A measurement control method using an original device center as a measurement reference

Abstract

The present application belongs to the technical field of equipment installation surveying, and particularly relates to a measurement control method taking the center of original equipment as a measurement reference, characterized in that an independent measurement coordinate system is established at the construction site to cover the entire construction area, the longitudinal and transverse center lines of the equipment measured on site and the newly-built equipment foundation center lines are included in the independent measurement coordinate system, and the measurement control reference of the project construction is finally determined through ranging, angle measurement and calculation. Compared with the prior art, the present application has the beneficial effects of convenient operation, ensured measurement operation precision, satisfied design and construction requirements, saved measurement operation time, labor cost and instrument rental cost, and improved work efficiency. The present application is actively promoted in the overhaul engineering of the factories and mines of the group and receives consistent good comments from the owners and supervisors. The technical problem that the instrument angle measurement and ranging error are multiplied due to the lack of available measurement control points in the construction site is solved.

Description

Technical Field

[0001] This invention belongs to the field of equipment installation surveying technology, and in particular relates to a measurement control method that uses the center of the existing equipment as the measurement reference. Background Technology

[0002] In the overhaul and technical renovation of large equipment, the measurement and positioning of these projects are usually carried out by the client (owner) specifying some important equipment to be retained on the construction site, including (rolling mill stands, roller conveyors, motors, and cranes, etc.), and measuring the center lines of these equipment on-site as the measurement benchmark for the new design and renovation construction. Because the measured longitudinal and transverse center lines of the equipment are very short, while the construction site is not only large but also very long, traditional measurement methods directly use the shorter side to extend and then measure distance and angle. Due to the short center lines of the equipment measured on-site, and the lack of usable control points for verification at the construction site, the errors in instrument angle and distance measurement will increase exponentially, making it impossible to perform measurement data adjustment calculations. This results in the center of the equipment foundation bolts, important structures, and even the dimensions of the entire project entity failing to meet the design and construction requirements, creating potential quality problems for the entire project.

[0003] Chinese invention patent application number 202210687621.6 discloses a method for measuring the installation of continuous metallurgical process equipment. This method employs multiple sets of measuring devices to simultaneously align the transverse and longitudinal center lines of the equipment's base. The measuring device base is connected to two columns and a horizontal support frame, forming a frame structure. The columns and base are detachable. A guide wheel is located at the upper position between the two columns, and a winding wheel is located at the lower position. A lower connecting rod is connected to the columns via a ratchet mechanism. A steel wire is pulled between the two guide wheels, and a plumb bob is attached to the wire. The plumb bob moves along the length of the wire, and its tip corresponds to the center line of the equipment base. The drawback of this method is that manual measurement is inefficient, and it is significantly limited for measuring extremely tall or large equipment. Summary of the Invention

[0004] The purpose of this invention is to provide a measurement control method that uses the center of the existing equipment as the measurement benchmark, overcoming the shortcomings of the prior art. By establishing an independent measurement coordinate system covering the entire construction area at the construction site, the longitudinal and transverse center lines of the equipment measured on site and the center lines of the newly built equipment foundation are incorporated into the independent measurement coordinate system. Through distance measurement, angle measurement, and calculation, the construction measurement control benchmark for the project is finally determined, solving the technical problem that the lack of usable and verifiable measurement control points at the construction site causes the instrument's angle and distance measurement errors to increase exponentially.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A measurement control method using the existing equipment center as the measurement benchmark is characterized by establishing an independent measurement coordinate system at the construction site, covering the entire construction area. The existing longitudinal and transverse centerlines of the equipment, along with the centerline of the new equipment foundation, measured on-site, are incorporated into this independent measurement coordinate system. Through distance measurement, angle measurement, and calculation, the final construction measurement control benchmark for the project is determined. The specific operation steps are as follows:

[0007] 1) Establish a coordinate system for measurement. Create a plane control point on a wide-view, solid, safe, and flat surface, and denot it as point A. Create another plane control point at a distance from point A and denot it as point B.

[0008] 2) Measure the coordinates of the center line of the original equipment. Using a total station, set up a station at point A and use point B as the backsight direction. Measure the coordinates of the center line of the original equipment in sequence. Calculate the coordinate azimuth of the center line of the original equipment and the coordinates of the intersection of the longitudinal and transverse lines. Draw a map of the actual location on site and mark the coordinates and longitudinal and transverse line dimensions of each part of the original equipment.

[0009] 3) Establishing a coordinate reference: Set up a total station at point A, assume the X and Y coordinates of point A, set up a prism at point B, determine the azimuth from point A to point B, and use the total station to measure the horizontal distance from point A to point B. This will determine the coordinates of point B and establish an independent coordinate system.

[0010] 4) Draw the actual location diagram of the equipment. Using the coordinate data of points B and C, accurately measure the specified physical coordinate values ​​in sequence. Calculate the azimuth angle and longitudinal and transverse baselines of the physical coordinates. After calibrating the coordinate values ​​and longitudinal and transverse baseline dimensions of the original equipment, and using the position data and coordinate azimuth angle data of the two determined vertical baselines, measure control point C. The line connecting points B and C determines the parallel and perpendicular lines of the original equipment baselines as the final result.

[0011] Furthermore, the plane control point A should be a ground marker point that is easy to preserve, expand, and find over a long period of time.

[0012] Furthermore, the plane control point B is located away from the original equipment and is 50-200 meters away from point A.

[0013] Furthermore, the coordinate values ​​of each part of the original equipment and the dimensions of the longitudinal and transverse lines in the actual location map of the site are used as the control measurement reference points for the new plant area.

[0014] Furthermore, the prism is a pyramidal prism.

[0015] Furthermore, the control point C is located near the existing equipment.

[0016] Furthermore, using the coordinates, azimuth, and measurement data of points B and C, other measurement control points within the facility factory area can be calculated.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1) It is easy to operate, ensures the accuracy of measurement work, meets the design and construction requirements, saves measurement work time, labor costs and instrument rental fees, and improves work efficiency. It is being actively promoted and used in the major overhaul projects of the group's factories and mines, and has been well received by owners and supervisors.

[0019] 2) By establishing an independent coordinate system covering the entire construction area, the longitudinal and transverse center lines of the equipment measured on site and the center lines of the newly built equipment foundations are incorporated into the independent measurement coordinate system. Through distance measurement, angle measurement, and calculation, the construction measurement control benchmark for the project is finally determined, which solves the technical problem that the instrument's angle and distance measurement errors multiply due to the lack of usable measurement control points for verification at the construction site. Attached Figure Description

[0020] Figure 1 This is a schematic diagram illustrating the process of establishing a measurement benchmark according to an embodiment of the present invention. Detailed Implementation

[0021] The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the specific embodiments used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the specific embodiments described below are some embodiments of the present invention. For those skilled in the art, other specific embodiments can be obtained based on these specific embodiments without creative effort.

[0023] The components of the embodiments of the invention described and shown in the specific embodiments herein can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the specific embodiments is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0024] See Figure 1This is a schematic diagram illustrating the process of establishing a measurement benchmark in an embodiment of the present invention. The measurement control method, which uses the center of the existing equipment as the measurement benchmark, first establishes an independent measurement coordinate system at the construction site, covering the entire construction area. The longitudinal and transverse centerlines of the existing equipment and the centerline of the new equipment foundation, measured on-site, are incorporated into this independent measurement coordinate system. Through distance measurement, angle measurement, and calculation, the final construction measurement control benchmark for the project is determined. The specific operation steps are as follows:

[0025] 1) Establishing the coordinate system: Near the baseline measurement location designated by the client (owner), select a point with a wide line of sight, firm and flat ground, suitable for long-term preservation, expansion, and easy location, and mark it as point A. Mark another control point, point B, at a distance of at least 50 meters and less than 200 meters from this control point, on a firm surface with good visibility, easy to densify, easy to locate, and suitable for long-term preservation. Set up the instrument at point A and the prism at point B. Using point A as the reference point, assume coordinates X and Y, and determine the azimuth angle between points A and B. The azimuth angle can be determined using the longitudinal direction of the factory building. With the coordinates of point A and the azimuth angle between points A and B, use a total station to measure the horizontal distance between points A and B.

[0026] 2) Measure the coordinates of the centerline of the existing equipment. Using a total station, establish a station at point A and use point B as the backsight direction. Accurately measure the coordinates of the centerline of the existing equipment as specified by the client (owner). Calculate the coordinate azimuth angle of the centerline of the existing equipment and the coordinates of the intersection of the longitudinal and transverse lines. Draw an actual location map of the site. Mark the coordinates of each part of the existing equipment and the longitudinal and transverse line dimensions. Submit the data to the client or supervisor for approval and use it as the control measurement benchmark for the new plant area.

[0027] 3) Establishing a coordinate reference: Set up the instrument at point A and assume the X and Y coordinate values. Set up a prism at point B and determine the azimuth angle from A to B. The azimuth angle can be assumed. With the coordinates of point A and the azimuth angle from A to B, use a total station to measure the horizontal distance from A to B to determine the coordinates of point B. Establish an independent coordinate system.

[0028] 4) Draw an actual equipment location diagram. Using the coordinate data of points B and C, accurately measure the specified physical coordinate values ​​sequentially. Calculate the physical coordinate azimuth and longitudinal and transverse baselines. After calibrating the original equipment's coordinate values ​​and longitudinal and transverse baseline dimensions, submit this to the client or supervisor for approval and confirmation of the baseline positions. After obtaining the position data and coordinate azimuth data of the two determined perpendicular baselines, point C must be measured again. The final result is that the line connecting points B and C is parallel and perpendicular to the original equipment baseline.

[0029] In summary, by using the coordinates, azimuth, and measurement data of points B and C, the measurement control points for the factory area can be easily and quickly calculated and deployed.

[0030] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A measurement control method using the center of existing equipment as the measurement reference, characterized in that, Establish an independent measurement coordinate system at the construction site, covering the entire construction area. Incorporate the existing longitudinal and transverse centerlines of the equipment and the centerlines of the new equipment foundations, which have been measured on-site, into the independent measurement coordinate system. Through distance measurement, angle measurement, and calculation, the final construction measurement control benchmark for the project is determined. The specific operation steps are as follows: 1) Establish a coordinate system for measurement. Create a plane control point on a wide-view, solid, safe, and flat surface, and denot it as point A. Create another plane control point at a distance from point A and denot it as point B. 2) Measure the coordinates of the center line of the original equipment. Using a total station, set up a station at point A and use point B as the backsight direction. Measure the coordinates of the center line of the original equipment in sequence. Calculate the coordinate azimuth of the center line of the original equipment and the coordinates of the intersection of the longitudinal and transverse lines. Draw a map of the actual location on site and mark the coordinates and longitudinal and transverse line dimensions of each part of the original equipment. 3) Establishing a coordinate reference: Set up a total station at point A, assume the X and Y coordinates of point A, set up a prism at point B, determine the azimuth from point A to point B, and use the total station to measure the horizontal distance from point A to point B. This will determine the coordinates of point B and establish an independent coordinate system. 4) Draw the actual location diagram of the equipment. Using the coordinate data of points B and C, accurately measure the specified physical coordinate values ​​in sequence. Calculate the azimuth angle and longitudinal and transverse baselines of the physical coordinates. After calibrating the coordinate values ​​and longitudinal and transverse baseline dimensions of the original equipment, and using the position data and coordinate azimuth angle data of the two determined vertical baselines, measure control point C. The line connecting points B and C determines the parallel and perpendicular lines of the original equipment baselines as the final result.

2. The measurement control method according to claim 1, which uses the center of the existing equipment as the measurement reference, is characterized in that, The plane control point A should be a ground marker that is easy to preserve, expand, and find over a long period of time.

3. The measurement control method according to claim 1, which uses the center of the existing equipment as the measurement reference, is characterized in that, The plane control point B is located away from the original equipment and is 50-200 meters away from point A.

4. The measurement control method according to claim 1, which uses the center of the existing equipment as the measurement reference, is characterized in that, The coordinates and dimensions of the longitudinal and transverse lines of the existing equipment in the actual location map of the site are used as the control measurement reference points for the new plant area.

5. The measurement control method according to claim 1, which uses the center of the existing equipment as the measurement reference, is characterized in that, The prism is a pyramidal prism.

6. The measurement control method according to claim 1, which uses the center of the existing equipment as the measurement reference, is characterized in that, The control point C is located near the existing equipment.

7. The measurement control method according to claim 1, which uses the center of the existing equipment as the measurement reference, is characterized in that, Using the coordinates, azimuth, and measurement data of points B and C, other measurement control points within the facility factory area can be calculated.

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