CN203249614U - Compression deformation measuring device - Google Patents

Compression deformation measuring device Download PDF

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Publication number
CN203249614U
CN203249614U CN 201320207136 CN201320207136U CN203249614U CN 203249614 U CN203249614 U CN 203249614U CN 201320207136 CN201320207136 CN 201320207136 CN 201320207136 U CN201320207136 U CN 201320207136U CN 203249614 U CN203249614 U CN 203249614U
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CN
China
Prior art keywords
compression deformation
gage beam
guide pole
measuring device
test specimen
Prior art date
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Active
Application number
CN 201320207136
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Chinese (zh)
Inventor
沈超明
汪雅棋
温华兵
刘春岐
谢冰清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
River Cycadaceae new material limited company
Original Assignee
ZHENJIANG TIEKE RUBBER PRODUCTS Ltd
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
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Priority to CN 201320207136 priority Critical patent/CN203249614U/en
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Publication of CN203249614U publication Critical patent/CN203249614U/en
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Abstract

The utility model relates to a compression deformation measuring device and belongs to the engineering testing technical field. The compression deformation measuring device includes an upper measuring arm, a lower measuring arm and an electronic extensometer; and two measuring blades of the electronic extensometer directly contact with outer walls of guide rods of the upper measuring arm and the lower measuring arm and are vertical to the axes of the guide rods. With the compression deformation measuring device of the utility model adopted, the measurement of the deformation of a test specimen (a part) when the test specimen (a part) is stressed is converted into the measurement of the relative displacement of the guide rods, because the electronic extensometer is adopted to measure the displacement, measurement precision and accuracy can be ensured; and with the compression deformation measuring device adopted, the problem of low precision caused by a situation in which the deformation of the test specimen (a part) is replaced by displacement of a beam loaded by a universal testing machine can be solved, and therefore, the accuracy measurement of the deformation of the test specimen can be greatly improved.

Description

The compression deformation measurement mechanism
Technical field
The utility model belongs to the Engineering Testing Technique field, relates in particular to a kind of compression deformation measurement mechanism, can be applicable to the deformation measurement of test specimen in the compression test (or part).
Background technology
In engineering test practice, the distortion after the load is measured extremely important accurately to material sample or part pressurized.As in carrying out the room temperature compression test of material, we are measuring the compressive modulus of elasticity of material, compression regulation disproportional yield strength, or must carry out Measurement accuracy to the deflection of sample behind pressurized of this material when drawing stress-strain diagram; In addition, in the quiet rigidity test of isolation mounting, particularly important to the accurate measurement that isolation mounting is out of shape behind pressurized.The displacement that the at present compression deformation in this type of test often adopts universal testing machine to load crossbeam replaces the deflection of test specimen (part), its shortcoming is very obvious: the displacement of testing machine loading crossbeam has comprised the distortion from crossbeam to the whole loading chain of lower platen self that loads usefulness at least, and the gap that connects between each parts etc., such deformation measurement value can be obviously greater than the true strain value of test specimen (part), so that the reduction of test result precision, even unacceptable.
The utility model content
For above-mentioned technical matters, the compression deformation measurement mechanism that provides a kind of measuring accuracy high is provided the purpose of this utility model.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of compression deformation measurement mechanism, comprise gage beam, lower gage beam and electronic extensometer, two of described electronic extensometer is measured blade and is directly contacted with the outer wall of described upper and lower gage beam guide pole, and vertical with described guide pole axis.
Distortion during sample (part) pressurized is converted to the relative shift of measuring guide pole by the utility model compression deformation measurement mechanism, because the measurement mechanism that this displacement is adopted is electronic extensometer, has guaranteed measuring accuracy and accuracy.Precision problem on the low side improves the precision that test specimen compression deformation is measured greatly when having solved the displacement that utilizes universal testing machine to load crossbeam and replacing the deflection of test specimen (part).
Description of drawings
Fig. 1 is the utility model compression deformation measurement mechanism structural representation;
Fig. 2 is gage beam structural representation on the utility model compression deformation measurement mechanism;
Fig. 3 is gage beam structural representation under the utility model compression deformation measurement mechanism;
Fig. 4 is gage beam erection support structural drawing under the utility model compression deformation measurement mechanism.
Embodiment
Below in conjunction with accompanying drawing the utility model is made and to be further specified.
As shown in the figure, the support 1 of carrying magnetic seat steadily is installed on the workbench or other firm planes of testing machine, upper gage beam 2 is fixed on the support 1 by gib screw 4, the side of the moving press plate 23 that magnetic or the gib screw 22 of lower gage beam 3 by erection support 20 is installed on testing machine; Upper gage beam 2 mainly is comprised of the guide pole 12 in slidable adjustment bearing 6, set nut 7, the threaded adjuster bar 8 of front end, adjusting bolt 10, spirit bubble 11, tape guide hole, wherein adjuster bar 8 front ends are connected with slidable adjustment bearing 6 by screw thread, and can utilize set nut 7 fixing, the rear end is connected with guide pole 12 by pin 5 and spring 9, and spirit bubble 11 is installed in the end upper surface of guide pole 12; Lower gage beam 3 mainly is comprised of guide pole 13, spirit bubble 14, adjusting bolt 15, connecting rod 18, the magnetic erection support 20 of tape guide pin, wherein guide pole 13 is connected with connecting rod 18 by pin 16, spring 17, and connecting rod 18 is connected with erection support 20 by rotating shaft 19, fixing spring 21; Measure blade and be connected with the guide pole 12 of upper gage beam 2, the guide pole 13 of lower gage beam 3 respectively for two of electronic extensometer 24.
Lower gage beam 3 is installed on the side of the moving press plate 23 of testing machine, adjusts adjusting bolt 15 by eye-level bubble 14, guarantee that lower gage beam 3 is in horizontality, eye-level bubble 14 guarantees that it is placed in the middle simultaneously.
The pilot hole of upper gage beam guide pole 12 is enclosed within on the guide finger of lower gage beam guide pole 13, and the support 1 with magnetic support that will be connected with upper gage beam 2 is installed on the stable table plane, adjust adjusting bolt 10, eye-level bubble 11 guarantees that it is placed in the middle, guarantees that simultaneously upward the guide pole 12 in the tape guide hole of gage beam 2 is without hindrance with the relative motion of the guide pole 13 of the tape guide pin of lower gage beam 3.
Guarantee that the guide pole 12 in tape guide hole and the guide pole 13 end surface of contact of tape guide pin have certain gap, tighten the set nut 7 of 6 of the threaded adjuster bar 8 of front end and slidable adjustment bearings, tighten the gib screw 4 with 6 of the support 1 of magnetic support and slidable adjustment bearings.Electronic extensometer 24 is installed between the guide pole 13 of the guide pole 12 in tape guide hole and tape guide pin, two of electronic extensometer 24 is measured blade and is directly contacted with the guide pole side respectively, guarantees during installation that the up and down two measurement blades of electronic extensometer 24 are vertical with recessed guide pole axis respectively.
The guide pole 13 of tape guide pin is connected with connecting rod 18 by spring 17, pin 16, utilizes the regulatory function of adjusting bolt 15, when the guide pole 13 that has guaranteed the tape guide pin is connected with connecting rod 18 on same axis.Connecting rod 18 and connect with adopting rotating shaft 19 to add two fixing springs 21 between the erection support 20 of gib screw, when having guaranteed to install connecting rod 18 with the erection support 20 of gib screw on same level.
The effect of spring 17, fixing spring 21 is to make the guide pole of tape guide pin 13, connecting rod 18, not interrupted with the connection between erection support 20 threes of gib screw, is convenient to the connection of the moving press plate 23 of lower gage beam 3 and testing machine.
Adopt spring 9 to be connected with pin between the guide pole 12 in tape guide hole and the threaded adjuster bar 8 of front end and is connected, by the adjustment of adjusting bolt 10, the guide pole 12 in assurance tape guide hole and the threaded adjuster bar 8 of front end are on same level.
By being connected of set nut 7, guaranteed that the threaded adjuster bar 8 of guide pole 12, front end, slidable adjustment bearing 6 in tape guide hole are on same axis between the threaded adjuster bar 8 of front end and the slidable adjustment bearing 6.
Slidable adjustment bearing 6 and support 1 with magnetic support connect by gib screw 4, guarantee that slidable adjustment bearing 6 comprises the guide pole 12 in the threaded adjuster bar 8 of front end, tape guide hole, and be mutually vertical when support 1 with magnetic support is connected.
Vibration isolator 25 is placed on the fixation clip 26, move down the moving press plate 23 of testing machine, the moving press plate 23 of testing machine is just contacted with vibration isolator 25, when testing machine moving press plate 23 moves down, sample (part) pressurized produces distortion vertically downwards simultaneously, the lower gage beam 3 that drive is installed on moving press plate 23 sides of testing machine moves down, upper gage beam 2 is fixed, be connected in guide rod electronic extensometer 24 up and down between blade distance move down with the guide pole 13 of tape guide pin on the lower gage beam 3 and to change, the deformation signal of electronic extensometer 24 is by the computer software collection, obtain deflection, the deflection that this deflection produces when being sample (part) pressurized.
The description of above embodiment is comparatively concrete, detailed; but can not therefore be interpreted as the restriction to this patent scope; should be noted that; for the person of ordinary skill of the art; without departing from the concept of the premise utility; can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims (3)

1. compression deformation measurement mechanism is characterized in that: comprise gage beam, lower gage beam and electronic extensometer, two of described electronic extensometer is measured blades and is directly contacted with the outer wall of described upper and lower gage beam guide pole, and vertical with described guide pole axis.
2. described compression deformation measurement mechanism according to claim 1, it is characterized in that: described upper gage beam comprises the guide pole in slidable adjustment bearing, set nut, the threaded adjuster bar of front end, adjusting bolt, spirit bubble and tape guide hole.
3. described compression deformation measurement mechanism according to claim 1, it is characterized in that: described lower gage beam comprises guide pole, spirit bubble, adjusting bolt, connecting rod and the erection support of tape guide pin.
CN 201320207136 2013-04-22 2013-04-22 Compression deformation measuring device Active CN203249614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320207136 CN203249614U (en) 2013-04-22 2013-04-22 Compression deformation measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320207136 CN203249614U (en) 2013-04-22 2013-04-22 Compression deformation measuring device

Publications (1)

Publication Number Publication Date
CN203249614U true CN203249614U (en) 2013-10-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320207136 Active CN203249614U (en) 2013-04-22 2013-04-22 Compression deformation measuring device

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CN (1) CN203249614U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104460689A (en) * 2014-12-03 2015-03-25 江苏亨通光电股份有限公司 Automatic regulating device for detection probe of electronic tension meter
CN105466319A (en) * 2015-12-31 2016-04-06 武昌船舶重工集团有限公司 Vibration isolator deformation measurement tool and measurement method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104460689A (en) * 2014-12-03 2015-03-25 江苏亨通光电股份有限公司 Automatic regulating device for detection probe of electronic tension meter
CN104460689B (en) * 2014-12-03 2018-04-27 江苏亨通光电股份有限公司 Electronics tension gage detection probe self-checking device
CN105466319A (en) * 2015-12-31 2016-04-06 武昌船舶重工集团有限公司 Vibration isolator deformation measurement tool and measurement method thereof
CN105466319B (en) * 2015-12-31 2019-01-22 武昌船舶重工集团有限公司 Vibration isolator deformation measurement tooling and its measurement method

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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
CP03 Change of name, title or address

Address after: 212000 No. 29, Xing Xing Road, Jiangsu, Zhenjiang

Patentee after: River Cycadaceae new material limited company

Address before: 212021 No. 29, Xing Xing Road, Jiangsu, Zhenjiang

Patentee before: Zhenjiang Tieke Rubber Products Ltd.