KR100895783B1 - Reflector adapter for laser tracker - Google Patents

Abstract

The present invention relates to a reflector adapter of a laser tracker. The reflector adapter of the laser tracker includes a body having an insertion protrusion inserted into a measuring hole of a measuring structure at one end thereof; A first seating part formed on one side of the insertion protrusion and positioned on a central axis of the measurement hole to allow the first reflector to be seated and supported; A laser tracker according to the present invention includes a second seating part positioned on an extension line of the central axis of the measuring hole to one side of the first seating part and spaced apart from the first seating part by a predetermined distance so that the second reflector is seated and supported. Reflector adapter of 3D measurement of measuring holes without forming a separate tooling hole in a narrow structure, it can reduce the number of processes for the measurement and further improve the process efficiency, and also the curved curved structure It is also possible to measure the curvature for the effect that can be improved more effective three-dimensional measurement.

Description

Reflector adapter for laser tracker

1 is a view showing a state of measuring a tooling hole using a conventional laser tracker.

Figure 2 is a perspective view of the reflector adapter of the laser tracker according to the present invention.

3 is a side view illustrating the reflector adapter of the laser tracker according to the present invention.

4 is a perspective view showing a state of use of the reflector adapter of the laser tracker according to the present invention.

5 is a perspective view showing another use state of the reflector adapter of the laser tracker according to the present invention.

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

200 ... body

210 ... insertion protrusion

220 ... bottom

230 ... Rod

240 first seat

The present invention relates to a reflector adapter of a laser tracker, and more particularly, to a reflector adapter of a laser tracker, which enables direct measurement of a measuring hole to perform more precise three-dimensional measurement.

In general, the laser tracker is used in a variety of advanced precision measurement areas that require precise dimensional control and position measurement, such as aircraft, automobiles and robots, the composition is a tracker processor for scanning a laser beam and a tracker processor for processing and displaying the measured data It is composed of a reflector which is installed in the measuring part and receives the laser oscillated from the tracker.

In the laser tracker configured as described above, there is a ball reflector as a kind of reflector. This ball reflector is more widely used in recent years because it is easier to use than other types of reflectors.

Since the ball reflector cannot directly fix itself to the measuring part, the ball reflector can be directly positioned on the measuring part by the user, or the separate reflector supporter 21 as shown in FIG. 1 is used for use. The measurement is taking place.

On the other hand, when performing the three-dimensional position measurement of the measurement hole formed in the measurement structure 10 in the prior art is to perform the measurement after installing the reflector 20 at each of the three points around the measurement hole (11).

However, in order to maintain the measurement tolerance for the measurement hole 11 to ± .005 or less, the distance between each tooling hole 12 should be maintained at least 2 inches or more. However, when the surface area of the measuring structure 10 is narrow, there is a problem in that the gap between each tooling hole 12 cannot be secured by more than 2 inches, and in the three tooling holes 12 with respect to the measuring hole 11, Indirectly performing three-dimensional measurement, there is a problem that the tolerance according to the measurement is increased beyond the allowable value when the alignment of the measuring structure 10, the reflector 20, and the measuring hole 11 and the tooling hole 12 is not properly aligned. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a reflector adapter of a laser tracker such that the reflector is arranged up and down on the axis of the measuring hole so as to enable direct measurement with respect to the measuring hole.

The reflector adapter of the laser tracker according to the present invention for achieving the above object comprises a body having an insertion protrusion inserted into the measuring hole of the measuring structure at one end; A first seating part formed on one side of the insertion protrusion and positioned on a central axis of the measurement hole to allow the first reflector to be seated and supported; And a second seating part positioned on an extension line of the central axis of the measuring hole to one side of the first seating part and spaced apart from the first seating part by a predetermined distance so that the second reflector is seated and supported.

And preferably, the predetermined interval is characterized in that 5 to 7 inches.                     

Also preferably, the first seating portion includes a first recessed groove in which the first reflector is seated, and a first magnet installed inside the first recessed recess to allow the first reflector to be contacted and supported by magnetic force, and a second The seating portion may include a second magnet provided in the second recessed groove in which the second reflector is seated and the second recessed groove so as to be supported by the second reflector by magnetic force.

In addition, the body is characterized in that it is provided with a rod portion formed on the upper side of the insertion protrusion is supported in contact with the peripheral portion of the measuring hole and the first seating portion and the second seating portion is formed.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the drawings.

The reflector adapter of the laser tracker according to the present invention has a body 200 protruding at the bottom of the insertion protrusion 210 inserted into the measurement hole 110 formed in the measurement structure 100 as shown in FIG. And the body 200 is formed on the upper side of the insertion protrusion 210 and has a bottom portion 220 formed of a circular plate to be seated and supported on the periphery of the measuring hole 110, the predetermined portion to the upper side of the bottom portion 220 It has a rod portion 230 extending by the length.

In addition, a first seating part 240 is provided at a lower portion of the rod part 230 positioned above the bottom part 220. The first reflector 300 is installed on the side of the first seating part 240. At this time, the rod part 230 is positioned so that the first reflector 300 is installed on the central axis of the measurement hole 110. The installation portion is bent laterally connected to the bottom portion 220.

Here, the first seating portion 240 is inserted into the first recessed groove 241 and the first recessed groove 241 formed to be bent in order to stably seat the first reflector 300 in a ball shape. The first magnet 242 is installed to fix the first reflector 300 by magnetic force.

In addition, the upper part of the rod part 230 of the upper side of the first seating part 240 is positioned on an extension line of the central axis of the measuring hole 110 and is configured to be spaced apart from the first seating part 240 by a predetermined distance. A second seating part 250 on which the 310 is seated is provided.

Like the first seating part 240, the second seating part 250 has a second recessed groove 251 and the second recessed groove 251 which is formed to be bent in order to allow the ball-shaped second reflector 310 to be stably seated. The second magnet 252 is inserted into the recessed groove 251 and installed to allow the second reflector 310 to be attached and fixed by magnetic force.

Here, each of the reflectors 300 and 310 may be attached to the magnets 242 and 252 by inserting or applying a magnet or metal to the reflector 300 or 310 itself, or using a metal material of the material itself. have.

On the other hand, the spacing between the first seating portion 240 and the second seating portion 250 is provided in 5 inches (inch) or more, because the distance between at least two reflectors 300, 310 is 5 inches Only when the above is maintained can the three-dimensional measurement of the measurement hole 110 within the tolerance. Therefore, when the product is applied, it can be manufactured to a size suitable for use about 5 to 7 inches. In other words, each of the 5 inch, 6 inch, and 7 inch types can be individually manufactured or used to be foldable within 5-7 inches while coaxially maintained in a different state. will be.

Hereinafter, an operation state of the reflector supporter of the laser tracker according to the present invention configured as described above will be described.

The use state of the reflector supporter of the laser tracker according to the present invention can be used in three-dimensional coordinate measurement of the measurement hole 110 formed on the plane and three-dimensional measurement of the structure of the curved structure.

First, the measurement of the measuring hole 110 formed on the plane is performed by the first reflector 300 and the second reflector on the first seating part 240 and the second seating part 250 of the reflector adapter as shown in FIG. 4. After mounting and installing the reflector 310, the insertion protrusion 210 formed in the adapter body 200 is inserted into the measuring hole 110 to install the reflector adapter.

In this state, the tracker oscillates the laser toward the reflector 300 and 310 to perform tracking to obtain coordinate values for the measurement position through the tracker processor, thereby obtaining an accurate position value for the measurement portion.

In another embodiment, when the three-dimensional measurement of the curvature of the structure 101 of the curved structure as shown in Figure 5 forms a measuring hole 102 at regular intervals along the curve, each of the measuring holes After installing the reflector adapter according to the present invention at (102), the laser is oscillated from the tracker to the reflector (300) (310), and tracking is performed to obtain coordinate values for the measurement position through the tracker processor. 101, the curvature is obtained.

As described above, unlike the embodiments of the reflector adapter of the laser tracker according to the present invention, a modified embodiment may be applied. However, even if the configuration is applied to some modifications, if the modified embodiment basically includes the essential components of the present invention should be considered to be included in the technical scope of the present invention.

The reflector adapter of the laser tracker according to the present invention as described above enables a three-dimensional measurement of the measurement hole without forming a separate tooling hole in a narrow structure, thereby further reducing the number of processes for the measurement and improving the process efficiency. In addition, it is also possible to measure the curvature of the curved curved structure has the effect of exhibiting a more improved three-dimensional measurement efficiency.

Claims (4)

A body having an insertion protrusion inserted into a measurement hole at one end of the measurement structure; A first seating part formed on one side of the insertion protrusion and positioned on a central axis of the measurement hole to allow the first reflector to be seated and supported; A reflector adapter of the laser tracker, which is located on an extension line of the central axis of the measuring hole to one side of the first seating part and is spaced apart from the first seating part by a predetermined distance so that the second reflector is seated and supported. . The reflector adapter of a laser tracker according to claim 1, wherein the predetermined interval is 5 to 7 inches. According to claim 1, wherein the first seating portion is provided with a first magnet that is installed inside the first recessed groove and the first recessed groove in which the first reflector is seated so that the first reflector in contact with the magnetic force And a second seating portion having a second recessed groove in which the second reflector is seated and a second magnet installed inside the second recessed groove so that the second reflector can be contacted and supported by magnetic force. Reflector adapter. According to any one of claims 1 to 3, wherein the body is formed on the upper side of the insertion projection so that the bottom portion which is supported in contact with the peripheral portion of the measuring hole and the first seating portion and the second seating portion is formed. Reflector adapter of the laser tracker, characterized in that provided in the rod portion.

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