CN107632143A - A kind of concrete shrinkage tester - Google Patents
A kind of concrete shrinkage tester Download PDFInfo
- Publication number
- CN107632143A CN107632143A CN201711024486.2A CN201711024486A CN107632143A CN 107632143 A CN107632143 A CN 107632143A CN 201711024486 A CN201711024486 A CN 201711024486A CN 107632143 A CN107632143 A CN 107632143A
- Authority
- CN
- China
- Prior art keywords
- slide
- plate
- data
- fixed dam
- backing plate
- 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.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to engineering goods technical field, especially a kind of concrete shrinkage tester, including backing plate, one end of backing plate is welded with fixed dam, the side both ends that fixed dam is located at backing plate are welded with apron strip, the one end of apron strip away from fixed dam is provided with slide damper, backing plate both sides are provided with three pairs of supporting plates, slide roller is equipped between each pair supporting plate, the side that slide damper corresponds to fixed dam is welded with slide plate, slide plate, which is taken, to be placed in slide roller, the one end of backing plate away from fixed dam is provided with limiting plate, slide damper is provided with slide post, slide post is set through limiting plate, and slide post is provided with spring, plugged on slide damper and be fixed with displacement meter, displacement meter is connected with data analysis set-up by wire, data analysis set-up is connected with computer by wire.The present invention can significantly improve the reliability of experimental data, and the experiment conclusion drawn has higher value.
Description
Technical field
The present invention relates to engineering goods technical field, more particularly to a kind of concrete shrinkage tester.
Background technology
At present, instrument has the defects of bigger, wherein coagulation used by the determination test that concrete free wxpansion is shunk
Frictional force between native test specimen and external environment is larger, causes the accuracy of experimental data to decline, and concrete free wxpansion is shunk
Installation and the unloading of tester measuring probe during test of many times is carried out be a cumbersome job, be easily damaged
Measuring probe, concrete free wxpansion at this stage shrink tester during experiment, and the gravity of concrete sample can be to hanging down
Nogata to frictional force have an impact, the accuracy of experimental data can be reduced significantly.
The content of the invention
The shortcomings that accuracy the invention aims to solve to exist in the prior art measurement data is low, and propose
A kind of concrete shrinkage tester.
To achieve these goals, present invention employs following technical scheme：
A kind of concrete shrinkage tester, including backing plate are designed, one end of the backing plate is welded with fixed dam vertically, institute
State fixed dam and be located at the side both ends of the backing plate and be welded with apron strip, the apron strip away from the fixed dam one
End is provided with slide damper, and the position of corresponding two apron strips of the slide damper offers sliding eye vertically, and the apron strip is worn
The sliding eye to be crossed to set, the backing plate both sides are simultaneously provided with three pairs of supporting plates between the fixed dam and slide damper,
Three pairs of supporting plates are evenly distributed, and slide roller is equipped between supporting plate described in each pair, and the both ends of slide roller are consolidated by bearing
Fixed the side that the slide damper correspond to the fixed dam is welded with slide plate on the supporting plate, described in the slide plate is taken and is placed on
In slide roller, and the one end of the slide plate away from slide damper is set through the fixed dam, and the backing plate is away from described
One end of fixed dam is provided with limiting plate, and side of the slide damper away from slide plate is fixed with slide post, the slide post
Set through the limiting plate, spring is provided between the slide damper and limiting plate, the spring is set in the slide post
On, through hole is provided with the slide damper and positioned at the top of the slide post, is plugged in through hole and is fixed with displacement meter displacement meter,
The displacement meter is connected with data analysis set-up by wire, and the data analysis set-up is connected with computer by wire.
Preferably, the backing plate bottom four corners position is provided with horizontal adjustment block.
Preferably, the slide plate center is provided with bubble and scale, and the bubble and scale is embedded in the cunning
In plate, bubble and scale upper surface and slide plate upper surface flush.
