CN204789113U - Edge of a knife stop device and have its extensometer for extensometer - Google Patents
Edge of a knife stop device and have its extensometer for extensometer Download PDFInfo
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- CN204789113U CN204789113U CN201520307704.3U CN201520307704U CN204789113U CN 204789113 U CN204789113 U CN 204789113U CN 201520307704 U CN201520307704 U CN 201520307704U CN 204789113 U CN204789113 U CN 204789113U
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Abstract
The utility model discloses an edge of a knife stop device and have its extensometer for extensometer. The extensometer includes that the first extensometer edge of a knife and the second extensometer edge of a knife support a face that leans on the testpieces to form the measurement moving direction of extensometer, edge of a knife stop device includes for the extensometer: first spacing recess has on the stop device, the spacing recess of second has on the 2nd stop device, first spacing recess is used for supplying the testpieces simultaneously to leaning on with the spacing recess of second to make the atress direction of testpieces when experimental and the first extensometer edge of a knife and the effect of the second extensometer edge of a knife in this power down formation measurement moving direction unanimously. The utility model provides a requirement that the atress direction is unanimous of the direction of measurement and the testpieces of extensometer is satisfied in the installation that edge of a knife stop device can guarantee the extensometer for the extensometer, not standard operation when effectively avoiding operating personnel installation extensometer, and artificial measurement and installation error when reducing the extensometer and using realize pinpointing of extensometer.
Description
Technical field
The utility model relates to the experimental technique field of material properties test, particularly relates to a kind of extensometer edge of a knife stop means and has its extensometer.
Background technology
Extensometer is the most frequently used deformation measuring device arrived in metal or composite materials property tension test.When using extensometer to measure testpieces along the distortion of Impact direction, require the measurement moving direction 5 ' of the extensometer shown in Fig. 1, the first extensometer edge of a knife 1 ' namely in extensometer must be consistent with the Impact direction of testpieces 3 ' with the line direction of the second extensometer edge of a knife 2 ' mid point.But because extensometer is installed lack of standardization, can cause the phenomenon that the direction of measurement 5 ' of the extensometer shown in Fig. 2 is inconsistent with the Impact direction 4 ' of testpieces, there is certain deviation in the distortion making extensometer measure and the practical distortion of testpieces 3 '.And this kind of deviation is topmost artificial measuring error in extensometer measuring process.
When using these extensometers to measure the distortion of testpieces 3 ' under axial tensile loads effect, testing crew needs to ensure that the installation of extensometer meets the requirement consistent with the Impact direction 4 ' of testpieces of the direction of measurement 5 ' of extensometer by the mode of dimensional measurement (whether the first extensometer edge of a knife 1 ' namely measured in extensometer is equal to the distance of testpieces 3 ' side with the second extensometer edge of a knife 2 ').When carrying out high temperature or cryogenic tensile test in environmental cabinet, because environmental cabinet inner space is narrow and small, testing crew cannot carry out dimensional measurement usually, can only check roughly whether the installation of extensometer meets the requirement consistent with the Impact direction 4 ' of testpieces of the direction of measurement 5 ' of extensometer, causes the artificial measuring error of extensometer larger by the mode of range estimation.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Utility model content
The purpose of this utility model is provide a kind of extensometer edge of a knife stop means to overcome or at least alleviate at least one above-mentioned defect of prior art.
For achieving the above object, the utility model provides a kind of extensometer edge of a knife stop means.Described extensometer comprises extensometer main body, extended by described extensometer main body, be separated by and the first parallel extensometer edge of a knife support and the second extensometer edge of a knife support, and the first extensometer edge of a knife be arranged on described first extensometer edge of a knife support, be arranged on the second extensometer edge of a knife on described second extensometer edge of a knife support, the described first extensometer edge of a knife and the described second extensometer edge of a knife are against a face of testpieces, and follow described testpieces when described testpieces is stressed and move, form the measurement moving direction of extensometer, described extensometer edge of a knife stop means comprises: the first stop means, it is arranged on described first extensometer edge of a knife support, described first stop means has the first limited impression, and second stop means, it is arranged on described second extensometer edge of a knife support, and described second stop means has the second limited impression, wherein, described first limited impression and described second limited impression be used for for described testpieces against, and make the measurement moving direction that simultaneously formed under this force against the described testpieces Impact direction at the trial of described first limited impression and described second limited impression and the described first extensometer edge of a knife and the described second extensometer edge of a knife consistent.
