CN106013153A - End protector for construction of steel pipe pile and working method thereof - Google Patents
End protector for construction of steel pipe pile and working method thereof Download PDFInfo
- Publication number
- CN106013153A CN106013153A CN201610533147.6A CN201610533147A CN106013153A CN 106013153 A CN106013153 A CN 106013153A CN 201610533147 A CN201610533147 A CN 201610533147A CN 106013153 A CN106013153 A CN 106013153A
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- China
- Prior art keywords
- pipe pile
- steel
- wall
- protecting device
- steel pipe
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an end protector for construction of a steel pipe pile and a working method thereof. The end protector comprises a limiting protrusion block welded to the outer wall of the end of the steel pipe pile and a protective jacket fastened to the outer side of the end of the steel pipe pile, wherein a limiting groove matched with the limiting protrusion block is formed in the inner wall of the protective jacket; the limiting groove in the inner wall of the protective jacket and the limiting protrusion block are arranged correspondingly in a matched mode and are fastened, and therefore the protective jacket can be fixed to the end of the steel pipe pile; and a pile driving and drawing machine clamps the end protector and exerts excitation force for pressing the steel pipe pile into the preset depth. The end protector has the advantages of being simple in structure and capable of being repeatedly used; through the end protector, direct contact between a clamp of the pile driving and drawing machine and the steel pipe pile can be avoided, damage of a pipe body can be avoided, the end of the steel pipe pile can be protected against deformation, subsequent pile extension can be smooth, the force can be well transmitted to the steel pipe pile, hoisting of the steel pipe pile can be assisted, and construction can be carried out smoothly.
Description
Technical field
The invention belongs to Geotechnical Engineering field, be specifically related to a kind of end-protecting device for steel-pipe pile construction and method of work thereof.
Background technology
Steel-pipe pile, because having good strength and stability, is widely applied in Geotechnical Engineering field.For saving the duration, pile-driving and-pulling machine clamping steel pipe one end is commonly used in the construction of steel-pipe pile, by exciting force, steel pipe inserts soil body desired depth.
But because pile-driving and-pulling machine exciting force is relatively big, the position that the end of clamped steel pipe is the most longer is often deformed and other damages, or makes fixture cannot directly clamp steel pipe because diameter of steel tube is less, also needs steel tube end part certain area is carried out cutting process etc..These have to when causing the follow-up pile extension of steel-pipe pile first cut off upper end deformation or the part body of cutting process, cause waste of material, cut off steel pipe simultaneously and also produce a large amount of artificial, machinery and time cost.
Summary of the invention
In place of it is an object of the invention to according to above-mentioned the deficiencies in the prior art; a kind of end-protecting device for steel-pipe pile construction and method of work thereof are provided; this end-protecting device by arranging a protection set in steel-pipe pile end; and arrange the most spacing projection and groove structure between steel-pipe pile outer wall and guarantor's jacket inner wall, consequently facilitating pile-driving and-pulling machine clamps steel-pipe pile end and constitutes protection.
The object of the invention realizes being completed by techniques below scheme:
A kind of end-protecting device for steel-pipe pile construction; it is characterized in that described end-protecting device includes the spacing block set being welded on the outer wall of described steel-pipe pile end and is anchored on the protection set outside described steel-pipe pile end; wherein, described guarantor's jacket inner wall has the limited impression matched with described spacing block set.
Described protection set is made up of two semicircle anchor ear bolts.
Described limited impression is welded in the upper liner plate on described guarantor's jacket inner wall by interval and lower liner plate encloses and forms, and the vertical spacing between described upper liner plate and described lower liner plate matches with the height of described spacing block set.
Described spacing block set is the sleeve pipe being welded on the outer wall of described steel-pipe pile end.
Described spacing block set is the some curved plates along the welding of described steel-pipe pile end outer wall interval.
Described protection puts port and is welded with on a shrouding, and described shrouding and is welded with a riser.
A kind of method of work relating to arbitrary above-mentioned end-protecting device for steel-pipe pile construction, it is characterised in that described method of work comprises the steps: prefabricated described protection set, and the upper port overlapped in described protection welds shrouding and riser successively；Described steel-pipe pile end outer wall welds described spacing block set；Described protection set is set in described steel-pipe pile end, makes the limited impression on described guarantor's jacket inner wall arrange with described spacing block set Corresponding matching and fasten, so that described protection set is fixed on described steel-pipe pile end；Pile-driving and-pulling machine is utilized to clamp described riser and apply exciting force so that described steel-pipe pile is pressed into desired depth.
The limited impression that described protection puts offers method: described protection set is made up of two semicircle anchor ears, and on the inwall of described semicircle anchor ear, liner plate and lower liner plate are welded in interval, thus enclose the described limited impression of composition.
It is an advantage of the invention that apparatus structure is simple, can quick assembling reusing；Pile-driving and-pulling machine fixture can be avoided to contact with the direct of steel-pipe pile by this end-protecting device, it is to avoid body damages, and protection steel-pipe pile end is indeformable; make follow-up pile extension smooth; simultaneously can power transmission, can also auxiliary lifting steel-pipe pile to steel pipe pile body well, it is ensured that construction is smoothed out.
Accompanying drawing explanation
Fig. 1 is the end-protecting device structural representation being arranged on steel-pipe pile in the present invention；
Fig. 2 is that in the present invention, pile-driving and-pulling machine clamping steel-pipe pile end-protecting device carries out the schematic diagram constructed；
Fig. 3 is the a-a view in Fig. 2 of the present invention；
Fig. 4 is the b-b view in Fig. 2 of the present invention.
Detailed description of the invention
Inventive feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, in order to the understanding of technical staff of the same trade:
Such as Fig. 1-4, in figure, labelling 1-13 is respectively as follows: riser 1, shrouding 2, upper liner plate 3, sleeve pipe 4, bolt hole 5, side wing 6, semicircle anchor ear 7, lower liner plate 8, protection set 9, steel-pipe pile 10, fixture 11, pile-driving and-pulling machine 12, bolt 13.
Embodiment: as Figure 1-4; the present embodiment is specifically related to a kind of end-protecting device for steel-pipe pile construction and method of work thereof, and this end-protecting device includes the spacing block set being fixedly welded on outside steel-pipe pile 10 end and the protection set 9 in steel-pipe pile 10 end that is fixedly clamped.
Spacing block set is weldingly fixed on the outside of steel-pipe pile 10 end; primarily serve the vertical spacing to protection set 9 and intermal force; it can be specifically the Steel Casing 4 employed in the present embodiment; the form of other spacing block set can certainly be used, such as along the curved plate form of the steel-pipe pile 10 circumferentially spaced-apart laying of outer wall.
Protection set 9 is specifically made up of two semicircular anchor ear 7, has the side wing 6 of outwards extension in the both sides of semicircle anchor ear 7, constitutes bolt fastening by plugging bolt 13 in the bolt hole 5 on side wing 6 and tightening between two semicircular anchor ear 7.In addition; the inwall of two semicircular anchor ear 7 is welded with curved upper liner plate 3 and lower liner plate 8; the most at a certain distance thus enclose composition limited impression; this upper and lower spacing distance is identical with the height of sleeve pipe 4; i.e. limited impression is suitable with the size shape of spacing block set (sleeve pipe 4), and mating between spacing block set with limited impression can constitute the spacing of in the vertical direction to protection set 9.It should be noted that the generation type for limited impression is the most unique, it is also possible to directly offer cell body on the inwall of semicircle anchor ear 7 by machining mode.
Upper port at protection set 9 is welded with a horizontal direction shrouding 2, and is vertically welded with riser 1 on the axis of shrouding 2, and riser 1 clamps for the fixture 11 on pile-driving and-pulling machine 12 as held part, thus drives protection set 9 and to steel-pipe pile 10 power transmission.
As Figure 1-4, the method for work in steel-pipe pile work progress is applied to comprise the steps: the present embodiment medial end portions protection device
(1) sheathed sleeve pipe 4 being welded and fixed outside the body upper end of steel-pipe pile 10, thus constitute spacing block set；
(2) fabricated 9:
Upper inside wall at semicircle anchor ear 7 is fitted and is arranged liner plate 3 and weld, and the inner wall lower at semicircle anchor ear 7 is fitted and arranged lower liner plate 8 and weld afterwards, thus forms limited impression in the clearance space between upper liner plate 3 and lower liner plate 8；By corresponding for two semicircular anchor ear 7 splicing, the upper port at each semicircle anchor ear 7 welds the shrouding 2 of semicircular in shape, vertical welding riser 1 on shrouding 2 afterwards the most respectively, makes protection set 9 one prefabricated entirety of composition；
(3) be transported to job site and be set in the end of steel-pipe pile 10 by prefabricated protection set 9, making sleeve pipe 4 be embedded between upper liner plate 3 and lower liner plate 8, i.e. spacing block set mates with limited impression composition；Afterwards by bolt hole 5 one_to_one corresponding on both sides semicircle anchor ear 7 side wing 6, each bolt hole 5 inserts bolt 13 and tightens, so that two semicircular anchor ear 7(i.e. protects set 9) it is anchored on the end of steel-pipe pile 10；
(4) set 9 to be protected is after the end quick assembling of steel-pipe pile 10; start pile-driving and-pulling machine 12; fixture 11 thereon is utilized to clamp riser 1; thus at spacing block set with power transmission under the coupling of limited impression to steel-pipe pile 10; it is lifted to first segment steel-pipe pile 10 design at stake position, afterwards it is applied exciting force to be pressed into the desired depth to the soil body；
(6) after first segment steel-pipe pile 10 completes press-in; bolt 13 of outwarding winding is laid down the protection set 9 of its upper end and installs to the upper end sleeve pipe 4 of second section steel-pipe pile 10; utilize the fixture 11 on pile-driving and-pulling machine 12 to clamp riser 1 the bottom lifting of second section steel-pipe pile 10 to the upper end of first segment steel-pipe pile 10 and both to be welded and fused, afterwards it is applied exciting force to be pressed into the desired depth to the soil body；
(7) the press-in construction of each joint steel-pipe pile 10 and so forth, it is sequentially completed.
