JPH08184440A - Corner cube support - Google Patents

Abstract

PURPOSE: To facilitate tracking through an automatic tracking surveying instrument and to enhance the efficiency of work by arranging a plurality of corner cubes radially around one axis. CONSTITUTION: The corner cube support comprises two units, i.e., first and second holders 12, 14. The holder 12 has a hexagonal tubular case where a pinhole 11 penetrates a tubular hole. The hexagonal case has five outer faces of identical shape and one larger face. Corner cubes 13 are disposed fixedly on the five identical faces and arranged at a constant angular interval in the horizontal direction around the pinhole 11. The five corner cubes 13 cover a range of 270 deg. continuously in the horizontal direction, for example. The holder 14 is provided with a rectangular tubular case having upper surface closing the tubular hole of the holder 12 and a sixth corner cube 61 is disposed in the case of the holder 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner cube supporting device used with a surveying instrument.

[0002]

2. Description of the Related Art A corner cube supporting device 20 is shown in FIG.
It is used in cooperation with the surveying instrument 100 as shown in FIG. Surveying instrument 10
0 is installed by a tripod or the like at a predetermined point on the survey site in advance. On the other hand, the corner cube support device 20 is used by the worker 3
It is supported by 0 and carried to the next survey point. At the measurement point, the worker 30 supports the corner cube support device 20 toward the surveying instrument 100 and performs high precision surveying.

In recent years, an automatic tracking type (also called a servo type)
Although a surveying instrument is widely used, this surveying instrument is configured to automatically and continuously track the corner cube support device.

When the corner cube support device is used in cooperation with an automatic tracking surveying instrument, the operator must always move the corner cube toward the surveying instrument and have the surveying instrument track it. . When moving, a rough survey is performed.

[0005]

However, the conventional corner cube support device has only one corner cube fixed to the base.

Therefore, the operation of moving the corner cube support device while surely tracking the surveying instrument requires a great deal of labor. The burden on the worker was particularly heavy at the site where there were many bad things and obstacles.

Further, in order to accurately carry out high-precision surveying at the surveying point, it was necessary to accurately orient the corner cube toward the surveying instrument. However, if the positional relationship between the surveying instrument and the corner cube support device is not appropriate, an error may occur with respect to the measurement point.

In view of the above problems of the prior art, the first object of the present invention is that the tracking by the automatic tracking surveying instrument is particularly easy, the burden on the operator can be reduced, and the working efficiency is improved. It is an object of the present invention to provide a corner cube supporting device that can be used.

A second object of the present invention is to provide a corner cube support device capable of realizing a high precision survey even when it is slightly inclined when performing a high precision survey at a measurement point.

[0010]

The first invention of the present application is characterized in that, in a corner cube supporting device used with a surveying instrument, a plurality of corner cubes (13) are arranged radially around a single axis (11). The corner cube support device is as the gist.

The second invention of the present application is, in a corner cube supporting device used together with a surveying instrument, a corner cube (16) is rotatably supported about a tilt shaft (17), and a depression angle is set at a position of the surveying instrument. The gist of the corner cube support device is characterized in that it can be finely adjusted in accordance with it.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing one embodiment of a corner cube supporting device according to the present invention. FIG. 2 is a diagram showing a usage state of the corner cube support device.

The corner cube support device 10 is composed of two units, a first holder 12 and a second holder 14. The first and second holders 12 and 14 are detachable and can be used in combination with units (holders) of different types.

First, the first holder 12 will be described.

The first holder 12 has a hexagonal cylinder case, and the pin pole 11 penetrates the cylinder hole. The outer surface of the hexagonal case is composed of five surfaces of the same shape and one larger surface. A corner cube 13 is fixedly installed on each of the five surfaces. As shown in FIG. 3, the corner cubes 13 are arranged at equal angular intervals of 52.5 ° in the horizontal direction about the pin pole 11. 5
The corner cubes 13 continuously cover a range of 270 ° in the horizontal direction.

Therefore, when the automatic tracking surveying instrument is tracked from the D direction, the corner cube support device is ± 13.
Even if the horizontal displacement occurs within the range of 5 °, the surveying instrument can continue the good tracking without losing sight of the prism. Therefore, the operator only needs to keep in mind that the corner cube support device is kept substantially vertical during the movement, and almost does not need to be careful about the orientation of the corner cube.

A circular bubble tube (not shown) arranged on the upper surface of the second holder 14 can be seen through the gap of the cylindrical case of the first holder 12, and the operator can support the corner cube based on this. The equipment can be leveled.

Next, the second holder 14 will be described.

The second holder 14 has a rectangular cylindrical case, and the upper surface of the case is arranged so as to close the cylindrical hole of the first holder 12. The sixth corner cube 16 is arranged in the case of the second holder 14. The corner cube 16 is set so as to face the opposite direction of the corner cube 13 arranged in the center of the first holder 12.

It is preferable that the corner cube 16 is set at an optimum position so that the error with respect to the measuring point becomes small even if the holder 14 rotates a little when the surveying is performed by the surveying instrument in the C direction.

The corner cubes 16 are supported by the yokes 15 arranged on both sides. The yoke 15 has a structure in which the tilt shaft 17 can be raised and lowered within a range of, for example, ± 30 ° by a servomotor (not shown) or manually. For this reason, even when the surveying instrument is vertically displaced from the prism, the corner cube 1
By finely adjusting the angle around the tilt axis 17 of 6, high-accuracy surveying is possible.

Further, the holder 14 may be set in the direction opposite to that shown in FIG. In this case, the surveying instrument follows the direction of the arrow D. However, if the corner cubes 16 of the holder 14 are arranged in the positional relationship shown in FIG. 1, the corner cubes 13 fixed to the holder 12 do not have a bad influence when the corner cube 16 of the holder 14 is used for high precision measurement.

On the upper surface of the holder 14, the pin pole 11
Is mounted perpendicular to the upper surface, and the circular bubble tube (not shown) described above is arranged next to it. A screw hole is vertically provided on the lower surface of the holder 14 so that a leveling table and a needle measuring device can be attached using the screw hole. If the plug 18 is attached to this screw hole and the telescopic survey pole (pin pole) 19 is attached thereto, the height of the device can be adjusted according to the height of the obstacle on the ground.

When the survey is carried out using the corner cube support device 10 of FIG. 1, the following procedure is performed. That is, when the support device 10 is moved and a rough survey is performed while continuously tracking with the automatic tracking survey instrument, the D side in FIG. 1 is directed toward the survey instrument. The direction may be slightly rounded.

Then, when obtaining an accurate measurement value at the final stage of surveying or when performing accurate positioning, the C side of the drawing is directed, and the corner cube 16 is finely adjusted as necessary.

The holder 12 and the holder 14 can be used alone. In particular, since the holder 14 is capable of finely adjusting the depression / elevation angle, it is possible to perform highly accurate surveying even when used in cooperation with a general surveying instrument.

[0028]

According to the corner cube support device of the first invention of the present application, since a plurality of corner cubes are radially arranged around one axis, even if the orientation of the support device is slightly misaligned, an automatic tracking surveying instrument is provided. Can be tracked by. Therefore, the burden on the operator can be reduced, and the work efficiency can be significantly improved.

Further, according to the corner cube supporting apparatus of the second invention of the present application, since the depression / elevation angle of the corner cube can be finely adjusted in accordance with the position of the surveying instrument, highly accurate surveying can be accurately realized at the measuring point.

The present invention is not limited to the above embodiment. The corner cubes are not limited to a total of six fixed dies and one fine adjustment dies, and any number of two or more corner cubes may be provided.

[Brief description of drawings]

FIG. 1 is a perspective view showing the outer appearance of an embodiment of a corner cube support device according to the present invention.

FIG. 2 is a view showing a usage state of a conventional corner cube support device.

3 is a top view of the first holder of FIG. 1. FIG.

FIG. 4 is a sectional view of the second holder of FIG.

FIG. 5 is an explanatory diagram showing offset adjustment in the present invention.

FIG. 6 is an explanatory diagram showing offset adjustment in the present invention.

[Explanation of symbols]

 10 Corner Cube Support Device 11 Pin Pole 12 First Holder 13 Corner Cube (Fixed Type) 14 Second Holder 15 Yoke 16 Corner Cube (Fine Adjustable Type) 17 Tilt Axis 18 Plug 19 Survey Pole (Pin Pole) 20 Corner Cube Support Device ( Conventional example) 30 worker 100 survey instrument

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[Procedure amendment]

[Submission date] March 30, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a perspective view showing the outer appearance of an embodiment of a corner cube support device according to the present invention.

FIG. 2 is a view showing a usage state of a conventional corner cube support device.

3 is a top view of the first holder of FIG. 1. FIG.

FIG. 4 is a sectional view of the second holder of FIG.

[Explanation of Codes] 10 Corner Cube Support Device 11 Pin Pole 12 First Holder 13 Corner Cube (Fixed Type) 14 Second Holder 15 Yoke 16 Corner Cube (Fine Adjustable Type) 17 Tilt Shaft 18 Plug 19 Survey Pole (Pin Pole) 20 Corner cube support device (conventional example) 30 Worker 100 Surveyor

Claims (3)

[Claims] 1. A corner cube support device for use with a surveying instrument, wherein a plurality of corner cubes (13) are arranged radially around a single axis (11). 2. A corner cube support device for use with a surveying instrument, wherein a corner cube (16) is rotatably supported about a tilt shaft (17), and a depression angle is finely adjusted according to the position of the surveying instrument. A corner cube support device characterized by having a structure that allows it. 3. A corner cube support device for use with a surveying instrument, wherein a plurality of corner cubes (13) are arranged radially around one axis (11) and another corner is provided near said one axis (11). A corner cube characterized in that the cube (16) is rotatably supported around a tilt shaft (17), and the depression / elevation angle of the corner cube (16) can be finely adjusted according to the position of the surveying instrument. Support device.