JPH1183488A - Pole for survey provided with prism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a pole for survey easily seen and convenient to carry and by forming a sheet-like prism hard to weak on the whole surface of one side of the pole in the longitudinal direction. SOLUTION: The transverse cross-section shape of this pole is formed to be able to fix a sheet-like prism 2, and the sheet-like prism 2 is formed on one side of the pole 1 in the longitudinal direction of the pole 1. Collimating targets 3 are installed in the sheet-like prism 2 at prescribed intervals and a level 4 is installed in the upper part of the pole 1. A person uprightly holds the pole 1 at the measurement point and another person observes a collimating target 3 by an optical range meter to survey the distance based on the reflected light rays. After survey is finished, the pole 1 is moved to another measurement pole 1 and the distance is surveyed in the same manner. When the collimating target 3 used for the prior measurement can not be seen for there is an obstacle such as grass between the sheet-like prism 2 and the optical range meter, another collimating target 3 is used and the optical range meter is adjusted to measure the distance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveying pole provided with a prism used for measuring a distance with an optical distance meter.

[0002]

2. Description of the Related Art There is a method of measuring a distance by using a survey pole equipped with a prism and a lightwave distance meter. In this distance measurement method, the light of the LED is emitted from the lightwave rangefinder toward the prism of the surveying pole set at the surveying point, and the light reflected by the prism of the surveying pole is captured by the lightwave rangefinder to calculate the distance. Is what you do.

FIG. 2 is a perspective view of a surveying pole having a conventional prism.

A glass prism 5 is slidably supported on the pole 1 and mounted so as to be fixed at an arbitrary height. The prism 5 is provided with a mark 6 indicating the center position.

When measuring the distance between the surveying pole and the lightwave distance meter, one person holds the surveying pole at the measurement point, and the other person looks at the center of the prism of the surveying pole with the lightwave distancemeter and is reflected. The distance and angle are measured by the light. After completing the survey, the surveying pole is moved to the next surveying point, and the distance is measured by the same operation.

[0006]

In the case of surveying with a conventional survey pole equipped with a prism, since it is necessary to look at the center of a small prism having a diameter of about 5 cm, it takes time to focus on the prism. There are drawbacks. Also, if there is an obstacle such as grass between the prism and the lightwave distance meter, move the surveying pole or change the height of the prism so that the prism can be seen with the lightwave distance meter, and change the height To the observer of the lightwave rangefinder,
Since the distance is measured after the adjustment of the lightwave distance meter, there is also a problem that the surveying takes time.

Further, since the prism is made of glass,
It is heavy and has the disadvantage of breaking if handled carelessly.

The present invention solves the above-mentioned drawbacks by making it easy to see with a lightwave distance meter, without the need to move the prism.
An object of the present invention is to provide a surveying pole equipped with a prism, which does not break the prism, is lightweight, and is easy to carry.

[0009]

SUMMARY OF THE INVENTION The present invention relates to a surveying pole provided with a prism used for measuring a distance with a lightwave distance meter, wherein a sheet-like prism is provided on one side of the pole over the entire length direction of the pole. It is characterized by having.

The collimating targets may be provided at regular intervals in the longitudinal direction of the sheet prism.

[0011]

FIG. 1 shows a surveying pole provided with a prism according to the present invention, wherein FIG. 1A is a front view, FIG. 1B is a side view, and FIG. 1C is a plan view.

The surveying pole provided with the prism of the present invention has a sheet-like prism 2 provided on one surface of the pole 1 in the longitudinal direction of the pole 1.

The pole 1 can be manufactured freely in length and width, and the material may be any of wooden, metal and resin, and is not particularly limited. Further, the cross sectional shape of the pole 1 may be any shape as long as the sheet prism 2 can be fixed.

The sheet-like prism 2 is a sheet of about 0.4 mm capable of accurately refracting light, and a commercially available sheet-like prism is used. When the width of the sheet-like prism 2 is 2 cm or more and the measurement point is far,
Increase the width to make it easier to see, for example, 5-10c
m.

The collimating targets 3 are provided at regular intervals on the sheet prism 2, for example, 5 cm as shown in the figure.
Provide at intervals.

A level 4 is provided above the pole 1 as in the conventional pole.

Next, a method of using the survey pole of the present invention will be described.

One person holds a surveying pole at a measuring point, and the other person measures the distance with a lightwave distance meter by looking at a collimated target of a sheet-like prism of the surveying pole and reflecting light. After completing the survey, the surveying pole is moved to the next surveying point, and the distance is measured by the same operation.

If there is an obstacle such as grass between the prism and the lightwave distance meter and the collimation target at the time of the previous measurement cannot be seen, the observer changes to the collimation target that can be seen, and the lightwave distance meter. After adjusting, the distance is measured.

[0020]

According to the present invention, since the sheet-like prism is provided on the entire surface in the longitudinal direction of the pole, it is easy to see with a lightwave distance meter, and even if there is an obstacle such as grass between the prism and the lightwave distance meter. There is no need to move the prism or surveying pole. Furthermore, since the prism is a sheet-like prism, the prism is not broken and is lightweight and convenient to carry.

Also, even if there is an obstacle between the prism and the optical distance meter, the observer who measures the distance, not the person having the surveying pole, changes the height of the collimating target and changes the height of the collimated target. Since surveying is performed by adjusting the measurement, there is no surveying error.

[Brief description of the drawings]

FIG. 1 shows a survey pole equipped with a prism according to the present invention, wherein (a) is a front view, (b) is a side view, and (c) is a plan view.

FIG. 2 is a perspective view of a survey pole equipped with a conventional prism.

[Explanation of symbols]

 Reference Signs 1 pole 2 sheet prism 3 collimating target 4 level 5 prism 6 mark

Claims (2)

[Claims] 1. A surveying pole provided with a prism used for measuring a distance with a lightwave distance meter, wherein a sheet-like prism is provided on one surface of the pole over the entire surface in the longitudinal direction of the pole. Surveying pole equipped. 2. A surveying pole provided with a prism according to claim 1, wherein collimating targets are provided at regular intervals in a longitudinal direction of the sheet-like prism.