JP6782376B1 - Passenger step car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a passenger step vehicle capable of improving stability when a passenger gets on and off and stability when moving. An elevator 20 for raising and lowering a passenger P between a lower floor 30 and an upper floor 40 is provided in a chassis 2, and a staircase 10 determines the ascending / descending direction of the passenger P ascending / descending the stairs 10. It is bent in the middle to change, and at least a part of the elevator 20 is arranged inside the bent portion 15 of the stairs 10. [Selection diagram] Fig. 5

Description

The present invention relates to a passenger step vehicle in which a staircase for boarding an aircraft is mounted on a movable chassis.

Conventionally, as this kind of passenger step vehicle, a staircase mounted on a movable chassis, a guide rail attached to this staircase, and a walking handicapped person who can go up and down along the stairs while being guided by this guide rail. There is known a lifter having a lifter and a lifting mechanism for the lifter (Patent Document 1).
As a passenger step vehicle for boarding and disembarking a ship, a boarding / alighting device that bridges a slope between the quay and the ship and an elevating device that is used to allow wheelchair users to board and disembark are separated. It is known that the device is movable and is configured so that the boarding / alighting device and the elevating device are connected and integrated only when boarding / disembarking (Patent Document 2).

Japanese Patent Application Laid-Open No. 2005-349993 Japanese Unexamined Patent Publication No. 2014-161555

However, in all of the above-mentioned conventional passenger step vehicles, the ratio of the length in the longitudinal direction to the length in the lateral direction, that is, the aspect ratio is large, so that the stability when the passenger gets on and off the passenger step vehicle and There is a problem that the stability when moving the passenger step vehicle is low.

Therefore, the present invention has been created to solve the above problems, and provides a passenger step vehicle capable of increasing the stability when a passenger gets on and off and the stability when moving. With the goal.

In order to achieve the above-mentioned object, the passenger step vehicle of the present invention is a passenger step vehicle in which a staircase for an aircraft passenger to move up and down between the lower floor and the upper floor is mounted on a movable chassis. There is an elevator on the chassis to move passengers up and down between the lower and upper floors, and the stairs bend in the middle to change the direction of the passengers going up and down the stairs. It is characterized in that at least a part of the elevator is arranged inside the bent portion of the stairs.

According to the passenger step vehicle of the present invention, since the stairs are bent in the middle, the total length of the stairs can be shortened as compared with the conventional straight stairs that are not bent in the middle.
Therefore, the ratio of the length in the longitudinal direction to the length in the lateral direction of the passenger step vehicle, that is, the aspect ratio can be reduced, so that the stability when the passenger gets on and off and the stability when moving is improved. A passenger step vehicle that can be provided can be provided.

It is a rear view of the passenger step vehicle which concerns on embodiment of this invention. It is a left side view of the passenger step vehicle which concerns on embodiment of this invention. It is a front view of the passenger step vehicle which concerns on embodiment of this invention. It is a right side view of the passenger step vehicle which concerns on embodiment of this invention. FIG. 4 is a perspective perspective view of a plane viewed from line AA. It is a perspective view which looked at the passenger step vehicle which concerns on embodiment of this invention from the front left diagonally above. It is a perspective view which looked at the passenger step vehicle which concerns on embodiment of this invention from the front right diagonally above. It is explanatory drawing for comparing the passenger step vehicle which concerns on embodiment of this invention, and the conventional passenger step vehicle.

The passenger step vehicle according to the embodiment of the present invention will be described with reference to the drawings.
In the following description, the side connected to the boarding gate of the aircraft is the front side, and the opposite side is the back side. Also, when the passenger step vehicle is viewed from the front, the right side is on the right side and the left side is on the left side. Further, the rear direction is the rear when viewed from the front, and the front direction is the front when viewed from the back.
[Main structure of passenger step vehicle]
In the passenger step vehicle 1 of the present embodiment, the housing 1A and the passenger P (FIGS. 6 and 7) of the aircraft 200 (FIG. 8) are located between the lower floor 30 and the upper floor 40 (FIGS. 2 and 4). It includes a staircase 10 for ascending and descending, an elevator 20 for ascending and descending the passenger P between the lower floor 30 and the upper floor 40, and a chassis 2 on which the staircase 10 and the elevator 20 are mounted.
The housing 1A is formed in a substantially rectangular box shape in a plan view, and is mounted on the chassis 2. The housing 1A is divided into a lower floor 30 and an upper floor 40 by a ceiling 7 (FIGS. 2 and 4). The stairs 10 and the elevator 20 are located inside the housing 1A and are supported by the housing 1A (FIG. 5).
An example of the dimensions of the passenger step vehicle 1 is a total length of about 9.2 m, a total width of about 3.7 m, and a total height of about 5.3 m. An example of the weight of the passenger step vehicle 1 is about 8 tons.

As shown in FIG. 5, the stairs 10 are bent in the middle in order to change the elevating direction of the passenger P who goes up and down the stairs 10. In the present embodiment, the stairs 10 are bent at a substantially right angle in the middle. That is, the stairs 10 are so-called bent stairs. As a result, as shown in FIG. 8, the longitudinal length (total length) L1 of the passenger step vehicle 1 is changed to the longitudinal length (overall length) of the conventional passenger step vehicle 100 provided with the stairs extending linearly. It can be shorter than L2.
Therefore, the ratio of the length in the longitudinal direction to the length in the lateral direction of the passenger step vehicle 1, that is, the aspect ratio can be reduced, so that the stability of the passenger step vehicle 1 when moving and the passenger P get on and off. It is possible to increase the stability when doing so.
Further, since the total length L1 of the passenger step vehicle 1 is shortened, the area that hinders the airport ground support work (ground handling) performed around the passenger step vehicle 1 can be significantly reduced. As a result, the safety of the airport ground support work can be enhanced, and the work efficiency can be enhanced.

The stairs 10 include a first staircase 11 (FIGS. 4 and 7), a handrail 12 (FIG. 1), a landing 13 (FIG. 5), and a second staircase 14 (FIGS. 2 and 5). .. The first staircase 11 is a staircase for the passenger P to go up and down between the lower floor 30 and the landing 13, and is arranged on the lower floor 30. The first stairway entrance / exit 35 for the passenger P to move up and down between the ground and the first staircase 11 is on the right side when the passenger step vehicle 1 is viewed from the front, that is, on the left side in the traveling direction of the passenger step vehicle 1. (Figs. 4, Fig. 5, Fig. 7).
The second staircase 14 is a staircase for the passenger P to go up and down between the landing 13 (FIG. 5) and the upper floor 40, and is arranged on the lower floor 30. The landing 13 is a connecting portion between the uppermost step of the first staircase 11 and the lowermost step of the second staircase 14 of the lower floor 30, and is provided at the bent portion 15 (FIG. 5) of the staircase 10. It is formed flat. The second stairway entrance 45 (FIG. 5) for the passenger P to move up and down between the landing 13 and the upper floor 40 is arranged at the uppermost stage of the second staircase 14. In this way, since the landing 13 is provided at the bent portion 15 of the stairs 10, even if the passenger P or baggage rolls down from the second stairs 14, the passenger P or baggage is stopped at the landing. However, since it is possible to prevent the vehicle from rolling down to the first staircase 11, safety can be improved.
The handrails 12 used by the passenger P to move up and down the stairs 10 are provided along both sides of the first stairs 11 and the second stairs 14.

Further, as shown in FIG. 5, at least a part of the elevator 20 is arranged inside the bent portion 15 of the stairs 10. As a result, the passenger step vehicle 1 can be made compact as compared with the configuration in which the elevator is arranged outside the housing. Further, by arranging the elevator 20, which is relatively heavy among the components of the passenger step vehicle 1, inside the bent portion 15 of the stairs 10, the weight balance of the passenger step vehicle 1 can be improved.
The elevator 20 includes a basket 21 (FIG. 5), an elevating device 22 for raising and lowering the basket 21, an elevator shaft 23 forming an elevating passage for the basket 21, and a lower floor side door 24 provided on the lower floor 30. FIG. 7) and an upper floor side door 25 (FIG. 3) provided on the upper floor 40 are provided. In this embodiment, the elevating device 22 is a rack and pinion system. Further, the lower floor side door 24 and the upper floor side door 25 are double doors, respectively, and are manually opened and closed.
The basket 21 is formed in a rectangular shape in a plan view, and a total of three passengers, a passenger P and a caregiver H, who are in a wheelchair W (FIGS. 6 and 7) can board the basket 21. The elevator shaft 23 is formed in a rectangular shape in a plan view, and its rear left corner is fitted to a bent portion 15 of the staircase 10 (FIG. 5).

The lower floor boarding area 34 for the passenger P and the caregiver H in the wheelchair W to get on and off the elevator 20 on the lower floor 30 is on the right side when the passenger step vehicle 1 is viewed from the front, that is, the passenger step vehicle 1 travels. It is arranged on the left side of the direction (FIGS. 4 and 7). The lower floor boarding / alighting area 34 is formed flat, and there is no step with the basket 21 of the elevator 20. Further, the lower floor entrance / exit 34 is arranged in front of the first stairway entrance / exit 35. That is, the passenger P using the stairs 10 and the passenger P using the elevator 20 get on and off from the same side of the passenger step vehicle 1.
On the upper floor 40, an upper floor boarding / alighting area 44 (FIGS. 5 and 6) for getting on and off the elevator 20 at the upper floor 40 is arranged. The upper floor boarding / alighting area 44 is formed flat and has no step with the elevator 20 basket 21. The lower floor boarding area 34 (Figs. 4 and 7) is located directly below the upper floor boarding area 44 (Figs. 5 and 6), and the upper floor boarding area 44 serves as the roof of the lower floor boarding area 34. doing. As a result, there is no risk that the passenger P and the caregiver H who get on and off the elevator 20 at the lower floor boarding / alighting area 34 will get wet in the rain.

On the upper floor 40, the passenger P who climbed from the second stairs 14 to the second stairs entrance / exit 45, the passenger P who came out from the elevator 20 to the upper floor entrance / exit 44, and the assistant H are the boarding gate 201 of the aircraft 200. A boarding / alighting floor 46 for guiding to (FIG. 8) is formed. The boarding / alighting floor 46 is formed flat and is flush with the upper floor boarding / alighting area 44 and the second staircase boarding / alighting port 45. Since the distance from the boarding / alighting area 44 on the upper floor to the boarding / alighting floor 46 is shorter than the distance from the boarding / alighting gate 45 on the second stairs to the boarding / alighting floor 46, the passenger P and the caregiver H who got off the elevator 20 on the upper floor 40 It is possible to move to the boarding gate 201 in a short time and with little effort.
On the front surface of the upper floor 40, an opening 47 (FIGS. 6 and 7) is formed for the passenger P to get on and off between the boarding / alighting floor 46 and the boarding gate 201 (FIG. 8). Further, the passenger step vehicle 1 is configured so that when the passenger step vehicle 1 is connected to the boarding gate 201, the boarding / alighting floor 46 is at the same height as the lower end of the opening of the boarding gate 201. As a result, there is no step on the route from the boarding / alighting floor 46 through the boarding gate 201 to the inside of the aircraft 200, so that the passenger P is less likely to trip and the passenger P in the wheelchair W also moves smoothly. Can be done.

Further, the passenger step vehicle 1 includes drive wheels 3 and 4 (FIG. 1) provided on the left and right sides of the rear portion of the chassis 2 and driven wheels 5 and 6 (FIG. 3) provided on the left and right sides of the front portion of the chassis 2. , The drive unit 50 (FIGS. 1, FIG. 2, FIG. 4) for driving the drive wheels 3 and 4, and the tow-bar 70 (FIGS. 2 to 4) for towing the passenger step vehicle 1. And have. That is, the chassis 2 is movably supported by a pair of driving wheels 3 and 4 and a pair of driven wheels 5 and 6, and moves by self-propelling or towing. The drive unit 50 includes a traveling motor (not shown), a clutch that transmits the rotation of the traveling motor to the drive wheels 3 and 4, and a clutch lever 51 for operating the clutch. When the passenger step vehicle 1 is towed by the towing vehicle, the clutch lever 51 is operated to release the transmission state between the traveling motor and the drive wheels 3 and 4 (disengage the clutch).

