KR102254168B1 - Sludge removal device for elevator rope - Google Patents

Abstract

The present invention relates to a sludge removal device for an elevator rope, comprising: a pulley portion on which a rope is wound, a roller portion positioned symmetrically with respect to the rope at a point of the rope, a rotation motor portion providing rotational power of the roller portion, and a rotation motor portion It includes a control unit for controlling the direction of rotation, and the roller unit is provided with a first roller and a second roller of the same shape, but when the pulley unit rotates clockwise based on the axis of the pulley unit, the rope is raised and lowered, and the first roller is halfway. It rotates clockwise, the second roller rotates clockwise, and when the pulley portion rotates counterclockwise with respect to the axis of the pulley portion, the rope descends, the first roller rotates clockwise, and the second roller Can rotate counterclockwise. For this reason, the first roller and the second roller simultaneously rotate in opposite directions to the lifting or lowering direction of the rope, thereby improving the amount of foreign matter removed from the surface of the rope.

Description

Sludge removal device for elevator rope {SLUDGE REMOVAL DEVICE FOR ELEVATOR ROPE}

The present invention relates to a sludge removal device for elevator ropes. In more detail, it includes a pulley part on which the rope is wound, a roller part positioned symmetrically with respect to the rope at a point of the rope, a rotation motor part providing rotational power of the roller part, and a control part controlling the rotation direction of the rotation motor part. , The roller part is provided with a first roller and a second roller of the same shape, but when the pulley part rotates clockwise based on the axis of the pulley part, the rope rises and falls, the first roller rotates counterclockwise, and the second roller Is rotated clockwise, and when the pulley portion rotates counterclockwise with respect to the axis of the pulley portion, the rope descends, the first roller rotates clockwise, and the second roller rotates counterclockwise. do. For this reason, the first roller and the second roller simultaneously rotate in opposite directions to the lifting or lowering direction of the rope, thereby improving the amount of foreign matter removed from the surface of the rope.

In general, in elevators, cranes, hoists, machinery, etc., grease is applied to the wire rope surface to extend its life and increase efficiency.

In particular, the rope of the high-speed elevator plays an important role in connecting the hoisting machine and the main body to transport, and grease is applied to the surface of the rope to extend the service life of the rope by reducing frictional force and load on the rope used in the elevator. .

At this time, a rope used in a high-speed elevator may have a significantly lower service life than that of a general elevator.

Accordingly, a task of periodically applying grease to a rope used in a high-speed elevator is performed. However, since the amount of grease applied to the rope surface may vary depending on the operator, there is a problem that the grease on the rope surface is not constant.

In addition, the grease applied to the rope surface tends to become thinner over time, the coated surface becomes grooved, or the grease deteriorates and the effect of preventing corrosion decreases, so the surface of the wire rope is periodically cleaned and new grease. There is a need to apply.

Particularly, in the pulley where a part of the rope is wound, foreign substances (sludge) such as dust, dust and old grease are deposited on the rope surface, causing the rope to escape, so it is necessary to remove the grease from the elevator rope. The problem that the safety of the worker is threatened is emerging as the work is carried out manually by the worker.

Therefore, foreign matter (sludge) adhered to the elevator rope surface must be removed. Until now, related technologies have not been developed for the device (equipment) for this, and the structure is particularly simple while effectively removing the adhered foreign matter (sludge). No removal device has been proposed for easy operation.

In addition, due to the characteristics of elevator ropes that require continuous movement, it is difficult to install the device on a fixed wall, such as a wall, to remove grease, so there is a problem that the efficiency of work is deteriorated.

Accordingly, there is a need for development of a sludge removal device for elevator ropes that corresponds to the surface of the rope to remove foreign matter (sludge) and has a simple structure to facilitate operation and to increase work efficiency.

KR 10-2010-0022845 A

An object of the present invention is to improve the removal amount of foreign substances on the surface of the rope by rotating the roller unit opposite to the direction of lifting or descending of the rope. To this end, it includes a pulley part on which the rope is wound, a roller part symmetrically positioned with respect to the rope at a point of the rope, a rotation motor part providing rotational power of the roller part, and a control part controlling a rotation direction of the rotation motor part, The roller part is provided with a first roller and a second roller of the same shape, but when the pulley part rotates clockwise based on the axis of the pulley part, the rope rises and falls, the first roller rotates counterclockwise, and the second roller When it rotates clockwise and the pulley part rotates counterclockwise with respect to the axis of the pulley part, the rope descends, so that the first roller rotates clockwise, and the second roller rotates counterclockwise.

In order to achieve the above object, the sludge removal device for an elevator rope according to the present invention provides a pulley portion on which a rope is wound, a roller portion positioned symmetrically with respect to the rope at a point of the rope, and a rotational power of the roller portion. And a control unit for controlling a rotation direction of the rotation motor unit and the rotation motor unit, wherein the roller unit is provided with a first roller and a second roller having the same shape, and the pulley unit rotates clockwise based on the axis of the pulley unit. When the rope is raised and lowered, the first roller rotates in a counterclockwise direction, the second roller rotates in a clockwise direction, and when the pulley portion rotates in a counterclockwise direction with respect to the axis of the pulley portion, the As the rope descends, the first roller rotates in a clockwise direction, and the second roller rotates in a counterclockwise direction.

In addition, according to the present invention, further comprising a length motor unit coupled to the other side of the roller unit, and a connection unit coupled between the length motor unit and the roller unit, the connection unit, an outer end portion is coupled to the shaft of the length motor unit A shaft, an inner shaft into which the other end of the outer shaft is inserted, and one end portion is coupled to the inner shaft, and the other end is provided with a support shaft coupled to a roller portion, and when the length motor portion is rotated by the control unit, the As the outer shaft moves on the inner side of the inner shaft, the roller part may be moved longitudinally to one side or the other side, and the roller part may rotate clockwise or counterclockwise by the rotation motor part.

In addition, according to the present invention, the other end of the support shaft is divided into two ends so as to be respectively inserted into the first roller and the second roller, and the first roller and the second roller by the rotation motor part. Independent rotation of the rollers is possible.

Further, according to the present invention, an encoder fixed to the shaft of the pulley may be further included, and the moving direction of the rope according to the rotation direction of the pulley may be directly measured by the encoder.

In addition, according to the present invention, a motion sensor spaced apart from the rope by a predetermined distance may be further included, and a moving direction of the rope according to the rotation direction of the pulley may be indirectly measured by the motion sensor.

In addition, according to the present invention, further comprising a spring portion coupled to the rotation motor portion and the length motor portion, the spring portion has an elastic force to reduce the impact of the rotation motor portion and the length motor portion.

In addition, according to the present invention, the outer surface of the other end of the outer shaft and the inner surface of the one end of the inner shaft are formed with threads, so that the outer shaft and the inner shaft are engaged with each other in a threaded structure.

According to the present invention, since the first roller and the second roller are rotated in a direction opposite to the direction of movement of the rope by the control unit and are scraped in the opposite direction to the rope, the effect of removing foreign substances attached to the outer surface of the rope can be maximized. I can.

In addition, the first brush bristle and the second brush bristle have a predetermined angle from the surfaces of the first and second brushes so that they correspond to the diagonal grooves of the rope formed by the twisting operation, thereby improving the amount of foreign substances deposited on the outer surface of the rope. There is an effect that can be made.

In addition, the connecting portion is in the form of a'Y' jack, one end has one end and the other end has two ends, so that the first roller and the second roller are respectively coupled to the first roller and the second roller at the other side of the connecting part. There is an advantage that the roller can move independently.

In addition, since the first roller and the second roller can be linearly moved in the longitudinal direction by the length motor unit and the connection unit at the same time as the rotation movement by the rotation motor unit, the first roller and the second roller are fixed and rotated at only one position. Since it can reciprocate in the longitudinal direction at the same time and come into contact with the surface of a wider rope, the effect of removing foreign matter can be further maximized.

