JPH10203752A - Guide rail cleaning device in elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simultaneously clean a guide rail and a bracket to support this guide rail with automatization. SOLUTION: A main body 36 of a guide rail cleaning device 30 installed on a bottom part of an elevator car is fixed on a base 34, and a cleaning part 32 is supported from this main body 36 so as to face against a guide rail 18. A brush 33 to carry out cleaning of the guide rail 18 and a bracket 24 is provided on a head end of this cleaning part 32. Additionally, an electromagnetic plunger 38 to arrange the brush 33 at a position to make in contact with the guide rail 18 at the time of cleaning and an electromagnetic coil 40 to give electromotive force to this electromagnetic plunger 38 are furnished on the main body 36. Additionally, a spring 42 to arrange the head end of the cleaning part 32 at a position separated from the guide rail at the time of non-cleaning is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device for cleaning a guide rail that guides an elevator car to move up and down, and more particularly to a cleaning device that can simultaneously clean a guide rail and a bracket that supports the guide rail.

[0002]

2. Description of the Related Art FIG. 8 shows an overall structure of an elevator and a conventional bracket cleaning method.

The elevator car 10 comprises a car frame 12 and a car room 14 fixed inside the car frame 12. A main rope 16 is attached to an upper end of the car frame 12, and the elevator car 10 is moved up and down by the main rope 16.

[0004] The elevator car 1 during the vertical movement
The guide rail 18 is fixed to the hoistway wall surface 22 by a bracket 24 so as to guide the zero. On the other hand, a guide shoe 20 that engages with the guide rail 18 is attached to the car frame 12, and the elevator car 10 is guided along the guide rail 18 to move up and down.

In order to smoothly move the elevator car 10 up and down, the guide rails 18 and the brackets 24 fixing the guide rails 18 are cleaned at the time of periodic inspection and the like.

Various cleaning devices have been developed as conventional cleaning devices for guide rails.
No. 64866. This guide rail cleaning device includes:
A cleaning body for cleaning an engagement surface of the guide rail 18 with which the guide shoe 20 is engaged is provided, and the cleaning body is directly attached to the guide rail 18 so as to contact the engagement surface. Then, by sliding the cleaning body on the guide rail in a state of being in contact with the engagement surface, the entire engagement surface is cleaned.

On the other hand, as for the cleaning of the bracket 24 fixing the guide rail 18, there is no such a cleaning device as described above. Therefore, the worker A is disposed at the upper end of the car room 14 as shown in FIG. Cleaning is performed manually in this state.

[0008]

As described above, in the conventional cleaning method, since the guide rail and the bracket must be separately cleaned, the operation is complicated. That is, when cleaning the guide rail, the guide rail cleaning device is attached to the guide rail and slid to perform cleaning. Further, when cleaning the bracket, an operator arranges it at the upper end of the cab and manually cleans the elevator car while sequentially moving the elevator car to the position of the bracket. As described above, since these cleaning operations could not proceed at the same time, the efficiency of these cleaning operations could not be improved. Furthermore, as described above, the cleaning of the brackets has to be performed manually, which requires considerable time and labor.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a cleaning device that can simultaneously clean the entire guide rail including a bracket.

[0010] The present invention also provides a cleaning device capable of cleaning guide rails even during normal elevator operation.

[0011]

In order to achieve the above object, the present invention is an apparatus for cleaning a guide rail for guiding the elevator car to move up and down, wherein the elevator car is brought into contact with the guide rail. And a cleaning unit that is supported and fixed to the outer wall and cleans the engaging guide rail.

[0012] According to the above configuration, during the movement of the elevator car, for example, during the normal operation of the elevator, the cleaning section comes into sliding contact with the guide rail, and the entire guide rail can be automatically cleaned.

In the above configuration, in order to efficiently clean the entire guide rail, that is, the entire guide rail including the bracket supporting the guide rail, the cleaning portion may be configured to have a width covering the guide rail and the bracket. preferable.

[0014] With the above configuration, the cleaning of the guide rail and the cleaning of the bracket, which have been conventionally performed separately, can be simultaneously and automatically performed.

In the above configuration, it is preferable that the cleaning portion is slidably supported between a cleaning position in contact with the guide rail and a storage position away from the guide rail.

With the above-described configuration, the cleaning unit can be disposed at the storage position when not in use, so that unnecessary cleaning of the cleaning unit can be prevented, and the cleaning unit slides on the guide rail. In this case, it is possible to prevent frictional noise and the like at the time.

In the above configuration, it is preferable that a control unit for controlling an arrangement position of the cleaning unit is provided, and the control unit arranges the cleaning unit at the cleaning position when the elevator car is operated unattended.

According to the above configuration, for example, when cleaning is performed during normal elevator operation, the cleaning operation is performed after confirming that there are no passengers in the cab, so that the friction between the cleaning unit and the guide rails is increased. It is possible to clean the guide rails without giving noise to passengers and the like.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an overall configuration of an elevator provided with a guide rail cleaning device according to the present embodiment. FIG. 2 is an enlarged view particularly showing a portion where the guide rail cleaning device of the present invention is attached.

In FIG. 1, a guide rail cleaning device 30 is shown.
Is attached to the lower end surface of the car frame 12 of the elevator car 10 here. As the mounting position,
Not only the lower end face of the car frame 12 but also the upper end face or both can be attached.

The guide rail cleaning device 30 is provided with a base 34 fixed to the car frame 12.
Is mounted with a main body 36. Also, this body 3
6 is provided with a cleaning unit 32 so as to face the guide rail 18.

More specifically, as shown in FIG.
Is provided with a bifurcated support portion 31 for efficiently contacting the T-shape on the side surface of the guide rail 18, and a brush 33 is provided as a cleaning body at the tip of the support portion 31. The brush 33 has a width covering both the guide rail 18 and the bracket 24 located outside the guide rail so that they can be cleaned. Then, a bracket cleaning body 33 is provided on a portion covering the bracket.
a is formed to protrude. This bracket cleaning body 33a
Is provided with a brush having a bristle length longer than that of the brush 33 in contact with the guide rail 18. Although the brush 33 is used here as the cleaning body, it may be formed of another member, for example, a sponge as described later.

The main body 36 is provided with sliding means for sliding the cleaning section 32 between a cleaning position and a storage position. Here, the cleaning position is the cleaning unit 3
8 means the position where it contacts the guide rail 18, and
The storage position means a position where the cleaning unit 38 is separated from the guide rail 18.

As the sliding means, any structure can be used as long as it can slide the cleaning portion 32 properly between the cleaning position and the storage position. As shown in (1), this sliding means can be constituted by an electromagnetic plunger 38 and a spring 42 in a storage position. In addition, this electromagnetic plunger 38
The spring functions to place the cleaning unit 32 at the cleaning position, and the spring functions to return the cleaning unit 32 disposed at the cleaning position by the electromagnetic plunger to the storage position.

More specifically, an electromagnetic coil 40 is provided on the electromagnetic plunger 38 connected to the support portion 31, and the electromagnetic plunger 38 is attracted by the electromotive force of the electromagnetic coil 40, and as shown in FIG. 32 will be located at the cleaning position.

On the other hand, the spring 42 is provided at a forked portion 31a of the support portion 31 and urges the support portion 31 in a direction away from the guide rail 18. Therefore, when the electromagnetic plunger 38 is attracted, the spring 42 is compressed, and when the electromotive force from the electromagnetic coil 40 is cut off and the electromagnetic plunger 38 stops being attracted, as shown in FIG. The cleaning unit 32 is arranged at the storage position by the pressure of (1).

The guide rail cleaning device 30 includes an electromagnetic coil 4 for controlling the positioning of the cleaning unit 32 by the slide means, mainly the electromagnetic plunger 38.
A control unit 46 is connected to 0 via a transmission line 44. The control unit 46 is connected to an elevator operation control unit (not shown) that controls the operation of the elevator, and is set so as to detect that there is no passenger in the cab and activate the electromagnetic coil 40. The detection that there is no passenger in the car room can be detected, for example, from the fact that the elevator is stopped in a state where the instruction button in the car room and the call button of each hall are not pressed. In addition, the controller 46 can set conditions such as a period in order to perform a cleaning operation at regular intervals.