The towbar 70 includes a base portion 75 provided on the chassis 2, a rotating shaft 71, a traction portion 72, a locking portion 73, and a control portion 74. The traction portion 72 is pivotally supported by the base portion 75 by a rotation shaft 71, and can rotate up and down with the rotation shaft 71 as a rotation shaft. The locking portion 73 is for locking the hook provided on the towing vehicle, and is provided at the tip of the towing portion 72. The control unit 74 is provided on the lower surface of the traction unit 72. The control unit 74 is for performing operations such as forward, backward, and steering of the passenger step vehicle 1, and switches for performing each operation such as emergency stop, high-speed forward, high-speed backward, low-speed forward, and low-speed reverse. It has. When the traction unit 72 is rotated upward by holding the locking portion 73, the switches of the control unit 74 face upward, and the switches are easily operated. Further, each switch of the control unit 74 can be a pendant type switch. Further, the passenger step vehicle 1 is provided with a hydraulic device (not shown) for hydraulically assisting the steering of the driven wheels 5 and 6. The steering of the passenger step vehicle 1 is basically performed manually by the operator by operating the toe bar 70, but at that time, the steering is easily performed because the assist of the hydraulic device is received.

Further, the passenger step vehicle 1 includes a generator 62 (FIGS. 2, 5 and 6) for supplying power to the elevator 20 and the traveling motor, a main switchboard 60 (FIG. 2), and an elevator switchboard. It is equipped with 61 (FIG. 2). The generator 62 is a component having a relatively large weight among the components of the passenger step vehicle 1, and is arranged diagonally forward to the right when viewed from the elevator 20 (FIGS. 2, 5 and 6). That is, the generator 62 at least serves as a counterweight to the elevator 20, improves the balance of the passenger step vehicle 1, and contributes to improving the stability of the passenger step vehicle 1. As shown in FIG. 2, the portion of the lower right wall 31 where the elevator switchboard 61 and the generator 62 are arranged is open. As a result, the elevator switchboard 61 and the generator 62 can be quickly inspected and repaired.
Further, as shown in FIGS. 2, 4, 6 and 7, outriggers 96 are provided at both front and rear ends of the chassis 2. Each of the pistons constituting each outrigger 96 is extended and grounded when the passenger step vehicle 1 is connected to the boarding gate 201, whereby the passenger step vehicle 1 is stabilized.

[Structure of housing 1A]
The housing 1A includes a plurality of columns 91 forming the skeleton of the lower floor 30, and a plurality of columns 92 forming the skeleton of the upper floor 40. Further, the housing 1A includes a lower floor front wall 36 (FIGS. 3 and 6) arranged in front of the lower floor 30 and a lower floor right wall 31 (FIG. 4) arranged on the right side of the lower floor 30. It includes a lower floor left side wall 32 (FIG. 2) arranged on the left side surface of the lower floor 30, and a lower floor back wall 33 (FIG. 1) arranged on the back surface of the lower floor 30. Further, the housing 1A includes an upper floor back wall 43 (FIG. 1) arranged on the back surface of the upper floor 40, an upper floor right wall 41 (FIG. 4) arranged on the right side surface of the upper floor 40, and an upper floor 40. It is provided with an upper floor left wall 42 (FIG. 2) arranged on the left side surface of the above floor.
Hereinafter, when the explanation common to each wall arranged on the lower floor 30 is given, it is abbreviated as the lower floor wall, and when the explanation common to each wall arranged on the upper floor 40 is given, it is abbreviated as the upper floor wall.

Each lower floor wall is formed of a plurality of plate-shaped members, and each plate-shaped member is fixed between the columns 91 by spot welding. Each upper floor wall is formed of a plurality of plate-shaped members, and each plate-shaped member is fixed between the columns 92 by spot welding. In the present embodiment, the columns 91 and 92 are made of steel, and each of the plate-shaped members is a steel plate. As described above, the housing 1A is configured by having steel columns 91 and 92 as a skeleton and fixing steel plates between the columns, and has high rigidity and strength.
Further, the ceiling 7 serves as the ceiling of the lower floor 30 and also serves as the floor of the upper floor 40. The front end of the ceiling 7 has a protruding portion 7a (FIGS. 2 and 4) protruding forward from the lower floor 30. The upper surface of the protruding portion 7a is set on the boarding / alighting floor 46 (FIGS. 5 to 7). Further, the housing 1A includes a plurality of support members 90 (FIGS. 6 and 7) for supporting the projecting portion 7a of the ceiling 7, that is, the boarding / alighting floor 46 on the lower floor front wall 36. Each support member 90 connects the lower surface front end of the protrusion 7a to the lower floor front wall 36, respectively.

Further, the housing 1A includes a roof 8 that covers the upper part of the upper floor 40 and a roof 9 that covers the diagonally upper back surface of the upper floor 40. As shown in FIG. 3, the roof 8 is inclined diagonally downward to the left when viewed from the front. Further, as shown in FIG. 2, the upper end of the roof 9 is connected to the rear end of the roof 8, and the roof 9 is a one-way roof inclined diagonally downward and rearward. In this way, since each of the roofs 8 and 9 is a one-sided roof, rainwater can be prevented from accumulating on the roof. In addition, it is possible to prevent snow from accumulating, and even if snow is accumulated, the snow can be slid toward the inclined side of the roof, so that it is easy to unload. In particular, since the roof 8 is inclined to the opposite side of the lower floor entrance / exit 34 and the first stairway entrance / exit 35, there is no possibility that rainwater falling along the roof 8 will hit the passenger P or the caregiver H.

Further, as shown in FIG. 1, the housing 1A includes windows 43a and 43b provided on the upper floor back wall 43. Further, as shown in FIG. 2, the housing 1A includes windows 43c to windows 43p provided on the left wall 42 on the upper floor. Further, as shown in FIG. 4, the housing 1A includes windows 43q to 43z provided on the upper right wall 41. Each of the windows 43a to 43z is made of polycarbonate or the like and has translucency. As a result, outside light can be taken into the inside of the housing 1A, and the movement of the passenger P can be known from the outside through the windows 43a to 43z, which facilitates safety confirmation. In the present embodiment, the portion of the housing 1A other than each window is painted to prevent rust.

Further, as shown in FIGS. 2 and 4, when the passenger step vehicle 1 is connected to the boarding gate 201 of the aircraft 200, the passenger step vehicle 1 is located between the opening 47 of the upper floor 40 and the boarding gate 201. A bellows gate 80 for covering the formed gap is provided. The bellows gate 80 includes a plurality of frames (bones) 81 arranged in the front-rear direction, a sheet 82 covering each frame 81, and an operation handle 83 (FIG. 6). The operation handle 83 is provided on the inner wall surface of the upper right side wall 41 in the vicinity of the opening 47 of the boarding / alighting floor 46. The bellows gate 80 is configured to be able to expand and contract back and forth by turning the operation handle 83. Further, as shown in FIG. 1, the passenger step vehicle 1 is provided with notification lights 95 for notifying the surroundings of the presence of the passenger step vehicle 1 at both left and right ends of the lower floor back wall 33, respectively. Further, on the front end 46a of the boarding / alighting floor 46, a proximity sensor for detecting that the distance between the front end 46a and the boarding gate 201 is equal to or less than a predetermined distance when the passenger step vehicle 1 is connected to the boarding gate 201 is provided. , A notification device (for example, a notification lamp, a notification speaker, etc.) for notifying the detection result of the proximity sensor is provided. In the present embodiment, the proximity sensors are provided at a total of three locations on the left, right, and center of the front end 46a, and the front end 46a approaches the boarding gate 201 even when the front end 46a is not parallel to the boarding gate 201. Is configured to be able to notify.

[How to use the passenger step car]
The clutch lever 51 (FIG. 2) is operated to release the connection state between the drive unit 50 and the drive wheels 3 and 4, and the drive wheels 3 and 4 are put into a free running state. Subsequently, a hook (not shown) of the towing vehicle is locked to the locking portion 73, and the towing vehicle pulls the passenger step vehicle 1 to the vicinity of the boarding gate 201 (FIG. 8) of the aircraft 200. At this time, the passenger step vehicle 1 is towed so that the opening 47 (FIGS. 6 and 7) faces the boarding gate 201. Subsequently, the clutch lever 51 is operated to connect the drive unit 50 and the drive wheels 3 and 4 to each other. Subsequently, the hook of the towing vehicle is removed from the locking portion 73, and the operator of the passenger step vehicle 1 rotates the towing portion 72 upward and operates a predetermined switch of the control unit 74 to operate the front end of the boarding / alighting floor 46. The passenger step vehicle 1 is moved so that the 46a comes into contact with the lower end of the opening of the boarding gate 201. Subsequently, the bellows gate 80 is extended and covered with the boarding gate 201. Subsequently, the passenger step vehicle 1 is stabilized by operating each outrigger 96 and grounding each piston of each outrigger 96.

Then, the passenger P who uses the stairs 10 enters the first stairs entrance / exit 35 (FIG. 7) from the ground, climbs the first stairs 11, and further goes through the landing 13 (FIG. 5) to the second stairs 14. Ascend to reach the entrance 45 of the second stairs. At this time, the passenger P can also climb while being held by the handrail 12. Subsequently, the passenger P who has reached the second stairway boarding / alighting gate 45 board the aircraft 200 from the boarding gate 201 via the boarding / alighting floor 46.
Further, as shown in FIG. 7, the passenger P in the wheelchair W has the caregiver H push the wheelchair W, enters the lower floor boarding / alighting area 34 from the ground using the slope S3, and enters the lower floor side of the elevator 20. Press the upper floor button (for example, the button with the upward arrow: not shown) arranged on the side of the door 24. Subsequently, the passenger P and the caregiver H get into the basket 21 (FIG. 5) from the open lower floor side door 24, and the passenger P or the caregiver H is on the operation panel provided inside the basket 21. Press the floor button (for example, the button with the upward arrow: not shown) to raise the basket 21 to the upper floor 40. Then, the passenger P and the caregiver H exit from the open upper floor side door 25 (FIG. 3) to the upper floor boarding / alighting area 44 and move to the boarding / alighting floor 46. Here, the caregiver H gets on the aircraft 200 from the boarding gate 201 together with the passenger P while pushing the wheelchair W. Alternatively, the passenger P gets off the wheelchair W and boarded the aircraft 200 from the boarding gate 201 with the assistance of the caregiver H or the staff. In this way, the passenger P who uses the wheelchair W can move from the flat boarding / alighting floor 46 to the boarding gate 201 by climbing up to the upper floor 40 using the elevator 20, so that the labor is very small. It's convenient.

When getting off the aircraft 200, the passenger P goes out from the boarding gate 201 to the boarding / alighting floor 46, goes down the second stairs 14 from the second stairs boarding / alighting gate 45, and goes down the first stairs 11 via the landing 13. get off. At this time, the passenger P can also get off while being held by the handrail 12. Then, the passenger P gets off to the ground from the first stairway entrance / exit 35.
Further, the passenger P in the wheelchair W goes out from the boarding gate 201 to the boarding / alighting floor 46 together with the assistant H or a staff member, and moves to the boarding / alighting area 44 on the upper floor. Subsequently, the passenger P or the caregiver H in the wheelchair W pushes the lower floor button arranged on the side of the upper floor side door 25, gets into the basket 21 from the opened upper floor side door 25, and goes downstairs. Press the button (not shown) to lower the basket 21 downstairs 30. Then, the passenger P and the caregiver H exit from the open lower floor side door 24 (FIG. 3) to the lower floor boarding / alighting area 34, and descend to the ground using the slope S3. In this way, the passenger P using the wheelchair W can move from the flat lower floor boarding / alighting area 34 to the ground by using the elevator 20 to go down to the lower floor 30, which requires less labor and is extremely laborious. It's convenient.

[Effect of Embodiment]
(1) According to the passenger step vehicle 1 of the above-described embodiment, since the stairs 10 are bent in the middle, the length of the stairs in the longitudinal direction is longer than that of the conventional straight stairs that are not bent in the middle. Can be shortened.
Therefore, the ratio of the length in the longitudinal direction to the length in the lateral direction of the passenger step vehicle 1, that is, the aspect ratio can be reduced, so that the stability when the passenger P gets on and off and the stability when moving. It is possible to provide a passenger step vehicle that can enhance the aspect ratio.

(2) Moreover, according to the passenger step vehicle 1 of the above-described embodiment, the total length L1 is shortened, so that the area that hinders the airport ground support work (ground handling) performed around the passenger step vehicle 1 is significantly increased. It can be reduced. As a result, the safety of the airport ground support work can be enhanced, and the work efficiency can be enhanced.

(3) Further, according to the passenger step vehicle 1 of the above-described embodiment, since at least a part of the elevator 20 is arranged inside the bent portion 15 of the stairs 10, the elevator is arranged outside the housing. The passenger step vehicle 1 can be made more compact than the above configuration. Further, by arranging the elevator 20, which is relatively heavy among the components of the passenger step vehicle 1, inside the bent portion 15 of the stairs 10, the weight balance of the passenger step vehicle 1 can be improved.
In particular, since the stairs 10 are bent at a substantially right angle in the middle, the passenger step vehicle can be further miniaturized as compared with the stairs that are bent at an angle exceeding the right angle. Further, the weight balance between the stairs 10 and the elevator 20 can be further improved.

