JP5075848B2 - Chain cleaning device for passenger conveyor - Google Patents

Description

  The present invention relates to a chain cleaning device for a passenger conveyor that cleans various chains provided in the passenger conveyor.

  In general, passenger conveyors used by many people run on multiple steps, various chains such as step chains that connect these steps endlessly, a driving device that drives these chains, and each step traveling The step chain circulates on the rail by circulating the step chain with a driving device. In addition, each chain is configured by connecting a plurality of link plates with roller portions, and lubricating oil is periodically supplied to each link plate so as to smoothly circulate.

  However, when the dust accumulated on the steps or rails rises, when the dust adheres to the chain and mixes with the lubricating oil, a slender semi-solid material is formed. When this sludge-like semi-solid material covers the link plate, the lubricating oil is not properly supplied to each part of the link plate. Therefore, if the chain is circulated and moved in this state, there is a problem that the chain is finally cut.

  Therefore, in order to solve such a problem, the cleaning brush attached to the fixing member of the passenger conveyor and brought into sliding contact with the step chain is attached to the step chain by circulating the step chain for cleaning. A chain cleaning device for a passenger conveyor that removes dust and the like has been proposed (see, for example, Patent Document 1).

JP-A-10-218547

  However, in the passenger conveyor chain cleaning device disclosed in Patent Document 1, the cleaning brush is rubbed with the step chain while the cleaning brush is slidably contacted with the step chain, whereby the hair of the cleaning brush is caused by the movement of the step chain. Always receive power. Therefore, since the hair of the cleaning brush is bent in the moving direction, the resistance of the cleaning brush to the step chain is reduced, and a portion where the cleaning brush does not contact the step chain is generated. Something is missing. Thus, there exists a problem that this chain cleaning apparatus has the low cleaning capability.

  The present invention has been made in view of the actual situation of the prior art as described above, and an object of the present invention is to provide a chain cleaning device for a passenger conveyor that can reduce sludge-like semi-solids and ensure high cleaning ability. There is.

  In order to achieve the above object, the passenger conveyor chain cleaning device of the present invention is attached to a passenger conveyor provided with a plurality of steps and various chains such as a step chain for connecting these steps endlessly. In the chain cleaning device of the passenger conveyor that travels and cleans the chain, a hole part through which the chain is inserted, a chain insertion part through which the chain is inserted into the hole part, and a plurality of cuts from the hole part are cut. A notch portion that is slidably contacted with the chain is formed, and a thin plate material having elasticity is provided.

  In the present invention configured as above, when the chain is inserted into the hole by pressing the thin plate material chain insertion portion against the chain, the cut portion is on the outer peripheral surface of the cross section of the chain perpendicular to the moving direction of the chain by the cut. Abuts securely. When the chain is circulated and moved in this state, an elastic force is exerted to return to the original position even if the chain is circulated, and the elastic force can follow the chain without damaging the resistance force. Therefore, the sludge-like semi-solid adhering to the chain can be reliably removed, and the sludge-like semi-solid can be omitted. Thus, the attaching / detaching operation of the chain cleaning device is simple and high cleaning ability can be ensured.

  In the passenger conveyor chain cleaning apparatus according to the present invention, a box-shaped body through which the chain is inserted is provided, and the box-shaped body includes the thin plate material in the vicinity of at least one of both ends.

  In the present invention configured as described above, sludge-like semi-solid matter removed by the cut portion of the thin plate material can be stored in the box-like body, so that the removed sludge-like semi-solid matter is scattered. It can prevent, and it can prevent adhering to a chain again by scattering.

  Further, in the chain cleaning device for a passenger conveyor according to the present invention, the passenger conveyor includes a chain cutting detection device that has a sliding contact portion that slides on the chain and detects the cutting of the chain. The box-shaped body is provided with a mounting hole for attaching the chain breakage detecting device and accommodates the sliding contact portion. If comprised in this way, since it can be made into an integrated type with a chain | strand cut | disconnection detection apparatus, while being able to install easily, stable arrangement | positioning can be implement | achieved, without taking space.

  In the chain cleaning device for passenger conveyors of the present invention, the elastic thin plate material is slid onto the chain by being inserted into the hole through which the chain is inserted, the chain insertion part through which the chain is inserted into the hole, and a plurality of cuts from the hole. And a cut portion in contact therewith. When the chain insertion part of the thin plate material is pressed against the chain and the chain is inserted into the hole part, the notch part reliably comes into contact with the outer peripheral surface of the cross section of the chain perpendicular to the moving direction of the chain. When the chain is circulated and moved in this state, an elastic force is exerted to return to the original position even if the chain is circulated, and the elastic force can follow the chain without damaging the resistance force. Therefore, the sludge-like semi-solid adhering to the chain can be reliably removed, and the sludge-like semi-solid can be omitted. Thereby, a high cleaning capability can be ensured. Further, since the thin plate member can be easily attached and detached simply by inserting the chain insertion portion of the thin plate material into the chain, the attaching / detaching operation of the chain cleaning device is simple and convenient.

It is a side view which shows an example of the attachment state of the chain with which a passenger conveyor is equipped. It is a side view which expands and shows the principal part of the chain shown in FIG. It is sectional drawing which follows the AA line of FIG. It is a perspective view which shows the structure of the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention. It is a side view which shows the attachment state of the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention. It is sectional drawing which shows the state which the thin board | plate material with which the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention was equipped was located on the AA line shown in FIG. It is sectional drawing which shows the state which the thin board | plate material with which the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention was equipped was located on the BB line shown in FIG.

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the chain cleaning apparatus of the passenger conveyor which concerns on this invention is demonstrated based on figures.

  FIG. 1 is a side view showing an example of an attached state of a chain in a passenger conveyor in which a chain cleaning device for a passenger conveyor according to an embodiment of the present invention is used, and FIG. 2 is an enlarged view of a main part of the chain shown in FIG. 3 is a cross-sectional view taken along line AA in FIG. 2, FIG. 4 is a perspective view showing the configuration of a chain cleaning device for a passenger conveyor according to an embodiment of the present invention, and FIG. 5 is an embodiment of the present invention. The side view which shows the attachment state of the chain cleaning apparatus of the passenger conveyor which concerns on a form, FIG. 6 is located on the AA line shown in FIG. 2 by the thin board | plate material with which the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention is equipped. FIG. 7 is a cross-sectional view showing a state in which a thin plate material provided in a chain cleaning device for a passenger conveyor according to an embodiment of the present invention is located on the line BB shown in FIG.

  A chain cleaning device for a passenger conveyor according to an embodiment of the present invention is attached to various chains such as a step chain that links a plurality of steps provided in the passenger conveyor in an endless manner, for example, as shown in FIG. It is attached to a chain 3 wound around a sprocket 1 and a driven sprocket 2 that follows the drive sprocket 1. The chain 3 circulates by driving the drive sprocket 1. Further, the chain 3 is provided with a chain cutting detection device 4 that has a sliding contact portion 4 a that is in sliding contact with the chain 3 and detects the cutting of the chain 3.

  As shown in FIGS. 2 and 3, the chain 3 includes a pair of inner link plates 5 on the inside and a pair of outer link plates 6 on the outside of the pair of inner link plates 5. A plurality of inner link plates 5 and outer link plates 6 are alternately connected to each other so as to be endless. Lubricating oil is regularly supplied to each part of the inner link plate 5 and the outer link plate 6 and mixed with dust adhering to the inner link plate 5 and the inner link plate 5 and the outer link plate 6. It is formed on the surface of the outer link plate 6. When the inner link plate 5 and the outer link plate 6 are damaged, the chain breakage detection device 4 detects an abnormality when the sliding contact portion 4a that is in sliding contact with the chain 3 is displaced by a certain value or more.

  As shown in FIG. 4, a chain cleaning device 9 for a passenger conveyor according to one embodiment of the present invention includes a pair of thin plate members 10 and a thin plate member holding portion 11 that holds these thin plate members 10 in the vicinity of both ends. I have. The thin plate member 10 includes a hole 12 through which the chain 3 is inserted, a chain insertion part 13 that is provided outward from the side surface of the hole 12 and passes the chain 3 into the hole 12, and a plurality of cuts from the hole 12 A cut portion 14 that is slidably contacted with the chain 3 is formed and has elasticity.

  The notches 14 include four linear notches 15 cut from the hole 12 in the vertical direction by three, and four inclined notches cut radially from the hole 12 one by one. These linear cut portions 15 are designed in advance so that one end thereof comes into contact with the four upper and lower surfaces of the pair of inner link plates 5, and the inclined cut portions 16 have a pair of outer ends. The link plate 6 is designed in advance so as to abut on the upper and lower surfaces of the link plate 6 respectively.

  On the other hand, the thin plate material holding portion 11 includes a pair of divided bodies 17a and 17b having a U-shape, a pair of fixing bands 18a and 18b for fastening and fixing the divided bodies 17a and 17b near both ends in the longitudinal direction, and a chain It consists of a mounting hole 19 through which the cutting detection device 4 is inserted, and the inside is designed in advance into a box-like body that can accommodate the sliding contact portion 4a of the chain cutting detection device 4. Moreover, the groove part 20 which each engages with a pair of thin board | plate material 10 is formed inside the both ends of the longitudinal direction of these division bodies 17a and 17b.

  Next, the attachment state of the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention is demonstrated based on FIG. 4, FIG.

  The chain insertion portions 13 of the pair of thin plate members 10 shown in FIG. 4 are pressed against the chain 3 to insert the chains 13 into the holes 12 of the thin plate members 10, and the thin plate members 10 are placed on both sides of the sliding contact portion 4a. Place each one. Then, the groove portions 20 of the pair of divided bodies 17a and 17b are respectively engaged from both sides of the thin plate member 10, and the vicinity of both ends in the longitudinal direction of the divided bodies 17a and 17b is fastened and fixed by the pair of fixing bands 18a and 18b. And integrated. At this time, care is taken that the chain breakage detection device 4 is inserted into the mounting hole 19. This attaches to the state shown in FIG.

  Next, operation | movement of the chain cleaning apparatus of the passenger conveyor which concerns on one Embodiment of this invention is demonstrated based on FIG. 6, FIG.

  In the chain cleaning device 9 for a passenger conveyor according to an embodiment of the present invention, when the chain 3 is circulated and moved in a state where the chain 3 is inserted into the hole 12 of the thin plate member 10, the inner link plate 5 and the outer link plate 6 are moved. The notch part 14 which contacts is followed with the movement of the chain 3. As shown in FIG. 6, for example, when the thin plate material 10 that follows the chain 3 is located in the AA diagram shown in FIG. 2, that is, when the thin plate material 10 is located at the maximum height dimension of the chain 3. The four straight cut portions 15 are bent in contact with the upper and lower surfaces of the pair of inner link plates 5, respectively. Then, due to the elasticity of each linear cut portion 15, a resistance force is exerted on the upper and lower surfaces of the inner link plates 5 to remove the semi-solid materials 8 formed on the upper and lower surfaces of the inner link plates 5. Further, the four inclined cut portions 16 are in contact with and opened at four locations on the upper and lower surfaces of the pair of outer link plates 6 and are bent. Then, due to the elasticity of the inclined cut portions 16, the upper and lower surfaces and side surfaces of the outer link plates 6 are resisted to remove the semi-solids 8 formed on the upper and lower surfaces and side surfaces of the outer link plates 6, respectively. .

  On the other hand, as shown in FIG. 7, when the thin plate material 10 that follows the chain 3 is positioned in the BB diagram shown in FIG. 2, that is, when the thin plate material 10 is positioned at the minimum height dimension of the chain 3. Since the pair of inner link plates 5 do not exist at this position, the four linear cut portions 15 following the chain 3 return to their original positions due to elasticity. Further, the four inclined cut portions 16 are bent in contact with the four upper and lower surfaces of the pair of outer link plates 6. Then, due to the elasticity of each inclined cut portion 16, a resistance force is exerted on the upper and lower surfaces of the outer link plate 6 to remove the semi-solid materials 8 formed on the upper and lower surfaces of the outer link plate 6.

  According to the passenger conveyor chain cleaning device 9 according to one embodiment of the present invention configured as described above, the chain insertion portion 13 of the thin plate member 10 is pressed against the chain 3, and the chain 3 is inserted into the hole portion 12, and this state is established. When the chain 3 is circulated and moved, the four linear cut portions 15 follow the upper and lower surfaces of the pair of inner link plates 5 and the four inclined cut portions 16 are formed on the pair of outer link plates 6. Follow the bottom surface respectively. Then, due to the notches and elasticity of the linear notches 15 and the inclined notches 16, resistance acts appropriately on the upper and lower surfaces and side surfaces of the inner link plate 5 and the outer link plate 6 having different height positions. Thus, the semi-solid material 8 formed on the upper and lower surfaces and the side surfaces of the inner link plate 5 and the outer link plate 6 can be removed. Thereby, the spillage of the sludge-like semi-solid 8 adhering to the chain 3 can be reduced, and a high cleaning capability can be ensured.

  Further, in one embodiment of the present invention, the chain cleaning device 9 can be easily attached or removed simply by inserting the chain insertion portion 13 provided in the thin plate material 10 into the chain 3, and this chain cleaning can be performed. The attachment / detachment work of the device 9 is simple and convenient. Thereby, the time of the attachment or detachment operation | work of the chain cleaning apparatus 9 can be shortened, and the efficiency of the attachment or detachment operation | work of this chain cleaning apparatus 9 can be improved.

  Further, in the embodiment of the present invention, the sludge-like semi-solid material 8 removed by the cut portion 14 of the thin plate material 10 can be stored in the thin plate material holding portion 11 of the box-shaped body. It is possible to prevent the semi-solid material 8 from being scattered and to prevent it from adhering to the chain 3 again due to the scattering. Thereby, the efficiency of cleaning work can be improved.

  Further, in the embodiment of the present invention, the chain breakage detecting device 4 can be inserted through the mounting hole 19 of the thin plate material holding portion 11 of the box-like body, so that it is integrated with the chain breakage detecting device 4. And can be installed easily, and a stable arrangement can be realized without taking up space.

  In the embodiment of the present invention, the linear notch 15 and the inclined notch 16 of the thin plate member 10 are provided at the upper and lower positions of the hole 12, so that it is difficult to clean the chain 3. The inner peripheral surface of the can also be cleaned.

  In the embodiment of the present invention, the thin plate material holding portion 11 holds the pair of thin plate materials 10 in the vicinity of both ends in the longitudinal direction, so that the same as described above even if the chain 3 is circulated in the reverse direction. An effect is obtained. Thus, since it can respond to the bidirectional | two-way movement of the chain 3, versatility is high.

  In addition, in one Embodiment of this invention, although the case where the thin-plate material holding | maintenance part 11 was a box-shaped body was demonstrated, if it is the shape which can accommodate the removed sludge-shaped semisolid 8, it is not a box-shaped body. Also good.

  Moreover, in one Embodiment of this invention, although the case where the chain insertion part 13 was provided in the outer side from the side surface of the hole part 12 was demonstrated, you may provide the chain insertion part 13 in any position of the surrounding surface of the hole part 12. .

  Further, in the embodiment of the present invention, the thin plate material holding portion 11 is described as a single unit by tightening and fixing the vicinity of both ends in the longitudinal direction of the pair of divided bodies 17a and 17b with the pair of fixing bands 18a and 18b. However, instead of the pair of fixed bands 18a and 18b, a pair of divided members 17a and 17b may be provided with connecting members, respectively, so as to be integrated.

DESCRIPTION OF SYMBOLS 3 Chain 4 Chain cutting | disconnection detection apparatus 4a Sliding contact part 5 Inner link plate 6 Outer link plate 7 Roller part 8 Semi-solid 9 Chain cleaning device 10 Thin plate material 11 Thin plate material holding part 12 Hole part 13 Chain insertion part 14 Cut part 15 Straight cut portion 16 Inclined cut portion 17a, 17b Split body 18a, 18b Fixing band 19 Mounting hole 20 Groove portion

Claims (3)

In a chain cleaning device for a passenger conveyor that is attached to a passenger conveyor provided with a plurality of steps and various chains such as a step chain that links these steps endlessly, and that travels and cleans the chain,
A hole portion through which the chain is inserted, a chain insertion portion through which the chain is inserted into the hole portion, and a plurality of cut portions that are cut from the hole portion and are in sliding contact with the chain are formed and have elasticity. A passenger conveyor chain cleaning device comprising a thin plate material. In the chain cleaning device of the passenger conveyor according to claim 1,
A chain cleaning device for a passenger conveyor, comprising a box-like body through which the chain is inserted, wherein the box-like body comprises the thin plate material in the vicinity of at least one of both ends. In the chain cleaning apparatus of the passenger conveyor of Claim 2,
The passenger conveyor comprises a chain cutting detection device that has a sliding contact portion that slides on the chain and detects the cutting of the chain,
A chain cleaning device for a passenger conveyor, wherein the box-shaped body includes a mounting hole portion to which the chain breakage detection device is attached and the sliding contact portion is accommodated.

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