CN109102750B - Total station coordinate measurement data acquisition method - Google Patents
Total station coordinate measurement data acquisition method Download PDFInfo
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- CN109102750B CN109102750B CN201811250256.2A CN201811250256A CN109102750B CN 109102750 B CN109102750 B CN 109102750B CN 201811250256 A CN201811250256 A CN 201811250256A CN 109102750 B CN109102750 B CN 109102750B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The divisional application discloses a total station coordinate measurement data acquisition method; the technical points are as follows: the total station model is placed at a measuring station A, representing erection of the total station is completed, the control point model is placed at a rear view point B, representing completion of setting of the rear view point, the loop bar (8) is slightly loosened, and the tightening hoop (6) is rotated, so that the plane where the inclined bar (9) and the cross bar (10) are located and the rear view point B are approximately in the same plane; through the use of the total station coordinate measurement teaching model, the teaching effect is greatly improved by combining the instruction explanation of a teacher and enabling students to vividly and vividly know the basic process and related work of the total station coordinate measurement.
Description
The application is a divisional application with application number 2017100250621, application date 2017-01-13 and invention name 'teaching model and measuring method for total station coordinate measurement'.
Technical Field
The invention relates to a teaching aid, in particular to a teaching model.
Background
The total station coordinate measurement mainly comprises data acquisition and lofting, wherein the data acquisition is to measure a specific coordinate of a point to be measured, the lofting is to give a specific coordinate, and a specific position of the coordinate is found in an actual terrain. In coordinate measurement, data acquisition relates to the setting content of a station to be measured and a rear viewpoint and the measurement process of the point to be measured. In addition to setting a survey station and a back viewpoint, lofting needs to find out the position of a point in an actual terrain according to coordinate data, and a student cannot vividly and vividly know the basic process and related work of coordinate measurement of a total station simply by oral explanation of a teacher, such as: setting a rear viewpoint, measuring a principle process of a point to be measured, and measuring and setting a building.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a total station coordinate measurement teaching model which is divided into two models, wherein one model is a control point model, the other model is a total station model, and the two models are combined to improve the teaching effect through demonstration.
The technical scheme of the invention is as follows:
a total station coordinate measurement teaching model comprises a control point model and a total station model; the control point model comprises a first base, a first straight rod and a mark cloth, wherein the bottom of the first straight rod is fixedly connected with the first base, and the mark cloth is sleeved on the upper part of the first straight rod;
the total station model comprises a second base, a second straight rod, a scale disc, a tightening hoop and a sleeve rod, wherein the bottom of the second straight rod is fixedly connected with the second base; the upper part of the second straight rod is a threaded column with the diameter smaller than that of the second straight rod body, the lower part of the sleeve rod is provided with a threaded hole matched with the threaded column of the second straight rod, the disc-shaped scale disc is sleeved on the threaded column of the second straight rod, the threaded column of the second straight rod is screwed into the threaded hole of the sleeve rod and screwed tightly, and the scale disc is fastened on the threaded column at the upper part of the second straight rod between the second straight rod and the sleeve rod; the tightening ring is connected to the periphery of the lower part of the loop bar and is positioned above the scale disc.
The clamp ring comprises a ring body, an inclined rod and a cross rod, the cross rod and the ring body are of an integrated structure, two symmetrical threaded holes which are used for fastening the ring body and can pass through bolts are formed in one side of the ring body, and the inclined rod is movably connected to the other side of the ring body through a roller which is arranged at one end of the inclined rod and is used for adjusting the inclination angle of the inclined rod.
Further, a roller is fixed to one end of the diagonal rod, a groove is formed in one side of the ring body, the roller is placed in the groove body, the roller is clamped by two side walls of the groove, the two side walls and the roller are provided with coaxial through holes for a shaft to pass through, the shaft is provided with threads at portions extending out of the two side walls to form a threaded shaft, and a bolt is screwed on the threaded shaft to fasten the distance between the two side walls, so that the roller is clamped and fixed by the two side walls.
Furthermore, one end of the diagonal rod is fixed with a roller wheel which is a magnet in the shape of a wheel, the contact angle between the magnet and the clamping ring is changed, and the inclination angle of the diagonal rod is adjusted.
Further, the bolt is fixed in the threaded hole through a double-lug nut (6.2).
Further, the thread on the lower portion of the second straight rod is in threaded connection with the threaded hole in the center of the second base, the thread on the lower portion of the first straight rod is in threaded connection with the threaded hole in the center of the first base, and the first straight rod and the second straight rod are both cylindrical telescopic rods.