(4) Further, according to the passenger step vehicle 1 of the above-described embodiment, since the landing 13 is provided at the bent portion 15 of the stairs 10, when the passenger P or the baggage rolls down from the second stairs 14. Even so, passenger P and baggage can be stopped at the landing to prevent them from rolling down to the first stairs 11, so that safety can be improved.

(5) Further, according to the passenger step vehicle 1 of the above-described embodiment, the lower floor boarding / alighting area 34 is arranged directly under the upper floor boarding / alighting area 44, and the upper floor boarding / alighting area 44 is the lower floor boarding / alighting area 34. It acts as a roof. As a result, there is no risk that the passenger P and the caregiver H who get on and off the elevator 20 at the lower floor boarding / alighting area 34 will get wet in the rain.

(6) Further, according to the passenger step vehicle 1 of the above-described embodiment, since the generator 62 acts as a counterweight to at least the elevator 20, the balance of the passenger step vehicle 1 is improved and the passenger step vehicle 1 is improved. The stability of 1 can be improved.

<Other Embodiments>
(1) The lower floor and the upper floor have relative meanings, and the passenger step vehicle 1 of the present invention is applied not only to the ground floor but also to a position higher or lower than the ground. Can be done. Further, the passenger step vehicle 1 of the present invention can also be applied when the upper floor 40 is at a position higher than the second floor.
(2) Slopes for rolling and moving the load with casters may be provided on a part of the first stairs 11 and the second stairs 14, respectively.

(3) The bending angle of the stairs 10 can be changed depending on the structure of the stairs 10. For example, it may be less than a right angle such as 80 degrees, or may exceed a right angle such as 120 degrees.
(4) The first stairs entrance / exit 35 and the lower floor entrance / exit 34 may be provided on the left side of the passenger step vehicle 1 when viewed from the front.

1 Passenger step car 2 Chassis 3,4 Drive wheels 5,6 Driven wheels 7 Ceiling 8 Roof 9 Roof 10 Stairs 11 1st stairs 12 Handrails 13 Landing 14 2nd stairs 15 Bent part 20 Elevator 21 Basket 22 Elevator 23 Elevator Shaft 24 Lower floor side door 25 Upper floor side door 30 Lower floor 31 Lower floor right wall 32 Lower floor left wall 33 Lower floor back wall 34 Lower floor entrance / exit 35 First stairs entrance / exit 36 Lower floor front wall 40 Upper floor 41 Upper floor Floor right wall 42 Upper floor left wall 43 Upper floor back wall 43a-43z Window 44 Upper floor entrance / exit 45 Second stairs entrance / exit 46 Entrance / exit floor 46a Front end 50 Drive unit 51 Clutch lever 60 Main switchboard 61 Elevator switchboard 62 Generator 70 Tober 71 Rotating shaft 72 Towing part 73 Locking part 74 Control part 75 Base part 80 Jabala gate 81 Frame 82 Seat 90 Support member 91 Support member 91 Support 92 Support 93 Eaves 94 Eaves 95 Notification light 96 Outrigger 100 Conventional passenger step car 200 Aircraft 201 boarding Mouth H Career P Passenger W Wheelchair

Claims (5)

The stairs for aircraft passengers to move up and down between the lower and upper floors are passenger step vehicles mounted on a movable chassis.
An elevator for raising and lowering the passenger between the lower floor and the upper floor is provided on the chassis.
The stairs are bent in the middle in order to change the ascending / descending direction of the passenger who goes up and down the stairs.
A passenger step vehicle characterized in that at least a part of the elevator is arranged inside a bent portion of the stairs. The passenger step vehicle according to claim 1, wherein the stairs are bent at a substantially right angle in the middle of the stairs. The passenger step vehicle according to claim 1 or 2, wherein a landing is provided at the bent portion. A lower floor boarding area for getting on and off the elevator on the lower floor,
The elevator is equipped with an upper floor boarding / alighting area for getting on and off the upper floor.
The passenger step vehicle according to any one of claims 1 to 3, wherein the lower floor boarding / alighting area is located directly below the upper floor boarding / alighting area. At least a motor for raising and lowering the elevator,
It is equipped with at least a generator that supplies power to the motor.
The passenger step vehicle according to any one of claims 1 to 4, wherein at least the generator is at least a counterweight to the elevator.

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