Next, the operation of the guide rail cleaning device configured as described above will be described.

Normally, the cleaning section 32 of the guide rail cleaning apparatus 30 is arranged at the storage position by the control section 46.
However, when the predetermined set time is reached, the controller 46 controls the guide rail cleaning device 30 as described below to execute the cleaning operation.

FIG. 5 shows the control operation of the control section 46. The control unit 46 first checks whether it is the set time for performing the cleaning (S1). If the set time has been reached, then the elevator car stops without an instruction of the driving direction. Is confirmed, that is, the passenger is not using the elevator (S
2). At this time, in the elevator car 10, for example, when the instruction button in the car room 14 or the call button of the hall is pressed, the control unit 46 detects that the elevator car is used, and performs the above S1 step. Return to. If the elevator car is not used, it is checked whether the elevator car is located on the top floor (S3). Here, when the elevator car is located on the top floor, power is supplied to the electromagnetic coil 40 in order to set the guide rail cleaning device 30 to a state where it can be cleaned. The electromagnetic coil 40 supplied with power supplies an electromotive force to the electromagnetic plunger 38,
The suction of the electromagnetic plunger 38 is started. By the suction of the electromagnetic plunger 32, the cleaning unit 32 is located at the cleaning position, and the brush 33 at the tip comes into contact with the guide rail 18 (S5).

On the other hand, in the step S3, if the elevator car is not located on the top floor, the control unit 46 issues a top floor traveling instruction to the operation control unit of the elevator to place the elevator car 10 on the top floor. Send (S
4). Then, when it is confirmed that the control unit 46 is arranged on the top floor (S3), the above-described series of operations, that is,
The operation of setting the guide rail cleaning device 30 to a state in which the guide rail cleaning device 30 can be cleaned is performed, and the cleaning unit 32 is arranged at the cleaning position (S5).

After confirming that the cleaning unit 32 is located at the cleaning position, the control unit 46 issues a traveling instruction to the lowest floor to the elevator operation control unit and starts the descending operation of the elevator car 10 ( S6). By the lowering operation of the elevator car 10, the brush 33 in contact with the guide rail 18 slides on the guide rail 18, and the guide rail 1
The bracket cleaning body 33a removes dust adhering to the bracket 24 in order to remove dust adhering to the bracket 8, and finally cleans the entire guide rail 18 including the bracket 24.

When the elevator car 10 reaches the lowest floor, the operation of the elevator stops. And the control unit 4
6 confirms that the operation of the elevator has stopped (S
7), the power supply to the electromagnetic coil 40 is cut off, and the suction of the electromagnetic plunger 38 stops (S8). When the electromagnetic plunger 38 stops, the pressure of the spring 42 is reduced.
2, the cleaning unit 32 is returned to the storage position by the spring pressure, and a series of cleaning operations is completed (S
10).

As described above, according to the guide rail cleaning device 30 of the present embodiment, it is possible to simultaneously perform the cleaning of the guide rail and the cleaning of the bracket, which have been conventionally performed separately. The guide rail cleaning device 30
According to this, it is possible to automate the cleaning of the bracket, which has been conventionally performed manually.

Further, the guide rail cleaning device 30 is provided with a control unit 46, and by this control unit 46, the cleaning unit is disposed at the cleaning position only during cleaning, and is disposed at the storage position when cleaning is not performed. Will be. for that reason,
It is not necessary to attach and detach the guide rail cleaning device 30, and a series of cleaning operations from the start of cleaning to the end of cleaning can be completely automated.

In the above-described embodiment, the brush 33 is provided as a cleaning body at the tip of the cleaning unit 32. This cleaning body may be composed of another member. For example, as shown in FIG. 6, a sponge 48 can be used instead of the brush 33 described above. Also in this case, it is desirable to form the bracket cleaning body 48a on the sponge 48 at a portion exceeding the width of the guide rail 18, that is, at a portion covering the bracket 24 so that the bracket 24 can be cleaned simultaneously with the guide rail 18. . When the sponge 48 is used in place of the brush 33 as described above, by sliding the sponge 48 into contact with the guide rail 18 and the bracket 24, highly viscous dirt or the like can be wiped.

