JP2011116518A - Clip guide inserting tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clip guide inserting tool for facilitating the work for exchanging a clip guide in an escalator. <P>SOLUTION: This clip guide inserting tool 50 is a tool for inserting a clip guide 44 to be provided to cover an edge of a handrail guide rail 30 into a gap between the handrail guide rail 30 and a moving handrail 18 in a handrail inlet port 21 positioning in a conveyor platform when exchanging the clip guide 44. The clip guide inserting tool 50 includes: a grip part 52; an extension part 54 extending from the grip part 52; a rail fixing part 58 turnably fitted to the tip of the extension part 54 and to be fixed to the handrail guide rail 30 near the outside of the handrail inlet port 21; and a clip fixing part 56 fitted to the extension part 54, being separated at a predetermined distance toward the grip part 52 from the fitting position of the rail fixing part 58, to fix a continuous part of the clip guide 44 freely to be released. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a clip guide insertion tool used for a passenger conveyor, and in particular, when replacing the clip guide, inserts the clip guide into the gap between the handrail guide rail and the moving handrail at the handrail entrance located at the conveyor entrance. The present invention relates to a clip guide insertion tool.

  2. Description of the Related Art Conventionally, an escalator, which is one of passenger conveyors, has moving handrails that move on the balustrades on both sides thereof in synchronization with steps that move in a stepped manner. The moving handrail enters the truss handrail entrance after reversing the moving direction so as to make a U-turn at the entrance / exit on the lower floor in the descending escalator and at the entrance / exit on the upper floor in the ascending escalator.

  There is known an escalator in which a safety device called a hand guard switch (HGS) is provided at the handrail entrance. This hand guard switch device is for preventing the hand of an infant or the like from being dragged together with the moving handrail in the gap between the handrail entrance of the truss and the moving handrail. A rubber boot that covers the gap between the truss and protrudes outward from the truss end face, for example by several centimeters, a biasing member that biases the boot from the inside of the truss and holds it in place, and the vicinity of the entrance / exit And a detection switch for detecting that the boot of the child (especially an infant) hits the boot end face and the boot moves to the inside of the truss. When it is detected by the detection switch that the boot has moved, the operation of the escalator is emergency stopped to prevent the passenger's hand from being drawn into the handrail entrance.

  On the other hand, an endless moving handrail moves around between the upper and lower floors of the escalator while being guided by a guide rail formed of a metal plate. For example, the inner surface of a moving handrail made of urethane rubber is In order to prevent wear and damage due to sliding contact with the edge of the guide rail, for example, a resin clip guide having a substantially U-shaped cross-section may be attached to cover the edge of the guide rail. . Although the clip guide does not directly contact the inner surface of the moving handrail and the edge of the guide rail, the moving guide rail comes into sliding contact with the outer surface of the clip guide, and the clip guide gradually wears. Therefore, the clip guide needs to be replaced with a new one at a predetermined timing as a consumable item.

  The handrail guide rails are arranged to extend from the lower floor to the upper floor on both sides of the step, and enter from the handrail entrance to a predetermined position in the truss at each entrance of the upper and lower floors. When the escalator is newly installed, the clip guide can be easily fitted from the side to the edge of the exposed handrail guide rail before the escalator is assembled to the handrail entrance.

  On the other hand, when exchanging the clip guide in the existing escalator, the clip guide can be replaced relatively easily by removing the moving handrail from the handrail guide rail portion located outside the truss of the escalator to expose the handrail guide rail. On the other hand, for the part of the handrail guide rail that extends into the truss from the entrance of the handrail, there is a moving handrail that covers it and a boot of the hand guide switch device that covers the outside of the handrail, so a part of the truss In addition, the handrail guide rail cannot be exposed without disassembling the hand guide switch device, and these disassembly operations require considerable man-hours.

  Therefore, the replacement of the clip guide attached to the rail of the handrail guide rail that normally enters the truss is done by pulling out the old clip guide at the entrance / exit with the moving handrail removed from the guide rail to the handrail entrance. Thereafter, the clip guide is pushed into the gap between the handrail guide rail and the moving handrail in a state where the end of the new clip guide is fitted into the edge of the handrail guide rail.

  However, as the insertion length of the clip guide becomes longer, the frictional force between the inner surface of the creep guide and the edge surface of the guide rail and the frictional force between the outer surface of the creep guide and the inner surface of the moving handrail increase. However, it was necessary to push the clip guides little by little by two people up to a predetermined length, although it was able to be pushed in by the hand of one worker at about half the length or depth.

  As described above, it takes a considerable amount of time and labor to insert one clip guide in one handrail entrance, but the handrail guide rail has two guide rail portions on both the left and right sides, and the upper and lower layers. Since there are four handrail entrances on both sides of each entrance on the floor, the above clip guide insertion work must be performed a total of 8 times per escalator. It currently takes a lot of time and effort.

  In addition, as long as the applicant of the present application investigated, it was not possible to find prior art documents related to the present invention.

  This invention makes it a subject to provide the clip guide insertion tool which can perform the insertion of the clip guide in a handrail insertion part easily at the time of replacement | exchange of the clip guide in a passenger conveyor.

  The clip guide insertion tool according to the present invention is provided to cover the edge of the handrail guide rail in the gap between the handrail guide rail and the moving handrail at the handrail entrance located at the conveyor entrance when the clip guide is replaced. A tool for inserting a clip guide, which is attached to a handrail guide rail near the outside of the handrail entrance, and is attached to a gripping portion, an extending portion extending from the gripping portion, and a tip of the extending portion so as to be rotatable. A rail fixing portion; and a clip fixing portion that is attached to the extending portion at a predetermined distance from the mounting position of the rail fixing portion toward the gripping portion and releasably fixes a continuous portion of the clip guide that is inserted into the gap.

  In the clip guide insertion tool according to the present invention, it is preferable that the clip fixing portion is rotatably attached to the extending portion.

  Further, in the clip guide insertion tool according to the present invention, the clip guide is an elongated and continuous member having a U-shaped cross section, and the clip guide has the insertion plate inserted into the clip guide at the clip fixing portion. May be fixed from above and below, or the clip guide may be fixed by sandwiching the upper piece or the lower piece of the clip guide.

  Further, in the clip guide insertion tool according to the present invention, the clip guide holding surface in the clip fixing portion may be roughened.

  According to the clip insertion tool according to the present invention, the rail fixing portion fixed to the handrail guide rail is a fulcrum, the clip fixing portion to which the clip guide is fixed is the point of action, and the gripping portion gripped by the operator is the power point. By pushing the gripping part in the clip guide insertion direction, a large pushing force is applied in the longitudinal direction of the clip guide fixed to the clip fixing part according to the principle of the lever (type 2 lever), and the edge of the handrail guide rail With the cover covered, the clip guide can be inserted into the truss from the handrail entrance. As a result, even one worker can easily perform the clip replacement work.

It is a schematic block diagram which shows the escalator entrance / exit in which the clip guide insertion tool of one Embodiment is used. It is a side view which shows the escalator entrance / exit of FIG. It is an BB line expanded sectional view (a part side surface is included) in FIG. It is an expansion perspective view which shows the one end part of a clip guide. It is a whole perspective view of the clip guide insertion tool which is one embodiment. It is a side view which shows the rail fixing | fixed part of a clip guide insertion tool. It is a side view which shows the clip fixing | fixed part of a clip guide insertion tool. It is a figure for demonstrating the use condition of a clip guide insertion tool.

  Embodiments according to the present invention will be described below in detail with reference to the accompanying drawings. In this description, specific shapes, materials, numerical values, directions, and the like are examples for facilitating the understanding of the present invention, and can be appropriately changed according to the application, purpose, specification, and the like.

  In the following description, an escalator which is one of the passenger conveyors will be described as an example. However, the present invention is not limited to this, and the clip guide insertion tool according to the present invention can be used on other passenger conveyors such as moving walkways. It is.

  FIG. 1 is a view showing an entrance 12 of an escalator 10 in which a clip guide insertion tool according to an embodiment of the present invention is used for clip guide replacement work, and FIG. 2 is an entrance 12 of the escalator 10 in FIG. FIG.

  The escalator 10 has a well-known configuration for transporting or moving passengers between an upper floor and a lower floor. The escalator 10 extends in a step movement direction on both sides of the step 14 and a number of steps 14 that move in a stepwise manner. As shown in FIG. 3, an endless piece made of, for example, urethane rubber moves in synchronization with the movement of step 14 while being guided by a balustrade part 16 standing upright and a handrail guide rail 30 (see FIG. 3) fixed on the balustrade part 16. And a moving handrail 18. Here, the escalator 10 is operated as a descending escalator in which the step 14 and the moving handrail 18 move in the arrow A direction.

  A speaker 17 is installed on the inner surface of the balustrade 16 near the entrance 12. The speaker 17 is used to issue a voice announcement or a warning buzzer to passengers and other people (for example, children playing in the vicinity) at the entrance 12.

  At the entrance / exit 12 on the lower floor side of the escalator 10, the moving handrail 18 has a U-turn region 18 a, and the moving handrail 18 whose moving direction is reversed in the U-turn region 18 a enters the handrail formed in the truss 20. Enter the truss 20 from the mouth 21. Then, the endless moving handrail 18 moves in the truss 20 toward the upper floor side, exits the truss 20 at the entrance on the upper floor side, and then moves in the direction of movement through the U-turn area in the same manner as described above. It is reversed and moved again in the direction of arrow A. In this way, the moving handrail 18 moves around between the lower floor and the upper floor.

  As shown in FIGS. 1 and 2, a boot 22 that constitutes the above-described hand guard switch device is provided at the handrail entrance 21 through which the moving handrail 18 enters the truss 20. The boot 22 has a substantially C-shaped cross section similar to the moving handrail 18 having a substantially C-shaped cross section, and covers the outside of the moving handrail 18 with a slight gap (for example, about 1 to 2 mm). For example, the truss 20 is disposed so as to protrude outward from the end face of the truss 20 by, for example, several centimeters. When a child (especially an infant) hand or the like hits the outer end face of the boot 22 and the boot 22 has been moved to the inside of the truss 20, it is controlled to perform an emergency stop of the operation of the escalator 10. It has come to be.

  On the floor portion 15 of the entrance 12 of the escalator 10, a floor plate 32 made of a rectangular flat plate made of metal such as stainless steel is installed. The floor board 32 has a width substantially equal to the distance between the moving handrails 18 on both sides, and is placed on or fixed to a support member (not shown) provided on the truss 20. A comb plate 34 is connected to the edge of the floor plate 32 on the step 14 side. The comb plate 34 is fixed with a comb 36 that meshes with a number of cleats formed on the tread of the step 14 with some gaps therebetween.

  FIG. 3 is an enlarged cross-sectional view taken along the line BB in the vicinity of the handrail entry portion in FIG. 1. In this figure, a part other than the boot 22 drawn as a side end face is shown in cross section. The handrail guide rail 30 can be formed by bending a metal plate, and includes a central portion 38 having a U-shaped cross section, and guide rail portions 40 and 42 projecting from the central portion 38 to the left and right sides. Have. For example, a clip guide 44 having a U-shaped or substantially U-shaped cross-sectional shape is fitted into the edges of the guide rail portions 40 and 42 and covered.

  A movable handrail 18 having a substantially C-shaped cross section is disposed outside the handrail guide rail 30. When the moving handrail 18 moves along the handrail guide rail 30, its inner surface comes into sliding contact with the outer surface of the clip guide 44. Further, on the further outer side of the moving handrail 18, a boot 22 having a substantially C-shaped end face shape is provided so as to be movable in the depth direction with a slight gap between the boot 22 and the moving handrail 22.

  For example, the clip guide 44 formed as an elongated and continuous member by extruding plastic can be cut into an appropriate length and used. As shown in FIG. 4, the clip guide 44 has a substantially U-shaped cross section including an upper piece 45a and a lower piece 45b, and is open between the upper piece 45a and the lower piece 45b. 46 is formed. The clip guide 44 can be fitted into the guide rail portions 40 and 42 from the side through the opening 46, and an insertion plate or the like described later can be inserted into the clip guide 44 through the opening 46. .

  Then, with reference to FIGS. 5-8, the clip guide insertion tool 50 of this embodiment is demonstrated. 5 is an overall perspective view of the clip guide insertion tool 50, FIG. 6 is a side view of the rail fixing portion 58 of the clip guide insertion tool 50, and FIG. 7 is a side view of the clip fixing portion 56 of the clip guide insertion tool 50. is there.

  As shown in FIG. 5, the clip guide insertion tool 50 is attached to the handrail of the entrance / exit 12 by being attached to the gripping portion 52, the extending portion 54 extending from the gripping portion 52, and the distal end of the extending portion 54. A rail fixing portion 58 fixed to the handrail guide rail 30 near the outside of the mouth 21 (see FIG. 2), and can be rotated to the extending portion 54 at a predetermined distance from the mounting position of the rail fixing portion 58 toward the grip portion 52. And a clip fixing portion 56 that releasably fixes a continuous portion of the clip guide 44.

  The gripping portion 52 is a portion that is gripped and gripped by an operator who uses the tool 50, and is formed in a column shape slightly thicker than the extending portion 54 in order to make it easy to grip. However, the grip portion 52 is not limited to such a shape, and may have another shape. For example, the end portion of the elongated member forming the extending portion 54 or the vicinity thereof may be used as the gripping portion with the same shape.

  The extending portion 54 can be suitably formed by an elongated metal member having a flat cross section. However, the cross-sectional shape of the extending portion 54 is not limited to a flat cross section, and may be other shapes such as a circle. Moreover, a plastic rod-like member having high rigidity may be used as the extending portion.

  As shown in FIG. 6, the rail fixing portion 58 can be suitably configured by a metal plate that is bent so as to form a substantially U-shaped or substantially U-shaped side shape, for example. Further, the rail fixing portion 58 is connected to a support pin 62 inserted through a through hole 60 formed at the distal end portion of the extending portion 54, thereby being supported rotatably with respect to the extending portion 54. . Furthermore, the rail fixing portion 58 has an upper plate portion 64 and a lower plate portion 66. A female screw hole 86 is formed in the lower plate portion 66. A wing screw 70 is screwed into the female screw hole 86. A clamping plate 72 is fixed to a screw tip portion located in the clip guide 44 of the wing screw 70. The clamping surface or upper surface 73 of the clamping plate 72 is roughened by a technique such as forming minute irregularities, forming a large number of grooves, knurling, or attaching a rough surface member such as sandpaper. Has been.

  In the rail fixing portion 58 configured as described above, the guide rail portion 40 (or 42) of the handrail guide rail 30 is inserted through the opening 65 between the upper plate portion 64 and the sandwiching plate 72 with the thumbscrew 70 loosened. Then, the guide rail portion 40 is sandwiched between the upper plate portion 64 and the sandwiching plate 72 by strongly tightening the thumbscrew 70, whereby the rail fixing portion 58 is fixed to the handrail guide rail 30. At this time, since the upper surface 73 of the clamping plate 72 is roughened, the rail fixing portion 58 is prevented from being displaced with respect to the handrail guide rail 30, and the fixing state is further strengthened. In addition, the inner surface of the upper plate portion 64 serving as a clamping surface for the guide rail portion 40 may be roughened in the same manner as the upper surface 73 of the clamping plate 72.

  As shown in FIG. 7, the clip fixing portion 56 has the same configuration as the rail fixing portion 58 described above. Therefore, the same elements are denoted by the same reference numerals, and redundant description is omitted with the aid of the description. Since the clip fixing portion 56 is rotatably attached to the extending portion 54 as described above, the clip guide 44 can be flexibly adapted to change the direction when the clip guide 44 is fixed and pushed. However, the clip fixing part 56 may be fixed to the extending part 54 at a predetermined angle (for example, an angle shown in FIG. 5).

  In the clip fixing portion 56, the clip guide 44 is inserted from the opening 46 between the upper plate portion 64 and the sandwiching plate 72 with the thumbscrew 70 loosened. At this time, an insertion plate 74 having a thickness substantially equal to the height of the opening 46 is disposed between the upper plate portion 64 and the lower plate portion 66 in the clip guide 44. The clip guide 44 is clamped between the upper plate portion 64 and the clamping plate 72 by strongly tightening the thumbscrew 70, and thereby the clip guide 44 is fixed to the clip fixing portion 56.

  At this time, since the upper surface 73 of the clamping plate 72 is roughened, the clip fixing portion 56 is prevented from being displaced with respect to the clip guide 44, and the fixing state is further strengthened. In addition, since the insertion plate 74 is disposed in the clip guide 44, the clip guide 44 is not crushed by clamping. On the other hand, if the thumbscrew 70 is loosened from this fixed state, the clip guide 44 can be released from the clip fixing portion 56. Note that the inner surface of the upper plate portion 64 serving as a clamping surface for the clip guide 44 may be roughened in the same manner as the upper surface 73 of the clamping plate 72.

Next, the usage state of the clip guide insertion tool 50 configured as described above will be described with reference to FIG.
First, an operator who replaces the clip guide 44 removes the moving handrail 18 from the handrail guide rail 30 using an appropriate or dedicated tool up to a position near the end face of the boot 22 of the handguard switch device.

  Then, with the end portion of the clip guide 44 fitted into the guide rail portion 40, the clip guide 44 is inserted into the gap between the handrail guide rail 40 and the moving handrail 18 in the handrail entrance 21 until the clip guide 44 can be pushed by hand. Go.

  When it becomes difficult to push the clip guide 44 by hand, the clip guide insertion tool 50 is used from there. First, the rail fixing portion 58 of the clip guide insertion tool 50 is fixed on the guide rail portion 40 at a position away from the end face of the boot 22 by an appropriate distance (for example, about 15 cm), and then the appropriate length from the end face of the boot 22 is set. A continuous portion of the clip guide 44 is fixed to the clip fixing portion 56 at a position separated by a distance (for example, about 20 cm).

  In this state, the grip 52 is pushed in the direction of arrow C. Then, using the rail fixing portion 58 as a fulcrum, the clip fixing portion 56 as an action point, and the gripping portion 52 as a force point, the clip guide 44 fixed to the clip fixing portion 56 is large in the longitudinal direction by the principle of a lever (second-type lever). A pushing force can be applied. As a result, the clip guide 44 can be pushed into the truss 20 on the back side from the handrail entrance 21. After the clip guide 44 is pushed in, for example, about several centimeters by a single operation, the clip guide 44 is once released from the clip fixing portion 56 and clipped to the clip fixing portion 56 at a position away from the end surface of the boot 22 by an appropriate distance. The guide 44 is fixed again and pushed in in the same manner. By repeating such an operation several times, when the end of the clip guide 44 on the insertion side comes into contact with a predetermined contact member (not shown), the insertion work for the clip guide 44 is completed.

  Then, the clip guide 44 is similarly inserted into the other guide rail portion 42 of the same handrail guide rail 30, and the same clip guide 44 is inserted at eight locations per escalator 10. It will be.

  As described above, according to the clip guide insertion tool 50 of the present embodiment, it is possible to easily perform the insertion operation of the clip guide 44 which is difficult to be performed by one operator's hand, and to perform the replacement operation of the clip guide. Efficiency can be greatly improved.

  In addition, the clip guide insertion tool which concerns on this invention is not limited to the thing of the form mentioned above, A various change and improvement are possible.

  For example, in the above description, the clip guide 44 with the insertion plate 74 held inward in the clip fixing portion 56 is sandwiched from above and below, but the present invention is not limited to this. The upper piece 45a or the lower piece 45b may be clamped and fixed. In this case, the clip fixing portion 56 may be rotated so that the opening 65 of the clip fixing portion 56 is directed toward the gripping portion 52. When the lower piece 45b of the clip guide 44 is clamped, the clip fixing portion 56 is You may arrange | position above the extending | stretching part 54. FIG.

  10 escalator, 11 control panel, 12 boarding gate, 14 steps, 15 floor, 16 balustrade, 18 moving handrail, 20 truss, 21 handrail entrance, 22 hand guard switch device boot, 30 handrail guide rail, 32 floor plate, 34 comb plate, 36 comb, 40, 44 guide rail portion, 44 clip guide, 50 clip guide insertion tool, 52 gripping portion, 54 extending portion, 56 clip fixing portion, 58 rail fixing portion.

Claims (5)

A tool for inserting a clip guide provided to cover the edge of the handrail guide rail in the gap between the handrail guide rail and the moving handrail at the handrail entrance located at the conveyor entrance when replacing the clip guide,
A gripping part;
An extending portion extending from the gripping portion;
A rail fixing portion fixed to the handrail guide rail in the vicinity of the outside of the handrail entrance, and attached to the tip of the extending portion so as to be rotatable.
A clip fixing portion that is attached to the extending portion at a predetermined distance from the mounting position of the rail fixing portion toward the gripping portion and releasably fixes a continuous portion of the clip guide that is inserted into the gap. Guide insertion tool. In the clip guide insertion tool according to claim 1,
A clip guide insertion tool characterized in that the clip fixing portion is rotatably attached to the extending portion. In the clip guide insertion tool according to claim 1 or 2,
The clip guide is a member that has a U-shaped cross section and is elongated and continuous, and the clip fixing portion is fixed by holding the clip guide from above and below with the insertion plate inserted in the clip guide. Clip guide insertion tool to be used. In the clip guide insertion tool according to claim 1 or 2,
The clip guide is an elongated and continuous member having a U-shaped cross section, and the clip guide is fixed by holding the upper piece portion or the lower piece portion of the clip guide at the clip fixing portion. Plug-in tool. In the clip guide insertion tool according to claim 3 or 4,
A clip guide insertion tool, wherein a clip guide holding surface of the clip fixing portion is roughened.

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