CN205844082U - A kind of experiment auxiliary device detecting concrete splitting tensile strength - Google Patents
A kind of experiment auxiliary device detecting concrete splitting tensile strength Download PDFInfo
- Publication number
- CN205844082U CN205844082U CN201620619173.6U CN201620619173U CN205844082U CN 205844082 U CN205844082 U CN 205844082U CN 201620619173 U CN201620619173 U CN 201620619173U CN 205844082 U CN205844082 U CN 205844082U
- Authority
- CN
- China
- Prior art keywords
- base plate
- auxiliary device
- concrete
- concrete sample
- tensile strength
- 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.)
- Expired - Fee Related
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 28
- 230000000881 depressing effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 39
- 238000010276 construction Methods 0.000 abstract description 8
- 239000000945 filler Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of experiment auxiliary device for detecting concrete splitting tensile strength, including base plate (1) and cover plate (2), described base plate (1) is provided with the lower pad (3) for supporting concrete sample (100) of protrusion, described lower pad (3) has arc-shaped surface, described cover plate (2) is provided with the upper pad (4) for depressing concrete sample (100) of protrusion, described upper pad (4) has arc-shaped surface, described experiment auxiliary device also includes can be to concrete sample (100) location so that it is guaranteed that linear contact lay guarantee the location structure of linear contact lay in the arc top of upper pad (4) and the end face of concrete sample (100) in the arc top of lower pad (3) and the bottom surface of concrete sample (100).This utility model simple in construction, easy to operate, test error is little.
Description
[technical field]
This utility model relates to a kind of device detecting tensile strength, and more specifically a kind of detection concrete splitting resists
The experiment auxiliary device of tensile strength.
[background technology]
Concrete tensile property is one of its basic mechanical character, the most directly measures the examination of concrete axle center tensile property
Testing and have certain difficulty, test data discreteness is relatively big, and therefore general split concrete test cube draws test.
Current splitting draws that test is general to be used filler strip to carry out test cube to split and draw test.At the trial, first will be in molding
The end face of concrete test block and bottom surface draw parallel lines to determine the position of splitting surface, both bothered in the line of test specimen enterprising pedestrian work
There is again the impact of anthropic factor, the precision of impact line, and need again manually to place filler strip during subsequent operation and with
The line alignment drawn, therefore, the position of splitting surface tends not to ensure the center at test specimen, thus affects the accurate of test
Property.During it addition, concrete test block is cut by prior art, it is two filler strips of placement, concrete on one piece of smooth backing plate
Test block is clipped between two filler strips, when being cut from centre by concrete block, it may appear that the skew of filler strip, is difficult to operation, serious shadow
Ring the reliability of tensile splitting strength value, reduced work efficiency and waste the time.So, owing to lacking special splitting
Tensile test auxiliary device, not only causes the biggest difficulty during test implementation, and the error of its test result is the biggest.
Therefore, this utility model is based on above deficiency and produces.
[utility model content]
This utility model purpose is to overcome the deficiencies in the prior art, it is provided that a kind of concrete splitting tensile strength of detecting
Experiment auxiliary device, this device can quickly position concrete sample, meets test standard requirement, and simple in construction, operation
Convenient.Effectively control the horizontal positioned state of test specimen, reach short form test operation sequence, reduce test error, use more
Practical and convenient.
This utility model is achieved through the following technical solutions:
A kind of experiment auxiliary device for detecting concrete splitting tensile strength, it is characterised in that: include base plate 1 and lid
Plate 2, described base plate 1 is provided with the lower pad 3 for supporting concrete sample 100 of protrusion, and described lower pad 3 has circle
Arc surface, described cover plate 2 is provided with the upper pad 4 for depressing concrete sample 100 of protrusion, and described upper pad 4 has
Arc-shaped surface, described experiment auxiliary device is had also to include concrete sample 100 being positioned so that it is guaranteed that the arc top of lower pad 3
With linear contact lay in the bottom surface of concrete sample 100 guarantee linear contact lay in the arc top of upper pad 4 and the end face of concrete sample 100
Location structure.