[Other Embodiments] Next, a guide rail cleaning device 50 according to another embodiment shown in FIG. 7 will be described. The same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In the fifty embodiment, unlike the guide rail cleaning device 30 of the above embodiment, the cleaning unit 32 is maintained in a state where it is fixed at the cleaning position.

Specifically, a fixing plate 54 protrudes from the base 34 attached to the bottom of the elevator car. The cleaning part 32 is attached to and supported by a fixing bolt 56 inserted into the fixing plate 34. The fixing bolt 56 is provided with a spring 52 for urging the cleaning section 32 in the direction of the guide rail 18, and further provided with a bolt 58 for adjusting the pressure of the spring 52.

Next, the operation of the guide rail cleaning device 50 configured as described above will be described.

In order to adjust the contact strength between the brush 33 at the tip of the cleaning section 32 and the guide rail 18 and the bracket 24, the urging force of the spring 52 is adjusted with a bolt 58.
In this state, the elevator is operated and the elevator car 10
Is moved up and down, the brush 33 of the cleaning unit 32 is always in sliding contact with the guide rail 18 and the bracket 24 to clean them.

In FIG. 7, the cleaning section 32 is provided with a brush 33 for removing dust such as guide rails. However, the brush 33 can be replaced with another member, for example, a sponge. It is.

Since the guide rail cleaning device 50 configured as described above does not require a power source unlike the above-described guide rail cleaning device 30, it is particularly suitable for cleaning the guide rail and the bracket on the counterweight side supporting the elevator car. Can be used for

[0045]

As described above, according to the guide rail cleaning apparatus of the present invention, the guide rail cleaning and the bracket cleaning, which have been conventionally performed separately, can be simultaneously performed. The cleaning operation can be streamlined because the operation can be completely automated during the operation of the car.

By mounting the guide rail cleaning device not only on the car side but also on the weight side, it becomes possible to automatically clean all the guide rails and brackets existing in the hoistway.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an elevator car provided with a guide rail cleaning device according to an embodiment of the present invention.

FIG. 2 is a partially enlarged view of an elevator car provided with the guide rail cleaning device according to the embodiment of the present invention.

FIG. 3 is a plan view showing a state in which a cleaning unit is arranged at a cleaning position in the guide rail cleaning device according to the embodiment of the present invention.

FIG. 4 is a plan view showing a state in which the cleaning unit is disposed at the storage position in the guide rail cleaning device according to the embodiment of the present invention.

FIG. 5 is a process diagram showing each control process of a control unit in the guide rail cleaning device according to the embodiment of the present invention.

FIG. 6 is a partially enlarged view of an elevator car provided with the guide rail cleaning device according to the embodiment of the present invention.

FIG. 7 is a partially enlarged view of an elevator car provided with a guide rail cleaning device according to another embodiment of the present invention.

FIG. 8 is a view showing a conventional bracket cleaning method.

[Explanation of symbols]

10 elevator car, 18 guide rails, 24 brackets, 30, 50 guide rail cleaning device, 32 cleaning unit, 33a bracket cleaning body, 46 control unit.

Claims (4)

[Claims] An apparatus for cleaning a guide rail that guides an elevator car to move up and down, wherein the cleaning section is supported and fixed to an outer wall of the elevator car so as to come into contact with the guide rail, and cleans the contacting guide rail. A cleaning device for a guide rail in an elevator, wherein the cleaning unit slides on the guide rail to clean the entire guide rail as the elevator car moves. 2. The elevator according to claim 1, wherein the cleaning unit is configured to have a width covering a guide rail and a bracket supporting the guide rail, and cleans the entire guide rail including the bracket. Guide rail cleaning device. 3. The cleaning device according to claim 1, wherein the cleaning unit is slidably supported between a cleaning position in contact with the guide rail and a storage position away from the guide rail.
Or the guide rail cleaning device according to 2. 4. The guide rail cleaning device according to claim 3, further comprising a control unit that arranges the cleaning unit at a cleaning position when the elevator car is operated unattended.