JP6820797B2 - Door rail bottom cleaning device - Google Patents

Description

The present invention relates to a door rail lower surface cleaning device for cleaning the lower surface of the door rail.

Conventionally, a scraping portion capable of contacting the upper surface on which the hanger roller rolls on the door rail, a main body portion having one end connected to the scraping portion, and the other end portion of the main body portion are connected and gripped by an operator. A door rail top surface cleaning device provided with a handle portion is known. The operator takes the door rail upper surface cleaning device into the elevator car, and with the scraped part in contact with the upper surface of the door rail, moves the scraped part toward the frontage to reach the upper surface of the door rail. Remove the adhering foreign matter (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2015-168558

However, when foreign matter adheres to the lower surface of the door rail facing the up thrust roller, the up thrust roller hits the foreign matter, which causes a problem that the opening / closing operation of the elevator door device malfunctions.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a door rail lower surface cleaning device capable of removing foreign matter adhering to the lower surface of a door rail.

Door rail lower surface cleaning apparatus according to the present invention, a support member provided on the door hanger, supported by the supporting member, by the door hanger is moved along the door rail, and a cleaning device for cleaning the bottom surface of door rail, cleaning The device has a pair of cleaning device main bodies that sandwich the up thrust roller provided on the door hanger in the frontage direction, and in the pair of cleaning device main bodies, the cleaning device main body on the front side in the moving direction contacts the lower surface of the door rail. Further, it is provided with a displacement device for separating the cleaning device main body on the rear side in the moving direction from the lower surface of the door rail .
The door rail lower surface cleaning device according to the present invention includes a support member provided on the door hanger, a cleaning device supported by the support member, and the door hanger moving along the door rail to clean the lower surface of the door rail. A displacement device that displaces the cleaning device between the contact position that contacts the lower surface of the door rail and the distance position where the cleaning device separates from the lower surface of the door rail, a control device that controls the drive of the displacement device, and an up provided on the door hanger. A rotation detection device for detecting the rotation of the thrust roller is provided, and the control device controls the drive of the displacement device based on the detection result of the rotation detection device.

According to the door rail lower surface cleaning device according to the present invention, since the cleaning device cleans the lower surface of the door rail by moving the door hanger along the door rail, foreign matter adhering to the lower surface of the door rail can be removed.

It is a block diagram which shows the elevator door device to which the door rail lower surface cleaning device which concerns on Embodiment 1 of this invention is attached. It is an enlarged view which shows the door rail lower surface cleaning device of FIG. It is a block diagram which shows the main part of the door rail lower surface cleaning device which concerns on Embodiment 2 of this invention. It is a block diagram which shows the main part of the door rail lower surface cleaning device which concerns on Embodiment 3 of this invention. It is a block diagram which shows the main part of the door rail lower surface cleaning device which concerns on Embodiment 4 of this invention. It is a block diagram which shows the door rail lower surface cleaning device of FIG. It is a block diagram which shows the main part of the door rail lower surface cleaning device which concerns on Embodiment 5 of this invention. It is a block diagram which shows the door rail lower surface cleaning device of FIG.

Embodiment 1.
FIG. 1 is a configuration diagram showing an elevator door device to which the door rail lower surface cleaning device according to the first embodiment of the present invention is attached. The elevator door device 1 includes a door body 11 that opens and closes an elevator doorway, a door hanger 12 fixed to the upper part of the door body 11, and a pair of hanger rollers 13 rotatably supported by the door hanger 12. .. Further, the elevator door device 1 includes a door rail 14 extending in the frontage direction A of the elevator entrance / exit, and a pair of up thrust rollers 15 rotatably supported by the door hanger 12 corresponding to each hanger roller 13. It has. Examples of the elevator door device 1 include a car door device that opens and closes a car doorway (not shown) and a landing door device that opens and closes a landing doorway (not shown).

The pair of hanger rollers 13 are arranged at both ends of the door hanger 12 in the frontage direction. Further, the pair of hanger rollers 13 are mounted on the upper surface of the door rail 14. Further, the pair of hanger rollers 13 roll on the upper surface of the door rail 14 when the door hanger 12 moves in the frontage direction A.

The pair of up thrust rollers 15 are arranged at both ends in the frontage direction of the door hanger 12. Further, the pair of up thrust rollers 15 are arranged so that the door rail 14 is sandwiched between the hanger roller 13 and the up thrust roller 15. In other words, the pair of up thrust rollers 15 are arranged so as to face the lower surface of the door rail 14. Further, the pair of up thrust rollers 15 are arranged so that the dimension between the up thrust roller 15 and the lower surface of the door rail 14 becomes a preset value. The rotation center line of the hanger roller 13 and the rotation center line of the up thrust roller 15 are arranged in parallel with each other and extend in the depth direction of the elevator entrance / exit.

The door rail lower surface cleaning device 2A includes a support member 21 attached to the door hanger 12, a cleaning device 22 supported by the support member 21 for cleaning the lower surface of the door rail 14, and a foreign matter accommodating device 23 supported by the support member 21. I have. In this example, the door rail lower surface cleaning device 2A is attached to each of both ends in the frontage direction of one door hanger 12. The number of door rail lower surface cleaning devices 2A attached is not limited to two, and may be any other number.

FIG. 2 is an enlarged view showing the door rail lower surface cleaning device 2A of FIG. The support member 21 has a rod-shaped support member main body 211 having one end fixed to the door hanger 12 and a cleaning device 22 and a foreign matter accommodating device 23 mounted on the other end, and a door hanger at one end of the support member main body 211. It has a fastening member 212 for fixing to 12. Examples of the fastening member 212 include screws and bolts. The fastening member 212 is arranged so as to extend parallel to the rotation center line of the up thrust roller 15. The support member main body 211 is rotatable with respect to the door hanger 12 around one end of the support member main body 211 when one end of the support member main body 211 is not fixed to the door hanger 12 by the fastening member 212. It has become.

The cleaning device 22 is formed in a Y shape. Specifically, the cleaning device 22 has a base portion 221 standing on the support member 21, and a pair of cleaning device main bodies 222 supported by the base portion 221 and branched from the upper end portion of the base portion 221 in the frontage direction A. There is. The cleaning device main body 222 is composed of a scraper. The cleaning device main body 222 is not limited to the scraper, and may be composed of other members capable of removing foreign matter 3 adhering to the lower surface of the door rail 14.

In this example, among the pair of cleaning device main bodies 222, the cleaning device main body 222 on the side closer to the up thrust roller 15 is the first cleaning device main body 222a, and the cleaning device main body 222 on the side far from the up thrust roller 15 is the second. The cleaning device main body 222b. The first cleaning device main body 222a is inclined with respect to the horizontal plane so as to extend inward in the frontage direction as the base portion 221 approaches the door rail 14. On the other hand, the second cleaning device main body 222b is inclined with respect to the horizontal plane so as to extend outward in the frontage direction as the base portion 221 approaches the door rail 14.

In this example, the inside in the frontage direction is the side closer to the center of the door hanger 12 in the frontage direction, and the outside in the frontage direction is the side far from the center of the door hanger 12 in the frontage direction.

The cleaning device 22 is arranged so that the dimension between the cleaning device main body 222 and the door rail 14 becomes a preset value. The dimension between the cleaning device main body 222 and the door rail 14 is smaller than the dimension between the up thrust roller 15 and the lower surface of the door rail 14. Therefore, when the foreign matter 3 adheres to the lower surface of the door rail 14, the cleaning device main body 222 scrapes the foreign matter 3 from the lower surface of the door rail 14 before the up thrust roller 15 hits the foreign matter 3. The dimension between the cleaning device main body 222 and the door rail 14 is adjusted by rotating the support member main body 211 with respect to the door hanger 12 around one end of the support member main body 211.

The cleaning device 22 may be arranged so that the cleaning device main body 222 and the door rail 14 are in contact with each other. In this case, it is desirable that the tip of the cleaning device main body 222 is made of a material that does not generate abnormal noise due to friction with the door rail 14.

The foreign matter accommodating device 23 is formed in a box shape with an open upper portion. In each figure, a cross section of the foreign matter accommodating device 23 is shown. The foreign matter accommodating device 23 is arranged below the tip end portion of the cleaning device main body 222. The foreign matter accommodating device 23 is arranged so that the foreign matter 3 dropped from the lower surface of the door rail 14 by the cleaning device 22 is accommodated inside the foreign matter accommodating device 23. Further, the foreign matter accommodating device 23 is removable from the support member 21. By removing the foreign matter accommodating device 23 from the support member 21, the operator can easily remove the foreign matter 3 contained in the foreign matter accommodating device 23 from the foreign matter accommodating device 23.

