KR100661442B1 - Alignment error detecting device for guiderail of elevator - Google Patents

Abstract

The present invention relates to a guide rail alignment error measuring device of an elevator to more easily and safely measure the alignment error of the elevator guide rail. The guide rail alignment error measuring apparatus of the present invention extends from the reference portion and the reference portion having a first flat surface attached to the lower guide rail of the two guide rails to be vertically installed vertically connected in the hoistway of the elevator And a measuring unit having a second flat surface facing each other at a predetermined distance from the upper guide rail connected to the upper end of the lower guide rail, and provided in the measuring unit to measure an alignment error value of the upper guide rail with respect to the lower guide rail. It includes a gap measuring member. One side of the reference portion is provided with a magnetic body in contact with the guide rail, the gap measuring member is made of a dial gauge having a measuring pin. The upper end of the measuring unit is provided with a receiving groove for supporting the dial gauge such that the measuring pin of the dial gauge is in contact with the upper guide rail at a right angle.

Elevator, Guide rail, Alignment error, Dial gauge, Level

Description

Guide rail alignment error measuring device of elevator {ALIGNMENT ERROR DETECTING DEVICE FOR GUIDERAIL OF ELEVATOR}

1 is a perspective view showing a guide rail alignment error measuring device of a conventional elevator,

Figure 2 is a perspective view showing a guide rail alignment error measuring device of an elevator according to an embodiment of the present invention,

Figure 3 is an exploded perspective view showing the installation structure of the dial gauge of the guide rail alignment error measuring apparatus according to the present invention,

Figure 4 (a) and (b) is a perspective view showing an operating state of the alignment error measuring device according to the present invention for measuring the alignment error in the x direction and y direction of the upper guide rail with respect to the lower guide rail, respectively,

Figure 5 is a perspective view showing a guide rail alignment error measuring device of an elevator according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

2: upper guide rail

4: lower guide rail

20: alignment error measuring device

22: reference

23: step

24: measuring unit

26: gap measuring member

28: mounting section

29: level

The present invention relates to an elevator, and more particularly, to an apparatus for measuring an alignment error of an elevator guide rail.

In general, a plurality of guide rails are connected to each other and vertically installed in the hoistway of the elevator to guide the shanghai dong of the elevator car, and the guide rollers installed on the elevator car along the guide rail move up and down while contacting the clouds. As time passes, a step is generated in the connection portion of the guide rail due to the weight of the guide rail and the load of the elevator car. In addition, the step of the connecting portion of the guide rail causes vibrations during the operation of the elevator car, causing passengers to feel insecure. In order to solve this problem, it is important to periodically check the alignment error of the guide rail and to keep it within the allowable reference value. For this purpose, an elevator guide rail alignment error measuring device is used.

As shown in FIG. 1, the conventional guide rail alignment error measuring apparatus 10 is formed of a kind of straightedge, which is manufactured so that at least one surface 12 has an accurate straightness, and is connected to each other. The straight surface 12 is in close contact with the connection between the guide rails (2, 4). When the upper guide rail 2 is inclined with respect to the lower guide rail 4, a gap is formed between the upper guide rail 2 and the straight surface 12 of the alignment error measuring device 10. The operator checks the alignment between the upper and lower guide rails 2 and 4 by measuring the size of the gap using a tool such as the naked eye or a gap gauge.

However, in the measurement by the conventional guide rail alignment error measuring device, the alignment state of the guide rails depends on the gap measurement using the naked eye or the gap gauge. It was not known at a time, and it was difficult to represent numerically accurately, so there was a problem in that the measurement accuracy was very low. In particular, the assembly quality of the guide rail has more influence on its operation as the speed of the elevator car becomes higher. Therefore, the alignment quality of the guide rail can be improved and the alignment is corrected only by the conventional alignment error measuring device. There was a limit to making adjustments. In addition, the installation contractor or maintenance worker holding the alignment error measuring device with one hand, holding the gap gauge with the other hand to measure, there was a problem that there is always a risk of safety accidents such as falling.

The present invention is to solve the problems of the prior art, an object of the present invention is to provide a guide rail alignment error measuring device of the elevator to measure the alignment error of the elevator guide rail more easily, accurately and safely.

The guide rail alignment error measuring apparatus of the elevator according to an embodiment of the present invention for achieving the above object is first attached to the lower guide rail of the two guide rails to be vertically installed vertically connected in the elevator hoistway A measuring unit having a reference portion having a flat surface, a second flat surface extending from the reference portion, and opposed to the upper guide rail connected to an upper end of the lower guide rail at a predetermined interval, and facing the lower guide rail; It includes a gap measuring member for measuring the alignment error value of the upper guide rail for the.

