Three-dimensional rapid design method for water delivery pipeline of pumped storage power station based on CATIA

Abstract

According to the three-dimensional rapid design method for the water delivery pipeline of the pumped storage power station based on the CATIA, pressure calculation of the water delivery pipeline and three-dimensional design of the water delivery pipeline are organically combined, a parameterized three-dimensional model is established, a calculation template is designed, and the three-dimensional axis of the water delivery pipeline is laid in combination with a geologic model; the reasonable and accurate calculation and verification of the design axis are driven by parameters, the engineering quantity calculation result is quickly exported after the three-dimensional design is completed, and the three-dimensional reasonable and efficient design of the water conveying pipeline is realized. Compared with a traditional two-dimensional design, the spatial form of the water conveying pipeline can be more truly and visually arranged, related pressure verification calculation and engineering quantity calculation can be more efficiently completed, and a designer can conveniently optimize and adjust the three-dimensional design of the water conveying pipeline.

Description

Technical Field

[0001] The present invention belongs to the technical field of water conservancy and hydropower engineering design methods, and particularly relates to a three-dimensional rapid design method for the water conveyance pipeline of a pumped storage power station based on CATIA. Background Art

[0002] As an important energy storage and regulation facility, the pumped storage power station plays an irreplaceable role in the power system. The water conveyance pipeline is a key structure for concentrating the generating head of the pumped storage power station, accounting for a high proportion of the project investment cost. Its spatial layout is flexible and changeable, greatly affected by geological conditions, and the design calculation process is highly cross-linked. The stress calculation and analysis and the modification of the engineering quantity calculation caused by the three-dimensional spatial layout and the adjustment of the pipeline size during the design process are the key points affecting the design quality and efficiency of the water conveyance pipeline.

[0003] Currently, the invention research on the design method of the water conveyance pipeline of the pumped storage power station mainly focuses on the optimization of the structural layout of the water conveyance pipeline and the construction of a simple three-dimensional model, without researching on the integration of three-dimensional design calculation and the efficiency of related design calculations. Summary of the Invention

[0004] The purpose of the present invention is to provide a three-dimensional rapid design method for the water conveyance pipeline of a pumped storage power station based on CATIA, which solves the problems that the existing design methods do not target the integration of three-dimensional design calculation and the efficiency of related design calculations.

[0005] The technical solution adopted by the present invention is: a three-dimensional rapid design method for the water conveyance pipeline of a pumped storage power station based on CATIA, including the following steps: Step 1, establish a pressure calculation template for the water conveyance pipeline and a body shape template for the water conveyance pipeline; Step 2, set the pipeline engineering characteristic parameters; Step 3, draw the three-dimensional general axis of the water conveyance pipeline, respectively define the three-dimensional axes of each section and select the terrain surface; Step 4, read the pipeline engineering characteristic parameters set in Step 2, the lengths, pipe axis angles, endpoint elevations, vertical burial depths and minimum burial depths of the three-dimensional axes of each section determined in Step 3, substitute them into the pressure calculation template for the water conveyance pipeline established in Step 1, and calculate and confirm the pipe diameters and steel lining thicknesses of each section of the water conveyance pipeline; Step 5, read the pipe diameters and steel lining thicknesses of each section of the water conveyance pipeline determined in Step 4 and the three-dimensional axes of each section defined in Step 3, call the body shape template for the water conveyance pipeline established in Step 1, and generate the three-dimensional body shape models of each section of the water conveyance pipeline.

[0006] The characteristics of the present invention also lie in that The specific method for establishing the water conveyance pipeline pressure calculation template in Step 1 is as follows: Create water conveyance pipeline pressure calculation parameters, including the pipe diameter of the water conveyance pipeline, the rated flow rate of the unit, the number of units, the number of hydraulic units, the axial length of the pipeline, the pipe axis angle, the vertical burial depth, the steel lining thickness, the steel type of the steel lining, the spacing of stiffening rings, the thickness of stiffening rings, the steel type of stiffening rings, and the design strength of the steel. According to the pressure calculation formula in the hydraulic tunnel design code, establish the water conveyance pipeline pressure calculation template.

[0007] The specific method for establishing the water conveyance pipeline shape template in Step 1 is as follows: Create water conveyance pipeline shape parameters, including the cross-section form, pipe diameter, steel lining thickness, lining thickness, shotcrete thickness, the location of the transition section, and the length of the transition section. Take the pipeline center line as the input condition to establish the water conveyance pipeline shape template, and internally set the measurement parameters related to the engineering quantity calculation model.

[0008] The specific method for establishing the water conveyance pipeline engineering quantity calculation template in Step 1 is as follows: Create engineering quantity calculation parameters, including the shotcrete thickness, bolt spacing, bolt row spacing, and stage coefficient. Define the engineering quantity calculation items and establish the water conveyance pipeline engineering quantity calculation template.

[0009] The pipeline engineering characteristic parameters set in Step 2 include the normal storage level and dead level of the upper and lower reservoirs, the number of hydraulic units, the turbine suction height, the rated flow rate of the unit, and the number of units.

[0010] The three-dimensional axes of each section in Step 3 include the three-dimensional axes of the upper horizontal section, upper bend section, upper inclined / vertical shaft section, middle horizontal upper bend section, middle horizontal section, middle horizontal lower bend section, lower inclined / vertical shaft section, lower bend section, and lower horizontal section.

[0011] Step 4 specifically includes the following steps: Step 4.1: Set the pipe diameter, steel lining thickness, steel type, structural design coefficient, drainage tunnel elevation, burial depth reduction coefficient, and stability safety coefficient of each section of the water conveyance pipeline, and read the pipeline engineering characteristic parameters set in Step 2 and the lengths, pipe axis angles, end elevations, vertical burial depths, and minimum burial depths of the three-dimensional axes of each section of the water conveyance pipeline determined in Step 3; Step 4.2: Substitute the parameter values set and read in Step 4.1 into the water conveyance pipeline pressure calculation template established in Step 1 to calculate the flow velocity, designed value of internal water pressure, designed value of external water pressure, vertical criterion surrounding rock cover thickness, Norwegian criterion surrounding rock cover thickness, steel pipe structure resistance limit value, steel lining thickness, and critical load of each section of the water conveyance pipeline; Step 4.3: Adjust the spatial layout, length, pipe diameter of each section, and steel type of the three-dimensional axis of the water conveyance pipeline, and repeat Step 4.2 until the design strength of each section of the water conveyance pipeline and the pipeline burial depth meet the requirements of the hydraulic tunnel design code, that is, the steel lining thickness is less than the upper limit value of the current steel type thickness, the ratio of the critical load to the design value of the external water pressure is greater than the stability safety factor, the vertical burial depth of the pipeline is greater than the surrounding rock covering thickness of the vertical criterion, and the minimum burial depth of the pipeline is greater than the surrounding rock covering thickness of the Norwegian criterion. If all four requirements are met simultaneously, it is judged to meet the code requirements; otherwise, it is judged not to meet the code requirements, and finally, the pipe diameter and steel lining thickness of each section of the water conveyance pipeline are determined.

[0012] Step 5 specifically includes: setting the cross-sectional form of each section of the water conveyance pipeline, the location of the transition section, the lining thickness, and the shotcrete thickness, reading the pipe diameter of each section and the steel lining thickness determined in Step 4 and the three-dimensional axis of each section defined in Step 3, and calling the three-dimensional shape template of the water conveyance pipeline established in Step 1 to generate the three-dimensional shape model of each section of the water conveyance pipeline.

[0013] Step 1 also includes establishing a calculation template for the engineering quantity of the water conveyance pipeline.

[0014] Step 6 specifically includes the following steps: Step 6.1: Select a certain section of the water conveyance pipeline, read the model measurement parameters related to the engineering quantity calculation in the three-dimensional shape model of the water conveyance pipeline generated in Step 5, and set the calculation parameters related to the excavation support of the selected section, including the lining concrete type, the reinforcement ratio of the concrete, the bolt type, the bolt spacing, the bolt row spacing, the hole depth of the consolidation grouting holes, the hole spacing, and the hole row spacing. Call the calculation template for the engineering quantity of the water conveyance pipeline established in Step 1 to calculate the engineering quantity of the selected section of the water conveyance pipeline. Step 6.2: Repeat Step 6.1 to calculate the engineering quantity of each section of the water conveyance pipeline, summarize the engineering quantity of each section to obtain the total engineering quantity of the current water conveyance pipeline, export the total engineering quantity table, and complete the three-dimensional design of the current water conveyance pipeline.

[0015] The beneficial effects of the present invention are as follows: The three-dimensional rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA of the present invention organically combines the pressure calculation of the water conveyance pipeline with the three-dimensional design of the water conveyance pipeline, establishes a parametric three-dimensional model and a design calculation template. While laying out the three-dimensional axis of the water conveyance pipeline in combination with the geological model, the accurate calculation and verification of the rationality of the design axis are driven by parameters. After the three-dimensional design is completed, the calculation results of the engineering quantity can be quickly exported, realizing the three-dimensional reasonable and efficient design of the water conveyance pipeline. Compared with the traditional two-dimensional design, it can more realistically and intuitively lay out the spatial form of the water conveyance pipeline, more efficiently complete the relevant pressure verification calculation and engineering quantity calculation, and facilitate the design personnel to optimize and adjust the three-dimensional design of the water conveyance pipeline. Brief Description of the Drawings

[0016] Figure 1It is a schematic diagram of the water conveyance pipeline pressure calculation template in the 3D rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA; Figure 2 It is a schematic diagram of the water conveyance pipeline shape template in the 3D rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA; Figure 3 It is a schematic diagram of the water conveyance pipeline engineering quantity calculation template in the 3D rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA; Figure 4 It is a schematic diagram of the generation of the 3D model of the water conveyance pipeline shape in the 3D rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA; Figure 5 It is a schematic diagram of the export of the total engineering quantity of the water conveyance pipeline in the 3D rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA. Specific implementation manners

[0017] The present invention will be described in detail below with reference to the accompanying drawings and specific implementation manners.

[0018] Example 1 The present invention provides a 3D rapid design method for the water conveyance pipeline of a pumped storage power station based on CATIA, which gives full play to the significant advantages of CATIA V6 in 3D space layout. According to the professional design process of the water conveyance pipeline, it organically integrates the parametric 3D model and the standardized stress calculation, can intuitively, quickly and accurately display the spatial layout and building structure of the water conveyance pipeline, realizes the synchronous advancement of 3D design layout and mechanical calculation analysis, and avoids the low efficiency and error risks caused by the disconnection between the two in the traditional design process, providing a highly integrated integrated 3D design scheme for the water conveyance pipeline of the pumped storage power station.

[0019] Example 2 The present invention provides a 3D rapid design method for the water conveyance pipeline of a pumped storage power station based on CATIA, including the following steps: Step 1: Create various control parameters of the water conveyance pipeline of the pumped storage power station, and establish a water conveyance pipeline pressure calculation template, a water conveyance pipeline shape template and a water conveyance pipeline engineering quantity calculation template.

[0020] Step 2: Create the name of the water conveyance pipeline of the pumped storage power station, and set the pipeline engineering characteristic parameters, including the normal storage water levels of the upper and lower reservoirs, the dead water level, the number of hydraulic units, the turbine suction height, the rated flow rate of the unit, the number of units, etc.

[0021] Step 3: Draw the three-dimensional general axis of the water conveyance pipeline, and clearly define the axes of each section such as the upper horizontal section, upper bend section, upper inclined / shaft section, middle horizontal upper bend section, middle horizontal section, middle horizontal lower bend section, lower inclined / shaft section, lower bend section, lower horizontal section, etc., and select the terrain surface.

[0022] Step 4: Set parameters such as the pipe diameter, steel lining thickness, and steel type of each section of the water conveyance pipeline, read the pipeline engineering characteristic parameters set in Step 2, the three-dimensional axis lengths, pipe axis angles, endpoint elevations, vertical burial depths, and minimum burial depths of each section of the water conveyance pipeline determined in Step 3, substitute them into the water conveyance pipeline pressure calculation template established in Step 1, calculate the flow velocity, internal and external water pressure design values, criterion surrounding rock cover thickness, steel pipe structure resistance limit, and critical load of each section of the water conveyance pipeline, and adjust the three-dimensional axis of the water conveyance pipeline and parameters such as the pipe diameter, steel lining thickness, and steel type of each section until the design strength and pipeline burial depth of the water conveyance pipeline meet the requirements of the Design Code for Hydraulic Tunnel (NB / T 10391 - 2020).

[0023] Step 5: Set parameters such as the cross-section form of each section of the water conveyance pipeline, the location of the transition section, the lining thickness, and the shotcrete thickness, read the pipe diameters and steel lining thicknesses of each section determined in Step 4 and the three-dimensional axes of each section defined in Step 3, call the water conveyance pipeline shape template established in Step 1, and generate the three-dimensional shape models of each section of the water conveyance pipeline, as Figure 4 shown.

[0024] Step 6: Set the parameters related to the excavation support calculation of the water conveyance pipeline, read the model measurement parameters related to the engineering quantity calculation in the three-dimensional shape models of each section of the water conveyance pipeline generated in Step 5, call the water conveyance pipeline engineering quantity calculation template established in Step 1, calculate the engineering quantities of each section of the current water conveyance pipeline respectively, summarize the engineering quantities of each section to obtain the total engineering quantity, export the total engineering quantity table, and complete the three-dimensional design of the current water conveyance pipeline.

[0025] Example 3 The present invention provides a three-dimensional rapid design method for the water conveyance pipeline of a pumped-storage power station based on CATIA. On the basis of Example 2, Step 1 preferably includes the following steps: Step 1.1: Create the water conveyance pipeline pressure calculation parameters, including parameters such as the water conveyance pipeline diameter, unit rated flow rate, number of units, number of hydraulic units, pipeline axis length, pipe axis angle, vertical burial depth, steel lining thickness, steel lining steel type, stiffening ring spacing, stiffening ring thickness, stiffening ring steel type, and steel design strength. According to the pressure calculation formula in the Design Code for Hydraulic Tunnel (NB / T10391 - 2020), establish the water conveyance pipeline pressure calculation template, as Figure 1 shown; Step 1.2: Create the physical parameters of the water conveyance pipeline, including the cross-section form, pipe diameter, thickness of steel lining, thickness of lining, thickness of shotcrete, location of the transition section, and length of the transition section. Establish a physical model template of the water conveyance pipeline with the pipeline centerline as the input condition, and embed the measurement parameters related to the engineering quantity calculation, such as Figure 2 as shown; Step 1.3: Create the engineering quantity calculation parameters, including the thickness of shotcrete, bolt spacing, bolt row spacing, and stage coefficient. Define the engineering quantity calculation items and establish an engineering quantity calculation template for the water conveyance pipeline, as Figure 3 shown.

[0026] Example 4 The present invention provides a three-dimensional rapid design method for the water conveyance pipeline of a pumped-storage power station based on CATIA. On the basis of Example 2, Step 4 preferably includes the following steps: Step 4.1: Set parameters such as the pipe diameter, thickness of steel lining, type of steel, structural design coefficient, elevation of the drainage tunnel, depth reduction coefficient, and stability safety factor for each section of the water conveyance pipeline. Read the pipeline engineering characteristic parameters such as the normal storage level, dead level, number of hydraulic units, turbine suction height, rated flow rate of the unit, and number of units set in Step 2. Determine the length, pipe axis angle, endpoint elevation, vertical burial depth, and minimum burial depth of the three-dimensional axis of each section of the water conveyance pipeline determined in Step 3; Step 4.2: Substitute the parameter values set and read in Step 4.1 into the water conveyance pipeline pressure calculation template established in Step 1 to calculate the flow velocity, designed value of internal water pressure, designed value of external water pressure, vertical criterion surrounding rock cover thickness, Norwegian criterion surrounding rock cover thickness, steel pipe structure resistance limit value, thickness of steel lining, and critical load for each section of the water conveyance pipeline; Step 4.3: Adjust the spatial layout, length of each section of the three-dimensional axis of the water conveyance pipeline, and parameters such as the pipe diameter and type of steel for each section. Repeat Step 4.2 until the design strength and pipeline burial depth of each section of the water conveyance pipeline meet the requirements of the Design Code for Hydraulic Tunnel (NB / T 10391-2020), that is, the thickness of the steel lining is less than the upper limit value of the thickness of the current type of steel, the ratio of the critical load to the designed value of the external water pressure is greater than the stability safety factor, the vertical burial depth of the pipeline is greater than the vertical criterion surrounding rock cover thickness, and the minimum burial depth of the pipeline is greater than the Norwegian criterion surrounding rock cover thickness. If all four requirements are met simultaneously, it is determined that the requirements of the code are met; otherwise, it is determined that the requirements of the code are not met, and finally, the pipe diameter and thickness of the steel lining for each section of the water conveyance pipeline are determined.

[0027] Example 5 The present invention provides a three-dimensional rapid design method for the water conveyance pipeline of a pumped-storage power station based on CATIA. On the basis of Example 2, Step 6 preferably includes the following steps: Step 6.1: Select a certain section of the water conveyance pipeline, read the engineering quantity calculation-related model measurement parameters of the three-dimensional shape of this section of the water conveyance pipeline generated in Step 5, and set the calculation-related parameters for the excavation and support of the shape of this section, including the lining concrete type, concrete reinforcement ratio, bolt type, bolt spacing, bolt row spacing, consolidation grouting hole depth, drilling spacing, drilling row spacing, etc. Call the water conveyance pipeline engineering quantity calculation template established in Step 1 to calculate the engineering quantity related to the shape of this section of the water conveyance pipeline; Step 6.2: Repeat Step 6.1 to calculate the engineering quantities of each section of the water conveyance pipeline, summarize the engineering quantities of each section to obtain the total engineering quantity of the current water conveyance pipeline, and export the total engineering quantity table, as Figure 5 shown, and complete the three-dimensional design of the current water conveyance pipeline.

[0028] Embodiment 6 The present invention provides a CATIA three-dimensional software design system, which includes a water conveyance pipeline design system for a pumped storage power station. The water conveyance pipeline design system stores instructions for calling template generation and calculation to execute the three-dimensional rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA of the present invention.

[0029] Specifically, based on the native function commands of the existing CATIA three-dimensional software, CAA secondary development is used to add a "water conveyance pipeline design" system. The "water conveyance pipeline design" system encapsulates the three-dimensional rapid design method of the water conveyance pipeline of the pumped storage power station based on CATIA. This command does not require the use of commands such as measurement in CATIA and formula calculation in Excel. Only need to click the "water conveyance pipeline design" command, select the three-dimensional axes of each section of the water conveyance pipeline to be input, and then input the relevant control parameters to quickly adjust and calculate to obtain the three-dimensional design, stress, and engineering quantity calculation results of the water conveyance pipeline, and export the total engineering quantity table to complete the three-dimensional design of the water conveyance pipeline of the pumped storage power station, that is, encapsulate all the previous processes in the "water conveyance pipeline design" command and use the program to automatically read and create, saving manual time.

[0030] Through the above method, the present invention organically combines the three-dimensional design and design calculation of the water conveyance pipeline of the pumped storage power station, constructs a professional design system for the water conveyance pipeline of the pumped storage power station through secondary development, realizes the efficient synchronization of the water conveyance pipeline design and calculation, quickly generates three-dimensional models and stress and engineering quantity calculation results, and effectively improves the design efficiency and quality of the water conveyance pipeline.

Claims

1. A 3D rapid design method for water pipelines of pumped storage power stations based on CATIA, characterized in that: The following steps are involved: Step 1: Establish a water pipeline pressure calculation template and a water pipeline shape template; Step 2: Set the pipeline engineering characteristic parameters; Step 3: Draw the three-dimensional general axis of the water pipeline, clearly define the three-dimensional axis of each section and select the terrain surface; Step 4: read the pipeline engineering characteristic parameters set in step 2, the length of the three-dimensional axis of each section, the pipe axis angle, the endpoint elevation, the vertical burial depth and the minimum burial depth determined in step 3, substitute them into the water pipeline pressure calculation template established in step 1, and calculate and confirm the pipe diameter and steel lining thickness of each section of the water pipeline; Step 5: read the pipe diameters of each section of the water pipeline determined in step 4, the steel lining thickness and the three-dimensional axis of each section defined in step 3, call the water pipeline shape template established in step 1, and generate three-dimensional shape models of each section of the water pipeline.

2. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 1, characterized in that: The specific method of establishing the water pipeline pressure calculation template in the step 1 is: create water pipeline pressure calculation parameters, including water pipeline diameter, unit rated flow, number of units, number of hydraulic units, pipeline axis length, pipe axis angle, vertical burial depth, steel lining thickness, steel lining steel type, stiffening ring spacing, stiffening ring thickness, stiffening ring steel type and steel design strength, and establish a water pipeline pressure calculation template according to the pressure calculation formula in the hydraulic tunnel design specification.

3. The CATIA-based three-dimensional rapid design method for water pipelines of pumped storage power stations according to claim 1, characterized in that: The specific method of establishing the water pipeline shape template in step 1 is: create water pipeline shape parameters, including cross-sectional form, pipe diameter, steel lining thickness, lining thickness, shotcrete thickness, location of gradient section and length of gradient section, establish the water pipeline shape template with the pipeline centerline as input condition, and build in the measurement parameters of the model related to engineering quantity calculation.

4. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 1, characterized in that: The specific method of establishing the water supply pipeline engineering quantity calculation template in step 1 is: creating engineering quantity calculation parameters, including shotcrete thickness, anchor spacing, anchor spacing and stage coefficient, clarifying engineering quantity calculation items, and establishing the water supply pipeline engineering quantity calculation template.

5. The CATIA-based three-dimensional rapid design method for water pipelines of pumped storage power stations according to claim 1, characterized in that: The pipeline engineering characteristic parameters set in step 2 include normal water storage levels of upper and lower reservoirs, dead water levels, number of hydraulic units, turbine suction height, rated flow of units and number of units.

6. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 1, characterized in that: The three-dimensional axes of each section in step 3 include the three-dimensional axes of the upper flat section, the upper curved section, the upper inclined / vertical shaft section, the middle flat upper curved section, the middle flat section, the middle flat lower curved section, the lower inclined / vertical shaft section, the lower curved section and the lower flat section.

7. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 1, characterized in that: The step 4 specifically comprises the following steps: Step 4.1, set the pipe diameter, steel lining thickness, steel type, structural design coefficient, drainage hole elevation, burial depth reduction coefficient and stability safety factor of each section of the water pipeline, read the pipeline engineering characteristic parameters set in step 2 and the length of the three-dimensional axis of each section of the water pipeline determined in step 3, the pipe axis angle, the end point elevation, the vertical burial depth and the minimum burial depth; Step 4.2, substitute the parameter values ​​set and read in step 4.1 into the water pipeline pressure calculation template established in step 1, and calculate the flow velocity of each section of the water pipeline, the design value of the internal water pressure, the design value of the external water pressure, the vertical standard surrounding rock cover thickness, the Norwegian standard surrounding rock cover thickness, the steel pipe structure resistance limit, the steel lining thickness and the critical load; Step 4.3, adjust the spatial layout, length, pipe diameter and steel type of each section of the three-dimensional axis of the water pipeline, and repeat step 4.2 until the design strength and buried depth of each section of the water pipeline meet the requirements of the hydraulic tunnel design specification, that is, the steel lining thickness is less than the upper limit of the thickness of the current steel type, the ratio of the critical load to the design value of the external water pressure is greater than the stability safety factor, the vertical buried depth of the pipeline is greater than the vertical standard surrounding rock cover thickness, and the minimum buried depth of the pipeline is greater than the Norwegian standard surrounding rock cover thickness. If the four requirements are met at the same time, it is judged to meet the requirements of the specification; otherwise, it is judged to not meet the requirements of the specification, and finally determine the pipe diameter and steel lining thickness of each section of the water pipeline.

8. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 1, characterized in that: The step 5 specifically includes: setting the cross-sectional form of each section of the water pipeline, the location of the gradient section, the lining thickness and the shotcrete thickness, reading the pipe diameter of each section determined in step 4, the steel lining thickness and the three-dimensional axis of each section defined in step 3, calling the water pipeline shape template established in step 1, and generating a three-dimensional shape model of each section of the water pipeline.

9. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 1, characterized in that: The step 1 also includes establishing a water pipeline engineering quantity calculation template.

10. The CATIA-based three-dimensional rapid design method for water pipelines of a pumped storage power station according to claim 9, characterized in that: The step 6 specifically comprises the following steps: Step 6.1, select a section of the water pipeline, read the model measurement parameters related to the engineering quantity calculation in the three-dimensional model of the water pipeline generated in step 5, set the parameters related to the excavation support calculation of the selected section, including the lining concrete model, concrete reinforcement ratio, anchor model, anchor spacing, anchor spacing, consolidation grouting drilling hole depth, drilling spacing and drilling spacing, call the water pipeline engineering quantity calculation template established in step 1, and calculate the engineering quantity of the selected section of the water pipeline; Step 6.2, repeat step 6.1 to calculate the engineering quantity of each section of the water pipeline, summarize the engineering quantity of each section to obtain the total engineering quantity of the current water pipeline, export the total engineering quantity table, and complete the three-dimensional design of the current water pipeline.

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