JPH08284459A - Buffer stop device of elevator for automobile - Google Patents

Abstract

PURPOSE: To prevent an automobile from colliding against an entrance door by projecting a buffer stop when the entrance door is closed. CONSTITUTION: A buffer top 8a is provided near the entrance door 3 of a landing site 2 and is put into a projecting and sinking movement by a plunger 8. Oil in an oil tank 12b is fed by means of a pump 12c to the plunger 8 via piping 11 in which a flow control valve 12d is installed. The upper and lower limits of the rise and fall of the plunger 8 are detected respectively by upper and lower limit switches 9, 10, and the fully closed state of the entrance door 3 is detected by a switch 7. When the entrance door 3 is fully closed, the pump 12c and the flow control valve 12d are driven and controlled by means of a control panel 12a to project the buffer stop 8a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile elevator, and more particularly to a car stop device at a landing.

[0002]

2. Description of the Related Art FIG. 12 is a perspective view showing a fully closed state of a landing door of a conventional automobile elevator.
FIG. 14 is a partial cross-sectional plan view showing a standby state of a car in a conventional automobile elevator, and FIG. 14 is a cross-sectional view showing a car entering state of a car in the conventional automobile elevator. In the figure, 1 is a car that goes up and down in the hoistway S, 2 is a landing for a car K to enter and leave, and 2a is a car stop line displayed on the floor of the landing 2. Reference numeral 3 denotes an entrance / exit door with a stop warning display 3a displayed on the front side. The entrance / exit door 3 is configured such that guide shoes 3b attached to both ends are slidably moved along a door rail 4 to open / close. There is. 5 is a landing frame, to which a door rail 4 and a car call button 6 are attached. In addition, H represents the driver.

Next, the operation of the conventional vehicle elevator will be described. First, the driver H drives the car K to the landing 2. Therefore, the driver H uses the door 3
Looking at the stop warning display 3a displayed in Fig. 13, the car K is stopped at the position of the car stop line 2a as shown in Fig. 13. Then, the driver H gets off the car K and, as shown in FIG.
Press the car call button 6 and wait for the arrival of the car 1. When the car 1 has landed, the guide shoe 3b slides along the door rail 4 to open the door 3. Therefore, the driver H drives the vehicle K to enter the car 1, as shown in FIG. Then, the driver H operates an operation button (not shown) mounted in the car 1 to close the door 3 and raise / lower the car 1 to a desired floor.

[0004]

As described above, the conventional elevator for an automobile has a stop warning display 3a on the entrance door 3.
Is displayed and the car stop line 2a is displayed at the landing 2 so as to call the driver H's attention. Therefore, the driver H does not notice the stop caution display 3a or the car stop line 2a, or the automatic If you accidentally step on the accelerator and brake on the vehicle, make the vehicle K collide with the door 3 and
There was a problem of damaging the car K.

The present invention has been made in order to solve the above-mentioned problems, and is provided with a car stop at the landing which is operated in association with the opening / closing operation of the entrance / exit door when the entrance / exit door is closed. An object of the present invention is to obtain a car stop device for an elevator for an automobile, in which a car stop is projected to prevent the car from entering the entrance door side and to prevent a collision between the car and the entrance door.

[0006]

A car stop device for an automobile elevator according to a first invention of the present invention is a car stop provided in the vicinity of a doorway door of a hall so as to be retractable from a floor of a hall and a car stop for raising and lowering the car stopper. The driving means and the control means for driving and controlling the car stop driving means in conjunction with the opening / closing operation of the entrance / exit door are provided.

A vehicle stop device for an automobile elevator according to a second aspect of the present invention is the vehicle stop device according to the first aspect of the invention, which is provided below the doorway door of the landing and engages with the fully-closed doorway door. An entrance / exit door fully closed detection means for detecting the fully closed state of the door, a vehicle stop rising upper limit detection means for detecting the rising upper limit of the vehicle stop, and a vehicle stop lower limit lower limit detection means for detecting the lower limit of the vehicle stop descent, and the control means: The door door fully closed detection signal from the entrance / door door fully closed detection means starts the raising operation of the car stop, and then the vehicle stop rising upper limit detection signal from the car stop rising upper limit detection means stops the raising operation of the car stop, and the entrance door fully closed. The descent operation of the car stop is started by the non-fully closed state detection signal of the entrance / exit door of the detection means, and then the car stop descent lower limit detection signal of the vehicle stop descent lower limit detection signal. As to stop the downward movement of the stop, in which so as to drive and control the wheel stopper driving means.

A vehicle stop device for an automobile elevator according to a third aspect of the present invention is the elevator control device for controlling the opening / closing operation of an entrance / exit door and the raising / lowering operation of a car in the first aspect of the present invention, and the raising of the vehicle stop. Equipped with a car stop rising upper limit detecting means for detecting an upper limit and a car stop lowering lower limit detecting means for detecting a lowering lower limit of the car stop, the control means starts the raising operation of the car stop by the closing operation signal of the entrance door of the elevator control device. After that, the raising operation of the vehicle stop is stopped by the vehicle stop rising upper limit detection signal of the vehicle stop rising upper limit detection means, the lowering operation of the vehicle stop is started by the opening operation signal of the entrance door of the elevator control device, and then the vehicle stop of the vehicle stop lowering lower limit detection means Drive control of the car stop drive means to stop the lowering operation of the car stop by the lowering lower limit detection signal Those were.

A vehicle stop device for an automobile elevator according to a fourth aspect of the present invention is the vehicle control device according to the third aspect, wherein the control means is an elevator control device.

A car stop device for an automobile elevator according to a fifth aspect of the present invention is the first to fourth aspects of the invention.
In any one of the inventions described above, the car stop drive means is
A plunger that moves up and down by hydraulic pressure, an oil tank, a pipe that connects the plunger and the oil tank to each other, a pump that delivers the oil in the oil tank to the plunger through the pipe, and a pipe that is provided in the path of the oil And a flow rate control valve for controlling the flow rate.

Further, a car stop device for an automobile elevator according to a sixth aspect of the present invention is, in the fifth aspect, an elevator plunger in which the elevator drive means is moved up and down by hydraulic pressure, an oil tank, Elevator piping that connects the elevator plunger and the oil tank,
An elevator pump that sends the oil in the oil tank to the elevator plunger through the elevator pipe, and an elevator flow control valve that is provided in the route of the elevator pipe and that controls the oil flow rate. The lifting and lowering drive means and the vehicle stop drive means share the oil tank.

[0012]

In the first aspect of the present invention, the vehicle stop drive means is drive-controlled by the control means in conjunction with the opening / closing operation of the door. Therefore, the car stop is projected from the landing floor near the entrance door by the car stop driving means in the closed state of the entrance door, and even if the vehicle runs in the direction of the entrance door due to an erroneous operation or the like, the car stop avoids the collision with the entrance door. .

In the second invention of the present invention,
The entrance / exit door fully closed detection means detects the fully closed state of the entrance / exit door. Further, the vehicle stop rising upper limit detecting means detects the rising limit of the vehicle stop. Further, the vehicle stop lower limit lower limit detecting means detects the lower limit of the vehicle stop lowering. Therefore, when the control means inputs a fully closed state detection signal of the entrance / exit door fully closed detection means, it drives the car stop drive means to start the raising operation of the car stop. When the vehicle stop rising upper limit detection signal of the vehicle stop rising upper limit detection means is input, the driving of the vehicle stop driving means is stopped to stop the raising operation of the vehicle stop. Further, when the control means inputs the non-fully closed state detection signal of the entrance / exit door of the entrance / door fully closed detection means, the control means drives the car stop driving means to start the descending operation of the car stop. When the vehicle stop lowering lower limit detection signal of the vehicle stop lowering lower limit detecting means is input, the driving of the vehicle stop driving means is stopped to stop the lowering operation of the vehicle stop. In this way, when the door is fully closed, the car stop protrudes near the door by a predetermined height above the floor of the landing, and collision with the door of the automobile is avoided.

According to the third aspect of the present invention,
When the control means inputs the closing operation signal of the entrance / exit door of the elevator control device, the control means drives the vehicle stop driving means to start the raising operation of the vehicle stop. When the vehicle stop rising upper limit detection signal of the vehicle stop rising upper limit detection means is input, the driving of the vehicle stop driving means is stopped to stop the raising operation of the vehicle stop. Further, when the control means inputs the opening operation signal of the entrance / exit door of the elevator control device, the control means drives the vehicle stop driving means to start the descending operation of the vehicle stop. When the vehicle stop lowering lower limit detection signal of the vehicle stop lowering lower limit detecting means is input, the driving of the vehicle stop driving means is stopped to stop the lowering operation of the vehicle stop.

In the fourth invention of the present invention,
Since the control means is the elevator control device, the installation space can be saved and the configuration can be simplified.

In the fifth aspect of the present invention,
The oil pump is activated, the flow control valve is opened, and the oil in the oil tank is delivered to the plunger through the pipe. Then, the pressure of the delivered oil raises the plunger and raises the car stop. After that, when the car stop rises to the upper limit, the oil pump is stopped and the flow control valve is closed. Therefore, the hydraulic pressure is maintained constant, and the car stop is maintained in a state of protruding from the landing floor by a predetermined height. Further, when the flow control valve is opened, the oil is returned to the oil pump through the pipe by the own weight of the plunger and the car stop, and the plunger and the car stop are lowered. Then, when the car stop is lowered to the lower limit of descent, the flow control valve is closed. Therefore, the hydraulic pressure is kept constant and the car stop is kept buried in the landing floor.

