JPH02100990A - Escalator - Google Patents

Abstract

PURPOSE:To shorten the preparation time for a wheelchair operation by providing a drive source for erecting and leveling a buffer stop independently at a movable part and at the one side of the buffer stop. CONSTITUTION:A movable step board 33 is overlapped on a lowered elevating step board 32, a special footstep 31 is stopped just in front of a platform in the state of a buffer stop 39 being positioned horizontally on the upper floor side, the elevating step board 32 is moved up by the normal rotating drive of an elevating motor 321 and a reversing motor 331, the movable step board 33 is reversely stopped, and the buffer stop 39 is positioned horizontally to the movable step board 3. In this state, a wheelchair mounted with a user is boarded on the tread of the elevating step board 32, and the buffer stop 39 is erected by the normal rotating drive of an erecting motor 391. An escalator is then driven upward, the wheelchair is dismounted at the upper floor and the normal driving state is reset by the reverse rotating drive of the elevating motor 321, the reversing motor 331 and the erecting motor 391.

Description

[Detailed description of the invention] [Industrial use ￥F! ]

This invention relates to an escalator that allows the general public and wheelchair users to go up and down.

[Conventional technology]

With reference to FIG. 4, an example of the conventional escalator as described above disclosed in Japanese Patent Laid-Open No. 60-218285 will be explained. In Figure 4, 1 is the main IL of the escalator 2 is the main frame 1
3 is a normal step in which many steps are connected endlessly by the step chain 2, 31 is a special step installed between 3 normal steps, and 4 is a main step. A parapet is erected on the frame 1, 5 is a floor plate fixed to the upper and lower floor entrances, and 6 is a user in a wheelchair 61. In addition, the special step 31 includes an elevating step board 32.
A movable part 34 is provided which has a movable step plate 33 pivotally connected to the lower end of the movable part 34, and although not shown, the elevating step plate 32 is moved via a cross link or the like by forward and reverse rotation of a drive source such as an electric motor. As it is raised and lowered, the movable tread 33 rotates to the lower floor and upper floor via the link, and when the tread 32 is raised, the movable tread 33 extends to the lower floor, and when the tread 32 is lowered, it extends onto the movable tread 33. They are arranged so that they overlap closely. The following steps are taken to transport the wheelchair user 6 using the conventional escalator configured as described above. In the case of upward operation of the escalator, when the wheelchair user 6 comes to the floor plate 5 of the entrance/exit on the lower floor, the special step 31 moves the normal continuous escalator to the horizontal part A of the lower floor immediately before the floor plate 5. Stop in position. Next, the m drive source of the special step 31 is rotated in the forward direction, the elevating step board 32 is raised, the movable step board 33 is extended toward the lower floor, and the drive source is stopped. In this state, the wheelchair user 6 and the wheelchair 61
The user gets on the elevating footboard 32 and the movable footboard 33 from above the floorboard 5. At this time, after the wheelchair 61 gets in, the wheelchair 61
In order to prevent it from falling to the lower floor side,
A car stop 39 as described in the 8281 publication can be pivoted to the movable footboard 35, and the car stop 39 can be raised above the free end of the movable footboard 33 located on the lower floor side on the tip side of the floorboard 5. Conceivable. After the wheelchair user 6 gets on the special steps 31 as described above, the escalator is operated upward and the special steps 31 are reached through the constant slope section BJe.
The escalator is stopped when the normal steps 3 adjacent above reach the horizontal part C of the upper floor. Next, the wheelchair user 6 and the wheelchair 61 descend from the special steps 31 to the horizontal normal steps 3 and onto the passenger entrance floorboard 5 on the upper floor. After the wheelchair 61 gets off the special step 31, the drive source is reversed, and the movable step board 33 is moved to the elevating step board 32.
The elevating step board 32 is lowered and returned to its original position while being stacked on top, and the special step 31 can be used in the same way as the normal step 3. In addition, when the car stopper 39 is used, it is returned to the movable step plate 33 and horizontally in a timely manner. after that,
Let the escalator operate normally. In addition, in the case of descending operation of the escalator, the wheelchair user 6 gets on the special stairs 31 from the entrance floor plate 5 on the upper floor via the horizontal regular steps 3, gets off at the lower floor, and the boarding and alighting position is changed to the ascending operation. The operation is almost the opposite of that during upward operation, such as in the opposite direction. However, when the wheel stopper 39 is used, it is necessary to raise the wheel stopper 39 before the wheelchair user 6 gets on the vehicle, and return it before the wheelchair user 6 gets off. Become.

