KR20060083397A - Rope gauge of elevator - Google Patents

Abstract

The rope gauge 20 which detects the shape change of the rope of an elevator consists of the rope gauge main body 21, and the notch part 6 is provided in this rope gauge main body 21. As shown in FIG. The notch part 6 has the parts 6a, 6b, 6c in which the width | variety differs. The width | variety narrows in order toward the inner side part 6c from the outer side part 6a.

Rope, Geometry, Rope Gauge, Notch, Wire, Cutting.

Description

Rope gauge of elevator {ROPE GAUGE OF ELEVATOR}

1 is an overall schematic view of an elevator.

2 shows a first embodiment of a rope gauge of an elevator according to the present invention;

3 is a view showing a modification of the rope gauge of the elevator.

4 is a diagram showing a modification of the rope gauge of the elevator.

5 shows a modification of the rope gauge of the elevator.

6 is a view showing a modification of the rope gauge of the elevator.

7 is a view showing a modification of the rope gauge of the elevator.

8 is a diagram showing a modification of the rope gauge of the elevator.

9 shows a second embodiment of a rope gauge of an elevator according to the present invention;

10 is a diagram showing a modification of the rope gauge of the elevator.

11 is a view showing a modification of the rope gauge of the elevator.

The figure which shows the modification of the rope gauge of an elevator.

13 is a diagram showing a modification of the rope gauge of the elevator.

14 is a diagram showing a modification of the rope gauge of the elevator.

15 is a diagram showing a modification of the rope gauge of the elevator.

16 is a diagram showing a modification of the rope gauge of the elevator.

17 is a diagram showing a modification of the rope gauge of the elevator.

18 is a diagram showing a modification of the rope gauge of the elevator.

* Description of the symbols for the main parts of the drawings *

1: main rope

2: guide rail

3: hoist

4: elevator car

4a: ceiling

5: balance weight

6: notch

20: rope gauge

21: Rope Gauge Body

24: hoistway

25: worker

The present invention relates to an elevator rope gauge used to grasp the shape change of the rope of the elevator wire.

Conventionally, when detecting the shape change of the wire rope, the following operation was performed. That is, first, a worker rides on a car, puts the car to the top by inspection operation, and stops the car. On the car, the worker performs the main rope inspection of the range which is possible using direct view, acceleration, vernier calipers, etc.

After inspecting the range of ropes that can be inspected at the top, the worker lowers the car down by an inspection operation to inspect the main rope of the next range. The worker repeats this work until the car goes to the bottom.

In the case of 1: 1 roping in an elevator having a machine-room, the worker performs the above-mentioned inspection in the machine room, and in the case of 2: 1 roping, the worker described above on a car. The test is being done.

In the above-described detection method, it is a fact that it takes time to detect deformation, such as slight damage of the main rope. In addition, in the case of acceleration, when the wire of the main rope is cut | disconnected, a finger may be injured.

The present invention has been devised in view of this point, and an object thereof is to detect a slight rope shape damage easily and quickly.

The present invention is a rope gauge for detecting damage to an elevator rope shape, comprising a rope gauge body, and a notch portion having an opening through which a rope is inserted is provided in the rope gauge body. That is the rope gauge of the elevator.

The present invention is a rope gauge of an elevator characterized in that the notch portion of the rope gauge body has a reference width notch having a width that matches the nominal diameter of the rope.

The notch portion of the rope gauge body is an elevator rope gauge further comprising a near width notch having a width near the nominal diameter of the rope.

The present invention is a rope gauge of an elevator characterized in that the reference width notch and the vicinity width notch of the notch portion are arranged side by side on one edge of the rope gauge body.

The present invention is a rope gauge of an elevator characterized in that a plurality of nominal diameters of ropes are provided, and reference width notches and near width notches are provided respectively corresponding to the nominal diameters of each rope.

According to the present invention, the notch portion of the rope gauge body includes a reference width portion having a width that matches the nominal diameter of the rope, and a stepped portion including a near width portion installed in series with the reference width portion and having a width near the nominal diameter of the rope. It is a rope gauge of an elevator characterized by having a notch.

The present invention is a rope gage of an elevator, characterized in that a plurality of nominal diameters of the ropes are provided, and stepped notches corresponding to the nominal diameters of the ropes are provided, respectively.

The notch part of a rope gauge main body is a rope gauge of an elevator characterized by having the stepped notch which consists of a several part from which the width | variety differs.

The present invention is a rope gauge of an elevator, characterized in that a plurality of nominal diameters of ropes are set, and a stepped notch corresponding to the nominal diameter of each rope is set in parallel to one edge of the rope gauge body.

According to the present invention, the rope gauge main body can be divided into main body parts corresponding to respective stepped notches, and the main body parts are connected to each other by a connecting member.

According to the present invention, two nominal diameters of ropes are set, and stepped notches corresponding to the nominal diameters of the ropes are arranged orthogonally to one end of the rope gauge main body. .

The present invention is a rope gauge of an elevator, characterized in that the notch portion of the rope gauge body is provided with a marking for determining whether the rope has reached an exchange criterion.

The rope gauge of an elevator is provided with the wire breaking detection function of a rope in the notch part of a rope gauge main body.

The present invention is a rope gauge of an elevator characterized in that the means for mounting on the body of the worker to the rope gauge body.

This invention is a rope gauge of an elevator provided with the coating material which is easy to remove an oil in the notch part inner surface of a rope gauge main body.

The present invention is a rope gauge of an elevator, characterized in that a specific width portion having a specific width in the rope gauge body.

The present invention is a rope gauge of an elevator, characterized in that the inclined portion is provided on the opposite side of the notch portion of the rope gauge body.

According to the present invention, it is possible to detect the shape damage of the main rope in a short time as compared with the case of using direct view, acceleration, and nogis.

According to the present invention, it is possible to reliably inspect from the main rope immediately after the start of use to the main rope thinned by aging change.

According to the present invention, since one rope gauge can be used to cope with a plurality of rope diameters, the convenience can be improved.

According to the present invention, a plurality of main ropes can be inspected at the same time, and the inspection time can be shortened.

According to the present invention, at the same time as detecting the damage to the rope, it is possible to judge the rope replacement by the reduction of the rope diameter and to detect the breakage of the wire, so that the convenience can be improved.

As described above, according to the present invention, when detecting the shape damage of the main rope, it is possible to detect the shape damage of the main rope in a short time as compared with the case of using direct view, acceleration, and nogis. In addition, injuries to the fingers can be prevented as compared with the case of promoting the main rope.

<First Embodiment>

Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. 1 and 2 are diagrams showing a first embodiment of the present invention.

First, the whole elevator without a machine room is demonstrated by FIG. As shown in FIG. 1, an elevator without a machine room includes an elevator car 4 that moves up and down along the guide rail 2, a hoist 3 provided on the upper part of the guide rail 2, and an elevator. The car 4 is provided with a counterweight 5 connected via a wire main rope 1. The main rope 1 hangs over the elevator car 4, the hoist 3 and the counterweight 5.

In addition, when detecting the shape change of the rope, for example, the shape damage, the worker 25 climbs up the ceiling 4a of the elevator car 4 and uses the elevator rope gauge 20 described later to inspect the work. It is supposed to do.

Next, the rope gauge of an elevator is demonstrated with reference to FIG. As shown in FIG. 2, the rope gauge 20 consists of the rope gauge main body 21, and the notch part 6 is provided in this rope gauge main body 21. As shown in FIG.

This notch part 6 has an opening into which the main rope 1 is inserted. In addition, the notch part 6 is arranged in series and becomes the stepped notch which has several part 6a, 6b, 6c in which the width | variety differs. In this case, the width | variety of the outer part 6a is largest, the width | variety of the middle part 6b is next largest, and the width | variety of the inner part 6c is the smallest.

Next, the inspection method of the shape change of a rope and shape damage is demonstrated.

First, the worker 25 climbs up the ceiling 4a of the elevator car 4, places the car 4 to the uppermost part of the hoistway 24 by inspection operation, and stops the car 4. Next, as shown in FIG. 2, the worker 25 inserts the main rope 1 from the AA direction into the outer portion 6a having the largest width among the notches 6 of the rope gauge 20. . The worker 25 puts the main rope 1 in the middle part 6b if the actual rope diameter is narrower than the width of the outer part 6a, and the inner part if the rope diameter is narrower than the width of the middle part 6b. The main rope 1 is put into 6c.

And the worker 25 moves the rope gauge 20 up and down along the main rope 1, and confirms whether the rope gauge 20 is caught. When the rope gauge 20 is caught, the worker 25 determines that there is damage in shape at that portion of the main rope 1.

When the rope gauge 20 is not caught, the worker 25 moves the insertion direction by 90 ° with respect to the site of the same rope 1 (BB direction), and again moves the main rope 1 to the rope gauge 20. Is inserted into the notched portion (6). And the worker 25 moves the rope gauge 20 up and down along the main rope 1, and confirms whether the rope gauge 20 is caught. When the rope gauge 20 is caught, the worker 25 determines that there is damage in shape at that portion of the main rope 1.

When all the ranges of the inspectable rope 1 are inspected at the top of the hoistway 24, the elevator car 4 is lowered by the inspection operation. The worker 25 detects the shape damage of the rope 1 by the above method using the rope gauge 20 in the next rope range. The worker 25 repeats this until the elevator car 4 reaches the bottom of the hoistway 24.

According to this embodiment, some shape damage of the main rope 1 can also be detected.

In addition, this invention is not limited to the elevator which does not have a machine room, It is applicable also to the elevator which has a machine room. At this time, in the case of 1: 1 roping, the detection work is performed in a machine room (not shown), and in the case of 2: 1 roping, the worker 25 performs the detection work on the ceiling 4a of the elevator car 4. .

Next, the modified example of the rope gauge 20 is demonstrated with reference to FIGS.

The modified example of the rope gauge 20 shown to FIG. 3 thru | or 8 differs in the shape of a notch part.

As shown in FIG. 3, the rope gauge 20 has a notch 7, which has three notches 7a, 7b and 7c. Among them, the notch 7b is a reference width notch having a width corresponding to the nominal diameter of the main rope 1, and the notch 7a is a near width notch having a width near the nominal diameter (nominal diameter + alpha). It is. The notch 7c is a near width notch having a width around the nominal diameter (nominal diameter-alpha).

These notches 7a, 7b, 7c are arranged side by side on one edge of the rope gauge main body 21.

Next, the rope gauge 20 shown in FIG. 4 has the notch part 8, and this notch part 8 is notch 8a, 8b, 8c arrange | positioned side by side at the edge of the gauge main body 21, It has notches 8d, 8e, 8f arrange | positioned side by side at the other edge of the gauge main body 21. As shown in FIG.

In addition, two nominal diameters (nominal diameter 1 and nominal diameter 2) of the main rope 1 are set. The notch 8b is a reference width notch having a width corresponding to the nominal diameter 1, and the notch 8a is a near width notch having a width of about 1 nominal diameter (nominal diameter 1 + α). The notch 8c is a near width notch having a width of about 1 nominal diameter (nominal diameter 1-α).

In addition, the notch 8e is a reference width notch having a width corresponding to the nominal diameter 2, and the notch 8d is a near width notch having a width of about 2 nominal diameters (nominal diameter 2 + α), The notch 8f is a near width notch having a width of about 2 nominal diameters (nominal diameter 2-α).

In FIG. 4, the shape damage of the rope can be detected corresponding to the two nominal diameters of the main rope 1.

Next, the rope gauge 20 shown in FIG. 5 is provided with a notch 9 in the rope gauge main body 21, and the notches 9 are arranged in series and have a plurality of portions 9a having different widths. , 9b, 9c). Among these, the width | variety narrows in order toward the part 9c from the part 9a.

In FIG. 5, FIG. 5A is a plan view of the rope gauge 20, FIG. 5B is a side view of the rope gauge 20, and FIG. 5C is FIG. 5B. CC line cross section of a.

In FIGS. 5A to 5C, the outer portion 9a that is opened outward is a portion having a width near the nominal diameter of the main rope 1 (nominal diameter + alpha), The inner portion 9b is a reference width portion having a width corresponding to the nominal diameter of the main rope 1, and the inner portion 9c is near the nominal diameter of the main rope 1 (nominal diameter α). It has a width part near it.

Next, the rope gauge 20 shown in FIG. 6 is provided with a notch 10 in the rope gauge main body 21, and the notches 10 are arranged in series and have a plurality of portions 10a having different widths. , 10b, 10c, 10d, 10e, and 10f). Among these, the width | variety narrows in order toward the part 10f from the part 10a.

The main rope 1 has two nominal diameters (nominal diameter 1 and nominal diameter 2). In the notch 10, the portion 10a is a near width portion having a width around the nominal diameter (nominal diameter 2 + α), and the portion 10b is a reference width portion having a width corresponding to the nominal diameter 2. The portion 10c is a portion having a width near the nominal diameter (nominal diameter 2-α).