The guide rail alignment error measuring apparatus of an elevator according to another embodiment of the present invention has a first flat surface attached to a lower guide rail of two measurement target guide rails vertically connected vertically in an elevator hoistway. A first measuring part having a reference part, a second flat surface facing a predetermined distance from an upper guide rail extending from the first reference part and connected to an upper end of the lower guide rail; First alignment error measuring means including a gap measuring member for measuring an alignment error value of the upper guide rail with respect to the rail; A second reference portion having a third flat surface attached to the lower guide rail, a second measurement portion extending from the second reference portion and having a fourth flat surface facing a predetermined distance apart from the upper guide rail, and a second measurement The second alignment error measuring means and the second alignment error measuring means and the second alignment error measuring means including a gap measuring member for measuring the alignment error value of the upper guide rail with respect to the lower guide rail, They are arranged and connected in parallel to each other, and the first flat surface and the third flat surface are adjacent to each other to form a right angle.

One side of the first reference portion and the second reference portion is provided with a magnetic body in contact with the guide rail, the gap measuring member is made of a dial gauge having a measuring pin. An upper end of the first measuring unit and the second measuring unit is provided with a receiving groove for supporting the dial gauge such that the measuring pins of the dial gauge contact the upper guide rail at a right angle.

On one side of the first misalignment measuring means and the second misalignment measuring means, a level is mounted at right angles to the first flat surface.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

Figure 2 is a perspective view showing a guide rail alignment error measuring device of an elevator according to an embodiment of the present invention.

As shown, the guide rail alignment error measuring apparatus 20 according to the present invention is in close contact with the lower guide rail (4) of the upper and lower guide rails (2) and the lower guide rail (4) connected to measure the alignment error The reference part 22, the measuring part 24 extended linearly from the upper end of the reference part 22, and the clearance measuring member 26 provided in the vicinity of the front-end | tip of the measuring part 24 are included.

The reference portion 22 is formed to have a first flat surface 22a in close contact with the lower guide rail 4 with an accurate straightness like a known straightedge. One side of the reference portion 22 forms the same plane as the first flat surface 22a in contact with the guide rail 4 so that the reference portion 22 can be easily mounted and detached from the guide rail made of steel. Magnetic material 25 is mounted. Of course, instead of having the separate magnetic material 25 to be mounted on the reference portion 22, the reference portion 22 itself may be formed of a magnetic material.

The measurement unit 24 extends a predetermined length from the tip of the reference unit 22 toward the upper guide rail 2 and is spaced apart from the upper guide rail 2 from the first flat surface 22a of the reference unit 22 by a predetermined distance. It is formed to have a second flat surface (24a) formed stepped to be spaced apart. The second flat surface 24a also has an accurate straightness and faces the upper guide rail 2. It is preferable to set the length of the measurement part 24 to about 300 mm.

As shown in FIG. 3, a pair of mounting portions 28 branched in a substantially " U " shape and extended integrally at the leading end, that is, the upper end of the measuring portion 24, for the installation of the gap measuring member 26 are provided. It is provided. As the gap measuring member 26, a dial gauge of a digital type or an analog type is used, and it is desirable to have a precision of approximately 1/100 mm to 1/200 mm. On the mutually opposing surfaces of the pair of mounting portions 28, the stem 26a for supporting the measuring pin 26b so that the measuring pin 26b of the dial gauge 26 is in contact with the upper guide rail 2 at a right angle. A receiving groove 28a is formed to surround and support the outer circumferential surface. These pairs of mounting portions 28 are tightened to be close to each other by bolts or the like, so that the stem 26a of the dial gauge 26 comes into close contact with the receiving groove 28a to prevent separation of the dial gauge 26. . In addition, the horizontal gauge 29 is disposed on one surface of the measuring unit 24 or the reference unit 22 so as to be perpendicular to the first flat surface 22a to determine whether the lower guide rail 4 is vertical. Do it. Since the horizontal system 29 is a known technique, description thereof will be omitted.

4 (a) and 4 (b) show an operating state for measuring misalignment of the upper guide rail 2 in the x direction and the y direction (see FIG. 3) with respect to the lower guide rail 4, respectively. .

First, the alignment error measuring device 20 of the present invention is placed on the guide rail at the construction site where the linearity is verified or the elevator is installed, and the zero point of the dial gauge 26 is adjusted for the straightness of the guide rail. Is carried out. After the zero adjustment is completed, the lower guide rail (4) on one side of the lower guide rail (4) located on the lowermost floor in the hoistway by using the magnetic force of the magnetic body (25) mounted on the reference portion (22) of the alignment error measuring device (20). The first flat surface 22a of the reference section 22 is brought into close contact with the edge of the reference section, and the step 23 between the reference section 22 and the measurement section 24 is the upper guide rail 2 and the lower guide. Match the boundary line 6 between the rails 4. When the upper guide rail 2 is inclined in the x direction or the y direction of the xy coordinate defined in FIG. 3 with respect to the lower guide rail 4, the dial gauge 26 adjusts an alignment error value corresponding to the degree of inclination. Will be measured. At this time, the measured value of the dial gauge 26 is approximately at the length of the measuring section 24, for example, 300 mm from the boundary line 6 of the lower guide rail 4 and the upper guide rail 2. As a value, the inclined direction and angle of the upper guide rail 2 can be calculated through this.

In particular, since the second flat surface 24a of the measuring unit 24 faces the upper guide rail 2 at a predetermined gap, the upper guide rail 2 is defined in FIG. 3 with respect to the lower guide rail 4. It is possible to measure not only the alignment error of the xy coordinate in the -x and -y directions but also the alignment error of the + x and + y directions. At the same time, it is also possible to measure whether the lower guide rail 4 is vertically installed using the horizontal gauge 29.

In this way, the alignment error is measured from the guide rail located on the lowest floor to the guide rail located on the top floor when the first elevator is constructed or the maintenance of the existing elevator is installed. The guide rail can be calibrated so that it can be connected.

5 is a perspective view showing a guide rail alignment error measuring device of an elevator according to another embodiment of the present invention.

As shown, the alignment error measuring apparatus of the present embodiment extends from the first reference portion 32 and the first reference portion 32 having the first flat surface 32a attached to the lower guide rail 4 and the upper side thereof. The upper guide rail with respect to the lower guide rail 4 provided in the first measuring part 34 and the first measuring part 34 having the second flat surface 34a facing away from the guide rail 2 by a predetermined distance. A first alignment error measuring means 30 including a dial gauge 36, which is a gap measuring member for measuring the alignment error value of (2), and a third flat surface 32a 'attached to the lower guide rail 4; 2nd measuring part 32 'which has (), and the 2nd measuring part which has the 4th flat surface 34a' which extends from the 2nd reference part 32 ', and opposes spaced apart from the upper guide rail 2 at predetermined intervals. (34 '), the dial gauge for measuring the alignment error value of the upper guide rail (2) with respect to the lower guide rail (4) provided in the second measuring section (34') (36 ') and a second alignment error measurement means (30, comprising a'). The first misalignment measuring means 30 and the second misalignment measuring means 30 'are arranged in parallel to each other, and the first flat surface 32a and the third flat surface 32a' are adjacent to each other. Make a right angle. Therefore, the alignment error measuring apparatus of this embodiment is characterized in that the alignment errors in the x and y directions of the guide rails 2 and 4 can be simultaneously measured by one mounting. Reference numerals 35 and 35 'are provided on one side of the first and second reference portions 32 and 32' so that the first and second reference portions 32 and 32 'can be easily mounted and detached from the guide rail. 39 is a magnetic material, and the lower guide rail 4 is disposed at a side perpendicular to the first flat surface 32a on either side of the first alignment error measuring means 30 or the second alignment error measuring means 30 '. It is a horizontal system to judge whether or not vertical.

Each of the first and second alignment error measuring means 30 and 30 'is identical in structure to the alignment error measuring apparatus 20 (see FIGS. 2 and 3) of the previous embodiment as described above, and thus its detailed structure and effect Description of the description is omitted.

The present invention is not limited to the above embodiments, and various modifications may be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims.

As described above in detail, the guide rail alignment error measuring apparatus of the elevator according to the present invention is provided with a magnetic body at the reference portion, and is easily mounted and detached from the guide rail to be measured, and a gap measuring member such as a dial gauge is integrally formed. Since the alignment error value of the upper guide rail with respect to the lower guide rail can be measured accurately and precisely, the assembly quality of the guide rail can be improved and the installation contractor or the maintenance worker can work more safely. It works.

Claims (5)

delete In the device for measuring the alignment error of the plurality of guide rails vertically connected to at least one side in the hoistway of the elevator, Predetermined distance from the first reference portion having a first flat surface attached to the lower guide rail of the two guide rails and the upper guide rail extending from the first reference portion and connected to the upper end of the lower guide rail A first alignment error including a first measuring unit having an opposing second flat surface, and a gap measuring member provided in the first measuring unit for measuring an alignment error value of the upper guide rail with respect to the lower guide rail; Measuring means; A second reference portion having a third flat surface attached to the lower guide rail, a second measuring portion having a fourth flat surface extending from the second reference portion and opposed to and spaced apart from the upper guide rail by a predetermined distance; A second alignment error measuring means provided in the second measuring unit and including a gap measuring member for measuring an alignment error value of the upper guide rail with respect to the lower guide rail, The first misalignment measuring means and the second misalignment measuring means are arranged in parallel to each other, the guide rail of the elevator, characterized in that the first flat surface and the third flat surface are adjacent to each other at right angles. Alignment error measuring device. The guide rail alignment error measuring apparatus of claim 2, wherein a magnetic material in contact with the guide rail is provided at one side of the first reference part and the second reference part. The method of claim 2, wherein the gap measuring member is a dial gauge having a measuring pin, Guide rail alignment of the elevator, characterized in that the receiving groove for supporting the dial gauge so that the measuring pin of the dial gauge is in contact with the upper guide rail at a right angle at the upper end of the first and second measuring unit. Error measuring device. The elevator guide rail alignment error measuring apparatus according to claim 2, wherein a level gauge is mounted on one side of the first alignment error measuring means and the second alignment error measuring means at a right angle to the first flat surface. .

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