JP2001122552A - Elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator dispensing with the installation of a pit, etc., in the bottoms of the connecting part in a vertical part and a gentle inclined part, or a horizontal connecting part and improving the driving speed in the connecting part. SOLUTION: This elevator is so constituted that a raising hoistway A of one stage upper of the lowest floor is formed into a vertical part B, a hoistway between the lowest floor and the one stage upper of the lowest floor is set to a bent part C, and the hoistway of the lowest floor is formed of a horizontal part D.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a case in which a buried object is located below the lowest floor by forming a curved section between the lowermost floor of the elevator hoistway and the uppermost floor of the lowest floor. However, the present invention relates to an elevator that can be installed without providing a pit and that can improve the operation speed at a curved portion of a hoistway.

[0002]

2. Description of the Related Art As a conventional example of this kind, as disclosed in Japanese Patent Application Laid-Open No. 4-209184, for example, a hoistway having a steeply inclined portion and a gentle inclined portion or a horizontal portion is constituted. Things are known.

[0003]

The above prior art has the following problems.

First, when the hoistway is composed of a steep slope and a gentle slope or a horizontal section as described above, if the steep slope is formed almost vertically, the steep slope and the gentle slope or the slope are formed. A buffer area for abnormally increased speed, such as a pit, must be provided below the horizontal connection. For this reason, if there is a buried object or the like at the lower part of the above-mentioned joint, it is necessary to perform an operation such as removing it.

[0005] Second, at the connection between the steep slope and the gentle slope or the horizontal, the driving direction in the horizontal and vertical directions changes at an acute angle. Must be smaller.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide no pits or the like below a connecting portion between a vertical portion and a gentle inclined portion or a horizontal portion, and to provide the connecting portion. It is an object of the present invention to provide an elevator capable of improving a driving speed in a vehicle.

[0007]

The object of the present invention is to provide a hoistway on the uppermost floor of the lowermost floor as a vertical section, and a hoistway between the lowermost floor and the uppermost floor on the lowermost floor as a curved section, The hoistway of the lowest floor is formed by a horizontal part. Three-way rollers that engage the rails of the vertical portion, the curved portion, and the horizontal portion are formed on one of the upper and lower cages connected diagonally by a rotatable mounting shaft. It has a longitudinal roller which can be freely abutted on one of the upper and lower sides of the car connected diagonally. Also, the connection between the ride and the rope is defined as a rope gripper and a universal joint. The present invention is also achieved by that one of cables for supplying power and signals to the car is fixed near the middle of the vertical path, and the other is fixed to the upper part of the car. Alternatively, the cable for supplying the power and the signal may be attached to a cable winding device provided at the lower end of the horizontal portion, and one of the cables may be fixed to the lower portion of the car.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

In the drawing, A is a hoistway, 1 is a car, 1a
Vertical roller on the car, 1b is the horizontal roller on the car, 1c is the rotating roller bearing, 1d is the vertical free roller on the lower car, 1e is the vertical free roller on the car, 1f is the vertical roller on the lower car, 1g is the horizontal roller on the lower car, 1h is a car lower roller bearing, 2 is a guide rail, 2a is a vertical car guide rail, 2b is a curved car guide rail, 2c is a horizontal car guide rail, 3 is a rope, 4a is a curved rope guide roller, 5 Is a hoist, 6a
Is a shock absorber, and 7 is a cable.

In these figures, the hoistway A is formed of a vertical portion, a curved portion, and a horizontal portion. The guide rail 2 is installed in the hoistway A, the vertical guide rail 2a in a hoistway vertical part, the curved car guide rail 2b in a hoistway curved part, and the horizontal part car in a hoistway horizontal part. The guide rail 2c is formed. On the guide rail 2, the vertical roller 1a above the car and the horizontal roller 1b above the car are the rotating roller bearings 1c, and the vertical roller 1f below the car and the horizontal roller 1g below the car are the rotating rollers below the cage. 1
By h, the car 1 is engaged.

The car 1 has a lower vertical free roller 1d, a lower vertical free roller 1e corresponding to the vertical car guide rails 2a and 2a ', and the horizontal car guide rails 2c and 2c'. In contact, the running of car 1 is stabilized.