In the sixth aspect of the present invention,
Since the car ascending / descending drive means and the car stop drive means are both hydraulic drive means and share the oil tank, the installation space can be saved and the configuration can be simplified.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. Example 1. 1 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in an automobile elevator car stop device according to Embodiment 1 of the present invention, and FIG. 2 is a landing door entrance in an automobile elevator car stop device according to Embodiment 1 of the present invention. FIG. 3 is a sectional view showing a fully opened state of the door, and FIG. 3 is a first embodiment of the present invention.
FIG. 15 is a perspective view showing a fully closed state of a landing entrance / exit door in the car stop device for an automobile elevator according to FIG. 1, in which the same or corresponding portions as those of the conventional automobile elevator shown in FIGS. , The description is omitted. In the figure, 7 is a switch provided below the entrance door 3 of the landing 2 for detecting the fully closed state of the entrance door 3, and 7a is a push cam attached to the lower end of the entrance door 3 for operating the switch 7. Reference numeral 8 denotes a plunger which is provided at the lower portion of the landing 2 and moves up and down by hydraulic pressure. Reference numeral 8a denotes a car stop 8a which is arranged at the landing 2 so as to be retractable and retractable. 9
Is an upper limit switch, and this upper limit switch 9 is operated by a cam 8b attached to the plunger 8 to detect the upper limit of the rise of the plunger 8. A lower limit switch 10 is operated by a cam 8b attached to the plunger 8 to detect the lower limit of lowering of the plunger 8. Reference numeral 12 is a machine room. In the machine room 12, a control panel 12a, an oil tank 12b, and a pump 12c for sending oil from the oil tank 12b to the plunger 8 via the pipe 11 are installed. Here, 7b indicates the detection signal of the switch 7 to the control panel 12
a signal cable for transmitting to the control board 12a, and 9a for transmitting the detection signal of the upper limit switch 9 to the control panel 12a.
0a indicates the detection signal of the lower limit switch 10 to the control panel 1
A signal cable 12d for transmitting to 2a is a flow control valve that is provided in the path of the pipe 11 and controls the flow of oil. It should be noted that the switch 7 is the entrance / exit door fully closed detecting means, the upper limit switch 9 and the cam 8b are vehicle stop rising upper limit detecting means, and the lower limit switch 10 and the cam 8b.
Is a vehicle stop lower limit detection means, the control panel 12a is a control means, and the plunger 8, the oil tank 12b, the pump 12c, the flow control valve 12d and the pipe 11 are vehicle stop drive means.

Next, the operation of the first embodiment will be described. First, when the door 3 is fully closed, the switch 7 is pressed against the push cam 7a to be turned on, and the fully closed state of the door 3 is detected. Then, the detection signal of the switch 7 is transmitted to the control panel 12a via the signal cable 7b. Therefore, the control panel 12a recognizes the fully closed state of the entrance / exit door 3, activates the pump 12c, opens the flow control valve 12d, and sends the oil in the oil tank 12b to the plunger 8 through the pipe 11. . The plunger 8 is raised by the pressure, and the car stop 8a projects from the floor surface of the landing 2. When the car stop 8a projects to a predetermined height, the upper limit switch 9 is operated by the cam 8b attached to the plunger 8. The detection signal of the upper limit switch 9 is the signal cable 9a.
Is transmitted to the control panel 12a via. Therefore, control panel 1
2a stops the drive of the pump 12 and further closes the flow control valve 12d to stop the flow of oil and
Stop rising. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the car stop 8a is held in a state of protruding by a predetermined height from the floor surface of the landing 2, as shown in FIGS. Then, the driver H pushes the car call button 6 and the car 1
Upon landing, the door 3 starts opening. Then, the switch 7 is released from the pressed state of the push cam 7a and turned off, and the non-fully closed state of the door 3 is detected.
Then, the detection signal of the switch 7 is transmitted to the control panel 12a via the signal cable 7b. Therefore, the control panel 12a
Recognizes the non-fully closed state of the door 3 and opens the flow control valve 12d. The oil sent to the plunger 8 is returned to the oil tank 12b through the pipe 11 by the weight of the plunger 8 and the car stop 8a, and the plunger 8 and the car stop 8a descend. Then, when the car stop 8a descends to the surface position of the floor surface of the landing 2, the lower limit switch 10
Is operated by a cam 8b attached to the plunger 8. Then, the detection signal of the lower limit switch 10 is transmitted to the control panel 12a via the signal cable 10a. Therefore, the control board 12a is provided with the flow control valve 1
2d is closed to stop the oil flow, and the lowering of the plunger 8 is stopped. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the car stop 8a is held at the same surface position as the floor surface of the landing 2. On the other hand, the entrance / exit door 3 continues to rise, and finally reaches the fully opened state as shown in FIG.

As described above, according to the first embodiment, when the door 3 is closed, the car stop 8a always protrudes from the floor surface of the landing 2 by a predetermined height. Even if you do not notice the display 3a or the car stop line 2a, or if you accidentally step on the accelerator and the brake with an Otomatic car, the car K will be stopped by the car stop 8a, and the accident that collides with the door 3 will be prevented. You can

Example 2. 4 is a sectional view showing a fully closed state of a landing entrance / exit door in an automobile elevator car stop device according to a second embodiment of the present invention, and FIG. 5 is a landing door entrance in an automobile elevator car stop device according to a second embodiment of the present invention. FIG. 3 is a cross-sectional view showing a fully opened state of the door. In the figure, reference numeral 14 is a gear motor incorporating a speed reducer for rotationally driving a gear 14 a. 14b is a control panel for driving and controlling the gear motor 14, and 15 is a car stop gear having a car stop 8a connected to the upper end thereof. The car stop gear 15 meshes with the gear 14a and is guided to the gear rail 15a by the rotation of the gear 14a to move up and down. It is configured to move. 16 is an upper limit switch, and this upper limit switch 16
Is operated by a cam 18 attached to the car stop gear 15 to detect the upper limit of the rise of the car stop gear 15. Reference numeral 17 denotes a lower limit switch. The lower limit switch 17 is operated by a cam 18 attached to the car stop gear 15 to detect the lower limit of lowering of the car stop gear 15. Here, 7b is a signal cable for transmitting the detection signal of the switch 7 to the control panel 14b, 16a is a signal cable for transmitting the detection signal of the upper limit switch 16 to the control panel 14b, and 17a.
Indicates the detection signal of the lower limit switch 17 to the control panel 14b
It is a signal cable to convey to. The upper limit switch 16 and the cam 18 serve as vehicle stop rising upper limit detecting means,
The lower limit switch 17 and the cam 18 constitute vehicle stop lower limit detection means, the control board 14b constitutes control means, and the gear motor 14, the gear 14a and the vehicle stop gear 15 constitute vehicle stop drive means.

Next, the operation of the second embodiment will be described. First, when the door 3 is fully closed, the switch 7 is pressed against the push cam 7a to be turned on, and the fully closed state of the door 3 is detected. Then, the detection signal of the switch 7 is transmitted to the control panel 14b via the signal cable 7b. Therefore, the control panel 14b recognizes the fully closed state of the door 3 and activates the gear motor 14 to rotate the gear 14a in the direction to raise the car stop gear 15 via the speed reducer built in the gear motor 14. . Gear 14
a is in mesh with the car stop gear 15, the rotation of the gear 14a is transmitted to the car stop gear 15, the car stop gear 15 is guided by the gear rail 15a and ascends, and the car stop 8a reaches the landing 2
Protrudes from the floor. When the car stop 8a protrudes to a predetermined height, the upper limit switch 16 is operated by the cam 18 attached to the car stop gear 15.
Then, the detection signal of the upper limit switch 16 is transmitted to the control panel 14b via the signal cable 16a.
Therefore, the control board 14b stops the drive of the gear motor 14 and stops the lifting of the car stop gear 15. Then, as shown in FIG. 4, the car stop 8a is held in a state of protruding by a predetermined height from the floor surface of the landing 2. Next, when the driver H pushes the car call button 6 and the car 1 lands on the floor, the door 3
Begins to open. Then, the switch 7 is released from the pressed state of the push cam 7a and turned off, and the non-fully closed state of the door 3 is detected. Then, the detection signal of the switch 7 is transmitted to the control panel 14b via the signal cable 7b. Therefore, the control panel 14b recognizes the non-fully closed state of the door 3 and activates the gear motor 14 to cause the gear motor 1 to operate.
The gear 14 a is rotated in the direction in which the car stop gear 15 is lowered via the speed reducer built in the gear 4. Then, the rotation of the gear 14a is transmitted to the car stop gear 15, and the car stop gear 15 is guided by the gear rail 15a and descends. When the car stop 8a is lowered to the surface position of the floor surface of the landing 2 by the lowering of the car stop gear 15, the lower limit switch 1
7 is operated by a cam 18 attached to the detent gear 15. And this lower limit switch 17
Detection signal is sent to the control panel 14b via the signal cable 17a.
Is transmitted to Therefore, the control board 14b is connected to the gear motor 1
4 is stopped and the descent of the car stop gear 15 is stopped. The bollard 8a is held at the same surface position as the floor surface of the landing 2. On the other hand, the entrance / exit door 3 continues to rise, and finally becomes a fully opened state as shown in FIG.

As described above, also in the second embodiment, the car stop 8a always projects from the floor surface of the landing 2 when the door 3 is closed.
The same effect can be obtained.

Example 3. 6 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in an automobile elevator car stop according to Embodiment 3 of the present invention, and FIG. 7 is a landing entrance / exit of an automobile elevator car stop according to Embodiment 3 of the present invention. It is sectional drawing which shows a fully opened state of a door, 13 is an elevator machine room, 13a is an elevator control apparatus which raises / lowers the car 1. Then, the detection signals of the upper limit switch 9 and the lower limit switch 10 are transmitted to the elevator control device 13a through signal cables 9a and 10a, and the control panel 12a is opened / closed from the elevator control device 13a. The operation signal is transmitted via the signal cable 13b. The other structure is the same as that of the first embodiment.

Next, the operation of the third embodiment will be described. First, the elevator control device 13a operates the door 3
When trying to control the door in the closing direction, a door closing signal is transmitted to the control panel 12a via the signal cable 13b. Therefore, the control board 12a recognizes the closing operation of the entrance / exit door 3, activates the pump 12c, opens the flow control valve 12d, and sends the oil in the oil tank 12b to the plunger 8 through the pipe 11. The plunger 8 is raised by the pressure, and the car stop 8a projects from the floor surface of the landing 2. Then, when the car stop 8a projects to a predetermined height,
The upper limit switch 9 is operated by the cam 8b attached to the plunger 8. Then, the detection signal of the upper limit switch 9 is once transmitted to the elevator control device 13a via the signal cable 9a, and then transmitted to the control panel 12a via the signal cable 13b.
Therefore, the control board 12a stops driving the pump 12, further closes the flow rate control valve 12d to stop the flow of oil, and stops the rise of the plunger 8. At this time, the hydraulic pressure of the plunger 8 is kept constant, and the car stop 8a is held in a state of protruding by a predetermined height from the floor surface of the landing 2, as shown in FIG. Then, when the driver H presses the car call button 6 and the car 1 is landed, the elevator control device 13a tries to control the door 3 to open, and the door opening signal is controlled via the signal cable 13b. It is transmitted to the board 12a. Therefore, the control board 12a recognizes the opening operation of the door 3 and opens the flow control valve 12d. The oil sent to the plunger 8 is returned to the oil tank 12b through the pipe 11 by the weight of the plunger 8 and the car stop 8a, and the plunger 8 and the car stop 8a descend. Then, when the car stop 8a descends to the surface position of the floor surface of the landing 2, the lower limit switch 10 is operated by the cam 8b attached to the plunger 8.
Then, the detection signal of the lower limit switch 10 is once transmitted to the elevator control device 13a via the signal cable 10a, and then transmitted to the control panel 12a via the signal cable 13b. Therefore, the control board 12a closes the flow rate control valve 12d to stop the oil flow and stops the descent of the plunger 8. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the car stop 8a is held at the same surface position as the floor surface of the landing 2. On the other hand, the door 3 continues to rise,
As shown in FIG. 7, the fully opened state is finally reached.

As described above, also in the third embodiment, when the entrance door 3 is closed, the car stop 8a always projects from the floor surface of the landing 2.
The same effect can be obtained. Further, according to the third embodiment, the car stop 8a can be operated at the same time when the closing operation and the opening operation of the door 3 are started, and the control can be efficiently performed accordingly.

In the third embodiment described above, the detection signals of the upper limit switch 9 and the lower limit switch 10 are transmitted to the control panel 12a via the elevator control device 13a, but the upper limit switch 9 and The detection signal of the lower limit switch 10 may be directly transmitted to the control panel 12a. In the third embodiment, the operation of the car stop 8a is controlled by using the door opening / closing signal from the elevator control device 13a instead of the detection signal of the switch 7 in the first embodiment. In the second embodiment, the same effect can be obtained by controlling the operation of the car stop 8a by using the door opening / closing signal from the elevator controller 13a instead of the detection signal from the switch 7.

Example 4. 8 is a sectional view showing a fully closed state of a landing entrance / exit door in an automobile elevator car stop according to Embodiment 4 of the present invention, and FIG. 9 is a landing entrance / exit of an automobile elevator car stop according to Embodiment 4 of the present invention. It is sectional drawing which shows a fully open state of a door. In the fourth embodiment, in the car stop device for an automobile elevator according to the third embodiment, the control panel 12a is removed, and the elevator control device 13a drives and controls the pump 12c via the control cable 13c. The other structure is the same as that of the third embodiment.

