CN200988964Y - Steel protective tube for drilling pile - Google Patents
Steel protective tube for drilling pile Download PDFInfo
- Publication number
- CN200988964Y CN200988964Y CN 200620139478 CN200620139478U CN200988964Y CN 200988964 Y CN200988964 Y CN 200988964Y CN 200620139478 CN200620139478 CN 200620139478 CN 200620139478 U CN200620139478 U CN 200620139478U CN 200988964 Y CN200988964 Y CN 200988964Y
- Authority
- CN
- China
- Prior art keywords
- steel casing
- pressure water
- drilled pile
- high pressure
- pressure
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a drilling steel cast-in-place pile, wherein the upper side of the drilling steel cast-in-place pile is provided with a spinning head, which is welded with the steel cast-in-place pile, the steel cast-in-place pile and the spinning head is a sealed high pressure vessel; the upper side of the spinning head is respectively provided with a low pressure water inlet tube, and a high pressure water inlet tube, and the high pressure water inlet tube is connected with the high pressure water pump. The high pressure water pump inserts the high pressure water into the vessel, the drilling pile as the platform of the counterforce through the function of the high pressure water make the steel cast-in-place pile pull out without any destruction, the removed steel cast-in-place pile can achieve the purpose of the recycling use.
Description
Technical field
The utility model relates to a kind of drilled pile steel casing, and this drilled pile steel casing is widely used in the foundation construction field, and this boring steel casing is for resisting strata pressure, preventing that the borehole wall from subsiding and the cement mold of drilled pile moulding after the protection boring moulding.
Background technology
In known foundation construction, the steel casing of drilled pile be after the boring moulding for resisting strata pressure, prevent that the borehole wall from subsiding and the cement mold of drilled pile moulding, after the drilled pile hardening of cement, the steel casing just has fully and has not acted on, in order to reuse the steel casing, the steel casing should be extracted.But at present drilled pile steel casing can not be extracted, and its main cause is because vibrations that produce in the construction and huge mechanical external force can produce drilled pile destroys, cause construction to finish after, can't extract this drilled pile steel casing.In some cases, can only extract overground part at most, under ground portion can only with the age increase progressively and corrosion taken off by the soil branch gradually, this not only causes huge waste, and causes long-term groundwater pollution.For example, the mill stake machine that uses Japan, Germany to produce in this field construction is with the locking of drilled pile steel casing, utilize the lifting force of 600 tons of 21 oil cylinders to extract, its shortcoming be reaction force acts on ground line, the job site complexity is difficult to look for vertical plane, causes pulling off and damaging of drilled pile easily.So in construction field, the drilled pile steel casing after the construction can only remain in original job site.
Summary of the invention
The purpose of this invention is to provide a kind of drilled pile steel casing that can extract from the job site, this drilled pile steel casing can can't harm not to be extracted from drilled pile with hindering, the steel casing just can recycle, reach the saving great deal of steel, reduce and stop and increase substantially the economic benefit of construction enterprises because of corrosion of metal produces water pollution.
For reaching above-mentioned purpose, the technical scheme of the technical problem that the utility model solves is:
A kind of drilled pile steel casing, constitute by drilled pile and steel casing, it is characterized in that, one welding end socket is arranged on drilled pile steel casing, be welded with the high-low pressure water inlet pipe on this end socket respectively, high-pressure intake pipe is connected with high-pressure hydraulic pump, and steel casing and head formed by spinning form airtight high-pressure bottle, and water under high pressure is infused in this container.
By above-mentioned technical characterictic, the beneficial effects of the utility model are: the utility model is the solder ball end socket on drilled pile steel casing, make it to form the pressure vessel of a sealing, airtight container after the fills with water, under the high pressure effect of water, its reaction force is to act on the drilled pile with uniformly distributed load, steel casing wriggling is risen, hang out with crane after reaching design height, undamaged the extracting that the steel casing is passable, the steel casing can be recycled, reach a large amount of saving steel, increase substantially the economic benefit of construction enterprises.
