WO2022047774A1 - Pénétrateur d'essai et capteur - Google Patents

Pénétrateur d'essai et capteur Download PDF

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Publication number
WO2022047774A1
WO2022047774A1 PCT/CN2020/113721 CN2020113721W WO2022047774A1 WO 2022047774 A1 WO2022047774 A1 WO 2022047774A1 CN 2020113721 W CN2020113721 W CN 2020113721W WO 2022047774 A1 WO2022047774 A1 WO 2022047774A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
force transmission
indenter
test
sleeve
Prior art date
Application number
PCT/CN2020/113721
Other languages
English (en)
Chinese (zh)
Inventor
孙昊辰
高辉
Original Assignee
全立传感科技(南京)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 全立传感科技(南京)有限公司 filed Critical 全立传感科技(南京)有限公司
Publication of WO2022047774A1 publication Critical patent/WO2022047774A1/fr

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    • 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
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0071—Creep
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0676—Force, weight, load, energy, speed or acceleration

Definitions

  • the purpose of the present invention is to provide a test indenter, which has accurate force transmission and can meet sensor detection requirements or work requirements at any position.
  • the force-transmitting portion of the indenter body has a first force-transmitting surface in contact with the force-applying body and a second force-transmitting surface in contact with the sensor.
  • first force transmission surface and the second force transmission surface are both spherical surfaces.
  • the force transmission part of the indenter body is a sphere, and the spherical radius of the first force transmission surface and the second force transmission surface are the same.
  • the spherical radii of the first force-transmitting surface and the second force-transmitting surface are different.
  • the force transmission portion of the indenter body also has a cylindrical surface for connecting the first force transmission surface and the second force transmission surface.
  • the test indenter of the present invention When testing the test indenter of the present invention, firstly screw the connection sleeve 2 of the test indenter into the connection hole 401 of the sensor 4, and then place the sensor equipped with the test indenter at the position for force measurement, so that the sensor The other end is fixed, the first force transmission surface 103 of the indenter body receives the test force, and the second force transmission surface 104 transmits the test force to the sensor.
  • the position of the force measurement can be in the vertical direction, that is, when the sensor equipped with the test indenter is placed vertically to test the horizontal force, the test indenter will not be separated from the sensor due to the action of gravity, so it can meet the test requirements of any position.
  • the relationship between the load and the error obtained from the first group of tests is shown in Figure 5.
  • the horizontal axis is the load, and the vertical axis is the error.
  • the hysteresis is -0.0590%FS; it can be seen from Figure 5 that most of the error bars fall outside the standard line of the allowable error range.
  • the stepped line in Figure 5 is the standard line of the allowable error range, and the maximum error is close to 0.1%.
  • the first The group sensor error is very large.
  • the heat treatment of high-strength alloy steel sensors is more stringent than that of aluminum alloy sensors, it has higher requirements for heat treatment control and equipment, so in general, the accuracy of aluminum alloy sensors is much better than that of high-strength alloy steel sensors; but the third The error of the group is greater than that of the second group, so it is verified that the test indenter of the present invention can greatly improve the accuracy of the sensor.
  • the connecting column of the indenter body is passed through the connection sleeve, the connection key is used to connect the indenter body and the connection sleeve, and then the test indenter is inserted into the connection hole of the sensor, which can solve the problem of the sensor testing process in the prior art.
  • the test steel ball in a non-horizontal position cannot accurately transmit the test force, or even the force may not be transmitted at all.
  • the force transmission is accurate and can meet the detection of sensors at any position; in addition, the test indenter of the present invention is easy to assemble and has a wide range of applications. .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

