JP6846020B2 - elevator - Google Patents

Description

The present invention relates to an elevator in which a shaking reduction device is arranged in a basket.

Conventionally, there has been known an elevator in which a shaking reduction device for suppressing the shaking (vertical behavior) of the basket when landing on the floor is arranged in the basket (see Patent Document 1). In this shaking reduction device, for example, the car has an electromagnetic coil arranged at a predetermined distance from a guide rail that guides the car in the hoistway, and the electromagnetic coil is excited when the car lands on the target floor. By magnetizing the guide rail, it is possible to suppress the shaking of the basket at the time of landing.

Japanese Unexamined Patent Publication No. 2001-106456

When the basket lands (stops) on the target floor, the above-mentioned sway reduction device releases the magnetized state of the electromagnetic coil on the guide rail immediately after landing (stops).

At this time, for example, when all the users of the basket get off and the door is closed in an empty basket state, and the basket continues to stop in the empty basket state on the floor, immediately after the door is closed (for example, the door). When a user calls a landing on the floor and gets on the basket (within several tens of seconds to one minute after closing), the basket shakes (up and down behavior) when the user gets on the basket. The shaking reduction device that had released the magnetized state operates again in order to suppress the above.

In this way, if the shaking reduction device is operated a plurality of times in a short period of time, the number of operations of the shaking reduction device increases, so that a failure occurs in a movable part, a sliding part, an energized part, etc. of the shaking reduction device. It is easy to occur.

Therefore, an object of the present invention is to provide an elevator in which the shaking reduction device is less likely to break down.

The elevator of the present invention
Rail members that extend vertically in the hoistway and
A basket that moves up and down in the hoistway along the rail member,
The shaking reduction device placed in the basket and
A control unit capable of controlling the shaking reduction device is provided.
The shaking reducing device has a friction surface that can be pressed against the rail member from a state separated from the rail member, or a magnetized surface that can be magnetized to the rail member from a state separated from the rail member.
When the basket lands on the target floor, the control unit presses the friction surface against the rail member or magnetizes the magnetically attached surface to the rail member, and the landed basket is used on the door. When the vehicle continues to stop on the floor after opening and closing, the pressing of the friction surface on the rail member or the magnetizing of the magnetized surface on the rail member is maintained until a predetermined time elapses from the completion of closing the door.

According to such a configuration, when the basket that has landed on the target floor becomes an empty basket due to the user getting off or the like and the door is closed, and the basket continues to stop in the empty basket state on the floor, the door is closed. Immediately afterwards (within a predetermined time after the door closing is completed), when a user tries to get into the basket by calling a landing, etc., friction occurs between the time when the door closing is completed and the predetermined time elapses. Since the surface is pressed against the rail member or the magnetized surface continues to be magnetized to the rail member, the vibration reduction device operates (the friction surface is pressed against the rail member, or the magnetized surface is magnetized to the rail member). ) The number of times is reduced, which makes it difficult for the shaking reduction device to break down.

In this case, in the elevator,
Even before the elapse of the predetermined time, when the basket moves up and down in response to a landing call on another floor, the control unit presses the friction surface against the rail member or the rail on the magnetized surface. Release the magnetism of the member.

In addition, in the elevator,
When the control unit detects a landing call on the floor before the elapse of the predetermined time, the control unit presses the friction surface against the rail member or the magnetically attached surface until the door is closed in response to the landing call. When the basket continues to stop on the floor even after the door closing in response to the landing call is completed while maintaining the magnetism on the rail member, the above is further performed until a predetermined time elapses from the completion of the door closing. The pressing of the friction surface on the rail member or the magnetizing of the magnetized surface on the rail member may continue to be maintained.

According to this configuration, a basket that continues to stop on the floor even after landing on the target floor and opening and closing the door receives a call for landing on the floor within a predetermined time from the completion of closing the door in the opening and closing. In such a case, the pressure on the rail member of the friction surface or the magnetic attachment to the rail member of the magnetically-attached surface is maintained even while the user gets into the basket (until the door is closed). The shaking of the basket when the user who went to board is suppressed.

Moreover, according to such a configuration, even if the door is opened and closed in response to the landing call, the rail continues to stop on the floor after the door is closed without the user getting into the rail. Since the pressing of the friction surface on the rail member or the magnetic attachment of the magnetically attached surface to the rail member is further maintained for a predetermined time from the completion of the door closing in this opening and closing, a new landing call on the floor is made within this predetermined time. Compared to the configuration in which the user closes the door without getting into the basket and immediately releases the pressure on the rail member on the friction surface or the magnetization on the rail member on the magnetically attached surface, the shaking reduction device is used. The number of operations is suppressed.

From the above, according to the present invention, it is possible to provide an elevator in which the shaking reduction device is less likely to break down.

FIG. 1 is a schematic diagram for explaining the configuration of the elevator according to the present embodiment. FIG. 2 is a view showing a shake reducing device arranged in the basket of the elevator, in a state where the guide member is released. FIG. 3 is a view showing a shaking reduction device arranged in the basket of the elevator, in which a guide member is sandwiched between the shaking reduction devices.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 3.

As shown in FIG. 1, the elevator according to the present embodiment includes a guide member (rail member) 3 that extends in the hoistway 2 in the vertical direction, a basket 4 that moves up and down in the hoistway 2 along the guide member 3. A shaking reducing device 8 arranged in the basket 4 and a control unit 9 capable of controlling the shaking reducing device 8 are provided. Further, the elevator 1 includes a counterweight 5 that moves up and down in the hoistway 2, and a rope 7 that connects the basket 4 and the counterweight 5 while being wound around the sheave 6.

The guide member 3 is a so-called guide rail, and is fixed in the hoistway 2 (for example, a wall surface defining the hoistway 2). Specifically, as shown in FIGS. 2 and 3, the guide member 3 has a fixing portion 31 fixed to a wall surface or the like, and a guide portion 32 protruding from the fixing portion 31 and extending in the vertical direction. The guide members 3 of the present embodiment are arranged on both sides of the basket 4.

Returning to FIG. 1, the sheave 6 is rotationally driven by an electric motor or the like. The rotation of the sheave 6 causes the basket 4 and the counterweight 5 to move up and down in the hoistway 2 in opposite directions.

The shaking reducing device 8 suppresses shaking (behavior in the vertical direction) of the basket 4 when the basket 4 lands on the target floor. In addition, the shaking reduction device 8 also suppresses shaking of the basket 4 when a person gets on and off the basket 4 while the basket 4 is on the target floor, whereby the person in the basket 4 receives the shaking. Suppress the fluffy phenomenon. This fluffy phenomenon is a feeling that when a person gets on and off from the basket 4 while a person is on the basket 4, the person on the basket 4 feels fluffy due to the vertical shaking caused by the getting on and off. Is a phenomenon that occurs. In the elevator 1 of the present embodiment, two shaking reduction devices 8 are arranged (attached) to the basket 4. These two shaking reducing devices 8 are arranged at positions corresponding to the guide members 3 arranged on both sides of the basket 4 (specifically, positions where the guide portion 32 of the guide member 3 can be sandwiched).

The shaking reducing device 8 has a friction surface 810 that can be pressed against the guide member 3 from a state of being separated from the guide member 3 (specifically, the guide portion 32). More specifically, the shaking reducing device 8 can change the position between the pressing position P1 pressed by the guide member 3 (see FIG. 3) and the separation position P2 separated from the guide member 3 (see FIG. 2). It has a friction surface 810. The shaking reducing device 8 is a friction between the friction surface 810 and the guide member 3 (specifically, the guide portion 32) when the basket 4 swings in the vertical direction while the friction surface 810 is pressed against the guide member 3. The force suppresses the shaking of the basket 4. The shaking reducing device 8 of the present embodiment has a pair of friction surfaces 810, and the guide member 3 (specifically, the guide portion 32) is sandwiched between the pair of friction surfaces 810 to suppress the shaking of the basket 4 in the vertical direction. ..

Specifically, in the shaking reducing device 8, as shown in FIGS. 2 and 3, the friction material 81 is arranged at each tip so that the pair of friction materials 81 and the pair of friction materials 81 face each other. Each lever 82 is rotated around the rotation shaft 83 so that the pair of levers 82, the rotation shaft 83 connecting the pair of levers 82 so as to be relatively rotatable, and the pair of friction materials 81 approach and separate (open and close) from each other. It has a drive source 84 for relative rotation).

Each of the pair of friction members 81 has a friction surface 810 at a position facing each other. The pair of friction surfaces 810 face each other with the guide portion 32 of the guide member 3 located between them.

The drive source 84 has a body portion 841 in which a solenoid coil is incorporated, and an output rod 842 inserted into the body portion 841 so as to be able to advance and retreat with respect to the body portion 841. In the drive source 84, the output rod 842 retracts into the body portion 841 when the solenoid coil is energized. One end of the body portion 841 in the advancing / retreating direction of the output rod 842 (the end opposite to the side where the output rod 842 advances / retreats) is connected to the base of one of the pair of levers 82, and the tip of the output rod 842. Is connected to the base of the other lever 82 of the pair of levers 82.

Further, the shaking reducing device 8 of the present embodiment has a return spring 85 between the other lever 82 and the body portion 841 of the drive source 84. The return spring 85 urges the other lever 82 in the direction in which the output rod 842 advances with respect to the body portion 841.

In the shaking reduction device 8, when the solenoid coil is not energized, the output rod 842 is advanced from the body portion 841 due to the urging force of the return spring 85, so that the pair of friction members 81 is brought into the guide portion 32 ( It is in a state of being separated from the guide member 3) (a state in which each friction surface 810 is at the separation position P2) (see FIG. 2).

On the other hand, in the shaking reduction device 8, when the solenoid coil is energized, the output rod 842 is pulled (retracted) into the body portion 841 by the magnetic field generated in the solenoid coil, so that the pair of friction materials 81 Is in a state of sandwiching the guide portion 32 (guide member 3) (a state in which each friction surface 810 is pressed by the guide member 3, that is, a state in which the pressing position P1 is located) (see FIG. 3). In this state, if the basket 4 sways or attempts to sway in the vertical direction, the frictional force between each friction surface 810 and the guide portion 32 suppresses the vertical sway of the basket 4.

In the shaking reduction device 8 of the present embodiment, the pair of friction members 81 do not firmly sandwich the guide member 3 so that the basket 4 does not move up and down with respect to the guide member 3, but the basket 4 sways in the vertical direction. Occasionally, the guide portion 32 is sandwiched by a force that allows the guide member 3 to slide with respect to the friction surface 810.

The control unit 9 is arranged in the basket 4 and is composed of a board, a microprocessor, and the like. The control unit 9 controls (operates) the shaking reduction device 8 by controlling the energization of the drive source 84. That is, the control unit 9 controls the advance / retreat of the output rod 842 to the body portion 841 by controlling the supply (energization) of electric power to the solenoid coil of the body portion 841. As a result, the pair of friction members 81 sandwich the guide member 3 or release the sandwiching of the guide member 3.

The control unit 9 energizes the drive source 84 (solenoid coil) when the basket 4 lands on a predetermined floor (floor), and suppresses the sway of the basket 4 when it lands. Further, the control unit 9 continues (maintains) energization of the drive source 84 until a predetermined time (1 minute in the example of the present embodiment) elapses from the landing (stop) of the basket 4. If the basket 4 is not called by the elapse of the predetermined time, the control unit 9 stops energizing the drive source 84, whereby the pinching of the guide unit 32 by the shaking reduction device 8 is released (released). ).

According to the above elevator 1, the basket 4 that has landed on the predetermined floor (target floor) becomes an empty basket due to the user getting off or the like and closes the door, and the basket 4 stops on the floor in the empty basket state. When the user tries to get on the basket 4 by calling the landing on the floor immediately after the door is closed (within a predetermined time from the completion of the door closing), after the basket 4 has landed. Until the predetermined time (1 minute after the completion of closing the door in the example of the present embodiment) elapses, the shaking reduction device 8 is in a state of sandwiching the guide portion 32 (that is, each friction surface 810 is pressed against the guide portion 32). Since the state) is maintained, the number of times the shaking reduction device 8 operates is suppressed. The details are as follows.

In a conventional elevator, when the car lands on the target floor and the user gets off the car, the car becomes empty and the door closes, and when the car continues to stop on the floor in the empty car state, the door closes. Even if the user calls the boarding place on the floor and gets in the basket within a short period of time (for example, within 1 minute after the door is closed), the shaking reduction device sandwiches the guide member at the time of landing. After suppressing the shaking of the basket at the time of landing, once the guide member is released, when the user gets on the basket by calling the landing after that, in order to suppress the shaking of the basket caused by the riding again, , Insert the guide member. That is, in the conventional elevator, the operation of the shaking reduction device (pinching and releasing of the guide member) is performed a plurality of times in a short period of time.

On the other hand, in the elevator 1 of the present embodiment, when the basket 4 continues to stop in an empty basket state on the target floor, the shaking reduction device 8 sandwiches the guide portion 32 when the basket 4 lands on the target floor. After that, the state in which the guide portion 32 is sandwiched is maintained until a predetermined time (1 minute in the example of the present embodiment) elapses from the completion of closing the door accompanying the landing on the target floor. Therefore, when the basket 4 lands on a predetermined floor and the user gets off the vehicle to close the door in an empty basket state, and the basket 4 continues to stop in the empty basket state on the floor, the door closes. When the user calls the landing on the floor and gets in the basket 4 within a short time (1 minute after the door is closed in the example of the present embodiment), the shaking reduction device 8 is used. Since the guide member 3 has been continuously sandwiched since the basket 4 landed on the floor, the number of operations of the shaking reduction device 8 can be suppressed (reduced) as compared with the conventional elevator. As a result, in the shaking reduction device 8, the occurrence of failures due to the number of operations (for example, wear, failure of moving parts, failure of energized points, etc.) can be suppressed.

In this elevator 1, even before the elapse of the predetermined time, when the basket 4 moves up and down in response to a landing call on another floor, the pinching of the guide member 3 by the shaking reduction device 8 is released.

Further, in the elevator 1 of the present embodiment, if a landing call is detected on the floor (target floor) before the lapse of a predetermined time after the door closing is completed, the shaking is reduced until the door closing is completed in response to the landing call. The sandwiching of the guide member 3 by the device 8 is maintained. In this way, when the basket 4 that continues to stop on the floor even after landing on the target floor and the door opens and closes is called to the landing on the floor within a predetermined time from the completion of closing the door, the said While the user gets into the basket 4 (until the door is closed), the guidance member 3 is kept sandwiched by the shaking reducing device 8. Therefore, the shaking of the basket 4 when the user who called the landing board gets in is suppressed.

Further, in the elevator 1 of the present embodiment, although the door is opened and closed in response to the landing call on the floor after landing, the basket 4 is opened after the door is closed without the user getting into the basket 4. Even when the vehicle continues to stop on the floor, the guide member 3 is maintained to be sandwiched by the shaking reducing device 8 for a predetermined time from the completion of closing the door in the opening and closing. In this way, even if the door is opened and closed in response to the landing call, even if the user does not get into the basket 4 and the basket 4 continues to stop on the floor after the door is closed, the opening and closing is performed. Since the pinching of the guide member 3 by the shaking reduction device 8 is maintained from the completion of closing the door to the elapse of a predetermined time, when a new landing call on the floor is made within this predetermined time, the user The number of operations of the shaking reducing device 8 can be suppressed as compared with a configuration in which the guide member is released from being pinched by the shaking reducing device immediately after the door is closed without getting into the basket 4.

The elevator of the present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made without departing from the gist of the present invention. For example, the configuration of one embodiment can be added to the configuration of another embodiment, and a part of the configuration of one embodiment can be replaced with the configuration of another embodiment. In addition, some of the configurations of certain embodiments can be deleted.

In the elevator 1 of the above embodiment, the guide portion 32 by the shaking reduction device 8 is used until one minute (predetermined time) elapses from the completion of door closing in opening and closing the door accompanying the landing of the basket 4 on the predetermined floor (target floor). The sandwiching is maintained, but is not limited to this configuration. The predetermined time may be about several tens of seconds to one minute. This predetermined time is set based on, for example, on-site traffic data. For details, when a passenger actually gets off the car and is stopped in an empty car, the data of the time from the stopped state until the user gets on the car (traffic site data) is obtained. The analysis is performed, and the predetermined time is set based on this analysis.

Further, the predetermined time may be changed depending on the time zone and the floor. For example, during off-peak hours such as at night, it is unlikely that the basket 4 will be called from another floor after it has stopped on the designated floor. Since there is a high possibility that a call will come in from another floor after 4 has stopped on a predetermined floor, it may be several tens of seconds. Further, the predetermined time may be 1 minute on a frequently used floor (for example, the lobby floor) and several tens of seconds on other floors.

Further, the specific configuration of the shaking reduction device 8 is not limited. The shaking reducing device 8 of the above embodiment has a configuration in which a pair of friction surfaces 810 sandwich the guide portion 32 (guide member 3) to suppress shaking that causes a fluffy phenomenon. For example, the shaking reducing device 8 has a structure. The sway may be suppressed by the frictional force between the friction surface 810 and the guide portion 32 generated by pressing one friction surface 810 against the guide portion 32. Further, the shaking reducing device 8 has a magnetized surface that can be magnetized on the guide portion 32 from a state separated from the guide portion 32, and the shaking is suppressed by magnetizing the magnetized surface on the guide portion 32. It may be a configuration.

Further, in the elevator 1 of the above embodiment, the guide member 3 for guiding the ascent and descent of the basket 4 and the member sandwiched by the shaking reduction device 8 (pressing the friction surface 810) are common members, but the configuration is limited to this. Not done. Even if the member that the shaking reduction device 8 presses the friction surface 810 (or magnetizes the magnetized surface) in order to suppress the shaking of the basket 4, is a member different from the guide member 3 (a rail member extending in the vertical direction). Good.

Further, in the elevator 1 of the above embodiment, the shaking reduction device 8 is arranged only in the basket 4, but it may also be arranged in the counterweight 5.

In the elevator 1 of the above embodiment, the shaking reduction device 8 and the control unit 9 are separate bodies (separate configurations), but the configuration is not limited to this. The shaking reducing device 8 may be configured to include a control unit 9.

In the elevator 1 of the above embodiment, since the control unit 9 also serves as the control unit of the basket 4, the shaking reduction device 8 and the control unit 9 are separate bodies (separate configurations), but the configuration is not limited to this. The shaking reducing device 8 may be configured to include a control unit 9.

1 ... Elevator, 2 ... Hoistway, 3 ... Guide member, 31 ... Fixed part, 32 ... Guide part, 4 ... Basket, 5 ... Counterweight, 6 ... Sheave, 7 ... Rope, 8 ... Mitigation device, 81 ... Friction Material, 810 ... Friction surface, 82 ... Lever, 83 ... Rotating shaft, 84 ... Drive source, 841 ... Body, 842 ... Output rod, 85 ... Return spring, 9 ... Control unit, P1 ... Pressing position, P2 ... Separation position

Claims (3)

Rail members that extend vertically in the hoistway and
A basket that moves up and down in the hoistway along the rail member,
The shaking reduction device placed in the basket and
A control unit capable of controlling the shaking reduction device is provided.
The shaking reducing device has a friction surface that can be pressed against the rail member from a state separated from the rail member, or a magnetized surface that can be magnetized to the rail member from a state separated from the rail member.
When the basket lands on the target floor, the control unit presses the friction surface against the rail member or magnetizes the magnetically attached surface to the rail member, and the landed basket is used on the door. When the elevator continues to stop on the floor after opening and closing, the elevator maintains the pressing of the friction surface on the rail member or the magnetizing of the magnetized surface on the rail member until a predetermined time elapses from the completion of closing the door. .. Even before the elapse of the predetermined time, when the basket moves up and down in response to a landing call on another floor, the control unit presses the friction surface against the rail member or the rail on the magnetized surface. The elevator according to claim 1, wherein the member is demagnetized. When the control unit detects a landing call on the floor before the elapse of the predetermined time, the control unit presses the friction surface against the rail member or the magnetically attached surface until the door is closed in response to the landing call. When the basket continues to stop on the floor even after the door has been closed in response to the landing call while maintaining magnetism on the rail member, until the predetermined time elapses from the completion of the door closing. The elevator according to claim 1, wherein the pressure of the friction surface on the rail member or the magnetization of the magnetically attached surface on the rail member is continuously maintained.

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