Preferably, described first stop means and described second stop means are identical stop means.
Preferably, described first stop means comprises the first locating part, described first locating part comprises mutually vertical and the first positive stop strip be disposed on the same plane and the second positive stop strip, and the angle of the described testpieces of vicinity that described first positive stop strip and described second positive stop strip are formed is described first limited impression; Described second stop means comprises the second locating part, described second locating part comprises mutually vertical and the 3rd positive stop strip be disposed on the same plane and the 4th positive stop strip, and the angle of the described testpieces of vicinity that described 3rd positive stop strip and described 4th positive stop strip are formed is described second limited impression.
Preferably, described first stop means comprises the first spacing base further, and described first spacing base is fixed to described first extensometer edge of a knife support, and described first locating part is arranged on described first spacing base;
Described second stop means comprises the second spacing base further, described second spacing base is fixed to described second extensometer edge of a knife support, described second locating part is arranged on described second spacing base, wherein, described first locating part relative to described first spacing base motions, and can be fixed to described first spacing base; Described second locating part relative to described second spacing base motions, and can be fixed to described second spacing base.
Preferably, described first spacing base comprises orthogonal first base subsegment and the second base subsegment, and described first base subsegment offers the first mounting hole; Described second base subsegment is set on described first extensometer edge of a knife support, described second base subsegment offers the second mounting hole, and the first screw coordinates that with described second mounting hole described first spacing base is screwed to described first extensometer edge of a knife support; Described second spacing base comprises orthogonal 3rd base subsegment and the 4th base subsegment, and described 3rd base subsegment offers the 3rd mounting hole; Described 4th base subsegment is set on described second extensometer edge of a knife support, described 4th base subsegment offers the 4th mounting hole, and the second screw coordinates that with described 4th mounting hole described second spacing base is screwed to described second extensometer edge of a knife support.
Preferably, the cross sectional shape of the described second base subsegment in described first spacing base is U-shaped; The cross sectional shape of the described 4th base subsegment in described second spacing base is U-shaped.
Preferably, described first positive stop strip in described first locating part is provided with the first chute, 3rd screw can through described first mounting hole on described first chute and described first spacing base, and described first positive stop strip to be slided and described first locating part is fixed to described first spacing base by optional position in described first chute along the bearing of trend of described first chute; Described 3rd positive stop strip in described second locating part is provided with the second chute, 4th screw can through described 3rd mounting hole on described second chute and described second spacing base, and described second positive stop strip to be slided and described second locating part is fixed to described second spacing base by optional position in described second chute along the bearing of trend of described second chute.
Preferably, the bearing of trend of described first chute is extend to the direction of the other end from one end of described first positive stop strip; The bearing of trend of described second chute is extend to the direction of the other end from one end of described second positive stop strip.
The utility model also provides a kind of extensometer, described extensometer comprises extensometer main body, the first extensometer edge of a knife support, the second extensometer edge of a knife support, the first extensometer edge of a knife and the second extensometer edge of a knife, also comprises extensometer edge of a knife stop means as above.
Extensometer edge of a knife stop means in the utility model can ensure that the installation of extensometer meets the requirement consistent with the Impact direction of testpieces of the direction of measurement of extensometer, operation lack of standardization when effectively avoiding operating personnel to install extensometer, reduce artificial measurement when extensometer uses and alignment error, realize the accurate location of extensometer.
Accompanying drawing explanation
Fig. 1 is the instrumentation plan of extensometer in prior art.
Fig. 2 is that the extensometer shown in Fig. 1 installs nonstandard schematic diagram.
Fig. 3 is the schematic diagram of the installment state of extensometer edge of a knife stop means according to the utility model first embodiment.
Fig. 4 is the perspective exploded view of the extensometer edge of a knife stop means installment state shown in Fig. 3.
