CN112648988A - Auxiliary device and method for measuring attitude of geological compass - Google Patents
Auxiliary device and method for measuring attitude of geological compass Download PDFInfo
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- CN112648988A CN112648988A CN202011303863.8A CN202011303863A CN112648988A CN 112648988 A CN112648988 A CN 112648988A CN 202011303863 A CN202011303863 A CN 202011303863A CN 112648988 A CN112648988 A CN 112648988A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
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Abstract
The invention discloses an auxiliary device and a measuring method for measuring attitude of a geological compass, wherein the device comprises: two rectangle stereoplasm dull and stereotyped A boards and B boards that the size is the same, stereoplasm dull and stereotyped A board and B board are connected through articulated pivot is articulated, articulated pivot has the angle scale that is used for reading the angle that opens and shuts of stereoplasm dull and stereotyped A board and B board. The extension of structural plane can be expanded outward through the device, indirect measurement can be achieved, the problems that the compass cannot be attached and measurement errors are large due to the fact that the exposed interface of the linear exposed structural plane is small are solved, the problems that the opening and closing angle of the compass is small, the sight line is blocked and reading cannot be conducted when the slowly-inclined structural plane at the top of the cavern is measured are solved, and the efficiency of occurrence measurement and the accuracy of measurement results are improved.
Description
Technical Field
The invention relates to the field of geological measurement, in particular to an auxiliary device and a measurement method for measuring attitude of a geological compass.
Background
Geological compasses are of great importance in geological work and are called one of three treasures of geologists. Geological compasses come in many forms, but their principle and form are essentially identical. A round basin type geological compass commonly used by geologists is composed of a magnetic needle, a dial, an inclinometer, an aiming target plate (or an aiming pointer), a water level and the like which are arranged in a metal round basin. A typical DQL-2A type geological compass is shown in figures 1 and 2. When the geological compass is used for measuring the occurrence of the linear exposed structural surface and the slow dip angle structural surface of the top plate of the cavern, the following problems exist: (1) the linear exposed structural surface has small exposed surface, and the cover back or the chassis straight edge of the geological compass cannot be tightly attached to the limited exposed interface, so that the attitude measurement of the structural surface is difficult, and the error of the measurement result is large; (2) when the shape of the slow inclination angle structural plane of the top plate of the cavern is measured, the included angle between the compass cover and the compass chassis is small, the measurement space is limited, the sight line is blocked, and the compass is difficult to level and read, so that the measurement result error is large. In order to solve the problems of difficult measurement of the structural aspect and large error of the measurement result, an auxiliary device with simple structure and easy operation is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing an auxiliary device and a measuring method for measuring the attitude of a geological compass, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an auxiliary device that geological compass measured and produced form, includes two the same rectangle stereoplasm dull and stereotyped A boards of size and B board, and stereoplasm dull and stereotyped A board and B board are connected through articulated pivot is articulated, and wherein the articulated pivot is taken the scale, can read the angle that opens and shuts of two stereoplasm flat boards.
According to the scheme, the hinged rotating shaft is provided with an angle scale of 0-180 degrees for reading the opening and closing angles of the hard flat plate A and the hard flat plate B.
A structural plane attitude measurement method based on the auxiliary device comprises the following steps:
if the linear exposed structural surface appearance is measured, the A plate or the B plate is tightly attached to the exposed limited interface of the linear structural surface when in use, so that the linear structural surface is extended and expanded; then, carrying out attitude measurement on the plate surface clinging to the linear structure surface by using a compass to obtain the attitude of the linear structure surface;
measuring the appearance of the exposed gentle-inclined structural plane of the top wall of the cavern, and concretely comprising the following steps:
1) the board B is tightly attached to the exposed inclined structure surface of the top wall of the hole chamber, the board A is opened to a certain angle to facilitate the measurement and reading of a compass, the opening and closing degree gamma of the A, B board is read through a hinged rotating shaft, wherein the gamma is more than or equal to 0 degree and less than 180 degrees;
2) measuring the attitude and tendency alpha of A plate by using compass1And angle of inclination beta1;
3) Determination of the tendency of the structural surface α:
when the structural plane is inclined to the direction of the hinge rotation shaft and the opening degree gamma of the A, B board is greater than 90 degrees, the inclination alpha of the structural plane is alpha1;
When the structural plane is inclined to the direction of the hinge rotation shaft and the opening degree gamma of the A, B board is less than 90 degrees, if alpha is more than or equal to 0 degrees1If < 180 °, the tendency of the structural plane α is α1+180 °; if the angle is less than or equal to 180 degrees alpha1If < 360, the tendency of the structural plane α is α1-180°;
When the structural surface inclines to the B plateWhen the opening degree gamma of the A, B board is less than 90 DEG in the outer edge line direction, the tendency alpha of the structural surface is alpha1;
When the structural plane is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is more than 90 degrees, if alpha is less than or equal to 0 degrees1If < 180 °, the tendency of the structural plane α is α1+180 °; if the angle is less than or equal to 180 degrees alpha1If < 360, the tendency of the structural plane α is α1-180°;
4) Determining the inclination angle beta of the structural surface:
when the structural plane inclines to the direction of the hinge rotation shaft and the opening degree gamma of the A, B board is more than 90 degrees, the inclination angle beta of the structural plane is gamma + beta1-180°;
When the structural plane is inclined to the hinge rotating shaft and the opening degree gamma of the A, B board is less than 90 degrees, the inclination angle beta of the structural plane is gamma-beta1;
When the structural plane inclines to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is less than 90 degrees, the inclination angle beta of the structural plane is beta1-γ;
When the structural plane is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is more than 90 degrees, the inclination angle beta of the structural plane is 180 degrees-gamma-beta1。
The invention has the following beneficial effects:
the auxiliary device is combined with the compass, so that the problems that the attitude of the structural surface is difficult to measure and the error of the measuring result is large due to the fact that the exposed surface is small and the cover back or the chassis straight edge of the geological compass cannot be tightly attached to the limited exposed interface are solved; the problem of when the shape of the slowly-inclined angle structural plane of the cavern roof is measured, the compass lid is less with the compass chassis between contained angle, measurement space is limited, the sight is obstructed, compass leveling and reading difficulty, and then lead to the measuring result error big is solved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of a typical DQL-2A type geological compass;
FIG. 3 is a schematic view of a geological compass auxiliary for measuring attitude of a subject;
FIG. 4 is a schematic view of the hinge shaft of the geological compass measurement attitude auxiliary device;
FIG. 5 is a schematic representation of the use of the present invention to assist a geological compass in measuring linear emerging texture occurrence;
FIG. 6 is a schematic diagram of the use of the auxiliary geological compass of the present invention to measure attitude of a slowly-tilting structural surface of a roof of a cavern;
in the figure: 1-compass upper cover; 2-a reflector; 3-the compass is hinged with the rotating shaft; 4-a chassis; 5-magnetic needle; 6-azimuth angle dial; 7-gravity type inclination angle measuring pointer; 8-tilt angle dial; 9-aiming pointer; 10-a level; 11-auxiliary device a plate; 12-auxiliary device B plate; 13-hinged rotating shaft with angle measuring scale; 14-geological compass schematic; 15-the objective texture surface is measured by the attitude.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 3, an auxiliary device for measuring attitude of geological compass is characterized in that: the auxiliary device is formed by hinging two rectangular hard flat plates (made of metal, plastic and the like) with the same size, wherein a hinged rotating shaft is provided with scales, and the opening and closing angle of the two hard flat plates can be read. As shown in figure 4, the hinged rotating shaft is provided with scales of 0-180 degrees, and the opening and closing angle of the hard flat plate A and the hard flat plate B can be read.
As shown in fig. 5, the method for measuring the occurrence of the linear exposed structural surface by using the auxiliary device comprises the following steps:
firstly, when in use, the A plate or the B plate is tightly attached to a exposed limited interface of a linear structural surface to realize the extension and the outward expansion of the linear structural surface;
and step two, carrying out attitude measurement on the plate surface clinging to the linear structure surface by using a compass to obtain the attitude of the linear structure surface.
The compass used in the present embodiment is schematically shown in fig. 1 and fig. 2, and includes a compass upper cover 1 and a reflector 2; the compass is hinged with a rotating shaft 3; a chassis 4; a magnetic needle 5; an azimuth angle dial 6; a gravity type inclination angle measuring pointer 7; an inclination angle dial 8; an aiming pointer 9 and a level 10.
Referring to fig. 6, the method for measuring the appearance of the exposed gentle dip structural surface of the top wall of the cavern by using the auxiliary device comprises the following steps:
firstly, a board B is attached to a gentle-inclination structural surface, the board A is opened to a certain angle (the compass can conveniently measure and read), and the opening degree gamma (gamma is more than or equal to 0 degree and less than 180 degrees) of the A, B boards is read through a hinged rotating shaft;
step two, measuring the occurrence, the inclination alpha 'and the inclination angle beta' of the A plate;
step three, determining the inclination alpha of the structural surface: as shown in fig. 6(a), when the structural plane is inclined to the hinge rotation axis direction and the opening degree γ of the A, B board is greater than 90 °, the inclination α of the structural plane is α'; when the structural face is inclined to the direction of the hinge rotation axis and the opening degree gamma of the A, B board is less than 90 degrees, the inclination alpha of the structural face is alpha '+ 180 degrees (0 degrees and alpha' < 180 degrees) or alpha '-180 degrees (180 degrees and alpha' < 360 degrees); as shown in fig. 6(B), when the structural plane is inclined to the direction of the outer edge line of the B board, and the opening degree γ of the A, B board is less than 90 °, the inclination α of the structural plane is α'; when the structure face is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is more than 90 degrees, the inclination alpha of the structure face is alpha '+ 180 degrees (0 degrees and alpha' < 180 degrees) or alpha '-180 degrees (180 degrees and alpha' < 360 degrees);
step four, determining the inclination angle beta of the structural plane: when the structural plane inclines to the direction of the hinge rotating shaft and the opening degree gamma of the A, B board is more than 90 degrees, the inclination angle beta of the structural plane is gamma + beta' -180 degrees; when the structural plane is inclined to the hinge rotating shaft and the opening degree gamma of the A, B board is less than 90 degrees, the inclination angle beta of the structural plane is gamma-beta'; when the structural plane inclines to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is less than 90 degrees, the inclination angle beta of the structural plane is beta' -gamma; when the structural plane is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is greater than 90 degrees, the inclination angle beta of the structural plane is 180 degrees-gamma-beta'.
The extension of structural plane can be expanded outward through the device, indirect measurement can be achieved, the problems that the compass cannot be attached and measurement errors are large due to the fact that the exposed interface of the linear exposed structural plane is small are solved, the problems that the opening and closing angle of the compass is small, the sight line is blocked and reading cannot be conducted when the slowly-inclined structural plane at the top of the cavern is measured are solved, and the efficiency of occurrence measurement and the accuracy of measurement results are improved.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (3)
1. An auxiliary device for measuring attitude of geological compass is characterized by comprising: two rectangle stereoplasm dull and stereotyped A boards and B boards that the size is the same, stereoplasm dull and stereotyped A board and B board are connected through articulated pivot is articulated, articulated pivot has the angle scale that is used for reading the angle that opens and shuts of stereoplasm dull and stereotyped A board and B board.
2. The geological compass auxiliary of measurement of attitude of claim 1 wherein said hinge axis has an angular scale of 0 ° to 180 ° for reading the opening and closing angle of the rigid plates a and B.
3. A method of measuring the attitude of a structural surface of an auxiliary device for measuring attitude based on a geological compass as claimed in claim 1 or 2, comprising the steps of:
if the linear exposed structural surface appearance is measured, the A plate or the B plate is tightly attached to the exposed limited interface of the linear structural surface when in use, so that the linear structural surface is extended and expanded; then, carrying out attitude measurement on the plate surface clinging to the linear structure surface by using a compass to obtain the attitude of the linear structure surface;
measuring the appearance of the exposed gentle-inclined structural plane of the top wall of the cavern, and concretely comprising the following steps:
1) the board B is tightly attached to the exposed inclined structure surface of the top wall of the hole chamber, the board A is opened to a certain angle to facilitate the measurement and reading of a compass, the opening and closing degree gamma of the A, B board is read through a hinged rotating shaft, wherein the gamma is more than or equal to 0 degree and less than 180 degrees;
2) measuring the attitude and tendency alpha of A plate by using compass1And the angle of inclinationβ1;
3) Determination of the tendency of the structural surface α:
when the structural plane is inclined to the direction of the hinge rotation shaft and the opening degree gamma of the A, B board is greater than 90 degrees, the inclination alpha of the structural plane is alpha1;
When the structural plane is inclined to the direction of the hinge rotation shaft and the opening degree gamma of the A, B board is less than 90 degrees, if alpha is more than or equal to 0 degrees1If < 180 °, the tendency of the structural plane α is α1+180 °; if the angle is less than or equal to 180 degrees alpha1If < 360, the tendency of the structural plane α is α1-180°;
When the structural face is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is less than 90 degrees, the inclination alpha of the structural face is alpha1;
When the structural plane is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is more than 90 degrees, if alpha is less than or equal to 0 degrees1If < 180 °, the tendency of the structural plane α is α1+180 °; if the angle is less than or equal to 180 degrees alpha1If < 360, the tendency of the structural plane α is α1-180°;
4) Determining the inclination angle beta of the structural surface:
when the structural plane inclines to the direction of the hinge rotation shaft and the opening degree gamma of the A, B board is more than 90 degrees, the inclination angle beta of the structural plane is gamma + beta1-180°;
When the structural plane is inclined to the hinge rotating shaft and the opening degree gamma of the A, B board is less than 90 degrees, the inclination angle beta of the structural plane is gamma-beta1;
When the structural plane inclines to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is less than 90 degrees, the inclination angle beta of the structural plane is beta1-γ;
When the structural plane is inclined to the direction of the outer edge line of the B board and the opening degree gamma of the A, B board is more than 90 degrees, the inclination angle beta of the structural plane is 180 degrees-gamma-beta1。
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CN213397096U (en) * | 2020-11-19 | 2021-06-08 | 长江三峡勘测研究院有限公司(武汉) | Auxiliary device for measuring attitude of geological compass |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN206440279U (en) * | 2016-10-26 | 2017-08-25 | 中国电建集团华东勘测设计研究院有限公司 | It is a kind of can rapid measuring circumferentor |
CN207487686U (en) * | 2017-11-14 | 2018-06-12 | 云南省建筑科学研究院 | A kind of circumferentor auxiliary mat |
CN208688481U (en) * | 2018-10-11 | 2019-04-02 | 成都理工大学 | A kind of geological occurrence measuring instrument |
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