CN209542299U - For testing the device of test specimen tensile strength - Google Patents
For testing the device of test specimen tensile strength Download PDFInfo
- Publication number
- CN209542299U CN209542299U CN201920123940.8U CN201920123940U CN209542299U CN 209542299 U CN209542299 U CN 209542299U CN 201920123940 U CN201920123940 U CN 201920123940U CN 209542299 U CN209542299 U CN 209542299U
- Authority
- CN
- China
- Prior art keywords
- rectangle
- fixator
- mounting plate
- test specimen
- centralizer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Abstract
The utility model discloses a kind of for testing the device of test specimen tensile strength, including top pressurizing device and lower part bogey, top pressurizing device includes rectangle pressure plate, rectangle fixator mounting plate I, extension board, lower part test specimen fixator, lower centralizer and screw thread steel pole I, rectangle pressure plate is in I top of rectangle fixator mounting plate, is fixedly connected between rectangle pressure plate and rectangle fixator mounting plate I by four screw thread steel poles I；Lower part bogey includes rectangular base, rectangle fixator mounting plate II, top test specimen fixator, upper centralizer and screw thread steel pole II, rectangle fixator mounting plate II is between rectangle pressure plate and rectangle fixator mounting plate I, and rectangular base is in I lower section of rectangle fixator mounting plate.Load(ing) point during test can be effectively overcome stress concentration phenomenon occur, by measuring the axial pressure load applied to the present apparatus, to guarantee the accuracy to rock sample tested for tensile strength.
Description
Technical field
The utility model relates to a kind of for testing the device of test specimen tensile strength, belong to rock mechanics experiment technology neck
Domain.
Background technique
Scientific experiment is the basis of rock mechanics development, it includes the measurement of laboratory rock mechanics, model experiment, scene
The experiment in situ of rock mass and monitoring technology, measurement and the measurement of Tectonic Rock Mass of crustal stress etc..The mechanical property of rock is wherein most
Protrusion is exactly the intensity of rock, and the tensile strength of rock is that study of rocks mechanics is inevitable as an important indicator of mechanics
Content.Currently, being mostly used in laboratory indirectly by daraf(reciprocal of farad), the also referred to as tensile strength of split the law measurement test specimen, but this method
Can have load(ing) point during the experiment and stress concentration phenomenon occur, it is less than normal so as to cause the tensile strength measured the problems such as.
Summary of the invention
In view of the above-mentioned problems of the prior art, the utility model provide it is a kind of for testing the dress of test specimen tensile strength
It sets, load(ing) point during test can effectively be overcome stress concentration phenomenon occur, by measuring the axial pressure applied to the present apparatus
Load, to guarantee the accuracy to rock sample tested for tensile strength.
To achieve the goals above, the technical solution adopted in the utility model is: one kind is for testing test specimen tensile strength
Device, including top pressurizing device and lower part bogey,
Top pressurizing device include rectangle pressure plate, rectangle fixator mounting plate I, extension board, lower part test specimen fixator, under
Centralizer and screw thread steel pole I, screw thread steel pole I are four, and rectangle pressure plate is in I top of rectangle fixator mounting plate, and rectangle adds
It is fixedly connected between pressing plate and rectangle fixator mounting plate I by four screw thread steel poles I, makes rectangle pressure plate and rectangle fixator
Mounting plate I is parallel to each other, and four through-holes are opened up on rectangle fixator mounting plate I, and four through-holes are in distributed rectangular, and lower centralizer is solid
It is scheduled on the center of I upper surface of rectangle fixator mounting plate, lower part test specimen fixator is connected to lower centralizer top, and extension board is fixed
In the side of rectangle pressure plate, and extension board upper surface and rectangle pressure plate upper surface are in same plane, extension board upper surface
Equipped with round spirit level；
Lower part bogey include rectangular base, rectangle fixator mounting plate II, top test specimen fixator, upper centralizer and
Screw thread steel pole II, rectangle fixator mounting plate II is between rectangle pressure plate and rectangle fixator mounting plate I, at rectangular base
It is solid by four screw thread steel poles II between rectangle fixator mounting plate II and rectangular base in I lower section of rectangle fixator mounting plate
Fixed connection, and four screw thread steel poles II are each passed through four through-holes of rectangle fixator mounting plate I, make rectangle fixator mounting plate
II is parallel to each other with rectangular base, and upper centralizer is fixed on the center of II lower surface of rectangle fixator mounting plate, and top test specimen is solid
Determine device and is connected to centralizer lower part.
Further, the top test specimen fixator is identical with lower part test specimen fixer structure, middle and upper part test specimen fixator
It is made of fixing seat, specimen holder component I and specimen holder component II, specimen holder component I is fixedly connected with fixing seat, test specimen
Hold assembly II and specimen holder component I form test specimen mounting groove, and specimen holder component II passes through company with I group of specimen holder component
Fitting is fastenedly connected.
Further, the test specimen mounting groove is truncated cone-shaped, and test specimen mounting groove is slightly less than rock far from the diameter of fixing seat one end
The diameter of stone test specimen, the diameter for being slightly larger than rock sample close to the diameter of fixing seat one end.
Further, hinged between the lower part test specimen fixator and lower centralizer；Top test specimen fixator and upper centralizer
Between it is hinged.
Compared with prior art, the utility model combines mode using top pressurizing device and lower part bogey, has
It has the following advantages:
1, the utility model uses upper and lower centralizer, the pressure conversion applied when carrying out mechanical test to rectangle pressure plate
After the pulling force to rock sample, pulling force keeps top test specimen fixator and the test specimen mounting groove of lower part test specimen fixator automatically right
In.
2, the utility model uses round spirit level and carries out horizontal check to the present apparatus, avoids and causes because of angular deviation
Experimental error.
3, the utility model forms the fixed test specimen of test specimen mounting groove using specimen holder component II and specimen holder component I,
Its detachability reduces the operation difficulty of experiment.
4, the test specimen mounting groove in the utility model is truncated cone-shaped, after applying pressure to rectangle pressure plate, the present apparatus
It is converted into the pulling force to test specimen, at this point, rock sample is tightly fixed in test specimen mounting groove, guarantees that rock sample will not occur
Offset, finally makes the tensile strength measured more accurate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model middle and upper part pressurizing device；
Fig. 3 is the structural schematic diagram of the utility model middle and lower part bogey；
Fig. 4 is the connection schematic diagram of upper centralizer and top test specimen fixator in the utility model；
Fig. 5 is the connection schematic diagram of lower centralizer and lower part test specimen fixator in the utility model；
Fig. 6 is the structural schematic diagram of the utility model middle and upper part test specimen fixator.
In figure: 1, top pressurizing device, 1.1, rectangle pressure plate, 1.2, screw thread steel pole I, 1.3, rectangle fixator mounting plate
I, 1.4, lower part test specimen fixator, 2, lower part bogey, 2.1, rectangular base, 2.2, screw thread steel pole II, 2.3, rectangle fixes
Device mounting plate II, 2.4, top test specimen fixator, 2.4.1, fixing seat, 2.4.2, specimen holder component I, 2.4.3, specimen holder
Component II, 3.1, round spirit level, 3.2, extension board, 4.1, lower centralizer, 4.2, upper centralizer.
Specific embodiment
The utility model will be described further below.
As shown, carrying out patent description by top of the top in Fig. 1, the utility model includes top pressurizing device 1
With lower part bogey 2,
Top pressurizing device 1 includes rectangle pressure plate 1.1, rectangle fixator mounting plate I 1.3, extension board 3.2, lower part examination
Part fixator 1.4, lower centralizer 4.1 and screw thread steel pole I 1.2, screw thread steel pole I 1.2 are four, and rectangle pressure plate 1.1 is in square
I 1.3 top of shape fixator mounting plate, passes through four screw-thread steels between rectangle pressure plate 1.1 and rectangle fixator mounting plate I 1.3
Bar I 1.2 is fixedly connected, and rectangle pressure plate 1.1 is made to be parallel to each other with rectangle fixator mounting plate I 1.3, rectangle fixator mounting plate
Four through-holes are opened up on I 1.3, four through-holes are in distributed rectangular, and lower centralizer 4.1 is fixed on rectangle fixator mounting plate I 1.3
The center of upper surface, lower part test specimen fixator 1.4 are connected to lower 4.1 top of centralizer, and extension board 3.2 is fixed on rectangle pressure plate
1.1 side, and 3.2 upper surface of extension board and 1.1 upper surface of rectangle pressure plate are in same plane, 3.2 upper surface of extension board
Equipped with round spirit level 3.1；
Lower part bogey 2 include rectangular base 2.1, rectangle fixator mounting plate II 2.3, top test specimen fixator 2.4,
Upper centralizer 4.2 and screw thread steel pole II 2.2, rectangle fixator mounting plate II 2.3 are in rectangle pressure plate 1.1 and rectangle fixator
Between mounting plate I 1.3, rectangular base 2.1 is in I 1.3 lower section of rectangle fixator mounting plate, rectangle fixator mounting plate II 2.3
It is fixedly connected between rectangular base 2.1 by four screw thread steel poles II 2.2, and four screw thread steel poles II 2.2 are each passed through square
Four through-holes of shape fixator mounting plate I 1.3, make rectangle fixator mounting plate II 2.3 be parallel to each other with rectangular base 2.1, on
Centralizer 4.2 is fixed on the center of II 2.3 lower surface of rectangle fixator mounting plate, and it is right that top test specimen fixator 2.4 is connected to
Middle 4.2 lower part of device.
Further, the top test specimen fixator 2.4 is identical with lower part 1.4 structures of test specimen fixator, middle and upper part test specimen
Fixator 2.4 is made of fixing seat 2.4.1, I 2.4.2 of specimen holder component and II 2.4.3 of specimen holder component, specimen holder portion
I 2.4.2 of part is fixedly connected with fixing seat 2.4.1, and II 2.4.3 of specimen holder component and I 2.4.2 of specimen holder component form test specimen
Mounting groove, II 2.4.3 of specimen holder component and I 2.4.2 of specimen holder component are fastenedly connected by connector.
Further, the test specimen mounting groove is truncated cone-shaped, and diameter of the test specimen mounting groove far from the one end fixing seat 2.4.1 is smaller
Diameter in rock sample, the diameter close to the one end fixing seat 2.4.1 are slightly larger than the diameter of rock sample.
Further, hinged between the lower part test specimen fixator 1.4 and lower centralizer 4.1；2.4 He of top test specimen fixator
It is hinged between upper centralizer 4.2.
The specifically used step of the utility model are as follows: put 2.1 level of rectangular base of the present apparatus, by observing circle water
The position of the present apparatus is adjusted in quasi- instrument 3.1, until round spirit level 3.1 shows that rectangle pressure plate 1.1 is when in a horizontal state
Stop；Then the upper and lower ends of rock sample are fixed with top test specimen fixator 2.4 and lower part test specimen fixator 1.4 respectively and is connected
It connects, applies the pressure of vertical direction to rectangle pressure plate 1.1 after the completion, make top pressurizing device 1 relative to lower part bogey 2
It moves down, and then the distance between rectangle fixator mounting plate I 1.3 and rectangle fixator mounting plate II 2.3 increase, until away from
After increasing to upper centralizer 4.2 and lower 4.1 automatic centering of centralizer, make top test specimen fixator 2.4, lower part test specimen fixator
1.4, rock sample, upper centralizer 4.2 and lower centralizer 4.1 are on same axis, are applied at this time to rectangle pressure plate 1.1
Pressure conversion is the pulling force to rock sample, continues that tension can be carried out to rock sample to the application of rectangle pressure plate 1.1 pressure
The test of intensity.
Claims (4)
1. a kind of for testing the device of test specimen tensile strength, which is characterized in that carried including top pressurizing device (1) and lower part
Device (2),
Top pressurizing device (1) include rectangle pressure plate (1.1), rectangle fixator mounting plate I (1.3), extension board (3.2), under
Portion's test specimen fixator (1.4), lower centralizer (4.1) and screw thread steel pole I (1.2), screw thread steel pole I (1.2) are four, rectangle pressurization
Plate (1.1) is in above rectangle fixator mounting plate I (1.3), rectangle pressure plate (1.1) and rectangle fixator mounting plate I (1.3)
Between be fixedly connected by four screw thread steel poles I (1.2), make rectangle pressure plate (1.1) and rectangle fixator mounting plate I (1.3)
It is parallel to each other, four through-holes is opened up on rectangle fixator mounting plate I (1.3), four through-holes are in distributed rectangular, lower centralizer
(4.1) it is fixed on the center of I (1.3) upper surface of rectangle fixator mounting plate, lower part test specimen fixator (1.4) is connected to lower centering
Device (4.1) top, extension board (3.2) are fixed on the side of rectangle pressure plate (1.1), and extension board (3.2) upper surface and rectangle
Pressure plate (1.1) upper surface is in same plane, and extension board (3.2) upper surface is equipped with round spirit level (3.1)；
Lower part bogey (2) includes rectangular base (2.1), rectangle fixator mounting plate II (2.3), top test specimen fixator
(2.4), upper centralizer (4.2) and screw thread steel pole II (2.2), rectangle fixator mounting plate II (2.3) are in rectangle pressure plate
(1.1) between rectangle fixator mounting plate I (1.3), rectangular base (2.1) is under rectangle fixator mounting plate I (1.3)
Side is fixedly connected between rectangle fixator mounting plate II (2.3) and rectangular base (2.1) by four screw thread steel poles II (2.2),
And four screw thread steel poles II (2.2) are each passed through four through-holes of rectangle fixator mounting plate I (1.3), pacify rectangle fixator
Loading board II (2.3) is parallel to each other with rectangular base (2.1), and upper centralizer (4.2) is fixed on rectangle fixator mounting plate II (2.3)
The center of lower surface, top test specimen fixator (2.4) are connected to centralizer (4.2) lower part.
2. according to claim 1 a kind of for testing the device of test specimen tensile strength, which is characterized in that the top examination
Part fixator (2.4) is identical with lower part test specimen fixator (1.4) structure, and middle and upper part test specimen fixator (2.4) is by fixing seat
(2.4.1), specimen holder component I (2.4.2) and specimen holder component II (2.4.3) composition, specimen holder component I (2.4.2)
It is fixedly connected with fixing seat (2.4.1), specimen holder component II (2.4.3) and specimen holder component I (2.4.2) composition test specimen peace
Tankage, specimen holder component II (2.4.3) are fastenedly connected with specimen holder component I (2.4.2) by connector.
3. according to claim 2 a kind of for testing the device of test specimen tensile strength, which is characterized in that the test specimen peace
Tankage is truncated cone-shaped, and test specimen mounting groove is slightly less than the diameter of rock sample far from the diameter of the one end fixing seat (2.4.1), close to solid
The diameter of the one end reservation (2.4.1) is slightly larger than the diameter of rock sample.
4. according to claim 1 a kind of for testing the device of test specimen tensile strength, which is characterized in that the lower part examination
It is hinged between part fixator (1.4) and lower centralizer (4.1)；Between top test specimen fixator (2.4) and upper centralizer (4.2)
Hingedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123940.8U CN209542299U (en) | 2019-01-24 | 2019-01-24 | For testing the device of test specimen tensile strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123940.8U CN209542299U (en) | 2019-01-24 | 2019-01-24 | For testing the device of test specimen tensile strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209542299U true CN209542299U (en) | 2019-10-25 |
Family
ID=68271324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123940.8U Active CN209542299U (en) | 2019-01-24 | 2019-01-24 | For testing the device of test specimen tensile strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209542299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632491A (en) * | 2019-01-24 | 2019-04-16 | 湖南科技大学 | It is a kind of for testing the device and its application method of test specimen tensile strength |
| CN111735704A (en) * | 2020-08-03 | 2020-10-02 | 矿冶科技集团有限公司 | Mine filling body tensile strength testing device and method |
-
2019
- 2019-01-24 CN CN201920123940.8U patent/CN209542299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632491A (en) * | 2019-01-24 | 2019-04-16 | 湖南科技大学 | It is a kind of for testing the device and its application method of test specimen tensile strength |
| CN111735704A (en) * | 2020-08-03 | 2020-10-02 | 矿冶科技集团有限公司 | Mine filling body tensile strength testing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210364418A1 (en) | Debonding test apparatus for measuring bond strength to concrete | |
| CN209542299U (en) | For testing the device of test specimen tensile strength | |
| CN104913974A (en) | Material micro-mechanical property biaxial tension-fatigue test system and test method thereof | |
| CN103822825A (en) | Automatic timing device for constant load tensile testing equipment | |
| CN207439813U (en) | A kind of vertical tensile test apparatus containing tencel cloth fixture | |
| CN109060555B (en) | Concrete creep testing device and analysis method based on four-point bending loading | |
| CN107941610A (en) | A kind of high molecular material ageing-resistant performance evaluation test method and device | |
| CN213903163U (en) | Socket joint type disc buckle type steel pipe support component strength testing device | |
| CN108195679A (en) | A kind of device and test method for measuring wire rod tiny sample tensile strength | |
| CN111751276A (en) | Loading device and method for bonding performance test of reinforcement and confined concrete | |
| CN107831064A (en) | A kind of vertical tensile test apparatus containing tencel cloth fixture | |
| CN211955007U (en) | Novel concrete axial tension test device | |
| KR101194683B1 (en) | Testing device for tensile stress and fracture characteristics of solar cell module | |
| CN106896025B (en) | Test method for cemented joint subsurface fatigue crack expanding test test macro | |
| CN210014995U (en) | Simple horizontal tensile test device for magnetic signal measurement | |
| CN109632491A (en) | It is a kind of for testing the device and its application method of test specimen tensile strength | |
| CN207396214U (en) | Tensile Strength of Rock measurement device in laboratory | |
| CN108225261B (en) | Pile top and pile end settlement simultaneous observation device and method for pile foundation model test | |
| CN202710409U (en) | Space-variable pulling tester for bond stress of reinforcing steel bars | |
| CN108593433A (en) | A kind of test device and its test method of the rocks in direct tension under water environment | |
| CN112097964B (en) | Device and method for detecting prestress of threaded steel bar based on magnetic flux test | |
| CN108225927A (en) | A kind of intelligent reaction frame and test device for pull-out test | |
| CN210108832U (en) | A novel direct tensile test device for concrete sample | |
| CN220455225U (en) | Acoustic emission multi-probe auxiliary positioning device for Brazilian split test | |
| CN207232096U (en) | A kind of transducer clamping auxiliary device for ultrasonic defect detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |