CN204495505U - Grouting pressure pick-up unit - Google Patents
Grouting pressure pick-up unit Download PDFInfo
- Publication number
- CN204495505U CN204495505U CN201520082550.2U CN201520082550U CN204495505U CN 204495505 U CN204495505 U CN 204495505U CN 201520082550 U CN201520082550 U CN 201520082550U CN 204495505 U CN204495505 U CN 204495505U
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- outer cylinder
- cylinder body
- telescopic
- inner barrel
- pressure
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Abstract
The utility model belongs to grouting equipment field, be specifically related to a kind of grouting pressure pick-up unit, comprise: pressure detection main body, it comprises inner barrel and outer cylinder body, described inner barrel and described outer cylinder body are upper and lower opening structure, described inner barrel is positioned at the inner side of described outer cylinder body, form the first accommodation space that is surrounded the outside of described inner barrel, and the opening part of described inner barrel and described outer cylinder body is tightly connected with described outer cylinder body; The outside surface of described outer cylinder body offers N number of groove from top to bottom successively; Containing case, it is fixed in described first accommodation space; Sensator, it is housed in described containing case; N number of pressure transducer, for any one pressure transducer, described pressure transducer comprises pressure sensing base portion and pressure sensing probe, and described pressure sensing probe is electrically connected with described sensator; Display and connecting portion.The utility model installation and removal are simple and convenient, and monitoring accurately.
Description
Technical field
The utility model belongs to grouting equipment field, is specifically related to a kind of grouting pressure pick-up unit.
Background technology
Because the underground water table of karst area can change over time, and the change of water level can cause the intensity on this stratum, location to decline, thus cause the depression of bearing force of roadbed substrate, jeopardize the safety of roadbed, pass through Karst grouting, soil, stone curtain can be closed, intercept contacting of perched water and karst water, keep stablizing of underground water table.
Grouting Pipe bore φ >=50mm, slip casting working pressure, soil layer is generally 0.1 ~ 0.3Mpa, and basement rock is generally not less than 0.3 ~ 0.5MPa.Because the development degree of unit grouting amount and grouting hole distance, grouting pressure, concentration of slurry and karst is closely related, on-the-spot grouting test should be carried out before mortar depositing construction, choose reasonable grouting process, rationally determine the correlation parameters such as grouting pressure, grout coordinate ratio, unit grouting amount, determine the condition etc. stopping slip casting.
As tensimeter declines suddenly in slip casting process, stop slip casting, in slurries, add suitable accelerating chemicals.Likely run into goaf, add appropriate accelerating chemicals to regulate setting time, reduce unnecessary waste.
So grouting pressure detecting device is extremely important in slip casting process.
Utility model content
An object of the present utility model solves at least the problems referred to above or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to there is provided a kind of grouting pressure pick-up unit, and it can monitor grouting pressure at any time in the process of slip casting.
The utility model also has an object to there is provided a kind of grouting pressure pick-up unit, and it can detect grouting pressure for a long time in slurries.
Another object of the utility model there is provided a kind of grouting pressure pick-up unit, and it can removably connect with Grouting Pipe, convenient cleaning in time and replacing.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of grouting pressure pick-up unit, comprising:
Pressure detection main body, it comprises inner barrel and outer cylinder body, described inner barrel and described outer cylinder body are upper and lower opening structure, wherein, described inner barrel is positioned at the inner side of described outer cylinder body, form with described outer cylinder body the accommodation space that is surrounded the outside of described inner barrel, and the opening part of described inner barrel and described outer cylinder body is tightly connected, and is filled with drying agent in described accommodation space; The outside surface of described outer cylinder body offers N number of groove from top to bottom successively;
Containing case, it is fixed in described accommodation space, and the inside surface of described containing case is adhesive with one deck fire blanket;
Sensator, it is housed in described containing case;
N number of pressure transducer, each pressure transducer comprises pressure sensing base portion and pressure sensing probe, described pressure sensing base portion is fixedly installed in any one groove, described pressure sensing probe is arranged on described pressure sensing base portion, each sensor probe outer wrap has a layer thickness to be the rubber layer of 5 ~ 8mm, wherein, described pressure sensing probe is electrically connected with described sensator;
Display, it is connected with described sensator communication; And
Connecting portion, it comprises the first telescopic and the second telescopic, one end of described first telescopic is threaded with Grouting Pipe, the other end of described first telescopic is connected with the threaded one end of described second telescopic, the other end of described second telescopic is threaded with described inner barrel, wherein, described inner barrel and described outer cylinder body are all for being made up of pvc material.
Preferably, wherein, the inwall of described first telescopic is coated with polyurethane paint.
Preferably, wherein, the inwall of described second telescopic is coated with polyurethane paint.
Preferably, wherein, described first telescopic and described second telescopic are all for being made up of pvc material.
Preferably, wherein, the diameter of described inner barrel is 4mm-7mm, and the diameter of described outer cylinder body is 10mm-12mm.
Preferably, wherein, the inwall of described inner barrel is coated with polyurethane paint.
Preferably, wherein, also comprise sleeve, described sleeve is that elastomeric material is made, and described jacket casing is located at the outside of described second telescopic and described outer cylinder body, and described sleeve and described second telescopic and described outer cylinder body are close to conjunction;
Wherein, described sleeve does not cover any one groove.
The beneficial effects of the utility model
1, the demountable structure of grouting pressure pick-up unit that provides of the utility model, makes the installation and removal of pressure-detecting device very simple and convenient, time saving and energy saving, saves cost.
2, the grouting pressure pick-up unit that provides of the utility model, it can monitor grouting pressure at any time in the process of slip casting.
3, the groove of grouting pressure pick-up unit that provides of the utility model, it can relax the touch pressure of press detection sensor and slurries, makes grouting pressure pick-up unit can detect grouting pressure for a long time in slurries.
4, the sleeve that provides of the utility model, pressure detection main body and connecting portion can couple together to close and firm by more.
Accompanying drawing explanation
Fig. 1 is the structural representation of grouting pressure pick-up unit described in the utility model;
Fig. 2 is the structural representation of connecting portion deflated state described in the utility model;
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", one or more other element do not got rid of in " comprising " and " comprising " term or the existence of its combination or interpolation.
A kind of grouting pressure pick-up unit, comprising:
Pressure detection main body 12, it comprises inner barrel 6 and outer cylinder body 10, described inner barrel 6 and described outer cylinder body 10 are upper and lower opening structure, wherein, described inner barrel 6 is positioned at the inner side of described outer cylinder body 10, form with described outer cylinder body 10 accommodation space 7 that is surrounded the outside of described inner barrel 6, and described inner barrel 6 is tightly connected with the opening part of described outer cylinder body 10, and is filled with drying agent in described accommodation space 7; The outside surface of described outer cylinder body 10 offers N number of groove 9 from top to bottom successively;
Containing case 5, it is fixed in described accommodation space 7, and the inside surface of described containing case 5 is adhesive with one deck fire blanket;
Sensator, it is housed in described containing case 5;
N number of pressure transducer, each pressure transducer comprises pressure sensing base portion 11 and pressure sensing probe 8, described pressure sensing base portion 11 is fixedly installed in any one groove 9, described pressure sensing probe 8 is arranged on described pressure sensing base portion 11, each sensor probe 8 outer wrap has a layer thickness to be the rubber layer of 5 ~ 8mm, wherein, described pressure sensing probe 8 is electrically connected with described sensator;
Display, it is connected with described sensator communication; And
Connecting portion 1, it comprises the first telescopic 2 and the second telescopic 3, one end of described first telescopic 2 is threaded with Grouting Pipe, the other end of described first telescopic 2 is connected with the threaded one end of described second telescopic 3, the other end of described second telescopic 3 is threaded with described inner barrel 6, wherein, described inner barrel 6 and described outer cylinder body 10 are all for being made up of pvc material.
Polyvinylchloride have chemical proofing high (resistance to concentrated hydrochloric acid, concentration be 90% sulfuric acid, concentration be the nitric acid of 60% and the NaOH of concentration 20%), physical strength and the good advantage of electrical insulating property.
Pressure is passed device device probe 8 and be arranged in groove 9 duration of contact that can reduce pressure sensing probe and mud, increase the serviceable life that pressure passes device probe 8; In addition, pressure biography device probe is made to avoid being subject to the erosion of mud at pressure sensing probe outer wrap rubber layer.
The use of telescopic, according to the size in space wanting slip casting, can arbitrarily regulate the height of grouting pressure pick-up unit, very convenient and practical.
In time preparing slip casting, described grouting pressure pick-up unit is connected with Grouting Pipe, described grouting pressure pick-up unit is deep into the interior volume of slip casting by the cavity of opening on ground, start slip casting, multiple pressure sensing probe ceaselessly beams back pressure data, pressure conversion device converts pressure data to numeral and passes through wireless telecommunications, pass on the display screen that is connected with pressure conversion device, and, the pressure sensing probe of diverse location is corresponding sets certain distance, in other words, while the pressure data that pressure sensing probe detects, also the position height of oneself is being located, the height on distance ground.
Be filled with drying agent in accommodation space, containing case can be prevented moist, thus ensure the normal use of pressure conversion device; The inside surface of described containing case is adhesive with one deck fire blanket, and when can avoid pressure conversion device that electricity leakage occurs, electric spark punctures containing case, allows fault only rest in containing case.
Another embodiment, on the basis of above-mentioned situation, the inwall of described first telescopic is coated with polyurethane paint.
The feature of described polyurethane paint is the hydrogen bond that can form acyclic and/or annular between high-polymer molecular, and under external force, hydrogen bond is separable and absorb external energy (every molar absorbance 20 ~ 25kJ).When again forming hydrogen bond more again after external force removing.Hydrogen bond so splits, the reversible repetition formed again again, makes Polyurethane lacquer have high degree of mechanical wearing quality and toughness.Compared with other paint, under same rigidity condition, due to the effect of hydrogen bond, the breaking elongation of Polyurethane lacquer is the highest, so be widely used as corrosion resistant coating.
When slurries pass through the inside of the first telescopic, polyurethane paint can hinder slurries to the corrosion of the first telescopic.
Another embodiment, on the basis of above-described embodiment, the inwall of described second telescopic is coated with polyurethane paint.
The feature of described polyurethane paint is the hydrogen bond that can form acyclic and/or annular between high-polymer molecular, and under external force, hydrogen bond is separable and absorb external energy (every molar absorbance 20 ~ 25kJ).When again forming hydrogen bond more again after external force removing.Hydrogen bond so splits, the reversible repetition formed again again, makes Polyurethane lacquer have high degree of mechanical wearing quality and toughness.Compared with other paint, under same rigidity condition, due to the effect of hydrogen bond, the breaking elongation of Polyurethane lacquer is the highest, so be widely used as corrosion resistant coating.
When slurries pass through the inside of the first telescopic, polyurethane paint can hinder slurries to the corrosion of the second telescopic.
Another embodiment, on the basis of above-described embodiment, described first telescopic and described second telescopic are all for being made up of pvc material.
Polyvinylchloride have chemical proofing high (resistance to concentrated hydrochloric acid, concentration be 90% sulfuric acid, concentration be the nitric acid of 60% and the NaOH of concentration 20%), physical strength and the good advantage of electrical insulating property.
Use Polyvinylchloride can extend the serviceable life of the first telescopic and the second telescopic.
Another embodiment, on the basis of above-described embodiment, the diameter of described inner barrel is 4mm-7mm, and the diameter of described outer cylinder body is 10mm-12mm.The diameter of described inner barrel is corresponding with the diameter of described Grouting Pipe, is conveniently threaded, and the diameter of outer cylinder body is greater than the diameter of inner barrel, could form accommodation space and place containing case.
Another embodiment, on the basis of above-described embodiment, the inwall of described inner barrel is coated with polyurethane paint.
When slurries pass through the inside of inner barrel, polyurethane paint can hinder slurries to the corrosion of inner barrel.
Another embodiment, on the basis of above-described embodiment, also comprise sleeve, described sleeve is that elastomeric material is made, described jacket casing is located at the outside of described second telescopic and described outer cylinder body, and described sleeve and described second telescopic and described outer cylinder body are close to conjunction;
Wherein, described sleeve does not cover any one groove.
Increase sleeve, make the connection close and firm more of connecting portion and pressure detection main body, on the basis be threaded, add the second connection insurance.
Wherein, accompanying drawing 1 is that the first telescopic and the second telescopic launch stretching status architecture schematic diagram.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a grouting pressure pick-up unit, is characterized in that, comprising:
Pressure detection main body, it comprises inner barrel and outer cylinder body, described inner barrel and described outer cylinder body are upper and lower opening structure, wherein, described inner barrel is positioned at the inner side of described outer cylinder body, form with described outer cylinder body the accommodation space that is surrounded the outside of described inner barrel, and the opening part of described inner barrel and described outer cylinder body is tightly connected, and is filled with drying agent in described accommodation space; The outside surface of described outer cylinder body offers N number of groove from top to bottom successively;
Containing case, it is fixed in described accommodation space, and the inside surface of described containing case is adhesive with one deck fire blanket;
Sensator, it is housed in described containing case;
N number of pressure transducer, each pressure transducer comprises pressure sensing base portion and pressure sensing probe, described pressure sensing base portion is fixedly installed in any one groove, described pressure sensing probe is arranged on described pressure sensing base portion, each sensor probe outer wrap has a layer thickness to be the rubber layer of 5 ~ 8mm, wherein, described pressure sensing probe is electrically connected with described sensator;
Display, it is connected with described sensator communication; And
Connecting portion, it comprises the first telescopic and the second telescopic, one end of described first telescopic is threaded with Grouting Pipe, the other end of described first telescopic is connected with the threaded one end of described second telescopic, the other end of described second telescopic is threaded with described inner barrel, wherein, described inner barrel and described outer cylinder body are all for being made up of pvc material.
2. grouting pressure pick-up unit as claimed in claim 1, is characterized in that, the inwall of described first telescopic is coated with polyurethane paint.
3. grouting pressure pick-up unit as claimed in claim 2, is characterized in that, the inwall of described second telescopic is coated with polyurethane paint.
4. the grouting pressure pick-up unit as described in claims 1 to 3 any one, is characterized in that, described first telescopic and described second telescopic are all for being made up of pvc material.
5. grouting pressure pick-up unit as claimed in claim 4, it is characterized in that, the diameter of described inner barrel is 4mm-7mm, and the diameter of described outer cylinder body is 10mm-12mm.
6. grouting pressure pick-up unit as claimed in claim 5, is characterized in that, the inwall of described inner barrel is coated with polyurethane paint.
7. grouting pressure pick-up unit as claimed in claim 6, it is characterized in that, also comprise sleeve, described sleeve is that elastomeric material is made, described jacket casing is located at the outside of described second telescopic and described outer cylinder body, and described sleeve and described second telescopic and described outer cylinder body are close to conjunction;
Wherein, described sleeve does not cover any one groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082550.2U CN204495505U (en) | 2015-02-05 | 2015-02-05 | Grouting pressure pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082550.2U CN204495505U (en) | 2015-02-05 | 2015-02-05 | Grouting pressure pick-up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204495505U true CN204495505U (en) | 2015-07-22 |
Family
ID=53574810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520082550.2U Expired - Fee Related CN204495505U (en) | 2015-02-05 | 2015-02-05 | Grouting pressure pick-up unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204495505U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509951A (en) * | 2016-01-13 | 2016-04-20 | 中南大学 | Compression type remolded soil pore pressure testing device |
| CN105606273A (en) * | 2015-12-29 | 2016-05-25 | 天地科技股份有限公司 | Grouting special pressure gauge and grouting pressure testing system |
| CN114659955A (en) * | 2022-02-25 | 2022-06-24 | 西南交通大学 | Micro-power grouting test device and using method thereof |
-
2015
- 2015-02-05 CN CN201520082550.2U patent/CN204495505U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606273A (en) * | 2015-12-29 | 2016-05-25 | 天地科技股份有限公司 | Grouting special pressure gauge and grouting pressure testing system |
| CN105509951A (en) * | 2016-01-13 | 2016-04-20 | 中南大学 | Compression type remolded soil pore pressure testing device |
| CN105509951B (en) * | 2016-01-13 | 2019-01-15 | 中南大学 | A kind of compression manipulated soil hole compression testing device |
| CN114659955A (en) * | 2022-02-25 | 2022-06-24 | 西南交通大学 | Micro-power grouting test device and using method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190205 |