CN213209809U

CN213209809U - Displacement meter scale distance device and large-deformation displacement meter with same

Info

Publication number: CN213209809U
Application number: CN202021996609.6U
Authority: CN
Inventors: 张玉明; 李学峰; 杭鹰; 陈余柱
Original assignee: Jiangsu Province Traffic Engineering Group Bairun Engineering Testing Co ltd
Current assignee: Jiangsu Province Traffic Engineering Group Bairun Engineering Testing Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-14
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to a displacement meter scale distance device and big deformation displacement meter that has it belongs to the field of omnipotent test machine, and this displacement meter scale distance device includes first mounting, first mounting forms into the plate type spare, be equipped with first location passageway and the second location passageway that link up along its thickness direction on the first mounting. This application is through setting up first location passageway and second location passageway on first mounting, with the edge of a knife in the displacement meter block joint respectively to first location passageway and second location passageway in, the installation joint is accomplished the back, and the interval between the fixed good edge of a knife need not carry out the affirmation of scale at every turn, also can be quick location and carry out tensile test, effectively improves quick location and efficiency of software testing to the sample material to the problem that big deformation displacement meter test sample efficiency is not high has been improved.

Description

Displacement meter scale distance device and large-deformation displacement meter with same

Technical Field

The application relates to the field of universal testing machines, in particular to a displacement meter scaling distance device and a large-deformation displacement meter with the same.

Background

Nowadays, the variety of engineering materials is increasingly abundant, and the application field of the engineering materials is also continuously expanded. Of the most important importance for the various materials used in engineering construction and machine components are their mechanical properties. Stress-strain measurement is one of the most basic links in material physical property detection, and a professional measuring tool, namely a displacement meter, is usually adopted to apply a load to a sample and measure the longitudinal deformation.

The displacement meter is different from a strain gauge in the traditional strain test, the displacement meter can be repeatedly used for a long time, different specifications and measuring ranges can be selected according to the using conditions, and the strain gauge for measurement cannot relate to an ultra-large strain experiment. The displacement meter comprises the following components in a measuring range: a small deformation displacement meter and a large deformation displacement meter. Small deflection displacement gauges, typically used for deformations below 5 mm, or less; the large-deformation displacement meter is generally applied to deformation of 20 mm to 500 mm, and is mainly used for detecting materials with large elongation, such as rubber, plastic films, cable sheaths and the like. In the actual use process, the large-deformation displacement meter is used frequently, a scale distance line needs to be drawn on a test sample in an operating room, then an upper knife edge and a lower knife edge of the large-deformation displacement meter are clamped on the scale distance line of the sample respectively, and then the tensile test is started.

In view of the above-mentioned related technologies, the applicant believes that when a product is subjected to a performance test, a dumbbell-shaped test sample prepared by the product needs to be continuously used for testing, so that the size of the test sample needs to be continuously marked, the operation of the whole test scheme is complicated, and the test efficiency of the test sample cannot be improved.

SUMMERY OF THE UTILITY MODEL

In order to reach the problem that the big displacement meter test sample efficiency of improving is not high, first aspect, this application provides a displacement meter scale distance device includes: the first fixing piece is formed into a plate-shaped piece, and a first positioning channel and a second positioning channel which penetrate through the first fixing piece in the thickness direction of the first fixing piece are arranged on the first fixing piece.

Through adopting above-mentioned technical scheme, set up first location passageway and second location passageway on first mounting, because interval between first location passageway and the second location passageway is fixed, when the in-service use, through with the edge of a knife in the displacement meter block joint respectively to first location passageway and second location passageway in, the installation joint is accomplished the back, can fix the interval between the edge of a knife, so operate, do not need to carry out the affirmation of scale at every turn, also can be quick location and carry out tensile test, can effectively improve quick location and the efficiency of software testing to the sample material, thereby the problem that big deformation displacement meter test sample efficiency is not high has been improved.

Preferably, the first fixing member includes: a support part formed as a bar-shaped member; one end of the first limiting part is vertically connected with one end of the supporting part; the second limiting part is arranged in parallel with the first limiting part, one end of the second limiting part is connected with the other end of the supporting part, and a positioning groove is defined between the first limiting part and the second limiting part; the positioning part is arranged in the positioning groove, and one end of the positioning part is connected with the supporting part so that the positioning groove is divided into a first positioning channel and a second positioning channel.

Through adopting above-mentioned technical scheme, set up location portion between first spacing portion and the spacing portion of second, through the open-ended design of one end of the constant head tank that forms, in the in-service use process, can carry out quick joint and spacing to the big deformation displacement meter that needs fix a position to it is convenient more fast to make the location scheme, has further improved the not high problem of big deformation displacement meter test sample efficiency.

Preferably, the displacement meter scale distance device further comprises a second fixing piece, the second fixing piece is identical to the first fixing piece in structure and arranged on one side, away from the supporting portion, of the first fixing piece in a mirror image mode, and the first fixing piece is detachably connected with the second fixing piece.

Through adopting above-mentioned technical scheme, still be equipped with the second mounting at the other end of first mounting, through the structure of this combination, can carry out stable fixed to the edge of a knife in the displacement meter, make it when the joint sample, can form accurate size setting to the accuracy of deformation displacement meter test has been improved.

Preferably, the second fixing member is provided with a first limiting hole penetrating along the width direction of the second fixing member.

Preferably, the displacement gauge distance device further comprises: one end of the limiting screw rod is detachably connected with the supporting part, and the other end of the limiting screw rod penetrates through the first limiting hole and is connected with the second fixing part; and the butterfly nut sleeve is movably sleeved on the limiting screw rod to fix the first fixing piece and the second fixing piece.

Through adopting above-mentioned technical scheme, fix through the first spacing hole cooperation limiting screw who sets up on the second mounting, under the condition that effectively fixes improvement stability, adopted butterfly nut to fix, dismantlement and installation that can be quick improve the efficiency of test.

Preferably, the displacement gauge device further comprises: and each displacement positioning assembly is arranged between the first positioning channel and the second positioning channel so as to enable the first positioning channel and the second positioning channel to move along the length direction of the support part.

Through adopting above-mentioned technical scheme, through be provided with the displacement positioning subassembly between first location passageway and second location passageway, make first location passageway and second location passageway tensile activity, such setting enables displacement meter scale distance device when in-service use, handles the sample of many sizes, only uses a displacement meter scale distance device like this, just can satisfy the tensile test to many sizes sample, has improved the not high problem of big deformation displacement meter test sample efficiency from what.

Preferably, each of the displacement positioning assemblies comprises: the displacement positioning support rod is arranged between the positioning parts along the length direction of the support part, and is provided with a sliding through groove extending along the length direction of the displacement positioning support rod; the displacement positioning slide rail is movably arranged in the sliding through groove along the length direction of the displacement positioning support rod, so that the first positioning channel and the second positioning channel move along the length direction of the displacement positioning support rod.

Through adopting above-mentioned technical scheme, through set up ability relative slip's displacement positioning bracing piece and displacement positioning slide rail in the displacement positioning subassembly, optimized the regulation mode when the displacement positioning subassembly carries out many sizes regulation to improve the efficiency that the many sizes of displacement positioning subassembly were adjusted, and then effectively improved the efficiency of deformation displacement meter test sample.

Preferably, the displacement positioning assembly further comprises: the sliding rail through groove extends along the length of the displacement positioning sliding rail and penetrates along the thickness direction of the displacement positioning sliding rail; one end of the displacement positioning rod is fixedly connected with the displacement positioning support rod, and the other end of the displacement positioning rod penetrates through the displacement positioning support rod and the slide rail through groove; and the displacement positioning part is arranged at the other end of the displacement positioning rod and can move along the axial direction of the displacement positioning rod so that the sliding rail through groove is detachably connected with the displacement positioning rod.

Through adopting above-mentioned technical scheme, it leads to the groove to set up the slide rail on the groove is led to the slide rail, supplementary fix with displacement location portion and displacement locating lever, the setting that the slide rail led to the groove has improved the efficiency that the many sizes of displacement locating component were adjusted, the fixed knot of displacement location portion and displacement locating lever constructs, has improved the fixed accuracy nature of big deformation displacement meter edge of a knife, and then when effectively improving the efficiency of big deformation displacement meter test sample, compromise the accuracy of big deformation displacement meter test sample.

Preferably, the surface of the through groove of the slide rail is provided with a ruler size extending along the length direction of the through groove.

Through adopting above-mentioned technical scheme, through the scale size that the groove set up is led to at the slide rail, the size as required that can be quick advances line location fast to the efficiency of displacement meter test sample has been improved.

In a second aspect, the present application provides a large deformation displacement meter comprising a displacement meter gauge length apparatus as described in any one of the above.

Through adopting above-mentioned technical scheme, make big deformation displacement meter in the use, can be quick mark the sample size to when carrying out the mechanical deformation test, can effectively improve the efficiency of using.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this application is through adopting the fixed settlement of interval between first location passageway and the second location passageway in the first mounting, with the edge of a knife in the displacement meter block respectively to first location passageway and second location passageway in the back, need not carry out the affirmation of scale at every turn, also can be quick location and carry out tensile test, can effectively improve quick location and the efficiency of software testing to the sample material to the problem that big deformation displacement meter test sample efficiency is not high has been improved.

2. This application sets up the second mounting through the other end at first mounting, and this integrated configuration can carry out stable fixed to the edge of a knife in the displacement meter, makes it when the joint sample, can form accurate size setting to the accuracy nature of deformation displacement meter test has been improved.

3. This application uses through the calibration distance device cooperation large deformation displacement meter that sets up, makes large deformation displacement meter in the use, can be quick mark the sample size to when carrying out the mechanical deformation test, can effectively improve the efficiency of using.

Drawings

Fig. 1 is a schematic structural view of a displacement gauge device according to embodiment 1 of the present application;

FIG. 2 is a schematic structural view of a distance measuring and calibrating device of a displacement meter according to embodiment 2 of the present application;

FIG. 3 is a schematic structural view of a distance measuring and calibrating device of a displacement meter according to embodiment 3 of the present application;

FIG. 4 is a schematic structural view of a distance measuring and calibrating device of a displacement meter according to embodiment 4 of the present application;

fig. 5 is a left side view of a displacement gage device of embodiment 4 of the present application;

fig. 6 is a schematic view showing an assembled structure of a distance measuring device and a large deformation displacement meter of embodiment 3 of the present application.

Description of reference numerals: 1. a first fixing member; 11. a support portion; 12. a first limiting part; 13. a second limiting part; 14. a positioning part; 15. a first positioning channel; 16. a second positioning channel; 2. a second fixing member; 21. a first limit hole; 22. a limit screw; 23. a butterfly nut; 3. a displacement positioning assembly; 31. a displacement positioning support rod; 311. a displacement positioning rod; 312. a displacement positioning section; 32. a displacement positioning slide rail; 321. a slide rail through groove; 322. scale size; 4. a large deformation displacement meter.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a displacement meter scale distance device. Example 1

Referring to fig. 1, the displacement gauge length calibrating device includes a first fixing member 1, the first fixing member 1 is a plate structure, two through grooves penetrating the plate structure are respectively formed on the plate structure, and the two through grooves are respectively formed into a first positioning channel 15 and a second positioning channel 16.

The implementation principle of the embodiment 1 is as follows: two through grooves are formed in the plate structure of the first fixing piece 1, and the two through grooves are matched with knife edges in the large deformation displacement meter 4 respectively, so that the knife edges can be quickly positioned, and the testing efficiency of the large deformation displacement meter 4 is effectively improved.

Example 2

Referring to fig. 2, the displacement distance measuring and calibrating device includes a support portion 11, the support portion 11 is a rod-shaped structure, a first limit portion 12 and a second limit portion 13 parallel to each other are respectively connected to two ends of the support portion 11, a positioning groove with an opening at one end is formed in an area where the first limit portion 12 and the second limit portion 13 are connected to the support portion 11, a positioning portion 14 extending from the support portion 11 along the direction of the first limit portion 12 and the second limit portion 13 is provided in the positioning groove, so as to divide the positioning groove into two parts, and the two parts are respectively formed as a first positioning channel 15 and a second positioning channel 16 with an opening at one end.

The implementation principle of the embodiment 2 is as follows: the positioning groove is divided by the positioning part 14 to form a clamping part with an opening at one end, so that the knife edges of the two large-deformation displacement meters 4 can be clamped by the design with the opening at one end in the actual use process, the disassembly is convenient, the positioning efficiency is improved, and the testing efficiency of the large-deformation displacement meters 4 is effectively improved.

Example 3

Referring to fig. 3 and 6, the displacement gauge distance calibrating device comprises a first fixing piece 1 and a second fixing piece 2, wherein the first fixing piece 1 and the second fixing piece 2 are arranged in a relative mirror image manner, the first fixing piece 1 and the second fixing piece 2 which are arranged in a relative mirror image manner are divided into a first positioning channel 15 and a second positioning channel 16 which are communicated with each other by a positioning part 14 arranged by the first fixing piece 1 and the second fixing piece 2, and the first positioning channel 15 and the second positioning channel 16 are clamped with a knife edge in a large deformation displacement gauge 4, so that the first fixing piece 1 and the second fixing piece 2 can calibrate the position of the knife edge;

on this basis, one end of a limit screw 22 is fixedly connected to the first fixing member 1, a through first limit hole 21 is formed in the position, opposite to the limit screw 22 on the first fixing member 1, of the second fixing member 2 along the width direction of the second fixing member 2, the limit screw 22 penetrates into the first limit hole 21, and the first fixing member 1 and the second fixing member 2 are sleeved and fixed on a fiber screw through a butterfly nut 23 to form a stable fixing structure.

The implementation principle of the embodiment 3 is as follows: through the setting at first mounting 1 and the same structure of second mounting 2, make location portion 14 can align fast and the butt is fixed, fix the edge of a knife in the displacement meter from both sides through first location passageway 15 and second location passageway 16 on first mounting 1 and the second mounting 2 to through the combined action of stop screw 22 and butterfly nut 23, carry out stable fixed to the edge of a knife, like this in the in-service use in-process, can form accurate size setting, thereby improved the accuracy of deformation displacement meter test.

Example 4

Referring to fig. 4 and 5, the displacement distance measuring and calibrating device includes a first fixing member 1 and a second fixing member 2, and the first fixing member 1 and the second fixing member 2 are arranged in a mirror image manner, on the basis, the positioning portion 14 on the first fixing member 1 and the second fixing member 2 is divided into an upper portion and a lower portion, and meanwhile, in the area, two displacement positioning assemblies 3 are respectively arranged on the first fixing member 1 and the second fixing member 2, each of the two displacement positioning assemblies 3 includes a displacement positioning support rod 31 and a displacement positioning slide rail 32, a slide through groove capable of being embedded with the displacement positioning slide rail 32 is arranged in the length direction of the displacement positioning support rod 31, so that the displacement positioning slide rail 32 moves up and down in the displacement positioning support rod 31, a through slide through groove is arranged in the displacement positioning slide rail 32 along the length direction thereof, a displacement positioning rod 311 is arranged on the displacement positioning support rod 31, one end of the displacement positioning rod 311 is penetrated through one side of the displacement positioning support rod 31, penetrates through the sliding through groove and the displacement positioning support rod 31, and the displacement positioning part 312 is sleeved at one end of the displacement positioning rod 311 on the other side of the displacement positioning support rod 31.

The implementation principle of the embodiment 4 is as follows: after the displacement positioning slide rail 32 is positioned to the corresponding position in the sliding through groove, the displacement positioning support rod 31 and the displacement positioning slide rail 32 are fixed by the displacement positioning part 312 sleeved on the displacement positioning rod 311, so that the displacement positioning assembly 3 can be adjusted in multiple sizes.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A displacement gauge device, comprising:

the first fixing piece (1) is formed into a plate-shaped piece, and a first positioning channel (15) and a second positioning channel (16) which penetrate through the first fixing piece (1) in the thickness direction of the first fixing piece are arranged on the first fixing piece (1).

2. The displacement gage device according to claim 1, wherein the first fixing member (1) comprises:

a support (11), the support (11) being formed as a bar-shaped element;

the first limiting part (12), one end of the first limiting part (12) is vertically connected with one end of the supporting part (11);

the second limiting part (13) is arranged in parallel with the first limiting part (12), one end of the second limiting part (13) is connected with the other end of the supporting part (11), and a positioning groove is defined between the first limiting part (12) and the second limiting part (13);

the positioning part (14) is arranged in the positioning groove, and one end of the positioning part (14) is connected with the supporting part (11) so that the positioning groove is divided into a first positioning channel (15) and a second positioning channel (16).

3. The displacement gage measuring device according to claim 2, further comprising:

the second fixing piece (2), the second fixing piece (2) and the first fixing piece (1) are identical in structure and arranged on one side, away from the supporting portion (11), of the first fixing piece (1) in a mirror image mode, and the first fixing piece (1) is detachably connected with the second fixing piece (2).

4. A distance-measuring device according to claim 3, characterized in that the second fixing member (2) is provided with a first limiting hole (21) passing through in the width direction thereof.

5. The displacement gage measuring device according to claim 4, further comprising:

one end of the limiting screw rod (22) is detachably connected with the supporting part (11), and the other end of the limiting screw rod (22) penetrates through the first limiting hole (21) and is connected with the second fixing part (2);

the butterfly nut (23), butterfly nut (23) cover movably cover is established on stop screw (22) with fixed first mounting (1) with second mounting (2).

6. The displacement gage measuring device according to claim 2, further comprising:

at least one displacement positioning assembly (3), wherein each displacement positioning assembly (3) is arranged between the first positioning channel (15) and the second positioning channel (16) so that the first positioning channel (15) and the second positioning channel (16) can move along the length direction of the support part (11).

7. The displacement gauge length device according to claim 6, wherein each of the displacement positioning assemblies (3) comprises:

the displacement positioning support rods (31), the displacement positioning support rods (31) are arranged between the positioning parts (14) along the length direction of the support part (11), and the displacement positioning support rods (31) are provided with sliding through grooves extending along the length direction of the displacement positioning support rods;

displacement location slide rail (32), displacement location slide rail (32) are followed the length direction movably of displacement location bracing piece (31) is established the inslot that slides is so that first fixed position passageway (15) with second fixed position passageway (16) are followed displacement location bracing piece (31) length direction activity.

8. The displacement gauge length device according to claim 7, wherein the displacement positioning assembly (3) further comprises:

the sliding rail through groove (321) is arranged along the length of the displacement positioning sliding rail (32) in an extending mode, and the sliding rail through groove (321) penetrates through the displacement positioning sliding rail (32) in the thickness direction;

one end of the displacement positioning rod (311) is fixedly connected with the displacement positioning support rod (31), and the other end of the displacement positioning rod (311) penetrates through the displacement positioning support rod (31) and the slide rail through groove (321);

the displacement positioning part (312) is arranged at the other end of the displacement positioning rod (311), and the displacement positioning part (312) can move axially along the displacement positioning rod (311) so as to enable the sliding rail through groove (321) to be detachably connected with the displacement positioning rod (311).

9. The displacement gage device according to claim 8, wherein the surface of the slide through slot (321) is provided with a scale size (322) extending along the length thereof.

10. A large deformation displacement gauge (4), comprising a distance-measuring device according to any of claims 1-9.