Freight cableway load saddle-passing impact power calculation method and system

A freight cableway and load technology, which is applied in the field of numerical calculation in the structural design and analysis of freight cableways, can solve problems such as the inability to consider the dynamic influence of cableway components, potential safety hazards, and insufficient design strength of cableway structural components

Pending Publication Date: 2019-06-11
CHINA ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the lack of research on the impact velocity of the saddle under load and the change of the load-bearing and traction cables under impact, there is still no effective calculation method for the impact dynamics of the saddle under load. It is impossible to consider the dynamic impact of the impact of the load passi

Method used

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  • Freight cableway load saddle-passing impact power calculation method and system
  • Freight cableway load saddle-passing impact power calculation method and system
  • Freight cableway load saddle-passing impact power calculation method and system

Examples

Experimental program
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Effect test

Embodiment 1

[0103] The present invention is realized by adopting the following technical solutions:

[0104] A method for calculating the impact dynamics of a freight cableway load passing through a saddle, such as figure 1 shown, including the following steps:

[0105] Step 1: Obtain the parameters of the freight cableway bearing cable nodes and load nodes;

[0106] Step 2: Bring the obtained parameters of the load-bearing cable nodes and load nodes of the freight cableway into the pre-established motion equations of the load-bearing cable nodes and load nodes, increase the time step according to the set time increment step, and solve the motion of the nodes Calculate the resultant force of the load-bearing cable nodes and load nodes in the next time step until the end of the preset time period, and obtain the resultant force of the load-bearing cable nodes and load nodes in each time step;

[0107] Step 3: Take the maximum value of the resultant forces of the bearing cable nodes and l...

Embodiment 2

[0190] Based on the same inventive concept, the present invention also provides a freight cableway load passing saddle shock dynamic calculation system, such as Figure 7 As shown, the system includes: an acquisition module, a calculation module and a reference value module;

[0191] Obtaining module: used to obtain the parameters of the freight cableway bearing cable nodes and load nodes;

[0192] Calculation module: used to bring the obtained parameters of the load-bearing cable nodes and load nodes of the freight cableway into the pre-established load-bearing cable nodes and load node motion equations, increase the time step according to the set time increment step, and solve the described The node motion equation calculates the resultant force of the load-bearing cable nodes and load nodes in the next time step until the end of the preset time period, and obtains the resultant force of the load-bearing cable nodes and load nodes in each time step;

[0193] Reference value...

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Abstract

The invention provides a freight cableway load saddle passing impact power calculation method. The method comprises the steps of acquiring parameters of freight cableway bearing cable nodes and load nodes;substituting the obtained parameters of the cargo cableway bearing cable node and the load node into a pre-established motion equation of the bearing cable node and the load node; adding a time step according to the set time increment step length, solving the node motion equation, calculating the acting resultant force of the bearing cable node and the load node of the next time step until the preset time period is ended, and obtaining the acting resultant force of the bearing cable node and the load node of each time step; And taking the maximum value in the obtained action resultant force of the cable carrying nodes and the load nodes in all the time steps as a reference value for designing the freight cableway. According to the technical scheme provided by the invention, the load of the freight cableway under the action of load impact and the stress condition of the bearing cable part can be calculated, complex calculation is avoided, the calculation precision and efficiency are improved, and a more accurate calculation result is provided for cableway design and part selection.

Description

technical field [0001] The invention relates to the field of numerical calculation methods in structural design and analysis of a freight cableway, in particular to a calculation method and system for impact dynamics of a freight cableway load passing through a saddle. Background technique [0002] The overhead freight cableway has the advantages of easy selection of routes, excellent transportation performance, strong applicability, high work efficiency, and little influence from weather and external environment. It is widely used in forestry, construction, mine hydrology, tourism and other industries. The advantages of cableway, such as economy, energy saving, high efficiency and slight impact on the environment, are beyond the reach of other means of transportation. [0003] Freight ropeways mainly include working cables, including bearing cables and traction cables, brackets, running trolleys, tractors and other components. The load-bearing cable in the working cable is...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 秦剑乔良江明万建成夏拥军刘晨
Owner CHINA ELECTRIC POWER RES INST
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