JPH08268677A - Oil pan cleaning device for passenger conveyer - Google Patents

Abstract

PURPOSE: To provide an oil pan cleaning device for a passenger conveyer wherein cleaning an oil pan can be effectively performed also to perform smooth transportation and setting up. CONSTITUTION: A device comprises a main unit case 13 mounted in a front wheel shaft 6 of a footstep to partly form a dust collecting chamber 12, body of equipment 17 provided downward this main unit case 13, body of equipment 18 arranged before this body of equipment 17 further to protrude sideward from the body of equipment 17, etc. The cleaning device 11 is associated by moving the footstep, to scrap off foreign matter, sticking to a side part in a width direction of an oil pan 3, by the body of equipment 18 or the like received to the body of equipment 17, so as to scrape off foreign matter, sticking to a central part in a width direction, by this body of equipment 17 sucked into the dust collecting chamber 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger conveyor oil pan cleaning device for cleaning an oil pan extending below a step of a passenger conveyor.

[0002]

2. Description of the Related Art Conventionally, as disclosed in, for example, Japanese Patent Application Laid-Open No. 56-3274, an oil pan cleaning device for a passenger conveyor provided with a rubber member slidably contacting an oil pan extending below a step. Is proposed. Further, for example, as described in Japanese Patent Laid-Open No. 338096/1992,
A cleaning step that is detachably attached to the front wheel shaft of the step,
There has been proposed an oil pan cleaning device for a passenger conveyor that is equipped with an oil pan that is built in the cleaning step and extends below the step, and an electric vacuum cleaner that sucks dust through a suction port that faces the step.

[0003]

By the way, in the above-mentioned conventional technique disclosed in Japanese Patent Laid-Open No. 56-3274, although the dust on the oil pan can be collected by the rubber member, When the rubber member slides on the oil pan, light dust such as cotton dust accumulated on the oil pan flies up and scatters around, and then accumulates again on the oil pan, so the above dust cannot be removed. There was a problem.

On the other hand, in the one disclosed in Japanese Patent Laid-Open No. 4-338096, foreign matter accumulated on the oil pan can be removed by suction of the vacuum cleaner, but the suction power of the vacuum cleaner is limited. Therefore, there is a problem that it is impossible to remove the foreign matter adhering to the surface of the oil pan and the foreign matter located on the side of the suction port of the electric vacuum cleaner.

The present invention has been made in view of the circumstances in the prior art as described above, and a first object of the present invention is to remove both light dust such as cotton dust accumulated on an oil pan and attached foreign matter. An object of the present invention is to provide an oil pan cleaning device for a passenger conveyor.

A second object of the present invention is to provide an oil pan cleaning device for a passenger conveyor which can clean not only the widthwise central portion of the oil pan but also the widthwise side portion. .

A third object of the present invention is to provide an oil pan cleaning device for a passenger conveyor which can be easily handled during transportation or installation.

[0008]

In order to achieve this first object, the invention according to claim 1 of the present invention relates to an oil pan which is interlocked with a plurality of steps and extends below the steps. In an oil pan cleaning device for a passenger conveyor that performs cleaning, a main body case that is interposed between a pair of guide rails that guide the steps and partially forms a dust collection chamber, and this main case is used as a front wheel shaft of the steps. A detachable attachment means, a scraper attached to the lower portion of the main body case and slidingly contacting the oil pan, and an electric suction means for sucking foreign matter on the oil pan to the dust collecting chamber, When interlocking with the steps, the scraper scrapes off foreign matter adhering to the oil pan, and the foreign matter is sucked by the electric suction means and accumulated in the dust collecting chamber.

