CN203643266U - High-strength concrete compression test cracking-proofing device - Google Patents
High-strength concrete compression test cracking-proofing device Download PDFInfo
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- CN203643266U CN203643266U CN201420027716.6U CN201420027716U CN203643266U CN 203643266 U CN203643266 U CN 203643266U CN 201420027716 U CN201420027716 U CN 201420027716U CN 203643266 U CN203643266 U CN 203643266U
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Abstract
The utility model provides a high-strength concrete compression test cracking-proofing device, relates to a compression test cracking-proofing device, solving the problems that a protective sleeve of an existing compression test cracking-proofing device is poor in protective effect, easily broken in rubber enclosure and difficult in transportation in the testing process. An upper press plate of a press and a lower press plate of the press are sequentially arranged from top to bottom; an adsorption plate is arranged on the lower end face of the upper press plate of the press; a concrete test piece is arranged between the adsorption plate and the lower press plate of the press; a concrete protective folding screen is enclosed on the outer wall of the concrete test piece, and comprises a plurality of connecting rods, multiple rows of slideways and multiple groups of foldable trusses; multiple rows of slideways are arranged sequentially from top to bottom; the plurality of connecting rods movably arranged on the multiple rows of slideways in a penetrating manner from top to bottom to form multiple lines of connecting rods. The high-strength concrete compression test cracking-proofing device is used in a high-strength concrete compression test.
Description
Technical field
The utility model relates to a kind of anti-cracking device, is specifically related to a kind of High Strength Concrete Under Compressive Cyclic Loading and tests anti-cracking device.
Background technology
Be generally that C60 and above concrete thereof call high-strength concrete strength grade.It is with compounds such as cement, sand, the additional water reducer of stone starting material or additional flyash of while, F breeze, slag, silica flours, obtains high-strength concrete through conventional explained hereafter.High-strength concrete is as a kind of new building materials, and the superiority high with its compressive strength, non-deformability is strong, density is large, porosity is low is widely used in high building structure, long-span bridge girder construction and some unique construction.Along with the development of building cause, high-strength concrete is more and more extensive in the application of field of civil engineering with its superior performance.At present, many buildingss just towards high-strength, greatly across the development of, high-bearing capacity aspect.Therefore, research high-strength concrete has very profound significance.
Based on foregoing, the intensity of measuring high-strength concrete is seemed to particularly important, carrying out in High Strength Concrete Under Compressive Cyclic Loading process of the test, high-strength concrete can burst apart through high pressure, broken concrete can splash to surrounding, easily tester is injured, and the protection cylinder of the anti-cracking device of existing compression test exists protection effect poor in process of the test, rubber shroud is fragile, and is difficult for the problem of transportation.
Utility model content
The purpose of this utility model is that the protection cylinder in order to solve the anti-cracking device of existing compression test exists protection effect poor in process of the test, rubber shroud is fragile, and be difficult for the problem of transportation, and then provide a kind of High Strength Concrete Under Compressive Cyclic Loading to test anti-cracking device.
The technical solution of the utility model is: High Strength Concrete Under Compressive Cyclic Loading is tested anti-cracking device and comprised pressing machine top board, pressing machine lower platen and suction sheet, pressing machine top board and pressing machine lower platen from top to bottom set gradually, suction sheet is arranged on the lower surface of pressing machine top board, the anti-cracking device of described compression test also comprises concrete protection folding exhibition net, concrete sample is arranged between suction sheet and pressing machine lower platen, concrete protection folding exhibition net is around on the outer wall of concrete sample, described concrete protection folding exhibition net comprises many connecting links, many ways and many group telescopic truss, many ways from top to bottom set gradually, many connecting links from top to bottom successively activity be located on many ways, composition multiple row connecting link, described multiple row connecting link sets gradually from left to right, many group telescopic truss and multiple row connecting link arrange separately.
Described many connecting links include upper limit boss, lower limit boss and intermediate bar, and upper limit boss and lower limit boss are arranged on the two ends up and down of intermediate bar, and upper limit boss and lower limit boss are installed on the two ends of every ways.
Described every group of telescopic truss includes multiple telescopics unit, multiple telescopics unit is telescopic connection successively from top to bottom, each telescopic unit includes first connecting rod and second connecting rod, first connecting rod and second connecting rod are arranged in a crossed manner, and described point of crossing is provided with rotating shaft, first connecting rod and second connecting rod upper end are slidably arranged on wherein on a ways, on the next row slideway that first connecting rod and second connecting rod upper end are slidably arranged on wherein a ways is adjacent.
The utility model compared with prior art has following effect:
1. the utility model is provided with concrete protection folding exhibition net; in the time bearing compression test; concrete protection folding exhibition net is in deployed condition; in the time that pressing machine continues to be forced into concrete and bursts apart the limit; concrete protection folding exhibition net is in folded state; and now; concrete protection folding exhibition net after folding; net gap is little; concrete after bursting apart can not collapse concrete protection folding exhibition net, has effectively protected experimental work personnel, prevents bursting apart effective; avoid existing rubber shroud fragile, and be difficult for the problem of transportation.
2. concrete protection of the present utility model folding exhibition net not only has anti-function of bursting apart, but also when being convenient to experimenter observing at any time pressing machine pressurization in experimentation, the whole process that concrete bursts apart.
3. concrete protection folding exhibition net of the present utility model is when folding, and volume is little, is convenient to transportation.
Accompanying drawing explanation
Fig. 1 is the structural representation before the utility model test; Fig. 2 is working state schematic representation of the present utility model; Fig. 3 is that Fig. 1 is at A place enlarged drawing.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 3, present embodiment comprises pressing machine top board 1, pressing machine lower platen 2 and suction sheet 3, pressing machine top board 1 and pressing machine lower platen 2 from top to bottom set gradually, suction sheet 3 is arranged on the lower surface of pressing machine top board 1, the anti-cracking device of described compression test also comprises concrete protection folding exhibition net 4, concrete sample 5 is arranged between suction sheet 3 and pressing machine lower platen 2, concrete protection folding exhibition net 4 is around on the outer wall of concrete sample 5, described concrete protection folding exhibition net 4 comprises many connecting link 4-1, many ways 4-2 and many group telescopic truss 4-3, many ways 4-2 from top to bottom sets gradually, many connecting link 4-1 from top to bottom successively activity be located on many ways 4-2, composition multiple row connecting link, described multiple row connecting link sets gradually from left to right, many group telescopic truss 4-3 and multiple row connecting link arrange separately.
As a kind of optimal way, many connecting link 4-1 of present embodiment include upper limit boss 4-1-1, lower limit boss 4-2-2 and intermediate bar 4-1-3, upper limit boss 4-1-1 and lower limit boss 4-2-2 are arranged on the two ends up and down of intermediate bar 4-1-3, and upper limit boss 4-1-1 and lower limit boss 4-2-2 are installed on the two ends of every ways 4-2.So arrange, effectively guarantee many connecting link 4-1 free-extension in folding exhibition process.
As a kind of optimal way, every group of telescopic truss 4-3 of present embodiment includes multiple telescopics unit 4-4, multiple telescopics unit 4-4 is telescopic connection successively from top to bottom, each telescopic unit 4-4 includes first connecting rod 4-4-1 and second connecting rod 4-4-2, first connecting rod 4-4-1 and second connecting rod 4-4-2 are arranged in a crossed manner, and described point of crossing is provided with rotating shaft, first connecting rod 4-4-1 and second connecting rod 4-4-2 upper end are slidably arranged on wherein on a ways 4-2, on the next row slideway 4-2 that first connecting rod 4-4-1 and second connecting rod 4-4-2 upper end are slidably arranged on wherein a ways 4-2 is adjacent.So arrange, simple in structure, be easy to realize, folding exhibition is effective.
Of the present utility model is to work like this:
Concrete protection folding exhibition net 4 of the present utility model is positioned over to the outside of concrete sample 5, be put in the lump on pressure testing machine lower platen 2, start pressure testing machine, pressing machine lower platen 2 rises, now, concrete protection folding exhibition net 4 is in deployed condition, in the time that pressing machine lower platen 2 rises to certain altitude, suction sheet 2 is fixing by magnetic force and 1 absorption of pressing machine top board, while pressing machine top board 1 promotes suction sheet 3 and concrete protection folding exhibition net 4 vertically declines, until contacting concrete sample 5 upper surfaces completely, pressing machine top board 1 makes concrete sample 5 pressurizeds, concrete sample 5 in compression test process in by pressing machine top board 1, in the space that suction sheet 3 and concrete protection folding exhibition net 4 form, when concrete sample 5 destroys, concrete protection folding exhibition net 4 becomes present folded state from original in deployed condition, under folded state, it is very little very little that the gap of concrete protection folding exhibition net 4 becomes, concrete protection folding exhibition net 4 under the folded state of test specimen fragment that concrete sample 5 bursts apart to surrounding blocks.Effectively preventing bursts apart hurts testing crew.If have tiny disintegrating slag to collapse in test, because tiny disintegrating slag quality is little, collapse near distance, speed is little, therefore can not have influence on experimenter's personal safety.
Claims (3)
1. a High Strength Concrete Under Compressive Cyclic Loading is tested anti-cracking device, it comprises pressing machine top board (1), pressing machine lower platen (2) and suction sheet (3), pressing machine top board (1) and pressing machine lower platen (2) from top to bottom set gradually, suction sheet (3) is arranged on the lower surface of pressing machine top board (1), it is characterized in that: the anti-cracking device of described compression test also comprises concrete protection folding exhibition net (4), concrete sample (5) is arranged between suction sheet (3) and pressing machine lower platen (2), concrete protection folding exhibition net (4) is around on the outer wall of concrete sample (5), described concrete protection folding exhibition net (4) comprises many connecting links (4-1), many ways (4-2) and many group telescopic truss (4-3), many ways (4-2) from top to bottom set gradually, many connecting links (4-1) from top to bottom successively activity be located on many ways (4-2), composition multiple row connecting link, described multiple row connecting link sets gradually from left to right, many group telescopic truss (4-3) arrange separately with multiple row connecting link.
2. High Strength Concrete Under Compressive Cyclic Loading according to claim 1 is tested anti-cracking device, it is characterized in that: described many connecting links (4-1) include upper limit boss (4-1-1), lower limit boss (4-2-2) and intermediate bar (4-1-3), upper limit boss (4-1-1) and lower limit boss (4-2-2) are arranged on the two ends up and down of intermediate bar (4-1-3), and upper limit boss (4-1-1) and lower limit boss (4-2-2) are installed on the two ends of every ways (4-2).
3. High Strength Concrete Under Compressive Cyclic Loading according to claim 2 is tested anti-cracking device, it is characterized in that: described every group of telescopic truss (4-3) includes multiple telescopics unit (4-4), multiple telescopics unit (4-4) is telescopic connection successively from top to bottom, each telescopic unit (4-4) includes first connecting rod (4-4-1) and second connecting rod (4-4-2), first connecting rod (4-4-) 1 and second connecting rod (4-4-2) are arranged in a crossed manner, and described point of crossing is provided with rotating shaft, first connecting rod (4-4-1) and second connecting rod (4-4-2) upper end are slidably arranged on wherein on a ways (4-2), on first connecting rod (4-4-1) and second connecting rod (4-4-2) upper end is slidably arranged on wherein a ways (4-2) is adjacent next row slideway (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027716.6U CN203643266U (en) | 2014-01-16 | 2014-01-16 | High-strength concrete compression test cracking-proofing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027716.6U CN203643266U (en) | 2014-01-16 | 2014-01-16 | High-strength concrete compression test cracking-proofing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643266U true CN203643266U (en) | 2014-06-11 |
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ID=50874501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027716.6U Expired - Fee Related CN203643266U (en) | 2014-01-16 | 2014-01-16 | High-strength concrete compression test cracking-proofing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643266U (en) |
-
2014
- 2014-01-16 CN CN201420027716.6U patent/CN203643266U/en not_active Expired - Fee Related
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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: 20140611 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |