Method and system for positioning equipment along linear project

Abstract

The invention provides a method and system for positioning equipment along a linear project, and belongs to the technical field of informatization management. According to plane design parameters and longitudinal section design parameters, a space curve of the linear project is drawn in a BIM model; importing a pile-by-pile coordinate parameter table generated by the space curve of the linear engineering into three-dimensional modeling software, establishing a three-dimensional coordinate system Sxyz in the three-dimensional modeling software, namely, establishing a dynamic coordinate, and realizing mileage data-three-dimensional coordinate conversion through the dynamic coordinate, so as to obtain the mileage data. And meanwhile, the transverse offset distance of the equipment along the line is determined according to the width control curve, and the point P is offset, so that the positioning process of the equipment along the line is more practical, and the positioning precision of the equipment along the line in linear engineering in three-dimensional modeling software is improved.

Description

Technical Field

[0001] This invention belongs to the field of information management technology and relates to equipment positioning technology in linear engineering, specifically a method and system for positioning equipment along a linear engineering line. Background Technology

[0002] Linear engineering refers to construction projects that exhibit a linear distribution in spatial form. These typically include comprehensive projects such as highways, railways, pipelines, power transmission lines, and cableways, characterized by long distances and a strip-like distribution. Commonly used linear engineering modeling platforms include Autodesk and Bentley. BIM technology is the process of digitally representing and managing the physical and functional characteristics of buildings or infrastructure using digital models. It contains rich attribute information (such as materials, dimensions, cost, schedule, and maintenance requirements) and supports information sharing and collaboration throughout the entire lifecycle.

[0003] When modeling linear engineering projects using BIM, mileage markers are primarily used to locate highways, railways, pipelines, and their associated equipment, also known as the line-of-sight equipment of the linear project. Mileage markers are a continuous distance marking system set along the centerline or reference line of the linear project, defining the position of any point in the project relative to a fixed starting point (usually 0+000). Applying mileage markers in BIM modeling technology allows for the embedding of mileage information into the created model, enabling automated generation and annotation of mileage information, offering the advantage of precise mileage location and query. However, when modeling using other modeling software (Revit), which uses a three-dimensional coordinate system for positioning, modelers cannot correlate the mileage information in BIM with the three-dimensional coordinate system; that is, they cannot map mileage markers to the X, Y, and Z axes of the three-dimensional coordinate system. This results in a technical problem of being unable to convert mileage data to three-dimensional coordinates. Summary of the Invention

[0004] In view of the above-described background technology, the existing technology cannot correspond mileage station numbers with the X-axis, Y-axis and Z-axis coordinates in a three-dimensional coordinate system, and there is a technical problem that mileage data cannot be converted into three-dimensional coordinates. In order to address this technical problem, the present invention proposes a method and system for locating equipment along a linear engineering line.

[0005] This invention involves drawing spatial curves of a linear project in a BIM model, importing the generated pile-by-pile coordinate parameter table of these spatial curves into 3D modeling software, and establishing a 3D coordinate system S in the 3D modeling software. xyzThis involves establishing dynamic coordinates to convert mileage data into three-dimensional coordinates. Additionally, the invention determines the lateral offset of the equipment along the route based on the width control curve, offsetting point P to make the positioning process of the equipment along the route more realistic and improve the accuracy of positioning equipment along the route in linear engineering projects using 3D modeling software.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A method for locating equipment along a linear engineering line includes the following steps:

[0008] S1: Obtain the planar design parameters, longitudinal section design parameters, and installation parameters for linear engineering projects;

[0009] S2: Draw the spatial curve of the linear project in the BIM model according to the plan design parameters and longitudinal section design parameters, and obtain the pile-by-pile coordinate parameter table and benchmark point P0 of the linear project according to the spatial curve of the linear project.

[0010] S3: Import the pile-by-pile coordinate parameter table of the linear project into the 3D modeling software to generate a 3D curve model of the linear project. Determine point P based on the installation parameters and the reference point P0. Use point P as the installation point of the equipment along the line. Calculate the transformation parameters at point P. Establish a 3D coordinate system S at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the diagram is parallel to the normal direction of point P;

[0011] S4: Calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector Vy' onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy".

[0012] S5: Extract the width control curve C of the linear project. k According to the width control curve C k Determine the lateral offset of the equipment along the line, and use the lateral offset to offset point P along the direction of the offset magnitude Vy" to obtain the equipment along the line in the global coordinate system G. xyz The X and Y values ​​in the coordinate system; the sum of the installation parameters and the Z value of point P determines the location of the equipment along the line in the global coordinate system G. xyz The Z value in the coordinate system; based on the equipment along the line in the global coordinate system G. xyz The X, Y, and Z values ​​are used in 3D modeling software to locate equipment along the linear engineering line.

[0013] Further specifying, in step S5, according to the width control curve C k Determining the lateral offset of equipment along the route specifically includes:

[0014] Determine the distance from point P to the width control curve C k The vertical distance is used as the horizontal offset value;

[0015] The lateral offset of the equipment along the line is the sum of the lateral offset value and the lateral correction value. The lateral correction value refers to the set distance between the equipment along the line and the width control curve C. k The safe distance between them.

[0016] Further specifying, the installation parameters include equipment name, lateral correction value, installation height, orientation, side, mileage marker, and point coordinates.

[0017] Further specifying, in step S5, the location of the equipment along the line in the global coordinate system G is determined based on the sum of the installation parameters and the Z value of point P. xyz The Z value is specifically determined by the sum of the installation height and the Z value of point P in the installation parameters, which defines the equipment along the line in the global coordinate system G. xyz The Z value in the text.

[0018] Furthermore, the reference point P0 is any point on the three-dimensional curve model other than point P.

[0019] Further specifying, the transformation parameters at calculation point P specifically include: obtaining the transformation parameters at point P by dividing the distance between the starting point of the linear project and point P by the total length of the linear project.

[0020] Further specifying, determining point P based on installation parameters and reference point P0 specifically includes: taking the point on the three-dimensional curve model that is closest to reference point P0 based on the installation parameters, as point P.

[0021] Further specifying, the orientation in the installation parameters is taken as the initial orientation, and the initial orientation is determined relative to the three-dimensional coordinate system S. xyz The angle between the Y and the line is used to rotate the equipment along the line, thereby determining the orientation of the equipment along the line in the 3D modeling software.

[0022] Further specifying, in step S1, the planar design parameters include the intersection coordinates, curve radius, and transition curve parameters; the longitudinal profile design parameters include the station number of the slope change point, the elevation of the slope change point, and the vertical curve parameters.

[0023] The present invention provides a system for locating equipment along a linear engineering project, based on the aforementioned method for locating equipment along the project line. The system comprises:

[0024] Parameter acquisition module: used to acquire the planar design parameters, longitudinal section design parameters, and installation parameters of linear engineering projects;

[0025] BIM Modeling Module: Used to draw the spatial curves of linear engineering in the BIM model based on the planar design parameters and longitudinal section design parameters, and to obtain the pile-by-pile coordinate parameter table and benchmark point P0 of the linear engineering based on the spatial curves of the linear engineering.

[0026] The dynamic coordinate establishment module is used to import the pile-by-pile coordinate parameter table of a linear project into 3D modeling software, generate a 3D curve model of the linear project, determine point P based on installation parameters and reference point P0, use point P as the installation point of equipment along the line, calculate the transformation parameters at point P, and establish a 3D coordinate system S at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the diagram is parallel to the normal direction of point P;

[0027] Deflection module: used to calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector Vy' onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy".

