodiment 3 FIG. 3 is a conceptual perspective view showing an example of another embodiment of the present invention. In the drawing, the same reference numerals as those in FIG. 1 described above denote corresponding parts, and reference numeral 5 denotes a hoisting machine, which is supported at the upper end of a counterweight rail 14 via a hoisting machine support 16.

In the elevator apparatus constructed as described above, the hoisting machine 5 is energized, the drive sheave 6 rotates, and the car 3 and the counterweight 4 move up and down in the opposite directions via the main rope 10. I do. Then, the connecting body 18 on the car 3 side is disposed at a position corresponding to the inside of the recess 15 of the counterweight 4, and at least a part of the hoisting machine 5 is disposed so as to overlap the car 3 on a horizontal projection plane, and Basket 3 and counterweight 4
Is disposed above the highest position of the.

Thus, the basket 3 and the counterweight 4
The support frame 19 and the hoisting machine 5 can be arranged in the planar shape formed by the above, and the cross-sectional area of the hoistway 1 can be reduced. Therefore, although detailed description is omitted, the same operation as the embodiment of FIG. 1 can be obtained in the embodiment of FIG. In the embodiment of FIG. 3, the hoisting machine 5 is supported on the counterweight rail 14, that is, the upper end of the rail, so that the load acting on the hoisting machine 5 acts on the frame of the hoistway 1. The structure of the hoistway 1 can be made lighter and the construction cost can be reduced.

Embodiment 4 FIG. 4 is also a conceptual perspective view showing an example of another embodiment of the present invention. In the figure, the same reference numerals as those in FIG. 2 described above denote corresponding parts, and 19 is a support frame, which is a car rail 13 and a counterweight rail 14.
It is supported on the upper end.

In the elevator apparatus constructed as described above, the hoisting machine 5 is energized, the drive sheave 6 rotates, and the car 3 and the counterweight 4 move up and down in opposite directions via the main rope 10. I do. Then, the connecting body 18 on the car 3 side is disposed at a position corresponding to the inside of the recess 15 of the counterweight 4, and at least a part of the hoisting machine 5 is disposed so as to overlap the car 3 on a horizontal projection plane, and Basket 3 and counterweight 4
Is disposed above the highest position of the.

Thus, the car 3 and the counterweight 4
The support frame 19 and the hoisting machine 5 can be arranged in the planar shape formed by the above, and the cross-sectional area of the hoistway 1 can be reduced. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIG. 2 can be obtained in the embodiment of FIG.

In the embodiment shown in FIG. 4, the hoisting machine 5 is supported on the car rail 13 and the counterweight rail 14 via the support frame 19, that is, the upper end of the rail. The load acting on the hoistway 1 does not act on the frame of the hoistway 1, and the structure of the hoistway 1 can be made lighter and the construction cost can be reduced.

Embodiment 5 FIG. 5 also shows an example of another embodiment of the present invention, and is an enlarged view corresponding to the cross-sectional plan view of the main part of FIG. 1 described above. Except for FIG. 5, the elevator apparatus is configured similarly to the embodiment of FIG. In the figure, the same reference numerals as those in FIG.
Is a main rope, and the counterweight 4 side is connected to the position of the center of gravity in the plane of the counterweight 4.

In the elevator apparatus configured as described above, the hoisting machine 5 is energized, the drive sheave 6 rotates, and the car 3 and the counterweight 4 move up and down in opposite directions via the main rope 10. I do. Then, the connecting body 18 on the car 3 side is disposed at a position corresponding to the inside of the recess 15 of the counterweight 4, and at least a part of the hoisting machine 5 is disposed so as to overlap the car 3 on a horizontal projection plane, and Basket 3 and counterweight 4
Is disposed above the highest position of the.

Thus, the car 3 and the counterweight 4
The support frame 19 and the hoisting machine 5 can be arranged in the planar shape formed by the above, and the cross-sectional area of the hoistway 1 can be reduced. Therefore, although detailed description is omitted, the same operation as the embodiment of FIG. 1 can be obtained in the embodiment of FIG.

In the embodiment shown in FIG. 5, the counterweight 4 is suspended by the main rope 10 at the position of the center of gravity in the plane of the counterweight 4. Therefore, the unbalanced load acting on the counterweight rail 14 is reduced, and the lifting resistance of the counterweight 4 is small, and the loss of lifting energy is reduced. Therefore, the motor 17 of the hoisting machine 5 can be downsized,
In addition, wear of the lifting guides such as the counterweight rails 14 is reduced, and costs can be reduced.

Embodiment 6 FIG. FIG. 6 also shows an example of another embodiment of the present invention, and is an enlarged view corresponding to the cross-sectional plan view of the main part of FIG. 1 described above. Except for FIG. 6, the elevator apparatus is configured similarly to the embodiment of FIG. In the drawing, the same reference numerals as those in FIG. 1 denote corresponding parts, and reference numeral 3 denotes a car, one side surface of which is guided by a car rail 13 erected from the side surface so as to move up and down. 4
A counterweight is provided between the car rails 13 at a position corresponding to one side surface of the car 3.

