JP4541262B2 - Oil pan cleaning device for passenger conveyor - Google Patents

Description

  The present invention relates to an oil pan cleaning device for passenger conveyors.

  In general, an escalator as an example of a passenger conveyor includes a main body frame 20, a driving machine 21 provided in an upper machine room 20A of the main body frame 20, and driving rotation of the driving machine 21 as shown in FIG. An upper drive step chain sprocket 23 transmitted through the chain 22, a driven chain sprocket 24 provided in the lower machine chamber 20 B of the main body frame 20, and a pair of left and right step chains 25 wound around the chain sprockets 23, 24. A plurality of steps 26 connected endlessly to the step chain 25, a balustrade 27 erected on the left and right of the plurality of steps 26, and a moving handrail 28 provided on the upper portion of the balustrade 27 A moving handrail driving device 29 for moving the moving handrail 28; The oil pan 30 is disposed below the return side of several steps 26 so that the plurality of steps 26 move in a predetermined direction in synchronization with the rotation of the upper drive step chain sprocket 23. It is configured. Moreover, a plurality of mounting shafts 31 are pivotally supported at regular intervals between the pair of left and right step chains 25 of the escalator, as shown in FIG. The step 26 is fixed to a bearing 32 provided on the mounting shaft 31 shown in FIG. 11 using bolts.

As a device for cleaning the oil pan 30 of the escalator described above, a passenger conveyor provided with a connecting member connected to the mounting shaft 31 of the step 26 and a contact member supported by the connecting member and contacting the oil pan 30 is provided. It has been known that an oil pan cleaning device is installed between the step 26 and the oil pan 30 so that the dust on the oil pan 30 is swept up by the contact member by running the step 26. (For example, refer to Patent Document 1).
JP 2002-20072 (paragraph numbers 0012 to 0014, FIGS. 1 to 2 and FIG. 18)

  However, all of the contact members (cleaning portions) of the oil pan cleaning device for passenger conveyors described in the above Japanese Patent Application Laid-Open No. 2002-20072 and the like rotate following the unevenness of the upper surface shape of the oil pan. As a result, a large gap is formed between the contact member (cleaning part) and the oil pan. That is, the conventional oil pan has a convex curved surface 30A that is curved in a convex shape as shown in FIG. 12, or a concave curved surface 30B that is curved in a concave shape as shown in FIG. For this reason, even if the contact member 32 of the oil pan cleaning device for passenger conveyors described in JP-A-2002-20072 is slid along the convex curved surface 30A or the concave curved surface 30B, the contact can be achieved. A large gap G1 or gap G2 is formed between the member 32 and the convex curved surface 30A or the concave curved surface 30B. For this reason, the dust collected by the contact member 32 is taken out from the large gaps G1 and G2, so that there is a problem that the collected dust must be collected manually.

  The present invention is made from the actual situation in the above-described prior art, and its purpose is for a passenger conveyor that can prevent the dust collected from being swept up even when the upper surface of the oil pan is a convex curved surface or a concave curved surface. An object of the present invention is to provide an oil pan cleaning device.

  In order to achieve the above object, the present invention contacts a connecting member connected to a mounting shaft of a tread board of a passenger conveyor, and an oil pan supported by the connecting member and disposed below the return side of the tread board. In the oil pan cleaning device for passenger conveyors, the contact member comprising at least a contact member and running the tread so that the contact member slides on the oil pan and sweeps up dust on the oil pan. Is divided into a central contact portion supported by the connecting member, a right contact portion extending to the right side of the central contact portion, and a left contact portion extending to the left side of the central contact portion, and The right contact portion and the left contact portion are provided rotatably at the central contact portion so as to be turned up and down in accordance with the shape of the upper surface of the oil pan. Here, the tread includes a tread such as an escalator step or a moving sidewalk pallet.

  Further, according to the present invention, the right contact portion is configured such that a right shaft provided on a right bearing body fixed to the center contact portion or the right contact portion is inserted into a hole provided in the center contact portion or the right contact portion. Further, by screwing a right nut to the right shaft, the right contact shaft is provided so as to be rotatable about the rotation shaft, and the left contact portion is fixed to the central contact portion or the left contact portion. A left shaft provided on the bearing body is inserted into a hole provided in the central contact portion or the left contact portion, and a left nut is screwed into the left shaft so that the left shaft can be rotated as a rotation shaft. It is characterized by that.

  Furthermore, the present invention is characterized in that a roller that maintains a constant distance from the oil pan is provided in each of the right contact portion, the center contact portion, and the left contact portion of the contact member.

  According to the present invention, when the upper surface of the oil pan is a convex curved surface or a concave curved surface, the right contact portion and the left contact portion provided on the left and right of the central contact portion of the contact member follow the convex curved surface or the concave curved surface. Therefore, the occurrence of a gap between the oil pan and the right contact portion and the left contact portion is suppressed, so that an oil pan cleaning device for a passenger conveyor that can prevent dust from being dropped on the oil pan is obtained.

  Hereinafter, an oil pan cleaning device for passenger conveyors according to an embodiment of the present invention will be described in detail with reference to FIGS.

  As shown in FIGS. 1 and 2, a passenger conveyor oil pan cleaning device 1 according to an embodiment of the present invention includes a metal connecting member 3 connected to a mounting shaft 2 of a passenger conveyor step, and the connecting member 3. And at least a metal contact member 5 that contacts an oil pan (oil receiving plate) 4 disposed below the return side of the step of the passenger conveyor, and travels the step of the passenger conveyor. The contact member 5 slides on the oil pan 4 to sweep up dust on the oil pan 4.

  As shown in FIGS. 1 and 3, the contact member 5 includes a central contact portion 5A supported by the connecting member 3, a right contact portion 5B extending to the right side of the central contact portion 5A, and a central contact portion 5A. The left contact portion 5C extending to the left is divided into three parts, and the right contact portion 5B and the left contact portion 5C are rotated to the center contact portion 5A so as to rotate up and down in accordance with the shape of the upper surface of the oil pan 4. It is configured to be movable.

  As shown in FIGS. 1 and 3, the right bearing body 6 is fixed to the right contact section 5 </ b> B on the central contact section 5 </ b> A side, and the right shaft 7 is provided on the right bearing body 6. As shown in FIGS. 1 and 3, the left bearing body 8 is fixed to the left contact section 5 </ b> C side of the left contact section 5 </ b> A, and a left shaft 9 is provided on the left bearing body 8. The right contact portion 5B is formed by inserting the right shaft 7 into a hole (not shown) provided on the right end surface side of the center contact portion 5A and screwing the right nut 10 into the right shaft 7 so that the right shaft 7 is The rotary shaft is provided so as to be rotatable. The left contact portion 5C is formed by inserting the left shaft 9 into a hole (not shown) provided on the left end surface side of the central contact portion 5A and screwing the left nut 11 into the left shaft 9 so that the left shaft 9 is The rotary shaft is provided so as to be rotatable.

  The oil pan 4 is made of a 1.6 mm steel plate, and when welded to the main body frames 12 and 12A, the whole is curved in a convex shape, and as shown in FIG. 4, the upper surface of the oil pan 4 is a convex curved surface 4A. Or the whole is curved in a concave shape, and the upper surface of the oil pan 4 becomes a concave curved surface 4B as shown in FIG.

  A case where the convex curved surface 4A or the concave curved surface 4B of the oil pan 4 is cleaned by the oil pan cleaning device 1 for passenger conveyor according to the embodiment will be described with reference to FIGS.

  In the state where the convex curved surface 4A of the oil pan 4 is being cleaned by the passenger conveyor oil pan cleaning device 1, the right contact portion 5B of the contact member 5 is lowered with the right shaft 7 as the rotation axis as shown in FIG. It turns to the side (clockwise), and the right contact portion 5B is in a state along the convex curved surface 4A of the oil pan 4. As a result, the occurrence of a gap between the right contact portion 5B of the contact member 5 and the oil pan 4 is suppressed. Further, the left contact portion 5 </ b> C of the contact member 5 rotates downward (counterclockwise) about the left shaft 9 as a rotation axis, and the left contact portion 5 </ b> C is in a state along the convex curved surface 4 </ b> A of the oil pan 4. As a result, the occurrence of a gap between the left contact portion 5C of the contact member 5 and the oil pan 4 is suppressed.

  Furthermore, in the state where the concave curved surface 4B of the oil pan 4 is being cleaned by the passenger conveyor oil pan cleaning device 1, as shown in FIG. 7, the right contact portion 5B of the contact member 5 has the right shaft 7 as the rotation axis. And the right contact portion 5B is in a state along the concave curved surface 4B of the oil pan 4. As a result, the occurrence of a gap between the right contact portion 5B of the contact member 5 and the oil pan 4 is suppressed. Further, the left contact portion 5 </ b> C of the contact member 5 rotates upward (clockwise) about the left shaft 9 as a rotation axis, and the left contact portion 5 </ b> C is in a state along the concave curved surface 4 </ b> B of the oil pan 4. As a result, the occurrence of a gap between the left contact portion 5C of the contact member 5 and the oil pan 4 is suppressed.

  As described above, according to the oil pan cleaning device 1 for a passenger conveyor according to one embodiment of the present invention, when the upper surface of the oil pan 4 is the convex curved surface 4A or the concave curved surface 4B, the central contact portion of the contact member 5 is provided. The right contact portion 5B and the left contact portion 5C provided on the left and right sides of 5A rotate following the convex curved surface 4A or the concave curved surface 4B, and the distance between the oil pan 4 and the right contact portion 5B and the left contact portion 5C. Therefore, it is possible to suppress the dust from being dropped on the oil pan 4.

  8 and 9 show an oil pan cleaning device for a passenger conveyor according to another embodiment of the present invention. 8 and 9, the same reference numerals as those in FIGS. 1 to 7 represent the same contents.

