JPH1160126A - Device and method for removing footstep in escalator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device and a method for removing a footstep in an escalator, by which the footstep can be hung without changing the attitude of the footstep when the footstep for a wheelchair of an escalator is lifted for a removal. SOLUTION: A lifting sling 11 for hanging wheelchair footsteps 3, 3B, 3C is a mechanism provided with two or more locking parts 11A, 11B, 11C, the locking part on which a hook of a hanging rope 10 is to be hooked can be selected from the locking parts 11A, 11B, 11C according to the position of the gravity of the footsteps 3, 3B, 3C to be hung, and the footstep is lifted by keeping coincident the hung position with the gravity of the footsteps 3, 3B, 3C.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for removing a step in an escalator.

[0002]

2. Description of the Related Art As shown in Japanese Patent Application Laid-Open No. 7-277648, a wheelchair escalator is provided with a normal step and, for example, steps for two wheelchairs, and the wheelchair step moves up and down by driving. I have. In such a wheelchair escalator, by raising the tread of the wheelchair step to the same height position as the tread of the upper step, a horizontal plane having a relatively large area is formed by these steps, and the wheelchair can be mounted. I have. In the above-described conventional escalator for a wheelchair, the step for the wheelchair is provided with a drive mechanism and a battery for a power supply. Therefore, while the normal step weighs 25 kg, the step for the wheelchair has a large weight of about 150 kg. is there. Therefore, conventionally, Japanese Unexamined Patent Application Publication No.
As described in Japanese Patent Application Publication No. 8 (1994), in an escalator step transport device for carrying in and out of an escalator step including handrails on both left and right sides from a doorway, the escalator is provided symmetrically on the left and right handrails. Guide rails, and wheels that roll on the guide rails,
There has been proposed a structure that includes a beam supported by these wheels and straddling the handrails on both the left and right sides, and a lifting device that suspends the steps provided on the beam.

[0003]

However, the steps for wheelchairs weigh between 100 kg and 200 kg per piece, and the positions of the centers of gravity of the three steps are different from each other. It was difficult to raise it directly above. In addition, when the steps removed from the escalator are lowered from the lifting device, it is not easy to transport the escalator from the entrance / exit (comb plate) of the escalator to a truck or a storage location. The steps cannot be lifted to a very high position even when trying to drop on the bogie from the lifting device. Comb plate (plastic) at the end of the comb plate
Because there is an opening at the end,
It was difficult to place the bogie under the steps, and eventually the steps could only be moved by hand near the entrance.

A first object of the present invention is to suspend a step having a different center of gravity while maintaining its posture, and suspend the step in an escalator capable of moving up and down in a detachable state.
It is an object of the present invention to provide a step-detachment device for an escalator that can move up and down.

[0005] A second object of the present invention is to provide a method for removing and attaching a step in an escalator that enables the step to be moved easily and without using any special equipment near the escalator entrance.

[0006]

SUMMARY OF THE INVENTION A first object of the present invention is to provide a step removing apparatus for an elevator having a plurality of steps to which a rear wheel is attached and handrails arranged on both sides of the steps. A beam member that straddles and is movable in the direction of extension of the handrail, a lifting device provided on the beam member, and a hanger with an end attached to the step, wherein at least two locking portions are provided. This is achieved by providing a lifting device having the lifting device, wherein the lifting device moves the steps in the vertical direction via the lifting device.

A second object of the present invention is a step-detachment method for an escalator having a plurality of steps to which a rear wheel is attached, and handrails arranged on both sides of the steps, which are attached to a beam member. With the steps being lifted via the lifting ropes by the lifting device, the beam member is moved along the extension direction of the handrail, the steps are transported to the upper direction of the comb plate, and then lowered on the comb plate. Remove the escalator from the escalator, and after transporting it to the comb plate, lift the steps via the hanging ropes by the lifting device and move the steps in the opposite direction to the removal, and attach the steps to the escalator. When the step is lifted by the lifting device, an auxiliary wheel is attached to a position on the front wheel side of the step, There are, the prior carrying the footstep to the comb plate is achieved with the construction for attaching the auxiliary wheel to the front wheel side of the position of the footstep.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIG.
This will be described with reference to FIG. 1 is a side view of an escalator step detaching device, FIG. 2 is a front view thereof, FIGS. 3 to 5 are detailed views of hanging devices for wheelchair steps, and FIG. 6 is a state in which an auxiliary wheel is attached to a wheelchair step. FIG.

[0009] In these figures, 1 is a comb plate at the entrance of the escalator, 2 is a comb plate attached to the end of the plate, 3 is a wheelchair step which is carried from the entrance and is about to be mounted, and 4 is left and right. Hand rails 5 provided on both sides are metal guide rails respectively fitted to the horizontal portion of the hand rails 4 from above, 6 are wheels rolling on the guide rails 5, and the wheels 6 are guide rails 5 on one side. Are provided for each. Reference numeral 7 denotes a beam member that is supported on the left and right handrails 5 so as to be able to move forward and backward by wheels 6. The wheel 6 is rotatably mounted on the beam member 7. Reference numeral 8 denotes a pantograph jack used in an automobile or the like disposed at the upper central portion of the beam member 7, reference numeral 9 denotes a rope guide pulley rotatably attached to the beam member 7, reference numeral 10 denotes a rope with a hook, and reference numeral 11 denotes a plurality of, for example, three. Locking parts, 1
A hanging tool formed with 1A, 11B and 11C, 12 is an eyebolt screwed to the step 1, and 13 is an auxiliary wheel. 3B and 3C are wheelchair steps already installed, 3D
Is the rear wheel. Further, the steps 3, 3B, 3C have different centers of gravity.

[0010] The hanging device 10 is used to suspend the steps 3, 3B, and 3C having different positions of the center of gravity.
By selecting one of 1B and 11C, the position of the center of gravity and the position of lifting by the hanging rope can be substantially matched. The auxiliary wheels 13 are attached to the wheelchair steps 3, 3B, and 3C removed from the escalator, and two auxiliary wheels 13 are attached to each of the steps where the front wheel axle is joined. The auxiliary wheel 13 is a step 3 to which the auxiliary wheel 13 is attached,
It is necessary to move the entrance / exit (comb plate 1) of the entrance / exit 3B, 3C, and it is sufficient that the entrance is provided at least at this time on the steps 3, 3B, 3C.

Next, the wheelchair step 2 in the above embodiment is described.
The work of carrying in the escalator from the entrance will be described. When carrying the wheelchair step 3 from the entrance of the escalator, first, as shown in FIG. 1, a metal guide rail 5 is set on the horizontal part of the entrance of the left and right hand rails 4, and the metal guide rail 5 is set. On the beam member 7,
The beam member 7 is set so that the wheel 6 is mounted, and the suspension rope 10 is hung on the guide pulley 9. On the other hand, FIG.
As shown in (1), the step 3 on which the auxiliary wheel 13 is attached is pushed and moved on the comb plate 1, and the hanging members 11 are attached to the eyebolts at both ends of the step 3, and the locking portion 11A is provided.
And the pantograph jack 8 is operated to slightly move the steps 3 on the rear wheel 3D and the auxiliary wheel 13
And lift the auxiliary wheel 13 in this state. Thereafter, the step 3 is slightly lifted, and the beam member 7 is pushed to move to the device location, and then is gently lowered. When removing the steps provided on the escalator, the steps may be performed in the reverse of the above, and the description thereof will be omitted. As described above, since the lifting device is used to make the lifting position and the center of gravity of the steps 3, 3B, and 3C coincide, the locking position between the hook and the lifting device does not shift,
It is possible to prevent the postures of the steps 3, 3B, and 3C from changing during suspension, and to maintain the original posture after the suspension. In addition, it is possible to attach the auxiliary wheel so that it can be moved while pushing on the comb plate at the entrance when installing it, and can be moved while pushing it to the truck, trolley or storage location from the comb plate at the entrance when removing it This eliminates the need to manually lift and carry the apparatus, and allows the apparatus to be quickly moved below the lifting device, that is, onto the comb plate, or carried out of the comb plate. Furthermore, it is not necessary to carry the cart in a narrow place on the comb plate and between the lifting devices.

[0012]

As described above, the present invention has the following effects.

(1) It is possible to provide an apparatus for attaching and detaching a step in an escalator capable of suspending and moving a step having a different center of gravity while maintaining its posture and moving the step vertically.

(2) The steps can be easily moved in the vicinity of the entrance of the escalator without using any special equipment.

[Brief description of the drawings]

FIG. 1 is a side view of an escalator step removing device.

FIG. 2 is a front view of the escalator step-detachment device.

FIG. 3 is a detailed view of a hanger for a wheelchair step.

FIG. 4 is a detailed view of a hanger for a wheelchair step.

FIG. 5 is a detailed view of a hanger for a wheelchair step.

FIG. 6 is a detailed view of a state where auxiliary wheels are attached to a wheelchair step.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Comb plate 2 Comb board 3, 3B, 3C Step for wheelchair 4 Handrail 5 Metal guide rail 6 Wheel 7 Beam member 8 Pantograph jack 9 Rope guide pulley 10 Rope with hook 11 Hanging tool 11A, 11B, 11C Locking part 12 Eyebolt 13 Auxiliary wheel

Claims (2)

[Claims] An elevator having a plurality of steps to which a rear wheel is attached and handrails arranged on both sides of the steps, the step-detachment device for an elevator, the stepping step moving between handrails and extending in a direction in which the handrails extend. A lifting device provided on the beam member, a lifting device having an end portion attached to the step, and a lifting device having at least two locking portions; A step removing / attaching device for an escalator, wherein the step is moved in the vertical direction via a suspending tool. 2. A step removing method for an escalator having a plurality of steps to which a rear wheel is attached, and handrails arranged on both sides of the step, wherein the step is suspended by a lifting device attached to a beam member. With the steps lifted via the rope, move the beam member along the extension direction of the handrail, carry the steps to the upper direction of the comb plate, and then remove the steps from the escalator by lowering them on the comb plate, In addition, when the steps are mounted on the escalator by transporting the steps to the comb plate in the opposite direction to the steps when removing the steps by lifting the steps with the lifting ropes by the lifting device. In the state where is lifted by a lifting device, an auxiliary wheel is attached to a position on the front wheel side of the step. A step of attaching or detaching an auxiliary wheel to a position on the front wheel side of the step before transporting the step onto the comb plate.