Furthermore, the scale disc is provided with uniform scale marks (7.1), marks (X) are arranged at the scale position of 0 ' of the scale marks, marks (Y) are arranged at the scale position of 90 ', a threaded hole is formed in the circle center of the scale disc and is matched with the thread on the upper portion of the second straight rod to be fixedly connected, the upper portion of the sleeve rod is marked with Z ', the inclined rod and the cross rod body are respectively marked with SD and HD, and the inclined rod and the cross rod body are both cylindrical telescopic rods.
Furthermore, the first base and the second base are both discs, a threaded hole is formed in the circle center of each disc, the threaded hole of the first base is in threaded connection with the first straight rod with threads, and the threaded hole of the second base is in threaded connection with the second straight rod with threads.
A total station coordinate measurement method using any one of the total station coordinate measurement teaching models comprises the following steps: and (6) data acquisition and lofting.
Further, the data acquisition method comprises the following steps: placing a total station model at a measuring station A, representing that erection of the total station is completed, placing a control point model at a rear view point B, representing that setting of the rear view point is completed, slightly loosening a loop bar, rotating a tightening hoop to enable the plane of an inclined bar and a cross bar to be approximately in the same plane as the rear view point B, twisting a double-lug nut (6.2) to fix a loop body of the tightening hoop, then swinging the inclined bar to enable the inclined bar to be aligned with the mark cloth of the rear view point B, rotating the loop bar to be re-fixed, representing that the total station is aligned with the rear view point B to orient the rear view point, enabling the total station to find the north direction of a coordinate system, and representing that a coordinate system is established; then, the steps are repeated, the total station is aligned to the unknown point C to be measured, the inclined rod represents the inclined distance SD from the total station to the point C to be measured, the cross rod represents the straight distance HD from the total station to the point C to be measured, and the included angle between the inclined rod and the cross rod is alpha;
the geometric relationship is SD multiplied by cos alpha as HD;
the included angle between the cross bar and the scale mark of '0' on the scale disc is β, the included angle is the coordinate azimuth angle of the unknown point C to be measured, and the known station A (X) is measuredA，YA，ZA) Measuring the coordinate to obtain the point C (X)C，YC，ZC) The coordinate and the geometric relation are
XC=XA+HD×cosβ
YC=YA+HD×sinβ
ZC=ZA+SD×sinα
Thus obtaining the coordinates of all points to be measured and finishing data acquisition.
Further, the lofting, the total station model is placed at a survey station A, the total station is erected on behalf of the total station, the control point model is placed at a rear viewpoint B, the rear viewpoint setting is completed on behalf of the total station, the control point coordinate model is moved after the rear viewpoint is oriented, then the ring body of the tightening hoop is rotated, the diagonal rod is swung to be aligned with the control point model, the tightening hoop is fixed by twisting a double-lug nut (6.2), the loop rod is rotated to be fixed again, the slope SD represented by the diagonal rod at the moment, the horizontal distance HD represented by the cross rod, the included angle β between the X axis represented by the scale of '0' marked on the circular dial and the included angle α between the cross rod and the diagonal rod are obtained, and the current control point coordinate (X) is obtainedC ’，YC ’，ZC ’) The geometrical relationship is as follows:
XC ’=XA+HD×cosβ
YC ’=YA+HD×sinβ
ZC ’=ZA+SD×sinα
from the coordinate values of the phase differences compared to the coordinates of a given known point,
ΔX=XC-XC ’
ΔY=YC-YC ’
ΔZ=ZC-ZC ’
and then, moving the control point model purposefully, repeating the steps until the coordinate comparison phase difference values delta X, delta Y and delta Z are 0, wherein the position of the control point model is the specific position of the coordinate of the known point on the actual terrain, and finding out other lofting points by using the steps similarly to finish lofting.
The invention has the beneficial effects that: through the use of the total station coordinate measurement teaching model, the teaching effect is greatly improved by combining the instruction explanation of a teacher and enabling students to vividly and vividly know the basic process and related work of the total station coordinate measurement.
Drawings
The invention shares figure 9.
FIG. 1 is a front view of a control point model utilizing the present invention;
FIG. 2 is a top view of a control point model of the present invention;
fig. 3 is a front view of a total station model of the present invention;
FIG. 4 is a top view of a total station model of the present invention
FIG. 5 is an enlarged view of a portion of a total station model of the present invention;
fig. 6 is a partially enlarged perspective view of a total station model of the present invention;
FIG. 7 is a perspective view of a control point model of the present invention;
fig. 8 is a perspective view of a total station model of the present invention;
fig. 9 is a structure for adjusting the inclination angle of the diagonal member.