Fig. 5 is the schematic diagram of the first locating part in the extensometer edge of a knife stop means shown in Fig. 3.
Fig. 6 is the schematic diagram of the first spacing base in the extensometer edge of a knife stop means shown in Fig. 3.
Reference numeral:
| 1’ | The first extensometer edge of a knife | 911 | First positive stop strip |
| 2’ | The second extensometer edge of a knife | 9111 | First chute |
| 3’ | Testpieces | 912 | Second positive stop strip |
| 4’ | The Impact direction of testpieces | 913 | First limited impression |
| 5’ | The direction of measurement of extensometer | 92 | First spacing base |
| 1 | Extensometer main body | 921 | First base subsegment |
| 2 | First extensometer edge of a knife support | 9211 | First mounting hole |
| 3 | Second extensometer edge of a knife support | 922 | Second base subsegment |
| 4 | The first extensometer edge of a knife | 9221 | Second mounting hole |
| 5 | The second extensometer edge of a knife | 10 | Second stop means |
| 6 | Testpieces | 101 | Second locating part |
| 7 | Impact direction | 102 | Second spacing base |
| 8 | The measurement moving direction of extensometer | 11 | First screw |
| 9 | First stop means | 12 | Second screw |
| 91 | First locating part | 13 | 3rd screw |
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Fig. 3 is the schematic diagram of the installment state of extensometer edge of a knife stop means according to the utility model first embodiment.Fig. 4 is the perspective exploded view of the extensometer edge of a knife stop means installment state shown in Fig. 3.Fig. 5 is the schematic diagram of the first locating part in the extensometer edge of a knife stop means shown in Fig. 3.Fig. 6 is the schematic diagram of the first spacing base in the extensometer edge of a knife stop means shown in Fig. 3.
Extensometer edge of a knife stop means in the utility model comprises the first stop means 9 and the second stop means 10.Wherein, the first stop means 9 is made up of the first locating part 91 and the first spacing base 92.Second stop means 10 is made up of the second locating part 101 and the second spacing base 102.
The utility model also provides a kind of extensometer, and described extensometer comprises extensometer main body 1, first extensometer edge of a knife support 2, second extensometer edge of a knife support 3, the first extensometer edge of a knife 4 and the second extensometer edge of a knife 5.Wherein, the first extensometer edge of a knife support 2 shown in Fig. 3 and the second extensometer edge of a knife support 3 are extended by extensometer main body 1, be separated by and arranged in parallel.The first extensometer edge of a knife 4 is arranged on the first extensometer edge of a knife support 2, and the second extensometer edge of a knife 5 is arranged on the second extensometer edge of a knife support 3.The first extensometer edge of a knife 4 and the second extensometer edge of a knife 5 are against a face (front end face of the testpieces 6 namely shown in Fig. 3) of testpieces 6, and pursuit test part 6 moves when testpieces 6 is stressed, form the measurement moving direction 8 of extensometer.Testpieces 6 in the present embodiment is by the tensile force gone up along its length, and the first extensometer edge of a knife 4 and the second extensometer edge of a knife 5 move along its length with testpieces 6.It is pointed out that the measurement moving direction 8 of extensometer refers to the line direction of the mid point of the first extensometer edge of a knife 4 and the second extensometer edge of a knife 5.Extensometer also comprises extensometer edge of a knife stop means as above.
See Fig. 3 and Fig. 5, the first stop means 9 is arranged on the first extensometer edge of a knife support 2.First stop means 9 has the first limited impression 913.Second stop means 10 is arranged on the second extensometer edge of a knife support 3.Second stop means 10 has the second limited impression.Wherein, first limited impression 913 and the second limited impression be used for for testpieces 6 against, and make the measurement moving direction 8 that simultaneously formed under this force against testpieces 6 Impact direction 7 at the trial of the first limited impression 913 and the second limited impression and the first extensometer edge of a knife 4 and the second extensometer edge of a knife 5 consistent.
It is pointed out that the first stop means 9 is identical stop means with the second stop means 10.That is, the first stop means 9 is all identical in size, material, composition structure etc. with the second stop means 10, to make processing and manufacturing simple and convenient and the function making it have is consistent with the effect of realization.Also it is pointed out that the first stop means 9 and the second stop means 10 are oppositely arranged, to facilitate Installation and Measurement.
Particularly, see Fig. 4, it is mutually vertical with the second positive stop strip 912 and be disposed on the same plane that the first locating part 91 in the first stop means 9 comprises the first positive stop strip 911 and the second positive stop strip 912, first positive stop strip 911.The angle of the proximity assay part 6 that the first positive stop strip 911 and the second positive stop strip 912 are formed is the first limited impression 913, the angle that the first positive stop strip 911 namely shown in Fig. 5 and the medial surface of the second positive stop strip 912 are formed.It is pointed out that the plane orthogonal at the first positive stop strip 911 and the second positive stop strip 912 place is in the plane at testpieces 6 place.The left side of the corresponding testpieces 6 of medial surface of the first positive stop strip 911, and the medial surface of the first positive stop strip 911 is parallel to the left side of testpieces 6.The front end face of the corresponding testpieces 6 of medial surface of the second positive stop strip 912, and the medial surface of the second positive stop strip 912 is parallel to the front end face of testpieces 6.Thus the first extensometer edge of a knife 4 be simultaneously arranged on the first extensometer edge of a knife support 2 can accurately be located by the first stop means 9 be arranged on the first extensometer edge of a knife support 2, thus limit the position of the first extensometer edge of a knife 4, make the first extensometer edge of a knife 4 maintenance level and do not tilt.
The second locating part 101 in second stop means 10 comprises the 3rd positive stop strip and the 4th positive stop strip, and the 3rd positive stop strip and the 4th positive stop strip are mutually vertical and be disposed on the same plane.The angle of the proximity assay part 6 that the 3rd positive stop strip and the 4th positive stop strip are formed is the second limited impression, i.e. the angle that formed of the medial surface of the 3rd positive stop strip and the 4th positive stop strip.It is pointed out that the plane orthogonal at the 3rd positive stop strip and the 4th positive stop strip place is in the plane at testpieces 6 place.The left side of the corresponding testpieces 6 of medial surface of the 3rd positive stop strip, and the medial surface of the 3rd positive stop strip is parallel to the left side of testpieces 6.The front end face of the corresponding testpieces 6 of medial surface of the 4th positive stop strip, and the medial surface of the 4th positive stop strip is parallel to the front end face of testpieces 6.Thus the second extensometer edge of a knife 5 be simultaneously arranged on the second extensometer edge of a knife support 3 can accurately be located by the second stop means 10 be arranged on the second extensometer edge of a knife support 3, thus limit the position of the second extensometer edge of a knife support 3, make the second extensometer edge of a knife 5 maintenance level and do not tilt, equal to the distance of testpieces 6 side with the second extensometer edge of a knife 5 to ensure the first extensometer edge of a knife 4.Can ensure that the first extensometer edge of a knife 4 and the installation of the second extensometer edge of a knife 5 meet the requirement consistent with the Impact direction of testpieces 6 of the measurement sense of displacement of extensometer by cooperatively interacting of the first limited impression 913 in the first locating part 91 and the second limited impression in the second locating part 101, operation lack of standardization when effectively avoiding operating personnel to install extensometer, reduce artificial measurement when extensometer uses and alignment error, realize the accurate location of extensometer, reduce workload during testing crew installation extensometer.
In first stop means 9 first spacing base 92 is fixed to the first extensometer edge of a knife support 2, first locating part 91 and is arranged on the first spacing base 92.And the first locating part 91 can move relative to the first spacing base 92, and the first spacing base 92 can be fixed to, thus the first stop means 9 can be regulated according to the width of the front end face of testpieces 6, and fixing in adjustment.
Particularly, the first spacing base 92 comprises the first base subsegment 921 and the second base subsegment 922.First base subsegment 921 and the vertical setting mutually of the second base subsegment 922.First base subsegment 921 offers the first mounting hole 9211.Second base subsegment 922 is set on the first extensometer edge of a knife support 2, the second base subsegment 922 offers the second mounting hole 9221, first screw 11 and coordinates that with the second mounting hole 9,221 first spacing base 92 is screwed to the first extensometer edge of a knife support 2.
It is pointed out that the cross sectional shape of the second base subsegment 922 in the first spacing base 92 is roughly U-shaped, and do not have arc transition, this kind of shape is easy to process and cost-saving.Not needs processing mounting holes on the first extensometer edge of a knife support 2 can be met simultaneously, directly the second base subsegment 922 is set on the first extensometer edge of a knife support 2, ensure the demand of the intensity of the first extensometer edge of a knife support 2.
In second stop means 10 second spacing base 102 is fixed to the second extensometer edge of a knife support 3, second locating part 101 and is arranged on the second spacing base 102.And the second locating part 101 can move relative to the second spacing base 102, and the second spacing base 102 can be fixed to, thus the second stop means 10 also can be regulated according to the width of the front end face of testpieces 6, and fixing in adjustment.
Particularly, the second spacing base 102 comprises the 3rd base subsegment and the 4th base subsegment, and the 3rd base subsegment is arranged with the 4th base subsegment is mutually vertical.3rd base subsegment offers the 3rd mounting hole.4th base subsegment is set on the second extensometer edge of a knife support 3, the 4th base subsegment offers the 4th mounting hole, and the second screw 12 coordinates that with the 4th mounting hole the second spacing base 102 is screwed to the second extensometer edge of a knife support 3.
It is pointed out that the cross sectional shape of the described 4th base subsegment in the second spacing base 102 is roughly U-shaped, and do not have arc transition, this kind of shape is easy to process and cost-saving.Not needs processing mounting holes on the second extensometer edge of a knife support 3 can be met simultaneously, directly the 4th base subsegment is set on the second extensometer edge of a knife support 3, ensure the demand of the intensity of the second extensometer edge of a knife support 3.
See Fig. 3, Fig. 6, the first positive stop strip 911 in the first locating part 91 is provided with the first chute 9111.3rd screw 13 can through the first chute 9111 and the first mounting hole 9211 be arranged on the first spacing base 92, first positive stop strip 911 can be slided along the bearing of trend of the first chute 9111, and the first locating part 91 is fixedly screwed to the first spacing base 92 by the optional position in the first chute 9111.
The 3rd positive stop strip in second locating part 101 is provided with the second chute, 4th screw can through the 3rd mounting hole on the second chute and the second spacing base 102, second positive stop strip 912 can be slided along the bearing of trend of the second chute, and the second locating part 101 is fixed to the second spacing base 102 by the optional position in the second chute.
It is to be noted, the bearing of trend of the first chute 9111 for extending to the direction of the other end of the first positive stop strip 911 from one end (left end of the first positive stop strip 911 namely shown in Fig. 5 or right-hand member) of the first positive stop strip 911, thus makes the first positive stop strip 911 can slide along the direction that the Width of the front end face with testpieces 6 is parallel.It is pointed out that the bearing of trend of the second chute is extend to the direction of the other end from one end of the second positive stop strip 912.Thus the second positive stop strip 912 can be slided along the direction that the Width of the front end face with testpieces 6 is parallel.When carrying out deformation measurement to the testpieces 6 of same width, except initial workpiece, when measuring all the other testpieces 6, all do not need adjustment extensometer edge of a knife stop means, plug and play, convenient and swift, greatly improve work efficiency.
The installation steps of extensometer edge of a knife stop means and process of the test specific as follows shown in.
Use extensometer to measure testpieces 6 before the deformation test under axial tensile loads, first unclamp two the 3rd screws 13 on the first stop means 9, according to the position of width adjusting first locating part 91 of testpieces 6.After being adjusted the first locating part 91 position, tighten this two the 3rd screws 13, the first locating part 91 is fixing on the first spacing base 92.First spacing base 92 is enclosed within the first extensometer edge of a knife support 2, tightens two the second screws 12 of side to make the first spacing base 92 fixing on the first extensometer edge of a knife support 2.Can according to same step to installation second stop means 10.
After first stop means 9 and the second stop means 10 install, can test according to the normal experimental procedure of extensometer.On first limited impression 913 that only two of testpieces 6 adjacent side need be leaned against the extensometer edge of a knife stop means during test and the second limited impression, equal to the distance of testpieces 6 side with the second extensometer edge of a knife 5 to ensure the first extensometer edge of a knife 4.Then by the installation method of conventional extensometer, testpieces 6 is clamped, just can ensure that the direction of measurement of extensometer is consistent with the Impact direction of testpieces 6.
Extensometer edge of a knife stop means in the utility model can ensure that the installation of extensometer meets the requirement consistent with the Impact direction of testpieces of the direction of measurement of extensometer, operation lack of standardization when effectively avoiding operating personnel to install extensometer, reduce artificial measurement when extensometer uses and alignment error, realize the accurate location of extensometer.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. an extensometer edge of a knife stop means, described extensometer comprises extensometer main body (1), extended by described extensometer main body (1), be separated by and the first parallel extensometer edge of a knife support (2) and the second extensometer edge of a knife support (3), and the first extensometer edge of a knife (4) be arranged on described first extensometer edge of a knife support (2), be arranged on the second extensometer edge of a knife (5) on described second extensometer edge of a knife support (3), the described first extensometer edge of a knife (4) and the face of the described second extensometer edge of a knife (5) against testpieces (6), and described testpieces (6) movement is followed when described testpieces (6) is stressed, form the measurement moving direction (8) of extensometer, it is characterized in that, described extensometer edge of a knife stop means comprises:
First stop means (9), it is arranged on described first extensometer edge of a knife support (2), and described first stop means (9) has the first limited impression (913); And
Second stop means (10), it is arranged on described second extensometer edge of a knife support (3), and described second stop means (10) has the second limited impression; Wherein,
Described first limited impression (913) and described second limited impression be used for for described testpieces (6) against, and make the measurement moving direction that simultaneously formed under this force against described testpieces (6) Impact direction at the trial (7) of described first limited impression (913) and described second limited impression and the described first extensometer edge of a knife (4) and the described second extensometer edge of a knife (5) consistent.
2. extensometer edge of a knife stop means as claimed in claim 1, it is characterized in that, described first stop means (9) is identical stop means with described second stop means (10).
3. extensometer edge of a knife stop means as claimed in claim 2, is characterized in that,
Described first stop means (9) comprises the first locating part (91), described first locating part (91) comprises mutually vertical and the first positive stop strip (911) be disposed on the same plane and the second positive stop strip (912), and the angle of the described testpieces of vicinity (6) that described first positive stop strip (911) and described second positive stop strip (912) are formed is described first limited impression (913);
Described second stop means (10) comprises the second locating part (101), described second locating part (101) comprises mutually vertical and the 3rd positive stop strip be disposed on the same plane and the 4th positive stop strip, and the angle of the described testpieces of vicinity (6) that described 3rd positive stop strip and described 4th positive stop strip are formed is described second limited impression.
4. extensometer edge of a knife stop means as claimed in claim 3, is characterized in that,
Described first stop means (9) comprises the first spacing base (92) further, described first spacing base (92) is fixed to described first extensometer edge of a knife support (2), and described first locating part (91) is arranged on described first spacing base (92);
Described second stop means (10) comprises the second spacing base (102) further, described second spacing base (102) is fixed to described second extensometer edge of a knife support (3), described second locating part (101) is arranged on described second spacing base (102)
Wherein, described first locating part (91) relative to described first spacing base (92) motion, and can be fixed to described first spacing base (92); Described second locating part (101) relative to described second spacing base (102) motion, and can be fixed to described second spacing base (102).
5. extensometer edge of a knife stop means as claimed in claim 4, is characterized in that,
Described first spacing base (92) comprises orthogonal first base subsegment (921) and the second base subsegment (922), and described first base subsegment (921) offers the first mounting hole (9211); Described second base subsegment (922) is set on described first extensometer edge of a knife support (2), described second base subsegment (922) offers the second mounting hole (9221), and the first screw (11) coordinates that with described second mounting hole (9221) described first spacing base (92) is screwed to described first extensometer edge of a knife support (2);
Described second spacing base (102) comprises orthogonal 3rd base subsegment and the 4th base subsegment, and described 3rd base subsegment offers the 3rd mounting hole; Described 4th base subsegment is set on described second extensometer edge of a knife support (3), described 4th base subsegment offers the 4th mounting hole, and the second screw (12) coordinates that with described 4th mounting hole described second spacing base (102) is screwed to described second extensometer edge of a knife support (3).
6. extensometer edge of a knife stop means as claimed in claim 5, it is characterized in that, the cross sectional shape of the described second base subsegment (922) in described first spacing base (92) is U-shaped; The cross sectional shape of the described 4th base subsegment in described second spacing base (102) is U-shaped.
7. extensometer edge of a knife stop means as claimed in claim 5, is characterized in that,
Described first positive stop strip (911) in described first locating part (91) is provided with the first chute (9111), 3rd screw (13) can through described first mounting hole (9211) on described first chute (9111) and described first spacing base (92), makes described first positive stop strip (911) optional position along the bearing of trend slip of described first chute (9111) and in described first chute (9111) described first locating part (91) can be fixed to described first spacing base (92);
Described 3rd positive stop strip in described second locating part (101) is provided with the second chute, 4th screw can through described 3rd mounting hole on described second chute and described second spacing base (102), described second positive stop strip (912) can be slided and described second locating part (101) is fixed to described second spacing base (102) by optional position in described second chute along the bearing of trend of described second chute.
8. extensometer edge of a knife stop means as claimed in claim 7, it is characterized in that, the bearing of trend of described first chute (9111) is extend to the direction of the other end from one end of described first positive stop strip (911); The bearing of trend of described second chute is extend to the direction of the other end from one end of described second positive stop strip (912).
9. an extensometer, described extensometer comprises extensometer main body (1), the first extensometer edge of a knife support (2), the second extensometer edge of a knife support (3), the first extensometer edge of a knife (4) and the second extensometer edge of a knife (5), it is characterized in that, also comprise the extensometer edge of a knife stop means according to any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307704.3U CN204789113U (en) | 2015-05-13 | 2015-05-13 | Edge of a knife stop device and have its extensometer for extensometer |
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| CN201520307704.3U CN204789113U (en) | 2015-05-13 | 2015-05-13 | Edge of a knife stop device and have its extensometer for extensometer |
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| CN204789113U true CN204789113U (en) | 2015-11-18 |
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| CN (1) | CN204789113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352792A (en) * | 2015-12-13 | 2016-02-24 | 中国飞机强度研究所 | Single-bolt double-shear squeezing test device for laminated composite plate |
| CN107764649A (en) * | 2017-11-28 | 2018-03-06 | 郑州大学 | Tensile deformation test device and its deformation-sensor fixture in concrete sample high temperature |
| CN112710559A (en) * | 2019-10-25 | 2021-04-27 | 中国航发商用航空发动机有限责任公司 | High-temperature mechanical test device and extensometer auxiliary assembly thereof |
-
2015
- 2015-05-13 CN CN201520307704.3U patent/CN204789113U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352792A (en) * | 2015-12-13 | 2016-02-24 | 中国飞机强度研究所 | Single-bolt double-shear squeezing test device for laminated composite plate |
| CN107764649A (en) * | 2017-11-28 | 2018-03-06 | 郑州大学 | Tensile deformation test device and its deformation-sensor fixture in concrete sample high temperature |
| CN107764649B (en) * | 2017-11-28 | 2024-01-30 | 郑州大学 | Tensile deformation testing device for concrete test piece at high temperature and deformation sensor clamp thereof |
| CN112710559A (en) * | 2019-10-25 | 2021-04-27 | 中国航发商用航空发动机有限责任公司 | High-temperature mechanical test device and extensometer auxiliary assembly thereof |
| CN112710559B (en) * | 2019-10-25 | 2022-06-24 | 中国航发商用航空发动机有限责任公司 | High-temperature mechanical test device and extensometer auxiliary assembly thereof |
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