[Problem to be solved by the invention]

In conventional escalators, such as the special steps configured as described above, a bollard that can be raised and folded is pivotally attached to the movable part, and this bollard is raised from the lower end of the movable part during wheelchair operation. It is necessary to change the timing of raising and lowering the bollard, that is, raising and returning the wheel stopper, depending on whether the wheelchair is being driven up or down and when the wheelchair is in use. In other words, if the bollard is connected to the movable part by a link and these are configured to work together, the timing of the bollard's operation cannot be automatically controlled, and when the user of the wheelchair gets on or off the special steps. , it is necessary to climb over raised bollards, making smooth and safe operation impossible, requiring manual operation by an attendant, prolonging the preparation time for wheelchair operation, and reducing the transportation capacity of the escalator during normal operation. There was a problem in that it lowered the This invention was made to solve the above-mentioned problems. It has a simple structure, is highly reliable, and can automatically control the timing of raising and lowering the bollard, making it easier for wheelchair users to drive. The aim is to shorten preparation time and improve transportation capacity during normal operation.

[Means to solve the problem]

The present invention provides an escalator having a special step in which a bollard is pivotally connected to a movable part, in which one of the movable part and the bollard is
A driving source such as an electric motor is provided to raise and lower the car stop independently.

[For production]

The special steps of the escalator according to the present invention can automatically raise and lower the car stop independently of the movable part using a drive source provided in the movable part or the car stop, and therefore, when the car stop is separated from the main body of the special step. In addition to being operable even when using a wheelchair, the preparation time for driving the wheelchair can be shortened compared to conventional systems that use links, and the structure is simple.

【Example】

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show special steps for an escalator according to an embodiment of the present invention. In Figures 1 to 3, the same symbols as in Figure 4 indicate corresponding parts, 311 is the step body of the special step 31, 312
is a main body step plate fixed on the bracket 313 of the step body 311, and 321 is a speed reducer 321a provided on the lower surface of the elevating step plate 32. These motors are equipped with electromagnetic brakes 321b for lifting and lowering the left and right sides. Vertical left and right screw shafts 322 are provided on the bracket 313 and are threadedly fitted into internal screws 314, respectively, and the motors 321 are used to move the motors forward and backward. electric motor 3
The vertical step plate 32, which together with the movable step 33 constitutes the movable part 34, moves up and down with respect to the step main body 311 by rotating the screw shaft 322 due to the biasing force of the step 21, while maintaining a horizontal state. Reference numeral 331 is a reversing electric motor with a reducer 331a and an electromagnetic brake 331b installed on the left and right (width) sides of the upper surface when the movable treadle 33 is reversed. The worm shaft 332 extends in the direction, and is engaged with a worm gear 333. A horizontal shaft 334 of this gear 333 extends in the left-right direction, and one end of the shaft 334 is supported by a bearing 335 provided on the lower floor side end of the movable step board 33, and the other end is provided in the elevating step board 32. It is pivotally supported by a bearing 323. Further, a horizontal shaft 336 is arranged on the axial extension line of the shaft 334 on the other side of the upper surface in the left and right direction when the movable footboard 33 is inverted, and one end of the shaft 336 is fitted into a protrusion 337 provided on the movable footboard 33. is,
The other end is fitted to the upper protrusion 324 provided on the elevating step board 32, and the shaft 336 is pivotally supported by one of the protrusions 337 and 324 and fixed to the other, so that one end of the movable step board 33 can be raised and lowered. It is connected to the lower floor side end of the footboard 32. Then, due to the rotation by the biasing force of the electric motor 331 for reversing, the movable tread plate 33 with respect to the elevating tread plate 32 is changed between the normal operating state in which these tread plates are closely stacked vertically as shown in FIG. 3, and the movable tread plate 3
3 is configured to rotate within an angular range of approximately 180° between the elevator step board 32 and the wheelchair operation state in which the wheelchair is deployed horizontally toward the lower floor. 391 is deceleration 1391a. It is a driving source for a raising electric motor with an electromagnetic brake 391b, that is, a car stopper 39.
1 and are arranged side by side in the front-back direction. Erecting motor 3
A worm shaft 392 that is rotated forward and backward by a worm shaft 91 extends in the front-rear direction, and is engaged with a worm gear 393 . A horizontal shaft 394 of this gear 393 extends in the left-right direction, and one end of the shaft 394 is supported by a bearing 395 provided on the wheel stopper 39, and the other end is supported by a bearing 395 provided at the free end of the movable step plate 33. 338. Also,
A shaft 394 is provided on the other side of the upper surface in the left and right direction when the movable footboard 33 is reversed.
A horizontal axis 396 is disposed on the axial extension of the axis 39
6 is fitted into a projection 397 provided on the wheel stopper 39, the other end is fitted into a projection 339 provided on the movable footboard 33, and the shaft 396 is pivotally supported by one of the projections 397 and 339. By being fixed to the other side, one end portion of the wheel stopper 39 is connected to the tip portion of the movable footboard 33 located on the lower floor side. The car stopper 39 is configured to swing relative to the movable footboard 33 between the solid line position and the a line position in FIG. 315 is a test connector provided on the step main body 311, and 316 is a connector 315 and each of the above electric motors 321, 33.
The wiring 317 connecting 1.391 is placed at a position corresponding to the stop position of the special steps 31, supported on the escalator frame side, and moved forward and backward by an appropriate mechanism according to commands from the control type. A male connector 318 connects and disconnects from the connector 315 of the step body 311 electrically, and 318 is a wiring that connects the connector 317 and the power source.
318 are each composed of curl cords. Moreover, 319 is a space formed between the elevating step 32 and the step main body 311 and housing the electric motors 331 and 391. Note that the configuration of this embodiment other than that described above is the same as that of the conventional escalator shown in FIG. Next, the operation of the special step according to this embodiment will be explained. When transporting a wheelchair user from the lower floor to the upper floor, the third
As shown in the figure, in a normal operating state, the elevating step board 32 is lowered, the movable step board 33 is overlapped on the elevating step board 32, and the car stop 39 is positioned horizontally on the upper floor side of the movable step board 33.
The special step 31 is stopped at a predetermined position immediately before the lower floor entrance,
Connect the connectors 317 and 315 and connect the lifting motor 32.
1 and the reversing electric RFAJ machine 331, and by driving these in the forward direction, the elevating step board 32 is raised, the movable step board 33 is reversed, and these are stopped as shown in FIG. 33 and the horizontal chain line position. In this state, the wheelchair operator is placed on the treads of the movable tread 33 and the elevating tread 32, and then power is supplied to the electric motor 391 for standing up, and the forward rotation of the electric motor 391 causes the wheel stopper 39 to move as shown by the solid line in FIG. stand up like this. Next, run the escalator upwards and move to the special step 3.
1 through a certain slope section to a predetermined position close to the horizontal part of the upper floor, the escalator is stopped, and the wheelchair is lowered from the holding steps 31 to the entrance on the upper floor. By supplying power to the vehicle and driving them in reverse, the elevating footboard 32, the movable footboard 33, and the wheel stopper 39 are moved from the wheelchair transporting state to the third stage (not shown in FIG. 1).
Return to the normal operating state shown in the figure and operate the escalator normally. When transporting from the lower floor to the upper floor, the escalator is stopped by placing the holding step 31 at a predetermined position close to the horizontal part of the upper floor, and the escalator is rotated forward by the normal rotation of the electric motors 321, 331 and 391. Rise, movable tread 3
3 is reversed and the wheelchair is conveyed in a state where the wheel stopper 39 is upright. 1: The wheelchair is put on the special steps 31 in this state, and at this time, the wheel chair is prevented from falling due to overrun by the wheel stopper 39. Next, the escalator is operated downward, and the special step 31 is placed in a predetermined position on the horizontal part of the lower floor near the lower floor entrance and exit, and the escalator is stopped. Then, only the electric rJjJ machine 391 for standing up is driven in reverse, and the car stopper 39 is moved. The wheelchair is returned to a horizontal position with the movable tread 33, and in this state, the wheelchair is lowered from the special step 31 to the entrance on the lower floor. After that, the elevating/lowering electric motor 321 and the reversing electric motor 391 are reversely driven to return the elevating/lowering step board 32 and the movable step board 33 to the normal operating state. The operations of this embodiment other than those described above are the same as those shown in FIG. As described above, in this embodiment, the elevating step board 32, the movable step board 33, and the car stop 39 can be operated independently by the elevating motor 321, the reversing motor 331, and the elevating motor 44391, which are provided separately. It has a simpler structure compared to those that link elevating and movable treads with various links such as dog and small irregularly shaped links.
Ensure reliability. In addition, each of the above Ti motives 321, 3
The control of 31°391 can be easily automated using a control panel, and the raising and returning of IjL stop 39 (even if the 5th ring is different for ascending and descending escalator operation, this can be controlled electrically with a single button operation). This problem can be solved, and the operation of the bollard 39 that is farthest from the step body 311 can be easily controlled when necessary, thereby shortening the preparation period for wheelchair operation and improving the transportation capacity of the escalator during normal operation. Furthermore, in this embodiment, since the reversing electric motor 331 and the standing electric motor 391 are provided on the same side edge of the movable footboard 33, it is possible to reduce the space in which the wheelchair is placed. As shown in FIG.
By inverting only the movable step board 33 with the reversing electric motor 81331 and the standing electric motor 391 stored in the space 319 between the step body 311 and the elevating step board 32, you can insert your hand from the space 319 and remove the step body. 311, and the equipment located on the top surface of the movable tread 33 when it is inverted. Therefore, the structure in which the elevating tread and the movable tread are linked. Unlike conventional products, which require disassembling and reassembling component parts, repair and inspection work in the event of a breakdown can be done quickly and easily. Note that this embodiment can be used in combination with a floor plate that also serves as a wheelchair boarding platform that can be raised and lowered, which is provided at the lower floor entrance and exit, which the inventor has proposed at the same time. Until the wheelchair gets on the special steps 31 on the floor side, the elevator tread 32 and the movable tread 33 should be raised low and the movable tread should be kept in an inverted state to make it easier for the wheelchair to get on. The footboard 33 can be raised to a required height and the escalator can be controlled for wheelchair operation. In this case, the lower floor entrance floor plate may be of a fixed type. Furthermore, in this embodiment, one of the left and right electric motors 321 for lifting and lowering may be omitted, and one screw shaft 322 may be interlocked with the other using a gear or the like, and each electric motor 3
21, 331, and 391 may be small, and the electromagnetic brakes 321b, 331b, and 391b are released when power is supplied, and are automatically activated by springs when power supply is stopped.
The movable footboard 39 is held in a predetermined position, and the screw shaft 3
Preferably, 22 has a trapezoidal thread. moreover,
In this embodiment, the reversing electric motor may be fixed to the elevating footboard, and the raising electric motor may be fixed to the car stop. In the present invention, the movable part is not limited to the one having the elevating and lowering tread plates and the reversible movable tread plate as in the above-described embodiment, and can be modified as appropriate.

【Effect of the invention】

As explained above, according to the present invention, a special step with a wheel stopper pivotally attached to a movable part for mounting a wheelchair is provided, a drive source is provided on one of the movable part and the wheel stopper, and the drive source allows the wheel stopper to be independently operated. Since the structure is simple and reliable, it can be operated even when the wheel stopper is far from the main body of the special step, and furthermore, the preparation time for wheelchair operation is shortened. This has the effect of improving transportation capacity during normal operation.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional side view showing a special step according to an embodiment of the present invention in a wheelchair operating state, FIG. 2 is a plan view of the same, FIG. It is a schematic side view showing an example of an escalator. 3 Normal steps, 31 Special steps, 311 Step body, 3
19 Vacant space, 32- Lifting step board, 321 Lifting electric motor, 3
3 Movable tread, 331 For reversal? llI machine (drive source)
34 Movable parts, 39 Car stops, 391 Electric motors for standing up, 6 Wheelchair users, 61 Wheelchairs. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] A special step in which at least one of a plurality of steps connected in an endless manner has a movable part on which a wheelchair is mounted, and a bollard that can be raised up and down from the lower end of the movable part during wheelchair operation. What is claimed is: 1. An escalator comprising: a bollard pivotally connected to a movable part; and a drive source provided on one of the movable part and the bollard to independently raise and lower the bollard.