  The oil pan cleaning apparatus 100 for passenger conveyors according to another embodiment of the present invention shown in FIGS. 8 and 9 and the oil pan cleaning apparatus 1 for passenger conveyors according to one embodiment of the present invention shown in FIGS. The former is provided with a roller 101 that maintains a constant distance from the oil pan 4 in each of the central contact portion 5A, the right contact portion 5B, and the left contact portion 5C of the contact member 5, whereas the latter Is different only in that the roller 101 is not provided, and is completely the same in other points. In the oil pan cleaning device 100 for passenger conveyors according to another embodiment of the present invention, as shown in FIG. 8, 2 lower portions of the central contact portion 5A, a lower portion of the right contact portion 5B, and a lower portion of the left contact portion 5C. The individual rollers 101 are provided symmetrically.

  According to the passenger pan oil pan cleaning device 100 of the other embodiment, the center contact portion 5A, the right contact portion 5B, and the left contact portion 5C of the contact member 5 are moved more smoothly on the oil pan 4 by the roller 101. As a result, cleaning workability is improved.

  In the said embodiment, although the passenger conveyor is made into the escalator, it is not limited to this. The oil pan cleaning device 1 for passenger conveyors of the present invention can also be applied to cleaning oil pans such as moving walkways.

  In the above embodiment, the right bearing body 6 provided with the right shaft 7 is provided in the right contact portion 5B, and a hole into which the right shaft 7 is inserted is provided in the central contact portion 5A, and the left shaft 9 is provided. Although the left bearing body 8 is provided in the left contact portion 5C and the hole into which the left shaft 9 is inserted is provided in the central contact portion 5A, it is not limited to this. A right bearing body 6 provided with a right shaft 7 is provided in the central contact portion 5A, and a hole into which the right shaft 7 is inserted is provided in the right contact portion 5B, and a left bearing body 8 provided with a left shaft 9 is provided. May be provided in the central contact portion 5A, and a hole into which the left shaft 9 is inserted may be provided in the left contact portion 5C.

It is a principal part front view which shows the state which attached the oil pan cleaning apparatus for passenger conveyors concerning one Embodiment of this invention to the attachment axis | shaft of the step of a passenger conveyor. It is a side view of FIG. FIG. 2 is a top view of FIG. 1. It is a figure which shows the state which the whole oil pan which concerns on one Embodiment of this invention curved in convex shape. It is a figure which shows the state which the whole oil pan which concerns on one Embodiment of this invention curved in concave shape. It is a figure which shows the state which the oil pan cleaning apparatus for passenger conveyors which concerns on one Embodiment of this invention is moving on the convex curve of an oil pan. It is a figure which shows the state which the oil pan cleaning apparatus for passenger conveyors which concerns on one Embodiment of this invention is moving on the concave curved surface of an oil pan. It is a principal part front view which shows the state which attached the oil pan cleaning apparatus for passenger conveyors which concerns on other embodiment of this invention to the attachment axis | shaft of the step of a passenger conveyor. It is a principal enlarged side view of FIG. It is a whole block diagram of a passenger conveyor showing a conventional example. It is a principal part enlarged top view of a pair of right and left step chains of a passenger conveyor, showing a conventional example. It is explanatory drawing of the state which is cleaning the convex curved surface of an oil pan with the conventional oil pan cleaning apparatus for passenger conveyors. It is explanatory drawing of the state which is cleaning the concave curved surface of an oil pan with the conventional oil pan cleaning apparatus for passenger conveyors.

Explanation of symbols

1 Oil pan cleaning device for passenger conveyor (one embodiment)
2 Mounting shaft 3 Connecting member 4 Oil pan 5 Contact member 5A Center contact portion 5B Right contact portion 5C Left contact portion 6 Right bearing body 7 Right shaft 8 Left bearing body 9 Left shaft 10 Right nut 11 Left nut 12, 12A Main body frame 100 Oil pan cleaning device for passenger conveyor (other embodiment)
101 roller

Claims (3)

A travel member that is connected to a mounting shaft of a footboard of a passenger conveyor, and a contact member that is supported by the connection member and contacts an oil pan disposed below the return side of the footboard, and travels on the footboard In the oil pan cleaning device for passenger conveyors, the contact member slides on the oil pan and sweeps up dust on the oil pan.
The contact member is divided into three parts: a center contact part supported by the connecting member, a right contact part extending to the right side of the center contact part, and a left contact part extending to the left side of the center contact part. And an oil pan for a passenger conveyor, wherein the right contact portion and the left contact portion are rotatably provided at the central contact portion so as to be turned up and down in accordance with the shape of the upper surface of the oil pan. Cleaning device.   The right contact portion is configured such that a right shaft provided on a right bearing body fixed to the center contact portion or the right contact portion is inserted into a hole provided in the center contact portion or the right contact portion, By screwing a right nut, the right shaft is provided to be rotatable about a rotation axis, and the left contact portion is provided on the left bearing body fixed to the central contact portion or the left contact portion. A shaft is inserted into a hole provided in the central contact portion or the left contact portion, and a left nut is screwed into the left shaft so that the left shaft can be rotated as a rotation shaft. The oil pan cleaning apparatus for passenger conveyors according to claim 1. The passenger according to claim 1 or 2, wherein a roller that maintains a constant distance from the oil pan is provided in each of the right contact portion, the center contact portion, and the left contact portion of the contact member. Oil pan cleaning device for conveyors.

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