JPS60190958A - Wheelchair auxiliary truck for escalator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a wheelchair auxiliary cart for an escalator used when a wheelchair user uses an escalator.

[Technical background of the invention and its problems]

With the development of transportation systems, railway station platforms are being installed higher or lower than ground level, and as a result, an increasing number of stations are installing escalators for the convenience of passengers. However, it is extremely difficult for wheelchair users to use escalators, and even if they get on the escalator with an attendant, they will not be able to place their car horizontally on top of the first step of the escalator. Since the wheelchair has to be used while straddling two steps, there is a high possibility that the wheelchair will fall, which is very dangerous.

In addition, it is often impossible to install special escalators that carry both wheelchairs and general passengers due to the structure of station buildings, etc.
Some places have escalators specifically for wheelchair users, but they have the disadvantage of having to be installed separately from escalators for general users.

[Purpose of the invention]

To provide a wheelchair auxiliary trolley for an escalator on which a wheelchair is placed and moved up the escalator, which eliminates the above-mentioned conventional drawbacks and allows a wheelchair user accompanied by an attendant to safely use a general escalator. It is in.

[Summary of the invention]

The wheelchair auxiliary trolley of the present invention is used when a wheelchair user accompanied by an attendant uses an escalator, and the wheelchair auxiliary trolley is used when a wheelchair user accompanied by an attendant uses an escalator. According to exercise
C1 Equipped with a device that raises the rear wheel side and lowers the rear wheel side of the trolley body on which the wheelchair is placed to maintain the horizontal state at all times. A hydraulic cylinder whose piston operates in the direction of the steps;
By the piston action of this hydraulic cylinder, the front wheels descend to touch the next platform surface, and the main body of the cart carrying the wheelchair is moved horizontally with the front wheels as a fulcrum in accordance with the step formation movement described in I'lij. A step ground body that raises the side and performs a reverse raising operation in accordance with the step horizontal formation movement, a hydraulic power unit mounted on the trolley body and operated by a switch operation of a hydraulic cylinder attendant, and its operating power source. It is characterized by being composed of

[Embodiments of the invention]

Hereinafter, one embodiment of the present invention will be described with reference to the drawings. In the drawing, 10 is a trolley body on which a wheelchair B on which a wheelchair user A rides is placed, a bottom plate 1 on which the wheelchair B is placed, and a bottom plate arranged on both sides of this bottom plate. With side plate 2.

In addition to both the front sides and the rear end 91+1 of this side plate, there are also front wheels 3 and rear wheels 4 (the rear wheels are constructed of casters that can be freely transmitted), and the distance between the front and rear wheel axles is the same as the escalator step S. (The distance between the shafts is set to straddle the three stages of the handlebars as shown in FIG. The wheelchair is constructed from two front side handle rods 5b attached to the front side handle rods (wheelchair stoppers 6 are provided on the front side handle rods). 7 is a trolley body 10 on which wheelchair B is placed,
The rear wheels are raised and lowered to maintain a horizontal state at all times in accordance with the stair forming movement as shown in Fig. 4 from the horizontal step part SL of the escalator, or the horizontal forming movement from the horizontal step part SH of the escalator. This bogie horizontal maintenance device 7 is a device for maintaining the bogie horizontally on the side mounting plate 2 on the rear wheel side of the bogie main body 10.
ai2 A hydraulic cylinder 8 that is installed vertically and operates a piston in the direction of the step, and a step grounding body 9 that is attached to the lower end of the piston rod 8a of this hydraulic cylinder (this step flooring body has a large frictional resistance). The front wheel 3 is made of an elastic material such as nitrile rubber, and is lowered into contact with the next step surface S' by the piston operation of the hydraulic cylinder 8, and the cart main body 10 carrying the wheelchair B is moved to form the steps. In response to this, the front wheel 3 is used as a fulcrum to raise the rear wheel side to a horizontal state as shown in the upper right corner of Figure 4, and a reverse lifting operation is performed in accordance with the horizontal formation movement of the front step. It is comprised of a hydraulic power unit 1 (consisting of a pump, a motor, and an oil tank) which is mounted and operates the hydraulic cylinder 8 by an attendant C's switch operation, and a battery 12 for its operating power source. Note that the operation switch 13 for operating the hydraulic cylinder 8 is located on the rear handle rod 6.
It is provided in the part that the attendant (a) holds with his/her hand.

Next, to explain how to use the auxiliary trolley configured as described above, attendant C, who is pushing wheelchair B, temporarily stops wheelchair B near the escalator entrance.
Wheelchair B loaded with the user's name is placed on the auxiliary trolley of the present invention prepared here, and an attendant pushes the auxiliary trolley carrying the wheelchair to the escalator entrance (hereinafter, the case of entrance will be described), and then the Wait for the driver to stop the escalator.The operator rides the cart onto the horizontal portion SL of the Nscalator steps S, positioning it as shown in Fig. 4, and stops the cart.After getting on the cart, start the escalator, Manual or automatic escalator operation is performed in which the escalator is stopped when the i'lJ-marked trolley reaches the horizontal part of the step at the bottom of the escalator. (Detailed explanation will be omitted as it is not directly related.)

At this time, the attendant C lowers the hydraulic cylinder 8 by operating a switch in accordance with the stair formation movement from the horizontal step part SL of the escalator, and the piston rod 8a
The lower end step contact body 9 is brought into contact with the stair surface S', and the wheelchair B is placed on it by the push-up action shown in step 7.
using the front wheel 3 as a fulcrum, raise the rear wheel side as shown in the upper right corner of Figure 4. ), always in the horizontal state ff: It moves upward and stops while maintaining it.Then, just before the escalator step S moves from the stairway section SH to the descending horizontal section and stops, the operation switch 13 is activated again. and step S
1) In accordance with the horizontal formation movement from R, the θ distribution pressure cylinder 8 and the step floor body 9 at the lower end of the cylinder piston condo 88 are moved upward. In this way,
The auxiliary cart equipped with a wheelchair can be raised to the horizontal part of the steps at the exit of the escalator in a state that is always maintained horizontally, and the auxiliary trolley equipped with the wheelchair, which has been conveyed and stopped at the horizontal part of the stairs at the bottom of the escalator, has front and rear wheels 3. With ゜4 in contact with the horizontal part of the steps, go straight to escalator 1'4! It can be easily pushed out to the floor side of Shiro. In addition, 17
iJThe method of use described above involves raising the Urasuke trolley carrying a wheelchair from the escalator's top to the escalator's 91st point, but it can also be done in the opposite direction using almost the same action when lowering it. can.

Next, another embodiment of the present invention will be explained with reference to the drawings in FIGS. 5 to 7.
A hydraulic cylinder 8' in which the bogie leveling device 7 in the embodiment is attached to the side mounting plate 2a of the bogie body 10 so as to be rotatable in the front and back direction, and a front end between the front and rear wheels 3 and 4 of the bogie body IQ. A rotary lever 15 (the lower end of the piston rod 8a of the hydraulic cylinder 8 is attached to the middle part of this assistance lever) is connected to the pin by a pin. and a step contact body 9 which is attached to the rear end of the rotary lever 15 and is made of an elastic material such as nohinitrile rubber. The same parts as ρλ and the like are denoted by the same reference numerals as in the example, and a detailed explanation will be omitted. .

〔Effect of the invention〕

Escalator wheelchair of this invention 1. The auxiliary trolley is equipped with a hydraulic cylinder-type trolley horizontal maintenance device as described above, and can be safely used by table and chair users accompanied by their own swords and an attendant. This eliminates the risk that the auxiliary trolley carrying the wheelchair will fall along with the wheelchair user and the attendant during escalator transportation. Moreover, since the bogie leveling device is a set of hydraulic cylinders, the leveling operation of the bogie body is extremely easy compared to a manually operated type.
There are effects that can be achieved with PFL.

[Brief explanation of drawings]

Figure 1 is a plan view of a wheelchair support trolley for escalators according to an embodiment of the present invention, and Figure 2 is a front view of the same support trolley.
Fig. 3 is a side view of the same, Fig. 4 is an explanatory diagram of the state of use, Fig. 5 is a plan view of the tan auxiliary bogie showing another embodiment of the above, and Fig. 6 is the normal mJ of the auxiliary bogie. Figure 7 is a side view of the same side. OA...wheelchair user, B...wheelchair, C...
・Attendant, S...Escalator step, 8I...
Horizontal part of steps, S H...1 to 1 Shin v1 - Jin)
5, 1...J punishment＼巳? 1 - 1, 2...11 phrase board, 2 a... side surface mounting plate, 3... front wheel, 4...
...Rear wheel, ■... Distance between front and rear wheel axles, 6...
・Wheelchair stopper, 7... Carriage level maintenance device, 8, 8
...Hydraulic cylinder, 8a...□Piston rod, 9
... Step ground contact body, 10 ... Trolley body, 1 No. ... Hydraulic power unit, 12 ... Battery, 13 ...
Operation switch, 15... Rotating lever. Applicant's agent Patent attorney Takeshi Suzue 6 Figure 1 Figure 2 Figure 3 Figure 5 Figure 6 Figure 7 Figure 7 Continued from page 1 ■Inventor Joint Venture Part 1, Toshiba-cho, Fuchu-shi, Tokyo Tokyo Shibaura Electric Inside Fuchu Co., Ltd. Factory

Claims (3)

[Claims] (1) An auxiliary trolley that allows a wheelchair user to use an escalator accompanied by an attendant and that can be loaded with a wheelchair and pushed, and that straddles at least two or more escalator steps. A trolley body has front and rear wheels on both sides that are pivoted at a spacing between the front and rear axles, and the trolley body is equipped with a staircase formation movement from the horizontal step of an escalator, or vice versa, in accordance with the horizontal formation movement from the step portion of the escalator. Equipped with a device that raises and lowers the rear wheel side of the trolley body on which the wheelchair is placed to maintain a horizontal state at all times,
This bogie leveling device is connected to a hydraulic cylinder installed on the rear wheel side of the bogie body that operates a piston in the direction of the step, and by the piston operation of this hydraulic cylinder, the front wheel descends to the next step surface that touches the floor. a step platform for lifting a cart body on which a wheelchair is mounted to a rear wheel side horizontally using the front wheels as a fulcrum in accordance with the step formation movement, and performing a reverse upward movement in accordance with the step horizontal formation movement; and the cart; A wheelchair auxiliary trolley for an escalator, comprising a hydraulic power unit mounted on a main body to operate the hydraulic cylinder by an attendant's switch operation, and a battery for powering the operation. (2) A wheelchair assistance for an escalator according to claim 1, wherein the step contacting body is formed of an elastic body with high frictional resistance attached to the lower end of the piston of a hydraulic cylinder. Dolly. (3) Hydraulic cylinder Aij is attached to the mounting plate on the 911j surface of the car body so as to be rotatable in the front and back direction, and extends in three directions at the rear with its front end pivoted between the front and rear wheels of the bogie body. The escalator according to claim 1, wherein the rotary lever is configured to move up and down, and the step contact body is attached to the rear end of the rotary lever. Wheelchair auxiliary trolley.