WO2021109657A1 - 一种用于判定弹簧性能影响因素关系的试验方法 - Google Patents

一种用于判定弹簧性能影响因素关系的试验方法 Download PDF

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Publication number
WO2021109657A1
WO2021109657A1 PCT/CN2020/113590 CN2020113590W WO2021109657A1 WO 2021109657 A1 WO2021109657 A1 WO 2021109657A1 CN 2020113590 W CN2020113590 W CN 2020113590W WO 2021109657 A1 WO2021109657 A1 WO 2021109657A1
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Prior art keywords
spring
factors
height
test method
relationship
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PCT/CN2020/113590
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English (en)
French (fr)
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马永涛
宫德海
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中车贵阳车辆有限公司
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Publication of WO2021109657A1 publication Critical patent/WO2021109657A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

Definitions

  • the invention relates to a test method used to determine the relationship between spring performance influencing factors, and belongs to the technical field of spring testing.
  • the test of the influence of the size and height of the spring on the height of the spring under a given load is usually by measuring the relevant parameters of multiple springs, summarizing the results and comprehensively analyzing.
  • the biggest drawback of this method is that the height under a given load is affected by many factors (such as gap size, stiffness, and height changes).
  • the influence of other factors cannot be excluded in the test.
  • only other factors or other factors can be assumed. The conditions remain the same, but the above factors are also different (that is, changing at the same time) for different springs in the actual test.
  • the purpose of the present invention is to provide a test method for judging the relationship between the influence factors of spring performance with simple operation, reliable test results and improved test efficiency, so as to overcome the deficiencies in the prior art.
  • the technical scheme of the present invention a test method for determining the relationship between the influencing factors of the spring performance.
  • pads of different thicknesses are pasted on the outer surface of the support ring of the same spring wedge structure to increase the height of the spring; similarly, in the same piece
  • the inner surface of the wedge-shaped support ring of the spring is pasted with spacers of different thicknesses to reduce the gap of the spring, so that the height or gap of the spring can be adjusted while the other factors or conditions of the spring remain unchanged, so as to achieve the same spring Realize the test of the relationship between the performance influencing factors.
  • the thickness of the gasket is 1 to 5 mm.
  • the advantage of the present invention is that the operation of the present invention to only change the size or height of the spring gap by pasting or filling is extremely simple, and it can ensure that other unadjusted factors are consistent with the original ones, so as to achieve the same
  • the purpose of changing only one of several factors on the spring is to solve the problem that the gap between the two ends of the spring, the spring stiffness and the spring height change can only change one of the three factors, so that it can be matched with the given load.
  • the lower heights form a one-to-one correspondence to improve the accuracy of the test results.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • Embodiment of the present invention referring to Fig. 1, a test method of the present invention for judging the relationship between the influencing factors of spring performance.
  • pads of different thicknesses are pasted on the outer surface 1 of the wedge-shaped structure support ring of the same spring to increase the spring
  • paste spacers of different thicknesses on the inner surface 2 of the wedge-shaped support ring of the same spring to reduce the gap of the spring, so that you can adjust the height or height of the spring while keeping the other factors or conditions of the spring unchanged. Clearance, so as to realize the test that affects the spring height change under a given load.
  • the thickness of the gasket is 1 to 5 mm.
  • the present invention is extremely simple to change the size or height of the gap by pasting or filling, and can ensure that other unadjusted factors are consistent with the original ones, so that only a few factors can be changed on the same spring.
  • the purpose of one of the factors is to solve the problem that only one of the three factors of the gap between the two ends of the spring, the spring stiffness and the spring height can not be changed, so that it can form a one-to-one correspondence with the height under a given load, and improve Accuracy of test results.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

本发明公开了一种用于判定弹簧性能影响因素关系的试验方法，首先在同一件弹簧的楔形结构支承圈外侧面上粘贴不同厚度的垫片来增加弹簧的高度；同样，在同一件弹簧的楔形结构支承圈内侧面上粘贴不同厚度的垫片来减小弹簧的间隙，这样便可保持弹簧其它因素或条件不变的情况下来调整弹簧的高度或间隙，从而实现影响给定载荷下弹簧高度变化的试验。本发明通过粘贴或填充的方式只改变间隙大小或高度的操作极其简便，能够保证其它不调整的因素与原来的一致，从而达到在同一件弹簧上只改变几个因素中的其中一个因素的目的，提高试验结果的准确性。