The reference numbers in the figures are as follows: 1. the device comprises a first base, 2, a first straight rod, 3, marking cloth, 4, a second base, 5, a second straight rod, 6, a tightening ring, 6.1, a bolt, 6.2, a double-lug nut, 6.3, a sliding wheel, 7, a scale disc, 7.1, scale marks, 8, a loop bar, 9, an inclined bar, 10 and a cross bar.
Detailed Description
The invention is further illustrated with reference to the accompanying figures 1 to 9: the technical scheme of the invention is as follows: the total station coordinate measurement teaching model is mainly divided into two parts. One part is a control point model which is used as a rear view point and a point to be measured; the control point model includes: the first straight rod 2 is connected with the first base 1 through a nut and a bolt, and the marking cloth 3 is sleeved on the first straight rod 2. The other part is a total station model which comprises a second base 4, a second straight rod 5, a scale disc 7, a tightening ring 6 and a loop bar 8, wherein the bottom of the second straight rod 5 is fixedly connected with the second base 4;
the upper part of the second straight rod 5 is a threaded column with the diameter smaller than that of the second straight rod body, the lower part of the sleeve rod is provided with a threaded hole matched with the threaded column of the second straight rod, a disc-shaped scale disc 7 is sleeved on the threaded column of the second straight rod 5, the threaded column of the second straight rod 5 is screwed into the threaded hole of the sleeve rod and screwed tightly, so that the scale disc 7 is fastened on the threaded column at the upper part of the second straight rod 5 between the second straight rod 5 and the sleeve rod 8; the tightening ring 6 is hooped on the periphery of the lower part of the loop bar 8, and the tightening ring 6 is positioned above the scale disk 7. Namely, the scale disc 7 sleeved on the threaded column is fastened between the second straight rod body and the sleeve rod in a mode of screwing the threaded column through the spiral hole of the sleeve rod; the hooping 6 comprises a hoop body, an inclined rod 9 and a cross rod 10, the cross rod 10 and the hoop body are of an integral structure or fixedly connected, one side of the hoop body is provided with two symmetrical threaded holes which are used for fastening the hoop body and can pass through bolts 6.1, the inclined rod 9 is movably connected to the other side of the hoop body through a roller which is arranged at one end of the inclined rod and used for adjusting the inclined angle of the inclined rod 9, namely, the hoop body is provided with an inclined rod inclined angle adjusting structure, and in one embodiment, the adjusting structure is that: referring to fig. 9, a roller is fixed to one end of the diagonal rod 9, a groove is formed in one side of the ring body, the roller is placed in the groove body, and the roller is clamped by two side walls of the groove, the two side walls and the roller have coaxial through holes for a shaft to pass through, the shaft has threads at portions extending out of the two side walls to form a threaded shaft, and a bolt is screwed on the threaded shaft to fasten the distance between the two side walls, so that the roller is clamped and fixed by the two side walls; after the bolt is unscrewed, the roller is in a rotatable state, and the angle of the inclined rod is adjusted.
The first base 1 and the second base 4 are both disc structures, the thickness is 20mm, the diameter is 100mm, the diameter of a spiral hole is 8mm, and a threaded hole is formed in the circle center.
The scale disc 7 is a disc with the thickness of 2mm, the diameter of 120mm and the diameter of a threaded hole of 6mm, uniform scale marks (7.1) are arranged on the scale disc, marks X are arranged at the scale positions of 0, marks Y are arranged at the scale positions of 90, and a threaded hole is arranged at the circle center of the scale disc 7 and is used for being sleeved on the upper portion, with the thread, of the second straight rod 5.
The threaded part at the lower part of the second straight rod 5 is connected with a threaded hole at the center of the circle of the second base 4, the threaded part at the lower part of the first straight rod 2 is connected with a threaded hole at the center of the circle of the first base 1, and the two rods are cylindrical telescopic rods. The height of the second straight rod 5 is 200mm, and the telescopic rod is composed of two rods with the diameters of 12mm and 10mm respectively and the height of 100 mm. The lower part of the base is provided with a threaded column which is 16mm long and 8mm in diameter and can be connected with a threaded hole of the second base 4. The upper part of the second straight rod is provided with a threaded column which is 30mm long and 6mm in diameter, and the threaded column is connected with the tightening ring 6, the scale disc 7 and the loop bar 8.