L'invention concerne un pénétrateur d'essai, comprenant un corps de pénétrateur (1), un manchon de liaison (2) servant à relier le corps de pénétrateur (1) et un capteur (4), et une clé de liaison (3) servant à fixer le manchon de liaison (2) et le corps de pénétrateur (1). Le corps de pénétrateur (1) comprend une partie de transmission de force (101) destinée à transmettre une pression d'essai et une colonne de raccordement (102) pénétrant le manchon de liaison (2), un logement de clé (201) servant à la mise en place de la clé de liaison (3) est formé dans une partie d'extrémité du manchon de liaison (2), la colonne de raccordement (102) du corps de pénétrateur (1) pénètre le manchon de liaison (2), et une surface d'extrémité de la colonne de raccordement (102) est reliée à demeure à la clé de liaison (3) située dans le logement de clé (201). La colonne de raccordement (102) du corps de pénétrateur (1) pénètre le manchon de liaison (2), le corps de pénétrateur (1) et le manchon de liaison (2) sont reliés à l'aide de la clé de liaison (3), puis le pénétrateur d'essai (1) est monté dans un trou de liaison (401) du capteur (4), ce qui permet de résoudre le problème de l'état de la technique selon lequel une bille d'acier d'essai à une position non horizontale ne peut pas transmettre de manière précise une force d'essai pendant un processus d'essai de capteur, d'obtenir une transmission de force précise, et permet de satisfaire les exigences de détection de capteur à n'importe quelle position.
PCT/CN2020/113721 2020-09-04 2020-09-07 Pénétrateur d'essai et capteur WO2022047774A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010921662.8 2020-09-04
CN202010921662.8A CN111965007B (zh) 2020-09-04 2020-09-04 测试压头及传感器

Publications (1)

Publication Number Publication Date
WO2022047774A1 true WO2022047774A1 (fr) 2022-03-10

Family

ID=73392101

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/113721 WO2022047774A1 (fr) 2020-09-04 2020-09-07 Pénétrateur d'essai et capteur

Country Status (2)

Country Link
CN (1) CN111965007B (fr)
WO (1) WO2022047774A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111927554B (zh) * 2020-08-07 2022-03-15 中铁隧道局集团有限公司 一种用于精确测试隧道围岩接触压力的高度可调压力检测装置及安装检测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20010467U1 (de) * 2000-06-10 2000-09-21 Inst Za Kovinske Materiale In Meßvorrichtung zur Ermittlung der Durchbiegung an Biegeproben
CN101793579A (zh) * 2010-02-08 2010-08-04 东南大学 微型压力传感器的标定装置
CN201569539U (zh) * 2009-11-30 2010-09-01 中国直升机设计研究所 一种测力传感器校准夹具
CN102288363A (zh) * 2011-06-24 2011-12-21 常州市常欣电子衡器有限公司 用于起重量限制器测力传感器的标定装置
CN204807275U (zh) * 2015-06-29 2015-11-25 西安航天动力测控技术研究所 一种微型应力传感器校准检定夹具
CN212410258U (zh) * 2020-09-04 2021-01-26 全立传感科技(南京)有限公司 测试压头及传感器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5811686A (en) * 1994-09-13 1998-09-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Test fixture for determination of energy absorbing capabilities of composite materials
CN109540077B (zh) * 2019-01-24 2024-03-08 中国大唐集团科学技术研究院有限公司华中电力试验研究院 旋转机械转轴角度标定装置及转轴配重位置标定方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20010467U1 (de) * 2000-06-10 2000-09-21 Inst Za Kovinske Materiale In Meßvorrichtung zur Ermittlung der Durchbiegung an Biegeproben
CN201569539U (zh) * 2009-11-30 2010-09-01 中国直升机设计研究所 一种测力传感器校准夹具
CN101793579A (zh) * 2010-02-08 2010-08-04 东南大学 微型压力传感器的标定装置
CN102288363A (zh) * 2011-06-24 2011-12-21 常州市常欣电子衡器有限公司 用于起重量限制器测力传感器的标定装置
CN204807275U (zh) * 2015-06-29 2015-11-25 西安航天动力测控技术研究所 一种微型应力传感器校准检定夹具
CN212410258U (zh) * 2020-09-04 2021-01-26 全立传感科技(南京)有限公司 测试压头及传感器

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Publication number Publication date
CN111965007A (zh) 2020-11-20
CN111965007B (zh) 2024-05-14

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