Description

一种用于判定弹簧性能影响因素关系的试验方法 技术领域
本发明涉及一种用于判定弹簧性能影响因素关系的试验方法，属于弹簧试验技术领域。
背景技术
弹簧间隙大小与高度增加对弹簧在给定载荷下高度影响的试验通常是通过测量多件弹簧的相关参数后，汇总结果并综合分析。这种方法最大的弊端是：给定载荷下的高度受很多因素(比如：间隙大小、刚度大小、高度变化)的影响，试验中不能排除其它因素的影响，实际分析中只能假设其它因素或条件不变，但实际试验中不同的弹簧以上几个因素也是存在差异(也就是同时在变化)。现有技术中通过重新生产试样件来改变其中的一个因素，但是很难保证其它因素与原来的一致；也有通过重新生产试样件调整间隙或高度来达到改变其中的一个因素，但是这种操作非常的复杂，而且很难保证其它不调整的因素与原来的一致。所以，假设的其它因素或条件不变几乎不可做到，从而导致试验结果不够准确。
发明内容
本发明的目的在于提供一种操作简单、试验结果可靠和提高试验效率的用于判定弹簧性能影响因素关系的试验方法，以克服现有技术中的不足。
本发明的技术方案：一种用于判定弹簧性能影响因素关系的试验方法，首先在同一件弹簧发楔形结构支承圈外侧面上粘贴不同厚度的垫片来增加弹簧的高度；同样，在同一件弹簧的楔形结构支承圈内侧面上粘贴不同厚度的垫片来减小弹簧的间隙，这样便可保持弹簧其它因素或条件不变的情况下来调整弹簧的高度或间隙，从而实现在同一件弹簧上实现性能影响因素关系的试验。
进一步，所述垫片的厚度为1～5mm。
由于采用了上述技术方案，本发明的优点在于：本发明通过粘贴或填充的方式只改变弹簧间隙大小或高度的操作极其简便，能够保证其它不调整的因素与原来的一致，从而达到在同一件弹簧上只改变几个因素中的其中一个因素的目的，解决了不能实现弹簧两端间隙大小、弹簧刚度大小和弹簧高度变化这三个因素只变化其中之一的问题，让其与给定载荷下高度形成一一对应关系，提高试验结果的准确性。
附图说明
图1为本发明的结构示意图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面结合附图和实施例对本发明作进一步的详细说明。
本发明的实施例：参见图1，本发明的一种用于判定弹簧性能影响因素关系的试验 方法，首先在同一件弹簧的楔形结构支承圈外侧面1上粘贴不同厚度的垫片来增加弹簧的高度；同样，在同一件弹簧的楔形结构支承圈内侧面2上粘贴不同厚度的垫片来减小弹簧的间隙，这样便可保持弹簧其它因素或条件不变的情况下来调整弹簧的高度或间隙，从而实现影响给定载荷下弹簧高度变化的试验。所述垫片的厚度为1～5mm。
综上所述，本发明通过粘贴或填充的方式只改变间隙大小或高度的操作极其简便，能够保证其它不调整的因素与原来的一致，从而达到在同一件弹簧上只改变几个因素中的其中一个因素的目的，解决了不能实现弹簧两端间隙大小、弹簧刚度大小和弹簧高度变化这三个因素只变化其中之一的问题，让其与给定载荷下高度形成一一对应关系，提高试验结果的准确性。

Claims (2)

  1. 一种用于判定弹簧性能影响因素关系的试验方法，其特征在于：在同一件弹簧的楔形结构支承圈外侧面(1)上粘贴不同厚度的垫片来增加弹簧的高度；同样，在同一件弹簧的楔形结构支承圈内侧面(2)上粘贴不同厚度的垫片来减小弹簧的间隙，这样便可保持弹簧其它因素或条件不变的情况下来调整弹簧的高度或间隙，从而实现在同一件弹簧上实现性能影响因素关系的试验。
  2. 根据权利要求1所述的一种用于判定弹簧性能影响因素关系的试验方法，其特征在于：所述垫片的厚度为1～5mm。
PCT/CN2020/113590 2019-12-03 2020-09-04 一种用于判定弹簧性能影响因素关系的试验方法 WO2021109657A1 (zh)

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