KR101580577B1 - Apparatus for measuring coupling axis alignment - Google Patents

Apparatus for measuring coupling axis alignment Download PDF

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Publication number
KR101580577B1
KR101580577B1 KR1020150092801A KR20150092801A KR101580577B1 KR 101580577 B1 KR101580577 B1 KR 101580577B1 KR 1020150092801 A KR1020150092801 A KR 1020150092801A KR 20150092801 A KR20150092801 A KR 20150092801A KR 101580577 B1 KR101580577 B1 KR 101580577B1
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South Korea
Prior art keywords
coupling
measuring
holes
arm
present
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KR1020150092801A
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Korean (ko)
Inventor
이시연
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석원산업주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/22—Feeler-pin gauges, e.g. dial gauges

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The present invention relates to a measuring apparatus for coupling axis alignment. The measuring apparatus for a coupling axis alignment according to the first embodiment of the present invention is a measuring apparatus for measuring the relative position between a first coupling and a second coupling which are adjacent to each other to align a plurality of axes, A body portion inserted into a groove formed along a circumferential direction on an outer circumferential surface of the first coupling and having a plurality of holes spaced apart along a longitudinal direction thereof; a body portion screwed into at least one of the plurality of holes, At least one securement portion for securing the body portion to the first coupling by applying pressure so as to be in close contact with the first coupling, a vertical arm and a vertical arm that are threadedly coupled to any one of the plurality of holes and extend vertically to the upper side of the body portion, An arm portion including a horizontal arm extending horizontally from one side of the first coupling and a horizontal arm extending horizontally from the side of the second coupling, Article characterized in that it comprises first coupling based on a second measurement of measuring a position of the coupling portion.

Description

[0001] Apparatus for measuring coupling axis alignment [0001]

The present invention relates to a measuring device for a coupling axis alignment, and more particularly, to a measuring device for measuring a coupling axis, which is simple in use and can be accurately measured, by measuring a measuring device firmly fixed by using a groove, And a measurement apparatus for alignment.

Generally, in a power plant such as an industrial site and a thermal power plant, a large rotating device such as a boiler, a turbine generator, and the like is made up of multiple shafts, and the coupling connecting the shafts and shafts is very large. Alignment, which aligns the centers of these axes with the axis, is an important maintenance task that requires very precise control within 0.03 mm between the two couplings. At this time, in the main axis (Rim = Parallel) measurement performed in the axis aligning operation, one end of the measuring device is fixed to one of the two adjacent couplings, while the two couplings are rotated simultaneously, And reads the value indicated by the measuring device that the other end touches. In the case of a large coupling, when a hole is drilled or a shape is deformed to fix the measuring device, a weight deviation occurs and a wind is generated at a high speed. Therefore, conventionally, a fixing device for fixing a measuring device to a coupling, Respectively.

The measuring device is rotated with the coupling in a state of being attached to the coupling via the stationary magnet. In this case, since the stationary magnet is not firmly fixed to the coupling, the measurement device is shaken while the coupling rotates, and the error of the measurement result exceeds the tolerance due to the sagging due to the weight of the measuring device there was. Because of these problems, it is often the case that the operator can not trust the measurement results even if it is difficult to measure while taking a long time at the maintenance site. In a rotating device such as a small-sized pump or a compressor, even if a slight error in measurement results occurs, it is not a big problem. However, it is important that the axis alignment of the elaborated and large-sized large rotating device is accurately performed without errors. In addition, the measuring device must be firmly fixed to the coupling since it can hit the surrounding structure when rotated in a cramped space.

Therefore, there is a demand for a measuring device for a coupling axis alignment which is simple in use and can be accurately measured by measuring the measuring device firmly fixed by using a groove in which a balance can be additionally installed.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a measuring device which is firmly fixed by using a groove, The present invention also provides a measuring apparatus for a coupling axis alignment.

The technical problem of the present invention is not limited to those mentioned above, and another technical problem which is not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a measuring apparatus for a coupling axis alignment according to a first embodiment of the present invention is characterized by measuring a relative position between a first coupling and a second coupling which are adjacent to each other to align a plurality of axes A measuring apparatus for a coupling axis alignment, comprising: a body portion inserted into a groove formed along a circumferential direction on an outer circumferential surface of the first coupling and having a plurality of holes spaced apart along a longitudinal direction thereof; At least one fixed portion screwed into at least one of the plurality of holes and fixed to the first coupling by applying pressure such that the body portion closely contacts the first coupling, , A vertical arm extending vertically to the upper side of the body portion, and a horizontal arm extending horizontally from one side of the vertical arm to the second coupling side And a measuring unit installed on one side of the arm and the horizontal arm and having one end in contact with the second coupling and measuring the position of the second coupling with reference to the first coupling, do.

At this time, the groove may be provided with an additional balance to compensate for the weight of the first coupling, and a plurality of extending portions having a width of the groove may be formed at equal angular intervals along the circumferential direction so that the balance weight can be inserted. And the at least one body portion is inserted through the plurality of extension portions.

In this case, the plurality of extension portions are formed at intervals of 90 degrees along the circumferential direction of the groove.

The measuring unit may be a dial gauge.

In order to achieve the above object, the at least one fixing portion of the measuring apparatus for coupling axis alignment according to the second embodiment of the present invention is screwed to a thread formed on the vertical arm, And a fixing nut which is linearly moved along the thread when it is rotated about the center and fixed to the first coupling so as to cover one side of the body.

According to a third aspect of the present invention, there is provided a measuring apparatus for a coupling shaft alignment, wherein a relative position between a first coupling and a second coupling adjacent to each other for aligning a plurality of axes A measuring device for a coupling axis alignment, comprising: a body part inserted into a groove formed along a circumferential direction on an outer circumferential surface of the first coupling and having a plurality of holes spaced apart along a longitudinal direction thereof; A block portion that is in contact with the first coupling to cover the body portion and has a plurality of insertion holes formed at positions corresponding to the plurality of holes; and at least one of the plurality of holes, A fixing part coupled to the first coupling to fix the body part to the first coupling by applying pressure so that the body part and the block part come in close contact with the first coupling; An arm portion including a vertical arm screwed to any one of the plurality of holes and extending vertically to the upper side of the body portion and a horizontal arm extending horizontally from one side of the vertical arm to the second coupling side, And a measuring unit installed at one side of the arm and having one end abutting the second coupling and measuring the position of the second coupling with reference to the first coupling.

According to another aspect of the present invention, there is provided a measuring apparatus for a coupling axis alignment according to the fourth aspect of the present invention, wherein the arm portion is vertically installed at one side of the horizontal arm and has a plurality of fastening holes Wherein the measuring unit is installed in the height adjusting unit through any one of the plurality of fastening holes to adjust an installation height of the height adjusting unit.

The details of other embodiments are included in the detailed description and drawings.

According to the measuring apparatus for a coupling shaft alignment according to the embodiments of the present invention, by fixing the measuring apparatus rigidly by using the grooves which can be additionally provided with equilibrium, any apparatus provided with a balancing groove can be installed and measured It is safe instead of a fixed magnet, and there is no sag due to the weight of the measuring device during rotation.

Further, according to the measuring apparatus for a coupling shaft alignment according to the embodiments of the present invention, since the shape and the configuration are simplified, it is easy to assemble and disassemble, can be installed accurately in a short time, And can be installed regardless of the installation position.

In addition, according to the measuring apparatus for a coupling axis alignment according to the embodiments of the present invention, the outer surface of the vertical arm is supported by using the fixing nut or the block portion to enlarge the supporting area for supporting the vertical arm, It is possible to prevent the phenomenon of the shaking or deviation from being added.

In addition, according to the measuring apparatus for a coupling axis alignment according to the embodiments of the present invention, since the height adjusting section having a plurality of fastening holes formed between the measuring section and the horizontal arm, the measuring section can selectively So that it can be installed at a height suitable for measurement according to the difference in diameters of the first coupling and the second coupling.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

FIG. 1 is a perspective view showing a coupling device for measuring a coupling axis according to a first embodiment of the present invention installed in a groove of a coupling. FIG.
2 is a longitudinal sectional view showing a state in which a measuring device for measuring a coupling axis according to a first embodiment of the present invention is installed in a groove of a coupling.
3 is a perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a first embodiment of the present invention.
4 is an exploded perspective view showing a structure of a measurement apparatus for coupling axis alignment according to a first embodiment of the present invention.
5 is a vertical sectional view showing a state in which the measuring device for measuring a coupling axis according to the first embodiment of the present invention is fixed to a groove of a coupling.
6 is a perspective view showing a structure of a measurement apparatus for a coupling axis alignment according to a second embodiment of the present invention.
7 is an exploded perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a second embodiment of the present invention.
8 is a longitudinal sectional view showing a state in which a measuring apparatus for measuring a coupling axis according to a second embodiment of the present invention is fixed to a groove of a coupling.
9 is a perspective view showing a structure of a measurement apparatus for a coupling axis alignment according to a third embodiment of the present invention.
10 is an exploded perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a third embodiment of the present invention.
11 is a longitudinal sectional view showing a state in which a measuring apparatus for measuring a coupling axis according to a third embodiment of the present invention is fixed to a groove of a coupling.
12 is a perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a fourth embodiment of the present invention.
13 is an exploded perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a fourth embodiment of the present invention.
14 is a side view showing a structure of a measuring apparatus for a coupling axis alignment according to a fourth embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

In the following description of the embodiments of the present invention, descriptions of techniques which are well known in the technical field of the present invention and are not directly related to the present invention will be omitted. This is for the sake of clarity of the present invention without omitting the unnecessary explanation.

For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated. Also, the size of each component does not entirely reflect the actual size. In the drawings, the same or corresponding components are denoted by the same reference numerals.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings for explaining a coupling axis alignment measuring apparatus according to embodiments of the present invention.

FIG. 1 is a perspective view showing a coupling device for measuring a coupling axis according to a first embodiment of the present invention installed in a groove of a coupling. FIG.

As shown in FIG. 1, in a power plant such as an industrial site and a thermal power plant, a large rotating device such as a boiler, a turbine generator, or the like is composed of multiple shafts. In order to align the plurality of shafts, And the second coupling 20 can be measured. At this time, at least one of the first coupling 10 and the second coupling 20 may have grooves 11 and 21 formed along the circumferential direction on the outer circumferential surface. These grooves 11 and 21 can be machined so that a balancing weight (not shown) for compensating for weight can be inserted and installed in order to prevent the occurrence of vibration when rotating at a high speed. At this time, in the grooves 11 and 21, a plurality of enlarged portions 11a and 21a having the widths of the grooves 11 and 21 are formed at regular angular intervals along the circumferential direction so that a balance weight (not shown) .

As shown in FIG. 1, the plurality of extension portions 11a and 21a may be formed at intervals of 90 degrees along the circumferential direction of the grooves 11 and 21, but the present invention is not limited thereto. 11a, 21a may be changed by a person skilled in the art. The measuring apparatus 1 for measuring the coupling axis according to the first embodiment of the present invention can be inserted and installed through the plurality of extension portions 11a and 21a.

Hereinafter, the structure of the measuring apparatus 1 for coupling-axis alignment according to the first embodiment of the present invention will be described in detail with reference to Figs. 2 to 5. Fig.

FIG. 2 is a vertical sectional view showing a state where a measuring apparatus for measuring a coupling axis according to the first embodiment of the present invention is installed in a groove of a coupling. FIG. 3 is a cross- 4 is an exploded perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a first embodiment of the present invention, and Fig. 5 is a perspective view showing the coupling apparatus according to the first embodiment of the present invention, Fig. 7 is a longitudinal sectional view showing a state in which the measuring device for axial alignment is fixed to the groove of the coupling;

1 to 5, a measuring apparatus 1 for coupling axis alignment according to an embodiment of the present invention includes a body part 100, a fixing part 200, an arm part 300, (400).