[0028] And the positioning module: used to extract the width control curve C of linear engineering. k According to the width control curve C k Determine the lateral offset of the equipment along the line, and use the lateral offset to offset point P along the direction of the offset magnitude Vy" to obtain the equipment along the line in the global coordinate system G. xyz The X and Y values ​​in the coordinate system; the sum of the installation parameters and the Z value of point P determines the location of the equipment along the line in the global coordinate system G. xyz The Z value in the coordinate system; based on the equipment along the line in the global coordinate system G. xyz The X, Y, and Z values ​​are used in 3D modeling software to locate equipment along the linear engineering line.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0030] 1. This invention provides a method for locating equipment along a linear engineering project. The method involves drawing a spatial curve of the linear project in a BIM model based on planar and longitudinal profile design parameters, importing the generated pile-by-pile coordinate parameter table from the spatial curve into 3D modeling software, and establishing a 3D coordinate system S in the 3D modeling software. xyzThis involves establishing dynamic coordinates to convert mileage data into three-dimensional coordinates. Additionally, the invention determines the lateral offset of the equipment along the route based on the width control curve, offsetting point P to make the positioning process of the equipment along the route more realistic and improve the accuracy of positioning equipment along the route in linear engineering projects using 3D modeling software.

[0031] 2. When determining the lateral offset, this invention considers not only the distance control curve C from point P, but also... k The vertical distance also takes into account the equipment along the line and the width control curve C. k The safe distance between them makes the positioning of equipment along the line more accurate and more in line with actual applications, further improving the positioning accuracy of equipment along the line; in addition, when determining the Z value of equipment along the line, the present invention takes into account both the installation parameters and the Z value of point P, making the linear engineering model established by the three-dimensional model more realistic and more in line with reality.

[0032] 3. This invention also considers the initial orientation and the three-dimensional coordinate system S xyz The angle between the Y-axis and the line is used to rotate the equipment along the line to determine the specific orientation of the equipment along the line, which further improves the realism of the linear engineering built using this 3D model and makes it easier for users to understand in combination with the actual orientation. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the method for locating equipment along a linear engineering line according to the present invention;

[0034] Figure 2 This is a schematic diagram of the system for locating equipment along the linear engineering line according to the present invention;

[0035] Figure 3 A schematic diagram of a planar curve drawn based on planar design parameters;

[0036] Figure 4 This is a schematic diagram of the longitudinal profile curve based on the longitudinal profile design parameters;

[0037] Figure 5 Let S be the three-dimensional coordinate system at point P. xyz ;

[0038] Figure 6 For a three-dimensional coordinate system S xyz A schematic diagram of the projection and deflection of the Y-axis in the global coordinate system;

[0039] Figure 7 Width control line C on the outer side of the linear engineering k A schematic diagram;

[0040] Figure 8 The lateral offset S J A schematic diagram of the calculation;

[0041] Figure 9 This is a schematic diagram of offsetting point P using the lateral offset along the direction of the offset direction Vy".

[0042] Figure 10 This is a schematic diagram illustrating the rotation of equipment along the line.

[0043] Figure 11 A schematic diagram for positioning highway signs in highway engineering;

[0044] Figure 12 Let S be the three-dimensional coordinate system of each point P in the utility tunnel project. xyz ;

[0045] Figure 13 For each three-dimensional coordinate system S in the utility tunnel project xyz A schematic diagram of the projection and deflection of the Y-axis in the global coordinate system;

[0046] Figure 14 This is a schematic diagram showing the location of supports along the pipeline corridor in a pipeline corridor project. Detailed Implementation

[0047] The technical solution of the present invention will be further explained and described below with reference to the accompanying drawings and embodiments, but the present invention is not limited to the embodiments described below.

[0048] See Figure 1 This invention proposes a method for locating equipment along a linear engineering line, comprising the following steps:

[0049] S1: Obtain the planar design parameters, longitudinal profile design parameters, and installation parameters for the linear project; among them, the planar design parameters include the coordinates of the intersection point, the curve radius, and the transition curve parameters; the longitudinal profile design parameters include the station number of the slope change point, the elevation of the slope change point, and the vertical curve parameters; the installation parameters include the equipment name, lateral correction value, installation height, orientation, side, station number, and point coordinates.

[0050] S2: Based on the planar design parameters and longitudinal section design parameters, draw the spatial curve of the linear project in the BIM model. Based on the spatial curve, obtain the pile-by-pile coordinate parameter table and the reference point P0 for the linear project; where reference point P0 is any point on the 3D curve model other than point P. See also... Figure 3 and Figure 4 In step S2, the spatial curves of the linear engineering include planar curves drawn based on planar design parameters and longitudinal profile curves drawn based on longitudinal profile design parameters.

[0051] S3: Import the pile-by-pile coordinate parameter table of the linear project into the 3D modeling software. Generate a 3D curve model of the linear project in the 3D modeling software. Determine point P based on the installation parameters and reference point P0. Use point P as the installation point for the equipment along the line. Calculate the transformation parameters at point P. (See [link]). Figure 5 Establish a three-dimensional coordinate system S at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the model is parallel to the normal direction of point P. The preferred 3D modeling software in this invention is Revit; however, it can also be other 3D modeling software known to those skilled in the art that uses a 3D coordinate system for positioning. A 3D coordinate system S is established at point P based on the transformation parameters at point P. xyz Specifically, it is calculated proportionally by combining the coordinates of the reference point P0, the transformation parameters of the reference point P0 (obtained by dividing the distance between the starting point of the linear project and the reference point P0 by the total length of the linear project), and the transformation parameters of point P.

[0052] In step S3, calculating the transformation parameters at point P specifically includes: obtaining the transformation parameters at point P by dividing the distance between the starting point of the linear project and point P by the total length of the linear project;

[0053] In step S3, determining point P based on installation parameters and reference point P0 specifically includes: taking the point on the three-dimensional curve model that is closest to reference point P0 based on the installation parameters, as point P.

[0054] S4: See also Figure 6 Calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector Vy' onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy".

[0055] S5: See also Figure 7 Extract the width control curve C of the linear engineering. k According to the width control curve C k Determine the lateral offset of the equipment along the line, and use the lateral offset to offset point P along the direction of the offset magnitude Vy" to obtain the equipment along the line in the global coordinate system G. xyz The X and Y values ​​in the coordinate system; the sum of the installation parameters and the Z value of point P determines the location of the equipment along the line in the global coordinate system G. xyz The Z value in the coordinate system; based on the equipment along the line in the global coordinate system G. xyz The X, Y, and Z values ​​are used in 3D modeling software to locate equipment along the linear engineering line.

[0056] In step S5, according to the width control curve C k Determining the lateral offset of equipment along the route specifically includes:

[0057] See Figure 8 Determine the distance from point P to the width control curve C. k The vertical distance is used as the horizontal offset value. Figure 8 P in k Point P and width control curve C k The intersection;

[0058] See Figure 9 The lateral offset of the equipment along the line is the sum of the lateral offset value and the lateral correction value. The lateral correction value refers to the set distance between the equipment along the line and the width control curve C. k The safe distance between them.

[0059] In step S5, the location of the equipment along the line in the global coordinate system G is determined based on the sum of the installation parameters and the Z value of point P. xyz The Z value is specifically determined by the sum of the installation height and the Z value of point P in the installation parameters, which defines the equipment along the line in the global coordinate system G. xyz The Z value in the figure. Therefore, it can be seen that when determining the lateral offset, this invention considers not only the point P-distance width control curve C... k The vertical distance also takes into account the equipment along the line and the width control curve C. k The safe distance between them makes the positioning of equipment along the line more accurate and more in line with actual applications, further improving the positioning accuracy of equipment along the line; in addition, when determining the Z value of equipment along the line, this application takes into account both the installation parameters and the Z value of point P, making the linear engineering model established by this three-dimensional model more realistic and more in line with reality.

[0060] See Figure 10 This invention establishes a three-dimensional coordinate system S in three-dimensional modeling software. xyz This involves establishing dynamic coordinates to convert mileage data into three-dimensional coordinates. Additionally, the invention determines the lateral offset of the equipment along the route based on the width control curve, offsetting point P to make the positioning process of the equipment along the route more realistic and improve the accuracy of positioning equipment along the route in linear engineering projects using 3D modeling software.

[0061] This invention provides a method for locating equipment along a linear engineering line, further comprising S6: using the orientation in the installation parameters as the initial orientation, and determining the initial orientation relative to the three-dimensional coordinate system S. xyzThe angle between the Y and the line is used to rotate the equipment along the line, thereby determining the orientation of the equipment in the 3D modeling software. This further improves the realism of the linear engineering built using the 3D model, making it easier for users to understand in conjunction with the actual orientation.

[0062] Example 1

[0063] This embodiment uses the positioning of highway signposts as an example to specifically illustrate a method for locating equipment along a linear engineering project according to the present invention:

[0064] S1: The user designs the horizontal and vertical design parameters of the highway project and the installation parameters of the highway signs; and inputs the horizontal and vertical design parameters of the highway project and the installation parameters of the roadside equipment into the BIM model. That is, the BIM model obtains the horizontal and vertical design parameters of the highway project and the installation parameters of the roadside equipment. The installation parameters of the highway signs are shown in Table 1.

[0065] Table 1: Installation parameters for highway signs

[0066]

[0067] S2: Draw the spatial curves of the highway project in the BIM model according to the planar design parameters and longitudinal section design parameters, and obtain the pile-by-pile coordinate parameter table and reference point P0 of the highway project according to the spatial curves of the highway project. Export the pile-by-pile coordinate parameter table of the highway project from the BIM model. See Table 2 for the pile-by-pile coordinate parameter table of the highway project.

[0068] Table 2: Stake-by-stake coordinate parameters for highway engineering

[0069]

[0070] In Table 2, column A contains the X-direction value for each station, column B contains the Y-direction value for each station, and column C contains the Z-direction value for each station.

[0071] S3: Import the pile-by-pile coordinate parameter table of the highway project into the 3D modeling software to generate a 3D curve model of the highway project. Determine point P based on the installation parameters and reference point P0, and use point P as the installation point for the equipment along the route. Calculate the transformation parameters at point P. The coordinates of point P are (16386.87987, 4632.76847, 249.681). The mileage data of reference point P0 is K0+820, and the corresponding coordinates of reference point P0 are (16386.87986, 4632.76852, 249.681). The transformation parameter at point P is 0.1825, obtained by dividing the distance between the starting point of the linear project and point P by the total length of the linear project. Calculate the 3D coordinate system S at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the model is parallel to the normal direction of point P; Revit is the preferred 3D modeling software.

[0072] S4: Calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector Vy'(-0.937,-0.35,0) onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy"(-0.35, 0.937, 0), which points to the right side of the highway project.

[0073] S4: See Tables 3 and 4, which are the extracted width control curves C on the left and right sides of the highway project, respectively. k Parameters;

[0074] Table 3: Width Control Curve Parameters on the Left Side of Highway Engineering

[0075]

[0076] Table 4 Width Control Curve Parameters on the Right Side of Highway Engineering

[0077]

[0078] In Tables 3 and 4, column A contains the X-direction values ​​of the width control curve parameters, column B contains the Y-direction values, and column C contains the Z-direction values. The width control curve parameters are user-designed.

[0079] Determine the distance from point P to the width control curve C kThe vertical distance is taken as the lateral offset value, which is 12.245m. The sum of the lateral offset value and the lateral correction value is taken as the lateral deviation of the highway sign. The lateral correction value refers to the distance between the highway sign and the width control curve C. k The safe distance between them. This safe distance is user-designed and is set to 1.6m; that is, a lateral offset of 13.845m; using the lateral offset to offset point P along the direction of the offset direction Vy", the X = 16382.038m and Y = 4645.739m of the highway sign are obtained; based on the sum of the installation height (d = -0.367m) and the Z value of point P (249.681m) in the installation parameters, the position of the highway sign in the global coordinate system G is determined. xyz The Z-value is 249.314m, which is used to locate the highway sign.

[0080] S6: Based on the orientation (positive) in the installation parameters, i.e., the initial orientation of the highway sign pointing towards the small station number, determine the initial orientation and the three-dimensional coordinate system S. xyz The angle between the road sign and the Y-axis is used to rotate the road sign, thus determining its specific orientation in 3D modeling software. See also Figure 11 For the positioning of highway signs in highway engineering.

[0081] Example 2

[0082] This embodiment uses the positioning of supports along a utility tunnel as an example to specifically illustrate a method for positioning equipment along a linear engineering line in this invention:

[0083] S1: The user designs the planar design parameters, longitudinal section design parameters, and installation parameters of the supports along the pipeline corridor for the pipeline corridor project; and inputs the planar design parameters, longitudinal section design parameters, and installation parameters of the equipment along the pipeline corridor project into the BIM model. That is, the BIM model obtains the planar design parameters, longitudinal section design parameters, and installation parameters of the equipment along the pipeline corridor project. The installation parameters of the supports along the pipeline corridor are shown in Table 5.

[0084] Table 5: Installation parameters of supports along the utility tunnel

[0085]

[0086] S2: Draw the spatial curve of the utility tunnel project in the BIM model according to the plan design parameters and longitudinal section design parameters, and obtain the pile-by-pile coordinate parameter table and reference point P0 of the utility tunnel project according to the spatial curve of the utility tunnel project. Export the pile-by-pile coordinate parameter table of the utility tunnel project from the BIM model. See Table 6 for the pile-by-pile coordinate parameter table of the utility tunnel project.

[0087] Table 6: Pile-by-Pile Coordinate Parameters for Pipe Gallery Project

[0088]

[0089] In Table 6, column A contains the X-direction value for each station, column B contains the Y-direction value for each station, and column C contains the Z-direction value for each station.

[0090] S3: Import the pile-by-pile coordinate parameter table of the utility tunnel project into the 3D modeling software to generate a 3D curve model of the utility tunnel project. Based on the point coordinates in the installation parameters, select point P on the 3D curve model as the installation point. Determine point P based on the installation parameters and the reference point P0. Use point P as the installation point for the equipment along the route. Calculate the transformation parameters at point P. (See [link / reference]). Figure 12 Calculate the three-dimensional coordinate system S located at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the model is parallel to the normal direction of point P; Revit is the preferred 3D modeling software.

[0091] Multiple supports are installed along the utility tunnel, corresponding to multiple points P. A three-dimensional coordinate system S is established for each point P. xyz .

[0092] S4: See also Figure 13 Calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector of the XY plane, the projection vector Vy' along the global coordinate system G xyz Rotating the Z-axis by 90 degrees yields the deflection Vy", which points to the right side of the utility tunnel project.

[0093] S4: See Table 7 for the width control curve C extracted from one side of the utility tunnel project. k Parameters;

[0094] Table 7: Width Control Curve Parameters on One Side of the Utility Tunnel Project

[0095]

[0096] In Table 7, column A contains the X-direction values ​​of the width control curve parameters, column B contains the Y-direction values, and column C contains the Z-direction values. The width control curve parameters are user-designed.

[0097] Determine the distance from point P to the width control curve C k The vertical distance is used as the lateral offset value; the sum of the lateral offset value and the lateral correction value is taken as the lateral offset of the supports along the utility tunnel, where the lateral correction value refers to the set distance between the supports along the utility tunnel and the width control curve C. kThe safety distance between them. This safety distance is designed by the user; the lateral offset is used to offset point P along the direction of the offset direction Vy", see Table 8 for the multiple lateral offsets obtained; the support along the pipe rack in the global coordinate system G is determined according to the sum of the installation height (d = 1.6m) and the Z value of point P (321.532m) in the installation parameters. xyz The Z-value is 323.132m, which is used to locate the supports along the utility tunnel.

[0098] Table 8: Lateral Offset of Supports Along the Pipe Gallery

[0099]

[0100] The first column in Table 8 shows the serial number of the supports along the utility tunnel, and the second column shows the lateral offset of the supports along the utility tunnel.

[0101] S6: Based on the orientation (positive) in the installation parameters, i.e., the initial orientation of the supports along the pipe gallery pointing towards the small station number, determine the initial orientation and the three-dimensional coordinate system S. xyz The angle between the Y-axis and the [other axis] is used to rotate the supports along the utility tunnel, thereby determining the specific orientation of the supports in the 3D modeling software. See [link / reference]. Figure 14 The supports along the pipeline corridor are positioned in the pipeline corridor project.

[0102] See Figure 2 The present invention also proposes a system for locating equipment along a linear engineering project based on the above-described method for locating equipment along the project line, comprising:

[0103] Parameter acquisition module: used to acquire the planar design parameters, longitudinal section design parameters, and installation parameters of linear engineering projects;

[0104] BIM Modeling Module: Used to draw the spatial curves of linear engineering in the BIM model based on the planar design parameters and longitudinal section design parameters, and to obtain the pile-by-pile coordinate parameter table and benchmark point P0 of the linear engineering based on the spatial curves of the linear engineering.

[0105] The dynamic coordinate establishment module is used to import the pile-by-pile coordinate parameter table of a linear project into 3D modeling software, generate a 3D curve model of the linear project, determine point P based on installation parameters and reference point P0, use point P as the installation point of equipment along the line, calculate the transformation parameters at point P, and establish a 3D coordinate system S at point P based on the transformation parameters. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the diagram is parallel to the normal direction of point P;

[0106] Deflection module: used to calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system Gxyz The projection vector Vy' onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy".

[0107] And the positioning module: used to extract the width control curve C of linear engineering. k According to the width control curve C k Determine the lateral offset of the equipment along the line, and use the lateral offset to offset point P along the direction of the offset magnitude Vy" to obtain the equipment along the line in the global coordinate system G. xyz The X and Y values ​​in the coordinate system; the sum of the installation parameters and the Z value of point P determines the location of the equipment along the line in the global coordinate system G. xyz The Z value in the coordinate system; based on the equipment along the line in the global coordinate system G. xyz The X, Y, and Z values ​​are used in 3D modeling software to locate equipment along the linear engineering line.

[0108] The system for locating equipment along a linear engineering line of the present invention is completely corresponding to the method for locating equipment along a linear engineering line described above. The specific contents of the parameter acquisition module, BIM modeling module, dynamic coordinate establishment module, deflection module and positioning module are described in the section on the method for locating equipment along a linear engineering line described above, and will not be repeated here.

[0109] In this invention, the planar design parameters, longitudinal section design parameters, and installation parameters are all design parameters given by the user.

[0110] It should be noted that the linear engineering in this invention is only applicable to highway projects, pipeline projects or other single-line projects, and not applicable to multiple lines (combination of main line and auxiliary line) in railway lines.

[0111] The above description is only used to illustrate the technical solutions of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing, those skilled in the art should understand that modifications can still be made to the technical solutions described above, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present invention.

Claims

1. A method for locating equipment along a linear engineering line, characterized in that, Includes the following steps: S1: Obtain the planar design parameters, longitudinal section design parameters, and installation parameters for linear engineering projects; S2: Draw the spatial curve of the linear project in the BIM model according to the plan design parameters and longitudinal section design parameters, and obtain the pile-by-pile coordinate parameter table and benchmark point P0 of the linear project according to the spatial curve of the linear project. S3: Import the pile-by-pile coordinate parameter table of the linear project into the 3D modeling software to generate a 3D curve model of the linear project. Determine point P based on the installation parameters and the reference point P0. Use point P as the installation point of the equipment along the line. Calculate the transformation parameters at point P. Establish a 3D coordinate system S at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the diagram is parallel to the normal direction of point P; S4: Calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector Vy' onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy". S5: Extract the width control curve C of the linear project. k According to the width control curve C k Determine the lateral offset of the equipment along the line, and use the lateral offset to offset point P along the direction of the offset magnitude Vy" to obtain the equipment along the line in the global coordinate system G. xyz The X and Y values ​​in the coordinate system; the sum of the installation parameters and the Z value of point P determines the location of the equipment along the line in the global coordinate system G. xyz The Z value in the coordinate system; based on the equipment along the line in the global coordinate system G. xyz The X, Y, and Z values ​​are used in 3D modeling software to locate equipment along the linear engineering line.

2. The method for locating equipment along a linear engineering line according to claim 1, characterized in that, In step S5, according to the width control curve C k Determining the lateral offset of equipment along the route specifically includes: Determine the distance from point P to the width control curve C k The vertical distance is used as the horizontal offset value; The lateral offset of the equipment along the line is the sum of the lateral offset value and the lateral correction value. The lateral correction value refers to the set distance between the equipment along the line and the width control curve C. k The safe distance between them.

3. The method for locating equipment along a linear engineering line according to claim 1, characterized in that, The installation parameters include equipment name, lateral correction value, installation height, orientation, side, mileage marker, and point coordinates.

4. The method for locating equipment along a linear engineering line according to claim 3, characterized in that, In step S5, the location of the equipment along the line in the global coordinate system G is determined based on the sum of the installation parameters and the Z value of point P. xyz The Z value is specifically determined by the sum of the installation height and the Z value of point P in the installation parameters, which defines the equipment along the line in the global coordinate system G. xyz The Z value in the text.

5. The method for locating equipment along a linear engineering line according to claim 1, characterized in that, The reference point P0 is any point on the three-dimensional curve model other than point P.

6. The method for locating equipment along a linear engineering line according to claim 1, characterized in that, The conversion parameters at point P are specifically calculated by dividing the distance between the starting point of the linear project and point P by the total length of the linear project.

7. The method for locating equipment along a linear engineering line according to claim 6, characterized in that, The process of determining point P based on installation parameters and reference point P0 specifically includes: taking the point on the three-dimensional curve model that is closest to reference point P0 based on the installation parameters, as point P.

8. The method for locating equipment along a linear engineering line according to claim 3, characterized in that, Using the orientation in the installation parameters as the initial orientation, determine the initial orientation and the three-dimensional coordinate system S. xyz The angle between the Y and the line is used to rotate the equipment along the line, thereby determining the orientation of the equipment along the line in the 3D modeling software.

9. The method for locating equipment along a linear engineering line according to claim 1, characterized in that, In step S1, the planar design parameters include the intersection coordinates, curve radius, and transition curve parameters; the longitudinal profile design parameters include the station number of the slope change point, the elevation of the slope change point, and the vertical curve parameters.

10. A system for locating equipment along a linear engineering line, based on the method for locating equipment along a linear engineering line as described in claim 1, characterized in that, include: Parameter acquisition module: used to acquire the planar design parameters, longitudinal section design parameters, and installation parameters of linear engineering projects; BIM Modeling Module: Used to draw the spatial curves of linear engineering in the BIM model based on the planar design parameters and longitudinal section design parameters, and to obtain the pile-by-pile coordinate parameter table and benchmark point P0 of the linear engineering based on the spatial curves of the linear engineering. The dynamic coordinate establishment module is used to import the pile-by-pile coordinate parameter table of a linear project into 3D modeling software, generate a 3D curve model of the linear project, determine point P based on installation parameters and reference point P0, use point P as the installation point of equipment along the line, calculate the transformation parameters at point P, and establish a 3D coordinate system S at point P based on the transformation parameters at point P. xyz , where the three-dimensional coordinate system S xyz In the three-dimensional coordinate system S, the Y-axis is the tangent direction of point P, and the coordinate system S is... xyz The X-axis in the diagram is parallel to the normal direction of point P; Deflection module: used to calculate the three-dimensional coordinate system S xyz The Y-axis in the global coordinate system G xyz The projection vector Vy' onto the XY plane is then projected along the global coordinate system G. xyz Rotating the Z-axis by 90 degrees yields the deflection Vy". And the positioning module: used to extract the width control curve C of linear engineering. k According to the width control curve C k Determine the lateral offset of the equipment along the line, and use the lateral offset to offset point P along the direction of the offset magnitude Vy" to obtain the equipment along the line in the global coordinate system G. xyz The X and Y values ​​in the coordinate system; the sum of the installation parameters and the Z value of point P determines the location of the equipment along the line in the global coordinate system G. xyz The Z value in the coordinate system; based on the equipment along the line in the global coordinate system G. xyz The X, Y, and Z values ​​are used in 3D modeling software to locate equipment along the linear engineering line.

Images