Preferably, be provided with data analysis system in the data analysis set-up, the data analysis system including processor,
Data transmission blocks, power module, data analysis module, data processing module, the A/D data being electrically connected with the processor
Modular converter, the A/D data conversion modules are electrically connected with data amplification module, and the data amplification module is electrically connected with
Data acquisition module, the data acquisition module are connected on the displacement meter by wire, the data transmission blocks and electricity
Source module is electrically connected with computers.
Preferably, the end of each apron strip is equipped with the first limited block.
Preferably, the end of the slide plate is provided with the second limited block.
Preferably, the surface of the slide plate is shiny surface structure.
A kind of concrete shrinkage tester proposed by the present invention, beneficial effect are：The present invention is by slide plate using slip
Roller supports, and concrete frictional force suffered in free wxpansion contraction process becomes rolling friction by sliding friction, so as to disappear
The influence of boundary's factor except for a part thereof；The level of experiment test specimen can be adjusted by the horizontal adjustment block of backing plate bottom, is ensured
The contraction displacement that the gravity of concrete determines direction for experiment will not have an impact, and can significantly improve the reliable of experimental data
Property, the experiment conclusion drawn has higher value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of concrete shrinkage tester proposed by the present invention；
Fig. 2 is a kind of cross section structure diagram of concrete shrinkage tester proposed by the present invention；
Fig. 3 is the system block diagram of data analysis set-up proposed by the present invention.
In figure：Backing plate 1, fixed dam 2, apron strip 3, supporting plate 4, slide roller 5, slide damper 6, sliding eye 7, slide plate 8,
Limiting plate 9, slide post 10, spring 11, displacement meter 12, data analysis set-up 13, the first limited block 14, the second limited block 15, water
Heibei provincial opera locking nub 16, bubble and scale 17.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-3, a kind of concrete shrinkage tester, including backing plate 1, one end of backing plate 1 are welded with fixed gear vertically
Plate 2, the effect of fixed dam 2 can not change on this direction again in concrete sample in free wxpansion contraction process, Gu
Determine baffle plate 2 and be located at the side both ends of backing plate 1 to be welded with apron strip 3, the one end of apron strip 3 away from fixed dam 2, which is provided with, to be slided
Baffle plate 6, the end of each apron strip 3 are equipped with the first limited block 14, and the first limited block 14 plays spacing effect, slide damper
The position of 6 corresponding two apron strips 3 offers sliding eye 7 vertically, and apron strip 3 is set through sliding eye 7, the both sides of backing plate 1 and position
Three pairs of supporting plates 4 are provided between fixed dam 2 and slide damper 6, three pairs of supporting plates 4 are evenly distributed, between each pair supporting plate 4
Slide roller 5 is equipped with, the both ends of slide roller 5 are fixed in supporting plate 4 by bearing, and the effect of slide roller 5 is concrete
Free wxpansion shrinks the frictional force type that is subject to and belongs to rolling friction, and frictional resistance reduces, so as to eliminate it is a part of it is extraneous because
The influence of element, improves the accuracy of DATA REASONING, and the side of the corresponding fixed dam 2 of slide damper 6 is welded with slide plate 8, slide plate 8
Take and be placed in slide roller 5, and the one end of slide plate 8 away from slide damper 6 is set through fixed dam 2, and the end of slide plate 8 is provided with
Second limited block 15, the second limited block 15 play spacing effect, and the surface of slide plate 8 is shiny surface structure, the shiny surface knot of slide plate 8
Structure, effectively reduces frictional force, and rubbing of being subject to is shunk in the free wxpansion of effect concrete in being tested in concrete shrinkage of slide plate 8
Power is wiped to reduce.
The one end of backing plate 1 away from fixed dam 2 is provided with limiting plate 9, and side of the slide damper 6 away from slide plate 8 is fixed with
Slide post 10, slide post 10 are set through limiting plate 9, and spring 11 is provided between slide damper 6 and limiting plate 9, and spring 11 is arranged
On slide post 10, slide damper 6 can measure various sizes of mixed mud block in the presence of spring 11, make its measurement more
Flexibly, slide damper is after concrete sample is put between fixed dam 2 and slide damper 6, fixed displacement on slide damper
Meter position is constant, ensures that the position of different concrete samples measure is identical, has higher relative value.
Through hole is provided with slide damper 6 and positioned at the top of slide post 10, is plugged in through hole and is fixed with displacement meter 12, through hole
Facilitate the dismounting of displacement meter 12, the effect of displacement meter 12 is to determine concrete sample in free wxpansion contraction process middle position
The situation of change of shifting, displacement meter 12 are connected with data analysis set-up 13 by wire, and data analysis set-up 13 is connected by wire
There is computer, data analysis system is provided with data analysis set-up 13, data analysis system includes processor, electrically connected with processor
The data transmission blocks that connect, power module, data analysis module, data processing module, A/D data conversion modules, A/D data turn
Mold changing block is electrically connected with data amplification module, and data amplification module is electrically connected with data acquisition module, data acquisition module
It is connected to by wire on displacement meter 12, data transmission blocks and power module are electrically connected with computers, and power module is place
Manage device and power resources are provided, data acquisition module gathers the data of the free wxpansion contraction of concrete by displacement meter 12, by number
It is amplified according to by data amplification module, the data after amplification carry out data conversion by A/D data conversion modules, will change
Data afterwards by the data analysis module on processor and data processing module to handling, processor will it is treated after
Information is sent on computer by data transmission blocks and carries out display preservation, according to the program circuit of setting, time rank at equal intervals
Section measure delta data and the datagram that the free wxpansion contraction of concrete is drawn out by computer progress Treatment Analysis, computer
Effect be store data analysis system transmission come concrete sample shrink displacement delta data, while to data with existing at
Reason is analyzed and compared, and draws more accurate reliable conclusion (of pressure testing).
The bottom four corners position of backing plate 1 is provided with horizontal adjustment block 16, and the center of slide plate 8 is provided with bubble and scale 17, gas
Bubble-type level gauge 17 is embedded in slide plate 8, the upper surface of bubble and scale 17 and the upper surface flush of slide plate 8, horizontal adjustment block 16
Effect with bubble and scale 17 ensures concrete keep level in being tested in concrete shrinkage, and the deadweight of concrete will not
The change in determining displacement direction is influenceed, the reliability of experimental data can be significantly improved, the experiment conclusion drawn has higher valency
Value.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of concrete shrinkage tester, including backing plate (1), it is characterised in that one end of the backing plate (1) is welded with vertically
Fixed dam (2), the side both ends that the fixed dam (2) is located at the backing plate (1) are welded with apron strip (3), the gear
The one end of lath (3) away from the fixed dam (2) is provided with slide damper (6), corresponding two apron strips of the slide damper (6)
(3) position offers sliding eye (7) vertically, and the apron strip (3) is set through the sliding eye (7), the backing plate (1) two
Side is simultaneously provided with three pairs of supporting plates (4) between the fixed dam (2) and slide damper (6), and three pairs of supporting plates (4) are equal
Even arrangement, slide roller (5) is equipped between supporting plate (4) described in each pair, the both ends of slide roller (5) are fixed on support by bearing
On plate (4), the side of the corresponding fixed dam (2) of the slide damper (6) is welded with slide plate (8), and the slide plate (8), which is taken, puts
In the slide roller (5), and the one end of the slide plate (8) away from slide damper (6) is set through the fixed dam (2)
Put, the one end of the backing plate (1) away from the fixed dam (2) is provided with limiting plate (9), and the slide damper (6) is away from slide plate
(8) side is fixed with slide post (10), and the slide post (10) is set through the limiting plate (9), the slide damper
(6) spring (11) is provided between limiting plate (9), the spring (11) is set on the slide post (10), described to slide gear
Through hole is provided with plate (6) and positioned at the top of the slide post (10), is plugged in through hole and is fixed with displacement meter (12), the displacement
Meter (12) is connected with data analysis set-up (13) by wire, and the data analysis set-up (13) is connected with computer by wire.
A kind of 2. concrete shrinkage tester according to claim 1, it is characterised in that backing plate (1) bottom four corners
Position is provided with horizontal adjustment block (16).
A kind of 3. concrete shrinkage tester according to claim 1, it is characterised in that slide plate (8) center
Provided with bubble and scale (17), the bubble and scale (17) is embedded in the slide plate (8), bubble and scale (17)
Upper surface and slide plate (8) upper surface flush.
A kind of 4. concrete shrinkage tester according to claim 1, it is characterised in that the data analysis set-up (13)
Interior to be provided with data analysis system, the data analysis system includes processor, sent with the data that the processor is electrically connected with
Module, power module, data analysis module, data processing module, A/D data conversion modules, the A/D data conversion modules electricity
Property is connected with data amplification module, and the data amplification module is electrically connected with data acquisition module, the data acquisition module
It is connected to by wire on the displacement meter (12), the data transmission blocks and power module are electrically connected with computers.
5. a kind of concrete shrinkage tester according to claim 1, it is characterised in that each apron strip (3)
End is equipped with the first limited block (14).
6. a kind of concrete shrinkage tester according to claim 1, it is characterised in that the end of the slide plate (8) is set
There is the second limited block (15).
7. a kind of concrete shrinkage tester according to claim 1, it is characterised in that the surface of the slide plate (8) is
Shiny surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024486.2A CN107632143A (en) | 2017-10-27 | 2017-10-27 | A kind of concrete shrinkage tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024486.2A CN107632143A (en) | 2017-10-27 | 2017-10-27 | A kind of concrete shrinkage tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107632143A true CN107632143A (en) | 2018-01-26 |
Family
ID=61105719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711024486.2A Pending CN107632143A (en) | 2017-10-27 | 2017-10-27 | A kind of concrete shrinkage tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107632143A (en) |
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 |
-
2017
- 2017-10-27 CN CN201711024486.2A patent/CN107632143A/en active Pending
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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105320596B (en) | A kind of bridge deflection test method and its system based on inclinator | |
| CN206208221U (en) | Engineering planeness measuring apparatus | |
| CN104165824A (en) | Automatic penetration tester | |
| CN103940847A (en) | Anisotropy film heat conductivity testing method and device based on heat flux sensors | |
| CN205580318U (en) | Measuring device | |
| CN108132212A (en) | A kind of device and assay method for measuring loess-concrete surface friction coefficient | |
| CN105507163A (en) | Device for discriminating swivel bridge weighing test critical point and detection method | |
| CN107632143A (en) | A kind of concrete shrinkage tester | |
| CN207318494U (en) | A kind of concrete shrinkage tester | |
| CN106153248A (en) | A kind of high accuracy static three-dimensional force sensor caliberating device | |
| CN205152813U (en) | A equipment for turning bridge weighing test faces boundary point and differentiates | |
| CN102788548A (en) | Steel band planeness test device | |
| CN204027967U (en) | Automatic cone penetration analyzer | |
| CN207866684U (en) | A kind of device measuring loess-concrete surface friction coefficient | |
| JP2006058035A (en) | Detection output processing method of load cell sensor and electronic balance using the method | |
| CN204085365U (en) | The portable detector of the adjacent shelves jitter values of shaft forgings | |
| CN206208449U (en) | A kind of high accuracy static three-dimensional force sensor caliberating device | |
| CN109374204A (en) | Three floating instrument float assembly balance detecting devices of one kind and method | |
| CN206038496U (en) | Consolidation apparatus that measuring aperture was pressed | |
| CN103558092A (en) | Photoelastic sensors and test device for testing earth pressure coefficient at rest of earth body | |
| CN104568597B (en) | Device and method for measuring elasticity modulus of metal wires by using standard wires | |
| TW200724853A (en) | Measuring system with zero Abbe error and method thereof | |
| DE202006009239U1 (en) | Portable inclinometer | |
| KR101688802B1 (en) | Armor Plate Durability Inspection Equipment | |
| CN107437358A (en) | A kind of automatic checking acceleration of gravity testing stand unrelated with mass of object |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |