CN208888244U - Curing concrete contraction distortion test device in a kind of water - Google Patents
Curing concrete contraction distortion test device in a kind of water Download PDFInfo
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- CN208888244U CN208888244U CN201820846267.6U CN201820846267U CN208888244U CN 208888244 U CN208888244 U CN 208888244U CN 201820846267 U CN201820846267 U CN 201820846267U CN 208888244 U CN208888244 U CN 208888244U
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- concrete
- contraction distortion
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- test device
- roller bearing
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Abstract
The utility model discloses curing concrete contraction distortion test devices in a kind of water, belong to concrete performance examination field, including transverse slat, stringer board and roller bearing, the transverse slat connect to form square frame with stringer board head and the tail, lower frame is internally provided with support plate, and square frame is divided into several test modules by the support plate；The roller bearing is arranged in test module, and roller bearing is vertically arranged with stringer board；Concrete sample is arranged on the roller bearing of test module, and the end of concrete sample is provided with concrete test head；The displacement meter of curing concrete contraction distortion test device is arranged on the column on transverse slat in the water, and the absolute altitude conversion ruler is arranged between displacement meter and concrete test head.Curing concrete contraction distortion test device in water provided by the utility model, structurally reasonable, it is convenient to operate, and concrete sample contraction distortion on roller bearing of test module is arranged in, the influence that external disturbance tests concrete shrinkage deformation is reduced, measurement accuracy is improved.
Description
Technical field:
The utility model relates to curing concrete contraction distortions in concrete performance examination field more particularly to a kind of water to survey
Trial assembly is set.
Background technique:
Contraction distortion is the inherent characteristic of cement concrete material, is the main original for causing concrete material performance to deteriorate
Cause.In recent years, cement concrete technology develops to low water binder ratio, high fluidity and high-intensitive direction, and concrete is because of contraction distortion
Excessive and the problem of causing cracking destruction, also becomes more prominent because the reduction of water-cement ratio, the use of high efficiency water reducing agent and
Increase of Slurry transport etc. can aggravate the contraction distortion of concrete significantly.Statistical data show because early-age plastic shrinkage deform and
Crack proportion highest caused by self-constriction deformation.Therefore, it realizes and the deformation of concrete early-age plastic shrinkage and self-constriction is become
The precise measurement of shape has become the important research work of one, engineering research field.
Currently, common concrete shrinkage deformation test device is mostly the either spiral shell for designed by maturing
Rangefinder, foil gauge or strain gauge are revolved, can only just can be carried out test after concrete has some strength, it can not be effective
Test the presclerotic plastic shrinkage deformation of concrete coagulation and self-constriction deformation.Institute is tested in the measurement that concrete free wxpansion is shunk
The instrument of use comes with some shortcomings:
(1) concrete free wxpansion at this stage shrinks tester during the test, and the gravity of concrete sample can be right
The frictional force of vertical direction has an impact, and the accuracy of experimental data can be reduced significantly, concrete sample and extraneous ring
Frictional force between border is larger, and the accuracy of experimental data is caused to decline；
(2) installation and unloading for tester measuring probe during carrying out test of many times that concrete free wxpansion is shunk
It is a more troublesome job, is easily damaged measuring probe.
Summary of the invention:
Of the existing technology to overcome the problems, such as, the purpose of the utility model is to provide curing concretes in a kind of water to shrink
Deformation test device, including transverse slat, stringer board and roller bearing, the transverse slat and stringer board head and the tail are spliced to form square frame, square frame
Be internally provided with support plate, the support plate is vertically set between transverse slat, and square frame is divided into several surveys by support plate
Die trial block；The roller bearing is arranged in test module, and roller bearing is vertically arranged with stringer board；Test module is arranged in concrete sample
On roller bearing, the end of concrete sample is provided with concrete test head；Curing concrete contraction distortion test device in the water
It further include displacement meter, absolute altitude conversion ruler, the displacement meter is arranged on the column on transverse slat, and the absolute altitude conversion ruler setting is in place
It moves between meter and concrete test head.
In some embodiments, the column is threadedly coupled with transverse slat；The column is connected by adapter assembly and displacement meter
It connects.
In some embodiments, the adapter assembly is made of horizontal ring, link block and perpendicular ring, and the horizontal ring passes through link block
It is connect with perpendicular ring, the center line of the horizontal ring and the center line of the perpendicular ring are mutually perpendicular to.
In some embodiments, the horizontal ring is connect with column, and perpendicular ring is connect with displacement meter, the displacement meter on perpendicular ring with it is quiet
The connection of state strain measurement system.
In some embodiments, the link block is flexible piece, and the distance between horizontal ring and perpendicular ring is adjusted.
In some embodiments, the absolute altitude conversion ruler includes Measure Board, top running-on and lower part running-on, the top set
The top of Measure Board is arranged in mouth, and the lower part of Measure Board is arranged in the lower part running-on.
In some embodiments, the top running-on and lower part running-on are blind hole, the aperture of top running-on and displacement meter
End is adapted, and the aperture of the lower part running-on is adapted with the end of concrete test head.
In some embodiments, the roller bearing is parallel to each other, is set in qually spaced in test module；Adjacent test module it
Between roller bearing be staggered.
In some embodiments, the square frame is internally provided with a pair of of support plate, and support plate draws square frame
It is divided into three test modules.
In some embodiments, curing concrete contraction distortion test device further includes electric-control system in the water, packet
Include D/A converter module, signal processing module, memory module and display module；The electric-control system is connect with displacement meter, displacement
Meter measures resulting data-signal and converts by D/A converter module, and signal processing module processing, data-signal is in display module
It shows and is stored in memory module.
Curing concrete contraction distortion test device, structurally reasonable in a kind of water provided by the utility model, and operation is just
Victory has following technical effect that
(1) in the application, the concrete sample of test module is arranged on roller bearing, is acted on and being deformed by internal stress, coagulation
Soil frictional force suffered in free wxpansion contraction process becomes rolling friction, while curing concrete in water by sliding friction
The experiment test specimen frictional force of test instrument for shrinking and deforming reduces, and eliminates the influence of a part of extraneous factor, improves the essence of test
Exactness；
(2) multiple test modules, Ke Yitong is arranged in curing concrete contraction distortion test device in water provided by the present application
The test of the multiple test specimens of Shi Jinhang；And the displacement meter, absolute altitude conversion ruler in the application is easy to install and disassemble, improves test
Efficiency.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of curing concrete contraction distortion test device in a kind of water described in the utility model.
Attached drawing 2 is curing concrete contraction distortion test device in water described in the utility model (being free of concrete sample)
Structural schematic diagram.
Attached drawing 3 is the fixation schematic diagram of the displacement meter of the utility model.
Attached drawing 4 is that the absolute altitude of the utility model converts the structural schematic diagram of ruler.
Attached drawing 5 is the schematic diagram that absolute altitude converts ruler other direction in Fig. 4.
In figure: 1. transverse slats；2. stringer board；3. roller bearing；4. concrete sample；5. concrete test head；6. displacement meter；7. mark
Height conversion ruler, 7-1. Measure Board, the top 7-2. running-on；The lower part 7-3. running-on；8. column；9. horizontal ring；10. link block；11. perpendicular
Ring；12. support plate.
Specific embodiment:
Fig. 1 to Fig. 5 is the accompanying drawings of curing concrete contraction distortion test device in a kind of herein described water, under
Face with specific embodiments and the drawings, is described in detail the application.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, phase
Same reference marker is for indicating identical part.
The accompanying drawings of curing concrete contraction distortion test device in a kind of water, as shown in Figure 1, it specifically includes cross
Plate 1, stringer board 2 and roller bearing 3, the transverse slat 1 connect to form square frame with stringer board 2 from beginning to end, and square frame is internally provided with branch
Fagging 12, the support plate 12 are vertically set between transverse slat 1, and square frame is divided into several test modules by support plate 12；
The roller bearing 3 is arranged in test module, and roller bearing 3 is vertically arranged with stringer board 2；In the embodiment shown in Figure 2, a pair of of stringer board 2
It is arranged between transverse slat 1, square frame is divided into three test modules, can use in water described herein and support in this way
Protect the dependence test that concrete shrinkage deformation test device carries out three concrete samples simultaneously.
In the application, concrete sample 4 is arranged on the roller bearing 3 of test module, and the end of concrete sample 4 is provided with mixed
Solidifying soil measuring head 5；In the water curing concrete contraction distortion test device further include displacement meter 6, absolute altitude conversion ruler 7, it is described
Displacement meter 6 is arranged on the column 8 on transverse slat 1, absolute altitude conversion ruler 7 setting displacement meter 6 and concrete test head 5 it
Between, as shown in Figure 1.
Concrete sample 4 is placed on roller bearing 3, and when concrete sample 4 shrinks deformation, concrete sample 4 is in roller bearing 3
Upper contraction distortion, concrete frictional force suffered in free wxpansion contraction process become rolling friction by sliding friction, mix
The frictional force of solidifying soil test specimen 4 reduces, in this way, effectively reducing the interference of the concrete test of external resistance, improves concrete
The accuracy of contraction distortion test.
The column 8 is threadedly coupled with transverse slat 1, and the column 8 is connect by adapter assembly with displacement meter 6, and upright bar 8 can be with
Facilitate installing and dismounting, improves the installing and dismounting efficiency of displacement meter, facilitate development experimental study.
In the application, the adapter assembly is made of horizontal ring 9, link block 10 and perpendicular ring 11, and the horizontal ring 9 passes through connection
Block 10 is connect with perpendicular ring 11, and the center line of the horizontal ring 9 and the center line of the perpendicular ring 11 are mutually perpendicular to.
Fig. 3 is the fixation schematic diagram of the displacement meter of the utility model, and the horizontal ring 9 is connect with column 8, erects ring 11 and displacement
6 connection of meter, the displacement meter 6 erected on ring 11 are connect with static strain testing system.Displacement meter 6 and static strain testing system connect
Connect, realize the automatic monitoring of concrete shrinkage deformation, in water curing concrete contraction distortion test device may be implemented every
A period of time is once tested automatically, realizes the automation of the contraction distortion measurement of concrete.
In some embodiments, the link block 10 is flexible piece, and the distance between horizontal ring 9 and perpendicular ring 11 is adjusted,
To facilitate the installation of adjustment absolute altitude conversion ruler 7, facilitates and carry out concrete shrinkage test.
Fig. 4 and Fig. 5 is that the absolute altitude of the utility model converts the accompanying drawings of ruler, and it includes Measure Board 7- that absolute altitude, which converts ruler 7,
1, the top of Measure Board 7-1, the lower part running-on is arranged in top running-on 7-2 and lower part running-on 7-3, the top running-on 7-2
The lower part of Measure Board 7-1 is arranged in 7-3.The top running-on 7-2 and lower part running-on 7-3 is blind hole, the aperture of top running-on 7-2
It is adapted with the end of displacement meter 6, the aperture of the lower part running-on 7-3 is adapted with the end of concrete test head 5.
The roller bearing 3 is parallel to each other, is set in qually spaced in test module；Roller bearing 3 between adjacent test module interlocks
Setting.Specifically, mounting hole is provided on stringer board 2 and support plate 12, mounting hole is internally provided with rolling bearing, roller bearing 3
It is vertically mounted between stringer board 2 and support plate 12 or between adjacent shore plates 12；Concrete sample 4 on roller bearing 3 is shunk
When deformation, concrete frictional force suffered in free wxpansion contraction process becomes rolling friction, while water by sliding friction
The experiment test specimen frictional force of middle curing concrete test instrument for shrinking and deforming reduces, and eliminates the influence of a part of extraneous factor, mentions
The high accuracy of test.
In the embodiment shown in fig. 1, the square frame is internally provided with a pair of of support plate 12, the support plate 12
It is vertically set between transverse slat 1, square frame is divided into three test modules by support plate 12.Specifically, in stringer board 2 and support
Mounting hole is set on plate 12, and mounting hole is internally provided with rolling bearing, and roller bearing 3 is installed perpendicular to stringer board 2.Coagulation is conserved in water
In the test module of native contraction distortion test device two sides, roller bearing 3 is vertically mounted between stringer board 2 and support plate 12, intermediate
Roller bearing 3 in test module is mounted between adjacent shore plates 12.Curing concrete, which is shunk, in water described herein in this way becomes
Shape test device can carry out the test of three concrete samples 4 simultaneously.
In the application, transverse slat 1 and stringer board 2 are riveted, and support plate 12 and transverse slat 12 rivet；The stringer board of 4 side of concrete sample
2 also have the function of stopping, and when intentional deformation occurs for concrete sample 4, stringer board 2 can stop concrete sample 4 to deflect away from survey
Die trial block guarantees the safety that concrete test experiment is carried out.
In some embodiments, curing concrete contraction distortion test device further includes electric-control system in the water, packet
Include D/A converter module, signal processing module, memory module and display module；The electric-control system is connect with displacement meter 6, displacement
The 6 resulting data-signal of measurement of meter is converted by D/A converter module, and signal processing module processing, data-signal is in display module
It shows and is stored in memory module.
Compared with prior art, curing concrete contraction distortion test device in a kind of water provided by the utility model, knot
Structure is reasonable, and it is convenient to operate, and concrete sample contraction distortion on roller bearing of test module is arranged in, and concrete is received in free wxpansion
Suffered frictional force becomes rolling friction by sliding friction in compression process, and the frictional force of concrete sample reduces, effectively reduces
The interference of the concrete test of external resistance improves the accuracy of concrete shrinkage deformation test.
The utility model is not limited to above embodiment, anyone can obtain other under the enlightenment of the utility model
Various forms of products, however, make any variation in its shape or structure, it is all with identical or similar to the present application
Technical solution, all fall within the protection scope of the utility model.
Claims (10)
1. curing concrete contraction distortion test device in a kind of water, which is characterized in that including transverse slat (1), stringer board (2) and roller bearing
(3), the transverse slat (1) and stringer board (2) are spliced to form square frame from beginning to end, and square frame is internally provided with support plate (12),
The support plate (12) is vertically set between transverse slat (1), and square frame is divided into several test modules by support plate (12)；Institute
It states roller bearing (3) to be arranged in test module, roller bearing (3) is vertically arranged with stringer board (2)；Concrete sample (4) setting is in test mould
On the roller bearing (3) of block, the end of concrete sample (4) is provided with concrete test head (5)；Curing concrete is shunk in the water
Deformation test device further includes displacement meter (6), absolute altitude conversion ruler (7), the column that the displacement meter (6) is arranged on transverse slat (1)
(8) on, absolute altitude conversion ruler (7) is arranged between displacement meter (6) and concrete test head (5).
2. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the column
(8) it is threadedly coupled with transverse slat (1)；The column (8) is connect by adapter assembly with displacement meter (6).
3. curing concrete contraction distortion test device in water according to claim 2, which is characterized in that the switching group
Part is made of horizontal ring (9), link block (10) Ji Shuhuan (11), and the horizontal ring (9) is connect by link block (10) with perpendicular ring (11),
The center line of the horizontal ring (9) and the center line of the perpendicular ring (11) are mutually perpendicular to.
4. curing concrete contraction distortion test device in water according to claim 3, which is characterized in that the horizontal ring
(9) it is connect with column (8), perpendicular ring (11) are connect with displacement meter (6), erect displacement meter (6) and static strain testing on ring (11)
System connection.
5. curing concrete contraction distortion test device in water according to claim 4, which is characterized in that the link block
(10) it is flexible piece, the distance between horizontal ring (9) and perpendicular ring (11) is adjusted.
6. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the absolute altitude turns
Changing ruler (7) includes Measure Board (7-1), top running-on (7-2) and lower part running-on (7-3), and top running-on (7-2) setting is being marked
The top of ruler plate (7-1), the lower part running-on (7-3) are arranged in the lower part of Measure Board (7-1).
7. curing concrete contraction distortion test device in water according to claim 6, which is characterized in that the top set
Mouth (7-2) and lower part running-on (7-3) are blind hole, and the aperture of top running-on (7-2) is adapted with the end of displacement meter (6), described
The aperture of lower part running-on (7-3) is adapted with the end of concrete test head (5).
8. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the roller bearing
(3) it is parallel to each other, is set in qually spaced in test module；Roller bearing (3) between adjacent test module is staggered.
9. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the square box
Frame is internally provided with a pair of of support plate (12), and square frame is divided into three test modules by support plate (12).
10. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that in the water
Curing concrete contraction distortion test device further includes electric-control system comprising D/A converter module, signal processing module, storage
Module and display module；The electric-control system is connect with displacement meter (6), and displacement meter (6) measures resulting data-signal and passes through number
The conversion of mould conversion module, signal processing module processing, data-signal show in display module and are stored in memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820846267.6U CN208888244U (en) | 2018-06-02 | 2018-06-02 | Curing concrete contraction distortion test device in a kind of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820846267.6U CN208888244U (en) | 2018-06-02 | 2018-06-02 | Curing concrete contraction distortion test device in a kind of water |
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| Publication Number | Publication Date |
|---|---|
| CN208888244U true CN208888244U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820846267.6U Expired - Fee Related CN208888244U (en) | 2018-06-02 | 2018-06-02 | Curing concrete contraction distortion test device in a kind of water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459155A (en) * | 2018-06-02 | 2018-08-28 | 宁夏大学 | Curing concrete contraction distortion test device in a kind of water |
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2018
- 2018-06-02 CN CN201820846267.6U patent/CN208888244U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459155A (en) * | 2018-06-02 | 2018-08-28 | 宁夏大学 | Curing concrete contraction distortion test device in a kind of water |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190521 Termination date: 20210602 |