JP2009286528A - Moving handrail back side cleaning tool and moving handrail cleaning method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a burden for cleaning the back side of a moving handrail mounted on a parapet of an escalator system. <P>SOLUTION: The moving handrail back side cleaning tool 40 includes a pair of right and left gripping rods 44, 42 which can be gripped by right and left hands of a worker; several flexible guide wires 46 connected and disposed between the pair of the right and left gripping rods 44, 42, and inserted between the parapet provided with the moving handrail and the moving handrail; and cleaning brushes 48 disposed at centers in the longitudinal direction of the guide wires 46. Each guide wire 46 is composed of a plurality of strand wires twisted each other, and the cleaning brush 48 includes a brush bristle 52 with tips turned in all directions while being entangled in the twist 50 of the guide wire 46. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a moving handrail back side cleaning tool and a moving handrail cleaning method, and more particularly, to a moving handrail back side cleaning tool and a moving handrail cleaning method for cleaning the back side of a moving handrail arranged in a balustrade part of a passenger conveyor.

  Passenger conveyors such as escalators and moving walkways are equipped with balustrades on both sides of the footboard or sidewalk part that carries passengers, and moving handrails that move endlessly in conjunction with the footboard or sidewalk part above the balustrade part Provided. This moving handrail has a cross-sectional shape that wraps around the upper surface of the balustrade part, the back side that contacts the balustrade part is composed of a campus that is a cloth material with appropriate rigidity, and the surface that the user touches with the hand is a rubber that is comfortable to the touch Covered with wood or plastic.

  Since the campus on the back side of the moving handrail and the upper surface of the balustrade portion move relatively, the upper surface of the balustrade portion made of metal or the like and the campus are rubbed. As a result, wear powder or other dirt adheres to the campus behind the moving handrail, increasing the frictional resistance between the moving handrail and the balustrade, and increasing the load on the driving device that drives the moving handrail. The moving handrail may be slowed down. For this purpose, as maintenance, the campus behind the moving handrail is rubbed with a brush or the like to remove wear powder and other dirt.

  For example, in Patent Document 1, as a handrail cleaning device that automatically cleans campus dirt on the back side of a moving handrail of a passenger conveyor such as an escalator, a moving handrail configured endlessly in an escalator system has a back side on the top side. It is stated that a cleaning brush to remove the garbage on the campus will be installed at the position facing, and it is detected that the moving speed of the moving handrail slows due to dirt, and this brush is moved up and down to clean the campus. ing.

Japanese Patent Laid-Open No. 10-7368

  Although depending on the operation status of the passenger conveyor, the frequency at which the back side of the moving handrail needs to be cleaned is once every few months or several times a year. The automatic handrail cleaning device described in Patent Document 1 There are still many cases where the worker cleans the machine for maintenance rather than providing it.

  In order for the operator to clean the back side of the moving handrail, the endless moving handrail is removed from the balustrade and turned over, and the back side is directed to the front side where it is easy to work. As described above, the moving handrail has a cross-sectional shape that wraps around the upper surface of the balustrade, and the moving handrail is endless and has no breaks. For this reason, the work of removing the moving handrail from the balustrade and turning the back side to the front side is a considerable labor, and requires at least two workers. Further, it takes a considerable amount of work and time to remove the abrasion powder and dirt by rubbing the back side of the endless moving handrail with a brush.

  The objective of this invention is providing the moving handrail back side cleaning tool and the moving handrail cleaning method which make it possible to reduce the load regarding the cleaning of the back side of the moving handrail attached to the balustrade part.

  The moving handrail back side cleaning tool according to the present invention includes a pair of left and right grip bars that can be gripped by the left and right hands, and a wire connected between the pair of left and right grip bars, and is provided with a movable handrail. It is characterized by comprising a plurality of flexible guide wire portions that can be inserted between the dry portion and the moving handrail, and a cleaning brush disposed at the center in the longitudinal direction of each guide wire portion.

  Further, in the moving handrail backside cleaning tool according to the present invention, each guide wire part is a plurality of mutually twisted stranded wires, and the cleaning brush is entangled with the stranded wires of each guide wire, and the tip part is entangled. It is preferable to include brush hairs facing in all directions.

  Moreover, the moving handrail back side cleaning tool which concerns on this invention WHEREIN: It is arrange | positioned in the center part of the multiple guide wire part by which each cleaning brush is arrange | positioned, and it has a connection pad part which has a bulge and lifts the cleaning brush. Is preferred.

  Moreover, the moving handrail back side cleaning tool which concerns on this invention WHEREIN: It is preferable to provide the dust drop prevention cloth part which is arrange | positioned in the part of several guide wire part and has a softness | flexibility.

  The moving handrail cleaning method according to the present invention includes a step of removing a part of the moving handrail in the passenger conveyor from the balustrade part, and a grip bar part between the removed moving handrail and the balustrade part, A step of arranging a cleaning tool to which a guide wire portion including a cleaning brush is attached, a step of sandwiching the cleaning tool between the upper surface of the balustrade part and the campus part on the back side of the moving handrail, and fitting the moving handrail into the balustrade part; The process of cleaning the campus part behind the moving handrail with the cleaning brush while moving the cleaning tool using the grip bars at both ends, removing part of the moving handrail from the balustrade part, removing the cleaning tool, and moving the handrail again And a step of fitting the balustrade part into the balustrade part.

  With the above configuration, the moving handrail back side cleaning tool is a pair of left and right grip bars that can be gripped by the left and right hands, and a wire connected between the pair of left and right grip bars, where the moving handrail is provided. A plurality of flexible guide wire portions that can be inserted between the dry portion and the moving handrail, and a cleaning brush disposed at the center in the longitudinal direction of each guide wire portion. Therefore, insert the guide wire between the balustrade and the moving handrail, place the cleaning brush on the back side of the moving handrail, and move it to the left and right with the left and right hands to move the back side of the moving handrail. Dirt and the like can be easily removed.

  Moreover, in the moving handrail back side cleaning tool, each guide wire part is a plurality of mutually twisted stranded wires, and the cleaning brush is entangled with the stranded wires of each guide wire and the tip part is directed in all directions. Includes brush hair. Therefore, a flexible cleaning brush can be obtained with a simple configuration.

  In addition, the moving handrail back side cleaning tool includes a connecting pad portion that is disposed at a central portion of a plurality of guide wire portions on which cleaning brushes are respectively disposed and lifts the cleaning brush with a bulge. Thereby, cleaning can be performed by sufficiently pressing the cleaning brush against the back side of the moving handrail.

  In addition, the moving handrail back side cleaning tool includes a dust drop prevention cloth portion that is arranged in a plurality of guide wire portions and has flexibility. Accordingly, it is possible to prevent dirt and the like removed by cleaning from being scattered and reattached.

  In addition, the moving handrail cleaning method is to remove a part of the moving handrail on the passenger conveyor from the balustrade part, place a cleaning tool between the removed moving handrail and the balustrade part, and the campus on the backside of the balustrade part and the moving handrail. Clean the campus area behind the moving handrail with the cleaning brush while moving the cleaning tool with the grip bars on both ends with both hands and inserting the cleaning tool into the balustrade. When finished, part of the moving handrail is removed from the balustrade, the cleaning tool is removed, and the moving handrail is fitted into the balustrade again. In this way, the back side of the moving handrail can be cleaned with the portion where the moving handrail is removed from the balustrade portion being minimized. This eliminates the need to turn the moving handrail over from the balustrade, greatly reducing the burden of hard work for cleaning.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Below, although an escalator is demonstrated as an example of a passenger conveyor, if it has a balustrade part and a moving handrail, things other than this, for example, a moving sidewalk etc., may be sufficient. In addition, a structure in which the upper surface of the balustrade part is brazed and the moving handrail curves downward so as to cover the overhanging part of this fence is an example, and this is an example and moves so as to wrap around the upper surface of the balustrade part If it is the structure which a handrail covers, the structure can be changed according to the specification of a passenger conveyor. The materials, dimensions, and the like described below are examples, and can be changed according to the specifications of the passenger conveyor, particularly the specifications of the balustrade and the moving handrail.

  In the following, similar elements are denoted by the same reference symbols in all the drawings, and redundant description is omitted. In the description in the text, the symbols described before are used as necessary.

  FIG. 1 is a diagram illustrating a state in which the worker 8 is cleaning the back side of the moving handrail 30 using the moving handrail back side cleaning tool 40 in the maintenance of the escalator system 10. Here, the escalator system 10 has a function of connecting the upper floor 12 and the lower floor 14, sequentially moving steps not shown, and carrying passengers on the steps. In the escalator system 10, a skirt portion 16 for storing an endless drive chain or the like that circulates and moves a step is disposed to connect the upper floor 12 and the lower floor 14, and a balustrade portion 18 is disposed on the skirt portion 16. Located on both sides of the step. The balustrade part 18 has a function etc. which guide and protect so that a passenger may not protrude from the edge part of a step, for example. A moving handrail 30 that moves in synchronization with the operation of the step is provided on the balustrade 18, and a passenger on the step grabs the moving handrail 30 and moves between the upper floor and the lower floor. be able to.

  The moving handrail back side cleaning tool 40 is a tool for cleaning the back side of the moving handrail 30. As described above, since the moving handrail 30 and the balustrade part 18 move relative to each other, the back side of the moving handrail 30 may be rubbed against the upper part of the balustrade part 18, and wear powder is generated by the friction, or It may involve external garbage. For this reason, dirt or the like may adhere to the back side of the moving handrail 30 and possibly the upper part of the balustrade portion 18, the movement load of the moving handrail 30 may increase, and the moving speed of the moving handrail 30 may be reduced. Therefore, the operator 8 cleans the back side of the moving handrail 30 as maintenance, but the moving handrail back side cleaning tool 40 is a tool for that purpose.

  The moving handrail back side cleaning tool 40 is a wire connected between a pair of left and right grip bars 42 and 44 that can be gripped by the operator 8 with left and right hands, and a pair of left and right grip bars 42 and 44. A plurality of flexible guide wire portions 46 that can be inserted between the balustrade portion where the moving handrail is provided and the moving handrail, and a cleaning brush 48 disposed at the center in the longitudinal direction of each guide wire portion 46; It is configured with.

  The moving handrail back side cleaning tool 40 is large enough to be held and held by the operator 8 with both hands, and the guide wire portion 46 on which the cleaning brush 48 is disposed has flexibility, so that the moving handrail 30 is removed from the balustrade portion 18. It is possible to create a gap by removing a part, and to allow the moving handrail back side cleaning tool 40 to enter the gap. The part which removes the moving handrail 30 for this from the balustrade part 18 should just be about several 10 cm. Conventionally, since the back side is cleaned with the moving handrail 30 facing back, about half of the length of the moving handrail 30 that is endless and has considerable weight and rigidity is removed from the balustrade portion 18 and turned back. Work is necessary. Compared to this, only the part of several tens of centimeters can be removed by removing the moving handrail 30 from the balustrade 18 and letting the moving handrail back side cleaning tool 40 enter the gap.

  FIG. 2 is a cross-sectional view showing a state in which the moving handrail back side cleaning tool 40 is embedded in the upper member 20 of the balustrade part 18 and the back side of the moving handrail 30, and the moving handrail 30 is fitted into the balustrade part 18 again.

  The balustrade part 18 is a member erected on the skirt part 16 as described with reference to FIG. 1, and is made of, for example, a suitable metal material or plastic material. Considering the design and the like, both sides may be constituted by a transparent acrylic plate. The upper member 20 of the balustrade portion 18 is a portion that guides and holds the moving handrail 30 and is a rail-like member whose top portion spreads in a wide bowl shape. Due to its shape, the upper member 20 may simply be called a rail. The upper member 20 of the balustrade portion 18 can be made of, for example, a suitable metal material or plastic material.

  The moving handrail 30 is movably disposed on the upper member 20 of the balustrade portion 18, is guided by the upper member 20 above the balustrade portion 18, and is endless in the skirt portion 16 below the balustrade portion 18. An integrated annular member. The moving handrail 30 has a cross-sectional shape on the upper side of the balustrade portion 18, curved downward so as to wrap around the collar portion of the upper member 20 of the balustrade portion 18, and with the C-shaped opening facing downward. The width of the moving handrail 30 is such a size that a passenger can hold it by hand, for example, 10 cm inside or outside. The height dimension of the portion that curves downward of the moving handrail 30 is, for example, several centimeters.

  The moving handrail 30 has a laminated structure. In other words, the movable handrail 30 is provided with an appropriate soft plastic rubber 32 on the surface side to be gripped by the passenger so that the hand feels good, and the rear side facing the upper member 20 of the balustrade portion 18 has an appropriate rigidity. A campus part 34 composed of a campus cloth is arranged, and an appropriate intermediate layer is arranged between them.

  Therefore, the campus part 34 on the back side of the moving handrail 30 is arranged to face the upper member 20 of the balustrade part 18. An appropriate backlash is provided between the campus portion 34 and the upper member 20 so that the moving handrail 30 can be guided and moved along the upper member 20. For example, the backlash between the campus part 34 and the flat surface of the top part of the upper member 20 is provided about several mm in the vertical direction.

  The moving handrail back side cleaning tool 40 is disposed between the campus part 34 and the upper member 20 by using the gap of several mm. As described above, the arrangement is such that the moving handrail 30 is removed from the balustrade part 18 by, for example, about 30 cm along the moving direction, and from one side of the moving handrail 30 on the one side between the campus part 34 and the upper member 20. The grip bar portion 42 is hidden in the left and right sides of the moving handrail 30, the other grip bar portion 44 is left as it is on one side of the moving handrail 30, and the moving handrail 30 is fitted into the balustrade portion 18 again.

  In this manner, the guide wire portion 46 including the cleaning brush 48 is sandwiched between the campus portion 34 and the upper member 20, and the grip bar portions 42 and 44 are respectively left and right of the moving handrail 30. And can. In this state, the abrasive powder and dirt attached to the campus portion 34 can be scraped off with the cleaning brush 48 by swinging and reciprocating the grip rod portions 42 and 44 in the direction of the white arrow shown in FIG. it can. Further, dirt and the like attached to the upper member 20 can be removed.

  3A and 3B are detailed views of the moving handrail back side cleaning tool 40, wherein FIG. 3A is a plan view and FIG. 3B is a side view. The left and right grip bar portions 42 and 44 are made of a bar material of wood, plastic material, or metal material having a thickness that can be gripped by the operator 8 by hand. Several guide wire portions 46 arranged between the left and right grip rod portions 42 and 44 have appropriate flexibility so that they can be inserted into the play gap between the upper member 20 of the balustrade portion 18 and the moving handrail 30. It is a wire. In the example of FIG. 3, four guide wire portions 46 are stretched between the left and right grip rod portions 42 and 44.

  Each guide wire portion 46 is formed by twisting a plurality of single wire wires. A cleaning brush 48 is disposed in a portion corresponding to the central portion between the left and right grip bar portions 42 and 44. The cleaning brush 48 has a plurality of brush hairs 52 entangled at a single wire twist 50 so that the tip part faces in all directions. The guide wire portion 46 can use a metal wire as a single wire. Further, nylon brush hair or metal wire brush hair can be used as the brush hair 52 of the cleaning brush 48.

  The cleaning brush disposed at the center of the guide wire portion 46 may be any brush that can rub the surface of the campus portion 34 and remove abrasion powder, dirt, and the like. For example, the guide wire portion 46 may be provided with appropriate irregularities and used as a cleaning brush, or a plurality of other members having cutting teeth may be attached to the guide wire portion 46 and used as a cleaning brush. In some cases, an appropriate shaving powder may be fixed or applied to the guide wire portion 46.

  FIG. 4 is a diagram illustrating a moving handrail back side cleaning tool 60 having another configuration. Here, appropriate holes are provided in the left and right grip bars 62 and 64 so that the finger of the operator 8 can be put on. In addition, a connecting pad portion 66 is disposed at the center of the plurality of guide wire portions 46 where the cleaning brushes 48 are respectively disposed, and between the left and right grip rod portions 62 and 64 below the connecting pad portion 66. A dust drop prevention cloth portion 68 is disposed on the side.

  The connection pad portion 66 is a member having an appropriate elasticity, and is disposed below each guide wire portion 46. The connection pad portion 66 has a function of lifting the cleaning brush 48 of each guide wire portion 46 and pressing the cleaning brush 48 against the campus portion 34 on the back side of the moving handrail 30 with an appropriate elasticity. The connection pad portion 66 can be constituted by, for example, a plastic rubber plate having an appropriate elasticity, a cloth bag having a cushion material therein, or the like. The connecting pad portion 66 can be fixed to each guide wire portion 46 having the cleaning brush 48 with an appropriate tying member, and can be sandwiched between the dust drop preventing cloth portion 68 and each guide wire portion 46. be able to.

  The dust drop prevention cloth portion 68 is disposed below the plurality of guide wire portions 46 and the connection pad portion 66 so as not to scatter the abrasion powder and dirt removed by rubbing with the cleaning brush 48. It is a cloth having an appropriate flexibility to be received. By using the dust drop prevention cloth portion 68, it is possible to prevent dust from being scattered in the operation of cleaning the back side of the moving handrail. The dust drop prevention cloth portion 68 can be arranged by fixing a strong cloth to the left and right grip bar portions 62 and 64 at both ends appropriately.

  FIG. 5 is a flowchart showing the procedure of the moving handrail back side cleaning method. In order to clean the back side of the moving handrail, the moving handrail back side cleaning tool 40 described in FIG. 3 is prepared (S10). It is good also as what prepares the moving handrail back side cleaning tool 60 demonstrated in FIG. Next, the escalator system 10 is stopped for maintenance, and a work area is secured. Then, the moving handrail 30 is removed from the balustrade part 18 by about 30 cm along the moving direction (S12). As shown in FIG. 1, the position to be removed is preferable at the lower floor 14 or the upper floor 12 because the scaffold is stable. Of course, the moving handrail 30 may be removed at other locations. Then, the moving handrail back side cleaning tool 40 described with reference to FIG. 3 is placed in the backlash between the campus portion 34 of the removed moving handrail 30 and the upper member 20 of the balustrade portion 18 in the procedure described with reference to FIG. It arrange | positions on both sides (S14). Then, the moving handrail 30 is fitted into the balustrade 18 (S16). As a result, the cleaning brush 48 is sandwiched between the campus portion 34 and the upper member 20, and the left and right grip bar portions 42, 44 are left and right of the moving handrail 30.

  Therefore, the worker 8 moves the moving handrail back side cleaning tool 40 to the left and right using the left and right grip bars 42 and 44 with the left and right hands, and the campus portion on the back side of the moving handrail 30 with the cleaning brush 48. 34 is brushed and cleaned (S18). Then, while sequentially climbing the steps of the escalator system 10, the back side of the moving handrail 30 is sequentially cleaned from the lower floor 14 side toward the upper floor 12. When reaching the upper floor 12, the escalator system 10 is gently operated in the manual mode while firmly holding the moving handrail back side cleaning tool 40, and the moving handrail 30 is moved to the lower floor 14 side by half a circle. Then, the escalator system 10 is stopped, brushing is performed at the position, that is, the position of the upper floor 12, and then the moving handrail 30 is moved from the upper floor 12 side toward the lower floor 14 while sequentially descending the steps. Sequentially clean the back of the. When reaching the lower floor 14, the moving handrail 30 is cleaned for one round.

  In addition, it is good also as what sequentially cleans the back side of the moving handrail 30 for one round using procedures other than this. For example, the operator 8 may always be on the lower floor 14 or the upper floor 12 and move the escalator system 10 in small steps in the manual mode.

  When the cleaning for one round of the moving handrail 30 is thus completed, the moving handrail 30 is removed again by about 30 cm (S20). And the moving handrail back side cleaning tool 40 is removed from between the moving handrail 30 and the balustrade part 18 (S22). Thereafter, the moving handrail 30 is fitted into the balustrade section 18 to return to the original state (S24). Then, the work area is removed, and the escalator system 10 is returned to the normal operation mode. Thus, the cleaning of the back side of the moving handrail 30 can be completed in a short time with a light load.

It is a figure which shows a mode that the operator is cleaning the back side of the moving handrail 30 in the maintenance of an escalator system using the moving handrail back side cleaning tool of embodiment which concerns on this invention. It is sectional drawing which shows the state which dipped the moving handrail back side cleaning tool of embodiment which concerns on this invention in the upper part of a balustrade part and the back side of a moving handrail, and again fitted the moving handrail in the balustrade part. It is detail drawing of the moving handrail back side cleaning tool of embodiment which concerns on this invention. In embodiment which concerns on this invention, it is a figure which shows the moving handrail back side cleaning tool of another structure. In embodiment which concerns on this invention, it is a flowchart which shows the procedure of the moving handrail back side cleaning method.

Explanation of symbols

  8 workers, 10 escalator system, 12 upper floor, 14 lower floor, 16 skirt section, 18 balustrade section, 20 upper member, 30 moving handrail, 32 plastic rubber, 34 campus section, 40,60 moving handrail back side cleaning tool, 42 , 44, 62, 64 Grip bar part, 46 guide wire part, 48 cleaning brush, 50 twists, 52 brush hair, 66 connection pad part, 68 dust drop prevention cloth part.

Claims (5)

A pair of left and right grip bars that can be gripped by left and right hands,
A wire connected between a pair of left and right grip bars, a guide wire portion having a plurality of flexibility that can be inserted between a balustrade portion provided with a moving handrail and a moving handrail,
A cleaning brush disposed at the center in the longitudinal direction of each guide wire portion;
The moving handrail back side cleaning tool characterized by comprising. In the moving handrail back side cleaning tool of Claim 1,
Each guide wire portion is a plurality of mutually twisted stranded wires,
The cleaning hand brush back side cleaning tool characterized by including the bristle which makes the front-end | tip part wraps around the twisted wire of each guide wire, and directs the front-end | tip part in all directions. In the moving handrail back side cleaning tool of Claim 1,
A moving handrail back side cleaning tool, comprising a connecting pad portion that is disposed at a central portion of a plurality of guide wire portions on which cleaning brushes are respectively disposed and has a bulge and lifts the cleaning brush. In the moving handrail back side cleaning tool of Claim 1,
A moving handrail back side cleaning tool, comprising a dust drop preventing cloth portion that is arranged at a plurality of guide wire portions and has flexibility. Removing a part of the handrail on the passenger conveyor from the balustrade;
Between the removed moving handrail and the balustrade part, a process of arranging a cleaning tool having a grip bar part at both ends, and a guide wire part including a cleaning brush attached between the gripping bar part,
Inserting a cleaning tool between the upper surface of the balustrade part and the campus part on the back side of the moving handrail, and inserting the moving handrail into the balustrade part;
Cleaning the campus part behind the moving handrail with a cleaning brush while moving the cleaning tool using the grip bars at both ends;
Removing a part of the moving handrail from the balustrade, removing the cleaning tool, and fitting the moving handrail into the balustrade again;
The moving handrail cleaning method characterized by including.

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