CN209043191U - A kind of gunite concrete thickness detection apparatus - Google Patents
A kind of gunite concrete thickness detection apparatus Download PDFInfo
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- CN209043191U CN209043191U CN201822270612.9U CN201822270612U CN209043191U CN 209043191 U CN209043191 U CN 209043191U CN 201822270612 U CN201822270612 U CN 201822270612U CN 209043191 U CN209043191 U CN 209043191U
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- graduated cylinder
- gage
- concrete
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- gunite concrete
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Abstract
A kind of gunite concrete thickness detection apparatus, it is related to gunite concrete monitoring technology field, including fiducial and measurement component, the fiducial includes graduated cylinder and holdfast, the holdfast is fixed on the bottom surface of the graduated cylinder, the holdfast is vertically fixedly plugged in rammed earth layer, and the bottom surface of the graduated cylinder and the flush of rammed earth layer, the height of the graduated cylinder are equal to the overall thickness of shotcrete layer；The measurement component includes connecting plate, baseline rod and gage, and the baseline rod is fixedly connected on connecting plate, and on the connecting plate, the gage is arranged in parallel with the baseline rod for the gage sliding plug；The baseline rod is inserted in the graduated cylinder and end face is against on the bottom surface of the graduated cylinder, and the gage, which is located at outside the graduated cylinder, to be slidably connected.The concrete thickness that the utility model can not only spray every layer detects, while can have quality monitoring function to overall thickness after the completion of concrete ejection, simple, convenient.
Description
Technical field
The utility model relates to gunite concrete monitoring technology fields, and in particular to a kind of gunite concrete Thickness sensitivity dress
It sets.
Background technique
Gunite concrete be with Spray Gun Of The Pressure spraying placing pea gravel concreten construction method, be generally used for tunnel inner wall and
The supporting on foundation pit slope is protected, and common construction method is at a certain distance from apart from tunnel inner wall face or apart from foundation pit slope
Reinforcement placing net at a certain distance from face, then gunite concrete, sprays in the place that difference is stablized in deeper tunnel or foundation pit face
When concrete, since the concrete layer of injection is thicker, usually require successively to be layered gunite concrete when constructing.It is mixed in injection
When solidifying soil thickness detection, usually injection is completed after waiting concrete final set, is punched and is measured in concrete surface, numerous using tool
More, complicated for operation, in addition, tunnel inner wall, foundation pit slope belong to soil layer, quality is soft, after punching is measured, seeps from hole
Water out will cause soil losses, so that the drill hole concrete back side generates cavity deformation, increase the danger in crack, collapsing；This
Outside, it when being layered gunite concrete, after the completion of each layer of injection, is checked and accepted without corresponding Thickness sensitivity, is unable to measure every layer and mixes
The thickness uniformity of solidifying soil injection, the amount of injection when causing to spray next layer concrete cannot be controlled accurately, eventually lead to injection
Concrete thickness cannot reach acceptance criteria.
Summary of the invention
In order to solve above-mentioned problem of the prior art, the utility model provides a kind of gunite concrete thickness detection apparatus,
The concrete thickness that can not only be sprayed every layer detects, while can have quality monitoring function to overall thickness after the completion of concrete ejection
Can, it is simple, convenient.
The purpose of this utility model can be realized by the following technical scheme: a kind of gunite concrete thickness detection apparatus,
Including fiducial and measurement component, the fiducial includes graduated cylinder and holdfast, and the holdfast is fixed on the bottom of the graduated cylinder
On face, the holdfast is vertically fixedly plugged in rammed earth layer, the bottom surface of the graduated cylinder and the flush of rammed earth layer, the graduated cylinder
Height be equal to shotcrete layer overall thickness；The measurement component includes connecting plate, baseline rod and gage, the baseline rod
It is fixedly connected on connecting plate, on the connecting plate, the gage is parallel with the baseline rod to be set for the gage sliding plug
It sets；The baseline rod is inserted in the graduated cylinder and end face is against on the bottom surface of the graduated cylinder, and the gage is located at the graduated cylinder
It is slidably connected outside.
