JPH05229768A - Two-way open cage for elevator - Google Patents

Abstract

PURPOSE:To provide a two-way open cage for an elevator which is less likely to generate deformation by a deflected load. CONSTITUTION:A cage frame 4 having a cage chamber 14 having entrance ports 7, 8 in two ways provided at a cage floor 3, and being engaged with main cable 11 and guide rails 1 to support the cage floor 3 is provided to be closer to one entrance port 7. A frame body 5 is provided standing from the cage floor to be closer to the other entrance port 8, and a connection material 6 of which both ends are connected to the basket frame 4 and the frame body 5 respectively and of which middle part is connected to the cage chamber 14 is provided. The cage frame 4, cage body 5, cage floor 3, and cage chamber 14 are integrated by the connection material 6 to support a deflected load applied on a cage. A desired regidity to the deflected load can thus be achieved by these cage members of a light and thin structure. The self-weight of the cage can thus be reduced to decrease a manufacture cost, and because other devices need not be large-sized, the production cost of an elevator can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a small capacity two-way elevator car.

[0002]

2. Description of the Related Art FIG. 4 and FIG.
It is a figure which shows the conventional two-way car for elevators shown by 5672 gazette. In the figure, (1) is a guide rail that is erected on both sides in front of an elevator hoistway (not shown), and (2) is pivotally attached to a member that connects the upper ends of the guide rails (1) on both sides. Pulleys, (3) is a car floor placed in the hoistway, (4) is a car frame supporting the gate-shaped non-carpet floor (3), and car frames provided on both sides of the front of the hoistway, (5) is A frame that is erected from the gateless floor (3) and is arranged on the other side facing the car frame (4), and (6) is a frame-shaped body provided with a reinforcing material at the corner, Both ends are connected to the car frame (4) and the frame body (5) respectively, (7) is the front doorway provided corresponding to the car frame (4), (8) is the frame body (5) Corresponding rear entrance,
(9) is a guide tool provided on the car frame (4) and movably engaged with the guide rail (1), and (10) is provided on the lower part of the car frame (4) to guide rail (1) when necessary. Safety device that engages with
(11) is a main rope whose one end is connected to the car frame (4) and is wound around the pulley (2) and the other end is connected to the drum (13) of the hoisting machine (12),
(14) is a car room standing upright from the car floor (3).

The conventional two-way car for elevators is constructed as described above, and the front exit (7) side is hung by the main rope (11) through the car frame (4), and the guide tool (9). ) And is guided by the guide rail (1) to move up and down. Then, in this configuration, the load on the rear entrance / exit (8) side, that is, the unbalanced load is supported by the guide rail (1) via the guide tool (9), but at this time, a large bending force is applied to the connecting member (6). Stress acts. Also, when the main rope (11) on one side shown in FIG. 4 is broken, an unbalanced load acts and the side of the main rope (11) to be broken sinks, but at this time, the car frame (4) and the car floor (3) The square-shaped member consisting of is transformed into a rhombus. It is manufactured so that harmful deformation does not occur in each part of the car against such an unbalanced load.

[0004]

In order to obtain the required rigidity against an unbalanced load in the conventional elevator two-way car as described above, a heavy material is used for each part of the car, which increases its own weight. .. Therefore, other equipment such as main ropes and hoisting machines for elevators also need to be large,
There is a problem that the manufacturing cost of the elevator increases.

The present invention has been made in order to solve the above problems, and an object thereof is to obtain a two-way elevator car for elevators, which has a lightweight structure and does not cause harmful deformation due to an unbalanced load.

[0006]

In an elevator two-way car according to the present invention, an elevator car room in which two doorways are provided upright on a car floor and facing each other, and one doorway A car frame provided near the car floor to support the car floor and engaged with the main ropes and guide rails of the elevator, a frame body standing upright from the car floor and provided near the other doorway, and both ends of the car A frame and a beam-shaped connecting member connected to the frame body and having an intermediate portion connected to the cab is provided. Further, the frame is provided with a guide tool that is movably engaged with a rear guide rail of the elevator.
Further, a lightweight material such as aluminum or reinforced synthetic resin is provided, and both ends thereof are provided with a car frame, and a connecting member having an intermediate part connected to the car chamber.