Next, a method of cleaning the lower surface of the door rail 14 using the door rail lower surface cleaning device 2A will be described. As shown in FIG. 1, when the door hanger 12 moves in the frontage direction A with the foreign matter 3 attached to the lower surface of the door rail 14, the cleaning device main body 222 scrapes the foreign matter 3 from the lower surface of the door rail 14, and the door rail 14 The foreign matter 3 scraped off from the lower surface of the cleaning device 3 falls from the door rail 14 and is housed inside the foreign matter accommodating device 23 arranged below the cleaning device main body 222. Every time the door hanger 12 moves in the frontage direction A, the lower surface of the door rail 14 is cleaned by the door rail lower surface cleaning device 2A. If the thickness direction of the foreign matter 3 adhering to the lower surface of the door rail 14 is smaller than the dimension between the cleaning device main body 222 and the door rail 14, the foreign matter 3 is not scraped from the door rail 14 by the cleaning device 22. In this case, since the up thrust roller 15 does not hit the foreign matter 3, the opening / closing operation failure of the elevator door device 1 does not occur.

As described above, according to the door rail lower surface cleaning device 2A according to the first embodiment of the present invention, the support member 21 provided on the door hanger 12 and the door hanger 12 move along the door rail 14, thereby causing the door rail. Since the cleaning device 22 for cleaning the lower surface of the door rail 14 is provided, the foreign matter 3 adhering to the lower surface of the door rail 14 can be removed by moving the door hanger 12 along the door rail 14.

Further, since the door rail lower surface cleaning device 2A includes a foreign matter accommodating device 23 for accommodating the foreign matter 3 dropped from the lower surface of the door rail 14 by the cleaning device 22, the foreign matter 3 dropped from the door rail 14 is the elevator door device 1 and the pit. It is possible to prevent it from adhering to such things.

Further, since the cleaning device 22 cleans the lower surface of the portion of the door rail 14 arranged outside the up thrust roller 15 in the frontage direction, it adheres to the lower surface of the door rail 14 when the door hanger 12 moves in the frontage direction. The foreign matter 3 is removed by the cleaning device 22 before the up thrust roller 15 comes into contact with the foreign matter 3. As a result, it is possible to prevent the foreign matter 3 from being caught between the up thrust roller 15 and the door rail 14.

Further, since the size of the cleaning device 22 between the cleaning device 22 and the lower surface of the door rail 14 can be adjusted, the cleaning device 22 is brought closer to the lower surface of the door rail 14 only when cleaning the lower surface of the door rail 14. When the lower surface of the door rail 14 is not cleaned, the cleaning device 22 can be kept away from the door rail 14 to prevent the cleaning device 22 from coming into contact with the door rail 14.

In the first embodiment, the dimensions between the cleaning device main body 222 and the door rail 14 are adjusted by rotating the support member main body 211 with respect to the door hanger 12 around one end of the support member main body 211. Although the configuration is described above, the dimensions between the cleaning device main body 222 and the door rail 14 may be adjusted by adjusting the position of the support member main body 211 with respect to the door hanger 12 in the height direction. ..

Embodiment 2.
FIG. 3 is a configuration diagram showing a main part of the door rail lower surface cleaning device according to the second embodiment of the present invention. The door rail lower surface cleaning device 2B further includes a foreign matter scattering prevention device 24 provided in the cleaning device 22. The foreign matter scattering prevention device 24 is attached to the cleaning device main body 222 of the cleaning device 22. The foreign matter scattering prevention device 24 extends downward from the upper end portion of the cleaning device main body 222. The lower end of the foreign matter scattering prevention device 24 is arranged inside the foreign matter accommodating device 23. Further, the lower end portion of the foreign matter scattering prevention device 24 is arranged below the upper end portion of the foreign matter accommodating device 23. The foreign matter scattering prevention device 24 prevents the foreign matter 3 removed from the lower surface of the door rail 14 from scattering. As a result, the foreign matter 3 removed from the lower surface of the door rail 14 is more reliably housed in the foreign matter accommodating device 23. Other configurations are the same as those in the first embodiment.

As described above, according to the door rail lower surface cleaning device 2B according to the second embodiment of the present invention, the foreign matter scattering prevention device 24 for preventing the foreign matter 3 removed from the lower surface of the door rail 14 from scattering is provided. Therefore, the foreign matter 3 removed from the lower surface of the door rail 14 can be more reliably stored in the foreign matter accommodating device 23.

Embodiment 3.
FIG. 4 is a configuration diagram showing a main part of the door rail lower surface cleaning device according to the third embodiment of the present invention. In the door rail lower surface cleaning device 2C, the cleaning device 22 is rotatable with respect to the support member 21 around the lower end portion of the cleaning device 22. The rotation center line of the cleaning device 22 is arranged so as to extend in the depth direction of the elevator entrance / exit. Unlike the first embodiment, the support member 21 does not rotate with respect to the door hanger 12. The support member 21 may rotate with respect to the door hanger 12 as in the first embodiment.

The dimension between the cleaning device 22 and the door rail 14 is adjusted by rotating the cleaning device 22 with respect to the support member 21. Other configurations are the same as those of the first embodiment or the second embodiment.

As described above, according to the door rail lower surface cleaning device 2C according to the third embodiment of the present invention, the cleaning device 22 can rotate with respect to the support member 21 around the lower end portion of the cleaning device 22. Therefore, the dimension between the cleaning device 22 and the door rail 14 can be easily adjusted.

Embodiment 4.
FIG. 5 is a configuration diagram showing a main part of the door rail lower surface cleaning device according to the fourth embodiment of the present invention. In the door rail lower surface cleaning device 2D, the cleaning device 22 is rotatable with respect to the support member 21 around the lower end portion of the cleaning device 22. The rotation center line of the cleaning device 22 is arranged so as to extend in the depth direction of the elevator entrance / exit.

The cleaning device 22 has a pair of cleaning device main bodies 222. The pair of cleaning device main bodies 222 are arranged so as to sandwich the up thrust roller 15 in the frontage direction A. The cleaning device 22 is arranged so that one of the pair of cleaning device main bodies 222 comes into contact with the lower surface of the door rail 14 and the other is separated from the lower surface of the door rail 14 by rotating the cleaning device 22.

FIG. 6 is a block diagram showing the door rail lower surface cleaning device 2D of FIG. The door rail lower surface cleaning device 2D further includes a displacement device 25 that displaces the cleaning device 22, and a control device 26 that controls the drive of the displacement device 25. Information on the opening / closing operation of the elevator door device 1 is input to the control device 26 from the elevator control panel 4.

In the control device 26, the cleaning device main body 222 on the front side in the moving direction comes into contact with the lower surface of the door rail 14 in the pair of cleaning device main bodies 222 based on the information of the opening / closing operation of the elevator door device 1, and the control device 26 is rearward in the moving direction. The drive of the displacement device 25 is controlled so that the cleaning device main body 222 on the side is separated from the lower surface of the door rail 14. In other words, in the pair of cleaning device main bodies 222, the displacement device 25 brings the cleaning device main body 222 on the front side in the moving direction into contact with the lower surface of the door rail 14, and brings the cleaning device main body 222 on the rear side in the moving direction to the door rail 14. Separate from the underside of.

Examples of the displacement device 25 include a motor that rotates the cleaning device 22. Further, as the displacement device 25, an electromagnet provided in the cleaning device main body 222 can be mentioned. In this case, a current is supplied to the electromagnet, the cleaning device main body 222 contacts the lower surface of the door rail 14 using magnetic force, and the supply of the electric current to the electromagnet is stopped, so that the cleaning device main body 222 is pressed from the lower surface of the door rail 14. Leave. The displacement device 25 may be configured to displace the cleaning device 22 by using the power in the opening / closing operation of the elevator door device 1. Other configurations are the same as those of the first embodiment or the second embodiment.

As described above, according to the door rail lower surface cleaning device 2D according to the fourth embodiment of the present invention, among the pair of cleaning device main bodies 222 in the cleaning device 22, the cleaning device main body 222 on the front side in the moving direction is the door rail. Since the cleaning device main body 222, which comes into contact with the lower surface of the 14 and is located on the rear side in the moving direction, is separated from the lower surface of the door rail 14, foreign matter 3 is more reliably suppressed from being caught between the up thrust roller 15 and the door rail 14. Can be done.

Embodiment 5.
FIG. 7 is a configuration diagram showing a main part of the door rail lower surface cleaning device according to the fifth embodiment of the present invention. The door rail lower surface cleaning device 2E further includes a displacement device 25 that displaces the cleaning device 22. The displacement device 25 displaces between the contact position where the cleaning device 22 contacts the lower surface of the door rail 14 and the separation position where the cleaning device 22 separates from the lower surface of the door rail 14.

FIG. 8 is a block diagram showing the door rail lower surface cleaning device 2E of FIG. 7. The door rail lower surface cleaning device 2E further includes a control device 26 that controls the drive of the displacement device 25, and a rotation detection device 27 that detects the rotation of the up thrust roller 15. The detection result of the rotation detection device 27 is input to the control device 26.

The control device 26 controls the drive of the displacement device 25 based on the detection result of the rotation detection device 27. Specifically, the control device 26 controls the drive of the displacement device 25 so that when the rotation detection device 27 detects the rotation of the up thrust roller 15, the cleaning device 22 is displaced from the separated position to the contact position. Further, the control device 26 controls the drive of the displacement device 25 so that the position of the cleaning device 22 remains at the separated position when the rotation detection device 27 does not detect the rotation of the up thrust roller 15. Further, the control device 26 is a cleaning device 22 when the rotation detection device 27 does not detect the rotation of the up thrust roller 15 for a preset time after the cleaning device 22 is displaced from the separated position to the contact position. The position is displaced from the contact position to the separated position. Other configurations are the same as those of the first to fourth embodiments.

As described above, according to the door rail lower surface cleaning device 2E according to the fifth embodiment of the present invention, the contact position where the cleaning device 22 contacts the lower surface of the door rail 14 and the separation position where the cleaning device 22 separates from the lower surface of the door rail 14. Since the displacement device that displaces the cleaning device 22 is further provided, the cleaning device 22 can be brought into contact with the lower surface of the door rail 14 only when cleaning the lower surface of the door rail 14. As a result, when the lower surface of the door rail 14 is not cleaned, the cleaning device 22 is prevented from coming into contact with the door rail 14. As a result, when the door rail 14 is not cleaned, contact between the cleaning device 22 and the door rail 14 is suppressed, and the generation of abnormal noise due to this contact can be suppressed.

Further, the door rail lower surface cleaning device 2E includes a control device 26 for controlling the drive of the displacement device 25 and a rotation detection device 27 for detecting the rotation of the up thrust roller 15, and the control device 26 detects the rotation detection device 27. Since the drive of the displacement device 25 is controlled based on the result, the cleaning device 22 can be brought into contact with the lower surface of the door rail 14 only when the foreign matter 3 adheres to the lower surface of the door rail 14. As a result, cleaning of the door rail 14 can be stopped when the foreign matter 3 does not adhere to the lower surface of the door rail 14.

In the fifth embodiment, the configuration in which the control device 26 controls the drive of the displacement device 25 based on the detection result of the rotation detection device 27 has been described, but the present invention is not limited to this, and for example, the elevator is in the cleaning operation mode. In some cases, a cleaning signal may be input from the elevator control panel 4 to the control device 26, and the control device 26 may drive the displacement device 25 to displace the cleaning device 22 from the release position to the contact position. ..

1 Elevator door device, 2A, 2B, 2C, 2D, 2E Door rail underside cleaning device, 3 Foreign matter, 4 Elevator control panel, 11 Door body, 12 Door hanger, 13 Hanger roller, 14 Door rail, 15 Up thrust roller, 21 Support member , 22 Cleaning device, 23 Foreign matter accommodating device, 24 Foreign matter scattering prevention device, 25 Displacement device, 26 Control device, 27 Rotation detection device, 211 Support member body, 212 Fastening member, 221 base, 222 Cleaning device body, 222a First cleaning Device body 222b Second cleaning device body.

Claims (4)

Support members provided on the door hanger and
A cleaning device that is supported by the support member and that cleans the lower surface of the door rail by moving the door hanger along the door rail is provided .
The cleaning device has a pair of cleaning device main bodies that sandwich an up thrust roller provided on the door hanger in the frontage direction.
Among the pair of cleaning device main bodies, a displacement device that brings the cleaning device main body on the front side in the moving direction into contact with the lower surface of the door rail and separates the cleaning device main body on the rear side in the moving direction from the lower surface of the door rail. Equipped door rail bottom cleaning device. Support members provided on the door hanger and
A cleaning device that is supported by the support member and that cleans the lower surface of the door rail by moving the door hanger along the door rail .
A displacement device that displaces the cleaning device between a contact position where the cleaning device contacts the lower surface of the door rail and a separation position where the cleaning device separates from the lower surface of the door rail.
A control device that controls the drive of the displacement device and
A rotation detection device for detecting the rotation of the up thrust roller provided on the door hanger is provided .
The control device is a door rail lower surface cleaning device that controls the drive of the displacement device based on the detection result of the rotation detection device. The door rail lower surface cleaning device according to claim 1 or 2 , further comprising a foreign matter accommodating device for accommodating foreign matter dropped from the lower surface of the door rail by the cleaning device. The cleaning device according to any one of claims 1 to 3 , wherein the cleaning device cleans the lower surface of the door rail portion arranged outside in the frontage direction with respect to the up thrust roller provided on the door hanger. Door rail bottom cleaning device.

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