JPH11322242A - Elevator car stopping device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stop an automobile at a fixed location and prevent the automobile from moving till an elevator arrives by providing a racing sheave in which free rollers for racing tires are arrayed in at least front and back two rows on an automobile landing floor and providing a device locking the rollers at the time of opening and closing an elevator door. SOLUTION: On a landing floor 6 on the front side of an elevator exit and entrance, a pit 21 storing a racing sheave is provided. On the right side, a landing door 3 surrounded by a landing jamb 2 is provided. Ahead of the door 3, an elevator cage 18 having a car door 17 is provided. On the floor 6, a running detection sensors 20 are provided on left and right sides in a form that an automobile 19 is held. The landing door 3 is opened to its full width and the automobile 19 runs into the racing sheave having a state that the rollers 22 freely revolve. At this time, a driving tire 40 of the automobile 19 stops to run into the sheave in a form that the tire 40 is held by the front and rear rollers 22. When the automobile 19 traveling slowly and entering is going to the landing door 3 beyond the rollers 22, the rollers 22 only race and stops at the place.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator for an automobile, and more particularly, to a device for stopping a vehicle on an automobile landing floor in front of an elevator door.

[0002]

2. Description of the Related Art In a car elevator, a car runs out of control due to a driver mistakenly operating a brake and an accelerator before the arrival of an elevator car, falls through a landing door and falls into a hoistway of the elevator. An accident has occurred. In addition, landing doors have been damaged even if they did not fall.

In order to prevent such accidents, for example,
There is a hall device provided with a frame-shaped boom fence in Japanese Utility Model Registration Application Publication No. 2575. FIG. 1 and FIG. 2 show a landing apparatus provided with a frame-shaped vehicle stop fence according to the prior art. FIG.
Is a view showing a state where the hall device is actually installed. An elevator hall door 3 surrounded by a hall three-way frame 2 is on the back side. A conventional landing apparatus having a collapsible fence 8 is fixed by anchor bolts 16 on the landing floor 6 on the front side. When the landing door 3 is closed, the vehicle stop fence 8 is erected to prevent the vehicle from starting. 10 so that a car can be loaded into an elevator. The upright of the car stop fence 8 has been performed by a driving device 9 including a gear motor 12, a chain 13, a support shaft 14, a limit switch and the like shown in the sectional view of FIG.

[0004]

However, in a conventional landing apparatus provided with a frame-shaped vehicle stop fence, if the vehicle is stopped slightly beyond a stop line 11 for waiting for the elevator, when the elevator arrives, the storage device is stowed. There was a possibility that the car stop fence 8 which was collapsed to be stored in the groove 10 might hit the vehicle body. For this reason, the driver has to be careful in positioning when stopping before the elevator, which is inconvenient. In addition, in order to call the elevator, the driver must get off and press the elevator call button 4, which is inconvenient.

[0005] In addition, the conventional landing apparatus causes a obstacle called a car stop fence to appear in front of the driver, thereby mainly promoting a psychological suggestion that the driver must not move the driver forward. However, since the vehicle does not have enough mechanical strength to completely prevent the traveling of the vehicle itself, the collision of the vehicle may damage the car stop fence.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle stop device which automatically stops a vehicle waiting for entry in front of an elevator at a fixed position, and which does not move until the elevator arrives.

Another object of the present invention is to provide a vehicle stop device that allows a driver to call an elevator automatically without having to get off the vehicle when the vehicle arrives in front of the elevator.

[0008]

In order to achieve the above object, the invention of claim 1 provides a vehicle floor in front of an elevator door for a vehicle, and a free wheel provided on the floor for idling tires. It is characterized by comprising an idle sheave in which rollers are arranged in at least two front and rear rows, and a lock device that works with the elevator door and locks the rollers when the door is opened.

Further, the invention according to claim 2 has a sensor for detecting that a tire of an automobile is on an idle sheave,
An empty elevator is automatically called by the operation of the sensor.

The invention according to claim 3 is characterized in that it has a warning light, measures the number of revolutions of the roller of the idle sheave, and turns on the warning light when the number of revolutions exceeds a predetermined number.

[0011]

[Function] When the elevator car has not arrived, when the vehicle rides on the idle sheave provided on the floor of the elevator landing, the driving tire of the vehicle is sandwiched between the free rotating rollers arranged in two rows in front and back, and the driving tire is on the free roller. Only the contacts will have contacts. Generally, an automobile moves by transmitting the driving force of the tire to the ground by friction between the surface of the driving tire and the ground which is a contact point. Since the driving roller on the free roller rotates in synchronization with the rotation of the tire, the driving tire does not transmit the driving force to the roller and is in a so-called idling state.
As a result, no matter how much the driver lifts the accelerator or the engine speed increases due to a failure, the vehicle cannot move while being stationary on the idle sheave. When the elevator arrives, the free roller is fixed by the lock device that locks the roller in conjunction with the opening of the elevator door, so the driving force of the tire is transmitted to the fixed roller, and the car gets over the roller To move in the direction of the elevator.

