CN106197795A - Spring touch finger compressive strain amount and value of elastic measuring method and measurement frock - Google Patents
Spring touch finger compressive strain amount and value of elastic measuring method and measurement frock Download PDFInfo
- Publication number
- CN106197795A CN106197795A CN201610491454.2A CN201610491454A CN106197795A CN 106197795 A CN106197795 A CN 106197795A CN 201610491454 A CN201610491454 A CN 201610491454A CN 106197795 A CN106197795 A CN 106197795A
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- value
- touch finger
- spring touch
- elastic
- compressive strain
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of spring touch finger compressive strain amount and value of elastic measuring method and measurement frock, first tested spring touch finger is arranged in the installation groove offered in rotating shaft by the method, the shape and structure of installation groove is same as the shape and structure of the positioning ring groove of the touch base corresponding with tested spring touch finger, then by axis of rotation mount support, finally support is placed on the work platforms of pressure-measuring device, manipulation pressure-measuring device makes measurement head move towards the direction of the outer diameter and arc surface being perpendicular to tested spring touch finger, obtains value of elastic and the compressive strain value of diverse location.The spring touch finger compressive strain amount of the present invention is the most effective with value of elastic measuring method, compensate for the blank of spring touch finger compressive strain amount and value of elastic measurement technology, measured data are analyzed, find the relation of compressive strain amount and value of elastic, for research rational size assembly relation and offer technical support of spring touch finger life-span between contact, spring touch finger, touch base.
Description
Technical field
The present invention relates to a kind of spring touch finger compressive strain amount and value of elastic measuring method and measurement frock.
Background technology
Spring touch finger is elastic electrical connecting element important on high-voltage switch gear product, and it is generally by line footpath φ 0.5mm-φ
The copper wire coiling of 2mm forms, and is applied to its less radial forces and just can bring it about elastic deformation.Spring touch finger such as Fig. 1
Shown in Fig. 2, it is to be welded, by helical spring, the annular ring formed from beginning to end, and cross section is oval.Fig. 3 is spring touch finger buckling
Front assembling schematic diagram, touch base 2 ' offers positioning ring groove, and spring touch finger 1 is inlaid in positioning ring groove 2 ' 1, spring touch finger 1
Interior diameter and arc surface part protrude from the notch of positioning ring groove 2 ' 1, during combined floodgate, contact 3 ' is under external force towards arrow institute in figure
The direction motion of instruction is to insert in the jack 2 ' 2 on touch base 2 ', it is achieved the grafting with touch base 2 coordinates；Fig. 4 is spring touch finger pressure
Assembling schematic diagram after change, owing to the outside dimension of contact 3 ' is more than the internal diameter size of spring touch finger 1, contact 3 ' is inserted with socket 2 '
Spring touch finger 1 can be forced during connecing to produce certain compressive strain amount, and then make spring touch finger produce certain radical elasticity,
Under the effect of radical elasticity, the interior diameter and arc surface of spring touch finger 1 is held tightly on the outer circumference surface of contact 3 ', outside spring touch finger 1
Diameter and arc surface top is pressed on the cell wall of positioning ring groove 2 ' 1 of touch base 2, and then realizes being conductively connected of contact 3 ' and touch base 2 '.
Two important indicators of spring touch finger performance evaluation: one is negotiability, two is service life, wherein spring touch finger
Negotiability can obtain concrete number by temperature rise test, kinetic energy stability test and the conductivity of metering spring fingertip
Value；The service life of spring touch finger and contact, spring touch finger, touch base the assembly relation of three relevant, namely spring touch finger
Service life is relevant with the size of its compressive strain amount and value of elastic, and reasonable, the compressive strain amount of science and value of elastic can extend spring
The service life of fingertip, but the method not having compressive strain amount and the value of elastic that can measure spring touch finger in prior art, thus
Cannot ensure the service life of spring touch finger, have a strong impact on the quality of high-voltage switch gear.
Summary of the invention
For the deficiency of existing measurement technology, it is an object of the invention to provide one and can measure spring touch finger compressive strain
Amount and the measuring method of value of elastic；The present invention also aims to provide a kind of measurement work implementing above-mentioned measuring method simultaneously
Dress.