Similarly, the portion 10d is a near width portion having a width around the nominal diameter (nominal diameter 1 + α), and the portion 10e is a reference width portion having a width corresponding to the nominal diameter 1, the portion 10f is a vicinity width portion having a width around the nominal diameter (nominal diameter 1-α).

Next, in the rope gauge 20 shown in FIG. 7, the notch part 11 is provided in the edge and the other edge of the rope gauge main body 21, respectively.

The notch part 11 has a stepped notch having a plurality of portions 11a, 11b, and 11c, each of which has a different width and gradually narrows inward from the outside to the inside, and a width in the order from the outside to the inside at the same time having different widths. It becomes the stepped notch which has this narrowing some part 11d, 11e, 11f.

The widths of the portions 11a, 11b, 11c, 11d, 11e, and 11f are nominal diameter 1 + α, nominal diameter 1, nominal diameter 1-α, nominal diameter 2 + α, nominal diameter 2 and nominal diameter 2-, respectively. α.

Next, in the rope gauge 20 shown in FIG. 8, one notch part 12 is provided at one edge of the rope gauge main body 21, and two notch parts (at the other edge of the rope gauge main body 21). 12) is installed. In this case, each notch part 12 is provided in the rope gauge main body 21 in the zigzag shape.

Each notch 12 is a stepped notch having a plurality of portions 12a, 12b, and 12c, each of which has a different width and in turn is narrowed inward from the outside, in turn from the outside to the inside at a different width. Stepped notches having a plurality of portions 12d, 12e, and 12f narrowing in width, and stepped having a plurality of portions 12g, 12h, 12i narrowing in sequence from the outside at the same time and from the outside at the same time. It is notched.

Among these, the widths of the portions 12a, 12b, 12c, 12d, 12e, 12f, 12g, 12h, 12i are nominal diameter 1 + α, nominal diameter 1, nominal diameter 1-α, nominal diameter 2 + α, and nominal diameter, respectively. 2, nominal diameter 2-α, nominal diameter 3 + α, nominal diameter 3, and nominal diameter 3-α.

In addition, the rope gauge 20 shown in FIG. 8 can correspond to three main ropes 1 with different nominal diameters (nominal diameter 1, nominal diameter 2, and nominal diameter 3).

Second Embodiment

Next, the second embodiment of the present invention will be described with reference to Figs. In the present embodiment, the same reference numerals are attached to the same parts in the first embodiment shown in Figs. 1 to 8, and detailed description thereof will be omitted.

As shown in FIG. 9, the rope gauge 20 has the rope gauge main body 21, and the notch part 13 is provided in this rope gauge main body 21. As shown in FIG.

As shown in FIG. 9, three notch parts 13 are provided and each notch part 13 is provided in parallel at one edge of the rope gauge main body 21. As shown in FIG.

Each notch 13 is a stepped notch having a plurality of portions 13a, 13b, and 13c which are different in width from each other and gradually narrow in width from the outside toward the inside.

In this case, on the basis of the nominal diameter of the main rope 1, the widths of the portions 13a, 13b and 13c are respectively nominal diameter + alpha, nominal diameter and nominal diameter-alpha.

Next, a modification of the rope gauge 20 will be described with reference to FIGS. 10 to 18.

As shown in FIG. 10, three notches 13 are provided side by side on one edge of the rope gauge main body 21 of the rope gauge 20. Each notch 13 is a stepped notch having a plurality of portions 13a, 13b, and 13c which are different in width from each other and gradually narrow in width from the outside toward the inside.

In addition, the rope gauge main body 21 can be divided into three main body parts 21a, 21a, 21a corresponding to each notch part 13. As shown in FIG. In addition, the main body parts 21a, 21a, 21a are connected to each other by the connection part 30 which consists of a bolt 30a and the nut 30b.

Next, as shown to (a)-(c) of FIG. 11, a pair of notch parts 14 and 15 are provided orthogonally to one end of the rope gauge main body 21 of the rope gauge 20. As shown to FIG. .

Here, FIG. 11A is a front view of the rope gauge 20, FIG. 11B is a side view thereof, and FIG. 11C is a plan view thereof.

As shown in FIGS. 11A to 11C, the rope gauge main body 21 has a substantially rectangular parallelepiped shape, and a pair of notches 14 provided at right angles to one end of the rope gauge main body 21. 15) detects the main rope 1 having a nominal diameter 1 and a nominal diameter 2, respectively.

Each notch portion 14 is made of a stepped notch having a plurality of portions 14a, 14b, and 14c which are different in width from each other and gradually narrowed inwardly from the outside to the inside, and the notch portions 15 have widths each other. At the same time, it is a stepped notch having a plurality of portions 15a, 15b, and 15c that are gradually narrowed from the outside toward the inside.

Among these, the widths of the portions 14a, 14b, and 14c are nominal diameters 1 + α, nominal diameters 1, and nominal diameters 1-α, respectively, and the widths of the portions 15a, 15b, and 15c are respectively nominal diameters 2 + α. , Nominal diameter 2, and nominal diameter 2-α.

As shown in FIG. 12, the rope gauge 20 has a rope gauge body 21, and the rope gauge body 21 has a notch portion 16 formed of a stepped notch having portions 16a, 16b, and 16c. Is installed.

Among them, the widths of the portions 16a, 16b, and 16c are respectively the nominal diameter + alpha, the nominal diameter, and the nominal diameter-alpha of the main rope 1. In addition, near the part 16c of the rope gauge main body 21, when the main rope 1 reaches this part 16c, the marking which informs the worker 25 of the replacement time of the main rope 1 ( 31). As this marking 31, a character such as red line or "exchange" can be considered.

As shown in FIG. 13, the rope gauge 20 has a rope gauge main body 21. The rope gauge main body 21 is provided with the notch part 6 which consists of a stepped notch which has the parts 6a, 6b, 6c.

Among them, the widths of the portions 6a, 6b, 6c are the nominal diameter + alpha, the nominal diameter and the nominal diameter-alpha of the main rope 1, respectively. In addition, the wire gauge break detection means 6A, 6B of the main rope 1 is provided in the rope gauge main body 21.

As such wire break detection means 6A, 6B, the coil (not shown) is wound in the location of the rope gauge main body 21 corresponding to a notch part, for example. The coil is configured to be connected to the controller 31 and flows in current, and it is possible to generate an electric magnetic field around the coil by flowing a current through the coil. This configuration causes a change in the magnetic field generated around the rope wire break detection means when the wire break break point of the main rope 1 passes through the wire break break detection means 6A, 6B, so that the wire break can be detected. have.

As shown in FIG. 13, the element wire break detection means 6A, 6B is connected to the controller 31, and when the element wire break detection means 6A, 6B detects the element wire break of the main rope 1, the controller ( 31) an alarm or the like is issued.

As shown in FIG. 14, the rope gauge 20 has a rope gauge main body 21. The rope gauge main body 21 is provided with the notch part 6 which consists of a stepped notch which has the parts 6a, 6b, 6c. Among them, the widths of the portions 6a, 6b, 6c are the nominal diameter + alpha, the nominal diameter and the nominal diameter-alpha of the main rope 1, respectively.

In addition, a wrist band 32 mounted to the wrist of the worker 25 is connected to the rope gauge body 21 via a wire 32a. It is also possible to use a chain instead of the wire 32a.

In FIG. 14, even when the wire of the main rope 1 is caught by the rope gauge 20 and the rope gauge 20 is pulled out of the hands of the worker 25 during the inspection work, the rope gauge 20 remains in the elevator hoistway ( 24) Do not fall inside.

As shown in FIG. 15, the rope gauge 20 has a rope gauge main body 21. The rope gauge 20 is provided with a notch portion 17 formed of a stepped notch having portions 17a, 17b, and 17c. Among them, the widths of the portions 17a, 17b, 17c are the nominal diameter + alpha, the nominal diameter, and the nominal diameter-alpha of the main rope 1, respectively.

Moreover, the coating material 33 which is easy to remove an oil content is apply | coated to the inner surface of the notch part 17. As shown in FIG. Thus, by applying the coating material 33 which is easy to remove oil from the inner surface of the notch part 17, after detecting the main rope 1 using the rope gauge 20, the main rope 1 Even if the oil component is attached to the notch portion 17 inner surface of the rope gauge body 21, the oil component can be easily removed.

As shown in FIG. 16 and FIG. 17, the rope gauge 20 has a rope gauge main body 21. This rope gauge main body 21 is provided with the notch part 18 which consists of a stepped notch which has parts 18a, 18b, and 18c. Among them, the widths of the portions 18a, 18b, and 18c are the nominal diameter + alpha, the nominal diameter, and the nominal diameter-alpha of the main rope 1, respectively.

Moreover, as shown in FIG. 16, the specific width part which has a specific width (for example, the same width as the door gap dimension x) in the front end side of the part 18a of the rope gauge main body 21. As shown in FIG. 36 is provided. In addition, as shown in FIG. 17, specific width portions 36a and 36b each having a width equal to the door gap dimension x may be provided on the pair of tip ends of the portion 18a of the rope gauge main body 21.

As shown in FIG. 18, the rope gauge 20 has a rope gauge main body 21. The rope gauge main body 21 is provided with the notch part 6 which consists of a stepped notch which has the parts 6a, 6b, 6c. Among them, the widths of the portions 6a, 6b, 6c are the nominal diameter + alpha, the nominal diameter and the nominal diameter-alpha of the main rope 1, respectively.

Moreover, the inclination part 35 is provided in the rope gauge main body 21 on the opposite side to the notch part 6. The worker 25 can utilize this inclined portion 35 as a door stopper.

According to the present invention as described above, damage to the rope shape can be detected easily and quickly.

Claims (15)

Rope gauge for detecting the change in the shape of the rope of the elevator at the same time, Consists of a rope gauge body, The rope gauge body is provided with a plurality of notches in which the rope is inserted. The notch has a reference width notch having a width that matches the nominal diameter of the rope, and a nearby width notch having a width near the nominal diameter of the rope, A first determination is made to determine which part of the rope there is a change in shape of the rope by moving either the reference width notch portion or the vicinity width notch portion along the vertical direction of the rope, When there is no change in the shape of the rope by the first determination, the rope determination of the elevator is performed by changing the insertion direction of the rope gauge with respect to the rope and performing the first determination again. . The method of claim 1, And the reference width notch and the vicinity width notch of the notch portion are arranged side by side on one edge of the rope gauge body. The method of claim 1, The nominal diameter of the rope is provided in plural, Corresponding to the nominal diameter of each of the ropes, the rope width gauge of the elevator, characterized in that each of the reference width notch and the adjacent width notch portion is provided. Rope gauge for detecting the change in the shape of the rope of the elevator at the same time, Consists of a rope gauge body, The rope gauge body is provided with a plurality of notches in which the rope is inserted. The notch portion of the rope gauge body is a stepped notch comprising a reference width portion having a width that matches the nominal diameter of the rope, and a near width portion installed in series with the reference width portion and having a width near the nominal diameter of the rope. At the same time, A first determination is made to determine which part of the rope there is a change in shape of the rope by moving the notch along the up and down direction of the rope, When there is no change in the shape of the rope by the first determination, the rope determination of the elevator is performed by changing the insertion direction of the rope gauge with respect to the rope and performing the first determination again. . The method of claim 4, wherein The nominal diameter of the rope is provided in plural, An elevator rope gauge, wherein stepped notches corresponding to the nominal diameters of the respective ropes are provided respectively. The method of claim 1, The rope gauge of the elevator, characterized in that the notch portion of the rope gauge body has a stepped notch consisting of a plurality of portions having different widths. The method of claim 4, wherein The nominal diameter of the rope is set in plural, The stepped notch corresponding to the nominal diameter of each said rope is set in parallel to one edge of the said rope gauge main body, The rope gauge of the elevator characterized by the above-mentioned. The method of claim 7, wherein The rope gauge body can be divided into body parts corresponding to respective stepped notches, And said main body parts being connected to each other by a connecting member. The method of claim 4, wherein The nominal diameter of the rope is set two, The stepped notch corresponding to the nominal diameter of each said rope is arrange | positioned orthogonally to one end of a rope gauge main body, The rope gauge of the elevator characterized by the above-mentioned. The method of claim 1, An elevator rope gauge, characterized in that the notch portion of the rope gauge body is provided with a marking for determining whether the rope has reached an exchange criterion. The method of claim 1, An elementary wire breakage that forms an electric magnetic field at a portion corresponding to the notch portion of the rope gauge main body and detects an element breakage point of the rope from a change in the magnetic field when the rope passes. An elevator rope gauge having a detection function. The method of claim 1, The rope gauge of the elevator characterized in that the means for mounting on the body of the worker to the rope gauge body. The method of claim 1, The rope gauge of the elevator provided with the coating material which is easy to remove an oil in the notch part of the said rope gauge main body. The method of claim 1, The rope gauge of the elevator, characterized in that a specific width portion having a specific width is installed in the rope gauge body. The method of claim 1, The rope gauge of the elevator characterized by the inclination part provided in the opposite side of the notch part among the said rope gauge bodies.

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