Next, the operation of the fourth embodiment will be described. First, the elevator control device 13a operates the door 3
The control cable 13
The pump 12c is started via c, the flow control valve 12d is opened, and the oil in the oil tank 12b is piped 11
To the plunger 8 via. The plunger 8 is raised by the pressure, and the car stop 8a projects from the floor surface of the landing 2. When the car stop 8a projects to a predetermined height, the upper limit switch 9 is operated by the cam 8b attached to the plunger 8. Then, the detection signal of the upper limit switch 9 is transmitted to the elevator control device 13a via the signal cable 9a. The elevator control device 13a stops the drive of the pump 12c via the control cable 13c, and further the flow control valve 12
Close d to stop the flow of oil and stop the rise of the plunger 8. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the car stop 8a is held in a state of protruding by a predetermined height from the floor surface of the landing 2, as shown in FIG. Next, when the driver H presses the car call button 6 and the car 1 is landed on the floor, the elevator control device 13a tries to control the door 3 to open and the flow control valve 12d is opened via the control cable 13c. . The oil sent to the plunger 8 is returned to the oil tank 12b through the pipe 11 by the weight of the plunger 8 and the car stop 8a, and the plunger 8 and the car stop 8a descend. Then, when the car stop 8a descends to the surface position of the floor surface of the landing 2, the lower limit switch 10 is operated by the cam 8b attached to the plunger 8. Then, the detection signal of the lower limit switch 10 is transmitted to the elevator control device 13a via the signal cable 10a. The elevator control device 13a closes the flow rate control valve 12d through the control cable 13c to stop the oil flow, and stops the descent of the plunger 8. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the car stop 8a is held at the same surface position as the floor surface of the landing 2. On the other hand, the entrance / exit door 3 continues to rise, and finally becomes a fully opened state as shown in FIG.

As described above, also in the fourth embodiment, the vehicle stop 8 is started at the same time when the closing and opening operations of the door 3 are started.
a can be operated, and the same effect as that of the third embodiment can be obtained. Further, the control panel 12a is not required, so that the space of the machine room 12 can be saved and the structure can be simplified.

In the fourth embodiment, the hydraulic vehicle stop driving means for moving the vehicle stop 8a in and out is controlled by the elevator controller 13a. However, the vehicle stop 8a in the second embodiment is moved in and out. A gear motor type vehicle stop driving means is provided as an elevator control device 13a.
Even if the drive is controlled by the same method, the same effect can be obtained.

Example 5. 10 is a sectional view showing a fully closed state of a landing entrance / exit door in an automobile elevator car stop according to Embodiment 5 of the present invention, and FIG. 11 is a landing entrance / exit of an automobile elevator car stop according to Embodiment 5 of the present invention. FIG. 13 is a cross-sectional view showing a fully opened state of the door, in which 13 d is an elevator pump installed in the elevator machine room 13 for sending oil to the elevator plunger 19, and 13 e controls the flow of oil to the elevator plunger 19. Flow control valve for elevator, 13f
Is an oil tank for elevators installed in the elevator machine room 13, 13g is an elevator pipe for sending oil to the plunger 19 for elevators, the plunger 19 for elevators, the oil tank 13f for elevators, the pump 13d for elevators, and the elevator An elevating drive means for the car 1 is constituted by the flow rate control valve 13e and the elevator pipe 13g. Here, the pump 12c and the flow rate control valve 12d constituting the car stop driving means are arranged in the elevator machine room 13, and the oil tank of the car stop driving means is shared with the elevator oil tank 13f. The other structure is similar to that of the fourth embodiment.

Next, the operation of the fifth embodiment will be described. First, the elevator control device 13a uses the door 3
If you try to control the
c is started, and the flow control valve 12d is opened,
The oil in the elevator oil tank 13f is sent to the plunger 8 via the pipe 11. The plunger 8 is raised by the pressure, and the car stop 8a projects from the floor surface of the landing 2.
When the car stop 8a projects to a predetermined height, the upper limit switch 9 is operated by the cam 8b attached to the plunger 8. Then, the detection signal of the upper limit switch 9 is transmitted to the elevator control device 13a via the signal cable 9a. The elevator controller 13a stops driving the pump 12c, further closes the flow rate control valve 12d to stop the flow of oil, and stops the rise of the plunger 8. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the bollard 8a moves as shown in FIG.
It is held in a state of protruding a predetermined height from the floor surface of the landing 2. Next, when the driver H pushes the car call button 6 and the car 1 is landed, the elevator control device 13a causes the entrance door 3
The flow control valve 12d is opened as well as the flow control valve 12d is opened. The oil sent to the plunger 8 is returned to the elevator oil tank 13f through the pipe 11 by the weight of the plunger 8 and the car stop 8a, and the plunger 8 and the car stop 8a descend. And the car stop 8a
When is lowered to the surface position of the floor surface of the landing 2, the lower limit switch 10 is operated by the cam 8b attached to the plunger 8. Then, the detection signal of the lower limit switch 10 is transmitted to the elevator control device 13a via the signal cable 10a. The elevator control device 13a closes the flow control valve 12d to stop the oil flow, and stops the descent of the plunger 8. At this time, the hydraulic pressure of the plunger 8 becomes constant, and the car stop 8a is held at the same surface position as the floor surface of the landing 2. On the other hand, the entrance / exit door 3 continues to rise, and finally becomes a fully opened state as shown in FIG. When the car call button 6 is pressed, the elevator controller 13a activates the elevator pump 13d, opens the elevator flow control valve 13e, and transfers the oil in the elevator oil tank 13f to the elevator via the pipe 13g. It is sent to the plunger 19 and the car 1 is raised. Alternatively, the elevator controller 13a opens the elevator flow control valve 13e and lowers it by the weight of the car 1.