For achieving the above object, spring touch finger compressive strain amount of the present invention uses following technical side with value of elastic measuring method
Case, it comprises the following steps:
(1) being arranged on by spring touch finger in measurement frock, described measurement frock includes that two ends rotate the rotating shaft being assemblied on support,
The mid portion of rotating shaft offers the installation groove for installing tested spring touch finger, the shape and structure of described installation groove and quilt
The shape and structure of the positioning ring groove of survey touch base corresponding to spring touch finger is identical；
(2) being placed on the work platforms of pressure-measuring device by support, manipulation pressure-measuring device makes it measure head towards being perpendicular to
The direction of the outer diameter and arc surface of tested spring touch finger is moved, and control to measure head move to just with the external diameter arc of tested spring touch finger
The position of face contact, the value of elastic that when recording this position, pressure-measuring instrument shows and compressive strain value；
(3) manipulation pressure-measuring instrument makes it measure the head continuation direction shifting towards the outer diameter and arc surface being perpendicular to tested spring touch finger
Dynamic, record and measure value of elastic and the compressive strain value that pressure-measuring device when head moves to diverse location shows；
(4) rotating shaft, measures value of elastic and the compressive strain amount of tested spring touch finger diverse location according to step (1) to (3)
Value；
(5) total data of the value of elastic measured Yu compressive strain value is carried out statistical analysis.
Described rotating shaft includes big footpath section and path section, and the two ends of rotating shaft are path section, and the mid portion of rotating shaft is big footpath section,
Described installation groove is offered in the section of big footpath.
Described support includes the bracer that spacing parallel arranging is arranged, the end face of bracer one end offers the two ends with rotating shaft
The rotation groove being rotatably assorted.
Spring touch finger compressive strain amount of the present invention and value of elastic are measured frock and be the technical scheme is that described spring touch finger pressure
Deflection and value of elastic are measured frock and are included that two ends rotate the rotating shaft being assemblied on support, the mid portion of rotating shaft offer for
The installation groove of tested spring touch finger, the shape and structure of described installation groove and the touch base corresponding to tested spring touch finger are installed
The shape and structure of positioning ring groove is identical.
Described rotating shaft includes big footpath section and path section, and the two ends of rotating shaft are path section, and the mid portion of rotating shaft is big footpath section,
Described installation groove is offered in the section of big footpath.
Described support includes the bracer that spacing parallel arranging is arranged, the end face of bracer one end offers the two ends with rotating shaft
The rotation groove being rotatably assorted.
The invention has the beneficial effects as follows: the spring touch finger compressive strain amount of the present invention and value of elastic measuring method are simply effective,
Compensate for the blank of spring touch finger compressive strain amount and value of elastic measurement technology；Utilize the spring touch finger compressive strain amount of the present invention simultaneously
With value of elastic measuring method, it is also possible to find the variation relation between spring touch finger compressive strain amount and value of elastic, for research contact,
Between spring touch finger, touch base, rational size assembly relation and spring touch finger life-span provide technical support.
Accompanying drawing explanation
Fig. 1 is the structural representation of spring touch finger；
Fig. 2 is the sectional view of spring touch finger；
Fig. 3 is the assembling schematic diagram before spring touch finger buckling；
Fig. 4 is the assembling schematic diagram after spring touch finger buckling；
Fig. 5 is the schematic diagram of spring touch finger spring fingertip compressive strain amount and value of elastic measuring method specific embodiment；
Fig. 6 is the structural representation of Fig. 5 shaft；
Fig. 7 is the structural representation of a bracer in Fig. 6；
Fig. 8 is the top view of Fig. 7.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The spring touch finger compressive strain amount of the present invention and the specific embodiment of value of elastic measuring method, as it is shown in figure 5, include with
Lower step:
(1) being arranged on by spring touch finger in measurement frock, described measurement frock includes that two ends rotate the rotating shaft being assemblied on support
2, the mid portion of rotating shaft 2 offers the installation groove 211 for installing tested spring touch finger 1, the shape of described installation groove 211
Corresponding to shape structure and tested spring touch finger 1, the shape and structure of the positioning ring groove 2 ' 1 of touch base 2 ' is identical；
(2) being placed on by support on the work platforms 5 of pressure-measuring device, manipulation pressure-measuring device makes it measure 4 towards vertically
Move in the direction of the outer diameter and arc surface of tested spring touch finger 1, i.e. measure head and move towards the direction shown in the arrow in Fig. 5, and
Control to measure 4 and move to the position that just outer diameter and arc surface with tested spring touch finger 1 contact, pressure survey when recording this position
The value of elastic that measuring appratus shows and compressive strain value；
(3) manipulation pressure-measuring instrument makes it measure the head continuation direction shifting towards the outer diameter and arc surface being perpendicular to tested spring touch finger
Dynamic, record and measure value of elastic and the compressive strain value that pressure-measuring device when head moves to diverse location shows；
(4) rotating shaft 2, measure value of elastic during tested spring touch finger 1 diverse location and buckling according to step (1) to (3)
Shape amount；
(5) total data of the value of elastic measured Yu compressive strain value is carried out statistical analysis.
Above-mentioned pressure-measuring device uses wire spring pressure tester of the prior art, and wire spring pressure tester is
Measuring compression spring value of elastic and the special equipment of compressive strain value, it includes top board, base plate and display screen, and base plate constitutes
The workbench 5 of wire spring pressure tester, top board constitutes the measurement 4 of wire spring pressure tester.
As shown in Figure 8, above-mentioned support includes the bracer 3 that two block gaps are arranged in juxtaposition, and the upper end of a bracer 3 offers out
Mouth rotation groove 31 upward, the two ends of rotating shaft 2 are rotatably assorted with rotating groove 31.As shown in Figure 6, above-mentioned rotating shaft 2 includes greatly
Footpath section 21 and path section 22, the two ends of rotating shaft 2 are path section 22, and the mid portion of rotating shaft 2 is big footpath section 21, and big footpath section 21 is opened
If installing groove 211, the formation of step surface that big footpath section 21 is constituted with path section 22 with prop up what bracer 3 block coordinated stopping surface,
Effectively prevent rotating shaft during measuring to move axially and depart from rotation groove.
In other embodiments, described wire spring pressure tester can be replaced with other pressure-measuring device；Described pressure
Power measures the alternatively spherical structure of head；Described rotating shaft can be the axle of isometrical chi；On described bracer, through hole can also be set
Or blind hole, the two ends of rotating shaft are installed in through hole or blind hole and realize rotating；Shown support configurations is unrestricted, example
As support can include substrate, on substrate, two pieces of gripper shoes are fixed at interval, and rotation groove is offered in one end of gripper shoe.
Spring touch finger compressive strain amount of the present invention measures the specific embodiment of frock with value of elastic, and described measurement frock is with upper
State finger spring fingertip compressive strain amount identical with the structure function of the measurement frock described in the specific embodiment of value of elastic measuring method,
For avoiding repeating, here is omitted.
Claims (6)
1. spring touch finger compressive strain amount and value of elastic measuring method, it is characterised in that: comprise the following steps,
(1) being arranged on by spring touch finger in measurement frock, described measurement frock includes that two ends rotate the rotating shaft being assemblied on support,
The mid portion of rotating shaft offers the installation groove for installing tested spring touch finger, the shape and structure of described installation groove and quilt
The shape and structure of the positioning ring groove of survey touch base corresponding to spring touch finger is identical；
(2) being placed on the work platforms of pressure-measuring device by support, manipulation pressure-measuring device makes it measure head towards being perpendicular to
The direction of the outer diameter and arc surface of tested spring touch finger is moved, and control to measure head move to just with the external diameter arc of tested spring touch finger
The position of face contact, the value of elastic that when recording this position, pressure-measuring instrument shows and compressive strain value；
(3) manipulation pressure-measuring instrument makes it measure the head continuation direction shifting towards the outer diameter and arc surface being perpendicular to tested spring touch finger
Dynamic, record and measure value of elastic and the compressive strain value that pressure-measuring device when head moves to diverse location shows；
(4) rotating shaft, measures value of elastic and the compressive strain amount of tested spring touch finger diverse location according to step (1) to (3)
Value；
(5) total data of the value of elastic measured Yu compressive strain value is carried out statistical analysis.
Spring touch finger compressive strain amount the most according to claim 1 and value of elastic measuring method, it is characterised in that: described rotating shaft
Including big footpath section and path section, the two ends of rotating shaft are path section, and the mid portion of rotating shaft is big footpath section, big footpath section are offered described
Groove is installed.
Spring touch finger compressive strain amount the most according to claim 1 and value of elastic measuring method, it is characterised in that: described support
The bracer arranged including spacing parallel arranging, the end face of bracer one end offers the rotation that the two ends with rotating shaft are rotatably assorted recessed
Groove.
4. spring touch finger compressive strain amount measures frock with value of elastic, it is characterised in that: include that two ends rotate and be assemblied on support
Rotating shaft, the mid portion of rotating shaft offers the installation groove for installing tested spring touch finger, the shape knot of described installation groove
Structure is identical with the shape and structure of the positioning ring groove of the touch base corresponding to tested spring touch finger.
Spring touch finger compressive strain amount the most according to claim 4 measures frock with value of elastic, it is characterised in that: described rotating shaft
Including big footpath section and path section, the two ends of rotating shaft are path section, and the mid portion of rotating shaft is big footpath section, big footpath section are offered described
Groove is installed.
Spring touch finger compressive strain amount the most according to claim 5 measures frock with value of elastic, it is characterised in that: described support
The bracer arranged including spacing parallel arranging, the end face of bracer one end offers the rotation that the two ends with rotating shaft are rotatably assorted recessed
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491454.2A CN106197795B (en) | 2016-06-29 | 2016-06-29 | Spring touch finger compressive strain amount and elastic force value measurement method and measurement tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491454.2A CN106197795B (en) | 2016-06-29 | 2016-06-29 | Spring touch finger compressive strain amount and elastic force value measurement method and measurement tooling |
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| Publication Number | Publication Date |
|---|---|
| CN106197795A true CN106197795A (en) | 2016-12-07 |
| CN106197795B CN106197795B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610491454.2A Active CN106197795B (en) | 2016-06-29 | 2016-06-29 | Spring touch finger compressive strain amount and elastic force value measurement method and measurement tooling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649883A (en) * | 2020-05-25 | 2020-09-11 | 河北金力新能源科技股份有限公司 | Evaluation method of circular knife spring of splitting machine and circular knife spring elasticity testing device used in evaluation method |
| CN113465804A (en) * | 2021-06-24 | 2021-10-01 | 珠海市集森电器有限公司 | Plum-blossom-shaped contact finger clamping force detection method and device |
Citations (6)
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|---|---|---|---|---|
| DE2333660A1 (en) * | 1973-07-02 | 1975-01-23 | Tenge Hans Werner | Potentiometer slider with radial spring contact fingers - has fingers completely encircling resistance cylinder and driven by spindle |
| CN1404084A (en) * | 2001-09-05 | 2003-03-19 | 中国科学院金属研究所 | Spring touch finger for high-voltage switch and its manufacture |
| CN101571435A (en) * | 2009-06-01 | 2009-11-04 | 厦门耐德电气有限公司 | Test method of internal friction of spring contact fingers and test tools |
| CN102062568A (en) * | 2010-12-08 | 2011-05-18 | 浙江华电器材检测研究所 | Height measuring device of spring washer elasticity test |
| CN103063417A (en) * | 2012-09-25 | 2013-04-24 | 王亭岭 | Spring performance automatic testing device |
| CN103308219A (en) * | 2013-04-28 | 2013-09-18 | 河南中光学集团有限公司 | Electric appliance reed elasticity value measuring device and electric appliance reed elasticity value measuring method |
-
2016
- 2016-06-29 CN CN201610491454.2A patent/CN106197795B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2333660A1 (en) * | 1973-07-02 | 1975-01-23 | Tenge Hans Werner | Potentiometer slider with radial spring contact fingers - has fingers completely encircling resistance cylinder and driven by spindle |
| CN1404084A (en) * | 2001-09-05 | 2003-03-19 | 中国科学院金属研究所 | Spring touch finger for high-voltage switch and its manufacture |
| CN101571435A (en) * | 2009-06-01 | 2009-11-04 | 厦门耐德电气有限公司 | Test method of internal friction of spring contact fingers and test tools |
| CN102062568A (en) * | 2010-12-08 | 2011-05-18 | 浙江华电器材检测研究所 | Height measuring device of spring washer elasticity test |
| CN103063417A (en) * | 2012-09-25 | 2013-04-24 | 王亭岭 | Spring performance automatic testing device |
| CN103308219A (en) * | 2013-04-28 | 2013-09-18 | 河南中光学集团有限公司 | Electric appliance reed elasticity value measuring device and electric appliance reed elasticity value measuring method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649883A (en) * | 2020-05-25 | 2020-09-11 | 河北金力新能源科技股份有限公司 | Evaluation method of circular knife spring of splitting machine and circular knife spring elasticity testing device used in evaluation method |
| CN111649883B (en) * | 2020-05-25 | 2022-04-05 | 河北金力新能源科技股份有限公司 | Evaluation method of circular knife spring of splitting machine and circular knife spring elasticity testing device used in evaluation method |
| CN113465804A (en) * | 2021-06-24 | 2021-10-01 | 珠海市集森电器有限公司 | Plum-blossom-shaped contact finger clamping force detection method and device |
| CN113465804B (en) * | 2021-06-24 | 2023-09-12 | 珠海市集森电器有限公司 | Quincuncial contact finger clamping force detection method and device |
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| Publication number | Publication date |
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| CN106197795B (en) | 2019-03-29 |
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