Preferably, the connecting plate is equipped with threaded hole, and threaded hole is connected to jack hole of the gage on connecting plate,
Threaded hole internal screw thread is connected with screw, and the screw end face is against on gage.Screw is unscrewed, and gage can slide movement；Work as gage
When measurement, gage stationary positioned can be facilitated reading by screw-driving.
Preferably, the bottom surface of the graduated cylinder is provided with calibration plate, and the calibration plate is concordant with rammed earth layer surface, the gage
Central axis intersect with the plate face of the calibration plate.Calibration plate plays the role of gage calibration, the end amount of being against of baseline rod
When cylinder bottom, the end of gage is against on calibration plate, and baseline rod is concordant with the end of gage at this time, and at the same time with rammed earth layer
Flush provides reference dimension for the measurement after post-injection concrete.
Preferably, the graduated cylinder is also equipped with cover, and the cover is removably connect with the graduated cylinder.In gunite concrete
During, cover is covered on graduated cylinder, prevents concrete in injection in splash to graduated cylinder, makes to keep clean in graduated cylinder, really
Protect the accuracy of measurement.
Preferably, the blade of the gage is equipped with length scale line.Convenient reading dimension data.
Preferably, the side wall of the graduated cylinder is against the edge of steel mesh grid.Between steel mesh wire side and rammed earth layer have
Away from graduated cylinder is against grid edge, increases support power of the graduated cylinder in gunite concrete, it is ensured that the stability of fiducial.
The utility model uses in accordance with the following steps:
1. calibration: baseline rod reeve graduated cylinder inner end being against on bottom surface, the end of gage is against on calibration plate, the amount of progress
The calibration of ruler size；
2. reference for installation component: before preparing gunite concrete, fiducial being mounted on to rammed earth layer table to be sprayed
Holdfast is fixedly plugged in rammed earth layer by face, it is concordant with rammed earth layer surface that the depth of insertion is subject to calibration plate, is ensured simultaneously
Graduated cylinder is against the edge of steel mesh grid；
3. successively measuring shotcrete layer: cover is covered, the concrete ejection of first layer is carried out, after the completion of injection,
Cover is opened, baseline rod is inserted in graduated cylinder, unscrews screw, the end of gage is against on first layer concrete surface, is read
The size of gage, the as thickness of first layer gunite concrete；Then, measurement component is taken out, the spray of the second layer concrete is carried out
It penetrates, measures the overall thickness of two layer concretes, overall thickness and first layer after the completion of injection according to the measurement method of the first layer concrete
The difference of concrete thickness is the thickness of the second layer concrete；It is every that gunite concrete is successively so measured according to the method described above
One layer of thickness.
4. covering bung on graduated cylinder before the last layer concrete ejection, the injection of the last layer is then carried out, spray is worked as
After bung is all coated in concrete layer by the concrete penetrated, the injection of concrete is finally completed.
Resultant effect brought by the utility model includes: that the utility model simple structure is reasonable, easy to use, benchmark group
Benchmark of the part as measurement gunite concrete thickness, the baseline rod for measuring component are plugged in graduated cylinder as the benchmark measured every time
Position, while being slidably connected for gage being cooperated to measure the thickness of concrete, station meter is in each position baseline with graduated cylinder
Bottom surface on the basis of, it is ensured that the accuracy that gage measures size, while also guaranteeing to carry out each layer of gunite concrete thick
Degree measurement accurately detects the thickness of each layer concrete injection, it is ensured that the uniformity of concrete ejection；Finally, the height of graduated cylinder
It is identical as the overall thickness of concrete, therefore the overall thickness that can control gunite concrete is uniform.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment gunite concrete thickness detection apparatus.
Fig. 2 is that the structure of the utility model embodiment gunite concrete thickness detection apparatus measurement first layer jet thickness is shown
It is intended to.
Fig. 3 is that structure when the utility model embodiment gunite concrete thickness detection apparatus sprays the second layer concrete is shown
It is intended to.
Fig. 4 be the utility model embodiment gunite concrete thickness detection apparatus injection the last layer concrete after the completion of
Structural schematic diagram.