End-protecting device in the present embodiment can avoid directly contact of pile-driving and-pulling machine fixture and steel-pipe pile, and protection steel-pipe pile end is indeformable, simultaneously can power transmission well, it is ensured that construct and be smoothed out.
Claims (8)
1. the end-protecting device for steel-pipe pile construction; it is characterized in that described end-protecting device includes the spacing block set being welded on the outer wall of described steel-pipe pile end and is anchored on the protection set outside described steel-pipe pile end; wherein, described guarantor's jacket inner wall has the limited impression matched with described spacing block set.
A kind of end-protecting device for steel-pipe pile construction the most according to claim 1, it is characterised in that described protection set is made up of two semicircle anchor ear bolts.
A kind of end-protecting device for steel-pipe pile construction the most according to claim 1; it is characterized in that described limited impression is welded in the upper liner plate on described guarantor's jacket inner wall by interval and lower liner plate encloses and forms, the vertical spacing between described upper liner plate and described lower liner plate matches with the height of described spacing block set.
A kind of end-protecting device for steel-pipe pile construction the most according to claim 1, it is characterised in that described spacing block set is the sleeve pipe being welded on the outer wall of described steel-pipe pile end.
A kind of end-protecting device for steel-pipe pile construction the most according to claim 1, it is characterised in that described spacing block set is the some curved plates along the welding of described steel-pipe pile end outer wall interval.
A kind of end-protecting device for steel-pipe pile construction the most according to claim 1, it is characterised in that described protection puts port and is welded with on a shrouding, and described shrouding and is welded with a riser.
7. the method for work relating to the arbitrary described end-protecting device for steel-pipe pile construction of claim 1-6; it is characterized in that described method of work comprises the steps: prefabricated described protection set, and the upper port overlapped in described protection welds shrouding and riser successively；Described steel-pipe pile end outer wall welds described spacing block set；Described protection set is set in described steel-pipe pile end, makes the limited impression on described guarantor's jacket inner wall arrange with described spacing block set Corresponding matching and fasten, so that described protection set is fixed on described steel-pipe pile end；Pile-driving and-pulling machine is utilized to clamp described riser and apply exciting force so that described steel-pipe pile is pressed into desired depth.
The method of work of a kind of end-protecting device for steel-pipe pile construction the most according to claim 7; it is characterized in that the limited impression that described protection puts is offered method and is: described protection set is made up of two semicircle anchor ears; on the inwall of described semicircle anchor ear, liner plate and lower liner plate are welded in interval, thus enclose the described limited impression of composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533147.6A CN106013153A (en) | 2016-07-08 | 2016-07-08 | End protector for construction of steel pipe pile and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533147.6A CN106013153A (en) | 2016-07-08 | 2016-07-08 | End protector for construction of steel pipe pile and working method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106013153A true CN106013153A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610533147.6A Pending CN106013153A (en) | 2016-07-08 | 2016-07-08 | End protector for construction of steel pipe pile and working method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702898A (en) * | 2017-02-27 | 2017-05-24 | 郑州大学 | Anchor head of parallel-steel wire inhaul cable and manufacturing method of anchor head |
| WO2018090539A1 (en) * | 2016-11-15 | 2018-05-24 | 广东中科华大工程技术检测有限公司 | Pile-top protection apparatus for inspection of foundation pile |
| CN108331004A (en) * | 2018-01-14 | 2018-07-27 | 浙江大学 | A kind of device of reduction relative settlement suitable for multi-column pier foundation |
| CN109930498A (en) * | 2019-04-09 | 2019-06-25 | 南京林业大学 | A kind of method of disposal for going deep into bed stabilization bridge vertical member |
| CN113774898A (en) * | 2021-09-24 | 2021-12-10 | 广东一新长城建筑集团有限公司 | Static pressure prestressed pipe pile and construction process thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018090539A1 (en) * | 2016-11-15 | 2018-05-24 | 广东中科华大工程技术检测有限公司 | Pile-top protection apparatus for inspection of foundation pile |
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| CN106702898B (en) * | 2017-02-27 | 2018-09-04 | 郑州大学 | A kind of parallel wire stay anchor head and preparation method thereof |
| CN108331004A (en) * | 2018-01-14 | 2018-07-27 | 浙江大学 | A kind of device of reduction relative settlement suitable for multi-column pier foundation |
| CN108331004B (en) * | 2018-01-14 | 2023-06-16 | 浙江大学 | Device suitable for reducing differential settlement of pile group foundation |
| CN109930498A (en) * | 2019-04-09 | 2019-06-25 | 南京林业大学 | A kind of method of disposal for going deep into bed stabilization bridge vertical member |
| CN113774898A (en) * | 2021-09-24 | 2021-12-10 | 广东一新长城建筑集团有限公司 | Static pressure prestressed pipe pile and construction process thereof |
| CN113774898B (en) * | 2021-09-24 | 2022-06-28 | 广东一新长城建筑集团有限公司 | Static pressure prestressed pipe pile and construction process thereof |
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Application publication date: 20161012 |
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