CN105544527A - Steel pipe pile with dismountable type cutting edge - Google Patents

Steel pipe pile with dismountable type cutting edge Download PDF

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Publication number
CN105544527A
CN105544527A CN201510926173.0A CN201510926173A CN105544527A CN 105544527 A CN105544527 A CN 105544527A CN 201510926173 A CN201510926173 A CN 201510926173A CN 105544527 A CN105544527 A CN 105544527A
Authority
CN
China
Prior art keywords
steel pipe
pipe pile
sword pin
knife
edge
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.)
Pending
Application number
CN201510926173.0A
Other languages
Chinese (zh)
Inventor
蒋本俊
方乃平
陈佛赐
彭慧
郭磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Major Bridge Engineering Group Co Ltd MBEC
7th Engineering Co Ltd of MBEC
Original Assignee
China Railway Major Bridge Engineering Group Co Ltd MBEC
7th Engineering Co Ltd of MBEC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Major Bridge Engineering Group Co Ltd MBEC, 7th Engineering Co Ltd of MBEC filed Critical China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority to CN201510926173.0A priority Critical patent/CN105544527A/en
Publication of CN105544527A publication Critical patent/CN105544527A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/52Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • E02D5/30Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a steel pipe pile with a dismountable type cutting edge, and relates to the field of building construction. The steel pipe pile comprises a steel pipe pile and a cutting edge pile, wherein the steel pipe pile comprises an inserting end; the cutting edge pile comprises a connecting end and a plurality of knife edges, wherein the connecting end is in dismountable connection with the bottom of the steel pipe pile, and the knife edges are positioned under the inserting end. In the using process of the steel pipe pile disclosed by the invention, corresponding cutting edge piles can be changed according to different geological conditions, so that the capacity of the steel pipe pile for overcoming resistance in geosphere is enhanced, the construction speed of the steel pipe pile and the embedded depth of the steel pipe pile are increased, and the construction period is shortened. Compared with the prior art that the cutting edge pile is directly welded or fixed to the steel pipe pile, according to the steel pipe pile disclosed by the invention, the type of the cutting edge can be changed in a real-time manner so as to be adapted for more types of geosphere, the steel pipe pile and the cutting edge pile can be transported separately, and the problems that when the whole steel pipe pile is transported, the size of the steel pipe pile with the cutting edge is larger and the safety is low are solved.

Description

A kind of steel pipe pile with detachable sword pin
Technical field
The present invention relates to the realm of building construction, be specifically related to a kind of steel pipe pile with detachable sword pin.
Background technology
When current steel pipe pile is constructed, mainly through vibro-pile driver, steel pipe pile is squeezed into ground, because different job location geologic structures is not identical, when steel pipe pile advances in the earth formation, if run into the boulder in stratum, concrete block or weaker rock stratum time, be difficult to squeeze in darker stratum; If when to run into earth's surface be domatic, steel pipe pile crown easily slides, and contrast locating is more difficult; Exist if run in stratum decomposed rock domatic time, steel pipe pile is not only difficult to squeeze into deeper layer, and easily run-off the straight.
For solving the problem, usually a lining ring is welded with in steel pipe pile insertion end, increase the thickness of steel pipe pile insertion end, improve the strength and stiffness of insertion end, but, with lining ring steel pipe pile in use, because the thickness of its insertion end increases, when advancing in ground, resistance is comparatively large, reduces the bearing capacity of steel pipe pile, constrain the insertion speed of steel pipe pile, extend the engineering time.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of steel pipe pile with detachable sword pin, squeeze into the speed on ground, can the engineering time be shortened.
For reaching above object, the technical scheme that the present invention takes is: a kind of steel pipe pile with detachable sword pin, comprises
One steel pipe pile, described steel pipe pile comprises insertion end;
One sword pin stake, the stake of described sword pin comprises link and some edges of a knife, and the bottom of described link and steel pipe pile removably connects, and the described edge of a knife is positioned at the below of insertion end.
On the basis of technique scheme, the height of described sword pin stake is 300 ~ 400mm.
On the basis of technique scheme, the distance between the adjacent edge of a knife is 100 ~ 200mm.
On the basis of technique scheme, described edge of a knife indentation, and the top of described serrated edge is a contact point.
On the basis of technique scheme, the end of the described edge of a knife is V-shaped, and the top of the described edge of a knife is a straight contact line.
On the basis of technique scheme, spherically, the top of the described edge of a knife is arc point cantact in described edge of a knife end.
On the basis of technique scheme, described steel pipe pile and the stake of sword pin are bolted.
On the basis of technique scheme, the stake of described sword pin comprises sword pin joint, sword pin body and the edge of a knife, and described link is positioned on sword pin joint, and described sword pin joint, sword pin body and the edge of a knife are one-body molded.
On the basis of technique scheme, described sword pin joint and sword pin body all adopt high-strength steel to make.
On the basis of technique scheme, described cutter head adopts Hardmetal materials to make.
Compared with prior art, the invention has the advantages that:
(1) in the present invention with the steel pipe pile of detachable sword pin, comprise a steel pipe pile and a sword pin stake, steel pipe pile comprises insertion end, the stake of sword pin comprises link and some edges of a knife, the outer wall of link and steel pipe pile removably connects, in use, can install according to different geological conditions and change the stake of corresponding sword pin, to strengthen the ability that steel pipe pile overcomes resistance in stratum, increase speed of application and the sinkage of steel pipe pile, shorten the engineering time, compared with the stake of sword pin directly being welded or is fixed on steel pipe pile with prior art, the present invention can change the type of sword pin in real time, adapt to a greater variety of stratum, and steel pipe pile can separate with the stake of sword pin and transports, larger with the steel pipe pile volume of sword pin when avoiding whole Transporting, and the problem that safety is lower.
(2) in the present invention with the steel pipe pile of detachable sword pin, the outer wall of link and steel pipe pile removably connects, with in prior art at steel pipe pile bottom welding lining ring, steel pipe pile is easily caused to be welded into distortion, and residual stress easily causes the reduction of steel pipe pile rigidity to compare, the present invention can strengthen the rigidity bottom steel pipe pile, avoid steel pipe pile that " wiredrawn edge " in use occurs and be forced to amputation, and then carrying out connecing workload that high operation causes after avoiding steel pipe pile to amputate and increase and the increase of cost.
Accompanying drawing explanation
Fig. 1 is with the structural representation that the stake of detachable sword pin coordinates with steel pipe pile in the embodiment of the present invention.
Fig. 2 is the structural representation of sword pin stake in the embodiment of the present invention;
Fig. 3 is the structural representation of serrated edge sword pin in the embodiment of the present invention;
Fig. 4 is the structural representation of " V " shape edge of a knife sword pin in the embodiment of the present invention;
Fig. 5 is the structural representation of spherical edge of a knife sword pin in the embodiment of the present invention.
In figure: the stake of 1-sword pin, 2-steel pipe pile, 3-insertion end, 4-link, 5-sword pin body, the 6-edge of a knife, 7-contact point, 8-zigzag, 9-straight contact line, 10-" V " shape, 11-arc contact wire, 12-sphere.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of steel pipe pile with detachable sword pin, comprise steel pipe pile 2 and a sword pin stake 1, steel pipe pile 2 comprises insertion end 3, sword pin stake 1 comprises link 4 and some edges of a knife 6, and link 4 removably connects, in the embodiment of the present invention with the outer wall of steel pipe pile 2, steel pipe pile 2 and sword pin stake 1 are bolted, and the edge of a knife 6 is positioned at the below of insertion end 3.The height of sword pin stake 1 is 300 ~ 400mm, and in the present embodiment, the height of sword pin stake 1 is 300mm, and the distance between the adjacent edge of a knife 6 is 100 ~ 200mm.
Steel pipe pile 2 and sword pin stake 1 removably connect, in use, according to different geological conditions, corresponding sword pin stake 1 can be installed, to increase the speed of application of steel pipe pile 2, shorten the engineering time, compared with sword pin stake 1 directly being welded or is fixed on steel pipe pile 2 with prior art, the present invention can change the type of sword pin in real time, and steel pipe pile 2 can separate with sword pin stake 1 and transports, comparatively large with the steel pipe pile volume of sword pin when avoiding whole Transporting, and the problem that safety is lower.
Sword pin stake 1 comprises sword pin joint, sword pin body 5 and the edge of a knife 6, sword pin joint and sword pin body 5 all adopt high-strength steel to make, cutter head adopts Hardmetal materials to make, in the present embodiment, tungsten titanium tantalum class alloy material is selected to make, link 4 is positioned on sword pin joint, and sword pin joint, sword pin body 5 and the edge of a knife 6 are one-body molded.
The shape of the edge of a knife 6 is arranged according to actual needs, in the embodiment of the present invention, provides the following three kinds of edge of a knife 6 shapes:
A, shown in Figure 3, the edge of a knife 6 indentation 8, the top of zigzag 8 is some contact points 7, when steel pipe pile 2 insert run into hard object behind ground time, contact point 7 and the hard object of the edge of a knife 6 are point cantact, and contact surface is less, under less External Force Acting, just can produce larger pressure, hard object is cut off or fragmentation, be applicable to the geology containing softer rock and concrete block.
B, shown in Figure 4, the end V-shaped 10 of the edge of a knife 6, top is straight contact line 9, when stake end runs into hard object, the edge of a knife 6 and hard object are narrow short linear contact lay, the edge of a knife 6 can break the more smooth hard object in the surfaces such as boulder effectively, is having the good AsA-GSH cycle in domatic stratum, is being applicable to harder rock and concrete block.
C, shown in Figure 5, the end of the edge of a knife 6 spherically 12, top is arc contact wire, when stake end runs into hard object, the edge of a knife 6 and hard object are point cantact, effectively can break boulder and other ganoid hard object, simultaneously, the phenomenons such as wiredrawn edge being less likely to occur, there being the good AsA-GSH cycle in domatic stratum, being applicable to hard rock and concrete block.
The present invention is not limited to above-mentioned embodiment, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.