[0007]

In the elevator two-way car constructed as described above, the unbalanced load is supported by the structure in which the car frame, the frame body, the car floor, and the car room are integrated by the connecting member. Further, the eccentric load is supported through a guide tool that is movably engaged with a rear guide rail of the elevator provided on the frame body. In addition, the weight of the car is reduced by using a lightweight connecting material.

[0008]

1 to 3 are views showing an embodiment of the present invention, in which (1) is an elevator hoistway (not shown).
The guide rails erected on both sides of the front of the, (2) is a pulley pivotally attached to the member connecting the upper ends of the guide rails (1) on both sides, (3) is the car floor placed in the hoistway, (4) is a car frame that supports the gate-shaped non-carpet floor (3) and is provided on both sides of the front of the hoistway, and (5) is a car that stands from the gate-shaped non-carpet floor (3). The frame body arranged on the other side facing the frame (4), both ends of the (6) are connected to the car frame (4) and the frame body (5), respectively, and the middle part is on the upper surface of the car room (14). The beam-shaped connecting members are connected to each other, and the thin plates are formed by press bending, and are arranged apart from each other in the front direction of the car frame (4). (7) Basket frame
Front entrance provided in correspondence with (4), (8) rear entrance provided in correspondence with the frame (5), (9) provided in the car frame (4) and guide rail (1) Guides movably engaged with, (10)
The guide rail (1) is provided at the bottom of the cage frame (4) and is used when necessary.
An emergency stop device (11) that engages with is connected to the car frame (4) at one end and is wound around the pulley (2) and the other end is connected to the drum (13) of the hoisting machine (12). Main ropes, (14) is a box-shaped cab standing upright from the car floor (3), (15) is a rear guide rail standing upright behind the hoistway, and (16) is a frame (5) The guide member is provided on the rear part and is movably engaged with the rear guide rail (15).

In the elevator two-way car constructed as described above, the car floor (3), the car frame (4), and the frame body (5)
A box-shaped structure in which the car room (14) is integrated by the connecting material (6) is formed. Further, since the main rope (11) is connected to the car frame (4), the unbalanced load on the rear entrance (8) side is a guide tool.
It is supported by the guide rail (1) through the (9), and the bending force acting on the connecting member (6) at this time is dispersed and supported by each part of the integrated structure. In addition, when the main rope (11) on one side shown in FIG. 1 is broken, the fractured main rope (11) side sinks, but at this time, it has a square shape consisting of the car frame (4) and the car floor (3). An unbalanced load that deforms the member into a rhombus is supported by the integrated structure. Therefore, the car frame (4), the connecting material (6)
It is possible to obtain rigidity such that harmful deformation does not occur in each part of the car against an unbalanced load even if each member such as is lightened and thinned.
Moreover, the weight of the car can be reduced, which can reduce the manufacturing cost. Also, it is possible to avoid the size increase of other equipment such as the main ropes and hoisting machine of the elevator, and the manufacturing cost of the elevator. Can be reduced.

Further, since the frame (5) is provided with the guide tool (16) engaged with the rear guide rail (15) which is erected on the rear side of the hoistway, the main rope on one side shown in FIG. An unbalanced load that deforms the square-shaped member consisting of the car frame (4) and the car floor (3) into a rhombus when (11) is broken is a guide tool (9) engaged with the guide rail (1).
At the same time, it is supported by the guide tool 16 engaged with the rear guide rail (15). Therefore, the car frame (4) and the car floor
Unbalanced load that deforms the square-shaped member consisting of (3) into a rhombus is dispersed, and even if each member of the car is made light and thin, rigidity that does not cause harmful deformation to each part of the car against uneven load is obtained. be able to. Moreover, the weight of the car can be reduced, which can reduce the manufacturing cost. Also, it is possible to avoid the size increase of other equipment such as the main ropes and hoisting machine of the elevator, and the manufacturing cost of the elevator. Can be reduced.

