CN206740037U - A kind of concrete shrinkage dilatometer - Google Patents
A kind of concrete shrinkage dilatometer Download PDFInfo
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- CN206740037U CN206740037U CN201720550228.7U CN201720550228U CN206740037U CN 206740037 U CN206740037 U CN 206740037U CN 201720550228 U CN201720550228 U CN 201720550228U CN 206740037 U CN206740037 U CN 206740037U
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- gauge head
- discharging frame
- test specimen
- concrete shrinkage
- shaped groove
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Abstract
The utility model provides a kind of concrete shrinkage dilatometer, including being connected with support bar between base, discharging frame, the base and the discharging frame, the discharging frame is provided with upper gauge head, lower gauge head, the upper gauge head top is connected with amesdial, the amesdial probe contacts with the upper gauge head, the discharging frame is provided with V-shaped groove, and the V-shaped groove is provided with roller, and the roller axis is vertical with the V-shaped groove length direction.Support bar is used to discharging frame being obliquely installed, ensure that test specimen keeps good contact with upper and lower gauge head, test specimen is placed directly between the upper gauge head of discharging frame, lower gauge head, the length of test specimen can be measured, also piece lengths can be changed and continued to monitor, V-shaped groove can stablize the position of test specimen, make test specimen and discharging frame length direction keeping parallelism, roller can reduce the frictional resistance between test specimen and discharging frame, reduce influence of the friction to length change, efficient and convenient, the degree of accuracy is high.
Description
Technical field
It the utility model is related to a kind of concrete shrinkage dilatometer.
Background technology
Concrete is current very important civil engineering material, refers to and makees binder materials with cement, sand, masonry aggregate, with
Water coordinates by a certain percentage, it is agitated obtained by cement concrete.Because concrete has compression strength height, good endurance, into
This is low, therefore is widely used in civil engineering.
Concrete load or humiture effect under can be deformed, mainly including elastic deformation, plastic deformation, contraction and
Temperature deformation etc..Due to cubic deformations caused by reason such as hydrated cementitious, the carbonization of Behavior of Hardened Cement Paste and dehydrations, referred to as shrink.Coagulation
The quality safety that the accuracy of expansion and the contraction test of soil will directly affect architectural engineering is evaluated.
Measurement test specimen be present and not close, artificial reading contacted with measuring instrumentss in concrete shrinkage dilatometer in the market
Easily cause error, it is impossible to measurement result is monitored for a long time.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model there is provided a kind of concrete shrinkage expansion
Instrument.
To reach above-mentioned purpose, technical scheme is used by the utility model solves its technical problem：A kind of concrete
Support bar is connected between convergent-divergent instrument, including base, discharging frame, the base and the discharging frame, on the discharging frame
Provided with upper gauge head, lower gauge head, the upper gauge head top is connected with amesdial, and the amesdial probe contacts with the upper gauge head,
The discharging frame is provided with V-shaped groove, and the V-shaped groove is provided with roller, and the roller axis is hung down with the V-shaped groove length direction
Directly.
Compared to prior art, support bar is used to discharging frame being obliquely installed the utility model, it is ensured that test specimen with it is upper and lower
Gauge head keeps good contact, and test specimen is placed directly between the upper gauge head of discharging frame, lower gauge head, you can measures test specimen
Length, piece lengths can also be changed and continued to monitor, efficient and convenient, the degree of accuracy is high, and V-shaped groove can stablize test specimen
Position, make test specimen and discharging frame length direction keeping parallelism, roller can reduce the frictional resistance between test specimen and discharging frame, subtract
Influence of the small friction to length change, improve the degree of accuracy of determination data.
Further, in addition to par, the par may be provided between the upper gauge head, lower gauge head.
Using above-mentioned preferable scheme, par is used for school zero, makes test result more accurate.
Further, the support bar is provided with height adjustment mechanism.
Further, the discharging frame and the base angle are 20-40 °.
Using above-mentioned preferable scheme, support bar highly can be adjusted for height adjustment mechanism, so as to change blowing
The angle of frame and base, to meet different test condition requirements.
Further, it is connected with displacement transducer between the upper gauge head and the lower gauge head.
Further, in addition to data recording equipment, the data recording equipment are connected with the displacement transducer signal.
Using above-mentioned preferable scheme, data recording equipment is directly adopted piece lengths data by displacement transducer
Collection, can directly make piece lengths and the variation relation of time.
Further, the base is provided with groove, and the support bar can be placed into the groove.
Using above-mentioned preferable scheme, it can conveniently arrange, improve portability.
Further, the base is provided with level(l)ing device and horizontal instruction device.
Using above-mentioned preferable scheme, the horizontal level of base can be adjusted, improve measuring accuracy.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of the utility model；
Fig. 2 is a kind of structural representation of embodiment of the utility model discharging frame.
Numeral and the title of the corresponding component represented by letter in figure：
1- bases；2- discharging frames；21-V shape grooves；22- rollers；3- support bars；31- height adjustment mechanisms；The upper gauge heads of 4-；5-
Lower gauge head；6- amesdials；7- pars；8- displacement transducers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, between a kind of concrete shrinkage dilatometer, including base 1, discharging frame 2, base 1 and discharging frame 2
Support bar 3 is connected with, discharging frame 2 is provided with upper gauge head 4, lower gauge head 5, and the upper top of gauge head 4 is connected with amesdial 6, and amesdial 6 is visited
Head contacts with upper gauge head 4, and discharging frame 2 is provided with V-shaped groove 21, and V-shaped groove 21 is provided with roller 22, the axis of roller 22 and V-shaped groove 21
Length direction is vertical.
It is using the beneficial effect of above-mentioned technical proposal：Support bar be used for discharging frame is obliquely installed, it is ensured that test specimen and
Upper and lower gauge head keeps good contact, and test specimen is placed directly between the upper gauge head of discharging frame, lower gauge head, you can measure by
The length of test block, piece lengths can also be changed and continued to monitor, efficient and convenient, V-shaped groove can stablize test specimen
Position, make test specimen and discharging frame length direction keeping parallelism, improve the degree of accuracy of determination data, roller reduces test specimen and discharging frame
Between frictional resistance, reduce influence of the friction to length change, the degree of accuracy is high.
In other embodiments of the present utility model, in order to reach the purpose in school zero, in addition to par 7, standard
Bar 7 may be provided between gauge head 4, lower gauge head 5.It is using the beneficial effect of above-mentioned technical proposal：Par is used for school zero, makes
Test result is more accurate.
In other embodiments of the present utility model, in order to reach the purpose of regulation discharging frame angle, on support bar 3
Provided with height adjustment mechanism 31；Discharging frame 2 is 20-40 ° with the angle of base 1.Using the beneficial effect of above-mentioned technical proposal
It is：Support bar highly can be adjusted for height adjustment mechanism, so as to change the angle of discharging frame and base, to meet difference
Test condition requirement.
In other embodiments of the present utility model, in order to reach the purpose of record piece lengths change, upper gauge head 4
Displacement transducer 8 is connected between lower gauge head 5；Also include data recording equipment, the data recording equipment passes with the displacement
Sensor signal 8 connects.It is using the beneficial effect of above-mentioned technical proposal：Data recording equipment will directly be tried by displacement transducer
Part length data is gathered, and can directly make piece lengths and the variation relation of time.
In other embodiments of the present utility model, in order to reach portable purpose, on base 1 be provided with it is recessed
Groove, support bar 3 can be placed into the groove.It is using the beneficial effect of above-mentioned technical proposal：It can conveniently arrange, improve just
The property taken.
In other embodiments of the present utility model, in order to reach the purpose of adjustment base horizontal level, on base 1
Provided with level(l)ing device and horizontal instruction device.It is using the beneficial effect of above-mentioned technical proposal：Can be to the level of base
Position is adjusted, and improves measuring accuracy.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow the common skill in this area
Art personnel can understand content of the present utility model and be carried out, and can not limit the scope of protection of the utility model with this,
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover in the scope of protection of the utility model
It is interior.
Claims (8)
- A kind of 1. concrete shrinkage dilatometer, it is characterised in that including base, discharging frame, the base and the discharging frame it Between be connected with support bar, the discharging frame is provided with upper gauge head, lower gauge head, and the upper gauge head top is connected with amesdial, described Amesdial probe contacts with the upper gauge head, and the discharging frame is provided with V-shaped groove, and the V-shaped groove is provided with roller, the roller Axis is vertical with the V-shaped groove length direction.
- 2. concrete shrinkage dilatometer according to claim 1, it is characterised in that also including par, the par It may be provided between the upper gauge head, lower gauge head.
- 3. concrete shrinkage dilatometer according to claim 2, it is characterised in that the support bar is provided with height and adjusted Mechanism.
- 4. concrete shrinkage dilatometer according to claim 3, it is characterised in that the discharging frame and the base institute into Angle is 20-40 °.
- 5. concrete shrinkage dilatometer according to claim 4, it is characterised in that between the upper gauge head and the lower gauge head It is connected with displacement transducer.
- 6. concrete shrinkage dilatometer according to claim 5, it is characterised in that described also including data recording equipment Data recording equipment is connected with the displacement transducer signal.
- 7. concrete shrinkage dilatometer according to claim 6, it is characterised in that the base is provided with groove, described Support bar can be placed into the groove.
- 8. concrete shrinkage dilatometer according to claim 7, it is characterised in that the base fills provided with Level tune Put and horizontal instruction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550228.7U CN206740037U (en) | 2017-05-17 | 2017-05-17 | A kind of concrete shrinkage dilatometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550228.7U CN206740037U (en) | 2017-05-17 | 2017-05-17 | A kind of concrete shrinkage dilatometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740037U true CN206740037U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720550228.7U Active CN206740037U (en) | 2017-05-17 | 2017-05-17 | A kind of concrete shrinkage dilatometer |
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| Country | Link |
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| CN (1) | CN206740037U (en) |
Cited By (3)
| 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 |
| CN110926945A (en) * | 2019-12-06 | 2020-03-27 | 东南大学 | Tensile creep test device and method for high-strength concrete |
| CN113281220A (en) * | 2021-05-18 | 2021-08-20 | 中国水利水电科学研究院 | Test device and method for continuously monitoring asphalt concrete slope flowing value |
-
2017
- 2017-05-17 CN CN201720550228.7U patent/CN206740037U/en active Active
Cited By (3)
| 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 |
| CN110926945A (en) * | 2019-12-06 | 2020-03-27 | 东南大学 | Tensile creep test device and method for high-strength concrete |
| CN113281220A (en) * | 2021-05-18 | 2021-08-20 | 中国水利水电科学研究院 | Test device and method for continuously monitoring asphalt concrete slope flowing value |
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