JPS6410437B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a wheelchair escalator suitable for transporting a wheelchair.

[Conventional technology]

In today's world where people are aiming to improve the welfare environment, it is desirable to adopt transportation systems and architectural structures that are specially devised so that even people with disabilities can move around relatively freely. Recently, escalators have been recognized as an indispensable means of transportation within buildings, and it is expected that escalators will emerge that can be easily used by people with disabilities and elderly people with limited mobility. However, at present, the installation angle and driving speed, which greatly affect the needs of escalator users, do not cause any inconvenience to healthy people, but elderly people and people with disabilities lack agility when getting on and off the escalator. Therefore, escalators cannot be used by these people, and it is necessary to adopt measures such as reducing the installation angle to increase the sense of stability when riding, or slowing down the operating speed to make it easier to get on and off the escalator. . In addition, for people who have difficulty walking and use wheelchairs, there is a need for escalators that have special consideration so that they can be used while in a wheelchair.

Furthermore, it was not possible to safely ride a shopping cart in a department store or the like. This is because wheelchairs and carts have wheels and generally do not ride stably on stepped treads.
Conventionally, there are what are generally called electric roads and there are no steps on the tread, but the disadvantage is that the entire tread slopes like a slide and the wheelchair is not stable, and the entire equipment has to travel long and space efficiency is poor. There were flaws.

As a means to solve these shortcomings,
56-41555, it has been proposed that a special step be provided in a group of normal escalator steps, and this special step will be stopped, and after a person with a disability gets on the escalator, it will be restarted and the escalator will be transported to the nearest floor. . A large step is provided as one form of this special step.

However, when large steps are arranged, there is a problem that a large step difference occurs between adjacent steps.

As a way to solve this problem, there are plans to make the special step larger by placing an auxiliary plate on top of the normal step, or to store an auxiliary body inside the step and manually pull out the auxiliary body when necessary. is proposed.

[Problem to be solved by the invention]

The above-mentioned proposals have the disadvantage that they require manual movements and require the physically handicapped, their attendants, etc. to perform the troublesome work.

An object of the present invention is to automatically operate an auxiliary body without requiring a caretaker or the like to perform troublesome work.

[Means to solve the problem]

The present invention provides an escalator in which a specific step is arranged between normal steps, and this specific step is stopped at the entrance by a command from a designated device and restarted when a wheelchair enters. The step is normally stored in the specific step, is actuated by a drive device such as a motor at the entrance to protrude above the tread surface of the step, and returns to its original state at the exit. The auxiliary body is provided with a returning auxiliary body, and the auxiliary body is provided with a closing body that closes the opening created between the special step and the auxiliary body when the auxiliary body protrudes upward. It is divided into an opening part and an exit part.

[Example] Hereinafter, an example of the present invention will be described based on the drawings.

FIG. 1 is a side view of the entire escalator according to the present invention, where 1 is the escalator body, 2 is a handrail, 3 is a step for general passengers, and 4 is a specific step that rises when a wheelchair or the like is placed at a predetermined position. S ₁ is a stop switch for people with disabilities.If a person with a disability wants to use the escalator, please use this switch.
Just press S ₁ . _K2 is a activation switch for disabled people that is activated after the disabled person gets on the escalator. _S3 and _S4 are stop switches provided within the guide track of the steps, and 6a and 6b are power supplies, which supply current only when the specific step 4 is in this position. Note that these operations will be explained in detail later with reference to FIG.

Figure 2 is a schematic perspective view of identification step 4;
The figure is a side view showing a state in which the specific step 4 is installed, and the central portion 4b of the tread 4a is designed to rise and fall. Reference numeral 4c denotes an actuating body provided at the lower part of the tread center portion 4b and provided with a rack.This actuating body 4c is driven by a pinion 5a provided on a motor 5 to move the tread center portion 4b up and down by a dimension h. do. Reference numeral 4d denotes a closing plate that closes an opening created between the specific step 4 and the tread surface 4a when the center portion 4b is raised, and is attached to the center portion 4b.

As shown in FIG. 3, the wheelchair 7 has a rear wheel 7a on the raised central portion 4b, and a front step 3 on the front wheel 7.
B rides on it to form a horizontal state, and passenger M supports it from behind. In this state, drive the escalator to transport the wheelchair 7 to the exit, and when it arrives at the exit, the motor 5 is reversed and the central part 4 of the special step 4 is moved.
b is gradually lowered to keep it level with the steps in front of it.

Next, the operation of the present invention will be explained using FIG. 4. K ₁ is a general starting switch, S ₂ is a general stop switch, and 8 is an escalator starting coil. When this coil 8 is excited, the escalator starts operating.

Now, the escalator start switch _K1 is turned on and the coil 8 is energized so that (+) - (8a) -T ₁ b ₂ -
It is operated with a self-holding circuit of S ₂ -Yb-Wb ₂ -8-(-).

However, at this time, when the wheelchair user turns on the special stop switch _S1 , the coil X is energized and (+)
A self-holding circuit of -Xa ₁ -Zb ₁ -X- (-) is formed, and contact Xa ₂ is closed. In this state, the protruding piece (not shown) of the specific step 4 pushes the actuating piece of the stop switch _S3 provided at the lower reversing part of the escalator, and when the stop switch _S3 is turned on, the coil Y is excited. be done. Ya ₁ is a self-holding contact of coil Y.

The excitation of the coil Y opens the contact Yb, demagnetizes the coil 8, and stops the escalator.

At this time, the position of the stop switch _S3 is such that the specific step 4 stops exactly at the boarding entrance, as described above, so the wheelchair 7 has its rear wheels at the stopped specific step 4, and its front wheels at the front. Normal step 3
It is possible to board the train. Next, after getting into the vehicle, if the dedicated starting switch _K2 is turned on, the coil Z will be energized since the contact _Ya2 is closed due to the excitation of the coil Y. Due to the excitation of this coil Z, contact Za ₁ is closed and contact Zb ₁ is opened, so
Coil X is demagnetized, and due to this demagnetization of coil X, normally open contact Xa ₂ of coil
is demagnetized, the normally closed contact of the coil Y provided in the circuit of the starting coil 8 is closed, and (+) −Za ₁ −T ₁ b ₂
-S ₂ -Yb-Wb ₂ -8-(-) circuit starts the escalator.

It goes without saying that the contact Za ₂ forms a self-holding circuit.

Switch immediately after the escalator starts.
K ₃ is introduced, (6a+)−K ₃ −Za ₅ −T ₄ b−M ₁
- Starting relay for motor 5 by circuit (6a-)
Current flows through _M1 . As a result, the motor 5 rotates in the normal direction, and moves the operating body 4c upward via the pinion 5a, so that the front footboard and the central portion 4b are kept at the same height. When the specific step 4 comes to the normal 30 degree slope, the positional relationship with the step in front will not change, and when it comes to this position, the contact T ₄ b opens due to the operation of the timer T ₄ and the relay M ₁ is demagnetized, Move along the slope at the same height as the tread. After moving slightly along the slope, the power supply from the current 6a is completely cut off.

As the exit approaches, Switch K ₄ is introduced and (6
The starting relay _M2 of the motor 5 is supplied with current by the circuit b+)- _Za6 - _T5b - _M2- (6b-). As a result, the motor 5 starts to rotate in reverse and lowers the central portion 4b while maintaining the same height as the tread surface of the step 3 in front, until it reaches the exit. Then, when the central portion 4b finally returns to its original position, the power supply is stopped by the timer _T5 .

In the present invention, the power supply to the motor 5 is
As shown in a and 6b, since this is done only at the entrance and exit sections, the wiring for the power supply is kept to a minimum, and since the power supply stops after the central section 4b rises, it is possible to accidentally damage the motor. Accidents such as rotation and descent will not occur. Also, timers T ₄ and T ₅
Although the power supply to the motor is cut off by using a limit switch, the same effect can be obtained by using a limit switch.

On the other hand, due to the excitation of the coil Z, Za ₃ and Za ₄ are closed. Here, _T1 is a timer, which has a relay that closes after a certain period of time after being energized, and is set to the time when the user of the specific step 4 reaches the exit of the destination floor. Therefore, at that time, the contact T ₁ b ₁ opens, demagnetizing the coil Z, and opening the contact Za _1. At the same time, the normally closed contact T ₁ b ₂ of the timer T ₁ also opens, so the escalator stops. do.

In addition, timer T ₂ opens after a certain period of time has passed after energization, and when contact Za ₄ closes,
Contact T ₂ a of timer T ₂ is closed. This contact T ₂ a
is provided in the operating circuit of the stop switch S4 of the specific step ₄ provided at the top of the escalator, so that when the specific step 4 on which the wheelchair 7 is riding turns on the switch _S4 , the coil W is energized. A circuit is formed in. Furthermore, if the set time of timer _T2 is set longer than that of timer _T1 ,
Even if the timer _T1 does not operate for some reason, the normally closed contact Wb of the coil W is opened by the excitation of the coil W, and the escalator can be reliably stopped at the upper exit section.

Furthermore, it goes without saying that the excitation of the coil W closes the contact Wa ₁ to form a self-holding circuit.

Next, by energizing the coil W, the contact Wa ₂
is closed and timer _T3 is activated. This timer _T3 closes the circuit for a certain period of time after energization, and
This allows the escalator to return automatically after a certain period of time. That is, the time is set to be sufficient for the coil W to be excited, the escalator to stop, and the wheelchair 7 to get off the escalator, and after that certain period of time has elapsed, the timer _T3 is closed.
The normally closed contact T ₃ b of the timer T ₃ is opened to demagnetize the coil W, and the normally closed contact Wb of the coil W is closed. On the other hand, since the normally open contact T ₃ a of the timer T ₃ is closed, the starting coil 8 is energized and the escalator starts starting. That is, it is possible to automatically return to operation.

Incidentally, in one embodiment of the present invention, the central portion 4b of the specific step 4 is lifted vertically upward, but it is not necessarily necessary to lift vertically upward, and it may be lifted obliquely. In addition, in this embodiment, the central part is gradually raised or lowered by following the tread surface of the front step, but if the wheelchair can be stably held on a specific step, the wheelchair can be stopped at the entrance/exit. It may be made to rise and fall at once.

〔Effect of the invention〕

According to the present invention, the step is normally stored in a specific step, is actuated by a drive device such as a motor at the entrance to protrude above the tread of the specific step, and is returned to its original state at the exit. Since the auxiliary body (in one embodiment of the present invention, the central portion 4b and the actuating body 4c) that return to the original state is provided, the auxiliary body on which the wheelchair is placed automatically operates, thereby eliminating the burden on attendants and the like. do not have. Furthermore, since the power supply is provided separately, wiring can be kept to a minimum, and there is no possibility of accidentally supplying power, thereby preventing accidents. Furthermore, in order to close the opening that occurs between the specific step and the auxiliary body when the auxiliary body of the specific step is raised by a closing body (closing plate 4d in one embodiment of the present invention) provided on the auxiliary body, A passenger will not accidentally step on the step or a foreign object will not get into a specific step.

[Brief explanation of the drawing]

FIG. 1 is an overall side view of an escalator according to an embodiment of the present invention, FIG. 2 is a schematic perspective view showing specific steps, FIG. 3 is a side view showing a wheelchair being transported, and FIG. 4 is a side view of an escalator according to the present invention. FIG. 2 is an electric circuit diagram explaining the operation of FIG. 4...Specific step, 4b...Central part, 4c...
... Working body, 5... Motor.

Claims (1)

[Claims] 1. In an escalator in which a specific step is arranged between normal steps, the specific step is stopped at the entrance according to a command from a designated device, and restarted when a wheelchair enters. The step is normally stored within this specific step, and is operated by a drive device such as a motor at the entrance to protrude above the tread surface of the specific step, and returns to its original state at the exit. The auxiliary body is provided with a closing body that closes an opening created between the specific step and the auxiliary body when the auxiliary body protrudes upward. A wheelchair escalator characterized by being divided into an exit section and an exit section.