The vertical free roller 1d under the car abuts on the vertical guide rail 2a on the side of the car upper rotating roller bearing 1c in the vertical section of the hoistway to stabilize the running of the vertical section. When the car lower vertical free roller 1d travels from the vertical shaft portion to the vertical shaft curved portion, it separates from the guide rail 2a at the vertical shaft curved portion, reaches the horizontal horizontal shaft portion and reaches the horizontal horizontal portion. Abuts on the car guide rail 2c 'side,
The traveling of the car 1 in the horizontal section of the hoistway is stabilized.

In the vertical section of the hoistway, the vertical free roller 1e of the car abuts on the vertical guide rail 2a 'on the side of the lower roller roller 1h to stabilize the running of the vertical section of the hoistway. By moving, it separates from the guide rail 2a 'at the curved section of the hoistway, abuts on the horizontal section car guide rail 2c side at the horizontal section of the hoistway,
To stabilize the horizontal section of the hoistway.

The car 1 is connected to the rope 3 by a rope clip 1i via a universal joint 1j. The rope 3 is wound around the hoisting machine 5 by a rope suspending roller via the curved part rope guide roller 4a at the curved part of the hoistway, and the hoisting machine 5 is driven through the rope 3 by forward / reverse rotation. The car 1 moves in the hoistway.

The shock absorber 6a is provided in the shock absorber 6 at the end of the horizontal section of the hoistway. If the car 1 exceeds the rated speed limit for some reason, it absorbs shocks in the horizontal direction. It has become.

One of the cables 7 for supplying power and communicating signals to the car 1 is fixed to a vertical intermediate portion of the hoistway, and one is fixed to the upper part of the car 1.

Further, the cable 7 for performing the power supply and the signal communication includes a moving body 7b moving in a horizontal section of the hoistway,
A cable take-up device 7a constituted by a rod 7c and a take-up body 7d which abut on and move the car 1 at the horizontal portion may be provided at the end of the horizontal portion of the hoistway.

With the above configuration, it is not necessary to provide a pit, so that the pit excavation work when the manhole 8 or the underground burial 9 is located at the lower part of the lowest floor as in a normal elevator can be spent. If it is impossible to remove the underground buried part, it is not necessary to give up the elevator installation.

Further, by making the change in the driving direction between the horizontal direction and the vertical direction into a curve, it is possible to provide an elevator capable of improving the driving speed.

[0020]

As described above, according to the present invention, no pits or the like are provided below the connecting portion between the vertical portion and the gentle inclined portion or the horizontal portion, and the operating speed at the connecting portion is improved. A possible elevator could be provided.

[Brief description of the drawings]

FIG. 1 is an overall side view showing an embodiment of the present invention.

FIG. 2 is a perspective view of a car part showing one embodiment of the present invention.

FIG. 3 is a perspective view of a cable winding section showing one embodiment of the present invention.

[Explanation of symbols]

 A Hoistway 1 Car 1a Car vertical roller 1b Car horizontal roller 1c Car upper rotating roller bearing 1d Car lower vertical free roller 1e Car upper vertical free roller 2 Guide rail 2a Vertical car guide rail 2b Curved car guide rail 2c Horizontal car Guide rail 3 Rope 4a Curved portion rope guide roller 5 Hoisting machine 6a Shock absorber 7 Cable

Claims (6)

[Claims] 1. A hoistway that is at least one step above the lowest floor is a vertical part, and a hoistway between the lowest floor and one step above the lowest floor is a curved part,
An elevator having a hoistway on the lowest floor formed by a horizontal portion. 2. A three-way roller which engages rails of a vertical portion, a curved portion, and a horizontal portion is formed on one of a car diagonally connected by a rotatable mounting shaft and one of a car lower and a lower part of the car.
The elevator according to claim 1, further comprising a vertical roller abutting on one of the top of the car connected to the opposite diagonal and one of the bottom of the car. 3. The elevator according to claim 1, further comprising a rope guide roller for a car on a curved portion of the hoistway. 4. The elevator according to claim 1, wherein the connection between the rider and the rope is constituted by a rope gripper and a universal joint. 5. The elevator according to claim 1, wherein one of the signal and power supply cables is fixed near the middle of the vertical path, and the other is fixed to the upper part of the car. 6. One of the signal and power supply cables,
2. The elevator according to claim 1, wherein a cable winding device is provided at a lower end of the horizontal portion, and one of the devices is fixed to a lower portion of the car.