As described above, also in the fifth embodiment, the vehicle stop 8 is started at the same time when the closing and opening operations of the door 3 are started.
a can be operated, and the same effect as that of the third embodiment can be obtained. Further, the oil tank for driving the car stopper and the oil tank for driving the car can be shared, and the control panel 12a is not required.
2 is unnecessary, the space can be saved accordingly, and the configuration can be simplified.

In the fifth embodiment, the oil tank is commonly used for car driving and car stop driving.
An oil tank for driving a car and an oil tank for driving a car stop may be installed in the elevator machine room 13, respectively.

[0036]

Since the present invention is constituted as described above, it has the following effects.

According to the first aspect of the present invention, a car stop provided in the vicinity of the entrance door of the hall so as to be retractable from the floor of the hall, a car stop driving means for raising and lowering the car stop, and an opening / closing operation of the entrance door. Since the vehicle stop driving means is controlled by the control means, the vehicle stop can be projected when the door is closed, the vehicle is prevented from entering the door side, and the vehicle collides with the door. A car stop device for an automobile elevator that can prevent the occurrence of the above problems is obtained.

Further, according to the second aspect of the present invention, the entrance / exit door fully closed detection is provided below the entrance / exit door of the landing, and engages with the entrance / exit door in the fully closed state to detect the fully closed entrance / exit door. Means, a car stop rising upper limit detecting means for detecting a car stop rising upper limit, and a car stop lowering lower limit detecting means for detecting a car lowering lower limit, wherein the control means is a fully closed state of the entrance door full closing detection means. By the detection signal,
The raising operation of the car stop is started, and then the raising operation of the car stop is stopped by the vehicle stop rising upper limit detection signal of the vehicle stop rising upper limit detection means, and the vehicle stop is lowered by the non-fully closed state detection signal of the entrance door full closing detection means. The vehicle stop drive means is driven and controlled so as to start the operation and then stop the descending operation of the vehicle stop by the vehicle stop lower limit lower limit detection signal of the vehicle stop lower limit lower limit detection means. Can be reliably projected.

According to the third aspect of the present invention, the elevator control device for controlling the opening / closing operation of the entrance / exit door and the raising / lowering operation of the car, the vehicle stop rising upper limit detecting means for detecting the upper limit of the vehicle stop rising, and the vehicle stop The vehicle stop lower limit lower limit detection means for detecting the lower limit of lowering of the descent, the control means starts the raising operation of the vehicle stop by the closing operation signal of the entrance door of the elevator control device, and then the vehicle stop rise upper limit detection signal of the vehicle stop rise upper limit detection means. To stop the ascending operation of the car stop, start the descending operation of the car stop by the opening operation signal of the entrance / exit door of the elevator control device, and then stop the descending operation of the car stop by the vehicle stop descending lower limit detection signal of the vehicle stop descending lower limit detection means. In addition, since the vehicle stop driving means is drive-controlled, the vehicle stop can be started at the same time when the opening / closing operation of the door is started. You can begin descending operation, thereby enabling efficient control.

Further, according to the fourth aspect of the present invention, since the control means is the elevator control device, the installation space can be saved and the configuration can be simplified.

According to the fifth aspect of the present invention, the car stop driving means controls the plunger that moves up and down by hydraulic pressure, the oil tank, the pipe that connects the plunger and the oil tank, and the oil in the oil tank. Since the pump for delivering the oil to the plunger through the pipe and the flow control valve for controlling the flow rate of the oil provided in the route of the pipe are configured, the car stop driving means can be simply configured.

According to the sixth aspect of the present invention, the elevator drive means for the car causes the elevator plunger that moves up and down by hydraulic pressure, the oil tank, and the elevator plunger that communicates with the elevator oil tank. And a pump for an elevator that sends the oil in the oil tank to the plunger for the elevator through the pipe for the elevator,
It is composed of an elevator flow rate control valve that is provided in the route of the elevator piping to control the oil flow rate, and the car elevator drive means and car stop drive means share the oil tank, saving installation space. It is possible to further reduce the space and simplify the configuration.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 1 of the present invention.

FIG. 2 is a cross-sectional view showing a fully opened state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 1 of the present invention.

FIG. 3 is a perspective view showing a fully closed state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 1 of the present invention.

FIG. 4 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 2 of the present invention.

FIG. 5 is a cross-sectional view showing a fully opened state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 2 of the present invention.

FIG. 6 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 3 of the present invention.