Further, in order to achieve the second object, according to the invention described in claim 2 of the present invention, in addition to the above-mentioned constitution, a scraper is provided below the main body case, and the scraper is arranged in the width direction of the oil pan. A first housing that extends and a second housing that is arranged in front of the first housing and projects laterally from the first housing.
The first casing is formed on the front end side in the moving direction, receives the foreign matter, and is formed on the rear end side in the moving direction, and the dust collecting port of the electric suction means is connected to the first casing. A second housing having a discharge port, the second housing being formed at the front end side in the moving direction, for receiving the foreign matter, and the discharge port for discharging the foreign matter toward the central portion in the width direction of the oil pan. When the second housing is located in front of the moving direction and is interlocked with the step, foreign matter adhering to the widthwise side portion of the oil pan is scraped off, and the second housing is located rearward of the moving direction. The first housing is configured to scrape off other foreign matter attached to the center portion of the oil pan in the width direction.

Further, in order to achieve the third object, in the invention according to claim 3 of the present invention, in addition to the above configuration, the second housing can be housed inside the side end of the main body case. The oil pan cleaning device for a passenger conveyor according to claim 1, wherein the oil pan cleaning device is provided.

[0011]

Since the invention according to claim 1 of the present invention is configured as described above, the scraper mounted on the lower portion of the main body case slides on the oil pan when it is interlocked with the steps, so that the scraper is mounted on the oil pan. The adhered foreign matter can be scraped off, that is, the foreign matter can be removed from the oil pan, and at the same time, light dust such as cotton dust accumulated on the oil pan by the suction of the electric suction means can be removed.

Further, according to the second aspect of the invention, as described above, when interlocking with the steps, the second casing located in front of the moving direction adheres to the lateral side of the oil pan. After the foreign matter is scraped off and received through the receiving port on the front end side and is discharged from the discharge port toward the central portion in the width direction of the oil pan, the discharged foreign matter is located at the rear of the moving direction. While accepting the foreign matter from the first housing through the receiving opening, other foreign matter adhered to the widthwise center of the oil pan is scraped off by the first housing, and these foreign matter are discharged from the first housing through the discharge opening. Through the electric suction means. As a result, not only the widthwise central portion of the oil pan but also the widthwise side portion can be cleaned.

Further, according to the third aspect of the present invention, since it is configured as described above, the oil pan is cleaned over a wide range in the width direction with the second casing protruding laterally from the main body case. After that, when transporting or installing the oil pan cleaning device, by accommodating the second casing inside the side edge of the main body case, a person or an object accidentally collides with the second casing. Therefore, it is possible to obtain an oil pan cleaning device that can be easily handled during transportation or installation, since it does not get in the way.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an oil pan cleaning device for a passenger conveyor of the present invention will be described below with reference to the drawings. FIG. 1 shows claims 1 and 2 of an oil pan cleaning device for a passenger conveyor according to the present invention.
3 is a side view showing an embodiment including the invention described in FIG. 3, FIG. 2 is a perspective view of the oil pan cleaning device of FIG. 1 seen obliquely from the front, and FIG. 3 is a vertical cross-sectional view of the oil pan cleaning device of FIG. 4 is shown in FIG.
FIG. 5 is a view of the oil pan cleaning device from below, and FIG. 5 is a flowchart showing a work procedure when the oil pan cleaning is performed by the oil pan cleaning device of FIG.

The passenger conveyor 1 shown in FIG. 1 has a plurality of steps 2 connected endlessly. These steps 2
Is moved up and down from the lower machine room (not shown) to the upper machine room 1a with its surface facing upward, and then is turned upside down by rotating in the upper machine room 1a clockwise in FIG. The upper machine room 1a is moved downwardly in the return path from the upper machine room 1a to the lower machine room, and is turned upside down again in the lower machine room. An oil pan 3 is provided below the step 2 to receive foreign substances falling from the step 2. In the upper machine room 1a, the electric motor 4
And a gear 5 driven by the electric motor 4, and a chain 7 connected to the front wheel shaft 6 of the step 2 is wound around the gear 5. A pair of front wheels 8 are rotatably provided at both ends of the front wheel shaft 6, and the pair of front wheels 8 roll on a pair of guide rails 9.

The oil pan cleaning device 1 of this embodiment
1 is a pair of guide rails 9 as shown in FIGS.
A metal main body case 13 which is interposed therebetween and partially forms the dust collecting chamber 12, and an attaching means for detachably attaching the main body case 13 to the front wheel shaft 6 of the step 2, for example, an inverted U-shape. Pair of locking bodies 14 and a scraper 15 mounted on the lower portion of the main body case 13 and slidably contacting the oil pan 3.
And electric suction means for sucking the foreign matter on the oil pan 3 and guiding it to the dust collecting chamber 12, for example, a blower 16. In the oil pan cleaning device 11, when the height of the oil pan 3 and the guide rail 9 is changed when interlocking with the steps 2, the locking body 14 for mounting the main body case 13 is attached to the front wheel shaft 6. The oil pan cleaning device 11 moves up and down by its own weight.

The scraper 15 described above is provided below the main body case 13 as shown in FIG.
A first casing 17 extending in the width direction of the casing, and the casing 17
It is composed of second casings 18 and 19 which are arranged further forward in the moving direction and which project to the left and right sides from the first casing 17, respectively. In the first housing 17 described above, as shown in FIG. 3, the lower edge portion 21 on the front end side in the moving direction is in sliding contact with the oil pan 3, and on the lower edge portion 21 is a receiving port 22 for receiving foreign matter. Are formed. This first housing 1
The rear end side of the oil pan 3 is gradually inclined rearward from both sides in the width direction of the oil pan 3 toward the central part, that is, formed in a taper shape, and the central part of the rear end has flexible dust collection. A discharge port 24 to which the hose 23 is connected is provided.

The above-mentioned second housing 18 is the main body case 1.
It is provided so as to be able to be stored inside the side end of the oil pan 3, and the rear end side is gradually inclined rearward from the side part in the width direction of the oil pan 3 toward the central part, that is, is formed in a taper shape. In the second housing 18, the lower edge portion 25 on the front end side in the moving direction is in sliding contact with the oil pan 3, and a receiving port 26 for receiving foreign matter is formed on the lower edge portion 25, and a side portion is provided.
A discharge port 27 is formed to discharge foreign matter toward the center of the oil pan 3 in the width direction. Further, the other second housings 19 are also configured in the same manner, and these second housings 1
8 and 19 are symmetric with respect to the center line of the oil pan 3 in the width direction.

As shown in FIG. 3, the above-mentioned main body case 13 is provided with a partition wall 28 at the center thereof, the blower 16 is attached to this partition wall 28, and the partition wall 28 separates the dust collecting chamber 12 from the exhaust chamber 29. Has been done. At the bottom of the dust collection chamber 12, the dust collection port 3 to which the dust collection hose 23 is connected.
No. 0 is provided, and a dust collecting pipe 31 is erected on the dust collecting port 30, and a bag-like filter (disposable paper bag for catching foreign matters such as dust) is provided on the upper end of the dust collecting pipe 31 ( (Not shown) is detachably attached.
On the rear end side of the dust collection chamber 12, that is, on the rear end side of the main body case 13, an opening 32 and a lid body 3 for opening and closing the opening 32.
3 are provided, and the opening 33 is provided with the lid 33 opened.
The bag-shaped filter in the dust collection chamber 12 is replaced via the filter 2. The exhaust air from the blower 16 is discharged to the dust collection chamber 12, and then is exhausted to the outside from the exhaust port 34 in the upper part of the dust collection chamber 12.

Further, as shown in FIG. 4, four casters 35 rolling on the oil pan 3 are attached to predetermined positions on the lower surface of the main body case 13, and the casters 35 support the own weight of the cleaning device 11. Has been. Body case 13
A pair of support plates 36 that support the first housing 17 project downward from the vicinity of the rear end angle of the lower surface, and two sets of the two housings 18 and 19 that support the second housings 18 and 19 from the front positions of the pair of support plates 36, respectively. The support plates 37 and 38 project downward. Both sides of the first housing 17 are connected to the pair of support plates 36 via links 39, and the other support plates 37 and 38 are also connected to the second housings 18 and 1 via links 40 and 41, respectively.
The rear ends of 9 are connected. As a result, the first housing 17 can move up and down with the main body case 13 always kept at a constant angle, and the second housings 18 and 19 are the same. Further, handles (not shown) are provided on both sides of the main body case 13, and push button switches (not shown) for performing on / off operations of the blower 16 are provided on the upper portion of the main body case 13.