Description of drawings
Fig. 1 is the structural representation of the utility model drilled pile steel casing
Symbol description among the figure
1 low-pressure water inlet tube
2 low-pressure water valves
3 water under high pressure valves
4 heads formed by spinning
5 high pressure water injection pipes
6 steel casings
7 drilled piles
8 ground line
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.
In Fig. 1, the outside of drilled pile 7 is steel casings 6, some is embedded in drilled pile steel casing in the ground, some is on ground line 8, one head formed by spinning 4 is arranged at the top of drilled pile steel casing 6, this head formed by spinning 4 is welded as a whole with steel casing 6, the top of this head formed by spinning 4 is for being respectively equipped with low-pressure water inlet tube 1 and high-pressure water inlet pipe 5, on low-pressure water inlet tube 1, be provided with low-pressure water valve 2, on high-pressure water inlet pipe 5, be provided with water under high pressure valve 3,, close low-pressure water valve 2 through low-pressure water inlet tube 1 fills with water, high-pressure hydraulic pump injects steel casing 6 through high pressure water injection pipe 5 with water under high pressure, and forms the high-pressure bottle that seals with head formed by spinning 4.Airtight container after the fills with water, under the high pressure effect of water, its reaction force is to act on the drilled pile with uniformly distributed load, steel casing wriggling is risen, hang out with crane after reaching design height, undamaged the extracting that the steel casing is passable can recycle the steel casing, reach a large amount of saving steel, increase substantially the purpose of the economic benefit of construction enterprises.
Claims (4)
1. drilled pile steel casing, the outside of drilled pile is the steel casing, it is characterized in that, and a head formed by spinning is arranged at the top of drilled pile steel casing, and this head formed by spinning and steel casing are welded as a whole, and steel casing and head formed by spinning are an airtight high-pressure bottle; The top of this head formed by spinning is respectively equipped with low-pressure water inlet tube and high-pressure water inlet pipe, and high-pressure intake pipe is connected with high-pressure hydraulic pump.
2. drilled pile steel casing according to claim 1 is characterized in that, is provided with the low-pressure water valve on the low-pressure water inlet tube.
3. drilled pile steel casing according to claim 1 is characterized in that, is provided with the water under high pressure valve on the high-pressure water inlet pipe.
4. drilled pile steel casing according to claim 1 is characterized in that water under high pressure is infused in the steel casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139478 CN200988964Y (en) | 2006-12-27 | 2006-12-27 | Steel protective tube for drilling pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139478 CN200988964Y (en) | 2006-12-27 | 2006-12-27 | Steel protective tube for drilling pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988964Y true CN200988964Y (en) | 2007-12-12 |
Family
ID=38939999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620139478 Expired - Fee Related CN200988964Y (en) | 2006-12-27 | 2006-12-27 | Steel protective tube for drilling pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988964Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812844A (en) * | 2010-02-10 | 2010-08-25 | 郭振国 | Pile casting for bridge pile foundation |
| CN104213555A (en) * | 2014-08-22 | 2014-12-17 | 浙江省交通工程建设集团第三交通工程有限公司 | Ultra-long pile foundation steel protection tube nondestructive recovery method |
| CN104594349A (en) * | 2014-08-12 | 2015-05-06 | 朱启贵 | Hydraulic lifting construction method for recycling steel casing in pile foundation engineering |
-
2006
- 2006-12-27 CN CN 200620139478 patent/CN200988964Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812844A (en) * | 2010-02-10 | 2010-08-25 | 郭振国 | Pile casting for bridge pile foundation |
| CN104594349A (en) * | 2014-08-12 | 2015-05-06 | 朱启贵 | Hydraulic lifting construction method for recycling steel casing in pile foundation engineering |
| CN104213555A (en) * | 2014-08-22 | 2014-12-17 | 浙江省交通工程建设集团第三交通工程有限公司 | Ultra-long pile foundation steel protection tube nondestructive recovery method |
| CN104213555B (en) * | 2014-08-22 | 2017-02-01 | 浙江交工钱潮建设有限公司 | Ultra-long pile foundation steel protection tube nondestructive recovery method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20101227 |