Cableway wire rope selection calculation method and calculation system

Abstract

The invention discloses a selection calculation method and calculation system for a cableway wire rope. The selection calculation method comprises the following steps: S1, selecting specifications of a main steel rope and an auxiliary rope according to a design length and a use condition; s2, the length of a main steel cable is calculated according to the tower distance A, the tower height B, the cable-stayed angle coefficient C, the sag coefficient D and the fastening coefficient E; s3, the length of a left-right kinematic pair rope is calculated according to the tower distance A1, the tower height B1, the sag coefficient C1 and the fastening coefficient D1; and S4, calculating the length of the lifting kinematic pair rope according to the tower distance A1, the tower height B1, the sag coefficient C1 and the fastening coefficient D1. According to the method, model selection errors and length deviation caused by empirical estimation in traditional design are effectively avoided, potential safety hazards caused by insufficient strength or too small installation allowance are fundamentally eradicated, and material waste and design repetition are greatly reduced.

Description

Technical Field

[0001] This invention relates to the technical field of stage equipment and high-altitude suspension systems, and in particular to a method and system for selecting and calculating cableway wire ropes. Background Technology

[0002] Wire stunt systems are widely used in film and television shooting, stage performances, and scenic tourism to enable the aerial movement of people or props.

[0003] In existing wire harness system designs, rope selection and length calculation rely heavily on experience, lacking a unified and scientific calculation method, which can easily lead to safety hazards or resource waste. Therefore, there is an urgent need for a systematic, quantifiable, safe, and reliable method for rope selection and calculation. Summary of the Invention

[0004] The purpose of this invention is to provide a method and system for calculating the selection of cableway wire ropes to solve the above-mentioned problems.

[0005] According to one aspect of the present invention, a method for selecting and calculating cableway wire ropes is provided, comprising the following steps: S1. Select the specifications of the main steel cable and auxiliary rope according to the design length and working conditions; S2. Calculate the length of the main steel cable based on the tower spacing A, tower height B, cable angle coefficient C, sag coefficient D, and fastening coefficient E; S3. Calculate the lengths of the left and right motion pair ropes based on the tower spacing A1, tower height B1, sag coefficient C1, and fastening coefficient D1. S4. Calculate the length of the lifting motion pair rope based on the tower spacing A1, tower height B1, sag coefficient C1, and fastening coefficient D1.

[0006] In some embodiments, the main steel cable has specifications including M12, M16, M20, and M30, with design lengths not exceeding 180 meters, 320 meters, 500 meters, and 500 meters, respectively, and breaking tensile forces of 80KN, 135KN, 205KN, and 400KN, respectively.

[0007] In some embodiments, the specifications of the left and right motion auxiliary ropes and the lifting motion auxiliary ropes include M4, M5, M6, and M8, with design lengths not exceeding 180 meters, 320 meters, 500 meters, and 500 meters respectively, and breaking strengths ranging from 12.5 kN to 60 kN respectively.

[0008] In some embodiments, the formula for calculating the length of the main steel cable is: The single main steel cable L1 is defined as follows: L1 = A + 2B + 2C + 2D + 2E; The two main steel cables L2 are: L = 2 × (A + 2B + 2C + 2D + 2E); Where C=1.5B, D=0.03A, and E=2.

[0009] In some embodiments, the formula for calculating the length of the left and right motion pair ropes is: The single left-right motion auxiliary rope L3 is defined as follows: L3 = 2A1 + 3B1 + 2C1 + 2D1; Where C1=0.03A1, D1=3.

[0010] In some embodiments, the formula for calculating the length of the lifting motion pair rope is: The single lifting motion auxiliary rope L4 is defined as follows: L4 = A1 + 3B1 + 2C1 + 2D1; The two lifting and lowering auxiliary ropes L5 are: L5 = 2 × (A1 + 3B1 + 2C1 + 2D1); Where C1=0.03A1, D1=3.

[0011] A cableway wire rope selection and calculation system, which uses the cableway wire rope selection and calculation method according to any one of claims 1 to 6 to select the rope and calculate its length.

[0012] In some embodiments, the range of the tower spacing A is: 10 meters ≤ A ≤ 500 meters; the range of the tower height B is: 5 meters ≤ B ≤ 60 meters; the range of the tower spacing A1 is: 10 meters ≤ A ≤ 500 meters; and the range of the tower height B1 is: 5 meters ≤ B ≤ 60 meters.

[0013] Compared with the prior art, the beneficial effects of this application are as follows: The cableway wire rope selection and calculation method provided by this invention significantly improves the safety, economy, and reliability of system design. By integrating selection criteria and precise calculation models, it effectively avoids selection errors and length deviations caused by relying on experience estimation in traditional designs. It not only fundamentally eliminates safety hazards caused by insufficient strength or too small installation margins, but also greatly reduces material waste and design iterations. At the same time, its standardized parameter system is easy to promote and apply in different projects, providing efficient, unified, and highly adaptable technical support for various high-altitude suspension scenarios. Detailed Implementation

[0014] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0015] This application provides a method for selecting and calculating cableway wire ropes, including the following steps: S1. Select the specifications of the main steel cable and auxiliary rope according to the design length and working conditions; S2. Calculate the length of the main steel cable based on the tower spacing A, tower height B, cable angle coefficient C, sag coefficient D, and fastening coefficient E; S3. Calculate the lengths of the left and right motion pair ropes based on the tower spacing A1, tower height B1, sag coefficient C1, and fastening coefficient D1. S4. Calculate the length of the lifting motion pair rope based on the tower spacing A1, tower height B1, sag coefficient C1, and fastening coefficient D1.

[0016] By establishing a selection process that directly links rope specifications with design length, operating conditions, and breaking strength, the system effectively avoids improper selection due to subjective experience in traditional designs. This significantly improves the scientific rigor and reliability of the selection process, ensuring the safety of the wire harness system from the outset. Furthermore, by introducing a systematic length calculation model and key coefficients, the system achieves precise quantitative determination of the main and auxiliary rope lengths. This overcomes the length deviation problems caused by relying on experience-based estimations, eliminating installation failures due to insufficient length and avoiding waste caused by material redundancy, thus improving the project's economic efficiency. In some embodiments, the main steel cable specifications include M12, M16, M20, and M30, with design lengths not exceeding 180 meters, 320 meters, 500 meters, and 500 meters respectively, and breaking strengths of 80 kN, 135 kN, 205 kN, and 400 kN respectively. By clearly defining the design length and breaking strength range corresponding to different specifications of main steel cables, designers are provided with a clear and reliable selection basis, ensuring that materials are selected reasonably while meeting strength requirements, and balancing safety and cost control.

[0017] In some embodiments, the specifications of the left and right motion auxiliary ropes and the lifting motion auxiliary ropes include M4, M5, M6, and M8, with design lengths not exceeding 180 meters, 320 meters, 500 meters, and 500 meters, respectively, and breaking strengths ranging from 12.5 kN to 60 kN. By refining the specifications of the auxiliary ropes, they can be precisely matched to the mechanical requirements and spatial constraints under different working conditions, enhancing the targetedness and adaptability of the selection and optimizing the overall system configuration.

[0018] Main cable selection Secondary rope selection In some embodiments, the formula for calculating the length of the main steel cable is: The single main steel cable L1 is defined as follows: L1 = A + 2B + 2C + 2D + 2E; The two main steel cables L2 are: L = 2 × (A + 2B + 2C + 2D + 2E); Where C=1.5B, D=0.03A, and E=2.

[0019] This ensured the accuracy of the main load-bearing structure design, improved installation efficiency, and reduced on-site adjustments.

[0020] In some embodiments, the formula for calculating the length of the left and right motion pair ropes is: The single left-right motion auxiliary rope L3 is defined as follows: L3 = 2A1 + 3B1 + 2C1 + 2D1; Where C1=0.03A1, D1=3.

[0021] By using a length algorithm for translational motion, the required margins for motion stroke, verticality, and fastening are accurately reserved, ensuring smooth and stable lateral movement and improving the reliability of equipment operation.

[0022] In some embodiments, the formula for calculating the length of the lifting motion pair rope is: The single lifting motion auxiliary rope L4 is defined as follows: L4 = A1 + 3B1 + 2C1 + 2D1; The two lifting and lowering auxiliary ropes L5 are: L5 = 2 × (A1 + 3B1 + 2C1 + 2D1); Where C1=0.03A1, D1=3.

[0023] By differentiating between single and double cable working conditions using calculation formulas, the length of the lifting rope was accurately determined, effectively ensuring the synchronization and safety of the lifting process, while also optimizing the efficiency of the drum winding rope.

[0024] In some implementations, the range of the tower spacing A is: 10 meters ≤ A ≤ 500 meters; the range of the tower height B is: 5 meters ≤ B ≤ 60 meters; the range of the tower spacing A1 is: 10 meters ≤ A ≤ 500 meters; and the range of the tower height B1 is: 5 meters ≤ B ≤ 60 meters. By limiting the reasonable range of tower spacing and height, a clear and reliable engineering application boundary is provided for the entire calculation method, ensuring the validity and accuracy of the calculation formula and coefficients within this range. This effectively prevents the distortion of calculation results or safety risks caused by parameters exceeding limits. At the same time, this range covers the vast majority of practical application scenarios, significantly improving the practicality and guiding value of this calculation method.

[0025] A cableway wire rope selection and calculation system is provided, employing the cableway wire rope selection and calculation method described in any one of claims 1 to 6 for rope selection and length calculation. By integrating the above selection and calculation methods into the system, the process of wire rope design and calculation is streamlined and automated, significantly improving design efficiency and result consistency, and facilitating the standardization, promotion, and application of this technology.

[0026] The system has established a main cable specification database, which stores key parameters for different specifications of load-bearing cables, such as the design length range (≤180 meters, ≤320 meters, ≤500 meters), applicable working conditions (single cable / double cable), and breaking strength (e.g., 80KN, 135KN, 205KN, 400KN) corresponding to models such as M12, M16, M20, and M30. Based on key design conditions input by the user, such as the actual load-bearing weight and tower spacing, the system can automatically match and recommend the most suitable main cable specification using a built-in filtering algorithm.

[0027] Similarly, the system also constructs a database of auxiliary rope specifications, covering detailed parameters of various load-bearing steel cables and ropes ranging from M4 to M8. Based on the functional type of the auxiliary rope (such as left-right translational movement or up-down lifting movement) and specific load-bearing requirements, the system can intelligently select the matching rope specifications to ensure that its breaking strength and performance meet the actual working conditions.

[0028] The rope length calculation module of this system further includes the following sub-modules: The main cable length calculation submodule is used to obtain the user-defined tower spacing A (range 10-500 meters) and tower height B (range 5-60 meters), and automatically calculates the cable angle coefficient C (C = B×1.5), sag coefficient D (D = A×3%), and a fixed fastening coefficient E of 2 meters. The length of a single cable is accurately calculated using the formula L = A + 2B + 2C + 2D + 2E, while the length of a double cable is twice that of a single cable. This module effectively ensures the accuracy of the main cable length under different engineering layouts, eliminating installation and operational risks caused by length deviations.

[0029] The submodule for calculating the length of the auxiliary ropes for left and right movement is used to collect the tower spacing A1 (within the same range as the main cable parameters) and tower height B1, and automatically calculate the sag coefficient C1 (C1=A1×3%) and the fastening coefficient D1, which is 3. The length of the single-cable left and right movement rope is calculated according to the formula L =2A1+3B1+2C1+2D1, and the length is doubled accordingly in the case of double-cable operation. This ensures that the length configuration of the lateral movement rope is optimal, supporting the wire harness equipment to achieve smooth and reliable lateral movement.

[0030] The submodule for calculating the length of the auxiliary rope for vertical movement also calculates the sag coefficient C1 and the fastening coefficient D1 based on the input parameters A1 and B1. The length of the single-rope lifting motion is determined by the formula L = A1 + 3B1 + 2C1 + 2D1, while the length of the double-rope motion is twice that of the single-rope motion. This ensures precise matching of the rope length required for lifting operations, guaranteeing the safety and efficiency of the wire harness system in the vertical direction.

[0031] Through the coordinated operation of the aforementioned database and computing modules, the system of this invention can comprehensively improve the efficiency, accuracy, and reliability of cableway wire engineering design, and is suitable for various complex application scenarios.

[0032] The cableway wire rope selection and calculation method provided by this invention significantly improves the safety, economy, and reliability of system design. By integrating selection criteria and precise calculation models, it effectively avoids selection errors and length deviations caused by relying on experience estimation in traditional designs. It not only fundamentally eliminates safety hazards caused by insufficient strength or too small installation margins, but also greatly reduces material waste and design iterations. At the same time, its standardized parameter system is easy to promote and apply in different projects, providing efficient, unified, and highly adaptable technical support for various high-altitude suspension scenarios.

[0033] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for selecting and calculating cableway wire ropes, characterized in that, Includes the following steps: S1. Select the specifications of the main steel cable and auxiliary rope according to the design length and working conditions; S2. Calculate the length of the main steel cable based on the tower spacing A, tower height B, cable angle coefficient C, sag coefficient D, and fastening coefficient E; S3. Calculate the lengths of the left and right motion pair ropes based on the tower spacing A1, tower height B1, sag coefficient C1, and fastening coefficient D1. S4. Calculate the length of the lifting motion pair rope based on the tower spacing A1, tower height B1, sag coefficient C1, and fastening coefficient D1.

2. The method for selecting and calculating cableway wire ropes according to claim 1, characterized in that, The specifications of the main steel cable include M12, M16, M20 and M30, with design lengths not exceeding 180 meters, 320 meters, 500 meters and 500 meters respectively, and breaking tensile strengths of 80KN, 135KN, 205KN and 400KN respectively.

3. The method for selecting and calculating cableway wire ropes according to claim 1, characterized in that, The specifications of the left and right movement auxiliary ropes and the lifting movement auxiliary ropes include M4, M5, M6 and M8, with design lengths not exceeding 180 meters, 320 meters, 500 meters and 500 meters respectively, and breaking strengths ranging from 12.5KN to 60KN respectively.

4. The method for selecting and calculating cableway wire ropes according to claim 1, characterized in that, The formula for calculating the length of the main steel cable is: The single main steel cable L1 is defined as follows: L1 = A + 2B + 2C + 2D + 2E; The two main steel cables L2 are: L = 2 × (A + 2B + 2C + 2D + 2E); Where C=1.5B, D=0.03A, and E=2.

5. The method for selecting and calculating cableway wire ropes according to claim 1, characterized in that, The formula for calculating the length of the left and right motion pair ropes is: The single left-right motion auxiliary rope L3 is defined as follows: L3 = 2A1 + 3B1 + 2C1 + 2D1; Where C1=0.03A1, D1=3.

6. The method for selecting and calculating cableway wire ropes according to claim 1, characterized in that, The formula for calculating the length of the lifting motion auxiliary rope is: The single lifting motion auxiliary rope L4 is defined as follows: L4 = A1 + 3B1 + 2C1 + 2D1; The two lifting and lowering auxiliary ropes L5 are: L5 = 2 × (A1 + 3B1 + 2C1 + 2D1); Where C1=0.03A1, D1=3.

7. A selection calculation system for cableway wire ropes, characterized in that, The rope selection and length calculation are performed using the cableway wire rope selection calculation method described in any one of claims 1 to 6.

8. The method for selecting and calculating cableway wire ropes according to claim 1, characterized in that, The range of the tower spacing A is: 10 meters ≤ A ≤ 500 meters; the range of the tower height B is: 5 meters ≤ B ≤ 60 meters; the range of the tower spacing A1 is: 10 meters ≤ A ≤ 500 meters; the range of the tower height B1 is: 5 meters ≤ B ≤ 60 meters.

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