Further, a sensor for detecting that the vehicle is riding on the idle sheave causes the elevator to be automatically called by the operation of the sensor when the vehicle is loaded on the idle sheave. This eliminates the need for the driver to get off the vehicle to call the elevator, which is convenient, and prevents the driver from self-propelled when the vehicle gets off the vehicle and prevents the shift lever operation error when re-entering the vehicle. it can.

Further, by measuring the roller rotation speed and turning on a warning light when the rotation speed exceeds a predetermined rotation speed, a warning light is provided when the driver accidentally idles the driving tire at a high rotation speed. Lights to alert the driver.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 3 is a vertical cross-sectional view showing an outline of a vehicle parking device according to the present embodiment. The same components as those in the conventional device described above are denoted by the same reference numerals, and description thereof will be omitted.

A pit 21 for storing an idle sheave is provided on the landing floor 6 in front of the entrance of the elevator, and a landing door 3 surrounded by a three-way frame 2 is provided on the right of the pit 21, and a car door 17 is provided in front of the landing door 3. There is an elevator cab 18 having A detection sensor 20 is provided on the floor 6 so as to interpose an automobile and to ride right and left. Further, a warning light 29 is provided on the door 3.

Next, the idle sheave in the pit 21 will be described. As shown in the plan view of FIG. 4, a shaft 24 penetrates the roller 22 for idling the driving tire of the automobile 19, and the shaft 24 and the roller 22 are completely rotated so that the roller 22 rotates in accordance with the rotation of the shaft 24. Fixed. The shaft 24 is attached to the mount 25 by a presser foot 26. As shown in FIG. 5, the mounting table 25 is fixed to the wall surface of the pit 21 by bolts 16. Shafts 24 provided with left and right rollers 22 at both ends of the shaft so that the left and right driving tires can be sandwiched between the front and rear rollers are arranged in two front and rear rows. At this time, the front and rear rollers 22 are arranged at a slight interval as shown in FIG. 3 so that the rollers run idle in the same direction. The roller interval is such that the driving tire 40 sinks between the front and rear rollers 22 and the automobile 1
9 are provided at appropriate intervals so as not to scrape the floor of the elevator. From the viewpoint of riding comfort, it is preferable to arrange them at intervals such that the steps from the landing floor are reduced.
For each shaft 24, a lock mechanism 23 is provided at the center of the left and right rollers. Lock mechanism 23 is also bolt 16
To the pit 21 floor. The lock mechanism may be provided at both ends of the shaft, and one shaft may be used as one long roller. A tachometer 30 for detecting the number of rotations of the roller 22 is provided on one of the front and rear shafts.
Is attached. A warning light 29 for indicating an abnormal rotation speed is provided above the elevator landing door. The riding detection sensor 20 may be any sensor, such as a sensor that detects an obstacle by blocking an optical axis by infrared rays, or a sensor that detects by weight, as long as it can detect the arrival of an automobile.

Next, the operation of the lock mechanism 23 will be described. The lock mechanism 23 of the idle sheave installed in the pit 21 of the landing floor 6 is connected to the control panel 2 via a control cable 27.
8, and the lock mechanism 23 operates in conjunction with a command from the control panel 28 based on opening and closing of the door. That is, when the elevator cabin 18 is not on the floor and the landing door 3 is fully closed, the lock mechanism 23 is in the unlocked state, and the roller 22 can always rotate freely. Meanwhile, the elevator cab 18 arrives at the floor,
At the same time that the landing door 3 is fully opened, a lock command signal is sent from the control panel 28, and the lock mechanism 23 locks the shaft 24, and at the same time stops the rotation of the roller 22 attached to the shaft. Conversely, at the same time when the open landing door 3 is fully closed, a lock release command signal is sent from the control panel 28, the lock mechanism 23 releases the lock of the shaft 24, and the roller 22 rotates freely again.

Next, the entire operation including the movement of the automobile will be described with reference to FIG. The vehicle 19 rides on the idle sheave in which the landing door 3 is fully closed and the rollers 22 are freely rotating (S1). At this time, the driving tire 40 of the car 19 rides on the front and rear rollers 22,
Stop. The car 19, which has entered slowly, has a roller 2
2 to go to the landing door 3, but the roller 22 is in a free rotation state and only idles in synchronization with the rotation of the driving tire 40, and the driving force of the tire is not transmitted and the car stops on the spot become. That is, according to the present embodiment, it is possible to always stop the driving tire at the position where the driving tire is sandwiched between the two front and rear rollers 22. In addition, the driver does not need to pay attention to the stop position because the conventional car stop fence 8 is not provided. Further, even if the driver accidentally performs an accelerator operation after the vehicle is temporarily stopped, or rotates the driving tire due to an engine trouble, the tire simply idles and the automobile does not move.

For example, the left and right sensors 20 are provided on the landing floor 6 such that the tip of the vehicle 19 when the driving tire 40 rides on the roller 22 is positioned so as to block the optical axis of the left and right sensors 20. When the tip of the car 19 blocks the optical axis, it detects that the car has entered the idle sheave (S2). The detection sensor is also connected to the control panel 28, and registers the hall call for automatically calling the elevator by the operation of the detection sensor 20 (S3). The elevator arrives (S4),
The door opening operation is started, and the landing door 3 and the car door 17 are fully opened (S5). At the same time as the door is fully opened, a lock command signal is sent from the control panel 28 to the lock mechanism 23, and the lock mechanism 23
As a result, the shaft 24 is locked (S6), and the roller 22 is fixed. If the driving tire is rotated while the roller 22 is fixed, the driving force is transmitted to the roller, the vehicle 19 can run, and the driver gets the vehicle into the elevator car (S7). After the elevator car of the car 19 enters the elevator car, the elevator enters a door closing operation, and the landing door 3 and the car door 17 are fully closed (S8). At the same time as the door is fully closed, an unlocking command signal is sent from the control panel 28 to the lock mechanism 23, and the lock mechanism 23
Is released (S9), and the roller 22 returns to the idling state again. Thereafter, the elevator starts moving toward the destination floor (S10).

On the other hand, if an inadvertent accelerator operation is performed on the idle sheave while waiting for the elevator (S11), the drive tire idles. Even if the accelerator is inadvertently operated, the driving tires are idle before the arrival of the elevator, so there is no danger that the car will run, but there is a risk that the arrival of the elevator will cause a sudden start as soon as the rollers are locked. Therefore, when the tachometer 30 detects the number of rotations of the roller 22 rotating in synchronization with the driving tire 40 per unit time or more (S12), the warning light 29 is turned on and off (S13). Call attention to Then, when the driver who notices the lighting of the warning light 29 steps on the brake, the sudden start can be prevented.
From the viewpoint of safety, the elevator arrives while the tachometer 30 detects the number of roller rotations equal to or more than a certain value,
It is preferable that the roller is not locked even when the door is fully opened.

Although the present embodiment has been described by way of example for a front wheel drive vehicle, it may have an idle sheave at a position away from the landing door 3 for a rear wheel drive vehicle. The vehicle may have idle sheaves in two places for the front wheel and the rear wheel so as to cope with the above.

[0022]

According to the present invention, it is possible to stop an automobile for riding in an elevator at a fixed position between rollers. In addition, it is possible to completely prevent the vehicle from moving until the elevator arrives by idling the driving tire of the vehicle. Further, unlike the conventional method using a car stop fence, there is no fence serving as an obstacle, so that there is no fear that both the car and the car stop device are damaged by contact. In addition, the elevator is automatically called when a vehicle enters the device, so there is no need for the driver to get off the vehicle, which increases convenience, as well as runaway of the vehicle at the time of getting off and mistakes in operating the shift lever when re-entering the vehicle. Can be prevented from occurring.

Further, by providing a warning light, the driver can be alerted to the case where the driver accidentally idles the driving tire, thereby preventing a sudden start when the elevator arrives.

[Brief description of the drawings]

FIG. 1 is a schematic view showing an elevator landing apparatus having a conventional parking fence.

FIG. 2 is a partial cross-sectional view of FIG.

FIG. 3 is a longitudinal sectional view of a vehicle stopping device of an automobile elevator.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a sectional view taken along the plane AA of FIG. 3;

FIG. 6 is an electrical configuration diagram of the present invention.

FIG. 7 is an operation flow chart from riding a car on an idle sheave to starting an elevator.

[Explanation of symbols]

1 elevator hoistway wall, 2 hallway 3 hallway, 3 hall door, 4 elevator call button, 5 signal light, 6 hall floor, 7 frame body, 8 car stop rail, 9 drive,
10 storage groove, 11 stop line, 12 small gear motor, 13 chain, 14 support shaft, 15 limit switch, 16 anchor bolt, 17 car door, 18
Cab, 19 cars, 20 ride detection sensors,
21 pits, 22 rollers, 23 lock mechanism, 24
Shaft, 25 mounting stand, 26 axis presser, 27 cable, 28 control panel, 29 warning light, 30 tachometer, 40
Driving tires.

Claims (3)

[Claims] 1. An idle sheave provided on a floor of a car landing in front of an elevator door for a car and having free rollers arranged in at least two front and rear rows for idling tires, interlocked with the elevator door, and when the door is opened. An elevator car detent device comprising a lock device for locking a roller. 2. The vehicle elevator car stopping device according to claim 1, further comprising a sensor for detecting that a tire of the vehicle rides on an idle sheave, and automatically operating an empty elevator by operating the sensor. 3. The elevator car bogie according to claim 1, further comprising a warning light, measuring a roller rotation speed of the idle sheave, and turning on the warning light when the rotation speed exceeds a predetermined rotation speed. apparatus.