CN210154566U - Reduction of area testing arrangement - Google Patents
Reduction of area testing arrangement Download PDFInfo
- Publication number
- CN210154566U CN210154566U CN201920777788.5U CN201920777788U CN210154566U CN 210154566 U CN210154566 U CN 210154566U CN 201920777788 U CN201920777788 U CN 201920777788U CN 210154566 U CN210154566 U CN 210154566U
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- gear
- shaft
- measuring
- inverted trapezoidal
- base
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Abstract
A section shrinkage rate testing device comprises a base and a fastening part, wherein a sample after being broken is placed in a groove of a long strip-shaped convex platform of the base, the broken position is aligned, a stud is rotated, a pressing block moves along an inverted trapezoid boss on the base, and the sample is pressed tightly; rotating the right knob, and integrally moving the sliding block until the measuring contact touches the fracture part of the sample; rotating the middle knob, moving the two measuring blocks oppositely to clamp the sample and ensure the sample to be straight; the display displays the section shrinkage factor parameter of the sample after fracture; the device has the characteristics of quick, simple and accurate measurement.
Description
Technical Field
The utility model discloses material science experiment auxiliary assembly technical field, concretely relates to reduction of area factor testing arrangement.
Background
In the process of researching the material performance, the problem of measuring parameters such as shrinkage rate and the like of a round bar sample after fracture is often encountered. Generally, the cross section of a round bar sample after fracture is not uniform, the shrinkage rate after fracture is difficult to measure, two persons are often required to cooperate for measurement, so that the measurement error is large, and the experimental effect is influenced.
Disclosure of Invention
For overcoming the not enough of above-mentioned prior art, the utility model aims to provide a reduction of area testing arrangement through putting up gear train, track as an organic whole, only needs alone can measure round bar sample back cross-section shrinkage factor parameter absolutely fast, accurately through simple operation.
In order to realize the purpose, the utility model discloses a technical scheme is: a device for testing the reduction of area comprises a base, wherein an inverted trapezoidal boss is arranged at the top of the left side of the base, and a pressing block is arranged on the left side of the base through an inverted trapezoidal groove; the left side of the base is provided with a connecting block, the connecting block is connected with a stud, the stud is rotated, and the stud pushes the pressing block to move leftwards or rightwards along the inverted trapezoidal track; a strip-shaped convex block is arranged in the center of the base on the right side of the inverted trapezoidal boss, and a stop block higher than the plane of the convex block is arranged at the right end of the strip-shaped convex block; two ends of the top surface of the lug are respectively provided with a groove; two sides of the convex block are respectively provided with an inverted trapezoidal track parallel to the convex block; the inverted trapezoidal track is connected with the sliding groove at the bottom of the sliding part in a sliding manner; the top of the sliding part is provided with a track, one side of the sliding part is provided with a gear box, and the gear box is provided with an upper hole, a middle hole and a lower hole facing to one side plate of the sliding part; an upper shaft, a middle shaft and a lower shaft are respectively arranged in the upper hole, the middle hole and the lower hole; an upper gear at the right end of the upper shaft is meshed with a middle gear at the right end of the middle shaft, the middle gear is meshed with a lower gear on the lower shaft, a lower shaft base is connected with a gear box at the other side, the right end of the middle shaft is connected with a middle knob outside the gear box, the upper shaft penetrates through an upper hole of the gear box and is in threaded connection with a measuring part, and the bottom of the measuring part is in sliding connection with a track;
a right gear box is arranged on the right side of the base, a left gear and a right gear are arranged in the right gear box, the left gear and the right gear are both meshed with the middle gear, and the other end of the left gear is connected with the right side of the measuring part through a rotating shaft; the right end of the middle gear is connected with a right rotating button outside the right gear box;
a semicircular concave surface is arranged below one opposite side of the two measuring parts, and a measuring contact is arranged on the inner wall of the semicircular concave surface;
a display is placed at the top of the measuring piece, the display is connected with the measuring contact through a line, and the measuring contact has an induction function and can collect related data of the fracture section.
The sliding piece, the gear box, the upper shaft, the middle shaft, the lower gear, the middle gear, the upper gear, the middle knob and the measuring piece form a fastening part.
The slide way of the sliding part is arranged in parallel with the lower shaft and adopts an inverted trapezoidal structure.
The sliding parts are symmetrically distributed.
The measuring contact has elasticity.
The right gear is also connected with the measuring part on the right side of the right gear through a rotating shaft, and the rotating shaft are identical in structure and function.
The utility model has the advantages that:
the utility model discloses meet the problem of measuring the disconnected back shrinkage factor isoparametric of pole sample often to material performance research in-process, provide a reduction of area test device. The gear set and the rail frame are integrated, so that the sectional shrinkage factor parameter of the round bar sample after being broken can be quickly and accurately measured by only one person through simple operation. The measurement of the post-fracture shrinkage rate of the round bar sample is simple and convenient, and the measurement data is more accurate. Compared with the manual measurement of the post-fracture shrinkage rate, the device has the characteristics of high efficiency and high precision.
Drawings
Fig. 1 is the utility model relates to a reduction of area testing arrangement three-dimensional effect picture.
Fig. 2 is the utility model relates to a reduction of area testing arrangement's base and sample schematic diagram.
Fig. 3 is a schematic structural view of the clamping member and the positioning member of the present invention.
Fig. 4 is a schematic view of the measuring member of the present invention.
Fig. 5 is a schematic view of the connecting block of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
See FIGS. 1-5; a section shrinkage rate testing device comprises a base 1 and is characterized in that an inverted trapezoidal boss 2 is arranged at the top of the left side of the base 1, and a pressing block 3 is arranged on the inverted trapezoidal boss 2 on the left side of the base 1 through an inverted trapezoidal groove; the left side of the base 1 is provided with a connecting block 4, the connecting block 4 is connected with a stud 5, the stud 5 is connected to the left side of the pressing block 3 through a straight plate 6, the stud 5 is rotated, and the stud 5 pushes the pressing block 3 to move leftwards or rightwards along the inverted trapezoidal boss 2; a strip-shaped convex block 7 is arranged in the center of the base 1 on the right side of the inverted trapezoidal boss 2, and a stop block 8 higher than the plane of the convex block is arranged at the right end of the strip-shaped convex block 7; the top surface both ends of lug are equipped with a recess 9 respectively, and recess 9 is used for placing sample 32, and rectangular shape lug 7 bilateral distribution symmetry uses one side as the example explanation: one side of the strip-shaped bump 7 is provided with an inverted trapezoidal track 10 parallel to the same; the inverted trapezoidal track 10 is connected with a sliding groove at the bottom of the sliding piece 11 in a sliding manner; the top of the sliding part 11 is provided with a slideway 12, and the measuring part 21 is arranged on the slideway 12. A gear box 31 is arranged on one side of the sliding part 11, and an upper hole, a middle hole and a lower hole are arranged on one side plate of the gear box 31 facing the sliding part 11; an upper shaft 13, a middle shaft 14 and a lower shaft 15 are respectively arranged in the upper hole, the middle hole and the lower hole; a lower gear 16 at the end part of the lower shaft 15 is meshed with a middle gear 17 at the right end of the middle shaft 14, and the middle gear 17 is meshed with an upper gear 18 of the upper shaft 13; the lower shaft 15 passes through the strip-shaped through holes 19 of the two bases 1 and is connected with the gear box at the other side; the middle shaft 14 passes through one side of the gear box 31 to be connected with the middle knob 20, and the upper shaft 13 passes through the hole on the gear box 31 to be connected with the measuring part 21 in a threaded mode.
The right side of base 1 is equipped with right gear case 22, is equipped with left gear 23 and right gear 24 in the right gear case 22, and left gear 23 and right gear 24 all mesh with intermediate gear 25 mutually, and the other end of left gear 23 is through the right side threaded connection of a axis of rotation 27 with measuring part 21, and right gear 24 has the same and connects. The right end of the intermediate gear 25 is connected with a right-hand knob 28 outside the right gearbox 22 through a rotating shaft 26;
a display 30 is placed on the top of the measuring piece 21, the display 30 is connected with the measuring contact 29 through a line, and the measuring contact 29 has a sensing function and can collect related data of the fracture section.
The sliding part 11, the gear box 31, the upper shaft 13, the middle shaft 14, the lower shaft 15, the lower gear 16, the middle gear 17, the upper gear 18, the middle knob 20 and the measuring part 21 form a fastening part.
The slide way 12 of the sliding part 11 is arranged in parallel with the lower shaft 15, and the slide way 12 adopts an inverted trapezoidal structure.
The two fasteners 35 are symmetrically arranged.
The measuring feeler 29 is elastic.
The right gear is also connected with the measuring part 21 on the right side of the right gear through a rotating shaft, and the structure and the function of the rotating shaft and the rotating shaft 27 are the same.
After the sample 32 is broken, the sample 32 is placed in a groove of a raised platform of the base 1, the stud 5 is connected to the left side of the base 1 through the straight plate 6, the stud 5 is rotated, the stud 5 pushes the pressing block 3 to move leftwards or rightwards along the boss 2, and the sample 32 is clamped or released. The rotating shaft 27 is connected to the right side of the measuring member 21 by means of a threaded screw hole, and the rotating shaft is connected to another measuring member 21 by means of a threaded screw hole. The contact part of the measuring piece 21 and the test sample 32 is provided with a measuring contact 29, and the measuring contact 29 has elasticity and can just touch the fracture part of the test sample 32.
The two grooves are used for placing a test sample 32, the stud 5 pushes the pressing block 3 to press the test sample 32, the right knob 28 is rotated, the two measuring pieces 21 are moved to ensure that the two measuring contacts 29 are just positioned at the fracture position of the test sample 32, the middle knob 20 is rotated, the two measuring pieces 21 clamp the test sample 32, and the display reads out required data.
The utility model discloses a theory of operation is:
after the fracture, the sample 32 is placed in the groove of the raised platform of the base 1, the fracture is aligned, the small knob 5 is rotated, and the pressing block 3 moves along the inverted trapezoidal boss 2 on the base 1 to press the sample 32. The right knob 28 is rotated and the fastener 35 is moved as a whole until the measuring contact 29 touches the fracture of the test specimen 32. When the middle knob 20 is rotated, the two measuring blocks 21 move oppositely to clamp the sample 32, so as to ensure the sample 32 to be straight, and at the moment, the display 30 displays parameters such as the section shrinkage rate of the sample 32 after being broken.
Claims (6)
1. A test device for the reduction of area comprises a base (1) and is characterized in that an inverted trapezoidal boss (2) is arranged at the top of the left side of the base (1), and a pressing block (3) is arranged on the inverted trapezoidal boss (2) on the left side of the base (1) through an inverted trapezoidal groove; the left side of the pressing block (3) is provided with a connecting block (4), the connecting block (4) is connected with a stud (5), the stud (5) is fixed on the left side of the pressing block (3) through a screw hole in a straight plate (6), the stud (5) is rotated, and the stud (5) pushes the pressing block (3) to move leftwards or rightwards along the inverted trapezoidal boss (2); a strip-shaped convex block (7) is arranged in the center of the base (1) on the right side of the inverted trapezoidal boss (2), and a stop block (8) higher than the plane of the convex block is arranged at the right end of the strip-shaped convex block (7); two ends of the top surface of the convex block are respectively provided with a groove (9); the two sides of the strip-shaped convex block (7) are symmetrically distributed, and one side of the strip-shaped convex block (7) is provided with an inverted trapezoidal track (10) which is parallel to the strip-shaped convex block; the inverted trapezoidal track (10) is connected with the sliding groove at the bottom of the sliding piece (11) in a sliding manner; the top of the sliding part (11) is provided with a rail-slideway (12), and the measuring part (21) is arranged on the rail-slideway (12); a gear box (31) is arranged on one side of the sliding part (11), and an upper hole, a middle hole and a lower hole are formed in one side plate, facing the sliding part (11), of the gear box (31); an upper shaft (13), a middle shaft (14) and a lower shaft (15) are respectively arranged in the upper hole, the middle hole and the lower hole; a lower gear (16) at the end part of the lower shaft (15) is meshed with a middle gear (17) at the right end of the middle shaft (14), and the middle gear (17) is meshed with an upper gear (18) of the upper shaft (13); the lower shaft (15) passes through the strip-shaped through holes (19) of the two bases (1) and is connected with the gear box on the other side; the middle shaft (14) passes through one side of the gear box (31) and is connected with the middle knob (20), and the upper shaft (13) passes through the hole on the gear box (31) and is in threaded connection with the measuring part (21);
a right gear box (22) is arranged on the right side of the base (1), a left gear (23) and a right gear (24) are arranged in the right gear box (22), the left gear (23) and the right gear (24) are both meshed with the middle gear (25), the other end of the left gear (23) is in threaded connection with the right side of the measuring part (21) through a rotating shaft (27), and the right gear (24) has the same connecting structure as the left gear (23); the middle gear (25) is connected with a right-handed knob (28) through a shaft (26);
a semicircular concave surface (35) matched with the elongated convex block (7) is arranged below one opposite side of the two measuring pieces (21); a measuring contact (29) is arranged on the inner wall of the concave surface (35);
a display (30) is placed at the top of the measuring piece (21), the display (30) is connected with the measuring contact (29) through a line, and the measuring contact (29) has an induction function and can collect related data of the fracture section.
2. The reduction of area test device of claim 1, wherein the sliding member (11), the gear box (31), the upper shaft (13), the middle shaft (14), the lower shaft (15), the lower gear (16), the middle gear (17), the upper gear (18), the middle knob (20), and the measuring member (21) form a fastening member (37).
3. A reduction of area test apparatus as claimed in claim 1 wherein the slide (12) of the slider (11) is parallel to the lower shaft (15), the slide (12) having an inverted trapezoidal configuration.
4. A reduction of area test apparatus as claimed in claim 2 wherein said two fastening members (37) are symmetrically arranged.
5. A reduction of area test device according to claim 1, characterized in that the measuring feeler (29) is elastic.
6. A reduction of area test apparatus as claimed in claim 1 wherein the right gear is also connected to the right side of the measurement member (21) by a shaft, the shaft and shaft (27) being identical in structure and function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777788.5U CN210154566U (en) | 2019-05-28 | 2019-05-28 | Reduction of area testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777788.5U CN210154566U (en) | 2019-05-28 | 2019-05-28 | Reduction of area testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210154566U true CN210154566U (en) | 2020-03-17 |
Family
ID=69760715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920777788.5U Expired - Fee Related CN210154566U (en) | 2019-05-28 | 2019-05-28 | Reduction of area testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210154566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207646A (en) * | 2019-05-28 | 2019-09-06 | 西安石油大学 | A kind of contraction percentage of area test device |
-
2019
- 2019-05-28 CN CN201920777788.5U patent/CN210154566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207646A (en) * | 2019-05-28 | 2019-09-06 | 西安石油大学 | A kind of contraction percentage of area test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 Termination date: 20200528 |