JP3987647B2 - Escalator with step for wheelchair - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to an escalator with a step for a wheelchair, in which a plurality of steps are connected to a transport belt to which a plurality of steps are connected, and a plurality of steps are connected to form a wheelchair loading surface when necessary.
[0002]
[Prior art]
  As a first conventional wheelchair stepped escalator, for example, there is the following configuration disclosed in Japanese Patent Publication No. 2-14278. In other words, a wheelchair is required by a transport belt in which a large number of steps are connected endlessly and circulates and moves in the main frame, and a tilting step, a fork step and a car stop step provided between the steps forming a part of the transport belt. A wheelchair step is provided that forms a loading surface.
[0003]
  Moreover, as a 2nd conventional wheelchair stepped escalator, there exists the structure described next, for example in patent 2581176 gazette. That is, the aforementioned wheelchair steps provided between the steps of the transport belt engage with the in-process device provided at the end of the main frame to form a wheelchair loading surface when necessary.
[0004]
  In these first and second conventional wheelchair stepped escalators, the wheelchair steps are mutually connected with the treads of the plurality of wheelchair steps sufficiently exposed from the top of the floor board at the entrance of the main frame. And is configured to form a wheelchair loading surface. For this reason, the conveyance surface horizontal movement area corresponding to the length along the main frame length of the tread surface of a plurality of wheelchair steps exposed at the longitudinal end of the main frame is provided.
[0005]
[Problems to be solved by the invention]
  In the conventional escalator with a wheelchair step as described above, a relatively long transfer surface horizontal movement area of the wheelchair step is formed at the longitudinal end portion of the main frame. In addition, in the second conventional wheelchair stepped escalator described above, the wheelchair loading surface is formed by engaging the wheelchair step with the in-flight device at the end of the main frame without stopping the transport belt during wheelchair transport. Perform the forming operation. For this reason, it is necessary to horizontally move the wheelchair step while the wheelchair step engages and moves with the work-in-progress device provided at the upper end of the main frame.
[0006]
  Therefore, the transport surface horizontal movement area of the transport band such as the upper end of the main frame becomes longer than the standard escalator. For this reason, when remodeling a standard escalator with a short horizontal moving part at the main frame end to an escalator with a wheelchair step, in order to obtain the required installation space in the length of the main frame, the support at the end of the main frame There was a problem of requiring construction to widen the distance between each other.
[0007]
  The present invention has been made to solve such problems, and an object thereof is to obtain a wheelchair stepped escalator that can be installed in a longitudinal space of a main frame comparable to that of a standard escalator.
[0008]
[Means for Solving the Problems]
  In the wheelchair stepped escalator according to the present invention,The main frame of the escalator where the entrance and exit are formed at the lower end and the upper end,A transport belt that is circulated and moved in an inclined main frame with a number of steps connected endlessly;A first armchair step having a connecting arm movable mechanism including a connecting arm projecting and displaced toward the lower end side of the main frame to form a wheelchair loading surface, and disposed on the lower end side of the main frame of the first wheelchair step A second step for a wheelchair that is provided with a rising stepping plate movable mechanism that is supported by the protruding connecting arm movable mechanism and that forms the wheelchair loading surface, and the main frame of the first wheelchair step. An inclined wheelchair step provided with an inclined treadboard movable mechanism composed of an inclined treadle that is arranged on the upper end side and tilted downward at the lower end side of the main frame when necessary, and is arranged near the lower end portion in the main frame, and is always above Each wheelchair step is held at a position that does not engage with each movable mechanism, moves when necessary, and each of the steps for the inclined wheelchair step and the second wheelchair step in the horizontal movement range of the transport zone at the lower end portion of the main frame. Engage with drive mechanism and above The step and the gradient wheelchair A lower lower device that operates each drive mechanism of the two wheelchair steps, and a lower lower device in the main frame that is disposed on the upper side of the lower lower device, and each wheelchair step is normally movable. The first wheelchair step is held at a position not engaged with the mechanism, moved when necessary, and engaged with the drive mechanism of the first wheelchair step in the horizontal movement area of the transport band at the lower end portion of the main frame. Lower upper work device for operating the drive mechanism, and disposed near the upper end in the main frame, and is normally held at a position not engaged with each movable mechanism of each wheelchair step, and moves when necessary. An upper lower apparatus for engaging the movable mechanism of the second wheelchair step in the horizontal movement range of the transport zone at the upper end of the main frame, and operating the movable mechanism of the second wheelchair step; and the main frame The upper lower side of the upper right side of the door is just below the entrance comb It is arranged on the upper side of the hanging device, is normally held at a position where it does not engage with each movable mechanism of each wheelchair step, moves when necessary, and inclines in the horizontal movement area of the transport band at the upper end of the main frame. An upper upper working device that engages with each drive mechanism of the wheelchair step and the first wheelchair step and operates each drive mechanism of the step for the inclined wheelchair and the step for the first wheelchair, and a transfer surface of the transfer band The transport plane horizontal movement area disposed near the upper end side entrance / exit of the main frame is formed to be shorter than the horizontal plane length along the length of the main frame of the wheelchair loading surface.
[0009]
  Moreover, in the escalator with a wheelchair step according to the present invention, a control device is provided that moves the transport belt at a low speed when the movable mechanism of the wheelchair step is operated by engagement with the in-process device.
[0010]
  Further, in the wheelchair stepped escalator according to the present invention, the in-process device is installed at a position corresponding to the bottom surface of the main frame upper end side entrance and exit, and the movable mechanism of the wheelchair step is retracted and retracted by the in-process device on the bottom surface of the floor plate. A control device for projecting is provided.
[0011]
  In the escalator with a wheelchair step according to the present invention, a wheelchair loading surface is formed near the main frame upper end side entrance / exit by the step for the first wheelchair and the step for the second wheelchair, and the tilting stepping plate of the step for the tilting wheelchair is movable. A control device is provided that stops the transport belt in a state in which a part of the upper end side of the main frame of the mechanism is disposed at a position corresponding to the bottom surface of the main frame upper end side entrance / exit.
[0012]
  Moreover, in the wheelchair stepped escalator according to the present invention,The step for the second wheelchair is disposed on the lower end side of the main frame of the step for the first wheelchair and protrudes and moves to the lower end side of the intermediate frame including the intermediate stepping plate mechanism that is supported by the connecting arm movable mechanism that protrudes. The intermediate connecting arm is provided with an intermediate connecting arm movable mechanism including a connecting arm and has an intermediate wheelchair step that forms a wheelchair loading surface. The intermediate connecting arm protrudes from the lower end of the main frame of the intermediate wheelchair step. A lift footboard movable mechanism comprising a lift footboard supported by the movable mechanism is provided to form the wheelchair loading surface.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
  1-12 is a figure which shows an example of embodiment of this invention, FIG. 1 is a conceptual side view of the escalator with a step for a wheelchair, FIG. 2 is a principal part enlarged view of FIG. 1 which shows a wheelchair conveyance condition, 3 is a diagram for explaining a first situation of wheelchair conveyance on the lower end side of the main frame of FIG. 1, FIG. 4 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 3, and FIG. FIG. 6 is a diagram for explaining a third situation, and FIG. 6 is a diagram for explaining a fourth situation of wheelchair conveyance in FIG.
[0014]
  7 is a diagram for explaining the fifth situation of wheelchair conveyance in FIG. 3, FIG. 8 is a diagram for explaining the sixth situation of wheelchair conveyance in FIG. 3, and FIG. 9 is a diagram of wheelchair conveyance at the upper end side of the main frame in FIG. FIG. 10 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 9, FIG. 11 is a diagram for explaining a third situation of wheelchair conveyance in FIG. 9, and FIG. 12 is a diagram of wheelchair conveyance in FIG. It is a figure explaining a 4th situation.
[0015]
  In the figure, 1 is an inclined escalator main frame, 2 is the lower end of the main frame 1, 3 is the upper end of the main frame 1, 4 is the entrance and exit formed at the lower end 2 and the upper end 3 of the main frame 1, respectively. Reference numeral 5 denotes a comb provided at the entrance / exit 4 and arranged on the longitudinal intermediate portion side of the main frame 1. Reference numeral 6 denotes a transport belt in which a large number of steps 7 are connected endlessly to circulate through the main frame 1.
[0016]
  Reference numeral 8 denotes a lower upper working device provided in the main frame 1 and disposed near the lower end 2. The lower device 8 is configured by a crank mechanism that is driven by an electric motor and operates. It is comprised by the 1st drive mechanism 11 which formed the engagement mechanism with the roller chain 10 arrange | positioned in parallel with the longitudinal direction of this, and driven with an electric motor.
[0017]
  The lower upper in-process device 8 is engaged with a first wheelchair step described later, and retreats a connecting arm described later of the first wheelchair step during the ascending operation during the projecting / lowering operation. A single roller chain 10 is provided for this function.
[0018]
  Reference numeral 12 denotes a lower lower work device provided in the main frame 1 and disposed closer to the lower end 2 and closer to the lower end work device 2 than the lower upper work device 8, and is provided by a crank mechanism driven by an electric motor. The lifting and lowering device 9 configured and operated is configured by a second driving mechanism 13 provided in the lifting and lowering device 9 and arranged in parallel with the longitudinal length of the main frame 1 and forming an engagement mechanism by a roller chain 10 driven by an electric motor. Yes.
[0019]
  The lower lower in-work device 12 engages with a step for a tilt wheelchair and a step for a second wheelchair, which will be described later, and holds the horizontal posture maintaining mechanism for the step for the tilt wheelchair during the lift operation and during the release / down operation. Also, during the ascending operation, the up and down movement holding mechanism of the second wheelchair step, which will be described later, is released and held during the descent operation. Pull out the car stopper piece during driving and retreat during driving down. For this reason, since one roller chain 10 is required for each function, four roller chains 10 are provided although illustration is omitted.
[0020]
  Reference numeral 801 denotes an upper upper work device provided in the main frame 1 and disposed near the upper end 3. The upper and lower work device 801 is configured by a crank mechanism driven by an electric motor and operates by the lift device 9. It is comprised by the 1st drive mechanism 11 which formed the engagement mechanism with the roller chain 10 arrange | positioned in parallel with the longitudinal direction of this, and driven with an electric motor.
[0021]
  The upper upper work device 801 is engaged with a step for a tilt wheelchair and a step for a first wheelchair, which will be described later, and holds the horizontal posture holding mechanism of the step for the tilt wheelchair during the lowering operation and during the release / upward operation. Further, a connecting arm, which will be described later, of the first wheelchair step is retracted during the descending operation and retreated during the ascending / raising operation. For this reason, since one roller chain 10 is required for each function, two roller chains 10 are provided although illustration is omitted.
[0022]
  Reference numeral 1201 denotes an upper lower work apparatus provided in the main frame 1 and arranged closer to the upper end 3 and closer to the lower end 2 of the main frame 1 than the upper upper work apparatus 801. The upper lower work apparatus 1201 includes a crank mechanism driven by an electric motor. The lifting / lowering device 9 that operates in this manner, and the second driving mechanism 13 that is provided in the lifting / lowering device 9 and that is arranged in parallel with the longitudinal length of the main frame 1 and that forms an engagement mechanism by a roller chain 10 that is driven by an electric motor. .
[0023]
  The upper lower work-in-progress device 1201 engages with a second wheelchair step, which will be described later, holds a lifting mechanism for raising and lowering a stepping plate, which will be described later, of the second wheelchair step during the lowering operation, and holds it during the lifting operation. Pull out the car stopper piece when driving and retire when driving up. For this reason, since one roller chain 10 is required for each function, two roller chains 10 are provided although illustration is omitted.
[0024]
  Reference numeral 14 denotes a step for an inclined wheelchair that is part of the transport belt 6 and is disposed between the steps 7, and when necessary, an inclined step plate movable mechanism 15 including an inclined step plate whose lower end 2 side of the main frame 1 is inclined downward is movable. Forward rotation that is pivotally attached to the mechanism 15 and supported by a tilting roller 16 supported on a tilting rail 16 provided on the main frame 1 and a lower lower mechanism 12 on the lower end 2 side of the main frame 1 when the wheelchair is transported. A reversing pinion 19 is provided that engages with the upper upper work-in-progress device 801 on the upper end 3 side of the main frame 1 during transport of the pinion 18 and the wheelchair.
[0025]
  Reference numeral 20 denotes a first wheelchair step that is part of the transport belt 6 and is disposed between the steps 7 and is engaged with the first drive mechanism 11 and the like of the lower upper in-process device 8 that is composed of a gear mechanism and is raised when necessary. And a forward / backward mechanism 21 that is driven by the forward / backward mechanism 21, and a forward / backward mechanism 21 is provided with a connecting arm movable mechanism 22 including a connecting arm that projects and displaces to the lower end side of the main frame 1 via the rack mechanism. 14 main frame 1 is arranged on the lower end 2 side.
[0026]
  23 is a part of the transport belt 6 and is provided between the steps 7 and is disposed on the lower end 2 side of the main frame 1 of the first wheelchair step 20, and 24 is a step for the second wheelchair. 23, the lift foot plate movable mechanism comprising the lift foot plate is displaced from the base portion of the second wheelchair step 23 to the raised position by the operation of the lifting device 9 of the lower lower mechanism 12. The lifted footboard movable mechanism 24 that has been lifted is supported by the connecting arm movable mechanism 22 of the first wheelchair step 20 protruding and fitted into a support hole 25 provided in the lifted footboard movable mechanism 24, and It is arrange | positioned in the step board surface position of the step 20 for one wheelchair.
[0027]
  Reference numeral 26 denotes a vehicle stop piece movable mechanism comprising a vehicle stop piece provided on the lower end 2 side of the main frame 1 of the ascending tread plate 24. A rack mechanism is provided, which is normally disposed at the retracted position, and a transmission mechanism 27 comprising a gear mechanism is provided. Thus, the transmission mechanism 27 engages with the second drive mechanism 13 of the lower lower in-process device 12 and is driven to protrude upward.
[0028]
  Reference numeral 28 denotes a boarding base movable mechanism including a boarding base provided on the rising stepping plate 24. A transmission mechanism 29 including a rack mechanism is provided and is always disposed at the retracted position, and the lower lower mechanism 12 having the transmission mechanism 29 raised. The second drive mechanism 13 and the like are driven and driven to protrude toward the lower end 2 side of the main frame 1. Reference numeral 30 denotes a wheelchair, which is carried on a wheelchair loading surface 31 formed with the first wheelchair step 20 and the second wheelchair step 23 as main parts.
[0029]
  A control device 32 is connected to the lower upper work device 8, the lower lower work device 12, the upper upper work device 801, the upper lower work device 1201, and the escalator drive (not shown) for the wheelchair.
  2 and the like is arranged near the entrance 4 on the upper end 3 side of the main frame 1 on the transfer surface of the transfer band 6, and extends along the length of the main frame 1 of the wheelchair loading surface 31. It is shorter than the horizontal plane length.
[0030]
  In the escalator with a step for a wheelchair configured as described above, the lifting device 9 of the lower upper device 8 is normally shown in FIG. 3, and the lifting device 9 of the lower lower device 12 is shown in FIG. In addition, the lifting device of the upper upper work device 801 and the upper lower work device 1201 is also placed in the lower position. In this state, the first drive mechanism 11 of the lower upper work-in device 8, the second drive mechanism 13 of the lower lower work-in device 12, etc. do not hit the riser such as the step 7 as shown in FIGS. 3 and 4, Further, they are arranged at positions that do not engage with the forward rotation pinion 18, the reverse rotation pinion 19 of the inclined wheelchair step 14, the advance / retreat mechanism 21 of the first wheelchair step 20, and the transmission mechanisms 27 and 29 of the second wheelchair step 23.
[0031]
  Further, the inclined tread board movable mechanism 15 of the step 14 for the inclined wheelchair is held in a horizontal position with respect to the base. The connecting arm movable mechanism 22 of the first wheelchair step 20 is disposed in the retracted position, and the ascending tread plate movable mechanism 24 and the vehicle stop piece movable mechanism 26 of the second wheelchair step 23 are disposed in the lowered position, respectively. The table movable mechanism 28 is held at the retracted position.
[0032]
  In this state, the transport belt 6 is circulated in the main frame 1, and general passengers are transported by the step 7, the inclined wheelchair step 14, the first wheelchair step 20, and the second wheelchair step 23. It should be noted that all the steps such as the first wheelchair step 20 are moved horizontally from the entrance 4 on the lower end 2 side in the ascending operation, and then gradually increased in inclination angle with the inclination angle gradually increasing.
[0033]
  Next, when the vehicle moves toward the entrance / exit 4 on the upper end 3 side by moving at a constant inclination with a constant inclination angle, the inclination angle gradually decreases and the inclination angle gradually decreases. Thereafter, it moves horizontally to the entrance 4 on the upper end 3 side and circulates. Note that during the descending operation, all the steps circulate in the reverse order as in the ascending operation.
[0034]
  When the wheelchair 30 is transported up, that is, when the wheelchair 30 is transported from the entrance 4 on the lower end 2 side to the entrance 4 on the upper end 3 side, the escalator with a wheelchair step is operated by a wheelchair operation switch (not shown) Switch to transfer operation. As a result, the lifting device 9 of the lower lower in-process device 12 is lifted by the operation of the control device 32, and the transport belt 6 is lifted at a low speed. When the inclined wheelchair step 14 passes over the braked second drive mechanism 13 of the lower lower mechanism 12, the forward rotation pinion 18 of the inclined wheelchair step 14 is second as shown in FIG. 3. The drive mechanism 13 is engaged and driven.
[0035]
  As a result, the holding of the horizontal posture of the tilting tread board movable mechanism 15 is released, and the tiltable state becomes possible. Next, the first wheelchair step 20 moves to the gradually increasing slope movement area and faces the lower upper mechanism device 8, and the second wheelchair step 23 is arranged in the horizontal movement area and faces the lower lower mechanism device 12. Stop at.
[0036]
  In this state, as shown in FIG. 4, the inclined wheelchair step 14 in the inclined wheelchair step 14 is guided by the inclination rail 16 and the inclination roller 17 is inclined. Further, the first wheelchair step 20 is disposed at a position that is gradually inclined and moved higher than the second wheelchair step 23. In this state, the step 7 on the lower end 2 side of the main frame 1 of the step 23 for the second wheelchair is arranged in a state in which approximately 30% of the length along the moving direction is advanced from the comb 5 of the entrance 4.
[0037]
  Then, the lower lower in-process device 12 is lifted from the state shown in FIG. 4 and the raised foot plate movable mechanism 24 of the second wheelchair step 23 is pushed up to the state shown in FIG. Placed at the same height. Although not shown in the figure, the ascending treadboard movable mechanism 24 rises through a predetermined path with respect to the base of the second wheelchair step 23 and has a small gap between the riser and the riser provided in the first wheelchair step 20. Displacement operation is performed in the state of forming.
[0038]
  In addition, before the lower lower work-in-progress device 12 is lifted and the lifted foot plate movable mechanism 24 of the second wheelchair step 23 is pushed up, the lifted foot plate movable mechanism 24 is integrated with the second wheelchair step 23 to move up and down. The mechanism is released by the lower lower in-process device 12.
[0039]
  Next, in the state shown in FIG. 5, the electric motor of the first drive mechanism 11 of the lower upper device 8 is energized, and the advance / retreat mechanism 21 of the first wheelchair step 20 engaged with the first drive mechanism 11 is driven. As a result, the connecting arm movable mechanism 22 protrudes toward the lower end 2 of the main frame 1 and fits into the support hole 25 of the second wheelchair step 23 to be in the state shown in FIG. A wheelchair loading surface 31 is formed by the upper surface of the footboard movable mechanism 24.
[0040]
  Then, in the state shown in FIG. 6, the electric motor of the second drive mechanism 13 of the lower lower device 12 is energized to drive the transmission mechanism 29 of the second wheelchair step 23. As a result, the boarding table movable mechanism 28 protrudes and is bridged by the comb 5 on the lower end 2 side of the main frame 1 which is opposed to the state shown in FIG.
[0041]
  Next, the wheelchair 30 is mounted on the formed wheelchair loading surface 31 from the entrance 4 on the lower end 2 side, and then the electric motor of the second drive mechanism 13 of the lower lower mechanism 12 is energized to step on the second wheelchair step. 23 transmission mechanisms 27 are driven. As a result, the vehicle stopper piece movable mechanism 26 protrudes upward and enters the state shown in FIG. 8. The vehicle stopper piece movable mechanism 26 prevents displacement of the wheelchair 30 mounted on the wheelchair stacking surface 31 toward the lower end 2 of the main frame 1. .
[0042]
  Then, the electric motor of the second drive mechanism 13 of the lower lower in-process device 12 is energized to drive the transmission mechanism 29 of the second wheelchair step 23. As a result, the boarding platform movable mechanism 28 is retracted and accommodated in the raised footboard movable mechanism 24. Next, with the lower upper in-process device 8 and the lower lower in-process device 12 lowered and away from the transmission mechanism 27, the transport belt 6 is operated to rise at a normal speed by the control device 32.
[0043]
  In this way, the wheelchair loading surface 31 composed of the stepping plate moving mechanism 24 and the stepping surface of the first wheelchair step 20 maintains the horizontal posture and moves horizontally from the entrance 4 on the lower end 2 side, and then the inclination angle gradually increases. Move gradually increasing slope. Next, when the vehicle moves toward the entrance / exit 4 on the upper end 3 side of the main frame 1 by moving with a constant inclination angle, the inclination angle gradually decreases and the inclination angle gradually decreases.
[0044]
  Then, the tilt wheelchair step 14 is guided by the tilting roller 16 to the tilting rail 16 and the tilting stepping plate movable mechanism 15 returns to the horizontal posture and moves to the horizontal movement area. Next, the transport belt 6 is stopped at a position where the inclined wheelchair step 14 is opposed to the upper upper working device 801 disposed at a position immediately below the comb 5 at the upper end 3 side entrance 4 of the main frame 1. In this state, the wheelchair 30 descends from the wheelchair loading surface 31 to the entrance 4 on the upper end 3 side of the main frame 1.
[0045]
  From this state, the elevating device 9 of the upper upper work device 801 is raised to the state shown in FIG. 9, and is engaged with the first drive mechanism 11 of the upper upper work device 801 and the reverse pinion 19 of the inclined wheelchair step 14. . Then, the first drive mechanism 11 of the upper upper work-in device 801 is operated to drive the reverse pinion 19, and the inclined footboard movable mechanism 15 is held in a horizontal posture through the operation of the reverse pinion 19. In addition, holding | maintenance of the horizontal posture holding | maintenance mechanism of the step 14 for inclined wheelchairs is performed in the driving | running state of an escalator, ie, the movement state of the conveyance belt | band | zone 6. FIG.
[0046]
  Next, the upper upper in-process device 801 descends and the transport belt 6 moves again in the ascending operation direction at a low speed, and the ascending treadboard movable mechanism 24 descends with respect to the base of the second wheelchair step 23. Then, the first wheelchair step 20 faces the upper upper device 801, and the second wheelchair step 23 moves to the transport surface horizontal movement area A near the entrance 4 on the upper end 3 side of the main frame 1 It stops at a position facing the in-process device 1201. In this state, the upper upper work device 801 and the lower lower work device 1201 are raised, and the first drive mechanism 11 of the upper upper work device 801 is engaged with the advance / retreat mechanism 21 of the first wheelchair step 20.
[0047]
  Further, the second drive mechanism 13 of the lower lower in-process device 1201 is engaged with the transmission mechanism 27 of the second wheelchair step 23 to be in the state shown in FIG. Next, from the state shown in FIG. 10, the advance / retreat mechanism 21 is driven by the operation of the first drive mechanism 11 of the upper upper in-process device 801, and the connecting arm movable mechanism 22 is retracted, and the first wheelchair step 20 and the second wheelchair step. 23 is released and the state shown in FIG. 11 is obtained.
[0048]
  Further, the transmission mechanism 27 is driven by the operation of the second drive mechanism 13 of the lower lower work-in-progress device 1201, and the vehicle stop piece movable mechanism 26 is retracted. Then, the lower lower in-progress device 1201 descends to the state shown in FIG. 12, and from this state, the upper upper in-progress device 801 descends and the wheelchair stepped escalator returns to normal operation. Before the lower lower in-progress device 1201 descends, the lower lower in-progress device 1201 holds the vertical movement holding mechanism in which the ascending treadboard movable mechanism 24 is integrated with the second wheelchair step 23.
[0049]
  In the above description, the wheelchair 30 is transported up and down from the entrance / exit 4 on the lower end 2 side of the main frame 1 to the entrance / exit 4 on the upper end 3 side. In contrast, when the wheelchair 30 is transported downward from the entrance 4 on the upper end 3 side of the main frame 1 to the entrance 4 on the lower end 2 side, related devices such as the upper upper work device 801 and the lower lower work device 1201 are connected. The wheelchair 30 is operated in the reverse direction of the ascending conveyance. As a result, although the detailed description is omitted, the same action as when the wheelchair 30 is lifted and conveyed can be obtained.
[0050]
  As described above, at the upper end 3 side entrance / exit 4 of the main frame 1, the inclined stepping plate movable mechanism 15 of the inclined wheelchair step 14 is held in a horizontal posture by the upper upper working device 801 disposed immediately below the comb 5. Next, the first wheelchair step 20 and the second wheelchair step 23 move to the transfer surface horizontal movement area A near the entrance 4 on the upper end 3 side of the main frame 1, and the upper upper mechanism 801 and the lower lower mechanism By the operation 1201, the respective connecting arm movable mechanism 22 and the vehicle stopper movable mechanism 26 are retreated.
[0051]
  Moreover, the wheelchair loading surface 31 is formed in the conveyance surface horizontal movement area A shorter than the horizontal plane length along the length of the main frame 1 of the wheelchair loading surface 31 formed near the main frame 1 upper end 3 side entrance / exit 4. Thereby, the conveyance surface horizontal movement area of the conveyance belt | band | zone of the upper end part of the main frame 1 can be made into the length comparable to a standard escalator. Therefore, the standard escalator having a short horizontal moving portion at the end of the main frame 1 can be easily remodeled into an escalator with a step for a wheelchair without requiring a work for increasing the distance between the supports at the end of the main frame 1. .
[0052]
  In addition, in the embodiment shown in FIGS. 1 to 12, the operation of the inclined tread plate moving mechanism 15 of the inclined wheelchair step 14 that is driven by the control device 32 being engaged with the lower upper in-process device 8 and the vehicle stopper moving mechanism 26. Sometimes, since the transport belt 6 moves at a low speed, the wheelchair transport operation can be streamlined.
[0053]
Embodiment 2. FIG.
  13 to 23 are views showing an example of another embodiment of the present invention. FIG. 13 is a conceptual side view of a wheelchair stepped escalator, and FIG. 14 is an enlarged view of a main part of FIG. 15 is a diagram for explaining a first situation of wheelchair conveyance on the lower end side of the main frame in FIG. 13, FIG. 16 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 15, and FIG. 17 is a wheelchair conveyance in FIG. FIG. 18 is a diagram for explaining a fourth situation of wheelchair conveyance in FIG. 15.
[0054]
  19 is a diagram for explaining a first situation of wheelchair conveyance on the upper end side of the main frame in FIG. 13, FIG. 20 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 19, and FIG. 21 is a diagram of wheelchair conveyance in FIG. FIG. 22 is a diagram for explaining the fourth situation of wheelchair conveyance in FIG. 19, and FIG. 23 is a diagram for explaining the fifth situation of wheelchair conveyance in FIG.
[0055]
  In the figure, the same reference numerals as those in FIGS. 1 to 12 denote the corresponding parts. Reference numeral 80 denotes a lower in-process device, which is provided in the main frame 1 and is arranged closer to the comb 5 on the lower end 2 side. Reference numeral 81 denotes an upper work-in device, which is provided in the main frame 1 and arranged below the comb 5 on the upper end 3 side. 200 is a step for an intermediate wheelchair that forms a part of the transport belt 6, and is disposed between the step 20 for the first wheelchair and the step 23 for the second wheelchair. An advancing / retreating mechanism 210 that is driven by being engaged with the mechanism 11 or the like is provided, and an intermediate connecting arm movable mechanism 220 including a connecting arm that projects and displaces to the lower end side of the main frame 1 via the rack mechanism by the advancing / retreating mechanism 210. Equipped.
[0056]
  Reference numeral 240 denotes an intermediate ascending tread plate mechanism provided on the intermediate wheelchair step 200. The connecting arm movable mechanism 22 of the first wheelchair step 20 projects into the support hole 25 provided in the intermediate ascending tread plate mechanism 240. The first wheelchair step 20 is supported at the position of the tread plate surface by being fitted.
[0057]
  Further, the intermediate connecting arm movable mechanism 220 protrudes through the advance / retreat mechanism 210 by the operation of the drive mechanism 11 of the lower mechanism 80, and fits into the support hole 25 of the ascending tread plate movable mechanism 24 of the second wheelchair step 23. Thus, the tread surface of the ascending tread plate moving mechanism 24 is held at the tread surface position of the intermediate ascending tread plate mechanism 240.
  A wheelchair loading surface 310 is formed by the first wheelchair step 20, the intermediate wheelchair step 200, and the second wheelchair step 23.
[0058]
  In the wheelchair stepped escalator configured as described above, the elevating device 9 of the lower in-process device 80 and the upper in-process device 81 is normally disposed at the lowered position. In this state, the drive mechanism 11 of the lower mechanism 80 is not placed on the riser such as the step 7 and is not engaged with the forward pinion 18 and the reverse pinion 19 of the first wheelchair step 20 or the like. Is done.
[0059]
  In addition, the connecting arm movable mechanism 22 of the first wheelchair step 20, the intermediate connecting arm movable mechanism 220 of the intermediate wheelchair step 200, and the vehicle stop piece movable mechanism 26 of the second wheelchair step 23 are disposed at the retracted positions, respectively. Further, the intermediate ascending tread plate mechanism 240 of the intermediate wheelchair step 200 and the ascending tread plate movable mechanism 24 of the second wheelchair step 23 are respectively disposed at the lowered positions.
[0060]
  In this state, the transport belt 6 is circulated in the main frame 1, and general passengers are transported by the step 7, the first wheelchair step 20, the intermediate wheelchair step 200, and the second wheelchair step 23. It should be noted that all the steps such as the first wheelchair step 20 are moved horizontally from the entrance 4 on the lower end 2 side in the ascending operation, and then gradually increased in inclination angle with the inclination angle gradually increasing.
[0061]
  Next, when the vehicle moves toward the entrance / exit 4 on the upper end 3 side by moving at a constant inclination with a constant inclination angle, the inclination angle gradually decreases and the inclination angle gradually decreases. Thereafter, it moves horizontally to the entrance 4 on the upper end 3 side and circulates. Note that during the descending operation, all the steps circulate in the reverse order as in the ascending operation.
[0062]
  When the wheelchair 30 is transported up, that is, when the wheelchair 30 is transported from the entrance 4 on the lower end 2 side to the entrance 4 on the upper end 3 side, the escalator with a wheelchair step is operated by a wheelchair operation switch (not shown) Switch to transfer operation. Thereby, the transport belt 6 is driven in the ascending transport direction at a low speed in a state where the first wheelchair step 20 corresponds to the lower side of the comb 5 on the lower end 2 side of the main frame 1 by the operation of the control device 32. Further, the operation of the control device 32 raises the lifting device 9 of the lower in-process device 80 and brakes the drive mechanism 11.
[0063]
  Then, the forward rotation pinion 18 provided in the advance / retreat mechanism 21 of the first wheelchair step 20 that moves at a low speed engages with the drive mechanism 11 of the lower device 80 and is driven. As a result, the connecting arm movable mechanism 22 protrudes toward the lower end 2 side of the main frame 1 and fits into the support hole 25 of the intermediate wheelchair step 200 to be in the state shown in FIG.
[0064]
  Furthermore, the forward rotation pinion 18 provided in the advance / retreat mechanism 210 of the intermediate wheelchair step 200 is engaged with and driven by the drive mechanism 11 of the lower mechanism device 80 by the low-speed rising conveyance direction operation of the conveyance band 6. As a result, the intermediate connecting arm movable mechanism 220 protrudes toward the lower end 2 of the main frame 1 and fits into the support hole 25 of the second wheelchair step 23, resulting in the state shown in FIG. At the same time that the intermediate connecting arm movable mechanism 220 protrudes toward the lower end 2 side of the main frame 1, a vertical movement holding mechanism (not shown) in which the intermediate ascending tread plate mechanism 240 is integrated with the intermediate wheelchair step 200 is provided by the lower device 80. Canceled.
[0065]
  Next, the transport belt 6 is further driven at a low speed in the ascending transport direction, and the vehicle stopper moving mechanism 26 of the second wheelchair step 23 is exposed from the comb 5 on the lower end 2 side of the main frame 1 to the intermediate side of the main frame 1. Thus, the transport belt 6 is stopped and arranged as shown in FIG. In the state shown in FIG. 17, the first ascending step plate mechanism 240 of the first wheelchair step 20, the intermediate wheelchair step 200, and the ascending step plate movable mechanism 24 of the second wheelchair step 23 are connected arms of the first wheelchair step 20. The movable mechanism 22 and the intermediate connecting arm movable mechanism 220 of the intermediate wheelchair step 200 are connected.
[0066]
  Accordingly, the wheelchair loading surface 310 is formed by the first wheelchair step 20, the intermediate wheelchair step 200, and the second wheelchair step 23. Then, in the state shown in FIG. 17, the wheelchair 30 is mounted on the wheelchair loading surface 310 formed from the entrance 4 on the lower end 2 side. Next, the forward rotation pinion 18 provided in the transmission mechanism 27 of the second wheelchair step 23 is driven by the drive mechanism of the lower mechanism device 80 by the transport belt 6 being driven in the upward transport direction and the movement of the second wheelchair step 23. 11 is driven.
[0067]
  As a result, the vehicle stopper piece movable mechanism 26 of the second wheelchair step 23 protrudes upward to the state shown in FIG. 18, and the main frame 1 lower end 2 direction of the wheelchair 30 mounted on the wheelchair loading surface 310 by the vehicle stopper piece movable mechanism 26. Displacement to is prevented. Next, the lower work-in-progress device 80 is lowered and the transport belt 6 is driven in the upward transport direction at a normal speed.
[0068]
  The wheelchair loading surface 310 is maintained by the connecting arm movable mechanism 22 of the first wheelchair step 20 and the intermediate connecting arm movable mechanism 220 of the intermediate wheelchair step 200 when the first wheelchair step 20 is gradually inclined and fixedly inclined. Moved in the ascending conveyance direction. In addition, at the same time that the vehicle stop piece movable mechanism 26 protrudes upward, the lower moving device 80 releases the vertical movement holding mechanism (not shown) in which the ascending tread plate movable mechanism 24 is integrated with the second wheelchair step 23.
[0069]
  Next, when the first wheelchair step 20 or the like approaches the entrance / exit 4 on the upper end 3 side of the main frame 1, the inclination angle gradually decreases and moves to the horizontal movement area on the upper end 3 side of the main frame 1. The drive mechanism 11 of the work-in-progress device 81 is raised to the state shown in FIG. And the conveyance belt | band | zone 6 will be in a stop state in the state which the step 20 for 1st wheelchairs opposed to the upper work apparatus 81 arrange | positioned in the position immediately under the comb 5 of the main frame 1 upper end 3 side entrance / exit.
[0070]
  Thereby, the wheelchair 30 gets off from the wheelchair loading surface 310 to the entrance / exit 4 on the upper end 3 side of the main frame 1 in the state shown in FIG. Next, the transport belt 6 is driven in the ascending conveyance direction at a low speed by the operation of the control device 32, and the reverse pinion 19 provided in the advancing / retreating mechanism 21 of the moving first wheelchair step 20 moves up the upper in-process device 81. 20 is engaged with the braked drive mechanism 11, and the state shown in FIG. Then, the advance / retreat mechanism 21 is driven by the low-speed movement of the transport band 6 in the ascending transport direction, and the connecting arm movable mechanism 22 is retracted into the first wheelchair step 20 to be in the state shown in FIG.
[0071]
  Thereby, the coupling | bonding of the intermediate | middle raising step board mechanism 240 of the step 200 for intermediate wheelchairs by the connection arm movable mechanism 22 is cancelled | released. Further, the reverse rotation pinion 19 provided in the advancing / retreating mechanism 210 of the intermediate wheelchair step 200 is moved by driving the transport belt 6 at a low speed in the ascending transport direction, and the upper in-work device 81 is lifted and braked. 11 is engaged.
[0072]
  In the state shown in FIG. 21, the advance / retreat mechanism 210 is driven by the movement of the transport belt 6 in the ascending transport direction at a low speed, and the intermediate connecting arm movable mechanism 220 is retracted into the intermediate wheelchair step 200. At the same time that the intermediate connecting arm movable mechanism 220 is retracted into the intermediate wheelchair step 200, a vertical movement holding mechanism (not shown) that integrates the ascending tread plate movable mechanism 24 with the intermediate wheelchair step 200 is provided by the lower mechanism 80. Canceled.
[0073]
  Further, the reverse rotation pinion 19 provided in the transmission mechanism 27 of the moving second wheelchair step 23 is driven and the upper work device 81 is lifted and braked by driving the transport belt 6 at a low speed in the upward transport direction. In the state shown in FIG. 22 engaged with the mechanism 11, the transmission mechanism 27 is driven by the movement of the transport belt 6 in the upward conveyance direction, and the vehicle stop piece movable mechanism 26 is retracted into the second wheelchair step 23, and FIG. It becomes the state shown. In addition, at the same time that the vehicle stop piece movable mechanism 26 is retracted into the second wheelchair step 23, a vertical movement holding mechanism (not shown) in which the ascending tread plate movable mechanism 24 is integrated with the second wheelchair step 23 is a lower device 80. Is released by.
[0074]
  Next, the drive mechanism 11 of the upper in-process device 81 descends and the wheelchair stepped escalator returns to normal operation.
  In the above description, the wheelchair 30 is transported up and down from the entrance / exit 4 on the lower end 2 side of the main frame 1 to the entrance / exit 4 on the upper end 3 side. On the other hand, when the wheelchair 30 is transported down from the entrance 4 on the upper end 3 side of the main frame 1 to the entrance 4 on the lower end 2 side, related devices such as the lower in-work device 80 are connected when the wheelchair 30 is transported up and down. Do the reverse. Thus, although detailed description is abbreviate | omitted, the effect | action similar to the time of the raising conveyance of the wheelchair 30 can be acquired.
[0075]
  As described above, at the upper end 3 side entrance / exit 4 of the main frame 1, the connecting arm of the first wheelchair step 20 can be moved by the upper device 81 arranged at a position immediately below the comb 5 by the movement of the transport band 6 in the upward transport direction. The mechanism 22 is retracted, and then the intermediate connecting arm movable mechanism 220 of the intermediate wheelchair step 200 is retracted to release the coupling of the wheelchair loading surface 310. Thereafter, the upper stop device 81 retracts the vehicle stopper moving mechanism 26 into the second wheelchair step 23.
[0076]
  The unloading operation of the wheelchair loading surface 310 and the retraction operation of the vehicle stop piece moving mechanism 26 of the second wheelchair step 23 are the main frame 1 of the wheelchair loading surface 310 formed near the upper end 3 side entrance / exit 4 of the main frame 1. This is performed in the transport surface horizontal movement area A that is shorter than the horizontal plane length along the length of the sheet. Therefore, the horizontal movement area of the transport band at the upper end of the main frame 1 can be made to have a length comparable to the standard escalator. As a result, the standard escalator with a short horizontal moving part at the end of the main frame 1 can be easily remodeled into an escalator with a step for a wheelchair without requiring a work for widening the space between the supports at the end of the main frame 1. it can.
[0077]
  In addition, in embodiment of FIGS. 13-23, the intermediate | middle of the connection arm movable mechanism 22 and the intermediate | middle wheelchair step 200 of the 1st wheelchair step 20 driven by engaging with the lower in-process apparatus 80 by the control apparatus 23. FIG. Even during the operation of the connecting arm movable mechanism 220 and the like, since the transport belt 6 moves at a low speed, the wheelchair transport operation can be streamlined.
[0078]
【The invention's effect】
  As described above, the present inventionThe main frame of the escalator where the entrance and exit are formed at the lower end and the upper end,A transport belt that is circulated and moved in an inclined main frame with a number of steps connected endlessly;A first armchair step having a connecting arm movable mechanism including a connecting arm projecting and displaced toward the lower end side of the main frame to form a wheelchair loading surface, and disposed on the lower end side of the main frame of the first wheelchair step A second step for a wheelchair that is provided with a rising stepping plate movable mechanism that is supported by the protruding connecting arm movable mechanism and that forms the wheelchair loading surface, and the main frame of the first wheelchair step. An inclined wheelchair step provided with an inclined treadboard movable mechanism composed of an inclined treadle that is arranged on the upper end side and tilted downward at the lower end side of the main frame when necessary, and is arranged near the lower end portion in the main frame, and is always above Each wheelchair step is held at a position that does not engage with each movable mechanism, moves when necessary, and each of the steps for the inclined wheelchair step and the second wheelchair step in the horizontal movement range of the transport zone at the lower end portion of the main frame. Engage with drive mechanism and above Inclined wheelchair use step and the driving mechanism of the second wheelchair use step The lower lower work-in device that operates the upper wheel and the lower lower work-in device close to the lower end of the main frame and above the lower lower work-in device are normally held at positions that do not engage with the movable mechanisms of the wheelchair steps. The lower upper side that moves when necessary, engages with the drive mechanism of the first wheelchair step in the horizontal movement area of the transport band at the lower end of the main frame, and operates the drive mechanism of the first wheelchair step. The in-process device and the upper end of the main frame are disposed near the upper end of the main frame, and are normally held at positions that do not engage with the movable mechanisms of the wheelchair steps, move when necessary, and transport at the upper end of the main frame. An upper lower working device that engages with the movable mechanism of the second wheelchair step in the horizontal movement range of the belt and operates the movable mechanism of the second wheelchair step; and a comb at the upper end side entrance in the main frame Is located immediately below and above the upper lower work-in-progress device, At times, the wheelchair steps are held at positions that do not engage with the movable mechanisms and move when necessary, and the steps for the inclined wheelchair and the first wheelchair are moved in the horizontal movement range of the transport belt at the upper end of the main frame. An upper upper working device that engages with each drive mechanism of the step and operates each drive mechanism of the step for the inclined wheelchair and the step for the first wheelchair, and gets on and off the upper end side of the main frame on the transfer surface of the transfer band The horizontal movement area of the conveyance surface arranged near the mouth is formed to be shorter than the horizontal plane length along the length of the main frame of the wheelchair loading surface.Is.
[0079]
  By this, it is arranged near the entrance on the upper end side of the main frame on the transport surface of the transport band,First wheelchair step and second wheelchair stepThe movable mechanism of the wheelchair step on which the wheelchair loading surface is formed is retreated by the in-process device in the transfer surface horizontal movement area of the transfer belt shorter than the horizontal plane length along the length of the main frame of the wheelchair loading surface formed by the above. And by shortening the transport surface horizontal movement area of the transport zone at the upper end of the main frame, it is possible to install an escalator with a step for a wheelchair without particularly increasing the distance between the supports at the end of the main frame. There is an effect of facilitating installation.
[0080]
  In addition, as described above, the present invention is provided with a control device that moves the transport belt at a low speed when the movable mechanism for the wheelchair step is operated by engagement with the work-in-progress device.
[0081]
  Thereby, since the transport belt moves even during the operation of the movable mechanism for the wheelchair step, the wheelchair transport operation is efficiently performed.
[0082]
  In addition, as described above, the present invention installs the in-process device at a position corresponding to the lower surface of the floor board of the main frame upper end side entrance, and causes the movable mechanism of the wheelchair step to be retracted and protruded by the in-process device on the lower surface of the floor board. A control device is provided.
[0083]
  By this, it is arranged near the entrance on the upper end side of the main frame on the transport surface of the transport band,First wheelchair step and second wheelchair stepThe movable mechanism of the wheelchair step that forms the wheelchair loading surface is the upper end side of the main frame in the horizontal movement area of the transfer surface of the transfer belt formed shorter than the horizontal plane length along the length of the main frame of the wheelchair loading surface formed by Retired by an in-process device installed at a position corresponding to the bottom surface of the floor board at the entrance. And since the transport surface horizontal movement area of the transport zone at the upper end of the main frame is further shortened, it is possible to install an escalator with a step for a wheelchair without particularly increasing the distance between the supports at the end of the main frame. There is an effect of facilitating installation.
[0084]
  In addition, as described above, the present invention forms a wheelchair loading surface close to the main frame upper end side entrance / exit by the first wheelchair step and the second wheelchair step, and the main function of the tilted footboard movable mechanism of the tilted wheelchair step. A control device for stopping the transport belt is provided in a state in which a part of the upper end side of the frame corresponds to the lower surface of the floor plate of the main frame upper end side entrance / exit.
[0085]
  As a result, on the wheelchair loading surface formed by the first wheelchair step and the second wheelchair step near the entrance on the upper end side of the main frame, and on the plane composed of a part of the inclined stepboard movable mechanism exposed from the floorboard of the entrance You can get on and off the wheelchair. For this reason, there is an effect that the space for getting on and off the wheelchair can be afforded and that the wheelchair can be easily got on and off.
[0086]
  In addition, as described above, the present inventionThe step for the second wheelchair is disposed on the lower end side of the main frame of the step for the first wheelchair and protrudes and moves to the lower end side of the intermediate frame including the intermediate stepping plate mechanism that is supported by the connecting arm movable mechanism that protrudes. The intermediate connecting arm is provided with an intermediate connecting arm movable mechanism including a connecting arm and has an intermediate wheelchair step that forms a wheelchair loading surface. The intermediate connecting arm protrudes from the lower end of the main frame of the intermediate wheelchair step. A lift footboard movable mechanism comprising a lift footboard supported by the movable mechanism is provided to form the wheelchair loading surface.
[0087]
  Thereby, it is arranged near the main frame upper end side entrance / exit on the transport surface of the transport belt, and is along the length of the main frame of the wheelchair loading surface formed by the first wheelchair step, the intermediate wheelchair step, and the second wheelchair step. In the transport surface horizontal movement area of the transport zone shorter than the horizontal plane length, the movable mechanism of the wheelchair step forming the wheelchair loading surface is retreated by the in-process device. And the escalator with a step for a wheelchair can be installed without particularly widening the distance between the supports at the end of the main frame by shortening the horizontal movement area of the transport surface of the transport zone at the upper end of the main frame. Has the effect of facilitating the installation of
[Brief description of the drawings]
FIG. 1 is a diagram showing Embodiment 1 of the present invention, and is a conceptual side view of an escalator with a step for a wheelchair.
FIG. 2 is an enlarged view of a main part of FIG.
FIG. 3 is a diagram illustrating a first situation of wheelchair conveyance on the lower end side of the main frame in FIG. 1;
FIG. 4 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 3;
5 is a diagram for explaining a third situation of wheelchair conveyance in FIG. 3; FIG.
6 is a diagram for explaining a fourth situation of wheelchair conveyance in FIG. 3; FIG.
FIG. 7 is a diagram for explaining a fifth situation of wheelchair conveyance in FIG. 3;
FIG. 8 is a diagram for explaining a sixth situation of wheelchair conveyance in FIG. 3;
FIG. 9 is a diagram illustrating a first situation of wheelchair conveyance on the upper end side of the main frame in FIG. 1;
10 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 9. FIG.
FIG. 11 is a diagram for explaining a third situation of wheelchair conveyance in FIG. 9;
12 is a diagram for explaining a fourth situation of wheelchair conveyance in FIG. 9; FIG.
FIG. 13 shows a second embodiment of the present invention and is a conceptual side view of a wheelchair stepped escalator.
14 is an enlarged view of a main part of FIG. 13 showing a wheelchair conveyance state.
15 is a diagram for explaining a first situation of wheelchair conveyance on the lower end side of the main frame in FIG. 13;
FIG. 16 is a diagram for explaining a second situation of wheelchair conveyance in FIG. 15;
FIG. 17 is a diagram illustrating a third situation of wheelchair conveyance in FIG.
18 is a diagram for explaining a fourth situation of wheelchair conveyance in FIG. 15. FIG.
19 is a diagram for explaining a first situation of wheelchair conveyance on the upper end side of the main frame in FIG. 13;
20 is a diagram illustrating a second situation of wheelchair conveyance in FIG.
FIG. 21 is a diagram for explaining a third situation of wheelchair conveyance in FIG. 19;
FIG. 22 is a view for explaining a fourth situation of wheelchair conveyance in FIG. 19;
FIG. 23 is a diagram for explaining a fifth situation of wheelchair conveyance in FIG. 19;
[Explanation of symbols]
  DESCRIPTION OF SYMBOLS 1 Main frame, 3 Upper end, 4 Entrance / exit, 6 Transport belt, 7 Steps, 8 Lower upper working device, 801 Upper upper working device, 12 Lower lower working device, 1201 Upper lower working device, 14 Inclined wheelchair step, DESCRIPTION OF SYMBOLS 15 Inclined tread board movable mechanism, 20 1st wheelchair step, 22 Connection arm movable mechanism, 23 Second wheelchair step, 24 Lifting tread board movable mechanism, 26 Car stop piece movable mechanism, 28 Boarding board movable mechanism, 80 Lower mechanism apparatus, 81 Upper in-process device, 200 intermediate wheelchair step, 220 intermediate connecting arm movable mechanism, 240 intermediate ascending tread mechanism, 31 wheelchair loading surface, 310 wheelchair loading surface, 32 control device, A transport surface horizontal movement area.

Claims (5)

The main frame of the escalator with the entrance and exit formed at the lower end and the upper end respectively, a transport belt that circulates and moves within the inclined main frame with a number of steps connected endlessly, and projectingly displaced to the lower end side of the main frame A first armchair step that is provided with a connecting arm movable mechanism including a connecting arm to form a wheelchair loading surface; and the first armchair step that is disposed on the lower end side of the main frame and protrudes A second step for a wheelchair that is provided with a lift step plate movable mechanism composed of a supported step foot plate to form the wheelchair loading surface, and is disposed on the upper end side of the main frame of the step for the first wheelchair and is used when necessary. An inclined wheelchair step provided with an inclined tread plate movable mechanism that is composed of an inclined tread plate whose bottom end side is inclined downward, and is disposed near the lower end portion in the main frame, and is normally associated with each movable mechanism of each wheelchair step. Keep in position Moved when necessary, engaged with the respective drive mechanisms of the step for the tilt wheelchair and the step for the second wheelchair in the horizontal movement range of the transport band at the lower end of the main frame, and the step for the tilt wheelchair and the second A lower lower device for operating each drive mechanism of a wheelchair step, and a movable mechanism of each wheelchair step that is disposed near the lower end of the main frame and above the lower lower device. Is held at a position where it is not engaged, and is moved when necessary, and is engaged with the drive mechanism of the first wheelchair step in the horizontal movement area of the transport band at the lower end of the main frame, Lower upper work-in-progress device for operating the drive mechanism, and disposed near the upper end in the main frame, and is normally held at a position that does not engage with each movable mechanism of each wheelchair step, moves when necessary, and Up in the horizontal movement range of the transport band at the upper end of the main frame An upper lower working device that engages with the movable mechanism of the second wheelchair step and operates the movable mechanism of the second wheelchair step, and a position directly below the comb at the upper end entrance / exit in the main frame and the upper It is arranged on the upper side of the subordinate work-in-progress device, is normally held at a position where it does not engage with each movable mechanism of each wheelchair step, moves when necessary, and in the horizontal movement area of the transport band at the upper end of the main frame An upper upper working device that engages with each drive mechanism of the step for the tilt wheelchair and the step for the first wheelchair and operates each drive mechanism of the step for the tilt wheelchair and the step for the first wheelchair, The transport surface horizontal movement area arranged near the upper end side entrance / exit of the main frame on the transport surface is formed to be shorter than a horizontal plane length along the length of the main frame of the wheelchair loading surface. Escalator with steps for wheelchairs.   The escalator with a step for a wheelchair according to claim 1, further comprising a control device for moving the transport belt at a low speed when the movable mechanism for the step for a wheelchair is operated by engagement with the in-process device. The in-process device is installed at a position corresponding to the floor plate lower surface of the main frame upper end side entrance and exit, and a control device is provided to retract and project the movable mechanism of the wheelchair step by the in-process device on the lower surface of the floor plate. An escalator with a step for a wheelchair according to claim 1 . The first wheelchair step and the second wheelchair step form a wheelchair loading surface near the main frame upper end side entrance / exit, and a part of the upper end side of the inclined footboard movable mechanism of the inclined wheelchair step is the upper end side entrance / exit The escalator with a step for a wheelchair according to claim 1, further comprising a control device that stops the transport belt in a state of being disposed at a position corresponding to the lower surface of the floor plate. The step for the second wheelchair is disposed on the lower end side of the main frame of the step for the first wheelchair and protrudes and moves to the lower end side of the intermediate frame including the intermediate stepping plate mechanism that is supported by the connecting arm movable mechanism that protrudes. The intermediate connecting arm is provided with an intermediate connecting arm movable mechanism including a connecting arm and has an intermediate wheelchair step that forms a wheelchair loading surface. The intermediate connecting arm protrudes from the lower end of the main frame of the intermediate wheelchair step. The escalator with a step for a wheelchair according to claim 1, wherein a lift footboard movable mechanism including a lift footboard supported by the movable mechanism is provided to form the wheelchair loading surface .

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