JP6831188B2 - measuring device - Google Patents

Description

The present invention relates to a measurement apparatus and, more particularly, 2-dimensional shape in a direction finding and estimated direction of the window frame sash fixed to Ken creation, i.e. find the direction (window along the expected direction (direction perpendicular to the window glass) It relates to a measuring device that can be conveniently applied to measure shape variation, in a direction parallel to the glass.

As disclosed in Patent Document 1 below, in recent years, for example, a part of an existing window frame sash made of an aluminum alloy has been removed instead of the whole, and a synthetic resin, for example, has been removed from the existing window frame sash. The refurbishment of the window frame sash that fixes the new window frame sash made of plastic is in practical use. In such a refurbishment of the window frame sash, it is first necessary to sufficiently accurately measure the two-dimensional shape in the prospective direction and the finding direction of the existing window frame sash. Therefore, conventionally, a worker manually measures the required dimensions of an existing window frame sash using a measuring tool such as a straightedge, a tape measure, a caliper, and a right-angled scale at a work site.

Japanese Unexamined Patent Publication No. 2015-71920

However, manual measurement by workers as described above requires (1) skill and relatively long time for measurement, (2) extremely narrow surrounding space, and the presence of furniture and the like. Alternatively, there are problems that measurement is often impossible or extremely difficult due to a high place or the like, and (3) there is a high possibility that a measurement error will occur.

The present invention has been made in view of the above facts, and its main technical problem is found to be the prospective direction of the window frame sash even in a relatively narrow place or a high place in a relatively short time without requiring skill. It is an object of the present invention to provide a new and improved measuring device capable of measuring a two-dimensional shape in a direction with sufficient accuracy .

As a result of diligent studies, the present inventor has found that the above-mentioned main technical problems can be achieved by appropriately combining a linear scale and a laser range finder.

That is, according to the present invention, as measurement devices that achieve the above principal object,
As a measuring device for measuring the two-dimensional shape of the window frame sash fixed to the building in the prospective direction and the finding direction,
Base and
Including a sensor and a scale, the sensor and the scale are relatively movable in the X-axis direction which is the extending direction of the scale, and one of the sensor and the scale is fixed to the base. Linear scale and
Laser distance for measuring the separation distance of the window frame sash in the Z-axis direction perpendicular to the X-axis, which is mounted on the base so as to be movable in the X-axis direction together with the other of the sensor and the scale. Total and
A measuring device comprising the above is provided.

It is convenient that one of the sensor and the scale is the sensor. The laser rangefinder is preferably mounted on the base via the other of the sensor and the scale. Preferably, a rechargeable battery further comprising a moving means for moving the laser rangefinder in the X-axis direction, along with the sensor and the other of the scale, and also mounted on the base. It is desirable to provide a control / storage means mounted on the base for controlling the operation of the drive means and storing the output of the linear scale and the laser range finder .

According to the measuring apparatus of the present invention moves, the position the base to the required as to the window frame sash, and one laser rangefinder between the scale and the sensor in the X-axis direction (direction narrowing seen in a window frame sash) by the measurements of the X-axis direction on a linear scale (direction narrowing seen of the window frame sash), it is possible to perform measurements in the Z-axis direction (see with the direction of the window frame sash) by the laser rangefinder, and therefore a skilled It is possible to measure the two-dimensional shape of the window frame sash in the prospective direction and the finding direction with sufficient accuracy even in a relatively narrow place or a high place in a relatively short time without requiring the above.

The simplified slope view which shows the preferable embodiment of the measuring apparatus configured according to this invention. The simplified top view of the measuring apparatus shown in FIG. The simplified side view which shows an example of the usage style of the measuring apparatus shown in FIG.

Hereinafter, description will be made in more detail with reference to the accompanying drawings illustrating preferred embodiments of the measuring apparatus configured according to the present invention.

Explaining with reference to FIGS. 1 and 2, the measuring device indicated by the number 2 as a whole includes a base 4, a linear scale 6, and a laser range finder 8. Base 4 can be a hollow box shape formed from sheet metal or a synthetic resin, has a lower surface 10 and upper surface 12 extending parallel and straight to the mutual.

The linear scale 6, which itself may be in a well-known form, is composed of a sensor 14 and a scale 16, and the sensor 14 and the scale 16 are relative to the extending direction (X-axis direction) of the scale 16 extending straight. It is combined so that it can be moved freely. By the sensor 14 detects the memory (not shown) disposed on the scale 16, the relative movement distance between the sensor 14 and the scale 16 are detected. In the illustrated embodiment, the sensor 14 is fixed to the upper surface of the base 4 by an appropriate fastening means (not shown), and the scale 16 is movable in the extending direction, that is, in the X-axis direction.

The laser distance meter 8 itself may be in a well-known form. The laser distance meter 8 includes a light emitting element (not shown) and a light receiving element (not shown), and the light emitting element is a laser directed at a measurement object, that is, a window frame sash. The distance to the window frame sash (that is, the separation distance of the window frame sash ) is measured by irradiating the light and receiving the laser beam reflected by the window frame sash by the light receiving element. In the illustrated embodiment, a connecting member 18 extending in a direction perpendicular to the scale 16 is fixed to one end of the scale 16 of the linear scale 6, and a laser distance is attached to the extending end of the connecting member 18. A total of 8 is fixed, and therefore the laser rangefinder 8 is movably mounted on the base 4 in the X-axis direction via the scale 16 of the linear scale 6. The light emitting element of the laser distance meter 8 emits laser light in a direction substantially perpendicular to the X axis (a direction slightly inclined with respect to the Z axis), and the light receiving element is substantially perpendicular to the X axis. It receives the laser beam reflected in the direction (the direction slightly inclined with respect to the Z axis) and measures the separation distance of the window frame sash in the Z axis direction perpendicular to the X axis (see FIG. 3). ..

In the illustrated embodiment, a moving means 20 for moving the scale 16 of the linear scale 6 and the laser range finder 8 fixed to the scale 16 in the X-axis direction is also provided. The moving means 20 includes a guide wheel 22 rotatably mounted on the upper surface of the base 4 and a drive wire 24. The wire 24 extends from one end fixed to an appropriate portion of the scale 16 (a portion that does not hinder the relative movement of the scale 16 with respect to the sensor 14, for example, the central portion in the width direction of the lower surface) toward the guide wheel 22. After being wound around 22, it extends along the upper surface of the base 4, and then is wound around a guide wheel (not shown) rotatably mounted in the guide opening formed on the upper surface of the base 4. After being hung, it extends into the base 4 and is wound around a drive vehicle (not shown) arranged in the base 4. An appropriate drive source (not shown) such as a rotary drive mechanism provided with an electric motor or a pneumatic cylinder for rotating the drive vehicle is connected to the drive vehicle. Instead of attaching the drive source, a manual operation piece is attached to the drive vehicle, and the manual operation piece is gripped through an opening formed on the side surface of the base 4 to manually rotate the drive vehicle. You can also do it.

The illustrated measuring device 2 further includes a rechargeable battery 26 and a control / storage means 28. The battery 26 is mounted on the rear surface of the base 4 by an appropriate fixing means (not shown). A connecting wall 30 extending upward and then extending rearward is integrally formed at the rear ends of both side surfaces of the base 4, and a box 32 of the control / storage means 28 is fixed between the connecting walls 30. The box 32 is arranged so as to be separated upward from the upper surface of the base 4, and there is an interval through which the scale 16 is inserted between the upper surface of the base 4 and the lower surface of the box 32. In the box 32, a storage means (not shown) is arranged together with a central control unit (not shown) which may be a microprocessor. The central control unit of the control / storage means 28 is connected to the electric motor of the moving means 20 via the wiring 34, and is also connected to the sensor 14 via the wiring 36 and the laser distance via the wiring 38. It is connected to a total of 8. A power switch button 40a, a measurement setting button 40b, and a start button 40c are arranged on the upper surface of the box 32. A display panel 42 for appropriately displaying the outputs of the sensor 14 and the laser range finder 8 is also arranged on the upper surface of the box 32. Further, an output terminal 44 [FIG. 2] for outputting information stored in the storage means 28 is provided on the rear surface of the box 32.

Next, the usage mode of the above-mentioned measuring device 2 will be described with reference to FIGS. 1 and 2 and FIG. In FIG. 3, an existing window frame sash 48 fixed to the building together with the frame 46 of the building is shown. When refurbishing the window frame sash, for example, the existing window frame sash 48 made of aluminum has a two-dimensional shape in the prospective direction and the finding direction, that is, the X-axis direction which is the horizontal direction in FIG. 3 and the vertical direction in FIG. It is necessary to measure the shape in the Z-axis direction with sufficient accuracy. When using total the measuring device 2 to a Such measurements, as shown in FIG. 3, to hold the bottom surface of the base 4 and placed to a total measuring apparatus 2 on the flat upper surface of the frame 46 in a stationary state .. After that, the buttons 40a, 40b and 40c are appropriately operated to move the scale 16 and the laser rangefinder 8 from, for example, the backward position shown by the alternate long and short dash line in FIG. 3 to the forward position shown by the solid line in FIG. The output of the sensor 14 and the output of the laser rangefinder 8 are stored. Thus, the movement distance in the X-axis direction indicated by the output of the sensor 14 and the Z-axis direction separation distance of the window frame sash 48 with respect to the laser distance meter 8 indicated by the output of the laser distance meter 8 are stored, and the expected direction of the window frame sash 48 is stored. The variation in the two-dimensional shape, that is, the Z-axis direction separation distance along the X-axis direction in the finding direction is measured. When returning the scale 16 and the laser range finder 8 from the forward position shown by the solid line in FIG. 3 to the backward position shown by the alternate long and short dash line, the electric motor may be reversed and the scale 16 and the laser range finder 8 may be manually moved. ..

Although the preferred embodiments of the measuring device configured according to the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to such embodiments, and various types are described without departing from the scope of the present invention. It is not necessary to say that it can be transformed or modified. For example, in the illustrated embodiment, the sensor 14 of the linear scale 6 is fixed to the base 4, and the scale 16 of the renia scale 6 and the laser rangefinder 8 are moved in the X-axis direction. However, if desired, the linear scale is used. The scale 16 of 6 can be fixed to the base 4, and the sensor 14 of the linear scale 6 and the laser range finder 8 can be moved in the X-axis direction. Further, for example, a rotatable male screw rod extending in the X-axis direction, a female screw block screwed into the male screw rod, and an electric motor for rotationally driving the male screw rod are included, and the female screw block is a scale of a linear scale 6. A moving means connected to the 16 (or the sensor 14) is arranged in the base 4, so that the scale 16 (or the sensor 14) and the laser rangefinder 8 are automatically reciprocated in the X-axis direction. You can also do it.

2: Measuring device 4: Base 6: Linear scale 8: Laser range finder 14: Sensor 16: Scale 20: Transportation means 26: Battery 28: Control / storage means 46: Picture frame 48: Window frame sash

Claims (5)

As a measuring device for measuring the two-dimensional shape of the window frame sash fixed to the building in the prospective direction and the finding direction,
Base and
Including a sensor and a scale, the sensor and the scale are relatively movable in the X-axis direction which is the extending direction of the scale, and one of the sensor and the scale is fixed to the base. With linear scale
Laser distance for measuring the separation distance of the window frame sash in the Z-axis direction perpendicular to the X-axis, which is mounted on the base so as to be movable in the X-axis direction together with the other of the sensor and the scale. Total and
A measuring device comprising. The measuring device according to claim 1, wherein one of the sensor and the scale is the sensor. The measuring device according to claim 1 or 2, wherein the laser range finder is mounted on the base via the other of the sensor and the scale. The measuring device according to any one of claims 1 to 3, further comprising a moving means for moving the laser rangefinder in the X-axis direction together with the sensor and the scale. Further, control / storage for controlling the operation of the rechargeable battery mounted on the base and the driving means mounted on the base and storing the outputs of the linear scale and the laser range finder. The measuring device according to any one of claims 1 to 4, further comprising means .