The length of the loop bar 8 is 100mm, the diameter of the loop bar is 10mm, the diameter of a threaded hole at the lower part of the loop bar is 6mm, the loop bar is sleeved at the upper part of the straight bar 5 at the threaded part, and the loop bar 6 and the scale disc 7 are fixed. And the upper part of the loop bar 8 is marked with a mark Z.
The inclined rod 9 and the cross rod 10 are respectively marked with 'SD' and 'HD', and are cylindrical telescopic rods. The lengths are 160mm and 100mm respectively, and the diameters are 6 mm.
The sliding wheel 6.3 is welded to the connecting part and is integral with the clamping ring 6.
In one embodiment, in order to adjust the tilting angle of the tilting lever, another tilting lever angle adjusting structure is used, in which a magnet having a wheel-shaped roller is provided, and the contact angle between the magnet and the band is changed, thereby adjusting the tilting angle of the tilting lever, see fig. 6.
The straight rod and the scale disc are made of low-carbon steel with good rigidity and toughness.
In one embodiment, the control point model of the total station coordinate measurement teaching model is formed by mutually assembling a first base 1, a first straight rod 2 and a marking cloth 3, and is used as a rear view point and a point to be measured, the model can be multiple, the first straight rod 2 is a telescopic rod, and the marking cloth is marked with letters "a", "B", "C" and the like to represent the rear view point and different points to be measured. The total station model is formed by connecting a second base 4 with the lower part of a straight rod 5, the second straight rod 5 is a telescopic rod, and a scale disc 7, a tightening ring 6 and a loop bar 8 are sequentially arranged on the upper part of the telescopic rod from bottom to top. The circle center of the scale disc 7 is provided with a threaded hole which is communicated with the upper part of the second straight rod 5. The threaded hole at the lower part of the loop bar 8 is sleeved on the second straight bar 5 to play a role of fixing the scale disc 7. The scale marks 7.1 on the scale disc 7 represent degrees, wherein the scale marks of "0" and "90" are respectively marked with "X" and "Y" which respectively represent the X axis and the Y axis in the established geodetic coordinate system, and the loop bar 8 represents the Z axis of the geodetic coordinate system. The cross bar 10 integral with the gripping ring 6 represents the flat distance HD, which represents the projection of the diagonal 9, i.e. the diagonal distance SD. The tightening ring 6 can rotate around the upper part of the straight rod 5 before the loop bar 8 is fixed, and the inclined rod 9 is connected with the sliding wheel 6.3 and can swing up and down around the sliding wheel 6.3.
And (4) installing the detachable total station model, placing the detachable total station model at a measuring station A, and finishing erection of the total station. And (4) installing the detachable control point model and placing the detachable control point model at the rear viewpoint B to represent that the setting of the rear viewpoint is finished. Then slightly loosening the loop bar 8, rotating the tightening hoop 6 to enable the plane of the inclined bar 9 and the cross bar 10 to be approximately in the same plane with the rear viewpoint B, twisting the double-lug nut 6.2 to fix the tightening hoop 6, then swinging the inclined bar 9 to enable the inclined bar to be aligned with the mark cloth 3 of the rear viewpoint B, rotating the loop bar 8 to be fixed again to represent that the total station is aligned with the rear viewpoint B, and the purpose is to orient the rear viewpoint, so that the total station finds the north direction of a coordinate system and represents that the coordinate system is established. Then, the steps are repeated, the total station is aligned to the unknown point C to be measured, at the moment, the inclined rod 9 represents the inclined distance SD from the total station to the point C to be measured, the cross rod 10 represents the straight distance HD from the total station to the point C to be measured, and the included angle between the inclined rod 9 and the cross rod 10 is alpha;
the geometric relationship is SD multiplied by cos alpha as HD;
the included angle between the cross bar 10 and the '0' scale mark on the scale disc 7 is β, which is the coordinate azimuth angle of the unknown point C to be measured, according to the known station A (X)A，YA，ZA) Measuring the coordinate to obtain the point C (X)C，YC，ZC) The coordinate and the geometric relation are
XC=XA+HD×cosβ
YC=YA+HD×sinβ
ZC=ZA+SD×sinα
Thus obtaining the coordinates of all points to be measured and finishing data acquisition.
Setting a station measuring point and a rear viewpoint in the lofting process in the same data acquisition process, moving a control point coordinate model purposefully after the rear viewpoint is oriented, then rotating the tightening hoop 6, swinging the inclined rod 9 to align the inclined rod with the control point coordinate model, twisting the double-lug nut 6.2 to fix the tightening hoop 6, and rotating the loop bar 8Then, the current control point coordinate (X coordinate) is obtained by fixing the slope distance SD represented by the slant rod 9, the horizontal distance HD represented by the cross rod 10, the included angle β between the cross rod 10 and the X axis represented by the scale mark '0' on the circular scale 7 and the included angle α between the cross rod 10 and the slant rod 9C ’，YC ’，ZC ’) The geometrical relationship is as follows:
XC ’=XA+HD×cosβ
YC ’=YA+HD×sinβ
ZC ’=ZA+SD×sinα
from the coordinate values of the phase differences compared to the coordinates of a given known point,
ΔX=XC-XC ’
ΔY=YC-YC ’
ΔZ=ZC-ZC ’
and then, moving the control point model purposefully, repeating the steps until the coordinate comparison phase difference values delta X, delta Y and delta Z are 0, wherein the position of the control point model is the specific position of the coordinate of the known point on the actual terrain, and finding out other lofting points by using the steps similarly to finish lofting.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A total station coordinate measurement data acquisition method is characterized in that a total station coordinate measurement teaching model is placed at a measurement station A to represent that total station erection is completed, a control point model is placed at a rear viewpoint B to represent that rear viewpoint setting is completed, a loop bar (8) is slightly loosened, a tightening hoop (6) is rotated to enable a plane where an inclined bar (9) and a cross bar (10) are located and the rear viewpoint B to be approximately in the same plane, a double-lug nut (6.2) is twisted to fix a loop body of the tightening hoop, then the inclined bar (9) is swung to enable the inclined bar to be aligned to a mark cloth (3) of the rear viewpoint B, the loop bar (8) is rotated to be fixed again, the total station is aligned to the rear viewpoint B to conduct rear viewpoint orientation, the total station finds a north direction of a coordinate system, and represents that the coordinate system is established; then, the steps are repeated, the total station is aligned to an unknown point C to be measured, at the moment, the inclined rod (9) represents the inclined distance SD from the total station to the point C to be measured, the cross rod (10) represents the horizontal distance HD from the total station to the point C to be measured, and the included angle between the inclined rod (9) and the cross rod (10) is alpha;
the geometric relationship is SD multiplied by cos alpha as HD;
the included angle between the cross rod (10) and the '0' scale mark on the scale disc (7) is β, the included angle is the coordinate azimuth angle of the unknown point C to be measured, and the known point A (X) is measuredA，YA，ZA) Measuring the coordinate to obtain the point C (X)C，YC，ZC) The coordinate and the geometric relation are
XC=XA+HD×cosβ
YC=YA+HD×sinβ
ZC=ZA+SD×sinα
Thus obtaining the coordinates of all points to be measured and finishing data acquisition;
the total station coordinate measurement teaching model comprises a control point model and a total station model;
the control point model comprises a first base (1), a first straight rod (2) and a piece of marking cloth (3), wherein the bottom of the first straight rod (2) is fixedly connected with the first base (1), and the marking cloth (3) is sleeved on the upper part of the first straight rod (2);
the total station model comprises a second base (4), a second straight rod (5), a scale disc (7), a hoop ring (6) and a loop bar (8), wherein the bottom of the second straight rod (5) is fixedly connected with the second base (4); the upper part of the second straight rod (5) is a threaded column with the diameter smaller than that of the second straight rod body, the lower part of the sleeve rod is provided with a threaded hole matched with the threaded column of the second straight rod, a disc-shaped scale disc (7) is sleeved on the threaded column of the second straight rod (5), the threaded column of the second straight rod (5) is screwed into the threaded hole of the sleeve rod and screwed, and the scale disc (7) is fastened on the threaded column at the upper part of the second straight rod (5) between the second straight rod (5) and the sleeve rod (8); the tightening ring (6) is hooped on the periphery of the lower part of the loop bar (8), and the tightening ring (6) is positioned above the scale disc (7);
the hoop fastening ring (6) comprises a ring body, an inclined rod (9) and a cross rod (10), the cross rod (10) and the ring body are of an integrated structure, two symmetrical threaded holes which are used for fastening the ring body and can pass through a bolt (6.1) are formed in one side of the ring body, and the inclined rod (9) is movably connected to the other side of the ring body through a roller which is arranged at one end of the inclined rod (9) and used for adjusting the inclination angle of the inclined rod (9);
a roller is fixed at one end of the diagonal rod (9), a groove is formed in one side of the ring body, the roller is placed in the groove body, the roller is clamped by two side walls of the groove, the two side walls and the roller are provided with coaxial through holes for a shaft to pass through, the part of the shaft extending out of the two side walls is provided with threads to form a threaded shaft, and a bolt is screwed on the threaded shaft to fasten the distance between the two side walls, so that the roller is clamped and fixed by the two side walls;
one end of the diagonal rod (9) is fixed with a roller which is a magnet in the shape of a wheel, the contact angle of the magnet and the clamping ring is changed, and the inclination angle of the diagonal rod is adjusted.
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| CN201811250256.2A CN109102750B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement data acquisition method |
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| CN201811250256.2A CN109102750B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement data acquisition method |
| CN201710025062.1A CN106652725B (en) | 2017-01-13 | 2017-01-13 | Total station instrument coordinate MEASUREMENT TEACHING model and measurement method |
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| CN201710025062.1A Division CN106652725B (en) | 2017-01-13 | 2017-01-13 | Total station instrument coordinate MEASUREMENT TEACHING model and measurement method |
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| CN109102750A CN109102750A (en) | 2018-12-28 |
| CN109102750B true CN109102750B (en) | 2020-09-22 |
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| CN201710025062.1A Active CN106652725B (en) | 2017-01-13 | 2017-01-13 | Total station instrument coordinate MEASUREMENT TEACHING model and measurement method |
| CN201811252742.8A Active CN109300383B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measuring method |
| CN201811250256.2A Active CN109102750B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement data acquisition method |
| CN201811252717.XA Active CN109064868B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement teaching model with down tube inclination angle adjusting structure |
| CN201811250239.9A Active CN109215466B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement teaching model with control point model |
| CN201811252725.4A Active CN109300382B (en) | 2017-01-13 | 2017-01-13 | Total powerstation coordinate measurement teaching model down tube angle regulation structure has |
| CN201711358213.1A Active CN107886827B (en) | 2017-01-13 | 2017-01-13 | A kind of total station model of total station instrument coordinate MEASUREMENT TEACHING model |
| CN201811250286.3A Active CN109300380B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement teaching model with tight hoop |
| CN201811250301.4A Active CN109300381B (en) | 2017-01-13 | 2017-01-13 | Lofting method for coordinate measurement of total station |
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| CN201710025062.1A Active CN106652725B (en) | 2017-01-13 | 2017-01-13 | Total station instrument coordinate MEASUREMENT TEACHING model and measurement method |
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| CN201811252717.XA Active CN109064868B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement teaching model with down tube inclination angle adjusting structure |
| CN201811250239.9A Active CN109215466B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement teaching model with control point model |
| CN201811252725.4A Active CN109300382B (en) | 2017-01-13 | 2017-01-13 | Total powerstation coordinate measurement teaching model down tube angle regulation structure has |
| CN201711358213.1A Active CN107886827B (en) | 2017-01-13 | 2017-01-13 | A kind of total station model of total station instrument coordinate MEASUREMENT TEACHING model |
| CN201811250286.3A Active CN109300380B (en) | 2017-01-13 | 2017-01-13 | Total station coordinate measurement teaching model with tight hoop |
| CN201811250301.4A Active CN109300381B (en) | 2017-01-13 | 2017-01-13 | Lofting method for coordinate measurement of total station |
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| Publication number | Publication date |
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| CN107886827A (en) | 2018-04-06 |
| CN109215466A (en) | 2019-01-15 |
| CN109064868B (en) | 2020-09-22 |
| CN109272846A (en) | 2019-01-25 |
| CN109300381B (en) | 2020-10-09 |
| CN109300381A (en) | 2019-02-01 |
| CN109300380A (en) | 2019-02-01 |
| CN109300383A (en) | 2019-02-01 |
| CN106652725B (en) | 2019-07-19 |
| CN109300382A (en) | 2019-02-01 |
| CN109064868A (en) | 2018-12-21 |
| CN106652725A (en) | 2017-05-10 |
| CN107886827B (en) | 2019-10-25 |
| CN109300380B (en) | 2020-10-09 |
| CN109272846B (en) | 2020-09-22 |
| CN109102750A (en) | 2018-12-28 |
| CN109300383B (en) | 2020-10-09 |
| CN109215466B (en) | 2020-09-22 |
| CN109300382B (en) | 2020-09-22 |
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