Wherein, the identical appended drawing reference of identical component in the accompanying drawings；The attached drawing is not drawn according to the actual ratio.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment
A kind of gunite concrete thickness detection apparatus, including fiducial and measurement component, the fiducial include amount
Cylinder 1 and holdfast 2, the holdfast 2 are fixed on the bottom surface of the graduated cylinder 1, and the holdfast 2 is vertically fixedly plugged in rammed earth layer 3,
The bottom surface of the graduated cylinder 1 and the flush of rammed earth layer 3, the height of the graduated cylinder 1 are equal to the overall thickness of shotcrete layer；Institute
Stating measurement component includes connecting plate 4, baseline rod 5 and gage 6, and the baseline rod 5 is fixedly connected on connecting plate 4, the gage 6
On the connecting plate 4, the gage 6 is arranged in parallel with the baseline rod 5 for sliding plug；The baseline rod 5 is inserted in the amount
In cylinder 1 and end face is against on the bottom surface of the graduated cylinder 1, and the gage 6, which is located at outside the graduated cylinder 1, to be slidably connected.The connection
Plate 4 is equipped with threaded hole, and threaded hole is connected to jack hole of the gage 6 on connecting plate 4, and threaded hole internal screw thread is connected with spiral shell
Nail 7,7 end face of screw is against on gage 6.Screw 7 is unscrewed, and gage 6 can slide movement；When gage 6 measures, screw 7 is twisted
Tightly, 6 stationary positioned of gage can be facilitated reading.The bottom surface of the graduated cylinder 1 is provided with calibration plate 8, the calibration plate 8 and rammed earth
3 flush of layer, the central axis of the gage 6 intersect with the plate face of the calibration plate 8.Calibration plate 8 plays the calibration of gage 6
Effect, when the end of baseline rod 5 is against 1 bottom of graduated cylinder, the end of gage 6 is against on calibration plate 8, at this time baseline rod 5 and gage 6
End it is concordant, and at the same time the flush with rammed earth layer 3, provides reference dimension for the measurement after post-injection concrete.
The graduated cylinder 1 is also equipped with cover 9, and the cover 9 is removably connect with the graduated cylinder 1.In gunite concrete
In the process, cover 9 is covered on graduated cylinder 1, prevents concrete in injection in splash to graduated cylinder 1, make to keep clean in graduated cylinder 1,
Ensure the accuracy measured.The blade of the gage 6 is equipped with length scale line 10.Convenient reading dimension data.The graduated cylinder 1
Side wall be against the edge of 11 grid of steel mesh.11 wire side of steel mesh and rammed earth layer 3 have spacing, and graduated cylinder 1 is against Grid Edge
At angle, increase support power of the graduated cylinder 1 in gunite concrete, it is ensured that the stability of fiducial.
The utility model embodiment uses in accordance with the following steps:
1. calibration: reeve 1 inner end of graduated cylinder of baseline rod 5 is against on bottom surface, the end of gage 6 is against on calibration plate 8, into
The calibration of 6 size of row gage；
2. reference for installation component: before preparing gunite concrete, fiducial being mounted on to 3 table of rammed earth layer to be sprayed
Holdfast 2 is fixedly plugged in rammed earth layer 3 by face, the depth of insertion is subject to calibration plate 8 and 3 flush of rammed earth layer, simultaneously
Ensure that graduated cylinder 1 is against the edge of 11 grid of steel mesh；
3. successively measuring shotcrete layer: by taking three layers of spray as an example, cover 9 being covered, carries out the concrete spray of first layer
It penetrates, after the completion of injection, cover 9 is opened, baseline rod 5 is inserted in graduated cylinder 1, unscrew screw 7, the end of gage 6 is against first
On layer concrete surface, the size of gage 6, the as thickness of first layer gunite concrete are read；Then, measurement component is taken out,
The injection for carrying out the second layer concrete measures the total of two layer concretes according to the measurement method of the first layer concrete after the completion of injection
The difference of thickness, overall thickness and first layer concrete thickness is the thickness of the second layer concrete；
4. bung is covered on graduated cylinder 1, is then sprayed before third layer concrete ejection, when the concrete of injection
After bung is all coated in concrete layer, the injection of concrete is finally completed.
Resultant effect brought by the utility model embodiment includes: that the utility model embodiment simple structure is reasonable, is made
With convenient, benchmark of the fiducial as measurement gunite concrete thickness, the baseline rod 5 for measuring component, which is plugged in graduated cylinder 1, to be made
For the base position measured every time, while being slidably connected for gage 6 being cooperated to measure the thickness of concrete, station meter is positioning every time
When reference line on the basis of the bottom surface of graduated cylinder 1, it is ensured that the accuracy of 6 cun of 6 measuring scale of gage, while also guaranteeing to each layer
Gunite concrete carry out thickness measure, accurately detect the thickness of each layer concrete injection, it is ensured that concrete ejection it is uniform
Property；Finally, the height of graduated cylinder 1 is identical as the overall thickness of concrete, therefore the overall thickness that can control gunite concrete is uniform.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the utility model enforceable qualifications, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are practical new not influencing this
Under the effect of type can be generated and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain and can contain
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
The utility model is described above with reference to preferred embodiment, but the protection scope of the utility model is not
Limited to this, any all technical solutions fallen within the scope of the appended claims are within the protection scope of the present utility model.?
In the case where not departing from the scope of the utility model, various improvement can be carried out to it and can be replaced with equivalent therein
Component.Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can be in any way
It combines.
Claims (6)
1. a kind of gunite concrete thickness detection apparatus, which is characterized in that including fiducial and measurement component, the benchmark group
Part includes graduated cylinder and holdfast, and the holdfast is fixed on the bottom surface of the graduated cylinder, and the holdfast is vertically fixedly plugged in rammed earth layer
Interior, the bottom surface of the graduated cylinder and the flush of rammed earth layer, the height of the graduated cylinder are equal to the overall thickness of shotcrete layer；Institute
Stating measurement component includes connecting plate, baseline rod and gage, and the baseline rod is fixedly connected on connecting plate, and the gage sliding is inserted
It connects on the connecting plate, the gage is arranged in parallel with the baseline rod；The baseline rod is inserted in the graduated cylinder and holds
Face is against on the bottom surface of the graduated cylinder, and the gage, which is located at outside the graduated cylinder, to be slidably connected.
2. gunite concrete thickness detection apparatus according to claim 1, which is characterized in that the connecting plate is equipped with spiral shell
Pit, threaded hole are connected to jack hole of the gage on connecting plate, and threaded hole internal screw thread is connected with screw, the threaded end
Face is against on gage.
3. gunite concrete thickness detection apparatus according to claim 2, which is characterized in that the bottom surface of the graduated cylinder is arranged
There is calibration plate, the calibration plate is concordant with rammed earth layer surface, and the central axis of the gage intersects with the plate face of the calibration plate.
4. gunite concrete thickness detection apparatus according to claim 3, which is characterized in that the graduated cylinder is also equipped with cylinder
Lid, the cover are removably connect with the graduated cylinder.
5. gunite concrete thickness detection apparatus according to claim 4, which is characterized in that set on the blade of the gage
There is length scale line.
6. gunite concrete thickness detection apparatus according to claim 5, which is characterized in that the side wall of the graduated cylinder is against
The edge of steel mesh grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270612.9U CN209043191U (en) | 2018-12-29 | 2018-12-29 | A kind of gunite concrete thickness detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270612.9U CN209043191U (en) | 2018-12-29 | 2018-12-29 | A kind of gunite concrete thickness detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043191U true CN209043191U (en) | 2019-06-28 |
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ID=67044993
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822270612.9U Expired - Fee Related CN209043191U (en) | 2018-12-29 | 2018-12-29 | A kind of gunite concrete thickness detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411316A (en) * | 2019-07-30 | 2019-11-05 | 国网山东省电力公司经济技术研究院 | A kind of project of transmitting and converting electricity thickness of protection tier detection auxiliary device |
-
2018
- 2018-12-29 CN CN201822270612.9U patent/CN209043191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411316A (en) * | 2019-07-30 | 2019-11-05 | 国网山东省电力公司经济技术研究院 | A kind of project of transmitting and converting electricity thickness of protection tier detection auxiliary device |
| CN110411316B (en) * | 2019-07-30 | 2021-04-06 | 国网山东省电力公司经济技术研究院 | Power transmission and transformation engineering steel bar protective layer thickness detection auxiliary device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20201229 |