Experiment auxiliary device for detecting concrete splitting tensile strength as above, it is characterised in that: described
Location structure includes the lower location division 51 being located on base plate 1 and the upper location division 52 being located on cover plate 2.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described is lower fixed
Position portion 51 include protruding from base plate 1 and cross section L-shaped can coordinate with the diagonal angle seamed edge of concrete sample 100 first
Corner baffle 511 and the second corner baffle 512.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described is upper fixed
Position portion 52 include protruding from cover plate 2 and cross section L-shaped the can coordinate with the diagonal angle seamed edge of concrete sample 100 the 3rd
Corner baffle 521 and the 4th corner baffle.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described base plate 1
It is provided with two diagonal brace assemblies 6 that concrete sample 100 opposite flank can be carried out diagonal brace.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described in each
Diagonal brace assembly 6 includes that the bracing frame 61 that one end and base plate 1 are rotationally connected, described bracing frame 61 other end are provided with to be tried with concrete
The supporting part 62 that part 100 is abutted against, is additionally provided with spring 63 between middle part and the base plate 1 of described bracing frame 61.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described base plate 1
Being provided with hold-down support 64, be provided with bolt 65 in described hold-down support 64, one end of described bracing frame 61 is provided with and is set in
Connection ring 66 on bolt 65, described base plate 1 is additionally provided with retainer ring 67, described spring 63 one end and retainer ring 67 phase
Even, the other end is connected in the middle part of bracing frame 61.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described base plate 1
Being formed in one structure with lower pad 3, described cover plate 2 and upper pad 4 are formed in one structure.
The experiment auxiliary device detecting concrete splitting tensile strength as above, it is characterised in that: described base plate
1, lower pad 3, cover plate 2 and upper pad 4 are alloy material and make.
Compared with prior art, this utility model has the following advantages:
1, lower pad of the present utility model and upper pad are respectively provided with arc-shaped surface, when concrete sample is clipped in therebetween
Time lower pad arc top contact with mattess, the arc top of upper pad contacts with the end face of concrete sample.Owing to being circular arc
Surface, so when arc-shaped surface and plane contact, the two position, joint presents linear contact lay, so joining by location structure
Close, make the arc top of lower pad be directed at the bottom surface center line of concrete sample, and make the arc top of pad and the top of concrete sample
Face center line alignment, therefore, lower pad is just formed at the bottom surface midline position of concrete sample and supports, and upper pad is just at coagulation
Formed down at the end face midline position of soil test specimen and press, so that it is guaranteed that the stress of concrete sample heart position wherein, improve examination
The accuracy tested.And clamp concrete sample by the upper pad and lower pad with arc-shaped surface, it is not necessary at coagulation
Center line is drawn in bottom surface and the bottom surface of soil test specimen, thus reduces test error, improves testing efficiency, can be widely used in normal concrete
Split-tension of Rolled performance test, practicality is stronger.
2, base plate of the present utility model is provided with two diagonal brace assemblies that concrete sample opposite flank can carry out diagonal brace,
Each diagonal brace assembly includes that the bracing frame that one end and base plate are rotationally connected, the bracing frame other end are provided with and is abutted against with concrete sample
Supporting part, is additionally provided with spring between middle part and the base plate of bracing frame, owing to bracing frame is oblique to the opposite flank of concrete sample
Support, it is ensured that the concrete sample stable and balance when pressurized, can ensure that the accuracy of result of the test.
3, this utility model simple in construction, easy to operate, it is suitable for popularization and application.
[accompanying drawing explanation]
Fig. 1 is this utility model schematic diagram;
Fig. 2 is the schematic diagram after this utility model clamping concrete sample;
Fig. 3 is the axonometric chart of parts of the present utility model;
Fig. 4 is the schematic diagram of parts of the present utility model.
[detailed description of the invention]
Below in conjunction with the accompanying drawings this utility model is further described:
A kind of experiment auxiliary device for detecting concrete splitting tensile strength, including base plate 1 and cover plate 2, described
Base plate 1 is provided with the lower pad 3 for supporting concrete sample 100 of protrusion, and described lower pad 3 has arc-shaped surface, institute
The cover plate 2 stated is provided with the upper pad 4 for depressing concrete sample 100 of protrusion, and described upper pad 4 has circular arc table
Face, described experiment auxiliary device also includes to position concrete sample 100 so that it is guaranteed that the arc top of lower pad 3 and concrete
In the bottom surface of test specimen 100 linear contact lay and guarantee linear contact lay in the arc top of upper pad 4 and the end face of concrete sample 100 location knot
Structure.
Described location structure includes the lower location division 51 being located on base plate 1 and the upper location division 52 being located on cover plate 2.
Described lower location division 51 include protruding from base plate 1 and cross section L-shaped can be with concrete sample 100
The first corner baffle 511 and the second corner baffle 512 that diagonal angle seamed edge coordinates.
Described upper location division 52 include protruding from cover plate 2 and cross section L-shaped can be with concrete sample 100
3rd corner baffle 521 of diagonal angle seamed edge cooperation and the 4th corner baffle (at the dotted line position in Fig. 1 cover plate 2).
Described base plate 1 is provided with two diagonal brace assemblies 6 that concrete sample 100 opposite flank can carry out diagonal brace.
Each described diagonal brace assembly 6 includes the bracing frame 61 that one end and base plate 1 are rotationally connected, and described bracing frame 61 is another
One end is provided with the supporting part 62 being abutted against with concrete sample 100, is additionally provided with bullet between middle part and the base plate 1 of described bracing frame 61
Spring 63.
Described base plate 1 is provided with hold-down support 64, is provided with bolt 65, described bracing frame in described hold-down support 64
One end of 61 is provided with the connection ring 66 being set on bolt 65, and described base plate 1 is additionally provided with retainer ring 67, described spring 63
One end is connected with retainer ring 67, the other end is connected in the middle part of bracing frame 61.
Described base plate 1 and lower pad 3 are formed in one structure, and described cover plate 2 and upper pad 4 are formed in one knot
Structure.It is respectively adopted absolute construction, cover plate 2 and base plate 1 to alleviate the weight of this utility model device itself, cover plate 2 and base plate 1
Between without attachment structure, the lower pad 3 on base plate 1 is solid construction, and the upper pad 4 on cover plate 2 is also solid construction, the end
Other region on plate 1 is hollow-core construction or flake structure, and other region on cover plate 2 is hollow-core construction or thin slice knot
Structure.
Described base plate 1, lower pad 3, cover plate 2 and upper pad 4 are alloy material and make.It is accordingly possible to ensure structure
While intensity, it is ensured that device will not be because of the test result of impact test of getting rusty.
Operation principle:
When testing, first, this utility model device is placed on the center of testing machine work platforms;Then,
Rotate and pull-up bracing frame 61, thus the concrete sample 100 needing test is placed on described lower pad 3, turn first
Under the effect of angle baffle plate 511 and the second corner baffle 512, make the bottom of concrete sample 100 will not occur the most lateral
Mobile;It follows that cover plate 2 is placed on the top of concrete sample 100, upper pad on cover plate 24 is just and concrete sample
100 end face contacts, concrete sample 100 top is positioned by the 3rd corner baffle 521 and the 4th corner baffle.Due to lower pad 3
With upper pad 4, there is arc-shaped surface, so lower pad 3 just forms linear contact lay with the bottom center of concrete sample 100, and
Upper pad 4 just forms linear contact lay with the end face center line of concrete sample 100.Owing to placed concrete between base plate 1 and cover plate 2
Test specimen 100, so when spring 63 resets and pulls downward on bracing frame 61, the supporting part 62 of bracing frame 61 end is just resisted against mixed
On the side of solidifying soil test specimen 100, owing to diagonal brace assembly 6 is two, and it is resisted against on the opposite flank of concrete sample 100, institute
The stable of concrete sample 100 and balance is kept with diagonal brace assembly 6;Finally, start testing machine, carry out test and load and make cover plate
Press for 2 times, until concrete sample 100 destroys, record failing load, now complete the Split-tension of Rolled of a concrete sample 100
Test.Repeat said process, the splitting tensile test of other concrete sample 100 can be carried out.
In whole process of the test, not only need not manually draw center line in the bottom surface of concrete sample 100 and end face, and
Stable and balance when ensure that concrete sample 100 pressurized in process of the test, it is to avoid the error of some anthropic factors, carries
High test efficiency, reduces test operation difficulty, and this utility model apparatus structure is simple simultaneously, practical.
Claims (9)
1. the experiment auxiliary device being used for detecting concrete splitting tensile strength, it is characterised in that: include base plate (1) and lid
Plate (2), described base plate (1) is provided with the lower pad (3) for supporting concrete sample (100) of protrusion, described underlay
Platform (3) has arc-shaped surface, and described cover plate (2) is provided with the upper pad for depressing concrete sample (100) of protrusion
(4), described upper pad (4) has arc-shaped surface, and described experiment auxiliary device also includes can be fixed to concrete sample (100)
Position is so that it is guaranteed that linear contact lay guarantee the arc top of upper pad (4) in the arc top of lower pad (3) and the bottom surface of concrete sample (100)
With the location structure of linear contact lay in the end face of concrete sample (100).
Experiment auxiliary device for detecting concrete splitting tensile strength the most according to claim 1, it is characterised in that:
Described location structure includes the lower location division (51) being located on base plate (1) and the upper location division (52) being located on cover plate (2).
The experiment auxiliary device of detection concrete splitting tensile strength the most according to claim 2, it is characterised in that: described
Lower location division (51) include protruding from base plate (1) and cross section L-shaped can be with the diagonal angle rib of concrete sample (100)
First corner baffle (511) of limit cooperation and the second corner baffle (512).
4. according to the experiment auxiliary device of the detection concrete splitting tensile strength described in Claims 2 or 3, it is characterised in that:
Described upper location division (52) include protruding from cover plate (2) and cross section L-shaped can right with concrete sample (100)
The 3rd corner baffle (521) and the 4th corner baffle that angle seamed edge coordinates.
5., according to the experiment auxiliary device of the detection concrete splitting tensile strength described in claim 1 or 2 or 3, its feature exists
In: described base plate (1) is provided with two diagonal brace assemblies (6) that concrete sample (100) opposite flank can carry out diagonal brace.
The experiment auxiliary device of detection concrete splitting tensile strength the most according to claim 5, it is characterised in that: each
Described diagonal brace assembly (6) includes the bracing frame (61) that one end and base plate (1) are rotationally connected, described bracing frame (61) other end
It is provided with the supporting part (62) being abutted against with concrete sample (100), also sets between middle part and the base plate (1) of described bracing frame (61)
There is spring (63).
The experiment auxiliary device of detection concrete splitting tensile strength the most according to claim 6, it is characterised in that: described
Base plate (1) be provided with hold-down support (64), be provided with bolt (65), described bracing frame (61) in described hold-down support (64)
One end be provided with the connection ring (66) being set on bolt (65), described base plate (1) is additionally provided with retainer ring (67), described
Spring (63) one end is connected with retainer ring (67), the other end is connected with bracing frame (61) middle part.
8., according to the experiment auxiliary device of the detection concrete splitting tensile strength described in claim 1 or 2 or 3, its feature exists
Being formed in one structure in: described base plate (1) and lower pad (3), described cover plate (2) is formed in one with upper pad (4)
Structure.
9., according to the experiment auxiliary device of the detection concrete splitting tensile strength described in claim 1 or 2 or 3, its feature exists
In: described base plate (1), lower pad (3), cover plate (2) and upper pad (4) are alloy material and make.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620619173.6U CN205844082U (en) | 2016-06-20 | 2016-06-20 | A kind of experiment auxiliary device detecting concrete splitting tensile strength |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620619173.6U CN205844082U (en) | 2016-06-20 | 2016-06-20 | A kind of experiment auxiliary device detecting concrete splitting tensile strength |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205844082U true CN205844082U (en) | 2016-12-28 |
Family
ID=58153350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620619173.6U Expired - Fee Related CN205844082U (en) | 2016-06-20 | 2016-06-20 | A kind of experiment auxiliary device detecting concrete splitting tensile strength |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205844082U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106018068A (en) * | 2016-06-20 | 2016-10-12 | 广州大学 | Test auxiliary device for detecting concrete splitting tensile strength |
CN108709800A (en) * | 2018-08-31 | 2018-10-26 | 中国矿业大学 | A kind of centralising device for concrete sample spilt test |
-
2016
- 2016-06-20 CN CN201620619173.6U patent/CN205844082U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106018068A (en) * | 2016-06-20 | 2016-10-12 | 广州大学 | Test auxiliary device for detecting concrete splitting tensile strength |
CN108709800A (en) * | 2018-08-31 | 2018-10-26 | 中国矿业大学 | A kind of centralising device for concrete sample spilt test |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205844477U (en) | PCB test tool | |
CN205844082U (en) | A kind of experiment auxiliary device detecting concrete splitting tensile strength | |
CN203392468U (en) | Carrier capable of jacking product out automatically | |
CN206208517U (en) | A kind of device for detecting performance of same table table leg | |
CN106018068A (en) | Test auxiliary device for detecting concrete splitting tensile strength | |
CN205749111U (en) | A kind of fixture for welding material shearing test | |
CN206351434U (en) | A kind of front beam and framework panel sub-assembling platform | |
CN208788528U (en) | A kind of fixture is switched fast platform | |
CN203396643U (en) | Cube test block splitting test clamp | |
CN210741426U (en) | PCB (printed circuit board) detection pin jig | |
CN203062319U (en) | Reduction box horizontal seat jig | |
CN207077143U (en) | A kind of apparatus for welding and positioning of ship deck welding | |
CN208140465U (en) | A kind of block compression testing machine | |
CN208229838U (en) | It is a kind of for processing the auxiliary tool of agitating paddle | |
CN201828229U (en) | Inclination gauge | |
CN203062110U (en) | Machine cover edge pre-covering and conveying device | |
CN203758830U (en) | Fixture for detecting concrete splitting tensile strength | |
CN205723457U (en) | A kind of detecting system of bga chip | |
CN214539149U (en) | Detection apparatus for premixed concrete permeability | |
CN201524923U (en) | Small-size workpiece clamp structure of vertical sawing machine | |
CN205027336U (en) | Ball socket of fixed steel ball in roundness measurement | |
CN205537576U (en) | Reinforced concrete drain pipe cover to reinforcement thickness nondestructive test device | |
CN216285170U (en) | Novel spare part detects machine | |
CN203236151U (en) | Safe-welding positioner | |
CN206089970U (en) | Cylinder detection device of great circle machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 |
|
CF01 | Termination of patent right due to non-payment of annual fee |