The body portion 100 may be inserted into the groove 11 formed along the circumferential direction on the outer circumferential surface of the first coupling 10. At this time, the body part 100 is inserted through a plurality of extension parts 11a formed by enlarging the width of the groove 11, and then inserted into the first and second coupling parts 100, Can be rotated along the circumferential direction of the ring (10). Accordingly, the body part 100 can be firmly fixed at any position of the first coupling 10 depending on the field to be measured.

However, the shape of the groove 11 may be changed according to the shape of the groove 11 by a person skilled in the art It can be changed at any time. In addition, the body 100 may have a plurality of holes 110 spaced along the longitudinal direction. The plurality of holes 110 may be formed such that the fixing unit 200 to be described later and the vertical arms 310 of the arm unit 300 to be described later are screwed together.

At least one of the fixing portions 200 is provided and may be screwed into at least one of the plurality of holes 110. 5, the body part 100 is pressurized by the fixing part 200 to be screwed into the groove 11 of the first coupling 10 so as to be brought into close contact with the upper part (or the lower part) And can be fixed to the first coupling 10. The fixing part 200 may be a bolt of hexagon socket head or the like which does not protrude to the outside at the time of coupling. In the present invention, the fixing part 200 is formed of two bolts. However, the present invention is not limited thereto, and the type, number, etc. of the fixing part 200 can be changed by a person skilled in the art .

The arm portion 300 may include a vertical arm 310 and a horizontal arm 320. The vertical arm 310 is screwed into any one of the plurality of holes 110 and may extend vertically to the upper side of the body 100. The horizontal arm 320 may extend horizontally from one side of the vertical arm 310 to the second coupling 20 side. The horizontal arm 320 of the arm unit 300 may be provided with a measuring unit 400 to be described later. The length and thickness of the vertical arm 310 and the horizontal arm 320 are preferably designed not to cause deflection when the measuring unit 400 is installed. The arm portion 300 may be installed at an appropriate angle so that one end of the measuring portion 400 provided on the horizontal arm 320 is in contact with the second coupling 20.

In the present invention, one vertical arm 310 and one horizontal arm 320 are provided to form the arm portion 300 as a whole. However, the present invention is not limited thereto. For example, The shape of the arm portion 300, the number of the vertical arms 310 and the number of the horizontal arms 320 can be changed by a person skilled in the art depending on the installation location, measurement conditions, measurement items and the like.

The measuring unit 400 is installed at one side of the horizontal arm 320 and has one end abutted against the second coupling 20 so that the position of the second coupling 20 relative to the first coupling 10 Can be measured. The measuring unit 400 may include a coupling part 410 to which one end of the horizontal arm 320 can be inserted. The coupling portion 410 may be formed with a coupling hole 430 through which the coupling member 420 is inserted to fix one end of the horizontal arm 320 inserted into the coupling portion 410. The coupling member 420 may pressurize one end of the horizontal arm 320 and the coupling portion 410 so as to closely contact one end of the horizontal arm 320 and the coupling portion 410.

The measuring unit 400 may be a dial gauge. A method of measuring using a dial gauge is such that a guide of a dial gauge fixed to the first coupling 10 through the body part 100 and the arm part 300 is first placed in the second coupling 20 . The user then slowly rotates the first coupling 10 and the second coupling 20 with the dial gauge set to zero to check the consistency of the measurements through the measurements measured from the dial gauge, The axis of the coupling 10 and the axis of the second coupling 20 can be aligned. In the present invention, the dial gauge is used as the measuring unit 400 to measure the position of the second coupling 20 with respect to the first coupling 10, but the present invention is not limited to this, Can be changed by a person skilled in the art.

Hereinafter, a measuring apparatus 1 for coupling-axis alignment according to a second embodiment of the present invention will be described with reference to Figs. 6 to 8. Fig. For convenience of explanation, in Figs. 6 to 8, the components having the same functions as the components shown in the drawings of the first embodiment shown in Figs. 1 to 5 are denoted by the same reference numerals or symbols, The description of the same elements as those of the elements is omitted, and the differences will be mainly described.

FIG. 6 is a perspective view showing the structure of a measuring apparatus for a coupling axis alignment according to a second embodiment of the present invention, and FIG. 7 is an exploded perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a second embodiment of the present invention. And FIG. 8 is a longitudinal sectional view showing a state in which the measuring apparatus for coupling-axis alignment according to the second embodiment of the present invention is fixed to the groove of the coupling.

Unlike the measuring apparatus 1 for measuring the coupling axis alignment according to the first embodiment shown in Figs. 1 to 5, the fixing unit 1 of the measuring apparatus 1 for coupling axis alignment according to the second embodiment of the present invention 200 are screwed into a thread formed on the vertical arm 310 and linearly moved along a thread when rotated about the axis of the vertical arm 310 so as to cover one side of the body 100, And a fixing nut 210 tightly fixed to the base 10.

6 to 8, the fixing nut 210 is rotated and tightly fixed to the first coupling 10 so that the body 100 is inserted into the groove 11 of the first coupling 10 And may be fixed to the first coupling 10 in a state in which pressure is applied so as to be in close contact with the upper portion (or lower portion). Since the outer surface of the vertical arm 310 is supported not only by the plurality of holes 110 of the body 100 but also by the screwed fixing nut 210, . Therefore, it is possible to prevent the arm portion 300, which supports the measuring portion 400, from being shaken or detached while the measuring portion 400 measures while the coupling rotates.

Hereinafter, a measuring apparatus 1 for coupling-axis alignment according to a third embodiment of the present invention will be described with reference to Figs. 9 to 11. Fig. For convenience of explanation, in Figs. 9 to 11, the components having the same functions as the components shown in the drawings of the first embodiment shown in Figs. 1 to 5 are denoted by the same reference numerals or symbols, The description of the same elements as those of the elements is omitted, and the differences will be mainly described.

FIG. 9 is a perspective view showing the structure of a measuring apparatus for a coupling axis alignment according to a third embodiment of the present invention, and FIG. 10 is an exploded perspective view showing a structure of a measuring apparatus for a coupling axis alignment according to a third embodiment of the present invention. FIG. 11 is a longitudinal sectional view showing a state in which the measuring device for measuring the coupling axis alignment according to the third embodiment of the present invention is fixed to the groove of the coupling. FIG.

Unlike the measuring apparatus 1 for measuring the coupling axis alignment according to the first embodiment shown in Figs. 1 to 5, the measuring apparatus 1 for measuring the coupling axis alignment according to the third embodiment of the present invention has one surface And may further include a block portion 220 contacting the first coupling 10 to cover the body portion 100 and having a plurality of insertion holes 221 formed at positions corresponding to the plurality of holes 110 have.

9 to 11, the fixing portion 200 is screwed into at least one of the plurality of holes 110 through the plurality of insertion holes 221 of the block portion 220, and the body portion The body portion 100 may be fixed to the first coupling 10 by applying pressure to the first coupling 10 and the second coupling 10 so that the first and second coupling portions 100 and 220 and the block portion 220 are in close contact with the first coupling 10. The arm portion 300 is screwed into any one of the plurality of holes 110 through the plurality of insertion holes 221 of the block portion 220 and extends vertically to the upper side of the body portion 100 And a horizontal arm 320 extending horizontally from one side of the vertical arm 310 and the second coupling 20 side.

11, since the fixing portion 200 applies pressure not only to the body portion 100 but also to the block portion 220 so as to be in close contact with the first coupling 10, And may be fixed to the first coupling 10 in a state in which pressure is applied to the groove 11 of the coupling 10 so as to be close to the upper portion (or lower portion). Also, the block portion 220 can be more firmly fixed to the first coupling 10 by the fixing portion 200. [ The outer surface of the vertical arm 310 is not only supported by the plurality of holes 110 of the body 100 but also by the block 220 so that the supporting area for supporting the vertical arm 310 is widened do. Therefore, it is possible to prevent the arm portion 300, which supports the measuring portion 400, from being shaken or detached while the measuring portion 400 measures while the coupling rotates.

Hereinafter, a measuring apparatus 1 for coupling-axis alignment according to a fourth embodiment of the present invention will be described with reference to Figs. 12 to 14. Fig. For convenience of explanation, in Figs. 12 to 14, the components having the same functions as those shown in the drawings of the first embodiment shown in Figs. 1 to 5 are denoted by the same reference numerals or symbols, The description of the same elements as those of the elements is omitted, and the differences will be mainly described.

FIG. 12 is a perspective view showing a structure of a measuring apparatus for a coupling axis aligning according to a fourth embodiment of the present invention, FIG. 13 is an exploded view showing a structure of a measuring apparatus for a coupling axis aligning according to a fourth embodiment of the present invention, And FIG. 14 is a side view showing the structure of a measuring apparatus for a coupling axis alignment according to a fourth embodiment of the present invention.

Unlike the measuring apparatus 1 for measuring the coupling axis alignment according to the first embodiment shown in Figs. 1 to 5, the arm portion (not shown) of the measuring apparatus 1 for measuring coupling axis alignment according to the fourth embodiment of the present invention 300 may include a height adjusting unit 330 vertically installed at one side of the horizontal arm 320 and having a plurality of fastening holes 331 formed in the vertical direction.

The height adjuster 330 may include an inserting portion 332 on one side to which one end of the horizontal arm 320 can be inserted. An installation hole 334 may be formed in which the fastening member 333 is inserted and fixed to fix one end of the horizontal arm 320 inserted into the insertion portion 332. The fastening member 333 may press the one end of the horizontal arm 320 and the insertion portion 332 so as to closely contact one end of the horizontal arm 320 and the insertion portion 332.

Also, the measuring unit 400 may be installed in the height adjusting unit 330 through any one of the plurality of fastening holes to adjust the installation height. At this time, the insertion member 335 may be inserted into the coupling part 410 of the measurement part 400 through one of the plurality of fastening holes 331. The engaging member 420 may be inserted into the engaging hole 430 and pressurize the inserting member 335 and the engaging portion 410 so as to be in close contact with each other. This allows the coupling member 420 to firmly couple the insertion member 335 and the coupling portion 410 and the measurement portion 400 can be coupled to the horizontal arm 320 through the height adjustment portion 330 . In the present invention, the height adjustment part 330 is included in the measurement device 1 for measuring the coupling axis alignment according to the first embodiment, but the present invention is not limited to this. In the second and third embodiments, The height adjustment part 330 may be included in the measuring device 1 for coupling axis alignment.

When the height adjusting part 330 is provided, the measuring part 400 may be provided with a plurality of height adjusting parts 330 formed on the height adjusting part 330 according to the difference in diameters of the first coupling 10 and the second coupling 20. [ And the fastening holes 331, the measuring unit 400 can be installed at a height suitable for measurement.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And is not intended to limit the scope of the invention. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

Description of the Related Art
1: Measuring device for coupling axis alignment
10: first coupling 20: second coupling
11, 21: grooves 11a, 21a:
100: Body part 110: Multiple holes
200: fixing part 210: fixing nut
220: block portion 221: plural insertion holes
300: arm portion 310: vertical arm
320: horizontal arm 330: height adjusting portion
331: a plurality of fastening holes 332:
333: fastening member 334: mounting hole
335: insertion member 400: measuring part
410: engaging portion 420: engaging member
430: Coupling hole

Claims (7)

A measuring device for a coupling axis alignment measuring a relative position between first and second couplings adjacent to each other to align a plurality of axes,
A body inserted into a groove formed along a circumferential direction on an outer circumferential surface of the first coupling and having a plurality of holes spaced apart along the longitudinal direction;
At least one fixing part that is threaded to at least one of the plurality of holes and fixes the body part to the first coupling by applying pressure so that the body part is in close contact with the first coupling;
An arm portion screwed to any one of the plurality of holes and including a vertical arm extending vertically to the upper side of the body portion and a horizontal arm extending horizontally from one side of the vertical arm to the second coupling side; And
And a measuring unit installed at one side of the horizontal arm and having one end abutting the second coupling and measuring the position of the second coupling with reference to the first coupling, Measuring device for alignment. The method according to claim 1,
The grooves may be provided with an additional balance to compensate for the weight of the first coupling. A plurality of extensions extending in the width of the grooves are formed at regular angular intervals along the circumferential direction,
Wherein the at least one body portion is inserted through the plurality of extension portions. 3. The method of claim 2,
Wherein the plurality of extension portions are formed at four intervals of 90 degrees along the circumferential direction of the groove. The method according to claim 1,
Wherein the measuring unit is a dial gauge. The method according to claim 1,
Wherein the at least one fixing portion comprises:
And a fixing nut which is screwed to a thread formed on the vertical arm and moves linearly along the thread when rotated about the axis of the vertical arm and is fixed to the first coupling so as to cover one side of the body, Wherein the coupling axis aligning device comprises: The method according to claim 1,
The arm portion
And a height adjusting unit vertically installed at one side of the horizontal arm and having a plurality of fastening holes formed in a vertical direction,
Wherein the measuring unit is installed in the height adjusting unit through any one of the plurality of fastening holes to adjust an installation height. A measuring device for a coupling axis alignment measuring a relative position between first and second couplings adjacent to each other to align a plurality of axes,
A body inserted into a groove formed along a circumferential direction on an outer circumferential surface of the first coupling and having a plurality of holes spaced apart along the longitudinal direction;
A block having one surface abutting the first coupling so as to cover the body and having a plurality of insertion holes formed at positions corresponding to the plurality of holes;
The body portion being fixed to the first coupling by pressurizing the body portion and the block portion so that the body portion and the block portion are in close contact with the first coupling, government;
A vertical arm extending through the plurality of insertion holes and screwed to any one of the plurality of holes and extending vertically to the upper side of the body portion and a horizontal arm extending horizontally from one side of the vertical arm to the second coupling side, ; And
And a measuring unit installed at one side of the horizontal arm and having one end abutting the second coupling and measuring the position of the second coupling with reference to the first coupling, Measuring device for alignment.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102320145B1 (en) * 2021-04-21 2021-11-02 (주)수산인더스트리 Slide movable type measuring apparatus of axial position

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643505U (en) * 1991-10-31 1994-06-10 泰哉 荘田 Coupling parallelism centering automation for rotating machinery
JPH0729403U (en) * 1993-10-28 1995-06-02 西部電機サービス株式会社 Rotational Shake Measurement Device
KR20120134175A (en) * 2011-06-01 2012-12-12 현대중공업 주식회사 Setting jig for dial gauge
KR20130068778A (en) * 2011-12-16 2013-06-26 한국항공우주연구원 The height alignment device of the vibration exciter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643505U (en) * 1991-10-31 1994-06-10 泰哉 荘田 Coupling parallelism centering automation for rotating machinery
JPH0729403U (en) * 1993-10-28 1995-06-02 西部電機サービス株式会社 Rotational Shake Measurement Device
KR20120134175A (en) * 2011-06-01 2012-12-12 현대중공업 주식회사 Setting jig for dial gauge
KR20130068778A (en) * 2011-12-16 2013-06-26 한국항공우주연구원 The height alignment device of the vibration exciter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102320145B1 (en) * 2021-04-21 2021-11-02 (주)수산인더스트리 Slide movable type measuring apparatus of axial position

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