In the elevator apparatus constructed as described above, the hoisting machine 5 is energized, the drive sheave 6 rotates, and the car 3 and the counterweight 4 move up and down in the opposite directions via the main rope 10. I do. The connecting body 18 on the side of the car 3 protrudes from the side and is disposed between the counterweight rail 14 and the car rail 13. Further, at least a part of the hoisting machine 5 is arranged so as to overlap the car 3 on the horizontal projection plane, and the lower surface is arranged above the highest position of the car 3 and the counterweight 4.

Thus, the car 3 and the counterweight 4
The support frame 19 and the hoisting machine 5 can be arranged in the planar shape formed by the above, and the cross-sectional area of the hoistway 1 can be reduced. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIG. 1 can be obtained in the embodiment of FIG.

Further, in the embodiment shown in FIG. 6, a counterweight 4 is arranged at a position corresponding to one side of the car 3, and the position corresponding to the side of the car 3 is suspended by the main rope 10 via a connecting body 18. Be held. For this reason, even if the car 3 has a long depth, the unbalanced load acting on the car rail 13 is reduced, and the lifting resistance of the car 3 is reduced, so that the loss of the lifting energy is reduced.

Accordingly, the size of the motor 17 of the hoisting machine 5 can be reduced, and the wear of the elevator guides such as the car rails 13 can be reduced, thereby reducing costs. Further, a counterweight 4 is provided at a position corresponding to one side surface of the car 3, and is disposed between the car rails 13. Therefore, the cross-sectional area of the hoistway 1 can be effectively used,
The space for the elevator device in the building can be saved, and the construction cost can be saved.

[0043]

As described above, according to the present invention, the lifting weight is guided by the rail erected on the hoistway, and the lifting weight is guided by the other rail erected on the hoistway. And a main rope suspended from the hoistway and one side connected to the car on the other side and connected to the counterweight, and a drive sheave around which the main rope is wound is provided at the upper end of the hoistway. And a hoisting machine, the lower surface of which is disposed above the highest position of the car and the counterweight, and the car and at least a part of which are overlapped on the horizontal projection plane.

Thus, most of the hoisting machine can be arranged in the plane formed by the car and the counterweight, and the cross-sectional area of the hoistway can be reduced. For this reason, the volume of the hoistway can be reduced, and the space for the elevator device in the building can be saved in combination with the installation of the hoisting machine in the upper part of the hoistway and the elimination of the machine room provided independently. Therefore, the construction cost required for the installation space for the elevator device can be reduced.

As described above, the present invention is such that the hoist is supported at the upper end of the rail via the hoist support.

Thus, most of the hoisting machine can be arranged in the plane formed by the car and the counterweight, and the cross-sectional area of the hoistway can be reduced. For this reason, the volume of the hoistway can be reduced, and the space for the elevator device in the building can be saved in combination with the installation of the hoisting machine in the upper part of the hoistway and the elimination of the machine room provided independently. Therefore, the construction cost required for the installation space for the elevator device can be reduced. In addition, the load acting on the hoist does not act on the skeleton of the hoistway, so that the structure of the hoistway can be made lighter and the construction cost can be reduced.

As described above, according to the present invention, a counterweight is arranged on the rear side of the car, and the main rope is connected to the rear side of the car.

As a result, most of the hoist can be arranged in the plane formed by the car and the counterweight, and the cross-sectional area of the hoistway can be reduced. For this reason, the volume of the hoistway can be reduced, and the space for the elevator device in the building can be saved in combination with the installation of the hoisting machine in the upper part of the hoistway and the elimination of the machine room provided independently. Therefore, the construction cost required for the installation space for the elevator device can be reduced. In addition, the counterweight can be easily arranged without widening the shaft of the hoistway, and the elevator device can be installed on the hoistway with a narrow frontage. This has the effect of improving the use efficiency of the building space.

Further, as described above, the present invention is provided so as to extend longitudinally on one side in the width direction of the counterweight, to have the opening facing the car, and to project from the car into the recess. It is one in which a connected body in which main ropes are connected is arranged.

As a result, most of the hoist can be arranged in the plane formed by the car and the counterweight, and the cross-sectional area of the hoistway can be reduced. For this reason, the volume of the hoistway can be reduced, and the space for the elevator device in the building can be saved in combination with the installation of the hoisting machine in the upper part of the hoistway and the elimination of the machine room provided independently. Therefore, the construction cost required for the installation space for the elevator device can be reduced. In addition, a connector protruding from the car is disposed in the recess of the counterweight. For this reason, the depth dimension of the hoistway can be shortened, the space for the elevator device in the building can be saved, and the construction cost required for the installation space of the elevator device can be reduced.