1 is an overall conceptual diagram of an elevator rope sludge removal apparatus according to the present invention.
2 is a conceptual diagram when the rope of the elevator rope sludge removal device according to the present invention rises.
3 is a conceptual diagram when the rope of the elevator rope sludge removal device according to the present invention descends.
Figure 4 is an enlarged view of the connecting portion of the elevator rope sludge removal device according to the present invention.
5(a) is a cross-sectional view of the elevator rope sludge removal device according to the present invention when the rope rises.
5(b) is a cross-sectional view of the elevator rope sludge removal device according to the present invention when the rope descends.
6 is a block diagram of a sludge removal device for an elevator rope according to the present invention.
7 is an enlarged view of a roller portion of the elevator rope sludge removal device according to the present invention.
Figure 8 shows the case of the elevator rope sludge removal device according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein.

The terms used in this specification are for describing exemplary embodiments, and therefore, are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used in the specification, "comprise" and/or "comprising" refers to the presence of one or more other components, steps, actions and/or elements in which the recited component, step, operation and/or element Or does not preclude additions.

The definitions of terms used below are as follows. "Longitudinal direction" is an x-axis direction with reference to FIG. 1, "width direction" is a y-axis direction with reference to FIG. 1, and "vertical direction" is a z-axis direction with reference to FIG. 1. In addition, "upper part" means an upward direction from a vertical direction, and "lower part" means a downward direction from a vertical direction. In addition, "one side" means a point close to the "length motor part" when viewed in the width direction, and "the other side" refers to a point close to the "rotation motor part" when viewed in the width direction.

Hereinafter, with reference to the drawings, a sludge removal apparatus for an elevator rope according to the present invention will be described.

The sludge removal apparatus according to the present invention includes a pulley part 100, a roller part 400, a rotation motor part 500, a connection part 700, a control part 800, a spring part 900, and a case part 1000. do.

The pulley unit 100 according to the present invention is a pulley device commonly used in the elevator industry to drive the lift 20 connected to the rope 10 installed in the elevator of a building, and the rope 10 is partially wound. It is a known component that rotates. Accordingly, as the lift 20 rises and falls, the rope 10 may be wound and released on the outer surface of the pulley part 100.

The rotation of the pulley part 100 may be recognized by the encoder 200.

The encoder 200 may be implemented as a rotary encoder, which is a type of encoder that measures a known rotation angle displacement, and is fixed to the rotating shaft of the pulley unit 100 to measure the rotation angle or rotation speed of the pulley unit 100 Thus, the moving direction of the rope 10 can be measured (here, the pulley part 100 is rotated around the pulley part axis (a) extending in the longitudinal direction as shown in FIGS. 2 and 3 ).

Alternatively, the rotation of the pulley unit 100 may be recognized by the motion sensor 300.

The motion sensor 300 is a known device that detects and measures an actual motion or environment, and may include, for example, an accelerometer, a gyroscope, a compass, a magnetic type, an optical type, and the like. The motion sensor 300 may be installed to be spaced apart from the rope 10 by a predetermined distance.

Therefore, in the present invention, the rotation of the pulley part 100 can be recognized by the encoder 200 directly coupled to the pulley part 100, and the rope 10 and a predetermined distance are separated from each other and are indirectly coupled. It can be recognized by the motion sensor 300. This can be applied selectively or both by those with knowledge in the field.

As above, the moving direction of the pulley unit 100 measured by the encoder 200 or the motion sensor 300 is transmitted to the controller 800.

The control unit 800 is a known control unit and receives the rotation signal of the pulley unit 100 from the encoder 200 or the motion sensor 300. After that, the rotation motor unit 500 and the length motor unit 600 may be controlled according to a signal received from the encoder 200 or the motion sensor 300. Since this can be stored and executed by a processor and an algorithm, which are known control technologies, a detailed description will be omitted.

Hereinafter, the rotation direction of the pulley unit 100 according to the rising and falling of the rope 10 is set for convenience and understanding of the description. 2, when the rope 10 is raised (Up), the pulley portion 100 rotates in a clockwise direction (CW). In addition, as shown in Figure 3, when the rope 10 is down (Down), the pulley portion 100 rotates in a counterclockwise direction (CCW).