By manufacturing the connecting material (6) with a lightweight material such as aluminum or reinforced synthetic resin, the weight of the car can be reduced to reduce the manufacturing cost, and the main rope, hoisting machine, etc. It is possible to avoid increasing the size of other equipment of the elevator and reduce the manufacturing cost of the elevator.

Further, the embodiment of FIGS. 1 to 3 can be easily applied to a one-way car, and a detailed description thereof will be omitted, but in a one-way car, an eccentric load in the car frame (4) front direction is also applied. On the other hand, the same operation as that of the embodiment shown in FIGS. 1 to 3 can be obtained.

[0013]

As described above, according to the present invention, the elevator car room which is erected on the car floor and has entrances and exits on two sides facing each other, and the car floor provided near one entrance and exit A car frame supporting and supporting the main ropes and guide rails of the elevator, a frame body standing upright from the car floor and provided near the other doorway, and both ends connected to the car frame and the frame body, respectively, and an intermediate portion. And a connecting member connected to the cage. Further, the frame is provided with a guide tool that is movably engaged with the rear guide rail of the elevator. In addition, a connecting member, which is made of a lightweight material such as aluminum or reinforced synthetic resin, has both ends connected to a car frame and a frame body, and an intermediate portion connected to a car chamber, is provided. As a result, the unbalanced load is supported by the structure in which the car frame, the frame body, the car floor, and the car room are integrated by the connecting material. Further, the eccentric load is supported through a guide tool that is movably engaged with a rear guide rail of the elevator provided on the frame body. In addition, the weight of the car is reduced by using a lightweight connecting material. Therefore, it is possible to obtain rigidity that does not cause harmful deformation to each part of the car against an unbalanced load even if each member such as the car frame and the connecting member is made lighter and thinner. Also, the weight of the car can be reduced, which has the effect of reducing the manufacturing cost, and it is possible to avoid making other equipment such as the main ropes and hoisting machines of the elevator large, and the manufacturing cost of the elevator. Has the effect of reducing.

[Brief description of drawings]

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

FIG. 2 is an enlarged perspective view of a portion related to the ceiling of the cab of FIG.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a view corresponding to FIG. 1 showing a conventional two-way car for an elevator.

FIG. 5 is a view corresponding to FIG. 4 and corresponding to FIG.

[Explanation of symbols]

 1 Guide rail 3 Car floor 4 Car frame 5 Frame 6 Connecting material 7 Front entrance / exit 8 Rear entrance / exit 11 Main rope 14 Car room 15 Rear guide rail 16 Guide tool

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[Procedure amendment]

[Submission date] August 17, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Fig. 4

[Correction method] Change

[Correction content]

[Figure 4]

Claims (3)

[Claims] 1. A car room of an elevator, which is erected on a car floor and provided with entrances and exits on two sides facing each other, and a car room which is provided near one of the entrances and exits and supports the car floor. A car frame in which the ropes and the guide rails are engaged, a frame body standing upright from the car floor and provided on the other side near the entrance and exit, both ends are connected to the car frame and the frame body, respectively, and an intermediate portion is A two-way elevator car with a connecting member connected to the car room. 2. A car room of an elevator, which is erected on a car floor and is provided with entrances and exits on two sides facing each other, and a car room which is provided near one of the entrances and supports the car floor, and is the main of the elevator. A car frame in which the ropes and the guide rails are engaged, a frame body provided upright from the car floor and provided near the doorway on the other side, and a guide tool for engaging with the rear guide rails of the elevator, and both ends. A two-way car for elevators, each of which is connected to the car frame and the frame body and a connecting member whose middle portion is connected to the car room. 3. A car room of an elevator, which is erected on a car floor and is provided with entrances and exits on two sides facing each other, and a car room which is installed near one of the entrances and exits and supports the car floor. A car frame in which the ropes and the guide rails are engaged, a frame body standing upright from the car floor and provided on the other side near the entrance and exit, both ends are connected to the car frame and the frame body, respectively, and an intermediate portion is A two-way elevator car with a lightweight connecting material connected to the cab.