FIG. 7 is a cross-sectional view showing a fully opened state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 3 of the present invention.

FIG. 8 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 4 of the present invention.

FIG. 9 is a cross-sectional view showing a fully opened state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 4 of the present invention.

FIG. 10 is a cross-sectional view showing a fully closed state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 5 of the present invention.

FIG. 11 is a cross-sectional view showing a fully opened state of a landing entrance / exit door in a car stop device for an automobile elevator according to Embodiment 5 of the present invention.

FIG. 12 is a perspective view showing a fully closed state of a landing entrance / exit door in a conventional automobile elevator.

FIG. 13 is a partial cross-sectional plan view showing a standby state of a car in a conventional automobile elevator.

FIG. 14 is a cross-sectional view showing a state in which a conventional automobile elevator enters a car.

[Explanation of symbols]

1 car, 2 platform, 3 entrance door, 7 switch (entrance door fully closed detection means), 8 plunger (car stop drive means), 8a car stop, 8b, 18 cams (car stop rise upper limit detection means, car stop lower limit detection means), 9, 1
6 Upper limit switch (vehicle stop rising upper limit detecting means), 10, 17 Lower limit switch (vehicle stop lowering lower limit detecting means), 11 Piping (vehicle stop driving means), 12
a, 14b control panel (control means), 12b oil tank (vehicle stop driving means), 12c pump (vehicle stop driving means),
12d Flow control valve (car stop driving means), 13a
Elevator control device, 13d Elevator pump (car raising / lowering driving means), 13e Elevator flow control valve (car raising / lowering driving means), 13f Elevator oil tank (car raising / lowering driving means, car stop driving means), 13g
Elevator piping (car raising / lowering drive means), 14 gear motor (car stop drive means), 14a gear (car stop drive means), 15 car stop gear (car stop drive means).

Claims (6)

[Claims] 1. A car stop provided in the vicinity of a doorway door of a hall so that it can be retracted from a floor of a hall, a car stop drive means for moving the car stop up and down, and a drive means for driving the car stop interlocking with an opening / closing operation of the doorway. A car stop device for an automobile elevator, comprising: a control unit for controlling. 2. An entrance / exit door full-closed detection means, which is provided below the entrance / exit door of a landing, engages with the fully-closed entrance / exit door to detect a fully closed state of the entrance / exit door, and a car stop for detecting an upper limit of the rise of the car stop. The vehicle upper limit detection means and the vehicle stop lower limit lower limit detection means for detecting the lower limit of the vehicle stop lowering are provided, and the control means raises the vehicle stop in response to a fully closed state detection signal of the doorway door full closing detection means. Start the operation,
After that, the raising operation of the car stop is stopped by the car stop rising upper limit detection signal of the car stop rising upper limit detection means, and the lowering operation of the car stop is started by the non-fully closed state detection signal of the doorway door full closing detection means. The vehicle elevator driving means is drive-controlled so as to stop the descending operation of the vehicle stop in response to the vehicle stop lowering lower limit detection signal of the vehicle stop lowering lower limit detecting means. Car stop device. 3. An elevator control device for controlling opening / closing operation of an entrance / exit door and raising / lowering operation of a car, vehicle stop rising upper limit detecting means for detecting an upper limit of rising of a vehicle stop, and vehicle stop lowering lower limit detection means for detecting a lower limit of lowering of the vehicle stop. The control means starts the raising operation of the car stop by the closing operation signal of the doorway door of the elevator control device, and then the raising operation of the car stop by the car stop rising upper limit detection signal of the vehicle stop rising upper limit detection means. To start the descent operation of the car stop by the opening operation signal of the entrance door of the elevator control device, and then stop the descending operation of the car stop by the vehicle stop descent lower limit detection signal of the vehicle stop descent lower limit detection means. The vehicle engine drive according to claim 1, wherein the vehicle stop drive means is drive-controlled. Levator car stop device. 4. The car stop device for an automobile elevator according to claim 3, wherein the control means is an elevator control device. 5. The car stop drive means comprises a plunger that moves up and down by hydraulic pressure, an oil tank, a pipe that connects the plunger and the oil tank, and oil in the oil tank to the plunger via the pipe. The elevator for an automobile according to any one of claims 1 to 4, characterized in that it comprises a pump for sending out and a flow rate control valve provided in the path of the pipe for controlling the flow rate of oil. Car stop device. 6. The elevator drive means for a car raises and lowers an elevator plunger by hydraulic pressure, an oil tank, an elevator pipe that connects the elevator plunger and the oil tank, and oil in the oil tank. An elevator pump for delivering to the elevator plunger through the elevator pipe, and an elevator flow control valve that is provided in the route of the elevator pipe to control the flow rate of oil, and is used for raising and lowering the car. The car stop device for an automobile elevator according to claim 5, wherein the drive means and the car stop drive means share the oil tank.