Further, as described above, the present invention is such that the main rope is connected to the position of the center of gravity on the plane of the counterweight.

Thus, most of the hoist can be arranged in the plane formed by the car and the counterweight, and the cross-sectional area of the hoistway can be reduced. For this reason, the volume of the hoistway can be reduced, and the space for the elevator device in the building can be saved in combination with the installation of the hoisting machine in the upper part of the hoistway and the elimination of the machine room provided independently. Therefore, the construction cost required for the installation space for the elevator device can be reduced. Also, since the main rope is connected to the position of the center of gravity in the plane of the counterweight, the unbalanced load acting on the rail for the counterweight is reduced, and the lifting resistance of the counterweight is reduced, so the loss of lifting energy is reduced. . Therefore,
The motor of the hoist can be miniaturized, and there is an effect that the wear of the elevating guides such as the counterweight rails is reduced and the cost is reduced.

Further, as described above, according to the present invention, the car is guided through the side surface by the car rails which are erected on one side and separated from each other, and is erected between the car rails. A counterweight is guided by a counterweight rail, and a connecting body protruding from a car and connected to a main rope is arranged between the counterweight rail and the car rail.

As a result, most of the hoist can be arranged in the plane formed by the car and the counterweight, and the cross-sectional area of the hoistway can be reduced. For this reason, the volume of the hoistway can be reduced, and the space for the elevator device in the building can be saved in combination with the installation of the hoisting machine in the upper part of the hoistway and the elimination of the machine room provided independently. Therefore, the construction cost required for the installation space for the elevator device can be reduced. In addition, a counterweight is disposed at a position corresponding to one side surface of the car, and a position corresponding to the side surface of the car is hung on the main rope via a connector. For this reason, the eccentric load acting on the car rail is reduced even for a car with a long depth,
Since the lifting resistance of the car is reduced, the loss of lifting energy is reduced. Therefore, the motor of the hoist can be miniaturized, and the wear of the elevator guides such as the car rails can be reduced, thereby reducing costs. In addition, a counterweight is provided at a position corresponding to one side surface of the car, and is disposed between the car rails. For this reason, the cross-sectional area of the hoistway can be used effectively, and the space for the elevator device in the building can be saved, and the construction cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a conceptual perspective view showing Embodiment 1 of the present invention.

FIG. 2 is a conceptual perspective view showing Embodiment 2 of the present invention.

FIG. 3 is a conceptual perspective view showing a third embodiment of the present invention.

FIG. 4 is a conceptual perspective view showing a fourth embodiment of the present invention.

FIG. 5 is a view showing a fifth embodiment of the present invention, and is an enlarged view corresponding to the cross-sectional plan view of the main part of FIG. 1 described above.

FIG. 6 is a view showing a sixth embodiment of the present invention, and is an enlarged view corresponding to the cross-sectional plan view of the main part of FIG. 1 described above.

FIG. 7 is a perspective view conceptually showing a conventional elevator device.

[Explanation of symbols]

1 hoistway, 3 cars, 4 counterweights, 5 hoisting machines, 6 drive sheaves, 10 main ropes, 13 cage rails (rails), 14 counterweight rails (rails), 15
Recess, 18 connectors.

Claims (6)

[Claims] 1. A lifting weight guided by a rail set up on a hoistway, a balance weight guided by another rail set up on the hoistway, and a suspended weight suspended on the hoistway. One side is connected to the car and the other side is provided with a main rope connected to the balance weight, and a drive sheave around which the main rope is wound is provided at an upper end of the hoistway. An elevator apparatus comprising: a hoisting machine disposed above the highest position of the car and the counterweight, and the car and at least a part of the car are overlapped on a horizontal projection plane. 2. The elevator apparatus according to claim 1, wherein the hoist is supported at an upper end of the rail via a hoist support. 3. The car weight according to claim 1, wherein the counterweight is disposed on the rear side of the car, and a main rope is connected to the rear side of the car. Elevator equipment. 4. A connecting body protruding from a car and connected to a main rope is provided vertically through one side in the width direction of the counterweight, and an opening is disposed opposite to the car to form a recess. The elevator device according to any one of claims 1 to 3, wherein the elevator device is arranged. 5. The elevator apparatus according to claim 1, wherein a connecting position of the main rope in the counterweight is located at a position of the center of gravity in a plane of the counterweight. 6. A car is guided through the side surface by a car rail erected on one side surface at a distance from each other,
The balance weight is guided by the balance weight rails erected between the car rails, and a connecting body protruding from the cage and connected to the main rope is connected to the balance weight rails. The elevator apparatus according to any one of claims 1, 2 and 5, wherein the elevator apparatus is disposed between the car rail and the car rail.