Claims (10)

1. with a steel pipe pile for detachable sword pin, it is characterized in that: comprise
One steel pipe pile (2), described steel pipe pile (2) comprises insertion end (3);
One sword pin stake (1), described sword pin stake (1) comprises link (4) and some edges of a knife (6), described link (4) removably connects with the bottom of steel pipe pile (2), and the described edge of a knife (6) is positioned at the below of insertion end (3).
2. a kind of steel pipe pile with detachable sword pin as claimed in claim 1, is characterized in that: the height of described sword pin stake (1) is 300 ~ 400mm.
3. a kind of steel pipe pile with detachable sword pin as claimed in claim 1, is characterized in that: the distance between the adjacent edge of a knife (6) is 100 ~ 200mm.
4. a kind of steel pipe pile with detachable sword pin as claimed in claim 1, it is characterized in that: the described edge of a knife (6) indentation (8), and the top of described zigzag (8) edge of a knife (6) is a contact point (7).
5. a kind of steel pipe pile with detachable sword pin as claimed in claim 1, it is characterized in that: the end of the described edge of a knife (6) is V-shaped (10), the top of the described edge of a knife (6) is a straight contact line (9).
6. a kind of steel pipe pile with detachable sword pin as claimed in claim 1, is characterized in that: spherically (12), the top of the described edge of a knife (6) is arc point cantact in the described edge of a knife (6) end.
7. a kind of steel pipe pile with detachable sword pin according to any one of claim 1 to 6, is characterized in that: described steel pipe pile (2) and sword pin stake (1) are bolted.
8. a kind of steel pipe pile with detachable sword pin according to any one of claim 1 to 6, it is characterized in that: described sword pin stake (1) comprises sword pin joint, sword pin body (5) and the edge of a knife (6), described link (4) is positioned on sword pin joint, and described sword pin joint, sword pin body (5) and the edge of a knife (6) are one-body molded.
9. a kind of steel pipe pile with detachable sword pin as claimed in claim 8, is characterized in that: described sword pin joint and sword pin body (5) all adopt high-strength steel to make.
10. a kind of steel pipe pile with detachable sword pin as claimed in claim 8, is characterized in that: described cutter head adopts Hardmetal materials to make.
CN201510926173.0A 2015-12-14 2015-12-14 Steel pipe pile with dismountable type cutting edge Pending CN105544527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510926173.0A CN105544527A (en) 2015-12-14 2015-12-14 Steel pipe pile with dismountable type cutting edge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510926173.0A CN105544527A (en) 2015-12-14 2015-12-14 Steel pipe pile with dismountable type cutting edge

Publications (1)

Publication Number Publication Date
CN105544527A true CN105544527A (en) 2016-05-04

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CN201510926173.0A Pending CN105544527A (en) 2015-12-14 2015-12-14 Steel pipe pile with dismountable type cutting edge

Country Status (1)

Country Link
CN (1) CN105544527A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08302687A (en) * 1995-05-11 1996-11-19 Chowa Kogyo Kk Method and device for removal of earth and sand from inside driven pile of steel pipe
CN100999900A (en) * 2006-01-09 2007-07-18 立基工程有限公司 Bottom impacting type steel pipe concrete pole and construction method thereof
CN101691752A (en) * 2009-09-30 2010-04-07 浙江大学宁波理工学院 Construction method for connecting part of PHC tubular piles
CN104508210A (en) * 2012-11-21 2015-04-08 新日铁住金株式会社 Joint structure for steel-pipe pile, and steel-pipe pile
CN204456096U (en) * 2015-03-10 2015-07-08 中国建筑土木建设有限公司路桥分公司 The shoe of rock steel pipe can be entered
CN205348162U (en) * 2015-12-14 2016-06-29 中铁大桥局第七工程有限公司 Steel -pipe pile with dismantlement formula sword foot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08302687A (en) * 1995-05-11 1996-11-19 Chowa Kogyo Kk Method and device for removal of earth and sand from inside driven pile of steel pipe
CN100999900A (en) * 2006-01-09 2007-07-18 立基工程有限公司 Bottom impacting type steel pipe concrete pole and construction method thereof
CN101691752A (en) * 2009-09-30 2010-04-07 浙江大学宁波理工学院 Construction method for connecting part of PHC tubular piles
CN104508210A (en) * 2012-11-21 2015-04-08 新日铁住金株式会社 Joint structure for steel-pipe pile, and steel-pipe pile
CN204456096U (en) * 2015-03-10 2015-07-08 中国建筑土木建设有限公司路桥分公司 The shoe of rock steel pipe can be entered
CN205348162U (en) * 2015-12-14 2016-06-29 中铁大桥局第七工程有限公司 Steel -pipe pile with dismantlement formula sword foot

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Application publication date: 20160504

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