CN211904126U - Remote throw point measuring system and overground and underground control point measuring device thereof - Google Patents

Abstract

The utility model relates to a photogrammetry technical field, concretely relates to remote throw point measurement system and on the ground, secret control point measuring device thereof, wherein measurement system includes control point measuring device and secret control point measuring device on the ground, and this control point measuring device on the ground includes adjustable support, reference base and silk thread location ball, and secret control point measuring device is including measuring board, weight and stable liquid case. The adjustable support is used for installing the reference seat and leveling the reference seat, and the positioning seat is used for installing the silk thread positioning ball and enabling the second through hole to be aligned to the first through hole, so that the silk thread can pass through the first through hole and the second through hole and be in a heavy hammer state. When the measurement system of this embodiment is adopted to carry out photogrammetry, with the fixed back of adjustable support, can the snap-on leveling, then place the reference base in its central point puts, place silk thread location ball on the reference base can, simple installation, and overall stability is high, has improved photogrammetry efficiency.

Description

Remote throw point measuring system and overground and underground control point measuring device thereof

Technical Field

The utility model relates to a photogrammetry technical field, concretely relates to remote throw point measurement system and on the ground, secret control point measuring device thereof.

Background

In underground civil engineering or installation engineering, coordinate achievements of control points on the ground are required to be transmitted to the control points in an underground mine or a tunnel through contact measurement, and coordinate unification of the control points on the ground and the underground is realized. The point of input is an important link in the contact measurement, and the working content is as follows: and (3) throwing points to the underground control points through the vertical well on the ground, realizing collinear alignment of the above-ground control points and the underground control points in the vertical line direction, and calculating the coordinates of the underground control points through the coordinates of the above-ground control points by measuring the elevation distance between the above-ground control points and the underground control points. The commonly used dotting methods include an optical instrument dotting method, a laser dotting method and a silk thread ball dotting method. The application range of the optical instrument pointing method is generally dozens of meters, and a pointing target cannot be seen clearly when the distance is too far. The laser pointing method has poor adaptability to the environment, the temperature, the air pressure, the humidity and the dust can influence the pointing laser, and the distance is far away, so that the accurate pointing cannot be realized. In practical application, the best choice for long-distance projection is the projection of a silk thread plumb ball, and the projection distance can reach hundreds of meters or even kilometers. The biggest problem of the silk thread ball dropping method is that the position of the silk thread cannot be accurately obtained, and the position of the silk thread is required to be accurately obtained, the upper end of the silk thread needs to be stably fixed, the silk thread is in a heavy hammer state, the existing measuring device does not have equipment specially used for fixing the upper end of the silk thread, scattered tools are adopted for splicing each time of fixing, the leveling effect is low, and the measuring efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves does not have a whole set of silk thread fixing device among the prior art, leads to measurement of efficiency low.

A ground control point measuring device of a remote throw point measuring system comprises an adjustable bracket, a reference seat and a silk thread positioning ball;

the adjustable support is used for installing the reference seat and leveling the reference seat, a first through hole is formed in the center of the reference seat, a second through hole penetrating through the center of the ball is formed in the silk thread positioning ball, the reference seat is used for installing the silk thread positioning ball, the second through hole is aligned to the first through hole, and the silk thread can penetrate through the first through hole and the second through hole.

In one embodiment, the adjustable support comprises a base and a mounting platform arranged above the base, a plurality of adjustable supporting rods are arranged on the base, the mounting platform is arranged at the upper ends of the adjustable supporting rods, and a third through hole is formed in the center of the mounting platform.

In one embodiment, the base is provided with a plurality of fixing holes for fixing the base, and the mounting platform is also provided with a plurality of mounting holes for fixing the equipment mounted on the mounting platform.

In one embodiment, a conical or hemispherical limiting groove is formed in the reference seat and used for installing the wire positioning ball, and the second through hole is overlapped with the central axis of the limiting groove.

In one embodiment, the GPS receiver further comprises a connecting seat, wherein the connecting seat comprises a limiting block and a connecting stud arranged on the limiting block, the connecting stud can pass through the first through hole in the reference seat, and the end part of the connecting stud is provided with a connecting thread for connecting the GPS receiver.

An underground control point measuring device of a remote throw point measuring system comprises a measuring plate, wherein the measuring plate comprises a mounting plate, a plurality of target seats and at least two camera devices, wherein the target seats and the at least two camera devices are arranged on the mounting plate;

the center of mounting panel is equipped with the fourth through-hole, a plurality of target holders use the fourth through-hole sets up as the center on the mounting panel, two at least camera device settings are in two directions and make its visual angle central line mutually perpendicular.

In one embodiment, the four target seats are arranged at four corners of the mounting plate by taking the fourth through hole as a center, and any two target seats which are not adjacent are centrosymmetric.

In one embodiment, the device further comprises a heavy hammer, wherein the heavy hammer is used for arranging the lower end of the silk thread so as to be in a vertical state;

the heavy hammer comprises a central cylinder and a plurality of wing plates arranged on the side wall of the central cylinder, the wing plates are vertically arranged, one end surfaces of the wing plates are fixed on the side wall of the central cylinder, and included angles of planes where any two adjacent wing plates are located are the same;

and the upper end surface of the central cylinder is also provided with a hook for connecting the silk thread.

In one embodiment, the device further comprises a stabilizing liquid tank;

the liquid stabilizing box comprises a box body and a plurality of threaded jacks arranged at the bottom of the box body, the box body is used for containing liquid, the threaded jacks are used for adjusting the box body and the measuring plate to be in a horizontal state, and the heavy hammer is suspended in the liquid box.

A remote spot measurement system comprising an above-ground control point measurement device as described above and an underground control point measurement device as described above.

The ground control point measuring device of the remote spot-throwing measuring system according to the embodiment comprises an adjustable support, a reference seat and a silk thread positioning ball. The adjustable support is used for installing and leveling the reference seat, a first through hole is formed in the center of the reference seat, a second through hole penetrating through the center of the ball is formed in the silk thread positioning ball, the positioning seat is used for installing the silk thread positioning ball, the second through hole is aligned to the first through hole, and the silk thread can penetrate through the first through hole and the second through hole and is in a heavy hammer state. When the aboveground control point measuring device of the embodiment is used for photogrammetry, the adjustable support can be quickly leveled after being fixed, then the reference seat is placed at the center of the adjustable support, and the silk thread positioning ball is placed on the reference seat.

Drawings

FIG. 1 is a schematic structural diagram of an adjustable support according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a reference seat according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a wire positioning ball according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a connecting socket according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a measurement board according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a weight according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a stabilizing liquid tank according to an embodiment of the present application;

FIG. 8 is an explanatory view of the embodiment of the present application for assisting in measuring the position of a wire;

fig. 9 is a schematic view of an operating state of the measurement system according to the embodiment of the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning.

The first embodiment is as follows:

referring to fig. 1-3, the present embodiment provides an above-ground control point measuring device of a remote pointing measuring system, which includes an adjustable support 1, a reference base 2 and a wire positioning ball 3. The adjustable support 1 is used for installing the reference seat 2 and leveling the reference seat 2, a first through hole 21 is formed in the center of the reference seat 2, the silk thread positioning ball 3 is spherical, a second through hole 31 penetrating through the center of the ball is formed in the silk thread positioning ball 3, the upper end of the silk thread 8 is fixed on the silk thread positioning ball 3, the lower end of the silk thread 8 penetrates through the second through hole 31 in the silk thread positioning ball 3, the reference seat 2 is used for installing the silk thread positioning ball 3, the second through hole 31 is aligned to the first through hole 21, and the silk thread 8 can penetrate through the first through hole 21 and the second through hole 31 and then vertically downwards. When the aboveground control point measuring device of the embodiment is used for photogrammetry, the adjustable support 1 can be quickly leveled after being fixed, then the reference seat is placed at the center of the adjustable support, and the silk thread positioning ball is placed on the reference seat.

Specifically, as shown in fig. 1, the adjustable bracket 1 of this embodiment includes a base 11 and a mounting platform 12 disposed above the base 11, the base 11 is provided with 3 adjustable support rods 13, the mounting platform 12 is disposed at the upper ends of the 3 adjustable support rods 13, during operation, the mounting platform 12 is leveled by adjusting the three adjustable support rods 13, a third through hole 14 is disposed at the center of the mounting platform 12, and the silk thread 8 can naturally droop through the third through hole 14.

Wherein, a plurality of fixing holes are provided on the base 11 for fixing the base, for example, screws or bolts are provided in the fixing holes to stably fix the base at the wellhead. Also, a plurality of mounting holes are provided in the mounting platform 12 for securing devices, such as GPS receivers, mounted on the mounting platform.

As shown in fig. 2, a conical limiting groove 22 is provided on the reference base 2, the limiting groove 22 of this embodiment is in a conical socket shape, the limiting groove 22 is used for installing the wire positioning ball 3, the second through hole 21 coincides with a central axis of the limiting groove 22, the wire positioning ball 3 is placed in the limiting groove 22 on the reference base 2, and the first through hole 21, the second through hole 21 and the third through hole 14 are ensured to be on a vertical straight line, so that the wire 8 can pass through.

Further, as shown in fig. 4, the above-ground control point measuring device of this embodiment further includes a connecting base 4, the connecting base 4 includes a limiting block 41, a connecting stud 42 is disposed on the limiting block 41, a lower half surface of the connecting stud 42 is smooth, an upper half surface of the connecting stud 42 is provided with a thread, and the connecting stud 42 can pass through the first through hole 21 on the reference base 2. For example, the limit block 41 is placed on the reference base 2, in which the limit block 41 serves as a limit, the connection stud 42 may extend below the reference base 2 through the first through hole 21 on the reference base 2, and other devices, such as a GPS receiver, may be fixed by screwing at the end of the connection stud 42.

Through the overground control point measuring device of this embodiment, can the snap-on level, then place the reference standard in its central point puts, place silk thread location ball on the reference standard can, simple installation, and overall stability is high, has improved photogrammetry efficiency.

Example two

The present embodiment provides an underground control point measuring device of a remote pinpoint measuring system, which comprises a measuring plate 5, as shown in fig. 5, wherein the measuring plate 5 comprises a mounting plate 51, and a plurality of target holders 52 and at least two cameras 53 arranged on the mounting plate 51. The mounting plate 51 is provided with a fourth through hole 54 at the center, the target holders 52 are arranged on the mounting plate 51 with the fourth through hole 51 as the center, at least two image capturing devices 53 are arranged in two directions and make the viewing angle center lines thereof in a vertical state, and the image capturing devices 53 of the embodiment adopt cameras. After the silk thread 8 passes through the fourth through hole 54 on the mounting plate 51, the camera 53 is used for obtaining a photo including the silk thread 8, in this embodiment, the camera 53 adopts a camera, and then the position of the silk thread 8 in the coordinates of the measurement plate is obtained through analysis and settlement. The measurement board 5 of the present embodiment includes 2 cameras arranged in a vertical direction with respect to the viewing axis, 4 target holders 52, and a mounting board 51 having a circular hole in the center. The plane of the mounting plate 51 is used as a reference plane, a measurement plate coordinate system as shown in the figure is established, and the coordinates of the internal orientation element of the camera, the external orientation element of the camera under the measurement plate coordinate system and 4 target seats are calibrated in advance. The XZ plane of the coordinate system of the measuring plate is parallel to the upper surface of the measuring plate, and the Y-direction distance between the XZ plane and the upper surface of the measuring plate is a fixed value D.

Specifically, the mounting plate 51 of the present application is provided with four target holders 52, the four target holders 52 are disposed at four corners of the mounting plate 51 with the fourth through hole 54 as a center, and any two of the four target holders that are not adjacent to each other are centrosymmetric.

Further, the underground control point measuring device of the present embodiment further includes a weight 6, and the weight 6 is used for setting the lower end of the wire 8, so that the wire is in a vertical state. Referring to fig. 6, the weight 6 includes a central cylinder 61 and four wings 62 disposed on the side wall of the central cylinder 61, the wings 62 are vertically disposed and one end surface thereof is fixed on the side wall of the central cylinder 61, and a hook 63 is further disposed on the upper end surface of the central cylinder 61, and the hook 63 is used for connecting the wire 8.

Further, the underground control point measuring device of the present embodiment further includes a stabilizing liquid tank 7, as shown in fig. 7, the stabilizing liquid tank 7 includes a tank body 71 and a plurality of screw jacks 72 disposed at the bottom of the tank body 71, the tank body 71 is used for containing liquid, the screw jacks 72 are used for adjusting the tank body 71 to be in a horizontal state, and the weight 6 is suspended in the liquid in the tank body 71. The upper end of the silk thread 8 is fixed on the silk thread positioning ball 3, the lower end is hung with the heavy hammer 6, and the silk thread 8 is positioned on the vertical line passing through the axis of the conical socket under the action of gravity.

Through the underground control point measuring device of the embodiment, a measuring system can be quickly arranged underground, so that the photogrammetry can be quickly carried out.

EXAMPLE III

This embodiment provides a remote-throw-point measuring system including an above-ground control-point measuring device as provided in embodiment 1 above and an underground control-point measuring device as provided in embodiment 2 above.

The remote high-precision pointing method is described below with reference to the measurement system.

1. An adjustable support 1 is erected above the shaft, as shown in fig. 9, and the bottom of the adjustable support 1 is fixed on the shaft edge of the shaft by bolts.

2. A datum seat 2 is installed on an adjustable support 1, and the datum seat 2 is fixed on an installation platform 12 on the adjustable support 1 through bolts.

3. The height of the adjustable supporting rod 13 of the adjustable bracket 1 is adjusted to level the upper surface of the reference base 2.

4. And (3) the silk thread 8 passes through the first through hole 21 on the reference seat 2 and is lowered into the tunnel, the silk thread 8 passes through the fourth through hole 54 on the measuring plate 5, and the heavy hammer 6 is hung at the lower end part of the silk thread 8.

5. The weight 6 is immersed in the stabilizing liquid tank 7 filled with stabilizing liquid, the measuring plate 5 is covered on the stabilizing liquid tank 7, and the upper surface of the measuring plate 5 is leveled by a jack 72 at the bottom of the tank. The silk thread 8 passes through the silk thread locating ball 3 above the vertical shaft, the silk thread locating ball 3 is placed in a limiting groove 22 (namely a conical nest) on the upper surface of the reference seat 2, the length of the silk thread 8 is adjusted, the weight hammer 6 is suspended in stabilizing liquid, the upper end of the silk thread 8 is fixed on the silk thread locating ball 3, and the silk thread 8 is positioned on a vertical line passing through the axis of the limiting groove 22 under the action of gravity.

6. After the silk thread 8 swings stably, the two cameras 53 (cameras) start to take pictures synchronously, and the position of the silk thread 8 in the coordinate system of the measuring plate 5 is calculated by using two pictures obtained by taking pictures simultaneously. The method comprises the following steps: and identifying corresponding pixel points of the silk thread 8 in the photo through edge detection in the photo, fitting a straight line by using the pixel points of the silk thread 8, establishing a plane by using the shooting central point S and the straight line imaged and fitted by the silk thread 8, and calculating an intersection line of the two planes to obtain the position of the silk thread 8 in a coordinate system of a measuring plate, as shown in FIG. 8.

Wherein, the silk thread position calculation formula:

equation 1 is a plane created by the camera 1 camera center point S1 and the line formed by the line on the camera 1, where A₁ B₁ C₁Is the normal vector of the plane, X_S1 Y_S1 Z_S1Coordinates of the center point S1 for the camera 1; equation 2 is a plane created by the camera 2 camera center point S2 and the line formed by the line on the camera 2, where A₂ B₂ C₂Is the normal vector of the plane, X_S2Y_S2 Z_S2Coordinates of the center point S2 for camera 2; and X, Y and Z are coordinates of any point on the silk thread.

7. And calculating the intersection point of the silk thread 8 and the XZ plane of the measuring plate coordinate system, namely the underground control point, so as to obtain the coordinate values of 4 target points and the underground control point under the measuring plate coordinate system. For the situation that the silk thread 8 swings, two cameras can continuously and synchronously shoot a plurality of pictures, the positions of the silk threads are calculated, and a plurality of underground control points are obtained. And fitting a central point, namely the calculated underground control point, by using the coordinates of the plurality of control points in the XZ plane.

8. The wire locating ball 3 and wire 8 above the shaft are removed and the above ground control points are measured. The following two ways can be adopted:

(1) and (3) placing a standard target ball for measurement in the conical nest on the upper surface of the reference seat 2, and measuring the central coordinate of the target ball, namely the coordinate of the ground control point.

(2) And a GPS receiver is placed on the upper surface of the reference base 2, a connecting base cylinder is inserted into the central hole from the lower side of the reference base 2, and the GPS receiver is firmly fixed on the reference base by threads. And measuring the distance from the phase center to the upper surface of the reference base to calculate to obtain the coordinates of the ground control point.

9. And measuring the distance between the overground control point and the underground control point.

A tape measure or an indium steel wire is adopted. And (3) putting the tape measure or the indium steel wire into the fourth through hole 51 of the mounting plate 51 in the tunnel through the second through hole 21 of the reference base 2 above the shaft, and measuring the distance H from the upper surface of the reference base 2 to the upper surface of the measuring plate. And calculating the distance between the ground control point and the underground control point according to the distance H, the distance L from the center of the target ball to the upper surface of the reference seat 2 and the distance D from the XZ plane of the measuring plate coordinate system to the upper surface of the measuring plate.

10. And calculating underground control point coordinates. The underground control point coordinates are coordinate values obtained by applying the aboveground control point coordinates, and calculating the distance between the aboveground control point and the underground control point according to the earth curvature model.

11. And leading out underground control point coordinates. The underground control point is a virtual point, and the coordinate leading-out measurement can be realized by four target points on the measuring plate. The position relation between the underground control point and the four target points in the coordinate system of the measuring plate is obtained through the previous steps, the four target points on the measuring plate are measured together during the connection measurement in the tunnel, and the position relation between the underground control point and other control points in the tunnel can be obtained by fitting the coordinate values of the four target points in the coordinate system of the measuring plate to the measured values of the four target points in the coordinate system of the instrument.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (10)

1. A ground control point measuring device of a remote spot throwing measuring system is characterized by comprising an adjustable bracket, a reference seat and a silk thread positioning ball;

the adjustable support is used for installing the reference seat and leveling the reference seat, a first through hole is formed in the center of the reference seat, a second through hole penetrating through the center of the ball is formed in the silk thread positioning ball, the reference seat is used for installing the silk thread positioning ball, the second through hole is aligned to the first through hole, and the silk thread can penetrate through the first through hole and the second through hole.

2. The above-ground control point measuring device of a remote spotting system according to claim 1, wherein the adjustable support comprises a base and a mounting platform disposed above the base, the base is provided with a plurality of adjustable support bars, the mounting platform is disposed at upper ends of the plurality of adjustable support bars, and a third through hole is disposed at the center of the mounting platform.

3. The above-ground control point measuring device of a remote spotting system according to claim 2 wherein the base is provided with a plurality of fixing holes for fixing the base and the mounting platform is also provided with a plurality of mounting holes for fixing equipment mounted on the mounting platform.

4. The above-ground control point measuring device of a remote spotting system according to claim 1, wherein the reference base is provided with a conical or hemispherical limiting groove for mounting the wire positioning ball, and the second through hole coincides with a central axis of the limiting groove.

5. The above-ground control point measuring device of a remote throw-point measuring system according to claim 4, further comprising a connecting base, wherein the connecting base comprises a limiting block and a connecting stud arranged on the limiting block, the connecting stud can pass through the first through hole on the reference base, and the end of the connecting stud is provided with a connecting thread for connecting a GPS receiver.

6. An underground control point measuring device of a remote point-of-projection measuring system is characterized by comprising a measuring plate, wherein the measuring plate comprises a mounting plate, a plurality of target seats and at least two camera devices, wherein the target seats and the at least two camera devices are arranged on the mounting plate;

the center of mounting panel is equipped with the fourth through-hole, a plurality of target holders use the fourth through-hole sets up as the center on the mounting panel, two at least camera device settings are in two directions and make its visual angle central line mutually perpendicular.

7. The underground control point measuring device of a remote shot measuring system of claim 6, comprising four target holders, wherein the four target holders are arranged at four corners of the mounting plate by taking the fourth through hole as a center, and any two target holders which are not adjacent are centrosymmetric.

8. The underground control point measuring device of a remote dotting measuring system according to claim 6, further comprising a weight for setting a lower end of the wire so as to be in a vertical state;

the heavy hammer comprises a central cylinder and a plurality of wing plates arranged on the side wall of the central cylinder, the wing plates are vertically arranged, one end surfaces of the wing plates are fixed on the side wall of the central cylinder, and included angles of planes where any two adjacent wing plates are located are the same;

and the upper end surface of the central cylinder is also provided with a hook for connecting the silk thread.

9. An underground control point measuring device of a remote dotting measuring system according to claim 8, further comprising a stabilizing liquid tank;

the liquid stabilizing box comprises a box body and a plurality of threaded jacks arranged at the bottom of the box body, the box body is used for containing liquid, the threaded jacks are used for adjusting the box body and the measuring plate to be in a horizontal state, and the heavy hammer is suspended in the liquid box.

10. A remote-pointing measurement system comprising an above-ground control point measurement device according to any one of claims 1 to 5 and an underground control point measurement device according to any one of claims 6 to 9.

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