CN1470710A - Front pile shoe of foundation pile and foundation pile thereof - Google Patents
Front pile shoe of foundation pile and foundation pile thereof Download PDFInfo
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- CN1470710A CN1470710A CNA031484891A CN03148489A CN1470710A CN 1470710 A CN1470710 A CN 1470710A CN A031484891 A CNA031484891 A CN A031484891A CN 03148489 A CN03148489 A CN 03148489A CN 1470710 A CN1470710 A CN 1470710A
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- foundation pile
- boots
- end boots
- pile
- base plate
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Abstract
The invention provides a foundation pile and a front-end boot of the foundation pile. The foundation pile has the advantages of low manufacturing costs and high strength of the front-end helical blade. To support the foundation of a construction structure, the foundation pile is driven into the ground with rotation and fitted with the front-end boot which is casted or forged as a whole at the front end of the body consisting of steel pipes in a set length. The front-end boot is approximately conic or hemispheric in the front end, and is set with a plurality of overhangs in the peripheral face.
Description
Technical field
The present invention relates to support building construction the basis foundation pile and can be installed on the front end boots of its front end.
Background technology
For the basis of supporting building construction, generally use foundation pile.Foundation pile has various forms, but as long column shape, can reach the length on deep under ground supporting basis.Do not take the mode of squeezing into by recent basis with stake, but, apply rotation simultaneously from this foundation pile effect pushing force of last direction with huge noise and vibration, whereby can be buried underground.Thereby, have helical blade at the foundation pile front end.
Fig. 9 shows the object lesson that existing spiral foundation pile is embedded in underground state, and the leading section of this foundation pile reaches supporting bed (a).That is, foundation pile will become and carry out ground and explore the needed length of the accessible supporting bed of its leading section (a), has screw blade (b) at its front end, or has excavation sword (c) and excavate pawl (d).Thereby, while rotate, can enter underground and reach supporting bed (a) as pushing foundation pile upper end, foundation pile is carried on this supporting bed (a); Simultaneously, by with outer peripheral face (e) and stratum in the frictional force supporting that produces.
But foundation pile also is not limited to big building in recent years, as the also situations that the application foundation stake is arranged in the basis of general dwelling house more.The basis of existing general dwelling house is laid rubble and is made firm by ramming, builds the basis with cement in the above again.But in the intensive part of dwelling house, produce noise and vibration when laying rubble and making firm by ramming, cause puzzlement neighbouring.For this reason, preferably not produce the structure that foundation pile supports the basis of squeezing into of noise and vibration.
But, as general dwelling house usefulness, to squeeze into foundation pile and can make base fixed, but compare with the construction that rubble is made in existing laying firm by ramming, construction cost increases.That is, helical blade shown in Figure 9 (b) fusing must be processed into the regulation shape, it is welded on the body (f), or fusing process excavation sword (c) or excavation pawl (d) welds again, the production costs of this foundation pile is very high.
On the other hand, be not only cost of manufacture, also has such problem in addition: the lower end that the steel plate fusing of specific thickness is processed and is welded in a body (f), but as run into hard ground and when rotating, this helical blade (b), excavate sword (c), with excavate pawl (d) can be crooked, at this moment have the problem on the intensity of breaking from the welding position.That is,, go up the bigger load of effect, helical blade (b) is damaged by this load at helical blade (b) by the rotation of squeezing under the steel pipe pile situation.
Summary of the invention
Like this, on the existing foundation pile above-mentioned a series of problem is arranged.The problem that the present invention will solve promptly is above-mentioned these problems, and production costs is cheap and spire intensity front end the is higher foundation pile and the front end boots of this foundation pile are provided.
Foundation pile of the present invention is that the lower end that the front end boots will be separately made are connected and fixed on a body constitutes.That is, be not as existing with sheet metal processing and fabricating spire, but but with cast steel, foundry goods plastic or forge and make the front end boots.Just, the front end boots are cast as the shape and the size of regulation as part independently, it are waited at the scene with the welding grade be installed on the steel pipe front end.
Front end boots of the present invention roughly coning become hemispherical, establish helical blade or protuberance on its outer peripheral face, have front edge at its front end.The shape of raised part does not have any special restriction, but generally proper with taper shape or pyramid.Base portion side at boots is established base plate, has the excavation sword of inclination on this base plate.Foundation pile of the present invention is as being urged rotation, by front edge and the broken ground of a plurality of protuberance, by excavating sword to underground propelling, supported by base plate reaching the prescribed depth part simultaneously.
Above-mentioned front end boots are made as normalized individual part, compare with the helical blade that existing sheet metal is made, and have simplified the installation exercise to the stake body.That is, also can be used as field operation and weld, intensity is compared also with existing helical blade and has been improved greatly simultaneously.On the other hand, the stake body can be transported to be transported to on-the-spot mode from manufacturer respectively at the less front end boots of produce in factory and steel pipe, and the foundation pile of having finished at produce in factory is transported to on-the-spot situation compares, fare has also reduced.Here, have the base plate of above-mentioned excavation sword, also can after be loaded on the front end boots.The following accompanying drawing of borrowing describes embodiments of the invention in detail.
Description of drawings
Fig. 1 a is the lateral view of the foundation pile of expression embodiments of the invention; Fig. 1 b is its upward view.
Fig. 2 a is the lateral view of front end boots of the foundation pile of presentation graphs 1; Fig. 2 b is its upward view.
Fig. 3 a is the lateral view of the front end boots of another embodiment of expression; Fig. 3 b is its upward view.
Fig. 4 a is the lateral view of bottom of the foundation pile of expression another embodiment of the present invention; Fig. 4 b is its upward view.
Fig. 5 a represents the lateral view of the bottom of the foundation pile of an embodiment again; Fig. 5 b is its upward view.
Fig. 6 is the lateral view of the foundation pile of the another embodiment of expression.
Fig. 7 a is the plan view that the foundation pile of presentation graphs 6 has formed the front end boots of helical blade; Fig. 7 b is its lateral view.
Fig. 8 a represents the lateral view of the foundation pile of an embodiment again; Fig. 8 b is its plan view.
Fig. 9 is the lateral view of the existing foundation pile of expression.
The specific embodiment
Fig. 1 a and Fig. 1 b are the embodiment of expression foundation pile of the present invention, at the front end of stake body 1 front end boots 2 are installed.Stake body 1 is the steel pipe with specified diameter and length, at the front end of this body 1 that constitutes by steel pipe by the front end boots 2 that are being welded to connect cast steel system.These front end boots 2, its leading section 3 forms conical shaped, establishes protuberance 5,5 on its outer peripheral face ...Near the base portion of front end boots 2, establish base plate 6.
Fig. 2 a and Fig. 2 b are the concrete examples of representing above-mentioned front end boots 2 separately.Leading section 3 forms conical shaped, is provided with the front edge 7 of rectangularity at the front end of its outer peripheral face 4, is that central helical is disposing protuberance 5a, 5b, 5c, 5d with this front edge 7.Borrow and establish these protuberances 5a, 5b at outer peripheral face ..., front end boots 2 one rotate, and can excavate hard ground with its fragmentation, borrow from the effect of the pushing force of top, are driven underground deeply.
These front end boots 2 generally are cast as has protuberance 5a, 5b ... and the shape of front edge 7, the wheel hub 8 that external diameter has reduced is set in the upper end, allocate at this wheel hub 8 under the state of location, hole of a body 1 and weld.Thereby, can make front end boots 2 in factory's size in accordance with regulations, it is transported to the front end of field Welding in stake body 1.Owing to be that above-mentioned wheel hub 8 fits under the state of a body 1 and welds, do not enter in the body so do not have water, can prevent the getting rusty of inner face of a body 1.
The base plate 6a, the 6b that are located at front end boots 2 become semi-circular, are fixed in the outside 9 of front end boots 2.Certainly, also can be with this base plate 6a, 6b with front end boots 2 integrally castings.At excavation sword 10a, the 10b that the end formation of semicircular base plate 6a, 6b is tilted, can excavate firm ground and propelling downwards downwards; With raised part 5a, 5b ... make the soil of pulverizing rotate and draw out upward.
Fig. 3 a and Fig. 3 b are another concrete examples of front end boots 2, and be roughly the same with the front end boots of earlier figures 2a, Fig. 2 b, but in the periphery of base plate 6 side flow restriction plate 11 is set.Thereby, when getting to prescribed depth, do not reduce supporting force thereby soil is not flowed laterally by base plate 6 supportings.
Fig. 4 a and Fig. 4 b are the embodiment of bottom of expression foundation pile of the present invention, be fixed in a body 1 the lower end front end boots 2 coning, on its outer peripheral face 4, have conical protuberance 5a, 5b, 5c, 5d ...But on these front end boots 2, there is not base plate 6.
Fig. 5 a and Fig. 5 b are embodiment again of expression foundation pile bottom, and the front end boots 2 of this foundation pile form hemisphere, at prominent equally protuberance 5a, the 5b of establishing of its outer peripheral face ...Has the roughly front edge 7 of rectangularity at its front end.Establish front edge 7 at the front end of front end boots 2, establish protuberance 5a, 5b at outer peripheral face ..., therefore, rotate as front end boots 2, can excavate and pulverize firm ground, from above be driven underground deeply under the pushing force effect that comes.
Fig. 6 is the another embodiment of expression foundation pile of the present invention, at the front end of stake body 1 front end boots 2 is installed.Stake body 1 is to have the diameter of regulation and the steel pipe of length, and the front end boots 2 of cast steel system are connected in the front end of the stake body 1 that is made of this steel pipe with the welding method identical with situation shown in Fig. 1 a, Fig. 1 b.But the shape that the lateral surface of 2 one-tenth pyrometric cones of these front end boots is established helical blade is equivalent to aforementioned helical blade shown in Figure 9 (b) and excavates sword (c).
Fig. 7 a and Fig. 7 b are the concrete examples of representing above-mentioned front end boots 2 separately.On the outer peripheral face 13 of the pyrometric cone body 12 that oppositely forms, be provided with two helical blade 14a, 14b in pairs, this helical blade 14a and 14b are from the point upward end bending extension of pyrometric cone body 12.Certainly, pyrometric cone body 12 and two helical blade 14a, 14b also can integratedly cast.That is, casting liquid flows in the mould of stipulating and casts.
The inside of pyrometric cone body 12 becomes very big cavity 15, has in the upper end to reduce the wheel hub 16 that diameter highlights.Here, the outer diameter D of wheel hub 16 is the same big with the internal diameter of above-mentioned stake body 1, and under the state of the interior void of allocating this body 1 into periphery is welded.Thereby, for allocating body 1 and positioning and fixing into, can become the member of given size in the send as an envoy to outer diameter D of wheel hub 16 of produce in factory, transport it the front end of field Welding in stake body 1.Owing to soldered under the state that is matched with a body 1 at above-mentioned wheel hub 16, do not enter in the tubular stake body so do not have water, can prevent going up the inner face generation corrosion of stake body 1.
Fig. 8 a and Fig. 8 b are embodiment again of expression foundation pile of the present invention.At the front end of this foundation pile, same with previous embodiment, welding front end boots 2, and base plate 17 is being installed.This base plate 17 is the big plectanes of diameter ratio stake body 1 external diameter, forms excavation sword 18a, the 18a of a part of cutting away its periphery.Excavating sword 18a, 18b is the periphery and the bending forming of punching press base plate 17, is inclined to the angle of regulation with respect to base plate 17.
Central authorities at this base plate 17 process porose plectane with methods such as fusing, then can process in periphery and excavate sword 18a, 18b, come out with front end boots 2 one produce in factory that coexists, and on-the-spotly together are positioned a body 1 and fixing with front end boots 2 in that it is transported to.That is, allocate the wheel hub 16 of front end boots 2 at the medium pore of base plate 17.To allocate the cavity of a body 1 from base plate 17 outstanding wheel hubs 16 into again, together welding is fixing.Borrow this base plate 17 of installation can use soil pressure, so can strengthen supporting force to the foundation pile of being driven underground.
Foundation pile of the present invention is at the front end of stake body the front end boots to be installed to constitute, and compares its cost of manufacture with existing foundation pile and becomes cheap.That is, can cast the front end boots, transport it to front end that the scene is installed on the stake body of being made by steel pipe in factory.Nature, in factory the front end boots are installed on be transported under the state of front end of a body on-the-spot more convenient, but compare with existing processing method at the helical blade of factory's welded plate metalworking, can reduce and make man-hour, and compare from the situation that factory transports with the member of finishing as foundation pile, also can reduce the freight.
On the other hand, established a plurality of protuberances in that the outer peripheral face of the front end boots of casting is prominent, this protuberance is rotated by foundation pile and can smash handpan, can more effectively carry out the drive operation of foundation pile.In addition, this protuberance, helical blade and front end boots are integrally formed, compare its intensity with the helical blade of sheet metal processing and can improve greatly.Have again, the base plate of produce in factory is fixed in the front end boots, can together cast out, can improve the supporting force of foundation pile by this base plate greatly with the front end boots.
Claims (8)
1. foundation pile, described foundation pile is driven underground while rotating for the basis of supporting building construction, it is characterized in that, the steel pipe by specific length constitute the stake body front end, the front end boots that integrally casting are installed or forge, the leading section of these front end boots is conical shaped or hemispherical, dashes forward at outer peripheral face and is establishing a plurality of protuberances.
2. foundation pile, described foundation pile is driven underground while rotating for the basis of supporting building construction, it is characterized in that, the front end front end boots that integrally casting are installed or forge of the stake body that constitutes at steel pipe by specific length, the leading section of these front end boots is conical shaped or hemispherical, at the integrally formed helical blade of outer peripheral face.
3. by claim 1 or 2 described foundation piles, it is characterized in that, establish front edge at the front end of above-mentioned front end boots.
4. by each foundation pile of recording and narrating in the claim 1～3, it is characterized in that, near the base portion of above-mentioned front end boots or at base portion, be provided with semicircular and at one end form the base plate that excavates sword.
5. by each foundation pile of recording and narrating in the claim 1～3, it is characterized in that, near the base portion of above-mentioned front end boots or at base portion, be provided with ring-type and form excavate the base plate of sword in periphery.
6. the front end boots of a foundation pile, the front end boots of described foundation pile are installed in for the basis of supporting building construction while the front end that rotates the foundation pile of being driven underground, it is characterized in that, these front end boots are integrally casting or the conical shaped that forges or hemispherical roughly, outer peripheral face at leading section is given prominence to a plurality of protuberances, and has the excavation sword at front end.
7. the front end boots of a foundation pile, the front end boots of described foundation pile are installed in for the basis of supporting building construction while the front end that rotates the foundation pile of being driven underground, it is characterized in that, these front end boots are integrally casting or the conical shaped that forges or hemispherical roughly, at the integrally formed helical blade of the outer peripheral face of leading section.
8. the front end boots of the foundation pile of recording and narrating by claim 7 is characterized in that, establish base plate in the outside.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002189031A JP2004027750A (en) | 2002-06-28 | 2002-06-28 | Foundation pile and tip shoe of foundation pile |
| JP189031/2002 | 2002-06-28 | ||
| JP4186/2003 | 2003-01-10 | ||
| JP2003004186A JP2004218215A (en) | 2003-01-10 | 2003-01-10 | Foundation pile and tip shoe of foundation pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1470710A true CN1470710A (en) | 2004-01-28 |
Family
ID=34196491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031484891A Pending CN1470710A (en) | 2002-06-28 | 2003-06-27 | Front pile shoe of foundation pile and foundation pile thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1470710A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183602A (en) * | 2018-08-09 | 2019-01-11 | 山东黄河河务局黄河河口管理局 | A kind of limit depth formula suspension bridge for bursting to speedily carry out rescue work |
| CN109496244A (en) * | 2016-05-25 | 2019-03-19 | Gbm工程有限公司 | Foundation pile mounting device |
| CN110337513A (en) * | 2017-02-23 | 2019-10-15 | 有赈Geo株式会社 | Piling front end boots |
-
2003
- 2003-06-27 CN CNA031484891A patent/CN1470710A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496244A (en) * | 2016-05-25 | 2019-03-19 | Gbm工程有限公司 | Foundation pile mounting device |
| CN109496244B (en) * | 2016-05-25 | 2021-03-09 | Gbm工程有限公司 | Foundation pile installation device |
| CN110337513A (en) * | 2017-02-23 | 2019-10-15 | 有赈Geo株式会社 | Piling front end boots |
| CN110337513B (en) * | 2017-02-23 | 2021-11-09 | 有赈Geo株式会社 | Front end boot for piling |
| CN109183602A (en) * | 2018-08-09 | 2019-01-11 | 山东黄河河务局黄河河口管理局 | A kind of limit depth formula suspension bridge for bursting to speedily carry out rescue work |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |