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Variable-force spring support hanger series parameter and selection method thereof

A technology of variable force springs and supports and hangers, which is applied in the direction of pipe supports, pipes/pipe joints/fittings, geometric CAD, etc., and can solve problems such as difficulty in direct table look-up selection, large scale deviation, uneconomical and reasonable specifications, etc. , to achieve the effects of reduced calculation time for pipeline stress analysis, simple selection, and economical specifications

Pending Publication Date: 2020-01-17
CHINA SINOGY ELECTRIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the standard size series of springs, the maximum load series of traditional cylindrical helical spring variable force supports and hangers at home and abroad are mostly close to the derived series R8 of the priority number system, but the actual level ratio deviation is still large, resulting in uneconomical selection of specifications , reasonable, and bring difficulty to direct table look-up selection

Method used

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  • Variable-force spring support hanger series parameter and selection method thereof
  • Variable-force spring support hanger series parameter and selection method thereof
  • Variable-force spring support hanger series parameter and selection method thereof

Examples

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Effect test

Embodiment 1

[0061] Embodiment 1: The present invention provides a technical solution: a series of parameters of a variable force spring hanger and a selection method thereof, including the following specific steps:

[0062] S1: Determine the common ratio and range of the priority number series of the main parameters of the variable force spring support hanger, select the appropriate spring specification according to the determined main parameter series of the variable force spring support hanger, and make slight adjustments to the relative secondary dimensions, That is, the selected spring support and hanger parameter series have the same common ratio, contain the decimal multiples and decimal fractions of any value, and include integer multiples of 40 in the priority sequence of the load value under the maximum deformation;

[0063] S2: Compile a complete characteristic table of the variable force spring support and hanger series, and establish a one-to-one correspondence with the total d...

Embodiment 2

[0201]Embodiment 2: In order to select the variable-force spring support and hanger more conveniently and obtain more accurate data, the present invention has compiled "Variable-force Spring Support and Hanger Selection Program", and its flow chart is shown in the attached figure 1 .

[0202] Specifically, the database of the variable force spring support and hanger selection program has a variety of main parameters of the commonly used variable force spring support and hanger series for selection.

[0203] First, after entering the project code, pipeline code and supporting point number, enter the program code T of the selected variable force spring series y , allowable load variation coefficient [f v ], hoisting method Z, working load of the supporting point P J , Vertical thermal displacement value of the supporting point|Δ yt | and thermal displacement direction O.

[0204] Then, the preprocessing of the selection of the variable force spring support and hanger is carr...

Embodiment 3

[0215] Embodiment 3: R8 priority number derivative series improved for the existing domestic and foreign cylindrical coil spring variable force support and hanger series.

[0216] as attached figure 2 , attached image 3 As shown (due to limited space, the "R8 (90-215) 36-75 Series Spring Selection Table" has to be divided into attached figure 2 And attached image 3 Two tables, that is, the third column of the spring selection table is divided into spring numbers 01-14 and 15-26, which are listed in the appendix respectively. figure 2 And attached image 3 In the two tables); specifically, the load series of a cylindrical helical spring variable force support hanger under the maximum deformation adopts the series derived from R8 priority number, and the corresponding maximum load level ratio q R =1.333521432; the maximum working load value of specification number 01 is 177.8N, and the corresponding priority sequence N p is 90; the maximum specification number is 26, i...

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Abstract

The invention discloses a variable force spring support hanger series parameter and a selection method thereof. The selection method comprises the following steps: determining a common ratio and a range of a priority number series of main parameters of a variable force spring support hanger; according to the determined main parameter series of the variable-force spring support and hanger, compiling a complete characteristic table of the variable-force spring support and hanger series, and searching for the complete specification of the required variable-force spring support and hanger from thevariable-force spring support and hanger series selection table according to the working load, the thermal displacement and the direction of the required variable-force spring support and hanger. Theinvention provides an intuitive, simple and clear specification selection table for a variable-force spring support and hanger. The required economic and reasonable complete specification of the variable-force spring support hanger can be directly and quickly found from the specification selection table as long as the working load, the thermal displacement and the direction of the variable-forcespring support hanger are known, so that the specification selected by the variable-force spring support hanger is more economic and reasonable, and the selection of computer software is also very simple.

Description

technical field [0001] The invention relates to the field of pipelines, in particular to a series of parameters of a variable force spring hanger and a selection method thereof. Background technique [0002] As we all know, when determining the parameters or parameter series of a product, the priority number and the priority number system should be selected. However, for the series of parameters, in order to directly look up the table and select the specification of the variable force spring hanger, it is more desirable to use the theoretical value or calculated value of the geometric sequence. However, limited by the standard size series of springs, the maximum load series of traditional cylindrical helical spring variable force supports and hangers at home and abroad are mostly close to the derived series R8 of the priority number system, but the actual level ratio deviation is still large, resulting in uneconomical selection of specifications , Reasonable, it is difficul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/17F16L3/16
CPCF16L3/16
Inventor 林其略李仲雄金晓磊王煜任大成常松孙凯刘佳
Owner CHINA SINOGY ELECTRIC ENG
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