CN202057439U - Clamp force testing sensor - Google Patents
Clamp force testing sensor Download PDFInfo
- Publication number
- CN202057439U CN202057439U CN2011200404609U CN201120040460U CN202057439U CN 202057439 U CN202057439 U CN 202057439U CN 2011200404609 U CN2011200404609 U CN 2011200404609U CN 201120040460 U CN201120040460 U CN 201120040460U CN 202057439 U CN202057439 U CN 202057439U
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- China
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- clamping force
- circular hole
- force testing
- elastomer
- testing sensor
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model provides a clamp force testing sensor used for a universal testing machine or other clamping equipment, comprising an elastomer of the sensor, characterized in that the elastomer is a one-piece bar shaped structure; the upper and lower sides of the left and right ends of the elastomer are respectively moulded with small arc openings which are in cooperation with up and down contraposing contact positions of the testing machine and used for positioning; the left and right ends of the elastomer are provided with through circular holes parallel with the small arc openings; the central section of the elastomer is provided with a strain notch communicated with the left and right through circular holes; the upper and down parts of the strain notch are symmetrically provided with arc surfaces used for bearing clamp force; the inner of the through circular holes is plastered with strain gages as Wheatstone bridge circuit composition devices. The clamp force testing sensor possesses the advantages of convenient operation, high efficiency, reasonable structure, high precision, and can effectively solves the problems of orientation error and short verification time.
Description
Technical field
The utility model relates to a kind of sensor, relates in particular to a kind of clamping force testing sensor that is used for universal testing machine or other clamping kind equipments.
Background technology
The calibration method of universal testing machine or other clamping kind equipments is at first according to the power value of being examined and determine interval tension tester, choice criteria pulling force sample at present.Speed by the GB/T228-2002 standard code allows tension tester continue the standard tension sample is stretched, extensometer or foil gauge show the elongation of standard tension sample, according to Hooke's law, elongation is converted into value of thrust, again with the tension tester scale on the power value identical with the standard tension sample compare, come confirmed test machine technology state precision according to the difference of comparison value.Exist the time of check long in the verification of this testing machine or other clamping kind equipment power values, efficient is low, and the while is taken into account tension gage in strain and installs and exist azimuthal error.General conventional sensors project organization can't be installed and use, and can not solve checking time, efficient and azimuthal error problem.
Summary of the invention
Technical problem to be solved in the utility model be provide at the above-mentioned state of the art a kind of simple and compact for structure, cost is lower, detection is laborsaving, reading is quick, efficient is high, effectively solution party's bit error, the higher clamping force testing sensor that is used for universal testing machine or other clamping kind equipments of precision.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of clamping force testing sensor that is used for universal testing machine or other clamping kind equipments, the elastic body that comprises sensor, it is characterized in that: described elastic body is the integral type strip structure, the both sides up and down at two ends, the elastomeric left and right sides form the roundlet nock that is used to locate that matches with the contact position of contraposition up and down of testing machine respectively, and be provided with the perforation circular hole parallel at two ends, the elastomeric left and right sides with the roundlet nock, elastomeric middle part offer with about connect the strain notch that circular hole is connected, be symmetrically arranged with the arc surface that bears clamping force up and down at the strain notch, in connecting circular hole, post the foil gauge of forming device as the Hui Siting bridge diagram.
Preferably, the roundlet nock at two ends, the described elastomeric left and right sides is respectively laterally zygomorphic each two, described perforation circular hole is arranged on the center between the roundlet nock up and down, the xsect center of circle of described perforation circular hole and the axis of strain notch on same straight line, the described arc surface that bears clamping force be symmetrically distributed in the strain notch about.
As improvement, described foil gauge is four sheet resistance formula foil gauges, and symmetry and left and right symmetrically are arranged on the inner peripheral surface that connects circular hole up and down.
As improvement, the Hui Siting bridge diagram on the described elastic body is connected with the sensor cable signal wire by joint.
Further improve, a described elastomeric end end is shaped to the handle arrangement of undergauge, and joint is the water joint of plug-in structure, and an end of described joint links to each other with handle, and the other end and sensor cable plug.
At last, the outside surface of described handle is shaped to the knurling of being convenient to hold.
Compared with prior art, advantage of the present utility model is: elastomeric middle part is provided with a bar shaped strain notch, when concentrated holding capacity of elastic body strain notch arc surface up and down, power stream transmits along strain groove direction flexible transition, the sensor two ends are risen and are propped up effect of contraction admittedly, make sensor left and right sides balance, avoid azimuthal error to produce; The sensor stress point is on the several points on the close same circular arc or one section straight line, can prevent Material Testing Machine when the power value is proofreaded, the phenomenon of off normal can appear in loaded value, simultaneously can be on the arc structure of itself, processing is reserved transition and is connected test block installation threaded hole, can better be applied to different test fulcrum diameter structure test power airport and close; The handle arrangement that sensor end has the band annular knurl uses reliable, convenient.The utlity model has easy to operate, efficient is high, rational in infrastructure, precision advantages of higher.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cut-open view of Fig. 1 along the A-A line;
Fig. 3 is the vertical view of Fig. 1.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, a kind of clamping force testing sensor that is used for universal testing machine or other clamping kind equipments, it comprises the elastic body 1 of sensor, cable signal line 2, plug-in water joint 3, described elastic body is the integral type strip structure, the both sides up and down at two ends, the elastomeric left and right sides form with testing machine respectively or being used to of clamping that the upper and lower contact position of equipment matches located roundlet nock 11 with flexible transition, roundlet nock 11 is laterally zygomorphic each two, two ends, the left and right sides are symmetrical arranged, and two ends, the left and right sides at elastic body 1, center between the roundlet nock 11 is provided with the perforation circular hole 13 parallel with roundlet nock 11 up and down, post the four sheet resistance formula foil gauges 5 of forming device as the Hui Siting bridge diagram at perforation circular hole 13 inwalls, four sheet resistance formula foil gauges 5 be up and down and left-right symmetric distribute and be arranged on the inner peripheral surface of perforation circular hole 13, Hui Siting bridge diagram on the elastic body is connected with the sensor cable signal wire by joint, the middle part of elastic body 1 offer with about connect the bar shaped strain notch 12 that circular hole 13 is connected, be useful on the arc surface 14 that bears clamping force being symmetrical arranged up and down of strain notch, the xsect center of circle of described perforation circular hole 13 and the axis of strain notch 12 are on same straight line, one end end of described elastic body 1 is shaped to the handle arrangement 4 of undergauge, the outside surface of described handle 4 is shaped to the knurling of being convenient to hold, one end of described plug-in water joint 3 links to each other with handle, the other end and sensor cable signal wire 2 plug, and the voltage signal that the Hui Siting bridge diagram is exported feeds back to control instrument realization detection through cable signal line 2.
Principle of work is such: when test power machine test force value is checked, with two arc-shaped structures of sensor force value tests, be positioned on the contact position of contraposition up and down of test power machine, the handle arrangement 4 that the people holds sensor end band annular knurl is installed in the tram with sensor, tested clamping force is vertically acted on the arc surface 14, sensor is connected with control instrument by cable signal line 2.Press the speed of GB/T228-2002 standard code, testing machine loads the clamping force testing sensor, the constraint of sensor two fixed ends.On the basis based on elastic body 1 middle part strain notch 12, power stream transmits along strain groove direction flexible transition, when power stream is passed to two foil gauges 5 that connect in the circular hole 13, the Hui Siting bridge diagram of being made up of foil gauge 5 just has voltage signal output, the signal that the clamping force testing sensor collects feeds back to control instrument through cable signal line 2, realize that by control instrument and circuit control section testing machine steps up the online detection of power value, satisfy the process requirements of producing.
Claims (6)
1. clamping force testing sensor, the elastic body that comprises sensor, it is characterized in that: described elastic body is the integral type strip structure, the both sides up and down at two ends, the elastomeric left and right sides form the roundlet nock that is used to locate that matches with the contact position of contraposition up and down of testing machine respectively, and be provided with the perforation circular hole parallel at two ends, the elastomeric left and right sides with the roundlet nock, elastomeric middle part offer with about connect the strain notch that circular hole is connected, be useful on the arc surface that bears clamping force being symmetrical arranged up and down of strain notch, in connecting circular hole, post the foil gauge of forming device as the Hui Siting bridge diagram.
2. clamping force testing sensor according to claim 1, the roundlet nock that it is characterized in that two ends, the described elastomeric left and right sides is respectively laterally zygomorphic each two, described perforation circular hole is arranged on the center between the roundlet nock up and down, the xsect center of circle of described perforation circular hole and the axis of strain notch can make clamping force act on the strain notch easily up and down on the symmetrically arranged arc surface on same straight line.
3. clamping force testing sensor according to claim 1 is characterized in that described foil gauge is four sheet resistance formula foil gauges, and symmetry and left and right symmetrically are arranged on the inner peripheral surface that connects circular hole up and down.
4. clamping force testing sensor according to claim 1 is characterized in that the Hui Siting bridge diagram on the described elastic body is connected with the sensor cable signal wire by joint.
5. clamping force testing sensor according to claim 4, it is characterized in that a described elastomeric end end is shaped to the handle arrangement of undergauge, joint is the water joint of plug-in structure, and an end of described joint links to each other with handle, and the other end and sensor cable plug.
6. clamping force testing sensor according to claim 5 is characterized in that the outside surface of described handle is shaped to the knurling of being convenient to hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200404609U CN202057439U (en) | 2011-02-15 | 2011-02-15 | Clamp force testing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200404609U CN202057439U (en) | 2011-02-15 | 2011-02-15 | Clamp force testing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057439U true CN202057439U (en) | 2011-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200404609U Expired - Fee Related CN202057439U (en) | 2011-02-15 | 2011-02-15 | Clamp force testing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202057439U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539226A (en) * | 2012-01-09 | 2012-07-04 | 西北工业大学 | Experimental device for measuring mechanical parameter of viscous-elastic material by using shearing method |
| CN106353022A (en) * | 2016-09-12 | 2017-01-25 | 郑州宇通客车股份有限公司 | Passenger car door clamping force measurement system |
| CN110044282A (en) * | 2019-03-28 | 2019-07-23 | 昆明理工大学 | A kind of measuring device and method of cable diameter |
| CN110608823A (en) * | 2019-06-11 | 2019-12-24 | 蚌埠学院 | Gate lifting weight detection sensor |
| CN113984254A (en) * | 2021-10-28 | 2022-01-28 | 湖北工程学院 | Clamp force measuring sensor |
-
2011
- 2011-02-15 CN CN2011200404609U patent/CN202057439U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539226A (en) * | 2012-01-09 | 2012-07-04 | 西北工业大学 | Experimental device for measuring mechanical parameter of viscous-elastic material by using shearing method |
| CN102539226B (en) * | 2012-01-09 | 2013-11-06 | 西北工业大学 | Experimental device for measuring mechanical parameter of viscous-elastic material by using shearing method |
| CN106353022A (en) * | 2016-09-12 | 2017-01-25 | 郑州宇通客车股份有限公司 | Passenger car door clamping force measurement system |
| CN110044282A (en) * | 2019-03-28 | 2019-07-23 | 昆明理工大学 | A kind of measuring device and method of cable diameter |
| CN110608823A (en) * | 2019-06-11 | 2019-12-24 | 蚌埠学院 | Gate lifting weight detection sensor |
| CN113984254A (en) * | 2021-10-28 | 2022-01-28 | 湖北工程学院 | Clamp force measuring sensor |
| CN113984254B (en) * | 2021-10-28 | 2024-03-19 | 湖北工程学院 | Clamping force measuring sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO KELI SENSING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NINGBO KELI ELECTRIC MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315033 Changxin, Zhejiang Province Investment Venture Park, Jiangbei District, C Road, No., No. 199 Patentee after: KELI SENSING TECHNOLOGY (NINGBO) CO., LTD. Address before: 315033 Changxin, Zhejiang Province Investment Venture Park, Jiangbei District, C Road, No., No. 199 Patentee before: Ningbo Keli Electric Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20200215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |