CN203924052U - The air-sac inflated anchor pole of a kind of string - Google Patents
The air-sac inflated anchor pole of a kind of string Download PDFInfo
- Publication number
- CN203924052U CN203924052U CN201420192115.0U CN201420192115U CN203924052U CN 203924052 U CN203924052 U CN 203924052U CN 201420192115 U CN201420192115 U CN 201420192115U CN 203924052 U CN203924052 U CN 203924052U
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- anchor pole
- air
- rod
- string
- valve control
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Abstract
The utility model discloses the air-sac inflated anchor pole of a kind of string, the utility model adopts high elastic rubber film, steel pipe, steel loop as anchor pole material of main part.At anchor pole end overcoat rubber membrane, upper and lower two ends are held on steel pipe with steel loop, bore appropriate air-filled pore in the steel pipe part that has rubber membrane section, and anchor pole top connects gas tube and pressure meter.After anchor pole is placed in weak soil, it is carried out high-pressure aerated, anchor pole end rubber membrane expands under the blowing pressure, and extruding surrounding soil forms a waist drum or columned enlarged footing as anchor rod anchored section.Complete while not needing rockbolt stress in construction, can open by-pass valve control and carry out exhaust, can more easily anchor rod body be extracted, thus recycling.The utility model is simple in structure, saves production cost, easy to operate, can increase at any time or reduce expanding volume and pressure and regulate bearing capacity, saves the construction period, pollution-free.
Description
Technical field
The utility model relates to geotechnical engineering supporting construction field of mechanical technique, relates in particular to the air-sac inflated anchor pole of a kind of string.
Background technology
China's soft soil layer is widely distributed, and mostly is developed area, and base pit engineering is towards dark, large, the complicated future development of surrounding enviroment.Improve day by day to the environmental requirement of the underground space in city in recent years, and not allowing becomes underground permanent obstacle as the interim anchor pole (rope) of pattern foundation pit supporting structure.In Soft Deep Foundation Pit supporting, common bolt (rope) usually can not reach the anchoring effect of anticipation, so reamed end type anchor pole is high and be widely applied with bearing capacity, is one of focus of in these years anchoring engineering.Tradition enlarged footing anchor pole adopts high-pressure water jet to form enlarged footing cavity, and weak soil has rheological characteristic, is difficult to stop the diffusion everywhere of slurries, has increased recovery difficult.
Utility model content
It is higher, easy and simple to handle that technical problem to be solved in the utility model is to provide a kind of bearing capacity, the recyclable new-type pressure-type enlarged footing anchor pole of environmentally safe.
The utility model adopts following technical scheme:
The air-sac inflated anchor pole of string of the present utility model comprises the body of rod, rubber membrane, pressure meter, by-pass valve control I and by-pass valve control II composition; The body of rod is the round bar of a hollow and closed at both ends, and the bottom of the body of rod is in series with more than one rubber membrane, and the body of rod in each rubber membrane coverage is provided with more than one small air inlet hole; Body of rod top is provided with by-pass valve control I, by-pass valve control II and pressure meter from top to bottom successively; On the body of rod of by-pass valve control I top, have steam vent.
The top of the body of rod is provided with suspension ring.
The two ends up and down of rubber membrane use steel loop banding on the body of rod.
The body of rod between by-pass valve control I and by-pass valve control II is connected with air inlet pipe, and the air inlet pipe other end is connected with air intake apparatus.
The described body of rod is made by φ 25mm seamless stainless-steel pipe, and wall thickness is 3mm, at the bottom of bar 5,15, the small air inlet hole of 2 φ 4mm of the each symmetrical processing in 20cm place.
Described rubber membrane is elasticity butyl glued membrane, and diameter is 22mm, long 50-150mm, and film thickness is 1.0mm.
Described by-pass valve control I and by-pass valve control II are three-flat ball valves, and the pressure maximum of every square metre of upper water, oil, gas that pass through can be reached for 70MPa.
Described manometric range is 0-0.25MPa, and precision is 0.01MPa.
The number of rubber membrane is preferably 2-3.
Good effect of the present utility model is as follows:
The air-sac inflated anchor pole of the utility model string is can be formed by the research and development of the characteristic of compacted compacting under pressure based on weak soil.After anchor pole is placed in weak soil, open the by-pass valve control on top, rubber membrane is inflated from air inlet pipe with charger, the stressed expansion extruding of rubber membrane surrounding soil forms a waist drum or columned enlarged footing anchoring section, and its essence is exactly a kind of reamed end type anchor pole.After having inflated, without waiting for the bearing capacity that just can reach designing requirement, shorten the duration.After construction finishes, open by-pass valve control, the gas that discharge is filled just can easier be extracted anchor rod body, reaches the function of recycling.The air-sac inflated anchor pole of the utility model string is simple to operate, saves production cost, pollution-free, does not change the original mechanical property of soil layer, can also save the construction period, is particularly suitable for applying in as silt, sand, silt soil strata at soft stratum.
Brief description of the drawings
Fig. 1 is the air-sac inflated anchor structure schematic diagram of the utility model string;
1 suspension ring, 2 steam vents, 3 by-pass valve control I, 4 body of rod cavitys, 5 air inlet pipe, 6 by-pass valve control II, 7 pressure meters, 8 air intake apparatus, 9 bodies of rod, 10 small air inlet holes, 11 rubber membranes, 12 steel loops.
Detailed description of the invention
The following examples are to describe in further detail of the present utility model.
Referring to Fig. 1, in embodiment of the present utility model, rubber membrane 11 adopts elastomeric butyl rubber rubber membrane, and self diameter is about 22mm, and thick 2-4mm, is about 0.3-1.0m.2-3 rubber membrane 11 is enclosed within to the body of rod 9 bottoms, and the two ends up and down of each rubber membrane 11 are with steel loop 12 bandings on the body of rod 9, and the body of rod 9 is selected φ 25mm seamless stainless-steel pipe, wall thickness 3mm.Bore altogether the small air inlet hole 10 of 4-6 φ 4mm in the anchor pole part that has rubber membrane 11 to cover.Closing control valve I 3, opens by-pass valve control II 6, utilizes charger 8 from air inlet pipe 5, anchor pole to be inflated, and the size of air pressure can be shown by pressure meter 7.Gases at high pressure flow out from small air inlet hole 10 through the body of rod 9, and rubber membrane 11 is expanded, extruding surrounding soil.Control the volume size of rubber membrane 11 according to the air pressure size of pressure meter 7, thereby avoid rubber membrane 11 because of excessive the breaking of expanding.By-pass valve control II 6, rubber membrane 11 and steel loop 12 make inflation anchor bar form an airtight system.After having inflated, closing control valve II 6, the at this moment body of rod cavity 4 airtight spaces of meeting formation between two by-pass valve controls, and the gas of the inside have must pressure.Have certain recoil strength if now remove charger 8, constructor is existed to potential safety hazard.Therefore withdrawing before charger 8, need open by-pass valve control I 3 high pressure in cavity 4 is discharged from steam vent 2, then withdraw charger 8.The utility model can provide whole anchored force after inflation completes, and has shortened the duration.In the time that anchor pole does not need to bear load again, open by-pass valve control I 3, by-pass valve control II 6 is carried out exhaust to rubber membrane, pulls 1, suspension ring more easily inflation anchor bar to be reclaimed, simple and convenient, without pollutions such as waste liquid waste gas.Rubber membrane can produce larger stretcher strain in the process of tension, it is carried out to pre-stretch-draw, can eliminate its most of distortion, passive support system can be become like this to support system initiatively, can need to carry out repeatedly stretch-draw to anchor pole according to Deformation control, to meet engineering safety simultaneously.
In sum, the utility model is that one does not need reinforcing soft soil just can directly use in soft clay area, and the complete whole anchored force that just can provide of constructing, without the Novel expansion pile head anchor pole of the recyclable recycling of any pollution.Be applicable to use in as silt, sand and mucky soil in soft clay area, also can subaqueous construction, for ocean, harbour underwater operation machine provide anti-floating anchored force.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that not departing from principle of the present utility model and spirit and can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalent thereof.
Claims (8)
1. the air-sac inflated anchor pole of string, is characterized in that: the air-sac inflated anchor pole of described string comprises the body of rod (9), rubber membrane (11), pressure meter (7), by-pass valve control I (3) and by-pass valve control II (6) composition; The body of rod (9) is the round bar of a hollow and closed at both ends, and the bottom of the body of rod (9) is in series with more than one rubber membrane (11), and the body of rod (9) in each rubber membrane (11) coverage is provided with more than one small air inlet hole (10); The body of rod (9) top is provided with by-pass valve control I (3), by-pass valve control II (6) and pressure meter (7) from top to bottom successively; On the body of rod (9) of by-pass valve control I (3) top, have steam vent (2).
2. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: the top of the body of rod (9) is provided with suspension ring (1).
3. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: rubber membrane (11) up and down for two ends steel loop (12) banding on the body of rod (9).
4. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: the body of rod (9) between by-pass valve control I (3) and by-pass valve control II (6) is connected with air inlet pipe (5), and air inlet pipe (5) other end is connected with air intake apparatus (8).
5. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: the described body of rod (9) is made by φ 25mm seamless stainless-steel pipe, and wall thickness is 3mm, at the bottom of bar 5,15, the small air inlet hole (10) of 2 φ 4mm of the each symmetrical processing in 20cm place.
6. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: described rubber membrane (11) is elasticity butyl glued membrane, and diameter is 22mm, long 50-150mm, and film thickness is 1.0mm.
7. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: described by-pass valve control I (3) and by-pass valve control II (6) are three-flat ball valves, and the pressure of every square metre of upper aqueous hydrocarbon passing through is 70MPa.
8. the air-sac inflated anchor pole of string as claimed in claim 1, is characterized in that: the range of described pressure meter (7) is 0-0.25MPa, and precision is 0.01MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192115.0U CN203924052U (en) | 2014-04-18 | 2014-04-18 | The air-sac inflated anchor pole of a kind of string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192115.0U CN203924052U (en) | 2014-04-18 | 2014-04-18 | The air-sac inflated anchor pole of a kind of string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203924052U true CN203924052U (en) | 2014-11-05 |
Family
ID=51819906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420192115.0U Expired - Fee Related CN203924052U (en) | 2014-04-18 | 2014-04-18 | The air-sac inflated anchor pole of a kind of string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203924052U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911992A (en) * | 2014-04-18 | 2014-07-09 | 中南大学 | Balloon-stringed inflating anchor rod |
| CN105369804A (en) * | 2015-10-12 | 2016-03-02 | 安徽理工大学 | Aerated soil anchor |
| CN106284369A (en) * | 2016-08-15 | 2017-01-04 | 马鞍山十七冶工程科技有限责任公司 | A kind of complete recyclable inflation anchor bar of section |
-
2014
- 2014-04-18 CN CN201420192115.0U patent/CN203924052U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911992A (en) * | 2014-04-18 | 2014-07-09 | 中南大学 | Balloon-stringed inflating anchor rod |
| CN105369804A (en) * | 2015-10-12 | 2016-03-02 | 安徽理工大学 | Aerated soil anchor |
| CN105369804B (en) * | 2015-10-12 | 2017-11-28 | 安徽理工大学 | One kind inflates native anchor |
| CN106284369A (en) * | 2016-08-15 | 2017-01-04 | 马鞍山十七冶工程科技有限责任公司 | A kind of complete recyclable inflation anchor bar of section |
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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 |
Granted publication date: 20141105 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |