JPH10339635A - Surveying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately measure a measurement point with a simple operation by providing a through hole for measuring a measurement point at the center of an equipment enclosure and providing it vertically to a central cylinder. SOLUTION: Posts 2 and 2 are erected on an equipment enclosure 1, a mirror cylindrical enclosure of a telescope 3 for surveying is erected between the posts 2 and 2 so that it can be rotated, and a through hole 5 with a thickness where a measurement point can be seen is provided at the center of the equipment enclosure 1. The equipment enclosure 1 supports a perpendicular shaft 7 and a perpendicular central shaft 8 with a level screw 6, a manual plate 9 is overlapped onto the upper part of the perpendicular central shaft 8, and a horizontal encoder 10, an encoder support 11, a light-emitting element 12, and a light-reception element 13 are successively combined onto the manual plate 9. A tripod is placed at the upper portion of an approximate measurement point, the telescope 3 is rotated perpendicularly, the equipment enclosure 1 is moved horizontally up and down and left and right so that a measurement point is on the light axis for adjustment, and the center of the telescope 3 on a machine stand 15 is directly above the measurement point. With this structure, by observing the telescope 3, the telescope 3 can be adjusted easily perpendicularly at the measurement point.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surveying instrument for measuring a survey point with a telescope.

[0002]

2. Description of the Related Art Conventionally, as a centripetal device of a surveying instrument, besides using a vertical ball, a device for determining the position of the surveying instrument by matching a base point of a centripetal telescope with a measuring point has been used.

In order to solve the problem of the centripetal telescope,
A centripetal device that projects a laser beam (Japanese Patent Laid-Open No. 6-21366)
No. 4) was also proposed.

[0004]

The above-mentioned conventional centripetal telescope has a problem that the aperture is small and the field of view tends to be dark due to the mounting location. And the problem that the measuring device had to be installed separately.

[0005]

SUMMARY OF THE INVENTION The present invention has solved the above-mentioned conventional problems by using a telescope for surveying.

That is, the present invention relates to a surveying instrument in which a lens barrel housing is rotatably mounted on a support installed on a container housing.
A surveying instrument characterized by vertically penetrating a through hole for measuring a measuring point in the center of the container box, and providing a through hole in the center of the container box as a through hole. It has a central cylinder installed vertically.

According to another aspect of the present invention, there is provided a surveying instrument having a lens barrel housing rotatably mounted on a support installed on a container housing.
In the center of the casing, a through hole for measuring a measuring point is vertically provided, and a branch tube for measuring the measuring point is installed in a direction perpendicular to the optical axis of the lens barrel, The objective lens is fitted to the outer end of the branch tube, and the lens barrel and the connecting portion of the branch tube are
A surveying instrument characterized in that a prism for refracting an incident light beam from a measuring point by 90 degrees and leading it to an eyepiece is inserted and removed freely.

The present invention is basically a conventionally known surveying instrument with a slight design change, and has substantially the same manufacturing cost and the same measuring instrument performance.

In the present invention, when the surveying telescope is not rotated by 90 degrees, means for bending an incident light beam from the measuring point in a right angle direction (direction of the eyepiece) between the eyepiece and the objective lens (for example, Although it is necessary to attach a prism to the optical axis, this technique is the same as that in the case where a prism is interposed on a conventionally known optical axis.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention uses a telescope for surveying.
By rotating it by 0 degrees, the measuring point can be measured with a telescope through the through hole in the center of the container (the telescope is 36
Can rotate 0 degrees).

Accordingly, a through hole for measuring a measuring point is provided at the center of the housing of the surveying instrument so that the measuring point can be seen on the optical axis of the telescope. When the telescope is not rotated by 90 degrees, an optical means is provided to refract the optical axis of the telescope by 90 degrees.

[0012]

[Embodiment 1] Pillars 2, 2 are planted at a predetermined interval on a container 1, and a lens barrel casing 28 of a telescope 3 for surveying is rotatably installed between the pillars 2, 2. A through-hole 5 having a thickness that allows the measurement point 4 to be seen is vertically provided in the center of the container 1. The casing 1 supports a vertical shaft 7 and a vertical center shaft 8 with leveling screws 6, a manual plate 9 is placed on top of the vertical center shaft 8, and a horizontal encoder receiver 10 and an encoder receiver 11 are placed on the manual plate 9. , A light emitting element 12 and a light receiving element 13 are sequentially combined. In the drawing, reference numeral 14 denotes a leveling screw holder, 15 denotes a main unit stand, 16 denotes a tripod stand, and 17 denotes a tripod.

In the above embodiment, the position of the telescope 3 on the main unit 15 is set immediately above the measuring point 4 by using the tripod mount 1.
6 is placed above the measuring point 4, the telescope 3 is turned vertically, and while looking into the telescope 3, the instrument housing 1 is moved back and forth so that the measuring point 4 comes on its optical axis. Then, it is adjusted by horizontally moving left and right (FIG. 4). Next, in the embodiment of FIG. 2, the central cylinder 24 is inserted into the through hole 5 of the embodiment of FIG.

As the structure of the horizontal movement, a conventionally well-known structure can be used. Therefore, a person who has used a conventional surveying instrument can measure the position of the telescope 3 while looking into the telescope 3. 4 can be easily adjusted vertically.

[0015]

[Embodiment 2] FIG. 3 shows a configuration in which the measuring point 4 can be viewed without rotating the lens barrel housing 28 of the telescope 3 to the vertical. That is, the objective lens 19 is fitted to the outer end of the branch tube 18 of the telescope 3, and the branch tube 18 and
A prism 20 is installed at the intersection of the optical axis of the telescope 3 so as to be freely inserted and removed. The prism 20 is supported by a support rod 21 and can move the prism 20 in the direction of arrow 25 or 26 by rotating the cylinder nut 23 connected to the knob 22 in the forward or reverse rotation direction. Then, while turning the knob 22 to a predetermined position and looking into the telescope 3, the projection light incident from the branch tube 18 as indicated by the arrow 27 is refracted by the prism 20 and reaches the eyepiece 3 a of the telescope 3. Therefore, the measuring point 4 can be seen.
Therefore, as in the first embodiment, the position of the housing 1 is horizontally moved to the front, back, left and right while looking through the telescope 3, and the center point of the telescope 3 is adjusted to be vertically above the measuring point 4. be able to.

In the above, when the measuring point 4 is dark (depending on the external environment at the time of surveying), an appropriate light emitting means is used. For example, it is possible to irradiate the upper surface of the measuring point by operating a switch with a battery light emitting means built in the housing 1.

[0017]

According to the present invention, a measuring point is measured with a telescope by installing a lens barrel so as to be rotatable, and the center of the housing can be set on a vertical line of the measuring point. There is an effect that measurement points can be accurately measured by the operation. According to the present invention, there is no need to use a special device for measuring the measurement points, and thus there are various effects such as no possibility of causing a rise in price.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view in which a part of an embodiment of the present invention is omitted.

FIG. 2 is an enlarged cross-sectional view of another embodiment.

FIG. 3 is a conceptual diagram in which a part of the embodiment of the branch tube is omitted.

FIG. 4 is an explanatory diagram when a surveying instrument is installed on a surveying point.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 container case 2 support 3 telescope 4 measuring point 5 through hole 6 leveling screw 7 vertical axis 8 vertical center axis 9 manual plate 10 horizontal encoder receiver 11 encoder receiver 12 light emitting element 13 light receiving element 14 leveling screw holder 15 main body stand 16 Tripod stand 17 Tripod 18 Branch tube 19 Objective lens 20 Prism 21 Support rod 22 Knob 23 Nut 28 Lens barrel housing

Claims (3)

[Claims] In a surveying instrument in which a lens barrel housing is rotatably mounted on a support installed on a housing, a through hole for measuring a measuring point is provided in a central portion of the housing. A surveying instrument characterized by being vertically installed. 2. The surveying instrument according to claim 1, wherein a through-hole is provided in the center of the container body as a through-hole, and a central cylinder is vertically provided in the through-hole. 3. A surveying instrument in which a lens barrel housing is rotatably mounted on a support installed on a container housing, and a through hole for measuring a measuring point is provided in a central portion of the container housing. Along with penetrating vertically, a branch tube for measuring a measuring point is installed in a direction perpendicular to the optical axis of the barrel, and an objective lens is fitted to the outer end of the branch tube. A surveying instrument comprising a prism for refracting an incident light beam from a measuring point by 90 degrees and guiding the ray to an eyepiece at a connection portion with a cylinder.