Hereinafter, the roller unit 400 will be described in detail with reference to FIGS. 2 and 3.

The roller part 400 is provided with a first roller 410 and a second roller 420 in the same shape.

The first roller 410 and the second roller 420 may rotate around an axis in the longitudinal direction, and are positioned to be symmetrical with respect to the rope 10 to remove foreign substances from the outer surface of the rope 10. do.

The other sides of the first roller 410 and the second roller 420 are respectively coupled to a first rotation motor 510 and a second rotation motor 520. Here, the rotation motor unit 500 may be implemented as a motor, which is a known power machine that rotates by receiving power and generates rotational force of the first roller 410 and the second roller 420.

At this time, it is preferable that the first roller 410 and the second roller 420 rotate in the opposite direction of the rising and falling of the rope 10 by the rotation motor unit 500.

In detail, as shown in FIG. 2, if the rope 10 rises, the first roller 410 is counterclockwise (CCW) in a direction opposite to the rope 10 with respect to the axis b of the first roller. It is preferable to rotate. Conversely, if the rope 10 rises, the second roller 420 is preferably rotated in a clockwise direction (CW) opposite to the rope 10 with respect to the axis c of the second roller (Fig. 5a).

In addition, as shown in FIG. 3, if the rope 10 descends, the first roller 410 rotates in a clockwise direction (CW) opposite to the rope 10 based on the axis (b) of the first roller. desirable. Conversely, if the rope 10 descends, the second roller 420 is preferably rotated in a counterclockwise direction (CCW) opposite to the rope 10 based on the axis of the second roller (see FIG. 5B). .

Table 1 below shows the rotation directions of the pulley 100, the first roller 410 and the second roller 420 according to the rising and falling of the rope 10.

Rope(10) Pulley part (100) First roller (410) 2nd roller (420) Up CW CCW CW Down CCW CW CCW

Referring to Tables 1 and 5, if the control unit 800 receives a signal for the rotation direction of the pulley unit 100 from the encoder 200 or the motion sensor 300 in a clockwise direction (CW), Recognizing that the rope 10 rises, controlling the first rotary motor 510 to rotate the first roller 410 counterclockwise (CCW), and the second roller 420 clockwise (CW) It is possible to control the second rotary motor 520 to rotate.

In addition, the control unit 800 recognizes that the rope 10 descends when a signal for the rotation direction of the pulley unit 100 is received from the encoder 200 or the motion sensor 300 in a counterclockwise direction (CCW). And, the first rotation motor 510 is controlled so that the first roller 410 rotates in a clockwise direction (CW), and the second rotation motor 520 so that the second roller 420 rotates in a counterclockwise direction (CCW). ) Can be controlled (see Fig. 6).

Accordingly, since the first roller 410 and the second roller 420 are rotated in the direction opposite to the moving direction of the rope 10 by the control unit 800, a structure is formed in which the first roller 410 and the second roller 420 are rotated and scraped in the opposite direction to the rope 10, The effect of removing foreign substances attached to the outer surface of the rope 10 may be maximized.

In addition, the first roller 410 and the second roller 420 are provided with respective first brushes 411 and second brushes 421 coupled along the outer surface.

At this time, the first brush 411 and the second brush 421 can remove foreign substances in close contact with the outer surface of the rope 10, including various types of known brushes, and the first brush 411 ) And the second brush 421 is preferably provided with a first brush hair 4111 and a second brush hair 4211 having a predetermined angle from the surface of the first brush 411 and the second brush 421 Do.

The rope 10 undergoes a twisting operation of twisting a plurality of ropes such as ordinary twisting or langue twisting in order to improve tensile strength, fatigue life, and abrasion resistance, so that a diagonal groove exists on the outer surface of the rope 10. , A foreign material is deposited along the diagonal groove (see FIG. 7).

Therefore, the first brush hair 4111 and the second brush hair 4211 are the surfaces of the first brush 411 and the second brush 421 so as to correspond to the diagonal grooves of the rope 10 formed by the twisting operation. Having a predetermined angle from, there is an effect of improving the removal amount of foreign matter deposited on the outer surface of the rope 10.

In this case, in the present invention, the first roller 410 and the second roller 420 are characterized in that they can be moved in the longitudinal direction by the connection part 700.

One end of the connection part 700 is combined with the length motor part 600, and the other end is combined with the first roller 410 and the second roller 420 at the same time.

In other words, the connection part 700 is in the form of a'Y' jack, one end has one end and the other end has two ends, respectively, the first roller 410 and the second roller at the other side of the connection part 700. Each of the 420 is combined to have the advantage that the first roller 410 and the second roller 420 can independently move.

With reference to FIG. 4, the connection part 700 will be described in detail.

The connection part 700 is provided with an outer shaft 710, an inner shaft 720, and a support shaft 730.

The outer shaft 710 is a cylindrical shaft, and the other end has a diameter different from that of one end, and when the end faces from one end to the other end, an end is formed at one point. Further, the other end of the outer shaft 710 is inserted into the inner shaft 720. Accordingly, the inner shaft 720 is formed as a cylindrical shaft having a hollow portion so that the other end of the outer shaft 710 can be inserted. Accordingly, one end of the outer shaft 710 is coupled with the other end of the length motor part 600, and the other end of the outer shaft 710 is partially inserted into the inner shaft 720.

In addition, as shown in FIG. 4, it is preferable that the outer surface of the other end of the outer shaft 710 and the inner surface of the inner shaft 720 are formed with threads. Therefore, when the outer shaft 710 is rotated by the length motor part 600 coupled to one end of the outer shaft 710, the thread formed on the other end of the outer shaft 710 is It can be rotated along the thread formed on the side.

In this case, it is preferable that the outer shaft 710 and the inner shaft 720 are coupled to each other by a type of bearing, which is a mechanical element that is rotatably supported while supporting a load acting on the shaft or the housing. Therefore, when the outer shaft 710 rotates along the length motor part 600, the rotational motion can be changed into a linear motion between the outer shaft 710 and the inner shaft 720 due to bearing coupling.

Due to the above structure, the first roller 410 and the second roller 420 coupled at the other end of the support shaft 730, respectively, can move reciprocally in the longitudinal direction.

This means that the first roller 410 and the second roller 420 reciprocate in the longitudinal direction at the same time as they rotate, rather than being fixed and rotated at only one position. Since the area in which the roller 420 can contact is increased, the effect of removing foreign substances can be further maximized.

In addition, due to the mutually threaded structure of the outer shaft 710 and the inner shaft 720, there is an advantage in that the life of the device is increased because the frictional force is reduced and the movement is smooth.

In addition, according to the present invention, the other end of the support shaft 730 is divided into two ends so that the first roller 410 and the second roller 420 can be rotated independently. Here, the coupling of the other end of the support shaft 730 with the first roller 410 and the second roller 420 is a known bearing coupling, and even if one side with the support shaft 730 is coupled, the first roller 410 and The second roller 420 may be rotatable. This is a known technique and a detailed description thereof will be omitted.

As shown in FIG. 4, the other end of the support shaft 730 is preferably formed by being divided into a first roller shaft 731 and a second roller shaft 732 so as to have two axes in the longitudinal direction.

Accordingly, the first roller shaft 731 is inserted into the first roller 410, and the second roller shaft 732 is inserted into the second roller 420 to be coupled.

As above, the first roller 410 and the second roller 420 are inserted into the first roller shaft 731 and the second roller shaft 732, respectively, so that the first rotation motor 510 and the second rotation motor 520 ), the first roller 410 and the second roller 420 are rotated respectively, so that they can be independently driven as needed, thereby increasing work efficiency.

The spring unit 900 is provided in plural, and is preferably coupled to the other side of the first rotation motor 510 and the second rotation motor 520 and one side of the length motor unit 600.

The spring unit 900 is one of mechanical elements that absorbs and accumulates energy using the elastic deformation of an object to act as a buffer, etc., and the first roller 410 and the second roller 420 are connected to the rope ( In addition to inducing contact with the surface of 10), there is an effect of mitigating the impact generated while the first rotation motor 510 to the length motor part 600 are driven.

Hereinafter, the case unit 1000 will be described with reference to FIG. 8.

The case part 1000 has a hollow part in the shape of a box having a rectangular parallelepiped, and the parts may be inserted therein.

In addition, it is preferable that a pair of cutting portions 710 cut into a rectangular shape are provided on the upper and lower surfaces of the case unit 1000 so that the rope 10 extending in the vertical direction can pass.

In addition, since the case part 1000 is partially coupled with a ferromagnetic material and can be directly attached and detached to an anchor made of a metal surrounding the rope 10, there is an effect of overcoming a problem that was difficult to install on a conventional wall. Here, although not shown in the drawings, the anchor is formed by wrapping a plurality of ropes 10 spaced apart, and is a known technical configuration in which a plurality of anchors are formed by being spaced apart from the path in which the elevator moves.

In addition, since all the parts described inside the case unit 1000 are inserted, there is an advantage in that transportation is simple and work preparation time is omitted, thereby increasing work efficiency.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concept of the present invention defined in the following claims are also present. It belongs to the scope of rights of

10: rope, 20: lift,
100: pulley part, 200: encoder,
300: motion sensor, 400: roller part,
410: first roller, 411: first brush,
4111: first brush bristle, 420: second roller,
421: second brush, 4211: second brush hair,
500: rotation motor unit, 510: first rotation motor,
520: second rotation motor, 600: length motor part,
700: connection, 710: external shaft,
720: inner shaft, 730: support shaft,
731: first roller shaft, 732: second roller shaft,
800: control unit, 900: spring unit,
1000: case portion, 1100: cutting portion,
a: pulley shaft, b: first roller shaft,
c: second roller shaft.

Claims (7)

A pulley on which the rope is wound;
A roller part positioned symmetrically with respect to the rope at one point of the rope;
A rotation motor unit providing rotational power of the roller unit; And
Includes; a control unit for controlling the rotation direction of the rotation motor unit,
The roller part,
It is provided with a first roller and a second roller of the same shape,
When the pulley part rotates clockwise based on the axis of the pulley part,
The rope is raised and lowered, the first roller rotates counterclockwise, the second roller rotates clockwise,
When the pulley part rotates counterclockwise based on the axis of the pulley part,
As the rope descends, the first roller rotates clockwise, the second roller rotates counterclockwise,
A length motor part coupled to one side of the roller part; And
Further comprising a; a connection part coupled between the length motor part and the roller part,
The connection part,
An external shaft whose one end is coupled to the shaft of the length motor unit;
An inner shaft into which the other end of the outer shaft is inserted; And
One end portion is coupled to the inner shaft, the other end is provided with a support shaft coupled to the roller portion;
When the length motor part is rotated by the control unit,
As the outer shaft moves from the inner side of the inner shaft, the roller part can be moved longitudinally to one side or the other side, and the roller part can rotate clockwise or counterclockwise by the rotation motor part.
Sludge removal device for elevator ropes.
delete The method of claim 1,
The other end of the support shaft is divided into two ends so as to be inserted into the first roller and the second roller, respectively, so that the first roller and the second roller can be independently rotated by the rotation motor unit.
Sludge removal device for elevator ropes.
The method of claim 3,
Further comprising; an encoder fixed to the shaft of the pulley,
It is possible to directly measure the moving direction of the rope according to the rotation direction of the pulley part by the encoder.
Sludge removal device for elevator ropes.
The method of claim 4,
Further comprising; a motion sensor spaced apart from the rope by a predetermined distance,
It is possible to indirectly measure the moving direction of the rope according to the rotation direction of the pulley part by the motion sensor.
Sludge removal device for elevator ropes.
The method of claim 5,
The rotation motor part and the spring part coupled to the length motor part; further comprises,
The spring part has an elastic force so that the impact of the rotation motor part and the length motor part is alleviated.
Sludge removal device for elevator ropes.
The method of claim 6,
The outer surface of the other end of the outer shaft and the inner surface of one end of the inner shaft are formed with threads, so that the outer shaft and the inner shaft are interdigitated in a mutually threaded structure
Sludge removal device for elevator ropes.

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