In this embodiment, the oil pan 3 is cleaned according to the work procedure shown in FIG. That is, first, as step S1, the upper machine room 1a
After disposing a cover plate 1b covering the upper machine room 1a around a safety fence (not shown) around the above, two adjacent steps 2 in the upper machine room 1a are respectively removed from the front wheel shaft 6. Then, in step S2, by driving the electric motor 4,
The front wheel shaft 6 of the portion where the step 2 is removed is moved so as to be located on the oil pan 3, and the oil pan cleaning device 11 is lowered into the upper machine chamber 1a in step S3, and then the oil pan cleaning device 11 is guided. The oil pan cleaning device 11 is provided between the rails 9 and is attached to the front wheel shaft 6 of the portion removed in step S1 via the locking body 14.

Then, in step S4, the power line 42 of the blower 16 is connected to the outlet 43 in the upper machine room 1a,
In step S5, the blower 16 is actuated by turning on a push button switch (not shown), and the air in the first housing 17 is discharged together with foreign matter such as dust from the exhaust port 24-dust collecting hose 23-.
The dust is sucked into the dust collecting chamber 12 through the dust collecting port 30, the dust collecting pipe 31, and the bag-shaped filter (not shown). At the same time, when the step 2 is moved from the upper machine room 1a side to the lower machine room side by restarting the electric motor 4, the oil pan cleaning device 11 moves diagonally to the lower left in FIG. 1, and the first housing 17 and the second housing 17
The casings 18 and 19 of the above slide on the oil pan 3. At this time, the second housing 18 slides on the side portion in the width direction on the oil pan 3, and the foreign matter adhering to this side portion is scraped off by the lower edge portion 25, so this foreign matter passes through the receiving port 26. After being received in the second casing 18, the rear end side of the second casing 18 is inclined rearward from the side portion toward the central portion, so that the foreign matter is moved from the side portion to the central portion. Outlet 2
7 is discharged toward the central part, and the other second housing 19
Is also the same. Then, this second housing 18,
The foreign matter discharged from 19 is received by the first housing 17 at the receiving port 22.
Other foreign matter attached to the center portion of the oil pan 3 in the width direction is also scraped off by the lower edge portion 21 through the receiving opening 22 and the first housing 1 is also received.
After being received in 7, the central portion of the rear end side of the first housing 17 projects rearward, so that the foreign matter is collected in the central portion and sucked by the blower 16 through the discharge port 24. .

In this way, the step 2 is moved from the upper machine room 1a side to the lower machine room side, and the oil pan cleaning apparatus 1 is moved.
After the oil pan 3 is cleaned by 1, the electric motor 4 is stopped and the push button switch of the oil pan cleaning device 11 is turned off in the lower machine room as a step S5 to turn off the power line 4.
After removing 2 and winding in the upper machine room 1a, the oil pan cleaning device 11 is taken out from the lower machine room, the lid 33 is opened, and the bag-like filter is taken out from the dust collecting room 12 and discarded.
Next, in step S6, the portion removed in step S1 is moved to the upper machine room 1a by restarting the electric motor 4, and then in step S7, the part removed in step S1 is removed 2
The individual steps 2 are attached again, the cover plate 1b is attached to the upper machine room 1a, and finally a safety fence (not shown) is removed from the periphery of the upper machine room 1a to complete the series of operations.

In the embodiment thus constructed, when interlocking with the steps 2, the foreign matter adhering to the oil pan 3 is scraped off by the first casing 17 and the second casings 18 and 19 under the main body case 13. The oil pan 3 can be removed from the top and the oil pan 3 is sucked by the blower 16.
It can also remove light dust such as cotton dust accumulated on it.

Further, in this embodiment, the foreign matters accumulated or attached to the lateral side portions of the oil pan 3 are removed by the second casings 18 and 19, and the central portion of the oil pan 3 in the width direction is removed. Other foreign substances that have accumulated or adhered are removed by the first casing 17, and these foreign substances are removed by the first casing 17.
Since it is collected inside and sucked by the blower 16, not only the widthwise central portion of the oil pan 3 but also the widthwise side portion can be cleaned.

Further, in this embodiment, when the oil pan cleaning device 11 is transported or installed, the second casing 1 is used.
By storing 8 and 19 inside the side edges of the main body case 13, it is possible to prevent people and objects from colliding with these housings 18 and 19 or to prevent the housings 18 and 19 from interfering. And can be easily handled during installation.

[0027]

Since the present invention is configured as described above, the invention according to claim 1 can remove both light dust such as cotton dust accumulated on the oil pan and attached foreign matter. .

According to the second aspect of the invention, not only can the central portion of the oil pan in the width direction be cleaned by the first housing, but also the side portion of the oil pan in the width direction can be cleaned by the second housing. be able to.

According to the third aspect of the present invention, when the second casing is housed inside the side end of the main body case during transportation or installation, a person or an object collides with the second casing. Since the second housing does not interfere with the operation, it can be easily handled during transportation or installation.

Therefore, according to the present invention, there is an effect that the oil pan can be effectively cleaned and that the oil pan can be transported and installed smoothly.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment including the invention according to claims 1, 2 and 3 of an oil pan cleaning device for a passenger conveyor of the present invention.

FIG. 2 is a perspective view of the oil pan cleaning device of FIG. 1 as seen obliquely from the front.

FIG. 3 is a vertical sectional view of the oil pan cleaning device of FIG.

FIG. 4 is a view of the oil pan cleaning device of FIG. 1 viewed from below.

5 is a flow chart showing a work procedure when the oil pan is cleaned by the oil pan cleaning device of FIG. 1. FIG.

[Explanation of symbols]

 2 Steps 3 Oil pan 6 Front wheel shaft 11 Cleaning device 12 Dust collection chamber 13 Main body case 14 Locking body (attachment means) 15 Scraper 16 Blower (electric suction means) 17 First casing 18, 19 Second casing

Claims (3)

[Claims] 1. An oil pan cleaning device for a passenger conveyor, which interlocks with a plurality of steps to clean an oil pan extending below the steps, and is provided between a pair of guide rails for guiding the steps. ,
A main body case, a part of which forms a dust collection chamber, and a mounting means for detachably mounting the main body case on the front wheel shaft of the step,
The scraper is attached to a lower portion of the main body case and is in sliding contact with the oil pan; and an electric suction unit that sucks foreign matter on the oil pan and guides it to the dust collecting chamber. An oil pan cleaning device for a passenger conveyor, characterized in that the foreign matter adhering to the oil pan is scraped off, and the foreign matter is sucked by the electric suction means and accumulated in the dust collecting chamber. 2. A first casing provided with a scraper below the main body case and extending in the width direction of the oil pan,
The second housing is arranged in front of the first housing and projects laterally from the first housing. The first housing is formed on the front end side in the moving direction and receives the foreign matter. It has an inlet and a discharge port formed on the rear end side in the moving direction and to which the dust collecting port of the electric suction means is connected. The second housing is formed on the front end side in the moving direction and receives foreign matter. The second housing, which has a receiving port and a discharging port for discharging foreign matter toward a central portion in the width direction of the oil pan, and which is located in front of the moving direction when interlocking with the step, causes the oil It is possible to scrape off foreign matter adhering to the widthwise side portion of the pan and scrape off other foreign matter adhering to the widthwise center portion of the oil pan by the first casing located rearward in the moving direction. An oil pan for a passenger conveyor according to claim 1, characterized in that Cleaning device. 3. The oil pan cleaning device for a passenger conveyor according to claim 2, wherein the second housing is provided so as to be able to be housed inside a side end of the main body case.