CN219416204U

CN219416204U - Measuring prism structure with storage type target

Info

Publication number: CN219416204U
Application number: CN202320374121.7U
Authority: CN
Inventors: 李龙
Original assignee: Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
Current assignee: Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-25
Anticipated expiration: 2033-03-03

Abstract

A measuring prism structure with a storage type target comprises a measuring prism, a prism shell and a plurality of targets; the measuring prism is embedded in the prism shell; a plurality of targets are arranged on the outer side of the prism shell in a surrounding way, and each target is hinged with the prism shell; the rotation angle of the target is 0-270 degrees compared with the hinge shaft; the surface area of the target is smaller than the cross section of the prism housing, and the surface of the target is provided with a self-luminous layer. The measuring prism structure with the accommodating type target does not need to be provided with the target when in use, and the angle is adjusted, so that the time is effectively saved. The target does not need to be carried independently, and a special device for storing and carrying the target is arranged; the target is small and flexible, and is convenient to store and use. The target is easy and quick to maintain. The light-storage self-luminous target can be used all-weather, and a scene works at night or in low illumination.

Description

Measuring prism structure with storage type target

Technical Field

The utility model discloses a measuring prism structure with a storage type target, and belongs to the technical field of engineering measuring equipment.

Background

Measurement prisms are commonly used in engineering ranging. In engineering ranging, the measuring prism reflects the light signals emitted by the total station, so that the total station measures the distance and angle between the total station and the measuring prism according to the light signals reflected by the measuring prism.

When the measurement distance is far, the setting position of the measurement prism cannot be accurately aligned with the total station, so that the optical signal reflected by the measurement prism is incomplete, and measurement errors are caused, therefore, a target for aiming at a target is generally arranged on the measurement prism, and the total station can quickly aim at the measurement prism.

In the prior art, before measurement, an independently arranged target needs to be manually installed outside a measuring prism, the installation process is time-consuming and labor-consuming, and the surface of the target and the mirror surface of the prism are difficult to achieve a parallel and vertical state, so that the measurement result is inaccurate.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides a measuring prism structure with a storage type target, which comprises a measuring prism, a prism shell and a plurality of targets;

the measuring prism is embedded in the prism shell;

the plurality of targets are arranged on the outer side of the prism shell in a surrounding mode, each target is hinged to the prism shell, and the rotation angle of the targets is 0-270 degrees compared with that of the hinging shaft;

the surface area of the target is smaller than the cross section of the prism housing, and the surface of the target is provided with a self-luminous layer.

Preferably, the target is detachably hinged to the prism housing.

Preferably, the number of targets is four;

the four targets are respectively arranged at the middle points of four sides of the prism housing.

Preferably, the transparent thin plate is also included;

the transparent sheet is disposed on the target surface, and the transparent sheet is hinged to the prism housing.

Preferably, the target is provided with a symmetrical geometrical pattern, an extension of the centre line of which passes through the orthographic projection point of the centre point of the measuring prism.

Preferably, the self-luminous layer is disposed on the geometric pattern.

The measuring prism structure of the self-contained type target has the following beneficial effects:

(1) The measuring prism structure with the accommodating type target does not need to be provided with the target when in use, and the angle is adjusted, so that the time is effectively saved. The target does not need to be carried independently, and a special device for storing and carrying the target is arranged; the target is small and flexible, and is convenient to store and use.

(2) The target is easy and quick to maintain.

(3) The light-storage self-luminous target can be used all-weather, and a scene works at night or in low illumination.

Drawings

FIG. 1 is a perspective view of a measuring prism with a target in an open position according to an embodiment of the present utility model;

fig. 2 is a front view of a target in an open state according to an embodiment of the present utility model;

fig. 3 is a front view of a target in a stowed condition according to an embodiment of the present utility model;

fig. 4 is a rear view of a target in an open state in an embodiment of the present utility model;

fig. 5 is a rear view of a target in a stowed condition in an embodiment of the utility model.

In the figure: 1. a measuring prism; 2. a prism case; 3. a target; 4. a screw; 5. and (3) a hinge.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems and devices are omitted so as not to obscure the description of the present utility model with unnecessary detail.

The preferred technical scheme of the utility model is further described below with reference to figures 1-5 and examples.

A measuring prism structure with a storage type target, as shown in fig. 1, comprises a measuring prism 1, a prism shell 2 and a plurality of targets 3; the measuring prism 1 is arranged in the prism shell 2; the plurality of targets 3 are arranged on the outer side of the prism housing 2 in a surrounding mode, each target 3 is hinged to the prism housing 2, and the rotation angle of the targets is 0-270 degrees compared with the hinge shaft. Allowing the target 3 to fold over the surface of the prism housing 2 or allowing the surface of the target 3 to be parallel to the surface of the measuring prism 1; when the surface of the target 3 is parallel to the surface of the measuring prism 1, the intersection point of the lines of the center points of the plurality of targets 3 coincides with the orthographic projection point of the center point of the measuring prism 1.

The prism shell 2 is internally embedded with the measuring prism 1, the prism shell 2 is cylindrical, and a plurality of targets 3 are arranged at the rear end of the prism shell 2 or in the middle of the prism shell 2 in a surrounding manner, or can be arranged at the front end of the prism shell 2 and on the same plane with the prism surface. Specifically, in this embodiment, the target 3 is disposed at the rear end of the prism housing 2, and the target 3 is detachably hinged to the prism housing 2, as shown in fig. 1, so that the target 3 can be replaced when the target 3 is damaged. The hinge tool is a hinge 5 or a hinge, preferably, the hinge 5 is selected as a hinge piece, one page of the hinge 5 is fastened on the plane outer surface or the arc outer surface of the bottom of the prism shell 2 through a screw 4 when the hinge is hinged, the other page of the hinge 5 is fastened on the target 3 through the screw 4, so that the target 3 rotates around the hinge 5, the target 3 can be folded on the surface of the prism shell 2 or the surface of the target 3 is parallel to the surface of the measuring prism 1 when the rotation angle of the target 3 is 0-270 degrees compared with the hinge shaft, and when the page of the hinge 5 is arranged on the bottom surface of the prism shell 2, the target 3 is in a storage state when the included angle between the two hinges is 0-270 degrees; when the included angle of the two hinges is 180 degrees, the target 3 is in a use state. When one page of the hinge 5 is arranged on the side edge of the prism shell 2, the target 3 is in a storage state when the included angle between the two hinges is 0 degrees or 270 degrees; when the included angle of the two hinges is 90 degrees, the target 3 is in a use state. As shown in fig. 2 and 4, the measuring prism of the present embodiment is shown in front and rear views, respectively, when the target 3 is in use. When the target 3 is in use, it is parallel to the surface of the measuring prism 1, and the intersection point of the lines connecting the center points of the plurality of targets 3 coincides with the orthographic projection point of the center point of the measuring prism 1, ensuring the measuring accuracy of the prism. As shown in fig. 3 and 5, in the storage state of the target 3, the measuring prism according to the present embodiment has a front view and a rear view. When the target 3 is folded on the surface of the prism housing 2, namely in a storage state, the surface area of the target 3 is smaller than the cross section of the prism housing 2, and the target 3 is stored on the bottom plane of the prism housing 2, so that the storage is convenient; the target 3 may also be received to the side surface of the prismatic housing 2, the length of the target 3 being smaller than the depth of the prismatic housing 2 when the target 3 is received to the side surface of the prismatic housing 2.

In the present utility model, the number of targets 3 includes three, four, eight, etc., preferably, the number of targets 3 is four, and the four targets 3 are respectively disposed at the middle points of four sides of the prism housing 2. In actual measurement, the measurement operation is generally performed by using the targets 3 in the upper, left and right directions, and in this embodiment, four targets 3 are provided, so that the measurement is ensured to be completed by at least three targets 3 without affecting the normal measurement operation in the case that one target 3 is damaged or cannot participate in the measurement operation under other special conditions.

The shape of the target 3 is various, and symmetrical geometric shapes such as a rectangle, a triangle and the like can be adopted, as shown in fig. 2, in this embodiment, a triangular target 3 is selected, one corner of the triangular target 3 is hinged with the prism housing 2, symmetrical geometric pattern marks are arranged on the surface of the target 3, the central line of the geometric pattern can be obviously observed, and the extension line of the central line of the geometric pattern passes through the orthographic projection point of the central point of the measuring prism 1. The color of the target 3 is printed with striking colors, that is, the color of the geometric pattern is more contrasted and striking with the background color of the target 3, and generally, a black background and yellow mark, a yellow background and black mark, a white background and white mark, a white background and red mark and the like can be adopted. Wherein the self-luminous layer is specifically coated with a light-storage self-luminous material.

The surface of the target 3 further comprises a transparent thin plate, in this embodiment, the transparent thin plate is made of organic glass, the organic glass is arranged on the surface of the target 3, the extending part of the transparent thin plate is hinged with the prism housing 2 through a hinge, the geometric pattern on the surface of the target 3 can be effectively protected from being damaged by adopting the organic glass, and the extending part is used as a hinge point to ensure the integrity of the surface pattern of the target 3.

The measuring prism structure with the accommodating type target does not need to be provided with the target and adjust angles when in use, so that the time is effectively saved. The target does not need to be carried independently, and a special device for storing and carrying the target is arranged; the target is small and flexible, and is convenient to store and use. The target is easy and quick to maintain. The light-storage self-luminous target can be used all-weather, and a working scene at night or under low illumination is not feared.

The foregoing description is only a few examples of the present application and is not intended to limit the present application in any way, and although the present application is disclosed in the preferred examples, it is not intended to limit the present application, and any person skilled in the art may make some changes or modifications to the disclosed technology without departing from the scope of the technical solution of the present application, and the technical solution is equivalent to the equivalent embodiments.

Claims

1. The measuring prism structure is characterized by comprising a measuring prism, a prism shell and a plurality of targets;

the measuring prism is embedded in the prism shell;

2. The target-receiving measuring prism structure of claim 1, wherein the target is detachably hinged to the prism housing.

3. The target-receiving measuring prism structure of claim 1, wherein the number of targets is four;

4. The target-receiving measuring prism structure of claim 1, further comprising a transparent sheet;

5. The measuring prism structure according to claim 1, wherein a symmetrical geometrical pattern is provided on the target, an extension of the center line of the geometrical pattern passing through the orthographic projection point of the center point of the measuring prism.

6. The target-receiving measuring prism structure of claim 5, wherein the geometric pattern has a self-luminescent layer disposed thereon.